CN210898811U - Transmission machine and fan - Google Patents

Abstract

The utility model provides a transmission machine and a fan, wherein the transmission machine comprises a shell, and a driving device, a transmission system and a supporting system which are arranged on the shell, and the driving device is arranged in the shell and used for providing driving force; the transmission system and the driving device share a main shaft, and the transmission system is used for transmitting the torque of the main shaft to the external mechanism; the supporting systems are arranged at two ends of the main shaft and used for supporting the transmission machine. The utility model discloses a design the structure of transmission, make its transmission shaft that has enough length be the main shaft promptly and can realize stablizing the power that transmission drive arrangement produced, this transmission is through being connected the direct main shaft with drive arrangement of impeller, uses the link of coupling joint in the middle of reducing, has effectively avoided energy loss. Through setting up water circulating system, realize carrying out timely effectual heat dissipation to the transmission, further improved the life of transmission. The utility model provides a fan utilizes above-mentioned transmission machine, has the advantage of high and long service life of transmission efficiency.

Description

Transmission machine and fan

Technical Field

The utility model relates to a mechanical transmission technical field, in particular to transmission machine and fan.

Background

The working principle of the fan in the prior art is generally as follows: the motor generates mechanical kinetic energy after being electrified and transmits the mechanical kinetic energy to the main shaft of the transmission system through the coupling, and the main shaft is connected with the impeller, so that the main shaft rotates and drives the impeller to rotate at the same time, further the mechanical energy of the fan is generated, and the mechanical energy of the fan is converted into the kinetic energy of air by the impeller. Meanwhile, in the process, the bearing in the transmission system shares the radial force and the axial force of the impeller, but the motor is connected with the impeller through the transmission system, so that the efficiency of the fan system is lost, and the loss is at least 1%. Therefore, it is necessary to provide a transmission that reduces the number of intermediate links, directly connects the driving device to the impeller, and does not cause energy loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission machine designs through the structure to the transmission, makes its transmission shaft that has sufficient length and can realize stablizing the power that transmission drive arrangement produced, and this transmission machine is through being connected the direct main shaft with drive arrangement of impeller, uses the link of coupling joint in the middle of reducing, has effectively avoided energy loss. Meanwhile, the water circulation system is arranged in the supporting system of the transmission machine, so that the transmission machine can be effectively radiated in time, and the service life of the transmission machine is further prolonged.

The utility model discloses a realize through following technical scheme:

the transmission machine is characterized by comprising a shell, a driving device, a transmission system and a supporting system, wherein the driving device, the transmission system and the supporting system are mounted on the shell; the transmission system and the driving device share a main shaft, and the transmission system is used for transmitting the torque of the main shaft to an external mechanism; the supporting systems are arranged at two ends of the main shaft and used for supporting the transmission machine.

Further, in the above transmission machine, the driving device includes the main shaft, a stator, and a rotor, the main shaft passes through the housing, and both ends of the main shaft extend out of the housing, the stator is disposed on an inner wall of the housing, and the rotor is disposed on the main shaft inside the housing.

Further, in the above transmission machine, the transmission system includes the main shaft and the bearings, the bearings are respectively sleeved on the outer side surfaces of the two end portions of the main shaft, the main shaft is arranged on the support system through the bearings, and the main shaft transmits the axial and radial pressure generated by the external mechanism to the support system through the bearings.

Further, in the above-mentioned transmission machine, the support system includes a front support system and a rear support system, the front end of the main shaft is provided with the front support system, the rear end of the main shaft is provided with the rear support system, the front support system and the rear support system have the same structure, and the front end and the rear end of the main shaft are arranged in a mirror symmetry manner.

Further, in the above transmission machine, the front support system and the rear support system each include a bearing seat, an inner hole is formed in the bearing seat, and bearings at the front end and the rear end of the main shaft are all disposed in the inner hole; and a temperature detection device is arranged in the inner hole and used for detecting the temperature of the bearing.

Further, in the transmission machine, an oil seal is disposed on a side of the bearing away from the end surface of the main shaft, and a side cover is disposed on the bearing seat on a side of the bearing close to the end surface of the main shaft.

Further, in the above-mentioned transmission machine, an oil hole is provided along the side cover in a direction toward the bearing, and an elastic member is provided on the other side of the side cover; the elastic piece is a disc spring.

Further, in an above-mentioned transmission machine, the transmission machine further includes a water circulation system, the water circulation system is located in the inner hole, the water circulation system includes a circulation water jacket, the circulation water jacket is located the bearing outside, be equipped with circulating water pipe in the circulation water jacket, circulating water pipe follows circulation water jacket circumference sets up, just circulating water pipe's both ends outwards extend to the casing outside sets up.

Further, in the above transmission machine, an auxiliary heat dissipation device is disposed at the front end of the main shaft, a heat dissipation fan is disposed at the rear end of the main shaft, and a tail cover is disposed at the periphery of the heat dissipation fan.

The utility model also provides a fan, fan includes foretell driving machine, fan still include with the main shaft lug connection's of driving machine impeller, the main shaft rotates direct drive the impeller rotates.

An object of the utility model is to provide a transmission machine designs through the structure to the transmission, makes its transmission shaft that has sufficient length and can realize stablizing the power that transmission drive arrangement produced, and this transmission machine is through being connected the direct main shaft with drive arrangement of impeller, uses the link of coupling joint in the middle of reducing, has effectively avoided energy loss. Meanwhile, the water circulation system is arranged in the supporting system of the transmission machine, so that the transmission machine can be effectively radiated in time, and the service life of the transmission machine is further prolonged. The utility model also provides a fan of using above-mentioned transmission machine, this fan utilize above-mentioned transmission machine, have the advantage of the complete set cost of high and long service life of transmission efficiency and greatly reduced fan.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:

fig. 1 is a schematic structural view of a transmission machine provided by the present invention;

FIG. 2 is a schematic view of an assembly structure of the support system and the transmission system of the present invention;

fig. 3 is a schematic structural view of the assembly of the support system and the water circulation system provided by the present invention;

fig. 4 is a front view of a bearing seat (without a suspension ring) provided by the present invention;

fig. 5 is a rear view of the bearing seat provided by the present invention.

Description of reference numerals: 1. a housing; 2. a main shaft; 3. a bearing seat; 4. a bearing; 5. a side cover; 6. circulating a water jacket; 7. a circulating water pipe; 71. an upper water outlet hole; 72. a lower water inlet hole; 8. an oil hole; 9. a fan; 10. a tail cover; 11. a ground pin hole; 12. a hoisting ring; 13. a disc spring; 14. an upper mounting hole; 15-lower mounting holes; 16. a ring reinforcement layer; 17. a connecting portion; 18. a vent hole; 19. and (7) mounting a seat.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.

In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

As shown in figure 1, the utility model discloses a transmission machine, figure 1 is the utility model provides a structural schematic of transmission machine. The working principle of the fan in the application of the transmission machine and the fan in the prior art is different, and the working principle of the fan in the prior art is as follows: the motor is connected with a main shaft of the transmission system through the coupler, mechanical kinetic energy is generated after the motor is electrified, the mechanical kinetic energy is transmitted to the main shaft of the transmission system through the coupler, and the main shaft is connected with an impeller of the fan, so that the main shaft rotates and simultaneously drives the impeller to rotate to generate mechanical energy of the fan, and the impeller converts the mechanical energy of the fan into kinetic energy of air. Meanwhile, in the process, the bearing of the transmission system shares the radial force of the impeller, the driving device and the impeller are indirectly connected with the transmission system through the coupler, and the efficiency is lost in the process, and the loss is at least 1%.

The difference with the prior art lies in, the utility model provides a pair of theory of operation of fan does: the driving device plate in the middle of the transmission machine is directly connected with the impeller of the fan, the driving device generates kinetic energy after being connected with electricity, meanwhile, the impeller is driven to rotate, mechanical energy is generated, the mechanical energy is directly converted into air kinetic energy through the impeller, and in the process, bearings at two ends of the transmission machine share the radial force and the axial force of the impeller. I.e. the direct connection between the transmission system and the impeller without losses.

As shown in fig. 1 to 5, the present invention provides a transmission machine, wherein fig. 1 is a schematic structural diagram of the transmission machine provided by the present invention; FIG. 2 is a schematic view of an assembly structure of the support system and the transmission system of the present invention; fig. 3 is a schematic structural view of the assembly of the support system and the water circulation system provided by the present invention; fig. 4 is a front view of a bearing seat (without a suspension ring) provided by the present invention; fig. 5 is a rear view of the bearing seat provided by the present invention.

Specifically, as shown in fig. 1, the above-described transmission machine includes a housing 1, a driving device, a transmission system, and a support system. Wherein the housing 1 is provided at the outer side for providing a mounting position for the drive device. The driving device is arranged in the shell 1 and used for providing driving force for the transmission machine; the transmission system and the driving device share the main shaft 2, and the transmission system is used for transmitting the torque of the main shaft 2 to the external mechanism; the supporting systems are arranged at two ends of the main shaft 2 and used for providing support for the transmission machine.

The driving device comprises a main shaft 2, a stator and a rotor, wherein the main shaft 2 penetrates through the shell 1, two ends of the main shaft 2 extend out of two ends of the shell 1, and the stator is arranged on the main shaft 2, arranged in the shell, of the rotor and arranged in the shell 1.

As shown in fig. 2 and 3, the transmission system includes a main shaft 2 and bearings 4, the bearings 4 are respectively sleeved on the outer peripheral surfaces of the two end portions of the main shaft 2, the main shaft 2 is arranged on the support system through the bearings 4, and the main shaft 2 transmits the axial pressure and the radial pressure generated by the external mechanism to the support system through the bearings 4.

Further, the main shaft 2 is a stepped shaft, and the diameter of both ends facing the main shaft 2 is reduced, and the bearings 4 are fitted to both ends of the main shaft 2 having a smaller diameter.

Among the prior art, drive arrangement's braced system is fairly simple, can not realize the support function completely, and bearing heat dissipation function does not possess basically moreover, but the utility model discloses but can realize through following structure.

Further, the support system includes a front support system and a rear support system, the front support system is disposed at the front end of the main shaft 2, the rear support system is disposed at the rear end of the main shaft 2, the front support system and the rear support system have the same structure, and the front and rear ends of the main shaft 2 are arranged in a mirror symmetry manner.

Further, as shown in fig. 4 and 5, the front support system and the rear support system each include a bearing seat 3, an inner hole is formed in the bearing seat 3, and bearings 4 at the front end and the rear end of the main shaft 2 are all disposed in the inner hole.

Furthermore, a mounting base 19 is arranged at the bottom end of the bearing base 3, a plurality of foundation holes 11 are formed in the floor of the mounting base 19, foundation bolts are used for penetrating through the foundation holes 11, and the mounting base 19 is fixed on the ground through the foundation bolts. The upper end of the bearing seat 3 is provided with a connecting part 17 protruding outwards, the connecting part 17 is provided with an upper mounting hole 14, the mounting seat 19 is further provided with a lower mounting hole 15, and the upper mounting hole 14 and the lower mounting hole 15 are used for connecting the side wall of the bearing seat 3.

Further, a side cover 5 is provided on the bearing housing 3 on the side of the bearing 4 close to the end face of the main shaft 2. The side cover 5 is provided with a compression ring with the same diameter as the bearing 4 in an extending way along the direction of the bearing 4, and when the side cover 5 is installed, the compression ring on the side cover is propped against the side surface of the bearing 4 for compressing and limiting the bearing 4. A plurality of vent holes 18 are uniformly formed in the side wall of the bearing seat 3 for dissipating heat of the components inside the bearing seat 3.

Further, the top end of the bearing seat 3 is provided with a lifting ring 12, and the lifting ring 12 is used for lifting the bearing seat 3. And a lifting ring reinforcing layer 16 is arranged at the lower end of the lifting ring 12 and used for reinforcing the connection between the lifting ring 12 and the bearing seat 3.

Furthermore, in order to compensate the axial extension of the main shaft 2 caused by heat generated during use, the allowance of the extension is compensated by an elastic piece arranged between the compression ring of the side cover 5 and the bearing 4. The resilient member is a disc spring 13.

Further, an oil seal is provided between the bearing 4 and the side cover 5.

Further, an oil hole 8 extends from the outer side surface of the side cover 5 to the bearing 4, and the oil hole 8 is used for injecting lubricating oil into the bearing 4. Compare and generally adopt thin oil lubrication in traditional handicraft, the utility model discloses a be lubricating grease, and seal and the heat dissipation technical maturity, just once with changing half a year basically, have convenient to use's advantage.

Further, among the conventional art, drive arrangement's bearing 4 does not have the heat dissipation function, in order to dispel the heat to bearing 4, reduces main shaft 2 and produces the probability of axial extension because of the high temperature, the utility model provides a transmission still includes water circulating system, and water circulating system locates in the inner bore of bearing frame 3, and water circulating system includes circulation water jacket 6, and the outside of bearing 4 is located to 6 covers of circulation water jacket, is equipped with circulating water pipe 7 in the circulation water jacket 6, and circulating water pipe 7 sets up along 6 circumference of circulation water jacket, and the both ends of circulating water pipe 7 outwards extend to the outside setting of casing 1.

Preferably, the water circulation system is that the circulating water pipe 7 is arranged in the mould before casting, and after forming, whether the circulating water is connected or not can be properly selected according to working conditions.

Further, the above-mentioned circulating water pipe 7 includes a lower water inlet 72 located at the lower end and an upper water outlet 71 located at the upper end, and the ends of the upper water outlet 71 and the lower water inlet 72 are both connected with an external sleeve, and the external sleeve is used for connecting an external water pipe, so as to realize water inlet and water outlet circulation. The working principle of the water circulation system is as follows: the external circulating pump enters cold water through the lower water inlet hole 72 at the bottom, heat energy generated by the bearing 4 is transferred to the cold water in the circulating water pipe through the circulating water jacket contacted with the bearing 4, cold and heat exchange is realized, hot water with heat in the circulating water pipe is discharged through the upper water outlet hole 71 at the upper part after the heat of the bearing 4 is absorbed, and the hot water enters the circulating water tank, so that the cooling of the bearing 4 is completed.

Furthermore, the circulating water jacket 6 and the circulating water pipe 7 are not limited by materials, and common existing materials are selected, and normal tap water is adopted for water passing through the inside of the circulating water pipe 7, so that the corrosion degree of the tap water on the pipe wall of the circulating water pipe 7 is very small and can be ignored.

Further, a temperature detecting device is further provided in the inner hole of the bearing housing 3, the temperature detecting device is used for detecting the temperature of the bearing 4, when the temperature of the bearing 4 reaches a predetermined temperature, the water circulation system is started to start cooling the bearing 4.

Further, a heat dissipating fan 9 is further disposed at the rear end of the main shaft 2 (i.e., the right end as shown in fig. 1), a tail cover 10 is disposed at the periphery of the heat dissipating fan 9, the heat dissipating fan 9 is driven to rotate by the rotation of the main shaft 2, cool air is sucked in, and air flow is transmitted to the heat dissipating fins of the driving device through the heat dissipating fan 9, so as to dissipate heat generated by the coil acting.

Specifically, the working principle of the cooling fan 9 provided at the rear end of the main shaft 2 is as follows: after the heat dissipation fan 9 is operated, the heat dissipation fan 9 generates centrifugal force to axially suck air at the right side (right side in fig. 1) of the heat dissipation fan 9, and the exhaust position is a gap between the tail cover 10 and the heat dissipation fins on the surface of the motor in the housing 1, and the exhaust air has a certain wind speed, so that the heat dissipation fins on the surface of the motor can be dissipated, and the purpose of dissipating heat of the motor is achieved.

Further, in some other alternative embodiments of the present invention, the water circulation system is not added to the driving machine, and further, in some other alternative embodiments of the present invention, the design of the disc spring is reduced on the basis of the driving machine.

Further, in some other alternative embodiments of the present invention, the size of the bearing 4 or the design of the parameters of the main shaft 2 and the like are changed according to the actual application requirements, so that the transmission machine has universality and can meet the requirements of connecting other external mechanisms.

Further, the utility model provides a fan, this fan include foretell driving machine, and the fan still includes the impeller with 2 lug connection's of main shaft of driving machine, and 2 rotations of main shaft of driving machine directly drive the impeller rotation of fan.

Furthermore, an auxiliary heat dissipation device is further arranged at the position where the fan side plate is connected with the transmission machine, preferably, the auxiliary heat dissipation device is an auxiliary heat dissipation fan, the main shaft 2 rotates and simultaneously drives the fan to rotate, and air flows through the rotation of the fan, so that the heat dissipation of the front end of the transmission machine is realized. When the fan meets the working condition of high-temperature gas, the auxiliary cooling fan can ensure the normal operation of the fan.

The utility model provides an adopt fan of above-mentioned driving machine, 2 direct impeller connections with the fan of the drive arrangement main shaft of driving machine mid portion, drive arrangement connects the electricity back and produces kinetic energy, 2 impeller rotations that have driven the fan of main shaft simultaneously, produce mechanical energy, mechanical energy directly changes into aerodynamic energy through the impeller, at this in-process, driving machine both ends bearing 4 has shared the radial force and the axial force of impeller, be lug connection between driving machine and the impeller promptly, there is not energy loss, and has simple structure, convenient connection, the advantage that work efficiency is high.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Transmission machine, characterized in that it comprises a housing and mounted thereon a drive means, a transmission system and a support system, wherein,

the driving device is arranged in the shell and used for providing driving force for the transmission machine;

the transmission system and the driving device share a main shaft, and the transmission system is used for transmitting the torque of the main shaft to an external mechanism;

the supporting systems are arranged at two ends of the main shaft and used for supporting the transmission machine.

2. The transmission machine according to claim 1,

the driving device comprises a main shaft, a stator and a rotor, wherein the main shaft penetrates through the shell, two ends of the main shaft extend out of the shell, the stator is arranged on the inner wall of the shell, and the rotor is arranged on the main shaft inside the shell.

3. The transmission machine according to claim 1,

the transmission system comprises a main shaft and bearings, the bearings are sleeved on the outer side faces of two end portions of the main shaft, the main shaft is arranged on the supporting system through the bearings, and the main shaft transmits axial pressure and radial pressure generated by the external mechanism to the supporting system through the bearings.

4. The transmission machine according to claim 3,

the supporting system comprises a front supporting system and a rear supporting system, the front end of the main shaft is provided with the front supporting system, the rear end of the main shaft is provided with the rear supporting system, the front supporting system and the rear supporting system are identical in structure, and the front end and the rear end of the main shaft are arranged in a mirror symmetry mode.

5. The transmission machine according to claim 4,

the front support system and the rear support system respectively comprise a bearing seat, an inner hole is formed in each bearing seat, and bearings at the front end and the rear end of the main shaft are arranged in the inner holes;

and a temperature detection device is arranged in the inner hole and used for detecting the temperature of the bearing.

6. The transmission machine according to claim 5,

and an oil seal is arranged on one side of the bearing, which is far away from the end face of the main shaft, and a side cover is arranged on the bearing seat on one side of the bearing, which is close to the end face of the main shaft.

7. The transmission machine according to claim 6,

an oil hole is formed along the side cover towards the bearing direction, and an elastic piece is arranged on the other side of the side cover; the elastic piece is a disc spring.

8. The transmission machine according to claim 5,

the transmission machine further comprises a water circulation system, the water circulation system is arranged in the inner hole and comprises a circulation water jacket, the circulation water jacket is arranged on the outer side of the bearing, a circulation water pipe is arranged in the circulation water jacket and is arranged along the circumferential direction of the circulation water jacket, and the two ends of the circulation water pipe extend outwards to the outer portion of the shell.

9. The transmission machine according to claim 2,

the auxiliary heat dissipation device is arranged at the front end of the main shaft, the heat dissipation fan is arranged at the rear end of the main shaft, and the tail cover is arranged on the periphery of the heat dissipation fan.

10. A wind turbine comprising the drive of any one of claims 1 to 9, and further comprising an impeller directly connected to a main shaft of the drive, wherein rotation of the main shaft directly drives rotation of the impeller.

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