CN110778669A - Tensioner with mistake-proof end cover and assembling equipment thereof - Google Patents
Tensioner with mistake-proof end cover and assembling equipment thereof Download PDFInfo
- Publication number
- CN110778669A CN110778669A CN201911199707.9A CN201911199707A CN110778669A CN 110778669 A CN110778669 A CN 110778669A CN 201911199707 A CN201911199707 A CN 201911199707A CN 110778669 A CN110778669 A CN 110778669A
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- spring
- fixedly connected
- support plate
- end cover
- driving device
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- 230000006978 adaptation Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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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
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/048—Springs
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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
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
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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
- F16H2007/0842—Mounting or support of tensioner
-
- 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
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
Abstract
A tensioner having a fail-safe end cap and an assembly apparatus therefor. The present invention relates to the field of tensioner structures. The tensioner with the error-proof end cover and the assembling equipment thereof have the advantages that the initial torsion of the spring is easy to adjust, the initial torsion of the spring is adjusted and controlled according to requirements of different customers before delivery, and the requirement of a large-torque use environment is met. The technical scheme of the invention is as follows: comprises a belt pulley, a support plate, an end cover, a central shaft, a spring and a spring support sleeve; the end face, back to the support plate, of the end cover is provided with at least two torsion blind holes, and the end face, back to the support plate, of the spring support sleeve is fixedly connected with at least one positioning bayonet lock; the supporting plate is characterized in that a pair of limiting blocks is fixedly connected to the side surface of the supporting plate, a limiting hook is fixedly connected to the side surface of the spring supporting sleeve, and one end, far away from the spring supporting sleeve, of the limiting hook is located between the pair of limiting blocks. The structure is exquisite, stability is good, easily assembly, advantage such as easily adjust from having on the whole.
Description
Technical Field
The present invention relates to the field of tensioner structures.
Background
At present, most of the tensioning wheels in the prior art are shown in a chinese patent invention named as "tensioning device" and "201180006588.6" published by the national office in 2012, 10, and 17 or a chinese utility model named as "engine tensioning wheel assembly" and "201120559709.7" published in 2018, 8, and 15, and maintain the tensioning of the belt by means of the elastic deformation of the spring when in use. However, in the tensioner with such a structure, it is difficult to adjust the initial torsion of the spring when the tensioner is shipped from the factory, and thus it is difficult to apply the tensioner to a high-torque use environment, so that the practical application range of the tensioner becomes small.
Disclosure of Invention
Aiming at the problems, the invention provides the tensioner with the error-proof end cover and the assembling equipment thereof, wherein the initial torsion of the spring is easy to adjust, so that the initial torsion of the spring is regulated and controlled according to the requirements of different customers before delivery, and the requirements of a large-torque use environment are met.
The technical scheme of the invention is as follows: the belt pulley is hinged to one side of the support plate, a connecting block connected with the support plate into a whole is arranged on the other side of the support plate, the spring support sleeve is sleeved outside the connecting block, a containing groove is formed in the top surface of the connecting block, a containing hole is formed in the bottom of the containing groove, the lower portion of the central shaft penetrates through the containing hole, the bottom of the central shaft is fixedly connected with the spring support sleeve, the end cover is fixedly connected to the top end of the central shaft and located at the groove opening of the containing groove, the spring is sleeved with the central shaft, and two ends of the spring are respectively abutted to the end cover and the connecting block;
the end face, back to the support plate, of the end cover is provided with at least two torsion blind holes, and the end face, back to the support plate, of the spring support sleeve is fixedly connected with at least one positioning bayonet lock;
the supporting plate is characterized in that a pair of limiting blocks is fixedly connected to the side surface of the supporting plate, a limiting hook is fixedly connected to the side surface of the spring supporting sleeve, and one end, far away from the spring supporting sleeve, of the limiting hook is located between the pair of limiting blocks.
The end face, back to the support plate, of the end cover is provided with three torsion blind holes, the distance among the three torsion blind holes is sequentially L1, L2 and L3, and at least two of the L1, L2 and L3 are not equal.
Comprises an upper die base, an upper die, a lower die, a rotary base, a workbench, a lifting driving device and a rotary driving device;
the rotary seat is hinged on the workbench and driven by the rotary driving device to rotate around the axis of the rotary seat, the lifting driving device is vertically arranged, the bottom end of the lifting driving device is fixedly connected with the workbench, and the top end of the lifting driving device is fixedly connected with the upper die base, so that the upper die base is driven by the lifting driving device to do linear lifting motion, and an upper through hole is formed in the center of the upper die base;
lower mould detachable connects the center at the top surface of roating seat, set up on the top surface of lower mould with the slot of location bayonet lock adaptation, and the center fixedly connected with of the top surface of lower mould and the axle of inserting of center pin adaptation, it connects on the bottom surface of upper die base, and is located the lower mould directly over to go up mould detachable, set up on the bottom surface of last mould and twist reverse the bolt of blind hole one-to-one and looks adaptation, go up the center of mould and set up the lower through-hole with last through-hole with the axle center.
The lifting driving devices are hydraulic cylinders, and a pair of lifting driving devices is symmetrically arranged along the center of the rotating seat.
The rotary driving device comprises a motor, a gear and a gear ring, the motor is fixedly connected to the workbench, the gear is fixedly connected to an output shaft of the motor, the gear ring is fixedly sleeved outside the rotary seat and coaxial with the rotary seat, and the gear is matched with the gear ring and meshed with the gear ring.
According to the tensioner, the initial torsion of the spring in the tensioner is very convenient to adjust through the structural design of the torsion blind hole, the positioning clamping pin and the limiting hook, so that the initial torsion of the spring can be adjusted and controlled according to the requirements of different customers before delivery, and the requirement of a large-torque use environment is met. The structure is exquisite, stability is good, easily assembly, advantage such as easily adjust from having on the whole.
Drawings
Figure 1 is a schematic diagram of the construction of the tensioner,
figure 2 is a top view of figure 1,
figure 3 is a bottom view of figure 1,
figure 4 is a cross-sectional view taken along line a-a of figure 2,
figure 5 is a perspective view one of figure 1,
figure 6 is a second perspective view of figure 1,
figure 7 is a schematic view of the construction of the end cap,
the perspective view of figure 7 of figure 8,
FIG. 9 is a schematic structural view of the mounting apparatus;
in the figure, 1 is a belt pulley, 2 is a support plate, 20 is a connecting block, 21 is a limiting block, 3 is an end cover, 31 is a torsion blind hole, 4 is a central shaft, 5 is a spring, 6 is a spring supporting sleeve, 61 is a positioning bayonet lock, and 62 is a limiting hook;
71 is an upper die base, 710 is an upper through hole, 72 is an upper die, 720 is a lower through hole, 721 is a plug pin, 73 is a lower die, 731 is a slot, 732 is a plug shaft, 74 is a rotary base, 75 is a workbench, 76 is a lifting driving device, 771 is a motor, 772 is a gear and 773 is a gear ring.
Detailed Description
The belt pulley 1 is hinged to one side of the support plate 2, a connecting block 20 connected with the support plate 2 into a whole is arranged on the other side of the support plate 2, the spring support sleeve 6 is sleeved outside the connecting block 20, an accommodating groove is formed in the top surface of the connecting block 20, an accommodating hole is formed in the bottom of the accommodating groove, the lower portion of the central shaft 4 penetrates through the accommodating hole, the bottom of the central shaft is fixedly connected with the spring support sleeve 6, the end cover 3 is fixedly connected to the top end of the central shaft 4 and is located at the notch of the accommodating groove, the spring 5 is sleeved on the central shaft 4, and two ends of the spring 5 respectively abut against the end cover 3 and the connecting block 20;
the end face, back to the support plate, of the end cover 3 is provided with at least two torsion blind holes 31, and the end face, back to the support plate 2, of the spring support sleeve 6 is fixedly connected with at least one positioning bayonet pin 61;
a pair of limiting blocks 21 is fixedly connected to the side surface of the support plate 2, a limiting hook 62 is fixedly connected to the side surface of the spring support sleeve 6, and one end, far away from the spring support sleeve 6, of the limiting hook 62 is located between the pair of limiting blocks 21. Therefore, during assembly, the fixed connection between the central shaft and the spring support sleeve can be firstly completed, and then the support plate is placed, so that the connecting block is positioned in the spring support sleeve, and the top end of the limiting hook is positioned between the pair of limiting blocks; then, an operator can sequentially put the spring and the end cover, and the two ends of the spring are respectively lapped in the bottom surface of the end cover and the groove on the inner wall of the accommodating groove; finally, the fixed connection (usually riveting or welding) between the end cap and the central shaft is completed.
Before the fixed connection between the end cover and the central shaft is completed, an operator can pre-compress the spring according to the requirement of a customer on initial torsion, specifically: an operator can support the torsion blind hole and the positioning bayonet lock, and rotate the spring support sleeve or the end cover, firstly make the limit hook contact with one limit block, and then continue to rotate the spring support sleeve or the end cover, so that the support plate and the spring support sleeve synchronously rotate and relatively rotate with the end cover, and the spring is precompressed.
After the precompression is finished, an operator finishes the fixed connection between the end cover and the central shaft, namely the limiting hook can be abutted against one limiting block (the other limiting block can limit the stroke of the tensioner in the using process), and the spring keeps certain initial torsion so as to meet the requirements of customers.
The present case is through the structural design who twists reverse blind hole, location bayonet lock and spacing hook for the regulation of the initial torsion of spring is very convenient in the tensioning ware, thereby can be to different customers' demand before dispatching from the factory, regulates and control the initial torsion of spring, in order to satisfy big moment of torsion service environment demand. The structure is exquisite, stability is good, easily assembly, advantage such as easily adjust from having on the whole.
The end face, back to the support plate, of the end cover is provided with three torsion blind holes, the distance among the three torsion blind holes is sequentially L1, L2 and L3, and at least two of the L1, L2 and L3 are not equal. Therefore, when an operator precompresses the spring, the rotation direction of the end cover can be determined to be a preset direction instead of a reverse direction, the machining efficiency is obviously guaranteed, and the rejection rate is reduced.
The assembling equipment comprises an upper die holder 71, an upper die 72, a lower die 73, a rotating base 74, a workbench 75, a lifting driving device 76 and a rotating driving device;
the rotary seat 74 is hinged on the workbench 75 and driven by the rotary driving device to rotate around the axis of the rotary seat, the lifting driving device 76 is vertically arranged, the bottom end of the lifting driving device 76 is fixedly connected with the workbench 75, and the top end of the lifting driving device 76 is fixedly connected with the upper die holder 71, so that the upper die holder 71 is driven by the lifting driving device 76 to do linear lifting motion, and the center of the upper die holder 71 is further provided with an upper through hole 710;
the center at the top surface of roating seat 74 is connected to lower mould 73 detachable, set up on the top surface of lower mould 73 with the slot 731 of location bayonet pin 61 adaptation, and the center fixedly connected with of the top surface of lower mould 73 with the axle of inserting 732 of center pin 4 adaptation, go up mould 72 detachable connection on the bottom surface of upper die base 71, and be located the lower mould 73 directly over, go up and set up on the bottom surface of mould 72 and twist reverse blind hole 31 one-to-one and looks adaptation bolt 721, go up the center of mould 72 and set up the lower through-hole 720 with the same axle center of last through-hole 710. Therefore, an operator can put the central shaft and the spring support which are fixedly connected on the lower die in a sleeved mode, enable the limiting bayonet lock to be inserted into the slot, and then put the support plate, the spring and the end cover into the slot, and enable two ends of the spring to be respectively lapped in the bottom surface of the end cover and the groove on the inner wall of the containing groove. Thereafter, an operator can drive the upper die to move downwards through the lifting driving device, and all the pins are inserted into the torsion blind holes. Finally, an operator can open the rotary driving device to control the lower die to rotate, the spring support sleeve and the end cover rotate relatively, and the support plate and the end cover rotate relatively after the limit hook is contacted with one limit block, so that the spring can be pre-compressed according to the requirement of a client on initial torsion.
After the pre-compression is finished, an operator can finish the fixed connection of the end cover and the central shaft in a riveting or welding mode through the reserved space of the upper through hole and the lower through hole. The spring pre-compression device has the advantages of high assembly speed, good spring pre-compression effect and the like.
The lifting driving devices 76 are hydraulic cylinders, and a pair of the lifting driving devices is symmetrically arranged along the center of the rotating base. Thereby the upper die base is driven to linearly lift through the hydraulic cylinder.
The rotary driving device comprises a motor 771, a gear 772 and a gear ring 773, the motor 771 is fixedly connected to the workbench 75, the gear 772 is fixedly connected to an output shaft of the motor 771, the gear ring 773 is fixedly sleeved outside the rotary base 74 and coaxial with the rotary base 74, and the gear 772 and the gear ring 773 are matched and meshed with each other. Therefore, the rotating seat and the lower die can be driven to rotate after the motor is started.
Claims (5)
1. A tensioner with a mistake-proof end cover comprises a belt pulley, a support plate, an end cover, a central shaft, a spring and a spring support sleeve, wherein the belt pulley is hinged to one side of the support plate, a connecting block connected with the support plate into a whole is arranged on the other side of the support plate, the spring support sleeve is sleeved outside the connecting block, a containing groove is formed in the top surface of the connecting block, a containing hole is formed in the bottom of the containing groove, the lower portion of the central shaft penetrates through the containing hole, the bottom of the central shaft is fixedly connected with the spring support sleeve, the end cover is fixedly connected to the top end of the central shaft and is located at the groove opening of the containing groove, the spring is sleeved with the central shaft, and two; it is characterized in that the preparation method is characterized in that,
the end face, back to the support plate, of the end cover is provided with at least two torsion blind holes, and the end face, back to the support plate, of the spring support sleeve is fixedly connected with at least one positioning bayonet lock;
the supporting plate is characterized in that a pair of limiting blocks is fixedly connected to the side surface of the supporting plate, a limiting hook is fixedly connected to the side surface of the spring supporting sleeve, and one end, far away from the spring supporting sleeve, of the limiting hook is located between the pair of limiting blocks.
2. The tensioner as claimed in claim 1, wherein the end surface of the end cap facing away from the support plate has three blind torsion holes, and the three blind torsion holes are sequentially spaced at intervals of L1, L2, L3, and at least two of L1, L2 and L3 are not equal.
3. The assembly apparatus of claim 1, comprising an upper die base, an upper die, a lower die, a rotary base, a worktable, a lifting driving device, a rotary driving device;
the rotary seat is hinged on the workbench and driven by the rotary driving device to rotate around the axis of the rotary seat, the lifting driving device is vertically arranged, the bottom end of the lifting driving device is fixedly connected with the workbench, and the top end of the lifting driving device is fixedly connected with the upper die base, so that the upper die base is driven by the lifting driving device to do linear lifting motion, and an upper through hole is formed in the center of the upper die base;
lower mould detachable connects the center at the top surface of roating seat, set up on the top surface of lower mould with the slot of location bayonet lock adaptation, and the center fixedly connected with of the top surface of lower mould and the axle of inserting of center pin adaptation, it connects on the bottom surface of upper die base, and is located the lower mould directly over to go up mould detachable, set up on the bottom surface of last mould and twist reverse the bolt of blind hole one-to-one and looks adaptation, go up the center of mould and set up the lower through-hole with last through-hole with the axle center.
4. The assembling apparatus of tensioner with mistake proofing end cap as claimed in claim 3, wherein said elevating driving means is a hydraulic cylinder, and said elevating driving means is provided with a pair symmetrically along the center of the rotary base.
5. The assembling device for the tensioner with the mistake proofing end cover according to claim 3, wherein the rotary driving device comprises a motor, a gear and a gear ring, the motor is fixedly connected to the workbench, the gear is fixedly connected to an output shaft of the motor, the gear ring is fixedly sleeved outside the rotating base and coaxial with the rotating base, and the gear ring are matched and meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199707.9A CN110778669B (en) | 2019-11-29 | 2019-11-29 | Tensioner with error-proof end cover and assembly equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199707.9A CN110778669B (en) | 2019-11-29 | 2019-11-29 | Tensioner with error-proof end cover and assembly equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110778669A true CN110778669A (en) | 2020-02-11 |
| CN110778669B CN110778669B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911199707.9A Active CN110778669B (en) | 2019-11-29 | 2019-11-29 | Tensioner with error-proof end cover and assembly equipment thereof |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030017894A1 (en) * | 2001-07-05 | 2003-01-23 | Ina-Schaeffler Kg | Tensioner |
| CN1537206A (en) * | 2001-07-31 | 2004-10-13 | ���﹫˾ | Belt tensioner with installation pin |
| CN202264059U (en) * | 2011-10-21 | 2012-06-06 | 无锡永凯达齿轮有限公司 | Automatic tooling for spring baseboard of engine belt tightener |
| CN104913015A (en) * | 2015-06-08 | 2015-09-16 | 重庆大学 | Automatic damping-adjustable belt tensioner |
| CN105508529A (en) * | 2015-12-31 | 2016-04-20 | 温州博立汽车科技有限公司 | Asymmetric high-damping belt tensioning pulley |
| CN108278343A (en) * | 2018-03-31 | 2018-07-13 | 华南理工大学 | A kind of variation rigidity both arms automatic tensioner |
| CN211371189U (en) * | 2019-11-29 | 2020-08-28 | 江苏亚廷汽车科技有限公司 | Tensioner with error-proof end cover and assembling equipment thereof |
-
2019
- 2019-11-29 CN CN201911199707.9A patent/CN110778669B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030017894A1 (en) * | 2001-07-05 | 2003-01-23 | Ina-Schaeffler Kg | Tensioner |
| CN1537206A (en) * | 2001-07-31 | 2004-10-13 | ���﹫˾ | Belt tensioner with installation pin |
| CN202264059U (en) * | 2011-10-21 | 2012-06-06 | 无锡永凯达齿轮有限公司 | Automatic tooling for spring baseboard of engine belt tightener |
| CN104913015A (en) * | 2015-06-08 | 2015-09-16 | 重庆大学 | Automatic damping-adjustable belt tensioner |
| CN105508529A (en) * | 2015-12-31 | 2016-04-20 | 温州博立汽车科技有限公司 | Asymmetric high-damping belt tensioning pulley |
| CN108278343A (en) * | 2018-03-31 | 2018-07-13 | 华南理工大学 | A kind of variation rigidity both arms automatic tensioner |
| CN211371189U (en) * | 2019-11-29 | 2020-08-28 | 江苏亚廷汽车科技有限公司 | Tensioner with error-proof end cover and assembling equipment thereof |
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| Publication number | Publication date |
|---|---|
| CN110778669B (en) | 2024-03-15 |
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