CN110701264A - Rigid chain tensioning mechanism - Google Patents
Rigid chain tensioning mechanism Download PDFInfo
- Publication number
- CN110701264A CN110701264A CN201911045868.2A CN201911045868A CN110701264A CN 110701264 A CN110701264 A CN 110701264A CN 201911045868 A CN201911045868 A CN 201911045868A CN 110701264 A CN110701264 A CN 110701264A
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- CN
- China
- Prior art keywords
- tensioning
- rod
- rigid chain
- roller conveyor
- tension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16H7/08—Means for varying tension of belts, ropes, or 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
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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 invention relates to a rigid chain tensioning mechanism, and belongs to the technical field of roller conveyor equipment. The device comprises a tensioning mounting frame fixed above a supporting seat of the roller conveyor, a tilting plate horizontally hinged on one side of the tensioning mounting frame, a tensioning rod with the upper end hinged with a rack of the roller conveyor, and a tilting plate support which is hinged with the lower end of the tensioning rod and can be adjusted up and down along the tensioning rod; the tipping plate support is provided with a supporting surface which supports the tipping plate from the lower part of the tipping plate. The tensioning mechanism can easily realize tensioning of the chain, is simple to operate, convenient to install and debug on site, high in safety and stability, economical and reliable, capable of effectively guaranteeing stable operation of the chain, capable of improving conveying efficiency of the roller conveyor and suitable for wide popularization and application.
Description
Technical Field
The invention belongs to the technical field of roller conveyer equipment, and relates to a rigid chain tensioning mechanism.
Background
The production line for sawing the aluminum bars mainly comprises a buffering ingot storage machine, a chain transfer machine, a bidirectional translation feeding machine, a roller conveyer, a sawing machine assembly, a stub bar overturning unloader, a stub bar hoister, a sizing machine, a short ingot case packer, a scrap sucking and briquetting machine, a cyclone dust collector, a briquetting hoister and other devices, and functions of feeding, conveying, sawing, stub bar tail conveying, sizing, code printing, boxing, aluminum scrap collecting and briquetting and the like are realized. Wherein, the roller conveyer is used for the transport of aluminium bar.
The roller conveyer drives a chain transmission mechanism consisting of a chain wheel and a chain through a motor, the chain transmission mechanism further drives the rollers to rotate, and the friction force between the rollers and the aluminum bars borne on the rollers is utilized to drive the aluminum bars to be conveyed. In the whole working process, the chain should be in a tensioned state all the time, however, in practice, the chain often loosens, so that the operation is not stable, even the transmission fails, and a potential safety hazard is caused, therefore, a tensioning mechanism is needed to be configured to tension the chain. The existing tensioning mechanism has complex structure and higher cost, or has inconvenient installation and limited application range although the structure is simple.
Disclosure of Invention
In view of this, the invention aims to provide a rigid chain tensioning mechanism which is simple in operation, convenient in installation, economical and reliable, so as to solve the problems that the chain in the roller conveyor is loosened to cause unstable operation of the conveyor and the transmission is easy to fail.
In order to achieve the purpose, the invention provides the following technical scheme:
a rigid chain tensioning mechanism comprises a tensioning mounting frame fixed above a supporting seat of a roller conveyor, a tilting plate horizontally hinged to one side of the tensioning mounting frame, a tensioning rod with the upper end hinged to a rack of the roller conveyor, and a tilting plate support hinged to the lower end of the tensioning rod and capable of being adjusted up and down along the tensioning rod; the tipping plate support is provided with a supporting surface which supports the tipping plate from the lower part of the tipping plate.
Furthermore, a first pin shaft is horizontally inserted into the tipping plate support, and a through hole is formed in the circumferential surface of the first pin shaft; the tensioning rod is inserted into the through hole of the first pin shaft, and the first pin shaft is locked by the upper nut and the lower nut which are sleeved on the external thread at the lower end of the tensioning rod.
Furthermore, the circumference of the first pin shaft is symmetrically provided with locking surfaces, and after the upper nut and the lower nut lock the first pin shaft, the end surfaces of the upper nut and the lower nut are attached to the locking surfaces.
Further, the horizontal cartridge of tensioning rod upper end has the second round pin axle, the both ends cover of second round pin axle is equipped with the articulated seat of tensioning rod, the articulated seat of tensioning rod is fixed in the frame of running roller conveyer.
Further, the articulated seat of tensioning rod is the type of falling U, and the top surface welding of the articulated seat of tensioning rod is in the frame of running roller conveyer.
Furthermore, the tilting plate is connected with a transmission shaft at one end hinged with the tensioning mounting frame, two ends of the transmission shaft are respectively sleeved with a tilting plate hinge seat, and the tilting plate hinge seats are fixed on the tensioning mounting frame.
Further, the tilting plate hinge seat is fixed on the tensioning mounting frame through screws.
Further, the tensioning mounting frame is welded on a supporting seat of the roller conveyor.
Further, the tensioning rod upper end is equipped with the tensioning axle, the tensioning axle constitutes the tensioning rod with the external screw thread integrated into one piece of tensioning rod lower extreme.
Further, the tensioning rod upper end is equipped with the tensioning axle, the tensioning axle constitutes the tensioning rod with the external screw thread equipment of tensioning rod lower extreme.
The invention has the beneficial effects that:
(1) when the chain at any position of the roller conveyor is loosened, the tilting plate support only needs to move downwards for certain displacement along the tensioning rod, or the tilting plate support rotates anticlockwise for fine adjustment, so that the tilting plate loses the supporting force provided by the tilting plate support, the tilting plate rotates clockwise around the transmission shaft under the action of self gravity, the chain is tensioned along with the tilting plate support, and after the chain meets the tensioning requirement, the upper nut and the lower nut are screwed down, so that the rigid tensioning of the whole chain can be realized. Compared with the existing external tensioning mechanism, the whole chain rigid tensioning mechanism is simpler in structure, more convenient to adjust and high in practicability.
(2) The rigid chain tensioning mechanism disclosed by the invention can easily realize tensioning of the chain, is simple to operate, convenient to install and debug on site, high in safety and stability, economic and reliable, can effectively ensure stable operation of the chain, improves the conveying efficiency of the roller conveyor, and is suitable for wide popularization and application.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is illustrated by the following drawings:
FIG. 1 is a schematic structural view of a rigid chain tensioning mechanism;
fig. 2 is a schematic view of the installation of the rigid chain tensioning mechanism shown in fig. 1.
Reference numerals: tensioning mounting bracket 1, tipping plate 2, tensioning rod 3, external screw thread 301, tensioning axle 302, tipping plate support 4, first round pin axle 5, upper nut 6, lower nut 7, second round pin axle 8, tensioning rod hinge seat 9, transmission shaft 10, tipping plate hinge seat 11, motor 12, sprocket 13, chain 14, supporting seat 15, frame 16.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present embodiment provides a rigid chain tensioning mechanism, which includes a tensioning mounting frame 1 fixed above a supporting seat 15 of a roller conveyor, a tipping plate 2 horizontally hinged on one side of the tensioning mounting frame 1, a tensioning rod 3 hinged with a frame 16 of the roller conveyor at the upper end, and a tipping plate support 4 hinged with the lower end of the tensioning rod 3 and adjustable up and down along the tensioning rod 3; the tilting plate support 4 is provided with a support surface which supports the tilting plate 2 from below the tilting plate 2.
Specifically, in this embodiment, an external thread 301 is provided on the circumferential surface of the lower end of the tension rod 3, a tension shaft 302 is provided at the upper end of the tension rod 3, and the tension shaft 302 and the external thread 301 at the lower end of the tension rod 3 are assembled to form the tension rod 3. A first pin shaft 5 is horizontally inserted on the tilting plate support 4, a through hole is formed in the circumferential surface of the first pin shaft 5, locking surfaces are symmetrically arranged, the tensioning rod 3 is inserted into the through hole of the first pin shaft 5, and an upper nut 6 and a lower nut 7 which are sleeved on an external thread 301 at the lower end of the tensioning rod 3 are screwed to be respectively attached to the locking surfaces on the first pin shaft 5 to lock the first pin shaft 5. A second pin shaft 8 is horizontally inserted on the circumferential surface of the tensioning shaft 302 at the upper end of the tensioning rod 3, and two ends of the second pin shaft 8 are sleeved with the tensioning rod hinge seats 9 in an inverted U shape. One end of the tilting plate 2, which is hinged with the tensioning mounting frame 1, is connected with a transmission shaft 10, two ends of the transmission shaft 10 are respectively sleeved with a tilting plate hinge seat 11, and the tilting plate hinge seats 11 are fixed on the tensioning mounting frame 1 through screws.
As shown in fig. 2, when the chain rigid tensioning mechanism is installed and debugged, first, the chain wheel 13 is installed on the motor 12, and the motor 12 is installed on the tilting plate 2; then, assembling all components of the chain rigid tensioning mechanism to form a four-bar linkage mechanism, installing a chain 14 on a chain wheel 13 in a conduction mode, adjusting the position of the tensioning mounting frame 1 to ensure that the chain 14 is vertical, and welding two ends of the tensioning mounting frame 1 on a supporting seat 15 of a roller conveyor; then, the chain 14 is naturally vertical under the influence of the dead weight of the rigid chain tensioning mechanism, the position of the tensioning rod 3 is adjusted, and the top surface of the hinging seat 9 of the tensioning rod is welded on a rack 16 of the roller conveyor; finally, the upper nut 6 and the lower nut 7 are tightened to lock the first pin 5 and also to fix the tilt plate support 4 and the tension rod 3.
When the chain 14 at any position of the roller conveyor is loosened, the lower nut 7 only needs to be loosened, the tipping plate support 4 moves downwards along the tensioning rod 3 for a certain displacement and can rotate anticlockwise for a certain angle around the first pin shaft 5, so that the tipping plate 2 loses the supporting force provided by the tipping plate support 4, and rotates clockwise around the transmission shaft 10 under the action of self gravity, the chain 14 can be tensioned therewith, and after the chain 14 reaches the tensioning requirement, the upper nut 6 and the lower nut 7 are tightened, so that the whole chain rigid tensioning mechanism is fixed.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A rigid chain tensioning mechanism is characterized by comprising a tensioning mounting frame fixed above a supporting seat of a roller conveyor, a tilting plate horizontally hinged to one side of the tensioning mounting frame, a tensioning rod with the upper end hinged to a rack of the roller conveyor, and a tilting plate support hinged to the lower end of the tensioning rod and capable of being adjusted up and down along the tensioning rod; the tipping plate support is provided with a supporting surface which supports the tipping plate from the lower part of the tipping plate.
2. The rigid chain tensioning mechanism according to claim 1, wherein a first pin shaft is horizontally inserted into the tilting plate support, and a through hole is formed in the circumferential surface of the first pin shaft; the tensioning rod is inserted into the through hole of the first pin shaft, and the first pin shaft is locked by the upper nut and the lower nut which are sleeved on the external thread at the lower end of the tensioning rod.
3. The rigid chain tensioning mechanism of claim 2, wherein the first pin has a locking surface symmetrically disposed on its circumferential surface, and the upper nut and the lower nut lock the first pin such that their end surfaces abut against the locking surface.
4. The rigid chain tensioning mechanism according to claim 1, wherein a second pin is horizontally inserted into the upper end of the tensioning rod, and two ends of the second pin are sleeved with tensioning rod hinge seats fixed on the frame of the roller conveyor.
5. The rigid chain tensioning mechanism according to claim 4, wherein the tensioning rod hinge seat is in an inverted U shape, and the top surface of the tensioning rod hinge seat is welded on the frame of the roller conveyor.
6. The rigid chain tensioning mechanism according to claim 1, wherein the tilting plate is connected with a transmission shaft at one end hinged with the tensioning mounting frame, and tilting plate hinge seats are respectively sleeved at two ends of the transmission shaft and fixed on the tensioning mounting frame.
7. The rigid chain tensioning mechanism of claim 6, wherein the tilt plate hinge mount is secured to the tensioning mount by screws.
8. The rigid chain tensioning mechanism of claim 1 wherein the tensioning mount is welded to a support base of the roller conveyor.
9. The rigid chain tensioner of claim 2, wherein the upper end of the tension rod is provided with a tension shaft, and the tension shaft is integrally formed with the external thread at the lower end of the tension rod to form the tension rod.
10. The rigid chain tensioner of claim 2, wherein the upper end of the tension rod is provided with a tension shaft, and the tension shaft is assembled with the external thread at the lower end of the tension rod to form the tension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045868.2A CN110701264A (en) | 2019-10-30 | 2019-10-30 | Rigid chain tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045868.2A CN110701264A (en) | 2019-10-30 | 2019-10-30 | Rigid chain tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110701264A true CN110701264A (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911045868.2A Pending CN110701264A (en) | 2019-10-30 | 2019-10-30 | Rigid chain tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110701264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115744195A (en) * | 2022-11-30 | 2023-03-07 | 广东锦顺自动化科技有限公司 | Conveying device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB405641A (en) * | 1932-07-06 | 1934-02-06 | Alfred Harry Huddart | Improvements in or connecting with frictional transmission gear or drive |
| CN102678853A (en) * | 2012-05-18 | 2012-09-19 | 刘合忠 | Press belt adjusting bracket structure |
| CN206770537U (en) * | 2017-05-20 | 2017-12-19 | 上海申联试验机厂有限公司 | A kind of motor belt strainer |
| CN207086811U (en) * | 2017-07-29 | 2018-03-13 | 温州市翔潮汽车零部件有限公司 | A kind of transmission belt hold-down mechanism of cold headers |
| CN211039565U (en) * | 2019-10-30 | 2020-07-17 | 辽宁忠旺机械设备制造有限公司 | Rigid chain tensioning mechanism |
-
2019
- 2019-10-30 CN CN201911045868.2A patent/CN110701264A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB405641A (en) * | 1932-07-06 | 1934-02-06 | Alfred Harry Huddart | Improvements in or connecting with frictional transmission gear or drive |
| CN102678853A (en) * | 2012-05-18 | 2012-09-19 | 刘合忠 | Press belt adjusting bracket structure |
| CN206770537U (en) * | 2017-05-20 | 2017-12-19 | 上海申联试验机厂有限公司 | A kind of motor belt strainer |
| CN207086811U (en) * | 2017-07-29 | 2018-03-13 | 温州市翔潮汽车零部件有限公司 | A kind of transmission belt hold-down mechanism of cold headers |
| CN211039565U (en) * | 2019-10-30 | 2020-07-17 | 辽宁忠旺机械设备制造有限公司 | Rigid chain tensioning mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115744195A (en) * | 2022-11-30 | 2023-03-07 | 广东锦顺自动化科技有限公司 | Conveying device |
| CN115744195B (en) * | 2022-11-30 | 2023-10-27 | 广东锦顺自动化科技有限公司 | Conveying device |
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