CN111101521A - Recoverable anchor rod - Google Patents
Recoverable anchor rod Download PDFInfo
- Publication number
- CN111101521A CN111101521A CN202010028224.9A CN202010028224A CN111101521A CN 111101521 A CN111101521 A CN 111101521A CN 202010028224 A CN202010028224 A CN 202010028224A CN 111101521 A CN111101521 A CN 111101521A
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- 238000004873 anchoring Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 42
- 239000010720 hydraulic oil Substances 0.000 claims description 24
- 239000011435 rock Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Actuator (AREA)
Abstract
The invention provides a recoverable anchor rod, which comprises: the body is of a cylindrical structure, a first cylindrical cavity and a second cylindrical cavity are respectively arranged at the top end and the bottom end of the body, and a plurality of sliding blocks are arranged in the side wall of the first cylindrical cavity in a sliding manner; the rod body is inserted into the first cylindrical cavity, the bottom of the rod body is fixedly connected with a first piston and a piston rod, the top end of the piston rod is fixedly connected with a second piston, the second piston is arranged in the second cylindrical cavity in a sliding mode, and the bottom end of the piston rod is fixedly connected with a connecting disc; the cylinder is arranged at the bottom of the connecting disc, and a hydraulic power system and a wireless transceiving module are arranged in the cylinder; and the anchoring mechanism is arranged between the bottom end of the body and the connecting disc. The anchor hole is secondarily anchored, so that the anchoring effect of the anchor rod is improved, the hydraulic power system is convenient for the recovery of the anchor rod, the secondary utilization is realized, the cost is saved, the utilization rate of the anchor rod is improved, and the pollution to the underground environment is reduced.
Description
Technical Field
The invention relates to the technical field of anchor rods, in particular to a recyclable anchor rod.
Background
With the continuous promotion of infrastructure construction in China, the construction industry is rapidly developed. At present, the anchor rod supporting technology is widely applied to urban foundation pit reinforcement, and has remarkable benefits in urban construction. The extensive use of rock bolts has however led to an increasing number of rock bolts being buried in urban grounds. When the temporary support function is invalid, the traditional anchor rod cannot be recovered and is buried underground together with the built structure, a large amount of underground space is occupied, underground garbage is formed, underground environment pollution is caused, the remained anchor rod becomes an underground obstacle of subsequent engineering, and steel waste is caused because the anchor rod cannot be recovered. In addition, as people's interest in property rights of underground spaces is increased, the application range of the conventional anchor rod is gradually limited due to infringement of property rights of adjacent underground spaces.
Recoverable bolts are a necessary product of the development of bolt technology. Some recoverable anchor rod technologies are already available in the market, and mainly include an inflatable recovery technology, a combined recovery technology and the like. But inflatable recovery has higher requirements on material performance, causes the cost to be high, and the combined recovery technology is more tedious in actual construction and use process, and is easy to cause the problem of difficult recovery due to improper operation.
Disclosure of Invention
In view of this, the invention provides a recyclable anchor rod, which can be easily recycled, reduce pollution to the underground environment and improve the application range of the anchor rod.
The technical scheme of the invention is realized as follows: the invention provides a recoverable anchor rod, comprising:
the body is of a cylindrical structure, a first cylinder cavity and a second cylinder cavity are respectively arranged at the top end and the bottom end of the body, hydraulic oil is filled in the first cylinder cavity, a plurality of sliding holes are uniformly formed in the side wall of the first cylinder cavity along the circumferential direction, and the sliding holes are communicated with the first cylinder cavity;
the sliding block is arranged in the sliding hole and can horizontally slide along the sliding hole;
the rod body is at least partially inserted into the first cylindrical cavity, the bottom of the rod body is fixedly connected with a first piston, and the first piston moves up and down along the first cylindrical cavity to drive the hydraulic oil to push the sliding block to move horizontally along the sliding hole;
the top end of the piston rod is fixedly connected with a second piston which is arranged in the second cylindrical cavity in a sliding manner, and the bottom end of the piston rod is fixedly connected with a connecting disc;
the cylinder is arranged at the bottom of the connecting disc, and a hydraulic power system for controlling the second piston to move up and down along a second cylinder cavity and a wireless transceiver module for receiving a control signal so as to control the hydraulic power system to work are arranged in the cylinder;
and the anchoring mechanisms are arranged between the bottom end of the body and the connecting disc, and are symmetrically provided with at least one pair along the same circumferential direction.
On the basis of the technical scheme, preferably, the upper end cover is fixedly arranged at the top end of the body, an annular flange is arranged at the central axis of the upper surface of the upper end cover, a first external thread is arranged on the peripheral surface of the annular flange, a locking nut is screwed on the first external thread, the upper end of the rod body penetrates through the upper end cover and the annular flange and extends upwards, and a second external thread connected with the locking nut is arranged on the peripheral surface of the rod body.
Further, preferably, one end of the sliding block, which is positioned on the outer wall of the body, is provided with a plurality of protrusions.
Further, preferably, the top surface of the sliding block is provided with a limiting part, and the top surface of the sliding hole is provided with a limiting groove for limiting the movement of the limiting part.
On the basis of the above technical scheme, preferably, an upper pipeline communicated with the second cylinder cavity is arranged on the upper end face of the second piston, a lower pipeline communicated with the second cylinder cavity is arranged on the lower end face of the second piston, and the upper pipeline and the lower pipeline respectively penetrate through the lower end face of the piston rod and are connected with the hydraulic power system.
Further, preferably, the hydraulic power system comprises an oil pump, a two-position four-way electromagnetic directional valve, an oil tank and a storage battery, wherein the storage battery supplies power to the oil pump and the two-position four-way electromagnetic directional valve respectively, one end of the oil pump is connected with the oil tank, the other end of the oil pump is communicated with an oil inlet of the two-position four-way electromagnetic directional valve, an oil return port of the two-position four-way electromagnetic directional valve is connected with the oil tank, two working ports of the two-position four-way electromagnetic directional valve are connected with an upper pipeline and a lower pipeline respectively, and the two-.
On the basis of the above technical scheme, preferably, the anchoring mechanism includes an upper connecting rod, a lower connecting rod, an upper hinged seat and a lower hinged seat, the upper hinged seat is fixedly connected with the lower end face of the body, the lower hinged seat is fixedly connected with the upper end face of the connecting plate, the lower end portion of the upper connecting rod is hinged with the upper end portion of the lower connecting rod, the upper end of the upper connecting rod is hinged with the upper hinged seat, and the lower end portion of the lower connecting rod is hinged with the lower hinged seat.
Further, preferably, a spike part is arranged on the side wall of the lower end of the upper connecting rod.
On the basis of the technical scheme, preferably, the bottom of the cylinder body is provided with a tip.
Compared with the prior art, the invention has the following beneficial effects:
when the recyclable anchor rod is used, the rod body pushes the first piston to move downwards along the first cylindrical cavity, the thrust is transmitted to the sliding block through hydraulic oil, so that the sliding block horizontally slides out of the anchor rod body, the thrust is amplified through the Pascal principle, the outward thrust of the sliding block is increased, the anchor hole is preliminarily supported, and the anchor rod body is clamped in the anchor hole. The control signal is sent to the wireless transceiver module in the cylinder body through an external wireless terminal, the wireless transceiver module controls the hydraulic power system to work, the hydraulic power system controls the second piston to move upwards along the second cylinder cavity, the second piston drives the piston rod to move upwards and then drives the connecting disc to move upwards, and therefore the anchoring mechanism extends around the anchor hole, supporting is strengthened, and the anchoring effect of the anchor rod is enhanced. When the sliding block needs to be retracted, the first piston is driven to move upwards by pulling the rod body, so that the sliding block moves towards the center of the body, and the sliding block is separated from the anchor hole. And then, sending a control signal to a wireless transceiver module in the cylinder body through an external wireless terminal, and controlling the hydraulic power system to work by the wireless transceiver module, so that the hydraulic power system controls the second piston to move downwards along the second cylinder cavity, and the second piston drives the piston rod to move downwards and then drives the connecting disc to move downwards, thereby enabling the anchoring mechanism to be furled in along the axis direction of the body, and recovering the anchor rod. The anchor hole is secondarily anchored, so that the anchoring effect of the anchor rod is improved, meanwhile, the hydraulic power system is convenient for the recovery of the anchor rod, the secondary utilization is realized, the cost is saved, the utilization rate of the anchor rod is improved, and the pollution to the underground environment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a retrievable anchor rod according to the present disclosure;
FIG. 2 is an exploded view of the retrievable anchor of the present disclosure;
fig. 3 is a schematic plan view of the retractable anchor according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic structural view of the disclosed upper end cap;
fig. 6 is a schematic structural diagram of the anchoring mechanism disclosed in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in conjunction with fig. 2, 3 and 4, an embodiment of the present invention discloses a retrievable anchor rod, including:
a body 1, which is a cylinder structure, the body 1 is made of metal. The top and the bottom of body 1 are provided with first cylinder chamber 11 and second cylinder chamber 12 respectively, are filled with hydraulic oil 111 in the first cylinder chamber 11, evenly are equipped with a plurality of sliding holes 13 along the circumferencial direction in the 11 lateral walls of first cylinder chamber, and is concrete, and sliding hole 13 is located the lateral wall at 11 bottom places in first cylinder chamber, and sliding hole 13 is linked together with first cylinder chamber 11, from this to make things convenient for hydraulic oil to flow into in the sliding hole 13.
And a slider 2 disposed in the slide hole 13 and horizontally slidable along the slide hole 13.
A body of rod 3, body of rod 3 is at least partly pegged graft in first cylinder chamber 11, the first piston 31 of bottom fixedly connected with of body of rod 3, first piston 31 is along first cylinder chamber 11 up-and-down motion in order to order about hydraulic oil 111 to promote slider 2 along sliding hole 13 horizontal motion, it is concrete, body of rod 3 receives external force to promote downwards, thereby order about first piston 31 along first cylinder chamber 11 downstream, first piston 31 compression hydraulic oil 111, hydraulic oil 111 flows to sliding hole 13 all around, the thrust that hydraulic oil 111 produced promotes slider 2 along sliding hole 13 outwards removal, thereby make the outer terminal surface and the anchor eye inner wall anchor of slider 2 mutually, and then play preliminary anchor effect.
And the top end of the piston rod 4 is fixedly connected with a second piston 41, the second piston 41 is arranged in the second cylindrical cavity 12 in a sliding manner, the bottom end of the piston rod 4 is fixedly connected with a connecting disc 42, and the diameter of the connecting disc 42 is equal to that of the body 1.
The cylinder 5 is arranged at the bottom of the connecting disc 42, and particularly, the cylinder 5 is connected with the connecting disc 42 in a threaded connection mode. The cylinder 5 is internally provided with a hydraulic power system 6 for controlling the second piston 41 to move up and down along the second cylinder cavity 12, and a wireless transceiver module 7 for receiving control signals to control the operation of the hydraulic power system 6.
And the anchoring mechanisms 8 are arranged between the bottom end of the body 1 and the connecting disc 42, and at least one pair of anchoring mechanisms are symmetrically arranged along the same circumferential direction.
Under the technical scheme, when the anchor rod disclosed by the invention is used, the diameter of a drilled anchor hole is slightly larger than that of the body 1, hole cleaning is carried out after drilling, after hole cleaning is finished, the anchor rod which is folded in an initial state is inserted into the anchor hole, the rod body 3 is pushed to move downwards through external force, so that the first piston 31 is driven to move downwards along the first cylindrical cavity 11, the first piston 31 compresses hydraulic oil 111, the hydraulic oil 111 flows to the peripheral sliding holes 13, the sliding block 2 is pushed to move outwards along the sliding holes 13 by thrust generated by the hydraulic oil 111, the thrust is amplified through the Pascal principle, the outwards thrust of the sliding block 2 is increased, and the outer end face of the sliding block 2 is anchored with the inner wall of the anchor hole, so that primary anchoring is achieved. Then, a control signal is sent to the wireless transceiver module 7 in the cylinder 5 through an external wireless terminal, the wireless transceiver module 7 controls the hydraulic power system 6 to work, so that the hydraulic power system 6 controls the second piston 41 to move upwards along the second cylinder cavity 12, the second piston 41 drives the piston rod 4 to move upwards and then drives the connecting disc 42 to move upwards, the anchoring mechanism 8 extends towards the periphery of the anchor hole, supporting is strengthened, and the anchoring effect of the anchor rod is enhanced. And finally, locking the rod body 3 by using an external connecting piece, anchoring the anchor hole and the body 1 by using a proper amount of concrete, and at the moment, keeping the whole anchor rod in an unfolded state to play a role in supporting. When needing to retrieve, will mix between anchor eye and the body 1 pipe with the doubt soil earlier and loosen, then drive first piston 31 upward movement through pulling the body of rod 3, make slider 2 move to body 1 center to make slider 2 break away from the anchor eye inner wall. Then, a control signal is sent to the wireless transceiver module 7 in the cylinder 5 through an external wireless terminal, the wireless transceiver module 7 controls the hydraulic power system 6 to work, so that the hydraulic power system 6 controls the second piston 41 to move downwards along the second cylinder cavity 12, the second piston 41 drives the piston rod 4 to move downwards and then drives the connecting disc 42 to move downwards, and therefore the anchoring mechanism 8 is folded along the axis direction of the body 1, and the anchor rod can be recovered.
Referring to fig. 5, in this embodiment, the top end of the body 1 is fixedly provided with an upper end cover 9, an annular flange 91 is arranged at the central axis of the upper surface of the upper end cover 9, a first external thread 911 is arranged on the outer circumferential surface of the annular flange 91, a lock nut 92 is screwed on the first external thread 911, the upper end of the rod 3 passes through the upper end cover 9 and the annular flange 91 and extends upward, and a second external thread 32 connected with the lock nut 92 is arranged on the outer circumferential surface of the rod 3.
Under above-mentioned structure sets up, 3 downstream when the body of rod, order about first piston 31 downstream, first piston 31 promotes hydraulic oil and orders about slider 2 and carries out preliminary anchor back to the anchor eye inner wall, rotatory lock nut 92, make lock nut 92 downstream, first external screw thread 911 on second external screw thread 32 and the annular flange 91 on through the body of rod 3, make lock nut 92 threaded connection on the body of rod 3 and annular flange 91, and then make the body of rod 3 and body 1 keep relatively fixed, the body of rod 3 has been avoided along body 1 upward movement, cause the frictional force of slider 2 and anchor eye inner wall to reduce. It should be noted that the lock nut 92 of the present invention includes two internal threaded holes, which are smaller at the top and larger at the bottom, the upper internal threaded hole being connected to the second external thread 32 of the rod body 3, and the lower internal threaded hole being connected to the first external thread 911 of the annular flange 91.
One end of the sliding block 2, which is positioned on the outer wall of the body 1, is provided with a plurality of bulges 21. The anchor rod is better embedded into the inner wall of the anchor hole under the action of pressure, so that the friction force between the anchor rod and the inner wall of the anchor hole is increased, and the pulling resistance strength of the anchor rod is increased. In some alternative embodiments, the protrusions 21 may be wavy or dotted.
The top surface of the sliding block 2 is provided with a limiting part 22, and the top surface of the sliding hole 13 is provided with a limiting groove 131 for limiting the movement of the limiting part 22. Through the cooperation of spacing portion 22 and spacing groove 131, can restrict the motion stroke of slider 2, avoid slider 2 to deviate from sliding hole 13, when also having avoided slider 2 to retract simultaneously, because of not having spacing and causing slider 2 to slide to second cylinder chamber 12 in.
In order to facilitate the installation of the second piston 41, the lower end surface of the body 1 is provided with a lower end cover 10, the lower end cover 10 is locked with the lower end surface of the body 1 through bolts, meanwhile, the lower end cover 10 is used for sealing the bottom of the second cylindrical cavity 12, the hydraulic power system 6 injects hydraulic oil into the second cylindrical cavity 12 through the piston rod 4 and the second piston 41, so that the second cylindrical cavity 12 is sealed by the lower end cover 10 to form a closed cavity, and the second piston 41 can move in the second cylindrical cavity 12.
The lower end of the piston rod 4 is connected with the connecting disc 42, specifically, the lower end face of the connecting disc 42 is provided with an annular step, the annular step is fixedly connected with the fixed disc 13 through a bolt, and the piston rod 4 and the fixed disc 13 are locked through a bolt. Therefore, the piston rod 4 and the connecting disc 42 are convenient to assemble and disassemble.
An upper pipeline 411 communicated with the second cylinder cavity 12 is arranged on the upper end face of the second piston 41, a lower pipeline 412 communicated with the second cylinder cavity 12 is arranged on the lower end face of the second piston 41, and the upper pipeline 411 and the lower pipeline 412 respectively penetrate through the lower end face of the piston rod 4 and are connected with the hydraulic power system 6. With the above-described structural arrangement, the hydraulic oil is controlled to flow in and out of the upper pipe 411 and the lower pipe 412 by the hydraulic power system 6, thereby achieving the movement of the second piston 41 in the second cylinder chamber 12.
Referring to fig. 4, specifically, the hydraulic power system 6 includes an oil pump 61, a two-position four-way electromagnetic directional valve 62, an oil tank 63 and a battery 64, wherein the battery 64 is respectively powered by the oil pump 61 and the two-position four-way electromagnetic directional valve 62, one end of the oil pump 61 is connected to the oil tank 63, the other end of the oil pump is communicated with an oil inlet (P) of the two-position four-way electromagnetic directional valve 62, an oil return port (T) of the two-position four-way electromagnetic directional valve 62 is connected to the oil tank 63, two working ports of the two-position four-way electromagnetic directional valve 62 are respectively connected to an upper pipeline 411 and a lower pipeline 412, wherein the lower pipeline 412 is communicated with the working port (a), the upper pipeline 411 is communicated with the working port (B), and both the oil.
Under the above structure, when the anchor rod is used for anchoring operation, the wireless transceiver module 7 receives an external control signal, and starts the oil pump 61 to operate, the oil pump 61 pumps oil from the oil tank 63, hydraulic oil is communicated with the working port (a) through the oil inlet (P), the hydraulic oil enters the second cylinder cavity 12 on the lower end surface of the second piston 41 through the lower pipeline 412, and the hydraulic oil pushes the second piston 41 to move upwards, so as to drive the piston rod 4 to move upwards, and further drive the connecting disc 42 to move upwards, so that the anchoring mechanism 8 extends outwards to anchor the inner wall of the anchor hole.
When the anchor rod needs to be retracted, the wireless transceiver module 7 receives an external control signal, the oil pump 61 is started to operate, the oil pump 61 pumps oil from the oil tank 63, hydraulic oil is communicated with the working port (B) through the oil inlet (P), the oil return port (T) is communicated with the working port (a), the oil return port (T) is connected back to the oil tank 63, the hydraulic oil enters the second cylinder cavity 12 on the upper end surface of the second piston 41 through the upper pipeline 411, the hydraulic oil pushes the second piston 41 to move downwards so as to drive the piston rod 4 to move downwards, meanwhile, the hydraulic oil in the second cylinder cavity 12 on the lower end surface of the second piston 41 flows back to the oil tank 63 through the lower pipeline 412, and the second piston 41 moves downwards to drive the connecting disc 42 to move downwards, so that the anchoring mechanism 8 is folded.
It should be noted that the wireless transceiver module 7 receives an external terminal remote control signal, and the wireless transceiver module 7 sends an electrical signal to control the power on and off of the electromagnet in the two-position four-way electromagnetic directional valve 62, which are implemented by adopting the prior art.
Referring to fig. 6, the anchoring mechanism 8 includes an upper link 81, a lower link 82, an upper hinge seat 83 and a lower hinge seat 84, the upper hinge seat 83 is fixedly connected to the lower end surface of the body 1, and the lower hinge seat 84 is fixedly connected to the upper end surface of the connecting plate 42. The lower end of the upper connecting rod 81 is hinged with the upper end of the lower connecting rod 82, the upper end of the upper connecting rod 81 is hinged with the upper hinged seat 83, and the lower end of the lower connecting rod 82 is hinged with the lower hinged seat 84. When the connecting disc 42 moves upwards relative to the body 1, the lower connecting rod 82 drives the upper connecting rod 81 to expand outwards, and the anchor rod of the anchor hole is realized by using the hinge points of the upper connecting rod 81 and the lower connecting rod 82. When the connecting disc 42 moves downwards relative to the body 1, the lower connecting rod 82 drives the upper connecting rod 81 to be folded to be in a vertical state, and then the anchor rod can be retracted for secondary use.
The side wall of the lower end of the upper connecting rod 81 is provided with a spine portion 811, and the spine portion 811 can pierce the inner wall of the anchor hole, so that the anchoring force of the anchoring mechanism 8 is improved, and the pull-out resistance is increased.
The bottom of the cylinder 5 is provided with a tip 51 which is convenient to insert into a pre-drilled anchor hole to play a role in guiding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A retrievable rock bolt, comprising:
the hydraulic cylinder comprises a body (1) which is of a cylindrical structure, wherein a first cylinder cavity (11) and a second cylinder cavity (12) are respectively arranged at the top end and the bottom end of the body (1), hydraulic oil (111) is filled in the first cylinder cavity (11), a plurality of sliding holes (13) are uniformly formed in the side wall of the first cylinder cavity (11) along the circumferential direction, and the sliding holes (13) are communicated with the first cylinder cavity (11);
the sliding block (2) is arranged in the sliding hole (13) and can horizontally slide along the sliding hole (13);
the hydraulic cylinder comprises a rod body (3), wherein at least one part of the rod body (3) is inserted into a first cylinder cavity (11), the bottom of the rod body (3) is fixedly connected with a first piston (31), and the first piston (31) moves up and down along the first cylinder cavity (11) to drive hydraulic oil (111) to push a sliding block (2) to move horizontally along a sliding hole (13);
the top end of the piston rod (4) is fixedly connected with a second piston (41), the second piston (41) is arranged in the second cylindrical cavity (12) in a sliding mode, and the bottom end of the piston rod (4) is fixedly connected with a connecting disc (42);
the cylinder (5) is arranged at the bottom of the connecting disc (42), a hydraulic power system (6) for controlling the second piston (41) to move up and down along the second cylinder cavity (12) and a wireless transceiver module (7) for receiving a control signal so as to control the hydraulic power system (6) to work are arranged in the cylinder (5);
and the anchoring mechanisms (8) are arranged between the bottom end of the body (1) and the connecting disc (42), and are symmetrically provided with at least one pair along the same circumferential direction.
2. A retrievable rock bolt according to claim 1, wherein: the fixed upper end cover (9) that is provided with in body (1) top, the upper surface central axis department of upper end cover (9) is provided with annular flange (91), the outer peripheral face of annular flange (91) is provided with first external screw thread (911), and the spiro union has lock nut (92) on first external screw thread (911), the upper end of the body of rod (3) passes upper end cover (9) and annular flange (91) and upwards extends, just be provided with second external screw thread (32) that are connected with lock nut (92) on the outer peripheral face of the body of rod (3).
3. A retrievable rock bolt according to claim 1, wherein: one end of the sliding block (2) positioned on the outer wall of the body (1) is provided with a plurality of bulges (21).
4. A retrievable rock bolt according to claim 3, wherein: the top surface of the sliding block (2) is provided with a limiting part (22), and the top surface of the sliding hole (13) is provided with a limiting groove (131) for limiting the movement of the limiting part (22).
5. A retrievable rock bolt according to claim 1, wherein: an upper pipeline (411) communicated with the second cylinder cavity (12) is arranged on the upper end face of the second piston (41), a lower pipeline (412) communicated with the second cylinder cavity (12) is arranged on the lower end face of the second piston (41), and the upper pipeline (411) and the lower pipeline (412) penetrate through the lower end face of the piston rod (4) respectively and are connected with the hydraulic power system (6).
6. A retrievable rock bolt according to claim 5, wherein: the hydraulic power system (6) comprises an oil pump (61), a two-position four-way electromagnetic reversing valve (62), an oil tank (63) and a storage battery (64), wherein the storage battery (64) supplies power to the oil pump (61) and the two-position four-way electromagnetic reversing valve (62) respectively, one end of the oil pump (61) is connected with the oil tank (63), the other end of the oil pump is communicated with an oil inlet of the two-position four-way electromagnetic reversing valve (62), an oil return port of the two-position four-way electromagnetic reversing valve (62) is connected with the oil tank (63), two working ports of the two-position four-way electromagnetic reversing valve (62) are connected with an upper pipeline (411) and a lower pipeline (412) respectively, and the two-position four-way.
7. A retrievable rock bolt according to claim 1, wherein: anchoring mechanism (8) are including last connecting rod (81), lower connecting rod (82), go up articulated seat (83) and articulated seat (84) down, go up articulated seat (83) and the lower terminal surface fixed connection of body (1), articulated seat (84) and the up end fixed connection of connection pad (42) down, the lower tip of going up connecting rod (81) and the upper end hinge of lower connecting rod (82) are connected, the upper end and the articulated seat (83) hinge of going up connecting rod (81), the lower tip and the articulated seat (84) hinge connection down of lower connecting rod (82).
8. A retrievable rock bolt according to claim 7, wherein: and a spike part (811) is arranged on the side wall of the lower end of the upper connecting rod (81).
9. A retrievable rock bolt according to claim 1, wherein: the bottom of the barrel (5) is provided with a tip (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028224.9A CN111101521B (en) | 2020-01-10 | 2020-01-10 | Recoverable stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028224.9A CN111101521B (en) | 2020-01-10 | 2020-01-10 | Recoverable stock |
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| Publication Number | Publication Date |
|---|---|
| CN111101521A true CN111101521A (en) | 2020-05-05 |
| CN111101521B CN111101521B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010028224.9A Active CN111101521B (en) | 2020-01-10 | 2020-01-10 | Recoverable stock |
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| CN (1) | CN111101521B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622071A (en) * | 2020-06-04 | 2020-09-04 | 湖南交通国际经济工程合作有限公司 | Curing-free modified emulsified asphalt cement composite grouting treatment construction process for pavement |
| CN112177523A (en) * | 2020-10-30 | 2021-01-05 | 中航勘察设计研究院有限公司 | Electromagnetic support type drilling and anchoring integrated machine and anchoring method |
| CN112413543A (en) * | 2020-10-16 | 2021-02-26 | 成都华体慧城科技有限公司 | Lamp pole mounting base, lamp pole and mounting method of lamp pole |
| CN112523209A (en) * | 2020-11-25 | 2021-03-19 | 中国建筑第五工程局有限公司 | Anchoring connector for anchor rod |
| CN112684496A (en) * | 2020-12-14 | 2021-04-20 | 大连理工大学 | Recoverable micro-seismic monitoring sensor anti-collapse hole protection device based on double-layer protection and use method |
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| US4974997A (en) * | 1986-06-26 | 1990-12-04 | Secure Anchoring & Foundation Equipment, Inc. | Hydraulic setting tool for installing anchoring and foundation support apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622071A (en) * | 2020-06-04 | 2020-09-04 | 湖南交通国际经济工程合作有限公司 | Curing-free modified emulsified asphalt cement composite grouting treatment construction process for pavement |
| CN112413543A (en) * | 2020-10-16 | 2021-02-26 | 成都华体慧城科技有限公司 | Lamp pole mounting base, lamp pole and mounting method of lamp pole |
| CN112177523A (en) * | 2020-10-30 | 2021-01-05 | 中航勘察设计研究院有限公司 | Electromagnetic support type drilling and anchoring integrated machine and anchoring method |
| CN112523209A (en) * | 2020-11-25 | 2021-03-19 | 中国建筑第五工程局有限公司 | Anchoring connector for anchor rod |
| CN112684496A (en) * | 2020-12-14 | 2021-04-20 | 大连理工大学 | Recoverable micro-seismic monitoring sensor anti-collapse hole protection device based on double-layer protection and use method |
| CN112684496B (en) * | 2020-12-14 | 2022-01-04 | 大连理工大学 | Recoverable micro-seismic monitoring sensor anti-collapse hole protection device based on double-layer protection and use method |
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