CN111029966A - Live crossing device - Google Patents
Live crossing device Download PDFInfo
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- CN111029966A CN111029966A CN201911293495.0A CN201911293495A CN111029966A CN 111029966 A CN111029966 A CN 111029966A CN 201911293495 A CN201911293495 A CN 201911293495A CN 111029966 A CN111029966 A CN 111029966A
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- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 238000010276 construction Methods 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000012211 strain insulator Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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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
Abstract
The invention provides a live crossover apparatus, comprising: the bottom of the fixing mechanism is provided with a rotating shaft; and one end of the crossing frame is rotatably connected to the rotating shaft, and the other end of the crossing frame is provided with a manned mechanism which is used for driving the manned mechanism to rotate around the axis of the rotating shaft, so that the manned mechanism crosses from the side of the fixing mechanism to the construction position on one side of the fixing mechanism or from the construction position to the side of the fixing mechanism from the upper part of an electrified area. The crossing frame is rotatably connected to the rotating shaft so as to drive the manned mechanism on the crossing frame to rotate around the axis of the rotating shaft, so that the manned mechanism directly spans from the side of the fixing mechanism to the construction position on one side of the fixing mechanism from the upper part of the electrified area or directly spans from the construction position to the side of the fixing mechanism, and the danger of falling off when the grounded hardware enters is avoided.
Description
Technical Field
The invention relates to the technical field of live-wire work tools, in particular to a live-wire spanning device.
Background
The ultra-high voltage power grid is in a core position in the whole power grid of China, and once the ultra-high voltage power grid is put into operation, the power is hard to be cut off for maintenance. Therefore, live working is used as an important technical means for operation and maintenance of the extra-high voltage power grid, and has important significance for ensuring safe, stable and reliable operation of the extra-high voltage power grid.
The ultra-high voltage transmission project has the characteristics of high voltage level, large pole tower structure size, large wire section, load carrying capacity and the like, the strain insulator string adopts a large-tonnage insulator, and a single insulator exceeds 30 kilograms, so that a grounding end of 1.5-2 m is required for connecting the strain insulator string to a cross arm to connect a hardware fitting, and compared with the low voltage level, the length of the hardware fitting is greatly increased.
Live working personnel get into strain insulator-string operation position and need stride across longer earthing terminal gold utensil, because the gold utensil diameter is little, when adopting the tradition to follow the method that the cluster got into, the operating personnel impetus is little, takes place the danger that drops easily, and extra-high voltage strain insulator tower earthing terminal gold utensil length increase moreover, the operation degree of difficulty is greatly increased also.
Disclosure of Invention
In view of this, the invention provides a live crossover device, and aims to solve the problem that the existing grounding end hardware is difficult to climb and easy to fall due to long length and small diameter.
The invention provides a live crossover device, which comprises: the bottom of the fixing mechanism is provided with a rotating shaft; and one end of the crossing frame is rotatably connected to the rotating shaft, and the other end of the crossing frame is provided with a manned mechanism which is used for driving the manned mechanism to rotate around the axis of the rotating shaft, so that the manned mechanism crosses from the side of the fixing mechanism to the construction position on one side of the fixing mechanism or from the construction position to the side of the fixing mechanism from the upper part of an electrified area.
Further, in the above charged crossing device, a traction mechanism is connected to the crossing frame or the people carrying mechanism, and is used for applying traction force to the crossing frame or the people carrying mechanism, so that the crossing frame and the people carrying mechanism rotate around the rotating shaft.
Further, in the above live crossover apparatus, the traction mechanism includes: a traction rope and two pulleys; one of the pulleys is arranged on the fixing mechanism and positioned above the rotating shaft, and the other pulley is arranged on the spanning frame or the manned mechanism; the first end of the traction rope is connected to the wheel shaft of one of the pulleys, and the traction rope is wound around each pulley and used for changing the distance between the two pulleys through the retraction of the traction rope so as to drive the crossing frame and the manned mechanism to rotate.
Further, the second end of the traction rope of the electrified spanning device is connected with a winch for winding and unwinding the traction rope.
Furthermore, an inclination angle sensor is arranged on the crossing frame of the electrified crossing device and used for detecting a horizontal angle between the crossing frame and a horizontal plane; the inclination angle sensor is connected with a controller, and the controller is used for receiving the horizontal angle of the crossing frame detected by the inclination angle sensor and controlling the traction mechanism according to the horizontal angle of the crossing frame so as to control the rotation of the crossing frame and the manned mechanism.
Further, in the above electrified spanning device, the spanning frame is further provided with an angular velocity sensor for detecting the angular velocity of the rotation of the spanning frame; the controller is also used for receiving the angular speed of the spanning frame detected by the angular speed sensor and controlling the traction mechanism according to the angular speed of the spanning frame so as to control the angular speed of the rotation of the spanning frame and the man carrying mechanism.
Further, the above live crossover device, the crossover frame comprises: a plurality of spanning rods; the crossing rods are positioned in the same plane, and one ends of the crossing rods are converged and intersected at one point to be connected to the same position of the manned mechanism.
Further, in the above charged crossover device, the number of the crossover bars is two, and an isosceles triangle is enclosed between the two crossover bars and the rotating shaft.
Further, in the above live crossing device, the crossing rod is a telescopic rod to adjust the distance between the rotating shaft and the man carrying mechanism.
Further, above-mentioned electrified spanning device, the cover is equipped with solid fixed ring in the axis of rotation, and, gu be equipped with the hinge on the fixed ring, its first hinge piece is connected gu on the fixed ring, the second hinge piece is connected on the crossing structure, in order to realize the crossing structure with rotation between the axis of rotation is connected.
The live crossover device provided by the invention is rotatably connected on the rotating shaft through the crossover frame so as to drive the manned mechanism on the crossover frame to rotate around the axis of the rotating shaft, so that the manned mechanism can span from the side of the fixing mechanism to the construction position at one side of the fixing mechanism or from the construction position to the side of the fixing mechanism from the upper part of a live area, particularly, when an extra-high voltage direct current tower is in live operation, the crossover frame rotates anticlockwise so as to enable the manned mechanism to span from the side of the tower cross arm to the tension insulator at the construction position from the upper part of the grounding end hardware fitting to carry out the construction operation of the tension string, namely, live constructors directly shift from the cross arm to the tension insulator, realize the crossover of the grounding end hardware fitting, avoid the danger of falling when climbing the hardware fitting according to the traditional mode, and reduce the operation difficulty, the safety is improved, and meanwhile, the physical consumption of constructors is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a diagram illustrating a state of use of a live crossover apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a live crossover apparatus according to an embodiment of the present invention;
FIG. 3 is a block diagram of a live crossover apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a spanning rod according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, preferred structures of the live crossover device provided by the embodiment of the present invention are shown. As shown, the live crossover apparatus comprises: the device comprises a fixing mechanism 1, a crossing frame 2, a man carrying mechanism 3, a traction mechanism 4, an inclination angle detector 8 and a controller 9; wherein the content of the first and second substances,
the bottom of the fixing mechanism 1 is provided with a rotating shaft 11. During specific implementation, the fixing mechanism 1 may be a tower cross arm of an extra-high voltage direct-current transmission project construction site, may also be other fixed support structures, and certainly may also be a fixed support structure of other construction sites, which is not limited in this embodiment. The tower cross arm is a location, and the rotating shaft 11 is fixed on the tower cross arm, so that a metal shaft is preferred. The rotating shaft 11 may be welded to the bottom of the fixing mechanism 1, or may be connected by other fixing connection methods such as bolts, and is not limited in this embodiment.
One end (the left end shown in fig. 1) of the spanning frame 2 is rotatably connected to the rotating shaft 11, and the other end (the right end shown in fig. 1) is provided with the manned mechanism 3 for driving the manned mechanism 3 to rotate around the axis of the rotating shaft 11, so that the manned mechanism 3 spans from the side of the fixing mechanism 1 to the construction position on one side (the right side shown in fig. 1) of the fixing mechanism 1 from the upper part of the electrified area or spans from the construction position to the side of the fixing mechanism 1, for example, when the tension string of an extra-high voltage direct current tower is electrified, the spanning frame 2 rotates anticlockwise, so that the manned mechanism 3 spans from the side of the tower cross arm to the tension string 6 from the upper part of the grounding end 5 to perform the construction operation of the tension string. In practice, the angle of rotation of the spanning frame 2 is about 90 °, i.e. from a vertical position perpendicular to the wires to a horizontal position parallel to the wires, i.e. the spanning frame 2 is rotated between the vertical and horizontal positions. The man carrying mechanism 3 may be a seat or other structures for the constructor 30 to stand or lean against, which is not limited in this embodiment. In this embodiment, a seat is taken as an example, and preferably, the back of the seat may be welded to the right end of the spanning frame 2, or may be fixed by other methods. Of course, in order to improve the comfort of the constructor 30 on the people carrying mechanism 3 during the rotation process, it is preferable that the people carrying mechanism 3 is rotatably connected with the right end of the spanning frame 2, or the people carrying mechanism 3 can automatically adjust the position according to the rotation angle of the spanning frame 2, so that the position of the constructor 30 can be always adjusted to be horizontal in the rotation process, for example, the seat back and the right end of the spanning frame 2 are adjusted according to the inclination angle of the spanning frame 2, so that when the rotation angle of the spanning frame 2 is 0-90 degrees, the seat is always parallel to the ground, and the comfort of the constructor 30 is ensured. In addition, safety fixing measures such as a safety belt should be arranged on the seat to prevent the constructor 30 from leaving the seat in the rotating process of the supporting rod. In order to ensure the safety of the people mover 3, such as the constructor 30 on the seat, it is preferable that the people mover 3 is provided with a safety mechanism, such as a safety belt, an armrest, or the like, for preventing the constructor 30 from getting out of the seat or other people mover during the rotation of the spanning frame 2, so as to ensure the safety of the constructor 30. The arrow direction in fig. 1 is the direction of rotation of the spanning frame 2.
To achieve automatic control of the rotation of the spanning frame 2, the tilt angle detector 8 is used to detect the horizontal angle between the spanning frame 2 and the horizontal plane. In practical implementation, the tilt angle detector 8 may be disposed on a plane formed by the spanning frame 2 and the rotating shaft 11, and rotate with the spanning frame 2 to monitor the horizontal angle of the spanning frame 2 in real time. Wherein the tilt detector 8 may be a gyroscope to read the direction indicated by the axis of the gyroscope and automatically pass the data signal to the controller 9.
The controller 9 is connected to the tilt angle detector 8, and is configured to receive the horizontal angle detected by the tilt angle sensor 8 and control the traction mechanism 4 according to the horizontal angle of the spanning frame 2, so as to control the rotation of the spanning frame 2 and the people carrying mechanism 3 around the rotation axis 11. In specific implementation, the controller 9 is connected to the tilt angle detector 8, and is configured to receive a horizontal angle detected by the tilt angle detector 8, that is, a direction indicated by an axis of the gyroscope, and control the traction mechanism 4 to perform rotation control of the spanning frame 2 according to the direction, until the spanning frame 2 rotates to a preset position, that is, when the spanning frame 2 spans from the side where the fixing mechanism 1 is located to the construction site, when the horizontal angle detected by the tilt angle detector 8 is 0 °, the traction mechanism 4 is controlled to terminate the traction force for rotating the spanning frame 2, so that the manned mechanism 3 stops moving, when the construction site spans from the side where the fixing mechanism 1 is located, when the horizontal angle detected by the tilt angle detector 8 is 90 °, the traction mechanism 4 is controlled to terminate the traction force for rotating the spanning frame 2, so that the manned mechanism 3 stops moving.
Further preferably, an angular velocity detector 10 may be further provided on the spanning frame 2 for detecting angular movement of the spanning frame 2; controller 9 is also used for receiving angular velocity detector 10 to detect the angular movement of spanning frame 2 and controlling traction mechanism 4 according to the angular movement of spanning frame 2 to control the angular velocity of the rotation of spanning frame 2 and people carrying mechanism 3 around rotation axis 11. In practice, the angular velocity detector 10 may also be a gyroscope, i.e. a gyroscope is used as both the tilt detector and the angular velocity detector, and thus measures the horizontal angle and the rotational angular velocity of the gantry 2.
In this embodiment, in order to improve the stability of the rotational connection between the spanning frame 2 and the rotating shaft 11, preferably, the spanning frame 2 is connected to the rotating shaft 11 through the rotating mechanism 7, and then the rotating mechanism 7 may be connected to the left end of the spanning frame 2 and the rotating mechanism 7 may be connected to the rotating shaft 11, or the rotating mechanism 7 may be connected to the left end of the spanning frame 2 and the rotating mechanism 7 may be connected to the rotating shaft 11. The rotating mechanism 7 may be plural, and may be disposed in one-to-one correspondence with the spanning rods 21 of the spanning frame 2, for example, to respectively realize the rotating connection between each spanning rod 21 and the rotating shaft 11.
Continuing with fig. 2, the rotation mechanism 7 comprises: a fixed ring 71 and a hinge (not shown in the figure); wherein the content of the first and second substances,
the fixed ring 71 is fitted over the rotating shaft 11. Specifically, the fixing ring 71 may be a ring structure or a U-shaped snap structure, and may be fixed on the rotating shaft 11 by welding, or may be fixed by other fixing connection methods to the fixing ring 71. Since the rotating shaft 11 is fixed on the tower cross arm and the rotating shaft is a metal shaft, both the rotating shaft 11 and the tower cross arm are at ground potential, and the fixing ring 71 is preferably a metal member, so that the three are at ground potential. In order to improve the stability of the fixing ring 71, preferably, the fixing ring 71 may be provided in plurality.
Hinges are provided on the fixed ring 71 and the spanning frame 2, i.e. a first hinge leaf is connected to the fixed ring 71 and a second hinge leaf is connected to the spanning frame 2 to achieve a rotational connection between the spanning frame 2 and the rotational shaft 11. In one embodiment, the first hinge plate may be fixed to the fixing ring 71 by welding, and the second hinge plate may be fixed to the spanning frame 2, for example, the left end (relative to the position shown in fig. 2) of the spanning rod 21 by welding.
With continued reference to fig. 1 and 2, the pulling mechanism 4 comprises: a pull rope 41 and two pulleys 42; wherein the content of the first and second substances,
one of the pulleys 42 is provided on the fixing mechanism 1 above the rotating shaft 11, and the other pulley 42 is provided on the spanning frame 2 or the man-carrying mechanism 3. In specific implementation, the two pulleys 42 may be connected to the fixing mechanism 1 or the people carrying mechanism 3 through a connecting rod 421, for example, one pulley 42 is connected to the tower cross arm and located above the rotating shaft 11 through the connecting rod 421, and the other pulley 42 is connected to the back of the seat through the connecting rod 421.
The first end of the pulling rope 41 is connected to the wheel shaft 422 of one of the pulleys 42, and the pulling rope 41 is wound around each pulley 42 for changing the distance between the two pulleys 42 by winding and unwinding the pulling rope 41 to rotate the spanning frame 2 and the people carrying mechanism 3 around the axis of the rotating shaft 11. In specific implementation, the pulling rope 41 serves as a transmission member, the two pulleys 42 function to change the direction of the driving force, the spanning frame 2 is rotated by loosening the second end of the pulling rope 41, that is, the spanning frame 2 is rotated counterclockwise (relative to the position shown in fig. 1) by loosening the pulling rope 41, and the spanning frame 2 is rotated clockwise by pulling the pulling rope 41. In fig. 1, a first end of the pulling rope 41 is fixed to the wheel shaft 422 of the pulley 42 on the seat, and passes through the pulley 42 on the fixing mechanism 1 and the pulley 42 on the seat in sequence, and the rotation of the spanning frame 2 is realized by releasing the pulling rope 41 by a person on the fixing mechanism 1. Of course, in order to facilitate the traction of the traction rope 41, preferably, the second end of the traction rope 41 may be connected to a winch (not shown in the figure) for winding and unwinding the traction rope 41 to realize the winding and unwinding of the traction rope 41 and further realize the rotation of the crossing frame 2, and then the controller 9 is connected to the winch in the traction mechanism 4 to control the rotation of the winch and the rotation speed of the winch, further control the winding and unwinding speed of the traction rope 41 and further control the rotation and rotation speed of the crossing frame 2.
With continued reference to fig. 2, the spanning frame 2 includes: a plurality of cross-over bars 21; wherein the content of the first and second substances,
the cross bars 21 are located in the same plane, and one ends of the cross bars 21 are converged at an intersection to be connected to the same position of the people mover 3 through the intersection. In specific implementation, one or more spanning rods 21 can be adopted, and the end parts of one spanning rod 21 are respectively connected to the rotating shaft 11 and the people carrying mechanism 3; the plurality of spanning rods 21 and the rotating shaft 11 are located in the same plane, the left end (relative to the position shown in fig. 2) of each spanning rod 21 is connected to the rotating mechanism 7, the right end (relative to the position shown in fig. 2) of each spanning rod 21 is converged and intersected at an intersection point, the intersection point is connected to the passenger carrying mechanism 3, for example, a seat capable of adjusting the position according to the rotating angle can be arranged at the intersection point, so that when the rotating angle of the spanning rods 21 is 0-90 degrees, the seat is always parallel to the ground, and the comfort of the operator 30 is guaranteed. In the embodiment, two spanning rods 21 are taken as an example for description, and preferably, the two spanning rods 21 and the rotating shaft 11 enclose an isosceles triangle, that is, the lengths of the two spanning rods 21 are the same, so as to improve the structural stability of the spanning frame 2. Of course, a reinforcing rib (not shown) is provided between the spanning rods 21 or between the spanning rods 21 and the rotating shaft 11 for reinforcing the strength of the spanning frame 21, wherein the reinforcing rib connected to the rotating shaft 11 is rotatably connected to the rotating shaft 11.
In this embodiment, the spanning rod 21 may be two insulating rods with the same length,
referring to fig. 4, the spanning bar 21 may be a telescopic bar to adjust the overall length of the spanning bar 21, thereby adjusting the distance between the rotating shaft 11 and the people mover 3 according to the span distance.
With continued reference to fig. 4, the telescoping pole may include: fixed suspension arm 2111 and sliding suspension arm 212; the sliding cantilever 212 is disposed on one side (right side as shown in fig. 4) of the fixed cantilever 211, and is sleeved in the fixed cantilever 211 to slide relative to the fixed cantilever 211 by adjustment. In order to increase the range and stability of the length adjustment of the telescopic rod, it can be understood by those skilled in the art that the sliding cantilever 212 may be two or more.
It is obviously understood that the telescopic rod in this embodiment adjusts the overall length of the cross rod 21 by relative sliding between the fixed boom 211 and the sliding boom 212 to perform adjustment of the distance between the rotating shaft 11 and the people mover 3.
In an embodiment of the telescopic rod in this embodiment, the sliding cantilever 212 is provided with a plurality of first clipping holes in parallel, and the fixed cantilever 211 is provided with a first clipping member (not shown) clipped in the first clipping holes; and/or, a plurality of second fastening holes are arranged in parallel on the fixed cantilever 211, and a second fastening member (not shown) fastened in the second fastening holes is arranged on the sliding cantilever 212.
Specifically, the first clamping piece can be clamped on different first clamping holes to adjust the length of the sliding cantilever arranged outside the fixed cantilever, so that the length of the telescopic rod can be adjusted; of course, the second clamping piece can be clamped on different second clamping holes to realize the length adjustment.
Obviously, it can be understood that, in this embodiment, the first engaging member is engaged with a different first engaging hole and/or the second engaging member is engaged with a different second engaging hole, so as to adjust the length of the sliding cantilever 212 outside the fixed cantilever 211, thereby adjusting the length of the telescopic rod.
In another embodiment of the telescopic rod in this embodiment, a sliding slot is disposed in the fixed cantilever 211 along the length direction thereof, and the sliding cantilever 212 may be slidably connected to the fixed cantilever 211 along the sliding slot; it will be understood by those skilled in the art that the fixed arm 211 and the sliding arm 212 may be locked by a locking member so as to prevent the fixed arm 211 and the sliding arm 212 from moving and the like when the cross bar 21 is rotated, thereby ensuring safety of the constructor 30.
In this embodiment, the two spanning rods 21, the seat and the connecting tool are made of insulating materials with high hardness, high strength, and strong compressive and tensile capabilities, so that the influence of the tool intervening in the space near the insulating string on the electric field is reduced.
The working process of the device is as follows: firstly, the operator 20 on the fixing mechanism 1 pulls the pulling rope 41 until the spanning rod 21 is perpendicular to the direction of the wire (vertical direction as shown in fig. 1), so that the seat moves to the fixing mechanism 1, and the constructor 30 on the fixing mechanism 1 climbs from the tower to the upper side of the cross arm to sit on the seat on the top of the spanning rod 21; then, the operator 20 on the fixing mechanism 1 loosens the pulling rope 41, so that the spanning rod 21 rotates counterclockwise until the spanning rod 21 is horizontally arranged, i.e. parallel to the conductor, and the operator 20 on the seat can move from the seat to the tension insulator 6, i.e. the live constructor 30 moves from the cross arm to the tension insulator 6, thereby realizing the spanning of the grounding end hardware fitting 5. Of course, the charged crossover device can also be applied to other crossover locations, and is not limited in this embodiment.
In summary, the live crossover device provided in this embodiment is rotatably connected to the rotating shaft 11 through the crossover frame 2, so as to drive the manned mechanism 3 on the crossover frame 2 to rotate around the axis of the rotating shaft 11, so that the manned mechanism 3 spans from the side of the fixing mechanism 1 to the construction site on one side of the fixing mechanism 1 from above the live area or spans from the construction site to the side of the fixing mechanism 1, especially when the extra-high voltage dc tension tower string is in live operation, the crossover frame 2 rotates counterclockwise, so that the manned mechanism 3 spans from the side of the tower cross arm to the tension insulator 6 above the grounding end fitting 5 to perform the construction operation of the tension string, that is, the live constructor 30 directly shifts from the cross arm to the tension insulator 6, thereby realizing the crossover of the grounding end fitting 5 and avoiding the risk of falling down when the grounding fitting enters, the operation difficulty is reduced, the safety is improved, and meanwhile, the physical consumption of constructors 30 is reduced. Of course, the device is not limited to the occasion of connecting the ground end hardware in series across the insulator, and can also be applied to other occasions needing to be spanned.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A live crossover device, comprising:
a fixing mechanism (1) provided with a rotating shaft (11) at the bottom;
one end of the crossing frame (2) is rotatably connected to the rotating shaft (11), the other end of the crossing frame is provided with a manned mechanism (3) and used for driving the manned mechanism (3) to rotate around the axis of the rotating shaft (11), so that the manned mechanism (3) crosses from the side of the fixing mechanism (1) to the construction position on one side of the fixing mechanism (1) from the top of an electrified area or crosses from the construction position to the side of the fixing mechanism (1).
2. The live crossover of claim 1,
and a traction mechanism (4) is connected to the spanning frame (2) or the manned mechanism (3) and is used for applying traction force to the spanning frame (2) or the manned mechanism (3) so as to enable the spanning frame (2) and the manned mechanism (3) to rotate around the axis of the rotating shaft (11).
3. Live crossover arrangement according to claim 2, characterized in that the traction mechanism (4) comprises: a traction rope (41) and two pulleys (42); wherein the content of the first and second substances,
one of the pulleys (42) is arranged on the fixing mechanism (1) and positioned above the rotating shaft (11), and the other pulley (42) is arranged on the spanning frame (2) or the manned mechanism (3);
the first end of the traction rope (41) is connected to the wheel shaft (422) of one of the pulleys (42), and the traction rope (41) is wound around each pulley (42) and used for changing the distance between the two pulleys (42) through the winding and unwinding of the traction rope (41) so as to drive the spanning frame (2) and the manned mechanism (3) to rotate.
4. The live crossover of claim 3,
and the second end of the traction rope (41) is connected with a winch and used for winding and unwinding the traction rope (41).
5. The live crossover of claim 2,
the crossing frame (2) is provided with an inclination angle sensor (8) for detecting a horizontal angle between the crossing frame (2) and a horizontal plane;
the inclination angle sensor (8) is connected with a controller (9) which is used for receiving the horizontal angle of the spanning frame (2) detected by the inclination angle sensor (8) and controlling the traction mechanism (4) according to the horizontal angle of the spanning frame (2) so as to control the rotation of the spanning frame (2) and the manned mechanism (3).
6. The live crossover of claim 5,
the crossing frame (2) is also provided with an angular velocity sensor (10) for detecting the rotating angular velocity of the crossing frame (2);
the controller (9) is also used for receiving the angular speed of the spanning frame (2) detected by the angular speed sensor (10) and controlling the traction mechanism (4) according to the angular speed of the spanning frame (2) so as to control the angular speed of the rotation of the spanning frame (2) and the manned mechanism (3).
7. Live crossover device according to any of claims 1 to 6, characterized in that the crossover frame (2) comprises: a plurality of cross-rods (21); wherein the content of the first and second substances,
the spanning rods (21) are positioned in the same plane, and one ends of the spanning rods (21) are converged and intersected at a point so as to be connected to the same position of the people carrying mechanism (3).
8. The live crossover of claim 7,
the number of the spanning rods (21) is two, and an isosceles triangle is enclosed between the two spanning rods (21) and the rotating shaft (11).
9. The live crossover of claim 7,
the spanning rod (21) is a telescopic rod and is used for adjusting the distance between the rotating shaft (11) and the manned mechanism (3).
10. The live crossover device of any one of claims 1 to 6,
the cover is equipped with solid fixed ring (71) on axis of rotation (11), and, be equipped with the hinge on solid fixed ring (71), its first hinge piece is connected gu on fixed ring (71), the second hinge piece is connected on crossing structure (2), in order to realize crossing structure (2) with rotation between axis of rotation (11) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293495.0A CN111029966A (en) | 2019-12-16 | 2019-12-16 | Live crossing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293495.0A CN111029966A (en) | 2019-12-16 | 2019-12-16 | Live crossing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111029966A true CN111029966A (en) | 2020-04-17 |
Family
ID=70210923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911293495.0A Pending CN111029966A (en) | 2019-12-16 | 2019-12-16 | Live crossing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111029966A (en) |
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2019
- 2019-12-16 CN CN201911293495.0A patent/CN111029966A/en active Pending
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