CN221350543U - Bicycle wheel comprehensive testing machine - Google Patents

Abstract

The utility model discloses a bicycle wheel comprehensive testing machine, which belongs to the field of bicycle wheel testing devices, and comprises a mounting frame, wherein wheels for testing are arranged on the mounting frame, a first motor is arranged on a first beam, and the first motor drives the wheels to rotate; the wheel is driven by a second motor, and when the wheel rotates, the edge of the wheel is contacted with the surface of the wheel; a plurality of jumping blocks are circumferentially distributed on the surface of the roller; the device also comprises a deflection device for driving the wheels to deflect transversely; the brake device acts on at least one of a hub or a brake disc of the wheel. According to the bicycle wheel comprehensive testing machine disclosed by the utility model, the deflection device and the brake device are arranged, so that the data observation of the wheel in the deflection condition and the brake condition is realized, the scene in the riding process of the bicycle can be truly simulated, the problem of actual running of the wheel is reflected, and the testing condition of the testing machine is more comprehensive.

Description

Bicycle wheel comprehensive testing machine

Technical Field

The utility model relates to the field of bicycle wheel test devices, in particular to a bicycle wheel comprehensive test machine.

Background

Along with the improvement of leisure and environmental protection concepts, the bicycle sport is popular with wide consumers, so that bicycle operators continuously concentrate on and improve the aspects of style, function, structure, quality and the like, and have higher standard requirements on the safety of the bicycle, and the safety design of the bicycle is stronger. After finished products are finished, bicycle manufacturers detect quality requirement conditions of all components by using a testing machine, provide reference data to know whether the quality requirement is met, and commonly related testing machines in the bicycle field comprise a brake and brake system testing machine, a water-tolerant testing machine, a ramp testing machine, a driving endurance testing machine, a frame vibration testing machine and the like. In the prior art, a bicycle rim deflection testing machine as disclosed in Chinese patent publication No. CN203837921U is used for testing the conditions of ramp running, frame vibration and deflection of a bicycle rim. These test items are still not comprehensive for bicycle rims, such as tests of the running process of the bicycle in the absence of braking, shifting.

Disclosure of utility model

The utility model provides a comprehensive testing machine for a bicycle wheel, and aims to solve the problem that the existing testing device in the background art cannot test the state of the wheel under the conditions of braking and speed change of a bicycle.

In order to achieve the above purpose, the present utility model adopts the following scheme:

the utility model provides a bicycle wheel comprehensive testing machine, which comprises a mounting frame, wherein wheels for testing are arranged on the mounting frame, a first motor is arranged on the mounting frame, the first motor drives a turntable on the wheels to rotate, and the turntable is connected with the wheels through chains; the roller is positioned at the bottom of the wheel, and the rotation of the roller is driven by a second driving motor; as the wheel rotates, the edge of the wheel contacts the roller surface; a plurality of jumping blocks are circumferentially distributed on the surface of the roller; the deflection device drives the wheel to generate transverse deflection; and the braking device acts on at least one of a hub or a brake disc of the wheel.

Optionally, the testing machine further comprises a box body, wherein the box body comprises a top plate and surrounding plates, and a frame formed by erecting a plurality of sectional materials is arranged on the top plate; the mounting frame and the braking device are arranged on the top plate; the top plate is provided with a first opening, and part of the rollers penetrate through the first opening and are located above the top plate.

Optionally, the beat device includes third motor, runner, connecting rod, movable block and swing piece, the third motor set up in on the roof, the third motor drives the runner rotates, the runner eccentric is provided with the axostylus axostyle, the one end of connecting rod connect in the axostylus axostyle, the other end connect in the movable block, wear to be equipped with the pivot on the swing piece, works as the connecting rod drives when the movable block horizontal migration, the movable block drives the pivot rotates, the pivot drives swing piece lateral oscillation.

Optionally, the front end of the rotating shaft is connected with the movable block through a key; the section of the rotating shaft in contact with the swinging block is special-shaped; the surface of the rotating shaft is provided with a plurality of jacks, the connecting part of the swinging block and the rotating shaft is provided with an inserting block in a protruding mode, and when the rotating shaft is installed with the swinging block, the inserting block is inserted into the jacks.

Optionally, a groove is formed in the top plate, and the groove is located below the connecting rod.

Optionally, the braking device comprises a first brake, a second brake and a first cylinder, wherein the first brake acts on the hub, the second brake acts on the brake disc, and the first brake and the second brake are controlled through the first cylinder.

Optionally, the lifting device further comprises a lifting part, wherein the lifting part comprises a screw rod assembly and a sliding assembly; the screw assembly comprises a first bracket, a screw and a rotating hand wheel, wherein the first bracket comprises a first connecting plate, a second connecting plate and two third connecting plates, the first connecting plate is horizontally arranged up and down, the second connecting plate is vertically arranged left and right, the second connecting plate is fixedly connected with the swinging block, the screw is arranged on the first connecting plate and the second connecting plate in a penetrating way, the rotating hand wheel is connected with the screw and is positioned above the first connecting plate, and a guide rail is arranged on the surface of the third connecting plate; the sliding assembly is connected to the mounting frame and comprises a first sheet metal part, the first sheet metal part comprises two first vertical plates arranged in parallel and a second vertical plate connected with the end parts of the two first vertical plates, the sliding block is arranged on the second vertical plate, and the sliding block can move along the guide rail; the second vertical plate is provided with a protruding block in a protruding mode, and the screw rod penetrates through the protruding block.

Optionally, the mounting frame comprises two first cross beams and an N-shaped baffle frame, wherein the first cross beams are arranged in parallel, the wheel is positioned between the two first cross beams, the N-shaped baffle frame is positioned above the wheel, and two ends of the N-shaped baffle frame are respectively fixed on the two first cross beams; the balancing weight is arranged on two sides of the first cross beam and consists of a plurality of balancing weight cakes.

Optionally, the device further comprises a pressing piece, wherein the pressing piece comprises a second bracket and a linear motor, the second bracket comprises a fourth connecting plate and a fifth connecting plate which are horizontally arranged, and a sliding rod is arranged between the fourth connecting plate and the fifth connecting plate; the linear motor is provided with a motor shaft, the end part of the motor shaft is fixedly connected with the fifth connecting plate, and the linear motor is fixedly arranged on the fourth connecting plate; a second sheet metal part is arranged below the fifth connecting plate, the second sheet metal part comprises a bottom plate and third vertical plates at two sides of the bottom plate, a push rod is arranged on the bottom plate in a penetrating manner, a first mounting rod is arranged between the top of the push rod and the fifth connecting plate, and the first mounting rod is fixedly connected to the mounting frame; the fourth connecting plate is fixedly connected to the end part of the first vertical plate; the novel vertical plate comprises a first transverse beam and is characterized by further comprising a first mounting rod, wherein the first vertical plate is provided with two first supports, two second supports are arranged on the first transverse beam, the first mounting rod sequentially penetrates through the first supports and the second supports, and a bearing is arranged between the first mounting rod and the second supports.

Compared with the prior art, the utility model has the following advantages:

The bottom of wheel sets up the gyro wheel, and the gyro wheel contacts with the wheel edge when rotating, simulates the process that the wheel went on the road surface, through setting up beat device and brake equipment, realizes the wheel and surveys at beat condition, the data under brake condition and the change speed form, can more truly simulate the scene of bicycle riding in-process, reflects the problem of wheel in actual operation for the test condition of comprehensive testing machine is more comprehensive, can be for the design, manufacturing and the inspection of wheel pass through better reference.

Drawings

The application will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of a bicycle wheel testing machine in accordance with an embodiment of the present utility model.

Fig. 2 is a front view of the bicycle wheel integrated test machine.

FIG. 3 is a schematic view of the internal structure of the bicycle wheel integrated test machine case.

Fig. 4 is an exploded view of the structure of fig. 3.

Fig. 5 is a side view of the deflection device.

Fig. 6 is a diagram of the course of motion of the deflection device.

Fig. 7 is a perspective view of the deflection device.

Fig. 8 is a schematic structural view of the pressing member and the mounting frame.

Fig. 9 is an exploded view of fig. 8.

Fig. 10 is a schematic diagram of the structure at the time of pressing.

Fig. 11 is a front view of fig. 10 in a normal state.

Fig. 12 is a front view of fig. 10 in a pressed state.

Fig. 13 is a schematic structural view of the lifting part and the deflection device.

Fig. 14 is a schematic view of the structure of the wheel and the first motor.

Fig. 15 is a schematic structural view of a rotating shaft in the yaw device.

Description of main reference numerals:

1. A case; 11. a top plate; 12. coaming plate; 13. a frame; 14. a first opening; 15. a groove;

2. A mounting frame; 21. a first cross beam; 22. a baffle frame; 23. balancing weight;

3. wheels, 31 and hubs; 32. a brake disc; 33. a dental tray; 34. a first motor; 35. a turntable;

4. A brake device; 41. a first cylinder; 42. a first brake; 43. a second brake;

5. a speed change device; 51. a second cylinder; 52. a transmission;

6. A roller; 61. a second motor; 62. jumping blocks;

7. A deflection device; 71. a first motor; 72. a rotating wheel; 721. a shaft lever; 73. a connecting rod; 74. a movable block; 75. a rotating shaft; 751. a jack; 76. a swinging block;

8. A lifting part; 81. rotating a hand wheel; 82. a screw; 83. a first connection plate; 84. a second connecting plate; 85. a third connecting plate; 86. a first sheet metal part; 87. a slide block; 88. a bump; 89. a guide rail;

9. A pressing member; 91. a linear motor; 92. a fourth connecting plate; 93. a fifth connecting plate; 94. a second sheet metal part; 95. a push rod; 96. a first mounting bar; 97. and a second mounting bar.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples

Referring to the drawings in the specification, as shown in fig. 1-15, the application provides a bicycle wheel comprehensive testing machine, which comprises:

The box 1, box 1 includes roof 11 and is located bounding wall 12 all around, is provided with a frame 13 at the top of box 1, and frame 13 is built by many section bars. The bottom of the box 1 may also be provided with a plurality of cross-arranged profiles, on which the panels are laid.

Still include mounting bracket 2, mounting bracket 2 sets up on the roof 11 of box 1. The mounting frame 2 comprises two first cross beams 21 which are arranged in parallel, wheels 3 for testing are erected between the first cross beams 21, an N-shaped baffle frame 22 is arranged above the wheels 3, and two ends of the N-shaped baffle frame 22 are respectively fixed on the upper surfaces of the two first cross beams 21. A first motor 34 is fixedly arranged on the first beam 21, a motor shaft of the first motor 34 is connected with a turntable 35 on the wheel 3, and the turntable 35 is connected with the wheel 3 through a chain. After the first motor 34 rotates, the turntable 35 rotates with the first motor, and the chain on the turntable 35 drives the wheel 3 to rotate, so that the movement process of the bicycle is simulated.

Still include gyro wheel 6, gyro wheel 6 is the cylindric barrel of one side at least open-ended, and gyro wheel 6 accessible bracket is erect in box 1, and the support that supports gyro wheel 6 is erect on the panel of box 1 bottom. The roller 6 is located right below the wheel 3, a first opening 14 is formed in a corresponding position of the top plate 11 of the box 1, and the top of the roller 6 extends out of the first opening 14, so that the edge of the roller 6 contacts with the edge of the wheel 3. The rotation of the roller 6 is driven by a second motor 61, and chain transmission can be arranged between the roller 6 and the second motor 61. A plurality of jumping blocks 62 are uniformly distributed on the outer surface of the roller 6, and the jumping blocks 62 are connected with the roller 6 through bolts. In the process of rotating the wheel 3, the roller 6 also rotates, so that the purpose of simulating riding is realized. By arranging the jumping blocks 62, obstacles encountered by the wheels 3 in the riding process are simulated, so that the test scene of the comprehensive testing machine is more real. The second motor 61 is a damping motor, a fixed damping value is set for the damping motor, wind resistance coefficients in different modes are controlled in a multistage mode through background software, products are obtained according to the wind resistance coefficients and the fixed damping values, wind resistances in different riding states are obtained, and therefore the tester can simulate a more real riding scene.

The device also comprises a deflection device 7, and the wheel needs to deflect when the bicycle runs into a turn, so that the deflection condition of the wheel needs to be tested. The deflection device 7 in this embodiment includes a third motor 71, a rotating wheel 72, a connecting rod 73, a movable block 74 and a swinging block 76, the third motor 71 is disposed on the top plate 11, the third motor 71 drives the rotating wheel 72 to rotate, the rotating wheel 72 is eccentrically provided with a shaft 721, one end of the connecting rod 73 is connected to the shaft 721, the other end is connected to the movable block 74, a rotating shaft 75 is disposed on the swinging block 76 in a penetrating manner, and when the connecting rod 73 drives the movable block 74 to move horizontally, the movable block 74 drives the rotating shaft 75 to rotate, and the rotating shaft 75 drives the swinging block 76 to swing laterally. In order to ensure that the rotating shaft 75 rotates synchronously with the movable block 74 and the swinging block 76, the front end of the rotating shaft 75 is connected with the movable block 74 through a key; the section of the rotating shaft 75 contacting with the swinging block 76 is shaped. Further, a plurality of insertion holes 751 are formed in the surface of the rotation shaft 75, and insertion blocks are protruded from the connection portions of the swing block 76 and the rotation shaft 75, and are inserted into the insertion holes 751 when the rotation shaft 75 and the swing block 76 are mounted. In order to ensure the movable space of the connecting rod, a groove 15 is arranged on the top plate 11, and the position of the groove 15 is positioned below the connecting rod. In order to match the deflection of the wheels, the two sides of the first beam 21 are provided with balancing weights which are composed of a plurality of balancing weight cakes 23, and the balancing weights are arranged to prevent the wheels from drifting at the bottom of the wheels in the deflection process, so that the wheels are always contacted with the rollers in the deflection process. The weight is combined by a plurality of weight cakes 23, thereby adjusting the weight of the weight.

The bicycle wheel is braked by at least one brake mode of disc brake or wheel brake. Specifically, the braking device 4 includes a first brake 42, a second brake 43, and a first cylinder 41, the first brake 42 acts on the hub 31, the second brake 43 acts on the brake disc 32, and the first brake 42 and the second brake 43 are controlled by the first cylinder 41.

The speed changing device 5 is erected on the top plate 11 of the box body 1, the speed changing device 5 comprises a speed changer 52 and a second cylinder 51 for controlling the speed changer 52, the speed changer 52 acts on the chain wheel 33 of the wheel, a plurality of circles of chains are wound on the chain wheel 33 of the wheel, and the chains form a circle with gradually changed diameters after being wound on the chain wheel 33.

The roller 6, the deflection device 7, the brake device 4 and the speed change device 5 are used for testing the use state, the wear degree and the deflection condition of the wheels under the condition of simulating riding under different conditions, so that more test data are obtained, and reference data are provided for subsequent wheel design, manufacture and inspection.

In addition, since the N-shaped retainer 22 is provided at the top of the wheel and the bottom of the wheel 3 is in contact with the roller 6, there is insufficient space for mounting the wheel 3 on the mounting frame 2 when the wheel 3 is mounted. This embodiment makes the wheel 3 have enough space at the time of installation by raising or lowering the height of the mounting frame 2, and at the same time, the mounting frame 2 is laid flat after the wheel 3 is installed, so that the wheel 3 is brought into contact with the roller 6 for the test. Based on such a situation, the bicycle wheel comprehensive testing machine provided by the embodiment further comprises a lifting part 8, wherein the lifting part 8 comprises a screw rod component and a sliding component; the screw rod subassembly includes first support, screw rod 82 and rotatory hand wheel 81, and first support includes first connecting plate 83, the second connecting plate 84 of upper and lower level setting and controls two third connecting plates 85 of vertical setting, and second connecting plate 84 fixed connection is in swing piece 76, and first connecting plate 83 and second connecting plate 84 are worn to locate by screw rod 82, and rotatory hand wheel 81 is connected in screw rod 82 and is located the top of first connecting plate 83, and third connecting plate 85 surface is provided with guide rail 87. The sliding component is connected to the mounting frame 2 and comprises a first sheet metal part 86, the first sheet metal part 86 comprises two first vertical plates which are arranged in parallel and a second vertical plate which is connected with the end parts of the two first vertical plates, a sliding block 87 is arranged on the second vertical plate, and the sliding block 87 can move along a guide rail 89; the second riser is provided with a projection 88 extending therefrom, and the threaded rod 82 extends through the projection 88. By rotating the rotary hand wheel 81, the screw 82 is driven to rotate, and the slider 87 on the sliding assembly moves up and down along the guide rail 89, so that the height of the mounting frame 2 can be adjusted.

In addition, can also warp the one end of mounting bracket 2 to the height of mounting bracket 2 of raising wheel 3 position, based on such circumstances, a bicycle wheel integrated test machine that this embodiment provided still includes pressing piece 9, and pressing piece 9 includes second support and linear electric motor 91, and the second support includes fourth connecting plate 92 and the fifth connecting plate 93 that the level set up, is provided with the slide bar between fourth connecting plate 92 and the fifth connecting plate 93. The linear motor 91 is provided with a motor shaft, the end of the motor shaft is fixedly connected with the fifth connecting plate 93, and the linear motor 91 is fixedly arranged on the fourth connecting plate 92. The fifth connecting plate 93 below is provided with second sheet metal component 94, and second sheet metal component 94 includes the third riser of bottom plate and bottom plate both sides, runs through on the bottom plate to be provided with ejector pin 95, is provided with first installation pole 96 between ejector pin 95 top and the fifth connecting plate 93, and first installation pole 96 fixed connection is in mounting bracket 2. The fourth connecting plate 92 is fixedly connected to the first riser end. Still include second installation pole 97, the second riser is provided with two first supports, is provided with two second supports on the first crossbeam, and the second installation pole passes first support and second support in proper order, is provided with the bearing between second installation pole 97 and the second support.

In summary, the bicycle wheel comprehensive testing machine provided by the application has the following advantages:

1. the bottom of the wheel 3 is provided with the roller 6, the roller 6 is in edge contact with the wheel 3 during rotation, the running process of the wheel on the road surface is simulated, the deflection condition of the wheel is realized by arranging the deflection device 7, the brake device 4 and the speed changing device 5, the data observation under the brake condition and the speed changing state can simulate the scene of the bicycle riding process more truly, the problem of the wheel in actual running is reflected, the test condition of the comprehensive testing machine is more comprehensive, and better references can be passed through for the design, the manufacture and the test of the wheel.

2. In order to facilitate the installation of the wheels, a lifting part 8 capable of adjusting the height of the installation frame 2 and a pressing part 9 capable of controlling one end of the installation frame 2 to tilt are further arranged on the installation frame, so that enough space is reserved between the wheels 3 and the rollers 6 during the installation, and meanwhile, the wheels 3 and the rollers 6 can be contacted during the test.

3. Under the condition of ensuring the constant rotation speed of the wheel 3, the acting force of the wheel 3 is changed by changing the power of the first motor 34, so that the acceleration performance of the wheel 3 is monitored; the speed of the wheel 3 can be changed by the action of the speed changing device 5, and the overall performance of the wheel 3 can be tested by changing the speed of the wheel 3.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims (10)

1. A bicycle wheel integrated testing machine, comprising:

The test device comprises a mounting frame, a test wheel and a test device, wherein the wheel for testing is arranged on the mounting frame, a first motor is arranged on the mounting frame, the first motor drives a turntable on the wheel to rotate, and the turntable is connected with the wheel through a chain;

The roller is positioned at the bottom of the wheel, and the rotation of the roller is driven by a second driving motor; as the wheel rotates, the edge of the wheel contacts the roller surface; a plurality of jumping blocks are circumferentially distributed on the surface of the roller;

the deflection device drives the wheel to generate transverse deflection;

And the braking device acts on at least one of a hub or a brake disc of the wheel.

2. The bicycle wheel integrated test machine according to claim 1, wherein:

The box body comprises a top plate and surrounding plates, and a frame formed by erecting a plurality of sectional materials is arranged on the top plate; the mounting frame and the braking device are arranged on the top plate;

The top plate is provided with a first opening, and part of the rollers penetrate through the first opening and are located above the top plate.

3. A bicycle wheel integrated testing machine according to claim 2, wherein:

The deflection device comprises a third motor, a rotating wheel, a connecting rod, a movable block and a swinging block, wherein the third motor is arranged on the top plate, the third motor drives the rotating wheel to rotate, the rotating wheel is eccentrically provided with a shaft lever, one end of the connecting rod is connected with the shaft lever, the other end of the connecting rod is connected with the movable block, a rotating shaft is arranged on the swinging block in a penetrating mode, and when the connecting rod drives the movable block to horizontally move, the movable block drives the rotating shaft to rotate, and the rotating shaft drives the swinging block to transversely swing.

4. A bicycle wheel integrated test machine according to claim 3, wherein:

The front end of the rotating shaft is connected with the movable block through a key; the section of the rotating shaft in contact with the swinging block is special-shaped;

the surface of the rotating shaft is provided with a plurality of jacks, the connecting part of the swinging block and the rotating shaft is provided with an inserting block in a protruding mode, and when the rotating shaft is installed with the swinging block, the inserting block is inserted into the jacks.

5. A bicycle wheel integrated test machine according to claim 3, wherein:

the top plate is provided with a groove, and the groove is positioned below the connecting rod.

6. The bicycle wheel integrated test machine according to claim 1, wherein:

The brake device comprises a first brake, a second brake and a first air cylinder, wherein the first brake acts on the hub, the second brake acts on the brake disc, and the first brake and the second brake are controlled through the first air cylinder.

7. The bicycle wheel integrated test machine according to claim 1, wherein:

The gear shifting device comprises a gear shifting device and a second cylinder for controlling the gear shifting device, and the gear shifting device acts on the tooth disc of the wheel.

8. The bicycle wheel integrated test machine according to claim 1, wherein:

the lifting part comprises a screw rod assembly and a sliding assembly;

The screw assembly comprises a first bracket, a screw and a rotating hand wheel, wherein the first bracket comprises a first connecting plate, a second connecting plate and two third connecting plates, the first connecting plate is horizontally arranged up and down, the second connecting plate is vertically arranged left and right, the second connecting plate is fixedly connected with the swinging block, the screw is arranged on the first connecting plate and the second connecting plate in a penetrating way, the rotating hand wheel is connected with the screw and is positioned above the first connecting plate, and a guide rail is arranged on the surface of the third connecting plate;

The sliding assembly is connected to the mounting frame and comprises a first sheet metal part, the first sheet metal part comprises two first vertical plates arranged in parallel and a second vertical plate connected with the end parts of the two first vertical plates, the sliding block is arranged on the second vertical plate, and the sliding block can move along the guide rail; the second vertical plate is provided with a protruding block in a protruding mode, and the screw rod penetrates through the protruding block.

9. The bicycle wheel integrated test machine according to claim 8, wherein:

The mounting frame comprises two first cross beams which are arranged in parallel and an N-shaped baffle frame, the wheel is positioned between the two first cross beams, the N-shaped baffle frame is positioned above the wheel, and two ends of the N-shaped baffle frame are respectively fixed on the two first cross beams;

The balancing weight is arranged on two sides of the first cross beam and consists of a plurality of balancing weight cakes.

10. The bicycle wheel integrated test machine according to claim 9, wherein:

The pressing piece comprises a second bracket and a linear motor, wherein the second bracket comprises a fourth connecting plate and a fifth connecting plate which are horizontally arranged, and a sliding rod is arranged between the fourth connecting plate and the fifth connecting plate; the linear motor is provided with a motor shaft, the end part of the motor shaft is fixedly connected with the fifth connecting plate, and the linear motor is fixedly arranged on the fourth connecting plate; a second sheet metal part is arranged below the fifth connecting plate, the second sheet metal part comprises a bottom plate and third vertical plates at two sides of the bottom plate, a push rod is arranged on the bottom plate in a penetrating manner, a first mounting rod is arranged between the top of the push rod and the fifth connecting plate, and the first mounting rod is fixedly connected to the mounting frame; the fourth connecting plate is fixedly connected to the end part of the first vertical plate;

the novel vertical plate comprises a first transverse beam and is characterized by further comprising a first mounting rod, wherein the first vertical plate is provided with two first supports, two second supports are arranged on the first transverse beam, the first mounting rod sequentially penetrates through the first supports and the second supports, and a bearing is arranged between the first mounting rod and the second supports.