CN209766659U - Split type open-close conductive device - Google Patents
Split type open-close conductive device Download PDFInfo
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- CN209766659U CN209766659U CN201920822220.0U CN201920822220U CN209766659U CN 209766659 U CN209766659 U CN 209766659U CN 201920822220 U CN201920822220 U CN 201920822220U CN 209766659 U CN209766659 U CN 209766659U
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Abstract
The utility model discloses a split type conductive device that opens and shuts, including contact subassembly, conducting rod subassembly and conductive connection subassembly, conducting rod subassembly one end can be dismantled and connect conductive connection subassembly, the connection contact subassembly can be dismantled to the other end, the conducting rod subassembly includes conducting rod one, conducting rod two and conductive fixer, two one ends of conducting rod penetrate in conducting rod one, conductive fixer fixes in the junction outside conducting rod one and conducting rod two, conductive connection subassembly includes flange and end connection spare, flange and end connection spare fixed connection, during conducting rod one end penetrates end connection spare, the connection fixer is fixed in the junction outside conducting rod one and end connection spare. The utility model discloses a split type electrically conductive ware that opens and shuts has solved the transportation problem, but the site installation has solved the uncertain problem of the electrically conductive ware length that opens and shuts that the deviation leads to in jumper actual height and theoretical altitude.
Description
Technical Field
The utility model relates to an overhead transmission line technical field, in particular to split type electric conduction ware that opens and shuts.
Background
In cold winter, ice coating is easy to occur on part of power transmission lines in southern areas of China. Uneven ice coating on the conducting wire and the ground wire can cause the iron tower to incline or bend, when the design bearing capacity is exceeded, the conducting wire and the ground wire can be broken, hardware fittings can fall off, and the iron tower can be seriously collapsed. Unlike overhead ground wires, which can withstand partial freezing by the heat energy generated by the load current, the ice coating thickness is typically much greater than that of power transmission wires.
In 2013, aiming at different voltage grades of power transmission lines, a lateral combination type and upper combination type ground wire ice melting automatic wiring device is developed by project groups, wherein the type of an open-close conductive device is also newly designed according to requirements. Along with the increasing use number of the automatic wiring device for ground wire ice melting, the tower type types of the installation device are also increased gradually, in a +/-800 kV extra-high voltage transmission project, the distance from a squirrel-cage type hard jumper wire to an iron tower cross arm usually exceeds 10 meters, the appearance length of the open-close conductive device reaches about 10 meters, the original integral open-close conductive device is not suitable for use, and a novel split open-close conductive device needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is how long distance acquires the electric current on the wire bundle and effectively transmits. The utility model discloses a design to the characteristics of the hard wire jumper of squirrel-cage of 800kV special high voltage transmission engineering.
In order to solve the technical problem, the utility model provides a split type opening and closing conductive device, which comprises a contact assembly, a conductive rod assembly and a conductive connecting assembly, wherein one end of the conductive rod assembly is detachably connected with the conductive connecting assembly, the other end of the conductive rod assembly is detachably connected with the contact assembly, the conductive rod assembly comprises a conductive rod I, a conductive rod II and a conductive fixer, wherein the first conducting rod and the second conducting rod are hollow round tubes, the diameter of the first conducting rod is larger than that of the second conducting rod, one end of the second conducting rod penetrates into the first conducting rod, the conductive fixing device is fixed on the outer side of the joint of the first conductive rod and the second conductive rod, the conductive connecting assembly comprises a connecting flange and an end connecting piece, the connecting flange is fixedly connected with the end connecting piece, the end connecting piece is a hollow circular tube, the diameter of the end connecting piece is larger than that of the first conductive rod, one end of the first conductive rod penetrates into the end connecting piece, and the connecting fixing device is fixed on the outer side of the joint of the first conductive rod and the end connecting piece. The utility model discloses a split type electrically conductive ware that opens and shuts, contact subassembly, conducting rod subassembly and electrically conductive coupling assembling three part are split type, because about 800kV direct current transmission engineering is with the electrically conductive ware length 10 meters that opens and shuts, no matter be long-distance transport or transport go up a mountain all very inconvenient, consequently the split type structure is also designed to the conducting rod subassembly, the transportation problem has been solved, especially narrow the transportation problem on the crooked mountain road again, reach the size that two electrically conductive poles that penetrate electrically conductive pole one of high certainty according to on-the-spot wire jumper when the tower is installed, the uncertain problem of the electrically conductive ware length that opens and shuts that the deviation leads to has been solved to wire jumper actual height and theoretical height.
The contact assembly comprises a copper contact, a soft copper braid structure and a band, one end of the soft copper braid structure is connected with the copper contact, the other end of the soft copper braid structure is sleeved into the aluminum pipe and is fixedly connected with the band after being pressed and connected with the aluminum pipe, the band is fixed on the conducting rod II, the copper contact is T-shaped, the diameter of the vertical section of the copper contact is smaller than that of the aluminum pipe, the vertical section of the copper contact extends into the aluminum pipe, through holes are formed in the corresponding positions of the vertical section of the copper contact and the aluminum pipe, and connecting bolts penetrate through the through holes. The factors such as unbalanced tension of ice coating of the lead, windage yaw and the like can cause certain torsional deviation between the contact finger of the electricity taking device and the contact of the opening and closing conductive device, a soft copper braid structure is designed in the contact assembly to ensure the self-adaption function of the copper contact, the copper contact can rotate around a connecting bolt, a rotation angle is reserved on the copper contact, and the insertion joint surface is enlarged.
The further improvement is that adjusting holes are formed in the first conducting rod and the second conducting rod, fixing bolts are installed in the overlapped adjusting holes in the first conducting rod and the second conducting rod, and rubber pad plugs are installed in the rest exposed adjusting holes in the first conducting rod and the second conducting rod; and a soft copper wire connecting clamp is arranged between the connecting fixer and the ground wire. The rubber pad plug can prevent rain and snow from entering the pipe to influence the overflowing performance or increase extra load; in order to introduce the ice melting current of the opening and closing conductive device into the ground wire, a soft copper wire connecting wire clamp is designed between the connecting fixer and the ground wire to ensure the flow guiding effect and ensure the flexible rotation of the conductive rod.
The utility model discloses a split type electrically conductive ware that opens and shuts, the form is worn to the connection adoption cover of conducting rod one and conducting rod two, and the cover is worn the back the two and is passed through the bolt location within a definite time, then utilizes electrically conductive fixer to step up fixedly at the two junction. The conductive holder has two main functions: firstly, the support and the reinforcement function are realized for the two; and secondly, the current on the conducting rod II is led to the conducting rod I. The second conducting rod penetrates into the first conducting rod, and the total length adjusting range is +/-300 mm. In addition, the contact assembly and the conducting rod assembly are designed into two independent bodies, the contact assembly is designed into a hinge hoop-wrapping structure, the position of the contact on the conducting rod can be adjusted according to the actual distance of a field jumper wire, and the correct switching-on of the contact and the contact finger is ensured.
Drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a top view of the present invention;
Figure 3 is a front view of the contact assembly of the present invention;
figure 4 is a left side view of the contact assembly of the present invention;
Fig. 5 is a front view of the conductive rod assembly of the present invention;
Fig. 6 is a top view of the conductive rod assembly of the present invention;
Fig. 7 is a front view of the conductive connection assembly of the present invention;
Fig. 8 is a top view of the conductive connection assembly of the present invention;
The cable comprises 1-a first conducting rod, 2-a second conducting rod, 3-a conducting fixer, 4-a connecting flange, 5-an end connecting piece, 6-a connecting fixer, 7-a copper contact, 8-a soft copper braid structure, 9-a hoop, 10-an aluminum pipe, 11-a connecting bolt and 12-a soft copper wire connecting clamp.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a split type opening and closing conductive device, which comprises a contact assembly, a conductive rod assembly and a conductive connecting assembly, wherein one end of the conductive rod assembly is detachably connected with the conductive connecting assembly, the other end of the conductive rod assembly is detachably connected with the contact assembly, the conductive rod assembly comprises a conductive rod I1, a conductive rod II 2 and a conductive fixer 3, wherein the first conducting rod 1 and the second conducting rod 2 are hollow round tubes, the diameter of the first conducting rod 1 is larger than that of the second conducting rod 2, one end of the second conducting rod 2 penetrates into the first conducting rod 1, the conductive fixer 3 is fixed outside the junction of the first conductive rod 1 and the second conductive rod 2, the conductive connecting assembly comprises a connecting flange 4 and an end connecting piece 5, the connecting flange 4 is fixedly connected with the end connecting piece 5, the end connecting piece 5 is a hollow circular tube, the diameter of the hollow circular tube is larger than that of the first conductive rod 1, one end of the first conductive rod 1 penetrates into the end connecting piece 5, and the connecting fixer 6 is fixed outside the junction of the first conductive rod 1 and the end connecting piece 5.
The contact assembly comprises a copper contact 7, a soft copper braid structure 8 and a band 9, one end of the soft copper braid structure 8 is connected with the copper contact 7, the other end of the soft copper braid structure is sleeved into an aluminum pipe 10 and fixedly connected with the band 9 after being in compression joint with the aluminum pipe 10, the band 9 is fixed on a second conducting rod 2, the copper contact 7 is T-shaped, the diameter of the vertical section of the copper contact 7 is smaller than that of the aluminum pipe 10, the vertical section of the copper contact 7 extends into the aluminum pipe 10, through holes are formed in the vertical section of the copper contact 7 and the position, corresponding to the aluminum pipe 10, of the copper contact 10 and a connecting bolt 11 penetrates through the through holes.
The further improvement is that adjusting holes are formed in the first conducting rod 1 and the second conducting rod 2, fixing bolts are installed in the overlapped adjusting holes in the first conducting rod 1 and the second conducting rod 2, and rubber pad plugs are installed in the rest exposed adjusting holes in the first conducting rod 1 and the second conducting rod 2; a soft copper wire connecting clamp 12 is arranged between the connecting fixer 6 and the ground wire.
The utility model discloses a split type electrically conductive ware that opens and shuts, contact subassembly, conducting rod subassembly and electrically conductive coupling assembling three part are split type, because about 800kV direct current transmission engineering is with the electrically conductive ware length 10 meters that opens and shuts, no matter be long-distance transport or transport go up a mountain all very inconvenient, consequently the split type structure is also designed to the conducting rod subassembly, the transportation problem has been solved, especially narrow the transportation problem on the crooked mountain road again, reach the size that two electrically conductive poles that penetrate electrically conductive pole one of high certainty according to on-the-spot wire jumper when the tower is installed, the uncertain problem of the electrically conductive ware length that opens and shuts that the deviation leads to has been solved to wire jumper actual height and theoretical height.
The factors such as unbalanced tension of ice coating of the lead, windage yaw and the like can cause certain torsional deviation between the contact finger of the electricity taking device and the contact of the opening and closing conductive device, a soft copper braid structure is designed in the contact assembly to ensure the self-adaption function of the copper contact, the copper contact can rotate around a connecting bolt, a rotation angle is reserved on the copper contact, and the insertion joint surface is enlarged.
The rubber pad plug can prevent rain and snow from entering the pipe to influence the overflowing performance or increase extra load; in order to introduce the ice melting current of the opening and closing conductive device into the ground wire, a soft copper wire connecting wire clamp is designed between the connecting fixer and the ground wire to ensure the flow guiding effect and ensure the flexible rotation of the conductive rod.
The utility model discloses a split type electrically conductive ware that opens and shuts, conducting rod subassembly also design split type structure, and electrically conductive coupling assembling is connected to conducting rod one end, and contact subassembly is connected to two one ends of conducting rod. The contact assembly is arranged at the end part of the conducting rod, the contact finger is pushed in during closing, current is obtained from the power taking device after closing is completed, and the contact assembly and the power taking device are designed into independent individuals in order to adjust the position of the contact on the conducting rod. One end of the soft copper braid structure is connected with the copper contact, and the other end of the soft copper braid structure is sleeved into the aluminum pipe and welded with the wrapping hoop into a whole after being pressed and connected, so that the current conduction is completed. In order to ensure that the contact finger and the contact can still be correctly matched when torsional errors exist, the contact is designed into a swing structure with a self-adaptive function, and meanwhile, the mechanical performance requirement and the electrical performance requirement of closing are ensured. Because the iron tower has a corner problem on the installation site of the device, and the actual distance from the jumper wire to the cross arm of the iron tower possibly has deviation from the designed size, in order to ensure that the contact accurately completes switching on with the contact finger, the contact assembly and the conducting rod assembly are designed into two independent individuals. The contact assembly is designed into a hinge hoop-wrapping structure, the position of the contact on the conducting rod can be adjusted according to the actual distance of a field jumper wire, and the correct switching-on of the contact and the contact finger is ensured.
the conducting rod assembly is the main support for connecting the conducting wire and the ground wire of the whole device, so the dead weight, the strength and the conducting capacity of the conducting rod are the key factors for designing the conducting rod. When the device is switched on, the switching-on force generates a large bending moment on a connecting flange connected with the conducting rod; when the switch is opened, the gravity of the conducting rod and the ice coated on the surface of the conducting rod can generate larger bending moment on the connecting flange. The strength requirements of the conductive rod and each component part are required to be met. The first conducting rod and the second conducting rod are made of high-strength aluminum alloy materials, so that the strength is guaranteed, and overcurrent is guaranteed.
The first conducting rod and the second conducting rod are connected in a sleeving mode, the first conducting rod and the second conducting rod are positioned through bolts after being sleeved, and then the connecting position of the first conducting rod and the second conducting rod is fastened and fixed through a conducting fixer. The conductive holder has two main functions: firstly, the support and the reinforcement function are realized for the two; and secondly, the current on the conducting rod II is led to the conducting rod I. The second conducting rod penetrates into the first conducting rod, and the total length adjusting range is +/-300 mm.
one end of the conductive connecting component is connected with an output coupler of the transmission mechanism, and the other end of the conductive connecting component is connected with the first conductive rod. And a connecting flange is designed at one end connected with the transmission mechanism. The connecting flange is connected with the coupler at the output end of the transmission mechanism through a fastener, so that the opening/closing action of the opening/closing conductive device is realized. Because the terminal bending moment that bears of flange of electrically conductive coupling assembling is great, in order to satisfy the intensity requirement, flange adopts the steel material, adopts the cover to wear the location form between flange and the conducting rod one, and the connection fixer is fixed in flange through the bolt after pressing from both sides conducting rod one.
The utility model is used for 800kV or other special high tension transmission line adopt when the wire jumper is great to the cross arm distance. The ground wire ice melting automatic wiring device developed aiming at the +/-800 kV extra-high voltage transmission project is composed of a cage type jumper wire electricity taking device, a split type opening and closing electric conduction device, a transmission mechanism, a protection cover and an electric control system. The ground wire ice-melting automatic wiring device is used for acquiring current on a conductor bundle and transmitting the current to the ground wire, and the ground wire melts ice on the surface of the ground wire by using the heat effect of the current.
the utility model discloses the equipment back appearance length is about 10 meters, and no matter it is the road transportation or transport going up a mountain all extremely difficult. Therefore, during delivery, the conductive rod assemblies, the conductive connecting assemblies and the contact assemblies of the three parts of the split open-close conductive device are delivered in a split mode and are assembled according to specific requirements on the site after being carried to the position below the iron tower. During field installation, after the transmission mechanism and the electricity taking device are installed, the distance from the output end of the transmission mechanism to the contact finger of the electricity taking device is measured to determine the length of the opening and closing conductive device, and therefore the longitudinal size of the first conductive rod and the second conductive rod when the first conductive rod and the second conductive rod are sleeved is determined. When the field requirement size is small, the two are overlapped as much as possible for later lengthening, and redundant parts are cut off from the two ends of the conducting rod when necessary. After the assembly is completed, the adjusting holes in the pipe are plugged by the prepared rubber pad plugs, so that the influence of rain and snow on the overcurrent performance or the additional load increase in the pipe is prevented.
After the split type opening and closing conductive device is installed, a closing/opening test is carried out, and the position of the contact assembly on the conductive rod is adjusted to enable the contact assembly to be correctly pushed into the contact finger and be located in the middle of the contact finger. One end of the soft copper wire connecting clamp is connected to the connecting fixer, and the other end of the soft copper wire connecting clamp is connected with the ground wire, so that the transition from current to the ground wire is realized.
Claims (4)
1. Split type open and close electric conductor, its characterized in that: the connecting device comprises a contact assembly, a conducting rod assembly and a conducting connecting assembly, the conducting rod assembly can be disassembled to connect the conducting connecting assembly, the other end can be disassembled to connect the contact assembly, the conducting rod assembly comprises a first conducting rod, a second conducting rod and a conducting fixer, the first conducting rod and the second conducting rod are hollow round tubes, the diameter of the first conducting rod is larger than that of the second conducting rod, one end of the first conducting rod penetrates into the first conducting rod, the conducting fixer is fixed at the outer side of the joint of the first conducting rod and the second conducting rod, the conducting connecting assembly comprises a connecting flange and an end connecting piece, the connecting flange and the end connecting piece are fixedly connected, the end connecting piece is a hollow round tube, the diameter of the first conducting rod is larger than that of the first conducting rod, one end of the first conducting rod penetrates into the end connecting.
2. the split type opening and closing electric conductor of claim 1, wherein: the contact assembly comprises a copper contact, a soft copper braid structure and a wrapping hoop, one end of the soft copper braid structure is connected with the copper contact, the other end of the soft copper braid structure is sleeved into the aluminum pipe and fixedly connected with the wrapping hoop after being pressed and connected with the aluminum pipe, the wrapping hoop is fixed on the conducting rod II, the copper contact is T-shaped, the diameter of the vertical section of the copper contact is smaller than that of the aluminum pipe, the vertical section of the copper contact extends into the aluminum pipe, through holes are formed in the positions, corresponding to the vertical section of the copper contact and the aluminum pipe, of the through holes, and connecting bolts penetrate through the through holes.
3. The split type opening and closing electric conductor of claim 1 or 2, wherein: adjusting holes are formed in the first conducting rod and the second conducting rod, fixing bolts are installed in the overlapped adjusting holes in the first conducting rod and the second conducting rod, and rubber pad plugs are installed in the rest exposed adjusting holes in the first conducting rod and the second conducting rod.
4. The split type opening and closing electric conductor of claim 3, wherein: and a soft copper wire connecting clamp is arranged between the connecting fixer and the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822220.0U CN209766659U (en) | 2019-06-03 | 2019-06-03 | Split type open-close conductive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822220.0U CN209766659U (en) | 2019-06-03 | 2019-06-03 | Split type open-close conductive device |
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| Publication Number | Publication Date |
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| CN209766659U true CN209766659U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920822220.0U Active CN209766659U (en) | 2019-06-03 | 2019-06-03 | Split type open-close conductive device |
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| CN (1) | CN209766659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071471A (en) * | 2019-06-03 | 2019-07-30 | 中国能源建设集团南京线路器材有限公司 | Split type folding conductor |
-
2019
- 2019-06-03 CN CN201920822220.0U patent/CN209766659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071471A (en) * | 2019-06-03 | 2019-07-30 | 中国能源建设集团南京线路器材有限公司 | Split type folding conductor |
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