CN214150197U

CN214150197U - Microcomputer controlled electronic universal tester

Info

Publication number: CN214150197U
Application number: CN202023209807.6U
Authority: CN
Inventors: 吴迪; 傅亚波; 李光辉; 常树东
Original assignee: Hebei Sanyu Testing Machine Co ltd
Current assignee: Hebei Sanyu Testing Machine Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-07
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a microcomputer control electron universal tester, including testing machine body and with the electrical control box of testing machine body connection, the testing machine body includes host computer bottom plate, support column and platform, support column one end is connected with the host computer bottom plate, and the other end is connected with the platform, be provided with protection component, polished rod, well roof beam, upper beam and ball screw on the platform, polished rod one end is connected with the platform, and the other end passes well roof beam and is connected with the upper beam, be provided with tensile anchor clamps on the up end of well roof beam and the lower terminal surface of underbeam respectively, ball screw is provided with two, each ball screw one end is passed the platform and is stretched below, and this ball screw other end passes well roof beam and is connected with the upper beam. The utility model discloses well mode that adopts servo motor to drive high accuracy ball to carry out the loading, the loading force process accords with linear requirement, also can accomplish experimental according to experimental required parameter under less testing force value.

Description

Microcomputer controlled electronic universal tester

Technical Field

The utility model relates to an engineering material detects technical field, specifically is a microcomputer control electron universal tester.

Background

The traditional tensile test and compression test are often executed on a hydraulic testing machine, the hydraulic testing machine needs to overcome the dead weight of a piston and equipment when loading is started, and the hydraulic testing machine has certain impact force and cannot meet the test of smaller force and accurate displacement control; in addition, traditional electron universal tester adopts the mounting means of two vertical columns double screw more, perhaps the mounting means of stand in the centre sill outside, causes the centre sill stress surface to reduce, influences centre sill intensity and rigidity, directly influences the test result, and whole equipment is difficult to satisfy user's demand in the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a microcomputer control electron universal tester.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a microcomputer-controlled electronic universal testing machine comprises a testing machine body and an electrical control box connected with the testing machine body, wherein the testing machine body comprises a host bottom plate, a support pillar and a platform, one end of the support pillar is connected with the host bottom plate, the other end of the support pillar is connected with the platform, a protective component, a light bar, a middle beam, an upper beam and ball screws are arranged on the platform, one end of the light bar is connected with the platform, the other end of the light bar penetrates through the middle beam to be connected with the upper beam, two stretching clamps are respectively arranged on the upper end surface of the middle beam and the lower end surface of the upper beam, one end of each ball screw penetrates through the platform to stretch downwards, the other end of each ball screw penetrates through the middle beam to be connected with a bearing mounted on the upper beam, a servo motor and a speed reduction transmission device are arranged between the host bottom plate and the platform, and the servo motor is connected with the speed reduction transmission device, the speed reduction transmission device is connected with the two ball screws.

Preferably, the protection component comprises a mounting frame and a protective net, the protective net is connected with the mounting frame, and the mounting frame is connected with the platform.

Preferably in the further, be provided with two spacing subassemblies on the protective screen, spacing subassembly includes adjustable limiting plate and limiting plate dead lever, and adjustable limiting plate can dismantle with the limiting plate dead lever and be connected, and the limiting plate dead lever is connected with the protection network, be provided with the limit switch corresponding with adjustable limiting plate on the centre sill.

In a further preferred mode, four support columns are arranged and are respectively and symmetrically arranged between the host bottom plate and the platform.

In a further preferred mode, four optical bars are arranged and are respectively connected with the platform, the middle beam and the upper beam in a mutually symmetrical mode.

In a further preferred embodiment, the beam is connected to the upper beam by a first nut.

In a further preferred embodiment, the ball screw is connected to the center sill by a second nut.

In a further preferred embodiment, the tension clamp is connected to the center sill and the upper sill by a third nut.

In a further preferred mode, a graphite self-lubricating bearing is arranged at the joint of the lever and the center sill.

In a further preferred mode, the lower end face of the middle beam is provided with an upper pressure plate, and the upper end face of the platform is provided with a lower pressure plate positioning hole corresponding to the upper pressure plate.

In a further preferred mode, the electrical control box comprises a main machine box body, and a main machine side door, a keyboard and mouse drawer, an observation hole and an industrial computer are arranged on the main machine box body.

(III) advantageous effects

Compared with the prior art, the utility model provides a microcomputer control electron universal tester possesses following beneficial effect:

the utility model adopts the servo motor to drive the high-precision ball screw to load, the loading force process meets the linear requirement, and the test can be completed according to the parameters required by the test under the smaller test force value; the installation mode that the upright post penetrates through the middle beam is adopted, so that the volume and the rigidity of the middle beam are increased, and the test result is more accurate; an electrical control box which accords with ergonomics is configured, the test is controlled by adopting a control mode of software built in an industrial computer, the control mode is simple and convenient, and a large amount of test data can be stored; the tensile test fixture and the compression test auxiliary tool are easy and convenient to replace, and tests such as tensile, compression, shearing, bending and the like of metal, non-metal materials and composite materials can be realized by replacing the test auxiliary tool. The universality and the practicability are strong.

Drawings

Fig. 1 is a perspective view of the overall structure of the testing machine body of the utility model;

fig. 2 is a perspective view of the overall structure of the electrical control box of the present invention.

In the figure: 1. a host backplane; 2. a support pillar; 3. a platform; 4. a protective net mounting frame; 5. a polished rod; 6. a middle beam; 7. a lead screw nut; 8. a ball screw; 9. an upper beam; 10. a clamp fixing nut; 11. a polished rod nut; 12. a protective net; 13. an adjustable limiting plate; 14. a limiting plate fixing rod; 15. stretching the clamp; 16. a limit switch; 17. an upper pressure plate; 18. pressing the plate positioning hole; 19. a servo motor; 20. a reduction gear; 21. graphite self-lubricating bearings; 22. a main machine box body; 23. a host side door; 24. a keyboard and mouse drawer; 25. an observation hole; 26. an industrial computer.

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.

Example (b):

referring to fig. 1-2, a microcomputer controlled electronic universal tester comprises a tester body and an electrical control box connected with the tester body, wherein the tester body comprises a host bottom plate 1, a support column 2 and a platform 3, one end of the support column 2 is connected with the host bottom plate 1, the other end is connected with the platform 3, a protective component, a light bar 5, a middle beam 6, an upper beam 9 and two ball screws 8 are arranged on the platform 3, one end of the light bar 5 is connected with the platform 3, the other end passes through the middle beam 6 and is connected with the upper beam 9, two stretching clamps 15 are respectively arranged on the upper end surface of the middle beam 6 and the lower end surface of the lower beam, the ball screws 8 are arranged, one end of each ball screw 8 passes through the platform 3 and extends downwards, the other end of the ball screw 8 passes through the middle beam 6 and is connected with the upper beam 9, a servo motor 19 and a reduction transmission device 20 are arranged between the host bottom plate 1 and the platform 3, the servo motor 19 is connected with a speed reduction transmission device 20, and the speed reduction transmission device 20 is connected with the two ball screws 8.

In this embodiment, the protection component includes a mounting frame 4 and a protection net 12, the protection net 12 is connected with the mounting frame 4, and the mounting frame 4 is connected with the platform 3. The internal components can be well protected by the protection net 12.

In this embodiment, the protective net 12 is provided with a limiting assembly, the limiting assembly includes an adjustable limiting plate 13 and a limiting plate fixing rod 14, the adjustable limiting plate 13 is detachably connected to the limiting plate fixing rod 14, the limiting plate fixing rod 14 is connected to the protective net 12, and the middle beam 6 is provided with a limiting switch 16 corresponding to the adjustable limiting plate 13. The tensile clamp 15 can be well protected through the limit switch 16 and the adjustable limit plate 13, and the situation of excessive displacement is prevented.

In this embodiment, the number of the support columns 2 is four, and the four support columns are respectively and symmetrically installed between the host base plate 1 and the platform 3. So that the platform 3 and the host bottom plate 1 are connected more firmly.

In the present embodiment, four optical bars 5 are provided, and are respectively connected with the platform 3, the middle beam 6 and the upper beam 9 symmetrically. Making the platform 3, centre sill 6 and upper sill 9 more stable and stable in use.

In the present embodiment, the beam 5 is connected to the upper beam 9 by a first nut 11. The connection and the disassembly of the light bar 5 and the upper beam 9 are facilitated.

In the present embodiment, the ball screw 8 is connected to the center sill 6 through a second nut 7. The connection and the disassembly of the ball screw 8 and the middle beam 6 are facilitated.

In the present embodiment, the tension jig 15 is connected to the center sill 6 and the upper sill 9 by the third nut 10, respectively. The connection and the disassembly of the tensile clamp 15, the middle beam 6 and the upper beam 9 are facilitated.

In the present embodiment, a graphite self-lubricating bearing 21 is provided at the joint of the beam 5 and the center sill 6. So that it can make better sliding contact and reduce its friction.

In this embodiment, the lower end surface of the middle beam 6 is provided with an upper pressing plate 17, and the upper end surface of the platform 3 is provided with a lower pressing plate positioning hole 18 corresponding to the upper pressing plate 17. Preferably, a lower press plate is mounted on the lower press plate positioning hole 18, and the compression test can be well realized by the upper press plate 17 and the lower press plate which are matched with each other.

In the present embodiment, the electrical control box includes a main box 22, and the main box 22 is provided with a main door 23, a keyboard and mouse drawer 24, a viewing hole 25 and an industrial computer 26. The operation of the testing machine body can be well controlled through the electric control box.

The working principle is as follows:

when the device is used, a workpiece can be subjected to a tensile test through the tensile fixture 15, the servo motor 19 drives the speed reduction transmission device 20, the speed reduction transmission device 20 drives the ball screw 8, the ball screw 8 drives the middle beam 6 and the tensile fixture 15 on the middle beam 6 to move up and down, the middle beam 6 moves up and down along the four optical bars 5, the device is more stable in the moving process, in addition, the lower pressing plate is preferably arranged at the position of the lower pressing plate positioning hole 18, the force sensor is preferably arranged on the upper pressing plate 17, the compression test value of the workpiece can be well detected through the force sensor, and the lower pressing plates with different sizes can be arranged according to the actual size of the workpiece in the compression test.

Additionally, the utility model discloses in the connected mode between numerous parts adopt nut or threaded connection, made things convenient for to its dismantlement and installation.

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

Claims

1. A microcomputer-controlled electronic universal testing machine comprises a testing machine body and an electrical control box connected with the testing machine body, and is characterized in that the testing machine body comprises a host bottom plate, support columns and a platform, one end of each support column is connected with the host bottom plate, the other end of each support column is connected with the platform, a protective assembly, a light bar, a middle beam, an upper beam and two ball screws are arranged on the platform, one end of each light bar is connected with the platform, the other end of each light bar penetrates through the middle beam and is connected with the upper beam, the upper end surface of the middle beam and the lower end surface of the upper beam are respectively provided with a stretching clamp, the number of the ball screws is two, one end of each ball screw penetrates through the platform and stretches downwards, the other end of each ball screw penetrates through the middle beam and is connected with a bearing arranged on the upper beam, a servo motor and a reduction transmission device are arranged between the host bottom plate and the platform, and the servo motor is connected with the reduction transmission device, the speed reduction transmission device is connected with the two ball screws.

2. The microcomputer controlled electronic universal tester of claim 1, wherein: the protection assembly comprises an installation frame and a protection net, the protection net is connected with the installation frame, and the installation frame is connected with the platform.

3. The microcomputer controlled electronic universal tester of claim 2, wherein: the protective net is provided with a limiting assembly, the limiting assembly comprises two adjustable limiting plates and a limiting plate fixing rod, the adjustable limiting plates are detachably connected with the limiting plate fixing rod, the limiting plate fixing rod is connected with the protective net, and a limiting switch corresponding to the adjustable limiting plates is arranged on the middle beam.

4. The microcomputer controlled electronic universal tester of claim 1, wherein: the support column is provided with four, and the installation that is symmetrical each other respectively is between host computer bottom plate and platform.

5. The microcomputer controlled electronic universal tester of claim 1, wherein: the optical bars are four and are respectively connected with the platform, the middle beam and the upper beam in a mutually symmetrical mode.

6. The microcomputer controlled electronic universal tester of claim 1, wherein: the feed rod is connected with the upper beam through a first nut.

7. The microcomputer-controlled electronic universal tester of claim 6, wherein: and the ball screw is connected with the middle beam through a second nut.

8. The microcomputer controlled electronic universal tester of claim 1, wherein: and the stretching clamp is connected with the middle beam and the upper beam through third nuts respectively.

9. The microcomputer controlled electronic universal tester of claim 1, wherein: and a graphite self-lubricating bearing is arranged at the joint of the lever and the middle beam.

10. The microcomputer controlled electronic universal tester of claim 1, wherein: an upper pressing plate is arranged on the lower end face of the middle beam, and a lower pressing plate positioning hole corresponding to the upper pressing plate is formed in the upper end face of the platform.