CN219265935U

CN219265935U - Electronic universal testing machine convenient to stretch

Info

Publication number: CN219265935U
Application number: CN202320640994.8U
Authority: CN
Inventors: 王建兴; 王建忠; 王晨瑶; 王江涛; 王治彭
Original assignee: Hebei Xingdu Cable Co ltd
Current assignee: Hebei Xingdu Cable Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-27
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to an electronic universal testing machine convenient to stretch, which comprises a mounting frame, wherein a stretching mechanism is arranged in the mounting frame, and a protection mechanism is arranged outside the mounting frame; the protection mechanism comprises a motor, a base is fixedly arranged at the bottom of the mounting frame, the motor is fixedly arranged at the top of the base, a threaded rod is fixedly connected to an output shaft of the motor, and a thread block is connected to the external thread of the threaded rod. This electronic type universal testing machine convenient to tensile through setting up protection machanism, carries out tensile detection time measuring, through starting motor corotation or reversal, drives the threaded rod and rotates, under slider and spout sliding connection's limiting effect to make the screw thread piece upwards or down remove, drive the protection casing upwards or down remove to being located the outside of material, cover detection material in the protection casing, play the effect of protection, thereby prevent to carry out the material fracture and burst out the injury operation personnel when anti tensile experiment.

Description

Electronic universal testing machine convenient to stretch

Technical Field

The utility model relates to the technical field of universal testing machines, in particular to an electronic universal testing machine convenient to stretch.

Background

The electronic universal testing machine mainly adopts a servo motor as a power source, a screw rod and a screw nut as actuating components, so that the speed control of a movable cross beam of the testing machine is realized, and the movable cross beam is driven to ascend and descend through a precise screw rod pair, so that various mechanical property tests such as stretching, compressing, bending, shearing and the like of a sample are completed.

An electronic universal testing machine convenient to stretch according to Chinese patent publication No. CN213239680U comprises a base, a mounting frame, a fixed underframe, a lifting frame, a side frame, a clamping assembly, a driving assembly and a detection assembly; the mounting frame is arranged on the base; the underframe is fixed at the bottom end of the mounting frame; the lifting frame is arranged above the fixed underframe; the side frames are positioned at two sides of the mounting frame; the driving components for controlling the lifting frame and the two groups of side frames to move are arranged on the base and the mounting frame;

in the use process of the universal testing machine, when the material is stretched, after the stretching force reaches a certain degree, partial material is broken, and the broken material is easy to burst out of the testing machine, so that operators are easy to be injured, and certain danger exists, and the electronic universal testing machine convenient to stretch is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electronic universal testing machine convenient to stretch, which has the advantages of protection and the like, and solves the problem that operators are easily injured by material fracture and burst in the tensile test process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electronic type universal testing machine convenient to it is tensile, includes the mounting bracket, stretching mechanism has been installed to the inside of mounting bracket, protection machanism has been installed to the outside of mounting bracket.

The protection machanism includes the motor, the bottom fixed mounting of mounting bracket has the base, motor fixed mounting is at the top of base, fixedly connected with threaded rod on the output shaft of motor, the outside threaded connection of threaded rod has the screw thread piece, the right side fixed mounting of screw thread piece has the protection casing, the equal fixed mounting in left and right sides of mounting bracket has the L shaped plate, and the left side the spout has been seted up to the inside of L shaped plate, the left side fixedly connected with slider of screw thread piece, slider sliding connection is in the inside of spout.

The stretching mechanism comprises a double-headed motor, an installation cavity is formed in the base, the double-headed motor is fixedly installed in the installation cavity, a rotating shaft is fixedly connected to an output shaft on the left side and the right side of the double-headed motor, driving bevel gears are fixedly installed on the outer portions of the rotating shaft, installation grooves are formed in the left side and the right side of the installation frame, a screw rod is rotatably connected to the inner portions of the installation grooves, driven bevel gears are installed on the outer portions of the screw rod, the driven bevel gears are meshed with the driving bevel gears, moving blocks are connected to the outer threads of the screw rod, lifting plates are fixedly installed between the two moving blocks, and fixing seats are fixedly installed on the top of the installation frame and the bottom of the lifting plates.

Further, two the inside of fixing base is the cavity structure, the inside rotation of fixing base is connected with two-way threaded rod, the outside left and right sides of two-way threaded rod all threaded connection has the movable plate, one side fixedly connected with grip block that the movable plate kept away from the fixing base.

Further, two rectangular grooves are formed in one sides, opposite to the fixing seats, of the two movable plates, one ends of the movable plates penetrate through the rectangular grooves and extend to the outside, the movable plates are matched with the rectangular grooves, and the movable plates are slidably connected inside the rectangular grooves.

Further, the top of threaded rod passes through the bearing and rotates the inside of connecting at left side L shaped plate, right side the inside fixed mounting of L shaped plate has the slide bar, the outside sliding connection of slide bar has the sliding sleeve, sliding sleeve fixed connection is on the right side of protection casing.

Further, the bottom of lifter plate runs through mounting bracket and base in proper order and rotates the interior diapire of connecting at the installation cavity through the bearing.

Further, the protection casing is the rectangle cover, the protection casing is located the outside of mounting bracket.

Further, the right end of the bidirectional threaded rod penetrates through the fixing seat and is fixedly connected with the hand wheel, and threads on the left side and the right side of the bidirectional threaded rod are opposite in direction.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this electronic type universal testing machine convenient to tensile through setting up protection machanism, carries out tensile detection time measuring, through starting motor corotation or reversal, drives the threaded rod and rotates, under slider and spout sliding connection's limiting effect to make the screw thread piece upwards or down remove, drive the protection casing upwards or down remove to being located the outside of material, cover detection material in the protection casing, play the effect of protection, thereby prevent to carry out the material fracture and burst out the injury operation personnel when anti tensile experiment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a fixing base of the present utility model;

FIG. 3 is a front view of the structural shield of the present utility model;

fig. 4 is a top view of the structural shield of the present utility model.

In the figure: 1. a mounting frame; 2. a screw rod; 3. a lifting plate; 4. a fixing seat; 5. a moving block; 6. a protective cover; 7. a base; 8. a driving bevel gear; 9. a driven bevel gear; 10. a double-ended motor; 11. a motor; 12. an L-shaped plate; 13. a slide block; 14. a screw block; 15. a threaded rod; 16. a two-way threaded rod; 17. a moving plate; 18. and a clamping plate.

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.

Embodiment one: referring to fig. 1-3, an electronic universal testing machine with convenient stretching in this embodiment includes a mounting frame 1, a stretching mechanism is installed in the mounting frame 1, and a protection mechanism is installed outside the mounting frame 1.

The protection machanism includes motor 11, and the bottom fixed mounting of mounting bracket 1 has base 7, and motor 11 fixed mounting is at the top of base 7, and fixedly connected with threaded rod 15 on motor 11's the output shaft, threaded rod 15's external screw thread connection has screw thread piece 14, and screw thread piece 14's right side fixed mounting has protection casing 6, and the equal fixed mounting in the left and right sides of mounting bracket 1 has L shaped plate 12, and the spout has been seted up to the inside of left side L shaped plate 12, and screw thread piece 14's left side fixedly connected with slider 13, slider 13 sliding connection is in the inside of spout.

The stretching mechanism comprises a double-headed motor 10, an installation cavity is formed in the base 7, the double-headed motor 10 is fixedly installed in the installation cavity, a rotating shaft is fixedly connected to output shafts on the left side and the right side of the double-headed motor 10, driving bevel gears 8 are fixedly installed on the outer portions of the rotating shafts, installation grooves are formed in the left side and the right side of the inner portion of the installation frame 1, screw rods 2 are rotatably connected to the inner portions of the installation grooves, driven bevel gears 9 are installed on the outer portions of the two screw rods 2, the driven bevel gears 9 are meshed with the driving bevel gears 8, moving blocks 5 are connected to the outer threads of the screw rods 2, lifting plates 3 are fixedly installed between the two moving blocks 5, and fixing seats 4 are fixedly installed on the top of the installation frame 1 and the bottom of the lifting plates 3.

In this embodiment, the top of threaded rod 15 passes through the inside of bearing rotation connection at left side L shaped plate 12, and the inside fixed mounting of right side L shaped plate 12 has the slide bar, and the outside sliding connection of slide bar has the sliding sleeve, and sliding sleeve fixed connection is on the right side of protection casing 6, and the bottom of lifter plate 3 runs through mounting bracket 1 and base 7 in proper order and rotates the interior diapire of connection at the installation cavity through the bearing.

It should be noted that, the motor 11 is a servo motor, and the threaded rod 15 is driven to rotate by forward rotation or reverse rotation of the motor 11, so that the threaded block 14 can move upwards or downwards under the limited action of sliding connection between the sliding block 13 and the sliding groove, thereby being convenient for adjusting the position of the protective cover 6.

Embodiment two: referring to fig. 1-2, through setting up on the basis of the first embodiment, the inside of two fixing bases 4 is the cavity structure, and the inside rotation of fixing base 4 is connected with two-way threaded rod 16, and the outside left and right sides of two-way threaded rod 16 is all threaded connection has movable plate 17, and one side that movable plate 17 kept away from fixing base 4 is fixedly connected with grip block 18, and rectangular channel has all been seted up to two opposite sides of fixing base 4, and the one end of movable plate 17 runs through rectangular channel and extends to outside, and movable plate 17 and rectangular channel assorted, movable plate 17 sliding connection is in rectangular channel's inside.

The two ends of the material are clamped by the relative movement of every two clamping plates 18, so that the materials with different sizes can be conveniently fixed, and the stretching experiments on different materials can be conveniently carried out.

The moving plate 17 is slidably connected to the inside of the rectangular groove, and guides the moving plate 17 so that the two moving plates 17 can move only in opposite or opposite directions.

In this embodiment, the protective cover 6 is a rectangular cover, and the protective cover 6 is located outside the mounting frame 1.

The protective cover 6 is made of a Parm transparent material, has high strength and impact resistance, and can be used as a transparent protective plate, so that the protective cover can be used for protecting and observing the test condition of the material.

In this embodiment, the right end of the bidirectional threaded rod 16 penetrates through the fixing seat 4 and is fixedly connected with a hand wheel, and the directions of threads on the left side and the right side of the bidirectional threaded rod 16 are opposite.

The working principle of the embodiment is as follows: when the anti-stretching test device is used, two ends of a material are fixed on the fixed seat 4, the hand wheel is rotated, the bidirectional threaded rod 16 is rotated, the two clamping plates 18 can be moved relatively to clamp the material, then the motor 11 is started to rotate forward or reversely to drive the threaded rod 15 to rotate, under the limiting action of sliding connection of the sliding block 13 and the sliding groove, the threaded block 14 is enabled to move upwards or downwards to drive the protective cover 6 to move upwards or downwards to be positioned outside the material, the detection material is covered in the protective cover 6, then the double-headed motor 10 is started to drive the driving bevel gear 8 to rotate, the two driven bevel gears 9 are enabled to rotate to drive the two screw rods 2 to synchronously rotate respectively, the movable block 5 can drive the lifting plate 3 to move upwards, anti-stretching test can be carried out on the material, if the material breaks and bursts out, injury to operators can be prevented by the protective cover 6.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 type universal testing machine convenient to it is tensile, includes mounting bracket (1), its characterized in that: the inside of the mounting frame (1) is provided with a stretching mechanism, and the outside of the mounting frame (1) is provided with a protection mechanism;

the protection mechanism comprises a motor (11), a base (7) is fixedly arranged at the bottom of the mounting frame (1), the motor (11) is fixedly arranged at the top of the base (7), a threaded rod (15) is fixedly connected to an output shaft of the motor (11), a threaded block (14) is connected to the external thread of the threaded rod (15), a protection cover (6) is fixedly arranged on the right side of the threaded block (14), L-shaped plates (12) are fixedly arranged on the left side and the right side of the mounting frame (1), a sliding groove is formed in the L-shaped plates (12), a sliding block (13) is fixedly connected to the left side of the threaded block (14), and the sliding block (13) is slidably connected to the inside of the sliding groove;

the stretching mechanism comprises a double-headed motor (10), an installation cavity is formed in the base (7), the double-headed motor (10) is fixedly installed in the installation cavity, a rotating shaft is fixedly connected to an output shaft on the left side and the right side of the double-headed motor (10), driving bevel gears (8) are fixedly installed on the outer portion of the rotating shaft, installation grooves are formed in the left side and the right side of the inner portion of the installation frame (1), a screw rod (2) is rotatably connected to the inner portion of the installation groove, driven bevel gears (9) are all installed on the outer portion of the screw rod (2), the driven bevel gears (9) are meshed with the driving bevel gears (8), moving blocks (5) are connected to the outer threads of the screw rod (2), lifting plates (3) are fixedly installed between the two moving blocks (5), and fixing seats (4) are fixedly installed on the top of the installation frame (1) and the bottom of the lifting plates (3).

2. The electronic universal testing machine convenient to stretch according to claim 1, wherein: the inside of two fixing base (4) is the cavity structure, the inside rotation of fixing base (4) is connected with two-way threaded rod (16), the outside left and right sides of two-way threaded rod (16) all threaded connection has movable plate (17), one side fixedly connected with grip block (18) that movable plate (17) kept away from fixing base (4).

3. The electronic universal testing machine convenient to stretch according to claim 2, wherein: rectangular grooves are formed in one sides, opposite to the fixed seats (4), of the two fixed seats, one end of the movable plate (17) penetrates through the rectangular grooves to extend to the outside, the movable plate (17) is matched with the rectangular grooves, and the movable plate (17) is slidably connected inside the rectangular grooves.

4. The electronic universal testing machine convenient to stretch according to claim 1, wherein: the top of threaded rod (15) is rotated through the bearing and is connected in the inside of left side L shaped plate (12), and the right side the inside fixed mounting of L shaped plate (12) has the slide bar, the outside sliding connection of slide bar has the sliding sleeve, sliding sleeve fixed connection is on the right side of protection casing (6).

5. The electronic universal testing machine convenient to stretch according to claim 1, wherein: the bottom of the lifting plate (3) sequentially penetrates through the mounting frame (1) and the base (7) and is rotationally connected with the inner bottom wall of the mounting cavity through a bearing.

6. The electronic universal testing machine convenient to stretch according to claim 1, wherein: the protection cover (6) is a rectangular cover, and the protection cover (6) is positioned outside the installation frame (1).

7. The electronic universal testing machine convenient to stretch according to claim 2, wherein: the right end of the bidirectional threaded rod (16) penetrates through the fixing seat (4) and is fixedly connected with a hand wheel, and the threads on the left side and the right side of the bidirectional threaded rod (16) are opposite in direction.