CN213749418U

CN213749418U - Electromechanical servo electric porcelain bending and twisting testing machine

Info

Publication number: CN213749418U
Application number: CN202022089136.8U
Authority: CN
Inventors: 盛建华; 郭良; 霍炳谕
Original assignee: Tianshui Hongshan Testing Machine Co ltd
Current assignee: Tianshui Hongshan Testing Machine Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-20
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a test device, concretely relates to electromechanical servo electroceramics turn round testing machine, including the testing machine body, the testing machine body including twisting the base, the base that twists reverse on be provided with and bear the stand, the stand that bears on set up vertical feed mechanism, vertical feed mechanism on be provided with transverse feed mechanism, the base that twists reverse and electroceramics bottom fixed, the electroceramics top with transverse feed mechanism connect, realize twisting round and buckling test to the electroceramics.

Description

Electromechanical servo electric porcelain bending and twisting testing machine

Technical Field

The utility model relates to a test device, concretely relates to electromechanical servo electroceramics crankle testing machine.

Background

In the process of power transmission and transformation, the mechanical performance tests of bending resistance, bending resistance and the like are required to be carried out on devices such as post insulators, electric appliance porcelain bushings, lightning rods and the like. Along with the rapid development of the power transmission and transformation process, the ultrahigh voltage power transmission and transformation project is rapidly increased, more and more high-rise buildings are provided, especially, a large-scale device must be tested more strictly, the electric porcelain bending and twisting testing machine used at present is tested in a hydraulic driving mode, the detection force value, the testing precision, the testing efficiency and other aspects cannot meet the requirements, the maintenance difficulty is high, the failure rate is high, the energy consumption is high, the noise is high, the working requirements of various detection laboratories cannot be met, and the modernized testing equipment with high precision, low pollution and low energy consumption is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides electromechanical servo electroceramics bending and twisting testing machine for the test of electric porcelain insulator and lightning rod bending resistance, antitorque.

For solving above technical problem, the utility model provides a technical scheme as follows:

electromechanical servo electroceramics crook testing machine, including the testing machine body, the testing machine body including twist reverse the base, the base that twists reverse on be provided with and bear the stand, bear and set up vertical feed mechanism on the stand, vertical feed mechanism on be provided with transverse feed mechanism, the base that twists reverse and electroceramics bottom fixed, the electroceramics top with transverse feed mechanism connect, realize the torsion and the bending test to the electroceramics.

Twist reverse the base including twisting reverse the workstation, twist reverse the workstation side and install a servo motor who provides the torsional force, a servo motor's main shaft is in through first speed reducer and setting twist reverse the workstation on the main shaft of twisting reverse the chuck be connected, twist reverse the chuck with electroceramics bottom fixed connection.

The torsion chuck is provided with a T-shaped groove for fixedly connecting samples of different specifications and sizes.

The longitudinal feeding mechanism comprises a movable cross beam, the movable cross beam is transversely connected to the bearing stand column in a sliding mode, a lifting screw rod is vertically arranged on the bearing stand column, the lifting screw rod is connected with the movable cross beam in a threaded mode, and the top of the lifting screw rod is connected with a power source through a second speed reducer.

The transverse feeding mechanism comprises a bearing seat, the bearing seat is connected to the movable beam in a sliding mode, the bearing seat is connected with a ball screw thread arranged horizontally, and one end of the ball screw is connected with a second servo motor arranged on the movable beam in a matched mode.

The utility model also comprises a servo control system, the servo control system comprises a servo controller and a servo controller, the servo controller and the servo controller are respectively connected with a computer through a D/A converter plate and a serial port, the servo controller is connected with a servo motor, the servo motor is connected with the computer through a second photoelectric encoder, the servo controller is connected with the servo motor, the servo motor is connected with the computer through a first photoelectric encoder, the computer is respectively connected with a spoke type force sensor and a torque sensor through an A/D converter plate and a serial port, a bending moment loading head is arranged on one side of the spoke type force sensor, the other side of the spoke type force sensor is arranged on the bearing seat, the torque sensor is installed the bearing seat lower extreme, the torque sensor lower extreme install the head of turning round for connect the upper end of sample, the computer on connect the printer.

Compared with the prior art, the detailed description of the application is as follows:

the utility model discloses a twist reverse workstation side-mounting has the servo motor that provides torsional force one number, drive the rotation of torsion dish and provide the moment of torsion test power through the speed reducer, twist reverse the chuck and have T type groove, be used for adapting to the sample of different specification and dimension and carry out fixed connection, twist reverse workstation upper portion installation and bear the stand, bear the stand upper end installation speed reducer, be used for driving the elevating screw to rotate and then drive the movable cross beam and rise or descend, movable cross beam middle part is the bearing seat, rely on the rotation of servo motor two numbers to drive the ball screw to rotate, then drive the bearing seat and move about, be used for applying moment load or adjusting the sample centering of twisting test, the bearing seat left end is moment loading head, be used for carrying out bending test to the sample, moment loading head is connected with the bearing seat through spoke type force transducer, spoke type force transducer is used for detecting and as the feedback unit of moment servo control, the lower end of the bearing seat is provided with a torque sensor, the lower end of the torque sensor is provided with a twisting head which is used for connecting the upper end of a test sample to form the upper part fixation of a torsion test, the lower part torsion loading test is carried out, and the torque sensor is used for detecting and serving as a feedback unit of torque servo control. The utility model is suitable for a test porcelain insulator and lightning rod bending resistance index and antitorque performance index's experiment provides reliable accurate data.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a load-bearing upright post.

Fig. 3 is a schematic diagram of a servo control system.

The testing machine comprises a testing machine body 1, a torsion workbench 101, a torsion chuck 102, a lifting screw 103, a movable beam 104, a bending moment loading head 105, a torque sensor 106, a bearing seat 107, a ball screw 108, a bearing upright 109, a second speed reducer 110, a second servo motor 111, a first servo motor 112, a servo control system 2, a spoke type force sensor 201, a second photoelectric encoder 202, a second servo controller 203, a printer 204, a computer 205, a first servo controller 206 and a first photoelectric encoder 207.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in fig. 1-3, the electromechanical servo electric porcelain bending and twisting testing machine comprises a testing machine body 1, wherein the testing machine body 1 comprises a twisting base, the twisting base is provided with a bearing upright column 109, the bearing upright column 109 is provided with a longitudinal feeding mechanism, the longitudinal feeding mechanism is provided with a transverse feeding mechanism, the twisting base is fixed with the bottom of an electric porcelain, the top of the electric porcelain is connected with the transverse feeding mechanism to realize the twisting and bending tests of the electric porcelain, the twisting base comprises a twisting worktable 101, a first servo motor 112 for providing twisting force is installed on the side surface of the twisting worktable 101, a main shaft of the first servo motor 112 is connected with a main shaft of a twisting chuck 102 arranged on the twisting worktable 101 through a first speed reducer, the twisting chuck 102 is fixedly connected with the bottom of the electric porcelain, the twisting chuck 102 is provided with a T-shaped groove for adapting to fixedly connecting samples with different specifications and sizes, the longitudinal feeding mechanism comprises a movable beam 104, the movable beam 104 is transversely connected on a bearing upright 109 in a sliding manner, a lifting screw 103 is vertically arranged on the bearing upright 109, the lifting screw 103 is in threaded connection with the movable beam 104, the top of the lifting screw 103 is connected with a power source through a second speed reducer 110, the transverse feeding mechanism comprises a bearing seat 107, the bearing seat 107 is in sliding connection with the movable beam 104, the bearing seat 107 is in threaded connection with a horizontally arranged ball screw 108, one end of the ball screw 108 is in matching connection with a second servo motor 111 arranged on the movable beam 104, the utility model also comprises a servo control system 2, the servo control system 2 comprises a first servo controller 206 and a second servo controller 203, the first servo controller 206 and the second servo controller 203 are respectively connected with a computer 205 through a D/A conversion plate and a serial port, and the second servo controller 203 is connected with the second servo motor 111, the second servo motor 111 is connected with the computer 205 through the second photoelectric encoder 202, the first servo controller 206 is connected with the first servo motor 112, the first servo motor 112 is connected with the computer 205 through the first photoelectric encoder 207, the computer 205 is respectively connected with the spoke type force sensor 201 and the torque sensor 106 through an A/D (analog/digital) conversion board and a serial port, the bending moment loading head 105 is installed on one side of the spoke type force sensor 201, the other side of the spoke type force sensor 201 is installed on the bearing seat 107, the torque sensor 106 is installed at the lower end of the bearing seat 107, the lower end of the torque sensor 106 is provided with the twisting head for connecting the upper end of a sample, and the printer 204 is connected with the computer 205.

The utility model discloses when using, with electroceramics bottom fixed mounting on twisting the T type groove on chuck 102, the top is fixed on moment of flexure loading head 105, rotate when elevating screw 103 and make movable cross beam 104 descend, at this moment, for the bending test of electroceramics, when fixing the electroceramics top on the torsion head of torque sensor 106 lower extreme, servo motor 112 drive twists reverse chuck 102 and rotates, at this moment, for the antitorque test of electroceramics, wherein, servo control system 2 realizes two way servo closed loop control, is the level to control all the way: signals are collected through the spoke type force sensor 201, are transmitted to a computer through an A/D conversion plate or a photoelectric encoder of a No. 2 servo motor through the A/D conversion plate, and are converted through parameters of a ball screw to obtain position data which is used as a feedback signal to carry out software comparison so as to control the servo motor to execute corresponding actions to complete horizontal servo force loading or deformation loading closed-loop control; the other path is torsion control: the acquisition code number of the torque sensor is transmitted to a computer or a photoelectric encoder installed under a torsion disc through an A/D conversion plate, the acquired code number is transmitted to the computer through the A/D conversion plate, and the converted corner data is used as a feedback signal to carry out software comparison so as to control a No. 1 servo motor to execute corresponding action to complete torque servo loading or torsion deformation loading closed-loop control.

The utility model discloses compare with current electroceramics turn round testing machine, control accuracy is high, the little energy consumption of noise is low, can also realize that the outage protects and carries the function, and measurement control unit operation is reliable, powerful, and data automatic acquisition such as load, displacement, deformation in the testing process, experimental curve is shown by the computer in real time and automatic processing, the storage of accomplishing experimental data, can print experimental report according to relevant standard.

Claims

1. Electromechanical servo electroceramics bending testing machine, its characterized in that: including testing machine body (1), testing machine body (1) including twisting the base, the base that twists reverse on be provided with and bear stand (109), bear stand (109) on set up vertical feed mechanism, vertical feed mechanism on be provided with transverse feed mechanism, the base that twists reverse fixed with the electroceramics bottom, the electroceramics top with transverse feed mechanism connect, realize the torsion and the bending test to the electroceramics.

2. The electromechanical servo electric porcelain bending and twisting testing machine according to claim 1, characterized in that: twist reverse the base including twisting workstation (101), twist reverse workstation (101) side-mounting have a servo motor (112) that provides torsional force, the main shaft of a servo motor (112) is in through first speed reducer and setting twist reverse the main shaft connection of chuck (102) on workstation (101), twist reverse chuck (102) with electroceramics bottom fixed connection.

3. The electromechanical servo electric porcelain bending and twisting testing machine according to claim 2, characterized in that: the torsion chuck (102) is provided with a T-shaped groove for fixedly connecting samples of different specifications and sizes.

4. The electromechanical servo electric porcelain bending and twisting testing machine according to claim 3, characterized in that: the longitudinal feeding mechanism comprises a movable cross beam (104), the movable cross beam (104) is transversely connected to the bearing upright post (109) in a sliding mode, a lifting screw rod (103) is vertically arranged on the bearing upright post (109), the lifting screw rod (103) is in threaded connection with the movable cross beam (104), and the top of the lifting screw rod (103) is connected with a power source through a second speed reducer (110).

5. The electromechanical servo electric porcelain bending and twisting testing machine according to claim 4, characterized in that: the transverse feeding mechanism comprises a bearing seat (107), the bearing seat (107) is connected to the movable beam (104) in a sliding mode, the bearing seat (107) is connected with a ball screw (108) in a threaded mode, the ball screw (108) is horizontally arranged, and one end of the ball screw (108) is connected with a second servo motor (111) arranged on the movable beam (104) in a matched mode.

6. The electromechanical servo electric porcelain bending and twisting testing machine according to claim 5, characterized in that: the servo control system (2) comprises a first servo controller (206) and a second servo controller (203), the first servo controller (206) and the second servo controller (203) are respectively connected with a computer (205) through a D/A conversion plate and a serial port, the second servo controller (203) is connected with the second servo motor (111), the second servo motor (111) is connected with the computer (205) through a second photoelectric encoder (202), the first servo controller (206) is connected with the first servo motor (112), the first servo motor (112) is connected with the computer (205) through a first photoelectric encoder (207), and the computer (205) is respectively connected with a radial force sensor (201) and a torque sensor (106) through an A/D conversion plate and a serial port, a bending moment loading head (105) is installed on one side of the spoke type force sensor (201), the other side of the spoke type force sensor (201) is installed on the bearing seat (107), the torque sensor (106) is installed at the lower end of the bearing seat (107), a twisting head is installed at the lower end of the torque sensor (106) and used for connecting the upper end of a test sample, and a printer (204) is connected to the computer (205).