Connecting structure of large-diameter thin-wall wheel and thin shaft

Abstract

The utility model discloses a large-diameter thin-wall wheel and thin shaft connecting structure which comprises a thin-wall wheel and a thin shaft, the thin-wall wheel is located on the outer side face of the thin shaft, step faces are symmetrically machined in the middle of the thin shaft, fixed supporting plates are connected to the two step faces of the thin shaft in a sleeved mode, and the thin-wall wheel is located on the thin shaft. The outer side faces of the fixed supporting plates are attached to the inner side face of the thin-wall wheel, at least one screw rod is connected between the upper half portions of the two fixed supporting plates in a penetrating mode, the two ends of the screw rod are in threaded connection with first locking nuts, and at least one fixing bolt is arranged on one side of the lower half portion of each fixed supporting plate. Movable supporting plates are connected to the outer side faces of the two ends of the thin shaft in a sleeving mode, the fixing bolts penetrate through the movable supporting plates, and second locking nuts are connected to the outer side faces of the fixing bolts in a threaded mode. According to the connecting structure of the large-diameter thin-wall wheel and the thin shaft, the thin-wall wheel can be conveniently disassembled and assembled, use convenience is improved, meanwhile, materials used for the thin shaft are reduced, and cost is reduced. And the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conveying, specifically to a connecting structure of large-diameter thin-wall wheel and thin shaft. BACKGROUND

[0002] The belt roller or conveying roller of the large conveyor is composed of thin-wall wheel and thin shaft, thereby realizing the conveying of material.

[0003] At present, the connection between the thin-wall wheel and the thin shaft is assembled together by a thin shaft with the same outer diameter as the inner diameter of the thin-wall wheel. The thin shaft made in this way is very thick, the cost is high, and it is very inconvenient to disassemble the thin-wall wheel and the thin shaft, which affects the maintenance progress. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a connecting structure of large-diameter thin-wall wheel and thin shaft, which can facilitate the disassembly of the thin-wall wheel, reduce the material of the thin shaft, reduce the cost, and effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting structure of large-diameter thin-wall wheel and thin shaft, comprising a thin-wall wheel and a thin shaft, the thin-wall wheel is located on the outer side of the thin shaft, the middle position of the thin shaft is symmetrically processed with a stepped surface, the two stepped surfaces of the thin shaft are both sleeved with a fixed support plate, the outer side of the fixed support plate is attached to the inner side of the thin-wall wheel, at least one screw rod is penetrated between the upper half of the two fixed support plates, the both ends of the screw rod are both threaded with a first locking nut, at least one fixed bolt is arranged on one side of the lower half of the fixed support plate, the outer side of the both ends of the thin shaft is both sleeved with a movable support plate, the fixed bolt penetrates through the movable support plate, and the outer side of the fixed bolt is threaded with a second locking nut, the outer side of the movable support plate is attached to the inner side of the thin-wall wheel.

[0006] As a preferred technical scheme of the utility model, the upper half of the movable support plate is vertically penetrated with an ejection bolt, the ejection bolt is threaded with the movable support plate, and one end of the ejection bolt presses the fixed support plate.

[0007] As a preferred technical scheme of the utility model, the inner side of the both ends of the thin-wall wheel is processed with an inclined surface, and the outer side of the movable support plate is processed with an inclined surface matched with the inclined surface.

[0008] Compared with the prior art, the beneficial effects of the large-diameter thin-wall wheel and thin shaft connecting structure are that the connecting structure of the large-diameter thin-wall wheel and the thin shaft is reasonable in design and ingenious in conception, the thin-wall wheel is supported through the setting of the fixed support plate and the movable support plate, the material of the thin shaft is reduced, the cost is saved, the movable support plate and the fixed support plate can be detached from the thin shaft by loosening the second locking nut and the first locking nut, the disassembly and assembly are facilitated, and the use convenience is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a structural schematic view of the utility model.

[0010] In the drawing: 1 thin-wall wheel, 2 thin shaft, 3 fixed support plate, 4 screw rod, 5 first locking nut, 6 movable support plate, 7 ejection bolt, 8 fixed bolt, 9 second locking nut, 10 inclined surface. DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments (for the convenience of description and understanding, the following is described with the upper side as the upper side). Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model. Figure 1

[0012] Please refer to Figure 1 The utility model provides a kind of technical scheme: a large-diameter thin-wall wheel and thin shaft connecting structure, including thin-wall wheel 1 and thin shaft 2, thin-wall wheel 1 is located on the outer side of thin shaft 2, the middle position of thin shaft 2 is symmetrically processed with step surface, reduce the material of thin shaft 2, save cost, two step surfaces of thin shaft 2 are all sleeved with fixed support plate 3, the outer side of fixed support plate 3 is attached with the inner side of thin-wall wheel 1, at least one screw rod 4 is inserted between the upper half of two fixed support plates 3, preferably, the number of screw rod between the upper half of fixed support plate 3 can be three or five, the both ends of screw rod 4 are all threadedly connected with first locking nut 5, the position of fixed support plate 3 is fixed by first locking nut 5;

[0013] The lower half of fixed support plate 3 is provided with at least one fixed bolt 8 on one side, preferably, the number of fixed bolt 8 on the lower half of fixed support plate 3 can be three or five, the outer side of both ends of thin shaft 2 is sleeved with movable support plate 6, fixed bolt 8 passes through movable support plate 6, and the outer side of fixed bolt 8 is threadedly connected with second locking nut 9, the outer side of movable support plate 6 is attached with the inner side of thin-wall wheel 1, and the fixing of movable support plate 6 is realized by second locking nut 9.

[0014] ​Further, in order to improve the installation stability of the fixed support plate 3, the upper half of the movable support plate 6 is vertically penetrated by an ejection bolt 7, the ejection bolt 7 is threadedly connected with the movable support plate 6, and one end of the ejection bolt 7 is pressed against the fixed support plate 3.

[0015] Further, in order to ensure that the movable support plate 6 is closely attached to the thin-walled wheel 1 and to strengthen the support of the thin-walled wheel 1, the inner side surfaces of the two ends of the thin-walled wheel 1 are both machined with inclined surfaces 10, and the outer side surface of the movable support plate 6 is machined with an inclined surface matching the inclined surfaces 10.

[0016] In use, the two fixed support plates 3 are first installed at the stepped surface positions of the thin shaft 2, then the threaded rods 4 are penetrated and fastened by the first locking nuts 5, multiple threaded rods 4 can be arranged according to needs, the two movable support plates 6 are sleeved at the two ends of the thin shaft 2, the fixed bolts 8 on the fixed support plates 3 are penetrated through the movable support plates 6 and locked by the second locking nuts 9, under the action of the second locking nuts 9, the movable support plates 6 are closely attached to the inner wall of the thin-walled wheel 1, then the ejection bolt 7 is installed on the movable support plate 6, and the fixed support plate 3 is pressed by rotating the ejection bolt 7; when disassembling, the second locking nuts 9 are first removed, then the movable support plates 6 are removed, then the first locking nuts 5 are removed, and finally the fixed support plates 3 are removed.

[0017] The utility model can effectively reduce the material of the thin shaft 2 and reduce the cost; meanwhile, the fixed support plate 3 and the movable support plate 6 can be arranged to support the thin-walled wheel 1, ensure the working performance, the threaded rods 4 and the fixed bolts 8 can facilitate the disassembly and assembly of the fixed support plate 3 and the movable support plate 6, and the use convenience is greatly improved.

[0018] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A connection structure between a large-diameter thin-walled wheel and a thin shaft, comprising a thin-walled wheel (1) and a thin shaft (2), wherein the thin-walled wheel (1) is located on the outer side of the thin shaft (2), and is characterized in that: The middle position of the thin shaft (2) is symmetrically processed with a step surface, and the two step surfaces of the thin shaft (2) are both sleeved with a fixed support plate (3), and the outer side surface of the fixed support plate (3) is in contact with the inner side surface of the thin-walled wheel (1). At least one screw rod (4) is passed through the upper halves of the two fixed support plates (3), and both ends of the screw rod (4) are threadedly connected with a first locking nut (5). At least one fixing bolt (8) is provided on one side of the lower half of the fixed support plate (3), and the outer side surfaces of both ends of the thin shaft (2) are sleeved with a dynamic support plate (6), and the fixing bolt (8) passes through the dynamic support plate (6), and the outer side surface of the fixing bolt (8) is threadedly connected with a second locking nut (9), and the outer side surface of the dynamic support plate (6) is in contact with the inner side surface of the thin-walled wheel (1).

2. The connection structure of a large-diameter thin-walled wheel and a thin shaft according to claim 1, characterized in that: An ejection bolt (7) passes vertically through the upper half of the movable support plate (6), the ejection bolt (7) is threadedly connected to the movable support plate (6), and one end of the ejection bolt (7) presses the fixed support plate (3).

3. The connection structure of a large-diameter thin-walled wheel and a thin shaft according to claim 1, characterized in that: The inner side surfaces of both ends of the thin-walled wheel (1) are processed with inclined surfaces (10), and the outer side surface of the movable support plate (6) is processed with a slope surface that matches the inclined surfaces (10).

Images