A stable wheat wheel device

Abstract

The present invention belongs to the technical field of wheat wheel structures, and in particular relates to a stable wheat wheel device. The present invention achieves the purpose of being able to quickly and stably sleeve multiple wheat wheel devices on a polygonal rod body and allowing a large torque output by arranging rollers, mounting holes, screw grooves, inner polygonal tube units and coating units on the wheat wheel body. The present invention has the following advantages: First, after the wheat wheel device is sleeved on a square or regular hexagonal rod body, a wheat wheel rod structure is formed. The wheat wheel rods with two symmetrical rollers can apply a flexible and controllable combined speed on the lower surface of the box body, ensuring that the box body can be transported in different directions to achieve the purpose of sorting; second, the wheat wheel device has the functions of annular limit engagement and axial friction clamping on the polygonal rod body, ensuring that the overall stability is high during rotation, not prone to displacement and shaking, and allowing a large output torque value.

Description

Technical Field

[0001] The invention belongs to the technical field of wheat wheel structures, and in particular relates to a stable wheat wheel device. Background Art

[0002] The Mecanum wheel, also known as the Mccanum wheel, has the most prominent advantage of omnidirectional movement, allowing it to move not only forward and backward but also diagonally. The structure of a Mecanum wheel generally consists of a wheel body, outer rollers, and a mounting hole in the body. Inserting the motor shaft into the mounting hole allows for omnidirectional movement.

[0003] However, this type of wheat wheel has a relatively simple structure. The biggest problem is that the friction between the circular main body mounting hole and the cylindrical motor shaft is very limited. Once the load of the wheat wheel trolley increases, the plug-in point is prone to slipping.

[0004] Therefore, in summary, there is an urgent need for a stable installation type wheat wheel to ensure that a relatively large torque can be output to push a relatively large load.

[0005] The Chinese utility model patent with patent publication number CN206414724U and publication date of August 18, 2017, discloses a launcher with controllable ballistic direction and trajectory, which uses a McLennan wheel as a chassis and a rotating pan-tilt platform. The launcher includes a ball feeding device, a launching device, an angle-adjustable pitch assembly, a 360-degree pan-tilt platform, a pipe connection assembly, a bracket, and an omnidirectional chassis. The ball feeding device includes a ball cabin and a movable ball drop port. The launching device is arranged on the pitch assembly, and the pitch assembly is arranged on the 360-degree pan-tilt platform that rotates about the Z axis. The pipe connection assembly is movably connected between the outlet of the sliding door assembly and the inlet of the launching component. The 360-degree pan-tilt platform is fixed to the omnidirectional chassis, and the ball feeding device is fixed to the omnidirectional chassis via a bracket.

[0006] However, the mounting holes on the side of the wheat wheel in this utility model patent need to be screwed to the orifice plate on the motor shaft, which limits the use of multiple wheat wheels on one mounting rod. Because if a pre-set orifice plate is provided on the mounting rod, subsequent wheat wheels cannot be put on. Therefore, its wheat wheel structure has the usage limitation of "single rod and single wheel", and its overall practicality is not high. Summary of the Invention

[0007] The present invention provides a stable wheat wheel device, which can achieve the purpose of quickly and stably sleeved multiple wheat wheel devices on a polygonal rod body and allow for the output of large torque by arranging rollers, mounting holes, screw grooves, inner polygonal tube units and covering units on the wheat wheel body.

[0008] The technical solution adopted by the present invention to solve the above-mentioned problem is: a stable wheat wheel device, including a wheat wheel body, a roller, a mounting hole, and a screw groove, and also including an inner polygonal tube unit inserted into the mounting hole and connected to the screw groove, and a coating unit arranged on the inner polygonal tube unit and used for elastic clamping between the wheat wheel body and the inner polygonal tube unit, and between the inner polygonal tube unit and the polygonal rod.

[0009] A further preferred technical solution is that the inner polygonal tube unit includes a fixing plate arranged on the side plane of the wheat wheel body, a polygonal opening arranged on the fixing plate and located inside the mounting hole, and an inner polygonal tube arranged on the fixing plate and inserted into the mounting hole, and the inner surface shape of the inner polygonal tube is aligned with the polygonal opening.

[0010] A further preferred technical solution is that the inner polygonal tube unit further includes a screw hole provided on the fixing plate, and a fixing bolt provided on the screw hole and the screw groove.

[0011] A further preferred technical solution is that the polygonal opening is in the shape of a square or a regular hexagon.

[0012] A further preferred technical solution is that the outer side surface of the inner polygonal tube is a circular surface, and the outer diameter of the inner polygonal tube is 2-5 mm smaller than the aperture of the mounting hole.

[0013] A further preferred technical solution is that the coating unit includes an annular main body membrane arranged on the side plane of the fixed plate and exposing the polygonal opening, an annular transition membrane arranged on the outer ring edge of the annular main body membrane, an annular clamping membrane arranged on the outer ring edge of the annular transition membrane and located between the fixed plate and the wheat wheel body, and an anti-slip clamping strip arranged on the inner ring edge of the annular main body membrane and located between the inner polygonal tube and the polygonal rod body.

[0014] A further preferred technical solution is that the coating unit further includes a protective hole provided on the annular main membrane and having a width smaller than the side length of the hexagonal tail of the fixing bolt.

[0015] A further preferred technical solution is that the thickness of the annular transition membrane is smaller than that of the annular main membrane and smaller than that of the annular clamping membrane.

[0016] A further preferred technical solution is that the thickness of the annular clamping membrane is greater than that of the annular main body membrane.

[0017] A further preferred technical solution is that the number of the anti-slip clamping strips is four or six.

[0018] The present invention has the following advantages: first, after the wheat wheel device is multiple-connected on the square or regular hexagonal rod body, a wheat wheel rod structure is formed. The wheat wheel rods with two symmetrical rollers can apply a flexible and controllable combined speed on the lower surface of the box body, ensuring that the box body can be transported in different directions to achieve the purpose of sorting; second, the wheat wheel device has the functions of annular limit engagement and axial friction clamping on the polygonal rod body, ensuring that the overall stability is high during rotation, not prone to displacement and shaking, and allowing a large output torque value; third, the inner polygonal tube unit is not easy to fall off when installed on the wheat wheel body, and the fixing bolts are not easy to lose, which facilitates re-tightening operations; fourth, the entire wheat wheel device has good use effect on conveying equipment, and when used on a sorting machine, it has theoretically countless sorting and discharging directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a schematic diagram of the wheat wheel structure in the prior art.

[0021] Figure 3 It is a structural schematic diagram of the inner polygonal tube unit in the present invention.

[0022] Figure 4 This is a schematic diagram of the structure in which the inner polygonal tube unit is installed separately in the present invention.

[0023] Figure 5 Schematic diagram of the use of the coating unit on the inner polygonal tube unit in the present invention.

[0024] Figure 6 Schematic diagram of the structure of the coating unit in the present invention.

[0025] Figure 7 Schematic diagram of the combined speed of the two wheat wheel bars in the present invention, wherein V1 and V2 are the rotation speeds of the rollers, and Va, Vb, and Vc are the combined speeds that may be experienced on the lower surface of the box to be transported, that is, the possible discharge directions.

[0026] In the accompanying drawings, the components represented by each reference numeral are as follows: wheat wheel body 11, roller 12, mounting hole 13, screw groove 14, inner polygonal tube unit 1, polygonal rod body a, coating unit 2, fixing plate 101, polygonal opening 102, inner polygonal tube 103, screw hole 104, fixing bolt 105, annular main body membrane 201, annular transition membrane 202, annular clamping membrane 203, anti-slip clamping strip 204, and protective hole 205. DETAILED DESCRIPTION

[0027] The following description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

[0028] Example: As shown in the attached Figure 1-7 As shown, a stable wheat wheel device includes a wheat wheel body 11, a roller 12, a mounting hole 13, and a screw groove 14, and also includes an inner polygonal tube unit 1 inserted into the mounting hole 13 and connected to the screw groove 14, and a coating unit 2 provided on the inner polygonal tube unit 1 and used for elastically clamping between the wheat wheel body 11 and the inner polygonal tube unit 1, and between the inner polygonal tube unit 1 and the polygonal rod a.

[0029] In existing sorting machines, the most important component is the steering component, which assigns different delivery directions to goods to achieve the desired sorting effect. However, the steering component of existing multi-directional sorting machines includes a rotating motor, a rotating base, a drive motor, and a drive roller. This makes the entire steering component structure very complex and expensive to operate and maintain.

[0030] Therefore, in this embodiment, a plurality of the wheat wheel devices plus the polygonal rod body a form the above-mentioned wheat wheel rod structure. The two symmetrical wheat wheel rods of the roller 12 can realize theoretically countless sorting and discharging directions, which can fully meet the current multiple sorting requirements. The principle is to reverse the original method of moving the wheat wheel and keeping the ground stationary, fix the position of the wheat wheel, and only require it to rotate.

[0031] Therefore, the wheat wheel device needs to have annular snap-fitting and axial fixing effects on the polygonal rod body a. The former ensures that a larger torque can be output, and the latter prevents the wheat wheel device from shifting. Otherwise, the friction conveying action on the lower surface of the goods will be skewed, and the goods may rotate on the wheat wheel rod, which is very unfavorable.

[0032] Therefore, in this embodiment, the inner polygonal tube unit 1 enables the existing wheat wheel structure to have a square or regular hexagonal inner hole to ensure annular clamping and fixation, and the coating unit 2 is mainly used for clamping between the inner polygonal tube unit 1 and the polygonal rod body a, so that the entire wheat wheel device is not easy to loosen axially on the polygonal rod body a.

[0033] The inner polygonal tube unit 1 includes a fixing plate 101 disposed on a side plane of the wheat wheel body 11, a polygonal opening 102 disposed on the fixing plate 101 and located inside the mounting hole 13, and an inner polygonal tube 103 disposed on the fixing plate 101 and inserted into the mounting hole 13, with the inner side surface of the inner polygonal tube 103 aligned with the polygonal opening 102. The inner polygonal tube unit 1 also includes a screw hole 104 disposed on the fixing plate 101, and a fixing bolt 105 disposed on the screw hole 104 and the screw groove 14.

[0034] In this embodiment, the polygonal opening 102 and the inner hole of the inner polygonal tube 103 are identical in position, shape and size, ensuring that the polygonal rod a can be smoothly inserted and circumferentially limited.

[0035] The polygonal opening 102 is in the shape of a square or a regular hexagon. The outer side surface of the inner polygonal tube 103 is a circular surface, and the outer diameter of the inner polygonal tube 103 is 2-5 mm smaller than the aperture of the mounting hole 13.

[0036] In this embodiment, the outer diameter of the inner polygonal tube 103 needs to be relatively large, otherwise the wall thickness of the inner polygonal tube 103 may be insufficient, affecting its structural strength.

[0037] The coating unit 2 includes an annular main body membrane 201 arranged on the side plane of the fixed plate 101 and exposing the polygonal opening 102, an annular transition membrane 202 arranged on the outer ring edge of the annular main body membrane 201, an annular clamping membrane 203 arranged on the outer ring edge of the annular transition membrane 202 and located between the fixed plate 101 and the wheat wheel body 11, and an anti-slip clamping strip 204 arranged on the inner ring edge of the annular main body membrane 201 and located between the inner polygonal tube 103 and the polygonal rod body a.

[0038] In this embodiment, the annular clamping film 203 replaces the conventional gasket, and the anti-slip clamping strip 204 replaces the conventional elastic sheet, ensuring that the entire laminating unit 2 has the advantages of high compactness and convenient and fast production.

[0039] The entire coating unit 2 is made of existing high-strength rubber.

[0040] The laminating unit 2 further includes a protection hole 205 which is provided on the annular main membrane 201 and has a width smaller than the side length of the hexagonal tail of the fixing bolt 105 .

[0041] In this embodiment, the protective hole 205 has two functions: first, during normal use, even if the fixing bolt 105 is loose, it is not easy to fall out of the relatively small protective hole 205, thereby preventing the fixing bolt 105 from being lost; second, when the fixing bolt 105 needs to be tightened again, the protective hole 205 is appropriately expanded without affecting the tightening operation, which is very clever.

[0042] The thickness of the annular transition membrane 202 is smaller than that of the annular main membrane 201 and smaller than that of the annular clamping membrane 203 .

[0043] In this embodiment, the annular transition membrane 202 is only used to connect the annular main membrane 201 and the annular clamping membrane 203 , so it can also be replaced by a plurality of radial connecting belts.

[0044] The thickness of the annular clamping membrane 203 is greater than that of the annular main membrane 201 .

[0045] In this embodiment, the annular clamping membrane 203 is used to perform an elastic clamping function between the wheat wheel body 11 and the fixing plate 101, so its thickness needs to be relatively large to avoid being flattened too quickly, and the radial length of the annular clamping membrane 203 also needs to be relatively large to ensure that it does not interfere with the insertion action of the fixing bolt 105.

[0046] The number of the anti-slip clamping strips 204 is four or six.

[0047] In this embodiment, when the polygonal opening 102 is a square, the inner polygonal tube 103 is an "outer circle, inner square" tube body, the cross-sectional shape of the polygonal rod body a is a square, and the number of the anti-slip clamping strips 204 is four. When the polygonal opening 102 is a regular hexagon, the inner polygonal tube 103 is an "outer circle, inner regular hexagon" tube body, the cross-sectional shape of the polygonal rod body a is a regular hexagon, and the number of the anti-slip clamping strips 204 is six. The anti-slip clamping strips 204 are used to clamp and prevent slipping between opposite side surfaces.

[0048] Six or eight wheat wheel devices are fixedly mounted on the last two polygonal rods a respectively, and then the polygonal rods a are externally connected to a reversible motor to ensure sorting and conveying of objects in multiple discharge directions, replacing the steering structure in the existing sorting machine.

[0049] While the embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to the aforementioned embodiments. Various modifications are possible within the scope of knowledge possessed by a person skilled in the art without departing from the spirit of the present invention. These modifications are non-inventive and are protected by patent law as long as they fall within the scope of the claims of the present invention.

Claims

1. A stable wheat wheel device, comprising a wheat wheel body (11), a roller (12), a mounting hole (13), and a screw groove (14), characterized in that: It also includes an inner polygonal tube unit (1) inserted into the mounting hole (13) and connected to the screw groove (14), and a coating unit (2) provided on the inner polygonal tube unit (1) and used for elastically clamping between the wheat wheel body (11) and the inner polygonal tube unit (1), and between the inner polygonal tube unit (1) and the polygonal rod (a). The inner polygonal tube unit (1) comprises a fixing plate (101) arranged on a side plane of the wheat wheel body (11), a polygonal opening (102) arranged on the fixing plate (101) and located inside the mounting hole (13), and an inner polygonal tube (103) arranged on the fixing plate (101) and inserted into the mounting hole (13), wherein the inner side surface shape of the inner polygonal tube (103) is aligned with the polygonal opening (102). The inner polygonal tube unit (1) further comprises a screw hole (104) provided on the fixing plate (101), and a fixing bolt (105) provided on the screw hole (104) and the screw groove (14). The coating unit (2) comprises a circular main body membrane (201) arranged on the side plane of the fixing plate (101) and exposing the polygonal opening (102), a circular transition membrane (202) arranged on the outer ring edge of the circular main body membrane (201), a circular clamping membrane (203) arranged on the outer ring edge of the circular transition membrane (202) and located between the fixing plate (101) and the wheat wheel body (11), and an anti-slip clamping strip (204) arranged on the inner ring edge of the circular main body membrane (201) and located between the inner polygonal tube (103) and the polygonal rod body (a). The laminating unit (2) further comprises a protective hole (205) provided on the annular main membrane (201) and having a width smaller than the side length of the hexagonal tail of the fixing bolt (105). The thickness of the annular transition membrane (202) is smaller than that of the annular main membrane (201) and smaller than that of the annular clamping membrane (203).

2. A stable wheat wheel device according to claim 1, characterized in that: The polygonal opening (102) is in the shape of a square or a regular hexagon.

3. The stable wheat wheel device according to claim 1, characterized in that: The outer side surface of the inner polygonal tube (103) is a circular ring surface, and the outer diameter of the inner polygonal tube (103) is 2-5 mm smaller than the aperture of the mounting hole (13).

4. The stable wheat wheel device according to claim 1, characterized in that: The thickness of the annular clamping membrane (203) is greater than that of the annular main body membrane (201).

5. The stable wheat wheel device according to claim 1, characterized in that: The number of the anti-slip clamping strips (204) is four or six.

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