CN207937268U - A kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio - Google Patents
A kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio Download PDFInfo
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- CN207937268U CN207937268U CN201820128319.6U CN201820128319U CN207937268U CN 207937268 U CN207937268 U CN 207937268U CN 201820128319 U CN201820128319 U CN 201820128319U CN 207937268 U CN207937268 U CN 207937268U
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- plate
- fixed
- pedestal
- poisson
- protrusion
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of measurement rock-soil material lateral pressure coefficient and the fixing devices of Poisson's ratio, including pedestal, fixed block, threaded hole, restriction slot, spring, placing groove, balance plate, protrusion, restriction bar, the first fixed plate, antiskid plate, the second fixed plate, screw rod, runner and stripper plate.The beneficial effects of the utility model：The utility model is provided with placing groove on pedestal, the bottom of balance plate is provided with protrusion, protrusion is that arc is arranged, placing groove and protrusion match setting, when upper end is squeezed, self-balancing can be carried out in a certain range, the material of upper end is allowed to carry out center extruding, ensure the accurate of measurement data, the first fixed plate is provided on balance plate, material is fixed by the first fixed plate and stripper plate, the side of first fixed plate and stripper plate is both provided with antiskid plate, material can adequately be fixed, the side of stripper plate is provided with the screw rod of flexible connection.
Description
Technical field
The utility model is related to a kind of fixing device, specially a kind of rock-soil material lateral pressure coefficient and Poisson's ratio of measuring
Fixing device belongs to pressure test technical field.
Background technology
Lateral pressure coefficient refers to soil when being pressurized under the conditions of semo-infinite, the ratio between lateral effective pressure and vertical effective pressure,
Earth lateral pressure coefficient is generally less than 1, when soil is pressurized under the conditions of semo-infinite, lateral effective pressure and vertical effective pressure it
Than claiming lateral pressure coefficient (k), earth lateral pressure coefficient to be generally less than 1.In rock mass mechanics, lateral pressure coefficient refers to horizontal pressure
The ratio between stress and vertical compression, therefore, the lateral pressure coefficient in rock mass can be more than 1, in the proportional limit of Poisson ratio material,
By the absolute value of transverse strain and the ratio between corresponding longitudinal strain caused by equally distributed longitudinal stress.For example, a bar by
When stretching, axial elongation is along with cross-direction shrinkage, and the ratio between transverse strain e' and axial strain e are known as Poisson's ratio V.Material
Poisson's ratio is generally measured by test method.
Existing fixture structure is simple, and fixation easily and effectively can not be carried out to rock-soil material, and fixed efficiency is low
Under, common fixing device can not carry out self-balancing, and the irregularities of ground lead to the misaligning property in extrusion process, lead
Cause the result measured not accurate enough.
Utility model content
The purpose of this utility model be that it is above-mentioned due to simple in structure in order to solve, can not be to rock-soil material progress side
Just effective fixed, fixed efficiency is low, and common fixing device can not carry out self-balancing, and the irregularities of ground cause
Misaligning property in extrusion process, cause the result measured not accurate enough and provide a kind of measurement rock-soil material lateral pressure coefficient and
The fixing device of Poisson's ratio.
A kind of fixing device measuring rock-soil material pressure measurement force coefficient and Poisson's ratio, including pedestal, balance plate, the first fixation
Plate and stripper plate, pedestal side connection fixing block are threaded hole on the fixed block, and the pedestal upper end setting limits
Slot, the restriction slot is interior to install spring, and placing groove is arranged in the pedestal upper end, and the balance plate bottom setting protrusion is described to put down
The connection of the board bottom that weighs portion limits bar, and the first fixed plate is connected on the balance plate, and first fixed plate side connects antiskid plate, institute
It states and the second fixed plate is set on balance plate, the second fixed plate connecting screw, described screw rod one end is connect with runner, the spiral shell
Bar one end connects stripper plate.
Preferably, in order to enable pedestal and device stable connection, ensure that pedestal will not move, the pedestal both sides setting
Symmetrical fixed block, fixed block are connect with tube chamber welds with base.
Preferably, in order to enable spring to install, spring can provide elastic force, and balance plate can be replied, on the pedestal
The symmetrical spring for limiting slot, limiting that setting matches in slot of setting, spring are connected with slot is limited.
Preferably, in order to make protrusion be clamped mutually with placing groove, while being ensured by balance plate self-balancing by arc convex
The face of rock is squeezed when measuring pressure coefficient, it is accurate to ensure to measure, described raised for arc setting, protrusion and placement
Slot matches, and protrusion is arranged with placing groove centering.
Preferably, in order to make the stop block on restriction bar and limit slot clamping, avoid spring that from limiting bar pop-up, the limit
Fixed pole is arranged symmetrically on balance plate, limits bar one end and connects stop block, stop block matches with slot is limited.
Preferably, in order to enable screw rod to install, in rotary screw, stripper plate horizontal direction moves, and described second fixes
The threaded hole that setting matches with screw rod on plate, screw rod are to be flexibly connected with stripper plate.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model is provided with placing groove on pedestal, the bottom of balance plate is provided with protrusion, protrusion is arc
Setting, the setting that matches of placing groove and protrusion can carry out self-balancing, allow in a certain range when upper end is squeezed
The material at end carries out center extruding, ensures the accurate of measurement data, and balance plate both sides are provided with restriction bar, by with limit slot
Match and balance plate is defined, spring can guarantee the offset reply in balance plate.
2, the utility model is provided with the first fixed plate on balance plate, by the first fixed plate and stripper plate to material into
Row is fixed, and the side of the first fixed plate and stripper plate is both provided with antiskid plate, can adequately fix material, is squeezing
The side of plate is provided with the screw rod of flexible connection, in rotating wheel, can push stripper plate, can easily be consolidated material
It is fixed, convenient and efficient.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model integral planar schematic diagram.
Fig. 3 is enlarged diagram at the utility model A.
In figure：1, pedestal；2, fixed block；3, threaded hole；4, slot is limited；5, spring；6, placing groove；7, balance plate；8, convex
It rises；9, bar is limited；10, the first fixed plate；11, antiskid plate；12, the second fixed plate；13, screw rod；14, runner；15, stripper plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
It please refers to Fig.1 shown in-Fig. 3, a kind of fixing device measuring rock-soil material pressure measurement force coefficient and Poisson's ratio, including bottom
Seat 1, balance plate 7, the first fixed plate 10 and stripper plate 15,1 side connection fixing block 2 of pedestal, fixed block 2 is arranged symmetrically, Gu
To determine to be threaded hole 3 on block 2, bolt is connected on threaded hole 3, is connect with device by bolt, the setting of 1 upper end of pedestal limits slot 4,
It limits and spring 5 is installed in slot 4, limit slot 4 and match with spring 5, it is that balance plate 7 provides back to be convenient for the installation of spring 5, spring 5
Multiple elastic force, when not in use can balance balance plate 7, and placing groove 6 is arranged in 1 upper end of pedestal, and 7 bottom of balance plate setting protrusion 8 is put
It sets slot 6 with protrusion 8 to match, self-balancing is carried out by corresponding arcwall face, material can be hit exactly and be squeezed, ensure to measure number
According to accuracy, 7 bottom of balance plate connection limit bar 9, limit bar 9 balance plate 7 is defined, connect first on balance plate 7
Fixed plate 10,10 side of the first fixed plate connect antiskid plate 11, the second fixed plate 12, the second fixed plate 12 are arranged on balance plate 7
Connecting screw 13,13 one end of screw rod are connect with runner 14, and 13 one end of screw rod connects stripper plate 15, the first fixed plate 10 and stripper plate
15 side is both provided with antiskid plate 11, and material is adequately fixed, and the side of stripper plate 15 is provided with flexible connection
Screw rod 13, by rotary screw 13 push stripper plate 15 material is fixed, convenient for installation is fixed to material, raising
The measurement efficiency of device.
Embodiment 2
In addition,-Fig. 3 referring to Fig.1, be based on above-described embodiment, 1 both sides of pedestal are arranged symmetrical fixed block 2, fixed block 2 with
Pedestal 1 is welded to connect, and enables pedestal 1 and device stable connection, ensures that pedestal 1 will not move, and symmetrical limit is arranged on pedestal 1
Determine slot 4, limit the spring 5 that setting matches in slot 4, spring 5 is connected with slot 4 is limited, and so that spring 5 is installed, spring 5
Elastic force can be provided, balance plate 7 can be replied, protrusion 8 is that arc is arranged, and protrusion 8 matches with placing groove 6, protrusion 8 and placement
6 centering of slot is arranged, and so that protrusion 8 is clamped mutually with placing groove 6, while allowing 7 self-balancing of balance plate by arc convex 8, ensures
The face of rock is squeezed when measuring pressure coefficient, it is accurate to ensure to measure, and it is arranged symmetrically, limit on balance plate 7 to limit bar 9
9 one end of fixed pole connects stop block, and stop block matches with slot 4 is limited, and so that the stop block on restriction bar 9 is clamped with slot 4 is limited, keeps away
Spring free 5 is popped up bar 9 is limited, the threaded hole that setting matches with screw rod 13 in the second fixed plate 12, screw rod 13 and stripper plate
15 be flexible connection, and screw rod 13 is enable to install, and in rotary screw 13,15 horizontal direction of stripper plate moves.
When the utility model is used, material is placed on balance plate 7, the first fixed plate 10 is provided on balance plate 7,
Material is fixed by the first fixed plate 10 and stripper plate 15, the side of the first fixed plate 10 and stripper plate 15 is both provided with
Antiskid plate 11 is adequately fixed material, and the side of stripper plate 15 is provided with the screw rod 13 of flexible connection, passes through rotation
Screw rod 13 pushes stripper plate 15, bottom to be provided with placing groove 6 on 1, the bottom of balance plate 7 is provided with protrusion 8, protrusion 8 is arc
Setting, placing groove 6 can carry out self-balancing, allow in a certain range with 8 setting that matches of protrusion when upper end is squeezed
The material of upper end carries out center extruding, ensures the accurate of measurement data.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio, which is characterized in that including pedestal（1）, it is flat
Weigh plate（7）, the first fixed plate（10）And stripper plate（15）, the pedestal（1）Side connection fixing block（2）, the fixed block（2）
On be threaded hole（3）, the pedestal（1）Upper end setting limits slot（4）, the restriction slot（4）Interior installation spring（5）, described
Pedestal（1）Placing groove is arranged in upper end（6）, the balance plate（7）Bottom setting protrusion（8）, the balance plate（7）Bottom connection limit
Fixed pole（9）, the balance plate（7）The first fixed plate of upper connection（10）, first fixed plate（10）Side connects antiskid plate
（11）, the balance plate（7）The second fixed plate of upper setting（12）, second fixed plate（12）Connecting screw（13）, the spiral shell
Bar（13）One end and runner（14）Connection, the screw rod（13）One end connects stripper plate（15）.
2. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio according to claim 1, feature
It is：The pedestal（1）Symmetrical fixed block is arranged in both sides（2）, fixed block（2）With pedestal（1）It is welded to connect.
3. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio according to claim 1, feature
It is：The pedestal（1）Upper setting is symmetrical to limit slot（4）, limit slot（4）It is interior that the spring to match is set（5）, spring（5）
With restriction slot（4）It connects.
4. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio according to claim 1, feature
It is：The protrusion（8）It is arranged for arc, protrusion（8）With placing groove（6）Match, protrusion（8）With placing groove（6）Centering is set
It sets.
5. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio according to claim 1, feature
It is：The restriction bar（9）In balance plate（7）Upper is arranged symmetrically, restriction bar（9）One end connects stop block, stop block and limit
Determine slot（4）Match.
6. a kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio according to claim 1, feature
It is：Second fixed plate（12）Upper setting and screw rod（13）The threaded hole to match, screw rod（13）With stripper plate（15）For
Flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820128319.6U CN207937268U (en) | 2018-01-25 | 2018-01-25 | A kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820128319.6U CN207937268U (en) | 2018-01-25 | 2018-01-25 | A kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937268U true CN207937268U (en) | 2018-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820128319.6U Expired - Fee Related CN207937268U (en) | 2018-01-25 | 2018-01-25 | A kind of fixing device measuring rock-soil material lateral pressure coefficient and Poisson's ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595906A (en) * | 2019-09-04 | 2019-12-20 | 光大环境科技（中国）有限公司 | Material side pressure coefficient measuring device |
-
2018
- 2018-01-25 CN CN201820128319.6U patent/CN207937268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595906A (en) * | 2019-09-04 | 2019-12-20 | 光大环境科技（中国）有限公司 | Material side pressure coefficient measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181002 Termination date: 20210125 |