CN204988872U - Pipe fitting torsion test anchor clamps - Google Patents
Pipe fitting torsion test anchor clamps Download PDFInfo
- Publication number
- CN204988872U CN204988872U CN201520754776.2U CN201520754776U CN204988872U CN 204988872 U CN204988872 U CN 204988872U CN 201520754776 U CN201520754776 U CN 201520754776U CN 204988872 U CN204988872 U CN 204988872U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- retaining member
- outer retaining
- hole
- test fixture
- 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.)
- Expired - Fee Related
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- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a pipe fitting torsion test anchor clamps relates to anchor clamps technical field. Pipe fitting torsion test anchor clamps contains lock nut, outer holder and interior support piece, and wherein, the lock nut center is provided with the through -hole, and through -hole one end is provided with the screw thread, and the other end is the taper hole, and the thread end is close to to the taper hole main aspects, outer holder sets up to the drum structure, the excircle of outer holder be provided with with lock nut complex external screw thread section and excircle conic section, interior support piece is used for supporting by the pipe fitting of centre gripping, outer holder cover is established at the pipe fitting by the centre gripping outsidely, and the lock nut cover is established the outside of outer holder. The utility model has the advantages of: through screwing up lock nut, the lock is through the cooperation conical surface relative slip of nut with outer holder, the double -layered tight pipe fitting of lateral wall shrink of outer holder. Outer holder is great with the area of contact of pipe fitting, and the atress is more even, can not produce stress concentration, and the pipe fitting is inside to have interior support piece, can not take place behind the radial atress of pipe fitting to warp.
Description
Technical field
The utility model relates to clamp art, particularly relates to a kind of pipe fitting twisting test fixture.
Background technology
Thin-wall pipe can be subject to the effect of torsional load under some working environment, needs the twisting test of carrying out pipe fitting, comprises and reverses static(al), torture test etc.Do twisting test to need the two ends of pipe fitting to clamp, because twisting test load is large, need the holding force at pipe fitting two ends larger.Be clamped with two requirements, first will have enough large clamping force, make to occur in process of the test sliding in twist process; In addition, excessive holding force be avoided to produce excessive deformation or local stress to pipe fitting clip position.Cause test pipe fitting to produce time serious to destroy, cause the end of pipe fitting still cannot clamp, cause twisting test to carry out; Meanwhile, there is excessive stress or distortion in end, also can affect the accuracy of test findings.
Utility model content
The purpose of this utility model is to provide a kind of pipe fitting twisting test fixture, to solve in existing background technology the problem at least one place existed.
The technical solution of the utility model is: provide a kind of pipe fitting twisting test fixture, for clamp assay pipe fitting, comprise set nut, outer retaining member and inner support member, wherein, described set nut center is provided with through hole, described through hole one end is provided with internal thread segment, and the other end is internal taper hole section, and the large end of internal taper hole section is near internal thread segment; Described outer retaining member is set to cylindrical structure, and the cylindrical of described outer retaining member is provided with the external thread section coordinated with the internal thread segment of set nut and the outer cone section coordinated with internal taper hole section; Described inner support member is placed in by the endoporus of the pipe fitting clamped, for supporting by the pipe fitting clamped; The pipe fitting that described outer retaining member is set in by clamping is outside, and described set nut is set in the outside of described outer retaining member.
Preferably, the cylinder side wall of described outer retaining member is axially provided with open slot, and the quantity of open slot is at least one, and when the quantity of open slot is multiple, multiple open slot is uniform at the circumferencial direction of cylinder.
Preferably, described outer retaining member is axially provided with the first reducer near the small end of described outer cone section, and the wall thickness of the first reducer reduces gradually from the small end of outer cone section to the end face of described outer retaining member.
Preferably, the other end that described outer retaining member is relative with described first reducer is provided with annular flange.
Preferably, the sidewall of described outer retaining member is provided with the first through hole between described thread segment and annular flange.
Preferably, described inner support member radial direction is provided with the second through hole, and one end of described inner support member is provided with second reducer corresponding with the first reducer of outer retaining member.
Preferably, described pipe fitting twisting test fixture comprises stop pin further, and described stop pin is through the first through hole on described outer retaining member and the second through hole on described inner support member.
Preferably, described outer retaining member and the cone angle of the conical section matched of described inner support member are 1 degree to 5 degree.
The utility model has the advantage of: by tightening set nut, locking and coordinating conical surface relative sliding, the sidewall shrink clamping pipe fitting of outer retaining member through nut and outer retaining member.The contact area of outer retaining member and pipe fitting is comparatively large, and stressed relatively more even, and can not produce stress and concentrate, inside pipe fitting has inner support member, can not deform after pipe fitting radial force.
Accompanying drawing explanation
Fig. 1 is the use schematic diagram of the pipe fitting twisting test fixture of the utility model one embodiment;
Fig. 2 is the schematic diagram of the outer retaining member shown in Fig. 1;
Fig. 3 is the schematic diagram of the inner support member shown in Fig. 1.
Wherein: 1-stop pin, 2-set nut, 3-outer retaining member, 4-inner support member, 5-pipe fitting, 31-annular flange, 32-first through hole, 33-thread segment, 34-outer cone section, 35-open slot, 36-first reducer, 41-second through hole, 42-second reducer.
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figure 1 to Figure 3, a kind of pipe fitting twisting test fixture, for clamp assay pipe fitting 5, comprise stop pin 1, set nut 2, outer retaining member 3 and inner support member 4, wherein, Fig. 1 is the use schematic diagram of pipe fitting twisting test fixture in the present embodiment, and Fig. 2 is the schematic diagram of the outer retaining member 3 shown in Fig. 1, and Fig. 3 is the schematic diagram of the inner support member 4 shown in Fig. 1.
Set nut 2 center is provided with through hole, and through hole one end is provided with internal thread segment, and the other end is internal taper hole section, and the large end of internal taper hole section is near internal thread segment.The internal thread segment of through hole and internal taper hole section intersection are provided with relief groove, and its advantage is the processing facilitating screw thread.
The outer setting of set nut 2 is hexagonal structure, for tightening set nut 2.Its advantage is: set nut 2 tightened by general utility wrench easy to use.
Be understandable that, the external structure of set nut 2 can also set according to actual conditions, and such as, in an alternative embodiment, the external structure of set nut 2 is square; The setting of the external structure of set nut 2 is mainly considered conveniently to tighten set nut 2.
Outer retaining member 3 is set to cylindrical structure, and the cylindrical of outer retaining member 3 is provided with the external thread section 33 coordinated with the internal thread segment of set nut 2 and the outer cone section 34 coordinated with internal taper hole section.Set nut 2 is set on outer retaining member 3, and the internal thread on set nut 2 coordinates with the external thread section on outer retaining member 3, and the taper hole of set nut 2 coordinates with the outer cone section 34 on outer retaining member 3.
Inner support member 4 is placed in by the endoporus of the pipe fitting 5 clamped, for supporting by the pipe fitting 5 clamped; The pipe fitting 5 that outer retaining member 3 is set in by clamping is outside, and set nut 2 is set in the outside of outer retaining member 3.
In the present embodiment, the cylinder side wall of outer retaining member 3 is axially provided with multiple open slot 35, and multiple open slot 35 is uniform at the circumferencial direction of outer retaining member 3.
Be understandable that, the quantity of the open slot 35 on outer retaining member 3 also can be set to one.
The advantage sidewall of outer retaining member 3 being arranged open slot 35 is: when tightening set nut 2, and open slot 35 is conducive to the drawdown deformation of outer retaining member 2 sidewall.
Outer retaining member 3 is axially provided with the first reducer 36, first reducer 36 wall thickness near the small end of outer cone section 34 reduces gradually from the small end of outer cone section 34 to the end face of outer retaining member 3.Its advantage is: the wall thickness of the first reducer 36 is thinner, stressed rear easy distortion, can not produce stress concentrate pipe fitting 5.
The other end that outer retaining member 3 is relative with the first reducer 36 is provided with annular flange 31.On annular flange 31, circumference uniform distribution is provided with connecting hole, for being connected with test torsion equipment.
The sidewall of outer retaining member 3 is provided with the first through hole 32 between thread segment 33 and annular flange 31.First through hole 32 is for installing stop pin 1.
Inner support member 4 radial direction is provided with the second through hole 41, and one end of inner support member 4 is provided with second reducer 42 corresponding with the first reducer 36 of outer retaining member 3.
In the present embodiment, pipe fitting twisting test fixture comprises stop pin 1 further, align under the second through hole 41 on inner support member 4 and the first through hole 32 using state on outer retaining member 3, stop pin 1 is through the first through hole 32 on outer retaining member 3 and the second through hole 41 on inner support member 4.Its advantage is: stop pin 1 is radially across outer retaining member 3, pipe fitting 5 and inner support member 4, and when the holding force of outer retaining member 3 is inadequate, stop pin can prevent pipe fitting 5 from rotating.
Outer retaining member 3 is 4 degree with the cone angle of the conical section matched of inner support member 4.
Be understandable that, outer retaining member 3 can also set according to actual conditions with the cone angle of the conical section matched of inner support member 4.Such as, in an alternative embodiment, outer retaining member 3 is 1 degree with the cone angle of the conical section matched of inner support member 4; In another alternative, outer retaining member 3 is 5 degree with the cone angle of the conical section matched of inner support member 4; And outer retaining member 3 can set between 5 degree at 1 degree as required with the cone angle of the conical section matched of inner support member 4.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a pipe fitting twisting test fixture, for clamp assay with pipe fitting (5), is characterized in that: comprise set nut (2), outer retaining member (3) and inner support member (4), wherein,
Described set nut (2) center is provided with through hole, and described through hole one end is provided with internal thread segment, and the other end is internal taper hole section, and the large end of internal taper hole section is near internal thread segment;
Described outer retaining member (3) is set to cylindrical structure, and the cylindrical of described outer retaining member (3) is provided with the external thread section (33) coordinated with the internal thread segment of set nut (2) and the outer cone section (34) coordinated with internal taper hole section;
Described inner support member (4) is placed in by the endoporus of the pipe fitting (5) clamped, for supporting by the pipe fitting (5) clamped; The pipe fitting (5) that described outer retaining member (3) is set in by clamping is outside, and described set nut (2) is set in the outside of described outer retaining member (3).
2. pipe fitting twisting test fixture according to claim 1, it is characterized in that: the cylinder side wall of described outer retaining member (3) is axially provided with open slot (35), the quantity of open slot (35) is at least one, when the quantity of open slot (35) is multiple, multiple open slot (35) is uniform at the circumferencial direction of cylinder.
3. pipe fitting twisting test fixture according to claim 1, it is characterized in that: described outer retaining member (3) is axially provided with the first reducer (36) near the small end of described outer cone section (34), the wall thickness of the first reducer (36) reduces gradually from the small end of outer cone section (34) to the end face of described outer retaining member (3).
4. pipe fitting twisting test fixture according to claim 3, is characterized in that: the other end that described outer retaining member (3) is relative with described first reducer (36) is provided with annular flange (31).
5. pipe fitting twisting test fixture according to claim 4, is characterized in that: the sidewall of described outer retaining member (3) is provided with the first through hole (32) between described thread segment (33) and annular flange (31).
6. pipe fitting twisting test fixture according to claim 3, it is characterized in that: described inner support member (4) radial direction is provided with the second through hole (41), one end of described inner support member (4) is provided with second reducer (42) corresponding with first reducer (36) of outer retaining member (3).
7. the pipe fitting twisting test fixture according to claim 5 or 6, it is characterized in that: described pipe fitting twisting test fixture comprises stop pin (1) further, described stop pin (1) is through the first through hole (32) on described outer retaining member (3) and the second through hole (41) on described inner support member (4).
8. pipe fitting twisting test fixture according to claim 1, is characterized in that: described outer retaining member (3) and the cone angle of the conical section matched of described inner support member (4) are 1 degree to 5 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754776.2U CN204988872U (en) | 2015-09-25 | 2015-09-25 | Pipe fitting torsion test anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754776.2U CN204988872U (en) | 2015-09-25 | 2015-09-25 | Pipe fitting torsion test anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988872U true CN204988872U (en) | 2016-01-20 |
Family
ID=55123230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520754776.2U Expired - Fee Related CN204988872U (en) | 2015-09-25 | 2015-09-25 | Pipe fitting torsion test anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515192A (en) * | 2017-06-20 | 2017-12-26 | 山西华星管业科技有限公司 | Detect the fixture of lining plastic composited pipe adhesive force |
| CN117420012A (en) * | 2023-12-19 | 2024-01-19 | 泓欣科创生物科技(北京)有限公司 | Nerve sleeve tensile test tool and nerve sleeve tensile test method |
-
2015
- 2015-09-25 CN CN201520754776.2U patent/CN204988872U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515192A (en) * | 2017-06-20 | 2017-12-26 | 山西华星管业科技有限公司 | Detect the fixture of lining plastic composited pipe adhesive force |
| CN117420012A (en) * | 2023-12-19 | 2024-01-19 | 泓欣科创生物科技(北京)有限公司 | Nerve sleeve tensile test tool and nerve sleeve tensile test method |
| CN117420012B (en) * | 2023-12-19 | 2024-03-15 | 泓欣科创生物科技(北京)有限公司 | Nerve sleeve tensile test tool and nerve sleeve tensile test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |