CN212608967U - Locking device for front edge plate of escalator - Google Patents
Locking device for front edge plate of escalator Download PDFInfo
- Publication number
- CN212608967U CN212608967U CN202021150070.2U CN202021150070U CN212608967U CN 212608967 U CN212608967 U CN 212608967U CN 202021150070 U CN202021150070 U CN 202021150070U CN 212608967 U CN212608967 U CN 212608967U
- Authority
- CN
- China
- Prior art keywords
- edge plate
- front edge
- lock
- wire rope
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses an automatic staircase forward position board locking device aims at providing the automatic staircase forward position board locking device that help was lifted by crane and can prevent burglary. It includes forward position board, locking mechanism, release mechanism and forward position board frame, locking mechanism fixes the below at the forward position board, and locking mechanism includes fixing base, spring, locking lever and the spring bolt of arranging in proper order from a left side to the right side, and the spring passes through the locking lever to be connected with the spring bolt, and forward position board frame includes vertical spacing body and the horizontal spacing body of transversely arranging the forward position board below of arranging and pasting with forward position board lateral wall, release mechanism includes wire rope and tapered end, and the one end that the locking lever was kept away from to wire rope one end and spring is connected, and the wire rope other end is connected bottom the tapered end, and forward position board middle part is equipped with the through-. This scheme of adoption can enough alleviate workman's intensity of labour when lifting by crane the forward position board, also provides the function of theftproof for the forward position board after the lid closes.
Description
Technical Field
The utility model relates to an automatic escalator technical field especially relates to an automatic staircase forward position board locking device.
Background
The leading edge panel of an escalator is the necessary area for passengers to enter and exit the escalator steps, and the leading edge panel is also a firm enclosure that protects the machine room components. The front edge plate is made of stainless steel and aluminum alloy sections, so that the front edge plate is heavy, and a lifting device is needed when the front edge plate is opened for overhauling and maintaining, so that the labor intensity of workers is reduced. The lifting device needs to be additionally carried, is generally a metal piece, has heavier weight, is not changed in carrying, and is easy to lose. And the leading edge plate made of metal has certain economic value and has the possibility of being stolen, so that the personal safety of passengers can be threatened and important parts of the machine room can be damaged once the leading edge plate is stolen.
The invention discloses a Chinese patent publication No. CN202967829U, published 2013, 06 and 05, and provides a front edge plate structure of an escalator, relating to the technical field of escalators. The utility model discloses a backup pad is arranged respectively along this length direction's of forward position board both sides, along this length direction's of forward position board upper surface arrangement paster, fixed connection between paster and the backup pad. The utility model discloses a simple structure has been realized, prevents that the forward position board from sticking up the limit or come unstuck, extension forward position board life's purpose. The front edge plate has the disadvantages of poor safety and anti-theft performance and easy loss and theft.
Disclosure of Invention
The utility model overcomes the difficult shortcoming of lifting by crane when current forward position board is lost easily, the dimension is protected provides one kind and lifts by crane forward position board locking device that the forward position board is more laborsaving, can make the forward position board automatic re-setting after the dimension is protected again.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a front edge plate locking device of an escalator comprises a front edge plate, a locking mechanism, an unlocking mechanism and a front edge plate frame, wherein one end of the front edge plate is connected with the front edge plate frame, the locking mechanism is fixed below the front edge plate and comprises a fixed seat, a spring, a lock rod and a lock tongue, one end of the spring arranged in the fixed seat is connected with the lock tongue through the lock rod, the front edge plate frame comprises a vertical limiting body which is vertically arranged and is adhered to the side wall of the front edge plate and a horizontal limiting body which is transversely arranged below the front edge plate, the unlocking mechanism comprises a steel wire rope and a lock head, one end of the steel wire rope is connected with one end, far away from the lock rod, of the spring, the other end of the steel wire rope is connected with the bottom of the lock head, a through hole for accommodating the lock head is arranged in the middle of the front edge plate, when the, the spring bolt moves towards the direction close to the fixed seat and has a gap with the transverse limiting body.
A fixed seat in the locking mechanism is equivalent to a support frame, and helps a spring and a lock rod to be fixed below the front edge plate. The locking mechanism performs the following process of locking the front edge plate:
the in-process that the leading edge board closed at the lid, leading edge board one end can be earlier with the butt of leading edge flange frame, and the vertical spacing body of leading edge board lateral wall and leading edge flange frame is pasted promptly. Then the spring bolt that is in the front edge board below can take place the contact with horizontal spacing body, because the spring bolt left side passes through locking lever and spring coupling, the spring bolt is kept out the back by horizontal spacing body, horizontal spacing body can exert a thrust left to the spring bolt. The thrust can impel the spring to take place to shrink, and the spring after the shrink can lead to the spring bolt to the direction motion of being close to the fixing base, and the distance of spring bolt and horizontal spacing body can be more and more far away promptly. Meanwhile, the front edge plate is still in the process of continuously covering downwards. After the spring bolt returns and bypasses the transverse limiting body, the spring bolt is temporarily positioned at the left lower side of the transverse limiting body, the transverse limiting body does not apply thrust to the spring bolt, the spring returns to the original length, the spring bolt is pushed rightwards, the spring bolt reaches the position right below the transverse limiting body, then the upper surface of the spring bolt and the lower surface of the transverse limiting body are locked, and the transverse limiting body on the frame of the front edge plate plays a role in locking the spring bolt to prevent the front edge plate from upwarping.
The work flow of the unlocking mechanism is as follows:
when the leading edge plate is locked by the locking mechanism, the leading edge plate is horizontally arranged. When the front edge plate is unlocked and opened, the through hole in the middle of the front edge plate is found first, and a lock head is arranged in the through hole. The lock head is pulled upwards, and the lower end of the lock head is connected with the steel wire rope, so the steel wire rope is also pulled upwards. The steel wire rope can stimulate the spring, then the spring can stimulate the lock rod and the lock tongue to move left and gradually keep away from the horizontal limiting body, the lock tongue no longer receives the limiting effect of the horizontal limiting body in the vertical direction, the locking mechanism is unlocked, the lock head is continuously stimulated, and the front edge plate can be pulled out from the frame of the front edge plate.
Preferably, the lock tongue comprises a connecting body connected with the lock rod and a lock tongue tail end connected with the front edge plate frame, and the lock tongue tail end is provided with an inclined surface structure. Specifically, the inclined plane that here set up is from the terminal lower left corner of spring bolt right upper corner direction slope, and such inclined plane closes the in-process at the front edge board lid, and the spring also contracts more easily by the horizontal spacing body promotion of front edge board frame, and the spring can easily walk around horizontal spacing body and come the below of horizontal spacing body, has improved locking mechanism's locking efficiency.
Preferably, a limiting nut is arranged between the steel wire rope and the spring and is positioned on the left side of the fixed seat. Stop nut is in the left side of fixing base all the time, and to be precise, stop nut moves (when the tapered end was pulled up, stop nut moved to the left side, when the tapered end put back in the through-hole back, stop nut returned to the normal position owing to the effect of spring and pasted mutually with the left side wall of fixing base), and stop nut can prevent that wire rope from being drawn into in the fixing base and spring twine together, improves the reliability of release mechanism during operation.
Preferably, the steel wire rope is sleeved with a limiting heavy hammer, and the diameter of the limiting heavy hammer is larger than the inner diameter of the through hole. The limiting heavy hammer plays a role in limiting and bearing, and prevents the lock rod or the lock tongue from deforming and being damaged due to the fact that excessive tensile force acts on the steel wire rope. When the front edge plate is closed again, the lock head is loosened, and the limiting heavy hammer can drive the steel wire rope to retract below the front edge plate under the action of gravity, so that quick reset is realized.
Preferably, the through hole is a counter bore, threads are arranged in the counter bore, and the lock head is in threaded connection with the counter bore. The design of counter sink can have a spacing design to the tapered end, prevents that the tapered end from falling into the leading edge board below, adopts threaded connection's mode to fix the tapered end in the through-hole both improved the firm degree of connection between them and also conveniently carry out unblock work.
Preferably, a sleeve connected with the lower edge of the lock is arranged below the lock, the sleeve is connected with the lock through a pin shaft, a connector connected with a steel wire rope is arranged inside the sleeve, the lower end of the connector is connected with the steel wire rope, and the upper end of the connector is embedded in the sleeve and can rotate freely. The sleeve and the connector are additionally arranged between the lock head and the steel wire rope, so that the connector and the lock head are in non-fixed connection. When the lock head rotates, the connector and the steel wire rope cannot rotate, so that the situation that the unlocking and the lifting of the front edge plate are influenced due to the fact that the steel wire rope is rotated and knotted can be avoided.
Preferably, the front surface of the lock head is in a triangular lock form matched with a triangular key. Adopt the triangular lock, can prevent that general people maloperation from carrying out the unblock to the leading edge board. Because the leading panel only needs to be unlocked for opening at the time of installation or maintenance.
Compared with the prior art, the beneficial effects of the utility model are that:
the device is provided with a spring-controlled locking mechanism and an unlocking mechanism which is provided with a steel wire rope and a lock tongue, so that the anti-theft effect can be ensured, and the lifting requirement can be met;
the lifting holes do not need to be additionally arranged on the front edge plate, so that the overall quality and the aesthetic degree of the front edge plate are ensured;
when the escalator is installed, a locking support does not need to be installed, and the work of repeatedly adjusting and aligning is omitted;
in the process of later-stage maintenance and maintenance, the unlocking of the spring bolt can be completed when the worker lifts the front edge plate, the locking action of the spring bolt can be completed when the front edge plate is closed, and the device is simple, practical and reliable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of the unlocking operation of the present invention
In the figure: the front edge plate comprises a front edge plate 1, a front edge plate frame 2, a vertical limiting body 21, a horizontal limiting body 22, a bolt 3, a connecting body 31, a bolt tail end 32, a lock rod 4, a spring 5, a fixed seat 6, a limiting nut 7, a limiting heavy hammer 8, a steel wire rope 9, a lock head 10, a through hole 11, a sleeve 12, a pin shaft 13 and a connecting head 14.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, a locking device for a front edge plate of an escalator comprises a front edge plate 1, a locking mechanism, an unlocking mechanism and a front edge plate frame 2, wherein one end of the front edge plate 1 is connected with the front edge plate frame 2, the locking mechanism is fixed below the front edge plate 1, the locking mechanism comprises a fixed seat 6, a spring 5, a lock rod 4 and a lock tongue 3 which are sequentially arranged from left to right, the spring 5 is arranged below the front edge plate 1 through the fixed seat 6, the spring 5 is connected with the lock tongue 3 through the lock rod 4, the front edge plate frame 2 comprises a vertical limiting body 21 which is vertically arranged and is adhered to the side wall of the front edge plate 1 and a horizontal limiting body 22 which is transversely arranged below the front edge plate 1, the unlocking mechanism comprises a steel wire rope 9 and a lock head 10, one end of the steel wire rope 9 is connected with one end of the spring 5, which is far away from the lock rod 4, the other end, when the locking mechanism is in a locking state, the upper surface of the bolt 3 is attached to the lower surface of the transverse limiting body 22, and when the spring 5 is pulled or contracted by the steel wire rope 9, the bolt 3 moves towards the direction close to the fixing seat 6 and has a gap with the transverse limiting body 22.
The bolt 3 comprises a connecting body 31 connected with the lock rod 4 and a bolt tail end 32 connected with the front edge plate frame 2, wherein the bolt tail end 32 is provided with an inclined surface structure, and the inclined surface inclines from the lower left corner of the bolt tail end 32 to the upper right corner of the bolt tail end.
When the front edge plate 1 is closed, the spring bolt 3 firstly contacts the front edge plate frame 2, due to the inclined plane design of the tail end 32 of the spring bolt, the spring bolt 3 automatically retreats, the spring 5 contracts, then when the front edge plate 1 is completely closed, the spring bolt 3 is positioned below the front edge plate frame 2, the spring 5 elasticity at the left side of the lock rod 4 forces the spring bolt 3 to advance (move rightwards), and the spring bolt and the front edge plate frame 2 (horizontal limiting body) complete the locking action. At this time, the upper surface of the lock tongue 3 is attached to the lower surface of the horizontal limiting body 22.
As shown in fig. 1 and 2, a limit nut 7 is arranged between the steel wire rope 9 and the spring 5, and the limit nut 7 is located on the left side of the fixed seat 6. The steel wire rope 9 is sleeved with a limiting heavy hammer 8, and the diameter of the limiting heavy hammer 8 is larger than the inner diameter of the through hole 11. The through hole 11 is a counter bore, threads are arranged in the counter bore, and the lock head 10 is in threaded connection with the counter bore. A sleeve 12 connected with the lower edge of the lock is arranged below the lock 10, the sleeve 12 is connected with the lock 10 through a pin shaft 13, a connector 14 connected with a steel wire rope 9 is arranged inside the sleeve 12, the lower end of the connector 14 is connected with the steel wire rope 9, and the upper end of the connector 14 is embedded in the sleeve 12 and can rotate freely. The front surface of the lock head 10 adopts a triangular lock form matched with a triangular key.
When maintaining the leading edge board, need open leading edge board 1, rotatory tapered end 10 (because tapered end and through-hole are thread fit) earlier, rotatory tapered end 10 rises automatically simultaneously, conveniently takes. The tapered end 10 continues to be lifted upwards, drives the wire rope 9 under the tapered end to move upwards, and because the wire rope 9 is connected with the lock rod 4 through the spring 5, the wire rope 9 can drive the lock rod 4 to move to the left (to moving away from the front edge plate frame), when the displacement reaches a certain distance, the lock tongue end 32 can break away from the horizontal limiting body 22 of the front edge plate frame 2 to complete the unlocking, and at the moment, the front edge plate 1 is opened, and the vertical limiting body 21 can be used as a fulcrum to lift the front edge plate 1. At this time, as shown in fig. 3, the direction indicated by the arrow in the figure is the unlocking direction, the limiting weight 8 fixed on the wire rope 9 also contacts the lower surface of the front edge plate 1, and the whole front edge plate 1 is driven to move upwards by the limiting weight 8, so as to avoid the pulling force of the wire rope 9 directly acting on the front edge plate 1 (which may cause the wire rope to be damaged due to too large pulling force). When the front edge plate 1 needs to be closed, after the lock head 10 is loosened, the limiting heavy hammer 8 can bring the steel wire rope 9 outside the front edge plate 1 back to the front edge plate 1 under the action of self gravity, and the steel wire rope 9 is rapidly reset. Finally, the locking head 10 is screwed into the through hole 11, and the front edge plate 1 is covered.
Claims (7)
1. The front edge plate locking device of the escalator is characterized by comprising a front edge plate, a locking mechanism, an unlocking mechanism and a front edge plate frame, wherein one end of the front edge plate is connected with the front edge plate frame, the locking mechanism is fixed below the front edge plate, the locking mechanism comprises a fixing seat, a spring, a lock rod and a lock tongue, one end of the spring arranged in the fixing seat is connected with the lock tongue through the lock rod, the front edge plate frame comprises a vertical limiting body which is vertically arranged and is adhered to the front edge plate side wall and a horizontal limiting body which is transversely arranged below the front edge plate, the unlocking mechanism comprises a steel wire rope and a lock head, one end of the steel wire rope is connected with one end of the spring, which is far away from the lock rod, the other end of the steel wire rope is connected with the bottom of the lock head, a through hole for accommodating the lock head is arranged in the middle part of the front edge plate, the spring bolt moves towards the direction close to the fixed seat and has a gap with the transverse limiting body.
2. The escalator leading edge plate locking device of claim 1, wherein the latch bolt comprises a connecting body connected with the lock rod and a latch bolt tail end connected with the leading edge plate frame, and the latch bolt tail end is provided with a bevel structure.
3. The escalator leading edge plate locking device according to claim 1, wherein a limiting nut is arranged between the steel wire rope and the spring, and the limiting nut is located on the left side of the fixed seat.
4. The escalator leading edge plate locking device according to claim 1, wherein a limiting weight is sleeved on the steel wire rope, and the diameter of the limiting weight is larger than the inner diameter of the through hole.
5. The escalator leading edge plate locking device according to claim 1, wherein the through hole is a counter bore, threads are arranged in the counter bore, and the locking head is in threaded connection with the counter bore.
6. The escalator leading-edge plate locking device according to claim 1, wherein a sleeve connected with a lower edge of the lock is arranged below the lock, the sleeve is connected with the lock through a pin shaft, a connector connected with the steel wire rope is arranged inside the sleeve, the lower end of the connector is connected with the steel wire rope, and the upper end of the connector is embedded in the sleeve and can rotate freely.
7. The escalator leading edge plate locking device of claim 5, wherein the lock head front face is in the form of a triangular lock adapted with a triangular key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150070.2U CN212608967U (en) | 2020-06-19 | 2020-06-19 | Locking device for front edge plate of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150070.2U CN212608967U (en) | 2020-06-19 | 2020-06-19 | Locking device for front edge plate of escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212608967U true CN212608967U (en) | 2021-02-26 |
Family
ID=74755799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150070.2U Active CN212608967U (en) | 2020-06-19 | 2020-06-19 | Locking device for front edge plate of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212608967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689356A (en) * | 2020-06-19 | 2020-09-22 | 杭州西奥电梯有限公司 | Locking device for front edge plate of escalator |
-
2020
- 2020-06-19 CN CN202021150070.2U patent/CN212608967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689356A (en) * | 2020-06-19 | 2020-09-22 | 杭州西奥电梯有限公司 | Locking device for front edge plate of escalator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101960059B1 (en) | Safety device for fall prevention of steel tower | |
| CN212608967U (en) | Locking device for front edge plate of escalator | |
| CN113250434B (en) | Multifunctional composite scaffold system | |
| US2872717A (en) | Safety hook | |
| CN111689356A (en) | Locking device for front edge plate of escalator | |
| CN211313321U (en) | Automatic opening and closing hanging basket | |
| CN217172942U (en) | Hoist device is used in installation of prefabricated stair of assembled | |
| CN115853154B (en) | Environment-friendly and energy-saving prefabricated component for composite external wall panel | |
| US6189673B1 (en) | Floor for passenger conveyor | |
| CN214879555U (en) | Improved lifting hook for preventing steel wire rope from falling off | |
| CN210143072U (en) | Elevator safe operation security protection monitoring device | |
| CN108033338A (en) | A kind of building construction hoist rope broken protector | |
| CN220642183U (en) | Lower jacking well type construction lifter | |
| CN218598150U (en) | Pit cat ladder | |
| CN220283456U (en) | Lifting limiting mechanism and double-column lifter | |
| KR200220765Y1 (en) | Crane hook attached locking device | |
| CN218809886U (en) | Combined hoisting equipment | |
| CN217148219U (en) | Turnover elevator safety door | |
| CN220723236U (en) | High-safety obstacle meeting stopping mechanism | |
| CN2106820U (en) | Tower-landing elevator for medium-small tower crane | |
| CN113353859B (en) | Anti-falling elevator | |
| CN219384420U (en) | Door lock device for cage of construction lifter | |
| CN210622605U (en) | Anti-falling safety device for industrial door | |
| CN215854637U (en) | Auxiliary fixing device for lifting hook for crane | |
| CN220184591U (en) | Standardized hanging basket for transporting various materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |