CN108279164A - A kind of square tube pull resistance detection device - Google Patents
A kind of square tube pull resistance detection device Download PDFInfo
- Publication number
- CN108279164A CN108279164A CN201810166007.9A CN201810166007A CN108279164A CN 108279164 A CN108279164 A CN 108279164A CN 201810166007 A CN201810166007 A CN 201810166007A CN 108279164 A CN108279164 A CN 108279164A
- Authority
- CN
- China
- Prior art keywords
- square tube
- saddle
- bar
- pull resistance
- housing
- 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.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
Abstract
The present invention provides a kind of square tube pull resistance detection devices, belong to detection technique field.It solves the technical problems such as existing square tube pull resistance testing cost height.This square tube pull resistance detection device includes detection case and the saddle that is fixed in the middle part of detection case, both sides in detection case positioned at saddle are equipped with clamp assembly, chuck component includes can the stuck inner spindle in square tube and the outer collet that can be clamped in outside square tube, on detection case fixed frame is fixed with positioned at saddle side, the inner spindle of one of which clamp assembly and outer collet are each attached on fixed frame, it is located at the saddle other side on detection case and is equipped with guide rail, movable stand of the energy far from or close to saddle is slidably connected on guide rail, the inner spindle of another group of clamp assembly and outer collet are each attached on movable stand.The present invention has the advantages that the accurate detection that can realize the pull resistance of square tube.
Description
Technical field
The invention belongs to detection technique fields, are related to a kind of square tube pull resistance detection device.
Background technology
The tensile resistance of steel pipe is to evaluate the important indicator of steel tube performance, therefore the tension to steel pipe is needed before manufacture
Stretch performance sampling Detection.The tensile resistance of steel pipe needs to carry out by pull resistance detection device, is needed when detecting by steel pipe
Both ends be fixedly clamped after steel pipe is stretched again.Current detection device be by the both ends to steel pipe and meanwhile stretch come
It being detected, this just needs to provide drawing force in two sets of cylinders, while two sets of cylinders need the active force for ensureing to provide identical,
To the more demanding of cylinder, leading to cost, higher to cut accuracy of detection not high；In addition, existing pull resistance detection device mainly for
What pipe carried out, it needs to provide dedicated square tube clamp assembly when detecting square tube, since the size of square tube is more, this is just needed
It to be directed to different size of square tube and prepare one-to-one clamp assembly, further increase cost.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of detection of square tube pull resistance is set
It is standby, present invention solves the technical problem that being the accurate detection for the pull resistance that can realize square tube.
Object of the invention can be realized by the following technical scheme：
A kind of square tube pull resistance detection device, including detection case and the saddle that is fixed in the middle part of detection case, which is characterized in that
It is equipped with clamp assembly positioned at the both sides of saddle in the detection case, the chuck component includes can the stuck inner core in square tube
Axis and the outer collet that can be clamped in outside square tube are fixed with fixed frame on the detection case positioned at saddle side, described in one of which
The inner spindle of clamp assembly and outer collet are each attached on fixed frame, and the saddle other side is located on the detection case and is equipped with guide rail,
Slidably connected on the guide rail can far from or close to saddle movable stand, the inner spindle of clamp assembly described in another group and outer
Collet is each attached on movable stand.
First square tube is placed on saddle when detecting, makes square tube close to one end of fixed frame by inner core in mobile square tube
Axis and outer clip head clamping are fixed, then in mobile movable stand close to the other end of square tube so that the inner spindle being located on movable stand
With the other end of outer clip head clamping square tube, after the both ends with square tube are clamped and fixed, then movable stand is moved backward so that mobile
Frame stretches square tube, and movable stand is equipped with the sensor that can detect square tube under tension, can be obtained by the data of the sensor transmissions
The pulling force being subject to square tube, so as to detect the tensile property of square tube；It is another when detecting by fixing one end of square tube
End is moved to pull on square tube, reduces the generation of error, improves the accuracy of detection.
In above-mentioned square tube pull resistance detection device, the guide rail has two, and two guide rails are separately fixed at
On the two side up and down of detection case, the movable stand includes that the push plate being vertically arranged and two pieces are located at push plate upper and lower ends
Sliding panel, two pieces of sliding panels are slidably connected at respectively on corresponding two guide rails, and the detection case is close to the side of sliding panel
Fixed there are two cylinder on plate, two cylinders are distributed up and down, and the telescopic rod of two cylinders is vertical with push plate to be fixed.Pass through
Above structure can guarantee that movable stand moves back and forth along straight line always, ensure that the mobile stabilization of movable stand, to stretch inspection
The power being applied to when survey in square tube does not deviate, and ensures the accuracy of detection；Due to only needing a set of cylinder, cost relatively low.
In above-mentioned square tube pull resistance detection device, the inner spindle includes that rotation axis, housing and four groups abut against bar, institute
Stating rotation axis has rotational segment and cam segment, and on the rotating shaft, the housing is fixed on fixed frame or movement to the housing set
On frame, the driving motor that the rotational segment is connected to one on fixed frame or movable stand is connect, and four groups abut against bar along housing
Radial direction be plugged on housing it is one section corresponding with cam segment on, bar is abutted against described in four groups, and circumferentially array is uniformly distributed, described convex
Have in wheel section and with four groups abuts against the one-to-one protrusion of bar, the circumferentially array distribution of protrusion described in four groups, the protrusion
Spacing between the peripheral surface in portion and the center line of cam segment becomes larger, it is described abut against inner end that bar is located in housing can with it is right
The peripheral surface for the cam segment answered is against the outer end for abutting against bar can be abutted against with square tube.
Housing is stretched into square tube when positioning square tube, bar is abutted against at this time and stretches into square tube, rotated by driving motor
Rotation axis, with the rotation of cam segment, protrusion can will abut against bar and be released to the outside of housing, and four groups abut against bar and synchronize to overhanging
Go out, when the outer end for abutting against bar acts against on the inner wall of square tube, inner spindle is positioned with square tube；Pass through the inner spindle of above structure
Different size of square tube can be adapted to so that the applicability of inner spindle is wider, to save testing cost.
In above-mentioned square tube pull resistance detection device, the inner end for abutting against bar is bolted with against nut, it is described against
Be equipped between nut and housing so that abut against the inner end of bar always with the peripheral surface of corresponding cam segment against spring.The knot
Structure can to abut against the bar interior reset of retraction housing automatically.
In above-mentioned square tube pull resistance detection device, the outer collet includes that can be sleeved on chuck on the outside of square tube and four pieces
Gripping block, four pieces of gripping blocks are respectively positioned on the inside of chuck, and guide rod, the guide rod are respectively and fixedly provided in every piece of gripping block
It is plugged on chuck, the center line intersection of four guide rods is also bolted with gripping block on the center of chuck, the chuck
One-to-one to abut against bolt, the end for abutting against bolt can act against gripping block and four pieces of gripping blocks is made to clamp square tube.
When positioning square tube, chuck is first moved to the position being sleeved on the outside of square tube, by guide rod so that gripping block is moved to
The position to recline with square tube abuts against bolt gripping block is closely acted against in square tube finally by tightening, to by square tube
Be clamped between four pieces of gripping blocks, since gripping block can be moved relative to chuck, the size between gripping block be it is adjustable, therefore
Different size of square tube can be clamped so that the applicability of outer collet is wider, to save testing cost.
In above-mentioned square tube pull resistance detection device, circumferentially array is uniformly distributed and every piece of institute four pieces of gripping blocks
Gripping block is stated respectively with four outer angle alignments of square tube, the side at the gripping block towards square tube exterior angle offers right angle groove,
The cell wall of the stabilizer blade groove can recline with the outer wall of square tube.Gripping block can be made to act against the exterior angle of square tube with this configuration
Place, each gripping block act against on two sides of square tube, therefore can increase the stability for clamping square tube.
Compared with prior art, this square tube pull resistance detection device has the pull resistance inspection that can be realized to different size square tubes
The advantages of survey.
Description of the drawings
Fig. 1 is the side structure schematic view of this square tube pull resistance detection device.
Fig. 2 is schematic cross-sectional view when chuck component clamps square tube.
In figure, 1, detection case；11, saddle；12, fixed frame；13, guide rail；14, movable stand；15, push plate；16, sliding panel；
17, cylinder；2, rotational segment；21, cam segment；211, protrusion；22, housing；23, bar is abutted against；24, against nut；25, spring；
26, driving motor；27, interior to abut against block；28, bar；3, outer collet；31, chuck；311, chamfering；32, gripping block；33, it is oriented to
Bar；34, bolt is abutted against；341, right angle groove；4, square tube.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, square tube pull resistance detection device includes detection case 1 and the saddle for being fixed on 1 middle part of detection case
11, the interior both sides positioned at saddle 11 of detection case 1 are equipped with clamp assembly, and chuck component includes can the stuck inner core in square tube 4
Axis and the outer collet 3 that can be clamped in outside square tube 4 are located at 11 side of saddle on detection case 1 and are fixed with fixed frame 12, and one of which is pressed from both sides
The inner spindle and outer collet 3 of tight component are each attached on fixed frame 12, and 11 other side of saddle is located on detection case 1 and is equipped with guide rail
13, slidably connect on guide rail 13 can far from or close to saddle 11 movable stand 14, the inner spindle of another group of clamp assembly and
Outer collet 3 is each attached on movable stand 14.
Guide rail 13 has two, and two guide rails 13 are separately fixed on the two side up and down of detection case 1, and movable stand 14 includes
The push plate 15 being vertically arranged and two pieces of sliding panels 16 for being located at 15 upper and lower ends of push plate, two pieces of sliding panels 16 company of sliding respectively
It is connected on corresponding two guide rails 13, detection case 1 is fixed on the side plate of sliding panel 16, and there are two cylinder 17, two cylinders 17
The telescopic rod of distribution up and down, two cylinders 17 is vertical with push plate 15 fixed.Movable stand 14 is can guarantee by above structure always
Move back and forth along straight line, ensure that the mobile stabilization of movable stand 14, to stretch the power being applied to when detection in square tube 4 not
Offset ensures the accuracy of detection；Due to only needing a set of cylinder 17, cost is relatively low.
Inner spindle includes that rotation axis, housing 22 and four groups abut against bar 23, and rotation axis has rotational segment 2 and cam segment 21, outside
On the rotating shaft, housing 22 is fixed on fixed frame 12 or movable stand 14 22 sets of set, and rotational segment 2 and one is connected to fixed frame 12
Or the driving motor 26 on movable stand 14 connects, four groups abut against bar 23 and are plugged on housing 22 and cam along the radial direction of housing 22
Section 21 is on corresponding one section, and four groups abut against bar 23 circumferentially array is uniformly distributed, and have on cam segment 21 and abut against bar 23 with four groups
One-to-one protrusion 211, four groups of protrusions 211 circumferentially array distribution, peripheral surface and the cam segment 21 of protrusion 211
Spacing between center line becomes larger, and abutting against inner end that bar 23 is located in housing 22 can be with the peripheral surface of corresponding cam segment 21
Against abutting against the outer end of bar 23 can abut against with square tube 4.
The inner end for abutting against bar 23 is bolted with against nut 24, is equipped with against between nut 24 and housing 22 so that abutting against bar
23 inner end always with the peripheral surface of corresponding cam segment 21 against spring 25.The structure can so that abut against bar 23 retracts automatically
It is resetted in housing 22.Abut against bar 23 outer end be bolted in abut against block 27, inside abut against the outside tool of block 27 there are two being mutually perpendicular to
Abut against face.Maximum intensity at the interior angle of square tube 4, it is interior in positioning to abut against that block 27 is opposite with the interior angle of square tube 4 to be abutted against, it can be calmly
When position using larger pretightning force and increase with the contact area of square tube 4, so as to increase the frictional force with square tube 4, in promotion
The bonding strength of mandrel and square tube 4.The inside of housing 22 is fixed with four and four groups of 211 one-to-one bars 28 of protrusion,
In the distance for abutting against the stretching housing 22 of bar 23, most bar 28 can be abutted against with protrusion 211 in short-term.Bar 28 can limit rotation axis
Rotational angle so that abut against bar 23 without departing from corresponding protrusion 211.
Housing 22 is stretched into square tube 4 when positioning square tube 4, bar 23 is abutted against at this time and stretches into square tube 4, by driving electricity
Machine 26 rotates rotation axis, and with the rotation of cam segment 21, protrusion 211 can will abut against bar 23 and be released to the outside of housing 22, and four
Group abuts against bar 23 and synchronizes protruding, and when the outer end for abutting against bar 23 acts against on the inner wall of square tube 4, inner spindle and square tube 4 are fixed
Position；It can be adapted to different size of square tube 4 by the inner spindle of above structure so that the applicability of inner spindle is wider, to save
Testing cost.
Outer collet 3 is respectively positioned on folder including the chuck 31 and four pieces of gripping blocks 32, four pieces of gripping blocks 32 that can be sleeved on 4 outside of square tube
31 inside of set, is respectively and fixedly provided with guide rod 33 in every piece of gripping block 32, and guide rod 33 is plugged on chuck 31, four guide rods 33
Center line intersection is also bolted with gripping block 32 on the center of chuck 31, chuck 31 and abuts against bolt 34 correspondingly, abuts against spiral shell
The end of bolt 34 can act against gripping block 32 so that four pieces of gripping blocks 32 clamp square tube 4.
Four pieces of gripping blocks 32 circumferentially array be uniformly distributed and every piece of gripping block 32 respectively with four exterior angles pair of square tube 4
Together, the side at gripping block 32 towards 4 exterior angle of square tube offers right angle groove 341, and the cell wall of stabilizer blade groove can be with the outer wall of square tube 4
It reclines.Gripping block 32 can be made to act against at the exterior angle of square tube 4 with this configuration, each gripping block 32 acts against square tube 4
On two sides, therefore the stability for clamping square tube 4 can be increased.It is provided with skid resistance strip on the two sides cell wall of right angle groove 341,
Skid resistance strip direction on the two sides cell wall of right angle groove 341 is mutually perpendicular to.It can increase folder by orthogonal skid resistance strip
The tightly frictional force between block 32 and square tube 4 promotes the firmness that gripping block 32 clamps square tube 4.Each gripping block 32 corresponding two
Root abuts against bolt 34, and two abut against the both sides that bolt 34 is located at guide rod 33, and two abut against bolt 34 and are mutually perpendicular to.Chuck
31 section is square, and four corners of chuck 31 are provided with chamfering 311, and four pieces of gripping blocks 32 and four chamferings 311 1 are a pair of
It answers, guide rod 33 is plugged at chamfering 311.
When positioning square tube 4, chuck 31 is first moved to the position for being sleeved on 4 outside of square tube, by guide rod 33 so that gripping block
32 are moved to the position to recline with square tube 4, and bolt 34 is abutted against so that gripping block 32 closely acts against square tube 4 finally by tightening
On, between square tube 4 is clamped in four pieces of gripping blocks 32, since gripping block 32 can be moved relative to chuck 31, gripping block 32 it
Between size be adjustable, therefore different size of square tube 4 can be clamped so that the applicability of outer collet 3 is wider, to save
Testing cost.
First square tube 4 is placed on saddle 11 when detecting, in mobile square tube 4 so that square tube 4 is close to the one of fixed frame 12
End is fixedly clamped by inner spindle and outer collet 3, then in mobile movable stand 14 close to the other end of square tube 4 so that be located at movement
Inner spindle and outer collet 3 on frame 14 clamp the other end of square tube 4, after the both ends with square tube 4 are clamped and fixed, then reversed shifting
Dynamic movable stand 14 so that movable stand 14 stretches square tube 4, and movable stand 14 is equipped with the sensor that can detect 4 under tension of square tube, leads to
The pulling force that square tube 4 is subject to can be obtained in the data for crossing the sensor transmissions, so as to detect the tensile property of square tube 4；It is detecting
When by the way that one end of square tube 4 is fixed, the other end is moved to pull on square tube 4, reduces the generation of error, improves the essence of detection
Exactness.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of square tube pull resistance detection device, including detection case and the saddle that is fixed in the middle part of detection case, which is characterized in that institute
It states the both sides in detection case positioned at saddle and is equipped with clamp assembly, the chuck component includes can the stuck inner spindle in square tube
With the outer collet that can be clamped in outside square tube, fixed frame is fixed with positioned at saddle side on the detection case, is pressed from both sides described in one of which
The inner spindle of tight component and outer collet are each attached on fixed frame, and the saddle other side is located on the detection case and is equipped with guide rail, institute
State the movable stand that energy is slidably connected on guide rail far from or close to saddle, the inner spindle and outer clip of clamp assembly described in another group
Head is each attached on movable stand.
2. square tube pull resistance detection device according to claim 1, which is characterized in that the guide rail has two, two
The guide rail is separately fixed on the two side up and down of detection case, and the movable stand includes the push plate being vertically arranged and two pieces of difference
Positioned at the sliding panel of push plate upper and lower ends, two pieces of sliding panels are slidably connected at respectively on corresponding two guide rails, the inspection
Measuring tank is fixed there are two cylinder on the side plate of sliding panel, and two cylinders are distributed up and down, and the telescopic rod of two cylinders is equal
It is vertical with push plate to fix.
3. square tube pull resistance detection device according to claim 1, which is characterized in that the inner spindle include rotation axis,
Housing and four groups abut against bar, and the rotation axis has rotational segment and cam segment, and on the rotating shaft, the housing is solid for the housing set
The fixed frame driving motor that either rotational segment is connected to one on fixed frame or movable stand on movable stand is scheduled on to connect,
Four groups abut against bar along the radial direction of housing be plugged on housing it is one section corresponding with cam segment on, bar circumferentially battle array is abutted against described in four groups
Row are uniformly distributed, and are had on the cam segment and are abutted against the one-to-one protrusion of bar with four groups, protrusion described in four groups is circumferentially
Array distribution, the spacing between the peripheral surface of the protrusion and the center line of cam segment become larger, and the bar that abuts against is located at
Inner end in housing can be with the peripheral surface of corresponding cam segment against the outer end for abutting against bar can be abutted against with square tube.
4. square tube pull resistance detection device according to claim 3, which is characterized in that the inner end for abutting against bar is bolted with
Against nut, it is described against be equipped between nut and housing so that abut against the inner end of bar always with the periphery of corresponding cam segment
Face against spring.
5. square tube pull resistance detection device according to claim 1, which is characterized in that the outer collet includes can the side of being sleeved on
Chuck on the outside of pipe and four pieces of gripping blocks, four pieces of gripping blocks are respectively positioned on the inside of chuck, fixed in every piece of gripping block
There are guide rod, the guide rod to be plugged on chuck, the center line of four guide rods intersects in the center of chuck, the folder
It puts on and is also bolted with gripping block and abuts against bolt correspondingly, the end for abutting against bolt can act against gripping block and make four pieces
Gripping block clamps square tube.
6. square tube pull resistance detection device according to claim 5, which is characterized in that four pieces of gripping blocks circumferentially battle array
Row be uniformly distributed and every piece of gripping block respectively with four outer angle alignments of square tube, the gripping block towards square tube exterior angle one
Side offers right angle groove, and the cell wall of the stabilizer blade groove can recline with the outer wall of square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166007.9A CN108279164A (en) | 2018-02-28 | 2018-02-28 | A kind of square tube pull resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166007.9A CN108279164A (en) | 2018-02-28 | 2018-02-28 | A kind of square tube pull resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108279164A true CN108279164A (en) | 2018-07-13 |
Family
ID=62808907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810166007.9A Withdrawn CN108279164A (en) | 2018-02-28 | 2018-02-28 | A kind of square tube pull resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108279164A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664038A (en) * | 2019-01-10 | 2019-04-23 | 宁波纬诚科技股份有限公司 | Fixture for the cutting of regular polygon pipe |
| CN111318840A (en) * | 2020-04-17 | 2020-06-23 | 苏州威尔汉姆堆焊技术有限公司 | In-pipe welding device |
-
2018
- 2018-02-28 CN CN201810166007.9A patent/CN108279164A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664038A (en) * | 2019-01-10 | 2019-04-23 | 宁波纬诚科技股份有限公司 | Fixture for the cutting of regular polygon pipe |
| CN111318840A (en) * | 2020-04-17 | 2020-06-23 | 苏州威尔汉姆堆焊技术有限公司 | In-pipe welding device |
| CN111318840B (en) * | 2020-04-17 | 2021-11-30 | 苏州威尔汉姆堆焊技术有限公司 | In-pipe welding device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180713 |