CN218376307U - Mobile vehicle ladder for electrified railway contact network maintenance - Google Patents

Abstract

The utility model relates to a railway overhauls device field discloses electric railway contact net overhauls and uses mobile vehicle ladder, including moving the frame, moving the fixed staircase lifting mechanism that is provided with of frame up end, the fixed U-shaped work platform that is provided with in staircase lifting mechanism upper end. The utility model discloses in, this car ladder accessible rolling mechanism and actuating mechanism remove appointed operating position fast on the rail, go up appointed working height with U-shaped work platform lifting through staircase lifting mechanism simultaneously, personnel can be in the same height with waiting to overhaul the railway contact net, be convenient for carry out the operation, great U-shaped work platform also does benefit to and puts more operation tools, can make both produce huge relative suction through the circular telegram to a plurality of electromagnetic blocks through the principle of magnetism brake of inhaling, firmly lock the brake disc, thereby make a plurality of drive wheels fix, prevent that the car ladder from taking place random removal when the operation, the security when having promoted the operation.

Description

Mobile vehicle ladder for electrified railway contact network maintenance

Technical Field

The utility model relates to a railway overhauls the device field, especially relates to electric railway contact net overhauls with removing the car ladder.

Background

The electrified railway contact net is a line which is erected along an electrified railway and supplies power to an electric locomotive or an electric motor train unit, and the electric locomotive is in a motion state and receives electric energy from the contact net, so that the contact net is required to be safe and reliable, has good elasticity, guarantees uninterrupted power supply and has high wear resistance and corrosion resistance, and needs to be periodically subjected to all-line maintenance work because the contact net needs to keep high reliability during working, and needs to be subjected to maintenance work by workers along the line during maintenance.

Traditional artifical maintenance mode staff need put splayed ladder and transport the manual expansion again after the assigned position on the locomotive, consuming time hard, the personnel climb on splayed ladder simultaneously and inconveniently carry with various working tools behind, need take the instrument from top to bottom many times, splayed ladder easily takes place to empty when using simultaneously, the security is relatively poor, consequently, technical personnel in the field provide the electrified railway contact net overhaul with the locomotive ladder to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the electric railway contact net that proposes overhauls uses the removal ladder, appointed operating position is arrived to this ladder accessible rolling mechanism and actuating mechanism quick travel on the rail, simultaneously through staircase lifting mechanism with U-shaped work platform lifting to appointed working height, personnel can be in the same height with waiting to overhaul the railway contact net, be convenient for carry out the operation, great U-shaped work platform also does benefit to and puts more operation tools, can make both produce huge relative suction through the circular telegram to a plurality of electromagnetic blocks through the principle of magnetism brake, firmly lock the brake disc, thereby make a plurality of drive wheels fix, prevent that the ladder from taking place random removal when the operation, the security when having promoted the operation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the moving vehicle ladder for overhauling the contact net of the electrified railway comprises a moving vehicle frame, wherein an escalator lifting mechanism is fixedly arranged on the upper end surface of the moving vehicle frame, a U-shaped working platform is fixedly arranged at the upper end of the escalator lifting mechanism, and a rolling mechanism and a driving mechanism are respectively and fixedly arranged at the front side and the rear side of the lower end surface of the moving vehicle frame;

through the technical scheme, the U-shaped working platform is used for providing a standing place for workers, the escalator lifting mechanism is used for lifting the U-shaped working platform to a specified working height, and the moving frame moves to a specified working position through the rolling mechanism and the driving mechanism.

Furthermore, the escalator lifting mechanism comprises a hydraulic oil cylinder and a base platform, a plurality of first folding rods and a plurality of second folding rods are hinged to the upper end surface of the base platform close to the rear side, a plurality of escalator vertical rods are hinged to the upper end surface of the first folding rod, a plurality of escalator straight rods are hinged among the escalator vertical rods, and the hydraulic oil cylinder is hinged to the position between the moving frame and the second folding rod;

through the technical scheme, when the U-shaped working platform is lifted, the hydraulic oil cylinder extends out to jack the plurality of folding rods upwards, the plurality of vertical escalator rods hinged with the folding rods and the straight escalator rods move relatively to each other, so that the first folding rods and the second folding rods are upwards lifted, and meanwhile, the escalator formed by the vertical escalator rods and the straight escalator rods is also stretched.

Furthermore, the upper ends of a plurality of first folding rods are respectively hinged to the two sides of the U-shaped working platform, the upper ends of the plurality of first folding rods are respectively hinged to a supporting connecting rod, the rear ends of the plurality of supporting connecting rods are respectively hinged to a second folding rod, the front ends of the plurality of supporting connecting rods are respectively hinged to a connecting rod, and the upper ends of the plurality of connecting rods are respectively hinged to the U-shaped working platform;

through above-mentioned technical scheme, it is a plurality of folding rod and a plurality of connecting rod provide supporting role to U-shaped work platform jointly, do not influence simultaneously a plurality of the mutual removal of folding rod and a plurality of connecting rod.

Furthermore, pedal base plates are arranged between the first folding rods and the second folding rods at equal intervals, and the front side and the rear side of each pedal base plate are respectively hinged with the first folding rods and the second folding rods;

through the technical scheme, the pedal base plate keeps a horizontal posture in the process of moving the first folding rod and the second folding rod, and workers can move up and down conveniently.

Furthermore, the driving mechanism comprises a double-end motor and an electromagnetic brake mechanism, the double-end motor and the electromagnetic brake mechanism are both fixedly connected with the movable frame, the output end of the double-end motor is fixedly provided with driving wheels, the positions of the driving wheels, which are close to one side of the double-end motor, are fixedly provided with brake discs, and the brake discs are respectively movably connected with the electromagnetic brake mechanism;

through above-mentioned technical scheme, it is through a plurality of electromagnetic brake mechanism fixes a plurality of brake discs to make it is a plurality of the drive wheel is fixed, prevents that the car ladder from taking place to remove, double-end motor provides necessary power output for the car ladder.

Furthermore, the electromagnetic brake mechanism comprises a brake box, a plurality of electromagnetic blocks are movably arranged in the brake box, extension springs are connected among the electromagnetic blocks, and the brake disc penetrates through the outer wall of the brake box and is communicated with the positions among the electromagnetic blocks;

through the technical scheme, the electromagnetic blocks are electrified to generate huge relative suction force, so that the electromagnetic blocks overcome the stretching springs between the electromagnetic blocks and are tightly adsorbed to each other, and the brake disc is firmly locked.

Furthermore, the rolling mechanism comprises a plurality of damping spring leaf groups, the damping spring leaf groups are respectively and fixedly arranged at the positions, close to the front side, of the lower end surface of the movable frame, rotating shafts are fixedly arranged on the lower end surfaces of the damping spring leaf groups, and rolling wheels are arranged at two ends of each rotating shaft;

through the technical scheme, the damping spring plate groups absorb the vibration generated in the moving process, so that the vehicle ladder can move more stably.

Furthermore, a grid base plate is fixedly arranged on the upper end face of the U-shaped working platform, platform guardrails are fixedly arranged at the positions, close to the edges, of the upper end face of the U-shaped working platform, and a control console is fixedly arranged at the position, close to the front side, of the upper end face of the movable frame;

through above-mentioned technical scheme, operating personnel passes through the control cabinet control removes the car ladder, sets up the platform guardrail can prevent that personnel's accident from falling.

The utility model discloses following beneficial effect has:

1. the utility model provides an electric railway contact net overhauls uses mobile car ladder, this car ladder pass through staircase lifting mechanism with U-shaped work platform lifting to appointed working height, personnel can be in the same height with waiting to overhaul the railway contact net, be convenient for carry out the operation, simultaneously great U-shaped work platform also does benefit to the staff and directly places the instrument on U-shaped work platform, need not to get on the way at the operation and take the instrument with the car ladder, has promoted the work efficiency.

2. The utility model provides an electric railway connecting net overhauls uses mobile car ladder, this car ladder accessible are fixed in the rolling mechanism and the actuating mechanism of terminal surface under the moving frame and realize freely removing on the rail, and operating personnel controls the moving frame and removes appointed operating position through rolling mechanism and actuating mechanism, need not to walk, has saved physical power, has promoted the translation rate, does benefit to daily maintenance.

3. The utility model provides an electric railway contact net overhauls with removing car ladder, this car ladder can make both produce huge relative suction through to the circular telegram of a plurality of electromagnetism pieces, makes the extension spring between a plurality of electromagnetism pieces are overcome and tightly adsorbs each other, firmly locks the brake disc to make a plurality of drive wheels fix, prevent that the car ladder from taking place to remove at will, the security when having promoted the operation.

Drawings

Fig. 1 is a schematic side view of a mobile vehicle ladder for overhauling an overhead contact system of an electrified railway provided by the utility model;

fig. 2 is a schematic plan view of the mobile vehicle ladder for overhauling the overhead contact system of the electrified railway provided by the utility model;

fig. 3 is a schematic side view of the escalator lifting mechanism of the mobile car ladder for overhauling the overhead contact system of the electrified railway provided by the utility model;

fig. 4 is a schematic view of a front view structure of a driving mechanism of the mobile car ladder for overhauling the overhead contact system of the electrified railway provided by the utility model;

fig. 5 is a schematic view of a part of the structure of the rolling mechanism of the mobile car ladder for overhauling the overhead contact system of the electrified railway provided by the utility model;

fig. 6 is the utility model provides an enlarged schematic view of a department structure of electrified railway contact net overhauls with removal car ladder.

Illustration of the drawings:

1. moving the frame; 2. a rolling mechanism; 3. a drive mechanism; 4. a console; 5. a U-shaped working platform; 6. a platform guardrail; 7. a grid backing plate; 8. a hydraulic cylinder; 9. a first folding rod; 10. a second folding rod; 11. a step pad; 12. a straight rod of the escalator; 13. a vertical shaft of the escalator; 14. a connecting rod; 15. a support link; 16. an electromagnetic brake mechanism; 17. a double-headed motor; 18. a drive wheel; 19. a brake box; 20. an electromagnetic block; 21. an extension spring; 22. a brake disc; 23. an escalator lifting mechanism; 24. a base platform; 25. a rolling wheel; 26. a rotating shaft; 27. damping spring leaf group.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: the movable vehicle ladder for overhauling the overhead contact system of the electrified railway can be used for fast moving overhauling work on a track, comprises a movable vehicle frame 1 and is simple in structure, a staircase lifting mechanism 23 is fixedly arranged on the upper end surface of the movable vehicle frame 1, a U-shaped working platform 5 is fixedly arranged at the upper end of the staircase lifting mechanism 23, the occupied area of an oil cylinder can be effectively reduced due to the special shape of the movable vehicle frame, the utilization area of the U-shaped working platform 5 is increased, the larger working area is also beneficial for a worker to directly place a tool on the U-shaped working platform 5, the worker does not need to get on or off the vehicle ladder during operation, the working efficiency is improved, and a rolling mechanism 2 and a driving mechanism 3 are respectively and fixedly arranged at the front side and the rear side of the lower end surface of the movable vehicle frame 1 and are used for moving and fixing the vehicle frame;

be used for providing the place of standing for the staff through U-shaped work platform 5, staircase lifting mechanism 23 is used for lifting U-shaped work platform 5 to appointed operating height, and personnel can be in the same height with the railway contact net of waiting to overhaul, is convenient for carry out the operation, and moving frame 1 removes appointed operating position through rolling mechanism 2 and actuating mechanism 3, and actuating mechanism 3 can carry out the fixed lock and die, prevents to move at will in the work.

The escalator lifting mechanism 23 comprises a hydraulic oil cylinder 8 and a base platform 24, a plurality of first folding rods 9 and a plurality of second folding rods 10 are hinged to the upper end face of the base platform 24 close to the rear side, a plurality of escalator vertical rods 13 are hinged to the upper end face of the first folding rod 9, a plurality of escalator straight rods 12 are hinged between the escalator vertical rods 13, the hydraulic oil cylinder 8 is hinged to the position between the moving frame 1 and the second folding rods 10, when the U-shaped working platform 5 is lifted, the hydraulic oil cylinder 8 extends out to push the plurality of first folding rods 9 to lift upwards, the plurality of escalator vertical rods 13 hinged to the first folding rod 9 and the escalator straight rods 12 move relatively, the first folding rods 9 and the second folding rods 10 are lifted upwards, and meanwhile, an escalator composed of the escalator vertical rods 13 and the escalator straight rods 12 is also unfolded;

the upper ends of a plurality of first folding rods 9 are respectively hinged to positions, close to two sides, of a U-shaped working platform 5, a plurality of first folding rods 9 are hinged to supporting connecting rods 15, the rear ends of the supporting connecting rods 15 are respectively hinged to second folding rods 10, the front ends of the supporting connecting rods 15 are respectively hinged to connecting rods 14, the upper ends of the connecting rods 14 are respectively hinged to the U-shaped working platform 5, the first folding rods 9 and the connecting rods 14 jointly provide a supporting effect for the U-shaped working platform 5, meanwhile, mutual movement of the first folding rods 9 and the connecting rods 14 is not affected, pedal cushion plates 11 are arranged between the first folding rods 9 and the second folding rods 10 at equal intervals, the front sides and the rear sides of the pedal cushion plates 11 are respectively hinged to the first folding rods 9 and the second folding rods 10, the pedal cushion plates 11 are enabled to keep horizontal postures in the moving process of the first folding rods 9 and the second folding rods 10, and workers can move up and down conveniently;

the driving mechanism 3 comprises a double-end motor 17 and an electromagnetic brake mechanism 16, the double-end motor 17 and the electromagnetic brake mechanism 16 are fixedly connected with the movable frame 1, driving wheels 18 are fixedly arranged at the positions of the output ends of the double-end motor 17, brake discs 22 are fixedly arranged at the positions of the driving wheels 18 close to one side of the double-end motor 17, the brake discs 22 are movably connected with the electromagnetic brake mechanism 16 respectively, and the electromagnetic brake mechanisms 16 are used for fixing the brake discs 22, so that the driving wheels 18 are fixed to prevent the car ladder from moving, and the double-end motor 17 provides necessary electric power output for the car ladder;

the electromagnetic brake mechanism 16 comprises a brake box 19, a plurality of electromagnetic blocks 20 are movably arranged in the brake box 19, extension springs 21 are connected among the electromagnetic blocks 20, a brake disc 22 penetrates through the outer wall of the brake box 19 and is communicated to positions among the electromagnetic blocks 20, the electromagnetic blocks 20 can generate huge relative suction force when being electrified, the electromagnetic blocks 20 overcome the extension springs 21 between the electromagnetic blocks and are tightly adsorbed to each other, and the brake disc 22 is firmly locked;

the rolling mechanism 2 comprises a plurality of damping spring leaf groups 27, the damping spring leaf groups 27 are fixedly arranged at the lower end face of the moving frame 1 close to the front position respectively, the lower end face of the damping spring leaf groups 27 is fixedly provided with a rotating shaft 26, two ends of the rotating shaft 26 are respectively provided with a rolling wheel 25, the vibration generated in the moving process is absorbed through the damping spring leaf groups 27, the vehicle ladder is more stable to move, the upper end face of the U-shaped working platform 5 is fixedly provided with a grid cushion plate 7,U and is fixedly provided with a platform guardrail 6 close to the edge position, the upper end face of the moving frame 1 close to the front position is fixedly provided with a control table 4, an operator controls the moving vehicle ladder through the control table 4, and the platform guardrail 6 can prevent accidental falling of the operator.

The working principle is as follows: the U-shaped working platform 5 is used for providing a standing place for workers, the escalator lifting mechanism 23 is used for lifting the U-shaped working platform 5 to a specified working height, and the moving frame 1 moves to a specified working position through the rolling mechanism 2 and the driving mechanism 3;

when the U-shaped working platform 5 is lifted, the hydraulic oil cylinder 8 extends out to jack the first folding rods 9 to be lifted upwards, so that the hinged vertical rods 13 of the escalator and the straight rods 12 of the escalator move relatively, the second folding rods 10 hinged with the first folding rods 9 are lifted upwards through the pedal pads 11, and the escalator formed by the vertical rods 13 of the escalator and the straight rods 12 of the escalator is also stretched;

after the vehicle ladder reaches a designated position and starts working, the electromagnetic blocks 20 can be electrified to generate huge relative suction force, so that the electromagnetic blocks 20 overcome the extension springs 21 between the electromagnetic blocks and are tightly adsorbed to each other, the brake disc 22 is firmly locked, the driving wheels 18 are fixed, and the vehicle ladder is prevented from moving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. Electrified railway connecting net overhauls with removing car ladder, including removing frame (1), its characterized in that: the escalator lifting mechanism is characterized in that an escalator lifting mechanism (23) is fixedly arranged on the upper end face of the moving vehicle frame (1), a U-shaped working platform (5) is fixedly arranged on the upper end of the escalator lifting mechanism (23), and a rolling mechanism (2) and a driving mechanism (3) are fixedly arranged on the lower end face of the moving vehicle frame (1) close to the front side and the rear side respectively.

2. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 1, which is characterized in that: staircase lifting mechanism (23) include hydraulic cylinder (8) and basic platform (24), basic platform (24) up end is provided with a plurality of folding rod (9) and No. two folding rod (10) by the articulated rear side position, folding rod (9) up end is articulated to be provided with a plurality of staircase montants (13), and is a plurality of it is articulated between staircase montant (13) to be provided with a plurality of staircase straight-bars (12), hydraulic cylinder (8) are articulated to be set up in position between moving vehicle frame (1) and No. two folding rod (10).

3. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 2, is characterized in that: a plurality of folding rod (9) upper end articulates respectively and sets up in U-shaped work platform (5) and leans on both sides position, and is a plurality of folding rod (9) lean on the upper end position all to articulate and be provided with support connecting rod (15), and is a plurality of support connecting rod (15) rear end is articulated with No. two folding rod (10) respectively and is set up, and is a plurality of support connecting rod (15) front end all articulates and is provided with connecting rod (14), and is a plurality of connecting rod (14) upper end is articulated with U-shaped work platform (5) respectively and is set up.

4. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 2, is characterized in that: a plurality of equidistant pedal backing plate (11) that is provided with between folding rod (9) and a plurality of folding rod (10) No. two, it is a plurality of both sides are articulated with folding rod (9) and folding rod (10) No. two respectively around pedal backing plate (11) sets up.

5. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 1, which is characterized in that: actuating mechanism (3) include double-end motor (17) and electromagnetic brake mechanism (16), double-end motor (17) and electromagnetic brake mechanism (16) all set up with moving frame (1) fixed connection, double-end motor (17) output end position is all fixed and is provided with drive wheel (18), and is a plurality of drive wheel (18) are close to double-end motor (17) one side position and all fixedly are provided with brake disc (22), and are a plurality of brake disc (22) set up with electromagnetic brake mechanism (16) swing joint respectively.

6. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 5, is characterized in that: electromagnetic brake mechanism (16) are including brake box (19), brake box (19) inside activity is provided with a plurality of electromagnetism pieces (20), and is a plurality of connect between electromagnetism piece (20) and be provided with extension spring (21), brake disc (22) run through brake box (19) outer wall and lead to position between a plurality of electromagnetism pieces (20).

7. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 1, which is characterized in that: the rolling mechanism (2) comprises a plurality of damping spring leaf groups (27), the damping spring leaf groups (27) are respectively and fixedly arranged at the position, close to the front side, of the lower end face of the moving frame (1), a plurality of rotating shafts (26) are fixedly arranged on the lower end face of the damping spring leaf groups (27), and rolling wheels (25) are arranged at two ends of each rotating shaft (26).

8. The mobile vehicle ladder for overhauling the overhead line system of the electrified railway of claim 1, which is characterized in that: the upper end face of the U-shaped working platform (5) is fixedly provided with a grid base plate (7), the upper end face of the U-shaped working platform (5) is close to the edge position and is fixedly provided with a platform guardrail (6), and the upper end face of the moving vehicle frame (1) is provided with a control console (4) close to the front position.

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