CN107947085B - Outer revolution mechanic of lead frame line - Google Patents
Outer revolution mechanic of lead frame line Download PDFInfo
- Publication number
- CN107947085B CN107947085B CN201711273834.XA CN201711273834A CN107947085B CN 107947085 B CN107947085 B CN 107947085B CN 201711273834 A CN201711273834 A CN 201711273834A CN 107947085 B CN107947085 B CN 107947085B
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- wire clamp
- wire
- arc
- base body
- support
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims description 20
- 239000011229 interlayer Substances 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 abstract description 33
- 230000001174 ascending effect Effects 0.000 abstract 2
- 239000004020 conductor Substances 0.000 description 20
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G7/125—Damping spacers
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
Abstract
The utility model provides a wire frame line structure, relates to overhead transmission line technical field, is in including frame and evenly distributed the card line structure of frame side, its characterized in that, the frame has at least three card line unit, card line unit has the supporting seat and sets up card line base on the supporting seat, the supporting seat has first axis, card line base has the second axis, the supporting seat is in the ascending length of first axis is less than card line base is in the ascending length of second axis. The three wire clamping units are fixedly connected end to form a closed frame. The invention aims to solve the problem of rapidly unloading the pressure on the spacer under the condition of keeping the structural strength of the spacer unchanged after the area of the spacer is increased.
Description
Technical Field
The invention relates to the technical field of overhead transmission lines, in particular to an off-line rotary structure of a lead frame.
Background
The compact power transmission line can improve natural transmission power, reduce the width of a line corridor and has high social and economic values. However, since the compact transmission line compresses the phase conductor spacing, the compact transmission line can have more serious consequences than a normal transmission line. The use of an effective way to control the galloping of compact transmission lines is a significant problem.
It is generally believed that the generation of transmission line galloping is primarily dependent on "three factors," namely "uneven icing of the wire surface", "suitable wind excitation" and "dance-prone line structure parameters". Among them, "uneven icing" is a necessary condition for line galloping, and is also the most important one. Therefore, if the wire can be prevented from generating uneven ice coating, or the degree of uneven ice coating of the wire can be effectively reduced, the wire is certainly very beneficial to preventing and treating the galloping.
At present, the spacing rod used for overhead transmission lines in China has the following two forms: (1) The wire clamp is a damping wire clamp fixedly held with the sub-wires. The spacer has a certain effect in the aspects of restraining breeze vibration and sub-span vibration of the power transmission line, but the spacer is not beneficial to uniform icing of the wires. Under the general condition, the wire is easy to form eccentric ice coating (uneven ice coating) on the windward side, and if the wire is a single wire, the wire can rotate around the axis of the wire due to the eccentric moment formed by the eccentric ice coating, so that the wire can generate relatively even symmetrical ice coating in the processes of continuous icing and continuous rotation, and the circuit is difficult to dance. However, for the split conductor, after the sub-conductor generates eccentric ice coating, the conductor is difficult to rotate around the axis of the conductor due to the existence of the holding force of the spacing rod clamp, so that the eccentric ice coating becomes more serious, and the so-called: uneven icing in the shapes of a fan, a crescent, a D and the like, and the uneven icing excites wind to form positive feedback, so that system energy is accumulated, and finally the system energy is unstable to cause galloping, and the reason that a split conductor is easier to gallop than a single conductor is also that the split conductor is provided with the positive feedback. And (2) all six wire clamps of the spacer are rotary wire clamps. This form of spacer, when mounted on the wire, reduces the degree of uneven icing of the wire, but also reduces the overall torsional stiffness of the split wire, which under a certain wind excitation may cause the split wire to turn over (twist into a twist).
In recent years, the construction amount investment of the ultra-high voltage engineering of the country is increased, the requirement amount of the conductor spacer for a large area is increased, the conductor spacing of the original eight split spacer rod is 400mm, the conductor spacing is 1045mm, the conductor area is 900-1000 square millimeters, but in order to adapt to the large capacity output of the advanced power grid, the spacer rod type number needs to be adjusted, the conductor spacing needs to be 550mm, the conductor spacing is 1437mm, and the conductor area is 1250 square millimeters. Because the area of the wire is increased, the difficulty of manufacturing the spacer is increased, only a 1000T high-pressure casting machine is needed to build the spacer, and in order to adapt to a new large-area spacer, at least 1600T high-pressure casting machine is needed to build the spacer, and the load of the wire is increased because the wind resistance is increased after the area is increased.
The utility model discloses a preformed armor clamp, gyration fastener conductor spacer double pendulum prevents dance ware in the publication of publication number CN201829902U, prevent dance ware by preformed armor clamp, gyration fastener, preformed armor clamp, conductor spacer body, yoke plate and tup and constitute, gyration fastener and preformed armor clamp use the perpendicular bisector of conductor spacer body to install in the both sides of conductor spacer body as the symmetry axis, the subconductor is held to the gyration fastener, the subconductor that the preformed armor clamp held the winding had the preformed armor clamp, the yoke plate is the chevron, and its upper end is connected with the conductor spacer body, and its lower extreme is connected with two tups.
Firstly, the transmission capacity of the power grid in the prior art is large in the power grid which is not applied for, and the comparison document has only four clamps and smaller transmission area, so that the transmission can be realized only by a smaller cross-sectional area, and the structure is stable and the anti-galloping simple treatment is facilitated; however, when the capacity of the power grid becomes large in the application, the structural stability and anti-galloping treatment in the prior art are not suitable for the application.
Disclosure of Invention
In order to solve the problems, the invention aims to solve the problem that wires with larger capacity of a power grid are separated and ensure that the wires work normally in high wind and low temperature.
The technical aim of the invention is realized by the following technical scheme: the outer rotary structure of the lead frame is characterized by comprising at least four lead frame units, wherein each lead frame unit is provided with a supporting part and a wire clamping part connected with the supporting part;
The wire clamping part comprises a rotary wire clamp and a fixed wire clamp, and the quantity of the rotary wire clamps is equal to that of the fixed wire clamps;
The support portion comprises a base body and a support base body, the base body is provided with a first central axis, the support base body is provided with a second central axis, and the length of the base body on the first central axis is smaller than that of the support base body on the second central axis.
The cross-sectional area of the spacer is increased due to the large capacity output of the power grid, the effective cross-sectional area is slightly larger than that of the prior art, in order to avoid the effect of air flow on the spacer, the cross-sectional area is reduced as much as possible after the sufficient structural strength is provided, the cross-sectional area is reduced by making the base body narrower when the structural strength allows, but the supporting base body extends out of the base body when the structural strength allows to ensure the large capacity output of the power grid, and the applicant of the structure overcomes the problem of reducing wind resistance when the structural strength is sufficient and meets the requirement of the large capacity power grid. The structural strength can be normally operated in windy weather, such as wind speed of 11-17m/s, and at low temperature, such as-20-30 ℃.
Preferably, the base body is provided with at least one channel.
Preferably, the support base body has an end support having a fixing main shaft hole and a fixing auxiliary shaft hole, and the end support is fixedly connected with the wire clamping part through the fixing main shaft hole and the fixing auxiliary shaft hole; the support base body is provided with a tail base body, and the tail base body and the base body are connected into a whole.
Preferably, the fixed wire clamp comprises a wire clamp body and a wire clamp cover plate, and the wire clamp body and the wire clamp cover plate are mutually matched to fix the transmission wire.
Preferably, the pin joint between the wire clamp body and the wire clamp cover plate comprises a hinge pin arranged at the end parts of the wire clamp body and the wire clamp cover plate, and a cotter pin and a stop pin arranged at the tail part of the hinge pin.
Preferably, the rotary wire clamp comprises a wire clamp support body and a swinging wire clamp body, wherein the wire clamp support body is fixedly connected to the support base body, and the swinging wire clamp body is slidably arranged on the wire clamp support body and swings around the rotation center of the swinging wire clamp body; the swinging wire clamp body is composed of a wire clamp body and a wire clamp gland, the wire clamp body and the wire clamp gland are connected into a whole through a pin shaft and form a cylinder shape, and a clamping hole for fixedly holding a wire is formed in the center of the cylindrical swinging wire clamp body; a continuous arc-shaped sliding rail is arranged on the cylindrical surface of the wire clamp body along the circumferential direction of the cylindrical surface of the wire clamp body; the end part of the wire clamp support body is provided with a sliding block, and the sliding block is arranged in the arc-shaped sliding rail in a sliding way.
Preferably, an arc interlayer space is formed in the cylindrical surface of the wire clamp body, the arc interlayer space forms the arc sliding rail, and an arc groove communicated with the arc interlayer space is formed in the outer surface of the cylindrical surface of the wire clamp body; the sliding block is formed by two L-shaped sliding bodies which are relatively fixed on two sides of the end part of the wire clamp support body, and the sliding bodies penetrate through the arc-shaped grooves and are arranged in the arc-shaped interlayer space.
Preferably, the two L-shaped sliding bodies are sleeved with a guide sliding sleeve at the position of the arc-shaped groove, and the width of the guide sliding sleeve is the same as that of the arc-shaped groove.
Preferably, the arc interlayer space is provided with an inner wall surface and an outer wall surface which are coaxial with the clamping holes; the contact side surfaces of the two L-shaped sliding bodies and the outer wall surface of the arc interlayer space are inclined surfaces.
Preferably, one ends of the wire clamp body and the wire clamp gland are hinged by a first pin shaft; the other end is connected by a second pin shaft, two ends of the second pin shaft are in fit contact with pin shaft holes of the wire clamp body, the middle section of the second pin shaft is matched with pin shaft holes of the wire clamp gland, and the diameter of the middle section of the second pin shaft is smaller than that of the two ends in a step shape.
The beneficial technical effects of the invention are as follows:
The structure strength problem and the galloping problem of the spacer are solved when the transmission capacity of the power grid becomes large. The structure strength is formed by integrally forming the wire frame unit, the effective area of contact between air and the spacer is reduced, the effective area of the spacer is reduced to the minimum under the condition that the structure strength allows, firstly, the width of the base body is reduced, and then, the base body is hollow by arranging a channel on the base body.
In addition, because the application aims at the environments of strong wind, low temperature and the like, ice coating can be necessarily generated on the line; in order to solve the problem of ice coating in the prior art, a rotary wire clamp is arranged, and when the wire clamp is excited by wind, the wire clamp rotates around the direction perpendicular to the length direction of a wire, and the rotation inhibits the formation of constant-shape icing or snow on a subconductor, so that the degree of uneven ice coating of the subconductor is effectively reduced, the galloping amplitude of the subconductor is reduced, and the galloping track of the subconductor is changed into a non-circular shape; the mode that preformed armor rod and fastener preformed armor rod holder together fix the subconductor, make the wind vibration energy on the subconductor pass through preformed armor rod furthest and transmit to fastener preformed armor rod holder, absorb the vibration energy through rubber lining tile in this process, therefore the preformed armor rod can effectively restrain subconductor secondary span vibration, reduces the damage of secondary span vibration to the wire that strong wind arouses. The wire clamp in the prior art needs to be excited by wind, but when wind in the environment can not excite the wire clamp to rotate, ice coating can be generated on the wire, the rotary wire clamp and the fixed wire clamp are symmetrically arranged in a large number and equal, uneven weight of each wire can be generated in the process of ice coating, so that the spacer can certainly incline, when the spacer inclines, half of wires are fixed by the wire clamp, the other half of wires can rotate, when the spacer rotates, the wires for fixing the wire clamp can certainly generate rotation force, and the wires in the rotary wire clamp can certainly not generate rotation force, so that the whole spacer can certainly generate rotation force, and the spacer which is rotated for 120 degrees at most can be reset from new, and the ice coating covered on the wires can be removed completely in the process. And because the fixed wire clamp of the spacer is provided with the fan blade, the fan blade is movable and is used for fixing the offset position to prevent the spacer from being stressed unevenly to cause spacer galloping when the spacer is offset, and the structure of the fan blade is described in detail in the embodiment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another construction of the present invention;
Within the above figures: 1-wire frame unit, 2-rotation wire clamp, 3-fixed wire clamp, 4-base body, 5-support base body, 11-support portion, 12-wire clamping portion, 21-wire clamp support body, 22-swing wire clamp body, 31-wire clamp body, 32-wire clamp cover plate, 40-channel, 41-hinge pin, 42-cotter pin, 43-stop pin, 51-fixed main shaft hole and 52-fixed auxiliary shaft hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The outer rotary structure of the lead frame as shown in fig. 1 comprises eight lead frame units 1, wherein each lead frame unit 1 is provided with a supporting part 11 and a wire clamping part 12 connected with the supporting part 11; the wire clamping part 12 is divided into a rotary wire clamp 2 and a fixed wire clamp 3, and the quantity of the rotary wire clamps 2 is equal to that of the fixed wire clamps 3; the support 11 includes a base body 4 and a support base body 5, the base body 4 has a first central axis, the support base body 5 has a second central axis, the length of the base body 4 on the first central axis is smaller than the length of the support base body 5 on the second central axis, in short, the base body 4 is narrower than the support base body 5, and two channels 40 are provided on the base body 4, so that the cross section effective area of the base body 4 is made as small as possible to ensure small wind resistance under the condition of ensuring sufficient structural strength.
The support base body 5 has an end support having a fixed main shaft hole 51 and a fixed auxiliary shaft hole 52, the end support being fixedly connected to the wire clamping portion 12 through the fixed main shaft hole 51 and the fixed auxiliary shaft hole 52, a cross being provided in the fixed main shaft hole 51, and a rubber column being provided in the cross; the wire clamping part 12 comprises a wire clamp body 31 and a wire clamp cover plate 32, and the wire clamp body 31 and the wire clamp cover plate 32 are matched with each other to fix a transmission wire; the pin joint between the wire clamp body 31 and the wire clamp cover plate 32 comprises a hinge pin 41 arranged at the end parts of the wire clamp body 31 and the wire clamp cover plate 32, and a cotter pin 42 and a stop pin 43 arranged at the tail parts of the hinge pin. And the clip body 31 is in the form of a shuttle.
The supporting base body 5 is provided with a tail base body, and the tail base body and the base body 4 are connected into a whole and are formed by integral molding.
The rotary wire clamp 2 comprises a wire clamp support body 21 and a swinging wire clamp body 22, wherein the wire clamp support body 21 is fixedly connected to the support base body 5, and the swinging wire clamp body 22 is slidably arranged on the wire clamp support body 21 and swings around the rotation center of the swinging wire clamp body; the swinging wire clamp body 22 consists of a wire clamp body and a wire clamp gland which are connected into a whole through a pin shaft to form a cylinder, and a clamping hole for fixedly holding a wire is formed in the center of the cylindrical swinging wire clamp body 22; a continuous arc-shaped sliding rail is arranged on the cylindrical surface of the wire clamp body along the circumferential direction of the cylindrical surface; the end of the wire clamp support body 21 is provided with a sliding block, and the sliding block is arranged in the arc-shaped sliding rail in a sliding way.
The arc-shaped sliding rail is only arranged on the wire clamp body continuously, but not straddled on the two half clamp bodies as in the prior art, so that no seam exists in the arc-shaped sliding rail, and the sliding of the sliding block in the arc-shaped sliding rail is continuous and smooth. And further the swinging of the swinging wire clamp body around the rotation center of the swinging wire clamp body can be smoothly performed.
An arc interlayer space is formed in the cylindrical surface of the wire clamp body, the arc interlayer space forms an arc sliding rail, and an arc groove communicated with the arc interlayer space is formed in the outer surface of the cylindrical surface of the wire clamp body; the sliding blocks are formed by two L-shaped sliding bodies which are relatively fixed on two sides of the end part of the wire clamp supporting body, and the sliding bodies penetrate through the arc-shaped grooves and are arranged in the arc-shaped interlayer space.
When the wire clamp is assembled, the two L-shaped sliding bodies pass through the arc-shaped grooves, and then are fixed on two sides of the end part of the wire clamp support body by bolts.
The parts of the two L-shaped sliding bodies, which are positioned in the arc grooves, are sleeved with guide sliding sleeves, and the guide sliding sleeves are made of rubber materials; and each sliding body can be respectively sleeved with one guide sliding sleeve, and the assembled width of the two guide sliding sleeves is the same as that of the arc-shaped groove.
Because the width of the guide sliding sleeve is the same as that of the arc-shaped groove, when the sliding body slides in the sliding rail, the guide sliding sleeve and the arc-shaped groove are matched to play a role in limiting and guiding, so that the sliding block is always positioned at the middle position of the arc-shaped groove, and can not shake left and right, and the sliding process can be smoothly performed. Meanwhile, the sliding guide sleeve made of rubber materials can also avoid noise caused by collision between the sliding body and the edge of the limit position of the arc-shaped groove.
The arc interlayer space is provided with an inner wall surface and an outer wall surface which are coaxial with the clamping holes, and the two sliding bodies are arranged between the two wall surfaces in a sliding way; in order to enable the sliding bodies to slide in the arc-shaped interlayer space more smoothly, the contact side surfaces of the two L-shaped sliding bodies and the outer wall surface of the arc-shaped interlayer space are inclined surfaces.
In order to reduce the weight of the rotary wire clamp, the wire clamp gland is made into a hollow structure.
One ends of the wire clamp body and the wire clamp gland are hinged by a first pin shaft; the other end is connected by a second pin shaft, two ends of the second pin shaft are in fit contact with pin shaft holes of the wire clamp body, the middle section of the second pin shaft is in fit with pin shaft holes of the wire clamp gland, the second pin shaft is in a step shape, the diameter of the middle section of the second pin shaft is smaller than that of the two ends, after a wire is placed in the clamping hole, the wire clamp gland is pressed on the wire, the second pin shaft penetrates through the pin shaft holes corresponding to the wire clamp body and the wire clamp gland, the wire clamp body and the wire clamp gland are connected together, at the moment, the wire clamp gland is pushed outwards due to expansion of the wire and the lining tiles, the two ends of the pin shaft hole of the wire clamp gland are just clamped at step parts at two sides of the middle section of the wire clamp gland, which is smaller in diameter, and the second pin shaft cannot withdraw from the pin shaft hole due to the stop of the step part, so that the wire clamp gland can be prevented from being opened accidentally; a spring pin hole is formed in one side of a pin shaft hole of the wire clamp body, and after the second pin shaft penetrates through the pin shaft hole corresponding to the wire clamp body and the wire clamp gland, the spring pin can be used for fixing and locking at one end of the second pin shaft, so that the second pin shaft is prevented from falling out of the pin shaft hole.
A wind fixing structure is arranged in a closed frame surrounded by eight wire frame units 1 shown in fig. 2, and the wind fixing structure comprises an inner ring fixedly connected with the frame through two welded fixed connection points; the inner ring is sleeved with a blade structure. The blade structure comprises a blade bracket sleeved on the inner ring, wherein the blade bracket comprises a vertical rod of which one end is connected to the left side of one fixed connection point and the other end is connected to the right side of the other fixed connection point; the utility model also comprises a cross rod vertically fixed on the vertical rod. The cross bar is fixedly provided with a fixed wind blade.
The wind-fixing structure is characterized in that when the air flow acts on the blade structure, pressure is applied to the blade structure, so that the whole wind-fixing structure has stable displacement towards the air flow direction, the stable displacement refers to that the displacement distance of the wind speed in a designated space is constant, and the pressure is uniform and continuous.
The rotating blade support is arranged to adapt to the air flows coming from different directions, and the rotating angle is quite stable, for example, the air flows coming from the east + -45 DEG can lead the rotating blade to be stabilized at a specified point.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. The off-line rotary structure of the lead frame is characterized by comprising eight lead frame units (1), wherein each lead frame unit (1) is provided with a supporting part (11) and a wire clamping part (12) connected with the supporting part (11);
The wire clamping part (12) is divided into a rotary wire clamp (2) and a fixed wire clamp (3), and the quantity of the rotary wire clamps (2) is equal to that of the fixed wire clamps (3);
the support part (11) comprises a base body (4) and a support base body (5), the base body (4) is provided with a first central axis, the support base body (5) is provided with a second central axis, and the length of the base body (4) on the first central axis is smaller than the length of the support base body (5) on the second central axis;
The eight wire frame units (1) enclose a closed frame;
A wind fixing structure is arranged in the closed frame and comprises an inner ring fixedly connected with the frame through two welded fixed connection points; the inner ring is sleeved with a blade structure; the blade structure comprises a blade bracket sleeved on the inner ring, wherein the blade bracket comprises a vertical rod with one end connected to the left side of one fixed connection point and the other end connected to the right side of the other fixed connection point, and a cross rod vertically fixed on the vertical rod; the cross bar is fixedly provided with a fixed wind blade.
2. The leadframe off-line swivel structure according to claim 1, wherein the base body (4) is provided with at least one channel (40).
3. The off-line rotary structure of a lead frame according to claim 1, wherein the supporting base body (5) has an end support having a fixing main shaft hole (51) and a fixing auxiliary shaft hole (52), the end support being fixedly connected with the wire clamping portion (12) through the fixing main shaft hole (51) and the fixing auxiliary shaft hole (52); the support base body (5) is provided with a tail base body, and the tail base body and the base body (4) are connected into a whole.
4. The lead frame off-line rotary structure according to claim 1, wherein the fixed wire clamp (3) comprises a wire clamp body (31) and a wire clamp cover plate (32), and the wire clamp body (31) and the wire clamp cover plate (32) are mutually matched to fix the transmission wire.
5. The off-line swivel structure of a lead frame according to claim 4, wherein the pin joint between the wire clamp body (31) and the wire clamp cover plate (32) comprises a hinge pin (41) arranged at the ends of the wire clamp body (31) and the wire clamp cover plate (32), and a cotter pin (42) and a stop pin (43) arranged at the tail part of the hinge pin.
6. The lead frame off-line rotary structure according to claim 1, wherein the rotary wire clamp (2) comprises a wire clamp support body (21) and a swinging wire clamp body (22), the wire clamp support body (21) is fixedly connected to the support base body (5), and the swinging wire clamp body (22) is slidably arranged on the wire clamp support body (21) and swings around the rotation center of the swinging wire clamp body; the swinging wire clamp body (22) is composed of a wire clamp body and a wire clamp gland, the wire clamp body and the wire clamp gland are connected into a whole through a pin shaft and form a cylinder shape, and a clamping hole for fixedly holding a wire is formed in the center of the cylindrical swinging wire clamp body (22); a continuous arc-shaped sliding rail is arranged on the cylindrical surface of the wire clamp body along the circumferential direction of the cylindrical surface of the wire clamp body; the end part of the wire clamp support body (21) is provided with a sliding block, and the sliding block is arranged in the arc-shaped sliding rail in a sliding way.
7. The structure according to claim 6, wherein an arc interlayer space is formed inside the cylindrical surface of the wire holder body, the arc interlayer space forms the arc slide rail, and an arc groove communicated with the arc interlayer space is formed on the outer surface of the cylindrical surface of the wire holder body; the sliding block is formed by two L-shaped sliding bodies which are relatively fixed on two sides of the end part of the wire clamp support body, and the sliding bodies penetrate through the arc-shaped grooves and are arranged in the arc-shaped interlayer space.
8. The outer rotary structure of a lead frame according to claim 7, wherein the two L-shaped sliding bodies are sleeved with a sliding guide sleeve at the part of the arc-shaped groove, and the width of the sliding guide sleeve is the same as that of the arc-shaped groove.
9. The leadframe off-line rotary structure of claim 7, wherein the arcuate sandwich space has inner and outer walls coaxial with the clamping aperture; the contact side surfaces of the two L-shaped sliding bodies and the outer wall surface of the arc interlayer space are inclined surfaces.
10. The leadframe off-line rotary structure of claim 6, wherein the wire clamp body and one end of the wire clamp gland are hinged by a first pin; the other end is connected by a second pin shaft, two ends of the second pin shaft are in fit contact with pin shaft holes of the wire clamp body, the middle section of the second pin shaft is matched with pin shaft holes of the wire clamp gland, and the diameter of the middle section of the second pin shaft is smaller than that of the two ends in a step shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273834.XA CN107947085B (en) | 2017-12-06 | 2017-12-06 | Outer revolution mechanic of lead frame line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273834.XA CN107947085B (en) | 2017-12-06 | 2017-12-06 | Outer revolution mechanic of lead frame line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107947085A CN107947085A (en) | 2018-04-20 |
| CN107947085B true CN107947085B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273834.XA Active CN107947085B (en) | 2017-12-06 | 2017-12-06 | Outer revolution mechanic of lead frame line |
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| Country | Link |
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| CN (1) | CN107947085B (en) |
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| CN206164049U (en) * | 2016-11-12 | 2017-05-10 | 石兰电气股份有限公司 | Special HVDC circuit conductor spacer of 1100kV |
| CN207559497U (en) * | 2017-12-06 | 2018-06-29 | 浙江飞英电力器材有限公司 | A kind of lead structure |
| CN207559508U (en) * | 2017-12-06 | 2018-06-29 | 浙江飞英电力器材有限公司 | A kind of outer revolving structure of lead |
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| CN206164049U (en) * | 2016-11-12 | 2017-05-10 | 石兰电气股份有限公司 | Special HVDC circuit conductor spacer of 1100kV |
| CN207559497U (en) * | 2017-12-06 | 2018-06-29 | 浙江飞英电力器材有限公司 | A kind of lead structure |
| CN207559508U (en) * | 2017-12-06 | 2018-06-29 | 浙江飞英电力器材有限公司 | A kind of outer revolving structure of lead |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107947085A (en) | 2018-04-20 |
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