CN114441196A - Testing device and testing method for baby carriage wheel assembly - Google Patents
Testing device and testing method for baby carriage wheel assembly Download PDFInfo
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- CN114441196A CN114441196A CN202210026380.0A CN202210026380A CN114441196A CN 114441196 A CN114441196 A CN 114441196A CN 202210026380 A CN202210026380 A CN 202210026380A CN 114441196 A CN114441196 A CN 114441196A
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention relates to the technical field of baby carriages, and discloses a device and a method for testing a wheel assembly of a baby carriage. The test device comprises: loading device, cylinder and weight, loading device include removal subassembly, workstation and clamping device. The workbench is used for bearing weights. The table is coupled to the movement assembly such that the table is configured to move in a first direction. The workbench is connected with the wheel assembly through a clamping device, and the wheel assembly comprises a wheel shaft and wheels. The roller includes a first tapered surface and a second tapered surface, each configured to abut the wheel assembly and apply axial and radial loads to the wheel assembly. The invention can independently test and verify the wheel assembly, shortens the development period and reduces the test cost of new products.
Description
Technical Field
The invention relates to the technical field of a baby carriage, in particular to a testing device and a testing method for a wheel assembly of the baby carriage.
Background
Wheel assemblies are an important component of strollers and are prone to quality problems, such as: wheel drop, wheel noise, wheel wear, etc. About 30% of baby carriage quality complaints on the market are related to wheel assemblies, the state sets up a baby carriage standard dynamic durability test standard for assessing the fatigue strength of the wheel assemblies, and in addition, a plurality of enterprises also have enterprise standard requirements (such as real vehicle walking tests), but the test items are required to be completed on the whole vehicle.
In the prior art, the test and verification of the wheel assembly of the baby carriage are completed by the whole baby carriage, but in the development process of new baby carriage products, the following situations are often encountered:
1) in the early stage of new product development, due to structural design limitations, the strength and the performance of wheel components are worried about, but the 3D of the whole vehicle is not completely determined at the moment, and the whole vehicle cannot be used for test verification;
2) the new product only implements improvement on the wheel assembly on the basis of the large-cargo product, and if the whole vehicle is used for test verification, the test cost is increased.
Disclosure of Invention
Based on the above, the present invention aims to provide a device and a method for testing a stroller wheel assembly, which can independently test and verify the wheel assembly and shorten the product development cycle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stroller wheel assembly testing apparatus comprising:
the loading device comprises a moving assembly, a workbench and a clamping device, the workbench is used for bearing weights, and the workbench is connected with the moving assembly and can move along a first direction; the workbench is connected with the wheel assembly through a clamping device; the wheel assembly comprises an axle and a wheel;
the roller is positioned on one side, far away from the moving assembly, of the workbench and comprises a first conical surface and a second conical surface, and the first conical surface and the second conical surface are configured to be abutted with the wheel assembly and apply axial and radial loads to the wheel assembly.
As a preferred scheme of the testing device of the baby carriage wheel assembly, the moving assembly comprises a one-way cylinder and a chain, the one-way cylinder is connected with one end of the chain, and the other end of the chain is connected with the workbench; the cylinder is used for lifting the workbench in one direction, and when the workbench descends under the action of the gravity of the weight, the cylinder is in a loose state.
As a preferable aspect of the testing device for the stroller wheel assembly, the moving assembly further comprises a limit guide connected to the table, and the limit guide is configured to limit the remaining degrees of freedom of the table in the first direction.
As a preferred version of the test device for a stroller wheel assembly, the clamping device comprises clamping jaws configured to be able to clamp the axle.
As a preferred scheme of the testing device of the baby carriage wheel assembly, the testing device further comprises a transmission device and a driving device, wherein one end of the transmission device is connected with the roller, and the other end of the transmission device is connected with the driving device.
As a preferred scheme of the testing device of the wheel assembly of the baby carriage, the transmission device comprises a reduction gearbox, the input end of the reduction gearbox is connected with the driving device, and the output end of the reduction gearbox is connected with the roller.
As a preferable aspect of the test device for a stroller wheel assembly, the transmission includes a clutch configured to enable the transmission to be connected to or disconnected from the drum.
As a preferred version of the testing device for a stroller wheel assembly, the transmission comprises a brake configured to stop rotation of the drum and/or the wheel.
As a preferable scheme of the testing device of the baby carriage wheel assembly, the testing device further comprises a sandbox, wherein the sandbox is arranged on one side, away from the workbench, of the roller and is used for collecting and discharging testing materials used in the testing process.
A method for testing a baby carriage wheel assembly comprises the following steps of:
s1, mounting the wheel assembly on a workbench and clamping the wheel assembly through a clamping device;
s2, placing weights on the workbench according to the test requirements;
s3, setting the rotation direction, the rotation speed and the rotation time of the roller according to the test requirements;
and S4, starting the testing device of the wheel assembly of the baby carriage until the wheels fall off the wheel shaft.
The invention has the beneficial effects that:
the invention provides a testing device and a testing method for a baby carriage wheel assembly, wherein the testing device for the baby carriage wheel assembly comprises: loading device, cylinder and weight, loading device include removal subassembly, workstation and clamping device. Corresponding weights need to be set according to the test load value in the test process, and the workbench is used for bearing the weights. The workbench is connected with the moving assembly, so that the workbench can be configured to move along a first direction; the workbench is connected with the wheel assembly through a clamping device; the wheel assembly comprises an axle and a wheel; the roller includes a first tapered surface and a second tapered surface, each configured to abut the wheel assembly and apply axial and radial loads to the wheel assembly. When the workbench moves to the testing position, the wheel assembly is abutted against the roller. The actual movement of the wheel is simulated through the relative rotation of the roller and the wheel, and the dynamic durability and other test indexes of the wheel component are tested through the load applied by the workbench. Compared with the testing device for testing the whole vehicle in the prior art, the testing device can independently test and verify the wheel assembly, obtain the testing result of the reliability of the wheel assembly as early as possible, shorten the development period and reduce the testing cost of new products.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is an isometric view of a test apparatus for a stroller wheel assembly provided in accordance with an embodiment of the present invention;
FIG. 2 is another isometric view of a test device provided in accordance with an embodiment of the present invention.
In the figure:
1. a loading device; 11. a moving assembly; 111. a one-way cylinder; 112. a chain; 113. limiting a guide rail; 12. a work table; 13. a clamping device; 131. a clamping jaw;
2. a drum; 21. a first conical surface; 22. a second tapered surface;
3. a drive device;
4. a sandbox;
5. the support can be moved.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, fig. 1 is an isometric view of a stroller wheel assembly test apparatus according to an embodiment of the present invention. This embodiment provides a testing arrangement of perambulator wheel subassembly, and the device includes loading device 1, cylinder 2 and weight, and in this embodiment, loading device 1 and cylinder 2 all set up on a movable support 5, and movable support 5 includes upper strata, middle level and lower floor three layer construction. The loading device 1 and the drum 2 are both located in a first direction, which in this embodiment is a vertical direction. The loading device 1 is located above the roller 2, i.e. the loading device 1 is located at the upper layer of the movable support 5, and the roller 2 is located at the middle layer of the movable support 5.
The loading device 1 comprises a moving assembly 11, a table 12 and a clamping device 13. The wheel assembly to be tested comprises an axle and a wheel. Corresponding weights need to be set according to the test load value in the test process, the workbench 12 is used for bearing the weights, and the workbench 12 is connected with the moving assembly 11 so that the workbench 12 can move along the first direction. The table 12 is connected to the wheel assembly by a clamping device 13.
The roller 2 is located right below the worktable 12, i.e. on the side away from the moving assembly 11, and the roller 2 comprises a first tapered surface 21 and a second tapered surface 22, and the first tapered surface 21 and the second tapered surface 22 are both configured to abut against a wheel in the wheel assembly and apply axial and radial loads to the wheel. Specifically, the first tapered surface 21 and the second tapered surface 22 are symmetrically disposed at both ends of the roller 2, the small diameter ends of the first tapered surface 21 and the second tapered surface 22 are away from each other, and the large diameter ends of the first tapered surface 21 and the second tapered surface 22 are close to each other. Preferably, the first tapered surface 21 and the second tapered surface 22 are both tapered at 15 °.
When the table 12 is moved to the test position by the weight, the wheel abuts against the drum 2. Specifically, the two wheels abut against the first tapered surface 21 and the second tapered surface 22, respectively. The actual movement of the wheel is simulated through the relative rotation of the roller 2 and the wheel, and the dynamic durability and other test indexes of the wheel component are tested through the load applied by the workbench 12. Compared with the testing device for testing the whole vehicle in the prior art, the testing device can independently test and verify the wheel assembly, obtain the testing result of the reliability of the wheel assembly as early as possible, shorten the development period and reduce the testing cost of new products.
Referring to fig. 1 and 2, fig. 2 is another isometric view of a test device according to an embodiment of the present invention. Specifically, the moving assembly 11 includes a one-way cylinder 111 and a chain 112, the one-way cylinder 111 is connected to one end of the chain 112, and the other end of the chain 112 is connected to the connecting column of the worktable 12. After the test is finished, the air cylinder 111 is used to lift the table 12 in one direction. At the start of the test, the air cylinder 111 does not apply a downward pushing force to the table 12, and the table 12 is lowered to the test position and driven by the weight of the weight. When the table 12 is lowered by the weight, the air cylinder 111 is in a relaxed state.
As a preferred solution, the moving assembly 11 further includes a limit rail 113, the limit rail 113 is connected to the working platform 12, and the limit rail 113 is configured to limit the remaining degrees of freedom of the working platform 12 in the first direction. Specifically, the upper layer of the movable support 5 includes a supporting plate, two sleeves are arranged on the supporting plate, the limiting guide rail 113 includes two guide pillars, and each guide pillar is slidably connected with one sleeve, so that the workbench 12 is limited to move along the first direction, and the rest of 5 degrees of freedom are provided.
As a preferred solution, the clamping device 13 comprises a clamping jaw 131, the wheel assembly 100 comprises an axle, and the clamping jaw 131 is configured to be able to clamp the axle. In this embodiment, the clamping jaw 131 is a fixed clamping jaw made of an elastic material, an opening of the clamping jaw 131 faces downward, and the clamping jaw 131 can be clamped on the outer side of the wheel shaft and tightly hold the wheel shaft.
As a preferred technical scheme, the testing device for the wheel assembly of the baby carriage further comprises a transmission device and a driving device 3, one end of the transmission device is connected with the roller 2, and the other end of the transmission device is connected with the driving device 3, so that the roller 2 can be automatically controlled. The transmission device comprises a reduction gearbox, so that the rotating speed is reduced, the torque is increased, the input end of the reduction gearbox is connected with the driving device 3, and the output end of the reduction gearbox is connected with the roller 2. Further preferably, the transmission comprises a clutch and a brake, the clutch being configured to enable connection or disconnection of the transmission to the drum 2. The brake is configured to stop the rotation of the drum 2 and/or the wheel.
As a preferred technical scheme, the testing device of the baby carriage wheel assembly further comprises a sandbox 4, wherein the sandbox 4 is funnel-shaped, one end of the sandbox is larger in opening, and the other end of the sandbox is smaller in opening. The larger end of the opening is directed towards the roller 2, and the sand box 4 is arranged on the side of the roller 2 away from the worktable 12, i.e. on the lower layer of the movable bracket 5. In particular, in some test requirements, it is necessary to blast the wheel during rotation of the wheel to simulate a real rotation process, when the sandbox 4 is used to collect and expel test material used in the test process, such as sand, small stones or other test material.
The embodiment also provides a testing method of the baby carriage wheel assembly, which is based on the testing device of the baby carriage wheel assembly in any scheme, and comprises the following steps:
s1, mounting the wheel assembly on the workbench 12 and clamping the wheel assembly through the clamping device 13;
s2, placing weights on the workbench 12 according to the test requirements, and enabling the two wheels to be respectively abutted against the first conical surface 21 and the second conical surface 22;
s3, setting the rotation direction, the rotation speed and the rotation time of the roller 2 according to the test requirements; for example, the roller 2 is firstly rotated forwards for 24 hours at the speed of 5 km/h; then, the drum 2 is reversed at a speed of 5km/h for 24 hours; repeating the above process, and circularly rotating.
And S4, starting the testing device of the baby carriage wheel assembly until the wheels fall off the wheel shafts.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. A testing device for stroller wheel assemblies, comprising:
the loading device (1) comprises a moving assembly (11), a workbench (12) and a clamping device (13), wherein the workbench (12) is used for bearing weights, and the workbench (12) is connected with the moving assembly (11) so that the workbench (12) can move along a first direction; the workbench (12) is connected with the wheel assembly through the clamping device (13); the wheel assembly comprises an axle and a wheel;
a roller (2), the roller (2) being located on a side of the table (12) remote from the moving assembly (11), the roller (2) comprising a first tapered surface (21) and a second tapered surface (22), the first tapered surface (21) and the second tapered surface (22) each being configured to abut against the wheel assembly and apply axial and radial loads to the wheel assembly.
2. Testing device of stroller wheel assemblies according to claim 1, characterized in that the moving assembly (11) comprises a one-way cylinder (111) and a chain (112), the one-way cylinder (111) being connected to one end of the chain (112) and the other end of the chain (112) being connected to the table (12); the air cylinder (111) is used for lifting the workbench (12) in a single direction, and when the workbench (12) descends under the action of the gravity of the weight, the air cylinder (111) is in a loose state.
3. A stroller wheel assembly testing apparatus according to claim 2, wherein the moving assembly (11) further comprises a limit rail (113), the limit rail (113) being connected to the table (12), the limit rail (113) being configured to limit the remaining degrees of freedom of the table (12) in moving in the first direction.
4. Testing device of a stroller wheel assembly according to claim 1, characterized in that the clamping device (13) comprises clamping jaws (131), the clamping jaws (131) being configured to be able to clamp the axle.
5. A device for testing stroller wheel assemblies according to claim 1, further comprising a transmission and a drive device (3), wherein one end of the transmission is connected to the drum (2) and the other end of the transmission is connected to the drive device (3).
6. A device for testing stroller wheel assemblies according to claim 5, characterized in that the transmission means comprises a reduction gearbox, the input of which is connected to the drive means (3) and the output of which is connected to the drum (2).
7. A test device of a stroller wheel assembly according to claim 5, characterized in that the transmission comprises a clutch configured to enable connection or disconnection of the transmission with the drum (2).
8. A test device of a stroller wheel assembly according to claim 5, characterized in that the transmission means (3) comprises a brake configured to stop the rotation of the drum (2) and/or the wheel.
9. A test arrangement for a stroller wheel assembly according to claim 1, characterized in that it further comprises a sand box (4), said sand box (4) being arranged on the side of the drum (2) remote from the table (12), said sand box (4) being adapted to collect and discharge test material used during the test.
10. A method of testing a stroller wheel assembly according to any of claims 1 to 9, comprising the steps of:
s1, mounting the wheel assembly on the workbench (12) and clamping the wheel assembly through the clamping device (13);
s2, placing weights on the workbench (12) according to the test requirements;
s3, setting the rotation direction, the rotation speed and the rotation time of the roller (2) according to the test requirements;
and S4, starting the testing device of the baby carriage wheel assembly until the wheels fall off the wheel shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026380.0A CN114441196A (en) | 2022-01-11 | 2022-01-11 | Testing device and testing method for baby carriage wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026380.0A CN114441196A (en) | 2022-01-11 | 2022-01-11 | Testing device and testing method for baby carriage wheel assembly |
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| CN114441196A true CN114441196A (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210026380.0A Pending CN114441196A (en) | 2022-01-11 | 2022-01-11 | Testing device and testing method for baby carriage wheel assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458166A (en) * | 2008-11-12 | 2009-06-17 | 陶泽成 | Wheel traveling life test machine |
| CN206756467U (en) * | 2017-04-26 | 2017-12-15 | 湖北洋田塑料制品有限公司 | A kind of pushchair hard wear resistant test device |
| CN108036952A (en) * | 2017-12-12 | 2018-05-15 | 陈高强 | A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub |
| CN212340668U (en) * | 2020-06-03 | 2021-01-12 | 明门(中国)幼童用品有限公司 | Children's shallow truckle test system |
| CN113358376A (en) * | 2021-07-28 | 2021-09-07 | 卢守珍 | Comprehensive mechanical property testing system of tire |
| CN214471761U (en) * | 2021-02-02 | 2021-10-22 | 东莞市高翔机械设备有限公司 | Baby carriage dynamic testing machine |
-
2022
- 2022-01-11 CN CN202210026380.0A patent/CN114441196A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458166A (en) * | 2008-11-12 | 2009-06-17 | 陶泽成 | Wheel traveling life test machine |
| CN206756467U (en) * | 2017-04-26 | 2017-12-15 | 湖北洋田塑料制品有限公司 | A kind of pushchair hard wear resistant test device |
| CN108036952A (en) * | 2017-12-12 | 2018-05-15 | 陈高强 | A kind of device for being used to test the wearability of tire and the impact resistance of wheel hub |
| CN212340668U (en) * | 2020-06-03 | 2021-01-12 | 明门(中国)幼童用品有限公司 | Children's shallow truckle test system |
| CN214471761U (en) * | 2021-02-02 | 2021-10-22 | 东莞市高翔机械设备有限公司 | Baby carriage dynamic testing machine |
| CN113358376A (en) * | 2021-07-28 | 2021-09-07 | 卢守珍 | Comprehensive mechanical property testing system of tire |
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