CN205404292U - Triaxial pressurization mine roof blocking material capability test device - Google Patents
Triaxial pressurization mine roof blocking material capability test device Download PDFInfo
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- CN205404292U CN205404292U CN201620154602.7U CN201620154602U CN205404292U CN 205404292 U CN205404292 U CN 205404292U CN 201620154602 U CN201620154602 U CN 201620154602U CN 205404292 U CN205404292 U CN 205404292U
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Abstract
The utility model discloses a triaxial pressurization mine roof blocking material capability test device, include tunnel system, vertical pressurization system, horizontal pressurization system, vertical pressurization system and layer board system, the tunnel system has two landing legs, and the connection of longitudinal arch shape face is passed through to the upper end of two landing legs, and horizontal pressurization system has the horizontal increased pressure board that is used for loading lateral pressure, vertical pressurization system has the space of filling of the vertical increased pressure board that is used for the load longitudinal pressure, the horizontal increased pressure board and the hoarding one -tenth test block of vertically pressurizeing, longitudinal arch shape face is located the part of filling the space and has the arch through -hole, and the layer board system has the arch layer board that is used for sealing the arch through -hole, and vertical pressurization system is used for the vertical pressure of loading. The utility model discloses the stress state that fractured roof located, the effectual capability test who carries out blocking material can comparatively really react.
Description
Technical field
This utility model relates to material properties test technical field, particularly to a kind of three axle pressurization mine roof reinforcement material performance testing devices.
Background technology
Along with the increase of the expansion of coal mining scope and the degree of depth, unstable and extremely unstable fractured coal and rock grows with each passing day, and breaking roof easily causes roof collapse accident, brings safely serious threat to underground coal mine.
For coal and rock smashed to pieces, coal and rock improves Coal-body Structure smashed to pieces and performance thereof by slip casting, it is possible to effectively solve the puzzlement that roof accident coal supply mine belt comes.The injecting paste material of superperformance becomes the key solving roof accident, is adopting injecting paste material of good performance currently also successively, and is checking the testing equipment of injecting paste material performance to be not kept pace with the paces in epoch.
At present, the way that detection injecting paste material performance is commonly used is according to JC/T2041-2010 " polyurethane fill material " standard, utilizes the mechanical property of servo-pressing machine test material.This method is simple, but this method can not truly reflect the actual environment at scene, and the little test block chosen is difficult to the time of day after reflection breaking roof slip casting.
In consideration of it, the present inventor develops a kind of three axle pressurization mine roof reinforcement material performance testing devices for this, effectively solving the problems referred to above, this case thus produces.
Utility model content
The one three axle pressurization mine roof reinforcement material performance testing device that this utility model provides, by the test that this performance testing device carries out, it is possible to reaction stress state residing for breaking roof comparatively really, effectively carries out the performance test of reinforcement material.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of three axle pressurization mine roof reinforcement material performance testing devices, including roadway system, vertical compression system, horizontal compression system, longitudinal pressing system and carrier system, roadway system has two supporting legs, longitudinal arched connection is passed through in the upper end of two supporting legs, horizontal compression system has two horizontal increased pressure boards, two horizontal increased pressure boards are arranged on supporting leg in transversely movable mode and lay respectively at the both sides of longitudinal arched, and horizontal compression system drives horizontal increased pressure board transverse shifting to load transverse pressure；Longitudinal pressing system has two longitudinal pressing plates, two longitudinal pressing plates are arranged on supporting leg in the way of longitudinally movable and lay respectively on longitudinal arched, the bottom of longitudinal pressing plate has the longitudinal arched hole consistent with longitudinal arched shape size, and longitudinal pressing system drive longitudinal pressing plate vertically moves loading longitudinal pressure；Horizontal increased pressure board and longitudinal pressing plate surround the space of filling of test block, and horizontal increased pressure board and/or longitudinal pressing plate have scalability；Longitudinal arched face is positioned at the part filling space and has arch through hole, carrier system for supporting test block is arranged between two supporting legs, carrier system has the arch supporting plate for sealing arch through hole, vertical compression system has vertical increased pressure board, vertical increased pressure board is placed in the top filling space, drives vertical increased pressure board to move downward loading vertical pressure by vertical compression system.
A described arch through hole supporting leg from which extends to another supporting leg, and the space constituted between two supporting legs is as the up and down slideway of arch supporting plate.
Described carrier system also includes hydraulic lifting post, four cylinder lock units, pressure duct, Pressure gauge, valve and pressurizing control system, the corner place of arch supporting plate is mounted on hydraulic lifting post, each hydraulic lifting post connects respectively through four outlets of pressure duct and four cylinder lock units, the entrance of four cylinder lock units is then connected by another pressure duct and pressurizing control system, being provided with valve and Pressure gauge on this another pressure duct, arch supporting plate seals arch through hole by hydraulic lifting post or leaves arch through hole.
Described vertical compression system also includes the fixing connection of hydraulic means and hydraulic control system, vertical increased pressure board and hydraulic means, and hydraulic control system controls hydraulic means work, and hydraulic means drives vertical increased pressure board to pressurize downwards or upwards release.
Being formed with transverse slipway on described supporting leg, horizontal concrete chute is formed at the bottom of corresponding horizontal increased pressure board, and described supporting leg is formed end slipway, and longitudinal chute is formed at the bottom of corresponding longitudinal pressing plate.
Described horizontal increased pressure board has scalability, and horizontal increased pressure board is placed between longitudinal pressing plate, and the dual-side of horizontal concrete chute is provided with baffle plate by regulating spring, and transverse slipway is placed between two baffle plates.
Described horizontal compression system has the push rod that laterally pressurizes, and promotes horizontal increased pressure board to move by laterally pressurization push rod, and described longitudinal pressing system has longitudinal pressing push rod, promotes longitudinal pressing plate to move by longitudinal pressing push rod.
After adopting such scheme, when this utility model uses, directly surround filling of test block at horizontal increased pressure board and longitudinal pressing plate and in space, make test block, and fill fill in space stone terminate time, namely by horizontal compression system and the horizontal and vertical pressure of longitudinal pressing system loads, with actual suffered confined pressure on-the-spot before simulating roof reinforcement, then serosity is tested in filling again.And the drying stage in test block also applies vertical pressure and the confined pressure of simulated ground stress situation, enable the practical situation that the forming process actual response of test block is on-the-spot.After test block is completely dried, then removing the arch supporting plate of supported underneath, the test block bottom making arch through hole is unsettled, the practical situation of simulated field top board.Finally continue test block is added vertical pressure, until the broken inbreak of test block, thus measuring the triaxial shear strength of test block.Therefore this utility model can react the stress state residing for breaking roof comparatively really, effectively carries out the performance test of reinforcement material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the structural representation of the present embodiment roadway system；
Fig. 3 is the top view of the present embodiment roadway system；
Fig. 4 is the structural representation of the present embodiment carrier system；
Fig. 5 is the structural representation of the present embodiment transverse direction increased pressure board；
Fig. 6 is the structural representation of the present embodiment longitudinal pressing plate.
Label declaration
Roadway system 1, supporting leg 11, longitudinal arched face 12, transverse slipway 13, end slipway 14, arch through hole 15, vertical compression system 2, vertical increased pressure board 21, hydraulic means 22, hydraulic control system 23, horizontal compression system 3, horizontal increased pressure board 31, horizontal concrete chute 311, rubber slab 312, regulate spring 313, baffle plate 314, laterally pressurization push rod 32, longitudinal pressing system 4, longitudinal pressing plate 41, longitudinal arched hole 411, longitudinal chute 412, longitudinal pressing push rod 42, carrier system 5, arch supporting plate 51, hydraulic lifting post 52, four cylinder lock units 53, pressure duct 54, Pressure gauge 55, valve 56, pressurizing control system 57, fill space 6, stone 7.
Detailed description of the invention
In order to the technical solution of the utility model is explained further, below by specific embodiment, the utility model is elaborated.
As it is shown in figure 1, be the one three axle pressurization mine roof reinforcement material performance testing device that discloses of this utility model, including roadway system 1, vertical compression system 2, horizontal compression system 3, longitudinal pressing system 4 and carrier system 5.
Shown in Fig. 2, roadway system 1 has two supporting legs 11, and the upper end of two supporting legs 11 is connected by longitudinal arched face 12.
Horizontal compression system 3 has two horizontal increased pressure boards 31, and two horizontal increased pressure boards 31 are arranged on supporting leg 11 in transversely movable mode, and lay respectively at the both sides in longitudinal arched face 12.As Figure 2-3, wherein supporting leg 11 is formed with transverse slipway 13, as it is shown in figure 5, horizontal concrete chute 311 is formed at the bottom of corresponding horizontal increased pressure board 31, by horizontal concrete chute 311 and transverse slipway 13 coordinate realize horizontal increased pressure board 31 can lateral movability.Horizontal compression system 3 drives horizontal increased pressure board 31 transverse shifting, to load transverse pressure.Wherein horizontal compression system 3 has laterally pressurization push rod 32, promotes horizontal increased pressure board 31 transverse shifting by laterally pressurization push rod 32, and laterally pressurization push rod 32 can be hydraulic pressure, air pressure or motorized motions mode.
Longitudinal pressing system 4 has two longitudinal pressing plates 41, two longitudinal pressing plates 41 are arranged on supporting leg 11 in the way of longitudinally movable, and lay respectively on longitudinal arched face 12, as shown in Figure 6, the bottom of longitudinal pressing plate 41 has the longitudinal arched hole 411 consistent with longitudinal arched face 12 shape size.As Figure 2-3, wherein forming end slipway 14 on supporting leg 11, longitudinal chute 412 is formed at the bottom of corresponding longitudinal pressing plate 41, is realized the longitudinally movable property of longitudinal pressing plate 41 by the cooperation of longitudinal chute 412 and end slipway 14.Longitudinal pressing system 4 drives longitudinal pressing plate 41 to vertically move loading longitudinal pressure, wherein longitudinal pressing system 4 has longitudinal pressing push rod 42, promoting longitudinal pressing plate 41 to move by longitudinal pressing push rod 42, longitudinal pressing push rod 42 can be hydraulic pressure, air pressure or motorized motions mode.
What horizontal increased pressure board 31 and longitudinal pressing plate 41 surrounded test block fills space 6.Horizontal increased pressure board 31 and/or longitudinal pressing plate 41 have scalability, and otherwise the space 6 of filling of its composition does not have the compressibility of horizontal direction, is namely absent from confined pressure.
Owing to longitudinal pressing plate 41 bottom has longitudinal arched hole 411, therefore its compressible space is less, preferably employ horizontal increased pressure board 31 for this present embodiment and there is scalability, and transverse direction increased pressure board 31 is placed between longitudinal pressing plate 41, when such longitudinal pressing plate 41 moves inward, horizontal increased pressure board 31 can be promoted to compress, and horizontal increased pressure board 31 also can move inward simultaneously, thus completing horizontal and vertical pressure-loaded.As it is shown in figure 5, specifically horizontal increased pressure board 31 can be separated into more than two sections, connect by rubber slab 312 is fixing between every section, realize scalability by rubber slab 312.Scalability due to horizontal increased pressure board 31, between two horizontal concrete chutes 311, spacing also can change, thus causing horizontal concrete chute 311 and the unmatched problem of transverse slipway 13, for solving this problem, the dual-side of horizontal concrete chute 311 is provided with baffle plate 314 by regulating spring 313, and transverse slipway 13 is placed between two baffle plates 314.By regulating the adjustment effect of spring 313, change the distance between two baffle plates 314 flexibly, to ensure that horizontal concrete chute 311 matches with transverse slipway 13 all the time.
As Figure 1-3, longitudinal arched face 12 is positioned at the part filling space 6 and has arch through hole 15, carrier system 5 is arranged between two supporting legs 11, and carrier system 5 has the arch supporting plate 51 for sealing arch through hole 15, is supported the test block in making by arch supporting plate 51.Wherein arch through hole 15 supporting leg 11 from which extends to another supporting leg 11, and the space constituted between two supporting legs 11 is as the up and down slideway of arch supporting plate 51, and therefore supporting plate is along two supporting leg 11 upward slidings, can be sealed by arch through hole 15 accurately.
As shown in Figure 4, carrier system 5 also includes hydraulic lifting post 52, four cylinder lock units 53, pressure duct 54, Pressure gauge 55, valve 56 and pressurizing control system 57, the corner place of arch supporting plate 51 is mounted on hydraulic lifting post 52, each hydraulic lifting post 52 connects respectively through four outlets of pressure duct 54 and four cylinder lock units 53, the entrance of four cylinder lock units 53 is then connected by another pressure duct 54 and pressurizing control system 57, this another pressure duct 54 is provided with valve 56 and Pressure gauge 55, arch supporting plate 51 is sealed arch through hole 15 by hydraulic lifting post 52 or is left arch through hole 15, ensure that four hydraulic lifting posts 52 have same pressure by four cylinder lock units 53, pressure size is controlled by pressurizing control system 57.
As it is shown in figure 1, vertical compression system 2 has vertical increased pressure board 21, vertical increased pressure board 21 is placed in the top filling space 6, drives vertical increased pressure board 21 to move downward loading vertical pressure by vertical compression system 2.Vertical compression system 2 also includes hydraulic means 22 and hydraulic control system 23, vertical increased pressure board 21 and the fixing connection of hydraulic means 22, and hydraulic control system 23 controls hydraulic means 22 and works, and hydraulic means 22 drives vertical increased pressure board 21 to pressurize downwards or upwards release.
The experimentation of the present embodiment is as follows:
(1) Preparatory work of experiment: the foreign material in cleaning roadway system 1, it is ensured that transverse slipway 13 and do not have foreign body on end slipway 14.
(2) equipment is installed: be placed on the longitudinal arched face 12 of roadway system 1 by longitudinal pressing plate 41, makes longitudinal chute 412 match corresponding with end slipway 14.Horizontal increased pressure board 31 is placed on the supporting leg 11 of roadway system 1, makes horizontal concrete chute 311 match corresponding with transverse slipway 13, make horizontal increased pressure board 31 be between two longitudinal pressing plates 41 simultaneously.Again longitudinal pressing plate 41 is connected with longitudinal pressing push rod 42, horizontal increased pressure board 31 is connected with laterally pressurization push rod 32.
(3) breaking roof is formed: being placed into by carrier system 5 between two supporting legs 11 of roadway system 1, the arch through hole 15 risen to roadway system 1 is in sustained height by arch supporting plate 51 to utilize pressurizing control system 57, seals arch through hole 15.Then fill one layer of Polypropylence Sheet of paving in space 6 what longitudinal pressing plate 41, horizontal increased pressure board 31 were formed, make Polypropylence Sheet exceed increased pressure board top edge 5 ~ 10cm.According to natural grading, select corresponding stone 7, stone 7 is put into Polypropylence Sheet formed space, until stone 7 height with fill space 6 be substantially at sustained height time, stop add stone 7.
(4) confined pressure is loaded: utilize longitudinal pressing push rod 42 to promote longitudinal pressing plate 41, laterally pressurization push rod 32 is utilized to promote horizontal increased pressure board 31, to apply pressure, when pressure reaches setting pressure half, stop longitudinal pressing, continue horizontal pressurization, when transverse pressure reaches setting value, it is further continued for longitudinal pressing, until it reaches setting pressure, maintains confined pressure.
(5) slip casting: utilize existing grouting pump by pipeline from stone 7 top injection experiments serosity, when serosity rises to stone 7 top, stops slip casting.
(6) formed to be tested soon: control hydraulic means 22 by hydraulic control system 23 and drive vertical increased pressure board 21, stone 7 is applied vertical pressure, when pressure reaches setting pressure, stop pressure.
(7) failure test: after slip casting terminates 24h solidification, carrier system 5 is removed roadway system 1, make the solidification test block being positioned at longitudinal hole place unsettled, recycle vertical increased pressure board 21 and test block is continued to vertical pressure, make confined pressure be maintained at setting value constant simultaneously, until the broken inbreak of test block, measure the actual comprcssive strength of test block thereby through experiment.
The present embodiment directly surrounds filling of test block at horizontal increased pressure board 31 and longitudinal pressing plate 41 and makes test block in space 6, and fill fill in space 6 stone 7 terminate time, namely horizontal and vertical pressure is loaded by horizontal compression system 3 and longitudinal pressing system 4, with actual suffered confined pressure on-the-spot before simulating roof reinforcement, then serosity is tested in filling again.And the drying stage in test block also applies vertical pressure and the confined pressure of simulated ground stress situation, enable the practical situation that the forming process actual response of test block is on-the-spot.After test block is completely dried, then removing the arch supporting plate 51 of supported underneath, the test block bottom making arch through hole 15 place is unsettled, the practical situation of simulated field top board.Finally continue test block is added vertical pressure, until the broken inbreak of test block, thus measuring the triaxial shear strength of test block.Therefore this utility model can react the stress state residing for breaking roof comparatively really, effectively carries out the performance test of reinforcement material.
These are only preferred embodiment of the present utility model, not the restriction to protection domain of the present utility model.All equivalent variations done according to the mentality of designing of this case, each fall within the protection domain of this case.
Claims (7)
1. an axle pressurization mine roof reinforcement material performance testing device, it is characterized in that: include roadway system, vertical compression system, horizontal compression system, longitudinal pressing system and carrier system, roadway system has two supporting legs, longitudinal arched connection is passed through in the upper end of two supporting legs, horizontal compression system has two horizontal increased pressure boards, two horizontal increased pressure boards are arranged on supporting leg in transversely movable mode and lay respectively at the both sides of longitudinal arched, and horizontal compression system drives horizontal increased pressure board transverse shifting to load transverse pressure；Longitudinal pressing system has two longitudinal pressing plates, two longitudinal pressing plates are arranged on supporting leg in the way of longitudinally movable and lay respectively on longitudinal arched, the bottom of longitudinal pressing plate has the longitudinal arched hole consistent with longitudinal arched shape size, and longitudinal pressing system drive longitudinal pressing plate vertically moves loading longitudinal pressure；Horizontal increased pressure board and longitudinal pressing plate surround the space of filling of test block, and horizontal increased pressure board and/or longitudinal pressing plate have scalability；Longitudinal arched face is positioned at the part filling space and has arch through hole, carrier system for supporting test block is arranged between two supporting legs, carrier system has the arch supporting plate for sealing arch through hole, vertical compression system has vertical increased pressure board, vertical increased pressure board is placed in the top filling space, drives vertical increased pressure board to move downward loading vertical pressure by vertical compression system.
2. a kind of three axles pressurization mine roof reinforcement material performance testing devices as claimed in claim 1, it is characterised in that: a described arch through hole supporting leg from which extends to another supporting leg, and the space constituted between two supporting legs is as the up and down slideway of arch supporting plate.
3. as claimed in claim 1 a kind of three axles pressurization mine roof reinforcement material performance testing devices, it is characterized in that: described carrier system also includes hydraulic lifting post, four cylinder lock units, pressure duct, Pressure gauge, valve and pressurizing control system, the corner place of arch supporting plate is mounted on hydraulic lifting post, each hydraulic lifting post connects respectively through four outlets of pressure duct and four cylinder lock units, the entrance of four cylinder lock units is then connected by another pressure duct and pressurizing control system, this another pressure duct is provided with valve and Pressure gauge, arch supporting plate seals arch through hole by hydraulic lifting post or leaves arch through hole.
4. as claimed in claim 1 a kind of three axles pressurization mine roof reinforcement material performance testing devices, it is characterized in that: described vertical compression system also includes hydraulic means and hydraulic control system, vertical increased pressure board and the fixing connection of hydraulic means, hydraulic control system controls hydraulic means work, and hydraulic means drives vertical increased pressure board to pressurize downwards or upwards release.
5. as claimed in claim 1 a kind of three axles pressurization mine roof reinforcement material performance testing devices, it is characterized in that: described supporting leg is formed with transverse slipway, horizontal concrete chute is formed at the bottom of corresponding horizontal increased pressure board, forming end slipway on described supporting leg, longitudinal chute is formed at the bottom of corresponding longitudinal pressing plate.
6. as claimed in claim 1 a kind of three axles pressurization mine roof reinforcement material performance testing devices, it is characterized in that: described horizontal increased pressure board has scalability, horizontal increased pressure board is placed between longitudinal pressing plate, the dual-side of horizontal concrete chute is provided with baffle plate by regulating spring, and transverse slipway is placed between two baffle plates.
7. as claimed in claim 1 a kind of three axles pressurization mine roof reinforcement material performance testing devices, it is characterized in that: described horizontal compression system has the push rod that laterally pressurizes, horizontal increased pressure board is promoted to move by laterally pressurization push rod, described longitudinal pressing system has longitudinal pressing push rod, promotes longitudinal pressing plate to move by longitudinal pressing push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154602.7U CN205404292U (en) | 2016-03-01 | 2016-03-01 | Triaxial pressurization mine roof blocking material capability test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154602.7U CN205404292U (en) | 2016-03-01 | 2016-03-01 | Triaxial pressurization mine roof blocking material capability test device |
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| CN205404292U true CN205404292U (en) | 2016-07-27 |
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| CN201620154602.7U Expired - Fee Related CN205404292U (en) | 2016-03-01 | 2016-03-01 | Triaxial pressurization mine roof blocking material capability test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526998A (en) * | 2021-12-30 | 2022-05-24 | 中国人民解放军总参谋部第六十研究所 | Static test system and test method under arch structure confining pressure environment |
-
2016
- 2016-03-01 CN CN201620154602.7U patent/CN205404292U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526998A (en) * | 2021-12-30 | 2022-05-24 | 中国人民解放军总参谋部第六十研究所 | Static test system and test method under arch structure confining pressure environment |
| CN114526998B (en) * | 2021-12-30 | 2023-08-22 | 中国人民解放军总参谋部第六十研究所 | Static test system and test method under confining pressure environment of arch structure |
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| Date | Code | Title | Description |
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| 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: 20160727 Termination date: 20200301 |