Pavement repairing grouting device

Abstract

The utility model relates to the technical field of highway engineering, and discloses a pavement repair grouting device which comprises a liquid adding pipe, an extension pipe is sleeved on the outer surface of the liquid adding pipe, a distance adjusting external thread is arranged on the outer surface of the extension pipe, and a distance adjusting nut is screwed on the outer surface of the distance adjusting external thread. According to the grouting device for pavement repairing, high-pressure air is injected into the air inlet pipe through an external pipeline, so that the high-pressure air in the air inlet pipe enters the extension pipe under the action of pressure, the sealing air bag in the extension pipe is unfolded under the driving of the high-pressure air, and the unfolded sealing air bag forms a sealing structure on the cavity sides of the pavement liquid inlet hole and the exhaust hole; the sealing structure seals the space between the device and the liquid inlet hole and the space between the device and the exhaust hole, air and redundant slurry in the pavement hollowing are discharged into an external waste liquid tank through a liquid adding pipe at the exhaust hole and an external hose, the probability that the slurry overflows in the injection process is reduced, and waste of the slurry and the workload of follow-up treatment are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of highway engineering, in particular to a road surface repair grouting device. Background Art

[0002] Pavement repair grouting is a technology that fills road hollows or improves road structural performance by injecting specific materials. It is widely used in the field of highway engineering technology. In the prior art, during the pavement repair grouting operation, a liquid inlet hole and an exhaust hole are first drilled in the hollow part of the road, and then an external grouting equipment injects slurry into the hollow part of the road through the liquid inlet hole. The slurry fills the hollow part of the road during the expansion and solidification process. However, since the slurry is easy to overflow from the liquid inlet hole or road gap during the injection process, it leads to waste of slurry and increase of subsequent processing workload.

[0003] Based on this, the utility model designs a road surface repair grouting device to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a road surface repair grouting device, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road surface repair grouting device, comprising a liquid adding tube, the outer surface of the liquid adding tube is sleeved with an extension tube, the outer surface of the extension tube is provided with an adjustable external thread, the outer surface of the adjustable external thread is threaded with an adjustable nut, the outer surface of the extension tube is connected to an air intake pipe, the outer surface of the liquid adding tube is sleeved with a sealing airbag, the outer surface of the extension tube is fixedly connected to the surface of the sealing airbag, a reinforcement component is arranged inside the sealing airbag, the reinforcement component comprises a plurality of groups of partition scallops and reinforced series rings, the outer side surfaces of each group of the partition scallops and reinforced series rings are fixedly connected to the inner wall of the sealing airbag, and the outer surface of each group of the partition scallops is provided with a plurality of groups of series grooves for the reinforcing series rings to be plugged in.

[0008] Preferably, an auxiliary fixing ring is provided at the top end of the liquid adding tube, and a tapered threaded insert is provided at the top end of the auxiliary fixing ring.

[0009] Preferably, it also includes a lubricating liner, and the inner walls of the liquid adding tube, the auxiliary fixing ring and the tapered threaded insert are fixedly connected to the outer surface of the lubricating liner.

[0010] Preferably, an outer sealing ring is provided at the bottom end of the adjustable nut, and a sealing insert is provided at the bottom of the outer sealing ring.

[0011] Preferably, it further comprises a first reinforcement ring and a second reinforcement ring, wherein the first reinforcement ring is sleeved on the connection position between the sealing airbag and the liquid-adding tube, and the second reinforcement ring is sleeved on the connection position between the sealing airbag and the extension tube.

[0012] Preferably, the surfaces of the liquid adding pipe, the extension pipe, the pitch adjusting nut, the air inlet pipe, the auxiliary fixing ring and the tapered threaded insert are all provided with an anti-corrosion coating.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a road repair grouting device having the following

[0015] Beneficial effects:

[0016] 1. The pavement repair grouting device injects high-pressure air into the air inlet pipe through an external pipeline, so that the high-pressure air in the air inlet pipe enters the extension pipe under the action of pressure, and the sealing airbag in the extension pipe is expanded under the drive of the high-pressure air. The expanded sealing airbag forms a sealing structure on the cavity side of the liquid inlet hole and the exhaust hole of the pavement. The sealing structure seals the device with the liquid inlet hole and the exhaust hole. The air and excess slurry in the hollow of the pavement are discharged into the external waste liquid tank through the liquid adding pipe at the exhaust hole and the external hose, which reduces the probability of overflow during the slurry injection process, reduces the waste of slurry and the workload of subsequent processing.

[0017] 2. The road repair grouting device uses an adjustable nut to make the sealing airbag deploy and then rotate along the adjustable external thread on the extension tube. After the adjustable nut contacts the road surface, the adjustable external thread drives the extension tube to move upward, and the extension tube drives the sealing airbag to fit the inner wall of the hollow road surface, which effectively improves the adaptability of the device to hollow roads of different thicknesses, greatly enhances the versatility of the device, and thus enhances the practicality of the device.

[0018] 3. The pavement repair grouting device, through the reinforcement components, makes multiple groups of partition panels form a longitudinal elastic reinforcement structure inside the sealing airbag, and the longitudinal elastic reinforcement structure will partially buffer and reduce the longitudinal extrusion stress, while multiple groups of reinforced series rings form a transverse elastic reinforcement structure on the inner wall of the sealing airbag, and the transverse elastic reinforcement structure will partially buffer and reduce the transverse extrusion stress. At the same time, multiple groups of partition panels and reinforced series rings form a grid structure on the inner wall of the sealing airbag, and the grid structure further increases the air pressure that the sealing airbag can withstand, improves the sealing ability of the device, and thus enhances the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a right side view of the structure of the utility model;

[0021] Figure 3 It is a cross-sectional view of the structure of the utility model.

[0022] In the figure: 1. liquid filling pipe; 2. extension pipe; 3. external pitch-adjusting thread; 4. pitch-adjusting nut; 5. air inlet pipe; 6. sealing airbag; 7. reinforcement component; 8. partition fan plate; 9. reinforced series ring; 10. auxiliary fixing ring; 11. tapered thread insert; 12. external sealing ring; 13. sealing insert; 14. first reinforcement ring; 15. second reinforcement ring; 16. lubrication liner. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3The utility model provides a technical solution: a road repair grouting device, including a liquid adding tube 1, the outer surface of the liquid adding tube 1 is sleeved with an extension tube 2, the outer surface of the extension tube 2 is provided with an adjustable distance external thread 3, the outer surface of the adjustable distance external thread 3 is threaded with an adjustable distance nut 4, through the adjustable distance nut 4, the sealing airbag 6 is deployed and the adjustable distance nut 4 rotates along the adjustable distance external thread 3 on the extension tube 2, after the adjustable distance nut 4 contacts the road surface, the extension tube 2 is driven to move upward through the adjustable distance external thread 3, and the extension tube 2 drives the sealing airbag 6 to fit with the inner wall of the road hollow, which effectively improves the device's ability to repair different thicknesses. The adaptability of the device to hollow pavement with high degree of rigidity is greatly enhanced, and thus the versatility of the device is enhanced. The outer surface of the extension tube 2 is connected with an air inlet pipe 5, and high-pressure air is injected into the air inlet pipe 5 through an external pipeline, so that the high-pressure air in the air inlet pipe 5 enters the extension tube 2 under the action of pressure, and the sealing airbag 6 in the extension tube 2 is deployed under the drive of the high-pressure air. The deployed sealing airbag 6 forms a sealing structure on the cavity side of the liquid inlet hole and the exhaust hole of the pavement. The sealing structure seals the device with the liquid inlet hole and the exhaust hole, and the air and excess slurry in the hollow pavement are discharged through the exhaust hole. The liquid pipe 1 and the external hose are discharged into the external waste liquid tank, which reduces the probability of overflow during the slurry injection process, reduces the waste of slurry and the workload of subsequent processing. The outer surface of the liquid adding pipe 1 is sheathed with a sealing airbag 6, the outer surface of the extension pipe 2 is fixedly connected to the surface of the sealing airbag 6, and a reinforcing component 7 is arranged inside the sealing airbag 6. Through the reinforcing component 7, multiple groups of partition fan plates 8 form a longitudinal elastic reinforcement structure inside the sealing airbag 6. The longitudinal elastic reinforcement structure buffers and reduces part of the longitudinal extrusion stress, and multiple groups of reinforcing series rings 9 form a transverse elastic reinforcement on the inner wall of the sealing airbag 6. The lateral elastic reinforcement structure buffers and reduces part of the lateral extrusion stress. At the same time, multiple groups of partition panels 8 and reinforced series rings 9 form a grid structure on the inner wall of the sealing airbag 6. The grid structure further increases the air pressure that the sealing airbag 6 can withstand, improves the sealing ability of the device, and thus enhances the applicability of the device. The reinforcement component 7 includes multiple groups of partition panels 8 and reinforced series rings 9. The outer side surfaces of each group of partition panels 8 and reinforced series rings 9 are fixedly connected to the inner wall of the sealing airbag 6, and the outer surface of each group of partition panels 8 is provided with multiple groups of series grooves for the reinforcement series rings 9 to be plugged in.

[0025] In the utility model, in order to improve the convenience of connection between the device and the external grouting equipment, an auxiliary fixing ring 10 is provided at the top end of the liquid adding pipe 1 for providing a clamping position during the connection process between the external grouting equipment and the tapered threaded insert 11, and the top end of the auxiliary fixing ring 10 is provided with a tapered threaded insert 11 for facilitating the screw connection between the liquid adding pipe 1 and the external grouting equipment, thereby improving the convenience of connection between the device and the external grouting equipment.

[0026] In the utility model, in order to reduce the influence of the device on the grouting process, it also includes a lubricating liner 16 for reducing the friction between the device and the slurry. The inner walls of the liquid adding pipe 1, the auxiliary fixing ring 10 and the tapered threaded insert 11 are fixedly connected to the outer surface of the lubricating liner 16, thereby reducing the influence of the device on the grouting process.

[0027] In the utility model, in order to further improve the sealing performance of the device, an outer sealing ring 12 for sealing the adjusting nut 4 with the road surface is provided at the bottom end thereof, and a sealing insert 13 for sealing the contact surface between the filling pipe 1 and the road surface is provided at the bottom of the outer sealing ring 12, thereby further improving the sealing performance of the device.

[0028] In the utility model, in order to reduce the probability of leakage at the connection between the sealing airbag 6 and the liquid-filling tube 1 or the extension tube 2, it also includes a first reinforcement ring 14 and a second reinforcement ring 15 for reinforcing the connection between the sealing airbag 6 and the liquid-filling tube 1 and the extension tube 2 respectively. The first reinforcement ring 14 is sleeved on the connection position between the sealing airbag 6 and the liquid-filling tube 1, and the second reinforcement ring 15 is sleeved on the connection position between the sealing airbag 6 and the extension tube 2, thereby reducing the probability of leakage at the connection between the sealing airbag 6 and the liquid-filling tube 1 or the extension tube 2.

[0029] In the utility model, in order to reduce the probability of the device failing due to corrosion during storage, an anti-corrosion coating for reducing the corrosion rate is provided on the surfaces of the liquid adding pipe 1, the extension pipe 2, the adjusting nut 4, the air intake pipe 5, the auxiliary fixing ring 10 and the tapered threaded insert 11, thereby reducing the probability of the device failing due to corrosion during storage.

[0030] When in use, first fill and seal the cracks at the hollow position of the road surface with filling materials, then drill a liquid inlet hole in the middle of the hollow position of the road surface, and evenly drill multiple exhaust holes on the edge of the hollow position of the road surface, then fold the sealing airbag 6 and fill it between the extension tube 2 and the liquid filling tube 1, after the sealing airbag 6 is filled, insert multiple groups of devices into the liquid inlet hole and the exhaust hole respectively, after the device is inserted, high-pressure air is injected into the air intake pipe 5 through an external pipeline, and the high-pressure air in the air intake pipe 5 enters the extension tube 2 under the action of pressure, and the sealing airbag 6 in the extension tube 2 is unfolded under the drive of the high-pressure air. During this process, the sealing airbag 6 is detached from the extension tube 2, and then drives the distance adjusting nut 4 to rotate along the distance adjusting external thread 3 on the extension tube 2, and after the distance adjusting nut 4 contacts with the road surface, it drives the extension tube 2 to move upward through the distance adjusting external thread 3, and the extension tube 2 drives the sealing airbag 6 to fit the inner wall of the hollow road surface, and during this process, the sealing airbag 6 is Elastic deformation seals the contact surface between the device and the liquid inlet or exhaust hole, and then the top of the liquid adding tube 1 at the exhaust hole position is connected to the external waste liquid tank through an external hose. Then the external grouting equipment injects slurry into the road hollow through the liquid adding tube 1 at the liquid inlet position. In this process, the air and excess slurry in the road hollow are discharged into the external waste liquid tank through the liquid adding tube 1 and the external hose. The slurry transmits extrusion stress to the sealing airbag 6 during the injection and expansion filling process. At this time, multiple groups of partition fan plates 8 form a longitudinal elastic reinforcement structure inside the sealing airbag 6, and the longitudinal elastic reinforcement structure buffers and reduces part of the longitudinal extrusion stress, while multiple groups of reinforced series rings 9 form a transverse elastic reinforcement structure on the inner wall of the sealing airbag 6, and the transverse elastic reinforcement structure buffers and reduces part of the transverse extrusion stress. At the same time, multiple groups of partition fan plates 8 and reinforced series rings 9 form a grid structure on the inner wall of the sealing airbag 6, and the grid structure further increases the air pressure that the sealing airbag 6 can withstand.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road surface repair grouting device, comprising a liquid adding pipe (1), characterized in that: The outer surface of the liquid-filling pipe (1) is sleeved with an extension pipe (2), the outer surface of the extension pipe (2) is provided with a pitch-adjusting external thread (3), the outer surface of the pitch-adjusting external thread (3) is threaded with a pitch-adjusting nut (4), the outer surface of the extension pipe (2) is connected to an air intake pipe (5), the outer surface of the liquid-filling pipe (1) is sleeved with a sealing airbag (6), the outer surface of the extension pipe (2) is fixedly connected to the surface of the sealing airbag (6), a reinforcing component (7) is provided inside the sealing airbag (6), the reinforcing component (7) includes a plurality of groups of partition panels (8) and reinforcing series rings (9), the outer side surfaces of each group of the partition panels (8) and the reinforcing series rings (9) are fixedly connected to the inner wall of the sealing airbag (6), and the outer surface of each group of the partition panels (8) is provided with a plurality of groups of series grooves for inserting the reinforcing series rings (9) therein.

2. A road surface repair grouting device according to claim 1, characterized in that: The top end of the liquid adding pipe (1) is provided with an auxiliary fixing ring (10), and the top end of the auxiliary fixing ring (10) is provided with a tapered thread insert (11).

3. A road surface repair grouting device according to claim 2, characterized in that: It also comprises a lubricating liner (16), wherein the inner walls of the liquid adding pipe (1), the auxiliary fixing ring (10) and the tapered thread insert (11) are fixedly connected to the outer surface of the lubricating liner (16).

4. A road surface repair grouting device according to claim 1, characterized in that: An outer sealing ring (12) is provided at the bottom end of the spacing nut (4), and a sealing insert (13) is provided at the bottom of the outer sealing ring (12).

5. A road surface repair grouting device according to claim 1, characterized in that: It also comprises a first reinforcement ring (14) and a second reinforcement ring (15), wherein the first reinforcement ring (14) is sleeved on the connection position between the sealing airbag (6) and the liquid adding tube (1), and the second reinforcement ring (15) is sleeved on the connection position between the sealing airbag (6) and the extension tube (2).

6. A road surface repair grouting device according to claim 2, characterized in that: The surfaces of the liquid adding pipe (1), the extension pipe (2), the distance adjusting nut (4), the air inlet pipe (5), the auxiliary fixing ring (10) and the tapered thread insert (11) are all provided with an anti-corrosion coating.

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