Child bicycle wheel clamping force testing machine

Abstract

The utility model discloses a child bicycle wheel clamping force testing machine which is characterized by comprising a rack, a fixing assembly, a force application clamping mechanism, an angle adjusting assembly and a main control unit. The rack is provided with an adjusting groove. The fixing assembly is adjustably arranged at the adjusting groove; the force application clamping mechanism comprises a clamping piece and an electric cylinder device; the electric cylinder device is arranged on the angle adjusting assembly, and one end of the electric cylinder device is connected to one end of the clamping piece; the angle adjusting device comprises a lifting mechanism, a vertical driving assembly and a lifting plate, an angle adjusting seat is arranged on the lifting plate, the electric cylinder device is rotatably assembled on the angle adjusting seat, and the vertical driving assembly drives the lifting plate to reciprocate up and down along the lifting mechanism; therefore, wheel clamping force tests of various different bicycles can be conveniently carried out, and wheel clamping force detaching tests of bicycles can be accurately carried out corresponding to bicycle front forks and rear forks of various specifications and models. And a plurality of devices with different angles do not need to be configured.

Description

Technical Field

[0001] The utility model relates to the field technology of children's bicycle testing equipment, in particular to a children's bicycle wheel clamping force testing machine. Background Art

[0002] Bicycles are a common means of transportation for people to travel. They are popular among people because they are light, flexible and labor-saving. In order to ensure safety, bicycles must have good quality and safety performance. The relevant standards stipulate the performance and inspection methods of various bicycles.

[0003] The bicycle wheel clamping force is an important safety test item for bicycles, which is used to detect the fixing strength of bicycle wheels and ensure driving safety.

[0004] The bicycle wheel clamping force test is to fix the bicycle wheel on the whole bicycle as required, and then apply tension in the direction of wheel removal, and the wheel must not get loose; the problem in the test is that due to the influence of many styles of bicycles, the front fork legs and rear fork legs of bicycles of different styles and sizes often have different inclination angles. Therefore, when conducting the bicycle wheel clamping force removal test, it is often necessary to adjust the fixing angle of the bicycle frame according to different needs. Since the inclination angles of various bicycle wheels are different, the pulling direction is also different, resulting in the need to equip multiple test equipment in the actual test process, resulting in high cost and large space, and it is difficult to fix the bicycle and apply tension, making the test complex and low in precision.

[0005] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0006] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a children's bicycle wheel clamping force testing machine. The utility model solves the problem that the traditional technology requires the configuration of multiple test equipment to meet the clamping force testing of bicycle wheels of different styles and sizes, resulting in high cost and large space, through the structural design and coordination between the fixing component, the force clamping mechanism and the angle adjustment component.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A children's bicycle wheel clamping force testing machine, a frame and a fixing component arranged on the frame, a force clamping mechanism, an angle adjustment component and a main control unit;

[0009] The fixing assembly is used to fix the children's bicycle to be tested; the force-applying clamping assembly is used to clamp the spokes of the children's bicycle to be tested and apply tension; the angle adjustment assembly is used to adjust the force-applying angle of the force-applying clamping mechanism on the spokes;

[0010] The frame has an adjustment slot; the adjustment slot is extended along the length direction of the frame; the fixing assembly is adjustably arranged at the adjustment slot;

[0011] The force-applying clamping mechanism includes a clamping member and an electric cylinder device for applying tension to the clamping member; the electric cylinder device is arranged on the angle adjustment assembly, one end of the electric cylinder device is connected to one end of the clamping member and is electrically connected to the main control unit;

[0012] The angle adjustment device includes a lifting mechanism, a vertical drive assembly and a lifting plate that is lifted and lowered along the lifting mechanism, the lifting plate is provided with an angle adjustment seat, the electric cylinder device is rotatably mounted on the angle adjustment seat, and the vertical drive assembly drives the lifting plate to reciprocate up and down along the lifting mechanism; the vertical drive assembly is electrically connected to the main control unit.

[0013] As a preferred solution, the fixing assembly includes a fixing plate and a fixing seat, the fixing plate is locked in the adjustment slot by a locking piece; one end of the fixing seat is locked to the fixing plate, and the other end of the fixing seat is provided with a clamping position for clamping a front fork or a rear fork. The design of the fixing assembly is utilized to ensure the stability of the children's bicycle to be tested during the test, thereby ensuring the accuracy of the test.

[0014] As a preferred embodiment, the clamping member includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are connected by a connecting plate, and the first clamping plate and the second clamping plate are recessed with connecting holes for connecting to the spokes; the connecting plate is connected to the output shaft of the electric cylinder device through a force sensor.

[0015] As a preferred solution, the other end of the electric cylinder device has a first arc groove, and the angle adjustment seat is provided with a second arc groove designed to imitate the first arc groove; the angle adjustment seat is provided with an adjusting hand wheel for controlling the swinging direction of the electric cylinder device, and one end of the adjusting hand wheel is connected to the second arc groove and the first arc groove; the adjusting hand wheel is manually controlled to change the force angle of the electric cylinder device, thereby adapting to children's bicycle tests of different specifications.

[0016] As a preferred solution, the lifting mechanism includes a slide rail, and the lifting plate is connected to the slide rail through a slider; the vertical drive assembly includes a screw rod, a reducer and a vertical drive device, one end of the screw rod is connected to the lifting plate, the output end of the vertical drive device is connected to the reducer, and the other end of the screw rod is connected to the output end of the reducer; so that the lifting plate reciprocates along the extension direction of the slide rail.

[0017] As a preferred solution, a connecting frame is further provided on the frame, the slide rail is provided on the connecting frame, and the slide rail is extended along the vertical direction of the connecting frame.

[0018] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it mainly uses the structural design and coordination between the fixing component, the force clamping mechanism and the angle adjustment component, uses the clamping member to clamp the wheel spoke of the children's bicycle to be tested, and applies tension to the clamping member through the electric cylinder device to perform the bicycle wheel clamping force release test; secondly, by utilizing the design of the angle adjustment component, the force application angle of the force clamping mechanism on the wheel spoke can be adjusted, so as to facilitate the wheel clamping force test of various bicycles, and can accurately correspond to various specifications and models of bicycle front forks and rear forks to perform bicycle wheel clamping force release test; so that there is no need to configure multiple devices with different angles, thereby reducing the test cost, especially its small footprint and high precision.

[0019] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of an embodiment of the utility model;

[0021] Figure 2 It is another three-dimensional diagram of an embodiment of the utility model;

[0022] Figure 3 It is a rear view of an embodiment of the utility model;

[0023] Figure 4 It is a structural diagram of the force clamping mechanism and the angle adjustment assembly of the embodiment of the utility model;

[0024] Figure 5 It is a structural diagram of a fixing assembly according to an embodiment of the present utility model.

[0025] Description of the accompanying drawings:

[0026] 10. Frame 11. Adjustment slot

[0027] 20. Fixing assembly 21. Fixing plate

[0028] 22. Fixing seat 23. Locking piece

[0029] 24. Clamping position

[0030] 30. Force-applying clamping mechanism 31. Clamping member

[0031] 32. Electric cylinder device 311. First clamping plate

[0032] 312, second clamping plate 313, connecting plate

[0033] 314. Connection hole

[0034] 33. Force sensor 321. First arc groove

[0035] 40. Angle adjustment assembly 41. Lifting mechanism

[0036] 42. Vertical drive assembly 43. Lifting plate

[0037] 44. Angle adjustment seat 441. Second arc groove

[0038] 45. Adjustment hand wheel 411. Slide rail

[0039] 412, slider 421, screw

[0040] 422. Vertical drive device

[0041] 50. Main control unit 60. Connecting frame. DETAILED DESCRIPTION

[0042] Please refer to Figures 1 to 5 As shown, it shows the specific structure of an embodiment of the utility model.

[0043] In the description of the present invention, it should be noted that directional words such as the terms "up", "down", "front", "back", "left", "right", etc., which indicate directions and positional relationships, are based on the directions or positional relationships shown in the drawings or during normal wearing and use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0044] A children's bicycle wheel clamping force testing machine is characterized by: a frame 10, a fixing assembly 20, a force-applying clamping mechanism 30, an angle adjustment assembly 40 and a main control unit 50.

[0045] The fixing assembly 20, the force clamping mechanism 30, the angle adjustment assembly 40 and the main control unit 50 are arranged on the frame 10; the fixing assembly 20 is used to fix the children's bicycle to be tested; the force clamping assembly is used to clamp the spokes of the children's bicycle to be tested and apply tension; the angle adjustment assembly 40 is used to adjust the force angle of the force clamping mechanism 30 on the spokes.

[0046] The frame 10 has an adjustment slot 11; the adjustment slot 11 is extended along the length direction of the frame 10; the fixing assembly 20 is adjustably arranged at the adjustment slot 11;

[0047] Preferably, the fixing assembly 20 includes a fixing plate 21 and a fixing seat 22, the fixing plate 21 is locked at the adjustment slot 11 by a locking piece 23; one end of the fixing seat 22 is locked to the fixing plate 21, and the other end of the fixing seat 22 is provided with a clamping position 24 for clamping the front fork or the rear fork.

[0048] The force-applying clamping mechanism 30 includes a clamping member 31 and an electric cylinder device 32 for applying tension to the clamping member 31; the electric cylinder device 32 is disposed on the angle adjustment assembly 40, and one end of the electric cylinder device 32 is connected to one end of the clamping member and is electrically connected to the main control unit 50;

[0049] Preferably, the clamping member includes a first clamping plate 311 and a second clamping plate 312, the first clamping plate 311 and the second clamping plate 312 are connected via a connecting plate 313, and the first clamping plate 311 and the second clamping plate 312 are concavely provided with connecting holes 314 for connecting with the spokes; the connecting plate 313 is connected to the output shaft of the electric cylinder device 32 via a force sensor 33. Preferably, the other end of the electric cylinder device 32 has a first arc groove 321.

[0050] The angle adjustment device includes a lifting mechanism 41, a vertical drive component 42 and a lifting plate 43 that is lifted and lowered along the lifting mechanism 41, an angle adjustment seat 44 is provided on the lifting plate 43, the electric cylinder device 32 is rotatably mounted on the angle adjustment seat 44, and the vertical drive component 42 drives the lifting plate 43 to reciprocate up and down along the lifting mechanism 41; the vertical drive component 42 is electrically connected to the main control unit 50.

[0051] Preferably, the lifting mechanism 41 includes a slide rail 411, and the lifting plate 43 is connected to the slide rail 411 through a slider 412; the vertical drive assembly 42 includes a screw rod 421, a reducer and a vertical drive device 422, one end of the screw rod 421 is connected to the lifting plate 43, the output end of the vertical drive device 422 is connected to the reducer, and the other end of the screw rod 421 is connected to the output end of the reducer; so that the lifting plate 43 reciprocates along the extension direction of the slide rail 411.

[0052] The angle adjustment seat 44 is provided with a second arc groove 441 designed to imitate the first arc groove 321; the angle adjustment seat 44 is provided with an adjustment hand wheel 45 for controlling the swing direction of the electric cylinder device 32, and one end of the adjustment hand wheel 45 is connected to the second arc groove 441 and the first arc groove 321; the adjustment hand wheel 45 is manually controlled to change the force application angle of the electric cylinder device 32.

[0053] The frame 10 is further provided with a connecting frame 60 , and the slide rail 411 is provided on the connecting frame 60 . The slide rail 411 is extended along the vertical direction of the connecting frame 60 .

[0054] The design emphasis of the utility model is that it mainly clamps the wheel spoke of the children's bicycle to be tested by a clamping member through the structural design and coordination among a fixing component, a force-applying clamping mechanism and an angle adjustment component, and applies a tensile force to the clamping member through an electric cylinder device to perform a bicycle wheel clamping force release test; secondly, by utilizing the design of the angle adjustment component, the force-applying angle of the force-applying clamping mechanism on the wheel spoke can be adjusted, thereby conveniently performing wheel clamping force tests on various bicycles, and accurately performing bicycle wheel clamping force release tests on bicycle front forks and rear forks of various specifications and models; there is no need to configure multiple devices with different angles, thereby reducing the test cost, especially its small footprint and high precision.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A children's bicycle wheel clamping force testing machine, characterized in that: A frame and a fixing assembly, a force-applying clamping mechanism, an angle adjustment assembly and a main control unit arranged on the frame; The fixing assembly is used to fix the children's bicycle to be tested; the force-applying clamping mechanism is used to clamp the wheel spokes of the children's bicycle to be tested and apply tension; the angle adjustment assembly is used to adjust the force-applying angle of the force-applying clamping mechanism on the wheel spokes; The frame has an adjustment slot; the adjustment slot is extended along the length direction of the frame; the fixing assembly is adjustably arranged at the adjustment slot; The force-applying clamping mechanism includes a clamping member and an electric cylinder device for applying tension to the clamping member; the electric cylinder device is arranged on the angle adjustment assembly, one end of the electric cylinder device is connected to one end of the clamping member and is electrically connected to the main control unit; The angle adjustment component includes a lifting mechanism, a vertical drive component and a lifting plate that is lifted and lowered along the lifting mechanism, the lifting plate is provided with an angle adjustment seat, the electric cylinder device is rotatably mounted on the angle adjustment seat, and the vertical drive component drives the lifting plate to reciprocate up and down along the lifting mechanism; the vertical drive component is electrically connected to the main control unit.

2. The children's bicycle wheel clamping force testing machine according to claim 1, characterized in that: The fixing assembly includes a fixing plate and a fixing seat, wherein the fixing plate is locked at the adjusting slot by a locking piece; one end of the fixing seat is locked to the fixing plate, and the other end of the fixing seat is provided with a clamping position for clamping the front fork or the rear fork.

3. The children's bicycle wheel clamping force testing machine according to claim 1, characterized in that: The clamping member includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are connected by a connecting plate, and the first clamping plate and the second clamping plate are recessed with connecting holes for connecting to the spokes; the connecting plate is connected to the output shaft of the electric cylinder device through a force sensor.

4. The children's bicycle wheel clamping force testing machine according to claim 1, characterized in that: The other end of the electric cylinder device has a first arc groove, and the angle adjustment seat is provided with a second arc groove designed to imitate the first arc groove; the angle adjustment seat is provided with an adjustment hand wheel for controlling the swing direction of the electric cylinder device, and one end of the adjustment hand wheel is connected to the second arc groove and the first arc groove; the adjustment hand wheel is manually controlled to change the force application angle of the electric cylinder device.

5. The children's bicycle wheel clamping force testing machine according to claim 1, characterized in that: The lifting mechanism includes a slide rail, and the lifting plate is connected to the slide rail through a slider; the vertical drive assembly includes a screw rod, a reducer and a vertical drive device, one end of the screw rod is connected to the lifting plate, the output end of the vertical drive device is connected to the reducer, and the other end of the screw rod is connected to the output end of the reducer; So that the lifting plate can reciprocate along the extending direction of the slide rail.

6. The children's bicycle wheel clamping force testing machine according to claim 5, characterized in that: The frame is also provided with a connecting frame, the slide rail is provided on the connecting frame, and the slide rail is extended along the vertical direction of the connecting frame.

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