Crack pouring device for road maintenance

Abstract

The utility model relates to the technical field of crack pouring devices, in particular to a crack pouring device for road maintenance. The repairing device has the advantages that materials in the repairing agent tank can be sucked into the inner injection cylinder by pulling and pushing the piston, then repairing liquid on the inner wall of the inner injection cylinder can be pushed out by pushing the piston, repairing is conducted, meanwhile, the repairing liquid can be heated through the electric heating wire, the mobility is improved, and the repairing effect is improved. Airflow can be blown into a cavity between the inner wall of the heat preservation cylinder cover and the outer wall of the inner injection cylinder through an air supply pump, the airflow is synchronously blown into the gap through an air supply flat pipe and an air blowing nozzle after being heated, the inner wall of the gap is heated, heat loss can be reduced after repairing is carried out, fluidity is kept, the gap is filled, dust can be blown out, and the service life is prolonged. And through the conical positioning nozzle at the bottom and the conical structure of the blowing nozzle, the device can be ejected into the inner wall of the gap, so that accurate injection and sealing can be achieved, overflow and outflow are reduced, and the seam repairing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crack pouring device technical field, especially a crack pouring device for highway maintenance. BACKGROUND

[0002] The highway needs regular maintenance after being built, and crack repair is one of the pavement maintenance projects. The initial cracks have no obvious influence on the performance of the pavement, but with the intrusion of surface rain and snow water, the water content of the soil base near the cracks is large, even saturated, and the pavement strength is significantly reduced. Under the repeated action of a large number of vehicle loads, erosion and focusing phenomenon occur, the asphalt surface layer on both sides of the cracks is broken, and the performance of the asphalt pavement is affected. It also accelerates the destruction of the asphalt pavement, and in severe cases, it even causes structural damage to the pavement, which brings many adverse factors to highway maintenance and pavement maintenance. Therefore, the pavement cracks should be discovered and repaired in time.

[0003] The current crack pouring device for highway maintenance uses an injection device to press the repair agent into the gap, and the injection barrel improves the fluidity of the repair liquid by heating. However, the following problems still exist in actual use:

[0004] Although the current crack pouring device for highway maintenance can heat the repair liquid, the inner wall of the gap will absorb heat after the injection, causing the temperature of the repair liquid to decrease and the fluidity to decrease. This will cause the repair liquid to be unable to fully fill the gap, and the dust in the gap lacks cleaning, which affects the bonding effect. UTILITY MODEL CONTENT

[0005] The utility model aims to overcome the shortcomings of the prior art and provide a crack pouring device for highway maintenance, which effectively solves the deficiencies of the prior art.

[0006] In order to achieve the above object, the utility model provides a kind of crack pouring device for highway maintenance, including heat preservation cylinder cover, the inner wall of the heat preservation cylinder cover is fixedly connected with inner injection cylinder, the bottom of the inner injection cylinder is fixedly connected with injection nozzle, the inside of the injection nozzle and the inner injection cylinder is communicated, electric heating wire is fixedly connected between the inner wall of the heat preservation cylinder cover and the outer wall of the inner injection cylinder, the bottom of the injection nozzle is fixedly connected with conical positioning nozzle, one side of the conical positioning nozzle is fixedly connected with blowing nozzle, the input end of the blowing nozzle is fixedly connected with gas supply flat tube, the end of the gas supply flat tube away from the blowing nozzle is communicated with the cavity between the inner wall of the heat preservation cylinder cover and the outer wall of the inner injection cylinder, the top of the inner wall of the inner injection cylinder is slidably connected with push piston, the center of the top surface of the push piston is fixedly connected with injection push rod, the end of the injection push rod away from the push piston is fixedly connected with push handle, one side of the top of the outer wall of the heat preservation cylinder cover is fixedly connected with gas supply pump, the output end of the gas supply pump is communicated with the top of the cavity between the inner wall of the heat preservation cylinder cover and the outer wall of the inner injection cylinder, the inner wall of the injection nozzle is fixedly connected with one-way output valve, the one-way output valve is one-way opened to the outside of the inner injection cylinder.

[0007] It is preferred from any of the above solutions that the bottom of the inner injection cylinder is fixedly connected with a one-way feeding valve, the one-way feeding valve is one-way opened to the inside of the inner injection cylinder, the input end of the one-way feeding valve is threadedly connected with a patching agent tank, the tank opening of the patching agent tank is communicated with the inside of the inner injection cylinder through the one-way feeding valve.

[0008] The technical effect achieved by the above solution is that the one-way feeding valve can extract the patching liquid when pulling the push piston.

[0009] It is preferred from any of the above solutions that the bottom of the conical positioning nozzle and the blowing nozzle are both conical surfaces, the bottom of the conical positioning nozzle and the blowing nozzle are flush, the gas supply flat tube and the conical positioning nozzle are both heat preservation materials.

[0010] The technical effect achieved by the above solution is that the conical structure of the bottom of the conical positioning nozzle and the blowing nozzle can be inserted into the inner wall of the crack, so that accurate injection can be achieved, the overflow can be reduced, the patching effect can be improved, and the blowing airflow corresponds to the injection position, so that the inner wall of the crack can be blown.

[0011] It is preferred from any of the above solutions that the material of the inner injection cylinder is heat-conducting material, the top of the injection nozzle is funnel structure, the diameter of the top of the injection nozzle is matched with the diameter of the inner wall of the inner injection cylinder.

[0012] The technical effect achieved by the above solution is that the funnel structure of the injection nozzle can converge the patching liquid to the output of the injection nozzle, the injection pressure can be improved, and the filling effect of patching can be improved.

[0013] Preferably, in any of the above solutions, the length of the injection cylinder is matched with the length of the injection push rod, the push piston is in sealing sliding contact with the inner wall of the inner injection cylinder, and one side of the top of the heat preservation cylinder cover is fixedly connected with an auxiliary handle.

[0014] The technical effect achieved by the above solution is that the injection push rod can completely push out the repair liquid on the inner wall of the inner injection cylinder through the push piston.

[0015] The utility model has the advantages of the following:

[0016] 1. The crack pouring device for highway maintenance can suck the material in the repair agent tank into the inner injection cylinder through the pull-push piston, then push out the repair liquid on the inner wall of the inner injection cylinder through the push piston, and perform repair. The electric heating wire can heat the repair liquid to improve the fluidity. The air supply pump can blow air into the cavity between the inner wall of the heat preservation cylinder cover and the outer wall of the inner injection cylinder, so that the air flow is blown into the gap through the air supply flat tube and the air blowing nozzle after being heated, the inner wall of the gap is heated, the heat loss after the repair is added is reduced, the fluidity is maintained, the gap is filled, dust is blown out, and the adhesion effect is improved.

[0017] 2. The crack pouring device for highway maintenance can be precisely injected into the gap through the conical positioning nozzle and the conical structure of the air blowing nozzle at the bottom, so as to reduce the overflow and improve the repair effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a structure schematic view;

[0019] Figure 2 The utility model discloses a side view structure schematic view;

[0020] Figure 3 The utility model discloses a structure schematic view; Figure 2 The utility model discloses a section structure schematic view of A-A.

[0021] In the figure: 1 is the heat preservation cylinder cover, 2 is the injection nozzle, 3 is the conical positioning nozzle, 4 is the air blowing nozzle, 5 is the air supply flat tube, 6 is the one-way feeding valve, 7 is the repair agent tank, 8 is the air supply pump, 9 is the auxiliary handle, 10 is the injection push rod, 11 is the push handle, 12 is the inner injection cylinder, 13 is the electric heating wire, 14 is the push piston. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0023] For example, Figures 1 to 3As shown in the figure, a road maintenance crack pouring device, it includes the heat preservation cylinder cover 1, the inner wall of the heat preservation cylinder cover 1 is fixedly connected with the inner injection cylinder 12, the bottom of the inner injection cylinder 12 is fixedly connected with the injection nozzle 2, the injection nozzle 2 is communicated with the inside of the inner injection cylinder 12, the inner wall of the heat preservation cylinder cover 1 and the outer wall of the inner injection cylinder 12 are fixedly connected with the electric heating wire 13, the bottom of the injection nozzle 2 is fixedly connected with the conical positioning nozzle 3, one side of the conical positioning nozzle 3 is fixedly connected with the blowing nozzle 4, the input end of the blowing nozzle 4 is fixedly connected with the gas supply flat tube 5, the end of the gas supply flat tube 5 away from the blowing nozzle 4 is communicated with the cavity between the inner wall of the heat preservation cylinder cover 1 and the outer wall of the inner injection cylinder 12, the top of the inner wall of the inner injection cylinder 12 is slidably connected with the push piston 14, the top surface of the push piston 14 is fixedly connected with the injection push rod 10, the end of the injection push rod 10 away from the push piston 14 is fixedly connected with the push handle 11, one side of the top of the outer wall of the heat preservation cylinder cover 1 is fixedly connected with the gas supply pump 8, the output end of the gas supply pump 8 is communicated with the top of the cavity between the inner wall of the heat preservation cylinder cover 1 and the outer wall of the inner injection cylinder 12, the inner wall of the injection nozzle 2 is fixedly connected with the one-way output valve, and the one-way output valve is unidirectionally opened to the outside of the inner injection cylinder 12.

[0024] As an optional technical scheme of the utility model, the bottom of the inner injection cylinder 12 is fixedly connected with the one-way feeding valve 6, the one-way feeding valve 6 is unidirectionally opened to the inside of the inner injection cylinder 12, the input end of the one-way feeding valve 6 is threadedly connected with the repairing agent tank 7, and the tank opening of the repairing agent tank 7 is communicated with the inside of the inner injection cylinder 12 through the one-way feeding valve 6, so that the repairing liquid can be extracted when the push piston 14 is pulled.

[0025] As an optional technical scheme of the utility model, the bottom of the conical positioning nozzle 3 and the blowing nozzle 4 are all conical surfaces, the bottom of the conical positioning nozzle 3 and the blowing nozzle 4 are flush, the gas supply flat tube 5 and the conical positioning nozzle 3 are all heat preservation materials, the conical structure of the conical positioning nozzle 3 and the blowing nozzle 4 can be inserted into the inner wall of the gap, so that the repairing liquid can be accurately injected and sealed, the overflow is reduced, the repairing effect is improved, and the blowing airflow corresponds to the injection position, so that the inner wall of the gap can be blown.

[0026] As an optional technical scheme of the utility model, the material of the inner injection cylinder 12 is heat-conducting material, the top of the injection nozzle 2 is a funnel structure, the diameter of the top of the injection nozzle 2 is matched with the diameter of the inner wall of the inner injection cylinder 12, the repairing liquid can be gathered to the output of the injection nozzle 2 through the funnel structure of the injection nozzle 2, the injection pressure can be improved, and the filling effect of the repairing is improved.

[0027] As an optional technical scheme of the utility model, the length of the injection push rod 10 is matched with the length of the inner injection cylinder 12, the push piston 14 is sealedly slid with the inner wall of the inner injection cylinder 12, so that the injection push rod 10 can push the repairing liquid on the inner wall of the inner injection cylinder 12 out completely through the push piston 14, and the auxiliary handle 9 is fixedly connected to one side of the top of the heat preservation cylinder cover 1.

[0028] The following steps are needed when the crack pouring device for road maintenance is used:

[0029] 1) By pulling the push piston 14, the material in the repairing agent tank 7 can be sucked into the inner injection cylinder 12;

[0030] 2) By the electric heating wire 13, the repairing liquid can be heated to improve the fluidity, and then by the push piston 14, the repairing liquid on the inner wall of the inner injection cylinder 12 can be pushed out for repairing;

[0031] 3) By the air supply pump 8, the air flow can be blown into the cavity between the inner wall of the heat preservation cylinder cover 1 and the outer wall of the inner injection cylinder 12, so that the air flow is heated and blown into the crack through the air supply flat tube 5 and the air blowing nozzle 4 synchronously, so that the inner wall of the crack is heated, so that the heat loss after the repairing liquid is added can be reduced, the fluidity is maintained, the crack is filled, and dust can be blown out;

[0032] 4) Then the closed repairing liquid can flow to fill the crack.

[0033] In summary, by pulling the push piston 14, the material in the repairing agent tank 7 can be sucked into the inner injection cylinder 12, then by the push piston 14, the repairing liquid on the inner wall of the inner injection cylinder 12 can be pushed out for repairing, at the same time, by the electric heating wire 13, the repairing liquid can be heated to improve the fluidity, and by the air supply pump 8, the air flow can be blown into the cavity between the inner wall of the heat preservation cylinder cover 1 and the outer wall of the inner injection cylinder 12, so that the air flow is heated and blown into the crack through the air supply flat tube 5 and the air blowing nozzle 4 synchronously, so that the inner wall of the crack is heated, so that the heat loss after the repairing liquid is added can be reduced, the fluidity is maintained, the crack is filled, and dust can be blown out, the adhesion effect is improved, by the tapered structure of the bottom tapered positioning nozzle 3 and the air blowing nozzle 4, the inner wall of the crack can be inserted, so that the closed injection can be accurately injected, the overflow is reduced, and the repairing effect is improved.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A road maintenance crack filler, characterized by: The utility model provides a kind of injection device, including heat preservation cylinder cover (1), the inner wall of heat preservation cylinder cover (1) is fixedly connected with inner injection cylinder (12), the bottom of inner injection cylinder (12) is fixedly connected with injection nozzle (2), the inside of injection nozzle (2) is communicated with inner injection cylinder (12), electric heating wire (13) is fixedly connected between the inner wall of heat preservation cylinder cover (1) and the outer wall of inner injection cylinder (12), the bottom of injection nozzle (2) is fixedly connected with conical positioning nozzle (3), one side of conical positioning nozzle (3) is fixedly connected with blowing nozzle (4), the input end of blowing nozzle (4) is fixedly connected with gas supply flat tube (5), the end of gas supply flat tube (5) away from blowing nozzle (4) is communicated with the cavity between the inner wall of heat preservation cylinder cover (1) and the outer wall of inner injection cylinder (12), the top of the inner wall of inner injection cylinder (12) is slidably connected with push piston (14), the top surface of push piston (14) is fixedly connected with injection push rod (10), the end of injection push rod (10) away from push piston (14) is fixedly connected with push handle (11), one side of the top of the outer wall of heat preservation cylinder cover (1) is fixedly connected with gas supply pump (8), the output end of gas supply pump (8) is communicated with the top of the cavity between the inner wall of heat preservation cylinder cover (1) and the outer wall of inner injection cylinder (12), the inner wall of injection nozzle (2) is fixedly connected with one-way output valve, and the one-way output valve is unidirectionally opened to the outside of inner injection cylinder (12).

2. The road maintenance crack pourer of claim 1, wherein: The bottom of inner injection cylinder (12) is fixedly connected with one-way feeding valve (6), the one-way feeding valve (6) is unidirectionally opened to the inside of inner injection cylinder (12), and the input end of one-way feeding valve (6) is threadedly connected with repair agent tank (7), the tank opening of repair agent tank (7) is communicated with the inside of inner injection cylinder (12) through one-way feeding valve (6).

3. The road maintenance crack pourer of claim 2, wherein: The bottom of conical positioning nozzle (3) and blowing nozzle (4) is conical surface, the bottom of conical positioning nozzle (3) and blowing nozzle (4) is flush, and the gas supply flat tube (5) and conical positioning nozzle (3) are heat preservation materials.

4. The road maintenance crack pourer of claim 3, wherein: The material of inner injection cylinder (12) is heat-conducting material, the top of injection nozzle (2) is funnel structure, and the diameter of the top of injection nozzle (2) is matched with the diameter of the inner wall of inner injection cylinder (12).

5. The road maintenance crack pourer of claim 4, wherein: The length of injection push rod (10) is matched with the length of inner injection cylinder (12), the push piston (14) and the inner wall of inner injection cylinder (12) are sealingly slid, and the top of heat preservation cylinder cover (1) is fixedly connected with auxiliary handle (9) on one side.

Images