CN111493058A - Telescopic mouse board of transformer substation's full-scale - Google Patents
Telescopic mouse board of transformer substation's full-scale Download PDFInfo
- Publication number
- CN111493058A CN111493058A CN202010201131.1A CN202010201131A CN111493058A CN 111493058 A CN111493058 A CN 111493058A CN 202010201131 A CN202010201131 A CN 202010201131A CN 111493058 A CN111493058 A CN 111493058A
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- baffle
- pull box
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- fixing base
- box
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- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 27
- 230000037431 insertion Effects 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- 241000699666 Mus <mouse, genus> Species 0.000 description 17
- 238000007789 sealing Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
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- Life Sciences & Earth Sciences (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The utility model provides a telescopic fender mouse board of transformer substation full-scale, belongs to transformer fortune dimension technical field, including pull box fixing base, pull box and baffle fixing base, be equipped with pull box plug-in body on the pull box, the installation of pegging graft of pull box plug-in body and pull box fixing base, be equipped with the main reel of retractile formula in the pull box, it has long banding notch to open on the lateral wall that pull box is close to the baffle fixing base, the winding has a roll curtain baffle on the main reel, it passes the notch and is connected with the baffle plug-in body to roll up the curtain baffle, the baffle plug-in body is pegged graft with the baffle fixing base and. The automatic retraction winding of the roller shutter baffle plate through the main winding shaft realizes the adjustable stretching length of the roller shutter baffle plate, the roller shutter baffle plate is applicable to door frames with different specifications and sizes, the universality is good, the two sides of the roller shutter baffle plate are respectively spliced and installed with the pull box fixing seat and the baffle fixing seat, the quick installation and the disassembly of the pull box can be realized, when the baffle plate is damaged, the replacement and the maintenance are simple and quick, the disassembly and assembly efficiency is high, the practicability is good, the modular structure can be produced in batches, and the cost is lower.
Description
Technical Field
The invention belongs to the technical field of power transformation operation and maintenance, and particularly relates to a full-size telescopic mouse baffle plate of a transformer substation.
Background
The mouse baffle is a plate-shaped barrier which is arranged at the doorway, has a certain height higher than the ground and has the same width as the door width, and is used for preventing small animals such as mice and the like from entering the room. The mouse baffle plate is widely applied to various industries, and can effectively prevent storage material loss, transformer substation tripping, medical product pollution and other safety accidents caused by small animals entering the room. In a transformer substation, a mouse-proof plate of the transformer substation is used for preventing small animals from entering a transformer room, a master control room and a capacitor. The rat guard that uses now generally has the fixed, fragile scheduling problem of size, can not in time change the installation in the short time after damaging, and the dismouting is not convenient, and can not generally be used for the door frame of various sizes, needs professional factory building customization specific dimension's transformer substation rat guard, and is with high costs, and the limitation is big.
Disclosure of Invention
The invention provides a full-size telescopic mouse baffle plate for a transformer substation, and aims to solve the problems that the existing mouse baffle plate is generally fixed in size, easy to damage and the like, cannot be replaced and installed in time in a short time after being damaged, is inconvenient to disassemble and assemble, cannot be universally used for door frames of various sizes, needs a professional factory building to customize the mouse baffle plate for the transformer substation with a specific size, and is high in cost and large in limitation.
The invention is realized by the following technical scheme.
The utility model provides a telescopic fender mouse board of transformer substation full-scale, includes pull box fixing base, pull box and baffle fixing base, one side that the pull box is close to the pull box fixing base is equipped with the pull box plug-in body, the pull box plug-in body is pegged graft with the pull box fixing base and is installed, be equipped with the main spool of retraction formula in the pull box, it has long banding notch to open on the lateral wall that the pull box is close to the baffle fixing base, the winding has a roll curtain baffle on the main spool, it passes the notch and is connected with the baffle plug-in body to roll up the curtain baffle, the baffle plug-in body is pegged graft with the baffle fixing base and. The automatic retraction winding of the roller shutter baffle plate through the main winding shaft realizes the adjustable stretching length of the roller shutter baffle plate, the roller shutter baffle plate is applicable to door frames with different specifications and sizes, the universality is good, the two sides of the roller shutter baffle plate are respectively spliced and installed with the pull box fixing seat and the baffle fixing seat, the quick installation and the disassembly of the pull box can be realized, when the baffle plate is damaged, the replacement and the maintenance are simple and quick, the disassembly and assembly efficiency is high, the practicability is good, the modular structure can be produced in batches, and the cost is lower.
The invention is further improved in that the drawing box fixing seat is provided with an insertion groove I with an isosceles trapezoid cross section, and the shape of the cross section of the drawing box insertion body is matched with that of the insertion groove I; the baffle fixing seat is provided with an inserting groove II with an isosceles trapezoid cross section, and the cross section of the baffle inserting body is matched with the shape of the baffle fixing seat. The inserting connection of the pulling box inserting body and the pulling box fixing seat and the inserting connection of the baffle plate inserting body and the baffle plate fixing seat are more stable, and certain structural strength is ensured.
The invention is further improved in that the bottom ends of the outer side surfaces of the pull box insertion body and the baffle insertion body are respectively provided with a chamfer. The plug-in connection of the pull box plug-in body and the baffle plug-in body is more convenient and rapid, has a guiding effect and is accurate in plug-in connection.
The invention is further improved in that one side of the drawing box fixing seat far away from the insertion groove I and one side of the baffle fixing seat far away from the insertion groove II are both provided with positioning devices. The positioning device is fixedly arranged on the door frames at the two sides, so that the drawing box can be conveniently replaced and installed.
The invention is further improved in that the positioning device is a strong magnet, the cross section of the strong magnet is in an isosceles trapezoid shape, the side, away from the insertion groove I, of the drawing box fixing seat and the side, away from the insertion groove II, of the baffle fixing seat are both provided with isosceles trapezoid-shaped insertion openings matched with the strong magnet in shape, and the bottom edge openings with shorter insertion sections are outward. Through strong magnet and the actuation of iron door frame, need not other fixed knot and construct, simple structure, it is fixed firm, it is convenient to install, dismantle, easily realizes.
The invention further improves the structure that at least one side of the rolling shutter baffle is tightly attached with a film baffle with a smooth surface, one end of the film baffle is connected with a retractable film scroll which is arranged in the drawing box, and the other end of the film baffle is connected with the baffle plug-in body. The film baffle with smooth surface prevents the small animal from climbing and crossing on the roller shutter baffle, increases the reliability of blocking the mouse, automatically retracts and winds the film baffle through the film reel, ensures that the film baffle is stretched straight, and realizes that the film baffle can be adjusted along with the stretching length of the roller shutter baffle.
The invention is further improved in that an inner pressing roller and an outer pressing roller are arranged on the inner side of the notch, and the film baffle and the roller shutter baffle are tightly pressed through the inner pressing roller and the outer pressing roller. The film baffle is better in fitting performance with the roller shutter baffle, the film baffle is effectively prevented from being separated from the roller shutter baffle, the structural strength of the roller shutter baffle and the smoothness of the film baffle can be effectively combined, and a better mouse blocking effect is guaranteed.
The invention is further improved in that the main reel and the film reel respectively comprise a middle shaft and a positioning plate arranged on the upper wall and the lower wall of the drawing box, the middle shaft is rotatably connected with the positioning plate through a rotating shaft, and the rotating shaft is sleeved with a return spring. The automatic retraction elasticity of the main reel and the film reel is realized through the return spring, the structure is simple, and the realization is easy.
In addition, the inner and outer edges of the notch are rounded. When the telescopic curtain is stretched, the notch is prevented from scratching the film baffle and the rolling curtain baffle, and the telescopic curtain is ensured to stretch freely and smoothly.
The invention further improves that the side surface of the baffle inserting body close to the drawing box is covered with a sealing gasket. When the drawer is not used, the sealing gasket can seal the groove opening, so that a sealing space is formed inside the drawing box, dust is prevented from entering, the running reliability of internal parts is guaranteed, the drawer is convenient to store for a long time, and spare parts can be used for storing.
According to the technical scheme, the invention has the beneficial effects that: 1. the rolling curtain baffle is automatically retracted and wound through the main winding shaft, so that the stretching length of the rolling curtain baffle is adjustable, the rolling curtain baffle can be suitable for door frames of different specifications and sizes, and the universality is good; 2. the two sides of the baffle are respectively inserted and installed with the drawing box fixing seat and the baffle fixing seat, so that the drawing box can be quickly installed and disassembled, when the baffle is damaged, the replacement and the maintenance are simple and quick, the disassembling and assembling efficiency is high, and the practicability is good; 3. the modular structure can be used for mass production, and the cost is lower; 4. the structural strength of the roller shutter baffle and the smoothness of the film baffle are effectively combined, and the reliability of mouse blocking is ensured; 5. the structure is simple, the realization is easy, and the practicability is good.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of the retracted state of the present invention.
FIG. 3 is a schematic view of the main reel and the film reel according to the embodiment of the present invention.
Fig. 4 is a schematic view of a use state of the embodiment of the present invention.
In the drawings: 1. the device comprises a drawing box, 2, a rolling screen baffle, 3, a drawing box fixing seat, 4, a drawing box inserting body, 5, a baffle inserting body, 6, a baffle fixing seat, 7, a positioning device, 8, a main scroll, 9, a film scroll, 10, a notch, 11, an outer pressure roller, 12, an inner pressure roller, 13, a middle shaft, 14, a positioning plate, 15, a rotating shaft, 16, a return spring, 17, a clamping plate, 18, a sealing gasket, 19 and a film baffle.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in the accompanying drawings, a telescopic fender mouse board of transformer substation full size, including pull box fixing base 3, pull box 1 and baffle fixing base 6, pull box plug-in 4 is installed through the bolt to one side that pull box 1 is close to pull box fixing base 3, pull box plug-in 4 is pegged graft with pull box fixing base 3 and is installed, be equipped with the main spool 8 of retraction formula in the pull box 1, it has rectangular form notch 10 to open on the lateral wall that pull box 1 is close to baffle fixing base 6, the winding has a roll curtain baffle 2 on the main spool 8, roll curtain baffle 2 passes notch 10 and is connected with baffle plug-in 5, and roll curtain baffle 2 passes the fixed clamp of splint 17 on the baffle plug-in 5 tightly, baffle plug-in 5 is pegged graft with baffle fixing base 6 and is installed. The winding of returning back through main spool 8 to the automation of rolling up curtain baffle 2, the tensile length of realizing rolling up curtain baffle 2 is adjustable, can be applicable to different specification and dimension's transformer substation door frame, the commonality is good, and both sides respectively with the installation of swiftly pegging graft of pull box fixing base 3 and baffle fixing base 6, can realize the swiftly installation and the dismantlement of pull box 1, when the baffle damages, pull box 1 with roll up curtain baffle 2 and change, maintain simple swift, the dismouting is efficient, the practicality is good, and modular structure, but batch production, the cost is lower.
An insertion groove I with an isosceles trapezoid cross section is formed in the drawing box fixing seat 3, and the cross section of the drawing box insertion body 4 is matched with the shape of the insertion groove I; the baffle fixing seat 6 is provided with an insertion groove II with an isosceles trapezoid cross section, and the cross section of the baffle insertion body 5 is matched with the shape of the baffle fixing seat 6. Chamfers are respectively arranged at the bottom ends of the outer side surfaces of the drawing box inserting body 4 and the baffle inserting body 5. Simple structure, it is stable to peg graft, and structural strength is high, and setting up of chamfer can make things convenient for pull box plug 4 and baffle plug 5 the location, peg graft accurately, has the guide effect.
And a positioning device 7 is arranged on one side of the drawing box fixing seat 3, which is far away from the insertion groove I, and one side of the baffle fixing seat 6, which is far away from the insertion groove II. The positioning device 7 is a strong magnet, the cross section of the strong magnet is isosceles trapezoid, an isosceles trapezoid socket matched with the shape of the strong magnet is formed in one side, away from the insertion groove I, of the drawing box fixing seat 3 and one side, away from the insertion groove II, of the baffle fixing seat 6, and the bottom edge opening with the short section of the socket faces outwards. The positioning device 7 with the strong magnet is attracted with the iron door frame, other fixing structures are not needed to be connected and installed, the structure is simple, the fixation is firm, the installation and the disassembly are convenient and fast, and the realization is easy. The positioning device 7 can also be fixed by bolts, welded and other structural forms.
At least one side of the rolling shutter baffle 2 is tightly attached with a film baffle 19 with a smooth surface, one end of the film baffle 19 is connected with a retractable film reel 9 arranged inside the drawing box 1, and the other end of the film baffle 19 is connected with the baffle plug-in body 5. Smooth surface's film baffle 19 can prevent that the toy from climbing, crossing on rolling up curtain baffle 2, increases the reliability that keeps off the mouse, and the winding is retracted to film baffle 19's automation through film spool 9, guarantees that film baffle 19 is straight, realizes that film baffle 19 is adjustable along with the tensile length of rolling up curtain baffle 2.
An inner pressing roller 12 and an outer pressing roller 11 are arranged on the inner side of the notch 10, and the film baffle 19 and the roller shutter baffle 2 are tightly attached and pressed through the inner pressing roller 12 and the outer pressing roller 11. Through interior compression roller 12 and outer compression roller 11 to film baffle 19 with roll up 2 pressfittings of curtain baffle, it is better to film baffle 19 with roll up 2 laminating nature of curtain baffle, effectively prevents film baffle 19 and the separation of roll curtain baffle 2, can effectively combine together the structural strength and the 19 smoothness of film baffle of rolling up curtain baffle 2, guarantee better fender mouse effect.
The main reel 8 and the film reel 9 both comprise a middle shaft 13 and a positioning plate 14 arranged on the upper wall and the lower wall of the drawing box 1, the middle shaft 13 is rotatably connected with the positioning plate 14 through a rotating shaft 15, and a return spring 16 is sleeved on the rotating shaft 15. The central shaft 13 is wound with the rolling shutter baffle 2 and the film baffle 19, and the automatic retraction elasticity of the main reel 8 and the film reel 9 is realized through the return spring 16, so that the structure is simple and easy to realize.
The inner edge and the outer edge of the notch 10 are both provided with round corners. When the telescopic curtain is stretched, the notch 10 is prevented from scratching the film baffle 19 and the rolling curtain baffle 2, and the telescopic curtain is freely and smoothly stretched.
The side surface of the baffle plug-in body 5 close to the drawing box 1 is covered with a sealing gasket 18. When the drawer is not used, the sealing gasket 18 can seal the notch 10, so that a sealed space is formed inside the drawer box 1, dust is prevented from entering, the operation reliability of internal components is ensured, the drawer is convenient to store for a long time, and spare parts are used for storage.
This telescopic fender mouse board of transformer substation full-scale, when using, at first 7 positioner through strong magnet pull box fixing base 3 and baffle fixing base 6 actuation respectively fix the both sides at the door frame, then peg graft in the inserting groove I on pull box fixing base 3 through pull box plug-in 4, realize the fixed mounting of pull box 1, pulling baffle plug-in 5, make film baffle 19 and roll up curtain baffle 2 and stretch out simultaneously, peg graft in inserting groove II on baffle fixing base 6 until baffle plug-in 5, and through the automatic elasticity that contracts of main reel 8 and film reel 9, make roll up curtain baffle 2 and film baffle 19 and keep the state of tightening, and through the inseparable pressfitting of interior compression roller 12 and external compression roller 11, guarantee to roll up curtain baffle 2 and film baffle 19 and closely laminate, realize existing structural strength, there is the smoothness again, guarantee to keep the reliable stability who keeps off the mouse.
This telescopic fender mouse board of transformer substation full-scale, simple structure, easily realize, the practicality is good, the winding of returning back to rolling up the automation of curtain baffle through the main reel, the tensile length who realizes rolling up the curtain baffle is adjustable, can be applicable to different specification and dimension's door frame, the commonality is good, both sides are respectively with pull box fixing base and baffle fixing base grafting installation, can realize the swift installation and the dismantlement of pull box, when the baffle damages, change, maintain simple swiftly, the dismouting is efficient, modular structure, but batch production, the cost is lower.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a telescopic fender mouse board of transformer substation full-scale, its characterized in that, including pull box fixing base (3), pull box (1) and baffle fixing base (6), one side that pull box (1) is close to pull box fixing base (3) is equipped with pull box plug-in body (4), pull box plug-in body (4) and the installation of pegging graft of pull box fixing base (3), be equipped with the main spool (8) of retraction formula in pull box (1), it has rectangular form notch (10) to open on the lateral wall that pull box (1) is close to baffle fixing base (6), the winding has a roll curtain baffle (2) on main spool (8), roll curtain baffle (2) pass notch (10) and be connected with baffle plug-in body (5), baffle plug-in body (5) and baffle fixing base (6) are pegged graft the installation.
2. The substation full-size telescopic mouse baffle plate according to claim 1, wherein an insertion groove I with an isosceles trapezoid cross section is formed in the drawing box fixing seat (3), and the cross section of the drawing box insertion body (4) is matched with the shape of the insertion groove I; the baffle fixing seat (6) is provided with an insertion groove II with an isosceles trapezoid cross section, and the cross section of the baffle insertion body (5) is matched with the shape of the baffle fixing seat (6).
3. The substation full-size telescopic mouse baffle plate according to claim 2, wherein the bottom ends of the outer side surfaces of the drawing box insertion body (4) and the baffle insertion body (5) are respectively chamfered.
4. The substation full-size telescopic mouse baffle plate according to claim 1, wherein a positioning device (7) is mounted on one side of the drawing box fixing seat (3) far away from the plug-in slot I and one side of the baffle fixing seat (6) far away from the plug-in slot II.
5. The substation full-size telescopic mouse baffle according to claim 4, wherein the positioning device (7) is a strong magnet, the cross section of the strong magnet is isosceles trapezoid, isosceles trapezoid-shaped sockets matched with the strong magnet in shape are formed in both one side of the drawing box fixing seat (3) away from the plug-in groove I and one side of the baffle fixing seat (6) away from the plug-in groove II, and the bottom side of the socket with the shorter cross section is open outwards.
6. The substation full-size telescopic mouse baffle according to claim 1, wherein at least one side of the rolling shutter baffle (2) is provided with a film baffle (19) with a smooth surface in a clinging manner, one end of the film baffle (19) is connected with a retractable film reel (9) installed inside the drawing box (1), and the other end of the film baffle (19) is connected with the baffle plug-in body (5).
7. The substation full-size telescopic mouse baffle according to claim 6, wherein an inner pressing roller (12) and an outer pressing roller (11) are arranged on the inner side of the notch (10), and the film baffle (19) and the roller shutter baffle (2) are tightly pressed through the inner pressing roller (12) and the outer pressing roller (11).
8. The substation full-size telescopic mouse baffle plate according to claim 6, wherein the main reel (8) and the film reel (9) both comprise a central shaft (13) and positioning plates (14) arranged on the upper wall and the lower wall of the drawer box (1), the central shaft (13) is rotatably connected and arranged with the positioning plates (14) through a rotating shaft (15), and the rotating shaft (15) is sleeved with a return spring (16).
9. A substation full-size telescopic rat guard according to claim 1, characterized in that the notches (10) are rounded on both the inner and outer edges.
10. The substation full-size telescopic rat guard according to claim 1, characterized in that the baffle plug-in body (5) is covered with a gasket (18) on the side close to the drawer box (1).
Priority Applications (1)
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CN202010201131.1A CN111493058A (en) | 2020-03-20 | 2020-03-20 | Telescopic mouse board of transformer substation's full-scale |
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CN202010201131.1A CN111493058A (en) | 2020-03-20 | 2020-03-20 | Telescopic mouse board of transformer substation's full-scale |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112086927A (en) * | 2020-09-15 | 2020-12-15 | 殷国辉 | Cable trench for preventing small animals from entering room |
CN113142181A (en) * | 2021-04-28 | 2021-07-23 | 广东电网有限责任公司 | Device for preventing small animals in power station |
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CN108808462A (en) * | 2018-06-29 | 2018-11-13 | 国网江苏省电力有限公司徐州供电分公司 | A kind of multi-functional mouse-proof baffle plate |
CN208972405U (en) * | 2018-10-17 | 2019-06-14 | 吉林市海硕源环保科技有限公司 | Roller shutter type mouse blocking plate |
CN209628474U (en) * | 2019-03-21 | 2019-11-15 | 国网河南省电力公司三门峡市陕州供电公司 | A kind of substation's O&M power transformation box rat preventing device |
CN209865240U (en) * | 2019-04-09 | 2019-12-31 | 青海师范大学 | Stand column barrel table tennis court fence with movable batching cloth |
CN209995209U (en) * | 2019-05-10 | 2020-01-31 | 贵州省烟草公司黔东南州公司 | frame rat blocking curtain for tobacco storehouses |
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CN112086927A (en) * | 2020-09-15 | 2020-12-15 | 殷国辉 | Cable trench for preventing small animals from entering room |
CN112086927B (en) * | 2020-09-15 | 2022-01-07 | 殷国辉 | Cable trench for preventing small animals from entering room |
CN113142181A (en) * | 2021-04-28 | 2021-07-23 | 广东电网有限责任公司 | Device for preventing small animals in power station |
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Application publication date: 20200807 |