CN208809392U - A kind of upper limb exercising apparatus - Google Patents

Abstract

A kind of upper limb exercising apparatus, delay prop and rod assembly including left-hand tread plate, right-hand tread plate, adjustable stress type angle, left-hand tread plate and right-hand tread plate are horizontally disposed, left-hand tread plate left back and front pass through a connecting rod and are connected to one, the slow prop front side bottom of adjustable stress type angle is hinged by the connecting rod of axle bed and front side, and adjustable stress type angle delays prop front side top and passes through drawing hinge and the rotation connection of rod assembly lower end；The utility model is designed reasonably, it is compact-sized, it is light-weight, it is small in size, it is unclamped suddenly after rotating arm rotates to certain angle, rotating arm also can slowly reset, and security reliability is strong, and dynamics adjustable extent is big, have good operability.

Description

A kind of upper limb exercising apparatus

Technical field

The utility model belongs to indoor body-building instrument technical field, and in particular to a kind of upper limb exercising apparatus.

Background technique

With the improvement of people ' s living standards and the popularization of nationwide fitness programs, more and more people pass through professional body-building Club takes exercises.Upper limb traction fitness apparatus is quite welcome in fitness equipment.This kind of equipment is focused on tempering wrist portion Muscle and the muscles of the arm, can be good at enhance upper limb flexibility.It will be installed on indoor upper limb exercising apparatus Oil cylinder, cylinder or clump weight, to regulate and control drag size, but have the following deficiencies: volume big, heavier-weight, adjustable extent it is limited, Safety is poor (can reset suddenly when moving to intermediate release suddenly and be easy to injure person taking exercise), and user is not easy the body because of people Can it is different and with individual condition and appropriate adjustment damps.

Utility model content

The utility model in order to solve shortcoming in the prior art, provide it is a kind of using mechanical structure damping, it is adjustable The upper limb exercising apparatus that range is big, security reliability is strong.

In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of upper limb exercising apparatus, including a left side are stepped on Plate, right-hand tread plate, adjustable stress type angle delay prop and rod assembly, and left-hand tread plate and right-hand tread plate are horizontally disposed, on the left of left-hand tread plate Rear portion and front pass through a connecting rod and are connected to one, and adjustable stress type angle delays prop front side bottom and passes through axle bed Hinged with the connecting rod of front side, adjustable stress type angle is delayed top on front side of prop and is rotated by drawing hinge and rod assembly lower end Connection；

It includes shell and rotating arm that adjustable stress type angle, which delays prop, and rotating arm is located on the shell Fang Bingyu shell fastening, Rotating arm rear end is rotatably connected on the rear end of shell by hinge component, is disposed with mechanical damping from back to front in shell The driving end of component, linear actuator and control room, linear actuator passes through mechanical damping component and hinge component press fit, Setting is disposed with control circuit module, battery and control key module, shell front end portion from back to front and is provided in control room Control panel corresponding with control key module is provided with strain-ga(u)ge transducer, control key on rotating arm at adjacent hinge component Module, strain-ga(u)ge transducer and linear actuator pass through data line respectively and connect with control circuit module, battery by electric wire with Control circuit module connection.

Hinge component includes that rotary shaft, positioning shaft sleeve, sliding bearing, connecting plate and positioning ring flat-plate, rotary shaft are equipped with one, Positioning shaft sleeve, sliding bearing, connecting plate and positioning ring flat-plate are respectively arranged with two, and rotating arm includes left plate, right side plate and top Plate, top plate left and right sides are fixedly connected with the upper side edge of left plate and right side plate respectively, and left plate and right side plate are located at The right side of shell left side wall and the left side of right side wall；

Two positioning shaft sleeves are respectively fixedly disposed at the right side of left plate and the left side of right side plate, two sliding bearings It is separately positioned on the left side wall and rear wall of shell, two sliding bearings and two positioning shaft sleeves have same center line, rotation Shaft is threaded through in two sliding bearings and two positioning shaft sleeves, and two positioning ring sleeve-boards are in the left end of rotary shaft and right end and lead to Flat key and rotation axis connection are crossed, positioning ring flat-plate, left plate and the positioning shaft sleeve in left side in left side along the circumferential direction offer several A left connecting hole, positioning ring flat-plate, right side plate and the positioning shaft sleeve on right side on right side along the circumferential direction offer several right connections Be inserted with positioning pin in hole, left connecting hole and right connecting hole, the left end of several positioning pins in left side with one piece of connecting plate Right side be fixedly connected, the right end of several positioning pins on right side is fixedly connected with the left side of one piece of connecting plate, every piece The locking lid for covering connecting plate and positioning ring flat-plate is provided on the outside of connecting plate.

Connecting plate and positioning ring flat-plate are disc-shaped structure, and the center of connecting plate offers through-hole, the both ends of rotary shaft Threaded hole is offered, the inner face of locking lid is fixedly installed stud, and stud passes through the through-hole and rotating shaft terminal on connecting plate The threaded hole in portion is threadedly coupled, and locking lid compresses connecting plate and positioning ring flat-plate.

Mechanical damping component includes eccentric wheel, wedge block and support skid, the bottom of support skid fixed setting inside the shell Portion offers eccentric orfice on eccentric wheel, and milling has planar slot in the middle part of rotary shaft, and eccentric wheel is radially provided with screw hole, spiral shell Hole inner end is connected to eccentric orfice, and rotary shaft passes through eccentric orfice, and screw hole internal screw thread is connected with hold-down bolt, hold-down bolt inner end and flat The slot bottom of face slot presses cooperation, the center line of eccentric orfice and the centerline parallel of eccentric wheel, and the center line of hold-down bolt is and partially The center line in heart hole and the central axis of eccentric wheel intersect, and the plane of wedge block is slidably arranged in support skid in left-right direction On, the inclined-plane of wedge block is contacted with the press of the external peripheral surface of eccentric wheel, the front end of wedge block and the driving of linear actuator End connection；Under rotating arm unstressed state, the central axis of hold-down bolt is in the inclined-plane of wedge block.

Strain-ga(u)ge transducer is pasted on the inner wall of top plate, and the left plate and right side plate of rotating arm are in strain-ga(u)ge transducer Left and right side opens up the notch for being improved stress induction.

Rod assembly includes lower square tube, upper square tube and handle, and lower square tube top is plugged in square tube from bottom to top, lower section Pipe lower end is connect by the drawing hinge with top on front side of rotating arm, and handle is horizontally disposed in left-right direction, the middle of the handle It is fixedly connected with upper square tube upper end, upper square tube lower part offers the first jack in left-right direction, and lower square tube opens up in left-right direction There are several the second jacks, several second jacks are evenly arranged along the length direction of lower square tube, and lower square tube is managed above on interior Lower movement can make each second jack can be corresponding up and down with the first jack, lead between the first jack and one of them second jack Cross bolt grafting.

By adopting the above technical scheme, the working principle of the utility model are as follows: person taking exercise's left foot station is on left-hand tread plate, right crus of diaphragm station On right-hand tread plate, both hands hold the left and right ends of handle, firmly pull up handle, by rod assembly by adjustable stress type angle It spends slow prop to pull up, due to connecting with the lower square tube of rod assembly by pulling hinge at the top of the front side of rotating arm, before shell Side bottom is rotatablely connected by axle bed and connecting rod, and outer casing back is connect with rotating arm rear end thereof；It is upward in rotating arm front end Apply the power of driving rotating arm rotation, which makes strain-ga(u)ge transducer deformation, and control circuit module receives foil gauge biography The signal of sensor deformation, when strain-ga(u)ge transducer output signal strength is greater than given threshold, (i.e. strain-ga(u)ge transducer deformation is greater than Threshold value) when, control circuit module controls linear actuator movement, and linear actuator is using electric pushrod as general approach.Electricity The wedge block of the head connection of dynamic push rod moves forward, and electric pushrod is shunk.Due to the rotary shaft and bias being connect with rotating arm Wheel squeezes wedge block under the action of rotating arm force always, and when wedge block is mobile, eccentric wheel can rotate, to change rotation The opening angle of arm；When (i.e. strain-ga(u)ge transducer deformation is little no more than given threshold for strain-ga(u)ge transducer output signal strength In threshold value) when, control circuit module controls linear actuator movement, and the wedge block of the head connection of electric pushrod can push away on edge backward The direction movement that bar stretches out.Until wedge block squeezes eccentric wheel, electric pushrod stops.Rotating arm opening angle can be wedge-shaped at this time Block locking cannot open.Using wedge block and eccentric wheel cooperation mechanism will drive rotating arm on power be principally applied to slide plate and On shell, the power of only front-rear direction very little will push wedge block movement, therefore the power of very little is only needed to prevent from wedge Shape block is mobile, locks rotating arm position so as to one direction.Linear actuator movement velocity is can be by control circuit module Flexible modulation, so that changing rotating arm opens angular speed；Linear actuator is battery powered, and the volume of design can be with very little. As upper limb firmly pulls up handle, the angle between rotating arm and shell is increasing, when pulling force reaches maximum, rotation Angle between pivoted arm and shell reaches 180 °.

Electric pushrod can be substituted by other drive schemes, such as gear-rack drive mechanism or pneumatic linear actuator, hydraulic cylinder Isoline driver.

Rotary shaft, eccentric wheel, positioning ring flat-plate, connecting plate and positioning pin are set seperated structure by the utility model, this Sample is not only convenient for making, and is easily installed and dismantles, and positioning pin plays transmitting positioning ring flat-plate and positioning shaft sleeve turns part torque Effect, positioning shaft sleeve play the role of enhancing the top plate and back side panel intensity of rotating arm.Connecting plate is played positioning pin while being torn open The effect unloaded and be inserted into improves disassembly efficiency.Locking lid plays the role of limiting connecting plate and positioning pin, it is ensured that torque drive Reliability.

The top plate and back side panel of rotating arm are opened up in the front side of strain-ga(u)ge transducer and rear side is improved stress induction Notch, i.e. the rotating arm stress induction at the section where notch are most sensitive, thus strain-ga(u)ge transducer setting indentation, there can Sufficiently improve the effect of stress induction.

Support skid plays supports wedge block and provides the plane that wedge block moves left and right.

It, can when performing physical exercise for the person taking exercise of different heights since the length of rotating arm and shell is unable to adjust The upper end of adjusting yoke component reaches more comfortable exercise, regulative mode are as follows: takes out bolt out of the first jack and the second jack Out, it pulls up or downwards by upper square tube, after the proper height for adjusting handle, and makes the first jack and one of them second jack After correspondence, then bolt is inserted into corresponding first jack and the second jack.

In conclusion the utility model is designed reasonably, compact-sized, and it is light-weight, it is small in size, it is rotated to centainly in rotating arm It is unclamped suddenly after angle, rotating arm also can slowly reset, and security reliability is strong, and dynamics adjustable extent is big, have good Operability.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the outline structural diagram that adjustable stress type angle delays prop in the utility model；

Fig. 3 is A-A cross-sectional view in Fig. 2；

Fig. 4 is the explosive view that adjustable stress type angle delays prop in the utility model；

Fig. 5 is the schematic diagram that the rotating arm that adjustable stress type angle delays prop in the utility model is rotated by 90 ° under state；

Fig. 6 is the schematic diagram of control panel；

Fig. 7 is schematic diagram of the person taking exercise when being performed physical exercise using the utility model.

Specific embodiment

As Figure 1-Figure 5, a kind of upper limb exercising apparatus of the utility model, including left-hand tread plate 39, right-hand tread plate 40, it is adjustable by Power formula angle delays prop and rod assembly, and left-hand tread plate 39 and right-hand tread plate 40 are horizontally disposed, 39 left back of left-hand tread plate and front It is connected to one by a connecting rod 41, adjustable stress type angle delays prop front side bottom and passes through axle bed 42 and front side Connecting rod 41 it is hinged, adjustable stress type angle is delayed top on front side of prop and is connected by drawing hinge 43 and the rotation of rod assembly lower end It connects.

It includes shell 1 and rotating arm 2 that adjustable stress type angle, which delays prop, rotating arm 2 be located above shell 1 and with shell 1 It fastens, 2 rear end of rotating arm is rotatably connected on the rear end of shell 1 by hinge component, is disposed with from back to front in shell 1 The driving end of mechanical damping component, linear actuator 3 and control room 4, linear actuator 3 passes through mechanical damping component and hinge set Part press fit, the interior setting of control room 4 are disposed with control circuit module 5, battery 6 and control key module 7 from back to front, outside 1 front end of shell is provided with control panel 8 corresponding with control key module 7, is provided with and answers at adjacent hinge component on rotating arm 2 Become piece sensor 9, control key module 7, strain-ga(u)ge transducer 9 and linear actuator 3 pass through data line 10 and control circuit respectively Module 5 connects, and battery 6 is connect by electric wire with control circuit module 5.

As shown in fig. 6, strong numerical value display screen 11 is arranged on control panel 8, strength increases key 12, strength reduction is pressed Key 13, (rotating arm) speed values display screen 14, speed increase key 15, speed reduces key 16.

Hinge component includes rotary shaft 17, positioning shaft sleeve 18, sliding bearing 19, connecting plate 20 and positioning ring flat-plate 21, rotation Axis 17 be equipped with one, positioning shaft sleeve 18, sliding bearing 19, connecting plate 20 and positioning ring flat-plate 21 be respectively set there are two, rotating arm 2 Including left plate 22, right side plate 23 and top plate 24,24 left and right sides of the top plate upside with left plate 22 and right side plate 23 respectively While being fixedly connected, left plate 22 and right side plate 23 are located at the right side of 1 left side wall of shell and the left side of right side wall；

Two positioning shaft sleeves 18 are respectively fixedly disposed at the right side of left plate 22 and the left side of right side plate 23, two cunnings Dynamic bearing 19 is separately positioned on the left side wall and rear wall of shell 1, and two sliding bearings 19 and two positioning shaft sleeves 18 have Same center line, rotary shaft 17 are threaded through in two sliding bearings 19 and two positioning shaft sleeves 18, and 21 sets of two positioning ring flat-plates exist The left end of rotary shaft 17 and right end are simultaneously connect by flat key 25 with rotary shaft 17, positioning ring flat-plate 21, left plate 22 and the left side in left side The positioning shaft sleeve 18 of side along the circumferential direction offers several left connecting holes 26, positioning ring flat-plate 21, right side plate 23 and the right side on right side The positioning shaft sleeve 18 of side along the circumferential direction offers several right connecting holes 27, plugs in left connecting hole 26 and right connecting hole 27 There is positioning pin 28, the left end of several positioning pins 28 in left side is fixedly connected with the right side of one piece of connecting plate 20, right side The right end of several positioning pins 28 is fixedly connected with the left side of one piece of connecting plate 20, is provided on the outside of every piece of connecting plate 20 One locking lid 29 for covering connecting plate 20 and positioning ring flat-plate 21.

Connecting plate 20 and positioning ring flat-plate 21 are disc-shaped structure, and the center of connecting plate 20 offers through-hole, rotary shaft 17 Both ends offer threaded hole, the inner face of locking lid 29 is fixedly installed stud 30, and stud 30 passes through on connecting plate 20 Through-hole is threadedly coupled with the threaded hole at 17 both ends of rotary shaft, and locking lid 29 compresses connecting plate 20 and positioning ring flat-plate 21.

Mechanical damping component includes eccentric wheel 31, wedge block 32 and support skid 33, and support skid 33 is fixedly installed outside Bottom in shell 1 offers eccentric orfice 34 on eccentric wheel 31, and 17 middle part milling of rotary shaft has planar slot 37, and eccentric wheel 31 is along diameter Direction is provided with screw hole 35,35 inner end of screw hole is connected to eccentric orfice 34, and rotary shaft 17 passes through eccentric orfice 34,35 internal screw thread of screw hole It is connected with hold-down bolt 36, the slot bottom of 36 inner end of hold-down bolt and planar slot 37, which presses, to be cooperated, the center line of eccentric orfice 34 and partially The centerline parallel of heart wheel 31, the center line of hold-down bolt 36 hang down with the center line of the center line of eccentric orfice 34 and eccentric wheel 31 Straight to intersect, the plane of wedge block 32 is slidably arranged in left-right direction in support skid 33, the inclined-plane and eccentric wheel of wedge block 32 31 external peripheral surface presses contact, and the front end of wedge block 32 is connect with the driving end of linear actuator 3；Rotating arm 2 not In the state of stress, the central axis of hold-down bolt 36 is in the inclined-plane of wedge block 32.

Strain-ga(u)ge transducer 9 is pasted on the inner wall of top plate 24, and the left plate 22 and right side plate 23 of rotating arm 2 are in foil gauge The left and right side of sensor 9 opens up the notch 38 for being improved stress induction.

Rod assembly includes lower square tube 44, upper square tube 45 and handle 46, and lower 44 top of square tube is plugged in top from bottom to top In pipe 45, lower 44 lower end of square tube is connect by the drawing hinge 43 with 2 front side top of rotating arm, and handle 46 is in left-right direction Horizontally disposed, 46 middle part of handle is fixedly connected with upper 45 upper end of square tube, and upper 45 lower part of square tube offers first in left-right direction and inserts Hole, lower square tube 44 offer several the second jacks 48 in left-right direction, length of several second jacks 48 along lower square tube 44 Direction is evenly arranged, lower square tube 44 move up and down in pipe 45 above can make each second jack 48 can with above and below the first jack It is corresponding, pass through 47 grafting of bolt between the first jack and one of them second jack 48.

The working principle of the utility model are as follows: on left-hand tread plate 39, right crus of diaphragm station is double on right-hand tread plate 40 at person taking exercise's left foot station Hand holds the left and right ends of handle 46, firmly pulls up handle 46, and adjustable stress type angle is delayed prop by rod assembly It pulls up, due to being connect with the lower square tube 44 of rod assembly by pulling hinge 43 at the top of the front side of rotating arm 2,1 front side of shell Bottom is rotatablely connected by axle bed 42 and connecting rod 41, and 1 rear end of shell is connect with 2 rear end thereof of rotating arm；In 2 front end of rotating arm Apply the power that driving rotating arm 2 rotates forward upwards, which occur the strain-ga(u)ge transducer 9 being pasted on rotating arm 2 Deformation, control circuit module 5 receive the signal of 9 deformation of strain-ga(u)ge transducer, when 9 output signal strength of strain-ga(u)ge transducer is big When given threshold (i.e. 9 deformation of strain-ga(u)ge transducer is greater than threshold value), control circuit module 5 controls linear actuator 3 and moves, directly Line drive 3 is using electric pushrod as general approach.The wedge block 32 of the head connection of electric pushrod moves forward, electronic to push away Bar is shunk.Since the rotary shaft 17 and eccentric wheel 31 that connect with rotating arm 2 squeeze wedge shape always under the action of rotating arm 2 exerts a force Block 32, when wedge block 32 is mobile, eccentric wheel 31 can also rotate, to change the angle that rotating arm 2 opens upwards；Work as foil gauge When 9 output signal strength of sensor is no more than given threshold (i.e. 9 deformation of strain-ga(u)ge transducer is not more than threshold value), control circuit mould Block 5 controls linear actuator 3 and moves, and the wedge block 32 of the head connection of electric pushrod can be transported along the direction that push rod stretches out backward It is dynamic.Until wedge block 32 squeezes eccentric wheel 31, electric pushrod stops.The angle that rotating arm 2 opens at this time can be locked by wedge block 32 Surely it cannot open.The mechanism cooperated using wedge block 32 and eccentric wheel 31 will drive the power on rotating arm 2 to be principally applied to slide plate On shell 1, the power of only front-rear direction very little will push the movement of wedge block 32, therefore only need the power of very little that can hinder Only wedge block 32 is mobile, locks 2 position of rotating arm so as to one direction.3 movement velocity of linear actuator is can be controlled 5 flexible modulation of circuit module, to change the opening angular speed of rotating arm 2；Linear actuator 3 is powered by battery 6, the body of design Product can be with very little.As shown in fig. 7, person taking exercise firmly pulls up handle 46 with upper limb, the folder between rotating arm 2 and shell 1 Angle is increasing, and when pulling force reaches maximum, the angle between rotating arm 2 and shell 1 reaches 180 °.

Electric pushrod can be substituted by other drive schemes, such as gear-rack drive mechanism or pneumatic linear actuator, hydraulic cylinder Isoline driver 3.

The utility model sets seperated for rotary shaft 17, eccentric wheel 31, positioning ring flat-plate 21, connecting plate 20 and positioning pin 28 Structure, be not only convenient for making in this way, and be easily installed and dismantle, positioning pin 28 plays transmitting positioning ring flat-plate 21 and locating shaft The effect of 18 turns of part torques is covered, positioning shaft sleeve 18 plays the role of enhancing 23 intensity of left plate 22 and right side plate of rotating arm 2.Even Fishplate bar 20 plays the role of positioning pin 28 while disassembly and insertion improving disassembly efficiency.Locking lid 29 plays restriction connecting plate 20 and positioning pin 28 effect, it is ensured that the reliability of torque drive.

The left plate 22 and right side plate 23 of rotating arm 2 open up to be improved in the left and right side of strain-ga(u)ge transducer 9 answers The notch 38 of power induction, i.e. rotating arm 2 stress induction at the section where notch 38 are most sensitive, therefore strain-ga(u)ge transducer 9 The effect that stress induction can sufficiently be improved is set at notch 38.

Support skid 33 plays supports wedge block 32 and provides the plane that wedge block 32 moves up and down.

It, can when performing physical exercise for the person taking exercise of different heights since the length of rotating arm and shell is unable to adjust The upper end of adjusting yoke component reaches more comfortable exercise, regulative mode are as follows: by bolt 47 from the first jack and the second jack 48 Interior extraction pulls up or downwards by upper square tube 45, after the proper height for adjusting handle 46, and makes the first jack and one of them After second jack 48 is corresponding, then bolt 47 is inserted into corresponding first jack and the second jack 48.

The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality With the protection scope of new technique scheme.

Claims (6)

1. a kind of upper limb exercising apparatus, it is characterised in that: delay prop and pull rod including left-hand tread plate, right-hand tread plate, adjustable stress type angle Component, left-hand tread plate and right-hand tread plate are horizontally disposed, and left-hand tread plate left back and front pass through a connecting rod and be fixedly connected as One, the slow prop front side bottom of adjustable stress type angle is hinged by the connecting rod of axle bed and front side, and adjustable stress type angle is slow Top is rotatablely connected by drawing hinge and rod assembly lower end on front side of prop；

It includes shell and rotating arm that adjustable stress type angle, which delays prop, and rotating arm is located on the shell Fang Bingyu shell fastening, rotation Arm rear end is rotatably connected on the rear end of shell by hinge component, is disposed with mechanical damping group from back to front in shell The driving end of part, linear actuator and control room, linear actuator passes through mechanical damping component and hinge component press fit, control Make indoor setting and be disposed with control circuit module, battery and control key module from back to front, shell front end portion be provided with Control key module corresponding control panel is provided with strain-ga(u)ge transducer, control key mould on rotating arm at adjacent hinge component Block, strain-ga(u)ge transducer and linear actuator pass through data line respectively and connect with control circuit module, and battery passes through electric wire and control Circuit module connection processed.

2. a kind of upper limb exercising apparatus according to claim 1, it is characterised in that: hinge component includes rotary shaft, locating shaft Set, sliding bearing, connecting plate and positioning ring flat-plate, rotary shaft are equipped with one, positioning shaft sleeve, sliding bearing, connecting plate and positioning ring There are two plate is respectively set, rotating arm includes left plate, right side plate and top plate, top plate left and right sides respectively with left plate and the right side The upper side edge of side plate is fixedly connected, and left plate and right side plate are located at the right side of shell left side wall and the left side of right side wall；

Two positioning shaft sleeves are respectively fixedly disposed at the right side of left plate and the left side of right side plate, two sliding bearing difference The left side wall and rear wall of shell be set, and two sliding bearings and two positioning shaft sleeves have same center line, rotary shaft It is threaded through in two sliding bearings and two positioning shaft sleeves, two positioning ring sleeve-boards are in the left end of rotary shaft and right end and by flat Key and rotation axis connection, positioning ring flat-plate, left plate and the positioning shaft sleeve in left side in left side along the circumferential direction offer several left sides Connecting hole, positioning ring flat-plate, right side plate and the positioning shaft sleeve on right side on right side along the circumferential direction offer several right connecting holes, left Positioning pin, right side of the left end of several positioning pins in left side with one piece of connecting plate are inserted in connecting hole and right connecting hole Face is fixedly connected, and the right end of several positioning pins on right side is fixedly connected with the left side of one piece of connecting plate, every piece of connecting plate Outside is provided with the locking lid for covering connecting plate and positioning ring flat-plate.

3. a kind of upper limb exercising apparatus according to claim 2, it is characterised in that: connecting plate is disc with positioning ring flat-plate Structure, the center of connecting plate offer through-hole, and the both ends of rotary shaft offer threaded hole, the inner face fixed setting of locking lid There is stud, the through-hole that stud passes through on connecting plate is threadedly coupled with the threaded hole in rotating shaft terminal portion, and locking lid compresses connecting plate With positioning ring flat-plate.

4. a kind of upper limb exercising apparatus according to claim 2, it is characterised in that: mechanical damping component includes eccentric wheel, wedge Bottom inside the shell is fixedly installed in shape block and support skid, support skid, and eccentric orfice, rotary shaft middle part are offered on eccentric wheel Milling has planar slot, and eccentric wheel is radially provided with screw hole, and screw hole inner end is connected to eccentric orfice, and rotary shaft passes through bias Hole, screw hole internal screw thread are connected with hold-down bolt, and the slot bottom press of hold-down bolt inner end and planar slot cooperates, the center line of eccentric orfice With the centerline parallel of eccentric wheel, the center line of hold-down bolt is handed over the central axis of the center line of eccentric orfice and eccentric wheel Fork, the plane of wedge block are slidably arranged in support skid in left-right direction, the inclined-plane of wedge block and the outer circle weekly form of eccentric wheel Face press contact, the front end of wedge block and the driving end of linear actuator connect；Under rotating arm unstressed state, compress The central axis of bolt is in the inclined-plane of wedge block.

5. a kind of upper limb exercising apparatus according to claim 2, it is characterised in that: strain-ga(u)ge transducer is pasted onto the interior of top plate On wall, the left plate and right side plate of rotating arm are opened up in the left and right side of strain-ga(u)ge transducer is improved lacking for stress induction Mouthful.

6. a kind of upper limb exercising apparatus according to claim 1, it is characterised in that: rod assembly includes lower square tube, upper square tube And handle, lower square tube top are plugged in square tube from bottom to top, lower square tube lower end passes through the drawing hinge and rotating arm Connection, handle are horizontally disposed in left-right direction at the top of front side, and the middle of the handle is fixedly connected with upper square tube upper end, upper square tube lower part edge Left and right directions offers the first jack, and lower square tube offers several the second jacks in left-right direction, several the second jack edges The length direction of lower square tube is evenly arranged, and lower square tube moves up and down in pipe above can make each second jack that can insert with first Hole is corresponding up and down, passes through bolt grafting between the first jack and one of them second jack.