CN111725707A - Cable overlap joint fixing device - Google Patents
Cable overlap joint fixing device Download PDFInfo
- Publication number
- CN111725707A CN111725707A CN202010721159.8A CN202010721159A CN111725707A CN 111725707 A CN111725707 A CN 111725707A CN 202010721159 A CN202010721159 A CN 202010721159A CN 111725707 A CN111725707 A CN 111725707A
- Authority
- CN
- China
- Prior art keywords
- cable
- device body
- lap joint
- main unit
- ring main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
Abstract
The invention provides a cable lap joint fixing device, which comprises a device body and a cable fixing component positioned on the device body, wherein the device body is of a groove-shaped structure and can cover the bottom of a high-voltage ring main unit, the device body is bent at the contact surface with the high-voltage ring main unit to form a bending belt, the bottom surface of the device body far away from the bending belt is provided with a through hole for a cable to pass through, the bottom of the high-voltage ring main unit is provided with a plurality of screw holes, the bending belt is provided with small holes matched with the screw holes in size, the bending belt is sequentially inserted into the small holes and the screw holes through bolts to relatively fix the bending belt and the bottom of the high-voltage ring main unit, so that the device body is fixed at the bottom of the high-voltage ring main unit, the cable fixing component comprises a connecting plate, a supporting plate and a clamping, after the installation, the safety distance between the bottom of the ring main unit and the lap joint part of the cable can be increased, and the cable can be fixed to reduce the stress of the copper bar.
Description
Technical Field
The invention relates to the technical field of cable lapping of high-voltage ring main units, in particular to a cable lapping and fixing device.
Background
At present, part of high-voltage ring main units require the height of a cabinet body to be 1850mm due to design and site construction, the height of the cabinet body limits the installation of element switch equipment in the cabinet, the reasonable arrangement of equipment in the cabinet and the safe distance between cable head lap joints and the ground cannot be guaranteed, one-time on-site cable lap joint is influenced, and potential safety hazards exist, so that the technical problems existing in the prior art need to be solved urgently.
Disclosure of Invention
In order to solve the above technical problem, an embodiment of the present invention provides a cable overlapping and fixing device, including a device body and a cable fixing assembly located on the device body, where the device body is in a groove-shaped structure and can cover the bottom of a high-voltage ring main unit, a contact surface of the device body and the high-voltage ring main unit is bent to form a bending belt, and a through hole for a cable to pass through is formed in a bottom surface of the device body away from the bending belt.
Furthermore, a plurality of screw holes are formed in the bottom of the high-voltage ring main unit, small holes matched with the screw holes in size are formed in the bending belt, the bending belt is inserted into the small holes and the screw holes in sequence through bolts to enable the bending belt to be fixed to the bottom of the high-voltage ring main unit, and therefore the device body is fixed to the bottom of the high-voltage ring main unit.
Furthermore, the cable fixing component consists of a connecting plate, a supporting plate and a clamping plate, wherein the clamping plate, the supporting plate and the connecting plate are sequentially connected together.
Furthermore, the connecting plate is of an L-shaped structure,
furthermore, the clamping plate, the supporting plate and the connecting plate sequentially penetrate through the screw rod, and the end parts of the clamping plate, the supporting plate and the connecting plate are detachably connected through nuts.
Further, the clamp plate and the support plate are combined to form a space through which a cable can pass, the space being vertically coincident with the through hole of the device body.
Further, the cable fixing component is arranged inside the device body.
Furthermore, the connecting plate is detachably connected with the device body through a nut.
The invention has the beneficial effects that:
1) the invention can increase the safety distance between the bottom of the ring main unit and the lap joint part of the cable after installation.
2) Under the condition that the cabinet body is lower (1850mm), the internal equipment is reasonably arranged, the requirements of relevant standards of a power system are met, the on-site one-time cable lap joint is facilitated, and potential safety hazards are eliminated.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a high-voltage ring main unit.
Fig. 2 is an assembly structure diagram of the cable overlapping and fixing device and the high-voltage ring main unit.
Fig. 3 is a schematic view showing the construction of the cable lap-joint fixing device of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Reference numerals: 10-device body, 11-bending belt, 111-small hole, 12-through hole, 20-cable fixing component, 21-connecting plate, 22-supporting plate, 23-clamping plate, 30-high-voltage ring main unit and 31-screw hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a high-voltage ring main unit, fig. 2 is an assembly structural diagram of a cable overlapping and fixing device and the high-voltage ring main unit, the cable overlapping and fixing device includes a device body 10 and a cable fixing component 20 located on the device body 10, the device body 10 is in a groove-shaped structure and can cover the bottom of the high-voltage ring main unit 30, a contact surface of the device body 10 and the high-voltage ring main unit 30 is bent to form a bending belt 11, and a through hole 12 through which a cable can pass is arranged on a bottom surface of the device body 10 away from the bending belt 11.
In some preferred embodiments, the bottom of the high-voltage ring main unit 30 is provided with a plurality of screw holes 31, the bending strap 11 is provided with small holes 111 with sizes matched with the screw holes 31, and the bending strap 11 is inserted into the small holes 111 and the screw holes 31 in sequence through bolts to fix the bending strap 11 and the bottom of the high-voltage ring main unit 30 relatively, so that the device body 10 is fixed at the bottom of the high-voltage ring main unit 30.
In some preferred embodiments, the cable fixing assembly 20 is composed of a connection plate 21, a support plate 22 and a clamping plate 23, and the clamping plate 23, the support plate 22 and the connection plate 21 are sequentially connected together.
In other preferred embodiments, referring to fig. 4, fig. 4 is a partial enlarged view of a portion a in fig. 3, and the connecting plate 21 has an "L" shape.
In some preferred embodiments, the clamping plate 23, the support plate 22 and the connecting plate 21 are threaded in sequence through a threaded rod, removably connected at the ends by nuts.
In certain preferred embodiments, the clamping plate 23 and the support plate 22 combine to form a space through which a cable can pass, which coincides in the vertical direction with the through hole 12 in the device body 10.
In some preferred embodiments, referring to fig. 3, fig. 3 is a schematic structural view of a cable overlapping and fixing device according to the present invention, wherein the cable fixing assembly 20 is disposed inside the device body 10.
In some preferred embodiments, the connection plate 21 is detachably connected to the apparatus body 10 by a screw.
The working principle of the invention is as follows: the bottom of the high-voltage ring main unit is provided with a hole, so that the cable lap joint fixing device is stably and reliably arranged at the bottom of the high-voltage ring main unit, and the distance between a copper bar and the bottom of the high-voltage ring main unit is ensured; the cable lap joint fixing device is additionally provided with a cable fixing component in the distance guaranteeing device, and the cable fixing component is used for fixing a cable and reducing the stress of a copper bar.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (8)
1. A cable lap joint fixing device is characterized in that: the cable fixing device comprises a device body (10) and a cable fixing assembly (20) located on the device body (10), wherein the device body (10) is of a groove-shaped structure and can cover the bottom of a high-voltage ring main unit (30), the device body (10) is bent to form a bending belt (11) on a contact surface of the high-voltage ring main unit (30), and a through hole (12) through which a cable can pass is formed in the bottom surface, away from the bending belt (11), of the device body (10).
2. A cable lap joint fixture according to claim 1, wherein: a plurality of screw holes (31) have been seted up to the bottom of high-pressure looped netowrk cabinet (30), seted up on bending strap (11) with aperture (111) of screw hole (31) size looks adaptation, bending strap (11) insert aperture (111) and screw hole (31) in proper order through the bolt and make bending strap (11) and high-pressure looped netowrk cabinet (30) bottom relatively fixed to make device body (10) fix high-pressure looped netowrk cabinet (30) bottom.
3. A cable lap joint fixture according to claim 2, wherein: the cable fixing component (20) is composed of a connecting plate (21), a supporting plate (22) and a clamping plate (23), and the clamping plate (23), the supporting plate (22) and the connecting plate (21) are sequentially connected together.
4. A cable lap joint fixture according to claim 3, wherein: the connecting plate (21) is of an L-shaped structure.
5. The cable lap joint fixture device according to claim 4, wherein: the clamping plate (23), the supporting plate (22) and the connecting plate (21) penetrate through the screw rod in sequence, and the end parts of the clamping plate, the supporting plate and the connecting plate are detachably connected through nuts.
6. The cable lap joint fixture device of claim 5, wherein: the clamp plate (23) and the support plate (22) are combined to form a space through which a cable can pass, the space being vertically coincident with the through hole (12) of the apparatus body (10).
7. The cable lap joint fixture device of claim 6, wherein: the cable fixing component (20) is arranged inside the device body (10).
8. The cable lap joint fixture device according to claim 4, wherein: the connecting plate (21) is detachably connected with the device body (10) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010721159.8A CN111725707A (en) | 2020-07-24 | 2020-07-24 | Cable overlap joint fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010721159.8A CN111725707A (en) | 2020-07-24 | 2020-07-24 | Cable overlap joint fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111725707A true CN111725707A (en) | 2020-09-29 |
Family
ID=72573444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010721159.8A Pending CN111725707A (en) | 2020-07-24 | 2020-07-24 | Cable overlap joint fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111725707A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079078A (en) * | 1992-03-27 | 1993-12-01 | 美国电话电报公司 | The cabinet that improved long cable section of ingoing line seals is housed |
| EP0647997A1 (en) * | 1993-10-05 | 1995-04-12 | Industria Lombarda Materiale Elettrico I.L.M.E. S.P.A. | Casing for through cables particularly for mounting on electric panel boards |
| CN203787798U (en) * | 2014-03-12 | 2014-08-20 | 安徽合电正泰电气成套设备有限公司 | Cable clip fixing device for ring main unit (RMU) |
| CN205544164U (en) * | 2015-12-19 | 2016-08-31 | 安徽中电兴发与鑫龙科技股份有限公司 | High tension switchgear cabinet body cable hole sealing device |
| CN107482489A (en) * | 2017-08-21 | 2017-12-15 | 安徽省颍上县正泰电器有限责任公司 | A kind of higher cellular-type power distribution cabinet of security performance |
| CN207010198U (en) * | 2017-08-04 | 2018-02-13 | 张雪莲 | A kind of cable protecting device of roller mill |
| CN207442238U (en) * | 2017-11-30 | 2018-06-01 | 安徽广祺智能电器股份有限公司 | A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable |
| CN207530310U (en) * | 2017-10-30 | 2018-06-22 | 上海众杰电力科技有限公司 | A kind of ring main unit cable protecting device |
| CN208157870U (en) * | 2018-03-31 | 2018-11-27 | 绍兴市上虞区舜兴电力有限公司 | A kind of ring network cabinet cable cabin structure |
| CN208674849U (en) * | 2018-06-29 | 2019-03-29 | 江西鑫尔利电力科技有限公司 | A kind of cable branch box device |
| CN209545124U (en) * | 2019-05-05 | 2019-10-25 | 潘尚永 | A kind of cable distribution box of railway power engineering |
-
2020
- 2020-07-24 CN CN202010721159.8A patent/CN111725707A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079078A (en) * | 1992-03-27 | 1993-12-01 | 美国电话电报公司 | The cabinet that improved long cable section of ingoing line seals is housed |
| EP0647997A1 (en) * | 1993-10-05 | 1995-04-12 | Industria Lombarda Materiale Elettrico I.L.M.E. S.P.A. | Casing for through cables particularly for mounting on electric panel boards |
| CN203787798U (en) * | 2014-03-12 | 2014-08-20 | 安徽合电正泰电气成套设备有限公司 | Cable clip fixing device for ring main unit (RMU) |
| CN205544164U (en) * | 2015-12-19 | 2016-08-31 | 安徽中电兴发与鑫龙科技股份有限公司 | High tension switchgear cabinet body cable hole sealing device |
| CN207010198U (en) * | 2017-08-04 | 2018-02-13 | 张雪莲 | A kind of cable protecting device of roller mill |
| CN107482489A (en) * | 2017-08-21 | 2017-12-15 | 安徽省颍上县正泰电器有限责任公司 | A kind of higher cellular-type power distribution cabinet of security performance |
| CN207530310U (en) * | 2017-10-30 | 2018-06-22 | 上海众杰电力科技有限公司 | A kind of ring main unit cable protecting device |
| CN207442238U (en) * | 2017-11-30 | 2018-06-01 | 安徽广祺智能电器股份有限公司 | A kind of sealing structure, ring main unit and the distribution system of looped network cabinet wire cable |
| CN208157870U (en) * | 2018-03-31 | 2018-11-27 | 绍兴市上虞区舜兴电力有限公司 | A kind of ring network cabinet cable cabin structure |
| CN208674849U (en) * | 2018-06-29 | 2019-03-29 | 江西鑫尔利电力科技有限公司 | A kind of cable branch box device |
| CN209545124U (en) * | 2019-05-05 | 2019-10-25 | 潘尚永 | A kind of cable distribution box of railway power engineering |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200929 |