CN206640957U - A kind of laser flatting machine being precisely controlled - Google Patents

Abstract

The utility model discloses a precisely controlled laser grader, which comprises a blade assembly and a laser receiver assembly installed on the blade assembly; first sensors for detecting inclination are installed at both ends of the blade assembly , the second sensor, the first sensor and the second sensor are connected to the signal processing device, the signal processing device is connected to the hydraulic equipment assembly, and the hydraulic equipment assembly controls and drives the first oil cylinder and the second oil cylinder; the first oil cylinder and the second oil cylinder are set Between the shovel assembly and two groups of traveling mechanisms, the two groups of traveling mechanisms are connected to the shovel assembly through the first adjustment mechanism and the second adjustment mechanism, and the first oil cylinder and the second oil cylinder respectively pass through two groups of walking mechanisms. The mechanism drives the first adjustment mechanism and the second adjustment mechanism to control the horizontal adjustment of the blade assembly. The utility model relies on the expansion and contraction of the piston rod of the oil cylinder to drive the movement of the shovel assembly, so as to realize the precise adjustment of the level of the shovel assembly and improve the operation accuracy.

Description

A laser grader with precise control

technical field

The utility model relates to the field of agricultural machinery, in particular to a precisely controlled laser grader.

Background technique

The use of laser technology for leveling operations is widely used in China. For the laser levelers for dry field operations, most of them can only be adjusted vertically to the ground surface, lacking a level adjustment system, resulting in the machine tools not being able to adjust in real time according to the terrain during leveling operations. Adjust posture. Even if there is a machine tool with a level adjustment system, it is only roughly controlled manually, and precise operation cannot be guaranteed.

Some technical solutions are disclosed in the prior art to improve the above-mentioned technical problems. The structure adopted includes a frame, a wheel shaft, and ground wheels at both ends of the wheel shaft. The frame is hinged to the deflector through the power cylinder. The ground wheel is hinged, and the height of the first ground wheel can be adjusted through the telescopic control of the piston rod of the power cylinder to ensure that it is always kept in a horizontal state when the frame is tilted. This kind of level adjustment depends on the change of the position of the first ground wheel. After the level adjustment, the first ground wheel and the second ground wheel are not on the same axis. The cylinder is stressed.

Contents of the invention

Purpose of the invention: The purpose of this utility model is to address the deficiencies of the prior art and provide a laser grader with precise control, which can realize precise adjustment of the level of the grader and improve the operation accuracy.

Technical solution: The precisely controlled laser grader described in the utility model includes a blade assembly and a laser receiver assembly installed on the blade assembly; The first sensor, the second sensor, the first sensor, the second sensor are connected to the signal processing device, the signal processing device is connected to the hydraulic equipment assembly, and the hydraulic equipment assembly controls and drives the first oil cylinder and the second oil cylinder; the first oil cylinder, the second oil cylinder The second oil cylinder is arranged between the blade assembly and the two groups of running gears, the two groups of running gears are connected with the blade assembly through the first adjustment mechanism and the second adjustment mechanism, and the first oil cylinder and the second oil cylinder respectively pass through The two groups of walking mechanisms drive the first adjustment mechanism and the second adjustment mechanism to control the horizontal adjustment of the blade assembly.

To further improve the above technical solution, the running mechanism includes a wheel shaft and ground wheels arranged at both ends of the wheel shaft.

Further, the first adjusting mechanism and the second adjusting mechanism are two connecting rods, one end of which is fixed on the axle, and the other end is hingedly connected with the blade assembly.

Further, the cylinder barrel ends of the first oil cylinder and the second oil cylinder are hingedly connected to the axle of the traveling mechanism, and the piston rod ends of the first oil cylinder and the second oil cylinder are hingedly connected to the blade assembly.

Further, the blade assembly is provided with an adjustment seat connected to the piston rod.

Further, the hinge between the first adjusting mechanism and the second adjusting mechanism and the blade assembly is located on the side wall of the blade assembly, and the hinge between the piston rod and the blade assembly is located on The top of the blade assembly.

Further, the blade assembly is connected with a traction frame, and the traction frame is located on the side opposite to the side where the blade assembly is connected to the first adjustment mechanism and the second adjustment mechanism.

Further, the first sensor and the second sensor are dynamic inclination sensors.

Beneficial effects: the utility model detects the posture of the shovel assembly through the sensor, judges whether the shovel assembly is inclined and which side the inclined side is on, and the sensor detection signal is transmitted to the signal processor, and the signal processor transmits it to the hydraulic equipment after analysis and processing The assembly controls the corresponding solenoid valve to drive the corresponding oil cylinder movement, the oil cylinder drives the piston rod to expand and contract, and drives the first adjustment mechanism and the second adjustment mechanism through the traveling mechanism. The first adjustment mechanism and the second adjustment mechanism can work independently or simultaneously, depending on Based on the posture of the blade assembly and the operation plan, the level of the blade assembly can be adjusted precisely and the operation accuracy can be improved; and this adjustment relies on the expansion and contraction of the piston rod of the oil cylinder to drive the movement of the blade assembly. The first adjustment mechanism and the second adjustment mechanism The ground wheels at both ends always maintain the same axis, which will not affect the balance of the overall structure, nor will it cause the cylinder to be stressed.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. traction frame, 2. blade assembly, 3. laser receiver assembly, 4. hydraulic equipment assembly, 5. signal processing device, 6. second sensor, 7. first sensor, 8. The first oil cylinder, 9, the second oil cylinder, 10, the first adjustment mechanism, 11, the second adjustment mechanism.

detailed description

The technical scheme of the utility model will be described in detail below with the accompanying drawings, but the protection scope of the utility model is not limited to the described embodiments.

Embodiment 1: The precisely controlled laser grader shown in Figure 1 includes a blade assembly 2, a first oil cylinder 8, a second oil cylinder 9, a first traveling mechanism, a second traveling mechanism, and a blade assembly 2- One side is connected with the traction frame, and the other side is respectively connected with two groups of walking mechanisms through the first adjustment mechanism 10 and the second adjustment mechanism 11. The traction frame is used to connect the tractor to drive the blade assembly 2 to work; the middle part of the top of the blade assembly 2 A laser receiver assembly 3, a signal processing device 5, and a hydraulic equipment assembly 4 are provided, and a first sensor 7 and a second sensor 6 are provided at both ends, and the hydraulic equipment assembly 4 and the first oil cylinder 8 and the second oil cylinder 9 are respectively Connect to each other, the first sensor 7 is adjacently provided with the first adjusting seat, and the second sensor 6 is adjacently provided with the second adjusting seat; The adjustment mechanism 10 and the second adjustment mechanism 11 are two connecting rods, and the wheel shaft is hingedly connected with the blade assembly 2 through the two connecting rods; the piston rod of the first oil cylinder 8 is hingedly connected with the first adjustment seat, and the cylinder barrel is connected with the first The wheel shaft of the running gear is hingedly connected, the piston rod of the second oil cylinder 9 is hingedly connected with the second adjustment seat, and the cylinder barrel is hingedly connected with the wheel shaft of the second running gear.

The first sensor 7 and the second sensor 6 are dynamic inclination sensors, which are used to detect the inclination of the body of the blade assembly 2. The first sensor 7 and the second sensor 6 are connected to the signal processing device 5, and the detection signals are transmitted to the signal processing device. 5. The signal processing device 5 is connected with the hydraulic equipment assembly 4. According to the analysis and processing of the signal, the corresponding solenoid valve is controlled to drive the corresponding oil cylinder; the telescopic piston rod of the oil cylinder drives the wheel shaft of the traveling mechanism, and the wheel shaft drives the connecting rod to rotate to drive the blade The movement of the assembly 2 realizes level adjustment; the first oil cylinder 8 adjusts the blade assembly 2 through the first traveling mechanism, and the second oil cylinder 9 adjusts the blade assembly 2 through the second traveling mechanism independently of each other, and can work independently or at the same time. Depends on the tool attitude and job planning.

As stated above, although the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A laser grader with precise control, including a blade assembly and a laser receiver assembly installed on the blade assembly; it is characterized in that: the two ends of the blade assembly are equipped with a first sensor for detecting inclination A sensor and a second sensor, the first sensor and the second sensor are connected to the signal processing device, the signal processing device is connected to the hydraulic equipment assembly, and the hydraulic equipment assembly controls and drives the first oil cylinder and the second oil cylinder; the first oil cylinder, the second oil cylinder The oil cylinder is arranged between the shovel assembly and the two groups of traveling mechanisms, the two groups of traveling mechanisms are connected to the shovel assembly through the first adjustment mechanism and the second adjustment mechanism, and the first oil cylinder and the second oil cylinder are respectively passed through two The group traveling mechanism drives the first adjustment mechanism and the second adjustment mechanism to control the horizontal adjustment of the blade assembly. 2. The precisely controlled laser grader according to claim 1, characterized in that: the traveling mechanism includes a wheel shaft and ground wheels arranged at both ends of the wheel shaft. 3. The precisely controlled laser grader according to claim 2, characterized in that: the first adjustment mechanism and the second adjustment mechanism are two connecting rods, one end of the connecting rod is fixed on the wheel shaft, and the other end is connected to the wheel shaft. The blade assembly is hingedly connected. 4. The precisely controlled laser grader according to claim 2 or 3, characterized in that: the cylinder barrels of the first oil cylinder and the second oil cylinder are hingedly connected to the wheel shaft of the traveling mechanism, and the first oil cylinder, The piston rod of the second oil cylinder is hingedly connected with the blade assembly. 5. The precisely controlled laser grader according to claim 4, characterized in that: the blade assembly is provided with an adjustment seat connected to the piston rod. 6. The precisely controlled laser grader according to claim 4, characterized in that: the hinges of the first adjustment mechanism, the second adjustment mechanism and the blade assembly are located on the side of the blade assembly wall, the hinge between the piston rod and the blade assembly is located at the top of the blade assembly. 7. The laser grader with precise control according to claim 6, characterized in that: the blade assembly is connected with a traction frame, and the traction frame is located between the blade assembly and the first adjustment mechanism and the second adjustment mechanism The opposite side of the connection side. 8. The precisely controlled laser grader according to claim 1, characterized in that: the first sensor and the second sensor are dynamic inclination sensors.