Quick conversion joint for grouting

Abstract

The utility model discloses a quick conversion joint for grouting, which belongs to the technical field of advanced small conduit and foot-lock anchor pipe conversion and comprises a one-way valve, a connecting component is arranged on one side of the one-way valve, a second pipe body is mounted on one side, far away from the one-way valve, of the connecting component, and a switch component is mounted on one side, far away from the connecting component, of the second pipe body. A first pipe body assembly is arranged above the switch assembly, and the one-way valve and the connecting assembly are connected through a length adjusting and fixing device; by arranging the length adjusting and fixing device, a worker can adjust the overall length of the connector to a certain degree through cooperation of the first screw rod, the movable cylinder and other structures when needed, and therefore work requirements under different conditions can be better met; and a worker can perform auxiliary fixation on the position of the joint through cooperation of structures such as an insertion cone and a second screw rod when needed, so that the working capability of the joint is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of conversion of an advanced small conduit and a locking foot anchor pipe, and particularly relates to a grouting quick conversion joint. Background Art

[0002] Advance small guide tubes and lock-foot anchor pipes are two technical methods used in the tunnel excavation construction process. They are mainly used for pre-support in weak broken zones, shallow buried sections, portal biased sections, sand layers, sand and gravel sections, fault broken zones and other areas during the self-stabilizing period.

[0003] Chinese patent application number 202022152871.9 discloses a conversion joint for grouting construction, comprising a component A and at least one one-way valve used in conjunction with component A; a first tube body detachably connected to a grouting pipe, one end of the first tube body being provided with an external thread, a first hexagonal prism fixedly connected to the outer wall of the first tube body; a second tube body, one end of the second tube body being threadedly connected to the one-way valve, the other end of the one-way valve being threadedly connected to an acoustic detection pipe, a second hexagonal prism connected to the outer wall of the second tube body; and a valve switch, the two ends of the valve switch being threadedly connected to the first tube body and the second tube body, respectively. The first tube body, the second tube body, and the valve switch constitute the aforementioned component A. This utility model can effectively connect the acoustic detection pipe to the grouting pipe, and is characterized by simple operation, ease of use, high efficiency, safety, and economy. It also has a self-sealing function to facilitate pressure maintenance, and can solve technical problems such as pipe wall leakage and incomplete grouting during bottom hole grouting caused by traditional construction methods.

[0004] 1. The above-mentioned disclosed patent has the problem of being inconvenient to adjust the overall length of the joint and to perform auxiliary fixation, thereby reducing the working capacity of the joint; 2. The above-mentioned disclosed patent has the problem of being inconvenient to adjust the angle of the first tube body, thereby reducing the practicality of the joint. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a grouting quick conversion joint with the characteristics of high working capacity and strong practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grouting quick conversion joint, comprising a one-way valve, a connecting assembly is provided on one side of the one-way valve, a second pipe body is installed on the side of the connecting assembly away from the one-way valve, a switch assembly is installed on the side of the second pipe body away from the connecting assembly, a first pipe body assembly is provided obliquely above the switch assembly, the one-way valve and the connecting assembly are connected by a length adjustment fixing device, and the switch assembly and the first pipe body assembly are connected by a rotation adjustment device.

[0007] Preferably, the length adjustment and fixing device includes a movable cylinder, a first screw, a guide rod, a fixed ring, and a fixed assembly. A fixed ring is installed on the side of the connecting assembly close to the one-way valve, and the first screw is installed on the inner side of the top of the fixed ring through a thread. The movable cylinder is installed on the outside of the first screw and at a position outside the fixed ring. The guide rod is installed on the inside of the movable cylinder and at a position inside the bottom of the fixed ring. A fixed assembly is provided on the outer side of the bottom of the movable cylinder.

[0008] Preferably, the length adjustment and fixing device further includes a sealing ring, and the sealing ring is installed on the outside of the fixing ring and at a position inside the movable cylinder.

[0009] Preferably, the fixing assembly includes a connecting box, an insert cone, a movable plate and a second screw. The connecting box is arranged below the movable cylinder. The second screw is installed on the top of the connecting box and on one side of the movable cylinder through a thread. The movable plate is installed below the second screw and on the inner side of the connecting box through a bearing, and multiple insert cones are installed below the movable plate.

[0010] Preferably, the rotation adjustment device includes a rotating box and a connecting pipe, the connecting pipe is installed on the side of the switch assembly away from the second tube body, and the rotating box is installed on one side of the first tube body assembly and above the connecting pipe.

[0011] Preferably, the rotation adjustment device also includes a vertical plate, a third screw and a rubber block. The vertical plates are installed below the rotating box and on both sides of the top of the connecting tube. The third screw is installed on the inner side of the vertical plate through a thread, and a rubber block is installed on the side of the third screw close to the top of the connecting tube.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model provides a length adjustment and fixing device, so that the staff can adjust the overall length of the joint to a certain extent through the cooperation of the first screw and the movable cylinder and other structures when needed, so as to better meet the work needs in different situations. In addition, the staff can assist in fixing the position of the joint through the cooperation of the insert cone and the second screw and other structures when needed, thereby improving the working capacity of the joint.

[0014] 2. The utility model provides a rotation adjustment device, so that the staff can adjust the angle of the first tube body assembly when necessary through the cooperation of structures such as the rotating box and the connecting pipe, so as to better meet the working needs in different situations and thus improve the practicality of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2It is a three-dimensional cutaway view of the utility model;

[0017] Figure 3 This is a three-dimensional cutaway view of the length adjustment and fixing device of the utility model;

[0018] Figure 4 It is a three-dimensional cutaway view of the rotary adjustment device of the present invention.

[0019] In the figure: 1. One-way valve; 2. Length adjustment fixing device; 21. Sealing ring; 22. Moving cylinder; 23. First screw; 24. Guide rod; 25. Fixing ring; 26. Fixing assembly; 261. Connecting box; 262. Insert cone; 263. Moving plate; 264. Second screw; 3. Rotation adjustment device; 31. Rotating box; 32. Vertical plate; 33. Third screw; 34. Rubber block; 35. Connecting pipe; 4. First tube body assembly; 5. Switch assembly; 6. Second tube body; 7. Connecting assembly. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a grouting quick conversion joint, including a one-way valve 1, a connecting component 7 is provided on one side of the one-way valve 1, a second pipe body 6 is installed on the side of the connecting component 7 away from the one-way valve 1, a switch component 5 is installed on the side of the second pipe body 6 away from the connecting component 7, a first pipe body component 4 is provided obliquely above the switch component 5, the one-way valve 1 and the connecting component 7 are connected by a length adjustment fixing device 2, and the switch component 5 and the first pipe body component 4 are connected by a rotation adjustment device 3.

[0023] Specifically, the length adjustment and fixing device 2 includes a movable cylinder 22, a first screw 23, a guide rod 24, a fixing ring 25, and a fixing assembly 26. The fixing ring 25 is installed on the side of the connecting assembly 7 close to the one-way valve 1. The first screw 23 is installed on the inner side of the top of the fixing ring 25 through a thread. The movable cylinder 22 is installed on the outside of the first screw 23 and at a position outside the fixing ring 25. The guide rod 24 is installed on the inside of the movable cylinder 22 and at a position inside the bottom of the fixing ring 25. The fixing assembly 26 is provided on the outer side of the bottom of the movable cylinder 22.

[0024] By adopting the above technical solution, the staff can adjust the overall length of the joint to a certain extent through the cooperation of the first screw 23 and the moving cylinder 22 and other structures when necessary, so as to better meet the working needs in different situations.

[0025] Specifically, the length-adjusting and fixing device 2 further includes a sealing ring 21 . The sealing ring 21 is installed outside the fixing ring 25 and inside the moving cylinder 22 .

[0026] By adopting the above technical solution, the joint can ensure the sealing between the fixed ring 25 and the movable cylinder 22 through the sealing ring 21, thereby preventing leakage and better meeting the work needs.

[0027] Specifically, the fixing assembly 26 includes a connecting box 261, an insert cone 262, a movable plate 263 and a second screw 264. The connecting box 261 is arranged below the movable cylinder 22. The second screw 264 is installed on the top of the connecting box 261 and on one side of the movable cylinder 22 through a thread. The movable plate 263 is installed below the second screw 264 and on the inner side of the connecting box 261 through a bearing, and multiple insert cones 262 are installed below the movable plate 263.

[0028] By adopting the above technical solution, the staff can assist in fixing the position of the joint through the cooperation of structures such as the insert cone 262 and the second screw 264 when necessary, thereby better meeting the work needs in different situations.

[0029] When this embodiment is used, when the advance small catheter and the locking foot anchor pipe need to use a conversion joint, the first screw 23 in the length adjustment fixing device 2 is rotated, and the first screw 23 is threadedly connected to the fixing ring 25 on the connecting component 7, and the first screw 23 is bearing-connected to the moving cylinder 22, and the guide rod 24 on the moving cylinder 22 is slidingly connected to the fixing ring 25, so the first screw 23 drives the moving cylinder 22 and the one-way valve 1 thereon to move, thereby adjusting the overall length of the joint, and then the staff connects the one-way valve 1 and the first pipe body assembly 4 to the advance small catheter and the locking foot anchor pipe, and then through The switch assembly 5 and the second tube body 6 and other structures can work together. When necessary, the staff can rotate the second screw 264 in the fixed assembly 26. The second screw 264 is threadedly connected to the connecting box 261, and the second screw 264 is connected to the movable plate 263 by a bearing. The outer side of the movable plate 263 and the inner side of the connecting box 261 fit together, so the second screw 264 drives the movable plate 263 to move, and then drives each cone 262 to penetrate into the ground or wall, etc., thereby fixing the position of the joint, and the sealing ring 21 plays a role in ensuring sealing.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the rotation adjustment device 3 includes a rotating box 31 and a connecting tube 35, the connecting tube 35 is installed on the side of the switch assembly 5 away from the second tube body 6, and the rotating box 31 is installed on one side of the first tube body assembly 4 and at a position above the connecting tube 35.

[0032] By adopting the above technical solution, the staff can adjust the angle of the first tube body assembly 4 when necessary through the cooperation of the rotating box 31 and the connecting pipe 35 and other structures, so as to better meet the working needs in different situations.

[0033] Specifically, the rotation adjustment device 3 also includes a vertical plate 32, a third screw 33 and a rubber block 34. The vertical plates 32 are installed below the rotating box 31 and on both sides of the top of the connecting tube 35. The third screw 33 is installed on the inner side of the vertical plate 32 through a thread, and the rubber block 34 is installed on the side of the third screw 33 close to the top of the connecting tube 35.

[0034] By adopting the above technical solution, the staff can prevent the rotation of the rotating box 31 by the cooperation of the third screw 33 and the rubber block 34 when necessary, thereby preventing the occurrence of accidental rotation.

[0035] When this embodiment is used, when necessary, the staff can rotate the rotating box 31 in the rotation adjustment device 3 so that it and the first tube body assembly 4 thereon rotate around the connecting tube 35 to a required angle. The rotating box 31 and the connecting tube 35 are connected by bearings, and then the two third screws 33 are rotated respectively. The third screw 33 is threadedly connected to the vertical plate 32, and the third screw 33 is connected to the rubber block 34 by bearings. The outer top surface of the rubber block 34 fits with the outer bottom surface of the rotating box 31. Therefore, the two third screws 33 respectively drive the two rubber blocks 34 to clamp the connecting tube 35, thereby preventing the rotating box 31 from rotating. The angle adjustment of the first tube body assembly 4 is completed, thereby better meeting the working needs in different situations.

[0036] In the utility model, the structure and principle of the one-way valve 1, the first tube body assembly 4 composed of the first tube body, the first hexagonal column and the first limit retaining ring, the switch assembly 5 composed of the valve switch and the third hexagonal column, the second tube body 6, and the connecting assembly 7 composed of the second hexagonal column, the inner six holes and the second limit retaining ring have been disclosed in a conversion joint for grouting construction disclosed in Chinese patent application No. 202022152871.9. Its working principle is as follows: Step 1: A one-way valve is installed on each acoustic detection pipe; Step 2: Connect a component A to a grouting pipe of a grouting equipment; Step 3: Connect component A to one of the one-way valves, start the grouting equipment, start grouting, and after the grouting is completed, remove component A from the one-way valve, and then install component A on another un-grouted one-way valve to complete the grouting; Step 3: until all the acoustic detection pipes are connected. The measuring pipes are all grouting completed; in addition, when the second hexagonal column is worn, a wrench is used to clamp it on the third hexagonal column, and then the second pipe body is disassembled as a whole, and then the second hexagonal column is moved along the length direction of the second pipe body to remove the second hexagonal column from the second pipe body, and then a new second hexagonal column is replaced; after the replacement is completed, the second pipe body is installed back to its original position; one component A can be used in conjunction with multiple one-way valves. When grouting, it is only necessary to connect the one-way valve on the conversion joint to the acoustic testing pipe. There is no need to install the entire conversion joint on the acoustic testing pipe. One component A can complete the grouting of multiple acoustic testing pipes, which is convenient for maintaining pressure while maximizing cost savings, optimizing construction technology, and improving the utilization rate of grouting equipment. There is no need to wait for pressure holding time, achieving continuous grouting, improving construction speed, and shortening the construction period.

[0037] The working principle and usage process of the present invention are as follows: when the advance small catheter and the locking foot anchor tube need to use a conversion joint, the first screw 23 in the length adjustment fixing device 2 is rotated, and the first screw 23 is threadedly connected to the fixing ring 25 on the connecting component 7, and the first screw 23 is bearing-connected to the movable cylinder 22, and the guide rod 24 on the movable cylinder 22 is slidingly connected to the fixing ring 25, so the first screw 23 drives the movable cylinder 22 and the one-way valve 1 thereon to move, thereby adjusting the overall length of the joint, and then the staff connects the one-way valve 1 and the first pipe body assembly 4 with the advance small catheter and the locking foot anchor tube, and then works through the cooperation of the switch assembly 5 and the second pipe body 6 and other structures. When needed, the staff can rotate the second screw 264 in the fixing assembly 26, and the second screw 264 is threadedly connected to the connecting box 261, and the second screw 264 is bearing-connected to the movable plate 263, and the outer side of the movable plate 263 is connected to the connecting box 2 The inner sides of 61 fit together, so the second screw 264 drives the movable plate 263 to move, and then drives each cone 262 to penetrate into the ground or wall, etc., and then fix the position of the joint, and the sealing ring 21 plays a role in ensuring the sealing; when necessary, the staff can rotate the rotating box 31 in the rotating adjustment device 3, so that it and the first tube body assembly 4 on it rotate around the connecting pipe 35 to a required angle, and the rotating box 31 and the connecting pipe 35 are connected by a bearing. Then, the two third screws 33 are rotated respectively. The third screw 33 is threadedly connected to the vertical plate 32, and the third screw 33 is bearingly connected to the rubber block 34, and the outer top surface of the rubber block 34 fits together with the outer bottom surface of the rotating box 31, so the two third screws 33 respectively drive the two rubber blocks 34 to clamp the connecting pipe 35, thereby preventing the rotating box 31 from rotating. The angle adjustment of the first tube body assembly 4 is completed, thereby better meeting the work needs in different situations.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grouting quick-change joint, comprising a one-way valve (1), a connecting assembly (7) being provided on one side of the one-way valve (1), a second pipe body (6) being installed on the side of the connecting assembly (7) away from the one-way valve (1), a switch assembly (5) being installed on the side of the second pipe body (6) away from the connecting assembly (7), and a first pipe body assembly (4) being provided obliquely above the switch assembly (5), characterized in that: The one-way valve (1) and the connecting assembly (7) are connected via a length adjustment fixing device (2), and the switch assembly (5) and the first pipe body assembly (4) are connected via a rotation adjustment device (3).

2. The grouting quick-change joint according to claim 1, characterized in that: The length adjustment and fixing device (2) comprises a moving cylinder (22), a first screw (23), a guide rod (24), a fixing ring (25), and a fixing assembly (26). The fixing ring (25) is installed on the side of the connecting assembly (7) close to the one-way valve (1). The first screw (23) is installed on the inner side of the top of the fixing ring (25) through a thread. The moving cylinder (22) is installed on the outer side of the first screw (23) and at a position outside the fixing ring (25). The guide rod (24) is installed on the inner side of the moving cylinder (22) and at a position inside the bottom of the fixing ring (25). The fixing assembly (26) is provided on the outer side of the bottom of the moving cylinder (22).

3. The grouting quick-change joint according to claim 2, characterized in that: The length adjustment and fixing device (2) further comprises a sealing ring (21), which is installed outside the fixing ring (25) and at a position inside the moving cylinder (22).

4. The grouting quick conversion joint according to claim 2, characterized in that: The fixing assembly (26) comprises a connecting box (261), an insert cone (262), a movable plate (263) and a second screw rod (264). The connecting box (261) is provided below the movable cylinder (22). The second screw rod (264) is installed via a thread at the top of the connecting box (261) and at a position located on one side of the movable cylinder (22). The movable plate (263) is installed via a bearing below the second screw rod (264) and at a position located inside the connecting box (261). A plurality of insert cones (262) are installed below the movable plate (263).

5. The grouting quick-change joint according to claim 1, characterized in that: The rotation adjustment device (3) comprises a rotation box (31) and a connecting pipe (35); the connecting pipe (35) is installed on a side of the switch assembly (5) away from the second tube body (6); and the rotation box (31) is installed on a side of the first tube body assembly (4) and at a position above the connecting pipe (35).

6. The grouting quick-change joint according to claim 5, characterized in that: The rotation adjustment device (3) further comprises a vertical plate (32), a third screw rod (33) and a rubber block (34). The vertical plates (32) are installed below the rotation box (31) and at positions on both sides of the top end of the connecting tube (35). The third screw rod (33) is installed on the inner side of the vertical plate (32) through a thread. The rubber block (34) is installed on one side of the third screw rod (33) close to the top end of the connecting tube (35).

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