Excavator chassis heightening device

Abstract

The utility model discloses an excavator chassis heightening device, which relates to the technical field of excavators, and comprises a crawler belt, a chassis body and a support disc, walking devices are respectively fixed on two sides of the chassis body, the walking devices are sleeved with the crawler belt, a support is fixed on the upper surface of the chassis body, a groove is arranged at the front end of the support, and the support disc is arranged in the groove. A hydraulic cylinder is fixed to the bottom end of the inner wall of the groove, the bottom end of a hydraulic rod movably connected with the hydraulic cylinder penetrates through the support, the bottom end of the hydraulic rod movably connected with the hydraulic cylinder penetrates through the chassis body, a threaded round block is fixed to the bottom end of the hydraulic rod, the threaded round block extends into the supporting disc and is in threaded connection with the supporting disc, and a fixing plate is fixed to the upper surface of the supporting disc. One side of the fixed plate is movably connected with a movable plate, and the lower surface of the movable plate is rotationally connected with a drill rod. The chassis body can be heightened according to needs, accumulated water is prevented from entering the walking device to damage the walking device, meanwhile, heightening supporting is more stable, and sliding is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to an excavator chassis heightening device. Background Art

[0002] An excavator is a heavy-duty engineering machine used to dig soil, gravel or other materials. With its powerful digging capabilities, an excavator can be used in a variety of engineering projects, including earthworks, foundation engineering, road construction and mining. This type of machine usually has a rotating platform that allows the operator to rotate 360 ​​degrees and quickly perform digging, loading and unloading operations. The use environment of an excavator is complex. When it needs to be used in waterlogged conditions on the ground, the accumulated water will flood the excavator's traveling device, which can easily cause water to enter the traveling device and cause damage.

[0003] A Chinese patent discloses an excavator chassis raising device (authorization announcement number CN215759288U), and the patented technology mainly includes a chassis frame, a support seat and a hydraulic rod; the chassis frame is fixedly installed with a support seat; the support seat is fixedly installed with a hydraulic rod; the upper end of the hydraulic rod is fixedly installed with a support platform; the support seat has an inner cavity; the support seat is internally rotatably connected with a driving shaft; the support seat has two pairs of driving shafts symmetrically distributed inside; the driving shafts are fixedly installed with gears one; the gears one are meshed with each other; the support seat is fixedly installed with a double-headed motor between the driving shafts; the double-headed motor is connected to the two driving shafts.

[0004] However, there are still some shortcomings in this patent. The use environment of the excavator is complex. When the excavator needs to be used in the case of water accumulation on the ground, the water will flood the excavator's walking device, and it is easy for the water to enter the walking device and cause damage. Therefore, those skilled in the art provide an excavator chassis heightening device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a device for raising the chassis of an excavator to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides an excavator undercarriage raising device, including a crawler, a chassis body and a support plate, wherein walking devices are respectively fixed on both sides of the chassis body, the walking devices are sleeved with the crawler, a bracket is fixed on the upper surface of the chassis body, a groove is opened at the front end of the bracket, a hydraulic cylinder is fixed at the bottom end of the inner wall of the groove, the bottom end of the hydraulic rod movably connected to the hydraulic cylinder passes through the bracket, the bottom end of the hydraulic rod movably connected to the hydraulic cylinder passes through the chassis body, a threaded round block is fixed at the bottom end of the hydraulic rod, the threaded round block extends into the support plate and is threadedly connected, a fixed plate is fixed on the upper surface of the support plate, one side of the fixed plate is movably connected to a movable plate, and the lower surface of the movable plate is rotatably connected to a drill rod.

[0007] Furthermore, a circular hole 1 is provided at the bottom end of the inner wall of the groove, and the bottom end of the hydraulic rod movably connected to the hydraulic cylinder passes through the circular hole 1. The bottom end of the hydraulic rod movably connected to the hydraulic cylinder passes through the bracket through the circular hole 1.

[0008] Furthermore, a second round hole is provided on the upper surface of the chassis body, and the bottom end of the hydraulic rod movably connected to the hydraulic cylinder passes through the second round hole. The second round hole facilitates the bottom end of the hydraulic rod movably connected to the hydraulic cylinder to pass through the chassis body.

[0009] Furthermore, a long groove is provided on one side of the fixed plate, and a connecting block is inserted into the long groove. A threaded hole is provided on the upper surface of the connecting block, and a round hole three is provided on the upper surface of the fixed plate. A motor one is fixed on the upper surface of the fixed plate, and the bottom end of the transmission shaft provided by the motor one extends into the round hole three. A threaded rod is fixed on the bottom end of the transmission shaft provided by the motor one, and the bottom end of the threaded rod passes through the threaded hole and is threadedly connected. A movable plate is fixed on one side of the connecting block. The threaded rod is fixed by the transmission shaft provided by the motor one, which provides power for the rotation of the threaded rod, so that the connecting block and the movable plate can move up and down as needed, which is convenient for drilling the drill rod into the ground, so that the support plate can be limited to prevent the support plate from sliding when supporting, and the support is unstable.

[0010] Furthermore, a circular hole 4 is formed on the upper surface of the movable plate, a motor 2 is fixed on the upper surface of the movable plate, the bottom end of the transmission shaft of the motor 2 extends into the circular hole 4, and a drill rod is fixed on the bottom end of the transmission shaft of the motor 2. The transmission shaft of the motor 2 drives the drill rod, providing power for the rotation of the drill rod, so that the drill rod can be rotated to drill into the ground, which is convenient for limiting the support plate.

[0011] Furthermore, a through hole is provided on the upper surface of the support plate, and the bottom end of the drill rod passes through the through hole, so that the drill rod can pass through the through hole.

[0012] Furthermore, a threaded circular groove is provided on the upper surface of the support plate, and the threaded circular block extends into the threaded circular groove and is threadedly connected. The threaded circular block extends into the threaded circular groove and is threadedly connected, so that the support plate can be easily installed and disassembled.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is provided with a bracket fixed on the upper surface of the chassis body, a groove is provided at the front end of the bracket, a hydraulic cylinder is fixed at the bottom end of the inner wall of the groove, the bottom end of the hydraulic rod movably connected to the hydraulic cylinder penetrates the bracket, the bottom end of the hydraulic rod movably connected to the hydraulic cylinder penetrates the chassis body, a threaded round block is fixed at the bottom end of the hydraulic rod, the threaded round block extends into the support plate and is threadedly connected, a fixed plate is fixed on the upper surface of the support plate, a movable plate is movably connected to one side of the fixed plate, and a drill rod is rotatably connected to the lower surface of the movable plate. When the height of the excavator chassis needs to be adjusted, the hydraulic cylinder is started, so that the hydraulic rod telescopic chassis is placed on the ground, and the chassis body is raised at the same time, and the motor one is started at the same time, so that the movable plate moves downward, the motor two is started, and the drill rod rotates and drills into the ground, so that the chassis body can be adjusted in height as needed to prevent water from entering the walking device and being damaged, and at the same time, the height adjustment support is made more stable, which is conducive to preventing sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a side view of the walking device of the utility model;

[0016] Figure 3 This is the front view of the chassis of the utility model;

[0017] Figure 4 It is a cross-sectional view of the bracket of the utility model;

[0018] Figure 5 It is a cross-sectional view of the fixing plate of the present utility model.

[0019] In the figure: 1. crawler track; 2. walking device; 3. chassis body; 4. bracket; 5. round hole 2; 6. support plate; 7. hydraulic rod; 8. hydraulic cylinder; 9. groove; 10. round hole 1; 11. through hole; 12. threaded round groove; 13. threaded round block; 14. fixed plate; 15. long groove; 16. threaded rod; 17. threaded hole; 18. connecting block; 19. round hole 3; 20. motor 1; 21. motor 2; 22. moving plate; 23. round hole 4; 24. drill rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4The utility model provides a chassis heightening device for an excavator:

[0022] It includes a crawler 1, a chassis body 3 and a support plate 6. A walking device 2 is fixed on both sides of the chassis body 3. The walking device 2 is sleeved with the crawler 1. A bracket 4 is fixed on the upper surface of the chassis body 3. A groove 9 is opened at the front end of the bracket 4. A hydraulic cylinder 8 is fixed at the bottom end of the inner wall of the groove 9. The bottom end of a hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the bracket 4. The bottom end of the hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the chassis body 3. A threaded round block 13 is fixed at the bottom end of the hydraulic rod 7. The threaded round block 13 extends into the support plate 6 and is threadedly connected. A fixed plate 14 is fixed on the upper surface of the support plate 6. One side of the fixed plate 14 is movably connected to a movable plate 22. The lower surface of the movable plate 22 is rotatably connected to a drill rod 24.

[0023] A circular hole 10 is formed at the bottom of the inner wall of the groove 9, and the bottom end of the hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the circular hole 10;

[0024] A second round hole 5 is provided on the upper surface of the chassis body 3, and the bottom end of the hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the second round hole 5;

[0025] When the height of the excavator chassis needs to be adjusted, the hydraulic cylinder 8 is started to extend and retract the hydraulic rod 7, the support plate 6 moves downward, the support plate 6 contacts the ground, and the chassis body 3 moves upward, so that the height of the chassis body 3 can be adjusted as needed to prevent water from entering the walking device 2 and causing damage.

[0026] See also Figure 5 The utility model provides a chassis heightening device for an excavator:

[0027] It includes a crawler 1, a chassis body 3 and a support plate 6. A walking device 2 is fixed on both sides of the chassis body 3. The walking device 2 is sleeved with the crawler 1. A bracket 4 is fixed on the upper surface of the chassis body 3. A groove 9 is opened at the front end of the bracket 4. A hydraulic cylinder 8 is fixed at the bottom end of the inner wall of the groove 9. The bottom end of a hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the bracket 4. The bottom end of the hydraulic rod 7 movably connected to the hydraulic cylinder 8 passes through the chassis body 3. A threaded round block 13 is fixed at the bottom end of the hydraulic rod 7. The threaded round block 13 extends into the support plate 6 and is threadedly connected. A fixed plate 14 is fixed on the upper surface of the support plate 6. One side of the fixed plate 14 is movably connected to a movable plate 22. The lower surface of the movable plate 22 is rotatably connected to a drill rod 24.

[0028] A long groove 15 is provided on one side of the fixed plate 14, and a connecting block 18 is inserted into the long groove 15. A threaded hole 17 is provided on the upper surface of the connecting block 18. A round hole three 19 is provided on the upper surface of the fixed plate 14. A motor 20 is fixed on the upper surface of the fixed plate 14. The bottom end of the transmission shaft of the motor 20 extends into the round hole three 19. A threaded rod 16 is fixed to the bottom end of the transmission shaft of the motor 20. The bottom end of the threaded rod 16 passes through the threaded hole 17 and is threadedly connected. A movable plate 22 is fixed on one side of the connecting block 18;

[0029] A circular hole 4 23 is formed on the upper surface of the movable plate 22, a motor 21 is fixed on the upper surface of the movable plate 22, the bottom end of the transmission shaft of the motor 21 extends into the circular hole 4 23, and a drill rod 24 is fixed to the bottom end of the transmission shaft of the motor 21;

[0030] A through hole 11 is formed on the upper surface of the support plate 6, and the bottom end of the drill rod 24 passes through the through hole 11;

[0031] A threaded circular groove 12 is formed on the upper surface of the support plate 6, and a threaded circular block 13 extends into the threaded circular groove 12 and is threadedly connected;

[0032] Working principle: when the height of the excavator chassis needs to be adjusted, the chassis body 3 contacts the ground. After the chassis body 3 is adjusted to a suitable height, the motor 1 20 is started to rotate the threaded rod 16, the connecting block 18 and the movable plate 22 can move downward as needed, and the drill rod 24 passes through the through hole 11 opened on the upper surface of the support plate 6. At the same time, the motor 21 is started to rotate the drill rod 24, and the drill rod 24 drills into the ground, so that the support plate 6 can be limited to prevent the support plate 6 from sliding when supporting the excavator and tilting to cause danger.

Claims

1. A chassis heightening device for an excavator, comprising a crawler (1), a chassis body (3) and a support plate (6), characterized in that: Walking devices (2) are respectively fixed on both sides of the chassis body (3), and the walking devices (2) are sleeved with the crawler belt (1); A bracket (4) is fixed on the upper surface of the chassis body (3), a groove (9) is provided at the front end of the bracket (4), a hydraulic cylinder (8) is fixed at the bottom end of the inner wall of the groove (9), the bottom end of a hydraulic rod (7) movably connected to the hydraulic cylinder (8) passes through the bracket (4), the bottom end of a hydraulic rod (7) movably connected to the hydraulic cylinder (8) passes through the chassis body (3), a threaded round block (13) is fixed at the bottom end of the hydraulic rod (7), the threaded round block (13) extends into the support plate (6) and is threadedly connected, a fixed plate (14) is fixed on the upper surface of the support plate (6), one side of the fixed plate (14) is movably connected to a movable plate (22), and the lower surface of the movable plate (22) is rotatably connected to a drill rod (24).

2. The excavator chassis heightening device according to claim 1, characterized in that: A circular hole (10) is provided at the bottom end of the inner wall of the groove (9), and the bottom end of the hydraulic rod (7) movably connected to the hydraulic cylinder (8) passes through the circular hole (10).

3. The excavator chassis heightening device according to claim 2, characterized in that: A second circular hole (5) is provided on the upper surface of the chassis body (3), and the bottom end of a hydraulic rod (7) movably connected to the hydraulic cylinder (8) passes through the second circular hole (5).

4. The excavator chassis heightening device according to claim 3, characterized in that: A long groove (15) is provided on one side of the fixing plate (14), and a connecting block (18) is inserted into the long groove (15). A threaded hole (17) is provided on the upper surface of the connecting block (18). A round hole three (19) is provided on the upper surface of the fixing plate (14). A motor one (20) is fixed on the upper surface of the fixing plate (14). The bottom end of a transmission shaft provided on the motor one (20) extends into the round hole three (19). A threaded rod (16) is fixed on the bottom end of the transmission shaft provided on the motor one (20). The bottom end of the threaded rod (16) passes through the threaded hole (17) and is threadedly connected. A movable plate (22) is fixed on one side of the connecting block (18).

5. The excavator chassis heightening device according to claim 4, characterized in that: A fourth circular hole (23) is provided on the upper surface of the movable plate (22), a second motor (21) is fixed on the upper surface of the movable plate (22), the bottom end of a transmission shaft of the second motor (21) extends into the fourth circular hole (23), and a drill rod (24) is fixed on the bottom end of the transmission shaft of the second motor (21).

6. The excavator chassis heightening device according to claim 5, characterized in that: A through hole (11) is provided on the upper surface of the support plate (6), and the bottom end of the drill rod (24) passes through the through hole (11).

7. The excavator chassis heightening device according to claim 6, characterized in that: The upper surface of the support plate (6) is provided with a threaded circular groove (12), and the threaded circular block (13) extends into the threaded circular groove (12) and is threadedly connected.

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