CN221663370U

CN221663370U - Pavement grooving device

Info

Publication number: CN221663370U
Application number: CN202323433288.5U
Authority: CN
Inventors: 刘伟
Original assignee: Jining City Highway Management Bureau Rencheng Highway Bureau
Current assignee: Jining City Highway Management Bureau Rencheng Highway Bureau
Priority date: 2023-12-16
Filing date: 2023-12-16
Publication date: 2024-09-06
Anticipated expiration: 2033-12-16

Abstract

The utility model discloses a pavement grooving device, which belongs to the technical field of pavement construction, and solves the problems that when the radius of a cutter disc of the existing device is fixed and the depth of a crack is larger than that of the cutter disc, the cutter discs with different sizes are required to be replaced and the use is troublesome, and the pavement grooving device comprises a grooving assembly, wherein the grooving assembly comprises a double-shaft hydraulic cylinder driven by a motor, the output end of the double-shaft hydraulic cylinder is provided with external threads and sleeved with arc-shaped grooving cutters, the arc surfaces of the grooving cutters are provided with twenty first grooves which are uniformly distributed, four evenly distributed's second recess has been seted up at the both ends of fluting sword, through the interval of controlling biax pneumatic cylinder adjustment two fluting sword according to the degree of depth of crack to the crack of adaptation different degree of depth carries out the slot cutting, and it is simple convenient to use, and first recess and second recess have been seted up respectively to fluting sword's both ends and cambered surface, make fluting sword's both ends and cambered surface be the cockscomb structure, reached the purpose of being convenient for cut open the road surface.

Description

Pavement grooving device

Technical Field

The utility model relates to the technical field of pavement construction, in particular to a pavement grooving device.

Background

The pavement is a layered structure which is layered by various road building materials or mixtures and is paved on a highway subgrade for vehicles to run, the pavement is rolled by the vehicles for a long time, cracks are easy to appear, regular grooves are cut along the cracks by a grooving machine, and then repair materials are poured.

According to the search, in the application with the patent application number of CN202121200728.0, a pavement finishing grooving device is disclosed, which comprises horizontal wing plates outwards arranged at the bottom ends of two side walls of an n-shaped support, vertical through grooves are correspondingly formed in the middle of the two side walls, a push rod is fixed behind the top of the n-shaped support, a cutter disc is provided with a central hole and a plurality of positioning holes encircling the periphery of the central hole at equal angles, a fixed cutter holder and a movable cutter holder are clamped at two sides of the cutter disc, a driving shaft is arranged at the outer side of the fixed cutter holder and extends out of the corresponding vertical through grooves to be coaxially fixed with a motor, a positioning plate is fixedly matched with two guide posts on the horizontal wing plates in a sliding manner, a driven shaft is arranged at the outer side of the movable cutter holder and extends out of a support plate through the corresponding vertical through grooves, the vertical insertion plate is vertically inserted between two slots on the horizontal wing plates, the height of the cutter disc is controlled through a lifting mechanism, and a slag blocking plate is vertically inserted in front of the n-shaped support;

Although the pavement finishing grooving device is clamped and positioned through the cutter disc through the cooperation of the fixed cutter holder and the movable cutter holder, the cutter disc of the pavement finishing grooving device is fixed in radius, and when the depth of a crack is greater than the radius of the cutter disc, the cutter discs with different sizes are required to be replaced, so that the pavement finishing grooving device is more troublesome to use.

Therefore, we propose a pavement grooving apparatus.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a pavement grooving device, which solves the problems that when the radius of a cutter disc of the conventional device is fixed and the depth of a crack is larger than that of the cutter disc, the cutter discs with different sizes need to be replaced and the use is more troublesome.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the pavement grooving device comprises a bottom plate, wherein supporting plates are fixedly arranged on two sides of the top surface of the bottom plate;

a yielding groove is formed in the middle of the top surface of the bottom plate in a penetrating manner, and a slotting component is arranged above the yielding groove;

The grooving assembly comprises a double-shaft hydraulic cylinder driven by a motor, an external thread is arranged at the output end of the double-shaft hydraulic cylinder, an arc grooving cutter is sleeved on the external thread, twenty first grooves which are uniformly distributed are formed in the arc surface of the grooving cutter, and four second grooves which are uniformly distributed are formed in the two ends of the grooving cutter.

Preferably, the lateral wall of backup pad is equipped with the connecting rod through race swivel mount, the lateral wall fixed mounting of backup pad has the motor, the output of motor runs through the lateral wall fixedly connected with connecting rod of backup pad, wherein, drives the connecting rod through the motor and rotates.

Preferably, the connecting rod is kept away from the fixed mounting plate of backup pad one end fixed mounting and biax pneumatic cylinder surface laminating, four mounting holes that array distributes have been run through on the surface of mounting plate, the screw hole corresponding with the mounting hole position has been seted up to biax pneumatic cylinder's side, and the inside thread bush of mounting hole and screw hole is equipped with the bolt, wherein, through pass the inside at the screw hole with the bolt first and thread bush again to install the mounting plate in biax pneumatic cylinder's side, when motor drive connecting rod is rotatory, can drive biax pneumatic cylinder and the slotting cutter of output together rotate then.

Preferably, the top surface fixed mounting of bottom plate has the dust guard, the fluting subassembly is located the inside of dust guard, wherein, can avoid the rubble sediment that produces when fluting subassembly cutting ground to splash everywhere through the dust guard, leads to the condition emergence of accidentally injuring the pedestrian.

Preferably, four corners of the bottom surface of the bottom plate are fixedly provided with four traveling wheels with opposite positions, wherein the bottom plate can move on the ground conveniently through the traveling wheels.

Preferably, a handle is fixedly arranged on one side of the top surface of the bottom plate, and the bottom plate is conveniently pushed by the handle.

The utility model provides a pavement grooving device. The beneficial effects are as follows:

1. According to the pavement grooving device, the distance between the two grooving cutters is adjusted by controlling the double-shaft hydraulic cylinder according to the depth of the crack, so that the grooving device is suitable for grooving of cracks with different depths, the use is simple and convenient, the first grooves and the second grooves are respectively formed at the two ends and the cambered surface of the grooving cutter, the two ends and the cambered surface of the grooving cutter are in a zigzag shape, the purpose of conveniently cutting the pavement is achieved, the problem that when the depth of the crack is larger than the radius of the cutter, the cutter with different sizes needs to be replaced, and the use is troublesome is solved;

2. The pavement grooving device is characterized in that the grooving cutter is sleeved on the output end of the double-shaft hydraulic cylinder through threads of the grooving cutter, so that the grooving cutter is convenient to detach for maintenance or replacement, and the double-shaft hydraulic cylinder and the mounting disc are mounted together through bolts, so that the double-shaft hydraulic cylinder is convenient to detach for maintenance.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic diagram of a slotting component according to the present utility model;

fig. 4 is a schematic diagram of the structure of fig. 3 at a.

In the figure: 1. a bottom plate; 11. a handle; 12. a walking wheel; 13. a relief groove; 2. a support plate; 3. a slotting component; 31. a connecting rod; 32. a motor; 33. a mounting plate; 34. a double-shaft hydraulic cylinder; 35. a mounting hole; 36. a threaded hole; 37. a bolt; 38. grooving cutter; 39. a first groove; 310. a second groove; 4. a dust-proof plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: as shown in fig. 1-4: the pavement cutting machine comprises a bottom plate 1, support plates 2 are fixedly arranged on two sides of the top surface of the bottom plate 1, a yielding groove 13 is formed in the middle of the top surface of the bottom plate 1 in a penetrating manner, a slotting component 3 is arranged above the yielding groove 13, the slotting component 3 comprises a double-shaft hydraulic cylinder 34 driven by a motor 32, an external thread is formed at the output end of the double-shaft hydraulic cylinder 34, an arc-shaped slotting cutter 38 is sleeved on the output end of the double-shaft hydraulic cylinder in a threaded manner, twenty uniformly-distributed first grooves 39 are formed in the cambered surface of the slotting cutter 38, four uniformly-distributed second grooves 310 are formed in the two ends of the slotting cutter 38, a connecting rod 31 is sleeved on the side wall of the support plate 2 in a rotating manner through a bearing ring, a motor 32 is fixedly arranged on the side wall of the support plate 2, the output end of the motor 32 penetrates through the side wall of the support plate 2, and the connecting rod 31 is fixedly connected with the output end of the motor 32, so that the interval of the two slotting cutters 38 is adjusted according to the depth of a crack, and the crack of different depths is used for conducting groove cutting, and the slotting cutter is simple and convenient to use, and the two ends and cambered surfaces of the slotting cutter 38 are respectively provided with the first grooves 39 and the second grooves 310;

Example 2: as shown in fig. 1-3: the mounting plate 33 attached to the surface of the double-shaft hydraulic cylinder 34 is fixedly arranged at one end of the connecting rod 31 far away from the supporting plate 2, four mounting holes 35 distributed in an array manner are formed in the surface of the mounting plate 33 in a penetrating manner, threaded holes 36 corresponding to the positions of the mounting holes 35 are formed in the side surfaces of the double-shaft hydraulic cylinder 34, bolts 37 are sleeved on the inner threads of the mounting holes 35 and the threaded holes 36, the grooving cutter 38 is sleeved on the output end of the double-shaft hydraulic cylinder 34 in a threaded manner, so that the grooving cutter 38 is convenient to detach for maintenance or replacement, the double-shaft hydraulic cylinder 34 and the mounting plate 33 are mounted together through the bolts 37, and the double-shaft hydraulic cylinder 34 is convenient to detach for maintenance;

Example 3: as shown in fig. 1-2: the top surface fixed mounting of bottom plate 1 has dust guard 4, and fluting subassembly 3 is located the inside of dust guard 4, and four corners fixed mounting of bottom plate 1 bottom surface has four walking wheels 12 that the position is relative, and one side fixed mounting of bottom plate 1 top surface has handle 11, can avoid the rubble sediment that produces when fluting subassembly 3 cuts ground to splash everywhere through dust guard 4, leads to the condition emergence of accidentally injuring the pedestrian, is convenient for bottom plate 1 remove on ground through walking wheel 12, is convenient for promote bottom plate 1 through handle 11.

The working principle and the using flow of the utility model are as follows: when the pavement grooving device is used, firstly, the bottom plate 1 is pushed to the upper side of a pavement crack, the yielding groove 13 is located right above the crack, then the double-shaft hydraulic cylinder 34 is started to push the grooving cutter 38 at the output end of the double-shaft hydraulic cylinder until the grooving cutter 38 is in contact with the bottom surface, the motor 32 can be started to drive the connecting rod 31 to rotate, then the double-shaft hydraulic cylinder 34 and the grooving cutter 38 at the output end of the double-shaft hydraulic cylinder are driven to rotate together, grooving can be carried out on the bottom surface, and the slow outward extension of the output end of the double-shaft hydraulic cylinder 34 can be controlled in the grooving process until the length of the output end of the double-shaft hydraulic cylinder 34 reaches the predicted depth of the groove.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The pavement grooving device comprises a bottom plate (1), wherein supporting plates (2) are fixedly arranged on two sides of the top surface of the bottom plate (1);

The method is characterized in that: a yielding groove (13) is formed in the middle of the top surface of the bottom plate (1) in a penetrating manner, and a slotting component (3) is arranged above the yielding groove (13);

The slotting component (3) comprises a double-shaft hydraulic cylinder (34) driven by a motor (32), an external thread is arranged at the output end of the double-shaft hydraulic cylinder (34), an arc-shaped slotting cutter (38) is sleeved with the external thread, twenty first grooves (39) which are uniformly distributed are formed in the arc surface of the slotting cutter (38), and four second grooves (310) which are uniformly distributed are formed in the two ends of the slotting cutter (38).

2. The pavement grooving apparatus according to claim 1, wherein: the lateral wall of backup pad (2) rotates cover through the race and connects pole (31), the lateral wall fixed mounting of backup pad (2) has motor (32), the output of motor (32) runs through lateral wall fixedly connected with connecting pole (31) of backup pad (2).

3. The pavement grooving apparatus according to claim 2, wherein: one end fixed mounting that backup pad (2) was kept away from to connecting rod (31) has mounting plate (33) with biax pneumatic cylinder (34) surface laminating, four mounting holes (35) that array distributes have been run through on the surface of mounting plate (33), screw hole (36) corresponding with mounting hole (35) position are seted up to the side of biax pneumatic cylinder (34), and the inside thread bush of mounting hole (35) and screw hole (36) is equipped with bolt (37).

4. The pavement grooving apparatus according to claim 1, wherein: the top surface fixed mounting of bottom plate (1) has dust guard (4), fluting subassembly (3) are located the inside of dust guard (4).

5. The pavement grooving apparatus according to claim 1, wherein: four corners of the bottom surface of the bottom plate (1) are fixedly provided with four travelling wheels (12) with opposite positions.

6. The pavement grooving apparatus according to claim 1, wherein: a handle (11) is fixedly arranged on one side of the top surface of the bottom plate (1).