CN214503114U

CN214503114U - Tensile test machine of connecting fastener

Info

Publication number: CN214503114U
Application number: CN202120685627.0U
Authority: CN
Inventors: 余雪平; 姚娜; 杜炽锋
Original assignee: Dongguan City Construction Engineering Testing Center
Current assignee: Dongguan Construction Engineering Testing Center Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-10-26
Anticipated expiration: 2031-04-02

Abstract

The utility model belongs to the technical field of the tensile test technique and specifically relates to a connect tensile test machine of fastener is related to, and it includes the body, install anchor clamps subassembly and elevating system on the body, still include anchor clamps subassembly down, anchor clamps subassembly includes mounting and connecting piece down, the mounting mountable is fixed on elevating system, the mounting has spacing chamber, be equipped with connecting portion and spacing portion on the connecting piece, the connecting portion of connecting piece are used for installing the work piece, spacing portion of connecting piece be used for with spacing chamber cooperation, work as when spacing chamber is arranged in to spacing portion of connecting piece, the mounting is spacing to the connecting piece on vertical direction. This application has the effect of the comparatively loaded down with trivial details problem of operation when improving the tensile test machine among the correlation technique and pressing from both sides tight work piece.

Description

Tensile test machine of connecting fastener

Technical Field

The utility model belongs to the technical field of tensile test and specifically relates to a tensile test machine of connecting fastener is related to.

Background

A tensile tester, also called a tensile tester, is a mechanical stress tester for testing mechanical properties such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment for various materials, and is an indispensable detection device for material development, physical property tests, teaching research, quality control and the like, which is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, profiled bars and the like.

The conventional tensile testing machine generally comprises a supporting seat, an elevating mechanism, an upper clamp and a lower clamp, wherein the elevating mechanism is mounted on the supporting seat and can be lifted along the height direction of the supporting seat. The upper clamp is arranged above the supporting seat, and the lower clamp is arranged on the lifting mechanism. When the tensile testing machine is used, the connecting fastener is used for combining two workpieces into one workpiece, then the upper end of the combined workpiece is clamped on the upper clamp, the lower end of the workpiece is clamped on the lower clamp, and the tensile testing machine is started to test the tensile combining capacity of the connecting fastener.

With respect to the related art among the above, the inventors consider that the following drawbacks occur: tensile test machine among the correlation technique, last anchor clamps and lower anchor clamps are the chuck structure, need use very big strength to rotate and open the chuck when opening last anchor clamps and lower anchor clamps, and the operation is comparatively loaded down with trivial details, operates inconveniently when tensile test machine among the correlation technique presss from both sides tight work piece promptly.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively loaded down with trivial details problem of operation when tensile test machine among the correlation technique presss from both sides tight work piece, this application provides a tensile test machine of connecting fastener.

The application provides a tensile test machine of connecting fastener adopts following technical scheme:

the utility model provides a tensile test machine of connecting fastener, includes the body, install anchor clamps subassembly and elevating system on the body, still include anchor clamps subassembly down, anchor clamps subassembly includes mounting and connecting piece down, the mounting mountable is fixed on elevating system, the mounting has spacing chamber, be equipped with connecting portion and spacing portion on the connecting piece, the connecting portion of connecting piece are used for installing the work piece, spacing portion of connecting piece is used for cooperating with spacing chamber, when spacing chamber is arranged in to spacing portion of connecting piece, the mounting is spacing to the connecting piece on vertical direction.

By adopting the technical scheme, when the tensile test is required to be carried out on the workpiece, the upper end of the workpiece is clamped through the upper clamp assembly, the lower end of the workpiece is installed on the connecting piece, the limiting part of the connecting piece is arranged in the limiting cavity of the fixing piece, the fixing piece can limit the connecting piece in the vertical direction, and the tensile test machine is started to carry out the tensile test on the workpiece. Through setting up the lower fixture assembly, the lower extreme of work piece need not fix through the mode of pressing from both sides tight to the comparatively loaded down with trivial details problem of operation when the tensile test machine among the correlation technique presss from both sides tight work piece has been improved.

Optionally, a first limiting groove and a second limiting groove are formed in the fixing piece, the first limiting groove is communicated with the second limiting groove, a rod body is fixedly connected between the connecting portion and the limiting portion, when the fixing piece limits the connecting piece, the rod body of the connecting piece is located in the first limiting groove, and the limiting portion of the connecting piece is located in the second limiting groove.

Through adopting above-mentioned technical scheme, when needs use the mounting to carry on spacingly to the connecting piece, only need aim at first spacing groove with the body of rod of connecting piece, aim at the second spacing groove with the spacing portion of connecting piece and pack into, just can accomplish the cooperation installation of connecting piece and mounting, the simple structure simple to operate of connecting piece promptly.

Optionally, the lower clamp assembly further comprises a base and a locking member, the base is fixedly arranged on the lifting mechanism, and the fixing member is detachably connected with the base through the locking member.

Through adopting above-mentioned technical scheme, through setting up the base, when needs are installed the mounting and are fixed on elevating system, only need pass through the retaining member with the mounting and install on the base, just can accomplish the installation and the fixed of fixing base.

Optionally, a placing hole is formed in the base, the placing hole is used for being matched with a fixing piece, and the fixing piece is connected with the placing hole in a sliding mode.

Through adopting above-mentioned technical scheme, when the installation mounting, aim at the mounting and place the hole and put into, when the mounting was placed the hole in, place the hole and can play limiting displacement to the mounting, then be convenient for follow-up carry on spacingly to the mounting through the retaining member.

Optionally, a first limiting hole is formed in the base, the first limiting hole is communicated with the placing hole, a second limiting hole is formed in the fixing piece, and the locking piece can be arranged in the first limiting hole and the second limiting hole in a penetrating mode.

Through adopting above-mentioned technical scheme, when needs use the retaining member to carry on spacingly to the mounting, place the mounting in placing of base downtheholely, rotatory mounting afterwards for the spacing hole of second of mounting aligns with the first spacing hole of base, aims at first spacing hole again and inserts the retaining member, and the retaining member just can pass first spacing hole and the spacing hole of second, and is spacing with the mounting on the base, and the installation of mounting is simple and convenient, the installation of the mounting of being convenient for.

Optionally, there are two first limiting holes, and the two first limiting holes are circumferentially arranged along the outer contour of the base at intervals.

Through adopting above-mentioned technical scheme, through setting up two first spacing holes, during the installation mounting, the spacing hole of second of mounting can be selected to aim at first spacing hole and install fixedly, also can select to aim at another spacing hole of second and install fixedly, increases the simple installation nature of mounting and base.

Optionally, a tight part is arranged on the locking part, and the tight part is used for abutting against the outer wall of the base.

Through adopting above-mentioned technical scheme, through setting up on the retaining member and supporting tight portion, when constantly inserting the retaining member, the tight portion of supporting of retaining member can the butt on the outer wall of base to further inserting of spacing retaining member, when the tight portion butt of supporting of retaining member is on the outer wall of base, operating personnel can learn that the retaining member has installed in place, increases the installation convenience of retaining member.

Optionally, the connecting portion is provided with a matching through hole, and the matching through hole is used for matching with a workpiece.

Through adopting above-mentioned technical scheme, can set up the through-hole with cooperation through-hole looks adaptation on the work piece, when needs install the connecting piece on the work piece, insert the connecting portion of connecting piece in the work piece, rotatory connecting piece makes the cooperation through-hole of connecting portion align with the through-hole on the work piece to use pin or cylindric lock to pass the through-hole on adaptation through-hole and the work piece, just can install the connecting piece on the work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the tensile test machine for the connecting fastener, the lower clamp assembly is arranged on the lifting mechanism to replace a lower clamp in the related technology, so that when a workpiece is installed, the upper end of the workpiece is clamped on the upper clamp in a clamping mode, the lower end of the workpiece is limited only by installing the connecting piece and limiting through the fixing piece, the limiting of the workpiece on the tensile test machine can be completed, the upper end and the lower end of the workpiece are not required to be fixed in a clamping mode, and therefore the problem that the tensile test machine in the related technology is complex to operate when clamping the workpiece is solved;

2. the utility model provides a tensile test machine of connecting fastener, the simple structure convenient to use of lower anchor clamps subassembly is convenient for produce and make lower anchor clamps subassembly.

Drawings

Fig. 1 is a schematic structural view of a tensile testing machine for connecting fasteners according to an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view of the lower clamp assembly of FIG. 1.

Description of reference numerals: 1. a body; 11. a supporting seat; 12. a lifting mechanism; 13. an upper clamp assembly; 2. a lower clamp assembly; 21. a base; 211. placing holes; 212. a first limit hole; 22. a fixing member; 221. a first limit groove; 222. a second limit groove; 223. a limiting cavity; 224. a second limiting hole; 23. a connecting member; 231. a connecting portion; 2311. a mating through hole; 232. a rod body; 233. a limiting part; 24. a locking member; 241. a butting part.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a tensile test machine of connecting fastener. Referring to fig. 1, the tensile test machine of connecting fastener includes body 1 and lower anchor clamps subassembly 2, and body 1 includes supporting seat 11, elevating system 12 and goes up anchor clamps subassembly 13, and elevating system 12 can slide from top to bottom along the direction of height of supporting seat 11, goes up anchor clamps subassembly 13 and installs on supporting seat 11, goes up the upper end to the work piece that anchor clamps subassembly 13 was used for and carries out the centre gripping, and supporting seat 11, elevating system 12 and the concrete structure and the theory of operation of going up anchor clamps subassembly 13 are prior art, no longer describe repeatedly.

Referring to fig. 2 and 3, the lower clamp assembly 2 is adapted to cooperate with the upper clamp assembly 13 to clamp a workpiece. The lower clamp assembly 2 comprises a base 21, a fixing piece 22 and a connecting piece 23, wherein the base 21 is fixedly arranged on the lifting mechanism 12, the fixing piece 22 is arranged on the base 21, and the connecting piece 23 is used for limiting and installing a workpiece on the fixing piece 22. Specifically, base 21 is the cylinder type, base 21 specifically can be fixed on elevating system 12 through the welded mode, in order to install mounting 22, base 21's up end has been seted up and has been placed hole 211, the horizontal cross-section of placing hole 211 is circular with adaptation mounting 22, it is corresponding, mounting 22 is the cylinder type, mounting 22 with place hole 211 sliding connection, when mounting 22 is packed into to needs, aim at mounting 22 placing hole 211 of base 21 and pack into, just can pack mounting 22 onto base 21, base 21 places the inner wall of hole 211 and can play limiting displacement to mounting 22 this moment, make mounting 22 spacing in base 21.

To secure the fixture 22 to the base 21, the lower clamp assembly 2 also includes a retaining member 24. Specifically, the base 21 is provided with a first limiting hole 212 in a penetrating manner, the vertical cross section of the first limiting hole 212 is circular, the axis of the first limiting hole 212 is horizontally arranged, the fixing member 22 is provided with a second limiting hole 224 in a penetrating manner, the vertical cross section of the second limiting hole 224 is circular, the axis of the second limiting hole 224 is horizontally arranged, and the second limiting hole 224 is used for being matched with the first limiting hole 212. After the fixing member 22 is placed in the placing hole 211 of the base 21, the fixing member 22 is rotated to align the second position-limiting hole 224 of the fixing member 22 with the first position-limiting hole 212 of the base 21, the locking member 24 is substantially cylindrical, the locking member 24 can be inserted into the first position-limiting hole 212 and the second position-limiting hole 224, and when the locking member 24 is inserted into the first position-limiting hole 212 and the second position-limiting hole 224, the fixing member 22 is limited in the base 21. It should be noted that, in the present embodiment, there are two first limiting holes 212, and the two first limiting holes 212 are circumferentially arranged along the outer contour of the base 21.

The locking member 24 is provided with a fastening portion 241, the fastening portion 241 is cylindrical, and the diameter of the fastening portion 241 is larger than that of the first limiting hole 212. When the locking member 24 is inserted into the first and second position-limiting

holes

212 and 224, the fastening portion 241 of the locking member 24 abuts against the outer wall of the base 21, so as to limit the further insertion of the locking member 24. Through the arrangement of the abutting portion 241, when the abutting portion 241 abuts against the outer contour of the base 21, an operator can know that the locking member 24 is installed in place, so that the installation convenience of the locking member 24 is improved.

Connecting piece 23 is used for fixing the work piece on mounting 22, specifically, connecting piece 23 includes connecting portion 231, the body of rod 232 and spacing portion 233, and connecting portion 231 is the cylinder body, and body of rod 232 is the cylinder body, and the one end and the connecting portion 231 fixed connection of the body of rod 232, the other end and the spacing portion 233 fixed connection of the body of rod 232, spacing portion 233 are the cylinder body, and spacing portion 233 is used for cooperating mounting 22. In order to cooperate with the connecting member 23, the fixing member 22 is provided with a first limiting groove 221 and a second limiting groove 222, the shape of the first limiting groove 221 is matched with the shape of the rod 232, the shape of the second limiting groove 222 is matched with the shape of the limiting portion 233, the second limiting groove 222 is provided with a limiting cavity 223 therein, when the connecting member 23 is installed on the fixing member 22, the rod 232 of the connecting member 23 is located in the first limiting groove 221, and the limiting portion 233 of the connecting member 23 is located in the limiting cavity 223 of the second limiting groove 222. It should be noted that the groove width of the first limiting groove 221 is smaller than the groove width of the second limiting groove 222, and after the connecting member 23 is installed in the fixing member 22, the limiting portion 233 of the connecting member 23 abuts against the lower end surface of the first limiting groove 221, that is, the fixing member 22 limits the connecting member 23 in the vertical direction, so that the connecting member 23 is not easily separated from the fixing member 22 and falls out.

In order to be mounted on a workpiece, a fitting through hole 2311 is formed through the connecting portion 231 of the connecting member 23, the vertical section of the fitting through hole 2311 is circular, and the axis of the fitting through hole 2311 is horizontally arranged. Correspondingly, a through hole is formed in the workpiece in a penetrating manner, and a pin communicated with the through hole of the workpiece is arranged in the matching through hole 2311 of the connecting part 231 in a penetrating manner. When it is desired to mount the attachment member 23 to a workpiece, the attachment portion 231 is placed into the workpiece, the attachment portion 231 is then rotated so that the mating through-holes 2311 of the attachment portion 231 are aligned with the through-holes of the workpiece, and the pins are inserted to mount the attachment member 23 to the workpiece.

The principle is implemented to the tensile test machine of this application embodiment connection fastener: the fixing member 22 is fixedly mounted on the base 21 through the locking member 24, the connecting portion 231 of the connecting member 23 is mounted on the workpiece through the pin, the limiting portion 233 of the connecting member 23 is mounted in the second limiting groove 222 of the fixing member 22, and finally the upper end of the workpiece is clamped on the upper clamp assembly 13, thereby completing the mounting of the workpiece on the tensile testing machine. The connecting fastener can be tested by starting the tensile testing machine.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tensile test machine of connecting fastener, includes body (1), install anchor clamps subassembly (13) and elevating system (12) on body (1), its characterized in that: still include anchor clamps subassembly (2) down, anchor clamps subassembly (2) are including mounting (22) and connecting piece (23) down, mounting (22) mountable is fixed on elevating system (12), mounting (22) have spacing chamber (223), be equipped with connecting portion (231) and spacing portion (233) on connecting piece (23), connecting portion (231) of connecting piece (23) are used for installing the work piece, spacing portion (233) of connecting piece (23) are used for cooperating with spacing chamber (223), work as when spacing chamber (223) are arranged in to spacing portion (233) of connecting piece (23), mounting (22) are spacing on vertical direction connecting piece (23).

2. The tension tester for connecting fastener of claim 1, wherein: first spacing groove (221) and second spacing groove (222) have been seted up on mounting (22), first spacing groove (221) intercommunication second spacing groove (222), fixedly connected with body of rod (232) between connecting portion (231) and spacing portion (233), when mounting (22) were spacing to connecting piece (23), body of rod (232) of connecting piece (23) were located first spacing groove (221), spacing portion (233) of connecting piece (23) were located second spacing groove (222).

3. The tension tester for connecting fastener of claim 1, wherein: lower clamp subassembly (2) still include base (21) and retaining member (24), base (21) are fixed to be set up on elevating system (12), mounting (22) can be dismantled with base (21) through retaining member (24) and be connected.

4. The tension tester for connecting fastener of claim 3, wherein: a placing hole (211) is formed in the base (21), the placing hole (211) is used for being matched with the fixing piece (22), and the fixing piece (22) is connected with the placing hole (211) in a sliding mode.

5. The tension tester for connecting fastener of claim 4, wherein: the base (21) is provided with a first limiting hole (212), the first limiting hole (212) is communicated with the placing hole (211), the fixing piece (22) is provided with a second limiting hole (224), and the locking piece (24) can be arranged in the first limiting hole (212) and the second limiting hole (224) in a penetrating manner.

6. The tension tester for connecting fastener of claim 5, wherein: the number of the first limiting holes (212) is two, and the two first limiting holes (212) are arranged along the outer contour of the base (21) at intervals in the circumferential direction.

7. The tension tester for connecting fastener of claim 5, wherein: the locking piece (24) is provided with a propping part (241), and the propping part (241) is used for propping against the outer wall of the base (21).

8. The tension tester for connecting fastener of claim 1, wherein: the connecting part (231) is provided with a matching through hole (2311), and the matching through hole (2311) is used for matching with a workpiece.