CN213869382U - Locking device for subway cab sliding plug door - Google Patents
Locking device for subway cab sliding plug door Download PDFInfo
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- CN213869382U CN213869382U CN202021709289.1U CN202021709289U CN213869382U CN 213869382 U CN213869382 U CN 213869382U CN 202021709289 U CN202021709289 U CN 202021709289U CN 213869382 U CN213869382 U CN 213869382U
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- cab
- guide rail
- door
- rail support
- sliding plug
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Abstract
The utility model relates to a locking device for subway cab sliding plug door belongs to the locking structure technical field of the manual sliding plug door of subway vehicle cab, can be in the same structure application such as subway vehicle cab sliding plug door, tram cab sliding plug door. The utility model discloses a mounting plate, spring bolt, straight line guide arm, unblock plectrum and guide rail support, the guide rail support is fixed to be set up on mounting plate, and the guiding hole on straight line guide arm and the guide rail support forms sliding fit, and the spring bolt is fixed to be set up at the tip of straight line guide arm, unblock plectrum and straight line guide arm fixed connection make the spring bolt can make reciprocating motion along the guiding hole axis direction of guide rail support through drive unblock plectrum. After the installation is implemented, the problems of complex mechanism, poor part replacement, high failure rate and the like of the original cab manual sliding plug door rotating lock assembly can be solved, and the operation quality of the cab manual sliding plug door is improved.
Description
Technical Field
The utility model relates to a locking device for subway cab sliding plug door belongs to the locking structure technical field of the manual sliding plug door of subway vehicle cab, can be in the same structure application such as subway vehicle cab sliding plug door, tram cab sliding plug door.
Background
Along with the continuous development and the perfection of subway wire networks, the stable and safe operation and use requirements of subway vehicle main lines are also continuously improved, and the requirements on the efficiency of vehicle maintenance are higher and higher, so that the development of a vehicle system is towards the direction of high stability and high maintenance efficiency.
The cab door of the subway vehicle is an important component of a vehicle system, has the functions of protecting the internal equipment of a cab and the safety of a driver, and is particularly important for closing and locking the cab door. Cab door divide into cab sliding plug door and the interior hidden door of cab according to mechanical structure form, has different locking modes, divide into electronic drive cab door and manual cab door according to the difference of drive mode. The cab door structure of the Chengdu subway No. 1 vehicle is in a manual sliding plug door structure, and an executing device which is locked well when the sliding plug door is closed consists of a rotary lock. Through investigation, the problems of complex mechanism, poor part replacement, high failure rate and the like existing in the manual sliding plug door of the cab of the existing Chengdu subway No. 1 line vehicle due to the fact that the manual sliding plug door is composed of the rotary lock.
The locking structure of the manual sliding plug door of the cab of the existing subway vehicle is respectively a screw rod 'LS nut pair' locking structure produced by the Corni design and a rotary lock structure produced by the Bode design, the manual sliding plug door of the cab produced by the Bode is configured for the No. 1 subway vehicle, and the locking structure is formed by a rotary lock. Due to the fact that the upper bearing structures of the cab sliding plug door are different, the 'LS nut pair' and the rotary lock cannot be used interchangeably.
The rotary lock assembly of the manual sliding plug door of the cab of the Chengdu subway No. 1 line vehicle is respectively composed of an installation bottom plate, a reset cylinder, an unlocking shifting fork, a travel switch and the like, and has the characteristics of complex structure, complex mechanical parameter adjustment and inconvenience in maintenance and inspection.
According to data statistics, the failure rate of the manual sliding plug door rotating lock component of the cab door of the metro 1 line vehicle increases along with the increase of the operation and maintenance service time of the metro vehicle, wherein the failure of the reset cylinder is the most of the rotating lock components. The reset cylinder is a non-standard part, an inlet part of the original FESTO is not produced any more, purchased domestic spare parts cannot meet the field use requirement, and the failure rate is improved on the contrary.
The technical terms involved therein are explained as follows: cab door lock-a device for locking the cab door of an urban rail transit vehicle; rotary lock-a cab door lock that achieves locking and unlocking by a rotary action; in the opening and closing processes of the sliding plug door-door, the door leaf moves on the outer side surface of the vehicle body along the length and width directions of the vehicle body, the door is tightly plugged in the door frame after the door is closed, and the outer side surface of the door leaf is flush with the outer side surface of the vehicle body; an LS nut pair LS refers to the shape of a thread, S is a thread movement stage, L is a thread locking stage, and the movement from the S stage to the L stage is realized; the reset cylinder realizes mechanical reset by the cooperation of an internal spring and a throttling hole; unlocking fork-a member for locking and releasing the door latch of the cab; unlocking pick-mechanical component for unlocking cab door lock; travel switch-an electrical contact used to indicate to the vehicle driver that the cab door has been closed in place.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the locking device for the subway cab sliding plug door can solve the problems of complex mechanism, poor part replacement, high failure rate and the like existing in the conventional cab manual sliding plug door rotating lock assembly after installation and implementation, and improves the operation quality of the cab manual sliding plug door.
For solving the technical problem the utility model discloses the technical scheme who adopts is: a locking device for subway cab sliding plug door, including mounting plate, spring bolt, straight line guide arm, unblock plectrum and guide rail support, the guide rail support is fixed to be set up on mounting plate, and the guide hole on straight line guide arm and the guide rail support forms sliding fit, and the spring bolt is fixed to be set up the tip at straight line guide arm, unblock plectrum and straight line guide arm fixed connection, makes the spring bolt can make reciprocating motion along the guide hole axis direction of guide rail support through the drive unblock plectrum.
Further, the method comprises the following steps: the guide rail support is two pieces which are arranged at intervals; the linear guide rod is two pieces arranged side by side.
Further, the method comprises the following steps: a return spring is arranged between the unlocking shifting piece and the guide rail support; the outer end face of the lock tongue is provided with a guide inclined plane or a guide arc-shaped face.
Further, the method comprises the following steps: the guide rail support is two pieces which are arranged at intervals; the unlocking shifting piece is arranged between the two guide rail supports, the reset spring is sleeved on the periphery of the linear guide rod, one end of the reset spring is connected with the unlocking shifting piece, and the other end of the reset spring is connected with the guide rail supports.
Further, the method comprises the following steps: the end of the linear guide rod, which is far away from the spring bolt, is provided with a limiting block, and a buffer piece is arranged between the limiting block and the guide rail support.
Further, the method comprises the following steps: the buffer piece is a buffer spring sleeved on the periphery of the linear guide rod, and the limiting block is a fixing nut in threaded connection with the linear guide rod.
Further, the method comprises the following steps: the guide hole on the guide rail support is fixedly provided with a linear bearing, and the linear guide rod is arranged in the guide hole of the guide rail support through the linear bearing.
Further, the method comprises the following steps: the mounting base plate sets travel switch at the shutting station of spring bolt.
Further, the method comprises the following steps: the guide rail support is fixedly connected with the mounting bottom plate through a bolt, a strip-shaped hole for the bolt to pass through is formed in the guide rail support, and the length direction of the strip-shaped hole is consistent with that of the linear guide rod; the mounting base plate is provided with and is used for the bolted connection hole on driver's cabin door with its fixed mounting, and the bolted connection hole includes the bar hole of horizontal arrangement and the bar hole of vertical arrangement.
Further, the method comprises the following steps: when the installation is carried out, the utility model also comprises a cab door plate and a cab door, a lock rod matched with the lock tongue is fixedly arranged on the cab door plate, the lock rod is vertically arranged, the installation bottom plate is fixedly arranged on the cab door, the installation position of the installation bottom plate is matched with the position of the lock rod, the linear guide rod is vertically arranged, and the lock tongue is arranged towards the upper part; when the lock rod is contacted with the locking surface of the lock tongue, the cab door is in a locking state; when the bolt moves downward to disengage the lock rod, the cab door is in an open state.
The utility model discloses a theory of operation does: when unlocking is carried out, the linear guide rod and the lock tongue are driven to move downwards by pressing the unlocking shifting piece, the door leaf bumping bolt (or the lock rod) exits from the groove of the lock tongue, unlocking of the cab door is realized, and the linear guide rod is reset to a position to be locked by the self resilience force of the reset spring; when the door is locked, the door leaf bumping bolt (or the lock rod) bumps the lock tongue to drive the linear guide rod to move downwards, the door leaf bumping bolt (or the lock rod) enters the groove of the lock tongue, and the lock tongue resets to a locking position by the self resilience force of the reset spring to realize the locking of the cab door.
The utility model has the advantages that: when the unlocking device is implemented, the mechanical interface can be in seamless butt joint with the original installation interface, the driving mechanism of the unlocking shifting piece comprises a movable wrench arranged on the cab door plate, and the movable wrench is connected with the unlocking shifting rod through a steel wire rope; the movable wrench is moved to drive the unlocking shifting rod to press the unlocking shifting piece, and after the reset spring is compressed, the unlocking shifting piece drives the lock tongue to move downwards to separate from the lock rod. This structure drives spring bolt rectilinear motion through the straight line guide arm, realizes the locking and the unblock function of cab door, and double guide arm has guaranteed the stability of locking structure, has also provided the redundancy of reset spring installation simultaneously. The return spring, the buffer spring and the linear bearing are standard parts, so that the applicability of the locking structure and the interchangeability of components are ensured. The utility model discloses can solve the manual stopper sliding door rotary lock of traditional driver's cabin and constitute the mechanism that exists complicated, the part substitution is poor, the high scheduling problem of fault rate, promote the manual stopper sliding door operational quality of driver's cabin. The utility model has the characteristics of simple structure, reliability height, strong adaptability etc, the dismouting operation only relates to stopper sliding door part dismouting, does not relate to dangerous higher operation content, carries out the operation according to the process file, and the operation danger coefficient is lower, and the security is controllable. The utility model discloses the adjustment is simple, can improve the whole leakproofness of cab stopper sliding door simultaneously.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention;
the labels in the figure are: bottom plate 1, spring bolt 2, reset spring 3, linear guide rod 4, unblock plectrum 5, guide rail support 6, stopper 7, bolster 8, travel switch 9.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 3, the utility model discloses a mounting plate 1, spring bolt 2, linear guide 4, unblock plectrum 5 and guide rail support 6, guide rail support 6 is fixed to be set up on mounting plate 1, and the guiding hole on linear guide 4 and the guide rail support 6 forms sliding fit, and spring bolt 2 is fixed to be set up at linear guide 4's tip, unblock plectrum 5 and linear guide 4 fixed connection, make spring bolt 2 can make reciprocating motion along guide rail support 6's guiding hole axis direction through drive unblock plectrum 5.
In order to facilitate the automatic reset of the lock tongue 2, a reset spring 3 is arranged between the unlocking shifting piece 5 and the guide rail support 6; the outer end face of the lock tongue 2 is provided with a guide inclined plane or a guide arc-shaped surface. The return spring 3 is preferably installed in a way that the guide rail support 6 is two pieces which are arranged at intervals; unblock plectrum 5 sets up the position between two guide rail support 6, and 3 covers of reset spring are established in the periphery of straight line guide arm 4, and 3 one end of reset spring are connected with unblock plectrum 5, and the other end is connected with guide rail support 6. The return spring 3 can be a compression spring or an extension spring according to the installation position of the spring. In this embodiment, the return spring 3 is installed between the lower rail support 6 and the unlocking paddle 5, and thus a compression spring is used.
In order to make the structure more reliable, the guide rail support 6 is two pieces which are arranged at intervals; the linear guide rods 4 are two pieces arranged side by side. The double guide rods ensure the stability of the locking structure and also provide redundancy in the installation of the return spring 3.
The end of the linear guide rod 4 far away from the spring bolt 2 is provided with a limiting block 7, and a buffer piece 8 is arranged between the limiting block 7 and the guide rail support 6. The buffer piece 8 is used for buffering the direct impact of the unlocking shifting piece 5 and the guide rail support 6. The buffer 8 may take the form of a rubber, a spring, etc. For making the structure more reliable, the preferred mode that adopts in this embodiment is, bolster 8 is the buffer spring who overlaps the cover and establish in straight line guide arm 4 periphery, and stopper 7 is the fixation nut with straight line guide arm 4 threaded connection.
In order to ensure that the structure is more reliable, a linear bearing is fixedly arranged in a guide hole on the guide rail support 6, and the linear guide rod 4 is arranged in the guide hole of the guide rail support 6 through the linear bearing.
The mounting base plate 1 is provided with a travel switch 9 at the locking position of the bolt. The travel switch 9 is used to prompt the vehicle driver that the cab door has been closed to the electrical contact in place.
The guide rail support 6 is fixedly connected with the mounting base plate 1 through bolts, strip-shaped holes for the bolts to pass through are formed in the guide rail support 6, the length direction of the strip-shaped holes is consistent with that of the linear guide rods 4, and the strip-shaped holes are used for adjusting the relative positions of the guide rail support 6 and the mounting base plate 1; the mounting base plate 1 is provided with a bolt connecting hole for fixedly mounting the mounting base plate on the cab door, and the bolt connecting hole comprises a transversely arranged strip-shaped hole and a vertically arranged strip-shaped hole. During implementation, the mounting bottom plate 1 is installed through the bar-shaped hole that the bolt cooperation was transversely arranged, the bar-shaped hole of vertical arrangement, can adjust the relative position of mounting bottom plate 1 and driver's cabin door. Foretell bolt + adjustable mounting structure in bar hole can guarantee the roughness of cab door after the locking.
When the installation is carried out, the utility model also comprises a cab door plate and a cab door, a lock rod matched with the lock tongue 2 is fixedly arranged on the cab door plate, the lock rod is vertically arranged, the installation bottom plate 1 is fixedly arranged on the cab door, the installation position of the installation bottom plate 1 is matched with the position of the lock rod, the linear guide rod 4 is vertically arranged, and the lock tongue 2 is arranged upwards; when the lock rod is contacted with the locking surface of the bolt 2, the cab door is in a locking state; when the latch bolt 2 moves downward to disengage from the lock lever, the cab door is in an open state.
When the unlocking device is implemented, the mechanical interface can be in seamless butt joint with the original installation interface, the driving mechanism of the unlocking shifting piece 5 comprises a movable wrench arranged on the cab door plate, and the movable wrench is connected with the unlocking shifting rod through a steel wire rope; the movable wrench is moved to drive the unlocking shifting rod to press the unlocking shifting piece 5, the unlocking shifting piece 5 drives the lock tongue 2 to move downwards to be separated from the lock rod, unlocking of the cab door is achieved, and the linear guide rod 4 is reset to a position to be locked by the aid of self resilience force of the reset spring 3; when the locking mechanism is locked, the lock bolt 2 is impacted by the lock rod to drive the linear guide rod 4 to move downwards, the lock rod enters the groove of the lock bolt, and the lock bolt 2 is reset to a locking position by the aid of self resilience force of the reset spring 3, so that the locking of a cab door is realized.
Claims (10)
1. A locking device for subway cab sliding plug door, including mounting plate (1), its characterized in that: still include spring bolt (2), straight line guide arm (4), unblock plectrum (5) and guide rail support (6), guide rail support (6) are fixed to be set up on mounting plate (1), guide hole on straight line guide arm (4) and the guide rail support (6) forms sliding fit, the fixed tip that sets up at straight line guide arm (4) of spring bolt (2), unblock plectrum (5) and straight line guide arm (4) fixed connection, make spring bolt (2) can make reciprocating motion along the guide hole axis direction of guide rail support (6) through drive unblock plectrum (5).
2. The locking device for the sliding plug door of the metro cab as claimed in claim 1, wherein: the guide rail supports (6) are arranged at intervals; the linear guide rods (4) are arranged in parallel.
3. The locking device for the sliding plug door of the metro cab as claimed in claim 1, wherein: a return spring (3) is arranged between the unlocking shifting sheet (5) and the guide rail support (6); the outer end face of the lock tongue (2) is provided with a guide inclined plane or a guide arc-shaped face.
4. The locking device for the sliding plug door of the subway cab as claimed in claim 3, wherein: the guide rail supports (6) are arranged at intervals; unblock plectrum (5) set up the position between two guide rail support (6), and reset spring (3) cover is established in the periphery of straight line guide arm (4), and reset spring (3) one end is connected with unblock plectrum (5), and the other end is connected with guide rail support (6).
5. The locking device for the sliding plug door of the subway cab as claimed in claim 3, wherein: a limiting block (7) is arranged at one end, far away from the bolt (2), of the linear guide rod (4), and a buffering piece (8) is arranged between the limiting block (7) and the guide rail support (6).
6. The locking device for the sliding plug door of the subway cab as claimed in claim 3, wherein: the buffer piece (8) is a buffer spring sleeved on the periphery of the linear guide rod (4), and the limiting block (7) is a fixing nut in threaded connection with the linear guide rod (4).
7. The locking device for the sliding plug door of the metro cab as claimed in claim 1, wherein: a linear bearing is fixedly arranged in a guide hole in the guide rail support (6), and the linear guide rod (4) is arranged in the guide hole in the guide rail support (6) through the linear bearing.
8. The locking device for the sliding plug door of the metro cab as claimed in claim 1, wherein: the mounting bottom plate (1) is provided with a travel switch (9) at the locking station of the bolt.
9. The locking device for the sliding plug door of the metro cab as claimed in claim 1, wherein: the guide rail support (6) is fixedly connected with the mounting base plate (1) through bolts, strip-shaped holes for the bolts to penetrate through are formed in the guide rail support (6), and the length direction of the strip-shaped holes is consistent with that of the linear guide rods (4); the mounting bottom plate (1) is provided with a bolt connecting hole for fixedly mounting the mounting bottom plate on a cab door, and the bolt connecting hole comprises a transversely arranged strip-shaped hole and a vertically arranged strip-shaped hole.
10. The locking device for the tambour door of the subway cab as claimed in any one of claims 1 to 9, wherein: the cab is characterized by further comprising a cab door plate and a cab door, wherein a lock rod matched with the lock bolt (2) is fixedly arranged on the cab door plate, the lock rod is vertically arranged, the mounting bottom plate (1) is fixedly mounted on the cab door, the mounting position of the mounting bottom plate (1) is matched with the position of the lock rod, the linear guide rod (4) is vertically arranged, and the lock bolt (2) is arranged towards the upper part; when the lock rod is contacted with the locking surface of the lock tongue (2), the cab door is in a locking state; when the bolt (2) moves downwards to be separated from the lock rod, the cab door is in an opening state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709289.1U CN213869382U (en) | 2020-08-17 | 2020-08-17 | Locking device for subway cab sliding plug door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709289.1U CN213869382U (en) | 2020-08-17 | 2020-08-17 | Locking device for subway cab sliding plug door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869382U true CN213869382U (en) | 2021-08-03 |
Family
ID=77046464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021709289.1U Active CN213869382U (en) | 2020-08-17 | 2020-08-17 | Locking device for subway cab sliding plug door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213869382U (en) |
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2020
- 2020-08-17 CN CN202021709289.1U patent/CN213869382U/en active Active
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