CN111711117A - Special equipment is strideed across to reliability - Google Patents
Special equipment is strideed across to reliability Download PDFInfo
- Publication number
- CN111711117A CN111711117A CN202010513268.0A CN202010513268A CN111711117A CN 111711117 A CN111711117 A CN 111711117A CN 202010513268 A CN202010513268 A CN 202010513268A CN 111711117 A CN111711117 A CN 111711117A
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- Prior art keywords
- telescopic
- insulating
- guide rail
- rope
- arms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention discloses special equipment for reliable crossing, wherein a telescopic arm consists of a plurality of telescopic joints and an electric hoisting device, the cross sections of the telescopic joints are sequentially reduced, the telescopic joints are sequentially sleeved with the telescopic joints, a guide rail is arranged at the lower end of each telescopic joint, the guide rail of the telescopic joint at the outer side is sleeved outside the guide rail of the telescopic joint at the inner side, an insulating trolley is arranged on the guide rail, an insulating net bag is arranged between the telescopic arms at the two sides, the two sides of the insulating net bag are in sliding connection with the telescopic arms, and the front ends of the insulating. When tension is paid off, the aerial working personnel can cross the two main ropes to the opposite side by the butted insulating telescopic arms through the insulating remote control trolley, and the insulating telescopic arms reset. After the main rope is used as a bearing rope for net sealing, the final crossing system is formed, the ground wire is spread and placed for construction, the telescopic arm is made of insulating materials and has a telescopic function, the telescopic arm is used for crossing the rope net and does not bear the force related to the net sealing system, the weight of the telescopic arm is reduced, and the cost is low.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to a special device for reliability spanning.
Background
At present, when the extra-high voltage transmission line engineering is in a crossing construction process, the traditional crossing frame is still built by using materials such as moso bamboos and steel pipes, and a lattice type crossing frame is generally adopted in important crossing places with convenient traffic and good terrain conditions.
With the construction of large-scale extra-high voltage alternating current and direct current transmission projects of national grid companies, a newly-built line inevitably needs to span a plurality of important facilities such as high-speed railways, expressways, important navigation channels and high-voltage-level live lines in a channel. The importance of safe and stable operation of the facilities is self-evident, the difficulty is extremely high during construction crossing, and important economic loss and social influence are caused when the work of the facilities is interrupted or damaged once an accident happens during normal crossing construction. Because the iron tower of the ultra-high voltage transmission line is high, the span length is large, the wire is heavy, when the wire is broken, the impact force borne by the spanning frame is greatly increased compared with the past, and the traditional spanning frame cannot achieve the safety protection target.
The existing lattice type crossing frame can deform and bend downwards under the action of gravity due to the fact that the telescopic arm is too long, and the weight of the telescopic arm is too high and the cost is high in order to guarantee strength.
Disclosure of Invention
The invention aims to solve the problems and provides a special device for reliably crossing, wherein the telescopic arm plays a transition role and reduces the weight of the telescopic arm.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a special device for reliable crossing comprises frame bodies, wherein the frame bodies are symmetrically distributed on two sides of a crossing object and comprise stand columns, telescopic arms and balance arms, each frame body comprises two stand columns, a cross beam and an inner pull wire are arranged between the two stand columns, a rotary support is arranged at the upper end of each stand column, the telescopic arms and the balance arms are respectively and symmetrically distributed at two ends of the rotary support, a mast is arranged at the upper end of the rotary support, the upper end of the mast is connected with the telescopic arms and the balance arms through pull wires, a balance weight is arranged at one end outside the balance arms, each telescopic arm comprises a plurality of telescopic joints and an electric hoisting device, the cross sections of the telescopic joints are sequentially reduced and sequentially sleeved, a guide rail is arranged at the lower end of each telescopic joint, the guide rail of each telescopic joint on the outer side is sleeved outside the guide rail of the telescopic joint on the inner side, an insulating, the front end of the insulating net bag is connected with the insulating trolley.
Furthermore, rollers are arranged on two sides of the insulating net bag and matched with the guide rails.
Furthermore, the front end of the insulating net bag is provided with a traction rope and a guide rope, the rear end of the traction rope is connected with the insulating net bag, the front end of the traction rope is connected with the guide rope, and the front end of the guide rope is connected with the insulating trolley.
Furthermore, a pull rod is arranged on the mast, a first pull rod head is arranged at the upper end of the pull rod, a second connector is arranged at the lower end of the pull rod, the first pull rod head is connected with the mast, and the second connector is connected with the insulating net bag.
Furthermore, the end part of the telescopic joint at the innermost layer on the left side is provided with a conical head, the end part of the telescopic joint at the innermost layer on the right side is provided with a positioning hole, and the conical head is matched with the positioning hole.
Furthermore, steel wire ropes are arranged around the stand column, the upper end of each steel wire rope is connected with the stand column, and the lower end of each steel wire rope is locked and fixed on the ground.
Furthermore, the lower end of the upright post is provided with a hydraulic lifting frame.
The invention has the beneficial effects that:
1. the telescopic boom is composed of a plurality of telescopic joints and an electric winding device, the cross sections of the telescopic joints are sequentially reduced, the telescopic joints are sequentially sleeved with the electric winding device, a guide rail is arranged at the lower end of each telescopic joint, the guide rail of the telescopic joint at the outer side is sleeved outside the guide rail of the telescopic joint at the inner side, an insulating trolley is arranged on the guide rail, an insulating net bag is arranged between the telescopic booms at the two sides, the two sides of the insulating net bag are connected with the telescopic booms in a sliding mode, and the. When tension is paid off, a person working aloft can transit the two main ropes to the opposite surface by the aid of the butted insulating telescopic arms through the insulating remote control trolley, and the insulating telescopic arms reset. After the main rope is used as a bearing rope for net sealing, the final crossing system is formed, the ground wire is spread and placed for construction, the telescopic arm is made of insulating materials and has a telescopic function, the telescopic arm is used for crossing the rope net and does not bear the force related to the net sealing system, the weight of the telescopic arm is reduced, and the cost is low.
2. According to the invention, the mast is provided with the pull rod, the upper end of the pull rod is provided with the first pull rod head, the lower end of the pull rod is provided with the second connector, the first pull rod head is connected with the mast, the second connector is connected with the insulating net bag, and after the insulating trolley moves forwards to completely open the net bag, the second connector is manually connected with the end part of the insulating net bag, so that the end part of the net bag is fixed, the net bag is prevented from retracting during use, and the reliability is good.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a cross-sectional view of the telescoping arm of the present invention;
fig. 6 is a cross-sectional view of a tie rod of the present invention.
In the figure: the device comprises a stand column 1, a telescopic arm 2, a balance arm 3, a cross beam 4, an inner stay wire 5, a rotary support 6, a mast 7, a stay wire 8, a balance weight 9, a telescopic joint 10, a guide rail 11, an insulating trolley 12, an insulating net bag 13, a roller 14, a traction rope 15, a guide rope 16, a pull rod 17, a first pull rod head 18, a second connector 19, a steel wire rope 20, a conical head 21 and a hydraulic lifting frame 22.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the present invention.
For convenience of description, a coordinate system is now defined as shown in fig. 1.
As shown in fig. 1 and 3 to 5, a special device for reliably crossing over comprises a frame body, wherein the frame body is symmetrically distributed on two sides of a crossing object, the frame body comprises two upright posts 1, a telescopic arm 2 and a balance arm 3, each frame body comprises two upright posts 1, a cross beam 4 and an inner stay wire 5 are arranged between the two upright posts 1, a rotary support 6 is arranged at the upper end of each upright post 1, the telescopic arm 2 and the balance arm 3 are symmetrically distributed at two ends of the rotary support 6 respectively, a mast 7 is arranged at the upper end of the rotary support 6, the upper end of the mast 7 is connected with the telescopic arm 2 and the balance arm 3 through stay wires 8, a counterweight 9 is arranged at one end of the outer side of the balance arm 3, the telescopic arm 2 is composed of a plurality of telescopic joints 10 and an electric hoisting device, the sections of the telescopic joints are sequentially reduced and sequentially sleeved, each telescopic joint is of a rectangular frame structure, the larger section is closer to the rotary support, and the telescopic arms are serially connected with double The steel wire rope system on the supporting roller that spacing leading wheel and expansion joint rear end set up realizes the synchronous stretch out or withdrawal of four movable expansion joints, expansion joint 10 lower extreme is equipped with guide rail 11, the guide rail 11 cover of outside expansion joint 10 is in the guide rail 11 outside of inboard expansion joint 10, the guide rail adopts telescopic structure, the guide rail of inner telescopic joint and the guide rail of outer expansion joint can not produce the interference, be equipped with insulating dolly 12 on the guide rail 11, be equipped with insulating string bag 13 between the flexible arm 2 of both sides, sliding connection between insulating string bag 13 both sides and the flexible arm 2, insulating string bag 13 front end is connected with insulating dolly 12. When tension is paid off, the aerial working personnel can cross the connected insulated telescopic arms by using the insulated remote control trolley to cross the two main ropes, and the insulated telescopic arms reset. After the main rope is used as a bearing rope for net sealing, the final crossing system is formed, the ground wire is spread and placed for construction, the telescopic arm is made of insulating materials and has a telescopic function, the telescopic arm is used for crossing the rope net and does not bear the force related to the net sealing system, the weight of the telescopic arm is reduced, and the cost is low.
As shown in fig. 1 and 2, rollers 14 are disposed on both sides of the insulating net bag 13, and the rollers 14 are engaged with the guide rail 11.
As shown in fig. 1 and 4, a hauling rope 15 and a guiding rope 16 are arranged at the front end of the insulating net bag 13, the rear end of the hauling rope 15 is connected with the insulating net bag 13, the front end of the hauling rope 15 is connected with the guiding rope 16, and the front end of the guiding rope 16 is connected with the insulating trolley 12. The insulating trolley 12 moves along the rail and drives the guide rope 16 to move forwards, and then the guide rope 16 and the traction rope 15 are pulled in sequence manually to pull the net bag forwards, so that the net bag is opened.
As shown in fig. 3 and 6, a pull rod 17 is arranged on the mast 7, a first pull rod head 18 is arranged at the upper end of the pull rod 17, a second connector 19 is arranged at the lower end of the pull rod 17, the first pull rod head 18 is connected with the mast 7, the second connector 19 is connected with the insulating net bag 13, and after the insulating trolley 12 moves forwards to completely open the net bag, the second connector 19 is manually connected with the end of the insulating net bag 13, so that the end of the net bag is fixed, the net bag is prevented from retracting when in use, and the reliability is good.
As shown in fig. 1 and 2, a tapered head 21 is arranged at the end of the telescopic joint 10 at the innermost layer at the left side, a positioning hole is arranged at the end of the telescopic joint 10 at the innermost layer at the right side, and the tapered head 21 is matched with the positioning hole.
As shown in fig. 1, 3 and 4, a steel wire rope 20 is arranged around the upright post 1, the upper end of the steel wire rope 20 is connected with the upright post 1, and the lower end of the steel wire rope 20 is locked on the ground, so that the stability of the upright post is ensured.
As shown in fig. 1 and 3, a hydraulic lifting frame 22 is arranged at the lower end of the upright post 1, so that the upright post is convenient to lift and is convenient to install in environments such as mountainous areas.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (7)
1. The special equipment for reliable crossing comprises frame bodies, wherein the frame bodies are symmetrically distributed on two sides of a crossing object and comprise stand columns (1), telescopic arms (2) and balance arms (3), each frame body comprises two stand columns (1), a cross beam (4) and an inner pull wire (5) are arranged between the two stand columns (1), a rotary support (6) is arranged at the upper end of each stand column (1), the telescopic arms (2) and the balance arms (3) are symmetrically distributed at two ends of the rotary support (6) respectively, masts (7) are arranged at the upper ends of the rotary supports (6), the upper ends of the masts (7) are connected with the telescopic arms (2) and the balance arms (3) through pull wires (8), and one end of the outer side of each balance arm (3) is provided with a balance weight (9), and is characterized in that each telescopic arm (2) consists of a plurality of telescopic sections which are sequentially reduced and are sequentially sleeved with a telescopic joint (10), the telescopic joint is characterized in that a guide rail (11) is arranged at the lower end of the telescopic joint (10), the guide rail (11) of the telescopic joint (10) at the outer side is sleeved on the outer side of the guide rail (11) of the telescopic joint (10) at the inner side, an insulating trolley (12) is arranged on the guide rail (11), an insulating net bag (13) is arranged between the telescopic arms (2) at the two sides, the two sides of the insulating net bag (13) are connected with the telescopic arms (2) in a sliding mode, and the front end of the insulating net bag (13) is connected with the.
2. A device dedicated for reliability spanning according to claim 1, wherein the insulating net bag (13) is provided with rollers (14) at both sides, and the rollers (14) are engaged with the guide rail (11).
3. The special equipment for the reliable spanning as the claim 1, wherein the front end of the insulating net bag (13) is provided with a traction rope (15) and a guide rope (16), the rear end of the traction rope (15) is connected with the insulating net bag (13), the front end of the traction rope (15) is connected with the guide rope (16), and the front end of the guide rope (16) is connected with the insulating trolley (12).
4. The special equipment for the reliability crossing as claimed in claim 1, wherein the mast (7) is provided with a pull rod (17), the upper end of the pull rod (17) is provided with a first pull rod head (18), the lower end of the pull rod (17) is provided with a second connector (19), the first pull rod head (18) is connected with the mast (7), and the second connector (19) is connected with the insulating net bag (13).
5. A device special for reliability crossing according to claim 1, characterized in that the end of the telescopic joint (10) at the innermost layer at the left side is provided with a conical head (21), the end of the telescopic joint (10) at the innermost layer at the right side is provided with a positioning hole, and the conical head (21) is matched with the positioning hole.
6. The special equipment for reliable spanning as claimed in claim 1, wherein the periphery of the upright post (1) is provided with a steel wire rope (20), the upper end of the steel wire rope (20) is connected with the upright post (1), and the lower end of the steel wire rope (20) is locked on the ground.
7. A device dedicated to reliability spanning according to claim 1, wherein the lower end of said upright (1) is provided with a hydraulic lifting frame (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513268.0A CN111711117A (en) | 2020-06-08 | 2020-06-08 | Special equipment is strideed across to reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513268.0A CN111711117A (en) | 2020-06-08 | 2020-06-08 | Special equipment is strideed across to reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111711117A true CN111711117A (en) | 2020-09-25 |
Family
ID=72539155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010513268.0A Pending CN111711117A (en) | 2020-06-08 | 2020-06-08 | Special equipment is strideed across to reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111711117A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078581A (en) * | 2021-03-30 | 2021-07-06 | 贵州电网有限责任公司 | Special telescopic crossing distribution network line equipment |
| CN114147636A (en) * | 2021-09-28 | 2022-03-08 | 国网山东省电力公司潍坊供电公司 | Special material fixing clamp for tower operation |
| CN114465155A (en) * | 2022-01-23 | 2022-05-10 | 国网新疆电力有限公司吐鲁番供电公司 | Assembled universal crossing frame |
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| CN105529648A (en) * | 2016-01-18 | 2016-04-27 | 国家电网公司 | Hydraulic fabricated crossing structure |
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| CN107394678A (en) * | 2017-06-27 | 2017-11-24 | 国家电网公司 | A kind of telescopic arm block crossing frame |
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| US10479655B2 (en) * | 2016-06-30 | 2019-11-19 | Manitowoc Crane Group France | Installation and support method including a tower crane for supporting a high-voltage line electric cable |
| CN209748062U (en) * | 2019-05-27 | 2019-12-06 | 广东电网有限责任公司 | Net sealing crossing structure with two butted sides |
| US20200014180A1 (en) * | 2018-07-09 | 2020-01-09 | Hien Electric Industries, Ltd. | Cable installation method and coupling unit |
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2020
- 2020-06-08 CN CN202010513268.0A patent/CN111711117A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983479Y (en) * | 2006-07-06 | 2007-11-28 | 薛辉 | Trolley and auxiliary device traveling on power transmission line |
| CN105529648A (en) * | 2016-01-18 | 2016-04-27 | 国家电网公司 | Hydraulic fabricated crossing structure |
| US10479655B2 (en) * | 2016-06-30 | 2019-11-19 | Manitowoc Crane Group France | Installation and support method including a tower crane for supporting a high-voltage line electric cable |
| CN206471750U (en) * | 2016-07-28 | 2017-09-05 | 郑州东辰科技有限公司 | A kind of across obstacle Poling Construction protection structure |
| CN107394678A (en) * | 2017-06-27 | 2017-11-24 | 国家电网公司 | A kind of telescopic arm block crossing frame |
| CN207098456U (en) * | 2017-06-30 | 2018-03-13 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of crossover tower auxiliary cross-arm block component for being used to live across operation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078581A (en) * | 2021-03-30 | 2021-07-06 | 贵州电网有限责任公司 | Special telescopic crossing distribution network line equipment |
| CN114147636A (en) * | 2021-09-28 | 2022-03-08 | 国网山东省电力公司潍坊供电公司 | Special material fixing clamp for tower operation |
| CN114465155A (en) * | 2022-01-23 | 2022-05-10 | 国网新疆电力有限公司吐鲁番供电公司 | Assembled universal crossing frame |
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Application publication date: 20200925 |