CN213451550U - Nylon roller tensioning device for light-load chain transmission - Google Patents
Nylon roller tensioning device for light-load chain transmission Download PDFInfo
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- CN213451550U CN213451550U CN202021883779.3U CN202021883779U CN213451550U CN 213451550 U CN213451550 U CN 213451550U CN 202021883779 U CN202021883779 U CN 202021883779U CN 213451550 U CN213451550 U CN 213451550U
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Abstract
The utility model discloses a nylon gyro wheel overspeed device tensioner for underloading chain drive belongs to tobacco machinery technical field. The nylon roller tensioning device for the light-load chain transmission comprises a step shaft, a bearing and a nylon roller. The utility model discloses a nylon gyro wheel is as the working wheel of chain tensioning, when nylon gyro wheel wearing and tearing or damage need maintain and change, only need to change the nylon gyro wheel in the outside, can realize quick replacement and maintenance, need not to carry out the whole change, maintenance efficiency is high, and is with low costs, equipment down time overlength and the problem that influences production when can effectively avoiding maintaining, in addition, this overspeed device tensioner does not have specific requirement to the chain specification, applicable in the chain of different size width, application scope is wide, can adapt to the complicated operational environment who is in of tobacco equipment. The working wheel is made of nylon materials, so that the noise is low and the noise damage is low.
Description
Technical Field
The utility model belongs to the technical field of tobacco machinery, concretely relates to nylon roller overspeed device tensioner for light load chain drive.
Background
In tobacco mechanical equipment, a chain transmission application range is wide, in order to improve the operation efficiency and the operation stability of the equipment, the chain is used as a transitional part for transferring motion and power in the middle, the tightness of the chain installation has corresponding dimension standards, the chain is easy to stretch and cause looseness after being worn, and needs to be tensioned timely, the chain is tensioned effectively by methods of a tensioning sprocket, a center distance changing and the like, but different chain transmission application occasions have different technical requirements, in light-load chain transmission of the tobacco equipment, because the equipment needs to operate for a long time without stopping, the loss of the tensioning wheel is large, if the customized sprocket is adopted, on one hand, the cost is large, the quick replacement and the maintenance cannot be realized, the equipment downtime is too long during the maintenance, the production is influenced, on the other hand, because the working environment of the tobacco equipment is complex, the customized sprocket cannot be, the noise is large.
Disclosure of Invention
The utility model discloses a nylon gyro wheel overspeed device tensioner for underloading chain drive, the cost of manufacture is low, can realize quick replacement and maintenance, can adapt to the operational environment that tobacco equipment is complicated, and the noise is little.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a nylon gyro wheel overspeed device tensioner for underloading chain drive, includes step axle, bearing and nylon gyro wheel, bearing, for the axle retaining ring install in proper order epaxially at the step, for the axle retaining ring be located the bearing outside, the bearing passes through the shoulder of step axle and the axial retaining ring axial positioning, axle journal and bearing inner race interference fit, the nylon gyro wheel pass through the bearing and install epaxially at the step, in the embedded and nylon gyro wheel of bearing, nylon gyro wheel hole and bearing inner race interference fit.
Furthermore, retainer rings for holes for axially positioning the outer ring are arranged on two sides of the outer ring of the bearing.
Furthermore, the fixed end of the step shaft is provided with an external thread used for being connected with the chain transmission device rack.
Furthermore, the outer surface of the nylon roller is a working surface, the two sides of the working surface are provided with limit steps, and an annular groove for clamping the chain is formed between the two limit steps.
The utility model discloses beneficial effect:
the utility model discloses a nylon gyro wheel is as the working wheel of chain tensioning, when nylon gyro wheel wearing and tearing or damage need maintain and change, only need to change the nylon gyro wheel in the outside, can realize quick replacement and maintenance, need not to carry out the whole change, maintenance efficiency is high, and is with low costs, equipment down time overlength and the problem that influences production when can effectively avoiding maintaining, in addition, this overspeed device tensioner does not have specific requirement to the chain specification, applicable in the chain of different size width, application scope is wide, can adapt to the complicated operational environment who is in of tobacco equipment. The working wheel is made of nylon materials, so that the noise is low and the noise damage is low.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is an exploded view of the present invention.
In the figure, 1-step shaft, 2-bearing, 3-nylon roller, 4-hole retainer ring, 5-shaft retainer ring and 6-annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a nylon roller tensioning device for light-load chain transmission comprises a step shaft 1, a bearing 2 and a nylon roller 3, wherein an external thread is arranged at the fixed end of the step shaft 1 and is used for being connected with a frame of the chain transmission device, the end part is connected with the frame through a nut during installation, the installation and the disassembly are very convenient, and the tensioning device can be integrally and quickly disassembled and assembled. Bearing 2, for the shaft retaining ring 5 install in proper order on step axle 1, for the shaft retaining ring 5 be located the bearing 2 outside, bearing 2 is through the shoulder of step axle 1 and 5 axial positioning of for the shaft retaining ring, journal and the 2 inner circles interference fit of bearing, fix the 2 inner circles of bearing on the journal of step axle 1, nylon gyro wheel 3 install on step axle 1 through bearing 2, in the embedded and nylon gyro wheel 3 of bearing 2, 3 holes of nylon gyro wheel and the 2 outer circles interference fit of bearing, nylon gyro wheel 3 adopts the nylon materials to make, the noise is little, the noise injury is little. Set up the through-hole in the middle of the nylon gyro wheel 3, be equipped with the retaining ring groove around the through-hole respectively, the retaining ring groove is used for installing hole retaining ring 4 of bearing 2's outer lane both sides, and hole retaining ring 4 carries out axial positioning to bearing 2 outer lane, prevents that bearing 2 outward appearance dislocation from making bearing 2 inefficacy. The outer surface of the nylon roller 3 is a working surface, the two sides of the working surface are provided with limit steps, an annular groove 6 for clamping a chain is formed between the two limit steps, the chain is clamped in the annular groove 6 during installation, and the limit steps on the two sides can limit the chain on the two sides, so that the chain is prevented from falling off. During installation, the whole tensioning device is firstly assembled, the bearing 2 is installed on the step shaft 1, the retaining ring 5 for the shaft is fixed, the nylon idler wheel 3 is clamped on the outer ring of the bearing 2, the retaining rings 4 for holes on two sides of the outer ring of the bearing 2 are installed, then the whole tensioning device is installed on a rack of the light-load chain transmission mechanism through threads at the fixed end of the step shaft 1, the position of the tensioning device is adjusted, a chain can be tensioned, the step shaft 1 is locked through a nut, the chain is sleeved in the annular groove 6 of the nylon idler wheel 3 after installation, the whole tensioning device is moved by adjusting the relative position of the fixed end of the step shaft 1 and the rack, and therefore the adjustment of the transmission tightness of the chain is achieved. When the bearing is used, the working surface of the nylon roller 3 generates rotary motion under the load applied by the chain, the outer ring of the bearing 2 rotates along with the interference fit of the nylon roller 3, and the inner ring of the bearing 2 and the step shaft 1 are relatively fixed. The utility model discloses a nylon gyro wheel 3 is as the working wheel of chain tensioning, when 3 wearing and tearing of nylon gyro wheel or damage need be maintained and change, only need to change the nylon gyro wheel 3 in the outside, can realize quick replacement and maintenance, need not to carry out whole change, the maintenance efficiency is high, and is with low costs, equipment down time overlength and the problem that influences production when can effectively avoiding maintaining, in addition, this overspeed device tensioner does not have specific requirement to the chain specification, applicable in the chain of different size width, application scope is wide, can adapt to the complicated operational environment who is in tobacco equipment.
The utility model discloses a working process:
during installation, the whole tensioning device is firstly assembled, the bearing 2 is installed on the step shaft 1, the retaining ring 5 for the shaft is fixed, the nylon idler wheel 3 is clamped on the outer ring of the bearing 2, the retaining rings 4 for holes on two sides of the outer ring of the bearing 2 are installed, then the whole tensioning device is installed on a rack of the light-load chain transmission mechanism through threads at the fixed end of the step shaft 1, the position of the tensioning device is adjusted, a chain can be tensioned, the step shaft 1 is locked through a nut, the chain is sleeved in the annular groove 6 of the nylon idler wheel 3 after installation, the whole tensioning device is moved by adjusting the relative position of the fixed end of the step shaft 1 and the rack, and therefore the adjustment of the transmission tightness of the chain is achieved.
When the bearing is used, the working surface of the nylon roller 3 generates rotary motion under the load applied by the chain, the outer ring of the bearing 2 rotates along with the interference fit of the nylon roller 3, and the inner ring of the bearing 2 and the step shaft 1 are relatively fixed.
The present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The utility model provides a nylon gyro wheel overspeed device tensioner for underloading chain drive which characterized in that: a nylon gyro wheel overspeed device tensioner for underloading chain drive include step axle, bearing and nylon gyro wheel, bearing, for the axle retaining ring install in proper order epaxially at the step, for the axle retaining ring is located the bearing outside, the bearing passes through the shoulder of step axle and for axle retaining ring axial positioning, axle journal and bearing inner race interference fit, the nylon gyro wheel pass through the bearing and install epaxially at the step, in the embedded and nylon gyro wheel of bearing, nylon gyro wheel hole and bearing outer lane interference fit.
2. The nylon roller tensioner for a light duty chain drive as set forth in claim 1, wherein: and retainer rings for holes for axially positioning the outer ring are arranged on two sides of the outer ring of the bearing.
3. The nylon roller tensioner for a light duty chain drive as set forth in claim 1, wherein: the fixed end of the step shaft is provided with an external thread used for being connected with the chain transmission device rack.
4. A nylon roller tensioner for a light duty chain drive as claimed in claim 1, 2 or 3 wherein: the outer surface of the nylon roller is a working surface, the two sides of the working surface are provided with limit steps, and an annular groove for clamping a chain is formed between the two limit steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021883779.3U CN213451550U (en) | 2020-09-02 | 2020-09-02 | Nylon roller tensioning device for light-load chain transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021883779.3U CN213451550U (en) | 2020-09-02 | 2020-09-02 | Nylon roller tensioning device for light-load chain transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451550U true CN213451550U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021883779.3U Active CN213451550U (en) | 2020-09-02 | 2020-09-02 | Nylon roller tensioning device for light-load chain transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451550U (en) |
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2020
- 2020-09-02 CN CN202021883779.3U patent/CN213451550U/en active Active
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