CN211945811U

CN211945811U - Roller type elevator guide shoe

Info

Publication number: CN211945811U
Application number: CN202020385244.7U
Authority: CN
Inventors: 莫鋆杰; 沈怡萍; 高维
Original assignee: Civil Elevator Co ltd
Current assignee: Civil Elevator Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-17
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a roller type elevator guide shoe, including the support body that has two grudging posts, install two lateral part gyro wheels and the middle part gyro wheel at the support body, the support body is located two lateral parts and all is provided with the mount pad at the middle part, the mount pad is equipped with the installation arm and is articulated rather than the bottom, the top of installation arm with correspond the grudging post is connected with positioning screw, the middle part of installation arm is rotated and is installed lateral part gyro wheel or middle part gyro wheel, the well upper portion of installation arm runs through and is equipped with damping screw, the damping screw inner is connected at the grudging post that corresponds, the other end with fixed damping spring is established to the cover between the installation arm. The beneficial effects of the utility model reside in that, have comparatively retrench overall structure, it is less to occupy space to and have better stability and security between the guide rail.

Description

Roller type elevator guide shoe

Technical Field

The utility model relates to a boots are led to the elevator, and especially roller type elevator leads boots.

Background

The elevator guide shoe is a nylon block which can slide between an elevator guide rail and a car, the car can be fixed on the guide rail, the car can only move up and down, and the upper part of the guide shoe is also provided with an oil cup, so that the friction force between the shoe liner and the guide rail is reduced. The elevator guide shoe is divided into two types, one type is a shoe liner type elevator guide shoe which is tightly attached to the guide rail by using a soft elastic material, and the other type is a roller type elevator guide shoe which is in sliding fit with the positive end surface and the two side end surfaces of the guide rail by using three rollers.

In the center of the prior art, for example, publication No. CN209651677U discloses an elevator roller guide shoe, which includes a base, a vertical frame mounted on the base, and three sets of rollers, wherein each set of rollers is rotatably connected with one set of vertical plates through an L-shaped plate; the L-shaped plate comprises a transverse plate and a vertical plate, the bottom of the vertical plate is connected with the inner end of the transverse plate, the side part of the roller is rotatably connected with the middle part of the vertical plate through a rotating shaft, and the bottom of the vertical plate is rotatably connected with the vertical plate through a connecting shaft; the top of the vertical plate is provided with a through hole, an adjusting mechanism is arranged in the through hole, and the end part of the adjusting mechanism is connected with the vertical frame; the outer end of the transverse plate is provided with a screw hole, a limiting bolt is screwed in the screw hole, a screw head at the bottom of the limiting bolt is arranged under the transverse plate, and the bottom of the screw head is abutted to the top surface of the base. Although this elevator gyro wheel guide shoe has improved the security and the stability of elevator operation, the space that its L template and riser that are used for installing the gyro wheel occupy is great, and the structure is retrencied inadequately, and installation operation is also comparatively troublesome, is unfavorable for the spatial layout of other peripheral functional unit simultaneously.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a roller type elevator guide shoe has comparatively retrencied overall structure, and it is less to occupy the space to and have better stability and security between the guide rail.

The utility model discloses a realize through following technical scheme.

The utility model provides a roller type elevator guide shoe, includes the support body that has two grudging posts, installs two lateral part gyro wheels and the middle part gyro wheel at the support body, the support body is located two lateral parts and middle part and all is provided with the mount pad, the mount pad is equipped with the installation arm and is articulated rather than the bottom, the top of installation arm with correspond the grudging post is connected with positioning screw, the middle part of installation arm is rotated installation lateral part gyro wheel or middle part gyro wheel, the well upper portion of installation arm is run through and is equipped with damping screw, the inner connection of damping screw is in the grudging post that corresponds, the other end with fixed damping spring is established to the cover between the installation.

The utility model discloses the installation of lateral part gyro wheel and middle part gyro wheel has been realized with the installation arm that articulates at the mount pad for the shared space in support body bottom compares prior art and reduces by a wide margin, makes lateral part gyro wheel and middle part gyro wheel stable with the sliding fit of guide rail through positioning screw, and through damping screw, damping spring have good damping performance.

As a further improvement, the top of installation arm is equipped with the screw thread through-hole, positioning screw passes the installation arm and with through-hole screw-thread fit, positioning screw installs the tight nut in top, and the tight nut in top is hugged closely the outer terminal surface of installation arm. The setting that the tight nut in top hugs closely with the outer terminal surface of installation arm can strengthen the installation stability of installation arm at the location ejector pin.

As a further improvement, adjusting nut is installed to the positioning screw, and adjusting nut hugs closely the tight nut in top can further improve the stability of installation arm at positioning screw.

As a further improvement, the positioning screw is provided with a positioning bracket, the positioning bracket has an inner connecting portion and an outer connecting portion which are passed by the positioning screw, the inner connecting portion the outer connecting portion are respectively attached to the inner end surface of the mounting arm, and the adjusting nut is arranged on the inner end surface of the mounting arm. The top end of the mounting arm, the jacking nut and the adjusting nut can form an integral structure matched with the positioning screw through the positioning bracket.

As a further improvement of the present invention, the inner connecting portion has a threaded through hole, and is screw-fitted to the positioning screw, and the outer connecting portion has a notch and is fitted to the positioning screw. The inner connecting part is used as a connecting structure and is in threaded fit with the positioning screw, so that the positioning screw is reliably and stably installed.

As a further improvement, the middle part of installation arm is provided with the structure of hugging closely that has the breach, lateral part gyro wheel or middle part gyro wheel have the pivot, the pivot by it establishes fixedly to hug closely the structure cover, it is equipped with the fastening screw who passes the breach to hug closely the structure. The installation mode of the rotating shaft can deal with the phenomenon of severe friction between the guide rail and the middle roller and/or the side rollers, and the structural damage of the rotating shaft is reduced.

As a further improvement of the utility model, the top fixed mounting of two grudging posts has the roof, the guide way with guide rail sliding fit is installed to the roof.

As a further improvement of the utility model, the bottom of support body is equipped with two guide holders, the interior terminal surface and the guide rail sliding fit of guide holder.

The guide groove and the guide seat can guide the guide rail, and contact deviation between the guide rail and the roller, caused by direction deflection, is avoided.

As the utility model discloses a further improvement, the guide holder is hollow structure, and its top is equipped with the oil filler point and installs the closing cap, and a plurality of oil outlets have evenly been laid to its interior terminal surface. Besides, the guide seat also has the function of adding lubricating oil to the guide rail, so that an oil cup can be omitted.

The utility model has the advantages that:

(1) the utility model realizes the installation of the side roller and the middle roller by hinging the installation arm with the installation seat and connecting the positioning screw and the damping screw with the vertical frame, compared with the prior art, the structure of the bottom of the frame body is simplified, the space occupied by the bottom of the frame body is greatly reduced, and the whole structure is simplified;

(2) the utility model has the advantages that the top end of the mounting arm is enhanced in the mounting stability of the positioning screw rod by arranging the jacking nut and the adjusting nut on the positioning screw rod, and the phenomenon that the top end of the mounting arm moves along the positioning screw rod is avoided;

(3) the top end of the mounting arm, the jacking nut and the adjusting nut form an integral structure by arranging the positioning bracket, which is equivalent to enlarging the area of the threaded fit between the top end of the mounting arm and the positioning screw rod, thereby obtaining better structural stability;

(4) the utility model can deal with the phenomenon of strong friction between the side roller and the guide rail, avoid the damage of the rotating shaft and improve the stability of operation;

(5) the utility model can play a better guiding role for the guide rail through the guide groove arranged at the top and the guide seat arranged at the bottom;

(6) the utility model discloses a guide holder not only plays the guide effect, can also save the oil cup to guide rail additional lubrication oil.

Drawings

Fig. 1 is a schematic view of a roller elevator guide shoe according to the present invention;

fig. 2 is another schematic view of the roller elevator guide shoe of the present invention;

FIG. 3 is a schematic view of the top end of the mounting arm of the present invention;

fig. 4 is a schematic view of another view angle of the top end of the mounting arm according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the utility model discloses, roller type elevator guide shoe, including support body 1, two lateral part gyro wheels 21 and middle part gyro wheel 22, support body 1 is provided with two vertical grudging posts 11, support body 1 is located two lateral parts and middle parts and all is provided with mount pad 12, mount pad 12 is equipped with installation arm 3 and rather than the bottom is articulated, the top of installation arm 3 with correspond grudging post 11 is connected with positioning screw 4, the middle part of installation arm 3 rotates installation lateral part gyro wheel 21 or middle part gyro wheel 22, the well upper portion of installation arm 3 runs through and is equipped with damping screw 51, damping screw 51 inner is connected at the grudging post 11 that corresponds, the other end with the fixed damping spring 52 is established to the cover between the installation arm 3.

The side rollers 21 and the middle rollers 22 are respectively in sliding fit with the side end face and the positive end face of the guide rail, so that the three mounting arms 3 tend to rotate outwards, and the positioning screws 4 are arranged to fixedly connect the top ends of the mounting arms 3 with the vertical frame 11, so that the side rollers 21 and the middle rollers 22 can be kept in contact with the guide rail. The shock phenomenon occurs during the operation of the elevator, and the shock absorbing spring 52 can push the swing arm to always have the tendency of rotating inwards, so that the shock phenomenon occurring when the side roller 21 and the middle roller 22 work can be buffered. This embodiment has realized the installation of lateral part gyro wheel 21 and middle part gyro wheel 22 with the installation arm 3 that articulates at mount pad 12 for the space that the support body 1 bottom took up compares prior art and reduces by a wide margin, and this kind of structure of simplifying does not save the materials as far as with reduction in production cost, in addition, also is favorable to leading other functional components in boots periphery to have more installation space.

The top end of the mounting arm 3 is provided with a threaded through hole, the positioning screw rod 4 penetrates through the mounting arm 3 and is in threaded fit with the through hole, the positioning screw rod 4 is provided with a tightening nut 41 and an adjusting nut 42, the tightening nut 41 is tightly attached to the outer end face of the mounting arm 3, and the adjusting nut 42 is tightly attached to the tightening nut 41. The top end of the mounting arm 3, the tightening nut 41 and the adjusting nut 42 are sequentially tightly attached to enhance the mounting stability of the mounting arm 3 on the positioning mandril, and reduce the transmission condition of the mounting arm 3 to the outside along the positioning screw rod 4.

The positioning screw 4 is provided with a positioning bracket 43, the positioning bracket 43 has an inner connecting portion 431 and an outer connecting portion 432 through which the positioning screw 4 passes, and the inner connecting portion 431 and the outer connecting portion 432 are respectively closely attached to the inner end surface of the mounting arm 3 and the adjusting nut 42. The top end of the mounting arm 3, the jacking nut 41 and the adjusting nut 42 can form an integral structure in threaded fit with the positioning screw rod 4 through the positioning bracket 43, so that the threaded fit area of the mounting arm 3 and the positioning screw rod 4 is enlarged, and a very firm mounting effect is obtained.

The inner connecting portion 431 has a through hole and is threadedly engaged with the set screw 4, and the outer connecting portion 432 has a notch and is sleeved on the set screw 4. The inner connecting portion 431 is in threaded fit with the positioning screw rod 4 as a connecting structure, and the outer connecting portion 432 is sleeved on the positioning screw rod 4, so that the outer connecting portion can be pushed inwards by a tool at regular intervals, and the clamping degree of the positioning bracket 43 on the mounting arm 3, the jacking nut 41 and the adjusting nut 42 is adjusted.

The middle part of the mounting arm 3 is provided with a holding structure 31 with a notch, the lateral roller 21 or the middle roller 22 is provided with a rotating shaft 2-A, the rotating shaft 2-A is fixedly sleeved by the holding structure 31, and the holding structure 31 is provided with a fastening screw 32 penetrating through the notch. In the running process of the elevator, severe friction between a certain section of the guide rail and the middle roller 22 and/or the side rollers 21 may occur, when the friction occurs, the rotating shaft 2-a may rotate to a certain extent relative to the holding structure 31, if the rigid connection of the rotating shaft 2-a to the mounting arm 3 meets the situation, structural damage may occur, and the fastening screw 32 may adjust the holding degree of the holding structure 31 to the rotating shaft 2-a according to actual situations.

As a further improvement of the utility model, the top fixed mounting of two grudging posts 11 has roof 13, roof 13 install with guide rail sliding fit's guide way 14, the bottom of support body 1 is equipped with two guide holders 15, the interior terminal surface and the guide rail sliding fit of guide holder 15.

The guide groove 14 and the guide seat 15 can guide the guide rail, and avoid contact deviation between the guide rail and the roller due to direction deflection.

The guide holder 15 is a hollow structure, the top end of the guide holder is provided with an oil filling hole and a sealing cover 151, and a plurality of oil outlet holes 152 are uniformly laid on the inner end surface of the guide holder. The guide seat 15 has a function of adding lubricating oil to the guide rail besides a guide function of the guide rail, so that an oil cup can be omitted, the production cost is saved, and the overall structure is simplified.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a roller type elevator guide shoe, includes the support body that has two grudging posts, installs two lateral part gyro wheels and the middle part gyro wheel at the support body, its characterized in that, the support body is located two lateral parts and all is provided with the mount pad in the middle part, the mount pad is equipped with the installation arm and is articulated rather than the bottom, the top of installation arm with correspond the grudging post is connected with positioning screw, the middle part of installation arm is rotated installation lateral part gyro wheel or middle part gyro wheel, the well upper portion of installation arm runs through and is equipped with damping screw, the inner connection of damping screw is in the grudging post that corresponds, the other end with fixed damping spring is established to the cover between the.

2. The roller elevator guide shoe according to claim 1, wherein the mounting arm has a threaded through hole at a top end thereof, the positioning screw passes through the mounting arm and is threadedly engaged with the through hole, the positioning screw is mounted with a puller nut, and the puller nut is tightly attached to an outer end surface of the mounting arm.

3. The roller elevator guide shoe according to claim 2, wherein the positioning screw mounts an adjustment nut and the adjustment nut abuts the jacking nut.

4. The roller elevator guide shoe according to claim 3, wherein the positioning screw is provided with a positioning bracket having an inner connecting portion and an outer connecting portion through which the positioning screw passes, the inner connecting portion and the outer connecting portion being respectively abutted against the inner end surface of the mounting arm and the adjusting nut.

5. The roller elevator guide shoe according to claim 4, wherein the inner attachment portion has a threaded through hole and is threadedly engaged with the set screw, and the outer attachment portion has a notch and is sleeved over the set screw.

6. The roller elevator guide shoe according to claim 1, wherein the mounting arm has a center portion provided with a clasping structure having a notch, and the side roller or the center roller has a pivot that is fixed by the clasping structure, and the clasping structure is provided with a fastening screw that passes through the notch.

7. The roller elevator guide shoe according to claim 1, wherein a top plate is fixedly mounted to the top ends of the two uprights, and the top plate is provided with a guide groove slidably engaged with the guide rail.

8. The roller elevator guide shoe according to claim 1, wherein the bottom of the frame body is provided with two guide seats, the inner end surfaces of the guide seats being in sliding engagement with the guide rails.

9. The roller elevator guide shoe according to claim 8, wherein the guide base is a hollow structure, the top end of the guide base is provided with an oil injection hole and a cover, and the inner end surface of the guide base is uniformly provided with a plurality of oil outlet holes.