Pressurizing guide wheel

Abstract

The utility model relates to the technical field of design and manufacturing of elevator parts, in particular to a pressurizing guide wheel and a manufacturing method thereof. A plurality of rope grooves are formed in the outer side surface of the rim; the outer edges of the spokes are in welded connection with the inner side of the rim, and the centers of the spokes are provided with center holes for the bearing sleeves to pass through; the outer side surface of the bearing sleeve is welded with the center hole; the inflation interface is arranged on the spoke; the inner side of the rim, the at least two spokes and the outer side of the bearing sleeve form a sealed space, one side of the inflation connector is connected with the sealed space, and the other side of the inflation connector is connected with the outside. Pressurized gas is introduced into the sealed space through the inflation connector, so that pressure generated when the rim bears load is partially dispersed to the inner wall of the spoke, and better performance is obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of design and manufacturing of elevator components, in particular to a pressurized guide wheel. Background Art

[0002] Currently, elevator wheels are primarily manufactured through casting and subsequent machining. This traditional manufacturing method presents significant challenges when manufacturing thick and heavy pulleys. As the size and weight of elevator hoist pulleys increase, energy consumption per elevator operation increases significantly. Alternatively, the heavy guide wheel mass and high manufacturing costs can be addressed by casting the rim with partially composite materials.

[0003] For example, a manufacturing method of a composite guide wheel disclosed in Chinese patent application publication number CN111470391A on July 31, 2020, includes a wheel hub, a bearing sleeve installed in the center of the wheel hub, and a rope groove body ring-circled on the outer circumference of the wheel hub; the wheel hub includes two half-hubs stamped from steel plates, the two half-hubs are fixed in abutment, the surface of each half-hub is sunken toward the abutment side, and the bottom surface of the sunken part is raised away from the abutment side to form a groove with an opening facing the abutment side, the bottom surfaces of the sunken parts of the two half-hubs are abutted against each other, and after abutting against each other, the corresponding grooves on the two half-hubs form an installation cavity; the rope groove body includes an annular main body fixed in abutment against the outer circumference of the wheel hub, and a reinforcing column extending from the inner side of the annular main body to the inside of the installation cavity, and the rope groove body is cast from a composite material.

[0004] However, in its products, the outer rim (rope groove body) is mainly supported by the structural strength of the half hub itself and the reinforcing ribs attached thereto. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to:

[0006] 1. Provide a pressurized guide wheel so that the guide wheel can be manufactured with less material and obtain the same structural strength and use strength.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pressure guide wheel, comprising:

[0008] The rim has a plurality of rope grooves provided on its outer surface;

[0009] at least two spokes in annular shape, with outer edges welded to the inner side of the rim and a center hole for the bearing sleeve to pass through;

[0010] The outer surface of the bearing sleeve is welded to the center hole;

[0011] An inflation interface is provided on the wheel spoke;

[0012] The inner side of the rim, at least two of the spokes and the outer side of the bearing sleeve form a sealed space. One side of the inflation interface is connected to the sealed space, and the other side of the inflation interface is connected to the outside world.

[0013] The rope grooves are equidistantly arranged on the outer surface of the rim;

[0014] The rope groove surrounds the outer surface of the rim and is connected end to end.

[0015] Pressurized gas is introduced into the sealed space through the inflation port, so that the pressure generated when the rim is under load is partially dispersed to the inner wall of the spoke to obtain better performance.

[0016] Optionally, there are two spokes.

[0017] Two spokes are used to form the side walls of the sealed space, and their sizes and shapes should be consistent.

[0018] Optionally, the spoke is provided with a plurality of reinforcing ribs arranged in a circular array with the bearing sleeve as the center.

[0019] The reinforcement ribs are used to enhance the structural strength of the spokes and further ensure that the pressurized gas in the sealed space will not

[0020] The beneficial technical effect of the utility model is that pressurized gas is introduced into the sealed space through the inflation interface, so that the pressure generated when the rim is under load is partially dispersed to the inner wall of the spoke, so as to obtain better performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the finished product of the pressurized guide wheel in the utility model;

[0022] Figure 2 This is a schematic cross-sectional view of the finished product of the pressurized guide wheel in the present invention;

[0023] Figure 3 This is a schematic diagram of the processing process of the rim of the utility model.

[0024] Figure numerals: 1- rim, 2- rope groove, 3- spoke, 4- bearing sleeve, 5- reinforcing rib, 6- inflation interface, 7- sealing space. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0026] Reference Figure 1 、 2 As shown, a pressurized guide wheel comprises:

[0027] The outer surface of the rim 1 is provided with five rope grooves 2 arranged parallel to each other, and the depth of the rope grooves 2 is greater than half the thickness of the rim 1;

[0028] Five rope grooves 2 are equidistantly arranged on the outer surface of the rim 1;

[0029] The rope groove 2 surrounds the outer surface of the rim 1 and is connected end to end.

[0030] The two spokes 3 are in a circular shape, with the outer edges welded to the inner side of the rim 1 and a center hole in the center for the bearing sleeve 4 to pass through; the spokes 3 are provided with six reinforcing ribs 5 arranged in a circular array with the bearing sleeve 4 as the center, and reinforcing protrusions arranged between the reinforcing ribs 5.

[0031] The outer surface of the bearing sleeve 4 is welded to the center hole;

[0032] An air charging port 6 is provided on the spoke 3;

[0033] The inner side of the rim 1 , the two spokes 3 and the outer side of the bearing sleeve 4 form a sealed space 7 , one side of the inflation interface 6 is connected to the sealed space 7 , and the other side of the inflation interface 6 is connected to the outside.

[0034] Pressurized gas is introduced into the sealed space 7 through the inflation interface 6 so that the pressure generated when the rim 1 is under load is partially dispersed to the inner wall of the spoke 3 to obtain better performance.

[0035] In order to manufacture the aforementioned pressurized guide wheel, this embodiment also provides a manufacturing method for the pressurized guide wheel.

[0036] The rim 1 and the spoke 3 are manufactured separately, and then the rim 1, the spoke 3 and the bearing sleeve 4 are welded together to form a hollow pressurized guide wheel, wherein:

[0037] Reference Figure 3 As shown, the processing method of the rim 1 is as follows:

[0038] First, the coiled sheet is loaded into the sheet leveling machine, which unrolls and leveled the coiled sheet. Finally, it is cut into the required size to obtain a straight sheet material, which is the workpiece shown in Figure A.

[0039] 2. Load the straight sheet material into the rolling machine for the rolling process. Roll the straight sheet material into a circle according to the required size and make the head and tail positions correspond;

[0040] 3. Load the material into the rim 1 butt welding and slag removal machine to perform butt welding and slag removal processes to obtain the workpiece shown in Figure B;

[0041] Fourth, the material is loaded into a spinning machine for a spinning process to form a rope groove 2 on the outer surface of the rim 1, thereby obtaining a workpiece as shown in Figure C;

[0042] The processing method of spoke 3 is as follows:

[0043] 1. Load the coiled sheet material into the sheet leveling machine, which will unroll and level the coiled sheet material, and finally cut it into straight sheet material according to the required size;

[0044] 2. Punching or laser cutting the straight sheet material to obtain the circular spoke 3;

[0045] 3. Stamping a reinforcing rib 5 on the spoke 3;

[0046] 4. Drill holes on the spokes 3 and install the inflation interface 6;

[0047] Finally, the processed spokes 3 are pressed into the rim 1 and laser welded, and the bearing sleeve 4 is pressed into the center hole and laser welded.

[0048] In the rim 1 processing method, the volume of the flat sheet material obtained by cutting is equal to the volume of the finished rim 1 plus a machining allowance. By calculating the required dimensions of the finished rim and adjusting the cutting position based on error data obtained through repeated machining of the finished rim, the finished rim processing process can be achieved with fewer "subtractive" steps and less material reduction than with conventional cast guide wheel methods, thereby saving material costs.

[0049] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A pressurized guide wheel, characterized in that: include: The rim has a plurality of rope grooves provided on its outer surface; at least two spokes in annular shape, with outer edges welded to the inner side of the rim and a center hole for the bearing sleeve to pass through; The outer surface of the bearing sleeve is welded to the center hole; An inflation interface is provided on the wheel spoke; The inner side of the rim, at least two of the spokes, and the outer side of the bearing sleeve form a sealed space, one side of the inflation interface is connected to the sealed space, and the other side of the inflation interface is connected to the outside world; The rope grooves are equidistantly arranged on the outer surface of the rim; The rope groove surrounds the outer surface of the rim and is connected end to end.

2. A pressurized guide wheel according to claim 1, characterized in that: There are two spokes.

3. The pressure guide wheel according to claim 2, characterized in that: The wheel spokes are provided with a plurality of reinforcing ribs arranged in a circular array with the bearing sleeve as the center.

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