Technical Knowledge
YZ30-4E medium-sized telescopic arm laser leveling machine
January 16, 2023

Instructions for operation and debugging of YZ30-4 medium-sized telescopic arm laser
leveling machine: 1. When starting the continuous punching press, the screw must rotate
clockwise to adjust the speed of the feeder, and the slider moves slightly slowly so that
you can see whether the slider touches the nylon washer and the length adjustment screw
during reciprocating motion.

2. Before connecting the power supply for testing, check whether the feeding direction is correct.

3. If the speed of the punch is constant and the feed distance needs to be shortened
from long to short, first the lead screw should be guided to reduce the drop distance
of the floating rod, and then the screw should be rotated clockwise to adjust the speed
so that the feed can Match P. UNCH speed.

4. Adjust the distance between the material rack and the concrete laser leveling machine
and the feeder, and adjust the distance appropriately according to the speed of the punch
and the length of the feeder. After leveling, the material should be able to enter the feeder
and mold smoothly.

With incredible pulling power and a computerized automatic leveling control system, the
YZ30-4E laser is a riding four-wheel drive device that can scrape flat in any direction and
is easy to handle. Versatile as a laser scraper or laser controlled rake, the YZ30-4E
provides simple, fast and accurate results whether you are scraping concrete or
preparing roadbed.

This is a telescopic arm type concrete laser leveling. Arms are up to 6 meters long to
increasethe paving area, The body can rotate 360 degrees, with two-wheel steering,
four-wheelsteering, and crab walking. Solid tire has a long anti-puncture life. Equipped
with a hydrauliccleaning water pump to clean the working head at any time.

Vanse offers a wide portfolio of products that cover concrete slab placements in all
types construction projects. In addition, to equipment and software products, Vanse
also sells parts, accessories and provides service and training to customers to keep
their machines up and running and operating optimally.
Thanks to All the Friends Who Support and Trust Shandong Vanse Machinery Technology Co., Ltd.
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Shandong Vanse Machinery Technology Co., Ltd.
About the Author: Shandong Vanse Machinery Technology Co., Ltd.
Shandong Vanse Machinery Technology Co., Ltd. is a high-tech manufacturer specializing in concrete construction machinery, including laser screeds and related equipment. The company integrates R&D, production, and global sales, with products exported to over 60 countries and widely used in infrastructure projects worldwide.
Shandong Vanse Machinery
Leading manufacturer specializing in high-performance concrete laser screeds, telescopic arm flatwork handlers, and mechanical ride-on power trowels.
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January 7, 2025
One-step forming construction method of high-precision wear-resistant floor without cutting based on concrete laser leveling technology
– Using laser leveling technology, the laser transmitter generates a precise and stable plane reference. The laser receiver is installed on the leveling machine to sense the deviation in real time, so that the leveling machine automatically adjusts the scraper height to ensure that the floor flatness error is extremely small, which can generally be controlled within ±1.5mm, and can meet the needs of high-end industrial plants, electronic chip manufacturing workshops and other places with strict requirements on flatness. – Optimize the concrete mix ratio, add appropriate amounts of expansion agents, fibers and other admixtures, reduce the shrinkage stress during the hardening process of concrete, and cooperate with the carefully designed construction process, so that the floor does not need to set expansion joints in a large area, which is not only beautiful but also reduces the later maintenance cost, and avoids the accumulation of dust and debris caused by cutting seams. – In the initial setting stage of concrete, wear-resistant materials such as corundum and metal aggregates are evenly spread, and a special trowel is used to closely combine with the floor to form a hard and wear-resistant surface layer. The wear resistance can be several times higher than that of ordinary concrete floors. It is suitable for places with frequent wear and tear such as heavy traffic areas, warehouses, and logistics centers. – From base treatment, concrete pouring, leveling to wear-resistant material spreading, troweling and finishing, the processes are closely connected and completed in one go, avoiding the problem of poor interlayer bonding caused by layered construction, improving the overall strength and durability of the floor, and reducing the construction period. It can usually shorten the construction period by 1/3 – 1/2 compared with traditional processes. Applicable to indoor and outdoor concrete floor projects with large areas and high requirements for flatness and wear resistance, such as various large industrial plants, logistics storage centers, airport terminals, exhibition halls, parking lots, etc., especially suitable for places where obvious expansion joints are not expected to affect the appearance or use function. – The laser transmitter emits a rotating laser beam to form a high-precision horizontal control surface. The laser receiver installed on the leveling machine continuously captures the laser signal, compares the actual elevation of the floor with the laser plane benchmark, and transmits the generated deviation signal to the control system. The control system drives the hydraulic actuator of the leveling machine to adjust the scraper, vibrator and other components in real time to accurately level and vibrate the concrete to achieve high-precision leveling. – On the one hand, by optimizing the concrete mix ratio, selecting low-hydration hot cement, adding an appropriate amount of expansion agent (such as calcium sulfoaluminate expansion agent) to compensate for concrete shrinkage, adding polypropylene fiber to enhance concrete toughness and inhibit the generation of microcracks; on the other hand, during the construction process, strictly control the concrete pouring temperature, vibration method and curing conditions, reasonably arrange the construction sequence, reduce the temperature difference between the inside and outside of the concrete and stress concentration, so that the floor itself has the ability to resist shrinkage and deformation, thereby meeting the requirements of no seam cutting. – The surface of concrete in the initial setting stage has a certain viscosity. At this time, the spread wear-resistant material can be embedded in the surface of the concrete. With the subsequent leveling and finishing operations, the wear-resistant material and the concrete form a solid whole. Wear-resistant materials such as corundum and metal aggregates have high hardness and strong wear resistance, forming a wear-resistant protective layer on the surface to protect the main concrete of the floor from wear. – Technical preparation: Familiar with the construction drawings and technical specifications, formulate detailed construction plans, and conduct technical briefings. – Site preparation: Clean up the site debris and accumulated water, level the base layer, and if the base layer is soft soil, it needs to be reinforced; set up a temporary drainage system for construction; plan the concrete pouring and leveling route according to the site area and shape. – Material preparation: Purchase high-quality cement, sand, gravel, admixtures, wear-resistant materials, etc. according to the design requirements, inspect the raw materials to ensure that they meet the quality standards; prepare sufficient construction water and electricity. – Equipment preparation: Debug concrete laser leveling machine, concrete mixing equipment, transportation equipment, wear-resistant material spreader, trowel, etc. to ensure the normal operation of the equipment; calibrate the laser system so that the laser plane it emits is consistent with the designed elevation of the floor. – Thoroughly clean the surface of the base to remove pollutants such as dust and oil; compact the base with a roller or tamping machine to achieve a compaction degree of more than 90%; repair and fill local low-lying areas and potholes with concrete or mortar to ensure that the flatness error of the base does not exceed ±10mm. – Accurately weigh the raw materials according to the designed mix ratio, use a forced mixer to mix the concrete, and the mixing time is not less than 90 seconds to ensure the uniformity of the concrete; transport the concrete to the construction area by pumping or unloading, control the pouring speed, avoid concrete segregation, and the pouring thickness is slightly higher than the designed floor elevation by 10-20mm to reserve space for leveling. – Start the laser leveling machine and make it move forward at a uniform speed of 1-2m/min; the operator adjusts the scraper height and vibration frequency of the leveling machine in real time according to the feedback signal of the laser receiver to ensure that the concrete surface is flat and compacted; the leveling work of adjacent areas should be completed before the initial setting of the concrete, and the overlapping construction width should not be less than 10cm to ensure the integrity of the floor. – When the concrete is initially set (generally there are slight footprints when stepping on it, and the sinking depth is about 3-5mm), use a special spreader to evenly spread the wear-resistant materials on the floor surface according to the specified amount, and the spreading thickness is generally 3-5mm; during the spreading process, pay attention to controlling the spreading speed and direction to avoid accumulation or leakage of wear-resistant materials, and ensure that the spreading uniformity reaches more than 90%. – After spreading the wear-resistant material, use a trowel to smooth it immediately. The trowel should run in a crisscross pattern to fully blend the wear-resistant material with the concrete. The number of smoothing passes should be no less than 3 times. As the concrete continues to harden, when there is no water stain on the surface and it feels slightly hard when pressed with fingers, it should be smoothed manually. Aluminum alloy rulers, trowels and other tools should be used to make the floor surface bright and smooth. – After smoothing and finishing, the floor should be maintained in time by covering with plastic film, spraying curing agent or laying water straw mats. The maintenance time should be no less than 7 days. During this period, the concrete surface should be kept moist to avoid water loss and cracks. Warning signs should be set up during the maintenance period to prohibit vehicles and pedestrians from passing on floors that do not meet the strength requirements. – Calibrate the laser system before construction to ensure the accuracy of the laser plane; regularly check the flatness with a 2m ruler and a feeler gauge during construction, at least once every 100-200 square meters, and adjust the leveler in time if deviation is found; use a laser flatness meter to fully test the flatness of the floor after finishing to ensure that it meets the design requirements. – Strictly select wear-resistant materials according to design requirements and check the quality certification documents of wear-resistant materials; supervise the spreading amount and uniformity during spreading to ensure that the specified requirements are met; after maintenance, on-site wear resistance tests can be carried out, such as grinding a certain area with a grinding wheel, observing the wear condition, and judging whether the wear resistance meets the standard. – Optimize the concrete mix ratio, control the cement dosage and water-cement ratio; monitor the concrete pouring temperature to avoid high-temperature pouring; strengthen maintenance and control the temperature difference between the inside and outside of the concrete; regularly inspect the floor, and if fine cracks are found, use epoxy resin and other materials to repair them in time. 1. Provide safety training to construction personnel to familiarize them with the operation methods and safety precautions of construction equipment, such as the safety operating procedures of laser levelers, concrete mixers and other equipment. 2. Set up obvious safety warning signs at the construction site to divide the construction area and non-construction area to prevent unrelated personnel from entering the construction danger zone. 3. Regularly check the safety performance of construction equipment, such as electrical insulation, mechanical protection devices, etc., to ensure the normal operation of the equipment and avoid safety accidents caused by equipment failure. 4. Provide construction personnel with necessary personal protective equipment, such as safety helmets, safety shoes, gloves, etc., to ensure the personal safety of construction personnel. 1. Classify and collect solid waste such as concrete residues and discarded wear-resistant material packaging bags generated during the construction process, and transport them to designated garbage disposal sites regularly. 2. Reasonably arrange construction time to avoid high-noise concrete mixing, equipment operation and other operations during residents' rest time. If necessary, take noise reduction measures, such as installing silencers on equipment. 3. Control dust on the construction site, such as covering the material storage area, closing the transport vehicles, regularly sprinkling water to reduce dust, and keeping the construction site clean. – The one-time molding process shortens the construction period, reduces labor costs, equipment rental costs, etc.; no cutting reduces the later maintenance costs, such as cutting, caulking material costs and labor maintenance costs; wear-resistant flooring increases the service life of the flooring, reduces the frequency of flooring replacement, and the overall economic benefits are significant. – It provides high-quality flooring solutions for various large-scale projects, meeting the needs of rapid development of modern industry, logistics and other industries; it reduces noise, dust and other pollution during construction, which is conducive to environmental protection and sustainable development of urban construction. In a large electronic chip manufacturing plant construction project, this construction method was used to successfully create a high-precision, no-cutting, wear-resistant factory floor. The construction area reached 50,000 square meters, and the flatness error was controlled within ±1mm, meeting the stringent requirements of chip manufacturing equipment for floor flatness. In the subsequent years of use, the floor had good wear resistance and no obvious cracks appeared, providing a solid guarantee for the efficient production of the factory. For example, in a certain international logistics and warehousing center project, this construction method also performed well, and a large area of floor was built quickly and efficiently. The seam-free design improved the aesthetics and practicality of the warehouse and was highly recognized by the owner.Read More
March 13, 2025
What are the precautions for daily maintenance and care of concrete laser leveling machines?
– Cleaning and inspection: Regularly clean the dust in the electrical control cabinet to prevent dust accumulation from affecting heat dissipation and causing circuit failures. Check whether the connections of each electrical component are loose, whether the wires are damaged or aged, and replace or repair them in time if there are any problems. – Battery maintenance: For laser leveling machines equipped with batteries, charge and maintain them according to the battery manual. Check the electrolyte level of the battery regularly, and add distilled water in time if it is insufficient. When not in use for a long time, the battery should be charged and discharged at regular intervals to prevent the battery plates from vulcanizing. – Sensor inspection: Laser receivers, inclination sensors, etc. are key components of laser leveling machines, and their sensitivity and accuracy should be checked regularly. Avoid collision and damage to the sensor. If there are stains, clean them in time to ensure that they can receive and transmit signals normally. – Lubrication and maintenance: Lubricate each lubrication point regularly according to the requirements of the equipment's manual. Generally speaking, chains, gears, drive shafts and other parts need to be lubricated at least once a week, using appropriate lubricants to ensure lubrication effect. – Tighten connections: Check whether the connecting bolts of each component are loose, especially the connection parts of key components such as scrapers, leveling beams, and travel wheels. During the operation of the equipment, vibration may cause the bolts to loosen. Regular tightening can prevent the parts from falling off and ensure the stability and safety of the equipment. – Wear inspection: Pay attention to the wear of parts such as scrapers and leveling beams that are in direct contact with concrete. Severe wear of the scraper will affect the leveling effect, and deformation or wear of the leveling beam will cause flatness deviation. Repair or replace in time according to the degree of wear. – Oil inspection: Regularly check the oil level and oil quality of the hydraulic oil. The oil level should be kept within the specified range. If it is insufficient, add hydraulic oil of the same model in time. Observe whether the oil is turbid, has impurities or discoloration. If there is any abnormality, the hydraulic oil should be replaced in time to prevent the hydraulic system from malfunctioning. – Filter replacement: The filter element in the hydraulic system plays an important role in filtering impurities. The filter element should be replaced according to the specified time or working hours. Generally, it should be replaced every 500-1000 working hours, or in advance according to the oil quality, to ensure the cleanliness of the hydraulic oil. – Pipeline inspection: Check whether the hydraulic pipeline has leakage or damage. If there is a leak, the leak point should be found in time, and the seal should be replaced or the pipeline should be repaired. Pipeline damage will cause hydraulic oil leakage, affecting system pressure and normal operation, and may also cause environmental pollution. – Transmitter maintenance: The laser transmitter is the core component of the laser leveling machine. It should be kept clean to prevent dust, water vapor, etc. from entering the transmitter. Regularly check the laser beam intensity and accuracy of the transmitter, and calibrate it in time if there is any deviation. – Receiver cleaning: The surface of the laser receiver should be kept clean to ensure that the laser signal can be received clearly. Avoid interference from direct sunlight, strong magnetic fields, etc. to the receiver, and the installation position should be firm to prevent vibration and displacement. – Signal transmission check: Check whether the signal transmission between the laser transmitter and the receiver is normal, and whether there is any signal interruption or instability. If there is a problem, check whether the signal transmission line and interface are loose, or whether there are any obstructions, etc. – Surface cleaning: After each use, the concrete residue, dust and oil stains on the surface of the equipment should be cleaned in time. You can use a high-pressure water gun or a special cleaning agent for cleaning, but be careful to avoid water entering the electrical system and hydraulic system. – Internal cleaning: Open the protective cover of the equipment regularly to clean the internal debris and dust. Especially in the engine compartment, electrical control cabinet and other parts, ensure good ventilation and no accumulation of debris to prevent malfunctions due to poor heat dissipation.Read More
June 12, 2023
The cleaning four steps of laser leveling machine
With the addition of concrete laser leveling machines in the construction industry and road construction industries, there has been a qualitative leap in both quality and speed, and it has also saved a lot of costs for users. However, in the face of high-frequency use, users cannot ignore the cleaning of the equipment. This step must not be sloppy. Let's take a look at how to clean the leveling in a few steps! 1 The liquid crystal surface on the laser leveling machine body also needs to be cleaned. You can use organic resin or lens cleaning cloth to wipe off the dirt. If there is too much dirt, it can be removed with a lens cleaning solution. 2 After the laser leveling machine is constructed, there will be a lot of dust and mud. First of all, the dust on the laser leveling machine should be wiped clean, and the dirt and oil stains should be wiped clean with tissue paper or cotton cloth. 3 If the laser signal is lost during the construction of the laser leveling machine, the machine needs to be restarted, and the interval should be more than ten seconds. 4 If there are too many stains, you can use a soft cloth to soak in water diluted with a neutral detergent, wring it out and clean it. The best laser leveling machine manufacturers remind you not to use volatile oil, thinner, gasoline, etc. Chemical cleaning wipe. The laser leveling machine uses a scraper to take away the raised concrete and initially level it to reach the elevation required by the design. The hydraulically driven vibrating motor vibrates at a frequency of 4000 times per minute, driving the entire vibrating plate to vibrate the concrete together. The leveling of the laser paver does not need to pull the control line, nor does it need the side formwork to control the ground elevation, but is controlled by the laser measurement and control system on the laser leveling machine in real time. As long as the laser transmitter is not disturbed, no matter where the laser leveling machine moves Wherever it is, it can be ensured that the overall elevation of the paved ground will not be affected. The concrete ground laser leveling machine is to spread the mixed concrete along the subgrade according to the given thickness, width and road type requirements, and then complete the construction of paving the concrete road surface through the operation procedures of vibrating, leveling and troweling. mechanical. The working device of the concrete floor laser leveling machine generally consists of a distributor, a scraper, a vibrator (including a vibrator and a vibrator), a leveling machine, a trowel and other devices. At the same time, it also requires the organic cooperation of the frame, walking mechanism, manipulation control system and other auxiliary mechanisms. Some models integrate all the devices into one, and some are divided into two or more independent stand-alone machines.Read More


