Chain wheel sheet body and chain wheel capable of being used in reversing mode
By using a double sprocket body structure and a distance sleeve design, the problem of severe sprocket wear was solved, enabling the sprocket assembly to be used in reverse direction and to be produced efficiently.
Patent Information
- Application Number
- CN202423176310.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The sprocket assemblies of the head and tail transmission devices of the mining scraper conveyor are severely worn due to chain friction. The existing sprockets are part of the machine structure and need to be repaired after wear, which affects their service life.
It adopts a double sprocket body structure with a chain slot on each side. The chain slot on the other side can be used by reversing or changing the position. Combined with the distance sleeve and positioning structure, it can be reversed, extending service life and improving production efficiency.
It extends the service life of the sprocket assembly, improves production efficiency, and enables flexible assembly and maintenance of the sprocket assembly by mass-producing sprocket plates in advance.
Smart Images
Figure CN223659037U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain wheel technical field more specifically, relate to a kind of chain wheel piece and reversible chain wheel. BACKGROUND
[0002] Generally, the chain wheel assembly of the head and tail part transmission device of mine scraper conveyor is seriously worn at chain nest of chain wheel body due to mutual friction with chain, and the wear degree of chain nest directly determines the service life of chain wheel assembly, and the service life of chain wheel assembly can be prolonged by improving the wear resistance of chain nest or increasing the effective use times of chain nest. The existing chain wheel body is basically a whole machine structure, and the chain nest is located on both sides of the chain track of the chain wheel tooth ring. It must be repaired before use after wear.
[0003] Therefore, it is necessary to optimize the structure of the chain wheel body. SUMMARY
[0004] In order to overcome the deficiencies in the prior art, a chain wheel piece and a reversible chain wheel are provided, which have the characteristics of bidirectional use. After reversing or moving position, the other side chain nest can continue to engage with the chain to drive, thereby prolonging the service life of the chain wheel assembly. The piece body structure can be produced in batches in advance, thereby improving the production efficiency of the overall chain wheel assembly.
[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that:
[0006] A chain wheel piece, comprising a chain wheel piece, a plurality of chain teeth are arranged on the outer side of the chain wheel piece, and the plurality of chain teeth are arranged in a single layer and distributed uniformly along the circumference of the chain wheel piece.
[0007] Chain nests are arranged on the left and right sides of the chain teeth, and the chain nests on the left and right sides are symmetrically arranged relative to the chain teeth.
[0008] Preferably, the chain wheel piece is symmetrically arranged relative to the chain teeth.
[0009] A reversible chain wheel, comprising a distance sleeve and the chain wheel piece of claim 1 or 2, the chain wheel piece is provided with two, the distance sleeve is arranged between the two chain wheel pieces and is detachably connected with the chain wheel piece, and the chain teeth of the two chain wheel pieces correspond one by one.
[0010] Preferably, connecting holes are correspondingly arranged on the end faces of the chain wheel piece and the distance sleeve, and the distance sleeve and the chain wheel pieces on both sides are circumferentially limited by the pin shaft passing through the connecting holes.
[0011] Preferably, external threads and internal threads are correspondingly arranged on the distance sleeve and the chain wheel piece, and the distance sleeve and the chain wheel piece are screw-connected.
[0012] Preferably, axial through holes are provided between the distance sleeve and the sprocket piece, and the axial positioning bolts pass through the axial through holes of the distance sleeve and the sprocket piece and are locked by the nuts.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The utility model discloses a sprocket is assembled by two sprocket pieces and distance sleeves, and the chain nest is arranged on both sides of the sprocket piece, and the two rows of chain nests on the inner side of the two sprocket pieces form a circular chain channel. BRIEF DESCRIPTION OF DRAWINGS
[0015] The specific embodiments of the utility model will be further and specifically described below with reference to the drawings.
[0016] Figure 1 It is a sprocket piece structure schematic view;
[0017] Figure 2 It is a reversible sprocket structure schematic view;
[0018] Figure 3 It is Figure 2 explosion schematic view;
[0019] Figure 4 It is an axial positioning bolt installation schematic view;
[0020] Figure 5 It is an example 3 structure schematic view.
[0021] In the drawing: 1 - sprocket piece, 2 - sprocket tooth, 21 - chain nest, 3 - distance sleeve, 31 - axial positioning bolt, 32 - nut, 4 - sprocket piece, 41 - connecting hole, 42 - pin shaft. DETAILED DESCRIPTION
[0022] 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. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0023] As Figure 1As shown, a sprocket body includes a sprocket piece 1. A plurality of sprocket teeth 2 are provided on the outer side of the sprocket piece 1. The plurality of sprocket teeth 2 are arranged in a single layer and evenly distributed along the circumference of the sprocket piece 1. After two sprocket pieces 1 are combined, a circular chain track can be formed between the sprocket teeth 2 of the two sprocket pieces 1.
[0024] To improve the service life of the sprocket teeth 2, chain recesses 21 are provided on both the left and right sides of the sprocket teeth 2. The chain recesses 21 on the left and right sides are symmetrically arranged relative to the sprocket teeth 2. If the chain recess on one side is damaged, the chain recess on the other side can be used to continue working.
[0025] Preferably, the sprocket piece 1 is symmetrically arranged relative to the sprocket tooth 2, so that the sprocket piece 1 can be reused by simply changing direction.
[0026] The sprocket piece 1 can also be arranged asymmetrically relative to the sprocket tooth 2. When this structure is adopted, the two sprocket pieces 1 can be reused by swapping their left and right positions.
[0027] like Figures 2 to 4 As shown, a reversible sprocket includes a spacer sleeve 3 and a sprocket body 4 disclosed in Embodiment 1. Two sprocket bodies 4 are provided. The spacer sleeve 3 is disposed between the two sprocket bodies 4 and is detachably connected to the sprocket bodies 4. The sprocket teeth 2 of the two sprocket bodies 4 correspond one-to-one.
[0028] The distance between the two sprocket bodies 4 is fixed by the distance sleeve 3. By using distance sleeves 3 of different thicknesses, circular chain tracks of different specifications can be formed.
[0029] Preferably, the sprocket body 4 and the distance sleeve 3 are circumferentially positioned by a pin 42. Specifically, the end faces of the sprocket body 4 and the distance sleeve 3 are respectively provided with connecting holes 41, and the pin 42 passes through the connecting holes 41 of the distance sleeve 3 and the sprocket bodies 4 on both sides to achieve positioning.
[0030] Preferably, the axial positioning between the distance sleeve 3 and the sprocket body 4 is achieved by the axial positioning bolt 31. Specifically, the distance sleeve 3 and the sprocket body 4 are provided with corresponding axial through holes, and the axial positioning bolt 31 passes through the axial through holes of the distance sleeve 3 and the two sprocket bodies 4 and is locked by the nut 32.
[0031] Alternatively, a thread can be provided in the axial through hole of one of the sprocket bodies 4, and the axial positioning bolt 31 can be fitted with the thread in the axial through hole after passing through the other sprocket body 4 and the distance sleeve 4.
[0032] like Figure 5 As shown, a reversible sprocket, based on Embodiment 2, replaces the axial positioning structure in Embodiment 2 with the following structure:
[0033] The distance sleeve 3 and the sprocket body 4 are correspondingly provided with external threads and internal threads, the distance sleeve 3 and the sprocket body 4 are threadedly connected, the positioning of the distance sleeve 3 and the sprocket body 4 is realized, and the anti-loosening of the distance sleeve 3 and the sprocket body 4 is realized by cooperating with the pin shaft 42.
[0034] The above only describes the preferred embodiments of the present application in detail, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application, and all the changes shall be included in the protection scope of the present application.
Claims
1. A sprocket for use in either direction of rotation, characterised in that: Including distance sleeve (3) and sprocket piece (4), the sprocket piece (4) is provided with two, distance sleeve (3) is arranged between two sprocket pieces (4) and is detachably connected with sprocket piece (4), and the sprocket teeth (2) of two sprocket pieces (4) are one to one corresponding; The sprocket piece includes a sprocket plate (1), and the outer side of the sprocket plate (1) is provided with a plurality of sprocket teeth (2), the plurality of sprocket teeth (2) are arranged in a single layer and are uniformly distributed along the circumference of the sprocket plate (1); The left and right sides of the sprocket tooth (2) are provided with a chain nest (21), and the chain nests (21) on the left and right sides are symmetrically arranged relative to the sprocket tooth (2); The sprocket plate (1) is symmetrically arranged relative to the sprocket tooth (2); The end faces of the sprocket piece (4) and the distance sleeve (3) are correspondingly provided with connecting holes (41), and the distance sleeve (3) and the sprocket pieces (4) on both sides are circumferentially limited by the pin shaft (42) passing through the connecting holes (41); The distance sleeve (3) and the sprocket piece (4) are correspondingly provided with external threads and internal threads, and the distance sleeve (3) and the sprocket piece (4) are threadedly connected.
2. A reversible sprocket as claimed in claim 1, wherein: Corresponding axial through holes are provided between the distance sleeve (3) and the sprocket piece (4), the axial positioning bolt (31) passes through the axial through holes of the distance sleeve (3) and the sprocket piece (4) and is locked by the nut (32).