CN113942909A - Protective device for elevator shaft and using method thereof - Google Patents
Protective device for elevator shaft and using method thereof Download PDFInfo
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- CN113942909A CN113942909A CN202111302768.0A CN202111302768A CN113942909A CN 113942909 A CN113942909 A CN 113942909A CN 202111302768 A CN202111302768 A CN 202111302768A CN 113942909 A CN113942909 A CN 113942909A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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Abstract
The invention provides a protective device for an elevator shaft, wherein a lift car is arranged in the elevator shaft in a sliding manner, and the protective device comprises: the protection part is rotatably arranged on the side wall of the elevator shaft and used for blocking the elevator shaft, and the protection part is arranged corresponding to the position where the car is to be stopped; one end of the limiting piece is fixedly arranged on the side wall of the elevator shaft and is arranged at a position close to the protection piece, the other end of the limiting piece is connected with the protection piece in a clamping mode, and the limiting piece can be adjusted in a telescopic mode towards a direction close to or far away from the protection piece; and the induction switch is arranged on the limiting part, induces the car through the induction switch to control the limiting part to contract, so that the end part of the limiting part close to the protection part is separated from the protection part, the car pushes the protection part to drive the protection part to rotate, and the car passes through the protection part. The invention can lead the user to fall to the top surface of the protection part, thereby avoiding directly falling to the bottommost part of the elevator shaft and improving the safety of the elevator shaft.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a protective device for an elevator shaft and a using method thereof.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. A vertical lift elevator has a car that travels between at least two vertical rows of rigid guide rails.
The existing elevator shaft is generally not provided with better protection measures, if the elevator door breaks down, a user can fall into the elevator shaft through the elevator door, if the elevator door does not break down, the user can be greatly injured, and the safety accident can be caused in serious cases.
Disclosure of Invention
In view of the above circumstances, the present invention provides a protection device for an elevator shaft and a method for using the same, which solve the technical problems that the conventional elevator shaft has no protection measure and is easy to have safety accidents, and the protection device is provided with a limit component in the elevator shaft, which is sensitive to the position of a car, and a protection component in control connection with the limit component to protect the elevator shaft.
In order to achieve the purpose, the invention adopts the technical scheme that:
a protective device for an elevator hoistway, the elevator hoistway having a car sliding therein, the protective device comprising:
the protection part is rotatably arranged on the side wall of the elevator shaft and used for blocking the elevator shaft, and the protection part is arranged corresponding to the position where the car is to be stopped;
one end of the limiting piece is fixedly arranged on the side wall of the elevator shaft and is arranged at a position close to the protection piece, the other end of the limiting piece is connected with the protection piece in a clamping mode, and the limiting piece can be adjusted in a telescopic mode towards a direction close to or far away from the protection piece; and
the induction switch is arranged on the limiting part, the car is induced through the induction switch to control the limiting part to shrink, so that the end part of the limiting part close to the protection part is separated from the protection part, the car pushes the protection part to drive the protection part to rotate, and the car passes through the protection part.
The protection device for the elevator shaft is further improved in that the side part of the protection part corresponding to the position of the limiting part is provided with an inserting hole;
the locating part is including the cylinder that is fixed in the lateral wall of elevator well, and the cylinder has the transmission shaft that outwards stretches, and the spliced eye is located to the transmission shaft insertion, through the cylinder shrink to drive the direction removal that the spliced eye was kept away from to the transmission shaft, make the transmission shaft take out from the spliced eye, thereby the connection of disconnection transmission shaft and spliced eye.
The protection device for the elevator shaft is further improved in that the protection part comprises a fixing plate fixedly connected to the elevator shaft, a second return spring, a fixing block and a sealing plate, wherein one end of the second return spring is fixedly connected to the fixing plate, the fixing block is fixedly connected to the other end of the second return spring, the sealing plate is fixedly connected to the fixing block, and the insertion hole is formed in the side portion, close to the air cylinder, of the fixing block;
move to the direction that is close to the shrouding through the car to the ejection shrouding, make the shrouding rotate and drive second reset spring and take place elastic deformation, after the car passes through the protection piece, second reset spring drives the shrouding and resets.
The invention further improves the protective device for the elevator shaft, and the sealing plate comprises a protective frame fixedly connected with the fixed block and staggered and meshed protective nets fixed on the protective frame.
The invention further improves the protective device for the elevator shaft, and the plug hole is non-circular, and the end part of the transmission shaft close to the plug hole is also non-circular and is matched with the shape of the plug hole.
The protective device for the elevator hoistway is further improved in that the protective device further comprises a plurality of bulges fixed on the side part of the transmission shaft at intervals, and the inserting hole is provided with a clamping groove corresponding to the bulges;
the transmission shaft is inserted into the insertion hole, so that the protrusion is clamped in the clamping groove, and the transmission shaft and the insertion hole are fixedly connected.
The protective device for the elevator shaft is further improved in that the protective device further comprises a controller which is rotatably connected to the elevator shaft and is arranged opposite to the inductive switch, and the controller is pushed by the elevator car so that the controller rotates and is in contact with the inductive switch, and therefore the limiting piece is triggered to contract and adjust.
The protection device for the elevator shaft is further improved in that the controller comprises a connecting plate fixed on the elevator shaft, a first return spring with one end fixed on the side of the connecting plate and a cross rod fixedly connected to the other end of the first return spring, and the cross rod is parallel to the connecting plate;
rotate through the horizontal pole and contact with inductive switch, and the horizontal pole rotates and drives first reset spring and take place elastic deformation, and after the car passed through the protection piece, first reset spring drove the horizontal pole and resets.
A method of using a protective device for an elevator hoistway, comprising the steps of:
providing a protection piece and a limiting piece, rotatably installing the protection piece on the side wall of the elevator shaft and corresponding to the position where the car is to be stopped, and arranging the limiting piece at a position close to the protection piece, wherein one end of the limiting piece is connected with the protection piece in a clamping manner;
when the car runs along the elevator shaft, the car moves to a position close to the protection piece, the induction switch induces the car to control the limiting piece to contract, so that the end part of the limiting piece close to the protection piece is separated from the protection piece, the car pushes the protection piece to drive the protection piece to rotate, and the car passes through the protection piece;
when the car breaks down, the car stops in the elevator well, and inductive switch can not respond to the car, and the locating part is connected with the protection part joint for the elevator well is plugged up to the protection part, thereby can catch the personnel of falling out in the car.
Furthermore, the limiting part comprises an air cylinder fixed in an elevator shaft, the air cylinder is provided with a transmission shaft which protrudes outwards, the side part of the protection part corresponding to the position of the limiting part is provided with an insertion hole, and the transmission shaft is inserted in the insertion hole;
inductive switch senses the car and contracts with control cylinder for the direction that the spliced eye was kept away from to the transmission shaft moves, thereby breaks off the connection of transmission shaft and spliced eye.
According to the protective device for the elevator shaft, the position of the car is sensed through the sensing switch, and then the limiting piece is disconnected with the protective piece, so that the car can push the protective piece to open the shaft conveniently to pass.
Drawings
Fig. 1 is a side sectional view of a protective device for an elevator hoistway of the present invention.
Fig. 2 is a top view of a controller of the protective apparatus for an elevator hoistway of the present invention.
Fig. 3 is a top cross-sectional view of a guard in the guard for an elevator hoistway of the present invention.
Fig. 4 is a cross-sectional view of a stopper rod of the protection device for an elevator shaft according to the present invention.
Fig. 5 is a sectional view of a stopping plate in a guard for an elevator shaft according to the present invention.
Fig. 6 is a side view of a guard in the guard for an elevator hoistway of the present invention.
The correspondence of reference numerals to components is as follows: the elevator system comprises an elevator hoistway 1, guide rails 11, a car 12, a hoisting machine 13, a control box 14, a mounting plate 15, an inductor 2, a controller 3, fixing bolts 31, a connecting plate 32, a first return spring 33, a cross bar 34, a first pulley 35, a fastening nut 36, a limiting part 4, a cylinder 41, a transmission shaft 42, an insertion section 43, a sealing shaft 44, a fixing disc 45, a protection part 5, a second pulley 51, a protection frame 52, a protection net 53, a fixing block 54, a fixing plate 61 and a second return spring 62.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 3, the present invention provides a protection device for an elevator shaft 1, in which a car 12 is slidably disposed, the protection device comprising:
a protection member 5 rotatably installed on a side wall of the elevator shaft 1 and used for plugging the elevator shaft, wherein the protection member 5 is arranged corresponding to a position where the car 12 is to be stopped;
one end of the limiting element 4 is fixedly installed on the side wall of the elevator shaft 1 and is arranged at a position close to the protection element 5, the other end of the limiting element 4 is connected with the protection element 5 in a clamping mode, and the limiting element 4 can be adjusted in a telescopic mode towards a direction close to or far away from the protection element 5; and
the inductive switch disposed on the limiting member 4 induces the car 12 through the inductive switch to control the limiting member 4 to contract, so that the end of the limiting member 4 close to the protection member 5 is separated from the protection member 5, the car 12 pushes the protection member 5 to drive the protection member 5 to rotate, and the car 12 passes through the protection member 5.
Preferably, as shown in fig. 1, the elevator hoistway 1 includes a guide rail 11 extending along the elevator hoistway 1, a mounting plate 15 disposed at the top of the guide rail 11, a car 12 slidably disposed at the guide rail 11, a sensor 2 mounted at the elevator hoistway 1 at an interval corresponding to a position where the car 12 is to be parked, a hoisting machine 13 connected to the car 12 and mounted at the top of the mounting plate 15, and a control box 14 disposed at the top of the mounting plate 15, wherein a rope of the hoisting machine 13 is connected to the top of the car 12, the hoisting machine 13 and the control box 14 are electrically connected, the rope is tightened by the hoisting machine 13 to lift the car 12, the rope is loosened by the hoisting machine 13 to lower the car 12, and after the car travels to a corresponding floor, the sensing by the sensor 2 enables the car 12 to be parked.
Preferably, the limiting member 4 is electrically connected with the control box 14.
According to the protection device for the elevator shaft, the position of the car 12 is sensed through the sensing switch, so that the limiting piece 4 is disconnected from the protection piece 5, the car 12 pushes the protection piece 5 to open the elevator shaft 1 conveniently, the protection piece 5 is convenient to pass through, when people fall through a car door due to improper operation, the limiting piece 4 is in control connection with the protection piece 5, a user can fall to the top of the protection piece 5, the situation that the people fall below the elevator shaft 1 is avoided, and the use safety of the car 12 is improved.
A preferred embodiment of the protection device for an elevator shaft according to the present invention is that, as shown in fig. 3, a plug hole is formed at a position corresponding to the position of the limiting member 4 on a side portion of the protection member 5; the limiting part 4 comprises a cylinder 41 fixed on an elevator shaft, the cylinder 41 is provided with a transmission shaft 42 protruding outwards, the transmission shaft 42 is inserted into the insertion hole, and the transmission shaft 42 is contracted through the cylinder 41 to drive the transmission shaft 42 to move towards the direction far away from the insertion hole, so that the transmission shaft 42 is pulled out from the insertion hole, and the connection between the transmission shaft 42 and the insertion hole is disconnected.
Further, as shown in fig. 6, the protection member 5 includes a fixing plate 61 fixedly connected to the elevator shaft 1, a second return spring 62 having one end fixedly connected to the fixing plate 61, a fixing block 54 fixedly connected to the other end of the second return spring 62, and a sealing plate fixedly connected to the fixing block 54, wherein the insertion hole is opened at a side portion of the fixing block 54 close to the cylinder 41;
move to the direction that is close to the shrouding through car 12 to push against the shrouding, make the shrouding rotate and drive second reset spring 62 and take place elastic deformation, after car 12 passes through protection piece 5, second reset spring 62 drives the shrouding and resets.
Further, the sealing plate includes a protection frame 52 fixedly connected to the fixing block 54 and a staggered mesh-shaped protection net 53 fixed to the protection frame 52 to prevent users from falling from the gap of the protection frame 52.
Preferably, the car protection device further comprises a second pulley 51 fixed to an end of the protection frame 52 far away from the fixing plate 61, and when the second pulley 51 and the car are in contact with each other, friction noise between the protection member 5 and the car 12 can be reduced.
Further, the insertion hole is non-circular, and the end of the transmission shaft 42 close to the insertion hole is also non-circular in shape matching the shape of the insertion hole.
Specifically, as shown in fig. 4 and 5, the plug-in connector further includes a plurality of protrusions fixed at intervals on the side of the transmission shaft 42, and the insertion holes are provided with slots corresponding to the protrusions;
insert through transmission shaft 42 and locate the spliced eye to make the protruding card locate the draw-in groove, thereby fixed connection transmission shaft 42 and spliced eye avoid transmission shaft 42 and spliced eye to connect the back and take place to skid, thereby lead to protection piece 5 to take place to rotate, with the people landing that leads to dropping to protection piece 5, improved protection piece 5's stability.
Preferably, as shown in fig. 3, the portion of the transmission shaft 42 to be inserted into the insertion hole forms an insertion section 43, and the protrusion is correspondingly fixed to the insertion section 43.
Preferably, the device further includes a sealing shaft 44 sleeved on the transmission shaft 42 and attached to the cylinder 41, so as to prevent the transmission shaft 42 from excessively contracting, so that the protrusion is damaged and normal use of the limiting member 4 is affected.
Specifically, the elevator further comprises a fixed disk 45 fixed on the side of the cylinder 41, and the fixed disk 45 is fixedly connected with the elevator shaft 1 so as to fix the limiting member 4.
Further, as shown in fig. 1, the elevator further includes a controller 3 rotatably connected to the elevator shaft 1 and disposed opposite to the inductive switch, and the controller 3 is pushed by the car 12, so that the controller 3 rotates and contacts with the inductive switch, thereby triggering the retraction adjustment of the limit member 4.
Preferably, as shown in fig. 1, the controller 3 is disposed at the top and bottom of the protection member 5, respectively, so as to control the rotation of the protection member 5, thereby facilitating the passage of the car 12.
Preferably, the induction switch is provided with a first controller for controlling the cylinder 41 to contract after being contacted with the cross bar 34 and a delay control for controlling the cylinder 41 to extend when the cross bar 34 is not contacted with the induction switch, the delay time of the delay control corresponds to the time when the car 12 passes through the protection part 5, when the cross bar 34 is pushed by the car 12 to rotate downwards and is contacted with the induction switch, the first controller is started to control the cylinder 41 to contract, when the cross bar 34 is not stressed, the delay control is started, the car 12 pushes the sealing plate to rotate and smoothly pass, then the second return spring 62 drives the sealing plate to return, at this time, the delay is finished, and the cylinder 41 extends.
Specifically, as shown in fig. 2, the controller 3 includes a connection plate 32 fixed to the elevator hoistway 1, a first return spring 33 having one end fixed to the connection plate 32, and a cross bar 34 fixedly connected to the other end of the return spring 33, the cross bar 34 being parallel to the connection plate 32;
when the cross bar 34 rotates to contact the inductive switch, and the cross bar 34 rotates and drives the first return spring 33 to elastically deform, the first return spring 33 drives the cross bar 34 to return after the car 12 passes through the protection member 5.
The car 12 abuts against the cross rod 34, so that the cross rod 34 rotates around the first return spring 33 and drives the first return spring 33 to elastically deform, after the car 12 passes through the protection part 5, the first return spring 33 rebounds to drive the cross rod 34 to reset, and then the cross rod 34 is in control connection with the air cylinder 41.
Preferably, the connection plate 32 is fixed to a sidewall of the elevator shaft 1 by a fixing bolt 31, and the first return spring 33 and the cross bar 34 are connected by a fastening nut 36.
Specifically, the car 12 further includes a first pulley 35 fixedly connected to an end portion of the cross bar 34 far from the first return spring 33, and the cross bar 34 is pushed by the car 12 so that the first return spring 33 is elastically deformed, and thus the cross bar 34 rotates to be in control connection with the limiting member 4, and when the first pulley 35 and the car 12 are in mutual contact, friction noise between the protection member 5 and the car 12 can be reduced.
The protection device for the elevator shaft is specifically implemented by taking the downward movement of the car 12 as an example, controlling the car 12 to move downward through the elevator 13, when the car 12 moves to a position to be stopped, sensing the car 12 and the sensor 2 and stopping the movement, and controlling the elevator 13 to stop by the control box 14 so as to stop the car 12 and enable a user to go out of the door of the car 12;
when the car 12 normally moves downwards, the car 12 contacts with the cross bar 34 of the controller 3 to drive the cross bar 34 to be stressed to rotate downwards, so that the cross bar 34 contacts with the inductive switch, the inductive switch controls the cylinder 41 to contract to drive the transmission shaft 42 to move towards the direction far away from the plugging hole, so that the plugging section 43 of the transmission shaft 42 is drawn out from the plugging hole, and then the car 12 pushes the sealing plate to drive the sealing plate to rotate downwards and open the elevator shaft 1, so that the car 12 can pass through conveniently;
when the car 12 passes through, the first return spring 33 rebounds to drive the cross bar 34 to rotate and return to the horizontal position, the second return spring 62 rebounds, the sealing plate rotates to seal the elevator shaft 1, and the time delay control in the inductive switch starts and controls the transmission shaft 42 of the air cylinder 41 to stretch, so that the plug section 43 is inserted into the plug hole, and the limiting part 4 and the protection part 5 are connected;
when the door of car 12 broke down, the user fell to the top surface of protection piece 5 in car 12 to the rescue personnel can save the user, have avoided the direct bottom that falls to elevator well 1 of user, avoid taking place dangerous accident.
A method of using a protective device for an elevator hoistway, comprising the steps of:
providing a protection piece 5 and a limiting piece 4, rotatably installing the protection piece 5 on the side wall of the elevator shaft 1 and corresponding to the position where the car 12 is to be stopped, and arranging the limiting piece 4 at a position close to the protection piece 5 and connecting one end of the limiting piece with the protection piece 5 in a clamping way;
when the car 12 moves along the elevator shaft 1, the car 12 moves to a position close to the protection piece 5, the inductive switch senses the car 12 to control the limiting piece 4 to contract, so that the end part of the limiting piece 4 close to the protection piece 5 is separated from the protection piece 5, and the car 12 pushes against the protection piece 5 to drive the protection piece 5 to rotate, so that the car 12 passes through the protection piece 5;
when the car 12 breaks down, the car 12 stops in the elevator shaft 1, the inductive switch cannot sense the car 12, and the limiting part 4 is connected with the protection part 5 in a clamping mode, so that the protection part 5 blocks the elevator shaft 1, and people falling out of the car 12 can be caught.
Furthermore, the limiting member 4 comprises an air cylinder 41 fixed to the elevator shaft 1, the air cylinder 41 is provided with a transmission shaft 42 protruding outwards, the side of the protection member 5 corresponding to the position of the limiting member 4 is provided with an insertion hole, and the transmission shaft 42 is inserted into the insertion hole;
the inductive switch senses the car 12 to control the cylinder 41 to contract, so that the transmission shaft 42 moves away from the jack, and the connection between the transmission shaft 42 and the jack is disconnected.
The specific implementation case of the protection device for the elevator shaft is that the elevator car 12 is controlled to move downwards through the hoisting machine 13 by taking the elevator car 12 as an example of moving downwards, when the elevator car 12 moves to a position to be stopped, the inductor 2 induces the elevator car 12 to control the hoisting machine 13 to stop moving, so that the elevator car 12 stops, and a user walks out of a door of the elevator car 12;
when the car 12 normally moves downwards, the car 12 contacts with the cross bar 34 of the controller 3 to drive the cross bar 34 to be stressed to rotate downwards, so that the cross bar 34 contacts with the inductive switch, the inductive switch controls the cylinder 41 to contract to drive the transmission shaft 42 to move towards the direction far away from the plugging hole, so that the plugging section 43 of the transmission shaft 42 is drawn out from the plugging hole, the car 12 pushes against the sealing plate to drive the sealing plate to rotate downwards and open the elevator shaft 1, and the car 12 passes through the sealing plate;
when the car 12 passes through, the first return spring 33 rebounds to drive the cross bar 34 to rotate and return to the horizontal position, the second return spring 62 rebounds, the sealing plate rotates to close the elevator shaft 1, and the time delay control in the induction switch is started and controls the cylinder 41 to extend to enable the transmission shaft 42 to move towards the direction close to the plug hole, so that the plug section 43 is inserted into the plug hole, the limiting part 4 and the protection part 5 are connected, and the sealing plate is prevented from rotating;
when car 12's door broke down, car 12 stopped in elevator well 1, and inductive switch response can not reach car 12, and locating part 4 is connected with protection piece 5 joint for elevator well 1 is plugged up to protection piece 5, thereby can catch the personnel of falling out from in car 12, has avoided the user of service to directly fall to the bottom of elevator well 1, avoids taking place dangerous accident.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A protector for an elevator hoistway, the elevator hoistway is internal to be slided with the car, its characterized in that, protector includes:
a protection part which is rotatably arranged on the side wall of the elevator shaft and is used for blocking the shaft, wherein the protection part is arranged corresponding to the position where the car is to be stopped;
one end of the limiting piece is fixedly installed on the side wall of the elevator shaft and is arranged at a position close to the protection piece, the other end of the limiting piece is connected with the protection piece in a clamping mode, and the limiting piece can be adjusted in a telescopic mode towards a direction close to or far away from the protection piece; and
the inductive switch is arranged on the limiting part, the car is induced by the inductive switch to control the limiting part to contract, so that the limiting part is close to the end part of the protection part and is separated from the protection part, the car pushes the protection part to drive the protection part to rotate, and the car passes through the protection part.
2. The protection device for the elevator shaft according to claim 1, wherein a plug hole is formed in a side portion of the protection member at a position corresponding to the position of the limit member;
the limiting part comprises an air cylinder fixed on the side wall of the elevator shaft, the air cylinder is provided with a transmission shaft protruding outwards, the transmission shaft is inserted into the insertion hole and is contracted through the air cylinder to drive the transmission shaft to move in the direction far away from the insertion hole, so that the transmission shaft is pulled out of the insertion hole, and the connection between the transmission shaft and the insertion hole is disconnected.
3. The protection device for the elevator hoistway according to claim 2, wherein the protection device comprises a fixing plate fixedly connected to the elevator hoistway, a second return spring fixedly connected to the fixing plate at one end, a fixing block fixedly connected to the other end of the second return spring, and a sealing plate fixedly connected to the fixing block, wherein the insertion hole is formed in a side portion, close to the cylinder, of the fixing block;
through the car is to being close to the direction of shrouding removes, in order to push up the shrouding makes the shrouding rotates and drives second reset spring and takes place elastic deformation, and after the car passed through the protection piece, second reset spring drove the shrouding resets.
4. The protection device for the elevator hoistway according to claim 3, wherein the sealing plate comprises a protection frame fixedly connected to the fixing block and protection nets fixed to the protection frame and staggered to form a net shape.
5. The protective device for an elevator shaft according to claim 2, wherein the insertion hole is non-circular, and the end of the transmission shaft near the insertion hole matches the shape of the insertion hole and is also non-circular.
6. The protection device for the elevator shaft according to claim 5, further comprising a plurality of protrusions fixed to the side of the transmission shaft at intervals, wherein the insertion hole is provided with a clamping groove corresponding to the protrusion;
the transmission shaft is inserted into the insertion hole, so that the protrusion is clamped in the clamping groove, and the transmission shaft and the insertion hole are fixedly connected.
7. The protection device for the elevator shaft according to claim 1, further comprising a controller rotatably connected to the elevator shaft and disposed opposite to the inductive switch, wherein the controller is pushed by the car so that the controller rotates and contacts with the inductive switch to trigger the retraction adjustment of the limit stop.
8. The guard for an elevator hoistway according to claim 7, wherein the controller includes a connection plate fixed to the elevator hoistway, a first return spring having one end fixed to a side of the connection plate, and a cross bar fixedly connected to the other end of the first return spring, the cross bar being parallel to the connection plate;
through the horizontal pole rotate with inductive switch contacts, just the horizontal pole rotates and drives first reset spring and takes place elastic deformation, works as the car passes through behind the protection piece, first reset spring drives the horizontal pole resets.
9. A method of using a protective device for an elevator hoistway according to claim 1, comprising the steps of:
providing the protection piece and the limiting piece, rotatably installing the protection piece on the side wall of the elevator shaft and corresponding to the position where the car is to be stopped, and arranging the limiting piece at a position close to the protection piece and clamping and connecting one end of the limiting piece with the protection piece;
when the car runs along the elevator shaft, the car moves to a position close to the protection piece, the inductive switch senses the car to control the limiting piece to contract, so that the end part of the limiting piece close to the protection piece is separated from the protection piece, the car pushes against the protection piece to drive the protection piece to rotate, and the car passes through the protection piece;
when the car breaks down, the car stops in the elevator well, inductive switch response can not arrive the car, the locating part with the protection part joint is connected, makes the protection part shutoff is in the elevator well, thereby can catch from personnel that fall out in the car.
10. The use method of the protection device for the elevator shaft according to claim 9, wherein the limiting member comprises an air cylinder fixed to the elevator shaft, the air cylinder has a transmission shaft protruding outwards, an insertion hole is formed in a side portion of the protection member corresponding to the position of the limiting member, and the transmission shaft is inserted into the insertion hole;
the inductive switch induces the car to control the cylinder to contract, so that the transmission shaft moves in the direction away from the plug hole, and the connection between the transmission shaft and the plug hole is disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302768.0A CN113942909B (en) | 2021-11-05 | 2021-11-05 | Protective device for elevator shaft and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302768.0A CN113942909B (en) | 2021-11-05 | 2021-11-05 | Protective device for elevator shaft and use method thereof |
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| CN113942909A true CN113942909A (en) | 2022-01-18 |
| CN113942909B CN113942909B (en) | 2023-05-09 |
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| CN113942909B (en) | 2023-05-09 |
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