CN220031713U - Tooth-adjusting type backspacing device for current collector - Google Patents

Abstract

The utility model discloses a tooth-adjusting type backspacing device for a current collector, which relates to the technical field of rail transit current collectors and comprises a backspacing arm connected with a square shaft of the current collector, a backspacing mounting plate connected with the current collector, a tooth adjusting plate connected with the backspacing mounting plate, a rotating shaft connected with the tooth adjusting plate, a backspacing control part sleeved on the rotating shaft and used for locking the backspacing arm, and a torsion spring with two ends respectively clamped on the tooth adjusting plate and the backspacing control part and used for resetting the backspacing control part, wherein the backspacing mounting plate and the tooth adjusting plate are respectively provided with an adjusting tooth, the adjusting teeth of the backspacing mounting plate are meshed with the adjusting teeth of the tooth adjusting plate, and the backspacing mounting plate is provided with a bar-shaped hole used for adjusting the height of the tooth adjusting plate; the utility model can adjust the height of the carbon sliding shoe off-position without changing the rollback arm, has strong universality, is stable and reliable, does not need train personnel to go down to operate, and is convenient and quick.

Description

Tooth-adjusting type backspacing device for current collector

Technical Field

The utility model relates to the technical field of current collectors for rail transit, in particular to a tooth-adjusting type rollback device for a current collector.

Background

The current collector is mainly applied to a circuit of a third rail power supply mode and is arranged at the positions, close to the middle part outside the vehicle, of two sides of the vehicle bogie frame. When the device is used, the carbon sliding shoes are put down to be in contact with the three rails, the carbon sliding shoes are not used for being retracted, the carbon sliding shoes are separated from the three rails, namely the sliding shoes are taken off, and the sliding shoes are controlled to be put down and retracted, namely the retraction device.

Most of the existing rollback devices used on current collectors use the form of rollback arms and rollback control parts, the height of the carbon sliding boots is controlled by the angle of the square holes of the rollback arms, and the angle machine of the square holes of the rollback arms is fixed, so that only the rollback arms with different angles can be replaced if the height of the booted boots is required to be changed. When the height of the bootlace is to be finely adjusted or the requirement for the height of the bootlace is to be changed, the retraction arm needs to be replaced, so that the cost is high and the operation is very inconvenient.

Therefore, there is a need to design a tooth-adjusting type rollback device for a current collector to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the above problems in the prior art, the present utility model provides a tooth-adjusting type retraction device for a current collector, which can adjust the height of a carbon sliding shoe at which a retraction arm is not required to be replaced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a current collector is with transferring tooth formula back device, includes the back arm of being connected with the current collector square shaft, with the back mounting panel of being connected of current collector, with the accent pinion rack of transferring the pinion rack of being connected, connect accent pinion rack's pivot, suit be in pivot are used for locking the back control portion of back arm, both ends card respectively on transfer pinion rack and back control portion be used for the torsional spring that back control portion reset, all be equipped with the adjustment tooth on back mounting panel and the accent pinion rack, the adjustment tooth of back mounting panel with the adjustment tooth of transfer pinion rack intermesh, be equipped with on the back mounting panel and be used for adjusting transfer pinion rack height's bar hole.

Preferably, the tooth adjusting plate is provided with a stop card and a rotation limiting card for controlling the rotation angle of the back-off control part.

Preferably, the retraction control portion is provided with a protruding card that matches the stopper card and the rotation limit card.

Preferably, one end of the rotating shaft penetrates into the tooth adjusting plate and is fixedly connected with the tooth adjusting plate through a cylindrical pin.

Preferably, the retraction control portion includes a duckbill lever for locking the retraction arm and a reset pull lever for resetting the retraction arm.

By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:

1. according to the tooth-adjusting type backspacing device for the current collector, the tooth-adjusting plate and the backspacing mounting plate are provided with the plurality of adjusting teeth, the height of the tooth-adjusting plate can be adjusted according to the needs, the function of adjusting the height of the boot-removing position of the carbon sliding plate can be realized without replacing the backspacing arm, the universality is strong, and the carbon sliding plate is fixed through the strip-shaped holes on the backspacing mounting plate, so that the carbon sliding plate is stable and reliable;

2. the adjustable tooth type backspacing device for the current collector is locked in a downward pressing mode, is reset in a upward pulling mode, saves time and labor, is convenient to operate, can be installed in a turned mode, is locked in an upward pulling mode, and is reset in a downward pressing mode;

3. the tooth-adjusting type rollback device for the current collector can realize the boot removing operation of the current collector by using a manual tool at the position of a train door, does not need to be operated by train personnel to go down, and is convenient and quick.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is another exploded view of the present utility model;

wherein reference numerals include: the device comprises a retraction arm 1, a retraction mounting plate 2, a tooth adjusting plate 3, a rotating shaft 4, a retraction control part 5, a torsion spring 6, an adjusting tooth 7, a bolt 8, a bar-shaped hole 21, a stop clamp 31, a rotation stop clamp 32, a cylindrical pin 41, a cotter pin 42, a shaft sleeve 43, a convex clamp 51, a duckbill rod 52, a clamping nozzle 521 and a reset lifting rod 53.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It is noted that all of the figures are exemplary representations. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Referring to fig. 1 to 3, a tooth-adjusting type backspacing device for a current collector comprises a backspacing arm 1, a backspacing mounting plate 2, a tooth adjusting plate 3, a rotating shaft 4, a backspacing control part 5, a torsion spring 6, an adjusting tooth 7 and a bolt 8, wherein the backspacing arm 1 is mounted on a square shaft of the current collector and rotates along with the square shaft, the backspacing mounting plate 2 is fixed on a corresponding interface of the current collector through the bolt, the tooth adjusting plate 3 is connected with the backspacing mounting plate 2, the rotating shaft 4 penetrates into the tooth adjusting plate 3, the rotating shaft 4 is fixed on the tooth adjusting plate 3 through a hole of the tooth adjusting plate 3 and a hole of the rotating shaft 4 by an elastic cylindrical pin 41, the torsion spring 6 is sleeved on the rotating shaft 4, the shaft sleeve 43 is press-mounted into the backspacing control part 5, the backspacing control part 5 is sleeved on the rotating shaft 4 for locking the backspacing arm 1, two ends of the torsion spring 6 are respectively clamped on the tooth adjusting plate 3 and the backspacing control part 5 for resetting the backspacing control part 5, the backspacing control part 5 can rotate around the rotating shaft 4 by a certain angle, a protruding clamp 51 at a side end of the control part 5 is clamped by a clamp and a clamp pin 31 is rotated correspondingly, and a spacer is correspondingly clamped in the rotating shaft 4 is opened by a limit pin 42, and the opening is correspondingly limited by the rotating shaft 4, and the opening is opened by the limit pin 42.

The retraction control part 5 comprises a duckbill rod 52 for locking the retraction arm 1 and a reset lifting rod 53 for resetting the retraction arm 1, a certain rotation space is reserved at the matching position of the retraction control part 5 and the tooth adjusting plate 3, the retraction control part 5 rotates around the rotation shaft 4, the stop card 31 and the rotation limit card 32 on the tooth adjusting plate 3 limit the rotation angle, the torsion spring 6 is used for applying pressure to the retraction control part 5 to provide reset kinetic energy, the front end of the retraction arm 1 is clamped in the clamping mouth 521 at the front end of the duckbill rod 52 of the retraction control part 5 during boot removing, the reset lifting rod 53 is lifted, the front end of the retraction arm 1 is separated from the clamping mouth 521, and the torsion spring 6 enables the retraction control part 5 to reset.

The adjustable tooth plate is characterized in that the adjustable tooth plate 2 and the adjustable tooth plate 3 are respectively provided with an adjustable tooth 7, the adjustable tooth 7 of the adjustable tooth plate 2 is meshed with the adjustable tooth 7 of the adjustable tooth plate 3, the adjustable tooth plate 2 is provided with a strip-shaped hole 21 for adjusting the height of the adjustable tooth plate 3, the adjustable tooth plate 3 is adjusted to a required height, a bolt 8 sequentially penetrates into a gasket and the strip-shaped hole 21, and the adjustable tooth plate 3 is fixed on the adjustable tooth plate 2.

The working principle of the present utility model will be described below with reference to fig. 1 to 3.

When the current collector is separated from the third rail, only the current collector arm of the current collector is required to be pushed downwards, the current collector arm and the square shaft synchronously rotate to drive the rollback arm 1 of the device to rotate, the rollback control part 5 is pushed to move backwards when the rollback arm 1 rotates to the locking position quickly until the front end of the rollback arm 1 is clamped on the clamping mouth 521 at the front end of the duckbill rod 52, and the rollback control part 5 locks the rollback arm 1 under the action of the torsion spring 6, namely the current collector arm is also locked at a certain height to meet the requirement of separating from the third rail; lifting the reset lifting rod 53, separating the front end of the retraction arm 1 from the clamping mouth 521 at the front end of the duckbill rod 52, and resetting the retraction control part 5 by the torsion spring 6; the retraction device can adjust the height of the duckbill rod 52 of the retraction control part 5 by adjusting the meshing relationship of the adjusting teeth 7, thereby changing the locking position of the retraction arm 1, and simultaneously changing the boot removing height of the current receiving arm, so that the carbon sliding boot removing height can be adjusted without changing the retraction arm 1.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a current collector is with transferring tooth formula back device, its characterized in that includes the back arm of being connected with the current collector square shaft, with the back mounting panel of being connected of current collector, with the accent pinion rack of back mounting panel connection, connect the pivot of accent pinion rack, suit be in pivot are used for locking the back control division of back arm, both ends card respectively on accent pinion rack and back control division be used for the torsional spring that back control division resets, all be equipped with the adjustment tooth on back mounting panel and the accent pinion rack, the adjustment tooth of back mounting panel with the adjustment tooth interengagement of accent pinion rack, be equipped with on the back mounting panel and be used for adjusting the bar hole of accent pinion rack height.

2. The tooth-adjusting type backspacing device for a current collector according to claim 1, wherein a stop card and a rotation limit card for controlling a rotation angle of the backspacing control portion are provided on the tooth-adjusting plate.

3. The tooth-adjusting type retraction device for a current collector according to claim 2 wherein the retraction control portion is provided with a male clip matching the stop clip and the rotation limit clip.

4. The tooth-adjusting type backspacing device for a current collector according to claim 1, wherein one end of the rotating shaft penetrates into the tooth-adjusting plate and is fixedly connected through a cylindrical pin.

5. The tooth-adjusting type retracting device for a current collector according to claim 1, wherein the retracting control part comprises a duckbill rod for locking the retracting arm and a reset pulling rod for resetting the retracting arm.