CN210322575U - Children bicycle balance wheel strength testing machine - Google Patents
Children bicycle balance wheel strength testing machine Download PDFInfo
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- CN210322575U CN210322575U CN201920343410.4U CN201920343410U CN210322575U CN 210322575 U CN210322575 U CN 210322575U CN 201920343410 U CN201920343410 U CN 201920343410U CN 210322575 U CN210322575 U CN 210322575U
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Abstract
The utility model provides a children bicycle stabilizer intensity detection testing machine, including base, back-and-forth movement mechanism, test piece mount, loading mechanism mount and loading mechanism, loading mechanism includes riser, gear motor and application of force mechanism. The test piece fixing frame is used for fixing the test piece fixing frame on the test piece fixing frame, and the force application plate of the force application mechanism is vertically opposite to the balance wheel of the child bicycle, so that the vertical load test is automatically carried out; then the force application plate of the force application mechanism is vertically opposite to the balance wheel of the children bicycle through the rotation of the speed reduction motor, and the longitudinal load test is automatically carried out; the loading servo motor and the force sensor can be used for reliably, stably and accurately realizing the loading process, and the displacement sensor can be used for accurately measuring the offset of the balance wheel; the test piece is only required to be clamped once, the test on the vertical load and the longitudinal load of the balance wheel is automatically completed, the operation is simple and convenient, the labor intensity is low, the safety is high, and the detection efficiency and the measurement precision are greatly improved.
Description
Technical Field
The utility model relates to a children's bicycle check out test set technical field specifically is a children's bicycle balance wheel strength testing machine.
Background
The balance wheel of the children bicycle refers to auxiliary wheels at two sides of the rear wheel of the children bicycle, and is helpful for a rider to keep balance. In order to guarantee the riding safety of children, the riding safety of the children is determined according to the international standard ISO 8098: 2014 bicycle-child bicycle safety requirements and national standard GB 14746-. The strength detection of the balance wheel of the children bicycle comprises a balance wheel vertical load test and a balance wheel longitudinal load test.
Traditional children bicycle balance wheel intensity detects is fixed the back to the bicycle, and manual operation loading 300N's weight is on the balance wheel, and it is impactless to hardly control steady loading at every turn, and the loading makes testing personnel's intensity of labour greatly increased repeatedly in turn on the especially balance wheel, what adopt moreover is that traditional ruler or tape measure the balance wheel permanent deformation, and measuring error is very big, and measurement accuracy hardly guarantees.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a testing machine for testing the strength of a balance wheel of a children bicycle.
In order to achieve the above object, the technical solution of the present invention is: a children's bicycle balance wheel strength testing machine includes:
a base;
a forward-backward moving mechanism mounted on the base;
the test piece fixing frame is used for fixing the child bicycle to be detected, and the bottom of the test piece fixing frame is fixed on the sliding plate of the front-back moving mechanism;
the bottom of the loading mechanism fixing frame is fixedly arranged on the base;
the loading mechanism comprises a vertical plate, a speed reducing motor and a force application mechanism, the vertical plate is vertically arranged on a loading mechanism fixing frame, the speed reducing motor is horizontally fixed on the vertical plate, the force application mechanism comprises a rotating bracket, a loading servo motor, a loading force application machine, a force sensor, a force application plate and a displacement sensor, the rotating bracket is connected to an output shaft of the speed reducing motor, the loading force application machine is arranged on the rotating bracket, the loading servo motor is connected to the input end of the loading force application machine, the force application plate is connected to a telescopic shaft of the loading force application machine through the force sensor, and the displacement sensor is arranged between the force application plate and the rotating bracket; the loading servo motor rotates to drive the telescopic shaft of the loading force application machine to stretch and contract, so that the force application plate is driven to apply pressure to the balance wheel of the child bicycle; the speed reduction motor drives the force application mechanism to rotate, and vertical load and longitudinal load can be applied to the balance wheel of the children bicycle by the force application mechanism in a grading manner.
Compared with the prior art, the utility model has the advantages that the child bicycle to be tested is arranged on the test piece fixing frame, the force application plate of the force application mechanism is vertically aligned to the balance wheel of the child bicycle, and the vertical load test is automatically carried out; then the force application plate of the force application mechanism is vertically opposite to the balance wheel of the children bicycle through the rotation of the speed reduction motor, and the longitudinal load test is automatically carried out; the loading servo motor and the force sensor can be used for reliably, stably and accurately realizing the loading process, and the displacement sensor can be used for accurately measuring the offset of the balance wheel; the test piece is clamped once only, the test on the vertical load and the longitudinal load of the balance wheel is automatically completed, the operation is simple and convenient, the labor intensity is low, the safety is high, the detection efficiency and the measurement precision are greatly improved, various random errors in the detection process are effectively reduced, and the test piece can fully meet the international standard ISO 8098: 2014 bicycle-child bicycle safety requirements and national standard GB 14746-.
Further, the test piece fixing frame comprises a first stand column, a first guide column, a bicycle saddle pipe clamp and a bicycle front wheel clamp, the first stand column is vertically fixed on a moving seat of the front-back moving mechanism, the first guide column is arranged in parallel with the first stand column, the bicycle saddle pipe clamp is installed on the first stand column and the first guide column through a first up-down moving mechanism, and the bicycle front wheel clamp is installed on the first stand column and the first guide column through a second up-down moving mechanism.
Adopt above-mentioned preferred scheme, can be convenient for adjust the relative application of force mechanism's of test piece front and back position through back-and-forth movement mechanism, can adjust the upper and lower height of bicycle saddle pipe anchor clamps and bicycle front wheel anchor clamps respectively through first reciprocating mechanism and second reciprocating mechanism to the clamping is stabilized to the convenience is carried out different models children bicycle.
Further, the bicycle saddle pipe clamp comprises a saddle pipe fixing seat and a pressing block, the saddle pipe fixing seat is mounted on a moving seat of the first up-and-down moving mechanism through a connecting plate, and the bicycle saddle pipe is clamped between the saddle pipe fixing seat and the pressing block.
Further, bicycle front wheel anchor clamps quantity is two sets of, is located children's bicycle's both sides respectively, and every group bicycle front wheel anchor clamps all include support arm, lead screw seat and take-up pulley lead screw, the support arm is installed on the second removal seat that reciprocates the mechanism through the connecting plate, the lead screw seat is installed on the support arm, the take-up pulley lead screw is installed on the lead screw seat, the both sides at bicycle front wheel center pin are pressed respectively in the tip of the take-up pulley lead screw of two sets of bicycle front wheel anchor clamps.
Adopt above-mentioned preferred scheme, can carry out quick centre gripping to children bicycle's saddle pipe and front wheel center pin, realize clamping speed and stability.
Further, the loading mechanism fixing frame comprises a second upright column, a cross rod and a third up-down moving mechanism, the second upright column is vertically fixed on the base, the cross rod is arranged on the second upright column in a liftable mode, and the cross rod is further connected to a moving seat of the third up-down moving mechanism.
Furthermore, the number of the loading mechanisms is two, and the vertical plates of each group of loading mechanisms are movably arranged on the cross rods.
By adopting the preferable scheme, the loading mechanism can be conveniently adjusted in the vertical position and the horizontal position.
Furthermore, 1/4 circular arc tracks with the center of the output shaft of the speed reducing motor as the center of a circle are further arranged on the vertical plate, guide wheels sliding along the 1/4 circular arc tracks are arranged on the rotating support, and when the guide wheels are located at the two end positions of the 1/4 circular arc tracks, the force application plate can respectively apply vertical loads and longitudinal loads to the balance wheel of the children bicycle.
By adopting the preferable scheme, the steering stability and the positioning accuracy of the force application mechanism are improved, and the test efficiency is improved.
The loading servo motor, the force sensor and the displacement sensor are connected with the master control module through signals, the master control module receives pressure data signals detected by the force sensor and force application plate position data signals detected by the position sensor, and after processing, the master control module sends command signals for controlling the loading servo motor to act.
Further, after the pressure detected by the force sensor reaches a pressure set value, the rotating speed of the loading servo motor is gradually reduced; and after the pressure detected by the force sensor reaches a pressure limit value, the loading servo motor stops rotating.
Furthermore, the controller further comprises a loading timing module for controlling loading time, the loading timing module is in signal connection with the main control module, the main control module sends out an instruction for controlling the loading timing module to start timing after processing the pressure data signal detected by the force sensor, the loading timing module sends the time data signal to the main control module, and the main control module sends out an instruction signal for controlling the loading servo motor to act after processing.
By adopting the preferable scheme, the servo motor and the force sensor are utilized to realize automatic loading through the controller. In the loading process of the servo motor, the force sensor feeds the loaded force value back to the controller in real time, and the controller adjusts the loading speed and the loading direction according to the feedback value, so that the loading process can be stably and accurately realized; when the load applied on the balance wheel reaches the standard requirement, the controller starts to carry out high-precision timing through the internal clock module, and when the loading time is reached, the controller controls the loading servo motor to unload, and the timing precision can reach millisecond level; in the measuring process, the offset and the permanent deformation of the balance wheel are measured by using the high-precision displacement sensor fixed on the rotating support, the measuring precision is greatly improved compared with that of the traditional measuring mode, the thickness can reach 0.01mm, and automatic measurement and data storage can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic structural view of a test piece holder according to an embodiment of the present invention;
FIG. 5 is a schematic view of a test piece holder according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a loading mechanism fixing frame according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a loading mechanism according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a loading mechanism according to an embodiment of the present invention;
fig. 9 is a left side view of fig. 8.
Names of corresponding parts represented by numerals and letters in the drawings:
1-a base; 2-a back-and-forth movement mechanism; 3-a test piece fixing frame; 31-a first upright; 32-a first guide pillar; 33-bicycle saddle tube clamp; 331-saddle pipe fixing seat; 332-briquetting; 34-a first up-and-down moving mechanism; 35-bicycle front wheel clamp; 351-a support arm; 352-screw base; 353, a top wheel screw rod; 36-a second up-and-down moving mechanism; 4-loading mechanism fixing frame; 41-a second upright; 42-a cross-bar; 43-a third up-and-down moving mechanism; 5-a loading mechanism; 51-vertical plate; 511-1/4 circular arc orbit; 52-a reduction motor; 53-rotating the support; 531-guide wheel; 54-load servo motor; 55-loading a force application machine; 56-force sensor; 57-a force application plate; 58-displacement sensor; 6-children bicycle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 9, an embodiment of the present invention is: a children's bicycle balance wheel strength testing machine includes:
a base 1;
a forward-backward moving mechanism 2 installed on the base 1;
the test piece fixing frame 3 is used for fixing the child bicycle 6 to be detected, and the bottom of the test piece fixing frame is fixed on the sliding plate of the front-back moving mechanism 2;
the bottom of the loading mechanism fixing frame 4 is fixedly arranged on the base 1;
the loading mechanism 5 comprises a vertical plate 51, a speed reducing motor 52 and a force application mechanism, the vertical plate 51 is vertically arranged on the loading mechanism fixing frame 4, the speed reducing motor 52 is horizontally fixed on the vertical plate 51, the force application mechanism comprises a rotating bracket 53, a loading servo motor 54, a loading force application machine 55, a force sensor 56, a force application plate 57 and a displacement sensor 58, the rotating bracket 53 is connected to an output shaft of the speed reducing motor 52, the loading force application machine 55 is installed on the rotating bracket 53, the loading servo motor 54 is connected to the input end of the loading force application machine 55, a transmission mechanism is included in a shell of the loading force application machine 55, the loading force application machine 55 converts the rotating motion of the input end loading servo motor 54 into the telescopic motion of a telescopic shaft of the loading force application machine through the transmission mechanism, the force application plate 57 is connected to the telescopic shaft of the loading force application machine 55 through the force sensor 56, and the displacement sensor 58 is installed between the force application plate 57 and the rotating bracket 53; the loading servo motor 54 rotates to drive the telescopic shaft of the loading force application machine 55 to stretch and contract, and further drives the force application plate 57 to apply pressure to the balance wheel of the child bicycle; the gear motor 52 drives the force application mechanism to rotate, and the vertical load and the longitudinal load can be applied to the balance wheel of the children bicycle by the force application mechanism in a grading manner.
The beneficial effect of adopting above-mentioned technical scheme is: the method comprises the following steps that (1) a child bicycle 6 to be tested is installed on a test piece fixing frame 3, a force application plate 57 of a force application mechanism is vertically opposite to a balance wheel of the child bicycle, and vertical load testing is automatically carried out; then the force application plate 57 of the force application mechanism is vertically opposite to the balance wheel of the children bicycle through the rotation of the speed reduction motor 52, and the longitudinal load test is automatically carried out; the loading servo motor and the force sensor can be used for reliably, stably and accurately realizing the loading process, and the displacement sensor can be used for accurately measuring the offset of the balance wheel; the test piece is clamped once only, the test on the vertical load and the longitudinal load of the balance wheel is automatically completed, the operation is simple and convenient, the labor intensity is low, the safety is high, the detection efficiency and the measurement precision are greatly improved, various random errors in the detection process are effectively reduced, and the test piece can fully meet the international standard ISO 8098: 2014 bicycle-child bicycle safety requirements and national standard GB 14746-.
As shown in fig. 4 and 5, in other embodiments of the present invention, the test piece holder 3 includes a first column 31, a first guide post 32, a bicycle saddle pipe clamp 33, a bicycle front wheel clamp 35, the first column 31 is vertically fixed on the moving seat of the front-back moving mechanism 2, the first guide post 32 is parallel to the first column 31, the bicycle saddle pipe clamp 33 is installed on the first column 31 and the first guide post 32 through a first up-down moving mechanism 34, and the bicycle front wheel clamp 35 is installed on the first column 31 and the first guide post 32 through a second up-down moving mechanism 36. The beneficial effect of adopting above-mentioned technical scheme is: the front and back positions of the test piece relative to the force application mechanism can be conveniently adjusted through the front and back moving mechanism, the upper and lower heights of the bicycle saddle pipe clamp and the bicycle front wheel clamp can be respectively adjusted through the first up-down moving mechanism and the second up-down moving mechanism, and therefore the children bicycles of different models can be conveniently and stably clamped.
As shown in fig. 2, 4 and 5, in another embodiment of the present invention, the bicycle saddle pipe clamp 33 includes a saddle pipe fixing seat 331 and a pressing block 332, the saddle pipe fixing seat 331 is mounted on the movable seat of the first up-down moving mechanism 34 through a connecting plate, and the bicycle saddle pipe is clamped between the saddle pipe fixing seat 331 and the pressing block 332. The bicycle front wheel clamp 35 quantity is two sets ofly, is located children's bicycle's both sides respectively, and every group bicycle front wheel clamp all includes support arm 351, screw seat 352 and top wheel lead screw 353, and support arm 351 installs on the removal seat of second mechanism 36 that reciprocates through the connecting plate, and screw seat 352 is installed on support arm 351, and top wheel lead screw 353 installs on screw seat 352, and the both sides at the bicycle front wheel center pin are pressed respectively in the top of the end of the top wheel lead screw 353 of two sets of bicycle front wheel clamps. The beneficial effect of adopting above-mentioned technical scheme is: can carry out quick centre gripping to children bicycle's saddle pipe and front wheel center pin, realize clamping speed and stability.
As shown in fig. 6, in other embodiments of the present invention, the loading mechanism fixing frame 4 includes a second upright 41, a cross bar 42 and a third vertical moving mechanism 43, the second upright 41 is vertically fixed on the base 1, the cross bar 42 is installed on the second upright 41 in a liftable manner, and the cross bar 42 is further connected to a moving seat of the third vertical moving mechanism 43. The number of the loading mechanisms 5 is two, and the vertical plate 51 of each loading mechanism is movably arranged on the cross rod 42. The beneficial effect of adopting above-mentioned technical scheme is: the loading mechanism can be conveniently adjusted in the vertical position and the left-right position.
As shown in fig. 8 and 9, in another embodiment of the present invention, the riser 51 is further provided with an 1/4 arc track 511 using the center of the output shaft of the reduction motor as the center of the circle, the rotating bracket 53 is provided with a guide wheel 531 sliding along the 1/4 arc track 511, and when the guide wheel 531 is at the two end positions of the 1/4 arc track 511, the force applying plate 57 can apply vertical load and longitudinal load to the balance wheel of the children bicycle respectively. The beneficial effect of adopting above-mentioned technical scheme is: the steering stability and the positioning accuracy of the force application mechanism are improved, and the test efficiency is improved.
The utility model provides a moving mechanism's form does not do the injecion, and back-and-forth movement mechanism, first reciprocating mechanism, second reciprocating mechanism can adopt the lead screw pair that shows in the drawing, also can adopt among the prior art conveyer belt or drive chain to realize the mechanism of translation. In order to further improve the stability, the moving mechanism can also be matched with a sliding rail, and the power form can be manually adjusted by adopting a motor drive or a hand lever.
The utility model discloses an in other embodiments, still include the controller, the controller includes host system, loading servo motor, force sensor and displacement sensor all with host system signal connection, host system receives the force application board position data signal that pressure data signal and position sensor that force sensor was examined and is known sends control after the processing the instruction signal of loading servo motor action. After the pressure detected by the force sensor reaches a pressure set value, the rotating speed of the loading servo motor is gradually reduced; and after the pressure detected by the force sensor reaches a pressure limit value, the loading servo motor stops rotating. The controller further comprises a loading timing module used for controlling loading duration, the loading timing module is in signal connection with the main control module, the main control module sends a command for controlling the loading timing module to start timing after processing the pressure data signal detected by the force sensor, the loading timing module sends a duration data signal to the main control module, and the main control module sends a command signal for controlling the loading servo motor to act after processing. The beneficial effect of adopting above-mentioned technical scheme is: automatic loading is achieved through a controller by means of a servo motor and a force sensor. In the loading process of the servo motor, the force sensor feeds the loaded force value back to the controller in real time, and the controller adjusts the loading speed and the loading direction according to the feedback value, so that the loading process can be stably and accurately realized; when the load applied on the balance wheel reaches the standard requirement, the controller starts to carry out high-precision timing through the internal clock module, and when the loading time is reached, the controller controls the loading servo motor to unload, and the timing precision can reach millisecond level; in the measuring process, the offset and the permanent deformation of the balance wheel are measured by using the high-precision displacement sensor fixed on the rotating support, the measuring precision is greatly improved compared with that of the traditional measuring mode, the thickness can reach 0.01mm, and automatic measurement and data storage can be realized.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a children bicycle stabilizer wheel intensity detection testing machine which characterized in that includes:
a base;
a forward-backward moving mechanism mounted on the base;
the test piece fixing frame is used for fixing the child bicycle to be detected, and the bottom of the test piece fixing frame is fixed on the sliding plate of the front-back moving mechanism;
the bottom of the loading mechanism fixing frame is fixedly arranged on the base;
the loading mechanism comprises a vertical plate, a speed reducing motor and a force application mechanism, the vertical plate is vertically arranged on a loading mechanism fixing frame, the speed reducing motor is horizontally fixed on the vertical plate, the force application mechanism comprises a rotating bracket, a loading servo motor, a loading force application machine, a force sensor, a force application plate and a displacement sensor, the rotating bracket is connected to an output shaft of the speed reducing motor, the loading force application machine is arranged on the rotating bracket, the loading servo motor is connected to the input end of the loading force application machine, the force application plate is connected to a telescopic shaft of the loading force application machine through the force sensor, and the displacement sensor is arranged between the force application plate and the rotating bracket; the loading servo motor rotates to drive the telescopic shaft of the loading force application machine to stretch and contract, so that the force application plate is driven to apply pressure to the balance wheel of the child bicycle; the speed reduction motor drives the force application mechanism to rotate, and vertical load and longitudinal load can be applied to the balance wheel of the children bicycle by the force application mechanism in a grading manner.
2. The testing machine for testing the strength of the balance wheel of the children bicycle according to claim 1, wherein the test piece fixing frame comprises a first upright post, a first guide post, a bicycle saddle pipe clamp and a bicycle front wheel clamp, the first upright post is vertically fixed on a moving seat of the back-and-forth moving mechanism, the first guide post is arranged in parallel with the first upright post, the bicycle saddle pipe clamp is installed on the first upright post and the first guide post through a first up-and-down moving mechanism, and the bicycle front wheel clamp is installed on the first upright post and the first guide post through a second up-and-down moving mechanism.
3. The testing machine for testing the strength of the balance wheel of the children's bicycle according to claim 2, wherein the bicycle saddle pipe clamp comprises a saddle pipe fixing seat and a pressing block, the saddle pipe fixing seat is mounted on the moving seat of the first vertical moving mechanism through a connecting plate, and the bicycle saddle pipe is clamped between the saddle pipe fixing seat and the pressing block.
4. The testing machine for testing the strength of the balance wheel of the children bicycle according to claim 3, wherein the number of the front wheel clamps of the bicycle is two, the front wheel clamps are respectively arranged at two sides of the children bicycle, each front wheel clamp of the bicycle comprises a support arm, a screw rod seat and a top wheel screw rod, the support arm is arranged on a moving seat of the second up-down moving mechanism through a connecting plate, the screw rod seat is arranged on the support arm, the top wheel screw rod is arranged on the screw rod seat, and the end parts of the top wheel screw rods of the two front wheel clamps of the bicycle respectively push against two sides of a central shaft of the front wheel of the bicycle.
5. The testing machine for testing strength of balance wheels of children's bicycles, according to claim 1, wherein the loading mechanism fixing frame comprises a second upright, a cross bar and a third up-down moving mechanism, the second upright is vertically fixed on the base, the cross bar is installed on the second upright in a liftable manner, and the cross bar is further connected to a moving seat of the third up-down moving mechanism.
6. The testing machine for testing the strength of the balance wheel of the children's bicycle according to claim 5, wherein the number of the loading mechanisms is two, and the vertical plate of each loading mechanism is movably mounted on the cross bar.
7. The testing machine for testing the strength of the balance wheel of the children's bicycle as claimed in claim 1, wherein the vertical plate is further provided with an 1/4 arc track centered on the center of the output shaft of the speed reduction motor, the rotating bracket is provided with a guide wheel sliding along the 1/4 arc track, and the force application plate can apply vertical load and longitudinal load to the balance wheel of the children's bicycle respectively when the guide wheel is located at the two end points of the 1/4 arc track.
8. The testing machine for testing the strength of the balance wheel of the children bicycle according to claim 1, further comprising a controller, wherein the controller comprises a main control module, the loading servo motor, the force sensor and the displacement sensor are all in signal connection with the main control module, the main control module receives the pressure data signal detected by the force sensor and the force application plate position data signal detected by the position sensor, and sends out a command signal for controlling the action of the loading servo motor after processing.
9. The testing machine for testing the strength of the balance wheel of the children's bicycle according to claim 8, wherein the rotation speed of the loading servo motor is gradually reduced after the pressure detected by the force sensor reaches a pressure set value; and after the pressure detected by the force sensor reaches a pressure limit value, the loading servo motor stops rotating.
10. The testing machine for testing the strength of the balance wheel of the children's bicycle according to claim 9, wherein the controller further comprises a loading timing module for controlling loading duration, the loading timing module is in signal connection with the main control module, the main control module sends out a command for controlling the loading timing module to start timing after processing the pressure data signal detected by the force sensor, the loading timing module sends out a duration data signal to the main control module, and the main control module sends out a command signal for controlling the loading servo motor to act after processing the duration data signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343410.4U CN210322575U (en) | 2019-03-18 | 2019-03-18 | Children bicycle balance wheel strength testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920343410.4U CN210322575U (en) | 2019-03-18 | 2019-03-18 | Children bicycle balance wheel strength testing machine |
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| CN210322575U true CN210322575U (en) | 2020-04-14 |
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| CN201920343410.4U Active CN210322575U (en) | 2019-03-18 | 2019-03-18 | Children bicycle balance wheel strength testing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813603A (en) * | 2019-03-18 | 2019-05-28 | 中华人民共和国邢台海关 | A kind of child's bicycle stabilizer intensity detection testing machine |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
-
2019
- 2019-03-18 CN CN201920343410.4U patent/CN210322575U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813603A (en) * | 2019-03-18 | 2019-05-28 | 中华人民共和国邢台海关 | A kind of child's bicycle stabilizer intensity detection testing machine |
| CN109813603B (en) * | 2019-03-18 | 2024-05-03 | 中华人民共和国邢台海关 | Balance wheel strength detection testing machine for children bicycle |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
| CN113959550B (en) * | 2021-09-28 | 2023-05-23 | 无锡市检验检测认证研究院 | Unequal arm balance loading unit, ground balance verification device and ground balance verification method |
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Inventor after: Tian Zhipeng Inventor after: Yu Yangyang Inventor after: Shang Jianxiao Inventor after: Tao Zecheng Inventor before: Tian Zhiming Inventor before: Yu Yangyang Inventor before: Shang Jianxiao Inventor before: Tao Zecheng |
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