CN204964087U - Stock anchor power testing experiment device - Google Patents
Stock anchor power testing experiment device Download PDFInfo
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- CN204964087U CN204964087U CN201520572919.8U CN201520572919U CN204964087U CN 204964087 U CN204964087 U CN 204964087U CN 201520572919 U CN201520572919 U CN 201520572919U CN 204964087 U CN204964087 U CN 204964087U
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- anchor
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- holding force
- experimental apparatus
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Abstract
The utility model relates to a stock anchor power testing experiment device, can effectively solve prior art wastes time and energy, the low problem of rate of accuracy simultaneously, the technical scheme of its solution is, including test bench, stock, steel pipe and stock tensioning device. But the test bench comprises the upper and lower frame movable cross beam of portion. Four minutes of test bench have do not welded four landing legs, and the welding of test bench saddle has the manual pump mounting panel, and test bench tip welding has the pneumatic cylinder mounting panel. The welding of pneumatic cylinder mounting panel both sides has the rectangle latch, and the backplate can imbed among the latch completely. The welding has a just trapezoidal latch on the frame of lower part, but matches with the trapezoidal latch that falls of movable cross beam both sides. The stock expose steel pipe one end pass the backplate to the mesopore, then it is fixed by preceding baffle to pass the pneumatic cylinder. The utility model discloses maneuverability is strong, and the cost of manufacture is low, and the rate of accuracy is high, can effectively prevent the emergence of roof accident.
Description
Technical field
The utility model relates to colliery tunnel support field, particularly a kind of anchor-holding force of anchor bolt experimental apparatus for testing.
Background technology
Since the nineties in 20th century, bolt supporting is applied widely in coal roadway rock controls with its significant technology and superiority in economy, it is a revolution of Roadway Support Technology, anchor pole quantity for coal road is often only all more than several ten million roots by China, so the quality of Detection of Bolt Bonding Integrity directly affects the stability in tunnel, being the important indicator of Safety of Coal Mine Production, is therefore the important step promoting Safety of Coal Mine Production to the detection of Detection of Bolt Bonding Integrity.In fact, due to rock property difference and architectonic impact, the size of the anchor rod drawing power in same tunnel is all variant, to such an extent as to minority anchor rod drawing power does not reach designing requirement, causes roof fall accident.Present stage Detection of Bolt Bonding Integrity and the detection of stress mostly still rest on the destructive pull-out test stage, this detection means is not only taken a lot of work but also time-consuming, destruction is to a certain degree caused to the stability of rock mass, reduce the reinforcement effect of anchor pole to country rock, be also difficult to calculate anchor force exactly simultaneously and whether meet design requirement.Certainly will by greatly alleviating the labour intensity of workman if Non-Destructive Testing can be carried out to pulling capacity, cost-saving.In order to the safety in production strengthening colliery reduces the generation of top board roof fall accident, application correlation theories knowledge and in conjunction with field condition, develop a kind of anchor-holding force of anchor bolt experimental apparatus for testing, by at laboratory simulation anchoring rod drawing process, detect the size of anchor force and to carry out the research of Non-Destructive Testing to Detection of Bolt Bonding Integrity imperative.
Summary of the invention
In order to solve the defect that above-mentioned technology exists, the purpose of this utility model is just to provide a kind of anchor-holding force of anchor bolt experimental apparatus for testing, effectively can solve the situation that test anchor-holding force of anchor bolt is wasted time and energy, avoid damaging the stability of consolidating crack around anchor pole, can accuracy rate be improved simultaneously.
The technical solution of the utility model is, a kind of anchor-holding force of anchor bolt experimental apparatus for testing comprises testing table, anchor pole, steel pipe and anchor rod drawing device.Testing table is made up of upper and lower part framework, movable beam.Testing table four angles are welded with four supporting legs respectively, and supporting leg bottom welding is circular dull and stereotyped, and flat board is fixedly connected with ground by bolt.Testing table upper frame is welded with manual pump installing plate, and testing table welding edges has cylinder mount plate.Cylinder mount plate both sides are welded with rectangle latch, and backboard can embed among latch completely.Lower frame is welded with trapezoid latch, mates with the inverted trapezoidal latch of movable beam both sides.During test, be fixed on movable beam by the anchor pole be anchored in firm pipe, movable beam can utilize latch movable in lower frame, can adapt to the anchor pole of different length like this.Anchor pole exposes the centring hole of steel pipe one end through backboard, is then fixed by front apron through hydraulic cylinder.When carrying out pull-out test, backboard can move after rectangle latch is gone forward, with the deficiency of compensating hydraulic cylinder stroke.
The utility model novel structure, cost is low, and practicality is comparatively strong, and easy to operate, time saving and energy saving, can be applicable to the anchor rod experiment of various length, accuracy rate is high, effectively can prevent the generation of coal mine roof plate accident.
Accompanying drawing explanation
Fig. 1 is structural upright schematic diagram of the present utility model.
Fig. 2 is structural front view of the present utility model.
Fig. 3 is structure vertical view of the present utility model.
Fig. 4 is the front view of movable beam.
Fig. 5 is the side view of movable beam.
Fig. 6 is the front view of backboard.
Fig. 7 is the vertical view of backboard.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Provided by Fig. 1-3, the utility model comprises testing table 1, anchor pole 8, steel pipe 17 and anchor rod drawing device.Testing table 1 is made up of upper frame 2, lower frame 14, movable beam 16.Testing table 1 four angles are welded with four supporting legs 15 respectively, and supporting leg 15 bottom welding circular dull and stereotyped 20, dull and stereotyped 20 are fixedly connected with ground by bolt.Testing table 1 upper frame 2 is welded with manual pump installing plate 3, and testing table 1 welding edges has cylinder mount plate 7.Cylinder mount plate 7 both sides are welded with rectangle latch 6, and backboard 11 can embed among rectangle latch 6 completely.Lower frame 14 is welded with trapezoid latch 13, mates with the inverted trapezoidal latch 18 of movable beam 16 both sides.
In order to ensure result of use, supporting leg 15 square steel used is 700 × 70 × 70mm, and supporting leg 15 lower weld has dull and stereotyped 20, and dull and stereotyped 20 are secured by bolts on basis.
Described upper frame 2 and lower frame 14 are of a size of the square steel composition of 2500 × 70 × 70mm and two, 1000 × 70 × 70mm by 2.Wherein 4 square steel head and the tail of upper frame 2 connect in turn, and two length of lower frame 14 are that the square steel of 1000mm is welded between two supporting legs 15 of testing table 1 Width respectively, and its lower surface is the square steel upper surface 190mm of 2500mm higher than length.
Described trapezoid latch 13 welds on the square steel long with lower frame 14 two 2500mm, and trapezoid latch 13 is isosceles trapezoid, and water table opening is 28mm, and base square is 50mm.
Described manual pump installing plate 3 is made for the steel plate being of a size of 870 × 350 × 10mm, and it has fixed orifice, is used for fixing manual pump 4, one jiao that is not connected with testing table 1 is carried out fillet process, and circular arc central angle is 90 °, radius 100mm.
Described cylinder mount plate 7 is of a size of 450 × 300 × 10mm, and weld rectangle latch 6 respectively in cylinder mount plate 7 upper surface both sides, rectangle latch 6 is of a size of 30 × 20 × 20mm.
Described hydraulic cylinder 10 and manual pump 4 form anchor rod drawing device, and hydraulic cylinder 10 stroke is 50mm, rated pressure 25T, internal diameter is 35mm, and manual pump 4 is of a size of 600 × 120 × 110mm, and oil reserve is 0.6L, be used for the flexible of hydraulic control cylinder 10, digital display meter directly can show the size of pressure.
Front apron 9 is made up of the steel plate being of a size of 100 × 100 × 10mm, and centre has the through hole that diameter is 20mm, and front apron 9 is used for blocking anchor pole 8 and hydraulic cylinder 10 moves forward.
Described fixture 21 has 6, inside surface is arc-shaped, match with the radian of steel pipe 17, there is bolt hole the both sides of fixture 21, and on two ends steel pipe 17 being fixed on lower frame 14 through screw bolt and nut and movable beam 16, steel pipe 17 is weldless steel tube, internal diameter is 100mm, long is 2000mm, and wall thickness is 3mm, and one end is closed.
Provided by Fig. 4-5, movable beam 16 adopts the square steel being of a size of 1140 × 70 × 35mm to make, inverted trapezoidal latch 18 and dividing plate 19 is welded with respectively at two ends, bottom surface, dividing plate is for being of a size of the steel plate of 170 × 50 × 10mm, inverted trapezoidal latch 18 is isosceles trapezoid, the long 50mm of upper base, go to the bottom long 72mm, matches with the trapezoid latch 13 of lower frame 14.
Provided by Fig. 6-7, backboard 11 is made up of the steel plate being of a size of 300 × 180 × 20mm, has a centring hole, be of a size of 100 × 25 × 20mm in centre position, and backboard 11 by moving forward the deficiency of compensating hydraulic cylinder 10 stroke on rectangle latch 6.
In order to reach result of use, steel pipe 17 one end is closed, that fixture 21 is fixed on square steel with screw bolt and nut in order to obtain better anchoring effect like this, and fixing tight, otherwise steel pipe can be pulled out, do not reach the object of drawing experiment, anchor pole 8 afterbody leaves the free segment of 200mm, reserves enough spaces can to like this hydraulic cylinder 10, pressure process must be slowly even, otherwise easily occur security incident.
Principle of work of the present utility model is as follows: experimental provision adopts testing table 1 as support, steel pipe 17 is adopted to simulate country rock, the anchor system be made up of anchor pole 8 and Anchor Agent and steel pipe 17 with on-the-spot anchor pole Surrounding Rock System relatively, hydraulic cylinder 10 is adopted to pressurize to anchor pole, along with slowly evenly increasing of pressure, obvious relative displacement can be produced between anchor pole and steel pipe, now record the data that pressue device digital display meter shows, this makes it possible to anchoring rod drawing experimentation that is virtually reality like reality.The maximum feature of the utility model is just to adopt movable beam 16 to fix steel pipe 17, namely by the movable needs that meet different length anchor pole of movable beam 16 on trapezoid latch 13, solve rock-bolt length shorter time, the bad fixing difficult problem of steel pipe, in addition, backboard 11 by moving forward the deficiency of compensating hydraulic cylinder 10 stroke on rectangle latch 6.
The utility model novel structure, cost is lower, and operability is comparatively strong, can record anchoring quality comparatively accurately, and effectively the generation of prevention coal mine roof plate accident, has good economic and social benefit.
Claims (11)
1. an anchor-holding force of anchor bolt experimental apparatus for testing, comprise testing table (1), anchor pole (8), steel pipe (17) and anchor rod drawing device, testing table (1) is by upper frame (2), lower frame (14), movable beam (16) forms, testing table (1) four angle is welded with four supporting legs (15) respectively, supporting leg (15) bottom welding circular dull and stereotyped (20), dull and stereotyped (20) are fixedly connected with ground by bolt, testing table (1) upper frame (2) is welded with manual pump installing plate (3), testing table (1) welding edges has cylinder mount plate (7), cylinder mount plate (7) both sides are welded with rectangle latch (6), backboard (11) can embed among rectangle latch (6) completely, lower frame (14) is welded with trapezoid latch (13), mate with the inverted trapezoidal latch (18) of movable beam (16) both sides.
2. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, the square steel that described supporting leg (15) is used is 700 × 70 × 70mm, and supporting leg (15) lower weld has flat board (20), and dull and stereotyped (20) are secured by bolts on basis.
3. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described upper frame (2) and lower frame (14) are of a size of the square steel composition of 2500 × 70 × 70mm and two, 1000 × 70 × 70mm by (2) root, wherein 4 square steel head and the tail of upper frame (2) connect in turn, two length of lower frame (14) are that the square steel of 1000mm is welded between two supporting legs (15) of testing table (1) Width respectively, and its lower surface is the square steel upper surface 190mm of 2500mm higher than length.
4. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described trapezoid latch (13) is welded on the long square steel of lower frame (14) two 2500mm, and trapezoid latch (13) is isosceles trapezoid, water table opening is 28mm, and base square is 50mm.
5. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described manual pump installing plate (3) is made for the steel plate being of a size of 870 × 350 × 10mm, it there is fixed orifice, be used for fixing manual pump (4), one jiao that is not connected with testing table (1) is carried out fillet process, and circular arc central angle is 90 °, radius 100mm.
6. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described cylinder mount plate (7) is of a size of 450 × 300 × 10mm, and weld rectangle latch (6) respectively in cylinder mount plate (7) upper surface both sides, it is of a size of 30 × 20 × 20mm.
7. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, hydraulic cylinder (10) and manual pump (4) form anchor rod drawing device, hydraulic cylinder (10) stroke is 50mm, rated pressure 25T, and internal diameter is 35mm, manual pump (4) is of a size of 600 × 120 × 110mm, oil reserve is 0.6L, is used for the flexible of hydraulic control cylinder (10), and digital display meter directly shows the size of pressure.
8. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, also comprise front apron (9), front apron (9) is made up of the steel plate being of a size of 100 × 100 × 10mm, centre has the through hole that diameter is 20mm, and front apron (9) is used for blocking anchor pole (8) and hydraulic cylinder (10) moves forward.
9. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, is characterized in that, also comprises fixture (21), fixture (21) has 6, inside surface is arc-shaped, and the radian of steel pipe (17) matches, and there is bolt hole the both sides of fixture (21), on two ends steel pipe (17) being fixed on lower frame (14) through screw bolt and nut and movable beam (16), steel pipe (17) is weldless steel tube, and internal diameter is 100mm, and long is 2000mm, wall thickness is 3mm, and one end is closed.
10. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described movable beam (16) adopts the square steel being of a size of 1140 × 70 × 35mm to make, inverted trapezoidal latch (18) and dividing plate (19) is welded with respectively at two ends, bottom surface, dividing plate is for being of a size of the steel plate of 170 × 50 × 10mm, and inverted trapezoidal latch (18) is isosceles trapezoid, the long 50mm of upper base, go to the bottom long 72mm, matches with the trapezoid latch (13) of lower frame (14).
11. anchor-holding force of anchor bolt experimental apparatus for testing according to claim 1, it is characterized in that, described backboard (11) is made up of the steel plate being of a size of 300 × 180 × 20mm, a centring hole (12) is had in centre position, be of a size of 100 × 25 × 20mm, backboard (11) by moving forward the deficiency of compensating hydraulic cylinder (10) stroke on rectangle latch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572919.8U CN204964087U (en) | 2015-07-31 | 2015-07-31 | Stock anchor power testing experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572919.8U CN204964087U (en) | 2015-07-31 | 2015-07-31 | Stock anchor power testing experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964087U true CN204964087U (en) | 2016-01-13 |
Family
ID=55059143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520572919.8U Expired - Fee Related CN204964087U (en) | 2015-07-31 | 2015-07-31 | Stock anchor power testing experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949997A (en) * | 2017-04-07 | 2017-07-14 | 陕西合阳风动工具有限责任公司 | A kind of detection means of spiral anchor rod anchor force |
| CN112647994A (en) * | 2021-01-29 | 2021-04-13 | 河南理工大学 | Anchor rod centering degree experiment device and method based on numerical control drilling machine |
-
2015
- 2015-07-31 CN CN201520572919.8U patent/CN204964087U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949997A (en) * | 2017-04-07 | 2017-07-14 | 陕西合阳风动工具有限责任公司 | A kind of detection means of spiral anchor rod anchor force |
| CN112647994A (en) * | 2021-01-29 | 2021-04-13 | 河南理工大学 | Anchor rod centering degree experiment device and method based on numerical control drilling machine |
| CN112647994B (en) * | 2021-01-29 | 2023-02-24 | 河南理工大学 | Anchor rod centering degree experiment device and method based on numerical control drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160731 |