CN112952708B - Triangle clamping plate type spacing rod for live working - Google Patents
Triangle clamping plate type spacing rod for live working Download PDFInfo
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- CN112952708B CN112952708B CN202110353353.XA CN202110353353A CN112952708B CN 112952708 B CN112952708 B CN 112952708B CN 202110353353 A CN202110353353 A CN 202110353353A CN 112952708 B CN112952708 B CN 112952708B
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- plate
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- upper clamping
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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
Abstract
The invention provides a live working triangular clamping plate type spacer which comprises three insulating rods, a top end fixing device and two bottom end fixing devices, wherein the three insulating rods are arranged in a triangular mode, the top end fixing device is arranged on one vertex angle of the triangle, the two bottom end fixing devices are respectively arranged on two bottom corners of the triangle, and the top end fixing device and the two bottom end fixing devices are used for being fixed with three different phase lines of a three-phase line. The invention is designed in a triangle, the triangle has stronger stability, can bear larger external force, has fewer assembly accessories, high speed, high strength, high reliability and attractive appearance, breaks one insulating rod under special conditions, does not influence the normal use of equipment, does not cause power failure due to line collision, improves the reliability of power supply, has simple operation, saves manpower, reduces the operation cost, has high construction efficiency, can be installed in a live mode without power failure during installation, has strong practicability, has good social benefit and is worthy of further popularization and application.
Description
Technical Field
The invention relates to the field of partial discharge testing, in particular to a triangular clamping plate type spacer for live working.
Background
In recent years, along with the development of economy, higher requirements are put forward on the reliability of power supply, in order to ensure that a user does not have power failure, the maintenance of a power distribution circuit of a power grid must be enlarged, the inter-phase line-touching short-circuit tripping of the circuit is ensured not to occur, and the inter-phase safety distance of the circuit must be ensured, so that the circuit runs safely and reliably.
Because the distribution network line is widely applied, urban suburbs and rural power supplies are lines, old lines are quite large in kilometers, transformation cost is high, power failure construction time is long, influence on vast power utilization customers is large, complaints are easily caused, and power supply service quality is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the live working triangular clamping plate type spacer which can effectively avoid line collision and power failure between lines, is low in price and is convenient to construct.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the hot-line work triangular clamping plate type spacer comprises three insulating rods, a top end fixing device and two bottom end fixing devices, wherein the three insulating rods are arranged in a triangular mode, the top end fixing devices are arranged on one vertex angle of the triangle, the two bottom end fixing devices are respectively and correspondingly arranged on two bottom corners of the triangle, the top end fixing devices comprise a first clamping plate and a first connecting seat, the first clamping plate is arranged at the top of the first connecting seat, and the two insulating rods at the vertex angle positions of the corresponding triangle are connected with the first connecting seat;
the bottom end fixing device comprises a second clamping plate and a second connecting seat, the second connecting seat is connected with two insulating rods corresponding to the triangular bottom angle position, and the second clamping plate is connected with the second connecting seat.
Further, the first clamping plate comprises a Z-shaped first upper clamping plate, a first lower clamping plate in clamping fit with the first upper clamping plate and a first screw rod penetrating through the first upper clamping plate and the first lower clamping plate and driving the first lower clamping plate to move towards the first upper clamping plate, and a first circular ring is arranged at the bottom of the first screw rod;
the second clamping plate comprises a second upper clamping plate in an inverted L shape, a second lower clamping plate in clamping fit with the second upper clamping plate and a second screw rod penetrating through the second upper clamping plate and the second lower clamping plate and driving the second lower clamping plate to move towards the second upper clamping plate, and a second circular ring is arranged at the bottom of the second screw rod.
Further, a first penetrating hole is formed in the first lower clamping plate, the first screw penetrates through the first upper clamping plate from the first penetrating hole in the first lower clamping plate and is connected to the first upper clamping plate in a threaded manner, the first screw can slide left and right in the first penetrating hole, and one end of the first lower clamping plate is rotationally connected to the first upper clamping plate;
the second lower clamping plate is provided with a second penetrating hole, the second screw penetrates from the second penetrating hole on the second lower clamping plate and penetrates through the second upper clamping plate and is in threaded connection with the second upper clamping plate, the second screw can slide left and right in the second penetrating hole, and one end of the second lower clamping plate is rotationally connected to the second upper clamping plate.
Further, a first pin is arranged on the first upper clamping plate, one end of the first pin penetrates through the top surface of the first upper clamping plate to the bottom surface of the first upper clamping plate and is hinged with one end of the first lower clamping plate so as to realize that one end of the first lower clamping plate is in rotary connection with the first upper clamping plate, the other end of the first pin cannot penetrate through the first upper clamping plate, and the first pin can move up and down in the first upper clamping plate;
be provided with the second pin on the second punch holder, the one end of second pin is worn to establish from the top surface of second punch holder to the bottom surface of second punch holder and with thereby the one end of second lower plate is articulated realize the one end of second lower plate with the second punch holder rotates to be connected, the other end of second pin can't pass the second punch holder, the second pin can reciprocate in the second punch holder.
Further, a first hook is arranged on the bottom surface of the first lower clamping plate, a second hook is arranged on the bottom surface of the second lower clamping plate, the first circular ring can rotate up and down relative to the end part of the first screw rod, and the second circular ring can rotate up and down relative to the end part of the second screw rod;
after the first clamping plate clamps the phase line corresponding to the first clamping plate, the first circular ring can be rotatably hung on the first hook, and after the second clamping plate clamps the phase line corresponding to the second clamping plate, the second circular ring can be rotatably hung on the second hook.
Further, a first spring is sleeved on the first screw, the first spring is located between the first upper clamping plate and the first lower clamping plate, a second spring is sleeved on the second screw, and the second spring is located between the second upper clamping plate and the second lower clamping plate.
Further, at least one rain skirt is arranged on each of the three insulating rods.
Further, the first connecting seat comprises a first connecting plate arranged at the bottom of the first clamping plate and detachably connected with the first clamping plate, and two first sleeves arranged at the bottom surface of the first connecting plate, wherein the two first sleeves are fixedly connected with two insulating rods in the three insulating rods respectively;
the second connecting seat comprises a second connecting plate, two second sleeves and two second sleeves, wherein the second connecting plate is arranged on the back surface of the second clamping plate and detachably connected with the second clamping plate, the two second sleeves are arranged on one surface, deviating from the second clamping plate, of the second connecting plate, and the two second sleeves are respectively fixedly connected with two insulating rods of the three insulating rods.
Further, the portion of the first connection plate connected with the first clamping plate protrudes from the front side or the rear side of the first connection plate.
Further, the first sleeve is connected with the bottom surface of the first connecting plate in a left-right rotation mode, first limiting fixing plates are respectively arranged on the front side and the rear side of the bottom surface of the first connecting plate corresponding to the first sleeve, first notch is formed in the first limiting fixing plates, first bolts penetrate through the first notch in the first limiting fixing plates on one side of the first sleeve, insulating rods penetrate through the first sleeve and the first sleeve, the insulating rods penetrate out of the first notch in the first limiting fixing plates on the other side of the first sleeve, and first nuts are installed at the penetrating ends of the first bolts;
the first nut is screwed, the first sleeve is fixed in position, the first nut is unscrewed, the first bolt can move in the first notch and drive the first sleeve to rotate left and right relative to the bottom surface of the first connecting plate.
Further, the second sleeve is connected with the second connecting plate in an up-down rotating manner, the front side and the rear side of the second sleeve corresponding to the second connecting plate are respectively provided with a second limiting fixing plate, the second limiting fixing plate is provided with a second notch, the second sleeve is provided with a second bolt in a penetrating manner, the second bolt penetrates through the second notch on the second limiting fixing plate on one side of the second sleeve, penetrates through the second sleeve and the insulating rod in the second sleeve, penetrates out of the second notch on the second limiting fixing plate on the other side of the second sleeve, and the penetrating end of the second bolt is provided with a second nut;
and the second nut is screwed, the position of the second sleeve is fixed, the second nut is unscrewed, and the second bolt can move in the second notch and drive the second sleeve to rotate up and down relative to the second connecting plate.
The beneficial effects of the invention are as follows:
1. in practical application, an operator only needs to stand on the ground and place the device into a three-phase line through the insulating operation rod with the hooks at the end parts, the device is placed on different phase lines of the three-phase line through the first clamping plate and the second clamping plate, the hooks on the insulating operation rod are used for rotating the first circular ring and the second circular ring, the first screw rod and the second screw rod are used for rotating to enable the first clamping plate and the second clamping plate to clamp the phase lines corresponding to the first clamping plate and the second clamping plate, and the operation is completed, simple and convenient.
2. The invention is designed in a triangle, the triangle has stronger stability and can bear larger external force, the invention has fewer assembled fittings, high speed, high strength, high reliability and beautiful appearance, and under special conditions, one insulating rod is broken, the normal use of the equipment is not affected, the power failure caused by line collision is avoided, and the power supply reliability is improved.
3. The invention has the advantages of simple operation, labor saving, operation cost reduction, high construction efficiency, high reliability, strong practicability and good social benefit, can be installed in a live mode without power failure during installation, and is worthy of further popularization and application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of a hot-line work triangular clamping plate type spacer according to an embodiment of the invention;
FIG. 2 is a front view of a hot-line triangle clip spacer according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a front view of a hot-line triangle clip spacer according to one embodiment of the present invention;
FIG. 4 is a top view of a hot-line triangle clip spacer according to one embodiment of the present invention;
fig. 5 is a structural view of a first lower clamping plate of a hot-line work triangular clamping plate type spacer according to an embodiment of the present invention.
Reference numerals illustrate:
the insulation rod, the 2-top fixing device, the 21-first upper clamping plate, the 22-first lower clamping plate, the 221-first penetrating hole, the 23-first screw, the 24-first circular ring, the 25-first pin, the 26-first hook, the 27-first spring, the 3-bottom fixing device, the 31-second upper clamping plate, the 32-second lower clamping plate, the 33-second screw, the 34-second circular ring, the 35-second pin, the 36-second hook, the 37-second spring, the 4-rain skirt, the 5-first connecting plate, the 51-first limiting fixing plate, the 511-first notch, the 52-first bolt, the 53-first nut, the 6-first sleeve, the 7-second connecting plate, the 71-second limiting fixing plate, the 711-second notch, the 72-second bolt, the 73-second nut, the 8-second sleeve and the 9-soft layer.
Detailed Description
The technical solutions of 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 apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without inventive effort are within the scope of the invention.
It should be noted that, in the embodiment of the present invention, directional indications (such as up, down, left, right, front, and rear … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in an embodiment of the invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed by the invention.
See fig. 1 to 5.
The invention relates to a live working triangular clamping plate type spacer, which comprises three insulating rods 1 arranged in a triangle, a top end fixing device 2 arranged on one vertex angle of the triangle and two bottom end fixing devices 3 respectively arranged on two bottom corners of the triangle, wherein the top end fixing device 2 and the two bottom end fixing devices 3 are used for being fixed with three different phase lines of a three-phase line;
the top end fixing device 2 comprises a first clamping plate used for being fixed with one phase line of a three-phase line and a first connecting seat arranged at the bottom of the first clamping plate and used for fixing two of three insulating rods 1, the first clamping plate comprises a Z-shaped first upper clamping plate 21, a first lower clamping plate 22 which is in clamping fit with the first upper clamping plate 21, and a first screw rod 23 which is arranged on the first upper clamping plate 21 and the first lower clamping plate 22 in a penetrating way and drives the first lower clamping plate 22 to move towards the first upper clamping plate 21, and a first circular ring 24 is arranged at the bottom of the first screw rod 23;
the bottom end fixing device 3 comprises a second clamping plate used for fixing any one phase line of the two remaining phase lines of the three-phase line and a second connecting seat arranged on the back surface of the second clamping plate and used for fixing two of the three insulating rods 1, the second clamping plate comprises a second upper clamping plate 31 in an inverted L shape, a second lower clamping plate 32 in clamping fit with the second upper clamping plate 31 and a second screw rod 33 penetrating through the second upper clamping plate 31 and the second lower clamping plate 32 and driving the second lower clamping plate 32 to move towards the second upper clamping plate 31, and a second circular ring 34 is arranged at the bottom of the second screw rod 33.
In specific implementation, an operator only needs to stand on the ground and place the device into a three-phase line through an insulating operation rod with hooks at the end parts, the device is placed on different phase lines of the three-phase line through a first clamping plate and a second clamping plate, the hooks on the insulating operation rod are utilized to rotate the first circular ring 24 and the second circular ring 34, the first screw rod 23 and the second screw rod 33 are rotated to enable the first clamping plate and the second clamping plate to clamp the phase lines corresponding to the first clamping plate and the second clamping plate, and the operation is completed, simple and convenient.
The invention is designed in a triangle, the triangle has stronger stability, can bear larger external force, has fewer assembled fittings, high speed, high strength, high reliability and attractive appearance, breaks one insulating rod under special conditions, does not influence the normal use of equipment, does not cause power failure due to line collision, improves the reliability of power supply, has simple operation, saves labor, reduces the operation cost, has high construction efficiency, can be installed in a live mode without power failure during installation, has strong practicability, has good social benefit and is worthy of further popularization and application.
Preferably, three insulating rods 1 are selected according to the diameters and arrangement structures of the circuit wires, wherein one insulating rod is 100 cm long, two insulating rods are 72 cm long, the diameters of the insulating rods are 12-15 mm, and the insulating rods are connected to form an isosceles triangle.
In an embodiment, the first lower clamping plate 22 is provided with a first through hole 221, the first screw 23 penetrates from the first through hole 221 on the first lower clamping plate 22 and passes through the first upper clamping plate 21 and is connected to the first upper clamping plate 21 in a threaded manner, the first screw 23 can slide left and right in the first through hole 221, and one end of the first lower clamping plate 22 is rotatably connected to the first upper clamping plate 21;
the second lower clamping plate 32 is provided with a second penetrating hole, the second screw 33 penetrates and passes through the second upper clamping plate 31 from the second penetrating hole on the second lower clamping plate 32 and is in threaded connection with the second upper clamping plate 31, the second screw 33 can slide left and right in the second penetrating hole, and one end of the second lower clamping plate 32 is rotationally connected with the second upper clamping plate 31. The design is like this, can drive first lower plate and second lower plate through rotating first screw rod and second screw rod and upwards rotate until making first plate and second plate press from both sides the phase line that corresponds respectively to through letting first lower plate and first punch holder be connected, second lower plate and second punch holder be connected and make first screw rod and second screw rod can not drive first lower plate and second lower plate and rotate when rotating, avoid producing wearing and tearing for the phase line, the design is comparatively reasonable.
Preferably, the first upper clamping plate 21 is provided with a first threaded hole, and the first screw 23 is in threaded connection with the first threaded hole, so that the first screw 23 is in threaded connection with the first upper clamping plate 21;
the second upper clamping plate 31 is provided with a second threaded hole, and the second screw 33 is in threaded connection with the second threaded hole, so that the second screw 33 is in threaded connection with the second upper clamping plate 31.
Preferably, the first upper clamping plate 21 is fixedly provided with a first fixing nut, and the first screw 23 passes through the first upper clamping plate 21 and is in threaded connection with the first fixing nut, so that the first screw 23 is in threaded connection with the first upper clamping plate 21;
the second upper clamping plate 31 is fixedly provided with a second fixing nut, and the second screw rod 33 passes through the second upper clamping plate 31 and is in threaded connection with the second fixing nut, so that the second screw rod 33 is in threaded connection with the second upper clamping plate 31.
In an embodiment, the first upper clamping plate 21 is provided with a first pin 25, one end of the first pin 25 is penetrated from the top surface of the first upper clamping plate 21 to the bottom surface of the first upper clamping plate 21 and hinged with one end of the first lower clamping plate 22 so as to realize that one end of the first lower clamping plate 22 is rotatably connected with the first upper clamping plate 21, the other end of the first pin 25 cannot penetrate through the first upper clamping plate 21, and the first pin 25 can move up and down in the first upper clamping plate 21;
the second upper clamping plate 31 is provided with a second pin 35, one end of the second pin 35 penetrates from the top surface of the second upper clamping plate 31 to the bottom surface of the second upper clamping plate 31 and is hinged with one end of the second lower clamping plate 32, so that one end of the second lower clamping plate 32 is rotationally connected with the second upper clamping plate 31, the other end of the second pin 35 cannot penetrate through the second upper clamping plate 31, and the second pin 35 can move up and down in the second upper clamping plate 31. When the first screw and the second screw are rotated, the first lower clamping plate and the second lower clamping plate rotate upwards, when the other ends of the first lower clamping plate and the second lower clamping plate touch the first upper clamping plate and the second upper clamping plate respectively, the other ends of the first lower clamping plate and the second lower clamping plate stop moving at the moment, the first screw and the second screw are continuously rotated, one ends of the first lower clamping plate and the second lower clamping plate drive the first pin and the second pin to move upwards until the first clamping plate and the second clamping plate thoroughly clamp corresponding phase lines respectively, and the clamping of the first clamping plate and the second clamping plate is firmer and is not easy to damage the phase lines.
In one embodiment, the bottom surface of the first lower clamping plate 22 is provided with a first hook 26, the bottom surface of the second lower clamping plate 32 is provided with a second hook 36, the first ring 24 can rotate up and down relative to the end of the first screw 23, and the second ring 34 can rotate up and down relative to the end of the second screw 33;
after the first clamping plate clamps the phase line corresponding to the first clamping plate, the first circular ring 24 can be rotatably hung on the first hook 26, and after the second clamping plate clamps the phase line corresponding to the second clamping plate, the second circular ring 34 can be rotatably hung on the second hook 36. By the design, the first circular ring and the second circular ring can be prevented from rotating, and the anti-loosening effect is achieved.
Preferably, the first ring 24 is further connected in series with a third ring, and the second ring 34 is further connected in series with a fourth ring. The design can hang the third ring and establish the effect that prevents that first ring from taking place pivoted equally on first couple when first ring can't hang and establish on first couple like this, when the unable string of second ring is established on the second couple, hang the fourth ring and establish the effect that prevents that the second ring from taking place pivoted equally on the second couple.
In one embodiment, the first screw 23 is sleeved with a first spring 27, the first spring 27 is located between the first upper clamping plate 21 and the first lower clamping plate 22, the second screw 33 is sleeved with a second spring 37, and the second spring 37 is located between the second upper clamping plate 31 and the second lower clamping plate 32. When the first screw rod and the second screw rod are screwed, the first lower clamping plate and the second lower clamping plate move in the direction close to the first upper clamping plate and the second upper clamping plate, the first spring and the second spring are compressed, when the first screw rod and the second screw rod are unscrewed, the compressed first spring and second spring push the first lower clamping plate and the second lower clamping plate to move in the direction far away from the first upper clamping plate and the second upper clamping plate, so that the live working triangular clamping plate type spacer rod on a detachable phase line can be detached conveniently, and the design is reasonable.
In one embodiment, at least one rain skirt 4 is respectively arranged on the three insulating rods 1. By the design, in rainy days, no rainwater exists on the inner side of the rain skirt, the insulation performance of the insulation rods is improved, flashover discharge among the insulation rods is prevented, power failure of a circuit is caused, and the inter-phase arc climbing distance is increased.
Preferably, the rain skirt 4 is tightly connected with the insulating rod 1. By the design, if a gap exists between the insulating rod and the rain skirt, the insulating rod cannot play a role in insulation, the influence on the circuit in severe weather cannot be reduced, and the circuit can reliably run.
Preferably, the insulating rod 1 is made of an insulating material, and the insulating rod 1 does not generate inter-phase discharge in rainy, foggy, snowy and dust weather, so as to avoid power failure accidents.
In an embodiment, the first connecting seat comprises a first connecting plate 5 arranged at the bottom of the first clamping plate and detachably connected with the first clamping plate, and two first sleeves 6 arranged on the bottom surface of the first connecting plate 5, wherein the two first sleeves 6 are fixedly connected with two insulating rods 1 in the three insulating rods 1 respectively;
the second connecting seat comprises a second connecting plate 7 which is arranged on the back surface of the second clamping plate and detachably connected with the second clamping plate, and two second sleeves 8 which are arranged on one surface, deviating from the second clamping plate, of the second connecting plate 7, wherein the two second sleeves 8 are respectively fixedly connected with two insulating rods 1 of the three insulating rods 1. Through making first splint and first connecting seat detachable connection, second splint and second connecting seat detachable connection, can be with its change down when first splint and second splint appear damaging like this, reduced the loss of equipment, through sleeve and insulator spindle fixed connection, the tip stress area that can improve the insulator spindle is established to the insulator spindle cover in the sleeve, increases the stress intensity of insulator spindle, avoids the insulator spindle to take place to fracture because of stress concentration, and it is comparatively firm to the fixed of insulator spindle.
In an embodiment, the portion of the first connection plate 5 connected to the first clamping plate protrudes from the front side or the rear side of the first connection plate 5. By the design, the lower part of the first circular ring on the first clamping plate is free of barriers, so that workers can conveniently stand on the ground to rotate the first circular ring.
In an embodiment, the first sleeve 6 is connected with the bottom surface of the first connecting plate 5 in a left-right rotation manner, the bottom surface of the first connecting plate 5 is provided with first limit fixing plates 51 respectively on the front side and the rear side of the corresponding first sleeve 6, the first limit fixing plates 51 are provided with first notches 511, the first sleeve 6 is provided with first bolts 52 in a penetrating manner, the first bolts 52 penetrate through the first notches 511 on the first limit fixing plates 51 on one side of the first sleeve 6, pass through the first sleeve 6 and the insulating rod 1 in the first sleeve 6, penetrate out of the first notches 511 on the first limit fixing plates 51 on the other side of the first sleeve 6, and the penetrating ends of the first bolts 52 are provided with first nuts 53;
the first nut 53 is screwed, the position of the first sleeve 6 is fixed, the first nut 53 is unscrewed, and the first bolt 52 can move in the first notch 511 and drive the first sleeve 6 to rotate left and right relative to the bottom surface of the first connecting plate 5. In such design, when equipment is assembled, the insulating rod is firstly arranged on the two second connecting seats at the bottom, and then the insulating rod is arranged on the first connecting seat, so that the first sleeve on the first connecting seat can rotate, the final step of assembly is convenient, and if the second sleeve on the second connecting seat is inclined in the manufacturing process, the first sleeve can also be adjusted through the rotating first sleeve, so that the reject ratio of the equipment is reduced.
In an embodiment, the second sleeve 8 is connected to the second connecting plate 7 in a vertical rotation manner, a second limiting fixing plate 71 is respectively disposed at a front side and a rear side of the second sleeve 8 corresponding to the second connecting plate 7, a second notch 711 is formed in the second limiting fixing plate 71, a second bolt 72 is threaded through the second sleeve 8, the second bolt 72 penetrates through the second notch 711 on the second limiting fixing plate 71 on one side of the second sleeve 8, penetrates through the second sleeve 8 and the insulating rod 1 in the second sleeve 8, and penetrates out from the second notch 711 on the second limiting fixing plate 71 on the other side of the second sleeve 8, and a second nut 73 is mounted at a penetrating end of the second bolt 72;
the second nut 73 is screwed, the position of the second sleeve 8 is fixed, the second nut 73 is unscrewed, and the second bolt 72 can move in the second notch 711 and drive the second sleeve 8 to rotate up and down relative to the second connecting plate 7. The design makes equipment be applicable to the insulating rod of various length, and when the length dimension of one or two insulating rods changes and the insulating performance of the insulating rod is not influenced, the insulating rod can be installed on the equipment by adjusting the angle between the second sleeve and the second connecting plate, so that the waste of the insulating rod caused by the change of the length dimension is reduced.
Preferably, the soft layer 9 is provided on one surface of the first upper clamping plate 21 and the first lower clamping plate 22 for clamping the phase line corresponding thereto, and the soft layer 9 is also provided on one surface of the second upper clamping plate 31 and the second lower clamping plate 32 for clamping the phase line corresponding thereto. By the design, the phase lines in the first clamping plate and the second clamping plate can be protected from being worn, and the friction force between the clamping plates and the phase lines is increased.
Preferably, the soft layer 9 may be made of rubber, leather, or the like.
During installation, a first clamping plate of the equipment is placed on a middle-phase lead of a line by using a qualified insulating operation rod, then the insulating operation rod is used for hooking the first circular ring 24 to rotate, so that the first screw 23 drives the first lower clamping plate 22 to clamp the middle-phase lead in the first clamping plate in a labor-saving way until the middle-phase lead is not rotated, the first circular ring 24 is hung on the first hook 26 to prevent the first screw 23 from loosening, and the installation of the first clamping plate is completed;
the other two-side phase lines are installed, the insulated operating rod is used for hooking the lead or the insulated rod 1, the lead is placed in the second clamping plate, then the insulated operating rod is used for hooking the second circular ring 34 to rotate, the second screw rod 33 drives the second lower clamping plate 32 to clamp the lead in the second clamping plate in a labor-saving way until the lead is not rotated, the second circular ring 34 is hung on the second hook 36, and the second screw rod 33 is prevented from loosening, so that the assembly work can be completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. A hot-line work triangle-shaped splint formula conductor spacer, its characterized in that: the device comprises three insulating rods (1) which are arranged in a triangle, a top end fixing device (2) arranged on one vertex angle of the triangle and two bottom end fixing devices (3) which are respectively and correspondingly arranged on two bottom corners of the triangle, wherein the top end fixing device (2) comprises a first clamping plate and a first connecting seat, the first clamping plate is arranged on the top of the first connecting seat, and the two insulating rods (1) corresponding to the vertex angle positions of the triangle are connected with the first connecting seat;
the bottom end fixing device (3) comprises a second clamping plate and a second connecting seat, the second connecting seat is connected with the two insulating rods (1) at the bottom angle positions of the corresponding triangle, and the second clamping plate is connected with the second connecting seat;
the first clamping plate comprises a Z-shaped first upper clamping plate (21), a first lower clamping plate (22) in clamping fit with the first upper clamping plate (21) and a first screw rod (23) which is arranged on the first upper clamping plate (21) and the first lower clamping plate (22) in a penetrating mode and drives the first lower clamping plate (22) to move towards the first upper clamping plate (21), and a first circular ring (24) is arranged at the bottom of the first screw rod (23);
the second clamping plate comprises a second upper clamping plate (31) in an inverted L shape, a second lower clamping plate (32) in clamping fit with the second upper clamping plate (31) and a second screw rod (33) penetrating through the second upper clamping plate (31) and the second lower clamping plate (32) and driving the second lower clamping plate (32) to move towards the second upper clamping plate (31), and a second circular ring (34) is arranged at the bottom of the second screw rod (33);
the first lower clamping plate (22) is provided with a first penetrating hole (221), the first screw (23) penetrates from the first penetrating hole (221) on the first lower clamping plate (22) and penetrates through the first upper clamping plate (21) and is in threaded connection with the first upper clamping plate (21), the first screw (23) can slide left and right in the first penetrating hole (221), and one end of the first lower clamping plate (22) is rotationally connected to the first upper clamping plate (21);
the second lower clamping plate (32) is provided with a second penetrating hole, the second screw (33) penetrates through the second upper clamping plate (31) from the second penetrating hole in the second lower clamping plate (32) and is connected to the second upper clamping plate (31) in a threaded manner, the second screw (33) can slide left and right in the second penetrating hole, and one end of the second lower clamping plate (32) is rotationally connected to the second upper clamping plate (31);
the first upper clamping plate (21) is provided with a first pin (25), one end of the first pin (25) penetrates through the top surface of the first upper clamping plate (21) to the bottom surface of the first upper clamping plate (21) and is hinged with one end of the first lower clamping plate (22) so as to realize that one end of the first lower clamping plate (22) is rotationally connected with the first upper clamping plate (21), the other end of the first pin (25) cannot penetrate through the first upper clamping plate (21), and the first pin (25) can move up and down in the first upper clamping plate (21);
be provided with second pin (35) on second punch holder (31), the one end of second pin (35) is followed the top surface of second punch holder (31) wears to establish the bottom surface of second punch holder (31) and with thereby one end of second lower plate (32) articulates realize one end of second lower plate (32) with second punch holder (31) rotate to be connected, the other end of second pin (35) can't pass second punch holder (31), second pin (35) can reciprocate in second punch holder (31).
2. The live working triangular clamping plate type spacer according to claim 1, wherein: the bottom surface of the first lower clamping plate (22) is provided with a first hook (26), the bottom surface of the second lower clamping plate (32) is provided with a second hook (36), the first circular ring (24) can rotate up and down relative to the end part of the first screw (23), and the second circular ring (34) can rotate up and down relative to the end part of the second screw (33);
after the first clamping plate clamps the phase line corresponding to the first clamping plate, the first circular ring (24) can be rotatably hung on the first hook (26), and after the second clamping plate clamps the phase line corresponding to the second clamping plate, the second circular ring (34) can be rotatably hung on the second hook (36).
3. The live working triangular clamping plate type spacer according to claim 1, wherein: the first screw (23) is sleeved with a first spring (27), the first spring (27) is located between the first upper clamping plate (21) and the first lower clamping plate (22), the second screw (33) is sleeved with a second spring (37), and the second spring (37) is located between the second upper clamping plate (31) and the second lower clamping plate (32).
4. The live working triangular clamping plate type spacer according to claim 1, wherein: at least one rain skirt (4) is respectively arranged on the three insulating rods (1).
5. The live working triangular clamping plate type spacer according to claim 1, wherein: the first connecting seat comprises a first connecting plate (5) arranged at the bottom of the first clamping plate and detachably connected with the first clamping plate, and two first sleeves (6) arranged on the bottom surface of the first connecting plate (5), wherein the two first sleeves (6) are fixedly connected with two insulating rods (1) in the three insulating rods (1) respectively;
the second connecting seat comprises a second connecting plate (7) which is arranged on the back surface of the second clamping plate and detachably connected with the second clamping plate, and two second sleeves (8) which are arranged on one surface, deviating from the second clamping plate, of the second connecting plate (7), wherein the two second sleeves (8) are respectively fixedly connected with two insulating rods (1) of the three insulating rods (1).
6. The live working triangular clamping plate type spacer according to claim 5, wherein: the part of the first connecting plate (5) connected with the first clamping plate protrudes out of the front side surface or the rear side surface of the first connecting plate (5).
7. The live working triangular clamping plate type spacer according to claim 5, wherein: the first sleeve (6) is connected with the bottom surface of the first connecting plate (5) in a left-right rotating mode, first limiting and fixing plates (51) are respectively arranged on the front side and the rear side of the bottom surface of the first connecting plate (5) corresponding to the first sleeve (6), first notches (511) are formed in the first limiting and fixing plates (51), first bolts (52) are arranged on the first sleeve (6) in a penetrating mode, the first bolts (52) penetrate through the first notches (511) in the first limiting and fixing plates (51) on one side of the first sleeve (6), penetrate through the first sleeve (6) and the insulating rods (1) in the first sleeve (6), penetrate out of the first notches (511) in the first limiting and fixing plates (51) on the other side of the first sleeve (6), and first nuts (53) are arranged at the penetrating ends of the first bolts (52);
the first nut (53) is screwed, the first sleeve (6) is fixed in position, the first nut (53) is unscrewed, and the first bolt (52) can move in the first notch (511) and drive the first sleeve (6) to rotate left and right relative to the bottom surface of the first connecting plate (5);
the second sleeve (8) is connected with the second connecting plate (7) in an up-down rotating mode, a second limiting fixed plate (71) is arranged at the front side and the rear side of the second sleeve (8) corresponding to the second connecting plate (7), a second notch (711) is formed in the second limiting fixed plate (71), a second bolt (72) is arranged on the second sleeve (8) in a penetrating mode, the second bolt (72) penetrates through the second notch (711) in the second limiting fixed plate (71) at one side of the second sleeve (8), penetrates through the second sleeve (8) and the insulating rod (1) in the second sleeve (8), penetrates out of the second notch (711) in the second limiting fixed plate (71) at the other side of the second sleeve (8), and a second nut (73) is arranged at the penetrating end of the second bolt (72);
the second nut (73) is screwed, the position of the second sleeve (8) is fixed, the second nut (73) is unscrewed, and the second bolt (72) can move in the second notch (711) and drive the second sleeve (8) to rotate up and down relative to the second connecting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353353.XA CN112952708B (en) | 2021-03-30 | 2021-03-30 | Triangle clamping plate type spacing rod for live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353353.XA CN112952708B (en) | 2021-03-30 | 2021-03-30 | Triangle clamping plate type spacing rod for live working |
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| Publication Number | Publication Date |
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| CN112952708A CN112952708A (en) | 2021-06-11 |
| CN112952708B true CN112952708B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110353353.XA Active CN112952708B (en) | 2021-03-30 | 2021-03-30 | Triangle clamping plate type spacing rod for live working |
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| Country | Link |
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| CN (1) | CN112952708B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115642551A (en) * | 2022-10-24 | 2023-01-24 | 国网安徽省电力有限公司亳州供电公司 | Anti-slip anti-fracture live working triangular spacer |
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| CN104410026A (en) * | 2014-11-14 | 2015-03-11 | 江苏华厦电力成套设备有限公司 | Clamp type spacer damper |
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| CN109494668A (en) * | 2018-12-29 | 2019-03-19 | 国家电网有限公司 | Lead spacer |
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| CN102684124B (en) * | 2012-04-24 | 2015-04-01 | 中国电力科学研究院 | Five-rod lead-waving resistant power vibration absorber for transmission lines |
| CN104184079A (en) * | 2014-08-08 | 2014-12-03 | 国家电网公司 | Cable terminal insulated fixing device |
| CN205355666U (en) * | 2015-09-02 | 2016-06-29 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Insulating isolating rod of telescopic live working |
| CN205583605U (en) * | 2016-04-22 | 2016-09-14 | 邹平县供电公司 | Low pressure circuit interphase insulation conductor spacer |
| CN106571542A (en) * | 2016-10-22 | 2017-04-19 | 钟贵洪 | Insulating grounding wire clamp |
| CN207233972U (en) * | 2017-08-29 | 2018-04-13 | 国网江西省电力公司莲花县供电分公司 | Hot line clamp |
| CN210577398U (en) * | 2019-09-11 | 2020-05-19 | 国网山东省电力公司 | Insulated wire interval supporting device |
| CN111600236B (en) * | 2020-05-13 | 2022-06-24 | 国网山东省电力公司济南供电公司 | Interphase insulation isolation device for distribution live-line work line and use method |
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|---|---|---|---|---|
| CN104410026A (en) * | 2014-11-14 | 2015-03-11 | 江苏华厦电力成套设备有限公司 | Clamp type spacer damper |
| CN204464877U (en) * | 2015-04-16 | 2015-07-08 | 广东梅雁吉祥水电股份有限公司 | A kind of high voltage power transmission two division circuit synchronous hoisting hook |
| CN109494668A (en) * | 2018-12-29 | 2019-03-19 | 国家电网有限公司 | Lead spacer |
| CN211655689U (en) * | 2020-03-17 | 2020-10-09 | 江苏双汇电力发展股份有限公司 | Rotary spacer wire clamp mounting tool |
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| CN112952708A (en) | 2021-06-11 |
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