Power distribution switch safety test mechanism

Abstract

The utility model discloses a power distribution switch safety test mechanism, which relates to the field of circuit equipment, and comprises a mounting bracket and a plurality of switch main bodies, the plurality of switch main bodies are fixedly mounted on one side of the mounting bracket, and one side of each switch main body far away from the mounting bracket is provided with a reset button, a knife switch and a short circuit button. The plurality of connecting blocks are fixedly mounted on one side of the mounting bracket and are positioned on the outer side of the switch main body; according to the safety test mechanism for the power distribution switch, the device is fixed on an existing power distribution cabinet mounting bracket through the supporting frame, the device is mounted and the position of the execution unit is adjusted through the supporting unit, and the V-shaped plate is driven by the second translation driving piece to press the reset button or the short circuit button; reset of the knife switch is realized through the execution unit, and test and reset of the switch main body in the existing factory power distribution cabinet are realized without manual operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit equipment technology, concretely relates to a distribution switch safety test mechanism. BACKGROUND

[0002] Distribution switches are used to control the distribution and transmission of electrical power in power systems. Their main function is to open or close circuits in order to deliver electrical power to specific appliances, devices or areas.

[0003] Distribution switches can control the on-off of circuits through their switching actions, thereby realizing the switching and control of various electrical devices and meeting the working requirements of various electrical devices.

[0004] When maintaining, repairing, replacing or troubleshooting electrical faults, the corresponding circuit needs to be isolated. Distribution switches provide a safe and isolated environment to ensure the safe operation of the circuit.

[0005] Distribution switches can also protect circuits according to factors such as current, voltage and time. For example, when overcurrent, short circuit and other faults occur in the circuit, the distribution switch can automatically cut off the current to protect the equipment and personnel safety.

[0006] The utility model discloses a distribution switch safety test mechanism in the Chinese utility model patent with the publication number CN221281167U3, the distribution switch safety test mechanism is solved through the mode of installing test module, realizes that test module carries out safety test to distribution switch automatically, and carries out reset, reaches the effect of improving user experience, reducing test step, avoiding user contact high risk place,

[0007] However, this scheme cannot test the already installed distribution switch, and the existing distribution switch needs to be replaced in order to test the effect, and the air cylinder will rotate when the automatic power is cut off, and the stroke is a straight line, so it will hinder the rotation of the air cylinder to disconnect the circuit, and the air cylinder will be stuck, so it cannot ensure the on-off of the circuit. UTILITY MODEL CONTENTS

[0008] The utility model aims at providing a distribution switch safety test mechanism to solve the lack of adaptability and the lack of air cylinder disconnection or closing in the prior art.

[0009] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a distribution switch safety test mechanism, comprising a mounting bracket and a plurality of switch bodies, a plurality of switch bodies are fixedly installed on one side of the mounting bracket, the side of the switch body away from the mounting bracket is provided with a reset button, a knife switch and a short circuit button, further comprising:

[0010] A plurality of connecting blocks are fixedly installed on one side of the mounting bracket, and the plurality of connecting blocks are located outside the switch body;

[0011] A support unit is installed on one side of the connecting block;

[0012] The support unit comprises:

[0013] Two support frames are respectively fixedly installed on one side of the connecting block, and the two support frames are located on both sides of the plurality of switch bodies;

[0014] A sleeve is fixedly installed on the middle of the top of one of the support frames;

[0015] A driving source is fixedly installed on the middle of the top of the other support frame;

[0016] A first threaded rod is fixedly installed on the output end of the driving source through a shaft coupling, and the other end of the first threaded rod is rotatably installed on the inner side of the sleeve;

[0017] A threaded sleeve is sleeved on the outer side of the first threaded rod, and the inner side of the threaded sleeve is threadedly connected with the first threaded rod;

[0018] A movable plate is arranged on one side of the support unit, the top of the movable plate is fixedly connected with the threaded sleeve, and the movable plate is located between the first threaded rod and the switch body;

[0019] An execution unit is arranged on the bottom of the movable plate, the execution unit is used for pressing the reset button and the short-circuit button on the switch body, and the execution unit is also used for resetting the contactor;

[0020] The execution unit comprises:

[0021] A connecting plate is fixedly installed on the bottom of the movable plate;

[0022] A V-shaped plate is rotatably installed on one side of the connecting plate;

[0023] A spring is fixedly installed on one side of the top of the V-shaped plate;

[0024] A second translation driving member is fixedly installed on one side of the bottom of the movable plate;

[0025] An ear plate is fixedly installed on the other side of the top of the V-shaped plate, and the ear plate is rotatably connected with the bottom end of the second translation driving member;

[0026] A first translation driving member is fixedly installed on one side of the bottom of the movable plate;

[0027] A sliding block is slidably installed on the bottom of the movable plate, and the first translation driving member is fixedly connected with the sliding block;

[0028] A first limiting unit is arranged at the bottom of the sliding block;

[0029] A power source is arranged at one side of the first limiting unit;

[0030] A second threaded rod is fixedly installed at the output end of the power source through a shaft coupling;

[0031] A second limiting unit is arranged at the other end of the second threaded rod;

[0032] A U-shaped pipe is arranged at one side of the second limiting unit, and the other end of the U-shaped pipe is connected with the first limiting unit.

[0033] Further, the supporting unit further comprises:

[0034] A plurality of fixing sleeves are fixedly installed at the top of the supporting frame and located at both sides of the sleeve;

[0035] A sliding rod is fixedly installed at both ends thereof inside the fixing sleeves;

[0036] A sliding sleeve is slidingly installed outside the sliding rod, and the sliding sleeve is fixedly connected with the movable plate.

[0037] Further, the first limiting unit comprises:

[0038] A first limiting plate is fixedly installed at the bottom of the sliding block, the first limiting plate is fixedly connected with the power source, the first limiting plate is penetrated by the second threaded rod, the outer side of the second threaded rod is rotatably connected with the first limiting plate, the first limiting plate is fixedly connected with the U-shaped pipe, and the first limiting plate is penetrated by an installation groove;

[0039] A first limiting spring is fixedly installed at the top of the installation groove of the first limiting plate;

[0040] A first clamping plate is slidingly installed inside the installation groove, and the top of the first clamping plate is fixedly connected with the top of the bottom end of the first limiting spring;

[0041] A first movable block is slidingly installed inside the installation groove, and the first movable block is located below the first clamping plate;

[0042] A first rotating shaft is rotatably installed at one side of the first movable block.

[0043] Further, the second limiting unit comprises:

[0044] A second limiting plate is threadedly connected at the other end of the second threaded rod, the second limiting plate is penetrated by the U-shaped pipe, the second limiting plate is slidingly connected with the U-shaped pipe at the penetrated position, and the second limiting plate is provided with a penetration groove;

[0045] A second limiting spring is fixedly installed at the top of the penetration groove of the second limiting plate;

[0046] The second clamping plate is slidably installed on the inner side of the through groove, and the top of the second clamping plate is fixedly connected with the bottom end of the second limiting spring;

[0047] The second movable block is slidably installed on the inner side of the through groove, and the second movable block is located below the second clamping plate;

[0048] The second rotating shaft is rotatably installed on one side of the second movable block.

[0049] Further, the mounting bracket is installed on the inner side of the power distribution cabinet.

[0050] Further, the V-shaped plate is provided with horizontal ends on both sides.

[0051] Compared with the prior art, the power distribution switch safety test mechanism provided by the utility model is fixed on the existing power distribution cabinet mounting bracket through the support frame, the installation of the device and the adjustment of the position of the execution unit are realized through the support unit, the pressing of the reset button or the short-circuit button is realized through the V-shaped plate driven by the second translation driving element, and the reset of the contactor is realized through the execution unit. BRIEF DESCRIPTION OF DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0053] Figure 1 The first schematic view of the overall structure provided by the embodiment of the utility model is shown in the figure.

[0054] Figure 2 The second schematic view of the overall structure provided by the embodiment of the utility model is shown in the figure.

[0055] Figure 3 The third schematic view of the overall structure provided by the embodiment of the utility model is shown in the figure.

[0056] Figure 4 The local structure schematic view provided by the embodiment of the utility model is shown in the figure.

[0057] Figure 5 The structure schematic view of the second threaded rod part, the U-shaped pipe and the second limiting unit provided by the embodiment of the utility model is shown in the figure.

[0058] Figure 6 The structure schematic view of the first translation driving element, the sliding block and the first limiting unit provided by the embodiment of the utility model is shown in the figure.

[0059] Figure 7 The execution unit partial structure schematic view is provided for the embodiment of the utility model.

[0060] Mark explanation:

[0061] 1, mounting bracket; 2, connecting block; 3, support unit; 31, support frame; 32, sleeve; 321, fixed sleeve; 33, first threaded rod; 34, sliding rod; 35, sliding sleeve; 36, threaded sleeve; 37, driving source; 4, switch main body; 41, reset button; 42, short-circuit button; 43, contactor; 5, movable plate; 6, execution unit; 61, first translation driving part; 62, sliding block; 63, power source; 64, first limiting unit; 65, second threaded rod; 66, U-shaped tube; 67, second limiting unit; 68, second translation driving part; 69, ear plate; 610, V-shaped plate; 611, connecting plate; 612, spring; 641, first limiting plate; 642, first limiting spring; 643, first clamping plate; 644, first movable block; 645, first rotating shaft; 671, second limiting plate; 672, second limiting spring; 673, second clamping plate; 674, second movable block; 675, second rotating shaft. DETAILED DESCRIPTION

[0062] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in conjunction with the drawings.

[0063] Embodiment one:

[0064] Please refer to Figures 1-3 A power distribution switch safety test mechanism, including mounting bracket 1 and a plurality of switch main body 4, a plurality of switch main body 4 is fixedly installed on the side of mounting bracket 1, switch main body 4 is provided with reset button 41, contactor 43 and short-circuit button 42 on the side away from mounting bracket 1, still include:

[0065] A plurality of connecting blocks 2, it is fixedly installed on the side of mounting bracket 1, a plurality of connecting blocks 2 are located on the outside of switch main body 4;

[0066] Short-circuit button 42 and reset button 41 are all the keys of switch main body 4, after pressing short-circuit button 42, contactor 43 is automatically disconnected, after pressing reset button 41, contactor 43 can be closed, so that the circuit is connected, connecting block 2 is fixedly installed on the side of mounting bracket 1 by bolt, and connecting block 2 is used to install support frame 31;

[0067] Support unit 3, it is installed on the side of connecting block 2;

[0068] Support unit 3 includes:

[0069] Two support frames 31 are fixedly installed on one side of the connecting block 2, and the two support frames 31 are located on both sides of the plurality of switch bodies 4;

[0070] A sleeve 32 is fixedly installed at the middle of the top of one of the support frames 31;

[0071] A driving source 37 is fixedly installed at the middle of the top of the other support frame 31;

[0072] A first threaded rod 33 is fixedly installed on the output end of the driving source 37 through a shaft coupling, and the other end of the first threaded rod 33 is rotatably installed on the inner side of the sleeve 32;

[0073] A threaded sleeve 36 is sleeved on the outer side of the first threaded rod 33, and the inner side of the threaded sleeve 36 is threadedly connected with the first threaded rod 33;

[0074] The driving source 37 includes but is not limited to a driving motor, the driving source 37 is electrically connected with an external power supply and is controlled by an external PLC programming program, the driving source 37 drives the first threaded rod 33 to rotate, the first threaded rod 33 drives the threaded sleeve 36 to move along the axial direction of the first threaded rod 33 to adjust the position, the support frame 31 is fixed on the connecting block 2 through bolts, and the height of the support frame 31 can be selected to adapt to switch bodies 4 of different sizes;

[0075] An activity plate 5 is arranged on one side of the support unit 3, the top of the activity plate 5 is fixedly connected with the threaded sleeve 36, and the activity plate 5 is located between the first threaded rod 33 and the switch body 4;

[0076] The activity plate 5 is made of rubber or plastic, and the size of the activity plate 5 is greater than the length of the largest one of the switch bodies 4.

[0077] An execution unit 6 is arranged at the bottom of the activity plate 5, the execution unit 6 is used for pressing the reset button 41 and the short-circuit button 42 on the switch body 4, and the execution unit 6 is also used for resetting the contactor 43;

[0078] The execution unit 6 includes:

[0079] A connecting plate 611 is fixedly installed at the bottom of the activity plate 5;

[0080] A V-shaped plate 610 is rotatably installed on one side of the connecting plate 611;

[0081] A spring 612 is fixedly installed at one end of the bottom of the activity plate 5, and the bottom end of the spring 612 is fixedly installed at one side of the top of the V-shaped plate 610;

[0082] A second translation driving member 68 is fixedly installed at one end of the bottom of the activity plate 5;

[0083] An ear plate 69 is fixedly installed on the other side top of the V-shaped plate 610, and the ear plate 69 is rotationally connected with the bottom end of the second translation driving element 68;

[0084] A first translation driving element 61 is fixedly installed on one side bottom of the movable plate 5;

[0085] A sliding block 62 is slidingly installed on the bottom of the movable plate 5, and the first translation driving element 61 is fixedly connected with the sliding block 62;

[0086] A first limiting unit 64 is arranged on the bottom of the sliding block 62;

[0087] A power source 63 is arranged on one side of the first limiting unit 64;

[0088] A second threaded rod 65 is fixedly installed on the output end of the power source 63 through a shaft coupling;

[0089] A second limiting unit 67 is arranged on the other end of the second threaded rod 65;

[0090] A U-shaped pipe 66 is arranged on one side of the second limiting unit 67, and the other end of the U-shaped pipe 66 is connected with the first limiting unit 64.

[0091] The first translation driving element 61 and the second translation driving element 68 each include but are not limited to an electric telescopic rod, which is electrically connected with an external power source and is controlled by an external PLC programming program, the power source 63 includes but is not limited to a driving motor, which is electrically connected with the external power source and is also controlled by the external PLC programming program, the second translation driving element 68 drives the V-shaped plate 610 to rotate around the connection position with the connecting plate 611, thereby pressing the reset button 41 or the short-circuit button 42, the spring 612 is used to maintain the bottom of the V-shaped plate 610 in parallel to the surface of the switch main body 4 in a normal state, the first translation driving element 61 drives the sliding block 62 to move along the bottom of the movable plate 5, the power source 63 drives the second threaded rod 65 to rotate, the second threaded rod 65 drives the second limiting unit 67 to move along the surface of the U-shaped pipe 66, thereby clamping the brake 43 by the first limiting unit 64 and the second limiting unit 67, the first translation driving element 61 drives the sliding block 62 to move along the movable plate 5 to the closing direction, and pushes the brake 43 to the closed position, the power source 63 is reversed to release the fixation of the brake 43, and the initial position and the end position of the brake 43 each form a certain angle with the surface of the switch main body 4.

[0092] The support unit 3 further includes:

[0093] A plurality of fixed sleeves 321 are fixedly installed on the top of the support frame 31 and are located on both sides of the sleeve 32;

[0094] A sliding rod 34 is fixedly installed on the inner side of the fixed sleeve 321 at both ends;

[0095] The sliding sleeve 35 is slidingly installed outside the slide rod 34, and the sliding sleeve 35 is fixedly connected with the movable plate 5.

[0096] The mounting bracket 1 is mounted inside the power distribution cabinet.

[0097] The V-shaped plate 610 is provided with horizontal ends on both sides.

[0098] The specific implementation is that the fixed sleeve 321 fixes the slide rod 34 on the top of the support frame 31, when the driving source 37 drives the first threaded rod 33 to rotate and drives the movable plate 5 to move, the slide rod 34 can limit the movable plate 5, so that the movable plate 5 can only move along the axis direction of the first threaded rod 33, and then the circuit on-off test of the plurality of switch bodies 4 is performed.

[0099] Embodiment two:

[0100] Please refer to Figures 4-7 The embodiment provides a technical scheme based on the embodiment one: the first limiting unit 64 comprises:

[0101] The first limiting plate 641 is fixedly installed at the bottom of the sliding block 62, the first limiting plate 641 is fixedly connected with the power source 63, the first limiting plate 641 is penetrated by the second threaded rod 65, the outer side of the second threaded rod 65 is rotationally connected with the first limiting plate 641, the first limiting plate 641 is fixedly connected with the U-shaped pipe 66, and the first limiting plate 641 is penetrated by the mounting groove;

[0102] The first limiting spring 642 is fixedly installed at the top of the mounting groove of the first limiting plate 641;

[0103] The first clamping plate 643 is slidingly installed inside the mounting groove, and the top of the first clamping plate 643 is fixedly connected with the top of the bottom end of the first limiting spring 642;

[0104] The first movable block 644 is slidingly installed in the mounting groove, and the first movable block 644 is located below the first clamping plate 643;

[0105] The first rotating shaft 645 is rotationally installed on one side of the first movable block 644.

[0106] The specific implementation is that the first limiting spring 642 makes the first movable block 644 always be at the bottom of the installation groove, when the first pivot 645 clamps the brake shoe 43, the first translation driving part 61 pushes the sliding block 62 to drive the first limiting unit 64 to move to close, the brake shoe 43 rotates to make the first pivot 645 rotate, and the first movable block 644 rises against the elastic force of the first limiting spring 642, when the rotation angle of the brake shoe 43 is more than half, the elastic force of the first limiting spring 642 acts on the first movable block 644, so that the closing speed of the brake shoe 43 is accelerated, and the closing force is greater, so that the brake shoe 43 is prevented from falling back to cause the circuit to be disconnected due to the closing angle and force.

[0107] The second limiting unit 67 comprises:

[0108] The second limiting plate 671 is threadedly connected to the other end of the second threaded rod 65, the second limiting plate 671 is penetrated by the U-shaped tube 66, the second limiting plate 671 is in sliding connection with the U-shaped tube 66 at the penetrated position, and the second limiting plate 671 is provided with a penetrating groove;

[0109] The second limiting spring 672 is fixedly installed at the top of the penetrating groove of the second limiting plate 671;

[0110] The second clamping plate 673 is slidingly installed on the inner side of the penetrating groove, and the top of the second clamping plate 673 is fixedly connected with the bottom end of the second limiting spring 672;

[0111] The second movable block 674 is slidingly installed on the inner side of the penetrating groove, and the second movable block 674 is located below the second clamping plate 673;

[0112] The second pivot 675 is rotatably installed on one side of the second movable block 674.

[0113] The specific implementation is that the working principles of the second limiting spring 672, the second clamping plate 673, the second movable block 674 and the second pivot 675 are the same as those of the first limiting spring 642, the first clamping plate 643, the first movable block 644 and the first pivot 645, and the second limiting plate 671 can move along the axis direction of the U-shaped tube 66 under the driving of the driving source 63 to drive the second threaded rod 65, thereby realizing clamping of the brake shoe 43.

[0114] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the protection scope of the utility model claims.

Claims

1. A power distribution switch safety test mechanism, comprising a mounting bracket (1) and a plurality of switch bodies (4), the plurality of switch bodies (4) being fixedly installed on one side of the mounting bracket (1), and the switch bodies (4) being provided with a reset button (41), a contactor (43) and a short-circuit button (42) on the side away from the mounting bracket (1), characterized in that, Also include: A plurality of connecting blocks (2) are fixedly installed on one side of the mounting bracket (1), and a plurality of connecting blocks (2) are located outside the switch body (4); Support unit (3), installed on one side of the connecting block (2); The support unit (3) comprises: Two support frames (31) are respectively fixedly installed on one side of the connecting block (2), and two support frames (31) are located on both sides of a plurality of switch bodies (4); Sleeve (32), fixedly installed in the middle of the top of one of the support frames (31); Driving source (37), fixedly installed in the middle of the top of the other support frame (31); First threaded rod (33), fixedly installed on the output end of the driving source (37) through the shaft coupling, the other end of the first threaded rod (33) is rotatably installed inside the sleeve (32); Threaded sleeve (36), which is sleeved on the outside of the first threaded rod (33), the inside of the threaded sleeve (36) is threadedly connected with the first threaded rod (33); Movable plate (5), provided on one side of the support unit (3), the top of the movable plate (5) is fixedly connected with the threaded sleeve (36), and the movable plate (5) is located between the first threaded rod (33) and the switch body (4); Execution unit (6), provided on the bottom of the movable plate (5), the execution unit (6) is used for pressing the reset button (41) and the short circuit button (42) on the switch body (4), and the execution unit (6) is also used for resetting the contactor (43); The execution unit (6) comprises: Connecting plate (611), fixedly installed on the bottom of the movable plate (5); V-shaped plate (610), rotatably installed on one side of the connecting plate (611); Spring (612), one end fixedly installed on the bottom of the movable plate (5), the bottom end of the spring (612) is fixedly installed on one side of the top of the V-shaped plate (610); Second translation drive (68), one end fixedly installed on the bottom of the movable plate (5); Ear plate (69), fixedly installed on the other side of the top of the V-shaped plate (610), the ear plate (69) is rotatably connected with the bottom end of the second translation drive (68); First translation drive (61), fixedly installed on one side of the bottom of the movable plate (5); Slide block (62), slidingly installed on the bottom of the movable plate (5), the first translation drive (61) is fixedly connected with the slide block (62); First limiting unit (64), provided on the bottom of the slide block (62); Power source (63), provided on one side of the first limiting unit (64); Second threaded rod (65), fixedly installed on the output end of the power source (63) through the shaft coupling; Second limiting unit (67), provided on the other end of the second threaded rod (65); U-shaped tube (66), provided on one side of the second limiting unit (67), the other end of the U-shaped tube (66) is connected with the first limiting unit (64).

2. A power distribution switch safety testing mechanism according to claim 1, wherein, The support unit (3) further comprises: A plurality of fixed sleeves (321) are fixedly installed on the top of the support frame (31) and located on both sides of the sleeve (32); Slide rod (34), both ends of which are respectively fixedly installed inside the fixed sleeve (321); A sliding sleeve (35) is slidingly installed outside the slide rod (34), and the sliding sleeve (35) is fixedly connected with the movable plate (5).

3. The power distribution switch safety testing mechanism of claim 1, wherein, The first limiting unit (64) comprises: A first limiting plate (641) is fixedly installed at the bottom of the sliding block (62), the first limiting plate (641) is fixedly connected with the power source (63), the first limiting plate (641) is penetrated by a second threaded rod (65), the outer side of the second threaded rod (65) is rotatably connected with the first limiting plate (641), the first limiting plate (641) is fixedly connected with a U-shaped tube (66), and the first limiting plate (641) is penetrated by an installation groove; A first limiting spring (642) is fixedly installed at the top of the installation groove of the first limiting plate (641); A first clamping plate (643) is slidingly installed inside the installation groove, and the top of the first clamping plate (643) is fixedly connected with the top of the first limiting spring (642); A first movable block (644) is slidingly installed inside the installation groove, and the first movable block (644) is located below the first clamping plate (643); A first rotating shaft (645) is rotatably installed on one side of the first movable block (644).

4. The power distribution switch safety testing mechanism of claim 1, wherein, The second limiting unit (67) comprises: A second limiting plate (671) is threadedly connected to the other end of the second threaded rod (65), the second limiting plate (671) is penetrated by the U-shaped tube (66), the second limiting plate (671) is slidingly connected with the U-shaped tube (66) at the penetrated position, and the second limiting plate (671) is provided with a penetrating groove; A second limiting spring (672) is fixedly installed at the top of the penetrating groove of the second limiting plate (671); A second clamping plate (673) is slidingly installed inside the penetrating groove, and the top of the second clamping plate (673) is fixedly connected with the bottom end of the second limiting spring (672); A second movable block (674) is slidingly installed inside the penetrating groove, and the second movable block (674) is located below the second clamping plate (673); A second rotating shaft (675) is rotatably installed on one side of the second movable block (674).

5. The power distribution switch safety testing mechanism of claim 1, wherein, The mounting bracket (1) is mounted inside the power distribution cabinet.

6. A power distribution switch safety testing mechanism according to claim 1, wherein, The V-shaped plate (610) is provided with horizontal ends on both sides.

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