阅读说明：本技术 轨道站台门的端门门锁止挡组件 (End door lock stop assembly of rail platform door ) 是由 颜廷玉 彭凌嵩 林松雪 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种轨道站台门的端门门锁止挡组件,包括用于轨道站台门的端门、端门上横梁、端门锁和止挡块,端门锁安装在端门的后侧靠顶部位置处,端门上横梁的底部开设有左右延伸的止挡块安装槽,在止挡块安装槽的后方设置有锁舌卡槽,止挡块水平横向插入安装在止挡块安装槽内,并通过水平纵向插入的锁止销锁紧固定,从而实现止挡块在端门上横梁内的嵌入安装,并能在拆下锁止销后将止挡块从止挡块安装槽内快速水平横向抽出；当端门由前向后关闭时,端门锁从止挡块下方滑过且锁舌被压缩,直至锁舌伸入止挡块后侧的锁舌卡槽内,此时止挡块正好挡在端门锁的锁舌正前方实现锁止。保证端门关闭时稳定不易产生晃动噪音,并能在端门锁出现故障时顺利打开端门。(The invention discloses an end door lock stopping assembly of a track platform door, which comprises an end door, an end door upper cross beam, an end door lock and a stopping block, wherein the end door, the end door upper cross beam, the end door lock and the stopping block are used for the track platform door; when the end door is closed from front to back, the end door lock slides from the lower part of the stop block and the lock tongue is compressed until the lock tongue extends into the lock tongue clamping groove at the rear side of the stop block, and at the moment, the stop block is just in front of the lock tongue of the end door lock to realize locking. The end door is guaranteed to be stable and not prone to generating shaking noise when closed, and the end door can be smoothly opened when the end door lock breaks down.)

1. An end door lock backstop assembly of track platform door, is including end door (1), end door entablature (2), end door lock (3) and backstop piece (4) that are used for track platform door, the rear side of end door (1) is installed in end door lock (3) and is leaned on top position department, its characterized in that: the bottom of the end door upper cross beam (2) is provided with a stop block mounting groove (5) extending leftwards and rightwards, a bolt clamping groove (6) is formed in the rear of the stop block mounting groove (5), the stop block (4) is horizontally and transversely inserted into the stop block mounting groove (5) and is locked and fixed through a locking pin (7) which is horizontally and longitudinally inserted, so that the stop block (4) is embedded and mounted in the end door upper cross beam (2), and the stop block (4) can be quickly and horizontally drawn out from the stop block mounting groove (5) after the locking pin (7) is detached; when the end door (1) is closed from front to back, the end door lock (3) slides from the lower part of the stop block (4) and the bolt (3a) is compressed until the bolt (3a) extends into the bolt clamping groove (6) at the rear side of the stop block (4), and the stop block (4) is just blocked in front of the bolt (3a) of the end door lock (3) to realize locking.

2. An end door lock stop assembly according to claim 1, wherein: the cross section of the stop block (4) is I-shaped, the corner position of the bottom of the front end of the stop block (4) is rounded, and the corner position of the top of the rear end of a lock tongue (3a) of the end door lock (3) is also rounded.

3. An end door lock stop assembly according to claim 2, wherein: backstop piece (4) length is less than the length of end door entablature (2), and locking round pin (7) vertically link up end door entablature (2) and pass from the middle part of backstop piece (4), the lower part height of backstop piece (4) is highly unanimous with spring bolt draw-in groove (6), and the height of spring bolt draw-in groove (6) is equal with spring bolt (3a) flexible volume of end lock (3), the up end of end lock (3) fixed part flushes with the up end of end door (1).

4. An end door lock stop assembly for a track platform door according to any one of claims 1 to 3, wherein: a drawing handle is arranged on the front wall of the stop block (4).

Technical Field

The invention relates to a subway station platform door system, in particular to an end door lock stop assembly of a railway platform door.

Background

The platform door system is an important component of a subway station, and mainly plays roles of isolating passengers from a rail running area, ensuring the safety of the passengers, saving energy and being attractive.

After the track platform door system is installed, the end door is responsible for isolating the two side rail traveling areas of the platform from the passenger area, the end door is subjected to piston wind coming and going from the train, the stress is large, and the requirement on the end door lock (usually adopting a top-to-bottom lock) is high. In the current engineering, an end door lock is installed at the position close to the top of the rear side of an end door, a stop block is fixed on the side wall of an upper cross beam of the end door through a bolt, and when the end door is closed, a lock tongue of the end door lock realizes locking through the stop block. The backstop piece passes through the bolt fastening, and anti-vibration ability is poor, and the backstop piece is not hard up easily under the repetitive action of end lock when the end door is closed, and the noise is rocked in the easy production of end door under the effect of piston wind to the not hard up back of backstop piece simultaneously, increases the maintenance cost, experiences the influence great to the passenger in the district of waiting. And once the end door lock breaks down, the end door cannot be opened to play an evacuation role, so that potential safety hazards exist.

Disclosure of Invention

The invention aims to provide an end door lock stopping assembly of a track platform door, which ensures that the end door is stable and difficult to generate shaking noise when closed and can smoothly open the end door when the end door lock fails.

Therefore, the technical scheme adopted by the invention is as follows: an end door lock stopping assembly of a track platform door comprises an end door, an end door upper cross beam, an end door lock and a stopping block, wherein the end door lock is arranged at the position close to the top of the rear side of the end door, a stopping block mounting groove extending left and right is formed in the bottom of the end door upper cross beam, a lock tongue clamping groove is formed in the rear of the stopping block mounting groove, the stopping block is horizontally and transversely inserted into the stopping block mounting groove and is locked and fixed through a horizontally and longitudinally inserted locking pin, so that the embedded installation of the stopping block in the end door upper cross beam is realized, and the stopping block can be quickly and horizontally drawn out from the stopping block mounting groove after the locking pin is detached; when the end door is closed from front to back, the end door lock slides from the lower part of the stop block and the lock tongue is compressed until the lock tongue extends into the lock tongue clamping groove at the rear side of the stop block, and at the moment, the stop block is just in front of the lock tongue of the end door lock to realize locking.

Preferably, the cross section of the stop block is in an I shape, the corner position of the bottom of the front end of the stop block is rounded, and the corner position of the top of the rear end of the lock tongue of the end door lock is also rounded. The stop block is I-shaped, so that the contact area between the stop block and the upper cross beam is further increased, the front and rear stress balance can be ensured, and the stop block is convenient and reliable to pull and mount; the rounding design can ensure that the spring bolt of end door lock is pressed down by the backstop piece automatically and passes through smoothly in the end door closing process, and the backstop piece just in time keeps off the realization locking in the dead ahead of the spring bolt of end door lock after closing.

Preferably, the length of the stop block is smaller than that of the end door upper cross beam, the locking pin longitudinally penetrates through the end door upper cross beam and penetrates through the middle of the stop block, the height of the lower portion of the stop block is consistent with that of the lock tongue clamping groove, the height of the lock tongue clamping groove is equal to the telescopic amount of a lock tongue of the end door lock, and the upper end face of the fixed portion of the end door lock is flush with the upper end face of the end door. In the existing structure, the upper end face of an end door lock is lower than that of an end door, the bottom of a stop block protrudes out of the lower end face of an upper beam of the end door, the end door can impact the stop block in the closing process of the end door lock, the stop block is accelerated to be loose, and the structural design avoids the problem that the end door impacts the stop block.

Preferably, a drawing handle is arranged on the front wall of the stop block, so that the stop block can be conveniently drawn.

The invention has the beneficial effects that: the novel end door upper beam structure is adopted, the stop block which is generally arranged on the side wall of the end door upper beam at present is changed into a structure embedded in the end door upper beam, so that the stress area is enlarged, the stability of the end door is ensured, and the looseness and the shaking noise are avoided; meanwhile, the embedded end door stopping block is provided with a locking pin as an emergency safety lock, once the end door lock breaks down, the emergency safety lock can be opened, the end door stopping block is horizontally taken out, the end door can be directly opened, and the potential safety hazard that the end door lock cannot be opened when the end door lock breaks down is eliminated.

Drawings

Fig. 1 shows the off-lock state of the present invention.

FIG. 2 is a schematic view of the mounting of the stop block to the end door upper rail.

Fig. 3 is a schematic of the unlock opening process of the present invention.

Fig. 4 shows a state in which the withdrawal stopper of the present invention is opened in an emergency.

Detailed Description

The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:

referring to fig. 1-4, an end door lock stopping assembly for a track platform door comprises an end door 1 for the track platform door, an end door upper beam 2, an end door lock 3, a stopping block 4 and a locking pin 7. The description is made with the left-right, up-down labeled orientation indicating arrows in fig. 4.

The end door lock 3 is installed at the position close to the top of the rear side of the end door 1, and the bottom of the end door upper beam 2 is provided with a stop block installation groove 5 extending left and right. In engineering practice, the end door upper cross beam is generally made of custom steel, and the end door upper cross beam 2 in the structure adopts a modified section bar, so that conditions are provided for the embedded installation of the stop dog 4 on the end door upper cross beam.

A bolt clamping groove 6 is formed in the rear of the stop block mounting groove 5, a bolt 3a of the end door lock 3 can be inserted into the bolt clamping groove 6, and the size of the bolt clamping groove 6 is matched with the bolt 3 a. The stop block 4 is horizontally and transversely inserted into the stop block mounting groove 5 and is locked and fixed through a locking pin 7 which is horizontally and longitudinally inserted, so that the stop block 4 is embedded and mounted in the end door upper cross beam 2, and the stop block 4 can be quickly and horizontally pulled out from the stop block mounting groove 5 after the locking pin 7 is detached. The embedded installation is convenient, and the contact area between the stop block 4 and the upper end door beam 2 can be increased; meanwhile, compared with the traditional structure, the hidden installation mode of the stop block 4 can prevent the end door from laterally impacting the stop block 4 when being closed. The structure can ensure the stability and reliability of the stop block and the stability and reliability of the end door, avoids loosening and shaking noise, improves the waiting experience comfort of passengers, reduces the maintenance cost, and also provides a precondition basis for emergency safety opening.

When the end door 1 is closed from front to back, the end door lock 3 slides from the lower part of the stop block 4 and the bolt 3a is compressed until the bolt 3a extends into the bolt clamping groove 6 at the rear side of the stop block 4, and at the moment, the stop block 4 just stops in front of the bolt 3a of the end door lock 3 to realize locking. After the bolt 3a crosses the stop block 4, the bolt automatically extends into the bolt clamping groove 6 to realize locking.

Preferably, the cross section of the stop block 4 is i-shaped, the corner position of the bottom of the front end of the stop block 4 is rounded, and the corner position of the top of the rear end of the bolt 3a of the end door lock 3 is also rounded.

In addition, the length of the stop block 4 is smaller than that of the end door upper cross beam 2, the locking pin 7 longitudinally penetrates through the end door upper cross beam 2 and penetrates through the middle of the stop block 4, and the stop block mounting groove 5 does not penetrate through the whole length direction of the end door upper cross beam 2. The lower part height of backstop piece 4 is unanimous with the height of spring bolt draw-in groove 6, and the height of spring bolt draw-in groove 6 equals with the flexible volume of spring bolt 3a of end door lock 3, and the up end of the fixed portion of end door lock 3 flushes with the up end of end door 1.

To facilitate the withdrawal of the stop piece 4, a withdrawal handle (not shown) is provided on the front wall of the stop piece 4.

Fig. 1 shows that the door lock is in a closed locking state, a lock tongue 3a of the end door lock 3 extends into a lock tongue clamping groove 6, and a stop block 4 is blocked right in front of the lock tongue 3a to realize locking. Fig. 3 shows the unlocking and opening process, the end door lock 3 is unlocked, the bolt 3a of the end door lock 3 retracts, the end door 1 and the end door lock 3 move forward, and after the end door lock passes the stop block 4, the unlocking mechanism of the end door lock 3 is released, and the bolt 3a returns. Fig. 4 shows that when the end door lock 3 fails and cannot be opened, the end door 1 can be opened smoothly by removing the locking pin 7 and horizontally withdrawing the stopper 4.