Mine water disaster treatment grouting device and method

Abstract

The invention relates to the technical field of mine water disaster treatment, in particular to a mine water disaster treatment grouting device and method.The mine water disaster treatment grouting device comprises a grouting pipe, a mounting base, a supporting plate, an elastic rubber ring, a grouting cavity, a grouting assembly, a bottom plate, two fixing components, a connecting rod, a sliding block, an inserting rod, a telescopic rod and a spring; when the elastic rubber ring is subjected to pressure from gushing water, the supporting plate can support the elastic rubber ring, so that the elastic rubber ring deforms and expands towards the periphery, and the elastic rubber ring is in tight contact with the mine wall; the telescopic rod is used for limiting the spring and counteracting partial pressure on the mounting seat; deformation of the elastic rubber ring is limited through the supporting plate, part of pressure borne by the elastic rubber ring is shared through the mounting base and the spring, the elastic rubber ring can be tightly attached to the mine wall, the plugging effect is improved, and therefore the problems that according to an existing device, the rubber ring is prone to impact deformation, effective plugging is difficult, and water damage is still prone to being caused are solved.

Description

Technical Field

[0001] The invention relates to the technical field of mine water hazard control, and in particular to a mine water hazard control grouting device and method. Background Art

[0002] In the management of mine water hazards, the use of grouting equipment and methods is a crucial link, which mainly includes the grouting process of ground horizontal wells, drilling grouting technology and other aspects; the risk faced by large-diameter boreholes in the construction well is the blocking of water gushing after the drilling exposes the high-pressure aquifer, especially for boreholes with larger apertures, the blocking of water gushing becomes a problem; if water gushing in large-diameter boreholes cannot be blocked in time, the consequences will not only affect the normal production of the working face to varying degrees, increase the mine drainage volume, but also cause safety accidents such as flooding of the working face in severe cases.

[0003] The existing patent discloses a mine water hazard control device and method (CN111622777B), wherein a plugging mechanism is arranged on the outer side of a grouting pipe, the plugging mechanism comprises an annular mounting seat, a cylindrical elastic rubber ring is arranged on the outer side of the mounting seat, a perfusion cavity is arranged between the mounting seat and the elastic rubber ring, a liquid injection pipe and a liquid outlet pipe connected to the perfusion cavity are fixedly mounted on the mounting seat, valves are respectively arranged on the liquid injection pipe and the liquid outlet pipe, the liquid injection pipe is connected to a wax injection mechanism, and a heating mechanism and a cooling mechanism are arranged in the perfusion cavity; the present invention injects wax into the perfusion cavity through the wax injection mechanism to expand the elastic rubber ring, and makes the liquid wax quickly solidify and harden through the cooling pipe, thereby playing a better supporting role for the inner wall of the elastic rubber ring; after the grouting liquid solidifies, the solidified wax in the perfusion cavity is reheated and melted by the heating mechanism, and the melted liquid wax in the perfusion cavity is extracted by the wax injection mechanism to make the elastic rubber ring retract, thereby facilitating the removal of the plugging mechanism from the mine borehole.

[0004] The device mainly seals water-seeping cracks by filling them with elastic rubber rings. However, the groundwater pressure is relatively high, which can easily deform the rubber rings. In addition, it takes some time for the filler to cool down, making it difficult to seal effectively and still prone to water damage. Summary of the invention

[0005] The purpose of the present invention is to provide a grouting device and method for controlling water hazard in a mine, aiming to solve the problem that the existing device easily deforms the rubber ring, is difficult to effectively seal, and is still prone to causing water hazard.

[0006] To achieve the above-mentioned objectives, in the first aspect, the present invention provides a grouting device for mine water hazard control, comprising a grouting pipe, a mounting seat, a support plate, an elastic rubber ring, a pouring chamber, a pouring assembly, a base plate, two fixed components, a connecting rod, a sliding block, an insert rod, a telescopic rod and a spring, wherein the mounting seat is slidably arranged on the outside of the grouting pipe; the support plate is fixed above the mounting seat; the elastic rubber ring is arranged on the mounting seat and the support plate; a pouring chamber is arranged between the elastic rubber ring, the support plate and the mounting seat; the pouring assembly is arranged in the pouring chamber; the base plate is fixed on the outside of the grouting pipe; the two fixed components are arranged above the base plate for resisting the mine wall; the sliding block is slidably arranged below the base plate; the connecting rod is rotatably connected to the mounting seat and is rotatably connected to the sliding block; the insert rod is fixed to the side of the sliding block away from the grouting pipe; the telescopic rod is fixedly connected to the base plate and is fixedly connected to the mounting seat; the spring is fixedly connected to the base plate and is fixedly connected to the mounting seat.

[0007] Wherein, the fixing component comprises a hydraulic rod and a fixing block, the hydraulic rod is fixed on the bottom plate; the fixing block is fixed on the output end of the hydraulic rod.

[0008] Wherein, the fixing member further comprises a plurality of fixing nails, and the plurality of fixing nails are fixed on the side surfaces of the fixing block.

[0009] Wherein, the perfusion component includes an injection tube, an injection pump, a liquid outlet tube and a liquid extraction mechanism, the injection tube is connected to the perfusion chamber; the injection pump is connected to the injection tube; the liquid outlet tube is connected to the perfusion chamber; the liquid extraction mechanism is connected to the liquid outlet tube, and is used to extract liquid.

[0010] Wherein, the mine water hazard control grouting device also includes a sealing plate and a sealing ring, wherein the sealing plate is fixed on the outside of the grouting pipe; and the sealing ring is fixed below the sealing plate.

[0011] Among them, the mine water hazard control grouting device also includes a heating wire and a cooling pipe, the heating wire is arranged in the perfusion cavity; the cooling pipe is arranged in the perfusion cavity.

[0012] Among them, a mine water hazard control grouting method is applied to the above-mentioned mine water hazard control grouting device, including: extending the grouting device above the water gushing gap in the mine; pouring a large amount of filler into the pouring cavity through the pouring component; grouting into the mine through the grouting pipe; after the grouting solidifies, the filler is extracted through the pouring component, and then the grouting device is taken out.

[0013] The grouting device and method for controlling water hazard in a mine according to the present invention are as follows: the grouting pipe is used to inject mud into the mine to seal the gaps caused by water gushing; the mounting seat is used to mount the elastic rubber ring, and the support plate is located above the mounting seat, and when the elastic rubber ring is subjected to the pressure from the gushing water, the support plate can support it and limit its shape, so that after being squeezed, it deforms and expands to the surrounding area and contacts the mine wall more closely; the elastic rubber ring is mainly used to cooperate with the mounting seat and the support plate to form the injection cavity, and the filling material is injected into the injection cavity through the injection assembly, and the elastic rubber ring is expanded by the filling material to further make it fit the mine wall; the bottom plate is fixed to the outside of the grouting pipe, and the upper surface of the bottom plate is used to mount the fixing member, and the fixing member is extended and inserted into the mine wall, so that the whole device can be stably installed in the mine to improve the pressure resistance; one end of the connecting rod is rotatably connected to the mounting seat, and the other end is rotatably connected to the sliding block The movable connection is configured so that the connecting rod is in an inclined state, and the side above the connecting rod that contacts the sliding block is farther from the grouting pipe than the other side; the sliding block can slide freely under the bottom plate; when the pressure of the gushing water acts on the mounting seat and the elastic rubber ring, the mounting seat will be squeezed to move upward, thereby driving the sliding block to slide outward, allowing the insertion rod on the sliding block to be inserted into the mine wall, thereby further improving the pressure resistance; the telescopic rod is used to limit the spring, and the spring is used to rebound the mounting seat and offset part of the pressure applied to the mounting seat; the present invention limits the deformation of the elastic rubber ring by the support plate, and shares part of the pressure applied to the elastic rubber ring by the mounting seat and the spring, thereby effectively improving the pressure resistance, and allowing the elastic rubber ring to fit closely to the mine wall, thereby improving the sealing effect, thereby solving the problem that the existing device easily deforms the rubber ring, is difficult to effectively seal, and is still prone to water damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a structural schematic diagram of a grouting device for controlling water hazard in a mine according to the first embodiment of the present invention.

[0016] Figure 2 It is a partial structural schematic diagram of a grouting device for controlling water hazard in a mine according to the first embodiment of the present invention.

[0017] Figure 3 It is a schematic diagram of a mine water hazard control grouting device of the first embodiment of the present invention when plugging a mine.

[0018] Figure 4It is a flow chart of a grouting method for controlling water hazard in a mine according to the second embodiment of the present invention.

[0019] Figure 5 It is a structural schematic diagram of a grouting device for controlling water hazard in a mine according to the third embodiment of the present invention.

[0020] 101-grouting pipe, 102-mounting seat, 103-support plate, 104-elastic rubber ring, 105-injection chamber, 106-bottom plate, 107-connecting rod, 108-sliding block, 109-insertion rod, 110-telescopic rod, 111-spring, 112-hydraulic rod, 113-fixing block, 114-fixing nail, 115-injection pipe, 116-injection pump, 117-liquid outlet pipe, 118-pumping mechanism, 119-sealing plate, 120-sealing ring, 121-heating wire, 122-cooling pipe, 201-paddle, 202-chute, 203-mobile power supply, 204-signal transmission module, 301-mine wall, 302-water gushing gap. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] For the first embodiment, please refer to Figure 1 to Figure 3 , Figure 1 It is a structural schematic diagram of a grouting device for treating water hazard in a mine according to a first embodiment of the present invention; Figure 2 It is a partial structural schematic diagram of a grouting device for treating water hazard in a mine according to the first embodiment of the present invention; Figure 3 It is a schematic diagram of a mine water hazard control grouting device of the first embodiment of the present invention when plugging a mine.

[0023] The present invention provides a grouting device for controlling water hazard in a mine, comprising a grouting pipe 101, a mounting seat 102, a support plate 103, an elastic rubber ring 104, a grouting chamber 105, a grouting assembly, a bottom plate 106, two fixed components, a connecting rod 107, a sliding block 108, an inserting rod 109, a telescopic rod 110, a spring 111, a sealing plate 119, a sealing ring 120, a heating wire 121 and a cooling pipe 122, wherein the fixed component comprises a hydraulic rod 112, a fixing block 113 and a plurality of fixing nails 114, and the grouting assembly comprises a liquid injection pipe 115, a liquid injection pump 116, a liquid outlet pipe 117 and a liquid extraction mechanism 118.

[0024] The above-mentioned solution solves the problem that the existing device easily deforms the rubber ring, is difficult to effectively seal, and is still prone to water damage. It can be understood that the above-mentioned solution can effectively improve the pressure resistance and allow the elastic rubber ring 104 to fit tightly against the mine wall 301 to improve the sealing effect.

[0025] In this embodiment, the mounting seat 102 is slidably arranged on the outside of the grouting pipe 101; the support plate 103 is fixed above the mounting seat 102; the elastic rubber ring 104 is arranged on the mounting seat 102 and the support plate 103; a perfusion cavity 105 is provided between the elastic rubber ring 104, the support plate 103 and the mounting seat 102; the perfusion assembly is arranged in the perfusion cavity 105; the bottom plate 106 is fixed on the outside of the grouting pipe 101; the two fixing members are arranged above the bottom plate 106 to abut against the mine wall 301; the sliding block 108 is slidably arranged below the bottom plate 106; the connecting rod 107 and the mounting seat 102 The insert rod 109 is fixed to the side of the sliding block 108 away from the grouting pipe 101; the telescopic rod 110 is fixedly connected to the bottom plate 106 and to the mounting seat 102; the spring 111 is fixedly connected to the bottom plate 106 and to the mounting seat 102; the grouting pipe 101 is used to inject mud into the mine to block the water gushing gap 302; the mounting seat 102 is used to install the elastic rubber ring 104, and the support plate 103 is located above the mounting seat 102. When the elastic rubber ring 104 is subjected to the pressure from the gushing water, the support plate 103 can support it and limit its shape so that After being squeezed, it deforms and expands to the surroundings, and contacts the mine wall 301 more closely; the elastic rubber ring 104 is mainly used to cooperate with the mounting seat 102 and the support plate 103 to form the injection cavity 105, and the filling material is injected into the injection cavity 105 through the injection assembly, and the elastic rubber ring 104 is expanded by the filling material to further fit the mine wall 301; the bottom plate 106 is fixed to the outside of the grouting pipe 101, and its upper surface is used to install the fixing member, and the fixing member extends out and is inserted into the mine wall 301, so that the whole device can be stably installed in the mine, and the pressure resistance is improved; one end of the connecting rod 107 is rotatably connected to the mounting seat 102, and the other end is rotatably connected to the sliding block 108 The connecting rod 107 is in an inclined state, and the side of the connecting rod 107 that contacts the sliding block 108 is farther from the grouting pipe 101 than the other side; the sliding block 108 can slide freely under the bottom plate 106; when the pressure of the gushing water acts on the mounting seat 102 and the elastic rubber ring 104, it will squeeze the mounting seat 102 to move upward, thereby driving the sliding block 108 to slide outward, allowing the insertion rod 109 on the sliding block 108 to be inserted into the mine wall 301, further improving the pressure resistance; the telescopic rod 110 is used to limit the spring 111, and the spring 111 is used to rebound the mounting seat 102 and offset part of the pressure on the mounting seat 102;The present invention limits the deformation of the elastic rubber ring 104 through the support plate 103, and shares part of the pressure on the elastic rubber ring 104 through the mounting seat 102 and the spring 111, which can effectively improve the pressure resistance and make the elastic rubber ring 104 fit closely to the mine wall 301, thereby improving the blocking effect, thereby solving the problem that the existing device easily deforms the rubber ring, is difficult to effectively block, and is still prone to water damage. ;

[0026] Among them, the hydraulic rod 112 is fixed on the bottom plate 106; the fixed block 113 is fixed on the output end of the hydraulic rod 112; the hydraulic rod 112 is horizontally placed above the bottom plate 106, and is used to push the fixed block 113 to the side. After being pushed out, the fixed block 113 abuts against the mine wall 301, which can increase friction and improve pressure resistance.

[0027] Secondly, the plurality of fixing nails 114 are fixed on the side of the fixing block 113; the plurality of fixing nails 114 can be drilled into the mine wall 301, thereby further improving the gripping force and the compressive resistance.

[0028] Again, the injection tube 115 is connected to the perfusion chamber 105; the injection pump 116 is connected to the injection tube 115; the liquid outlet tube 117 is connected to the perfusion chamber 105; the liquid extraction mechanism 118 is connected to the liquid outlet tube 117, and is used to extract liquid; the injection tube 115 is used to inject filler, such as liquid wax, and the injection pump 116 is used to pump the filler into the perfusion chamber 105; the liquid extraction mechanism 118 can adopt a piston structure to suck out the filler through the liquid outlet tube 117, and can also adopt other structures that can extract liquid.

[0029] Then, the sealing plate 119 is fixed on the outside of the grouting pipe 101; the sealing ring 120 is fixed under the sealing plate 119; when the mounting seat 102 slides upward, the sealing plate 119 forms a support for the mounting seat 102, and at this time, the mounting seat 102 squeezes the sealing ring 120 to completely seal the sealing plate 119, the grouting pipe 101 and the mounting seat 102, thereby avoiding water leakage at the sliding gap between the mounting seat 102 and the grouting pipe 101 and reducing the sealing effect.

[0030] Finally, the heating wire 121 is disposed in the perfusion cavity 105; the cooling tube 122 is disposed in the perfusion cavity 105; the heating wire 121 and the cooling tube 122 are used to adjust the temperature of the filling material to facilitate rapid solidification and liquefaction extraction.

[0031] During use, the grouting pipe 101 is used to inject mud into the mine to block the water gushing gap 302; the mounting seat 102 is used to install the elastic rubber ring 104, and the support plate 103 is located above the mounting seat 102. When the elastic rubber ring 104 is subjected to the pressure from the gushing water, the support plate 103 can support it and limit its shape, so that after being squeezed, it deforms and expands to the surroundings and contacts more closely with the mine wall 301; the elastic rubber ring 104 is mainly used to cooperate with the mounting seat 102 and the support plate 103 to form the perfusion cavity 105, and the filler is poured into the perfusion cavity 105 through the perfusion assembly, and the elastic rubber ring 104 is expanded by the filler to further make it adhere to the mine wall 301. The bottom plate 106 is fixed to the outside of the grouting pipe 101, and its upper surface is used to install the fixing member, which extends out and is inserted into the mine wall 301, so that the whole device can be stably installed in the mine, and the pressure resistance is improved; one end of the connecting rod 107 is rotatably connected to the mounting seat 102, and the other end is rotatably connected to the sliding block 108, and the connecting rod 107 is in an inclined state, and the side above it that contacts the sliding block 108 is farther from the grouting pipe 101 than the other side; the sliding block 108 can slide freely under the bottom plate 106; when the pressure of the gushing water acts on the mounting seat 102 and the elastic rubber ring 104, it will squeeze the mounting seat 102, so that The sliding block 108 moves upward, thereby driving the sliding block 108 to slide outward, allowing the insertion rod 109 on the sliding block 108 to be inserted into the mine wall 301, further improving the pressure resistance; the telescopic rod 110 is used to limit the spring 111, and the spring 111 is used to rebound the mounting seat 102 and offset part of the pressure on the mounting seat 102; the hydraulic rod 112 is horizontally placed above the bottom plate 106, and is used to push the fixing block 113 to the side. After the fixing block 113 is pushed out, it abuts against the mine wall 301, which can increase the friction and improve the pressure resistance; multiple fixing nails 114 can be drilled into the mine wall 301, further improving the grip and the pressure resistance; the injection pipe 115 is used to inject fillers, such as Liquid wax, the injection pump 116 is used to pump the filler into the injection cavity 105; the pumping mechanism 118 can adopt a piston structure to suck out the filler through the liquid outlet pipe 117, and can also adopt other structures that can extract liquid; when the mounting seat 102 slides upward, the sealing plate 119 forms a support for the mounting seat 102, and at this time, the mounting seat 102 squeezes the sealing ring 120 to completely seal the sealing plate 119, the grouting pipe 101 and the mounting seat 102, so as to avoid water leakage in the sliding gap between the mounting seat 102 and the grouting pipe 101 and reduce the blocking effect; the heating wire 121 and the cooling pipe 122 are used to adjust the temperature of the filler to facilitate rapid solidification and liquefaction extraction;The present invention limits the deformation of the elastic rubber ring 104 through the support plate 103, and shares part of the pressure on the elastic rubber ring 104 through the mounting seat 102 and the spring 111, which can effectively improve the pressure resistance and make the elastic rubber ring 104 fit closely to the mine wall 301, thereby improving the blocking effect, thereby solving the problem that the existing device easily deforms the rubber ring, is difficult to effectively block, and is still prone to water damage. ;

[0032] For the second embodiment, please refer to Figure 4 , Figure 4 It is a flow chart of a grouting method for controlling water hazard in a mine according to the second embodiment of the present invention.

[0033] On the basis of the first embodiment, a mine water hazard control grouting method of the present invention is applied to a mine water hazard control grouting device, including: S1: extending the grouting device above the mine water gushing gap 302; this step is used to place the device for blocking.

[0034] S2: A large amount of filler is poured into the pouring cavity 105 through the pouring assembly; the filler poured in this step is used to seal the mine to prevent the poured mud from flowing and solidifying randomly and failing to effectively seal the water gushing gap 302.

[0035] S3: Grouting is injected into the mine through the grouting pipe 101; the grouting is used to fill the mine and seal the water gushing gap 302 after solidification.

[0036] S4: After the grouting solidifies, the filler is extracted through the grouting assembly, and then the grouting device is taken out; when putting it in, a layer of film or other similar material is attached to the bottom of the device, and the grouting device can be quickly taken out.

[0037] For the third embodiment, please refer to Figure 5 , Figure 5 It is a structural schematic diagram of a grouting device for controlling water hazard in a mine according to the third embodiment of the present invention.

[0038] On the basis of the second embodiment, a grouting device for controlling water hazard in a mine of the present invention further includes a paddle 201 , a mobile power source 203 and a signal transmission module 204 , and the bottom plate 106 has a slide groove 202 .

[0039] The paddle 201 is fixed above the sliding block 108 and extends to the slide groove 202 of the bottom plate 106; the upper end of the paddle 201 is higher than the slide groove 202, and when the sliding block 108 slides, the paddle 201 can slide in the slide groove 202, and when the filling is completed and needs to be taken out, the hydraulic rod 112 retracts back, and at this time the fixed block 113 can slide the sliding block 108 back through the paddle 201 to unlock the insertion rod 109.

[0040] The mobile power source 203 is arranged on the base plate 106; the signal transmission module 204 is arranged on the base plate 106; the mobile power source 203 is used to supply power to the hydraulic rod 112, the heating wire 121, etc., avoiding the need to connect cables, and the signal transmission module 204 can realize remote operation for easy recovery.

[0041] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A grouting device for controlling water hazard in a mine, characterized in that: The invention comprises a grouting pipe, a mounting seat, a support plate, an elastic rubber ring, a perfusion cavity, a perfusion assembly, a base plate, two fixed components, a connecting rod, a sliding block, an insert rod, a telescopic rod and a spring, wherein the mounting seat is slidably arranged on the outside of the grouting pipe; the support plate is fixed above the mounting seat; the elastic rubber ring is arranged on the mounting seat and the support plate; a perfusion cavity is arranged between the elastic rubber ring, the support plate and the mounting seat; the perfusion assembly is arranged in the perfusion cavity; the base plate is fixed on the outside of the grouting pipe; the two fixed components are arranged above the base plate for resisting the mine wall; the sliding block is slidably arranged below the base plate; the connecting rod is rotatably connected to the mounting seat and is rotatably connected to the sliding block; the insert rod is fixed to the side of the sliding block away from the grouting pipe; the telescopic rod is fixedly connected to the base plate and is fixedly connected to the mounting seat; the spring is fixedly connected to the base plate and is fixedly connected to the mounting seat.

2. A grouting device for controlling water hazard in a mine as claimed in claim 1, characterized in that: The fixing member comprises a hydraulic rod and a fixing block. The hydraulic rod is fixed on the bottom plate; the fixing block is fixed on the output end of the hydraulic rod.

3. A grouting device for controlling water hazard in a mine as claimed in claim 2, characterized in that: The fixing member further includes a plurality of fixing nails, and the plurality of fixing nails are fixed on the side surfaces of the fixing block.

4. A grouting device for controlling water hazard in a mine as claimed in claim 3, characterized in that: The perfusion assembly includes an injection tube, an injection pump, a liquid outlet tube and a liquid extraction mechanism. The injection tube is connected to the perfusion cavity; the injection pump is connected to the injection tube; the liquid outlet tube is connected to the perfusion cavity; the liquid extraction mechanism is connected to the liquid outlet tube for extracting liquid.

5. A grouting device for controlling water hazard in a mine as claimed in claim 4, characterized in that: The mine water hazard control grouting device also includes a sealing plate and a sealing ring. The sealing plate is fixed on the outside of the grouting pipe; the sealing ring is fixed below the sealing plate.

6. A grouting device for controlling water hazard in a mine as claimed in claim 5, characterized in that: The grouting device for controlling water hazard in a mine also includes a heating wire and a cooling pipe. The heating wire is arranged in the grouting cavity; the cooling pipe is arranged in the grouting cavity.

7. A grouting method for controlling water hazard in a mine, applied to a grouting device for controlling water hazard in a mine as claimed in any one of claims 1 to 6, It is characterized in that The method comprises: extending the grouting device into the upper part of the water gushing gap in the mine; A large amount of filler is poured into the perfusion cavity through the perfusion component; Inject grout into the mine through the grouting pipe; After the grouting solidifies, the filling is extracted through the grouting assembly and then the grouting device is removed.

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