Pumpable resin anchoring agent for installing mine tunnel anchor rod and pumping device of pumpable resin anchoring agent

Abstract

The invention discloses a pumpable resin anchoring agent for mounting a mine tunnel anchor rod and a pumping device of the pumpable resin anchoring agent, and relates to the field of mine anchor rod mounting devices. Comprising the following components in parts by weight: 100-120 parts of unsaturated polyester resin, 1-3 parts of an accelerant, 1-10 parts of a thixotropic agent, 300-400 parts of superfine modified filler, 2-5 parts of a silane coupling agent, 3-6 parts of a low-shrinkage additive, 1-3 parts of a wetting dispersant and 1-2 parts of a styrene inhibitor; the catalyst component is prepared from the following components in parts by weight: 10 to 15 parts of benzoyl peroxide, 10 to 15 parts of dibutyl phthalate, 5 to 10 parts of a composite initiator, 0.5 to 1.5 parts of a thickening agent, 0.1 to 0.3 part of zinc stearate and 100 to 120 parts of deionized water; during construction, a resin component and a catalyst component are mixed according to the mass ratio of 100: (10-20), and are conveyed and injected into a drill hole through a pumping device; by matching with the pumping device with the rotary groove cutting, multi-channel grouting and pressure monitoring functions, active leaking stoppage, accurate isolation and efficient anchoring of irregular drill holes of a mine tunnel are achieved, and the sealing performance, stability and construction efficiency of anchor rod installation are greatly improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of mine anchor rod installation device, in particular to a pumpable resin anchoring agent for installing mine tunnel anchor rod and a pumping device thereof. BACKGROUND

[0002] In the construction of mine tunnel engineering, anchor rod support, as a key technical means to ensure the stability of mine tunnel, plays an important role in supporting surrounding rock and preventing collapse. The effective installation of anchor rod cannot be achieved without pumpable resin anchoring agent and supporting pumping device.

[0003] In the current installation construction of mine tunnel anchor rod, due to the complex and diverse geological conditions, the shape of the inner wall of the drill hole is often difficult to achieve the ideal smooth state. In broken, loose and soft rock geological conditions, the drill hole is prone to collapse and hole problems. Even in relatively complete rock strata, there may be a large number of irregular grooves, gaps and other structures on the inner wall of the drill hole.

[0004] The traditional pumpable resin anchoring agent usually adopts a compression plug or a sealing plug for sealing, and relies on the tight fit of the air bag after inflation with the drill hole wall to achieve sealing. However, due to the irregularity of the inner wall of the drill hole, the air bag cannot completely fill all the grooves and gaps, resulting in a loose seal. When the anchoring agent is injected, the slurry is easy to leak from these gaps, so that the anchoring agent cannot effectively fill the space between the anchor rod and the drill hole wall, thereby seriously affecting the anchoring effect of the anchor rod, reducing the pullout resistance of the anchor rod, and ultimately failing to provide reliable support for the mine tunnel, increasing the risk of collapse of the mine tunnel, and endangering the life safety of construction personnel and the smooth progress of the project SUMMARY The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a mine anchor rod installation device that can overcome the above problems or at least partially solve the above problems.

[0005] To solve the above technical problems, the basic idea of the technical solution adopted by the present application is as follows: a pumpable resin anchoring agent for installing mine tunnel anchor rod, further comprising: resin component, unsaturated polyester resin 100-120 parts, accelerator 1-3 parts, thixotropic agent 1-10 parts, superfine modified filler 300-400 parts, silane coupling agent 2-5 parts, low shrinkage additive 3-6 parts, wetting dispersant 1-3 parts, styrene inhibitor 1-2 parts; catalyst component, benzoyl peroxide 10-15 parts, dibutyl phthalate 10-15 parts, composite initiator 5-10 parts, thickening agent 0.5-1.5 parts, zinc stearate 0.1-0.3 parts, deionized water 100-120 parts; The preparation method of the pumpable resin anchoring agent comprises the following steps: The raw materials of the resin component are mixed in proportion, and stirred uniformly to prepare the resin mortar. The raw materials of the catalyst component are mixed in proportion, and stirred uniformly to prepare the curing agent. At the construction site, the resin component and the catalyst component are mixed in a mass ratio of 100:10-20, stirred uniformly, and then injected into the anchor hole through the pumping system.

[0006] The resin component includes: 100 parts of unsaturated polyester resin, 330 parts of superfine modified filler, 3 parts of silane coupling agent, 5 parts of low shrinkage additive, 1.5 parts of wetting dispersant, and 1 part of styrene inhibitor; the superfine modified filler includes nano calcium carbonate and nano silicon dioxide.

[0007] The catalyst component includes: 12 parts of benzoyl peroxide, 12 parts of dibutyl phthalate, 7 parts of composite initiator, 0.8 parts of thickening agent, 0.1 parts of zinc stearate, and 110 parts of deionized water. The composite initiator is a mixture of methyl ethyl ketone peroxide and benzoyl peroxide. The thickening agent is carboxymethyl cellulose and xanthan gum.

[0008] A pumping device for installing mine tunnel anchor rods is used to transport a pumpable resin anchor for installing mine tunnel anchor rods, and includes an installation machine, and an anchor rod installed on the movable installation end of the installation machine. A rotating sleeve is sleeved on the anchor rod, and the rotating sleeve is rotationally connected to the anchor rod and is close to the lower end of the anchor rod. An inflatable air bag is fixedly connected to the rotating sleeve. A plurality of cutting knives are fixedly connected to the inflatable air bag at equal intervals, and the two ends of the cutting knives protrude out of the inflatable air bag, and the cutting knives are used to cut a hole to form a cavity. An auxiliary sealing assembly is installed on the rotating sleeve, and the auxiliary sealing assembly is used to seal the cavity to prevent the resin anchor from overflowing.

[0009] Further, the auxiliary sealing assembly includes a pressing plate and a sealing air bag ring, the pressing plate is arranged in an arc shape, and the sealing air bag ring is installed on the side edge of the pressing plate, and the sealing air bag ring is used to seal the gap between the cavity and the anchor rod after inflation.

[0010] Further, the rotating sleeve is composed of two half sleeves, the inflatable air bag is composed of two air bag rings, and the two air bag rings are respectively installed on the half sleeves, detection air bags are respectively fixedly connected to the half sleeves, and the pressing plate is installed on the detection air bags.

[0011] Further, the detection air bag is internally provided with an air pressure sensor for detecting the pressure borne by the pressure plate when grouting is performed in the borehole.

[0012] Further, the half sleeve is fixedly connected with an air pump, and the air outlet end of the air pump is provided with an air outlet pipe I and an air outlet pipe II, wherein the air outlet pipe I is communicated with the expansion air bag, and the air outlet pipe II is communicated with the sealing air bag ring.

[0013] Further, the half sleeve is fixedly connected with an air pump, and the air outlet end of the air pump is provided with an air outlet pipe I and an air outlet pipe II, wherein the air outlet pipe I is communicated with the expansion air bag, and the air outlet pipe II is communicated with the sealing air bag ring.

[0014] Further, the installation machine is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear part, the rotating sleeve is fixedly connected with two groups of half tooth rings, and the two groups of half tooth rings are connected to form a tooth ring part after splicing, and the tooth ring part is in meshing connection with the gear part.

[0015] Further, the installation machine is provided with a resin tank and a catalyst tank, the resin tank is used for storing resin components, the catalyst tank is used for storing catalyst components, and the resin tank and the catalyst tank are both provided with a delivery pump used for delivering the resin components and the catalyst components.

[0016] Further, the anchor rod is provided with a plurality of infusion holes, and the infusion holes are used for being connected with the liquid outlet end of the delivery pump to deliver the resin components and the catalyst components into the borehole.

[0017] Compared with the prior art, the present application has the following beneficial effects: by adding expandable microspheres to the catalyst components and cooperating with the pumping device with the functions of rotary cutting groove, double air bag sealing, multi-channel grouting and pressure monitoring, the present application realizes active leakage stopping, accurate isolation and efficient anchoring of irregular boreholes in mine tunnels, and greatly improves the sealing performance, stability and construction efficiency of anchor rod installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In the drawings: Figure 1 A structure schematic view of a pumpable resin anchoring agent and a pumping device thereof for installing an anchor rod in a mine tunnel are provided. Figure 2 A structure schematic view of an anchor rod and a motor in a pumpable resin anchoring agent and a pumping device thereof for installing an anchor rod in a mine tunnel are provided. Figure 3 A pumpable resin anchoring agent and a pumping device thereof for installing an anchor rod in a mine tunnel are provided. Figure 2 A structure schematic view of part A in the pumpable resin anchoring agent and the pumping device thereof. Figure 4A cross-sectional structure of an anchor rod in a pumpable resin anchoring agent and a pumping device thereof for installing a mine tunnel anchor rod Figure 1 ; Figure 5 A pumpable resin anchoring agent and a pumping device thereof for installing a mine tunnel anchor rod Figure 4 A structure schematic diagram of part B in the present application Figure 6 A cross-sectional structure of an anchor rod in a pumpable resin anchoring agent and a pumping device thereof for installing a mine tunnel anchor rod Figure 2 ; Figure 7 A pumpable resin anchoring agent and a pumping device thereof for installing a mine tunnel anchor rod Figure 6 A structure schematic diagram of part C in the present application Figure 8 A pumpable resin anchoring agent and a pumping device thereof for installing a mine tunnel anchor rod Figure 7 A structure schematic diagram of part D in the present application.

[0019] In the figure: 1, installation machine; 2, anchor rod; 201, infusion hole; 301, motor; 302, gear part; 303, gear ring part; 4, rotating sleeve; 401, connecting seat; 5, expansion air bag; 6, cutter; 7, air pump; 701, air outlet pipe one; 702, air outlet pipe two; 801, detection air bag; 802, air pressure sensor; 803, pressing plate; 804, sealing air bag ring; 901, resin tank; 902, catalyst tank. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0021] Embodiment: refer to Figures 1-5 A pumpable resin anchoring agent for installing a mine tunnel anchor rod, further comprising: Resin component, unsaturated polyester resin 100-120 parts, accelerator 1-3 parts, thixotropic agent 1-10 parts, superfine modified filler 300-400 parts, silane coupling agent 2-5 parts, low shrinkage additive 3-6 parts, wetting dispersant 1-3 parts, styrene inhibitor 1-2 parts; Catalyst component, benzoyl peroxide 10-15 parts, dibutyl phthalate 10-15 parts, composite initiator 5-10 parts, thickening agent 0.5-1.5 parts, zinc stearate 0.1-0.3 parts, deionized water 100-120 parts; The preparation method of the pumpable resin anchoring agent comprises the following steps: The raw materials of the resin component are mixed in proportion and stirred uniformly to prepare the resin mortar. The raw materials of the catalyst component are mixed in proportion and stirred uniformly to prepare the curing agent. At the construction site, the resin component and the catalyst component are mixed in a mass ratio of 100:10-20, stirred uniformly, and then injected into the anchor hole through the pumping system.

[0022] The resin component comprises 100 parts of unsaturated polyester resin, 330 parts of superfine modified filler, 3 parts of silane coupling agent, 5 parts of low shrinkage additive, 1.5 parts of wetting dispersant, and 1 part of styrene inhibitor; the superfine modified filler comprises nano calcium carbonate and nano silicon dioxide.

[0023] The catalyst component comprises 12 parts of benzoyl peroxide, 12 parts of dibutyl phthalate, 7 parts of composite initiator, 0.8 parts of thickening agent, 0.1 parts of zinc stearate, and 110 parts of deionized water. The composite initiator is a mixture of methyl ethyl ketone peroxide and benzoyl peroxide. The thickening agent is carboxymethyl cellulose and xanthan gum.

[0024] The unsaturated polyester resin can be selected from epoxy resin E-51 or polyurethane resin PM200, and preferably the two are mixed in a ratio of 3:1.

[0025] The superfine modified filler is a mixture of 800-mesh superfine calcium carbonate (70%) and silica ash (30%).

[0026] A pumping device for installing a mine tunnel anchor rod for conveying a pumpable resin anchoring agent for installing a mine tunnel anchor rod, comprising an installation machine 1, and an anchor rod 2 installed on the movable installation end of the installation machine 1, further comprising: a rotating sleeve 4 sleeved on the anchor rod 2, the rotating sleeve 4 being rotationally connected to the anchor rod 2 and being close to the lower end of the anchor rod 2; an inflatable air bag 5 fixedly connected to the rotating sleeve 4; a plurality of cutting knives 6 fixedly connected to the inflatable air bag 5 at equal intervals, both ends of the cutting knife 6 extending out of the inflatable air bag 5, the cutting knife 6 being used for cutting a borehole to cut out a chamber; and an auxiliary sealing assembly installed on the rotating sleeve 4, the auxiliary sealing assembly being used for sealing the chamber to prevent the resin anchoring agent from overflowing.

[0027] The auxiliary sealing assembly comprises a pressing plate 803 and a sealing air bag ring 804, the pressing plate 803 being arranged in an arc-shaped plate, and the sealing air bag ring 804 being installed on the side edge of the pressing plate 803, the sealing air bag ring 804 being used for sealing the gap between the chamber and the anchor rod 2 after inflation and expansion.

[0028] The rotating sleeve 4 is composed of two groups of half sleeves, and the inflation air bag 5 is composed of two groups of air bag rings, and the two groups of air bag rings are respectively installed on the half sleeves, and the half sleeves are respectively fixedly connected with detection air bags 801, and the pressing plates 803 are installed on the detection air bags 801, and the half sleeves are all fixedly connected with the connecting seats 401, and the connecting seats 401 are used for the installation of the two groups of half sleeves, and the air pressure sensors 802 are installed in the detection air bags 801, and the air pressure sensors 802 are used for detecting the pressure borne by the pressing plates 803 when grouting in the drill hole.

[0029] The half sleeves are fixedly connected with the air pumps 7, and the air outlet pipes one 701 and the air outlet pipes two 702 are installed on the air outlet ends of the air pumps 7, the air outlet pipes one 701 are communicated with the inflation air bags 5, and the air outlet pipes two 702 are communicated with the sealing air bag rings 804.

[0030] The motor 301 is fixedly connected on the installation machine 1, the gear piece 302 is fixedly connected on the output end of the motor 301, two groups of half tooth rings are fixedly connected on the rotating sleeve 4, the two groups of half tooth rings are spliced to form the tooth ring piece 303, and the tooth ring piece 303 is meshed with the gear piece 302.

[0031] The resin tank 901 and the catalyst tank 902 are installed on the installation machine 1, the resin tank 901 is used for storing resin components, the catalyst tank 902 is used for storing catalyst components, and the resin tank 901 and the catalyst tank 902 are all installed with the delivery pumps, the delivery pumps are used for delivering the resin components and the catalyst components, and the anchor rod 2 is provided with a plurality of infusion holes 201, and the infusion holes 201 are used for connecting the liquid outlet ends of the delivery pumps to deliver the resin components and the catalyst components into the drill hole.

[0032] The installation machine 1 is prepared, the anchor rod 2 is installed on the movable installation end of the installation machine 1, three groups of infusion holes 201 are processed in the anchor rod 2, and the infusion holes 201 are used for connecting the liquid outlet ends of the delivery pumps to deliver the resin components and the catalyst components.

[0033] The rotating sleeve 4 (composed of two groups of half sleeves) is sleeved on the anchor rod 2 near the lower end, and the rotating sleeve 4 is rotatably connected with the anchor rod 2, the inflation air bag 5 (composed of two groups of air bag rings respectively installed on the half sleeves), a plurality of equal-interval cutters 6 (the cutters 6 extend out of the inflation air bag 5 at both ends), and the auxiliary sealing assembly (including the pressing plates 803, the sealing air bag rings 804, the sealing air bag rings 804 are installed on the side edges of the pressing plates 803, the detection air bags 801 are also installed on the half sleeves, the pressing plates 803 are installed on the detection air bags 801, the air pressure sensors 802 are installed in the detection air bags 801, the air pumps 7 are fixedly connected on the half sleeves, the air outlet ends of the air pumps 7 are connected with the air outlet pipes one 701 and the air outlet pipes two 702, the air outlet pipes one 701 are communicated with the inflation air bags 5, and the air outlet pipes two 702 are communicated with the sealing air bag rings 804, and the connecting seats 401 are fixedly connected on the half sleeves, and are used for the splicing and installation of the two groups of half sleeves) are installed on the rotating sleeve 4.

[0034] The motor 301 is fixed on the installation machine 1, and the gear part 302 is installed at the output end of the motor 301. Two sets of half-tooth ring on the rotating sleeve 4 are spliced into the tooth ring part 303, so that the tooth ring part 303 is connected in meshing with the gear part 302.

[0035] After the hole is drilled underground, the rotating sleeve 4 is installed on the anchor rod 2 (the installation is completed by splicing two sets of half-sleeves through the connecting seat 401).

[0036] The anchor rod 2 is inserted into the drilled hole through the installation machine 1. When the anchor rod 2 is inserted in place, the air pump 7 is started, and the inflation air bag 5 is inflated through the air outlet pipe one 701, so that the inflation air bag 5 is inflated.

[0037] The motor 301 is started, and the motor 301 drives the gear part 302 to rotate. The gear part 302 meshes with the tooth ring part 303, thereby driving the rotating sleeve 4 to rotate. When the rotating sleeve 4 rotates, the inflation air bag 5 rotates with it. The cutter 6 on the inflation air bag 5 cuts the area close to the outside of the drilled hole in the rotating process. Since the cutter 6 is larger than the inflation air bag 5, the cuttings are discharged through the bottom gap.

[0038] After the cutting is completed, the motor 301 is stopped, and the rotating sleeve 4 stops rotating.

[0039] The air pump 7 is started again, and the sealing air bag ring 804 is inflated through the air outlet pipe two 702. At the same time, the detection air bag 801 can also be inflated as needed to assist in supporting. At this time, the sealing air bag ring 804 on one side expands, filling the gap between the drilled hole and the anchor rod 2. The sealing structure (cooperated by the inflated inflation air bag 5 and the like) on the other side abuts in the cut-out groove, thereby completing the separation of the space above the anchor rod 2, forming an isolated chamber.

[0040] The delivery pumps on the resin tank 901 and the catalyst tank 902 are started, and the resin component and the catalyst component are delivered in a volume ratio of 1:1.5 (which can be adjusted within the range of 1:1-1:2). The mixed pumpable resin anchoring agent is slowly injected into the isolated chamber through the three groups of infusion holes 201 in the anchor rod 2.

[0041] During the grouting process, two groups of infusion holes 201 are used for grouting, and the excess gas is discharged through the third group of infusion holes 201. At the same time, the air pressure sensor 802 in the detection air bag 801 detects the pressure change in real time, so as to check whether there is a leakage in the isolated chamber. If the pressure is stable, it means that there is no leakage. If the pressure abnormally decreases, it means that there is a leakage, which needs to be timely investigated and handled.

[0042] In the injected pumpable resin anchoring agent, the expandable microspheres in the catalyst component can flow with the slurry, and when encountering a small leakage channel due to incomplete sealing, the expandable microspheres can expand under the stimulation of resin curing exothermic and the like, to actively block the leakage channel, ensure that the anchoring agent effectively fills the isolation chamber, and guarantee the anchoring effect of the anchor rod.

[0043] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed above with the preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content with slight changes or equivalent embodiments, without departing from the technical solution range of the present application. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical solution of the present application, still belongs to the scope of the present application.

Claims

1. A pumpable resin anchor for installing mine tunnel roof bolts, characterised in that, Also include: Resin component, unsaturated polyester resin 100-120 parts, accelerator 1-3 parts, thixotropic agent 1-10 parts, superfine modified filler 300-400 parts, silane coupling agent 2-5 parts, low shrinkage additive 3-6 parts, wetting dispersant 1-3 parts, styrene inhibitor 1-2 parts; Catalyst component, benzoyl peroxide 10-15 parts, dibutyl phthalate 10-15 parts, composite initiator 5-10 parts, thickening agent 0.5-1.5 parts, zinc stearate 0.1-0.3 parts, deionized water 100-120 parts; The preparation method of the pumpable resin anchor agent comprises the following steps: Mixing the raw materials of the resin component in proportion, stirring uniformly, and preparing the resin mortar; Mixing the raw materials of the catalyst component in proportion, stirring uniformly, and preparing the curing agent; At the construction site, mix the resin component and the catalyst component in a mass ratio of 100:10-20, stir uniformly, and then inject into the anchor hole through the pumping system.

2. A pumpable resin anchor for installing mine tunnel roof bolts according to claim 1 characterised in that: The resin component includes: unsaturated polyester resin 100 parts, superfine modified filler 330 parts, silane coupling agent 3 parts, low shrinkage additive 5 parts, wetting dispersant 1.5 parts, styrene inhibitor 1 part; The superfine modified filler includes nano calcium carbonate and nano silicon dioxide. The catalyst component includes: benzoyl peroxide 12 parts, dibutyl phthalate 12 parts, composite initiator 7 parts, thickening agent 0.8 parts, zinc stearate 0.1 parts, deionized water 110 parts; The composite initiator is a mixture of methyl ethyl ketone peroxide and benzoyl peroxide; The thickening agent is carboxymethyl cellulose and xanthan gum.

3. A pumping device for installing mine tunnel rock bolts for delivering a pumpable resin anchor according to claim 1, comprising an installation machine (1) having a rock bolt (2) mounted on a mobile installation end of said installation machine (1), characterized in that, Also include: Rotary sleeve (4), sleeved on the anchor rod (2), the rotary sleeve (4) is rotatably connected to the anchor rod (2), and the rotary sleeve (4) is close to the lower end of the anchor rod (2); The inflatable air bag (5) is fixedly connected to the rotary sleeve (4); A plurality of cutting knives (6) are fixedly connected to the inflatable air bag (5) at equal intervals, both ends of the cutting knife (6) extend out of the inflatable air bag (5), and the cutting knife (6) is used for cutting a hole. An auxiliary sealing assembly is installed on the rotary sleeve (4), and the auxiliary sealing assembly is used for sealing the chamber to prevent the resin anchor agent from overflowing.

4. A pumping device for installing mine tunnel roof bolts according to claim 3 wherein, The auxiliary sealing assembly includes a pressing plate (803) and a sealing air bag ring (804), the pressing plate (803) is arranged in an arc shape, the sealing air bag ring (804) is installed on the side of the pressing plate (803), and the sealing air bag ring (804) is used for sealing the gap between the chamber and the anchor rod (2) after inflation.

5. A pumping device for installing mine tunnel roof bolts according to claim 4 wherein, The rotary sleeve (4) has two groups of half sleeves spliced together, the inflatable air bag (5) is composed of two groups of air bag rings, and the two groups of air bag rings are installed on the half sleeves respectively, the half sleeves are fixedly connected with detection air bags (801) respectively, and the pressing plate (803) is installed on the detection air bags (801).

6. A pumping device for installing mine tunnel roof bolts according to claim 5 wherein, The detection air bag (801) is provided with an air pressure sensor (802), and the air pressure sensor (802) is used for detecting the pressure borne by the pressing plate (803) when grouting in the hole.

7. A pumping device for installing mine tunnel roof bolts according to claim 5 wherein, The half sleeve is fixedly connected with an air pump (7), an air outlet pipe one (701) and an air outlet pipe two (702) are installed on the air outlet end of the air pump (7), the air outlet pipe one (701) is communicated with the inflatable air bag (5), and the air outlet pipe two (702) is communicated with the sealing air bag ring (804).

8. A pumping device for installing mine tunnel roof bolts according to claim 5 wherein, The half sleeve is fixedly connected with a connecting seat (401), and the connecting seat (401) is used for mounting the two groups of half sleeves.

9. A pumping device for installing mine tunnel roof bolts according to claim 5 wherein, The mounting machine (1) is fixedly connected with a motor (301), a gear part (302) is fixedly connected to the output end of the motor (301), two groups of half tooth rings are fixedly connected to the rotating sleeve (4), the two groups of half tooth rings are spliced to form a tooth ring part (303), and the tooth ring part (303) is in meshing connection with the gear part (302).

10. A pumping device for installing mine tunnel roof bolts according to claim 8 wherein, The mounting machine (1) is provided with a resin tank (901) and a catalyst tank (902), the resin tank (901) is used for storing resin components, the catalyst tank (902) is used for storing catalyst components, a conveying pump is installed on the resin tank (901) and the catalyst tank (902), the conveying pump is used for conveying the resin components and the catalyst components, a plurality of infusion holes (201) are formed in the anchor rod (2), the infusion holes (201) are used for being connected with the liquid outlet ends of the conveying pumps, and the resin components and the catalyst components are conveyed into the drill hole.

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