Pavement maintenance crack pouring device
By designing a combination of a trowel plate and an electric push rod for the asphalt grouting device, the problem of uneven and uneven grouting by the asphalt spray gun is solved, uniform grouting and smoothing of the asphalt are achieved, and the grouting quality is improved.
Patent Information
- Application Number
- CN202422173202.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-09-05
AI Technical Summary
When the asphalt spray gun in the existing grouting device is grouting, there are problems such as uneven asphalt, overflow and uneven surface.
A pavement maintenance and grouting device was designed, which includes an asphalt grouting mechanism, a connecting frame and a flattening component. Asphalt is delivered to the spray gun through an asphalt pump, and a trowel and an electric push rod are used to achieve uniform asphalt grouting and flattening.
It achieves uniform asphalt filling and leveling, avoids asphalt overflow and surface unevenness, and improves the quality of filling.
Smart Images

Figure CN223329672U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pavement crack filling devices, and in particular relates to a pavement maintenance crack filling device. Background Art
[0002] Pavement crack filling is a preventive maintenance method. By injecting asphalt sealant into the cracks, it effectively prevents precipitation from penetrating into the surface layer along the cracks and then invading the road base, minimizing the damage caused by rainwater to the road base. It can effectively alleviate the tensile force caused by temperature changes and loads, and effectively prevent loose gravel, dust and other debris from entering the road joints, avoiding cracking and damage to the road surface caused by these debris.
[0003] The conventional grouting device is a grouting machine, which injects asphalt sealant into the cracks through an asphalt spray gun. In the above grouting steps, the asphalt injected by the asphalt spray gun may be uneven. Some parts are injected more and overflow to extend to both sides of the cracks, and some parts are raised. The injected and sprayed asphalt is uneven on the road surface. When the asphalt spray gun injects asphalt, there is a design problem of not injecting asphalt sealant evenly. For this reason, the present application proposes a pavement maintenance grouting device. Utility Model Content
[0004] The purpose of the utility model is to provide a road maintenance grouting device to solve the problem in the above background technology that the asphalt sealant cannot be smoothly poured when the asphalt spray gun pours asphalt.
[0005] To achieve the above purpose, the present invention provides the following technical solutions: a road surface maintenance and crack filling device, comprising
[0006] The asphalt grouting mechanism includes a mobile frame with pulleys installed at the bottom corners, an asphalt barrel installed on the mobile frame, an asphalt pump installed on the mobile frame and connected to the asphalt barrel, and an asphalt spray gun with one end connected to the asphalt pump;
[0007] The connecting frame includes a mounting plate attached to the end of the asphalt spray gun, a fixing column perpendicular to the mounting plate, a connecting rod connected perpendicularly to the fixing column at one end, and a fixing plate connected perpendicularly to the other end of the connecting rod, wherein a trowel plate is provided on the side surface of the fixing plate;
[0008] The flattening assembly includes a fixed cylinder installed at the center of the fixed disk surface, an electric push rod installed inside the fixed cylinder, and a flattening plate connected to the end of the electric push rod passing through the fixed disk.
[0009] Preferably, the cross-section of the mounting plate is an arc shape, the inner diameter of the mounting plate is the same as the outer diameter of one end of the asphalt spray gun, the connecting rod is an "L"-shaped structure, and the flattening plate is a rectangular plate structure.
[0010] Preferably, the trowel plate is fan-shaped, and the cross-section of the trowel plate is curved.
[0011] Preferably, the side of the asphalt spray gun that contacts the road surface is the spraying surface a, the side of the trowel plate that contacts the road surface is the trowel surface b, and the spraying surface a is flush with the trowel surface b.
[0012] Preferably, a support frame is provided on the asphalt spray gun, which includes a stabilizing ring installed on the outside of the end of the asphalt spray gun, a fixing rod connected to the stabilizing ring at one end, an adjusting rod slidably connected to the other end of the fixing rod, and a roller seat installed on the other end of the adjusting rod.
[0013] Preferably, a limiting box is provided on the outside of the top end of the adjusting rod, and a limiting assembly is provided on the limiting box. The limiting assembly includes a limiting rod sliding through the side of the limiting box, a pressure block installed on the limiting rod, and a contraction spring sleeved on the outside of the limiting rod.
[0014] Preferably, both ends of the contraction spring are connected to the pressure block and the inner wall of the limiting box respectively, the limiting rod passes through the fixing rod, and the stabilizing ring is provided with a through hole for the limiting rod to pass through.
[0015] Preferably, the stabilizing ring is provided with a loosening and tightening screw, the roller seat includes an inverted "U"-shaped stabilizing seat and symmetrically distributed moving rollers, and the side position of the moving frame is provided with a handrail.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] In the utility model, the asphalt pump conveys asphalt material to the asphalt spray gun, and sprays it into the inner gap from the outlet of the asphalt spray gun. As the asphalt spray gun moves during the pouring, the fixed plate moves accordingly, the trowel plate can smooth the asphalt, and the electric push rod runs to move the leveling plate vertically downward. The leveling plate can flatten the overflowed part of the poured asphalt to make it in a uniform and flat state. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the top view of the mobile frame of the present invention;
[0020] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;
[0021] Figure 4 This is a schematic cross-sectional view of the fixed cylinder of the present invention;
[0022] Figure 5 For the utility model Figure 1A schematic diagram of the enlarged structure of the middle B part;
[0023] Figure 6 This is a schematic cross-sectional view of the limiting box of the present invention;
[0024] In the figure: 5, limiting box; 11, moving frame; 12, asphalt barrel; 13, asphalt spray gun; 14, asphalt pump; 21, mounting plate; 22, fixing column; 23, connecting rod; 24, fixing plate; 31, fixing cylinder; 32, leveling plate; 33, electric push rod; 41, stabilizing ring; 42, fixing rod; 43, adjusting rod; 44, roller seat; 51, limiting rod; 52, pressure block; 53, contraction spring; 111, handrail; 241, trowel plate. DETAILED DESCRIPTION
[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] Example 1
[0027] See also Figures 1 to 4 The present invention provides a technical solution: a pavement maintenance and grouting device, including an asphalt grouting mechanism, including a mobile frame 11 with pulleys installed at the bottom corner position, an asphalt barrel 12 installed on the mobile frame 11, an asphalt pump 14 installed on the mobile frame 11 and connected to the asphalt barrel 12, and an asphalt spray gun 13 connected to the asphalt pump 14 at one end. The mobile frame 11 is on the ground and can be moved on the road surface to facilitate the grouting of asphalt glue into the cracks in the road surface. The asphalt glue is stored inside the asphalt barrel 12, and the asphalt pump 14 transports the asphalt material to the asphalt spray gun 13 and sprays it from the outlet of the asphalt spray gun 13 into the gap inside. The grouting principle is a conventional technical means and will not be described in detail in this application; the connecting frame includes a connecting frame attached to the end of the asphalt spray gun 13 The mounting plate 21, the fixing column 22 of the vertical mounting plate 21, the connecting rod 23 connected vertically to the fixing column 22 at one end, and the fixing plate 24 connected vertically to the other end of the connecting rod 23. A trowel plate 241 is provided on the side surface of the fixing plate 24. The mounting plate 21 is combined with the asphalt spray gun 13 and the connecting rod 23 by conventional methods. The fixing plate 24 plays the role of supporting the fixing cylinder 31; the flattening assembly includes a fixing cylinder 31 installed at the center position of the surface of the fixing plate 24, an electric push rod 33 installed inside the fixing cylinder 31, and a leveling pressing plate 32 connected to the end of the electric push rod 33 passing through the fixing plate 24. The electric push rod 33 is operated to move the leveling pressing plate 32 vertically downward. The leveling pressing plate 32 can flatten the overflowed part of the poured asphalt to make it in a flat state.
[0028] In this embodiment, the cross-section of the mounting plate 21 is an arc shape, the mounting plate 21 fits tightly against the outer surface of the asphalt spray gun 13, the inner diameter of the mounting plate 21 is the same as the outer diameter of one end of the asphalt spray gun 13, the connecting rod 23 is an "L"-shaped structure, and the leveling pressing plate 32 is a rectangular plate structure. The leveling pressing plate 32 flattens the overflowed part of the poured asphalt to make it in a flat state.
[0029] In this embodiment, the trowel plate 241 is fan-shaped, and the cross-section of the trowel plate 241 is curved. The asphalt spray gun 13 sprays asphalt. The side of the asphalt spray gun 13 that contacts the road surface is the spraying surface a. The side surface of the trowel plate 241 that contacts the road surface is the trowel surface b. The spraying surface a is flush with the trowel surface b. The trowel plate 241 can smooth the asphalt and make it uniform and flat.
[0030] To sum up: the asphalt pump 14 transports asphalt material to the asphalt spray gun 13, and sprays it into the gap inside from the outlet of the asphalt spray gun 13. As the asphalt spray gun 13 moves during the pouring, the fixed plate 24 moves accordingly, the trowel plate 241 can smooth the asphalt, and the electric push rod 33 runs to move the leveling plate 32 vertically downward. The leveling plate 32 can flatten the overflowed part of the poured asphalt to make it in a uniform and flat state.
[0031] Example 2
[0032] See also Figures 1 to 6 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment. In order to save effort in holding the asphalt spray gun 13, a support frame is provided on the asphalt spray gun 13. The support frame supports the asphalt spray gun 13 so that the asphalt spray gun 13 can be held with ease. The support frame includes a stabilizing ring 41 installed on the outer side of the end of the asphalt spray gun 13, a fixing rod 42 connected to the stabilizing ring 41 at one end, an adjusting rod 43 slidably connected to the other end of the fixing rod 42, and a roller seat 44 installed on the other end of the adjusting rod 43. The roller seat 44 is on the ground, and the adjusting rod 43 and The fixed rod 42 supports the asphalt spray gun 13, which can be held with ease. A limiting box 5 is provided on the outside of the top of the adjusting rod 43, and a limiting assembly is provided on the limiting box 5. The limiting assembly includes a limiting rod 51 that slides through the side of the limiting box 5, a pressure block 52 installed on the limiting rod 51, and a contraction spring 53 that is sleeved on the outside of the limiting rod 51. The limiting rod 51 passes through the fixed rod 42, so that the positions of the fixed rod 42 and the adjusting rod 43 are fixed. The heights of the fixed rod 42 and the adjusting rod 43 can be adjusted to adapt to operators of different heights.
[0033] In this embodiment, the two ends of the contraction spring 53 are respectively connected to the pressure block 52 and the inner wall of the limiting box 5, the limiting rod 51 passes through the fixed rod 42, and the stabilizing ring 41 is provided with a through hole for the limiting rod 51 to pass through. The limiting rod 51 passes through the fixed rod 42, so that the positions of the fixed rod 42 and the adjusting rod 43 are fixed. The heights of the fixed rod 42 and the adjusting rod 43 can be adjusted to adapt to the use of operators of different heights. The stabilizing ring 41 is provided with a loose and tightening hand screw. The roller seat 44 includes an inverted "U"-shaped stabilizing seat and symmetrically distributed moving rollers, which are conducive to moving on the road. A handrail 111 is provided on the side of the mobile frame 11 to facilitate moving the mobile frame 11.
[0034] To sum up: the support frame supports the asphalt spray gun 13 so that the asphalt spray gun 13 can be held with less effort, and the limiting rod 51 is pulled outward, the contraction spring 53 is in a contracted state, the position of the adjusting rod 43 is changed, and the limiting rod 51 is loosened. The limiting rod 51 passes through the fixed rod 42, so that the positions of the fixed rod 42 and the adjusting rod 43 are fixed. The heights of the fixed rod 42 and the adjusting rod 43 can be adjusted to adapt to operators of different heights.
[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A road maintenance and grouting device, characterized by: include The asphalt grouting mechanism comprises a mobile frame (11) with pulleys installed at the bottom corners, an asphalt barrel (12) installed on the mobile frame (11), an asphalt pump (14) installed on the mobile frame (11) and connected to the asphalt barrel (12), and an asphalt spray gun (13) with one end connected to the asphalt pump (14); The connecting frame comprises a mounting plate (21) attached to the end of the asphalt spray gun (13), a fixing column (22) perpendicular to the mounting plate (21), a connecting rod (23) vertically connected to the fixing column (22) at one end, and a fixing plate (24) vertically connected to the other end of the connecting rod (23), wherein a trowel plate (241) is provided on the side surface of the fixing plate (24); The flattening assembly comprises a fixed cylinder (31) installed at the center of the surface of the fixed disk (24), an electric push rod (33) installed inside the fixed cylinder (31), and a flattening plate (32) connected to the end of the electric push rod (33) passing through the fixed disk (24).
2. A pavement maintenance and grouting device according to claim 1, characterized in that: The cross section of the mounting plate (21) is in an arc shape, the inner diameter of the mounting plate (21) is the same as the outer diameter of one end of the asphalt spray gun (13), the connecting rod (23) is an "L"-shaped structure, and the flattening plate (32) is a rectangular plate structure.
3. A pavement maintenance and grouting device according to claim 1, characterized in that: The trowel plate (241) is fan-shaped, and the cross section of the trowel plate (241) is curved.
4. A pavement maintenance and grouting device according to claim 1, characterized in that: The side of the asphalt spray gun (13) that contacts the road surface is a spraying surface a, and the side of the trowel plate (241) that contacts the road surface is a trowel surface b, and the spraying surface a is flush with the trowel surface b.
5. The pavement maintenance and crack filling device according to claim 1, characterized in that: A support frame is provided on the asphalt spray gun (13), and the support frame comprises a stabilizing ring (41) mounted on the outer side of the end of the asphalt spray gun (13), a fixing rod (42) connected to the stabilizing ring (41) at one end, an adjusting rod (43) slidably connected to the other end of the fixing rod (42), and a roller seat (44) mounted on the other end of the adjusting rod (43).
6. A pavement maintenance and grouting device according to claim 5, characterized in that: A limiting box (5) is provided on the outer side of the top end of the regulating rod (43), and a limiting assembly is provided on the limiting box (5), the limiting assembly comprising a limiting rod (51) slidingly passing through the side of the limiting box (5), a pressing block (52) installed on the limiting rod (51), and a contraction spring (53) sleeved on the outer side of the limiting rod (51).
7. A pavement maintenance and crack filling device according to claim 6, characterized in that: The two ends of the contraction spring (53) are respectively connected to the pressure block (52) and the inner wall of the limiting box (5); the limiting rod (51) passes through the fixing rod (42); and the stabilizing ring (41) is provided with a through hole for the limiting rod (51) to pass through.
8. A pavement maintenance and grouting device according to claim 7, characterized in that: The stabilizing ring (41) is provided with a loosening hand screw, the roller seat (44) comprises an inverted "U"-shaped stabilizing seat and symmetrically distributed moving rollers, and a handrail (111) is provided on the side of the moving frame (11).