CN115489399A - Integral insulation cantilever device - Google Patents

Integral insulation cantilever device Download PDF

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Publication number
CN115489399A
CN115489399A CN202211054565.9A CN202211054565A CN115489399A CN 115489399 A CN115489399 A CN 115489399A CN 202211054565 A CN202211054565 A CN 202211054565A CN 115489399 A CN115489399 A CN 115489399A
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CN
China
Prior art keywords
hoop
connector
cantilever
wrist
main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211054565.9A
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Chinese (zh)
Inventor
周琳
孔杰
宁方立
汪韩
陈吉刚
何治新
李鲲鹏
李忠齐
龚建刚
林�建
张厂育
赵金凤
吴海超
赵明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwestern Polytechnical University
Guangzhou Metro Design and Research Institute Co Ltd
China Railway High Speed Electrification Equipment Corp Ltd
Original Assignee
Northwestern Polytechnical University
Guangzhou Metro Design and Research Institute Co Ltd
China Railway High Speed Electrification Equipment Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northwestern Polytechnical University, Guangzhou Metro Design and Research Institute Co Ltd, China Railway High Speed Electrification Equipment Corp Ltd filed Critical Northwestern Polytechnical University
Priority to CN202211054565.9A priority Critical patent/CN115489399A/en
Publication of CN115489399A publication Critical patent/CN115489399A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60MPOWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00Power supply lines for contact with collector on vehicle
    • B60M1/12Trolley lines; Accessories therefor
    • B60M1/20Arrangements for supporting or suspending trolley wires, e.g. from buildings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60MPOWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00Power supply lines for contact with collector on vehicle
    • B60M1/12Trolley lines; Accessories therefor
    • B60M1/20Arrangements for supporting or suspending trolley wires, e.g. from buildings
    • B60M1/24Clamps; Splicers; Anchor tips

Abstract

An integral insulation cantilever device comprises a flat cantilever, an inclined cantilever, a positioning pipe, a cantilever support, a positioning pipe support, a cantilever connector, a positioning pipe connector and a carrier cable connector; the flat cantilever, the inclined cantilever, the positioning tube, the cantilever support and the positioning tube support are all non-metal tubes; the wrist arm connector, the positioning pipe connector and the carrier cable connector are all of non-metal structures; the wrist arm connector, the positioning pipe connector and the catenary connector are all of hoop structures, the left end of the flat wrist arm is fixedly sleeved with the wrist arm connector, and the right end of the flat wrist arm is fixedly sleeved with the catenary connector; the lower end of the inclined wrist arm is fixedly sleeved with a positioning pipe connector, the upper end of the wrist arm support is fixedly connected with the wrist arm connector, and the lower end of the wrist arm support is fixedly connected with the positioning pipe connector; the upper end of the oblique cantilever is fixedly connected with the carrier cable seat connector; the left end of the positioning pipe is fixedly connected with the positioning pipe connector. The invention integrally adopts non-metallic materials, greatly improves the electrical insulation performance of the contact network and reduces the ground fault.

Description

Integral insulation wrist arm device
Technical Field
The invention belongs to the technical field of electrified railway contact networks, and particularly relates to an integral insulating cantilever device.
Background
The design level of the lightweight contact net and the improvement of the electrical performance is the development direction of rail transit equipment. The closest prior art of the invention is an insulating contact net suspension device CN202753803U which is mainly characterized in that a horizontal cantilever, an inclined cantilever, a cantilever support rod, a bearing wire clamp, a positioning tube and a positioner in the suspension device are all made of non-metallic materials; the insulator that the surface that has cancelled among the conventional technology used is unsmooth shape is each cantilever that non-metallic material supported, and the connecting piece adopts non-metallic material, and these can both improve this linkage's electrical performance greatly for wet sudden strain of a muscle voltage improves, improves contact net safety protection system grade. But its cantilever connected mode still continues to use traditional link fitting, contains more bolt pair part and prevents the axial slip through adopting the bolt pair to apply fastening torque, and to rail transit operation unit, the contact net is patrolled and examined work and is mainly examined whether the bolt pair is not hard up, consequently, its installation and maintenance will consume huge human cost and time cost. In addition, the traditional connecting hardware fitting is still used in the patent, and the defects that the weight of the wrist arm is increased and the electrical insulation performance is reduced exist.
Disclosure of Invention
The invention provides an integral insulating wrist-arm device, which overcomes the defects of the prior art.
The technical scheme adopted by the invention is as follows: an integral insulating cantilever device comprises a flat cantilever, an inclined cantilever, a positioning tube, a cantilever support, a positioning tube support, a cantilever connector, a positioning tube connector and a catenary connector;
the flat cantilever, the inclined cantilever, the positioning tube, the cantilever support and the positioning tube support are all non-metal tubes; the wrist arm connector, the positioning pipe connector and the carrier cable connector are all of non-metal structures;
the wrist arm connector comprises a first main hoop and a first auxiliary hoop connected to the first main hoop; the positioning pipe connector comprises a second main hoop, and two sides of the second main hoop are respectively connected with a second auxiliary hoop and a horizontal hoop; the carrier cable seat connector comprises a main anchor ear III and an auxiliary anchor ear III connected to the main anchor ear III;
the left end of the flat cantilever is fixedly provided with a cantilever connector through a first main anchor ear in a sleeved mode, and the right end of the flat cantilever is fixedly provided with a carrier cable connector through a third main anchor ear in a sleeved mode; the lower end of the inclined cantilever is fixedly sleeved with a positioning pipe connector through a first main hoop, the upper end of the cantilever support is fixedly connected with the wrist connector through a first auxiliary hoop, and the lower end of the cantilever support is fixedly connected with the positioning pipe connector through a second auxiliary hoop; the upper end of the oblique cantilever is fixedly connected with the carrier cable base connector through a third auxiliary anchor ear; the left end of the positioning pipe is fixedly connected with the positioning pipe connector through a horizontal hoop.
The upper end of the inclined cantilever is fixedly provided with a cantilever connector through a main hoop I in a sleeved mode, and the right end of the positioning pipe is fixedly provided with the cantilever connector through a main hoop I in a sleeved mode; the upper end of the positioning tube support is fixedly connected with a wrist arm connector positioned at the upper end of the inclined wrist arm through a first auxiliary hoop, and the lower end of the positioning tube support is fixedly connected with the wrist arm connector positioned at the right end of the positioning tube through a first auxiliary hoop.
The right end of the flat cantilever is fixedly provided with a wrist-arm connector in a sleeved mode through a main hoop I, and the wrist-arm connector is positioned on the right side of the catenary-cable connector; the right end of the positioning pipe is fixedly provided with a wrist arm connector through a main hoop I; the upper end of the positioning tube support is fixedly connected with a wrist arm connector at the right end of the flat wrist arm through a first auxiliary hoop, and the lower end of the positioning tube support is fixedly connected with the wrist arm connector at the right end of the positioning tube through a first auxiliary hoop.
External threads are arranged on the peripheries of the flat cantilever, the inclined cantilever, the positioning tube, the cantilever support and the positioning tube support; the inner walls of the first main hoop, the first auxiliary hoop, the second main hoop, the second auxiliary hoop, the horizontal hoop, the third main hoop and the third auxiliary hoop are all provided with internal threads.
The wrist arm connector comprises a left half hoop body I and a right half hoop body I which are oppositely arranged, and the opposite surfaces of the left half hoop body I and the right half hoop body I are sequentially provided with an arc-shaped hook head I, a transverse semicircular groove I and a vertical or oblique semicircular groove I from top to bottom; the inner surfaces of the transverse semicircular groove I and the vertical or inclined semicircular groove I are respectively provided with the internal threads arranged along the circumferential direction of the transverse semicircular groove I and the vertical or inclined semicircular groove I;
the first left half hoop body and the first right half hoop body are buckled together, the upper ends of the first left half hoop body and the first right half hoop body are connected through a first arc-shaped hook head, the lower ends of the first left half hoop body and the first right half hoop body are connected and fixed through a peripheral sleeved locking sleeve, a first main hoop is formed through a first two transverse semicircular grooves, and a first auxiliary hoop is formed through a first two vertical or oblique semicircular grooves.
The positioning pipe connector comprises two half hoop bodies which are oppositely arranged and have the same structure, and the opposite surfaces of the two half hoop bodies are sequentially provided with a first inclined semicircular groove, a second inclined semicircular groove and a first horizontal semicircular groove from top to bottom; the inner surfaces of the first inclined semicircular groove, the second inclined semicircular groove and the first horizontal semicircular groove are respectively provided with the internal threads arranged along the circumferential direction of the first inclined semicircular groove, the second inclined semicircular groove and the first horizontal semicircular groove;
after the two half hoop bodies are buckled together, the end parts of the two inclined semicircular grooves I and the end parts of the two horizontal semicircular grooves I are fixedly connected through the peripheral sleeving locking sleeves respectively, so that a main hoop II is formed through the two inclined semicircular grooves II, an auxiliary hoop II is formed through the two inclined semicircular grooves I, and a horizontal hoop is formed through the two horizontal semicircular grooves I.
The carrier cable seat connector comprises a left half hoop body II and a right half hoop body II which are oppositely arranged, and the opposite surfaces of the left half hoop body II and the right half hoop body II are sequentially provided with an arc-shaped hook head II, a horizontal semicircular groove II and an inclined semicircular groove III from top to bottom; the inner surfaces of the horizontal semicircular groove II and the inclined semicircular groove III are respectively provided with the internal threads arranged along the circumferential direction of the horizontal semicircular groove II and the inclined semicircular groove III; the top of the arc hook head II at the upper end of the left half hoop body II is provided with a carrier cable seat mounting platform;
the upper end of the left half hoop body II and the upper end of the right half hoop body II are buckled together and connected through the arc-shaped gib head II, and the lower end of the left half hoop body II and the right half hoop body II are connected and fixed through the peripheral sleeved locking sleeve, so that a main hoop III is formed through the two horizontal semicircular grooves II, and an auxiliary hoop III is formed through the two inclined semicircular grooves III.
And rib plates are arranged in the inner cavities of the flat cantilever, the inclined cantilever, the positioning tube, the cantilever support and the positioning tube support.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention integrally adopts non-metallic materials, has light weight and high electrical insulation performance level, greatly improves the electrical insulation performance and lightning protection level of the contact network, and reduces the ground fault.
2. The cantilever pipe is provided with the external thread, so that the creepage distance is doubled, and the safety level of electrical insulation is improved; meanwhile, the external thread surface can not form a continuous water film under the severe weather condition, and the probability of flashover is reduced.
3. The wrist arm connector, the positioning pipe connector and the carrier cable connector all adopt non-metal anchor ear structures and non-bolt pair connection modes, so that the labor cost and the time cost are saved in installation and maintenance, and the construction and operation maintenance efficiency is improved.
4. The inner surfaces of the wrist arm connector, the positioning pipe connector and the carrier cable seat connector are provided with internal threads, and the internal threads are meshed with the external threads on the surface of the wrist arm pipe when the wrist arm connector, the positioning pipe connector and the carrier cable seat connector are connected with the wrist arm pipe, so that the axial slippage of the connectors is effectively prevented.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural view of the flat cantilever, the inclined cantilever, the positioning tube, the cantilever support and the positioning tube support of the present invention;
fig. 4 is a schematic diagram of a messenger seat connector configuration of the present invention;
FIG. 5 is a schematic structural view of the left half anchor ear body II of the carrier cable base connector of the present invention;
fig. 6 is a schematic structural view of a right half anchor ear body of the carrier cable seat connector of the invention;
FIG. 7 is a schematic view of the connector of the positioning tube of the present invention;
FIG. 8 is a schematic view of a half anchor bolt structure of the positioning tube connector of the present invention;
FIG. 9 is a schematic view of the wrist joint according to the invention;
FIG. 10 is a schematic view of a left half anchor ear structure of the wrist connector according to the present invention;
fig. 11 is a structural schematic view of the right half hoop of the wrist connector of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1 will be described in detail with reference to fig. 1, 3, 4, 5, 6, 7, 8, 9, 10 and 11.
An integral insulation wrist-arm device comprises a flat wrist-arm 1, an inclined wrist-arm 2, a positioning tube 3, a wrist-arm support 9, a positioning tube support 10, a wrist-arm connector 4, a positioning tube connector 5 and a bearing cable connector 6; the flat cantilever 1, the inclined cantilever 2, the positioning tube 3, the cantilever support 9 and the positioning tube support 10 are all non-metal tubes; the wrist arm connector 4, the positioning pipe connector 5 and the carrier cable connector 6 are all of non-metal structures.
The wrist arm connector 4 comprises a main hoop I41 and an auxiliary hoop I42 connected to the main hoop I41; the positioning pipe connector 5 comprises a second main hoop 51, and two sides of the second main hoop 51 are respectively connected with a second auxiliary hoop 52 and a horizontal hoop 53; the carrier cable base connector 6 comprises a main anchor ear III 61 and an auxiliary anchor ear III 62 connected to the main anchor ear III 61;
the peripheries of the flat cantilever 1, the inclined cantilever 2, the positioning tube 3, the cantilever support 9 and the positioning tube support 10 are all provided with external threads 7; the inner walls of the first main hoop 41, the first auxiliary hoop 42, the second main hoop 51, the second auxiliary hoop 52, the horizontal hoop 53, the third main hoop 61 and the third auxiliary hoop 62 are all provided with internal threads 8. The external thread 7 is meshed with the internal thread 8, so that the wrist arm connector 4, the positioning pipe connector 5 and the catenary cable connector 6 are prevented from sliding.
The left end of the flat cantilever 1 is fixedly sleeved with a cantilever connector 4 through a first main anchor ear 41, and the right end of the flat cantilever is fixedly sleeved with a carrier cable connector 6 through a third main anchor ear 61; the lower end of the inclined cantilever 2 is fixedly sleeved with a positioning pipe connector 5 through a main hoop II 51, the upper end of the cantilever support 9 is fixedly connected with the wrist arm connector 4 through an auxiliary hoop I42, and the lower end of the cantilever support is fixedly connected with the positioning pipe connector 5 through an auxiliary hoop II 52; the upper end of the oblique cantilever 2 is fixedly connected with the carrier cable base connector 6 through a third auxiliary anchor ear 62; the left end of the positioning pipe 3 is fixedly connected with the positioning pipe connector 5 through a horizontal hoop 53.
The upper end of the inclined cantilever 2 is fixedly sleeved with a wrist connector 4 through a main hoop I41, and the right end of the positioning tube 3 is fixedly sleeved with the wrist connector 4 through the main hoop I41; the upper end of the positioning tube support 10 is fixedly connected with the wrist arm connector 4 positioned at the upper end of the inclined wrist arm 2 through the auxiliary hoop I42, and the lower end of the positioning tube support is fixedly connected with the wrist arm connector 4 positioned at the right end of the positioning tube 3 through the auxiliary hoop I42.
The wrist arm connector 4 comprises a left half hoop body I43 and a right half hoop body I44 which are oppositely arranged, and the opposite surfaces of the left half hoop body I43 and the right half hoop body I44 are sequentially provided with an arc-shaped hook head I45, a transverse semicircular groove I46 and a vertical or inclined semicircular groove I47 from top to bottom; the inner surfaces of the transverse semicircular groove I46 and the vertical or oblique semicircular groove I47 are respectively provided with the internal thread 8 arranged along the circumferential direction of the transverse semicircular groove I; the upper end of the left half hoop body I43 and the upper end of the right half hoop body I44 are connected through an arc-shaped hook head I45 after being buckled together, the lower end of the left half hoop body I is connected and fixed through a peripheral sleeving locking sleeve 11, a main hoop I41 is formed through two transverse semicircular grooves I46, and an auxiliary hoop I42 is formed through two vertical or inclined semicircular grooves I47.
The positioning pipe connector 5 comprises two opposite semi-hoop bodies 54 with the same structure, and opposite surfaces of the two semi-hoop bodies 54 are sequentially provided with a first inclined semi-circular groove 55, a second inclined semi-circular groove 56 and a first horizontal semi-circular groove 57 from top to bottom; the inner surfaces of the first inclined semicircular groove 55, the second inclined semicircular groove 56 and the first horizontal semicircular groove 57 are respectively provided with the internal thread 8 arranged along the circumferential direction of the inner surfaces; after the two half hoop bodies 54 are buckled together, the end parts of the two inclined semi-circular grooves I55 and the end parts of the two horizontal semi-circular grooves I57 are respectively connected and fixed through the peripheral sleeving locking sleeve 11, so that a main hoop II 51 is formed through the two inclined semi-circular grooves II 56, an auxiliary hoop II 52 is formed through the two inclined semi-circular grooves I55, and a horizontal hoop 53 is formed through the two horizontal semi-circular grooves I57.
The carrier cable base connector 6 comprises a left half hoop body II 63 and a right half hoop body II 64 which are oppositely arranged, and the opposite surfaces of the left half hoop body II 63 and the right half hoop body II 64 are sequentially provided with an arc-shaped hook head II 65, a horizontal semicircular groove II 66 and an inclined semicircular groove III 67 from top to bottom; the inner surfaces of the second horizontal semicircular groove 66 and the third inclined semicircular groove 67 are respectively provided with the internal threads 8 arranged along the circumferential direction of the horizontal semicircular groove and the third inclined semicircular groove; the top of the arc hook head II 65 at the upper end of the left half hoop body II 63 is provided with a carrier cable seat mounting platform 12; the upper end of the left half hoop body II 63 and the upper end of the right half hoop body II 64 are connected through the arc-shaped hook head II 65 after being buckled together, and the lower end of the left half hoop body II is connected and fixed through the peripheral sleeving locking sleeve 11, so that a main hoop III 61 is formed through the two horizontal semicircular grooves II 66, and an auxiliary hoop III 62 is formed through the two inclined semicircular grooves III 67.
In order to improve the strength and the rigidity, rib plates 13 are arranged in inner cavities of the flat cantilever 1, the inclined cantilever 2, the positioning tube 3, the cantilever support 9 and the positioning tube support 10.
C-shaped hooks are preferably selected by the first arc-shaped hook 45 and the second arc-shaped hook 65, and the C-shaped hook at the upper end of the right half hoop body is sleeved in the C-shaped hook at the upper end of the left half hoop body.
When the device is installed and used, the inner ends of the flat cantilever 1 and the inclined cantilever 2 are respectively connected with the upright post 15 through the connecting hardware fittings 14 to form a triangular supporting structure, then the top of the bearing cable seat mounting platform 12 is provided with the bearing cable seat 16, the positioning device 17 is arranged on the positioning pipe 3 in the forward direction, the bearing cable is clamped through the bearing cable seat 16, and the contact line is clamped through the positioning device 17.
Example 2 will be described in detail with reference to fig. 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11.
The basic structure is the same as in example 1, except that: the right end of the flat cantilever 1 is fixedly sleeved with a wrist connector 4 through a main anchor ear I41, and the wrist connector 4 is positioned on the right side of the catenary connector 6; the right end of the positioning pipe 3 is fixedly sleeved with a wrist arm connector 4 through a main hoop I41; the upper end of the positioning tube support 10 is fixedly connected with the wrist arm connector 4 positioned at the right end of the flat wrist arm 1 through the auxiliary hoop I42, and the lower end of the positioning tube support is fixedly connected with the wrist arm connector 4 positioned at the right end of the positioning tube 3 through the auxiliary hoop I42.
When the device is installed and used, the inner ends of the flat cantilever 1 and the inclined cantilever 2 are respectively connected with the upright post 15 through the connecting hardware fittings 14 to form a triangular supporting structure, then the top of the carrier cable seat mounting platform 12 is provided with the carrier cable seat 16, the positioning device 17 is reversely arranged on the positioning pipe 3, the carrier cable is clamped through the carrier cable seat 16, and the contact line is clamped through the positioning device 17.
The above-mentioned embodiments are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, so that the equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. An integral insulating cantilever device, characterized in that: the device comprises a flat cantilever (1), an inclined cantilever (2), a positioning tube (3), a cantilever support (9), a positioning tube support (10), a wrist arm connector (4), a positioning tube connector (5) and a catenary cable connector (6);
the flat cantilever (1), the inclined cantilever (2), the positioning tube (3), the cantilever support (9) and the positioning tube support (10) are all non-metal tubes; the wrist arm connector (4), the positioning pipe connector (5) and the carrier cable connector (6) are all of non-metal structures;
the wrist arm connector (4) comprises a first main hoop (41) and a first auxiliary hoop (42) connected to the first main hoop (41); the positioning pipe connector (5) comprises a second main hoop (51), and two sides of the second main hoop (51) are respectively connected with a second auxiliary hoop (52) and a horizontal hoop (53); the carrier cable connector (6) comprises a third main anchor ear (61) and a third auxiliary anchor ear (62) connected to the third main anchor ear (61);
the left end of the flat cantilever (1) is fixedly sleeved with a wrist arm connector (4) through a first main anchor ear (41), and the right end of the flat cantilever is fixedly sleeved with a carrier cable connector (6) through a third main anchor ear (61); the lower end of the inclined cantilever (2) is fixedly sleeved with a positioning pipe connector (5) through a main hoop II (51), the upper end of the cantilever support (9) is fixedly connected with the wrist arm connector (4) through an auxiliary hoop I (42), and the lower end of the cantilever support is fixedly connected with the positioning pipe connector (5) through an auxiliary hoop II (52); the upper end of the oblique cantilever (2) is fixedly connected with the carrier cable base connector (6) through a third auxiliary anchor ear (62); the left end of the positioning pipe (3) is fixedly connected with the positioning pipe connector (5) through a horizontal hoop (53).
2. An integral insulating wrist-arm device according to claim 1, wherein: the upper end of the inclined wrist arm (2) is fixedly sleeved with a wrist arm connector (4) through a first main hoop (41), and the right end of the positioning tube (3) is fixedly sleeved with the wrist arm connector (4) through a first main hoop (41); the upper end of the positioning tube support (10) is fixedly connected with a wrist arm connector (4) positioned at the upper end of the inclined wrist arm (2) through an auxiliary hoop I (42), and the lower end of the positioning tube support is fixedly connected with the wrist arm connector (4) positioned at the right end of the positioning tube (3) through the auxiliary hoop I (42).
3. An integral insulating wrist-arm device according to claim 1, wherein: the right end of the flat cantilever (1) is fixedly sleeved with a wrist connector (4) through a first main anchor ear (41), and the wrist connector (4) is positioned on the right side of the carrier cable connector (6); the right end of the positioning pipe (3) is fixedly sleeved with a wrist arm connector (4) through a main hoop I (41); the upper end of the positioning tube support (10) is fixedly connected with a wrist arm connector (4) positioned at the right end of the flat wrist arm (1) through an auxiliary hoop I (42), and the lower end of the positioning tube support is fixedly connected with the wrist arm connector (4) positioned at the right end of the positioning tube (3) through the auxiliary hoop I (42).
4. An integral insulating wrist-arm unit according to claim 1, 2 or 3, wherein: external threads (7) are arranged on the peripheries of the flat cantilever (1), the inclined cantilever (2), the positioning tube (3), the cantilever support (9) and the positioning tube support (10); the inner walls of the first main hoop (41), the first auxiliary hoop (42), the second main hoop (51), the second auxiliary hoop (52), the horizontal hoop (53), the third main hoop (61) and the third auxiliary hoop (62) are all provided with internal threads (8).
5. An integral insulating wrist-arm device according to claim 4, wherein: the wrist arm connector (4) comprises a left half hoop body I (43) and a right half hoop body I (44) which are oppositely arranged, and the opposite surfaces of the left half hoop body I (43) and the right half hoop body I (44) are sequentially provided with an arc-shaped hook head I (45), a transverse semicircular groove I (46) and a vertical or oblique semicircular groove I (47) from top to bottom; the inner surfaces of the transverse semicircular groove I (46) and the vertical or oblique semicircular groove I (47) are respectively provided with the internal thread (8) arranged along the circumferential direction of the transverse semicircular groove I;
the left half hoop body (43) and the right half hoop body (44) are buckled together, the upper end is connected through an arc-shaped hook head (45), the lower end is fixedly connected through a peripheral sleeving locking sleeve (11), a main hoop (41) is formed through two transverse semicircular grooves (46), and an auxiliary hoop (42) is formed through two vertical or oblique semicircular grooves (47).
6. An integral insulating wrist-arm device according to claim 4, wherein: the positioning pipe connector (5) comprises two half hoop bodies (54) which are oppositely arranged and have the same structure, and opposite surfaces of the two half hoop bodies (54) are sequentially provided with a first inclined semicircular groove (55), a second inclined semicircular groove (56) and a first horizontal semicircular groove (57) from top to bottom; the inner surfaces of the first inclined semicircular groove (55), the second inclined semicircular groove (56) and the first horizontal semicircular groove (57) are respectively provided with the internal threads (8) arranged along the circumferential direction of the inner surfaces;
after the two half hoop bodies (54) are buckled together, the end parts of the two inclined semicircular grooves I (55) and the end parts of the two horizontal semicircular grooves I (57) are fixedly connected through the peripheral sleeving locking sleeve (11) respectively, a main hoop II (51) is formed through the two inclined semicircular grooves II (56), an auxiliary hoop II (52) is formed through the two inclined semicircular grooves I (55), and a horizontal hoop (53) is formed through the two horizontal semicircular grooves I (57).
7. An integrated insulating wrist-arm unit according to claim 4, wherein: the carrier cable base connector (6) comprises a left half hoop body II (63) and a right half hoop body II (64) which are oppositely arranged, and the opposite surfaces of the left half hoop body II (63) and the right half hoop body II (64) are sequentially provided with an arc-shaped hook head II (65), a horizontal semicircular groove II (66) and an inclined semicircular groove III (67) from top to bottom; the inner surfaces of the horizontal semicircular groove II (66) and the inclined semicircular groove III (67) are respectively provided with the internal threads (8) arranged along the circumferential direction of the horizontal semicircular groove II and the inclined semicircular groove III; the top of the arc hook head II (65) at the upper end of the left half hoop body II (63) is provided with a messenger cable seat mounting platform (12);
the upper end of the left half hoop body II (63) and the right half hoop body II (64) are buckled together and connected through an arc-shaped gib head II (65), the lower end of the left half hoop body II is fixedly connected through a peripheral sleeving locking sleeve (11), a main hoop III (61) is formed through two horizontal semicircular grooves II (66), and an auxiliary hoop III (62) is formed through two inclined semicircular grooves III (67).
8. An integral insulating wrist-arm device according to claim 4, wherein: rib plates (13) are arranged in the inner cavities of the flat cantilever (1), the inclined cantilever (2), the positioning tube (3), the cantilever support (9) and the positioning tube support (10).
CN202211054565.9A 2022-08-31 2022-08-31 Integral insulation cantilever device Pending CN115489399A (en)

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Application Number Priority Date Filing Date Title
CN202211054565.9A CN115489399A (en) 2022-08-31 2022-08-31 Integral insulation cantilever device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114954142A (en) * 2022-07-11 2022-08-30 宝鸡保德利电气设备有限责任公司 Integral type cantilever supporting and positioning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114954142A (en) * 2022-07-11 2022-08-30 宝鸡保德利电气设备有限责任公司 Integral type cantilever supporting and positioning device

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