CN110155858A - Man power lifting device - Google Patents

Abstract

The invention discloses a kind of man power lifting devices, including bracket, cord winder, lever mechanism, slider-rocker mechanism, reversing gear, seat component and pedal parts；The bracket uses weldment, it is fixedly mounted on the ground, cord winder, lever mechanism, slider-rocker mechanism and reversing gear pass through the upper end that bolt is packed in bracket, seat component and pedal parts are mounted on longitudinal square steel of bracket by the roller clip of two sides, prismatic pair is formed, seat component, pedal parts are connect by drawstring with cord winder, lever mechanism.The present invention realizes the self-service lifting of seat and pedal using co-ordinations such as lever mechanism, slider-rocker mechanism, subgenus Eospalax.The features such as present invention has at low cost, and installation space is small, easy to operate, safe and reliable, can provide a kind of labour-saving home-use upper mode of going downstairs for old man.

Description

Man power lifting device

Technical field

The present invention relates to a kind of lifting device, in particular to a kind of man power lifting device.

Background technique

For present floor, more and more people's enjoyment elevator bring is convenient and comfortable, especially close in personnel The effect of the local elevator of collection seems of crucial importance, while the change of elevator largely changes the wind of modern architecture Lattice.Currently on the market, elevator can be divided into vertical ladder and staircase by type, and they play different effects in different fields, Vertical ladder is generally used for the office residential location such as high buildings and large mansions, and staircase is generally used for market etc..Home lift quilt there are many at present Vast family is used, and especially has the family of old man, on what this elevator can be convenient and safe allow old man downstairs, be may be present and is made Such issues that valence is relatively expensive, has a power failure the disadvantages of unusable, and manpower elevator can solve, and can be the elderly when being used as a kind of The tool of exercise.Therefore, design that a structure is simple, and manufacturing cost is lower, facilitating the manpower elevator of installation is currently on the market Elevator industry project urgently to be solved.

Summary of the invention

In order to solve the above technical problems, the present invention provides the manpower that a kind of structure is simple, manufacturing cost is lower, structure is safe Lifting device.

The technical scheme is that a kind of man power lifting device, including bracket, cord winder, lever mechanism, rocking bar are sliding Block mechanism, reversing gear, seat component and pedal parts.

The bracket includes handrail round steel, connects channel steel, and commutate positioning disk, girder channel steel, middle pulley bracket, Zong Xiangfang Steel, pulley blocks, left chain wheel bracket, pedestal channel steel, pedestal angle steel, support plate and right pulley bracket；The longitudinal square steel difference in described 2 It is welded on girder channel steel and pedestal channel steel both ends, commutation positioning disk is connect and is welded on longitudinal square steel upper end, 2 handrail round steel difference It is welded on girder channel steel by 2 connection channel steels, pedestal angle steel one end is welded in the middle part of pedestal channel steel, the weldering of the pedestal channel steel other end 2 support plates are connect, pulley blocks are filled in support plate, middle pulley bracket is connected in the middle part of girder channel steel with bolt, is filled on middle pulley bracket There are 8 groups of pulley blocks, 2 left chain wheel brackets and 2 right pulley brackets are packed in 2 longitudinal square steel tops, left chain wheel bracket with screw respectively With 2 pulley blocks are respectively provided on right pulley bracket.

The cord winder is divided into seat cord winder and pedal cord winder, including the support of bearing, left rope drum, seat Chair arresting disc, freewheel clutch, torsional spring stop screw, torsional spring, drawstring reel, right rope drum, main shaft, wire pressing device, lever drawstring, Jaw clutch, axle end bearing and pedal arresting disc；2 supports of bearing are packed on 2 longitudinal square steel with screw respectively, main 2 axle end bearings are installed at axis both ends respectively, and axle end bearing is mounted in the support of bearing, and left rope drum is separately mounted to right rope drum On main shaft, and circumferential direction and axially position are carried out with flat key and circlip respectively, installs 3 respectively on left rope drum and right rope drum Wire pressing device, through bearing empty set on main shaft, the driven member of jaw clutch is mounted on master by spline for freewheel clutch engagement It on axis, can be moved axially along main shaft, the driving link of jaw clutch is packed on freewheel clutch inner ring, and drawstring reel is packed in On freewheel clutch outer ring, 2 groups of wire pressing devices, clamping lever drawstring are housed on the ring flange of drawstring reel, torsional spring is mounted on drawstring It on reel, is tightened on freewheel clutch outer ring by torsional spring stop screw, one end of torsional spring is limited.

In the seat cord winder, seat arresting disc is mounted on main shaft by spline, and axial with circlip Positioning, in pedal cord winder, is substituted for pedal arresting disc for seat arresting disc.

The pedal arresting disc includes arresting disc, cam disc torsional spring, cam disc stop bit column, cam disc, wheel shaft and torsional spring Stop bit column；3 wheel shafts and 3 cam disc stop bit columns are tightly packed on arresting disc respectively, and cam disc is hinged on wheel shaft, 3 torsional springs Stop bit column is tightly packed in 3 cam discs respectively, and cam disc torsional spring is mounted between arresting disc and cam disc, and cam disc torsional spring both ends lead to respectively It crosses cam disc stop bit column and torsional spring stop bit column limits.

The lever mechanism includes lever, lever copper sheathing, lever dolly, lever pin shaft, pulley blocks and torsional spring limited block； The lever dolly uses balanced welding fitting structure, is packed in girder channel steel by bolt, 2 torsional spring limited blocks are respectively welded at Lever dolly two sides lower end, torsional spring limited block limit the torsional spring other end, and 2 lever middles pass through lever copper sheathing and lever pin respectively Axis is hinged on lever dolly two sides, and 2 lever one end are respectively articulated with pulley blocks, and the 2 lever other ends are fixedly mounted with lever with rope fixture respectively The end of drawstring.

The slider-rocker mechanism includes connection frame, cover board, fastening screw, sliding block pressure spring, spring abutment, spline sleeve, seat Chair splined shaft, sliding sleeve pin shaft, seat stop roller, connecting rod, L-type rocking bar and Cam Follower；The connection frame passes through bolt It is packed in girder channel steel, seat splined shaft is mounted in connection frame splined hole, and passes through cover board and fastening screw axially position, flower Key sliding sleeve, which is sleeved on seat splined shaft, forms prismatic pair, and spring abutment and sliding block pressure spring are mounted between connection frame and spline sleeve, even One end of bar is hinged on spline sleeve by sliding sleeve pin shaft, the hinged seat stop roller in sliding sleeve pin shaft end, the connecting rod other end It is hinged with one end of L-type rocking bar, it is hinged on connection frame in the middle part of L-type rocking bar, Cam Follower is hinged on the L-type rocking bar other end.

The reversing gear includes operating mechanism rack, translates follower, and commutation cam mechanism and translation are pitched Frame；The operating mechanism rack uses plate weldment, and the middle part of girder channel steel is packed in by bolt, translates follower Including pedal stop roller；The commutation cam mechanism includes shift plate；The translation crotch includes lever limit hook and C Type shift fork；Commutation cam mechanism is hinged on longitudinal square steel equipped with commutation positioning disk, operating mechanism rack and translation follower It is configured to internal prismatic pair, pedal stop roller is hinged on translation follower, can contact to form cam pair with arresting disc, puts down It moves inside crotch and commutation cam mechanism and forms cam pair, translate crotch relative to operating mechanism rack and do translational motion, 2 levers Limit hooks and 2 c-type shift forks are respectively symmetrically packed in the two sides for translating crotch, and c-type shift fork fork is mounted in the groove of jaw clutch It is interior.

The seat component includes seat frame, right seat cant board, back support bar, seat plate, left seat cant board, idler wheel Bracket, roller shaft, idler wheel, lifting lug limit band and seat Extension support；The seat frame uses profile weldment, left seat side Vertical plate and right seat cant board are packed in the two sides of seat frame with bolt respectively, and rolling wheel support uses profile weldment, 2 idler wheel branch Frame is packed on left seat cant board and right seat cant board with bolt respectively, and 2 rolling wheel support sides are fixedly mounted with 2 lifting lugs respectively, is made For the rope rolling beginning installation point of seat component, 4 roller shafts are packed on rolling wheel support respectively, and 4 idler wheels are respectively hinged at 4 idler wheels On axis, 4 idler wheels are installed in the two sides of longitudinal square steel two-by-two, move up and down seat component can square steel along longitudinal direction, seat plate is hinged Between left seat cant board and right seat cant board, seat Extension support is packed on seat plate, on seat Extension support and seat frame It is respectively provided with 1 lifting lug, as the beginning and end installation point of seat lever endless rope, the one end for limiting band is mounted on seat frame On.

The pedal parts include right-hand tread plate cant board, running-board bracket, pedal, left-hand tread plate cant board, pedal Extension support, rolling Wheel support, roller shaft, idler wheel and lifting lug；The running-board bracket uses profile weldment, and left-hand tread plate cant board and right-hand tread plate are edge-on Plate is packed in the two sides of running-board bracket with bolt respectively, and 2 rolling wheel supports are packed in left-hand tread plate cant board and right-hand tread plate cant board respectively On, 2 rolling wheel support sides are fixedly mounted with 2 lifting lugs respectively, and as the rope rolling beginning installation point of pedal parts 7,4 roller shafts are packed in respectively On rolling wheel support, 4 idler wheels are respectively hinged on 4 roller shafts, and 4 idler wheels are installed in the two sides of longitudinal square steel two-by-two, make pedal parts It square steel can move up and down along longitudinal direction, pedal is hinged between left-hand tread plate cant board and right-hand tread plate cant board, and pedal Extension support is packed in On pedal, it is respectively provided with 1 lifting lug on pedal Extension support and running-board bracket, is installed as the beginning of foot pedal lever endless rope and end Point, the other end for limiting band are mounted on running-board bracket, limit the relative displacement of seat component and pedal parts.

Wiring of the invention has 4 groups, respectively seat rope rolling, pedal rope rolling, seat lever endless rope, foot pedal lever circulation Rope；The beginning of the seat rope rolling is mounted on the lifting lug on right seat cant board and the outer side roller brackets of left seat cant board On, left chain wheel bracket and right pulley bracket are bypassed respectively, and be each passed through the hole of right rope drum Yu left rope drum, seat is rolled up The end of rope is fixed in wire pressing device, and seat rope rolling is respectively wound around right rope drum along helix for the rotation of main shaft On left rope drum, the movement of folding and unfolding seat rope rolling is completed, achievees the purpose that lifting seat component.

The beginning of the pedal rope rolling is mounted on right-hand tread plate cant board and the outer side roller brackets of left-hand tread plate cant board On lifting lug, the left chain wheel bracket and right pulley bracket of the other side are bypassed respectively, and are each passed through another group of right rope drum and left volume The end of pedal rope rolling is fixed in wire pressing device by the hole of rope roll, and pedal rope rolling is by with the rotation of main shaft, along helix It is respectively wound around on another group of right rope drum and left rope drum, completes the movement of folding and unfolding pedal rope rolling, reach lifting pedal component Purpose；

The beginning of the seat lever endless rope is mounted on the lifting lug on seat Extension support, around 2 on middle pulley bracket Pulley blocks, the pulley blocks on the lever of pedal cord winder side, further around cross middle pulley bracket on other 2 groups of pulley blocks, Entire mechanism is passed through straight down, is turned to by the pulley blocks in the support plate welded on pedestal angle steel, and the end of rope is installed On lifting lug on seat frame, seat lever circulation rope length is slightly shorter than entire circuit, lifts seat plate relative to seat frame Play fixed angle；

The beginning of the foot pedal lever endless rope is mounted on the lifting lug on pedal Extension support, around 2 on middle pulley bracket Organize pulley blocks, the pulley blocks on the lever of seat cord winder side, further around remaining 2 groups of pulleys on middle pulley bracket excessively Group passes through entire mechanism straight down, is turned to by the pulley blocks in another support plate for welding on pedestal angle steel, by rope End tie up on the lifting lug in the middle part of running-board bracket, foot pedal lever circulation rope length be slightly shorter than entire circuit, make the opposite of pedal Fixed angle is lifted in running-board bracket.

Reversing gear three kinds of gear states of work point of the invention: stopping transport, rise and fall gear；Stoppage in transit gear: Shift plate is horizontal position, and lever limit hooks the middle position for being located at lever, so that lever mechanism fails, limits seat component and pedal The rising of component；It drives the grinding tooth of jaw clutch to be in half disengaged position by c-type shift fork, plays the function of safeguard protection, Meanwhile seat stop roller seat limits the reversion of seat arresting disc, prevents seat component from declining, and pedal stop roller With with step on arresting disc and contact to form cam pair, limit the reversion for stepping on arresting disc, prevent pedal parts from declining；Rise gear: When ascent guidance rope being pulled to make to shift gears plate in 30 ° of upper left overturning angle, mechanism, which is in, rises gear, hooks lever limit positive mobile Lever is completely disengaged, meanwhile, c-type shift fork forward direction is mobile, and keep jaw clutch at a fully engaged with freewheel clutch, and pedal stop Roller reverse movement keeps and steps on arresting disc and contact to form cam pair, prevents pedal parts from declining, meanwhile, seat stop rolling Stroma chair limits the reversion of seat arresting disc, prevents seat component from declining；Decline gear: decline control wire is pulled to make to shift gears When plate is in 30 ° of upper right overturning angle, mechanism is in decline gear, so that lever limit is hooked reverse movement and locks lever, lever mechanism Failure, limit the rising of seat component and pedal parts, meanwhile, c-type shift fork reverse movement, make jaw clutch and surmount from Clutch is in the state that is disengaged from, and the rotation of main shaft will not influence freewheel clutch, and pedal stop roller forward direction is mobile, completely Arresting disc is stepped in disengaging, releases the decline locking of pedal parts.

Rising working principle of the invention is: seat component rises: people stands on pedal, so that pedal is initial from level Position tilts down, and is pulled downward on the pulley blocks on the lever of seat cord winder side by foot pedal lever endless rope, seat Cord winder side lever end tilts, and by lever drawstring pull-up, lever drawstring drives freewheel clutch to rotate forward, and torsional spring torsion stores Power, freewheel clutch drive the jaw clutch of grinding tooth, and jaw clutch drives main shaft in seat cord winder to rotate forward, makes seat Left rope drum and right rope drum rotate forward wiring in cord winder, and seat component is pulled to rise, while arresting disc rotates forward, seat stop Roller climbs along seat arresting disc outer profile, and sliding block pressure spring is squeezed, and main shaft rotates 120 ° later in the recovery of sliding block pressure spring Under power, seat stop roller limits its reversion from the highest bit recovery of seat arresting disc to lowest order, and seat component rises certain Height completes a trip；Pedal parts rise: people sits back on seat plate, keeps seat plate horizontal from inclination initial position arrival Position, is pulled downward on the pulley blocks on the lever of pedal cord winder side by seat lever endless rope, similarly, drives pedal volume The main shaft of rope device side inverts, and so that left rope drum and right rope drum in pedal cord winder is inverted wiring, pulls pedal parts Rise, while pedal arresting disc inverts, pedal stop roller climbs along arresting disc outer profile, sliding block pressure spring squeezed, main shaft Rotation 120 ° after under the restoring force of sliding block pressure spring, pedal stop roller from the highest bit recovery of arresting disc to lowest order, and Self-locking, pedal parts rise certain altitude and complete a trip, at the same time, due to almost not stressing, in seat cord winder Torsional spring restores, and freewheel clutch reversion enters lever drawstring backrush on drawstring reel, but main shaft is motionless, and side lever returns to just Beginning horizontal position drives pedal to revert to horizontal initial position；Repeat seat component vertical motion, similarly, pedal cord winder The lever mechanism 3 of side restores initial position；And so on, it can be achieved that seat component and pedal parts replace rising.

Decline working principle of the invention is: people is sitting on seat plate, steps on pedal parts decline, makes pedal cord winder Middle left rope drum and right rope drum are just relaying rope, and main shaft drives pedal arresting disc to rotate forward in driving pedal cord winder, work as pedal When arresting disc rotates forward 110 °, cam disc contacts to form cam pair with Cam Follower, and the continuation of pedal arresting disc is just going to 120 ° of mistakes Cheng Zhong, cam disc drive rocker slide block mechanism make seat stop roller upward move past the highest order dot of seat arresting disc At cam pair, the main shaft reversion for releasing seat cord winder is self-locking, and seat component declines under the effect of gravity, meanwhile, seat volume Rope is put in left rope drum and the reversion of right rope drum in rope device, and main shaft in seat cord winder is driven to drive seat board arresting disc anti- Turn 120 °, under the restoring force of sliding block pressure spring, seat stop roller restores to seat arresting disc lowest order, and self-locking；Continue to step on Dynamic pedal parts 7 repeat the above movement, it can be achieved that pedal parts replace decline with what seat component declined.

Detailed description of the invention

Fig. 1 is general assembly axonometric drawing of the invention；

Fig. 2 is bracket component axonometric drawing of the invention；

Fig. 3 is middle pulley bracket front view of the invention；

Fig. 4 is seat cord winder cross-sectional view of the invention；

Fig. 5 is pedal arresting disc axonometric drawing of the invention；

Fig. 6 is lever mechanism axonometric drawing of the invention；

Fig. 7 is cord winder and lever mechanism partial view of the invention；

Fig. 8 is slider-rocker mechanism axonometric drawing of the invention；

Fig. 9 is reversing gear axonometric drawing of the invention；

Figure 10 is seat component axonometric drawing of the invention；

Figure 11 is pedal parts axonometric drawing of the invention；

Figure 12 is wiring figure of the invention.

Specific embodiment

The invention will now be described in further detail with reference to the accompanying drawings.

The present invention includes bracket 1, cord winder 2, lever mechanism 3, slider-rocker mechanism 4, reversing gear 5, seat Component 6 and pedal parts 7.

As shown in Fig. 2-Fig. 3: the bracket 1 includes handrail round steel 101, connects channel steel 102, and commutate positioning disk 103, main Beam channel steel 104, middle pulley bracket 105, longitudinal square steel 106, pulley blocks 107-01, pulley blocks 107-02, pulley blocks 107-03 are sliding Wheel group 107-04, pulley blocks 107-05, pulley blocks 107-06, pulley blocks 107-07, pulley blocks 107-08, pulley blocks 107-09, Pulley blocks 107-10, pulley blocks 107-11, pulley blocks 107-12, left chain wheel bracket 108, pedestal channel steel 109, pedestal angle steel 110, Support plate 111 and right pulley bracket 112；The longitudinal square steel 106 in described 2 is respectively welded at girder channel steel 104 and pedestal channel steel 109 Both ends connect commutation positioning disk 103 and are welded on 106 upper end of longitudinal square steel, and 2 handrail round steel 101 pass through 2 connection channel steels respectively 102 are welded on girder channel steel 104, and 110 one end of pedestal angle steel is welded on 109 middle part of pedestal channel steel, 110 other end of pedestal angle steel It welds 2 support plate, 111,2 support plate 111 and pulley blocks 107-11 and pulley blocks 107-12 is installed respectively, middle pulley bracket 105 uses spiral shell Bolt is connected in 104 middle part of girder channel steel, and 8 groups of pulley blocks, respectively pulley blocks 107-03, pulley are housed on middle pulley bracket 105 Group 107-04, pulley blocks 107-05, pulley blocks 107-06, pulley blocks 107-07, pulley blocks 107-08, pulley blocks 107-09, are slided Wheel group 107-10,2 right pulley of left chain wheel bracket 108 and 2 brackets 112 are packed in 2 106 tops of longitudinal square steel with screw respectively, left 4 groups of pulley blocks 107-01 and 4 groups of pulley blocks 107-02 are installed altogether on pulley bracket 108 and right pulley bracket 112.

As shown in fig. 4-5: the cord winder 2 divides for seat cord winder and pedal cord winder, including bearing Bracket 201, left rope drum 202, seat arresting disc 203, freewheel clutch 204, torsional spring stop screw 205, torsional spring 206, drawstring Reel 207, right rope drum 208, main shaft 209, wire pressing device 210, lever drawstring 211, jaw clutch 212, axle end bearing 213 with Pedal arresting disc 214；2 supports of bearing 201 are packed on 2 longitudinal square steel 106 with screw respectively, 209 both ends of main shaft point 2 axle end bearings 213 are not installed, axle end bearing 213 is mounted in the support of bearing 201, and left rope drum 202 divides with right rope drum 208 It is not mounted on main shaft 209, and carries out circumferential direction and axially position, left rope drum 202 and right volume with flat key and circlip respectively 3 wire pressing devices 210 are installed respectively, freewheel clutch 204 passes through bearing empty set on main shaft 209, jaw clutch on rope roll 208 212 driven member is mounted on main shaft 209 by spline, can be moved axially along main shaft 209, the driving link of jaw clutch 212 It is packed on 204 inner ring of freewheel clutch, drawstring reel 207 is packed on 204 outer ring of freewheel clutch, drawstring reel 207 2 groups of wire pressing devices 210, clamping lever drawstring 211 are housed, torsional spring 206 is mounted on drawstring reel 207, is limited by torsional spring on ring flange Position screw 205 is tightened on 204 outer ring of freewheel clutch, is limited to 206 one end of torsional spring.

In the seat cord winder, seat arresting disc 203 is mounted on main shaft 209 by spline, and is kept off with elasticity Seat arresting disc 203 is substituted for pedal arresting disc 214 in pedal cord winder by circle axially position.

The pedal arresting disc 214 includes arresting disc 2141, and cam disc torsional spring 2142, cam disc stop bit column 2143 is convex Wheel disc 2144, wheel shaft 2145 and torsional spring stop bit column 2146；The 3 cam disc stop bit of wheel shaft 2145 and 3 columns 2143 are tight respectively to be filled On arresting disc 2141, cam disc 2144 is hinged on wheel shaft 2145, and 3 torsional spring stop bit columns 2146 are tightly packed in 3 cam discs respectively 2144, cam disc torsional spring 2142 is mounted between arresting disc 2141 and cam disc 2144, and 2142 both ends of cam disc torsional spring pass through respectively Cam disc stop bit column 2143 and torsional spring stop bit column 2146 limit.

As Figure 6-Figure 7: the lever mechanism 3 includes lever 301, lever copper sheathing 302, lever dolly 303, lever Pin shaft 304, pulley blocks 107-13, pulley blocks 107-14 and torsional spring limited block 305；The lever dolly 303 uses balanced welding Fitting structure is packed in 104,2 torsional spring limited block 305 of girder channel steel by bolt and is respectively welded under 303 two sides of lever dolly End, torsional spring limited block 305 limit 206 other end of torsional spring, and 2 lever, 301 middle part passes through lever copper sheathing 302 and lever pin shaft respectively 304 are hinged on 303 two sides of lever dolly, and 2 lever, 301 one end is respectively articulated with pulley blocks 107-13 and pulley blocks 107-14,2 levers 301 other ends are fixedly mounted with the end of lever drawstring 211 with rope fixture respectively.

As shown in Figure 8: the slider-rocker mechanism 4 includes connection frame 401, cover board 402, fastening screw 403, sliding block pressure Spring 404, spring abutment 405, spline sleeve 406, seat splined shaft 407, sliding sleeve pin shaft 408, seat stop roller 409, connecting rod 410, L Type rocking bar 411 and Cam Follower 412；The connection frame 401 is packed in girder channel steel 104, seat splined shaft by bolt 407 are mounted in 401 splined hole of connection frame, and by cover board 402 and 403 axially position of fastening screw, spline sleeve 406 is set with Prismatic pair is formed on seat splined shaft 407, spring abutment 405 and sliding block pressure spring 404 are mounted on connection frame 401 and spline sleeve 406 Between, one end of connecting rod 410 is hinged on spline sleeve 406 by sliding sleeve pin shaft 408, and the hinged seat in 408 end of sliding sleeve pin shaft stops Dynamic roller 409,410 other end of connecting rod and one end of L-type rocking bar 411 are hinged, and connection frame 401 is hinged in the middle part of L-type rocking bar 411 On, Cam Follower 412 is hinged on 411 other end of L-type rocking bar.

As shown in Figure 9: the reversing gear 5 includes operating mechanism rack 501, translates follower 502, commutation Cam mechanism 503 and translation crotch 504；The operating mechanism rack 501 uses plate weldment, is packed in master by bolt The middle part of beam channel steel 104, translation follower 502 include pedal stop roller 5021；The commutation cam mechanism 503 includes Shift plate 5031；The translation crotch 504 includes that lever limit hooks 5041 and c-type shift fork 5042；The cam mechanism 503 that commutates is cut with scissors It connects on longitudinal square steel 106 equipped with commutation positioning disk 103, operating mechanism rack 501 and translation follower 502 form inside Prismatic pair, pedal stop roller 5021 are hinged on translation follower 502, can contact to form cam pair with arresting disc 2141, It translates and forms cam pair inside crotch 504 and commutation cam mechanism 503, translation crotch 504 is done relative to operating mechanism rack 501 Translational motion, the limit of 2 levers hook the two sides that 5041 and 2 c-type shift forks 5042 are respectively symmetrically packed in translation crotch 504, and c-type is dialled 5042 fork of fork is in the groove of jaw clutch 212.

As shown in Figure 10: the seat component 6 includes seat frame 601, right seat cant board 602, back support bar 603, seat Chair plate 604, left seat cant board 605, rolling wheel support 606, roller shaft 607, idler wheel 608, lifting lug 609 limit band 610 and seat Extension support 611；The seat frame 601 uses profile weldment, and left seat cant board 605 is distinguished with right seat cant board 602 The two sides of seat frame 601 are packed in bolt, rolling wheel support 606 uses profile weldment, and 2 rolling wheel supports 606 use bolt respectively Left seat cant board 605 is packed in on right seat cant board 602,2 rolling wheel support, 606 side is fixedly mounted with 2 lifting lugs 609 respectively, makees For the rope rolling beginning installation point of seat component 6,4 roller shafts 607 are packed in respectively on rolling wheel support 606, and 4 idler wheels 608 are cut with scissors respectively It connects on 4 roller shafts 607,4 idler wheels 608 are installed in the two sides of longitudinal square steel 106 two-by-two, make seat component 6 can square steel along longitudinal direction 106 move up and down, and seat plate 604 is hinged between left seat cant board 605 and right seat cant board 602, and seat Extension support 611 is solid On seat plate 604, it is respectively provided with 1 lifting lug 609 on seat Extension support 611 and seat frame 601, is recycled as seat lever The one end at the beginning and end installation point of rope, limit band 610 is mounted on seat frame 601.

As shown in figure 11: the pedal parts 7 include right-hand tread plate cant board 701, and running-board bracket 702, pedal 703, a left side is stepped on Plate cant board 704, pedal Extension support 705, rolling wheel support 606, roller shaft 607, idler wheel 608 and lifting lug 609；The running-board bracket 702 use profile weldment, and left-hand tread plate cant board 704 and right-hand tread plate cant board 701 are packed in running-board bracket 702 with bolt respectively Two sides, 2 rolling wheel supports 606 are packed in respectively on left-hand tread plate cant board 704 and right-hand tread plate cant board 701,2 rolling wheel support, 606 side Side is fixedly mounted with 2 lifting lugs 609 respectively, and as the rope rolling beginning installation point of pedal parts 7,4 roller shafts 607 are packed in rolling wheel support respectively On 606,4 idler wheels 608 are respectively hinged on 4 roller shafts 607, and 4 idler wheels 608 are installed in the two sides of longitudinal square steel 106 two-by-two, make to step on Plate component 7 square steel 106 can move up and down along longitudinal direction, and pedal 703 is hinged on left-hand tread plate cant board 704 and right-hand tread plate cant board 701 Between, pedal Extension support 705 is packed on pedal 703, it is respectively provided with 1 lifting lug 609 on pedal Extension support 705 and running-board bracket 702, As the beginning and end installation point of foot pedal lever endless rope, the other end for limiting band 610 is mounted on running-board bracket 702, is limited The relative displacement of seat component 6 and pedal parts 7.

As shown in figure 12: wiring of the invention has 4 groups, respectively seat rope rolling, pedal rope rolling, seat lever endless rope, Foot pedal lever endless rope；The beginning of the seat rope rolling is mounted on right seat cant board 602 and left 605 outside of seat cant board On lifting lug 609 on rolling wheel support 606, respectively around the pulley blocks 107- on left chain wheel bracket 108 and right pulley bracket 112 01, and it is each passed through the hole of one group of right rope drum 208 and left rope drum 202, the end of seat rope rolling is fixed on wire pressing device On 210, seat rope rolling is respectively wound around right rope drum 208 and left rope drum along helix for the rotation of main shaft 209 On 202, by the movement of folding and unfolding seat rope rolling, achieve the purpose that lifting seat component 6.

The beginning of the pedal rope rolling is mounted on right-hand tread plate cant board 701 and the outer side wheel branch of left-hand tread plate cant board 704 On lifting lug 609 on frame 606, respectively around the pulley blocks 107-02 on left chain wheel bracket 108 and right pulley bracket 112, and point Not Chuan Guo another group of right rope drum 208 and left rope drum 202 hole, the end of pedal rope rolling is fixed in wire pressing device 210, Pedal rope rolling is respectively wound around another group of right rope drum 208 and left rope drum along helix for the rotation of main shaft 209 On 202, by the movement of folding and unfolding pedal rope rolling, achieve the purpose that lifting pedal component 7.

The beginning of the seat lever endless rope is mounted on the lifting lug 609 on seat Extension support 611, bypasses respectively Pulley blocks 107-09 and pulley blocks 107-07, the pulley blocks 107-13 on lever 301 on pulley bracket 105, then distinguish Around the pulley blocks 107-08 and pulley blocks 107-10 on middle pulley bracket 105, entire mechanism is passed through straight down, passes through bottom Pulley blocks 107-11 turn to, the end of rope is mounted on the lifting lug 609 on seat frame 601, seat lever recycle rope it is long Degree is slightly shorter than entire circuit, and seat plate 604 is made to lift fixed angle relative to seat frame 601.

The beginning of the foot pedal lever endless rope is mounted on the lifting lug 609 on pedal Extension support 705, bypasses respectively Pulley blocks 107-05 and pulley blocks 107-03, the pulley blocks 107-14 on lever 301 on pulley bracket 105, then distinguish Around the pulley blocks 107-04 and pulley blocks 107-06 on middle pulley bracket 105, entire mechanism is passed through straight down, passes through bottom Pulley blocks 107-12 turn to, the end of rope is tied up on the lifting lug 609 at the middle part of running-board bracket 702, foot pedal lever recycles rope Length is slightly shorter than entire circuit, and make pedal 703 lifts fixed angle relative to running-board bracket 702.

Reversing gear three kinds of gear states of work point of the invention: stopping transport, rise and fall gear；Stoppage in transit gear: Shift plate 5031 is horizontal position, and lever limit hooks the 5041 middle positions for being located at lever 301 and limits seat so that lever mechanism 3 fails The rising of chair component 6 and pedal parts 7；It drives the grinding tooth of jaw clutch 212 to be in half by c-type shift fork 5042 and is detached from shape State plays the function of safeguard protection, meanwhile, 409 seat of seat stop roller limits the reversion of seat arresting disc 203, makes seat Chair component 6 cannot decline, and pedal stop roller 5021 with and step on arresting disc 214 and contact to form cam pair, limit and step on stop The reversion of disk 214 prevents pedal parts 7 from declining；Rise gear: ascent guidance rope being pulled to make to shift gears plate 5031 in upper left angle lapping At oblique 30 °, mechanism, which is in, rises gear, so that lever limit is hooked 5041 positive movements and completely disengages lever 301, meanwhile, c-type shift fork 5042 is positive mobile, keeps jaw clutch 212 and freewheel clutch 204 at a fully engaged, and pedal stop roller 5021 reversely moves It is dynamic, it keeps and steps on arresting disc 214 and contact to form cam pair, prevent pedal parts 7 from declining, meanwhile, 409, seat stop roller Chair limits the reversion of seat arresting disc 203, prevents seat component 6 from declining；Decline gear: decline control wire is pulled to make to shift gears When plate 5031 is in 30 ° of upper right overturning angle, mechanism is in decline gear, so that lever limit is hooked 5041 reverse movements and locks lever 301 Extremely, lever mechanism 3 fails, and limits the rising of seat component 6 and pedal parts 7, meanwhile, c-type shift fork 5042 moves backward, and makes Jaw clutch 212 and freewheel clutch 204, which are in, is disengaged from state, and the rotation of main shaft 209 will not influence freewheel clutch 204, and pedal stop roller 5021 is positive mobile, completely disengages and steps on arresting disc 214, releases the decline locking of pedal parts 7.

Rising working principle of the invention is: seat component 6 rise: people stand on pedal 703 so that pedal 703 from Horizontal initial position tilts down, and is pulled downward on pulley blocks 107-13 by drawstring, 301 end of seat cord winder side lever End tilts, and by 211 pull-up of lever drawstring, lever drawstring 211 drives freewheel clutch 204 to rotate forward, and the torsion of torsional spring 206 stores power, surpasses More clutch 204 drive grinding tooth jaw clutch 212, jaw clutch 212 drive seat cord winder in main shaft 209 just Turn, makes left rope drum 202 and right rope drum 208 rotating forward wiring in seat cord winder, pull seat component 6 to rise, simultaneously only Moving plate 203 rotates forward, and seat stop roller 409 climbs along 203 outer profile of seat arresting disc, sliding block pressure spring 404 squeezed, main shaft After 209 120 ° of rotations under the restoring force of sliding block pressure spring 404, highest order of the seat stop roller 409 from seat arresting disc 203 Restore to lowest order, limit its reversion, seat component 6 rises certain altitude and completes a trip；Pedal parts 7 rise: people sits It returns on seat plate 607, seat plate 607 is made to reach horizontal position from inclination initial position, it is by drawstring that pulley blocks 107-14 is downward It pulls, similarly, the main shaft 209 of pedal cord winder side is driven to invert, make left rope drum 202 and right volume in pedal cord winder Rope roll 208 invert wiring, pull pedal parts 7 rise, while pedal arresting disc 214 invert, pedal stop roller 5021 along 2141 outer profile of arresting disc climbs, and sliding block pressure spring 404 is squeezed, and main shaft 209 rotates 120 ° later in the recovery of sliding block pressure spring 404 Under power, pedal stop roller 5021 is from the highest bit recovery of arresting disc 2141 to lowest order, and self-locking, the rising of pedal parts 7 one Fixed height completes a trip, and at the same time, due to almost not stressing, torsional spring 206 restores in seat cord winder, surmount from The reversion of clutch 204 enters 211 backrush of lever drawstring on drawstring reel 207, but main shaft 209 is motionless, and side lever 301 returns to initially Horizontal position drives pedal 703 to revert to horizontal initial position；6 vertical motion of seat component is repeated, similarly, pedal rope rolling dress The lever mechanism 3 for setting side restores initial position；And so on, it can be achieved that seat component 6 and pedal parts 7 replace rising.

Decline working principle of the invention is: people is sitting on seat plate 607, steps on the decline of pedal parts 7, makes pedal rope rolling Left rope drum 202 is just relaying rope with right rope drum 208 in device, and main shaft 209 drives pedal stop in driving pedal cord winder Disk 214 rotates forward, and when pedal arresting disc 214 rotates forward 110 °, cam disc 2144 contacts to form cam pair with Cam Follower 412, The continuation of pedal arresting disc 214 is just being gone to during 120 °, and 2144 drive rocker slide block mechanism 4 of cam disc makes seat stop roller The 409 highest order points for upward moving past seat arresting disc 203 form cam pair, and the main shaft 209 for releasing seat cord winder is anti- Turn self-locking, seat component 6 declines under the effect of gravity, meanwhile, in seat cord winder in left rope drum 202 and right rope drum Rope is put in 208 reversions, and drives main shaft 209 in seat cord winder that seat board arresting disc 203 is driven to invert 120 °, in sliding block pressure spring Under 404 restoring force, the recovery of seat stop roller 409 to 203 lowest order of seat arresting disc, and it is self-locking；Continue to step on tread portion Part 7 repeats the above movement, it can be achieved that pedal parts 7 replace decline with what seat component 6 declined.

Claims (10)

1. a kind of man power lifting device, it is characterised in that: the device includes bracket (1), cord winder (2), lever mechanism (3), Slider-rocker mechanism (4), reversing gear (5), seat component (6) and pedal parts (7)；The bracket (1) is packed in On ground, before the seat cord winder and pedal cord winder difference mounting bracket (1) upper end in cord winder (2) with after Face, lever mechanism (3), slider-rocker mechanism (4) and reversing gear (5) are packed in the upper end of bracket (1), seat component (6) it is installed in bracket (1) two sides with pedal parts (7), forms prismatic pair, seat component (6), pedal parts (7) pass through drawstring It is connect respectively with cord winder (2), lever mechanism (3).

2. man power lifting device according to claim 1, it is characterised in that: the bracket (1) includes handrail round steel (101), channel steel (102) are connected, commutated positioning disk (103), girder channel steel (104), middle pulley bracket (105), longitudinal square steel (106), pulley blocks (107-01), pulley blocks (107-02), pulley blocks (107-03), pulley blocks (107-04), pulley blocks (107- 05), pulley blocks (107-06), pulley blocks (107-07), pulley blocks (107-08), pulley blocks (107-09), pulley blocks (107- 10), pulley blocks (107-11), pulley blocks (107-12), left chain wheel bracket (108), pedestal channel steel (109), pedestal angle steel (110), support plate (111) and right pulley bracket (112)；The longitudinal square steel (106) in described 2 is respectively welded at girder channel steel (104) it with pedestal channel steel (109) both ends, connects commutation positioning disk (103) and is welded on longitudinal square steel (106) upper end, 2 handrails circle Steel (101) is welded on girder channel steel (104) by 2 connections channel steel (102) respectively, and pedestal angle steel (110) one end is welded on bottom In the middle part of seat slot steel (109), pedestal angle steel (110) other end welds 2 support plates (111), and 2 support plates (111) install pulley respectively Group (107-11) and pulley blocks (107-12), middle pulley bracket (105) are connected in the middle part of girder channel steel (104) with bolt, middle cunning 8 groups of pulley blocks, respectively pulley blocks (107-03), pulley blocks (107-04), pulley blocks (107- are housed on wheel support (105) 05), pulley blocks (107-06), pulley blocks (107-07), pulley blocks (107-08), pulley blocks (107-09), pulley blocks (107- 10), 2 left chain wheel brackets (108) and 2 right pulley brackets (112) are packed in 2 longitudinal square steel (106) tops, left cunning with screw respectively 4 groups of pulley blocks (107-01) and 4 groups of pulley blocks (107-02) are installed altogether on wheel support (108) and right pulley bracket (112).

3. man power lifting device according to claim 1, it is characterised in that: the cord winder (2) is divided into seat volume Rope device and pedal cord winder, including the support of bearing (201), left rope drum (202), seat arresting disc (203), overdrive clutch Device (204), torsional spring stop screw (205), torsional spring (206), drawstring reel (207), right rope drum (208), main shaft (209), pressure Line device (210), lever drawstring (211), jaw clutch (212), axle end bearing (213) and pedal arresting disc (214)；Described 2 supports of bearing (201) are packed in respectively on 2 longitudinal square steel (106), and 2 axle end bearings (213) are installed at main shaft (209) both ends respectively, Axle end bearing (213) is mounted in the support of bearing (201), and left rope drum (202) and right rope drum (208) are separately mounted to main shaft (209) on, and circumferential direction and axially position are carried out respectively, 3 crimpings are installed respectively on left rope drum (202) and right rope drum (208) Device (210), for freewheel clutch (204) empty set on main shaft (209), the driven member of jaw clutch (212) is mounted on main shaft (209) it on, can be moved axially along main shaft (209), the driving link of jaw clutch (212) is packed in freewheel clutch (204) On circle, drawstring reel (207) is packed on freewheel clutch (204) outer ring, and 2 groups are equipped on the ring flange of drawstring reel (207) Wire pressing device (210), clamping lever drawstring (211), torsional spring (206) is mounted on drawstring reel (207), by torsional spring stop screw (205) it is tightened on freewheel clutch (204) outer ring, torsional spring (206) one end is limited；In the seat cord winder, seat Chair arresting disc (203) is mounted on main shaft (209) by spline, and axially position, in pedal cord winder, by seat stop Disk (203) is substituted for pedal arresting disc (214)；The pedal arresting disc (214) includes arresting disc (2141), cam disc torsional spring (2142), cam disc stop bit column (2143), cam disc (2144), wheel shaft (2145) and torsional spring stop bit column (2146)；3 wheels Axis (2145) and 3 cam disc stop bit columns (2143) are tightly packed in respectively on arresting disc (2141), and cam disc (2144) is hinged on wheel shaft (2145) on, 3 torsional spring stop bit columns (2146) are tightly packed in 3 cam discs (2144) respectively, and cam disc torsional spring (2142) is mounted on stop Between disk (2141) and cam disc (2144), cam disc torsional spring (2142) both ends pass through cam disc stop bit column (2143) and torsional spring respectively Stop bit column (2146) limit.

4. man power lifting device according to claim 1, it is characterised in that: the lever mechanism (3) includes lever (301), lever copper sheathing (302), lever dolly (303), lever pin shaft (304), pulley blocks (107) and torsional spring limited block (305)； The lever dolly (303) uses balanced welding fitting structure, is packed in girder channel steel (104), 2 torsional spring limited blocks (305) point It is not welded on lever dolly (303) two sides lower end, torsional spring limited block (305) limits torsional spring (206) other end, 2 levers (301) Middle part passes through lever copper sheathing (302) and lever pin shaft (304) respectively and is hinged on lever dolly (303) two sides, 2 levers (301) one End is respectively articulated with pulley blocks (107-13) and pulley blocks (107-14), and 2 levers (301) other end is fixedly mounted with lever with rope fixture respectively The end of drawstring (211).

5. man power lifting device according to claim 1, it is characterised in that: the slider-rocker mechanism (4) includes connecting It connects frame (401), cover board (402), fastening screw (403), sliding block pressure spring (404), spring abutment (405), spline sleeve (406), seat Splined shaft (407), sliding sleeve pin shaft (408), seat stop roller (409), connecting rod (410), L-type rocking bar (411) and cam following Device (412)；The connection frame (401) is packed in girder channel steel (104), and seat splined shaft (407) is mounted on connection frame (401) In splined hole, and by cover board (402) and fastening screw (403) axially position, spline sleeve (406) is sleeved on seat splined shaft (407) prismatic pair is formed on, spring abutment (405) and sliding block pressure spring (404) are mounted between connection frame (401) and spline sleeve (406), One end of connecting rod (410) is hinged on spline sleeve (406) by sliding sleeve pin shaft (408), sliding sleeve pin shaft (408) end hinged seat Chair stop roller (409), connecting rod (410) other end and one end of L-type rocking bar (411) are hinged, hinged in the middle part of L-type rocking bar (411) On connection frame (401), Cam Follower (412) is hinged on L-type rocking bar (411) other end.

6. man power lifting device according to claim 1, it is characterised in that: the seat component (6) includes seat frame (601), right seat cant board (602), back support bar (603), seat plate (604), left seat cant board (605), rolling wheel support (606), roller shaft (607), idler wheel (608), lifting lug (609), limit band (610) and seat Extension support (611)；The seat Frame (601) uses profile weldment, and left seat cant board (605) and right seat cant board (602) are packed in seat frame respectively (601) two sides, rolling wheel support (606) use profile weldment, and 2 rolling wheel supports (606) are packed in left seat cant board respectively (605) and on right seat cant board (602), 2 rolling wheel supports (606) side is fixedly mounted with 2 lifting lugs (609) respectively, as seat component (6) rope rolling beginning installation point, 4 roller shafts (607) are packed in respectively on rolling wheel support (606), and 4 idler wheels (608) are respectively articulated with On 4 roller shafts (607), 4 idler wheels (608) are installed in the two sides of longitudinal square steel (106) two-by-two, make seat component (6) can be along vertical It being moved up and down to square steel (106), seat plate (604) is hinged between left seat cant board (605) and right seat cant board (602), Seat Extension support (611) is packed on seat plate (604), is respectively provided with 1 on seat Extension support (611) and seat frame (601) Lifting lug (609), one end as the beginning and end installation point of seat lever endless rope, limit band (610) are mounted on seat frame (601) on.

7. man power lifting device according to claim 1, it is characterised in that: the pedal parts (7) include right-hand tread plate Cant board (701), running-board bracket (702), pedal (703), left-hand tread plate cant board (704), pedal Extension support (705), rolling wheel support (606), roller shaft (607), idler wheel (608) and lifting lug (609)；The running-board bracket (702) uses profile weldment, left-hand tread plate Cant board (704) and right-hand tread plate cant board (701) are packed in the two sides of running-board bracket (702) respectively, and 2 rolling wheel supports (606) are respectively It is packed on left-hand tread plate cant board (704) and right-hand tread plate cant board (701), 2 rolling wheel supports (606) side is fixedly mounted with 2 lifting lugs respectively (609), as the rope rolling beginning installation point of pedal parts (7), 4 roller shafts (607) are packed in respectively on rolling wheel support (606), and 4 Idler wheel (608) is respectively hinged on 4 roller shafts (607), and 4 idler wheels (608) are installed in the two sides of longitudinal square steel (106) two-by-two, is made Pedal parts (7) square steel (106) can move up and down along longitudinal direction, and pedal (703) is hinged on left-hand tread plate cant board (704) and right-hand tread plate Between cant board (701), pedal Extension support (705) is packed on pedal (703), on pedal Extension support (705) and running-board bracket (702) It is respectively provided with 1 lifting lug (609), as the beginning and end installation point of foot pedal lever endless rope, the other end of limit band (610) It is mounted on running-board bracket (702), limits the relative displacement of seat component (6) and pedal parts (7).

8. man power lifting device described in -7 according to claim 1, it is characterised in that: wiring of the invention has 4 groups, respectively seat Chair rope rolling, pedal rope rolling, seat lever endless rope, foot pedal lever endless rope；

1) beginning of the seat rope rolling described in is mounted on right seat cant board (602) and the outer side wheel of left seat cant board (605) On lifting lug (609) on bracket (606), respectively around the pulley blocks on left chain wheel bracket (108) and right pulley bracket (112) (107-01), and it is each passed through the hole of one group of right rope drum (208) and left rope drum (202), the end of seat rope rolling is consolidated It is scheduled on wire pressing device (210), seat rope rolling will be respectively wound around right rope drum along helix with the rotation of main shaft (209) (208) and on left rope drum (202), by the movement of folding and unfolding seat rope rolling, achieve the purpose that lifting seat component (6)；

2) beginning of the pedal rope rolling described in is mounted on right-hand tread plate cant board (701) and left-hand tread plate cant board (704) outer side wheel On lifting lug (609) on bracket (606), respectively around the pulley blocks on left chain wheel bracket (108) and right pulley bracket (112) (107-02), and it is each passed through the hole of another group of right rope drum (208) and left rope drum (202), by the end of pedal rope rolling It is fixed on wire pressing device (210), pedal rope rolling will be respectively wound around another group along helix with the rotation of main shaft (209) On right rope drum (208) and left rope drum (202), by the movement of folding and unfolding pedal rope rolling, reach the mesh of lifting pedal component (7) 's；

3) beginning of the seat lever endless rope described in is mounted on the lifting lug (609) on seat Extension support (611), is bypassed respectively Pulley blocks (107-09) and pulley blocks (107-07) on middle pulley bracket (105), pass through the pulley blocks on lever (301) (107-13), then respectively around the pulley blocks (107-08) and pulley blocks (107-10) on middle pulley bracket (105), straight down Across entire mechanism, is turned to by the pulley blocks (107-11) of bottom, the end of rope is mounted on the lifting lug on seat frame (601) (609) on, seat lever circulation rope length is slightly shorter than entire circuit, lifts seat plate (604) relative to seat frame (601) Fixed angle；

4) beginning of the foot pedal lever endless rope described in is mounted on the lifting lug (609) on pedal Extension support (705), is bypassed respectively Pulley blocks (107-05) and pulley blocks (107-03) on middle pulley bracket (105), pass through the pulley blocks on lever (301) (107-14), then respectively around the pulley blocks (107-04) and pulley blocks (107-06) on middle pulley bracket (105), straight down Across entire mechanism, is turned to by the pulley blocks (107-12) of bottom, the end of rope is tied up into hanging in the middle part of running-board bracket (702) On ear (609), foot pedal lever circulation rope length is slightly shorter than entire circuit, makes lifting relative to running-board bracket (702) for pedal (703) Play fixed angle.

9. man power lifting device described in -8 according to claim 1, it is characterised in that: rising working principle of the invention is: seat Chair component (6) rises: people stands on pedal (703), so that pedal (703) is tilted down from horizontal initial position, passes through drawing Rope pulls downward on pulley blocks (107-13), and seat cord winder side lever (301) end tilts, by lever drawstring (211) Pull-up, lever drawstring (211) drive freewheel clutch (204) to rotate forward, and torsional spring (206) torsion stores power, and freewheel clutch (204) drives The jaw clutch (212) of dynamic grinding tooth, jaw clutch (212) drive main shaft (209) in seat cord winder to rotate forward, make seat Left rope drum (202) and right rope drum (208) rotate forward wiring in cord winder, pull seat component (6) to rise, while arresting disc (203) it rotating forward, seat stop roller (409) climbs along seat arresting disc (203) outer profile, sliding block pressure spring (404) squeezed, Main shaft (209) rotate 120 ° after under the restoring force of sliding block pressure spring (404), seat stop roller (409) is from seat arresting disc (203) highest bit recovery limits its reversion, seat component (6) rises certain altitude and completes a trip to lowest order；Pedal Component (7) rises: people sits back on seat plate (607), so that seat plate (607) is reached horizontal position from inclination initial position, passes through drawing Rope pulls downward on pulley blocks (107-14), similarly, drives main shaft (209) reversion of pedal cord winder side, rolls up pedal Left rope drum (202) and right rope drum (208) invert wiring in rope device, pull pedal parts (7) to rise, while pedal stop Disk (214) reversion, pedal stop roller (5021) climb along arresting disc (2141) outer profile, and sliding block pressure spring (404) are squeezed, Main shaft (209) rotate 120 ° after under the restoring force of sliding block pressure spring (404), pedal stop roller (5021) is from arresting disc (2141) highest bit recovery is and self-locking to lowest order, and pedal parts (7) rise certain altitude and complete a trip, same with this When, due to almost not stressing, torsional spring (206) restores in seat cord winder, and freewheel clutch (204) is inverted lever drawstring (211) backrush enters on drawstring reel (207), but main shaft (209) is motionless, and side lever (301) returns to original horizontal position, drives Pedal (703) reverts to horizontal initial position；Repeat seat component (6) vertical motion, similarly, the thick stick of pedal cord winder side Linkage (3) restores initial position；And so on, it can be achieved that seat component (6) and pedal parts (7) replace rising.

10. man power lifting device described in -8 according to claim 1, it is characterised in that: decline working principle of the invention is: people It is sitting on seat plate (607), steps on pedal parts (7) decline, make left rope drum (202) and right rope drum in pedal cord winder (208) rope is just being relayed, main shaft (209) drives pedal arresting disc (214) to rotate forward in driving pedal cord winder, when pedal arresting disc (214) rotate forward 110 ° when, cam disc (2144) contacts to form cam pair with Cam Follower (412), pedal arresting disc (214) after Continuous just to go to during 120 °, cam disc (2144) drive rocker slide block mechanism (4) makes seat stop roller (409) Xiang Shangyi The dynamic highest order point for crossing seat arresting disc (203) forms cam pair, releases main shaft (209) reversion of seat cord winder certainly Lock, seat component (6) declines under the effect of gravity, meanwhile, in seat cord winder in left rope drum (202) and right rope drum (208) rope is put in reversion, and drives main shaft (209) in seat cord winder that seat board arresting disc (203) is driven to invert 120 °, in sliding block Under the restoring force of pressure spring (404), seat stop roller (409) recovery to seat arresting disc (203) lowest order, and it is self-locking；Continue It steps on pedal parts (7), repeats the above movement, it can be achieved that pedal parts (7) replace decline with what seat component (6) declined.