CN109319629B

CN109319629B - Roller guide shoe

Info

Publication number: CN109319629B
Application number: CN201811386351.5A
Authority: CN
Inventors: 金锋; 秦锦华; 朱小飞; 范伟; 金桂勇
Original assignee: Nantong Zhongli Technology Co ltd
Current assignee: Nantong Zhongli Technology Co.,Ltd.
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2021-03-02
Anticipated expiration: 2038-11-20
Also published as: CN109319629A

Abstract

The application discloses boots are led to gyro wheel, including first gyro wheel, second gyro wheel and third gyro wheel, first gyro wheel and second gyro wheel set up relatively, be provided with the clearance between arbitrary two in first gyro wheel, second gyro wheel, the third gyro wheel, distance is fixed on the fixing base adjustably between first gyro wheel and the second gyro wheel, the wearing and tearing of leading boots and guide rail have been reduced, the life and the reliability of leading boots and guide rail have been improved, can solve current sliding fit between leading boots and the guide rail, the problem of leading boots and guide rail is worn and torn easily.

Description

Roller guide shoe

Technical Field

The invention relates to the field of elevators in general, and in particular relates to a roller guide shoe.

Background

Four sets of guide shoes are arranged on each elevator car and are respectively arranged on the two sides of the upper beam and below the safety tong seats at the bottom of the elevator car, and four sets of counterweight guide shoes are arranged at the bottom and the upper part of the counterweight beam. The guide shoes fixed on the car can reciprocate along the fixed guide rails arranged on the wall body of the hoistway of the building to prevent the car from deflecting or swinging in the operation.

The existing guide shoe is generally designed into a sliding block, the sliding block slides on a fixed guide rail, and the sliding block and the guide rail are easily abraded.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a roller guide shoe that has low wear and long service life.

In a first aspect, the roller guide shoe of the present invention includes a first roller, a second roller, and a third roller, the first roller and the second roller are disposed opposite to each other, a gap is provided between any two of the first roller, the second roller, and the third roller, and a distance between the first roller and the second roller is adjustably fixed to the fixing base.

According to the technical scheme that this application embodiment provided, through setting up first gyro wheel, second gyro wheel and third gyro wheel, at elevator operation in-process, first gyro wheel, second gyro wheel and third gyro wheel roll on the guide rail, reduced the friction between guide shoe and the guide rail, reduced the wearing and tearing of guide shoe and guide rail, improved the life and the reliability of guide shoe and guide rail, can solve current guide shoe and guide rail between sliding fit, the problem of guide shoe and guide rail is worn and torn easily.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a roller guide shoe according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a roller guide shoe according to an embodiment of the present invention;

FIG. 3 is a schematic view of a roller guide shoe according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a roller guide shoe according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 4, the roller guide shoe of the present invention includes a first roller 10, a second roller 20, and a third roller 30, wherein the first roller 10 and the second roller 20 are disposed opposite to each other, a gap is disposed between any two of the first roller 10, the second roller 20, and the third roller 30, and a distance between the first roller 10 and the second roller 20 is adjustably fixed on a fixing base 50.

In the embodiment of the invention, the first roller, the second roller and the third roller roll on the guide rail during the operation of the elevator, so that the friction between the guide shoe and the guide rail is reduced, the abrasion of the guide shoe and the guide rail is reduced, and the service life and the reliability of the guide shoe and the guide rail are improved. Meanwhile, the roller guide shoe disclosed by the invention is simple in structure, convenient to assemble, low in production cost and easy to produce in mass production. When the roller guide shoe is installed, the distance between the first roller and the second roller is adjusted, so that the guide rail guide shoe can adapt to guide rails of different specifications, and the universality is high.

Further, at least one of the first roller 10 and the second roller 20 is eccentrically connected to the fixing base 50.

In the embodiment of the invention, at least one of the first roller and the second roller is eccentrically connected with the fixed seat, and the eccentric arrangement enables the distance between the first roller and the second roller to be adjusted according to the field installation condition, so that the universality of the roller guide shoe is improved, the field installation is facilitated, and the installation difficulty is reduced.

Further, at least one of the first roller 10 and the second roller 20 is eccentrically connected to the fixing base 50 through the connecting member 40.

In the embodiment of the invention, at least one of the first roller and the second roller is eccentrically connected with the fixed seat through the connecting piece, and the connecting piece is eccentrically arranged, so that the distance between the first roller and the second roller can be adjusted according to the field installation condition, the universality of the roller guide shoe is improved, the field installation is facilitated, and the installation difficulty is reduced.

Further, the first screw rod 44 is included, the connecting piece 40 is eccentrically provided with the connecting hole 41, the fixed seat 50 is provided with a through hole 51, and the first screw rod 44 passes through the through hole 51 to be detachably and fixedly connected with the connecting hole 41.

In the embodiment of the invention, the first screw rod penetrates through the through hole to be detachably and fixedly connected with the connecting hole, the detachable and fixed connecting mode can be but not only a screw joint, the connecting piece is eccentrically provided with the connecting hole, and the connecting piece is clamped with the first roller or the second roller. Because first screw rod and connecting hole fixed connection, and the connecting hole is eccentric settings on the connecting piece, when the distance between first gyro wheel and the second gyro wheel needs to be adjusted, can rotate first screw rod, make fixing base and connecting piece loosen the bearing of first gyro wheel or second gyro wheel, rotate the connecting piece, the connecting piece rotates round first screw rod, when adjusting the distance between first gyro wheel and the second gyro wheel, rotating first screw rod, make fixing base and connecting piece sticis the bearing of first gyro wheel or second gyro wheel, fix the position of first gyro wheel or second gyro wheel, the gyro wheel is led the guide rail that the boots can use different specifications, the commonality that the gyro wheel was led the boots has been improved. Of course, the first roller and the second roller can be eccentrically connected with the fixed seat through the connecting piece, and the first roller and the second roller are rollers with the same specification. The first roller or the second roller is clamped with the connecting piece through a bearing.

Further, the connecting member 40 is provided with a clamping portion 42 and a limiting portion 43, and the clamping portion 42 is arranged between the limiting portion 43 and the fixing seat 50.

In the embodiment of the invention, the clamping part is clamped with the bearing of the first roller or the second roller, the limiting part can prevent the bearing from being separated from the connecting piece, and the limiting part is contacted with the side surface of the bearing of the first roller or the second roller.

Further, the fixing seat 50 is provided with a protrusion 52, the through hole 51 is provided on the protrusion 52, and the clamping portion 42 is provided between the protrusion 52 and the limiting portion 43.

In the embodiment of the invention, the protrusion is contacted with the side surface of the bearing of the first roller or the second roller, the protrusion and the limiting part are respectively contacted with the two sides of the bearing, when the first screw and the connecting piece are in screw joint, the first screw is rotated to control the protrusion and the limiting part to press or loosen the bearing, when the distance between the first roller and the second roller needs to be adjusted, the first screw is rotated to control the protrusion and the limiting part to loosen the bearing, and then the connecting piece is rotated to change the distance between the first roller and the second roller. After the distance between first gyro wheel of completion adjustment and the second gyro wheel, rotate the protruding and spacing portion clamping bearing of first screw rod control to the position of fixed first gyro wheel and second gyro wheel, simple structure, the on-the-spot installation and the adjustment of being convenient for, simultaneously, the arch can prevent first gyro wheel or second gyro wheel and fixing base contact, has improved the life of first gyro wheel and second gyro wheel.

Further, a gap is provided between the protrusion 52 and the snap-in portion 42.

In the embodiment of the invention, the gap is arranged between the bulge and the clamping part, so that the bulge and the clamping part can clamp the bearing of the first roller or the second roller, the connection reliability is improved, and the reliability of the roller guide shoe is improved.

Further, the fixing base 50 is rotatably connected with a fixing frame 60, the fixing frame 60 is rotatably connected with the third roller 30, the fixing frame 60 is fixedly connected with a fixing plate 61, the fixing plate 61 is connected with a shock pad 62, and the shock pad 62 is arranged on one side of the fixing plate 61, which faces away from the third roller 30.

In the embodiment of the invention, slight shaking may occur in the running process of the elevator, when the roller guide shoe and the guide rail generate relative motion along the direction of the third roller, the third roller is extruded to drive the fixing frame to rotate, at the moment, the shock pad is in contact with the guide rail fixing seat and is extruded and deformed to play a certain buffering role, so that the third roller and the guide rail can be prevented from generating rigid contact, the service life of the roller guide shoe is prolonged, and the reliability of the roller guide shoe is improved. But not only, the fixing plate is vertical to the fixing frame, and the shock pad is parallel to the fixing plate.

Further, the shock pad 62 is fixedly connected with a second screw 63, and the second screw 63 is screwed with the fixing plate 61.

In the embodiment of the invention, the shock pad is fixedly connected with the second screw rod, the second screw rod is in threaded connection with the fixed plate, the distance between the shock pad and the fixed plate can be adjusted according to the actual installation condition, and specifically, the distance between the shock pad and the fixed plate can be adjusted by adjusting the threaded connection position of the second screw rod and the fixed plate. But not only do, the fixed plate is perpendicular with the mount, and shock pad and fixed plate are parallel, and when the shock pad was extruded, the second screw rod can be along length direction atress, and difficult production is out of shape, has improved the life and the reliability of roller guide shoe.

Further, the rotation axis of the first roller 10 is parallel to the rotation axis of the second roller 20, and the plane where the rotation axis of the first roller 10 and the rotation axis of the second roller 20 are located is parallel to the rotation axis of the third roller 30.

In the embodiment of the invention, the rotating shaft of the first roller is parallel to the rotating shaft of the second roller, and the plane where the rotating shaft of the first roller and the rotating shaft of the second roller are located is parallel to the rotating shaft of the third roller, so that when the first roller and the second roller are matched with the guide rail in a rolling manner, the stress of the roller guide shoe is balanced, and the service life and the reliability of the roller guide shoe are improved.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A roller guide shoe is characterized by comprising a first roller, a second roller and a third roller, wherein the first roller and the second roller are oppositely arranged, a gap is arranged between any two of the first roller, the second roller and the third roller, and the distance between the first roller and the second roller is adjustably fixed on a fixed seat;

the first idler wheel and the second idler wheel are connected with the fixing base in an eccentric mode through connecting pieces, the first idler wheel and the second idler wheel are provided with bearings and comprise first screw rods, connecting pieces are eccentrically provided with connecting holes, the fixing base is provided with through holes, the first screw rods penetrate through the through holes and are fixedly connected with the connecting holes in a detachable mode, the connecting pieces are provided with clamping portions and limiting portions, the clamping portions are connected with the bearings in a clamped mode, the fixing base is provided with protrusions, the through holes are arranged on the protrusions, the protrusions and the limiting portions are arranged between the clamping portions, and the protrusions and the limiting portions clamp the bearings.

2. The roller guide shoe of claim 1 wherein a gap is provided between the projection and the snap-fit portion.

3. The roller guide shoe according to claim 1, wherein a fixing bracket is rotatably connected to the fixing base, the fixing bracket is rotatably connected to the third roller, a fixing plate is fixedly connected to the fixing bracket, and a shock pad is connected to the fixing plate and disposed on a side of the fixing plate facing away from the third roller.

4. The roller guide shoe of claim 3 wherein a second threaded rod is fixedly attached to the shock pad, the second threaded rod being in threaded engagement with the retaining plate.

5. The roller guide shoe of claim 1, wherein the axis of rotation of the first roller and the axis of rotation of the second roller are parallel, and wherein the axis of rotation of the first roller and the axis of rotation of the second roller are in a plane parallel to the axis of rotation of the third roller.