CN111761991A

CN111761991A - Heavy-load universal wheel

Info

Publication number: CN111761991A
Application number: CN202010702518.5A
Authority: CN
Inventors: 刘自云
Original assignee: Jiangsu Baocheng Heavy Industry Technology Co ltd
Current assignee: Jiangsu Baocheng Heavy Industry Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-10-13

Abstract

The invention provides a heavy-load universal wheel, wherein a wheel frame is made of high-strength structural steel materials, a wheel shaft is horizontally and fixedly arranged on the wheel frame, the wheels are rotationally connected with the wheel shafts through bearings, the revolving shafts are vertically arranged on the wheel carriers, the inner ring of the plane thrust bearing is connected with the rotating shaft, the outer ring of the plane thrust bearing is fixedly connected with the wheel carrier, the cushion pad is sleeved on the periphery of the rotating shaft, the lower baffle plate of the cushion pad is arranged on the wheel carrier and is positioned at the lower end of the cushion pad, the universal wheel of the invention is different from other universal wheels in that the universal wheel has large carrying capacity, large eccentric distance, buffering function and the like, when multiple wheels are used simultaneously, the advantages of uniform wheel pressure, small steering resistance and the like are ensured, and the AGV is an optimal product for a multi-spool heavy-load AGV.

Description

Heavy-load universal wheel

Technical Field

The invention relates to the technical field of universal wheels, in particular to a heavy-load universal wheel.

Background

The AGV car is a transportation car equipped with an electromagnetic or optical automatic guiding device, capable of traveling along a predetermined guiding path, having safety protection and various transfer functions, and does not require a driver's transportation car in industrial application, and uses a rechargeable battery as its power source. Generally, the traveling route and behavior of the AVG trolley can be controlled by a computer, or the traveling route is established by using an electromagnetic track (electromagnetic path-following system), the electromagnetic track is adhered to the floor, the unmanned carrying vehicle moves and acts by depending on information brought by the electromagnetic track, the AVG trolley needs to use a universal wheel to improve the moving and steering effects of the AVG trolley in the running process, the existing universal wheel has small bearing capacity and eccentricity, the universal wheel does not have a buffering function, so that the AVG trolley shakes in the running process, the wheel is easy to break down due to uneven wheel pressure stress of the universal wheel, and the resistance is overlarge in the running process of the AVG trolley.

Disclosure of Invention

The invention provides a heavy-load universal wheel, which is different from other universal wheels in that the heavy-load universal wheel has the advantages of large carrying capacity, large eccentricity, buffering function and the like, ensures uniform wheel pressure when multiple wheels are used simultaneously, has small steering resistance and the like, and is a preferred product of a multi-spool heavy-load AGV.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a heavy-load universal wheel comprises a wheel carrier, a wheel shaft, a wheel, a rotating shaft, a cushion pad, a lower baffle of the cushion pad, an upper baffle of the cushion pad, a plane thrust bearing and an installation bolt; the wheel carrier is made of high-strength structural steel materials, the wheel shaft is horizontally and fixedly installed on the wheel carrier, the wheel is rotatably connected with the wheel shaft through a bearing, the rotating shaft is vertically installed on the wheel carrier, a cap is arranged at the upper end of the rotating shaft, the cap is fixedly installed at the upper end of the rotating shaft through an installation bolt and a vehicle, the inner ring of the plane thrust bearing is connected with the rotating shaft, the outer ring of the plane thrust bearing is fixedly connected on the wheel carrier, the buffer cushion is sleeved on the periphery of the rotating shaft, the lower baffle of the buffer cushion is installed on the wheel carrier, the lower baffle of the buffer cushion is located at the lower end of the buffer cushion, the upper baffle of the.

Preferably, the axle and shaft are turned and heat treated from steel 45.

Preferably, two sets of wheels are mounted on the axle.

Preferably, the lower end of the rotating shaft is provided with a copper sleeve, and the copper sleeve is rotatably connected with the wheel carrier.

Preferably, the copper sleeve is made of brass, and an internally carved lubricating oil groove is formed in the copper sleeve.

Preferably, the bumper pad is made of high-resilience polyurethane.

Preferably, baffle edge department is provided with annular baffle under the blotter, baffle structure is the same under the blotter with the blotter on the blotter, just baffle and the blotter under the blotter use the blotter as central symmetry distribution.

Preferably, the wheel is made of a hub made of high-strength structural steel with a polyurethane tire wrapped around it.

The invention has the beneficial effects that:

the wheel carrier is made of high-strength structural steel materials, the strength of the wheel carrier is effectively ensured, the wheel carrier is used for mounting a wheel shaft and is connected with a rotating shaft, the wheel shaft and the rotating shaft are turned by No. 45 steel and are subjected to heat treatment, the strength of the wheel shaft and the rotating shaft are effectively ensured, two groups of wheels can be mounted on one group of wheel carrier, the uniform wheel pressure can be effectively ensured, the bearing capacity of the wheels is improved, a lubricating oil groove arranged in a copper sleeve is used for adding lubricating oil, the lubricating effect of the copper sleeve is improved, a buffer cushion is made of high-elasticity polyurethane, the buffering effect on a universal wheel can be effectively improved, the upper baffle plate and the lower baffle plate of the buffer cushion are symmetrically distributed by taking the buffer cushion as the center, and the lower; the universal wheel of the invention is different from other universal wheels in that the universal wheel has large carrying capacity, large eccentricity, buffering function and the like, ensures uniform wheel pressure and small steering resistance when multiple wheels are used simultaneously, and is a preferred product of a multi-spool heavy-load AGV vehicle.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;

in the figure: 1. a wheel carrier; 2. a wheel axle; 3. a wheel; 4. a rotating shaft; 5. a copper sleeve; 6. a cushion pad; 7. a cushion lower baffle; 8. a baffle plate is arranged on the buffer pad; 9. a planar thrust bearing; 10. and (6) installing a bolt.

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, the heavy-duty universal wheel of the present invention comprises a wheel frame 1, a wheel axle 2, a wheel 3, a rotating shaft 4, a cushion pad 6, a cushion pad lower baffle 7, a cushion pad upper baffle 8, a plane thrust bearing 9 and a mounting bolt 10; the wheel carrier 1 is made of high-strength structural steel materials, the wheel shaft 2 is horizontally and fixedly installed on the wheel carrier 1, the wheel 3 is rotatably connected with the wheel shaft 2 through a bearing, the rotating shaft 4 is vertically installed on the wheel carrier 1, a cap is arranged at the upper end of the rotating shaft 4, the cap at the upper end of the rotating shaft 4 is fixedly installed on a vehicle through an installing bolt 10, the inner ring of the plane thrust bearing 9 is connected with the rotating shaft 4, the outer ring of the plane thrust bearing 9 is fixedly connected onto the wheel carrier 1, the buffer cushion 6 is sleeved on the periphery of the rotating shaft 4, the lower baffle 7 of the buffer cushion is installed on the wheel carrier 1, the lower baffle 7 of the buffer cushion is located at the lower end of the buffer cushion 6, the upper baffle 8 of the buffer cushion is installed.

Specifically, the axle 2 and the rotating shaft 4 are formed by turning No. 45 steel and performing heat treatment, so that the strength of the axle 2 and the strength of the rotating shaft 4 are effectively ensured.

Specifically, two sets of wheels 3 are installed on the wheel shaft 2, and two sets of wheels 3 can be installed on one set of wheel carrier 1, so that the wheel pressure can be effectively ensured to be uniform, and the bearing capacity of the wheels can be improved.

Specifically, the lower end of the rotating shaft 4 is provided with a copper sleeve 5, the copper sleeve 5 is rotatably connected with the wheel carrier 1, and the arrangement of the copper sleeve 5 improves the protection effect on the rotating shaft 4.

Specifically, copper sheathing 5 is made by brass, be provided with interior carving lubricant groove in the copper sheathing 5, the lubricant groove that sets up in the copper sheathing 5 is used for adding lubricating oil, improves the lubricated effect of copper sheathing.

Specifically, the buffer pad 6 is made of high-elasticity polyurethane, so that the buffer effect on the universal wheel can be effectively improved.

Specifically, 7 edges of baffle under the blotter are provided with annular baffle, baffle 7 structures under 8 structures of baffle and the blotter on the blotter are the same, just baffle 7 uses under 8 and the blotter of baffle on the blotter to distribute as central symmetry, and baffle 7 and the blotter of symmetry installation baffle 8 effectively play the effect of fixed centre gripping to the blotter under 7 and the blotter.

Specifically, the wheel 3 is formed by wrapping a polyurethane tire on a hub made of high-strength structural steel.

The wheel carrier 1 is made of high-strength structural steel materials, the strength of the wheel carrier 1 is effectively ensured, the wheel carrier is used for mounting a wheel shaft 2 and is connected with a rotating shaft 4, the wheel shaft 2 and the rotating shaft 4 are formed by turning No. 45 steel and performing heat treatment, the strength of the wheel shaft 2 and the rotating shaft 4 is effectively ensured, two groups of wheels 3 can be mounted on one group of wheel carrier 1, the uniform wheel pressure can be effectively ensured, the bearing capacity of the wheels is improved, a lubricating oil groove arranged in a copper sleeve 5 is used for adding lubricating oil, the lubricating effect of the copper sleeve is improved, a buffer cushion 6 is made of high-elasticity polyurethane, the buffer effect on a universal wheel can be effectively improved, a buffer cushion upper baffle plate 8 and a buffer cushion lower baffle plate 7 are symmetrically distributed by taking the buffer cushion 6 as the center, and the symmetrically mounted buffer.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A heavy-load universal wheel is characterized in that: comprises a wheel carrier (1), a wheel shaft (2), wheels (3), a rotating shaft (4), a cushion pad (6), a lower baffle plate (7) of the cushion pad, an upper baffle plate (8) of the cushion pad, a plane thrust bearing (9) and a mounting bolt (10); the wheel carrier (1) is made of high-strength structural steel materials, the wheel shaft (2) is horizontally and fixedly installed on the wheel carrier (1), the wheel (3) is rotatably connected with the wheel shaft (2) through a bearing, the rotating shaft (4) is vertically installed on the wheel carrier (1), a cap is arranged at the upper end of the rotating shaft (4), the cap at the upper end of the rotating shaft (4) is fixedly installed on a vehicle through an installing bolt (10), the inner ring of the plane thrust bearing (9) is connected with the rotating shaft (4), the outer ring of the plane thrust bearing (9) is fixedly connected on the wheel carrier (1), the buffer cushion (6) is sleeved on the periphery of the rotating shaft (4), the lower baffle (7) of the buffer cushion is installed on the wheel carrier (1), the lower baffle (7) of the buffer cushion is located at the lower end of the buffer cushion (6), and the upper baffle (8) of the, the upper baffle (8) of the buffer cushion is positioned at the upper end of the buffer cushion (6).

2. The heavy-duty universal wheel according to claim 1, wherein: the wheel shaft (2) and the rotating shaft (4) are formed by turning No. 45 steel and performing heat treatment.

3. The heavy-duty universal wheel according to claim 1, wherein: two groups of wheels (3) are arranged on the wheel shaft (2).

4. The heavy-duty universal wheel according to claim 1, wherein: the lower end of the rotating shaft (4) is provided with a copper sleeve (5), and the copper sleeve (5) is rotatably connected with the wheel carrier (1).

5. The heavy-duty universal wheel according to claim 4, wherein: the copper bush (5) is made of brass, and an internal-etching lubricating oil groove is formed in the copper bush (5).

6. The heavy-duty universal wheel according to claim 1, wherein: the buffer pad (6) is made of high-elasticity polyurethane.

7. The heavy-duty universal wheel according to claim 1, wherein: baffle (7) edge is provided with annular baffle under the blotter, baffle (8) structure is the same with baffle (7) structure under the blotter on the blotter, just baffle (8) and blotter on the blotter baffle (7) use blotter (6) as central symmetry distribution.

8. The heavy-duty universal wheel according to claim 1, wherein: the wheel (3) is formed by wrapping a polyurethane tire on a hub made of high-strength structural steel.