CN209342519U - A kind of compensator bellows extension test testing stand - Google Patents
A kind of compensator bellows extension test testing stand Download PDFInfo
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- CN209342519U CN209342519U CN201822275414.1U CN201822275414U CN209342519U CN 209342519 U CN209342519 U CN 209342519U CN 201822275414 U CN201822275414 U CN 201822275414U CN 209342519 U CN209342519 U CN 209342519U
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- sliding rail
- bellows
- testing stand
- test
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Abstract
The utility model discloses a kind of compensator bellows extension test testing stands, including test platform, the sliding rail rack that is fixed on test platform two sides, set on the upper tensile part of sliding rail frame upper end, the mobile electric cylinders component for being fixed on sliding rail rack lower end, the draft cylinder being fixedly connected on test platform, the lower tensile part fixed with draft cylinder bolt and the backboard fixed frame on test platform.The utility model is that compensator bellows designs a kind of dedicated tensile test apparatus, equipped with the effective clamping bellows of Special clamping component, in view of the necking down deformation in bellows drawing process, it is ad hoc to have fixed guider, it keeps bellows vertical indeformable during extension test, keeps test result more acurrate.
Description
Technical field
The utility model relates to compensators to process detection field, and in particular to a kind of compensator bellows extension test test
Platform.
Background technique
Compensator is also expansion joint or telescopic joint.By the bellows (a kind of elastic element) and the end that constitute its operative body
The attachmentes such as pipe, bracket, flange, conduit composition, substep processing is assembled again when production and processing, and bellows is that compensator is main
Function realize component, the compensation effect that the tensile property of bellows expands with heat and contract with cold direct compensation device on pipeline to pipeline,
Therefore the tensile property of bellows need to be tested when producing and processing, guarantee its performance qualification, existing bellows extension test dress
Set that structure is simple, such as " a kind of bellows tensile test device " of patent No. CN201621294394.7, practical application also compared with
It is few, therefore the utility model designs a kind of compensator bellows tensile test apparatus of brand new, guarantees that producer's production and processing produces
The reliability of product.
Utility model content
In view of the above technical problems, the utility model provides a kind of compensator bellows extension test testing stand, comprising:
Test platform, the sliding rail rack for being fixed on test platform two sides, set on the pull-up of sliding rail frame upper end
Extending portion part, the mobile electric cylinders component for being fixed on sliding rail rack lower end, the draft cylinder being fixedly connected on test platform, with
The fixed lower tensile part of draft cylinder bolt and the backboard fixed frame on test platform.
Preferably, upper tensile part includes the top plate being fixedly connected with the sliding rail frame upper end and roof bolt
Fixed upper stretchable chassis, the rotation oil feeder being fixed in stretchable chassis, oil pipe be connected to rotation oil feeder, with rotate
Main shaft that oil feeder is connected with shaft coupling, the tensioner nut set on main shaft upper end, the connection fixed with main shaft lower end bolt
Disk and the chuck being fixedly connected with terminal pad.
Preferably, mobile electric cylinders component includes the servo electric cylinders for being fixed on sliding rail frame bottom side and servo electricity
Cylinder output shaft key connection driving pulley, by driving pulley driving driven pulley, with driven pulley key connection ball screw,
Limited block for accommodating the guide rod of ball screw and for limiting draft cylinder stroke.
Preferably, lower tensile part includes the supporting station being fixedly connected with draft cylinder and is fixed on supporting station upper end
Ripple tube fixer.
Preferably, ripple tube fixer include outer layer sleeve, the hollow shaft being socketed on inside outer layer sleeve and with it is hollow
The quill that axis is fixedly attached, hollow shaft body are equipped with two symmetrical through-holes, and quill is two sections of ladder hollow shafts, quill inner wall
It is tapped with ripple groove compatible with compensator bellows.
Preferably, backboard fixed frame upper surface is equipped with fixed guider, and fixed guider includes and backboard fixed frame bolt
The guide pin of connection and locking nut for locking guide pin.
The utility model has the advantages that
1, the utility model design has bellows special fixture, is exclusively used in the clamping of bellows extension test, and test is accurate
Rate is high.
2, using fixed guider, guarantee that bellows is not bent vertically in extension test, overcome existing compensator ripple
The deficiency of pipe test device.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the bellows fixer structure schematic diagram in the utility model.
Digital representation in figure:
1, test platform 2, sliding rail rack 3, upper stretchable chassis 4, top plate 5, chuck 6, servo electric cylinders 7, master
It is movable belt pulley 8, driven pulley 9, ball screw 10, guide rod 11, draft cylinder 12, limited block 13, supporting station 14, outer
Layer sleeve 15, quill 16, hollow shaft 17, fixed guider 18, backboard fixed frame 19, oil pipe 20, rotation oil feeder
21, tensioner nut 22, main shaft 23, terminal pad 24, guide pin
Specific embodiment
As illustrated in fig. 1 and 2, the utility model includes test platform 1, the sliding rail machine for being fixed on 1 two sides of test platform
Frame 2, set on 2 upper end of sliding rail rack upper tensile part, be fixed on 2 lower end of sliding rail rack mobile electric cylinders component,
It is fixedly connected on the draft cylinder 11 on test platform 2, the lower tensile part fixed with 11 bolt of draft cylinder and is set to examination
Test the backboard fixed frame 18 on platform 1.Upper tensile part include the top plate 4 being fixedly connected with 2 upper end of sliding rail rack,
Fixed upper stretchable chassis 3, the rotation oil feeder 20 being fixed in upper stretchable chassis 3 and rotation oil feeder 20 with 4 bolt of top plate
The oil pipe 19 of connection, with rotation oil feeder 20 connect with shaft coupling main shaft 22, set on 22 upper end of main shaft tensioner nut 21,
The terminal pad 23 fixed with 22 lower end bolt of main shaft and the chuck 5 being fixedly connected with terminal pad 23.Mobile electric cylinders component packet
Include be fixed on 2 bottom end side of sliding rail rack servo electric cylinders 6, with 6 output shaft of servo electric cylinders key connection driving pulley 7,
The driven pulley 8 that is driven by driving pulley 7, the ball screw 9 being keyed with driven pulley 7, for accommodating leading for ball screw 9
Limited block 12 to bar 10 and for limiting 11 stroke of draft cylinder.Lower tensile part includes being fixedly connected with draft cylinder 11
Supporting station 13 and be fixed on the ripple tube fixer 17 of 13 upper end of supporting station, ripple tube fixer 17 includes outer layer sleeve
14, the hollow shaft 16 being socketed on inside outer layer sleeve 14 and the quill 15 being fixedly attached with hollow shaft 16,16 axis of hollow shaft
Body is equipped with two symmetrical through-holes, and quill 15 is two sections of ladder hollow shafts, 15 inner wall of quill is tapped with mutually fitting with compensator bellows
The ripple groove matched.18 upper surface of backboard fixed frame is equipped with fixed guider 17, and fixed guider 17 includes fixing with backboard
The bolted guide pin 24 of frame 18 and the locking nut for locking guide pin 24.
Before carrying out stretching detection, starting rotation oil feeder 20, chuck 5 clamps bellows upper end to be measured, quill 15 is turned round
Turn to be fixed on bellows, quill 15 is that traditional card waves quick coupling is connect with the connection type of bellows, due to it
For the prior art, therefore not to repeat here for the utility model.After quill 15 and bellows are fixed, draft cylinder 11, this reality are adjusted
It is equipped with through-hole corresponding with 16 axle body of hollow shaft in 15 axle body of quill with novel, when draft cylinder 11 adjusts two pairs of through-holes
Bolt and tightening nut are inserted into after to alignment, so far fixing hollow shaft 16 and quill 15 realizes bellows and lower stretching
The fixation of component.
Subsequent that stress test piece is attached to bellows surface, draft cylinder 11 carries out extensional motion, tests bellows surface
Suffered stress state, the utility model are equipped with limited block 12 in 2 lower end of sliding rail rack, guarantee that the stroke of draft cylinder 11 exists
Safe range will not collide with testing stand.
Various modifications to these embodiments will be readily apparent to those skilled in the art, herein
Defined General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.
Claims (6)
1. a kind of compensator bellows extension test testing stand, it is characterised in that: including test platform, to be fixed on the test flat
The sliding rail rack of platform two sides, set on the sliding rail frame upper end upper tensile part, be fixed on the sliding rail
The mobile electric cylinders component of rack lower end, the draft cylinder being fixedly connected on the test platform and the draft cylinder bolt
Fixed lower tensile part and the backboard fixed frame on the test platform.
2. a kind of compensator bellows extension test testing stand according to claim 1, it is characterised in that: the upper stretching
Component include the top plate being fixedly connected with the sliding rail frame upper end, the upper stretchable chassis fixed with the roof bolt,
The rotation oil feeder being fixed in the upper stretchable chassis, the oil pipe and the rotation fuel feeding that are connected to the rotation oil feeder
Main shaft that device is connected with shaft coupling, set on the tensioner nut of the main shaft upper end, fixed with main shaft lower end bolt
Terminal pad and the chuck being fixedly connected with the terminal pad.
3. a kind of compensator bellows extension test testing stand according to claim 1, it is characterised in that: the mobile electricity
Cylinder component includes that the servo electric cylinders for being fixed on sliding rail frame bottom side and the servo electric cylinders output shaft are keyed
Driving pulley, driven by the driving pulley driven pulley, with the driven pulley key connection ball screw, for holding
Receive the ball screw guide rod and limited block for limiting the draft cylinder stroke.
4. a kind of compensator bellows extension test testing stand according to claim 1, it is characterised in that: the lower stretching
Component includes the supporting station being fixedly connected with the draft cylinder and the ripple tube fixer for being fixed on the supporting station upper end.
5. a kind of compensator bellows extension test testing stand according to claim 4, it is characterised in that: the bellows
Fixator includes outer layer sleeve, the hollow shaft being socketed on inside the outer layer sleeve and the set being fixedly attached with the hollow shaft
Pipe axis, the hollow shaft body are equipped with two symmetrical through-holes, and described sleeve pipe axis is two sections of ladder hollow shafts, described sleeve pipe axis inner wall is attacked
There is ripple groove compatible with compensator bellows.
6. a kind of compensator bellows extension test testing stand according to claim 1, it is characterised in that: the backboard is solid
Determine frame upper surface equipped with fixed guider, the fixed guider include with the bolted guide pin of backboard fixed frame with
And the locking nut for locking the guide pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275414.1U CN209342519U (en) | 2018-12-29 | 2018-12-29 | A kind of compensator bellows extension test testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275414.1U CN209342519U (en) | 2018-12-29 | 2018-12-29 | A kind of compensator bellows extension test testing stand |
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| Publication Number | Publication Date |
|---|---|
| CN209342519U true CN209342519U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822275414.1U Active CN209342519U (en) | 2018-12-29 | 2018-12-29 | A kind of compensator bellows extension test testing stand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390624A (en) * | 2021-08-17 | 2021-09-14 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
| CN114486211A (en) * | 2021-12-30 | 2022-05-13 | 合肥鑫波焊接波纹管有限公司 | Bellows fatigue test device |
-
2018
- 2018-12-29 CN CN201822275414.1U patent/CN209342519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390624A (en) * | 2021-08-17 | 2021-09-14 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
| CN113390624B (en) * | 2021-08-17 | 2021-10-29 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
| CN114486211A (en) * | 2021-12-30 | 2022-05-13 | 合肥鑫波焊接波纹管有限公司 | Bellows fatigue test device |
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