CN218180166U

CN218180166U - Torsion test fixture

Info

Publication number: CN218180166U
Application number: CN202222182646.9U
Authority: CN
Inventors: 卢寅崟
Original assignee: Suzhou Hexin New Material Technology Co ltd
Current assignee: Suzhou Hexin New Material Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-30
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a torsion test fixture relates to torsion test fixture field, and its technical scheme main points are: the fixture comprises a substrate, fixture and torsion accredited testing organization of setting on the base plate, fixture includes the centre gripping base, the centre gripping mandrel that is used for the centre gripping product that sets up on the centre gripping base and be used for fixing the briquetting on the centre gripping base with the centre gripping mandrel, torsion accredited testing organization includes the torsion support, rotate sleeve and the torsion test bar of clearance fit in the sleeve of connecting on the torsion support, the outside extension of fixture's one end is kept away from to the sleeve has the extension, be provided with on the extension and lock the first lock nut on the sleeve with the torsion test bar locking, the one end that the torsion test bar is close to fixture is provided with the product bayonet socket, the other end of torsion test bar is provided with the torsion input head. The utility model has the advantages of the product clamping is convenient, and torque force testing accuracy is high, the suitability is good.

Description

Torsion test fixture

Technical Field

The utility model relates to a torsion test fixture field, more specifically says that it relates to a torsion test fixture.

Background

The torque tester, also known as torquemeter, torsion meter, torquemeter, is a precision instrument for detecting, testing and calibrating various moments. Current torque tester mainly includes the bottom plate, fix torque tester and the clamping device of sliding connection on the bottom plate, when being connected product and torque tester, need promote clamping device and be close to torque tester, set up clamping device into slidable formula, in operation, clamping device's stability is hardly guaranteed, it is lower to lead to torque test precision, and current clamping device is three-jaw chuck usually, can't realize the centre gripping of small product, and three-jaw chuck structure is complicated, the cost is higher, be not suitable for the demand of low-lying this production.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a torque force test fixture has the advantage that the product clamping is convenient, and torque force test precision is high, the suitability is good.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides a torque force test fixture, includes the base plate, sets up fixture and torque force test mechanism on the base plate, fixture includes the centre gripping base, sets up the centre gripping mandrel that is used for the centre gripping product on the centre gripping base and is used for fixing the briquetting on the centre gripping base with the centre gripping mandrel, torque force test mechanism includes torque force support, rotates sleeve and the torque force test rod of clearance fit in the sleeve of connecting on torque force support, the one end that fixture was kept away from to the sleeve outwards extends there is the extension, be provided with on the extension and lock the first lock nut on the sleeve with torque force test rod locking, torque force test rod and the coaxial setting of centre gripping mandrel, the one end that torque force test rod is close to fixture is provided with the product bayonet socket, the other end of torque force test rod is provided with the torque force input head.

In one embodiment, a longitudinal column is fixed on the base plate, the torsion support is longitudinally and slidably connected to the longitudinal column, and a second locking nut capable of locking and fixing the torsion support on the longitudinal column is arranged on the torsion support.

In one embodiment, the torque support is provided with a connecting groove, and the sleeve is rotatably connected in the connecting groove through a bearing.

In one embodiment, the clamping base and the pressing block are respectively provided with an arc-shaped groove at opposite positions, the clamping core die is installed between the two arc-shaped grooves, and the pressing block is connected with the clamping base through a bolt.

In one embodiment, the clamping mandrel comprises a first half die and a second half die, the first half die and the second half die are respectively provided with a first clamping groove and a second clamping groove at opposite positions, and the first clamping groove and the second clamping groove are matched to form a product clamping groove.

To sum up, the utility model discloses following beneficial effect has: when the clamping mechanism is used, one end of a product to be tested is clamped in the clamping core mold, the clamping core mold is installed on the clamping base, the clamping core mold is fixed on the clamping base through the pressing block, the torsion test rod is moved along the axis direction, the product bayonet of the torsion test rod is clamped into the other end of the product, the first locking nut is adjusted, relative movement and relative rotation between the torsion test rod and the sleeve are avoided, and finally the external torsion tester is connected with the torsion input head of the torsion test rod.

Drawings

Fig. 1 is a schematic structural diagram of a torque testing fixture according to an embodiment of the present application.

In the figure: 1. a substrate; 2. a clamping mechanism; 21. a clamping base; 22. briquetting; 23. clamping a core mold; 3. a torsion testing mechanism; 31. a torque support; 32. a longitudinal column; 33. a second lock nut; 34. a bearing; 35. a torsion test bar; 351. a torque input head; 352. a product bayonet; 36. a sleeve; 37. a first lock nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present application provides a torque testing fixture, which includes a substrate 1, a clamping mechanism 2 disposed on the substrate 1, and a torque testing mechanism 3. The clamping mechanism 2 comprises a clamping base 21, a clamping core mould 23 arranged on the clamping base 21 and used for clamping a product, and a pressing block 22 used for fixing the clamping core mould 23 on the clamping base 21. The torsion testing mechanism 3 comprises a torsion support 31, a sleeve 36 rotatably connected to the torsion support 31 and a torsion testing rod 35 in the sleeve 36 in a clearance fit manner, an extending portion extends outwards from one end of the sleeve 36 far away from the clamping mechanism 2, a first locking nut 37 capable of locking the torsion testing rod 35 on the sleeve 36 is arranged on the extending portion, the torsion testing rod 35 and the clamping core mold 23 are coaxially arranged, a product bayonet 352 is arranged at one end of the torsion testing rod 35 close to the clamping mechanism 2, a torsion input head 351 is arranged at the other end of the torsion testing rod 35, and the torsion input head 351 can be a hexagonal connector.

During the use, earlier with the one end clamping of the product that awaits measuring in centre gripping mandrel 23, install centre gripping mandrel 23 on centre gripping base 21 subsequently, and fix centre gripping mandrel 23 on centre gripping base 21 through briquetting 22, remove torsion test rod 35 along the axis direction subsequently, make the other end of torsion test rod 35's product bayonet 352 card income product, adjust first lock nut 37 subsequently, make no relative movement and relative rotation between torsion test rod 35 and the sleeve 36, be connected outside torsion tester and torsion input head 351 of torsion test rod 35 at last.

Above-mentioned mode has simple structure compactness, the convenient advantage of product clamping, and the removal through torsion test rod 35 is flexible to be close to the product, for traditional mode that removes fixture 2, when carrying out the torsion test, fixture 2 is difficult to take place to rock, thereby has improved the accuracy of torsion test, simultaneously through the setting of centre gripping mandrel 23, can realize the centre gripping of small product, and can set up different centre gripping mandrels 23 according to the product of difference, better suitability has.

On the basis, a longitudinal column 32 is fixed on the base plate 1, the torsion support 31 is longitudinally connected to the longitudinal column 32 in a sliding manner, and a second locking nut 33 capable of locking and fixing the torsion support 31 on the longitudinal column 32 is arranged on the torsion support 31.

The height of the torsion test bar 35 can be adjusted conveniently by the arrangement of the longitudinal column 32 and the second lock nut 33, so that the torsion test bar can keep a good concentricity with the clamping core die 23.

On the basis, the torque support 31 is provided with a connecting groove, and the sleeve 36 is rotatably connected in the connecting groove through a bearing 34.

Specifically, the outer circumferential wall of the bearing 34 is in interference fit with the connecting groove, and the sleeve 36 is in interference fit with the inner circumferential wall of the bearing 34.

On the basis, arc-shaped grooves are respectively formed in the opposite positions of the clamping base 21 and the pressing block 22, the clamping core mold 23 is installed between the two arc-shaped grooves, and the pressing block 22 is connected with the clamping base 21 through bolts.

In particular, the distance between the two arc-shaped grooves is smaller than the diameter of the clamping mandrel 23, so that a better clamping force is provided between the pressing block 22 and the clamping base 21.

On the basis, the clamping core mold 23 comprises a first half mold and a second half mold, wherein a first clamping groove and a second clamping groove are respectively arranged at the opposite positions of the first half mold and the second half mold, and the first clamping groove and the second clamping groove are matched to form a product clamping groove.

It should be noted that the first and second slots can be configured specifically according to the shape of the product.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides a torsion test fixture which characterized in that: including base plate (1), fixture (2) and torsion accredited testing organization (3) of setting on base plate (1), fixture (2) are including centre gripping base (21), set up centre gripping mandrel (23) that are used for the centre gripping product on centre gripping base (21) and be used for fixing briquetting (22) on centre gripping base (21) centre gripping mandrel (23), torsion accredited testing organization (3) are including torsion support (31), rotate sleeve (36) and the torsion test rod (35) of clearance fit in sleeve (36) of connecting on torsion support (31), the one end that fixture (2) was kept away from in sleeve (36) outwards extends has the extension, be provided with on the extension and lock first lock nut (37) that can lock torsion test rod (35) on sleeve (36), torsion test rod (35) and centre gripping mandrel (23) coaxial setting, the one end that torsion test rod (35) are close to fixture (2) is provided with product bayonet socket (352), the other end of torsion test rod (35) is provided with torsion input head (351).

2. The torsion testing jig of claim 1, wherein: the base plate (1) is fixed with a longitudinal column (32), the torsion support (31) is longitudinally connected to the longitudinal column (32) in a sliding mode, and a second locking nut (33) capable of locking and fixing the torsion support (31) on the longitudinal column (32) is arranged on the torsion support (31).

3. The torsion testing jig of claim 2, wherein: the torque support (31) is provided with a connecting groove, and the sleeve (36) is rotatably connected in the connecting groove through a bearing (34).

4. The torsion testing jig of claim 1, wherein: the clamping device is characterized in that arc-shaped grooves are respectively formed in the opposite positions of the clamping base (21) and the pressing block (22), the clamping core mold (23) is installed between the two arc-shaped grooves, and the pressing block (22) is connected with the clamping base (21) through bolts.

5. The torsion testing jig of claim 4, wherein: the clamping core mold (23) comprises a first half mold and a second half mold, wherein a first clamping groove and a second clamping groove are respectively arranged at the opposite positions of the first half mold and the second half mold, and the first clamping groove and the second clamping groove are matched to form a product clamping groove.