Multilayer transmission gear

Abstract

A main body of the multi-layer transmission gear comprises a gear shaft, a gear hub, a power input tooth layer and a power output tooth layer. The gear shaft is provided with a front end shaft and a rear end shaft which are arranged at the circle center positions of the two end faces of the gear hub respectively. The gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than that of the bearing mounting shaft body; the gear hub is a cylinder; the power input tooth layer and the power output tooth layer are arranged on the side face of the gear hub. Teeth of the power input tooth layer are similar to 7-shaped teeth, and the tail ends of the teeth are not only arc-shaped, but also provided with convex similar semi-cylinders; every two teeth of the power input tooth layer form a pair, and the tail ends of the two teeth of each pair protrude to be similar to semi-cylinders and face to face.

Description

Technical Field

[0001] The present invention relates to gears, in particular to multi-layer transmission gears for labor-saving mechanical equipment. Background Art

[0002] Gear transmission is the most widely used form of mechanical transmission. It is characterized by high accuracy, high efficiency, compact structure, reliable operation, and long life. However, in current mechanical transmissions, whether used in planetary gear trains, differentials, accelerators, etc., the speed and power are inversely proportional. That is, as speed increases, power decreases; as speed decreases, power increases; or the speed remains the same, power remains the same. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a gear with a simple structure and wide application, which can make the speed equal and increase the power when the gears are transmitted.

[0004] The technical solution of the present invention is: a multi-layer transmission gear, the main body of which includes a gear shaft, a gear hub, a power input gear layer, and a power output gear layer; the gear shaft is provided with a front shaft and a rear shaft, which are respectively arranged at the center positions of the two end faces of the gear hub; the gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body; the gear hub is a cylinder; the power input gear layer and the power output gear layer are arranged on the side of the gear hub; The teeth of the power input gear layer are shaped like a figure 7, and the ends of the teeth are not only arc-shaped but also have protrusions similar to semi-cylinders. The teeth of the power input gear layer form a pair of two teeth, and the two teeth of each pair have protrusions at the ends thereof similar to semi-cylinders and face each other.

[0005] The beneficial effects of the present invention are strong practicality, high working efficiency and green environmental protection. In the transmission process of multiple gears, not only the speed of the power input gear and the power output gear rotating one circle are consistent, but also the power can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 This is a schematic diagram of the present invention Figure 2 This is a simplified diagram of the power input gear layer Figure 3 This is a simplified diagram of the power output gear layer Figure 4 This is a simplified diagram of power transmission when a tooth on the power input gear and the power output gear begins to engage with the multi-layer transmission gear. Figure 5This is a simplified diagram of power transmission when one tooth of the power input gear power output gear layer is balanced with the teeth of the meshing multi-layer transmission gear. Figure 6 This is a simplified diagram of power transmission when a tooth on the power input gear power output layer is about to engage with the teeth of the multi-layer transmission gear. DETAILED DESCRIPTION

[0007] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0008] The technical solution of the present invention is: a multi-layer transmission gear body comprises a gear shaft, a gear hub, a power input gear layer, and a power output gear layer.

[0009] The gear shaft is provided with a front end shaft and a rear end shaft, which are respectively arranged at the center positions of the two end faces of the gear hub; the front end shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body; the structure of the rear end shaft is consistent with the rear end shaft.

[0010] The gear hub is a cylinder, and the side surface of the gear hub is provided with a power input gear layer and a power output gear layer.

[0011] The teeth of the power input gear layer are shaped like a figure 7, and the ends of the teeth are not only arc-shaped but also have protrusions similar to semi-cylinders. The teeth of the power input gear layer form a pair of two teeth, and the two teeth of each pair have protrusions at the ends thereof similar to semi-cylinders and face each other.

[0012] The number of teeth in the power output gear layer is the same as the number of teeth in the power input gear layer, that is, the number of teeth in the power output gear layer is equal to half of the number of teeth in the power input gear layer.

[0013] The teeth of the power output tooth layer are similar to rectangular parallelepiped teeth, and the ends of the teeth are arc-shaped. The tooth thickness in the corresponding tooth groove is smaller than the tooth groove width.

[0014] In order to more intuitively reflect the beneficial transmission effect of the present invention, in conjunction with the accompanying drawings, when the power input gear passes through a multi-layer transmission gear of the present invention, it transmits power to the power output gear, as shown in the figure, In order to more conveniently and intuitively reflect the size of power input and power output, only the power transmission of the mutually meshing teeth is demonstrated. The number of teeth in the power output gear layer is consistent with the number of teeth in the power input gear layer.

[0015] like Figure 4 As shown in the figure, when a tooth of the power output tooth layer of the power input gear rotates to a position where it can engage with a tooth of the power input tooth layer of the multi-layer transmission gear 1, this position is the engagement point, which clearly shows that the length of the power arm of the power input tooth layer of the power input gear is equal to the length of the resistance arm of the power output tooth layer of the power output gear. The length of the resistance arm on the power output tooth layer of the power input gear is equal to the length of the power arm on the power input tooth layer of the multi-layer transmission gear 1. The length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 1 is less than the length of the power arm on the power input tooth layer of the multi-layer transmission gear 2. The length of the resistance arm on the power input tooth layer of the multi-layer transmission gear 2 is equal to the length of the power arm on the power input tooth layer of the multi-layer transmission gear 3. The length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 3 is less than the length of the power arm on the power input tooth layer of the power output gear; Assume: The length of the power arm of the power input gear is A, and the resistance arm is B; the length of the power arm of the multi-layer transmission gear 1 is C, and the resistance arm is D; the length of the power arm of the multi-layer transmission gear 2 is E, and the resistance arm is F; the length of the power arm of the multi-layer transmission gear 3 is G, and the resistance arm is H; the length of the power arm of the power output gear is I, and the resistance arm is J; then A = J, B = C, D < E, F = G, H < I. The total length of the power arms is A + C + E + G + I, and the total length of the resistance arms is B + D + F + H + J. For the convenience of calculation, the equal power arms and resistance arms are omitted. Since A = J, B = C, F = G, D < E, H < I, so E + I > D + H. In summary, the total length of the power arms is greater than the total length of the resistance arms, so the output power is greater than the input power.

[0016] As Figure 5 shown, it can be clearly seen that when a tooth of the power output tooth layer of the power input gear and a tooth of the power input tooth layer of the engaged multi-layer transmission gear 1 rotate to be parallel, it also reaches the middle of the distance between the engagement point and the separation point of the tooth engagement, which clearly shows that the length of the power arm of the power input tooth layer of the power input gear is equal to the length of the resistance arm of the power output tooth layer of the power output gear. The length of the resistance arm on the power output tooth layer of the power input gear is less than the length of the power arm on the power input tooth layer of the multi-layer transmission gear 1. The length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 1 is equal to the length of the power arm on the power input tooth layer of the multi-layer transmission gear 2. The length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 2 is less than the length of the power arm on the power input tooth layer of the multi-layer transmission gear 3. The length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 3 is equal to the length of the power arm on the power input tooth layer of the power output gear; Hypothesis: The length of the power arm of the power input gear is A1, and the length of the resistance arm is B1; the length of the power arm of the transmission gear 1 is C1, and the length of the resistance arm is D1; the length of the power arm of the transmission gear 2 is E1, and the length of the resistance arm is F1; the length of the power arm of the transmission gear 3 is G1, and the length of the resistance arm is H1; the length of the power arm of the power output gear is I1, and the length of the resistance arm is J1; then A1 = J1, B1 < C1, D1 = E1, F1 < G1, H1 = I1. The total length of the power arm is A1 + C1 + E1 + G1 + I1, and the total length of the resistance arm is B1 + D1 + F1 + H1 + J1. For the convenience of calculation, the equal power arms and resistance arms are omitted. Since A1 = J1, B1 < C1, D1 = E1, F1 < G1, H1 = I1, then B1 + F1 < C1 + G1. To sum up, the total length of the power arm is greater than the total length of the resistance arm. Therefore, the output power is greater than the input power.

[0017] As Figure 6 shown, when a tooth of the power input gear rotates to a position where it can be separated from the tooth of the engaged transmission gear, this position is the separation point, which clearly reflects that the length of the power arm of the power input tooth layer of the power input gear is equal to the length of the resistance arm of the power output tooth layer of the power output gear, the length of the resistance arm on the power output tooth layer of the power input gear is equal to the length of the power arm of the power input tooth layer of the multi-layer transmission gear 1, the length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 1 is less than the length of the power arm of the power input tooth layer of the multi-layer transmission gear 2, the length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 2 is equal to the length of the power arm of the power input tooth layer of the multi-layer transmission gear 3, and the length of the resistance arm on the power output tooth layer of the multi-layer transmission gear 3 is less than the length of the power arm of the power input tooth layer of the power output gear; Hypothesis: The length of the power arm of the power input gear is A2, and the length of the resistance arm is B2; The length of the power arm of the multi-layer transmission gear 1 is C2, and the length of the resistance arm is D2; the length of the power arm of the multi-layer transmission gear 2 is E2, and the length of the resistance arm is F2; the length of the power arm of the multi-layer transmission gear 3 is G2, and the length of the resistance arm is H2; the length of the power arm of the power output gear is I2, and the length of the resistance arm is J2; then A2 = J2, B2 = C2, D2 < E2, F2 = G2, H2 < I2. The total length of the power arm is A2 + C2 + E2 + G2 + I2, and the total length of the resistance arm is B2 + D2 + F2 + H2 + J2. For the convenience of calculation, the equal power arms and resistance arms are omitted. Since A2 = J2, B2 = C2, F2 = G2, D2 < E2, H2 < I2, therefore E2 + I2 > D2 + H2.

[0018] To sum up, the total length of the power arm is greater than the total length of the resistance arm. Therefore, the output power is greater than the input power.

[0019] To sum up, the more multi-layer transmission gears there are, the greater and smoother the output power.

[0020] To sum up, when several multi-layer transmission gears are transmitted together, the output power is always greater than the input power.

[0021] The teeth and tooth pairs of the meshing tooth layers of the power input gear, multi-layer transmission gear, and power output gear are consistent; therefore, the speeds of the gears rotating one circle are also consistent.

[0022] In summary, in the transmission process using multiple double-layer transmission gears of the present invention, not only are the speeds of one rotation of the power input gear and one rotation of the power output gear consistent, but the power can also be increased.

[0023] The above are merely preferred embodiments for illustration. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should fall within the scope of protection of the present invention.

Claims

1. Claims, a multi-layer transmission gear, characterized in that, The main body includes a gear shaft, a gear hub, a power input gear layer, and a power output gear layer; the gear shaft is provided with a front end shaft and a rear end shaft, which are respectively arranged at the center positions of the two end faces of the gear hub; the gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body; the gear hub is a cylinder; the power input gear layer and the power output gear layer are arranged on the side of the gear hub; The teeth of the power input gear layer are similar to the 7-shaped teeth, and the end of the teeth is not only arc-shaped, but also provided with a protrusion similar to a semi-cylinder; The teeth of the power input gear layer are each two in a pair, and the two teeth of each pair have protrusions at the ends thereof similar to semi-cylinders facing each other.

2. According to claim 1, a multi-layer transmission gear, characterized in that: The number of teeth in the power output gear layer is the same as the logarithm of the teeth in the power input gear layer, that is, the number of teeth in the power output gear layer is equal to half of the number of teeth in the power input gear layer.

3. According to claim 1, a multi-layer transmission gear, characterized in that: The tooth of the power output tooth layer is a rectangular parallelepiped tooth, and the end of the tooth is arc-shaped, and the tooth thickness in the corresponding tooth groove is smaller than the tooth groove width.

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