CN219757955U - Balance wheel load strength testing machine for children bicycle - Google Patents
Balance wheel load strength testing machine for children bicycle Download PDFInfo
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- CN219757955U CN219757955U CN202320745594.3U CN202320745594U CN219757955U CN 219757955 U CN219757955 U CN 219757955U CN 202320745594 U CN202320745594 U CN 202320745594U CN 219757955 U CN219757955 U CN 219757955U
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 abstract description 14
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The utility model discloses a balance wheel load strength testing machine for a children bicycle, which comprises a frame, a fixing mechanism, a force application mechanism, a first lifting adjusting device and a main control unit, wherein the fixing mechanism is arranged on the frame; the fixing mechanism comprises a front wheel clamp assembly, a rear wheel clamp assembly and a saddle clamp assembly, and the force application mechanism comprises a loading hanging rope, a loading weight, a second lifting adjusting device, a second linear sliding rail and a displacement sensor; one end of the loading hanging rope is connected with the balance wheel, the other end of the loading hanging rope is connected with the loading weight, the loading weight is arranged on the second linear sliding rail and is movably arranged along the vertical extension direction of the second linear sliding rail, and the loading weight can be vertically movably arranged on the second lifting adjusting device, so that the loading weight can adapt to children bicycles of different types and sizes, and the vertical load test can be automatically carried out, so that the offset of the balance wheel can be accurately measured; and the balance wheel vertical load test is automatically completed, so that the detection efficiency and the measurement accuracy are improved, and the error in the detection process is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of children bicycle detection equipment, in particular to a balance wheel load strength testing machine for children bicycles.
Background
The balance wheel of the children bicycle is auxiliary wheels on two sides of the rear wheel of the children bicycle, which is helpful for a rider to keep balance. In order to ensure riding safety of children, the international standard ISO8098: related requirements for the strength test of the balance wheel of the children bicycle in 2014 'bicycle-children bicycle safety requirement' and national standard GB 14746-2006 'children bicycle safety requirement'. The balance wheel strength detection of the children bicycle comprises a balance wheel vertical load test and a balance wheel longitudinal load test.
The traditional children bicycle balance wheel strength detection is that after the bicycle is fixed, a weight with 300N is manually operated and loaded on the balance wheel, the stable loading of each time is difficult to control, and particularly, the repeated and alternate loading on the balance wheel enables the labor intensity of detection personnel to be greatly increased, and the traditional steel ruler or steel tape is adopted to measure the permanent deformation of the balance wheel, so that the measurement error is large, and the measurement precision is difficult to guarantee.
Later on, a testing arrangement that detects children's bicycle stabilizer load appears on the market, for example CN216433551U, and it is including T type seat, the equal fixedly connected with support hoop in top both ends intermediate position of T type seat, and the both ends top of support hoop all articulates there is the locking hoop, and one side of locking hoop is provided with same first actuating mechanism, open the top one end of T type seat has the transverse slot, and the equal sliding connection in top both ends of transverse slot has the mounting panel, and the bottom of mounting panel is provided with same second actuating mechanism, and the equal fixedly connected with test equipment body in one side bottom of mounting panel changes the inclination of buffer frame and locking hoop for the locking hoop chucking is on two main wheels of children's bicycle, is convenient for preliminary firm handling to children's bicycle when testing, the buffer frame comprises expansion frame and telescopic link, and the telescopic link peg graft in the inside of expansion frame, fixedly connected with second spring between the bottom of telescopic link and the bottom of expansion frame, but this kind of testing arrangement has following problem:
because children's bicycle size structure diversified design utilizes buffer frame and locking hoop to stabilize the children's bicycle when the test and handles, can be unstable when the children's bicycle test of big specification when the test, produces the skew, is difficult to adapt to children's bicycle's variety to and the second spring can have the difference of different degree or warp, even inefficacy after long-time use, leads to can't provide stable power for the buffer frame, leads to its reliability poor, so that detect the processing, the testing arrangement's of whole testing arrangement detection effect can be influenced to bicycle self unbalance.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the main object of the present utility model is to provide a balance wheel load strength testing machine for a children bicycle, which is capable of adapting to children bicycles of different types and sizes through the structural design and cooperation among a fixing mechanism, a force application mechanism and a first lifting adjusting device, automatically performing vertical load testing on the balance wheel of the children bicycle, automatically completing the vertical load testing on the balance wheel, improving the detection efficiency and the measurement accuracy, reducing the error in the detection process, effectively solving the problems that in the conventional technology, the large-sized children bicycle is unstable during the test, generates offset, is difficult to adapt to the diversity of the children bicycle, and the second spring has different degrees of difference or deformation or even failure after long-time use, so that the buffer frame cannot be provided with stable force, the reliability is poor, and the detection effect of the whole testing device is affected.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the balance wheel load strength testing machine for the children bicycle comprises a rack, a fixing mechanism, a force application mechanism, a first lifting adjusting device and a main control unit, wherein the fixing mechanism is arranged on the rack and used for fixing the children bicycle to be detected, the force application mechanism is used for applying weight to the balance wheel of the children bicycle;
the fixing mechanism comprises a front wheel clamp assembly, a rear wheel clamp assembly and a saddle clamp assembly, wherein the front wheel clamp assembly can be arranged on the first lifting adjusting device in a vertically movable mode and is positioned above the force application mechanism; the saddle clamp assembly comprises a first linear slide rail and a saddle fixing frame which is arranged on the first linear slide rail and used for fixing a saddle, and the saddle fixing frame can be movably arranged along the length extending direction of the first linear slide rail;
the force application mechanism comprises a loading hanging rope, a loading weight, a second lifting adjusting device, a second linear sliding rail and a displacement sensor; the displacement sensor is positioned between the first lifting adjusting device and the loading weight, one end of the loading hanging rope is connected with the balance wheel, the other end of the loading hanging rope is connected with the loading weight, the loading weight is arranged on the second linear sliding rail and is movably arranged along the vertical extending direction of the second linear sliding rail, and the loading weight can be vertically movably arranged on the second lifting adjusting device, so that the loading hanging rope applies pressure to the balance wheel to apply vertical load to the balance wheel of the children bicycle;
the main control unit is electrically connected with the first lifting adjusting device, the second lifting adjusting device and the displacement sensor respectively.
As a preferable scheme, the first lifting adjusting device comprises a first screw rod, a speed reducer and a fixing frame, wherein the first screw rod is vertically extended, one end of the first screw rod is connected with the speed reducer and is arranged on the fixing frame, and one end of the speed reducer is connected with a lifting handle; the front wheel clamp assembly comprises a first sliding seat and a first clamp arranged on the first sliding seat, the front wheel clamp assembly can be arranged on a first screw rod in a vertically movable mode through a second sliding seat, the first screw rod is rotated when the lifting handle is rotated, and then the first sliding seat is enabled to move up and down along the first screw rod, so that the position of the front wheel clamp assembly on the first screw rod is adjusted, and the front wheel clamp assembly is driven to move up and down by utilizing a first lifting adjusting device so as to adapt to children bicycles of different types and sizes.
As a preferable scheme, the force application mechanism further comprises a supporting plate, the supporting plate is movably connected to the second lifting driving device, the rear wheel clamp assembly is propped against the supporting plate, the supporting plate is provided with an avoidance hole, and the loading hanging rope penetrates through the avoidance hole and is connected to the balance wheel.
As a preferable scheme, the second lifting adjusting device comprises a second screw rod and a vertical driving device, wherein the second screw rod is vertically extended, the loading weight is arranged on the second screw rod, the vertical driving device drives the loading weight to reciprocate up and down along the second screw rod, and the vertical driving device is electrically connected to the main control unit.
As a preferred scheme, saddle clamp subassembly still includes first slider, saddle mount lock is on first slider, saddle mount can follow the length extension direction movable setting of first linear guide through the cooperation of first slider and first linear slide rail.
As a preferable scheme, the loading weight is arranged on the second linear sliding rail through the second sliding block and can be movably arranged along the vertical extending direction of the second linear sliding rail.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme is that the utility model mainly adopts the structural design and cooperation among a fixing mechanism, a force application mechanism and a first lifting adjusting device, wherein the fixing mechanism comprises a front wheel clamp assembly, a rear wheel clamp assembly and a saddle clamp assembly, a child to be tested is automatically arranged on the fixing mechanism to fix the front wheel, the rear wheel and the saddle of the child to be tested, the first lifting adjusting device is arranged, so that the child bicycle can adapt to child bicycles of different types and sizes, then the child bicycle balance wheel is automatically subjected to vertical load test through a loading hanging rope and a loading weight of the force application mechanism, and the offset of the balance wheel can be accurately measured by using a displacement sensor; the vertical load test 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 accuracy are improved, and the error in the detection process is effectively reduced.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is another perspective view of an embodiment of the present utility model;
FIG. 3 is a further perspective view of an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a force applying mechanism according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. rack
20. Fixing mechanism 21 and front wheel clamp assembly
22. Rear wheel clamp assembly 23, saddle clamp assembly
211. First slide base 212, first clamp
231. First linear slide 232 and saddle fixing frame
233. First slider 30 and first lifting adjusting device
31. First screw rod 32 and speed reducer
33. Fixing frame 34, lifting handle
40. Force application mechanism 41, loading hanging rope
42. Load weight 43, second lifting adjusting device
44. Second linear slide rail 45 and displacement sensor
431. Second screw 432 and vertical driving device
46. Support plate 461, avoidance hole
50. And a main control unit.
Detailed Description
Referring to fig. 1 to 4, specific structures of embodiments of the present utility model are shown. In the description of the present utility model, it should be noted that, for the azimuth words, terms such as "upper", "lower", "front", "rear", "left", "right", etc., indicate azimuth and positional relationships as shown based on the drawings or when worn normally, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the device or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.
A balance wheel load strength testing machine for a children bicycle comprises a frame 10, a fixing mechanism 20, a first lifting adjusting device 30, a force application mechanism 40 and a main control unit 50.
The fixing mechanism 20, the force applying mechanism 40, the first lifting adjusting device 30 and the main control unit 50 are arranged on the frame 10, the fixing mechanism 20 is used for fixing the children bicycle to be detected, and the force applying mechanism 40 is used for applying weight to the balance wheel of the children bicycle.
The fixing mechanism 20 comprises a front wheel clamp assembly 21, a rear wheel clamp assembly 22 and a saddle clamp assembly 23, wherein the front wheel clamp assembly 21 can be arranged on the first lifting adjusting device 30 in a vertically movable mode and is positioned above the force application mechanism 40; the front wheel clamp assembly 21 comprises a first sliding seat 211 and a first clamp 212 arranged on the first sliding seat 211, and the front wheel clamp assembly 21 can be arranged on the first screw rod 31 in a vertically movable manner through a second sliding seat;
the rear wheel clamp assembly 22 is movably arranged on the force application mechanism 40 up and down, the saddle clamp assembly 23 is positioned beside the force application mechanism 40, the saddle clamp assembly 23 comprises a first linear slide rail 231 and a saddle fixing frame 232 arranged on the first linear slide rail 231 and used for fixing a saddle, and the saddle fixing frame 232 can be movably arranged along the length extending direction of the first linear slide rail 231; the saddle clamp assembly 23 further includes a first slider 233, the saddle holder 232 is locked on the first slider 233, and the saddle holder 232 can be movably disposed along the length extension direction of the first linear guide rail by matching the first slider 233 with the first linear guide rail 231.
The first lifting adjusting device 30 comprises a first screw rod 31, a speed reducer 32 and a fixing frame 33 which are vertically arranged in an extending mode, one end of the first screw rod 31 is connected with the speed reducer 32 and arranged on the fixing frame 33, and one end of the speed reducer 32 is connected with a lifting handle 34; when the lifting handle 34 is rotated, the first screw rod 31 is rotated, and the first sliding seat 211 is further moved up and down along the first screw rod 31, so as to adjust the position of the front wheel clamp assembly 21 on the first screw rod 31.
The force application mechanism 40 comprises a loading hanging rope 41, a loading weight 42, a second lifting adjusting device 43, a second linear slide rail 44 and a displacement sensor 45; the displacement sensor 45 is located between the first lifting adjusting device 30 and the loading weight 42, one end of the loading hanging rope 41 is connected to the balance wheel, the other end is connected to the loading weight 42, the loading weight 42 is disposed on the second linear slide rail 44 and is movably disposed along the vertical extending direction of the second linear slide rail 44, preferably, the loading weight 42 is disposed on the second linear slide rail 44 through the second slider and is movably disposed along the vertical extending direction of the second linear slide rail 44. The loading weight 42 is movably arranged on the second lifting adjusting device 43 up and down, so that the loading hanging rope 41 applies pressure to the balance wheel to apply vertical load to the balance wheel of the children bicycle; the second lifting adjusting device 43 includes a second screw rod 431 extending vertically and a vertical driving device 432, the loading weight 42 is disposed on the second screw rod 431, the vertical driving device 432 drives the loading weight 42 to reciprocate up and down along the second screw rod 431, and the vertical driving device 432 is electrically connected to the main control unit 50.
The force application mechanism 40 further includes a support plate 46, the support plate 46 is movably connected to the second lifting driving device, the rear wheel clamp assembly 22 abuts against the support plate 46, the support plate 46 has a avoidance hole 461, and the loading hanging rope 41 passes through the avoidance hole 461 and is connected to the balance wheel.
The main control unit 50 is electrically connected to the first lifting adjusting device 30, the second lifting adjusting device 43 and the displacement sensor 45, respectively.
The utility model mainly adopts the structural design and cooperation of a fixing mechanism, a force application mechanism and a first lifting adjusting device, wherein the fixing mechanism comprises a front wheel clamp assembly, a rear wheel clamp assembly and a saddle clamp assembly, a child to be tested is automatically arranged on the fixing mechanism to fix a front wheel, a rear wheel and a saddle of the child to be tested, the child to be tested can adapt to child bicycles of different types and sizes by utilizing the arrangement of the first lifting adjusting device, then the balance wheel of the child bicycle is automatically subjected to vertical load test by a loading hanging rope and a loading weight of the force application mechanism, and the offset of the balance wheel can be accurately measured by utilizing a displacement sensor; the vertical load test 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 accuracy are improved, and the error in the detection process is effectively reduced.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (6)
1. A children bicycle balance wheel load strength testing machine is characterized in that: the device comprises a rack, a fixing mechanism, a force application mechanism, a first lifting adjusting device and a main control unit, wherein the fixing mechanism is arranged on the rack and used for fixing a child bicycle to be detected, the force application mechanism is used for applying weight to a balance wheel of the child bicycle;
the fixing mechanism comprises a front wheel clamp assembly, a rear wheel clamp assembly and a saddle clamp assembly, wherein the front wheel clamp assembly can be arranged on the first lifting adjusting device in a vertically movable mode and is positioned above the force application mechanism; the saddle clamp assembly comprises a first linear slide rail and a saddle fixing frame which is arranged on the first linear slide rail and used for fixing a saddle, and the saddle fixing frame can be movably arranged along the length extending direction of the first linear slide rail;
the force application mechanism comprises a loading hanging rope, a loading weight, a second lifting adjusting device, a second linear sliding rail and a displacement sensor; the displacement sensor is positioned between the first lifting adjusting device and the loading weight, one end of the loading hanging rope is connected with the balance wheel, the other end of the loading hanging rope is connected with the loading weight, the loading weight is arranged on the second linear sliding rail and is movably arranged along the vertical extending direction of the second linear sliding rail, and the loading weight can be vertically movably arranged on the second lifting adjusting device, so that the loading hanging rope applies pressure to the balance wheel to apply vertical load to the balance wheel of the children bicycle;
the main control unit is electrically connected with the first lifting adjusting device, the second lifting adjusting device and the displacement sensor respectively.
2. The children's bicycle balance weight load strength testing machine of claim 1, wherein: the first lifting adjusting device comprises a first screw rod, a speed reducer and a fixing frame, wherein the first screw rod, the speed reducer and the fixing frame are vertically arranged in an extending mode, one end of the first screw rod is connected with the speed reducer and arranged on the fixing frame, and one end of the speed reducer is connected with a lifting handle; the front wheel clamp assembly comprises a first sliding seat and a first clamp arranged on the first sliding seat, the front wheel clamp assembly can be arranged on the first screw rod in a vertically movable mode through a second sliding seat, the first screw rod rotates when the lifting handle is rotated, and then the first sliding seat is enabled to vertically displace along the first screw rod, so that the position of the front wheel clamp assembly on the first screw rod is adjusted.
3. The children's bicycle balance weight load strength testing machine according to claim 2, wherein: the force application mechanism further comprises a support plate, the support plate is movably connected to the second lifting driving device, the rear wheel clamp assembly is propped against the support plate, the support plate is provided with an avoidance hole, and the loading hanging rope penetrates through the avoidance hole and is connected to the balance wheel.
4. The children's bicycle balance weight load strength testing machine of claim 1, wherein: the second lifting adjusting device comprises a second screw rod and a vertical driving device, the second screw rod is vertically extended, the loading weight is arranged on the second screw rod, the vertical driving device drives the loading weight to reciprocate up and down along the second screw rod, and the vertical driving device is electrically connected to the main control unit.
5. The children's bicycle balance weight load strength testing machine of claim 1, wherein: the saddle clamp assembly further comprises a first sliding block, the saddle fixing frame is locked on the first sliding block, and the saddle fixing frame can be movably arranged along the length extending direction of the first linear guide rail through the matching of the first sliding block and the first linear guide rail.
6. The children's bicycle balance weight load strength testing machine of claim 1, wherein: the loading weight is arranged on the second linear sliding rail through the second sliding block and can be movably arranged along the vertical extension direction of the second linear sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745594.3U CN219757955U (en) | 2023-04-06 | 2023-04-06 | Balance wheel load strength testing machine for children bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745594.3U CN219757955U (en) | 2023-04-06 | 2023-04-06 | Balance wheel load strength testing machine for children bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757955U true CN219757955U (en) | 2023-09-26 |
Family
ID=88085367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320745594.3U Active CN219757955U (en) | 2023-04-06 | 2023-04-06 | Balance wheel load strength testing machine for children bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757955U (en) |
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2023
- 2023-04-06 CN CN202320745594.3U patent/CN219757955U/en active Active
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