CN206017605U - A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod - Google Patents
A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod Download PDFInfo
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- CN206017605U CN206017605U CN201620699433.5U CN201620699433U CN206017605U CN 206017605 U CN206017605 U CN 206017605U CN 201620699433 U CN201620699433 U CN 201620699433U CN 206017605 U CN206017605 U CN 206017605U
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Abstract
The utility model discloses a kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod, including drivewheel, driven pulley, transmission belt, determine tensioning wheel assembly, adjustable tensioning wheel assembly and the spring with spring preloading device adjust drawing screw arbor assembly, fix tensioning in transmission belt side, opposite side realizes transmission belt tensioning by the crank rocker mechanism driven based on guide rod, and transmission belt can be realized in forward and reverse operating, adaptivity adjustment when tensioning force direction is changed with size when fast slow rotation changes, spring preloading device can realize the automatic flexible tensioning to transmission belt and bullet simultaneously, plastic deformation timely compensation, ensure that tensile force is constant, and the tensile force to transmission belt is adjusted automatically according to the zone of reasonableness for setting.This utility model cornerite is big, is effectively improved belt and " skids " that phenomenon, stable drive, reliability, efficient, noise are little, and simple structure, easy to operate, highly versatile can apply to the fields such as band, chain, rope drive.
Description
Technical field
This utility model is related to a kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod, belongs to machinery
Drive technology field.
Background technology
Mechanical transmission mechanism is applied in engineering field widely, is extremely important group in engineering equipment system structure
Into part, and linkage can be used for transmitting movement and power, especially four-bar linkage and its evolution forms, in engineering
Application is equally using widely.
Existing band (or chain) drive mechanism frequently with monolateral, regular tensioning mode, monolateral tensioning mode exist band (or
Chain) with river in Jiangsu Province which flows into the Huangpu River of Shanghai side, forward and reverse rotation, fast pilled-in selvedge when changing at a slow speed occur that tensioning fluctuation is larger, easily tremble, drive control precision
Poor, and regular tensioner easily causes band (or chain) transmission elastic deformation and plastic deformation after the operating of certain time and stretches
Length cannot timely compensation, band (or chain) relax, tensile force decline, cause band (or chain) skid, be driven unstable, running noises
Greatly.In addition, existing band (or chain) transmission and strainer also to there is master and slave drive unreasonable with tensioning wheel layout designs,
Cause that cornerite is little, ability to work is low for transmission, transmission efficiency is low.
Content of the invention
The technical problems to be solved in the utility model is：Overcome existing band (or chain) drive mechanism and tensioner not
A kind of foot, there is provided the tight actuating device of double sheet of the little crank rocker mechanism driven based on guide rod of stable drive, reliability, noise.
Technical solution of the present utility model is：A kind of double sheet of the crank rocker mechanism driven based on guide rod is tightly driven
Device, the device include drivewheel, driven pulley, conveyer belt, determine tensioning wheel assembly, adjustable tensioning wheel assembly and spring and adjust drawing
Screw arbor assembly；Conveyer belt is enclosed within the outside of drivewheel and driven pulley, and with drivewheel and driven pulley engaged transmission, determine tensioning wheel assembly
And adjustable tensioning wheel assembly is located at the outside of the both sides conveyer belt between drivewheel and driven pulley respectively, conveyer belt is carried out bilateral
Tensioning, wherein, determines tensioning wheel assembly and is fixed position tensioning, adjustable tensioning wheel assembly and band spring pre-tightening to one side conveyer belt
The spring of device adjusts drawing screw arbor assembly and is hinged, and forms the crank rocker mechanism driven based on guide rod, realizes passing another side
Send the automatic flexible tensioning of band.
The adjustable tensioning wheel assembly includes tensioning wheel, crank around axle, stayed pole rotating shaft, the axis of a movable block, turning arm plate, crank
Set square；
The axis of a movable block is fixedly mounted on crank set square at the end angle in conveyer belt direction, and tensioning wheel is passed through with the axis of a movable block
Bearing connects, and tensioning wheel carries out tensioning to conveyer belt, and tensioning wheel carries out forward and reverse rotation around the axis of a movable block with transmission belt；
Crank is middle hard-wired multidiameter around axle, and crank connected by bearing with turning arm plate around the upper end axle journal of axle
Connect, turning arm plate pivots around crank, crank is diagonally held by axle with the long side on crank set square around the lower end journal of axle
Connection is held, crank set square pivots around crank；
Stayed pole rotating shaft is that rotation multidiameter, its lower end journal adjust drawing with crank set square near spring by bearing
Connect at the end angle of screw arbor assembly, its upper end axle journal is connected with turning arm plate, stayed pole rotating shaft upper end adjusts drawing spiral shell with spring
Bar assembly is hinged.
The spring adjusts drawing screw arbor assembly to be included pulling screw rod, linear bearing, bearing block rotating shaft, compression spring, method
Blue nut, top chock, step；Bearing block rotating shaft is connected with top chock, step respectively by two bearings, on
Bearing block, step are fixedly mounted in frock, and bearing block rotating shaft is rotated around top chock and step；Linear bearing is pacified
At inner hole of bearing seat loaded on bearing block rotating shaft, in hole, two ends are spacing to linear bearing fixation using back-up ring, and drawing screw rod is by light
Shaft part and thread segment two parts composition, light shaft part are hinged through linear bearing endoporus with stayed pole rotating shaft, and thread segment is through compression
Spring is screwed together with flange nut, spring stop is housed in the bearing block of bearing block rotating shaft near one end of compression spring,
The light shaft part of drawing screw rod can do straight reciprocating motion in linear bearing and turn relative to upper and lower axle bearing with bearing block rotating shaft
Dynamic.
Described determine tensioning wheel assembly and include determining tensioning wheel, fixed wheel axle；Determine tensioning wheel to be connected with fixed wheel axle by bearing, fixed
Bearing up pulley passes through around the forward and reverse rotation of fixed wheel axle.
The tensioning wheel of the adjustable tensioning wheel assembly and determine tensioning wheel assembly determine tensioning wheel near drivewheel, and open surely
The tensioning wheel present position of determining of bearing up pulley component is less than drivewheel radius with the normal distance of drivewheel and driven pulley central point line.
The size of the size of the pendulum angle of the drawing screw rod and suffered pulling force is true by the compress variation of compression spring
Calmly, position adjustments of the compress variation of compression spring by flange nut.
During transmission operation, the tensioning wheel of the adjustable tensioning wheel assembly location with determine tensioning wheel assembly
Determine that tensioning wheel is symmetrical with the central point line of drivewheel and driven pulley, the cornerite of driven wheel is more than 180 degree.
The beneficial effects of the utility model are：
(1) this utility model introduces four-bar linkage evolution forms, based on the crank rocker mechanism principle that guide rod drives
Design, stayed pole (guide rod) (swinging block) can rotate and can do straight reciprocating motion in linear bearing around the shaft, can achieve tensioning
Adaptivity adjustment when force direction changes, while the damping action of spring can achieve with (or chain) forward and reverse operating, soon at a slow speed
When rotating change, the automatic flexible of tensile force is adjusted, it is ensured that tensile force is constant, and tensile force range of accommodation is greatly increased；Can be with
Ensure that drive mechanism has constant tensile force, stable drive, reliability under various operating modes；
(2), when transmission belt reaches appropriate tensile strength, bilateral tension structure form is symmetrical for this utility model, it is ensured that transmission
Band characteristic when forward and reverse operating, fast slow rotation change is consistent, drive control precision is high；
(3) this utility model considerably increases the cornerite of principal and subordinate's movable belt pulley, so as to increase transmission tensile force of belt and torque, carries
The high load capacity of drive mechanism, so as to improve the ability to work of drive mechanism, also increases rubbing for transmission belt and belt wheel
Power is wiped, belt is effectively improved and " is skidded " phenomenon, be obviously improved transmission stability and transmission efficiency；
(4) the tight transmission structures of this utility model double sheet are simple and convenient to operate, stable drive, reliability, efficient, noise
Little, highly versatile can apply to the flexibility transmission field such as band, chain, rope drive.
Description of the drawings
Fig. 1 is overall structure axonometric schematic diagram of the present utility model；
Fig. 2 is overall structure exploded perspective view of the present utility model；
Fig. 3 is overall structure top view of the present utility model；
Fig. 4 is mechanism principle sketch of the present utility model；
Fig. 5 determines 4 sectional view of tensioning wheel assembly for of the present utility model；
Fig. 6 is 5 sectional view of adjustable tensioning wheel assembly of the present utility model；
Fig. 7 is that spring of the present utility model adjusts drawing 6 sectional view of screw arbor assembly；
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described further.
Fig. 1 is overall structure axonometric schematic diagram of the present utility model, and Fig. 2 is that overall structure of the present utility model blast is illustrated
Figure, Fig. 3 are overall structure top view of the present utility model.As illustrated, a kind of crank rocker mechanism driven based on guide rod
The tight actuating device of double sheet includes drivewheel 1, driven pulley 2, conveyer belt 3, determines tensioning wheel assembly 4, adjustable tensioning wheel assembly (crank structure
Part) 5, spring adjust drawing screw arbor assembly (guide rod swinging block pair) 6.In the present embodiment, conveyer belt 3 can also be chain or rope.
Conveyer belt 3 is enclosed within the outside of drivewheel 1 and driven pulley 2, and with 2 engaged transmission of drivewheel 1 and driven pulley, determine tensioning wheel
Component 4 and adjustable tensioning wheel assembly 5 are located at respectively on the outside of the both sides conveyer belt between drivewheel 1 and driven pulley 2, to conveyer belt 3
Carry out bilateral tensioning.Wherein, determine tensioning wheel assembly 4 and be fixedly installed in drivewheel 1, the close drivewheel 1 of 2 zone line of driven pulley
On the outside of one side transmission belt of one end, position tensioning is fixed to wherein transmission belt；Adjustable tensioning wheel assembly (crank structure
Part) 5 installed in drivewheel 1, on the outside of the another side transmission belt of 1 one end of close drivewheel of 2 zone line of driven pulley, and determine tensioning
4 position of wheel assembly is relative, and adjustable tensioning wheel assembly 5 adjusts drawing screw arbor assembly 6 with the spring with spring preloading device and is hinged, bullet
Spring pre-tightening apparatus realize the automatic flexible tensioning to another side transmission belt.
As shown in figure 5, determine tensioning wheel assembly 4 to include determining tensioning wheel 401, deep groove ball bearing 402, fixed wheel axle 403, fixed wheel axle
Set 404, bearing (ball) cover 405, tensioning wheel end cap 406.Fixed wheel axle 403 is fixedly mounted by soket head cap screw and fixed wheel axle sleeve 404；
Determine tensioning wheel 401 to be connected with fixed wheel axle 403 by double deep groove ball bearings 402,402 inner ring of double deep groove ball bearings and fixed wheel rotating shaft
403 lower end journal interference fit is installed, and 402 outer ring of double deep groove ball bearings loads determines at the inner bore of step of tensioning wheel 401, tensioning
The outer ring of the double deep groove ball bearings 402 of wheel end cap 406 pairs carries out upper limit；Bearing (ball) cover 405 is fixedly mounted by soket head cap screw
At the lower shaft end of fixed wheel axle 403, lower limit is carried out to the inner ring of double deep groove ball bearings 402；Tensioning wheel 401 is determined in deep-groove ball axle
Hold forward and reverse rotation can be carried out around fixed wheel axle 403 with transmission belt 3 under 402 effects.
As shown in fig. 6, adjustable tensioning wheel assembly (crank member) 5 includes crank around axle 501, crank set square 502, rotation
Arm plate 503, the axis of a movable block 504, stayed pole rotating shaft 505, rotation semaphore shaft bearing end cap 506, tensioning wheel 507, deep groove ball bearing
508th, bearing (ball) cover 509, tensioning wheel end cap 510.
The axis of a movable block 504 is fixedly mounted on the end angle in the close conveyer belt direction on crank set square 502 by circular flange
Place, tensioning wheel 507 are connected with the axis of a movable block 504 by double deep groove ball bearings, under double deep groove ball bearing inner rings and driving wheel rotating shaft 504
End-journal interference fit is installed, and double deep groove ball bearing outer rings load at the inner bore of step of tensioning wheel 507, tensioning wheel end cap 510 pairs
The outer ring of double deep groove ball bearings carries out upper limit；Bearing (ball) cover 509 is fixedly installed under the axis of a movable block 504 by soket head cap screw
Axial end, carries out lower limit to the inner ring of double deep groove ball bearings；Tensioning wheel 507 can be around driving wheel under the effect of double deep groove ball bearings
Axle 504 carries out forward and reverse rotation with transmission belt 3.
Crank is the hard-wired fixed step axle of middle circular flange around axle 501, crank around axle 501 upper end axle journal with
Turning arm plate 503 is connected by deep groove ball bearing, and deep groove ball bearing inner ring is fixed with bearing (ball) cover, while using
Rotation semaphore shaft bearing end cap is fixed on turning arm plate 503 on deep groove ball bearing outer ring, deep groove ball bearing inner ring and crank around
501 upper end axle journal interference fit of axle is installed, and turning arm plate 503 is rotated around axle 501 around crank by deep groove ball bearing outer ring, crank
Diagonally hold with the long side on crank set square 502 around the lower end journal of axle 501 and be connected by deep groove ball bearing, and use bearing (ball) cover
Deep groove ball bearing inner ring is fixed, while crank set square 502 is fixed on depth with rotation semaphore shaft bearing end cap
On ditch ball bearing outer ring, deep groove ball bearing inner ring is installed around 501 lower end journal interference fit of axle with crank, crank set square 502
Rotated around axle 501 around crank by deep groove ball bearing outer ring；
Stayed pole rotating shaft 505 is that rotation multidiameter, the lower end journal of stayed pole rotating shaft 505 are adopted with crank around 501 phase of axle
Same mode is connected with the end angle of close 601 side of drawing screw rod on crank set square 502 by deep groove ball bearing 508,
The upper end axle journal of stayed pole rotating shaft 505 is adopted with crank around 501 identical mode of axle by deep groove ball bearing and turning arm plate 503
The other end connects, the outer ring that the other end of turning arm plate 503 is fixed on deep groove ball bearing with rotation semaphore shaft bearing end cap 506
On, one end of drawing screw rod 601 is passed through inner hole sleeve at the upper end axle journal of stayed pole rotating shaft 505, by pulling screw rod 601 1
Step at end is fixed to deep groove ball bearing inner ring, meanwhile, pull endoporus and the stayed pole rotating shaft of 601 one end of screw rod
505 upper end axle journal all mills out two parallel rotation stop planes, is installed by the cooperation of two parallel rotation stop planes, and both turn without relative
Dynamic, so, pull screw rod 601 and can pass through the driving crank set square 502 of stayed pole rotating shaft 505 being attached thereto around fixed rotating shaft
501 are rotated, and rotating for crank set square 502 orders about the close conveyer belt direction being installed on crank set square 502 again
Tensioning wheel 507 at the angle of end carries out automatic flexible tensioning to transmission belt 3.
As shown in fig. 7, spring adjusts drawing screw arbor assembly guide rod swinging block pair 6 to include pulling screw rod (guide rod) 601, upper shaft
Bearing 602, step 603, deep groove ball bearing 604, realizing middle limiting axle sleeve 605, bearing (ball) cover 606, linear bearing 607, hole
With circlip 608, bearing block rotating shaft (swinging block) 609, spring stop 610, compression spring 611, flange nut 612.
604 outer ring of deep groove ball bearing is installed with 602 inner bore of step interference fit of top chock, another deep groove ball bearing
604 outer rings are installed with 603 inner bore of step interference fit of step, will be separately installed with the upper bearing of deep groove ball bearing 604
602nd, step 603 is fixedly mounted on the circular hole on fixed transfer plate by the flange hole on bearing block using soket head cap screw
The upper and lower surface at place, so installs and can ensure that both axialities, and the Circularhole diameter size on fixed transfer plate is slightly larger than deep
The endoporus step of the internal diameter of 604 outer ring of ditch ball bearing, fixed transfer plate and upper and lower axle bearing 602,603 is simultaneously deep to upper and lower two
The outer ring of ditch ball bearing 604 is fixed spacing, and about 605 pairs, realizing middle limiting axle sleeve, the inner ring of two deep groove ball bearings 604 enters
Row is spacing, and the necked part of bearing block rotating shaft (swinging block) 609 is through upper and lower two deep groove ball bearings 604 and realizing middle limiting axle sleeve
605 endoporus, the upper end shaft shoulder of the necked part of bearing block rotating shaft (swinging block) 609 are carried out to the inner ring of upper deep groove ball bearing 604
Upper end is spacing, and it is spacing that the inner ring for installing 606 pairs of lower deep groove ball bearings 604 of spring washer and bearing (ball) cover additional using nut carries out lower end, axle
Bearing rotating shaft (swinging block) 609 can be rotated with the inner ring of upper and lower two deep groove ball bearings 604.
Linear bearing 607 is installed at the inner hole of bearing seat of bearing block rotating shaft 609, and in hole, two ends use circlip for hole
The 608 pairs of linear bearings 607 are fixed spacing, and drawing screw rod 601 is made up of light shaft part and thread segment two parts, and one end is turned with stayed pole
Without connection is relatively rotated, the light shaft part for pulling screw rod 601 passes through 607 endoporus of linear bearing to axle 505, and thread segment below is through pressure
Contracting spring 611, flange nut 612 are screwed in the other end of compression spring 611 on thread segment, in the bearing of bearing block rotating shaft 609
Spring stop 610 is installed in the one end for seating against nearly compression spring 611, and the light shaft part for pulling screw rod 601 can be done in linear bearing 607
Straight reciprocating motion is simultaneously rotated relative to upper and lower axle bearing with bearing block rotating shaft 609, realizes the shifting of guide rod-swinging block subcomponent
Dynamic-swinging pair functional movement, meanwhile, install linear bearing 607 effect can greatly reduce drawing screw rod 601 light shaft part and
The axis hole sliding friction of 609 inner hole of bearing seat of bearing block rotating shaft, it is to avoid drawing screw rod 601 is by " stuck ".
In the case where spring stop 610 is to the barrier effect of 611 one end of compression spring, flange is screwed toward 610 direction of spring stop
Nut 612 makes compression spring 611 produce compression, and compression spring reacts on flange nut 612, realizes compression spring
611 compressions produce pressure be converted into pull 601 reciprocal pulling force of screw rod so that drawing screw rod 601 by with
The stayed pole rotating shaft 505 of connection pull crank set square 502 to be rotated around fixed rotating shaft 501, crank set square 502 turns
Tensioning wheel 507 at the dynamic end angle for ordering about the close conveyer belt direction being installed on crank set square 502 again is carried out to transmission belt 3
Automatic flexible tensioning, constitute conveyer belt fix tensioning, another side can automatic flexible regulation tensioning the tight drive mechanism of double sheet.
The size of the size of drawing 601 pendulum angle of screw rod and suffered pulling force is caused by the position that flange nut 612 is screwed in thread segment
Compress variation being adjusted, by pull the size of screw rod (guide rod) 601 pendulum angle and the size of suffered pulling force come
Realize the regulation that tensioning force direction and size is carried out to transmission belt 3；Spring preloading device can be realized to the automatic soft of transmission belt 3
Property tensioning, and the elasticity to transmission belt 3, the timely compensation of plastic deformation, and to the tensile force of transmission belt 3 according to the conjunction for setting
Reason scope is adjusted automatically；Opposite side is then fixed position tensioning to transmission belt 3 by tensioning wheel assembly 4 is determined.
Operation principle of the present utility model is：Evolution forms crank rocker mechanism principle based on four-bar linkage
Design, drives tensioning mode using guide rod, as shown in figure 4, drawing screw rod (guide rod) 601 upper band spring preloading device, will compression
The pressure that 611 compression of spring is produced by react on the flange nut 612 in drawing screw rod (guide rod) 601 be changed into right
The reversal interlocking relay of drawing screw rod (guide rod) 601, pulls crank set square 502 to rotate around fixing axle, so as to drive installation is in crank
Dynamic tensioning wheel 507 on 502 carries out automatic flexible tensioning to transmission belt.
As shown in figure 3, the tensioning wheel 507 of adjustable tensioning wheel assembly 5 and the tensioning wheel 401 of determining for determining tensioning wheel assembly 4 are located at
The outside of the both sides conveyer belt of close 1 one end of drivewheel between drivewheel 1 and driven pulley 2, and determine fixed of tensioning wheel assembly 4
401 present position of bearing up pulley is less than drivewheel radius with the normal distance of 2 central point line of drivewheel 1 and driven pulley, works as transmission belt
When reaching appropriate tensile strength, the present position of the tensioning wheel 507 of adjustable tensioning wheel assembly 5 with determine tensioning wheel assembly 4 determine tensioning
The present position of wheel 401 is symmetrical with the central point line of drivewheel 1 and driven pulley 2 so that the cornerite of driven wheel is both greater than
180 degree, increases transmission tensile force of belt and torque, improves the load capacity of drive mechanism, so as to improve the work of drive mechanism
Make ability, meanwhile, the tight actuating device cornerite of double sheet is big, is effectively improved belt and " skids " phenomenon, stable drive, reliability, efficient.This
Outward, the version of both sides symmetric tensioning pole causes that transmission belt characteristic in forward and reverse operating, fast slow rotation is consistent, transmission control
High precision, and simple structure, easy to operate, highly versatile, can apply to the flexibility transmission field such as band, chain, rope drive.
The tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod provided by the utility model can be realized
Adaptivity of transmission belt when tensioning force direction and size change when forward and reverse operating, fast slow rotation change is adjusted,
Automatic flexible tensioning to transmission belt and elastic and plastic properties deformation can be realized simultaneously in good time with the adjustable spring preloading device of elastic force
Compensate, it is ensured that tensile force is constant, and the tensile force to transmission belt is adjusted automatically according to the zone of reasonableness for setting.This tensioning side
Formula is more scientific rationally, steady, reliable, efficient.
Be based on operation principle of the present utility model, this utility model can according to drivewheel 1, driven pulley 2, conveyer belt 3, fixed
Bearing up pulley component 4, adjustable tensioning wheel assembly (crank member) 5, spring adjust drawing screw arbor assembly (guide rod swinging block pair) 6 in difference
The fixed installation mode of mounting platform, it is possible to achieve two kinds of different actual functional capabilities, to meet the drive mechanism of different function requirements
And use occasion, realize economic benefit and use value.
Driven pulley 2 is maintained static, drivewheel 1, determine tensioning wheel assembly 4, adjustable tensioning wheel assembly 5, spring adjust lead
Screw arbor assembly 6 is drawn on one piece of Moving plate, can so realize that drivewheel 1 and double tensioners are overall together in conveyer belt 3
Planetary rotation is done around driven pulley 2 under effect, Amimuth Transmission of some electromechanical equipments such as antenna for satellite communication in motion etc. is can apply to.
By drivewheel 1, both driven pulleys 2 fixed position install, while determine tensioning wheel assembly 4, adjustable tensioning wheel assembly 5,
Spring adjusts drawing screw arbor assembly 6, and also fixed position is installed, and can so realize that drivewheel 1 drives driven pulley 2 by conveyer belt 3
Both forward and reverse directions, fast slow rotation is done, belongs to very common machine driving form, application is widely.
This utility model unspecified part belongs to general knowledge as well known to those skilled in the art.
Claims (5)
1. a kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod, it is characterised in that including drivewheel (1),
Driven pulley (2), conveyer belt (3), determine tensioning wheel assembly (4), adjustable tensioning wheel assembly (5) and spring and adjust drawing screw arbor assembly
(6)；Conveyer belt (3) is enclosed within the outside of drivewheel (1) and driven pulley (2), and with drivewheel (1) and driven pulley (2) engaged transmission, fixed
Tensioning wheel assembly (4) and adjustable tensioning wheel assembly (5) are located at the both sides conveyer belt between drivewheel (1) and driven pulley (2) respectively
Outside, bilateral tensioning is carried out to conveyer belt (3), wherein, tensioning wheel assembly (4) is determined and is fixed position to one side conveyer belt
Tightly, adjustable tensioning wheel assembly (5) adjust drawing screw arbor assembly (6) with the spring with spring preloading device and are hinged, and are formed to be based on and are led
The crank rocker mechanism that bar drives, realizes the automatic flexible tensioning to another side conveyer belt.
2. the tight actuating device of double sheet of a kind of crank rocker mechanism driven based on guide rod according to claim 1, which is special
Levy and be that described adjustable tensioning wheel assembly (5) include tensioning wheel (507), crank around axle (501), stayed pole rotating shaft (505), driving wheel
Axle (504), turning arm plate (503), crank set square (502)；
The axis of a movable block (504) is fixedly mounted at the end angle in the upper close conveyer belt direction of crank set square (502), tensioning wheel (507)
It is connected by bearing with the axis of a movable block (504), tensioning wheel (507) carries out tensioning to conveyer belt, and tensioning wheel (507) is around the axis of a movable block
(504) forward and reverse rotation is carried out with transmission belt (3)；
Crank is middle hard-wired multidiameter around axle (501), upper end axle journal and turning arm plate of the crank around axle (501)
(503) connected by bearing, turning arm plate (503) around crank around axle (501) rotate, crank around axle (501) lower end journal with
Diagonally end is connected by bearing on long side on crank set square (502), and crank set square (502) is rotated around axle (501) around crank；
Stayed pole rotating shaft (505) is that rotation multidiameter, its lower end journal are adjusted near spring with crank set square (502) by bearing
Connect at the end angle of section drawing screw arbor assembly (6), its upper end axle journal is connected with turning arm plate (503), in stayed pole rotating shaft (505)
End adjusts drawing screw arbor assembly (6) with spring and is hinged.
3. the tight actuating device of double sheet of a kind of crank rocker mechanism driven based on guide rod according to claim 1, which is special
Levy and be that the spring adjusts drawing screw arbor assembly (6) and includes drawing screw rod (601), linear bearing (607), bearing block rotating shaft
(609), compression spring (611), flange nut (612), top chock (602), step (603)；Bearing block rotating shaft (609)
It is connected with top chock (602), step (603) by two bearings respectively, top chock (602), step (602)
It is fixedly mounted in frock, bearing block rotating shaft (609) is rotated around top chock (602) and step (603)；Linear bearing
(607) it is installed at the inner hole of bearing seat of bearing block rotating shaft (609), in hole, two ends are fixed to linear bearing (607) using back-up ring
Spacing, drawing screw rod (601) is made up of light shaft part and thread segment two parts, and light shaft part passes through linear bearing (607) endoporus and leads
Rod shaft (505) is hinged, and thread segment is screwed together through compression spring (611) with flange nut (612), turns in bearing block
The bearing block of axle (609) pulls the light shaft part of screw rod (601) near one end of compression spring (611) equipped with spring stop (610)
Straight reciprocating motion can be done in linear bearing (607) and is rotated relative to upper and lower axle bearing with bearing block rotating shaft (609).
4. the tight actuating device of double sheet of a kind of crank rocker mechanism driven based on guide rod according to claim 1, which is special
Levy be described determine tensioning wheel assembly (4) include determine tensioning wheel (401), fixed wheel axle (403)；Tensioning wheel (401) is determined by bearing
(402) it is connected with fixed wheel axle (403), determines tensioning wheel (401) and pass through around the forward and reverse rotation of fixed wheel axle (403).
5. the tight actuating device of double sheet of a kind of crank rocker mechanism driven based on guide rod according to claim 1, which is special
Levy the tensioning wheel (507) that is adjustable tensioning wheel assembly (5) and determine tensioning wheel assembly (4) to determine tensioning wheel (401) close
Drivewheel (1), and determine the determining in tensioning wheel (401) present position and drivewheel (1) and driven pulley (2) of tensioning wheel assembly (4)
The normal distance of heart point line is less than drivewheel radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699433.5U CN206017605U (en) | 2016-07-05 | 2016-07-05 | A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699433.5U CN206017605U (en) | 2016-07-05 | 2016-07-05 | A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod |
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| Publication Number | Publication Date |
|---|---|
| CN206017605U true CN206017605U (en) | 2017-03-15 |
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|---|---|---|---|
| CN201620699433.5U Expired - Fee Related CN206017605U (en) | 2016-07-05 | 2016-07-05 | A kind of tight actuating device of double sheet of the crank rocker mechanism driven based on guide rod |
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|---|---|---|---|---|
| CN109126023A (en) * | 2017-06-19 | 2019-01-04 | 城绍科技股份有限公司 | Adjusting mechanism capable of dynamically adjusting tension balance on two sides of multi-groove type transmission belt |
| CN109126023B (en) * | 2017-06-19 | 2020-11-03 | 城绍科技股份有限公司 | Adjusting mechanism capable of dynamically adjusting tension balance on two sides of multi-groove type transmission belt |
| CN108100577A (en) * | 2018-02-01 | 2018-06-01 | 前海瑞智捷自动化科技（深圳）有限公司 | A kind of conveyer belt automatic takeup and transmission equipment |
| CN108100577B (en) * | 2018-02-01 | 2023-09-19 | 前海瑞智捷自动化科技（深圳）有限公司 | Automatic tensioning device of conveyor belt and conveying equipment |
| CN108694772A (en) * | 2018-03-21 | 2018-10-23 | 南通大学 | A kind of flatiron flattening-out device and method of sheet-like flexible material |
| CN111496539A (en) * | 2019-01-31 | 2020-08-07 | 浙江巨力电机成套设备有限公司 | Feeding device for finish turning machine, polishing device and finish turning machine |
| CN111496539B (en) * | 2019-01-31 | 2022-01-18 | 浙江巨力电机成套设备有限公司 | Feeding device for finish turning machine, polishing device and finish turning machine |
| CN112914607A (en) * | 2019-12-06 | 2021-06-08 | 通用电气精准医疗有限责任公司 | Ultrasonic imaging device and imaging method thereof |
| EP4088044A4 (en) * | 2020-01-08 | 2024-02-21 | Gates Corporation | Preloaded tensioner device and belt assembly |
| CN115056882A (en) * | 2022-04-26 | 2022-09-16 | 中国北方车辆研究所 | Three-degree-of-freedom bionic leg-foot structure and four-foot robot applying same |
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