CN207081624U - A kind of car belt force-limit rod torsion tester - Google Patents
A kind of car belt force-limit rod torsion tester Download PDFInfo
- Publication number
- CN207081624U CN207081624U CN201720937992.XU CN201720937992U CN207081624U CN 207081624 U CN207081624 U CN 207081624U CN 201720937992 U CN201720937992 U CN 201720937992U CN 207081624 U CN207081624 U CN 207081624U
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- China
- Prior art keywords
- limit rod
- force
- fixed
- arc
- chuck
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Abstract
A kind of car belt force-limit rod torsion tester, including base, it is relative on base to be provided with positioning disk, rotating disc, the chuck for clamping limiter boom end is fixed with positioning disk, rotating disc, chuck is provided with multiple screwed holes, the bolt for being used for propping up force-limit rod end toothed projections, prevent force-limit rod from rotating is provided with screwed hole, bolt is butted between adjacent toothed projections.The purpose of this utility model is to provide a kind of car belt force-limit rod torsion tester, is applicable to the clamping of different size force-limit rods.The clamping that the utility model is applied to different size force-limit rods is fixed, and clamping fixed effect is good, and result of the test accuracy is high, safe to use.
Description
Technical field
A kind of torsion tester is the utility model is related to, more particularly to a kind of car belt force-limit rod torsion tester.
Background technology
Safety belt mainly includes ribbon and coiler, has the force-limit rod that can wind ribbon in coiler, force-limit rod can
Deformation, when human body stress reaches to a certain degree, force-limit rod deforms so that safety belt can continue to be drawn out, so as to realize
Buffering, reduce pressure of the safety belt to occupant's chest.The force-limit rod of manufacturer production needs the detection by torsion tester, torsion
There is the fixture for clamping force-limit rod on testing machine, apply twisting resistance, under the feedback effect of sensor, torsion in one end of force-limit rod
Computer on testing machine can draw moment of torsion-angle curve, torque-time curves and angle-time graph automatically（Angle is limiter
Rod twisting angle）, to facilitate the performance to force-limit rod to make analysis.
Notification number is that CN203259426U Chinese utility model discloses a kind of car belt force-limit rod testing machine, public
A kind of clamping device is driven, clamping device includes left exemplar clamping device, the right exemplar clamping device being oppositely arranged, left exemplar folder
Holding device uses the right side card in the first T-shaped reel to connect the first disk, and the first disc centre is provided with and force-limit rod one end shape
The stomidium that shape coordinates, the first T-shaped rotating shaft left side and the power transmission shaft shaft coupling of motor；Right exemplar clamping device is used in the second T-shaped axle
The left side card of disk connects the second disk, and the card center of the second disk is provided with the other end with force-limit rod other end form fit
Hole.As shown in figure 1, the both ends of force-limit rod 19 are the gear shape that toothed projections 191 form, stomidium shape is matched somebody with somebody with the gear shape
Close, thus the clamping device of the testing machine can only clamping solid shape force-limit rod, once production force-limit rod end size become
Change, the clamping device will be inapplicable.
Utility model content
The purpose of this utility model is to provide a kind of car belt force-limit rod torsion tester, is applicable to different chis
The clamping of very little force-limit rod.
Above-mentioned purpose of the present utility model technical scheme is that：A kind of car belt force-limit rod
Torsion tester, including base, it is relative on base to be provided with positioning disk, rotating disc, it is fixed with and is used on positioning disk, rotating disc
The chuck of clamping limiter boom end, chuck are provided with multiple screwed holes, are provided with screwed hole and are used to prop up force-limit rod end tooth form
The first bolt that is raised, preventing force-limit rod from rotating, the first bolt are butted between adjacent toothed projections.
By using above-mentioned technical proposal, the end of force-limit rod is first clamped using chuck, makes the rotating shaft of force-limit rod and motor
Coaxially, then with more bolts the toothed projections of limiter boom end are propped up, can further improve the clamping fixed effect of force-limit rod, are prevented
Only the both ends of force-limit rod rotate relative to chuck, and when the end size change of force-limit rod used in experiment, it can still pass through regulation
The length that bolt is stretched into chuck pushes against the end of force-limit rod.
Preferably, chuck includes movable jaw, and screwed hole is obliquely opened on movable jaw side.
By using above-mentioned technical proposal, screwed hole is directly opened up on movable jaw, twisting can in the bolt in screwed hole
With the clamping of movable jaw close to force-limit rod, bolt is pushed against on the end of force-limit rod so as to convenient.
Preferably, chuck includes movable jaw, and movable jaw back fixation is provided with the first arc, set on the first arc
There is the first ratchet band, coordinate outside the first arc and be provided with the second arc, the second arc is provided with and nibbled with the first ratchet band
The the second ratchet band closed, the second arc are bolted with the first arc.
By using above-mentioned technical proposal, intermeshed by being processed respectively on the first arc, the second arc
The first ratchet band, the second ratchet band, the relative position of fine-tuning first arc and the second arc, so as to by bolt angle
Degree adjusts to convenient and pushes against force-limit rod.
Preferably, the second arc is provided with the second bolt, and the first arc is provided with the elongated hole passed through for the second bolt,
Second bolt is fixed on elongated hole by nut, and elongated hole be arranged in parallel with chuck upper surface.
By using above-mentioned technical proposal, nut is backed out from the second bolt, can be by the first arc and the second arc
Plate separates, so as to which the second arc be moved to the left or to the right relative to the first arc；, will after second arc moves into place
Nut is screwed on the second bolt, and is tightened, and the second arc can be fixed on into the position.
Preferably, base is provided with guide rail, coordinates with guide rail and is provided with sliding block, is fixed with support on sliding block, positioning disk is solid
Due to being also fixed with the oil cylinder for moving support on support, on base.
By using above-mentioned technical proposal, using oil cylinder can push-and-pull support moved on guide rail, so as to suitable for clamping
The force-limit rod of different length.
Preferably, support includes fixed plate, and fixed plate is vertical with base, parallel with rotating disc, and positioning disk is fixed at solid
Fixed board side, fixed plate opposite side are fixed with floor, and fixed plate both sides are fixed with baffle plate, and two pieces of baffle plates enclose with fixed plate
Into I-shaped.
By using above-mentioned technical proposal, coordinate floor using the supporting structure of I-shaped, the structure of support can be strengthened
Intensity, the stability maintenance of positioning disk is improved, make result of the test more accurate.
Preferably, the plate for stopping the abjection of limiter boom end is additionally provided with chuck, stud, plate are fixed with chuck
Block is connected through a screw thread with stud.
By using above-mentioned technical proposal, limiter boom end further is blocked with plate, prevents limiter boom end from chuck
Middle abjection, there is certain stiction between the plate and stud that are connected through a screw thread, blocked so plate can be maintained at
The state of limiter boom end.
Preferably, the holding screw for pushing against limiter rod end surface is connected through a screw thread on plate.
By using above-mentioned technical proposal, plate is rotated to when sheltering from limiter boom end, by the clamp screw on plate
Nail is screwed onto the end for compressing force-limit rod, can play a part of further being fixedly clamped, improve the safety in utilization of device indirectly.
In summary, the utility model has the advantages that：
Fixed suitable for the clamping of different size force-limit rods, clamping fixed effect is good, and result of the test accuracy is high, uses
It is safe.
Brief description of the drawings
Fig. 1 is the structural representation of force-limit rod；
Fig. 2 is the overall structure diagram of car belt force-limit rod torsion tester in embodiment 1；
Fig. 3 is the connection diagram of chuck and force-limit rod in embodiment 1；
Fig. 4 is the connection diagram of chuck and force-limit rod in embodiment 2；
Fig. 5 is A portions enlarged drawing in Fig. 4；
Fig. 6 is the connection diagram of the first arc and the second arc.
Reference：1st, base；2nd, guide rail；21st, sliding block；3rd, support；31st, bottom plate；32nd, fixed plate；33rd, baffle plate；34th, rib
Plate；4th, oil cylinder；5th, motor support base；51st, riser；6th, motor；7th, reductor；8th, positioning disk；9th, rotating disc；10th, chuck；101st, it is living
Dynamic claw；11st, the first arc；111st, the first ratchet band；112nd, elongated hole；12nd, the second arc；121st, the second ratchet band；13、
First bolt；14th, the second bolt；15th, plate；16th, stud；17th, holding screw；18th, torsion torque sensor；19th, force-limit rod；191、
Toothed projections.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
A kind of car belt force-limit rod torsion tester, as shown in Fig. 2 the type torsion tester includes frame, frame
Workbench on flat board lay base 1, be fixed with two rows guide rail 2 parallel to each other on base 1, be provided with guide rail 2 more
Individual sliding block 21, sliding block 21 can move left and right along guide rail 2.The bottom plate 31 parallel with the upper surface of base 1 is set across two guide rails 2,
Bottom plate 31 is fixed on sliding block 21, and two pieces of baffle plates, 33, one pieces of fixed plates 32, two pieces of gears are perpendicularly thereto welded and fixed on bottom plate 31
Plate 33 is respectively welded in the both ends of fixed plate 32, and two pieces of baffle plates 33 and fixed plate 32 surround I-shaped, and fixed plate 32 is towards base 1
Floor 34 is welded and fixed between the one side and bottom plate 31 at edge, floor 34 and fixed plate 32, bottom plate 31 are vertical.On base 1
Oil cylinder 4 is further fixed on, the piston rod of oil cylinder 4 is fixed on the end of bottom plate 31, and the piston rod of oil cylinder 4 is vertical with fixed plate 32.
Motor support base 5 is also fixed with base 1 by guide rail 2, motor 6 is fixed on motor support base 5, motor support base 5
On be welded with one piece of riser 51 vertical with guide rail 2, riser 51 is parallel with fixed plate 32, is also equipped with slowing down on motor 6
Machine 7, reductor 7 are fitted vertically on riser 51, and perforate is for the rotating shaft stretching of reductor 7, the rotating shaft of reductor 7 on riser 51
On be coaxially fixed with rotating disc 9, using flange as rotating disc 9, chuck 10 is also coaxially fixed with rotating disc 9.
A positioning disk 8, the axis of positioning disk 8 and rotation are relatively fixed with the fixed plate 32 of support 3 with rotating disc 9
The axis collinear of disk 9.Torsion torque sensor 18 has been fitted vertically in fixed plate 32, positioning disk 8 is fixed on torsion torque sensor 18,
Flange equally is used as positioning disk 8, and chuck 10 is welded and fixed on positioning disk 8.The rotating disc 9 of the type torsion tester,
Two chucks 10 used on positioning disk 8 are scroll chuck, for clamping the both ends of the gear shape of force-limit rod 19.
As shown in figure 3, chuck 10 includes multiple movable jaws 101, one is processed in the side of each movable jaw 101
Individual inclined screwed hole, is screwed into the first longer bolt 13 in inclined screwed hole, and the one of the clamped end of force-limit rod 19
Bar presss from both sides at an acute angle with the diameter that movable jaw 101 is located along the same line with the first bolt 13 on the movable jaw 101, turns
First bolt 13, between the adjacent toothed projections 191 that the end of the first bolt 13 can be stretched in the both ends of force-limit rod 19, and make the first spiral shell
The bottom of bolt 13 is butted on the side of toothed projections 191.
The step of clamping force-limit rod, is as follows：
1st, the both ends of force-limit rod 19 are clamped in rotating disc 9, on positioning disk 8 respectively with chuck 10, according to force-limit rod 19
Length adjusts the distance of rotating disc 9 and positioning disk 8 with oil cylinder 4；
2nd, the first bolt 13 on the side of movable jaw 101 is turned, the end of at least two the first bolts 13 is propped up limit
The side of the end toothed projections 191 of power bar 19, and active force or active force of at least two the first bolts 13 to toothed projections 191
Component direction it is identical.
Embodiment 2
A kind of car belt force-limit rod torsion tester, as shown in figure 4, as different from Example 1, not in active card
The direct thread mill drilling in the side of pawl 101, but the first arc 11 is welded and fixed at each back of movable jaw 101, own
First arc 11 is using the center of chuck 10 as the center of circle.The second arc 12 is made using thicker plate block 15, makes the second arc
Plate 12 is identical with the radian of the first arc 11, and hole is threaded on the second arc 12, is screwed with screwed hole for propping up limit
First bolt 13 of the end toothed projections 191 of power bar 19, the second arc 12 is laterally longer than the first arc 11, with the second bolt
After 14 are fixed on the second arc 12 on first arc 11, the first arc 11 does not hinder the stretching of the first bolt 13.
Multiple studs 16 are also welded with the card of chuck 10, the screwed hole coordinated with stud 16 is processed one piece of one end of plate 15
Afterwards, plate 15 is screwed on stud 16, the other end of plate 15 is machined with another screwed hole, and holding screw is screwed with the screwed hole
17。
With reference to Fig. 5 and Fig. 6, elongated hole 112 is laterally offered on the first arc 11, elongated hole 112 is parallel with the card of chuck 10
Open up, the second bolt 14 is welded with the second arc 12, be machined with the lateral surface of the first arc 11 certain laterally long
Degree, by densely arranged the first ratchet band 111 formed of vertical ratchet, the second arc 12 is towards the side of the first arc 11
The the second ratchet band 121 engaged with the first ratchet band 111 is machined with face, the second bolt 14 is inserted into elongated hole 112, will with nut
Second bolt 14 is fixed on elongated hole 112, you can the second arc 12 is fixed on the first arc 11, and makes the first ratchet
Band 111 engages with the second ratchet band 121.
The step of clamping force-limit rod, is as follows：
1st, the both ends of force-limit rod 19 are clamped in rotating disc 9, on positioning disk 8 respectively with chuck 10, according to force-limit rod 19
Length adjusts the distance of rotating disc 9 and positioning disk 8 with oil cylinder 4；
2nd, the first bolt 13 on the second arc 12 is turned, the end of at least two the first bolts 13 is propped up force-limit rod
The side of 19 end toothed projections 191, and at least two the first bolts 13 are to the active force of toothed projections 191 or point of active force
Force direction is identical；
3rd, the position for such as needing to finely tune the second arc 12 can just make the first bolt 13 prop up toothed projections 191, can be by twisting
Fall the nut on the second bolt 14, the second arc 12 is separated with the first arc 11, then by the second arc 12 laterally
After moving certain distance, second arc 12 is fixed on the first arc 11 with the second bolt 14 again；
4th, the end of force-limit rod 19 can be blocked, can prevent the end of force-limit rod 19 from the position that chuck 10 is deviate from by being moved to plate 15
Place is put, then turns the holding screw 17 on plate 15, holding screw 17 is depressed on the end of force-limit rod 19.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of car belt force-limit rod torsion tester, including base（1）, base（1）It is upper to be provided with positioning disk relatively（8）、
Rotating disc（9）, positioning disk（8）, rotating disc（9）On be fixed with for clamping force-limit rod（19）The chuck of end（10）, its
It is characterised by：The chuck（10）Multiple screwed holes are provided with, is provided with screwed hole and is used to prop up force-limit rod（19）End tooth form
It is raised（191）, prevent force-limit rod（19）First bolt of rotation（13）, the first bolt（13）It is butted on adjacent toothed projections（191）
Between.
A kind of 2. car belt force-limit rod torsion tester according to claim 1, it is characterised in that：The chuck
（10）Including movable jaw（101）, screwed hole is obliquely opened in movable jaw（101）On side.
A kind of 3. car belt force-limit rod torsion tester according to claim 1, it is characterised in that：The chuck
（10）Including movable jaw（101）, movable jaw（101）Back fixation is provided with the first arc（11）, the first arc（11）
It is provided with the first ratchet band（111）, the first arc（11）Outside, which coordinates, is provided with the second arc（12）, the second arc（12）
It is provided with and the first ratchet band（111）Second ratchet band of engagement（121）, the second arc（12）With the first arc（11）It is logical
Bolt is crossed to fix.
A kind of 4. car belt force-limit rod torsion tester according to claim 3, it is characterised in that：Second arc
Shape plate（12）It is provided with the first bolt（14）, the first arc（11）It is provided with and supplies the first bolt（14）The elongated hole passed through（112）,
First bolt（14）Elongated hole is fixed on by nut（112）On, elongated hole（112）With chuck（10）Upper surface be arranged in parallel.
A kind of 5. car belt force-limit rod torsion tester according to claim 1, it is characterised in that：The base
（1）It is provided with guide rail（2）, with guide rail（2）Cooperation is provided with sliding block（21）, sliding block（21）On be fixed with support（3）, positioning disk
（8）It is fixed on support（3）On, base（1）On be also fixed with for moving support（3）Oil cylinder（4）.
A kind of 6. car belt force-limit rod torsion tester according to claim 5, it is characterised in that：The support
（3）Including fixed plate（32）, fixed plate（32）With base（1）Vertically, with the rotating disc（9）It is parallel, positioning disk（8）Fixation is set
In fixed plate（32）Side, fixed plate（32）Opposite side is fixed with floor（34）, fixed plate（32）Both sides are fixed with gear
Plate（33）, two pieces of baffle plates（33）With fixed plate（32）Surround I-shaped.
A kind of 7. car belt force-limit rod torsion tester according to claim 1, it is characterised in that：The chuck
（10）On be additionally provided with for stopping force-limit rod（19）The plate of end abjection（15）, chuck（10）On be fixed with stud（16）,
Plate（15）With stud（16）It is connected through a screw thread.
A kind of 8. car belt force-limit rod torsion tester according to claim 7, it is characterised in that：The plate
（15）On be connected through a screw thread for pushing against force-limit rod（19）The holding screw of end surface（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937992.XU CN207081624U (en) | 2017-07-28 | 2017-07-28 | A kind of car belt force-limit rod torsion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937992.XU CN207081624U (en) | 2017-07-28 | 2017-07-28 | A kind of car belt force-limit rod torsion tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081624U true CN207081624U (en) | 2018-03-09 |
Family
ID=61424358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937992.XU Expired - Fee Related CN207081624U (en) | 2017-07-28 | 2017-07-28 | A kind of car belt force-limit rod torsion tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081624U (en) |
-
2017
- 2017-07-28 CN CN201720937992.XU patent/CN207081624U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |