CN207114311U - A kind of lined with PVC tubing anti-pulling experimental rig - Google Patents
A kind of lined with PVC tubing anti-pulling experimental rig Download PDFInfo
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- CN207114311U CN207114311U CN201721069257.8U CN201721069257U CN207114311U CN 207114311 U CN207114311 U CN 207114311U CN 201721069257 U CN201721069257 U CN 201721069257U CN 207114311 U CN207114311 U CN 207114311U
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- clamping
- pvc tubing
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Abstract
The utility model discloses a kind of lined with PVC tubing anti-pulling experimental rig, detector and pulling apparatus including gripping block, for detecting lined with PVC sheets force-bearing situation, clamping slot is symmetrically offered in the gripping block, the grip orifice connected with clamping slot is offered in the gripping block, clamping plate is provided with the clamping slot, the clamping bolt abutted with clamping plate is equipped with the gripping block；The pulling apparatus includes support frame and the support tube being connected with support frame, is equipped with threaded rod in the support tube, the thread barrel abutted with support tube is arranged with the threaded rod;Described detector one end is connected with threaded rod, and the other end is connected with gripping block.The utility model has the advantage that can detect anti-drawing strength.
Description
Technical field
Lined with PVC pipe workpiece quality detection field is the utility model is related to, in particular, it is related to a kind of lined with PVC pipe
Material anti-pulling experimental rig.
Background technology
As conventional municipal draining and the main product of drainage project, reinforced concrete sewer pipe it is widely accepted and
Using having absolute advantage and public praise.With the rapidly development of industry, sewage（Particularly industrial wastewater）In contained acidity
It is more and more with noxious material, certain erosion is generated to the concrete of draining inside pipe wall, have impact on the service life of pipeline.
Therefore, we have introduced new technology, armored concrete liner modified polyvinyl chloride drainpipe is produced（Abbreviation lined with PVC pipe）,
To reach the effect for preventing that pipe shaft concrete from being corroded by sewage or toxic gas.
As depicted in figs. 1 and 2, lined with PVC pipe 1 includes lined with PVC sheets 11 and concrete tube body 12, lined with PVC sheets
The retainingf key 13 being provided with 11 in embedded concrete tube body 12, retainingf key 13 is T-shaped, lined with PVC sheets 11 and pipe of concrete
The firmness that body 12 combines is represented with the anti-drawing strength of retainingf key 13, but device can not detect anti-pulling now
Intensity, and then the quality that lined with PVC sheets 11 is combined with concrete tube body 12 can not be ensured, this problem is badly in need of solving.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of lined with PVC tubing anti-pulling
Experimental rig, it has the advantage that can detect anti-drawing strength.
To achieve the above object, the utility model provides following technical scheme：
A kind of lined with PVC tubing anti-pulling experimental rig, including gripping block, for detecting lined with PVC sheets force-bearing situation
Detector and pulling apparatus, symmetrically offer clamping slot in the gripping block, offered in the gripping block and clamping slot connects
Logical grip orifice, clamping plate is provided with the clamping slot, the clamping bolt abutted with clamping plate is equipped with the gripping block；
The pulling apparatus includes support frame and the support tube being connected with support frame, and threaded rod, the spiral shell are equipped with the support tube
The thread barrel abutted with support tube is arranged with rasp bar;Described detector one end is connected with threaded rod, and the other end connects with gripping block
Connect.
By using above-mentioned technical proposal, when detecting anti-drawing strength, support frame is put into lined with PVC tubing to be detected
It is interior, symmetrically drawn in retainingf key both sides and take two sections of lined with PVC sheets that detection lug is then inserted into clamping slot respectively as detection lug
In, clamping bolt is tightened, clamping plate is brought into close contact with detection lug, thread barrel is rotated and drives threaded rod to be moved relative to support tube
It is dynamic, the detector for detecting lined with PVC sheets force-bearing situation, the mistake of threaded rod movement are provided between threaded rod and gripping block
The pulling force that detection lug is subject in journey constantly increases, and detector can show value of thrust, within the value of thrust that detector is shown reaches
When serving as a contrast the specified maximum pull value of PVC sheet, the retainingf key of detection lug is not broken or retainingf key is not from concrete tube body
Come off, then it is assumed that anti-drawing strength is qualified, if retainingf key fracture or retainingf key come off from concrete tube body, fracture or
The value of thrust that detector is shown when person comes off represents anti-drawing strength.
Further, the thread barrel, which protrudes above, is provided with snap ring, and depression is provided with the support tube coordinates with snap ring
Neck.
By using above-mentioned technical proposal, snap ring coordinates with neck inlay card plays position-limiting action to thread barrel, can prevent
Shifted when thread barrel rotates relative to support tube.
Further, stopper slot is provided with the threaded rod, the limit coordinated with stopper slot is provided with the support tube
Position block.
By using above-mentioned technical proposal, the limited block in stopper slot and support tube on threaded rod coordinates, and can prevent
Threaded rod rotates in thread barrel rotation process.
Further, the limited block is arranged to be detachably connected with support tube.
By using above-mentioned technical proposal, after limited block serious wear, limited block is arranged to be detachably connected with support tube
It can facilitate and limited block is changed.
Further, the striped of projection is provided with side wall of the clamping plate away from threaded rod.
By using above-mentioned technical proposal, be provided with clamping plate the striped of projection can increase clamping plate and detection lug it
Between frictional force, make that detection lug is connected with gripping block is more firm, and detection lug departs from gripping block during preventing experiment.
Further, depression is provided with the fixing groove coordinated with clamping bolt on the clamping plate.
By using above-mentioned technical proposal, fixing groove is provided with clamping plate to play position-limiting action to clamping plate, made
Clamping plate will not shift when clamping bolt is tightened, and then clamping plate is brought into close contact completely with detection lug.
Further, support frame as described above includes the supporting plate being connected with support tube, and branch is symmetrically arranged with the supporting plate
Montant is supportted, the one end of the vertical supporting rod away from supporting plate is vertically connected with support rail.
By using above-mentioned technical proposal, when support frame is put into lined with PVC tubing to be detected, two support rails are with mixing
The lined with PVC sheets for coagulating native inboard wall of tube body abuts, and whole experimental rig during detection can be made not shake, guarantee test is suitable
Profit is carried out.
Further, the support rail is cylinder, and two vertical supporting rods are set in angle.
By using above-mentioned technical proposal, pipe of concrete intracoelomic cavity is also cylinder in cylinder, support rail, can be made
Support rail is consolidated with the lined with PVC sheets of concrete tube body inwall and abutted, and then improves the stability of support frame；Triangle
Stability is good, so two vertical supporting rods set the stability that can further improve support frame in angle.
Further, the one end of the clamping bolt away from clamping plate is provided with handle.
By using above-mentioned technical proposal, clamping bolt can be rotated by handle, clamping plate is closely pasted with detection lug
Close.
Further, the handle is arranged to be detachably connected with clamping bolt.
By using above-mentioned technical proposal, after clamping bolt serious wear, handle is arranged to detachably connect with clamping bolt
Connect to facilitate and clamping bolt is changed.
In summary, the utility model has the advantages that：
When the 1st, detecting anti-drawing strength, support frame is put into lined with PVC tubing to be detected, support rail and concrete
The lined with PVC sheets of inboard wall of tube body abuts, and is symmetrically drawn in retainingf key both sides and takes two sections of lined with PVC sheets as detection lug, then
Detection lug is inserted into clamping slot respectively, clamping bolt is tightened, clamping plate is brought into close contact with detection lug, thread barrel is rotated and drives
Threaded rod moves relative to support tube, is provided between threaded rod and gripping block for detecting lined with PVC sheets force-bearing situation
Detector, the pulling force that detection lug is subject to during threaded rod moves constantly increase, and detector can show value of thrust, work as detection
When the value of thrust that device is shown reaches lined with PVC sheets specified maximum pull value, the retainingf key of detection lug is not broken or fixed
Key does not come off from concrete tube body, then it is assumed that anti-drawing strength is qualified, if retainingf key fracture or retainingf key are from coagulation
Come off in native body, then the value of thrust that detector is shown when being broken or coming off represents anti-drawing strength；
2nd, the striped of projection is provided with clamping plate can increase frictional force between clamping plate and detection lug, make detection lug
What is be connected with gripping block is more firm, and detection lug departs from gripping block during preventing experiment；
3rd, snap ring and neck inlay card coordinate plays position-limiting action to thread barrel, can prevent thread barrel from turning relative to support tube
Shifted when dynamic, and the limited block in the stopper slot and support tube on threaded rod coordinates, and can prevent thread barrel rotation process
Middle threaded rod rotates.
Brief description of the drawings
Fig. 1 is the overall structure diagram of lined with PVC pipe；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the overall structure diagram of lined with PVC tubing anti-pulling experimental rig in embodiment；
Fig. 4 is the structural representation of lined with PVC tubing anti-pulling experimental rig and lined with PVC pipe in embodiment；
Fig. 5 is the enlarged diagram of part B in Fig. 4；
Fig. 6 is the structural representation of threaded rod, thread barrel and support tube in embodiment；
Fig. 7 is the structural representation of support tube, limited block and threaded rod in embodiment；
Fig. 8 is the exploded perspective view of gripping block in embodiment.
In figure：1st, lined with PVC pipe；11st, lined with PVC sheets；12nd, concrete tube body；13rd, retainingf key；14th, detection lug；3、
Gripping block；31st, clamping slot；32nd, grip orifice；33rd, clamping plate；331st, striped；332nd, fixing groove；34th, clamping bolt；341st, hand
Handle；342nd, handle post；35th, draw ring；351st, draw ring bolt；4th, detector；41st, link up with；42nd, link；51st, support tube；511st, block
Groove；512nd, supported hole；52nd, threaded rod；521st, stopper slot；522nd, contiguous block；523rd, latch；53rd, thread barrel；531st, snap ring；
532nd, bracing piece；54th, limited block；541st, caging bolt；55th, supporting plate；56th, vertical supporting rod；57th, support rail；58th, aid in
Bar.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
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.
Embodiment：
A kind of lined with PVC tubing anti-pulling experimental rig, as shown in figure 3, being provided with support tube 51 in supporting plate 55, support
Threaded rod 52 is equipped with cylinder 51, thread barrel 53 is arranged with threaded rod 52, bracing piece 532 is symmetrically arranged with thread barrel 53,
Supporting plate 55 is symmetrically arranged with vertical supporting rod 56, and two vertical supporting rods 56 are set in angle, and vertical supporting rod 56 is away from supporting plate 55
One end be vertically connected with support rail 57, support rail 57 is cylinder, and auxiliary rod is connected between two support rails 57
58；The one end of threaded rod 52 away from thread barrel 53 is provided with contiguous block 522, and the link 42 on detector 4 passes through with contiguous block 522
Latch 523 connects, and the one end of detector 4 away from link 42 is connected with hook 41,4 preferred steelyard of detector, is set in gripping block 3
There is draw ring 35, hook 41 is connected with gripping block 3 by draw ring 35.
As shown in figure 4, lined with PVC pipe 1 includes concrete tube body 12 and the lined with PVC sheets being connected with concrete tube body 12
11；Support rail 57 abuts with lined with PVC sheets 11.
As shown in figure 5, the retainingf key 13 of embedded concrete tube body 12 is provided with lined with PVC sheets 11, in retainingf key 13
Both sides, which are symmetrically drawn, takes two sections of lined with PVC sheets 11 to be used as detection lug 14；Clamping slot 31, gripping block 3 are symmetrically offered in gripping block 3
Bottom surface offers the grip orifice 32 connected with clamping slot 31, and clamping plate 33 is provided with clamping slot 31, and the thickness of clamping plate 33 is small
In the width of grip orifice 32, detection lug 14 is inserted in clamping slot 31 and abutted with clamping plate 33.
As shown in fig. 6, the bottom surface of thread barrel 53 protrusion is provided with snap ring 531, it is recessed on support tube 51 and is provided with and snap ring 531
The neck 511 of cooperation, the supported hole 512 passed through for threaded rod 52, threaded rod 52 and thread barrel 53 are offered in support tube 51
For threaded connection, the inwall inlay card limited location block 54 of support tube 51, limited block 54 is connected with support tube 51 by caging bolt 541,
Depression is provided with the stopper slot 521 coordinated with limited block 54 on threaded rod 52.
As shown in fig. 7, limited block 54 and the contact surface of support tube 51 are arc surface.
As shown in figure 8, being provided with draw ring bolt 351 on draw ring 35, draw ring 35 is connected with gripping block 3 by draw ring bolt 351
Connecing, clamping bolt 34 is equipped with gripping block 3, depression is provided with the fixing groove 332 coordinated with clamping bolt 34 on clamping plate 33,
Clamping plate 33 is provided with the striped 331 of projection in the side wall away from clamping bolt 34, the vertical section of striped 331 is triangular in shape, this
Clamping bolt 34 is hexagon socket head cap screw in embodiment, and the handle post 342 coordinated with clamping bolt 34 is provided with handle 341.
Operation principle is as follows：
When detecting anti-drawing strength, support frame is put into lined with PVC pipe 1 to be detected, support rail 57 and concrete
The lined with PVC sheets 11 of the inwall of body 12 abuts, and is symmetrically drawn in the both sides of retainingf key 13 and takes two sections of lined with PVC sheets as detection lug
14；Detection lug 14 is inserted into clamping slot 31 respectively, clamping bolt 34 is tightened by handle 341, makes clamping plate 33 and detection lug
14 are brought into close contact；Rotating thread barrel 53 by bracing piece 532 drives threaded rod 52 to be moved relative to support tube 51, and threaded rod 52 moves
The pulling force that detection lug 14 is subject in dynamic process constantly increases, and detector 4 can show value of thrust, when the drawing that detector 4 is shown
When force value reaches the specified maximum pull value of lined with PVC sheets 11, the retainingf key 13 of detection lug 14 is without fracture or retainingf key 13
Do not come off from concrete tube body 12, then it is assumed that anti-drawing strength is qualified, if retainingf key 13 be broken or retainingf key 13 from
Come off in concrete tube body 12, then the value of thrust that detector 4 is shown when being broken or coming off represents anti-drawing strength.
Claims (10)
- A kind of 1. lined with PVC tubing anti-pulling experimental rig, it is characterised in that：Including gripping block（3）, for detecting lined with PVC The detector of sheet material force-bearing situation（4）And pulling apparatus, the gripping block（3）It is interior symmetrically to offer clamping slot（31）, the folder Tight block（3）On offer and clamping slot（31）The grip orifice of connection（32）, the clamping slot（31）Inside it is provided with clamping plate（33）, The gripping block（3）On be equipped with and clamping plate（33）The clamping bolt of abutting（34）；The pulling apparatus include support frame and The support tube being connected with support frame（51）, the support tube（51）Inside it is equipped with threaded rod（52）, the threaded rod（52）Upper set It is provided with and support tube（51）The thread barrel of abutting（53）；The detector（4）One end and threaded rod（52）Connection, the other end and folder Tight block（3）Connection.
- 2. lined with PVC tubing anti-pulling experimental rig according to claim 1, it is characterised in that：The thread barrel（53） Protrude above and be provided with snap ring（531）, the support tube（51）Upper depression is provided with and snap ring（531）The neck of cooperation（511）.
- 3. lined with PVC tubing anti-pulling experimental rig according to claim 2, it is characterised in that：The threaded rod（52） On be provided with stopper slot（521）, the support tube（51）Inside it is provided with and stopper slot（521）The limited block of cooperation（54）.
- 4. lined with PVC tubing anti-pulling experimental rig according to claim 3, it is characterised in that：The limited block（54） With support tube（51）It is arranged to be detachably connected.
- 5. the lined with PVC tubing anti-pulling experimental rig according to any claim in claim 1-4, its feature exist In：The clamping plate（33）Away from threaded rod（52）Side wall on be provided with projection striped（331）.
- 6. lined with PVC tubing anti-pulling experimental rig according to claim 5, it is characterised in that：The clamping plate（33） Upper depression is provided with and clamping bolt（34）The fixing groove of cooperation（332）.
- 7. the lined with PVC tubing anti-pulling experimental rig according to any claim in claim 1-4, its feature exist In：Support frame as described above includes and support tube（51）The supporting plate of connection（55）, the supporting plate（55）On be symmetrically arranged with support Montant（56）, the vertical supporting rod（56）Away from supporting plate（55）One end be vertically connected with support rail（57）.
- 8. lined with PVC tubing anti-pulling experimental rig according to claim 7, it is characterised in that：The support rail （57）For cylinder, two vertical supporting rods（56）Set in angle.
- 9. the lined with PVC tubing anti-pulling experimental rig according to any claim in claim 1-4, its feature exist In：The clamping bolt（34）Away from clamping plate（33）One end be provided with handle（341）.
- 10. lined with PVC tubing anti-pulling experimental rig according to claim 9, it is characterised in that：The handle（341） With clamping bolt（34）It is arranged to be detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069257.8U CN207114311U (en) | 2017-08-24 | 2017-08-24 | A kind of lined with PVC tubing anti-pulling experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069257.8U CN207114311U (en) | 2017-08-24 | 2017-08-24 | A kind of lined with PVC tubing anti-pulling experimental rig |
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| Publication Number | Publication Date |
|---|---|
| CN207114311U true CN207114311U (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069257.8U Active CN207114311U (en) | 2017-08-24 | 2017-08-24 | A kind of lined with PVC tubing anti-pulling experimental rig |
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| CN (1) | CN207114311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710542A (en) * | 2021-01-18 | 2021-04-27 | 苏州混凝土水泥制品研究院检测中心有限公司 | Equipment and method for detecting tensile strength of PE sheet |
| CN114345966A (en) * | 2021-12-03 | 2022-04-15 | 昌河飞机工业（集团）有限责任公司 | Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder |
-
2017
- 2017-08-24 CN CN201721069257.8U patent/CN207114311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710542A (en) * | 2021-01-18 | 2021-04-27 | 苏州混凝土水泥制品研究院检测中心有限公司 | Equipment and method for detecting tensile strength of PE sheet |
| CN114345966A (en) * | 2021-12-03 | 2022-04-15 | 昌河飞机工业（集团）有限责任公司 | Mold clamping device and mold clamping method for inner lining mold of helicopter blade girder |
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