Low-noise and low-friction gear and transmission assembly thereof

Abstract

The utility model discloses a low-noise and low-friction gear and a transmission assembly thereof, and belongs to the technical field of gears. The device comprises a transmission component, a shaft body and a mounting seat, the transmission component comprises a driving shaft and two belt pulleys, a belt is sleeved between the two belt pulleys, a supporting component is mounted at the other end of the shaft body, the supporting component comprises a base, and a hydraulic supporting element is mounted on the top surface of the base. A pressure sensor is arranged on one side of the hydraulic supporting element, a first gear is installed in the middle of the shaft body, a second gear is installed at the other end of the driving shaft, a transmission gear is meshed with the upper portion of the first gear, a mounting base is connected to one end of the driving shaft and is in a U-shaped plate shape, and driven gears are installed on the three side walls of the U-shaped plate of the mounting base. Through cooperation of the supporting assembly, the mounting base, the driven gear and the driving gear, the supporting rigidity and position can be adjusted in real time, it is guaranteed that the gears are in the optimal meshing state all the time, and friction and noise caused by poor meshing are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear technical field, concretely to a low noise low friction gear and transmission assembly thereof. BACKGROUND

[0002] In the existing mechanical transmission system, gear transmission is a common transmission mode, and gear and gear products are important basic components of mechanical equipment. The main transmission components of most complete sets of mechanical equipment are gear transmission. The most common is to realize power transmission through the cooperation of gears and shafts, and is widely used in various mechanical equipment such as automobiles, machine tools and engineering machinery.

[0003] Traditional gear transmission has some problems in the running process. The friction between gears is large, which not only leads to energy loss and reduces transmission efficiency, but also produces large wear and shortens the service life of gears. In addition, vibration and impact caused by friction will cause a lot of noise. UTILITY MODEL CONTENTS

[0004] The utility model discloses a low noise low friction gear and transmission assembly thereof, through the cooperation of supporting assembly, mounting seat, driven gear and driving gear, the supporting stiffness and position can be adjusted in real time, the gear is ensured to be in the best meshing state all the time, and the friction and noise caused by poor meshing are reduced.

[0005] The utility model is realized through the following technical schemes:

[0006] The utility model discloses a low noise low friction gear and transmission assembly thereof, including transmission assembly and shaft body, transmission assembly includes drive shaft and belt pulley, the number of belt pulley is two, the one end of upper belt pulley is rotatably connected drive shaft, the one end of lower belt pulley is rotatably connected in the one end of shaft body, and the belt pulley is connected between two belt pulleys and is provided with the belt of sleeve joint, the other end of shaft body is installed with supporting assembly, and supporting assembly includes base, the top surface of base is installed with hydraulic supporting element, one side of hydraulic supporting element is provided with pressure sensor, the middle part of shaft body is installed with first gear, the other end of drive shaft is installed with second gear, and the upper part of first gear is engaged and is provided with transmission gear.

[0007] Further, the installation hole is opened in the middle part of the belt pulley, and the shaft body and the one end of the drive shaft are respectively arranged on the installation hole.

[0008] Further, the one end of the shaft body away from the belt pulley is provided with a notch, and the top end of the hydraulic supporting element is abutted and installed on the bottom surface of the notch.

[0009] Further, four positioning rods are arranged on the base, the four positioning rods are arranged in a surrounding manner at the periphery of the hydraulic supporting element, the positioning rod is composed of an upper insertion rod and a lower positioning cylinder, and the insertion rod is inserted and arranged at the bottom end of the positioning cylinder.

[0010] Further, the driving shaft and the shaft body are arranged in parallel with each other, the second gear is located above the first gear, a gap is arranged between the first gear and the second gear, and the transmission gear is located in the gap.

[0011] The low-noise and low-friction gear comprises a mounting seat connected to one end of a driving shaft, the mounting seat is in the shape of a U-shaped plate, three side walls of the U-shaped plate of the mounting seat are each provided with a driven gear, one end of two opposite driven gears is provided with a driving gear in meshing mode, and one end of the driving gear is provided with a transmission shaft.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses the cooperation of support assembly, mounting seat, driven gear and driving gear can adjust support rigidity and position in real time, ensure that the gear is always in the best meshing state, reduce the friction and noise caused by bad meshing, improve transmission efficiency and prolong the service life of the gear, the mounting seat is in the shape of a U-shaped plate, and the gear on the mounting seat adopts drum-shaped tooth modification, effectively disperses force, reduces vibration and deformation, avoids stress concentration and local wear and tear, and further reduces noise and friction.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the gear and its transmission assembly;

[0016] Figure 2 It is a second structural schematic view of the gear and its transmission assembly;

[0017] Figure 3 It is a structural schematic view of the driving shaft, the second gear, the mounting seat, the driven gear, the driving gear and the transmission shaft;

[0018] Figure 4 It is a structural schematic view of the shaft body, the support assembly and the first gear.

[0019] In the drawings: 1, transmission assembly; 101, driving shaft; 102, pulley; 103, belt; 2, shaft body; 3, support assembly; 301, base; 302, hydraulic supporting element; 303, pressure sensor; 4, first gear; 5, transmission gear; 6, second gear; 7, mounting seat; 8, driven gear; 9, driving gear; 10, transmission shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of low noise low friction gear and its transmission assembly, including transmission assembly 1 and shaft body 2, transmission assembly 1 includes driving shaft 101 and belt pulley 102, the number of belt pulley 102 is two, upper belt pulley 102 one end rotationally connects driving shaft 101, lower belt pulley 102 one end rotationally connects in one end of shaft body 2, two belt pulleys 102 are provided with belt 103 between sleeve joint, belt pulley 102 middle part is provided with mounting hole, shaft body 2 and driving shaft 101 one end are respectively arranged on mounting hole, so that the power of driving shaft 101 can effectively be transmitted to shaft body 2, two belt pulleys 102 are connected by belt 103, and power transmission is carried out between two belt pulleys 102 by the belt 103 of sleeve joint, shaft body 2 other end is equipped with support assembly 3, one end of shaft body 2 away from belt pulley 102 is provided with notch, hydraulic support element 302 top end is installed in the bottom surface of notch, and necessary support and adjustment ability are provided for shaft body 2, support assembly 3 includes base 301, and base 301 top surface is equipped with hydraulic support element 302, one side of hydraulic support element 302 is provided with pressure sensor 303, and pressure sensor 303 can monitor the pressure condition of hydraulic support element 302 in real time, and then the stress state of shaft body 2 is reflected, and the pressure information of hydraulic support element 302 can be acquired in real time by pressure sensor 303, when gear stress changes, the reading of pressure sensor 303 will change accordingly, control system can adjust the pressure of hydraulic support element 302 according to the signal of preset algorithm and pressure sensor 303 feedback, to change support stiffness and position, so that gear is kept in optimal meshing position, the pressure change of hydraulic support element 302 can be perceived quickly and accurately by pressure sensor 303, to provide reliable data for control system, clearance fit is used between the plug rod of locating rod and locating cylinder, and clearance is controlled at 0.05-0.1mm, both to ensure the rod in the positioning cylinder free sliding, but also to play a good auxiliary positioning effect, enhance the stability of the entire support assembly 3, reduce the noise generated by the shaft 2 vibration, the base 301 is provided with four positioning rods, four positioning rods are surrounded by the setting in the hydraulic support element 302 periphery, the positioning rod is composed of the upper rod and the lower positioning cylinder, the rod bottom end plug-in setting in the positioning cylinder inside, play a supporting role and enhance the stability, the shaft 2 is provided with a first gear 4 in the middle, the first gear 4 is made of special treated alloy steel, has good strength and wear resistance, the other end of the drive shaft 101 is provided with a second gear 6, the upper part of the first gear 4 is provided with a transmission gear 5, the transmission gear 5 is used as an intermediate transmission element, can be power conversion between the first gear 4 and the second gear 6, the drive shaft 101 and the shaft 2 are arranged in parallel, the second gear 6 is located above the first gear 4, the first gear 4 and the second gear 6 are provided with a gap, the transmission gear 5 is located in the gap, realizes the indirect engagement between the first gear 4 and the second gear 6, and further completes the power transmission of the whole transmission system.

[0022] A low noise and low friction gear, comprising a mounting seat 7 connected to one end of the drive shaft 101, characterized in that: the mounting seat 7 is a "U" shaped plate, which can effectively disperse the force generated by each gear during operation, reduce vibration and deformation, further reduce noise and friction, the "U" shaped plate of the mounting seat 7 is provided with a driven gear 8 on each side wall, one end of the two opposite driven gears 8 is provided with a driving gear 9, the tooth profile of the driven gear 8 and the driving gear 9 adopts drum-shaped tooth modification, in the tooth width direction, the tooth shape is modified to a shape with slightly larger middle and slightly smaller ends, which ensures that the teeth can still realize uniform contact of full tooth width when the shaft has certain deformation or there is a small error in installation, avoids stress concentration and local wear caused by edge contact, thereby reducing noise and friction, the driving gear 9 plays a key role in power input and distribution, and transmits the received power to the driven gear 8 through the engagement relationship, the driving gear 9 is provided with a transmission shaft 10 at one end, the transmission shaft 10 is an important medium for transmitting power, and the transmission shaft 10 is connected with a driving source.

[0023] The upper belt pulley 102 is rotated by the driving shaft 101, and the lower belt pulley 102 is rotated by the belt 103, so as to transmit power to the first gear 4 arranged on the shaft body 2, the transmission gear 5 engaged with the first gear 4 is rotated, and then the second gear 6 at the other end of the driving shaft 101 is rotated to complete the power transmission of the transmission assembly 1.

[0024] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A transmission assembly comprising a transmission assembly (1) and a shaft body (2), characterized in that: The transmission assembly (1) includes a drive shaft (101) and a belt pulley (102), the number of the belt pulley (102) is two, the upper belt pulley (102) is rotatably connected to the drive shaft (101) at one end, the lower belt pulley (102) is rotatably connected to the shaft body (2) at one end, the belt (103) is sleeved between the two belt pulleys (102), the shaft body (2) is provided with a support assembly (3) at the other end, the support assembly (3) includes a base (301), the base (301) is provided with a hydraulic support element (302) on the top surface, the hydraulic support element (302) is provided with a pressure sensor (303) on one side, the shaft body (2) is provided with a first gear (4) in the middle, the drive shaft (101) is provided with a second gear (6) at the other end, and the first gear (4) is provided with a transmission gear (5) on the upper part.

2. A transmission assembly according to claim 1, wherein, The belt pulley (102) is provided with a mounting hole in the middle, and the shaft body (2) and the drive shaft (101) are respectively provided in the mounting hole.

3. A transmission assembly according to claim 1, wherein, The shaft body (2) is provided with a notch at the end away from the belt pulley (102), and the hydraulic support element (302) is abutted and mounted on the bottom surface of the notch.

4. A transmission assembly according to claim 3, wherein, The base (301) is provided with four positioning rods, which are arranged in a surrounding manner around the hydraulic support element (302), and the positioning rod is composed of an upper insertion rod and a lower positioning cylinder.

5. A transmission assembly according to claim 1, wherein, The drive shaft (101) and the shaft body (2) are arranged in parallel with each other, the second gear (6) is located above the first gear (4), the first gear (4) and the second gear (6) are provided with a gap, and the transmission gear (5) is located in the gap.

6. A low noise and low friction gear comprising a mounting base (7) connected to one end of a drive shaft (101) of a transmission assembly according to any one of claims 1-5, characterized in that: The mounting seat (7) is in the shape of a "U" plate, the three side walls of the "U" plate of the mounting seat (7) are provided with driven gears (8), the two opposite driven gears (8) are provided with a driving gear (9) at one end, and the driving gear (9) is provided with a transmission shaft (10) at one end.

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