阅读说明：本技术 一种转辙机表示机构 (Point switch indicating mechanism ) 是由 李均武 篑凯腾 王宏亮 王礼俊 李金海 于 2019-11-05 设计创作，主要内容包括：本公开一些实施方案中提供的一种转辙机表示机构,包括座体,在座体上设置有动接点和静接点,在座体上还设置有驱动机构,驱动机构驱动动接点与静接点配合,在驱动机构包括速动爪、弹簧和滑移器,滑移器通过速动爪带动动接点移动,进而实现动接点与静接点配合或脱离,弹簧使速动爪的一端与轨道接触,提高了速动爪的动作精度,进而提高了动接点的动作精度,本方案公开的转辙机表示机构结构简单、降低了表示机构的使用成本。(The switch machine indicating mechanism comprises a base body, wherein a movable contact and a fixed contact are arranged on the base body, a driving mechanism is further arranged on the base body and drives the movable contact to be matched with the fixed contact, the driving mechanism comprises a quick-moving claw, a spring and a sliding device, the sliding device drives the movable contact to move through the quick-moving claw, and then the movable contact and the fixed contact are matched or separated, one end of the quick-moving claw is contacted with a track through the spring, the action precision of the quick-moving claw is improved, and further the action precision of the movable contact is improved.)

1. A switch machine indicating mechanism comprises a base body (4), wherein a movable contact (13) is arranged on the base body (4), a static contact (14) matched with the movable contact (13) is also arranged on the base body (4), and the switch machine indicating mechanism is characterized in that: the base body (4) is further provided with a driving mechanism for driving the movable contact (13) and the fixed contact (14) to be matched, the driving mechanism comprises a quick-moving claw (10), a spring (7) and a slider, the quick-moving claw (10) is rotationally connected to the base body (4), the movable contact (13) is fixed on the quick-moving claw (10), the slider is provided with a track for controlling the action track of the quick-moving claw (10), the slider moves along the base body (4) to control the action of the quick-moving claw (10) and enable the movable contact (13) to be in contact with or separated from the fixed contact (14), the spring (7) is connected with the quick-moving claw (10), and one end of the quick-moving claw (10) is in contact with the track by the spring (7).

2. The switch machine indicating mechanism of claim 1, wherein: the number of the quick-acting claws (10) is two, the spring (7) is arranged between the two quick-acting claws (10), one end of the spring (7) is connected with one quick-acting claw (10), and the other end of the spring (7) is connected with the other quick-acting claw (10).

3. The switch machine indicating mechanism of claim 2, wherein: the track comprises a first inclined surface for controlling the action track of one quick-acting claw (10) and a second inclined surface for controlling the action track of the other quick-acting claw (10), and a horizontal plane is arranged between the first inclined surface and the second inclined surface.

4. The switch machine indicating mechanism of claim 1, wherein: the glider further comprises a connecting rod (1) and a starting strip (8), the connecting rod (1) is fixedly connected with the starting strip (8), and the connecting rod (1) drives the starting strip (8) to reciprocate.

5. The switch machine indicating mechanism of claim 4, wherein: the track is arranged on the starting strip (8) and is one of the side surfaces of the starting strip (8).

6. The switch machine indicating mechanism of claim 5, wherein: the glider further comprises a follower bar (12), and the starting bar (8) moves synchronously with the follower bar (12).

7. The switch machine indicating mechanism of claim 1, wherein: the switch indication mechanism further comprises a cover body (2), the cover body (2) is provided with an accommodating cavity, the cover body (2) is covered on the base body (4), the movable contact (13) and the static contact (14) are both located in the accommodating cavity, one part of the driving mechanism is located in the accommodating cavity, and a sealing gasket (3) is arranged between the cover body (2) and the base body (4).

8. The switch machine indicating mechanism of claim 1, wherein: and the quick-acting claw (10) is provided with a roller for reducing the friction force between the quick-acting claw (10) and the track.

9. The switch machine indicating mechanism of claim 8, wherein: the roller is rotationally connected to the quick-moving claw (10).

10. The switch machine indicating mechanism of claim 9, wherein: the roller is rotationally connected to the quick-acting claw (10) through a wheel shaft, and a rolling bearing is arranged between the quick-acting claw (10) and the wheel shaft.

Technical Field

The present disclosure relates to the field of tram accessories, and more particularly, to a switch machine indicating mechanism.

Background

The point switch is the core and main body of the railway turnout conversion system and is used for drawing the turnout to complete the conversion and locking processes. But conventional switch machines are not suitable for rubber-tyred trams. The indicating mechanism is a core mechanism in the switch machine and has the function that after the switch of the switch is completed by the switch machine, the switching motor loop simultaneously feeds back the switch indicating state to the control system.

Disclosure of Invention

The present disclosure provides a switch machine indication mechanism, which simplifies the structure of the indication mechanism and reduces the use cost of the indication mechanism.

A point switch indicating mechanism comprises a base body, wherein a movable contact is arranged on the base body, a fixed contact matched with the movable contact is also arranged on the base body, a driving mechanism for driving the movable contact to be matched with the fixed contact is also arranged on the base body, the driving mechanism comprises a quick-acting claw, a spring and a slider, the quick-acting claw is rotationally connected onto the base body, the movable contact is fixed on the quick-acting claw, a track for controlling the action track of the quick-acting claw is arranged on the slider, the slider moves along the base body so as to control the action of the quick-acting claw and enable the movable contact to be contacted with or separated from the fixed contact, the spring is connected with the quick-acting claw, and one end of the quick-acting claw is contacted with the track through the spring.

The switch machine indicating mechanism comprises a base body, wherein a movable contact and a fixed contact are arranged on the base body, a driving mechanism is further arranged on the base body and drives the movable contact to be matched with the fixed contact, the driving mechanism comprises a quick-moving claw, a spring and a sliding device, the sliding device drives the movable contact to move through the quick-moving claw, and then the movable contact and the fixed contact are matched or separated, one end of the quick-moving claw is contacted with a track through the spring, the action precision of the quick-moving claw is improved, and further the action precision of the movable contact is improved.

Preferably, the number of the quick-acting claws is two, the spring is arranged between the two quick-acting claws, one end of the spring is connected with one quick-acting claw, and the other end of the spring is connected with the other quick-acting claw.

The spring is positioned between the two quick-acting claws, and an independent supporting mechanism is not required to be arranged on the spring, so that the structure of the switch machine indicating mechanism is simplified.

Preferably, the track comprises a first inclined surface for controlling the action track of one quick-acting claw and a second inclined surface for controlling the action track of the other quick-acting claw, and a horizontal plane is arranged between the first inclined surface and the second inclined surface.

The arrangement of the first inclined plane and the second inclined plane simplifies the structure of the track and improves the action precision of the movable contact.

Preferably, the glider further comprises a connecting rod and a starting bar, the connecting rod is fixedly connected with the starting bar, and the connecting rod drives the starting bar to reciprocate.

The arrangement of the connecting rods and the starting bars optimizes the operating performance of the switch machine indicating mechanism.

Preferably, the rail is disposed on the starting strip, and the rail is one of the side surfaces of the starting strip.

The structure of the switch machine indicating mechanism is simplified, and the use cost of the switch machine indicating mechanism is reduced.

Preferably, the glider further comprises a follower bar, and the start bar moves synchronously with the follower bar.

Preferably, the switch indication mechanism further includes a cover body, the cover body has an accommodating cavity, the cover body is covered on the base body, the movable contact and the stationary contact are both located in the accommodating cavity, a part of the driving mechanism is located in the accommodating cavity, and a sealing gasket is arranged between the cover body and the base body.

The sealing gasket is arranged, so that the cover body and the base body have waterproof capacity, and the performance of the switch machine indicating mechanism is optimized.

Preferably, the quick-acting pawl is provided with a roller for reducing friction between the quick-acting pawl and the rail.

The arrangement of the roller reduces the friction coefficient between the quick-acting claw and the rail, and prolongs the use cost of the quick-acting claw and the rail.

Preferably, the roller is rotatably connected to the quick-acting pawl.

Preferably, the roller is rotatably connected to the quick-acting pawl through a wheel shaft, and a rolling bearing is arranged between the quick-acting pawl and the wheel shaft.

The arrangement of the rolling bearing reduces the abrasion of the roller and the quick-acting claw, and prolongs the service life of the roller.

The present disclosure has the following beneficial effects:

1. the arrangement of the track simplifies the structure of the switch machine indicating mechanism and reduces the use cost of the switch machine indicating mechanism.

2. The arrangement of the spring enables the quick-acting claw to be attached to the track, and the action precision of the movable contact is improved.

Drawings

The following drawings are merely exemplary, not all drawings of the disclosed embodiments, and other drawings may be obtained by those skilled in the art in light of the disclosed embodiments.

Fig. 1 is a schematic diagram of an embodiment of the present disclosure.

Fig. 2 is a schematic diagram of the internal structure of some embodiments of the present disclosure.

Detailed Description

The present disclosure is further described below with reference to the accompanying drawings, and the following embodiments are merely exemplary and are not all embodiments of the technical solutions of the present disclosure.

Referring to fig. 1 and 2, a switch machine indicating mechanism comprises a base 4, a movable contact 13 arranged on the base 4, the base body 4 is further provided with a stationary contact 14 matched with the movable contact 13, the base body 4 is further provided with a driving mechanism for driving the movable contact 13 to be matched with the stationary contact 14, the driving mechanism comprises a quick-acting claw 10, a spring 7 and a glider, the quick-acting claw 10 is rotationally connected to the seat body 4, the movable contact 13 is fixed on the quick-acting claw 10, the glider is provided with a track for controlling the action track of the quick-acting claw 10, the glider moves along the seat body 4, so as to control the action of the quick-acting claw 10 and make the movable contact 13 contact with or separate from the static contact 14, the spring 7 is connected to the quick-acting pawl 10, and the spring 7 brings one end of the quick-acting pawl 10 into contact with the rail.

The seat body 4 can be made of metal materials, and the seat body 4 can also be made of other materials.

In the scheme, the track is attached to the quick-acting claw 10, the action of the quick-acting claw 10 and the action of the movable contact 13 are realized by utilizing the shape of the track, and the track is attached to the quick-acting claw 10 by utilizing the spring 7, so that the action precision of the movable contact 13 is improved.

Compared with the prior art, the scheme has the advantages of simple structure and low use cost.

In some possible embodiments, there are two snap pawls 10, the spring 7 is disposed between the two snap pawls 10, and one end of the spring 7 is connected to one snap pawl 10, and the other end of the spring 7 is connected to the other snap pawl 10.

The track comprises a first inclined surface for controlling the action track of one quick-acting claw 10 and a second inclined surface for controlling the action track of the other quick-acting claw 10, and a horizontal plane is arranged between the first inclined surface and the second inclined surface.

When the quick acting pawl 10 is in contact with the horizontal plane, the state of the quick acting pawl 10 is maintained, optimizing the performance of the switch machine indicating mechanism.

The horizontal plane refers to a plane parallel to the horizontal plane, and the horizontal plane in this embodiment is referred to the state of fig. 2.

In some possible embodiments, the glider further comprises a connecting rod 1 and a starting bar 8, the connecting rod 1 is fixedly connected with the starting bar 8, and the connecting rod 1 drives the starting bar 8 to reciprocate.

The connecting rod 1 can be fixedly connected with the starting strip 8 through a screw, and the connecting rod 1 can also be in an integrated structure with the starting strip 8.

The track is arranged on the starting strip 8 and is one of the side surfaces of the starting strip 8.

In some possible embodiments, the glider further comprises a follower bar 12, the start bar 8 moving in synchronization with the follower bar 12. The follower bar 12 and the start bar 8 may be of one-piece construction.

In some possible embodiments, the switch indication mechanism further comprises a cover 2, the cover 2 has a receiving cavity, the cover 2 is covered on the seat 4, the movable contact 13 and the stationary contact 14 are both located in the receiving cavity, a part of the driving mechanism is located in the receiving cavity, and a sealing gasket 3 is arranged between the cover 2 and the seat 4.

The cover body 2 may include a cylindrical body and a cover body, and the sealing heat 3 may be provided between the cover body and the cylindrical body. A gasket 3 may be provided between the cylindrical body and the body 4.

The sealing gasket 3 can be adhered to the seat body 4 to facilitate the assembly between the cover body 2 and the seat body 4. The sealing gasket 3 can be made of rubber material, and the sealing gasket 3 can also be made of other materials with sealing capability.

In some possible embodiments, a roller is disposed on the quick-acting pawl 10 to reduce the friction force of the quick-acting pawl 10 with the rail.

The roller is rotatably connected to the quick-acting pawl 10.

The roller is rotatably connected to the quick-acting claw 10 through a wheel shaft, and a rolling bearing is arranged between the quick-acting claw 10 and the wheel shaft.

The arrangement of the roller enables sliding friction between the quick-acting claw 10 and the rail to be converted into rolling friction, abrasion of the quick-acting claw 10 and the rail is reduced, and service lives of the rail and the quick-acting claw 10 are prolonged.

The rollers may be replaced with balls.

While several possible embodiments of the disclosure have been described above with reference to the accompanying drawings, it is to be understood that these embodiments are not all embodiments of the disclosure, and that other embodiments may be devised by those skilled in the art without departing from the inventive concept, and that such embodiments are within the scope of the disclosure.