CN110932207B - Combined cable fixing and plugging device and working method thereof - Google Patents
Combined cable fixing and plugging device and working method thereof Download PDFInfo
- Publication number
- CN110932207B CN110932207B CN201911310601.1A CN201911310601A CN110932207B CN 110932207 B CN110932207 B CN 110932207B CN 201911310601 A CN201911310601 A CN 201911310601A CN 110932207 B CN110932207 B CN 110932207B
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- China
- Prior art keywords
- cable
- hole
- fixing
- positioning
- ring
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Classifications
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- 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
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- 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
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- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/305—Cable entries
-
- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
Abstract
The invention relates to a combined cable fixing and plugging device and a working method thereof, wherein the combined cable fixing and plugging device comprises a rectangular frame, a positioning plate is fixedly connected to the inner wall of the bottom end of the rectangular frame, a through hole vertically penetrates through the positioning plate, a plurality of positioning grooves are symmetrically formed in the upper surfaces of the left side and the right side of the positioning plate, the opposite positioning grooves on the left side and the right side are respectively inserted and clamped through two ends of a transverse spoke, a plurality of fixing blocks are uniformly distributed on the through hole between the transverse spoke and the positioning plate and between adjacent transverse spokes along the left and right directions, a circular truncated cone-shaped through hole vertically penetrates through the middle part of each fixing block from top to bottom, and cables penetrate through the through holes and are sleeved and fixed through a fixing ring and then are clamped in the through holes.
Description
Technical Field
The invention relates to a combined cable fixing and plugging device and a working method thereof.
Background
A large number of screen cabinets exist in the power system, and secondary cables entering a secondary disc cabinet are tightly blocked in a fireproof mode by a field operation box body according to the requirement of fireproof standards. The current general technology is to reserve the cable hole, adopt PLASTIC LAMINATED, fire prevention mud, fire prevention package after the cable is fixed, carry out the shutoff. The problem is that 1. the plugging is not tight, and a gap exists between the circular secondary cable and the cable hole. The operation of cable updating and changing is difficult, and the increase and decrease of cables need to be rearranged and plugged. 3. The fire-proof mud is corrosive, and is especially suitable for metal parts of terminal box body and base.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a combined cable fixing and plugging device and a working method thereof, which are simple and reasonable in structure, convenient and fast to use and capable of effectively performing fireproof plugging.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a modular plugging device is fixed to cable, including a rectangular frame, this rectangular frame bottom inner wall department has linked firmly a locating plate, and the vertical opening that runs through has been seted up to locating plate left and right sides upper surface symmetry, all inserts the joint respectively through horizontal spoke both ends on the opposite locating groove of the left and right sides, between horizontal spoke and the locating plate, all on the opening and along the equipartition in the left and right directions between the adjacent horizontal spoke have a plurality of fixed blocks, the equal vertical through-hole that has the round platform form in fixed block middle part, the cable all passes and cup joints fixed back card through a solid fixed ring from the through-hole and establishes in the through-hole.
Further, the opening is the rectangle, and the constant head tank is provided with eight altogether, and the side is respectively four about the locating plate, and four and equally divide into five regions around the opening are installed to the horizontal spoke that corresponds, and there are five fixed blocks along the left and right sides equipartition in every region, all closely laminate between the fixed block.
Furthermore, the fixed blocks are all in a trapezoidal table shape and are all inserted in the through holes from top to bottom in an inverted mode, and the inclined edges of the fixed blocks are respectively clamped between the transverse spokes and the positioning plate and between the adjacent transverse spokes; the aperture of the through hole is big end up.
Further, the lower surface of the left side and the right side of the transverse spoke is fixedly connected with a convex block, and the transverse spoke is inserted into the positioning groove through the convex block to be positioned.
Further, the outer surface of the fixing ring is in a circular table shape matched with the through hole, the fixing ring is inserted into the through hole and fixed, the center of the fixing ring is a tapered hole with a large top and a small bottom, a cable positioning ring is coaxially arranged in the tapered hole, the periphery of the cable positioning ring is in a circular table shape matched with the tapered hole, the cable positioning ring comprises a left half ring and a right half ring which are symmetrical left and right, and the periphery of the left half ring and the right half ring can be locked by a plurality of bolts uniformly distributed along the inclined edge.
Furthermore, the middle part of the cable positioning ring is provided with a cable positioning hole which is coaxial with the conical hole and is also in an inverted circular truncated cone shape; the outer surface of the cable positioning ring and the surface of the conical hole are contact surfaces, and the contact surfaces are all in a frosted particle shape.
A working method of a combined cable fixing and plugging device is carried out according to the following steps: the method comprises the following steps of horizontally installing a rectangular frame at the bottom in a screen cabinet, inserting four transverse spokes into corresponding positioning grooves in a front-back parallel manner, installing fixing blocks, fixing corresponding fixing rings in through holes, sequentially penetrating cables through the through holes and conical holes from bottom to top, tightly attaching left half rings and right half rings of cable positioning rings to the cables, locking the cables through corresponding bolts, and finally inserting the cable positioning rings into the conical holes for clamping.
Compared with the prior art, the invention has the following beneficial effects:
1. the whole supporting force of the cable can be borne, and the fixation of the secondary control cable is realized;
2. four transverse spokes are arranged and 25 fixing blocks are arranged to form an upper and lower interlayer effect, so that fireproof plugging can be effectively realized; the clearance between the cable and the through hole is minimized by the design of the fixing ring and the cable positioning ring, so that the requirement of tight plugging of the cable hole is met;
3. the number of the cables is increased or decreased simply and conveniently, and the corresponding through holes are plugged by the plugs when part of the fixing blocks are not used;
4. the installation is convenient, the use is simple, and the device is suitable for secondary systems such as relay protection, automatic devices and the like to be used in control cable wiring entering a screen cabinet.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of a partial mounting of a mounting block in an embodiment of the invention;
FIG. 2 is a schematic view of an internal cutaway of the fixation block;
FIG. 3 is a schematic view of the cable positioning ring according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the transverse spokes and the bosses in the embodiment of the present invention.
In the figure: 1-rectangular frame, 2-positioning plate, 3-through hole, 4-positioning groove, 5-transverse spoke, 6-fixing block, 7-through hole, 8-fixing ring, 9-lug, 10-conical hole, 11-cable positioning ring, 12-bolt and 13-cable positioning hole.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-4, a modular plugging device is fixed to cable, including a rectangular frame 1, this rectangular frame bottom inner wall department has linked firmly a locating plate 2, and the vertical through has opening 3 on this locating plate, and a plurality of constant head tanks 4 have been seted up to locating plate left and right sides upper surface symmetry, all insert the joint respectively through 5 both ends of horizontal spoke on the opposite constant head tank of left and right sides, between horizontal spoke and the locating plate, all on the opening and along the equipartition in the left and right directions between adjacent horizontal spoke have a plurality of fixed blocks 6, the vertical through-hole 7 that has the round platform form about the fixed block middle part is equal, and the cable all passes from the through-hole and cup joints fixed back card through a solid fixed ring 8 and establishes in the through-hole.
In the embodiment of the invention, the through holes are rectangular, the number of the positioning grooves is eight, the number of the left side and the right side of the positioning plate is four, the corresponding transverse spokes are provided with four, the front and the rear of each through hole are equally divided into five areas, five fixing blocks are evenly distributed in each area along the left and right directions, and the fixing blocks are tightly attached to each other.
In the embodiment of the invention, the fixed blocks are all in a trapezoidal table shape and are all inserted in the through hole from top to bottom, and the inclined edges of the fixed blocks are respectively clamped between the transverse spokes and the positioning plate and between the adjacent transverse spokes; the aperture of the through hole is big end up.
Further, horizontal spoke left and right sides lower surface all links firmly lug 9, and horizontal spoke is all inserted through this lug and is established in the constant head tank location.
In the embodiment of the invention, the outer surface of the fixing ring is in a circular truncated cone shape matched with the through hole, the fixing ring is inserted into the through hole and fixed, the center of the fixing ring is a tapered hole 10 with a large upper part and a small lower part, a cable positioning ring 11 is coaxially arranged in the tapered hole, the periphery of the cable positioning ring is in a circular truncated cone shape matched with the tapered hole, the cable positioning ring comprises a left half ring and a right half ring which are bilaterally symmetrical, the left half ring and the right half ring can be locked by a plurality of bolts 12 uniformly distributed along the bevel edge at the periphery, and the bolt design at different positions can effectively adapt to the positioning of cables with different sizes.
In the embodiment of the invention, the middle part of the cable positioning ring is provided with a cable positioning hole 13 which is coaxial with the conical hole and is also in an inverted frustum shape; the cable positioning ring surface is the contact surface with bell mouth surface, and this contact surface is dull polish graininess to increase the friction of contact surface, realize the chucking.
A working method of the combined cable fixing and plugging device is carried out according to the following steps: the method comprises the following steps of horizontally installing a rectangular frame at the bottom in a screen cabinet, inserting four transverse spokes into corresponding positioning grooves in a front-back parallel manner, installing fixing blocks, fixing corresponding fixing rings in through holes, sequentially penetrating cables through the through holes and conical holes from bottom to top, tightly attaching a left half ring and a right half ring of a cable positioning ring to the cables, locking the cables through corresponding bolts, and finally driving the positioning ring to be inserted into the conical holes to be clamped under the action of the self gravity of the cables.
The invention is not limited to the above-mentioned preferred embodiments, and other various forms of combined cable fixing and plugging devices and working methods thereof can be obtained by anyone in light of the present invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (4)
1. The utility model provides a plugging device is fixed to modular cable which characterized in that: the cable fixing device comprises a rectangular frame, wherein a positioning plate is fixedly connected to the inner wall of the bottom end of the rectangular frame, an opening is vertically penetrated through the positioning plate, a plurality of positioning grooves are symmetrically formed in the upper surfaces of the left side and the right side of the positioning plate, the opposite positioning grooves in the left side and the right side are respectively inserted and clamped into two ends of a transverse spoke, a plurality of fixing blocks are uniformly distributed on the opening and along the left and right directions between the transverse spoke and the positioning plate and between adjacent transverse spokes, a circular truncated cone-shaped through hole vertically penetrates through the middle part of each fixing block, and a cable penetrates through the through hole and is clamped in the through hole after being sleeved and fixed through a fixing ring; the outer surface of the fixing ring is in a circular truncated cone shape matched with the through hole, the fixing ring is inserted into the through hole and fixed, the center of the fixing ring is a tapered hole with a large upper part and a small lower part, a cable positioning ring is coaxially arranged in the tapered hole, the periphery of the cable positioning ring is in a circular truncated cone shape matched with the tapered hole, the cable positioning ring comprises a left half ring and a right half ring which are bilaterally symmetrical, and the left half ring and the right half ring can be locked by a plurality of bolts which are uniformly distributed along the bevel edge at the periphery; the through holes are rectangular, the number of the positioning grooves is eight, the number of the positioning plates is four on the left side and the right side, four corresponding transverse spokes are arranged, the front and the back of each through hole are equally divided into five areas, five fixing blocks are evenly distributed in each area along the left and right directions, and the fixing blocks are tightly attached to each other; the fixed blocks are all in a trapezoidal table shape and are all inserted in the through holes from top to bottom, and the inclined edges of the fixed blocks are respectively clamped between the transverse spokes and the positioning plate and between the adjacent transverse spokes; the aperture of the through hole is big end up.
2. The combined cable fixing and plugging device according to claim 1, wherein: the lower surface of the left side and the right side of the transverse spoke is fixedly connected with a convex block, and the transverse spoke is inserted into the positioning groove through the convex block to be positioned.
3. The combined cable fixing and plugging device according to claim 1, wherein: the middle part of the cable positioning ring is provided with a cable positioning hole which is coaxial with the conical hole and is also in an inverted frustum shape; the outer surface of the cable positioning ring and the surface of the conical hole are contact surfaces, and the contact surfaces are all in a frosted particle shape.
4. A method for operating a combined cable-fastening and plugging device, characterized in that a combined cable-fastening and plugging device according to any one of claims 1 to 3 is used, and the method comprises the following steps: the method comprises the following steps of horizontally installing a rectangular frame at the bottom in a screen cabinet, inserting four transverse spokes into corresponding positioning grooves in a front-back parallel manner, installing fixing blocks, fixing corresponding fixing rings in through holes, sequentially penetrating cables through the through holes and conical holes from bottom to top, tightly attaching left half rings and right half rings of cable positioning rings to the cables, locking the cables through corresponding bolts, and finally inserting the cable positioning rings into the conical holes for clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310601.1A CN110932207B (en) | 2019-12-18 | 2019-12-18 | Combined cable fixing and plugging device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310601.1A CN110932207B (en) | 2019-12-18 | 2019-12-18 | Combined cable fixing and plugging device and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110932207A CN110932207A (en) | 2020-03-27 |
| CN110932207B true CN110932207B (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310601.1A Active CN110932207B (en) | 2019-12-18 | 2019-12-18 | Combined cable fixing and plugging device and working method thereof |
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| Country | Link |
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| CN (1) | CN110932207B (en) |
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| CN101692571A (en) * | 2009-09-30 | 2010-04-07 | 张新华 | Quick cable deicing device and power component thereof |
| CN103427389A (en) * | 2013-07-26 | 2013-12-04 | 河南省电力公司洛阳供电公司 | Communication equipment base occluder |
| CN205195224U (en) * | 2015-12-22 | 2016-04-27 | 常州市科能电器有限公司 | Cable draws sealing cap that reaches standard grade |
| CN205724711U (en) * | 2016-04-19 | 2016-11-23 | 国家电网公司 | A kind of cable duct bank leakage proof water jacket dress |
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| Publication number | Publication date |
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| CN110932207A (en) | 2020-03-27 |
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