CN113202523B - Multifunctional integrated anchor rod construction device - Google Patents

Multifunctional integrated anchor rod construction device Download PDF

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Publication number
CN113202523B
CN113202523B CN202110484150.4A CN202110484150A CN113202523B CN 113202523 B CN113202523 B CN 113202523B CN 202110484150 A CN202110484150 A CN 202110484150A CN 113202523 B CN113202523 B CN 113202523B
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China
Prior art keywords
rotating shaft
section
anchor rod
hole
multifunctional integrated
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CN202110484150.4A
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CN113202523A (en
Inventor
罗超
王子越
姜鹏飞
陈志良
刘畅
曹晓明
郭吉昌
韦尧中
杨建威
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Tiandi Science and Technology Co Ltd
CCTEG Coal Mining Research Institute
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Tiandi Science and Technology Co Ltd
CCTEG Coal Mining Research Institute
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Priority to CN202110484150.4A priority Critical patent/CN113202523B/en
Publication of CN113202523A publication Critical patent/CN113202523A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/003Machines for drilling anchor holes and setting anchor bolts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • E21D20/021Grouting with inorganic components, e.g. cement
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • E21D20/025Grouting with organic components, e.g. resin
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • E21D20/028Devices or accesories for injecting a grouting liquid in a bore-hole

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  • 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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a multifunctional integrated anchor rod construction device which comprises a base, a first rotating shaft, a second rotating shaft and a driving device, wherein the first rotating shaft is sleeved on the base, the first rotating shaft is provided with a through hole extending along the length direction of the first rotating shaft, the second rotating shaft is matched in the through hole, the second rotating shaft is provided with a plurality of fluid passages respectively communicated with the through hole, and the driving device is connected with the first rotating shaft through a transmission assembly. The multifunctional integrated anchor rod construction device provided by the embodiment of the invention has the advantages of simplicity in operation, high working efficiency, high automation degree and wide application range.

Description

Multifunctional integrated anchor rod construction device
Technical Field
The invention belongs to the technical field of coal mine roadway supporting equipment, and particularly relates to a multifunctional integrated anchor rod construction device.
Background
The anchor bolt support can effectively control the deformation of surrounding rocks, and is widely applied to the fields of domestic and foreign coal mines, metal mines and the like.
Taking a coal mine roadway support as an example, in the related technology, an anchor rod is used for punching a coal rock wall, a resin anchoring agent is manually plugged into the punched hole, the anchor rod is placed into the hole for stirring, and the anchor rod is pre-tightened after the anchoring agent is solidified. However, the following problems exist in the bolting construction process:
1. the difficulty of manually plugging the anchoring agent into the drill hole is high, and especially when the coal rock mass is broken or the wall of the drill hole is uneven, the anchoring agent can be installed only by consuming a certain time, so that the supporting efficiency is reduced.
2. Drilling, mounting the anchoring agent and pre-tightening are completed by using different tools, and the drill rod disassembly and the switching of the different tools can be completed only by consuming longer time.
Therefore, the integrated operation device is designed to comprehensively realize drilling, anchoring and anchor rod pre-tightening, avoid manual installation of anchoring agents and switching tools, improve the supporting efficiency, reduce the labor intensity of workers and realize efficient and rapid roadway supporting.
Disclosure of Invention
The present invention is based on the discovery and recognition by the inventors of the following facts and problems: the existing anchor rod construction process is long in time consumption, low in efficiency, high in labor intensity of workers and high in automation realization difficulty, and cannot meet the requirement of rapid support of a coal mine roadway.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides a multifunctional integrated anchor rod construction device.
According to the embodiment of the invention, the multifunctional integrated anchor rod construction device comprises:
a base;
the first rotating shaft is sleeved on the base and provided with a through hole extending along the length direction of the first rotating shaft;
the second rotating shaft is matched in the through hole, and a plurality of fluid passages which are respectively communicated with the through hole are arranged on the second rotating shaft;
and the driving device is connected with the first rotating shaft through a transmission assembly.
The multifunctional integrated anchor rod construction device provided by the embodiment of the invention has the advantages of simplicity in operation, high working efficiency, high automation degree and wide application range.
In some embodiments, a first sealing groove is further disposed in the through hole, a first sealing element is disposed in the first sealing groove, and the first sealing element is sleeved on the second rotating shaft.
In some embodiments, the multifunctional integrated anchor rod construction device further comprises a housing, the housing is slidably connected to the base, the first rotating shaft and the second rotating shaft are partially located inside the housing, the housing is provided with a plurality of fluid medium inlets, and the plurality of fluid passages are in one-to-one correspondence with the plurality of fluid medium inlets.
In some embodiments, the multifunctional integrated anchor rod construction device further comprises a guide rail, the guide rail is connected with the base, and the shell is slidably arranged on the guide rail.
In some embodiments, the first rotating shaft, the second rotating shaft and the housing are coaxially arranged.
In some embodiments, a plurality of second seal grooves are formed in the housing, the plurality of fluid passages are located between the plurality of second seal grooves and are spaced apart from the plurality of seal grooves, and second seals are respectively disposed in the plurality of seal grooves.
In some embodiments, the multifunctional integrated anchor rod construction device further comprises a first stop member and a second stop member, the first stop member is arranged on the shell and adjacent to the through hole, the second stop member is sleeved at the second end of the second rotating shaft, and the first stop member and the second stop member are respectively used for limiting the displacement of the second rotating shaft in the length direction of the first rotating shaft.
In some embodiments, the through-hole includes a first section and a second section, the first section having an inner diameter smaller than an inner diameter of the second section, and the second shaft is fitted in the first section and the second section.
In some embodiments, the second section is internally provided with internal threads, and the second rotating shaft positioned in the second section is connected with the second section through threads;
the nominal size of the internal thread in the second section is D, the inner diameter of the second section is D, and the nominal size D of the internal thread in the second section and the inner diameter D of the second section meet the condition that D is larger than D.
In some embodiments, the first section has a first end and a second end opposite to each other in the length direction of the first rotating shaft, the first end of the first section is provided with a polygonal interface matched with an anchor rod, and the second end of the first section is connected with the first end of the second section.
Drawings
Fig. 1 is a schematic structural view of a multifunctional integrated anchor rod constructing apparatus according to an embodiment of the present invention.
Fig. 2 is another angle structure view of the multifunctional integrated anchor rod construction device according to the embodiment of the present invention.
Fig. 3 is a sectional view of a multifunctional integrated anchor rod constructing device according to an embodiment of the present invention.
Reference numerals:
the multi-functional integrated anchor rod construction device 100,
a base 1, a first rotation shaft 2, a through hole 21, a first section 211, a second section 212,
the second rotary shaft 3, the fluid passage 31, the first seal 4,
the device comprises a driving device 5, a transmission assembly 51, a shell 6, a fluid medium inlet 61, a first stop member 62, a guide rail 7, a second sealing member 8, a second stop member 9 and a check valve 10.
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 3, a multifunctional integrated anchor rod constructing device 100 according to an embodiment of the present invention includes a base 1, a first rotating shaft 2, a second rotating shaft 3, and a driving device 5.
The first shaft 2 is sleeved on the base 1, and the first shaft 2 is provided with a through hole 21 extending along the length direction of the first shaft 2.
The second rotary shaft 3 is fitted in the through hole 21, and the second rotary shaft 3 is provided with a plurality of fluid passages 31 respectively communicating with the through hole 21.
The drive means 5 are connected to the first shaft 2 via a transmission assembly.
As shown in fig. 1-3, the base 1 is sleeved on the first rotating shaft 2, and the driving rotating shaft is connected to the first rotating shaft 2 through the transmission assembly 51 to drive the first rotating shaft 2 to rotate. Wherein, in the first rotating shaft 2 as shown in fig. 1, the upper end of the first rotating shaft 2 is adapted to be connected with a bolt assembly (not shown).
The first rotating shaft 2 is provided with a through hole 21 extending in the up-down direction as shown in fig. 3, and the second rotating shaft 3 is fitted in the through hole 21. Wherein, the second rotating shaft 3 and the anchor rod assembly can be driven to rotate by the first rotating shaft 2.
A plurality of fluid passages are provided in the second rotating shaft 3, and first ends (lower ends as shown in fig. 3) of the plurality of fluid passages respectively correspond to the plurality of medium sources one by one. Wherein the media source comprises a water source, an anchoring agent supply bin, and the like, and the anchoring agent comprises one of a resin anchoring agent or a cement anchoring agent.
The plurality of fluid passages are in one-to-one correspondence with the plurality of medium sources, and the media can be provided according to requirements through the plurality of fluid passages, for example, in the anchoring and injecting process, the water source is firstly used for supplying the water source to the anchor rod so as to clean coal cinder in the hole, then the water source supply is closed, and anchoring agent is supplied to the anchor rod so as to anchor the anchor rod and the surrounding rock together.
It can be understood that drilling, anchoring agent adding and pre-tightening are realized through one device, the arrangement of a plurality of fluid channels avoids frequent replacement of tools due to the addition of the anchoring agent, manpower resources are wasted, and the anchoring agent can be placed through the plurality of fluid channels at one time, so that the application range is not influenced by the construction environment, and further the application range is enlarged.
Therefore, the multifunctional integrated anchor rod construction device 100 according to the embodiment of the invention has the advantages of simple operation, high working efficiency, high automation degree, wide application range and the like.
In some embodiments, a first sealing groove is further disposed in the through hole 21, a first sealing element 4 is disposed in the first sealing groove, and the first sealing element 4 is sleeved on the second rotating shaft 3.
As shown in fig. 1 to 3, when the medium flows out through the fluid channel, the medium may flow back into the first rotating shaft 2 to affect the operation of the first rotating shaft 2, thereby shortening the service life of the first rotating shaft 2, and in addition, the viscous anchoring agent may flow into the first rotating shaft 2 and solidify, which directly results in that the whole device cannot continue to work.
Set up first seal groove in through-hole 21, cooperate through establishing first sealing member 4 in first seal groove and second pivot 3, can prevent that the medium from flowing into through-hole 21 in, influencing the normal work of first pivot 2, and then prolonged the life of first pivot 2. Wherein, the first sealing groove should be adjacent to the opening of the through hole 21 at the upper end as shown in fig. 1, so as to facilitate the subsequent cleaning of the first rotating shaft 2.
In some embodiments, the multifunctional integrated rock bolt constructing apparatus 100 further includes a housing 6, the housing 6 is slidably connected to the base 1 through a guide rail 7 connected to a lower portion of the base 1, a portion of the second rotating shaft 3 is located inside the housing 6, the housing 6 is provided with a plurality of fluid medium inlets 61, and the plurality of fluid passages 31 are in one-to-one correspondence with the plurality of fluid medium inlets 61. Wherein the first shaft 2, the second shaft 3 and the housing 6 are coaxially arranged.
As shown in fig. 1 to 3, a part of the second rotating shaft 3 is located inside the housing 6 and can slide with the housing 6 in the up and down direction as shown in fig. 1, it can be understood that when the housing 6 is in contact with the first rotating shaft 2, the housing 6 and the second rotating shaft 3 stop moving upwards and the second rotating shaft 3 rotates with the first rotating shaft 2, and drilling is performed under the propelling of an external anchor rod drilling arm (not shown), and the next construction process is performed. Wherein the housing 6 may be driven by other means, such as a hydraulic motor, an electric motor or an internal combustion engine, in this embodiment the housing 6 is driven by a screw thread between the first and second rotational shafts.
The housing 6 is provided with a plurality of fluid medium inlets 61, and the plurality of fluid medium inlets correspond to the plurality of fluid passages 31 one by one, and it is understood that the fluid medium inlets 61 can enhance the connection strength between the medium source and the fluid passages 31, for example, the fluid medium inlets 61 are provided with a fixing mechanism, such as a threaded connection port, matching with a medium conveying pipeline (not shown). In some embodiments, the inlet of the fluid passage 31 is provided with a check valve 10 that prevents backflow of the medium in the fluid line.
In some embodiments, a plurality of second sealing grooves are formed in the housing 6, a plurality of fluid passages are located between the plurality of second sealing grooves and are spaced apart from the plurality of second sealing grooves, and second sealing elements 8 are respectively disposed in the plurality of second sealing grooves.
As shown in fig. 3, the plurality of fluid passages 31 are disposed between the plurality of second seal grooves and spaced from the second seal grooves, and the second seal groove is provided with the second seal 8 therein, so as to prevent the medium from entering the inside of the casing 6 and affecting the operation of the casing 6, and shorten the service life of the casing 6.
According to the multifunctional integrated anchor rod construction device 100 provided by the embodiment of the invention, the second seal ring is sleeved on the second rotating shaft 3 and is matched with the second rotating shaft 3 to seal each fluid passage 31, so that a medium is effectively prevented from entering the inside of the shell 6, and the service life of the shell 6 is further prolonged.
In some embodiments, the multifunctional integrated anchor rod construction device 100 further includes a first stop member 62 and a second stop member 9, the first stop member 62 is disposed on the housing 6 and adjacent to the through hole 21, the second stop member 9 is sleeved on the second end of the second rotating shaft 3, and the first stop member 62 and the second stop member 9 are respectively used for limiting the displacement of the second rotating shaft 3 in the length direction of the first rotating shaft 2.
As shown in fig. 3, the first stop member 62 is disposed at the upper portion of the housing 6, and the moving distance between the second rotating shaft 3 and the housing 6 can be adjusted by adjusting the length of the first adjusting member in the vertical direction, so that the second rotating shaft 3 and the first rotating shaft 2 rotate in cooperation to realize drilling.
The second rotation shaft 3 and the housing 6 are prevented from moving relatively in the up-down direction by the cooperation of the second stopper 9 and the inner wall of the housing 6.
In some embodiments, the through hole 21 includes a first section 211 and a second section 212, the inner diameter of the first section 211 is smaller than the inner diameter of the second section 212, and the second rotation shaft 3 is fitted in the first section 211 and the second section 212. The second section 212 is internally provided with internal threads, and the second rotating shaft 3 positioned in the second section 212 is connected with the second section 212 through the threads.
The first section 211 has a first end (an upper end of the first section 211 shown in fig. 3) and a second end (a lower end of the first section 211 shown in fig. 3) opposite to each other in a length direction (an up-down direction shown in fig. 3) of the first rotating shaft 2, a polygonal interface matched with the anchor rod assembly is provided at the first end of the first section 211, and the second end of the first section 211 is connected with the first end of the second section 212.
As shown in fig. 3, the through hole 21 includes a first section 211 and a second section 212, a lower end of the first section 211 is connected to an upper end of the second section 212, an inner diameter of the first section 211 is smaller than an inner diameter of the second section 212, and the second rotating shaft 3 can be matched with the first section 211 and the second section 212, so that in a process that the second rotating shaft 3 moves along with the housing 6, since the inner diameter of the first section 211 is smaller than the inner diameter of the second section 212, a limiting effect can be achieved to prevent the second rotating shaft 3 from moving upward.
The upper end of the first section 211 is a polygonal interface that mates with the bolt assembly, for example when a hex nut is used in the bolt assembly then the upper end of the first section 211 is configured as a hexagonal interface to mate with the bolt assembly.
The second section 212 has internal threads therein, and external threads having the same direction as the internal threads in the second section 212 are provided on the peripheral side of the second rotating shaft 3 located in the second section 212. It can be understood that when the driving device 5 drives the first rotating shaft 2 to rotate through the transmission assembly 51, the second rotating shaft 3 can move towards the substrate by the cooperation of the second section 212 and the screw thread on the second rotating shaft 3, and the housing 6 can be driven to move on the guide rail 7.
Wherein, let the nominal size of the internal thread in the second section 212 be D, the inner diameter of the second section 212 be D, and the nominal size D of the internal thread in the second section 212 and the inner diameter D of the second section 212 should satisfy D > D.
When the first stop member 62 contacts the first rotating shaft 2, the housing 6 and the second rotating shaft 3 stop moving upwards and rotate along with the first rotating shaft 2, and drilling is achieved under the propelling of the external anchor rod drilling arm, so that the next construction process is carried out.
Specifically, in the drilling process, the upper end of the second rotating shaft 2 is in contact with the anchor rod assembly, and the anchor rod assembly can rotate along with the second rotating shaft 2, so that drilling is realized. When the drilling is completed, the drive means 5 stops rotating and the anchoring agent is pumped by the pumping device via the fluid passage 31 in the second shaft 2 to the central hole of the rock bolt and the space between the rock bolt and the surrounding rock in the rock bolt assembly. Since the upper end of the second rotating shaft 2 is in contact with the tail of the anchor rod, when the anchoring agent is filled, the residual anchoring agent can be prevented from blocking the construction device.
After the anchor rod and the surrounding rock are firmly bonded by the pumped anchoring agent, the driving device 5 rotates reversely, the transmission group is used for 51 driving the first rotating shaft 2 to rotate, and the second rotating shaft 3 is connected with the first rotating shaft 2 through the threads, so that under the driving of the first rotating shaft 2, the second rotating shaft 3, the shell 6, the first stop part 62 and the second stop part 9 are horizontally moved relative to the base 1 in the direction far away from the tail part of the anchor rod until the shell 6 is contacted with the base 1 or the anchor rod cannot be further rotated, and the pre-tightening is completed.
Wherein, in above-mentioned stock subassembly pretension in-process, because second pivot 2 and stock simultaneously to keeping away from the direction motion of country rock, consequently can not produce the extrusion to second pivot 2 when the stock is withdrawn, effectively prevented that second pivot 2 from taking place wearing and tearing, reduced the number of times of shutting down the maintenance, prolonged the life of second pivot 2.
In some embodiments, the drive means 5 comprises one of a hydraulic motor, an electric motor or an internal combustion engine.
In some embodiments, the transmission comprises one of a gear transmission, a rack and pinion transmission, a worm gear transmission, a pulley transmission, a chain transmission, or a tendon rope transmission.
In some embodiments, the first seal 4 comprises one of an O-ring, a Y-ring, or a V-ring.
In some embodiments, the second seal 8 comprises one or more of an O-ring, a Y-ring, or a V-ring.
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, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
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 (6)

1. The utility model provides a multi-functional integration stock construction equipment which characterized in that includes:
the shell is connected with the base in a sliding mode;
the first rotating shaft is sleeved on the base and provided with a through hole extending along the length direction of the first rotating shaft, the through hole comprises a first section and a second section, and the inner diameter of the first section is smaller than that of the second section;
the second rotating shaft is matched in the through hole, a plurality of fluid passages which are respectively communicated with the through hole are arranged on the second rotating shaft, the second rotating shaft is matched in the first section and the second section, internal threads are arranged in the second section, the second rotating shaft in the second section is in threaded connection with the second section, the first section is provided with a first end and a second end which are opposite in the length direction of the first rotating shaft, a polygonal interface matched with the anchor rod is arranged at the first end of the first section, the second end of the first section is connected with the first end of the second section, and when the shell is in contact with the first rotating shaft, the shell and the second rotating shaft stop moving upwards and rotate along with the first rotating shaft;
the guide rail is connected with the base, and the shell is connected with the base in a sliding mode through the guide rail connected below the base;
the driving device is connected with the first rotating shaft through a transmission assembly, drives the first rotating shaft to rotate through the transmission assembly, enables the second rotating shaft to move towards the base through the matching of the second section and the threads on the second rotating shaft, and drives the shell to move on the guide rail;
the first stop part is arranged on the shell and is adjacent to the through hole, the second stop part is sleeved at the second end of the second rotating shaft, and the first stop part and the second stop part are respectively used for limiting the displacement of the second rotating shaft in the length direction of the first rotating shaft.
2. The multifunctional integrated anchor rod construction device according to claim 1, wherein a first sealing groove is further formed in the through hole, a first sealing element is arranged in the first sealing groove, and the first sealing element is sleeved on the second rotating shaft.
3. The multifunctional integrated anchor rod construction device according to claim 1, wherein a portion of the second rotating shaft is located inside the housing, the housing is provided with a plurality of fluid medium inlets, and the plurality of fluid passages are in one-to-one correspondence with the plurality of fluid medium inlets.
4. A multifunctional integrated rock bolt working apparatus according to claim 3, wherein the first and second shafts and the housing are coaxially disposed.
5. The multifunctional integrated anchor rod construction device according to claim 3, wherein a plurality of second sealing grooves are formed in the casing, the plurality of fluid passages are located between the plurality of second sealing grooves and spaced from the plurality of sealing grooves, and second sealing members are respectively disposed in the plurality of sealing grooves.
6. The multifunctional integrated anchor rod constructing device according to claim 5,
the nominal size of the internal thread in the second section is D, the inner diameter of the second section is D, and the nominal size D of the internal thread in the second section and the inner diameter D of the second section meet the condition that D is larger than D.
CN202110484150.4A 2021-04-30 2021-04-30 Multifunctional integrated anchor rod construction device Active CN113202523B (en)

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CN113202523B true CN113202523B (en) 2022-12-20

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AUPP955399A0 (en) * 1999-03-31 1999-04-29 Hydramatic Engineering Pty. Ltd. Method and apparatus for insertion of rockbolts
DE102005000142A1 (en) * 2005-10-19 2007-04-26 Hilti Ag squeezing
DE102008002303A1 (en) * 2008-06-09 2009-12-10 Hilti Aktiengesellschaft Adapter device for setting a self-drilling, chemically anchored fastener
WO2013170312A1 (en) * 2012-05-17 2013-11-21 Peter Andrew Gray Injection and drive arrangement for rock bolting
CN106499351A (en) * 2016-11-08 2017-03-15 内蒙古科技大学 A kind of novel pneumatic hand-held jumbolter water filling drill rod connector
CN109826656B (en) * 2019-03-29 2023-12-12 攀枝花学院 Drilling and anchoring integrated anchoring device
CN210370735U (en) * 2019-07-17 2020-04-21 廊坊景隆重工机械有限公司 Anchor rod and anchor cable stirrer
CN112360507A (en) * 2020-09-28 2021-02-12 中煤科工开采研究院有限公司 Multi-channel drilling, grouting and pre-tightening integrated anchor rod construction device and construction method

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