CN212076074U

CN212076074U - Elevator maintenance device

Info

Publication number: CN212076074U
Application number: CN202020615109.7U
Authority: CN
Inventors: 费雪强; 朱建琴; 敖敏发
Original assignee: Zhejiang Fujimei Elevator Co ltd
Current assignee: Zhejiang Fujimei Elevator Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-04
Anticipated expiration: 2030-04-22

Abstract

The utility model provides an elevator overhauls device belongs to elevator technical field. The elevator overhauling device comprises a waterproof piece, a supporting column, a buffering piece, a height adjusting piece, an overhauling platform, a lifting piece and a guardrail. The utility model provides a waterproof piece is waterproof, 4 waterproof pieces set up respectively in 4 angles of waterproof board lower extreme, improve the stability of waterproof board, the support column sets up respectively in 4 angle departments of waterproof board upper end, altitude mixture control bolster height, can adjust the bolster to be higher than the car along with the descending extreme position of guide rail through altitude mixture control piece when the guide rail height of elevator is different like this, thereby make things convenient for the bolster to cushion for descending car, improve the application breadth of overhauing the device, overhaul the platform through the lift of going up and down after the car stops, convenience of customers overhauls the car, moreover, the steam generator is simple in structure, can avoid the ponding damage equipment at the bottom of the elevator pit, and the service life of the improvement equipment is prolonged.

Description

Elevator maintenance device

Technical Field

The utility model belongs to the technical field of the elevator, a elevator overhauls device is related to.

Background

When overhauing the elevator bottom, need the user to get into the elevator shaft bottom and maintain the elevator, but present elevartor shaft height is different, then the height of the position that the elevator descends on the guide rail then is different, then the maintenance device need go up and down, and elevartor shaft bottom easily forms ponding simultaneously, needs to be waterproof to overhauing the device, so need one kind can go up and down, prevent the maintenance device of elevartor shaft ponding.

Chinese patent CN 209853515U discloses an elevator overhauls device, including elevartor shaft, elevator pit end and car, the both sides of car assemble in on the elevator guide rail of elevartor shaft lateral wall, the elevator pit end is located the bottom of elevartor shaft, the bottom symmetry at the elevator pit end is provided with two spinal branch daggers, every the outside of support column respectively through last fixed angle steel and lower fixed angle steel with the lateral wall fixed connection at the elevator pit end, the inboard of support column all is provided with lifting guide, lifting guide is last to be equipped with removes the seat, two remove the horizontal stand between the seat and be equipped with the maintenance platform, be provided with the guardrail on the maintenance platform, the top of support column is connected with the bearing plate through buffer spring. The utility model discloses stable in structure overhauls the platform and can realize displacement from top to bottom along removing seat along lifting guide, adjusts to suitable maintenance height, can adapt to the well of the different degree of depth, and it is simple to dismantle simultaneously, builds the convenience, and the security is high. Support column sets up in elevator hole bottom in the above-mentioned patent, lifting guide sets up in the support column inboard, when there is ponding elevator hole bottom, support column and lifting guide for a long time bubble can be corroded in ponding, rust, then can block up lifting guide, the rising of removing the seat has been influenced, after fixing the support column simultaneously, then set up in the high of the buffer spring on support column top and bearing plate and just confirmed, like this when elevator guide is great apart from the support column, then the car descends to elevator guide bottom still can't touch the bearing plate when speed is great, then can't cushion for the car, well and elevator guide of unable adaptation different degree of depth, can produce the heat when removing the seat and removing in lifting guide removes, lifting guide and removal seat generate heat can accelerate lifting guide and remove the damage of seat.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned problem that prior art exists, provide an elevator and overhaul device, the utility model aims to solve the technical problem that: how to provide an elevator maintenance device which can lift, buffer a descending car and prevent accumulated water at the bottom of an elevator pit from damaging equipment.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an elevator overhauls device for the car that sets up in the elevator well overhauls, including set up in the waterproof piece of elevator pit bottom lower part, set up respectively in 4 support columns at waterproof piece upper end 4 angles, be used for carrying out the bolster that cushions for descending car, be used for adjusting the altitude mixture control spare of bolster height, overhaul the platform, be used for going up and down to overhaul the lift piece of platform, set up the guardrail on overhauing the platform, waterproof includes the waterproof board, sets up respectively in 4 waterproof pieces at 4 angles of waterproof board lower extreme, altitude mixture control spare both ends are connected respectively in support column and buffer, it connects respectively in overhauing platform and waterproof board to go up and down a both ends.

Preferably, the lifting member is a plurality of hydraulic cylinders, and the hydraulic cylinders are symmetrically arranged about a center line of the maintenance platform.

Preferably, the bolster is including setting up in the first backup pad on top, setting up in the first working cylinder of first backup pad lower extreme, set up the first piston in first working cylinder, set up in the second backup pad of bottom, set up in the second working cylinder of second backup pad upper end, set up in the second piston of second working cylinder, both ends connect respectively in the push rod of first piston and second piston, cup joint the first spring in the push rod, first working cylinder, second working cylinder set up relatively, first working cylinder is located the upper end of second working cylinder.

Preferably, be equipped with first spiro union groove in the support column, second backup pad bottom is equipped with the mounting groove, height adjusting part is including first bearing, the screw rod that is fixed in the mounting groove, the screw rod top cup joints in first bearing, bottom spiro union in first spiro union groove.

Preferably, the waterproof board is a rectangular waterproof board, the supporting columns are rectangular supporting columns, and the overhaul platform is a cross-shaped overhaul platform.

Preferably, the buffer member further comprises a bellow, both ends of which are fixed to the bottom end of the first support plate and the top end of the second support plate respectively.

Preferably, an elastic limiting plate used for limiting the guardrail when the lifting piece pushes the maintenance platform to ascend so as to drive the guardrail to ascend is connected between any two adjacent first supporting plates.

Preferably, the screw rod is including cup jointing in the portion of cup jointing of first bearing and spiro union in the spiro union portion of first spiro union groove, the spiro union portion is including setting up in inboard rectangular body pole, setting up 4 lateral parts on rectangular body pole, setting up in the arc piece of lateral part periphery, setting up in the first external screw thread of arc piece periphery, setting up the scale district on the lateral part, first external screw thread spiro union is in first spiro union groove, the number more than or equal to 1, the less than or equal to 3 of arc piece.

Preferably, two ends of the elastic limiting plate are respectively hinged with the two first supporting plates.

Preferably, the number of the arc blocks is 2, and the two arc blocks are arranged on two sides of the central line of the rectangular rod in parallel.

The utility model provides a beneficial effect: 1. the waterproof part is waterproof, 4 waterproof blocks are respectively arranged at 4 corners of the lower end of the waterproof board, the stability of the waterproof board is improved, the supporting columns are respectively arranged at 4 corners of the upper end of the waterproof board, two ends of the height adjusting part are respectively connected to the supporting columns and the buffer part, so that the buffer part can buffer 4 corners of the car respectively, the height of the buffer part is adjusted by the height adjusting part, the buffer part can be adjusted to be higher than the lowest position of the car descending along with the guide rails when the heights of the guide rails of the elevator are different, the buffer part can buffer the descending car conveniently, the application range of the maintenance device is improved, the maintenance platform is lifted by the lifting part after the car stops, the car is convenient to maintain by a user, the structure is simple, equipment can be prevented from being damaged by accumulated water;

2. the lifting piece is a plurality of hydraulic cylinders, the hydraulic cylinders are symmetrically arranged relative to the center line of the maintenance platform, the maintenance platform can be stably lifted to a target position, and the mutual friction among equipment is reduced in the lifting process, so that the heat generation can be reduced;

3. when the lift car moves downwards, the descending speed of the lift car is reduced through the first working cylinder, the second working cylinder and the first spring, and the buffering efficiency is high;

4. the top end of the screw rod is sleeved on the first bearing, and the bottom end of the screw rod is in threaded connection with the first threaded groove, so that the screw rod can generate lifting motion relative to the first threaded groove when the screw rod rotates around the first threaded groove, and the buffer piece is pushed to lift;

5. two ends of the corrugated cover are respectively fixed at the bottom end of the first supporting plate and the top end of the second supporting plate, so that dust can be prevented from entering the first working cylinder, the second working cylinder or the first spring;

6. the elastic limiting plate can limit the guardrail when the lifting piece pushes the maintenance platform to rise so as to drive the guardrail to rise, so that the situation that the maintenance platform is too high to be beneficial to a user to maintain the lift car is avoided;

7. arc piece and scale zone set up respectively on the lateral part, first external screw thread sets up in arc piece periphery, first external screw thread spiro union in first thread groove for the screw rod spiro union in first spiro union groove, when the screw rod rotates round first spiro union groove like this, the screw rod goes up and down for the support column, the convenient high value of understanding the screw rod lift through the size change of the scale interval of observing the scale zone, thereby adjust the height of 4 screw rods respectively so that the height that 4 screw rods go up and down equals, make the height of 4 bolster equal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the support column and the maintenance platform of the present invention respectively disposed on the waterproof board;

fig. 3 is a schematic structural view of the buffer member of the present invention;

fig. 4 is a schematic structural view of the screw bolt screwed to the support column in the present invention.

In the figure: 1-elevator shaft, 2-elevator pit bottom, 3-elevator car, 41-waterproof block, 42-waterproof board, 5-lifting piece, 61-maintenance platform, 62-guardrail, 63-support column, 7-screw rod, 71-sleeving part, 72-screwing part, 721-rectangular rod, 722-arc block, 723-scale area, 8-buffer piece, 81-first support plate, 82-first working cylinder, 83-first piston, 84-second working cylinder, 85-second piston, 86-push rod, 87-first spring, 88-second support plate and 89-ripple cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1, 2, 3, 4, the elevator maintenance device in this embodiment is configured to maintain a car 3 disposed in an elevator shaft 1, and includes a waterproof member disposed at a lower portion of an elevator pit bottom 2, 4 supporting pillars 63 respectively disposed at 4 corners of an upper end of the waterproof member, a buffer member 8 configured to buffer the descending car 3, a height adjusting member configured to adjust a height of the buffer member 8, a maintenance platform 61, a lifting member 5 configured to lift the maintenance platform 61, and a guardrail 62 disposed on the maintenance platform 61, wherein the waterproof member includes a waterproof plate 42, 4 waterproof blocks 41 respectively disposed at 4 corners of a lower end of the waterproof plate 42, two ends of the height adjusting member are respectively connected to the supporting pillars 63 and the buffer member 8, the supporting pillars 63 are respectively disposed at 4 corners of an upper end of the waterproof plate 42, and two ends of the lifting member 5 are respectively connected to the maintenance platform 61 and the waterproof plate 42.

Here, the waterproof member is waterproof, 4 waterproof blocks 41 are respectively arranged at 4 corners of the lower end of the waterproof plate 42 to improve the stability of the waterproof plate 42, the supporting columns 63 are respectively arranged at 4 corners of the upper end of the waterproof plate 42, two ends of the height adjusting member are respectively connected to the supporting columns 63 and the buffer members 8, so that the buffer members 8 can respectively buffer 4 corners of the car 3, the height adjusting member adjusts the height of the buffer member 8, thus the height of the buffer member 8 can be adjusted to be higher than the lowest position of the car 3 descending along with the guiding rails by the height adjusting member when the height of the guiding rails of the elevator is different, the buffer member 8 can conveniently buffer the descending car 3, the application range of the maintenance device is improved, the maintenance platform 61 is lifted by the lifting member 5 after the car 3 is stopped, a user can conveniently maintain the car 3, the structure is simple, and the, the service life of the equipment is prolonged.

The lifting member 5 may be a plurality of hydraulic cylinders which are symmetrically arranged about the center line of the service platform 61. The lifting piece 5 is a plurality of hydraulic cylinders which are symmetrically arranged relative to the center line of the maintenance platform 61, so that the maintenance platform 61 can be stably lifted to a target position, and the mutual friction between the devices is reduced in the lifting process, and the heat generation can be reduced.

The cushion member 8 may include a first supporting plate 81 disposed at the top end, a first working cylinder 82 disposed at the lower end of the first supporting plate 81, a first piston 83 disposed in the first working cylinder 82, a second supporting plate 88 disposed at the bottom end, a second working cylinder 84 disposed at the upper end of the second supporting plate 88, a second piston 85 disposed in the second working cylinder 84, a push rod 86 having two ends connected to the first piston 83 and the second piston 85, and a first spring 87 sleeved on the push rod 86, wherein the first working cylinder 82 and the second working cylinder 84 are disposed oppositely, and the first working cylinder 82 is located at the upper end of the second working cylinder 84. The first cylinder 82 and the second cylinder 84 are identical in shape, and the first cylinder 82 may be an air cylinder. When the car 3 moves downward, the first cylinder 82, the second cylinder 84, and the first spring 87 reduce the downward speed of the car 3, and the buffering efficiency is high. The 4 support columns 63 are respectively arranged in parallel.

Be equipped with first spiro union groove in the support column 63, second backup pad 88 bottom is equipped with the mounting groove, and altitude mixture control spare is including being fixed in first bearing, the screw rod 7 of mounting groove, and the screw rod 7 top cup joints in first bearing, bottom spiro union in first spiro union groove. The top of the screw rod 7 is sleeved on the first bearing, the bottom end of the screw rod is in threaded connection with the first threaded connection groove, so that the screw rod 7 can generate lifting motion relative to the first threaded connection groove when the screw rod 7 rotates around the first threaded connection groove, the buffer member 8 is pushed to lift, and when the device is installed and overhauled, the buffer member 8 can be adjusted to be higher than the lowest position of the elevator car 3 along with the guide rail through the rotation of the adjusting screw rod 7 around the first threaded connection groove when the height of the guide rail of the elevator is different.

The waterproof board 42 can be a rectangular waterproof board 42, the supporting columns 63 are rectangular supporting columns 63, the overhauling platform 61 is a cross overhauling platform 61, and the cross overhauling platform 61 can increase the using area of a user.

The cushion member 8 may further include a bellows 89 having both ends fixed to the bottom end of the first support plate 81 and the top end of the second support plate 88, respectively. The bellows cover 89 is fixed at both ends to the bottom end of the first support plate 81 and the top end of the second support plate 88, respectively, so that dust is prevented from entering the first cylinder 82, the second cylinder 84, or the first spring 87.

An elastic limiting plate used for limiting the guardrail 62 when the lifting piece 5 pushes the maintenance platform 61 to ascend so as to drive the guardrail 62 to ascend is connected between any two adjacent first supporting plates 81. The elasticity limiting plate can be on a parallel with maintenance platform 61, and elasticity limiting plate can promote to overhaul platform 61 and rise in order to drive guardrail 62 and rise when carrying on spacingly for guardrail 62 at lifting member 5, avoids overhauing platform 61 and goes up and down too high to be unfavorable for the user to overhaul car 3.

The screw 7 can include the socket joint portion 71 that cup joints in first bearing and the spiro union 72 in first spiro union groove, the spiro union 72 is including setting up in inboard rectangular body pole 721, set up 4 lateral parts on rectangular body pole 721, set up in the arc piece 722 of lateral part periphery, set up in the first external screw thread of arc piece 722 periphery, set up scale area 723 on the lateral part, first external screw thread spiro union is in first spiro union groove, the number more than or equal to 1, less than or equal to 3 of arc piece 722. Arc piece 722 and scale area 723 set up respectively on the lateral part, first external screw thread sets up in arc piece 722 periphery, first external screw thread spiro union is in first thread groove, make screw rod 7 spiro union in first spiro union groove, when screw rod 7 rotates round first spiro union groove, screw rod 7 goes up and down for support column 63, the height value that screw rod 7 goes up and down is known to the size change of the scale value of convenient through observing scale area 723, thereby adjust the height of 4 screw rods 7 respectively so that the height that 4 screw rods 7 go up and down equals, make the height of 4 bolster 8 equal. The scale values of the scale regions 723 may become larger in order along the direction from the second support plate 88 to the first support plate 81.

Two first supporting plates 81 can be respectively hinged to two ends of the elastic limiting plate. One end of one first supporting plate 81 can be hinged with a first hinged rod, one end of the other first supporting plate 81 can be hinged with a second hinged rod, and two ends of the elastic limiting plate are hinged to the first hinged rod and the second hinged rod respectively.

The number of the arc-shaped blocks 722 is 2, and the two arc-shaped blocks 722 are arranged on two sides of the central line of the rectangular rod 721 in parallel, so that the two scale areas 723 are arranged in parallel, and a user can conveniently adjust the screw 7 by observing the scales of the scale areas.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an elevator overhauls device for overhaul car (3) that set up in elevartor shaft (1), its characterized in that: including setting up in the waterproof part of elevator pit bottom (2) lower part, setting up respectively in 4 support columns (63) at 4 angles in waterproof part upper end, be used for carrying out bolster (8) of buffering for descending car (3), be used for adjusting the altitude mixture control piece of bolster (8) height, overhaul platform (61), be used for going up and down to overhaul lift (5) of platform (61), set up guardrail (62) on overhauing platform (61), waterproof includes waterproof board (42), sets up respectively in 4 waterproof pieces (41) at 4 angles of waterproof board (42) lower extreme, altitude mixture control piece both ends are connected respectively in support column (63) and buffer (8), lift (5) both ends are connected respectively in overhauing platform (61) and waterproof board (42).

2. An elevator service apparatus as defined in claim 1, wherein: the lifting piece (5) is a plurality of hydraulic cylinders, and the hydraulic cylinders are symmetrically arranged relative to the center line of the maintenance platform (61).

3. An elevator service apparatus as defined in claim 1 or 2, wherein: the buffer member (8) comprises a first supporting plate (81) arranged at the top end, a first working cylinder (82) arranged at the lower end of the first supporting plate (81), a first piston (83) arranged in the first working cylinder (82), a second supporting plate (88) arranged at the bottom end, a second working cylinder (84) arranged at the upper end of the second supporting plate (88), a second piston (85) arranged in the second working cylinder (84), and a first spring (87) with two ends connected to a push rod (86) of the first piston (83) and the second piston (85) respectively and sleeved on the push rod (86), wherein the first working cylinder (82) and the second working cylinder (84) are arranged oppositely, and the first working cylinder (82) is arranged at the upper end of the second working cylinder (84).

4. An elevator service apparatus as defined in claim 3, wherein: be equipped with first spiro union groove in support column (63), second backup pad (88) bottom is equipped with the mounting groove, altitude mixture control spare is including first bearing, screw rod (7) that are fixed in the mounting groove, screw rod (7) top cup joints in first bearing, bottom spiro union in first spiro union groove.

5. An elevator service apparatus as defined in claim 4, wherein: the waterproof board (42) is a rectangular waterproof board (42), the supporting columns (63) are rectangular supporting columns (63), and the overhaul platform (61) is a cross-shaped overhaul platform (61).

6. An elevator service apparatus as defined in claim 3, wherein: the buffer piece (8) further comprises a corrugated cover (89) with two ends respectively fixed at the bottom end of the first supporting plate (81) and the top end of the second supporting plate (88).

7. An elevator service apparatus as defined in claim 5, wherein: any two adjacent first supporting plates (81) are connected with an elastic limiting plate used for limiting the guardrail (62) when the lifting piece (5) pushes the maintenance platform (61) to ascend so as to drive the guardrail (62) to ascend.

8. An elevator service apparatus as defined in claim 7, wherein: screw rod (7) are including cup jointing in the portion of cup jointing (71) of first bearing and spiro union in spiro union portion (72) of first spiro union groove, spiro union portion (72) are including setting up in inboard rectangular body pole (721), set up 4 lateral parts on rectangular body pole (721), set up in arc piece (722) of lateral part periphery, set up in the first external screw thread of arc piece (722) periphery, set up scale area (723) on the lateral part, first external screw thread spiro union is in first spiro union groove, the number more than or equal to 1, less than or equal to 3 of arc piece (722).

9. An elevator service apparatus as defined in claim 8, wherein: two ends of the elastic limiting plate are respectively hinged with two first supporting plates (81).

10. An elevator service apparatus as defined in claim 8, wherein: the number of the arc-shaped blocks (722) is 2, and the two arc-shaped blocks (722) are arranged on two sides of the central line of the rectangular rod (721) in parallel.