CN220865412U - Mechanical locking and unlocking device - Google Patents
Mechanical locking and unlocking device Download PDFInfo
- Publication number
- CN220865412U CN220865412U CN202322696169.2U CN202322696169U CN220865412U CN 220865412 U CN220865412 U CN 220865412U CN 202322696169 U CN202322696169 U CN 202322696169U CN 220865412 U CN220865412 U CN 220865412U
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- Prior art keywords
- unlocking
- mechanical
- unlock
- lock
- lock tongue
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model discloses a mechanical locking and unlocking device, which comprises a lock tongue, an unlocking trigger plate and a mechanical lock rotary table fixed on a transmission shaft, wherein the mechanical lock rotary table is provided with a groove matched with the lock tongue, an unlocking guide shaft and an unlocking element are fixed above the mechanical lock rotary table, the lock tongue can be arranged on the unlocking guide shaft in a vertical sliding manner, the unlocking element is used for driving the lock tongue to move up and down, and the mechanical locking is realized by inserting the groove or the mechanical unlocking is realized by withdrawing the groove; the unlocking trigger plate can be arranged on the unlocking guide shaft in a left-right sliding mode, when the unlocking trigger plate moves leftwards, the lock tongue is pushed to move upwards to withdraw from the groove to realize mechanical unlocking, and meanwhile, the brake operation plate at the tail of the electromagnetic brake is pushed to realize brake release. The utility model can simultaneously release the mechanical locking and the motor braking when in emergency unlocking, and has simple structure, small volume, low cost and high reliability.
Description
Technical Field
The utility model belongs to the field of rail transit, and particularly relates to a mechanical locking and unlocking device of a pedal.
Background
The mechanical locking and unlocking device is used for locking the track traffic train pedals when the track traffic train pedals are retracted, and unlocking the track traffic train pedals in emergency when the track traffic train pedals are in failure.
CN112208560a discloses a mechanical locking and isolating device, wherein the mechanical locking and unlocking device has the following problems:
(1) The function is single, an electromagnetic brake on the motor is used for locking a motor shaft, so that the motor cannot rotate and cannot drive a transmission mechanism, and a mechanical lock is used for locking a movable pedal, so that double locking of the pedal is realized; when the emergency unlocking is performed, the electromagnetic brake is required to be operated to release the brake, and then the mechanical locking is released, so that the steps are complicated, and the emergency escape time is occupied;
(2) The structure is complex, the cost is high, the volume is large, and the pedal is not beneficial to the installation and arrangement in the vehicle.
Disclosure of Invention
The utility model aims to: the utility model aims to provide the mechanical locking and unlocking device which can simultaneously release mechanical locking and motor braking during emergency unlocking and has the advantages of simple structure, small volume and low cost.
The technical scheme is as follows: the mechanical locking and unlocking device comprises a lock tongue, an unlocking trigger plate and a mechanical lock rotary table fixed on a transmission shaft, wherein the mechanical lock rotary table is provided with a groove matched with the lock tongue, an unlocking guide shaft and an unlocking element are fixed above the mechanical lock rotary table, the lock tongue can be arranged on the unlocking guide shaft in a vertical sliding manner, and the unlocking element is used for driving the lock tongue to move up and down, and is inserted into the groove to realize mechanical locking or withdrawn from the groove to realize mechanical unlocking; the unlocking trigger plate can be arranged on the unlocking guide shaft in a left-right sliding mode, when the unlocking trigger plate moves leftwards, the lock tongue is pushed to move upwards to withdraw from the groove to realize mechanical unlocking, and meanwhile, the brake operation plate at the tail of the electromagnetic brake is pushed to realize brake release.
Further, the unlocking element adopts an electromagnet with a pressure spring or a pneumatic cylinder.
Further, a square hole for guiding the lock tongue is formed in the unlocking guide shaft, and the tongue at the lower part of the lock tongue is inserted into the square hole from top to bottom and can move up and down along the square hole.
Further, the left end of the unlocking guide shaft is provided with a square step and threads, the square step is matched with a square hole matched with the bracket, and the unlocking guide shaft is fixed on the bracket by using a nut.
Further, the right end of the unlocking guide shaft is provided with a flat shaft for guiding, and the end part of the flat shaft is provided with steps and threads; the unlocking trigger plate is provided with a Z-shaped plate and a baffle plate which are opposite, guide holes are formed in the Z-shaped plate and the baffle plate, the flat shaft penetrates through the two guide holes, and the end part of the unlocking trigger plate is positioned through an adjusting gasket and fixed through a nut.
Further, the Z-shaped plate is provided with a second inclined plane, and the second inclined plane is used for jacking the lock tongue by matching with the first flanging on the lock tongue when the unlocking trigger plate moves leftwards, so that mechanical unlocking is realized; when the unlocking trigger plate moves leftwards, the baffle plate pushes the brake operation plate at the tail part of the electromagnetic brake, so that brake release is realized; the flat shaft is sleeved with a spring for pushing the unlocking trigger plate to move right for resetting.
Further, an emergency unlocking switch for detecting an emergency unlocking signal is fixed on one side of the unlocking element, and a first inclined plane is arranged on the bending plate on the side face of the unlocking trigger plate and used for triggering the emergency unlocking switch when the unlocking trigger plate moves leftwards.
Further, the Z-shaped plate is provided with a rope hole for fixing a steel wire rope, and the unlocking trigger plate can be manually pulled to move leftwards by the aid of the steel wire rope in a remote mode.
Further, a mechanical unlocking switch for detecting the locking in place is fixedly arranged between the unlocking element and the unlocking guide shaft, and the lock tongue is provided with a second flanging which is used for pressing down to trigger the mechanical unlocking switch when the lock tongue is inserted into the groove.
Further, the mechanical lock turntable is connected with the transmission shaft through a square hole in the center of the mechanical lock turntable.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
(1) The unlocking trigger plate is utilized to realize simultaneous release of mechanical locking and motor braking during emergency unlocking;
(2) The structure is simple, the volume is small, the cost is low, and the pedal is convenient to install and arrange in the vehicle;
(3) The mechanical locking device directly acts on the transmission shaft, so that the reliability is high, false locking can be prevented, and the safety of the pedal is improved.
Drawings
Fig. 1 to 3 are schematic structural views of a mechanical locking and unlocking device according to an embodiment of the present application, where fig. 1 is a mechanical locking state, fig. 2 is a mechanical unlocking state, and fig. 3 is an emergency unlocking state;
FIG. 4 is a schematic view of the structure of an unlocking guide shaft according to an embodiment of the present application;
FIG. 5 is a schematic view of a latch according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an unlocking trigger plate in an embodiment of the present application.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Reference numerals in fig. 1 to 6 are as follows:
1, a lock tongue; 101, tongue; 102, a first flanging; 103, second flanging; 104, waist holes; 2, unlocking the guide shaft; 201, square holes; 202, a fixing part; 203, a guide part; 3, a mechanical unlocking switch; 4, an emergency unlocking switch; 5, a transmission shaft; 6, adjusting the gasket; 7, unlocking the trigger plate; 701, a baffle; 702, a guide hole; 703, a first incline; 704, a second incline; 705, rope holes; 8, a mechanical lock turntable; 9, a bracket; 10, springs.
As shown in fig. 1, a mechanical locking and unlocking device comprises a lock tongue 1, a mechanical locking rotary disc 8 and a bracket 9, wherein an unlocking guide shaft 2, a mechanical unlocking switch 3 and an unlocking element are sequentially fixed on the bracket 9 from bottom to top, the mechanical unlocking switch 3 is a lock in-place switch and is used for detecting the position of the lock tongue 1, and an emergency unlocking switch 4 is fixed on one side of the unlocking element side by side. In this embodiment, the unlocking element adopts an electromagnet with a compression spring, which is the prior art. The mechanical lock rotary disc 8 is connected with the transmission shaft 5 through a square hole in the center of the mechanical lock rotary disc 8, and a groove matched with the lock tongue 1 is formed in the mechanical lock rotary disc 8. The mechanical lock rotary disc 8 is matched with the lock tongue 1, so that the locking can be realized in place, and the problem of false locking is avoided. The emergency unlocking switch 4 is used for detecting an emergency unlocking action, that is, releasing the motor brake and the mechanical lock at the same time.
Referring to fig. 4 and 5, the unlocking guide shaft 2 is provided with a square hole 201 for guiding the lock tongue 1, and the tongue 101 at the lower part of the lock tongue 1 is inserted into the square hole 201 from top to bottom and can move up and down along the square hole 201. The left end of the unlocking guide shaft 2 is provided with a fixing part 202, the fixing part 202 is provided with a square step and threads, the square step is matched with a square hole matched with the bracket 9, and the unlocking guide shaft 2 is fixed on the bracket 9 by using a nut. The upper part of the lock tongue 1 is provided with a first flanging 102, a second flanging 103 and a waist hole 104, and the waist hole 104 and the end part of the electromagnet telescopic rod are fixed through a bolt. When the lock tongue 1 moves downwards to be inserted into the groove to lock the mechanical lock turntable 8, the second flange 103 presses down to trigger the mechanical unlocking switch 3, and at the moment, the mechanical unlocking switch 3 detects an in-place closing signal. The right end of the unlocking guide shaft 2 is a guide part 203, the guide part 203 is a flat shaft formed by cutting a part of a cylinder and used for guiding, the end part of the flat shaft is provided with a step and a thread, and the root part of the guide part 203 is sleeved with a spring 10.
Referring to fig. 6, the unlocking trigger plate 7 has opposite Z-shaped plates and a baffle 701, and the Z-shaped plates and the baffle 701 are provided with guide holes 702, a flat shaft passes through the two guide holes 702, and the end portions are positioned by the adjusting gaskets 6 and fixed by nuts. The unlock trigger plate 7 can move left and right on the flat shaft. The bent plate on the side surface of the unlocking trigger plate 7 is provided with a first inclined plane 703, the Z-shaped plate is provided with a second inclined plane 704 and a rope hole 705 for fixing a steel wire rope, wherein the first inclined plane 703 is used for triggering the emergency unlocking switch 4, the second inclined plane 704 is used for being matched with the first flanging 102 to jack up the lock tongue 1 out of the groove of the mechanical lock turntable 8, and the side surface of the first flanging 102 matched with the second inclined plane 704 is a cambered surface, as shown in fig. 5.
Fig. 1 shows a mechanical locking state, at this time, the electromagnet is powered off, the lock tongue 1 is inserted into a groove of the mechanical lock rotary disc 8 under the action of a pressure spring on the electromagnet, and the rotation of the mechanical lock rotary disc 8 and the transmission shaft 5 is limited, so that mechanical locking is realized. At this time, the lock tongue 1 can trigger the mechanical unlocking switch 3, and the mechanical unlocking switch 3 feeds back a signal for locking the electronic door controller in place. When the pedal is opened, the electromagnet is attracted, the lock tongue 1 is pulled, the mechanical unlocking switch 3 is locked in place, the signal is lost, the electronic door controller can give a motor signal, and the motor rotates to open the pedal.
Fig. 2 shows the mechanical unlocking state, when the electromagnet is electrified, the lock tongue 1 moves upwards to withdraw from the groove of the mechanical lock rotary disc 8, and the rotation restriction of the mechanical lock rotary disc 8 and the transmission shaft 5 is released.
Fig. 3 shows an emergency unlocking state, at this time, the unlocking trigger plate 7 is manually pulled by a wire rope to move leftwards remotely, the first inclined plane 703 triggers the emergency unlocking switch 4, and as the unlocking trigger plate 7 continues to move leftwards, the second inclined plane 704 can cooperate with the first flanging 102 to jack up the lock tongue 1 upwards and withdraw from the groove of the mechanical lock turntable 8, and at the same time, the baffle 701 pushes the brake operation plate at the tail of the electromagnetic brake to realize brake release. After the steel wire rope is loosened, the spring 10 pushes the unlocking trigger plate 7 to move right to reset. After the emergency unlocking signal is fed back to the electronic gate controller by the emergency unlocking switch 4, the electronic gate controller can feed back a signal to the vehicle console, and the pedal is displayed to be unlocked in an emergency.
In this embodiment, the electromagnet with the compression spring can be replaced by a pneumatic cylinder.
Claims (10)
1. The mechanical locking and unlocking device is characterized by comprising a lock tongue, an unlocking trigger plate and a mechanical lock rotary table fixed on a transmission shaft, wherein the mechanical lock rotary table is provided with a groove matched with the lock tongue, an unlocking guide shaft and an unlocking element are fixed above the mechanical lock rotary table, the lock tongue can be arranged on the unlocking guide shaft in a vertical sliding manner, the unlocking element is used for driving the lock tongue to move up and down, and the lock tongue is inserted into the groove to realize mechanical locking or withdrawn from the groove to realize mechanical unlocking; the unlocking trigger plate can be arranged on the unlocking guide shaft in a left-right sliding mode, when the unlocking trigger plate moves leftwards, the lock tongue is pushed to move upwards to withdraw from the groove to realize mechanical unlocking, and meanwhile, the brake operation plate at the tail of the electromagnetic brake is pushed to realize brake release.
2. The mechanical lock-and-unlock device according to claim 1, wherein said unlock element is an electromagnet with a compression spring, or a pneumatic cylinder.
3. The mechanical locking and unlocking device according to claim 1, wherein the unlocking guide shaft is provided with a square hole for guiding the lock tongue, and the tongue at the lower part of the lock tongue is inserted into the square hole from top to bottom and can move up and down along the square hole.
4. The mechanical locking and unlocking device according to claim 1, wherein the left end of the unlocking guide shaft is provided with a square step and threads, the square step is matched with a square hole matched with the bracket, and the unlocking guide shaft is fixed on the bracket by a nut.
5. The mechanical lock and unlock device according to claim 1, wherein said unlock guide shaft has a flat shaft for guiding at a right end thereof, and an end of the flat shaft has a step and a thread; the unlocking trigger plate is provided with a Z-shaped plate and a baffle plate which are opposite, guide holes are formed in the Z-shaped plate and the baffle plate, the flat shaft penetrates through the two guide holes, and the end part of the unlocking trigger plate is positioned through an adjusting gasket and fixed through a nut.
6. The mechanical locking and unlocking device according to claim 5, wherein the Z-shaped plate is provided with a second inclined plane, and the second inclined plane is used for jacking the lock tongue to realize mechanical unlocking by matching with the first flanging on the lock tongue when the unlocking trigger plate moves leftwards; when the unlocking trigger plate moves leftwards, the baffle plate pushes the brake operation plate at the tail part of the electromagnetic brake, so that brake release is realized; the flat shaft is sleeved with a spring for pushing the unlocking trigger plate to move right for resetting.
7. The mechanical lock and unlock device according to claim 5, wherein an emergency unlock switch for detecting an emergency unlock signal is fixed to one side of said unlock member, and a first inclined surface for triggering the emergency unlock switch when the unlock trigger plate moves leftward is provided on a bent plate on a side surface of the unlock trigger plate.
8. The mechanical lock and unlock apparatus according to claim 5, wherein said Z-shaped plate has a rope hole for fixing a wire rope, and said unlock trigger plate is manually pulled remotely to move leftward by using the wire rope.
9. The mechanical lock and unlock device according to claim 1, wherein a mechanical unlock switch for detecting lock in place is fixedly provided between said unlock member and unlock guide shaft, and the lock tongue has a second flange for triggering the mechanical unlock switch by being pushed down when the lock tongue is inserted into the groove.
10. The mechanical lock and unlock apparatus of claim 1, wherein said mechanical lock rotor is coupled to a drive shaft through a square hole in the center thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696169.2U CN220865412U (en) | 2023-10-09 | 2023-10-09 | Mechanical locking and unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696169.2U CN220865412U (en) | 2023-10-09 | 2023-10-09 | Mechanical locking and unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220865412U true CN220865412U (en) | 2024-04-30 |
Family
ID=90808402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322696169.2U Active CN220865412U (en) | 2023-10-09 | 2023-10-09 | Mechanical locking and unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220865412U (en) |
-
2023
- 2023-10-09 CN CN202322696169.2U patent/CN220865412U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |