CN211348324U - High altitude test point quick termination - Google Patents
High altitude test point quick termination Download PDFInfo
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- CN211348324U CN211348324U CN201921475825.3U CN201921475825U CN211348324U CN 211348324 U CN211348324 U CN 211348324U CN 201921475825 U CN201921475825 U CN 201921475825U CN 211348324 U CN211348324 U CN 211348324U
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- pulley
- rod
- connecting part
- operating rod
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Abstract
The utility model discloses a quick termination of high altitude test point, including junction pole and pulley yoke. The terminal pole includes binding clip, connecting portion, guide cover and action bars, and the bottom of binding clip passes through connecting portion and guide cover fixed connection. The connecting part is a rod-shaped structure with a hollow lower opening, and the guide cover is of a hollow round table-shaped structure. The top end of the operating rod can be guided and inserted into the inner cavity of the connecting part through the inner cavity of the guide cover. The pulley lever comprises a hook, a hook connecting part, a pulley and a supporting rod. The couple is rotatable to be set up on the top of couple connecting portion, and the bottom and the pulley top fixed connection of couple connecting portion, the bottom of pulley and the top fixed connection of bracing piece are around being equipped with the stay cord on the pulley, and the one end of stay cord is connected with the upper end of action bars. The utility model discloses the structure is ingenious, easy operation, and safety when ensureing the wiring can greatly reduced operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to an electric power wiring detects technical field, in particular to quick termination of high altitude test point.
Background
According to the maintenance test regulations of the power company, when a high-voltage circuit breaker carries out preventive tests such as loop resistance, PT/CT dielectric loss and capacitance test, on-site maintenance test personnel often use high-altitude wiring clamps to hang test wires for the tests. The height of the existing 500kV high-voltage circuit breaker is generally about 10 meters, the length of a used high-altitude wiring clamp device is also about 10 meters, and the weight of an operating rod of the high-altitude wiring clamp and a test wire reaches 15 kilograms. Although the weight of a single rod is not heavy, the gravity center of the operating rod of the overhead wire connecting clamp is far away from the operating part of a human hand, the generated force arm is large, and then the operating rod can be lifted by an abnormally large operating force. And because lack guider and strutting arrangement, on-spot peg often can not accurate control action bars's direction, leads to pole falling and disconnected pole risk easily. In addition, when field test, especially when the synchronous test is needed, the test method requires three-phase synchronous test, so 3 high-voltage wires and 6 low-voltage wires need to be hung at the corresponding positions of three phases respectively, 9 test wires are needed in total, 9 high-altitude wiring clamp operating rods need to be used, and the total weight exceeds 135 kilograms. The traditional hanging rod and hanging method have great potential safety hazards: firstly, the direction of an operating rod cannot be accurately controlled, and the risks of damaging power equipment and personal injury caused by rod reversing exist; secondly, the operating rod of the high-altitude wiring clamp device is too long and heavy, and a gravity supporting device is not arranged at the middle upper part of the operating rod, so that the shearing force at the lower part of the operating rod is too large, and the risk of rod breaking exists; thirdly, the number of the required high-altitude wiring clamp operating rods is large, 9 operating rods and test wires of 15 kilograms are required for simultaneous three-phase measurement according to the number of the three operating rods which are hung on one phase, and the labor intensity of field personnel is increased, and especially when the high-altitude wiring clamp works in extreme weather, the safety risk of personnel and equipment can be brought.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model discloses a following technical scheme realizes:
a high-altitude test point quick wiring device comprises a wiring rod and a pulley rod;
the wiring pole comprises wiring pliers, a connecting part, a guide cover and an operating rod;
the bottom of the wiring clamp is fixedly connected with the guide cover through a connecting part;
the connecting part is a hollow rod-shaped structure with an opening at the lower part, the guide cover is a hollow circular truncated cone-shaped structure, and the inner cavity of the guide cover is communicated with the inner cavity of the connecting part;
the top end of the operating rod can be guided and inserted into the inner cavity of the connecting part through the inner cavity of the guide cover;
the pulley lever comprises a hook, a hook connecting part, a pulley and a supporting rod;
the hook is rotatably arranged at the top end of the hook connecting part, and the bottom end of the hook connecting part is fixedly connected with the top end of the pulley;
the bottom end of the pulley is fixedly connected with the top end of the supporting rod;
and a pull rope is wound on the pulley, and one end of the pull rope is connected with the upper end of the operating rod.
Preferably, the pulley comprises a frame body, a shaft and a wheel; the frame body is of a mouth-shaped structure, the shaft is arranged on the frame body in a penetrating way, and wheels are rotatably arranged on the shaft;
the bottom end of the hook connecting part is fixedly connected with the upper part of the frame body, and the top end of the supporting rod is fixedly connected with the lower part of the frame body.
Preferably, the connecting part is of a cylindrical structure, and a connecting part inner cavity matched with the top end of the operating rod is formed in the connecting part;
a clamping groove is formed in the connecting part in a radial through manner;
a straight groove is axially formed in the top end of the operating rod, two rotating pins are symmetrically arranged in the straight groove along the axis, and a clamping block is rotatably arranged on each rotating pin;
the clamping blocks are in a triangular structure, a C-shaped reed is fixedly arranged between the two clamping blocks, and the bottoms of the two clamping blocks are connected with each other through a connecting rope;
the upper end part of the operating rod is provided with a release rope hole, and the release rope hole consists of a section of hole which is parallel to the axial direction of the operating rod and a section of hole which forms a certain oblique angle with the operating rod;
the release rope hole is movably provided with a release rope in a penetrating way, and one end of the release rope is fixedly connected with the connecting rope.
Preferably, the upper end of the operating rod is further fixedly provided with a stop ring, and one end of the pull rope is tied to the operating rod below the stop ring.
When in use, the pull rope firstly passes through the pulley of the pulley, and one end of the pull rope is tied on the upper part of the operating rod; the pulley and hook are then lifted by the support bar and hooked onto the wire to be tested. The support rod can be made very light as it only needs to bear the weight of the pulley and the hook, thus being easier to operate. Accomplish hanging of pulley lever and work the back, the other end of pulling stay cord for stay cord pulling junction lever upwards promotes, and after the junction lever was pulled to be close to the wire of being surveyed, operating personnel hung the wire pliers through the action bars to the wire of being surveyed, thereby accomplished and hung work. The operation can avoid the problem that the operation is not easy due to the fact that the connecting rod is too heavy and too long, and can also avoid the problem that the rod is knocked down to personnel or equipment due to poor control.
In order to improve operating efficiency, reduce intensity of labour, the utility model also provides a wiring method based on be used for supplementary high voltage circuit breaker quick safe termination, including following step:
s1, assembling a wiring rod and a pulley rod;
s2, the pull rope is threaded and wound on a pulley wheel, and one end of the pull rope is tied and fixed with the upper end of the operating rod;
s3, hanging the pulley rod on the tested wire;
s4, pulling the other end of the pull rope, lifting the wiring rod through the action of the pulley by the pull rope, stopping pulling the pull rope when the wiring rod is lifted to be close to the tested lead, and holding the bottom of the operating rod by hand to hang the wiring clamp on the tested lead;
s5, connecting the separating operating rod with the connecting part;
s6, lowering the separated operating rod to the ground;
s7, lifting the support rod to lift the hook, the hook connecting part and the pulley, and moving the hook out of the tested lead to complete the wiring work of one test point;
and S8, connecting other test points in the same way according to the operation steps of 2-7, and finally completing the connection of all 9 test lines.
Preferably, the assembling of the terminal rod and the pulley rod of S1 includes:
when the wiring rod is assembled, firstly, the multiple sections of operating rods are connected end to form an operating rod with a certain length, and then the top of the operating rod is inserted into the guide cover and the inner cavity of the connecting part and locked;
when the pulley lever is assembled, the multi-section hollow insulating rods are connected end to end, so that the supporting rod reaches a certain length, for example, the length of 10 meters.
Preferably, the hanging the pulley rod on the tested wire in S3 includes: the hook, the hook connecting part and the pulley are lifted through the supporting rod, and the hook is hung on the measured lead.
Preferably, the connection of the separation lever and the connection part at S5 includes:
when the operating rod and the connecting part are not provided with locking devices, the operating rod can be pulled out of the connecting part by directly pulling the operating rod downwards;
when the operating rod and the connecting part are provided with the locking devices, the operating rod and the connecting part are separated through the unlocking devices, for example, the release rope can be pulled, and at the moment, the release rope moves outwards along the pulling direction and the release rope hole, so that the connecting rope is pulled to enable the two clamping blocks to move inwards at the same time, and the C-shaped reed is compressed; meanwhile, because the two clamping blocks move inwards, nothing blocks the clamping groove from the operating rod, and therefore the operating rod can be smoothly separated from the connecting part and the guide cover.
By the method, the connection of a plurality of wires with the test lead can be realized by only using one operating rod and matching with a plurality of wiring clamps, so that a large amount of carrying cost is reduced, and the labor intensity of operators is reduced.
Drawings
FIG. 1 is a schematic view of a connector rod according to the present invention;
fig. 2 is a schematic structural view of a pulley lever provided by the present invention;
FIG. 3 is a partial cross-sectional view of a terminal post provided by the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the assembled terminal block;
FIG. 6 is a first schematic view in field operation;
FIG. 7 is a second schematic illustration in field operation;
fig. 8 is a third schematic view in field operation.
In the drawings, each reference numeral denotes:
the wire connecting rod comprises a wire connecting rod 1, a pulley rod 2, a wire connecting clamp 10, a connecting part 11, a guide cover 12, an operating rod 13, a hook 20, a hook connecting part 21, a pulley 22, a supporting rod 23, a clamping groove 110, a connecting part inner cavity 111, a straight groove 130, a clamping block 131, a rotating pin 132, a C-shaped reed 133, a connecting rope 134, a releasing rope hole 135 and a retaining ring 136.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 8 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
As shown in figures 1 and 2, the high altitude test point quick wiring device comprises a wiring rod 1 and a pulley rod 2.
As shown in fig. 1, the terminal post 1 includes a terminal block 10, a connecting portion 11, a guide cover 12, and an operating lever 13.
The pliers 10 are conventional pliers that are commercially available. The bottom of the terminal block 10 is fixedly connected to the guide hood 12 via a connecting part 11.
The connecting part 11 is a rod-shaped structure with a hollow lower part being opened, and is preferably a cylindrical rod-shaped structure for convenience of processing. The boot 12 is a hollow truncated cone shaped structure that resembles an inverted funnel. The inner cavity of the guide cover 12 and the inner cavity of the connecting portion 11 communicate with each other.
The operating rod 13 is made of materials with good insulating property such as epoxy resin and nylon, and adopts a detachable multi-section combined structure, which is the same as that of the existing operating rod. The tip end of the operating lever 13 can be inserted into the inner cavity of the connecting portion 11 through the inner cavity of the guide cover 12.
As shown in fig. 2, the pulley lever 2 includes a hook 20, a hook connection part 21, a pulley 22, and a support rod 23.
The hook 20 is rotatably disposed at the top end of the hook connecting portion 21, and specifically, the hook 20 and the hook connecting portion 21 are rotatably connected by, for example, a bearing or a mushroom-shaped end of the hook, and are inserted into a hole of the hook connecting portion. The bottom end of the hook connecting part 21 is fixedly connected with the top end of the pulley 22 in a welding or riveting mode and the like. Specifically, the pulley 22 includes a frame body, a shaft, and wheels, wherein the frame body is of a "mouth" shape, the shaft is disposed on the frame body in a penetrating manner, and the wheels are rotatably disposed on the shaft. The bottom end of the hook connecting part 21 is fixedly connected with the upper part of the frame body, and the top end of the support rod 23 is fixedly connected with the lower part of the frame body. The support rod 23 is composed of a plurality of sections of hollow insulating rods which can be disassembled and assembled, so that the support rod is convenient to carry. A pull rope is wound on the pulley 22, and one end of the pull rope is connected with the upper end of the operating rod 13.
When in use, the pull rope is firstly threaded into the pulley 22, and one end of the pull rope is tied on the upper part of the operating rod 13; the pulley 22 and the hook 20 are then lifted by the support bar 23 and the hook 20 is hung on the wire to be tested. Since the support bar 23 only needs to bear the weight of the pulley 22 and the hook 20, it can be made light, which makes it easier to handle. Accomplish the work back that articulates of pulley lever 2, the other end of pulling stay cord for stay cord pulling junction pole 1 upwards promotes, and after junction pole 1 was pulled to being close to the wire of being surveyed, operating personnel hung the wire pliers 10 through action bars 13 and is surveyed on the wire, thereby accomplish and articulate the work. Such operation can avoid the problem that the operation is not easy due to the fact that the connecting rod 1 is too heavy and too long, and can also avoid the problem that the rod falls down to a person or equipment due to poor control.
In operation, to enable the pliers 10 to be secured to the conductor under test with a downward pulling force, in one embodiment, as shown in FIGS. 3 and 4, the connection portion 11 is preferably a cylindrical structure having a connection portion cavity 111 formed therein that mates with the top end of the operating rod 13. The connecting portion 11 has a slot 110 formed therethrough in the radial direction. The top end of the operating rod 13 is provided with a straight groove 130 along the axial direction, and the straight groove 130 cuts the top of the operating rod 13 into two symmetrical semicircular parts. Two rotating pins 132 are symmetrically arranged in the straight groove 130 along the axis, and a latch 131 is rotatably arranged on each rotating pin 132. The latch 131 is a triangular structure, preferably a right-angled triangle, one of which is rotatably connected to the rotating pin 132 and the other is located outside the straight slot 130. A C-shaped spring 133 is fixedly arranged between the two blocks 131, and the bottoms of the two blocks 131 are connected with each other through a connecting rope 134. The upper end of the operating rod 13 is provided with a release rope hole 135, the release rope hole 135 is composed of a section of hole parallel to the axial direction of the operating rod 13 and a section of hole forming a certain oblique angle with the operating rod 13, a release rope can movably penetrate through the release rope hole 135, and one end of the release rope is fixedly connected with the connecting rope 134. The purpose of the release cord hole 135 is to guide the release cord out of the lever 13 from the center of the lever 13 for easy pulling by the operator.
When the operation rod 13 needs to be removed after the connecting rod 1 is hung on the tested wire, the release rope can be pulled, and at the moment, the release rope moves outwards along the pulling direction and the release rope hole 135, so that the two clamping blocks 131 simultaneously move inwards by pulling the connecting rope 134, and the C-shaped spring leaf 133 is compressed. Meanwhile, since the two latches 131 move inward, nothing is blocked between the latch slot 110 and the operating lever 13, so that the operating lever 13 can be smoothly separated from the connecting portion 11 and the guide cover 12.
In addition, in order to prevent the connection between the pull rope and the operating rod 13 from slipping, in an embodiment, a stop ring 136 is fixedly arranged at the upper end of the operating rod 13, and the stop ring 136 is a ring-shaped structure welded on the operating rod and protruding out of the operating rod. One end of the pull cord is tied to the operating lever below the stop ring 136. The structure can effectively prevent the pull rope from slipping, and the operation safety is ensured.
When the synchronous test is needed, the test method requires the three-phase synchronous test, 3 high-voltage wires and 6 low-voltage wires are needed to be hung at the positions corresponding to the three phases respectively, 9 testing wires are needed in total, the following method steps can be adopted at this time, the labor intensity of operators can be greatly reduced, and the steps are as follows:
When assembling the junction pole 1, firstly, the multi-section operating poles are connected end to form the operating pole 13 with a certain length, and then the top of the operating pole 13 is inserted into the inner cavities of the guide cover 12 and the connecting part 11 and locked.
When assembling the pulley lever 2, connect the hollow insulating rods of the multiple sections end to end, so that the supporting rod 23 reaches a certain length, for example, 10 m.
And 2, penetrating the pull rope and winding the pull rope on a pulley 22, wherein one end of the pull rope is tied and fixed with the upper end of the operating rod 13.
And 3, hanging the pulley lever 2 on the measured lead. The hook 20, the hook connecting part 21 and the pulley 22 are lifted by the support rod 23, and the hook 20 is hung on the measured wire.
And 4, pulling the other end of the pull rope, lifting the wiring rod 1 through the action of the pulley 22, stopping pulling the pull rope when the wiring rod 1 is lifted to be close to the tested wire, and holding the bottom of the operating rod 13 by hand to hang the wiring clamp 10 on the tested wire.
And 5, separating the connection of the operating rod 13 and the connecting part 11.
The specific methods are two types:
when the operating rod 13 and the connecting part 11 are not provided with locking devices, the operating rod 13 can be pulled out of the connecting part 11 by directly pulling the operating rod 13 downwards;
when the operating rod 13 and the connecting part 11 have a locking device, the separation is realized by an unlocking device, for example, a release rope can be pulled, at this time, the release rope moves outwards along the pulling direction and the release rope hole 135, so that the connecting rope 134 is pulled to enable the two clamping blocks 131 to move inwards at the same time, and the C-shaped spring leaf 133 is compressed. Meanwhile, since the two latches 131 move inward, nothing is blocked between the latch slot 110 and the operating lever 13, so that the operating lever 13 can be smoothly separated from the connecting portion 11 and the guide cover 12.
And 6, lowering the separated operating rod 13 to the ground.
And 7, lifting the support rod 23 to lift the hook 20, the hook connecting part 21 and the pulley 22, and moving the hook 20 out of the tested wire to finish the wiring work of one test point.
And 8, connecting other test points in the same mode according to the operation steps of 2-7, and finally completing the connection of all 9 test lines.
By the method, a plurality of connection clamps 10 can be matched with one operating rod 13 to realize the connection with the test lead, so that a large amount of carrying cost is reduced, and the labor intensity of operators is reduced.
After the test is finished, the operating rod 13 is lifted to be inserted into the guide cover 12, under the guiding action of the guide cover 12, the top of the operating rod 13 automatically slides into the inner cavity of the connecting part 11, and then upward force is continuously applied, so that the wire connecting clamp 10 is separated from the tested wire, and the purpose of disassembling the wire connecting clamp 10 is achieved.
In this way, it is not necessary to align the inner cavity of the connecting portion 11 very accurately, thus improving the disassembly efficiency.
Claims (4)
1. A high-altitude test point quick wiring device is characterized by comprising a wiring rod (1) and a pulley rod (2);
the wiring pole (1) comprises a wiring clamp (10), a connecting part (11), a guide cover (12) and an operating rod (13);
the bottom of the wiring clamp (10) is fixedly connected with the guide cover (12) through a connecting part (11);
the connecting part (11) is a hollow rod-shaped structure with an opening at the lower part, the guide cover (12) is a hollow circular truncated cone-shaped structure, and the inner cavity of the guide cover (12) is communicated with the inner cavity of the connecting part (11);
the top end of the operating rod (13) can be guided and inserted into the inner cavity of the connecting part (11) through the inner cavity of the guide cover (12);
the pulley rod (2) comprises a hook (20), a hook connecting part (21), a pulley (22) and a support rod (23);
the hook (20) is rotatably arranged at the top end of the hook connecting part (21), and the bottom end of the hook connecting part (21) is fixedly connected with the top end of the pulley (22);
the bottom end of the pulley (22) is fixedly connected with the top end of the supporting rod (23);
a pull rope is wound on the pulley (22), and one end of the pull rope is connected with the upper end of the operating rod (13).
2. The high altitude test point quick termination of claim 1, characterized in that:
the pulley (22) comprises a frame body, a shaft and a wheel; the frame body is of a mouth-shaped structure, the shaft is arranged on the frame body in a penetrating way, and wheels are rotatably arranged on the shaft;
the bottom of couple connecting portion (21) with the upper portion fixed connection of support body, the top of bracing piece (23) with the lower part fixed connection of support body.
3. The high altitude test point quick termination of claim 1, characterized in that:
the connecting part (11) is of a cylindrical structure, and a connecting part inner cavity (111) matched with the top end of the operating rod (13) is formed in the connecting part;
a clamping groove (110) is formed in the connecting part (11) in a penetrating manner in the radial direction;
a straight groove (130) is axially formed in the top end of the operating rod (13), two rotating pins (132) are symmetrically arranged in the straight groove (130) along the axis, and a clamping block (131) is rotatably arranged on each rotating pin (132);
the clamping blocks (131) are triangular structures, a C-shaped reed (133) is fixedly arranged between the two clamping blocks (131), and the bottoms of the two clamping blocks (131) are connected with each other through a connecting rope (134);
the upper end part of the operating rod (13) is provided with a release rope hole (135), and the release rope hole (135) consists of a section of hole which is parallel to the axial direction of the operating rod (13) and a section of hole which forms a certain oblique angle with the operating rod (13);
a release rope is movably arranged in the release rope hole (135) in a penetrating mode, and one end of the release rope is fixedly connected with the connecting rope (134).
4. The high altitude test point quick termination of claim 1, characterized in that:
the upper end of the operating rod (13) is also fixedly provided with a stop ring (136), and one end of the pull rope is tied on the operating rod below the stop ring (136).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475825.3U CN211348324U (en) | 2019-09-06 | 2019-09-06 | High altitude test point quick termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475825.3U CN211348324U (en) | 2019-09-06 | 2019-09-06 | High altitude test point quick termination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348324U true CN211348324U (en) | 2020-08-25 |
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ID=72096674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475825.3U Active CN211348324U (en) | 2019-09-06 | 2019-09-06 | High altitude test point quick termination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348324U (en) |
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2019
- 2019-09-06 CN CN201921475825.3U patent/CN211348324U/en active Active
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