Tamping device for highway construction

By designing a compacting device for road construction with a motor-driven rotating shaft and screw, the problem of existing devices shaking during compacting operations is solved, stability and safety are improved, and dust pollution is reduced through the vacuum cleaner mechanism.

CN222499904UActive Publication Date: 2025-02-18朱明昊
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Patent Information

Application Number
CN202420946881.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-02-18
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The existing compaction device for highway construction is prone to shake during compaction operations, affecting operation efficiency and safety, and easily poses safety hazards.

Method used

A compaction device including a base, pillar, mounting box, motor, rotary shaft, screw, synchronous pulley and moving wheel is designed. The rotary shaft and screw are driven to rotate through the motor, and the movable plate and moving wheel are moved upward, so that the support and Ground abutment improves the stability of the device.

Benefits of technology

It effectively improves the stability of compacting operations, reduces safety risks, improves the safety of the device, and reduces the impact of dust on the environment and health through the vacuum cleaner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tamping device for highway construction. The tamping device comprises a base, supporting columns are arranged at the bottom of the base; a mounting box is arranged at the top of the base; a fixing plate is arranged in the mounting box; a first motor is arranged at the top of the mounting box; a first motor output end is provided with a rotating shaft; screw rods are symmetrically arranged on two sides of the rotating shaft; the screw rod is rotationally connected into the mounting box; a second synchronous pulley is arranged on each screw rod; two first synchronous belt wheels are arranged on the rotating shaft; each second synchronous belt wheel is connected with the corresponding first synchronous belt wheel through a synchronous belt; each lead screw is in threaded connection with a threaded sleeve. The outer side of each threaded sleeve is sleeved with a movable plate. A movable column is arranged at the bottom of each movable plate; and a moving wheel is arranged at the bottom of each movable column. The first motor drives the moving wheels to move upwards until the moving wheels are separated from the ground, the supporting columns abut against the ground, and therefore the stability of the device during tamping operation can be effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of highway construction, and more specifically to a tamping device for highway construction. Background Art

[0002] Highway engineering refers to the survey, measurement, design, construction, maintenance, and management of highway structures. Highway engineering structures include: roadbed, pavement, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, as well as houses, workshops, and other service facilities used for construction, maintenance, and monitoring. In the process of highway construction, compaction equipment is often needed to compact the land.

[0003] A Chinese utility model patent with announcement number CN216551457U discloses a compaction device for highway construction, including a device main body and a compaction hammer. A support frame is installed on the top of the device main body, a hydraulic cylinder is installed on the top of the support frame, a connecting plate is connected to the output end of the hydraulic cylinder, limiting sliders are installed on both sides of the connecting plate, a buffer spring is arranged at the bottom end of the connecting plate, a groove is arranged at the top of the compaction hammer, and slide grooves are arranged on both sides of the groove. Four sets of pulleys in a rectangular array are arranged on both sides of the bottom end of the device main body. The utility model moves the entire device to a suitable position for compaction operation by pushing the handle and the pulley; through the arrangement of the connecting plate, the limiting sliding block, the sliding groove and the buffer spring, the damage to the hydraulic cylinder caused by the reverse impact force generated by the compaction hammer hitting the ground when the compaction hammer performs compaction operation on the ground, thereby greatly ensuring the service life of the hydraulic cylinder; through the arrangement of the water storage tank, the connecting water pipe and the water spraying flower, watering operation can be carried out while the compaction operation is being performed, thereby reducing the flying dust caused by the compaction operation, thereby greatly ensuring the health of the staff and reducing the harm to the environment.

[0004] The technical solution disclosed in the above patent can facilitate the movement of the device by setting a pulley at the bottom of the device body. However, the compaction device is prone to shaking during compaction operations, which affects the efficiency and effect of the compaction operation and is prone to safety hazards.

[0005] Therefore, how to provide a compaction device for highway construction that can improve the stability of the compaction operation process is one of the technical problems that urgently need to be solved in this field. Utility Model Content

[0006] In view of this, the utility model provides a tamping device for highway construction, the purpose of which is to solve the problems existing in the prior art.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] A tamping device for highway construction comprises: a base; a pillar is provided at the bottom of the base; a mounting box is provided at the top of the base; a fixed plate is provided inside the mounting box; a first motor is provided at the top of the mounting box; a rotating shaft is provided at the output end of the first motor; the other end of the rotating shaft is rotatably connected to the fixed plate; screw rods are symmetrically provided on both sides of the rotating shaft; one end of the screw rod is rotatably connected to the top wall of the mounting box, and the other end of the screw rod is rotatably connected to the bottom wall of the mounting box; each of the screw rods is provided with a second synchronous pulley; two first synchronous pulleys are provided on the rotating shaft; each of the second synchronous pulleys is connected to the corresponding first synchronous pulley through a synchronous belt; each of the screw rods is threadedly connected to a threaded sleeve; a movable plate is sleeved on the outer side of each threaded sleeve; a movable column is provided at the bottom of each movable plate; a moving wheel is provided at the bottom of each movable column; a first through slot for the moving wheel to pass through is opened on the bottom; and a tamping mechanism is provided inside the mounting box.

[0009] Preferably, the tamping mechanism includes a second motor, a crankshaft, a movable push rod and a tamping block; two mounting plates are provided at the bottom of the fixed plate; the crankshaft is rotatably connected between the two mounting plates; one end of the crankshaft is connected to the output end of the second motor; the second motor is arranged on the outside of one of the mounting plates; a guide seat is provided at the top of the base; a guide groove is provided in the guide seat; the tamping block is slidably arranged in the guide groove; one end of the movable push rod is movably connected to the crankshaft, and the other end of the movable push rod is movably connected to the top of the tamping block; a second through groove corresponding to the guide groove is provided on the base.

[0010] Preferably, a dust suction mechanism is provided on the base; the dust suction mechanism includes an exhaust fan, a dust box, a filter plate, an air suction pipe and an exhaust pipe; the dust box is arranged on the top of the base, and the dust box is located outside the installation box; the exhaust pipe is arranged on the top of the dust box; the exhaust fan is arranged on the exhaust pipe; the filter plate is arranged inside the dust box; one end of the air suction pipe is connected to the lower part of the dust box, and the other end of the air suction pipe passes through the base and extends to the bottom of the base.

[0011] Preferably, a dust hood is provided at the bottom of the base; and the suction pipe extends from one end away from the dust box into the dust hood.

[0012] Preferably, an air duct is provided inside the dust hood; the air duct is connected end to end; the air duct is fixedly connected to the bottom of the base; the end of the suction duct away from the dust box is connected to the top of the air duct; and a plurality of air guide holes connected to the interior of the air duct are evenly distributed on the bottom of the air duct.

[0013] Preferably, a slot is provided on a side of the dust box away from the installation box; and the filter plate is movably plugged into the dust box through the slot.

[0014] Preferably, a sealing plate is provided on a side of the filter plate away from the installation box; and a first handle is provided on a side of the sealing plate away from the filter plate.

[0015] Preferably, a second handle is provided on the outer side wall of the installation box.

[0016] Compared with the prior art, the utility model has achieved the following technical effects:

[0017] 1) The utility model drives the rotating shaft to rotate through the first motor, and the rotating shaft drives two screws to rotate through the first synchronous pulley, the synchronous belt and the second synchronous pulley; the screw drives the movable plate to move upward through the threaded sleeve, the movable plate drives the movable column to move upward, and the movable column drives the movable wheel to move upward, so that the pillar abuts against the ground, which can effectively improve the stability of the device, thereby reducing safety hazards and improving the safety of the device;

[0018] 2) The exhaust fan of the utility model sucks the dust generated by the compaction operation into the dust collection box through the suction pipe, and uses the filter plate to retain the dust in the dust collection box, thereby preventing the dust from affecting the working environment and the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a result schematic diagram of a compaction device for highway construction according to the utility model;

[0020] Figure 2 for Figure 1 A partial enlarged view of part A;

[0021] Figure 3 is an internal cross-sectional view of the installation box;

[0022] In the figure: 1. base; 2. pillar; 3. installation box; 4. fixed plate; 5. first motor; 6. rotating shaft; 7. screw rod; 8. second synchronous pulley; 9. first synchronous pulley; 10. synchronous belt; 11. threaded sleeve; 12. movable plate; 13. movable column; 14. moving wheel; 15. first through groove; 16. second motor; 17. crankshaft; 18. movable push rod; 19. tamping block; 20. installation plate; 21. guide seat; 22. guide groove; 23. exhaust fan; 24. dust box; 25. filter plate; 26. suction pipe; 27. exhaust pipe; 28. dust hood; 29. ​​air guide pipe; 30. air guide hole; 31. sealing plate; 32. first handle; 33. second handle; 34. first slider; 35. first slide groove. DETAILED DESCRIPTION

[0023] 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.

[0024] Example

[0025] Reference Figure 1-3 As shown, the utility model discloses a tamping device for highway construction, comprising: a base 1; four pillars 2 are arranged at the bottom of the base 1; the four pillars 2 are evenly distributed at the bottom of the base 1; a mounting box 3 is arranged at the top of the base 1; a fixing plate 4 is arranged inside the mounting box 3; a first motor 5 is arranged at the middle position of the top of the mounting box 3; a rotating shaft 6 is arranged at the output end of the first motor 5; the other end of the rotating shaft 6 is rotatably connected to the fixing plate 4; screw rods 7 are arranged on both sides of the rotating shaft 6; two screw rods 7 are symmetrically arranged on both sides of the rotating shaft 6; one end of the screw rod 7 is rotatably connected to the top wall of the mounting box 3 , and the other end of the screw rod 7 passes through the fixed plate 4 and is rotatably connected to the inner bottom wall of the installation box 3; each screw rod 7 is provided with a second synchronous pulley 8; two first synchronous pulleys 9 are provided on the rotating shaft 6; each second synchronous pulley 8 is connected to the corresponding first synchronous pulley 9 through a synchronous belt 10; a threaded sleeve 11 is threadedly connected to each screw rod 7; a movable plate 12 is fixedly sleeved on the outer side of each threaded sleeve 11; two movable columns 13 are provided at the bottom of each movable plate 12, and the two movable columns 13 are symmetrically arranged along the central axis of the screw rod 7; each movable column 13 are provided with a moving wheel 14 at the bottom; a first through slot 15 is opened on the bottom for the moving wheel 14 to pass through; the number of the first through slots 15 is the same as that of the moving wheels 14, and they are arranged one by one; a tamping mechanism is arranged inside the installation box 3 for tamping operation; when in use, after the device is moved to the position to be tamped by the moving wheel 14, the first motor 5 is started to rotate forward, the first motor 5 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the two screw rods 7 to rotate through the first synchronous pulley 9, the synchronous belt 10 and the second synchronous pulley 8; the screw rod 7 is connected to the threaded sleeve 1 1 drives the movable plate 12 to move upward, the movable plate 12 drives the movable column 13 to move upward, the movable column 13 drives the moving wheel 14 to move upward, until the moving wheel 14 is separated from the ground, and the pillar 2 is in contact with the ground, which effectively improves the stability of the device. Then, the compaction operation is performed through the compaction mechanism. When the device needs to be moved, the first motor 5 is reversed to drive the moving wheel 14 to move downward. When the moving wheel 14 contacts the ground, it continues to move downward until the pillar 2 is separated from the ground, and the device can be moved to the next compaction position. The operation is simple and convenient.

[0026] In this embodiment, the tamping mechanism includes a second motor 16, a crankshaft 17, a movable push rod 18 and a tamping block 19; two mounting plates 20 are provided in the middle position at the bottom of the fixed plate 4; the two ends of the crankshaft 17 are rotatably connected to the inner sides of the two mounting plates 20 respectively; one end of the crankshaft 17 is connected to the output end of the second motor 16; the second motor 16 is arranged on the outer side of a mounting plate 20; a guide seat 21 is provided at the top of the base 1; a guide groove 22 penetrating the guide seat 21 is provided in the guide seat 21; the tamping block 19 is slidably arranged in the guide groove 22; one end of the movable push rod 18 is rotatably connected to the crankshaft 17, and the other end of the movable push rod 18 is rotatably connected to the top of the tamping block 19; a second through groove corresponding to the guide groove 22 is provided on the base 1 to facilitate the passage of the tamping block 19; when in use, the crankshaft 17 is driven to rotate by the second motor 16, and the crankshaft 17 drives the tamping block 19 to move up and down through the movable push rod 18, so that the road surface can be compacted.

[0027] In this embodiment, a dust suction mechanism is provided on the base 1; the dust suction mechanism includes an exhaust fan 23, a dust suction box 24, a filter plate 25, an air suction pipe 26 and an exhaust pipe 27; the dust suction box 24 is arranged on the top of the base 1, and the dust suction box 24 is located outside the installation box 3; the exhaust pipe 27 is arranged on the top of the dust suction box 24; the exhaust fan 23 is arranged on the exhaust pipe 27; the exhaust fan 23 is fixedly connected to the outer wall of the installation box 3 through a fixing frame; the filter plate 25 is arranged inside the dust suction box 24; the filter plate 25 is provided with filter holes; one end of the air suction pipe 26 is connected to the lower part of the dust suction box 24, and the other end of the air suction pipe 26 passes through the base 1 and extends to the bottom of the base 1; when performing compaction operation, the exhaust fan 23 is turned on, and the exhaust fan 23 sucks the dust generated by the compaction operation into the dust suction box 24 through the air suction pipe 26, and uses the filter plate 25 to keep the dust in the dust suction box to avoid the dust from affecting the working environment and the health of the staff.

[0028] In this embodiment, a one-way valve is provided on the air suction pipe 26 to prevent dust from being discharged from the dust collection box 24 through the air suction pipe 26 .

[0029] In this embodiment, a dust hood 28 is provided at the bottom of the base 1; the suction pipe 26 extends into the dust hood 28 away from one end of the dust box 24; the second through groove is located inside the dust hood 28; by providing the dust hood, dust splashing can be better prevented.

[0030] In this embodiment, an air duct 29 is provided inside the dust hood 28; the air duct 29 is connected end to end to form an annular structure, so that the air duct 29 surrounds the outer peripheral side of the second through groove to facilitate the passage of the tamping block 19; the air duct 29 is fixedly connected to the bottom of the base 1 through a connecting rod; the end of the suction duct 26 away from the dust box 24 is connected to the top of the air duct 29; a plurality of air guide holes 30 connected to the inside of the air duct 29 are evenly distributed on the bottom of the air duct 29; by providing the air duct 29 and the air guide holes 30, the dust collection efficiency and dust collection effect can be improved.

[0031] In this embodiment, a slot is provided on the side of the dust box 24 away from the installation box 3; the filter plate 25 is movably inserted into the dust box 24 through the slot; when in use, it is convenient to remove the filter plate 25 for installation and disassembly, thereby facilitating the removal of the filter plate 25 for cleaning.

[0032] In this embodiment, a sealing plate 31 is provided on a side of the filter plate 25 away from the installation box 3 ; a first handle 32 is provided on a side of the sealing plate 31 away from the filter plate 25 .

[0033] In this embodiment, second sliders are provided on both sides of the filter plate 25; a second slide groove matched with the second slider is provided on the inner wall of the dust box 24; the second slider is slidably arranged in the second slide groove to guide and limit the filter plate.

[0034] In this embodiment, a first connecting seat is provided on both sides of the sealing plate 31; a second connecting seat corresponding to the first connecting seat is provided on the dust box 24; pin holes are provided on the first connecting seat and the second connecting seat; a pin shaft is inserted into the pin hole; through the cooperation of the pin shaft and the pin hole, the filter plate can be fixed and disassembly and assembly are convenient.

[0035] In this embodiment, a second handle 33 is provided on the outer side wall of the installation box 3 to facilitate moving the device through the second handle 33 .

[0036] In this embodiment, each movable plate 12 is provided with a first slider 34 on both sides; a first slide groove 35 adapted to the first slider 34 is provided on the inner wall of the installation box 3; the number of the first sliders 34 and the first slide grooves 35 are the same, and are arranged one by one; each first slider 34 is slidably connected to the corresponding first slide groove 35, so as to improve the stability of the movable plate 12 during the movement process.

[0037] In this embodiment, the moving wheel 14 is a universal wheel.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A compaction device for highway construction, characterized in that: include: A base (1); a support (2) is provided at the bottom of the base (1); a mounting box (3) is provided at the top of the base (1); a fixing plate (4) is provided inside the mounting box (3); a first motor (5) is provided at the top of the mounting box (3); a rotating shaft (6) is provided at the output end of the first motor (5); the other end of the rotating shaft (6) is rotatably connected to the fixing plate (4); screw rods (7) are symmetrically provided on both sides of the rotating shaft (6); one end of the screw rod (7) is rotatably connected to the top wall of the mounting box (3), and the other end of the screw rod (7) is rotatably connected to the bottom wall of the mounting box (3); each screw rod (7) is provided with a second A synchronous pulley (8); two first synchronous pulleys (9) are arranged on the rotating shaft (6); each of the second synchronous pulleys (8) is connected to the corresponding first synchronous pulley (9) through a synchronous belt (10); each of the screw rods (7) is threadedly connected with a threaded sleeve (11); a movable plate (12) is sleeved on the outer side of each threaded sleeve (11); a movable column (13) is arranged at the bottom of each movable plate (12); a moving wheel (14) is arranged at the bottom of each movable column (13); a first through groove (15) is opened on the bottom for the moving wheel (14) to pass through; a tamping mechanism is arranged inside the installation box (3).

2. A compaction device for highway construction according to claim 1, characterized in that: The tamping mechanism comprises a second motor (16), a crankshaft (17), a movable push rod (18) and a tamping block (19); two mounting plates (20) are provided at the bottom of the fixed plate (4); the crankshaft (17) is rotatably connected between the two mounting plates (20); one end of the crankshaft (17) is connected to the output end of the second motor (16); the second motor (16) is arranged on the outside of one of the mounting plates (20); a guide seat (21) is provided at the top of the base (1); a guide groove (22) is provided in the guide seat (21); the tamping block (19) is slidably arranged in the guide groove (22); one end of the movable push rod (18) is movably connected to the crankshaft (17), and the other end of the movable push rod (18) is movably connected to the top of the tamping block (19); a second through groove corresponding to the guide groove (22) is provided on the base (1).

3. A compaction device for highway construction according to claim 1, characterized in that: The base (1) is provided with a dust suction mechanism; the dust suction mechanism comprises an exhaust fan (23), a dust suction box (24), a filter plate (25), an air suction pipe (26) and an air exhaust pipe (27); the dust suction box (24) is arranged on the top of the base (1), and the dust suction box (24) is located outside the installation box (3); the air exhaust pipe (27) is arranged on the top of the dust suction box (24); the exhaust fan (23) is arranged on the air exhaust pipe (27); the filter plate (25) is arranged inside the dust suction box (24); one end of the air suction pipe (26) is connected to the lower part of the dust suction box (24), and the other end of the air suction pipe (26) passes through the base (1) and extends to the bottom of the base (1).

4. A compaction device for highway construction according to claim 3, characterized in that: A dust cover (28) is provided at the bottom of the base (1); the suction pipe (26) extends from one end away from the dust box (24) into the dust cover (28).

5. A compaction device for highway construction according to claim 4, characterized in that: An air guide duct (29) is provided inside the dust cover (28); the air guide duct (29) is connected end to end; the air guide duct (29) is fixedly connected to the bottom of the base (1); the end of the air suction duct (26) away from the dust box (24) is connected to the top of the air guide duct (29); and a plurality of air guide holes (30) are evenly distributed at the bottom of the air guide duct (29) and are in communication with the inside of the air guide duct (29).

6. A compaction device for highway construction according to claim 5, characterized in that: A slot is provided on a side of the dust collection box (24) away from the installation box (3); the filter plate (25) is movably plugged into the dust collection box (24) through the slot.

7. A compaction device for highway construction according to claim 6, characterized in that: A sealing plate (31) is provided on the side of the filter plate (25) away from the installation box (3); and a first handle (32) is provided on the side of the sealing plate (31) away from the filter plate (25).

8. A compaction device for highway construction according to claim 1, characterized in that: A second handle (33) is provided on the outer side wall of the installation box (3).

Citation Information

Patent Citations

  • Tamping device for highway construction

    CN216551457U