CN210347118U

CN210347118U - Switch mechanical life test bench

Info

Publication number: CN210347118U
Application number: CN201921582331.5U
Authority: CN
Inventors: 李美敬; 张鹏; 解浩; 刘延苏; 刘娜
Original assignee: Shenyang Siwo Electrical Equipment Co ltd
Current assignee: Shenyang Siwo Electrical Equipment Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-17
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a test equipment field especially relates to a switch mechanical life test bench. The device comprises a supporting frame, a driving device and a control device, wherein a fixed pore plate is arranged on the supporting frame, the driving device is connected with a switch rotating shaft of a switch to be tested, and the switch rotating shaft is controlled to rotate in a reciprocating manner at 0-90 degrees, so that A, B, C, N phases of the switch to be tested and an auxiliary contact are controlled to perform switching-on or switching-off actions; the A, B, C, N phase, the auxiliary contact and the driving device are respectively connected with a counter. The test bed is simple and visual in structure, can effectively test the service life of the switch, and improves the quality of products.

Description

Switch mechanical life test bench

Technical Field

The utility model relates to a detection machine field especially relates to a switch mechanical life test bench.

Background

The product that uses in low-voltage apparatus generally all needs to carry out the switch machinery life test before leaving the factory, and effective audio-visual switch machinery life test will help improving switch quality, so need provide a simple automatic switch machinery life test device urgently.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a switch mechanical life test bench, the quilt be equipped with A, B, C, N looks and auxiliary contact on the switch, this test bench includes braced frame, is equipped with the fixed orifice plate of fixed quilt survey switch on this braced frame, still include a drive arrangement that can drive the switch pivot of quilt survey switch and carry out 0-90 degrees reciprocating rotation, drive arrangement choose revolving cylinder for use. The switch rotating shaft rotates clockwise or anticlockwise to control the switch to be tested to carry out switching-on or switching-off actions; if the tested switch is switched on, the A, B, C, N phase and the auxiliary contact carry out switching on; if the tested switch is opened, the A, B, C, N phase and the auxiliary contact are opened; the device also comprises 6 counters, wherein 5 counters are respectively connected with A, B, C, N phases of the switch to be tested and the auxiliary contact and are used for recording the action times of each phase; the 6 th counter is connected with the driving device and is used for recording the total action times.

Furthermore, a sliding table is arranged on the supporting frame, a sliding table assembly is fixed on the sliding table in a sliding mode, and the sliding table assembly is fixed after the position is adjusted; the rotary cylinder is fixed on the sliding table assembly, and the height of the rotary cylinder on the sliding table assembly can be adjusted so as to be matched with the position of the switch to be tested.

Furthermore, the sliding table assembly comprises a bottom plate and a vertical plate fixed on the bottom plate, and a plurality of strip holes with different heights are formed in two ends of the vertical plate; the cylinder is fixed on the cylinder board, is equipped with rectangular hole on the cylinder board equally, fixes the cylinder board on the different height of riser through the bolt to this height of adjusting the cylinder, matches each other with the position of being surveyed the switch.

Furthermore, the rotating shaft of the rotating cylinder and the rotating shaft of the switch to be tested are driven by a connecting sleeve, one end of the connecting sleeve is fixed on the rotating shaft of the cylinder, and the other end of the connecting sleeve is sleeved outside the rotating shaft of the switch.

Furthermore, the switch pivot for the design of cuboid square shaft, correspond simultaneously and match on a connecting sleeve terminal surface and be equipped with the square hole recess and cup joint the screens.

Further, the electromagnetic valve controls the forward rotation or reverse rotation of the rotary cylinder; a timer is correspondingly arranged on the supporting frame and used for transmitting control signals for the electromagnetic valve.

Furthermore, the support frame is formed by welding angle steel and is designed by 8 columns to ensure the aim of stability in test vibration. The four bottom feet of the supporting frame are provided with the trundles, so that the test bed can move in any direction without restriction and can be locked at any time, the test bed is not restricted by the field, and the space and the time are saved.

The utility model discloses technical scheme's advantage lies in: the mechanical life test bench can realize the mechanical life test of the switch to be tested. For the test of the service life of the tested switch, the switch can be installed through hole positions and matched with the sliding table through the rotary cylinder, and free butt joint is achieved. In the test, the switch rotating shaft does reciprocating motion of 0-90 degrees, so that the purpose of the test is achieved. The test bench can be moved in any direction by mounting the caster wheels, and can be locked at any time. The device is not restricted by the field, and the space and the time are effectively saved. The adjustable opening and closing time can be realized, the action times A, the action times B, the action times C, the action times N, the action times of the auxiliary contact and the total action times are respectively recorded, the test is simple and visual, the service life of the switch can be effectively tested, and the product quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical life test bed.

Fig. 2 is an isometric view of a mechanical life test rig.

FIG. 3 is a diagram illustrating an exemplary process for implementing a mechanical life stage.

Fig. 4 is a schematic view of the installation position of the switch to be tested on the mechanical life stage.

FIG. 5 is a partial view of a mechanical life stage cylinder mounting location.

FIG. 6 is a partial view of an embodiment of a mechanical life stage.

In the figure: the device comprises a frame 1, a tray 2, a hole plate 3, a connecting sleeve 4, a cylinder 5, a cylinder plate 6, a sliding table assembly 7, a bottom plate 8, a sliding table 9, trundles 10, a trundle 11, a timer 12, a counter 13 and a hand rocker 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a switch mechanical life test bench, the switch of being surveyed on be equipped with A, B, C, N looks and auxiliary contact, be equipped with the switch pivot on the switch of being surveyed, the action number of times of A, B, C, N looks and auxiliary contact is in order to realize experimental purpose mainly used to this test bench.

The test bed comprises a supporting frame 1, a fixed pore plate 3 for fixing a switch to be tested is arranged on the supporting frame 1, and the test bed further comprises a driving device, wherein the driving device selects a rotary cylinder 5, the rotary cylinder 5 is connected with a switch rotating shaft on the switch to be tested, and the switch rotating shaft is driven to rotate in a reciprocating manner by 0-90 degrees so as to control the switching-off or switching-on of the switch to be tested, namely, the clockwise rotation or the anticlockwise rotation controls the switching-on or switching-off of the switch to be tested; if the tested switch is switched on, the A, B, C, N phase and the auxiliary contact carry out switching on; if the tested switch is opened, the A, B, C, N phase and the auxiliary contact are opened; the device also comprises 6 counters 12, wherein 5 counters 12 are respectively connected with A, B, C, N phases of the switch to be tested and an auxiliary contact and are used for recording the action times of each phase; a further counter 12 is connected to the rotary cylinder 5 for recording the total number of rotary movements of the rotary cylinder 5.

In order to conveniently and freely butt-joint with the front and the back of the switch, a sliding table 9 is arranged on the supporting frame 1, the sliding table 9 is fixed on the supporting frame through a bottom adapter plate, the adapter plate is fixed through screws and nuts, the sliding table 9 is installed on the adapter plate, and the sliding table 9 is convenient to install due to the design of the adapter plate. A sliding table 9 assembly is fixed on the sliding table 9 in a sliding way; the rotary cylinder 5 is fixed on the sliding table 9 assembly, and the height of the rotary cylinder on the sliding table 9 assembly can be adjusted so as to be matched with the position of the switch to be tested. The slipway 9 assembly comprises a bottom plate 8, the slipway 9 part is convenient to mount by the design of the bottom plate 8, and a vertical plate welded and fixed on the bottom plate 8. The sliding of the sliding table 9 assembly on the sliding table 9 can be realized by the following modes: mode one, can be equipped with the slider at the back of bottom plate 8, the corresponding spout that is equipped with on slip table 9 upper surface, this slip table 9's locking can be through following realization: specifically, a long slot hole is respectively arranged at the position of the sliding table 9 corresponding to the bottom plate 8 up and down, and a bolt penetrates through the two long slot holes and is fastened through the bolt after the bottom plate 8 slides to a proper position. The second method comprises the following steps: can be equipped with the lead screw on slip table 9, be equipped with the slide that has the nut corresponding at 8 backs of bottom plate, the lead screw passes the nut, is fixed with hand rocker 13 on keeping away from the lead screw of being surveyed the switch end, through clockwise or anticlockwise shaking hand rocker 13, and then drives sliding assembly 7 and slide around on slip table 9.

A plurality of strip holes with different heights are arranged at the two ends of the vertical plate; the rotary cylinder 5 is fixed on the cylinder plate 6, the cylinder plate 6 is also provided with a long hole, the cylinder plate 6 is fixed on different heights of the vertical plate through bolts, so that the height of the cylinder 5 is adjusted, and the cylinder 5 is matched with the position of the switch to be tested. The design of the long hole of the sliding table 9 component is convenient for the air cylinder 5 to be installed and adjusted up and down, and is convenient for butt joint with a switch.

In order to better control the switch to be tested through the cylinder 5, a connecting sleeve 4 is arranged between the rotating shaft of the cylinder 5 of the rotary cylinder and the rotating shaft of the switch to be tested for transmission, one end of the connecting sleeve 4 is fixed on the rotating shaft of the cylinder, and the other end of the connecting sleeve is sleeved outside the rotating shaft. The switch pivot for cuboid column square shaft design, correspond simultaneously and match on 4 terminal surfaces of adapter sleeve and be equipped with the square hole recess and cup joint the screens.

As the improvement of the scheme, an upper layer tray 2 and a lower layer tray 2 are arranged on the upper end face of the supporting frame 1, and the trays 2 are convenient for placing parts in test installation and placing some spare parts in tests.

The mechanical life test bed utilizes the linkage of the timer 11, the electromagnetic valve, the air cylinder 5 and the counter 12, can automatically test the mechanical life and record the action times, and the action time is adjustable. Here the solenoid valve controls the rotation of the rotary cylinder 5 in the forward direction or in the reverse direction; a timer 11 is correspondingly arranged on the supporting frame 1 and used for transmitting control signals for the electromagnetic valve. The timer 11 has two adjustable times, one is the closing time of the output contact of the timer 11, and the other is the opening time of the output contact of the timer 11; when the timer 11 is powered on, the timer 11 starts to time, the output contact is closed after the set time is counted, the electromagnetic valve is powered on, the cylinder 5 is controlled to rotate in one direction, and therefore the switch-on (or switch-off) of the switch to be tested is controlled, and each counter 12 records one action; when the output contact of the timer 11 is closed, the timer 11 starts to count the next group of time, the output contact is disconnected after the set time is counted, the electromagnetic valve is de-energized, the control cylinder 5 rotates in the opposite direction, and therefore the switch-off (or switch-on) of the switch to be detected is controlled, and at the moment, each counter 12 does not record. The counter 12 is connected with the tested product, can be freely connected according to needs and is used for recording the action times of a certain part of the tested product. The 6 selected counters 12 do not need independent power supply, have a power failure maintaining function, can continuously display the times, and can clearly display the times without power on.

Before the mechanical life test stand is installed, the manual slide table 9 is moved to the rightmost end position (the maximum distance of the slide table 9) shown in fig. 3 and locked. Then the switch to be tested is arranged at the center of the pore plate 3 shown in figure 4 relative to the center of the sliding table 9 and is fixed by bolts, nuts and gaskets. A connecting sleeve 4 is prepared and is arranged on the switch to be tested. Fig. 5 shows the cylinder 5 mounted on the slide table 9, and the bolt, nut, and washer are temporarily fixed. At this time, the locking switch of the manual sliding table 9 is opened to move the sliding table 9, and the rotating shaft of the air cylinder 5 is aligned with the joint of the connecting sleeve 4 in the sliding process. If the alignment is not achieved, the bolt and the nut of the air cylinder 5 can be manually adjusted (the bolt and the nut are not locked and can be adjusted at any time) as shown in fig. 6, the sliding table 9 is adjusted until the position 2-3mm away from the square shaft of the switch to be measured of the connecting sleeve 4 and the position 2-3mm away from the rotating shaft of the air cylinder 5 of the air cylinder are stopped. And finally, performing a test after locking.

This braced frame 1 angle steel welding forms to by the design of 8 stands, stable purpose in the assurance test vibrations. Four footing at this braced frame 1 are equipped with truckle 10, also can have 8 supporting legss in braced frame 1 lower part design for the equilibrium is good, and a universal truckle is all connected to every supporting legs, and this truckle has the locking function, guarantees that test bench can any orientation unconstrained removal and can lock at any time, does not receive the place constraint, saves space and time.

The mechanical life test bed adopts an AC220V civil three-pin power supply to supply power, the power line is connected with the equipment by a plug terminal, the movement is convenient, and power supplies such as a wall and the like can be used for supplying power at any time and any place; an AC220V/DC24V tested switching power supply is arranged inside, AC220V is converted into DC24V safe voltage to supply power for a control system of the device, and all metal parts are grounded safely and reliably, so that the safety of testers is guaranteed. The main power switch adopts a double-breakpoint self-locking switch with an indicator light, and simultaneously cuts off L, N power supply, so that the safety of maintenance personnel is ensured; the indicator light is lighted when the power supply is switched on, and is extinguished when the power supply is switched off, so that an operator can visually judge the power-on and power-off state of the equipment. Meanwhile, an action indicating lamp is arranged on the electromagnetic valve, the lamp is lightened when the electromagnetic valve is electrified and is extinguished when the electromagnetic valve is powered off, and the working state of the electromagnetic valve can be clearly shown.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a switch mechanical life test bench which characterized in that: the device comprises a supporting frame, a driving device and a control device, wherein a fixed pore plate is arranged on the supporting frame, the driving device is connected with a switch rotating shaft of a switch to be tested, and the switch rotating shaft is controlled to rotate in a reciprocating manner at 0-90 degrees, so that A, B, C, N phases of the switch to be tested and an auxiliary contact are controlled to perform switching-on or switching-off actions; the A, B, C, N phase, the auxiliary contact and the driving device are respectively connected with a counter.

2. A switch mechanical life test stand according to claim 1, characterized in that: a sliding table is arranged on the supporting frame, and a sliding table component can be fixed on the sliding table in a sliding way; the driving device adopts a rotary cylinder which is fixed on the sliding table assembly and is adjustable in height on the sliding table assembly.

3. A switch mechanical life test stand according to claim 2, characterized in that: the sliding table assembly comprises a bottom plate and a vertical plate fixed on the bottom plate, and a plurality of strip holes with different heights are formed in two ends of the vertical plate; the cylinder is fixed on the cylinder board, is equipped with rectangular hole on the cylinder board equally, and the cylinder board passes through the bolt fastening on the riser.

4. A switch mechanical life test stand according to claim 2, characterized in that: the rotating cylinder rotating shaft and the switch rotating shaft to be tested are driven by a connecting sleeve, one end of the connecting sleeve is fixed on the cylinder rotating shaft, and the other end of the connecting sleeve is sleeved outside the switch rotating shaft.

5. A switch mechanical life test stand according to claim 4, characterized in that: the switch pivot for cuboid column square shaft design, correspond simultaneously and match on a connecting sleeve terminal surface and be equipped with the square hole recess and cup joint the screens.

6. A switch mechanical life test stand according to claim 2, characterized in that: the electromagnetic valve is used for controlling the forward rotation or the reverse rotation of the rotary cylinder; a timer is correspondingly arranged on the supporting frame and used for transmitting control signals for the electromagnetic valve.