CN113023532A

CN113023532A - Elevator car locking device without machine room

Info

Publication number: CN113023532A
Application number: CN202110365562.6A
Authority: CN
Inventors: 吴铁城; 肖海; 朱正桃; 王卉磊; 严家辉; 张德政; 奚熙晨
Original assignee: Kuiko Elevator Co ltd
Current assignee: Kuiko Elevator Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-06-25
Anticipated expiration: 2041-04-06
Also published as: CN113023532B

Abstract

The invention discloses a machine-room-less elevator car locking device, which belongs to the technical field of elevators and comprises a car frame, wherein one end of the car frame is provided with a travel switch, the other end of the car frame is provided with a car guide rail, the surface of the car guide rail is provided with a guide rail fixing plate, and two sides of the car frame are both provided with fixing components; according to the invention, the number of the fixing assemblies and the number of the pin shaft bodies are two, so that the car is more safe and stable when locked.

Description

Elevator car locking device without machine room

Technical Field

The invention belongs to the technical field of elevators, and particularly relates to a machine-room-less elevator car locking device.

Background

The elevator without machine room is relative to the elevator with machine room, that is, the machine room is saved, and the control screen, the traction machine, the speed limiter and the like in the original machine room are moved to the hoistway and the like, or replaced by other technologies. When performing maintenance on the traction machine and control panel of an elevator without a machine room, since an operator stands on the ceiling of the elevator shaft instead of the machine room floor, the car should be mechanically fixed to the guide rails to eliminate danger due to accidental movement of the car.

Chinese patent application No. CN201721549027.1 discloses a car locking device for elevator without machine room, which can cause unstable car and danger in maintenance process, and at the same time, the car frame of the original device is provided with a locking device only on one side, which may not be stable enough in use.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a machine room-less elevator car locking device which has the characteristics of stability and safety.

In order to achieve the purpose, the invention provides the following technical scheme: a lift car locking device of a machine room free elevator comprises a car frame, wherein one end of the car frame is provided with a travel switch, the other end of the car frame is provided with a car guide rail, the surface of the car guide rail is provided with a guide rail fixing plate, two sides of the car frame are respectively provided with a fixing assembly, two sides of the fixing assembly are provided with a fixing seat, a baffle is arranged between the fixing seats, the surface of the fixing seat is provided with a pin shaft body, and the surface of the pin shaft body is provided with a handle part;

the fixed subassembly includes fastening bolt, mounting panel, places case, pinhole, spring catch, loop bar and branch, wherein, the mounting panel both ends are provided with fastening bolt, the mounting panel surface is provided with places the case, the inside loop bar that is provided with of mounting panel, the inside branch that is provided with of loop bar, the inside spring catch that is provided with of branch, the loop bar surface corresponds the position with the spring catch and is provided with the pinhole.

Preferably, the fixing assembly further comprises a pushing handle, a pushing disc and positioning bolts, wherein the pushing disc is arranged at one end, away from the supporting rod, of the loop bar, the surface of the pushing disc is provided with the two positioning bolts, and the pushing handle is arranged in the middle of the surface of the pushing disc.

Preferably, a clamping groove is formed in the pin shaft body at a position, close to one side of the fixing component, corresponding to the support rod.

Preferably, the placing box comprises screw holes, a partition plate and through holes, wherein the partition plate is arranged in the middle of the inside of the placing box, the through holes are formed in the middle of the upper portion of the partition plate, and the screw holes are formed in two sides of the partition plate.

Preferably, the placing box further comprises a placing plate, a placing groove and a small box, wherein the placing plate is arranged on one side below the partition plate, the placing groove is formed in the placing plate, and the small box is arranged on one side, far away from the placing plate, of the bottom of the partition plate.

Preferably, the placing box further comprises a box door and a handle, wherein the box door is arranged on one side, away from the mounting plate, of the placing box, and the handle is arranged on the surface of the box door.

Compared with the prior art, the invention has the beneficial effects that:

1. the elevator car frame is provided with the fixing assembly, after the car is locked, the car door is opened, the loop bar is taken out, the spring pin is pressed, the supporting rod is extended, the loop bar is inserted into the through hole, the supporting rod is inserted into the clamping groove, then the pushing disc and the placing box are fixed through the positioning bolt, the position of the car frame is further fixed, the danger caused by instability of the car after the locking device is in a sudden situation is avoided, after the maintenance is finished, the loop bar is taken out and placed in the placing groove, and the positioning bolt is placed in the small box, so that the danger caused by loss and falling of the loop bar is avoided.

2. According to the invention, the number of the fixing assemblies and the number of the pin shaft bodies are two, so that the car is more safe and stable when locked.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing assembly of the present invention;

FIG. 3 is a schematic view of the placement box of the present invention;

in the figure: 1. a car frame; 2. a pin shaft body; 3. a fixing assembly; 301. fastening a bolt; 302. mounting a plate; 303. placing a box; 3031. a box door; 3032. a handle; 3033. a screw hole; 3034. a partition plate; 3035. placing the plate; 3036. a placement groove; 3037. a small box; 3038. a through hole; 304. a push handle; 305. pushing the disc; 306. positioning the bolt; 307. a pin hole; 308. a spring pin; 309. a loop bar; 310. a strut; 4. a handle portion; 5. a car guide rail; 6. a guide rail fixing plate; 7. a baffle plate; 8. a fixed seat; 9. a travel switch; 10. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a lift car locking device of a machine room free elevator comprises a lift car frame 1, wherein one end of the lift car frame 1 is provided with a travel switch 9, the other end of the lift car frame 1 is provided with a lift car guide rail 5, the surface of the lift car guide rail 5 is provided with a guide rail fixing plate 6, two sides of the lift car frame 1 are respectively provided with a fixing assembly 3, two sides of each fixing assembly 3 are provided with a fixing seat 8, a baffle 7 is arranged between the fixing seats 8, the surface of each fixing seat 8 is provided with a pin shaft body 2, and the surface;

the fixing component 3 comprises a fastening bolt 301, a mounting plate 302, a placing box 303, a pin hole 307, a spring pin 308, a loop bar 309 and a support rod 310, wherein the fastening bolt 301 is arranged at two ends of the mounting plate 302, the placing box 303 is arranged on the surface of the mounting plate 302, the loop bar 309 is arranged inside the mounting plate 302, the support rod 310 is arranged inside the loop bar 309, the spring pin 308 is arranged inside the support rod 310, and the pin hole 307 is arranged on the surface of the loop bar 309 corresponding to the spring pin 308.

Specifically, the fixing assembly 3 further comprises a push handle 304, a push disc 305 and a positioning bolt 306, wherein the end of the sleeve rod 309 away from the supporting rod 310 is provided with the push disc 305, the surface of the push disc 305 is provided with two positioning bolts 306, the middle of the surface of the push disc 305 is provided with the push handle 304,

by adopting the technical scheme, the sleeve rod 309 can be conveniently pushed in and taken out by pushing and pulling the pushing handle 304, and the positioning bolt 306 can position the sleeve rod 309 to prevent the sleeve rod from falling.

Specifically, a clamping groove 10 is arranged at a position corresponding to the support rod 310 on one side of the pin shaft body 2 close to the fixing component 3,

by adopting the technical scheme, after the car is locked, the supporting rod 310 is inserted into the clamping groove 10 to further fix the position of the car frame 1, so that the situation that the car is unstable after the locking device is in an emergency can be avoided.

Specifically, the placing box 303 comprises a screw hole 3033, a partition plate 3034 and a through hole 3038, wherein the partition plate 3034 is arranged in the middle inside the placing box 303, the through hole 3038 is arranged in the middle above the partition plate 3034, the screw holes 3033 are arranged on two sides of the partition plate 3034,

through adopting above-mentioned technical scheme, loop bar 309 inserts from through-hole 3038, and push tray 305 is arranged in placing case 303, avoids the staff mistake to bump and by the fish tail.

Specifically, the placing box 303 further comprises a placing board 3035, a placing groove 3036 and a small box 3037, wherein the placing board 3035 is arranged on one side below the partition board 3034, the placing groove 3036 is arranged inside the placing board 3035, the small box 3037 is arranged on one side of the bottom of the partition board 3034 far away from the placing board 3035,

through adopting above-mentioned technical scheme, when fixed subassembly 3 did not use, loop bar 309 card was put in standing groove 3036, and positioning bolt 306 is placed in little case 3037, makes things convenient for the staff to take.

Specifically, the placing box 303 further comprises a box door 3031 and a handle 3032, wherein the box door 3031 is arranged on one side of the placing box 303 away from the mounting plate 302, the handle 3032 is arranged on the surface of the box door 3031,

by adopting the technical scheme, the box door 3031 is closed when not in use, and tools placed inside can be prevented from being lost and falling.

The structure and the working principle of the car frame 1 and the travel switch 9 of the invention are disclosed in a machine room free elevator car locking device disclosed in Chinese patent application No. CN 201721549027.1.

The spring pin 308 of the present invention is a conventional spring pin, and is selected to be XY 1248.

The working principle and the using process of the invention are as follows: when the elevator car locking device is used, the two fixing assemblies 3 and the two pin shaft bodies 2 are arranged, so that the elevator car is locked more safely and stably, after the elevator car is locked, the car door 3031 is opened, the sleeve rod 309 is taken out, the spring pin 308 is pressed, the support rod 310 is extended, the sleeve rod 309 is inserted into the through hole 3038, the support rod 310 is inserted into the clamping groove 10, the push disc 305 and the placing box 303 are fixed through the positioning bolt 306, the position of the elevator car frame 1 is further fixed, the danger caused by instability of the elevator car after sudden situations of the locking device occur is avoided, after the sleeve rod 309 is installed, the car door 3031 is closed, the elevator is overhauled, after the overhaul is completed, the sleeve rod 309 is taken out through the push handle 304 and placed in the placing groove 3036, and the taken-down positioning bolt 306 is placed in the small box 3037, so.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A no computer lab elevator car locking device, includes sedan-chair frame (1), its characterized in that: a travel switch (9) is arranged at one end of the car frame (1), a car guide rail (5) is arranged at the other end of the car frame (1), a guide rail fixing plate (6) is arranged on the surface of the car guide rail (5), fixing assemblies (3) are arranged on two sides of the car frame (1), fixing seats (8) are arranged on two sides of each fixing assembly (3), a baffle (7) is arranged between the fixing seats (8), a pin shaft body (2) is arranged on the surface of each fixing seat (8), and a handle part (4) is arranged on the surface of the pin shaft body (2);

fixed subassembly (3) include fastening bolt (301), mounting panel (302), place case (303), pinhole (307), spring catch (308), loop bar (309) and branch (310), wherein, mounting panel (302) both ends are provided with fastening bolt (301), mounting panel (302) surface is provided with places case (303), mounting panel (302) inside is provided with loop bar (309), loop bar (309) inside is provided with branch (310), branch (310) inside is provided with spring catch (308), loop bar (309) surface and spring catch (308) correspond the position and are provided with pinhole (307).

2. The machine room-less elevator car locking apparatus according to claim 1, wherein: the fixing assembly (3) further comprises a push handle (304), a push disc (305) and positioning bolts (306), wherein the push disc (305) is arranged at one end, away from the support rod (310), of the loop bar (309), the two positioning bolts (306) are arranged on the surface of the push disc (305), and the push handle (304) is arranged in the middle of the surface of the push disc (305).

3. The machine room-less elevator car locking apparatus according to claim 1, wherein: a clamping groove (10) is formed in one side, close to the fixing component (3), of the inner portion of the pin shaft body (2) and corresponds to the supporting rod (310).

4. The machine room-less elevator car locking apparatus according to claim 1, wherein: the placing box (303) comprises a screw hole (3033), a partition plate (3034) and a through hole (3038), wherein the partition plate (3034) is arranged in the middle of the inside of the placing box (303), the through hole (3038) is arranged in the middle above the partition plate (3034), and the screw hole (3033) is arranged on two sides of the partition plate (3034).

5. The machine room-less elevator car locking apparatus according to claim 4, wherein: the placing box (303) further comprises a placing plate (3035), a placing groove (3036) and a small box (3037), wherein the placing plate (3035) is arranged on one side below the partition plate (3034), the placing groove (3036) is arranged inside the placing plate (3035), and the small box (3037) is arranged on one side, far away from the placing plate (3035), of the bottom of the partition plate (3034).

6. The machine room-less elevator car locking apparatus according to claim 1, wherein: the placing box (303) further comprises a box door (3031) and a handle (3032), wherein the box door (3031) is arranged on one side, away from the mounting plate (302), of the placing box (303), and the handle (3032) is arranged on the surface of the box door (3031).