CN212992870U - Contactor test bed for overhauling high-voltage electric box in subway workshop - Google Patents

Abstract

The utility model belongs to the technical field of contactors, in particular to a contactor test bed for overhauling a high-voltage electric box in a subway workshop, which aims at solving the problem that after the existing test bed is used for a long time, a large amount of dust and impurities can be accumulated on a dust screen of the test bed, if the existing test bed can not be cleaned in time, the heat dissipation is easy to cause untimely heat dissipation, and the circuit board in the test bed is damaged due to overheating, the utility model provides a scheme which comprises a test bed shell, wherein the bottom of the test bed shell is fixedly connected with an operating platform, the bottom of the operating platform is fixedly connected with a storage box, the outer side of the storage box is provided with a hinge door, and the test bed shell is provided with a mounting groove, can seal the air-out opening through dustproof page or leaf, avoid getting into impurity such as dust through the air-out opening.

Description

Contactor test bed for overhauling high-voltage electric box in subway workshop

Technical Field

The utility model relates to a contactor technical field especially relates to a be used for subway workshop high voltage electric box to overhaul and use contactor test bench.

Background

The contactor is divided into an alternating current contactor (voltage AC) and a direct current contactor (voltage DC), is applied to electric power, power distribution and power utilization, and is an electric appliance for controlling a load by using a magnetic field generated by current flowing through a coil in industrial electricity to close a contact, when the contactor has a fault and needs to be maintained, a corresponding test bed is required to be used for testing the contactor at first, and the reason of the fault and the occurrence position of the fault are mainly detected;

the patent document with the publication number of CN208399122U discloses a contactor running-in test bed, which discloses and includes a test bed body, one side of the inside of the test bed body is provided with a temperature sensor, the opposite side of the inside of the temperature sensor is provided with a control chamber, the inside of the control chamber is provided with a controller, the outside of the test bed body is provided with a heat dissipation window, the outside of the heat dissipation window is provided with a dust screen, the inside one end of the heat dissipation window is provided with a cooling fan, the outside of the test bed body is provided with a control panel, the input end of the control panel is electrically connected with mains supply, and the output end of. The utility model has novel structure and ingenious design, can effectively dissipate heat inside the test bed body, is convenient for improving the service life of the whole body, can move, is convenient for improving the shock absorption performance of the whole body, and is simple and convenient;

however, after the test bed in the above patent document is used for a long time, a large amount of dust and impurities can be accumulated on the dust screen, and if the dust screen cannot be cleaned in time, heat dissipation is easily untimely, so that an internal circuit board of the test bed is damaged due to overheating, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current test bench and after long-term the use, can accumulate a large amount of dust impurity etc. on its dust screen, if can not in time clear up it, make the heat dissipation untimely easily, lead to the shortcoming of the overheated damage of test bench internal circuit board, and the contactor test bench for subway workshop high-voltage electric box overhauls that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a contactor test bed for overhauling a high-voltage electric box in a subway workshop comprises a test bed shell, wherein the bottom of the test bed shell is fixedly connected with an operation table, the bottom of the operation table is fixedly connected with a storage box, the outer side of the storage box is provided with a hinge door, a mounting groove is formed in the test bed shell, a circuit board is arranged in the mounting groove, a heat dissipation channel communicated with the mounting groove is formed in the test bed shell, the inner wall of the top of the heat dissipation channel is fixedly connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with a mounting frame, a motor is fixedly mounted in the mounting frame, a rotating shaft is welded on an output shaft of the motor, one end of the rotating shaft is fixedly connected with a fan blade, one side of the test bed shell is provided with an air inlet opening communicated with the heat dissipation channel, a filter, the rotating shaft is matched with the filter screen plate.

Preferably, a plurality of first rotary rods are installed to the opposite side fixedly connected with rectangle frame of test bench casing, the rectangle frame internal rotation, and the equal fixed cover in the outside of a plurality of first rotary rods is equipped with dustproof page or leaf, and dustproof page or leaf cooperatees with the flabellum, can blow dustproof page or leaf and drive first rotary rod and rotate when the flabellum drives the air current circulation.

Preferably, an annular chute is formed in the inner wall of the air inlet opening, a gear ring is slidably mounted in the annular chute, the gear ring fixing sleeve is arranged on the outer side of the filter screen plate, and the gear ring can drive the filter screen plate to rotate.

Preferably, one side of test bench casing has been seted up and has been accomodate the groove, accomodate inslot slidable mounting and have collected the box, accomodate the groove and seted up same collection dirt through-hole with one side that the air inlet opening is close to each other, fixedly connected with clearance brush on the bottom inner wall of air inlet opening, the clearance brush is located collection dirt through-hole directly over, and the clearance brush cooperatees with filter plate, the clearance brush can produce relative rotation with filter plate for the clearance brush can will filter the dust or the magazine etc. that filter off on the filter plate and sweep.

Preferably, set up the gear chamber of putting through mutually with annular sliding groove on the test bench casing, seted up the recess on heat dissipation channel's the top inner wall, same rotatory hole has been seted up to one side that gear chamber and recess are close to each other, and the second rotary rod is installed to rotatory downthehole internal rotation, and the one end of second rotary rod extends to gear intracavity and fixedly connected with gear, and the gear meshes with the ring gear mutually, and the gear can drive the ring gear and rotate and reduce rate.

Preferably, the other end of second rotary rod extends to in the recess and the first belt pulley of fixedly connected with, and the fixed cover in the outside of rotation axis is equipped with the second belt pulley, and the outside cover of first belt pulley and second belt pulley is equipped with same belt, and the second belt pulley can drive first belt pulley through the belt and rotate.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the gear is matched with the gear ring, the second belt pulley is matched with the first belt pulley through the belt, and the filter screen plate is matched with the cleaning brush, so that the rotating shaft drives the fan blades to rotate to radiate the heat inside the test bed shell, the rotating shaft indirectly drives the filter screen plate to rotate, the rotating speed is reduced, dust, impurities and the like on the filter screen plate can be swept down in time through the cleaning brush, and the filter screen plate is prevented from being blocked;

(2) according to the scheme, the first rotating rod is matched with the dustproof page, the dust collecting through hole is matched with the collecting box, so that the dust swept down by the cleaning brush can fall into the collecting box through the dust collecting through hole to be collected, the dustproof page is in a mutually closed state at ordinary times, the dust is prevented from entering the shell of the test bed, and the dustproof page can be blown up by airflow generated when the fan blades rotate, so that the purpose of airflow circulation is achieved;

the utility model discloses a contactor test bench can effectually dispel the heat to self when using, and can clear up filter plate in step to collecting the dust impurity that sweeps down, when not using, can seal the air-out opening through dustproof page or leaf simultaneously, avoid getting into impurity such as dust through the air-out opening.

Drawings

Fig. 1 is a schematic structural view of a contactor test bed for overhauling a high-voltage electric box in a subway workshop, which is provided by the utility model;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of a contactor test bed for overhauling a high-voltage electric box in a subway workshop, which is provided by the utility model;

fig. 3 is an enlarged schematic structural diagram of a contactor test bed for overhauling a high-voltage electric box in a subway workshop, which is shown at the position B in fig. 1;

fig. 4 is an enlarged schematic structural diagram of a contactor test bed for overhauling a high-voltage electric box in a subway workshop at the position C in fig. 1;

fig. 5 is an enlarged schematic structural diagram of a contactor test bed for overhauling a high-voltage electric box in a subway workshop at a position D in fig. 4, which is provided by the utility model;

fig. 6 is the utility model provides a be used for subway workshop high voltage electric box to overhaul with contactor test bench filter plate and ring gear connected's schematic structure.

In the figure: 1 test bench casing, 2 operation panels, 3 storage tanks, 4 hinge doors, 5 mounting grooves, 6 circuit boards, 7 heat dissipation channel, 8 connecting rods, 9 mounting brackets, 10 motors, 11 rotation axes, 12 flabellums, 13 air inlet openings, 14 filter screen boards, 15 air outlet openings, 16 rectangular frames, 17 first rotary rods, 18 dustproof pages, 19 annular chutes, 20 gear rings, 21 storage grooves, 22 collection boxes, 23 dust collection through holes, 24 cleaning brushes, 25 gear chambers, 26 grooves, 27 rotary holes, 28 second rotary rods, 29 gears, 30 first belt pulleys, 31 second belt pulleys, 32 belts.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-6, a contactor test bed for overhauling a high-voltage electric box in a subway workshop comprises a test bed shell 1, wherein the bottom of the test bed shell 1 is fixedly connected with an operation table 2, the bottom of the operation table 2 is fixedly connected with a storage box 3, the outer side of the storage box 3 is provided with a hinge door 4, the test bed shell 1 is provided with a mounting groove 5, a circuit board 6 is arranged in the mounting groove 5, the test bed shell 1 is provided with a heat dissipation channel 7 communicated with the mounting groove 5, the inner wall of the top of the heat dissipation channel 7 is fixedly connected with a connecting rod 8, the bottom end of the connecting rod 8 is fixedly connected with a mounting frame 9, a motor 10 is fixedly arranged in the mounting frame 9, a rotating shaft 11 is welded on an output shaft of the motor 10, one end of the rotating shaft 11 is fixedly connected with a fan blade 12, the filter screen plate 14 is rotatably installed in the air inlet port 13, the air outlet port 15 communicated with the heat dissipation channel 7 is formed in the other side of the test bed shell 1, and the rotating shaft 11 is matched with the filter screen plate 14.

In this embodiment, opposite side fixedly connected with rectangle frame 16 of test bench casing 1, a plurality of first rotary rods 17 are installed to the rotation in rectangle frame 16, and the fixed cover in the outside of a plurality of first rotary rods 17 all is equipped with dustproof page or leaf 18, and dustproof page or leaf 18 cooperatees with flabellum 12, can blow dustproof page or leaf 18 and drive first rotary rod 17 and rotate when flabellum 12 drives the air current circulation.

In this embodiment, an annular chute 19 has been seted up on the inner wall of air inlet port 13, and slidable mounting has ring gear 20 in the annular chute 19, and the fixed cover of ring gear 20 locates the outside of filtering net board 14, and ring gear 20 can drive filtering net board 14 and rotate.

In this embodiment, one side of test bench casing 1 has been seted up and has been accomodate groove 21, it has collection box 22 to accomodate slidable mounting in groove 21, it has seted up same dust collection through-hole 23 with the one side that air inlet opening 13 is close to each other to accomodate groove 21, fixedly connected with clearance brush 24 on the bottom inner wall of air inlet opening 13, clearance brush 24 is located dust collection through-hole 23 directly over, and clearance brush 24 cooperatees with filter plate 14, clearance brush 24 can produce relative rotation with filter plate 14, make clearance brush 24 can with filter plate 14 on sweep down dust or magazine etc. of crossing the filter.

In this embodiment, set up the gear chamber 25 that communicates with annular chute 19 on test bench casing 1, seted up recess 26 on the top inner wall of heat dissipation channel 7, same rotatory hole 27 has been seted up to one side that gear chamber 25 and recess 26 are close to each other, second rotary rod 28 is installed to rotatory 27 internal rotations, the one end of second rotary rod 28 extends to in the gear chamber 25 and fixedly connected with gear 29, gear 29 meshes with ring gear 20 mutually, gear 29 can drive ring gear 20 and rotate and reduce rate.

In this embodiment, the other end of the second rotating rod 28 extends into the groove 26 and is fixedly connected with a first belt pulley 30, a second belt pulley 31 is fixedly sleeved on the outer side of the rotating shaft 11, the same belt 32 is sleeved on the outer side of the first belt pulley 30 and the outer side of the second belt pulley 31, and the second belt pulley 31 can drive the first belt pulley 30 to rotate through the belt 32.

Example two

Referring to fig. 1-6, a contactor test bed for overhauling a high-voltage electric box in a subway workshop comprises a test bed shell 1, wherein the bottom of the test bed shell 1 is fixedly connected with an operation table 2 through a bolt, the bottom of the operation table 2 is fixedly connected with a storage box 3 through a bolt, the outer side of the storage box 3 is provided with a hinge door 4, the test bed shell 1 is provided with a mounting groove 5, a circuit board 6 is arranged in the mounting groove 5, the test bed shell 1 is provided with a heat dissipation channel 7 communicated with the mounting groove 5, the inner wall of the top of the heat dissipation channel 7 is fixedly connected with a connecting rod 8 through welding, the bottom end of the connecting rod 8 is fixedly connected with a mounting frame 9 through welding, a motor 10 is fixedly arranged in the mounting frame 9 through a bolt, an output shaft of the motor 10 is welded with a rotating shaft 11, one end of the rotating shaft 11 is fixedly connected with a fan blade, the filter screen plate 14 is rotatably installed in the air inlet port 13, the air outlet port 15 communicated with the heat dissipation channel 7 is formed in the other side of the test bed shell 1, and the rotating shaft 11 is matched with the filter screen plate 14.

In this embodiment, the opposite side of test bench casing 1 is through welded fastening connection with rectangle frame 16, and a plurality of first rotary rods 17 are installed to the 16 internal rotations of rectangle frame, and the outside of a plurality of first rotary rods 17 all is equipped with dustproof page or leaf 18 through the fixed cover of welding, and dustproof page or leaf 18 cooperatees with flabellum 12, can blow dustproof page or leaf 18 and drive first rotary rod 17 and rotate when flabellum 12 drives the air current circulation.

In this embodiment, an annular chute 19 has been seted up on the inner wall of air inlet port 13, and slidable mounting has ring gear 20 in the annular chute 19, and ring gear 20 fixes the cover through the welding and locates the outside of filtering net plate 14, and ring gear 20 can drive filtering net plate 14 and rotate.

In this embodiment, one side of test bench casing 1 has been seted up and has been accomodate groove 21, it has collection box 22 to accomodate slidable mounting in groove 21, it has seted up same collection dirt through-hole 23 with the one side that air inlet opening 13 is close to each other to accomodate groove 21, through welded fastening connection clearance brush 24 on the bottom inner wall of air inlet opening 13, clearance brush 24 is located collection dirt through-hole 23 directly over, and clearance brush 24 cooperatees with filter plate 14, clearance brush 24 can produce relative rotation with filter plate 14, make clearance brush 24 can with filter plate 14 on sweep down such as dust or magazine of crossing the filter.

In this embodiment, set up the gear chamber 25 of putting through mutually with annular spout 19 on test bench casing 1, seted up recess 26 on the top inner wall of heat dissipation channel 7, same rotatory hole 27 has been seted up to one side that gear chamber 25 and recess 26 are close to each other, second rotary rod 28 is installed to rotatory hole 27 internal rotation, the one end of second rotary rod 28 extends to in the gear chamber 25 and through welded fastening be connected with gear 29, gear 29 meshes with ring gear 20 mutually, gear 29 can drive ring gear 20 and rotate and reduce rate.

In this embodiment, the other end of the second rotating rod 28 extends into the groove 26 and is fixedly connected with a first belt pulley 30 by welding, the outer side of the rotating shaft 11 is provided with a second belt pulley 31 by welding, the outer side of the first belt pulley 30 and the outer side of the second belt pulley 31 are provided with a same belt 32 in a sleeved mode, and the second belt pulley 31 can drive the first belt pulley 30 to rotate through the belt 32.

In this embodiment, when the testing device is used, the motor 10 is started, the output shaft of the motor 10 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the fan blade 12 to rotate, the fan blade 12 rotates and drives the air flow to circulate, the air flow enters through the air inlet port 13 and is discharged through the air outlet port 15, in the process, the heat generated in the testing platform shell 1 is taken away to dissipate heat, the mutually-enclosed dustproof pages 18 are blown up when the air flow circulates, the dustproof pages 18 drive the first rotating rod 17 to rotate, meanwhile, the filter screen plate 14 filters the passing air, so as to prevent dust, impurities and the like from entering into the testing platform shell 1, meanwhile, the rotating shaft 11 drives the second belt pulley 31 to rotate, the second belt pulley 31 drives the first belt pulley 30 to rotate through the belt 32, the first belt pulley 30 drives the second rotating rod 28 to rotate, the second rotating rod 28 drives the gear 29 to rotate, the gear 29 drives the gear ring 20, the gear ring 20 drives the filter screen plate 14 to rotate, so that the filter screen plate 14 and the cleaning brush 24 generate relative displacement, the cleaning brush 24 can sweep off the filtered dust, impurities and the like on the filter screen plate 14, the filter screen plate 14 is prevented from being blocked, and the swept dust, impurities and the like fall into the collecting box 22 through the dust collecting through holes 23 to be collected, and the uniform treatment is facilitated.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims (6)

1. A contactor test bed for overhauling a high-voltage electric box in a subway workshop comprises a test bed shell (1) and is characterized in that an operation table (2) is fixedly connected to the bottom of the test bed shell (1), a storage box (3) is fixedly connected to the bottom of the operation table (2), a hinge door (4) is arranged on the outer side of the storage box (3), a mounting groove (5) is formed in the test bed shell (1), a circuit board (6) is arranged in the mounting groove (5), a heat dissipation channel (7) communicated with the mounting groove (5) is formed in the test bed shell (1), a connecting rod (8) is fixedly connected to the inner wall of the top of the heat dissipation channel (7), a mounting frame (9) is fixedly connected to the bottom end of the connecting rod (8), a motor (10) is fixedly mounted in the mounting frame (9), and a rotating shaft (11) is welded to, one end fixedly connected with flabellum (12) of rotation axis (11), air inlet opening (13) of putting through with heat dissipation channel (7) are seted up to one side of test bench casing (1), and filter plate (14) are installed to air inlet opening (13) internal rotation, and air-out opening (15) of putting through with heat dissipation channel (7) are seted up to the opposite side of test bench casing (1), and rotation axis (11) cooperate with filter plate (14).

2. The contactor test bed for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein a rectangular frame (16) is fixedly connected to the other side of the test bed shell (1), a plurality of first rotating rods (17) are rotatably mounted in the rectangular frame (16), dust-proof pages (18) are fixedly sleeved on the outer sides of the first rotating rods (17), and the dust-proof pages (18) are matched with the fan blades (12).

3. The contactor test bed for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein an annular sliding groove (19) is formed in the inner wall of the air inlet port (13), a gear ring (20) is slidably mounted in the annular sliding groove (19), and the gear ring (20) is fixedly sleeved on the outer side of the filter screen plate (14).

4. The contactor test bed for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein one side of the test bed shell (1) is provided with a containing groove (21), the containing groove (21) is internally provided with a collecting box (22) in a sliding manner, one side of the containing groove (21) close to the air inlet opening (13) is provided with a dust collecting through hole (23), the inner wall of the bottom of the air inlet opening (13) is fixedly connected with a cleaning brush (24), the cleaning brush (24) is positioned right above the dust collecting through hole (23), and the cleaning brush (24) is matched with the filter screen plate (14).

5. The contactor test bed for overhauling the high-voltage electric box in the subway workshop as claimed in claim 1, wherein a gear cavity (25) communicated with the annular sliding groove (19) is formed in the test bed shell (1), a groove (26) is formed in the inner wall of the top of the heat dissipation channel (7), the same rotating hole (27) is formed in one side, close to the groove (26), of the gear cavity (25), a second rotating rod (28) is rotatably mounted in the rotating hole (27), one end of the second rotating rod (28) extends into the gear cavity (25) and is fixedly connected with a gear (29), and the gear (29) is meshed with the gear ring (20).

6. The contactor test bed for overhauling the high-voltage electric box in the subway workshop as claimed in claim 5, wherein the other end of the second rotating rod (28) extends into the groove (26) and is fixedly connected with a first belt pulley (30), a second belt pulley (31) is fixedly sleeved on the outer side of the rotating shaft (11), and the same belt (32) is sleeved on the outer sides of the first belt pulley (30) and the second belt pulley (31).

Images