CN104176686B - Connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission - Google Patents
Connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission Download PDFInfo
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- CN104176686B CN104176686B CN201410357512.3A CN201410357512A CN104176686B CN 104176686 B CN104176686 B CN 104176686B CN 201410357512 A CN201410357512 A CN 201410357512A CN 104176686 B CN104176686 B CN 104176686B
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- bracing frame
- rocking bar
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- 230000003028 elevating effect Effects 0.000 claims description 7
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- 238000005516 engineering process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
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- 208000031481 Pathologic Constriction Diseases 0.000 description 1
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Abstract
The invention relates to a connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission. The upper table surface of the lifting sliding guide rail is matched and assembled with the lower table surface of the sliding block. The shaft assembly is connected with the sliding block and the roll-over stand, one end of the roll-over connecting rod is fixed with the roll-over stand, and the other end of the roll-over connecting rod is fixed with or separated from the support frame through a fixed pin shaft and a pin clamping plate. The connecting rod, the sliding block and the support frame form a rocker sliding block mechanism, and the rocker swings to drive the sliding block to move up and down along the lifting sliding guide rail. The slider, the roll-over stand, the roll-over connecting rod and the supporting frame form a rocker slider mechanism, and the slider moves up and down linearly to drive the roll-over stand to perform roll-over motion. The invention realizes two functions of lifting and turning at the same time, has more compact structure, saves limited space, is convenient to operate and has good stability.
Description
Technical field
The invention belongs to precision optical machinery field, particularly to a kind of company based on differential screw transmission Yu rocker slider transmission
Bar lifting and turning device.
Background technology
Lifting and turning device realize lifting and turn over function respectively by different frame for movements mostly at present, i.e. realize every
Individual function is required for giving an active force, therefore has that structure complexity, poor stability, rising or falling speed be slow, operation inconvenience, manufactures
High in cost of production problem.And in the confined space, utilize differential principle and the plane four integrated lifting of rod principle and two kinds of functions of upset
And the device of the stable self-locking that puts in place has no report.
Summary of the invention
In order to solve problem of the prior art, it is an object of the invention to seek a kind of energy fast lifting simultaneously and upset and arrive
The device of self-locking is stablized in position.
For reaching described purpose, the present invention provides a kind of connecting rod lifting based on differential screw transmission Yu rocker slider transmission
And turning device, described device solves the technical scheme that its technical problem used and includes: bracing frame, feeding handwheel, differential spiral shell
Bar, screw mandrel axle bed, left driving nut, right driving nut, flange bearing pin, bearing assembly, push rod, cylindrical positioning pins, rocking bar, company
Bar, lifting carriage guide rail, slide block, shaft assembly, rollover stand, upset connecting rod, fixed pin shaft, pin card plate, limited block, pitch regulation support
Bar, adjusting screw rod, wherein:
Screw mandrel axle bed, two, left and right bearing assembly are each attached on bracing frame, and it is right that feeding handwheel one end connects differential screw arbor
Side end face.
Differential screw arbor center passes screw mandrel axle bed, and differential screw arbor two ends coordinates assembling with two, left and right bearing assembly, poor
Two sections, the left and right screw thread of dynamic screw rod screws in left driving nut, right driving nut respectively.
Two the push rod flange bearing pins in left and right are separately fixed on left driving nut, right driving nut, push rod and rocking bar, shake
Bar is fixed with cylindrical positioning pins with connecting rod respectively with bracing frame, rocking bar.
Two lifting carriage guide rails are separately mounted to the bracing frame left and right sides and position is identical, and i.e. slide block and connecting rod is hinged
Line QQ ' is parallel with the bottom base surface of bracing frame for point.The upper table surface of lifting carriage guide rail coordinates assembling with the following table of slide block.Axle
Assembly connection sliding block and rollover stand, overturn connecting rod one end and fix with rollover stand, the other end and bracing frame fixed pin shaft and pin card
Plate is fixed or frees.
Two limited blocks are fixed on two of bracing frame, and front and back two pitch regulation struts are separately fixed at before and after slide block two
Individual end face, adjusting screw rod screws in the center screw of pitch regulation strut, and adjusting screw rod front end face connects with the forward and backward surface of rollover stand
Touch.
The principle of the present invention is: being moved by differential screw transmission and rocker slider is realized device fast lifting simultaneously and turn over
Turn.
The present invention compared with prior art has the advantage that
1. set of device realizes two kinds of functions of lifting and upset, more compact structure simultaneously, saves the confined space；
2. device lifting and flip-flop movement only need to shake same feeding handwheel, easy to operate；
3. use differential screw mechanism, quickly carry out lifting and flip-flop movement.
4. auto lock after device motion puts in place, good stability.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention structure charts；
Fig. 2 is elevating movement principle schematic of the present invention；
Fig. 3 is flip-flop movement principle schematic of the present invention；
Fig. 4 is flip-flop movement structure chart of the present invention；
Fig. 5 is that fixed pin shaft of the present invention assembles schematic diagram with pin card plate.
The label declaration of parts in figure:
1. bracing frame, 2. feeding handwheel, 3. differential screw arbor,
4. screw mandrel axle bed, the most left driving nut, 5 '. right driving nut,
6. flange bearing pin, 7. bearing assembly, 8. push rod,
9. cylindrical positioning pins, 10. rocking bar, 11. connecting rods,
12. lifting carriage guide rails, 13. slide blocks, 14. shaft assemblies,
15. rollover stands,
15-1 front surface, 15-2 rear surface,
16. upset connecting rods, 17. fixed pin shafts, 18. pin card plates,
19. limited blocks, 20. pitch regulation struts, 21. adjusting screw rods
Left section of screw thread of A differential screw arbor；Right section of screw thread of B differential screw arbor；
P left rocking bar fixed pivot；P ' right rocking bar fixed pivot；
Q left slider and left connecting rod hinge point；The right slide block of Q ' and right connecting rod pin joint；
M bracing frame bottom base surface；M bracing frame sidepiece basal plane；
R rollover stand and upset connecting rod hinge point；
Curve α β rollover stand and the movement locus overturning connecting rod hinge point R.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
As Fig. 1-Fig. 5 illustrates the device of connecting rod lifting of the present invention and upset, it is characterised in that it includes bracing frame 1, feeding
Handwheel 2, differential screw arbor 3, screw mandrel axle bed 4, left driving nut 5, right driving nut 5 ', flange bearing pin 6, bearing assembly 7, push rod 8,
Cylindrical positioning pins 9, rocking bar 10, connecting rod 11, lifting carriage guide rail 12, slide block 13, shaft assembly 14, rollover stand 15, upset connecting rod 16,
Fixed pin shaft 17, pin card plate 18, limited block 19, pitch regulation strut 20, adjusting screw rod 21, wherein:
Screw mandrel axle bed 4, two, left and right bearing assembly 7 are each attached on bracing frame 1, and feeding handwheel 2 one end connects differential spiral shell
Bar 3 its right end face.
Differential screw arbor 3 center passes screw mandrel axle bed 4, and differential screw arbor 3 two ends coordinates dress with two, left and right bearing assembly 7
Joining, two sections, the left and right of differential screw arbor 3 screw thread A, B screw in left driving nut 5, right driving nut 5 ' respectively.
Two the push rod 8 flange bearing pins 6 in left and right are separately fixed on left driving nut 5, right driving nut 5 ', push rod 8 with
Rocking bar 10, rocking bar 10 are fixed with cylindrical positioning pins 9 with connecting rod 11 respectively with bracing frame 1, rocking bar 10.
Two lifting carriage guide rails 12 are separately mounted to bracing frame 1 left and right sides and position is identical, i.e. line QQ ' with support
The bottom base surface M of frame 1 is parallel.The upper table surface of lifting carriage guide rail 12 coordinates assembling with the following table of slide block 13.Shaft assembly 14 is even
Connecing slide block 13 and rollover stand 15, upset connecting rod 16 one end is fixed with rollover stand 15, the other end and bracing frame with fixed pin shaft 17 with
Pin card plate 18 is fixing or frees.
Two limited blocks 19 are fixed on two of bracing frame 1, and front and back two pitch regulation struts 20 are separately fixed at slide block
13 former and later two end faces, adjusting screw rod 21 screws in the center screw of pitch regulation strut 20, adjusting screw rod 21 front end face and upset
The front surface 15-1 of frame 15, rear surface 15-2 contact.
Described bracing frame 1 is weldment, as device lifting and the fixing component of flip-flop movement, it is ensured that device motion
Stationarity.
Described differential screw arbor 3 forms differential screw mechanism with left driving nut 5 with right driving nut 5 '.Differential screw arbor 3
The pitch of left and right two sections of screw threads A, B is respectively P1、P2, P1=P2, oppositely oriented.Left driving nut 5 and the right interior spiral shell of driving nut 5 '
The pitch of stricture of vagina is respectively P3、P4, P3=P4=P1=P2, P3With P1Rotation direction is consistent, P4With P2Rotation direction is consistent.
Described bearing assembly 7 is used for ensureing proper alignment and the stationarity that differential screw arbor 3 rotates.
Described cylindrical positioning pins 9 is precision positioning element, is used for being accurately positioned push rod 8 and rocking bar 10, rocking bar 10 and propping up
The relative position of support 1, rocking bar 10 and connecting rod 11.
Described rocking bar 10, connecting rod 11, slide block 13 and bracing frame 1 form slider-rocker mechanism, left rocking bar 10 fixed pivot P
Parallel with the bottom base surface M of bracing frame 1 with the line of right rocking bar 10 fixed pivot P '.Band movable slider about 13 when rocking bar 10 moves
Linear motion.
Described lifting carriage guide rail 12 is guide, is used for supporting and limit slide block 13, makes slide block 13 by assigned direction
Move along a straight line.Flatness≤the 0.005mm of lifting carriage guide rail 12 guide pass, guide pass is flat with bracing frame sidepiece basal plane N's
Row degree≤0.01mm.
Described slide block 13, rollover stand 15, upset connecting rod 16 and bracing frame 1 form slider-rocker mechanism, slide block about 13
Linear motion drives rollover stand 15 flip-flop movement.
Described fixed pin shaft 17 is step pin axle, for the relative position of positioning turning connecting rod 16 with bracing frame 1, limits
The elevating movement of rollover stand 15, makes device carry out flip-flop movement.
Described limited block 19 is limit element, plays spacing and protective effect when rollover stand 15 upset puts in place.
Described pitch regulation strut 20, for fixing the rollover stand 15 relative position with slide block 13, limits rollover stand 15
Flip-flop movement, makes device carry out elevating movement.
1. the realization of device flip-flop movement:
1-1. will front and back take off by two pitch regulation struts 20 from slide block 13；Simultaneously by upset connecting rod 10 with use steady pin
Axle 17 is positioned on bracing frame 1.As it is shown in figure 5, pin card plate 18 snaps in the bayonet socket of fixed pin shaft 17 and fixes with nut with screw.
1-2. shakes feeding handwheel 2 handle, gives differential screw arbor 3 one driving forces.Due to differential screw arbor 3 and left driving spiral shell
Mother 5, right driving nut 5 ' composition differential screw mechanism, thus differential screw arbor 3 rotates and drives left driving nut 5, right driving nut
5 ' move along differential screw arbor 3 axis direction rapid advance or leave.
The motion of 1-3. left driving nut 5, right driving nut 5 ' drive about two push rod 8 convergences or leave motion.
1-4. is hinged with rocking bar 10 due to push rod 8, and rocking bar 10 one end is fixed on bracing frame 1, therefore push rod 8 convergence or from
Opening motion drives rocking bar 10 to swing within the specific limits.
1-5. rocking bar 10, connecting rod 11, slide block 13 form slider-rocker mechanism with bracing frame 1, and rocking bar 10 is within the specific limits
Swing band movable slider 13 to move along a straight line up and down in lifting carriage guide rail 12 table top certain limit, elevating movement principle such as Fig. 2
Shown in.
1-6. slide block 13, rollover stand 15, upset connecting rod 16 form slider-rocker mechanism with bracing frame 1, and now active force is
The linear motion up and down of slide block 13, drives rollover stand 15 rotary motion, i.e. realizes the upset of device.Flip-flop movement principle such as Fig. 3
Shown in, the movement locus of rollover stand 15 and upset connecting rod 16 pin joint R is as shown in curve α β.
1-7. as shown in Figure 4, when rollover stand 15 is turned to the upper surface of the limited block 19 on rear surface 15-2 and bracing frame 1
During contact, device upset puts in place, now should stop shaking the handle of feeding handwheel 2.Due to differential screw mechanism, device realizes steady
Determine self-locking.
2. the realization of device elevating movement:
Two pitch regulation struts 20 are screwed face before and after slide block 13 by 2-1. respectively, are loaded on pitch regulation support
The adjusting screw rod 21 of bar 20 neutral threaded hole withstands two faces 15-1,15-2 of rollover stand 15；Screw out the spiral shell of pin card plate 18 simultaneously
Nail and nut, take off pin card plate 18, is extracted by fixed pin shaft 17, now upset connecting rod 16 and bracing frame in upset connecting rod 16 hole
1 disengages.
So far, slide block 13, pitch regulation strut 20 constitute an entirety with rollover stand 15.
2-2. lifting step is with step 1-2 to 1-5, and the rollover stand 15 being arranged on slide block 13 realizes moving up and down, and i.e. realizes
The lifting of device.Lifting due to differential screw mechanism after putting in place, device realizes stablizing self-locking.
What the present invention did not elaborated partly belongs to techniques known.
The above, the only detailed description of the invention in the present invention, but protection scope of the present invention is not limited thereto, and appoints
What is familiar with the people of this technology in the technical scope that disclosed herein, it will be appreciated that the conversion expected or replacement, all should contain
Within the scope of the comprising of the present invention.
Claims (12)
1. a connecting rod lifting based on differential screw transmission and rocker slider transmission and turning device, it is characterised in that include
Bracing frame (1), feeding handwheel (2), differential screw arbor (3), screw mandrel axle bed (4), left driving nut (5), right driving nut (5 '), method
Blue bearing pin (6), bearing assembly (7), push rod (8), cylindrical positioning pins (9), rocking bar (10), connecting rod (11), lifting carriage guide rail
(12), slide block (13), shaft assembly (14), rollover stand (15), upset connecting rod (16), fixed pin shaft (17), pin card plate (18), spacing
Block (19), pitch regulation strut (20), adjusting screw rod (21), wherein:
Screw mandrel axle bed (4), two, left and right bearing assembly (7) are each attached on bracing frame (1), and it is poor that feeding handwheel (2) one end connects
Dynamic screw rod (3) its right end face；
Differential screw arbor (3) center passes screw mandrel axle bed (4), and differential screw arbor (3) two ends coordinates with two, left and right bearing assembly (7)
Assembling, two sections, the left and right of differential screw arbor (3) screw thread screws in left driving nut (5), right driving nut (5 ') respectively；
Two push rods (8) in left and right are separately fixed on left driving nut (5), right driving nut (5 ') with flange bearing pin (6), push rod
(8) fix with cylindrical positioning pins (9) respectively with connecting rod (11) with bracing frame (1), rocking bar (10) with rocking bar (10), rocking bar (10)；
Two lifting carriage guide rails (12) are separately mounted to bracing frame (1) left and right sides and position is identical, i.e. slide block (13) with even
The pin joint line QQ ' of bar (11) is parallel with the bottom base surface M of bracing frame (1), the upper table surface of lifting carriage guide rail (12) and cunning
The following table of block (13) coordinates assembling, shaft assembly (14) connection sliding block (13) and rollover stand (15), upset connecting rod (16) one end with
Rollover stand (15) is fixed, and the other end and bracing frame (1) are fixing with fixed pin shaft (17) and pin card plate (18) or free；
Two limited blocks (19) are fixed on two of bracing frame (1), and front and back two pitch regulation struts (20) are separately fixed at cunning
Block (13) former and later two end faces, adjusting screw rod (21) screws in the center screw of pitch regulation strut (20), and adjusting screw rod (21) is front
End face contacts with the forward and backward surface of rollover stand (15).
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, the pitch of described differential screw arbor (3) left and right two sections of screw threads A, B is respectively P1、P2, P1=P2, oppositely oriented.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 2 and turning device,
It is characterized in that, described left driving nut (5) is respectively P with the female thread pitch of right driving nut (5 ')3、P4, P3=P4=P1
=P2, P3With P1Rotation direction is consistent, P4With P2Rotation direction is consistent.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described bearing assembly (7) is used for ensureing proper alignment and the stationarity that differential screw arbor rotates.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described cylindrical positioning pins (9) is precision positioning element, is used for being accurately positioned push rod (8) and rocking bar (10), rocking bar
(10) with bracing frame (1), the relative position of rocking bar (10) and connecting rod (11).
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described rocking bar (10), connecting rod (11), slide block (13) form slider-rocker mechanism, rocking bar (10) with bracing frame (1)
Swing band movable slider (13) to move up and down along lifting carriage guide rail.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described lifting carriage guide rail (12) is guide, is used for supporting and limiting slide block movement, make slide block (13) by
Determining direction to move along a straight line, the flatness≤0.005mm of lifting carriage guide pass, guide pass is flat with bracing frame sidepiece basal plane N's
Row degree≤0.01mm.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described slide block (13), rollover stand (15), upset connecting rod (16) form slider-rocker mechanism with bracing frame (1), sliding
Block (13) moves along a straight line up and down and drives rollover stand (15) flip-flop movement.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described fixed pin shaft (17) is step pin axle, for the phase para-position of positioning turning connecting rod (16) with bracing frame (1)
Put, limit the elevating movement of rollover stand (15), make device carry out flip-flop movement.
Connecting rod lifting based on differential screw transmission and rocker slider transmission the most according to claim 1 and turning device,
It is characterized in that, described limited block (19) is limit element, plays spacing and protective effect when rollover stand (15) upset puts in place.
11. connecting rod lifting based on differential screw transmission and rocker slider transmission according to claim 1 and turning devices,
It is characterized in that, described pitch regulation strut (20) is used for the relative position fixing rollover stand (15) with slide block (13), and restriction is turned over
The flip-flop movement of pivoted frame (15), makes device carry out elevating movement.
12. connecting rod lifting based on differential screw transmission and rocker slider transmission according to claim 6 and turning devices,
It is characterized in that, the line of left rocking bar (10) fixed pivot P and right rocking bar (10) fixed pivot P ' and bracing frame (1) bottom base surface
M is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357512.3A CN104176686B (en) | 2014-07-25 | 2014-07-25 | Connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357512.3A CN104176686B (en) | 2014-07-25 | 2014-07-25 | Connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104176686A CN104176686A (en) | 2014-12-03 |
| CN104176686B true CN104176686B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410357512.3A Active CN104176686B (en) | 2014-07-25 | 2014-07-25 | Connecting rod lifting and turning device based on differential screw transmission and rocker slider transmission |
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| CN (1) | CN104176686B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104868830B (en) * | 2015-05-22 | 2017-05-17 | 上海工程技术大学 | Installation and adjustment device of solar cell panel |
| CN104944315A (en) * | 2015-06-16 | 2015-09-30 | 北京航天发射技术研究所 | Scissors fork lifting type auxiliary supporting mechanism capable of being locked at random position |
| CN105151736A (en) * | 2015-08-12 | 2015-12-16 | 文登蓝岛建筑工程有限公司 | Automatic turnover device for wallboard |
| CN105719704B (en) * | 2016-04-13 | 2018-08-03 | 中国科学院光电技术研究所 | Space large-angle precise switching and locking device |
| CN107339725A (en) * | 2017-04-01 | 2017-11-10 | 宁波方太厨具有限公司 | A kind of movable part elevating mechanism of range hood and application have the range hood of the elevating mechanism |
| CN107825092B (en) * | 2017-09-30 | 2019-09-06 | 中国运载火箭技术研究院 | A kind of overturning assembly device |
| CN109246020A (en) * | 2018-10-19 | 2019-01-18 | 合肥享淘科技有限公司 | A kind of novel computer network router |
| CN112875560B (en) * | 2021-01-12 | 2023-04-07 | 奇瑞汽车河南有限公司 | Double-sliding rail type automobile jack mechanism |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1899169A (en) * | 2005-07-22 | 2007-01-24 | 刘小勇 | Pot rocking method and its device |
| CN2873637Y (en) * | 2006-01-16 | 2007-02-28 | 中兴通讯股份有限公司 | Turnover box loading device |
| CN100525737C (en) * | 2006-12-05 | 2009-08-12 | 韶关学院 | Automatic tuning bed |
| CN101385609B (en) * | 2007-09-10 | 2011-10-19 | 深圳市爱可机器人技术有限公司 | Turnover device and automatic/semi automatic cooking device |
| CN201850790U (en) * | 2010-10-18 | 2011-06-01 | 马超 | Creative stage capable of realizing dimensional movements of lifting, swinging and overturning |
| CN102249172A (en) * | 2011-07-18 | 2011-11-23 | 华中科技大学 | Multifunctional elevating and overturning device |
| CN202400605U (en) * | 2011-11-24 | 2012-08-29 | 华中科技大学 | Lifting turnover device |
| CN102774781B (en) * | 2012-07-26 | 2015-04-22 | 中国科学院自动化研究所 | Movable type reverse self-locking lift platform |
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2014
- 2014-07-25 CN CN201410357512.3A patent/CN104176686B/en active Active
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| CN104176686A (en) | 2014-12-03 |
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