CN101865267A - Connecting rod type transmission mechanism - Google Patents
Connecting rod type transmission mechanism Download PDFInfo
- Publication number
- CN101865267A CN101865267A CN 201010206125 CN201010206125A CN101865267A CN 101865267 A CN101865267 A CN 101865267A CN 201010206125 CN201010206125 CN 201010206125 CN 201010206125 A CN201010206125 A CN 201010206125A CN 101865267 A CN101865267 A CN 101865267A
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- connecting rod
- casing
- transmission mechanism
- type transmission
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Abstract
The invention relates to a connecting rod type transmission mechanism, comprising a box body; the box body is internally provided with a crank arm which comprises a sleeve; the peripheral surface of the sleeve is provided with connecting blocks which are fixedly connected, and the end parts of the connecting blocks are provided with connecting columns; the box body is provided with mounting holes which are distributed symmetrically; the two ends of the sleeve are respectively embedded in the mounting holes of the box body and can rotate relatively to the box body; the connecting columns are provided with connecting rods; the two ends of the connecting rods are respectively provided with first connecting holes and second connecting holes; the connecting columns, corresponding to the other ends connected with the connecting blocks, are embedded in the first connecting holes and are fixed with the connecting rods; the connecting rods, corresponding to the end parts provided with the second connecting holes, are provided with connecting shafts; the end parts of the connecting shafts are embedded in the second connecting holes and fixed with the connecting rods; and the central areas of the connecting shafts are provided with pushing rods which are fastened and connected, and the pushing rods, corresponding to the other ends connected with the connecting shafts, penetrate out of the box body. The connecting rod type transmission mechanism has high transmission efficiency, low friction, safety and reliability and low maintenance cost.
Description
Technical field
The present invention relates to a kind of driving mechanism, especially a kind of connecting rod type transmission mechanism, the driving mechanism of specifically a kind of efficient height, the low angle stroke final controlling element that rubs.
Background technique
Along with world's automatization level technology develop rapidly, China's automatization level is also improved fast, thus to the requirement of the reliability of modulating valve in the process control also in continuous raising, this just also has higher requirement to valve actuator.
The driving mechanism of existing angle stroke final controlling element adopts pinion and-rack and crank block fork type usually.The pinion and-rack drive mechanism adopts aluminum casting to process usually, the die cost height, and difficulty of processing is big, and corresponding cost also improves.Crank block fork type driving mechanism reduces the final controlling element operational reliability greatly because stuck phenomenon often appears in mechanism's complexity in running, increases maintenance cost.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of connecting rod type transmission mechanism is provided, its transmission efficiency height, it is low to rub, safe and reliable and maintenance cost is low.
According to technological scheme provided by the invention, described connecting rod type transmission mechanism comprises casing, is provided with in the described casing and cranks arm, and described cranking arm comprises sleeve, and the outer circumferential face of described sleeve is provided with fixedly connected contiguous block, and the end of described contiguous block is provided with attachment post; Described casing is provided with the mounting hole of symmetrical distribution; The two ends of described sleeve are embedded in respectively in the mounting hole of casing, and can rotate relative to casing; Described attachment post is provided with connecting rod; The two ends of described connecting rod are respectively equipped with first attachment hole and second attachment hole; Described attachment post is embedded in first attachment hole corresponding to the other end that links to each other with contiguous block, and fixes with connecting rod; Connecting rod is provided with coupling shaft corresponding to the end that second attachment hole is set, and the end of described coupling shaft is embedded in second attachment hole, fixes with connecting rod; The centre area of described coupling shaft is provided with the push rod that is fastenedly connected, and described push rod passes casing corresponding to the other end that links to each other with coupling shaft.
Described push rod and coupling shaft utilize lock bolt to be fastened and connected.Be provided with case lid in the mounting hole of an end on the described casing, an end of described case lid is set mounting hole, and fixedlys connected with casing; Described case lid is provided with oilless bearing corresponding to the inwall that is positioned at mounting hole, and the end of described sleeve utilizes oilless bearing to be installed in the mounting hole.Also be provided with guide ring on the described case lid, described guide ring is enclosed within on the sleeve.Described casing is corresponding to being provided with no oily lining and oilless bearing in another mounting hole that is provided with case lid; Described oilless bearing is nested in sleeve respectively corresponding to the end that is positioned at mounting hole with no oily lining.
One end of described casing is provided with pilot hole, and described push rod penetrates pilot hole corresponding to the other end that links to each other with coupling shaft, and stretches out outside the casing.Described casing is provided with the limiting stopper that is fastenedly connected corresponding to the other end that links to each other with push rod; The centre area of described limiting stopper is provided with caging bolt, and the end of described caging bolt is embedded in the casing, and is fastenedly connected with limiting stopper.One end of described limiting stopper is embedded in the casing; Limiting stopper is provided with seal ring corresponding to the end that is embedded in the casing.Described attachment post is provided with selflubricating and does not have oily lining corresponding to being embedded in end in first attachment hole.Described coupling shaft is provided with selflubricating and does not have oily lining corresponding to being embedded in end in second attachment hole.
Advantage of the present invention: described sleeve utilizes oilless bearing, guide ring to be installed in casing corresponding to the end that is positioned at mounting hole, can be to sleeve there being accurate leading role, guaranteed sleeve in whole rotary course steadily, reliable operation, the degree of regulation height, it is low to rub.Described attachment post, coupling shaft is equipped with selflubricating corresponding to the end that links to each other with connecting rod does not have oily lining, energy-conserving and environment-protective; Maintenance cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1～shown in Figure 2: the present invention includes casing 1, case lid 2, oilless bearing 3, guide ring 4, attachment post 5, connecting rod 6, bolt 7, caging bolt 8, limiting stopper 9, coupling shaft 10, selflubricating does not have oily lining 11, mounting hole 12, no oily lining 13, push rod 14, pilot hole 15, sleeve 16, seal ring 17, contiguous block 18, first attachment hole 19 and second attachment hole 20.
As depicted in figs. 1 and 2: described casing 1 is provided with the mounting hole 12 of symmetrical distribution, is provided with case lid 2 in the mounting hole 12 of an end on the casing 1.The centre area of described case lid 2 convexes with the installing ring of vertical distribution, and described installing ring is embedded in the mounting hole 12, and case lid 2 contacts corresponding to the outer wall of the other end that installing ring is set with casing 1; Case lid 2 is fixedly connected with casing 1.The installing ring of described case lid 2 is provided with oilless bearing 3 and guide ring 4.On the casing 2 corresponding to being provided with oilless bearing 1 and no oily lining 13 in another mounting hole 12 that case lid 2 is set.Be provided with sleeve 16 in the casing 1, the two ends of described sleeve 16 are embedded in respectively in the mounting hole 12, the two ends of sleeve 16 utilize oilless bearing 1, guide ring 3 respectively and do not have oily lining 13 and make accurately guiding, guaranteed sleeve 16 in rotary course steadily.
The outer wall of described sleeve 16 1 sides is provided with two contiguous blocks 18, and described contiguous block 18 is fixedly connected with sleeve 16.Described contiguous block 18 all convexes with attachment post 5 corresponding to the other end that links to each other with sleeve 16.Described attachment post 5, contiguous block 18 are cranked arm with the structure formation of sleeve 16.Described attachment post 5 is provided with connecting rod 6, and the two ends of described connecting rod 6 are respectively equipped with first attachment hole 19 and second attachment hole 20.Described attachment post 5 is embedded in first attachment hole 19 corresponding to the end that links to each other with connecting rod 6, and is fixedly connected with connecting rod 6.Attachment post 5 is with selflubricating corresponding to the end that is positioned at first attachment hole 19 does not have oily lining 11, and attachment post 5 utilizes selflubricating not have oily lining 11 with connecting rod 6 and reduces friction.The other end of described connecting rod 6 is provided with coupling shaft 10, and the end of described coupling shaft 10 is embedded in second attachment hole 20, and fixes with connecting rod 6.Coupling shaft 10 is with selflubricating corresponding to the end that is positioned at second attachment hole 20 does not have oily lining 11.The position difference of the attachment post 5 on described two contiguous blocks 18, one of them attachment post 5 are positioned at the end of contiguous block 18 and upwards distribute, and another attachment post 5 is positioned at the end of corresponding contiguous block 18, and distributes downwards.Described two attachment posts 5 are all continuous with corresponding connecting rod 6.Described coupling shaft 10 is positioned at 5 of two attachment posts, and the two ends of coupling shaft 10 all are fixedly connected with connecting rod 6.
The centre area of coupling shaft 10 is provided with push rod 14, and described push rod 14 distributes along the axis of pitch of casing 1, and push rod 14 is perpendicular with the axis of coupling shaft 10.Coupling shaft 10 utilizes bolt 7 to be fastened with push rod 10.One end of casing 1 is provided with pilot hole 15, and push rod 14 penetrates pilot hole 15 corresponding to the other end that links to each other with coupling shaft 10, and stretches out outside the casing 1.Casing 1 is provided with limiting stopper 9 corresponding to the other end that pilot hole 15 is set, and an end of described limiting stopper 9 is embedded in the casing 1; And limiting stopper 9 is provided with seal ring 17 corresponding to the end that is embedded in the casing 1.Limiting stopper 9 is provided with caging bolt 8, after limiting stopper 9 is passed in the end of described caging bolt 8, stretches in the casing 1, and contiguous coupling shaft 10.When push rod 14 moved under cylinder action, caging bolt 8 can prop up coupling shaft 10, thereby limited the motion of push rod 14.1 of limiting stopper 9 and casing utilize screw to be fastened and connected.
Described selflubricating does not have oily lining 11 and is made up of composite material, with the cemented carbide thin plate is matrix, the outside adheres to one deck tin bronze, and rolling one deck organic substance of its internal surface and lead mixture have substituted the traditional guide elements based on copper material, it is little that this sliding bearing has a friction factor, wear-resisting corrosion resistance is superior, and advantages such as oil-free lubrication play accurate leading role, can effectively improve push rod working life, reduce maintenance cost.
When needs are changed component, need not other component of dismounting final controlling element, directly unclamp lock bolt 7, directly attachment post 5, connecting rod 6, coupling shaft 10 are split out in the mode of integral body, pack in the casing 1 in the mode of integral body again after changing, save time, reduce cost.
As depicted in figs. 1 and 2: during use, sleeve 16 links to each other with valve rod; Described valve rod is embedded in the sleeve 16 corresponding to another point that links to each other with spool, and fixedlys connected with sleeve 16.Push rod 14 links to each other with the piston rod of cylinder corresponding to the other end that links to each other with coupling shaft 10, and the piston rod by cylinder promotes push rod 14 and moves in casing 1.During work, when cylinder promotes push rod 14 motions, with the coupling shaft 10 that push rod 14 is fastened and connected also can movement therewith.The motion of coupling shaft 10 can drivening rod 6 and attachment post 5 motions.When attachment post 5 moves under the effect of connecting rod 6, because the effect of attachment post 5 and contiguous block 18, attachment post 5 can drive sleeve 16 and do 90 ° rotatablely moving, thereby can be with the straight line motion of push rod 14, drive sleeve 16 rotations, realize driving valve motion the effect of in reaching the switch of valve being regulated.When push rod 14 under cylinder action, when move distance was excessive, the coupling shaft that links to each other with push rod 14 10 can contact with caging bolt 8, can stop further motion casing 1 in of push rod 14, had reached the purpose that spacing push rod 14 moves.
By with connecting rod 6 contacted ends selflubricating oilless bearing 11 being set, can reduce the frictional force that attachment post 5, coupling shaft 10 and connecting rod 6 effects are at attachment post 5, coupling shaft 10.The two ends of described sleeve 16 are respectively equipped with oilless bearing 3, guide ring 4 and no oily lining 13, can accurately lead to sleeve 16, have guaranteed that the rotation of sleeve 16 is steadily reliable.
Claims (10)
1. connecting rod type transmission mechanism, comprise casing (1), be provided with in the described casing (1) and crank arm that described cranking arm comprises sleeve (16), the outer circumferential face of described sleeve (16) is provided with fixedly connected contiguous block (18), and the end of described contiguous block (18) is provided with attachment post (5); Described casing (1) is provided with the mounting hole (12) of symmetrical distribution; It is characterized in that: the two ends of described sleeve (16) are embedded in respectively in the mounting hole (12) of casing (1), and can rotate relative to casing (1); Described attachment post (5) is provided with connecting rod (6); The two ends of described connecting rod (6) are respectively equipped with first attachment hole (19) and second attachment hole (20); Described attachment post (5) is embedded in first attachment hole (19) corresponding to the other end that links to each other with contiguous block (18), and fixes with connecting rod (6); Connecting rod (6) is provided with coupling shaft (10) corresponding to the end that second attachment hole (20) is set, and the end of described coupling shaft (10) is embedded in second attachment hole (20), fixes with connecting rod (6); The centre area of described coupling shaft (10) is provided with the push rod (14) that is fastenedly connected, and described push rod (14) passes casing (1) corresponding to the other end that links to each other with coupling shaft (10).
2. connecting rod type transmission mechanism according to claim 1 is characterized in that: described push rod (14) utilizes lock bolt (7) to be fastened and connected with coupling shaft (10).
3. connecting rod type transmission mechanism according to claim 1 is characterized in that: be provided with case lid (2) in the mounting hole (12) of the last end of described casing (1), an end of described case lid (2) is set mounting hole (12), and fixedlys connected with casing (1); Described case lid (2) is provided with oilless bearing (3) corresponding to the inwall that is positioned at mounting hole (12), and the end of described sleeve (16) utilizes oilless bearing (3) to be installed in the mounting hole (12).
4. connecting rod type transmission mechanism according to claim 3 is characterized in that: also be provided with guide ring (4) on the described case lid (2), described guide ring (4) is enclosed within on the sleeve (16).
5. connecting rod type transmission mechanism according to claim 3 is characterized in that: described casing (1) is corresponding to being provided with no oily lining (21) and oilless bearing (3) in another mounting hole (12) that is provided with case lid (2); Described oilless bearing (3) is nested in sleeve (16) respectively corresponding to the end that is positioned at mounting hole (12) with no oily lining (21).
6. connecting rod type transmission mechanism according to claim 1 is characterized in that: an end of described casing (1) is provided with pilot hole (15), and described push rod (14) penetrates pilot hole (15) corresponding to the other end that links to each other with coupling shaft (10), and stretches out outside the casing (1).
7. connecting rod type transmission mechanism according to claim 1 is characterized in that: described casing (1) is provided with the limiting stopper (9) that is fastenedly connected corresponding to the other end that links to each other with push rod (14); The centre area of described limiting stopper (9) is provided with caging bolt (8), and the end of described caging bolt (8) is embedded in the casing (1), and is fastenedly connected with limiting stopper (9).
8. connecting rod type transmission mechanism according to claim 7 is characterized in that: an end of described limiting stopper (9) is embedded in the casing (1); Limiting stopper (9) is provided with seal ring (17) corresponding to the end that is embedded in the casing (1).
9. connecting rod type transmission mechanism according to claim 1 is characterized in that: described attachment post (5) is provided with selflubricating and does not have oily lining (11) corresponding to being embedded in end in first attachment hole (19).
10. connecting rod type transmission mechanism according to claim 1 is characterized in that: described coupling shaft (10) is provided with selflubricating and does not have oily lining (11) corresponding to being embedded in end in second attachment hole (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206125A CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206125A CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865267A true CN101865267A (en) | 2010-10-20 |
| CN101865267B CN101865267B (en) | 2012-10-10 |
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ID=42957107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010206125A Active CN101865267B (en) | 2010-06-13 | 2010-06-13 | Connecting rod type transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865267B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620041A (en) * | 2012-04-23 | 2012-08-01 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size valve by using solar low-power power supply |
| CN102840375A (en) * | 2012-09-17 | 2012-12-26 | 成都迈可森流体控制设备有限公司 | Double orientation shifting fork transmission case |
| CN103984386A (en) * | 2014-04-18 | 2014-08-13 | 浙江三方控制阀股份有限公司 | Crankshaft sliding block type hand wheel mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245257A (en) * | 2003-02-12 | 2004-09-02 | Nsk Ltd | Linear actuator |
| JP2005223983A (en) * | 2004-02-04 | 2005-08-18 | Nsk Ltd | Linear actuator |
| CN201314364Y (en) * | 2008-12-23 | 2009-09-23 | 上海洲泰轻工机械制造有限公司 | Servo main transmission mechanism of composite membrane bag making machine |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN201843959U (en) * | 2010-06-13 | 2011-05-25 | 无锡智能自控工程有限公司 | Connecting rod type drive mechanism |
-
2010
- 2010-06-13 CN CN201010206125A patent/CN101865267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245257A (en) * | 2003-02-12 | 2004-09-02 | Nsk Ltd | Linear actuator |
| JP2005223983A (en) * | 2004-02-04 | 2005-08-18 | Nsk Ltd | Linear actuator |
| CN201314364Y (en) * | 2008-12-23 | 2009-09-23 | 上海洲泰轻工机械制造有限公司 | Servo main transmission mechanism of composite membrane bag making machine |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN201843959U (en) * | 2010-06-13 | 2011-05-25 | 无锡智能自控工程有限公司 | Connecting rod type drive mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620041A (en) * | 2012-04-23 | 2012-08-01 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size valve by using solar low-power power supply |
| CN102840375A (en) * | 2012-09-17 | 2012-12-26 | 成都迈可森流体控制设备有限公司 | Double orientation shifting fork transmission case |
| US9625052B2 (en) | 2012-09-17 | 2017-04-18 | Chengdu Maikesen Fluid Control Equipment | Double-guidance shift fork transmission box |
| CN103984386A (en) * | 2014-04-18 | 2014-08-13 | 浙江三方控制阀股份有限公司 | Crankshaft sliding block type hand wheel mechanism |
| CN103984386B (en) * | 2014-04-18 | 2015-12-30 | 浙江三方控制阀股份有限公司 | Bent axle slide block type hand wheel mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865267B (en) | 2012-10-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: WUXI SMART AUTO-CONTROL ENGINEERING CO., LTD. Free format text: FORMER NAME: WUXIN INTELLIGENT AUTOMATIC CONTROL ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee after: Wuxi Smart Auto-Control Engineering Co., Ltd. Address before: 214026, No. 18, A zone, South Station Economic Development Park, Jiang Xi Street, Wuxi, Jiangsu Patentee before: Wuxin Intelligent Automatic Control Engineering Co., Ltd. |