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  1. Machine diagramModelEV850-2T walk beind laser screed
As shown in Fig. 3.1, the machine structure diagram shows that the machine can be divided into three parts:

As shown in Fig. 3.1, the machine structure diagram shows that the machine can be divided into three parts:

As shown in Fig. 3.1, the machine structure diagram shows that the machine can be divided into three parts

  • (1)、Laser systems: laser transmitters, digital receivers, and three tripods;
  • (2)、Vibrating leveling device: vibrating motor, vibrating plate, connecting frame, scraper, vertical pole, etc.;
  • (3)、Airframe power: control panel, generator set, electrical control system (distribution box…) Chassis, frame, drive axle, panel etc.
 Figure 3.2 Power distribution box Figure 3.3 Generator set

Figure 3.2 Power distribution box Figure 3.3 Generator set

Figure 3.4 Laser transmitters Figure3.5 Handheld laser receiver

Figure 3.4 Laser transmitters Figure3.5 Handheld laser receiver

Figure 3.6 Laser receiver

Figure 3.6 Laser receiver

  1. Machine configuration tableModelEV850-2T
No.TypeParameterUnit
1EngineHONDA 
2Driving systemTwo wheel independent servo drive 
3TireStab free narrow tire / inflatable tire 
4Measurement and control systemLaser system 
5Horizontal adjustmentScreed head 
6Power220V
7Outline sizeLength3210mm
Width2730mm
Height1160mm
8Weight325Kg
  • * Note: Table 2.1 above configuration is for reference only. HIKING reserve the right to change without prior notice.
  1. The working principle of a machine
  • Concrete laser leveling machine working principle: the laser transmitter generates rotating laser, laser receiver built-in leveling machine on the received signal, analyzed by laser measurement and control system, the deviation will feedback to the leveling machine on the sensitive computer control system, electric putter will adjust about the height of the scraper, ensure leveling precision.
Figure 3.6 and Figure 3.7 The technical features of the machine

Figure 3.6 and Figure 3.7 The technical features of the machine

The technical features of the machine

Laser leveling technology mainly through laser launchers and leveling machine to complete the entire concrete leveling, vibration leveling work. First set the laser emitter fixed, emitted from the emitter laser beam to form a rotating laser control plane, using a hand-held rod will receive the elevation of guide to the concrete work head of laser leveling machine, leveling machine automatic control system on the laser signal according to the laser receiver head to the induction level (10 times per second frequency) automatic real-time adjustment of the laser transmitter in elevation, because after set up fixed, can guarantee the construction of a large area of the ground without cumulative error. Specific technical features are as follows:

  • 1 Hand walking、Dual control mode

With automatic control mode and manual control mode, flexible control, can be one-person operation.

  • 2 Two wheel independent drive
  • Two servo motors respectively drive two wheels, the wheel can move independently, and the whole flat head does not influence each other, and it adopts manual control of the wheel’s forward, backward, steering and moving speed, and it is very convenient to move;
  • 3 The laser transmitter is arranged independently
  • Large area of concrete can be paved and the uniformity of the ground elevation can be ensured, The elevation is not controlled by the template, and the accumulated error cannot be generated, large areas of block construction, reduced construction joints, so that the cost of later maintenance of the ground is also greatly reduced;
  • 4 Integral working head
  • The working head is composed of a scraper, a vibrator, a vibrating plate and other components, the leveling, vibrating, and multi-channel operation process are integrated together, which is completed by the machine at one time, thereby improving work efficiency and saving labor;
  • 5 High frequency vibrator 3500 times per minute
  • The uniform vibration of the vibrating plate of the work head makes the concrete surface compact and avoids the ground cracking caused by the stress
  • 6 Work head and machine body do not affect each other

The horizontal plane of the construction can be maintained in the case of a double change of the foundation height and the inclination of the ground

Figure 3.8 Schematic diagram of tilting of fuselage

Figure 3.8 Schematic diagram of tilting of fuselage

  1. The scope of application, performance and technical features of the machine

3.4.1 Product scope

  • All kinds of concrete floor (including workshop, workshop, ground, square, underground garage, airport, etc.);
  • Construction conditions: 1) ordinary concrete;

2)Basic concrete level error value ≤50mm。

3.4.2 Product performance

  • Construction area per hour: 200㎡/h-300㎡/h;
  • Concrete scraping, paving, vibrating are completed simultaneously to reduce manual auxiliary work;
  • Simple and flexible operation, suitable for all kinds of working conditions;
  • High construction accuracy, fully meet the construction requirements.

3.4.3 Product structure and technical characteristics

  • (1)The chassis is designed for independent driving with two wheels. The structure is simple, light and powerful;
  • (2)The automatic control system which combines computer control technology, laser measurement and control technology and electronic measurement sensor technology ensures the smoothness error and the elevation error of the concrete floor to achieve the best effect;
  • (3)Concrete scraping, paving, vibrating are completed simultaneously, very efficient;
  • (4)The two wheel drive system is used to drive two wheels to walk independently, and the independent movement of the wheel and the whole flat head do not affect each other. Manual control of the wheel’s forward, backward, steering and walking speed;
  • (5). In the case of high and low ground foundation, to maintain the horizontal surface of the construction;
  • (6)With automatic construction mode and manual operation mode.

 

  1. The main parts of the product

3.5.1 Alternator

 

No.TypeParameterUnit
1ModelHONDA SH3900EX 
2Displacement196cc
3Rotating directionClockwise rotation 
4Engine oil system capacity0.5L
5Fuel92# Gasoline 
6Fuel capacity17L
7Start methodManual/ Electric 
8Outline sizeLength623mm
9Width438mm
10Height491mm
11Weight46Kg

 

3.5.2 Laser transmitting and receiving element

 

No.TypeParameterUnit
1Working diameter300m
2Auto adjustReset±5°
3Auto adjust time15S
4Laser wavelength635nm
5Operating ambient temperature-10~60
6Storage ambient temperature0~30
7Applicable conditionFloor project 
8Weight2.5Kg

Laser emitter button function

  • Short press the power button, power indicator light, the laser transmitter starts;
  • After laser start, the power indicator flashing, indicating insufficient power, please replace the battery in time;
  • Automatic leveling instrument, 635DM wavelength laser visible;
  • -20 degrees – 50 degrees, normal work, protection level 1P66.
Figure 3-9

Figure 3-9

No.TypeParameterUnit
1Detection angle360°
2PowerAA 2-D batteries 
3Operating ambient temperatureNormal atmospheric temperature
4Storage ambient temperatureNormal atmospheric temperature
5Weight2.5Kg
  • Considerations for use of laser emitters
  • A dangerous part that prevents the human body from approaching the shell;
  • Prevent solid foreign matter from entering the shell;
  • Prevent water from flowing into the shell.
Figure 3-10

Figure 3-10

 

Figure 3-11

Figure 3-11

No.ItemFunction 
1Key switchStarting and closing of generator 
2TimerRecord machine running time 
3Indicator lightThe light indicates the normal operation of the generator 
4Indicator lightThe light indicates the normal operation of the equipment 
5Indicator lightThe light indicates the device is out of order 
6Indicator lightThe light indicates the device is abnormal 
7Left elevation buttonManual lifting device for small electric push rod on the left 
8Telescopic button for middle cylinderManual lifting device for big electric push rod 
9Right elevation buttonManual lifting device for small electric push rod on the right 
10Auto/ manual mode switchAuto/ manual mode switch 

 

No.ItemFunction 
11Vibrating buttonStart / turn off the vibration motor 
12Body power switch buttonStart / turn off the body power 
13Laser power switch buttonStart / turn off the laser power supply 
14Headlight switch buttonHeadlamp start / close 
15Horn buttonHorn button 
16Emergency stop switchConnect / cut off the power supply of the machine 
17LevelUsed for visual observation of body level conditions 
18Vibration speed control buttonAdjust vibration frequency 
19Walking speed control buttonAdjust walking speed 
20Forward / backward buttonSwitch forward, stop, backward 
21Left steering buttonLeft steering 
22Right steering buttonRight steering 
  • Attention items of panel parts
  • The chronograph cannot be replaced by yourself, and the user’s replacement will affect the after-sale service of the product, in case of trouble, shall communicate with HIKING in time;
  • When the machine indicator lights are out of order. Stop the operation immediately and turn off the machine;
  • The level instrument is only used to observe the horizontal state of the body directly. It cannot be used as the basis for judging whether the working device is horizontal or not.

If you want to buy the walk behind laser screed, please check “walk behind laser screed machine

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