CN103343863A - Eccentric regulation device of connection rod mechanism - Google Patents
Eccentric regulation device of connection rod mechanism Download PDFInfo
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- CN103343863A CN103343863A CN2013103143356A CN201310314335A CN103343863A CN 103343863 A CN103343863 A CN 103343863A CN 2013103143356 A CN2013103143356 A CN 2013103143356A CN 201310314335 A CN201310314335 A CN 201310314335A CN 103343863 A CN103343863 A CN 103343863A
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- rotary shaft
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- shaft
- linkage mechanism
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Abstract
The invention relates to an eccentric regulation device of a connection rod mechanism. The eccentric regulation device comprises a framework and a long arm. The framework is provided with a first rotary shaft and a second rotary shaft which are located on the same vertical line, the second rotary shaft is an eccentric rotary shaft, a first connection rod is formed between the first rotary shaft and the second rotary shaft, the long arm can revolve around the first rotary shaft, the long arm is provided with a third rotary shaft and a fourth rotary shaft which are located on the same vertical line, a third connection rod is connected between the second rotary shaft and the third rotary shaft, a fourth connection rod is formed between the third rotary shaft and the fourth rotary shaft, and the distance between the first rotary shaft and the second rotary shaft is equal to that between the third rotary shaft and the fourth rotary shaft. Accumulated errors caused by abrasion gaps or machining and assembling errors can be regulated, the connection line between the third rotary shaft and the fourth rotary shaft can keep vertical, and application equipment such as a gas terminal, an electric terminal and a laminate at the tail end of a tower crane can be always under a stable state.
Description
Technical field
The present invention relates to a kind of linkage mechanism, relate in particular to a kind of eccentric adjuster of linkage mechanism.
Background technique
Tower crane is the requisite air feed medical equipment of hospital modernization operating room, be mainly used in the terminal switching of medical gases such as operating room oxygen supply, attraction, pressurized air, nitrogen, and tower crane can be divided into mechanical type tower crane and electronic tower crane two big classes.Thereby electronic tower crane is the lifting by the rotation control apparatus platform of control motor, the driving of motor guarantees that equipment operates quickly and efficiently, balanced type mechanism guarantees equipment platform level all the time, the safety of assurance equipment, have safe and reliable characteristics, visible balanced controls are the very important constituent elements of medical hoist tower.But the design of existing balanced controls is many based on traditional multi-connecting-rod mechanism, and multi-connecting-rod mechanism is mostly based on parallelogram principle, because tower crane equipment is huger, revoliving arm is longer, the processing of component all can't avoid producing deviation with assembling, the part axis hole wearing and tearing that produce of turning round for a long time of various, the complexity of installation procedure of part, equipment cause matching gap to increase the accumulation that all can cause a deviation, so press for a kind of controlling mechanism of adjusting cumulative departure.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and a kind of eccentric adjuster of reliable linkage mechanism is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of eccentric adjuster of linkage mechanism, comprise framework, long-armed, described framework is provided with first rotating shaft that is positioned on the same vertical curve, second rotating shaft, described second rotating shaft is eccentrically weighted shaft, form first connecting rod between described first rotating shaft and second rotating shaft, described long-armed can the rotation around described first rotating shaft, described long-armed the 3rd rotating shaft that is positioned on the same vertical curve that is provided with, the 4th rotating shaft, be connected with third connecting rod between described second rotating shaft and described the 3rd rotating shaft, form the 4th connecting rod between described the 3rd rotating shaft and described the 4th rotating shaft, the distance between described first rotating shaft and described second rotating shaft equals the distance between described the 3rd rotating shaft and described the 4th rotating shaft.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism further comprises in the described framework and is provided with spiral arm, described spiral arm be set in described first rotating shaft and with described long-armed connecting firmly.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described framework comprises the top board of two vertical plates that are oppositely arranged, two described vertical plates of connection, be equipped with described first rotating shaft and second rotating shaft on each described vertical plate, also be provided with first support plate, two second support plates, two described second support plates all be fixed on described long-armed on, be equipped with two described the 3rd rotating shafts on described first support plate, all be equipped with described the 4th rotating shaft between described first support plate and two described second support plates.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described first support plate comprises the level board of two side plates that are oppositely arranged, two described side plates of connection, each described side plate all is equipped with described the 3rd rotating shaft, and each described side plate and described second support plate all are equipped with described the 4th rotating shaft.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described second rotating shaft comprises fixed block, eccentric shaft, and an end of described third connecting rod is set on the described eccentric shaft.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described fixed block comprises disc, is installed in the hollow sleeve of described disc one end, one fulcrum passes described disc, hollow sleeve, and described eccentric shaft is arranged on an end of described fulcrum.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further the other end of described fulcrum is provided with axle cap.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described eccentric shaft is provided with circular groove, and described circular groove is provided with shaft end ring.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism further comprises between the upper end of two described side plates and is connected with pole.
In a preferred embodiment of the present invention, a kind of eccentric adjuster of linkage mechanism comprises that further described second support plate is down isosceles triangle.
The invention solves the defective that exists in the background technique, all rotating assemblies of the present invention all are set to segmented, the intermediate portion excision, the two end supports revolution, thereby fully expanded the inner space of mechanism, be convenient to various operations, can adjust simultaneously because of processing, assembling or wearing clearance and the cumulative departure brought, line between the 3rd rotating shaft and the 4th rotating shaft is kept vertically, thereby guaranteed the gas end of tower crane end, electric terminal, application apparatus such as laminate and drawer is in plateau all the time, prevent unexpected generation, and be convenient to install and maintenance maintenance.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the plan view of the preferred embodiments of the present invention;
Fig. 2 is the stereogram of the preferred embodiments of the present invention;
Fig. 3 is the enlarged diagram of A among Fig. 2;
Fig. 4 is the structural representation of second rotating shaft of the preferred embodiments of the present invention;
Fig. 5 is the structural representation of first support plate of the preferred embodiments of the present invention;
Fig. 6 is the structural representation of the parallel four-bar linkage of the preferred embodiments of the present invention;
Among the figure: 2, framework, 4, long-armed, 6, first rotating shaft, 8, second rotating shaft, 10, first connecting rod, 12, spiral arm, 14, the 3rd rotating shaft, the 16, the 4th rotating shaft, 18, second connecting rod, 20, third connecting rod, the 22, the 4th connecting rod, 24, vertical plate, 26, top board, 28, first support plate, 30, second support plate, 32, side plate, 34, level board, 36, pole, 38, fixed block, 40, eccentric shaft, 42, disc, 44, hollow sleeve, 46, bolt, 48, fulcrum, 50, axle cap, 52, circular groove, 54, shaft end ring.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic representation of simplification, basic structure of the present invention only is described in a schematic way, so it only shows the formation relevant with the present invention.
As Fig. 1, shown in Figure 6, a kind of eccentric adjuster of linkage mechanism, comprise framework 2, long-armed 4, framework 2 is provided with first rotating shaft 6 that is positioned on the same vertical curve, second rotating shaft 8, second rotating shaft 8 is eccentrically weighted shaft, form first connecting rod 10 between first rotating shaft 6 and second rotating shaft 8, be provided with spiral arm 12 in the framework 2, long-armed 4 hollow structures that are square for the cross section, spiral arm 12 is set in first rotating shaft 6 and connects firmly with long-armed 4 lower end, long-armed 4 can be around described first rotating shaft, 6 rotations, can certainly make an end extension piece of long-armed 4, propping up piece is set in first rotating shaft 6, thereby drive long-armed 4 around first rotating shaft, 6 rotations by a piece rotation, long-armed 4 are provided with the 3rd rotating shaft 14 that is positioned on the same vertical curve, the 4th rotating shaft 16, long-armed 4 side is as second connecting rod 18, be connected with third connecting rod 20 between second rotating shaft 8 and the 3rd rotating shaft 14, form the 4th connecting rod 22 between the 3rd rotating shaft 14 and the 4th rotating shaft 16, distance between first rotating shaft 6 and second rotating shaft 8 equals the distance between the 3rd rotating shaft 14 and the 4th rotating shaft 16, distance between first rotating shaft 6 and the 4th rotating shaft 16 equals the distance between second rotating shaft 8 and the 3rd rotating shaft 14, first connecting rod 10, second connecting rod 18, the 4th connecting rod 22, third connecting rod 20 connects into parallel four-bar linkage.
As Fig. 1, Fig. 2, as shown in Figure 5, in order to improve the steadiness of parallel four-bar linkage, framework 2 comprises two vertical plates that are oppositely arranged 24, the top board 26 that connects two vertical plates 24, be equipped with first rotating shaft 6 and second rotating shaft 8 on each vertical plate 24, also be provided with first support plate 28, two symmetrically arranged second support plates 30, first support plate 28 comprises two side plates that are oppositely arranged 32, the level board 34 that connects two side plates 32, in order to strengthen the intensity of first support plate 28, be connected with pole 36 between the upper end of two side plates 32, the upper end of two side plates 32 all passes long-armed 4, second support plate 30 is down isosceles triangle, two second support plates 30 are between two side plates 32, two second support plates 30 all are fixed on long-armed 4 and the lower end stretches out long-armed 4, the upper end of each side plate 32 all is equipped with the 3rd rotating shaft 14, the lower end of each side plate 32 and second support plate 30 all are equipped with the 4th rotating shaft 16, form two parallel four-bar linkages.
Certainly, two first rotating shafts 6, two second rotating shafts 8, two the 3rd rotating shafts 14, two the 4th rotating shafts 16 all can be substituted by a rotating shaft respectively.
As Fig. 2, Fig. 3, shown in Figure 4, cause matching gap to increase and the accumulation that causes a deviation for fear of the wearing and tearing between connecting rod and the axis hole, second rotating shaft 8 comprises fixed block 38, eccentric shaft 40, and an end of third connecting rod 20 is set on the eccentric shaft 40, and the other end is set in the 3rd rotating shaft 14.
The preferred fixed block 38 of the present invention comprises disc 42, is installed in the hollow sleeve 44 of disc 42 1 ends, disc 42, hollow sleeve 44 can be one-body molded, disc 42 is fixed on the vertical plate 24 by bolt 46, one fulcrum 48 passes disc 42, hollow sleeve 44, and eccentric shaft 40 is arranged on an end of fulcrum 48.Rotate the back for a long time along skidding off in disc 42, the hollow sleeve 44 for fear of fulcrum 48, the other end of fulcrum 48 is provided with axle cap 50, the cross section of axle cap 50 is Hexagon, and the width of axle cap 50 is greater than the aperture of disc 42, and 42 pairs of axle caps of disc 50 carry out axial limiting.40 skid off for fear of third connecting rod 20 from eccentric shaft, and eccentric shaft 40 is provided with circular groove 52, and circular groove 52 is provided with shaft end ring 54, and 54 pairs of third connecting rods of shaft end ring 20 carry out axial limiting.
Working principle of the present invention is as follows:
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must determine technical scope according to the claim scope.
Claims (10)
1. the eccentric adjuster of a linkage mechanism, it is characterized in that: comprise framework (2), long-armed (4), described framework (2) is provided with first rotating shaft (6) that is positioned on the same vertical curve, second rotating shaft (8), described second rotating shaft (8) is eccentrically weighted shaft, form first connecting rod (10) between described first rotating shaft (6) and second rotating shaft (8), described long-armed (4) can rotate around described first rotating shaft (6), described long-armed (4) are provided with the 3rd rotating shaft (14) that is positioned on the same vertical curve, the 4th rotating shaft (16), be connected with third connecting rod (20) between described second rotating shaft (8) and described the 3rd rotating shaft (14), form the 4th connecting rod (22) between described the 3rd rotating shaft (14) and described the 4th rotating shaft (16), the distance between described first rotating shaft (6) and described second rotating shaft (8) equals the distance between described the 3rd rotating shaft (14) and described the 4th rotating shaft (16).
2. the eccentric adjuster of a kind of linkage mechanism according to claim 1 is characterized in that: be provided with spiral arm (12) in the described framework (2), described spiral arm (12) is set in described first rotating shaft (6) and goes up and connect firmly with described long-armed (4).
3. the eccentric adjuster of a kind of linkage mechanism according to claim 1 and 2, it is characterized in that: described framework (2) comprises two vertical plates that are oppositely arranged (24), the top board (26) that connects two described vertical plates (24), be equipped with described first rotating shaft (6) and second rotating shaft (8) on each described vertical plate (24), also be provided with first support plate (28), two second support plates (30), two described second support plates (30) all are fixed on described long-armed (4), be equipped with two described the 3rd rotating shafts (14) on described first support plate (28), all be equipped with described the 4th rotating shaft (16) between described first support plate (28) and two described second support plates (30).
4. the eccentric adjuster of a kind of linkage mechanism according to claim 3, it is characterized in that: described first support plate (28) comprises two side plates that are oppositely arranged (32), connects the level board (34) of two described side plates (32), each described side plate (32) all is equipped with described the 3rd rotating shaft (14), and each described side plate (32) and described second support plate (30) all are equipped with described the 4th rotating shaft (16).
5. according to the eccentric adjuster of claim 1 or 4 described linkage mechanisms, it is characterized in that: described second rotating shaft (8) comprises fixed block (38), eccentric shaft (40), and an end of described third connecting rod (20) is set on the described eccentric shaft (40).
6. the eccentric adjuster of a kind of linkage mechanism according to claim 5, it is characterized in that: described fixed block (38) comprises disc (42), is installed in the hollow sleeve (44) of described disc (42) one ends, one fulcrum (48) passes described disc (42), hollow sleeve (44), and described eccentric shaft (40) is arranged on an end of described fulcrum (48).
7. the eccentric adjuster of a kind of linkage mechanism according to claim 6, it is characterized in that: the other end of described fulcrum (48) is provided with axle cap (50).
8. the eccentric adjuster of a kind of linkage mechanism according to claim 6, it is characterized in that: described eccentric shaft (40) is provided with circular groove (52), and described circular groove (52) is provided with shaft end ring (54).
9. the eccentric adjuster of a kind of linkage mechanism according to claim 4 is characterized in that: be connected with pole (36) between the upper end of two described side plates (32).
10. the eccentric adjuster of a kind of linkage mechanism according to claim 4, it is characterized in that: described second support plate (30) is down isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314335.6A CN103343863B (en) | 2013-07-25 | 2013-07-25 | Eccentric regulation device of connection rod mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314335.6A CN103343863B (en) | 2013-07-25 | 2013-07-25 | Eccentric regulation device of connection rod mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103343863A true CN103343863A (en) | 2013-10-09 |
| CN103343863B CN103343863B (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314335.6A Expired - Fee Related CN103343863B (en) | 2013-07-25 | 2013-07-25 | Eccentric regulation device of connection rod mechanism |
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| Country | Link |
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| CN (1) | CN103343863B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873272A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Swing arm elevating crane tower |
| CN108278463A (en) * | 2018-04-11 | 2018-07-13 | 安徽理工大学 | A kind of projector for real object armed lever |
| CN110360419A (en) * | 2019-05-28 | 2019-10-22 | 深圳市雷迪奥视觉技术有限公司 | Ding Hu mechanism, frame and display screen |
| CN113288661A (en) * | 2021-04-28 | 2021-08-24 | 深圳市富力达工业有限公司 | Swing arm lifting system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2348632A7 (en) * | 1976-04-13 | 1977-11-10 | Delbag Luftfilter Gmbh | Air conditioning system for operating theatres - has air supply system above false ceiling to provide laminar air curtain horizontally over operating table |
| CN201001772Y (en) * | 2006-12-30 | 2008-01-09 | 天津科波菲尔科技发展有限公司 | Electric suspension-tower |
| CN201090909Y (en) * | 2007-09-14 | 2008-07-23 | 刘春海 | Balancing arm apparatus of medical hoist tower |
| CN202152389U (en) * | 2011-07-18 | 2012-02-29 | 张晓焱 | Eccentric compensating error type cradle |
| CN102743230A (en) * | 2012-07-30 | 2012-10-24 | 迈柯唯医疗设备(苏州)有限公司 | Medical tower crane used for quick pipeline arragnement |
| CN203375107U (en) * | 2013-07-25 | 2014-01-01 | 迈柯唯医疗设备(苏州)有限公司 | Eccentric adjusting device of link mechanism |
-
2013
- 2013-07-25 CN CN201310314335.6A patent/CN103343863B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2348632A7 (en) * | 1976-04-13 | 1977-11-10 | Delbag Luftfilter Gmbh | Air conditioning system for operating theatres - has air supply system above false ceiling to provide laminar air curtain horizontally over operating table |
| CN201001772Y (en) * | 2006-12-30 | 2008-01-09 | 天津科波菲尔科技发展有限公司 | Electric suspension-tower |
| CN201090909Y (en) * | 2007-09-14 | 2008-07-23 | 刘春海 | Balancing arm apparatus of medical hoist tower |
| CN202152389U (en) * | 2011-07-18 | 2012-02-29 | 张晓焱 | Eccentric compensating error type cradle |
| CN102743230A (en) * | 2012-07-30 | 2012-10-24 | 迈柯唯医疗设备(苏州)有限公司 | Medical tower crane used for quick pipeline arragnement |
| CN203375107U (en) * | 2013-07-25 | 2014-01-01 | 迈柯唯医疗设备(苏州)有限公司 | Eccentric adjusting device of link mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873272A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Swing arm elevating crane tower |
| CN108278463A (en) * | 2018-04-11 | 2018-07-13 | 安徽理工大学 | A kind of projector for real object armed lever |
| CN110360419A (en) * | 2019-05-28 | 2019-10-22 | 深圳市雷迪奥视觉技术有限公司 | Ding Hu mechanism, frame and display screen |
| CN110360419B (en) * | 2019-05-28 | 2021-05-04 | 深圳市雷迪奥视觉技术有限公司 | Decide arc mechanism, frame and display screen |
| CN113288661A (en) * | 2021-04-28 | 2021-08-24 | 深圳市富力达工业有限公司 | Swing arm lifting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103343863B (en) | 2015-06-17 |
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Granted publication date: 20150617 Termination date: 20200725 |