Magnetic suspension current collection rail lifting device

Abstract

The utility model discloses a magnetic suspension current collecting rail lifting device, which relates to the technical field of magnetic suspension rail traffic line maintenance and comprises a mounting frame and a lifting mechanism, the lifting mechanism is arranged on the mounting frame and used for driving a current collecting rail to move in the vertical direction, the lifting mechanism comprises a winch and a steel wire rope, the winch is rotatably arranged on the mounting frame, and the steel wire rope is arranged on the winch. A hook is fixedly connected to one end of the steel wire rope, and the hook is used for being connected with a current collection rail; the screw rod is movably arranged on the mounting frame, the pulley is fixedly arranged at one end of the screw rod, and the steel wire rope is in sliding connection with the pulley; when the winch rotates, the current collecting rail can be driven to move in the vertical direction, the lead screw can move in the horizontal direction, and therefore the rising and falling position of the current collecting rail is adjusted. The magnetic suspension current collection rail lifting device is convenient to install, easy to operate and capable of achieving safe lifting of a magnetic suspension line current collection rail, improving the working efficiency and guaranteeing the personal safety of personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the magnetic suspension rail transit line maintenance technical field, especially a kind of magnetic suspension current collection rail lifting device. BACKGROUND

[0002] As a new urban rail transit tool, Changsha magnetic suspension line has been in safe operation for several years, and the maintenance of magnetic suspension line is increasingly urgent. This line is in the shape of "F", and most of the line is elevated. The current collection rail is arranged on the upper part of the pedestal, and most of the rail current collection rail surface is in the suspended area about 20m away from the ground. During the line laying stage, the construction party adopts the following method: first, a simple tool that can roll across the rail is hoisted to the upper part of the rail by a crane, personnel climb to the current collection rail position on the tool to disassemble, and the installed or disassembled current collection rail is tied to the lifting tool by artificial, and then hoisted to the installation point or ground by crane. However, after the line is formally put into operation, the crane cannot access some areas, the efficiency is low, and the safety of personnel cannot be guaranteed by using this method, so it is not suitable for the maintenance and hoisting of the current collection rail. Therefore, there are still defects and deficiencies in the prior art. SUMMARY

[0003] The utility model aims at providing a kind of magnetic suspension current collection rail lifting device, solve the current collection rail installation and disassembly mode low work efficiency, there is the technical problem of security risk.

[0004] To achieve the above-mentioned purpose, the utility model provides a kind of magnetic suspension current collection rail lifting device, comprising:

[0005] mounting frame;

[0006] lifting mechanism, is located in the mounting frame, is used to drive current collection rail to move in vertical direction, the lifting mechanism includes winch and steel wire rope, the winch is rotatably arranged on the mounting frame, the steel wire rope is wound on the winch, one end of the steel wire rope is fixedly connected with hook, and the hook is used to be connected with current collection rail;

[0007] It also includes lead screw and pulley, the lead screw is movably arranged on the mounting frame, the pulley is fixedly arranged on one end of the lead screw, and the steel wire rope is slidably connected with the pulley;

[0008] Among them, the winch can drive the current collection rail to move in vertical direction when rotating, and the lead screw can move linearly in horizontal direction, so as to adjust the lifting position of the current collection rail.

[0009] Preferably, the lifting mechanism further includes mounting plate, and the mounting plate is fixedly arranged on the top of the mounting frame by fastener.

[0010] Preferably, a first rotating shaft is rotatably connected to the mounting plate, and the winch is fixedly connected to the first rotating shaft.

[0011] Preferably, a first driving device is connected to one end of the first rotating shaft, and the first driving device is a rocker or a motor.

[0012] Preferably, a limiting mechanism is further included, and the limiting mechanism includes:

[0013] A first gear is arranged on the first rotating shaft and fixedly connected to the first rotating shaft.

[0014] A second rotating shaft is rotatably connected to the mounting plate.

[0015] A second gear is arranged on the second rotating shaft and fixedly connected to the second rotating shaft, and the second gear is engaged with the first gear.

[0016] A third rotating shaft is rotatably connected to the mounting plate.

[0017] A limiting block is arranged on the third rotating shaft and fixedly connected to the third rotating shaft, and the limiting block can be clamped between two gear teeth on the second gear.

[0018] Preferably, the third rotating shaft is arranged in parallel with the second rotating shaft.

[0019] Preferably, a mounting seat is further included, and the mounting seat is fixedly arranged on the side surface of the mounting frame by a fastener.

[0020] Preferably, a transmission mechanism is arranged on the mounting seat, and the transmission mechanism includes a worm gear and a worm, the worm is rotatably arranged on the mounting seat, the worm gear is sleeved outside the screw rod, the worm gear is threadedly connected to the screw rod, and the worm gear is engagedly connected to the worm.

[0021] Preferably, a second driving device is connected to one end of the worm, and the second driving device is a motor or a handle.

[0022] Preferably, the fastener is a bolt.

[0023] With respect to the prior art, the magnetic suspension current collection rail lifting device is convenient to install, can improve the working efficiency of the current collection rail installation and disassembly, the winch is driven to rotate through the rotation of the rocker, so that the steel wire rope on the winch is reeled in and out, the current collection rail is lifted in the vertical direction, and the operation is simple; the handle can drive the screw rod to move linearly in the horizontal direction, the lifting position of the current collection rail is adjusted through the contact of the pulley and the steel wire rope, and interference of the current collection rail in the lifting process is avoided; with the rotation of the third rotating shaft, the limiting block in the limiting mechanism can be clamped between the two teeth on the second gear, a limiting and fixing effect is achieved, the second gear is prevented from rotating, the winch is limited and fixed due to the meshing of the second gear and the first gear, the winch is prevented from continuing to rotate after the current collection rail is lifted into position, and the personal safety of the staff is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by the provided drawings without creative labor for those skilled in the art.

[0025] Figure 1 A front view of the magnetic suspension current collection rail lifting device provided by the embodiments of the present application;

[0026] Figure 2 A top view of the magnetic suspension current collection rail lifting device provided by the embodiments of the present application;

[0027] Figure 3 A structure schematic view of the lifting mechanism and the limiting mechanism in the magnetic suspension current collection rail lifting device;

[0028] Figure 4 A structure schematic view of the adjusting mechanism in the magnetic suspension current collection rail lifting device;

[0029] Figure 5 An installation schematic view of the magnetic suspension current collection rail lifting device provided by the embodiments of the present application.

[0030] Figures 1 to 5 The reference signs in the drawings: 100, magnetic suspension current collection rail lifting device; 10, mounting frame; 20, lifting mechanism; 21, mounting plate; 22, first rotating shaft; 23, winch; 24, steel wire rope; 25, hook; 26, rocker; 30, adjusting mechanism; 31, mounting seat; 32, screw rod; 33, pulley; 34, handle; 40, limiting mechanism; 41, first gear; 42, second rotating shaft; 43, second gear; 44, third rotating shaft; 45, limiting block; 200, maintenance platform. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0032] In order for those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0033] The magnetic suspension current collection rail lifting device 100 is convenient to install and easy to operate, can realize safe hoisting of the magnetic suspension line current collection rail, and can ensure personal safety of personnel.

[0034] Referring to Figures 1 to 2 The magnetic suspension current collection rail lifting device 100 comprises a mounting frame 10, a lifting mechanism 20 and an adjusting mechanism 30. The lifting mechanism 20 and the adjusting mechanism 30 are both fixedly arranged on the mounting frame 10. The lifting mechanism 20 is used to drive the current collection rail to move in the vertical direction, and the adjusting mechanism 30 is used to adjust the lifting position of the current collection rail.

[0035] The mounting frame 10 is substantially in a rectangular structure. The lifting mechanism 20 is fixedly arranged on the top of the mounting frame 10, and the adjusting mechanism 30 is fixedly arranged on the side of the mounting frame 10.

[0036] Referring to Figures 1 to 3 The lifting mechanism 20 comprises a mounting plate 21, a first rotating shaft 22, a winch 23 and a steel wire rope 24. The winch 23 is rotatably arranged on the mounting frame 10.

[0037] Referring to Figures 1 to 3 The mounting plate 21 is substantially in a U-shaped plate structure. The mounting plate 21 is fixedly connected to the top of the mounting frame 10 by fasteners. The first rotating shaft 22 is rotatably connected to the mounting plate 21. The winch 23 is fixedly connected to the first rotating shaft 22. The steel wire rope 24 is wound on the winch 23. One end of the steel wire rope 24 is fixedly connected with a hook 25. The hook 25 is used to be connected with the current collection rail. In this embodiment, the fasteners are bolts.

[0038] One end of the first rotating shaft 22 is connected with a first driving device. The first driving device is used to drive the first rotating shaft 22 to rotate, so as to drive the winch 23 to rotate. The lifting of the current collection rail is realized through the connection between the hook 25 and the current collection rail.

[0039] In the embodiment, the first driving device is a rocker 26, the rocker 26 is fixedly connected with the first rotating shaft 22, and the first rotating shaft 22 is driven to rotate by rotating the rocker 26. In other embodiments, the first driving device can be a motor, the output shaft of the motor is fixedly connected with the first rotating shaft 22, and the first rotating shaft 22 is driven to rotate by the motor.

[0040] Please refer to Figures 1 to 3 The magnetic suspension current collection rail landing device 100 further comprises a limiting mechanism 40, the limiting mechanism 40 is used for limiting the rotation of the capstan 23, and the capstan 23 is prevented from continuing to rotate after the current collection rail is landed in place.

[0041] Please refer to Figure 3 The limiting mechanism 40 comprises a first gear 41, a second rotating shaft 42, a second gear 43, a third rotating shaft 44 and a limiting block 45. The first gear 41 is arranged on the first rotating shaft 22, and the first gear 41 is fixedly connected with the first rotating shaft 22; the second rotating shaft 42 is rotatably connected with the mounting plate 21, the second gear 43 is arranged on the second rotating shaft 42, and the second gear 43 is fixedly connected with the second rotating shaft 42; the second gear 43 is engaged with the first gear 41;

[0042] The third rotating shaft 44 is arranged in parallel with the second rotating shaft 42, the third rotating shaft 44 is rotatably connected with the mounting plate 21, the limiting block 45 is arranged on the third rotating shaft 44, and the limiting block 45 is fixedly connected with the third rotating shaft 44. With the rotation of the third rotating shaft 44, the limiting block 45 can be clamped between two gear teeth on the second gear 43, thereby limiting and fixing the second gear 43 from rotating, and the capstan 23 is limited and fixed from rotating due to the engagement between the second gear 43 and the first gear 41, so that the capstan 23 is prevented from continuing to rotate after the current collection rail is landed in place.

[0043] Please refer to Figure 1 、 Figure 2 and Figure 4 The adjusting mechanism 30 comprises a mounting seat 31, a lead screw 32 and a pulley 33, the lead screw 32 is movably arranged on the mounting frame 10, wherein the capstan 23 can drive the current collection rail to move in the vertical direction when the capstan 23 rotates, and the lead screw 32 can move linearly in the horizontal direction, so that the landing position of the current collection rail is adjusted.

[0044] Specifically, the mounting seat 31 is fixedly connected to the side surface of the mounting frame 10 through fasteners, the lead screw 32 is movably arranged on the mounting seat 31, the pulley 33 is fixedly connected to one end of the lead screw 32, and the steel wire rope 24 is slidably connected with the pulley 33. In the embodiment, the fasteners are bolts.

[0045] In some embodiments, a transmission mechanism is provided on the mounting seat 31, and the transmission mechanism includes a worm wheel and a worm. The worm is rotatably provided on the mounting seat 31, and the worm wheel is sleeved outside the screw rod 32. The worm wheel is threadedly connected to the screw rod 32, and the worm wheel is meshed with the worm.

[0046] With this arrangement, as the worm rotates, the worm wheel rotates. Since the worm wheel is threadedly connected to the screw rod 32, the worm wheel drives the screw rod 32 to move linearly in the horizontal direction.

[0047] In addition, the worm is provided with a second drive mechanism, which drives the worm to rotate, thereby driving the screw 32 to move linearly in the horizontal direction. In this embodiment, the second drive mechanism is a handle 34 connected to one end of the worm. During use, turning the handle 34 drives the worm to rotate. In other embodiments, the second drive mechanism may be a motor, with the motor's output shaft connected to one end of the worm, so that the motor drives the worm to rotate.

[0048] The installation process of the magnetic levitation current collecting rail lifting and landing device 100 provided by the present invention is as follows:

[0049] Please refer to Figure 5 The magnetic levitation current collecting rail landing device 100 is installed on the maintenance platform 200. The mounting frame 10 is fixedly connected to the maintenance platform 200 by fastening bolts. There are multiple mounting positions on both sides of the maintenance platform 200. The magnetic levitation current collecting rail landing device 100 is installed at the mounting position of the maintenance platform 200. Different mounting positions are selected according to the length of the current collecting rail and the location of inspection and maintenance.

[0050] When the magnetic levitation current collecting rail lifting and lowering device 100 is used to remove the old current collecting rail, the removal process is mainly as follows:

[0051] First, the maintenance platform 200 moves to the front end of the current-receiving rail maintenance area. Two sets of landing gears are arranged according to the position and size of the current-receiving rail to be maintained. The rockers 26 of the two landing gears are shaken respectively. The rocker 26 drives the winch 23 to rotate, and the wire rope 24 is lengthened as the winch 23 rotates. Secondly, the hook 25 is fixed to the current-receiving rail, and all the fixing points of the current-receiving rail are removed in turn. At this time, the current-receiving rail is supported by the landing gear. Then, the handle 34 is turned. As the handle 34 is turned, the screw rod 32 extends in a straight line in the horizontal direction, moving the current-receiving rail to the far end position, thereby adjusting the lifting and lowering position of the current-receiving rail and avoiding interference with the current-receiving rail during subsequent vertical movement. Finally, the rocker 26 is shaken, the wire rope 24 is retracted, and the current-receiving rail is raised above the floor surface. The handle 34 is turned to retract the screw rod 32, and the current-receiving rail is placed on the rail fixing seat. The removal is completed.

[0052] When a new current collecting rail is installed using the magnetic levitation current collecting rail lifting and lowering device 100, the installation process is mainly as follows:

[0053] Turning the handle 34 of the two sets of lifting devices, the lead screw 32 is extended, driving the pulley 33 to the far end lifting point, adjusting the lifting position of the current collector rail; shaking the rocker 26, the new current collector rail is moved in the vertical direction and landed on the mounting point; turning the handle 34 makes the lead screw 32 retract, thereby moving the current collector rail to the current collector rail fixing point; the staff completes the fastening of all fixing points of the current collector rail in turn, and the installation is completed.

[0054] The magnetic suspension current collector rail lifting device 100 provided by the utility model is installed above the line maintenance platform 200, when the maintenance platform 200 moves to the specified position, the maintenance personnel moves to the track below through the safety ladder on the maintenance platform 200, other maintenance personnel on the vehicle hoists the current collector rail to the installation position or hoists the dismantled current collector rail to the line maintenance vehicle through the current collector rail lifting device, the operator can work on the vehicle, the personal safety is guaranteed, the safe hoisting of the magnetic suspension line current collector rail can be realized, and the lifting device is convenient to install, easy to operate and can greatly improve the work efficiency.

[0055] It should be noted that in the present specification, relational terms such as first and second are used solely to distinguish one entity from another without necessarily requiring or implying any actual relationship or order between or among such entities.

[0056] The principle and implementation mode of the utility model are described by applying specific examples in the present document, and the above embodiment description is only used to help understand the method of the utility model and its core idea. It should be pointed out that for ordinary skilled personnel in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model.

Claims

1. A magnetic levitation current collecting rail lifting and landing device, characterized in that: include: Mounting rack; a lifting and lowering mechanism, provided on the mounting frame, for driving the current collecting rail to move in a vertical direction, the lifting and lowering mechanism comprising a winch and a steel wire rope, the winch being rotatably provided on the mounting frame, the steel wire rope being wound around the winch, one end of the steel wire rope being fixedly connected to a hook, the hook being used to connect to the current collecting rail; It also includes a screw rod and a pulley, wherein the screw rod is movably arranged on the mounting frame, the pulley is fixedly arranged on one end of the screw rod, and the steel wire rope is slidably connected to the pulley; When the winch rotates, it can drive the current collecting rail to move in the vertical direction, and the screw rod can move in a straight line in the horizontal direction, thereby adjusting the rising and falling position of the current collecting rail.

2. The magnetic levitation current collecting rail lifting and landing device according to claim 1, characterized in that: The lifting and lowering mechanism further comprises a mounting plate, which is fixed to the top of the mounting frame by fasteners.

3. The magnetic levitation current collecting rail lifting and landing device according to claim 2, characterized in that: A first rotating shaft is rotatably connected to the mounting plate, and the winch is fixedly connected to the first rotating shaft.

4. The magnetic levitation current collecting rail lifting and landing device according to claim 3, characterized in that: One end of the first rotating shaft is connected to a first driving device, which is a rocker or a motor.

5. The magnetic levitation current collecting rail lifting and landing device according to claim 3, characterized in that: It also includes a limiting mechanism, which includes: a first gear, disposed on the first rotating shaft and fixedly connected to the first rotating shaft; a second rotating shaft, rotatably connected to the mounting plate; a second gear, disposed on the second rotating shaft, fixedly connected to the second rotating shaft, and meshing with the first gear; a third rotating shaft, rotatably connected to the mounting plate; The limiting block is provided on the third rotating shaft, is fixedly connected to the third rotating shaft, and can be engaged between two gear teeth on the second gear.

6. The magnetic levitation current collecting rail lifting and landing device according to claim 5, characterized in that: The third rotating shaft is arranged parallel to the second rotating shaft.

7. The magnetic levitation current collecting rail lifting and landing device according to claim 1, characterized in that: It also includes a mounting seat, which is fixed to the side of the mounting frame through fasteners.

8. The magnetic levitation current collecting rail lifting and landing device according to claim 7, characterized in that: A transmission mechanism is provided on the mounting seat, and the transmission mechanism includes a worm wheel and a worm. The worm is rotatably provided on the mounting seat, the worm wheel is sleeved outside the screw, the worm wheel is threadedly connected to the screw, and the worm wheel is meshed with the worm.

9. The magnetic levitation current collecting rail lifting and landing device according to claim 8, characterized in that: One end of the worm is connected to a second driving device, which is a motor or a handle.

10. The magnetic levitation current collecting rail lifting and landing device according to claim 2 or claim 7, characterized in that: The fastener is a bolt.

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