CN113175340B - Anchoring agent anchoring system - Google Patents
Anchoring agent anchoring system Download PDFInfo
- Publication number
- CN113175340B CN113175340B CN202110484158.0A CN202110484158A CN113175340B CN 113175340 B CN113175340 B CN 113175340B CN 202110484158 A CN202110484158 A CN 202110484158A CN 113175340 B CN113175340 B CN 113175340B
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- oil
- oil inlet
- pipe
- valve
- anchoring
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- 238000004873 anchoring Methods 0.000 title claims abstract description 158
- 238000005086 pumping Methods 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims description 191
- 239000003795 chemical substances by application Substances 0.000 claims description 98
- 239000002002 slurry Substances 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 18
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
- F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
- F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
- F04B9/111—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
- F04B9/113—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting liquid motor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses an anchoring agent anchoring system which comprises an anchoring agent pumping device, a first reversing valve, a first storage tank, a second storage tank and a flow mixer, wherein the first reversing valve is used for controlling a first piston rod of the anchoring agent pumping device, the first storage tank is used for storing a first anchoring agent, and the second storage tank is used for storing a second anchoring agent. The first anchoring agent in the first storage tank and the second anchoring agent in the second storage tank can be injected into the flow mixer through the anchoring agent pumping device, so that the first anchoring agent and the second anchoring agent are suitable for being injected into the roadway wall through the hollow anchor rod connected with the flow mixer. The anchoring agent anchoring and injecting system has the advantages of finishing anchoring and injecting in one reciprocating stroke, along with good anchoring effect, high integration degree, simple structure, small volume and low cost.
Description
Technical Field
The invention relates to the technical field of coal mine anchor rod anchoring machinery, in particular to an anchoring agent anchoring system.
Background
The double-anchoring-agent anchoring-bolt supporting technology in the related technology can achieve very remarkable effects in treating weak and broken rock mass, and the application of the novel anchoring-bolt supporting technology brings good economic benefit and safety benefit to mines. When the anchoring volume of the double anchoring agents is 1:1, the pneumatic grouting pump has good anchoring effect, and the pneumatic grouting pump in the related technology can realize the real-time 1:1 anchoring volume, but has the problems of larger flow and pressure pulsation, high price and larger volume.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the above technical problems.
Therefore, the embodiment of the invention provides an anchoring agent anchoring system which can pump two anchoring agents simultaneously, and can utilize an anchoring agent pumping device and a mixer to mix and then inject the two anchoring agents into a roadway wall in a ratio of 1:1, and has the advantages of finishing anchoring by one reciprocating stroke, along with good anchoring effect, high integration degree, simple structure, small volume and low cost.
An anchoring agent anchoring system according to an embodiment of the present invention includes:
an anchoring agent pumping device, the anchoring agent pumping device comprising:
an integrated cylinder having a piston chamber, a first plunger chamber, a second plunger chamber, a first inlet pipe, a first outlet pipe, a second inlet pipe, and a second outlet pipe, each of the first inlet pipe and the first outlet pipe being in communication with a bottom of the first plunger chamber, each of the second inlet pipe and the second outlet pipe being in communication with a bottom of the second plunger chamber, the first plunger chamber and the second plunger chamber being arranged at intervals in a left-right direction,
a first plunger, at least part of which extends into the first plunger chamber and which is movable in an up-and-down direction relative to the integrated cylinder so that the anchoring agent enters the bottom of the first plunger chamber from the first inlet pipe and is discharged from the first outlet pipe,
a second plunger, at least a portion of which protrudes into the second plunger chamber, and which is movable in an up-and-down direction with respect to the integrated cylinder so that the anchoring agent enters the bottom of the second plunger chamber from the second inlet tube and is discharged from the second outlet tube,
a linkage located above the integrated cylinder, each of the first and second plungers being connected to the linkage, and
the first piston rod is connected with the linkage piece, at least part of the first piston rod is positioned in the piston cavity, and the first piston rod can move up and down relative to the integrated cylinder body under the driving of hydraulic oil entering and exiting the piston cavity so as to drive the linkage piece to move up and down, so that each of the first plunger and the second plunger is driven to move up and down;
the first reversing valve is used for controlling the up-and-down movement of the first piston rod;
a first storage tank for storing a first anchoring agent and a second storage tank for storing a second anchoring agent;
a flow mixer;
the first grouting device comprises a first grouting pipe and a first grouting pipe, wherein one end of the first grouting pipe is connected with the first storage box, the other end of the first grouting pipe is connected with the first inlet pipe, one end of the first grouting pipe is connected with the first outlet pipe, and the other end of the first grouting pipe is connected with the mixer so as to inject the first anchoring agent in the first storage box into the mixer through the first plunger cavity, so that the first anchoring agent is suitable for being injected into a roadway wall through a hollow anchor rod connected with the mixer; and
the second slurry inlet pipe and the second slurry injection pipe, one end of the second slurry inlet pipe is connected with the second storage tank, the other end of the second slurry inlet pipe is connected with the second inlet pipe, one end of the second slurry injection pipe is connected with the second outlet pipe, and the other end of the second slurry injection pipe is connected with the mixer so as to inject the second anchoring agent in the second storage tank into the mixer through the second plunger cavity, so that the second anchoring agent is suitable for being injected into a roadway wall through a hollow anchor rod connected with the mixer.
According to the anchoring agent anchoring system provided by the embodiment of the invention, the first piston rod of the anchoring agent pumping device drives the first plunger piston and the second plunger piston to move up and down under the control of the first reversing valve, so that two anchoring agents can be pumped at the same time, and the volume ratio of the two anchoring agents is 1:1.
The first piston rod, the first plunger and the second plunger are integrated on the integrated cylinder body, the size of the anchoring agent pumping device is reduced, and the first piston rod is driven by hydraulic oil, so that the anchoring agent pumping device is simple in structure, convenient to use and low in manufacturing and maintenance cost.
In addition, the anchoring agent anchoring and injecting system can utilize the mixer to uniformly mix the two anchoring agents in a ratio of 1:1, so that the first anchoring agent and the second anchoring agent are strictly injected into the roadway wall according to a ratio of 1:1, and the anchoring effect can be improved.
Therefore, the anchoring agent pumping device provided by the embodiment of the invention has the advantages of finishing anchoring injection by one reciprocating stroke, along with good anchoring effect, high integration degree, simple structure, small volume and low cost.
In some embodiments, the anchor anchoring system further comprises:
the first one-way valve is arranged on the first grouting pipe so that the first anchoring agent is injected into the mixer;
the second one-way valve is arranged on the second grouting pipe so that the second anchoring agent is injected into the mixer;
the third one-way valve is arranged on the first slurry inlet pipe so that the first anchoring agent enters the first plunger cavity; and
and the fourth one-way valve is arranged on the second slurry inlet pipe so that the second anchoring agent enters the second plunger cavity.
In some embodiments, the anchor anchoring system further comprises:
the oil inlet and outlet connecting block is fixed on one side of the integrated cylinder body and is provided with a first oil inlet and outlet and a second oil inlet and outlet so that hydraulic oil can enter and exit the piston cavity;
one end of the first oil inlet and outlet pipe is communicated with a rod cavity of the piston cavity, and the other end of the first oil inlet and outlet pipe is communicated with the first oil inlet and outlet port; and
and one end of the second oil inlet and outlet pipe is communicated with the rodless cavity of the piston cavity, and the other end of the second oil inlet and outlet pipe is communicated with the second oil inlet and outlet port.
In some embodiments, the first reversing valve has an oil inlet, a first working oil port, a second working oil port, and an oil return port, the oil inlet is in communication with an oil source, the oil return port is in communication with an oil tank, the first working oil port is in communication with the first oil inlet and outlet, and the second working oil port is in communication with the second oil inlet and outlet.
In some embodiments, the anchor anchoring system further comprises:
the drill box is provided with a hydraulic motor for driving the hollow anchor rod to rotate;
the support oil cylinder is used for supporting the roadway wall and guiding the hollow anchor rod;
the drilling oil cylinder is used for driving the drilling box to move in a direction close to or far away from the roadway wall;
the second reversing valve is used for controlling a second piston rod of the drilling oil cylinder to extend or retract;
the third reversing valve is used for controlling the extension or retraction of a third piston rod of the support oil cylinder; and
and the fourth reversing valve is used for controlling the hydraulic motor to rotate forward or reversely.
In some embodiments, the anchor anchoring system further comprises:
the first balance valve is connected to an oil path between the support oil cylinder and the third reversing valve so as to maintain the extending or retracting state of the third piston rod of the support oil cylinder; and
and the second balance valve is connected to an oil path between the drilling oil cylinder and the second reversing valve so as to maintain the extending or retracting state of a second piston rod of the drilling oil cylinder.
In some embodiments, the anchoring agent anchoring system further comprises a water injection pipe, an electromagnetic water ball valve is arranged on the water injection pipe, one end of the water injection pipe is connected with a water source, and the other end of the water injection pipe is connected with the hollow anchor rod through an anchor rod connecting pipe so as to cool and slag the hollow anchor rod when the hollow anchor rod is drilled.
In some embodiments, the anchor anchoring system further comprises a first proportional valve, the first proportional valve being a manual proportional multi-way valve, the first proportional valve comprising:
the first oil inlet unit forms the second reversing valve;
the second oil inlet unit forms the third reversing valve;
the third oil inlet unit forms the fourth reversing valve;
the fourth oil inlet unit forms the first reversing valve;
the first head unit and the first tail unit are used for providing oil inlet and outlet channels for the first oil inlet unit, the second oil inlet unit, the third oil inlet unit and the fourth oil inlet unit.
In some embodiments, the anchor anchoring system further comprises:
the second proportional valve is an electrohydraulic proportional multi-way valve, and comprises:
a fifth oil inlet unit, the fifth oil inlet unit forming the second reversing valve,
a sixth oil inlet unit, the sixth oil inlet unit forming the third reversing valve,
a seventh oil inlet unit, the seventh oil inlet unit forming the fourth reversing valve,
the second head link and the second tail link are used for providing an oil inlet and outlet channel for the fifth oil inlet link, the sixth oil inlet link and the seventh oil inlet link;
a first pressure sensor and a second pressure sensor, the first pressure sensor is arranged on one oil path between the support oil cylinder and the first balance valve, the second pressure sensor is arranged on the other oil path between the support oil cylinder and the first balance valve, so as to provide a pressure signal for the second proportional valve, and thus the third reversing valve is controlled;
a third pressure sensor and a fourth pressure sensor, the third pressure sensor being disposed on one of the oil paths between the drilling cylinder and the second balance valve, the fourth pressure sensor being disposed on the other of the oil paths to provide a pressure signal to the second proportional valve to control the second reversing valve; and
and a fifth pressure sensor provided on an oil path between the hydraulic motor and the fourth directional valve to supply a pressure signal to the second proportional valve to control the fourth directional valve.
In some embodiments, the first reversing valve is a three-position four-way solenoid valve.
Drawings
FIG. 1 is a schematic front view of an anchor system according to one embodiment of the present invention.
Fig. 2 is a schematic front view of an anchor system according to another embodiment of the present invention.
Fig. 3 is a schematic front view of an anchor system according to yet another embodiment of the present invention.
Fig. 4 is a schematic front view of an anchoring agent pumping device according to an embodiment of the present invention.
Fig. 5 is a schematic left-hand view of an anchoring agent pumping device according to an embodiment of the present invention.
Fig. 6 is a schematic top view of an anchoring agent pumping device according to an embodiment of the present invention.
Reference numerals:
anchoring agent pumping means 1000;
an integrated cylinder 100; a first plunger cavity 101; a second plunger chamber 102; a first inlet pipe 103; a first outlet tube 104; a second inlet pipe 105; a second outlet tube 106; a piston chamber 110; a rod cavity 111; a rodless cavity 112; a first piston rod 120; a sealing plug 121; a first connecting rod 122; a first plunger 130; a second connecting rod 131; a second plunger 140; a third connecting rod 141; a first guide seal cartridge 150; a second guide seal cartridge 160; a third guide seal cartridge 170; a cover plate 180; a screw 190;
a linkage 200; a first connection hole 201; a second connection hole 202; a third connection hole 203; a first nut 210; a second nut 220;
an oil inlet and outlet connection block 300; a first oil inlet/outlet 301; a second oil inlet and outlet port 302; a first oil inlet and outlet pipe 310; a second oil inlet and outlet pipe 320;
a first reversing valve 2100; an oil inlet 2110; a first working oil port 2120; a second working oil port 2130; oil return 2140; a speed valve 2200; a first relief valve 2300; second spill valve 2400;
a first grouting pipe 3100; a first check valve 3110; a second grouting pipe 3200; a second one-way valve 3210; a first slurry inlet pipe 3300; a third check valve 3310; a second slurry inlet tube 3400; fourth check valve 3410; a first storage tank 3500; a second storage tank 3600;
a mixer 4000;
a drill box 5000; hydraulic motor 5100; a water injection pipe 5200; anchor rod connecting tube 5300; a fifth pressure sensor 5400;
support the cylinder 6000; a first balance valve 6100; a first pressure sensor 6200; a second pressure sensor 6300;
a first proportional valve 8000; first head 8100; a first oil inlet joint 8200; a second oil feed header 8300; a third oil feed header 8400; a fourth oil feed line 8500; a first tail 8600;
a second proportional valve 9000; second head 9100; a fifth oil inlet joint 9200; a sixth oil feed line 9300; seventh oil inlet joint 9400; and a second tail 9500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, the anchoring agent anchoring system according to the embodiment of the present invention includes an anchoring agent pumping device 1000, a first direction valve 2100, a first storage tank 3500, a second storage tank 3600, a mixer 4000, a first grouting pipe 3300, a first grouting pipe 3100, a second grouting pipe 3400, and a second grouting pipe 3200.
As shown in fig. 1, the first direction valve 2100 is used to control the up and down movement of the first piston rod, the first storage tank 3500 is used to store the first anchoring agent, and the second storage tank 3600 is used to store the second anchoring agent.
One end of the first slurry inlet pipe 3300 is connected with the first storage tank 3500, the other end of the first slurry inlet pipe 3300 is connected with the first inlet pipe, one end of the first slurry injection pipe 3100 is connected with the first outlet pipe, and the other end of the first slurry injection pipe 3100 is connected with the mixer 4000 so as to inject the first anchoring agent in the first storage tank 3500 into the mixer 4000 through the first plunger cavity, thereby being suitable for being injected into the roadway wall through the hollow anchor rod connected with the mixer 4000.
One end of the second slurry inlet pipe 3400 is connected with the second storage tank 3600, the other end of the second slurry inlet pipe 3400 is connected with the second inlet pipe, one end of the second slurry injection pipe 3200 is connected with the second outlet pipe, and the other end of the second slurry injection pipe 3200 is connected with the mixer 4000 so as to inject the second anchoring agent in the second storage tank 3600 into the mixer 4000 through the second plunger cavity, so that the second anchoring agent is suitable for being injected into a roadway wall through a hollow anchor rod connected with the mixer 4000.
It will be appreciated that the hollow anchor rod is connected to the flow mixer 4000 by an anchor rod connection tube 5300.
As shown in fig. 4-6, the anchor pumping device 1000 includes an integrated cylinder 100, a first plunger 130, a second plunger 140, a linkage 200, and a first piston rod 120.
As shown in fig. 4, the integrated cylinder 100 has a piston chamber 110, a first plunger chamber 101, a second plunger chamber 102, a first inlet pipe 103, a first outlet pipe 104, a second inlet pipe 105, and a second outlet pipe 106, each of the first inlet pipe 103 and the first outlet pipe 104 communicating with the bottom of the first plunger chamber 101, each of the second inlet pipe 105 and the second outlet pipe 106 communicating with the bottom of the second plunger chamber 102, the first plunger chamber 101 and the second plunger chamber 102 being arranged at intervals in the left-right direction.
The piston chamber 110 is located between the first plunger chamber 101 and the second plunger chamber 102 in the left-right direction, and the first plunger chamber 101 and the second plunger chamber 102 are bilaterally symmetrical about the center line of the piston chamber 110.
The first inlet pipe 103 and the first outlet pipe 104 are disposed opposite to each other in the left-right direction, and the second inlet pipe 105 and the second outlet pipe 106 are disposed opposite to each other in the left-right direction.
At least a portion of the first plunger 130 extends into the first plunger cavity 101 and the first plunger is movable in an up-down direction relative to the integrated cylinder 100 such that the anchoring agent enters the bottom of the first plunger cavity 101 from the first inlet tube 103 and exits from the first outlet tube 104.
At least a portion of the second plunger 140 protrudes into the second plunger chamber 102 and the second plunger is movable in an up-down direction relative to the integrated cylinder 100 so that the anchoring agent enters the bottom of the second plunger chamber 102 from the second inlet tube 105 and is discharged from the second outlet tube 106.
It will be appreciated that the first inlet tube 103, the first outlet tube 104, the second inlet tube 105 and the second outlet tube 106 may each be provided with a one-way valve to control the passage of one anchoring agent from the first inlet tube 103 into the bottom of the first plunger cavity 101 and out of the first outlet tube 104, and the passage of the other anchoring agent from the second inlet tube 105 into the bottom of the second plunger cavity 102 and out of the second outlet tube 106.
Specifically, as shown in fig. 1, the anchoring agent anchoring system of the embodiment of the present invention includes a first one-way valve 3110, a second one-way valve 3210, a third one-way valve 3310, and a fourth one-way valve 3410.
A first check valve 3110 is provided on the first grouting pipe 3100 so that the first anchoring agent is injected into the mixer 4000. A second check valve 3210 is provided on the second grouting pipe 3200 so that a second anchoring agent is injected into the mixer 4000. A third check valve 3310 is provided on the first feed tube 3300 for the first anchoring agent to enter the first plunger cavity. A fourth one-way valve 3410 is provided on the second slurry inlet tube 3400 for the second anchoring agent to enter the second plunger cavity.
The linkage 200 is located above the integrated cylinder 100, each of the first piston rod 120, the first plunger 130 and the second plunger 140 is connected to the linkage 200, at least part of the first piston rod 120 is located in the piston chamber 110, and the first piston rod 120 can move up and down relative to the integrated cylinder 100 under the driving of hydraulic oil flowing into and out of the piston chamber 110 so as to drive the linkage 200 to move up and down, thereby driving each of the first plunger 130 and the second plunger 140 to move up and down.
According to the anchoring agent anchoring system of the embodiment of the invention, the first piston rod 120 of the anchoring agent pumping device 1000 drives the first plunger 130 and the second plunger 140 to move up and down under the control of the first reversing valve 2100, so that two anchoring agents can be pumped at the same time, and the volume ratio of the two anchoring agents is 1:1.
The first piston rod 120 is integrated with the first plunger 130 and the second plunger 140 on the integrated cylinder 100, the size of the anchoring agent pumping device 1000 is reduced, and the first piston rod 120 is driven by hydraulic oil, so that the structure is simple, the use is convenient, and the manufacturing and maintenance costs are low.
In addition, the anchoring agent anchoring system can utilize the mixer 4000 to uniformly mix the two anchoring agents in a ratio of 1:1, so that the first anchoring agent and the second anchoring agent are strictly injected into the roadway wall according to the ratio of 1:1, and the anchoring effect can be improved.
Therefore, the anchoring agent pumping device 1000 provided by the embodiment of the invention has the advantages of finishing anchoring by one reciprocating stroke, along with good anchoring effect, high integration degree, simple structure, small volume and low cost.
As shown in fig. 4 to 6, the lower end of the first piston rod 120 of the anchoring agent pumping device 1000 is a sealing plug 121 extending into the piston chamber 110, the upper end of the first piston rod 120 is a first connecting rod 122 connected to the linkage 200, the upper end of the first plunger 130 is a second connecting rod 131 connected to the linkage 200, and the upper end of the second plunger 140 is a third connecting rod 141 connected to the linkage 200.
As shown in fig. 4, the linkage member 200 includes a first connection hole 201, a second connection hole 202, and a third connection hole 203.
The first connecting rod 122 extends into the first connecting hole 201 to connect with the linkage 200, and the length of the first connecting rod 122 extending into the first connecting hole 201 is adjustable.
Specifically, the first connecting rod 122 is a threaded rod, and the first connecting hole 201 is a threaded hole matched with the threaded rod so as to adjust the length of the second connecting rod 131 extending into the second connecting hole 202.
The second connection rod 131 protrudes into the second connection hole 202 to be connected with the linkage member 200. Specifically, the second connecting rod 131 passes through the second connecting hole 202, and the upper end of the second connecting rod 131 is provided with external threads and is matched with the first nut 210, the lower end of the second connecting rod 131 is provided with a first limiting part, the first nut 210 is located above the linkage member 200 and is stopped against the upper surface of the linkage member 200, and the first limiting part is located below the linkage member 200 and is stopped against the lower surface of the linkage member 200, so as to limit the length of the second connecting rod 131 extending into the second connecting hole 202.
The third connection rod 141 protrudes into the third connection hole 203 to be connected with the linkage member 200. Specifically, the third connecting rod 141 passes through the third connecting hole 203, and the upper end of the third connecting rod 141 is provided with an external thread and is matched with the second nut 220, the lower end of the third connecting rod 141 is provided with a second limiting portion, the second nut 220 is located above the linkage member 200 and is stopped against the upper surface of the linkage member 200, and the second limiting portion is located below the linkage member 200 and is stopped against the lower surface of the linkage member 200, so as to limit the length of the third connecting rod 141 extending into the third connecting hole 203.
According to the anchoring agent anchoring system of the embodiment of the present invention, the length of the first connecting rod 122 of the anchoring agent pumping device 1000 extending into the first connecting hole 201 is adjustable, that is, the height of the linkage member 200 relative to the first piston rod 120 can be adjusted, and the relative heights of the linkage member 200, the first plunger 130 and the second plunger 140 are unchanged. So that the strokes of the first plunger 130 and the second plunger 140 can be adjusted during one reciprocating stroke of the first piston rod 120, thereby adjusting the volume of the anchoring agent pumped by the anchoring agent pumping device 1000 of the embodiment of the present invention during one reciprocating stroke of the first piston rod 120.
For example, as shown in fig. 4, the first piston rod 120 is kept still, the length of the first connecting rod 122 extending into the first connecting hole 201 is reduced, that is, the height of the linkage 200 becomes higher, so as to drive the first plunger 130 and the second plunger 140 to move upwards, and a space is reserved at the bottoms of the first plunger cavity 101 and the second plunger cavity 102, and at this time, the sealing plug 121 of the first piston rod 120 is located at the lowest part of the piston cavity 110. When the first piston rod 120 works, the first plunger 130 and the second plunger 140 move up and down, the reserved space is always reserved, and the strokes of the first plunger and the second plunger become smaller, so that the volume of the anchoring agent pumped by the anchoring agent pumping device 1000 in the embodiment of the invention becomes smaller in one reciprocating stroke of the first piston rod 120.
As shown in fig. 4, the anchoring agent pumping device 1000 further includes a first guide sealing sleeve 150, a second guide sealing sleeve 160, a third guide sealing sleeve 170, and a cover plate 180.
The first guide sealing sleeve 150 is positioned in the piston chamber 110 and is provided at an upper portion of the piston chamber 110 so as to block the upper portion of the piston chamber 110, and the first piston rod 120 passes through the first guide sealing sleeve 150.
The second guide sealing sleeve 160 is located in the first plunger chamber 101 and is provided at an upper portion of the first plunger chamber 101 so as to seal off the upper portion of the first plunger chamber 101, and the first plunger passes through the second guide sealing sleeve 160.
A third guide gland 170 is located within the second plunger chamber 102 and is disposed in an upper portion of the second plunger chamber 102 so as to block the upper portion of the second plunger chamber 102, the second plunger passing through the third guide gland 170.
The cover plate 180 is disposed at the upper end of the integrated cylinder 100, and the cover plate 180 is fixedly connected with the integrated cylinder 100 through screws so as to limit the first guide sealing sleeve 150, the second guide sealing sleeve 160 and the third guide sealing sleeve.
According to the anchoring agent anchoring system of the embodiment of the invention, the first guide sealing sleeve 150 of the anchoring agent pumping device 1000 can avoid hydraulic oil leakage, the second guide sealing sleeve 160 can avoid anchoring agent leakage in the first plunger cavity 101, the third guide sleeve can avoid anchoring agent leakage in the second plunger cavity 102, and the cover plate 180 can limit the first guide sealing sleeve 150, the second guide sealing sleeve 160 and the third limit sealing sleeve.
In some embodiments, as shown in fig. 5 and 6, the anchoring agent pumping device 1000 of the embodiment of the present invention further includes an oil inlet and outlet connection block 300, a first oil inlet and outlet pipe 310, and a second oil inlet and outlet pipe 320.
The oil inlet and outlet connection block 300 is fixed at one side of the integrated cylinder 100, and the oil inlet and outlet connection block 300 has a first oil inlet and outlet port 301 and a second oil inlet and outlet port 302. One end of the first oil inlet and outlet pipe 310 is communicated with the rod cavity 111 of the piston cavity 110, the other end of the first oil inlet and outlet pipe 310 is communicated with the first oil inlet and outlet port 301, one end of the second oil inlet and outlet pipe 320 is communicated with the rodless cavity 112 of the piston cavity 110, and the other end of the second oil inlet and outlet pipe 320 is communicated with the second oil inlet and outlet port 302 so that hydraulic oil can enter and exit the piston cavity 110.
The anchoring agent pumping device 1000 uses a hydraulic system to replace a pneumatic system to drive the first plunger 130 and the second plunger 140 to work, and has a simple structure and is convenient to control.
In some embodiments, as shown in fig. 1, the first reversing valve 2100 has an oil inlet 2110, a first working port 2120, a second working port 2130, and an oil return 2140. The oil inlet 2110 communicates with the oil source P, the oil return 2140 communicates with the oil tank T, the first working port 2120 communicates with the first oil intake port 301, and the second working port 2130 communicates with the second oil intake port 302. Thereby, the first direction valve 2100 can control the up-and-down movement of the first piston rod.
As shown in fig. 1, a speed regulating valve 2200 is arranged on an oil path between the oil inlet 2110 and the oil source P, a first overflow valve 2300 is arranged on an oil path between the first working oil port 2120 and the first oil inlet/outlet 301, and a second overflow valve 2400 is arranged on an oil path between the second working oil port 2130 and the second oil inlet/outlet 302.
The speed valve 2200 can define a constant flow of hydraulic oil into the oil inlet 2110, facilitating the stability of the operation of the first reversing valve 2100 and the anchor pumping device 1000.
In some embodiments, as shown in fig. 1-3, the anchoring agent anchoring system of embodiments of the present invention further includes a drill box 5000, a support cylinder 6000, a drill cylinder 7000, a second reversing valve, a third reversing valve, and a fourth reversing valve.
The drill box 5000 is provided with a hydraulic motor 5100 for driving the hollow bolt to rotate. The support cylinder 6000 is used for supporting the roadway wall and guiding the hollow anchor rod. Drilling cylinder 7000 is used to drive drill box 5000 to move in a direction toward or away from the roadway wall. That is, the supporting cylinder 6000 is supported to the roadway wall, the drilling box 5000 drives the hollow anchor rod to rotate, and the drilling cylinder 7000 drives the drilling box 5000 to drill.
Wherein the second reversing valve is used to control the extension or retraction of the second piston rod of the drilling cylinder 7000. The third reversing valve is used for controlling the extension or retraction of a third piston rod of the support cylinder 6000. The fourth reversing valve is used to control the hydraulic motor 5100 to either forward or reverse.
In some embodiments, the anchor anchoring system of embodiments of the present invention further includes a first balance valve 6100 and a second balance valve 7100. The first balance valve 6100 is connected to an oil passage between the support cylinder 6000 and the third reversing valve so as to maintain the extended or retracted state of the third piston rod of the support cylinder 6000. The second balance valve 7100 is connected to an oil path between the drilling cylinder 7000 and the second direction valve so as to maintain the extended or retracted state of the second piston rod of the drilling cylinder 7000.
Therefore, during operation, the third piston rod of the support cylinder 6000 and the second piston rod of the drilling cylinder 7000 can be prevented from moving reversely when the oil pressure is unstable, and the extended state of the third piston rod of the support cylinder 6000 and the second piston rod of the drilling cylinder 7000 can be maintained at the time of anchoring.
In some embodiments, the anchor anchoring system of embodiments of the present invention further includes a water injection tube 5200. Be equipped with electromagnetic water ball valve on the water injection pipe 5200, the one end of water injection pipe 5200 links to each other with the water source, and the other end of water injection pipe 5200 passes through anchor rod connecting pipe 5300 with hollow stock and links to each other. Therefore, the water injection pipe 5200 can cool down and slag the hollow anchor rod when the hollow anchor rod is drilled, and safety and reliability are improved.
In some embodiments, as shown in fig. 2, the anchoring agent anchoring system of embodiments of the present invention further includes a first proportional valve 8000. The first proportional valve 8000 is a manual proportional multi-way valve. The first proportional valve 8000 includes a first oil inlet union 8200, a second oil inlet union 8300, a third oil inlet union 8400, a fourth oil inlet union 8500, a first head union 8100, and a first tail union 8600. The first oil feed line 8200 forms a second reversing valve, the second oil feed line 8300 forms a third reversing valve, the third oil feed line 8400 forms a fourth reversing valve, and the fourth oil feed line 8500 forms the first reversing valve 2100. The first head coupling 8100 and the first tail coupling 8600 are used for providing oil inlet and outlet passages for the first oil inlet coupling 8200, the second oil inlet coupling 8300, the third oil inlet coupling 8400 and the fourth oil inlet coupling 8500.
In some embodiments, as shown in fig. 3, the anchoring agent anchoring system of embodiments of the present invention further includes a second proportional valve 9000, a first pressure sensor 6200, a second pressure sensor 6300, a third pressure sensor 7200, a fourth pressure sensor 7300, and a fifth pressure sensor 5400.
The second proportional valve 9000 is an electro-hydraulic proportional multi-way valve. The second proportioning valve 9000 comprises a fifth oil feed header 9200, a sixth oil feed header 9300, a seventh oil feed header 9400, a second head header 9100, and a second tail header 9500. The fifth oil inlet pair 9200 forms a second reversing valve, the sixth oil inlet pair 9300 forms a third reversing valve, and the seventh oil inlet pair 9400 forms a fourth reversing valve. The second head unit 9100 and the second tail unit 9500 are used for providing oil inlet and outlet passages for the fifth oil inlet unit 9200, the sixth oil inlet unit 9300 and the seventh oil inlet unit 9400.
As shown in fig. 3, the first reversing valve 2100 that controls the up-and-down movement of the first piston rod 120 is a three-position four-way solenoid valve that is provided separately.
The first pressure sensor 6200 is provided on one oil path between the support cylinder 6000 and the first balance valve 6100, and the second pressure sensor 6300 is provided on the other oil path between the support cylinder 6000 and the first balance valve 6100 to supply the second proportional valve 9000 with a pressure signal to control the third directional valve.
A third pressure sensor 7200 is provided on one oil path between the drilling cylinder 7000 and the second balance valve 7100, and a fourth pressure sensor 7300 is provided on the other oil path between the drilling cylinder 7000 and the second balance valve 7100 to provide a pressure signal to the second proportional valve 9000 to control the second reversing valve.
A fifth pressure sensor 5400 is provided on an oil line between the hydraulic motor 5100 and the fourth directional valve to provide a pressure signal to the second proportional valve 9000 to control the fourth directional valve.
It is understood that the manual proportional multi-way valve and the electro-hydraulic proportional multi-way valve are both connected with an oil source and an oil return tank. In addition, the specific structures of the manual proportional multi-way valve and the electro-hydraulic proportional multi-way valve are well known to those skilled in the art, and will not be described in detail.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. An anchor anchoring system, comprising:
an anchoring agent pumping device, the anchoring agent pumping device comprising:
an integrated cylinder having a piston chamber, a first plunger chamber, a second plunger chamber, a first inlet pipe, a first outlet pipe, a second inlet pipe, and a second outlet pipe, each of the first inlet pipe and the first outlet pipe being in communication with a bottom of the first plunger chamber, each of the second inlet pipe and the second outlet pipe being in communication with a bottom of the second plunger chamber, the first plunger chamber and the second plunger chamber being arranged at intervals in a left-right direction,
a first plunger, at least part of which extends into the first plunger chamber and which is movable in an up-and-down direction relative to the integrated cylinder so that the anchoring agent enters the bottom of the first plunger chamber from the first inlet pipe and is discharged from the first outlet pipe,
a second plunger, at least a portion of which protrudes into the second plunger chamber, and which is movable in an up-and-down direction with respect to the integrated cylinder so that the anchoring agent enters the bottom of the second plunger chamber from the second inlet tube and is discharged from the second outlet tube,
a linkage located above the integrated cylinder, each of the first and second plungers being connected to the linkage, and
the first piston rod is connected with the linkage piece, at least part of the first piston rod is positioned in the piston cavity, and the first piston rod can move up and down relative to the integrated cylinder body under the driving of hydraulic oil entering and exiting the piston cavity so as to drive the linkage piece to move up and down, so that each of the first plunger and the second plunger is driven to move up and down;
the first reversing valve is used for controlling the up-and-down movement of the first piston rod;
a first storage tank for storing a first anchoring agent and a second storage tank for storing a second anchoring agent;
a flow mixer;
the first grouting device comprises a first grouting pipe and a first grouting pipe, wherein one end of the first grouting pipe is connected with the first storage box, the other end of the first grouting pipe is connected with the first inlet pipe, one end of the first grouting pipe is connected with the first outlet pipe, and the other end of the first grouting pipe is connected with the mixer so as to inject the first anchoring agent in the first storage box into the mixer through the first plunger cavity, so that the first anchoring agent is suitable for being injected into a roadway wall through a hollow anchor rod connected with the mixer; and
the second slurry inlet pipe and the second slurry injection pipe, one end of the second slurry inlet pipe is connected with the second storage tank, the other end of the second slurry inlet pipe is connected with the second inlet pipe, one end of the second slurry injection pipe is connected with the second outlet pipe, and the other end of the second slurry injection pipe is connected with the mixer so as to inject the second anchoring agent in the second storage tank into the mixer through the second plunger cavity, so that the second anchoring agent is suitable for being injected into a roadway wall through a hollow anchor rod connected with the mixer.
2. The anchor anchoring system of claim 1, further comprising:
the first one-way valve is arranged on the first grouting pipe so that the first anchoring agent is injected into the mixer;
the second one-way valve is arranged on the second grouting pipe so that the second anchoring agent is injected into the mixer;
the third one-way valve is arranged on the first slurry inlet pipe so that the first anchoring agent enters the first plunger cavity; and
and the fourth one-way valve is arranged on the second slurry inlet pipe so that the second anchoring agent enters the second plunger cavity.
3. The anchor anchoring system of claim 2, further comprising:
the oil inlet and outlet connecting block is fixed on one side of the integrated cylinder body and is provided with a first oil inlet and outlet and a second oil inlet and outlet so that hydraulic oil can enter and exit the piston cavity;
one end of the first oil inlet and outlet pipe is communicated with a rod cavity of the piston cavity, and the other end of the first oil inlet and outlet pipe is communicated with the first oil inlet and outlet port; and
and one end of the second oil inlet and outlet pipe is communicated with the rodless cavity of the piston cavity, and the other end of the second oil inlet and outlet pipe is communicated with the second oil inlet and outlet port.
4. The anchor anchoring system of claim 3, wherein the first reversing valve has an oil inlet, a first working port, a second working port, and an oil return port, the oil inlet being in communication with an oil source, the oil return port being in communication with an oil tank, the first working port being in communication with the first oil inlet and outlet port, and the second working port being in communication with the second oil inlet and outlet port.
5. The anchor anchoring system of claim 4, further comprising:
the drill box is provided with a hydraulic motor for driving the hollow anchor rod to rotate;
the support oil cylinder is used for supporting the roadway wall and guiding the hollow anchor rod;
the drilling oil cylinder is used for driving the drilling box to move in a direction close to or far away from the roadway wall;
the second reversing valve is used for controlling a second piston rod of the drilling oil cylinder to extend or retract;
the third reversing valve is used for controlling the extension or retraction of a third piston rod of the support oil cylinder; and
and the fourth reversing valve is used for controlling the hydraulic motor to rotate forward or reversely.
6. The anchor anchoring system of claim 5, further comprising:
the first balance valve is connected to an oil path between the support oil cylinder and the third reversing valve so as to maintain the extending or retracting state of the third piston rod of the support oil cylinder; and
and the second balance valve is connected to an oil path between the drilling oil cylinder and the second reversing valve so as to maintain the extending or retracting state of a second piston rod of the drilling oil cylinder.
7. The anchor anchoring system according to claim 6, further comprising a water injection pipe, wherein an electromagnetic water ball valve is arranged on the water injection pipe, one end of the water injection pipe is connected with a water source, and the other end of the water injection pipe is connected with the hollow anchor rod through an anchor rod connecting pipe so as to cool and slag the hollow anchor rod when the hollow anchor rod is drilled.
8. The anchor anchoring system of claim 7, further comprising a first proportional valve, the first proportional valve being a manual proportional multi-way valve, the first proportional valve comprising:
the first oil inlet unit forms the second reversing valve;
the second oil inlet unit forms the third reversing valve;
the third oil inlet unit forms the fourth reversing valve;
the fourth oil inlet unit forms the first reversing valve;
the first head unit and the first tail unit are used for providing oil inlet and outlet channels for the first oil inlet unit, the second oil inlet unit, the third oil inlet unit and the fourth oil inlet unit.
9. The anchor anchoring system of claim 7, further comprising:
the second proportional valve is an electrohydraulic proportional multi-way valve, and comprises:
a fifth oil inlet unit, the fifth oil inlet unit forming the second reversing valve,
a sixth oil inlet unit, the sixth oil inlet unit forming the third reversing valve,
a seventh oil inlet unit, the seventh oil inlet unit forming the fourth reversing valve,
the second head link and the second tail link are used for providing an oil inlet and outlet channel for the fifth oil inlet link, the sixth oil inlet link and the seventh oil inlet link;
a first pressure sensor and a second pressure sensor, the first pressure sensor is arranged on one oil path between the support oil cylinder and the first balance valve, the second pressure sensor is arranged on the other oil path between the support oil cylinder and the first balance valve, so as to provide a pressure signal for the second proportional valve, and thus the third reversing valve is controlled;
a third pressure sensor and a fourth pressure sensor, the third pressure sensor being disposed on one of the oil paths between the drilling cylinder and the second balance valve, the fourth pressure sensor being disposed on the other of the oil paths to provide a pressure signal to the second proportional valve to control the second reversing valve; and
and a fifth pressure sensor provided on an oil path between the hydraulic motor and the fourth directional valve to supply a pressure signal to the second proportional valve to control the fourth directional valve.
10. The anchor priming system of claim 9, wherein the first reversing valve is a three-position four-way solenoid valve.
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| CN202110484158.0A CN113175340B (en) | 2021-04-30 | 2021-04-30 | Anchoring agent anchoring system |
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| CN202110484158.0A CN113175340B (en) | 2021-04-30 | 2021-04-30 | Anchoring agent anchoring system |
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| CN113175340B true CN113175340B (en) | 2023-06-20 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2002854A (en) * | 1977-08-20 | 1979-02-28 | Fischer Artur | Improvements in and relating to a fixing agent injection device for use in anchoring a fixing plug |
| CN104153801A (en) * | 2014-08-29 | 2014-11-19 | 河南理工大学 | Method for automatic, rapid and damage-free application of high pretightening force to mining anchor rod |
| CN109750677A (en) * | 2019-01-16 | 2019-05-14 | 淮南矿业(集团)有限责任公司 | A kind of prestress anchorage cable full-length anchorage support method |
| CN111648803A (en) * | 2020-05-13 | 2020-09-11 | 河南理工大学 | Anchor cable self-drilling and rapid anchoring construction method based on water jet technology |
| CN112303067A (en) * | 2020-10-23 | 2021-02-02 | 中国煤炭科工集团太原研究院有限公司 | Anchor cable drilling machine electro-hydraulic control system |
| CN112360527A (en) * | 2020-11-11 | 2021-02-12 | 中国矿业大学 | Anchoring agent compaction device, anchor rod and using method |
| CN112360501A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Temporary support and drilling and grouting integrated anchor rod composite support system and construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016172047A1 (en) * | 2015-04-20 | 2016-10-27 | Illinois Tool Works Inc. | Nozzle for a tool for injecting chemical anchor resin |
-
2021
- 2021-04-30 CN CN202110484158.0A patent/CN113175340B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2002854A (en) * | 1977-08-20 | 1979-02-28 | Fischer Artur | Improvements in and relating to a fixing agent injection device for use in anchoring a fixing plug |
| CN104153801A (en) * | 2014-08-29 | 2014-11-19 | 河南理工大学 | Method for automatic, rapid and damage-free application of high pretightening force to mining anchor rod |
| CN109750677A (en) * | 2019-01-16 | 2019-05-14 | 淮南矿业(集团)有限责任公司 | A kind of prestress anchorage cable full-length anchorage support method |
| CN111648803A (en) * | 2020-05-13 | 2020-09-11 | 河南理工大学 | Anchor cable self-drilling and rapid anchoring construction method based on water jet technology |
| CN112360501A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Temporary support and drilling and grouting integrated anchor rod composite support system and construction method |
| CN112303067A (en) * | 2020-10-23 | 2021-02-02 | 中国煤炭科工集团太原研究院有限公司 | Anchor cable drilling machine electro-hydraulic control system |
| CN112360527A (en) * | 2020-11-11 | 2021-02-12 | 中国矿业大学 | Anchoring agent compaction device, anchor rod and using method |
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| CN113175340A (en) | 2021-07-27 |
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