CN210779827U - Auxiliary hoisting support for replacing any tension insulator of direct-current transmission line - Google Patents
Auxiliary hoisting support for replacing any tension insulator of direct-current transmission line Download PDFInfo
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- CN210779827U CN210779827U CN201922177898.0U CN201922177898U CN210779827U CN 210779827 U CN210779827 U CN 210779827U CN 201922177898 U CN201922177898 U CN 201922177898U CN 210779827 U CN210779827 U CN 210779827U
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Abstract
The utility model discloses an auxiliary hoisting support is changed to arbitrary piece of direct current transmission line strain insulator aims at providing one kind and can improve the auxiliary hoisting support of direct current transmission line strain insulator change efficiency. The device comprises a beam tube, two triangular supports which are symmetrically positioned at two ends of the beam tube and the top ends of which are fixedly connected with the beam tube, two sliding seats which are sleeved on the beam tube in a sliding way and positioned between the two triangular supports, pulley assemblies which are respectively hinged at the lower parts of the sliding seats, and clamping mechanisms which are respectively and fixedly arranged at two sides of the lower end of the triangular support; the clamping mechanism comprises a first clamping block fixedly connected with the lower end of the triangular bracket, a second clamping block positioned at the lower end of the first clamping block and provided with a first arc groove at the lower end, one side of the second clamping block is hinged with the first clamping block, and a fastening bolt connecting the other sides of the first clamping block and the second clamping block; and a second arc groove correspondingly matched with the first arc groove is formed in the upper end of the second clamping block. The utility model discloses the operating time is changed to reducible strain insulator.
Description
Technical Field
The utility model belongs to the technical field of the electric wire netting maintenance tool technique and specifically relates to a supplementary hoisting support is changed to arbitrary piece of direct current transmission line strain insulator.
Background
In the daily operation maintenance process of a plurality of direct current ultrahigh voltage transmission lines, glass insulators are self-exploded, zero values of porcelain insulators are common defects, the existing replacement tool still has the defects of high labor intensity of operators in the actual process, high requirements on skill levels of the operators and the like, in order to meet the requirements of hot-line work development of the high voltage direct current transmission lines, the tension insulator string single sheet replacement clamp for the +/-500 kV transmission line disclosed by the Chinese patent publication No. 209526429U can improve the replacement maintenance efficiency of the tension insulator string to a certain extent, however, the tension insulator string single sheet replacement clamp still wastes time and labor in use, and further improves space. Especially, when an equipotential operator replaces a single insulator or two or three insulators, the equipotential operator needs to bend over to hang old insulators and take new insulators during high-altitude operation, the weight of the 500kV single insulator is about 25kg, the single operator is forced to lift and move aloft, the whole working efficiency of replacing the insulator is greatly influenced, and meanwhile, potential safety hazards of falling objects exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides a can improve the arbitrary piece of direct current transmission line strain insulator of operating efficiency and change supplementary hoisting support.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the auxiliary hoisting support for replacing any tension insulator of the direct current transmission line comprises a beam tube, two triangular supports, two sliding seats, pulley assemblies and clamping mechanisms, wherein the triangular supports are symmetrically positioned at two ends of the beam tube, the top ends of the triangular supports are fixedly connected with the beam tube, the two sliding seats are sleeved on the beam tube in a sliding mode and positioned between the two triangular supports, the pulley assemblies are respectively hinged to the lower portions of the sliding seats, and the clamping mechanisms are respectively and fixedly arranged at two sides of the lower end of the triangular support; the clamping mechanism comprises a first clamping block fixedly connected with the lower end of the triangular bracket, a second clamping block positioned at the lower end of the first clamping block and provided with a first arc groove at the lower end, one side of the second clamping block is hinged with the first clamping block, and a fastening bolt connecting the other sides of the first clamping block and the second clamping block; and a second arc groove correspondingly matched with the first arc groove is formed in the upper end of the second clamping block.
Preferably, the triangular bracket comprises a connecting block, two side plates, a transverse plate and at least one reinforcing plate, wherein the upper end of the connecting block is provided with a clamping groove for a cross beam pipe to pass through, the two side plates are symmetrically positioned at two sides of the connecting block, the upper ends of the side plates are fixedly connected with the connecting block, the two ends of the transverse plate are fixedly connected with the lower ends of the two side plates respectively and jointly form a triangle, and the reinforcing plate is parallel to the transverse plate, and the two ends; and a locking bolt is arranged at the opening of the clamping groove.
Preferably, the pulley assembly comprises two symmetrically arranged end plates, a plurality of connecting bolts for connecting the two end plates, and a pulley positioned between the two end plates and connected with the middle parts of the two end plates through a rotating shaft; the sliding seat is connected with a connecting bolt positioned on the upper part through a screw rod.
Preferably, the fastening bolt is a quick-release bolt.
Preferably, the fastening bolt is a quick-release bolt.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses can make current change direct current transmission line strain insulator string efficiency obtain great promotion, simplify the operation step, reduce the activity duration, reduce the risk that the operation was maintained to the electric wire netting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view of fig. 1, with the sheave assembly and cross-beam tube not shown.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 2.
Fig. 6 is a perspective view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
The auxiliary hoisting support for replacing any tension insulator of the direct current transmission line shown in fig. 1-6 comprises a beam tube 1, two triangular supports 2 which are symmetrically positioned at two ends of the beam tube 1 and the top ends of which are fixedly connected with the beam tube 1, two sliding seats 3 which are sleeved on the beam tube 1 in a sliding manner and positioned between the two triangular supports 2, pulley assemblies 4 which are respectively hinged at the lower parts of the sliding seats 3, and clamping mechanisms 5 which are respectively and fixedly arranged at two sides of the lower end of the triangular support 2; the clamping mechanism 5 comprises a first clamping block 51 fixedly connected with the lower end of the triangular bracket 2 and provided with a first arc groove 52 at the lower end, a second clamping block 53 positioned at the lower end of the first clamping block 51 and hinged with the first clamping block 51 at one side, and a fastening bolt 54 connected with the other side of the first clamping block 51 and the second clamping block 53; the upper end of the second clamping block 53 is provided with a second arc groove 55 correspondingly matched with the first arc groove 52; the first block 51 and the second block 53 form a structure similar to a hoop, so that the connection of the fixture is realized.
In this embodiment, the triangular bracket 2 includes a connecting block 22 having a clamping groove 21 at the upper end for the beam tube 1 to pass through, two side plates 23 symmetrically located at both sides of the connecting block 22 and having upper ends fixedly connected with the connecting block 22, a transverse plate 24 having both ends fixedly connected with the lower ends of the two side plates 23 respectively and enclosing a triangle together, and two reinforcing plates 25 parallel to the transverse plate 24 and having both ends fixedly connected with the two side plates 23 respectively; the opening of the clamping groove 21 is provided with a locking bolt 26. When assembled, the beam tube 1 passes through the clamping groove 21 and is locked by the locking bolt 26, so that the beam tube is convenient to assemble, use and carry. Other means of attachment are clearly possible. The connection between the connecting block 22, the side plate 23, the transverse plate 24 and the reinforcing plate 25 can be a rivet connection, obviously, a bolt connection, welding or the like can also be adopted.
In this embodiment, the pulley assembly 4 includes two end plates 41 symmetrically arranged, a plurality of connecting bolts 42 connecting the two end plates 41, and a pulley 44 located between the two end plates 41 and connected to the middle of the two end plates through a rotating shaft 43; the sliding seat 3 is connected with a connecting bolt 42 positioned at the upper part through a screw 45, a connecting hole for the screw 45 to pass through is arranged on the connecting bolt 42 connected with the screw 45, and the screw is positioned with the connecting bolt 42 through a nut or a pin.
In this embodiment, the fastening bolt 54 is preferably a quick release bolt, and obviously, a handle bolt or the like may be used. The fastening bolt 54 is preferably a quick release bolt, and obviously a handle bolt or the like may be used.
The utility model discloses during the use, with 5 centre grippings of fixture on the fixture of installation. A lifting rope is wound on the pulley 44 assemblies 4, one pulley 44 assembly 4 is moved to the middle, and the vertical downward lifting of the insulator to be replaced and the lifting of a new insulator can be realized after the insulator to be replaced is taken off; the two pulley 44 assemblies 4 can be hoisted simultaneously or can be used independently.
The insulator is hoisted through the auxiliary hoisting support, and operators do not need to bend the insulator. Ground electrician can lift the insulator to the mounting position through this supplementary hoisting support, alleviates operation personnel intensity of labour and the technical difficulty greatly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It should be understood by those skilled in the art that any modification, equivalent replacement, or improvement made to the technical solutions or parts of technical features described in the above embodiments can be included in the scope of the present invention within the spirit and principle of the present invention.
Claims (5)
1. Supplementary hoisting support is changed to arbitrary piece of direct current transmission line strain insulator, its characterized in that: the device comprises a beam tube, two triangular supports which are symmetrically positioned at two ends of the beam tube and the top ends of which are fixedly connected with the beam tube, two sliding seats which are sleeved on the beam tube in a sliding way and positioned between the two triangular supports, pulley assemblies which are respectively hinged at the lower parts of the sliding seats, and clamping mechanisms which are respectively and fixedly arranged at two sides of the lower end of the triangular support; the clamping mechanism comprises a first clamping block fixedly connected with the lower end of the triangular bracket, a second clamping block positioned at the lower end of the first clamping block and provided with a first arc groove at the lower end, one side of the second clamping block is hinged with the first clamping block, and a fastening bolt connecting the other sides of the first clamping block and the second clamping block; and a second arc groove correspondingly matched with the first arc groove is formed in the upper end of the second clamping block.
2. The auxiliary hoisting support for replacing any tension insulator of the direct current transmission line according to claim 1 is characterized in that: the triangular support comprises a connecting block, two side plates, a transverse plate and at least one reinforcing plate, wherein the upper end of the connecting block is provided with a clamping groove for a cross beam pipe to pass through, the two side plates are symmetrically positioned on two sides of the connecting block, the upper end of the side plates is fixedly connected with the connecting block, two ends of the transverse plate are fixedly connected with the lower ends of the two side plates respectively and form a triangle together, and the reinforcing plate is parallel to the transverse plate, and two ends; and a locking bolt is arranged at the opening of the clamping groove.
3. The auxiliary hoisting support for replacing any tension insulator of the direct current transmission line according to claim 1 or 2 is characterized in that: the pulley assembly comprises two symmetrically arranged end plates, a plurality of connecting bolts for connecting the two end plates and a pulley which is positioned between the two end plates and is connected with the middle parts of the two end plates through a rotating shaft; the sliding seat is connected with a connecting bolt positioned on the upper part through a screw rod.
4. The auxiliary hoisting support for replacing any tension insulator of the direct current transmission line according to claim 1 or 2 is characterized in that: the fastening bolt is a quick-release bolt.
5. The auxiliary hoisting support for replacing any tension insulator of the direct current transmission line according to claim 1 or 2 is characterized in that: the fastening bolt is a quick-release bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177898.0U CN210779827U (en) | 2019-12-09 | 2019-12-09 | Auxiliary hoisting support for replacing any tension insulator of direct-current transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177898.0U CN210779827U (en) | 2019-12-09 | 2019-12-09 | Auxiliary hoisting support for replacing any tension insulator of direct-current transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210779827U true CN210779827U (en) | 2020-06-16 |
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ID=71049775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922177898.0U Active CN210779827U (en) | 2019-12-09 | 2019-12-09 | Auxiliary hoisting support for replacing any tension insulator of direct-current transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210779827U (en) |
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2019
- 2019-12-09 CN CN201922177898.0U patent/CN210779827U/en active Active
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