CN214269869U - Explosion-proof elevator layer lock detains subassembly - Google Patents

Abstract

The utility model discloses an explosion-proof elevator layer lock detains subassembly, set up the guide rail on the door machine body including PLC control system, motor, door machine body and horizontal level, relative slip is provided with the link plate on the guide rail, the beneficial effects of the utility model reside in that: through the second trigger lance with the cooperation of second limit switch eye-splice and trigger second limit switch to PLC control system transmission signal of telecommunication, meanwhile through the lock of door hook and auxiliary hook, first trigger hits the board and rotates and trigger first limit switch and transmit the signal of telecommunication to PLC control system along with the door hook, as above-mentioned two signals of telecommunication are layer door closing signal, PLC control system then can the locking motor, make it unable rotation, the door hook hasp structure of deuterogamy mechanical type, outsider can't take off the layer door and take off, because first limit switch and second limit switch's trigger in-process, can not produce spark or heat effect, the standard of national explosion-proof elevator has been satisfied.

Description

Explosion-proof elevator layer lock detains subassembly

The technical field is as follows:

the utility model relates to an elevator technical field specifically is an explosion-proof elevator layer lock detains subassembly.

Background art:

current elevator layer lock detains structure all adopts traditional exposed copper sheet contact to produce the signal of telecommunication, has spark or heat effect to produce at copper sheet contact in-process to do not satisfy the explosion-proof demand of special trade explosive environment, and current layer door lacks the structure of protectiveness, leads to the car lift in-process, easily is taken off by outside personnel, leads to personnel's health injury, so this elevator can't reach the standard of national explosion-proof elevator.

The utility model has the following contents:

the utility model aims at providing an explosion-proof elevator layer lock detains subassembly in order to solve current problem exactly.

The technical solution of the utility model is as follows:

an explosion-proof elevator landing door lock catch assembly comprises a PLC control system, a motor, a door machine body, a guide rail transversely and horizontally arranged on the door machine body, a hanging plate and a door knife arranged on the hanging plate, wherein the hanging plate is arranged on the guide rail in a relatively sliding manner, a landing door is fixedly arranged on the hanging plate, the explosion-proof elevator landing door lock catch assembly further comprises a bottom plate fixed on the door machine body, a first limit switch vertically arranged and a second limit switch horizontally arranged are fixed on the front side surface of the bottom plate, the door knife is provided with a door hook linked with the door knife, an auxiliary hook buckled with the door hook is horizontally fixed on the bottom plate, a first triggering collision plate matched with the first limit switch in a plug-and-buckle manner is fixed on the top surface of the door hook, the first triggering collision plate rotates along with the door hook and triggers the first limit switch to transmit an electric signal to the PLC control system so as to verify whether the door hook is buckled with or separated from the auxiliary hook, and a fixed angle iron piece is arranged on the hanging plate close to one side of the second limit switch, the utility model discloses a PLC control system, including the angle iron spare, be fixed with the splint body on the lateral wall of angle iron spare, splint body is improved level demountable installation and is triggered the lance, the second triggers the lance with second limit switch eye-splice cooperation and triggers second limit switch to PLC control system transmission signal of telecommunication to verify whether the layer door is opened or is closed.

Preferably, a channel for accommodating the bottom plate is arranged between the hanging plates.

Preferably, the door knife can drive the door hook to rotate in the linkage process.

Preferably, the first limit switch and the second limit switch are both provided with a switch head and a switch body, a through groove is formed in the switch head, and the bottom of the through groove is provided with a trigger structure connected with the inside of the switch body.

Preferably, a bracket is fixed between the second limit switch and the bottom plate.

Preferably, the first trigger striking plate is bent at 90 degrees.

The beneficial effects of the utility model reside in that: through the second trigger lance with the cooperation of second limit switch eye-splice and trigger second limit switch to PLC control system transmission signal of telecommunication, meanwhile through the lock of door hook and auxiliary hook, first trigger hits the board and rotates and trigger first limit switch and transmit the signal of telecommunication to PLC control system along with the door hook, as above-mentioned two signals of telecommunication are layer door closing signal, PLC control system then can the locking motor, make it unable rotation, the door hook hasp structure of deuterogamy mechanical type, outsider can't take off the layer door and take off, because first limit switch and second limit switch's trigger in-process, can not produce spark or heat effect, the standard of national explosion-proof elevator has been satisfied.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic perspective view of the first limit switch and the second limit switch of the present invention;

in the drawings: 1. a gantry crane body; 2. hanging the plate; 3. a base plate; 4. a first limit switch; 5. a second limit switch; 6. a door hook; 7. an auxiliary hook; 8. a first trigger striker plate; 9. a corner iron piece; 10. a splint; 11. a second trigger ram; 12. a switch head; 13. a switch body.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the anti-explosion elevator landing door locking assembly comprises a PLC control system, a motor, a door machine body 1, a guide rail horizontally arranged on the door machine body 1, a hanging plate 2 and a door knife arranged on the hanging plate 2, wherein a landing door is fixedly arranged on the hanging plate 2, a bottom plate 3 fixed on the door machine body 1 is further included, a vertically arranged first limit switch 4 and a horizontally arranged second limit switch 5 are fixed on the front side surface of the bottom plate 3, the door knife is provided with a door hook 6 linked with the door knife, an auxiliary hook 7 buckled with the door hook 6 is horizontally fixed on the bottom plate 3, a first triggering collision plate 8 in inserted and buckled cooperation with the first limit switch 4 is fixed on the top surface of the door hook 6, the first triggering collision plate 8 rotates along with the door hook 6 and triggers the first limit switch 4 to transmit an electric signal to the PLC control system, whether with 7 locks of auxiliary hook or separation of verification door hook 6, be close to on the link plate 2 of second limit switch 5 one side fixed angle ironware 9, be fixed with splint 10 on the lateral wall of angle ironware 9, splint 10 is improved level demountable installation and is had the second to trigger lance 11, the second triggers lance 11 and 5 eye-splice cooperations of second limit switch and triggers second limit switch 5 and transmit the signal of telecommunication to PLC control system to whether the verification layer door is opened or is closed.

Specifically, a channel for accommodating the bottom plate 3 is arranged between the hanging plates 2.

Specifically, the door vane can drive the door hook 6 to rotate in the linkage process.

Specifically, first limit switch 4 and second limit switch 5 all have switch head 12 and switch body 13, logical groove has been seted up on switch head 12, the bottom that leads to the groove has with switch body 13 internal connection's trigger structure.

Specifically, a bracket 14 is fixed between the second limit switch 5 and the bottom plate 3.

Specifically, the first trigger striking plate 8 is bent at 90 degrees.

The working principle is as follows: when the landing door needs to be opened, the door knife drives the door hook 6 to rotate clockwise, the door hook 6 is separated from the auxiliary hook 7, meanwhile, the first trigger striking plate 8 is separated from the first limit switch 4 to trigger an electric signal, the PLC control system starts a motor on the door machine body 1, and the motor pulls the hanging plate 2 to open the landing door through a steel wire rope and a pulley; when the layer door needs to be closed, the motor-driven hanging plate 2 is folded, the second trigger collision rod 11 is in inserted-buckled fit with the second limit switch 5 and triggers an electric signal, the door hook 6 rotates anticlockwise under the drive of the door knife, the door hook 6 is buckled with the auxiliary hook 7, meanwhile, the first trigger collision plate 8 and the first limit switch 4 are in inserted-buckled trigger electric signal, and the PLC control system closes the motor.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an explosion-proof elevator layer lock detains subassembly, includes that PLC control system, motor, door machine body and horizontal level set up the guide rail on the door machine body, the relative slip is provided with the link plate on the guide rail to and install the door sword on a link plate, equal fixed mounting has layer door, its characterized in that on the link plate: the door knife is provided with a door hook linked with the door knife, an auxiliary hook buckled with the door hook is horizontally fixed on the front side surface of the bottom plate, a first triggering collision plate matched with the first limit switch in a plugging and buckling manner is fixed on the top surface of the door hook, the first triggering collision plate rotates along with the door hook and triggers the first limit switch to transmit an electric signal to a PLC control system so as to verify whether the door hook is buckled with or separated from the auxiliary hook, a corner iron piece is fixed on a hanging plate close to one side of the second limit switch, a clamping plate body is fixed on the side wall of the corner iron piece, a second triggering collision rod is horizontally and detachably mounted on the clamping plate body, and the second triggering collision rod is matched with the second limit switch in a plugging and buckling manner and triggers the second limit switch to transmit the electric signal to the PLC control system, to verify whether the landing door is open or closed.

2. The explosion-proof elevator landing door catch assembly of claim 1, wherein: and a channel for accommodating the bottom plate is arranged between the hanging plates.

3. The explosion-proof elevator landing door catch assembly of claim 1, wherein: the door sword can drive the door hook to rotate in the linkage process.

4. The explosion-proof elevator landing door catch assembly of claim 1, wherein: first limit switch and second limit switch all have switch head and switch body, logical groove has been seted up on the switch head, the bottom that leads to the groove has with switch body internal connection's trigger structure.

5. The explosion-proof elevator landing door catch assembly of claim 1, wherein: and a support is fixed between the second limit switch and the bottom plate.

6. The explosion-proof elevator landing door catch assembly of claim 1, wherein: the first trigger striking plate is bent by 90 degrees.

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