CN112421534B - Fastening device capable of compensating expansion amount of cable for power equipment - Google Patents

Fastening device capable of compensating expansion amount of cable for power equipment Download PDF

Info

Publication number
CN112421534B
CN112421534B CN202011086439.2A CN202011086439A CN112421534B CN 112421534 B CN112421534 B CN 112421534B CN 202011086439 A CN202011086439 A CN 202011086439A CN 112421534 B CN112421534 B CN 112421534B
Authority
CN
China
Prior art keywords
plate
rotating
cable
clamping
rotary
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.)
Active
Application number
CN202011086439.2A
Other languages
Chinese (zh)
Other versions
CN112421534A (en
Inventor
周福明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GANSU TRANSMISSION & SUBSTATION ENGINEERING CO.,LTD.
State Grid Gansu Electric Power Co Ltd
Original Assignee
Gansu Transmission & Substation Engineering Co ltd
State Grid Gansu Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gansu Transmission & Substation Engineering Co ltd, State Grid Gansu Electric Power Co Ltd filed Critical Gansu Transmission & Substation Engineering Co ltd
Priority to CN202011086439.2A priority Critical patent/CN112421534B/en
Publication of CN112421534A publication Critical patent/CN112421534A/en
Application granted granted Critical
Publication of CN112421534B publication Critical patent/CN112421534B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30Installations of cables or lines on walls, floors or ceilings
    • H02G3/32Installations of cables or lines on walls, floors or ceilings using mounting clamps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/006Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to the technical field of cable fixing, in particular to a fastening device capable of compensating the expansion amount of a cable for power equipment. The cable fixing device comprises a cable fastening device, wherein a bent cable is arranged at the bottom of the cable fastening device, the cable fastening device comprises two oppositely arranged rotating plates, a rotation limiting device is arranged on the upper side of one end, far away from each other, of each rotating plate, a clamping device is arranged on the lower side of each rotating plate, and a rotation fixing device is arranged at one end, close to each other, of each rotating plate; the rotating plate comprises a rotating sliding plate and a rotating positioning plate arranged at one end of the rotating sliding plate, the rotating limiting device comprises an arc-shaped rotating arc plate, and rotating arc plate positioning plates are arranged at two ends of the rotating arc plate; the rotary fixing device comprises a cylindrical fixed rotary column, and the clamping device comprises an upper clamping device and a lower clamping device arranged at the bottom of the upper clamping device. The invention mainly solves the problem that the rubber skin on the cable is broken due to the fact that the cable shakes along with the fastening device.

Description

Fastening device capable of compensating expansion amount of cable for power equipment
Technical Field
The invention relates to the technical field of cable fixing, in particular to a fastening device capable of compensating the expansion amount of a cable for power equipment.
Background
The cable refers to a material used for electric power, electricity and related transmission purposes, and when the cable on the electric power equipment is fixed, the cable with telescopic compensation is usually adopted, so that the fixed device is prevented from shaking and damaging the cable when the cable is used.
When the fastening device for fixing the cable is fixed on an object which is shaken to some extent, the fastening device can drive the cable to shake along with the shaking of the object, and when the cable shakes, the cable shakes for a long time, so that the rubber skin on the cable is easy to break, and the normal use of the cable is further influenced.
Disclosure of Invention
The present invention is directed to a fastening device for power equipment, which can compensate the expansion and contraction of a cable, to solve the above problems.
In order to achieve the purpose, the fastening device capable of compensating the expansion amount of the cable for the power equipment comprises a cable fastening device, wherein the bottom of the cable fastening device is provided with the cable which is arranged in a bent mode, the cable fastening device comprises two rotating plates which are arranged oppositely, a rotation limiting device is arranged on the upper side of one end, away from each other, of each rotating plate, a clamping device is arranged on the lower side of each rotating plate, and a rotation fixing device is arranged on one end, close to each other, of each rotating plate;
the rotating plate comprises a rotating sliding plate and a rotating positioning plate arranged at one end of the rotating sliding plate, the rotating sliding plate comprises a plate-shaped sliding plate body, the upper surface of one end, away from the rotating positioning plate, of the sliding plate body is fixedly connected with a cylindrical sliding column, the upper end of the sliding column is fixedly connected with a cylindrical sliding block, a T-shaped sliding groove is formed in the bottom of the sliding plate body, a pushing spring is arranged inside the T-shaped sliding groove, the rotating positioning plate comprises a plate-shaped rotating positioning plate body, and one end, away from the rotating sliding plate, of the rotating positioning plate body is provided with a rotating fixing hole;
the rotary limiting device comprises an arc-shaped rotary arc plate, rotary arc plate positioning plates are arranged at two ends of the rotary arc plate, the rotary arc plate comprises an arc-shaped radian lath, an arc-shaped radian sliding groove is formed in the radian lath, an radian sliding groove penetrating through the bottom of the radian lath is formed in the radian lath at the bottom side of the radian sliding groove, the rotary arc plate positioning plate comprises a square positioning plate body, and an L-shaped connecting plate is fixedly connected to one side, close to the upper end, of the positioning plate body;
the rotary fixing device comprises a cylindrical fixed rotary column, the upper end of the fixed rotary column is fixedly connected with a cylindrical upper end connecting plate, and the bottom of the fixed rotary column is fixedly connected with a cylindrical bottom limiting plate;
the clamping device comprises an upper clamping device and a lower clamping device arranged at the bottom of the upper clamping device, a clamping connecting screw and a nut are arranged between the upper clamping device and the lower clamping device, the upper clamping device comprises a clamping block, the upper surface of the clamping block is fixedly connected with upper end sliding blocks with two ends protruding out of two sides of the clamping block, the left side and the right side of the clamping block close to the bottom are fixedly connected with upper end fixing lugs, the bottom of the clamping block is provided with a cable clamping groove which penetrates through the side wall of the clamping block, the lower clamping device comprises a semi-annular clamping semi-ring, the two ends of the clamping semi-ring are fixedly connected with square lower end fixing lugs, the positions on the lower end fixing lugs and the upper end fixing lugs, which are close to the middle part, are provided with cross holes matched with the clamping connecting screws, the clamping connecting screw comprises a clamping screw body, and triangular insertion grooves are uniformly formed in the clamping screw body in an annular arrangement mode.
As a further improvement of the technical solution, the left and right sides of one end of the rotating sliding plate and one end of the rotating positioning plate, which are close to each other, are fixedly connected with square rotating fixing lugs, and rotating plate connecting screws are arranged on the left and right sides of the rotating sliding plate and penetrate through the rotating fixing lugs to connect the rotating sliding plate and the rotating positioning plate together.
As a further improvement of the technical scheme, the sliding block is arranged in the radian sliding groove, the sliding column is arranged in the radian sliding groove, the side fixing screws are symmetrically arranged at the left and right sides of the four corners of one side of the positioning plate body and penetrate through the positioning plate body and are connected to one end of the radian lath in a threaded mode.
As a further improvement of the technical scheme, one end of the clamping block and the upper end sliding block are arranged in the T-shaped sliding groove, the left side and the right side of the bottom of the upper end sliding block and the left side and the right side of the upper end sliding block are symmetrically provided with square rolling placing grooves in a front-back mode, and the rolling placing grooves are fixedly connected with bottom rollers in contact with the bottom of the T-shaped sliding groove and side rollers in contact with the side walls of the T-shaped sliding groove respectively.
As a further improvement of the technical scheme, one side of the clamping block, which is far away from one side of the rotary positioning plate, and one side of the T-shaped sliding groove, which is far away from the rotary positioning plate, which is close to the clamping block, are fixedly connected with each other to form a cylindrical positioning pin column, two end sleeves of the pushing spring are arranged on the positioning pin columns, and one end of the pushing spring is in contact with the side wall of the clamping block.
As a further improvement of the technical scheme, one end of the clamping screw body penetrates through the cross hole and extends out, and one end of the insertion groove is in threaded connection with a nut.
As a further improvement of the technical scheme, the bottom of the upper end fixing lug is fixedly connected with cylindrical inserting pin columns in a bilateral symmetry mode, inserting holes matched with the inserting pin columns are formed in the lower end fixing lug in a bilateral symmetry mode, and one ends of the inserting pin columns are inserted into the inserting holes in an inserting mode.
As a further improvement of the technical scheme, a fixed bearing is fixedly connected to the outer side wall of the fixed rotary column, a fixed bearing placing groove is formed in one end of a rotary fixing hole in the rotary positioning plate body, one end of the fixed bearing is fixedly connected to the inside of the fixed bearing, and two connecting plates which are square plates are connected between the rotary fixing devices in a rolling mode.
As a further improvement of the technical scheme, the upper end connecting holes are annularly arranged on the upper end connecting plate, upper end connecting screws are arranged inside the upper end connecting holes, the connecting plates are bilaterally symmetrically arranged on the connecting plates, and the connecting screws are arranged inside the connecting plates.
As a further improvement of the technical scheme, the inner walls of the cable clamping groove and the clamping semi-rings are fixedly connected with semi-annular rubber plates, one end of the cable penetrates through a gap between the upper clamping device and the lower clamping device, and the side wall of the cable is in contact with the rubber plates.
Compared with the prior art, the invention has the beneficial effects that:
1. in this power equipment is with fastener that can compensate the flexible volume of cable, the clamping device who sets up fixes the cable, and clamping device slides on the rotor plate simultaneously, when cable fastening device followed the fixture and rocked, through pushing away the spring and cushioning rocking on the cable fastening device, reduces the range of rocking on the cable, avoids the cable in often rocking, makes the rubber skin on the cable damage.
2. In this power equipment is with fastener of the flexible volume of compensable cable, the rotatory fixing device of setting is fixed the position of rotor plate, it is rotatory round rotatory fixing device to make the rotor plate, when the cable takes place to sideslip, the rotor plate can follow the cable and remove, make cable fastener produce the flexible scope that the power cable removed to the cable, make the cable can remove, what set up simultaneously links together two rotatory fixing device, make cable fastener fix two positions of cable, make the cable fixed more stable.
3. In the fastening device capable of compensating the expansion amount of the cable, the rotation limiting device is arranged to fix one end of the rotating plate, when the cable drives the rotating plate to move, the rotation limiting device fixes one end of the rotating plate, so that when the rotating plate moves along with the cable, one end of the rotating plate slides in the radian lath, the rotating plate moves more stably, and the cable fastening device can fix the position of the cable conveniently.
4. In the fastening device capable of compensating the expansion amount of the cable for the power equipment, the rotating plate and the rotary limiting device which are convenient to disassemble are arranged, when partial parts on the rotating plate, the rotary limiting device and the clamping device are damaged, the rotating plate, the rotary limiting device and the clamping device are separated by disassembling the rotary arc plate positioning plate and the rotary positioning plate, so that operators can replace parts conveniently, and the replacement cost is saved.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic structural view of a cable fastening device according to embodiment 1;
FIG. 3 is a schematic view of an assembly structure of the rotating plate, the rotation limiting device and the rotation fixing device in embodiment 1;
FIG. 4 is a schematic view of an assembly structure of the rotating plate and the clamping device according to embodiment 1;
FIG. 5 is a schematic sectional view showing the structure of the rotary slide plate according to embodiment 1;
FIG. 6 is a schematic view of a rotary positioning plate according to embodiment 1;
FIG. 7 is a schematic view of a rotary arc plate according to example 1;
FIG. 8 is a schematic view of a rotary arc plate positioning plate according to embodiment 1;
FIG. 9 is a schematic structural view of a rotating fixture according to embodiment 1;
FIG. 10 is a schematic view of a structure of a holding apparatus according to embodiment 1;
FIG. 11 is an exploded view of the holding jig of example 1;
fig. 12 is a schematic sectional view showing an upper clamping device according to embodiment 1.
The various reference numbers in the figures mean:
1. a cable fastening device;
11. a rotating plate;
111. rotating the sliding plate; 1111. a slide plate body; 1112. a sliding post; 1113. a slider; 1114. a T-shaped sliding groove; 1115. a push spring; 1116. positioning the pin column; 1117. rotating the fixing lug;
112. rotating the positioning plate; 1121. rotating the positioning plate body; 1122. rotating the fixing hole; 1123. fixing a bearing placing groove;
113. the rotating plate is connected with a screw;
12. a rotation limiting device;
121. rotating the arc plate; 1211. a radian strip; 1212. a radian sliding groove; 1213. a radian chute;
122. rotating the arc plate positioning plate; 1221. positioning the plate body; 1222. a connecting plate;
123. side fixing screws;
124. a connecting screw;
13. a rotating fixture; 131. fixing the rotating column; 132. an upper end connecting plate; 133. a bottom limiting plate; 134. fixing the bearing; 135. the upper end is connected with a hole; 136. the upper end is connected with a screw;
14. a clamping device;
141. an upper clamping device; 1411. a clamping block; 1412. an upper end slide block; 1413. a cable clamping groove; 1414. the upper end is fixed with a lug; 1415. a cross hole; 1416. inserting pins; 1417. rolling the placing groove; 1418. a bottom roller; 1419. a sidewall roller;
142. a lower clamping device; 1421. clamping the half rings; 1422. a lower end fixing lug; 1423. inserting holes; 1424. a rubber plate;
143. clamping the connecting screw; 1431. a clamping screw body; 1432. inserting grooves;
144. a nut; 15. connecting plate
2. An electrical cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of 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 equipment 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 12, a fastening device for compensating the expansion amount of a cable for a power device is provided, which includes a cable fastening device 1, a cable 2 disposed at the bottom of the cable fastening device 1 in a bent manner, the cable fastening device 1 includes two rotating plates 11 disposed oppositely, a rotation limiting device 12 is disposed on the upper side of the end of each rotating plate 11 away from the other rotating plate, a clamping device 14 is disposed on the lower side of each rotating plate 11, and a rotation fixing device 13 is disposed on the end of each rotating plate 11 close to the other rotating plate;
the rotating plate 11 comprises a rotating sliding plate 111 and a rotating positioning plate 112 arranged at one end of the rotating sliding plate 111, the rotating sliding plate 111 comprises a plate-shaped sliding plate body 1111, a cylindrical sliding column 1112 is fixedly connected to the upper surface of one end, away from the rotating positioning plate 112, of the sliding plate body 1111, a cylindrical sliding block 1113 is fixedly connected to the upper end of the sliding column 1112, a T-shaped sliding groove 1114 is formed in the bottom of the sliding plate body 1111, a positioning spring 1115 is arranged inside the T-shaped sliding groove 1114, the rotating positioning plate 112 comprises a plate-shaped rotating positioning plate body 1121, and a rotating fixing hole 1122 is formed in one end, away from the rotating sliding plate 111, of the rotating positioning plate body 1121;
when the rotating plate 11 in this embodiment is used, the clamping device 14 is installed at the bottom of the rotating plate 11 by connecting the rotating sliding plate 111 and the rotating positioning plate 112, one end of the rotating plate 11 is fixed by the rotating fixing device 13, so that the rotating plate 11 fixes the position of the clamping device 14, when the clamping device 14 fixedly clamps the cable 2, the rotating plate 11 fixes the position of the clamping device 14, and the clamping device 14 can limit the position of the clamping device 14 when clamping the cable 2.
The rotary limiting device 12 comprises an arc-shaped rotary arc plate 121, rotary arc plate positioning plates 122 are arranged at two ends of the rotary arc plate 121, the rotary arc plate 121 comprises an arc-shaped radian lath 1211, an arc-shaped radian sliding groove 1212 is formed in the radian lath 1211, a radian sliding groove 1213 penetrating through the bottom of the radian lath 1211 is formed in the radian lath 1211 at the bottom side of the radian sliding groove 1212, the rotary arc plate positioning plate 122 comprises a square positioning plate body 1221, and an L-shaped connecting plate 1222 is fixedly connected to one side, close to the upper end, of the positioning plate body 1221;
when the rotation limiting device 12 in this embodiment is used, the rotation arc plate positioning plate 122 is fixed at two ends of the rotation arc plate 121 by the side fixing screws 123, and the connecting screw 124 penetrates through the connecting plate 1222, so that the rotation limiting device 12 is fixed at a specified position, when the cable 2 drives the clamping device 14 to move, the moving clamping device 14 drives the rotation plate 11 to rotate around the central axis of the rotation fixing device 13, the sliding block 1113 slides inside the arc sliding groove 1212, the sliding column 1112 slides inside the arc sliding groove 1213, and limits the position of one end of the rotation plate 11, so that the rotation limiting device 12 cooperates with the rotation fixing device 13 to limit the position of the rotation plate 11, the rotation plate 11 cooperates with the clamping device 14 to clamp the cable 2, and the cable 2 is clamped more stably.
The rotary fixing device 13 comprises a cylindrical fixed rotary column 131, the upper end of the fixed rotary column 131 is fixedly connected with a cylindrical upper end connecting plate 132, and the bottom of the fixed rotary column 131 is fixedly connected with a cylindrical bottom limiting plate 133;
when the rotary fixing device 13 in this embodiment is used, the upper end connection screw 136 penetrates the upper end connection hole 135 to fix the position of the rotary fixing device 13 at a designated position, so that the fixed rotary fixing device 13 defines the position of the rotary plate 11, and the connection plate 15 connected to the rotary fixing device 13 defines the position of the rotary fixing device 13, so that when the rotary fixing device 13 is fixed, the fixed position of another rotary fixing device 13 can be conveniently found.
The clamping device 14 comprises an upper clamping device 141 and a lower clamping device 142 arranged at the bottom of the upper clamping device 141, a clamping connecting screw 143 and a nut 144 are arranged between the upper clamping device 141 and the lower clamping device 142, the upper clamping device 141 comprises a clamping block 1411, an upper end slider 1412 with two ends protruding out of two sides of the clamping block 1411 is fixedly connected to the upper surface of the clamping block 1411, upper end fixing lugs 1414 are fixedly connected to the left side and the right side of the clamping block 1411 close to the bottom, a cable clamping groove 1413 penetrating through the side wall of the clamping block 1411 is formed in the bottom of the clamping block 1411, the lower clamping device 142 comprises a semicircular clamping half ring 1421, two ends of the clamping half ring 1421 are fixedly connected with square lower end fixing lugs 1422, a cross hole 1415 matched with the clamping connecting screw 143 is formed in positions, close to the middle, on the lower end fixing lugs 1422 and the upper end fixing lugs 1414, the clamping connecting screw 143 comprises a clamping screw body 1431, and triangular insertion grooves 1432 are uniformly formed in an annular arrangement on the clamping screw body 1431.
When the clamping device 14 in this embodiment is used, one end of the cable 2 is disposed inside the cable clamping groove 1413 and the clamping half ring 1421, the clamping connection screw 143 penetrates the cross-shaped hole 1415, one end of the plug pin 1416 is plugged into the plug hole 1423, the positions of the lower clamping device 142 and the upper clamping device 141 are preliminarily positioned, and the nut 144 is mounted at one end of the clamping connection screw 143, so that the upper clamping device 141 and the lower clamping device 142 are fixedly connected together to clamp and fix the cable 2.
Furthermore, the rotating fixing lugs 1117 are fixedly connected to the left and right sides of the end of the rotating sliding plate 111 close to the rotating positioning plate 112, the rotating plate connecting screws 113 are disposed on the left and right sides of the rotating sliding plate 111, the rotating plate connecting screws 113 penetrate through the rotating fixing lugs 1117 to connect the rotating sliding plate 111 and the rotating positioning plate 112 together, the rotating fixing lugs 1117 are disposed on the rotating sliding plate 111 and the rotating positioning plate 112, and the rotating plate connecting screws 113 are used to connect the rotating sliding plate 111 with the rotating fixing lugs 1117 on the rotating positioning plate 112, so that the rotating sliding plate 111 and the rotating positioning plate 112 can be combined and separated, and the clamping device 14 can be conveniently replaced and installed by an installer.
Specifically, sliding block 1113 sets up the inside at radian sliding tray 1212, sliding column 1112 sets up the inside at radian spout 1213, the four corners department bilateral symmetry of positioning plate body 1221 one side is provided with side set screw 123, side set screw 123 runs through positioning plate body 1221 and threaded connection in the one end of radian lath 1211, use side set screw 123 to install rotatory arc board locating plate 122 at the both ends of rotatory arc board 121, on the both ends shutoff of rotatory arc board 121, make sliding block 1113 slide in radian sliding tray 1212, avoid sliding column 1112 to leave radian lath 1211, be convenient for rotatory stop device 12 fixes the one end of rotor plate 11.
Further, one end of the clamping block 1411 and the upper end slider 1412 are arranged in the T-shaped sliding groove 1114, square rolling placing grooves 1417 are symmetrically formed in the front and back of the left side and the right side of the bottom of the upper end slider 1412 and the left side and the right side of the upper end slider 1412, a bottom roller 1418 in contact with the bottom of the T-shaped sliding groove 1114 and a side roller 1419 in contact with the side wall of the T-shaped sliding groove 1114 are fixedly connected to the inside of the rolling placing grooves 1417, and the bottom roller 1418 and the side roller 1419 are arranged on the bottom and the side wall of the upper end slider 1412, so that the upper end slider 1412 can slide in the T-shaped sliding groove 1114 more conveniently.
Specifically, one side of the clamping block 1411, which is far away from one side of the rotating positioning plate 112 and one side of the T-shaped sliding groove 1114, which is far away from the rotating positioning plate 112, which is close to the clamping block 1411, is fixedly connected with a cylindrical positioning pin 1116, two ends of a push-off spring 1115 are sleeved on the positioning pin 1116, one end of the push-off spring 1115 is in contact with the side wall of the clamping block 1411, the elastic force of the push-off spring 1115 pushes the clamping device 14 to slide in the T-shaped sliding groove 1114, so that the cable 2 clamped by the clamping device 14 is shaken, the shaking force on the cable 2 is buffered, the shaking amplitude of the cable 2 is reduced, the push-off spring 1115 can generate a position when being compressed, the cable fastening device 1 generates a stretching position for the cable 2, the cable fastening device 1 is convenient to protect the cable 2, and the occurrence of a broken condition caused by long-term bending of rubber on the cable 2 is avoided.
In addition, one end of the clamping screw body 1431 penetrates through the cross hole 1415 and extends out, one end of the inserting groove 1432 is in threaded connection with the nut 144, the bottom of the upper end fixing lug 1414 is in bilateral symmetry and is fixedly connected with a cylindrical inserting pin 1416, the lower end fixing lug 1422 is in bilateral symmetry and is provided with an inserting hole 1423 matched with the inserting pin 1416, one end of the inserting pin 1416 is inserted into the inserting hole 1423, the upper clamping device 141 and the lower clamping device 142 are initially positioned, the nut 144 is installed at one end of the clamping connecting screw 143, and the clamping connecting screw 143 connects the upper clamping device 141 and the lower clamping device 142 together.
Further, the fixed bearing 134 is fixedly connected to the outer side wall of the fixed rotating column 131, the fixed bearing placing groove 1123 is formed in one end of the rotating fixing hole 1122 in the rotating positioning plate body 1121, one end of the fixed bearing 134 is fixedly connected to the inside of the fixed bearing 134, the connecting plate 15 in a square plate shape is connected between the two rotating fixing devices 13 in a rolling mode, one end of the fixed bearing 134 is fixed to the inside of the fixed bearing placing groove 1123, the fixed rotating column 131 can rotate in the rotating fixing hole 1122 conveniently, the rotating plate 11 can move along with the swinging of the cable 2, the cable fastening device 1 generates a certain amount of telescopic amount on the cable 2, the normal use of the cable 2 is protected, the connecting plate 15 is used for fixing the position of the rotating fixing device 13, and the position of the rotating fixing device 13 is convenient to fix the position of the rotating fixing device 13.
Specifically, the upper end connecting plate 132 is annularly provided with upper end connecting holes 135, upper end connecting screws 136 are arranged inside the upper end connecting holes 135, connecting plates 1222 are symmetrically arranged on the connecting plates 1222 in the left and right directions, the connecting plates 1222 are provided inside the connecting plates 1222, the upper end connecting screws 136 and the connecting screws 124 are used for fixing the rotary fixing device 13 and the rotary limiting device 12 at specified positions, so that the rotary fixing device 13 and the rotary limiting device 12 fix the position of the cable fastening device 1, and the cable fastening device 1 can clamp the cable 2 conveniently.
Further, a semi-annular rubber plate 1424 is fixedly connected to the inner walls of the cable holding groove 1413 and the holding half rings 1421, one end of the cable 2 penetrates through a gap between the upper holding device 141 and the lower holding device 142, and the side wall of the cable 2 contacts with the rubber plate 1424, the cable 2 is held by the upper holding device 141 and the lower holding device 142, so that the cable 2 is fixed on the holding device 14, and the cable fastening device 1 holds and fixes two positions of the cable 2, and when the cable fastening device 1 is used in a swinging mode, the position of the holding device 14 on the rotating plate 11 is changed by changing the position of the rotating plate 11 on the rotation limiting device 12, so that the cable fastening device 1 generates a telescopic position for protecting the cable 2, and the service life of the cable 2 is prolonged.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A fastening device for a power equipment, which can compensate for the amount of expansion and contraction of a cable, comprises a cable fastening device (1), and is characterized in that: the cable fastening device comprises a cable fastening device (1) and is characterized in that a bent cable (2) is arranged at the bottom of the cable fastening device (1), the cable fastening device (1) comprises two opposite rotating plates (11), a rotation limiting device (12) is arranged on the upper side of one end, far away from each other, of each rotating plate (11), a clamping device (14) is arranged on the lower side of each rotating plate (11), and a rotation fixing device (13) is arranged on one end, close to each other, of each rotating plate (11);
the rotating plate (11) comprises a rotating sliding plate (111) and a rotating positioning plate (112) arranged at one end of the rotating sliding plate (111), the rotating sliding plate (111) comprises a plate-shaped sliding plate body (1111), the upper surface of one end, far away from the rotating positioning plate (112), of the sliding plate body (1111) is fixedly connected with a cylindrical sliding column (1112), the upper end of the sliding column (1112) is fixedly connected with a cylindrical sliding block (1113), the bottom of the sliding plate body (1111) is provided with a T-shaped sliding groove (1114), a pushing spring (1115) is arranged inside the T-shaped sliding groove (1114), the rotating positioning plate (112) comprises a plate-shaped rotating positioning plate body (1121), and one end, far away from the rotating sliding plate (111), of the rotating positioning plate body (1121) is provided with a rotating fixing hole (1122);
the rotary limiting device (12) comprises an arc-shaped rotary arc plate (121), rotary arc plate positioning plates (122) are arranged at two ends of the rotary arc plate (121), the rotary arc plate (121) comprises an arc-shaped radian lath (1211), an arc-shaped radian sliding groove (1212) is formed in the radian lath (1211), an arc sliding groove (1213) penetrating through the bottom of the radian lath (1211) is formed in the radian lath (1211) at the bottom side of the radian sliding groove (1212), the rotary arc plate positioning plate (122) comprises a square positioning plate body (1221), and one side, close to the upper end, of the positioning plate body (1221) is fixedly connected with an L-shaped connecting plate (1222);
the rotary fixing device (13) comprises a cylindrical fixed rotary column (131), the upper end of the fixed rotary column (131) is fixedly connected with a cylindrical upper end connecting plate (132), and the bottom of the fixed rotary column (131) is fixedly connected with a cylindrical bottom limiting plate (133);
the clamping device (14) comprises an upper clamping device (141) and a lower clamping device (142) arranged at the bottom of the upper clamping device (141), a clamping connecting screw (143) and a nut (144) are arranged between the upper clamping device (141) and the lower clamping device (142), the upper clamping device (141) comprises a clamping block (1411), an upper end sliding block (1412) with two ends protruding out of two sides of the clamping block (1411) is fixedly connected to the upper surface of the clamping block (1411), upper end fixing lugs (1414) are fixedly connected to the left side and the right side of the clamping block (1411) close to the bottom, a cable clamping groove (1413) penetrating through the side wall of the clamping block (1411) is formed in the bottom of the clamping block (1411), the lower clamping device (142) comprises a semi-annular clamping ring (1421), and lower end fixing lugs (1422) which are square are fixedly connected to two ends of the clamping half ring (1421), the positions, close to the middle, of the lower end fixing lug (1422) and the upper end fixing lug (1414) are provided with cross holes (1415) matched with the clamping connecting screws (143), each clamping connecting screw (143) comprises a clamping screw body (1431), and triangular insertion grooves (1432) are uniformly arranged on the clamping screw bodies (1431) in an annular mode;
the sliding block (1113) is arranged inside the radian sliding groove (1212), the sliding column (1112) is arranged inside the radian sliding groove (1213), the side fixing screws (123) are symmetrically arranged at the left and right of the four corners of one side of the positioning plate body (1221), and the side fixing screws (123) penetrate through the positioning plate body (1221) and are in threaded connection with one end of the radian lath (1211);
one end of the clamping block (1411) and the upper end slider (1412) are arranged in the T-shaped sliding groove (1114), square rolling placing grooves (1417) are symmetrically formed in the left side and the right side of the bottom of the upper end slider (1412) and the left side and the right side of the upper end slider (1412), and a bottom roller (1418) in contact with the bottom of the T-shaped sliding groove (1114) and a side roller (1419) in contact with the side wall of the T-shaped sliding groove (1114) are fixedly connected inside the rolling placing grooves (1417) respectively;
one side of the clamping block (1411) far away from the rotating positioning plate (112) and one side of the T-shaped sliding groove (1114) far away from the rotating positioning plate (112) close to the clamping block (1411) are fixedly connected with cylindrical positioning pins (1116), two ends of the pushing spring (1115) are sleeved on the positioning pins (1116), and one end of the pushing spring (1115) is in contact with the side wall of the clamping block (1411);
the outer side wall of the fixed rotating column (131) is fixedly connected with a fixed bearing (134), one end of a rotating fixing hole (1122) in the rotating positioning plate body (1121) is provided with a fixed bearing placing groove (1123), one end of the fixed bearing (134) is fixedly connected to the inside of the fixed bearing (134), and a square-plate-shaped connecting plate (15) is connected between the two rotating fixing devices (13) in a rolling manner;
the upper end connecting plate (132) is annularly provided with upper end connecting holes (135), upper end connecting screws (136) are arranged inside the upper end connecting holes (135), the connecting plates (1222) are bilaterally symmetrically provided with connecting plates (1222), and the connecting plates (1222) are internally provided with connecting screws (124).
2. The fastening device for a power equipment, which can compensate for the amount of expansion and contraction of a cable according to claim 1, wherein: the left side and the right side of one end, close to each other, of the rotary sliding plate (111) and the rotary positioning plate (112) are fixedly connected with square rotary fixing lugs (1117), rotary plate connecting screws (113) are arranged on the left side and the right side of the rotary sliding plate (111), and the rotary plate connecting screws (113) penetrate through the rotary fixing lugs (1117) to connect the rotary sliding plate (111) and the rotary positioning plate (112) together.
3. The fastening device for a power equipment, which can compensate for the amount of expansion and contraction of a cable according to claim 1, wherein: one end of the clamping screw body (1431) penetrates through the cross hole (1415) and extends out, and one end of the inserting groove (1432) is connected with a nut (144) in a threaded mode.
4. The fastening device for a power equipment, which can compensate for the amount of expansion and contraction of a cable according to claim 1, wherein: the bottom of the upper end fixing lug (1414) is fixedly connected with a cylindrical inserting pin column (1416) in a bilateral symmetry mode, inserting holes (1423) matched with the inserting pin column (1416) are formed in the lower end fixing lug (1422) in a bilateral symmetry mode, and one end of the inserting pin column (1416) is inserted into the inserting holes (1423).
5. The fastening device for a power equipment, which can compensate for the amount of expansion and contraction of a cable according to claim 1, wherein: the inner walls of the cable clamping groove (1413) and the clamping half rings (1421) are fixedly connected with a semi-annular rubber plate (1424), one end of the cable (2) penetrates through a gap between the upper clamping device (141) and the lower clamping device (142), and the side wall of the cable (2) is in contact with the rubber plate (1424).
CN202011086439.2A 2020-10-12 2020-10-12 Fastening device capable of compensating expansion amount of cable for power equipment Active CN112421534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011086439.2A CN112421534B (en) 2020-10-12 2020-10-12 Fastening device capable of compensating expansion amount of cable for power equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011086439.2A CN112421534B (en) 2020-10-12 2020-10-12 Fastening device capable of compensating expansion amount of cable for power equipment

Publications (2)

Publication Number Publication Date
CN112421534A CN112421534A (en) 2021-02-26
CN112421534B true CN112421534B (en) 2021-12-14

Family

ID=74854703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011086439.2A Active CN112421534B (en) 2020-10-12 2020-10-12 Fastening device capable of compensating expansion amount of cable for power equipment

Country Status (1)

Country Link
CN (1) CN112421534B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113615598B (en) * 2021-08-23 2023-05-26 柴达木羊绒有限公司 Wool scraping fixing structure based on rotation fixing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204578028U (en) * 2015-03-25 2015-08-19 特变电工中发上海高压开关有限公司 A kind of two universal compensation bus unit of expansion joint pressure-balancing type
CN105703310A (en) * 2016-04-25 2016-06-22 辽宁昊轩环保设备有限公司 Fan-shaped buffer used for cable expansion device
CN207117098U (en) * 2017-07-25 2018-03-16 上海赛飞航空线缆制造有限公司 Cable fixer
CN108711797A (en) * 2018-08-16 2018-10-26 福州万山电力咨询有限公司 A kind of modular cable gap bridge expansion compensation device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204578028U (en) * 2015-03-25 2015-08-19 特变电工中发上海高压开关有限公司 A kind of two universal compensation bus unit of expansion joint pressure-balancing type
CN105703310A (en) * 2016-04-25 2016-06-22 辽宁昊轩环保设备有限公司 Fan-shaped buffer used for cable expansion device
CN207117098U (en) * 2017-07-25 2018-03-16 上海赛飞航空线缆制造有限公司 Cable fixer
CN108711797A (en) * 2018-08-16 2018-10-26 福州万山电力咨询有限公司 A kind of modular cable gap bridge expansion compensation device

Also Published As

Publication number Publication date
CN112421534A (en) 2021-02-26

Similar Documents

Publication Publication Date Title
CN112421534B (en) Fastening device capable of compensating expansion amount of cable for power equipment
US5046237A (en) Extractor tool
CN103840215B (en) Lithium ion battery automated production burn-in board
JPH06196230A (en) Connector for connection between boards
US10020604B2 (en) Connection device for electrical connection of an electrical load with a source of electrical power
CN110556718B (en) Switch cabinet
WO2008151641A1 (en) Connector
CN216564439U (en) Connecting device for connecting wire or insulator with cross arm of iron tower
CN116031695A (en) Cable connector and cable parallel device
CN214852116U (en) Shell structure and electronic equipment
US20040026587A1 (en) Device with detachable battery mounting
CN220822118U (en) Adapter and track socket
JP2002175856A (en) Method and device for electrically connecting two objects
CN112467644A (en) Special buckle structure of photovoltaic cable and cable subassembly
CN213878535U (en) Industrial flip socket
CN217333860U (en) Switching device for electrical connection and disconnection
US10177519B2 (en) Connector demating tool and method
CN219309801U (en) Magnet repair jig
CN218648555U (en) Lightning protection device convenient to installation
CN109723949B (en) Supporting device
CN218887642U (en) External power supply connector protection device for electronic engineering
CN218939536U (en) Relay mounting seat
CN213816523U (en) Panel assembly and electrical device
US3786395A (en) Electrical connector
CN219419861U (en) Electrical mounting plate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20211125

Address after: 730000, No. 27, Xijin West Road, Qilihe district, Lanzhou City, Gansu Province

Applicant after: GANSU TRANSMISSION & SUBSTATION ENGINEERING CO.,LTD.

Applicant after: State Grid Gansu Electric Power Company

Address before: 510000 Guangzhou University, 230 Waihuan West Road, University City, Panyu District, Guangzhou City, Guangdong Province

Applicant before: Zhou Fuming

GR01 Patent grant
GR01 Patent grant