CN213010222U - U-shaped screw shaft closed transmission device for medical drug material conveying - Google Patents
U-shaped screw shaft closed transmission device for medical drug material conveying Download PDFInfo
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- CN213010222U CN213010222U CN201821741854.5U CN201821741854U CN213010222U CN 213010222 U CN213010222 U CN 213010222U CN 201821741854 U CN201821741854 U CN 201821741854U CN 213010222 U CN213010222 U CN 213010222U
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Abstract
A closed transmission device of a U-shaped screw shaft for conveying medical drug materials is composed of sleeve arc closed vertical chain rings with sleeve arc surfaces and U-shaped screw shaft closed flat chain rings with cylindrical transmission contact surfaces; the U-shaped screw shaft closed flat chain ring and the sleeve arc closed vertical chain ring are alternately connected with each other to form a closed chain; the U-shaped screw shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a screw shaft which is arranged in the connecting hole of the U-shaped flat link ring through a fastening nut and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped screw 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 shaft closed transmission device for a U-shaped screw rod 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. And an additional connecting ring is required to be added during butt joint, so that 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 screw 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 screw 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 screw shaft closed flat chain rings with cylindrical transmission contact surfaces; the U-shaped screw shaft closed flat chain ring and the sleeve arc closed vertical chain ring are alternately connected with each other, and then are connected end to form a closed chain; the U-shaped screw shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a screw shaft which is arranged in the connecting hole of the U-shaped flat link ring through a fastening nut and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped screw 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 medical drug material conveying U-shaped screw shaft closed transmission device, wherein a U-shaped flat chain ring comprises a cylindrical surface section, two arc sections and two long column sections, wherein the cylindrical surface section is in contact transmission with a sleeve arc surface of a sleeve arc closed vertical chain ring, the two arc sections are connected with the cylindrical section, and the two long column sections are connected with the arc sections.
The invention relates to a medical drug material conveying U-shaped screw shaft closed transmission device, wherein the section of a long column section of a U-shaped flat link ring is circular or square.
The medical drug material conveying U-shaped screw shaft closed transmission device 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 screw shaft closed transmission device for conveying medical drug materials can be detached through the fastening nut, is convenient to overhaul and maintain, is partially replaced, and is low in cost.
Compared with the traditional round-link chain, the U-shaped screw shaft closed transmission device for conveying medical drug materials is divided into a U-shaped screw 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 screw shaft closed transmission device for conveying medical drug materials, wherein a U-shaped screw shaft is closed to form a flat link ring, and the whole transmission device is square.
The invention relates to a closed transmission device of a U-shaped screw shaft for conveying medical drug materials, wherein the size of a cylinder at a transmission contact surface of the screw shaft is equal to the reference radius of a cylinder section of a U-shaped flat-link ring.
In conclusion, the medical drug material conveying U-shaped screw shaft closed transmission device has the advantages of surface contact transmission among chain rings, 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, and the pitch can not be 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 screw shaft closed transmission device for medical drug material delivery of the present invention is composed of a sleeve arc closed vertical link 1 having a sleeve arc surface and a U-shaped screw shaft closed horizontal link having a transmission contact surface of a cylindrical surface; the U-shaped screw shaft closed flat chain ring and the sleeve arc closed vertical chain ring are alternately connected with each other, and then are connected end to form a closed chain; the U-shaped screw shaft closed flat link ring comprises a U-shaped flat link ring 2 with a connecting hole, and a screw shaft 4 which is arranged in the connecting hole of the U-shaped flat link ring through a fastening nut 3 and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped screw 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 screw shaft closed transmission device for conveying medical drug materials, wherein a U-shaped flat chain ring 2 comprises a cylindrical surface section 2-1 in contact transmission with a sleeve arc surface of a sleeve arc closed vertical chain ring, two arc sections 2-2 connected with the cylindrical section, and two long column sections 2-3 connected with the arc sections.
The invention relates to a medical drug material conveying U-shaped screw shaft closed transmission device, wherein the section of a long column section of a U-shaped flat link ring is circular or square.
Claims (3)
1. A U-shaped screw 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 screw shaft closed flat chain rings with cylindrical transmission contact surfaces; the U-shaped screw shaft closed flat chain ring and the sleeve arc closed vertical chain ring are alternately connected with each other, and then are connected end to form a closed chain; the U-shaped screw shaft closed flat link ring comprises a U-shaped flat link ring with a connecting hole, and a screw shaft which is arranged in the connecting hole of the U-shaped flat link ring through a fastening nut and is provided with a cylindrical transmission surface; the cylindrical surface of the U-shaped screw 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 type transmission device with U-shaped screw shaft for medical drug material transportation according to claim 1, wherein the U-shaped flat chain ring comprises a cylindrical surface section in contact with the sleeve arc surface of the sleeve arc closed vertical chain ring for transmission, two arc sections connected with the cylindrical section, and two long column sections connected with the arc sections.
3. The enclosed type transmission device with U-shaped screw 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 ring is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741854.5U CN213010222U (en) | 2018-10-26 | 2018-10-26 | U-shaped screw shaft closed transmission device for medical drug material conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741854.5U CN213010222U (en) | 2018-10-26 | 2018-10-26 | U-shaped screw shaft closed transmission device for medical drug material conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213010222U true CN213010222U (en) | 2021-04-20 |
Family
ID=75442129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821741854.5U Active CN213010222U (en) | 2018-10-26 | 2018-10-26 | U-shaped screw shaft closed transmission device for medical drug material conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213010222U (en) |
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2018
- 2018-10-26 CN CN201821741854.5U patent/CN213010222U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210602 Address after: 266300 south of Xizhuang West Village, Yunxi sub district office, Jiaozhou City, Qingdao City, Shandong Province, south of Lanzhou East Road Patentee after: Jiaozhou Yutong petroleum equipment installation Co.,Ltd. Address before: No.44, Zhengzhou East Road, Jiaozhou, Qingdao, Shandong 266300 Patentee before: Song Xiaoyu |