CN208270328U - A kind of shear test frock fixture - Google Patents
A kind of shear test frock fixture Download PDFInfo
- Publication number
- CN208270328U CN208270328U CN201820694425.0U CN201820694425U CN208270328U CN 208270328 U CN208270328 U CN 208270328U CN 201820694425 U CN201820694425 U CN 201820694425U CN 208270328 U CN208270328 U CN 208270328U
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- pulling seat
- reinforcing column
- clamping screw
- block
- shear test
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Abstract
The utility model discloses a kind of shear test frock fixture, the upper end of upper pulling seat is connected with upper connecting rod, and the lower part of upper pulling seat is provided with U-shaped opening, and lower pulling seat can be slidably embedded in U-shaped opening along the vertical direction, and the lower end of lower pulling seat is connected with lower connecting rod；Upper pulling seat is upper to be provided with horizontal adjustment apertures above U-shaped opening, lower pulling seat is upper to be provided with horizontal lower adjustment hole below adjustment apertures, upper clamping screw can pass through adjustment apertures from the back side of upper pulling seat and be bolted in top shoe to adjust the horizontal position of top shoe, and lower clamping screw can pass through lower adjustment hole from the back side of lower pulling seat and be bolted in sliding block to adjust the horizontal position of sliding block；It is connected at intervals with top shoe on the front of upper pulling seat perpendicular to the positive upper reinforcing column of upper pulling seat, the affixed lower reinforcing column for being parallel to reinforcing column in lower section of upper reinforcing column is located on the front of lower pulling seat.The fixture is used for the shearing test of track gauge block.
Description
Technical field
The utility model relates to clamp fixtures, more particularly to shear test frock fixture
Background technique
Track gauge block is important one of the components of rail fastener, is mounted on rail and iron chair, gauge apron or embedded iron
Between seat, its main function is the adjustment for carrying out gauge and the insulation performance for ensureing fastener system.When train operation, train
The effect of a longitudinal force is had with rail, wherein mainly frictional force, this can make rail generate longitudinal movement, even drive sometimes
Rail moves together, and this phenomenon is just called creeprail.When creeprail, due to the presence of frictional force, rail can give rail
Away from the biggish active force of block.So the anti-shearing force destructive characteristics of track gauge block are particularly important performance indicators.
The shearing test test fixture of track gauge block is only made of upper pulling seat and lower pulling seat at present, and every set tooling is directed to a kind of type
Number track gauge block, if carrying out various types of track gauge block shearing tests, a large amount of time and efforts is wasted in testing machine more
It changes in tooling.In addition, because company's track gauge block product category is more, and there is a possibility that extension new product at any time.So design
A kind of versatile track gauge block shear test frock is significant.This not only reduces in usually inspection work a large amount of
Time cost, while test period etc. is also saved during the R & D design of new product, a kind of rail of universal strong
Management cost also is reduced in the management of work measuring device tool away from block shear test frock.
Utility model content
The purpose of the utility model is to provide a kind of shear test frock fixture, which can be to various types of gauges
Block carries out shearing test, can save the management cost of plenty of time cost, R & D design cost and tooling.
To achieve the goals above, the utility model provides a kind of shear test frock fixture, which includes pull-up
Seat, lower pulling seat, top shoe, sliding block, upper clamping screw and lower clamping screw, the upper end of the upper pulling seat are connected with connection
Bar, the lower part of the upper pulling seat are provided with U-shaped opening, and the lower pulling seat can slidably be embedded at described U-shaped along the vertical direction
In opening, the lower end of the lower pulling seat is connected with lower connecting rod；The upper pulling seat is upper to be provided with above the U-shaped opening
Horizontal adjustment apertures, the lower pulling seat is upper to be provided with horizontal lower adjustment hole below the adjustment apertures, it is described on
Clamping screw can pass through the adjustment apertures from the back side of the upper pulling seat and be bolted in the top shoe to adjust on described
The horizontal position of sliding block, the lower clamping screw can pass through the lower adjustment hole from the back side of the lower pulling seat and be bolted in institute
Sliding block is stated to adjust the horizontal position of the sliding block；It is affixed at intervals with the top shoe on the front of the upper pulling seat
Have perpendicular to the upper positive upper reinforcing column of pulling seat, the lower section that the upper reinforcing column is located on the front of the lower pulling seat is affixed
It is parallel to the lower reinforcing column of the upper reinforcing column.
Preferably, the front top of the upper pulling seat is provided with gib block, and the top end face of the top shoe is tightly attached to institute
State gib block；The positive bottom of the lower pulling seat is provided with lower gib block, the bottom face of the sliding block be tightly attached to it is described under
Gib block.
Preferably, the upper connecting rod is fixed in vertically on the upper gib block, the lower connecting rod and the upper connection
Bar is coaxially fixed on the lower gib block.
Preferably, the upper reinforcing column and the lower reinforcing column are respectively positioned on the upper connecting rod and/or the lower connecting rod
Axial location.
Preferably, sliding slot is provided on two inner sidewalls of the U-shaped opening, the two sides of the lower pulling seat are provided with and institute
The corresponding convex block of sliding slot is stated, the convex block can be slided along the length direction of the sliding slot；Wherein, the bottom of the sliding slot with
External world's connection.
Preferably, the quantity of the upper clamping screw is 1-2, be provided on the top shoe respective numbers and with institute
State the upper screwed hole that clamping screw matches；The quantity of the lower clamping screw is 1-2, is provided on the sliding block
Respective numbers and the lower threaded hole that matches with the lower clamping screw.
Preferably, the adjustment apertures are identical as the length of the lower adjustment hole, and the projection phase being located on vertical direction
It is overlapped.
Preferably, the upper reinforcing column and the lower reinforcing column are adjacent to one end corner of track gauge block as fillet, and fillet
Diameter is 5-30mm.
Preferably, the adjustment apertures and the lower adjustment hole are provided with multiple along vertical line, and are located at vertical side
Upward projection all coincides.
Preferably, the length of the adjustment apertures and the lower adjustment hole is 5-250mm.
According to the above technical scheme, the upper end of upper pulling seat described in the utility model is connected with upper connecting rod, the pull-up
The lower part of seat is provided with U-shaped opening, and the lower pulling seat can be slidably embedded in the U-shaped opening along the vertical direction, described
The lower end of lower pulling seat is connected with lower connecting rod；The upper pulling seat is upper to be provided with horizontal up-regulation above the U-shaped opening
Knothole, the lower pulling seat is upper to be provided with horizontal lower adjustment hole, the upper clamping screw energy below the adjustment apertures
It is enough to pass through the adjustment apertures from the back side of the upper pulling seat and be bolted in the top shoe to adjust the level of the top shoe
Position, the lower clamping screw can from the back side of the lower pulling seat pass through the lower adjustment hole and be bolted in the sliding block with
Adjust the horizontal position of the sliding block；It is connected at intervals with the top shoe perpendicular to institute on the front of the upper pulling seat
State the positive upper reinforcing column of pulling seat, the lower section that the upper reinforcing column is located on the front of the lower pulling seat affixed is parallel to institute
State the lower reinforcing column of reinforcing column.Since track gauge block is integrally in the block structure of bar shaped, side is U-shaped notch, and U-shaped notch bottom
The Liang Ge corner in portion is that upper pulling seat and lower pulling seat are mutually drawn close when carrying out shearing experiment and are adjusted to suitable position by fillet
It sets, until calculation when upper reinforcing column and lower reinforcing column can be located at two fillet positions of the U-shaped indentations bottom on track gauge block
Preliminary installation is in place, then unclamps upper clamping screw and lower clamping screw top shoe and sliding block is mobile towards gauge Block direction
To resist track gauge block, then lock clamping screw and lower clamping screw, finally by draw upper pulling seat and lower pulling seat make each other it
Between be located remotely from each other, calculated when observing track gauge block damage and complete primary experiment, pass through the opposite of upper and lower pulling seat at this time
Misalignment and stress condition obtain shearing experiment data, and the track gauge block of different size model is only needed by movement
The position of sliding block and sliding block, in the Primary Location of track gauge block, track gauge block be by upper reinforcing column, lower reinforcing column, on
The common cooperation of sliding block and sliding block is located and clamps in the horizontal direction.Upper connecting rod and lower connecting rod respectively with testing machine
Upper and lower jaw connection, testing machine provide the driving force for driving upper and lower jaw close to each other or separate, which is existing skill
Art, details are not described herein.
Other feature and advantage of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of Facad structure figure of preferred embodiment of fixture in the utility model；
Fig. 2 is a kind of construction profile of preferred embodiment of fixture in the utility model；
Fig. 3 is the structural schematic diagram of track gauge block in the utility model.
Description of symbols
The lower pulling seat of pulling seat 2 on 1
Gib block on 101 upper connecting rods 102
104 adjustment apertures of column are reinforced on 103
Clamping screw on 105 top shoes 106
The lower gib block of 201 lower connecting rods 202
The lower adjustment hole of 203 lower reinforcing columns 204
The lower clamping screw of 205 sliding blocks 206
3 track gauge blocks
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, term is included in " up and down, inside and outside front and back " etc.
In the noun of locality only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and
It is not construed as the limitation to the term.
Referring to shear test frock fixture shown in Fig. 1-2, the fixture include upper pulling seat 1, lower pulling seat 2, top shoe 105,
The upper end of sliding block 205, upper clamping screw 106 and lower clamping screw 206, the upper pulling seat 1 is connected with upper connecting rod 101, institute
The lower part for stating pulling seat 1 is provided with U-shaped opening, and the lower pulling seat 2 can slidably be embedded at the U-shaped opening along the vertical direction
Interior, the lower end of the lower pulling seat 2 is connected with lower connecting rod 201；It is arranged on the upper pulling seat 1 positioned at the top of the U-shaped opening
There are horizontal adjustment apertures 104, the lower section that the adjustment apertures 104 are located on the lower pulling seat 2 is provided with horizontal lower adjusting
Hole 204, the upper clamping screw 106 can pass through the adjustment apertures 104 from the back side of the upper pulling seat 1 and be bolted in described
For top shoe 105 to adjust the horizontal position of the top shoe 105, the lower clamping screw 206 can be from the back of the lower pulling seat 2
Face passes through the lower adjustment hole 204 and is bolted in the sliding block 205 to adjust the horizontal position of the sliding block 205；It is described
It is connected at intervals with the top shoe 105 perpendicular to the upper positive upper reinforcing column of pulling seat 1 on the front of upper pulling seat 1
103, the lower section that the upper reinforcing column 103 is located on the front of the lower pulling seat 2 affixed is parallel to the upper reinforcing column 103
Lower reinforcing column 203.
Through the implementation of the above technical solution, the upper end of the upper pulling seat 1 is connected with upper connecting rod 101, the upper pulling seat 1
Lower part be provided with U-shaped opening, the lower pulling seat 2 can be slidably embedded in the U-shaped opening along the vertical direction, under described
The lower end of pulling seat 2 is connected with lower connecting rod 201；Be located above the U-shaped opening on the upper pulling seat 1 be provided with it is horizontal upper
Adjustment hole 104, the lower section that the adjustment apertures 104 are located on the lower pulling seat 2 is provided with horizontal lower adjustment hole 204, described
Upper clamping screw 106 can pass through the adjustment apertures 104 from the back side of the upper pulling seat 1 and be bolted in the top shoe 105
To adjust the horizontal position of the top shoe 105, the lower clamping screw 206 can pass through institute from the back side of the lower pulling seat 2
It states lower adjustment hole 204 and is bolted in the sliding block 205 to adjust the horizontal position of the sliding block 205；The upper pulling seat 1
It is connected with perpendicular to the upper positive upper reinforcing column 103 of pulling seat 1, under described at intervals on front with the top shoe 105
It is located at the affixed lower reinforcing column for being parallel to the upper reinforcing column 103 in lower section of the upper reinforcing column 103 on the front of pulling seat 2
203.It is in the block structure of bar shaped since track gauge block 3 is whole, side is U-shaped notch, and the Liang Ge corner of U-shaped indentations bottom is
Upper pulling seat 1 and lower pulling seat 2 are mutually drawn close when carrying out shearing experiment and are adjusted to suitable position by fillet, until upper reinforcing column
103 and lower reinforcing column 203 calculate preliminary installation when can be located at two fillet positions of the U-shaped indentations bottom on track gauge block 3
In place, upper clamping screw 106 and lower clamping screw 206 are then unclamped by top shoe 105 and sliding block 205 towards 3 side of track gauge block
To mobile to resist track gauge block 3, then clamping screw 106 and lower clamping screw 206 are locked, finally by upper 1 He of pulling seat of traction
Lower pulling seat 2 makes to be located remotely from each other each other, calculates when observing that track gauge block 3 damages and completes primary experiment, leads at this time
The relative displacement situation and stress condition for crossing upper and lower pulling seat 2 obtain shearing experiment data, for the gauge of different size model
Block 3 positions needed through mobile top shoe 105 and sliding block 205, in the Primary Location of track gauge block 3, track gauge block
3 be to be located and by the common cooperation of upper reinforcing column 103, lower reinforcing column 203, top shoe 105 and sliding block 205 in level
Direction clamps.Upper connecting rod 101 and lower connecting rod 201 are connect with the upper and lower jaw of testing machine respectively, testing machine, which provides, to be driven,
Lower jaw driving force close to each other or separate, the testing machine are the prior art, and details are not described herein.
In this embodiment, in order to avoid top shoe 105 and the random rotation of sliding block 205, it is preferable that the upper pulling seat
1 front top is provided with gib block 102, and the top end face of the top shoe 105 is tightly attached to the upper gib block 102；It is described
The positive bottom of lower pulling seat 2 is provided with lower gib block 202, and the bottom face of the sliding block 205 is tightly attached to the lower gib block
202.Being closely attached on upper gib block 102 and the sliding of lower gib block 202 respectively by top shoe 105 and sliding block 205 prevents it arbitrarily
Rotation.
In this embodiment, in order to preferably transmit the active force of upper connecting rod 101 and lower connecting rod 201 to upper reinforcing
On column 103 and lower reinforcing column 203, it is preferable that the upper connecting rod 101 is fixed in vertically on the upper gib block 102, under described
Connecting rod 201 and the upper connecting rod 101 are coaxially fixed on the lower gib block 202.
In this embodiment it is preferred that ground, the upper reinforcing column 103 and the lower reinforcing column 203 are respectively positioned on the upper company
The axial location of extension bar 101 and/or the lower connecting rod 201.Implementation in this way makes capable application direction and track gauge block
3 Impact direction is located on same vertical line, reduces the loss of power, increases experimental precision.
In this embodiment, in order to further realize the U-shaped opening that lower pulling seat 2 is slidingly arranged at the upper pulling seat 1
It is interior, it is preferable that sliding slot to be provided on two inner sidewalls of the U-shaped opening, the two sides of the lower pulling seat 2 are provided with and the cunning
The corresponding convex block of slot, the convex block can be slided along the length direction of the sliding slot；Wherein, the bottom of the sliding slot and the external world
Connection.Pulling seat 2 under realization is slided in sliding slot by convex block to be slidingly arranged in the U-shaped opening of the upper pulling seat 1, in addition,
It is in communication with the outside for the ease of separating upper pulling seat 1 and lower pulling seat 2, the bottom of sliding slot, when fractionation, it is only necessary to extract lower pulling seat 2 out
?.
In this embodiment, in order to further increase sliding block sliding stability and fixation fixing, it is preferable that
The quantity of the upper clamping screw 106 is 1-2, be provided on the top shoe 105 respective numbers and with the upper locking
The upper screwed hole that bolt 106 matches；The quantity of the lower clamping screw 206 is 1-2, is provided on the sliding block 205
Respective numbers and the lower threaded hole that matches with the lower clamping screw 206.Clamping screw is also unsuitable excessive, otherwise can occupy
The space of upper and lower adjustment hole 204 is more, is unfavorable for testing.
In this embodiment, in order to realize the synchronous adjustment of upper and lower adjustment hole 204, better regulating effect is obtained, it is excellent
Selection of land, the adjustment apertures 104 are identical as the length of the lower adjustment hole 204, and the projection being located on vertical direction coincides.
In this embodiment, in order to meet more experiment demands and improve experimental precision, it is preferable that the upper reinforcing
One end corner that column 103 and the lower reinforcing column 203 are adjacent to track gauge block is fillet, and fillet diameter is 5-30mm.Specifically
It may refer to attached drawing 3, upper reinforcing column 103 and the lower fillet for reinforcing column 203 are symmetrical with the axis of track gauge block 3, also, above add
Power column 103 and it is lower reinforcing column 203 fillet can just with the Liang Ge corner of U-shaped indentations bottom on track gauge block 3 fillet phase contract
It closes, to reach maximum tightness, improves experimental precision.
In this embodiment, in order to further enhance the stability of upper and lower sliding block 205, it is preferable that the adjustment apertures
104 and the lower adjustment hole 204 be provided with along vertical line it is multiple, and be located at vertical direction on projection all coincide.
In this embodiment, in order to meet the experiment of plurality of specifications track gauge block 3, it is preferable that 104 He of adjustment apertures
The length of the lower adjustment hole 204 is 5-250mm.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of shear test frock fixture, which is characterized in that the fixture includes upper pulling seat (1), lower pulling seat (2), top shoe
(105), the upper end of sliding block (205), upper clamping screw (106) and lower clamping screw (206), the upper pulling seat (1) is connected with
Upper connecting rod (101), the lower part of the upper pulling seat (1) are provided with U-shaped opening, and the lower pulling seat (2) can slide along the vertical direction
It is embedded in the U-shaped opening dynamicly, the lower end of the lower pulling seat (2) is connected with lower connecting rod (201)；
It is located above the U-shaped opening on the upper pulling seat (1) and is provided with horizontal adjustment apertures (104), the lower pulling seat
(2) it is located at below the adjustment apertures (104) on and is provided with horizontal lower adjustment hole (204), the upper clamping screw (106)
The adjustment apertures (104) can be passed through from the back side of the upper pulling seat (1) and are bolted in the top shoe (105) to adjust
The horizontal position of top shoe (105) is stated, the lower clamping screw (206) can pass through described from the back side of the lower pulling seat (2)
Lower adjustment hole (204) is simultaneously bolted in the sliding block (205) to adjust the horizontal position of the sliding block (205)；
It is connected at intervals perpendicular to the upper pulling seat (1) just on the front of the upper pulling seat (1) with the top shoe (105)
The upper reinforcing column (103) in face is located on the front of the lower pulling seat (2) below the upper reinforcing column (103) and is connected in parallel
In the lower reinforcing column (203) of upper reinforcing column (103).
2. shear test frock fixture according to claim 1, which is characterized in that the front top of the upper pulling seat (1)
It is provided with gib block (102), the top end face of the top shoe (105) is tightly attached to the upper gib block (102)；
The positive bottom of the lower pulling seat (2) is provided with lower gib block (202), and the bottom face of the sliding block (205) is tightly attached to
The lower gib block (202).
3. shear test frock fixture according to claim 2, which is characterized in that the upper connecting rod (101) is solid vertically
Be connected on the upper gib block (102), the lower connecting rod (201) and the upper connecting rod (101) be coaxially fixed in it is described under
On gib block (202).
4. shear test frock fixture according to claim 3, which is characterized in that the upper reinforcing column (103) and described
Lower reinforcing column (203) is respectively positioned on the axial location of the upper connecting rod (101) and/or the lower connecting rod (201).
5. shear test frock fixture according to claim 1, which is characterized in that on two inner sidewalls of the U-shaped opening
It is provided with sliding slot, the two sides of the lower pulling seat (2) are provided with convex block corresponding with the sliding slot, and the convex block can be along institute
State the length direction sliding of sliding slot；Wherein, the bottom of the sliding slot is in communication with the outside.
6. shear test frock fixture according to claim 1, which is characterized in that the number of the upper clamping screw (106)
Amount is 1-2, be provided on the top shoe (105) respective numbers and is matched with the upper clamping screw (106) upper
Threaded hole；
The quantity of the lower clamping screw (206) is 1-2, be provided on the sliding block (205) respective numbers and with institute
State the lower threaded hole that lower clamping screw (206) matches.
7. shear test frock fixture according to claim 1, which is characterized in that the adjustment apertures (104) with it is described
The length of lower adjustment hole (204) is identical, and the projection being located on vertical direction coincides.
8. shear test frock fixture according to any one of claims 1-7, which is characterized in that the upper reinforcing column
(103) and lower reinforcing column (203) is adjacent to one end corner of track gauge block as fillet, and fillet diameter is 5-30mm.
9. shear test frock fixture according to any one of claims 1-7, which is characterized in that the adjustment apertures
(104) and the lower adjustment hole (204) is provided with the whole mutually overlappings of projection that are multiple, and being located on vertical direction along vertical line
It closes.
10. shear test frock fixture according to claim 9, which is characterized in that adjustment apertures (104) and described
The length of lower adjustment hole (204) is 5-250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694425.0U CN208270328U (en) | 2018-05-10 | 2018-05-10 | A kind of shear test frock fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694425.0U CN208270328U (en) | 2018-05-10 | 2018-05-10 | A kind of shear test frock fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270328U true CN208270328U (en) | 2018-12-21 |
Family
ID=64681600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820694425.0U Active CN208270328U (en) | 2018-05-10 | 2018-05-10 | A kind of shear test frock fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270328U (en) |
-
2018
- 2018-05-10 CN CN201820694425.0U patent/CN208270328U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Changxi Inventor after: Yu Haoyong Inventor after: Wang Shuyi Inventor after: Zhu Jiguang Inventor after: Lv Mingkui Inventor after: Wang Pei Inventor after: Wang Lei Inventor after: Xu Haitao Inventor after: Liu Songhua Inventor before: Liu Changxi Inventor before: Yu Haoyong Inventor before: Wang Shuyi Inventor before: Zhu Jiguang Inventor before: Lv Mingkui Inventor before: Wang Pei Inventor before: Wang Lei Inventor before: Xu Haitao Inventor before: Liu Songhua |