CN204422329U - Compression clamp on mechanical type tensile test machine - Google Patents

Compression clamp on mechanical type tensile test machine Download PDF

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Publication number
CN204422329U
CN204422329U CN201520066089.1U CN201520066089U CN204422329U CN 204422329 U CN204422329 U CN 204422329U CN 201520066089 U CN201520066089 U CN 201520066089U CN 204422329 U CN204422329 U CN 204422329U
Authority
CN
China
Prior art keywords
flanked ring
straight
mechanical type
lower straight
union joint
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
Application number
CN201520066089.1U
Other languages
Chinese (zh)
Inventor
王鸿丽
陈雄
许进升
郑健
周长省
韩龙
贾登
余家泉
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201520066089.1U priority Critical patent/CN204422329U/en
Application granted granted Critical
Publication of CN204422329U publication Critical patent/CN204422329U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses the compression clamp on a kind of mechanical type tensile test machine, there is opening upper straight-flanked ring one end, there is step surface at opening two ends, upper straight-flanked ring and lower straight-flanked ring vertical nest, one end that upper straight-flanked ring is relative with opening is provided with the spherical structure caved inward, the mating spherical surfaces that adjustment bulb and upper straight-flanked ring cave inward is arranged, its one side matches with the spherical structure on upper straight-flanked ring, another side is plane, seaming chuck is fixed on lower straight-flanked ring one end relative with adjustment bulb, and it is corresponding with the position of adjustment bulb, lower union joint is fixedly installed on lower straight-flanked ring one end relative with seaming chuck, upper binding head is arranged on the openend of straight-flanked ring, the two ends of upper binding head are provided with step surface, be connected with the step surface secure fit of upper straight-flanked ring opening part, upper binding head and lower union joint have the pin-and-hole coordinated with testing machine, the utility model can complete compression creep test on existing mechanical type tensile creep endurance testing machine.

Description

Compression clamp on mechanical type tensile test machine
Technical field
The utility model belongs to mechanics of materials studying technological domain, the compression clamp particularly on a kind of mechanical type tensile test machine.
Background technology
Creep test is one of important method of reflection solid material Viscous Elastic Mechanics, and mechanical type creep test device utilizes the gravity of counterweight as creep test loaded load, thus realize the permanent load required by creep test.Although mechanical type creep test device technology is full-fledged, its creep loading scope is subject to the restriction of the action direction of power, can only carry out tensile test.In the Viscous Elastic Mechanics research of solid material, a lot of material is had to need to carry out compression creep test because of the requirement of himself reasons in structure or mechanical property, the test that document " A thermo-viscoelastic-viscoplastic-viscodamage constitutive model for asphaltic materials " Asphalt Mixture carries out is exactly compression creep test, this just requires to complete compression creep test on existing mechanical type tensile creep endurance testing machine, so just need a kind of fixture that can realize compression creep.
Summary of the invention
The purpose of this utility model is to provide a kind of compression clamp that can complete on existing mechanical type tensile creep endurance testing machine on the mechanical type tensile test machine of compression creep test.
The technical solution realizing the utility model object is:
A compression clamp on mechanical type tensile test machine, comprises upper binding head, upper straight-flanked ring, seaming chuck, adjustment bulb, lower union joint and lower straight-flanked ring, there is opening upper straight-flanked ring one end, there is step surface at opening two ends, upper straight-flanked ring and lower straight-flanked ring vertical nest, one end that upper straight-flanked ring is relative with opening is provided with the spherical structure caved inward, the mating spherical surfaces that adjustment bulb and upper straight-flanked ring cave inward is arranged, its one side matches with the spherical structure on upper straight-flanked ring, another side is plane, seaming chuck is fixed on lower straight-flanked ring one end relative with adjustment bulb, and it is corresponding with the position of adjustment bulb, lower union joint is fixedly installed on lower straight-flanked ring one end relative with seaming chuck, upper binding head is arranged on the openend of straight-flanked ring, the two ends of upper binding head are provided with step surface, be connected with the step surface secure fit of upper straight-flanked ring opening part, upper binding head and lower union joint have the pin-and-hole coordinated with testing machine.
The utility model compared with prior art, its remarkable advantage:
(1) the utility model can realize the requirement completing compression creep on mechanical type tensile test machine, complicated structure is not adopted to realize testing requirements, but the action direction being nested together two straight-flanked rings to change power realizes compression test, structure is simple, economical and practical.
(2) all parts in the utility model are all obtained by common machine processing, and machining accuracy is higher, can the degree of accuracy of assurance device, convenient processing and manufacture and cost-effective while the reliability of this device that also increases.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the compression clamp on the utility model mechanical type tensile test machine.
Fig. 2 is the working state schematic representation of the compression clamp on the utility model mechanical type tensile test machine.
Embodiment
Composition graphs 1 and Fig. 2:
Compression clamp on a kind of mechanical type tensile test of the utility model machine, comprises upper binding head 1, upper straight-flanked ring 2, seaming chuck 4, adjustment bulb 6, lower union joint 7 and lower straight-flanked ring 8, there is opening upper straight-flanked ring 2 one end, there is step surface at opening two ends, upper straight-flanked ring 2 and lower straight-flanked ring 8 vertical nest, one end that upper straight-flanked ring 2 is relative with opening is provided with the spherical structure caved inward, the mating spherical surfaces that adjustment bulb 6 and upper straight-flanked ring 2 cave inward is arranged, its one side matches with the spherical structure on upper straight-flanked ring 2, another side is plane, seaming chuck 4 is fixed on lower straight-flanked ring 8 one end relative with adjustment bulb 6, and it is corresponding with the position of adjustment bulb 6, lower union joint 7 is fixedly installed on lower straight-flanked ring 8 one end relative with seaming chuck 4, upper binding head 1 is arranged on the openend of straight-flanked ring 2, the two ends of upper binding head 1 are provided with step surface, be connected with the step surface secure fit of upper straight-flanked ring 2 opening part, upper binding head 1 and lower union joint 7 have the pin-and-hole coordinated with testing machine.
Lower straight-flanked ring 8 with between seaming chuck 4 for cylinder coordinates, and can relatively rotating along cylinder.
The square hole that lower straight-flanked ring 8 one end has, seaming chuck 4 passes lower straight-flanked ring 8 by the rectangular parallelepiped column coordinated with square hole, and rectangular parallelepiped column passes one end of lower straight-flanked ring 8 for being provided with externally threaded cylinder, and is connected by nut 3.
The perforate on the direction relative with the direction arranging seaming chuck 4 of lower straight-flanked ring 8, the outer face that lower straight-flanked ring 8 is stretched out in perforate is passed in one end that lower union joint 7 arranges pin-and-hole, and the block by lower union joint 7 other end on inner face is spacing and fixing.
The block of lower union joint 7 with between lower straight-flanked ring 8 for cylinder coordinates, and to relatively rotate along cylinder, and rotation direction is vertical with the rotation direction of cylinder between seaming chuck 4 with lower straight-flanked ring 8.
The cylinder two ends that lower straight-flanked ring 8 matches with block are provided with boss, and block and boss all have unthreaded hole, by lower union joint 7 and lower straight-flanked ring 8 being connected through the bolt 9 of unthreaded hole on block and two ends boss.
The maximum outside diameter of bolt 9 is less than the internal diameter of unthreaded hole on block and boss.
Composition graphs 1 and Fig. 2:
Embodiment:
A compression clamp on mechanical type tensile test machine, comprises upper binding head 1, upper straight-flanked ring 2, seaming chuck 4, adjustment bulb 6, lower union joint 7 and lower straight-flanked ring 8, there is opening upper straight-flanked ring 2 one end, there is step surface at opening two ends, upper straight-flanked ring 2 and lower straight-flanked ring 8 vertical nest, one end that upper straight-flanked ring 2 is relative with opening is provided with the spherical structure caved inward, the mating spherical surfaces that adjustment bulb 6 and upper straight-flanked ring 2 cave inward is arranged, its one side matches with the spherical structure on upper straight-flanked ring 2, another side is plane, lower straight-flanked ring 8 with between seaming chuck 4 for cylinder coordinates, and can relatively rotating along cylinder, the square hole that lower straight-flanked ring 8 one end has, seaming chuck 4 passes lower straight-flanked ring 8 by the rectangular parallelepiped column coordinated with square hole, rectangular parallelepiped column passes one end of lower straight-flanked ring 8 for being provided with externally threaded cylinder, and be connected by nut 3, and seaming chuck 4 is corresponding with the position of adjustment bulb 6, the perforate on the direction relative with the direction arranging seaming chuck 4 of lower straight-flanked ring 8, the inner face that lower straight-flanked ring 8 is stretched out in perforate is passed in one end that lower union joint 7 arranges pin-and-hole, block by lower union joint 7 other end on inner face is spacing and fixing, the block of lower union joint 7 with between lower straight-flanked ring 8 for cylinder coordinates, and can relatively rotate along cylinder, and rotation direction is vertical with the rotation direction of cylinder between seaming chuck 4 with lower straight-flanked ring 8, the cylinder two ends that lower straight-flanked ring 8 matches with block are provided with boss, block and boss all have unthreaded hole, by lower union joint 7 and lower straight-flanked ring 8 being connected through the bolt 9 of unthreaded hole on block and two ends boss, the maximum outside diameter of bolt 9 is less than the internal diameter of unthreaded hole on block and boss, upper binding head 1 is arranged on the openend of straight-flanked ring 2, and the two ends of upper binding head 1 are provided with step surface, is connected with the step surface secure fit of upper straight-flanked ring 2 opening part, upper binding head 1 and lower union joint 7 have the pin-and-hole coordinated with testing machine.
Wherein, rectangular parallelepiped column has swing surplus in square hole, swing direction and lower straight-flanked ring 8 with coordinate the arc direction of cylinder tangent between seaming chuck 4, lower straight-flanked ring 8 can be made to slide with the arc direction of seaming chuck 4 along cylinder, to adjust the levelness of seaming chuck 4, and can carry out fastening through lower straight-flanked ring 8 pairs of rectangular parallelepiped columns by hold-down bolt 5.
Lower union joint 7 has swing surplus through the part of lower straight-flanked ring 8 perforate with perforate, the direction swung and the block of lower union joint 7 coordinate the arc direction of cylinder tangent with between lower straight-flanked ring 8, and the maximum outside diameter of bolt 9 is less than the internal diameter of unthreaded hole on block and boss, therefore, lower straight-flanked ring 8 along the axial rotation of unthreaded hole, can adjust the levelness of seaming chuck 4.
Its principle of work:
Composition graphs 2:
Fixture is arranged on testing machine by connector 1, mounting and adjusting bulb 6 on upper straight-flanked ring 2, lower straight-flanked ring 8 installs pressure head 4, tighten with nut 3, adjust the levelness of seaming chuck 4, fix through the threaded hole on lower straight-flanked ring 8 with hold-down bolt 5, with bolt 9, lower straight-flanked ring 8 is connected with lower union joint 7, lower union joint 7 is arranged on the bottom of testing machine, the front and rear angles of the lower straight-flanked ring 8 of adjustment makes the levelness on another direction of seaming chuck 4, tight a bolt 9, test specimen is placed on test specimen district, just can complete compression creep test.It should be noted that the boss contacting cylinder two ends at lower straight-flanked ring 8 will be thinned to and can be pressed on lower union joint 7 by bolt 9, such bolt just can fix lower straight-flanked ring 8, make its in the course of the work can not before and after rotate.

Claims (7)

1. the compression clamp on mechanical type tensile test machine, is characterized in that: comprise upper binding head (1), upper straight-flanked ring (2), seaming chuck (4), adjustment bulb (6), lower union joint (7) and lower straight-flanked ring (8), there is opening upper straight-flanked ring (2) one end, there is step surface at opening two ends, upper straight-flanked ring (2) and lower straight-flanked ring (8) vertical nest, one end that upper straight-flanked ring (2) is relative with opening is provided with the spherical structure caved inward, the mating spherical surfaces that adjustment bulb (6) and upper straight-flanked ring (2) cave inward is arranged, its one side matches with the spherical structure on upper straight-flanked ring (2), another side is plane, seaming chuck (4) is fixed on lower straight-flanked ring (8) one end relative with adjustment bulb (6), and it is corresponding with the position of adjustment bulb (6), lower union joint (7) is fixedly installed on lower straight-flanked ring (8) one end relative with seaming chuck (4), upper binding head (1) is arranged on the openend of straight-flanked ring (2), the two ends of upper binding head (1) are provided with step surface, be connected with the step surface secure fit of upper straight-flanked ring (2) opening part, upper binding head (1) and lower union joint (7) have the pin-and-hole coordinated with testing machine.
2. the compression clamp on mechanical type tensile test machine according to claim 1, is characterized in that: described lower straight-flanked ring (8) with between seaming chuck (4) for cylinder coordinates, and can relatively rotating along cylinder.
3. the compression clamp on mechanical type tensile test machine according to claim 2, it is characterized in that: the square hole that described lower straight-flanked ring (8) one end has, seaming chuck (4) passes lower straight-flanked ring (8) by the rectangular parallelepiped column coordinated with square hole, rectangular parallelepiped column passes one end of lower straight-flanked ring (8) for being provided with externally threaded cylinder, and is connected by nut (3).
4. the compression clamp on the mechanical type tensile test machine according to claim 1 or 2 or 3, it is characterized in that: the perforate on the direction relative with the direction arranging seaming chuck (4) of described lower straight-flanked ring (8), the outer face that lower straight-flanked ring (8) are stretched out in perforate is passed in one end that lower union joint (7) arranges pin-and-hole, and the block by lower union joint (7) other end on inner face is spacing and fixing.
5. the compression clamp on mechanical type tensile test machine according to claim 4, it is characterized in that: the block of described lower union joint (7) with between lower straight-flanked ring (8) for cylinder coordinates, and can relatively rotate along cylinder, and rotation direction is vertical with the rotation direction of cylinder between seaming chuck (4) with lower straight-flanked ring (8).
6. the compression clamp on mechanical type tensile test machine according to claim 5, it is characterized in that: the cylinder two ends that described lower straight-flanked ring (8) matches with block are provided with boss, block and boss all have unthreaded hole, by lower union joint (7) and lower straight-flanked ring (8) being connected through the bolt (9) of unthreaded hole on block and two ends boss.
7. the compression clamp on mechanical type tensile test machine according to claim 6, is characterized in that: the maximum outside diameter of described bolt (9) is less than the internal diameter of unthreaded hole on block and boss.
CN201520066089.1U 2015-01-29 2015-01-29 Compression clamp on mechanical type tensile test machine Expired - Fee Related CN204422329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520066089.1U CN204422329U (en) 2015-01-29 2015-01-29 Compression clamp on mechanical type tensile test machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520066089.1U CN204422329U (en) 2015-01-29 2015-01-29 Compression clamp on mechanical type tensile test machine

Publications (1)

Publication Number Publication Date
CN204422329U true CN204422329U (en) 2015-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520066089.1U Expired - Fee Related CN204422329U (en) 2015-01-29 2015-01-29 Compression clamp on mechanical type tensile test machine

Country Status (1)

Country Link
CN (1) CN204422329U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104634657A (en) * 2015-01-29 2015-05-20 南京理工大学 Compression fixture on mechanical tensile creep tester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104634657A (en) * 2015-01-29 2015-05-20 南京理工大学 Compression fixture on mechanical tensile creep tester

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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: 20150624

Termination date: 20180129

CF01 Termination of patent right due to non-payment of annual fee