CN216943109U - Power guide mechanism of point switch - Google Patents
Power guide mechanism of point switch Download PDFInfo
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- CN216943109U CN216943109U CN202220684208.XU CN202220684208U CN216943109U CN 216943109 U CN216943109 U CN 216943109U CN 202220684208 U CN202220684208 U CN 202220684208U CN 216943109 U CN216943109 U CN 216943109U
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- push plate
- switch machine
- speed reducer
- switch
- sleeve
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Abstract
The utility model discloses a power guide mechanism of a point switch, which belongs to the technical field of point switches and comprises a motor and a speed reducer, wherein an output shaft of the motor is connected with an input shaft of the speed reducer through a friction coupler, an output end of the speed reducer is connected with a ball screw, a nut of the ball screw is provided with a push plate sleeve, and the push plate sleeve is provided with a poking plate for poking a locking body and a moving and static contact; the switch machine box body is characterized in that a linear guide rail is arranged on the side wall of the switch machine box body, a sliding block is arranged on the linear guide rail, and the sliding block is connected with the push plate sleeve. The utility model can ensure the stability and precision of transmission, has compact structure and small and exquisite appearance, can be suitable for more strict limit requirements, can protect the point switch, avoids the point switch from being damaged and improves the safety of equipment.
Description
Technical Field
The utility model belongs to the technical field of switch machines, and particularly relates to a power guide mechanism of a switch machine.
Background
The point switch is an important signal basic device for reliably switching the position of the turnout, changing the opening direction of the turnout, locking the switch point and reflecting the position of the turnout, and can well ensure the driving safety, improve the transportation efficiency and improve the labor intensity of driving personnel.
Electric switches powered by electric motors generally use mechanical transmission to transmit power. The existing switch machine power guide mechanism has a long transmission chain, so that the structure is complex, the transmission precision and stability cannot be ensured, the occupied space and the volume are large, and the strict limit requirement cannot be met; the existing switch machine power guide mechanism does not have a protection mechanism, and when abnormal blockage occurs in switch conversion, the switch machine is easily damaged.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a power guide mechanism of a point switch, which can ensure the stability and precision of transmission, has compact structure and small and exquisite appearance, can meet the more severe limit requirements, can protect the point switch, avoids the point switch from being damaged and improves the safety of equipment.
The utility model is realized in such a way that the dynamic guide mechanism of the point switch comprises a motor and a speed reducer, wherein an output shaft of the motor is connected with an input shaft of the speed reducer through a friction coupler, an output end of the speed reducer is connected with a ball screw, a nut of the ball screw is provided with a push plate sleeve, and the push plate sleeve is provided with a poking plate for poking a locking body and a dynamic and static contact.
Furthermore, a linear guide rail is arranged on the side wall of the switch machine box body, a sliding block is arranged on the linear guide rail, and the sliding block is connected with the push plate sleeve. Through the linear guide and the slider that set up, when ball drove the action of push pedal cover, linear guide and slider played direction and fixed effect, have prolonged ball's life to guarantee driven stability.
Further, the motor passes through the mounting panel setting and is in ball screw's top, the reduction gear includes the gear train that distributes along vertical direction, be provided with the opening that is used for the gear train to run through on the mounting panel. Through this kind of structural layout, can give and make the structure compacter, reduced whole size, satisfy stricter limit requirement.
Furthermore, a self-lubricating sliding plate is arranged between the push plate sleeve and a bottom shell of the switch machine box body. The push plate sleeve is prevented from shaking during action, so that power conversion is more stable and reliable.
Furthermore, the push plate sleeve comprises an upper sleeve body and a lower sleeve body which are connected through a fastener, and a placing cavity for containing the nut is formed between the upper sleeve body and the lower sleeve body. The upper sleeve body and the lower sleeve body which are arranged can improve the reliability of connection between the nut and the push plate sleeve in the ball screw, and improve the transmission stability.
Furthermore, the mounting plate is a rectangular plate, and a group of adjacent edges of the mounting plate is fixedly connected with the switch box body. One corner of the mounting plate is arranged in a suspension mode, vibration generated by the motor is partially offset through the suspension position, and vibration and noise of the whole device are reduced.
The utility model has the advantages and technical effects that: by adopting the technical scheme, the transmission stability and precision can be ensured, the structure is compact, the appearance is small and exquisite, the device can meet the stricter limit requirement, the switch machine can be protected, the switch machine is prevented from being damaged, and the safety of the device is improved. The friction coupling plays roles of transmission and protection, and when in work, the friction plate of the friction coupling is in a pressing state to play a role of transmission; when the turnout is abnormally blocked during switching, the friction coupler is timely disengaged, so that the point switch is prevented from being damaged, and the protection effect is achieved. The friction coupling improves the performance of the point switch and ensures the driving safety; the friction coupling is arranged on an output shaft of the motor, and the motor directly drives the friction coupling and then drives the speed reducer to drive the ball screw. Therefore, the pressing force of the friction plate in the friction coupling is greatly reduced, the adhesion of the friction plate is effectively avoided, and the phenomenon of unstable friction of the friction coupling during static and dynamic conversion is overcome.
Drawings
FIG. 1 is a perspective view of the overall structure provided by an embodiment of the present invention;
FIG. 2 is a front view of the overall structure provided by an embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the push plate sleeve and the sliding block according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a push plate sleeve structure provided by an embodiment of the present invention;
FIG. 5 is a schematic diagram of a mounting plate structure provided in an embodiment of the present invention;
fig. 6 is a schematic view of the installation of the integrated device in the switch machine box according to the embodiment of the utility model.
In the figure, 1, a motor; 2. a friction coupling; 3. a speed reducer; 3-1, gear set; 4. mounting a plate; 4-1, opening; 5. a ball screw; 5-1, a nut; 6. a push plate sleeve; 6-1, an upper sleeve body; 6-2, lower sleeve body; 7. A switch machine box body; 8. a linear guide rail; 9. a slider; 10. a poking plate; 11. self-lubricating slide.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 6, the present application provides a switch machine power guide mechanism, which includes a motor 1 and a speed reducer 3, an output shaft of the motor 1 is connected with an input shaft of the speed reducer 3 through a friction coupling 2, an output end of the speed reducer 3 is connected with a ball screw 5, and a nut 5-1 of the ball screw 5 is provided with a push plate sleeve 6. The push plate sleeve is provided with a poking plate 10 for poking the movable and static contacts.
The switch machine box body 7 is provided with a linear guide rail 8 on the side wall, a slide block 9 is arranged on the linear guide rail 8, and the slide block 9 is connected with the push plate sleeve 6. Through the linear guide 8 and the slider 9 that set up, when ball 5 drove the action of push pedal cover 6, the lateral wall of push pedal cover 6 passed through slider 9 and moved on linear guide 8, and linear guide 8 and slider 9 play direction and fixed effect, have prolonged ball 5's life to guarantee driven stability.
The motor 1 is arranged above the ball screw through a mounting plate 4, the speed reducer 3 comprises gear sets 3-1 distributed in the vertical direction, and openings 4-1 for the gear sets 3-1 to penetrate through are formed in the mounting plate 4. Through this kind of structural layout, can give and make the structure compacter, reduced whole size, satisfy stricter limit requirement.
And a self-lubricating sliding plate 11 is arranged between the push plate sleeve 6 and the bottom shell of the switch machine box body. When the push plate sleeve 6 moves, the lower surface of the push plate sleeve 6 moves on the self-lubricating sliding plate 11, so that the push plate sleeve 6 is prevented from shaking during action, and power conversion is more stable and reliable.
The push plate sleeve 6 comprises an upper sleeve body 6-1 and a lower sleeve body 6-2 which are connected through a fastener, and a placing cavity for containing the nut 5-1 is formed between the upper sleeve body 6-1 and the lower sleeve body 6-2. The upper sleeve body 6-1 and the lower sleeve body 6-2 can improve the connection reliability between the nut 5-1 and the push plate sleeve 6 in the ball screw 5 and improve the transmission stability.
The mounting plate 4 is a rectangular plate, and a group of adjacent edges of the mounting plate 4 are fixedly connected with the switch box body. One corner of the mounting plate 4 is arranged in a suspension mode, vibration generated by the motor 1 is partially offset through the suspension position, and vibration and noise of the whole device are reduced.
When the device works, the motor 1 directly drives the friction coupler 2, the friction plate of the friction coupler 2 is in a compression state, the speed reducer 3 is driven to drive the ball screw 5 to rotate, the nut 5-1 on the ball screw 5 reciprocates along the screw, and then the push plate sleeve 6 and the poking plate 10 on the push plate sleeve 6 are driven to move, so that the effect that the poking plate 10 pokes moving and static contacts is achieved.
By adopting the technical scheme, the transmission stability and precision can be ensured, the structure is compact, the appearance is small and exquisite, the device can meet the stricter limit requirement, the switch machine can be protected, the switch machine is prevented from being damaged, and the safety of the device is improved. The friction coupling 2 plays a role in transmission and protection, and when in work, the friction plate of the friction coupling 2 is in a pressing state to play a role in transmission; when the turnout switching is abnormally blocked, the friction coupler 2 is timely disengaged, so that the damage of the point switch is avoided, and the protection effect is achieved. The friction coupling 2 improves the performance of the point switch and ensures the driving safety; the friction coupling 2 is arranged on an output shaft of the motor 1, and the motor 1 directly drives the friction coupling 2 and then drives the speed reducer 3 to drive the ball screw 5. Therefore, the pressing force of the friction plate in the friction coupler 2 is greatly reduced, the adhesion of the friction plate is effectively avoided, and the phenomenon of unstable friction of the friction coupler 2 during static and dynamic conversion is overcome.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The point switch power guide mechanism is characterized by comprising a motor (1) and a speed reducer (3), wherein an output shaft of the motor (1) is connected with an input shaft of the speed reducer (3) through a friction coupler (2), an output end of the speed reducer (3) is connected with a ball screw (5), a push plate sleeve (6) is arranged on a nut (5-1) of the ball screw (5), and a toggling plate (10) used for toggling a locking body and a moving and static contact is arranged on the push plate sleeve (6).
2. A switch machine power guiding mechanism as claimed in claim 1, characterized in that the side walls of the switch machine box (7) are provided with linear guide rails (8), the linear guide rails (8) are provided with slide blocks (9), and the slide blocks (9) are connected with the push plate sleeve (6).
3. A switch power guide mechanism as claimed in claim 1 or 2, characterized in that the electric motor (1) is arranged above the ball screw (5) by means of a mounting plate (4), the speed reducer (3) comprising gear sets (3-1) distributed in the vertical direction, and the mounting plate (4) is provided with openings (4-1) for the gear sets (3-1) to pass through.
4. A switch machine power guide mechanism as claimed in claim 1, characterized in that self-lubricating slide plates (11) are arranged between the push plate sleeve (6) and the bottom shell of the switch machine box (7).
5. The switch machine power guide mechanism as claimed in claim 1, wherein the push plate sleeve (6) comprises an upper sleeve body (6-1) and a lower sleeve body (6-2) connected by a fastener, and a placing cavity for accommodating a nut is formed between the upper sleeve body (6-1) and the lower sleeve body (6-2).
6. A switch machine power guide mechanism as claimed in claim 2, characterized in that the mounting plate (4) is a rectangular plate, and one set of adjacent sides of the mounting plate (4) is fixedly connected to the switch machine box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684208.XU CN216943109U (en) | 2022-03-22 | 2022-03-22 | Power guide mechanism of point switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684208.XU CN216943109U (en) | 2022-03-22 | 2022-03-22 | Power guide mechanism of point switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216943109U true CN216943109U (en) | 2022-07-12 |
Family
ID=82299755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220684208.XU Active CN216943109U (en) | 2022-03-22 | 2022-03-22 | Power guide mechanism of point switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216943109U (en) |
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2022
- 2022-03-22 CN CN202220684208.XU patent/CN216943109U/en active Active
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