CN206450528U - A kind of multi-functional direct shear apparatus - Google Patents
A kind of multi-functional direct shear apparatus Download PDFInfo
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- CN206450528U CN206450528U CN201621411781.4U CN201621411781U CN206450528U CN 206450528 U CN206450528 U CN 206450528U CN 201621411781 U CN201621411781 U CN 201621411781U CN 206450528 U CN206450528 U CN 206450528U
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- lower box
- box body
- upper cartridge
- direct shear
- shear apparatus
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Abstract
The utility model discloses a kind of multi-functional direct shear apparatus, including support, Longitudinal device, lateral dynamics device, upper cartridge body and lower box body, the Longitudinal device and upper cartridge body are fixedly installed on the support, the upper cartridge body and lower box body are located at the lower section of the support, and the lower box body can be slided relative to the upper cartridge body；It is provided with the upper cartridge body on through hole, the lower box body and is provided with the groove corresponding with the hole size and position；The clutch end of the Longitudinal device can enter or exit the through hole, the side of lower box body described in the clutch end top pressure of the lateral dynamics device.The utility model is when carrying out shear test, in the presence of lateral dynamics device is to lower box body application level, due to gapless between soil sample and through hole and groove, so that lateral dynamics device the power that soil sample applies is always maintained at it is vertical with soil sample, so that the intensity determined can be approached preferably with actual, error is small, accuracy.
Description
Technical field
The utility model is related to a kind of direct shear apparatus, refers in particular to a kind of multi-functional direct shear apparatus.
Background technology
Direct shear apparatus, abbreviation direct shear apparatus, it is to be used to carry out direct shear test to object that it, which is acted on,.Under construction, pass through
Often need to carry out strength detection to the soil sample prepared.It is that soil particle is placed on soil to the soil sample that soil sample intensity is measured now
By being formed after compacting on sample pattern making equipment, the soil sample prepared is then positioned over the recessed of upper box on direct shear apparatus and lower box again
Shearing test is carried out in groove to determine its intensity data.But the soil sample of this kind of structure is in order to be able to be put into groove, the chi of soil sample
The very little size for being necessarily less than groove so that there is gap between soil sample and the inwall of groove.When carrying out soil sample measure, lower box
Relative to the bottom that soil sample was slided and extruded to upper box level.In this process, due to existing between soil sample and the inwall of groove
Gap, soil sample is extruded by lower box and produces inclination so that the horizontal applied force that lower box applies to the bottom of soil sample then not with soil
Sample is vertical, so that the result determined occurs that error is larger, the situation of Stability and veracity difference.
Utility model content
The purpose of this utility model is that solution is existing due to there is gap, soil sample quilt between soil sample and the inwall of groove
Lower box is extruded and produces inclination so that the horizontal applied force that lower box applies to the bottom of soil sample is not then vertical with soil sample, so that
So that the result determined occurs that error is larger, the problem of Stability and veracity is poor is test there is provided one kind collection molding and shearing
The high and easy to use self-balancing type direct shear apparatus of one, accuracy.
The purpose of this utility model can be reached using following technical scheme：
A kind of multi-functional direct shear apparatus, including support, Longitudinal device, lateral dynamics device, upper cartridge body and lower box body, institute
State Longitudinal device and upper cartridge body is fixedly installed on the support, the upper cartridge body and lower box body are located under the support
Side, and the lower box body can slide relative to the upper cartridge body；Be provided with the upper cartridge body on through hole, the lower box body be provided with
The hole size groove corresponding with position；The clutch end of the Longitudinal device can enter or exit described logical
Hole, the side of lower box body described in the clutch end top pressure of the lateral dynamics device；
As a kind of preferred scheme, the lower section of the lower box body is provided with the Flexible film for being used for storing water；Flexible film to
On when being opened, the Flexible film envelopes the upper cartridge body and lower box body.
As a kind of preferred scheme, the Longitudinal device includes the first hydraulic jack, the first pressing plate and is used for
The first sensor of the power output size of the first hydraulic jack is detected, first pressing plate is slidably sheathed on the through hole
It is interior, and first pressing plate is fixedly installed on the piston rod of first hydraulic jack.
As a kind of preferred scheme, the lateral dynamics device includes the second hydraulic jack and for detecting the second liquid
Press the second sensor of the power output size of jack, lower box described in the horizontal top pressure of piston rod of second hydraulic jack
Body.
As a kind of preferred scheme, the side of the lower box body is provided with plane boss, second hydraulic jack
The horizontal top pressure of piston rod on the plane boss.
As a kind of preferred scheme, the support is " H " type structure, including the vertical beam located at both sides, and laterally
The crossbeam on the vertical beam is fixedly installed in, the two ends of the crossbeam are fixedly connected with the vertical beam of both sides respectively；It is described vertical
Be fixedly installed in power set on the crossbeam, and the Longitudinal device clutch end straight down.
As a kind of preferred scheme, rolling mechanism is provided with below the lower box body, the lower box body passes through rolling mechanism
Level is slided.
Further, the rolling mechanism includes fixed block, ball and limiting plate, if the upper surface of the fixed block is provided with
Dry bar groove, the ball is rotatably mounted in the groove；It is provided with the limiting plate corresponding with the grooved position
Groove；The width of the groove is less than the diameter of ball, and the limiting plate is covered on the upper surface of fixed block, and the rolling
The upper end of pearl overhangs the upper surface of the limiting plate by groove.
Implement the utility model, have the advantages that：
1st, soil particle can be inserted from level to level and often insert after one layer by longitudinal direction in through hole and groove of the present utility model
Multilayer soil particle is compacted and is prepared into soil sample by dynamic device.The mutually close socket of the soil sample that the process is made and through hole and groove and continuously
Gap.When carrying out shear test, in the presence of lateral dynamics device is to lower box body application level, due to soil sample and through hole and groove
Between gapless so that lateral dynamics device the power that soil sample applies is always maintained at it is vertical with soil sample so that determine it is strong
Degree can preferably with it is actual close, error is small, and accuracy is high, solve it is existing due to existing between soil sample and the inwall of groove between
Gap, soil sample is extruded by lower box and produces inclination so that the horizontal applied force that lower box applies to the bottom of soil sample then not with soil sample
Vertically, so that the result determined occurs that error is larger, the problem of Stability and veracity is poor.
2nd, the technique that the utility model can carry out multilayer compacting to soil particle by Longitudinal device makes, and prepares and is unearthed
Sample, and soil sample can be made a strength test after the completion of preparation without taking out, it is ensured that the integrality of soil sample, so as to ensure that
The accuracy of measurement data.And continuity is good between two processes, is wasted without the unnecessary time, drastically increase work
Convenience and efficiency, collection molding and shearing test one, save the time of work, and accuracy and operating efficiency are high.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the multi-functional direct shear apparatus of the utility model；
Fig. 2 is the partial enlarged drawing in Fig. 1 A portions.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment
Reference picture 1, the present embodiment is related to direct shear apparatus, including support 1, Longitudinal device 2, lateral dynamics device 3, upper box
Body 4 and lower box body 5, the Longitudinal device 2 and upper cartridge body 4 are fixedly installed on the support 1, and the upper cartridge body 4 is with
Box body 5 is located at the lower section of the support 1, and the lower box body 5 can be slided relative to the upper cartridge body 4；Opened on the upper cartridge body 4
Have and the groove 51 corresponding with the size and location of through hole 41 is provided with through hole 41, the lower box body 5；The Longitudinal dress
The through hole 41 can be entered or exit by putting 2 clutch end, described in the clutch end top pressure of the lateral dynamics device 3 under
The side of box body 5.
Loose soil particle can be inserted from level to level and pass through after often inserting one layer in the through hole 41 and groove 51 of the structure
Multilayer soil particle is compacted and is prepared into soil sample by the dynamic device in longitudinal direction.The soil sample that the process is made and the mutually close set of through hole 41 and groove 51
Connect and gapless.Carry out shear test when, in the presence of lateral dynamics device 3 is to the application level of lower box body 5, due to soil sample with
Gapless between through hole 41 and groove 51 so that lateral dynamics device 3 power that soil sample applies is always maintained at it is vertical with soil sample, from
And the intensity of measure is preferably approached with actual, error is small, and accuracy is high, solves existing due to soil sample and groove 51
There is gap between inwall, soil sample is extruded by lower box and produces inclination so that the level that lower box applies to the bottom of soil sample
Active force is not then vertical with soil sample, so that the result determined occurs that error is larger, the problem of Stability and veracity is poor.
In addition, the technique that the structure can carry out multilayer compacting to soil particle by Longitudinal device 2 makes, prepare and be unearthed
Sample, and soil sample can be made a strength test after the completion of preparation without taking out, it is ensured that the integrality of soil sample, so as to ensure that
The accuracy of measurement data.And continuity is good between two processes, is wasted without the unnecessary time, drastically increase work
Convenience and efficiency, collection molding and shearing test one, save the time of work, and accuracy and operating efficiency are high.
The lower section of the lower box body 5 is provided with the Flexible film 6 for being used for storing water；It is described to stretch when Flexible film 6 is opened upwards
Contracting film 6 envelopes the upper cartridge body 4 and lower box body 5.The need for adapting to the soil sample being made up of different soil property particles, in longitudinal direction
After power set 2 prepare soil sample in through hole 41 and groove 51, Flexible film 6 can be pulled upwardly and be internally formed receiving space simultaneously
Upper cartridge body 4 and lower box body 5 are all enveloped, then toward water is injected in receiving space, sample is completely sunk in the water, realizes
Soil sample absorbs water and reached the state of saturation.
The Longitudinal device 2 includes the first hydraulic jack 21, the first pressing plate 22 and for detecting the first hydraulic pressure thousand
The first sensor of the power output size on jin top 21, first pressing plate 22 is slidably sheathed in the through hole 41, and described
First pressing plate 22 is fixedly installed on the piston rod of first hydraulic jack 21.First hydraulic jack 21 driving first is pressed
Plate 22 is stretched into through hole 41 and groove 51, the loose soil of each layer for making 22 pairs of the first pressing plate enter in groove 51 and through hole 41
Grain is compacted and forms firm and consolidation soil sample, so as to carry out intensity of shear experiment to the soil sample of formation.Described first
The diameter of pressing plate 22 is equal with the diameter of through hole 41 and groove 51, and the first pressing plate 22 can be slided in groove 51 and through hole 41.
The power that first hydraulic jack 21 applies can be uniformly applied on soil particle layer by the first pressing plate 22, it is ensured that inside soil sample
Solid degree is uniform, to improve the data accuracy of soil sample intensity.
The lateral dynamics device 3 includes the second hydraulic jack 31 and the output for detecting the second hydraulic jack 31
The second sensor of power size, lower box body 5 described in the horizontal top pressure of piston rod of second hydraulic jack 31.In the second hydraulic pressure
In the presence of jack 31, lower box body 5 is slided horizontally relative to upper cartridge body 4, and is located at upper box respectively to upper and lower part respectively
Soil sample in body 4 and lower box body 5 is sheared, so as to draw the intensity of shear of soil sample.
The side of the lower box body 5 is provided with plane boss 52, the piston rod level top of second hydraulic jack 31
It is pressed on the plane boss 52.In the presence of plane boss 52, the applying power energy of the piston rod of the second hydraulic jack 31
It is uniformly applied on plane boss 52 so that lower box body 5 has by uniform horizontal force, has both improved the accuracy of measure,
It in turn ensure that lower box body 5 will not be because stress is excessively concentrated and is destroyed.
The support 1 is " H " type structure, including the vertical beam 11 located at both sides, and is laterally fixedly installed in described perpendicular
Crossbeam 12 on straight beam 11, the two ends of the crossbeam 12 are fixedly connected with the vertical beam 11 of both sides respectively；The Longitudinal dress
2 are put to be fixedly installed on the crossbeam 12, and the Longitudinal device 2 clutch end straight down.The horizontal stroke of the structure
Beam 12 plays a part of support to Longitudinal device 2 in the firm lower of both sides vertical beam 11, is that Longitudinal device 2 is provided
Firm support force.
In order to reduce the external drag when level of lower box body 5 is slided, as shown in Fig. 2 the lower section of the lower box body 5 is provided with rolling
Mechanism, the lower box body 5 is slided by rolling mechanism level.
The rolling mechanism includes fixed block 71, ball 72 and limiting plate 73, if the upper surface of the fixed block 71 is provided with
Dry bar groove 711, the ball 72 is rotatably mounted in the groove 711；It is provided with the limiting plate 73 and the groove
The corresponding groove 74 in 711 positions；The width of the groove 74 is less than the diameter of ball 72, and the limiting plate 73 is covered in fixation
On the upper surface of block 71, and the upper end of the ball 72 overhangs the upper surface of the limiting plate 73 by groove 74.Ball 72
In the presence of limiting plate 73, it can only be rolled in groove 711.When lower box body 5 is slided on ball 72, ball 72 can
Greatly reduce the friction that lower box body 5 is slided.
Above disclosed is only a kind of preferred embodiment of the utility model, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claim, still belong to what the utility model was covered
Scope.
Claims (8)
1. a kind of multi-functional direct shear apparatus, it is characterised in that：Including support, Longitudinal device, lateral dynamics device, upper cartridge body and
Lower box body, the Longitudinal device and upper cartridge body are fixedly installed on the support, and the upper cartridge body and lower box body are located at institute
The lower section of support is stated, and the lower box body can be slided relative to the upper cartridge body；Through hole, the lower box are provided with the upper cartridge body
The groove corresponding with the hole size and position is provided with body；The clutch end of the Longitudinal device can enter or
The through hole is exited, the side of lower box body described in the clutch end top pressure of the lateral dynamics device.
2. a kind of multi-functional direct shear apparatus according to claim 1, it is characterised in that：The lower section of the lower box body, which is provided with, to be used for
Store the Flexible film of water；When Flexible film is opened upwards, the Flexible film envelopes the upper cartridge body and lower box body.
3. a kind of multi-functional direct shear apparatus according to claim 1, it is characterised in that：The Longitudinal device includes first
The first sensor of hydraulic jack, the first pressing plate and the power output size for the first hydraulic jack of detection, described first
Pressing plate is slidably sheathed in the through hole, and first pressing plate is fixedly installed in the piston rod of first hydraulic jack
On.
4. a kind of multi-functional direct shear apparatus according to claim 1, it is characterised in that：The lateral dynamics device includes second
Hydraulic jack and for detect the second hydraulic jack power output size second sensor, second hydraulic jack
The horizontal top pressure of piston rod described in lower box body.
5. a kind of multi-functional direct shear apparatus according to claim 4, it is characterised in that：The side of the lower box body is provided with flat
Face boss, the horizontal top pressure of piston rod of second hydraulic jack is on the plane boss.
6. a kind of multi-functional direct shear apparatus according to claim 1, it is characterised in that：The support is " H " type structure, including
Vertical beam located at both sides, and be laterally fixedly installed in crossbeam on the vertical beam, the two ends of the crossbeam are respectively with two
The vertical beam of side is fixedly connected；The Longitudinal device is fixedly installed on the crossbeam, and the Longitudinal device
Clutch end is straight down.
7. according to a kind of any described multi-functional direct shear apparatus of claim 1 to 5, it is characterised in that：Set below the lower box body
There is rolling mechanism, the lower box body is slided by rolling mechanism level.
8. a kind of multi-functional direct shear apparatus according to claim 7, it is characterised in that：The rolling mechanism include fixed block,
Ball and limiting plate, the upper surface of the fixed block is provided with some grooves, and the ball is rotatably mounted in the groove；
The groove corresponding with the grooved position is provided with the limiting plate；The width of the groove is less than the diameter of ball, described
Limiting plate is covered on the upper surface of fixed block, and the upper end of the ball overhangs the upper table of the limiting plate by groove
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621411781.4U CN206450528U (en) | 2016-12-20 | 2016-12-20 | A kind of multi-functional direct shear apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621411781.4U CN206450528U (en) | 2016-12-20 | 2016-12-20 | A kind of multi-functional direct shear apparatus |
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| Publication Number | Publication Date |
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| CN206450528U true CN206450528U (en) | 2017-08-29 |
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| CN201621411781.4U Active CN206450528U (en) | 2016-12-20 | 2016-12-20 | A kind of multi-functional direct shear apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706446A (en) * | 2016-12-20 | 2017-05-24 | 广东工业大学 | Multifunctional direct shear apparatus |
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2016
- 2016-12-20 CN CN201621411781.4U patent/CN206450528U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706446A (en) * | 2016-12-20 | 2017-05-24 | 广东工业大学 | Multifunctional direct shear apparatus |
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