Connecting device for tunnel grouting small guide pipe and grouting pipe

Abstract

A connecting device for a tunnel grouting small guide pipe and a grouting pipe comprises a pull handle buckle type connector, the pull handle buckle type connector comprises a pull handle buckle type connector female head, a pull handle and a pull handle buckle type connector male head, and the female end of the pull handle buckle type connector female head is connected with the male end of the pull handle buckle type connector male head in an inserted and sleeved mode. The wrench handle buckle type connector female head is provided with a wrench handle used for connecting the wrench handle buckle type connector male head in a locking mode. The end, away from the pull handle buckle type connector male head, of the pull handle buckle type connector female head is connected with a grouting pipe, the end, away from the pull handle buckle type connector female head, of the pull handle buckle type connector male head is connected with a grout stop valve, the feeding end of the grout stop valve is in threaded connection with the pull handle buckle type connector male head, and the discharging end of the grout stop valve is in threaded connection with a small guide pipe. A handheld rotating handle is arranged on the pull handle buckle type joint male head; and a grout stopping valve handle is arranged on the grout stopping valve. The connecting device is simple in structure and easy and convenient to operate, the mounting and dismounting process of the grouting connector is simplified, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tunnel surrounding rock grouting reinforcement construction, in particular to a connecting device for tunnel grouting small catheter and grouting pipe. BACKGROUND

[0002] In the tunnel engineering construction process, the tunnel small catheter as important grouting tool is widely used in stratum reinforcement, waterproof plugging and other links, the small catheter plays a reinforcing role to loose stratum, and the stability of loose and weak surrounding rock is enhanced after grouting, which is beneficial to the stability of surrounding rock within the time of completing excavation and initial support, and the surrounding rock is not prone to instability and damage until collapse. The conventional tunnel small catheter grouting joint usually adopts threaded connection or welding mode to fix, and the connection mode is cumbersome to operate and time-consuming during installation and disassembly, and often leads to the grouting joint being unable to be reused after disassembly, thereby increasing the construction cost.

[0003] In addition, the conventional grouting joint has defects in grouting stop, and in construction, when the grouting pipe is removed after grouting, the concrete pressure in the small catheter will decrease, the concrete will backflow, the grouting quality is reduced, and the grouting effect and engineering quality are affected. In view of the above problems, there is an urgent need for a tunnel small catheter grouting joint with simple structure, convenient operation, good grouting stop effect and reusability to meet the actual needs of tunnel engineering construction. SUMMARY

[0004] The utility model aims at the problems existing in the prior art, provides a connecting device for tunnel grouting small catheter and grouting pipe, which has simple structure and convenient operation, and through the design of the quick connector and the handle, the quick installation and disassembly of the grouting joint are realized, and the construction efficiency is greatly improved.

[0005] The utility model is implemented by the following technical solutions:

[0006] The utility model relates to a kind of connecting device for tunnel grouting small catheter and grouting pipe, including wrench buckle type joint, wrench buckle type joint includes wrench buckle type joint female, wrench and wrench buckle type joint male, the female end of wrench buckle type joint female is inserted with the male end of wrench buckle type joint male, wrench buckle type joint female is equipped on the wrench for the locking connection of wrench buckle type joint male, the operation of wrench can quickly realize wrench buckle type joint female and wrench buckle type joint male connection and separation;The end of wrench buckle type joint female away from wrench buckle type joint male is connected with grouting pipe, the end of wrench buckle type joint male away from wrench buckle type joint female is connected with stop grouting valve, the feed end of stop grouting valve is threadedly connected with wrench buckle type joint male, the discharge end of stop grouting valve is threadedly connected with small catheter, stop grouting valve is used to connect wrench buckle type joint and small catheter, to realize the stop grouting function in grouting process;The male of wrench buckle type joint is provided with the hand-held rotating handle for rotating wrench buckle type joint male, and the connection of wrench buckle type joint male and stop grouting valve is made by the hand-held rotating handle of wrench buckle type joint male to rotate and twist, so that wrench buckle type joint male and stop grouting valve are threadedly locked connection;The stop grouting valve is provided with stop grouting valve handle for twisting stop grouting valve.

[0007] Further preferably, the female end of the wrench buckle type joint female is provided with external threads, the grouting pipe is provided with internal threads, and the wrench buckle type joint female and the grouting pipe are connected by threads.

[0008] Further preferably, the discharge end of the stop grouting valve is provided with external threads, and the small catheter is provided with internal threads.

[0009] Further preferably, the feed end of the stop grouting valve is provided with internal threads, and the male of the wrench buckle type joint is provided with external threads.

[0010] The connecting device for tunnel grouting small catheter and grouting pipe has simple structure and convenient operation. Through the design of quick connector and handle, the grouting connector can be quickly installed and disassembled, which greatly improves the construction efficiency. The stop grouting valve is made of material with good sealing performance, and the application of the stop grouting valve ensures the stop grouting effect of grout during grouting process, avoiding the problem of grout leakage. The grouting connector can be kept intact after disassembly, which is convenient for repeated use, reduces construction cost, and is suitable for various tunnel construction environments, with high practicality and promotional value. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the connection state structure diagram of the connecting device for the small catheter and the grouting pipe of tunnel grouting;

[0012] Figure 2 is the split state structure diagram of the connecting device for the small catheter and the grouting pipe of tunnel grouting in embodiment 1;

[0013] Figure 3 is the split state structure diagram of the connecting device for the small catheter and the grouting pipe of tunnel grouting in embodiment 2;

[0014] The name corresponding to the serial number in the figure is:

[0015] 1, grouting pipe; 2, wrench buckle type joint female head; 3, wrench handle; 4, handheld rotating handle; 5, wrench buckle type joint male head; 6, grout valve handle; 7, grout valve; 8, small catheter. DETAILED DESCRIPTION

[0016] The technical solutions in the application will be described clearly and completely below in combination with embodiments, and the described embodiments are only a part of the embodiments of the application, rather than all the embodiments. Embodiment 1

[0017] The utility model relates to a kind of connecting device for tunnel grouting small catheter and grouting pipe, including wrench buckle joint, and the wrench buckle joint includes wrench buckle joint female head 2, wrench handle 3 and wrench buckle joint male head 5, the female end of wrench buckle joint female head 2 is inserted with the male end of wrench buckle joint male head 5 and is connected, wrench handle 3 for the locking connection of wrench buckle joint male head 5 is installed on wrench buckle joint female head 2, and the connection and separation of wrench buckle joint female head 2 and wrench buckle joint male head 5 can be realized quickly by the operation of wrench handle 3;The end of wrench buckle joint female head 2 away from wrench buckle joint male head 5 is provided with external thread, grouting pipe 1 is provided with internal thread, and wrench buckle joint female head 2 is connected with grouting pipe 1 using thread, the end of wrench buckle joint male head 5 away from wrench buckle joint female head 2 is connected with grout valve 7, the inlet end of grout valve 7 is provided with internal thread, and wrench buckle joint male head 5 is provided with external thread, and the inlet end of grout valve 7 is connected with wrench buckle joint male head 5 using thread, and the outlet end of grout valve 7 is provided with external thread, and small catheter 8 is provided with internal thread, and the outlet end of grout valve 7 is connected with small catheter 8 using thread, and grout valve 7 is used to connect wrench buckle joint and small catheter 8, to realize the grouting function in the process of grouting;The hand-held rotating handle 4 for rotating wrench buckle joint male head 5 is arranged on the wrench buckle joint male head 5, and the connection of wrench buckle joint male head 5 and grout valve 7 is made by the way that hand-held rotating handle 4 on wrench buckle joint male head 5 is rotated and twisted, so that wrench buckle joint male head 5 and grout valve 7 are connected using thread;Grout valve handle 6 for rotating grout valve 7 is arranged on grout valve 7. Example 2

[0018] The utility model relates to a kind of connecting device for tunnel grouting small catheter and grouting pipe, including wrench buckle joint, and the wrench buckle joint includes wrench buckle joint female head 2, wrench handle 3 and wrench buckle joint male head 5, the female end of wrench buckle joint female head 2 is inserted into the male end of wrench buckle joint male head 5 and is connected, wrench handle 3 is installed on wrench buckle joint female head 2 for the locking connection of wrench buckle joint male head 5, and the connection and separation of wrench buckle joint female head 2 and wrench buckle joint male head 5 can be realized quickly by the operation of wrench handle 3;The end of wrench buckle joint female head 2 away from wrench buckle joint male head 5 is provided with internal thread, grouting pipe 1 is provided with external thread, and wrench buckle joint female head 2 is connected with grouting pipe 1 using thread, the end of wrench buckle joint male head 5 away from wrench buckle joint female head 2 is connected with stop valve 7, the inlet end of stop valve 7 is provided with internal thread, and wrench buckle joint male head 5 is provided with external thread, and the inlet end of stop valve 7 is connected with wrench buckle joint male head 5 using thread, and the outlet end of stop valve 7 is provided with external thread, and small catheter 8 is provided with internal thread, and the outlet end of stop valve 7 is connected with small catheter 8 using thread, and stop valve 7 is used to connect wrench buckle joint and small catheter 8, to realize the stop function in the process of grouting;Hand rotating handle 4 is arranged on the wrench buckle joint male head 5 for the rotation of wrench buckle joint male head 5, and the connection of wrench buckle joint male head 5 and stop valve 7 is made into thread locking connection by the way that hand rotating handle 4 on wrench buckle joint male head 5 is rotated and twisted;Stop valve handle 6 is arranged on stop valve 7 for the rotation of stop valve 7.

[0019] The installation process of the connecting device for tunnel grouting small catheter and grouting pipe is as follows: the end of wrench buckle joint female head 2 away from wrench buckle joint male head 5 is connected with grouting pipe 1 using thread, and the connection can be twisted by wrench handle 3 during twisting, the outlet end of stop valve 7 is connected with small catheter 8 using thread by stop valve handle 6, then wrench buckle joint male head 5 is connected with the inlet end of stop valve 7 using thread by hand rotating handle 4, finally the male end of wrench buckle joint male head 5 is inserted into the female end of wrench buckle joint female head 2, and wrench buckle joint male head 5 is locked with wrench buckle joint female head 2 by wrench handle 3, stop valve 7 is opened during grouting, stop valve 7 is closed after grouting, then wrench buckle joint male head 5 is separated from wrench buckle joint female head 2 by wrench handle 3, wrench buckle joint male head 5 is separated from stop valve 7, stop valve 7 is separated from small catheter 8 after the slurry slightly coagulates and does not overflow.

[0020] The above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the essential scope of the utility model shall belong to the protection scope of the utility model.

Claims

1. A connecting device for a tunnel grouting small catheter and a grouting pipe, characterized in that: The wrench buckle type joint comprises a wrench buckle type joint female head (2), a wrench handle (3) and a wrench buckle type joint male head (5), the female end of the wrench buckle type joint female head (2) is connected with the male end of the wrench buckle type joint male head (5) in a sleeve connection, the wrench handle (3) is installed on the wrench buckle type joint female head (2) and is used for locking the wrench buckle type joint male head (5), the end of the wrench buckle type joint female head (2) away from the wrench buckle type joint male head (5) is connected with a grouting pipe (1), the end of the wrench buckle type joint male head (5) away from the wrench buckle type joint female head (2) is connected with a grout stopping valve (7), the feeding end of the grout stopping valve (7) is threadedly connected with the wrench buckle type joint male head (5), and the discharging end of the grout stopping valve (7) is threadedly connected with a small conduit (8); the wrench buckle type joint male head (5) is provided with a hand-held rotating handle (4) used for rotating the wrench buckle type joint male head (5), and the grout stopping valve (7) is provided with a grout stopping valve handle (6) used for rotating the grout stopping valve (7).

2. The connecting device for the small catheter and the grouting pipe of the tunnel grouting according to claim 1, characterized in that: The end of the wrench buckle type joint female head (2) away from the wrench buckle type joint male head (5) is provided with external threads, the grouting pipe (1) is provided with internal threads, and the wrench buckle type joint female head (2) is threadedly connected with the grouting pipe (1).

3. The connecting device for the small catheter and the grouting pipe of the tunnel grouting according to claim 1, characterized in that: The end of the wrench buckle type joint female head (2) away from the wrench buckle type joint male head (5) is provided with internal threads, the grouting pipe (1) is provided with external threads, and the wrench buckle type joint female head (2) is threadedly connected with the grouting pipe (1).

4. The connecting device for the small catheter and the grouting pipe of the tunnel grouting according to claim 1, characterized in that: The discharging end of the grout stopping valve (7) is provided with external threads, and the small conduit (8) is provided with internal threads.

5. The connecting device for tunnel grouting small catheter and grouting pipe according to claim 1, characterized in that: The discharging end of the grout stopping valve (7) is provided with internal threads, and the small conduit (8) is provided with external threads.

6. The connecting device for tunnel grouting small catheter and grouting pipe according to claim 1, characterized in that: The feeding end of the grout stopping valve (7) is provided with internal threads, and the wrench buckle type joint male head (5) is provided with external threads.

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