CN210953411U - Electrodynamic balance car endurance test appearance - Google Patents
Electrodynamic balance car endurance test appearance Download PDFInfo
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- CN210953411U CN210953411U CN201922183974.9U CN201922183974U CN210953411U CN 210953411 U CN210953411 U CN 210953411U CN 201922183974 U CN201922183974 U CN 201922183974U CN 210953411 U CN210953411 U CN 210953411U
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- balance car
- support platform
- lever system
- endurance test
- pressure
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Abstract
The utility model relates to an electrodynamic balance car endurance tester, including the support platform, the wheel of taking the foot brake is installed to support platform bottom, be equipped with along the pivot of transverse arrangement on the support platform, the pivot both ends are installed on the support platform through the bearing, a plurality of screw holes have been seted up on the support platform, the support platform rear side is connected with the longeron, be connected with two at least crossbeams between the longeron, be connected with lever system on the crossbeam that is located the middle part, be connected with safety buckle on the crossbeam that is located the upper portion, lever system lifts up the back and fixes on the crossbeam through safety buckle, lever system middle part is connected with the briquetting, the briquetting presses on the balance car after lever system descends, the briquetting is used for producing perpendicular decurrent pressure to the balance car, lever system front end articulates; the utility model discloses can carry out normal job simulation and endurance test to electrodynamic balance car according to the testing method of electrodynamic balance car operating characteristic and relevant product standard regulation.
Description
[ technical field ]
The utility model belongs to the technical field of the balance car test technique and specifically relates to an electrodynamic balance car endurance test appearance.
[ background art ]
With the wide spread of balance cars, the number of fire accidents during the use of balance cars is increasing, and consumers are paying attention to the safety and reliability of products. Corresponding standards are issued in turn by various countries to meet the requirements of various properties of products, wherein the widely adopted standard is UL 2272. In the individual items in the UL 2272 standard, normal operation simulation and endurance test are required for the balance car. However, no relevant test device is able to achieve this function until the release of the standard.
Therefore, it is very important to provide a tester and a testing method according to the operating characteristics of the electric balance car and the relevant product standards to perform normal operation simulation and durability test on the electric balance car.
[ contents of utility model ]
The utility model aims at solving foretell not enough and provide an electrodynamic balance car endurance test appearance, can carry out normal job simulation and endurance test to electrodynamic balance car according to the testing method of electrodynamic balance car operating characteristic and relevant product standard regulation.
The electric balance car endurance tester comprises a support platform 2 for placing a balance car 1, wherein wheels 3 with service brakes are installed at the bottom of the support platform 2, a rotating shaft 4 arranged along the transverse direction is arranged on the support platform 2, the wheels of the balance car 1 are arranged on the rotating shaft 4, two ends of the rotating shaft 4 are installed on the support platform 2 through bearings 5, the bearings 5 are installed on the left side and the right side of the support platform 2, a plurality of threaded holes 6 are formed in the support platform 2, a vertical longitudinal beam 7 is connected to the rear side of the support platform 2, at least two transverse beams 8 are connected between the longitudinal beams 7, a lever system 9 is connected to the transverse beam 8 in the middle, a safety buckle 10 is connected to the transverse beam 8 on the upper portion, the lever system 9 is fixed to the lifting transverse beam 8 through the safety buckle 10 after being lifted upwards, a press block 11 is connected to the middle portion of the lever system 9, the pressure block 11 is pressed on the balance car 1 after the lever system 9 descends, the pressure block 11 is used for generating vertical downward pressure on the balance car 1, and the front end of the lever system 9 is hinged with a lever pressure support 12.
Further, be equipped with on the support platform 2 and be used for compressing tightly fixed pressure rail 13 and screw rod 14 to balance car 1, pressure rail 13 is bar platelike and follows fore-and-aft direction longitudinal arrangement, pressure rail 13 presses and locates on balance car 1, pressure rail 13 is last to have seted up screw rod hole 15, and vertical screw rod 14 of arranging passes screw rod hole 15, screw rod 14 bottom is connected with the screw hole 6 cooperation on the support platform 2 to turn round through screw hole 6, pressure rail 13 passes through the screw rod 14 and adjusts the rotational speed of front and back height in order to adjust balance car 1.
Further, the screw holes in the pressure rail are at least two and distributed along the front and back direction, and the screw holes are strip-shaped holes extending along the front and back direction.
Further, the number of the pressure rails 13 is two, the two pressure rails 13 are arranged in bilateral symmetry, each pressure rail 13 is connected with two screws 14, and the two screws 14 are distributed along the front-back direction.
Further, the lever system 9 comprises a connecting arm 16 and a force arm 17, the connecting arm 16 is installed on the cross beam 8, the rear end of the force arm 17 is hinged to the connecting arm 16, the front end of the force arm 17 is hinged to the lever pressure support 12, and a weight 18 is fixed to the front end of the lever pressure support 12.
Further, the rotating shaft 4 is sleeved with a rubber sleeve 19, the rubber sleeve 19 is movably connected to the rotating shaft 4, and wheels of the balance car 1 are arranged on the rubber sleeve 19 and are in contact connection with the rubber sleeve 19.
Furthermore, the two ends of the cross beam 8 in the middle are movably connected to the longitudinal beam 7 up and down, and move up and down along the longitudinal beam 7 to adjust the height of the lever system 9.
Further, a thermocouple wire 20 is pasted in the balance car 1, the other end of the thermocouple wire 20 is connected with a data acquisition instrument 21, and the data acquisition instrument 21 is used for acquiring and recording the temperature value of a certain point position on the balance car 1.
Compared with the prior art, the utility model provides an electrodynamic balance car endurance tester, can carry out normal work simulation and endurance test to the electrodynamic balance car according to the electrodynamic balance car working characteristic and the test method that relevant product standard stipulates, accord with the standard requirement, do benefit to manual operation; the utility model discloses an realize, increased the test qualification in laboratory, improved the validity of test, simultaneously because the utility model discloses a mechanical mechanism, the simple operation is nimble, and the tester of being convenient for masters, and the quality all has great improvement with efficiency, is worth popularizing and applying.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic side view of the structure of FIG. 1;
FIG. 4 is a schematic structural view of the utility model when the balance car is installed;
FIG. 5 is an exemplary diagram of the pressure and size of the lever system of the present invention;
FIG. 6 is a test chart of an embodiment of the present invention;
in the figure: 1. balance car 2, support platform 3, wheel 4, pivot 5, bearing 6, screw hole 7, longeron 8, crossbeam 9, lever system 10, safety buckle 11, briquetting 12, lever pressure support 13, pressure rail 14, screw 15, screw hole 16, linking arm 17, arm of force 18, weight 19, rubber sleeve 20, thermocouple wire 21, data acquisition appearance.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the utility model provides an electrodynamic balance car endurance tester, including the support platform 2 that is used for placing the balance car 1, the wheel 3 of taking the service brake is installed to support platform 2 bottom, be equipped with along the pivot 4 of horizontal arrangement on the support platform 2, the wheel of balance car 1 is placed in the pivot 4, the cover is equipped with rubber sleeve 19 on the pivot 4, rubber sleeve 19 is connected on the pivot 4 movably, the wheel of balance car 1 is placed in rubber sleeve 19, and with rubber sleeve 19 contact connection; two ends of a rotating shaft 4 are arranged on a support platform 2 through bearings 5, the bearings 5 are arranged on the left side and the right side of the support platform 2, a plurality of threaded holes 6 are arranged on the support platform 2, the rear side of the support platform 2 is connected with longitudinal beams 7 which are vertically arranged, at least two cross beams 8 are connected between the longitudinal beams 7, a lever system 9 is connected on the cross beam 8 positioned in the middle part, this both ends movable from top to bottom of crossbeam 8 that is located the middle part are connected on longeron 7 to reciprocate along longeron 7 with the height of adjusting lever system 9, be connected with safety buckle 10 on the crossbeam 8 that is located the upper portion, lever system 9 upwards lifts up the back and fixes on crossbeam 8 through safety buckle 10, lever system 9 middle part is connected with the briquetting 11 of simulation sole size, briquetting 11 is pressed on balance car 1 after lever system 9 drops, briquetting 11 is used for producing perpendicular decurrent pressure to balance car 1, lever system 9 front end articulates there is lever pressure support 12.
The support platform 2 is provided with a pressure rail 13 and a screw 14 for compressing and fixing the balance car 1, the pressure rail 13 is in a strip plate shape and is longitudinally arranged along the front-back direction, the pressure rail 13 is arranged on the balance car 1 in a pressing mode, the pressure rail 13 is provided with a screw hole 15, the screw 14 which is vertically arranged penetrates through the screw hole 15, the bottom end of the screw 14 is connected with the threaded hole 6 in the support platform 2 in a matched mode and is screwed tightly through the threaded hole 6, and the front-back height of the pressure rail 13 is adjusted through the screw 14 so as to adjust the rotating speed of the balance car 1; at least two screw holes are arranged on the pressure rail, the at least two screw holes are distributed along the front-back direction, and the screw holes are strip-shaped holes extending along the front-back direction; the two pressing rails 13 are arranged symmetrically left and right, each pressing rail 13 is connected with two screws 14, and the two screws 14 are distributed along the front and back direction. The lever system 9 comprises a connecting arm 16 and a force arm 17, the connecting arm 16 is installed on the cross beam 8, the rear end of the force arm 17 is hinged with the connecting arm 16, the front end of the force arm 17 is hinged with the lever pressure support 12, and a weight 18 is fixed at the front end of the lever pressure support 12; a thermocouple wire 20 is pasted in the balance car 1, the other end of the thermocouple wire 20 is connected with a data acquisition instrument 21, and the data acquisition instrument 21 is used for acquiring and recording the temperature value of a certain point position on the balance car 1.
Electrodynamic balance car endurance test appearance, can carry out normal job simulation and endurance test to electrodynamic balance car according to the testing method of electrodynamic balance car operating characteristic and relevant product standard regulation. The instrument mainly comprises a support platform, a rotating shaft, a lever pressure support, weights, a safety buckle and the like. Wherein, support platform mainly plays each mechanical device of fixed and the effect of placing the balance car, but support platform installs 4 service brake's wheels, and the pivot part can be fixed to the left and right sides of platform, has a plurality of screwed screw holes of opening in the middle of the platform, and the screw rod can be twisted on at this screw hole, and lever system and safety button are being connected through two crossbeams to the platform rear side, and this crossbeam can be according to the height-adjusting of sample. When the balance car is placed on the rotating shaft of the support platform, the balance car can be compressed and fixed by 2 pressing rails, 4 screw rods and a plurality of nuts, as shown in the attached drawing 4, and the rotating speed of the balance car can be adjusted by adjusting the front and rear heights of the pressing rails. When the balance car was placed on the support platform, on two wheels of balance car should fixed the pivot, as shown in figure 4, the rubber sleeve with the wheel contact was the rubber material, had increased the frictional force of wheel and pivot to avoid wheel and pivot to produce relative movement, avoid producing slip frictional force, thereby when the simulation was normally ridden, the contact scene of wheel and ground. The force applied on the balance car can be transmitted to the two pressing blocks through the lever system, and vertical downward pressure is generated on the balance car. When the test is completed, the lever system can be lifted up, the lever system is fixed by the safety buckles, and when the test is started, the two safety buckles can be opened respectively, the lever system is lowered, and the safety operation of personnel is facilitated.
The utility model discloses during the test, put down lever pressure support, lever system's the arm of force is transferred to the horizontal direction, as shown in figure 5. According to the lever principle and the weight of the added weight, the pressure of the lever pressure support on the balance car can be calculated. The calculation method with weights is as follows:
firstly, a push-pull dynamometer is used for measuring the gravity applied by a lever system when a current lever pressure support is placed to the horizontal position and a weight is not added at a pressure block, and the assumption is that the gravity is 10N. From the lever dimensions of fig. 5, it can then be calculated that if a weight of 10N is applied, the weight force applied to the balance car should be F2-F1-L1/L2-10-600/240-25N. Namely F2: f1 ═ 2.5. If the standard requires to exert 35N pressure to the car, because the car has two foot pedal points, then, at this moment, subtract the pressure when lever pressure support does not add the weight after, every side lever only need increase 3N weight can. The weight is used for being fixed at the front end of the lever pressure support, and the weight of the weight to be added can be calculated according to the formula. The data acquisition instrument can acquire and record the temperature value of a certain point position on the balance car through a thermocouple wire.
The utility model discloses in, the discharge temperature rise test of balance car, its instrument erection mode is as follows figure 6, and operating procedure is as follows:
a, firstly, according to standard requirements, a tester pastes a temperature point to be monitored in a balance car by a thermocouple wire, and then the balance car is horizontally placed on a rotating shaft of a support platform upwards.
And B, lowering the lever pressure support, adjusting the lever pressure support, and keeping the force arm of the lever system horizontal when the pressing block presses two pedal points of the balance car.
And C, determining the load needing to be added to the balance car according to the standard, calculating the weight of the weight to be added according to the lever principle, and adding the corresponding weight.
And D, finally starting the data acquisition instrument, starting to record temperature data, opening a power key of the balance car, pressing the pressing rail onto the balance car, adjusting the wheel steering and rotating speed of the balance car by adjusting the height of the pressing rail, and keeping the balance car running stably. After the electric quantity of the built-in battery of the balance car is consumed, continuously collecting the data of temperature reduction for 1 hour, completing the test, recording the maximum temperature data of each thermocouple point, and comparing the maximum temperature data with the standard temperature limit value.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an electrodynamic balance car endurance test appearance which characterized in that: comprises a support platform (2) for placing a balance car (1), wheels (3) with foot brakes are installed at the bottom of the support platform (2), rotating shafts (4) which are transversely arranged are arranged on the support platform (2), the wheels of the balance car (1) are arranged on the rotating shafts (4), the two ends of each rotating shaft (4) are installed on the support platform (2) through bearings (5), the bearings (5) are installed on the left side and the right side of the support platform (2), a plurality of threaded holes (6) are formed in the support platform (2), the rear side of the support platform (2) is connected with longitudinal beams (7) which are vertically arranged, at least two transverse beams (8) are connected between the longitudinal beams (7), a lever system (9) is connected on the transverse beam (8) at the middle part, a safety buckle (10) is connected on the transverse beam (8) at the upper part, the lever system (9) is fixed on the transverse beam (8) through the safety buckle (10) after being, the balance car is characterized in that a pressing block (11) is connected to the middle of the lever system (9), the pressing block (11) presses the balance car (1) after the lever system (9) descends, the pressing block (11) is used for generating vertical downward pressure on the balance car (1), and a lever pressure support (12) is hinged to the front end of the lever system (9).
2. The electrodynamic balance car endurance test instrument of claim 1, further comprising: be equipped with on support platform (2) and be used for compressing tightly fixed pressure rail (13) and screw rod (14) to balance car (1), pressure rail (13) are bar platelike and follow fore-and-aft direction longitudinal arrangement, pressure rail (13) are pressed and are located on balance car (1), pressure rail (13) are gone up and have been seted up screw hole (15), and screw rod (14) of vertical arrangement pass screw hole (15), screw rod (14) bottom is connected with screw hole (6) cooperation on support platform (2) to turn round tightly through screw hole (6), pressure rail (13) are adjusted through screw rod (14) around the rotational speed of height in order to adjust balance car (1).
3. The electrodynamic balance car endurance test instrument of claim 2, further comprising: the screw rod hole on the pressure rail is provided with two at least, and two at least screw rod holes distribute along the fore-and-aft direction, the bar hole that the screw rod hole extends for along the fore-and-aft direction.
4. The electrodynamic balance car endurance test instrument of claim 3, further comprising: the two pressing rails (13) are arranged symmetrically left and right, each pressing rail (13) is connected with two screws (14), and the two screws (14) are distributed along the front and back directions.
5. The electrodynamic balance car endurance test instrument of claim 1, further comprising: the lever system (9) comprises a connecting arm (16) and a force arm (17), the connecting arm (16) is installed on the cross beam (8), the rear end of the force arm (17) is hinged to the connecting arm (16), the front end of the force arm (17) is hinged to the lever pressure support (12), and weights (18) are fixed to the front end of the lever pressure support (12).
6. The electrodynamic balance car endurance test instrument of claim 5, further comprising: the rubber sleeve (19) is sleeved on the rotating shaft (4), the rubber sleeve (19) is movably connected to the rotating shaft (4), and wheels of the balance car (1) are arranged on the rubber sleeve (19) and are in contact connection with the rubber sleeve (19).
7. The electrodynamic balance car endurance test instrument of claim 6, further comprising: the two ends of the cross beam (8) positioned in the middle are movably connected to the longitudinal beam (7) up and down, and move up and down along the longitudinal beam (7) to adjust the height of the lever system (9).
8. The electrodynamic balance car durability tester of any one of claims 1 to 7, wherein: the balance car is characterized in that a thermocouple wire (20) is pasted in the balance car (1), the other end of the thermocouple wire (20) is connected with a data acquisition instrument (21), and the data acquisition instrument (21) is used for acquiring and recording the temperature value of a certain point position on the balance car (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183974.9U CN210953411U (en) | 2019-12-09 | 2019-12-09 | Electrodynamic balance car endurance test appearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183974.9U CN210953411U (en) | 2019-12-09 | 2019-12-09 | Electrodynamic balance car endurance test appearance |
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| CN210953411U true CN210953411U (en) | 2020-07-07 |
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| CN201922183974.9U Active CN210953411U (en) | 2019-12-09 | 2019-12-09 | Electrodynamic balance car endurance test appearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823598A (en) * | 2019-12-09 | 2020-02-21 | 广州市立强仪器科技有限公司 | Electric balance car durability tester and testing method thereof |
| CN110823598B (en) * | 2019-12-09 | 2024-07-26 | 广州市立强仪器科技有限公司 | Electric balance car endurance tester and testing method thereof |
-
2019
- 2019-12-09 CN CN201922183974.9U patent/CN210953411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823598A (en) * | 2019-12-09 | 2020-02-21 | 广州市立强仪器科技有限公司 | Electric balance car durability tester and testing method thereof |
| CN110823598B (en) * | 2019-12-09 | 2024-07-26 | 广州市立强仪器科技有限公司 | Electric balance car endurance tester and testing method thereof |
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