Cracked asphalt repair cart

By introducing an arc frame and ball guide assembly on the crack asphalt repair cart, the problem of injection device offset is solved, ensuring that the asphalt material is accurately injected into the cracks, reducing waste and improving the repair effect. Combined with the jet cleaning and leveling mechanism, the neatness and material utilization rate are improved.

CN116815600BActive Publication Date: 2025-09-26DONGMING COUNTY TRANSPORTATION BUREAU
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Patent Information

Application Number
CN202310307887.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-28
Publication Date
2025-09-26
Estimated Expiration
2043-03-28

AI Technical Summary

Technical Problem

When the existing crack asphalt repair cart turns, the injection device is easily offset from the crack, resulting in the asphalt material not being able to fully enter the crack, affecting the repair effect and causing waste.

Method used

It adopts a filling mechanism with an arc frame and ball guide assembly. The arm rod and guide ball are driven by a rotating motor to align the discharge pipe with the crack, ensuring that the asphalt material is accurately injected into the crack. It is also equipped with an air jet cleaning assembly and a leveling mechanism to improve the repair effect.

Benefits of technology

It achieves precise injection of asphalt materials during the steering process, reduces waste, improves repair effects, and improves road cleanliness and material utilization through cleaning and leveling mechanisms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a crack asphalt repair cart, which relates to the technical field of pavement maintenance devices. The cart includes a frame with movable wheels, a material storage tank, and a filling mechanism. The filling mechanism is located on the lower side of the frame and includes an arc frame, a discharge assembly, and a ball guide assembly. The arc frame has two cross seats, and the bottom of the arc frame has support balls. The arc frame is also connected to the frame via a connecting rod. The discharge assembly includes a guide pipe and multiple discharge pipes. A rotating motor is mounted on another cross seat, and the ball guide assembly is located at the output end of the rotating motor. The ball guide assembly includes multiple support arms, each with a freely rotatable guide ball mounted at the end. Each discharge pipe is connected to a corresponding support arm. The present invention has a simple structure, ensures that asphalt material is consistently injected into cracks during movement, avoids waste of asphalt material, is easy to operate, and is highly practical.
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Description

Technical Field

[0001] The invention relates to the technical field of road surface maintenance devices, in particular to a crack asphalt repair cart. Background Art

[0002] After a period of use, roads are eroded by vehicles and rain, and numerous cracks will appear on the road surface. If the cracks are not repaired in time, they will continue to expand under the further crushing of vehicles. When rain enters in winter, the rain freezes, which will further increase the degree of expansion of the cracks and cause more serious damage to the roads. Therefore, asphalt is needed to fill the cracks. Asphalt is a complex black-brown mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a high-viscosity organic liquid. It is in liquid form, has a black surface, and is soluble in carbon disulfide.

[0003] The method of filling road cracks is to drive a cart along the crack, and the injection device on the cart injects asphalt material into the crack; because the construction workers push the cart according to the direction of the crack, but the crack is not a straight line, when the cart turns and moves, the discharge part of the injection device will be offset from the crack within a certain range, which may cause some asphalt material to be unable to enter the crack, affecting the effect of crack repair and causing waste of asphalt material. Summary of the Invention

[0004] The object of the present invention is to provide a crack asphalt repair cart to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A crack asphalt repair cart includes a frame body with movable wheels, a material storage tank and a filling mechanism. The material storage tank is arranged on the frame body and is used to store asphalt materials. The filling mechanism is arranged on the lower side of the frame body and includes an arc frame, a discharge assembly and a ball guide assembly. The arc frame has two cross seats and the bottom of the arc frame has supporting balls. The arc frame is also connected to the frame body through a connecting rod. The discharge assembly is arranged on one of the cross seats and includes a material guide pipe and multiple discharge pipes. The guide pipe is connected to the storage trough through the feed pipe, and multiple discharge pipes are circumferentially distributed on the outer wall of the guide pipe. A rotating motor is provided on another horizontal seat and a ball guide assembly is provided on the output end of the rotating motor. The ball guide assembly includes multiple support arm rods circumferentially distributed at the output end of the rotating motor, and a freely rotatable guide ball is installed at the end of each support arm rod; each discharge pipe is connected to the corresponding support arm rod; when the discharge pipe rotates to the inside of the arc frame, the discharge pipe is connected to the inside of the guide pipe.

[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] In an optional solution: one end of the guide tube is fixedly connected to the cross seat, a discharge port is provided at the arc bottom of the guide tube, a rotating ring sleeve is provided on the guide tube for rotating with the guide tube, a plurality of connection ports corresponding to the discharge tube are provided on the outer wall of the rotating ring sleeve, one end of the discharge tube is fixedly connected to the outer wall of the rotating ring sleeve and the interior of the discharge tube is communicated with the connection port.

[0009] In an optional solution: a pulling handle is provided on the frame body and the top of the connecting support rod is rotatably connected to the pulling handle, a connecting sleeve is sleeved on the connecting support rod and slides thereon, an adjusting cylinder is provided on the side wall of the storage trough and the telescopic end of the adjusting cylinder is hinged to the side of the connecting sleeve.

[0010] In an optional solution: it also includes a jet cleaning component, which includes an inclined diverter plate and a cleaning fan. The inclined diverter plate is arranged on the arc frame and the orientation of the inclined diverter plate is consistent with the direction of movement of the frame body. A plurality of jet heads are arranged on the inclined diverter plate, and the cleaning fan is arranged on the frame body and the cleaning fan and the inclined diverter plate are connected through an air duct.

[0011] In an optional solution: it also includes a leveling mechanism, the leveling mechanism includes a scraper frame and a leveling roller, the scraper frame is fixedly connected to the frame body through a leveling bracket, the front end of the scraper frame is provided with a leveling roller whose end is rotatably connected thereto, wherein the bottom of the scraper frame contacts the ground and is used to scrape off protruding cracks and excess asphalt material; the leveling roller rolls the asphalt material in the cracks in a rolling manner.

[0012] In an optional solution, the scraper frame is a V-shaped structure and the angle thereof is 90-120 degrees.

[0013] In an optional solution: the leveling mechanism also includes a material collection box and a reflux pump, the material collection box is arranged on the outer wall at the angle of the scraper frame, and a through opening connected to the interior of the material collection box is opened at the angle of the scraper frame. The reflux pump is arranged on the side wall of the material storage trough and connected to the interior of the material storage trough. The feed end of the reflux pump is provided with a suction pipe and the suction pipe extends away from the end of the reflux pump to the interior of the material collection box.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, the arc bottom of the guide ball is placed in the crack. When the guide tube and the crack are offset, the resistance of the crack and the guide ball can cause the guide tube to rotate to ensure that the guide tube and the crack are aligned, ensuring that the asphalt material is injected into the crack.

[0016] 2. In the present invention, there are multiple guide balls, and the guide balls adapted to the width of the crack are driven to be placed in the crack by the rotation of the support arm, so as to avoid the guide balls being too small to play a limiting role or the guide balls being too large so that the bottom part of the guide balls cannot be placed in the crack.

[0017] 3. The present invention has a simple structure, can ensure that the asphalt material is always injected into the cracks during the movement process, avoids the waste of asphalt material, is easy to operate and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the overall structure of the cart in one embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the filling mechanism structure in one embodiment of the present invention.

[0020] Figure 3 Schematic diagram of the connection structure between the material guide pipe and the material discharge pipe in one embodiment of the present invention.

[0021] Figure 4 Schematic diagram of the leveling mechanism structure in one embodiment of the present invention.

[0022] Notes on the accompanying drawings: frame body 100, moving wheel 110, pulling handle 120, material storage trough 200, filling mechanism 300, arc frame 310, supporting ball 311, horizontal seat 320, rotating ring sleeve 330, connecting port 331, rotating motor 340, support arm rod 350, guide ball 351, inclined diverter plate 360, material guide pipe 370, feed pipe 380, discharge pipe 390, connecting support rod 400, connecting sleeve 410, adjusting cylinder part 420, cleaning fan 500, air guide pipe 510, nozzle 520, leveling mechanism 600, scraper frame 610, leveling pressure roller 620, collecting box 630, through port 640, leveling bracket 700, reflux pump 800, suction pipe 810. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. In the drawings or descriptions, similar or identical parts are denoted by the same reference numerals, and in actual applications, the shape, thickness, or height of each component may be enlarged or reduced. The various embodiments listed in the present invention are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0024] In one embodiment, Figure 1 and Figure 2As shown, a crack asphalt repair cart includes a frame body 100 with a moving wheel 110, a storage tank 200 and a filling mechanism 300. The storage tank 200 is provided on the frame body 100 and is used to store asphalt materials; the filling mechanism 300 is provided on the lower side of the frame body 100 and includes an arc frame 310, a discharge assembly and a ball guide assembly. The arc frame 310 has two cross seats 320 and the bottom of the arc frame 310 has a supporting ball 311. The arc frame 310 is also connected to the frame body 100 by a connecting rod 400. The discharge assembly is provided on one of the cross seats 320 and the discharge assembly includes a guide pipe 370 and a plurality of discharge The guide pipe 370 is connected to the storage tank 200 through the feed pipe 380. Multiple discharge pipes 390 are circumferentially distributed on the outer wall of the guide pipe 370. A rotating motor 340 is provided on another horizontal seat 320, and a ball guide assembly is provided on the output end of the rotating motor 340. The ball guide assembly includes multiple support arms 350 circumferentially distributed at the output end of the rotating motor 340. The end of each support arm 350 is equipped with a freely rotatable guide ball 351. Each discharge pipe 390 is connected to the corresponding support arm 350. When the discharge pipe 390 rotates to the inside of the arc frame 310, the discharge pipe 390 is connected to the inside of the guide pipe 370.

[0025] In the embodiment of the present invention, the position of the frame body 100 is adjusted so that the ball guide assembly of the support arm 350 is facing the crack of the road surface. The multiple support arms 350 are driven to rotate by the rotary motor 340, so that the lower end of the support arm 350 can extend to the crack, and the top of the guide ball 351 can be placed in the crack. The frame body 100 moves along the direction of the crack, and the guide ball 351 is always in the crack. When the support arm 350 deviates from the crack, the support arm 350 can rotate freely within a certain range relative to the cross seat 320, and the bottom of the support arm 350 is aligned with the crack. Due to the resistance between the edges, the support arm 350 can be offset and rotated, and then the discharge pipe 390 is offset, so that the end of the discharge pipe 390 can always correspond to the crack; the asphalt material inside the storage tank 200 is completely pumped into the crack through the feed pipe 380, the guide pipe 370 and the discharge pipe 390, to avoid the discharge pipe 390 and the crack being offset, which causes the asphalt material to be on the road surface at the edge of the crack. Among them, the diameters of the multiple guide balls 351 are different, so the corresponding guide balls 351 are adjusted to be on the inner side of the arc frame 310, which can adapt to cracks of different widths.

[0026] In one embodiment, Figure 1-Figure 3As shown, one end of the guide tube 370 is fixedly connected to the cross seat 320, and a discharge port 371 is provided at the arc bottom of the guide tube 370. A rotating ring sleeve 330 that rotates with the guide tube 370 is provided on the guide tube 370, and a plurality of connection ports 331 corresponding to the discharge tube 390 are provided on the outer wall of the rotating ring sleeve 330. One end of the discharge tube 390 is fixedly connected to the outer wall of the rotating ring sleeve 330 and the interior of the discharge tube 390 is connected to the connection port 331; in an embodiment of the present invention, the discharge tube 390 can rotate with the ball guide assembly, and when the discharge tube 390 rotates to the port facing downward, the corresponding connection port 331 is aligned with the discharge port 371, so that the asphalt material can be diverted from the inside of the guide tube 370 to the inside of the discharge tube 390, so that the discharge tube 390 can introduce asphalt toward the crack.

[0027] In one embodiment, Figure 1 The movable handle 120 is rotatably connected, and a connecting sleeve 410 is sleeved on the connecting support rod 400 and slides thereon. An adjusting cylinder 420 is provided on the side wall of the storage trough 200, and the telescopic end of the adjusting cylinder 420 is hinged to the side of the connecting sleeve 410; in an embodiment of the present invention, the adjusting cylinder 420 can be telescopic, and the end of the adjusting cylinder 420 can push the connecting sleeve 410 to move horizontally when telescoping, so that the connecting sleeve 410 can push and pull the connecting support rod 400 to rotate around the connection with the pulling handle 120, so that the height of the filling mechanism 300 can be adjusted to adapt to uneven road surfaces.

[0028] In one embodiment, Figure 1 and Figure 2 As shown, it also includes a jet cleaning component, which includes an inclined diverter plate 360 ​​and a cleaning fan 500. The inclined diverter plate 360 ​​is arranged on the arc frame 310 and the direction of the inclined diverter plate 360 ​​is consistent with the direction of movement of the frame body 100. A plurality of jet heads 520 are provided on the inclined diverter plate 360. The cleaning fan 500 is arranged on the frame body 100 and is connected to the inclined diverter plate 360 ​​through an air guide pipe 510. In an embodiment of the present invention, the cleaning fan 500 guides the airflow to the inclined diverter plate 360 ​​through the air guide pipe 510, and the inclined diverter plate 360 ​​will divert the airflow to the plurality of jet heads 520. The plurality of jet heads 520 spray airflow toward the crack, and the airflow can carry away dust and debris, thereby improving the cleanliness of the crack and improving the effect of crack repair.

[0029] In one embodiment, Figure 1 and Figure 4As shown, it also includes a leveling mechanism 600, which includes a scraper frame 610 and a leveling roller 620. The scraper frame 610 is fixedly connected to the frame body 100 through a leveling bracket 700. The front end of the scraper frame 610 is provided with a leveling roller 620 whose end is rotatably connected thereto, wherein the bottom of the scraper frame 610 contacts the ground and is used to scrape off protruding cracks and excess asphalt material; the leveling roller 620 rolls the asphalt material in the cracks in a rolling manner; in an embodiment of the present invention, as the frame body 100 moves, the leveling roller 620 rolls the asphalt material in the cracks, which can make the asphalt material fill the cracks; the scraper frame 610 scrapes off the asphalt material in the protruding cracks, and the cracked part of the asphalt filled can be flush with the road surface.

[0030] In one embodiment, Figure 1 and Figure 4 As shown, the scraper frame 610 is a V-shaped structure with an angle of 90-120 degrees. In this embodiment, the scraper frame 610 of the V-shaped structure can concentrate the asphalt material scraped from the ground in one place, which is convenient for subsequent collection.

[0031] In one embodiment, Figure 1 and Figure 4 As shown, the leveling mechanism 600 also includes a collection box 630 and a reflux pump 800. The collection box 630 is arranged on the outer wall at the angle of the scraper frame 610. A through port 640 connected to the interior of the collection box 630 is opened at the angle of the scraper frame 610. The reflux pump 800 is arranged on the side wall of the storage tank 200 and is connected to the interior of the storage tank 200. A suction pipe 810 is provided at the feed end of the reflux pump 800, and the suction pipe 810 extends to the interior of the collection box 630 away from the end of the reflux pump 800; in an embodiment of the present invention, the excess asphalt material scraped off by the scraper frame 610 is concentrated at the angle of the scraper frame 610, and the asphalt material enters the collection box 630 from the through port 640. Under the pumping of the reflux pump 800, the asphalt material inside the collection box 630 flows back to the interior of the storage tank 200 through the suction pipe 810, so that it can be reused, which can save materials.

[0032] The above embodiment provides a crack asphalt repair cart, wherein a plurality of support arms 350 are driven to rotate by a rotary motor 340, so that the lower end of the support arm 350 can extend to the crack, the top of the guide ball 351 can be placed in the crack, and the frame body 100 moves along the direction of the crack, and the guide ball 351 is always in the crack; when the support arm 350 deviates from the crack, the support arm 350 can rotate freely within a certain range relative to the cross seat 320, and the resistance between the bottom of the support arm 350 and the edge of the crack , the support arm 350 can be offset and rotated, and then the discharge pipe 390 is offset, so that the end of the discharge pipe 390 can always correspond to the crack; the asphalt material inside the storage tank 200 is completely pumped into the crack through the feed pipe 380, the guide pipe 370 and the discharge pipe 390, to avoid the discharge pipe 390 and the crack being offset, which causes the asphalt material to be on the road surface at the edge of the crack. Among them, the diameters of the multiple guide balls 351 are different, so that the corresponding guide balls 351 are adjusted to be on the inner side of the arc frame 310, which can adapt to cracks of different widths.

[0033] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A crack asphalt repair cart, comprising a frame with moving wheels, a material storage tank and a filling mechanism, wherein the material storage tank is provided on the frame and is used to store asphalt material; characterized in that: The feeding mechanism is arranged on the lower side of the frame body and the feeding mechanism includes an arc frame, a discharging assembly and a ball guide assembly; the arc frame has two cross seats and the bottom of the arc frame has a supporting ball, and the arc frame is also connected to the frame body through a connecting rod; the discharging assembly is arranged on one of the cross seats and the discharging assembly includes a guide pipe and a plurality of discharging pipes, the guide pipe is connected to the storage tank through a feed pipe, and the plurality of discharging pipes are circumferentially distributed on the outer wall of the guide pipe; a rotating motor is arranged on the other cross seat and the ball guide assembly is arranged on the output end of the rotating motor; the ball guide assembly includes a plurality of circumferential The support arm rods are distributed at the output end of the rotating motor, and the end of each support arm rod is installed with a freely rotatable guide ball; each discharge pipe is connected to the corresponding support arm rod; when the discharge pipe rotates to the inner side of the arc frame, the discharge pipe is connected to the inside of the guide pipe, one end of the guide pipe is fixedly connected to the cross seat, and a discharge port is provided at the arc bottom of the guide pipe; a rotating ring sleeve is provided on the guide pipe to rotate with it, and a plurality of connection ports corresponding to the discharge pipe are opened on the outer wall of the rotating ring sleeve; one end of the discharge pipe is fixedly connected to the outer wall of the rotating ring sleeve and the inside of the discharge pipe is connected to the connection port.

2. The crack asphalt repair cart according to claim 1, characterized in that: The frame body is provided with a pulling handle and the top of the connecting support rod is rotatably connected to the pulling handle; the connecting support rod is provided with a connecting sleeve sliding thereon, and the side wall of the storage trough is provided with an adjusting cylinder and the telescopic end of the adjusting cylinder is hinged to the side of the connecting sleeve.

3. The crack asphalt repair cart according to claim 1, characterized in that: It also includes a jet cleaning assembly; the jet cleaning assembly includes an inclined diverter plate and a cleaning fan; the inclined diverter plate is arranged on the arc frame and the direction of the inclined diverter plate is consistent with the direction of movement of the frame body; a plurality of jet heads are arranged on the inclined diverter plate, the cleaning fan is arranged on the frame body and the cleaning fan and the inclined diverter plate are connected through an air duct.

4. The crack asphalt repair cart according to claim 1, characterized in that: It also includes a leveling mechanism; the leveling mechanism includes a scraper frame and a leveling roller; the scraper frame is fixedly connected to the frame body through a leveling bracket, and the front end of the scraper frame is provided with a leveling roller whose end is rotatably connected thereto; wherein the bottom of the scraper frame contacts the ground and is used to scrape off protruding cracks and excess asphalt material; the leveling roller rolls the asphalt material in the cracks in a rolling manner.

5. The crack asphalt repair cart according to claim 4, characterized in that: The scraper frame is a V-shaped structure with an included angle of 90-120 degrees.

6. The crack asphalt repair cart according to claim 4, characterized in that: The leveling mechanism also includes a material collection box and a reflux pump; the material collection box is arranged on the outer wall at the angle of the scraper frame, and a through opening connected to the interior of the material collection box is opened at the angle of the scraper frame; the reflux pump is arranged on the side wall of the material storage trough and connected to the interior of the material storage trough, and the feed end of the reflux pump is provided with a suction pipe and the suction pipe extends away from the end of the reflux pump to the interior of the material collection box.

Citation Information

Patent Citations

  • Crankshaft-based oil suction pipe hole wall thickness tolerance control device

    CN210924291U

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    CN211227996U

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    CN217948723U