CN202362217U - Impact strength testing device for wheelchair - Google Patents
Impact strength testing device for wheelchair Download PDFInfo
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- CN202362217U CN202362217U CN2011205028433U CN201120502843U CN202362217U CN 202362217 U CN202362217 U CN 202362217U CN 2011205028433 U CN2011205028433 U CN 2011205028433U CN 201120502843 U CN201120502843 U CN 201120502843U CN 202362217 U CN202362217 U CN 202362217U
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- stepper motor
- sliding guide
- wheel
- vertical movement
- gear
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Abstract
The utility model discloses an impact strength testing device for a wheelchair. The impact strength testing device comprises a base, a baffle, a supporting arm, a vertical sliding guide rail, a main movement bracket, a vertical motion stepping motor transmission mechanism, an upper fixed bracket, a lower fixed bracket, a supporting rod, a horizontal sliding guide rail, a horizontal motion stepping motor transmission mechanism, a bearing frame, a bearing, a pendulum rod, a pendulum, a stepping motor vertical motion control mechanism, a stepping motor horizontal motion control mechanism and a computer control mechanism. The impact strength testing device for the wheelchair has the advantages that by combining the stepping motor vertical motion control mechanism and the stepping motor horizontal motion control mechanism, which are externally connected, any reasonable and accurate spatial position during hitting of the pendulum is determined, an angle of the pendulum is adjusted to a standard included angle according to requirements in a test standard, the pendulum is released to hit against all parts to be tested of the wheelchair to be tested, and the safety performance of the wheelchair is estimated. The impact strength testing device for the wheelchair is simple in structure and convenient to operate.
Description
Technical field
The utility model relates to a kind of proving installation, particularly a kind of Wheel-chair impact strength proving installation of taking turns.
Background technology
Because the people that mostly the use object of wheel Wheel-chair is the elderly and the nerve that causes because of wound, disease etc. or other positions of health receive comparatively serious damage, thereby people's behavior and mobility have been limited.Therefore, take turns Wheel-chair as the long-term walking-replacing tool of patient, its comfortableness, security, stability and the functional factor that all becomes research.Performance Detection for the wheel Wheel-chair mainly contains 25 mensuration projects, in conjunction with the content measurement of each test item, the relevant component parts of taking turns Wheel-chair is made an experiment, and detects its performance.The impact strength experiment also is a wherein important part.Impact strength is fragility and the degree of flexibility that is used for the impact resistance of evaluating material or judges material.Wheel Wheel-chair impact strength test is under the shock load state, drops on the seat support or take turns Wheel-chair such as the occupant to bump against on the barrier accidentally, confirms the intensity of wheel Wheel-chair and main parts size thereof.
To produce the wheel Wheel-chair impact strength of selling in order ensureing and to meet actual requirement and standard, Bureau of Technical Supervision has all worked out relevant test method standard requirement both at home and abroad.As, domestic GB/T 18029-8-2008: the requirement and the method for testing of wheel Wheel-chair the 8th part static strength, impact strength and fatigue strength; GB/T15494-1995: manual pulley Wheel-chair Strength Testing Methods; The CNS 14964-8 standard of TaiWan, China; International ISO 7176-8-1998:Wheelchairs-Part 8-Requirements and test methods for static, impact and fatigue strengths etc.These test method standards have all clearly been listed when taking turns the Wheel-chair impact strength test; The general condition that the wheel Wheel-chair must meet; The related data and the content of wheel Wheel-chair required survey record, inspection before and after test, and the requirement of the wheel required content of the test that comprises of Wheel-chair impact strength test and test tool, condition.In addition, National Research Center for Rehabilitation Technical Aids, Shanghai help medicine equipment company limited, Foshan Dongfang Medical Equipment Manufacturing Ltd., Shanghai wheelchair depot also all the impact strength test of wheel Wheel-chair to be researched and analysed mutually.
But take turns the proving installation that the Wheel-chair impact strength test does not have specialty at present; Therefore through research to domestic and international wheel Wheel-chair impact strength testing standard; Grasp requirement, the method for wheel Wheel-chair impact strength test and obtain some important parameters, on this basis, develop a chaptrel Wheel-chair impact testing machine; Can assess the production of wheel Wheel-chair and the security and the validity of use, therefore have great importance.
The utility model content
The purpose of the utility model in order to solve the problems referred to above that prior art exists, provides a kind of Wheel-chair impact strength proving installation of taking turns exactly.
To achieve these goals, the utility model has adopted following technical scheme: a kind of Wheel-chair impact strength proving installation of taking turns is characterized in that comprising:
Base;
Baffle plate is arranged on a side of base;
Sway brace is arranged on another relative with baffle plate on base side;
Vertically-sliding guide is installed in the upper end of sway brace;
Main traversing carriage slides on the vertically-sliding guide and can move up and down along vertically-sliding guide;
Vertical movement stepper motor gear train comprises vertical movement stepper motor and vertical movement gear train, is installed on the main traversing carriage and with main traversing carriage transmission to link to each other, and can drive main traversing carriage and move up and down;
Last fixed support is installed in the upper end of vertically-sliding guide;
Following fixed support is installed in the upper end of sway brace;
Support bar is connected between fixed support and the following fixed support and from main traversing carriage and passes;
Horizontally-sliding guide, being sleeved on also can be along main traversing carriage move left and right on the main traversing carriage;
Tangential movement stepper motor gear train comprises tangential movement stepper motor and tangential movement gear train, is installed in the outer end of horizontally-sliding guide and links to each other with the horizontally-sliding guide transmission, can drive the horizontally-sliding guide move left and right;
Bearing bracket stand, being connected the following of horizontally-sliding guide can be with the horizontally-sliding guide move left and right;
Bearing, being installed in can be with bearing bracket stand move left and right and rotatable on the bearing bracket stand;
Fork, being connected the following of bearing can swing around bearing;
Pendulum is connected the below of fork;
Stepper motor vertical movement control gear is connected the motion of may command vertical movement stepper motor with vertical movement stepper motor telecommunications;
Stepper motor tangential movement control gear is connected the motion of controllable levels motion stepper motor with tangential movement stepper motor telecommunications;
Computer control mechanism; Be connected with stepper motor vertical movement control gear, stepper motor tangential movement control gear and pendulum telecommunications respectively; Through the motion of stepper motor vertical movement control gear, stepper motor tangential movement control gear control vertical movement stepper motor and tangential movement stepper motor, and the stress data of record pendulum.
Described vertical movement gear train comprises worm screw, worm gear, transmission shaft, gear and tooth bar; Worm screw links to each other with the direct transmission of the main shaft of vertical movement stepper motor; Worm gear links to each other with worm drive, and an end of transmission shaft links to each other with worm-drive, and the other end links to each other with gear drive; The rotation that the wheel and rack transmission links to each other gear becomes moving up and down of tooth bar, and the tooth bar main traversing carriage of drive that links to each other with main traversing carriage transmission moves up and down along vertically-sliding guide.
Described tangential movement gear train comprises leading screw; One end of leading screw links to each other with the direct transmission of the main shaft of tangential movement stepper motor; The other end passes horizontally-sliding guide and links to each other with main traversing carriage engaged transmission, can drive horizontally-sliding guide along main traversing carriage move left and right.
Also comprise the anti-constraint mechanism that turns over, this prevents turning over the inboard that constraint mechanism is installed in sway brace, can when the wheel Wheel-chair is tested, catch on the front end of wheelchair vehicle carriage and topple over backward because of out of trim to avoid taking turns Wheel-chair.
Arbitrary reasonable and accurate locus when the utility model combines to have confirmed the pendulum bump through external stepper motor vertical movement control gear and stepper motor tangential movement control gear; Then according to the requirement in the testing standard; Pendulum is adjusted to the angle of standard, discharges pendulum again and make its bump each parts of taking turns the required test of Wheel-chair to be measured, assess the security performance of wheel Wheel-chair; And it is simple in structure, easy to operate.
Description of drawings
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the structural representation of facing of the utility model;
Fig. 3 is the side-looking structural representation (not relating to baffle plate and whipple hammer) of the utility model;
Fig. 4 is the plan structure synoptic diagram of the utility model;
Fig. 5 is the structural representation of the vertical movement gear train in the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Referring to Fig. 1; Cooperation is referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5; The wheel Wheel-chair impact strength proving installation of the utility model comprises base 1, baffle plate 2, sway brace 3, vertically-sliding guide 4, main traversing carriage 5, vertical movement stepper motor gear train 6, goes up fixed support 7, following fixed support 8, support bar 9, horizontally-sliding guide 10, tangential movement stepper motor gear train 11, bearing bracket stand 12, bearing 13, fork 14, pendulum 15, stepper motor vertical movement control gear 16, stepper motor tangential movement control gear 17 and computer control mechanism 18.
Sway brace 3 is arranged on the base 1 another side relative with baffle plate 2.
Vertically-sliding guide 4 is installed in the upper end of sway brace 3.
Main traversing carriage 5 slides on the vertically-sliding guide 4 and can move up and down along vertically-sliding guide.
Vertical movement stepper motor gear train 6 is installed on the main traversing carriage 5 and with main traversing carriage transmission and links to each other, and can drive main traversing carriage and move up and down.It comprises vertical movement stepper motor 61 and the vertical movement gear train of being made up of worm screw 62, worm gear 63, transmission shaft 64, gear 65 and tooth bar 66.Worm screw 62 links to each other with the direct transmission of the main shaft of vertical movement stepper motor 61; Worm gear 63 links to each other with worm screw 62 transmissions; One end of transmission shaft 64 links to each other with worm gear 63 transmissions; The other end links to each other with gear 65 transmissions, and the rotation that gear 65 links to each other with tooth bar 66 transmissions gear becomes moving up and down of tooth bar, and tooth bar 66 links to each other with main traversing carriage 5 transmissions and drives main traversing carriage and move up and down along vertically-sliding guide.
Last fixed support 7 is installed in the upper end of vertically-sliding guide 4.
Following fixed support 8 is installed in the upper end of sway brace 3.
Horizontally-sliding guide 10 is sleeved on also can be along main traversing carriage 5 move left and right on the main traversing carriage 5.
Tangential movement stepper motor gear train 11 is installed in the outer end of horizontally-sliding guide 10 and links to each other with horizontally-sliding guide 10 transmissions; The horizontally-sliding guide move left and right be can drive, tangential movement stepper motor 111 and the tangential movement gear train that constitutes by leading screw 112 comprised.One end of leading screw 112 links to each other with the direct transmission of the main shaft of tangential movement stepper motor 111, and the other end passes horizontally-sliding guide 10 and links to each other with main traversing carriage 5 engaged transmission, and leading screw 112 can drive horizontally-sliding guide 10 along main traversing carriage 5 move left and right.
Stepper motor vertical movement control gear 16 is connected the motion of may command vertical movement stepper motor with vertical movement stepper motor telecommunications.
Stepper motor tangential movement control gear 17 is connected the motion of controllable levels motion stepper motor with tangential movement stepper motor telecommunications.
The utility model also comprises the anti-constraint mechanism 19 that turns over, and this prevents turning over the inboard that constraint mechanism 19 is installed in sway brace, can when the wheel Wheel-chair is tested, catch on the front end of wheelchair vehicle carriage and topple over backward because of out of trim to avoid taking turns Wheel-chair.
The principle of work of the utility model is: the Wheel-chair of taking turns to be measured is placed on the base, and will takes turns Wheel-chair and be in on-position.If needed can through use anti-turn over constraint mechanism catch on the wheelchair vehicle carriage before bring in and strengthen the fast pulley Wheel-chair, avoid taking turns Wheel-chair and topple over backward because of out of trim.The action of vertical movement stepper motor through a pair of intermeshing worm-and-wheel gear in the vertical movement gear train, transmission shaft and a pair of pitch wheel rack gear, realizes that main traversing carriage moves up or down.The tangential movement stepper motor drives leading screw rotation again, through with one section of main support right-hand member in the tooth engagement realize that horizontally-sliding guide moves inwards or outwards, adjust pendulum to appropriate test position.Through the horizontal level of external stepper motor tangential movement control gear scalable pendulum, through the upright position of stepper motor vertical movement control gear scalable pendulum, arbitrary reasonable and accurate locus when both combine to have confirmed the pendulum bump.According to the requirement in the testing standard; Pendulum is adjusted to the angle of standard; Discharge pendulum then and make its bump each parts with the required test of wheel Wheel-chair to be tested; And the signal of gathering being transferred to computer system through data acquisition module, computer system shows the data of testing through the software of control system and acquisition system.
Claims (4)
1. wheel Wheel-chair impact strength proving installation is characterized in that comprising:
Base;
Baffle plate is arranged on a side of base;
Sway brace is arranged on another relative with baffle plate on base side;
Vertically-sliding guide is installed in the upper end of sway brace;
Main traversing carriage slides on the vertically-sliding guide and can move up and down along vertically-sliding guide;
Vertical movement stepper motor gear train comprises vertical movement stepper motor and vertical movement gear train, is installed on the main traversing carriage and with main traversing carriage transmission to link to each other, and can drive main traversing carriage and move up and down;
Last fixed support is installed in the upper end of vertically-sliding guide;
Following fixed support is installed in the upper end of sway brace;
Support bar is connected between fixed support and the following fixed support and from main traversing carriage and passes;
Horizontally-sliding guide, being sleeved on also can be along main traversing carriage move left and right on the main traversing carriage;
Tangential movement stepper motor gear train comprises tangential movement stepper motor and tangential movement gear train, is installed in the outer end of horizontally-sliding guide and links to each other with the horizontally-sliding guide transmission, can drive the horizontally-sliding guide move left and right;
Bearing bracket stand, being connected the following of horizontally-sliding guide can be with the horizontally-sliding guide move left and right;
Bearing, being installed in can be with bearing bracket stand move left and right and rotatable on the bearing bracket stand;
Fork, being connected the following of bearing can swing around bearing;
Pendulum is connected the below of fork;
Stepper motor vertical movement control gear is connected the motion of may command vertical movement stepper motor with vertical movement stepper motor telecommunications;
Stepper motor tangential movement control gear is connected the motion of controllable levels motion stepper motor with tangential movement stepper motor telecommunications;
Computer control mechanism; Be connected with stepper motor vertical movement control gear, stepper motor tangential movement control gear and pendulum telecommunications respectively; Through the motion of stepper motor vertical movement control gear, stepper motor tangential movement control gear control vertical movement stepper motor and tangential movement stepper motor, and the stress data of record pendulum.
2. the Wheel-chair impact strength proving installation of taking turns as claimed in claim 1; It is characterized in that: described vertical movement gear train comprises worm screw, worm gear, transmission shaft, gear and tooth bar; Worm screw links to each other with the direct transmission of the main shaft of vertical movement stepper motor; Worm gear links to each other with worm drive, and an end of transmission shaft links to each other with worm-drive, and the other end links to each other with gear drive; The rotation that the wheel and rack transmission links to each other gear becomes moving up and down of tooth bar, and the tooth bar main traversing carriage of drive that links to each other with main traversing carriage transmission moves up and down along vertically-sliding guide.
3. the Wheel-chair impact strength proving installation of taking turns as claimed in claim 1; It is characterized in that: described tangential movement gear train comprises leading screw; One end of leading screw links to each other with the direct transmission of the main shaft of tangential movement stepper motor; The other end passes horizontally-sliding guide and links to each other with main traversing carriage engaged transmission, can drive horizontally-sliding guide along main traversing carriage move left and right.
4. the Wheel-chair impact strength proving installation of taking turns as claimed in claim 1; It is characterized in that: also comprise the anti-constraint mechanism that turns over; Should anti-turn over the inboard that constraint mechanism is installed in sway brace, and can when the wheel Wheel-chair is tested, catch on the front end of wheelchair vehicle carriage and topple over backward because of out of trim to avoid taking turns Wheel-chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205028433U CN202362217U (en) | 2011-12-06 | 2011-12-06 | Impact strength testing device for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205028433U CN202362217U (en) | 2011-12-06 | 2011-12-06 | Impact strength testing device for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202362217U true CN202362217U (en) | 2012-08-01 |
Family
ID=46573396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205028433U Expired - Fee Related CN202362217U (en) | 2011-12-06 | 2011-12-06 | Impact strength testing device for wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202362217U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149102A (en) * | 2011-12-06 | 2013-06-12 | 上海理工大学 | Impact strength testing device for wheelchair |
| CN105953995A (en) * | 2016-06-29 | 2016-09-21 | 昆山浩硕精密机械有限公司 | Novel automobile seat impact testing device |
| CN106908211A (en) * | 2017-03-28 | 2017-06-30 | 通用电梯股份有限公司 | A kind of door of elevator striking experiment device |
| CN107157293A (en) * | 2017-06-24 | 2017-09-15 | 中船澄西船舶修造有限公司 | The new bulb bow that launches a ship hits champagne method |
-
2011
- 2011-12-06 CN CN2011205028433U patent/CN202362217U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149102A (en) * | 2011-12-06 | 2013-06-12 | 上海理工大学 | Impact strength testing device for wheelchair |
| CN103149102B (en) * | 2011-12-06 | 2014-10-15 | 上海理工大学 | Impact strength testing device for wheelchair |
| CN105953995A (en) * | 2016-06-29 | 2016-09-21 | 昆山浩硕精密机械有限公司 | Novel automobile seat impact testing device |
| CN105953995B (en) * | 2016-06-29 | 2018-08-24 | 昆山浩硕精密机械有限公司 | A kind of Novel car seat impact test apparatus |
| CN106908211A (en) * | 2017-03-28 | 2017-06-30 | 通用电梯股份有限公司 | A kind of door of elevator striking experiment device |
| CN107157293A (en) * | 2017-06-24 | 2017-09-15 | 中船澄西船舶修造有限公司 | The new bulb bow that launches a ship hits champagne method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20121206 |