High-speed balance shaft mechanism

By using connecting components, bearings, and fastening nuts in the balance shaft mechanism, the problem of elastic deformation of the drive shaft during high-speed rotation is solved, resulting in more stable transmission and longer equipment life.

CN223953202UActive Publication Date: 2026-02-27WU XI AI NUO KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202520324579.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-27
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

When the motor drives the existing balance shaft mechanism at excessively high speeds, the drive shaft may undergo elastic deformation, causing the actual rotational position of the shaft to deviate from the ideal state, which in turn leads to vibration.

Method used

The components are fixed to the frame using connecting assemblies. The first bearing is sleeved on the drive shaft, and the second bearing is sleeved on the balance shaft. The drive shaft gear meshes with the balance shaft gear and is reinforced by fastening nuts and washers. The connecting assemblies are spaced apart on the drive shaft and balance shaft to enhance rigidity and provide uniform support.

Benefits of technology

It reduces vibration caused by high-speed rotation, improves transmission efficiency, extends equipment life, ensures stable operation of the system under high load, and reduces gear wear and damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The high-speed balance shaft mechanism comprises a rack, a connecting assembly, a driving shaft and a balance shaft, a motor drives the driving shaft to rotate, a driving shaft gear rotates synchronously, the driving shaft gear is meshed with a balance shaft gear, the driving shaft gear rotates to enable the balance shaft gear to rotate reversely, the balance shaft gear rotates synchronously and reversely, and the connecting assembly is fixed to the rack. The first bearing is fixedly sleeved on the driving shaft, and the second bearing is fixedly sleeved on the balance shaft, so that the rigidity of the balance shaft and the driving shaft on the rack is increased, the vibration caused by high-speed rotation is reduced, the transmission efficiency is improved, the abrasion is reduced, and the service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to balanced axle technical field especially relates to high -speed balanced axle mechanism. BACKGROUND

[0002] The existing balanced axle mechanism includes balanced axle, balanced axle gear, drive shaft and drive shaft gear, balanced axle and drive shaft are erected on the frame, motor drives drive shaft rotation, drive shaft gear synchronous rotation, drive shaft gear and balanced axle gear mesh, balanced axle gear rotation drives balanced axle rotation, makes balanced axle and drive shaft with same rotating speed reverse rotation realizes offsetting vibration of device when eccentric force causes, if the rotating speed of motor drive is too high, drive shaft can occur elastic deformation, leads to the actual rotating position of shaft deviating from ideal state, further leads to vibration.

[0003] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0004] In view of the deficiencies of the prior art, the embodiments of the utility model disclose a high-speed balanced axle mechanism to solve the problem that the rotating speed of motor drive is too high, drive shaft can occur elastic deformation, leading to the actual rotating position of shaft deviating from ideal state, further leading to vibration.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The high-speed balanced axle mechanism comprises:

[0007] A frame;

[0008] A connecting assembly, the top end of the connecting assembly is fixed to the frame, and the bottom end of the connecting assembly is symmetrically provided with a first bearing and a second bearing on both sides;

[0009] A drive shaft, one end of the drive shaft is connected to the output end of a motor, a drive shaft gear is fixedly sleeved on the drive shaft, and the first bearing is fixedly sleeved on the drive shaft;

[0010] A balanced axle, a balanced axle gear is fixedly sleeved on the balanced axle, the second bearing is fixedly sleeved on the balanced axle, and the drive shaft gear is engaged with the balanced axle gear.

[0011] Further, the connecting assembly comprises a bearing seat and a connecting part, the bearing seat is arranged at the bottom end of the connecting part, and the top end of the connecting part is fixed to the frame.

[0012] Further, the bearing seat is symmetrically provided with two holes on two sides, and the first bearing and the second bearing are respectively clamped in the two holes.

[0013] Further, the balance shaft gear has two balance shaft gears symmetrically fixed on two ends of the balance shaft, and the drive shaft gear has two drive shaft gears symmetrically fixed on two ends of the drive shaft.

[0014] Further, the high-speed balance shaft mechanism comprises four fastening nuts, and the four fastening nuts are respectively threadedly connected to two ends of the drive shaft and two ends of the balance shaft.

[0015] Further, the high-speed balance shaft mechanism comprises four fastening nuts, and the four fastening nuts are respectively threadedly connected to two ends of the drive shaft and two ends of the balance shaft.

[0016] Further, the connecting assembly has a plurality of connecting assemblies, and the plurality of connecting assemblies are spaced apart and sleeved on the drive shaft and the balance shaft.

[0017] Further, the drive shaft is provided with a clamping portion at two ends, and the clamping portion is clamped on the output end of the motor.

[0018] The beneficial effects of the embodiment of the utility model are as follows:

[0019] (1) The high-speed balance shaft mechanism comprises a rack, a connecting assembly, a drive shaft and a balance shaft, a motor drives the drive shaft to rotate, a drive shaft gear rotates synchronously, the drive shaft gear is engaged with a balance shaft gear, the rotation of the drive shaft gear causes the balance shaft gear to rotate reversely, the balance shaft gear rotates reversely synchronously, the connecting assembly is fixed on the rack, a first bearing is fixedly sleeved on the drive shaft, and a second bearing is fixedly sleeved on the balance shaft, the rigidity of the balance shaft and the drive shaft on the rack is increased, vibration caused by high-speed rotation is reduced, transmission efficiency is improved, wear is reduced, and the service life of equipment is prolonged.

[0020] (II) Further, the balance shaft gear has two, two balance shaft gears are symmetrically fixed on both ends of the balance shaft respectively, the drive shaft gear has two, two drive shaft gears are symmetrically fixed on both ends of the drive shaft respectively, two drive shaft gears are engaged with two balance shaft gears, the drive shaft gears and the balance shaft gears arranged on both sides can evenly distribute load, avoid that unilateral gear is subjected to excessive force, reduce the wear and damage of the gear, ensure that the system is more stable when running at high speed, especially in high load conditions, two gears work at the same time so that the load of each gear is effectively shared.

[0021] (III) Further, the connecting assembly has several, several connecting assemblies are spaced on the drive shaft and the balance shaft, the top ends of the several connecting assemblies are fixed on the rack, and the several connecting assemblies are distributed at different positions, so that the drive shaft and the balance shaft can be more evenly supported, the axial or radial force generated by high-speed rotation is reduced, and the vibration caused by unbalanced load is reduced through the spaced distribution of the several connecting assemblies. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the axial view of the high-speed balance shaft mechanism.

[0023] Figure 2 It is the axial view of the high-speed balance shaft mechanism. Figure 1 It is the axial view of the high-speed balance shaft mechanism.

[0024] In the figure:

[0025] 1, connecting assembly; 11, first bearing; 12, second bearing; 13, bearing seat; 14, connecting part; 2, drive shaft; 3, balance shaft; 4, clamping part; 5, drive shaft gear; 6, balance shaft gear; 7, fastening nut; 8, gasket. DETAILED DESCRIPTION

[0026] The specific implementation manner of the utility model will be described below in combination with the drawings.

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the device of the utility model combining with the drawings and specific embodiments. According to the following description, the advantages and features of the utility model will be more clearly. It should be noted that the drawings are very simplified and all use non-precise proportions, only to facilitate, clearly assist the purpose of explaining the embodiment of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the drawings. It should be known that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, for the understanding and reading of persons skilled in the art, and not used to limit the limiting conditions of the implementation of the utility model, so it does not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose that can be produced by the utility model, should still fall within the range covered by the disclosed technical content of the utility model.

[0028] Embodiment:

[0029] Figure 1 It is a front view structural schematic diagram of the utility model high-speed balance shaft mechanism. Figure 2 It is Figure 1 The enlarged view at A. As Figures 1-2 Shown, high-speed balance shaft mechanism includes frame, connecting assembly 1, drive shaft 2 and balance shaft 3, the top end of connecting assembly 1 is fixed on the frame, the bottom end of connecting assembly 1 is respectively provided with first bearing 11 and second bearing 12 on both sides symmetrically. Exemplarily, connecting assembly 1 includes bearing seat 13 and connecting portion 14, bearing seat 13 is arranged at the bottom end of connecting portion 14, and the top end of connecting portion 14 is fixed on the frame. Specifically, bearing seat 13 is symmetrically provided with two holes on both sides, and first bearing 11 and second bearing 12 are respectively clamped in the two holes. One end of drive shaft 2 is connected to the output end of motor. Exemplarily, the both ends of drive shaft 2 are provided with clamping portions 4, the clamping portions 4 are clamped to the output end of motor, and the motor drives drive shaft 2 to rotate. Drive shaft gear 5 is fixedly sleeved on drive shaft 2, first bearing 11 is fixedly sleeved on drive shaft 2, balance shaft gear 6 is fixedly sleeved on balance shaft 3, second bearing 12 is fixedly sleeved on balance shaft 3, drive shaft gear 5 and balance shaft gear 6 are engaged, and specifically, drive shaft gear 5 and balance shaft gear 6 are both helical gears.

[0030] As Figure 1As shown, further, the balance shaft gear 6 has two, two balance shaft gears 6 are respectively symmetrically fixed on both ends of the balance shaft 3, the drive shaft gear 5 has two, two drive shaft gears 5 are respectively symmetrically fixed on both ends of the drive shaft 2, two drive shaft gears 5 are engaged with two balance shaft gears 6, the drive shaft gears 5 and the balance shaft gears 6 arranged on both sides can evenly distribute the load, avoid unilateral gear to receive excessive force, reduce the wear and damage of the gear, ensure that the system is more stable when running at high speed, especially in high load conditions, two gears work at the same time so that the load of each gear is effectively shared.

[0031] As shown, Figure 2 Further, the high-speed balance shaft mechanism includes four fastening nuts 7, four fastening nuts 7 are respectively threaded on both ends of the drive shaft 2 and both ends of the balance shaft 3, two fastening nuts 7 are respectively located on the outside of the two drive shaft gears 5 and are tightly locked on both ends of the drive shaft 2, and the other two fastening nuts 7 are respectively located on the outside of the two balance shaft gears 6 and are tightly locked on both ends of the balance shaft 3, preventing the gear from loosening or falling off during high-speed rotation, ensuring the stable fixation between the gear and the shaft, thereby ensuring the normal work of the power transmission system, and the gear is under great stress during high-speed operation, which is prone to relative displacement, especially under high load conditions. By fixing the gear on the shaft end through the fastening nut 7, the displacement or axial sliding of the gear is avoided.

[0032] As shown, Figure 2 Further, the high-speed balance shaft mechanism includes four spacers 8, two spacers 8 are clamped between the fastening nut 7 and the drive shaft gear 5, and the other two spacers 8 are clamped between the fastening nut 7 and the balance shaft gear 6. The spacer 8 is located between the fastening nut 7 and the gear, which plays a buffering role, preventing the fastening nut 7 from directly contacting the gear. Because the gear and the fastening nut 7 may produce friction during high-speed rotation, the presence of the spacer 8 can reduce direct contact and reduce wear, protecting the surface of the gear and the fastening nut 7 from damage, thereby prolonging the service life, and the spacer 8 can absorb part of the friction vibration generated by the gear and the fastening nut 7.

[0033] As shown, Figure 1 Further, the connecting assembly 1 has a plurality of connecting assemblies 1, which are spaced and sleeved on the drive shaft 2 and the balance shaft 3, the top ends of the plurality of connecting assemblies 1 are fixed on the rack, and the plurality of connecting assemblies 1 are distributed at different positions, so that the drive shaft 2 and the balance shaft 3 can be more evenly supported, reducing the axial or radial force generated by high-speed rotation. By balancing these loads through the spaced distribution of the plurality of connecting assemblies 1, the vibration caused by unbalanced load is reduced.

[0034] The embodiment works as follows:

[0035] The motor is started, the motor drives the driving shaft 2 to rotate, the driving shaft gear 5 rotates synchronously, the driving shaft gear 5 meshes with the balance shaft gear 6, the rotation of the driving shaft gear 5 causes the balance shaft gear 6 to rotate reversely, the balance shaft gear 6 rotates reversely synchronously, and the balance shaft 3 rotates reversely at the same speed to offset the eccentric force generated when the driving shaft 2 rotates.

[0036] In this embodiment, the connecting assembly 1 is fixed on the frame, the first bearing 11 is fixedly sleeved on the driving shaft 2, and the second bearing 12 is fixedly sleeved on the balance shaft 3, so that the rigidity of the balance shaft 3 and the driving shaft 2 on the frame is increased, vibration caused by high-speed rotation is reduced, transmission efficiency is improved, wear is reduced, and the service life of the equipment is prolonged.

[0037] The technical features of the above embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0038] The above embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A high speed gimbal mechanism, characterized by, Include: Frame; Connecting assembly (1), the top end of the connecting assembly (1) is fixed on the frame, the bottom end of the connecting assembly (1) is respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides 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first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are 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the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12) are respectively provided with first bearing (11) and second bearing (12) on both sides of the connecting assembly (1), the first bearing (11) and the second bearing (12 ​ ​ 2. The high speed counterbalance shaft mechanism of claim 1, wherein: ​ 3. The high speed counterbalance shaft mechanism of claim 2, wherein: ​ 4. The high speed counterbalance shaft mechanism of claim 1, wherein: ​ 5. The high speed counterbalance shaft mechanism of claim 4, wherein: ​ 6. The high speed counterbalance shaft mechanism of claim 5, wherein: ​ 7. The high speed counterbalance shaft mechanism of claim 4, wherein: ​ 8. The high speed counterbalance shaft mechanism of claim 1, wherein: ​