Deep mine roadway surrounding rock grouting device

By introducing feed filtration devices and anti-blocking mechanisms into the deep mine tunnel grouting device, the problem of grouting pipe is solved, the grouting efficiency and tunnel stability are improved, and the risk of collapse is reduced.

CN222141261UActive Publication Date: 2024-12-10SHANXI ZHONGKUANG WEITE MINING TECH DEV CO LTD
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Patent Information

Application Number
CN202420969665.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2024-12-10
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

During the grouting process of deep mine tunnels, the grouting pipe is prone to blockage, resulting in the slurry not being able to be injected into the boundary rock smoothly, affecting the stability and safety of the tunnel.

Method used

A deep mine tunnel surrounding rock grouting device is designed, including a feed filtration device and an anti-blocking mechanism. The feed filter device prevents large pieces of impurities and blockage through the filter mesh and the vibration motor. The anti-blocking mechanism clears the blocked slurry through the rotating rod and the dredging rod to ensure the unobstructed grouting pipe.

Benefits of technology

It effectively prevents the blockage of the grouting pipe, improves the grouting speed and efficiency, ensures the stability and safety of the surrounding rock of the tunnel, and reduces the risk of collapse.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model particularly relates to a deep mine roadway surrounding rock grouting device. Comprising a groove-shaped feeding part, a plurality of springs are installed between the feeding part and the charging barrel, a vibration motor is installed on the side portion of the feeding part, and a vibration motor is installed on the side portion of the vibration motor. The bottom of the feeding part is connected with a discharging hopper, the bottom of the discharging hopper is connected with a discharging pipe, the discharging pipe is installed at the bottom of the material barrel and connected with a grouting pump, a first connecting hose is installed between the grouting pump and the discharging pipe, and the grouting pump is connected with a grouting pipe.
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Description

Technical Field

[0001] The utility model relates to the field of grouting equipment, in particular to a surrounding rock grouting device for a deep mine tunnel. Background Art

[0002] Since the excavation of the tunnel destroys the stable equilibrium state of the original geological stress of the underground rock layer, the surrounding rock around the tunnel will be broken under the action of geological stress, which is prone to accidents such as tunnel roof collapse or tunnel slab collapse. Therefore, it is necessary to reinforce the surrounding rock around the tunnel, usually by drilling holes in the tunnel to improve the stability of the tunnel and reduce the risk of tunnel collapse. Grouting requires the use of a grouting pipe, the end of which is sealed with rubber, which will be flushed open during grouting. The outlet of the grouting pipe is prone to blockage during use. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a surrounding rock grouting device for a deep mine tunnel.

[0004] The technical solution of the utility model is achieved as follows: a deep mine tunnel surrounding rock grouting device comprises a base, a walking wheel is installed at the bottom of the base, a material barrel for storing slurry is installed at the top of the base, a supporting leg is installed at the bottom of the material barrel, a feed filter device is installed at the top of the material barrel, the feed filter device comprises a trough-shaped feed part, a plurality of springs are installed between the feed part and the material barrel, a vibration motor is installed at the side of the feed part, a discharge hopper is connected to the bottom of the feed part, a discharge pipe is connected to the bottom of the discharge hopper, a discharge pipe is installed at the bottom of the material barrel, a grouting pump is connected to the discharge pipe, a connecting hose is installed between the grouting pump and the discharge pipe, and the grouting pump is connected to the grouting pipe.

[0005] The grouting pipe has a hollow structure, one end of which is an open structure and the other end is a closed structure. A sealing plate is connected to one end of the grouting pipe, and a rubber plug is sealed at the front end of the grouting pipe. An anti-clogging mechanism is installed at the other end of the grouting pipe. A slurry inlet pipe is connected to the side of the grouting pipe, and a connecting hose 2 is installed between the slurry inlet pipe and the grouting pump.

[0006] The anti-blocking mechanism includes a rotating rod, a dredging rod is installed at the end of the rotating rod, the end of the dredging rod is a conical structure, and breaking rods are evenly distributed around the dredging rod. The other end of the dredging rod passes through the sealing plate, and the dredging rod is threadedly connected to the sealing plate.

[0007] A plurality of circumferentially distributed connecting rods are symmetrically fixedly connected to the rotating rod and located on the side of the dredging rod, and a scraper is fixedly connected to the end of the connecting rod on the same side, and the outer side of the scraper is in contact with the inner side of the grouting pipe.

[0008] The two sides of the outside of the feeding part are symmetrically installed with mounting plates one, the two sides of the upper part of the barrel are also symmetrically installed with mounting plates two, and the spring is installed between the mounting plates one and two.

[0009] The technical solution of the utility model has the following positive effects: the bottom plate of the feed part of the utility model is a filter screen structure, which can directly filter out large block impurities in the slurry; a vibration motor is installed on the feed part to prevent blockage and increase the feeding speed; one end of the grouting pipe is an outlet, and a sealing plate is installed at the other end, and a rotating rod is threadedly connected to the sealing plate. When the outlet of the grouting pipe is blocked, the rotating rod is rotated by the handle, and the dredging rod moves toward the direction of the outlet, thereby pushing the blocked slurry out from the outlet, and the breaking rod can disperse the slurry when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the structural front view of the utility model. DETAILED DESCRIPTION

[0011] like Figure 1 The present invention shows a deep mine tunnel surrounding rock grouting device, comprising a base 1, a walking wheel 2 is installed at the bottom of the base 1, a material barrel 3 for storing slurry is installed on the top of the base 1, a supporting leg 4 is installed at the bottom of the material barrel 3, a feed filter device is installed on the top of the material barrel 3, the feed filter device comprises a trough-shaped feed part 5, the bottom plate of the feed part 5 is a filter screen, a plurality of springs 6 are installed between the feed part 5 and the material barrel 3, a vibration motor 7 is installed on the side of the feed part 5, a discharge hopper 8 is connected to the bottom of the feed part 5, a discharge pipe 9 is connected to the bottom of the discharge hopper 8, a discharge pipe 9 is installed at the bottom of the material barrel 3, a grouting pump 10 is connected to the discharge pipe 9, a connecting hose 11 is installed between the grouting pump 10 and the discharge pipe 9, and the grouting pump 10 is connected to a grouting pipe 12;

[0012] The slurry to be grouted is fed into the feed part 5, and the large block impurities contained in the slurry will remain on the filter screen to prevent the large impurities from entering. The slurry will pass through the mesh of the filter screen, and the vibration motor 7 is started to vibrate the feed part 5 to prevent the slurry from clogging the mesh. The filtered slurry enters the material barrel 3, and the grouting pump 10 is used to inject the slurry into the grouting pipe 12 through the discharge pipe 9 and the connecting hose 11 in sequence.

[0013] The grouting pipe 12 is a hollow structure, one end of the grouting pipe 12 is an open structure, and the other end is a closed structure. One end of the grouting pipe 12 is connected to a sealing plate 13, the front end of the grouting pipe 12 is sealed with a rubber plug 15, the other end of the grouting pipe 12 is installed with an anti-blocking mechanism, the side of the grouting pipe 12 is connected to a slurry inlet pipe 14, and a connecting hose 16 is installed between the slurry inlet pipe 14 and the grouting pump 10; specifically, the slurry enters the connecting hose 16 from the grouting pump 10 into the slurry inlet pipe 14, and finally enters the grouting pipe 12 to complete the grouting, the rubber plug 15 blocks the grouting pipe 12 to prevent sand from blocking the outlet when entering, when the grouting pump 10 is turned on, the slurry can break the rubber plug 15, and the slurry comes out from the outlet. If the outlet is blocked during use, it is cleared through the anti-blocking mechanism.

[0014] The anti-blocking mechanism includes a rotating rod 17, and a clearing rod 19 is installed at the end of the rotating rod 17 located in the grouting pipe 14, and a handle is installed at the other end of the rotating rod 17. The end of the clearing rod 19 is a conical structure, and breaking rods 20 are evenly distributed around the clearing rod 19. The other end of the clearing rod 17 is arranged through the blocking plate 13, and the clearing rod 17 is threadedly connected to the blocking plate 13; specifically, if the outlet of the slurry inlet pipe 14 is blocked, the rotating rod 17 is rotated by the handle to rotate the rotating rod 17, thereby driving the clearing rod 19 to move in the direction of the outlet, thereby pushing the blocked slurry out from the outlet, and the breaking rod 20 can disperse the slurry when rotating.

[0015] A plurality of circumferentially distributed connecting rods 21 are symmetrically fixedly connected to the rotating rod 17 and located on the side of the dredging rod 19, and a scraper 18 is fixedly connected to the end of the connecting rod 21 on the same side, and the outer side surface of the scraper 18 is in contact and connected with the inner side surface of the grouting pipe 12; specifically, when the rotating rod 17 rotates, the scraper 18 can scrape off the slurry on the inner wall of the grouting pipe 12 to prevent the slurry from accumulating on the inner wall and causing blockage.

[0016] Mounting plates 1 22 are symmetrically installed on both sides of the outside of the feed part 5, and mounting plates 2 23 are also symmetrically installed on both sides of the upper part of the barrel 3. The spring 6 is installed between mounting plates 1 22 and 23; specifically, the spring 6 is installed through mounting plates 1 22 and 23.

Claims

1. A deep mine tunnel surrounding rock grouting device, comprising a base, a bottom of which is provided with a traveling wheel, characterized in that: A barrel for storing slurry is installed on the top of the base, supporting legs are installed on the bottom of the barrel, a feed filter device is installed on the top of the barrel, the feed filter device includes a trough-shaped feed part, a plurality of springs are installed between the feed part and the barrel, a vibration motor is installed on the side of the feed part, a discharge hopper is connected to the bottom of the feed part, a discharge pipe is connected to the bottom of the discharge hopper, a discharge pipe is installed at the bottom of the barrel, a grouting pump is connected to the discharge pipe, a connecting hose is installed between the grouting pump and the discharge pipe, and the grouting pump is connected to the grouting pipe.

2. A deep mine tunnel surrounding rock grouting device according to claim 1, characterized in that: The grouting pipe has a hollow structure, one end of which is an open structure and the other end is a closed structure. A sealing plate is connected to one end of the grouting pipe, and a rubber plug is sealed at the front end of the grouting pipe. An anti-clogging mechanism is installed at the other end of the grouting pipe. A slurry inlet pipe is connected to the side of the grouting pipe, and a connecting hose 2 is installed between the slurry inlet pipe and the grouting pump.

3. A deep mine tunnel surrounding rock grouting device according to claim 2, characterized in that: The anti-blocking mechanism includes a rotating rod, a dredging rod is installed at the end of the rotating rod, the end of the dredging rod is a conical structure, and breaking rods are evenly distributed around the dredging rod. The other end of the dredging rod passes through the sealing plate, and the dredging rod is threadedly connected to the sealing plate.

4. A deep mine tunnel surrounding rock grouting device according to claim 3, characterized in that: A plurality of circumferentially distributed connecting rods are symmetrically fixedly connected to the rotating rod and located on the side of the dredging rod, and a scraper is fixedly connected to the end of the connecting rod on the same side, and the outer side of the scraper is in contact with the inner side of the grouting pipe.

5. A deep mine tunnel surrounding rock grouting device according to claim 4, characterized in that: The two sides of the outside of the feeding part are symmetrically installed with mounting plates one, the two sides of the upper part of the barrel are also symmetrically installed with mounting plates two, and the spring is installed between the mounting plates one and two.