CN219791394U - Chain structure and V-shaped plate conveying chain - Google Patents
Chain structure and V-shaped plate conveying chain Download PDFInfo
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- CN219791394U CN219791394U CN202321133391.5U CN202321133391U CN219791394U CN 219791394 U CN219791394 U CN 219791394U CN 202321133391 U CN202321133391 U CN 202321133391U CN 219791394 U CN219791394 U CN 219791394U
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- chain
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- inner ring
- skirt
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- 238000007789 sealing Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 10
- 230000001050 lubricating effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Chain Conveyers (AREA)
Abstract
The utility model provides a chain structure and a V-shaped plate conveying chain, which relate to the technical field of conveying devices and comprise the following components: the inner chain link comprises inner chain plates which are arranged in parallel, wherein sleeves are arranged at two ends of one inner chain plate, the outer edge of each sleeve is sleeved with a roller, a first inner ring groove is formed in the inner surface of each roller, rollers which are axially arranged in the first inner ring groove are in rotary contact with the sleeve; the outer chain link comprises outer chain links which are arranged in parallel, pin holes are formed in two ends of each outer chain link, pin shafts are inserted into the pin holes and the sleeves to enable the inner chain link and the outer chain link to be alternately connected in a head-to-tail mode, when the rollers are assembled with the sleeves, the rollers, the sleeves and the rollers are in rotary contact, the original bearing function is maintained, meanwhile, the roller bearing is not required to adopt a roller pin retainer, the diameter of the roller pin is larger than that of the roller pin, rated load of a chain can be improved, the chain is suitable for running under various load conditions, and the chain bearing has great advantages especially in heavy load working conditions.
Description
Technical Field
The utility model relates to the technical field of conveying devices, in particular to a chain structure and a V-shaped plate conveying chain.
Background
The chain is formed by alternately connecting a plurality of inner chain links and outer chain links end to end in a hinged pair mode, and is commonly used for conveying materials. Referring to fig. 1, the inner link includes an inner link plate (11), a sleeve (12) and rollers (13), the sleeve (12) is fixed at both ends of the inner link plate (11), the rollers (13) are sleeved on the outer edges of the sleeve (12), and bearings (Q) are arranged between the rollers (13) and the sleeve (12).
Most of the existing bearings adopt stamping type outer ring needle roller bearings (Q), the defects of the bearings (Q) are obvious, firstly, the two ends of the bearings (Q) are not sealed, impurities such as dust and the like easily enter the bearings (Q) from the two ends of the bearings (Q) in the process of chain movement, dirt is formed by mixing the impurities with lubricating grease, and the bearings (Q) are blocked or blocked and do not fail too soon. The roller (13) slides on the track of the chain forcibly under the action of the traction force of the chain, so that abnormal abrasion of the roller (13) and the track is increased, running resistance is increased, and the chain and the track must be stopped for replacement when the situation is serious.
Secondly, the rolling needle in the bearing (Q) is slender, and when the load is large or the bearing (Q) is blocked and does not rotate, the rolling needle retainer is easy to damage, so that after the rolling needles are not required to be arranged, part of the rolling needles are broken radially, and the failure is caused, so that the service life of the chain is prolonged.
The V-shaped plate chain is commonly used for conveying cylindrical objects and comprises a V-shaped plate and a chain arranged on the lower surface of the V-shaped plate, wherein the cylindrical objects are horizontally arranged on inclined planes on two sides of the symmetry of the V-shaped plate (3), and the center of the cylindrical objects is kept to coincide with the center of the V-shaped plate (3) so that the cylindrical objects are always stably horizontally arranged on the chain during transportation.
The existing V-shaped plate is formed by processing thicker steel plates, the thickness of the steel plates is 10-14mm, the defects of heavy weight, more material consumption and processing procedures are overcome, and the defects of large deformation, high power consumption and the like when the rigidity is insufficient and vertical pressure load is born are overcome.
Based on the defects, the utility model provides a chain structure and a V-shaped plate conveying chain.
Disclosure of Invention
The utility model provides a chain structure, which aims to solve the problem that the existing chain is easy to block and even break a roller pin.
In order to achieve the above object, an embodiment of the present utility model provides a chain structure including:
the inner chain link comprises inner chain plates which are arranged in parallel, wherein sleeves are arranged at two ends of one inner chain plate, the outer edge of each sleeve is sleeved with a roller, a first inner ring groove is formed in the inner surface of each roller, rollers which are axially arranged along the rollers are arranged in the first inner ring groove, and the rollers rotate and are in rotary contact with the sleeves;
the outer chain links comprise outer chain plates which are arranged in parallel, pin holes are formed in the two ends of each outer chain plate, and pin shafts are inserted into the pin holes and the sleeves in an inserting mode so that the inner chain links and the outer chain links are alternately connected in an end-to-end mode.
Preferably, the inner surface of the roller is further provided with two second inner ring grooves, the two second inner ring grooves are respectively located at two sides of the first inner ring groove, and a sealing ring is arranged in the second inner ring groove.
Preferably, the sealing ring is a contact sealing ring.
Preferably, the height of the roller is smaller than the height of the first inner ring groove, and the difference between the roller and the first inner ring groove is 0.5mm.
The utility model also provides a V-shaped plate conveying chain, which aims to reduce the weight of the V-shaped plate and improve the rigidity. The utility model provides a V template conveyor chain adopts foretell chain structure, includes:
and the V-shaped plate is arranged on the inner chain link or the outer chain link.
Preferably, the V-shaped plate comprises a plate surface, a first skirt and a second skirt, wherein the first skirt and the second skirt are arranged around the plate surface, the first skirt is arranged along the length direction of the plate surface, the second skirt is arranged along the width direction of the plate surface, and a V-shaped angle is formed in the center of the plate surface.
Preferably, the length L of the plate surface is 200-1000mm, the width W of the plate surface is 45-60mm, the thickness T of the plate surface is 3-4mm, the height H of the first skirt is 18-28mm, and the height of the second skirt is 8-20mm.
Preferably, the V-shaped plate is integrally formed by compression molding.
The scheme of the utility model has the following beneficial effects:
in the utility model, the first inner ring groove is arranged on the inner surface of the roller, the roller is filled in the inner ring groove, and when the roller is assembled with the sleeve, the roller, the sleeve and the roller are in rotary contact, so that the original bearing function is maintained.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a prior art chain configuration and V-plate chain;
FIG. 2 is a cross-sectional view of the chain structure;
FIG. 3 is an axial side half cross-sectional view of the sleeve and roller;
FIG. 4 is a partial cross-sectional view of a V-shaped plate of the present utility model;
fig. 5 is a cross-sectional view taken along the direction A-A in fig. 4.
[ reference numerals description ]
11-inner chain plate, 12-sleeve, 13-roller, 131-first inner ring groove, 132-roller, 133-second inner ring groove, 134-sealing ring, 21-outer chain plate, 22-pin shaft, 3-V plate, 31-plate surface, 32-first skirt, 33-second skirt, theta-V angle and Q-bearing.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2-3, an embodiment of the present utility model provides a chain structure, including an inner link and an outer link, where the inner link includes two inner link plates 11 disposed in parallel, two ends of one inner link plate 11 along its length direction are respectively provided with a sleeve 12, a roller 13 is disposed on an outer edge of each sleeve 12, a first inner ring groove 131 is disposed on an inner surface of the roller 13, a central axis of the first inner ring groove 131 is coaxial with a central axis of the roller 13, a plurality of rollers 132 are disposed in the first inner ring groove 131, a rotation axis of the plurality of rollers 132 is the same as a rotation axis direction of the first inner ring groove 131, and the plurality of rollers 132 are arranged in an annular array. When the roller 13 is assembled with the sleeve 12, the roller 132 is in rotational contact with the sleeve 12, the roller 13, respectively, to reduce friction and provide support. The outer chain link comprises two outer chain plates 21 which are arranged in parallel, and two ends of each outer chain plate 21 are respectively provided with a pin hole. The chain structure further comprises a pin 22, wherein the pin 22 is inserted into the pin hole and the sleeve 12 so that the inner chain link and the outer chain form end-to-end alternate connection in the form of a revolute pair.
Preferably, the first inner ring groove 131 accommodates a plurality of rollers 132. The installation between the rollers 132, the sleeve 12 and the rollers 13 can refer to the national standard of bearings, and gaps between the rollers 132, between the rollers 132 and the rollers 13, 12 are filled with lubricating grease.
In this embodiment, the first inner ring groove 131 and the roller 132 replace the stamped outer ring needle bearing, so that the needle roller cage is not needed in the present utility model, and chain scrapping caused by breakage of the needle roller caused by the needle roller cage is avoided. On the other hand, the diameter of the roller 132 is larger than that of the needle roller, so that the radial shearing strength of the roller 132 is improved, and the probability of radial fracture of the roller 132 is avoided. Finally, the first inner ring groove 131 is filled with the roller 132, and the inner circle space of the roller 13 is fully utilized to improve the rated load.
Taking the diameter of the roller 132 as twice the diameter of the roller pin as an example, the radial shearing strength of the roller 132 is 4 times that of the roller pin, the bending strength is 16 times that of the roller pin, the maximum contact stress of the surface is reduced by 46%, and the probability of radial fracture of the roller pin 132 is greatly reduced.
Further, two second inner ring grooves 133 are further disposed on the inner surface of the roller 13, the two second inner ring grooves 133 are located on two sides of the first inner ring groove 131, the first inner ring groove 131 and the second inner ring groove 133 are coaxially disposed, and a sealing ring 134 is disposed in the second inner ring groove 133, and the sealing ring 134 is used for sealing a gap between the roller 13 and the sleeve 12. Preferably, the seal 134 is a contact seal.
Preferably, the height of the roller 132 is smaller than that of the first inner ring groove 131, and the difference is 0.5mm
In the embodiment, the sealing ring 134 is used for sealing the roller 13 and the sleeve 12, so that lubricating grease filled between the roller 13 and the sleeve 12 can be effectively prevented from overflowing, and the lubricating action time is prolonged; meanwhile, the sealing ring 134 can also prevent external dust from entering, so that blockage or blockage caused by dust and lubricating grease mixing is avoided.
As shown in fig. 2-5, the utility model also provides a V-shaped plate conveying chain, which adopts the chain structure and also comprises a V-shaped plate 3, wherein the V-shaped plate 3 is arranged on an inner chain link or an outer chain link. Specifically, the V-shaped board 3 includes a board surface 31, and a first skirt 32 and a second skirt 33 disposed around the board surface 31, wherein the first skirt 32 is disposed along a length direction of the board surface 31, the second skirt 33 is disposed along a width direction of the board surface 31, and the first skirt 32 and the second skirt 33 are sequentially connected to each other and form a groove-like structure below the board surface 31. A V-shaped angle θ is also formed in the center of the plate surface 31. The top end of the inner link plate 11 or the outer link plate 21 is connected to the plate surface 31.
In one embodiment, the length L of the panel 31 is 200-1000mm, the width W of the panel 31 is 45-60mm, the thickness T of the panel 31 is 3-4mm, the height H of the first skirt 32 is 18-28mm, and the height of the second skirt 33 is 8-20mm. Further, the V-shaped plate 3 is integrally formed by pressing, so that the first skirt 32 and the second skirt 33 are connected end to end.
The first skirt 32 and the second skirt 33 are connected end to end and are arranged on the plate surface 31, and the moment of inertia of the V-shaped plate 3 is improved by arranging the first skirt 32 and the second skirt 33, so that the rigidity of the V-shaped plate 3 is increased; while the end-to-end connection of the first skirt 32 and the second skirt 33 also further increases the rigidity of the V-shaped plate 3.
Test 1:
the V-shaped plate of the similar chain has the length of 800mm, the width of 55mm and the plate thickness of 12mm, and the weight of the V-shaped plate is about 4.6kg.
The V-shaped plate 3 of the present utility model has a length of 800mm, a width of 55mm, a plate thickness of 4mm, a height H of the first skirt 32 of 26mm, a height of the second skirt 33 of 15mm, and a weight of 2.9kg. Based on the above data, the weight of the V-shaped plate 3 of the present utility model was 63% of the weight of the same type of V-shaped plate.
Test 2:
based on the test 1, two groups of control tests are adopted, wherein the first group is the outer chain link and the V-shaped plate 3 provided by the utility model, the second group is the outer chain link and the V-shaped plate of the same type of chain, and the two groups of test are simulated to have compressive rigidity under the same vertical pressure load condition so as to compare the compressive deformation resistance of the two groups (the outer chain link is weak relative to the inner chain link, so that the test results of the outer chain link are selected to be more comparable).
In the test, vertical pressure loads of 200kg, 300kg, 400kg, 500kg and 600kg were applied to the two groups of structures, respectively, and the maximum design load in actual operation was 400kg, so that the maximum test load was 600kg for ensuring a design safety factor of 1.5 times. In the test, the first group deformation amounts were 47.4%, 49.5%, 51.2%, 52%, 52.6% and the average value was 50.5% of the second group deformation amounts were measured and calculated under the five corresponding load conditions, respectively.
As can be seen from test 2, the outer chain link and V-shaped plate 3 provided by the utility model is 63% of the weight of the outer chain link and V-shaped plate of the same type of chain, but has rigidity which is about 2 times that of the outer chain link and V-shaped plate, namely 2 times that of the outer chain link and V-shaped plate.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. A chain structure, comprising:
the inner chain link comprises inner chain plates (11) which are arranged in parallel, wherein sleeves (12) are arranged at two ends of one inner chain plate (11), a roller (13) is sleeved on the outer edge of each sleeve (12), a first inner ring groove (131) is formed in the inner surface of each roller (13), a roller (132) which is axially arranged along the roller (13) is arranged in each first inner ring groove (131), and the rollers (132) are in rotary contact with the sleeves (12);
the outer chain link comprises outer chain plates (21) which are arranged in parallel, pin holes are formed in the two ends of each outer chain plate (21), and pin shafts (22) are inserted into the pin holes and the sleeves (12) in an inserted mode so that the inner chain link and the outer chain link are alternately connected in an end-to-end mode.
2. The chain structure according to claim 1, wherein: the inner surface of the roller (13) is also provided with two second inner ring grooves (133), the two second inner ring grooves (133) are respectively positioned at two sides of the first inner ring groove (131), and a sealing ring (134) is arranged in the second inner ring groove (133).
3. The chain structure according to claim 2, wherein: the sealing ring (134) is a contact sealing ring.
4. The chain structure according to claim 1, wherein: the height of the roller (132) is smaller than that of the first inner ring groove (131), and the difference between the roller (132) and the first inner ring groove (131) is 0.5mm.
5. A V-shaped plate conveying chain employing the chain structure as claimed in any one of claims 1 to 4, comprising:
and the V-shaped plate (3) is arranged on the inner chain link or the outer chain link.
6. The V-plate conveyor chain according to claim 5, wherein: v-shaped plate (3) include face (31) and around the first skirt (32) and the second skirt (33) of face (31) setting, first skirt (32) are followed the length direction of face (31) is arranged, second skirt (33) are followed the width direction of face (31) is arranged, the center of face (31) is formed with V type angle.
7. The V-plate conveyor chain according to claim 6 wherein: the length L of the plate surface (31) is 200-1000mm, the width W of the plate surface (31) is 45-60mm, the thickness T of the plate surface (31) is 3-4mm, the height H of the first skirt (32) is 18-28mm, and the height of the second skirt (33) is 8-20mm.
8. The V-plate conveyor chain according to claim 6 wherein: the V-shaped plate (3) is integrally formed by pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133391.5U CN219791394U (en) | 2023-05-11 | 2023-05-11 | Chain structure and V-shaped plate conveying chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133391.5U CN219791394U (en) | 2023-05-11 | 2023-05-11 | Chain structure and V-shaped plate conveying chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219791394U true CN219791394U (en) | 2023-10-03 |
Family
ID=88152732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321133391.5U Active CN219791394U (en) | 2023-05-11 | 2023-05-11 | Chain structure and V-shaped plate conveying chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219791394U (en) |
-
2023
- 2023-05-11 CN CN202321133391.5U patent/CN219791394U/en active Active
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| GR01 | Patent grant |