CN210375675U - Clamp for plastic corrugated pipe drawing force test - Google Patents

Clamp for plastic corrugated pipe drawing force test Download PDF

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Publication number
CN210375675U
CN210375675U CN201921807318.5U CN201921807318U CN210375675U CN 210375675 U CN210375675 U CN 210375675U CN 201921807318 U CN201921807318 U CN 201921807318U CN 210375675 U CN210375675 U CN 210375675U
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CN
China
Prior art keywords
oppositely
clamping rods
corrugated pipe
plastic corrugated
rod
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Active
Application number
CN201921807318.5U
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Chinese (zh)
Inventor
余学伟
李晓东
何丽
周丽敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Zhentong Testing Co.,Ltd.
Original Assignee
Sichuan Zhentong Highroad Project Experimentation & Detection Co ltd
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Priority to CN201921807318.5U priority Critical patent/CN210375675U/en
Application granted granted Critical
Publication of CN210375675U publication Critical patent/CN210375675U/en
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Abstract

The utility model discloses an anchor clamps for plastic corrugated pipe drawing force is experimental, include: the end face of the support rod is fixedly welded with a connecting rod, and two ends of the support rod are provided with sliding grooves; the clamping rods are oppositely arranged, a first circular through hole and a second circular through hole are formed in each clamping rod, and the second circular through holes are opposite to the sliding grooves; the first screw rods are oppositely arranged and respectively provided with a first circular through hole, and two ends of each first screw rod are provided with first fastening nuts; and the second screw rods which are oppositely arranged penetrate through the second circular through holes respectively, and the second screw rods are provided with second fastening nuts. The utility model discloses an anchor clamps for plastic corrugated pipe drawing force is experimental have simple structure, convenient operation, safe and reliable, and manufacturing cost is lower, and application scope is wide, through the relative distance of adjusting the clamping bar, can realize the quick clamp of the bellows that awaits measuring to different bores tightly, can promote work efficiency's advantage greatly.

Description

Clamp for plastic corrugated pipe drawing force test
Technical Field
The utility model belongs to plastic corrugated pipe drawing force test device field, concretely relates to an anchor clamps for plastic corrugated pipe drawing force is experimental.
Background
In recent years, plastic corrugated pipes are widely applied in equipment manufacturing, engineering installation and concrete bridge application, the produced plastic corrugated pipes are generally subjected to drawing force tests, the plastic corrugated pipes can be delivered after meeting quality requirements, drawing instruments and relevant clamps are generally used in the testing process, corresponding clamps in the current market are few, the drawing force tests only have the technical requirements for manufacturing test pieces and the testing method lack corresponding testing clamps, and corresponding instruments are also lacking in the market, so that great troubles are caused to testers in the testing process, the testing efficiency is reduced, and the problem needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a clamp for a plastic corrugated pipe drawing force test, including:
the support rod is provided with sliding grooves at two ends, a connecting rod is fixedly welded on the end face of the support rod, and a pin hole is formed in the connecting rod;
the clamping rods are oppositely arranged, the middle parts of the clamping rods are arc-shaped surfaces, the end parts of the clamping rods are planes, first circular through holes are formed in the end parts of the clamping rods, convex surfaces of the arc-shaped surfaces of the clamping rods are integrally formed with convex blocks, and second circular through holes are formed in the convex blocks;
the group of oppositely arranged first screw rods respectively penetrate through the first circular through holes on the group of oppositely arranged clamping rods, and both ends of the group of oppositely arranged first screw rods are provided with first fastening nuts;
and the group of second screws which are arranged oppositely penetrates through the second round through holes on the group of clamping rods which are arranged oppositely, part of the group of second screws which are arranged oppositely is positioned in the sliding grooves at the two ends of the supporting rod, and the group of second screws which are arranged oppositely are provided with second fastening nuts.
Preferably, the sliding grooves are symmetrically distributed on the supporting rod.
Preferably, the number of the first fastening nuts is four, and the first fastening nuts are respectively positioned on two sides of a group of oppositely-arranged clamping rods.
Preferably, the number of the second fastening nuts is six, and the second fastening nuts are respectively positioned on two sides of the convex block on the group of oppositely arranged clamping rods and on the outer side of the sliding groove on the supporting rod.
Preferably, the second fastening nut has an outer diameter greater than a width of the slide groove.
Preferably, the concave surfaces of the arc-shaped surfaces of the clamping rods which are oppositely arranged are provided with anti-skid stripes.
The utility model discloses at least, include following beneficial effect:
simple structure, convenient operation, safe and reliable, manufacturing cost is lower, and application scope is wide, through the relative distance of adjusting the clamping bar, can realize the tight quick clamp to the awaiting measuring bellows of different bores, has promoted work efficiency greatly.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
fig. 1 is a schematic view of a structure of a clamp provided by the present invention;
fig. 2 is a top view of the clamp provided by the present invention;
fig. 3 is a schematic view of the clamp explosion structure provided by the present invention.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
A fixture for a plastic corrugated pipe pullout force test as shown in fig. 1-3, comprising:
the support rod comprises a support rod 1, wherein sliding grooves 11 are formed in two ends of the support rod 1, a connecting rod 2 is fixedly welded to the end face of the support rod 1, and a pin hole 21 is formed in the connecting rod 2;
the clamping rods 3 are oppositely arranged, the middle parts of the clamping rods 3 are arc-shaped surfaces 31, the end parts of the clamping rods 3 are planes 32, first circular through holes 33 are formed in the end parts of the clamping rods 3, convex surfaces of the arc-shaped surfaces 31 of the clamping rods are integrally provided with convex blocks 34, and second circular through holes 35 are formed in the convex blocks 34;
a group of oppositely arranged first screw rods 4 respectively penetrate through the first circular through holes 33 on the group of oppositely arranged clamping rods 3, and both ends of the group of oppositely arranged first screw rods 4 are provided with first fastening nuts 41;
and the group of second screws 5 which are arranged oppositely penetrates through the second circular through holes 35 on the group of clamping rods 3 which are arranged oppositely, a part of the group of second screws 5 which are arranged oppositely is positioned in the sliding grooves 11 at the two ends of the supporting rod 1, and the group of second screws 5 which are arranged oppositely are provided with second fastening nuts 51.
The working principle is as follows: assembling the components in the clamp, respectively passing a group of oppositely arranged first screws 4 through first circular through holes 33 on two ends of a group of oppositely arranged clamping rods 3, screwing first fastening nuts 41 on two sides of the group of oppositely arranged first screws 4, then passing a group of oppositely arranged second screws 5 through second circular through holes 35 arranged on a lug 34, screwing second fastening nuts 51 on two ends of the second screws 5, ensuring that the screwed second fastening nuts 51 are tightly attached to the end surfaces of the lug 34, then sleeving the sliding grooves 11 on the support rod 1 into the group of oppositely arranged second screws 5, enabling the end surface at the bottom of the support rod 1 to be in contact with the second fastening nuts 51, screwing a second fastening nut 51 from the top end of the group of oppositely arranged second screws 5, putting a plastic corrugated pipe (not shown) to be tested into the group of oppositely arranged clamping rods 3, and adjusting the relative positions of a set of oppositely arranged clamping rods 3, and screwing the first fastening nut 41 so that the set of oppositely arranged clamping rods 3 clamp the plastic corrugated pipe, then screwing the second fastening nut 51, and connecting the assembled clamp to a device (not shown) for providing tension through a pin hole 21 arranged on the connecting rod 2 to perform a relevant plastic corrugated pipe drawing force test.
In the above technical solution, the sliding grooves 11 are symmetrically distributed on the supporting rod 1. By adopting the mode, the sliding grooves are symmetrically arranged, so that the deviation can be avoided, and the stress of the supporting rod is uniform.
In the above technical solution, the number of the first fastening nuts 41 is four, and the first fastening nuts are respectively located on two sides of a group of oppositely arranged clamping bars 3. By adopting the mode, the first screw rods which are oppositely arranged are enabled to respectively penetrate through the two sides which are oppositely arranged and the two first fastening nuts are arranged on the two sides of the clamping rod, so that the two clamping rods which are independently arranged can be closed, and the arranged threads ensure that the nuts cannot be extruded to generate displacement, and the plastic corrugated pipe placed in the clamping rods is effectively fixed.
In the above technical solution, the number of the second fastening nuts 51 is six, and the second fastening nuts are respectively located on two sides of the protruding block 34 on the group of oppositely arranged clamping bars 3 and on the outer side of the sliding groove 11 on the support bar 1. By adopting the mode, the three second fastening nuts are respectively arranged on the group of oppositely arranged second screw rods and are respectively positioned on the two sides of the convex block on the clamping rod and the outer sides of the sliding grooves on the supporting rods, so that the relative positions of the clamping rod and the supporting rods are limited, the looseness is prevented, the plastic corrugated pipe can be better fixed in the arc-shaped surface of the clamping rod, and the tensile force required by the test is provided through the supporting rods.
In the above technical solution, the outer diameter of the second fastening nut 51 is larger than the width of the sliding chute 11. By adopting the mode, the outer diameter of the second fastening nut is larger than the width of the sliding groove, so that the second fastening nut can be tightly attached to the outside of the sliding groove, and the second fastening nut can be better limited and fixed.
In the above technical solution, the concave surfaces of the arc surfaces 31 of the pair of oppositely arranged clamping bars 3 are provided with the anti-slip stripes 311. By adopting the mode, the anti-slip stripes are arranged on the concave surface of the arc-shaped surface of the clamping rod, so that the contact friction force between the concave surface of the arc-shaped surface of the clamping rod and the plastic corrugated pipe can be increased, the plastic corrugated pipe can be prevented from slipping in the measuring process, and the test failure is avoided.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The application, modification and variation of the clamp for plastic corrugated pipe drawing force test of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. The utility model provides a anchor clamps for experimental drawing force of plastic corrugated pipe which characterized in that includes:
the support rod is provided with sliding grooves at two ends, a connecting rod is fixedly welded on the end face of the support rod, and a pin hole is formed in the connecting rod;
the clamping rods are oppositely arranged, the middle parts of the clamping rods are arc-shaped surfaces, the end parts of the clamping rods are planes, first circular through holes are formed in the end parts of the clamping rods, convex surfaces of the arc-shaped surfaces of the clamping rods are integrally formed with convex blocks, and second circular through holes are formed in the convex blocks;
the group of oppositely arranged first screw rods respectively penetrate through the first circular through holes on the group of oppositely arranged clamping rods, and both ends of the group of oppositely arranged first screw rods are provided with first fastening nuts;
and the group of second screws which are arranged oppositely penetrates through the second round through holes on the group of clamping rods which are arranged oppositely, part of the group of second screws which are arranged oppositely is positioned in the sliding grooves at the two ends of the supporting rod, and the group of second screws which are arranged oppositely are provided with second fastening nuts.
2. The fixture for the plastic corrugated pipe drawing force test as claimed in claim 1, wherein the sliding grooves are symmetrically distributed on the supporting rod.
3. The clamp for the plastic corrugated pipe drawing force test as recited in claim 1, wherein the number of the first fastening nuts is four, and the first fastening nuts are respectively located on two sides of a group of oppositely arranged clamping rods.
4. The clamp for the plastic corrugated pipe drawing force test as claimed in claim 1, wherein the number of the second fastening nuts is six, and the second fastening nuts are respectively located on two sides of the convex block on the group of oppositely arranged clamping rods and on the outer side of the sliding groove on the supporting rod.
5. A clamp for a plastic bellows pullout force test according to claim 1, wherein the second fastening nut has an outer diameter greater than the width of the slide groove.
6. The clamp for the plastic corrugated pipe drawing force test as claimed in claim 1, wherein the concave surfaces of the arc-shaped surfaces of the set of oppositely arranged clamping rods are provided with anti-slip stripes.
CN201921807318.5U 2019-10-25 2019-10-25 Clamp for plastic corrugated pipe drawing force test Active CN210375675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921807318.5U CN210375675U (en) 2019-10-25 2019-10-25 Clamp for plastic corrugated pipe drawing force test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921807318.5U CN210375675U (en) 2019-10-25 2019-10-25 Clamp for plastic corrugated pipe drawing force test

Publications (1)

Publication Number Publication Date
CN210375675U true CN210375675U (en) 2020-04-21

Family

ID=70256791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921807318.5U Active CN210375675U (en) 2019-10-25 2019-10-25 Clamp for plastic corrugated pipe drawing force test

Country Status (1)

Country Link
CN (1) CN210375675U (en)

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Address after: 621000 No. 59 Qinglong Avenue, Fucheng District, Sichuan, Mianyang

Patentee after: Sichuan Zhentong Testing Co.,Ltd.

Address before: 621000 No. 59 Qinglong Avenue, Fucheng District, Sichuan, Mianyang

Patentee before: SICHUAN ZHENTONG HIGHROAD PROJECT EXPERIMENTATION & DETECTION Co.,Ltd.