CN106437800A - Stretchable device for anchor rod anchoring force testing - Google Patents
Stretchable device for anchor rod anchoring force testing Download PDFInfo
- Publication number
- CN106437800A CN106437800A CN201611030576.8A CN201611030576A CN106437800A CN 106437800 A CN106437800 A CN 106437800A CN 201611030576 A CN201611030576 A CN 201611030576A CN 106437800 A CN106437800 A CN 106437800A
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- China
- Prior art keywords
- bevel gear
- anchor
- vertical
- inner tube
- base
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
Abstract
The invention discloses a stretchable device for anchor rod anchoring force testing. A transverse bevel gear (1) is arranged at the bottom of a bevel gear base (11). Vertical bevel gears (2) are uniformly arranged on the side wall of the bevel gear base (11) in the peripheral direction. The vertical bevel gears (2) are in meshed transmission connection with the transverse bevel gear (1). A small jack (3) comprises a base (4), the vertical bevel gears (2) are inserted into bevel gear grooves (4-2) of the small jack (3), and bolts (12) at the outer ends of the vertical bevel gears (2) and an internal thread (4-1) of the base (4) of the small jack (3) are screwed. The transverse bevel gear (1) is fixedly installed on an inner pipe (5). A bottom screw cap (6) is arranged on the inner pipe (5) and provided with a spanner (7). The inner pipe (5) is inserted into an outer pipe (8), and the end of the inner pipe (5) and the end of the outer pipe (8) are connected through a matched cone (13) with a thread. The stretchable device is rapid in installation and easy and convenient to use.
Description
Technical field
The present invention relates to a kind of retractor device for anchoring, especially relate to a kind of stretching for anchor-holding force of anchor bolt test
Compression apparatus.
Technical background
The deep energy is to be related to national sustained economic development and national energy war with the safely, effectively exploitation of mineral resources
Slightly safe significant problem.Being continuously increased with mining depth, various disasters are increasing, such as Rock Burst and soft rock
The disaster of large deformation causes grave danger to safety and high efficiency, and suspension roof support is necessary to deep mining, therefore research anchor
Stressing conditions in rock mass for the bar, preferably can obtain technical support for deep safety and high efficiency.
At present, there is type vibration wire anchor stress monitor to the instrument of anchor stress strain acquirement, type vibration wire anchor stress is supervised
Survey instrument installation process more complicated, need to first set emptying aperture, insertion type vibration wire anchor stress monitor simultaneously uses slip casting machine to it
Slip casting, is coupled with surrounding rock body, just reaches monitoring effect, and this process needs to take a significant amount of time, money and manpower.
Therefore, for type vibration wire anchor stress monitor, research and develop a kind of flexible dress for quick, easy anchoring rod
Put and be necessary.
Content of the invention
The technical problem to be solved is to provide a kind of installation quick, easy to use surveying for anchor-holding force of anchor bolt
The retractor device of examination.
In order to solve above-mentioned technical problem, provided by the present invention for the retractor device of anchor-holding force of anchor bolt test, bevel gear
The bottom of seat is provided with horizontal bevel gear, and the side wall circumference of described Bevel Gear Seat is uniformly provided with least two vertical bevel gears, institute
The vertical bevel gear stated is connected by meshing transmission with described horizontal bevel gear, and small-size jack includes base, described base
Internal middle vacancy is provided with internal thread segment and bevel gear groove;Each described vertical bevel gear is inserted into small-sized described in one
In the described bevel gear groove of jack and the described bolt of the outer end of vertical bevel gear and described small-size jack institute
The internal thread of the base stated screws;Described horizontal bevel gear fixedly mounts on inner pipe, and described inner tube is provided with bottom spiral shell
Cap and described bottom nut is provided with spanner;Described inner tube be inserted in outer tube and the described end of inner tube with described
The portion end of outer tube is connected using the threaded cone that agrees with.
The side wall circumference of described Bevel Gear Seat is uniformly provided with the vertical bevel gear described in 4.
Described spanner is arranged on described bottom nut using foldable mode.
The retractor device tested for anchor-holding force of anchor bolt using technique scheme, by the bottom nut in inner tube
Spanner drive inner tube rotation, rotarily drive horizontal Bevel Gear Transmission in inner tube to vertical bevel gear, vertical bevel gear with little
Bevel gear groove coupling in type jack, makes small-size jack uphold, buckles spanner, completes to anchor.
The direct effect of the present invention be can quickly, easily will be anchor rod anchored, solve common bolt anchoring need note
Slurry complicated technology, have the characteristics that simultaneously safely, quickly, reliable, economical, can effectively reduce the anchor rod anchored time, solve
A large amount of human and material resources, are greatly reduced support anchoring cost.
In sum, the present invention is a kind of installation retractor device for anchor-holding force of anchor bolt test quick, easy to use.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is schematic top plan view of the present invention.
Fig. 3 is the bevel gear structural representation of the present invention.
Fig. 4 is the small-size jack schematic diagram of the present invention.
Fig. 5 is the retractor device overall schematic for anchor-holding force of anchor bolt test.
In figure:1st, horizontal bevel gear;2nd, vertical bevel gear;3rd, small-size jack;4th, base;4-1, internal thread segment;4-2、
Bevel gear groove;5th, inner tube;6th, bottom nut;7th, spanner;8th, outer tube;9th, pallet;10th, the elastic cap with baffle plate;11st, bevel gear
Seat;12nd, bolt;13rd, threaded agree with cone.
Specific embodiment
With specific embodiment in Shandong Gold Group Shandong Jiaojia ramp, the present invention is done into one below in conjunction with the accompanying drawings
Step explanation.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, provided by the present invention for the retractor device of anchor-holding force of anchor bolt test, bevel gear
The bottom of seat 11 is provided with horizontal bevel gear 1, and the side wall circumference of Bevel Gear Seat 11 is uniformly provided with, 4 vertical bevel gears 2, vertical cone
Gear 2 is connected by meshing transmission with horizontal bevel gear 1, and small-size jack 3 includes base 4, and the middle vacancy of the inside of base 4 is provided with
Internal thread segment 4-1 and bevel gear groove 4-2;Each vertical bevel gear 2 is inserted in the bevel gear groove 4-2 of a small-size jack 3
And the bolt 12 of outer end of vertical bevel gear 2 is screwed with the internal thread 4-1 of the base 4 of small-size jack 3;Laterally bevel gear 1 is solid
Dingan County is contained in anchor pole inner tube 5, and inner tube 5 is provided with bottom nut 6 and bottom nut 6 is provided with spanner 7;Inner tube 5 is inserted into outer
In the pipe 8 and end of inner tube 5 is connected using the threaded cone 13 that agrees with the portion end of outer tube 8.
Further, spanner 7 is arranged on bottom nut 6 using foldable mode.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, in Jiao Jiakuang -630 stage casing ramp, in the fragmented rock body of U-shaped steel supporting
In, in profile head set 3 diameter 50mm about boring.Horizontal bevel gear 1 is placed on inner tube 5 outer wall and fastens, erect
It is connected transmission to bevel gear 2 with horizontal bevel gear 1, vertical bevel gear 2 is collectively referred to as bevel gear structure with horizontal bevel gear 1.Small-sized thousand
Jin roof construction includes base 4, and the inside of base is hollow, and the middle vacancy of chassis interior is provided with internal thread segment 4-1 and bevel gear
Groove 4-2, in vertical bevel gear 2 insertion bevel gear groove 4-2, and by bolt 12 and small-size jack 3 base 4 internal thread 4-1 rank
Connect, inner tube 5 is connected with outer tube 8 again, and screw on and threaded agree with cone 13.
Anchors step of the present invention is as follows:In Jiao Jiakuang -630 stage casing ramp, first inner tube 5 and outer tube 8 are squeezed into pre- subdrilling
In good emptying aperture, after somewhat consolidating by spanner 7 folding on bottom nut 6 just, rotarily drive the horizontal bevel gear 1 in inner tube 5,
Drive to vertical bevel gear 2, vertical bevel gear 2 is coupled with the bevel gear groove 4-2 in small-size jack 3, so that small-size jack 3 is stretched
Open the side wall withstanding emptying aperture, pallet 9 and the elastic cap 10 with baffle plate are installed, buckle spanner 7, complete to anchor.
In the present embodiment, vertical bevel gear 2 is coupled with the bevel gear groove 4-2 in small-size jack 3, plays gearing.
In the present embodiment, the spanner 7 on bottom nut 6 is foldable, when anchoring out-of-flatness rock mass, can be suitably using hammer
Anchoring.
Claims (3)
1. a kind of retractor device for anchor-holding force of anchor bolt test, is characterized in that:The bottom of Bevel Gear Seat (11) is provided with horizontal cone
Gear (1), the side wall circumference of described Bevel Gear Seat (11) is uniformly provided with least two vertical bevel gears (2), and described is vertical
Bevel gear (2) is connected by meshing transmission with described horizontal bevel gear (1), and small-size jack (3) includes base (4), described bottom
The middle vacancy of the inside of seat (4) is provided with internal thread segment (4-1) and bevel gear groove (4-2);Each described vertical bevel gear (2)
Be inserted in the described bevel gear groove (4-2) of the small-size jack (3) described in and described vertical bevel gear (2) outer
The bolt (12) at end is screwed with the internal thread (4-1) of described small-size jack (3) described base (4);Described is horizontal
Bevel gear (1) is fixedly mounted in inner tube (5), and described inner tube (5) is provided with bottom nut (6) and described bottom nut
(6) it is provided with spanner (7);Described inner tube (5) is inserted in outer tube (8) and the described end of inner tube (5) is outer with described
The portion end of pipe (8) is connected using the threaded cone (13) that agrees with.
2. the retractor device for anchor-holding force of anchor bolt test according to claim 1, is characterized in that:Described Bevel Gear Seat
(11) side wall circumference is uniformly provided with the vertical bevel gear (2) described in 4.
3. the retractor device for anchor-holding force of anchor bolt test according to claim 1 and 2, is characterized in that:Described spanner
(7) it is arranged on described bottom nut (6) using foldable mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611030576.8A CN106437800B (en) | 2016-11-16 | 2016-11-16 | A kind of retractor device for anchor-holding force of anchor bolt test |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611030576.8A CN106437800B (en) | 2016-11-16 | 2016-11-16 | A kind of retractor device for anchor-holding force of anchor bolt test |
Publications (2)
Publication Number | Publication Date |
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CN106437800A true CN106437800A (en) | 2017-02-22 |
CN106437800B CN106437800B (en) | 2017-07-07 |
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Application Number | Title | Priority Date | Filing Date |
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CN201611030576.8A Active CN106437800B (en) | 2016-11-16 | 2016-11-16 | A kind of retractor device for anchor-holding force of anchor bolt test |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107421588A (en) * | 2017-08-25 | 2017-12-01 | 吉林建筑大学 | Optical fiber grating sensing safety monitoring system in mine using novel anchor rod as sensing media |
CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
CN111561337A (en) * | 2020-03-19 | 2020-08-21 | 高军 | Device and method for arranging prestressed anchor rod in water-rich weak crushing surrounding rock tunnel |
Citations (7)
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US5791823A (en) * | 1996-12-06 | 1998-08-11 | Inco Limited | Yielding head for mine support |
CN103437796A (en) * | 2013-09-12 | 2013-12-11 | 韩雪峰 | Zero-torque anchor rod pre-tightening machine tool |
CN103543069A (en) * | 2013-10-29 | 2014-01-29 | 中国科学院武汉岩土力学研究所 | Indoor stretching-shearing testing device for anchor rod |
CN104075945A (en) * | 2014-07-09 | 2014-10-01 | 北京科技大学 | Anchoring structure rheological testing machine and method for simulating rheological properties of geologic structure body by utilizing machine |
CN104568274A (en) * | 2015-01-21 | 2015-04-29 | 安徽理工大学 | Anchoring force pre-warning device for anchor rod |
CN205135683U (en) * | 2015-11-05 | 2016-04-06 | 山东科技大学 | Monitoring stock fracture inefficacy device |
CN105699191A (en) * | 2016-04-14 | 2016-06-22 | 北京智博联科技股份有限公司 | Mechanical anchor tension meter |
-
2016
- 2016-11-16 CN CN201611030576.8A patent/CN106437800B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5791823A (en) * | 1996-12-06 | 1998-08-11 | Inco Limited | Yielding head for mine support |
CN103437796A (en) * | 2013-09-12 | 2013-12-11 | 韩雪峰 | Zero-torque anchor rod pre-tightening machine tool |
CN103543069A (en) * | 2013-10-29 | 2014-01-29 | 中国科学院武汉岩土力学研究所 | Indoor stretching-shearing testing device for anchor rod |
CN104075945A (en) * | 2014-07-09 | 2014-10-01 | 北京科技大学 | Anchoring structure rheological testing machine and method for simulating rheological properties of geologic structure body by utilizing machine |
CN104568274A (en) * | 2015-01-21 | 2015-04-29 | 安徽理工大学 | Anchoring force pre-warning device for anchor rod |
CN205135683U (en) * | 2015-11-05 | 2016-04-06 | 山东科技大学 | Monitoring stock fracture inefficacy device |
CN105699191A (en) * | 2016-04-14 | 2016-06-22 | 北京智博联科技股份有限公司 | Mechanical anchor tension meter |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107421588A (en) * | 2017-08-25 | 2017-12-01 | 吉林建筑大学 | Optical fiber grating sensing safety monitoring system in mine using novel anchor rod as sensing media |
CN107421588B (en) * | 2017-08-25 | 2020-03-31 | 吉林建筑大学 | Fiber bragg grating sensing mine safety monitoring system with anchor rod as sensing medium |
CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
CN111561337A (en) * | 2020-03-19 | 2020-08-21 | 高军 | Device and method for arranging prestressed anchor rod in water-rich weak crushing surrounding rock tunnel |
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Publication number | Publication date |
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CN106437800B (en) | 2017-07-07 |
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