CN113175340A - Anchoring agent anchoring system - Google Patents
Anchoring agent anchoring system Download PDFInfo
- Publication number
- CN113175340A CN113175340A CN202110484158.0A CN202110484158A CN113175340A CN 113175340 A CN113175340 A CN 113175340A CN 202110484158 A CN202110484158 A CN 202110484158A CN 113175340 A CN113175340 A CN 113175340A
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- Prior art keywords
- oil
- valve
- oil inlet
- anchoring agent
- pipe
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- 238000004873 anchoring Methods 0.000 title claims abstract description 185
- 238000005086 pumping Methods 0.000 claims abstract description 33
- 239000003921 oil Substances 0.000 claims description 185
- 239000003795 chemical substances by application Substances 0.000 claims description 122
- 238000005553 drilling Methods 0.000 claims description 30
- 239000011440 grout Substances 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 11
- 210000004907 gland Anatomy 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
Landscapes
- 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (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 by the anchoring agent pumping device, so that the first anchoring agent and the second anchoring agent are suitable for being injected into the wall of the roadway through the hollow anchor rod connected with the flow mixer. The anchoring agent anchoring and grouting system has the advantages of completing anchoring and grouting in one reciprocating stroke, 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 and grouting machinery, in particular to an anchoring agent anchoring and grouting system.
Background
The double-anchoring-agent anchor-grouting anchor-bolt supporting technology in the related technology can obtain very obvious effect when treating weak and broken rock mass, and the application of the novel anchor-grouting anchor-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 double anchoring agent has a good anchoring effect, and a pneumatic grouting pump in the related technology can realize the real-time anchoring volume of 1:1, but has the problems of large flow and pressure pulsation, high price and large volume.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to some extent.
Therefore, the embodiment of the invention provides an anchoring agent anchoring system which can pump two anchoring agents simultaneously, can mix the two anchoring agents 1:1 by using an anchoring agent pumping device and a mixer and then inject the mixture into the wall of a roadway, and has the advantages of completing anchoring by one reciprocating stroke, 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 block 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 communicating with a bottom of the first plunger chamber, each of the second inlet pipe and the second outlet pipe communicating 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 a portion of the first plunger extending into the first plunger cavity, and the first plunger being movable in an up-and-down direction relative to the integrated cylinder so that an anchoring agent enters a bottom of the first plunger cavity from the first inlet tube and exits from the first outlet tube,
a second plunger at least partially protruding into the second plunger chamber and movable in an up-down direction relative to the integrated cylinder so that an anchoring agent enters a bottom of the second plunger chamber from the second inlet pipe and exits from the second outlet pipe,
a linkage located above the integrated cylinder, each of the first and second plungers being connected to the linkage, an
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 drive 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;
a first slurry inlet pipe and a first slurry injecting pipe, wherein one end of the first slurry inlet pipe is connected with the first storage tank, the other end of the first slurry inlet pipe is connected with the first inlet pipe, one end of the first slurry injecting pipe is connected with the first outlet pipe, and the other end of the first slurry injecting pipe is connected with the mixer, so that the first anchoring agent in the first storage tank is injected into the mixer through the first plunger cavity, and the first anchoring agent is suitable for being injected into the wall of the roadway through a hollow anchor rod connected with the mixer; and
the second grout inlet pipe and the second grout injection pipe, one end of the second grout inlet pipe is connected with the second storage box, the other end of the second grout inlet pipe is connected with the second inlet pipe, one end of the second grout injection pipe is connected with the second outlet pipe, and the other end of the second grout injection pipe is connected with the flow mixer, so that the second anchoring agent in the second storage box is injected into the flow mixer through the second plunger cavity, and the second anchoring agent is suitable for being injected into the wall of the roadway through a hollow anchor rod connected with the flow mixer.
According to the anchoring agent anchoring and injecting system provided by the embodiment of the invention, the first piston rod of the anchoring agent pumping device drives the first plunger and the second plunger to move up and down under the control of the first reversing valve, so that two anchoring agents can be pumped simultaneously, 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, the first piston rod is driven by hydraulic oil, and 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 uniformly mix two anchoring agents in a ratio of 1:1 by using the mixer, so that the first anchoring agent and the second anchoring agent are injected into the wall of the roadway strictly according to the 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 completion of anchoring injection by one reciprocating stroke, good anchoring effect, high integration degree, simple structure, small volume and low cost.
In some embodiments, the anchoring agent anchoring system further comprises:
the first one-way valve is arranged on the first grouting pipe so that the first anchoring agent can be injected into the mixer;
the second one-way valve is arranged on the second grouting pipe so that the second anchoring agent can be injected into the mixer;
the third one-way valve is arranged on the first grout inlet pipe so that the first anchoring agent can enter the first plunger cavity; and
and the fourth one-way valve is arranged on the second grout inlet pipe so that the second anchoring agent can enter the second plunger cavity.
In some embodiments, the anchoring agent 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 the 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; 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.
In some embodiments, the first directional control valve has an oil inlet, a first working oil port, a second working oil port, and an oil return port, the oil inlet is communicated with the oil source, the oil return port is communicated with the oil tank, the first working oil port is communicated with the first oil inlet/outlet port, and the second working oil port is communicated with the second oil inlet/outlet port.
In some embodiments, the anchoring agent anchoring system further comprises:
the drilling box is provided with a hydraulic motor for driving the hollow anchor rod to rotate;
the supporting 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 towards the 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 out or retract;
the third reversing valve is used for controlling a third piston rod of the supporting oil cylinder to extend out or retract; and
and the fourth reversing valve is used for controlling the hydraulic motor to rotate forwards or backwards.
In some embodiments, the anchoring agent anchoring system further comprises:
a first balance valve connected to an oil path between the support cylinder and the third direction changing valve so as to maintain an extended or retracted state of a third piston rod of the support 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 the second piston rod of the drilling oil cylinder.
In some embodiments, the anchoring agent anchoring system further comprises 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 that the hollow anchor rod is cooled and slag is discharged when the hollow anchor rod is drilled.
In some embodiments, the anchoring agent anchoring system further comprises a first proportional valve, the first proportional valve being a manual proportional multi-way valve, the first proportional valve comprising:
a first oil inlet joint, wherein the first oil inlet joint forms the second reversing valve;
a second oil inlet joint, wherein the second oil inlet joint forms the third reversing valve;
a third oil inlet pair, the third oil inlet pair forming the fourth directional control valve;
a fourth oil inlet pair, the fourth oil inlet pair forming the first reversing valve;
the first head joint and the first tail joint are used for providing an oil inlet and outlet channel for the first oil inlet joint, the second oil inlet joint, the third oil inlet joint and the fourth oil inlet joint.
In some embodiments, the anchoring agent anchoring system further comprises:
the second proportional valve, the second proportional valve is the electro-hydraulic proportional multi-way valve, the second proportional valve includes:
a fifth oil inlet joint which forms the second reversing valve,
a sixth oil inlet joint which forms the third reversing valve,
a seventh oil inlet joint, wherein the seventh oil inlet joint forms the fourth reversing valve,
the second head joint and the second tail joint are used for providing oil inlet and outlet channels for the fifth oil inlet joint, the sixth oil inlet joint and the seventh oil inlet joint;
a first pressure sensor and a second pressure sensor, the first pressure sensor being disposed in one oil path between the support cylinder and the first counter-valve, the second pressure sensor being disposed in the other oil path between the support cylinder and the first counter-valve to provide a pressure signal to the second proportional valve to control the third directional valve;
a third pressure sensor disposed in one of the oil paths between the drilling cylinder and the second balancing valve, and a fourth pressure sensor disposed in the other of the oil paths between the drilling cylinder and the second balancing valve to provide a pressure signal to the second proportional valve to control the second directional valve; and
a fifth pressure sensor disposed in an oil path between the hydraulic motor and the fourth directional valve to provide 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 anchoring agent anchoring system according to an embodiment of the present invention.
Fig. 2 is a schematic front view of an anchoring agent anchoring system according to another embodiment of the present invention.
Fig. 3 is a schematic front view of an anchoring agent anchoring 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 left side schematic 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:
an anchoring agent pumping device 1000;
an integrated cylinder block 100; a first plunger chamber 101; a second plunger cavity 102; a first intake manifold 103; a first outlet pipe 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; the third connecting rod 141; a first guiding gland 150; a second guiding gland 160; a third guiding gland 170; a cover plate 180; a screw 190;
a link 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 inlet and outlet oil connecting block 300; a first oil inlet/outlet port 301; a second oil inlet/outlet 302; a first oil inlet/outlet pipe 310; a second oil inlet/outlet pipe 320;
a first direction valve 2100; an oil inlet 2110; a first working oil port 2120; a second working oil port 2130; an oil return port 2140; a speed control valve 2200; a first relief valve 2300; a second relief valve 2400;
a first grouting pipe 3100; a first check valve 3110; a second slip pipe 3200; a second check valve 3210; a first slurry inlet pipe 3300; a third check valve 3310; a second slurry inlet pipe 3400; a fourth check valve 3410; a first storage box 3500; a second storage tank 3600;
a mixer 4000;
a drill box 5000; the hydraulic motor 5100; a water injection tube 5200; the anchor rod connecting pipe 5300; a fifth pressure sensor 5400;
a support cylinder 6000; a first balancing valve 6100; a first pressure sensor 6200; a second pressure sensor 6300;
a drilling cylinder 7000; a second balancing valve 7100; a third pressure sensor 7200; a fourth pressure sensor 7300;
a first proportional valve 8000; a first lead 8100; the first oil inlet is 8200; a second oil feed connection 8300; a third oil inlet connection 8400; a fourth oil inlet joint 8500; a first tail 8600;
a second proportional valve 9000; second preamble 9100; a fifth oil inlet is 9200; a sixth oil inlet port 9300; the seventh oil inlet is connected with 9400; the 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 with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to 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 flow mixer 4000, a first grout inlet pipe 3300, a first grout pipe 3100, a second grout inlet pipe 3400, and a second grout 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 grout inlet pipe 3300 is connected to the first storage tank 3500, the other end of the first grout inlet pipe 3300 is connected to the first inlet pipe, one end of the first grout injection pipe 3100 is connected to the first outlet pipe, and the other end of the first grout injection pipe 3100 is connected to the mixer 4000, so that the first anchoring agent in the first storage tank 3500 is injected into the mixer 4000 through the first plunger cavity, thereby the first anchoring agent is adapted to be injected into the roadway wall through the hollow anchor rod connected to the mixer 4000.
One end of a second grout inlet pipe 3400 is connected with the second storage tank 3600, the other end of the second grout inlet pipe 3400 is connected with the second inlet pipe, one end of a second grout inlet pipe 3200 is connected with the second outlet pipe, and the other end of the second grout inlet pipe 3200 is connected with the mixer 4000, so that the second anchoring agent in the second storage tank 3600 is injected into the mixer 4000 through the second plunger cavity, thereby the second anchoring agent is suitable for being injected into the wall of the roadway through the hollow anchor rod connected with the mixer 4000.
It will be appreciated that the hollow bolt is connected to the mixer 4000 by a bolt connecting tube 5300.
As shown in fig. 4 to 6, the anchoring agent pumping device 1000 includes an integrated cylinder 100, a first plunger 130, a second plunger 140, a link 200, and a first piston rod 120.
As shown in fig. 4, the integrated cylinder block 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 communicates with the bottom of the first plunger chamber 101, each of the second inlet pipe 105 and the second outlet pipe 106 communicates with the bottom of the second plunger chamber 102, and the first plunger chamber 101 and the second plunger chamber 102 are 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 left-right symmetric with respect to the center line of the piston chamber 110.
At least a portion of the first plunger 130 protrudes into the first plunger chamber 101, and the first plunger is movable in an up-and-down direction with respect to the integrated cylinder 100 so that the anchoring agent enters the bottom of the first plunger chamber 101 from the first inlet pipe 103 and is discharged from the first outlet pipe 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-and-down direction with respect to the integrated cylinder 100 so that the anchoring agent enters the bottom of the second plunger chamber 102 from the second inlet pipe 105 and is discharged from the second outlet pipe 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 one anchoring agent to enter the bottom of the first plunger chamber 101 from the first inlet tube 103 and exit the first outlet tube 104, and the other anchoring agent to enter the bottom of the second plunger chamber 102 from the second inlet tube 105 and exit 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 grout pipe 3200 so that the second anchoring agent is injected into the mixer 4000. A third check valve 3310 is provided on the first mortar inlet pipe 3300 so that the first anchoring agent enters into the first plunger chamber. A fourth check valve 3410 is provided on the second slurry inlet pipe 3400 so that the second anchoring agent enters the second plunger chamber.
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 with the linkage 200, at least a part of the first piston rod 120 is located in the piston cavity 110, and the first piston rod 120 can move up and down relative to the integrated cylinder 100 under the driving of hydraulic oil entering and exiting the piston cavity 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 simultaneously, 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 anchoring agent pumping device has the advantages of simple structure, convenience in use and low manufacturing and maintenance costs.
In addition, the anchoring agent anchoring and injecting system can uniformly mix two anchoring agents in a ratio of 1:1 by using the mixer 4000, so that the first anchoring agent and the second anchoring agent are injected into the wall of the roadway strictly 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 completion of anchoring injection by one reciprocating stroke, 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 link 200, the upper end of the first plunger 130 is a second connecting rod 131 connected to the link 200, and the upper end of the second plunger 140 is a third connecting rod 141 connected to the link 200.
As shown in fig. 4, the link 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 link 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 engaged 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 connecting rod 131 extends into the second connecting hole 202 to be connected to the link 200. Specifically, the second connecting rod 131 passes through the second connecting hole 202, the upper end of the second connecting rod 131 is provided with an external thread and is matched with the first nut 210, the lower end of the second connecting rod 131 is provided with a first limiting portion, the first nut 210 is located above the linkage member 200 and abuts against the upper surface of the linkage member 200, and the first limiting portion is located below the linkage member 200 and abuts 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 connecting rod 141 extends into the third connecting hole 203 to be connected to the link 200. Specifically, the third connecting rod 141 passes through the third connecting hole 203, 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 abuts against the upper surface of the linkage member 200, and the second limiting portion is located below the linkage member 200 and abuts 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 invention, the length of the first connecting rod 122 of the anchoring agent pumping device 1000 extending into the first connecting hole 201 can be adjusted, that is, the height of the linkage 200 relative to the first piston rod 120 can be adjusted, and the relative heights of the linkage 200 and the first plunger 130 and the second plunger 140 are not changed. So that the stroke of the first plunger 130 and the second plunger 140 can be adjusted within one reciprocating stroke of the first piston rod 120, thereby adjusting the volume of the anchor pumped by the anchor pumping device 1000 of the embodiment of the present invention within one reciprocating stroke of the first piston rod 120.
For example, as shown in fig. 4, the first piston rod 120 is kept still, and the length of the first connecting rod 122 extending into the first connecting hole 201 is reduced, that is, the height of the link 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 bottom of the first plunger cavity 101 and the second plunger cavity 102, and 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 is operated, the first plunger 130 and the second plunger 140 move up and down, the reserved space is always present, the stroke of the first plunger and the stroke of the second plunger become small, and thus, the volume of the anchoring agent pumped by the anchoring agent pumping device 1000 according to the embodiment of the present invention becomes small in one reciprocating stroke of the first piston rod 120.
As shown in fig. 4, the anchoring agent pumping device 1000 further comprises a first guiding gland 150, a second guiding gland 160, a third guiding gland 170 and a cover plate 180.
The first guide seal 150 is located in the piston chamber 110 and is disposed 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 seal 150.
The second guide gland 160 is located in the first plunger chamber 101 and is disposed at an upper portion of the first plunger chamber 101 so as to block the upper portion of the first plunger chamber 101, and the first plunger passes through the second guide gland 160.
A third guide gland 170 is located within the second plunger chamber 102 and is provided in the upper part of the second plunger chamber 102 so as to close off the upper part 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 body 100, and the cover plate 180 is fixedly connected with the integrated cylinder body 100 by screws so as to limit the first guide sealing sleeve 150, the second guide sealing sleeve 160 and the third limit sealing sleeve.
According to the anchoring agent anchoring system of the embodiment of the invention, the first guiding sealing sleeve 150 of the anchoring agent pumping device 1000 can avoid leakage of hydraulic oil, the second guiding sealing sleeve 160 can avoid leakage of the anchoring agent in the first plunger cavity 101, the third guiding sleeve can avoid leakage of the anchoring agent in the second plunger cavity 102, and the cover plate 180 can limit the first guiding sealing sleeve 150, the second guiding sealing sleeve 160 and the third limiting sealing sleeve.
In some embodiments, as shown in fig. 5 and 6, the anchoring agent pumping device 1000 of an embodiment of the present invention further comprises 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 connecting block 300 is fixed to one side of the integrated cylinder 100, and the oil inlet and outlet connecting 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/outlet pipe 310 is communicated with the rod chamber 111 of the piston chamber 110, the other end of the first oil inlet/outlet pipe 310 is communicated with the first oil inlet/outlet port 301, one end of the second oil inlet/outlet pipe 320 is communicated with the rodless chamber 112 of the piston chamber 110, and the other end of the second oil inlet/outlet pipe 320 is communicated with the second oil inlet/outlet port 302, so that hydraulic oil enters and exits the piston chamber 110.
The anchoring agent pumping device 1000 uses a hydraulic system to drive the first plunger 130 and the second plunger 140 to work instead of a pneumatic system, and has a simple structure and convenient control.
In some embodiments, as shown in fig. 1, the first direction valve 2100 has an oil inlet 2110, a first working oil port 2120, a second working oil port 2130, and an oil return port 2140. The oil inlet 2110 is communicated with an oil source P, the oil return port 2140 is communicated with an oil tank T, the first working oil port 2120 is communicated with the first oil inlet/outlet port 301, and the second working oil port 2130 is communicated with the second oil inlet/outlet 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 control valve 2200 is disposed on an oil path between the oil inlet 2110 and the oil source P, a first overflow valve 2300 is disposed on an oil path between the first working port 2120 and the first oil inlet/outlet 301, and a second overflow valve 2400 is disposed on an oil path between the second working port 2130 and the second oil inlet/outlet 302.
The speed control valve 2200 can limit the flow of the hydraulic oil entering the oil inlet 2110 to be constant, which is beneficial to the working stability of the first direction valve 2100 and the anchoring agent pumping device 1000.
The first overflow valve 2300 and the second overflow valve 2400 can avoid the excessive pressure in the piston cavity of the anchoring agent pumping device 1000, can protect the anchoring agent pumping device 1000, and improve safety and stability.
In some embodiments, as shown in fig. 1-3, the anchoring agent anchoring system of embodiments of the present invention further comprises a drilling rig 5000, a support cylinder 6000, a drilling cylinder 7000, a second directional valve, a third directional valve, and a fourth directional valve.
The drill box 5000 is provided with a hydraulic motor 5100 for driving the hollow bolt in rotation. The supporting cylinder 6000 is used for supporting the wall of the roadway and guiding the hollow anchor rod. The drilling cylinder 7000 is used to drive the drill box 5000 to move in a direction adjacent to 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 directional control valve is used for controlling the extension or retraction of the second piston rod of the drilling cylinder 7000. The third direction valve is used for controlling the extension or retraction of the third piston rod of the support cylinder 6000. The fourth direction valve is used to control the hydraulic motor 5100 to rotate forward or backward.
In some embodiments, the anchoring agent anchoring system of embodiments of the present invention further comprises a first balancing valve 6100 and a second balancing valve 7100. The first balance valve 6100 is connected to the oil passage between the support cylinder 6000 and the third direction change 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 extension or retraction state of the second piston rod of the drilling cylinder 7000.
Therefore, during the 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 in opposite directions when the oil pressure is unstable, and the extending state of the third piston rod of the support cylinder 6000 and the second piston rod of the drilling cylinder 7000 can be maintained during the anchoring.
In some embodiments, the anchoring agent anchoring system of embodiments of the present invention further includes a water injection tube 5200. Be equipped with the electromagnetism 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 and the cavity stock of water injection pipe 5200 pass through anchor rod connecting pipe 5300 and link to each other. Therefore, the water injection pipe 5200 can cool down and arrange slag for the hollow anchor rod when the hollow anchor rod is drilled, improving safety and reliability.
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 port 8200, a second oil inlet port 8300, a third oil inlet port 8400, a fourth oil inlet port 8500, a first head port 8100, and a first tail port 8600. The first inlet manifold 8200 forms a second directional valve, the second inlet manifold 8300 forms a third directional valve, the third inlet manifold 8400 forms a fourth directional valve, and the fourth inlet manifold 8500 forms the first directional valve 2100. The first header portion 8100 and the first tail portion 8600 are used for providing oil inlet and outlet channels for the first oil inlet portion 8200, the second oil inlet portion 8300, the third oil inlet portion 8400 and the fourth oil inlet portion 8500.
In some embodiments, as shown in fig. 3, the anchoring agent anchoring system of embodiments of the present invention further comprises 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 proportional valve 9000 comprises a fifth oil inlet joint 9200, a sixth oil inlet joint 9300, a seventh oil inlet joint 9400, a second head joint 9100 and a second tail joint 9500. The fifth inlet manifold 9200 forms a second reversing valve, the sixth inlet manifold 9300 forms a third reversing valve, and the seventh inlet manifold 9400 forms a fourth reversing valve. The second head joint 9100 and the second tail joint 9500 are used for providing oil inlet and outlet passages for the fifth oil inlet joint 9200, the sixth oil inlet joint 9300 and the seventh oil inlet joint 9400.
As shown in fig. 3, the first direction valve 2100 controlling the up and down movement of the first piston rod 120 is a three-position four-way solenoid valve separately provided.
A first pressure sensor 6200 is provided on one oil path between the support cylinder 6000 and the first balance valve 6100, and a second pressure sensor 6300 is provided on the other oil path between the support cylinder 6000 and the first balance valve 6100 to provide a pressure signal to a second proportional valve 9000 to control the third direction valve.
A third pressure sensor 7200 is provided in one oil path between the drilling cylinder 7000 and the second counter-balance valve 7100 and a fourth pressure sensor 7300 is provided in the other oil path between the drilling cylinder 7000 and the second counter-balance valve 7100 to provide a pressure signal to the second proportional valve 9000 to control the second directional valve.
A fifth pressure sensor 5400 is provided in an oil path between the hydraulic motor 5100 and the fourth direction switching valve to provide a pressure signal to the second proportional valve 9000 to control the fourth direction switching valve.
It can be understood that the manual proportional multi-way valve and the electro-hydraulic proportional multi-way valve are connected with an oil source and an oil return tank. In addition, the specific structure of the manual proportional multi-way valve and the electro-hydraulic proportional multi-way valve is well known to those skilled in the art and will not be described in detail.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An anchoring agent anchoring system, comprising:
an anchoring agent pumping device, the anchoring agent pumping device comprising:
an integrated cylinder block 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 communicating with a bottom of the first plunger chamber, each of the second inlet pipe and the second outlet pipe communicating 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 a portion of the first plunger extending into the first plunger cavity, and the first plunger being movable in an up-and-down direction relative to the integrated cylinder so that an anchoring agent enters a bottom of the first plunger cavity from the first inlet tube and exits from the first outlet tube,
a second plunger at least partially protruding into the second plunger chamber and movable in an up-down direction relative to the integrated cylinder so that an anchoring agent enters a bottom of the second plunger chamber from the second inlet pipe and exits from the second outlet pipe,
a linkage located above the integrated cylinder, each of the first and second plungers being connected to the linkage, an
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 drive 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;
a first slurry inlet pipe and a first slurry injecting pipe, wherein one end of the first slurry inlet pipe is connected with the first storage tank, the other end of the first slurry inlet pipe is connected with the first inlet pipe, one end of the first slurry injecting pipe is connected with the first outlet pipe, and the other end of the first slurry injecting pipe is connected with the mixer, so that the first anchoring agent in the first storage tank is injected into the mixer through the first plunger cavity, and the first anchoring agent is suitable for being injected into the wall of the roadway through a hollow anchor rod connected with the mixer; and
the second grout inlet pipe and the second grout injection pipe, one end of the second grout inlet pipe is connected with the second storage box, the other end of the second grout inlet pipe is connected with the second inlet pipe, one end of the second grout injection pipe is connected with the second outlet pipe, and the other end of the second grout injection pipe is connected with the flow mixer, so that the second anchoring agent in the second storage box is injected into the flow mixer through the second plunger cavity, and the second anchoring agent is suitable for being injected into the wall of the roadway through a hollow anchor rod connected with the flow mixer.
2. The anchoring agent anchoring system according to claim 1, further comprising:
the first one-way valve is arranged on the first grouting pipe so that the first anchoring agent can be injected into the mixer;
the second one-way valve is arranged on the second grouting pipe so that the second anchoring agent can be injected into the mixer;
the third one-way valve is arranged on the first grout inlet pipe so that the first anchoring agent can enter the first plunger cavity; and
and the fourth one-way valve is arranged on the second grout inlet pipe so that the second anchoring agent can enter the second plunger cavity.
3. The anchoring agent 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 the 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; 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.
4. The anchoring agent anchoring system according to claim 3, wherein the first directional control 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/outlet port, and the second working oil port is in communication with the second oil inlet/outlet port.
5. The anchoring agent anchoring system according to claim 4, further comprising:
the drilling box is provided with a hydraulic motor for driving the hollow anchor rod to rotate;
the supporting 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 towards the 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 out or retract;
the third reversing valve is used for controlling a third piston rod of the supporting oil cylinder to extend out or retract; and
and the fourth reversing valve is used for controlling the hydraulic motor to rotate forwards or backwards.
6. The anchoring agent anchoring system according to claim 5, further comprising:
a first balance valve connected to an oil path between the support cylinder and the third direction changing valve so as to maintain an extended or retracted state of a third piston rod of the support 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 the second piston rod of the drilling oil cylinder.
7. The anchoring agent anchor injection system of claim 6, further comprising a water injection pipe, wherein the water injection pipe is provided with an electromagnetic water ball valve, 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 that the hollow anchor rod is cooled and slag is discharged when the hollow anchor rod is drilled.
8. The anchoring agent mooring 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:
a first oil inlet joint, wherein the first oil inlet joint forms the second reversing valve;
a second oil inlet joint, wherein the second oil inlet joint forms the third reversing valve;
a third oil inlet pair, the third oil inlet pair forming the fourth directional control valve;
a fourth oil inlet pair, the fourth oil inlet pair forming the first reversing valve;
the first head joint and the first tail joint are used for providing an oil inlet and outlet channel for the first oil inlet joint, the second oil inlet joint, the third oil inlet joint and the fourth oil inlet joint.
9. The anchoring agent anchoring system according to claim 7, further comprising:
the second proportional valve, the second proportional valve is the electro-hydraulic proportional multi-way valve, the second proportional valve includes:
a fifth oil inlet joint which forms the second reversing valve,
a sixth oil inlet joint which forms the third reversing valve,
a seventh oil inlet joint, wherein the seventh oil inlet joint forms the fourth reversing valve,
the second head joint and the second tail joint are used for providing oil inlet and outlet channels for the fifth oil inlet joint, the sixth oil inlet joint and the seventh oil inlet joint;
a first pressure sensor and a second pressure sensor, the first pressure sensor being disposed in one oil path between the support cylinder and the first counter-valve, the second pressure sensor being disposed in the other oil path between the support cylinder and the first counter-valve to provide a pressure signal to the second proportional valve to control the third directional valve;
a third pressure sensor disposed in one of the oil paths between the drilling cylinder and the second balancing valve, and a fourth pressure sensor disposed in the other of the oil paths between the drilling cylinder and the second balancing valve to provide a pressure signal to the second proportional valve to control the second directional valve; and
a fifth pressure sensor disposed in an oil path between the hydraulic motor and the fourth directional valve to provide a pressure signal to the second proportional valve to control the fourth directional valve.
10. The anchoring agent anchor injection 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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| 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 |
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| 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 |
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| CN113175340B (en) | 2023-06-20 |
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