Electrical secondary overhaul safety measure protection device

Abstract

The invention provides an electrical secondary maintenance safety measure protection device comprising a plate body provided with a groove and a first inner cavity; the limiting structure comprises a sliding part and a baffle, the sliding part is movably arranged in the first inner cavity, and the sliding part drives the limiting structure to slide in the first inner cavity; the baffle is fixedly connected with the sliding part and extends out of the first inner cavity; and the movable abutting rod is movably arranged in the groove, and the movable abutting rod slides in the groove. The protection device can be suitable for electric boxes and electric brakes of different sizes, the situation that the clamping force is not stable is avoided through the structure, and through the trigger device and the alarm, when the baffle is separated from the switch blade and potential danger exists, a warning effect can be achieved on a working worker.

Description

Technical Field

[0001] The invention relates to the technical field of substation maintenance, and in particular to a safety measure protection device for electrical secondary maintenance. Background Art

[0002] Substation maintenance is to inspect, replace, and debug circuit breakers and disconnectors, and to repair transformers, mutual inductors and other substation equipment to ensure that they meet the quality standards for safe operation. During secondary maintenance, the switch needs to be closed. During maintenance, the protective device is often connected to the outer shell of the switch to protect the knife inside the switch to prevent people who are not aware of the maintenance from closing the knife by mistake and causing safety accidents. The protective device in the prior art is usually a concave plate structure.

[0003] The secondary maintenance safety measure protection device of the substation in the prior art realizes the adjustment and installation of the protection device by rotating the extrusion device to contact the switch housing. However, when rotating the extrusion device, it is necessary to rotate the extrusion device with force to ensure that the two extrusion blocks clamp and fix the switch housing. If the force used by the staff to rotate the extrusion device is small, it is easy for the two extrusion blocks to not have enough clamping force to clamp the switch housing, causing the protection device to fall down. In addition, for the switch installed in the electrical box, the above-mentioned protection device has no clampable part, so it is not applicable.

[0004] In view of this, the inventor of the present application has designed an electrical secondary maintenance safety measure protection device in order to overcome the above-mentioned technical problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the protective device needs to rotate the extrusion device with force to ensure that the two extrusion blocks clamp and fix the switch housing, and is not suitable for switches installed in electrical boxes, and to provide an electrical secondary maintenance safety measure protective device.

[0006] The present invention solves the above technical problems through the following technical solutions:

[0007] The present invention provides an electrical secondary maintenance safety measure protection device, which is characterized in that the protection device comprises: a plate body, which is provided with a groove and a first inner cavity; a limiting structure, which comprises a sliding part and a baffle, and the sliding part is movably arranged in the first inner cavity, and the sliding part drives the limiting structure to slide in the first inner cavity; the baffle is fixedly connected to the sliding part, and the baffle extends out of the first inner cavity; and a movable abutment rod, which is movably arranged in the groove, and the movable abutment rod slides in the groove.

[0008] According to one or more embodiments of the present invention, the opening of the groove is arranged at the upper part of the plate body, and the movable stop rod can extend upward from the opening of the groove.

[0009] According to one or more embodiments of the present invention, the side of the plate body has a first sliding hole, which is communicated with the first inner cavity; the baffle is arranged outside the plate body, and the sliding part passes through the first sliding hole and is connected to the baffle.

[0010] According to one or more embodiments of the present invention, the sliding portion includes a limit block and a slider, the limit block is movably arranged in the first inner cavity, the slider is movably arranged in the first sliding hole, one end of the slider is connected to the limit block, and the other end of the slider is connected to the baffle.

[0011] According to one or more embodiments of the present invention, the limiting structure also includes an adjusting bolt, and the sliding portion is provided with a connecting hole; the side portion of the plate body also has a second sliding hole, and the second sliding hole is connected to the first inner cavity; the adjusting bolt passes through the second sliding hole from outside the plate body and is connected to the connecting hole.

[0012] According to one or more embodiments of the present invention, in the groove, a first elastic member is disposed at the lower portion of the movable stop rod, and the movable stop rod is driven to slide upward by the tension of the first elastic member.

[0013] According to one or more embodiments of the present invention, a U-shaped clamping plate is provided on the upper portion of the plate body near the opening of the groove; and a rotating plate is hingedly provided on the upper portion of the movable support rod.

[0014] According to one or more embodiments of the present invention, the protective device further comprises an alarm and a switch, wherein the alarm and the switch are connected to the plate body, the switch is electrically connected to the alarm, and the switch is used to start or shut down the alarm.

[0015] According to one or more embodiments of the present invention, the baffle is provided with a second inner cavity, a trigger device is provided in the second inner cavity, the trigger device is electrically connected to the alarm, and the trigger device has a force-bearing rod; a bottom groove is provided at the lower part of the baffle, the bottom groove is connected with the second inner cavity, and the force-bearing rod passes through the bottom groove and extends out of the second inner cavity.

[0016] According to one or more embodiments of the present invention, the trigger device also includes a slide plate, a contact seat, a contact and a second elastic member, the force-bearing rod and the contact are fixed at the lower part of the slide plate, and the slide plate can slide up and down in the second inner cavity; the contact seat is arranged at the lower part of the second inner cavity, opposite to the position of the contact; the second elastic member is arranged in the second inner cavity, located at the upper part of the slide plate, and the slide plate is driven to slide downward by the tension of the second elastic member.

[0017] According to one or more embodiments of the present invention, the board body is further provided with a third inner cavity, in which a battery is arranged, and the battery is electrically connected to the alarm; the board body is provided with a charging port connected to the third inner cavity.

[0018] According to one or more embodiments of the present invention, a magnet is disposed at the bottom of the plate.

[0019] According to one or more embodiments of the present invention, a warning mark is disposed on the outside of the plate.

[0020] The positive and progressive effects of the present invention are:

[0021] The electrical secondary maintenance safety measure protection device of the present invention has at least the following advantages:

[0022] The electrical secondary maintenance safety measure protection device of the present invention can be applied to electrical boxes and switches of different sizes, and the structure will not have unstable clamping force. The protection device of the present invention uses a trigger device and an alarm to warn the working staff when the baffle is separated from the switch blade and there is a potential danger. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other features, properties and advantages of the present invention will become more apparent through the following description in conjunction with the accompanying drawings and embodiments, in which the same reference numerals always represent the same features, wherein:

[0024] Figure 1 It is a three-dimensional schematic diagram of the electrical secondary maintenance safety measure protection device of the present invention from one viewing angle.

[0025] Figure 2 It is a three-dimensional schematic diagram of the electrical secondary maintenance safety measure protection device of the present invention from another perspective.

[0026] Figure 3 It is a schematic diagram of the explosion of the electrical secondary maintenance safety measure protection device of the present invention.

[0027] Figure 4 It is a cross-sectional schematic diagram of the electrical secondary maintenance safety measure protection device of the present invention.

[0028] Figure 5It is a cross-sectional schematic diagram of a baffle in the electrical secondary maintenance safety measure protection device of the present invention.

[0029] [Reference Signs]

[0030] Board body 100

[0031] Groove 110

[0032] First inner cavity 120

[0033] The first sliding hole 130

[0034] The second sliding hole 140

[0035] U-shaped splint 150

[0036] The third inner cavity 160

[0037] Battery 161

[0038] Charging port 162

[0039] Magnet 170

[0040] Warning signs 180

[0041] Limiting structure 200

[0042] Sliding portion 210

[0043] Limit block 211

[0044] Slider 212

[0045] Connection hole 213

[0046] Baffle 220

[0047] Second inner cavity 221

[0048] Trigger device 222

[0049] Force rod 223

[0050] Bottom slot 224

[0051] Skateboard 225

[0052] Contact seat 226

[0053] Contact 227

[0054] The second elastic member 228

[0055] Adjusting bolt 230

[0056] Active stop bar 300

[0057] The first elastic member 310

[0058] Transfer board 320

[0059] Alarm 400

[0060] Switch 500 DETAILED DESCRIPTION

[0061] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0062] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to preferred embodiments of the present invention, examples of which are shown in the accompanying drawings. Wherever possible, the same reference numerals will be used in all drawings to represent the same or similar parts. In addition, although the terms used in the present invention are selected from well-known and commonly used terms, some of the terms mentioned in the specification of the present invention may be selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant parts of the description herein. In addition, it is required to understand the present invention not only by the actual terms used, but also by the meaning implied by each term.

[0063] like Figure 1 to Figure 5 As shown, the present invention provides an electrical secondary maintenance safety measure protection device, the protection device comprising:

[0064] The plate body 100 is provided with a groove 110 and a first inner cavity 120;

[0065] The limiting structure 200 includes a sliding portion 210 and a baffle 220. The sliding portion 210 is movably disposed in the first inner cavity 120, and the sliding portion 210 drives the limiting structure 200 to slide in the first inner cavity 120; the baffle 220 is fixedly connected to the sliding portion 210, and the baffle 220 extends out of the first inner cavity 120;

[0066] The movable abutment rod 300 is movably disposed in the groove 110 , and the movable abutment rod 300 slides in the groove 110 .

[0067] When in use, place the plate body 100 inside the electrical box and contact the bottom end inside the electrical box, then move the plate body 100 to the switch so that the baffle 220 is just above the switch, adjust the sliding part 210 to move downward, and the bottom end of the baffle 220 is completely in contact with the top of the switch, and the baffle 220 protects the switch.

[0068] The movable abutment rod 300 abuts against the wall inside the electrical box, and the plate body 100 is fixed at this time. This structure can be applicable to electrical boxes and switches of different sizes.

[0069] like Figure 1 to Figure 5As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the opening of the groove 110 is set at the upper part of the plate body 100, and the movable stop rod 300 can extend upward from the opening of the groove 110.

[0070] The movable abutment rod 300 slides upward, and the top end of the movable abutment rod 300 abuts against the top end inside the electric box, and at this time, the plate body 100 is fixed.

[0071] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the side of the plate body 100 has a first sliding hole 130, and the first sliding hole 130 is connected to the first inner cavity 120; the baffle 220 is arranged outside the plate body 100, and the sliding part 210 passes through the first sliding hole 130 and is connected to the baffle 220.

[0072] The sliding portion 210 slides up and down in the first inner cavity 120 and the first sliding hole 130 , thereby driving the baffle plate 220 to move up and down.

[0073] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the sliding part 210 includes a limit block 211 and a slider 212, the limit block 211 is movably set in the first inner cavity 120, the slider 212 is movably set in the first sliding hole 130, one end of the slider 212 is connected to the limit block 211, and the other end of the slider 212 is connected to the baffle 220.

[0074] The limiting block 211 drives the sliding block 212 to slide up and down in the first sliding hole 130 , and the sliding block 212 drives the baffle 220 to move up and down.

[0075] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the limiting structure 200 also includes an adjusting bolt 230, and the sliding portion 210 is provided with a connecting hole 213; the side of the plate body 100 also has a second sliding hole 140, and the second sliding hole 140 is connected to the first inner cavity 120; the adjusting bolt 230 passes through the second sliding hole 140 from the outside of the plate body 100 and is connected to the connecting hole 213.

[0076] The connecting hole 213 of the sliding part 210 is preferably a threaded hole, and the adjusting bolt 230 cooperates with the thread in the threaded hole. The adjusting bolt 230 is rotated and rotated into the threaded hole until the adjusting bolt 230 is in close contact with the front side of the plate body 100. At this time, the position of the baffle 220 is fixed.

[0077] like Figure 1 to Figure 5As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, in the groove 110, a first elastic member 310 is provided at the lower part of the movable push rod 300, and the movable push rod 300 is driven to slide upward by the tension of the first elastic member 310.

[0078] The first elastic member 310 is preferably a spring. Under the action of the spring tension, the movable push rod 300 slides upward, and the top of the movable push rod 300 abuts against the top of the inside of the electrical box. At this time, the plate body 100 is fixed, so that the electrical secondary maintenance safety measure protection device of the present invention can be suitable for electrical boxes and switches of different sizes.

[0079] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, a U-shaped clamping plate 150 is arranged on the upper part of the plate body 100 near the opening of the groove 110; a rotating plate 320 is hingedly arranged on the upper part of the movable support rod 300.

[0080] The rotating plate 320 can rotate freely on the movable abutment 300, and when the rotating plate 320 is stuck in the U-shaped clamping plate 150, the position of the movable abutment 300 is fixed. After the rotating plate 320 is rotated, the rotating plate 320 is separated from the U-shaped clamping plate 150, and the movable abutment 300 can slide up and down freely.

[0081] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the protection device also includes an alarm 400 and a switch 500, the alarm 400 and the switch 500 are connected to the plate body 100, the switch 500 is electrically connected to the alarm 400, and the switch 500 is used to start or turn off the alarm 400.

[0082] After the electrical secondary maintenance safety measure protection device of the present invention is installed, the switch 500 is turned on. When other people do not know what the device is and forcibly move the protection device, the alarm 400 sounds an alarm.

[0083] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the baffle 220 is provided with a second inner cavity 221, and a trigger device 222 is arranged in the second inner cavity 221, the trigger device 222 is electrically connected to the alarm 400, and the trigger device 222 has a force-bearing rod 223; a bottom groove 224 is provided at the lower part of the baffle 220, the bottom groove 224 is connected with the second inner cavity 221, and the force-bearing rod 223 passes through the bottom groove 224 and extends out of the second inner cavity 221.

[0084] When the bottom end of the baffle 220 is in full contact with the top of the gate knife, the force rod 223 is lifted up, and the trigger device 222 is not activated, so that the alarm 400 is not activated. When the baffle 220 is separated from the gate knife, the force rod 223 falls, the trigger device 222 is activated, and the alarm 400 is activated.

[0085] like Figure 1 to Figure 5 As shown in FIG. 1 , as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the trigger device 222 also includes a slide plate 225, a contact seat 226, a contact 227 and a second elastic member 228.

[0086] The force-bearing rod 223 and the contact 227 are fixed to the lower part of the slide plate 225, and the slide plate 225 can slide up and down in the second inner cavity 221;

[0087] The contact seat 226 is disposed at the lower part of the second inner cavity 221 , opposite to the position of the contact 227 ;

[0088] The second elastic member 228 is disposed in the second inner cavity 221 and is located on the upper portion of the slide plate 225 . The slide plate 225 is driven to slide downward by the tension of the second elastic member 228 .

[0089] After the electrical secondary maintenance safety measure protection device of the present invention is installed, turn on the switch 500. When other people are not clear about what the device is, they forcibly move the protection device, and the baffle 220 is separated from the knife switch. At this time, under the action of the tension of the second elastic member 228, the slide plate 225 slides downward, and the slide plate 225 drives the contact 227 and the force-bearing rod 223 to move downward synchronously, and the contact 227 enters the contact seat 226. At this time, the alarm 400 is activated and an alarm is sounded.

[0090] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, the board body 100 is also provided with a third inner cavity 160, in which a battery 161 is arranged, and the battery 161 is electrically connected to the alarm 400; the board body 100 is provided with a charging port 162 which is connected to the third inner cavity 160.

[0091] The battery 161 can provide a stable power source for the alarm 400 , and the charging port 162 facilitates charging of the battery 161 .

[0092] like Figure 1 to Figure 5 As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, a magnet 170 is provided at the bottom of the plate body 100.

[0093] The board body 100 is attracted to the electric box by the magnet 170 , so that the stability of the board body 100 can be increased.

[0094] like Figure 1 to Figure 5As shown, as a preferred embodiment of the electrical secondary maintenance safety measure protection device of the present invention, a warning mark 180 is provided on the outside of the plate body 100 .

[0095] The warning sign 180 can serve as a warning to the staff or other persons.

[0096] An embodiment of a preferred structure of the electrical secondary maintenance safety measure protection device of the present invention when in use is as follows:

[0097] The adjusting bolt 230 is then turned outward and then slid upward. The adjusting bolt 230 drives the limit block 211 to slide upward in the first inner cavity 120. The limit block 211 drives the slider 212 to slide upward in the first sliding hole 130. The slider 212 drives the baffle 220 to move upward. Then, the plate body 100 is placed inside the electrical box and contacts the bottom end inside the electrical box. Then, the plate body 100 is moved to the knife so that the baffle 220 is just above the knife. Then, the adjusting bolt 230 is moved upward again so that the baffle 220 moves downward. The bottom end of the baffle 220 is completely in contact with the top of the knife. At this time, the adjusting bolt 230 is turned and the adjusting bolt 230 is turned into the threaded hole serving as the connecting hole 213 until the adjusting bolt 230 is in close contact with the front side of the plate body 100. At this time, the position of the baffle 220 is fixed and the baffle 220 protects the knife.

[0098] Then rotate the rotating plate 320 to make the rotating plate 320 separate from the U-shaped clamp 150. At this time, under the tension of the spring serving as the first elastic member 310, the movable push rod 300 slides upward, and the top of the movable push rod 300 abuts against the top of the inside of the electrical box. At this time, the plate body 100 is fixed, and the structure can be applied to electrical boxes and switches of different sizes. The design of the magnet 170 can attract the electrical box to increase the stability of the plate body 100. Then, the protective device of the present invention adjusts the baffle 220 to protect the switch by adjusting the adjusting bolt 230 up and down and rotating the adjusting bolt 230. The movable push rod 300 can abut against the top of the inside of the electrical box by utilizing the tension of the spring serving as the first elastic member 310, thereby fixing the plate body 100. The structure can be applied to electrical boxes and switches of different sizes, and the structure will not have unstable clamping force.

[0099] After the protective device of the present invention is installed, the switch 500 is turned on. When someone forcibly moves the protective device of the present invention, the baffle 220 is separated from the knife switch at the moment of movement. At this time, under the tension of the spring serving as the second elastic member 228, the slide plate 225 slides downward, and the slide plate 225 drives the contact 227 and the force-bearing rod 223 to move downward synchronously, and the contact 227 enters the contact seat 226. At this time, the alarm 400 is connected to the battery 161 and sends out a piercing alarm, which can serve as a warning to the working staff and rush to stop it in time. The battery 161 can provide a stable power supply for the alarm 400, and the charging port 162 is convenient for charging the battery 161. When the staff finishes their work, they can turn off the switch 500 in advance to disconnect the power supply before taking away the protective device of the present invention. The warning sign 180 can serve as a warning to the staff or other people.

[0100] In summary, the electrical secondary maintenance safety measure protection device of the present invention can be applied to electrical boxes and switches of different sizes, and the structure will not have unstable clamping force. The protection device of the present invention uses the trigger device 222 and the alarm 400 to warn the working staff when the baffle 220 is separated from the switch blade and there is a potential danger.

[0101] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. An electrical secondary maintenance safety measure protection device, characterized in that: The protective device comprises: A plate body, wherein the plate body is provided with a groove and a first inner cavity; A limiting structure, the limiting structure comprising a sliding part and a baffle, the sliding part is movably arranged in the first inner cavity, and the sliding part drives the limiting structure to slide in the first inner cavity; the baffle is fixedly connected to the sliding part, and the baffle extends out of the first inner cavity; A movable abutment rod is movably arranged in the groove, and the movable abutment rod slides in the groove.

2. The electrical secondary maintenance safety measure protection device according to claim 1, characterized in that: The opening of the groove is arranged at the upper part of the plate body, and the movable stop rod can extend upward from the opening of the groove.

3. The electrical secondary maintenance safety measure protection device according to claim 1, characterized in that: The side of the plate body has a first sliding hole, which is communicated with the first inner cavity; the baffle is arranged outside the plate body, and the sliding part passes through the first sliding hole and is connected to the baffle.

4. The electrical secondary maintenance safety measure protection device according to claim 3, characterized in that: The sliding part includes a limit block and a slider, the limit block is movably arranged in the first inner cavity, the slider is movably arranged in the first sliding hole, one end of the slider is connected to the limit block, and the other end of the slider is connected to the baffle.

5. The electrical secondary maintenance safety measure protection device according to claim 3, characterized in that: The limiting structure also includes an adjusting bolt, and the sliding portion is provided with a connecting hole; the side of the plate body also has a second sliding hole, and the second sliding hole is connected to the first inner cavity; the adjusting bolt passes through the second sliding hole from outside the plate body and is connected to the connecting hole.

6. The electrical secondary maintenance safety measure protection device according to claim 2, characterized in that: In the groove, a first elastic member is disposed at the lower portion of the movable push rod, and the movable push rod is driven to slide upward by the tension of the first elastic member.

7. The electrical secondary maintenance safety measure protection device according to claim 6, characterized in that: A U-shaped clamping plate is arranged on the upper part of the plate body near the opening of the groove; and a rotating plate is hingedly arranged on the upper part of the movable supporting rod.

8. The electrical secondary maintenance safety measure protection device according to claim 1, characterized in that: The protection device also includes an alarm and a switch. The alarm and the switch are connected to the plate body. The switch is electrically connected to the alarm. The switch is used to start or shut down the alarm.

9. The electrical secondary maintenance safety measure protection device according to claim 8, characterized in that: The baffle is provided with a second inner cavity, in which a trigger device is provided, the trigger device is electrically connected to the alarm, and the trigger device has a force-bearing rod; a bottom groove is provided at the lower part of the baffle, the bottom groove is connected with the second inner cavity, and the force-bearing rod passes through the bottom groove and extends out of the second inner cavity.

10. The electrical secondary maintenance safety measure protection device according to claim 9, characterized in that: The trigger device also includes a slide plate, a contact seat, a contact head and a second elastic member. The force-bearing rod and the contact are fixed to the lower part of the slide plate, and the slide plate can slide up and down in the second inner cavity; The contact seat is arranged at the lower part of the second inner cavity, opposite to the position of the contact; The second elastic member is arranged in the second inner cavity and is located on the upper part of the slide plate. The slide plate is driven to slide downward by the tension of the second elastic member.

11. The electrical secondary maintenance safety measure protection device according to claim 8, characterized in that: The board body is also provided with a third inner cavity, in which a storage battery is arranged, and the storage battery is electrically connected to the alarm; the board body is provided with a charging port connected to the third inner cavity.

12. The electrical secondary maintenance safety measure protection device according to claim 1, characterized in that: A magnet is arranged at the bottom of the plate body.

13. The electrical secondary maintenance safety measure protection device according to claim 1, characterized in that: The plate body has a warning mark on the outside.

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