CN211262964U

CN211262964U - Universal material testing machine

Info

Publication number: CN211262964U
Application number: CN201921338907.3U
Authority: CN
Inventors: 邓应达
Original assignee: Beijing China Railway Chengye Engineering Construction Supervision Co Ltd
Current assignee: Beijing China Railway Chengye Engineering Construction Supervision Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-08-14
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to an universal material testing machine, including the testing machine body, the testing machine body is provided with the anchor clamps that the cooperation was used, the testing machine still is provided with the mount pad of sectional fixture, the spread groove has been seted up to the terminal surface of mount pad, the draw-in groove has been seted up to the lateral wall of spread groove, anchor clamps all include the connecting piece, and the holder of being connected with the connecting piece, the connecting piece matches the spread groove, the standing groove has been seted up to the lateral wall that the holder was kept away from to the connecting piece, the connecting piece is located the lateral wall between standing groove and the holder and has been seted up according to the keyway, set up the intercommunication groove that the keyway and the standing groove were pressed in the intercommunication in the connecting piece, it is provided with the fixture block that matches with the draw-in groove gomphosis. The utility model has the advantages of be convenient for according to the experimental demand quick replacement anchor clamps of difference.

Description

Universal material testing machine

Technical Field

The utility model belongs to the technical field of building quality check out test set and specifically relates to an universal material testing machine is related to.

Background

In the construction process of a building or before the building is applied, the performance of materials of each part of the building is generally required to be detected, at present, a machine which is widely applied to the quality detection in the field of the building is a universal material testing machine, and the universal material testing machine is suitable for performing tests such as tensile tests, compression tests, bending tests, ring stiffness tests and the like on metal materials or non-metal materials.

Chinese patent publication No. CN207280849U, the patent name is a universal material testing machine, a universal material testing machine is disclosed, a universal material testing machine, the on-line screen storage device comprises a base, the stand, the entablature, move chuck and quiet chuck, be connected with the adjusting device who is used for adjusting the axiality on the entablature, install light calibrator transmitting terminal in the adjusting device, it is connected with adjusting device to move the chuck, quiet chuck is connected with the calibration chassis, install light calibrator receiving end in the calibration chassis, the calibration chassis is connected with the base, the light calibrator is used for the axiality calibration, universal material testing machine realizes experimenting the material and be equipped with the setting that is used for calibrating the chuck.

The technical scheme has the following defects: when different tests are carried out on various materials, different clamps are required to be replaced frequently, the movable clamp and the static clamp of the device clamp are connected with the testing machine through threads, the threads are required to rotate for multiple times when the clamps are replaced, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an omnipotent material testing machine convenient to change anchor clamps has the advantage of being convenient for according to the experimental demand quick replacement anchor clamps of difference.

The above object of the present invention can be achieved by the following technical solutions:

a universal material testing machine comprises a testing machine body, wherein the testing machine body is provided with a clamp which is used in a matching way, the testing machine body is also provided with a mounting seat, the end surface of the mounting seat is provided with a connecting groove, the side wall of the connecting groove is provided with a clamping groove, the clamps comprise connecting pieces and clamping pieces connected with the connecting pieces, the connecting pieces are matched with the connecting grooves, the side wall of the connecting piece far away from the clamping piece is provided with a placing groove, the side wall of the connecting piece between the placing groove and the clamping piece is provided with a key pressing groove, a communicating groove communicating the key pressing groove and the placing groove is arranged in the connecting piece, a clamping block matched with the clamping groove in an embedded mode is arranged in the placing groove in a sliding mode, a key is arranged in the key groove in a sliding manner, one end of the fixture block and one end of the key are respectively connected with the connecting plate, one side of the connecting plate, which is far away from the key pressing groove, is connected with the side wall of the communicating groove through an elastic piece.

Through adopting above-mentioned technical scheme, when different types of anchor clamps need to be changed, press the button, because the button passes through the connecting plate with the fixture block and is connected, so in the fixture block can the indentation standing groove, then place into the spread groove with the connecting piece, make the fixture block card advance in the draw-in groove to fixed connection spare and mount pad can be connected anchor clamps and mount pad fixed this moment, and the same reason when taking out, the utility model has the advantages of be convenient for according to different experimental demand quick replacement anchor clamps.

The utility model discloses further set up to: the communicating groove penetrates through the key pressing groove and extends towards the direction of the clamping piece, the connecting plate is located at two sides of the key pressing groove, the length of the connecting plate is equal to that of the two sides of the key pressing groove, and the elastic pieces are uniformly distributed between the communicating groove and the connecting plate.

Through adopting above-mentioned technical scheme, the button is located the centre of connecting plate, when pressing the connecting plate and making fixture block indentation standing groove, the power that the connecting plate received is more balanced, so the button presses the power that the connecting plate descends and use less, also presses the connecting plate more easily.

The utility model discloses further set up to: the end face of the clamping block, which is far away from the communicating groove, inclines downwards from one side close to the key groove to the opposite side.

Through adopting above-mentioned technical scheme, when placing the connecting piece into the spread groove, the terminal surface slope of fixture block, the terminal surface butt of the face and the mount pad of slope, along with the power of impressing the connecting piece into the spread groove, the fixture block can be in the indentation standing groove, the installation connecting piece of being convenient for.

The utility model discloses further set up to: one side of holder is provided with the fixed plate, the through-hole has been seted up on the fixed plate, the terminal surface of connecting piece corresponds the through-hole is provided with the connecting hole, the connecting piece passes through the screw is worn to establish in through-hole, the connecting hole and is fixed with the holder.

Through adopting above-mentioned technical scheme, the connecting piece passes through the screw fixation with the holder, when testing, the holder very easily damages, and the connecting piece is not fragile, if the connecting piece damages then can only change the connecting piece, reaches resources are saved's effect.

The utility model discloses further set up to: the connecting piece with the terminal surface of spread groove butt is the cambered surface, the tank bottom of spread groove with the cambered surface cooperation.

Through adopting above-mentioned technical scheme, the terminal surface of connecting piece and spread groove butt is the cambered surface, and when the erection joint spare, connecting piece and spread groove are difficult for damaging because of the collision of terminal surface and tank bottom corner.

The utility model discloses further set up to: and a friction material layer is arranged on the outer side wall of the connecting piece.

Through adopting above-mentioned technical scheme, soft material layer can increase the frictional force between connecting piece and the spread groove, is testing the messenger, can slow down the pulling force or the pressure of anchor clamps to the fixture block to prevent that the fixture block from damaging.

The utility model discloses further set up to: the side wall of the connecting plate is abutted against the side wall of the communicating groove.

Through adopting above-mentioned technical scheme, the lateral wall of connecting plate and the lateral wall butt of intercommunication groove, the movement track of connecting plate has been restricted to the intercommunication groove to realize the synchronous lift of button and fixture block.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses an anchor clamps include connecting piece, holder, are provided with the button and the fixture block of synchronous lift on the connecting piece, through pressing the button, make fixture block indentation standing groove in, then place into the spread groove with the connecting piece, make the fixture block card advance in the draw-in groove to it is fixed with connecting piece and mount pad, when needing to be changed, only need press the button with anchor clamps take off can, have the effect of quick replacement anchor clamps.

2. Be provided with the fixed plate on the holder, the holder passes through the screw of wearing to establish on the fixed plate and is connected with the terminal surface of connecting piece, when the holder damages, unscrews the screw and pulls down the holder, changes the holder.

Drawings

Fig. 1 is a schematic structural diagram of the universal material testing machine of the present invention.

Fig. 2 is a schematic structural view of the mount.

Fig. 3 is a schematic view of the structure of the jig.

Fig. 4 is a schematic view of a connection structure of the clamp and the mounting seat.

In the figure, 1, a testing machine body; 2. a connecting member; 21. a placement groove; 22. pressing a key slot; 23. a communicating groove; 24. a clamping member; 25. a fixing plate; 26. connecting holes; 27. a through hole; 3. a mounting seat; 31. connecting grooves; 32. a card slot; 4. a clamping block; 41. pressing a key; 42. a connecting plate; 43. an elastic member; 5. a layer of friction material.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an universal material testing machine, including testing machine body 1, two mount pads 3 of 1 fixedly connected with of testing machine body are connected with anchor clamps on mount pad 3.

Referring to fig. 2, the mounting base 3 is provided with a coupling groove 31.

Referring to fig. 2 and 3, the clamp includes a connecting member 2 and a clamping member 24, wherein the end face of one end of the connecting member 2 is an arc face, the bottom of the connecting groove 31 is an arc face matched with the arc face of the connecting member 2 (refer to fig. 4), the connecting member 2 is placed in the connecting groove 31, and when the connecting member 2 is placed in the connecting groove 31, the connecting member 2 can be prevented from being damaged due to the fact that the end face of the connecting member 2 is the arc face, and the corner on the connecting member 2 collides with the bottom of the connecting groove.

Referring to fig. 3 and 4, a friction material layer 5 is adhered to the outer side wall of the connecting member 2, and in the embodiment, the friction material layer 5 is a rubber layer, so that the friction force between the connecting member 2 and the side wall of the connecting groove 31 can be increased by rubber.

The clamping piece 24 is welded with a fixing plate 25, the fixing plate 25 is provided with a plurality of through holes 27, the end face of the connecting piece 2 is provided with a connecting hole 26 corresponding to the through hole 27, the inner side wall of the connecting hole 26 is provided with threads, and the clamping piece 24 and the connecting piece 2 are fixed through screws penetrating through the through hole 27 and the connecting hole 26. Because when the universal material testing machine is used for testing, the possibility that the clamping part 24 is easy to damage is higher than that of the connecting part 2, the connecting part 2 and the clamping part 24 are fixed through screws, when the clamping part 24 is damaged, the screws are disassembled, the clamping part 24 is replaced, and the effect of saving resources is achieved.

The side wall of one end of the connecting piece 2 far away from the clamping piece 24 is symmetrically provided with a placing groove 21 and a key pressing groove 22, the placing groove 21 and the key pressing groove 22 are not overlapped, the key pressing groove 22 is positioned between the placing groove 21 and the clamping piece 24 connected with the connecting piece 2, the connecting piece 2 is internally provided with a communicating groove 23 communicating the bottom of the key pressing groove 22 with the bottom of the placing groove 21, one end of the communicating groove 23 close to the key pressing groove 22 extends towards the direction of the clamping piece 24 connected with the connecting piece 2, the communicating groove 23 takes the key pressing groove 22 as a middle point, the length of the communicating groove 23 at two sides of the key pressing groove 22 is equal, a key 41 is arranged in the key pressing groove 22 in a sliding mode, one end of the key 41 close to the bottom of the key pressing groove 22 is connected with a connecting plate 42, the key 41 is connected with the geometric center of the end face of the connecting plate 42, the side of the connecting plate 42 away from the latch 4 is connected to the side wall of the communicating groove 23 through an elastic member 43, in this embodiment, the elastic member 43 is uniformly distributed along the two sides of the key groove 22, and the elastic member 43 is a spring.

The side wall of the connecting plate 42 is abutted to the side wall of the communicating groove 23, the communicating groove 23 limits the sliding track of the connecting plate 42, and because the key 41 is located in the middle of the connecting plate 42, when the key 41 is pressed, the force of the key 41 to the connecting plate 42 acts on the center of the connecting plate 42, so that the stress of the connecting plate 42 is uniform, and the connecting plate 42 is convenient to lift.

The end face, far away from the bottom of the placing groove 21, of the fixture block 4 is an inclined face, the side edge, at one side of the clamping piece 24 connected by the connecting piece 2 where the fixture block is located, inclines downwards towards the opposite side edge, the side wall of the connecting groove 31 is provided with a clamping groove 32 capable of containing the fixture block 4, and the position of the clamping groove 32 corresponds to the fixture block 4.

The implementation principle of the embodiment is as follows: when needing to change the anchor clamps on the testing machine body 1, press the button 41 of 2 lateral walls of connecting piece, connecting plate 42 inwards slides during button 41, drives 4 roll-off draw-in grooves of fixture block 32, during the indentation standing groove 21, can take out anchor clamps this moment, will need again with the connecting piece 2 of changing inject the spread groove 31 in, during fixture block 4 blocks into draw-in groove 32, fixed connecting piece 2 and fixing base.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a universal material testing machine, includes testing machine body (1), testing machine body (1) is provided with the anchor clamps that the cooperation was used, its characterized in that: the testing machine body (1) is further provided with a mounting seat (3), the end face of the mounting seat (3) is provided with a connecting groove (31), the side wall of the connecting groove (31) is provided with a clamping groove (32), each clamp comprises a connecting piece (2) and a clamping piece (24) connected with the connecting piece (2), the connecting pieces (2) are matched with the connecting groove (31), the side wall, far away from the clamping pieces (24), of each connecting piece (2) is provided with a placing groove (21), the side wall, located between the placing groove (21) and the clamping pieces (24), of each connecting piece (2) is provided with a key pressing groove (22), a communication groove (23) communicated with the key pressing groove (22) and the placing groove (21) is formed in the connecting pieces (2), a clamping block (4) matched with the clamping groove (32) in an embedded mode is arranged in the placing groove (21) in a sliding mode, and a key, one end of the clamping block (4) and one end of the key (41) are respectively connected with a connecting plate (42), and one side, far away from the key pressing groove (22), of the connecting plate (42) is connected with the side wall of the communicating groove (23) through an elastic piece (43).

2. The universal material testing machine according to claim 1, wherein: the communicating groove (23) penetrates through the key groove (22) and extends towards the clamping piece (24), the connecting plates (42) are located on two sides of the key groove (22) and are equal in length, and the elastic pieces (43) are uniformly distributed between the communicating groove (23) and the connecting plates (42).

3. The universal material testing machine according to claim 1, wherein: the end face of the fixture block (4) far away from the communication groove (23) is inclined downwards from one side close to the key pressing groove (22) to the opposite other side.

4. The universal material testing machine according to claim 1, wherein: one side of holder (24) is provided with fixed plate (25), through-hole (27) have been seted up on fixed plate (25), the terminal surface of connecting piece (2) corresponds through-hole (27) are provided with connecting hole (26), connecting piece (2) pass through wear to establish the screw in through-hole (27), connecting hole (26) and are fixed with holder (24).

5. The universal material testing machine according to claim 1, wherein: the connecting piece (2) with the terminal surface of spread groove (31) butt is the cambered surface, the tank bottom of spread groove (31) with the cambered surface cooperation.

6. The universal material testing machine according to claim 1, wherein: and a friction material layer (5) is arranged on the outer side wall of the connecting piece (2).

7. The universal material testing machine according to claim 1, wherein: the side wall of the connecting plate (42) is abutted against the side wall of the communicating groove (23).