CN112389473B - Lock assembly and locomotive key-pulling switch - Google Patents
Lock assembly and locomotive key-pulling switch Download PDFInfo
- Publication number
- CN112389473B CN112389473B CN202011286080.3A CN202011286080A CN112389473B CN 112389473 B CN112389473 B CN 112389473B CN 202011286080 A CN202011286080 A CN 202011286080A CN 112389473 B CN112389473 B CN 112389473B
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- China
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- mounting plate
- key
- plectrum
- connecting rod
- lock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a linkage assembly and a locomotive key-pulling switch, which comprise a mounting plate, wherein a plectrum is arranged above the mounting plate, a limiting hole is formed in the plectrum, a button rod used for limiting the movement of the plectrum is arranged in the limiting hole, the button rod penetrates through the mounting plate, and the bottom of the button rod is connected with the mounting plate through a limiting mechanism. The mounting plate is provided with a pull key and a lock head assembly, the plectrum is provided with a clamping groove matched with the pull key, the plectrum is further provided with a guide post, the lock head assembly is provided with a driving piece used for driving the guide post to move, and the mounting plate is provided with a groove matched with the guide post. The gear can be switched by pressing the button rod, so that the phenomenon that the equipment is suddenly powered off due to the fact that a lock handle is pulled back to a separated position from a closed position after misoperation of a driver is avoided; the installation is simple and convenient, and no special tool is needed; the structure is reliable, the required installation space is small, and the maintenance is convenient.
Description
Technical Field
The invention belongs to the technical field of locomotive switches, relates to a linkage assembly and further relates to a locomotive key-pulling switch using the linkage assembly.
Background
At present, before a railway locomotive generally starts to run, a lock switch on a key-pulling switch is required to be pulled to a closed position in a separated position, and then the small key-pulling switch is sequentially turned on to electrify the locomotive equipment to run. During the operation of the locomotive, the lock switch handle can be pulled back to the open position in the closed position because the lock switch handle is not interlocked. Therefore, hidden danger exists, a driver can operate the lock switch handle to a separated position due to the possibility of misoperation, the high-voltage equipment is powered off suddenly, and safety accidents are easy to happen.
Disclosure of Invention
The invention aims to provide a lock assembly, which solves the problem that equipment is powered off due to misoperation in the prior art.
The technical scheme includes that the interlocking assembly comprises a mounting plate, a shifting piece is arranged above the mounting plate, a limiting hole is formed in the shifting piece, a button rod used for limiting the movement of the shifting piece is arranged in the limiting hole, the button rod penetrates through the mounting plate, and the bottom of the button rod is connected with the mounting plate through a limiting mechanism.
The invention is also characterized in that:
the button rod comprises a T-shaped connecting rod, a shoulder is arranged on the connecting rod, the bottom of the connecting rod is connected with an extension section, the outer diameter of the extension section is smaller than the minimum outer diameter of the connecting rod, a spring is sleeved outside the connecting rod, and the spring is positioned between the shoulder and the extension section; the extension section is connected with a limiting mechanism to limit the connecting rod to move upwards.
Stop gear includes the connecting block, and the connecting block passes through the support column to be connected on the mounting panel, and the extension section passes the connecting block and has cup jointed the stopper, and the length of extension section is greater than the thickness of connecting block.
The limiting hole comprises a slide way, the two ends of the slide way are connected with positioning holes, and the width of the slide way is larger than the minimum outer diameter of the connecting rod and smaller than the outer diameter of the shoulder.
Another object of the present invention is to provide a key-pulling switch for a motorcycle.
According to another technical scheme adopted by the invention, the locomotive key-pulling switch comprises the interlocking assembly, a key-pulling and a lock head assembly are arranged on the mounting plate, a clamping groove matched with the key-pulling is formed in the plectrum, a guide post is further arranged on the plectrum, a driving piece used for driving the guide post to move is arranged on the lock head assembly, and a groove matched with the guide post is formed in the mounting plate.
The invention has the beneficial effects that:
according to the locomotive key-pulling switch, the gear can be switched only by pressing the button rod, so that the phenomenon that equipment is suddenly powered off due to the fact that a lock handle is pulled back to a separated position from a closed position after misoperation of a driver is avoided; the movement of the poking sheet is limited by the up-and-down movement of the button rod, so that the function of preventing misoperation is realized; the shifting piece is moved by rotating the shifting fork, so that a driver can press the button with one hand and then pull the handle with the other hand; the installation is simple and convenient, and no special tool is needed; the structure is reliable, the required installation space is small, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic view of a lock assembly of the present invention;
FIG. 2 is a schematic view of the construction of a button stem in a lock assembly of the present invention;
FIG. 3 is a schematic view of a retainer hole in a lock assembly according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a key-pulling switch for a motorcycle according to the present invention;
FIG. 5 is a schematic structural diagram of another embodiment of a key-trigger switch for a locomotive according to the present invention;
fig. 6 is a schematic structural view of a locomotive key-pulling switch according to the present invention.
In the drawing, 1, a mounting plate, 2, a shifting piece, 3, a limiting hole, 3-1, a slide way, 3-2, a positioning hole, 4, a button rod, 4-1, a connecting rod, 4-2, a shoulder, 4-3, an extension section, 4-4, a spring, 5, a connecting block, 6, a supporting column, 7, a limiting block, 8, a key, 9, a clamping groove, 10, a guide column, 11, a groove, 12, a shifting fork, 13, an arc-shaped groove, 14, a lock body, 15, a lock handle, 16, a first through hole, 17, a second through hole and 18, third through holes are formed.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A linkage assembly is shown in figure 1 and comprises a mounting plate 1, a shifting piece 2 is arranged above the mounting plate 1, a limiting hole 3 is formed in the shifting piece 2, a button rod 4 used for limiting the movement of the shifting piece 2 is arranged in the limiting hole 3, the button rod 4 penetrates through the mounting plate 1, and the bottom of the button rod 4 is connected with the mounting plate 1 through a limiting mechanism.
As shown in fig. 2, the button rod 4 comprises a T-shaped connecting rod 4-1, a shoulder 4-2 is arranged on the T-shaped connecting rod 4-1, an extension section 4-3 is connected to the bottom of the T-shaped connecting rod 4-1, the outer diameter of the extension section 4-3 is smaller than the minimum outer diameter of the T-shaped connecting rod 4-1, a spring 4-4 is sleeved outside the T-shaped connecting rod 4-1, and the spring 4-4 is located between the shoulder 4-2 and the extension section 4-3; the extension section 4-3 is connected with a limiting mechanism to limit the upward movement of the T-shaped connecting rod 4-1. When the T-shaped connecting rod 4-1 is pressed down, the step formed by the extension section 4-3 and the T-shaped connecting rod 4-1 plays a role in limiting downwards.
The limiting mechanism comprises a connecting block 5, the connecting block 5 is connected to the mounting plate 1 through a supporting column 6, the extension section 4-3 penetrates through the connecting block 5 and is sleeved with a limiting block 7, and the length of the extension section 4-3 is larger than the thickness of the connecting block 5. When the T-shaped connecting rod 4-1 is jacked upwards, the limiting block 7 plays a role in limiting upwards. The support column 6 is fastened below the mounting plate 1 through screws, and the limiting block 7 is fastened at the lower end of the T-shaped connecting rod 4-1 through screws.
As shown in figure 3, the limiting hole 3 comprises a slide way 3-1, the two ends of the slide way 3-1 are connected with positioning holes 3-2, and the width of the slide way 3-1 is larger than the minimum outer diameter of the T-shaped connecting rod 4-1 and smaller than the outer diameter of the shoulder 4-2. When the T-shaped connecting rod 4-1 is jacked upwards, the shoulder 4-2 is positioned in the positioning hole 3-2 and cannot pass through the slideway 3-1 to limit the movement of the shifting piece 2; when the T-shaped connecting rod 4-1 is pressed down, the minimum diameter section of the T-shaped connecting rod 4-1 is located in the positioning hole 3-2, and the T-shaped connecting rod 4-1 can move through the slide way 3-1 to realize the movement of the shifting piece 2.
The utility model provides a locomotive pulls key switch, as shown in fig. 4 and 5, includes above-mentioned interlocking assembly, is provided with on mounting panel 1 and pulls key 8 and tapered end subassembly, set up on plectrum 2 with pull the protruding font draw-in groove 9 of key 8 looks adaptation, still be provided with guide post 10 on the plectrum 2, be provided with the driving piece that is used for driving guide post 10 motion on the tapered end subassembly, set up the recess 11 with guide post 10 looks adaptation on mounting panel 1. The groove 11 limits the guide post 10 to drive the shifting piece 2 to move left and right, so that the clamping groove 9 moves to the position of the pulling key 8, and the pulling key 8 moves up and down.
The driving piece comprises a shifting fork 12, an arc-shaped groove 13 is formed in the shifting fork 12, the guide post 10 is located in the arc-shaped groove 13, and the shifting fork 12 is connected to the lock head assembly.
The lock head assembly comprises a lock body 14, a lock handle 15 is connected to the upper portion of the lock body 14, and the shifting fork 12 is fixed to the lower portion of the lock body 14.
As shown in fig. 6, the lock further comprises a panel 19, the panel 19 is located above the pick 2, and the panel 19 is respectively provided with a first through hole 16, a second through hole 17, and a third through hole 18 which are matched with the key 8, the lock head assembly, and the button rod 4.
The locomotive key-pulling switch of the invention has the working process as follows:
when the lock handle 14 is positioned at the separating position, when the plectrum 2 is far away from the lock body 14, the button rod 4 is in a jacking state, the shoulder 4-2 is positioned in the positioning hole 3-2, the movement of the plectrum 2 cannot be limited through the slideway 3-1, and the pull key 8 is locked and cannot be operated; the T-shaped connecting rod 4-1 is pressed down, the extension section 4-3 moves downwards along the connecting block 5, the spring 4-4 is compressed, the shoulder 4-2 is positioned below one positioning hole 3-2, the minimum diameter section of the T-shaped connecting rod 4-1 is positioned in the positioning hole 3-2, and the T-shaped connecting rod 4-1 can pass through the slide way 3-1, so that the shifting piece 2 can move along the T-shaped connecting rod 4-1; at this moment, the lock handle 15 is shifted to the closed position to drive the lock body 14 and the shifting fork 12 to rotate, the shifting fork 12 drives the guide post 10 to slide along the groove 11, and then the shifting piece 2 is driven to move towards the lock body 14, so that the clamping groove 9 moves to the position of the trigger 8, and the vertical movement of the trigger 8 is realized. When the T-shaped connecting rod 4-1 reaches another positioning hole 3-2, the button rod 4 is pressed again, the T-shaped connecting rod 4-1 is jacked up, the shoulder 4-2 is located in the positioning hole 3-2, and the movement of the poking sheet 2 cannot be limited through the slide way 3-1.
Through the mode, the gear can be switched by pressing the button rod, so that the phenomenon that the lock handle is switched back to the unlocking position from the closing position after misoperation of a driver to cause sudden power failure of equipment is avoided; the anti-misoperation function is realized through the matching and interlocking of the shifting fork, the shifting sheet and the button rod; the driver can press the button with one hand and then pull the handle with the other hand; the installation is simple and convenient, and no special tool is needed; the structure is reliable, the required installation space is small, and the maintenance is convenient.
Claims (6)
1. A linkage lock assembly comprises a mounting plate (1), wherein a plectrum (2) is arranged above the mounting plate (1), and is characterized in that a limiting hole (3) is formed in the plectrum (2), a button rod (4) used for limiting the movement of the plectrum (2) is arranged in the limiting hole (3), the button rod (4) penetrates through the mounting plate (1), and the bottom of the button rod (4) is connected with the mounting plate (1) through a limiting mechanism;
the button rod (4) comprises a T-shaped connecting rod (4-1), a shoulder (4-2) is arranged on the T-shaped connecting rod (4-1), an extension section (4-3) is connected to the bottom of the T-shaped connecting rod (4-1), the outer diameter of the extension section (4-3) is smaller than the minimum outer diameter of the T-shaped connecting rod (4-1), a spring (4-4) is sleeved outside the T-shaped connecting rod (4-1), and the spring (4-4) is located between the shoulder (4-2) and the extension section (4-3); the extension section (4-3) is connected with a limiting mechanism to limit the upward movement of the T-shaped connecting rod (4-1);
stop gear includes connecting block (5), connecting block (5) are connected on mounting panel (1) through support column (6), stopper (7) have been cup jointed in connecting block (5) are passed in extension section (4-3), just the length of extension section (4-3) is greater than the thickness of connecting block (5).
2. An interlocking assembly according to claim 1, characterized in that the limiting hole (3) comprises a slide way (3-1), the two ends of the slide way (3-1) are connected with positioning holes (3-2), and the width of the slide way (3-1) is larger than the minimum outer diameter of the T-shaped connecting rod (4-1) and smaller than the outer diameter of the shoulder (4-2).
3. A locomotive key-pulling switch comprises the interlocking assembly of any one of claims 1-2, and is characterized in that a key-pulling (8) and a lock head assembly are arranged on the mounting plate (1), a clamping groove (9) matched with the key-pulling (8) is formed in the plectrum (2), a guide post (10) is further arranged on the plectrum (2), a driving piece used for driving the guide post (10) to move is arranged on the lock head assembly, and a groove (11) matched with the guide post (10) is formed in the mounting plate (1).
4. A key-pulling switch for a locomotive according to claim 3, wherein said driving member comprises a fork (12), said fork (12) has an arc-shaped slot (13), said guiding post (10) is located in said arc-shaped slot (13), and said fork (12) is connected to the lock head assembly.
5. A key-pulling switch for locomotive according to claim 4, characterized in that said lock head assembly comprises a lock body (14), a lock handle (15) is connected to the upper portion of said lock body (14), and said shift fork (12) is fixed to the lower portion of said lock body (14).
6. A switch as claimed in claim 4, further comprising a faceplate (19), wherein the faceplate (19) is located above the pick (2), and the faceplate (19) is provided with a first through hole (16), a second through hole (17), and a third through hole (18) respectively adapted to the key (8), the lock assembly, and the button rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286080.3A CN112389473B (en) | 2020-11-17 | 2020-11-17 | Lock assembly and locomotive key-pulling switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286080.3A CN112389473B (en) | 2020-11-17 | 2020-11-17 | Lock assembly and locomotive key-pulling switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112389473A CN112389473A (en) | 2021-02-23 |
| CN112389473B true CN112389473B (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011286080.3A Active CN112389473B (en) | 2020-11-17 | 2020-11-17 | Lock assembly and locomotive key-pulling switch |
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| Country | Link |
|---|---|
| CN (1) | CN112389473B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698666Y (en) * | 2004-02-09 | 2005-05-11 | 西安沙尔特宝电气有限公司 | Toggle switch block locking mechanism for railroad locomotive |
| CN101916684A (en) * | 2010-07-30 | 2010-12-15 | 大唐电信(天津)通信终端制造有限公司 | Bidirectional three-toggle switch and mobile terminal apparatus |
| CN206086850U (en) * | 2016-10-12 | 2017-04-12 | 鄂尔多斯市普渡科技有限公司 | Self -driving car uses adjustable steering wheel |
| CN106864470A (en) * | 2016-12-28 | 2017-06-20 | 西安沙尔特宝电气有限公司 | A kind of faulty action preventing button handle |
| CN208271778U (en) * | 2018-06-26 | 2018-12-21 | 天津科峰电气股份有限公司 | A kind of switch interlocking gear preventing maloperation |
| KR20200094290A (en) * | 2019-01-30 | 2020-08-07 | 주식회사 우진기전 | Master controller equipped with locking means in electric rail car |
-
2020
- 2020-11-17 CN CN202011286080.3A patent/CN112389473B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698666Y (en) * | 2004-02-09 | 2005-05-11 | 西安沙尔特宝电气有限公司 | Toggle switch block locking mechanism for railroad locomotive |
| CN101916684A (en) * | 2010-07-30 | 2010-12-15 | 大唐电信(天津)通信终端制造有限公司 | Bidirectional three-toggle switch and mobile terminal apparatus |
| CN206086850U (en) * | 2016-10-12 | 2017-04-12 | 鄂尔多斯市普渡科技有限公司 | Self -driving car uses adjustable steering wheel |
| CN106864470A (en) * | 2016-12-28 | 2017-06-20 | 西安沙尔特宝电气有限公司 | A kind of faulty action preventing button handle |
| CN208271778U (en) * | 2018-06-26 | 2018-12-21 | 天津科峰电气股份有限公司 | A kind of switch interlocking gear preventing maloperation |
| KR20200094290A (en) * | 2019-01-30 | 2020-08-07 | 주식회사 우진기전 | Master controller equipped with locking means in electric rail car |
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| Publication number | Publication date |
|---|---|
| CN112389473A (en) | 2021-02-23 |
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