Road construction tamping device

By designing lifting and buffer components, the problems of large reaction forces and difficulty in control of existing devices have been solved, thereby improving the stability and operational efficiency of the device and reducing the burden on staff.

CN223723544UActive Publication Date: 2025-12-26JIANGXI JIETAI CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202520282787.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-12-26
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The existing road construction compaction equipment exerts a huge reaction force on the workers' arms during use, making it difficult to control and affecting work efficiency.

Method used

The system employs a lifting and buffer assembly, including a motor-driven drive wheel, driven wheel, lead screw, buffer assembly, and compactor. The lead screw drives the compactor to move longitudinally, and the friction of the spring and damping block weakens the reaction force, reducing vibration.

Benefits of technology

It improved the operating efficiency and stability of the equipment, reduced the operational burden on staff, and ensured the normal operation of the equipment and the effect of road compaction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a road construction tamping device, and belongs to the technical field of road construction. Comprising a fixing plate, a lifting assembly and a buffering assembly, the lifting assembly comprises a fixing cover installed at the top of the fixing plate, a motor is fixedly assembled at the top of the fixing cover, a driving wheel is fixedly assembled at the tail end of an output shaft of the motor, and a driven wheel is meshed with the outer wall of the driving wheel. The motor drives the driving wheel to rotate, the driving wheel rotates to drive the four sets of driven wheels to rotate, the driven wheels rotate to drive the lead screw to rotate, the lead screw rotates to drive the buffering assembly and the rammer compactor to move longitudinally, and the height of the device can be adjusted according to different actual road conditions. And meanwhile, the device can be conveniently transferred and operated, the working efficiency of workers is improved, and then the tamping effect on the road surface is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road construction technical field, especially a kind of road construction rammer. BACKGROUND

[0002] During road construction, in order to improve the bearing capacity of the road, prevent road surface cracks, improve the flatness and reduce the muddy phenomenon, it is necessary to compact the road surface.

[0003] One kind of road construction rammer can refer to the utility model patent with Chinese patent announcement No.CN212772293U, which discloses a kind of road construction rammer, including power device, the lower end of power device is provided with device main body, the inside of device main body is provided with vibration rod, the outside surface of vibration rod is provided with telescopic sleeve, the lower end of vibration rod is provided with vibration disc, the inside of vibration disc is hollow and provided with fixed groove, the inside of fixed groove is provided with moving mechanism, moving mechanism includes fixed frame, sliding rail, moving rod, rotating groove, roller, sliding block, air cylinder, telescopic rod.

[0004] However, during actual use of the device, although the device can facilitate the movement of the rammer and does not require manual carrying of the rammer, the existing technology has the problem that the huge reaction force causes great pressure on the arms of the workers, making it difficult for the workers to control the device, which is not conducive to improving work efficiency. Therefore, the present application provides a kind of road construction rammer to meet the needs. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide a kind of road construction rammer to solve the problem that the existing technology has the problem that the huge reaction force causes great pressure on the arms of the workers, making it difficult for the workers to control the device, which is not conducive to improving work efficiency.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A kind of road construction rammer, comprising: fixed plate, and lifting assembly and buffer assembly installed on fixed plate;The lifting assembly includes fixed cover installed on the top of fixed plate, the top of fixed cover is fixedly equipped with motor, the tail end of motor output shaft is fixedly equipped with driving wheel, the outer wall of driving wheel is engaged with driven wheel, the inner wall of driven wheel is fixedly equipped with screw rod, the screw rod penetrates fixed plate, the bottom of fixed plate is fixedly equipped with fixed tube, the end of screw rod away from driven wheel is fixedly connected with fixed tube, the outer wall of fixed tube is provided with through hole, the outer wall of screw rod is threadedly connected with moving ring, the outer wall of moving ring is fixedly equipped with connecting block, and connecting block penetrates through hole.

[0008] Preferably, the buffer assembly comprises a positioning pipe, the inner wall of the positioning pipe is fixedly provided with a spring, the top end of the spring is fixedly provided with a fixed block, the inner wall of the positioning pipe is fixedly provided with a sleeve, the inner wall of the sleeve is slidably connected with a damping block, the top of the damping block is fixedly provided with a moving rod, the top end of the moving rod is fixedly connected with the fixed block, and the outer wall of the fixed block is fixedly provided with a rammer.

[0009] Preferably, the outer wall of the positioning pipe is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a limiting block, and the side, away from the limiting groove, of the limiting block is fixedly connected with the fixed block.

[0010] Preferably, the inner wall of the through hole is fixedly provided with a folded cloth, and the side, away from the through hole, of the folded cloth is fixedly connected with the connecting block.

[0011] Preferably, the outer wall of the fixed cover is fixedly provided with lifting rings, and the number of the lifting rings is two groups.

[0012] Preferably, the bottom of the fixed pipe is fixedly provided with universal wheels, and the outer wall of the fixed plate is fixedly provided with a push rod.

[0013] Preferably, the number of the driven wheels, the lead screws, the fixed pipes and the buffer assemblies is four groups, and the four groups of the driven wheels, the lead screws, the fixed pipes and the buffer assemblies are evenly distributed at the four corners of the fixed plate.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] 1. In the above-mentioned scheme, the motor drives the driving wheel to rotate, the driving wheel drives the four groups of driven wheels to rotate, the driven wheels drive the lead screws to rotate, and the lead screws drive the buffer assembly and the rammer to move longitudinally, which is beneficial to the adjustment of the height of the device according to the actual road conditions, facilitates the transfer and operation of the device, improves the work efficiency of the staff, and further guarantees the ramming effect of the road surface.

[0016] 2. In the above-mentioned scheme, the rammer hammers the road surface, the rammer drives the fixed block to move longitudinally, the fixed block drives the spring to contract and rebound through the longitudinal movement of the fixed block, and the fixed block drives the moving rod and the damping block to slide in the sleeve, the damping block and the inner wall of the sleeve generate frictional force through friction, the spring weakens the reaction force generated by the operation of the rammer, the device reduces vibration during operation, finally reduces the operation burden of the staff, and guarantees the normal operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to make and use the present disclosure.

[0018] Figure 1 Schematic diagram of three-dimensional structure of road construction tamping device;

[0019] Figure 2 Schematic diagram of three-dimensional structure of road construction tamping device from first perspective and sectional view;

[0020] Figure 3 Schematic diagram of three-dimensional structure of road construction tamping device from second perspective and sectional view;

[0021] Figure 4 Schematic diagram of three-dimensional structure of road construction tamping device from second perspective and sectional view; Figure 2 Schematic diagram of three-dimensional structure of road construction tamping device from second perspective and sectional view;

[0022] Figure 5 Schematic diagram of three-dimensional structure of road construction tamping device from second perspective and sectional view; Figure 3 Schematic diagram of three-dimensional structure of road construction tamping device from second perspective and sectional view.

[0023] Reference signs

[0024] 1, fixed plate;

[0025] 2, lifting assembly; 201, fixed cover; 202, motor; 203, driving wheel; 204, driven wheel; 205, screw rod; 206, fixed tube; 207, through hole; 208, moving ring; 209, connecting block; 210, folding cloth; 211, lifting ring; 212, universal wheel; 213, push rod;

[0026] 3, buffer assembly; 301, positioning tube; 302, spring; 303, fixed block; 304, sleeve; 305, damping block; 306, moving rod; 307, tamping machine; 308, limiting groove; 309, limiting block.

[0027] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in this specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and the adjustments or modifications still include in the scope of the appended claims. DETAILED DESCRIPTION

[0028] The road construction tamping device provided by the utility model will be described in detail below in combination with the drawings and specific embodiments. Meanwhile, it should be noted that the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; moreover, the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the utility model.

[0029] As Figure 1 , Figure 3 and Figure 4 indicated, the embodiment of the utility model provides a road construction tamping device, which comprises a fixed plate 1, a lifting assembly 2 and a buffer assembly 3 installed on the fixed plate 1; the lifting assembly 2 comprises a fixed cover 201 installed on the top of the fixed plate 1, a motor 202 for providing driving force is fixedly assembled on the top of the fixed cover 201, a driving wheel 203 is fixedly assembled on the end of the output shaft of the motor 202, a driven wheel 204 is engaged with the outer wall of the driving wheel 203, a lead screw 205 is fixedly assembled on the inner wall of the driven wheel 204, the lead screw 205 penetrates through the fixed plate 1, a fixed tube 206 is fixedly assembled on the bottom of the fixed plate 1, one end of the lead screw 205 away from the driven wheel 204 is fixedly connected with the fixed tube 206, a through hole 207 is formed in the outer wall of the fixed tube 206, a moving ring 208 is threadedly connected with the outer wall of the lead screw 205, a connecting block 209 is fixedly assembled on the outer wall of the moving ring 208, and the connecting block 209 penetrates through the through hole 207; the number of the driven wheel 204, the lead screw 205, the fixed tube 206 and the buffer assembly 3 is four, and the four sets of the driven wheel 204, the lead screw 205, the fixed tube 206 and the buffer assembly 3 are evenly distributed at the four corners of the fixed plate 1; by limiting the number and position of the driven wheel 204, the lead screw 205, the fixed tube 206 and the buffer assembly 3, the stability of the device during lifting is improved, and the buffering effect is also improved.

[0030] As Figure 2 , Figure 4 and Figure 5As shown, the buffer assembly 3 comprises a positioning pipe 301, the inner wall of the positioning pipe 301 is fixedly provided with a spring 302, the top end of the spring 302 is fixedly provided with a fixed block 303, the inner wall of the positioning pipe 301 is fixedly provided with a sleeve 304, the inner wall of the sleeve 304 is slidingly connected with a damping block 305, the top of the damping block 305 is fixedly provided with a moving rod 306, the top end of the moving rod 306 is fixedly connected with the fixed block 303, the outer wall of the fixed block 303 is fixedly provided with a rammer 307, the rammer 307 hammers the road surface, the rammer 307 drives the fixed block 303 to move longitudinally, the longitudinal movement of the fixed block 303 drives the spring 302 to contract and rebound, at the same time, the fixed block 303 pushes the moving rod 306 and the damping block 305 to slide in the sleeve 304, the friction between the damping block 305 and the inner wall of the sleeve 304 generates a friction force, which weakens the reaction force generated by the operation of the rammer 307 in cooperation with the spring 302, thereby reducing the vibration of the device during operation, ultimately reducing the operation burden on the workers and ensuring the normal operation of the device.

[0031] As shown in Figure 2 and Figure 4 , the outer wall of the positioning pipe 301 is provided with a limiting groove 308, the inner wall of the limiting groove 308 is slidingly connected with a limiting block 309, the side of the limiting block 309 away from the limiting groove 308 is fixedly connected with the fixed block 303, by setting the limiting groove 308 and the limiting block 309, the stability of the fixed block 303 during movement is improved, and the normal operation of the buffer assembly 3 is ensured.

[0032] As shown in Figure 2 and Figure 4 , the inner wall of the through hole 207 is fixedly provided with a folded cloth 210, the side of the folded cloth 210 away from the through hole 207 is fixedly connected with the connecting block 209, by setting the folded cloth 210, the through hole 207 is sealed by the folded cloth 210, preventing dust and impurities generated during the operation of the rammer 307 from entering the inside of the fixed pipe 206, thereby affecting the normal use of the lead screw 205 and the moving ring 208.

[0033] As shown in Figure 1 , the outer wall of the fixed cover 201 is fixedly provided with lifting rings 211, the number of the lifting rings 211 is two, by setting the lifting rings 211, the position of the device can be changed through the lifting rings 211, and the convenience of transportation of the device is improved.

[0034] As shown in Figure 2 and Figure 3 , the bottom of the fixed pipe 206 is fixedly provided with universal wheels 212, the outer wall of the fixed plate 1 is fixedly provided with a push rod 213, by setting the universal wheels 212 and the push rod 213, the push rod 213 is pushed to cooperate with the universal wheels 212, which facilitates the movement of the device during operation.

[0035] The technical scheme provided by the utility model, in working, through motor 202 drive driving wheel 203 rotation, through the rotation of driving wheel 203 drive four groups of driven wheel 204 rotation, through the rotation of driven wheel 204 drive screw rod 205 rotation, through the rotation of screw rod 205 drive buffer assembly 3 and rammer 307 longitudinal movement, be favorable to the device according to the actual road condition's different carry out the adjustment on height, convenient for the device to transport and operate simultaneously;

[0036] Through the longitudinal movement of fixed block 303 drive spring 302 shrink and rebound, while fixed block 303 promote moving rod 306 and damping block 305 slide in the sleeve pipe 304, through the inner wall friction of damping block 305 and sleeve pipe 304 produce friction, cooperate spring 302 to the rammer 307 operation produces the counterforce of weakening, and then make the device reduce vibration when running, finally reduce the operation burden of staff, guarantee the normal operation of the device.

[0037] The above is only the preferred embodiment of the utility model, it should be pointed out that for the ordinary skill of the prior art in this technical field, on the premise of not departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. A road construction tamping device, characterized in that Include: Fixed plate (1), and the lifting assembly (2) and the buffer assembly (3) installed on the fixed plate (1); The lifting assembly (2) comprises a fixed cover (201) installed on the top of the fixed plate (1), the top of the fixed cover (201) is fixedly provided with a motor (202), the output shaft of the motor (202) is fixedly provided with a driving wheel (203), the outer wall of the driving wheel (203) is engaged with a driven wheel (204), the inner wall of the driven wheel (204) is fixedly provided with a lead screw (205), the lead screw (205) penetrates the fixed plate (1), the bottom of the fixed plate (1) is fixedly provided with a fixed tube (206), one end of the lead screw (205) away from the driven wheel (204) is fixedly connected with the fixed tube (206), the outer wall of the fixed tube (206) is provided with a through hole (207), the outer wall of the lead screw (205) is threadedly connected with a moving ring (208), the outer wall of the moving ring (208) is fixedly provided with a connecting block (209), and the connecting block (209) penetrates the through hole (207).

2. The road construction tamping device of claim 1, wherein, The buffer assembly (3) comprises a positioning tube (301), the inner wall of the positioning tube (301) is fixedly provided with a spring (302), the top end of the spring (302) is fixedly provided with a fixed block (303), the inner wall of the positioning tube (301) is fixedly provided with a sleeve (304), the inner wall of the sleeve (304) is slidably connected with a damping block (305), the top of the damping block (305) is fixedly provided with a moving rod (306), the top end of the moving rod (306) is fixedly connected with the fixed block (303), and the outer wall of the fixed block (303) is fixedly provided with a rammer (307).

3. The road construction tamping device of claim 2, wherein, The outer wall of the positioning tube (301) is provided with a limiting groove (308), the inner wall of the limiting groove (308) is slidably connected with a limiting block (309), and one side of the limiting block (309) away from the limiting groove (308) is fixedly connected with the fixed block (303).

4. The road construction tamping device of claim 1, wherein, The inner wall of the through hole (207) is fixedly provided with a folding cloth (210), and one side of the folding cloth (210) away from the through hole (207) is fixedly connected with the connecting block (209).

5. The road work tamping device of claim 1, wherein, The outer wall of the fixed cover (201) is fixedly provided with a lifting ring (211), and the number of the lifting ring (211) is two groups.

6. The road work tamping device of claim 1, wherein, The bottom of the fixed tube (206) is fixedly provided with a universal wheel (212), and the outer wall of the fixed plate (1) is fixedly provided with a push rod (213).

7. The road work tamping device of claim 1, wherein, The number of the driven wheel (204), the lead screw (205), the fixed tube (206) and the buffer assembly (3) is four groups, and the four groups of driven wheels (204), lead screws (205), fixed tubes (206) and buffer assemblies (3) are evenly distributed at the four corners of the fixed plate (1).

Citation Information

Patent Citations

  • Road construction tamping device

    CN212772293U