A live crossing device

Abstract

The present invention provides a live crossing device, which includes: a fixing mechanism, a rotating shaft is provided at the bottom of the fixing mechanism; a crossing frame, one end of which is rotatably connected to the rotating shaft, and the other end of which is provided with a man-carrying mechanism, which is used to drive the man-carrying mechanism to rotate around the axis of the rotating shaft, so that the man-carrying mechanism crosses from the side where the fixing mechanism is located above the live area to the construction site located on one side of the fixing mechanism, or from the construction site to the side where the fixing mechanism is located. The present invention uses a crossing frame that is rotatably connected to the rotating shaft, so as to drive the man-carrying mechanism on the crossing frame to rotate around the axis of the rotating shaft, so that the man-carrying mechanism directly crosses from the side where the fixing mechanism is located above the live area to the construction site located on one side of the fixing mechanism, or directly crosses from the construction site to the side where the fixing mechanism is located, thereby avoiding the danger of falling when entering along the grounding hardware.

Description

Technical Field

[0001] The present invention relates to the technical field of tools for live working, and in particular to a live crossing device. Background Art

[0002] The UHV power grid is at the core of my country's power grid. Once it is put into operation, it is difficult to shut down for maintenance. Therefore, live working, as an important technical means for the operation and maintenance of the UHV power grid, is of great significance to ensure the safe, stable and reliable operation of the UHV power grid.

[0003] UHV power transmission projects are characterized by high voltage level, large pole tower structure size, large conductor cross-section and heavy load. The tension insulator string adopts large-tonnage insulators, and a single insulator weighs more than 30 kilograms. Therefore, when connecting the tension string to the crossarm, a 1.5~2m grounding terminal connection fitting is required. Compared with the lower voltage level, the length of the fitting is greatly increased.

[0004] Live workers need to cross a long grounding hardware fitting when entering the tension string working position. Due to the small diameter of the hardware fitting, when using the traditional method of entering along the string, the workers' foothold is small and there is a risk of falling. In addition, as the length of the hardware fitting at the grounding end of the UHV tension tower increases, the difficulty of operation is also greatly increased. Summary of the invention

[0005] In view of this, the present invention proposes a live crossing device, aiming to solve the problem that the existing grounding terminal hardware is long in length and small in diameter, which makes it difficult to climb and easy to fall.

[0006] The present invention proposes a live crossing device, which includes: a fixing mechanism, a rotating shaft is provided at the bottom of the fixing mechanism; a crossing frame, one end of which is rotatably connected to the rotating shaft, and the other end of which is provided with a man-carrying mechanism, which is used to drive the man-carrying mechanism to rotate around the axis of the rotating shaft, so that the man-carrying mechanism can cross from the side where the fixing mechanism is located above the live area to a construction site located on one side of the fixing mechanism, or from the construction site to the side where the fixing mechanism is located.

[0007] Furthermore, in the above-mentioned electrified crossing device, a traction mechanism is connected to the crossing frame or the manned mechanism, which is used to apply traction force to the crossing frame or the manned mechanism to make the crossing frame and the manned mechanism rotate around the rotation axis.

[0008] Furthermore, in the above-mentioned electrified crossing device, the traction mechanism includes: a traction rope and two pulleys; wherein, one of the pulleys is arranged on the fixing mechanism and is located above the rotating shaft, and the other pulley is arranged on the crossing frame or the manned mechanism; the first end of the traction rope is connected to the axle of one of the pulleys, and the traction rope passes around each of the pulleys, and is used to change the distance between the two pulleys by retracting and releasing the traction rope, so as to drive the crossing frame and the manned mechanism to rotate.

[0009] Furthermore, in the above-mentioned live crossing device, the second end of the traction rope is connected to a winch for retracting and releasing the traction rope.

[0010] Furthermore, the above-mentioned live crossing device is provided with an inclination sensor on the crossing frame, which is used to detect the horizontal angle between the crossing frame and the horizontal plane; the inclination sensor is connected to a controller, which is used to receive the horizontal angle of the crossing frame detected by the inclination sensor and control 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.

[0011] Furthermore, in the above-mentioned electrified crossing device, an angular velocity sensor is also provided on the crossing frame for detecting the angular velocity of rotation of the crossing frame; the controller is also used to receive the angular velocity of the crossing frame detected by the angular velocity sensor and control the traction mechanism according to the angular velocity of the crossing frame, so as to control the angular velocity of rotation of the crossing frame and the manned mechanism.

[0012] Furthermore, in the above-mentioned live crossing device, the crossing frame includes: a plurality of crossing rods; wherein each of the crossing rods is located in the same plane, and one end of each of the crossing rods converges and intersects at a point to be connected to the same position of the manned mechanism.

[0013] Furthermore, in the above-mentioned live spanning device, there are two spanning rods and an isosceles triangle is formed between the two spanning rods and the rotating shaft.

[0014] Furthermore, in the above-mentioned live crossing device, the crossing rod is a telescopic rod to adjust the distance between the rotating shaft and the manned mechanism.

[0015] Furthermore, in the above-mentioned live crossing device, a fixing ring is sleeved on the rotating shaft, and a hinge is provided on the fixing ring, wherein a first hinge piece is connected to the fixing ring, and a second hinge piece is connected to the crossing frame, so as to realize a rotational connection between the crossing frame and the rotating shaft.

[0016] The live crossing device provided by the present invention is rotatably connected to the rotating shaft through a crossing frame, 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 crosses from the side where the fixed mechanism is located above the live area to the construction site located on the side of the fixed mechanism, or crosses from the construction site to the side where the fixed mechanism is located. In particular, when live operations are performed on the tension string of an ultra-high voltage DC pole tower, the crossing frame can be rotated counterclockwise to enable the manned mechanism to cross from the side where the pole tower cross arm is located above the grounding terminal hardware to the tension insulator at the construction site to perform construction operations on the tension string. That is, the live construction personnel can directly transfer from the cross arm to the position of the tension insulator to achieve the crossing of the grounding terminal hardware, thereby avoiding the risk of falling when climbing the hardware in the traditional way, that is, entering along the grounding hardware, reducing the difficulty of operation, improving safety, and at the same time, reducing the physical consumption of the construction personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0018] Figure 1 A diagram showing the use status of the live crossing device provided by an embodiment of the present invention;

[0019] Figure 2 A schematic diagram of the structure of a live crossing device provided in an embodiment of the present invention;

[0020] Figure 3 A structural block diagram of a live crossing device provided in an embodiment of the present invention;

[0021] Figure 4 A schematic structural diagram of a spanning rod provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to be able to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features described in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] See also Figures 1 to 3, which shows the preferred structure of the live crossing device provided by the embodiment of the present invention. As shown in the figure, the live crossing device includes: a fixing mechanism 1, a crossing frame 2, a manned mechanism 3, a traction mechanism 4, a tilt detector 8 and a controller 9; wherein,

[0024] A rotating shaft 11 is provided at the bottom of the fixing mechanism 1. In specific implementation, the fixing mechanism 1 can be a pole tower cross arm at the construction site of the UHV DC transmission project, or other fixed support structures, and of course can also be other fixed support structures at other construction sites, which is not limited in this embodiment. Among them, since the pole tower cross arm is a ground position, the rotating shaft 11 is fixed on the pole tower cross arm, so it is preferably a metal shaft. The rotating shaft 11 can be welded to the bottom of the fixing mechanism 1, or can be connected by other fixed connection methods such as bolts, which is not limited in this embodiment.

[0025] One end of the spanning frame 2 (such as Figure 1 The left end as shown in FIG. 1 is rotatably connected to the rotating shaft 11, and the other end (as shown in FIG. Figure 1 The right end of the figure is provided with a man-carrying mechanism 3, which is used to drive the man-carrying mechanism 3 to rotate around the axis of the rotating shaft 11, so that the man-carrying mechanism 3 can cross from the upper side of the charged area from the side where the fixing mechanism 1 is located to the side of the fixing mechanism 1 (such as Figure 1The spanning frame 2 can be rotated counterclockwise to the construction site (right side as shown) of the UHV DC pole tower tension string live operation or from the construction site to the side where the fixing mechanism 1 is located. For example, when the UHV DC pole tower tension string is live, the spanning frame 2 can rotate counterclockwise to allow the manned mechanism 3 to span from the side where the pole tower cross arm is located above the grounding terminal hardware 5 to the tension insulator 6 to perform the construction operation of the tension string. In specific implementation, the rotation angle of the spanning frame 2 is about 90°, that is, it rotates from a vertical position perpendicular to the conductor to a horizontal position parallel to the conductor, that is, the spanning frame 2 rotates between a vertical state and a horizontal state. Among them, the manned mechanism 3 can be a structure such as a seat, or it can be other structures for construction personnel 30 to stand or sit, and no limitation is made to it in this embodiment. In this embodiment, a seat is used as an example for explanation. Preferably, the back of the seat can be welded to the right end of the spanning frame 2. Of course, it can also be fixed in other ways, and no limitation is made to it in this embodiment. Of course, in order to improve the comfort of the construction workers 30 on the manned mechanism 3 during the rotation process, preferably, the manned mechanism 3 is rotatably connected to the right end of the crossing frame 2, or the manned mechanism 3 can automatically adjust its position according to the rotation angle of the crossing frame 2, so that the position of the construction workers 30 can always be adjusted to a horizontal state during the rotation process, for example, the back of the seat and the right end of the crossing frame 2 are adjusted according to the inclination angle of the crossing frame 2, so that when the rotation angle of the crossing frame 2 is 0~90°, the seat is always parallel to the ground, ensuring the comfort of the construction workers 30. In addition, safety fixing measures such as seat belts should be provided on the seat to prevent the construction workers 30 from leaving the seat during the rotation of the support rod. In order to ensure the safety of the construction workers 30 on the manned mechanism 3, such as the seat, preferably, a safety mechanism is provided on the manned mechanism 3, such as a seat belt, handrails and other related parts, to prevent the construction workers 30 from leaving the seat or other manned mechanisms during the rotation of the crossing frame 2, so as to ensure the safety of the construction workers 30. Figure 1 The direction of the arrow in is the rotation direction of the spanning frame 2.

[0026] The traction mechanism 4 is connected to the spanning frame 2 or the man-carrying mechanism 3, and is used to apply traction force to the spanning frame 2 or the man-carrying mechanism 3, so that the spanning frame 2 and the man-carrying mechanism 3 rotate around the rotation axis 11, thereby achieving the spanning of the man-carrying mechanism 3 and the construction personnel 30 on the man-carrying mechanism 3. In specific implementation, the traction mechanism 4 can be connected to the spanning frame 2, for example, the end of the spanning frame 2 away from the rotation axis 11 (such as Figure 1 The right end as shown in the figure) can also be connected to the manned mechanism 3. There is no limitation on it in this embodiment. In this embodiment, the connection between the traction mechanism 4 and the manned mechanism 3 is taken as an example for explanation. The traction mechanism 4 applies traction force to the manned mechanism 3 to drive the crossing frame 2 to rotate around the rotating shaft 11, so that the manned mechanism 3 and the construction personnel 30 thereon can cross over the electrified area.

[0027] In order to realize automatic control of the rotation of the spanning frame 2, the inclination detector 8 is used to detect the horizontal angle between the spanning frame 2 and the horizontal plane. In specific implementation, the inclination detector 8 can be set on the plane formed by the spanning frame 2 and the rotation axis 11, and rotate with the spanning frame 2 to monitor the horizontal angle of the spanning frame 2 in real time. The inclination detector 8 can be a gyroscope to read the direction indicated by the axis of the gyroscope and automatically transmit the data signal to the controller 9.

[0028] The controller 9 is connected to the inclination detector 8, and is used to receive the horizontal angle detected by the inclination 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 manned mechanism 3 around the rotation axis 11. In specific implementation, the controller 9 is connected to the inclination detector 8, and is used to receive the horizontal angle detected by the inclination detector 8, i.e., the direction indicated by the axis of the gyroscope, and controls the traction mechanism 4 to perform rotation control of the spanning frame 2 according to the horizontal angle, until the spanning frame 2 rotates to a preset position, that is, when spanning from the side where the fixed mechanism 1 is located to the construction site, the traction mechanism 4 can be controlled to terminate the traction force of the spanning frame 2 rotation when the horizontal angle detected by the inclination detector 8 is 0°, thereby stopping the movement of the manned mechanism 3, and when spanning from the construction site to the side where the fixed mechanism 1 is located, the traction mechanism 4 can be controlled to terminate the traction force of the spanning frame 2 rotation when the horizontal angle detected by the inclination detector 8 is 90°, thereby stopping the movement of the manned mechanism 3.

[0029] Further preferably, an angular velocity detector 10 may be provided on the crossing frame 2 to detect the angular motion of the crossing frame 2; the controller 9 is also used to receive the angular motion of the crossing frame 2 detected by the angular velocity detector 10, and control the traction mechanism 4 according to the angular motion of the crossing frame 2, so as to control the angular velocity of the rotation of the crossing frame 2 and the manned mechanism 3 around the rotation axis 11. In specific implementation, the angular velocity detector 10 may also be a gyroscope, that is, the gyroscope is used as both an inclination detector and an angular velocity detector, thereby measuring the horizontal angle and the angular velocity of the rotation of the crossing frame 2.

[0030] 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 and the rotating shaft 11 are connected via a rotating mechanism 7, and the rotating mechanism 7 can be fixedly connected to the left end of the spanning frame 2 and the rotating mechanism 7 and the rotating shaft 11 are rotatably connected, or the rotating mechanism 7 can be rotatably connected to the left end of the spanning frame 2 and the rotating mechanism 7 and the rotating shaft 11 are fixedly connected. There can be multiple rotating mechanisms 7, for example, they can be arranged one by one corresponding to the spanning rods 21 of the spanning frame 2, and are used to respectively realize the rotational connection between each spanning rod 21 and the rotating shaft 11.

[0031] continue Figure 2 The rotating mechanism 7 includes: a fixed ring 71 and a hinge (not shown in the figure); wherein,

[0032] The fixing ring 71 is sleeved on the rotating shaft 11. Specifically, the fixing ring 71 can be a ring structure or a U-shaped buckle structure, which can be fixed on the rotating shaft 11 by welding, or by other fixed connection methods. Since the rotating shaft 11 is fixed on the pole tower cross arm and the rotating shaft is a metal shaft, the rotating shaft 11 and the pole tower cross arm are both at ground potential, so the fixing ring 71 is preferably a metal part so that all three are at ground potential. In order to improve the stability of the fixing ring 71, preferably, there can be multiple fixing rings 71.

[0033] The hinge is arranged on the fixing ring 71 and the spanning frame 2, that is, the first hinge piece is connected to the fixing ring 71, and the second hinge piece is connected to the spanning frame 2, so as to realize the rotation connection between the spanning frame 2 and the rotating shaft 11. In specific implementation, the first hinge piece can be fixed to the fixing ring 71 by welding, and the second hinge piece can be fixed to the spanning frame 2, for example, the left end (relative to the left end) of the spanning rod 21 by welding. Figure 2 for the positions shown).

[0034] Continue to see Figure 1 and Figure 2 The traction mechanism 4 includes a traction rope 41 and two pulleys 42; wherein,

[0035] One of the pulleys 42 is disposed on the fixing mechanism 1 and is located above the rotating shaft 11, and the other pulley 42 is disposed on the crossing frame 2 or the man-carrying mechanism 3. In specific implementation, the two pulleys 42 can be connected to the fixing mechanism 1 or the man-carrying mechanism 3 through a connecting rod 421, for example, one pulley 42 is connected to the cross arm of the tower through the connecting rod 421 and is located above the rotating shaft 11, and the other pulley 42 is connected to the back of the seat through the connecting rod 421.

[0036] The first end of the traction rope 41 is connected to the axle 422 of one of the pulleys 42, and the traction rope 41 passes through each pulley 42, and is used to change the distance between the two pulleys 42 by retracting and releasing the traction rope 41, so as to drive the crossing frame 2 and the manned mechanism 3 to rotate around the axis of the rotating shaft 11. In specific implementation, the traction rope 41 serves as a transmission member, and the two pulleys 42 play a role in changing the direction of the driving force. The crossing frame 2 is rotated by loosening the second end of the traction rope 41, that is, loosening the traction rope 41 causes the crossing frame 2 to rotate counterclockwise (relative to the rotation axis 11). Figure 1 The traction rope 41 is pulled to make the spanning frame 2 rotate clockwise. Figure 1In the figure, the first end of the traction rope 41 is fixed to the axle 422 of the pulley 42 located on the seat, and passes through the pulley 42 located on the fixing mechanism 1 and the pulley 42 located on the seat in turn, and the traction rope 41 is loosened and pulled by the person on the fixing mechanism 1 to realize the rotation of the crossing frame 2. Of course, in order to facilitate the traction of the traction rope 41, preferably, the second end of the traction rope 41 can be connected to a winch (not shown in the figure) for retracting and releasing the traction rope 41, so as to realize the retraction and release of the traction rope 41, and then realize the rotation of the crossing frame 2, then the controller 9 is connected to the winch in the traction mechanism 4 to control the rotation of the winch and the speed of the winch rotation, and then control the retraction and release of the traction rope 41 and the retraction and release speed, and then control the rotation and rotation speed of the crossing frame 2.

[0037] Continue to see Figure 2 The spanning frame 2 includes: a plurality of spanning rods 21; wherein,

[0038] Each spanning rod 21 is located in the same plane, and one end of each spanning rod 21 converges and intersects at an intersection, so as to be connected to the same position of the man-carrying mechanism 3 through the intersection. In specific implementation, there can be one or more spanning rods 21, and the ends of one spanning rod 21 are respectively connected to the rotating shaft 11 and the man-carrying mechanism 3; multiple spanning rods 21 and the rotating shaft 11 are located in the same plane, and the left end of each spanning rod 21 (relative to the left end of the spanning rod 21) is connected to the rotating shaft 11 and the man-carrying mechanism 3. Figure 2 The right end (relative to the position shown) is connected to the rotating mechanism 7, and the right end (relative to Figure 2 For the position shown in the figure, they all converge and intersect at an intersection, and the intersection is connected to the manned mechanism 3. For example, a seat that can be adjusted according to the rotation angle can be set at the intersection, so that when the rotation angle of the spanning rod 21 is 0~90°, the seat is always parallel to the ground, ensuring the riding comfort of the construction personnel 30. Among them, in this embodiment, two spanning rods 21 are used as an example for explanation. Preferably, the two spanning rods 21 and the rotating shaft 11 are arranged to form an isosceles triangle, that is, the two spanning rods 21 have the same length, so as to improve the structural stability of the spanning frame 2. Of course, reinforcing ribs (not shown in the figure) are provided between the spanning rods 21 or between the spanning rods 21 and the rotating shaft 11, which are used to strengthen the strength of the spanning frame 21, wherein the reinforcing ribs connected to the rotating shaft 11 are rotatably connected to the rotating shaft 11.

[0039] In this embodiment, the spanning rod 21 may be two insulating rods of the same length.

[0040] See also Figure 4 The spanning rod 21 may be a telescopic rod to adjust the overall length of the spanning rod 21, and then adjust the distance between the rotating shaft 11 and the manned mechanism 3 according to the spanning distance.

[0041] Continue to see Figure 4The telescopic rod may include: a fixed cantilever 2111 and a sliding cantilever 212; wherein the sliding cantilever 212 is arranged on one side of the fixed cantilever 211 (such as Figure 4 The right side of the telescopic rod is shown in the figure), which is sleeved in the fixed cantilever 211 and can slide relative to the fixed cantilever 211 through adjustment. In order to increase the adjustment range and stability of the telescopic rod length, it can be understood by those skilled in the art that the sliding cantilever 212 can also be two or more.

[0042] It is obviously understandable that the telescopic rod in this embodiment adjusts the overall length of the spanning rod 21 by relative sliding between the fixed cantilever 211 and the sliding cantilever 212 to adjust the distance between the rotating shaft 11 and the manned mechanism 3.

[0043] In one implementation of the telescopic rod in the present embodiment, a plurality of first locking holes are arranged in parallel on the sliding cantilever 212, and a first locking member (not shown in the figure) that is locked in the first locking hole is arranged on the fixed cantilever 211; and / or a plurality of second locking holes are arranged in parallel on the fixed cantilever 211, and a second locking member (not shown in the figure) that is locked in the second locking hole is arranged on the sliding cantilever 212.

[0044] Specifically, the first clamping member can adjust the length of the sliding cantilever outside the fixed cantilever by being clamped on different first clamping holes, thereby adjusting the length of the telescopic rod; of course, the second clamping member can also be clamped on different second clamping holes to achieve length adjustment.

[0045] It is obviously understandable that in this embodiment, by clamping the first clamping member on different first clamping holes and / or the second clamping member on different second clamping holes, the length of the sliding cantilever 212 outside the fixed cantilever 211 is adjusted to achieve the adjustment of the length of the telescopic rod. The structure is simple and easy to implement.

[0046] In another implementation manner of the telescopic rod in the present embodiment, a slide groove is provided in the fixed cantilever 211 along its length direction, and the sliding cantilever 212 can be slidably connected to the fixed cantilever 211 along the slide groove; those skilled in the art can understand that the fixed cantilever 211 and the sliding cantilever 212 can be locked by a locking member to prevent the fixed cantilever 211 and the sliding cantilever 212 from moving when the crossing rod 21 rotates, thereby ensuring the safety of the construction personnel 30.

[0047] In this embodiment, the two crossing rods 21, the seat and the connecting tools are all made of insulating materials with high hardness, high strength, and strong compression and tensile resistance, so as to reduce the impact of the tool intervention in the space near the insulating string on the electric field.

[0048] The working process of the device is as follows: first, the operator 20 located on the fixing mechanism 1 pulls the traction rope 41 until the crossing rod 21 is perpendicular to the direction of the wire (such as Figure 1 The vertical direction shown in the figure) causes the seat to move to the fixing mechanism 1, and the construction worker 30 on the fixing mechanism 1 climbs from the pole tower to the upper side of the cross arm to sit on the seat on the top of the crossing rod 21; then, the operator 20 on the fixing mechanism 1 loosens the traction rope 41, causing the crossing rod 21 to rotate counterclockwise until the crossing rod 21 is horizontally arranged, that is, parallel to the conductor, and the operator 20 on the seat can then move from under the seat to the tension insulator 6, that is, the live construction worker 30 is now transferred from the cross arm to the tension insulator 6, realizing the crossing of the grounding terminal fittings 5. Of course, the live crossing device can also be used in other crossings, and this embodiment does not impose any limitation on it.

[0049] In summary, the live crossing device provided in this embodiment is rotatably connected to the rotating shaft 11 through the crossing frame 2, so as to drive the manned mechanism 3 on the crossing frame 2 to rotate around the axis of the rotating shaft 11, so that the manned mechanism 3 crosses from the side where the fixed mechanism 1 is located above the live area to the construction site located on the side of the fixed mechanism 1, or from the construction site to the side where the fixed mechanism 1 is located. In particular, when the UHV DC pole tower tension string is live, the crossing frame 2 can rotate counterclockwise to make the manned mechanism 3 cross from the side where the pole tower cross arm is located above the grounding end hardware 5 to the tension insulator 6 at the construction site to perform the construction operation of the tension string, that is, the live construction personnel 30 directly transfer from the cross arm to the position of the tension insulator 6, realize the crossing of the grounding end hardware 5, avoid the risk of falling when entering along the grounding hardware, reduce the difficulty of operation, improve safety, and at the same time, reduce the physical consumption of the construction personnel 30. Of course, the device is not limited to the occasion of crossing the grounding end hardware of the insulator string, and can also be applied to other occasions where crossing is required.

[0050] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these 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 these modifications and variations.

Claims

1. A live crossing device, characterized in that: include: A fixing mechanism (1) having a rotating shaft (11) at its bottom; A crossing frame (2) having one end rotatably connected to the rotating shaft (11) and the other end provided with a man-carrying mechanism (3) for driving the man-carrying mechanism (3) to rotate around the axis of the rotating shaft (11) so that the man-carrying mechanism (3) can cross from the upper side of the electrified area from the side where the fixing mechanism (1) is located to a construction site located on one side of the fixing mechanism (1) or from the construction site to the side where the fixing mechanism (1) is located; The crossing frame (2) or the manned mechanism (3) is connected to a traction mechanism (4) for applying a traction force to the crossing frame (2) or the manned mechanism (3) so as to cause the crossing frame (2) and the manned mechanism (3) to rotate around the axis of the rotating shaft (11); The traction mechanism (4) comprises: a traction rope (41) and two pulleys (42); wherein: One of the pulleys (42) is arranged on the fixing mechanism (1) and is located above the rotating shaft (11), and the other pulley (42) is arranged on the crossing frame (2) or the manned mechanism (3); The first end of the traction rope (41) is connected to the axle (422) of one of the pulleys (42), and the traction rope (41) passes around each of the pulleys (42) to change the distance between the two pulleys (42) by retracting and releasing the traction rope (41), so as to drive the crossing frame (2) and the manned mechanism (3) to rotate; The spanning frame (2) is provided with an inclination sensor (8) for detecting a horizontal angle between the spanning frame (2) and a horizontal plane; The inclination sensor (8) is connected to a controller (9) for receiving the horizontal angle of the crossing frame (2) detected by the inclination sensor (8) and controlling the traction mechanism (4) according to the horizontal angle of the crossing frame (2), so as to control the rotation of the crossing frame (2) and the manned mechanism (3); The spanning frame (2) is also provided with an angular velocity sensor (10) for detecting the angular velocity of rotation of the spanning frame (2); The controller (9) is also used to receive the angular velocity of the crossing frame (2) detected by the angular velocity sensor (10) and control the traction mechanism (4) according to the angular velocity of the crossing frame (2), so as to control the angular velocity of rotation of the crossing frame (2) and the manned mechanism (3).

2. The live crossing device according to claim 1, characterized in that: The second end of the traction rope (41) is connected to a winch for retracting and releasing the traction rope (41).

3. The live crossing device according to claim 1 or 2, characterized in that: The spanning frame (2) comprises: a plurality of spanning rods (21); wherein: The spanning rods (21) are located in the same plane, and one end of the spanning rods (21) converges and intersects at a point so as to be connected to the same position of the manned mechanism (3).

4. The live crossing device according to claim 3, characterized in that: There are two spanning rods (21), and an isosceles triangle is formed between the two spanning rods (21) and the rotating shaft (11).

5. The live crossing device according to claim 3, characterized in that: The spanning rod (21) is a telescopic rod used to adjust the distance between the rotating shaft (11) and the manned mechanism (3).

6. The live crossing device according to claim 1 or 2, characterized in that: A fixing ring (71) is sleeved on the rotating shaft (11), and a hinge is provided on the fixing ring (71), wherein a first hinge piece is connected to the fixing ring (71) and a second hinge piece is connected to the spanning frame (2), so as to realize a rotational connection between the spanning frame (2) and the rotating shaft (11).

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