CN110544407B

CN110544407B - Training device for vocational skill training

Info

Publication number: CN110544407B
Application number: CN201910868735.9A
Authority: CN
Inventors: 魏丹; 贾荟; 舒斌; 陈婷婷; 赵景杰; 周倜
Original assignee: ZHUMADIAN VOCATIONAL AND TECHNICAL COLLEGE
Current assignee: ZHUMADIAN VOCATIONAL AND TECHNICAL COLLEGE
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-04-16
Anticipated expiration: 2039-09-16
Also published as: CN110544407A

Abstract

The invention discloses a practical training device for vocational education and training, which comprises a control console, a mounting frame, a mounting plate, a wiring board, an electronic instrument module for practical training and a socket board, wherein the control console is mounted at the lower end of the mounting frame, a module mounting grid with one open side and formed by a partition plate, a baffle plate and the mounting plate is arranged at the upper end of the mounting frame, the electronic instrument module for practical training is arranged in the module mounting grid, the electronic instrument module for practical training is electrically connected with the control console through a conductive component and a cable on the wiring board, the lower end of the wiring board is mounted on the socket board, and the socket board is mounted on the mounting frame. The invention has convenient assembly, greatly facilitates the maintenance of equipment by using units, and simultaneously eliminates the trouble that cables inside the equipment are wound and are not easy to comb.

Description

Training device for vocational skill training

Technical Field

The invention relates to the field of practical training devices. In particular to a training device for vocational skill training.

Background

The training is to train students or new employees by simulating actual working environment, so that the students or new employees can combine learning theory with practice, and the occupational quality of the students or new employees is comprehensively improved. And each electric load of real device of instructing that current links together through various cables usually, need pull out various plugs of inserting at the dismouting in-process, connects the cable mistake very easily, and many cables twine together easily moreover, are not convenient for instruct the maintenance of device in fact, still are not convenient for simultaneously instruct electronic instrument module on the device to change the installation to instructing the maintenance of device in fact

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to provide the practical training device for the vocational education and training, which is convenient to assemble, greatly facilitates the maintenance of a user unit on equipment, and simultaneously eliminates the trouble that cables in the equipment are wound and are not easy to comb.

In order to solve the technical problems, the invention provides the following technical scheme:

a practical training device for vocational education and training comprises a control console, a mounting frame, a mounting plate, a wiring board, an electronic instrument module for practical training and a socket board, wherein the control console is mounted at the lower end of the mounting frame; the conductive component comprises a conductive metal cylinder, a first plug connector and a second plug connector, and the side wall of the conductive metal cylinder is provided with more than or equal to 2 limiting holes; the first plug connector comprises a first metal spring piece, a first metal column for conduction and a binding post, wherein the side wall of the first metal column for conduction is provided with more than or equal to 2 first guide grooves, the length direction of which is parallel to the length direction of the first metal column for conduction, the second end of the binding post is fixedly connected with the first end of the first metal column for conduction, the first end of the first metal spring piece is connected with the side wall of the first guide groove, and the length direction of the first metal spring piece is parallel to the length direction of the first guide groove; the second plug connector comprises an insulating column, a second metal spring piece, a third metal spring piece and a second metal column for conduction, the second metal column for conduction side wall is provided with a second guide groove and a third guide groove along the axial direction of the second metal column for conduction, the second guide groove is in with the third guide groove, the second metal column for conduction is provided with a gap in the axial direction, the second metal column for conduction side wall is provided with more than or equal to 2 in the same circumferential direction, the second guide groove is more than or equal to 2, the third guide groove is provided with a second end fixedly connected with the first end of the second metal column for conduction, the first end of the second metal spring piece is connected with the side wall of the second guide groove, the length direction of the second metal spring piece is parallel to the length direction of the second guide groove, the first end of the third metal spring piece is connected with the side wall of the third guide groove, and the length direction of the third metal spring piece is parallel to the length direction of the third guide groove The length directions are parallel; the first metal spring piece, the second metal spring piece and the third metal spring piece are arc-shaped spring pieces which are arc-shaped in the length direction; when the console, the practical training electronic instrument module, the mounting plate, the wiring board and the socket board are mounted on the mounting frame, when the console is electrically connected with the conductive metal cylinder mounted on the socket board through the first plug connector, the console is electrically connected with the binding post, the first conductive metal column is inserted into the first end of the conductive metal cylinder and is electrically connected with the conductive metal cylinder, the first metal spring piece is clamped in the limiting hole, when the conductive metal cylinder mounted on the socket board is electrically connected with a cable on the wiring board through the second plug connector and the conductive metal cylinder mounted on the wiring board, the second end of the second conductive metal column is inserted into the second end of the conductive metal cylinder mounted on the socket board and is electrically connected with the conductive metal cylinder mounted on the socket board, the third metal spring plate is clamped in the limiting hole on the metal conductive cylinder arranged on the socket plate, the first end of the second metal conductive column is inserted into the metal conductive cylinder arranged on the wiring board and is electrically connected with the metal conductive cylinder arranged on the wiring board, the metal conductive cylinder arranged on the wiring board is electrically connected with a cable on the wiring board, the second metal spring plate is clamped in the limiting hole on the metal conductive cylinder arranged on the wiring board, when the cable on the wiring board is electrically connected with the electronic instrument module for practical training through the second plug connector, the metal conductive cylinder arranged on the wiring board, the metal conductive cylinder arranged on the mounting board and the first plug connector, the electronic instrument module for practical training is electrically connected with the binding post, the first metal column for conduction is inserted into and mounted on the mounting plate in a first end of the metal tube for conduction and is electrically connected to the metal tube for conduction mounted on the mounting plate, the first metal leaf spring is caught in the stopper hole of the metal tube for conduction mounted on the mounting plate, the second metal column for conduction in a second end of the metal tube for conduction mounted on the mounting plate in a second end of the metal tube for conduction and is electrically connected to the metal tube for conduction mounted on the mounting plate, the third metal leaf spring is caught in the stopper hole of the metal tube for conduction mounted on the mounting plate, the first end of the second metal column for conduction is inserted into and mounted on the wiring plate in the metal tube for conduction and is electrically connected to the metal tube for conduction mounted on the wiring plate, and the metal tube for conduction mounted on the wiring plate is electrically connected to the cable on the wiring plate, the second metal spring piece is locked in the limit hole on the conductive metal cylinder mounted on the wiring board.

Above-mentioned vocational skill education training is with real device of instructing, be equipped with on the first guide way second end cell wall and run through first guide way cell wall and axial with the first guiding hole of first for the electric conduction metal post axial direction parallel, first metal spring leaf second end is established in the first guiding hole, will first for the electric conduction metal post second end inserts during the metal cylinder for the electric conduction, first metal spring leaf second end is followed first for the electric conduction metal post axial displacement and business turn over first guiding hole.

Above-mentioned practical training device is used in vocational skill education training is located the second guide way with between the third guide way be equipped with on the second metal post for the conduction lateral wall with the coaxial annular groove of metal post for the second conduction, be equipped with on the second guide way second end cell wall and run through the second guide way cell wall with annular groove cell wall and axial with the second metal post for the conduction axially parallel's second guiding hole, second metal spring piece second end is established in the second guiding hole, will the second metal post for the conduction first end inserts during the metal cylinder for the conduction, second metal spring piece second end is followed metal post for the second conduction axially movable and business turn over the second guiding hole.

Above-mentioned vocational skill education training is with real device of instructing, be equipped with on the third guide way second end cell wall and run through third guide way cell wall and axial with the second is the third guiding hole of metal post axial direction parallel for the electric conduction, third metal spring leaf second end is established in the third guiding hole, will the second is the electric conduction insert with metal post second during the metal cylinder for the electric conduction, third metal spring leaf second end is followed metal post axial displacement and business turn over for the electric conduction the third guiding hole.

In the practical training device for vocational education and training, the thickness of the first metal spring piece is equal to the depth of the first guide groove; the thickness of the second metal spring piece is equal to the depth of the second guide groove; the thickness of the third metal spring piece is equal to the depth of the third guide groove.

Above-mentioned vocational education training is with real device of instructing, be equipped with the installation through-hole on the mounting panel, coaxial arrangement has in the installation through-hole a metal cylinder for the electric conduction, the length of a metal cylinder for the electric conduction with the length of installation through-hole equals.

According to the practical training device for the vocational education and training, the wiring board is provided with the T-shaped hole, and the conductive metal cylinder arranged on the wiring board is arranged in the through hole with the smaller hole diameter in the T-shaped hole; when the first end of the second metal column for electric conduction is inserted into the metal cylinder for electric conduction installed on the wiring board, the second end of the insulating column is arranged in the through hole with the larger aperture of the T-shaped hole.

The practical training device for the vocational skill education training comprises a wiring board and a second wiring board, wherein the cable on the wiring board is arranged between the first wiring board and the second wiring board.

According to the practical training device for the vocational education and training, the first wiring board is provided with the first through hole, and the second wiring board is provided with the second through hole; when the first wiring board and the second wiring board are assembled, the first through hole and the second through hole which are adjacent to each other are coaxially arranged.

Above-mentioned practical training device is used in vocational education training, the diameter of second through-hole is greater than the diameter of first through-hole.

The technical scheme of the invention achieves the following beneficial technical effects:

1. the cable that utilizes the wiring board will supply power and communicate is centralized management, can avoid many cables to entangle together, not only can avoid the cable because of the insulating skin damage that entangles emergence together, can also reduce many cables because the winding together and insulating skin fracture and the possibility that takes place the short circuit has ensured the safety of using electricity.

2. The practical training electronic instrument module is quickly mounted and dismounted by utilizing the first plug connector, the second plug connector and the conductive metal cylinder, and the practical training electronic instrument module is greatly convenient to dismount from the device for overhauling.

Drawings

Fig. 1 is a schematic perspective view of a practical training device for vocational education and training of the invention;

FIG. 2 is a schematic structural diagram of the practical training device for vocational education and training of the invention

FIG. 3 is a schematic view of the structure of FIG. 2 taken from A-A;

FIG. 4 is a schematic structural diagram of a first plug-in connector of the practical training device for vocational education and training of the invention;

FIG. 5 is a schematic perspective view of a first plug-in connector of the practical training apparatus for vocational education and training of the invention;

FIG. 6 is a schematic structural diagram of a second plug-in connector of the practical training device for vocational education and training of the invention;

FIG. 7 is a schematic perspective view of a second plug-in connector of the practical training apparatus for vocational education and training of the invention;

FIG. 8 is a schematic structural diagram of a conductive metal cylinder of the practical training device for vocational education and training of the invention mounted on a mounting plate;

FIG. 9 is a schematic structural view of a conductive metal tube of the training apparatus for vocational education and training according to the present invention mounted on a wiring board;

fig. 10 is a schematic structural diagram of an electronic instrument device (provided with a first plug connector) for practical training of the practical training device for vocational education and training of the invention.

The reference numbers in the figures denote: 1-a console; 2-training an electronic instrument module; 3-a separator; 4-a baffle plate; 5-mounting a frame; 6, mounting a plate; 7-wiring board, 7-1-first wiring board, 7-2-second wiring board; 8-socket board; 9-installing a through hole; 10-a terminal post; 11-a first guide groove; 12-a first metal spring leaf; 13-a first conductive metal post; 14-a first pilot hole; 15-a metal cylinder for electrical conduction; 16-a limiting hole; 17-an insulating column; 18-a second metal spring plate; 19-a second guide groove; 20-a third metal spring leaf; 21-a second conductive metal pillar; 22-an annular groove; 23-a third guide groove; 24-a second pilot hole; 25-a third pilot hole; 26-a second via; 27-first plug connector.

Detailed Description

As shown in fig. 1 to 3 and 10, the electronic instrument module for training comprises a console 1, a mounting frame 5, a mounting plate 6, a wiring board 7, an electronic instrument module for training 2 and a socket plate 8, wherein the console 1 is mounted at the lower end of the mounting frame 5, a module mounting grid with one open side and surrounded by a partition plate 3, a baffle plate 4 and the mounting plate 6 is arranged at the upper end of the mounting frame 5, the electronic instrument module for training 2 is arranged in the module mounting grid, the electronic instrument module for training 2 is electrically connected with the console 1 through a conductive member and a cable on the wiring board 7, the lower end of the wiring board 7 is mounted on the socket plate 8, and the socket plate 8 is mounted on the mounting frame 5.

In this embodiment, as shown in fig. 4 to 9, the conductive member includes a conductive metal cylinder 15, a first plug connector 27, and a second plug connector, and 4 limiting holes 16 are formed in a side wall of the conductive metal cylinder 15; the first plug connector 27 comprises a first metal spring piece 12, a first metal column 13 for conducting and a binding post 10, wherein 4 first guide grooves 11 with the length direction parallel to the length direction of the first metal column 13 for conducting are arranged on the side wall of the first metal column 13 for conducting, the second end of the binding post 10 is fixedly connected with the first end of the first metal column 13 for conducting, the first end of the first metal spring piece 12 is connected with the side wall of the first guide groove 11, and the length direction of the first metal spring piece 12 is parallel to the length direction of the first guide groove 11; the second plug connector comprises an insulating column 17, a second metal spring piece 18, a third metal spring piece 20 and a second metal column 21 for conducting, a second guide groove 19 and a third guide groove 23 are axially arranged on the side wall of the second metal column 21 for conducting along the second metal column 21 for conducting, a gap is axially arranged on the second metal column 21 for conducting by the second guide groove 19 and the

third guide groove

23, 4

second guide grooves

19 and 4 third guide grooves 23 are circumferentially arranged on the side wall of the second metal column 21 for conducting, the second end of the insulating column 17 is fixedly connected with the first end of the second metal column 21 for conducting, the first end of the second metal spring piece 18 is connected with the side wall of the second guide groove 19, and the length direction of the second metal spring piece 18 is parallel to the length direction of the second guide groove 19, the first end of the third metal spring piece 20 is connected with the side wall of the third guide groove 23, and the length direction of the third metal spring piece 20 is parallel to the length direction of the third guide groove 23; the first metal spring plate 12, the second metal spring plate 18 and the third metal spring plate 20 are all arc-shaped spring plates which are arc-shaped in the length direction; the utility model discloses a socket board for real standard electronic instrument and meter module 2, mounting panel 6, wiring board 7 and socket board 8 are installed when on mounting bracket 5, when control cabinet 1 passes through first plug connector 27 with install on socket board 8 when metal tube 15 for the electric conduction is connected, control cabinet 1 with terminal 10 electricity is connected, first metal post 13 for the electric conduction inserts in metal tube 15 for the electric conduction first end and with metal tube 15 for the electric conduction is connected, first metal spring leaf 12 card is in spacing hole 16, when installing on socket board 8 metal tube 15 for the electric conduction passes through the second plug connector with install on wiring board 7 metal tube 15 for the electric conduction with when the cable on wiring board 7 is connected, second metal post 21 for the second end insert install on socket board 8 in metal tube 15 for the electric conduction second end and with the metal tube 15 for the electric conduction second end The conductive metal tube 15 mounted on the socket board 8 is electrically connected, the third metal leaf spring 20 is fitted in the stopper hole 16 of the conductive metal tube 15 mounted on the socket board 8, the first end of the second conductive metal post 21 is inserted in the conductive metal tube 15 mounted on the wiring board 7 and is electrically connected to the conductive metal tube 15 mounted on the wiring board 7, the conductive metal tube 15 mounted on the wiring board 7 is electrically connected to the cable on the wiring board 7, the second metal leaf spring 18 is fitted in the stopper hole 16 of the conductive metal tube 15 mounted on the wiring board 7, and when the cable on the wiring board 7 passes through the second connector, the conductive metal tube 15 mounted on the wiring board 7, the conductive metal tube 15 mounted on the mounting board 6, the first connector 27, and the practical electronic instrument and meter, the practical training device and meter When the module 2 is electrically connected, the practical training electronic instrument module 2 is electrically connected with the binding post 10, the first conductive metal column 13 is inserted into and installed on the installation plate 6 in the first end of the conductive metal cylinder 15 and is installed on the installation plate 6, the conductive metal cylinder 15 is electrically connected, the first metal spring leaf 12 is clamped on and installed on the installation plate 6 in the limiting hole 16 of the conductive metal cylinder 15, the second conductive metal column 21 is inserted into and installed on the installation plate 6 in the second end of the conductive metal cylinder 15 and is electrically connected with the conductive metal cylinder 15 installed on the installation plate 6, the third metal spring leaf 20 is clamped on and installed on the installation plate 6 in the limiting hole 16 of the conductive metal cylinder 15, the first end of the second conductive metal column 21 is inserted into and installed on the wiring board 7 in the conductive metal cylinder 15 and is installed on the wiring board 7 The conductive metal tube 15 on the wiring board 7 is electrically connected, the conductive metal tube 15 mounted on the wiring board 7 is electrically connected to a cable on the wiring board 7, and the second metal spring piece 18 is fitted in the stopper hole 16 of the conductive metal tube 15 mounted on the wiring board 7.

In order to facilitate the installation of the first connector 27, particularly to facilitate the deformation of the first metal spring plate 12, so as to facilitate the insertion of the first conductive metal post 13 into the conductive metal cylinder 15, in this embodiment, a first guide hole 14 penetrating through the wall of the first guide groove 11 and axially parallel to the first conductive metal post 13 is provided on the wall of the second end of the first guide groove 11, the second end of the first metal spring plate 12 is provided in the first guide hole 14, when the second end of the first conductive metal post 13 is inserted into the conductive metal cylinder 15, the second end of the first metal spring plate 12 moves axially along the first conductive metal post 13 and enters and exits the first guide hole 14, at this time, when the first metal spring plate 12 is pressed by the inner wall of the conductive metal cylinder 15, the second end of the first metal spring plate 12 is axially moved and away from the first guiding hole 14, when the first metal spring plate 12 enters the limiting hole 16 after the first metal spring plate 13 is inserted into the metal conductive cylinder 15 for a certain length, the first metal spring plate 12 starts to restore, and at this time, the second end of the first metal spring plate 12 is axially moved and close to the first guiding hole 14, and the arc top of the first metal spring plate 12 enters the limiting hole 16.

Similarly, an annular groove 22 coaxial with the second conductive metal post 21 is provided on the sidewall of the second conductive metal post 21 between the second guide groove 19 and the third guide groove 23, a second guide hole 24 penetrating the walls of the second guide groove 19 and the annular groove 22 and axially parallel to the second conductive metal post 21 is provided on the wall of the second end of the second guide groove 19, a second end of the second metal spring plate 18 is provided in the second guide hole 24, when the first end of the second conductive metal post 21 is inserted into the conductive metal barrel 15, the second end of the second metal spring plate 18 axially moves along the second conductive metal post 21 and enters and exits the second guide hole 24, a third guide hole 25 penetrating the wall of the third guide groove 23 and axially parallel to the second conductive metal post 21 is provided on the wall of the second end of the third guide groove 23, the second end of the third metal spring plate 20 is disposed in the third guide hole 25, and when the second end of the second conductive metal post 21 is inserted into the conductive metal cylinder 15, the second end of the third metal spring plate 20 moves in the axial direction of the second conductive metal post 21 and enters and exits the third guide hole 25. In order to facilitate the insertion of the first conductive metal post 13 and the second conductive metal post 21 into the conductive metal tube 15, the thickness of the first metal spring piece 12 is equal to the depth of the first guide groove 11; the thickness of the second metal spring piece 18 is equal to the depth of the second guide groove 19; the thickness of the third metal spring plate 20 is equal to the depth of the third guide groove 23.

As shown in fig. 8, the mounting plate 6 is provided with a mounting through hole 9, the conductive metal cylinder 15 is coaxially mounted in the mounting through hole 9, and the length of the conductive metal cylinder 15 is equal to that of the mounting through hole 9, so that the first metal spring piece 12 can be easily clamped into the limiting hole 16 when the first conductive metal column 13 is inserted into the conductive metal cylinder 15.

In order to facilitate the fixing of cables to the wiring board 7 and reduce the number of fixing buttons for fixing cables, in the present embodiment, as shown in fig. 9, the wiring board 7 includes a first wiring board 7-1 and a second wiring board 7-2, the cables on the wiring board 7 are disposed between the first wiring board 7-1 and the second wiring board 7-2, the first wiring board 7-1 is provided with a first through hole, and the second wiring board 7-2 is provided with a second through hole 26; when the first wiring board 7-1 and the second wiring board 7-2 are assembled, the first through hole and the second through hole 26 positioned adjacently are coaxially arranged, and the diameter of the second through hole 26 is larger than that of the first through hole, and when the second conductive metal post 21 is inserted into the conductive metal tube 15 mounted on the wiring board 7, the first end of the insulating post 17 is arranged in the second through hole 26.

When the practical training device for vocational education and training of the invention is assembled, the console 1 provided with the first plug connector 27 is firstly installed at the lower end of the installation frame 5, then the installation plate 6 provided with the metal tube 15 for electric conduction is installed at the upper end of the installation frame 5, then the clapboard 3 and the baffle 4 are installed on the installation frame 5, the clapboard 3, the baffle 4 and the installation plate 6 are used for enclosing the module installation lattice with one side open, then the practical training electronic instrument module 2 provided with the first plug connector 27 is placed in the module installation lattice, the first metal column 13 for electric conduction on the first plug connector 27 is inserted into the metal tube 15 for electric conduction which is installed on the installation plate 6 and is correspondingly positioned, and then the socket plate 8 provided with the metal tube 15 for electric conduction is installed at the lower end of the installation frame 5, and the first conductive metal column 13 of the first plug connector 27 installed on the console 1 is inserted into the conductive metal cylinder on the socket board 8, then the wiring board 7, on which cables are arranged according to design requirements, is installed on the socket board 8, and then the wiring board 7 is connected with the mounting board 6 and the socket board 8 by using the second plug connector, so that the communication connection and the power supply connection of the console 1 and the practical training electronic instrument module 2 are realized. And the insulating column 17 of the second plug connector can prevent the adverse effect on equipment caused by the fact that people touch the wiring part.

According to the invention, the communication and power supply between the practical training electronic instrument module 2 and the console 1 are realized by utilizing the first plug connector 27, the second plug connector, the conductive metal cylinder 15 and the cables on the wiring board 7, and the trouble that the serial number or color or position of the cable needs to be remembered when the practical training electronic instrument module 2 is replaced is reduced, so that a non-professional technician can replace and install the practical training electronic instrument module 2, the potential power utilization hazard caused by the winding of the cable can be avoided, and the cable can be prevented from being exposed to a mouse.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims

1. The practical training device for the vocational skill education and training is characterized by comprising a control console (1), a mounting rack (5), a mounting plate (6), a wiring board (7), an electronic instrument module (2) for practical training and a socket plate (8), wherein the control console (1) is mounted at the lower end of the mounting rack (5), a module mounting grid which is surrounded by a partition plate (3), a baffle plate (4) and the mounting plate (6) and has an opening one side is arranged at the upper end of the mounting rack (5), the electronic instrument module (2) for practical training is arranged in the module mounting grid, the electronic instrument module (2) for practical training is electrically connected with a cable arranged on the wiring board (7) through a conductive member and is electrically connected with the cable arranged on the wiring board (7), the cable arranged on the wiring board (7) is electrically connected with the control console (1), and the lower end of the wiring board (7) is mounted on the, the socket board (8) is arranged on the mounting rack (5); the conductive component comprises a conductive metal cylinder (15), a first plug connector (27) and a second plug connector, wherein the side wall of the conductive metal cylinder (15) is provided with more than or equal to 2 limiting holes (16); the first plug connector (27) comprises a first metal spring piece (12), a first conductive metal column (13) and a binding post (10), wherein the side wall of the first conductive metal column (13) is provided with more than or equal to 2 first guide grooves (11) of which the length directions are parallel to the length direction of the first conductive metal column (13), the second end of the binding post (10) is fixedly connected with the first end of the first conductive metal column (13), the first end of the first metal spring piece (12) is connected with the side wall of the first guide groove (11), and the length direction of the first metal spring piece (12) is parallel to the length direction of the first guide groove (11); the second plug connector comprises an insulating column (17), a second metal spring piece (18), a third metal spring piece (20) and a second metal column (21) for conduction, the second metal column (21) is arranged on the side wall of the second metal column (21) along the axial direction of the second metal column (21) for conduction, a second guide groove (19) and a third guide groove (23) are arranged in the axial direction of the second metal column (21), a gap is formed in the side wall of the second metal column (21) for conduction in the axial direction of the second metal column (19), the number of the second guide groove (19) is larger than or equal to 2, the number of the third guide groove (23) is larger than or equal to 2, the second end of the insulating column (17) is fixedly connected with the first end of the second metal column (21), the first end of the second metal spring piece (18) is connected with the side wall of the second guide groove (19), and the length direction of the second metal spring piece (18) is fixedly connected with the second metal column (21) The length directions of the two guide grooves (19) are parallel, the first end of the third metal spring piece (20) is connected with the side wall of the third guide groove (23), and the length direction of the third metal spring piece (20) is parallel to the length direction of the third guide groove (23); the first metal spring piece (12), the second metal spring piece (18) and the third metal spring piece (20) are arc-shaped spring pieces which are arc-shaped in the length direction; when the console (1), the practical training electronic instrument module (2), the mounting plate (6), the wiring board (7) and the socket board (8) are mounted on the mounting frame (5), when the console (1) is electrically connected with the conductive metal tube (15) mounted on the socket board (8) through the first plug connector (27), the console (1) is electrically connected with the wiring terminal (10), the first conductive metal column (13) is inserted into the first end of the conductive metal tube (15) and is electrically connected with the conductive metal tube (15), the first metal wiring board (12) is clamped in the limiting hole (16), when the conductive metal tube (15) mounted on the socket board (8) is electrically connected with a cable on the wiring board (7) through the second plug connector and the conductive metal tube (15) mounted on the wiring board (7), the second end of the second conductive metal post (21) is inserted into the second end of the conductive metal tube (15) mounted on the socket board (8) and electrically connected to the conductive metal tube (15) mounted on the socket board (8), the third metal spring piece (20) is caught in the catching hole (16) formed in the conductive metal tube (15) mounted on the socket board (8), the first end of the second conductive metal post (21) is inserted into the conductive metal tube (15) mounted on the wiring board (7) and electrically connected to the conductive metal tube (15) mounted on the wiring board (7), the conductive metal tube (15) mounted on the wiring board (7) is electrically connected to the cable on the wiring board (7), and the second metal spring piece (18) is caught in the catching hole (16) formed in the conductive metal tube (15) mounted on the wiring board (7) When, work as cable on wiring board (7) passes through the second plug connector, installs on wiring board (7) metal cylinder for the conduction (15), install metal cylinder for the conduction (15) on mounting panel (6) with first plug connector (27) with when instructing to use electronic instrument module (2) electricity to connect, instruct to use electronic instrument module (2) with terminal (10) electricity is connected, first metal post for the conduction (13) insert install on mounting panel (6) in metal cylinder for the conduction (15) first end and with install on mounting panel (6) metal cylinder for the conduction (15) electricity is connected, first metal spring piece (12) card is installed on mounting panel (6) metal cylinder for the conduction (15) spacing hole (16) in, second metal post for the conduction (21) second end insert install on mounting panel (6) the metal cylinder for the conduction (6) A metal tube (15) for electric use in the second end and electrically connected to the metal tube (15) for electric use mounted on the mounting plate (6), the third metal spring piece (20) is clamped in the limiting hole (16) on the conductive metal cylinder (15) arranged on the mounting plate (6), the second conductive metal post (21) has a first end inserted into the conductive metal tube (15) mounted on the wiring board (7) and electrically connected to the conductive metal tube (15) mounted on the wiring board (7), the conductive metal tube (15) mounted on the wiring board (7) is electrically connected to a cable on the wiring board (7), the second metal spring piece (18) is locked in the stopper hole (16) of the conductive metal tube (15) mounted on the wiring board (7).

2. The practical training device for the vocational education and training according to claim 1, wherein a first guide hole (14) which penetrates through the wall of the first guide groove (11) and is axially parallel to the first conductive metal column (13) is formed in the wall of the second end of the first guide groove (11), the second end of the first metal spring piece (12) is arranged in the first guide hole (14), and when the second end of the first conductive metal column (13) is inserted into the conductive metal cylinder (15), the second end of the first metal spring piece (12) axially moves along the first conductive metal column (13) and enters and exits the first guide hole (14).

3. The practical training device for the vocational education and training according to claim 1, wherein an annular groove (22) coaxial with the second conductive metal column (21) is formed in the side wall of the second conductive metal column (21) between the second guide groove (19) and the third guide groove (23), a second guide hole (24) penetrating through the groove wall of the second guide groove (19) and the groove wall of the annular groove (22) and axially parallel to the second conductive metal column (21) is formed in the second end wall of the second guide groove (19), the second end of the second metal spring piece (18) is arranged in the second guide hole (24), and when the first end of the second conductive metal column (21) is inserted into the conductive metal tube (15), the second end of the second metal spring piece (18) axially moves along the second conductive metal column (21) and enters and exits the second guide hole (24).

4. The practical training device for the vocational education and training according to claim 1, wherein a third guide hole (25) which penetrates through the wall of the third guide groove (23) and is axially parallel to the second conductive metal column (21) is formed in the wall of the second end of the third guide groove (23), the second end of the third metal spring piece (20) is arranged in the third guide hole (25), and when the second end of the second conductive metal column (21) is inserted into the conductive metal cylinder (15), the second end of the third metal spring piece (20) axially moves along the second conductive metal column (21) and enters and exits the third guide hole (25).

5. The practical training device for vocational education and training according to claim 1, wherein the thickness of the first metal spring plate (12) is equal to the depth of the first guide groove (11); the thickness of the second metal spring piece (18) is equal to the depth of the second guide groove (19); the thickness of the third metal spring piece (20) is equal to the depth of the third guide groove (23).

6. The practical training device for the vocational education and training according to any one of claims 1 to 5, wherein a mounting through hole (9) is formed in the mounting plate (6), the conductive metal cylinder (15) is coaxially mounted in the mounting through hole (9), and the length of the conductive metal cylinder (15) is equal to that of the mounting through hole (9).

7. The practical training device for the vocational education and training according to any one of claims 1 to 5, wherein a T-shaped hole is formed in the wiring board (7), and the conductive metal cylinder (15) mounted on the wiring board (7) is mounted in a through hole with a smaller diameter in the T-shaped hole; when the first end of the second metal column (21) for electric conduction is inserted into the metal cylinder (15) for electric conduction installed on the wiring board (7), the second end of the insulating column (17) is arranged in the through hole with larger aperture of the T-shaped hole.

8. The practical training device for vocational education and training according to any one of claims 1 to 5, wherein the wiring board (7) comprises a first wiring board (7-1) and a second wiring board (7-2), and the cable on the wiring board (7) is arranged between the first wiring board (7-1) and the second wiring board (7-2).

9. The practical training device for vocational education and training according to claim 8, wherein the first wiring board (7-1) is provided with a first through hole, and the second wiring board (7-1) is provided with a second through hole (26); when the first wiring board (7-1) and the second wiring board (7-2) are assembled, the first through hole and the second through hole (26) which are positioned adjacently are coaxially arranged.

10. The practical training device for vocational education and training according to claim 9, wherein the diameter of the second through hole (26) is larger than the diameter of the first through hole.