CN213010221U - U-shaped pin shaft closed type transmission device for conveying medical medicine materials - Google Patents
U-shaped pin shaft closed type transmission device for conveying medical medicine materials Download PDFInfo
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- CN213010221U CN213010221U CN201821741701.0U CN201821741701U CN213010221U CN 213010221 U CN213010221 U CN 213010221U CN 201821741701 U CN201821741701 U CN 201821741701U CN 213010221 U CN213010221 U CN 213010221U
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- pin shaft
- closed
- transmission
- chain
- shaped pin
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- Expired - Fee Related
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Abstract
A U-shaped pin shaft closed transmission device for conveying medical drug materials is composed of a sleeve arc closed vertical chain ring with a sleeve arc surface and a U-shaped pin shaft closed horizontal chain ring with a transmission contact surface being a cylindrical surface; the U-shaped pin shaft closed flat chain rings and the sleeve arc closed vertical chain rings are alternately connected with each other, and then the heads and the tails are connected with each other to form a closed chain; the U-shaped pin shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a pin shaft which is arranged in the connecting hole of the U-shaped flat link ring through a positioning pin and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped pin shaft closed flat chain ring and the sleeve arc surface of the sleeve arc closed vertical chain ring have the same reference profile surface to form surface contact transmission. The chain ring inter-surface contact transmission has the advantages of large bearing capacity, small contact stress, wear resistance, stable transmission, long service life, convenient maintenance and low cost, and the pitch can not change, and the precision transmission can be realized. The transmission system can be widely applied to the transmission system of medical drug material conveying equipment.
Description
Technical Field
The invention relates to a U-shaped pin shaft closed transmission device for conveying medical drug materials, which can be widely applied to a transmission system of medical drug material conveying equipment.
Background
The existing medical drug material conveying equipment drags the bearing body by a chain and realizes the conveying of materials by the bearing body. Traditional round-link chain, chain link are woven by the round steel and form, and all chain link structures are the same, divide into flat ring and found the ring according to the position difference during the use. In the traditional circular chain structure, the bending radius of the circular ring is larger than that of round steel, so that the chain rings form linear contact transmission, and when the linear contact is under the same acting force, the contact surface of the chain rings is small, the stress is large, and the chain rings are easy to wear.
A structure with the bending radius larger than that of the round steel is compiled according to the circular ring of the circular ring chain, namely, the turnabout turning center line is not overlapped with the center line of the chain ring; this arrangement produces a pitch change during redirection, i.e. both relative rotation and relative sliding between the links. The pitch is reduced by a different amount for different redirection angles, and this change in pitch increases transmission instability. The line contact that its structure of above-mentioned analysis produced easily produces wearing and tearing, and the pitch of wearing and tearing back chain ring can increase again, and the change of pitch can bring the transmission unstability, and unstability can aggravate wearing and tearing to cause vicious circle, make the chain life-span extremely low. The structural characteristics of different change of the direction change angle and different pitch also bring difficulty to the manufacturing standardization of the conveying equipment.
The traditional annular chain is formed in a welding and sealing mode, and needs to be intercepted according to the actual length during use, so that waste is generated. When in butt joint, an additional connecting ring needs to be added, the price of one connecting ring is about two meters of the price of the chain, and the cost is high. When a certain chain ring has a problem, the chain ring is usually demolished destructively by gas cutting, which not only has difficult maintenance and long time consumption, but also needs to prepare a maintenance tool, set up safety protection of flammable and explosive gases, and causes the defects of environmental pollution and the like.
Disclosure of Invention
The invention aims to provide a medical drug material conveying U-shaped pin shaft closed transmission device which has the advantages of inter-chain-ring surface contact transmission, large bearing capacity, small contact stress, wear resistance, no change of pitch, stable transmission, realization of precise transmission, long service life, convenience in overhaul and maintenance and low cost.
In order to achieve the aim, the U-shaped pin shaft closed transmission device for conveying medical drug materials is composed of sleeve arc closed vertical chain rings with sleeve arc surfaces and U-shaped pin shaft closed flat chain rings with cylindrical transmission contact surfaces; the U-shaped pin shaft closed flat chain rings and the sleeve arc closed vertical chain rings are alternately connected with each other, and then the heads and the tails are connected with each other to form a closed chain; the U-shaped pin shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a pin shaft which is arranged in the connecting hole of the U-shaped flat link ring through a positioning pin and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped pin shaft closed flat chain ring and the sleeve arc surface of the sleeve arc closed vertical chain ring have the same reference profile surface to form surface contact transmission.
The invention relates to a U-shaped pin shaft closed transmission device for conveying medical drug materials.
The invention relates to a U-shaped pin shaft closed transmission device for conveying medical drug materials.
The U-shaped pin shaft closed transmission device for conveying medical drug materials has the advantages of surface contact transmission among chain rings, large bearing capacity, small contact stress, wear resistance, no change of pitch, reliable connection, stable transmission, realization of precise transmission and long service life.
Compared with the traditional round-link chain, the U-shaped pin shaft closed transmission device for conveying medical drug materials can be detached through the positioning pin, is convenient to overhaul and maintain, is partially replaced, and is low in cost.
Compared with the traditional round-link chain, the U-shaped pin shaft closed transmission device for conveying medical drug materials is divided into a U-shaped pin shaft closed flat chain ring and a sleeve arc closed vertical chain ring, has different structures and cannot be used together. The traditional round-link chain flat ring and the traditional round-link chain vertical ring have the same structure, and the flat ring and the vertical ring can be used in a mixed mode.
The invention relates to a U-shaped pin shaft closed transmission device for conveying medical drug materials, wherein a U-shaped pin shaft closed flat link ring is square as a whole.
The invention relates to a closed transmission device for a U-shaped pin shaft for conveying medical drug materials, wherein the size of a cylinder at the transmission contact surface of the pin shaft is equal to the reference radius of a cylindrical section of a U-shaped flat-link ring.
In conclusion, the U-shaped pin shaft closed transmission device for conveying medical drug materials has the advantages of large bearing capacity, small contact stress, wear resistance, stable transmission, realization of precise transmission, long service life, convenience in overhaul and maintenance and low cost due to the fact that the chain rings are in surface contact transmission and the pitch is not changed.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
In fig. 1 and 2, the U-shaped pin shaft closed transmission device for conveying medical drug materials of the invention is composed of a sleeve arc closed vertical chain ring 1 with a sleeve arc surface and a U-shaped pin shaft closed flat chain ring with a transmission contact surface being a cylindrical surface; the U-shaped pin shaft closed flat chain rings and the sleeve arc closed vertical chain rings are alternately connected with each other, and then the heads and the tails are connected with each other to form a closed chain; the U-shaped pin shaft closed flat link ring comprises a U-shaped flat link ring 2 with a connecting hole, and a pin shaft 4 which is arranged in the connecting hole of the U-shaped flat link ring through a positioning pin 3 and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped pin shaft closed flat chain ring and the sleeve arc surface of the sleeve arc closed vertical chain ring have the same reference profile surface to form surface contact transmission.
The invention relates to a U-shaped pin shaft closed transmission device for conveying medical drug materials, wherein a U-shaped flat link ring 2 comprises a cylindrical surface section 2-1 in contact transmission with a sleeve arc surface of a sleeve arc closed vertical link ring, two arc sections 2-2 connected with the cylindrical section, and two long column sections 2-3 connected with the arc sections.
Claims (3)
1. A U-shaped pin shaft closed transmission device for conveying medical drug materials is characterized by comprising sleeve arc closed vertical chain rings with sleeve arc surfaces and U-shaped pin shaft closed flat chain rings with transmission contact surfaces being cylindrical surfaces; the U-shaped pin shaft closed flat chain rings and the sleeve arc closed vertical chain rings are alternately connected with each other, and then the heads and the tails are connected with each other to form a closed chain; the U-shaped pin shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a pin shaft which is arranged in the connecting hole of the U-shaped flat link ring through a positioning pin and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped pin shaft closed flat chain ring and the sleeve arc surface of the sleeve arc closed vertical chain ring have the same reference profile surface to form surface contact transmission.
2. The enclosed transmission device for U-shaped pin shafts used for medical drug material conveying according to claim 1, wherein the U-shaped flat chain link comprises a cylindrical surface section in contact with the sleeve arc surface of the sleeve arc enclosed vertical chain link for transmission, two arc sections connected with the cylindrical section, and two long column sections connected with the arc sections.
3. The enclosed transmission device with U-shaped pin shaft for medical drug material transportation according to claim 1, wherein the cross section of the long column section of the U-shaped flat link is round or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741701.0U CN213010221U (en) | 2018-10-26 | 2018-10-26 | U-shaped pin shaft closed type transmission device for conveying medical medicine materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741701.0U CN213010221U (en) | 2018-10-26 | 2018-10-26 | U-shaped pin shaft closed type transmission device for conveying medical medicine materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213010221U true CN213010221U (en) | 2021-04-20 |
Family
ID=75442126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821741701.0U Expired - Fee Related CN213010221U (en) | 2018-10-26 | 2018-10-26 | U-shaped pin shaft closed type transmission device for conveying medical medicine materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213010221U (en) |
-
2018
- 2018-10-26 CN CN201821741701.0U patent/CN213010221U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 Termination date: 20211026 |