CN108240435B - Electromagnetic adjustable non-contact tensioning device for chain transmission - Google Patents
Electromagnetic adjustable non-contact tensioning device for chain transmission Download PDFInfo
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- CN108240435B CN108240435B CN201810009194.XA CN201810009194A CN108240435B CN 108240435 B CN108240435 B CN 108240435B CN 201810009194 A CN201810009194 A CN 201810009194A CN 108240435 B CN108240435 B CN 108240435B
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- chain
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- tensioning
- iron core
- transmission
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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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
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- 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 discloses an electromagnetically adjustable non-contact tensioning device for chain transmission, which is characterized in that an upper chain tensioning electromagnetic iron core is arranged right below the upper part of a transmission chain, a lower chain tensioning electromagnetic iron core is arranged right above the lower part of the transmission chain, electromagnetic coils on the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core are respectively communicated with a power supply through an upper electromagnetic iron core circuit and a lower electromagnetic iron core circuit, the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core generate electromagnetic force, the upper part of the transmission chain is tensioned downwards under the action of the electromagnetic force, the lower part of the transmission chain is tensioned upwards, the non-contact tensioning in the transmission process of the transmission chain is realized, the abrasion of the transmission chain caused by the traditional tensioning chain wheel is eliminated, and meanwhile, the electromagnetic force generated by the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core is realized by adjusting the current of the electromagnetic coils, the tension degree of the transmission chain can be adjusted.
Description
Technical Field
The invention relates to an electromagnetically adjustable non-contact type tensioning device for chain transmission, and belongs to the technical field of chain transmission tensioning devices.
Background
The chain transmission belongs to a flexible transmission part, has no elastic sliding and slipping, can keep accurate average transmission ratio and has high transmission efficiency. The chain transmission is a commonly used transmission device, the application range is very wide, a chain is wound on a chain wheel, the chain can cause more and more problems due to the abrasion of the chain and the chain wheel in the operation, the chain can generate plastic deformation and further lengthen after being stressed for a long time, and the phenomena of tooth jumping and chain falling can also occur in serious cases, so that the transmission process is interrupted and accidents happen, the loosened chain is easy to fall off, the working efficiency is reduced frequently due to the chain falling, and the danger potential is increased, so the chain needs to be tensioned by adopting the tensioning device, the chain tensioning device adopted in the prior art is that a fixed tensioning chain wheel is arranged in the direction in which the chain needs to be tensioned, the tensioning gear is meshed with one side of the chain, the tensioning force is applied to the chain, when the tensioning chain is tensioned by adopting the tensioning chain wheel, the magnitude of the tensioning force applied to the chain can obviously change along with the tightness of the chain, when the tension force is too small, the tensioning effect is not obvious, the chain can deform and loosen in the running process, the phenomena of tooth jumping, chain falling and the like are caused, accidents are easy to happen, when the tension force is too large, noise is easy to generate in the running process of the chain, the chain is likely to break, and dangerous accidents are easy to cause.
From this, current device that adopts tensioning sprocket tensioning chain has the tensioning force of tensioning sprocket to the chain on the one hand to adjust inconvenient problem, and on the other hand, tensioning sprocket can increase the wearing and tearing of chain, reduces the life-span of transmission efficiency and chain.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electromagnetically adjustable non-contact tensioning device for chain transmission, in which an upper chain tensioning electromagnetic core is disposed under an upper portion of a transmission chain, a lower chain tensioning electromagnetic core is disposed over a lower portion of the transmission chain, and after electromagnetic coils on the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core are respectively connected to a power supply through an upper electromagnetic core line and a lower electromagnetic core line, the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core generate electromagnetic force, the upper portion of the transmission chain is tensioned downward under the action of the electromagnetic force, the lower portion of the transmission chain is tensioned upward, so as to realize non-contact tensioning during the transmission of the transmission chain, eliminate the abrasion of the transmission chain caused by a conventional tensioning chain, and simultaneously, by adjusting the current of the electromagnetic coils, the size that chain tensioning electromagnetic core and lower chain tensioning electromagnetic core produced the electromagnetic force is realized, can realize the adjustable of drive chain tensioning degree under drive chain's different work condition, and its design scientific and reasonable, simple structure, convenient to use.
The invention relates to an electromagnetic adjustable non-contact type tensioning device for chain transmission, which structurally comprises: the device comprises a driving chain wheel, a driven chain wheel, a transmission chain, an adjusting cylinder, an adjusting column, a supporting plate, an upper chain tensioning electromagnetic iron core, a lower chain tensioning electromagnetic iron core, an adjusting bolt, a driving motor, a motor support, driving equipment, an equipment supporting plate, an equipment driving shaft, a motor driving shaft, an electromagnetic coil, an upper electromagnetic iron core circuit, a lower electromagnetic iron core circuit, an upper sliding resistor, a lower sliding resistor, a switch, a power supply and an ammeter, wherein the driving chain wheel is arranged on the motor driving shaft, the driven chain wheel is arranged on the equipment driving shaft, the transmission chain is wound on the driving chain wheel and the driven chain wheel, the motor driving shaft is arranged in the driving motor, the driving motor is welded on the equipment supporting plate through the motor support, the equipment driving shaft is arranged on the driving equipment, the driving equipment is fixedly arranged on the equipment supporting plate, the adjusting, the backup pad welding is on the top of adjusting the post, and the backup pad setting is in the middle of drive chain, last chain tensioning electromagnetic core welding in the left side on backup pad upper portion, lower chain tensioning electromagnetic core welding is on the right side of backup pad lower part, from this last chain tensioning electromagnetic core setting is under drive chain upper portion, and lower chain tensioning electromagnetic core setting is under drive chain lower part, solenoid twine on last chain tensioning electromagnetic core and lower chain tensioning electromagnetic core, solenoid on the last chain tensioning electromagnetic core is connected with the power through last electromagnet core circuit, solenoid on the lower chain tensioning electromagnetic core is connected with the power through lower electromagnet core circuit.
Further, the ammeter and the switch are connected in series in an upper electromagnet core line and a lower electromagnet core line, the upper sliding resistance changer is connected in series in the upper electromagnet core line, and the lower sliding resistance changer is connected in series in the lower electromagnet core line.
Furthermore, adjusting bolt install on adjusting a section of thick bamboo, can adjust the degree of depth that the regulation post inserted in adjusting a section of thick bamboo through adjusting bolt, and then reach the purpose of adjusting the backup pad height.
The principle of the invention is as follows: the upper chain tensioning electromagnetic core is arranged right below the upper part of the transmission chain, the lower chain tensioning electromagnetic core is arranged right above the lower part of the transmission chain, after the electromagnetic coil is communicated with a power supply through an upper electromagnetic core line and a lower electromagnetic core line, the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core generate electromagnetic force, the upper part of the transmission chain is downwards tensioned under the action of the electromagnetic force, the lower part of the transmission chain is upwards tensioned, non-contact tensioning in the transmission process of the transmission chain is realized, meanwhile, an ammeter and a switch are connected in the upper electromagnetic core line and the lower electromagnetic core line in series, an upper sliding resistor is connected in the upper electromagnetic core line in series, a lower sliding resistor is connected in the lower electromagnetic core line in series, and the electromagnetic force generated by the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core can be realized by adjusting the current of the electromagnetic coil, can realize the adjustable of drive chain tensioning degree under the different operating modes of drive chain.
The invention has the beneficial effects that: the invention adopts the design that the upper chain tensioning electromagnetic iron core is arranged right below the upper part of the transmission chain, the lower chain tensioning electromagnetic iron core is arranged right above the lower part of the transmission chain, after the electromagnetic coils on the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core are respectively communicated with a power supply through the upper electromagnet core line and the lower electromagnet core line, the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core generate electromagnetic force, the upper part of the transmission chain is tensioned downwards under the action of the electromagnetic force, the lower part of the transmission chain is tensioned upwards, the non-contact tensioning in the transmission process of the transmission chain is realized, the abrasion of the traditional tensioning chain wheel to the transmission chain is eliminated, simultaneously, the magnitude of the electromagnetic force generated by the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core is realized by adjusting the current of the electromagnetic coils, and under different working conditions of the transmission chain, the adjustable tensioning degree of the transmission chain is realized, the design is scientific and reasonable, the structure is simple, and the use is convenient.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic top perspective view of the present invention;
fig. 3 is a schematic diagram of the principle of the present invention.
In the figure: 1-a drive sprocket; 2-a driven sprocket; 3-a transmission chain; 4-adjusting the cylinder; 5-a conditioning column; 6-a support plate; 7-winding chain tensioning electromagnetic iron core; 8-tensioning the electromagnetic iron core by the lower chain; 9-adjusting the bolt; 10-a drive motor; 11-a motor support; 12-a drive device; 13-equipment carrier plate; 14-the equipment drive shaft; 15-motor drive shaft; 16-an electromagnetic coil; 17-upper electromagnet core circuit; 18-lower electromagnet core line; 19-an upper sliding rheostat; 20-a lower sliding resistor; 21-a switch; 22-a power supply; 23-ammeter.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, 2 and 3, an electromagnetically adjustable non-contact tensioner for a chain drive is configured to include: the device comprises a driving chain wheel 1, a driven chain wheel 2, a transmission chain 3, an adjusting cylinder 4, an adjusting column 5, a supporting plate 6, an upper chain tensioning electromagnetic iron core 7, a lower chain tensioning electromagnetic iron core 8, an adjusting bolt 9, a driving motor 10, a motor bracket 11, a driving device 12, a device supporting plate 13, a device driving shaft 14, a motor driving shaft 15, an electromagnetic coil 16, an upper electromagnetic iron core circuit 17, a lower electromagnetic iron core circuit 18, an upper sliding resistor 19, a lower sliding resistor 20, a switch 21, a power supply 22 and an ammeter 23, wherein as shown in figure 2, the driving chain wheel 1 is arranged on the motor driving shaft 15, the driven chain wheel 2 is arranged on the device driving shaft 14, the transmission chain wheel 1 and the driven chain wheel 2 are wound, the motor driving shaft 15 is arranged in the driving motor 10, the driving motor 10 is welded on the device 13 through the motor bracket 11, the device driving shaft 14 is arranged on, the driving device 12 is fixedly installed on the device carrier plate 13, as shown in fig. 1, the adjusting cylinder 4 is welded on the device carrier plate 13, the adjusting cylinder 5 is installed in the adjusting cylinder 4, the supporting plate 6 is welded on the top end of the adjusting cylinder 5, the supporting plate 6 is arranged in the middle of the transmission chain 3, the upper chain tensioning electromagnetic core 7 is welded on the left side of the upper part of the supporting plate 6, the lower chain tensioning electromagnetic core 8 is welded on the right side of the lower part of the supporting plate 6, therefore, the upper chain tensioning electromagnetic core 7 is arranged under the upper part of the transmission chain 3, the lower chain tensioning electromagnetic core 8 is arranged right above the lower part of the transmission chain 3, as shown in fig. 3, the electromagnetic coil 16 is wound on the upper chain tensioning electromagnetic core 7 and the lower chain tensioning electromagnetic core 8, the electromagnetic coil 8 on the upper chain tensioning electromagnetic core 7 is connected with the power supply 22, the solenoid coil 8 on the lower chain tensioning electromagnet core 8 is connected to a power source 22 via a lower electromagnet core line 18.
Specifically, as shown in fig. 3, the ammeter 23 and the switch 21 are connected in series to the upper electromagnet core line 17 and the lower electromagnet core line 18, the upper sliding resistor 19 is connected in series to the upper electromagnet core line 17, and the lower sliding resistor 20 is connected in series to the lower electromagnet core line 18, as shown in fig. 1, the adjusting bolt 9 is mounted on the adjusting cylinder 4, and the depth of the adjusting column 5 inserted into the adjusting cylinder 4 can be adjusted by the adjusting bolt 9, so as to achieve the purpose of adjusting the height of the supporting plate 6.
According to the technical scheme, the adjusting column is installed in the adjusting cylinder, the supporting plate is welded at the top end of the adjusting column, the supporting plate is arranged in the middle of the transmission chain, the upper chain tensioning electromagnetic core is welded on the left side of the upper portion of the supporting plate, the lower chain tensioning electromagnetic core is welded on the right side of the lower portion of the supporting plate, the upper chain tensioning electromagnetic core is arranged right below the upper portion of the transmission chain, the lower chain tensioning electromagnetic core is arranged right above the lower portion of the transmission chain, the adjusting bolt is installed on the adjusting cylinder, the depth of the adjusting column inserted into the adjusting cylinder can be adjusted through the adjusting bolt, the purpose of adjusting the height of the supporting plate is further achieved, and the distance between the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core; when the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core are wound with the electromagnetic coils which are communicated with a power supply through the upper electromagnetic iron core circuit and the lower electromagnetic iron core circuit, the upper chain tensioning electromagnetic iron core and the lower chain tensioning electromagnetic iron core generate electromagnetic force, the upper part of the transmission chain is tensioned downwards under the action of the electromagnetic force, the lower part of the transmission chain is tensioned upwards, the tensioning in the transmission process of the transmission chain is realized, meanwhile, the ammeter and the switch are connected in series in an upper electromagnet core line and a lower electromagnet core line, the upper sliding resistor transformer is connected in series in the upper electromagnet core line, and the lower sliding resistor transformer is connected in series in the lower electromagnet core line, so that the electromagnetic force of the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core can be adjusted by adjusting the current of the electromagnetic coil, and the adjustment of the tensioning degree of the transmission chain is realized under different working conditions.
The foregoing shows and describes the fundamental principles and features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. An electromagnetically adjustable non-contact tensioning device for a chain drive, the structure comprising: the device comprises a driving chain wheel, a driven chain wheel, a transmission chain, an adjusting cylinder, an adjusting column, a supporting plate, an upper chain tensioning electromagnetic iron core, a lower chain tensioning electromagnetic iron core, an adjusting bolt, a driving motor, a motor support, driving equipment, an equipment supporting plate, an equipment driving shaft, a motor driving shaft, an electromagnetic coil, an upper electromagnetic iron core circuit, a lower electromagnetic iron core circuit, an upper sliding resistor, a lower sliding resistor, a switch, a power supply and an ammeter, wherein the driving chain wheel is arranged on the motor driving shaft, the driven chain wheel is arranged on the equipment driving shaft, the transmission chain is wound on the driving chain wheel and the driven chain wheel, the motor driving shaft is arranged in the driving motor, the driving motor is welded on the equipment supporting plate through the motor support, the equipment driving shaft is arranged on the driving equipment, the driving equipment is fixedly arranged on the equipment supporting plate, the adjusting, the support plate is welded at the top end of the adjusting column, the support plate is arranged in the middle of the transmission chain, the upper chain tensioning electromagnetic core is welded at the left side of the upper part of the support plate, the lower chain tensioning electromagnetic core is welded at the right side of the lower part of the support plate, therefore, the upper chain tensioning electromagnetic core is arranged under the upper part of the transmission chain, the lower chain tensioning electromagnetic core is arranged over the lower part of the transmission chain, the electromagnetic coil is wound on the upper chain tensioning electromagnetic core and the lower chain tensioning electromagnetic core, the electromagnetic coil on the upper chain tensioning electromagnetic core is connected with the power supply through an upper electromagnetic core circuit, the electromagnetic coil on the lower chain tensioning electromagnetic core is connected with the power supply through a lower electromagnetic core circuit, the ammeter and the switch are connected in series in the upper electromagnetic core circuit and the lower electromagnetic core circuit, and the upper sliding variable resistor, the lower sliding resistance changer is connected in series in a lower electromagnet core line, and the adjusting bolt is arranged on the adjusting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009194.XA CN108240435B (en) | 2018-01-05 | 2018-01-05 | Electromagnetic adjustable non-contact tensioning device for chain transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009194.XA CN108240435B (en) | 2018-01-05 | 2018-01-05 | Electromagnetic adjustable non-contact tensioning device for chain transmission |
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| Publication Number | Publication Date |
|---|---|
| CN108240435A CN108240435A (en) | 2018-07-03 |
| CN108240435B true CN108240435B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009194.XA Active CN108240435B (en) | 2018-01-05 | 2018-01-05 | Electromagnetic adjustable non-contact tensioning device for chain transmission |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014263B (en) * | 2019-05-22 | 2020-12-08 | 嘉兴方沐能源科技有限公司 | Spring stretching and shaping device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4657131A (en) * | 1984-02-23 | 1987-04-14 | Bergwerksverband Gmbh | Tension regulator for a chain drive |
| CN1183522A (en) * | 1996-11-20 | 1998-06-03 | Lg产电株式会社 | Apparatus for controlling chain tension |
| JP6014342B2 (en) * | 2012-03-22 | 2016-10-25 | 株式会社ニューフレアテクノロジー | Multi-charged particle beam writing apparatus and multi-charged particle beam writing method |
| CN107504140A (en) * | 2017-09-15 | 2017-12-22 | 广西柳工机械股份有限公司 | Rotating tensioning device for transmission chain and land leveller tandem-driving bogie |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6014342U (en) * | 1983-07-08 | 1985-01-31 | 富士重工業株式会社 | chain transmission device |
| JPH09256865A (en) * | 1996-03-19 | 1997-09-30 | Suzuki Motor Corp | Deflection detecting device for annular transmission body |
-
2018
- 2018-01-05 CN CN201810009194.XA patent/CN108240435B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4657131A (en) * | 1984-02-23 | 1987-04-14 | Bergwerksverband Gmbh | Tension regulator for a chain drive |
| CN1183522A (en) * | 1996-11-20 | 1998-06-03 | Lg产电株式会社 | Apparatus for controlling chain tension |
| JP6014342B2 (en) * | 2012-03-22 | 2016-10-25 | 株式会社ニューフレアテクノロジー | Multi-charged particle beam writing apparatus and multi-charged particle beam writing method |
| CN107504140A (en) * | 2017-09-15 | 2017-12-22 | 广西柳工机械股份有限公司 | Rotating tensioning device for transmission chain and land leveller tandem-driving bogie |
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| CN108240435A (en) | 2018-07-03 |
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Inventor after: Guo Wei Inventor after: Li Taotao Inventor before: Li Taotao |
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Effective date of registration: 20210323 Address after: 238000 Jiyang Town, Juchao District, Chaohu City, Anhui Province Applicant after: CHAOHU HUAXIN CONVEYING EQUIPMENT Co.,Ltd. Address before: Henan Vocational College of industry and information technology, 801 Bilian Road, Jiaozuo New District, Henan Province Applicant before: Li Taotao |
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