CN219326468U

CN219326468U - Elastic triggering structure for elevator anti-falling safety protection device

Info

Publication number: CN219326468U
Application number: CN202320111450.2U
Authority: CN
Inventors: 周有国; 张卫民; 雷尚杰
Original assignee: Hubei Jiutai Security Environmental Protection Technology Co ltd
Current assignee: Hubei Jiutai Security Environmental Protection Technology Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-07-11
Anticipated expiration: 2033-01-18

Abstract

A elastic triggering structure for anti-falling safety protection device of elevator, be equipped with between N type and the C type sliding sleeve and simulate triggering structure, simulate triggering mechanism is with N type and is carried the separable link together of pulling plate and C type sliding sleeve, and N type is carried pulling plate and C type sliding sleeve and is as an organic wholely when not triggering, and N type is carried pulling plate and C type sliding sleeve and is separated under tension spring group effect after triggering. Through the connection of L type slide, N type carry the arm-tie and C type sliding sleeve and be connected with suspension wire rope and car from top to bottom for it can trigger the safety tongs action when suspension wire rope is cracked, and this device installs at the car top, so have, no computer lab irrelevant with the elevator of installation, even no computer lab elevator also need not build the top layer platform that the installation overspeed governor was used at the well top, can hang the cracked situation of wire rope through simulation triggering structure, whether the test can trigger the safety tongs.

Description

Elastic triggering structure for elevator anti-falling safety protection device

Technical Field

The utility model relates to the technical field of elevator safety, in particular to an elastic triggering structure for an elevator anti-falling safety protection device.

Background

In the existing elevator installation process, as shown in fig. 1, an installer mounts parts such as a guide rail, a landing door and the like on a car without a speed limiter-safety tongs anti-falling device, and once a hanging steel wire rope of the car is broken, the car can freely fall down to fall, so that the installer in the elevator car is casualty.

Currently, in the process of installing an elevator with a machine room, a speed limiter as shown in the following figure 2 needs to be installed on the floor of the machine room, and when the steel wire rope suspending the elevator car breaks, the elevator car can take a speed of 9.8m/s ² When the running speed of the speed limiter arranged on the floor of the machine room exceeds 1.25 times of the rated speed of the elevator, the speed limiter clamps the steel wire rope of the elevator, the speed limiter rope pulls the oblique wedge block of the safety tongs arranged on the elevator car, and the elevator car is clamped and stopped on the guide rail of the elevator car under the action of the wedge block of the safety tongs and the clamp seat of the safety tongs.

However, since the machine room does not have a machine room floor, the speed limiter is generally mounted on the guide rail of the car at the top end of the hoistway. However, the car guide rails can only be connected up one by one from the bottom of the hoistway, so that the possibility of installing the speed limiter is eliminated, so that a hoist is usually installed on the top of the car to drive the car to move up and down by adopting fig. 1, and the hoist is provided with a protection device for limiting overspeed falling after installing a safety lock, but does not have the capability of protecting the suspension rope from breaking.

When the elevator car can have the falling protection after the broken hanging steel wire rope is developed, the elevator falling does not have the simulation condition, and the protection device can be simulated by a simulation triggering mechanism.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an elastic triggering structure for an elevator anti-falling safety protection device, which realizes the protection of falling of an elevator car after a hanging steel wire rope is broken and simulates triggering actions during falling.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the elastic triggering structure is used for an anti-falling safety protection device of an elevator, the protection device consists of an L-shaped sliding plate, an N-shaped lifting plate and a C-shaped sliding sleeve, the L-shaped sliding plate is in sliding contact with the N-shaped lifting plate and is limited through a sliding limiting waist-shaped hole on the L-shaped sliding plate, a hanging steel wire rope connecting hole is formed in the upper portion of the N-shaped lifting plate and is used for being connected with a hanging steel wire rope, the L-shaped sliding plate is in sliding connection with the C-shaped sliding sleeve, the lower end of the L-shaped sliding plate extends out of the C-shaped sliding sleeve and is connected with a lift car, a tension spring group is arranged between the top of the L-shaped sliding plate and the bottom of the C-shaped sliding sleeve, a lifting rope pipe fixedly connected is arranged at the top of the L-shaped sliding plate, and a lifting rope core penetrates the lifting rope pipe and extends downwards and is fixedly connected with the bottom of the C-shaped sliding sleeve;

the simulation trigger structure is arranged between the lower end of the N-type lifting plate and the C-type sliding sleeve, the N-type lifting plate and the C-type sliding sleeve are detachably connected together by the simulation trigger mechanism, the N-type lifting plate and the C-type sliding sleeve are integrated when the N-type lifting plate and the C-type sliding sleeve are not triggered, and the N-type lifting plate and the C-type sliding sleeve are separated under the action of the tension spring group after the N-type lifting plate and the C-type sliding sleeve are triggered.

The simulation triggering structure comprises a test rod positioned on the back of an N-type lifting plate, wherein a limit screw nut group penetrates through the test rod, the N-type lifting plate and a sliding limit waist-shaped hole and is used for carrying out up-down limiting through the sliding limit waist-shaped hole, the test rod is rotationally connected with the limit screw nut group, a lock hook and a return column are respectively arranged at the lower end and one side of the test rod, a support plate is arranged on the N-type lifting plate and opposite to the N-type lifting plate, a spring is arranged between the support plate and the return column, and a lock pin corresponding to the lock hook is arranged on a C-type sliding sleeve.

The L-shaped sliding plate is an inverted L-shaped plate body, the upper end of the inverted L-shaped plate body is a transverse plate, the front end of the transverse plate is provided with a lifting rope pipe fixing hole connected with a lifting rope pipe, an N-shaped lifting plate guide hole is arranged behind the lifting rope pipe fixing hole, the N-shaped lifting plate guide hole is in sliding contact with the N-shaped lifting plate, two sides of an upright plate body of the inverted L-shaped plate body are provided with first fixing holes connected with tension spring groups, the sliding limiting waist-shaped holes are positioned on the upright plate body of the plate body, and a car fixing hole is arranged at the tail end below the upright plate body.

The N-type lifting plate comprises two parallel upright plate bodies, namely a guide plate and a connecting plate, wherein the guide plate is fixedly connected with the upper end of the connecting plate and is provided with a hanging steel wire rope connecting hole, limit screw perforations are arranged below the guide plate and the connecting plate, and the lower end of the guide plate penetrates through the guide hole of the N-type lifting plate and is in sliding connection with the guide hole.

The C-shaped sliding sleeve comprises a C-shaped sliding sleeve, a bottom plate is arranged at the bottom end of the sliding sleeve, an L-shaped sliding plate through hole is formed in the portion of the bottom plate in the sliding sleeve, the lower end of the L-shaped sliding plate penetrates through the L-shaped sliding plate through hole and is in sliding contact with the L-shaped sliding plate, a lifting rope fixing hole is formed in the bottom plate, extends out of the C-shaped sliding sleeve, the position of the lifting rope fixing hole corresponds to that of the lifting rope pipe, the lifting rope fixing hole is fixedly connected with a lifting rope core, a second fixing hole is formed in the bottom end of the inner wall of the sliding sleeve, and the second fixing hole is connected with the lower end of the tension spring set.

The tension spring group comprises a top fixed end, the top fixed end is connected with the first fixed hole, the lower end of the top fixed end is connected with a tension spring guide pipe, a tension spring is arranged in the tension spring guide pipe, the lower end of the tension spring is connected with a tension spring plunger, and the lower end of the tension spring plunger is provided with a bottom fixed end connected with the second fixed hole.

The top end of the test rod is provided with a test handle.

According to the elastic triggering structure for the anti-falling safety protection device of the elevator, provided by the utility model, the L-shaped sliding plate, the N-shaped lifting plate and the C-shaped sliding sleeve are connected and connected with the upper hanging steel wire rope, the lower hanging steel wire rope and the elevator car, so that the elastic triggering structure can trigger the safety tongs to act when the hanging steel wire rope is broken, and the elastic triggering structure is arranged at the top of the elevator car, so that the elastic triggering structure is irrelevant to an installed elevator with or without a machine room, a top platform for installing a speed limiter is not required to be built at the top of a hoistway, and the situation that the hanging steel wire rope is broken can be simulated through the simulation triggering structure, and whether the safety tongs can be triggered is tested.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

fig. 1 is a schematic view of a car without a speed limiter and safety gear;

fig. 2 is a schematic view of a car with a speed limiter and safety gear installed;

FIG. 3 is a schematic view of the structure of the L-shaped skateboard of the present utility model;

FIG. 4 is a schematic view of the structure of an N-type pulling plate according to the present utility model;

FIG. 5 is a schematic diagram of the connection of an L-shaped skateboard and an N-shaped pulling board according to the present utility model;

FIG. 6 is a schematic structural view of a C-shaped sliding sleeve according to the present utility model;

FIG. 7 is a schematic view of an assembled structure of the present utility model;

FIG. 8 is a schematic view of the tension spring assembly of the present utility model;

FIG. 9 is a schematic diagram of the working principle of the present utility model

FIG. 10 is a schematic diagram of the simulated trigger mechanism of the present utility model when not triggered;

fig. 11 is a schematic structural diagram of the trigger mechanism according to the present utility model.

In the figure: the device comprises an L-shaped sliding plate 1, a transverse plate 101, a lifting rope tube fixing hole 102, an N-shaped lifting plate guide hole 103, a sliding limit waist-shaped hole 104, a first fixing hole 105, a car fixing hole 106, an N-shaped lifting plate 2, a sliding guide plate 201, a connecting plate 202, a hanging steel wire rope connecting hole 203, a limit screw perforation 204, a C-shaped sliding sleeve 3, a sliding sleeve 301, a bottom plate 302, an L-shaped sliding plate perforation 303, a second fixing hole 304, a lifting rope fixing hole 305, a lifting rope tube 4, a lifting rope core 5, a tension spring group 6, a top fixing end 61, a bottom fixing end 62, a tension spring guide tube 63, a tension spring plunger 64, a limit screw nut group 7, a test handle 8, a test rod 9, a supporting plate 10, a return stop lever 11, a lock hook 12, a return post 13 and a lock pin 14.

Detailed Description

As shown in fig. 3-7, the elastic triggering structure for the anti-falling safety protection device of the elevator is formed by an L-shaped sliding plate 1, an N-shaped lifting plate 2 and a C-shaped sliding sleeve 3, wherein the L-shaped sliding plate 1 is in sliding contact with the N-shaped lifting plate 2 and limited by a sliding limiting waist-shaped hole 104 on the L-shaped sliding plate 1, a hanging steel wire rope connecting hole 203 is arranged above the N-shaped lifting plate 2 and is used for connecting the L-shaped sliding plate 1 with the C-shaped sliding sleeve 3 in a sliding manner, the lower end of the L-shaped sliding plate 1 extends out of the C-shaped sliding sleeve 3 and is connected with a lift car, a tension spring group 6 is arranged between the top of the L-shaped sliding plate 1 and the bottom of the C-shaped sliding sleeve 3, the top of the L-shaped sliding plate 1 is provided with a fixedly connected lifting rope tube 4, and a lifting rope core 5 penetrates the lifting rope tube 4 and extends downwards and is fixedly connected with the bottom of the C-shaped sliding sleeve 3;

the simulation trigger structure is arranged between the lower end of the N-type lifting plate 2 and the C-type sliding sleeve 3, the N-type lifting plate 2 and the C-type sliding sleeve 3 are connected together in a separable mode through the simulation trigger mechanism, the N-type lifting plate 2 and the C-type sliding sleeve 3 are integrated when the N-type lifting plate is not triggered, and the N-type lifting plate 2 and the C-type sliding sleeve 3 are separated under the action of the tension spring set 6 after the N-type lifting plate is triggered.

As shown in fig. 10, the hanging wire rope connecting hole 203 on the N-type pulling plate 2 is connected with the hanging wire rope, since the lower end of the N-type pulling plate 2 is fixedly connected with the C-type sliding sleeve 3, the L-type sliding plate 1 slides down under the gravity action of the car and compresses the tension spring set 6, and finally stops at the end limit position of the sliding limit kidney-shaped hole 104, when the hanging wire rope on the N-type pulling plate 2 breaks or is separated from the hanging wire rope connecting hole 203 due to other reasons, the pulling action of the hanging wire rope on the N-type pulling plate 2 and the C-type sliding sleeve 3 disappears, the compression tension spring set 6 stretches, the elastic force acts on the L-type sliding plate 1 and the C-type sliding sleeve 3, and since the lower end of the L-type sliding plate 1 is fixedly connected with the car, the elastic force moves the C-type sliding sleeve 3 and the N-type pulling plate 2 down along the L-type sliding plate 1, at this time, the L-type sliding plate 1 is unchanged in position, the downward movement of the C-type sliding sleeve 3 drives the pulling rope core 5 to move down relative to the pulling rope tube 4, the downward movement of the pulling rope core 5 can trigger the safety tongs, and the safety tongs can stop the falling down on the car after the car breaks, and the elevator car is stopped on the guide rail.

As shown in fig. 10 and 11, the above-mentioned simulated trigger structure includes a test rod 9 located at the back of the N-type pulling plate 2, a set of limit screw nuts 7 penetrating the test rod 9, the N-type pulling plate 2 and the sliding limit kidney-shaped hole 104 and performing up-down limit through the sliding limit kidney-shaped hole 104, a rotary connection between the test rod 9 and the set of limit screw nuts 7, a latch hook 12 and a return post 13 at the lower end and one side of the test rod 9, a support plate 10 on the N-type pulling plate 2 opposite to the N-type pulling plate 2, a spring between the support plate 10 and the return post 13, and a latch 14 corresponding to the latch hook 12 on the C-type sliding sleeve 3.

When the device is in a working state as shown in fig. 10, the N-type lifting plate 2 and the C-type sliding sleeve 3 are fixed together through the lock hook 12 and the lock pin 14, the pre-shift simulation test of the lifting safety tongs is only needed to be carried out on the car roof, as shown in fig. 11, the lock hook 12 is only needed to be tripped by moving the test handle 8 clockwise, and the tension spring pushes the C-type sliding sleeve 3 as the N-type lifting plate 2 above is fixed by the hanging steel wire rope, so that two persons do not need to be respectively located on a machine room and the car roof for cooperative test when the safety tongs wedge blocks are operated to stop the car on the guide rail of the car.

As shown in fig. 3, the L-shaped skateboard 1 is an inverted L-shaped board, the upper end of the inverted L-shaped board is a transverse board 101, the front end of the transverse board 101 is provided with a lifting rope pipe fixing hole 102 connected with the lifting rope pipe 4, an N-shaped lifting board guiding hole 103 is arranged behind the lifting rope pipe fixing hole 102, the N-shaped lifting board guiding hole 103 is in sliding contact with the N-shaped lifting board 2, two sides of the standing board of the inverted L-shaped board are provided with first fixing holes 105 connected with the tension spring group 6, the sliding limiting waist-shaped hole 104 is positioned on the standing board of the board, and the lower end of the standing board is provided with a car fixing hole 106.

As shown in fig. 5 and 7, which are schematic connection diagrams of the L-shaped sliding plate 1 and the N-shaped pulling plate 2, for convenience in checking the connection structure, the front end of the N-shaped pulling plate 2 is not shown, that is, the sliding guide plate 201 is not shown, and the sliding range of the L-shaped sliding plate 1 is limited within the range of the waist-shaped hole by connecting the nut after passing through the sliding limiting waist-shaped hole 104 with a screw, and the first fixing hole 105 is connected with the upper end of the tension spring set 6.

As shown in fig. 4, the N-type lifting plate 2 comprises two parallel upright plate bodies, namely a guide plate 201 and a connecting plate 202, wherein the upper ends of the guide plate 201 and the connecting plate 202 are fixedly connected and provided with hanging steel wire rope connecting holes 203, limit screw through holes 204 are arranged below the guide plate 201 and the connecting plate 202, and the lower end of the guide plate 201 passes through the N-type lifting plate guide holes 103 and is in sliding connection with the guide plate.

As shown in fig. 5, the limit screw penetration holes 204 are used for penetrating screws, and the guide plates 201 and thus the connection plates 202 are erected plate bodies of the L-shaped slide plate 1.

As shown in fig. 6, the C-shaped sliding sleeve 3 includes a "C" shaped sliding sleeve 301, a bottom plate 302 is provided at the bottom end of the sliding sleeve 301, an L-shaped sliding plate through hole 303 is provided at the bottom end of the bottom plate 302 in the sliding sleeve 301, the lower end of the L-shaped sliding plate 1 passes through the L-shaped sliding plate through hole 303 and is in sliding contact with the L-shaped sliding plate through hole, a lifting rope fixing hole 305 is provided at the bottom plate 302 extending out of the "C" shaped sliding sleeve 301, the position of the lifting rope fixing hole 305 corresponds to the lifting rope pipe fixing hole 102, the lifting rope fixing hole 305 is fixedly connected with the lifting rope core 5, a second fixing hole 304 is provided at the bottom end of the inner wall of the sliding sleeve 301, and the second fixing hole 304 is connected with the lower end of the tension spring set 6.

As shown in fig. 6 and 7, the sliding sleeve 301 of the "C" shape is convenient for the L-shaped sliding plate 1 to slide inside, at the same time, the screw for limiting the L-shaped sliding plate 1 will not interfere with the sliding sleeve, the tension spring group 6 is connected between the L-shaped sliding plate 1 and the C-shaped sliding sleeve 3 to be affected by the elastic force, when the suspension wire rope acts, the spring is compressed, and when the wire rope breaks, the elastic force causes the relative movement between the two to cause the relative movement between the lifting rope core 5 and the lifting rope pipe 4, and the action of the lifting rope core 5 triggers the safety tongs to clamp the safety tongs.

As shown in fig. 8, the tension spring set 6 includes a top fixing end 61 with a top end connected to a first fixing hole 105, a tension spring guide tube 63 is connected to a lower end of the top fixing end 61, a tension spring is disposed in the tension spring guide tube 63, a tension spring plunger 64 is connected to a lower end of the tension spring plunger 64, and a bottom fixing end 62 connected to a second fixing hole 304 is disposed at a lower end of the tension spring plunger 64.

As shown in fig. 11, the top end of the test lever 9 is provided with a test handle 8.

Claims

1. A elasticity trigger structure for anti safety device that falls of elevator, its characterized in that: the protection device consists of an L-shaped sliding plate (1), an N-shaped lifting plate (2) and a C-shaped sliding sleeve (3), wherein the L-shaped sliding plate (1) is in sliding contact with the N-shaped lifting plate (2) and is limited by a sliding limiting waist-shaped hole (104) on the L-shaped sliding plate (1), a hanging steel wire rope connecting hole (203) is formed above the N-shaped lifting plate (2) and is used for being connected with a hanging steel wire rope, the L-shaped sliding plate (1) is in sliding connection with the C-shaped sliding sleeve (3), the lower end of the L-shaped sliding plate (1) extends out of the C-shaped sliding sleeve (3) and is connected with a lift car, a tension spring group (6) is arranged between the top of the L-shaped sliding plate (1) and the bottom of the C-shaped sliding sleeve (3), a lifting rope pipe (4) which is fixedly connected is arranged at the top of the L-shaped sliding plate (1), and a lifting rope core (5) penetrates the lifting rope pipe (4) and extends downwards and is fixedly connected with the bottom of the C-shaped sliding sleeve (3).

The novel lifting device is characterized in that a simulation trigger structure is arranged between the lower end of the N-type lifting plate (2) and the C-type sliding sleeve (3), the N-type lifting plate (2) and the C-type sliding sleeve (3) are connected together in a separable mode through the simulation trigger mechanism, the N-type lifting plate (2) and the C-type sliding sleeve (3) are integrated when the novel lifting device is not triggered, and the N-type lifting plate (2) and the C-type sliding sleeve (3) are separated under the action of the tension spring set (6) after the triggering.

2. The elastic triggering structure for the elevator anti-falling safety protection device according to claim 1, wherein the simulation triggering structure comprises a testing rod (9) positioned on the back of an N-type lifting plate (2), a limit screw nut group (7) penetrates through the testing rod (9), the N-type lifting plate (2) and a sliding limit waist-shaped hole (104) and is used for carrying out up-down limit through the sliding limit waist-shaped hole (104), the testing rod (9) is rotationally connected with the limit screw nut group (7), a lock hook (12) and a return column (13) are respectively arranged at the lower end and one side of the testing rod (9), a supporting plate (10) is arranged on the N-type lifting plate (2) opposite to the N-type lifting plate (2), a spring is arranged between the supporting plate (10) and the return column (13), and a lock pin (14) corresponding to the lock hook (12) is arranged on a C-type sliding sleeve (3).

3. The elastic triggering structure for the elevator anti-falling safety protection device according to claim 2, wherein the L-shaped sliding plate (1) is an inverted L-shaped plate body, the upper end of the inverted L-shaped plate body is a transverse plate (101), a lifting rope pipe fixing hole (102) connected with the lifting rope pipe (4) is arranged at the front end of the transverse plate (101), an N-shaped lifting plate guide hole (103) is arranged behind the lifting rope pipe fixing hole (102), the N-shaped lifting plate guide hole (103) is in sliding contact with the N-shaped lifting plate (2), first fixing holes (105) connected with a tension spring set (6) are formed in two sides of an upright plate body of the inverted L-shaped plate body, a sliding limiting waist-shaped hole (104) is arranged on the upright plate body of the plate body, and a car fixing hole (106) is formed in the tail end below the upright plate body.

4. The elastic triggering structure for the anti-falling safety protection device of the elevator according to claim 3, wherein the N-type lifting plate (2) comprises two parallel vertical plate bodies, namely a guide plate (201) and a connecting plate (202), the upper ends of the guide plate (201) and the connecting plate (202) are fixedly connected and provided with hanging steel wire rope connecting holes (203), limit screw through holes (204) are arranged below the guide plate (201) and the connecting plate (202), and the lower end of the guide plate (201) penetrates through the N-type lifting plate guide holes (103) and is in sliding connection with the N-type lifting plate guide holes.

5. The elastic triggering structure for the elevator anti-falling safety protection device according to claim 4, wherein the C-shaped sliding sleeve (3) comprises a C-shaped sliding sleeve (301), a bottom plate (302) is arranged at the bottom end of the sliding sleeve (301), an L-shaped sliding plate through hole (303) is arranged at the inner part of the sliding sleeve (301) of the bottom plate (302), the lower end of the L-shaped sliding plate (1) penetrates through the L-shaped sliding plate through hole (303) and is in sliding contact with the L-shaped sliding plate through hole, the bottom plate (302) stretches out of the C-shaped sliding sleeve (301) and is provided with a lifting rope fixing hole (305), the lifting rope fixing hole (305) corresponds to the lifting rope pipe fixing hole (102), the lifting rope fixing hole (305) is fixedly connected with the lifting rope core (5), a second fixing hole (304) is arranged at the bottom end of the inner wall of the sliding sleeve (301), and the second fixing hole (304) is connected with the lower end of the tension spring group (6).

6. The elastic triggering structure for an elevator anti-falling safety protection device according to claim 5, wherein the tension spring group (6) comprises a top fixed end (61) with the top connected with the first fixed hole (105), a tension spring guide pipe (63) is connected to the lower end of the top fixed end (61), a tension spring is arranged in the tension spring guide pipe (63), a tension spring plunger (64) is connected to the lower end of the tension spring, and a bottom fixed end (62) connected with the second fixed hole (304) is arranged at the lower end of the tension spring plunger (64).

7. The elastic triggering structure for the elevator anti-falling safety protection device according to claim 6, wherein the top end of the test rod (9) is provided with a test handle (8).