CN117381690A - Switching equipment for vibration test of electric bicycle - Google Patents
Switching equipment for vibration test of electric bicycle Download PDFInfo
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- CN117381690A CN117381690A CN202311515489.1A CN202311515489A CN117381690A CN 117381690 A CN117381690 A CN 117381690A CN 202311515489 A CN202311515489 A CN 202311515489A CN 117381690 A CN117381690 A CN 117381690A
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- 238000012360 testing method Methods 0.000 title claims abstract description 101
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 18
- 230000001133 acceleration Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses switching equipment for an electric bicycle vibration test, which belongs to the field of electric bicycle testing equipment, and comprises a first bottom plate and an X/Z direction switching device, wherein the X/Z direction switching device adopts two symmetrically arranged switching components which are connected through a reinforcing structure, so that the strength and the reliability of the whole equipment are improved; the switching assembly comprises a top plate, a plurality of bolt holes which are arranged in an array are formed in the left side and the right side of the top plate X and are used for fixedly connecting the clamping mechanism, and the positions of the clamping mechanism can be adjusted according to different front-rear wheel distances; when the vibration test is carried out, the electric bicycle is placed on the switching equipment, the two front wheels and the rear wheels of the bicycle are clamped by the Y-direction two groups of clamping mechanisms, the switching equipment is fixed on the base of the test bed, the vibration test is started, the switching equipment can be matched with the existing test bed, the whole electric bicycle test in the X/Z direction is completed, and the test requirements under the existing industry standards are met.
Description
Technical Field
The invention belongs to the technical field of electric bicycle testing equipment, and particularly relates to switching equipment for an electric bicycle vibration test.
Background
The vibration test requirements for electric bicycles are as follows: acceleration level 19.6m/s 2 The frequency is 6-10 Hz, and the vibration frequency is 200000 times; however, the table top size of the existing vibration test tables of most companies cannot meet the above test requirements, and proper switching equipment needs to be developed and manufactured.
At present, special equipment for carrying out random and sweep frequency vibration tests on a whole bicycle is lacked in the field of testing, and the test is realized by modifying vibration equipment of large-sized vehicles (such as passenger cars and commercial vehicles), but the test effect is very limited due to poor matching degree after modification; in addition, the vibration test bed or equipment of the whole electric bicycle/frame in active service can only complete the vibration test of fixed frequency/acceleration, and can only perform the vibration test in the vertical (Y) direction, so that the test requirements under the existing industry standard can not be met at all.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the switching equipment for the vibration test of the electric bicycle, which can solve the technical problem that the existing switching equipment can only realize the test in the Y direction.
In order to achieve the above purpose, the present invention adopts the following technical contents:
an adapter device for vibration test of an electric bicycle comprises a first bottom plate;
the first bottom plate is provided with an X/Z direction switching device;
the X/Z direction switching device comprises two symmetrically arranged switching components, and the two switching components are connected through a reinforcing structure;
the switching assembly comprises a top plate which is fixedly connected to the first bottom plate; a plurality of bolt holes are respectively formed in the left side and the right side of the X on the top plate, and the bolt holes are arranged in an array manner; clamping mechanisms are respectively arranged on the left side and the right side of the top plate X, and the clamping mechanisms are connected with the top plate through the bolt holes;
when vibration test is carried out, the first bottom plate is connected to the test bed base.
Further, the device also comprises a Y-direction switching device;
the Y-direction switching device comprises a second bottom plate;
a plurality of first longitudinal reinforcing ribs are arranged on the second bottom plate side by side;
the first bottom plates are connected with the first longitudinal reinforcing ribs;
the Y-direction switching device and the axis of the X/Z-direction switching device are positioned on the same straight line;
the second base plate is attached to the test bed base when vibration testing is performed.
Further, a plurality of the first longitudinal reinforcing ribs are connected through first transverse reinforcing rib welding.
Further, the reinforcing structure adopts main reinforcing ribs connected side by side.
Further, the clamping mechanism comprises a tripod and an adjusting plate; the tripod is connected to the top plate through a bolt; the adjusting plate is connected to the inner side of the tripod and used for clamping and fixing the vehicle.
Further, two sides of the top plate in the X direction are respectively provided with a stretching plate; and the top end of the edge extension plate is connected with a lifting lug.
Further, the lifting lug is connected with a binding belt; when vibration test is carried out, the binding bands positioned at the front and the back of the Y are respectively used for binding and fixing the two ends of the handle bar of the tested sample and the saddle.
Further, the X/Z direction switching device is made of carbon steel.
Further, bolt holes are respectively formed in the two sides of the first bottom plate X, and a plurality of through holes are formed in the center of the first bottom plate X.
Further, the center of the top plate is provided with square holes and strip-shaped holes in rows along the Y direction.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides switching equipment for vibration test of an electric bicycle, which comprises a first bottom plate and an X/Z direction switching device, wherein the X/Z direction switching device adopts two symmetrically arranged switching components which are connected through a reinforcing structure, so that the strength and the reliability of the whole equipment are improved; the switching assembly comprises a top plate, a plurality of bolt holes which are arranged in an array are formed in the left side and the right side of the top plate X and are used for fixedly connecting the clamping mechanism, and the positions of the clamping mechanism can be adjusted according to different front-rear wheel distances; when the vibration test is carried out, the electric bicycle is placed on the switching device, the two front wheels and the rear wheels of the bicycle are clamped by utilizing the Y-direction two groups of clamping mechanisms, the switching device is fixed on a base of a test bed, the vibration test is started, the switching device can be matched with the existing test bed, the whole electric bicycle test in the X/Z direction is completed, and the test requirements under the existing industry standard are met; the switching equipment has simple structure and principle, is convenient to manufacture and use, and has good popularization and application values.
Preferably, in the invention, a Y-direction switching device is also arranged and is connected with the X/Z-direction switching device through the first bottom plate, which is equivalent to lengthening the X/Z-direction switching device in the Y direction, and the strength of the switching device is improved by adopting the arrangement of the first reinforcing ribs arranged side by side.
Further preferably, the plurality of first longitudinal reinforcing ribs arranged side by side of the Y-direction switching device adopt first transverse reinforcing ribs, and the transverse reinforcing ribs can further improve the reliability and strength of connection.
Preferably, in the invention, the clamping mechanism comprises a tripod and an adjusting plate, the tripod is fixed on the bolt holes arranged on the top plate array, the tripod is provided with strip-shaped holes, the mounting position of the tripod can be adjusted according to the distances between different front and rear wheels and the width of the wheels, and the relative distance between the adjusting plate and the tripod can also be adjusted so as to realize the adjustment of the clamping force of the wheels.
Preferably, in the invention, the extending plates are respectively arranged on the two sides of the top plate X direction, and the arrangement of the extending plates is similar to the wing of an airplane, so that the stability of the switching equipment in the test process can be increased; simultaneously, the top end of the extension plate is connected with a lifting lug; the hoist and mount connection anchor point when can assisting the utensil installation on the one hand, on the other hand, connect the bandage on the lug, bind up fixedly to the bicycle through the bandage, balance and stability of bicycle when keeping the test promote the degree of accuracy of test result.
Preferably, in the invention, the X/Z direction switching device is made of carbon steel, and the adopted materials are relatively common, so that the processing is simple, the manufacturing period is short, and the cost is controllable.
Preferably, in the invention, bolt holes for fixing the X/Z direction switching device or the Y direction switching device are respectively arranged on two sides of the first bottom plate in the X direction, a plurality of through holes are formed in the center of the first bottom plate, and rows of square holes and strip-shaped holes are formed in the center of the top plate in the Y direction; on the other hand, the design of the through hole has the function of enabling the welding rod for welding to have a welding angle and a distance, so that the welding between the connecting pieces is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an adapter device for vibration test of an electric bicycle according to embodiment 1 of the present invention;
fig. 2 is an exploded view of a switching device for vibration test of an electric bicycle according to embodiment 1 of the present invention;
fig. 3 is a working schematic diagram of an adapter device for vibration test of an electric bicycle according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a Y-direction switching device of a switching apparatus for vibration test of an electric bicycle according to embodiment 2 of the present invention;
fig. 5 is a working state diagram of a switching device for vibration test of an electric bicycle according to embodiment 2 of the present invention;
fig. 6 is a schematic diagram of a vibration test working state of the electric bicycle.
Reference numerals:
a first base plate-1; X/Z direction switching device-2; a top plate-3; bolt holes-4; a clamping mechanism-5; a main reinforcing rib-6; tripod-7; an adjusting plate-8; sample to be tested-9; along the extension plate-10; lifting lugs-11; a strap-12; a test bed base-13; y-direction switching device-14; a second base plate-15; a first longitudinal stiffener-16; a first transverse stiffener-17; second transverse reinforcing ribs-18; a third transverse stiffener-19; and a second longitudinal stiffener-20.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the following specific embodiments are used for further describing the invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The invention is described in further detail below with reference to the attached drawing figures:
example 1
In combination with the background technology, the test field lacks special equipment for carrying out random and sweep frequency vibration tests on the whole electric bicycle, and is realized by modifying the vibration equipment of large-sized vehicles (such as passenger vehicles and commercial vehicles), but the test effect is very limited due to poor matching degree after modification; in addition, the vibration test bed or equipment of the whole electric bicycle/frame in active service can only complete the vibration test of fixed frequency/acceleration, and can only perform the vibration test in the vertical (Y) direction, so that the test requirements under the existing industry standard can not be met at all. The specific standard is as follows: the clause "6.1.4" in the standard TGDDY 008-2023 "safety technical requirement for vehicle charger for electric bicycle" specifies: the charger is fixed on the vibrating table along with the whole car, and the acceleration, the frequency and the vibration times of the vibrating table are regulated according to the table 1, and the specific table is as follows:
table 1 shows vibration test parameters
| Acceleration m/s 2 | Frequency Hz | Vibration times |
| 19.6 | 6—10 | 200000 |
In order to solve the above problems, the present embodiment provides a switching device for vibration test of an electric bicycle, where the method of adding a special switching device on a fixed platform of a small and medium-sized full-factor test stand (which can realize random and sinusoidal sweep vibration with different accelerations at different frequencies) is used to solve the problem of completing vibration in three axial directions of the whole electric bicycle, namely x\y\z; the switching equipment can be used for covering most random and sweep frequency vibration test projects of electric bicycles in the market at present, expanding test capability and guaranteeing test safety; the equipment has a larger application range and has certain strength and fatigue margin.
The specific structure of this embodiment will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment provides a switching device for vibration test of an electric bicycle, comprising a first bottom plate 1; the first bottom plate 1 is provided with an X/Z direction switching device 2;
the X/Z direction switching device 2 comprises two symmetrically arranged switching components which are connected through a reinforcing structure; the reinforcing structure adopts the main reinforcing ribs 6 which are connected side by side, and in order to improve the structural strength of the main reinforcing ribs 6, horizontal transverse reinforcing ribs are added on the main reinforcing ribs 6;
specifically, as shown in fig. 2 and 3, the adapting assembly includes a top plate 3, where the top plate 3 is fixedly connected to the first bottom plate 1; a plurality of bolt holes 4 are respectively formed on the left side and the right side of the X on the top plate 3, and the plurality of bolt holes 4 are arranged in an array; the top plate 3 is provided with clamping mechanisms 5 on the left and right sides of the X, and the clamping mechanisms 5 are connected with the top plate 3 through bolt holes 4.
The clamping mechanism 5 comprises a tripod 7 and an adjusting plate 8; the tripod 7 is connected to the top plate 3 through bolts; the adjusting plate 8 is connected to the inner side of the tripod 7 for clamping and fixing the vehicle.
When the vibration test is performed, the first base plate 1 is attached to the test bed base 13.
As shown in fig. 6, when the vibration test is performed, the tested sample 9 (electric bicycle) is placed on the switching device, the two front and rear wheels of the bicycle are clamped by the Y-direction two groups of clamping mechanisms 5, the switching device is fixed on the test stand base 13, the vibration test is started, the switching device can be matched with the existing test stand to complete the whole electric bicycle test in the X/Z direction, and the test requirement under the existing industry standard is met.
In particular, the X/Z direction switching device 2 is made of carbon steel, and the adopted materials are common, so that the processing is simple, the manufacturing period is short, and the cost is controllable.
In addition, as shown in fig. 2 and 3, in order to increase the stability of the switching device in the test process, extension plates 10 are respectively arranged on two sides of the top plate 3 in the X direction; the extension plate 10 corresponds to the wing of the top plate 3; and be connected with lug 11 along stretching the top of board 10, the hoist and mount connection anchor point when the installation of utensil can be assisted in the lug 11 on the one hand, on the other hand connects bandage 12 on lug 11, when carrying out vibration test, the bandage 12 that is located Y around ties up respectively to the handlebar both ends and the saddle of survey sample 9 and fixes, can keep the balance and the stability of bicycle when testing, promotes the degree of accuracy of test result. The switching equipment is connected with the test bed base 13 through bolts, and is provided with the lifting lug 11 and the clamping mechanism 5, so that the electric bicycle can be fixed in a clamping and binding mode.
As shown in fig. 2, in this embodiment, in order to strengthen the switching device, and further enhance the structural strength and the vibration fatigue strength, a plurality of second transverse reinforcing ribs 18, third transverse reinforcing ribs 19 and second longitudinal reinforcing ribs 20 are arranged at the bottom of the top plate 3, and reinforcing rib structures are welded at each connecting position, so that the reliability of the device is ensured.
Example 2
As shown in fig. 4 and 5, the present embodiment provides another switching device for vibration test of an electric bicycle, which has the same basic structure as the embodiment, except that: the switching equipment also comprises a Y-direction switching device 14, wherein the Y-direction switching device 14 comprises a second bottom plate 15; meanwhile, a plurality of first longitudinal reinforcing ribs 16 are arranged on the second bottom plate 15 side by side, and the first bottom plate 1 is connected to the plurality of first longitudinal reinforcing ribs 16; the second bottom plate 15 is connected with the X/Z direction switching device 2 through a first longitudinal reinforcing rib 16; the axis of the Y-direction switching device 14 and the axis of the X/Z-direction switching device 2 are positioned on the same straight line. The second base plate 15 is attached to the test bed base 13 when vibration testing is performed. The arrangement of the Y-direction switching device 14 corresponds to lengthening the X/Z-direction switching device in the Y-direction, and the strength of the switching device is improved by adopting the arrangement of the first reinforcing ribs 16 arranged side by side.
The plurality of first longitudinal reinforcing ribs 16 are connected through the first transverse reinforcing ribs 17 in a welding mode, and reliability of the switching equipment in the Y-direction test is guaranteed.
In embodiment 1 and embodiment 2, bolt holes are respectively formed on two sides of the first bottom plate 1 and the second bottom plate 15 in the X direction, a plurality of through holes are formed in the center, and the through holes are large circular holes or elliptical holes; meanwhile, the center of the top plate 3 is provided with square holes and strip-shaped holes in rows along the Y direction; the structural design can reduce the weight of the equipment on the one hand on the basis of ensuring the strength of the equipment; on the other hand, the design of the through hole has the function of enabling the welding rod for welding to have a welding angle and a distance, so that the welding between the connecting pieces is facilitated.
In addition, the main bodies of the X/Z direction switching device 2 and the Y direction switching device 14 are manufactured by adopting a scheme of welding after linear cutting of common carbon steel plates, so that the strength can be ensured and the cost can be effectively controlled.
To sum up, the above embodiment provides a switching device for vibration test of electric bicycle, and the key point lies in:
1. in the embodiment, the adopted materials are common, the manufacturing period is short, the processing is simple, and the cost is controllable.
2. The X/Z direction switching device body fully considers the feasibility of welding and the influence of the reciprocating force during X/Z axis vibration on the fatigue strength.
3. The design scheme of the Y-direction test equipment is completed by combining the X/Z-direction switching device and the Y-direction switching device, and has the advantages of being capable of avoiding redesigning the Y-direction switching device and having good economy.
4. In the design method, the feasibility of welding is emphasized, and the solidworks design software is utilized, so that the holes on the equipment have the functions of reducing weight and enabling the welding rod for welding to have a welding angle and a distance.
In summary, the invention provides a switching device for vibration test of an electric bicycle, which has the following advantages compared with the existing switching device:
1. the invention avoids redesigning and manufacturing the special sweep frequency and random vibration test bed for the electric bicycle, saves social resources and construction sites and cost of test laboratories of inspection institutions, and fully utilizes the existing and common full-factor vibration test bed.
2. The equipment main body fully considers the feasibility of welding and the influence of the reciprocating force on the fatigue strength during vibration, and has the advantages of less material consumption and good practical effect.
3. The equipment main body is provided with the installation lifting lug, and the lifting lug can be used for assisting in fixing a test sample and can be used as a lifting connection anchor point for assisting in installation.
4. Unlike common welding machines, which only weld peripheral or outer positions, the device has an optimized design of openings and other structures, so that the inner joints can be welded, and the structural strength and the vibration fatigue strength are enhanced.
The above embodiment is only one of the implementation manners capable of implementing the technical solution of the present invention, and the scope of the claimed invention is not limited to the embodiment, but also includes any changes, substitutions and other implementation manners easily recognized by those skilled in the art within the technical scope of the present invention.
Claims (10)
1. The switching device for the vibration test of the electric bicycle is characterized by comprising a first bottom plate (1);
an X/Z direction switching device (2) is arranged on the first bottom plate (1);
the X/Z direction switching device (2) comprises two symmetrically arranged switching components, and the two switching components are connected through a reinforcing structure;
the switching assembly comprises a top plate (3), and the top plate (3) is fixedly connected to the first bottom plate (1); a plurality of bolt holes (4) are respectively formed in the left side and the right side of the X on the top plate (3), and the plurality of bolt holes (4) are arranged in an array; clamping mechanisms (5) are respectively arranged on the left side and the right side of the top plate (3X), and the clamping mechanisms (5) are connected with the top plate (3) through the bolt holes (4);
when vibration test is performed, the first bottom plate (1) is connected to the test bed base (13).
2. The switching device for vibration test of electric bicycle according to claim 1, further comprising a Y-direction switching means (14);
the Y-direction switching device (14) comprises a second bottom plate (15);
a plurality of first longitudinal reinforcing ribs (16) are arranged on the second bottom plate (15) side by side;
a plurality of first longitudinal reinforcing ribs (16) are connected with the first bottom plate (1);
the Y-direction switching device (14) and the axis of the X/Z-direction switching device (2) are positioned on the same straight line;
the second base plate (15) is connected to the test bed base (13) when vibration testing is performed.
3. The switching device for vibration test of electric bicycle according to claim 2, wherein a plurality of the first longitudinal ribs (16) are welded together by a first transverse rib (17).
4. The switching device for vibration test of electric bicycle according to claim 1, characterized in that the reinforcing structure adopts main reinforcing ribs (6) connected side by side.
5. The switching device for vibration test of electric bicycles according to claim 1, characterized in that the clamping mechanism (5) comprises a tripod (7) and an adjusting plate (8); the tripod (7) is connected to the top plate (3) through bolts; the adjusting plate (8) is connected to the inner side of the tripod (7) and used for clamping and fixing the vehicle.
6. The switching device for vibration test of electric bicycle according to claim 1, wherein the top plate (3) is provided with a extending plate (10) on each side in X-direction; the top end of the extending plate (10) is connected with a lifting lug (11).
7. The switching device for vibration test of electric bicycle according to claim 6, wherein the lifting lug (11) is connected with a binding band (12); when vibration test is carried out, the binding bands (12) positioned at the front and rear of the Y are respectively used for binding and fixing the two ends of the handle bar of the tested sample (9) and the saddle.
8. The switching device for vibration test of electric bicycle according to claim 1, wherein the X/Z direction switching device (2) is made of carbon steel.
9. The switching device for vibration test of electric bicycle according to claim 1, wherein the first bottom plate (1) is provided with bolt holes on both sides in X direction, and a plurality of through holes are provided in the center.
10. The switching device for vibration test of electric bicycle according to claim 1, wherein the center of the top plate (3) is provided with square holes and bar holes in rows along the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311515489.1A CN117381690A (en) | 2023-11-14 | 2023-11-14 | Switching equipment for vibration test of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311515489.1A CN117381690A (en) | 2023-11-14 | 2023-11-14 | Switching equipment for vibration test of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117381690A true CN117381690A (en) | 2024-01-12 |
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ID=89439199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311515489.1A Pending CN117381690A (en) | 2023-11-14 | 2023-11-14 | Switching equipment for vibration test of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117381690A (en) |
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2023
- 2023-11-14 CN CN202311515489.1A patent/CN117381690A/en active Pending
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