CN208091837U - The electronic hand direct shear apparatus of strain-type - Google Patents
The electronic hand direct shear apparatus of strain-type Download PDFInfo
- Publication number
- CN208091837U CN208091837U CN201820522765.5U CN201820522765U CN208091837U CN 208091837 U CN208091837 U CN 208091837U CN 201820522765 U CN201820522765 U CN 201820522765U CN 208091837 U CN208091837 U CN 208091837U
- Authority
- CN
- China
- Prior art keywords
- box
- force transmission
- motor
- shell
- down cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of electronic hand direct shear apparatus of strain-type, including platen, motor, force transmission mechanism, down cut box, upper shear box, vertical loading system for compressing sample, the down cut box is slidably arranged on platen, the motor is offseted by force transmission mechanism and down cut box, the force transmission mechanism includes shell, the force transmission element being rotatably arranged in shell, the force transmission element includes worm gear, the threaded portion being threadedly coupled with shell, support rod for being abutted with down cut box, rotation is provided with the worm screw engaged with worm gear on the shell, the worm screw is rotated by motor drive, the worm screw stretches out in outside shell away from the end of motor and is fixed with handwheel.Should the electronic hand direct shear apparatus of variant can be worked by electronic, manual two ways, use scope is wide, and the scene that can be supplied in non-transformer directly be tested, and improve the accuracy of experiment, and the reliability of this direct shear apparatus is high, test accuracy height.
Description
Technical field
The utility model is related to Soil K+adsorption technical field, more particularly to a kind of electronic hand direct shear apparatus of strain-type.
Background technology
Airport, square need to do the soil of ground multi-faceted test before construction, the shearing strength test of soil
It is one such, the stability and resistant slide ability of the influence of shear strength ground of soil.
Existing application publication number is that the Chinese invention patent application of CN104034606A discloses a kind of multifunctional earth conjunction
At material interface direct shear apparatus, including instrument stan, motor, transfer beam, displacement meter, upper shear box, down cut box, lever and support
Disk.Lever and pallet are located at the lower section of instrument stan and form vertical loading system；Down cut box is slidably arranged on instrument stan, under
Shear box is for placing soil pattern, and motor is connect by transfer beam with down cut box, displacement meter one end and engine housing
Connection, the other end offset with down cut box.The invention can be used to test the shearing strength of soil, but direct shear apparatus needs are installed on
There is the place that power supply is supplied in laboratory etc., it is difficult to it is tested at the scene, after taking soil to laboratory from scene, and the property of soil
Shape may change, and there may be errors for test result.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of electronic hand staight scissors of strain-type
Instrument, the scene that can be supplied in non-transformer are directly tested, and the accuracy of experiment is improved.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of strain-type electric hand
It shakes direct shear apparatus, including platen, motor, force transmission mechanism, mechanism for testing, the down cut box for placing sample, is placed on down cut
Upper shear box above box, the vertical loading system for compressing sample, the down cut box is slidably arranged on platen, described
Upper shear box is connected with mechanism for testing, and the mechanism for testing is used to measure the stress size of shear box, and the motor is used for
Driving force transmission mechanism offsets with down cut box, and the force transmission mechanism includes shell, the force transmission element that is rotatably arranged in shell, described
Force transmission element includes worm gear, is threadedly coupled with shell threaded portion, the support rod for being abutted with down cut box rotate on the shell
It is provided with the worm screw engaged with worm gear, the worm screw is rotated by motor drive, and the worm screw stretches out away from the end of motor
In outside shell and being fixed with handwheel.
Through the above technical solutions, can be tested under normal circumstances by electronic mode, soil pattern is put into upper shearing
Between box and down cut box, pressing force is then applied to the two by vertical loading system, then starts motor, motor drives
Dynamic worm screw rotation, for worm screw by driving worm gear to rotate with the engagement of worm gear, worm gear drives threaded portion rotation, threaded portion due to
Threaded connection effect with shell generates axial movement, and then force transmission element is driven integrally to generate axial movement, and support rod passes through end
Portion pushes the sliding of down cut box.During sliding, since soil pattern has a shearing strength, the reaction force of sample passes through upper
Shear box is transferred at mechanism for testing, force value, the lower pressure and other parameters of vertical loading system then read according to mechanism for testing
The shearing strength of sample is calculated.When the scene supplied in non-transformer being needed to be tested, user can be directly by rotating hand
The mode of wheel drives worm screw to rotate, and then drives support rod movement, plays identical test effect.To sum up, this direct shear apparatus can pass through
Electronic, manual two ways works, and use scope is wide, and the scene that can be supplied in non-transformer is directly tested, and is improved
The accuracy of experiment.
Preferably, the support rod is rotatablely connected with threaded portion, and key is offered along its length on the side wall of the support rod
Slot, the key lever being inserted into keyway is provided on the shell, and the key lever can be slided relative to the length direction of keyway.
Through the above technical solutions, the cooperation of keyway and key lever, can limit support rod and be rotated in shell, support rod end is reduced
Wear extent of the portion when pushing down cut box.
Preferably, the force transmission element deviates from the end set finite place piece of down cut box, and being provided on the platen can be with
The first switch that locating part abuts, the first switch is for controlling motor stall.
Through the above technical solutions, when locating part is moved to certain distance to the direction far from down cut box, locating part is pressed
Lower first switch, first switch control motor stall, and first switch can prevent locating part to away from shear box direction
It is mobile excessive, play the role of safeguard protection.
Preferably, the locating part include gag lever post, the banking stop that is threadedly coupled with gag lever post, the banking stop be used for
First switch offsets.
Through the above technical solutions, turn banking stop on gag lever post, can change banking stop and first switch it is initial away from
From to adjust the position of force transmission element when locating part presses first switch.
Preferably, down cut box is located on the platen and is provided with second switch at the position of force transmission mechanism, it is described
Down cut box can press second switch, and the second switch is for controlling motor stall.
Through the above technical solutions, when force transmission element pushes down cut box to move a certain distance, down cut box is pressed second and is opened
It closing, second switch controls motor stall, and second switch can prevent locating part excessive to being moved close to shear box direction,
Play the role of safeguard protection.
Preferably, the mechanism for testing include proving ring, the displacement meter that is abutted with proving ring ring wall, the proving ring with it is upper
Shear box is fixedly connected, and position of the proving ring far from upper shear box is fixed on platen.
Through the above technical solutions, during experiment, the reaction force of sample is transferred to dynamometry by upper shear box
At ring, proving ring generates deformation, and the deflection of proving ring is read from displacement meter, then obtains upper shearing according to the parameter of proving ring
The stress value of box.
Preferably, it is fixed with guide rod between the upper shear box and proving ring, guide holder, institute are fixed on the platen
State the pilot hole for offering on guide holder and being slidably matched with guide rod.
Through the above technical solutions, guide rod fixes upper shear box and proving ring, in stress, guide rod exists proving ring
Sliding in pilot hole, guide rod are directed to hole limit and are difficult to generate lateral movement, improve the reliability of mechanism for testing action.
Preferably, be provided with retarder between the motor and force transmission mechanism, the input terminal of the retarder with it is electronic
The output shaft of machine is coaxially fixed, and the output end of the retarder is coaxially fixed with worm screw.
Through the above technical solutions, the engagement of retarder and worm gear, worm screw significantly reduces turning for motor output
Speed is enable force transmission element to be moved with slower speed, reduces influence of the kinetic energy to experiment of force transmission element, improve the stability of experiment
And precision.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：It should the electronic hand direct shear apparatus of variant
It can be worked by electronic, manual two ways, use scope is wide, and the scene that can be supplied in non-transformer is directly tried
It tests, improves the accuracy of experiment, and the reliability of this direct shear apparatus is high, test accuracy is high.
Description of the drawings
Fig. 1 is the stereogram of the electronic hand direct shear apparatus of strain-type of embodiment, mainly protrudes the overall structure of this direct shear apparatus；
Fig. 2 is the Local map of this direct shear apparatus, the structure of main prominent force transmission mechanism；
Fig. 3 is enlarged drawing at the A of Fig. 1, the structure of main prominent mechanism for testing.
Reference numeral：1, platen；21, upper shear box；22, down cut box；3, force transmission mechanism；4, mechanism for testing；5, vertical
Loading system；31, shell；32, force transmission element；321, threaded portion；322, worm gear；323, support rod；33, worm screw；6, motor；61,
Retarder；331, handwheel；34, keyway；35, key lever；36, locating part；361, gag lever post；362, banking stop；71, first switch；
72, second switch；41, proving ring；42, displacement meter；43, guide rod；44, guide holder；441, pilot hole；51, lever；52, it presses
Power part.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
As shown in Figure 1, a kind of electronic hand direct shear apparatus of strain-type, including platen 1, the upper shear box above platen 1
21, down cut box 22, down cut box 22 is for placing soil pattern.It is additionally provided on platen 1 for pushing down cut box 22 to slide
Dynamic force transmission mechanism 3, the mechanism for testing 4 for measuring 21 stress of upper shear box, the vertical load for compressing soil pattern are
System 5.
Down cut box 22 is slidably connected with platen 1 by the fit system foundation of sliding slot sliding block, and glide direction is along platen 1
Length direction, upper shear box 21 is placed in the top of down cut box 22.The hopper for placing sample is offered on down cut box 22,
After placing sample in down cut box 22, a part for sample enters in upper shear box 21.
As depicted in figs. 1 and 2, force transmission mechanism 3 is located at the side of 22 glide direction of down cut box, and force transmission mechanism 3 includes shell
Body 31, the force transmission element 32 being rotatably arranged in shell 31.Force transmission element 32 includes threaded portion 321, the position being threadedly coupled with shell 31
In threaded portion 321 away from the worm gear 322 of 22 side of down cut box, positioned at threaded portion 321 close to the support rod of 22 side of down cut box
323, wherein worm gear 322 is fixedly connected with threaded portion 321, and support rod 323, which is established with threaded portion 321 by way of card slot fixture block, to be turned
Dynamic connection, worm gear 322, threaded portion 321 and 323 three of support rod are coaxial, and the glide direction of its axis direction and down cut box 22
It is identical.Rotation is provided with the worm screw 33 engaged with worm gear 322 in shell 31, and the both ends of worm screw 33 are piercing in shell from both sides respectively
31.Motor 6 and retarder 61 are provided on platen 1, the wherein input terminal of retarder 61 and the output shaft of motor 6 is coaxially solid
Fixed, the output end of retarder 61 is coaxially fixed with one end of worm screw 33, and worm screw 33 is coaxially fixed away from the other end of retarder 61
There is handwheel 331.
When motor 6 starts, the rotating speed that motor 6 exports drives worm screw 33 to rotate after the deceleration of retarder 61, worm screw 33
By driving worm gear 322 to rotate with the engagement of worm gear 322, worm gear 322 drives threaded portion 321 to rotate, threaded portion 321 due to
Threaded connection effect with shell 31 generates axial movement, and then drives force transmission element 32 is whole to generate axial movement, support rod 323
Down cut box 22 is pushed to slide by end.The engagement of retarder 61, worm gear 322 and worm screw 33 significantly reduces motor
The rotating speed of 6 outputs, enables force transmission element 32 to be moved with slower speed, reduces influence of the kinetic energy of force transmission element 32 to experiment, improves
The stability and precision of experiment.
Keyway 34 is offered on the side wall of support rod 323 along its length, is provided on shell 31 for being inserted into keyway 34
Interior key lever 35, key lever 35 can be slided relative to the length direction of keyway 34.The cooperation of keyway 34 and key lever 35, can limit to
The rotation in shell 31 of bar 323 reduces wear extent when support rod 323 pushes down cut box 22.
Force transmission element 32 deviates from the end set finite place piece 36 of down cut box 22, and locating part 36 includes coaxial with worm gear 322
Fixed gag lever post 361, the banking stop 362 being threadedly coupled with gag lever post 361, banking stop 362 are located at outside shell 31.On platen 1
The position of banking stop 362 is provided with first switch 71；It is located at the position that down cut box 22 deviates from force transmission mechanism 3 on platen 1
Place is provided with second switch 72, and first switch 71 and second switch 72 are stalled by circuit controling motor 6.Locating part 36 to
When direction far from down cut box 22 is moved to certain distance, banking stop 362 presses first switch 71, and first switch 71 controls electricity
Motivation 6 is stopped；When force transmission element 32 pushes down cut box 22 to move a certain distance, down cut box 22 presses second switch 72,
Second switch 72 controls motor 6 and is stopped.To sum up, first switch 71 and second switch 72 can prevent locating part 36 from moving
It is excessive, play the role of safeguard protection.
As shown in figures 1 and 3, mechanism for testing 4 includes proving ring 41 and displacement meter 42, proving ring 41 and upper shear box 21 it
Between be fixed with guide rod 43, be located on platen 1 at guide rod 43 and be fixed with guide holder 44, pilot hole is offered on guide holder 44
441, guide rod 43 is penetrated in pilot hole 441 and is slidably matched with pilot hole 441, position of the proving ring 41 far from upper shear box 21
It is fixed on platen 1.The measurement end of displacement meter 42 is vertical with the internal ring wall of proving ring 41 to offset, and the position that offsets above is cut to be close
Cut the position of box 21.
As shown in Figure 1, vertical loading system 5 includes the lever 51 for being located at 1 lower section of platen, the pressure piece being connected with lever 51
52, pressure piece 52 offsets after platen 1 with the top surface of upper shear box 21, and vertical loading system 5 is the prior art, is not made herein
It repeats.When experiment, by vertical loading system 5 can adjustment effect in the pressure of 21 top surface of upper shear box.
When experiment, soil pattern is put between upper shear box 21 and down cut box 22, then passes through vertical loading system 5
Apply pressing force to the two.Then start motor 6, motor 6 drives 323 downward shear box of support rod, 22 direction movement, support rod
323 offset with down cut box 22, and then down cut box 22 is pushed to generate sliding relative to upper shear box 21.In the process of sliding
In, since soil pattern has shearing strength, the reaction force of sample to be transferred at proving ring 41 by upper shear box 21, proving ring
41 generate deformation, the deflection of proving ring 41 are read from displacement meter 42, then according to the parameter of proving ring 41, vertical loading system
The shearing strength of sample is calculated in 5 lower pressure and other parameters.
When the scene supplied in non-transformer being needed to be tested, user can directly be driven by way of rotating handwheel 331
Worm screw 33 rotates, and then support rod 323 is driven to move, and plays identical test effect.To sum up, this direct shear apparatus can pass through electronic, hand
Dynamic two ways works, and use scope is wide, and the scene that can be supplied in non-transformer is directly tested, the fresh journey of sample
Degree is high, improves the accuracy of experiment.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by the attached claims.
Claims (8)
1. a kind of electronic hand direct shear apparatus of strain-type, including platen (1), motor (6), force transmission mechanism (3), mechanism for testing (4),
Down cut box (22), the upper shear box (21) being placed on above down cut box (22) for placing sample, for compressing sample
Vertical loading system (5), the down cut box (22) are slidably arranged on platen (1), the upper shear box (21) and test machine
Structure (4) is connected, and the mechanism for testing (4) is used to measure the stress size of shear box (21), and the motor (6) is for driving
Force transmission mechanism (3) offsets with down cut box (22), it is characterized in that：The force transmission mechanism (3) includes shell (31), is rotatably arranged on
Force transmission element (32) in shell (31), the force transmission element (32) includes worm gear (322), the threaded portion that is threadedly coupled with shell (31)
(321), it is used for the support rod (323) that is abutted with down cut box (22), rotates to be provided on the shell (31) and be nibbled with worm gear (322)
The worm screw (33) of conjunction, the worm screw (33) are driven by motor (6) and are rotated, and the worm screw (33) deviates from the end of motor (6)
It stretches out in shell (31) outside and is fixed with handwheel (331).
2. the electronic hand direct shear apparatus of strain-type according to claim 1, it is characterized in that：The support rod (323) and threaded portion
(321) it is rotatablely connected, offers keyway (34) on the side wall of the support rod (323) along its length, on the shell (31)
It is provided with the key lever (35) being inserted into keyway (34), the key lever (35) can be slided relative to the length direction of keyway (34).
3. the electronic hand direct shear apparatus of strain-type according to claim 1, it is characterized in that：The force transmission element (32) is cut under deviating from
The end set finite place piece (36) of box (22) is cut, can be abutted with locating part (36) first is provided on the platen (1) and is opened
It closes (71), the first switch (71) is stopped for controlling motor (6).
4. the electronic hand direct shear apparatus of strain-type according to claim 3, it is characterized in that：The locating part (36) includes limit
Bar (361), the banking stop (362) being threadedly coupled with gag lever post (361), the banking stop (362) are used for and first switch (71)
It offsets.
5. the electronic hand direct shear apparatus of strain-type according to claim 1, it is characterized in that：It is cut under being located on the platen (1)
It cuts box (22) and is provided with second switch (72) at the position of force transmission mechanism (3), the down cut box (22) can press second
It switchs (72), the second switch (72) is stopped for controlling motor (6).
6. the electronic hand direct shear apparatus of strain-type according to claim 1, it is characterized in that：The mechanism for testing (4) includes surveying
Power ring (41), the displacement meter (42) abutted with proving ring (41) ring wall, the proving ring (41) and the fixed company of upper shear box (21)
It connects, position of the proving ring (41) far from upper shear box (21) is fixed on platen (1).
7. the electronic hand direct shear apparatus of strain-type according to claim 6, it is characterized in that：The upper shear box (21) and dynamometry
It is fixed with guide rod (43) between ring (41), guide holder (44) is fixed on the platen (1), is opened up on the guide holder (44)
There is the pilot hole (441) being slidably matched with guide rod (43).
8. the electronic hand direct shear apparatus of strain-type according to claim 1, it is characterized in that：The motor (6) and power transmission machine
Retarder (61) is provided between structure (3), the output shaft of the input terminal and motor (6) of the retarder (61) is coaxially fixed,
The output end of the retarder (61) is coaxial fixed with worm screw (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522765.5U CN208091837U (en) | 2018-04-12 | 2018-04-12 | The electronic hand direct shear apparatus of strain-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522765.5U CN208091837U (en) | 2018-04-12 | 2018-04-12 | The electronic hand direct shear apparatus of strain-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091837U true CN208091837U (en) | 2018-11-13 |
Family
ID=64055943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522765.5U Expired - Fee Related CN208091837U (en) | 2018-04-12 | 2018-04-12 | The electronic hand direct shear apparatus of strain-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132758A (en) * | 2019-05-23 | 2019-08-16 | 江苏省建苑岩土工程勘测有限公司 | The linkage of tetrad direct shear apparatus |
| CN111307618A (en) * | 2020-04-17 | 2020-06-19 | 上海金地工程勘察有限公司 | Soil shear strength testing equipment and testing method |
| CN113514348A (en) * | 2021-07-10 | 2021-10-19 | 厦门华岩勘测设计有限公司 | Four-linkage direct shear apparatus and use method thereof |
-
2018
- 2018-04-12 CN CN201820522765.5U patent/CN208091837U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132758A (en) * | 2019-05-23 | 2019-08-16 | 江苏省建苑岩土工程勘测有限公司 | The linkage of tetrad direct shear apparatus |
| CN110132758B (en) * | 2019-05-23 | 2021-09-17 | 江苏省建苑岩土工程勘测有限公司 | Linkage device of four-linkage direct shear apparatus |
| CN111307618A (en) * | 2020-04-17 | 2020-06-19 | 上海金地工程勘察有限公司 | Soil shear strength testing equipment and testing method |
| CN113514348A (en) * | 2021-07-10 | 2021-10-19 | 厦门华岩勘测设计有限公司 | Four-linkage direct shear apparatus and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208091837U (en) | The electronic hand direct shear apparatus of strain-type | |
| CN106940274B (en) | Full-automatic rheological straight shear device and experimental operation method thereof | |
| CN207703633U (en) | A kind of New universal material test machine | |
| CN103439191B (en) | Experimental platform aiming at comprehensive performance testing of IPMC (Ionic Polymer Metal Composite) artificial muscle material | |
| CN103712791A (en) | Main shaft axial dynamic stiffness test device | |
| CN210604207U (en) | Concrete pipe pile bending resistance test device | |
| CN206038308U (en) | Brake is with test device of ball reliability | |
| CN101210799B (en) | Car brake disk assembly jump measuring instrument | |
| CN201548167U (en) | Servo loading measurement device of electronic thickness gauge | |
| CN101539567B (en) | Full-automatic petroleum asphalt penetration measuring instrument | |
| CN111141622A (en) | Tiltable shearing device | |
| CN106289801A (en) | A kind of multifunctional automobile chassis parts testing stand | |
| CN203698694U (en) | Measurement adjusting rotation disc device | |
| CN201149480Y (en) | Instrument for measuring pulsation of car brake disk assembly | |
| CN208139977U (en) | A kind of hole location tolerance detection device | |
| CN206740383U (en) | A kind of fatigue strength tester | |
| CN103424317A (en) | Vane shear test loading device | |
| CN105021486A (en) | Device for calibration of metal rockwell hardness tester indentation depth measurement systems | |
| CN214844546U (en) | Soil body shearing box and experiment system with same | |
| CN204739983U (en) | Portable gear type wheel tooth pitch detection device | |
| CN104786256B (en) | A kind of acoustical material test specimen cutting press | |
| CN211825497U (en) | Tiltable shearing device | |
| CN205898342U (en) | Bearing friction torque testing arrangement of adjustable axial load and deflecting torque | |
| CN209311238U (en) | A kind of littoral facies soft clay slurry-Soil Interface shear parameters measuring instrument | |
| CN208520566U (en) | A kind of torsional fatigue test platform |
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: 20181113 |