CN218976027U - Protective structure for in-out cable of box-type transformer substation - Google Patents
Protective structure for in-out cable of box-type transformer substation Download PDFInfo
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- CN218976027U CN218976027U CN202223374650.1U CN202223374650U CN218976027U CN 218976027 U CN218976027 U CN 218976027U CN 202223374650 U CN202223374650 U CN 202223374650U CN 218976027 U CN218976027 U CN 218976027U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a protection structure for a box-type substation access cable, which comprises an upper shell, a lower shell and a substation side plate, wherein two ends of the upper shell and the lower shell are fixedly connected with two bending protection assemblies respectively, each bending protection assembly comprises four high-rigidity springs and two semi-rings, and two lug blocks are fixedly connected to the outer sides of the semi-rings. The cable is installed between the upper shell and the lower shell and between the two semi-rings, under the limitation of the high-rigidity springs, the bending position of the cable is not only at the contact points of the cable with the lower shell and the end parts of the upper shell, but also at the positions between the lower shell and the end parts of the upper shell and the semi-rings, the bending is smoother, and simultaneously, the four high-rigidity springs can stretch or compress during bending to limit the bending angle, so that the damage caused by excessive bending of the cable is avoided, and the service life of the cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of box-type substations, in particular to a protection structure for an access cable of a box-type substation.
Background
The box-type substation is called a preassembled substation or a preassembled substation. The transformer is assembled with functions of voltage reduction, low-voltage distribution and the like, and is installed in a movable steel structure box which is dampproof, rust-proof, dustproof, rat-proof, fireproof, antitheft, heat-insulating, totally-enclosed, and is especially suitable for urban network construction and transformation, and is a brand-new transformer station which rises after a civil engineering transformer station. The box-type transformer substation is suitable for mines, factory enterprises, oil and gas fields and wind power stations, replaces original civil engineering power distribution houses and power distribution stations, and becomes a novel complete set of power transformation and distribution devices. After the box-type transformer substation is built, external wiring is needed, cables are required to be protected, the current mode is to open holes in the side plates of the transformer substation, pipe sleeves or rubber rings are arranged in the holes, the cables are penetrated through and then sealed, and the mode has the following defects:
at present, the external cable of the transformer substation is routed mostly only to consider the sealing problem, but in use, the external cable is often stressed, for example, external collision or maintenance of internal equipment can all cause the cable to be stressed, so that the cable is easy to bend, the bending is easy to occur at the installation position of the side plate cable of the transformer substation, when the stress is large, large-angle bending can occur, excessive bending can easily cause the cable to be damaged, and the service life of the cable is influenced.
Therefore, we propose a protection structure for the cable of the box-type substation to solve the above problems.
Disclosure of Invention
The utility model aims to provide a protection structure for a box-type substation access cable, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the protection structure of a box-type substation access cable comprises an upper shell, a lower shell and a substation side plate, wherein two ends of the upper shell and the lower shell are fixedly connected with two bending protection components respectively, each bending protection component comprises four high-rigidity springs and two semi-rings, two lugs are fixedly connected to the outer sides of the semi-rings, one end of each high-rigidity spring is fixedly connected to two sides of the top surface of the upper shell, the other end of each high-rigidity spring is fixedly connected to two lugs of one semi-ring, one end of each high-rigidity spring is fixedly connected to two sides of the bottom surface of the lower shell, and the other end of each high-rigidity spring is fixedly connected to two lugs of the other semi-ring;
two rubber semi-rings are fixedly connected to the inner sides of the semi-rings respectively, four side blocks are fixedly connected to the two ends of each semi-ring respectively, second threaded holes are formed in the side blocks vertically, and the two second threaded holes located on the same vertical line are connected with second fixing bolts in a threaded mode.
Preferably, the top surface of the lower shell is provided with a lower half ring groove, a lower sealing half ring pipe is fixedly connected in the lower half ring groove, the bottom surface of the upper shell is provided with an upper half ring groove, and an upper sealing half ring pipe is fixedly connected in the upper half ring groove.
Preferably, the center positions of the two sides of the top surface of the lower shell are fixedly connected with two mounting posts respectively, the center positions of the two sides of the upper shell are vertically provided with two long through holes respectively, the top ends of the long through holes are provided with upper flaring holes, and the bottom ends of the long through holes are provided with flaring holes.
Preferably, the installation pylon is inserted in the flaring hole, a first threaded hole is formed in the top surface of the installation pylon, the first threaded hole is in threaded connection with a first fixing bolt, the first fixing bolt is inserted in the long through hole, and a first fixing bolt nut is inserted in the upper flaring.
Preferably, the U-shaped frame is fixedly sleeved on the outer side of one end of the upper shell, a plurality of mounting through holes are horizontally formed in the U-shaped frame, a plurality of magnetic columns are fixedly connected to two sides of the top surface of the lower shell respectively, a plurality of magnetic grooves are formed in the bottom surface of the lower shell corresponding to the same vertical position of the plurality of magnetic columns, and the magnetic columns are inserted in the magnetic grooves.
Preferably, the reserved through hole is horizontally arranged on the side plate of the transformer substation, the upper shell and the lower shell are slidably inserted in the reserved through hole, the side plate of the transformer substation is positioned on the periphery of the reserved through hole and horizontally fixedly connected with a plurality of inserted columns, the end parts of the inserted columns penetrate through the mounting through holes and are fixedly connected with threaded columns, and the threaded columns are in threaded connection with the mounting nuts.
Compared with the prior art, the utility model has the beneficial effects that:
the cable is installed between the upper shell and the lower shell and between the two semi-rings, under the limitation of the high-rigidity springs, the bending position of the cable is not only at the contact points of the cable with the lower shell and the end parts of the upper shell, but also at the positions between the lower shell and the end parts of the upper shell and the semi-rings, the bending is smoother, and simultaneously, the four high-rigidity springs can stretch or compress during bending to limit the bending angle, so that the damage caused by excessive bending of the cable is avoided, and the service life of the cable is prolonged.
Drawings
FIG. 1 is a schematic diagram of a main structure of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exploded main body structure according to a first embodiment of the present utility model;
FIG. 3 is a schematic view of a cut-away structure of a main body according to a second embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a main body and a substation side plate after installation according to a second embodiment of the present utility model;
fig. 5 is a schematic diagram showing a separation structure of a main body and a side plate of a substation according to a second embodiment of the present utility model.
In the figure: 1. an upper housing; 2. a lower housing; 3. a bending protection component; 4. a substation side plate; 11. an upper half ring groove; 12. an upper sealing half-ring pipe; 13. a U-shaped frame; 14. mounting through holes; 15. an upper flaring; 16. a long through hole; 17. flaring hole; 18. a first fixing bolt; 19. a magnetic groove; 21. a lower half ring groove; 22. a lower sealing half-loop pipe; 23. installing a pylon; 24. a first threaded hole; 25. a magnetic column; 31. a half ring; 32. a high-rigidity spring; 33. ear pieces; 34. a rubber half ring; 35. a side block; 36. a second threaded hole; 37. a second fixing bolt; 41. reserving a through port; 42. inserting a column; 43. a threaded column; 44. and (5) installing a nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a box-type substation business turn over cable's protective structure, including last casing 1, lower casing 2 and transformer substation curb plate 4, two rigid spring 32 and two semi-rings 31 are including four to two bending protection components 3 of rigid connection respectively in last casing 1 and lower casing 2 both ends, bending protection component 3, semi-ring 31 outside rigid connection two ear pieces 33, wherein two rigid spring 32 one end rigid connection in last casing 1 top surface both sides, the other end rigid connection is on two ear pieces 33 of one semi-ring 31, other two rigid spring 32 one end rigid connection in lower casing 2 bottom surface both sides, the other end rigid connection is on two ear pieces 33 of another semi-ring 31;
the inner sides of the two semi-rings 31 are fixedly connected with two rubber semi-rings 34 respectively, two ends of the two semi-rings 31 are fixedly connected with four side blocks 35 respectively, second threaded holes 36 are vertically formed in the side blocks 35, the two second threaded holes 36 on the two side blocks 35 positioned on the same vertical line are in threaded connection with second fixing bolts 37, cables are arranged between the upper shell 1 and the lower shell 2 and between the two semi-rings 31, under the limitation of the high-rigidity springs 32, bending positions of the cables do not only occur at the contact points of the cables with the lower shell 1 and the end parts of the upper shell 2, but also occur between the lower shell 1 and the end parts of the upper shell 2 and the semi-rings 31, bending is smoother, simultaneously, stretching or compression phenomena occur to the four high-rigidity springs 32 during bending, the bending angle is limited, the situation that damage is caused by excessive bending of the cables is avoided, and the service life of the cables is prolonged.
Example 2:
referring to fig. 3-5, in a second embodiment of the present utility model, based on the previous embodiment, a lower half ring groove 21 is formed on the top surface of the lower housing 2, a lower sealing half ring groove 22 is fixedly connected in the lower half ring groove 21, an upper half ring groove 11 is formed on the bottom surface of the upper housing 1, an upper sealing half ring groove 12 is fixedly connected in the upper half ring groove 11, and a cable is installed between the lower sealing half ring groove 22 and the upper sealing half ring groove 12, so as to ensure tightness.
Two mounting posts 23 are fixedly connected to the center positions of the two sides of the top surface of the lower shell 2 respectively, two long through holes 16 are vertically formed in the center positions of the two sides of the upper shell 1 respectively, an upper flaring 15 is formed in the top end of each long through hole 16, and a flaring hole 17 is formed in the bottom end of each long through hole.
The mounting post 23 is inserted into the flaring hole 17, a first threaded hole 24 is formed in the top surface of the mounting post 23, the first threaded hole 24 is in threaded connection with a first fixing bolt 18, the first fixing bolt 18 is inserted into the long through hole 16, a nut of the first fixing bolt 18 is inserted into the upper flaring hole 15, and the upper shell 1 and the lower shell 2 are fixedly connected through the first fixing bolt 18.
The U-shaped frame 13 is fixedly sleeved on the outer side of one end of the upper shell 1, a plurality of mounting through holes 14 are horizontally formed in the U-shaped frame 13, a plurality of magnetic columns 25 are fixedly connected to two sides of the top surface of the lower shell 2 respectively, a plurality of magnetic grooves 19 are formed in the bottom surface of the lower shell 2 corresponding to the same vertical position of the plurality of magnetic columns 25, and the magnetic columns 25 are spliced in the magnetic grooves 19.
Reserved through holes 41 are horizontally formed in the side plates 4 of the transformer substation, the upper shell 1 and the lower shell 2 are slidably inserted into the reserved through holes 41, a plurality of inserting columns 42 are horizontally and fixedly connected to the positions, on the periphery sides of the reserved through holes 41, of the side plates 4 of the transformer substation, the end parts of the inserting columns 42 penetrate through the mounting through holes 14 and are fixedly connected with threaded columns 43, and the threaded columns 43 are in threaded connection with mounting nuts 44.
Example 3:
referring to the bodies 1-5, in the third embodiment of the present utility model, the cable is placed on the lower sealing half collar 22 on the lower housing 2 during installation, then the upper housing 1 is buckled on the lower housing 2, the magnetic posts 25 and the magnetic grooves 19 are mutually spliced to fix the cable, then the first fixing bolts 18 are installed, then the two half rings 31 are buckled on the outer sides of the cable, the second fixing bolts 37 are used to fix the cable, then the upper housing 1 and the lower housing 2 are inserted into the reserved through holes 41 on the side plate 4 of the transformer substation, at the moment, the inserting posts 42 are inserted into the installation through holes 14, and the nuts 44 are screwed on, so that the cable is installed between the upper housing 1 and the lower housing 2 and between the two half rings 31, under the limitation of the high rigidity springs 32, the bending position of the cable does not only appear on the contact points of the cable with the ends of the lower housing 1 and the upper housing 2 when the cable is stressed, but appears at the positions between the ends of the lower housing 1 and the upper housing 2 and the upper housing 31, and the cable is smoother, and the bending angle of the cable is prevented from being excessively prolonged when the cable is bent, and the bending angle is excessively limited.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a protective structure of box-type substation business turn over cable, includes casing (1), lower casing (2) and transformer substation's curb plate (4), its characterized in that:
two bending protection components (3) are fixedly connected to two ends of the upper shell (1) and the lower shell (2) respectively, the bending protection components (3) comprise four high-rigidity springs (32) and two semi-rings (31), two lugs (33) are fixedly connected to the outer sides of the semi-rings (31), one end of each high-rigidity spring (32) is fixedly connected to two sides of the top surface of the end part of the upper shell (1), the other end of each high-rigidity spring is fixedly connected to two lugs (33) of one semi-ring (31), one end of each high-rigidity spring (32) is fixedly connected to two sides of the bottom surface of the end part of the lower shell (2), and the other end of each high-rigidity spring is fixedly connected to two lugs (33) of the other semi-ring (31);
two rubber semi-rings (34) are fixedly connected to the inner sides of the semi-rings (31) respectively, four side blocks (35) are fixedly connected to the two ends of the semi-rings (31) respectively, second threaded holes (36) are formed in the side blocks (35) vertically, and the two second threaded holes (36) located on the same vertical line are connected with second fixing bolts (37) in a threaded mode.
2. The protective structure for access cables of a box-type substation according to claim 1, wherein: the top surface of the lower shell (2) is provided with a lower half ring groove (21), a lower sealing half ring pipe (22) is fixedly connected in the lower half ring groove (21), the bottom surface of the upper shell (1) is provided with an upper half ring groove (11), and an upper sealing half ring pipe (12) is fixedly connected in the upper half ring groove (11).
3. The protective structure for access cables of a box-type substation according to claim 1, wherein: two mounting pylons (23) are fixedly connected to the center positions of the two sides of the top surface of the lower shell (2) respectively, two long through holes (16) are formed in the center positions of the two sides of the upper shell (1) respectively vertically, an upper flaring (15) is formed in the top end of each long through hole (16), and a flaring hole (17) is formed in the bottom end of each long through hole.
4. A protective structure for access cables of a box-type substation according to claim 3, characterized in that: the mounting post (23) is inserted into the flaring hole (17), a first threaded hole (24) is formed in the top surface of the mounting post (23), the first threaded hole (24) is in threaded connection with a first fixing bolt (18), the first fixing bolt (18) is inserted into the long through hole (16), and a nut of the first fixing bolt (18) is inserted into the upper flaring (15).
5. The protective structure for access cables of a box-type substation according to claim 1, wherein: the U-shaped frame (13) is fixedly sleeved on the outer side of one end of the upper shell (1), a plurality of mounting through holes (14) are horizontally formed in the U-shaped frame (13), a plurality of magnetic columns (25) are fixedly connected to two sides of the top surface of the lower shell (2) respectively, a plurality of magnetic grooves (19) are formed in the bottom surface of the lower shell (2) corresponding to the same vertical position of the plurality of magnetic columns (25), and the magnetic columns (25) are spliced in the magnetic grooves (19).
6. The protective structure for access cables of a box-type substation according to claim 5, wherein: reserved through openings (41) are horizontally formed in the side plates (4) of the transformer substation, the upper shell (1) and the lower shell (2) are slidably inserted into the reserved through openings (41), the side plates (4) of the transformer substation are located at the positions of the periphery of the reserved through openings (41) and horizontally fixedly connected with a plurality of inserting columns (42), the end parts of the inserting columns (42) penetrate through the mounting through holes (14) and are fixedly connected with threaded columns (43), and the threaded columns (43) are in threaded connection with mounting nuts (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374650.1U CN218976027U (en) | 2022-12-15 | 2022-12-15 | Protective structure for in-out cable of box-type transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223374650.1U CN218976027U (en) | 2022-12-15 | 2022-12-15 | Protective structure for in-out cable of box-type transformer substation |
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| CN218976027U true CN218976027U (en) | 2023-05-05 |
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| CN202223374650.1U Active CN218976027U (en) | 2022-12-15 | 2022-12-15 | Protective structure for in-out cable of box-type transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116315286A (en) * | 2023-05-16 | 2023-06-23 | 淮安新瑞电力设备有限公司 | Outdoor energy storage cabinet |
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2022
- 2022-12-15 CN CN202223374650.1U patent/CN218976027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116315286A (en) * | 2023-05-16 | 2023-06-23 | 淮安新瑞电力设备有限公司 | Outdoor energy storage cabinet |
| CN116315286B (en) * | 2023-05-16 | 2024-02-13 | 淮安新瑞电力设备有限公司 | Outdoor energy storage cabinet |
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