CN207396203U - A kind of profiled-cross-section section bar stretching clamp - Google Patents
A kind of profiled-cross-section section bar stretching clamp Download PDFInfo
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- CN207396203U CN207396203U CN201721529124.4U CN201721529124U CN207396203U CN 207396203 U CN207396203 U CN 207396203U CN 201721529124 U CN201721529124 U CN 201721529124U CN 207396203 U CN207396203 U CN 207396203U
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- section bar
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- profiled
- pedestal
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- 210000000078 claw Anatomy 0.000 claims abstract description 57
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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Abstract
The utility model is related to a kind of profiled-cross-section section bar stretching clamps, including upper grip and lower collet, upper grip includes pedestal, pedestal upper end is equipped with the connecting portion being connected with testing machine vertically, " L " shape claw there are two setting is slid on pedestal along its length, two " L " shape claws are clamped in respectively at the nozzle of tested section bar, and pedestal is equipped with the driving device of driving " L " shape claw horizontal sliding；Lower collet and upper grip are symmetrical arranged with horizontal plane.Connecting rod is equipped in tested section bar, the both ends of connecting rod are fixed respectively with two " L " shape claws on same pedestal, and connecting rod includes several sliding bars being socketed successively, and is fitted close between each sliding bar.The utility model can realize a variety of different profiled-cross-section section bars of clamping, it is made to carry out extension test.
Description
Technical field
The utility model is related to tooling and fixture technical field more particularly to a kind of profiled-cross-section section bar stretching clamps.
Background technology
, it is necessary to carry out grab tensile test to the section bar produced in the production process of various section bars, its tension is tested
Intensity is stretched, so as to ensure the practical performance of section bar.
As shown in Figure 1, what is used in the prior art carries out I-shaped part section bar 5 fixture 51 of extension test, it is main to clamp
The edge 52 of 5 both sides of I-shaped part section bar, under the snap action at edge 52, so that I-shaped part section bar 5 be clamped, facilitate its into
Row extension test.
But when tested section bar is square channel steel or other profiled-cross-section section bars, since its surface can not determine whether
There are the edge for playing snap action or edge to be unevenly distributed, it can not be by its clamping, no using the fixture of clamping I-shaped part section bar
It can guarantee the progress of the extension test of profiled-cross-section section bar.It is a kind of versatile to be now badly in need of design, it is different that a variety of differences can be clamped
The fixture of type section section bar, to ensure that profiled-cross-section section bar can carry out extension test.
Utility model content
The purpose of this utility model is to provide a kind of profiled-cross-section section bar stretching clamp, versatile, can clamp
A variety of different profiled-cross-section section bars, are stretched it.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of profiled-cross-section section bar stretching clamp, including upper grip and lower collet, the upper grip includes pedestal, described
Pedestal upper end is equipped with the connecting portion being connected with testing machine vertically, slides " L " shape there are two setting on the pedestal along its length
Claw, " L " shape claw is clamped in respectively at the nozzle of tested section bar described in two, and the pedestal is equipped with driving " L " shape claw
The driving device of horizontal sliding；The lower collet and upper grip are symmetrical arranged with horizontal plane.
By using above-mentioned technical proposal, " L " shape claw hook on upper grip and lower collet is connected in tested section bar respectively
Both ends nozzle in, so that tested section bar be clamped；According to the length of tested section bar and the position of nozzle, driving is used
Device driving be located at same pedestal on two " L " shape claws slid along pedestal, so as to adjust between two " L " shape claws away from
From so as to clamp different length, profiled-cross-section of different shapes is tested section bar, testing machine connection upper grip and lower folder
Connecting portion on head by mobile connection portion, so as to be stretched to tested section bar, under the clamping action of " L " shape claw, is protected
Card is smoothed out being tested a variety of different profiled-cross-sections section bar progress tension test.
Further, be equipped with connecting rod in the tested section bar, the both ends of the connecting rod respectively on same pedestal
Two " L " shape claws fix.
By using above-mentioned technical proposal, connecting rod is worn in tested section bar, and by the both ends of connecting rod with being located at same bottom
" L " shape claw on seat is fixedly connected, and when testing machine stretches upper grip and lower collet backwards, under the action of connecting rod, is protected
The tested section bar of card uniform force in the longitudinal direction, avoids during extension test, be tested section bar due to both ends and it is intermediate by
Power is uneven and is broken, and influences the result of extension test.
Further, the connecting rod includes several sliding bars being socketed successively, and is fitted close between each sliding bar.
By using above-mentioned technical proposal, connecting rod is arranged to include several socket and close-fitting sliding bars successively,
Realize the adjusting of length of connecting rod；Can different rule can be suitable for according to the length of the length adjustment connecting rod of tested section bar
The stretching detection of the tested section bar of lattice；Close-fitting sliding bar need just be stretched under axial along its external force effect or
Compression ensures the stability of the connecting rod after adjustment length, simple in structure, is conveniently operated and with obvious effects.
Further, one end that described " L " shape claw is located in tested section bar is equipped with buckle, and the both ends of the connecting rod are equipped with
With the grab being clasped.
By using above-mentioned technical proposal, realized using the fit system of buckle and grab and fix at the both ends of connecting rod respectively
On " L " shape claw on same pedestal, facilitate installation, and be buckled and grab is conventional hardware, be readily available and cost
It is relatively low.
Further, the pedestal is equipped with the limiting slot set along its length, and the driving device includes rotating
The screw rod being arranged in limiting slot, " L " the shape claw are equipped with the fixed block being connected with screw flight, the fixed block sliding
It is arranged in limiting slot.
By using above-mentioned technical proposal, screw rod is rotated, under the position-limiting action of limiting slot, screw rod can only rotate, and drive
Slided with the fixed block that it is threadedly coupled in limiting slot, so as to adjust between " L " shape claw on fixed block away from
From；Screw rod is threadedly coupled with fixed block can not only adjust the distance between " L " shape claw, while can fix " L " shape claw,
It is simple in structure, it is conveniently operated and with obvious effects.
Further, " L " shape claw described in two shares a screw rod, and the thread rotary orientation phase at the screw rod both ends
Instead.
By using above-mentioned technical proposal, realized using same root screw rod drive simultaneously two fixed blocks closer or far from,
It can ensure that two " L " shape claws are symmetrical on connecting portion, ensure tested section bar both ends uniform force；Meanwhile, it is capable to save tune
The time of fixed block is saved, it is simple in structure, it is with obvious effects.
Further, the screw rod wherein one end is equipped with handwheel.
It is convenient and strength-saving using handwheel drive screw turns by using above-mentioned technical proposal, and be easy to control, structure letter
It is single, it is conveniently operated, it is with obvious effects.
Further, described " L " shape claw is detachably secured on fixed block.
By using above-mentioned technical proposal, " L " shape claw is arranged to be detachably secured on fixed block, it can be according to not
Size with the nozzle of tested section bar selects different " L " shape claws, need not replace entire fixture, only need to change " L " shape card
Pawl, it is simple in structure, reduce cost.
In conclusion the utility model has the advantages that：
1st, by setting symmetrically arranged upper grip, lower collet, and two " L " being slidably mounted on pedestal are included respectively
Shape claw uses the both ends of the tested section bar of " L " shape claw clamping, and can be according to length adjustment " L " shape claw of tested section bar
The distance between, realization can clamp a variety of different profiled-cross-section section bars；
2nd, it is threaded through by setting in tested section bar and both ends and the fixed connecting rod of " L " shape claw, under the action of connecting rod,
Ensure that tested section bar in length direction uniform force, avoids tested section bar from breaking in detection process is stretched due to unbalance stress
It splits.
Description of the drawings
Fig. 1 is the structure diagram using fixture of the prior art clamping I-shaped part section bar；
Fig. 2 is a kind of overall structure diagram of profiled-cross-section section bar stretching clamp；
Fig. 3 is a kind of configuration schematic diagram of profiled-cross-section section bar stretching clamp；
Fig. 4 is a kind of sectional view of profiled-cross-section section bar stretching clamp.
In figure, 1, upper grip；11st, pedestal；12nd, limiting slot；13rd, screw rod；131st, handwheel；14th, fixed block；15th, " L " shape card
Pawl；151st, it is buckled；16th, connecting portion；2nd, it is tested section bar；21st, nozzle；3rd, connecting rod；31st, bar is slid；32nd, grab；4th, lower collet；5、
I-shaped part section bar；51st, fixture；52nd, edge.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of profiled-cross-section section bar stretching clamp, with reference to Fig. 2 and Fig. 3, including upper grip 1 and lower collet 4, upper grip 1
Including pedestal 11, the upper end of pedestal 11 is equipped with the connecting portion 16 being connected with testing machine vertically, is slided along its length on pedestal 11
Shifting is set there are two " L " shape claw 15, and two " L " shape claws 15 are clamped at the nozzle 21 of tested section bar 2, are set on pedestal 11 respectively
There is the driving device of 15 horizontal sliding of driving " L " shape claw；Lower collet 4 and upper grip 1 are symmetrical arranged with horizontal plane.
With reference to Fig. 2 and Fig. 3, " L " the shape claw 15 on upper grip 1 and lower collet 4 is fastened on tested 2 both ends of section bar respectively
Nozzle 21 in, the tube wall of tested section bar 2 plays a supporting role to " L " shape claw 15, in the clamping action of " L " shape claw 15
Under, tested section bar 2 is clamped, it is facilitated to carry out stretching detection；Under the driving effect of driving device, same bottom can be adjusted
The distance between two " L " shape claws 15 on seat 11, the tested section bar 2 that can clamp different length carries out stretching inspection
It surveys, improves the scope of application of this fixture.
With reference to Fig. 2 and Fig. 3, to ensure tested section bar 2 uniform force in the longitudinal direction, edge is equipped in tested section bar 2
The connecting rod 3 of its length direction, the both ends of connecting rod 3 are fixed respectively with two " L " shape claws 15 on same pedestal 11, connecting rod
3 both ends are respectively equipped with grab 32, and one end that " L " shape claw 15 is located in tested section bar 2 is equipped with buckle 151, and 32 hook of grab connects
In buckle 151, so as to fulfill being fixedly connected between connecting rod 3 and " L " shape claw 15.It is located at for cooperation on same pedestal 11
Connecting rod 3 is arranged to include several sliding bars 31 being socketed successively, and each cunning by the adjustment of the distance between " L " shape claw 15
It is fitted close between shifting bar 31, is only applying pulling force or pressure along sliding bar 31 is axial, just connecting rod 3 can made to be stretched or press
Contracting so as to change the length of connecting rod 3, ensures stability when connecting rod 3 uses.
With reference to Fig. 3 and Fig. 4, limiting slot 12 is equipped on the bottom surface of pedestal 11 along its length, driving device includes rotating
The screw rod 13 being arranged in limiting slot 12, one end of screw rod 13 are equipped with handwheel 131, are threaded with and are slidably mounted on screw rod 13
Fixed block 14 in limiting slot 12, " L " shape claw 15 are detachably fixed on fixed block 14, in the present embodiment, " L " shape
It is threadedly coupled between claw 15 and fixed block 14.To ensure two " L " shape claws 15 on same pedestal 11 on connection
Portion 16 is symmetrical arranged, and makes 2 both ends uniform force of tested section bar, and in the present embodiment, two fixed blocks 14 share a screw rod 13,
And the thread rotary orientation at 13 both ends of screw rod is on the contrary, so as to fulfill using a screw rod 13 while to adjust two " L " shape claws 15 mutual
Closer or far from.
The operation principle application method of the utility model：
According to the length of tested section bar 2 and the size of nozzle 21, selection can be fastened in tested 2 nozzle 21 of section bar
" L " shape claw 15 and adjustment are located at the distance between two " L " shape claws 15 on same pedestal 11.Handwheel 131 is rotated, is driven
Dynamic screw rod 13 rotates, and under the position-limiting action of limiting slot 12, screw rod 13 can only rotate, so as to drive the fixation being threadedly coupled with it
Block 14 slides in limiting slot 12, fixed block 14 is made to drive " L " shape claw 15 close to each other or separate, so as to fulfill two " L "
The adjusting of distance between shape claw 15 can clamp the tested section bar 2 of different length.
According to the length of tested section bar 2, the length of connecting rod 3 is adjusted, is threaded through in tested section bar 2, by 3 both ends of connecting rod
Grab 32 be hooked up on the buckle 151 of " L " shape claw 15, realize being fixedly connected between connecting rod 3 and " L " shape claw 15, company
Bar 3 ensures the tested uniform force of section bar 2 in the longitudinal direction.Finally the connecting portion 16 on upper grip 1 and lower collet 4 is distinguished
It is connected on testing machine, you can carry out extension test.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of profiled-cross-section section bar stretching clamp, including upper grip（1）With lower collet（4）, it is characterised in that：The upper folder
Head（1）Including pedestal（11）, the pedestal（11）Upper end is equipped with the connecting portion being connected with testing machine vertically（16）, the pedestal
（11）On along its length sliding set there are two " L " shape claw（15）, " L " shape claw described in two（15）Be clamped in respectively by
Survey section bar（2）Nozzle（21）Place, the pedestal（11）It is equipped with driving " L " shape claw（15）The driving device of horizontal sliding；
The lower collet（4）And upper grip（1）It is symmetrical arranged with horizontal plane.
2. a kind of profiled-cross-section section bar stretching clamp according to claim 1, it is characterised in that：The tested section bar
（2）Inside it is equipped with connecting rod（3）, the connecting rod（3）Both ends respectively with positioned at same pedestal（11）On two " L " shape claws
（15）It is fixed.
3. a kind of profiled-cross-section section bar stretching clamp according to claim 2, it is characterised in that：The connecting rod（3）Bag
Include several sliding bars being socketed successively（31）, and each sliding bar（31）Between be fitted close.
4. a kind of profiled-cross-section section bar stretching clamp according to claim 3, it is characterised in that：" L " the shape claw
（15）Positioned at tested section bar（2）Interior one end is equipped with buckle（151）, the connecting rod（3）Both ends be equipped with and buckle（151）Cooperation
Grab（32）.
5. a kind of profiled-cross-section section bar stretching clamp according to claim 1 or 4, it is characterised in that：The pedestal
（11）It is equipped with the limiting slot set along its length（12）, the driving device is including being rotatably arranged on limiting slot（12）It is interior
Screw rod（13）, " L " the shape claw（15）It is equipped with and screw rod（13）The fixed block of threaded connection（14）, the fixed block
（14）Sliding is arranged on limiting slot（12）It is interior.
6. a kind of profiled-cross-section section bar stretching clamp according to claim 5, it is characterised in that：" L " shape described in two
Claw（15）Share a screw rod（13）, and the screw rod（13）The thread rotary orientation at both ends is opposite.
7. a kind of profiled-cross-section section bar stretching clamp according to claim 6, it is characterised in that：The screw rod（13）Its
Middle one end is equipped with handwheel（131）.
8. a kind of profiled-cross-section section bar stretching clamp according to claim 5, it is characterised in that：" L " the shape claw
（15）It is detachably secured to fixed block（14）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529124.4U CN207396203U (en) | 2017-11-15 | 2017-11-15 | A kind of profiled-cross-section section bar stretching clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529124.4U CN207396203U (en) | 2017-11-15 | 2017-11-15 | A kind of profiled-cross-section section bar stretching clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396203U true CN207396203U (en) | 2018-05-22 |
Family
ID=62323615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529124.4U Expired - Fee Related CN207396203U (en) | 2017-11-15 | 2017-11-15 | A kind of profiled-cross-section section bar stretching clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207396203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269881A (en) * | 2018-09-30 | 2019-01-25 | 天津津荣天宇精密机械股份有限公司 | A kind of drawing fixture of rectangular tubular workpiece |
-
2017
- 2017-11-15 CN CN201721529124.4U patent/CN207396203U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269881A (en) * | 2018-09-30 | 2019-01-25 | 天津津荣天宇精密机械股份有限公司 | A kind of drawing fixture of rectangular tubular workpiece |
| CN109269881B (en) * | 2018-09-30 | 2024-06-04 | 天津津荣天宇精密机械股份有限公司 | Drawing fixture for rectangular tubular workpiece |
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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: 20180522 Termination date: 20201115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |