Pavement crack repairing device
By designing a flow regulation component and using a rotating column and baffle to adjust the diameter of the liquid passage, the problem of overflow of the repair solution was solved, achieving precise control of the repair solution and full utilization of the material, thus avoiding road surface bulges.
Patent Information
- Application Number
- CN202520322427.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing road crack repair devices tend to cause the repair fluid to overflow when repairing fine and shallow cracks, leading to waste and road surface bulges.
A road surface crack repair device was designed, which adopts a flow regulation component. The flow rate of the repair fluid is controlled by the cooperation of a rotating column and a baffle. The diameter of the fluid passage is adjusted by pressing the button column and the contraction and rebound of the spring to control the flow rate of the repair fluid.
It achieves precise control of the repair fluid flow rate, avoids overflow, improves repair efficiency and material utilization, and prevents road surface bulges.
Smart Images

Figure CN223951582U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of crack repair, in particular to a road surface crack repair device. BACKGROUND
[0002] Road surface crack is a common phenomenon of road surface damage, which may be caused by various reasons, such as temperature change, vehicle load, foundation problem and material problem, etc., and when the road surface appears cracks, a repair device is needed to be moved to the road surface needing repair and then the road surface is filled and repaired with the stored asphalt in the repair device.
[0003] When the existing road surface crack repair device is used, the repair liquid is usually directly injected towards the cracks, so that the repair liquid is easy to overflow when repairing some thin and shallow cracks, which not only causes the waste of repair liquid, but also causes the road surface to be raised due to the solidification of the overflowed liquid.
[0004] Therefore, the utility model provides a road surface crack repair device to make up for and improve the shortcomings of the prior art. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model adopts the technical scheme of a road surface crack repair device, which comprises a material conveying pipe, and a material injection nozzle is arranged at the liquid discharge end of the material conveying pipe.
[0006] Preferably, the inner wall of the shell is fixedly connected with a spring, and the inner wall of the shell is slidingly connected with a blocking plate, and the blocking plate is rotatably connected with the rotating column.
[0007] Preferably, the flow regulating assembly further comprises a bearing seat fixedly connected to the outer surface of the material conveying pipe, and a plurality of guide grooves are equidistantly arranged on the bearing seat.
[0008] Preferably, the inner wall of the bearing seat is slidingly connected with a button column, the outer surface of the button column is fixedly connected with a protruding block, and one end of the button column close to the baffle is fixedly connected with a shifting block.
[0009] Preferably, a heating rod is fixedly installed in the interior of the material injection nozzle, and the diameter of the heating rod is smaller than the inner diameter of the material injection nozzle.
[0010] Compared with the prior art, the utility model has the advantages of:
[0011] The utility model discloses a flow regulating assembly is set up, can utilize the press of button post, with the contraction and rebound of spring, make rotating post carry different baffle, switch between the material conveying pipe and injection nozzle, the diameter of several liquid holes gradually reduces clockwise, thereby control the flow size of injection nozzle discharging repair raw liquid, is favorable to personnel free control repair raw liquid discharge flow size, in order to make full use of repair raw liquid. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the whole structure schematic diagram of a preferred embodiment shown in the utility model;
[0013] Figure 2 It is the whole structure cross section schematic diagram shown in the utility model;
[0014] Figure 3 It is the whole structure shown in the utility model Figure 2 The structure schematic diagram of enlarged scale of A place in middle;
[0015] Figure 4 It is the split structure schematic diagram of shell and button post shown in the utility model.
[0016] Marked number in the drawing is:
[0017] 1, material conveying pipe;2, injection nozzle;3, flow regulating assembly;4, heating rod;
[0018] 31, shell;32, button post;33, bearing seat;34, guide slot;35, lug;36, shift block;37, baffle;38, liquid hole;39, spring;310, plugging plate;311, rotating post. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0020] Embodiments of the utility model
[0021] Please refer to Figures 1 to 4 The utility model discloses a kind of road surface crack repair devices, including material conveying pipe 1, the liquid discharge end of material conveying pipe 1 is provided with injection nozzle 2, a kind of road surface crack repair device includes:
[0022] The flow regulating assembly 3 is arranged between the material conveying pipe 1 and the material injection nozzle 2, and the flow regulating assembly 3 comprises a shell 31 fixedly connected to the outer surface of the material injection nozzle 2, a rotating column 311 rotatably connected in the shell 31, a plurality of baffles 37 equidistantly fixed to the outer surface of the rotating column 311, a plurality of liquid passing holes 38 formed in the baffles 37, and the diameters of the plurality of liquid passing holes 38 gradually decrease clockwise.
[0023] The inner wall of the shell 31 is fixedly connected with a spring 39, and the inner wall of the shell 31 is slidably connected with a blocking plate 310, and the blocking plate 310 is rotatably connected with the rotating column 311.
[0024] The flow regulating assembly 3 further comprises a bearing seat 33 fixedly connected to the outer surface of the material conveying pipe 1, and a plurality of guide grooves 34 equidistantly formed in the bearing seat 33.
[0025] The inner wall of the bearing seat 33 is slidably connected with a button column 32, the outer surface of the button column 32 is fixedly connected with a protruding block 35, and one end of the button column 32 close to the baffle 37 is fixedly connected with a shifting block 36.
[0026] The inner portion of the material injection nozzle 2 is fixedly installed with a heating rod 4, and the diameter of the heating rod 4 is smaller than the inner diameter of the material injection nozzle 2.
[0027] By pressing the button column 32, the rotating column 311 carrying different baffles 37 is switched between the material conveying pipe 1 and the material injection nozzle 2, the diameters of the plurality of liquid passing holes 38 gradually decrease clockwise, and the flow of the repair liquid discharged from the material injection nozzle 2 is controlled, so that the personnel can freely control the flow of the repair liquid discharged, and the repair liquid can be fully utilized.
[0028] The working principle and the use process of the utility model are as follows:
[0029] The personnel first introduce the repairing raw liquid in the storage tank into the conveying pipe 1, then press the button column 32 downward and release, because a plurality of guide grooves 34 are equidistantly arranged on the bearing seat 33, the inner wall of the bearing seat 33 is slidably connected with the button column 32, the outer surface of the button column 32 is fixedly connected with the protruding block 35, one end of the button column 32 is fixedly connected with the shifting block 36, the inner wall of the shell 31 is fixedly connected with the spring 39, the inner wall of the shell 31 is slidably connected with the blocking plate 310, the shifting block 36 is pressed to shift the shifting blocking plate 37 along the guide groove 34, so that the rotating column 311 carries different blocking plates 37 and switches between the conveying pipe 1 and the injection nozzle 2, the diameters of the plurality of liquid through holes 38 gradually decrease clockwise, so as to control the flow of the repairing raw liquid discharged from the injection nozzle 2, which is beneficial to freely control the discharging flow of the repairing raw liquid, so as to fully utilize the repairing raw liquid, and the heating rod 4 is fixedly installed in the inner part of the injection nozzle 2, the temperature of the injection nozzle 2 can be maintained by the heating of the heating rod 4, so as to avoid the cooling and solidification of the repairing raw liquid remaining on the inner wall of the injection nozzle 2.
[0030] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0031] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A road surface crack repairing device comprising a material delivery pipe (1), the discharge end of which is provided with a material injection nozzle (2), characterized in that, The road surface crack repairing device comprises: The flow regulating assembly (3) is arranged between the material conveying pipe (1) and the material injection nozzle (2), and comprises an outer shell (31) fixedly connected to the outer surface of the material injection nozzle (2), a rotating column (311) rotatably connected to the inside of the outer shell (31), a plurality of baffles (37) equidistantly fixed to the outer surface of the rotating column (311), a plurality of liquid passage holes (38) formed in the baffles (37), and the diameters of the liquid passage holes (38) gradually decreasing in a clockwise direction.
2. The road surface crack repairing apparatus according to claim 1, wherein The inner wall of the outer shell (31) is fixedly connected with a spring (39), and the inner wall of the outer shell (31) is slidably connected with a blocking plate (310) rotatably connected with the rotating column (311).
3. The road surface crack repairing apparatus according to claim 1, wherein The flow regulating assembly (3) further comprises a bearing seat (33) fixedly connected to the outer surface of the material conveying pipe (1), and a plurality of guide grooves (34) equidistantly formed in the bearing seat (33).
4. The road surface crack repairing apparatus according to claim 3, wherein The inner wall of the bearing seat (33) is slidably connected with a button column (32), the outer surface of the button column (32) is fixedly connected with a protruding block (35), and the end of the button column (32) close to the baffle (37) is fixedly connected with a shifting block (36).
5. The road surface crack repairing apparatus according to claim 2, wherein The inside of the material injection nozzle (2) is fixedly connected with a heating rod (4), and the diameter of the heating rod (4) is smaller than the inner diameter of the material injection nozzle (2).