Line trolley

Abstract

Cable trolley (1) with a car (2), wherein the car (2) has an electric drive (3), wherein the electric drive (3) is connected to a battery (4), wherein the electric drive (3) interacts with a cable roller (5), wherein the drive (3) is controllable via a control unit (6), wherein a brake (7) is provided, characterized in that a crossing aid (8) is provided, wherein the crossing aid (8) has a folding boom, wherein the folding boom consists of a horizontal support (10) pivotably attached to the car (2), wherein the horizontal support (10) has a vertical support (9) pivotably attached to the horizontal support (10) on the other side of the car (2), wherein the vertical support (9) has a cable roller carrier (11) at the other end of the horizontal support (10).wherein the cable roller carrier (11) is adjustable and lockable between 180° and 360° relative to the vertical support (9) and has at least two cable rollers (12) on a pivot axis (13).

Description

Technical area

[0001] The invention relates to a cable trolley according to the preamble of claim 1. State of the art

[0002] Such cable trolleys are already known and in use in a wide variety of forms and designs. For example, DE 10 2021 102 375 B3 describes a cable trolley for high-voltage lines equipped with a frame. This frame contains a drive that interacts with a cable drive roller. The drive roller is part of a cable drive unit, which also includes a cable brake. The cable brake is based on a scissor-type design with two holders that are reversibly movable relative to each other. Each holder carries a brake shoe.

[0003] The drive can be used to activate either the cable brake or drive the cable drive roller using an either / or switch.

[0004] EP 3 319 190 A1 further describes a variant of a chassis designed as a lattice frame. It features two inclined lifting arms specifically developed for autonomously climbing masts. The rigging is positioned on a platform below the cables. The structure also includes a control unit and a power supply unit. The assembly unit is designed as a multi-axis robot and mounted on a platform attached to the outside of the chassis, located above the lower cables. Object of the invention

[0005] The objective of the present invention is to provide a lightweight cable trolley that offers advantages for older lines due to its weight savings. State-of-the-art hydraulic lifting arms are often too heavy for such applications, while allowing obstacles along the line to be easily and quickly overcome during use. Solution to the task

[0006] The features of claim 1 lead to the solution of the problem. Advantageous embodiments are described in the subclaims.

[0007] The line trolley is arranged in a traveling position on a line, where traveling position means that it can travel back and forth on a line, such as a high-voltage line, in a first or a second direction of travel.

[0008] In the operating position, the line trolley is positioned between two high-voltage pylons, with the first direction of travel pointing toward the first pylon and the second direction of travel pointing toward the second pylon. This configuration allows the line trolley to operate flexibly between defined points on the line and quickly adapt to the respective task.

[0009] The cable trolley comprises a car equipped with an electric drive. The electric drive is connected to a battery that provides the power for operation. The advantage of this design is its independence from external power sources, which makes the cable trolley suitable for use anywhere.

[0010] In addition, the electric drive in combination with the battery ensures environmentally friendly and quiet operation, which is particularly advantageous in sensitive environments.

[0011] The cable rollers are powered by an electric drive, allowing the cable carriage to move in the desired direction. The cable rollers are designed to ensure secure and stable contact with the cable, ensuring precise control and reliable progress.

[0012] The control unit allows the operator to precisely control the cable trolley. The control unit allows both the direction of travel and the speed of the cable trolley to be regulated, ensuring high user-friendliness and flexibility.

[0013] A brake is also a component of the cable trolley and provides an important safety function. It allows the cable trolley to be stopped and immobilized at a specific position on the line, which is particularly necessary during maintenance or inspection work. The advantage of the brake is increased safety, as it prevents the trolley from accidentally slipping.

[0014] Another key feature of the cable trolley is the override aid, which is used to safely negotiate obstacles on the line, such as insulators. This override aid consists of a folding boom comprising several movable components that allow flexible adaptation to different obstacles.

[0015] The folding boom includes a horizontal beam that pivots on the car. This horizontal beam allows the drive-over aid to be moved sideways away from the car, creating space for the drive-over procedure. The advantage of the pivoting horizontal beam is its versatility, as it can be easily adjusted to various positions to overcome obstacles of different sizes and shapes.

[0016] A pivoting vertical support is attached to the other end of the horizontal beam. This vertical support allows the crossing aid to be adjusted to the cables. The advantage of the pivoting connection between the horizontal and vertical supports lies in the flexibility of the system, as it can be adapted to the specific requirements of the respective crossing situation. The vertical support is also adjustable in length, allowing the crossing aid to be further adapted to different cable or obstacle heights.

[0017] The vertical support is equipped with a cable roller support that is adjustable relative to the vertical support. This adjustability allows the cable roller support to be placed in the optimal position to ensure secure contact with the cables. The cable roller support is also equipped with at least two cable rollers mounted on a common pivot axis. These rollers ensure a stable and secure hold on the cables and facilitate the movement over obstacles.

[0018] The overhead support is moved to the desired position in the overhead position by an adjustment drive. The adjustment drive consists of a spindle rod, a car mount, and a vertical strut connection. The spindle rod enables precise adjustment of the position of the horizontal beam relative to the car. The advantage of this design is the high degree of accuracy with which the overhead support can be positioned, which increases the safety and effectiveness of the overhead system.

[0019] The crossing aid is designed to be used in both the first and second directions of travel. This is achieved by installing an additional crossing aid in the opposite direction of travel, which significantly expands the application possibilities of the cable trolley.

[0020] Finally, a stop on the horizontal beam ensures that the vertical beam is secured in the drive-over position. This ensures a stable and secure position of the drive-over aid during the drive-over, increasing both operational reliability and the longevity of the components. Character description

[0021] Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawings, which show: Fig. 1 a cable trolley 1 in a traveling position on a cable; Fig. 2 of the cable trolley 1 from the Fig. 1 in overrun position without the cable; Fig. 3 of the cable trolley 1 from the Fig. 1 in overrun position on the line. Example

[0022] In Fig. 1 shows a line trolley 1 in a traveling position on a line. "Traveling position" means that the line trolley 1 can travel back and forth on the line (not described in more detail), for example, a high-voltage line, in a first direction of travel 21 or a second direction of travel 22. In the traveling position, the line trolley 1 is arranged between two high-voltage pylons for back-and-forth travel. The first direction of travel 21 points toward the first high-voltage pylon, and the second direction of travel 22 points toward the second high-voltage pylon.

[0023] The cable trolley 1 comprises a car 2, which is equipped with an electric drive 3. The electric drive 3 is connected to a battery 4. The battery 4 is in the Fig. 2. The battery 4 supplies, among other things, the energy for the electric drive 3, which in turn drives the cable rollers 5. The interaction of the battery 4 with the electric drive 3 and the cable rollers 5 means that the battery 4 supplies the drive 3 with energy. In turn, the cable rollers 5 are driven in rotation, allowing them to travel either in the first direction of travel 21 or in the second direction of travel 22.

[0024] The electric drive 3 can be controlled via a control unit 6. Using the control unit 6, a user can control the cable trolley 1 in the desired direction and, if necessary, also the speed.

[0025] Furthermore, a brake 7 is provided, which fulfills an additional safety function. The brake 7 ensures that the cable trolley 1 comes to a stop at a specific position on the cable and prevents it from accidentally slipping in one of the travel directions 21, 22.

[0026] The cable trolley 1 has a crossing aid 8. This crossing aid 8 is used to overcome obstacles on the line. These can be, for example, insulators 25, as shown in the Fig. 1 and Fig. 3 are shown.

[0027] The crossing aid 8 comprises a folding boom consisting of a horizontal beam 10 pivotally mounted on the car 2. At the other end of the horizontal beam 10 is a vertical beam 9 pivotally mounted on the horizontal beam 10. The vertical beam 9 has a cable roller support 11 at the opposite end of the horizontal beam 10.

[0028] The cable roller support 11 is adjustable between 180° and 360° relative to the vertical support 9 and can be fixed in the desired position. Furthermore, the cable roller support 11 is equipped with at least two cable rollers 12, which are mounted on a common pivot axis 13.

[0029] The crossing aid 8 is designed as a folding boom. This means that when the cable trolley 1 has approached the insulators 25, the user first unfolds the horizontal support 10 away from the cable trolley 1 and then unfolds the vertical strut 9 toward the cables. Subsequently, the cable reel support 11 is initially guided parallel between the two cables shown and then rotated by 90° to place the two cable reels 12 onto the cables shown, as shown in the Fig. 3 is shown.

[0030] In the Fig. 1 and Fig.3 also shows the overrun position, in which the overrun aid 8 is unfolded and lies on the cables in order to overcome an obstacle, in this case the insulators 25. The overrun aid 8 is unfolded so that the insulators 25 or another obstacle are arranged between the cable roller support 11 and the cable rollers 5. The horizontal support 10 is then pivoted away from the car 2 in the overrun position by an adjustment drive 14. The adjustment drive 14 is a mechanism that changes the position of the horizontal support 10 relative to the car 2 and thereby brings the overrun aid 8 into the desired position. The desired position means that the cables are pulled downwards towards a base by the vertical strut 9 and the horizontal strut 10 is pushed away from the car 2. When the horizontal strut 10 is pushed away from the car 2, the horizontal strut 10 pulls the cables to the ground by means of the vertical strut 9.This lifts the cable rollers 5 pointing in the respective direction of travel 22, 23 from the cable. This in turn allows the cable rollers 5 to be unfolded, for example, the insulators 25 to be driven over, and the override aid 8 to be returned to its original position, i.e., the travel position.

[0031] The adjustment drive 14 consists of several components. The adjustment drive 14 comprises a spindle rod 15, a car mount 16, and a vertical strut connection 17. The spindle rod 15 is equipped with a screw head 18 at one end and has a horizontal beam connection 17 at the other end. This horizontal beam connection 17 is detachably connected to the horizontal beam 10 with a locking pin 19. Furthermore, the spindle rod 15 is adjustable within a counter-threaded housing 20, which is part of the car mount 16. This design enables precise adjustment of the position of the horizontal beam 10. The spindle rod 15 is rotatably mounted in the counter-threaded housing 20.

[0032] The spindle rod 15 is adjusted by a user using the screw head 18, for example, with a cordless screwdriver. The spindle rod 15 pushes the vertical strut connection 17 away from the car 2 or away from the car mount 16, thereby pulling the horizontal support 10 with it, which in turn pulls the vertical strut 9 with it and thereby pulls the cable roller support 11 with the cable rollers 12 toward the ground. The ground refers to the floor area beneath the cable carriage in the driving position or the drive-over position.

[0033] A cable trolley 1 according to one of the preceding claims is further characterized in that the crossing aid 8 is arranged in a first direction of travel 21, while another crossing aid 24 is mounted in a second direction of travel 22. This arrangement allows the cable trolley 1 to cross obstacles in different directions of travel, thus ensuring greater flexibility in use.

[0034] The vertical support 9 is adjustable in length. This allows for adjustment of the height of the vertical support 9, which is particularly advantageous in situations where the drive-over aid 8 needs to be adapted to different requirements.

[0035] In order for the horizontal beam 10 to be able to carry the vertical beam 9 in the manner described above, the pivoting ability of the horizontal beam 10 relative to the vertical beam 9 must be limited. For this purpose, the horizontal beam 10 has a stop 23. This stop 23 serves to fix the vertical beam 9 in the overrun position by pressing it against the stop 23.

[0036] This ensures a stable and safe position of the vertical support 9 during the drive-over aid. List of reference symbols 1 cable trolley 2 car 3 electric drive 4 battery 5 Cable roller 6 Control unit 7 Brake 8 Override aid 9 vertical beams 10 horizontal beams 11 cable reel carriers 12 cable reels 13 axis of rotation 14 Adjustment drive 15 spindle rod 16 Car bracket 17 Horizontal strut connection 18 screw head 19 locking pin 20 counter thread housings 21 First direction of travel 22 Second direction of travel 23 stop 24 additional crossing aids 25 Insulator QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] DE 10 2021 102 375 B3

[0002] EP 3 319 190 A1

[0004]

Claims

[1] Cable trolley (1) with a car (2), wherein the car (2) has an electric drive (3), wherein the electric drive (3) is connected to a battery (4), wherein the electric drive (3) interacts with a cable roller (5), wherein the drive (3) is controllable via an operating unit (6), wherein a brake (7) is provided, characterized bythat a crossing aid (8) is provided, wherein the crossing aid (8) has a folding boom, wherein the folding boom consists of a horizontal support (10) pivotably attached to the car (2), wherein the horizontal support (10) on the other side of the car (2) has a vertical support (9) pivotably attached to the horizontal support (10), wherein the vertical support (9) on the other end of the horizontal support (10) has a cable roller support (11), wherein the cable roller support (11) is adjustable and fixable between 180° and 360° to the vertical support (9) and has at least two cable rollers (12) on a rotation axis (13). [2] Cable trolley (1) according to claim 1, characterized by that the horizontal beam (10) is pivoted away from the car (2) in the overrun position by an adjustment drive (14). [3] Cable trolley (1) according to claim 2, characterized byin that the adjustment drive (14) consists of a spindle rod (15), a car holder (16) and a vertical strut connection (17), wherein the spindle rod (15) has a screw head (18) at one end and the horizontal support connection (17) at the other end, wherein the horizontal support connection (17) is detachably connected to the horizontal support (10) with a locking pin (19) and is adjustable in a counter-threaded housing (20) of the car holder (16). [4] Cable trolley (1) according to one of the preceding claims, characterized by that one crossing aid (8) is arranged in a first direction of travel (21) and a further crossing aid (24) is arranged in a second direction of travel (22). [5] Cable trolley (1) according to one of the preceding claims, characterized by that the vertical support (9) is adjustable in length. [6] Cable trolley (1) according to one of the preceding claims, characterized bythat the horizontal support (10) has a stop (23) against which the vertical support (9) is pressed in the overrun position.

Images