CN111137768A

CN111137768A - Operation auxiliary mechanism for ensuring stable lifting of elevator

Info

Publication number: CN111137768A
Application number: CN202010029009.0A
Authority: CN
Inventors: 陈源; 鞠成伟; 魏玉伟; 罗立霄; 王小林; 江村
Original assignee: Guangxi Zhuang Autonomous Region Special Equipment Inspection And Research Institute
Current assignee: Guangxi Zhuang Autonomous Region Special Equipment Inspection And Research Institute
Priority date: 2020-01-12
Filing date: 2020-01-12
Publication date: 2020-05-12

Abstract

The invention relates to the technical field of elevators, in particular to a running auxiliary mechanism for ensuring stable lifting of an elevator, which comprises an elevator cage, wherein a connecting seat is installed at the top of the elevator cage, leveling devices are installed on the left side and the right side of the elevator cage, the leveling devices on the left side and the right side are installed on the left side wall and the right side wall of the elevator cage in a mirror image mode, each leveling device comprises a transmission frame and a movable frame, fixing plates are installed at the upper end and the lower end of each transmission frame, a transmission screw rod penetrates through the fixing plates at the upper end and the lower end of each transmission frame, the transmission screw rods are bidirectional threaded rods, the surface threads of the left section and the right section of each transmission screw rod are opposite in direction, transmission sleeves are installed on the left section and the right. The movable frame is driven to expand outwards through thread transmission, so that the pulleys are driven to be installed in a wedged manner with the tracks in the inner cavity of the elevator shaft, and the left and right limiting of the elevator cage during operation is kept.

Description

Operation auxiliary mechanism for ensuring stable lifting of elevator

Technical Field

The invention relates to the technical field of elevators, in particular to an operation auxiliary mechanism for ensuring stable lifting of an elevator.

Background

The traction elevator is a common vertical lifting tool and is generally used in areas such as large commercial buildings or office buildings, compared with a hydraulic elevator, the traction elevator has the advantages of high transmission height, high acceleration, rapid lifting and the like, and the application range of the traction elevator is very wide. With the development of modern society, the requirements of people on traction elevators are gradually increased. When the traction elevator runs, the leveling device is used when the traction elevator is lifted to a specified floor, and the leveling device brakes after detecting the leveling, so that on one hand, when a braking system brakes the leveling, the braking system brakes too fast, lacks buffer and has poor stability; on the other hand, when the elevator is braked, if the brake system fails, the phenomena of unstable, uneven and inaccurate floor stopping can occur.

Chinese patent (No. CN 205892431U) discloses a lifting stable elevator, wherein a telescopic device and an auxiliary support device are connected on the outer side wall of a car and used for assisting the stability of the operation of the elevator; but are simply connected to the outside of the elevator shaft by telescoping and cannot be fully effective in maintaining the stability of the elevator because of the certain volatility of the telescoping structures, in particular the spring telescoping structures used in this application.

Disclosure of Invention

The present invention aims to provide an auxiliary mechanism for ensuring the stable lifting of an elevator, so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

an operation auxiliary mechanism for ensuring stable lifting of an elevator comprises an elevator cage, wherein connecting seats are installed at the top of the elevator cage, leveling devices are installed on the left side and the right side of the elevator cage, a buffer cavity is arranged at the bottom of the elevator cage, the connecting seats are provided with two passages and are arranged in a left-right mirror image mode by taking the central line of the elevator cage as an axis, a steel wire rope is externally connected with the connecting seats, a first fixing seat and a second fixing seat are installed on the connecting seats respectively, a fixed pulley and a turning wheel are installed on the first fixing seat and the second fixing seat respectively, the steel wire rope vertically downwards penetrates through the fixed pulley and then is turned by the turning wheel to be vertically upwards drawn, the leveling devices on the left side and the right side are installed on the left side wall and the right side wall of the elevator cage in a mirror image mode, each leveling device comprises a transmission frame and a movable frame, the transmission screw rod is two-way threaded rod and the opposite direction of two sections of surface screw thread about it, the transmission cover is all installed to two sections about the transmission screw rod, install the fixing base on the lateral wall of adjustable shelf, be provided with the transmission connecting rod between transmission cover and the fixing base and be connected, install a plurality of wheel seats on the lateral wall of adjustable shelf, all install the pulley on the wheel seat.

As a further scheme of the invention: and a locking sleeve is fixedly arranged between the wheel seat and the movable frame.

As a further scheme of the invention: be provided with the spacing groove on the inside wall of driving frame, the transmission cover is connected with the stopper through the connecting block, the stopper gomphosis is at the spacing inslot.

As a further scheme of the invention: and telescopic loop bars are arranged at the upper end and the lower end of the transmission frame and the movable frame and are connected.

As a further scheme of the invention: the steel wire rope fixing device is characterized in that a limiting sleeve is installed at the top of the connecting seat, the steel wire rope penetrates through the limiting sleeve, a torsion spring is filled in an inner cavity of the limiting sleeve, the torsion spring is wound on the steel wire rope, an adjusting disc is installed at the bottom of the limiting sleeve, the top end of the steel wire rope is installed at the top of the inner cavity of the limiting sleeve, and the bottom end of the steel wire rope is connected with the adjusting disc.

As a further scheme of the invention: the buffer device is characterized in that a balancing weight is installed on the bottom plane of the buffer cavity, a limiting sleeve is installed on a top plate of the buffer cavity, a fixing seat is installed on the bottom plane of the buffer cavity, a limiting sleeve is installed on the upper plane of the buffer cavity, a telescopic rod is installed on the fixing seat, the telescopic rod is arranged in the limiting sleeve in a penetrating mode, a buffer spring is wound on the telescopic rod, one end of the buffer spring is fixed on the limiting sleeve, and the other end of the buffer spring is fixed on the fixing seat.

As a further scheme of the invention: and the bottom of the fixed seat is provided with a shock pad.

As a still further scheme of the invention: be connected with bent type pole between the fixing base at both ends about, the last plane fixed connection of vertical pole and cushion chamber is passed through on the top of bent type pole, install extrusion spring on the bent type pole, extrusion spring extrudees between the fixing base.

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

the twisting spring can be twisted through the adjusting plate, and the steel wire rope is extruded by deformation acting force generated by the twisting of the spring, so that the steel wire rope is kept in a tightening state, and the steel wire rope is kept in a vertical state all the time.

Driving the movable frame to expand outwards through screw transmission, so as to drive the pulley to be mounted with a rail in the inner cavity of the elevator shaft in a wedged manner, and keeping the left and right limiting during the operation of the elevator cage; this application is through the screw drive to the adjustable shelf expansion distance change to can satisfy the demand of the elevartor shaft of unidimensional not.

And thirdly, the bottom of the elevator cage buffers the acting force of personnel in the inner cavity of the elevator through a spring buffer mechanism, so that the damping effect is achieved, and the stability of the elevator cage is further kept. Still through the design of bent type pole structure, with the vertical effort reposition of redundant personnel to the level to the effort of part, rethread extrusion spring mechanism cushions the level to controlling the power, simultaneously because the elevator is to being in limit state about to also it is less to the stability influence of elevator, and then reach the effect that three-dimensional power of unloading subtracts the power.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the connecting socket of the present invention.

FIG. 3 is a schematic view of the leveling device of the present invention.

FIG. 4 is a schematic view of a buffer chamber according to the present invention.

Fig. 5 is a schematic view showing the top view connection of the torsion spring and the wire rope according to the present invention.

In the figure: 1-elevator cage, 2-connecting seat, 21-outer shell, 22-steel wire rope, 23-first fixed seat, 24-fixed pulley, 25-second fixed seat, 26-direction-changing wheel, 27-limiting sleeve, 28-torsion spring, 29-adjusting disk, 3-leveling device, 31-transmission frame, 32-fixed plate, 33-transmission screw, 34-transmission sleeve, 35-transmission connecting rod, 36-telescopic sleeve rod, 37-limiting groove, 38-limiting block, 41-movable frame, 42-fixed seat, 43-wheel seat, 44-pulley, 45-locking sleeve, 5-buffer cavity, 51-counterweight block, 52-limiting sleeve, 53-fixed seat, 54-telescopic rod, 55-buffer spring, 55-steel wire rope, 56-shock pad, 57-curved rod, 58-compression spring.

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, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

The first embodiment is as follows:

referring to fig. 1, 2 and 5, an auxiliary operating mechanism for ensuring stable lifting of an elevator comprises an elevator car 1, a connecting base 2 is mounted on the top of the elevator car 1, leveling devices 3 are mounted on both left and right sides of the elevator car 1, a buffer chamber 5 is disposed at the bottom of the elevator car 1, two connecting bases 2 are disposed and arranged in a left-right mirror image arrangement with the center line of the elevator car 1 as an axis, a steel wire rope 22 is externally connected to the connecting base 2, a first fixing base 23 and a second fixing base 25 are respectively mounted on the connecting base 2, a fixed pulley 24 and a direction-changing wheel 26 are respectively mounted on the first fixing base 23 and the second fixing base 25, the steel wire rope 22 vertically passes through the fixed pulley 24 downwards and is then diverted by the direction-changing wheel 26 to be vertically upwards pulled, a limiting sleeve 27 is mounted on the top of the connecting base 2, the steel wire rope 22 passes through, the inner cavity of the limiting sleeve 27 is filled with a torsion spring 28, the torsion spring 28 is wound on the steel wire rope 22, an adjusting disc 29 is installed at the bottom of the limiting sleeve 27, the top end of the steel wire rope 22 is installed at the top of the inner cavity of the limiting sleeve 27, and the bottom end of the steel wire rope 22 is connected with the adjusting disc 29.

The elevator car 1 is externally connected with a starting device for suspension through a steel wire rope 22, the steel wire rope 22 vertically penetrates through a fixed pulley 24 downwards and is then turned by a turning wheel 26 to be vertically and upwards pulled, so that the effect of stable steering is achieved, a limiting sleeve 27 is arranged at the suspension end of the steel wire rope, a torsion spring 28 in the inner cavity of the limiting sleeve 27 is wound on the surface of the steel wire rope 22, the steel wire rope 22 is extruded by deformation acting force generated by the torsion of the spring, the steel wire rope 22 is kept in a tightened state, the torsion spring 28 can be screwed through an adjusting disc 29, the deformation condition of the torsion spring 28 is adjusted, and the tightness of the steel wire rope 22 is adjusted.

Referring to fig. 1 and 3, the leveling devices 3 on the left and right sides are installed on the left and right side walls of the elevator cage 1 in a mirror image manner, each leveling device 3 includes a transmission frame 31 and a movable frame 41, the upper and lower ends of the transmission frame 31 are both provided with a fixed plate 32, a transmission screw 33 is inserted between the fixed plates 32 at the upper and lower ends, the transmission screw 33 is a bidirectional threaded rod, the directions of surface threads of the left and right sections of the transmission screw 33 are opposite, the left and right sections of the transmission screw 33 are both provided with transmission sleeves 34, the outer side wall of the movable frame 41 is provided with a fixed seat 42, the transmission sleeves 34 are connected with the fixed seat 42 through transmission connecting rods 35, the outer side wall of the movable frame 41 is provided with a plurality of wheel seats 43, and the wheel. And a locking sleeve 45 is arranged between the wheel seat 43 and the movable frame 41 for fixed installation.

The leveling device 3 is used for keeping the stability of the elevator cage 1 in the left-right direction, a driving motor is installed at the bottom of the transmission frame 31, and the transmission screw 33 is connected with a motor shaft of the driving motor; during installation, the driving motor drives the transmission screw 33 to move, and as the transmission screw 33 is a bidirectional threaded rod, the transmission sleeve 34 moves respectively towards the upper side and the lower side along the transmission screw 33, and further supports the movable frame 41 to move outwards through the transmission connecting rod 35, so that the pulley 44 is embedded into a track of an inner cavity of an elevator shaft; the leveling device 3 which is arranged in a mirror image mode is arranged, the movable frame 41 is driven to expand outwards through thread transmission, and therefore the pulley 44 is driven to be installed in a wedged mode with a rail of an inner cavity of an elevator shaft, and left-right limiting of an elevator cage in operation is kept; this application is through screw drive to the expansion distance of adjustable shelf 41 change to can satisfy the demand of the elevartor shaft of not unidimensional.

Be provided with spacing groove 37 on the inside wall of driving frame 31, driving sleeve 34 is connected with stopper 38 through the connecting block, stopper 38 gomphosis is in spacing groove 37. The device has the effect of limiting the movement of the transmission sleeve 34 and keeps the stability of the transmission sleeve during operation. The upper and lower ends of the transmission frame 31 and the movable frame 41 are both provided with telescopic loop bars 36 for connection, thereby ensuring that the movable frame 41 is horizontally unfolded.

Example two:

referring to fig. 1 and fig. 4, the present embodiment is further optimized as an embodiment, on the basis of which a counterweight 51 is installed on the bottom plane of the buffer chamber 5, and the counterweight 51 is configured as a standard for the elevator car 1, so as to ensure that the center of gravity of the elevator car 1 is located at the bottom.

Install stop collar 52 on the roof of cushion chamber 5, install fixing base 53 on the basal plane of cushion chamber 5, stop collar 52 is installed on the last plane of cushion chamber 5, install telescopic link 54 on fixing base 53, telescopic link 54 wears to establish in stop collar 52, the last winding of telescopic link 54 has buffer spring 55, buffer spring 55's one end is fixed on stop collar 52, buffer spring 55's the other end is fixed on fixing base 53. Through spring buffer gear, cushion elevator inner chamber personnel's effort, play the absorbing effect, further keep its stability. The bottom of fixing base 53 is provided with shock pad 56, shock pad 56 further plays the effect of shock attenuation buffering.

Be connected with bent type pole 57 between the fixing base 53 at left and right ends, the last plane fixed connection of vertical pole 56 and cushion chamber 5 is passed through on the top of bent type pole 57, install extrusion spring 58 on the bent type pole 57, extrusion spring 58 extrudees between fixing base 53. Through the design of bent type pole structure, with partial vertical to effort reposition of redundant personnel to the level to the effort, rethread extrusion spring 58 mechanism cushions the level to controlling the power, simultaneously because the elevator is to being in spacing state about to also there is less to the stability influence of elevator, and then reaches the effect that three-dimensional power of unloading subtracts the power.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An operation auxiliary mechanism for ensuring stable lifting of an elevator comprises an elevator cage (1), wherein a connecting seat (2) is installed at the top of the elevator cage (1), leveling devices (3) are installed on the left side and the right side of the elevator cage (1), a buffer cavity (5) is arranged at the bottom of the elevator cage (1), two connecting seats (2) are arranged and are arranged in a left-right mirror image mode by taking the center line of the elevator cage (1) as an axis, a steel wire rope (22) is externally connected to the connecting seats (2), a first fixing seat (23) and a second fixing seat (25) are respectively installed on the connecting seats (2), a fixed pulley (24) and a turning wheel (26) are respectively installed on the first fixing seat (23) and the second fixing seat (25), the steel wire rope (22) vertically downwards penetrates through the fixed pulley (24) and is turned by the turning wheel (26) to be vertically upwards pulled, it is characterized in that the leveling devices (3) at the left and right sides are arranged on the left and right side walls of the elevator cage (1) in a mirror image manner, the leveling device (3) comprises a transmission frame (31) and a movable frame (41), the upper end and the lower end of the transmission frame (31) are both provided with a fixed plate (32), a transmission screw (33) is arranged between the fixed plates (32) at the upper end and the lower end in a penetrating way, the transmission screw rod (33) is a bidirectional threaded rod, the directions of surface threads of the left section and the right section of the transmission screw rod are opposite, the left section and the right section of the transmission screw rod (33) are both provided with transmission sleeves (34), a fixed seat (42) is arranged on the outer side wall of the movable frame (41), a transmission connecting rod (35) is arranged between the transmission sleeve (34) and the fixed seat (42) to be connected, a plurality of wheel seats (43) are arranged on the outer side wall of the movable frame (41), and pulleys (44) are arranged on the wheel seats (43).

2. The running assistance mechanism for ensuring the stable lifting of the elevator according to claim 1, characterized in that a locking sleeve (45) is fixedly arranged between the wheel seat (43) and the movable frame (41).

3. The auxiliary operating mechanism for ensuring stable lifting of an elevator according to claim 1, wherein the inner side wall of the transmission frame (31) is provided with a limiting groove (37), the transmission sleeve (34) is connected with a limiting block (38) through a connecting block, and the limiting block (38) is embedded in the limiting groove (37).

4. The auxiliary mechanism for ensuring the stable lifting of the elevator according to claim 1, wherein the upper and lower ends of the transmission frame (31) and the movable frame (41) are connected by a telescopic loop bar (36).

5. The auxiliary operating mechanism for ensuring the stable lifting of the elevator as claimed in any one of claims 1 to 4, wherein a stop collar (27) is installed at the top of the connecting base (2), the steel cable (22) passes through the stop collar (27), a torsion spring (28) is filled in the inner cavity of the stop collar (27), the torsion spring (28) is wound on the steel cable (22), an adjusting plate (29) is installed at the bottom of the stop collar (27), the top end of the steel cable (22) is installed at the top of the inner cavity of the stop collar (27), and the bottom end of the steel cable (22) is connected with the adjusting plate (29).

6. The operation assisting mechanism for ensuring the stable lifting of the elevator according to any one of claims 1-4, wherein a balancing weight (51) is installed on the bottom plane of the buffer cavity (5), a limiting sleeve (52) is installed on the top plate of the buffer cavity (5), a fixing seat (53) is installed on the bottom plane of the buffer cavity (5), a limiting sleeve (52) is installed on the upper plane of the buffer cavity (5), an expansion rod (54) is installed on the fixing seat (53), the expansion rod (54) is arranged in the limiting sleeve (52) in a penetrating manner, a buffer spring (55) is wound on the expansion rod (54), one end of the buffer spring (55) is fixed on the limiting sleeve (52), and the other end of the buffer spring (55) is fixed on the fixing seat (53).

7. The mechanism for assisting the operation of ensuring the stable lifting of an elevator according to claim 6, wherein the bottom of the fixed base (53) is provided with a shock-absorbing pad (56).

8. The auxiliary operating mechanism for ensuring the stable lifting of the elevator according to claim 6, wherein a curved rod (57) is connected between the fixed seats (53) at the left and right ends, the top end of the curved rod (57) is fixedly connected with the upper plane of the buffer cavity (5) through a vertical rod (56), the curved rod (57) is provided with an extrusion spring (58), and the extrusion spring (58) is extruded between the fixed seats (53).