CN207280860U - The parallel locking device of upper shear box - Google Patents
The parallel locking device of upper shear box Download PDFInfo
- Publication number
- CN207280860U CN207280860U CN201721106062.6U CN201721106062U CN207280860U CN 207280860 U CN207280860 U CN 207280860U CN 201721106062 U CN201721106062 U CN 201721106062U CN 207280860 U CN207280860 U CN 207280860U
- Authority
- CN
- China
- Prior art keywords
- shear box
- shaped groove
- upper shear
- locking device
- fixed link
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of parallel locking device of upper shear box, including upper shear box, column, upper mounted plate, bottom plate, steel ball, fixed link and closing piece device；Uprights vertical is arranged on the both sides of shear box, its top is connected fixation with upper mounted plate, and bottom is slidably connected with bottom plate；The top of upper shear box offers the first V-shaped groove on the side opposite with column, the second V-shaped groove is offered on a side of fixed link, multiple steel balls are placed on the second V-shaped groove and the first V-shaped groove is formed and slided.Closing piece device is installed on column, makes fine adjustment screw promote fixed link to realize that steel ball is locked with upper shear box by rotary fine adjustment knob.The design that the utility model passes through double columns, double-slider component, steel ball and twin-lock block assembly, by the parallel locking of upper shear box, on the one hand shear box is enable to be moved in parallel on down cut box, avoid shear box from being tilted after pusher is to power, on the other hand avoid upper and lower shear box from producing friction coefficient under to normal force.
Description
Technical field
The shear strength test apparatus field of soil is the utility model is related to, more particularly to upper shear box in a kind of direct shear apparatus
Parallel locking device.
Background technology
Direct shear test is to measure a kind of common method of soil classifiction, drag of the measure material under shearing resistance effect
Performance, is one of fundamental test method of mechanical property of materials experiment.Sample is placed on shearing clamp, in the work of shear-type load
It is cut off with lower, frictional force and internal cohesion in soil classifiction index is determined further according to Coulomb's law and shearing law.
Above-mentioned experiment usually exists at present《Strain controlling formula direct shear apparatus》（GB4934-1996 standards）Carry out：Hereinafter referred to as direct shear apparatus.
Domestic all direct shear apparatuses do the experiment of above-mentioned requirements at present, have a set of shearing clamp, are also generally called shear box, including
Water storage case, down cut box and upper shear box, and water storage case and down cut box can be solidified as a whole by being machined connection.Tried
It is that pusher is put down to down cut box under mechanical action to down cut box under normal pressure by instrument mechanical pusher when testing
Row thrust, moves in parallel shear box and down cut box, cuts up soil sample.The defects of existing shearing clamp is, down cut
Box is to secure soil sample and down cut box to pressure by normal direction, and upper shear box is flat to float on top, only a vertex, institute
Floated with when there is shearing force, will result in shear box nose, therefore result in part test data distortion, as shown in Figure 1.
Utility model content
The utility model can be solved existing mainly solving the technical problems that provide a kind of upper shear box parallel locking device
There is upper shear box occurring the problem of nose floats during experiment.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of upper shear box is provided to put down
Row locking device, including：Column, upper mounted plate, steel ball, fixed link and closing piece device；The uprights vertical is arranged on shearing
The both sides of box, its top are connected fixation with fixed plate, its bottom is slidably connected with bottom plate；The top of the upper shear box
The first V-shaped groove, the side of the fixed link along its length are offered on the side opposite with the column along its length
The second V-shaped groove is offered on face, multiple steel balls are placed in the space that first V-shaped groove and the second V-shaped groove are formed, institute
Closing piece device is stated on the column, by promoting another side of the fixed link to realize the locking of steel ball, so that
By the parallel locking of the shear box.
In one preferred embodiment of the utility model, the closing piece device includes fixed seat, plug screws, finely tunes spiral shell
Silk, vernier knob and linear bearing；Wherein, the fixed seat is fixed on the column, and the linear bearing is built in described
The both sides of fixed seat, the plug screw the through insertion fixed seat both sides in, and leading by the linear bearing
The insertion of its head is set to be connected in the fixed link to effect；The fine adjustment screw insertion is installed on the middle part of the fixed seat,
And move along a straight line on it under the control of vernier knob, so as to head on the fixed link, make it tight with the upper shear box
Patch.
In one preferred embodiment of the utility model, described fill in also is nested between the afterbody to screw and the fixed seat
There is spring.
In one preferred embodiment of the utility model, the position position filled in the head to screw and be inserted into the fixed link
In the outside of the steel ball rest area.
In one preferred embodiment of the utility model, the diameter of the steel ball is more than first V-shaped groove and the second V-arrangement
The diameter of groove.
In one preferred embodiment of the utility model, the diameter of second V-shaped groove is more than the straight of first V-shaped groove
Footpath.
In one preferred embodiment of the utility model, pass through guide assembly between the bottom of the column and the bottom plate
It is slidably connected.
In one preferred embodiment of the utility model, the guide assembly includes fixed block, sliding block and sliding slot；Wherein,
The sliding block is fixed on the upper surface of the bottom plate, and the fixed block is fixedly connected on the bottom of the column, its underpart installation
The sliding slot, the sliding slot are nested with the sliding block.
The beneficial effects of the utility model are：A kind of parallel locking device of upper shear box of the utility model, by double columns,
The design of double-slider component, steel ball and twin-lock block assembly, the parallel locking of upper shear box makes adding normal force and down cut box
After pusher is to power, shear box is moved in parallel on down cut box, effectively avoid shear box from promoting
Being upturned on the force of device direction, improves the accuracy of shear strength data；On the other hand upper and lower shear box can be avoided to exist
To generation resistance and friction coefficient under normal pressure.
Brief description of the drawings
Fig. 1 is the structure diagram that the upper shear box of existing direct shear apparatus is upturned in shearing；
Fig. 2 is the dimensional structure diagram of parallel one preferred embodiment of locking device of shear box on the utility model；
Fig. 3 is the partial enlargement structural representation at A in Fig. 2；
The side structure schematic view of closing piece device shown in Fig. 4；
Fig. 5 is the combining structure schematic diagram of shown upper shear box, steel ball and fixed link；
The mark of each component is as follows in attached drawing：Shear box on 1., 2. columns, 3. upper mounted plates, 4. bottom plates, 5. steel balls, 6.
Fixed link, 7. closing piece devices, 8. acorn nuts, 9. guide assemblies, 10. first arc grooves, 11. second arc grooves, 71. fix
Seat, 72. plugs screw, 73. fine adjustment screws, 74. vernier knobs, 75. linear bearings, 76. springs, 711. through holes, 712. ears
Structure, 91. fixed blocks, 92. sliding blocks, 93. sliding slots.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite
Define.
- 5 are please referred to Fig.1, the utility model embodiment includes：
Embodiment 1
A kind of parallel locking device of upper shear box, including：Column 2, upper mounted plate 3, steel ball 5, fixed link 6 and closing piece device
7.The column 2 is double columns, is vertically disposed on the both sides of shear box 1, its top passes through cap-shaped spiral shell with upper mounted plate 3
The connection of mother 8 is fixed, its bottom is slidably connected with bottom plate 4 by slide block assembly 9.
The top of the upper shear box 1 offers the first V-shaped groove 10, institute along its length on the side opposite with column 2
State and offer the second V-shaped groove 11 on the side of fixed link 6 along its length, multiple steel balls 5 are placed on 10 He of the first V-shaped groove
In the space that second V-shaped groove 11 is formed, closing piece device 7 is installed on column 2, its another side by promoting fixed link 6
（The side opposite with the second arc groove）The locking of steel ball is realized, so that by 1 parallel locking of shear box.Wherein, the steel ball 5
Diameter is more than the diameter of the first V-shaped groove 10 and the second V-shaped groove 11, and the diameter of the second V-shaped groove 11 is more than the straight of the first V-shaped groove 10
Footpath.Pass through the design of the ball size and two arc groove sizes so that steel ball will not be out of, two arc grooves are formed space
Roll out and, so when closing piece device is locked, the steel ball positioned at upper shear box both sides forms the effect of slideway, on the one hand ensure that
When normal direction is pressurizeed and laterally urged, upper shear box will not upper and lower tilting；On the other hand it ensure that shear box being capable of parallel cunning
It is dynamic.
The closing piece device 7 includes fixed seat 71, fills in screw 72, fine adjustment screw 73, vernier knob 74 and linear bearing
75；Wherein, fixed seat 71 is fixed on the column 2, and the installation so as to fulfill whole closing piece device is fixed.The two of fixed seat 71
Linear bearing 75 built in side, plug screw 72 through insertion fixed seats 71 both sides in, and pass through the guiding of linear bearing 75
Effect makes the insertion of its head be connected in fixed link 6, it is inserted into the outside that the position of fixed link 6 is located at 5 rest area of steel ball；Institute
The insertion of fine adjustment screw 73 is stated installed in the middle part of 71 other end of fixed seat, and carries out straight line under the control of vernier knob 74 on it
Movement, so as to head on fixed link 6, makes fixed link be close to upper shear box 1, realizes locking function.
In addition, plug screw 72 afterbody and fixed seat 71 between be also equipped with spring 76, when that need not lock, reversely
Rotary fine adjustment knob, makes fine adjustment screw carry out linear counter motion, makes fixed link multiple under the elastic-restoring force effect of spring
Position, realizes solution locking.
The guide assembly 9 includes fixed block 91, sliding block 92 and sliding slot 93；Wherein, sliding block 92 is fixed on the upper table of bottom plate 4
Face, fixed block 91 are fixedly connected on the bottom of column 2, its underpart installation sliding slot 93, and the sliding slot 93 is nested with sliding block 92, structure
Into guide assembly.The groove width of sliding slot 93 is identical with the outside diameter of sliding block 92.
, it is necessary to explanation, term " on ", " under ", "left", "right", " interior ", " outer " etc. in the description of the utility model
The orientation or position relationship of instruction are usual based on orientation shown in the drawings or position relationship, or during invention product use
The orientation or position relationship put, are for only for ease of and describe the present invention and simplify description, rather than indicate or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention's
Limitation.The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. parallel locking device of upper shear box, it is characterised in that including：Column, upper mounted plate, steel ball, fixed link and lock Block assembly；The uprights vertical is arranged on the both sides of shear box, its top is connected fixation with fixed plate, its bottom with Bottom plate is slidably connected；The top of the upper shear box offers the first V-arrangement along its length on the side opposite with the column Groove, the fixed link offer the second V-shaped groove on a side along its length, and multiple steel balls are placed on described first In the space that V-shaped groove and the second V-shaped groove are formed, the closing piece device is installed on the column, by promoting the fixed link Another side realize the locking of steel ball so that by the parallel locking of the shear box.
- 2. the parallel locking device of upper shear box according to claim 1, it is characterised in that the closing piece device includes fixing Seat, plug screw, fine adjustment screw, vernier knob and linear bearing；Wherein, the fixed seat is fixed on the column, described Linear bearing is built in the both sides of the fixed seat, the plug screw the through insertion fixed seat both sides in, and lead to Crossing the guiding role of the linear bearing makes the insertion of its head be connected in the fixed link；The fine adjustment screw insertion is installed on The middle part of the fixed seat, and move along a straight line on it under the control of vernier knob, so as to head on the fixed link, make it It is close to the upper shear box.
- 3. the parallel locking device of upper shear box according to claim 2, it is characterised in that it is described fill in the afterbody that screws with Spring is also equipped between the fixed seat.
- 4. the parallel locking device of upper shear box according to claim 2, it is characterised in that insert on the head to screw of filling in The position for entering the fixed link is located at the outside of the steel ball rest area.
- 5. the parallel locking device of upper shear box according to claim 1, it is characterised in that the diameter of the steel ball is more than institute State the diameter of the first V-shaped groove and the second V-shaped groove.
- 6. the upper parallel locking device of shear box according to claim 1 or 5, it is characterised in that second V-shaped groove it is straight Footpath is more than the diameter of first V-shaped groove.
- 7. the parallel locking device of upper shear box according to claim 1, it is characterised in that the bottom of the column with it is described It is slidably connected between bottom plate by guide assembly.
- 8. the parallel locking device of upper shear box according to claim 7, it is characterised in that the guide assembly includes fixing Block, sliding block and sliding slot；Wherein, the sliding block is fixed on the upper surface of the bottom plate, and the fixed block is fixedly connected on described vertical The sliding slot is installed in the bottom of bar, its underpart, and the sliding slot is nested with the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106062.6U CN207280860U (en) | 2017-08-31 | 2017-08-31 | The parallel locking device of upper shear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106062.6U CN207280860U (en) | 2017-08-31 | 2017-08-31 | The parallel locking device of upper shear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280860U true CN207280860U (en) | 2018-04-27 |
Family
ID=61989266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721106062.6U Expired - Fee Related CN207280860U (en) | 2017-08-31 | 2017-08-31 | The parallel locking device of upper shear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280860U (en) |
-
2017
- 2017-08-31 CN CN201721106062.6U patent/CN207280860U/en not_active Expired - Fee Related
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| 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: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |