CN213112089U

CN213112089U - Elevator maintenance is with locking terraced device

Info

Publication number: CN213112089U
Application number: CN202021952167.5U
Authority: CN
Inventors: 边进军
Original assignee: Anhui Yuhao Trade Development Co ltd
Current assignee: Anhui Yuhao Trade Development Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-04
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an elevator maintenance is with locking ladder device belongs to elevator technical field. The utility model provides an elevator maintenance is with locking terraced device, includes the elevartor shaft, the elevartor shaft rear end is equipped with the support frame, the support frame top surface is equipped with the motor, motor output shaft has cup jointed gear A, the cover is equipped with the chain on the gear A, the motor left and right sides is equipped with two pivots, gear B has been cup jointed in the pivot, bevel gear A has been cup jointed at the pivot middle part, bevel gear A outer end is equipped with bevel gear B, bevel gear B middle part transversely is equipped with the dwang, the dwang outer wall is equipped with the fixed plate. The utility model discloses set up the motor at support frame top surface middle part, be connected motor and external control power, rotate through power supply driving motor output shaft, drive gear A and rotate, and then realize the pivot and rotate, the rotation of pivot will drive the rotation of dwang, and then has realized that the fixed plate rotates to the front side circular arc, realizes supporting fixedly elevator car bottom surface.

Description

Elevator maintenance is with locking terraced device

Technical Field

The utility model relates to an elevator technical field, more specifically say, relate to an elevator maintenance is with locking terraced device.

Background

The elevator mainly comprises car, guide rail, system of towing, door system, electric drive system, weight balance system, safety protection system etc. and makes up, when carrying out the maintenance and the inspection of equipment to the elevator, in order to prevent that the car from appearing the condition of out of control or unexpected removal, need provide an elevator locking device, guarantees maintainer's safety. The existing elevator locking device for elevator maintenance depends on the fact that a power supply is turned off and an elevator driving device is turned off to achieve elevator locking, and meanwhile, the elevator locking device is low in stability and has a risk of sliding downwards, so that how to provide the elevator locking device with a supporting effect for elevator maintenance is particularly important.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide an elevator maintenance is with locking ladder device to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

A ladder locking device for elevator maintenance comprises an elevator shaft, wherein an elevator car is arranged in the elevator shaft, an elevator door is arranged on the front wall of the elevator shaft relative to the position of the front end of the elevator car, a support frame is fixedly arranged at the rear end of the elevator shaft relative to the position below the elevator door, a motor is fixedly arranged in the middle of the top surface of the support frame, a gear A is sleeved on the outer wall of the motor output shaft, a chain is sleeved on the outer wall of the gear A, two rotating shafts are longitudinally and symmetrically arranged on the left side and the right side of the motor, a gear B is sleeved on the outer wall of the front end of each rotating shaft, a bevel gear A is sleeved on the outer wall of the middle of each rotating shaft, a support plate is longitudinally and fixedly arranged at the position of the top surface of the support frame relative to the, the dwang outer wall has set firmly the fixed plate for the position in the support frame outside, the fixed plate front side is equipped with the layer board, the layer board is all equipped with the spring in four corners at the back, is located the left pivot rear end outer wall has cup jointed the cam, the cam top surface has set firmly the rubber pad, the through-hole has been seted up for the position that is located left side backup pad inboard to the support frame top surface, the inside cable wire that is equipped with of through-hole.

Preferably, the gear A is in meshed connection with the two gears B through a chain.

Preferably, the rear end of the rotating shaft extends to the inside of the rear wall of the elevator shaft and is rotatably connected with the rear wall.

Preferably, the outer wall of the rotating rod is rotatably connected with the inner wall of the supporting plate, and the rear end of the spring is fixedly connected with the front end of the fixing plate.

Preferably, the outer wall of the steel cable is in clearance fit with the inner wall of the through hole, and the downward two ends of the steel cable respectively pass around pulleys at the upper end and the lower end of the elevator shaft to be connected and fixed with the upper end and the lower end of the elevator car.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up the motor at support frame top surface middle part, be connected the motor with the external control power supply, rotate through mains operated drive motor output shaft, and then drive gear A and rotate, gear A passes through the chain meshing with two gear B in addition and is connected, and two gear B have cup jointed respectively in two pivots, thereby the rotation of two pivots has been realized, bevel gear A has been cup jointed in the pivot simultaneously, wherein bevel gear B cup joints on the dwang, and bevel gear A is the perpendicular meshing relation with bevel gear B, the rotation of pivot will drive the rotation of dwang, and then realized that the fixed plate uses the dwang to rotate to the front side circular arc in the centre of a circle, make the fixed plate rotatory to the horizontal direction support elevator car bottom surface fixedly.

2. The utility model discloses the cam has been cup jointed lieing in left pivot rear end outer wall, and the cam also will rotate right when the pivot rotates for the cam top is rotatory left, extrudees the cable wire on the backup pad inner wall, has set up the rubber pad with crossing and has increased the frictional force with the cable wire, prevents the slip of cable wire, and then has increased elevator car's stability.

3. The utility model discloses set up the layer board in the fixed plate front side, set up four springs at layer board and fixed plate for when layer board and elevator car bottom surface contact, there is the buffer power between layer board and the fixed plate, prevent that the staff from stepping into the elevator car inner wall and produce irreversible pressure to fixed plate and support frame in the twinkling of an eye, increased the stability of support frame.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

fig. 2 is a schematic view of the split front view structure of the elevator car and the elevator door of the utility model;

FIG. 3 is a front view of the supporting frame of the present invention;

fig. 4 is a schematic view of the left side of the support frame of the present invention;

FIG. 5 is a front view of the supporting frame of the present invention;

the reference numbers in the figures illustrate: 1. an elevator shaft; 2. an elevator car; 3. an elevator door; 4. a support frame; 401. a motor; 402. a gear A; 403. a chain; 404. a rotating shaft; 405. a gear B; 406. a bevel gear A; 407. a bevel gear B; 408. rotating the rod; 409. a through hole; 5. a support plate; 6. a fixing plate; 601. a support plate; 602. a spring; 7. a cam; 701. a rubber pad; 8. a steel cord.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

a ladder locking device for elevator maintenance comprises an elevator shaft 1, an elevator car 2 is arranged in the elevator shaft 1, an elevator door 3 is arranged on the front wall of the elevator shaft 1 relative to the position of the front end of the elevator car 2, a support frame 4 is fixedly arranged on the rear end of the elevator shaft 1 relative to the position below the elevator door 3, a motor 401 is fixedly arranged in the middle of the top surface of the support frame 4, a gear A402 is sleeved on the outer wall of an output shaft of the motor 401, a chain 403 is sleeved on the outer wall of the gear A402, two rotating shafts 404 are longitudinally and symmetrically arranged on the left side and the right side of the motor 401, a gear B405 is sleeved on the outer wall of the front end of each rotating shaft 404, a bevel gear A406 is sleeved on the outer wall of the middle part of each rotating shaft 404, a support plate 5 is longitudinally and fixedly arranged on the top surface of the support frame, the fixed plate 6 is fixedly arranged on the outer wall of the rotating rod 408 relative to the position of the outer side of the support frame 4, the supporting plate 601 is arranged on the front side of the fixed plate 6, springs 602 are arranged at four corners of the back of the supporting plate 601, the outer wall of the rear end of the rotating shaft 404 on the left side is sleeved with the cam 7, a rubber pad 701 is fixedly arranged on the top surface of the cam 7, a through hole 409 is formed in the top surface of the support frame 4 relative to the position of the inner side. The utility model discloses the rotation angle size of well fixed plate 6 is unanimous with cam 7's turned angle size for fixed plate 6 is when playing the supporting role, and cam 7 also can extrude cable wire 8 simultaneously, prevents that it from sliding.

Further, the gear a402 is in meshed connection with two gears B405 through a chain 403. The utility model discloses motor 401 has been set up at 4 top surfaces of support frame middle parts, be connected motor 401 and external control power, rotate through mains operated drive motor 401 output shaft, and then drive gear A402 and rotate, gear A402 passes through chain 403 meshing with two gear B405 in addition and is connected, and two gear B405 cup joint respectively on two pivots 404, thereby the rotation of two pivots 404 has been realized, bevel gear A406 has been cup jointed simultaneously in the pivot 404, wherein bevel gear B407 cup joints on dwang 408, and bevel gear A406 is perpendicular meshing relation when with bevel gear B407, the rotation of pivot 404 will drive the rotation of dwang 408, and then realized that fixed plate 6 uses dwang 408 to rotate as the forward side circular arc in the centre of a circle, make fixed plate 6 rotatory to the horizontal direction support fixedly elevator car 2 bottom surfaces.

Further, the rear end of the rotating shaft 404 extends to the inside of the rear wall of the elevator shaft 1 and is rotatably connected thereto.

It should be noted that the outer wall of the rotating rod 408 is rotatably connected to the inner wall of the supporting plate 5, and the rear end of the spring 602 is fixedly connected to the front end of the fixing plate 6. The utility model discloses set up layer board 601 in fixed plate 6 front side, set up four springs at layer board 601 and fixed plate 6 for when layer board 601 and the contact of elevator car 2 bottom surfaces, there is the buffer power between layer board 601 and the fixed plate 6, prevent that the staff from stepping on 2 inner walls of elevator car and produce irreversible pressure to fixed plate 6 and support frame 4 in the twinkling of an eye, increased support frame 4's stability.

It is worth to be noted that the outer wall of the steel cable 8 is in clearance fit with the inner wall of the through hole 409, and the downward two ends of the steel cable 8 respectively bypass the pulleys at the upper end and the lower end of the elevator shaft 1 to be connected and fixed with the upper end and the lower end of the elevator car 2. The utility model discloses cup jointed cam 7 at being located left pivot 404 rear end outer wall, cam 7 also will rotate right when pivot 404 rotates for 7 tops of cams are rotatory left, extrude cable wire 8 on 5 inner walls of backup pad, have set up rubber pad 701 with crossing and have increased the frictional force with cable wire 8, prevent cable wire 8's slip, and then have increased elevator car 2's stability.

The working principle is as follows: the utility model provides a locking ladder device for elevator maintenance, when needing to lock ladder maintenance, connect motor 401 with external control power, through the power supply drive motor 401 output shaft rotation, and then drive gear A402 to rotate, gear A402 and two gears B405 through chain 403 meshing connection in addition, and two gears B405 cup joint respectively on two pivots 404, thereby realized the rotation of two pivots 404, simultaneously cup joint bevel gear A406 on pivot 404, wherein bevel gear B407 cup joints on dwang 408, and bevel gear A406 and bevel gear B407 when perpendicular meshing relation, the rotation of pivot 404 will drive the rotation of dwang 408, and then realized that fixed plate 6 uses the forward side circular arc rotation of dwang 408 as the centre of a circle, make fixed plate 6 rotate to the horizontal direction and support the bottom surface of elevator car 2 fixedly, in addition set up layer board 601 in the front side of fixed plate 6, four springs are arranged on the supporting plate 601 and the fixing plate 6, when the supporting plate 601 is contacted with the bottom surface of the elevator car 2, buffer force exists between the supporting plate 601 and the fixing plate 6, the condition that an operator steps on the inner wall of the elevator car 2 to generate irreversible pressure on the fixing plate 6 and the supporting frame 4 in the moment is avoided, the stability is improved, in addition, the cam 7 is sleeved on the outer wall of the rear end of the left rotating shaft 404, the cam 7 also rotates rightwards when the rotating shaft 404 rotates, the top end of the cam 7 rotates leftwards, the steel cable 8 is extruded on the inner wall of the supporting plate 5, meanwhile, the rubber pad 701 is arranged to increase the friction force with the steel cable 8, the sliding of the steel cable 8 is prevented, and.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an elevator maintenance is with locking ladder device which characterized in that: the elevator comprises an elevator shaft (1), an elevator car (2) is arranged in the elevator shaft (1), an elevator door (3) is arranged on the front wall of the elevator shaft (1) relative to the position of the front end of the elevator car (2), a support frame (4) is fixedly arranged at the rear end of the elevator shaft (1) relative to the position below the elevator door (3), a motor (401) is fixedly arranged in the middle of the top surface of the support frame (4), a gear A (402) is sleeved on the outer wall of an output shaft of the motor (401), a chain (403) is sleeved on the outer wall of the gear A (402), two rotating shafts (404) are longitudinally and symmetrically arranged on the left side and the right side of the motor (401), a gear B (405) is sleeved on the outer wall of the front end of the rotating shaft (404), a bevel gear A (406) is sleeved on the outer wall of the, bevel gear A (406) outer end is equipped with bevel gear B (407) rather than the meshing, bevel gear B (407) middle part has transversely set firmly dwang (408), dwang (408) run through backup pad (5) inside and outside two walls and extend to the support frame (4) outside, dwang (408) outer wall has set firmly fixed plate (6) for the position in the support frame (4) outside, fixed plate (6) front side is equipped with layer board (601), layer board (601) rear four corners all is equipped with spring (602), is located the left pivot (404) rear end outer wall has cup jointed cam (7), cam (7) top surface has set firmly rubber pad (701), through-hole (409) have been seted up for the position that is located left side backup pad (5) inboard to support frame (4) top surface, through-hole (409) inside is equipped with cable wire (8).

2. The elevator locking device for elevator maintenance according to claim 1, wherein: the gear A (402) is in meshed connection with the two gears B (405) through a chain (403).

3. The elevator locking device for elevator maintenance according to claim 1, wherein: the rear end of the rotating shaft (404) extends to the inner part of the rear wall of the elevator shaft (1) and is connected with the rear wall in a rotating way.

4. The elevator locking device for elevator maintenance according to claim 1, wherein: dwang (408) outer wall and backup pad (5) inner wall rotate to be connected, spring (602) rear end is connected fixedly with fixed plate (6) front end.

5. The elevator locking device for elevator maintenance according to claim 1, wherein: the outer wall of the steel cable (8) is in clearance fit with the inner wall of the through hole (409), and the downward two ends of the steel cable (8) are respectively connected and fixed with the upper end and the lower end of the elevator car (2) by bypassing the pulleys at the upper end and the lower end of the elevator shaft (1).