CN209796549U - Symmetrical stepped roller chain for material conveying transmission - Google Patents
Symmetrical stepped roller chain for material conveying transmission Download PDFInfo
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- CN209796549U CN209796549U CN201920346177.5U CN201920346177U CN209796549U CN 209796549 U CN209796549 U CN 209796549U CN 201920346177 U CN201920346177 U CN 201920346177U CN 209796549 U CN209796549 U CN 209796549U
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Abstract
A symmetrical stepped roller chain for material conveying transmission comprises a symmetrical stepped roller, two inner chain plates and two outer chain plates which are symmetrically arranged on a transmission shaft, two baffle rings which are symmetrically arranged on a connecting shaft and are provided with square round holes and pin shaft holes, and two positioning pins which are symmetrically arranged on the connecting shaft; the inner chain plate and the outer chain plate are sequentially connected through symmetrical stepped rollers, and a set of chain links are formed by the two symmetrical stepped rollers, the two inner chain plates, the two outer chain plates, the four baffle rings and the four positioning pins; the symmetrical stepped roller of one chain link and the other end of the outer chain plate of another chain link are assembled to form a plurality of chain links, and the plurality of chain links are connected end to form a symmetrical stepped roller chain. The utility model discloses firm in connection, bearing capacity is big, and the installation is convenient with the dismantlement, long service life, and the environmental protection, revolute pair material self clearance, long service life. The chain-driven scraper conveyer can be widely applied to low-speed heavy-load conveyers with bad conveying conditions and materials easily entering a chain revolute pair, and is particularly applied to scraper conveyers.
Description
Technical Field
The invention relates to a symmetrical stepped roller chain for material conveying transmission, which can be widely applied to a low-speed heavy-load conveyor with bad conveying working conditions and easy entry of materials into a chain revolute pair, in particular to a scraper conveyor.
Background
the existing material conveying equipment drags the bearing body by a chain and realizes the conveying of materials by the bearing body. In the existing chain, the pin shaft and the chain plate are positioned by additionally arranging the sleeve or the roller, and when the direction is changed for transmission, the pin shaft and the chain plate, the sleeve or the roller form relative rotation, so that materials easily enter a revolute pair to cause abrasion. The location of round pin axle relies on shearing the locating pin usually, receives size restriction, and locating pin intensity is low, and the location is damaged easily, causes the chain trouble. In order to improve the positioning reliability, some chains are welded after being assembled, but the chains are difficult to overhaul and replace, and the destructive dismantling can cause waste.
Disclosure of Invention
the invention aims to provide a material conveying transmission symmetrical stepped roller chain which is firm in connection, large in bearing capacity, convenient to mount and dismount, long in service life, environment-friendly, capable of cleaning materials of a revolute pair and long in service life.
In order to achieve the aim, the material conveying transmission symmetrical stepped roller chain comprises a stepped transmission positioning shaft, transmission shafts, a connecting shaft, a symmetrical stepped roller shaft, two inner chain plates, two outer chain plates, two baffle rings and two positioning pins, wherein the middle part of the stepped transmission positioning shaft is used for inner chain plate transmission positioning; the inner chain plate and the outer chain plate are sequentially connected through symmetrical stepped rollers, and a set of chain links are formed by the two symmetrical stepped rollers, the two inner chain plates, the two outer chain plates, the four baffle rings and the four positioning pins; the symmetrical stepped roller of one chain link and the other end of the outer chain plate of another chain link are assembled to form a plurality of chain links, and the plurality of chain links are connected end to form a symmetrical stepped roller chain.
According to the symmetrical stepped roller chain for material conveying transmission, the baffle ring is arranged from the side surface of the connecting shaft of the symmetrical stepped roller and then rotates 90 degrees, the pin shaft hole of the baffle ring is aligned with the pin shaft hole of the symmetrical stepped roller, and then the baffle ring is arranged on the connecting shaft through the positioning pin.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an inner chain plate is a flat plate, a pair of long round holes are symmetrically arranged on two sides of the flat plate, and an opening is formed in the middle of the flat plate; the diameter of the long round hole is equal to that of the transmission shaft.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an inner chain plate is provided with a long circular hole, and two half cylindrical cambered surfaces at two ends of the long circular hole are connected with a middle plane.
The inner chain plate is partially provided with a T-shaped inner chain plate with an H-shaped bulge and used for connecting the bearing plates, the two ends of the T-shaped inner chain plate are provided with long round holes, the diameter of each long round hole is equal to that of the transmission shaft, and the H-shaped bulge is provided with a bearing plate connecting hole.
The inner chain plates are all T-shaped inner chain plates which are provided with H-shaped protrusions and used for connecting the bearing plates, the two ends of each T-shaped inner chain plate are provided with long circular holes, the diameters of the long circular holes are equal to the diameter of the transmission shaft, and the H-shaped protrusions are provided with bearing plate connecting holes.
The distance between the side faces of the square and circular shaft shoulders of the symmetrical stepped roller is equal to the diameter of the connecting shaft of the symmetrical stepped roller.
The stop ring has the diameter of a square round hole which is equal to the diameter of a square round shaft shoulder of the symmetrical stepped roller, and the plane distance of the square round hole is equal to the side distance of the symmetrical stepped roller.
When the symmetrical stepped roller and the inner chain plate work, the axial surface of the symmetrical stepped roller is contacted with a half cylindrical cambered surface of the inner chain plate, the other half axial surface is not contacted, and materials entering the rotating pair can be smoothly discharged from a middle gap.
According to the symmetrical stepped roller chain for material conveying transmission, the T-shaped inner chain plates are used for mounting bearing plates, the number is set according to the conveying requirement of a conveyor, and the T-shaped inner chain plates can be symmetrically arranged according to chains or arranged on one side; the T-shaped inner chain plates can be adopted completely or partially.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein a symmetrical stepped roller square round body is a structure body which is remained after a cylinder is cut by two planes which are parallel to the symmetrical axis of the cylinder, and the end surface projection of the symmetrical stepped roller square round body is a whole circle and two arches are removed.
The symmetrical stepped roller shaft chain for material conveying transmission is designed to be a symmetrical structure and is a symmetrical stepped special-shaped cylindrical shaft with a thick middle part and thin two ends. The two ends of the connecting shaft are square round bodies, the inner side of each square round body is a connecting shaft, at least one pin shaft hole is formed in each connecting shaft, the pin shaft holes are preferably arranged on the square plane of each square round body, and a transmission shaft and a step type transmission positioning shaft are arranged on the inner side of each connecting shaft.
the radial positions of the baffle ring and the pin shaft hole of the symmetrical stepped roller are not limited to the structure of the invention, and the baffle ring and the pin shaft hole can also rotate 90 degrees according to the structure and can also rotate in any direction of the circumference radial direction. But is not beneficial to processing and manufacturing and has higher cost.
According to the symmetrical stepped roller chain for material conveying transmission, the long round holes at two ends of the inner chain plate are used for penetrating the symmetrical stepped rollers, so that transmission is realized. The opening in the middle of the inner chain plate is positioned between the two long circular holes, the weight of the chain plate can be reduced by the opening, and the chain plate can be used as a process hole or a connecting hole.
The positioning pin can adopt a cylindrical pin, or can adopt a standard pin shaft and a cotter pin.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an outer chain plate is a symmetrical flat plate with a pair of long round holes. The structural shape of the inner chain plate is preferably the same as that of the inner chain plate, thereby being beneficial to standardized production.
The invention relates to a material conveying transmission symmetrical step roller chain, wherein an H-shaped convex part of a T-shaped inner chain plate is at least provided with a connecting hole for connecting a scraper or other bearing plates. The two flange edges and the holes of the H-shaped projection are used for positioning the carrier plate, so that a reliable connection is achieved.
According to the symmetrical stepped roller chain for material conveying transmission, the positioning pins only prevent the stop ring from rotating, namely only position the stop ring. The baffle ring is a special-shaped ring which is in a square and round hole shape with an inner contour, a cylinder shape with an outer contour and at least provided with a pin shaft hole in the radial direction. The basic size of the square round hole of the inner outline of the baffle ring hole is the same as that of the square round bodies at the two ends of the symmetrical stepped rolling shaft, and a certain matching tolerance can be set for meeting the assembly performance; and the position of the pin shaft hole of the retaining ring has a certain relation with the pin shaft holes of the symmetrical stepped roller shaft, so that the retaining ring can rotate by 90 degrees after being installed in the shaft head of the symmetrical stepped roller shaft, the centers of the two pin shaft holes are aligned, and the retaining ring is positioned after the positioning pin is installed. This structure guarantees that the axial positioning of symmetry ladder roller bearing is realized by fender ring and symmetry ladder roller bearing self side circle body shaft shoulder, relies on the locating pin to cut the diametric plane fixed than the tradition, has bigger shear plane, so firm in connection, bearing capacity is big.
The material conveying transmission symmetrical stepped roller chain adopts a connecting structure of the baffle ring and the pin shaft to realize axial positioning. The inner contour surface of the baffle ring is a square round body, the diameter of the inner contour surface is equal to the diameter of the axle shoulder of the square round body of the symmetrical stepped roller, and the plane distance of the inner contour surface is equal to the side distance of the symmetrical stepped roller. This structure makes and keeps off the ring and can adorn symmetry ladder roller bearing, then rotates 90 and makes the round pin shaft hole of keeping off ring and symmetry ladder roller bearing align and adorn the locating pin, then keeps off the ring and receives the location of symmetry ladder roller bearing both sides circle body shaft shoulder, can not take place axial displacement, firm in connection, installation and dismantlement convenience.
The symmetrical stepped roller chain for material conveying transmission is characterized in that the basic diameters of the oblong holes of the inner chain plate and the outer chain plate are equal to the shaft diameter of the transmission shaft of the symmetrical stepped roller. The structure can ensure that the symmetrical stepped roller and the inner and outer chain plates are in cylindrical surface contact, the acting surface is increased, the stress is reduced, and the service life is long.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein a transmission shaft of a symmetrical stepped roller does not have a rotation limit and can freely rotate with an inner chain plate and an outer chain plate. The inner chain plate and the outer chain plate are provided with the long round holes, namely, the inner chain plate and the outer chain plate are in cambered surface contact with the symmetrical stepped rollers by 180 degrees, and the other half of the symmetrical stepped rollers are not in axial surface contact, so that materials entering the revolute pair can be discharged smoothly, and continuous abrasion of the materials to the revolute pair is avoided. Therefore, the revolute pair materials are cleaned, and the service life is long.
The symmetrical stepped roller chain for material conveying transmission has the advantages that all parts are machined, assembled and used, the whole process is free of welding, welding smoke pollution is avoided, and the chain is environment-friendly.
In conclusion, the symmetrical stepped roller chain for material conveying transmission is firm in connection, high in bearing capacity, convenient to mount and dismount, long in service life, environment-friendly, long in service life and long in service life, and materials of revolute pairs can be cleaned.
Drawings
The invention will be further described with reference to the accompanying drawings and examples thereof.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of an inner link plate of FIG. 1;
FIG. 4 is a schematic view of another inner link plate structure of FIG. 1;
FIG. 5 is a schematic view of the symmetrical stepped roller configuration of FIG. 1;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic view of the T-shaped inner link plate of FIG. 1;
Fig. 8 is a cross-sectional view of the retainer ring structure of fig. 1.
Detailed Description
In fig. 1 to 8, the material conveying transmission symmetrical stepped roller chain of the present invention includes a stepped transmission positioning shaft a in the middle for inner chain plate transmission positioning, transmission shafts b provided at both sides of the stepped transmission positioning shaft, a symmetrical stepped roller 1 provided at the end with a connecting shaft d having a pin shaft hole c and a square circular shaft shoulder e, two inner chain plates 2 and two outer chain plates 3 symmetrically mounted on the transmission shafts, two retainer rings 4 symmetrically mounted on the connecting shaft and having a square circular hole f and a pin shaft hole g, and two positioning pins 5 symmetrically mounted on the connecting shaft; the inner chain plate and the outer chain plate are sequentially connected through symmetrical stepped rollers, and a set of chain links are formed by the two symmetrical stepped rollers, the two inner chain plates, the two outer chain plates, the four baffle rings and the four positioning pins; the symmetrical stepped roller of one chain link and the other end of the outer chain plate of another chain link are assembled to form a plurality of chain links, and the plurality of chain links are connected end to form a symmetrical stepped roller chain.
according to the symmetrical stepped roller chain for material conveying transmission, the baffle ring is arranged from the side surface of the connecting shaft of the symmetrical stepped roller and then rotates 90 degrees, the pin shaft hole g of the baffle ring is aligned with the pin shaft hole c of the symmetrical stepped roller, and then the baffle ring is arranged on the connecting shaft through the positioning pin.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an inner chain plate is a flat plate, a pair of long circular holes h are symmetrically formed in two sides of the flat plate, and an opening k is formed in the middle of the flat plate; diameter of oblong hole phi1Equal to the diameter of the drive shaft2。
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an inner chain plate is provided with a long circular hole, and two half cylindrical cambered surfaces m at two ends of the long circular hole are connected with a middle plane n.
the invention relates to a material conveying transmission symmetrical stepped roller chain, wherein an inner chain plate is a T-shaped inner chain plate 6 which is partially provided with an H-shaped bulge p and used for connecting a bearing plate, two ends of the T-shaped inner chain plate are provided with oblong holes, and the diameter phi of each oblong hole is1Equal to the diameter of the drive shaft2And the H-shaped bulge part is provided with a bearing plate connecting hole q.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein inner chain plates are all arranged into T-shaped inner chain plates with H-shaped protrusions and used for connecting bearing plates, two ends of each T-shaped inner chain plate are provided with oblong holes, and the diameters phi of the oblong holes1Equal to the diameter of the drive shaft2And the H-shaped bulge part is provided with a bearing plate connecting hole.
The invention relates to a material conveying transmission symmetrical stepped roller chain, wherein the distance H between the side faces of a square shaft shoulder of a symmetrical stepped roller is1Is equal to the diameter D of the connecting shaft1。
The invention relates to a material conveying transmission symmetrical step roller chain, wherein a stop ring has a square and round hole diameter D2Diameter D of square shaft shoulder of symmetrical stepped roller3equal to the square and round hole plane distance H2distance H from side surface of symmetrical step roller1Are equal.
According to the symmetrical stepped roller shaft chain for material conveying transmission, the symmetrical stepped roller shaft and the inner chain plate are in working, the shaft surface of the symmetrical stepped roller shaft is in contact with the half cylindrical cambered surface m of the inner chain plate, the other half shaft surface is not in contact, and materials entering the rotating pair can be smoothly discharged from a middle gap.
It should be understood that the above-described embodiments are merely exemplary of the present invention, and that various changes and modifications in the form, construction, features and spirit of the invention described in the claims should be included in the scope of the invention.
Claims (9)
1. A material conveying transmission symmetrical stepped roller chain is characterized by comprising a stepped transmission positioning shaft, transmission shafts, symmetrical stepped rollers, two inner chain plates, two outer chain plates, two baffle rings and two positioning pins, wherein the middle part of the stepped transmission positioning shaft is used for inner chain plate transmission positioning; the inner chain plate and the outer chain plate are sequentially connected through symmetrical stepped rollers, and a set of chain links are formed by the two symmetrical stepped rollers, the two inner chain plates, the two outer chain plates, the four baffle rings and the four positioning pins; the symmetrical stepped roller of one chain link and the other end of the outer chain plate of another chain link are assembled to form a plurality of chain links, and the plurality of chain links are connected end to form a symmetrical stepped roller chain.
2. The material conveying transmission symmetrical stepped roller chain as claimed in claim 1, wherein the retainer ring is installed from the side of the connecting shaft of the symmetrical stepped roller and then rotated 90 degrees, and the pin shaft hole of the retainer ring is aligned with the pin shaft hole of the symmetrical stepped roller and then installed on the connecting shaft through a positioning pin.
3. The material conveying and driving symmetrical stepped roller chain as claimed in claim 1, wherein the inner chain plate is a flat plate, a pair of long circular holes are symmetrically formed in two sides of the flat plate, and an opening is formed in the middle of the flat plate; the diameter of the long round hole is equal to that of the transmission shaft.
4. The material conveying and transmission symmetrical stepped roller chain according to claim 1, wherein the inner chain plate is provided with a long circular hole, and two half cylindrical cambered surfaces at two ends of the long circular hole are connected with the middle plane.
5. The material conveying transmission symmetrical stepped roller chain according to claim 1, wherein the inner chain plate is a T-shaped inner chain plate which is partially provided with an H-shaped protrusion and used for connecting the bearing plates, the two ends of the T-shaped inner chain plate are provided with oblong holes, the diameter of the oblong holes is equal to that of the transmission shaft, and the H-shaped protrusion part is provided with a bearing plate connecting hole.
6. The material conveying transmission symmetrical stepped roller chain according to claim 1, wherein the inner chain plates are all T-shaped inner chain plates which are provided with H-shaped protrusions and used for connecting the bearing plates, the two ends of each T-shaped inner chain plate are provided with oblong holes, the diameter of each oblong hole is equal to that of the transmission shaft, and the H-shaped protrusions are provided with bearing plate connecting holes.
7. The material conveying and driving symmetrical stepped roller chain as set forth in claim 1, wherein the distance between the shoulders of said symmetrical stepped rollers is equal to the diameter of the connecting shaft.
8. The material conveying and driving symmetrical stepped roller chain as claimed in claim 1, wherein the stop ring has a square hole with a diameter equal to that of the square shoulder of the symmetrical stepped roller and a square hole with a plane distance equal to that of the side of the symmetrical stepped roller.
9. The material conveying and driving symmetrical stepped roller chain as claimed in claim 1, wherein the symmetrical stepped rollers and the inner chain plates are such that, in operation, the axial surfaces of the symmetrical stepped rollers contact with one half of the cylindrical arc surface of the inner chain plate, and the other half of the axial surfaces do not contact, so that material entering the revolute pair can be smoothly discharged from the middle gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346177.5U CN209796549U (en) | 2019-03-19 | 2019-03-19 | Symmetrical stepped roller chain for material conveying transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346177.5U CN209796549U (en) | 2019-03-19 | 2019-03-19 | Symmetrical stepped roller chain for material conveying transmission |
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| CN209796549U true CN209796549U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920346177.5U Active CN209796549U (en) | 2019-03-19 | 2019-03-19 | Symmetrical stepped roller chain for material conveying transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823771A (en) * | 2019-03-19 | 2019-05-31 | 青岛达能环保设备股份有限公司 | Material conveyance roller bearing chain |
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2019
- 2019-03-19 CN CN201920346177.5U patent/CN209796549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823771A (en) * | 2019-03-19 | 2019-05-31 | 青岛达能环保设备股份有限公司 | Material conveyance roller bearing chain |
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