Grouting pipe capable of preventing backflow

Abstract

The utility model relates to the field of grouting pipes, and discloses an anti-backflow grouting pipe which comprises a grouting module, a guniting module is arranged on one side of the grouting module in a sliding mode, the other side of the grouting module is in threaded connection with a connecting module, the grouting module comprises a control valve, a rotating disc is arranged on one side of the upper end face of the control valve in a rotating mode, and the rotating disc is in threaded connection with the connecting module. The guniting module comprises a guniting pipe, a putting-in opening is fixedly formed in the other side of the guniting pipe, a leakage-proof cover is arranged on the upper end face of the putting-in opening in a sliding mode, and the connecting module comprises a connecting guide pipe. According to the utility model, the main structure of the mud jacking module is provided with the control valve, cement paste can pass through the control valve from the inside when the control valve is used, the rotating disc at the upper end of the control valve can control whether the control valve is opened or not when the rotating disc rotates, and the main structure of the slurry spraying module slidably connected with one side of the mud jacking module is provided with the slurry spraying pipe when the slurry spraying module is used. And the cement paste can be jetted to be connected with the reinforcing steel bars.

Description

Technical Field

[0001] This utility model relates to the field of grouting pipes, and in particular to a grouting pipe that can prevent backflow. Background Technology

[0002] Grouting pipes are commonly used in civil engineering, especially in concrete structures for bridge construction, tunnel construction, high-rise buildings, and slope support. Their main function is to transport pressurized cement grout to fill and seal cracks and holes generated during concrete construction, ensuring the integrity and durability of the structure. Grouting pipes are usually made of high-strength, corrosion-resistant materials, such as stainless steel or high-density polyethylene, to adapt to various harsh construction environments.

[0003] With the development of technology, the manufacturing technology of grouting pipes is also constantly improving. New grouting pipes have higher sealing performance and longer service life. However, existing grouting pipes are usually directly inserted into the gap. When cement grout enters the interior of the grouting pipe, it flows from the rear end to the front end, which can easily block the grouting nozzle at the rear end of the grouting pipe, resulting in poor grouting effect. At the same time, after the existing grouting pipes are grouted, workers need to block the rear inlet of the grouting pipe to prevent cement grout from flowing back. After grouting a large number of grouting pipes are grouted, multiple workers are needed to block them, which is very troublesome.

[0004] Therefore, this utility model provides a grouting pipe that can prevent backflow, in order to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a backflow-proof grouting pipe. A fixed surround on one side of the control valve ensures a more secure connection between the control valve and the grouting pipe during use. A connecting block fixed on the other side of the control valve allows the grouting module to be threadedly connected to the connecting module. A grouting nozzle fixed on one side of the grouting pipe sprays cement slurry. When the nozzle is blocked by cement slurry, pulling the grouting module backward allows the cement slurry to be sprayed out from the nozzle.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a backflow-proof grouting pipe, comprising a grouting module, wherein a spraying module is slidably disposed on one side of the grouting module, and a connecting module is threadedly connected to the other side of the grouting module; the grouting module includes a control valve, wherein a rotating disk is rotatably disposed on one side of the upper end face of the control valve;

[0007] The shotcrete module includes a shotcrete pipe, an inlet is fixedly provided on the other side of the shotcrete pipe, a leak-proof cover is slidably provided on the upper end face of the inlet, and the connection module includes a connection conduit, with a wear-resistant layer fixedly provided on the outer surface of the connection conduit.

[0008] The main structure of the grouting module, as described above, includes a control valve that allows cement grout to pass through during use. A rotating disc at the top of the control valve controls whether the valve opens. A slidably connected shotcrete module on one side of the grouting module consists of a shotcrete pipe that sprays cement grout to connect it to the reinforcing steel. An inlet on one side of the shotcrete pipe allows the grouting module to be inserted into it. A leak-proof cap at the top of the inlet slides down after the shotcrete is applied to prevent backflow of cement grout. The fixed connecting module on the other side of the grouting module includes a connecting conduit that connects to the grouting machine, transferring cement grout to the grouting module. A wear-resistant layer on the outer surface of the connecting conduit extends its service life.

[0009] Furthermore, a fixing surround is fixedly provided on the other side of the control valve, and a connecting block is fixedly provided on one side of the control valve;

[0010] Through the above technical solution, the fixed enclosure on one side of the control valve makes the connection between the control valve and the grouting pipe more secure during use, and the fixed connecting block on the other side of the control valve allows the grouting module to be threadedly connected to the connecting module during use.

[0011] Furthermore, a grouting pipe is fixedly installed on the other side of the control valve, and a thickened surround is fixedly installed on one side of the outer surface of the grouting pipe;

[0012] Through the above technical solution, the grouting pipe fixed by the control valve can transmit cement slurry into the interior of the shotcrete module, and the thickened surrounding the outer surface of the grouting pipe can allow the cement slurry coming out of the grouting pipe to flow towards the rear end of the grouting pipe, so that the cement slurry flows forward.

[0013] Furthermore, a spraying head is fixedly installed on one side of the spraying pipe, and multiple spraying nozzles are opened on the outer surface of the spraying pipe;

[0014] With the above technical solution, when the grouting pipe is in use, the American grouting head is fixed on one side to spray out cement grout. When the grouting head is blocked by cement grout, the grouting module is pulled to move it backward so that the cement grout can be sprayed out from the grouting nozzle.

[0015] Furthermore, a snap-fit ​​interface is fixedly provided on the other side of the connecting conduit, and a rotating fixing cover is rotatably provided on the outer surface of the other side of the connecting conduit;

[0016] The above technical solution, with the fixed clamping interface on one side of the connecting conduit and the rotating fixing cover on the other side of the connecting conduit, allows the connecting conduit and the grouting machine to be connected.

[0017] Furthermore, a connecting fixing cap is rotatably provided on one side of the outer surface of the connecting conduit;

[0018] Through the above technical solution, the connecting and fixing cover on the other side of the outer surface of the connecting conduit can be fixed to the connecting block of the grouting module during use, so that the cement slurry inside the connecting conduit can enter the interior of the grouting module.

[0019] This utility model has the following beneficial effects:

[0020] 1. This utility model proposes a backflow-preventable grouting pipe. During use, a control valve allows cement grout to pass through the pipe. A rotating disc at the top of the control valve controls whether the valve opens. A spraying module, slidably connected to one side of the grouting module, mainly consists of a spraying pipe that sprays cement grout to connect it to the reinforcing steel. The grouting module can slide inside the spraying module, which has multiple holes for spraying cement grout. Blocking the holes at the front of the spraying module allows it to be pulled backward, causing the sprayed grout to flow out from the holes at the rear, effectively reducing the pressure inside the spraying pipe and resulting in a more uniform distribution of the sprayed cement grout.

[0021] 2. The present invention proposes a backflow-proof grouting pipe. During use, the grouting module can be inserted into the inlet on one side of the grouting pipe. The leak-proof cap at the top of the inlet can slide downward after the grouting is completed to prevent the cement grout inside the grouting pipe from flowing back. The grouting module can be inserted into the inlet on one side of the grouting pipe. The leak-proof cap at the top of the inlet can slide downward after the grouting is completed to block the inlet and prevent the cement grout inside the grouting pipe from flowing out of the inlet, which can effectively prevent the grouting pipe from flowing back. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the main axial view of the present invention;

[0023] Figure 2 This is an isometric view of the grouting module structure of this utility model;

[0024] Figure 3 This is an isometric view of the shotcrete module structure of this utility model;

[0025] Figure 4 This is an isometric view of the connection module structure of this utility model.

[0026] Legend:

[0027] 1. Grouting module; 2. Connecting module; 3. Shotcrete module; 101. Control valve; 102. Rotating disc; 103. Fixing enclosure; 104. Grouting pipe; 105. Thickened enclosure; 106. Connecting block; 201. Connecting guide pipe; 202. Wear-resistant layer; 203. Rotating fixing cover; 204. Clip interface; 205. Connecting fixing cover; 301. Shotcrete pipe; 302. Shotcrete head; 303. Shotcrete nozzle; 304. Leak-proof cover; 305. Inlet. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figure 1-4 An embodiment of this utility model is provided: a backflow-proof grouting pipe, including a grouting module 1, a spraying module 3 slidably disposed on one side of the grouting module 1, a connecting module 2 threadedly connected to the other side of the grouting module 1, and a control valve 101, with a rotating disk 102 rotatably disposed on one side of the upper end face of the control valve 101.

[0030] The shotcrete module 3 includes a shotcrete pipe 301, an inlet 305 fixedly provided on the other side of the shotcrete pipe 301, a leak-proof cover 304 slidably provided on the upper end surface of the inlet 305, a shotcrete head 302 fixedly provided on one side of the shotcrete pipe 301, and multiple shotcrete nozzles 303 opened on the outer surface of the shotcrete pipe 301. The connecting module 2 includes a connecting conduit 201, and a wear-resistant layer 202 fixedly provided on the outer surface of the connecting conduit 201.

[0031] When in use, the main structure of the grouting module 1 includes a control valve 101. The rotating disc 102 at the upper end of the control valve 101 controls whether the control valve 101 is open when rotated. When open, it allows cement grout to pass through. One side of the grouting module 1 can slide inside the shotcrete module 3. The shotcrete module 3 mainly consists of a shotcrete pipe 301, a shotcrete head 302 fixed on one side of the shotcrete pipe 301, and a shotcrete nozzle 303 on its outer surface, which can spray cement grout to connect the cement grout to the reinforcing steel. An inlet 305 is located on one side of the shotcrete pipe 301. The grouting module 1 can be easily inserted into the spray pipe 301. The leak-proof cover 304 at the top of the inlet 305 can be moved downwards after the spray pipe 301 is sprayed with grout to block the inlet 305 and prevent the cement slurry inside the spray pipe 301 from flowing back. The connecting module 2, which is threaded on the other side of the grouting module 1, mainly has a connecting conduit 201. One side of the connecting conduit 201 is connected to the grouting machine to transfer cement slurry into the grouting module 1. The wear-resistant layer 202 fixed on the outer surface of the connecting conduit 201 can extend the service life of the connecting conduit 201.

[0032] Reference Figure 2 A fixed enclosure 103 is fixedly installed on the other side of the control valve 101, a connecting block 106 is fixedly installed on one side of the control valve 101, a grouting pipe 104 is fixedly installed on the other side of the control valve 101, and a thickened enclosure 105 is fixedly installed on one side of the outer surface of the grouting pipe 104.

[0033] During use, the control valve 101 has a fixing surround 103 on one side to make the connection between the control valve 101 and the grouting pipe 104 more secure, preventing the grouting pipe 104 from falling off due to impact. The connecting block 106 on the other side of the control valve 101 can be threadedly connected to the connecting module 2 for easy disassembly after use. The grouting pipe 104 fixed by the control valve 101 can transmit cement slurry to the inside of the spraying module 3. The thickened surround 105 fixed on the outer surface of the grouting pipe 104 can allow the cement slurry sprayed from the inside of the grouting pipe 104 to spray out at the end, which can prevent the cement slurry from flowing backward and causing blockage of the spraying port 303 at the rear end of the spraying module 3.

[0034] Reference Figure 4 A card interface 204 is fixedly provided on the other side of the connecting conduit 201, a rotating fixing cover 203 is rotatably provided on the outer surface of the other side of the connecting conduit 201, and a connecting fixing cover 205 is rotatably provided on the outer surface of one side of the connecting conduit 201.

[0035] During use, the snap-fit ​​interface 204 fixed on one side of the connecting conduit 201 can snap into the grout outlet of the grouting machine, making the connection tighter. The rotating fixing cover 203 on one side of the connecting conduit 201 can fix the connecting conduit 201 and the grouting machine. The connecting fixing cover 205 on the other side of the outer surface of the connecting conduit 201 can be threaded into the connecting block 106 of the grouting module 1, so that the cement grout inside the connecting conduit 201 can enter the interior of the grouting module 1, and at the same time, it makes it easy to disassemble the connecting module 2 and the grouting module 1.

[0036] Working principle: One side of the grouting module 1 can slide inside the spraying module 3. When the rotating disk 102 at the upper end of the control valve 101 rotates, it can control whether the control valve 101 is open or not. When it is open, the cement slurry can enter the interior of the spraying pipe 301. The spraying head 302 fixed on one side of the spraying pipe 301 and the spraying port 303 opened on the outer surface can spray the cement slurry to connect the cement slurry and the steel bar. The inlet 305 on one side of the spraying pipe 301 can easily put the grouting module 1 into the interior of the spraying pipe 301. The leak-proof cover 304 at the upper end of the inlet 305 can move downward after the spraying pipe 301 is finished spraying to block the inlet 305 and prevent the cement slurry inside the spraying pipe 301 from flowing back.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A backflow-proof pressure grouting pipe comprising a pressure grouting module (1), characterized in that: The slip-joint of the pressure grouting module (1) is provided with a shotcrete module (3), the other side of the pressure grouting module (1) is screw-connected with a connecting module (2), the pressure grouting module (1) comprises a control valve (101), the upper end surface of the control valve (101) is rotatably provided with a rotary disc (102); The shotcrete module (3) comprises a shotcrete pipe (301), the other side of the shotcrete pipe (301) is fixedly provided with a discharge port (305), the upper end surface of the discharge port (305) is slidably provided with a leakage-proof cover (304), the connecting module (2) comprises a connecting pipe (201), the outer surface of the connecting pipe (201) is fixedly provided with a wear-resistant layer (202).

2. The backflow-preventable pressure grouting pipe according to claim 1, characterized in that: The other side of the control valve (101) is fixedly provided with a fixed enclosure (103), the one side of the control valve (101) is fixedly provided with a connecting block (106).

3. The backflow resistant push-to-connect pipe coupling of claim 1, wherein: The other side of the control valve (101) is fixedly provided with a pressure grouting pipe (104), the outer surface of the pressure grouting pipe (104) is fixedly provided with a thickened enclosure (105).

4. The backflow resistant push-to-connect pipe coupling of claim 1, wherein: The one side of the shotcrete pipe (301) is fixedly provided with a shotcrete head (302), the outer surface of the shotcrete pipe (301) is provided with a plurality of shotcrete ports (303).

5. The backflow resistant push-to-connect pipe coupling of claim 1, wherein: The other side of the connecting pipe (201) is fixedly provided with a clamping port (204), the outer surface of the other side of the connecting pipe (201) is rotatably provided with a rotary fixed cover (203).

6. The backflow resistant push-to-connect pipe coupling of claim 1, wherein: The outer surface of the one side of the connecting pipe (201) is rotatably provided with a connecting fixed cover (205).

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