The utility model belongs to the field of wheel hub detection, and particularly relates to a wheel rim detection weighing balance device, including a base, a fixing bolt, a sensor, a horizontal limit protection, a load bearing head, a vertical limit protection, a pressure plate, a support rod chassis, and a support Rod, sliding nut, sliding plate, bearing plate, pressure plate, pressure relief pad, spring, balance ball, bracket, the fixing bolt is inside the base, and the sensor and vertical limit protection are on the top of the base , The vertical limit protection is beside the sensor, the horizontal limit protection and support rod chassis are inside the sensor, the load bearing head is above the sensor, and the pressure plate is at the The load-bearing indenter is on the upper side of the load-bearing indenter and the vertical limit protection, the support rod is on the upper surface of the support rod chassis, the support rod is beside the pressure plate, the sliding nut, the sliding plate, and the bearing The plate and the pressure plate are on the support rod.
【technical background】
[0002] The impact of hub size and weight on performance
[0003] Many people think that widening the tires with large wheels will improve performance, which is absolutely wrong.
[0004] The size of the tire and the wheel hub directly affects the momentum of rotation and the momentum of linear motion, as the saying goes, is the cause of inertia. If the inertia increases, it affects both acceleration and braking.
[0005] If you want to improve performance, but also want to enlarge and widen the tire, the necessary approach is to use lightweight wheels.
[0006] Tire inertia has two main inertias:
[0007] I wheel moment of inertia
[0008] Tire rotational inertia directly affects acceleration performance. Because the greater the tire's inertia during acceleration, the slower the tire revolutions will rise, and the slower the car will accelerate.
[0009] 2 Inertia of the wheels moving up and down
[0010] Because the road is not 100% flat, in high-speed driving, if the road has ups and downs, the tire will move up and down in the suspension direction to buffer, and then bounce back to the surface. If the tire's inertia increases, the time to bounce back to the surface will increase, resulting in an increase in the time of the tire in the air, resulting in discontinuous power output or increased skidding opportunities.
[0011] To reduce the inertia of the wheel is to consider reducing the weight of the wheel, which includes the wheel hub and the tire. Choosing lightweight wheels is the most direct way. But the size of the hub also affects the inertia of the wheel. For example: a 17-inch wheel and tires combined are 40 kilograms, and another 18-inch wheel with the same shape and tires combined are 40 kilograms. You might think that these two tires have the same inertia, but in fact, the 18-inch tire has an increased inertia due to the more external mass. Performance will also decrease.
[0012] If you want to achieve both aesthetics and performance, lightweight wheels must be used. In this way, the increase in inertia caused by weight movement is compensated for in the case of weight reduction. For the 18-inch to have better performance than the 17-inch, the weight of each wheel must be reduced by at least 2 kg to achieve.
[0013] Then, the effect of the shape of the object on the moment of inertia can be obtained on the wheel hub, regardless of the tire. The shape of the hub itself also affects the moment of inertia of the wheel. Two wheels of the same size and weight. If the shape is different, their moment of inertia is also different.
[0014] Therefore, the selection of a hub depends not only on the total mass of the hub, but also on where the mass is distributed. The farther the mass is from the center, the worse.
[0015] The shape of the wheel hub has no effect on the up and down movement of the tire. The linear inertia of wheels of the same mass is the same (Newton's law). When the tires move up and down caused by uneven roads, the time to bounce back to the ground is the same. Of course, the lighter the wheel bounces back to the ground faster, while reducing the wheel suspension time and increasing the ground time.
[Content of the invention]
[0016] The present utility model provides a wheel hub detection and balance device to solve the problem of inaccurate weighing caused by the easy sliding and tilting of the wheel hub proposed in the background art.
[0017] The technical problem solved by the utility model is realized by the following technical solutions: the utility model provides a wheel hub detection weighing balance device, which is characterized in that it includes a base, a fixing bolt, a sensor, a horizontal limit protection, a bearing pressure Head, vertical limit protection, pressure plate, support rod chassis, support rod, sliding nut, sliding plate, load bearing plate, pressure plate, pressure relief pad, spring, balance ball, bracket, the fixing bolt is on the base Inside, the sensor and the vertical limit protection are on the top of the base, the vertical limit protection is beside the sensor, one end of the vertical limit protection is connected to the base, and the vertical limit protection is The other end is connected to the pressure-bearing plate, the horizontal limit protection and support rod chassis are inside the sensor, the load-bearing indenter is above the sensor, and the horizontal limit protection is connected to the load-bearing indenter , The bearing indenter is beside the vertical limit protection, the bearing plate is on the bearing indenter and the vertical limit protection, the bearing indenter is connected to the bearing plate, The support rod is on the top of the support rod chassis, the support rod is beside the pressure bearing plate, and the sliding nut, sliding plate, bearing plate, and pressure plate are on the support rod.
[0018] One end of the support rod is connected to the bearing plate, the other end of the support rod is connected to the support rod chassis, the bearing plate and the pressure plate are beside the pressure plate, and the pressure plate is On the upper surface of the bearing plate, the pressure relief pad is between the bearing plate and the pressure plate.
[0019] The spring and the balance ball are between the sliding plate and the bearing plate, the balance ball is on the sliding plate, the spring is between the support rod and the balance ball, and one end of the spring The bearing plate is connected, and the other end of the spring is connected to the balance ball.
[0020] The support rod penetrates the sliding nut and the sliding plate, the sliding nut is below the sliding plate, the bracket is between the sliding nut and the sliding plate, and one end of the bracket is connected to the A sliding nut, the other end of the bracket is connected to the sliding plate.
[0021] The beneficial effects of the utility model are:
[0022] The wheel hub detection weighing balance device is provided with a bearing plate and a pressure plate with a spring and a balance ball, which can solve the problem of inaccurate weighing caused by the easy sliding and tilt of the wheel on the bearing plate.
[0023] 2 The load-bearing plate and pressure plate can play a role in protecting the hub. When the hub is transported and moved, the hub will shake and tilt, which may easily cause damage to the weighing device and bumps of the hub itself, and maintain the balance and stability of the hub. The pressure pad can reduce the impact and maintain the stable operation of the device.
[0024] 3 The load-bearing plate and pressure plate can assist in the weighing of the wheel hub. There are additional devices on the special-shaped wheel hub or the wheel hub. The bearing plate is often unable to effectively measure the overall weight. The spring and balance ball can stabilize the part of the hub that is not on the bearing plate. , Get the overall measurement data.
[0025] The 4 bracket can keep the support rod stable without shaking and affecting the operation of the device.
【detailed description】
[0027] The utility model is further described below in conjunction with the drawings:
[0028] In the figure: 1_ base, 2- fixing bolt, 3- sensor, 4- horizontal limit protection, 5- bearing pressure head, 6_ vertical limit protection, 7- bearing plate, 8-support rod chassis , 9-support rod, 10-sliding nut, 11-sliding plate, 12-bearing plate, 13-pressure plate, 14-pressure relief pad, 15-spring, 16-balance ball, 17-bracket.
[0029] Example:
[0030] This embodiment includes a base 1, a fixing bolt 2, a sensor 3, a horizontal limit protection 4, a bearing head 5, a vertical limit protection 6, a pressure plate 7, a support rod chassis 8, a support rod 9, and a sliding nut 10. Sliding plate 11, load-bearing plate 12, pressure plate 13, pressure relief pad 14, spring 15, balance ball 16, bracket 17, fixed pin 2 in the base I, sensor 3, vertical limit protection 6 in the base I Above, the vertical limit protection 6 is beside the sensor 3, one end of the vertical limit protection 6 is connected to the base 1, the other end of the vertical limit protection 6 is connected to the pressure plate 7, the horizontal limit protection 4, the support rod chassis 8 are on the sensor Inside 3, the load-bearing indenter 5 is above the sensor 3, the horizontal limit protection 4 is connected to the load-bearing indenter 5, the load-bearing indenter 5 is beside the vertical limit protection 6, and the load-bearing plate 7 is on the load-bearing indenter. , Above the vertical limit protection 6, the bearing head 5 is connected to the bearing plate 7, the support rod 9 is on the support rod chassis 8, the support rod 9 is beside the pressure plate 7, the sliding nut 10, the sliding plate 11, and the bearing The plate 12 and the pressure plate 13 are on the support rod 9.
[0031] One end of the support rod 9 is connected to the bearing plate 12, and the other end of the support rod 9 is connected to the support rod chassis 8. The bearing plate 12 and the pressure plate 13 are beside the pressure plate 7, and the pressure plate 13 is above the bearing plate 12. The pressure relief pad 14 is between the bearing plate 12 and the pressure plate 13.
[0032] The spring 15, the balance ball 16 are between the sliding plate 11 and the bearing plate 12, the balance ball 16 is on the sliding plate 11, the spring 15 is between the support rod 9, the balance ball 16, and one end of the spring 15 is connected to the bearing plate 12 , The other end of the spring 15 is connected to the balance ball 16.
[0033] The support rod 9 penetrates the sliding nut 10 and the sliding plate 11, the sliding nut 10 is under the sliding plate 11, the bracket 17 is between the sliding nut 10 and the sliding plate 11, one end of the bracket 17 is connected to the sliding nut 10, and the bracket 17 The other end is connected to the sliding plate 11.
[0034] Using the technical solution of the present utility model, or those skilled in the art under the inspiration of the technical solution of the present utility model, design similar technical solutions, and achieve the above technical effects, all fall into the present utility model The scope of protection.
【Rights request】
1. A wheel hub detection weighing and balance device, characterized in that it includes a base, a fixing bolt, a sensor, a horizontal limit protection, a load bearing head, a vertical limit protection, a pressure plate, a support rod chassis, a support rod, and a sliding nut , Sliding plate, load-bearing plate, pressure plate, pressure relief pad, spring, balance ball, bracket, the fixing bolt is inside the base, the sensor and the vertical limit protection are on the top of the base, the vertical The limit protection is beside the sensor, one end of the vertical limit protection is connected to the base, the other end of the vertical limit protection is connected to the pressure plate, and the horizontal limit protection and support rod chassis are at Inside the sensor, the load-bearing indenter is above the sensor, the horizontal limit protection is connected to the load-bearing indenter, and the load-bearing indenter is beside the vertical limit protection. The plate is above the bearing indenter and the vertical limit protection of the bearing indenter, the bearing indenter is connected to the bearing plate, the support rod is on the upper surface of the support rod chassis, and the support rod is on the Beside the bearing plate, the sliding nut, sliding plate, bearing plate and pressure plate are on the supporting rod.
2. A wheel hub detection weighing balance device according to claim 1, characterized in that: one end of the support rod is connected to the bearing plate, the other end of the support rod is connected to the support rod chassis, and the The bearing plate and the pressure plate are beside the bearing plate, the pressure plate is on the upper side of the bearing plate, and the pressure relief pad is between the bearing plate and the pressure plate.
3. A wheel hub detection weighing balance device according to claim 1, characterized in that: the spring and the balance ball are between the sliding plate and the bearing plate, and the balance ball is on the sliding plate, The spring is between the support rod and the balance ball, one end of the spring is connected to the bearing plate, and the other end of the spring is connected to the balance ball.
4. A wheel hub detection weighing balance device according to claim 1, characterized in that: the support rod penetrates the sliding nut and the sliding plate, the sliding nut is under the sliding plate, and the bracket Between the sliding nut and the sliding plate, one end of the bracket is connected with the sliding nut, and the other end of the bracket is connected with the sliding plate.
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