CN213088105U

CN213088105U - Fan transmission device

Info

Publication number: CN213088105U
Application number: CN202022160074.5U
Authority: CN
Inventors: 姚荣
Original assignee: Beijing Beidong Dingsheng Technology Co ltd
Current assignee: Beijing Beidong Dingsheng Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-30
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to an air-cooled diesel engine technical field just discloses a fan transmission, and it includes that the top is equipped with the open-ended box, the inner wall bottom of box is rotated and is connected with the connecting axle that is vertical direction, the top fixedly connected with fan of connecting axle, box inner wall fixed mounting has the temperature sensor who is used for monitoring box interior air temperature, be provided with in the box and be used for driving the connecting axle and rotate and can be according to the corresponding actuating mechanism who adjusts the connecting axle rotational speed of temperature sensor monitoring temperature number of degrees. The utility model discloses a connecting axle and actuating mechanism that set up in the box, when the heat of the spare part of being heated can't effectively dispel the heat, in its heat that gives off can enter into the box, actuating mechanism can promote and promote the rotational speed of connecting axle according to the temperature in the box this moment, makes the rotational speed of fan faster in order to improve the amount of wind, ensures that the heat of the spare part of being heated can obtain normal volatilizing.

Description

Fan transmission device

Technical Field

The utility model belongs to the technical field of the air-cooled diesel engine, specifically be a fan transmission.

Background

A diesel engine is a device for converting thermal energy into mechanical energy, except that about 1/3 released by fuel combustion is used as useful work and 1/3 heat is discharged with tail gas, the residual about 1/3 heat is transferred to heated parts, and the part of heat must be conducted out by a cooling medium, otherwise the diesel engine can be damaged quickly due to heat accumulation.

The existing fan transmission device is composed of a group of gear transmission pairs, and is used for driving a cooling fan of an engine to form certain cooling air pressure in a wind pressure chamber so as to cool heated parts.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a fan transmission device, which can solve the problem that the pressure of cooling air formed by the cooling fan in the background art can not be led out the excessive heat transferred to the heated parts due to combustion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan transmission, includes that the top is equipped with the open-ended box, the inner wall bottom of box rotates and is connected with the connecting axle that is vertical direction, the top fixedly connected with fan of connecting axle, box inner wall fixed mounting has the temperature sensor who is used for monitoring the interior air temperature of box, be provided with in the box and be used for driving the connecting axle and rotate and can be according to the corresponding actuating mechanism who adjusts the connecting axle rotational speed of temperature sensor monitoring temperature number of degrees.

Furthermore, the driving mechanism comprises a speed regulating motor which is fixedly installed at the bottom of the inner wall of the box body, an output shaft of the speed regulating motor is parallel to the connecting shaft, a driving gear is fixedly sleeved on the output shaft of the speed regulating motor, and a driven gear meshed with the driving gear is fixedly sleeved on the connecting shaft.

Further, a controller is fixedly mounted in the box body, the output end of the temperature sensor is electrically connected with the controller and used for converting a temperature signal monitored by the temperature sensor into a temperature value, and the controller is electrically connected with the speed regulating motor and used for improving the power of the speed regulating motor under the high temperature value.

Furthermore, a bearing seat is fixedly installed at the bottom of the inner wall of the box body, and the bottom of the connecting shaft is fixedly inserted at the inner peripheral side of the bearing seat.

Furthermore, a threaded hole is formed in the top of the connecting shaft, and a fixing bolt which is connected with the threaded hole in a threaded mode and used for fixing the fan on the connecting shaft is inserted into the center of the bottom of the fan in a penetrating mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a connecting axle and actuating mechanism that set up in the box, when the heat of the spare part of being heated can't obtain effectively dispelling the heat, the heat that it gived off can enter into in the box to temperature sensor can monitor the improvement of air temperature in the box, actuating mechanism can promote and promote the rotational speed of connecting axle according to the temperature in the box this moment, the rotational speed that makes the fan is faster in order to improve the amount of wind, ensure that the heat of the spare part of being heated can obtain normal volatilizing, avoid the diesel engine high temperature and influence normal use and life reduction.

2. The utility model discloses a fixing bolt who sets up on the fan can make it break away from with the screw hole through rotating fixing bolt, can accomplish the dismantlement of fan fast, and the washing and the change of the fan of being convenient for have improved device's practicality.

Drawings

The accompanying drawings 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. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic structural view of the driving mechanism of the present invention;

fig. 5 is an exploded view of the driving mechanism of the present invention;

in the figure: 1. a box body; 2. a connecting shaft; 3. a fan; 4. a temperature sensor; 5. a drive mechanism; 51. a speed-regulating motor; 52. a driving gear; 53. a driven gear; 6. a bearing seat; 7. fixing the bolt; 8. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the fan transmission device provided by the present embodiment comprises a box body 1 having an opening at the top, a connecting shaft 2 in a vertical direction is rotatably connected to the bottom of the inner wall of the box body 1, a fan 3 is fixedly connected to the top of the connecting shaft 2, a temperature sensor 4 for monitoring the air temperature in the box body 1 is fixedly installed on the inner wall of the box body 1, a driving mechanism 5 for driving the connecting shaft 2 to rotate and correspondingly adjusting the rotation speed of the connecting shaft 2 according to the temperature degree monitored by the temperature sensor 4 is arranged in the box body 1, when the device is used, the opening of the box body 1 faces towards a diesel engine, the connecting shaft 2 rotates in the box body 1 under the action of the driving mechanism 5, and drives the fan 3 to rotate to cool and dissipate heat of heated components of the diesel engine, when the heat of the heated components cannot be effectively dissipated, the dissipated heat enters the box body 1, and temperature sensor 4 can monitor the improvement of the interior air temperature of box 1, and actuating mechanism 5 can promote the rotational speed of connecting axle 2 according to the temperature promotion in the box 1 this moment, makes the rotational speed of fan 3 faster in order to improve the amount of wind, ensures that the heat of the spare part that is heated can obtain normal the volatilizing, avoids the diesel engine high temperature and influences normal use and life reduction.

Specifically, in order to realize the rotation of the connecting shaft 2, please refer to fig. 2 and fig. 3, in some embodiments, it is proposed that the driving mechanism 5 includes an adjustable speed motor 51 which is fixedly installed at the bottom of the inner wall of the box 1 and has an output shaft parallel to the connecting shaft 2, a driving gear 52 is fixedly sleeved on the output shaft of the adjustable speed motor 51, a driven gear 53 engaged with the driving gear 52 is fixedly sleeved on the connecting shaft 2, through the rotation of the output shaft of the adjustable speed motor 51, the driving gear 52 can be driven to rotate synchronously, and the driving gear 52 can drive the driven gear 53 to rotate through the matching of teeth, thereby realizing the rotation of the connecting shaft 2, enabling the fan 3 to rotate along with the rotation of the connecting shaft 2, and achieving the effect of blowing air to.

Meanwhile, as shown in fig. 3, in order to adjust the rotation speed of the connecting shaft 2 according to the temperature in the box 1, in some embodiments, a controller is fixedly installed in the box 1, an output end of the temperature sensor 4 is electrically connected with the controller for converting a temperature signal monitored by the temperature sensor 4 into a temperature value, the controller is electrically connected with the speed regulating motor 51 for increasing the power of the speed regulating motor 51 at a high temperature value, when the temperature sensor 4 monitors that the temperature in the box 1 is higher, it is indicated that more heat is emitted by the component, the controller can increase the power of the speed regulating motor 51 during operation, so that the rotation speed of an output shaft of the speed regulating motor 51 is increased, the effect of increasing the rotation speed of the connecting shaft 2 is achieved, the fan 3 rotates faster, the air output is larger, and the heated component with higher temperature is effectively cooled.

In order to enable the connecting shaft 2 to only rotate and not move in the box body 1, please refer to fig. 4, a bearing seat 6 is fixedly installed at the bottom of the inner wall of the box body 1, and the bottom of the connecting shaft 2 is fixedly inserted at the inner peripheral side of the bearing seat 6, so that the design is more reasonable.

In addition, referring to fig. 5, in some embodiments, a threaded hole 8 is provided at the top of the connecting shaft 2, and a fixing bolt 7, which is threadedly connected in the threaded hole 8 and used for fixing the fan 3 on the connecting shaft 2, is inserted into the center of the bottom of the fan 3, so that the fixing bolt 7 can be rotated to be separated from the threaded hole 8, thereby rapidly completing the detachment of the fan 3, facilitating the cleaning and replacement of the fan 3, and improving the practicability of the device.

As an optional embodiment, in order to increase the rotation speed of the connecting shaft 2 to increase the air volume of the fan 3, the driving gear 52 may be replaced by a spur gear with more teeth, and after the fan 3 is disassembled, the driven gear 53 may be replaced by a spur gear which can be engaged with the driving gear and has less teeth, so that the output shaft of the speed regulating motor 51 can drive the connecting shaft 2 to rotate more turns when rotating, so as to increase the rotation speed of the fan 3 and enhance the heat dissipation effect on the heated components.

In the device, all electric devices and drivers matched with the electric devices are arranged at the idle position, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan transmission, is equipped with open-ended box (1) including the top, its characterized in that, the inner wall bottom of box (1) is rotated and is connected with connecting axle (2) that are vertical direction, the top fixedly connected with fan (3) of connecting axle (2), box (1) inner wall fixed mounting has temperature sensor (4) that are used for monitoring air temperature in box (1), be provided with in box (1) and be used for driving connecting axle (2) and rotate and can be according to corresponding actuating mechanism (5) of adjusting connecting axle (2) rotational speed of temperature sensor (4) monitoring temperature number of degrees.

2. The fan transmission device as claimed in claim 1, wherein the driving mechanism (5) comprises a speed-regulating motor (51) fixedly mounted at the bottom of the inner wall of the box (1) and having an output shaft parallel to the connecting shaft (2), a driving gear (52) is fixedly sleeved on the output shaft of the speed-regulating motor (51), and a driven gear (53) engaged with the driving gear (52) is fixedly sleeved on the connecting shaft (2).

3. The fan transmission device as claimed in claim 2, wherein a controller is fixedly installed in the box body (1), the output end of the temperature sensor (4) is electrically connected with the controller for converting a temperature signal monitored by the temperature sensor (4) into a temperature value, and the controller is electrically connected with the speed regulating motor (51) for increasing the power of the speed regulating motor (51) at a high temperature value.

4. The fan transmission device as claimed in claim 1, wherein a bearing seat (6) is fixedly installed at the bottom of the inner wall of the box body (1), and the bottom of the connecting shaft (2) is fixedly inserted into the inner peripheral side of the bearing seat (6).

5. The fan transmission device as claimed in claim 1, wherein a threaded hole (8) is formed in the top of the connecting shaft (2), and a fixing bolt (7) which is threaded in the threaded hole (8) and used for fixing the fan (3) on the connecting shaft (2) is inserted into the center of the bottom of the fan (3).