CN213831680U - Mechanical locking isolating device - Google Patents

Abstract

The utility model discloses a mechanical locking isolation device, wherein a mechanical locking hook keeps rotating in a first rotating direction under the action of a torsional spring; the mechanical locking stop keeps rotating in the second rotating direction under the action of the torsion spring, an unlocking element is arranged at the other end of the mechanical locking stop, and the unlocking guy wire disc is connected with one end of the first unlocking steel rope; keep apart the latch hook and keep the second direction of rotation rotatory under the torsional spring effect, keep apart anchor and keep apart wire rope one end and be connected, keep apart wire rope and drive the first direction of rotation of isolation latch hook rotatory, during isolation state, keep apart the rotatory mechanical latch hook looks joint with the locking state of the first direction of rotation of latch hook. The utility model discloses integrated locking device function, unlocking device function and isolating device function, had advantages such as multi-functional, compact structure, convenient operation, with low costs.

Description

Mechanical locking isolating device

Technical Field

The utility model relates to a mechanical locking isolating device belongs to vehicle device design technical field.

Background

The movable pedal on the existing rail transit train is generally provided with a motor brake, when the rail transit train with the pedal turns, the pedal can be subjected to centrifugal force, if the motor brake fails or a transmission system fails, the pedal can be thrown out of the train, and once the train enters a high platform, accidents can be caused.

If emergency occurs, such as power failure or failure, the pedal cannot be automatically withdrawn, and manual operation or isolation is required to be carried out on the pedal to ensure normal operation of the vehicle; if the pedal is not in place, the isolation operation is mistakenly executed, so that the pedal is not mechanically isolated, potential safety hazards exist, the isolation state needs to be confirmed manually, and the operation is inconvenient.

The independent locking device, unlocking device and isolating device are large in size and not beneficial to arrangement of the pedals in the train, and meanwhile, the cost is higher and the operation is inconvenient due to more parts and complex structures.

SUMMERY OF THE UTILITY MODEL

The purpose is as follows: in order to overcome the current rail transit train that exists among the prior art, use a braking mode to make the footboard keep withdrawing the state usually, have the problem of potential safety hazard, carry out manual operation or isolation to the footboard, the operation is inconvenient, and needs the artifical isolation state of affirmation, has the problem of potential safety hazard, the utility model provides a mechanical locking isolating device.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:

a mechanical lock isolation device comprising: the mechanical lock hook comprises a mechanical lock hook, an isolation lock hook and a mechanical lock stop, wherein a mechanical lock hook reset torsion spring is arranged in the mechanical lock hook, a mechanical lock hook installation shaft is sleeved in the mechanical lock hook reset torsion spring, and the mechanical lock hook keeps rotating in a first rotating direction under the action of the mechanical lock hook reset torsion spring; the mechanical lock hook is characterized in that the lower edge of the mechanical lock hook is in contact with one end of a mechanical lock stop, a flange is arranged on the mechanical lock hook, the mechanical lock hook is clamped with a lock catch when the mechanical lock hook is in a locking state, a stop reset torsion spring is arranged in the mechanical lock stop, a stop mounting shaft is sleeved in the stop reset torsion spring, an unlocking cable tray is arranged at the top of the stop mounting shaft, the mechanical lock stop keeps rotating in a second rotating direction under the action of the stop reset torsion spring, an unlocking element is arranged at the other end of the mechanical lock stop, a telescopic hook is arranged on the unlocking element, the unlocking cable tray is connected with one end of a first unlocking steel rope, and the first unlocking steel rope drives the mechanical lock stop to rotate in a first rotating direction;

the isolation lock hook is characterized in that an isolation lock hook reset torsion spring is arranged in the isolation lock hook, an isolation lock hook installation shaft is sleeved in the isolation lock hook reset torsion spring, an isolation anchor disc is arranged at the top of the isolation lock hook installation shaft, the isolation lock hook keeps the second rotation direction to rotate under the action of the isolation lock hook reset torsion spring, the isolation anchor disc is connected with one end of an isolation steel wire rope, the isolation steel wire rope drives the isolation lock hook to rotate in the first rotation direction, and the isolation lock hook is connected with a mechanical lock hook in a locking state in a rotating mode in the first rotation direction.

As preferred scheme, still include second unblock wire rope, the unblock anchor still is connected with second unblock wire rope, and when the first direction of rotation of unblock anchor was rotatory, drive second unblock wire rope and pull back.

As the preferred scheme, still include locking switch, isolator, mechanical latch hook one side is provided with locking switch, and isolator one side is provided with isolator, and when mechanical latch hook, isolator latch hook were in the locking and keep apart, locking switch, isolator were triggered.

As the preferred scheme, still include the installing support, mechanical latch hook installation axle, backstop installation axle, isolation latch hook installation axle, locking switch, isolator, unblock component all set up on the installing support.

According to the preferable scheme, the mechanical lock hook further comprises a limiting groove and a first limiting element, the mechanical lock hook is provided with the limiting groove, the isolation lock hook is provided with the first limiting element, the first limiting element rotates synchronously along with the isolation lock hook, and when the mechanical lock hook is in a locking state, the free end of the first limiting element rotates along the limiting groove until the mechanical lock hook is clamped with the isolation lock hook.

As the preferred scheme, still include couple, second flange, be provided with the couple between mechanical latch hook, the isolation latch hook, set up the torsional spring on the couple, cup jointed the pivot in the torsional spring, couple one end and mechanical latch hook edge contact, the couple is rotatory under the effect of torsional spring first direction of rotation, the couple other end and the second flange looks joint on the isolation latch hook, when mechanical latch hook locking, the couple other end and the second flange phase separation of isolation latch hook.

As the preferred scheme, still include first spacing lug, the spacing lug of second, mechanical lock hook one side is provided with the spacing lug of first, keeps apart lock hook one side and is provided with the spacing lug of second, first spacing lug contacts with the spacing lug of second, and when first spacing lug and the spacing lug of second contact, the unable first direction of rotation of isolation lock hook is rotatory, and when mechanical lock hook locking, first spacing lug and the spacing lug phase separation of second.

As the preferred scheme, be provided with spacing recess on the mechanical lock hook, keep apart the latch hook front end and be provided with spacing recess matched with joint portion, when the mechanical lock hook was in the locking state, keep apart the joint portion of latch hook and rotate along spacing recess, until mechanical lock hook and isolation latch hook looks joint.

Has the advantages that: the utility model provides a pair of mechanical locking isolating device has integrateed locking device function, unlocking device function and isolating device function, has multi-functional, compact structure, convenient operation, advantage such as with low costs. When the pedal brake fails or the transmission system fails, the pedal is kept in a retraction state through mechanical locking, so that accidents caused by the fact that the pedal extends out of the vehicle are avoided; when the pedal has a fault, the unlocking can be carried out, and then the pedal can be retracted in time through manual operation, so that the operation of the train is not influenced; and the footboard just can be kept apart when receiving the position, has the function of preventing the maloperation, can keep in the position of keeping apart after keeping apart, improves the security of footboard, and convenient to use has good application prospect.

Drawings

FIG. 1 is a schematic diagram of a mechanical lock-out isolation device.

Figure 2 is a schematic diagram of the construction of a mechanical locking isolator wireless reel.

Fig. 3 is a schematic view of a matching structure of a mechanical latch hook and an isolation latch hook with a limit.

Fig. 4 is a schematic view of a matching structure of a mechanical latch hook and an isolation latch hook with hooks.

Fig. 5 is a schematic view of a matching structure of a mechanical latch hook and an isolation latch hook with a limit bump.

Fig. 6 is a schematic view of the mechanical latch hook and the isolation latch hook of the special clamping portion.

FIG. 7 is a schematic view of the locking and isolation of the locking device on the movable pedal.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

As shown in fig. 1 and fig. 2, the mechanical locking isolation device of the present invention comprises: the mechanical lock hook comprises a mechanical lock hook 1, an isolation lock hook 2 and a mechanical lock stopper 3, wherein a mechanical lock hook reset torsion spring 4 is arranged in the mechanical lock hook 1, a mechanical lock hook mounting shaft 5 is sleeved in the mechanical lock hook reset torsion spring 4, the mechanical lock hook 1 keeps anticlockwise rotating under the action of the mechanical lock hook reset torsion spring 4, and the mechanical lock hook is in an open state under the loosening state of the mechanical lock hook reset torsion spring; the mechanical lock hook lower edge contacts with 3 one end of mechanical lock backstop, is provided with flange 101 on the mechanical lock hook 1 for behind the 3 one end of mechanical lock backstop rather than the looks joint, mechanical lock hook keeps off with mechanical lock and is in quiescent condition, during the mechanical lock hook locking state, mechanical lock hook and hasp looks joint are provided with backstop reset torsion spring 6 in the mechanical lock backstop 3, and backstop reset torsion spring 6 endotheca has backstop installation axle 7, and backstop installation axle 7 top is provided with unblock anchor 8, and backstop reset torsion spring 6 belongs to compression state, keeps 3 clockwise rotations of mechanical lock backstop, and the 3 other end of mechanical lock backstop is provided with unblock component 9, is provided with the telescopic drag hook on the unblock component 9, unblock anchor is connected with first unblock wire rope 10 one end, and first unblock wire rope drives mechanical lock and keeps off anticlockwise rotation.

1 one side of mechanical lock hook is provided with isolation latch hook 2, be provided with isolation lock hook reset torsion spring 11 in the isolation latch hook 2, isolation latch hook installation axle 12 has been cup jointed in isolation lock hook reset torsion spring 11, and isolation latch hook installation axle 12 top is provided with isolation anchor 13, and isolation lock hook reset torsion spring 11 is in compression state, keeps isolating latch hook 2 clockwise turning, isolation anchor 13 is connected with isolation wire rope 14 one end, and isolation wire rope 14 drives isolation latch hook counter-clockwise turning, and when keeping apart wire rope initial condition, it keeps isolating latch hook static to overcome the torsion of isolating latch hook clockwise turning, and during isolation condition, the mechanical lock hook looks joint of isolating latch hook counter-clockwise turning and locking state.

Still include second unblock wire rope 15, unblock anchor 8 still is connected with second unblock wire rope, and when unblock anchor anticlockwise rotates, drives second unblock wire rope and draws backward for stimulate the terminal actuating mechanism of second unblock wire rope, set up to unblock rotating bracket if actuating mechanism, be used for pulling unblock rotating bracket, open the motor braking key.

Still include latching switch 16, isolator 17, mechanical latch hook 1 one side is provided with latching switch 16, isolator 2 one side is provided with isolator 17, and when mechanical latch hook, isolator latch hook were in the locking when keeping apart, latching switch 16, isolator 17 were triggered.

The mechanical lock hook locking device is characterized by further comprising a mounting bracket 18, wherein the mechanical lock hook mounting shaft, the stop mounting shaft, the isolation lock hook mounting shaft, the locking switch, the isolation switch and the unlocking element are all arranged on the mounting bracket 18.

Example 1:

as shown in fig. 3, the mechanical lock hook 1 further includes a limiting groove 102, the isolation lock hook 2 further includes a first limiting element 201, the mechanical lock hook is provided with the limiting groove, the isolation lock hook is provided with the first limiting element, the first limiting element rotates synchronously with the isolation lock hook, and when the mechanical lock hook is in a locking state, a free end of the first limiting element rotates along the limiting groove until the mechanical lock hook is connected with the isolation lock hook in a clamping manner. The limiting groove and the first limiting element are matched in structure, so that the mechanical lock hook and the lock catch are locked in place, and meanwhile, the isolating lock hook cannot be mistakenly acted.

Example 2:

as shown in fig. 4, still include couple 19, keep apart latch hook 2 and still include second flange 202, mechanical latch hook 1, keep apart and be provided with couple 19 between the latch hook 2, set up the torsional spring on the couple 19, cup jointed the pivot in the torsional spring, couple one end and mechanical latch hook edge contact, the couple is anticlockwise rotatory under the effect of torsional spring, the couple other end and keep apart latch hook 2 go up second flange looks joint, when mechanical latch hook locking, it overcomes torsion clockwise rotation to drive the couple, the couple other end and the second flange phase separation of keeping apart the latch hook, at this moment, it is spacing not to keep apart the latch hook, can with mechanical latch hook looks joint, get into the isolated state. The mechanical lock hook is locked with the lock catch in place, and meanwhile, the isolation lock hook cannot be mistakenly acted.

Example 3:

as shown in fig. 5, the mechanical lock hook 1 further includes a first limit projection 102, the isolation lock hook 2 further includes a second limit projection 203, the first limit projection is disposed on one side of the mechanical lock hook, the second limit projection is disposed on one side of the isolation lock hook, the first limit projection contacts with the second limit projection, when the first limit projection contacts with the second limit projection, the isolation lock hook cannot rotate counterclockwise, when the mechanical lock hook is locked, the first limit projection is separated from the second limit projection, the isolation lock hook is not limited, and can be connected with the mechanical lock hook in a clamping manner to enter an isolation state. The mechanical lock hook is locked with the lock catch in place, and meanwhile, the isolation lock hook cannot be mistakenly acted.

Example 4:

as shown in fig. 6, a limiting groove is formed in the mechanical lock hook 1, a clamping portion matched with the limiting groove is arranged at the front end of the isolation lock hook 2, and when the mechanical lock hook is in a locking state, the clamping portion of the isolation lock hook rotates along the limiting groove until the mechanical lock hook and the isolation lock hook are clamped. Spacing recess and joint portion matched with structure for guarantee that mechanical latch hook and hasp locking target in place, simultaneously, keep apart the latch hook and can not the maloperation.

As shown in fig. 7, a mechanical lock isolation device works:

the mechanical lock hook is characterized in that the rotating direction of the mechanical lock hook after rotating and unlocked with the lock catch 01 is defined as a first rotating direction, the rotating direction opposite to the first rotating direction is defined as a second rotating direction, in the embodiment, the first rotating direction is anticlockwise rotating, the second rotating direction is clockwise rotating, when the movable pedal is retracted, in the final stage, the lock catch 01 installed at the rear part of the movable pedal is in contact with the mechanical lock hook and drives the mechanical lock hook to rotate, the mechanical lock hook slides along the upper end of the mechanical lock catch, when the movable pedal rotates to a certain angle, the upper end of the mechanical lock catch is clamped with the flange at the rear part of the mechanical lock hook in a matched mode, the mechanical lock catch rotates under the action of a torsion spring in the mechanical lock catch until the mechanical lock hook is static with the mechanical lock catch, the mechanical lock hook is used for preventing the mechanical lock hook from reversely rotating, and the movable pedal is limited.

When the pedal is opened, the unlocking element drives the draw hook to recover, the mechanical locking stopper rotates, the clamping limit between the flange of the mechanical lock hook and the mechanical locking stopper is removed, the mechanical lock hook rotates under the action of the torsional spring of the mechanical lock hook and the driving of the lock catch, and the locking state is removed.

When the unlocking element cannot work, the first unlocking steel wire rope is pulled to drive the unlocking anchor plate to overcome torsion of the torsion spring to rotate anticlockwise, the clamping limit between the flange of the mechanical lock hook and the stop of the mechanical lock is removed, the unlocking anchor plate pulls the terminal unlocking support of the second unlocking steel wire rope to rotate anticlockwise along the top end to drive the braking key of the motor to be opened, the motor is in a free state, and the movable pedal can extend out or retract manually.

Under the open state of the movable pedal, the isolation lock hook is matched with the tension of the isolation steel wire rope to keep a static state under the action of the torsion spring of the isolation lock hook, is limited by the mechanical lock hook, and cannot rotate to be isolated. After the movable pedal is retracted, the mechanical lock hook rotates to release the spacing of the isolation lock hook, and the isolation steel wire rope is pulled to drive the isolation lock hook under the isolation anchor plate to rotate under the action of overcoming the torsion force of the torsion spring and is clamped with the mechanical lock hook to complete the isolation state. After the movable pedal is isolated, the movable pedal cannot be opened electrically or manually.

When the isolation state is to be released, the isolation steel wire rope is loosened to the initial tension, the isolation lock hook rotates clockwise under the action of the torsion spring of the isolation lock hook and is separated from the mechanical lock hook until the isolation lock hook keeps the static state.

To sum up, the utility model discloses a mechanical locking isolating device can be used to rail transit train, when footboard stopper became invalid or transmission system became invalid, keeps the footboard in the state of withdrawing through mechanical locking, avoids the footboard to stretch out the emergence that the car caused the accident. When the footboard broke down, can carry out the unblock, then manual operation in time withdraws the footboard, moreover, the footboard just can be kept apart when receiving the position, has the function of preventing the maloperation, can keep in the position of keeping apart after keeping apart, improves the security of footboard, convenient to use has good application prospect.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (8)

1. A mechanical lock isolation device comprising: mechanical latch hook, isolation latch hook, mechanical lock backstop, its characterized in that: the mechanical lock hook assembly comprises a mechanical lock hook, a mechanical lock hook mounting shaft, a mechanical lock hook reset torsion spring, a mechanical lock hook locking shaft and a mechanical lock hook locking mechanism, wherein the mechanical lock hook is arranged on the mechanical lock hook; the lower edge of the mechanical lock hook is in contact with one end of a mechanical lock stop, a flange is arranged on the mechanical lock hook, a stop reset torsion spring is arranged in the mechanical lock stop, a stop mounting shaft is sleeved in the stop reset torsion spring, an unlocking wire drawing disc is arranged at the top of the stop mounting shaft, the mechanical lock stop keeps rotating in a second rotating direction under the action of the stop reset torsion spring, an unlocking element is arranged at the other end of the mechanical lock stop, a telescopic drag hook is arranged on the unlocking element, the unlocking wire drawing disc is connected with one end of a first unlocking steel rope, and the first unlocking steel rope drives the mechanical lock stop to rotate in a first rotating direction;

the isolation lock hook is characterized in that an isolation lock hook reset torsion spring is arranged in the isolation lock hook, an isolation lock hook installation shaft is sleeved in the isolation lock hook reset torsion spring, an isolation anchor disc is arranged at the top of the isolation lock hook installation shaft, the isolation lock hook keeps the second rotation direction to rotate under the action of the isolation lock hook reset torsion spring, the isolation anchor disc is connected with one end of an isolation steel wire rope, the isolation steel wire rope drives the isolation lock hook to rotate in the first rotation direction, and the isolation steel wire rope drives the isolation lock hook to rotate in the first rotation direction and is connected with a mechanical lock hook in a locking state in a clamping mode in the isolation state.

2. A mechanical lock isolation device as claimed in claim 1, wherein: the unlocking cable tray is further connected with the second unlocking steel wire rope, and the second unlocking steel wire rope is driven to pull back when the unlocking cable tray rotates in the first rotating direction.

3. A mechanical lock isolation device as claimed in claim 1, wherein: the mechanical lock hook and the isolation lock hook are locked and isolated, and are triggered.

4. A mechanical lock isolation device as claimed in claim 1, wherein: the mechanical lock hook locking device is characterized by further comprising a mounting support, wherein the mechanical lock hook mounting shaft, the stop mounting shaft, the isolation lock hook mounting shaft, the locking switch, the isolation switch and the unlocking element are all arranged on the mounting support.

5. A mechanical lock isolation device of any of claims 1-4, wherein: still include spacing recess, first spacing component, be provided with spacing recess on the mechanical lock hook, be provided with first spacing component on the isolation lock hook, first spacing component rotates along with the isolation lock hook is synchronous, and when the mechanical lock hook was in the locking state, first spacing component free end rotated along spacing recess, until mechanical lock hook and isolation lock hook looks joint.

6. A mechanical lock isolation device of any of claims 1-4, wherein: still include couple, second flange, be provided with the couple between mechanical lock hook, the isolation latch hook, set up the torsional spring on the couple, cup jointed the pivot in the torsional spring, couple one end and mechanical lock hook edge contact, the couple is rotatory at first direction of rotation under the effect of torsional spring, the couple other end and the second flange looks joint on the isolation latch hook, when mechanical lock hook locking, the couple other end and the second flange phase separation of isolation latch hook.

7. A mechanical lock isolation device of any of claims 1-4, wherein: still include first spacing lug, the spacing lug of second, mechanical lock hook one side is provided with first spacing lug, keeps apart lock hook one side and is provided with the spacing lug of second, first spacing lug contacts with the spacing lug of second, and when first spacing lug and the spacing lug of second contacted, it is rotatory that the unable first direction of rotation of isolation lock hook, when mechanical lock hook locking, first spacing lug and the spacing lug phase separation of second.

8. A mechanical lock isolation device of any of claims 1-4, wherein: be provided with spacing recess on the mechanical lock hook, keep apart the lock hook front end and be provided with spacing recess matched with joint portion, when the mechanical lock hook was in the locking state, keep apart the joint portion of lock hook and rotate along spacing recess, until mechanical lock hook and isolation lock hook looks joint.

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