CN-116093808-B - Live replacement device for composite cross arm of power transmission line

Abstract

The invention discloses a charged replacement device for a composite cross arm of a power transmission line, which comprises a support mechanism, an upper adjusting mechanism and a lower adjusting mechanism, wherein the support mechanism comprises a frame body, a screw rod positioned at the front end of the frame body, a hanging plate positioned at the upper part of the frame body, a fixed roller positioned at the inner side of the frame body, a movable roller positioned at the rear end of the frame body and an adjusting piece positioned in the frame body, the upper adjusting mechanism comprises an upper rotating rod, an upper protruding edge is arranged at the periphery of the upper rotating rod, and an upper positioning block is arranged at one end of the upper rotating rod. The invention has simple structure and convenient installation and operation, the ground potential of an operator can finish the replacement of the composite cross arm, and the gravity of the lead wire hung on the composite cross arm to be replaced can be transferred to the upper composite cross arm or the ground wire cross arm, so that the subsequent whole group or single branch of the composite cross arm is convenient to disassemble and assemble, and meanwhile, the position of the movable roller 105 is adjustable, so that the use limitation of the replacement device is reduced, and the use requirement of users under different operation conditions is met.

Inventors

• YANG LIANG
• YANG TENG
• PANG FENG
• FU ZONGRUI
• ZHANG XIAOZU
• MA DAPENG
• Cui ao
• LIU RUI
• YANG FENG
• GONG XUQIANG
• ZHANG ZHIHUA
• ZHANG HUI
• ZHAO WEIYAN
• LIU LEI
• PAN RUIJIAN
• ZHENG RUIDONG

Assignees

• 云南电网有限责任公司输电分公司
• 南方电网科学研究院有限责任公司

Dates

Publication Date

20260512

Application Date

20221204

Claims (10)

1. 1. The composite cross arm live replacement device for the power transmission line is characterized by comprising, The support mechanism (100) comprises a frame body (101), a screw rod (102) positioned at the front end of the frame body (101), a lifting plate (103) positioned at the upper part of the frame body (101), a fixed roller (104) positioned at the inner side of the frame body (101), a movable roller (105) positioned at the rear end of the frame body (101) and a regulating and controlling piece (106) positioned in the frame body (101); Go up adjustment mechanism (200), including last bull stick (201), the periphery of going up bull stick (201) is provided with bead (202), the one end of going up bull stick (201) is provided with locating piece (203), and go up locating piece (203) and be fixed in the outer wall of support body (101), the other end of going up bull stick (201) is provided with locking cover (204), the inner wall of going up locking cover (204) is provided with and goes up twist grip (205), the outside of going up twist grip (205) is provided with spacing piece (206), the surface of going up spacing piece (206) is provided with control lever (207), the end of going up control lever (207) is provided with and supports piece (208), and The lower adjusting mechanism (300) comprises a lower rotating rod (301), a lower protruding edge (302) is arranged on the periphery of the lower rotating rod (301), a lower positioning block (303) is arranged at one end of the lower rotating rod (301), the lower positioning block (303) is fixed on the outer wall of the frame body (101), a lower locking sleeve (304) is arranged at the other end of the lower rotating rod (301), a lower rotating handle (305) is arranged on the inner wall of the lower locking sleeve (304), a lower limiting piece (306) is arranged on the outer side of the lower rotating handle (305), a lower control rod (307) is arranged on the surface of the lower limiting piece (306), and a lower supporting block (308) is arranged at the end of the lower control rod (307); The fixed roller (104) comprises a fixed frame (104 a) fixed at the front part of the inner side of the frame body (101), and a first movable sleeve (104 b) is arranged outside the fixed frame (104 a); The movable roller (105) comprises a movable rod (105 a) arranged in the frame body (101), a connecting frame (105 b) is arranged at the bottom of the movable rod (105 a), second movable sleeves (105 c) are arranged outside the movable rod (105 a) and the connecting frame (105 b), and guide blocks (105 d) are arranged outside the connecting frame (105 b); the regulating and controlling piece (106) comprises a cavity (106 a) reserved in the frame body (101), a round rod (106 b) is arranged in the cavity (106 a), a poking piece (106 c) is arranged outside the round rod (106 b), and a spring (106 d) is arranged on the bottom surface of the poking piece (106 c).
2. 2. The electric power transmission line composite cross arm live replacement device according to claim 1, wherein a chute (101 a) is reserved on the inner wall of one side of the frame body (101), and a guide groove (101 b) is reserved on the inner wall of one side, far away from the chute (101 a), of the frame body (101).
3. 3. The live replacement device for the composite cross arm of the power transmission line according to claim 1 or 2, wherein the lifting plate (103) comprises a convex plate (103 a) fixed on the top of the frame body (101), and an anti-overturning plate (103 b) is arranged on the outer side of the convex plate (103 a).
4. 4. The device for replacing the composite cross arm of the power transmission line with electricity according to claim 3, wherein round holes are reserved on the surface of the convex plate (103 a).
5. 5. The device for replacing the composite cross arm of the power transmission line with electricity according to claim 4, wherein the fixing frame (104 a) is arranged in a shape of a Chinese character 'kou', and a first movable sleeve (104 b) is movably sleeved outside the upper cross rod and the lower cross rod of the fixing frame (104 a).
6. 6. The charged replacement device for the composite cross arm of the power transmission line according to claim 5, wherein the poking sheets (106 c) are rotatably connected with the round bar (106 b), and the poking sheets (106 c) are horizontally arranged on the round bar (106 b) in an array.
7. 7. The charged replacement device for the composite cross arm of the power transmission line according to claim 6, wherein springs (106 d) are fixed at two ends of the bottom surface of the poking sheet (106 c), and the bottom ends of the springs (106 d) are in contact with the bottom surface of the cavity (106 a).
8. 8. The charged replacement device for the composite cross arm of the power transmission line of claim 7, wherein the upper rib (202) and the lower rib (302) are arranged in the same direction, and the upper rib (202) and the lower rib (302) are respectively arranged at the peripheries of the upper rotating rod (201) and the lower rotating rod (301) in a spiral manner.
9. 9. The device for replacing the composite cross arm of the power transmission line with electricity according to claim 6 or 7, wherein the poking piece (106 c) and the upper rotating rod (201) form a linkage structure through the upper convex rib (202).
10. 10. The transmission line composite cross arm live replacement apparatus of claim 9, wherein: the outer side surfaces of the upper locking sleeve (204) and the lower locking sleeve (304) are obliquely arranged along the spiral direction, and the outer side surfaces of the upper locking sleeve (204) and the lower locking sleeve (304) are obliquely opposite.

Description

Live replacement device for composite cross arm of power transmission line Technical Field The invention relates to the field of composite cross arm replacement, in particular to a device for replacing a composite cross arm of a power transmission line in an electrified manner. Background The pole tower is one of the most important components in overhead transmission lines, along with the development of power grid construction and composite material technology and manufacturing process thereof, the composite cross arm starts to replace the original transmission line pole tower steel cross arm, in the long-term use process of the composite cross arm, in order to ensure the power supply reliability of the transmission line, periodic maintenance is necessary for the composite cross arm, when the insulation performance or mechanical performance of the composite cross arm is no longer met by using requirements due to defects, the composite cross arm is replaced, the operation process is required to be powered off when the composite cross arm is replaced in the prior art, normal transmission of electric power is affected, and meanwhile, a special operation device is lacked, so that the difficulty of replacing operation of the cross arm is high, and the live replacement device for the auxiliary transmission line composite cross arm is provided. Disclosure of Invention This section is intended to summarize some aspects of embodiments of the application and to briefly introduce some preferred embodiments, which may be simplified or omitted in this section, as well as the description abstract and the title of the application, to avoid obscuring the objects of this section, description abstract and the title of the application, which is not intended to limit the scope of this application. The present invention has been made in view of the above and/or problems occurring in the prior art. Therefore, the invention aims to solve the technical problem that the existing cross arm is difficult to operate during replacement. In order to solve the technical problems, the invention provides the technical scheme that the composite cross arm live replacement device for the power transmission line comprises a support mechanism, a lifting plate, a fixed roller and a regulating and controlling piece, wherein the support mechanism comprises a frame body, a screw rod positioned at the front end of the frame body, the lifting plate positioned at the upper part of the frame body, the fixed roller positioned at the inner side of the frame body, the movable roller positioned at the rear end of the frame body and the regulating and controlling piece positioned in the frame body; The upper adjusting mechanism comprises an upper rotating rod, an upper protruding edge is arranged on the periphery of the upper rotating rod, an upper positioning block is arranged at one end of the upper rotating rod and fixed on the outer wall of the frame body, an upper locking sleeve is arranged at the other end of the upper rotating rod, an upper rotating handle is arranged on the inner wall of the upper locking sleeve, an upper limiting piece is arranged on the outer side of the upper rotating handle, an upper control rod is arranged on the surface of the upper limiting piece, an upper supporting block is arranged at the end head of the upper control rod, and The lower adjusting mechanism comprises a lower rotating rod, a lower protruding edge is arranged on the periphery of the lower rotating rod, a lower positioning block is arranged at one end of the lower rotating rod and fixed on the outer wall of the frame body, a lower locking sleeve is arranged at the other end of the lower rotating rod, a lower rotating handle is arranged on the inner wall of the lower locking sleeve, a lower limiting piece is arranged on the outer side of the lower rotating handle, a lower control rod is arranged on the surface of the lower limiting piece, and a lower supporting block is arranged at the end head of the lower control rod; the fixed roller comprises a fixed frame fixed at the front part of the inner side of the frame body, and a first movable sleeve is arranged outside the fixed frame; The movable roller comprises a movable rod arranged in the frame body, a connecting frame is arranged at the bottom of the movable rod, second movable sleeves are arranged outside the movable rod and the connecting frame, and a guide block is arranged outside the connecting frame; The regulating and controlling piece is including reserving the locating the inside cavity of support body, the inside of cavity is provided with the bull stick, the outside of bull stick is provided with the plectrum, the bottom surface of plectrum is provided with the spring. As an optimal scheme of the electric transmission line composite cross arm live replacement device, a chute is reserved on the inner wall of one side of the frame body, and a guide groove is reserved on the inner wall of one side of