CN117345814A - Tooth-shaped chain system of sealing ring - Google Patents
Tooth-shaped chain system of sealing ring Download PDFInfo
- Publication number
- CN117345814A CN117345814A CN202311463067.4A CN202311463067A CN117345814A CN 117345814 A CN117345814 A CN 117345814A CN 202311463067 A CN202311463067 A CN 202311463067A CN 117345814 A CN117345814 A CN 117345814A
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- China
- Prior art keywords
- chain
- sealing ring
- tooth
- guide plate
- lubricating
- Prior art date
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- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 29
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 7
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/04—Toothed chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/12—Chain links
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/30—Chain-wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/05—Features relating to lubrication or cooling or heating of chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The sealing ring toothed chain system comprises a sealing ring toothed chain and a self-lubricating chain wheel which are matched with each other, wherein the sealing ring toothed chain comprises a plurality of inner chain links and outer chain links which are alternately connected, sealing rings are arranged between the inner chain links and the outer chain links, guide plates are arranged on the inner chain links, and each guide plate comprises a conventional material guide plate and a carbon fiber guide plate; the self-lubricating chain wheel comprises a large chain wheel and a small chain wheel, and the large chain wheel and the small chain wheel are in transmission connection with the sealing ring toothed chain. The invention not only solves the problem of large transmission noise of the roller chain, but also improves the wear resistance of the toothed chain under the working condition of poor lubrication. The self-lubricating sprocket adopts the scheme that the central groove is coated with rubber (namely a damping rubber ring) and the graphite ring is embedded in a specific position, so that the noise is further reduced, and the maintenance-free performance and the service life of the whole system are improved.
Description
Technical Field
The invention belongs to the technical field of chain transmission, and particularly relates to a sealing ring toothed chain system.
Background
At present, the specification of the roller chain is increased along with the extension of the motorcycle market to the field of large displacement, but the problems of large noise, unstable transmission and the like caused by the large-specification roller chain are also more and more prominent. Accordingly, more and more users are beginning to try to use belt drive systems.
The belt transmission system has the advantages of being relatively obvious in noise aspect due to the fact that the belt has contact elasticity and can buffer and absorb vibration. However, the problem that the starting, rapid acceleration and power are slow and the non-paved road surface is easy to fail due to the elastic advantage of the belt inevitably exists, and the experience requirements of most motorcycle lovers cannot be met.
In order to solve the problems of large noise and unstable transmission of the roller chain, another type of toothed chain transmission is adopted in the field of chain transmission. The toothed chain is widely applied to timing systems and oil pump systems of automobile engines, and meshed transmission is carried out by virtue of point contact between chain plates and gear teeth, so that the problems of meshed vibration and noise are greatly reduced, but the toothed chain is only suitable for the application fields of tightness and sufficient lubrication and cannot meet the severe working condition of an external driving chain of a motorcycle.
Therefore, the development of a novel transmission form with abundant roller chain transmission acceleration power and low noise of belt transmission and toothed chain transmission becomes a technical problem to be solved in the chain transmission industry.
Disclosure of Invention
The invention discloses a sealing ring toothed chain system, which is provided with a sealing ring toothed chain and a self-lubricating chain wheel. The special sleeve tooth-shaped chain structure of the tooth-shaped chain of the sealing ring not only solves the problem of large transmission noise of the roller chain, but also improves the wear resistance of the tooth-shaped chain under the working condition of poor lubrication. The self-lubricating sprocket adopts the scheme that the central groove is coated with rubber (namely a damping rubber ring) and the graphite ring is embedded in a specific position, so that the noise is further reduced, and the maintenance-free performance and the service life of the whole system are improved.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the sealing ring tooth-shaped chain system comprises a sealing ring tooth-shaped chain and a self-lubricating chain wheel which are matched with each other, wherein the sealing ring tooth-shaped chain comprises a plurality of inner chain links and outer chain links which are alternately connected, sealing rings are arranged between the inner chain links and the outer chain links, guide plates are arranged on the inner chain links, and each guide plate comprises a conventional material guide plate and a carbon fiber guide plate; the self-lubricating chain wheel comprises a large chain wheel and a small chain wheel, wherein the large chain wheel and the small chain wheel are in transmission connection with a sealing ring toothed chain, an inner single section containing a conventional material guide plate is L1, an inner single section containing a carbon fiber guide plate is L2, and when the number of teeth of the small chain wheel is less than 15 teeth, the assembly sequence of inner chain links of the sealing ring toothed chain is as follows: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 15 teeth and less than 25 teeth, the assembly sequence is: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 25 teeth, the assembly sequence is: l1, L2, L1, L2 ….
Preferably, the inner chain link comprises inner tooth-shaped chain plates, guide plates and sleeves, wherein the guide plates are arranged between the 2 inner tooth-shaped chain plates, the inner tooth-shaped chain plates are opposite to the mounting holes of the guide plates one by one, the sleeves penetrate through the one-to-one opposite mounting holes, the sleeves are respectively in interference fit with the inner tooth-shaped chain plates and the mounting holes of the guide plates, and the inner tooth-shaped chain plates are tightly attached to the guide plates.
Preferably, the outer chain link include external tooth shape link joint, round pin axle, the round pin axle run through the sleeve, 2 mounting holes of external tooth shape link joint respectively with adjacent interior chain link's homonymy round pin axle tip interference fit, round pin axle and sleeve clearance fit, sleeve tip overcoat between external tooth shape link joint and internal tooth shape link joint be equipped with the sealing washer, the both ends of sealing washer closely laminate with external tooth shape link joint internal surface and internal tooth shape link joint surface respectively, telescopic tip and external tooth shape link joint internal surface clearance fit.
Preferably, the inner side of the conventional material guide plate is provided with an arc tooth profile, two sides of the arc tooth profile are symmetrically provided with inwards concave guide angles, and the height H of the guide angles and the hole center height H of the guide plate mounting hole meet the following relation: h= (10% -20%) ×h, the guide angle width w and the nominal chain pitch p satisfy the relationship: w= (1/3-1/2) p.
Preferably, the carbon fiber guide plate is of a B-type structure, and the height of the carbon fiber guide plate is 70% -85% of that of a conventional material guide plate.
Preferably, the sealing ring is a fluororubber sealing ring, and graphite and molybdenum disulfide solid lubricating materials are added into components forming the sealing ring, wherein the mass fraction of the graphite material is 2% -4%, and the mass fraction of the molybdenum disulfide material is 2% -5%.
Preferably, the self-lubricating sprocket comprises a sprocket body, a guide groove matched with a guide plate is coaxially arranged in the middle of the outer edge of the sprocket body, a damping rubber ring is formed in the guide groove through rubber coating, and a graphite ring coaxial with the sprocket body is inlaid at the position of a sealing ring toothed chain corresponding to the transmission connection of the self-lubricating sprocket on the teeth of the sprocket body.
Preferably, the thickness of the graphite ring is 1-1.2 times of the thickness of the sealing ring.
The tooth-shaped chain system of the sealing ring has the beneficial effects that:
1. the invention takes advantages of chain transmission and belt transmission into consideration, adopts the structure form of matching the sealing ring toothed chain with the self-lubricating chain wheel, reduces transmission noise, maintains the transmission capacity of the chain transmission, improves the wear resistance of the toothed chain, and simultaneously enables the toothed chain to be applied to a motorcycle chain system with severe use environment.
2. The invention designs the B-type carbon fiber guide plate, and the arc tooth profile and the guide angle are arranged on the conventional material guide plate, so that the trend of light weight of the chain system is satisfied, the second-order vibration reduction effect is realized, and the wear resistance and the silencing performance of the chain system are further improved.
3. The invention optimizes the material quality of the existing sealing ring and enhances the self-lubricating property of the sealing ring. The chain wheel adopts the scheme of rubber coating and graphite ring embedding, so that the meshing stability of the chain system is enhanced, the lubricating performance is improved, the noise is reduced, and the service performance of the chain system is improved as a whole.
4. The invention aims at small chain wheels with different teeth numbers, is matched with the sealing ring toothed chain which is assembled according to a certain rule and comprises the inner chain links of the conventional material guide plate and the carbon fiber guide plate, obviously reduces the weight of the whole chain on the premise of not influencing the meshing transmission and the strength of the whole chain of the chain system, and meets the requirement of light weight in the market.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an assembly view (a is a top view and b is a front view) of the seal ring toothed chain of the present invention.
Fig. 3 is a schematic diagram of an inner link structure of the seal ring toothed chain of the present invention.
FIG. 4 is a schematic view of a conventional material guide plate according to the present invention.
FIG. 5 is a schematic view of a B-type carbon fiber guide plate according to the present invention.
FIG. 6 is a schematic view of the assembly of various inner single segment arrangements of the present invention.
FIG. 7 is a schematic view of the self-lubricating sprocket of the present invention.
Reference numerals: 1-sealing ring toothed chain, 1-1-sealing ring, 1-2-internal tooth chain plate, 1-3-guide plate, 1-3-1-guide angle, 1-3-2-circular arc tooth profile, 1-4-sleeve, 1-5-external tooth chain plate, 2-self-lubricating sprocket, 2-1-graphite ring and 2-2-vibration damping rubber ring.
Detailed Description
The following description is of the preferred embodiments of the invention and is not intended to limit the scope of the invention, but is intended to cover any modifications, equivalents, and improvements within the spirit and principles of the invention.
Example 1
The sealing ring toothed chain system comprises a sealing ring toothed chain 1 and a self-lubricating chain wheel 2 which are matched with each other, wherein the sealing ring toothed chain 1 comprises a plurality of inner chain links and outer chain links which are alternately connected, a sealing ring 1-1 is arranged between the inner chain links and the outer chain links, a guide plate 1-3 is arranged on the inner chain links, and the guide plate 1-3 comprises a conventional material guide plate and a carbon fiber guide plate; the self-lubricating sprocket comprises a large sprocket and a small sprocket, the large sprocket and the small sprocket are in transmission connection with a sealing ring toothed chain, an inner single section containing a conventional material guide plate is L1, an inner single section containing a carbon fiber guide plate is L2, and when the number of teeth of the small sprocket is less than 15 teeth, the assembly sequence of inner links of the sealing ring toothed chain 1 is as follows: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 15 teeth and less than 25 teeth, the assembly sequence is: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 25 teeth, the assembly sequence is: l1, L2, L1, L2 ….
In this embodiment, the large sprocket is identical to the small sprocket in structure, with only the difference in size.
When the number of teeth of the small chain wheel is less than 15 teeth, the assembly sequence of the inner chain links of the sealing ring toothed chain 1 is as follows: l1, L2, L1, L2 …, ensure that when the number of teeth of the small chain wheel is less than 15 teeth, a sufficient number of conventional material guide plates are positioned in the guide grooves of the chain wheel, so that chain disengagement is avoided. Meanwhile, the guiding positioning and transmission of the whole chain system operation are not affected.
When the number of teeth of the small chain wheel is more than 15 teeth and less than 25 teeth, the assembly sequence is as follows: l1, L2, L1 and L2 … ensure that when the number of teeth of the small chain wheel is more than 15 teeth and less than 25 teeth, a sufficient number of conventional material guide plates are positioned in the guide grooves of the chain wheel, so that chain detachment is avoided. Meanwhile, the guiding positioning and transmission of the whole chain system operation are not affected.
When the number of teeth of the small chain wheel is more than 25 teeth, the assembly sequence is as follows: l1, L2, L1, L2 and L2 … ensure that when the number of teeth of the small chain wheel is more than 25 teeth, a sufficient number of conventional material guide plates are positioned in the guide grooves of the chain wheel, so that chain disengagement is avoided. Meanwhile, the guiding positioning and transmission of the whole chain system operation are not affected.
In the embodiment, according to the different sizes and physical characteristics of the conventional material guide plate and the carbon fiber guide plate, the specification and the specific structure of the small chain wheel are combined, the physical rule in the chain transmission process is followed, and the effect of light weight of the tooth-shaped chain of the sealing ring is realized while the stable operation of the chain system is realized.
Example 2
Based on example 1, this example discloses:
as shown in fig. 1 and 3, the inner chain link comprises inner toothed chain plates 1-2, guide plates 1-3 and sleeves 1-4, wherein the guide plates 1-3 are arranged between the inner toothed chain plates 1-2, the inner toothed chain plates 1-2 are opposite to the mounting holes of the guide plates 1-3 one by one, the sleeves 1-4 penetrate through the mounting holes which are opposite one by one, the sleeves 1-4 are respectively in interference fit with the inner toothed chain plates 1-2 and the mounting holes of the guide plates 1-3, and the inner toothed chain plates 1-2 are tightly attached to the guide plates 1-3.
Example 3
Based on example 2, this example discloses:
as shown in fig. 2, the outer chain link comprises an outer toothed chain plate 1-5 and a pin shaft, the pin shaft penetrates through a sleeve 1-4,2 mounting holes of the outer toothed chain plate 1-5 are respectively in interference fit with the end parts of pin shafts on the same side of the adjacent inner chain link, the pin shaft is in clearance fit with the sleeve, a sealing ring 1-1 is sleeved outside the end part of the sleeve between the outer toothed chain plate and the inner toothed chain plate, two ends of the sealing ring 1-1 are respectively in tight fit with the inner surface of the outer toothed chain plate 1-5 and the outer surface of the inner toothed chain plate 1-2, and the end part of the sleeve 1-4 is in clearance fit with the inner surface of the outer toothed chain plate 1-5.
The sealing ring can prevent sand and dust from entering the hinge pair between the shaft sleeves, so that abrasive particle abrasion failure is generated. In addition, the loss of lubricating oil can be avoided, and the maintenance-free performance of the chain is enhanced.
Example 4
Based on example 3, this example discloses:
as shown in fig. 1, 2, 3 and 4, the inner side of the conventional material guide plate is provided with an arc tooth profile 1-3-2, two sides of the arc tooth profile 1-3-2 are symmetrically provided with inward concave guide angles 1-3-1 (only the front guide angle and the back guide angle are drawn in the figure), and as shown in fig. 4, the height H of the guide angles 1-3-1 and the hole center height H of the guide plate mounting hole satisfy the relation: h= (10% -20%) ×h, the guide angle width w and the nominal chain pitch p satisfy the relationship: w= (1/3-1/2) p.
In the embodiment, the guiding angles 1-3-1 which are concave inwards are arranged on the two sides of the circular arc tooth profile 1-3-2, so that the vibration damping rubber ring 2-2 can be contacted and extruded in the process of meshing with the self-lubricating sprocket, the circular arc tooth profile plays a role in primary vibration damping and noise reduction in the extrusion process, and the guiding angles are contacted with the vibration damping rubber ring 2-2 along with the sinking of the circular arc tooth profile into the vibration damping rubber ring 2-2, so that the secondary vibration damping and noise reduction effects are realized. The mute performance of the chain system can be obviously improved through the secondary vibration reduction and noise reduction.
Example 5
Based on example 4, this example discloses:
as shown in fig. 1, 2, 3 and 5, the carbon fiber guide plate is of a B-type structure, and the height of the carbon fiber guide plate is 70-85% of that of a conventional material guide plate. The design can realize the equal strength of the carbon fiber guide plate along the vertical direction of the hole center distance and the conventional material guide plate while being as light as possible.
Example 6
Based on example 5, this example discloses:
as shown in fig. 1 and 2, the sealing ring 1-1 is a fluororubber sealing ring, and graphite and molybdenum disulfide solid lubricating materials are added into components forming the sealing ring, wherein the mass fraction of the graphite material is 2% -4%, and the mass fraction of the molybdenum disulfide material is 2% -5%.
In the embodiment, the friction and wear performance of the fluororubber sealing ring can be improved, the friction coefficient is reduced, and the service life of the fluororubber sealing ring is prolonged by adding graphite and molybdenum disulfide solid lubricating materials.
Example 7
Based on example 6, this example discloses:
as shown in fig. 7, the self-lubricating sprocket 2 comprises a sprocket body, a guide groove matched with a guide plate 1-3 is coaxially arranged in the middle of the outer edge of the sprocket body, a damping rubber ring 2-2 is formed in the guide groove through encapsulation, and a graphite ring 2-1 coaxial with the sprocket body is embedded at a position on a gear tooth of the sprocket body corresponding to a sealing ring 1-1 of a sealing ring toothed chain 1 in transmission connection with the sprocket body.
As shown in fig. 2 and 7, the thickness of the graphite ring 2-1 is 1-1.2 times that of the sealing ring 1-1.
In this embodiment, in the running process of the chain system, the mutual impact between the seal ring toothed chain and the self-lubricating sprocket causes the micro powder of the graphite ring 2-1 to splash, and then the contact part of the seal ring toothed chain and the self-lubricating sprocket is automatically lubricated, so that the noise is further reduced through lubrication, and the transmission effect is improved. Meanwhile, a part of micro powder is released between the inner tooth-shaped chain plate and the outer tooth-shaped chain plate, wherein some micro powder covers the surface of the sealing ring, and in the processes of continuous contact and extrusion deformation of the sealing ring and the inner tooth-shaped chain plate and the outer tooth-shaped chain plate, the micro powder enters the contact surface of the sealing ring and the inner tooth-shaped chain plate and the outer tooth-shaped chain plate, and then enters the contact surface of the sealing ring and the sleeve, so that deep lubrication is provided for the tooth-shaped chain of the sealing ring.
The damping rubber ring 2-2 in the embodiment is matched with the guide plate to provide guidance for the chain system, and meanwhile, the impact vibration of the chain system is buffered through second-order damping, so that the noise is reduced.
Claims (8)
1. A sealing ring tooth-shaped chain system is characterized in that: the self-lubricating chain comprises a sealing ring toothed chain and a self-lubricating chain wheel which are matched with each other, wherein the sealing ring toothed chain comprises a plurality of inner chain links and outer chain links which are alternately connected, sealing rings are arranged between the inner chain links and the outer chain links, guide plates are arranged on the inner chain links, and each guide plate comprises a conventional material guide plate and a carbon fiber guide plate; the self-lubricating chain wheel comprises a large chain wheel and a small chain wheel, wherein the large chain wheel and the small chain wheel are in transmission connection with a sealing ring toothed chain, an inner single section containing a conventional material guide plate is L1, an inner single section containing a carbon fiber guide plate is L2, and when the number of teeth of the small chain wheel is less than 15 teeth, the assembly sequence of inner chain links of the sealing ring toothed chain is as follows: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 15 teeth and less than 25 teeth, the assembly sequence is: l1, L2, L1, L2 …, when the small sprocket tooth number is greater than 25 teeth, the assembly sequence is: l1, L2, L1, L2 ….
2. A seal ring toothed chain system as set forth in claim 1, wherein: the inner chain link comprises inner tooth-shaped chain plates, guide plates and sleeves, wherein the guide plates are arranged between the 2 inner tooth-shaped chain plates, the inner tooth-shaped chain plates are opposite to the mounting holes of the guide plates one by one, the sleeves penetrate through the one-to-one opposite mounting holes, the sleeves are respectively in interference fit with the inner tooth-shaped chain plates and the mounting holes of the guide plates, and the inner tooth-shaped chain plates are tightly attached to the guide plates.
3. A seal ring toothed chain system as set forth in claim 2, wherein: the outer chain link include external tooth-shaped chain plate, round pin axle, the round pin axle run through the sleeve, 2 mounting holes of external tooth-shaped chain plate respectively with adjacent interior chain link's homonymy round pin axle tip interference fit, round pin axle and sleeve clearance fit, sleeve tip overcoat between external tooth-shaped chain plate and internal tooth-shaped chain plate be equipped with the sealing washer, the both ends of sealing washer closely laminate with external tooth-shaped chain plate internal surface and internal tooth-shaped chain plate surface respectively, telescopic tip and external tooth-shaped chain plate internal surface clearance fit.
4. A seal ring toothed chain system as set forth in claim 3, wherein: the inner side of the conventional material guide plate is provided with an arc tooth profile, two sides of the arc tooth profile are symmetrically provided with inwards concave guide angles, and the height H of the guide angles and the hole center height H of the guide plate mounting hole meet the following relation: h= (10% -20%) ×h, the guide angle width w and the nominal chain pitch p satisfy the relationship: w= (1/3-1/2) p.
5. A seal ring toothed chain system as set forth in claim 4, wherein: the carbon fiber guide plate is of a B-type structure, and the height of the carbon fiber guide plate is 70% -85% of that of a conventional material guide plate.
6. A seal ring toothed chain system as set forth in claim 5, wherein: the sealing ring is a fluororubber sealing ring, and graphite and molybdenum disulfide solid lubricating materials are added into components forming the sealing ring, wherein the mass fraction of the graphite material is 2% -4%, and the mass fraction of the molybdenum disulfide material is 2% -5%.
7. A seal ring toothed chain system as set forth in claim 6, wherein: the self-lubricating sprocket comprises a sprocket body, a guide groove matched with a guide plate is coaxially arranged in the middle of the outer edge of the sprocket body, a damping rubber ring is formed in the guide groove through rubber coating, and a graphite ring coaxial with the sprocket body is inlaid at the position of a sealing ring toothed chain, which is in transmission connection with the self-lubricating sprocket, on the teeth of the sprocket body.
8. A seal ring toothed chain system as set forth in claim 7, wherein: the thickness of the graphite ring is 1-1.2 times of that of the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311463067.4A CN117345814A (en) | 2023-11-06 | 2023-11-06 | Tooth-shaped chain system of sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311463067.4A CN117345814A (en) | 2023-11-06 | 2023-11-06 | Tooth-shaped chain system of sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117345814A true CN117345814A (en) | 2024-01-05 |
Family
ID=89364861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311463067.4A Pending CN117345814A (en) | 2023-11-06 | 2023-11-06 | Tooth-shaped chain system of sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117345814A (en) |
-
2023
- 2023-11-06 CN CN202311463067.4A patent/CN117345814A/en active Pending
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