CN218931387U

CN218931387U - Knapsack ladder gyro wheel guide shoe

Info

Publication number: CN218931387U
Application number: CN202222855166.4U
Authority: CN
Inventors: 王利; 张建伟
Original assignee: Hangzhou Xo Lift Co Ltd
Current assignee: Hangzhou Xo Lift Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-28
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a knapsack elevator roller guide shoe, which aims to solve the defects that the conventional knapsack elevator rolling guide shoe roller is large in stress and short in service life, and a lift car is easy to incline due to serious deformation in the running process of the roller. The elevator car guide rail comprises a large base, a sliding block and a roller assembly, wherein the sliding block is arranged on the large base, the roller assembly is rotatably arranged on the large base, and the sliding block and the roller assembly are positioned on two sides of an elevator car guide rail surface; the roller assembly comprises a side wheel large bottom plate and a main rotating shaft, and the side wheel large bottom plate is rotationally connected with the large bottom plate through the main rotating shaft; the side wheel assemblies comprise small bottom plates and a plurality of rollers arranged on the small bottom plates, the side wheel assemblies are rotatably arranged on large bottom plates of the side wheels on two sides of the main rotating shaft, and the small bottom plates are fixed on the large bottom plates through the main rotating shaft and can rotate along with the main rotating shaft along with the rollers.

Description

Knapsack ladder gyro wheel guide shoe

Technical Field

The utility model relates to the technical field of elevators, in particular to a roller guide shoe of a knapsack type elevator.

Background

The knapsack type elevator has unique advantages compared with the traditional elevator, but due to the fact that the car is large in unbalanced load force and the special of the car structure, when the conventional rolling guide shoes are adopted, the single-side rollers can bear large positive pressure, the stressed rollers are easy to cause the problems of short service life and serious abrasion and damage due to large load, frequent maintenance and replacement are needed, or the guide shoes are seriously deformed, so that the car is severely inclined, the running stability of the elevator is greatly reduced, and the development of the knapsack type elevator is restricted. In order to solve the problem, the proposal of arranging two rollers at one side of the stress is adopted in the market at present, so that the stress of the original rollers can be reduced by half, but the stress of the guide shoe rollers of the non-knapsack elevator is much larger than that of the guide shoe rollers of the non-knapsack elevator, and the requirement on the stress of the guide shoe rollers is higher. Therefore, the single-side roller stress of the conventional roller guide shoe is further greatly reduced, and the backpack type elevator rolling guide shoe with more reasonable stress and longer service life is designed.

Disclosure of Invention

The utility model mainly overcomes the defects that the rolling guide shoe roller of the existing knapsack elevator is large in stress and short in service life, and the car is easy to incline due to serious deformation in the running process of the roller.

In order to solve the technical problems, the utility model adopts the following technical scheme: the backpack ladder roller guide shoe comprises a large base, a sliding block and roller assemblies, wherein the sliding block is arranged on the large base, the roller assemblies are rotatably arranged on the large base, and the sliding block and the roller assemblies are positioned on two sides of a guide surface of an elevator car; the roller assembly comprises a side wheel large bottom plate and a main rotating shaft, and the side wheel large bottom plate is rotationally connected with the large bottom plate through the main rotating shaft; the side wheel assemblies comprise small bottom plates and a plurality of rollers arranged on the small bottom plates, the side wheel assemblies are rotatably arranged on large bottom plates of the side wheels on two sides of the main rotating shaft, and the small bottom plates are fixed on the large bottom plates through the main rotating shaft and can rotate along with the main rotating shaft along with the rollers.

According to the elevator, the sliding blocks and the side wheel assemblies are respectively positioned at two sides of the guide surface of the elevator car, the side wheel assemblies are always clung to the guide rail in the running process of the elevator and are responsible for guiding the elevator car in the running process, the sliding blocks can limit the top surface gap and the side surface gap between the elevator car and the guide rail, and as the side wheel assemblies and the side wheel large bottom plates can freely rotate, the rollers on all the side wheel assemblies can be guaranteed to be clung to the guide rail of the elevator, and meanwhile, the rollers are guaranteed to be stressed uniformly, so that the force born by a single roller can be obviously reduced, the service life of the roller is prolonged, the structure is simple and reasonable, and the manufacturing cost is low.

Preferably, the side wheel assemblies are divided into two groups, and are symmetrically arranged on the side wheel large bottom plates at two sides of the main rotating shaft. The structural design can lead the stress of the roller assemblies to be evenly distributed on the side wheel assemblies on two sides.

Preferably, the side wheel assembly further comprises a secondary rotating shaft arranged on the small bottom plate, and the small bottom plate is connected to the side wheel large bottom plate through the secondary rotating shaft. This structural design, the little bottom plate of being convenient for rotates the regulation.

Preferably, the side wheel assembly is provided with two rollers, the rollers are rotatably arranged on the small bottom plates at two sides of the auxiliary rotating shaft, and each roller can rotate along with the wheel shaft of the roller. This structural design, the gyro wheel on the little bottom plate of side wheel subassembly of being convenient for leads to adjust.

Preferably, the secondary rotating shaft centers on the two sets of side wheel assemblies are equidistant from the primary rotating shaft center on the side wheel bedplate. The two sets of side wheel assemblies are respectively arranged as a first side wheel assembly and a second side wheel assembly, the distances between the centers of the auxiliary rotating shafts of the first side wheel assembly and the second side wheel assembly and the center of the main rotating shaft of the side wheel large bottom plate are equal, and the distances between the centers of the auxiliary rotating shafts of the first side wheel assembly and the second side wheel assembly and the center of the main rotating shaft of the side wheel large bottom plate are L2.

Preferably, the roller self-axle centers on the side wheel assemblies are equidistant from the center of the secondary rotation axis. The distance between the wheel shaft centers of the two rollers on the side wheel assembly and the center of the auxiliary rotating shaft of the side wheel assembly is equal, and the distance is L1, and the structural design can lead the stress on the side wheel assembly to be evenly distributed on the two rollers, so that the stress of the rollers is reduced by half on the existing basis, and the stress of the single roller is small and even.

Preferably, the sliding block is of a T-shaped structure, the sliding block comprises a fixed section and a guide section arranged on the fixed section, and guide inclined planes are obliquely arranged at two ends of the guide section close to one side of the roller assembly. This structural design is convenient for the slider to realize the auxiliary guide to car guide surface.

Preferably, the slider is fixedly connected with the large base by a fixing section on the slider through a bolt fastener. The fixed installation of the sliding block is convenient.

Compared with the prior art, the utility model has the beneficial effects that: (1) The guide shoe main stress surface is provided with a plurality of rollers, so that the stress of a single roller can be obviously reduced, each roller can move when being stressed, and all rollers can be ensured to be clung to the elevator guide rail and are uniformly stressed; (2) The guide shoe has simple and reasonable structure, small stress and uniform stress of a single roller, can obviously prolong the service life, and has high economic cost performance.

Drawings

FIG. 1 is a front view of a backpack ladder roller guide shoe of the present utility model;

FIG. 2 is a side view of a backpack ladder roller guide shoe of the present utility model;

FIG. 3 is a three-dimensional schematic view of a backpack ladder roller guide shoe of the present utility model;

in the figure: a large base 1; a slider 2; a fixed section 2a; a guide section 2b; a bolt fastener 3; a side wheel large bottom plate 4; a main rotation shaft 5; a small bottom plate 6; a sub-rotation shaft 7; a roller 8; an axle 9; a first side wheel assembly 10; a second side wheel assembly 11; a guide slope 12; a guide rail 100.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following further describes the technical scheme of the utility model in detail through specific embodiments and with reference to the accompanying drawings:

example 1:

the embodiment is an elevator rolling guide shoe, referring to fig. 1, 2 and 3, comprising a large base 1, a sliding block 2 and a roller assembly, wherein the sliding block 2 is fixed on the large base 1 through a bolt fastener 3; the roller assembly comprises a side wheel large bottom plate 4, a main rotating shaft 5 and two groups of side wheel assemblies, and the side wheel large bottom plate 4 is rotationally connected with the large bottom plate 1 through the main rotating shaft 5; the side wheel assembly comprises a small bottom plate 6, a secondary rotating shaft 7 and two rollers 8, wherein the small bottom plate 6 is rotationally connected with the side wheel large bottom plate 4 through the secondary rotating shaft 7, the rollers 8 are rotationally arranged on the small bottom plates 6 on two sides of the secondary rotating shaft 7, and each roller 8 can rotate along with a wheel shaft 9.

The two groups of side wheel assemblies are respectively composed of a first side wheel assembly 10 and a second side wheel assembly 11 which are identical in structure, the first side wheel assembly 10 and the second side wheel assembly 11 are fixed at two ends of the side wheel large bottom plate 4 through the auxiliary rotating shaft 7, and when the first side wheel assembly 10 and the second side wheel assembly 11 are stressed differently, the side wheel large bottom plate 4 can rotate relative to the large base 1, so that the stress of the two side wheel assemblies is identical. The slider 2 can restrict the sway of the elevator car, ensuring that the elevator can run smoothly between the guide rails 100. When the guide shoe works, the rollers 8 roll closely to the elevator guide rail 100, and when the two rollers 8 on the first side wheel assembly 10 are stressed differently, the small bottom plate 6 can rotate relative to the large bottom plate 4 of the side wheel, so that the stress of the two rollers 8 is ensured to be identical. Meanwhile, since the second side wheel assembly 11 is identical in structure to the first side wheel assembly 10.

Referring to fig. 1 and 2, the sliding block 2 is in a T-shaped structure, the sliding block 2 comprises a fixed section 2a and a guide section 2b arranged on the fixed section 2a, two ends of the guide section close to one side of the roller assembly are obliquely provided with guide inclined planes 12, and the fixed section 2a on the sliding block 2 is fixedly connected with the large base 1 through a bolt fastener 3.

Referring to fig. 1, the center of the secondary rotation shaft 7 of the first side wheel assembly 10 and the secondary side wheel assembly 11 are equally spaced from the center of the primary rotation shaft 5 of the side wheel bedplate 4 by L2. The distances between the center of the wheel shafts of the two rollers 8 of the first side wheel assembly 10 and the center of the auxiliary rotating shaft 7 of the side wheel assembly are equal to L1, and the distances between the center of the wheel shafts 9 of the two rollers 8 of the second side wheel assembly 11 and the center of the auxiliary rotating shaft 7 of the side wheel assembly are equal to L1; namely 2 L1=L2, the four rollers 8 with equal force arms are arranged on the main bearing surface of the guide shoe, so that the bearing force of a single roller 8 can be obviously reduced, each roller 8 can move when being stressed, and all rollers 8 can be ensured to be clung to the elevator guide rail 100 and are uniformly stressed; the guide shoe has simple and reasonable structure, small stress and uniform stress of a single roller, can obviously prolong the service life, and has high economic cost performance.

The working flow is as follows:

the rollers roll against the elevator guide rail.

When the elevator is in operation, the sliding blocks 2 and the side wheel assemblies are respectively positioned at two sides of the surface of the elevator car guide rail 100, the side wheel assemblies are always clung to the guide rail 100 and are responsible for guiding the elevator car in the operation process, the sliding blocks 2 can limit the top surface clearance and the side surface clearance between the elevator car and the guide rail 199, as the side wheel assemblies and the side wheel large bottom plate 4 can freely rotate, the rollers 8 on all the side wheel assemblies can be ensured to be clung to the elevator guide rail 100 to roll, when the stress of the two rollers 8 on the first side wheel assembly 100 is different, the small bottom plate 6 can rotate relative to the side wheel large bottom plate 4, and the stress of the two rollers 8 is ensured to be the same; and because the second side wheel assembly 11 and the first side wheel 10 assembly have the same structure, the stress of the four rollers 8 can be ensured to be even at the same time, the stress born by a single roller 8 can be obviously reduced, the service life of the roller 8 is prolonged, the structure is simple and reasonable, and the manufacturing cost is low.

The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims

1. The backpack ladder roller guide shoe comprises a large base, a sliding block and roller assemblies, and is characterized in that the sliding block is arranged on the large base, the roller assemblies are rotatably arranged on the large base, and the sliding block and the roller assemblies are positioned on two sides of a guide surface of an elevator car; the roller assembly comprises a side wheel large bottom plate and a main rotating shaft, and the side wheel large bottom plate is rotationally connected with the large bottom plate through the main rotating shaft; the side wheel assemblies comprise small bottom plates and a plurality of rollers arranged on the small bottom plates, the side wheel assemblies are rotatably arranged on large bottom plates of the side wheels on two sides of the main rotating shaft, and the small bottom plates are fixed on the large bottom plates through the main rotating shaft and can rotate along with the main rotating shaft along with the rollers.

2. The backpack ladder roller guide shoe of claim 1 wherein the side wheel assemblies are arranged in two groups symmetrically on the side wheel large bottom plate on both sides of the main rotation axis.

3. The backpack ladder roller guide shoe of claim 1 or 2 wherein the side wheel assembly further comprises a secondary rotating shaft disposed on a small bottom plate, the small bottom plate being connected to the side wheel large bottom plate by the secondary rotating shaft.

4. A backpack ladder roller guide shoe according to claim 3, wherein the side wheel assembly has two rollers rotatably mounted on small bottom plates on opposite sides of the secondary rotation axis, each roller being rotatable with its own axle.

5. The backpack ladder roller guide shoe of claim 4 wherein the secondary axis of rotation on the two sets of side wheel assemblies is equidistant from the primary axis of rotation on the side wheel bedplate.

6. The backpack ladder roller guide shoe of claim 5 wherein the roller self axle center on the side wheel assembly is equidistant from the center of the secondary rotation axis.

7. The backpack ladder roller guide shoe according to claim 1 or 2 or 4 or 5 or 6, wherein the sliding block is of a T-shaped structure, the sliding block comprises a fixed section and a guide section arranged on the fixed section, and guide inclined planes are obliquely arranged at two ends of the guide section close to one side of the roller assembly.

8. The backpack ladder roller guide shoe of claim 7 wherein the slider has a fixed section fixedly attached to the large base by a bolt fastener.