Grouting joint of highway base

Abstract

The utility model discloses a grouting joint of a road base layer, which comprises a grouting pipeline and a grouting insertion pipe, the grouting pipeline is connected with the grouting insertion pipe, the grouting insertion pipe comprises a grout inlet and a grout outlet, the grouting pipeline is connected with the grout inlet through a differentiation assembly, the grout outlet is connected with a locking assembly, and the locking assembly is connected with a grouting pipe. Tight connection of the grouting pipeline and the grouting insertion pipe is ensured through the differentiation assembly, uniform dispersion and smooth flowing of grout are promoted, and leakage is prevented; the locking assembly provides stable connection, and the overall stability is improved; the design of the back-flushing port realizes a back-flushing function, pipeline residues are cleaned, and blockage is prevented; the tight connection and the sealing performance between the grout outlet and the insertion pipe are ensured through the sealing and connecting design, and grout leakage is prevented; the pressure difference design promotes slurry flowing, and the grouting effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of road repair, and particularly relates to a grouting joint for a highway base course. Background Art

[0002] In traditional highway base course grouting technology, the pipeline is directly connected to the grouting pipe and inserted into the ground for grouting. The following problems exist: the stability of the connection is poor, it is easy to loosen and cause slurry leakage; the sealing performance is not good, affecting the grouting effect; it is difficult to ensure the grouting uniformity, and some areas may be under-grouted or over-grouted; it is difficult to clean the residues, affecting the subsequent construction; the construction efficiency is low and the quality control is difficult. These problems have prompted the continuous innovation of modern grouting technology to improve the construction quality and efficiency. Content of the Utility Model

[0003] To solve the problems raised in the above background art, the utility model provides the following technical solution: a grouting joint for a highway base course, including a grouting pipeline and a grouting pipe. The grouting pipeline is connected to the grouting pipe. The grouting pipe includes a slurry inlet and a slurry outlet. The grouting pipeline is connected to the slurry inlet through a dividing component. The slurry outlet is connected with a locking component. The dividing component includes a pressing head and a dividing hopper. The surface of the dividing hopper is evenly distributed with dividing holes. The dividing hopper is clamped in the slurry inlet. The pressing head is connected to the outer wall of the slurry inlet. The pressing head is open at both ends. The grouting pipeline is connected to the pressing head. The locking component includes a handle, a core shaft, a pipe socket, and a sleeve. The pipe socket is used to connect to the road surface. The sleeve is detachably connected to the slurry outlet. An assembly groove adapted to the handle is formed on the outer wall of the sleeve. One end of the handle is connected to the assembly groove through the core shaft. A clamping block is arranged at one end of the handle close to the core shaft. A clamping groove adapted to the clamping block is formed on the outer wall of the pipe socket. The slurry outlet is connected to the pipe socket.

[0004] Further, a backflush port is arranged on the outer wall of the grouting pipe. The backflush port is arranged lower than the dividing holes. The backflush port is used to connect a one-way valve.

[0005] Further, a retaining ring is arranged on the outer wall of the slurry outlet. The sleeve is provided with a retaining groove adapted to the retaining ring. The slurry outlet is connected to the sleeve through a threaded ring. The threaded ring is located in the retaining groove and abuts against the retaining ring.

[0006] Further, a tool slot is formed at the end of the threaded ring.

[0007] Further, a stepped groove adapted to the slurry outlet is formed at the end of the pipe socket.

[0008] Further, a rubber sleeve is arranged at the end of the slurry outlet.

[0009] Furthermore, a positioning groove adapted to the differentiation hopper is provided at the slurry inlet.

[0010] Furthermore, the inner diameter of the slurry inlet is larger than that of the slurry outlet.

[0011] The beneficial effects of the present utility model are as follows: The differentiation component ensures the tight connection between the grouting pipeline and the grouting insertion tube, promotes the uniform dispersion and smooth flow of the slurry, and prevents leakage; the locking component provides a stable connection and improves the overall stability; the design of the backwash port realizes the reverse flushing function, clears the residues in the pipeline, and prevents blockage; the sealing and connection design ensures the tight connection and sealing between the slurry outlet and the insertion tube, preventing slurry leakage; the pressure difference design promotes the flow of the slurry and improves the grouting effect. Description of the Drawings

[0012] Figure 1 is a perspective view of the present utility model;

[0013] Figure 2 is a front view of the present utility model;

[0014] Figure 3 is Figure 2 a sectional view taken along the A-A direction in

[0015] Figure 4 is a first perspective exploded view of the present utility model;

[0016] Figure 5 is a second perspective exploded view of the present utility model;

[0017] Figure 6 is a structural schematic diagram of the insertion tube in the present utility model;

[0018] Figure 7 is a structural schematic diagram of the threaded ring in the present utility model.

[0019] The meanings of the reference numerals in the drawings: 1 - grouting pipeline; 2 - grouting insertion tube; 3 - slurry inlet; 4 - slurry outlet; 5 - pressure head; 6 - differentiation hopper; 7 - differentiation hole; 8 - handle; 9 - mandrel; 10 - insertion tube; 11 - sleeve; 12 - assembly groove; 13 - clamping block; 14 - clamping groove; 15 - backwash port; 16 - retaining ring; 17 - retaining groove; 18 - tool slot; 19 - stepped groove; 20 - rubber sleeve; 21 - positioning groove; 22 - threaded ring. Detailed Embodiments

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1-7 , the present utility model provides the following technical solutions: A grouting joint for a highway base layer, including a grouting pipeline 1 and a grouting insertion pipe 102. The grouting pipeline 1 is connected to the grouting insertion pipe 102. The grouting insertion pipe 102 includes a slurry inlet 3 and a slurry outlet 4. The grouting pipeline 1 is connected to the slurry inlet 3 through a splitting component. The slurry outlet 4 is connected with a locking component. The splitting component includes a pressing head 5 and a splitting hopper 6. The surface of the splitting hopper 6 is evenly distributed with splitting holes 7. The splitting hopper 6 is clamped in the slurry inlet 3. The pressing head 5 is connected to the outer wall of the slurry inlet 3. The pressing head 5 is open at both ends. The grouting pipeline 1 is connected to the pressing head 5. The locking component includes a handle 8, a core shaft 9, an insertion pipe 10, and a sleeve 11. The insertion pipe 10 is used to connect to the road surface. The sleeve 11 is detachably connected to the slurry outlet 4. An assembly groove 12 adapted to the handle 8 is opened on the outer wall of the sleeve 11. One end of the handle 8 is connected to the assembly groove 12 through the core shaft 9. A clamping block 13 is arranged at one end of the handle 8 close to the core shaft 9. A clamping groove 14 adapted to the clamping block 13 is opened on the outer wall of the insertion pipe 10. The slurry outlet 4 is connected to the insertion pipe 10.

[0022] In the above structure, the close connection between the grouting pipeline 1 and the grouting insertion pipe 102 is realized through the splitting component (including the pressing head 5 and the splitting hopper 6), ensuring that the slurry can flow smoothly during the grouting process and is not easy to leak. The locking component (including the handle 8, the core shaft 9, the insertion pipe 10, and the sleeve 11) makes the slurry outlet 4 and the insertion pipe 10 form a stable connection through the adaptation of the clamping block 13 on the handle 8 and the clamping groove 14 on the outer wall of the insertion pipe 10, improving the overall stability of the grouting joint.

[0023] In this embodiment, a backwash port 15 is arranged on the outer wall of the grouting insertion pipe 102. The backwash port 15 is arranged lower than the splitting holes 7. The backwash port 15 is used to connect a one-way valve.

[0024] With the above structure, by arranging the backwash port 15 lower than the splitting holes 7 on the outer wall of the grouting insertion pipe 102 and connecting a one-way valve, the function of reverse flushing can be provided during the grouting process, which helps to clean the residues in the pipeline, prevent blockage, and improve the grouting efficiency and quality.

[0025] In this embodiment, a retaining ring 16 is provided on the outer wall of the slurry outlet 4. The sleeve 11 is provided with a retaining groove 17 adapted to the retaining ring 16. The slurry outlet 4 is connected to the sleeve 11 through a threaded ring 22. The threaded ring 22 is located in the retaining groove 17 and abuts against the retaining ring 16.

[0026] With the above structure, the cooperation of the retaining ring 16 on the outer wall of the slurry outlet 4, the assembly groove 12 on the sleeve 11 and the threaded ring 22 realizes the stable connection between the slurry outlet 4 and the sleeve 11. At the same time, the threaded ring 22 is located in the assembly groove 12 and abuts against the retaining ring 16, enhancing the sealing performance and preventing slurry leakage.

[0027] In this embodiment, a tool slot 18 is provided at the end of the threaded ring 22, and the tool slot 18 is hexagonal.

[0028] With the above structure, the tool slot 18 at the end of the threaded ring 22 facilitates the tightening or loosening operation using tools, improving the installation convenience and efficiency.

[0029] In this embodiment, a stepped groove 19 adapted to the slurry outlet 4 is provided at the end of the insertion tube 10.

[0030] With the above structure, the stepped groove 19 at the end of the insertion tube 10 is adapted to the slurry outlet 4, ensuring the tight connection between the insertion tube 10 and the slurry outlet 4, and also contributing to the stable installation of the insertion tube 10 in the road surface.

[0031] In this embodiment, a rubber sleeve 20 is provided at the end of the slurry outlet 4.

[0032] With the above structure, the rubber sleeve 20 at the end of the slurry outlet 4 provides an additional sealing effect, preventing slurry leakage at the connection, and also contributing to reducing the friction between the insertion tube 10 and the road surface and protecting the insertion tube 10.

[0033] In this embodiment, a positioning groove 21 adapted to the differentiation hopper 6 is provided in the slurry inlet 3.

[0034] With the above structure, the positioning groove 21 provided in the slurry inlet 3 is adapted to the differentiation hopper 6, ensuring the accurate position of the differentiation hopper 6 in the slurry inlet 3 and improving the uniformity and efficiency of grouting.

[0035] In this embodiment, the inner diameter of the slurry inlet 3 is larger than the inner diameter of the slurry outlet 4.

[0036] With the above structure, the inner diameter of the slurry inlet 3 is larger than the inner diameter of the slurry outlet 4. This design helps to form a pressure difference during the grouting process, promoting the smooth flow of the slurry and improving the grouting effect. At the same time, it also helps to prevent the slurry from flowing back at the slurry outlet 4.

[0037] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A grouting joint for a highway base course, comprising a grouting pipe and a grouting insertion pipe, the grouting pipe being connected to the grouting insertion pipe, characterized in that: The grouting insertion pipe includes a grout inlet and a grout outlet. The grouting pipeline is connected to the grout inlet through a dividing component. The grout outlet is connected with a locking component. The dividing component includes a pressing head and a dividing hopper. The surface of the dividing hopper is evenly distributed with dividing holes. The dividing hopper is clamped in the grout inlet. The pressing head is connected to the outer wall of the grout inlet. The pressing head is open at both ends. The grouting pipeline is connected to the pressing head. The locking component includes a handle, a mandrel, an insertion pipe, and a sleeve. The insertion pipe is used to connect to the road surface. The sleeve is detachably connected to the grout outlet. An assembly groove adapted to the handle is formed on the outer wall of the sleeve. One end of the handle is connected to the assembly groove through a mandrel. A clamping block is arranged at one end of the handle near the mandrel. A clamping groove adapted to the clamping block is formed on the outer wall of the insertion pipe. The grout outlet is connected to the insertion pipe.

2. The grouting joint of a highway base according to claim 1, characterized in that: The outer wall of the grouting insertion pipe is provided with a backwash port, which is arranged lower than the dividing holes and is used to connect a check valve.

3. The grouting joint of a highway base according to claim 1, characterized in that: A retaining ring is arranged on the outer wall of the grout outlet. A retaining groove adapted to the retaining ring is formed on the sleeve. The grout outlet is connected to the sleeve through a threaded ring. The threaded ring is located in the retaining groove and abuts against the retaining ring.

4. A grouting joint for a highway base according to claim 3, characterized in that: A tool slot is formed at the end of the threaded ring.

5. A grouting joint for a highway base according to claim 1, characterized in that: A stepped groove adapted to the grout outlet is formed at the end of the insertion pipe.

6. The grouting joint of a highway base layer according to claim 5, characterized in that: A rubber sleeve is arranged at the end of the grout outlet.

7. A grouting joint for a highway base according to claim 1, characterized in that: A positioning groove adapted to the dividing hopper is formed in the grout inlet.

8. A grouting joint for a highway base according to claim 1, characterized in that: The inner diameter of the grout inlet is larger than the inner diameter of the grout outlet.

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