Mast device for system positioning and automatic leveling land leveler

Abstract

The utility model relates to a mast device for system positioning and an automatic leveling land leveler, and belongs to the technical field of engineering machinery. Comprising a mast body and an angle adjusting seat used for adjusting the angle of the mast body, the top end of the mast body is provided with a GNSS receiving antenna, the bottom end of the mast body is provided with a tilt angle sensor used for monitoring the position and posture of a scraper knife, the mast body is fixedly installed on the scraper knife of the land leveler through the angle adjusting seat, and the angle adjusting seat is adjusted according to needs. The mast body can be driven to rotate relative to the scraper knife. The automatic control device has the advantages that the mast device with the adjustable angle is additionally arranged, the angle of the mast body is adjustable by adjusting the angle adjusting base, it can be guaranteed that the mast body is always in the vertical direction, satellite signals can be conveniently received, a scraper knife can be conveniently positioned, and then automatic control over the scraper knife is achieved.

Description

Technical Field

[0001] The utility model relates to a mast device for system positioning and an automatic leveling machine, belonging to the technical field of engineering machinery. Background Art

[0002] A motor grader is an earth-moving machine used to level the ground. It is suitable for building roadbeds and pavements, building slopes, and digging ditches. It can also mix road mixtures, clear snow, push loose materials, and maintain dirt and gravel roads. A blade is installed at the front of the motor grader. During the construction process of the motor grader, it moves back and forth. The position of the blade needs to be controlled during forward operation; when retreating, the blade needs to be raised to a certain height to prevent the blade from contacting the ground during the retreat process.

[0003] During the traditional construction process, the position of the shovel blade needs to be controlled to ensure that the flatness of the scraped road groove meets the requirements. The driver is usually required to visually estimate the height of the shovel blade and then adjust the height of the shovel blade based on experience. This places high demands on the driver's technical level and experience. Otherwise, the construction accuracy and efficiency cannot be guaranteed.

[0004] After searching, the patent application with application number 202310261944.3 discloses an automatic leveling system and method for a grader based on 2D laser technology in the field of grader technology, which aims to solve the problem that the existing grader requires the driver to adjust the blade height based on visual inspection, which affects the construction accuracy and efficiency, and when encountering a working condition with large ground undulations, there is too much soil under the blade and the soil load is large. It includes a laser transmitter, a controller and a blade, the blade is provided with a lifting mechanism, the blade is provided with a support rod, the support rod is provided with a laser receiver, the controller is electrically connected to the laser receiver, and the controller is electrically connected to an electric proportional valve and a display.

[0005] Although the above patent can realize automatic leveling of the height of the shovel blade, the current technical considerations are not comprehensive and have the following disadvantages: after long-term use, the tip of the shovel blade is worn, the shovel blade tilts forward as a whole, causing the support rod to tilt, which is not conducive to the laser receiver receiving the laser signal and affects the measurement accuracy. Utility Model Content

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to optimize the structure of the grader, by adding a mast device with an adjustable angle, so that the angle of the mast body can be adjusted, ensuring that the mast body is always in a vertical direction, facilitating the reception of satellite signals and positioning of the blade, thereby realizing automatic control of the blade. For this purpose, a mast device for system positioning and an automatic leveling grader are provided.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The utility model discloses a mast device for system positioning, characterized in that it includes a mast body and an angle adjustment seat for adjusting the angle of the mast body, a GNSS receiving antenna is installed at the top of the mast body, a tilt sensor for monitoring the position of the blade is installed at the bottom of the mast body, the mast body is fixedly installed on the blade of the grader through the angle adjustment seat, and the angle adjustment seat is adjusted as needed to drive the mast body to rotate relative to the blade. When the blade tilts forward as a whole, the mast body tilts, affecting the reception of the signal, and by adjusting the angle adjustment seat, the mast body is always in a vertical direction, which is convenient for the GNSS receiving antenna to receive satellite signals.

[0009] Preferably, the angle adjustment seat comprises an upwardly open U-shaped mast fixing seat and a downwardly open U-shaped mast rotating seat, the bottom of the mast fixing seat is fixedly mounted on the blade of the grader, two groups of mounting holes A and two groups of mounting holes B are symmetrically provided on the two side walls of the mast fixing seat, and the mounting holes B are located directly above the mounting holes A, the top of the mast rotating seat is fixedly connected to the mast body by bolts, two groups of mounting holes C and multiple groups of angle adjustment holes are symmetrically provided on the two side walls of the mast rotating seat, the mounting holes C are hinged to the mounting holes A through pins, so that the mast rotating seat can rotate relative to the mast fixing seat, the multiple groups of angle adjustment holes are arranged around the center line of the mounting holes C, and are evenly spaced along the circumference, the angle adjustment holes are fixedly connected to the mounting holes B by bolts, so that the mast rotating seat is locked to the mast fixing seat, and the bolts are passed through different angle adjustment holes and the mounting holes B for fixed connection, so that the angle of the mast body can be adjusted.

[0010] Preferably, the mast body includes a straight mast and an inclined mast, the straight mast is arranged above the inclined mast, an antenna fixing seat is arranged above the straight mast, the GNSS receiving antenna is mounted on the antenna fixing seat, and adjustment bolts are symmetrically arranged on both sides of the antenna fixing seat. By adjusting the adjustment bolts, the antenna fixing seat can be quickly installed and removed, and subsequent maintenance and repair are convenient, which effectively improves work efficiency.

[0011] Preferably, the top mounting seat of the oblique mast is fixedly connected to the straight mast by bolts, the bottom mounting seat of the oblique mast is fixedly connected to the top of the mast rotating seat by bolts, the inclination sensor is mounted on the bottom mounting seat of the oblique mast, and the oblique mast is tilted toward the side away from the motor grader body, so as to increase the distance between the straight mast and the motor grader cab, so that the blade has a larger operating radius when rotating, so as to avoid collision between the straight mast and the cab due to operating errors.

[0012] An automatic leveling machine includes the above-mentioned mast device for system positioning, wherein the mast device is in two groups and is symmetrically arranged above the two ends of the blade, so as to realize the real-time transmission of the blade posture data.

[0013] Preferably, a radio antenna is installed on the top of the grader cab to receive radio information from the base station and collect the data to the controller for data transmission.

[0014] Preferably, a controller is installed on the motor grader body, which is used to receive data sent back by the GNSS receiving antenna, radio antenna, tilt sensor, etc., compare the collected data with the design data, and send control instructions to the electromagnetic proportional valve to control the blade to perform actions according to the design data.

[0015] Preferably, a human-machine interactive display is installed inside the cab of the grader. The human-machine interactive display can realize the switching between the conventional operation interface and the auxiliary construction interface, and is used to display information such as vehicle position coordinates, blade elevation, tilt angle, driving trajectory, etc. The display has a blade model solving function, performs an automatic coordinate system correction algorithm, and can import construction design files at the same time.

[0016] Preferably, a manual / automatic switch is installed at the blade lifting handle of the grader cab, so that conventional manual operation and intelligent operation can be switched, and the driver can select manual mode or automatic mode according to needs.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a mast device for system positioning and an automatic leveling grader. By setting an angle-adjustable mast device and adjusting an angle-adjusting seat, the angle of the mast body can be adjusted, thereby ensuring that the mast body is always in a vertical direction, facilitating the reception of satellite signals and the positioning of the blade, thereby realizing automatic control of the blade.

[0019] The utility model discloses a mast device for system positioning and an automatic leveling machine, which can realize the rapid installation and removal of the antenna fixing seat by setting the adjusting bolts, and is convenient for subsequent maintenance and repair, thereby effectively improving the work efficiency.

[0020] The utility model discloses a mast device for system positioning and an automatic leveling grader, which inputs construction design data into a human-machine interactive display, and automatically controls the blade until it reaches the designed position, thereby realizing pile-free construction and saving tedious measurement work. It only needs to re-measure after the construction is completed, thus reducing the number of construction personnel. At the same time, it can ensure that the machine works at full load, thus improving the utilization rate of the machine. It can also carry out construction at night, thus greatly improving the construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a three-dimensional diagram of the mast device of the utility model;

[0023] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0024] Figure 3 It is a front view of the mast device of the utility model;

[0025] Figure 4 It is a right side view of the mast device of the utility model;

[0026] Figure 5 It is a front view of the motor grader of the utility model;

[0027] Figure 6 It is a left side view of the motor grader of the present utility model.

[0028] In the figure: 1, mast body 2, mast fixing seat 3, mast rotating seat 4, GNSS receiving antenna 5, blade 6, tilt sensor 7, angle adjustment hole 8, mounting hole A 9, mounting hole B 10, mounting hole C 11, straight mast 12, inclined mast 13, antenna fixing seat 14, adjustment bolt 15, grader body 16, radio antenna 17, controller 18, human-computer interaction display 19, bolt 20, angle adjustment seat. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] The present invention is further described below through specific embodiments, but is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

[0031] Embodiment 1, as Figure 1-4As shown, a mast device for system positioning includes a mast body 1 and an angle adjustment seat 20 for adjusting the angle of the mast body 1, a GNSS receiving antenna 4 is installed at the top end of the mast body 1, and an inclination sensor 6 for monitoring the position and posture of a blade 5 is installed at the bottom end of the mast body 1. The mast body 1 is fixedly mounted on the blade 5 of the grader through the angle adjustment seat 20. The angle adjustment seat 20 can be adjusted as needed to drive the mast body 1 to rotate relative to the blade 5.

[0032] After long-term use, the blade tip of the blade 5 is worn, and the blade 5 tilts forward as a whole, causing the mast body 1 to tilt, affecting the signal reception, and the angle adjustment seat 20 needs to be adjusted. By adjusting the angle adjustment seat 20, the mast body 1 is rotated relative to the blade 5, ensuring that the mast body 1 is always in a vertical direction, which is convenient for the GNSS receiving antenna 4 to receive satellite signals.

[0033] Furthermore, the angle adjustment seat 20 includes an upwardly open U-shaped mast fixing seat 2 and a downwardly open U-shaped mast rotating seat 3, the bottom of the mast fixing seat 2 is fixedly mounted on the blade 5 of the grader, two sets of mounting holes A8 and two sets of mounting holes B9 are symmetrically opened on the two side walls of the mast fixing seat 2, and the mounting holes B9 are located directly above the mounting holes A8, the top of the mast rotating seat 3 is fixedly connected to the mast body 1 by bolts, and two sets of mounting holes C10 are symmetrically opened on the two side walls of the mast rotating seat 3 And multiple groups of angle adjustment holes 7, the mounting hole C10 is hinged with the mounting hole A8 through a pin shaft, so that the mast rotating seat 3 can rotate relative to the mast fixing seat 2, the multiple groups of angle adjustment holes 7 are arranged around the center line of the mounting hole C10, and are evenly spaced along the circumference, the angle adjustment hole 7 is fixedly connected with the mounting hole B9 by a bolt 19, so that the mast rotating seat 3 and the mast fixing seat 2 are locked, and the bolt 19 is passed through different angle adjustment holes 7 and the mounting hole B9 for fixed connection, so that the angle of the mast body 1 can be adjusted.

[0034] Furthermore, the mast body 1 includes a straight mast 11 and an inclined mast 12, the straight mast 11 is arranged above the inclined mast 12, an antenna fixing seat 13 is arranged above the straight mast 11, the GNSS receiving antenna 4 is mounted on the antenna fixing seat 13, and adjustment bolts 14 are symmetrically arranged on both sides of the antenna fixing seat 13. By adjusting the adjustment bolts 14, the antenna fixing seat 13 can be quickly installed and disassembled, and subsequent maintenance and repair are convenient, which effectively improves work efficiency.

[0035] Furthermore, the top mounting seat of the oblique mast 12 is fixedly connected to the straight mast 11 by bolts, the bottom mounting seat of the oblique mast 12 is fixedly connected to the top of the mast rotating seat 3 by bolts, the inclination sensor 6 is mounted on the bottom mounting seat of the oblique mast 12, and the oblique mast 12 is tilted toward the side away from the motor grader body 15. This increases the distance between the straight mast 11 and the motor grader cab, so that the blade 5 has a larger operating radius when rotating, so as to avoid collision between the straight mast 11 and the cab due to operational errors.

[0036] Embodiment 2, as Figure 1-6 As shown, an automatic leveling machine includes the above-mentioned mast device for system positioning, wherein the mast device is in two groups and is symmetrically arranged above the two ends of the blade 5 to achieve real-time transmission of the blade 5 posture data.

[0037] Furthermore, a radio antenna 16 is installed on the top of the cab of the grader to receive base station radio information and collect data to the controller 17 for data transmission.

[0038] Furthermore, a controller 17 is installed on the motor grader body 15. It is used to receive the feedback data from the GNSS receiving antenna 4, the radio antenna 16, the inclination sensor 6, etc., compare the collected data with the design data, and send control instructions to the electromagnetic proportional valve to control the blade 5 to perform actions according to the design data.

[0039] Furthermore, a human-machine interactive display 18 is installed inside the cab of the motor grader. The human-machine interactive display 18 can realize the switching between the conventional operation interface and the auxiliary construction interface, and is used to display information such as vehicle position coordinates, blade elevation, tilt angle, driving trajectory, etc. The display has a blade model solving function, performs an automatic coordinate system correction algorithm, and can import construction design files at the same time.

[0040] Furthermore, a manual / automatic switch is installed at the blade lifting handle of the grader cab, which can switch between conventional manual operation and intelligent operation, and the driver can select manual mode or automatic mode according to needs.

[0041] The utility model discloses a mast device for system positioning and an automatic leveling grader. By setting an angle-adjustable mast device and adjusting an angle-adjusting seat, the angle of the mast body can be adjusted, thereby ensuring that the mast body is always in a vertical direction, which is convenient for receiving satellite signals and positioning the shovel blade. By setting an adjusting bolt, the antenna fixing seat can be quickly installed and disassembled, which is convenient for subsequent maintenance and repair, and effectively improves work efficiency.

[0042] The utility model discloses a mast device for system positioning and an automatic leveling grader, which inputs construction design data into a human-machine interactive display, and automatically controls the blade until it reaches the designed position, thereby realizing pile-free construction and saving tedious measurement work. It only needs to re-measure after the construction is completed, thus reducing the number of construction personnel. At the same time, it can ensure that the machine works at full load, thus improving the utilization rate of the machine. It can also carry out construction at night, thus greatly improving the construction progress.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

Claims

1. A mast device for system positioning, characterized in that: The invention comprises a mast body (1) and an angle adjustment seat (20) for adjusting the angle of the mast body (1); a GNSS receiving antenna (4) is installed at the top end of the mast body (1); an inclination sensor (6) for monitoring the position and posture of a blade (5) is installed at the bottom end of the mast body (1); the mast body (1) is fixedly mounted on the blade (5) of the grader via the angle adjustment seat (20); the angle adjustment seat (20) is adjusted as required to drive the mast body (1) to rotate relative to the blade (5).

2. A mast device for system positioning according to claim 1, characterized in that: The angle adjustment seat (20) comprises an upwardly open U-shaped mast fixing seat (2) and a downwardly open U-shaped mast rotating seat (3), the bottom of the mast fixing seat (2) being fixedly mounted on a blade (5) of a grader, two sets of mounting holes A (8) and two sets of mounting holes B (9) being symmetrically provided on two side walls of the mast fixing seat (2), and the mounting holes B (9) being located directly above the mounting holes A (8), the top of the mast rotating seat (3) being fixedly connected to the mast body (1) by bolts, two sets of mounting holes C (10) and a plurality of sets of angle adjustment holes (7) being symmetrically provided on two side walls of the mast rotating seat (3), the mounting holes C (10) being hinged to the mounting holes A (8) by pins, the plurality of sets of angle adjustment holes (7) being arranged around the center line of the mounting holes C (10) and being evenly spaced along the circumference, and the angle adjustment holes (7) being fixedly connected to the mounting holes B (9) by bolts (19).

3. A mast device for system positioning according to claim 2, characterized in that: The mast body (1) comprises a straight mast (11) and an inclined mast (12); the straight mast (11) is arranged above the inclined mast (12); an antenna fixing seat (13) is arranged above the straight mast (11); the GNSS receiving antenna (4) is mounted on the antenna fixing seat (13); and adjustment bolts (14) are symmetrically arranged on both sides of the antenna fixing seat (13).

4. A mast device for system positioning according to claim 3, characterized in that: The top mounting seat of the inclined mast (12) is fixedly connected to the straight mast (11) by means of bolts, the bottom mounting seat of the inclined mast (12) is fixedly connected to the top of the mast rotating seat (3) by means of bolts, the inclination sensor (6) is mounted on the bottom mounting seat of the inclined mast (12), and the inclined mast (12) is inclined toward a side away from the motor grader body (15).

5. An automatic leveling grader, characterized in that: It comprises a mast device for system positioning as claimed in any one of claims 1 to 4, wherein the mast device comprises two groups, which are symmetrically arranged above the two ends of the blade (5).

6. The automatic leveling machine according to claim 5, characterized in that: A radio antenna (16) is installed on the top of the grader cab.

7. The automatic leveling machine according to claim 6, characterized in that: A controller (17) is installed on the motor grader body (15).

8. The automatic leveling machine according to claim 7, characterized in that: A human-machine interactive display (18) is installed inside the cab of the motor grader.

9. The automatic leveling machine according to claim 8, characterized in that: A manual / automatic switch is installed on the blade lifting handle of the grader cab.

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