CN206638535U - It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property - Google Patents
It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property Download PDFInfo
- Publication number
- CN206638535U CN206638535U CN201720353735.1U CN201720353735U CN206638535U CN 206638535 U CN206638535 U CN 206638535U CN 201720353735 U CN201720353735 U CN 201720353735U CN 206638535 U CN206638535 U CN 206638535U
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- bearing
- plate
- rotating shaft
- upside
- concrete pedestal
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
It is used to survey soil and the boxshear apparatus of structure interface mechanical property the utility model discloses a kind of,Two horizontal power devices have been arranged side by side on the upside of bottom plate,Portal frame is provided between two horizontal power devices,Portal frame lower end is fixedly connected on the upside of bottom plate,Portal frame upper support vertical hydraulic cylinder,Vertical hydraulic cylinder lower end is connected with loading post,Concrete pedestal is provided with below loading post,Concrete pedestal is placed on the upside of tooth plate,Plate teeth are provided with the downside of tooth plate,Shear box is provided between concrete pedestal and loading post,Horizontal power device includes rotating machine,Dress motivation is equipped with rotating shaft,Shaft end is rotatablely connected with bearing,Bearing is fixed on bottom plate,The first torque sensor is installed in rotating shaft between bearing and rotating machine,Axle teeth are provided with rotating shaft between first torque sensor and bearing,Axle teeth are connected with plate teeth corresponding matching,Tooth plate is bridged above two horizontal power devices.
Description
Technical field
Contact surface cutting field is the utility model is related to, it is specially a kind of to be used to survey soil and structure interface mechanical property
Boxshear apparatus.
Background technology
The contact interface of different materials is commonly encountered in building, hydraulic engineering.Because contact interface two layers of material mechanics is special
Property difference, larger shear stress is commonly present in interface both sides and generates displacement non-continuous event, stress and is deformed more multiple
It is miscellaneous.Such as the CFRD in hydraulic engineering, the safety and panel stress of dam body are closely related, and panel exists
Stress in plane depends primarily on the shearing stress distribution state of contact surface between panel and bed course.There is the heart in core wall rockfill dam
Wall earth material and filter material, polytype contact interface such as dam shell material and basement rock.These usual contacts site are that dam body is easily sent out again
The research for the former weak link, thus generation soil particle and structure interface shearing mechanics of making trouble, wherein most widely used instrument
Device is direct shear apparatus, existing boxshear apparatus using placing concrete or other test blocks below shear box, test block be directly placed at bottom plate or
Bottom is provided with the floor of ball, and horizontal pull device is connected with concrete test block, pulls concrete to be in contact face shearing,
But contact of the concrete with bottom plate inevitably produces sliding friction or rolling friction impacts to test accuracy.
Utility model content
The shortcomings that the purpose of this utility model is to solve in the prior art, and propose a kind of for surveying soil and structure
The boxshear apparatus of contact face mechanical property.
To achieve these goals, the utility model adopts the following technical scheme that：
It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property, including bottom plate, concrete pedestal, vertical hydraulic
Cylinder, bottom plate upside have been arranged side by side two horizontal power devices, portal frame, portal frame are provided between two horizontal power devices
Lower end is fixedly connected on the upside of bottom plate, and portal frame upper support vertical hydraulic cylinder, vertical hydraulic cylinder lower end is connected with loading post, is loaded
Concrete pedestal is provided with below post, is provided with shear box between concrete pedestal and loading post, concrete pedestal is placed in tooth
On the upside of plate, be provided with plate teeth on the downside of tooth plate, horizontal power device includes rotating machine, and dress motivation is equipped with rotating shaft, shaft end and
Bearing is rotatablely connected, and bearing is fixed on bottom plate, and the first torque sensor is installed in the rotating shaft between bearing and rotating machine,
Axle teeth are provided with rotating shaft between first torque sensor and bearing, axle teeth are connected with plate teeth corresponding matching, tooth plate
Above two horizontal power devices of bridging.
Preferably, the second moment of torsion inductor is provided between axle teeth and bearing.
Preferably, bearing, top are equipped with rolling bearing, and rolling bearing is socketed with rotating shaft.
Preferably, be symmetrical arranged two limiting plates to raise up on the upside of tooth plate, concrete pedestal be installed on two it is spacing
Between plate.
The advantages of the utility model：It is simple in construction, it is simple to operate, during direct geared is set with moving tooth plate reduction
Outer friction power, lift the precision of the horizontal shear force of survey.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is schematic elevation view of the present utility model；
Fig. 3 is horizontal power schematic device of the present utility model；
Fig. 4 is toothed plate structure schematic diagram of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
According to Fig. 1 to Fig. 4, the utility model is used to survey soil and the shearing of structure interface mechanical property to be a kind of
Instrument, bottom plate 1, concrete pedestal 9, vertical hydraulic cylinder 5 being provided with, two horizontal power devices 2 have been arranged side by side in the upside of bottom plate 1,
Portal frame 4 is installed between two horizontal power devices 2, the lower end of portal frame 4 is fixedly connected 1 on the upside of bottom plate, the top of portal frame 4
Crossbeam is connected with vertical hydraulic cylinder 5, is kept the stabilization of vertical hydraulic cylinder 5, the stable output vertical pressure of vertical hydraulic cylinder 5, is ensured examination
Test vertical load；The lower end of vertical hydraulic cylinder 5 is connected with loading post 11, and the vertical lower section of loading post 11 is provided with tooth plate 8, tooth plate 8
Upside sets two symmetrical vertical spacing plates 15, and concrete pedestal 9, limiting plate and concrete pedestal 9 are disposed in limiting plate 15
Tight clamping fit places slip of the concrete pedestal 9 when shearing in tooth plate 8, and concrete pedestal 9 and the staight scissors placement of loading post 11 are cut
Cut box 10；The downside of tooth plate 8 is provided with plate teeth 16, and horizontal power device 2 includes rotating machine 12, and dress motivation 12 is equipped with rotating shaft 17,
The end of rotating shaft 17 is provided with bearing 6 and is rotatablely connected, and the top of bearing 6 is equipped with rolling bearing 13, and rolling bearing 13 is socketed with rotating shaft 17,
It is easy to axis of rotation；Bearing 6 is fixed on bottom plate 1, and the first torsion is installed in the rotating shaft 17 between bearing 6 and rotating machine 12
Inductor 3, the first torque sensor 3 is measuring the resistance that tooth plate 8 passes to rotating shaft 17；First torque sensor 3 and bearing 6
Between rotating shaft 17 on be provided with axle teeth 14, be provided with the second moment of torsion inductor 7 between axle teeth 14 and bearing 6, second turns round
Square sensor 7 measures numerical value to measure rotation friction between rotating shaft and bearing 6, by the first torque sensor 3 and subtracts
The numerical value of two sensor 7 show that whole active forces of tooth plate 8 are given in rotating shaft 17, and excluding outer friction power influences, first moment of torsion
Sensor 3 is connected with the second torque sensor 7 with external data processing systems；Axle teeth 14 connect with the corresponding matching of plate teeth 16
Connect, tooth plate 8 bridges two tops of horizontal power device 2, and horizontal device should keep the level of tooth plate 8, two horizontal power devices 2
Rotating machine 12 keep the same rotating speed of same power.
In use, being transferred to experiment sand grains in shear box 10, experiment concrete test block is placed on concrete pedestal 9, is hung down
Straight press cylinder 5 applies vertical load by loading post 11 to shear box 10, starts rotating machine 12 and promotes concrete test block with moving tooth plate 8
The data obtained transmission external data processing systems are measured water by horizontal movement, the first moment of torsion inductor 3 and the second moment of torsion inductor 7
Truncation power.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of be used to survey soil and the boxshear apparatus of structure interface mechanical property, including bottom plate (1), concrete pedestal（9）, it is vertical
Hydraulic cylinder (5), it is characterised in that：Two horizontal power devices (2), two horizontal power dresses have been arranged side by side on the upside of bottom plate (1)
Put and portal frame (4) is provided between (2), portal frame (4) lower end is fixedly connected on the upside of bottom plate (1), and portal frame (4) support is vertical
Hydraulic cylinder (5), vertical hydraulic cylinder (5) lower end are connected with loading post（11）, load post（11）Lower section is provided with concrete pedestal
（9）, the concrete pedestal（9）With loading post（11）Between be provided with shear box（10）, concrete pedestal（9）It is placed in tooth plate
（8）Upside, tooth plate（8）Downside is provided with plate teeth（16）, horizontal power device (2) includes rotating machine（12）, fill motivation（12）
Equipped with rotating shaft（17）, rotating shaft（17）End and bearing（6）Rotation connection, bearing（6）It is fixed on bottom plate (1), positioned at bearing（6）
And rotating machine（12）Between rotating shaft（17）The first torque sensor of upper installation (3), the first torque sensor (3) and bearing（6）
Between rotating shaft（17）On be provided with axle teeth（14）, axle teeth（14）With plate teeth（16）Corresponding matching connects, tooth plate（8）Across
Connect two horizontal power devices（2）Top.
It is 2. according to claim 1 a kind of for surveying soil and the boxshear apparatus of structure interface mechanical property, it is characterised in that：
Axle teeth（14）With bearing（6）Between be provided with the second moment of torsion inductor（7）.
It is 3. according to claim 1 a kind of for surveying soil and the boxshear apparatus of structure interface mechanical property, it is characterised in that：
Bearing（6）, top is equipped with rolling bearing（13）, rolling bearing（13）With rotating shaft（17）Socket.
It is 4. according to claim 1 a kind of for surveying soil and the boxshear apparatus of structure interface mechanical property, it is characterised in that：
Tooth plate（8）Upside is symmetrical arranged two limiting plates to raise up（15）, concrete pedestal（9）It is installed on two limiting plates（15）
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353735.1U CN206638535U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353735.1U CN206638535U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638535U true CN206638535U (en) | 2017-11-14 |
Family
ID=60247782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353735.1U Expired - Fee Related CN206638535U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be used to survey soil and the boxshear apparatus of structure interface mechanical property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682691A (en) * | 2019-01-30 | 2019-04-26 | 河南理工大学 | A kind of borehole wall and enclose soil contact face shearing test equipment |
-
2017
- 2017-04-06 CN CN201720353735.1U patent/CN206638535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682691A (en) * | 2019-01-30 | 2019-04-26 | 河南理工大学 | A kind of borehole wall and enclose soil contact face shearing test equipment |
| CN109682691B (en) * | 2019-01-30 | 2021-11-12 | 河南理工大学 | Shearing test equipment for contact surface of well wall and surrounding soil |
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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: 20171114 Termination date: 20210406 |