Back-off device of horizontal current collector

Abstract

The utility model discloses a back-off device of a horizontal current collector, which relates to the technical field of rail transit current collectors and comprises a back-off pressing plate connected with a current collector support, a back-off support connected with the back-off pressing plate, a back-off control rod rotationally connected with the back-off support and a back-off clamping plate mounted on a current collecting arm. Tension spring hanging shafts are arranged on the rollback control rod and the rollback support respectively, tension springs are connected to the two sides of each tension spring hanging shaft respectively, adjusting teeth which are meshed with each other are arranged on the rollback pressing plate and the rollback support, and a strip-shaped hole used for adjusting the height is formed in the rollback support; according to the utility model, manual shoe stripping and closing of the horizontal current collector at the position of a vehicle door on a vehicle can be realized, a control rod is pulled down and back and then a current collecting arm is pressed down to realize shoe stripping operation, and a carbon sliding shoe is reset by pulling up and back control, so that time and labor are saved, the operation is convenient, the function of adjusting the height of the shoe stripping position of the carbon sliding shoe can be realized, the universality is strong, the stability and reliability are realized, and independent arrangement and independent control are realized; the pneumatic stripping boot and the manual stripping boot are independent of each other and do not influence each other.

Description

Technical Field

[0001] The utility model relates to the technical field of current collectors for rail transit, in particular to a retracting device for a horizontal current collector. Background Art

[0002] The current collector is mainly used in the third rail power supply line. It is installed on both sides of the vehicle bogie frame near the middle of the vehicle outer side. The horizontal current collector is installed on the bogie in a horizontal state. When it is in use, the carbon slipper is put down to contact and conduct with the third rail (i.e. the conductive rail), which is called "shoe closing". When not in use, the carbon slipper is put away, isolated and disconnected from the third rail, which is called "shoe removal". The device that controls the closing and disengaging of the carbon slipper is the retraction device.

[0003] At present, horizontal current collectors are divided into two types: pneumatic and manual. Pneumatic current collectors use cylinders to realize the engagement and disengagement of the carbon sliding boots of the current collector. At the same time, this type of current collector usually also has a manual operation function to deal with special situations. Manual current collectors use a manual tool plate to move the retraction device of the current collector to achieve the engagement and disengagement of the carbon sliding boots. However, whether it is pneumatic or manual horizontal current collectors, there is a common problem: they cannot realize manual operation of disengaging and engaging the boots directly on the vehicle. In actual operation, if a fault occurs, especially when the compressed air system fails and cannot provide air source for the pneumatic current collector, the pneumatic function will fail. At this time, if it is necessary to remove the boots on the vehicle, the traditional horizontal current collector with its own retraction structure will not be able to do it.

[0004] Therefore, it is necessary to design a retraction device for a horizontal current collector to improve the above problems. Utility Model Content

[0005] In view of the above problems in the prior art, the utility model provides a retraction device for a horizontal current collector, which can not only realize the disengagement and engagement operation of the horizontal current collector on the vehicle, but also flexibly adjust the height of the disengagement position, greatly improving the convenience and practicality of operation.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A retraction device for a horizontal current collector comprises a retraction pressure plate connected to a current collector bracket, a retraction support connected to the retraction pressure plate, a retraction control rod rotatably connected to the retraction support, and a retraction clamping plate installed on a current collecting arm of the current collector, the retraction control rod and the retraction support are respectively provided with a tension spring hanging shaft, tension springs are respectively connected to both sides of the tension spring hanging shaft, the retraction pressure plate and the retraction support are provided with mutually meshing adjustment teeth, and the retraction support is provided with a strip hole for adjusting the height.

[0008] As a preferred embodiment of the present invention, a pull ring is provided at one end of the retraction control rod.

[0009] As a preferred embodiment of the utility model, a U-shaped groove is provided on the retraction support, and the retraction control rod rotates in the U-shaped groove.

[0010] As a preferred embodiment of the utility model, an arc groove is provided on the retraction control rod, and the arc groove contacts with the tension spring hanging shaft to limit the retraction control rod.

[0011] As a preferred embodiment of the present invention, the retraction control rod is connected to the retraction support through a rotating shaft.

[0012] As a preferred embodiment of the present invention, a shaft sleeve is provided outside the rotating shaft.

[0013] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a retraction device for a horizontal current collector, which can realize the manual disengagement of the horizontal current collector at the door position on the vehicle. The boot is removed by pulling down the retraction control lever and then pressing down the current collecting arm. The carbon sliding shoe is reset by pulling up the retraction control lever, which saves time and effort and is easy to operate.

[0015] 2. The utility model provides a retraction device for a horizontal current collector. The retraction support and the retraction pressure plate are provided with a plurality of adjustment teeth. The height of the adjustment tooth plate can be adjusted as needed, thereby realizing the function of adjusting the height of the carbon sliding shoe removal position. The utility model has strong versatility and is fixed through the strip holes on the adjustment tooth plate, which is stable and reliable.

[0016] 3. The retraction device of a horizontal current collector of the utility model is independently arranged and can be controlled separately. The pneumatic disengagement boot and the manual disengagement boot are independent of each other and do not affect each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other purposes and results of the present invention will become more clear and easy to understand. In the accompanying drawings:

[0018] Figure 1 It is an axonometric drawing of the utility model;

[0019] Figure 2 It is another axonometric view of the utility model;

[0020] Figure 3 It is a front view of the utility model;

[0021] Figure 4 It is a top view of the utility model;

[0022] Figure 5 yes Figure 4 Middle AA section view;

[0023] Figure 6It is an axonometric drawing of the application of the utility model;

[0024] The reference numerals therein include: retraction pressure plate 1, retraction support 2, retraction control rod 3, retraction clamping plate 4, tension spring hanging shaft 5, tension spring 6, adjustment tooth 7, current collecting arm 8, carbon sliding shoe 9, strip hole 21, U-shaped groove 22, pull ring 31, arc groove 32, rotating shaft 33, and shaft sleeve 34. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. It should be pointed out that all the drawings are exemplary representations. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The present invention will be further described in detail below through specific implementation examples in conjunction with the accompanying drawings.

[0029] Reference Figures 1 to 6, a retraction device for a horizontal current collector comprises a retraction pressure plate 1, a retraction support 2, a retraction control rod 3, and a retraction card plate 4. The retraction pressure plate 1 is fixedly connected to the current collector bracket, the retraction support 2 is connected to the retraction pressure plate 1 and can adjust the height, the retraction control rod 3 is rotatably connected to the retraction support 2, a U-shaped groove 22 is provided on the retraction support 2, the retraction control rod 3 is connected to the retraction support 2 through a rotating shaft 33, a shaft sleeve 34 is provided outside the rotating shaft 33, the shaft sleeve 34 is interference pressed into the corresponding hole of the retraction control rod 3, the retraction control rod 3 rotates in the U-shaped groove 22 by the rotating shaft 33, a pull ring 31 is provided at one end of the retraction control rod 3, and the other end is connected to the retraction card plate 4, the retraction card plate 4 is installed on the current collecting arm 8 of the current collector and rotates with the current collecting arm 8, when the retraction control rod 3 is clamped with the retraction card plate 4 (refer to Figure 6 ), the current collector shoe removal operation is realized. When the retraction control rod 3 is away from the retraction card plate 4, the current collector is in working state, that is, the carbon sliding shoe 9 is engaged with the three-rail power receiving rail.

[0030] One tension spring hanging shaft 5 is pressed into the corresponding hole of the retraction control rod 3 through interference, and the other tension spring hanging shaft 5 is pressed into the retraction support 2 through interference. Tension springs 6 are respectively connected to the two sides of the tension spring hanging shaft 5. The retraction control rod 3 is V-shaped. The retraction control rod 3 can control the fixed position of the retraction control rod 3 under the tension of the two tension springs 6.

[0031] The retraction pressure plate 1 and the retraction support 2 are provided with mutually meshing adjustment teeth 7, and the retraction support 2 is provided with a strip hole 21 for adjusting the height. The relative position of the retraction pressure plate 1 and the retraction support 2 can be adjusted through the strip hole 21, thereby adjusting the height of the retraction support 2.

[0032] An arc groove 32 is provided on the retraction control rod 3 , and the arc groove 32 contacts the tension spring hanging shaft 5 on the retraction support 2 to limit the retraction control rod 3 .

[0033] The following will refer to Figures 1 to 6 The working principle of the utility model is described.

[0034] The retraction control rod 3 rotates around the rotating shaft 33, and the shaft sleeve 34 is installed in the middle to reduce friction. The retraction control rod 3 rotates in the U-shaped groove 22 of the retraction support 2. When the retraction control rod 3 rotates clockwise, it will stop at the bottom edge of the U-shaped groove 22, that is, the upper clamping position. At this time, the retraction control rod 3 is away from the retraction clamping plate 4. In the upper clamping position state, the current collector is in a working state, that is, the carbon slipper 9 is engaged with the three-rail power receiving rail.

[0035] When the retraction control rod 3 rotates counterclockwise, the arc groove 32 of the retraction control rod 3 touches the tension spring hanging shaft 2 on the retraction support 2 and stops, that is, the lower locking position. The pull ring 31 of the retraction control rod 3 is moved up and down, and the retraction control rod 3 rotates. Under the tension of the two tension springs 6, the retraction control rod 3 can be fixed in the upper locking position or the lower locking position.

[0036] The retraction card plate 4 is installed on the current collecting arm 8 of the current collector and rotates with the current collecting arm 8. When the current collector is in working state, that is, when the carbon sliding shoe 9 is engaged with the three-rail power collecting rail, the retraction control is in the upper clamping position; when the carbon sliding shoe 9 is separated from the third rail, the pull ring 31 of the retraction control rod 3 is first pushed downward to make the retraction control rod 3 in the lower clamping position, and then the current collecting arm 8 of the current collector is pushed to rotate downward until it passes the tail end of the retraction control rod 3 (the end away from the pull ring 31). The tail end of the retraction control rod 3 automatically rebounds under the tension of the tension spring 6, and the retraction card plate 4 is clamped with the retraction control rod 3 (refer to Figure 6 ), that is, the shoe-off operation of the current collector is realized; use the retraction tool to pull the pull ring 31 of the retraction control rod 3, the tail end of the retraction control rod 3 is separated from the retraction clamping plate 4, the current collecting arm 8 has its own rebound force, the current collecting arm 8 of the current collector moves upward, and the carbon sliding shoe 9 is engaged with the three-rail power collecting rail to complete the shoe closing operation.

[0037] The retraction device can adjust the height of the retraction control rod 3 by adjusting the meshing relationship of the adjustment tooth 7, thereby changing the locking position with the retraction card plate 4, and at the same time changing the shoe removal height of the current collecting arm 8, so as to achieve adjustable shoe removal height. The utility model can not only realize the shoe removal operation of the horizontal current collector on the vehicle, but also flexibly adjust the height of the shoe removal position, which greatly improves the convenience and practicality of operation.

[0038] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A retraction device for a horizontal current collector, characterized in that: It includes a retraction pressure plate connected to the current collector bracket, a retraction support connected to the retraction pressure plate, a retraction control rod rotatably connected to the retraction support, and a retraction clamping plate installed on the current collecting arm of the current collector. The retraction control rod and the retraction support are respectively provided with tension spring hanging shafts, and tension springs are respectively connected to the two sides of the tension spring hanging shaft. The retraction pressure plate and the retraction support are provided with adjusting teeth that mesh with each other, and the retraction support is provided with a strip hole for adjusting the height.

2. A retraction device for a horizontal current collector according to claim 1, characterized in that: A pull ring is provided at one end of the retraction control rod.

3. The retraction device of a horizontal current collector according to claim 1, characterized in that: A U-shaped groove is arranged on the retreat support, and the retreat control rod rotates in the U-shaped groove.

4. The retraction device of a horizontal current collector according to claim 1, characterized in that: An arc groove is arranged on the retraction control rod, and the arc groove contacts with the tension spring hanging shaft to limit the retraction control rod.

5. The retraction device of a horizontal current collector according to claim 1, characterized in that: The retraction control rod is connected with the retraction support through a rotating shaft.

6. The retraction device of a horizontal current collector according to claim 1, characterized in that: A shaft sleeve is arranged outside the rotating shaft.

Images