CN108645588A - Heavily loaded wheel-chair falls fatigue tester - Google Patents
Heavily loaded wheel-chair falls fatigue tester Download PDFInfo
- Publication number
- CN108645588A CN108645588A CN201810920025.1A CN201810920025A CN108645588A CN 108645588 A CN108645588 A CN 108645588A CN 201810920025 A CN201810920025 A CN 201810920025A CN 108645588 A CN108645588 A CN 108645588A
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- China
- Prior art keywords
- wheel
- chair
- groups
- mobile holder
- fatigue tester
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to the technical fields that rehabilitation device detects auxiliary equipment, fall fatigue tester more particularly to a kind of heavily loaded wheel-chair, simple in structure, are easily installed, are conveniently operated, save occupied space, improve safety, improve practicability；And it is adapted to the wheel-chair of different wheelbases, the load of 450kg or more can be lifted, improves use reliability；Including pedestal, two groups of fixing brackets, mobile holder, wheel-chair, wheelbase adjustment mechanism, rotaring wheel structure, operation console, four groups of thrust cylinders, shock-absorbing limiting device and fixing device, two groups of fixing brackets are separately mounted to the left and right side on pedestal top, mobile holder is mounted on by sliding axle between two groups of fixing brackets, four groups of thrust cylinders are separately mounted to the front left side on pedestal top, forward right side, left rear side and right lateral side, fixing device is mounted on two groups of support bracket fastened outsides, electric control system is installed on operation console, electric control system includes touch screen and control button.
Description
Technical field
The present invention relates to the technical fields that rehabilitation device detects auxiliary equipment, fall more particularly to a kind of heavily loaded wheel-chair
Fatigue tester.
Background technology
It is well known that according to national standard " the 8th part of GB18029.8-2008 --- wheel-chair：Static strength, impact are strong
The related request of requirement and the test method of degree and fatigue strength ", detection device need to test wheel-chair as follows：Make wheelchair
Vehicle from the eminence of 50mm+5mm, is fallen on the horizontal checkout platform of a rigidity up to 6666 times, with to the anti-drop of wheel-chair repeatedly
Performance is evaluated, and it is a kind of for being detected to the anti-dropping capability of wheel-chair that heavily loaded wheel-chair, which falls fatigue tester,
Auxiliary device is widely used in a variety of applications in the field of rehabilitation device detection；Existing heavy duty wheel-chair falls tired survey
Test-run a machine is complicated, difficult to install, inconvenient for operation, and occupied space is larger, and safety coefficient is relatively low, causes practicability relatively low；And
The wheel-chair for being unable to wheelbase can not be adapted to, the load of 450kg or more can not be lifted, causes use reliability relatively low.
Invention content
In order to solve the above technical problems, present invention offer is a kind of simple in structure, it is easily installed, is conveniently operated, saves and occupy
Safety is improved in space, improves practicability；And it is adapted to the wheel-chair of different wheelbases, the load of 450kg or more can be lifted
Lotus, the heavily loaded wheel-chair for improving use reliability fall fatigue tester.
The heavily loaded wheel-chair of the present invention falls fatigue tester, including pedestal, two groups of fixing brackets, mobile holder, wheelchair
Vehicle, wheelbase adjustment mechanism, rotaring wheel structure, operation console, four groups of thrust cylinders, shock-absorbing limiting device and fixing device, described two groups
Fixing bracket is separately mounted to the left and right side on pedestal top, and the mobile holder is mounted on two groups of fixation branch by sliding axle
Between frame, four groups of thrust cylinders are separately mounted to front left side, forward right side, left rear side and the right lateral side on pedestal top, four groups
The top output port of thrust cylinder is contacted with front left side, forward right side, left rear side and the right lateral side of mobile holder bottom end respectively, described
Wheelbase adjustment mechanism is mounted on mobile holder, and the rotating wheel mechanisms that is mounted on the both sides of mobile holder, the damping limit dress
It sets the left and right side mounted on pedestal top and positioned at the lower section of mobile holder, the fixing device is mounted on two groups of fixation branch
The outside of frame, is equipped with electric control system on the operation console, and the electric control system includes touch screen and control button,
Four groups of thrust cylinders, rotating wheel mechanisms that and fixing device are electrically connected with electric control system.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the wheelbase adjustment mechanism includes main wheel supporting mechanism, pair
Wheel supporting mechanism and the leading screw that main wheel supporting mechanism and accessory whorl supporting mechanism are adjusted, main wheel supporting mechanism and accessory whorl branch
Support structure can be slidably mounted on pedestal.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the mobile holder is mounted on sliding axle by linear bearing
On, and the top of linear bearing is provided with acceleration spring.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the fixing device includes driving cylinder and mounted on drive
It takes offence the positioning pin of cylinder output end.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the shock-absorbing limiting device includes adjustment type hydraulic bjuffer
And polyurethane shock pad.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the rotating wheel mechanisms that includes runner cylinder, rack and pinion,
The output end of the runner cylinder is connect with rack, the rack and pinion engagement, and wheel shaft is provided on the gear.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the bottom end of the pedestal is provided with adjustable damping feet.
Beneficial effects of the present invention are compared with prior art：Thrust cylinder on pedestal is ventilated by solenoid valve, is driven
Mobile holder and its wheel-chair above are lifted upwards, after reaching setting position, are fixed mobile holder by fixing device, are pushed away
Strength cylinder is begun to decline, and mobile holder is fixed on setting position by the positioning pin of fixing device, makes wheelchair by rotating wheel mechanisms that
The vehicle wheel rotation certain angle of vehicle releases the limit to mobile holder with posterior fixation devices, and mobile holder is under gravity
It falls, achievees the purpose that fall testing fatigue, it is simple in structure, it is easily installed, is conveniently operated, save occupied space, improve safety
Property, improve practicability；And it can be adapted to the wheel-chair of different wheelbases by wheelbase adjustment mechanism, pass through four groups of thrust gas
Cylinder can be lifted the load of 450kg or more, improve use reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the side structure schematic view of the present invention；
Fig. 3 is the dimensional structure diagram of the present invention；
It is marked in attached drawing：1, pedestal；2, two groups of fixing brackets；3, mobile holder；4, wheel-chair；5, wheelbase adjustment mechanism；
6, rotaring wheel structure；7, operation console；8, four groups of thrust cylinders；9, shock-absorbing limiting device；10, fixing device.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1 to Figure 3, heavily loaded wheel-chair of the invention falls fatigue tester, including 1, two group of fixation branch of pedestal
Frame 2, mobile holder 3, wheel-chair 4, wheelbase adjustment mechanism 5, rotaring wheel structure 6,7, four groups of thrust cylinders 8 of operation console, damping limit
Device 9 and fixing device 10, two groups of fixing brackets are separately mounted to the left and right side on pedestal top, and mobile holder passes through sliding
Axis is mounted between two groups of fixing brackets, and four groups of thrust cylinders are separately mounted to the front left side, forward right side, left rear side on pedestal top
And right lateral side, the top output ports of four groups of thrust cylinders front left side, forward right side, left rear side and the right side with mobile holder bottom end respectively
Rear contact, wheelbase adjustment mechanism are mounted on mobile holder, and rotating wheel mechanisms that is mounted on the both sides of mobile holder, damping limit dress
It sets the left and right side mounted on pedestal top and positioned at the lower section of mobile holder, fixing device is support bracket fastened mounted on two groups
Outside is equipped with electric control system on operation console, and electric control system includes touch screen and control button, four groups of thrust gas
Cylinder, rotating wheel mechanisms that and fixing device are electrically connected with electric control system；Thrust cylinder on pedestal is ventilated by solenoid valve, band
Dynamic mobile holder and its wheel-chair above are lifted upwards, after reaching setting position, are fixed mobile holder by fixing device,
Thrust cylinder is begun to decline, and mobile holder is fixed on setting position by the positioning pin of fixing device, makes wheel by rotating wheel mechanisms that
The vehicle wheel rotation certain angle of Wheel-chair releases the limit to mobile holder, effect of the mobile holder in gravity with posterior fixation devices
Lower whereabouts achievees the purpose that fall testing fatigue, simple in structure, is easily installed, is conveniently operated, and saves occupied space, improves peace
Quan Xing improves practicability；And it can be adapted to the wheel-chair of different wheelbases by wheelbase adjustment mechanism, pass through four groups of thrusts
Cylinder can be lifted the load of 450kg or more, improve use reliability.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and wheelbase adjustment mechanism includes main wheel supporting mechanism, accessory whorl branch
Support mechanism and the leading screw that main wheel supporting mechanism and accessory whorl supporting mechanism are adjusted, main wheel supporting mechanism and accessory whorl support knot
Structure can be slidably mounted on pedestal；The main wheel and accessory whorl of wheel-chair are carried out by main wheel supporting mechanism and accessory whorl supporting mechanism
Support, is adjusted the distance between main wheel supporting mechanism and accessory whorl supporting mechanism by leading screw, adapts to the wheel of different wheelspans
Wheel-chair improves practicability.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and mobile holder is mounted on by linear bearing on sliding axle,
And the top of linear bearing is provided with acceleration spring；The limit to mobile holder can be released by acceleration spring in fixing device
Elastic force is provided behind position, accelerates the falling speed of mobile holder.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and fixing device includes driving cylinder and mounted on driving gas
The positioning pin of cylinder output end, by driving cylinder that positioning pin is driven to limit mobile holder, by driving cylinder that will position
Pin extraction can release the limit to mobile holder, practicality easy to operate.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and shock-absorbing limiting device includes adjustment type hydraulic bjuffer and gathers
Urethane beam；By adjusting formula hydraulic bjuffer to mobile holder into row buffering, by polyurethane shock pad to mobile holder
It is limited, improves the protection to mobile holder.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and rotating wheel mechanisms that includes runner cylinder, rack and pinion, runner
The output end of cylinder is connect with rack, rack and pinion engagement, and wheel shaft is provided on gear；It is moved by runner cylinder drive rack
Dynamic, rack drives gear and wheel shaft rotation drive the vehicle wheel rotation certain angle of wheel-chair by wheel shaft, can be to wheel-chair
The different location of wheel carries out fall-down test.
The heavily loaded wheel-chair of the present invention falls fatigue tester, and the bottom end of pedestal is provided with adjustable damping feet；Raising pair
Its whole support effect.
The heavily loaded wheel-chair of the present invention falls fatigue tester, at work, passes through main wheel supporting mechanism and accessory whorl branch
Support mechanism is supported the main wheel and accessory whorl of wheel-chair, by leading screw between main wheel supporting mechanism and accessory whorl supporting mechanism
Distance is adjusted, and adapts to the wheel-chair of different wheelspans, and wheel-chair as the top of mobile holder and is supported machine by main wheel
Structure and accessory whorl supporting mechanism are supported the main wheel and accessory whorl of wheel-chair, then in 7 control panel of operation console by operating mode
Button pushes on automatic transmission, and sets testing time on the touchscreen, clicks start button, and equipment starts automatic running, pedestal
On thrust cylinder ventilated by solenoid valve, drive mobile holder and its wheel-chair above to be lifted upwards, reach setting position
Afterwards, the cylinder of fixing device is ventilated by solenoid valve drives positioning pin to stretch out, and thrust cylinder 8 is begun to decline, and mobile holder 3 passes through
The positioning pin of fixing device is fixed on setting position.At this moment the runner cylinder of rotating wheel mechanisms that stretches out, and band carry-over bar moves, and rack is again
Drive gears driving wheel shaft rotation is dynamic, and wheel-chair is made to turn an angle, and drives positioning pin to return with the cylinder of posterior fixation devices in situ,
The speed that mobile holder and wheelchair accelerate under the action of gravity and acceleration spring more than gravity declines, and the wheel of wheel-chair is hit
It hits on the supporting mechanism of major-minor wheel, achievees the purpose that fall testing fatigue, rotating wheel mechanisms that cylinder return, touch screen counts one
It is secondary.So far a test terminates, and starts next test.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. it is a kind of heavy duty wheel-chair (4) fall fatigue tester, which is characterized in that including pedestal (1), two groups of fixing brackets (2),
Mobile holder (3), wheel-chair (4), wheelbase adjustment mechanism (5), rotating wheel mechanisms that (6), operation console (7), four groups of thrust cylinders (8),
Shock-absorbing limiting device (9) and fixing device (10), two groups of fixing brackets (2) are separately mounted to the left side on pedestal (1) top
And right side, between the mobile holder (3) is mounted on two groups of fixing brackets (2) by sliding axle, four groups of thrust cylinders (8)
It is separately mounted to front left side, forward right side, left rear side and the right lateral side on pedestal (1) top, the top output of four groups of thrust cylinders (8)
End is contacted with the front left side, forward right side, left rear side and right lateral side of mobile holder (3) bottom end respectively, the wheelbase adjustment mechanism (5)
On mobile holder (3), the rotating wheel mechanisms that is mounted on the both sides of mobile holder (3), shock-absorbing limiting device (9) peace
Mounted in pedestal (1) top left and right side and positioned at the lower section of mobile holder (3), the fixing device (10) is mounted on two groups
The outside of fixing bracket (2), electric control system is equipped on the operation console (7), and the electric control system includes touching
Screen and control button, four groups of thrust cylinders (8), rotating wheel mechanisms that and fixing device (10) are electrically connected with electric control system.
2. heavy duty wheel-chair (4) as described in claim 1 falls fatigue tester, which is characterized in that the wheelbase adjusts machine
Structure (5) includes main wheel supporting mechanism, accessory whorl supporting mechanism and main wheel supporting mechanism and accessory whorl supporting mechanism is adjusted
Leading screw, main wheel supporting mechanism and accessory whorl support construction can be slidably mounted on pedestal (1).
3. heavy duty wheel-chair (4) as claimed in claim 2 falls fatigue tester, which is characterized in that the mobile holder (3)
It is mounted on sliding axle by linear bearing, and the top of linear bearing is provided with acceleration spring.
4. heavy duty wheel-chair (4) as claimed in claim 3 falls fatigue tester, which is characterized in that the fixing device
(10) include driving cylinder and the positioning pin mounted on driving cylinder output end.
5. heavy duty wheel-chair (4) as claimed in claim 4 falls fatigue tester, which is characterized in that the damping limit dress
It includes adjustment type hydraulic bjuffer and polyurethane shock pad to set (9).
6. heavy duty wheel-chair (4) as claimed in claim 5 falls fatigue tester, which is characterized in that the rotating wheel mechanisms that packet
Runner cylinder, rack and pinion are included, the output end of the runner cylinder is connect with rack, the rack and pinion engagement, described
Wheel shaft is provided on gear.
7. heavy duty wheel-chair (4) as claimed in claim 6 falls fatigue tester, which is characterized in that the bottom of the pedestal (1)
End is provided with adjustable damping feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920025.1A CN108645588A (en) | 2018-08-14 | 2018-08-14 | Heavily loaded wheel-chair falls fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920025.1A CN108645588A (en) | 2018-08-14 | 2018-08-14 | Heavily loaded wheel-chair falls fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645588A true CN108645588A (en) | 2018-10-12 |
Family
ID=63760843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810920025.1A Pending CN108645588A (en) | 2018-08-14 | 2018-08-14 | Heavily loaded wheel-chair falls fatigue tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645588A (en) |
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| CN207248476U (en) * | 2017-05-31 | 2018-04-17 | 厦门市西文机械工贸有限公司 | A kind of electric treadmill shock-testing machine |
| CN208547457U (en) * | 2018-08-14 | 2019-02-26 | 河北沃克曼数控机械有限公司 | Heavily loaded wheel-chair falls fatigue tester |
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| CN2543060Y (en) * | 2002-05-29 | 2003-04-02 | 周宝麟 | Transport package falling tester |
| CN1926594A (en) * | 2004-02-03 | 2007-03-07 | 拽牫特格有限公司 | Apparatus for simulated driving of a motor vehicle |
| CN200944077Y (en) * | 2006-03-24 | 2007-09-05 | 唐升棣 | Air-actuated shock and bump testing device |
| CN101051002A (en) * | 2007-04-30 | 2007-10-10 | 重庆长安汽车股份有限公司 | Vehicle body rigidity test table |
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| CN206615968U (en) * | 2016-11-30 | 2017-11-07 | 通用电气公司 | Multi-purpose testboard |
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