CN104464830A - Combined shear type mechanism - Google Patents
Combined shear type mechanism Download PDFInfo
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- CN104464830A CN104464830A CN201410558351.4A CN201410558351A CN104464830A CN 104464830 A CN104464830 A CN 104464830A CN 201410558351 A CN201410558351 A CN 201410558351A CN 104464830 A CN104464830 A CN 104464830A
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- arm
- connecting link
- jointed shaft
- scissors mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 210000005056 cell body Anatomy 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
A combined shear type mechanism comprises retractable arms which are each formed by connecting connection rods in a hinged mode through a shear type structure. The combined shear type mechanism is characterized in that the retractable arms are two in number and are the first arm and the second arm; the middles of the connection rods of the first arm are each provided with a hinge shaft, each hinge shaft comprises an installation part and a hinge shaft body, and each installation part is installed in the middle of the corresponding connection rod of the first arm through the corresponding hinge shaft body; the head-to-tail hinged positions of the connection rods on any side of the second arm are hinged to the installation parts; the first arm and the second arm have the same extending and retracting direction. The combined shear type mechanism is high in load-carrying capacity, large in contraction ratio, capable of bearing force in multiple directions, and good in rigidity, strength and safety.
Description
Technical field
The present invention relates to scissors field of mechanisms, particularly relate to a kind of compound scissors mechanism.
Background technology
Scissors mechanism has application and development very widely at present, as folding tent, contractile door curtain, lifter, foldable desk lamp etc.Its feature is that magnification ratio is large, extensible long Distance geometry large span, and it is very little to take up space after it shrinks, and is therefore applied in many industries.What adopt in the application of current most of scissors mechanism is one side scissors mechanism or two parallel scissors mechanism, and as door curtain employing is one side scissors mechanisms, and what lifter adopted is two parallel scissors mechanisms.The major defect of most scissors mechanism is being subject under multi-direction power effect, and the intensity of the structure on its Impact direction and rigidity are not enough to the load-bearing effect of bearing this power, and easily askew folding occurs, security is not high yet.In addition, the load-carrying ability of current scissors mechanism is not high yet, and these weakness limit its application widely.
Summary of the invention
The object of the invention is to propose that a kind of load-carrying ability is high, magnification ratio large, by the compound scissors mechanism of multi-direction power effect, can have good rigidity, intensity and security.
For reaching this object, the present invention by the following technical solutions:
A kind of compound scissors mechanism, comprises telescopic arm, and described telescopic arm adopts scissors structure to be articulated and connected by connecting link, and described telescopic arm is provided with two covers, is respectively the first arm and the second arm;
The middle part of the connecting link of described first arm is provided with jointed shaft, and described jointed shaft comprises fabricated section and jointed shaft, and described fabricated section is installed on the middle part of the connecting link of described first arm by described jointed shaft;
The connecting link head and the tail hinged place of the either side of described second arm is articulated with described fabricated section again;
Described first arm is consistent with the telescopic direction of described second arm.
More excellent, described jointed shaft is vertical jointed shaft, and described vertical jointed shaft is installed vertically on the middle part of the connecting link of described first arm.
More excellent, described fabricated section is the V-arrangement fabricated section with angle be composed of a fixed connection by one end of two pieces of assembled plate, the middle part of described first arm is connected to wherein one piece of described assembled plate by described jointed shaft, and the connecting link head and the tail hinged place of the either side of described second arm is articulated with assembled plate described in another block again.
More excellent, described angle is acute angle or right angle.
More excellent, one end that described assembled plate is connected with described second arm or the first arm is provided with clamping groove, the connecting link in described development agency by the cell body of described clamping groove and the other end of described assembled plate hinged.
More excellent, also comprise guide chute, limit base, sliding seat and actuating unit, described actuating unit is arranged on described limit base, and described actuating unit controls the flexible of described telescopic arm;
One end of described first arm is arranged on described limit base, left connecting link one end of the positive stop end of described first arm is positioned described limit base by pin, and right connecting link one end of the positive stop end of described first arm is movably installed in described limit base by sliding nail and described guide chute;
The other end of described first arm is provided with described sliding seat, and described sliding seat is provided with chute, and described sliding seat is movably installed in described first arm by pin and described chute.
More excellent, described actuating unit is hydraulic cylinder, and described hydraulic cylinder provides driving force to described left connecting link one end.
More excellent, the telescopic end of described hydraulic cylinder is installed on described left connecting link one end by bolt.
More excellent, described actuating unit is screw rod transmission, and described screw rod transmission drives horizontally rotating of described left connecting link one end, and described screw rod transmission comprises screw mandrel and motor, and described motor drives horizontally rotating of described left connecting link one end by the rotation of described screw mandrel.
More excellent, described sliding seat and described limit base are vertically installed with set square respectively.
More excellent, described telescopic arm adopts scissors structure to be articulated and connected by some connecting links and pin.
Beneficial effect of the present invention: 1, two cover telescopic arms are assembled into the scissors mechanism with angle mutually, mutually provide support, the rigidity of compound scissors mechanism and intensity are increased, and load-carrying ability improves, can by the effect of multi-direction power, and magnification ratio is large; 2, the two ends of a telescopic arm are provided with bearing, flexible more stable; 3, range of application is more extensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the structural representation of the jointed shaft of one embodiment of the present of invention;
Fig. 3 is the installation diagrammatic cross-section of the jointed shaft of one embodiment of the present of invention;
Fig. 4 be one embodiment of the present of invention face structural representation;
Fig. 5 be one embodiment of the present of invention face structural representation;
Fig. 6 is the structural representation of the fabricated section of one embodiment of the present of invention;
Wherein: telescopic arm 1, guide chute 2, limit base 3, sliding seat 4, actuating unit 5, set square 6, first arm 11, left connecting link one end 111, right connecting link one end 112, second arm 12, jointed shaft 13, fabricated section 131, jointed shaft 132, assembled plate 133, clamping groove 134, sliding nail 21, installing plate 41, micro-adjusting mechanism 42.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
A kind of compound scissors mechanism, comprises telescopic arm 1, and described telescopic arm 1 adopts scissors structure to be articulated and connected by connecting link, and described telescopic arm 1 is provided with two covers, is respectively the first arm 11 and the second arm 12;
The middle part of the connecting link of described first arm 11 is provided with jointed shaft 13, and described jointed shaft 13 comprises fabricated section 131 and jointed shaft 132, and described fabricated section 131 is installed on the middle part of the connecting link of described first arm 11 by described jointed shaft 132;
The connecting link head and the tail hinged place of the either side of described second arm 12 is articulated with described fabricated section 131 again;
Described first arm 11 is consistent with the telescopic direction of described second arm 12.
Telescopic arm 1 adopts scissors structure to be articulated and connected by connecting link, the stability of scissors structure when flexible is high, two cover telescopic arms 1 are adopted to be combined into a pantograph, as shown in Figure 1, telescopic arm 1 is provided with two covers, be respectively the first arm 11 and the second arm 12, the middle part of the connecting link of the first arm 11 is provided with jointed shaft 13, jointed shaft 13 comprises fabricated section 131 and jointed shaft 132, fabricated section 131 is by the fastening middle part being installed on the connecting link of the first arm 11 of jointed shaft 132, second arm 12 is installed on fabricated section 131 outstanding in the middle part of the connecting link of the first arm 11 by jointed shaft 13.Embodiment 1: as shown in Figure 1, two cover telescopic arms 1 at right angle setting mutually, first arm 11 and the second arm 12 are played a supporting role mutually, the rigidity of this compound scissors mechanism on multi-direction and intensity are increased, make to bear supporting capacity and become large, magnification ratio increases, load-carrying ability increases, and the scope of application is more extensive.The telescopic direction of the first arm 11 is consistent with the telescopic direction of the second arm 12, and the second arm 12 drives flexible by the first arm 11, flexible stable, structure simple, produces simple and easy.
More excellent, described jointed shaft 13 is vertical jointed shaft, and described vertical jointed shaft is installed vertically on the middle part of the connecting link of described first arm 11.As shown in figures 2 and 3, such topology layout makes composite structure one-piece construction compacter, thus rigidity is stronger, and during use, security performance is high.
More excellent, described fabricated section 131 is the V-arrangement fabricated sections with angle be composed of a fixed connection by one end of two pieces of assembled plate 133, the middle part of described first arm 11 is connected to wherein one piece of described assembled plate 133 by described jointed shaft 132, and the connecting link head and the tail hinged place of the either side of described second arm 12 is articulated with assembled plate 133 described in another block again.As shown in Figure 6, such topology layout is when using composite structure one-piece construction, and each several part is stressed evenly reliable, more freedom and flexibility during the flexible walking of telescopic arm.
More excellent, described angle is acute angle or right angle.As shown in Fig. 4 or Fig. 5, when angle is acute angle, the middle part of the first arm is connected with the second arm, can form y shape scissors mechanism, when angle is right angle, can form T-shaped scissors mechanism, can arrange different fabricated sections 131 according to job requirements.
More excellent, one end that described assembled plate 133 is connected with described second arm 12 or the first arm 11 is provided with clamping groove 134, the connecting link in described development agency by the cell body of described clamping groove 134 and the other end of described assembled plate 133 hinged.As shown in Figure 4, one end that described assembled plate 133 is connected with described connecting link 2 is provided with clamping groove 134, and the connecting link in described development agency is by the cell body of clamping groove 134 and the other end pivot joint of described assembled plate 133; When using such structural design, connecting link will be inserted in the cell body of the clamping groove 134 of assembled plate 133 other end, together with the other end of assembled plate 133 being connected in series with connecting link by coupling shaft (as bearing pin or its similar structures, facilitating the web member of purchase) again, and the two ends of coupling shaft are fixed, two long end faces of such connecting link just with the interior side contacts of clamping groove 134, connecting link is made to be jammed pivot joint, drastically increase the stability that connecting link is connected with fabricated section 131, ensure the Rigidity and strength of structure entirety, improve its dirigibility.
More excellent, also comprise guide chute 2, limit base 3, sliding seat 4 and actuating unit 5, described actuating unit 5 is arranged on described limit base 3, and described actuating unit 5 controls the flexible of described telescopic arm 1;
One end of described first arm 11 is arranged on described limit base 3, left connecting link one end 111 of the positive stop end of described first arm 11 is positioned described limit base 3 by pin, and right connecting link one end 112 of the positive stop end of described first arm 11 is movably installed in described limit base 3 by sliding nail 21 and described guide chute 2;
The other end of described first arm 11 is provided with described sliding seat 4, and described sliding seat 4 is provided with chute, and described sliding seat 4 is movably installed in described first arm 11 by pin and described chute.
The two ends of the first arm 11 are spacing is respectively active in limit base 3 and sliding seat 4, and two ends all have limiting and fixing device, make telescopic arm 1 more stable, also can improve its intensity and rigidity, use security higher simultaneously.
Second arm 12 drives flexible by the first arm 11, and actuating unit 5 need actuating unit 5 just can start flexible, flexible stable, structure simple, and magnification ratio is large, load-carrying ability is large, and range of application is more extensive.
More excellent, described actuating unit 5 is hydraulic cylinder, and described hydraulic cylinder provides driving force to described left connecting link one end 111.Hydraulic cylinder structure is simple, reliable operation, controls the to-and-fro movement of rotating at grade left connecting link one end 111, realize the flexible of telescopic arm 1 with it.
The telescopic end of described hydraulic cylinder is installed on described left connecting link one end 111 by bolt.The combination of hydraulic cylinder and left connecting link one end 111, makes left connecting link one end 111 do oscillating motion, realize the flexible of telescopic arm 1, when realizing flexible to-and-fro movement with it, do not have drive gap, and hydraulic cylinder transmission speed is steady, guarantees the stationarity of stretching motion.
More excellent, described actuating unit 5 is screw rod transmission, described screw rod transmission drives horizontally rotating of described left connecting link one end 111, and described screw rod transmission comprises screw mandrel and motor, and described motor drives horizontally rotating of described left connecting link one end 111 by the rotation of described screw mandrel.Actuating unit 5 is screw rod transmission, and the adjustability of screw rod transmission is high, has displacement and locating effect preferably.Gyration is converted into rectilinear motion by screw mandrel, tears the rotation in the horizontal direction of left connecting link one end 111, realizes the flexible of telescopic arm 1.
More excellent, sliding seat 4 and described limit base 3 are vertically installed with set square 6 respectively.Arranging of set square 6 against the two ends of scissors mechanism, can improve the steadiness of scissors mechanism, increases the service life.
More excellent, described telescopic arm 1 adopts scissors structure to be articulated and connected by some connecting links and pin.Telescopic arm 1 adopts scissors structure to be articulated and connected by some connecting links and pin, and the length of telescopic arm 1 can be selected appropriate connecting link to assemble according to job requirements.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a compound scissors mechanism, comprises telescopic arm, and described telescopic arm adopts scissors structure to be articulated and connected by connecting link, it is characterized in that: described telescopic arm is provided with two covers, is respectively the first arm and the second arm;
The middle part of the connecting link of described first arm is provided with jointed shaft, and described jointed shaft comprises fabricated section and jointed shaft, and described fabricated section is installed on the middle part of the connecting link of described first arm by described jointed shaft;
The connecting link head and the tail hinged place of the either side of described second arm is articulated with described fabricated section again;
Described first arm is consistent with the telescopic direction of described second arm.
2. compound scissors mechanism according to claim 1, it is characterized in that: described jointed shaft is vertical jointed shaft, described vertical jointed shaft is installed vertically on the middle part of the connecting link of described first arm.
3. compound scissors mechanism according to claim 1, it is characterized in that: described fabricated section is the V-arrangement fabricated section with angle be composed of a fixed connection by one end of two pieces of assembled plate, the middle part of described first arm is connected to wherein one piece of described assembled plate by described jointed shaft, and the connecting link head and the tail hinged place of the either side of described second arm is articulated with assembled plate described in another block again.
4. compound scissors mechanism according to claim 3, is characterized in that: described angle is acute angle or right angle.
5. compound scissors mechanism according to claim 3, it is characterized in that: one end that described assembled plate is connected with described second arm or the first arm is provided with clamping groove, the connecting link in described development agency by the cell body of described clamping groove and the other end of described assembled plate hinged.
6. compound scissors mechanism according to claim 1, it is characterized in that: also comprise guide chute, limit base, sliding seat and actuating unit, described actuating unit is arranged on described limit base, and described actuating unit controls the flexible of described telescopic arm;
One end of described first arm is arranged on described limit base, left connecting link one end of the positive stop end of described first arm is positioned described limit base by pin, and right connecting link one end of the positive stop end of described first arm is movably installed in described limit base by sliding nail and described guide chute;
The other end of described first arm is provided with described sliding seat, and described sliding seat is provided with chute, and described sliding seat is movably installed in described first arm by pin and described chute.
7. compound scissors mechanism according to claim 1, is characterized in that: described actuating unit is hydraulic cylinder, described hydraulic cylinder provides driving force to described left connecting link one end.
8. compound scissors mechanism according to claim 1, is characterized in that: the telescopic end of described hydraulic cylinder is installed on described left connecting link one end by bolt.
9. compound scissors mechanism according to claim 1, it is characterized in that: described actuating unit is screw rod transmission, described screw rod transmission drives horizontally rotating of described left connecting link one end, described screw rod transmission comprises screw mandrel and motor, and described motor drives horizontally rotating of described left connecting link one end by the rotation of described screw mandrel.
10. compound scissors mechanism according to claim 1, is characterized in that: described sliding seat and described limit base are vertically installed with set square respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558351.4A CN104464830B (en) | 2014-10-20 | 2014-10-20 | A kind of compound scissor mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558351.4A CN104464830B (en) | 2014-10-20 | 2014-10-20 | A kind of compound scissor mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104464830A true CN104464830A (en) | 2015-03-25 |
| CN104464830B CN104464830B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410558351.4A Expired - Fee Related CN104464830B (en) | 2014-10-20 | 2014-10-20 | A kind of compound scissor mechanism |
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| Country | Link |
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| CN (1) | CN104464830B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368438A (en) * | 2021-04-30 | 2021-09-10 | 福建侨龙应急装备股份有限公司 | Fire-fighting terminal vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254176A5 (en) * | 1973-11-12 | 1975-07-04 | Bersoult Roland | Extensible spray bar for agricultural use - has nozzles on lazy-tongs system extending in two planes |
| CN2338417Y (en) * | 1997-04-16 | 1999-09-15 | 蔡明良 | Tent |
| CN101780933A (en) * | 2010-02-09 | 2010-07-21 | 浙江机电职业技术学院 | Lift truck available for field operation |
| WO2012045039A2 (en) * | 2010-09-30 | 2012-04-05 | Filtz Timothy J | Lighting systems and methods for installing same |
| CN103130148A (en) * | 2013-03-12 | 2013-06-05 | 常州汉肯科技有限公司 | Lifting pillar support |
-
2014
- 2014-10-20 CN CN201410558351.4A patent/CN104464830B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254176A5 (en) * | 1973-11-12 | 1975-07-04 | Bersoult Roland | Extensible spray bar for agricultural use - has nozzles on lazy-tongs system extending in two planes |
| CN2338417Y (en) * | 1997-04-16 | 1999-09-15 | 蔡明良 | Tent |
| CN101780933A (en) * | 2010-02-09 | 2010-07-21 | 浙江机电职业技术学院 | Lift truck available for field operation |
| WO2012045039A2 (en) * | 2010-09-30 | 2012-04-05 | Filtz Timothy J | Lighting systems and methods for installing same |
| CN103130148A (en) * | 2013-03-12 | 2013-06-05 | 常州汉肯科技有限公司 | Lifting pillar support |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368438A (en) * | 2021-04-30 | 2021-09-10 | 福建侨龙应急装备股份有限公司 | Fire-fighting terminal vehicle |
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| Publication number | Publication date |
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| CN104464830B (en) | 2017-07-11 |
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| CB03 | Change of inventor or designer information |
Inventor after: Tang Jianliu Inventor after: Liu Yubo Inventor after: Lin Wenhao Inventor before: Tang Jianliu Inventor before: Zhu Peiqi Inventor before: Liu Renchang Inventor before: Liu Yongping Inventor before: Cen Yongchi |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Jianliu Inventor after: Liu Yubo Inventor after: Lin Wenhao Inventor after: Xiao Qiwei Inventor before: Tang Jianliu Inventor before: Liu Yubo Inventor before: Lin Wenhao |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: 224700 Industrial Park, Jianyang Town, Jianhu County, Yancheng City, Jiangsu Province Patentee after: JIANGSU SHUANGXIN GROUP Co.,Ltd. Address before: 528000 two, 1603, Wenhua North Road 56, Chancheng District, Foshan, Guangdong, two Patentee before: FOSHAN HECAI TECHNOLOGY SERVICE Co.,Ltd. Patentee before: Tang Yiping |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |