CN217672641U

CN217672641U - Automatic wheel stopper

Info

Publication number: CN217672641U
Application number: CN202221345208.3U
Authority: CN
Inventors: 雷张文; 李林; 沈振宇; 黄志华; 蒋小林; 肖黎亚; 谢谨; 刘海龙; 方昕; 谭玉
Original assignee: Zhuzhou Guochuang Track Technology Co ltd
Current assignee: Zhuzhou Guochuang Track Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses an automatic scotch block, which comprises a base, a scotch block and an actuator, wherein the scotch block and the actuator are arranged on the base; the connecting rod is arranged on a sliding block, the sliding block is connected with an actuator, and the actuator drives the sliding block to move; under the driving of the actuator, the sliding block drives the connecting rod to move and enables the wheel stopping plate to rotate around a hinge point, and the wheel stopping part of the wheel stopping plate is lifted or lowered to switch the locking or releasing state of the wheel. The utility model has the advantages of simple structure, high degree of automation, simple and convenient operation, etc.

Description

Automatic wheel stopper

Technical Field

The utility model mainly relates to the technical field of rail transit, in particular to an automatic scotch block.

Background

The friction resistance of the wheel rail of the rail vehicle is very small, so that the operation energy consumption of the rail vehicle has great advantages compared with other transportation modes. Because the frictional resistance is very small, in order to avoid potential safety hazards such as vehicle sliding and the like under the action of external force after the vehicle is parked, the wheels must be provided with two-way wheel stoppers after the vehicle is parked.

In the practical application process, a plurality of parking working conditions occur at fixed positions on the line, for example, after the subway vehicle exits from operation, the subway vehicle is parked at a fixed station track for maintenance, and the vehicle enters a fixed line for maintenance and storage, etc., the parking working conditions need to adopt a manual mode to arrange a bidirectional wheel stopper on the wheel.

Because the scotch block is generally not light, the working strength of manually setting and removing the scotch block is higher. When the length of a parked vehicle is long, a plurality of posts are required to be arranged to execute the setting and dismantling work of the wheel stoppers, and the operation mode with low automation degree can bring expensive labor cost. Meanwhile, the setting and the removal of the wheel stoppers are both carried out manually, so that the hidden danger that the wheel stoppers are not set or removed in place due to human negligence exists, and the driving safety risk is brought.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a simple structure, degree of automation height, easy and simple to handle's automatic scotch block.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an automatic wheel stopper comprises a base, a wheel stopping plate and an actuator, wherein the wheel stopping plate and the actuator are arranged on the base; the connecting rod is arranged on a sliding block, the sliding block is connected with an actuator, and the actuator drives the sliding block to move; under the drive of the actuator, the sliding block drives the connecting rod to move and enables the wheel stopping plate to rotate around a hinge point, and the wheel stopping part of the wheel stopping plate is lifted or lowered to switch the locking or releasing state of the wheel.

As a further improvement of the technical scheme: the actuator comprises a driving unit and a push rod, and the push rod moves in a telescopic linear mode under the driving of the driving unit and drives the sliding block to move.

As a further improvement of the above technical solution: the driving unit is driven by hydraulic pressure or electric power, controls the extension, retraction, stop and work of the push rod in a control signal mode, and can output the pushing-out stroke of the push rod.

As a further improvement of the technical scheme: the actuator is connected with the superior control host, the action of the actuator is controlled through the superior control host, the state of the actuator is monitored through the superior control host, and the working state of the automatic wheel stopper is judged through the state of the actuator and/or the positions of the push rod and the slide block.

As a further improvement of the technical scheme: the base comprises a bottom plate, a guide rail and a supporting seat, the guide rail and the supporting seat are installed on the bottom plate, one end of the wheel stopping plate is hinged to the supporting seat, and the guide rail is arranged along the moving direction of the sliding block and enables the sliding block to move above the guide rail.

As a further improvement of the technical scheme: the sliding block is in abutting fit with the supporting seat when being at an extreme movement position.

As a further improvement of the technical scheme: the bottom plate further comprises an ear plate, and the ear plate is used for mounting the actuator.

As a further improvement of the technical scheme: one end of the sliding block is provided with a first mounting groove used for connecting a connecting rod, and the connecting rod is connected in the first mounting groove; the other end of the sliding block is provided with a second mounting groove used for connecting the actuator, and the actuator is connected in the second mounting groove.

As a further improvement of the technical scheme: and a dovetail groove matched with the guide rail is formed at the bottom of the sliding block.

As a further improvement of the technical scheme: the middle part or one end part of the wheel stopping plate is hinged to the connecting rod through a pin shaft and can rotate around the hinged point to realize the lifting or lowering of the wheel stopping part.

Compared with the prior art, the utility model has the advantages of just lie in:

the utility model discloses an automatic scotch block, simple structure, degree of automation are high, easy and simple to handle, the application the utility model discloses an automatic scotch block accessible remote signal sets up, removes the scotch block automatically, has solved and has adopted the manual work to set up the problem that scotch block intensity of labour is big, the recruitment is with high costs and personnel's negligence brings the potential safety hazard at present, has improved the scotch block and has set up operation degree of automation, operating efficiency and operation reliability. Meanwhile, in order to improve the reliability of the mechanism and the service life of the executing component, the executing component is not required to bear in a non-working state, and the reliability and the safety are high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional decomposition structure of the present invention.

Fig. 3 is a schematic diagram of the structural principle of the slider in a specific application example of the present invention.

Fig. 4 is a schematic structural diagram of a base in a specific application example of the present invention.

Fig. 5 is a schematic view of the locking principle of the present invention in a specific application example.

Fig. 6 is a schematic diagram illustrating the wheel stopper of the present invention in an operating state according to an embodiment of the present invention.

Fig. 7 isbase:Sub>A schematic cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 6.

Fig. 8 is a schematic diagram illustrating the wheel stopper in a reset state according to an embodiment of the present invention.

Fig. 9 is a schematic sectional view at B-B in fig. 8.

Illustration of the drawings:

1. a base; 2. a wheel stopping plate; 3. a connecting rod; 4. a slider; 5. an actuator; 6. a first pin shaft; 7. a fourth pin shaft; 8. a second pin shaft; 9. a third pin shaft; 10. a fifth pin shaft; 11. a box rail; 12. a fastener; 13. a wheel; 101. a base plate; 102. a guide rail; 103. a supporting seat; 104. an ear plate; 401. a dovetail groove; 501. a drive unit; 502. a push rod.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As used in the disclosure and claims of this specification, the terms "a," "an," "the," and/or "the" do not denote the singular but rather the plural, unless the context clearly dictates otherwise. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

As shown in fig. 1-5, the automatic wheel stopper of the present invention comprises a base 1, a wheel stopper 2 and an actuator 5 mounted on the base 1, wherein the middle part or one end of the wheel stopper 2 is hinged to a connecting rod 3; the connecting rod 3 is arranged on a sliding block 4, the sliding block 4 is connected with an actuator 5, and the actuator 5 drives the sliding block 4 to move; under the drive of the actuator 5, the slide block 4 drives the connecting rod 3 to move and enables the wheel stopping plate 2 to rotate around a hinge point, so that the wheel stopping part of the wheel stopping plate 2 is lifted or lowered; when the wheel stopper of the wheel stopper plate 2 is lifted up, the wheel stopper is higher than the upper surface of a wheel rail (such as a box rail 11), and the wheel stopper plate 2 is matched with the wheel 13 to limit the wheel 13 to pass through. When the wheel stopper of the wheel stopper plate 2 is in a lowered state, the wheel stopper is lower than the upper surface of a wheel rail (such as the box rail 11), and at this time, the wheel stopper plate 2 cannot be matched with the wheel 13 to ensure that the wheel 13 passes through.

In a specific application example, the actuator 5 comprises a driving unit 50101 and a push rod 502, and the push rod 502 moves in a telescopic linear motion under the driving of the driving unit 50101, and carries the sliding block 4. In a specific application, the driving unit 501 may be driven by hydraulic or electric power, in this case, by electric power, that is, the extension, retraction, stopping and operation of the push rod 502 can be controlled by adjusting the input electrical signal, and the pushing stroke of the push rod 502 can be output.

In the concrete application example, base 1 is the basic component of the utility model discloses automatic scotch block for each part of installation fixed scotch block mechanism is used for fixing the scotch block in operating position (like inside box rail 11) simultaneously. In this example, the base 1 comprises a bottom plate 101, a guide rail 102, a support base 103 and an ear plate 104, wherein the guide rail 102, the support base 103 and the ear plate 104 are all mounted on the bottom plate 101, and these components are fixed into a whole. One end of the wheel stopping plate 2 is hinged to the supporting seat 103 through the first pin shaft 6, the guide rail 102 is arranged along the moving direction of the sliding block 4 and allows the sliding block 4 to move above the guide rail, and the lug plate 104 is used for mounting the actuator 5, in this example, the actuator 5 is connected to the lug plate 104 through the fifth pin shaft 10.

Preferably, the slide 4 is in a stop fit with the support 103 when in an extreme position of movement. The support base 103 is mounted on the base plate 101 by fasteners (e.g., fastening screws).

In a specific application example, one end of the sliding block 4 is provided with a first mounting groove for connecting the connecting rod 3, and the connecting rod 3 is connected in the first mounting groove through a second pin 8; the other end of the sliding block 4 is provided with a second mounting groove for connecting an upper push rod 502 of the actuator 5, and the push rod 502 is connected in the second mounting groove through a third pin shaft 9; the bottom of the slider 4 is provided with a dovetail groove 401 for engaging with the guide rail 102.

In a specific application example, the middle part or one end part of the wheel stopping plate 2 is hinged on the connecting rod 3 through a fourth pin shaft 7 and can rotate around the hinged point to realize the lifting or the lowering of the wheel stopping part.

In a specific application example, the input and output cables of the actuator 5 are connected with a superior control host, and the action of the actuator 5 is controlled by the superior control host. Further, higher level's control host computer is used for the control the state of executor 5 is judged through the state of executor 5 and/or push rod 502, slider 4's position the utility model discloses automatic scotch block's operating condition realizes real time monitoring, avoids the maloperation, reduces the potential safety hazard.

The working principle is as follows: referring to fig. 6 and 7, the working status of the automatic wheel stopper of the present invention: the push rod 502 of the actuator 5 extends to the maximum position and stops, the slide block 4 is jointed with the support base 103, the wheel stopping plate 2 is higher than the upper surface of the box-shaped rail 11, and the wheel stopping part of the wheel stopping plate 2 is matched with the wheel 13 to limit the passing of the wheel 13. When the wheels 13 extrude and collide with the wheel stopper part of the wheel stopper plate 2, under the action of the extrusion force F, because the stress direction of the connecting rod 3 and the movement zero boundary angle have a self-locking angle β, at this time, the stress force F is transmitted to the base 1 through the mechanical structure contact, the actuator 5 does not bear the load, and the wheel stopper mechanism is in a stable state.

In this working state, when the actuator 5 obtains and executes a retraction command, the push rod 502 pulls the slider 4 to slide on the guide rail 102, the slider 4 sequentially drives the connecting rod 3 and the wheel stopping plate 2 to rotate, and the structure of the wheel stopping plate 2 higher than the upper surface of the box-shaped rail 11 gradually decreases and disappears. When the push rod 502 of the actuator 5 retracts to the limit position, the automatic stop is carried out, and the state of the wheel stopper reset is entered.

Referring to fig. 8 and 9, the wheel stopper reset state: the push rod 502 of the actuator 5 retracts to the limit position and stops, the wheel stopper plate 2 is lower than the upper surface of the box-shaped rail 11, the wheel 13 is not limited by the wheel stopper, and the sliding block 4 and the carried connecting rod 3 are in a mechanism following state. Under the action of gravity, the system is in a stable state under the condition that the mechanism does not bear external force.

In the working state, when the actuator 5 obtains and executes an extension instruction, the push rod pushes the slide block 4 to slide on the guide rail 102, the slide block 4 sequentially drives the connecting rod 3 and the wheel stopping plate 2 to rotate, and the wheel stopping plate 2 is gradually higher than the upper surface of the box-shaped rail 11. When the push rod 502 of the actuator 5 extends to the limit position, the automatic stop is carried out, and the working state of the scotch block is entered.

When the automatic wheel stopper is applied specifically, a user can fix a parking position in the operation process of a railway vehicle and install the automatic wheel stopper, firstly, the position of the wheel stopper for line installation is changed into a box-shaped rail 11 or a similar structure, and a groove through which a wheel stopper plate 2 passes is reserved on the upper surface of the box-shaped rail 11; then the scotch block is arranged at the inner side of the box-shaped rail 11 and is fixed by a fastener; the input and output cables of the actuator 5 are connected with a superior control host.

When the vehicle is allowed to pass through the position, a reset command is sent to the automatic wheel stopper through the superior control host, the push rod 502 of the actuator 5 retracts to the limit position and stops, and the monitoring system monitors the position of the wheel stopper plate 2 in real time, and when all the wheel stoppers are in a reset state, the vehicle can pass through the position.

When the vehicle is limited to pass through the position, a working instruction is sent to the automatic wheel stopper through the superior control host, the push rod 502 of the actuator 5 extends to the limit position and stops, the monitoring system monitors the position of the wheel stopper plate 2 in real time, and when all the wheel stoppers are in a working state, the vehicle is limited to pass through the position.

Further, when the utility model is applied specifically, the setting can be carried out according to the actual requirement, namely, which direction vehicle needs to be limited to pass, namely, a corresponding automatic wheel stopper is arranged on the line; when the two-way traffic is required to be limited, two groups of automatic wheel stoppers are arranged to limit different directions respectively.

Therefore, adopt the utility model discloses a during automatic scotch block, according to wheel position and the current direction of needs restriction when overhauing the parking, set up box rail 11 and at the two-way automatic scotch block of interior installation of double track, scotch block input, output cable hookup higher level's main control system. When the vehicle is in a non-operation state, the wheel stopper is in a reset state, the wheel stopper plate 2 is lower than the upper surface of the box rail 11, and the vehicle can pass in two directions. When the vehicle is required to be limited to pass, the vehicle is firstly parked according to a specified position, then a working instruction is sent, the actuator 5 extends to the limit position and stops, the monitoring system monitors the position of the wheel stopping plate 2 in real time, and when all the wheel stoppers are in a working state, the vehicle is limited to pass through the position. When the train is repaired and the traffic limit needs to be relieved, a reset command is sent, the actuator 5 retracts to the limit position and stops, the monitoring system monitors the position of the wheel stopping plate 2 in real time, and when all the wheel stoppers are in the reset state, a vehicle can pass through the position.

Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope. It should be noted that various modifications and decorations can be made by those skilled in the art without departing from the principle of the present invention, and the scope of the present invention should be considered as the protection scope of the present invention.

Claims

1. An automatic wheel stopper is characterized by comprising a base (1), a wheel stopping plate (2) and an actuator (5), wherein the wheel stopping plate (2) and the actuator are installed on the base (1), and the middle part or one end part of the wheel stopping plate (2) is hinged to a connecting rod (3); the connecting rod (3) is arranged on a sliding block (4), the sliding block (4) is connected with an actuator (5), and the actuator (5) drives the sliding block (4) to move; under the drive of the actuator (5), the sliding block (4) drives the connecting rod (3) to move and enables the wheel stopping plate (2) to rotate around a hinge point, and the wheel stopping part of the wheel stopping plate (2) is lifted or lowered to switch the locking or releasing state of the wheel (13).

2. The automatic wheel stopper according to claim 1, characterized in that the actuator (5) comprises a driving unit (501) and a push rod (502), and under the driving of the driving unit (501), the push rod (502) makes a telescopic linear motion to carry the slide block (4) to move.

3. The auto-scotch block according to claim 2, characterized in that the driving unit (501) is hydraulically or electrically driven, and controls the extension, retraction and stop of the push rod (502), the work of the push rod (502) and the output of the push-out stroke of the push rod (502) in a control signal mode.

4. The automatic wheel stopper according to claim 3, characterized in that the actuator (5) is connected with a superior control host, the superior control host is used for controlling the action of the actuator (5), the superior control host is used for monitoring the state of the actuator (5), and the working state of the automatic wheel stopper is judged according to the state of the actuator (5) and/or the positions of the push rod (502) and the slide block (4).

5. The automatic wheel stopper according to any one of claims 1 to 4, characterized in that the base (1) comprises a bottom plate (101), a guide rail (102) and a support base (103), the guide rail (102) and the support base (103) are mounted on the bottom plate (101), one end of the wheel stopper plate (2) is hinged to the support base (103), and the guide rail (102) is arranged along the moving direction of the slide block (4) and allows the slide block (4) to move above it.

6. The automatic wheel stopper as claimed in claim 5, characterized in that the slide (4) forms a tight fit with the bearing (103) in an extreme movement position.

7. The auto-scotch device of claim 5, wherein the base plate (101) further includes an ear plate (104), the ear plate (104) being adapted to receive an actuator (5).

8. The automatic wheel stopper as claimed in any one of claims 1 to 4, characterized in that one end of the slider (4) has a first mounting groove for connecting the link (3), the link (3) being connected in the first mounting groove; the other end of the sliding block (4) is provided with a second mounting groove used for connecting the actuator (5), and the actuator (5) is connected in the second mounting groove.

9. Automatic wheel stopper as claimed in claim 5, characterized in that the bottom of the slide (4) is provided with a dovetail groove (401) for cooperation with the guide rail (102).

10. The automatic wheel stopper as claimed in any one of claims 1-4, characterized in that the middle or one end of the wheel stopper plate (2) is hinged to the connecting rod (3) through a pin shaft and can rotate around the hinge point to realize the raising or lowering of the wheel stopper part.