CN208140501U - A kind of rock multi-function scissor tests test equipment conscientiously - Google Patents
A kind of rock multi-function scissor tests test equipment conscientiously Download PDFInfo
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- CN208140501U CN208140501U CN201820373378.XU CN201820373378U CN208140501U CN 208140501 U CN208140501 U CN 208140501U CN 201820373378 U CN201820373378 U CN 201820373378U CN 208140501 U CN208140501 U CN 208140501U
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Abstract
The utility model discloses a kind of rock multi-function scissors to test test equipment conscientiously, longitudinal loading frame arrangement is on the base, vertical jack is installed on the corresponding position of longitudinal loading frame, the first mounting plate and the second mounting plate are provided on pedestal, lower shear box is fixedly installed in pedestal corresponding position, and a side of lower shear box is fixedly connected with the first mounting plate, upper shear box is arranged on lower shear box, and upper shear box is to be slidably connected with the lower shear box；It is provided with platen on the piston extension bar of vertical jack, platen is pressed on the upper surface of shear box；Level jack is arranged on the second mounting plate, and the piston extension bar of level jack is directed toward upper shear box, and push top is provided on the piston extension bar of level jack, and push top resists shear box close to the side of the second mounting plate.Prevent sample extrusion that can generate moment of flexure, stress point is not easy to be maintained at the defect at center when overcoming test in the prior art, improves the accuracy of rock shearing data.
Description
Technical field
The utility model relates to rock shearing experimental technique field more particularly to a kind of practical test examinations of rock multi-function scissor
Equipment.
Background technique
Rock shearing test is to measure the test of rock and shear strength of rock index, can be divided into interior by experimental condition and cut
Test and Situ Computation are cut, according to different geological conditions and engineering practice requirement, the shearing test of rock (body) is again
Anti-cut test, friction test and Shear test can be divided into.Currently, common direct shear test mainly under conditions of no confining pressure into
Row can obtain the shear strength of fixed single failure mechanics, but stress point when test is not easy to be maintained at center, and moment of flexure becomes
Change it is excessive be easy to easily lead to rock twist off rather than pure shear, will affect the accuracy of test data in this way, can not obtain
The truthful data of rock shearing.Therefore, the prior art needs further improvement and develops.
Utility model content
In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of multi-functional shearing experiments of rock
Test equipment, stress point is not easy to be maintained at center when overcoming test in the prior art, moment of flexure easily lead to rock twist off and
It is not the defect of pure shear.
In order to solve the above technical problems, the utility model includes：
A kind of rock multi-function scissor tests test equipment conscientiously comprising longitudinal loading frame, pedestal, vertical jack, water
Flat jack, upper shear box, lower shear box, on the base, vertical jack is installed on longitudinal load to longitudinal loading frame arrangement
The corresponding position of frame is provided with the first mounting plate and the second mounting plate on pedestal, and lower shear box is fixedly installed in pedestal corresponding position,
And a side of lower shear box is fixedly connected with the first mounting plate, upper shear box is arranged on lower shear box, upper shear box with
The lower shear box is to be slidably connected；
It is provided with platen on the piston extension bar of vertical jack, platen is pressed on the upper surface of shear box；Level thousand
Jin top is arranged on the second mounting plate, and the piston extension bar of level jack is directed toward upper shear box, and the piston of level jack is stretched
Push top is provided on rod, push top resists shear box close to the side of the second mounting plate.
The rock multi-function scissor tests test equipment conscientiously, wherein and the bottom end setting of above-mentioned upper shear box is fluted, under
The top of shear box is arranged in groove in the draw runner for being provided with protrusion with groove corresponding position, draw runner, and groove is adapted with draw runner.
The rock multi-function scissor tests test equipment conscientiously, wherein above-mentioned upper shear box is close to the second mounting plate
Side is provided with block, which is in " ┒ " shape, and the horizontal part of block is directed toward groove, applies horizontal pressure for upward shear box
The lower end of power, the vertical portion of block extends to pedestal direction, extends the contact surface of upper shear box and lower shear box, and block is perpendicular
Straight portion is fixedly connected with above-mentioned push top.
The rock multi-function scissor tests test equipment conscientiously, wherein is respectively provided in above-mentioned upper shear box and lower shear box
There is first hole, the two is adapted, and the first spacer is provided in the first hole of upper shear box, in the first hole of lower shear box
It is provided with the second spacer, the first spacer and the second spacer match, second hole is formed in upper shear box and lower shear box, the
Two square holes are for arranging sample.
The rock multi-function scissor tests test equipment conscientiously, wherein above-mentioned upper shear box top is provided with hole, in the hole
It is provided with cover board, cover board doubles as the upper surface of upper shear box, being provided with vertical displacement sensor on cover board, upper shear box is close
Horizontal displacement sensors are provided on the side of second mounting plate.
The rock multi-function scissor tests test equipment conscientiously, wherein sets on the piston extension bar of above-mentioned vertical jack
It is equipped with pressure at right angle sensor, is provided with horizontal pressure force sensor on the piston extension bar of level jack.
The rock multi-function scissor tests test equipment conscientiously, wherein be provided in said base first manual oil pump and
Second hand oil pump, first manual oil pump are connected with level jack by corresponding oil pipe；Second hand oil pump with it is vertical
Jack is connected by corresponding oil pipe.
The rock multi-function scissor tests test equipment conscientiously, wherein above-mentioned platen connects with the upper surface of upper shear box
The bottom surface of touching is spherical shape.
The rock multi-function scissor tests test equipment conscientiously, wherein it is above-mentioned longitudinal direction loading frame include four columns and
Top plate, four columns are to be detachably connected with pedestal, and four columns are to be threadedly coupled, and be provided with nut fastening, top with top plate
The center of plate is overlapped with the center of the rectangle frame of four columns formation, and mounting hole is provided on top plate, and vertical jack passes through peace
Dress hole is fixedly connected on the center of top plate, the center of upper shear box, the center of lower shear box and four columns formation square
The center of shape frame is overlapped, and shear box and the center line of lower shear box is made to coincide with the center line of vertical jack.
A kind of rock multi-function scissor provided by the utility model tests test equipment conscientiously, and sample rock block to be tested is put
It is placed in lower shear box, covers shear box, the push top when loading level jack, on the piston extension bar of level jack
The corresponding side surface of shear box is resisted, shear box in promotion slides shear box relative to lower shear box, and at this time vertical thousand
Platen on the piston extension bar on jin top pushes down the upper surface of shear box, it is therefore prevented that and sample extrusion can generate moment of flexure,
By continuous loading level jack, while vertical jack is also constantly loaded, shears sample in shear box always
Power, by shearing force acting surface always in the contact surface of upper and lower shear box, it is ensured that the accuracy of test data overcomes existing
Stress point is not easy to be maintained at center when technology pilot is tested, moment of flexure easily lead to rock twist off rather than the defect of pure shear, mention
The high accuracy of rock shearing data.
Detailed description of the invention
Fig. 1 tests showing for test equipment for the rock multi-function scissor provided in the first embodiment of the utility model conscientiously
It is intended to；
Fig. 2 is top view shown in FIG. 1；
Fig. 3 is C-C cross-sectional view shown in FIG. 1；
Fig. 4 tests showing for test equipment for the rock multi-function scissor provided in second of embodiment of the utility model conscientiously
It is intended to；
Fig. 5 is the structural schematic diagram of upper and lower shear box；
Fig. 6 is A-A cross-sectional view shown in fig. 5；
Fig. 7 is the overlooking structure diagram of lower shear box；
Wherein, the longitudinal direction 11- loading frame；12- pedestal；The vertical jack of 13-；14- level jack；The upper shear box of 15-；
Shear box under 16-；The first mounting plate of 17-；The second mounting plate of 18-；19- platen；20- push top；21- draw runner；22- groove；23- gear
Block；25- first hole；The first spacer of 26-；The second spacer of 27-；28- second hole；The hole 29-；30- cover board；31- vertical displacement
Sensor；32- horizontal displacement sensors；33- pressure at right angle sensor；34- horizontal pressure force sensor；35- first manual oil pump；
The second hand oil pump of 36-；37- oil pipe.
Specific embodiment
The utility model provides a kind of rock multi-function scissor and tests test equipment conscientiously, for make the purpose of this utility model,
Technical solution and effect are clearer, clear, and the utility model is further described below.It should be appreciated that this place is retouched
The specific embodiment stated is only used to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of rock multi-function scissor and tests test equipment conscientiously, as shown in Figure 1, Figure 2 with it is shown in Fig. 3,
It includes longitudinal loading frame 11, pedestal 12, vertical jack 13, level jack 14, upper shear box 15, lower shear box 16,
Longitudinal loading frame 11 is arranged on pedestal 12, and pedestal 12 can be using the technical approach such as platform, such as longitudinal loading frame 11
It is installed on pedestal 12 in vertical state.Vertical jack 13 is mounted on longitudinal loading frame 11, particularly, vertical jack
13 may be mounted on the center of the top plate of longitudinal loading frame 11.The first mounting plate 17 and are fixedly connected on pedestal 12
Two mounting plates 18, lower shear box 16 are fixedly installed on pedestal 12, and the corresponding side surface of lower shear box 16 and the first mounting plate 17
It is fixedly connected.Upper shear box 15 is installed on lower shear box 16, and upper shear box 15 is adapted with lower shear box 16, and the two is fastened on
It is formed together the accommodation space for placing sample rock block, upper shear box 15 is to be slidably connected with lower shear box 16；Level thousand
Jin top 14 is installed on the second mounting plate 18, platen 19 is provided on the piston extension bar of vertical jack 13, platen 19 is pushed down
The upper surface of upper shear box 15；Push top 20 is provided on the piston extension bar of level jack 14, push top 20 resists cuts on described
Box 15 is cut close to the corresponding side surface of the second mounting plate 18.The sample rock block of test is placed in lower shear box 16, is covered
Shear box 15, when loading level jack 14, the push top 20 on the piston extension bar of level jack 14 resists shear box
15 side, shear box 15 in promotion, makes shear box 15 that shear box 16 be descended to slide relatively, at this time the work of vertical jack 13
Platen 19 on plug extension bar pushes down shear box 15, it is therefore prevented that sample extrusion can generate moment of flexure.By constantly loading
Level jack 14, while vertical jack 13 is also constantly loaded, make sample always in shear box by shearing force, is sheared
The acting surface of power is always in the contact surface of upper and lower shear box, it is ensured that the accuracy of test data.
Further, longitudinal loading frame 11 may be designed as：Longitudinal loading frame 11 include four columns and top plate, four
Root post is to be detachably connected with pedestal, and four columns are to be threadedly coupled, and be provided with nut fastening with top plate.The center of top plate
It is overlapped with the center of the rectangle frame of four columns formation, mounting hole is provided on top plate, vertical jack 13 is solid by mounting hole
Surely it is connected to the center of top plate.Lower shear box 16 it is fixed on the base when, lower shear box 16 be centrally located in four it is vertical
The center of the rectangle frame of column formation, this ensures that the center line of upper shear box 15 and lower shear box 16 with it is vertical very heavy
The center line on top 13 coincides, to guarantee that the platen 19 of vertical jack 13 is acted on always on the center line of sample.
In the another preferred embodiment of the utility model, such as Fig. 5, Fig. 6 and shown in Fig. 7, the top of lower shear box 16
It is provided with the draw runner 21 of protrusion, draw runner 21 is perpendicular to first mounting plate 17；The bottom end setting fluted 22 of upper shear box, it is sliding
Item 21 is arranged in groove 22, and groove 22 is matched with the draw runner 21.Draw runner 21 is oriented parallel to level jack 14
Thrust direction is matched by groove 22 with draw runner 21, there is guiding to make the glide direction of upper shear box 15, lower shear box 16
With making sample rock block always in shear box by stable shearing force, the stress acting surface of sample is constant, it is ensured that test
The accuracy of data.
Further, upper shear box 15 is provided with block 23 close to the side of second mounting plate 18, and block 23 is in
" ┒ " shape, the horizontal part of block 23 are directed toward groove, i.e. its horizontal part applies perpendicular to the groove 22 for upward shear box 15
The lower end of horizontal pressure force, the vertical portion of block 23 extends to 12 direction of pedestal, extends upper shear box 15 and lower shear box 16
Contact surface, the vertical portion of block 23 are fixedly connected with above-mentioned push top 20.When sample rock block is destroyed completely by shearing force, gear
Block 23 has resisted the side of lower shear box 16 at this time, reminds and stops loading level jack 14, otherwise can cause to test tool
Damage, it is ensured that the safety during testing.
Further, it is provided with first hole 25 in upper shear box 15 and lower shear box 16, the of upper shear box 15
It is provided with the first spacer 26 in one square hole 25, the second spacer 27, the first spacer are provided in the first hole 25 of lower shear box 16
26 and second spacer 27 match, second hole 28 is formed in upper shear box 15 and lower shear box 16, second hole 28 is used for
Arrange sample rock block.When the first spacer 26 and the second spacer 27 is arranged in upper shear box 15 and lower shear box 16, it is applicable in
In the cross section that domestic drilling machine generally acquires be 50mm × 50mm histogram cylinder as specimen test when use, be also applied for simultaneously
The use of intact rock (regular sample) Ф=50mm size cylindrical body, i.e., sample being directly placed into second hole 28 can grasp
Do shearing test；When intact rock (regular sample) be Ф=56mm, 71.5mm, 90mm equidimension cylindrical body when, then more
Use can be met by changing the first spacer 26 and the second spacer 27；Also parting bead pad can be used and replace spacer in the surrounding of sample
It uses, the rock multi-function scissor of the utility model is enable to test test equipment conscientiously suitable for various sizes of sample rock block.
Equally, upper shear box 15 and lower shear box 16 are also applied for the staight scissors of structural plane Yu soft rock (irregular sample)
The size of test, sample is length L≤160mm, width W≤140mm, height H≤160mm, by making in first hole 25
It is used with parting bead pad in the surrounding of sample to meet.
And upper 15 top of shear box is provided with hole 29, and cover board 30 is provided in the hole 29, and cover board 30 doubles as upper shear box
15 upper surface, when being placed with respective samples rock block, cover board 30 can be higher by the top of shear box 15.It is arranged on cover board 30
There is vertical displacement sensor 31, upper shear box 15 is provided with horizontal displacement sensors close to the side of second mounting plate 18
32.Pressure at right angle sensor 33, the piston extension bar of level jack 14 are provided on the piston extension bar of vertical jack 13
On be provided with horizontal pressure force sensor 34.Processing is sent to by the signal for detecting displacement sensor and pressure sensor
Device, processor real-time display data over the display after treatment, facilitates experimenter's read-record.
Further, first manual oil pump 35 and the second hand oil pump 36, first manual oil pump are provided on pedestal 12
35 are connected with level jack 14 by corresponding oil pipe 37；Second hand oil pump 36 passes through corresponding oil with vertical jack 13
Pipe 37 connects.Vertical jack 13 and level jack 14 can select the hydraulic jack of maximum output 500KN (50 tons), lead to
Operation hand oil pump is crossed, the service load of multistage loadings jack facilitates experimenter to operate.
As shown in Figure 4, the bottom surface that above-mentioned platen 19 is in contact with the upper surface of upper shear box 15 is spherical shape, when needs are done
When uniaxial compression deformation test, test for tensile strength and uniaxial compressive strength etc. are tested, since the end face of sample is possible to uneven
Whole, the bottom surface of platen 19 is spherical shape, ensure that the stabilization of sample center of effort in load test in this way, and certain platen 19 breaks
It face can also be using technical approach such as cylinder, prismatic table shapes.
In order to which the utility model is further described, it is exemplified below more detailed embodiment and is illustrated.
Embodiment 1
The working principle of rock shearing experiment test device：
One, the sample rock block of test is placed in lower shear box 16, covers shear box 15.
Two, by operation 35 manual loading level jack 14 of first manual oil pump, the piston of level jack 14 stretches out
Push top 20 on bar resists the side block 23 of the upper shear box 15.
Three, pass through the vertical jack 13 of operation 36 manual loading of the second hand oil pump, at this time the piston of vertical jack 13
Platen 19 on extension bar pushes down the cover board 30 of shear box 15.
Four, longitudinal loading hierarchical loading since 0 increases same levels every time, and the second hand oil pump 36 is manually operated, adds
It carries speed slowly at the uniform velocity to carry out, the service load of vertical jack 13 is made to reach certain numerical value, the screen display of record display at this time
Service load value.
Five, first manual oil pump 35 is operated, loading velocity slowly at the uniform velocity carries out, and reaches the service load of level jack 14
To certain numerical value；Load step is carried out by standard requirements, while recording the service load value and horizontal displacement of display screen display
Value, and vertical displacement value is recorded in time, by criterion calculation test result.
Embodiment 2
The working principle of rock uniaxiality strength test experiment test device：
Vertical jack 13 and lower shear box 16 is used only in this item test, as shown in Figure 4, in device installation, protect
The center line for demonstrate,proving the center line and lower shear box 16 of vertical jack 13 coincides, to guarantee that the platen 19 of vertical jack 13 begins
It is acted on the center line of sample eventually.It is spherical platen that platen 19, which is changed to bottom surface, at this time, by sample be put into it is described under cut
It cuts in the first hole 25 of box 16；Operating the second hand oil pump 36 loads vertical jack 13 slowly at the uniform velocity, and load step is pressed
Standard requirements carry out, until sample destroys, while recording the service load value of display screen display, provide to calculate resistance to compression by standard
Intensity.
Rock multi-function scissor provided by the utility model tests test equipment conscientiously no replacement is required that uniaxial pressure can be realized in fixture
Compression deformation test, the operation of test for tensile strength；The device installation when, guarantee vertical jack 13 center line and lower shearing
The center line of box 16 coincides, and to guarantee that the platen 19 of vertical jack 13 is acted on always on the center line of sample, exists in this way
It no replacement is required when doing experiment every time fixture and saves subsequent replacement fixture and needs the cumbersome work of debugging clamper alignment platen.
Rock multi-function scissor provided by the utility model tests test equipment conscientiously, has design rationally, compact-sized, volume
Small, light-weight, detachable to case, easy to carry, scene is easy to install, and using simplicity, test is quick, easy to maintenance, and price is low etc.
Feature, therefore the field test that can be widely used in engineering geological investigation team, test team and universities and colleges, R&D institution, are expanded
Its application space.
Certainly, the preferred embodiment of only the utility model described above, the utility model is not limited to enumerate above-mentioned
Embodiment, it should be noted that for anyone skilled in the art under the introduction of this specification, that is made is all etc.
With substitution, obvious variant, all fall within the essential scope of this specification, it ought to be by the protection of the utility model.
Claims (9)
1. a kind of rock multi-function scissor tests test equipment conscientiously, it is characterized in that comprising longitudinal loading frame, pedestal, vertical thousand
Jin top, level jack, upper shear box, lower shear box, on the base, vertical jack is installed on vertical longitudinal loading frame arrangement
To the corresponding position of loading frame, the first mounting plate and the second mounting plate are provided on pedestal, lower shear box is fixedly installed in pedestal
Corresponding position, and a side of lower shear box is fixedly connected with the first mounting plate, upper shear box is arranged on lower shear box, is above cut
It is to be slidably connected that box, which is cut, with the lower shear box；
It is provided with platen on the piston extension bar of vertical jack, platen is pressed on the upper surface of shear box；Level jack
It is arranged on the second mounting plate, the piston extension bar of level jack is directed toward upper shear box, the piston extension bar of level jack
On be provided with push top, push top resists shear box close to the side of the second mounting plate.
2. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned upper shear box
Bottom end setting is fluted, and in the draw runner for being provided with protrusion with groove corresponding position, draw runner is arranged in groove on the top of lower shear box,
Groove is adapted with draw runner.
3. rock multi-function scissor according to claim 2 tests test equipment conscientiously, which is characterized in that above-mentioned upper shear box exists
Side close to the second mounting plate is provided with block, which is in " ┒ " shape, and the horizontal part of block is directed toward groove, for cutting upwards
It cuts box and applies horizontal pressure force, the lower end of the vertical portion of block extends to pedestal direction, extends upper shear box and lower shear box
Contact surface, the vertical portion of block are fixedly connected with above-mentioned push top.
4. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned upper shear box and
Be provided with first hole in lower shear box, the two is adapted, the first spacer is provided in the first hole of upper shear box, under cut
It cuts and is provided with the second spacer in the first hole of box, the first spacer and the second spacer match, in upper shear box and lower shear box
Interior formation second hole, second hole is for arranging sample.
5. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned upper shear box top
End is provided with hole, and cover board is provided in the hole, and cover board doubles as the upper surface of upper shear box, and vertical displacement sensing is provided on cover board
Device, upper shear box are provided with horizontal displacement sensors on the side close to the second mounting plate.
6. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned vertical jack
Piston extension bar on be provided with pressure at right angle sensor, be provided on the piston extension bar of level jack horizontal pressure force sensing
Device.
7. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that be arranged in said base
There are first manual oil pump and the second hand oil pump, first manual oil pump is connected with level jack by corresponding oil pipe；The
Two hand oil pumps are connected with vertical jack by corresponding oil pipe.
8. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned platen with above cut
The bottom surface that the upper surface of box is in contact is cut as spherical shape.
9. rock multi-function scissor according to claim 1 tests test equipment conscientiously, which is characterized in that above-mentioned longitudinal load frame
Frame includes four columns and top plate, and four columns are to be detachably connected with pedestal, and four columns are to be threadedly coupled, and set with top plate
It is equipped with nut fastening, the center of top plate is overlapped with the center of the rectangle frame of four columns formation, and mounting hole is provided on top plate, is hung down
Straight jack is fixedly connected on the center of top plate by mounting hole, the center of upper shear box, lower shear box center and four
The center of the rectangle frame of root post formation is overlapped, and makes the center line of shear box and lower shear box and the center line of vertical jack
It coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373378.XU CN208140501U (en) | 2018-03-20 | 2018-03-20 | A kind of rock multi-function scissor tests test equipment conscientiously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373378.XU CN208140501U (en) | 2018-03-20 | 2018-03-20 | A kind of rock multi-function scissor tests test equipment conscientiously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140501U true CN208140501U (en) | 2018-11-23 |
Family
ID=64288885
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820373378.XU Expired - Fee Related CN208140501U (en) | 2018-03-20 | 2018-03-20 | A kind of rock multi-function scissor tests test equipment conscientiously |
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| Country | Link |
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| CN (1) | CN208140501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361271A (en) * | 2019-08-07 | 2019-10-22 | 西南交通大学 | Material shear property experimental rig and method |
| CN113340747A (en) * | 2021-04-14 | 2021-09-03 | 中煤科工开采研究院有限公司 | Anchor rod shearing testing device and method |
-
2018
- 2018-03-20 CN CN201820373378.XU patent/CN208140501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361271A (en) * | 2019-08-07 | 2019-10-22 | 西南交通大学 | Material shear property experimental rig and method |
| CN113340747A (en) * | 2021-04-14 | 2021-09-03 | 中煤科工开采研究院有限公司 | Anchor rod shearing testing device and method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |