CN203490131U - Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress - Google Patents
Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress Download PDFInfo
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- CN203490131U CN203490131U CN201320653800.4U CN201320653800U CN203490131U CN 203490131 U CN203490131 U CN 203490131U CN 201320653800 U CN201320653800 U CN 201320653800U CN 203490131 U CN203490131 U CN 203490131U
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Abstract
The utility model provides a pressurizing device for an anchor rod drawing experiment for simulating anchorage body surrounding rock stress. The pressurizing device comprises a rectangular framework with the sealed bottom, wherein a bearing transverse beam is welded on the top of the framework; left and right lateral wall parts of the framework are respectively welded with a left bearing vertical beam and a right bearing vertical beam; the bearing transverse beam is connected with a sliding beam and the sliding beam is connected with an upper jack; an upper loading plate is arranged below the upper jack; the right bearing vertical beam is connected with a lateral jack; a lateral loading plate is arranged on the left side of the lateral jack; a bearing plate is connected to the left bearing vertical beam. The pressurizing device for the anchor rod drawing experiment for simulating the anchorage body surrounding rock stress has the characteristics of reasonable design, simple structure and good loading effect, and is convenient to operate; a phenomenon that an experiment result and the anchor rod stressing in engineering practical application have great deviation due to the fact that an anchorage body is at a free state when an anchor rod drawing test is carried out and a real surrounding rock stress state cannot be simulated is overcome; meanwhile, the change condition of the surrounding rock stress can also be simulated and the conditions are provided for testing relative parameters of an anchor rod under a dynamic pressure condition.
Description
Technical field
The utility model relates to a kind of anchor rod drawing experimental provision, is specially a kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress.
Background technology
In order to guarantee better the safety in production of underground mine, effectively supported laneway and surrounding rock of chamber, improve bolt supporting quality, guarantees supporting intensity, must study anchor force influence factor and the transmission of bonding interface stress and Changing Pattern, develop and enrich anchoring support technology.Adopting experiment to simulate the actual conditions of anchoring, by correlation parameter, tested anchor force and anchor system are studied, is a kind of important channel of research anchor rod supporting theory and support technology.
For anchor rod drawing test seldom, most anchor rod drawings tests are without experimental provision for existing analogue experiment installation, or for mooring anchor solid and carry out the test of forces associated mathematic(al) parameter and simple and easy experiment porch is set.In experiment in the past, anchoring body, in free state, when this just causes carrying out anchor rod drawing test, cannot be simulated the real triaxiality state of Bolted Rock Masses, makes the effect of drawing and actual effect have relatively large deviation; Although the drawing that can carry out at the scene under full-scale condition detects, and is often subject to the restriction of the conditions such as space, safety, as bonding interface collapse state, shearing stress distribution and the situation of change etc. of anchor pole are difficult to observe and monitoring.Particularly tunneled and the unstable rock mass of mining effect in, the triaxiality state of Bolted Rock Masses constantly changes, dynamic pressure is also adopted in anchoring to be affected to change and even destroys.Most fastening destruction phenomenons occur in the continuous rock mass changing of stress condition.So method is by experiment simulated anchoring body surrouding rock stress state and dynamic pressure condition, monitoring anchoring correlation parameter situation of change contributes to supporting effect to assess, for production practices provide scientific basis.
Utility model content
The utility model object is to provide a kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress, to solve the problem proposing in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
A kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress, the rectangular frame that comprises bottom surface sealing, the welded top of framework has bearing beam, framework left and right sides portion of side is welded with respectively left carrying longeron and right carrying longeron, on described bearing beam, be connected with sliding beam, described sliding beam is connected on bearing beam by pulley, bearing beam is provided with the Limit screw that limit slippage beam slides, on described sliding beam, be connected with top lifting jack, lifting jack below in top is provided with load plate; On described right carrying longeron, be connected with side direction lifting jack, described side direction lifting jack is by the bracing frame maintenance horizontal positioned on fixing bottom surface, and the left side of side direction lifting jack is provided with side load plate; On described left carrying longeron, be connected with bearing plate, between above-mentioned upper load plate, side load plate, bearing plate, be provided with flat jack, described flat jack is arranged on the termination of framework one end, between described upper load plate, side load plate, bearing plate and flat jack, is filled with simulation material.In simulation material, anchoring has anchor pole, and anchor pole and simulation material have formed an anchoring body.
Further, before and after framework, both sides are provided with channel-section steel, and described flat jack is pressed close to the placement of rear side channel-section steel, and channel-section steel is born its load-carrying construction.
Further, described side load plate is fixed by screws on framework bottom surface.When simulation material is filled, by screw, side load plate is fixed on framework bottom surface, while loading, removes screw connection it is moved freely, guarantee the loading of power.
In the utility model, sliding beam slides to change the position of top lifting jack on bearing beam, when carrying out simulation material filling, sliding beam is moved to side direction lifting jack top, be convenient to the filling of simulation material, during loading, by Limit screw, fix sliding beam.Described flat jack is used for carrying out triaxiality simulated experiment, only carries out two-dimensional stress simulation while removing flat jack.
The beneficial effects of the utility model are: the utlity model has reasonable in design, simple in structure, easy to operate, load effective feature; Having overcome carrying out anchor rod drawing when test anchoring body in free state cannot Reality simulation surrouding rock stress state, makes the rockbolt stress in experimental result and practical implementation have the very phenomenon of large deviation; Can also simulate surrouding rock stress situation of change, condition is provided while testing for anchor pole correlation parameter under dynamic pressure condition simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the syndeton schematic diagram of the utility model sliding beam.
Embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the utility model.
As shown in Fig. 1～4, a kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress, the rectangular frame 1 that comprises bottom surface sealing, the welded top of framework 1 has bearing beam 2, framework 1 left and right sides portion of side is welded with respectively left carrying longeron 3 ' and right carrying longeron 3, on described bearing beam 2, be connected with sliding beam 4, described sliding beam 4 is connected on bearing beam 2 by pulley 6, bearing beam 2 is provided with the Limit screw 7 that limit slippage beam 4 slides, on described sliding beam 4, be connected with top lifting jack 5, lifting jack 5 belows in top are provided with load plate 11; On described right carrying longeron 3, be connected with side direction lifting jack 8, described side direction lifting jack 8 is by the bracing frame 9 maintenance horizontal positioned on fixing bottom surface, and the left side of side direction lifting jack 8 is provided with side load plate 12; On described left carrying longeron 3 ', be connected with bearing plate 10, between above-mentioned upper load plate 11, side load plate 12, bearing plate 10, be provided with flat jack 13, described flat jack 13 is arranged on the termination of framework 1 one end, between described upper load plate 11, side load plate 12, bearing plate 10 and flat jack 13, is filled with simulation material.In simulation material, anchoring has anchor pole, and anchor pole and simulation material have formed an anchoring body.
In the utility model, framework 1 both sides, front and back are provided with channel-section steel 14, and described flat jack 13 is pressed close to the placement of rear side channel-section steel, and channel-section steel is born its load-carrying construction.Described side load plate 12 is fixed by screws on framework 1 bottom surface.When simulation material is filled, by screw, side load plate 12 is fixed on framework 1 bottom surface, while loading, removes screw connection it is moved freely, guarantee the loading of power.
In the utility model, sliding beam 4 slides to change the position of top lifting jack 5 on bearing beam 2, when carrying out simulation material filling, sliding beam 4 is moved to side direction lifting jack 8 tops, be convenient to the filling of simulation material, during loading, by Limit screw 7, fix sliding beam 4.Described flat jack 13, for carrying out triaxiality simulated experiment, only carries out two-dimensional stress simulation while removing flat jack 13.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the pressue device of an anchor rod drawing experiment of simulating anchoring body surrouding rock stress, the rectangular frame that comprises bottom surface sealing, it is characterized in that: the welded top of framework has bearing beam, framework left and right sides portion of side is welded with respectively left carrying longeron and right carrying longeron, on described bearing beam, be connected with sliding beam, described sliding beam is connected on bearing beam by pulley, bearing beam is provided with the Limit screw that limit slippage beam slides, on described sliding beam, be connected with top lifting jack, lifting jack below in top is provided with load plate; On described right carrying longeron, be connected with side direction lifting jack, described side direction lifting jack is by the bracing frame maintenance horizontal positioned on fixing bottom surface, and the left side of side direction lifting jack is provided with side load plate; On described left carrying longeron, be connected with bearing plate, between above-mentioned upper load plate, side load plate, bearing plate, be provided with flat jack, described flat jack is arranged on the termination of framework one end, between described upper load plate, side load plate, bearing plate and flat jack, is filled with simulation material.
2. a kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress according to claim 1, is characterized in that: before and after framework, both sides are provided with channel-section steel, and described flat jack is pressed close to the placement of rear side channel-section steel, and channel-section steel is born its load-carrying construction.
3. the pressue device that a kind of anchor rod drawing of simulating anchoring body surrouding rock stress according to claim 1 is tested, it is characterized in that: described side load plate is fixed by screws on framework bottom surface, when filling, simulation material by screw, side load plate is fixed on framework bottom surface, while loading, remove screw connection it is moved freely, guarantee the loading of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653800.4U CN203490131U (en) | 2013-10-22 | 2013-10-22 | Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653800.4U CN203490131U (en) | 2013-10-22 | 2013-10-22 | Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress |
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| CN203490131U true CN203490131U (en) | 2014-03-19 |
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| CN201320653800.4U Expired - Fee Related CN203490131U (en) | 2013-10-22 | 2013-10-22 | Pressurizing device for anchor rod drawing experiment for simulating anchorage body surrounding rock stress |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512805A (en) * | 2013-10-22 | 2014-01-15 | 安徽理工大学 | Pressurizing device for anchor rod pull-out test for simulating surrounding rock stress of anchoring body |
| CN103971585A (en) * | 2014-05-15 | 2014-08-06 | 山东科技大学 | Device and method for simulation test of load-carrying property of gob-side entry retaining anchoring pack wall |
| CN105445099A (en) * | 2015-12-14 | 2016-03-30 | 榆林学院 | Experiment apparatus for observing generation and development of concrete cracks |
| CN108169005A (en) * | 2018-01-05 | 2018-06-15 | 河北建筑工程学院 | A kind of anchor pole dynamic pull-out test device for the soil body |
| CN108755788A (en) * | 2018-06-29 | 2018-11-06 | 东北大学 | A kind of pull-out test loading device |
| CN113588412A (en) * | 2021-07-28 | 2021-11-02 | 东北大学 | Surrounding rock stability test fixture and test method |
-
2013
- 2013-10-22 CN CN201320653800.4U patent/CN203490131U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512805A (en) * | 2013-10-22 | 2014-01-15 | 安徽理工大学 | Pressurizing device for anchor rod pull-out test for simulating surrounding rock stress of anchoring body |
| CN103512805B (en) * | 2013-10-22 | 2015-12-30 | 安徽理工大学 | A kind of pressue device of simulating the anchor rod drawing experiment of anchoring body surrouding rock stress |
| CN103971585A (en) * | 2014-05-15 | 2014-08-06 | 山东科技大学 | Device and method for simulation test of load-carrying property of gob-side entry retaining anchoring pack wall |
| CN103971585B (en) * | 2014-05-15 | 2015-12-16 | 山东科技大学 | The simulating test device of gob-side entry retaining anchoring pack wall load-carrying properties and method of testing |
| CN105445099A (en) * | 2015-12-14 | 2016-03-30 | 榆林学院 | Experiment apparatus for observing generation and development of concrete cracks |
| CN108169005A (en) * | 2018-01-05 | 2018-06-15 | 河北建筑工程学院 | A kind of anchor pole dynamic pull-out test device for the soil body |
| CN108755788A (en) * | 2018-06-29 | 2018-11-06 | 东北大学 | A kind of pull-out test loading device |
| CN113588412A (en) * | 2021-07-28 | 2021-11-02 | 东北大学 | Surrounding rock stability test fixture and test method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20151022 |
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| EXPY | Termination of patent right or utility model |