CN113833507A - Anchoring agent filling device and underground coal mine anchoring equipment - Google Patents
Anchoring agent filling device and underground coal mine anchoring equipment Download PDFInfo
- Publication number
- CN113833507A CN113833507A CN202111259881.5A CN202111259881A CN113833507A CN 113833507 A CN113833507 A CN 113833507A CN 202111259881 A CN202111259881 A CN 202111259881A CN 113833507 A CN113833507 A CN 113833507A
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- China
- Prior art keywords
- baffle
- guide
- anchoring agent
- conduit
- guide pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 64
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 49
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 43
- 239000000575 pesticide Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- E21D20/025—Grouting with organic components, e.g. resin
-
- 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
Landscapes
- 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)
- Catching Or Destruction (AREA)
Abstract
The invention discloses an anchoring agent filling device and underground coal mine anchoring equipment, and belongs to the technical field of underground coal mine roof maintenance. The anchoring agent loading device includes: the guiding guide pipe, the pesticide spraying guide pipe which is connected in the guiding guide pipe in a sliding way and the driving oil cylinder which drives the pesticide spraying guide pipe to slide are arranged on the guiding guide pipe; the first end of the pesticide spraying guide pipe is connected with a pesticide spraying device, and the second end of the pesticide spraying guide pipe can penetrate out of the guide pipe and extend into the drill hole under the driving of the driving oil cylinder; the end part of the guide conduit close to the second end of the pesticide spraying conduit is provided with a rotating baffle plate, and the rotating baffle plate is switched between a first position for closing the guide conduit and a second position for opening the guide conduit. The invention solves the problems that the existing anchoring equipment has poor anchoring agent filling effect and the coal slime mixture in the drill hole easily enters the anchoring agent filling device.
Description
Technical Field
The invention belongs to the technical field of underground coal mine maintenance, and particularly discloses an anchoring agent filling device and underground coal mine anchoring equipment.
Background
The mine roof maintenance is an important technical procedure in roadway excavation, has great significance in the technical field of safe mining and excavation, and the anchor bolt support is a main support form for the coal mine roof maintenance in China.
At present, the tunnel is strutted and is mainly adopted the manual work to carry out the packing of resin anchoring agent, leads to work efficiency low, and working strength is big. In order to improve the production efficiency, more and more mining enterprises adopt automatic anchoring equipment to carry out anchor rod support. The anchoring agent filling device in the automatic anchoring equipment utilizes high-pressure gas or other driving mechanisms to spray the anchoring agent into a device for drilling, so that workers are far away from dangerous and severe environments, and the working efficiency is improved. The existing anchoring equipment has the problems of poor filling effect of the anchoring agent and easy pollution of the injection conduit.
Disclosure of Invention
The invention aims to solve the technical problems that the existing anchoring equipment has poor anchoring agent filling effect and coal slime mixture in a drilled hole easily enters an anchoring agent filling device.
In order to solve the technical problems, the invention provides the following technical scheme:
an anchoring agent loading device, comprising: the guiding guide pipe, the pesticide spraying guide pipe which is connected in the guiding guide pipe in a sliding way and the driving oil cylinder which drives the pesticide spraying guide pipe to slide are arranged on the guiding guide pipe; the first end of the pesticide spraying guide pipe is connected with a pesticide spraying device, and the second end of the pesticide spraying guide pipe can penetrate out of the guide pipe and extend into the drill hole under the driving of the driving oil cylinder; the end part of the guide conduit close to the second end of the pesticide spraying conduit is provided with a rotating baffle plate, and the rotating baffle plate is switched between a first position for closing the guide conduit and a second position for opening the guide conduit.
In some embodiments of the present invention, an elastic restoring element is disposed between the rotating barrier and the guide conduit, and the elastic restoring element is configured to apply an acting force to the rotating barrier to make the rotating barrier in the first position.
In some embodiments of the present invention, the rotating baffle includes a first baffle and a second baffle, the first baffle is hinged to the guide conduit through a first pin, and the second baffle is hinged to the guide conduit through a second pin; when the rotating baffle is located at the first position, the first baffle is flush with the plate surface of the second baffle and closes the pipe orifice of the guide conduit; when the rotating baffle is located at the second position, an included angle is formed between the first baffle and the second baffle and between the first baffle and the pipe orifice of the guide conduit.
In some embodiments of the present invention, a first mounting plate and a second mounting plate are respectively welded to the pipe walls on two opposite sides of the guide duct, the first baffle plate is hinged to the first mounting plate through a first pin, and the second baffle plate is hinged to the second mounting plate through a second pin.
In some embodiments of the present invention, the driving cylinder is installed on the guiding conduit, and the spraying conduit is fixedly connected to a piston rod of the driving cylinder.
In some embodiments of the present invention, the guiding tube is fixedly connected to a telescopic sleeve, and a telescopic direction of the telescopic sleeve intersects with a sliding direction of the spraying tube.
In some embodiments of the present invention, the guide catheter is further provided with a drill rod pushing mechanism, which includes: the rubber wheel seat and the first rubber wheel and the second rubber wheel which are rotatably connected to the rubber wheel seat are arranged in parallel.
In some embodiments of the present invention, the rubber wheel seat includes a bottom plate, and a first support plate and a second support plate that are respectively disposed on two sides of the bottom plate and are parallel to each other, two rotation holes are respectively disposed on the first support plate and the second support plate, and the first rubber wheel and the second rubber wheel are rotatably connected to the rotation holes through a rotation shaft.
In some embodiments of the present invention, an arc-shaped groove for accommodating a drill rod is formed on a plate surface connecting the first rubber wheel and the second rubber wheel, where the first support plate and the second support plate are located.
The invention also provides underground anchoring equipment for the coal mine, which comprises the anchoring agent filling device.
Compared with the prior art, the technical scheme of the invention has the following technical effects:
the anchoring agent filling device provided by the invention utilizes the high-pressure gas or the mechanical driving mechanism to spray the anchoring agent into the drilled hole, so that workers are far away from dangerous and severe environments, and the working efficiency is improved. When the drill rod drills and after drilling is finished, the rotating baffle is located at the first position for closing the guide pipe, and coal slime water in the drill hole is prevented from entering the guide pipe. When the anchoring agent needs to be sprayed, the spraying guide pipe is moved to the orifice of the drill hole through the driving oil cylinder, then the anchoring agent is sprayed through the spraying device, the anchoring agent directly enters the drill hole along the spraying guide pipe, the anchoring agent is prevented from sliding off, and the filling effect of the anchoring agent is good.
Drawings
The objects and advantages of the present invention will be understood by the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of one embodiment of the anchor filling apparatus of the present invention;
FIG. 2 is a partially enlarged view of one embodiment of a rotating baffle in the anchoring agent loading device of the present invention;
FIG. 3 is a schematic view showing a connection structure of a spraying conduit and a driving cylinder in the anchoring agent charging device according to the present invention;
fig. 4 is a schematic view showing a connection structure of a drill rod pushing mechanism and a drill rod in the anchoring agent filling device according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 shows an embodiment of the present invention for an anchoring agent filling device (hereinafter referred to as an anchoring agent filling device) in an underground coal mine, which includes: the device comprises a guide conduit 6, a pesticide spraying conduit 5 connected in the guide conduit 6 in a sliding manner, and a driving oil cylinder 4 for driving the pesticide spraying conduit 5 to slide; the first end of the pesticide spraying conduit 5 is connected with a pesticide spraying device (not shown in the figure), and the second end of the pesticide spraying conduit 5 can penetrate through the guide conduit 6 and extend into a drill hole under the driving of the driving oil cylinder 4; the end of the guiding duct 6 close to the second end of the spraying duct 5 is provided with a turning flap 10, which turning flap 10 is switchable between a first position closing the guiding duct 6 and a second position opening the guiding duct 6. Specifically, after the drill rod drills a hole and the hole is drilled, the rotary baffle 10 is located at a first position for closing the guide conduit 6, and coal slime water in the drilled hole is prevented from entering the guide conduit 6; when the anchoring agent needs to be sprayed, the spraying guide pipe 5 is moved to the orifice of the drill hole through the driving oil cylinder 4, then the anchoring agent is sprayed through the spraying device, the anchoring agent directly enters the drill hole along the spraying guide pipe 5, and the anchoring agent is prevented from sliding off.
Specifically, an elastic resetting piece is arranged between the rotating baffle 10 and the guide conduit 6, and the elastic resetting piece is used for applying acting force to the rotating baffle so that the rotating baffle 10 is in the first position. After initial position or anchoring agent filled, drive cylinder 4 drove and spouts medicine pipe 5 and remove to the guide pipe 6 inboard, and at this moment, rotating baffle 10 then rotates to the position department that shelters from guide pipe 6 automatically under the effect of elasticity piece that resets, avoids the coal slime water in the drilling to flow into and pollute in the guide pipe 6 spout medicine pipe 5.
The structure of the rotating baffle 10 is not unique; in one embodiment, the rotary baffle 10 is formed as a circular or square plate matching the size of the orifice of the guide duct 6 and is hinged to the guide duct 6. this structure of the rotary baffle 10 requires a large impact force to open the spray duct 5 when it is impacted, which would otherwise affect the loading of the anchoring agent.
In another specific embodiment, the rotating baffle 10 includes a first baffle 10a and a second baffle 10b, the first baffle 10a is hinged to the guide duct 6 through a first pin 11, and the second baffle 10b is hinged to the guide duct 6 through a second pin 12; when the rotating baffle plate 10 is located at the first position, the first baffle plate 10a is flush with and abutted to the plate surface of the second baffle plate 10b, and is used for closing the pipe orifice of the guide conduit 6; when the rotating baffle plate 10 is located at the second position, an included angle is formed between the first baffle plate 10a and the second baffle plate 10b and the pipe orifice of the guide pipe 6. Through set up two baffles at the mouth of pipe of guide conduit 6, two baffles are opened to both sides when receiving the impact of spouting medicine pipe 5 fast, do not influence the filling of anchoring agent. Meanwhile, the guide conduit 6 can be opened without large impact force of the baffle, so that the problem that the baffle is not easy to reset when being overturned to the other side of the pin shaft due to the overlarge impact force is avoided.
Specifically, in order to enable the first baffle 10a and the second baffle 10b to be reset quickly after being opened, in a specific embodiment, the elastic resetting members are torsion springs respectively sleeved on the first pin 11 and the second pin 12, and the resetting force of the torsion springs enables the first baffle 10a and the second baffle 10b to block the pipe orifice of the guide conduit 6. In another specific embodiment, an elastic sleeve 17 is sleeved between the first pin 11 and the second pin 12, and under the action of the elastic sleeve 17, the first baffle 10a and the second baffle 10b block the pipe orifice of the guide catheter 6.
Specifically, a first mounting plate 13 and a second mounting plate 14 are respectively welded to the pipe walls of two opposite sides of the guide pipe 6, wherein the plate surfaces of the first mounting plate 13 and the second mounting plate 14 are parallel to each other, the first baffle plate 10a is hinged to the upper surface of the first mounting plate 13 through a first pin shaft 11, and the second baffle plate 10b is hinged to the upper surface of the second mounting plate 14 through a second pin shaft 12.
Specifically, the driving cylinder 4 is installed on the guide conduit 6, and the spraying conduit 5 is fixedly connected to a piston rod 4a of the driving cylinder 4. More specifically, a pipe clamp 15 is sleeved on the pesticide spraying conduit 5, a U-shaped connecting seat 16 is arranged at the end of the piston rod 4a, and the pipe clamp 15 is connected with the U-shaped connecting seat 16 through a fastening member such as a pin or a bolt.
In one embodiment, in order to achieve automatic loading of the anchoring agent, the guiding tube 6 is fixedly connected to a telescopic sleeve, the telescopic direction of which intersects with the sliding direction of the pesticide spraying tube 5. More specifically, the telescopic direction of the telescopic sleeve is perpendicular to the sliding direction of the spraying pipe 5, so that after drilling is completed, the guide pipe 6 is moved to the drilling position through the telescopic sleeve, for example, when the top drilling of a goaf is filled with an anchoring agent, the guide pipe 6 is moved to the lower side area of the drilling hole through the horizontal telescopic of the telescopic sleeve, and then the automatic filling of the anchoring agent is realized by controlling the driving oil cylinder 4 and the spraying device.
Specifically, the telescopic sleeve is driven by an oil cylinder and comprises a first-stage telescopic sleeve 1, a second-stage telescopic sleeve 2 and a third-stage telescopic sleeve 3, wherein the first-stage telescopic sleeve, the second-stage telescopic sleeve and the third-stage telescopic sleeve are arranged inside and outside, and the guide conduit 6 is arranged on the third-stage telescopic sleeve 3.
In order to further improve the automation degree of the filling device, a drill rod pushing mechanism for pushing the drill rod a after drilling is further arranged on the guide conduit 6, the drill rod pushing mechanism comprises a rubber wheel seat 8, a first rubber wheel 9a and a second rubber wheel 9b which are rotatably connected to the rubber wheel seat 8, the first rubber wheel 9a and the second rubber wheel 9b are arranged in parallel, the drill rod a is located between the first rubber wheel 9a and the second rubber wheel 9b, and the drill rod a is reliably pushed away by the cooperation of the first rubber wheel 9a and the second rubber wheel 9b which are rotatably connected to the rubber wheel seat 8 and the drill rod a.
Specifically, the rubber wheel seat 8 includes a bottom plate, and a first support plate and a second support plate that are respectively disposed on two sides of the bottom plate and are parallel to each other, and the first rubber wheel 9a and the second rubber wheel 9b are disposed between the first support plate and the second support plate. The axial directions of the first rubber wheel 9a and the second rubber wheel 9b are consistent with the axial direction of the drill rod A. More specifically, the first support plate and the second support plate are respectively provided with two rotating holes, and the first rubber wheel 9a and the second rubber wheel 9b are rotatably connected to the rotating holes through rotating shafts.
More specifically, the first support plate and the second support plate are provided with arc-shaped grooves for accommodating the drill rod a on the plate surface connecting the first rubber wheel 9a and the second rubber wheel 9b, that is, the end parts of the first support plate and the second support plate far away from the bottom plate are formed into wave shapes, wherein the first rubber wheel 9a and the second rubber wheel 9b are arranged in the peak area, the drill rod a is accommodated in the valley area, and the arc-shaped grooves limit the position of the drill rod a, so that the drill rod a can reliably move to the far side of the drilled hole.
The invention also provides a coal mine underground anchoring device which comprises the anchoring agent filling device, when the anchoring device is used for anchoring operation, firstly, the drilling operation is carried out through the drill rod A, after the drilling operation is finished, the drill rod A is controlled to retreat out of the drilled hole, at the moment, a drill rod pushing mechanism arranged on the guide conduit 6 acts on the drill rod A through controlling a telescopic sleeve of the anchoring agent filling device, the drill rod A is moved to a position isolated from the axis of the drilled hole, then the driving oil cylinder 4 is controlled to move the pesticide spraying conduit 5 to the hole opening of the drilled hole, then the pesticide spraying device is controlled to fill the anchoring agent into the drilled hole, after the filling operation is finished, the pesticide spraying conduit 5 is controlled to retreat into the guide conduit 6, the guide conduit 6 is moved to the position isolated from the axis of the drilled hole through controlling the telescopic sleeve, the installation of the anchor rod is carried out, and the anchoring operation is finished.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. An anchoring agent loading device, characterized in that it comprises:
the guiding guide pipe, the pesticide spraying guide pipe which is connected in the guiding guide pipe in a sliding way and the driving oil cylinder which drives the pesticide spraying guide pipe to slide are arranged on the guiding guide pipe; the first end of the pesticide spraying guide pipe is connected with a pesticide spraying device, and the second end of the pesticide spraying guide pipe can penetrate out of the guide pipe and extend into the drill hole under the driving of the driving oil cylinder;
the end part of the guide conduit close to the second end of the pesticide spraying conduit is provided with a rotating baffle plate, and the rotating baffle plate is switched between a first position for closing the guide conduit and a second position for opening the guide conduit.
2. The anchoring agent loading device of claim 1, wherein a resilient return member is disposed between the rotatable flapper and the guide conduit, the resilient return member being configured to apply a force to the rotatable flapper to place the rotatable flapper in the first position.
3. The anchoring agent filling device according to claim 1 or 2, wherein the rotating baffle comprises a first baffle and a second baffle, the first baffle is hinged to the guide duct by a first pin, and the second baffle is hinged to the guide duct by a second pin; when the rotating baffle is located at the first position, the first baffle is flush with the plate surface of the second baffle and closes the pipe orifice of the guide conduit; when the rotating baffle is located at the second position, an included angle is formed between the first baffle and the second baffle and between the first baffle and the pipe orifice of the guide conduit.
4. The anchoring agent filling device according to claim 3, wherein the guide duct has a first mounting plate and a second mounting plate welded to the opposite walls of the guide duct, respectively, the first blocking plate being hinged to the first mounting plate by a first hinge pin, and the second blocking plate being hinged to the second mounting plate by a second hinge pin.
5. The anchoring agent charging device as defined in claim 1 or 2, wherein said driving cylinder is mounted on said guiding conduit, and said spraying conduit is fixedly connected to a piston rod of said driving cylinder.
6. The anchoring agent charging device as defined in claim 1 or 2, wherein said guiding tube is fixedly connected to a telescopic sleeve, the telescopic direction of said telescopic sleeve intersecting the sliding direction of said spraying tube.
7. The anchor filling apparatus as claimed in claim 1 or 2, wherein a drill rod pushing mechanism is further provided on the guide duct, and comprises:
the rubber wheel seat and the first rubber wheel and the second rubber wheel which are rotatably connected to the rubber wheel seat are arranged in parallel.
8. The anchoring agent filling device according to claim 7, wherein the rubber wheel seat comprises a bottom plate and a first support plate and a second support plate which are respectively arranged on two sides of the bottom plate and are parallel to each other, two rotation holes are respectively arranged on the first support plate and the second support plate, and the first rubber wheel and the second rubber wheel are rotatably connected to the rotation holes through rotating shafts.
9. The anchoring agent loading device of claim 8, wherein the first and second support plates are provided with an arcuate slot for receiving a drill rod on a face connecting the first and second rubber wheels.
10. An underground coal mine anchoring device, characterized by comprising the anchoring agent filling device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259881.5A CN113833507A (en) | 2021-10-28 | 2021-10-28 | Anchoring agent filling device and underground coal mine anchoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259881.5A CN113833507A (en) | 2021-10-28 | 2021-10-28 | Anchoring agent filling device and underground coal mine anchoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113833507A true CN113833507A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111259881.5A Pending CN113833507A (en) | 2021-10-28 | 2021-10-28 | Anchoring agent filling device and underground coal mine anchoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113833507A (en) |
Cited By (1)
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| CN115288760A (en) * | 2022-07-26 | 2022-11-04 | 莱州亚通重型装备有限公司 | Large-capacity multi-anchoring-agent continuous automatic installation device for coal mine |
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