Terminal protection device for maintenance of transformer substation

Abstract

The invention discloses a terminal protection device for substation maintenance. The terminal protection device comprises a telescopic roller shutter assembly, a top terminal fixing piece and a bottom terminal fixing piece. The telescopic roller shutter assembly comprises a shell, a reel piece and an end cover, the shell is of a hollow barrel-shaped structure with an opening formed in one end, the reel piece is arranged in a hollow barrel of the shell, and the end cover is detachably arranged at the opening end of the shell; the reel piece comprises a reel body, a reel curtain and a reset unit connected to the reel curtain, one end of the reel body is fastened in the hollow cylinder of the shell, one end of the reel curtain penetrates through the reel body to be connected with the reset unit, and the other opposite end of the reel curtain penetrates through the shell to extend out of the shell. According to the terminal protection device for transformer substation maintenance, the terminal row of the operating equipment terminal in the cabinet body can be blocked, and the terminal protection device can be rewound and repeatedly used; the structure is simple, and storage is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of transformer substation maintenance, and in particular to a transformer substation maintenance terminal protection device. Background Art

[0002] When the secondary equipment of the substation is being repaired, the terminal blocks of the terminals of the running equipment in the cabinet need to be blocked to prevent electric shock or malfunction of the primary equipment due to misoperation. The commonly used blocking method is to use blocking tape with words such as "in operation" to cover the corresponding terminal blocks. Although this type of tape can cover the terminal blocks, the tape itself is relatively thin and can be easily pierced using a multimeter probe, screwdriver, etc., and the tape is highly transparent, so the terminal block can still be clearly seen, so the blocking effect is limited.

[0003] In addition, after the tape is removed after the operation is completed, residual glue from the tape will remain on the terminal block, which is difficult to clean. Therefore, it is necessary to design a terminal protection device. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a terminal protection device for substation maintenance, which can seal the terminal block of the terminals of the running equipment in the cabinet, can be rolled back and reused, and has a simple structure and is easy to store.

[0005] In order to solve the above technical problems, the present invention provides a terminal protection device for substation maintenance, comprising: a retractable rolling curtain assembly, a top sub-fixing member and a bottom terminal fixing member; the retractable rolling curtain assembly comprises: a shell, a reel member and an end cover, the shell is a hollow cylindrical structure with an opening at one end, the reel member is installed in the hollow cylinder of the shell, and the end cover is detachably installed at the open end of the shell; the reel member comprises: a reel body, a reel curtain and a reset unit connected to the reel curtain, wherein: one end of the reel body is fastened in the hollow cylinder of the shell, and one end of the reel curtain passes through the reel body and the reel curtain. The reset unit is connected, and the other end of the roller curtain passes through the shell and extends to the outside of the shell, wherein: a first clamp is provided on the shell, and the top sub-fixing part is detachably connected to the first clamp, and a second clamp is provided at the end of the roller curtain, and the bottom terminal fixing part is detachably connected to the second clamp; the bottom terminal fixing part is pulled to link the roller curtain to extend to the outside of the shell, so as to change the relative position between the top sub-fixing part and the bottom terminal fixing part; the reset unit is driven to link the roller curtain to make it rewind and wrap around the roller body, and the top sub-fixing part and the bottom terminal fixing part are stored.

[0006] Among them, the top sub-fixing part includes: a first connecting seat adapted to be connected to the first clamping part, a first bending plate connected to the first connecting seat, and a plurality of first bosses for inserting into the terminal screw hole or the test hole, and the plurality of first bosses are installed on the first bending plate.

[0007] Among them, the bottom terminal fixing member includes: a second connecting seat adapted to be connected to the second clamping member, a second bending plate connected to the second connecting seat, and a plurality of second bosses for inserting into the terminal screw hole or the test hole, and the plurality of second bosses are installed on the second bending plate.

[0008] The first clamping piece is a clamping strip with a ladder-shaped cross section, and the second clamping piece is an aluminum strip with an L-shaped cross section.

[0009] The shell is provided with a notch for the roller curtain to pass through.

[0010] The reset unit comprises: an axial spring and a spring screw cap, wherein the axial spring is sleeved on the middle part of the reel body, and the spring screw cap is rotatably connected to the reel body, wherein: one end of the axial spring is fixed on the reel body, and the other end thereof is fixed on the spring screw cap.

[0011] Wherein, the roller curtain is connected with the axial spring.

[0012] Among them, a plurality of first protrusions are evenly and equidistantly arranged on the first bending plate, and a plurality of second protrusions are evenly and equidistantly arranged on the second bending plate.

[0013] There are multiple first clamping members, and the multiple first clamping members are evenly and equidistantly arranged on the shell.

[0014] The terminal protection device for substation maintenance of the present invention has the following beneficial effects: the terminal protection device for substation maintenance comprises: a retractable rolling curtain assembly, a top terminal fixing member and a bottom terminal fixing member; the retractable rolling curtain assembly comprises: a shell, a reel member and an end cover, the shell is a hollow cylindrical structure with an opening at one end, the reel member is installed in the hollow cylinder of the shell, and the end cover is detachably installed at the open end of the shell; the reel member comprises: a reel body, a reel curtain and a reset unit connected to the reel curtain, wherein: one end of the reel body is fastened in the hollow cylinder of the shell, one end of the reel curtain passes through the reel body and is connected to the reset unit, and the other end of the reel curtain passes through the shell and is extended The roller curtain is extended to the outside of the shell, wherein: a first clamp is provided on the shell, a top sub-fixing part is detachably connected to the first clamp, a second clamp is provided at the end of the roller curtain, and a bottom terminal fixing part is detachably connected to the second clamp; the bottom terminal fixing part is pulled to link the roller curtain to extend to the outside of the shell, so as to change the relative position between the top sub-fixing part and the bottom terminal fixing part; the reset unit is driven to link the roller curtain to make it rewind and wrap around the roller body, and the top sub-fixing part and the bottom terminal fixing part are stored, and the terminal row of the terminal of the running equipment in the cabinet is blocked by the top sub-fixing part and the bottom terminal fixing part, which can be rewound and reused; the structure is simple and easy to store. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 The figure is an overall schematic diagram of a terminal protection device for substation maintenance according to an embodiment of the present invention.

[0017] Figure 2 The figure is a schematic diagram of the explosion structure of the terminal protection device for substation maintenance according to an embodiment of the present invention. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1-2 The figure shows the first embodiment of the terminal protection device for substation maintenance of the present invention.

[0020] The terminal protection device for substation maintenance in this embodiment includes: a retractable roller shutter assembly 1, a top sub-fixing member 2 and a bottom terminal fixing member 3; the retractable roller shutter assembly 1 includes: a shell 11, a reel and an end cover 13, the shell 11 is a hollow cylindrical structure with an opening at one end, the reel is installed in the hollow cylinder of the shell 11, and the end cover 13 is detachably installed at the open end of the shell 11.

[0021] The roller component includes: a roller body 121, a roller curtain 122 and a reset unit connected to the roller curtain 122, wherein: one end of the roller body 121 is fastened in the hollow cylinder of the shell 11, one end of the roller curtain 122 passes through the roller body 121 and is connected to the reset unit, and the other end of the roller curtain 122 passes through the shell 11 and extends to the outside of the shell 11.

[0022] Wherein: a first clamping member 119 is provided on the shell 11 , the top terminal fixing member 2 is detachably connected to the first clamping member 119 , a second clamping member 123 is provided at the end of the roller curtain 122 , and the bottom terminal fixing member 3 is detachably connected to the second clamping member 123 .

[0023] Pull the bottom terminal fixing part 3 to link the roller curtain 122 to the outside of the shell 11, so as to change the relative position between the top sub-fixing part 2 and the bottom terminal fixing part 3; drive the reset unit to link the roller curtain 122 to make it rewind and wrap around the roller body 121, so as to store the top sub-fixing part 2 and the bottom terminal fixing part 3.

[0024] In specific implementation, the function of the retractable roller shutter assembly 1 is to change the relative position between the top sub-fixing member 2 and the bottom terminal fixing member 3 by telescoping, so that the top sub-fixing member 2 and the bottom terminal fixing member 3 can be inserted into terminal screw holes or test holes of different specifications and fixed.

[0025] The function of the roller member is to unfold or store the roller curtain 122, which includes: a roller body 121, a roller curtain 122 and a reset unit connected to the roller curtain 122, the reset unit includes: an axial spring 124 and a spring screw cap 125, the axial spring 124 is sleeved on the middle part of the roller body 121, and the spring screw cap 125 is rotatably connected to the roller body 121, wherein: one end of the axial spring 124 is clamped on the roller body 121, and the other end opposite is clamped on the spring screw cap 125.

[0026] During implementation, the entirety of the reel body 121, the reel curtain 122, the axial spring 124 and the spring screw cap 125 are assembled in the hollow cylinder of the housing 11, one end of the reel body 121 is fastened, and one end of the reel curtain 122 passes through the reel body 121 and is connected to the axial spring 124 of the reset unit. During implementation, the spring screw cap 125 can be rotated along the winding direction of the reel curtain 122 until all the reel curtains 122 are rolled back to the reel body 121.

[0027] In this embodiment, a notch 118 is provided on the housing 11 for the roller curtain 122 to pass through, and the other end of the roller curtain 122 passes through the housing 11 through the notch 118 and extends to the outside of the housing 11 .

[0028] To further tighten the roller curtain 122, the spring screw cap 125 can be further rotated, and then the spring screw cap 125 can be clamped on the roller body 121. The use of the winding structure of the axial spring 124 in this embodiment can save volume. Since the entire stretching distance of the roller curtain 122 in this embodiment is within 2 meters, the axial spring 124 can be wound to meet the assembly requirements, and there is no need to use a steel coil winding structure. In other embodiments, the automatic retraction roller structure of the roller member can also use a steel coil winding structure, but it occupies a larger volume.

[0029] Furthermore, a first clamping member 119 is provided on the housing 11 . The function of the first clamping member 119 is to connect the top sub-fixing member 2 . In this embodiment, the first clamping member 119 is a clamping strip with a ladder-shaped cross section.

[0030] Furthermore, the top sub-fixing member 2 includes: a first connecting seat 21 adapted to be connected to the first clamping member 119, a first bending plate 22 connected to the first connecting seat 21, and a plurality of first bosses 23 for inserting into the terminal screw hole or the test hole, the plurality of first bosses 23 are mounted on the first bending plate 22, and the plurality of first bosses 23 are evenly and equidistantly arranged on the first bending plate 22.

[0031] In this embodiment, a slot having a cross section matching the clip strip of the first clip 119 is formed on the first connection seat 21 , and the two are assembled to fasten the top sub-fixing member 2 to the first clip 119 .

[0032] Preferably, there are multiple first clamping members 119, and the multiple first clamping members 119 are evenly and equidistantly arranged on the housing 11. Such an arrangement is used to enable the top sub-fixing member 2 to be clamped at different positions of the housing 11.

[0033] Furthermore, the bottom terminal fixing member 3 includes: a second connection seat 31 adapted to be connected to the second clamping member 123, a second bending plate 32 connected to the second connection seat 31, and a plurality of second protrusions 33 for inserting into the terminal screw hole or the test hole, and the plurality of second protrusions 33 are mounted on the second bending plate 32. The plurality of second protrusions 33 are evenly arranged on the second bending plate 32 at equal distances.

[0034] In this embodiment, the second clamping member 123 is an aluminum bar with an L-shaped cross section, and the second connecting seat 31 is provided with a slot with a cross section matching the aluminum bar of the second clamping member 123 . The two are assembled to fasten the bottom terminal fixing member 3 to the roller curtain 122 .

[0035] In the specific implementation of the terminal protection device for substation maintenance in this embodiment, the top sub-fixing member 2 is connected through the first clamping member 119, and the bottom terminal fixing member 3 is connected through the second clamping member 123. The relative position between the top sub-fixing member 2 and the bottom terminal fixing member 3 is changed by telescoping the reel member of the telescopic rolling curtain assembly 1, so that the top sub-fixing member 2 and the bottom terminal fixing member 3 can be inserted into terminal screw holes or test holes of different specifications and fixed.

[0036] A terminal protection device for substation maintenance implementing the present invention has the following beneficial effects: the terminal protection device for substation maintenance comprises: a retractable roller shutter assembly, a top terminal fixing member and a bottom terminal fixing member; the retractable roller shutter assembly comprises: a shell, a reel member and an end cover, the shell is a hollow cylindrical structure with an opening at one end, the reel member is installed in the hollow cylinder of the shell, and the end cover is detachably installed at the open end of the shell; the reel member comprises: a reel body, a reel curtain and a reset unit connected to the reel curtain, wherein: one end of the reel body is fastened in the hollow cylinder of the shell, one end of the reel curtain passes through the reel body and is connected to the reset unit, and the other end of the reel curtain passes through the shell It extends to the outside of the shell, wherein: a first clamp is provided on the shell, a top sub-fixing part is detachably connected to the first clamp, a second clamp is provided at the end of the roller curtain, and a bottom terminal fixing part is detachably connected to the second clamp; the bottom terminal fixing part is pulled to link the roller curtain to extend to the outside of the shell, so as to change the relative position between the top sub-fixing part and the bottom terminal fixing part; the reset unit is driven to link the roller curtain to make it rewind and wrap around the roller body, and the top sub-fixing part and the bottom terminal fixing part are stored, and the terminal row of the terminal of the running equipment in the cabinet is blocked by the top sub-fixing part and the bottom terminal fixing part, which can be rewound and reused; the structure is simple and easy to store.

Claims

1. A terminal protection device for substation maintenance, characterized in that: include: Retractable roller blind assembly, top terminal fixture and bottom terminal fixture; The retractable roller blind assembly comprises: a shell, a reel and an end cover, wherein the shell is a hollow cylindrical structure with an opening at one end, the reel is installed in the hollow cylinder of the shell, and the end cover is detachably installed at the open end of the shell; The roller member comprises: a roller body, a roller curtain and a reset unit connected to the roller curtain, wherein: one end of the roller body is fastened in the hollow cylinder of the shell, one end of the roller curtain passes through the roller body and is connected to the reset unit, and the other end of the roller curtain passes through the shell and extends to the outside of the shell, wherein: The housing is provided with a first clamping piece, the top sub-fixing piece is detachably connected to the first clamping piece, the end of the roller curtain is provided with a second clamping piece, the bottom terminal fixing piece is detachably connected to the second clamping piece; Pull the bottom terminal fixing piece to link the roller curtain to extend outside the shell, so as to change the relative position between the top sub-fixing piece and the bottom terminal fixing piece; drive the reset unit to link the roller curtain to make it rewind and wrap around the roller body, so as to store the top sub-fixing piece and the bottom terminal fixing piece.

2. The terminal protection device for substation maintenance according to claim 1, characterized in that: The top sub-fixing member includes: a first connecting seat adapted to be connected to the first clamping member, a first bending plate connected to the first connecting seat, and a plurality of first bosses for inserting into a terminal screw hole or a test hole, wherein the plurality of first bosses are mounted on the first bending plate.

3. The terminal protection device for substation maintenance according to claim 2, characterized in that: The bottom terminal fixing member includes: a second connecting seat adapted to be connected to the second clamping member, a second bending plate connected to the second connecting seat, and a plurality of second bosses for inserting into the terminal screw hole or the test hole, wherein the plurality of second bosses are mounted on the second bending plate.

4. The terminal protection device for substation maintenance according to claim 3, characterized in that: The first clamping member is a clamping bar with a ladder-shaped cross section, and the second clamping member is an aluminum bar with an L-shaped cross section.

5. The terminal protection device for substation maintenance according to claim 1, characterized in that: The housing is provided with a notch for the roller curtain to pass through.

6. The terminal protection device for substation maintenance according to claim 1, characterized in that: The reset unit comprises: an axial spring and a spring screw cap, wherein the axial spring is sleeved on the middle part of the reel body, and the spring screw cap is rotatably connected to the reel body, wherein: one end of the axial spring is clamped on the reel body, and the other end thereof is clamped on the spring screw cap.

7. The terminal protection device for substation maintenance according to claim 6, characterized in that: The roller blind is connected to the axial spring.

8. The terminal protection device for substation maintenance according to claim 3, characterized in that: The plurality of first protrusions are evenly and equidistantly arranged on the first bending plate, and the plurality of second protrusions are evenly and equidistantly arranged on the second bending plate.

9. The terminal protection device for substation maintenance according to claim 1, characterized in that: The first clamping members are provided in plurality, and the plurality of first clamping members are evenly and equidistantly arranged on the housing.

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