Road crack repairing device

Abstract

The utility model discloses a road crack repairing device which comprises a movable base, a scraping head is arranged at the front end of the movable base, the scraping head is of a V-shaped structure, and a soft scraping strip is arranged at the bottom end of the scraping head. Rolling wheels are symmetrically arranged on the two sides of the movable base, and a mounting sleeve is obliquely arranged on the top of the movable base. The mounting sleeve is used for mounting a discharging gun of the road crack repairing equipment, and an inclined push rod is arranged on the upper surface of the movable base obliquely backwards; and the mounting sleeve and the inclined push rod are detachably connected with the movable base. And a scraping head is arranged at the front end of the movable base, the scraping head can conduct scraping treatment on materials sprayed out of the discharging gun, so that the purpose of assisting workers to efficiently repair cracks is achieved, meanwhile, the height of the scraping head can be adjusted according to use requirements, the scraping head is also convenient and rapid to disassemble and replace, and the use flexibility of the scraping head is greatly improved. And a compression roller is arranged at the rear end of the movable base, and the scraped repairing material can be compacted through the compression roller.

Description

Technical Field

[0001] The utility model relates to the technical field of road repair, in particular to a road crack repairing device. Background Art

[0002] After a long period of use, a lot of cracks will appear on the road. If the cracks are not repaired, the asphalt or concrete at the cracks will gradually fall off, causing potholes on the road. Therefore, when cracks appear on the road, maintenance personnel are required to repair the cracks, and crack repair equipment is required to repair the cracks.

[0003] The Chinese patent authorization announcement number CN218322294U discloses a road crack repair device, including a base plate, a material pump box, a discharge gun is arranged on the other side of the base plate, a needle port is installed on the top of the discharge gun, and a convenient replacement and cleaning structure is arranged inside the inner fixed tube. The road crack repair device is provided with a material barrel, a guide pipe, a threaded pipe, a feed port and a sealing ring. When in use, the asphalt repair material in the material barrel melts into a liquid state, and the liquid repair material flows into the guide pipe along the feed port and the threaded pipe, is sucked by the discharge pump box and pumped into the discharge gun along the heating pipe, and the operator holds the discharge gun to evenly fill the repair material into the crack, and the sealing ring can prevent the repair material from flowing into the inner fixed tube along the opening. When the material barrel needs to be cleaned or replaced, it is only necessary to loosen the feed port to extract the threaded pipe, and the material barrel loses the restriction and can be lifted out as a whole, realizing the function of convenient cleaning of the interior, and solving the problem that the device does not have the function of convenient cleaning of the interior.

[0004] The road crack repair device provided by the above patent is equipped with a discharge gun. In actual operation, the staff will set a mobile structure at the discharge end of the discharge gun to save manpower, so as to avoid the problem of excessive physical exertion caused by the staff having to lift the discharge gun for a long time. However, the existing discharge gun cannot spread the repair material after discharging the material, and the staff needs to use a scraper or a pressure roller to scrape or flatten the discharged repair material, which results in a low efficiency in repairing road cracks. Utility Model Content

[0005] The utility model aims to provide a road crack repair device, aiming to improve the problem that the discharge gun of the existing road crack repair device cannot spread the repair material after discharging the material, and the staff needs to use a scraper or a pressure roller to scrape or flatten the discharged repair material, resulting in low efficiency in road crack repair.

[0006] The utility model is achieved in this way:

[0007] A road crack repairing device comprises a mobile base, a scraper head is provided at the front end of the mobile base, the scraper head is in a V-shaped structure, and a soft scraper strip is provided at the bottom end of the scraper head; rollers are symmetrically provided on both sides of the mobile base, and a mounting sleeve is obliquely provided on the top of the mobile base; the mounting sleeve is used to install a discharge gun of the road crack repairing equipment, and an oblique push rod is provided on the upper surface of the mobile base obliquely backward; the mounting sleeve and the oblique push rod are both detachably connected to the mobile base.

[0008] Preferably, an oblique support joint is provided on the upper surface of the movable base at an angle backward, a plug hole is provided in the middle of the oblique support joint, and a top screw is provided on the side of the oblique support joint, and the top screw is against the oblique push rod; bearings are symmetrically provided on both sides of the movable base; a mounting platform is provided on the upper surface of the movable base, and a first threaded groove is provided in the middle of the mounting platform; adjustment grooves are symmetrically provided on both sides of the inner front end of the movable base, and the adjustment grooves are longitudinally arranged.

[0009] Preferably, positioning plates are provided on both sides of the top of the scraper head, positioning bolts are provided on the outer sides of the positioning plates, and clamping blocks are provided on the tops of the two side surfaces of the scraper head, and the clamping blocks are connected to the adjustment grooves.

[0010] Preferably, a mounting shaft is provided in the middle of a surface of the roller facing the movable base, and the mounting shaft is interference-connected with the bearing.

[0011] Preferably, a clamping knob and a first stud are provided on the side surface of the mounting sleeve, and the first stud is connected to the first thread groove.

[0012] Preferably, the width and thickness of the bottom end of the oblique push rod match the width and thickness of the plug hole, and a handle is provided at the top end of the oblique support rod.

[0013] Preferably, a through hole is provided on the top of the rear end of the movable base, guide grooves are provided on the rear ends of both sides inside the movable base, a pressure roller is provided between the two guide grooves, a mounting frame is provided on the top of the pressure roller, guide blocks are symmetrically provided on both sides of the mounting frame, the guide blocks are connected to the guide grooves, and a pressure spring is provided in the middle of the upper surface of the mounting frame, a top plate is provided on the top of the pressure spring, a fixing stud is provided on the top of the top plate, the fixing stud passes through the through hole, and a pressure cap is provided at one end of the fixing stud passing through the through hole, and the pressure cap is pressed tightly against the upper surface of the movable base.

[0014] Preferably, a second thread groove is provided on the side of the inclined push rod, a restraining ring is installed in the second thread groove, a limiting pressure plate is provided at the bottom end of the restraining ring, a second stud is provided on the bottom surface of the limiting pressure plate, and the second stud is threadedly connected to the second thread groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. A scraper head is provided at the front end of the mobile base of the utility model, which can scrape and level the material sprayed out by the discharge gun, thereby assisting the staff to repair the cracks efficiently. At the same time, the scraper head can be adjusted in height according to the use requirements, and the scraper head can be easily and quickly disassembled and replaced, which greatly improves the flexibility of the scraper head.

[0017] 2. A pressure roller is provided at the rear end of the mobile base of the utility model, through which the scraped repair material can be compacted to ensure that the repair material sprayed out by the discharge gun can be stabilized at the crack.

[0018] 3. The utility model is provided with a restraining ring on the side of the inclined push rod, through which the material guide pipe can be restrained to ensure that the discharge gun and the material guide pipe are sufficiently stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the mobile base of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the scraper head of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the roller of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the installation sleeve of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the oblique push rod of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the pressing roller of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the restraining ring of the utility model.

[0027] In the figure: 1. movable base; 11. through hole; 12. guide groove; 13. diagonal brace joint; 14. plug-in hole; 15. top screw; 16. mounting table; 17. first thread groove; 18. adjustment groove; 19. bearing; 2. scraper head; 21. soft scraper strip; 22. positioning plate; 23. positioning bolt; 24. clamping block; 3. roller; 31. mounting shaft; 4. mounting sleeve; 41. clamping knob; 42. first stud; 5. oblique push rod; 51. second thread groove; 52. handle; 6. pressure roller; 61. mounting frame; 62. guide block; 63. pressure spring; 64. top plate; 65. fixing stud; 66. pressure cap; 7. restraining ring; 71. limiting pressure plate; 72. second stud. DETAILED DESCRIPTION

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0030] Example 1

[0031] like Figure 1 and Figure 3 As shown, a road crack repair device includes a mobile base 1, a scraper 2 is provided at the front end of the mobile base 1, the scraper 2 is in a V-shaped structure, and a soft scraper strip 21 is provided at the bottom end of the scraper 2; the scraper 2 and the soft scraper strip 21 are convenient for scraping the repair material of the road cracks and ensuring the stable use of the repair material. Rollers 3 are symmetrically provided on both sides of the mobile base 1, and the rollers 3 are used to assist the movement of the entire device to save the physical strength of the workers. And a mounting sleeve 4 is tilted on the top of the mobile base 1; the mounting sleeve 4 is used to install the discharge gun of the road crack repair equipment, and an inclined push rod 5 is tilted backward on the upper surface of the mobile base 1; the mounting sleeve 4 and the inclined push rod 5 are both detachably connected to the mobile base 1; the inclined push rod 5 is used by workers to push the entire device to move, so that the entire device can carry the discharge gun and move along the road cracks, so as to facilitate efficient repair of road cracks.

[0032] like Figure 2 As shown, the upper surface of the mobile base 1 is tilted backward and provided with a diagonal brace joint 13, and a plug hole 14 is provided in the middle of the diagonal brace joint 13. The cooperation between the diagonal brace joint 13 and the plug hole 14 is convenient for the mobile base 1 to be connected and fixed with the diagonal push rod 5. A top screw 15 is provided on the side of the diagonal brace joint 13, and the top screw 15 is against the diagonal push rod 5; the top screw 15 is convenient for fixing the position of the diagonal push rod 5. Bearings 19 are symmetrically provided on both sides of the mobile base 1; the bearings 19 are used for rotational connection with the roller 3. A mounting platform 16 is provided on the upper surface of the mobile base 1, and a first thread groove 17 is provided in the middle of the mounting platform 16; the cooperation between the mounting platform 16 and the first thread groove 17 is convenient for the first thread groove 17 to be connected and fixed with the mounting sleeve 4. Adjustment grooves 18 are symmetrically provided on both sides of the inner front end of the mobile base 1, and the adjustment grooves 18 are arranged longitudinally; the adjustment grooves 18 are convenient for installing the scraper head 2 and adjusting the height of the scraper head 2.

[0033] like Figure 3As shown, positioning plates 22 are provided on both sides of the top of the scraper head 2, and positioning bolts 23 are provided on the outer side of the positioning plates 22. The positioning plates 22 and the positioning bolts 23 facilitate the scraper head 2 to be stabilized on the inner side of the mobile base 1. Blocks 24 are provided on the top of the two sides of the scraper head 2, and the block 24 is connected to the adjustment groove 18; this structure facilitates the scraper head 2 to be adjusted in height and is convenient for the flexible use of the scraper head 2.

[0034] like Figure 4 As shown, a mounting shaft 31 is provided in the middle of one side of the roller 3 facing the movable base 1 , and the mounting shaft 31 is interference-connected with the bearing 19 , so as to facilitate the rotation of the roller 3 .

[0035] like Figure 5 As shown, a clamping knob 41 and a first stud 42 are provided on the side of the mounting sleeve 4, and the first stud 42 is connected to the first threaded groove 17; this structure is convenient for fixing the position of the discharging gun in the mounting sleeve 4, and flexibly connecting and fixing the mounting sleeve 4 to the mobile base 1.

[0036] like Figure 6 As shown, the width and thickness of the bottom end of the inclined push rod 5 match the width and thickness of the plug hole 14, and a handle 52 is provided at the top of the inclined support rod; this structure is convenient for disassembly and assembly of the inclined push rod 5, and also convenient for the staff to hold the handle 52 to push the entire device to move.

[0037] Working principle: When in use, install the discharge gun of the road repair equipment on the inner side of the installation sleeve 4 according to the use requirements, and use the clamping knob 41 to fix the position of the discharge gun; tie the guide tube to the tie ring 7; align the position of the discharge gun with the road crack; then the staff can use the inclined push rod 5 to push the entire equipment to move along the road crack, and during the movement, the road repair material will be injected into the crack and scraped flat by the scraper 2. Compared with the prior art, the front end of the mobile base 1 of the present application is provided with a scraper 2, and the scraper 2 can scrape flat the material sprayed out of the discharge gun, so as to assist the staff to repair the crack efficiently. At the same time, the scraper 2 can be adjusted in height according to the use requirements, and the scraper 2 is also convenient and quick to disassemble and replace, so that the flexibility of the scraper 2 is greatly improved.

[0038] Example 2

[0039] like Figure 1 and Figure 3As shown, a road crack repair device includes a mobile base 1, a scraper 2 is provided at the front end of the mobile base 1, the scraper 2 is in a V-shaped structure, and a soft scraper strip 21 is provided at the bottom end of the scraper 2; the scraper 2 and the soft scraper strip 21 are convenient for scraping the repair material of the road cracks and ensuring the stable use of the repair material. Rollers 3 are symmetrically provided on both sides of the mobile base 1, and the rollers 3 are used to assist the movement of the entire device to save the physical strength of the workers. And a mounting sleeve 4 is tilted on the top of the mobile base 1; the mounting sleeve 4 is used to install the discharge gun of the road crack repair equipment, and an inclined push rod 5 is tilted backward on the upper surface of the mobile base 1; the mounting sleeve 4 and the inclined push rod 5 are both detachably connected to the mobile base 1; the inclined push rod 5 is used by workers to push the entire device to move, so that the entire device can carry the discharge gun and move along the road cracks, so as to facilitate efficient repair of road cracks.

[0040] like Figure 2 As shown, the upper surface of the mobile base 1 is tilted backward and provided with a diagonal brace joint 13, and a plug hole 14 is provided in the middle of the diagonal brace joint 13. The cooperation between the diagonal brace joint 13 and the plug hole 14 is convenient for the mobile base 1 to be connected and fixed with the diagonal push rod 5. A top screw 15 is provided on the side of the diagonal brace joint 13, and the top screw 15 is against the diagonal push rod 5; the top screw 15 is convenient for fixing the position of the diagonal push rod 5. Bearings 19 are symmetrically provided on both sides of the mobile base 1; the bearings 19 are used for rotational connection with the roller 3. A mounting platform 16 is provided on the upper surface of the mobile base 1, and a first thread groove 17 is provided in the middle of the mounting platform 16; the cooperation between the mounting platform 16 and the first thread groove 17 is convenient for the first thread groove 17 to be connected and fixed with the mounting sleeve 4. Adjustment grooves 18 are symmetrically provided on both sides of the inner front end of the mobile base 1, and the adjustment grooves 18 are arranged longitudinally; the adjustment grooves 18 are convenient for installing the scraper head 2 and adjusting the height of the scraper head 2.

[0041] like Figure 3 As shown, positioning plates 22 are provided on both sides of the top of the scraper head 2, and positioning bolts 23 are provided on the outer side of the positioning plates 22. The positioning plates 22 and the positioning bolts 23 facilitate the scraper head 2 to be stabilized on the inner side of the mobile base 1. Blocks 24 are provided on the top of the two sides of the scraper head 2, and the block 24 is connected to the adjustment groove 18; this structure facilitates the scraper head 2 to be adjusted in height and is convenient for the flexible use of the scraper head 2.

[0042] like Figure 4 As shown, a mounting shaft 31 is provided in the middle of one side of the roller 3 facing the movable base 1 , and the mounting shaft 31 is interference-connected with the bearing 19 , so as to facilitate the rotation of the roller 3 .

[0043] like Figure 5 As shown, a clamping knob 41 and a first stud 42 are provided on the side of the mounting sleeve 4, and the first stud 42 is connected to the first threaded groove 17; this structure is convenient for fixing the position of the discharging gun in the mounting sleeve 4, and flexibly connecting and fixing the mounting sleeve 4 to the mobile base 1.

[0044] like Figure 6 As shown, the width and thickness of the bottom end of the inclined push rod 5 match the width and thickness of the plug hole 14, and a handle 52 is provided at the top of the inclined support rod; this structure is convenient for disassembly and assembly of the inclined push rod 5, and also convenient for the staff to hold the handle 52 to push the entire device to move.

[0045] like Figure 2 and Figure 7 As shown, a through hole 11 is provided at the top of the rear end of the mobile base 1, and guide grooves 12 are provided at the rear ends of both sides of the mobile base 1. A pressure roller 6 is provided between the two guide grooves 12. The cooperation of the through hole 11 and the guide groove 12 facilitates the installation and removal of the pressure roller 6 and the use of the pressure roller 6. A mounting frame 61 is provided at the top of the pressure roller 6, and guide blocks 62 are symmetrically provided on both sides of the mounting frame 61. The guide blocks 62 are connected to the guide groove 12. The mounting frame 61 cooperates with the guide blocks 62 to facilitate the stable connection of the pressure roller 6 with the mobile base 1, and the pressure roller 6 can move up and down along the guide groove 12. A pressure spring 63 is provided in the middle of the upper surface of the mounting frame 61, and the pressure spring 63 facilitates the pressure roller 6 to be pressed tightly on the repair agent of the road crack. A top plate 64 is provided at the top of the pressure spring 63, and a fixing stud 65 is provided at the top of the top plate 64. The fixing stud 65 passes through the through hole 11, and a pressure cap 66 is provided at one end of the fixing stud 65 passing through the through hole 11. The pressure cap 66 is pressed tightly against the upper surface of the movable base 1; this structure ensures the stable installation and use of the pressure roller 6.

[0046] Example 3

[0047] like Figure 1 and Figure 3 As shown, a road crack repair device includes a mobile base 1, a scraper 2 is provided at the front end of the mobile base 1, the scraper 2 is in a V-shaped structure, and a soft scraper strip 21 is provided at the bottom end of the scraper 2; the scraper 2 and the soft scraper strip 21 are convenient for scraping the repair material of the road cracks and ensuring the stable use of the repair material. Rollers 3 are symmetrically provided on both sides of the mobile base 1, and the rollers 3 are used to assist the movement of the entire device to save the physical strength of the workers. And a mounting sleeve 4 is tilted on the top of the mobile base 1; the mounting sleeve 4 is used to install the discharge gun of the road crack repair equipment, and an inclined push rod 5 is tilted backward on the upper surface of the mobile base 1; the mounting sleeve 4 and the inclined push rod 5 are both detachably connected to the mobile base 1; the inclined push rod 5 is used by workers to push the entire device to move, so that the entire device can carry the discharge gun and move along the road cracks, so as to facilitate efficient repair of road cracks.

[0048] like Figure 2As shown, the upper surface of the mobile base 1 is tilted backward and provided with a diagonal brace joint 13, and a plug hole 14 is provided in the middle of the diagonal brace joint 13. The cooperation between the diagonal brace joint 13 and the plug hole 14 is convenient for the mobile base 1 to be connected and fixed with the diagonal push rod 5. A top screw 15 is provided on the side of the diagonal brace joint 13, and the top screw 15 is against the diagonal push rod 5; the top screw 15 is convenient for fixing the position of the diagonal push rod 5. Bearings 19 are symmetrically provided on both sides of the mobile base 1; the bearings 19 are used for rotational connection with the roller 3. A mounting platform 16 is provided on the upper surface of the mobile base 1, and a first thread groove 17 is provided in the middle of the mounting platform 16; the cooperation between the mounting platform 16 and the first thread groove 17 is convenient for the first thread groove 17 to be connected and fixed with the mounting sleeve 4. Adjustment grooves 18 are symmetrically provided on both sides of the inner front end of the mobile base 1, and the adjustment grooves 18 are arranged longitudinally; the adjustment grooves 18 are convenient for installing the scraper head 2 and adjusting the height of the scraper head 2.

[0049] like Figure 3 As shown, positioning plates 22 are provided on both sides of the top of the scraper head 2, and positioning bolts 23 are provided on the outer side of the positioning plates 22. The positioning plates 22 and the positioning bolts 23 facilitate the scraper head 2 to be stabilized on the inner side of the mobile base 1. Blocks 24 are provided on the top of the two sides of the scraper head 2, and the block 24 is connected to the adjustment groove 18; this structure facilitates the scraper head 2 to be adjusted in height and is convenient for the flexible use of the scraper head 2.

[0050] like Figure 4 As shown, a mounting shaft 31 is provided in the middle of one side of the roller 3 facing the movable base 1 , and the mounting shaft 31 is interference-connected with the bearing 19 , so as to facilitate the rotation of the roller 3 .

[0051] like Figure 5 As shown, a clamping knob 41 and a first stud 42 are provided on the side of the mounting sleeve 4, and the first stud 42 is connected to the first threaded groove 17; this structure is convenient for fixing the position of the discharging gun in the mounting sleeve 4, and flexibly connecting and fixing the mounting sleeve 4 to the mobile base 1.

[0052] like Figure 6 As shown, the width and thickness of the bottom end of the inclined push rod 5 match the width and thickness of the plug hole 14, and a handle 52 is provided at the top of the inclined support rod; this structure is convenient for disassembly and assembly of the inclined push rod 5, and also convenient for the staff to hold the handle 52 to push the entire device to move.

[0053] like Figure 2 and Figure 7As shown, a through hole 11 is provided at the top of the rear end of the mobile base 1, and guide grooves 12 are provided at the rear ends of both sides of the mobile base 1. A pressure roller 6 is provided between the two guide grooves 12. The cooperation of the through hole 11 and the guide groove 12 facilitates the installation and removal of the pressure roller 6 and the use of the pressure roller 6. A mounting frame 61 is provided at the top of the pressure roller 6, and guide blocks 62 are symmetrically provided on both sides of the mounting frame 61. The guide blocks 62 are connected to the guide groove 12. The mounting frame 61 cooperates with the guide blocks 62 to facilitate the stable connection of the pressure roller 6 with the mobile base 1, and the pressure roller 6 can move up and down along the guide groove 12. A pressure spring 63 is provided in the middle of the upper surface of the mounting frame 61, and the pressure spring 63 facilitates the pressure roller 6 to be pressed tightly on the repair agent of the road crack. A top plate 64 is provided at the top of the pressure spring 63, and a fixing stud 65 is provided at the top of the top plate 64. The fixing stud 65 passes through the through hole 11, and a pressure cap 66 is provided at one end of the fixing stud 65 passing through the through hole 11. The pressure cap 66 is pressed tightly against the upper surface of the movable base 1; this structure ensures the stable installation and use of the pressure roller 6.

[0054] like Figure 6 and Figure 8 As shown, the side of the oblique push rod 5 is provided with a second thread groove 51, and the second thread groove 51 is installed with a restraining ring 7. The second thread groove 51 is convenient for installing the restraining ring 7, and is convenient for disassembly and flexible use of the restraining ring 7. A limiting pressure plate 71 is provided at the bottom end of the restraining ring 7, and a second stud 72 is provided on the bottom surface of the limiting pressure plate 71. The second stud 72 is threadedly connected with the second thread groove 51; the cooperation between the limiting pressure plate 71 and the second stud 72 facilitates the restraining ring 7 to be stabilized on the oblique push rod 5.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A road crack repairing device, comprising a mobile base (1), characterized in that: The front end of the mobile base (1) is provided with a scraper head (2), the scraper head (2) is in a V-shaped structure, and the bottom end of the scraper head (2) is provided with a soft scraper strip (21); rollers (3) are symmetrically provided on both sides of the mobile base (1), and a mounting sleeve (4) is obliquely provided on the top of the mobile base (1); the mounting sleeve (4) is used to install a discharge gun of a road crack repairing device, and an oblique push rod (5) is obliquely provided on the upper surface of the mobile base (1) backward; the mounting sleeve (4) and the oblique push rod (5) are both detachably connected to the mobile base (1).

2. A road crack repairing device according to claim 1, characterized in that: The upper surface of the movable base (1) is provided with an oblique support joint (13) which is inclined backwards, and a plug hole (14) is provided in the middle of the oblique support joint (13), and a top screw (15) is provided on the side of the oblique support joint (13), and the top screw (15) is against the oblique push rod (5); bearings (19) are symmetrically provided on both sides of the movable base (1); a mounting platform (16) is provided on the upper surface of the movable base (1), and a first thread groove (17) is provided in the middle of the mounting platform (16); adjustment grooves (18) are symmetrically provided on both sides of the inner front end of the movable base (1), and the adjustment grooves (18) are arranged longitudinally.

3. A road crack repairing device according to claim 2, characterized in that: Positioning plates (22) are provided on both sides of the top of the scraper head (2), positioning bolts (23) are provided on the outer sides of the positioning plates (22), and clamping blocks (24) are provided on the tops of the two sides of the scraper head (2), and the clamping blocks (24) are connected to the adjustment grooves (18).

4. A road crack repairing device according to claim 2, characterized in that: A mounting shaft (31) is provided in the middle of a side of the roller (3) facing the movable base (1), and the mounting shaft (31) is interference-connected with the bearing (19).

5. A road crack repairing device according to claim 2, characterized in that: A clamping knob (41) and a first stud (42) are provided on the side of the installation sleeve (4), and the first stud (42) is connected to the first thread groove (17).

6. A road crack repairing device according to claim 2, characterized in that: The width and thickness of the bottom end of the oblique push rod (5) match the width and thickness of the plug hole (14), and a handle (52) is provided at the top end of the oblique push rod (5).

7. A road crack repairing device according to any one of claims 1 to 6, characterized in that: A through hole (11) is provided at the top of the rear end of the movable base (1), guide grooves (12) are provided at the rear ends of both sides of the movable base (1), a pressure roller (6) is provided between the two guide grooves (12), a mounting frame (61) is provided at the top of the pressure roller (6), guide blocks (62) are symmetrically provided on both sides of the mounting frame (61), the guide blocks (62) are connected to the guide grooves (12), and a pressure spring (63) is provided in the middle of the upper surface of the mounting frame (61), a top plate (64) is provided at the top of the pressure spring (63), a fixing stud (65) is provided at the top of the top plate (64), the fixing stud (65) passes through the through hole (11), and a pressure cap (66) is provided at one end of the fixing stud (65) passing through the through hole (11), and the pressure cap (66) is pressed tightly against the upper surface of the movable base (1).

8. A road crack repairing device according to any one of claims 1 to 6, characterized in that: A second thread groove (51) is provided on the side of the inclined push rod (5), a restraining ring (7) is installed on the second thread groove (51), a limiting pressure plate (71) is provided at the bottom end of the restraining ring (7), a second stud (72) is provided on the bottom surface of the limiting pressure plate (71), and the second stud (72) is threadedly connected to the second thread groove (51).

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