CN220997966U - Arc-shaped reinforced round-link chain - Google Patents
Arc-shaped reinforced round-link chain Download PDFInfo
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- CN220997966U CN220997966U CN202322663473.7U CN202322663473U CN220997966U CN 220997966 U CN220997966 U CN 220997966U CN 202322663473 U CN202322663473 U CN 202322663473U CN 220997966 U CN220997966 U CN 220997966U
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- 238000001125 extrusion Methods 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims 5
- 238000005728 strengthening Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an arc-shaped reinforced round-link chain, which comprises a flat ring and a vertical ring which are sequentially and alternately connected, wherein the flat ring comprises two flat ring straight line parts and two flat ring arc parts, the vertical ring comprises two vertical ring straight line parts and two vertical ring arc parts, the vertical ring also comprises a connecting column for connecting the two vertical ring straight line parts, the connecting column separates the inner circle of the vertical ring into two oblong holes, the end faces of the two vertical ring straight line parts, which are far away from each other, are provided with end arc surfaces, and the distance between the two end arc surfaces is gradually increased from the middle to the two ends of the straight line parts.
Description
Technical Field
The utility model relates to the technical field of chains, in particular to an arc-shaped reinforced round-link chain.
Background
The chain transmission system of the scraper conveyor serves as a core component of the chain transmission system to bear the functions of power transmission and coal conveying, and the chain is driven by the chain wheels to pull the scraper assembly to move in the use process.
The chain comprises a plurality of metallic chain links, the chain link includes two sharp portions and connects two arc portions of two sharp portions, the face of two sharp portions homonymy on the same chain link is the side, the face that two sharp portions kept away from each other on the same chain link is the terminal surface, in scraper conveyor's chain transmission system, the chain link is divided into flat ring and standing ring according to the state when using, flat ring and the standing ring alternate connection in proper order, the flat ring of chain is laminated with the flat annular on the sprocket, the standing ring is laminated perpendicularly with the circumference of sprocket, in the use of chain, the laminating department of chain and sprocket is the place that wearing and tearing are the most, and because the hardness of chain surface is greater than inside hardness, the wear resistance inside the chain is relatively poor, in case the wearing and tearing of chain surface, can aggravate the inside wearing and tearing of chain, reduce the bulk strength of chain, aggravate the damage of chain, reduce the life of chain.
The invention patent with the authorization number of CN111842775B discloses a wear-resistant variable pitch chain and a processing technology thereof, wherein the side surface of a straight line part of a flat ring is provided with a side arc extrusion surface matched with the circumferential surface of a chain wheel, the end surface of a straight line part of a vertical ring is provided with an end arc extrusion surface matched with the circumferential surface of the chain wheel, so that the wear resistance of the flat ring and the vertical ring is improved, but the arrangement of the side arc extrusion surface reduces the thickness of the straight line part of the flat ring, and the straight line part of the flat ring is easy to bend inwards after being extruded for a long time.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an arc-shaped reinforced round-link chain.
The utility model is realized by the following technical scheme, and provides an arc-shaped reinforced ring chain, which comprises a flat ring and a vertical ring which are sequentially connected in a staggered manner, wherein the flat ring comprises two flat ring straight line parts and two flat ring arc parts, the vertical ring comprises two vertical ring straight line parts and two vertical ring arc parts, the vertical ring further comprises a connecting column for connecting the two vertical ring straight line parts, the connecting column divides the inner circle of the vertical ring into two long round holes, the end face of one side, far away from each other, of the two vertical ring straight line parts is provided with an end arc face, and the distance between the two end arc faces is gradually increased from the middle of the straight line parts of the vertical ring to the two ends of the vertical ring.
The tip arcwall face in this scheme is laminated with the circumference on the sprocket to improve wear resistance, the spliced pole is used for connecting two and stands ring sharp portion, thereby connects two and stand ring sharp portion as an organic wholely, when a stand ring sharp portion atress, another stand ring sharp portion shares pressure equally, thereby improves the anti deformability of standing ring sharp portion, and the spliced pole of setting still plays the effect of separating two adjacent flat rings.
Preferably, the length of the straight line part of the flat ring is longer than that of the straight line part of the vertical ring. In the scheme, the length of the straight line part of the flat ring is larger than that of the straight line part of the vertical ring, and the two straight line parts of the flat ring are attached to the bottom surface of the flat ring groove on the chain wheel for extrusion, so that the wear resistance of the chain can be enhanced by prolonging the length of the straight line part of the flat ring.
Preferably, the connecting column is connected to the midpoint of the straight line part of the standing ring. In this scheme spliced pole is connected at the midpoint of standing ring straight line portion to make the slotted hole size of both sides unanimous, the commonality of standing the ring of being convenient for.
As optimization, the outer ring of the flat ring is provided with a circle of extrusion plane which is perpendicular to the plane of the flat ring. Because the outer ring of the flat ring is attached to the side surface of the flat ring groove on the chain wheel, an extrusion plane is arranged on the outer ring of the flat ring, so that the flat ring is in surface contact with the side surface of the flat ring groove, the pressure intensity of the contact position is reduced, and the extrusion resistance is improved.
As optimization, both sides of the flat ring are provided with a circle of annular extrusion grooves. The annular extrusion groove that sets up in this scheme is extrusion, outwards extrudees flat ring outer lane during the extrusion to extrude the extrusion plane at flat ring outer lane.
As optimization, the cross section of the annular extrusion groove is rectangular, the depth of the annular extrusion groove is 0.1-0.2 times of the diameter of the straight line part of the flat ring, and the width of the annular extrusion groove is 0.3-0.4 times of the diameter of the straight line part of the flat ring.
The beneficial effects of the utility model are as follows: according to the arc-shaped reinforced round-link chain, the two vertical ring straight line parts are connected through the connecting column, so that the two vertical ring straight line parts are connected into a whole, when one vertical ring straight line part is stressed, the other vertical ring straight line part also shares pressure, so that the deformation resistance of the vertical ring straight line part is improved, a circle of extrusion plane is arranged on the outer ring of the flat ring, the extrusion resistance of the flat ring is improved, and finally the strength and the wear resistance of the whole chain are improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2 in accordance with the present utility model;
the figure shows:
11. The vertical ring comprises a vertical ring straight line part, 12, a vertical ring arc part, 13, a connecting column, 14, an end arc surface, 21, a flat ring straight line part, 22, a flat ring arc part, 23, a pressing plane, 24 and an annular pressing groove.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
As shown in fig. 1 to 3, the arc-shaped reinforced annular chain comprises flat rings and vertical rings which are sequentially connected in a staggered manner, wherein the flat rings are positioned in flat annular grooves of a chain wheel when the chain wheel is used, outer rings of the flat rings are contacted with side surfaces of the flat annular grooves, the bottom surfaces of the flat rings are contacted with the bottom surfaces of the flat annular grooves, the vertical rings are positioned in vertical annular grooves between adjacent flat annular grooves, and one vertical ring straight line part of each vertical ring is attached to the circumferential surface of the chain wheel.
The flat ring includes two flat ring straight line portions 21 and two flat ring arc portions 22, and the flat ring arc portions 22 and the flat ring straight line portions 21 are machined by one piece of round steel, so that the diameters are equal.
The vertical ring comprises two vertical ring straight line parts 11 and two vertical ring arc parts 12, and the vertical ring arc parts 12 and the vertical ring straight line parts 11 are processed by one piece of round steel, so that the diameters are equal.
The length of the flat ring straight line portion 21 is longer than the length of the standing ring straight line portion 11. In this embodiment, the length of the flat ring straight line portion 21 is 1.1 to 1.5 times the length of the standing ring straight line portion 11, and 1.3 times is usually used.
The end faces of the two vertical ring straight line parts 11, which are far away from each other, are provided with end arc faces 14, and the distance between the two end arc faces 14 gradually increases from the middle to the two ends of the vertical ring straight line parts 11. The end arcuate surfaces 14 conform to the outer circumference of the sprocket to increase the contact area.
The vertical ring further comprises a connecting column 13 connected with the two vertical ring straight line parts 11, the connecting column 13 and the two vertical ring straight line parts 11 are integrally formed, the diameter of the connecting column 13 is gradually increased from the middle to the directions of the two vertical ring straight line parts 11, the connecting column 13 divides the inner circle of the vertical ring into two oblong holes, and two flat rings connected with the vertical ring are respectively connected in the two oblong holes.
The connecting column is used for connecting the two vertical ring straight line parts, so that the two vertical ring straight line parts are connected into a whole, when one vertical ring straight line part is stressed, the other vertical ring straight line part also shares pressure, and the deformation resistance of the vertical ring straight line part is improved.
The connecting post 13 is connected to the midpoint of the straight portion 11 of the standing ring. The two oblong holes are therefore equal in size.
The outer ring of the flat ring is provided with a circle of extrusion plane 23, the extrusion plane 23 is arranged on the whole outer ring of the flat ring, and the extrusion plane 23 is perpendicular to the plane of the flat ring. The outer ring of the flat ring includes the outer side of the flat ring straight portion 21 and the outer side of the flat ring arc portion 22.
As shown in fig. 3, the flat ring outer ring is extruded by the extrusion plane 23, and the distance from the extrusion plane 23 to the inner ring is 0.75-0.85 times the diameter of the flat ring straight line portion 21.
Both sides of the flat ring are provided with a ring-shaped extrusion groove 24. The annular extrusion groove 24 is positioned at the middle position of the two sides of the flat ring, the cross section of the annular extrusion groove 24 is rectangular, the depth of the annular extrusion groove 24 is 0.1-0.2 times of the diameter of the straight line part 21 of the flat ring, and the width of the annular extrusion groove 24 is 0.3-0.4 times of the diameter of the straight line part 21 of the flat ring.
When the extrusion plane 23 and the annular extrusion groove 24 are processed, the flat ring is placed in a lower die cavity of the lower die, a bulge matched with the annular extrusion groove 24 is arranged on the bottom surface of the lower die cavity, the outer ring of the flat ring is attached to the side surface of the lower die cavity, the upper die is also provided with a bulge matched with the annular extrusion groove 24, and the upper die is stamped into the lower die, so that the annular extrusion groove 24 is stamped on two sides of the flat ring, meanwhile, the outer ring of the flat ring is extruded and expanded, and the extrusion plane 23 is formed on the outer ring.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (6)
1. The utility model provides an arc strengthening ring chain, includes the flat ring of crisscross connection in proper order and erects the ring, flat ring includes two flat ring straight line portions (21) and two flat ring arc portions (22), it includes two upright ring straight line portions (11) and two upright ring arc portions (12), its characterized in that: the vertical ring further comprises a connecting column (13) for connecting the two vertical ring straight line parts (11), the connecting column (13) divides the inner circle of the vertical ring into two oblong holes, one side end surface of the two vertical ring straight line parts (11) which are far away from each other is provided with an end arc surface (14), and the distance between the two end arc surfaces (14) is gradually increased from the middle of the vertical ring straight line parts (11) to two ends.
2. An arcuate reinforcing torus chain according to claim 1, wherein: the length of the flat ring straight line part (21) is longer than that of the vertical ring straight line part (11).
3. An arcuate reinforcing torus chain according to claim 1, wherein: the connecting column (13) is connected to the midpoint of the straight line part (11) of the standing ring.
4. An arcuate reinforcing torus chain according to claim 1, wherein: the outer ring of the flat ring is provided with a circle of extrusion plane (23), and the extrusion plane (23) is perpendicular to the plane of the flat ring.
5. An arcuate reinforcing torus chain according to claim 4, wherein: both sides of the flat ring are provided with a circle of annular extrusion grooves (24).
6. An arcuate reinforcing torus chain according to claim 5, wherein: the cross section of the annular extrusion groove (24) is rectangular, the depth of the annular extrusion groove (24) is 0.1-0.2 times of the diameter of the flat ring straight line part (21), and the width of the annular extrusion groove (24) is 0.3-0.4 times of the diameter of the flat ring straight line part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663473.7U CN220997966U (en) | 2023-10-07 | 2023-10-07 | Arc-shaped reinforced round-link chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663473.7U CN220997966U (en) | 2023-10-07 | 2023-10-07 | Arc-shaped reinforced round-link chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220997966U true CN220997966U (en) | 2024-05-24 |
Family
ID=91125272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322663473.7U Active CN220997966U (en) | 2023-10-07 | 2023-10-07 | Arc-shaped reinforced round-link chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220997966U (en) |
-
2023
- 2023-10-07 CN CN202322663473.7U patent/CN220997966U/en active Active
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