A curb replacement device

By setting up a clamp assembly and a lift assembly in the curb replacement device, the problem of difficulty in applying downward pressure and excessive screw load-bearing of existing devices is solved, and the stability and efficiency of curb replacement are achieved.

CN222730296UActive Publication Date: 2025-04-08GUANGZHOU ZHICHENG PLANNING & EXPLORATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421511659.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-04-08
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

During the use of existing curb replacement devices, it is difficult to effectively apply downward pressure, resulting in unstable curb during replacement, increasing the workload of staff, and the screw load-bearing is too large and it is easy to break, affecting the replacement efficiency.

Method used

By setting up a clamp assembly and a lifting assembly, the clamp assembly drives the screw to rotate through a motor, adjusts the spacing of the clamping plates, and realizes clamping and relaxation of curbs; the lifting assembly moves the mounting frame and clamping assembly up and down through a hydraulic cylinder, and applies downward pressure to ensure stable curbs.

Benefits of technology

It effectively improves the functionality and stability of the curb replacement device, reduces the amount of operation of staff, and improves the efficiency and safety of curb replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for replacing curbstones, and relates to the technical field of municipal engineering. The utility model comprises a bracket, and a clamping plate assembly is symmetrically arranged on the lower surface of a placement frame movably arranged on the side wall of the bracket, and a connecting plate in the clamping plate assembly is movably arranged below the placement frame, and a guide rod is symmetrically connected to the inner top of a groove provided on the lower surface of the connecting plate, and a reset spring is sleeved on the peripheral side wall of the guide rod, and a clamping plate is arranged on the lower surface of the connecting plate, and a strip plate fixed on the clamping plate is slidably connected to the inside of the groove, and the lower end of the guide rod passes through the strip plate. The utility model is provided with a clamping plate assembly, which is convenient for clamping the curbstone and applying downward pressure to the curbstone, thereby increasing the functionality of the curbstone replacement device, and a lifting assembly is arranged, which effectively improves the carrying capacity of the curbstone replacement device on the curbstone, prevents the curbstone from falling during transportation, and improves the stability and safety of the curbstone replacement.
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Description

Technical Field

[0001] The utility model belongs to the technical field of municipal engineering, in particular to a curbstone replacement device. Background Art

[0002] The main function of the curb is to separate roads, protect roads and their ancillary facilities, and promote drainage; the curb, also known as the curb or side stone, is a marker stone set up between the road surface and other structures. It is mainly used between the dividing strip and the road surface of urban roads, and between the sidewalk and the road surface. Since the curb is external, it will be damaged by the natural environment, and staff are required to operate the curb replacement device to replace the damaged curb.

[0003] After searching, a patent document with patent announcement number CN215104494U discloses a device for replacing curbstones for municipal road reconstruction, including a bottom plate, a push handle frame and a universal wheel are installed at the rear end and the bottom end of the bottom plate respectively, a mounting frame is provided at the front end of the bottom plate, a top plate is fixed at the top end of the mounting frame, a motor is provided on the bottom plate, the output end of the motor is connected to a screw through a coupling, the top end of the screw is connected to the top plate through a bearing, a movable plate is sleeved on the outside of the screw, one end of the movable plate passes through the mounting frame and is located on the outside of the mounting frame, a fixed seat is fixed at one end of the movable plate located on the outside of the mounting frame, a transverse slide groove is provided on the fixed seat, a slider is penetrated in the transverse slide groove on the fixed seat, and a clamping block is fixedly connected at one end of the slider located on the outside of the fixed seat. The device for replacing curbstones for municipal road reconstruction can conveniently replace curbstones, reduce the workload of construction personnel, and improve work efficiency.

[0004] However, it still has the following disadvantages in actual use:

[0005] The existing curb replacement device, during use, controls the cylinder to adjust the distance between the two clamping blocks to clamp and loosen the curb, which is convenient for replacing the curb, but is not convenient for applying downward pressure to the curb. The staff needs to control the device to apply downward pressure to the curb to stably place the curb on the road surface, which increases the workload of the staff and reduces the functionality of the existing curb replacement device.

[0006] 2. In the existing curb replacement device, during use, the motor is controlled to drive the screw to rotate, the height of the movable plate, the height of the clamping block, and the height of the curb after clamping are adjusted. However, due to the heavy weight of the curb and the small bearing capacity of the red teeth on the screw, the red teeth on the screw may even break due to excessive load, which brings inconvenience to the transportation of the curb and affects the replacement efficiency of the curb.

[0007] To this end, we provide a curb replacement device to solve the above-mentioned problems. Utility Model Content

[0008] The utility model aims to provide a curb replacement device, which solves the problems of single functionality of existing curb replacement devices and stability components of curb replacement by arranging a clamping plate assembly and a lifting assembly.

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The camshaft is an axially movable frame, and the camshaft has a groove for movement to move the guide rails and the guide rails to move relative to the bottom of the frame.

[0011] The utility model is further configured such that a lead screw is connected for internal rotation of the mounting frame, a motor connected to the end of the lead screw is connected to the outer wall of the mounting frame, ball nuts are symmetrically connected to the peripheral side walls of the lead screw, the ball nuts are embedded in the side walls of a connecting plate, sliders are symmetrically fixed to the connecting plate, and the two sliders are slidably connected to sliding grooves symmetrically opened on the inner top of the mounting frame.

[0012] The utility model is further configured such that the placement frame is U-shaped and the slide groove is U-shaped.

[0013] The utility model is further configured that the fixed shafts connected in a ring array on the lower surface of the placement seat are hollow in structure, and the movable shafts sleeved inside the fixed shafts are connected to the placement frame.

[0014] The utility model is further configured that the guide rails symmetrically connected on the side walls of the bracket are T-shaped, the guide grooves symmetrically opened on the side walls of the placement frame are T-shaped, and the guide rails are slidably connected to the guide grooves.

[0015] The utility model is further configured that a movable component is provided at the lower part of the side wall of the bracket away from the placement plate, a base plate in the movable component is connected to the lower part of the side wall of the placement plate, an armrest is connected to the base plate, and the lower end of the support foot connected at the corner of the lower surface of the base plate is connected to a wheel.

[0016] The utility model is further configured that four supporting legs are provided, the lower surface of the base plate is connected with a counterweight plate, and the height of the lower surface of the counterweight plate is higher than the height of the lower ends of the supporting legs.

[0017] The utility model is further configured such that a dust box and a dust pump are connected to the base plate, a connecting pipe connected to the lower surface of the dust pump is connected to the side wall of the dust box, an end of the connecting pipe connected to the dust pump passes through the upper surface of the mounting bracket, and an end of the connecting pipe connected to the dust pump is connected to a dust hood, and a through groove is opened on the side wall of the bracket.

[0018] The utility model has the following beneficial effects:

[0019] The utility model sets a clamping plate assembly, controls the motor to drive the lead screw to rotate, adjusts the distance between the two ball nuts, and adjusts the distance between the two clamping plates to achieve the clamping and loosening of the curb stone, and controls the lifting assembly to move the connecting plate downward, the reset spring contracts, and the extrusion plate squeezes the curb stone downward, so that the curb stone is stably placed on the ground, and the functionality of the curb stone replacement device is improved.

[0020] The utility model provides a lifting assembly and starts the hydraulic cylinder to extend or contract the hydraulic rod, so that the mounting frame moves up and down, the clamping plate assembly moves up and down, and the curb stone clamped between the clamping plate assemblies is adjusted to move up and down, so as to transport and replace the curb stone, effectively improving the load-bearing capacity of the curb stone replacement device for the curb stone, improving the stability of the curb stone during transportation, and improving the safety when replacing the curb stone.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0023] Figure 1 A three-dimensional diagram of a curb replacement device Figure 1 ;

[0024] Figure 2 A three-dimensional diagram of a curb replacement device Figure 2 ;

[0025] Figure 3It is a schematic diagram of the structural decomposition of the splint assembly;

[0026] Figure 4 It is a schematic diagram of the connection between the mounting frame and the connecting plate;

[0027] Figure 5 It is a schematic diagram of the exploded view of the mounting frame and the bracket.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1- bracket, 101- slot, 102- guide rail, 2- lifting assembly, 201- placement plate, 201a- placement seat, 202- hydraulic cylinder, 202a- hydraulic rod, 203- fixed axis, 203a- movable axis, 3- clamping plate assembly, 301- placement frame, 301a- slide groove, 301b- guide groove, 302- connecting plate, 302a- extrusion plate, 302b- rubber pad, 302c- groove, 302d- slider , 303- clamping plate, 303a- strip plate, 304- motor, 304a- lead screw, 304b- ball nut, 305- guide rod, 305a- return spring, 305b- limit nut, 4- moving component, 401- base plate, 401a- counterweight plate, 401b- handrail, 402- support foot, 402a- wheel, 403- dust box, 403a- dust suction pump, 403b- connecting pipe, 403c- dust hood. DETAILED DESCRIPTION

[0030] 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 of 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. Specific embodiments

[0031] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model is a curb replacement device, comprising a bracket 1, a clamping plate assembly 3 is arranged on the side wall of the bracket 1, and the clamping plate assembly 3 includes a connecting plate 302, an extrusion plate 302a, a groove 302c, a clamping plate 303, a strip plate 303a, a guide rod 305, a reset spring 305a and a limit nut 305b. When the extrusion plate 302a moves downward, the reset spring 305a contracts, and the extrusion plate 302a moving downward applies downward pressure to the curb, so that the curb is stably plugged into the ground, thereby improving the functionality of the curb replacement device;

[0032] Specifically, a mounting frame 301 is movably provided on the side wall of the bracket 1, and a lead screw 304a is rotatably connected to the inside of the mounting frame 301, and a motor 304 is connected to the end of the lead screw 304a, and the motor 304 is connected to the outer wall of the mounting frame 301, and a ball nut 304b is connected to the peripheral side wall of the lead screw 304a, and a connecting plate 302 is sleeved on the peripheral side wall of the ball nut 304b, and a slider 302d is fixed to the connecting plate 302, and a slide groove 301a is provided in the inner fixed part of the mounting frame 301, and the slider 302d is slidably connected to the slide groove 301a, and the lower part of the connecting plate 302 The inner top of the groove 302c provided on the surface is connected with a guide rod 305, and a return spring 305a is sleeved on the peripheral side wall of the guide rod 305. A strip plate 303a is fixedly connected to the clamping plate 303, and the strip plate 303a is movably inserted in the groove 302c. The lower end of the guide rod 305 passes through the strip plate 303a, and a limiting nut 305b is threadedly connected on the peripheral side wall of the guide rod 305. The limiting nut 305b is set on the lower surface of the strip plate 303a. The lower part of the inner side wall of the connecting plate 302 is fixedly connected with an extrusion plate 302a, and a rubber pad 302b is set on the lower surface of the extrusion plate 302a.

[0033] Furthermore, the mounting frame 301 is U-shaped, the two ball nuts 304b are symmetrically arranged, the two connecting plates 302 are symmetrically arranged, the two sliders 302d are symmetrically arranged, the two slide grooves 301a are symmetrically opened, and the two guide rods 305 are symmetrically arranged;

[0034] The operation process of this embodiment is: start the motor 304, the screw 304a rotates, and when the two ball nuts 304b move toward each other, the distance between the two connecting plates 302 decreases, and the two clamping plates 303 gradually clamp the curbstone until the clamping plates 303 clamp the curbstone, and the broken curbstone is taken out from the ground; according to the above steps, the new curbstone is placed on the road surface to complete the replacement of the curbstone. After the curbstone is placed on the road surface, the lifting assembly 2 is controlled to move the placement frame 301 downward, the connecting plate 302 moves downward, and the extrusion plate 302a moves downward. The extrusion plate 302a applies downward pressure to the curbstone, so that the curbstone is stably plugged into the ground. Specific embodiments

[0035] See also Figure 1 , Figure 2 and Figure 5On the basis of the first specific embodiment, a lifting assembly 2 is provided, which includes a placement plate 201, a placement seat 201a, a hydraulic cylinder 202, a hydraulic rod 202a, a fixed shaft 203 and a movable shaft 203a. By starting the hydraulic cylinder 202 to extend or contract the hydraulic rod 202a, the placement frame 301 is moved up and down, and the height of the clamping plate 303 is adjusted, which is beneficial to improving the bearing capacity of the curb replacement device on the curb, improving the stability of the curb during transportation, and improving the safety of the curb during replacement;

[0036] Specifically, the placement plate 201 is connected to the upper part of the side wall of the bracket 1, the placement seat 201a is connected to the lower surface of the placement plate 201, the lower surface of the placement seat 201a is connected to the hydraulic cylinder 202, the hydraulic rod 202a connected to the lower end of the hydraulic cylinder 202 is connected to the placement frame 301, the lower surface of the placement seat 201a is connected to the fixed shaft 203, the lower end of the movable shaft 203a sleeved inside the fixed shaft 203 is connected to the placement frame 301, the side wall of the placement frame 301 is provided with a guide groove 301b, the side wall of the bracket 1 is connected to the guide rail 102, and the guide rail 102 is slidably connected to the guide groove 301b;

[0037] Furthermore, the fixed shaft 203 is hollow, and the three fixed shafts 203 are arranged in a ring array, the guide groove 301b is T-shaped, and the two guide grooves 301b are symmetrically opened, the guide rail 102 is T-shaped, and the two guide rails 102 are symmetrically arranged;

[0038] The operation process of this embodiment is as follows: the staff starts the hydraulic cylinder 202, and when the hydraulic rod 202a extends, the movable shaft 203a moves downward, the guide groove 301b moves downward along the guide rail 102, and the mounting frame 301 moves downward, so that the clamping plate assembly 3 moves downward until the clamping plate 303 contacts the ground, and the clamping plate 303 is controlled to clamp the curb; when the hydraulic rod 202a contracts, the clamping plate 303 drives the curb to move upward, and the curb is transported by the curb replacement device. Specific embodiments

[0039] See also Figure 1 and Figure 2 On the basis of the specific embodiment 1 and the specific embodiment 2, a moving assembly 4 is provided, and the moving assembly 4 includes a base plate 401, a counterweight plate 401a, a handrail 401b, a support leg 402 and a wheel 402a. The wheel 402a cooperates with the handrail 401b to facilitate the adjustment of the position of the curb replacement device on the road surface, and facilitate the transportation and replacement of the curb;

[0040] Specifically, the base plate 401 is connected to the lower part of the side wall of the bracket 1, and the base plate 401 is far away from the placement plate 201. The base plate 401 is connected to a dust suction pump 403a, a dust collection box 403 and an armrest 401b. The connecting pipe 403b connected to the lower surface of the dust suction pump 403a is connected to the side wall of the dust collection box 403. The end of the connecting pipe 403b connected to the dust suction pump 403a is connected to a dust collecting cover 403c, and the dust collecting cover 403c is connected to the inner top of the placement frame 301. The side wall of the bracket 1 is provided with a through groove 101. The lower surface of the base plate 401 is connected to a support leg 402, and the lower end of the support leg 402 is connected to a wheel 402a. The lower surface of the base plate 401 is connected to a counterweight plate 401a.

[0041] Furthermore, there are four wheels 402a, and the four wheels 402a are arranged in a rectangular array;

[0042] The operation process of this embodiment is: the staff pushes the handrail 401b, the wheel 402a moves, the base plate 401 moves, the curb replacement device moves on the road surface, and drives the clamped curb to move; when the staff starts the dust suction pump 403a, the dust passes through the dust collecting hood 403c, the connecting pipe 403b and the dust suction pump 403a and enters the interior of the dust collecting box 403.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A kerb replacement device, comprising a bracket (1), characterized in that: A clamping plate assembly (3) is symmetrically arranged on the lower surface of a mounting frame (301) movably arranged on the side wall of the bracket (1); a connecting plate (302) in the clamping plate assembly (3) is movably arranged below the mounting frame (301); a guide rod (305) is symmetrically connected to the inner top of a groove (302c) provided on the lower surface of the connecting plate (302); a return spring (305a) is sleeved on the peripheral side wall of the guide rod (305); and a clamping plate assembly (302) is symmetrically arranged on the lower surface of the connecting plate (302). A clamping plate (303) is provided, a strip plate (303a) fixed to the clamping plate (303) is slidably connected to the inside of the groove (302c), the lower end of the guide rod (305) passes through the strip plate (303a), a limit nut (305b) threadedly connected to the peripheral side wall of the guide rod (305) is disposed against the lower surface of the strip plate (303a), and a rubber pad (302b) is provided on the lower surface of the extrusion plate (302a) fixed to the lower part of the side wall of the connecting plate (302); The placement frame (301) is provided with a lifting assembly (2); a placement plate (201) in the lifting assembly (2) is connected to a side wall of the bracket (1); a placement seat (201a) connected to the lower surface of the placement plate (201) has a lower surface connected to a hydraulic cylinder (202); and a hydraulic rod (202a) connected to the lower end of the hydraulic cylinder (202) is connected to the placement frame (301).

2. A curb replacement device according to claim 1, characterized in that: The mounting frame (301) is internally rotatably connected to a lead screw (304a); a motor (304) connected to the end of the lead screw (304a) is connected to the outer side wall of the mounting frame (301); ball nuts (304b) are symmetrically connected to the peripheral side wall of the lead screw (304a); the ball nuts (304b) are embedded in the side wall of the connecting plate (302); sliding blocks (302d) are symmetrically fixed to the connecting plate (302); and the two sliding blocks (302d) are slidably connected to sliding grooves (301a) symmetrically opened on the inner top of the mounting frame (301).

3. A curb replacement device according to claim 2, characterized in that: The placement frame (301) is U-shaped, and the sliding groove (301a) is U-shaped.

4. A curb replacement device according to claim 1, characterized in that: The fixed shafts (203) connected in a ring array on the lower surface of the placement seat (201a) are hollow in structure, and the movable shafts (203a) sleeved inside the fixed shafts (203) are connected to the placement frame (301).

5. The curb replacement device according to claim 1, characterized in that: The guide rails (102) symmetrically connected on the side walls of the bracket (1) are in a T-shape, and the guide grooves (301b) symmetrically opened on the side walls of the placement frame (301) are in a T-shape, and the guide rails (102) are slidably connected to the guide grooves (301b).

6. A curb replacement device according to claim 5, characterized in that: A moving assembly (4) is arranged at the lower part of the side wall of the bracket (1) away from the placement plate (201); a base plate (401) in the moving assembly (4) is connected to the lower part of the side wall of the placement plate (201); a handrail (401b) is connected to the base plate (401); and a wheel (402a) is connected to the lower end of a support foot (402) connected to a corner of the lower surface of the base plate (401).

7. A curb replacement device according to claim 6, characterized in that: Four supporting legs (402) are provided, and a counterweight plate (401a) is connected to the lower surface of the base plate (401), and the height of the lower surface of the counterweight plate (401a) is higher than the height of the lower end of the supporting legs (402).

8. A curb replacement device according to claim 6, characterized in that: The base plate (401) is connected to a dust collecting box (403) and a dust suction pump (403a); a connecting pipe (403b) connected to the lower surface of the dust suction pump (403a) is connected to the side wall of the dust collecting box (403); an end of the connecting pipe (403b) connected to the dust suction pump (403a) passes through the upper surface of the mounting frame (301); and an end of the connecting pipe (403b) connected to the dust suction pump (403a) is connected to a dust collecting hood (403c); and a through groove (101) is provided on the side wall of the bracket (1).

Citation Information

Patent Citations

  • Kerb replacing device for municipal road reconstruction

    CN215104494U