CN106545626B - Remote accurate 2 to 1 transmission mechanisms of heavy load parallel axes - Google Patents
Remote accurate 2 to 1 transmission mechanisms of heavy load parallel axes Download PDFInfo
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- CN106545626B CN106545626B CN201610960890.XA CN201610960890A CN106545626B CN 106545626 B CN106545626 B CN 106545626B CN 201610960890 A CN201610960890 A CN 201610960890A CN 106545626 B CN106545626 B CN 106545626B
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- briquetting
- flexible body
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- transmission
- reinforcing plate
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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
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G9/00—Ropes or cables specially adapted for driving, or for being driven by, pulleys or other gearing elements
-
- 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
- F16H7/04—Gearings for conveying rotary motion by endless flexible members with ropes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, which is mainly made of input shaft, output shaft, flexible transmission part, preload briquetting, end fixed block etc..Wherein input shaft is parallel with output shaft, is connected using flexible transmission part, and the both ends of flexible transmission part are fixed on output shaft, and the middle section of flexible transmission part is fixed on input shaft.Input shaft drives flexible transmission part, flexible transmission part to draw output shaft rotation simultaneously when rotating., it can be achieved that the function that driving end and load end parallel 2 to 1 are driven in the case of remote heavy load after entirely the input shaft and output shaft of mechanism are connected with the driving end of finite angle equipment and load end.The mechanism has high transmission accuracy, and transmission stiffness is high, and simple in construction, easy to disassemble and assemble, processing cost is low, the features such as being easy to be engineered, can solve the problems, such as that traditional transmission mode is difficult to realize remote heavy load parallel axes precision 2 to 1 and is driven.
Description
Technical field
The invention belongs to transmission fields, relate generally to a kind of transmission mechanism, can meet finite angle equipment to remote big
Load the demand of 2 to 1 transmission agency of parallel axes precision.
Background technology
Accurate 2 to 1 transmission mechanisms of many finite angle device requirements at present, the stab ilized electro-optical sight system such as stablized in speculum
In, it is desirable that the relationship of sight line corner and mirror corners satisfaction 2 to 1 requires driving end to realize the stable inertia of the optical axis
With load end parallel drive and the relationship of corner satisfaction 2 to 1.It is smaller in load inertia (speculum) distance between transmission shaft
In the case of, traditional Flexible Transmission mode (steel band and steel wire rope) or swing link transmission can meet requirement.But it is right
In the driving of parallel axes of remote heavy load, traditional Flexible Transmission mode has been difficult to meet servo-drive system to high transmission stiffness
It is required that such as in traditional speculum stabilization, two-parallel axis (transmission shaft and speculum axis) centre-to-centre spacing is only tens millimeters, reflection
The weight of mirror is only a few hectograms.And go deep into product development, certain photovoltaic design requirement transmission shaft and speculum at present
The distance between axis will reach 176mm, and the weight of speculum is even more to have reached 19Kg, and servo bandwidth requires to reach the left sides 30Hz
The right side, the conventional flex kind of drive can no longer meet demand.Although although swing link transmission has high transmission stiffness, due to occupying
Spatial volume is larger, is not appropriate for using in compact-sized finite angle equipment.Therefore, design it is a kind of it is compact-sized,
2 to 1 transmission mechanisms that remote heavy load driving of parallel axes demand can be met are particularly urgent.
Invention content
The object of the present invention is to provide a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, the transmission mechanisms one
The demand that aspect meets the driving end of finite angle equipment and load end 2 to 1 is driven, on the other hand meets finite angle equipment
Drive end and load end under remote heavy load condition (as described above, the distance between transmission shaft and speculum axis reach
The weight of 176mm, speculum have reached 19Kg), the demand of high rigidity high-precision transmission.
In order to solve the above technical problems, the technical scheme is that：
Accurate 2 to 1 transmission mechanisms of a kind of remote heavy load parallel axes, it is characterised in that：By input shaft, output
Axis, flexible transmission part pre-tighten briquetting, T-type fixed block composition；
The input shaft is cylinder, and input shaft end face is useful for the threaded hole at connection finite angle device drives end；It is defeated
Entering the preparation of axial cylindrical body side surface has several semi-circular recesses, and hole, semi-circular recesses and preload are threaded in semi-circular recesses
Flexible body component is pre-tightened and is fixed in semi-circular recesses by briquetting cooperation；
The output shaft is cylinder, and output shaft end face is useful for the threaded hole at connection finite angle apparatus of load end；It is defeated
The preparation of shaft cylindrical sides has several semi-circular recesses and a rectangular recess, is machined in semi-circular recesses and rectangular recess
Flexible body component is pre-tightened and is fixed in semi-circular recesses with briquetting cooperation is pre-tightened by threaded hole, semi-circular recesses, rectangular recess
For fixing T-type fixed block；
The flexible transmission part is made of flexible body, reinforcing plate and briquetting；The reinforcing plate includes upper reinforcing plate under
Reinforcing plate, upper reinforcing plate and lower reinforcing plate are fastened by screw and clamp flexible body overhanging portion；The briquetting include top briquetting,
Intermediate pressing block and lower part briquetting；Flexible body end is around intermediate pressing block and respectively by top briquetting and intermediate pressing block, and centre
Briquetting is compressed with lower part briquetting；The briquetting is fixed on T-type fixed block；
Shaft diameter, output shaft diameter and flexible 2 to 1 transmission of body thickness satisfaction is inputted to require.
Further preferred embodiment, a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, feature exist
In：The flexible body is steel wire rope group or steel band.
Further preferred embodiment, a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, feature exist
In：The upper reinforcing plate is plane with flexible body binding face, and another side has weight loss groove.
Further preferred embodiment, a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, feature exist
In：When flexible body is steel wire rope, the semi-circular recesses of cooperation steel wire rope are provided on the lower reinforcing plate and flexible body binding face,
Another side has weight loss groove；When flexible body is steel band, the lower reinforcing plate is plane with flexible body binding face, and another side has
Weight loss groove.
Further preferred embodiment, a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, feature exist
In：When flexible body is steel wire rope, it is provided with and matches on the face that the preload briquetting, top briquetting and lower part briquetting coordinate with flexible body
Close the semi-circular recesses of steel wire rope.
Advantageous effect
The overall technology effect of the present invention is embodied in following two aspects：
1, input shaft and output shaft parallel drive in transmission mechanism of the invention, are processed respectively on the input shaft and the output shaft
Groove.The middle section of flexible body component is fixed on by pre-tightening briquetting on input shaft, the portion close to both ends of flexible body component
Divide and be fixed on output shaft by pre-tightening briquetting, the overhanging portion of flexible body is using reinforcement board clamping.By input shaft and output shaft
It is connected with the driving end of finite angle equipment and load end respectively, it can be achieved that the high-accuracy high rigidity of finite angle device requirement passes
Dynamic function.Mechanism is pressed using steel wire rope group or steel band as flexible body, and at flexible body both ends and overhanging portion
Tight and reinforcement, the elongation of flexible body is reduced in the case where ensureing effective corner, when improving remote heavy load transmission
The transmission stiffness of flexible body.
2, accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes of the invention, with simple in structure, spatial volume is small,
The features such as processing cost is low, easy for installation, high transmission accuracy and high transmission stiffness disclosure satisfy that finite angle equipment to remote
The demand of the driving of parallel axes in the case of heavy load.
Description of the drawings
Fig. 1 is the assembling schematic diagram of the present invention.
Fig. 2 is input shaft schematic diagram shown in Fig. 1.
Fig. 3 is output shaft schematic diagram shown in Fig. 1.
Fig. 4 is flexible transmission part schematic diagram shown in Fig. 1.
Fig. 5 is briquetting schematic diagram in top shown in Fig. 4.
Fig. 6 is intermediate pressing block schematic diagram shown in Fig. 4.
Fig. 7 is briquetting schematic diagram in lower part shown in Fig. 4.
Fig. 8 is upper reinforcing plate schematic diagram shown in Fig. 4
Fig. 9 is lower reinforcing plate schematic diagram shown in Fig. 4
Figure 10 is T-type fixed block schematic diagram shown in Fig. 1.
Figure 11 is to pre-tighten briquetting schematic diagram shown in Fig. 1 greatly.
Figure 12 is small preload briquetting schematic diagram shown in Fig. 1.
Figure 13 is the sectional arrangement drawing of the present invention.
Wherein：1, input shaft；2, output shaft；3, small pre-pressing block；4, big pre-pressing block；5, flexible transmission part；6, T-type
Fixed block；7, upper reinforcing plate；8, lower reinforcing plate；9, flexible body；10, top briquetting；11, intermediate pressing block；12, lower part briquetting.
Specific implementation mode
The present invention is described with reference to specific embodiment：
The object of the present invention is to provide a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, the transmission mechanisms one
The demand that aspect meets the driving end of finite angle equipment and load end 2 to 1 is driven, on the other hand meets finite angle equipment
Drive end and load end under remote heavy load condition, such as the distance between transmission shaft and speculum axis reach 176mm, instead
The weight for penetrating mirror has reached 19Kg, the demand of high rigidity high-precision transmission.
As shown in Figure 1, accurate 2 to 1 transmission mechanisms of the remote heavy load parallel axes are by input shaft, output shaft, flexible biography
Dynamic component pre-tightens briquetting, T-type fixed block composition；Two axis centers are away from for 176mm.
As shown in Fig. 2, the input shaft is that (it is 46mm, axial length to input shaft diameter d in this example to cylinder hollow shaft
34mm), input shaft end face is useful for the threaded hole at connection finite angle device drives end；The preparation of input shaft cylindrical sides has three
A semi-circular recesses, the angle theta between groove is 45 °, and the bottom of a semicircular groove processes three groups of threaded holes, semi-circular recesses respectively
The tension of flexible body component can be adjusted by screw fit with preload briquetting and flexible body is fixed in semi-circular recesses, this
Kind fixed form can avoid the opposite sliding between flexible body and input shaft, ensure that the transmission accuracy of the mechanism.
As shown in figure 3, the output shaft is that (it is 93.5m, axial length to input shaft diameter D in this example to cylinder hollow shaft
34mm), it and processes there are five lightening hole, output shaft end face is useful for the threaded hole at connection finite angle apparatus of load end；Output
Axial cylindrical body side surface is prepared there are four semi-circular recesses and a rectangular recess, and hole is threaded on the platform of rectangular recess,
For installing T-type fixed block.Angle theta between semi-circular recesses is 25 °, and φ is 38 °.The bottom of a semicircular groove processes four respectively
Group threaded hole by screw and pre-tightens the tension of briquetting cooperation adjustable flexible body and flexible body is anchored on semi-circular recesses
In, avoid the opposite sliding between flexible body and output shaft.
As shown in figure 4, the flexible transmission part is made of flexible body, reinforcing plate and briquetting.Flexible body is steel wire rope group
Or steel band.The reinforcing plate includes upper reinforcing plate and lower reinforcing plate, and upper reinforcing plate and lower reinforcing plate are clamped soft by screw fastening
Property body overhanging portion, it is therefore an objective to keep the flexible body of overhanging portion indeformable.The briquetting include top briquetting, intermediate pressing block and under
Portion's briquetting；It is pressed with lower part around intermediate pressing block and respectively by top briquetting and intermediate pressing block and intermediate pressing block flexible body end
Block compresses, and can avoid flexible body and loosens.The intermediate overhanging portion of flexible body is fixed on input shaft, and both ends are solid after being compressed with briquetting
It is scheduled on T-type fixed block, and then is fixed on output shaft.
In the present embodiment, flexible body is steel wire rope group, and two groups are mounted side by side, every group five, every wirerope diameter drope
For 1.5mm, number of share of stock is 7 × 19.Reinforcing plate is installed in the overhanging portion of steel wire rope group, it is therefore an objective within the scope of finite angle, drop
The elongation of less flexible body improves transmission stiffness.
It is illustrated in figure 5 top briquetting, L-shaped, wherein prepared by bottom surface there are two groups of semicircle guide grooves, steel wire rope can be made to have
Sequence arranges, and is clamped steel cord ends by screw-nut.The trepanning in vertical wall is for connecting, adjusting with T-type fixed block
Save the initial tension of steel wire rope.
It is illustrated in figure 6 intermediate pressing block, is in "-" type, is mainly used to the end of clamping steel wire rope.
It is illustrated in figure 7 lower part briquetting, is in "-" type, semicircle guide groove is carved on its surface, it is therefore an objective to clamp steel
Make steel wire rope ordered arrangement when cord group end.
It is illustrated in figure 8 upper reinforcing plate, is one piece of rectangular slab (long 131mm, wide 32mm), loss of weight is provided in the side of plate
Slot, the other side are plane.The steel wire rope of overhanging portion can be clamped by being used cooperatively with lower reinforcing plate.
It is illustrated in figure 9 lower reinforcing plate and one piece of rectangular slab (long 131mm, wide 32mm), loss of weight is provided in the side of plate
Guide groove is carved in slot, the other side.The steel wire rope of overhanging portion can be clamped by being used cooperatively with upper reinforcing plate.
It is T-type fixed block as shown in Figure 10, is mounted on by screw in the rectangular recess of output shaft.Vertical wall passes through screw
It is connect with the top briquetting of steel wire rope group, for adjusting the initial tension of steel wire rope group.
Briquetting is pre-tightened to be big as shown in figure 11, side is semi- cylindrical, and is carved with steel wire rope guide groove, in this way can be preferably
Steel wire rope is compressed, the other side is plane, i.e. mounting screw face.The big briquetting that pre-tightens has use on the input shaft and the output shaft.
It is small preload briquetting as shown in figure 12, similar with big preload briquetting, side is semi- cylindrical, and is carved with steel wire rope
Guide groove, the other side are mounting screw face.Since input shaft space is limited, big preload briquetting can be used in input shaft intermediate groove,
Both sides semicircle groove is suitble to small preload briquetting, advantageously ensures that input shaft angle range.
It is the sectional arrangement drawing of the invention mechanism as shown in figure 13.The transmission ratio of entire transmission mechanism is i=(D+drope)/
(d+drope) (transmission ratio i=2, D are output shaft diameter in this example, and d is input shaft diameter, dropeFor wirerope diameter).Turning
During dynamic, steel wire rope group is tangent with input shaft and output shaft always, ensure that accurate transmission ratio.Steel wire rope is shorter, stress
It deforms smaller.Therefore, under the premise of meeting angle range needed for finite angle equipment, reinforce in the hanging section installation of steel wire rope group
Plate, the part that steel wire rope group is not involved in rotation are compressed with briquetting is pre-tightened, and are remarkably improved the transmission stiffness of steel wire rope group, are avoided
The sliding of steel wire rope group.Transmission mechanism in this example can meet input shaft ± 10 °, the corner demand of output shaft ± 5 °, negative
Carry speculum (the load inertia 0.45kgm of end installation weight 19kg2) when, servo bandwidth can reach 30Hz or so.
The installation of entire transmission mechanism and the use of program is that T-type fixed block is fixed on output shaft first, then will be defeated
Enter axis and output shaft to be respectively connected with the driving end of finite angle equipment and load end.According to outputting and inputting axis center away from preparation
The steel wire rope group of appropriate length, and reinforcing plate is fixed on to the hanging section of steel wire rope group, steel wire rope group both ends are compressed with briquetting.With
Wire rope gearing component is bypassed into input shaft afterwards, steel wire group both ends are fixed on T-type fixed block, is adjusted on T-type fixed block
Screw makes wire rope gearing component have certain tension, with it is big pre-tighten briquetting steel wire rope group is fixed on it is big among input shaft
In semi-circular recesses.Finally compress the four big preload briquetting on two small preload briquetting and the output shaft on input shaft.Entirely
Mechanism assesses the Tensity size in steel wire rope part after installation is complete, if tension is improper, unclamps except input shaft is broad in the middle pre-
Press other briquettings outside block, preload briquetting is compressed again after finely tuning the screw on T-type fixed block, until in steel wire rope part
Until tension is suitable, and transmission stiffness meets servo demand.
Claims (5)
1. a kind of accurate 2 to 1 transmission mechanisms of remote heavy load parallel axes, it is characterised in that：By input shaft, output shaft, flexibility
Transmission parts pre-tighten briquetting, T-type fixed block composition；
The input shaft is cylinder, and input shaft end face is useful for the threaded hole at connection finite angle device drives end；Input shaft
Cylindrical sides preparation has several semi-circular recesses, and hole, semi-circular recesses and preload briquetting are threaded in semi-circular recesses
Flexible body component is pre-tightened and is fixed in semi-circular recesses by cooperation；
The output shaft is cylinder, and output shaft end face is useful for the threaded hole at connection finite angle apparatus of load end；Output shaft
Cylindrical sides preparation has several semi-circular recesses and a rectangular recess, is threaded in semi-circular recesses and rectangular recess
Flexible body component is pre-tightened and is fixed in semi-circular recesses with briquetting cooperation is pre-tightened by hole, semi-circular recesses, and rectangular recess is used for
Fixed T-type fixed block；
The flexible transmission part is made of flexible body, reinforcing plate and Flexible Transmission briquetting；The reinforcing plate includes upper reinforcing plate
And lower reinforcing plate, upper reinforcing plate and lower reinforcing plate are fastened by screw and clamp flexible body overhanging portion；The Flexible Transmission briquetting
Including top briquetting, intermediate pressing block and lower part briquetting；Flexible body end is around intermediate pressing block and respectively by top briquetting and centre
Briquetting and intermediate pressing block are compressed with lower part briquetting；The Flexible Transmission briquetting is fixed on T-type fixed block；
Shaft diameter, output shaft diameter and flexible 2 to 1 transmission of body thickness satisfaction is inputted to require.
2. accurate 2 to 1 transmission mechanisms of a kind of remote heavy load parallel axes according to claim 1, it is characterised in that：It is described
Flexible body is steel wire rope group or steel band.
3. accurate 2 to 1 transmission mechanisms of a kind of remote heavy load parallel axes according to claim 2, it is characterised in that：It is described
Upper reinforcing plate is plane with flexible body binding face, and another side has weight loss groove.
4. accurate 2 to 1 transmission mechanisms of a kind of remote heavy load parallel axes according to claim 3, it is characterised in that：When soft
Property body when being steel wire rope, the semi-circular recesses of cooperation steel wire rope, another side are provided on the lower reinforcing plate and flexible body binding face
With weight loss groove；When flexible body is steel band, the lower reinforcing plate is plane with flexible body binding face, and another side has loss of weight
Slot.
5. accurate 2 to 1 transmission mechanisms of a kind of remote heavy load parallel axes according to claim 2, it is characterised in that：When soft
Property body when being steel wire rope, it is described pre-tighten briquetting, top briquetting and lower part briquetting are provided with cooperation steel wire on the face of flexible body cooperation
The semi-circular recesses of rope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610960890.XA CN106545626B (en) | 2016-11-04 | 2016-11-04 | Remote accurate 2 to 1 transmission mechanisms of heavy load parallel axes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960890.XA CN106545626B (en) | 2016-11-04 | 2016-11-04 | Remote accurate 2 to 1 transmission mechanisms of heavy load parallel axes |
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| CN106545626A CN106545626A (en) | 2017-03-29 |
| CN106545626B true CN106545626B (en) | 2018-10-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112944406A (en) * | 2021-04-19 | 2021-06-11 | 嵊州明智科技服务有限公司 | Control method of flexible control system of gas stove |
| CN112944407A (en) * | 2021-04-19 | 2021-06-11 | 嵊州明智科技服务有限公司 | Flexible control system of gas stove |
| CN113685516A (en) * | 2021-08-30 | 2021-11-23 | 南京佗道医疗科技有限公司 | Adjustable steel belt mechanism |
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| CN202484235U (en) * | 2012-03-19 | 2012-10-10 | 河南平原光电有限公司 | Self-adjusting large-turning-angle precision steel belt transmission mechanism |
| US8297401B1 (en) * | 2011-11-10 | 2012-10-30 | The Gates Corporation | Vehicle steering system transmission |
| CN105114564A (en) * | 2015-09-02 | 2015-12-02 | 西安应用光学研究所 | Coaxial limited angle precision 2:1 transmission device |
| CN205260742U (en) * | 2015-11-29 | 2016-05-25 | 西南技术物理研究所 | Limited corner zero -clearance flexible transmission mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8215212B2 (en) * | 2008-06-05 | 2012-07-10 | Pro-Cut Licensing Company, Llc | On-vehicle brake lathe with indirect drive |
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2016
- 2016-11-04 CN CN201610960890.XA patent/CN106545626B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8297401B1 (en) * | 2011-11-10 | 2012-10-30 | The Gates Corporation | Vehicle steering system transmission |
| CN202484235U (en) * | 2012-03-19 | 2012-10-10 | 河南平原光电有限公司 | Self-adjusting large-turning-angle precision steel belt transmission mechanism |
| CN105114564A (en) * | 2015-09-02 | 2015-12-02 | 西安应用光学研究所 | Coaxial limited angle precision 2:1 transmission device |
| CN205260742U (en) * | 2015-11-29 | 2016-05-25 | 西南技术物理研究所 | Limited corner zero -clearance flexible transmission mechanism |
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