CN208091838U - Vertical shearing experimental rig in a kind of firm hard formation hole - Google Patents
Vertical shearing experimental rig in a kind of firm hard formation hole Download PDFInfo
- Publication number
- CN208091838U CN208091838U CN201820540940.3U CN201820540940U CN208091838U CN 208091838 U CN208091838 U CN 208091838U CN 201820540940 U CN201820540940 U CN 201820540940U CN 208091838 U CN208091838 U CN 208091838U
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- CN
- China
- Prior art keywords
- hydraulic jack
- load device
- pulling axis
- hard formation
- pedestal
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses vertical shearing experimental rigs in a kind of firm hard formation hole, include pulling axis, pin, force transmiting disk, the first hydraulic jack, pedestal, the second oil pressure pipe, shear plate, load device and the second hydraulic jack, the pedestal is placed on above firm hard formation hole；The load device is placed in firm hard formation hole；First hydraulic jack is placed on pedestal；Second oil pressure pipe and pulling axis is placed in pedestal, and pulling axis is connected with force transmiting disk by pin, the first hydraulic jack of pulling axis connection and load device；Second hydraulic jack is placed in load device；The shear plate is placed in load device.The beneficial effects of the utility model：Shear plate can move back and forth, and can cope with the working environment under different pore size；Device uses oil hydraulic system, have it is certain buffer, wear-resistant and lubricating action, it is reusable, it is environmental-friendly；Device is easy to use, is easily installed and dismantles, and aufbauprinciple is simple, highly practical.
Description
Technical field
The utility model is related to a kind of shearing test device, more particularly to vertical shearing experiment dress in a kind of firm hard formation hole
It sets.
Background technology
Currently, it is less for the determination of shear strength research of the hard soil layer middle hole wall soil body in engineering, it is common to measure soil
The test method of the shearing strength of body mainly has laboratory test and field testing procedure.Laboratory test mainly includes staight scissors reality
It tests, triaxial machining is tested and without confined compression experiment etc., outdoor test includes vane test.Wherein direct shearing test exists
The shortcomings of artificial fixed shear face, shear surface upper stress state complex, indefinite Stress distribution unevenness and drainage condition.Three
The soil classifiction that axis shearing experiment measures can only represent the shearing strength under specific axi-symmetric stress condition, and experiment lasts
Period is long.No confined compression experiment is not suitable for the measurement of inviscid soil classifiction, and the soil body measured does not drain shearing resistance
Intensity is generally below field shear test intensity.Vane shear test measures uneven soil layer, especially accompany dwarf soil fine sand or
When the shearing strength of the soft clay of silt, it cannot be guaranteed that not draining in shear history, result is caused to have larger error, in addition
The spinning rate and insertion depth of cross wrench also have experimental result different degrees of influence.Therefore, conventional measurement soil
The experimental method of shearing strength is unable to the shearing strength of the hard soil layer middle hole wall soil body of Accurate Determining.
Invention content
The purpose of this utility model is proposed a kind of vertical to measure the shearing strength of the firm hard formation hole wall soil body
Shearing test device.
In a kind of firm hard formation hole provided by the utility model vertical shearing experimental rig include pulling axis, force transmiting disk,
First hydraulic jack, pedestal, the second oil pressure pipe, shear plate, load device and the second hydraulic jack, the pedestal are placed on
Above firm hard formation hole；The load device is placed in firm hard formation hole；First hydraulic jack is placed on pedestal；
Second oil pressure pipe and pulling axis is placed in pedestal, and pulling axis is connected with force transmiting disk by pin, pulling axis connection first
Hydraulic jack and load device；Second hydraulic jack is placed in load device；The shear plate is placed in load device.
Load device accommodates two shear plates, and shear plate, and can be perpendicular to the side of pulling axis about pulling axial symmetry
To movement, shear plate has multiple sawtooth.
Pedestal is hollow base, for by the second oil pressure pipe and pulling axis, being used to support the first hydraulic jack.
It is equipped with through-hole at force transmiting disk core, is passed through for pulling axis.
Pulling axis is equipped with through-hole, for being connect with force transmiting disk across pin.
The use principle of the utility model
Oil pressure pump makes the first hydraulic jack generate vertical tractive force, shearing is passed to by pulling axis by transporting oil pressure
Plate；Oil pressure pump makes the second oil jack withstand on shear plate surface and generates horizontal pressure force by transporting oil pressure.Pressure display unit is shown
The horizontal pressure force that the vertical tractive force and the second hydraulic jack that first hydraulic jack generates generate.Oil pressure pump applies different oil
Pressure, the situation of change of simulation shearing force suffered by hole wall soil at various pressures, vertical tractive force show by pressure display unit with
The area of the value combination shear plate of horizontal pressure force, can obtain the situation of change of hole wall soil shear stress under different normal stresses, whole
Reason can obtain hole wall soil classifiction curve.
The beneficial effects of the utility model
Shear plate can move back and forth, and can cope with the working environment under different pore size；Device uses oil hydraulic system, has certain
Buffer, wear-resistant and lubricating action, it is reusable, it is environmental-friendly；Device is easy to use, is easily installed and dismantles, and construction is former
Reason is simple, highly practical.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model
Fig. 2 is the detail of Fig. 1 shear plates
1, oil pressure pump 2, pressure display unit 3, the first oil pressure pipe 4, pulling axis 5, pin 6, the 7, first oil of force transmiting disk
Press jack 8, pedestal 9, the second oil pressure pipe 10, the hard soil body 11, shear plate 12, load device 13, the second oil jack
Top.
Specific implementation mode
It please refers to Fig.1, shown in 2, Fig. 2 is the detail drawing of shear plate.
Vertical shearing experimental rig includes pulling axis 4, force transmiting disk in a kind of firm hard formation hole provided by the utility model
6, the first hydraulic jack 7, pedestal 8, the second oil pressure pipe 9, shear plate 11, load device 12 and the second hydraulic jack 13, it is described
Pedestal 8 be placed on above firm hard formation hole；The load device 12 is placed in firm hard formation hole；First oil pressure thousand
Jin top 7 is placed on pedestal；Second oil pressure pipe 9 and pulling axis 4 are placed in pedestal 8, and pulling axis 4 and force transmiting disk 6 pass through pin
5 connection of nail, pulling axis 4 connect the first hydraulic jack 7 and load device 12；Second hydraulic jack 13 is placed in load device
In 12；The shear plate 11 is placed in load device 12.
Load device 12 accommodates two shear plates 11, and shear plate 11 is symmetrical about pulling axis 4, and can be perpendicular to pulling
The direction of axis 4 is moved, and shear plate 11 has multiple sawtooth.
Pedestal 8 is hollow base, for by the second oil pressure pipe 9 and pulling axis 4, being used to support the first jack of oil pressure 7.
It is equipped with through-hole at 6 core of force transmiting disk, is passed through for pulling axis 4.
Pulling axis 4 is equipped with through-hole, for being connect with force transmiting disk 6 across pin 5.
Oil pressure pump 1 makes the first hydraulic jack 7 generate vertical tractive force, is passed to and cut by pulling axis 4 by transporting oil pressure
Cutting plate 11；Oil pressure pump logical 1 crosses transport oil pressure, and the second hydraulic jack 13 is made to generate horizontal pressure force on 11 surface of shear plate.Pressure
Display 2 shows the horizontal pressure force that the vertical tractive force that the first hydraulic jack 7 generates and the second hydraulic jack 13 generate.Oil
Press pump 1 applies different oil pressure, simulates the situation of change of shearing force suffered by hole wall soil at various pressures, is shown by pressure display unit 2
The area of the value combination shear plate 11 of the vertical tractive force and horizontal pressure force shown, can show that hole wall soil is cut under different normal stresses
The situation of change of stress, arrangement can obtain hole wall soil classifiction curve.
Claims (5)
1. vertical shearing experimental rig in a kind of firm hard formation hole includes pulling axis, force transmiting disk, the first hydraulic jack, bottom
Seat, the second oil pressure pipe, shear plate, load device and the second hydraulic jack, it is characterised in that pedestal is placed on firm hard formation hole
Side；It is characterized in that load device is placed in firm hard formation hole；It is characterized in that the first hydraulic jack is placed on pedestal；It is special
Sign is that the second oil pressure pipe and pulling axis are placed in pedestal, and pulling axis is connected with force transmiting disk by pin, pulling axis connection first
Hydraulic jack and load device；It is characterized in that the second hydraulic jack is placed in load device；It is characterized in that shear plate is placed in
In load device.
2. vertical shearing experimental rig in a kind of firm hard formation hole according to claim 1, it is characterised in that：Load device holds
Receive two shear plates, shear plate can be moved about pulling axial symmetry perpendicular to the direction of pulling axis, and shear plate has
Multiple sawtooth.
3. vertical shearing experimental rig in a kind of firm hard formation hole according to claim 1, it is characterised in that：During pedestal is
Empty pedestal, for by the second oil pressure pipe and pulling axis, being used to support the first hydraulic jack.
4. vertical shearing experimental rig in a kind of firm hard formation hole according to claim 1, it is characterised in that：Force transmiting disk disk
It is equipped with through-hole at the heart, is passed through for pulling axis.
5. vertical shearing experimental rig in a kind of firm hard formation hole according to claim 1, it is characterised in that：Pulling axis is set
There is through-hole, for being connect with force transmiting disk across pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540940.3U CN208091838U (en) | 2018-04-17 | 2018-04-17 | Vertical shearing experimental rig in a kind of firm hard formation hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540940.3U CN208091838U (en) | 2018-04-17 | 2018-04-17 | Vertical shearing experimental rig in a kind of firm hard formation hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091838U true CN208091838U (en) | 2018-11-13 |
Family
ID=64055460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820540940.3U Expired - Fee Related CN208091838U (en) | 2018-04-17 | 2018-04-17 | Vertical shearing experimental rig in a kind of firm hard formation hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959865A (en) * | 2021-09-25 | 2022-01-21 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock soil shear test equipment |
-
2018
- 2018-04-17 CN CN201820540940.3U patent/CN208091838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959865A (en) * | 2021-09-25 | 2022-01-21 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock soil shear test equipment |
| CN113959865B (en) * | 2021-09-25 | 2024-04-16 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock-soil shear test equipment |
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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 |
Granted publication date: 20181113 Termination date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |