CN219265966U

CN219265966U - Electronic universal testing machine with stable clamping

Info

Publication number: CN219265966U
Application number: CN202223519131.XU
Authority: CN
Inventors: 张松; 潘程; 姚帅
Original assignee: Xuzhou Huaihai Construct Engineering Examination Research Institute Co ltd
Current assignee: Xuzhou Huaihai Construct Engineering Examination Research Institute Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-27
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses an electronic universal testing machine with stable clamping, which relates to the technical field of electronic universal testing machines and comprises a machine body with a detection port arranged inside, wherein two supporting pieces are arranged in the detection port, one side of each supporting piece is provided with a positioning frame, one side of each positioning frame is provided with a positioning groove, a pressure sensing patch and a positioning plate are arranged in each positioning groove, a sliding frame, a supporting column and a driving assembly are arranged in each positioning frame, two ends of each supporting column are respectively connected with the sliding frame and the positioning plate, sliding holes are formed in the sliding frame, the driving assembly is connected with the sliding holes, and each driving assembly comprises a rotating shaft, a rotating disc, a driving motor and a transmission shaft. According to the utility model, the problem that the existing electronic universal testing machine cannot stably clamp the building material to be tested due to the fact that most of the existing electronic universal testing machine needs cylinder driving is solved, and meanwhile, the problem that the existing electronic universal testing machine does not have material distortion performance detection is solved.

Description

Electronic universal testing machine with stable clamping

Technical Field

The utility model relates to the technical field of electronic universal testing machines, in particular to an electronic universal testing machine with stable clamping.

Background

Test machine hosts are commonly used for performance testing of building materials. The computer system of the electronic universal testing machine controls the servo motor to rotate through the controller by the speed regulating system, and drives the movable cross beam to ascend and descend through the precise screw pair after the speed is reduced by the speed reducing system, so that various mechanical property tests of stretching, compressing, bending, and the like of the sample are completed.

However, most of the positioning structures on the existing electronic universal testing machine are clamped through the air cylinder, but the working pressure of the air cylinder is generally 0.4-0.6MPa, so that the output force and the moment are not large, the transmission efficiency is low, and the accurate control is difficult due to the compressibility of air, so that stable clamping of the building material to be detected cannot be ensured, and the measuring effect is affected.

For example, the prior patent (publication number: CN 209117476U) discloses an electronic universal testing machine, the mounting plate is provided with a through groove, the clamping assembly comprises a clamping piece which is connected with the through groove in a sliding way, and a cylinder which is fixed on the mounting plate and drives the clamping piece, and the material is stably measured by arranging a plurality of clamping assemblies, so that the material cannot incline, and the purpose of accurately measuring data is achieved.

The electronic universal testing machine designed as above is poor in stability of clamping the material to be tested, has no function of twisting the material, and reduces the detection effect of the electronic universal testing machine.

Disclosure of Invention

The utility model provides an electronic universal testing machine with stable clamping, which solves the problem that the existing electronic universal testing machine cannot stably clamp building materials to be detected due to the fact that most of the existing electronic universal testing machine needs cylinder driving, and also solves the problem that the existing electronic universal testing machine does not have material distortion performance detection.

In order to solve the technical problems, the electronic universal testing machine with stable clamping comprises a machine body with a detection port arranged inside, two supporting pieces are symmetrically arranged in the detection port, positioning frames are arranged on opposite sides of the two supporting pieces, positioning grooves are formed in one side of each positioning frame, a pressure sensing patch and a positioning plate are arranged in each positioning groove, a sliding frame and a supporting column are arranged in each positioning frame, two ends of each supporting column are fixedly connected with the sliding frame and the positioning plate respectively, sliding holes are formed in the sliding frame, a driving assembly is arranged in each positioning frame and connected with the corresponding sliding holes, the positioning plates can move towards the corresponding pressure sensing patches by starting driving motors, building materials to be detected can be stably positioned in the corresponding positioning grooves, and clamping force of the building materials to be detected can be controlled.

Preferably, the drive assembly includes pivot, carousel, driving motor and transmission shaft, the inside of locating rack is provided with the installation cavity, the pivot rotates to be connected in the installation cavity, the carousel is fixed to be cup jointed in the pivot, driving motor sets up the rear side at the locating rack, just driving motor's drive shaft is connected with the one end transmission of pivot, the transmission shaft sets up the front side at the carousel, just the one end slip grafting of transmission shaft is in the slide hole.

Preferably, two opposite sides of the support piece are respectively and rotatably connected with an adjusting shaft, the adjusting shafts are fixedly connected with the positioning frame, a motor is arranged in the support piece, a driving shaft of the motor is in transmission connection with one end of the adjusting shaft, one of the motors is started to enable the positioning frame to rotate, so that the building material to be detected is driven to rotate, the torsion resistance of the material can be detected, and the detection effect of the electronic universal testing machine is improved.

Preferably, the support is internally provided with a cavity, and the motor is arranged in the cavity.

Preferably, the inside of organism is provided with the smooth chamber, smooth intracavity rotation is connected with the lead screw, symmetrical screw sleeve has connected the nut on the lead screw, just nut and support piece fixed connection, the top of organism is provided with servo motor, just servo motor's drive shaft is connected with the one end transmission of lead screw, opens servo motor, can conveniently detect building material's stretch-proofing and compressibility.

Preferably, the machine body is internally provided with a sliding port, the support piece is in sliding connection with the sliding port, and the sliding port is communicated with the detection port and the sliding cavity, so that the support piece is ensured to normally slide in the detection port.

Preferably, the front side of organism is provided with the controller, equal electric connection of controller and pressure sensing paster, driving motor, motor and servo motor makes things convenient for personnel to control pressure sensing paster, driving motor, motor and servo motor.

Preferably, a protection pad is arranged on one side of the pressure sensing patch, so that the pressure sensing patch can be effectively protected, and the service effect of the pressure sensing patch can be prolonged.

Compared with the related art, the electronic universal tester with stable clamping has the following beneficial effects:

1. according to the utility model, the driving motor is started, so that the positioning plate can move towards the pressure sensing patch, the building material to be detected can be stably positioned in the positioning groove, and the clamping force of the building material to be detected can be controlled by matching with the pressure sensing patch, so that the problem that the existing electronic universal testing machine can not stably clamp the building material to be detected due to the fact that most of the electronic universal testing machine needs to be driven by the air cylinder is solved.

2. According to the utility model, one of the motors is started, so that the positioning frame can rotate, the building material to be detected is driven to rotate, and the anti-twisting capacity of the material can be detected, thereby improving the detection effect of the electronic universal testing machine.

Drawings

FIG. 1 is a schematic perspective view of an external part of an electronic universal tester with stable clamping;

FIG. 2 is a schematic view of a planar structure of the inside of a stable-clamping electronic universal tester;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view at B in fig. 2.

Reference numerals in the drawings: 1. a body; 2. a support; 3. a positioning frame; 4. a positioning groove; 5. a pressure sensing patch; 6. a positioning plate; 7. a carriage; 8. a slide hole; 9. a support column; 10. a rotating shaft; 11. a turntable; 12. a driving motor; 13. a transmission shaft; 14. an adjusting shaft; 15. a motor; 16. a screw rod; 17. a nut; 18. a servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Given by fig. 1-4, an electronic universal testing machine with stable clamping comprises a machine body 1, a detection port is formed in the machine body, two supporting pieces 2 are symmetrically arranged in the detection port, a locating rack 3 is arranged on one side, opposite to the two supporting pieces 2, of the two supporting pieces, a locating groove 4 is formed in one side, a pressure sensing patch 5 and a locating plate 6 are arranged in the locating groove 4, a sliding frame 7 and a supporting column 9 are arranged in the locating rack 3, two ends of the supporting column 9 are fixedly connected with the sliding frame 7 and the locating plate 6 respectively, a sliding hole 8 is formed in the sliding frame 7, a driving component is arranged in the locating rack 3 and connected with the sliding hole 8, the driving component comprises a rotating shaft 10, a rotary disc 11, a driving motor 12 and a transmission shaft 13, a mounting cavity is formed in the interior of the locating rack 3, the rotating shaft 10 is rotationally connected in the mounting cavity, the rotary disc 11 is fixedly sleeved on the rotating shaft 10, the driving motor 12 is arranged on the rear side of the locating rack 3, a driving shaft of the driving motor 12 is in transmission connection with one end of the rotating shaft 10, and one end of the driving shaft 13 is arranged on the front side of the rotary disc 11 in a sliding mode, and one end of the driving shaft 13 is in sliding connection with the sliding hole 8.

Through opening driving motor 12, can make locating plate 6 remove towards pressure sensing paster 5, can be with waiting to detect building material stable location in constant head tank 4 to cooperate pressure sensing paster 5, steerable the clamping force of waiting to detect building material has solved current electronic universal testing machine because of mostly needing the cylinder drive, leads to unable stable problem with waiting to detect building material centre gripping.

One side of the pressure sensing patch 5 is provided with a protective pad. The pressure sensing patch 5 can be effectively protected, thereby helping to prolong the use effect of the pressure sensing patch 5.

For the pressure sensing paster 5, the inside is provided with pressure sensing chip generally, give the sensing chip through exerting pressure, can show corresponding pressure numerical value, during the use, when the pressure that locating plate 6 exerted reaches the value to pressure sensing paster 5 settlement, pressure sensing paster 5 sends the electrical signal to the controller this moment, then the controller sends the electrical signal to driving motor 12, can close driving motor 12, driving motor 12's drive shaft is in the locking state this moment, can be again with the stable centre gripping of material under the prerequisite of not damaging the material, because pressure sensing paster 5 belongs to prior art, with not too much description in this description.

Example two

On the basis of the first embodiment, as shown in fig. 2, two opposite sides of the two supporting members 2 are respectively and rotatably connected with an adjusting shaft 14, the adjusting shafts 14 are fixedly connected with the positioning frame 3, a motor 15 is arranged in the supporting members 2, a driving shaft of the motor 15 is in transmission connection with one end of the adjusting shaft 14, a cavity is formed in the supporting members 2, and the motor 15 is arranged in the cavity. By starting one of the motors 15, the positioning frame 3 can be rotated, so that the building material to be detected is driven to rotate, and the anti-twisting capacity of the material can be detected, thereby improving the detection effect of the electronic universal testing machine.

Example III

On the basis of the first embodiment, as shown in fig. 1-2, a sliding cavity is arranged in the machine body 1, a screw rod 16 is rotationally connected in the sliding cavity, a nut 17 is symmetrically and threadedly sleeved on the screw rod 16, the nut 17 is fixedly connected with the support 2, a servo motor 18 is arranged at the top of the machine body 1, and a driving shaft of the servo motor 18 is in transmission connection with one end of the screw rod 16. The servo motor 18 is turned on to facilitate the detection of the stretch and compression resistance of the building material.

The machine body 1 is internally provided with a sliding port, the support piece 2 is in sliding connection in the sliding port, and the sliding port is communicated with the detection port and the sliding cavity. The support 2 is conveniently slid normally in the detection port.

The front side of the machine body 1 is provided with a controller which is electrically connected with the pressure sensing patch 5, the driving motor 12, the motor 15 and the servo motor 18. The personnel control the pressure sensing patch 5, the drive motor 12, the motor 15 and the servo motor 18 is facilitated.

For the controller, by operating the controller, the controller can be caused to send and activate the electric signals to the pressure sensing patch 5, the driving motor 12, the motor 15, and the servo motor 18, thereby functioning to facilitate control of the pressure sensing patch 5, the driving motor 12, the motor 15, and the servo motor 18.

Working principle:

when the device is used, firstly, two ends of a building material to be detected are respectively placed in two positioning grooves 4, then, two driving motors 12 are started simultaneously, a rotating shaft 10 drives a rotary table 11 to rotate, a transmission shaft 13 slides in a sliding hole 8 and pushes a sliding frame 7 and a supporting column 9 to horizontally move, a positioning plate 6 can be slowly close to a pressure sensing patch 5, the building material to be detected can be stably clamped in the positioning grooves 4, the force of clamping the material can be controlled by matching with the pressure sensing patch 5, the material is prevented from being damaged, then, a servo motor 18 is started, a screw rod 16 is enabled to rotate and overturn, two nuts 17 are enabled to be close to and far away from each other, the stretching and compression performance of the material can be detected, finally, a motor 15 is started, the positioning frame 3 can be rotated, and therefore, the anti-twisting capacity of the material can be detected.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic universal testing machine of centre gripping stability, includes organism (1) of having offered the detection mouth inside, its characterized in that, be provided with two support pieces (2) in the detection mouth, one side of support piece (2) is provided with locating rack (3), one side of locating rack (3) is provided with constant head tank (4), be provided with pressure sensing paster (5) and locating plate (6) in constant head tank (4), be provided with balladeur train (7), support column (9) and actuating assembly in locating rack (3), the both ends of support column (9) are connected with balladeur train (7) and locating plate (6) respectively, slide hole (8) have been seted up in balladeur train (7), actuating assembly is connected with slide hole (8).

2. The electronic universal testing machine with stable clamping according to claim 1, wherein the driving assembly comprises a rotating shaft (10), a rotary table (11), a driving motor (12) and a transmission shaft (13), an installation cavity is formed in the positioning frame (3), the rotating shaft (10) is rotationally connected in the installation cavity, the rotary table (11) is fixedly sleeved on the rotating shaft (10), the driving motor (12) is arranged on the rear side of the positioning frame (3) and is in transmission connection with the rotating shaft (10), and the transmission shaft (13) is arranged on the front side of the rotary table (11) and the other end of the transmission shaft is spliced in the sliding hole (8).

3. The electronic universal testing machine with stable clamping according to claim 1, wherein one side of the supporting piece (2) is rotatably connected with an adjusting shaft (14), the adjusting shaft (14) is fixedly connected with the positioning frame (3), a motor (15) is arranged in the supporting piece (2), and the motor (15) is in transmission connection with the adjusting shaft (14).

4. A clamping stable electronic universal testing machine according to claim 3, characterized in that the support (2) is provided with a cavity inside which the motor (15) is arranged.

5. The electronic universal testing machine with stable clamping according to claim 1, wherein a sliding cavity is arranged in the machine body (1), a screw rod (16) is rotationally connected in the sliding cavity, a nut (17) is sleeved on the screw rod (16) in a threaded manner, the nut (17) is fixedly connected with the supporting piece (2), a servo motor (18) is arranged at the top of the machine body (1), and the servo motor (18) is in transmission connection with the screw rod (16).

6. The electronic universal testing machine with stable clamping according to claim 1, wherein a sliding opening is arranged in the machine body (1), and the supporting piece (2) is connected in the sliding opening in a sliding manner.

7. The electronic universal testing machine with stable clamping according to claim 5, wherein a controller is arranged on the front side of the machine body (1), and the controller is electrically connected with the pressure sensing patch (5), the driving motor (12), the motor (15) and the servo motor (18).

8. The clamping-stable electronic universal testing machine according to claim 1, wherein a protective pad is arranged on one side of the pressure sensing patch (5).