Shockproof support for excavator

Abstract

The invention relates to the technical field of anti-vibration supports, and particularly discloses an excavator anti-vibration support which comprises a bottom plate, rolling wheels are installed on the four sides of the lower end of the bottom plate, supporting columns are fixedly installed on the four sides of the upper end of the bottom plate, a top plate is moved to the lowest end to be supported at the upper ends of the supporting columns, and meanwhile the lower end of an inclined plate makes contact with the ground; then a rotating rod is driven by a motor to rotate, a sliding sleeve and a sliding block are rotated to the outer side of a bottom plate, then a first electric telescopic rod is started to push the sliding block to the outer side, then a second threaded rod is rotated to drive an abutting block to make contact with the ground, the bottom plate is firmly supported, and the excavator needing to be overhauled can be driven to the upper end of a shockproof plate; and finally, the excavator can be overhauled by starting a second electric telescopic rod to lift the top plate, a spring is matched with a guide rod to conduct buffering and damping on the anti-vibration plate, a damper can make the anti-vibration plate stop vibration rapidly, the excavator can walk on the anti-vibration plate more stably, and the situation that the excavator drives the whole support to slide is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of shockproof brackets, in particular to a shockproof bracket for an excavator. Background Art

[0002] An excavator is an earth-moving machine that can dig the soil surface. This process requires manual operation, so it has high technical requirements for technicians. A certain amount of space and protective devices are required during operation. Therefore, the excavator includes protective devices and operating devices, all of which need to be fixed using brackets.

[0003] During the use of traditional excavator maintenance stands, since there is no shock-absorbing device in the stands, the user and the cab will experience obvious vibration during maintenance, which hinders the operator's maintenance of the excavator and reduces the operating efficiency of the excavator. In addition, the traditional stands do not have a lifting structure, so the excavator cannot directly enter the anti-vibration stand, and the height of the anti-vibration stand cannot be adjusted, which makes it inconvenient for the driver to operate. Summary of the invention

[0004] The object of the present invention is to provide a shock-absorbing bracket for an excavator to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-vibration support for an excavator, comprising: a bottom plate, characterized in that: rollers are installed on four sides of the lower end of the bottom plate, support columns are fixedly installed on four sides of the upper end of the bottom plate, a threaded rod 1 is rotatably connected to the lower end of the bottom plate in the left and right directions, threaded grooves are symmetrically provided at the left and right ends of the threaded rod 1, a rotating column is rotatably connected to the four sides of the lower end of the bottom plate, the rotating column is located on the outer side of the roller, a sliding sleeve is fixedly installed on the outer end of the rotating column, a supporting component is installed on the outer end of the sliding sleeve, and a driving component is provided between the threaded rod 1 and the rotating column;

[0006] A top plate is arranged at the upper end of the bottom plate, a lifting component is arranged between the top plate and the bottom plate, downwardly inclined inclined plates are fixedly installed on the left and right sides of the top plate, a shockproof plate is installed on the upper end of the top plate through a shock-absorbing component, and a rotating plate is rotatably connected to the left and right ends of the shockproof plate.

[0007] Preferably, both left and right ends of the threaded rod 1 are rotatably connected to a support plate, the upper end of the support plate is fixedly mounted on the lower end of the base plate, the upper end of the base plate is fixedly mounted with a motor, and the lower end is fixedly mounted with a reducer, the output end of the motor rotates through the side wall of the base plate and is fixedly connected to the drive shaft of the reducer, the output shaft of the reducer is fixedly mounted with a steering gear 1, and a steering gear 2 is fixedly mounted on the outer wall of the threaded rod 1, and the outer wall of the steering gear 1 is meshingly connected with the outer wall of the steering gear 2.

[0008] Preferably, the driving component includes a threaded sleeve and a telescopic rod, two threaded sleeves are provided, and are symmetrically threadedly connected to the outer walls of the left and right ends of the threaded rod, the front and rear ends of each threaded sleeve are rotatably connected to one end of the telescopic rod, and a limiting hole is provided at the other end of the telescopic rod, and the limiting hole is in the shape of an equilateral hexagon.

[0009] Preferably, a hexagonal column is fixedly installed on the lower end of each rotating column, and a threaded column is fixedly installed on the lower end of each hexagonal column. The limiting hole passes through the threaded column and is sleeved on the outer end of the hexagonal column, and a fastening nut is threadedly connected to the outer wall of the threaded column.

[0010] Preferably, the supporting component includes a slider, one end of which is fixedly mounted with an electric telescopic rod 1, one end of the slider is slidably inserted into a sliding sleeve, and the other end of the electric telescopic rod 1 is fixed in the sliding sleeve.

[0011] Preferably, the other end of the slider is threadedly connected to a second threaded rod, and the lower end of the second threaded rod passes through the slider and is rotatably connected to a resistance block.

[0012] Preferably, the lifting component includes two rotating rods 1 and 2, one end of the rotating rod 1 is rotatably connected to one side of the upper end of the base plate, and one end of the rotating rod 2 is rotatably connected to the other side of the upper end of the base plate, and the rotating rod 1 and the rotating rod 2 are cross-arranged and rotatably connected at the intersection by an axle pin, a mounting plate is fixedly installed between the upper ends of the two rotating rods 2, and two electric telescopic rods 2 are rotatably connected between the mounting plate and the base plate.

[0013] Preferably, the upper ends of the two rotating rods are rotatably connected to a slide seat, the upper end of the slide seat is slidably connected to a slide rail, the slide rail is fixedly installed on the lower end of the top plate, and the upper end of the rotating rod is rotatably connected to the lower end of the top plate.

[0014] Preferably, the shock-absorbing component includes a plurality of circular holes opened on the upper end of the top plate and a plurality of dampers, a guide rod is slidably inserted in each circular hole, the lower end of the guide rod passes through the circular hole and is fixedly installed on a limiting plate, the upper end of the guide rod is sleeved with a spring, the top end of the guide rod is fixedly installed on the lower end of the shock-proof plate, one end of the spring is fixed on the upper end of the top plate, and the other end is fixed on the lower end of the shock-proof plate.

[0015] Preferably, the lower end of the damper is fixedly mounted on four sides of the upper end of the top plate, and the upper end of the damper is fixedly mounted on four sides of the lower end of the shockproof plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] By moving the top plate to the lowest end and supporting it on the upper end of the support column, while the lower end of the inclined plate is in contact with the ground, the motor drives the rotating rod to rotate, and the sleeve and the slider are rotated to the outside of the bottom plate. Then, the electric telescopic rod 1 is started to push the slider outward, and then the threaded rod 2 is rotated to drive the resistance block to contact the ground, so as to firmly support the bottom plate. The excavator that needs to be inspected can be driven to the upper end of the shockproof plate. Finally, the top plate can be raised by starting the electric telescopic rod 2 to inspect the excavator. The spring and the guide rod can buffer and reduce shock on the shockproof plate. The damper can stop the vibration of the shockproof plate quickly, making the excavator walk more stably on the shockproof plate and preventing the excavator from driving the entire bracket to slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a bottom view of the overall structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the driving component of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the support component of the present invention;

[0022] Figure 5 It is a schematic diagram of the top plate structure of the present invention;

[0023] Figure 6 It is a bottom view of the top plate of the present invention.

[0024] In the figure: 1, bottom plate; 2, roller; 3, support column; 4, motor; 5, reducer; 6, output shaft; 7, steering gear 1; 8, threaded sleeve; 9, threaded rod 1; 10, steering gear 2; 11, rotating column; 12, hexagonal column; 13, threaded column; 14, telescopic rod; 15, limiting hole; 16, fastening nut; 17, sliding sleeve; 18, slider; 19, electric telescopic rod 1; 20, threaded rod 2; 21, resistance block; 22, rotating rod 1; 23, rotating rod 2; 24, mounting plate; 25, electric telescopic rod 2; 26, sliding seat; 27, slide rail; 28, top plate; 29, inclined plate; 30, round hole; 31, guide rod; 32, limiting plate; 33, spring; 34, damper; 35, shockproof plate; 36, rotating plate. DETAILED DESCRIPTION

[0025] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 6 The present invention provides a technical solution: an anti-vibration bracket for an excavator, comprising: a bottom plate 1, rollers 2 are installed on the four sides of the lower end of the bottom plate 1, and the bottom plate 1 can be driven to move by setting the rollers 2, and support columns 3 are fixedly installed on the four sides of the upper end of the bottom plate 1, and the lower end of the bottom plate 1 is rotatably connected with a threaded rod 9 in the left and right directions, and the left and right ends of the threaded rod 9 are symmetrically provided with threaded grooves, and the left and right ends of the threaded rod 9 are rotatably connected with a support plate, and the upper end of the support plate is fixedly installed at the lower end of the bottom plate 1, so that the threaded rod 9 can rotate in situ at the lower end of the bottom plate 1, and the bottom plate 1 A motor 4 is fixedly installed on the upper end, and the motor 4 is a servo motor. The motor 4 can rotate forward and backward. A reducer 5 is fixedly installed on the lower end. The output end of the motor 4 rotates through the side wall of the base plate 1 and is fixedly connected to the driving shaft of the reducer 5. A steering gear 7 is fixedly installed on the output shaft 6 of the reducer 5. A steering gear 2 10 is fixedly installed on the outer wall of the threaded rod 19. The outer wall of the steering gear 7 is meshed with the outer wall of the steering gear 2 10. The motor 4 can drive the steering gear 7 to rotate through the reducer 5, and the steering gear 7 drives the threaded rod 9 to rotate through the steering gear 2 10.

[0027] The four sides of the lower end of the bottom plate 1 are rotatably connected with a rotating column 11, and the rotating column 11 is located on the outside of the roller 2. A driving component is arranged between the threaded rod 9 and the rotating column 11, and the driving component includes a threaded sleeve 8 and a telescopic rod 14. The threaded sleeve 8 is provided with two, and is symmetrically threadedly connected to the outer walls of the left and right ends of the threaded rod 9. When the motor 4 drives the threaded rod 9 to rotate, the two threaded sleeves 8 move inward or outward on the threaded rod 9 at the same time. The front and rear ends of each threaded sleeve 8 are rotatably connected to one end of the telescopic rod 14, and the other end of the telescopic rod 14 is provided with a limiting hole 15, and the limiting hole 15 is equilateral. The rotating column 11 is hexagonal in shape, and a hexagonal column 12 is fixedly installed on the lower end of each rotating column 11, and a threaded column 13 is fixedly installed on the lower end of each hexagonal column 12. The limiting hole 15 passes through the threaded column 13 and is sleeved on the outer end of the hexagonal column 12. A fastening nut 16 is threadedly connected on the outer wall of the threaded column 13. By screwing the fastening nut 16, the upper end of the fastening nut 16 contacts the lower end of the telescopic rod 14, and the other end of the telescopic rod 14 is fixed to the lower end of the rotating column 11. When the threaded sleeve 8 moves, one end of the telescopic rod 14 will be driven to rotate on the outside of the threaded sleeve 8, thereby driving the rotating column 11 to rotate.

[0028] The outer end of the rotating column 11 is fixedly installed with a sliding sleeve 17, and the outer end of the sliding sleeve 17 is installed with a supporting component, which includes a slider 18, one end of the slider 18 is fixedly installed with an electric telescopic rod 19, one end of the slider 18 is slidably inserted into the sliding sleeve 17, and the other end of the electric telescopic rod 19 is fixed in the sliding sleeve 17. When the electric telescopic rod 19 is started, the slider 18 can be driven to slide in the sliding sleeve 17, so as to adjust the length of the slider 18 extending out of the sliding sleeve 17. The other end of the slider 18 is threadedly connected with a threaded rod 20, and the lower end of the threaded rod 20 passes through the slider 18 and is rotatably connected with a resistance block 21. When it is necessary to fix the base plate 1, the rotating column 11 is driven to rotate by the motor 4, the sliding sleeve 17 and the slider 18 are rotated to the outside of the base plate 1, and then the electric telescopic rod 19 is started to push the slider 18 outward, and then the threaded rod 20 is rotated to drive the resistance block 21 to contact with the ground, so that the base plate 1 is firmly supported, and the excavator that needs to be repaired can be driven to the anti-vibration plate 35 for repair.

[0029] A top plate 28 is provided at the upper end of the bottom plate 1, and a lifting component is provided between the top plate 28 and the bottom plate 1, and the lifting component includes two rotating rods 1 22 and a rotating rod 23, one end of the rotating rod 1 22 is rotatably connected to one side of the upper end of the bottom plate 1, and one end of the rotating rod 23 is rotatably connected to the other side of the upper end of the bottom plate 1, and the rotating rod 1 22 and the rotating rod 23 are cross-arranged and rotatably connected at the intersection by an axle pin, and a mounting plate 24 is fixedly installed between the upper ends of the two rotating rods 23, and two electric telescopic rods 25 are rotatably connected between the mounting plate 24 and the bottom plate 1, and the upper ends of the two rotating rods 23 are rotatably connected to a slide seat 26, and the upper end of the slide seat 26 is slidably connected to a slide rail 27, which is fixedly installed at the lower end of the top plate 28, and the upper end of the rotating rod 1 22 is rotatably connected to the lower end of the top plate 28, and the rotating rod 23 is driven to rotate and slide under the slide rail 27 by starting the electric telescopic rod 25, thereby driving the top plate 28 to rise and fall.

[0030] The left and right sides of the top plate 28 are fixedly installed with downwardly inclined inclined plates 29 to facilitate the up and down movement of the excavator. The upper end of the top plate 28 is installed with a shock-absorbing plate 35 through a shock-absorbing component. The left and right ends of the shock-absorbing plate 35 are rotatably connected with a rotating plate 36. The lower end of the rotating plate 36 overlaps the upper end of the inclined plate 29 to facilitate the excavator to move to the upper end of the shock-absorbing plate 35.

[0031] The shock absorbing component includes a plurality of circular holes 30 and a plurality of dampers 34 opened at the upper end of the top plate 28, each of which is slidably inserted with a guide rod 31, the lower end of the guide rod 31 passes through the circular hole 30 and is fixedly installed with a limiting plate 32, the upper end of the guide rod 31 is sleeved with a spring 33, the top end of the guide rod 31 is fixedly installed on the lower end of the shockproof plate 35, one end of the spring 33 is fixed to the upper end of the top plate 28, and the other end is fixed to the lower end of the shockproof plate 35, the lower end of the damper 34 is fixedly installed on the four sides of the upper end of the top plate 28, and the upper end of the damper 34 is fixedly installed on the four sides of the lower end of the shockproof plate 35, the spring 33 cooperates with the guide rod 31 to buffer and damp the shockproof plate 35, and the damper 34 can stop the vibration of the shockproof plate 35 quickly, so that the excavator can walk on the shockproof plate 35 more stably, and prevent the excavator from driving the entire bracket to slide.

[0032] In actual use, when the excavator needs to be lifted for maintenance, the top plate 28 is moved to the lowest end so that it is supported on the upper end of the support column 3, and at the same time, the lower end of the inclined plate 29 is in contact with the ground, and then the motor 4 drives the rotating column 11 to rotate, and the sliding sleeve 17 and the slider 18 are rotated to the outside of the bottom plate 1, and then the electric telescopic rod 19 is started to push the slider 18 outward, and then the threaded rod 20 is rotated to drive the resistance block 21 to contact the ground, so as to firmly support the bottom plate 1. The excavator that needs to be repaired can be driven to the upper end of the shockproof plate 35, and finally the electric telescopic rod 25 is started to lift the top plate 28 to carry out maintenance on the excavator.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-vibration bracket for an excavator, comprising: The bottom plate (1) is characterized in that: rollers (2) are installed on the four sides of the lower end of the bottom plate (1), support columns (3) are fixedly installed on the four sides of the upper end of the bottom plate (1), the lower end of the bottom plate (1) is rotatably connected to a threaded rod (9) in the left and right directions, and threaded grooves are symmetrically provided at the left and right ends of the threaded rod (9), and the four sides of the lower end of the bottom plate (1) are rotatably connected to a rotating column (11), the rotating column (11) is located on the outer side of the roller (2), a sliding sleeve (17) is fixedly installed on the outer end of the rotating column (11), a supporting component is installed on the outer end of the sliding sleeve (17), and a driving component is provided between the threaded rod (9) and the rotating column (11); A top plate (28) is arranged at the upper end of the bottom plate (1), a lifting component is arranged between the top plate (28) and the bottom plate (1), downwardly inclined inclined plates (29) are fixedly installed on both left and right sides of the top plate (28), a shockproof plate (35) is installed at the upper end of the top plate (28) via a shock-absorbing component, and a rotating plate (36) is rotatably connected to the left and right ends of the shockproof plate (35).

2. The anti-vibration bracket for an excavator according to claim 1, characterized in that: The left and right ends of the threaded rod 1 (9) are rotatably connected to support plates, the upper end of the support plate is fixedly mounted on the lower end of the base plate (1), the upper end of the base plate (1) is fixedly mounted with a motor (4), and the lower end is fixedly mounted with a reducer (5), the output end of the motor (4) rotates through the side wall of the base plate (1) and is fixedly connected to the drive shaft of the reducer (5), the output shaft (6) of the reducer (5) is fixedly mounted with a steering gear 1 (7), the outer wall of the threaded rod 1 (9) is fixedly mounted with a steering gear 2 (10), and the outer wall of the steering gear 1 (7) is meshingly connected with the outer wall of the steering gear 2 (10).

3. The anti-vibration bracket for an excavator according to claim 1, characterized in that: The driving component comprises a threaded sleeve (8) and a telescopic rod (14). Two threaded sleeves (8) are provided and are symmetrically threadedly connected to the outer walls of the left and right ends of the threaded rod (9). The front and rear ends of each threaded sleeve (8) are rotatably connected to one end of the telescopic rod (14). The other end of the telescopic rod (14) is provided with a limiting hole (15), and the limiting hole (15) is in the shape of an equilateral hexagon.

4. The anti-vibration support for an excavator according to claim 3, characterized in that: A hexagonal column (12) is fixedly mounted on the lower end of each rotating column (11), a threaded column (13) is fixedly mounted on the lower end of each hexagonal column (12), a limiting hole (15) passes through the threaded column (13) and is sleeved on the outer end of the hexagonal column (12), and a fastening nut (16) is threadedly connected on the outer wall of the threaded column (13).

5. The anti-vibration support for an excavator according to claim 1, characterized in that: The supporting component comprises a slider (18), one end of which is fixedly mounted an electric telescopic rod (19), one end of which is slidably inserted into a sliding sleeve (17), and the other end of which is fixed in the sliding sleeve (17).

6. The anti-vibration support for an excavator according to claim 5, characterized in that: The other end of the slider (18) is threadedly connected to a second threaded rod (20), and the lower end of the second threaded rod (20) passes through the slider (18) and is rotatably connected to a resisting block (21).

7. The anti-vibration support for an excavator according to claim 1, characterized in that: The lifting component comprises two rotating rods (22) and two rotating rods (23), one end of the rotating rod (22) is rotatably connected to one side of the upper end of the base plate (1), and one end of the rotating rod (23) is rotatably connected to the other side of the upper end of the base plate (1), and the rotating rod (22) and the rotating rod (23) are arranged crosswise, and are rotatably connected at the intersection by an axle pin, a mounting plate (24) is fixedly installed between the upper ends of the two rotating rods (23), and two electric telescopic rods (25) are rotatably connected between the mounting plate (24) and the base plate (1).

8. The anti-vibration support for an excavator according to claim 7, characterized in that: The upper ends of the two rotating rods (23) are rotatably connected to a slide seat (26), the upper end of the slide seat (26) is slidably connected to a slide rail (27), the slide rail (27) is fixedly mounted on the lower end of the top plate (28), and the upper end of the rotating rod (22) is rotatably connected to the lower end of the top plate (28).

9. The anti-vibration support for an excavator according to claim 1, characterized in that: The shock absorbing component comprises a plurality of circular holes (30) opened at the upper end of the top plate (28) and a plurality of dampers (34), each circular hole (30) is slidably inserted with a guide rod (31), the lower end of the guide rod (31) passes through the circular hole (30) and is fixedly mounted on a limiting plate (32), the upper end of the guide rod (31) is sleeved with a spring (33), the top end of the guide rod (31) is fixedly mounted on the lower end of the shockproof plate (35), one end of the spring (33) is fixed to the upper end of the top plate (28), and the other end is fixed to the lower end of the shockproof plate (35).

10. The anti-vibration support for an excavator according to claim 1, characterized in that: The lower end of the damper (34) is fixedly mounted on four sides of the upper end of the top plate (28), and the upper end of the damper (34) is fixedly mounted on four sides of the lower end of the shockproof plate (35).

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