CN208031399U

CN208031399U - Multi-functional stair climbing wheelchair

Info

Publication number: CN208031399U
Application number: CN201820059317.6U
Authority: CN
Inventors: 勇芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-15
Filing date: 2018-01-15
Publication date: 2018-11-02
Anticipated expiration: 2028-01-15

Abstract

The utility model is related to a kind of multi-functional stair climbing wheelchairs, including the wheelchair frame and backing cushion being installed on wheelchair frame, chair cushion and handrail, rear end is horizontally rotated by bearing below wheelchair frame is equipped with drive shaft, drive shaft both ends are respectively fixed with rotating bracket, several planetary gears are rotatablely equipped in rotating bracket, each planetary gear is distributed uniformly and circumferentially by the center of circle of drive shaft, and universal wheel is respectively fixed at left and right sides of wheelchair frame lower front end.When pushing wheelchair stair-climbing, the elderly or disabled person can keep being sitting on chair cushion, family members buttress wheelchair frame at rear later, driving mechanism drives drive shaft turns at this time, drive shaft turns make rotating bracket rotate, to make along the circumferential direction uniformly distributed planetary gear relative drive shaft revolve round the sun, planetary gear by high alternate rotation on earth and its own can relatively rotate holder rotation, therefore to realize the purpose of planetary gear stairs, stair activity is taken to facilitate wheelchair, saves the muscle power of family members.

Description

Multi-functional stair climbing wheelchair

Technical field

The utility model is related to a kind of wheelchairs, and in particular to a kind of stair climbing wheelchair.

Background technology

It is well known that China's aging speedup improves year by year, imply us at one's side when society enters ageing stage Have more and more the elderlys.The elderly of many legs and feet inconvenience or the disabled person of lower limb disability still live in without electricity In the building of ladder, therefore these crowds take wheelchair trip just at a great problem.Existing wheelchair is not set downstairs for upper Meter, therefore family members are difficult to push, and do not have safety measure after taking, and are susceptible to danger.

Invention content

The utility model provides a kind of multi-functional stair climbing wheelchair to overcome the shortcomings of the above technology.

Technical solution is used by the utility model overcomes its technical problem：

This multi-functional stair climbing wheelchair, including wheelchair frame and the backing cushion, chair cushion and the handrail that are installed on wheelchair frame, institute It states rear end below wheelchair frame and is horizontally rotated by bearing and drive shaft is installed, the drive shaft both ends are respectively fixed with rotation branch Frame, is rotatablely equipped with several planetary gears in the rotating bracket, each planetary gear using drive shaft as the center of circle along the circumferential direction It is uniformly distributed, is respectively fixed with universal wheel at left and right sides of the wheelchair frame lower front end, a driving mechanism is installed in wheelchair frame For driving drive shaft turns.

Above-mentioned driving mechanism includes the motor being installed in wheelchair frame and accumulator I, the chain being installed on machine shaft Wheel I, the chain wheel II being installed in drive shaft, the motor 17 are electrically connected to accumulator I, the chain wheel I and chain wheel II through switch It is connected by chain between 20.

Stair center of gravity Forward the phenomenon that leading to slide-out when climbing building in order to prevent further includes rotating to pacify by shaft I Two swing rods loaded on 1 lower section left and right ends of wheelchair frame, described two universal wheels are individually fixed in the lower section of two swing rods, oil cylinder It is hingeably secured in wheelchair frame, the piston rod top of the oil cylinder is hingeably secured on swing rod.

It is respectively fixed in order to facilitate occupant's placement both feet, the top of above-mentioned two swing rod and positioned at 1 front of wheelchair frame Foot pedal.

In order to realize hand-operated brake, further includes the handle plug I being set on wheelchair frame, inserted and fixed by quick assembling mechanism In fixation handle, the brake lever I that is installed on fixed handle and the brake rim being installed on universal wheel in handle plug I, institute It states brake lever I and brake rim I is connected to by brake cable.

In order to realize that electronic promotion wheelchair is outgoing, further includes vehicle frame, be rotatablely installed the wheel in vehicle frame rear end, be installed on vehicle It electric vehicle motor on wheel, the brake rim II being installed in wheel, the cushion being installed on vehicle frame and is installed in vehicle frame Accumulator II, the vehicle frame are fixed on by plug-in connection inserting in drive shaft, and the connected structure makes vehicle frame relative drive shaft Handle is installed relative to I other end of handle plug with horizontally and vertically degree of freedom, above the wheelchair frame to insert First II, speed governing handle is fixed on by quick assembling mechanism inserting in handle plug II, and the speed-regulating handle bar is provided with brake lever II, institute on hand It states brake lever II and brake rim II is connected to by brake cable, the electric vehicle motor is connected to accumulator II through speed-regulating handle bar flashlight.

In order to realize that the fast assembling-disassembling of fixed handle and speed governing handle, above-mentioned quick assembling mechanism include being respectively arranged at fixation The plug I and plug II of handle and speed governing handle front end, be respectively arranged in handle plug I and handle plug II and with Jack I and jack II that plug I and II size of plug match inlay the steel ball I for being installed on II front end of plug I and plug respectively With steel ball II, the steel ball I and II lower end of steel ball are respectively arranged with spring, and the fixed handle and speed governing handle pass through plug I When being inserted into handle plug I and handle plug II with plug II, the steel ball I and steel ball II are located at hand plug I and handle II outwardly convex of local opposing plug I and plug of II outside of plug and steel ball I and steel ball II.

In order to facilitate fast quick-detach, installation between vehicle frame and wheelchair frame, above-mentioned connected structure is fixed on inserting in drive shaft Seat rotates the plug being plugged on socket, the fixed seat being fixed on plug, the shaft IV being horizontally installed in fixed seat vertically And the earrings being installed in shaft IV is rotated upwardly and downwardly, the earrings is connected and fixed with vehicle frame.

Further include being rotatablely installed in the brake on vehicle frame by shaft II to further increase the safety in vehicle traveling Vehicle pedal, is rotatablely installed the oscillating deck below vehicle frame by shaft III and is fixed on the fixed plate being fixed below vehicle frame Rubber slab on oscillating deck, steel wire rope one end are fixed on its other end on brake pedal and are fixed on oscillating deck lower end, spring suit In on steel wire rope and it is placed between fixed plate and oscillating deck, when brake pedal moves downward, steel wire rope, which pulls, to be swung The fixed rubber slab in plate upper end is contacted with wheel.

The utility model has the beneficial effects that：When pushing this multi-functional stair climbing wheelchair to walk on level road, can incite somebody to action The corresponding angle of drive shaft turns makes two planetary gears of drive shaft both sides or a planetary gear be contacted with ground.It is taken turns when pushing When the buildings Yi Pa, the elderly or disabled person can keep being sitting on chair cushion, and family members buttress wheelchair frame at rear later, at this time driving machine Structure drives drive shaft turns, and drive shaft turns make rotating bracket rotate, to keep along the circumferential direction uniformly distributed planetary gear opposite Drive shaft revolves round the sun, planetary gear by high alternate rotation on earth and its own can relatively rotate holder rotation, therefore to realize The purpose of planetary gear stairs, takes stair activity to facilitate wheelchair, saves the muscle power of family members.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model

Fig. 2 is the utility model driving mechanism structure schematic diagram；

Fig. 3 is the utility model foot-operated brake mechanism structural schematic diagram；

Fig. 4 is the utility model plug-in connection main structure diagram；

Fig. 5 is the utility model plug-in connection overlooking structure diagram；

Fig. 6 is handle position attachment structure schematic diagram；

Fig. 7 is A in Fig. 6 to structural schematic diagram；

Fig. 8 is the utility model stair climbing status architecture schematic diagram；

In figure, 1. wheelchair frame, 2. drive shaft, 3. rotating bracket, 4. handle plug I 5. is fixed 6. brake lever I 7. of handle and is adjusted II 13. steel ball of fast handle 8. brake lever, II 9. handle plug, II 10. plug, I 11. steel ball, I 12. plug, II 14. backing cushion 15. 22. planetary gear of chair cushion 16. handrail, 17. motor, 18. chain, 19. chain wheel I, 20. chain wheel II, 21. bearing, 23. electric power storage 31. turns of pond I 24. shaft, I 25. swing rod, 26. universal wheel, 27. oil cylinder, 28. foot pedal, 29. fixed seat, 30. brake pedal 38. rubber slab of axis II 32. steel wire rope, 33. fixed plate, 34. spring, 35. shaft, III 36. vehicle frame, 37. oscillating deck, 39. vehicle Take turns 40. electric vehicle motor, 41. cushion, 42. accumulator, II 43. plug, 44. socket, 45. shaft, IV 46. earrings.

Specific implementation mode

1 the utility model is described further to attached drawing 8 below in conjunction with the accompanying drawings.

As shown in Fig. 1, this multi-functional stair climbing wheelchair, including wheelchair frame 1 and the backing cushion that is installed on wheelchair frame 1 14, chair cushion 15 and handrail 16,1 lower section rear end of wheelchair frame is horizontally rotated by bearing 21 is equipped with drive shaft 2,2 both ends of drive shaft It is respectively fixed with rotating bracket 3, several planetary gears 22 are rotatablely equipped in rotating bracket 3, each planetary gear 22 is with drive shaft 2 The center of circle is distributed uniformly and circumferentially, and universal wheel 26, driving mechanism peace are respectively fixed at left and right sides of 1 lower front end of wheelchair frame It is interior for driving drive shaft 2 to rotate loaded on wheelchair frame 1.It, can be with when pushing this multi-functional stair climbing wheelchair to walk on level road Drive shaft 2, which is rotated corresponding angle, makes two planetary gears 22 of 2 both sides of drive shaft or a planetary gear 22 be contacted with ground, Both sides contact the stability that can improve vehicle traveling there are two planetary gear 22 with ground respectively, but a disadvantage is that contact area is big Cause frictional force greatly to become heavy when pushing wheelchair turning.And a planetary gear 22 contacts with ground turning can be made light Soon, and reduce turning radius.When pushing wheelchair stair-climbing, the elderly or disabled person can keep being sitting on chair cushion 15, Zhi Houjia Belonging to and buttresses wheelchair frame 1 at rear, driving mechanism drives drive shaft 2 to rotate at this time, and drive shaft 2, which rotates, makes rotating bracket 3 rotate, To make along the circumferential direction uniformly distributed 22 relative drive shaft 2 of planetary gear revolve round the sun, planetary gear 22 by high alternate rotation on earth and its 3 rotation of holder itself can be relatively rotated, therefore to realize the purpose of 22 stairs of planetary gear, to facilitate wheelchair Stair activity is taken, the muscle power of family members is saved.

As shown in Fig. 2, driving mechanism it can include the motor 17 being installed in wheelchair frame 1 and store for following structure Battery I 23, the chain wheel I 19 being installed in 17 shaft of motor, the chain wheel II 20 being installed in drive shaft 2, motor 17 is through switch It is electrically connected to accumulator I 23, is connected by chain 18 between chain wheel I 19 and chain wheel II 20.After opening switch, accumulator I 23 provide electric energy, and motor 17 rotates, to be rotated using 18 drive sprocket II 20 of chain by chain wheel I 19,20 turns of chain wheel II It moves that drive shaft 2 is driven to rotate, the rotation of drive shaft 2 drives the rotating bracket 3 at both ends to rotate, to realize rotating bracket 3 On each planetary gear 22 around drive shaft 2 revolve round the sun, to realize climb building or downstairs purpose.

As shown in Fig. 8 since there are differences in height between stair each two step, in wheelchair stair-climbing, behind The level height of planetary gear 22 is higher than the height of two universal wheels in front end, therefore wheelchair is inclined at this time, to be easy hair The raw danger tumbled.Therefore as shown in Fig. 1, can also include being rotatablely installed in 1 lower section left and right of wheelchair frame by shaft I 24 Two swing rods 25 at both ends, two universal wheels 26 are individually fixed in the lower section of two swing rods 25, and oil cylinder 27 is hingeably secured to wheelchair In frame 1, the piston rod top of oil cylinder 27 is hingeably secured on swing rod 25.Usually when wheelchair is walked on level road, oil cylinder 27 Piston rod is fully retracted, and two 26 bottoms of universal wheel of 25 lower end of swing rod are located at same level with the bottom of planetary gear 22 at this time On.When wheelchair needs to climb building, 27 piston rod of oil cylinder is protruding at this time, pushes swing rod 25 to rotate down, works as planet at this time Wheel 22 is when climbing up a step, and the step still low with position of the universal wheel 26 in front of wheelchair contacts, and it is level to keep wheelchair frame 1 State, therefore play the role of overturn-preventing, improve the safety of this multi-functional stair climbing wheelchair.

As shown in Fig. 1, the top of two swing rods 25 and it is respectively fixed with foot pedal 28 positioned at the front of wheelchair frame 1, works as wheel On level road when driving, oil cylinder 27 drives swing rod 25 to move up to chair, and both feet can be placed on foot pedal 28 by people at this time, Improve comforts of use.

As shown in Fig. 6, further include the handle plug I 4 being set on wheelchair frame 1, be fixed on by quick assembling mechanism inserting Fixation handle 5, the brake lever I 6 being installed on fixed handle 5 in handle plug I 4 and the brake being installed on universal wheel 26 Drum, brake lever I 6 are connected to brake rim I by brake cable.Fixing handle 6 by insertion can utilize fixed handle 5 that promotion be facilitated to take turns Chair is walked, and can complete the brake to universal wheel 26 by brake lever I 6, thus can be with first when there is emergency when Between wheelchair is stopped, improve the safety used.

Since traditional wheelchair needs to be carried out by family members, it is an insoluble problem to go away, therefore such as attached drawing 1 Shown the utility model further include vehicle frame 36, rotational installation in 36 rear end of vehicle frame wheel 39, be installed on it is electronic on wheel 39 It vehicle motor 40, the brake rim II being installed in wheel 39, the cushion 41 being installed on vehicle frame 36 and is installed in vehicle frame 36 Accumulator II 42, vehicle frame 36 are fixed on by plug-in connection inserting in drive shaft 2, and connected structure makes 36 relative drive shaft 2 of vehicle frame With horizontally and vertically degree of freedom, 1 top of wheelchair frame is equipped with handle plug relative to I 4 other end of handle plug II 9, speed governing handle 7 is fixed on by quick assembling mechanism inserting in handle plug II 9, and brake lever II 8 is provided on speed governing handle 7, Brake lever II 8 is connected to brake rim II by brake cable, and electric vehicle motor 40 is electrically connected to accumulator II 42 through speed governing handle 7.When Family members need with wheelchair occupant travel outdoors shopping when, vehicle frame 36 can be inserted into drive shaft by connected structure On 2, and speed governing handle 7 is fixed on by quick assembling mechanism inserting in handle plug II 9, family members sit on cushion 41 later, rotation Dynamic speed governing handle 7, which can make accumulator II 42 provide electric power for electric vehicle motor 40, makes its band motor car wheel 39 rotate, to realize The purpose for pushing wheelchair forward.Wheelchair frame 1 can be made to turn to by speed governing handle 7 and fixed handle 5, and pass through brake lever I 6 and brake lever II 8 universal wheel 26 and wheel 39 can be braked, improve safety.It gives pleasure to when reaching the leisure such as market, park When happy place, vehicle frame 36 is removed by connected structure from drive shaft 2, and speed governing handle 7 and fixed handle 5 are pulled up, After vehicle frame 36 is locked, family members can push this multi-functional stair climbing wheelchair to lead the elderly or disabled person's carry out activity, and ten It is convenient to divide.

As shown in attached drawing 6 and attached drawing 7, quick assembling mechanism can be following structure it include be respectively arranged at fixed handle 5 with And 7 front end of speed governing handle plug I 10 and plug II 12, be respectively arranged in handle plug I 4 and handle plug II 9 And match with plug I 10 and II 12 size of plug jack I and jack II, inlay respectively be installed on plug I 10 and insert The steel ball I 11 and steel ball II 13 of first II 12 front end, steel ball I 11 and II 13 lower end of steel ball are respectively arranged with spring.Work as needs When being inserted into fixed handle 5 or speed governing handle 7, fixed handle 5 and speed governing handle 7 are inserted by plug I 10 and plug II 12 When entering in handle plug I 4 and handle plug II 9, steel ball I 11 and steel ball II 13 are located at hand plug I 4 and handle at this time II 12 outwardly convex of local opposing plug I 10 and plug of II 9 outside of hand plug and steel ball I 11 and steel ball II 13.When need It when extracting fixed handle 5 or speed governing handle 7, firmly pulls out outward, steel ball I 11 and steel ball II 13 can be by handle plugs at this time I 4 and II 9 outer edge of handle plug squeeze, to when steel ball I 11 and steel ball II 13 move downward and compressed spring, directly To when steel ball I 11 and steel ball II 13 submerge completely inside plug I 10 and plug II 12, can facilitate at this time will fixed handle 5 and speed governing handle 7 dismantle, dismounting installation it is simple and fast.

As shown in figures 4 and 5, connected structure is fixed in drive shaft 2 socket 44, vertical rotation are plugged in socket Plug 43 on 44, the fixed seat 29 being fixed on plug 43, the shaft IV 45 being horizontally installed in fixed seat 29 and up and down It is rotatablely installed in the earrings 46 in shaft IV 45, earrings 46 is connected and fixed with vehicle frame 36.When needs drive this reality using driving vehicle When outgoing with novel multi-functional stair climbing wheelchair, by inserting in plug 43 in socket 44, due to 43 counterpart receptacle 44 of plug Can with left-right rotation and, rotating the earrings 46 that is fixed in fixed seat 29 by shaft IV 45 can rotate upwardly and downwardly, to realize Vehicle frame 36 can be freely rotated with vertical direction relative to wheelchair frame 1 in the horizontal direction, therefore closely so that driving vehicle Installing and dismounting is simple and convenient, and driving vehicle driving wheelchair frame 1 may be implemented when moving ahead, and wheelchair frame 1 can be 36 turns with relative frame Curved, when encountering hollow section, 1 relative frame 36 of wheelchair frame can not avoid rigid connection from causing to rotate in a level height It is dumb, and the case where cause wheelchair to be sticked up there are the section of difference of height.

Can also include being rotatablely installed to step in the brake on vehicle frame 36 by shaft II 31 as shown in attached drawing 1 and attached drawing 3 Plate 30, the fixed plate 33 for being fixed on the lower section of vehicle frame 36, by the rotational installation of shaft III 35 in 36 lower section of vehicle frame oscillating deck 37 with And it is fixed on the rubber slab 38 on oscillating deck 37,32 one end of steel wire rope is fixed on its other end on brake pedal 30 and is fixed on swing 37 lower end of plate, spring 34 is set on steel wire rope 32 and it is placed between fixed plate 33 and oscillating deck 37, when needing to brake When, driver can step on downwards brake pedal 30, and steel wire rope 32 can be driven to pull pendulum when brake pedal 30 moves downward Movable plate 37 is rotated around shaft III 35, and the rubber slab installed on oscillating deck 37 38 is finally made to be contacted with wheel 39, realizes foot-operated stop Vehicle is fixed, and spring 34 is compressed at this time, and when foot is moved away from brake pedal 30, the elastic force of spring 34 drives oscillating deck 37 to returning It swings, and pulls brake pedal 30 to reset by steel wire rope 32.Brake weight can be controlled according to the touch on the brake dynamics of pedal 30 of foot The size of degree completes wheel 39 by brake cable driving brake drum II relative to brake lever II 8 and brakes, and the footbrake of this structure is made For two-stage brake, the phenomenon that improving reliability and the safety of brake, prevent II failure of brake rim from leading to brake failure Occur.

Claims

1. a kind of multi-functional stair climbing wheelchair, including wheelchair frame（1）And it is installed on wheelchair frame（1）On backing cushion（14）, chair Pad（15）And handrail（16）, it is characterised in that：The wheelchair frame（1）Lower section rear end passes through bearing（21）Horizontally rotate and drive is installed Moving axis（2）, the drive shaft（2）Both ends are respectively fixed with rotating bracket（3）, the rotating bracket（3）It is rotatablely equipped on if Dry planetary gear（22）, each planetary gear（22）With drive shaft（2）It is distributed uniformly and circumferentially for the center of circle, the wheelchair frame （1）It is respectively fixed with universal wheel at left and right sides of lower front end（26）, a driving mechanism is installed on wheelchair frame（1）It is interior to be driven for driving Moving axis（2）Rotation.

2. multi-functional stair climbing wheelchair according to claim 1, it is characterised in that：The driving mechanism includes being installed on wheel Chair frame（1）Interior motor（17）And accumulator I（23）, be installed on motor（17）Chain wheel I in shaft（19）, be installed on driving Axis（2）On chain wheel II（20）, the motor（17）It is electrically connected to accumulator I through switch（23）, the chain wheel I（19）With sprocket wheel Ⅱ（20）Between pass through chain（18）Connection.

3. multi-functional stair climbing wheelchair according to claim 1, it is characterised in that：Further include by shaft I（24）Rotation It is installed on wheelchair frame（1）Two swing rods of lower section left and right ends（25）, described two universal wheels（26）It is individually fixed in two pendulum Bar（25）Lower section, oil cylinder（27）It is hingeably secured to wheelchair frame（1）In, the oil cylinder（27）Piston rod top be hingeably secured to Swing rod（25）On.

4. multi-functional stair climbing wheelchair according to claim 3, it is characterised in that：Described two swing rods（25）Top and Positioned at wheelchair frame（1）Front is respectively fixed with foot pedal（28）.

5. multi-functional stair climbing wheelchair according to claim 1, it is characterised in that：Further include being set to wheelchair frame（1）On Handle plug I（4）, by quick assembling mechanism inserting be fixed on handle plug I（4）Interior fixation handle（5）, be installed on fixed Hand（5）On brake lever I（6）And it is installed on universal wheel（26）On brake rim, the brake lever I（6）It is connected to brake by brake cable Vehicle drum I.

6. multi-functional stair climbing wheelchair according to claim 1, it is characterised in that：It further include vehicle frame（36）, rotational installation In vehicle frame（36）The wheel of rear end（39）, be installed on wheel（39）On electric vehicle motor（40）, be installed on wheel（39）In Brake rim II is installed on vehicle frame（36）On cushion（41）And it is installed on vehicle frame（36）Interior accumulator II（42）, the vehicle Frame（36）It is fixed on drive shaft by plug-in connection inserting（2）On, the plug-in connection makes vehicle frame（36）Relative drive shaft（2）Tool There are horizontally and vertically degree of freedom, the wheelchair frame（1）Top is relative to handle plug I（4）The other end is equipped with handle Hand plug II（9）, speed governing handle（7）It is fixed on handle plug II by quick assembling mechanism inserting（9）In, the speed governing handle（7） On be provided with brake lever II（8）, the brake lever II（8）It is connected to brake rim II, the electric vehicle motor by brake cable（40）Through adjusting Fast handle（7）It is electrically connected to accumulator II（42）.

7. multi-functional stair climbing wheelchair according to claim 5 or 6, it is characterised in that：The quick assembling mechanism includes difference It is set to fixed handle（5）And speed governing handle（7）The plug I of front end（10）With plug II（12）, be respectively arranged at handle insert First I（4）And handle plug II（9）It is interior and with plug I（10）With plug II（12）The jack I and jack that size matches II, it inlays respectively and is installed on plug I（10）With plug II（12）The steel ball I of front end（11）With steel ball II（13）, the steel ball I （11）With steel ball II（13）Lower end is respectively arranged with spring, the fixed handle（5）With speed governing handle（7）Pass through plug I（10） With plug II（12）It is inserted into handle plug I（4）With handle plug II（9）When middle, the steel ball I（11）With steel ball II（13）Respectively Positioned at hand plug I（4）With handle plug II（9）Outside and steel ball I（11）With steel ball II（13）Local opposing plug I（10）With Plug II（12）Outwardly convex.

8. multi-functional stair climbing wheelchair according to claim 6, it is characterised in that：The plug-in connection is fixed on drive shaft （2）On socket（44）, vertical rotation be plugged in socket（44）On plug（43）, be fixed on plug（43）On fixed seat （29）, be horizontally installed to fixed seat（29）Interior shaft IV（45）And it rotates upwardly and downwardly and is installed on shaft IV（45）On earrings （46）, the earrings（46）With vehicle frame（36）It is connected and fixed.

9. multi-functional stair climbing wheelchair according to claim 6, it is characterised in that：Further include by shaft II（31）Rotation It is installed on vehicle frame（36）On brake pedal（30）, be fixed on vehicle frame（36）The fixed plate of lower section（33）, pass through shaft III（35） It is rotatablely installed in vehicle frame（36）The oscillating deck of lower section（37）And it is fixed on oscillating deck（37）On rubber slab（38）, steel wire rope （32）Brake pedal is fixed in one end（30）Its upper other end is fixed on oscillating deck（37）Lower end, spring（34）It is set in steel wire rope （32）Above and it is placed in fixed plate（33）And oscillating deck（37）Between, work as brake pedal（30）When moving downward, steel wire rope （32）Pull oscillating deck（37）The fixed rubber slab in upper end（38）With wheel（39）Contact.