CN105129390A - Air-cylinder-driving swing-arm-type lifting mechanism - Google Patents
Air-cylinder-driving swing-arm-type lifting mechanism Download PDFInfo
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- CN105129390A CN105129390A CN201510503986.9A CN201510503986A CN105129390A CN 105129390 A CN105129390 A CN 105129390A CN 201510503986 A CN201510503986 A CN 201510503986A CN 105129390 A CN105129390 A CN 105129390A
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- swing arm
- lifting mechanism
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- type lifting
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Abstract
The invention discloses an air-cylinder-driving swing-arm-type lifting mechanism. The air-cylinder-driving swing-arm-type lifting mechanism comprises a machine frame, a supporting plate, an air cylinder, a connecting rod, at least two shaft bases and at least two swing arms. The swing arms are hinged to the shaft bases through rotating shafts, the connecting points are A, and the connecting points A are located in the middles of the swing arms; and the lower ends of the swing arms are hinged to the connecting rod, the connecting points are B, and the distance between each connecting point A and the corresponding connecting point B is R1. The upper ends of the swing arms are in contact with the lower surface of the supporting plate, the contacting faces are arcs, and the distance between the centre point C of each arc and the corresponding connecting point A is R2. By means of the air-cylinder-driving swing-arm-type lifting mechanism, the problem that a roller way conveying line does not adapt to large loads is successfully solved; and meanwhile the good adaptability is achieved in spatial arrangement, the bearing capacity of the lifting mechanism can be adjusted by adjusting the parameters of the air cylinder and designing the parameters of the swing arms, and the requirements of the different lifting speeds, the different lifting strokes and the spatial arrangement of devices can be met. The air-cylinder-driving swing-arm-type lifting mechanism is simple in structure, stable in operation, reliable and durable.
Description
Technical field
The application relates to a kind of lifting mechanism, is specially a kind of air cylinder driven swing arm type lifting mechanism, belongs to technical field of engineering machinery.
Background technology
Along with the fast development of domestic project machinery industry, the fitting line device requirement of product batch manufacturing is got more and more.Roller path transmission line is the one assembling load transfer device of widespread use in commercial production, and lifting mechanism roller path transmission line lifts the main device that assembling pallet making it is separated with raceway.
The design of current construction machinery industry vehicle part fitting line generally adopts the Race Line conveying assembling tray mode in auto trade widespread use.
Such as application number is 201410544250.1, denomination of invention is a kind of patent of fitting line conveying raceway, disclosed in it, technical scheme comprises raceway, raceway comprises support, support is provided with the reducing motor of multiple cylinder and head roll rotation, support is also provided with anti-by device, instead comprise base by device, base is hinged with rotor plate, rotor plate comprises lower end gravity plate, middle articulated slab and upper end barrier plate, middle articulated slab by rotating shaft and base hinged, base is provided with the limit shaft be positioned at below the gravity plate of lower end, upper end barrier plate is fixed with horizontal block.
Such as application number is 201410373527.9 again, denomination of invention is a kind of flexibility fitting line raceway delivery system energy saver and method, described flexibility fitting line raceway delivery system energy saver comprises raceway system, described raceway system comprises at least one raceway section, each raceway section is provided with at least one station, at least one station of raceway system is provided with stopper, each station has station PLC control system, described raceway system has raceway PLC control system, it is characterized in that, by network or field bus communication between described station PLC control system and described raceway PLC control system.Raceway delivery system provided by the invention passes through handshake with all stations within the scope of its conveying, after needing the demand opening, stop raceway to make comprehensive descision to station, the opening of automatic control raceway, stop, but changing dynamic assembly fitting line raceway delivery system in the past completely does not need conveying workpieces still not constantly running and waste the situation of electric energy.
Auto trade workpiece quality is less, small volume, the quality of assembling pallet and workpiece can directly act on raceway, for the assembly station having light load bearing requirements, the general cylinder direct-push lifting mechanism that adopts holds up carrying, and the workpiece quality of construction machinery industry is large, volume is large, some workpiece sole mass reaches 200kg, and adding a lot of assembly process needs to carry out striking dress and press-fiting operation, traditional direct-push lifting mechanism out of reach load bearing requirements.
Summary of the invention
The object of the application is to provide a kind of air cylinder driven swing arm type lifting mechanism that can realize carrying out large carrying on roller path transmission line.
For solving the problems of the technologies described above, the technical scheme that the application adopts is:
oneplant air cylinder driven swing arm type lifting mechanism, comprising:
Frame;
Supporting plate, described supporting plate is positioned at the top of frame;
Cylinder, described cylinder is fixed in frame, and the piston of cylinder stretches in the horizontal direction;
Connecting rod, one end of described connecting rod is connected with the piston rod of cylinder;
At least two axle beds, described axle bed is arranged at the upper surface of frame;
At least two swing arms, described swing arm is articulated with on axle bed by rotating shaft, and point of connection is A, and point of connection A is positioned at the midway location of swing arm, the lower end of swing arm and rod hinge connection, and point of connection is B, and the spacing of some A and B is R1; The upper end of swing arm contacts with supporting plate lower surface, and contact surface is one section of circular arc, and the distance between the centre point C of this circular arc and some A is R2, and the angle between the straight line AC by a C and A and the straight line AB by some A and B is θ.
Preferably, R1 is greater than R2.
Described swing arm is bending structure, and bending angle is obtuse angle.
Described bending angle is 120 degree to 160 degree.
The lower surface of described supporting plate is fixed with at least two limited posts, and limited post moves together with supporting plate, and in swing arm swing process to the right, carries out spacing to it, prevents from swinging position.
oneplant the principle of work of air cylinder driven swing arm type lifting mechanism:
Be converted in the process of supporting plate vertical uplift in cylinder horizontal drive, high-mechanic lifting mechanism completes the transformation of cylinder thrust size, direction and stroke.The coupling end of the swing arm of this mechanism and supporting plate and connecting rod is respectively large and small end, and large and small end length lever ratio achieves the amplification of cylinder thrust; Swing arm swings the change achieving cylinder thrust direction of transfer; What swing arm pivot angle achieved supporting plate lifts micro travel, after the more important thing is that the swing arm shaped angles of this mechanism is coupled with pendulum angle, the contact position of swing arm and supporting plate is positioned at directly over rotating shaft, supporting plate is directly carried on rotating shaft, do not limit by cylinder propulsive effort size, elastic support is converted into non-yielding prop, substantially increases the load lifting carrying.
After the application adopts said structure, there is following technique effect:
Air cylinder driven swing arm type lifting mechanism successfully solves a difficult problem for inadaptable large carrying on roller path transmission line, be set up at space cloth simultaneously and also have good comformability, this lifting mechanism adjusts its load-carrying capacity by the parameter of the parameter and design swing arm that adjust cylinder, can adapt to the requirement that difference is lifted speed, lifted stroke and device space layout.This apparatus structure is simple, operate steadily and reliability and durability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows the integral structure of the application;
Fig. 2 shows the integral structure of swing arm;
In Fig. 3, a, b, c show the forced stroke state of swing arm;
In figure: 1, frame; 2, supporting plate; 3, cylinder; 4, connecting rod; 5, axle bed; 6, swing arm; 7, limited post; H is for lifting stroke; V
cylinderfor cylinder running velocity; V is V
cylindercomponent in vertical direction; A is the hinge-point of swing arm and rotating shaft; B is the hinge-point of swing arm and connecting rod; C is the center of circle of swing arm and blade contacts face circular arc; R1 is the spacing of an A and B; R2 is the distance between a C and some A; θ is the angle between straight line AC and straight line AB; α is straight line AB and the angle vertically between vertical line; ω R2 is the linear velocity of swing arm upper end; ω R1 is the linear velocity of swing arm lower end.
Detailed description of the invention
For making the object of the application and technical scheme clearly, be clearly and completely described below in conjunction with the technical scheme of the embodiment of the present application to the application.Obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment of described the application, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the application's protection.
Embodiment 1
As shown in Figure 1,
oneplant air cylinder driven swing arm type lifting mechanism, comprising:
Frame 1;
Supporting plate 2, described supporting plate 2 is positioned at the top of frame 1;
Cylinder 3, described cylinder 3 is fixed on machine 1 frame, and the piston of cylinder 3 stretches in the horizontal direction;
Connecting rod 4, one end of described connecting rod 4 is connected with the piston rod of cylinder 3;
At least two axle beds 5, described axle bed 5 is arranged at the upper surface of frame 1;
At least two swing arms 6, swing arm 6 is bending structure, and bending angle is obtuse angle, described swing arm 6 is articulated with on axle bed 5 by rotating shaft, and point of connection is A, and point of connection A is positioned at the midway location of swing arm 6, lower end and the connecting rod 4 of swing arm 6 are hinged, and point of connection is B, and the spacing of some A and B is R1; The upper end of swing arm 6 contacts with supporting plate 2 lower surface, and contact surface is one section of circular arc, and the distance between the centre point C of this circular arc and some A is R2, and the angle between the straight line AC by a C and A and the straight line AB by some A and B is θ.
As shown in Figure 2,3, the parallel motion of cylinder 3 is converted into the perpendicular movement of supporting plate 2 by swing arm 6, and swing arm 6 lower end is at cylinder running velocity V
cylindercarry out the rotation of ω angle around rotating shaft under promotion, the rotation of ω angle is carried out equally in swing arm 6 upper end, and rotation process decomposes vertical direction and realizes speed V rising:
ω R1=V
cylindercos α
V=ωR2sin（α+θ）
That is: V=V
cylinderr2cos α sin(α+θ)/R1
Lift stroke H=R2 [1-cos(α+θ)]
Embodiment 2
The difference of the present embodiment and embodiment 1 is, preferred described bending angle is 120 degree to 160 degree.
Other are same as embodiment 1.
Embodiment 3
The difference of the present embodiment and embodiment 1 is, the lower surface of described supporting plate 2 is fixed with at least two limited posts 7.
Other are same as embodiment 1.
Embodiment 4
The difference of the present embodiment and embodiment 1 is, the spacing 50-70mm of described some A and B.
Other are same as embodiment 1.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the application.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
The implication of the "and/or" described in the application refers to respective individualism or both simultaneous situations include interior.
The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the application.
With the above-mentioned desirable embodiment according to the application for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this application technological thought, can carry out various change and amendment completely.The technical scope of this application is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (5)
1. an air cylinder driven swing arm type lifting mechanism, is characterized in that: comprising:
Frame;
Supporting plate, described supporting plate is positioned at the top of frame;
Cylinder, described cylinder is fixed in frame, and the piston of cylinder stretches in the horizontal direction;
Connecting rod, one end of described connecting rod is connected with the piston rod of cylinder;
At least two axle beds, described axle bed is arranged at the upper surface of frame;
At least two swing arms, described swing arm is articulated with on axle bed by rotating shaft, and point of connection is A, and point of connection A is positioned at the midway location of swing arm, the lower end of swing arm and rod hinge connection, and point of connection is B, and the spacing of some A and B is R1; The upper end of swing arm contacts with supporting plate lower surface, and contact surface is one section of circular arc, and the distance between the centre point C of this circular arc and some A is R2, and the angle between the straight line AC by a C and A and the straight line AB by some A and B is θ.
2. air cylinder driven swing arm type lifting mechanism according to claim 1, it is characterized in that: described swing arm is bending structure, bending angle is obtuse angle.
3. air cylinder driven swing arm type lifting mechanism according to claim 2, is characterized in that: described bending angle is 120 degree to 160 degree.
4. air cylinder driven swing arm type lifting mechanism according to claim 1, is characterized in that: the lower surface of described supporting plate is fixed with at least two limited posts.
5. air cylinder driven swing arm type lifting mechanism according to claim 1, is characterized in that: R1 is greater than R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503986.9A CN105129390A (en) | 2015-08-18 | 2015-08-18 | Air-cylinder-driving swing-arm-type lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503986.9A CN105129390A (en) | 2015-08-18 | 2015-08-18 | Air-cylinder-driving swing-arm-type lifting mechanism |
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| CN105129390A true CN105129390A (en) | 2015-12-09 |
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| CN201510503986.9A Pending CN105129390A (en) | 2015-08-18 | 2015-08-18 | Air-cylinder-driving swing-arm-type lifting mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530601A (en) * | 2019-07-31 | 2019-12-03 | 中国航天空气动力技术研究院 | Model in wind tunnel ejection mechanism |
| WO2020233671A1 (en) * | 2019-05-22 | 2020-11-26 | Zhang Chengju | Optical fiber cutting and surface arc processing all-in-one machine and optical fiber processing method therefor |
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| US4024948A (en) * | 1973-08-31 | 1977-05-24 | Jan Persson | Conveyor track apparatus for logs |
| CN201455582U (en) * | 2009-07-17 | 2010-05-12 | 胜狮货柜技术研发（上海）有限公司 | Frame loading stand for container end frame |
| CN102269660A (en) * | 2011-05-23 | 2011-12-07 | 成都主导科技有限责任公司 | Online rotating wheel jacking device |
| CN203621853U (en) * | 2013-11-26 | 2014-06-04 | 宝山钢铁股份有限公司 | Tool for replacement of upper stepped base plate device of finishing mill |
| CN203781222U (en) * | 2014-03-07 | 2014-08-20 | 安徽合力股份有限公司 | Lifting positioning device used for bearing tray and applicable to forkliftgearbox assembly |
-
2015
- 2015-08-18 CN CN201510503986.9A patent/CN105129390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024948A (en) * | 1973-08-31 | 1977-05-24 | Jan Persson | Conveyor track apparatus for logs |
| CN201455582U (en) * | 2009-07-17 | 2010-05-12 | 胜狮货柜技术研发（上海）有限公司 | Frame loading stand for container end frame |
| CN102269660A (en) * | 2011-05-23 | 2011-12-07 | 成都主导科技有限责任公司 | Online rotating wheel jacking device |
| CN203621853U (en) * | 2013-11-26 | 2014-06-04 | 宝山钢铁股份有限公司 | Tool for replacement of upper stepped base plate device of finishing mill |
| CN203781222U (en) * | 2014-03-07 | 2014-08-20 | 安徽合力股份有限公司 | Lifting positioning device used for bearing tray and applicable to forkliftgearbox assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233671A1 (en) * | 2019-05-22 | 2020-11-26 | Zhang Chengju | Optical fiber cutting and surface arc processing all-in-one machine and optical fiber processing method therefor |
| CN110530601A (en) * | 2019-07-31 | 2019-12-03 | 中国航天空气动力技术研究院 | Model in wind tunnel ejection mechanism |
| CN110530601B (en) * | 2019-07-31 | 2021-06-11 | 中国航天空气动力技术研究院 | Ejection mechanism for wind tunnel test model |
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Application publication date: 20151209 |
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