CN217328402U

CN217328402U - High heat dissipation speed reducer

Info

Publication number: CN217328402U
Application number: CN202220343289.7U
Authority: CN
Inventors: 王昭君; 吴敏康; 莫林云
Original assignee: Zhejiang Weili Transmission Co ltd
Current assignee: Zhejiang Weili Transmission Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-30
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to a high heat dissipation speed reducer relates to the field of speed reducer, and it includes the speed reducer body, and this internal chamber that holds that is equipped with of speed reducer is equipped with out tuber pipe, air-supply line, the fan and the cooling tube of breathing in on the speed reducer body, goes out the tuber pipe and sets up towards the fan of breathing in, and the tip that the speed reducer body was kept away from to the air-supply line staggers with the fan of breathing in, is equipped with water inlet and delivery port on the cooling tube, air-supply line butt in the cooling tube. Through setting up out the tuber pipe, the air-supply line, suction fan and cooling tube, suction fan operates the inside steam discharge of induced speed reducer body, air around the air-supply line gets into inside the speed reducer body along with it after the cooling of cooling tube simultaneously, through the steam with the inside of low temperature air current replacement speed reducer body, and utilize the low temperature air current to cool down to the inside part of speed reducer body, restrain the rising of part heat degree when accelerating the heat and scattering and disappearing, the radiating effect of speed reducer has been improved, and then the overall stability of speed reducer operation has been improved.

Description

High heat dissipation speed reducer

Technical Field

The application relates to the field of speed reducers, in particular to a high-heat-dissipation speed reducer.

Background

The planetary gear reducer is also called as a planetary reducer and a servo reducer, has the advantages of small volume, high transmission efficiency, wide reduction range, high precision and the like, is widely applied to various transmission systems, and is mainly used for reducing the rotating speed, increasing the torque and reducing the rotational inertia ratio of a load/a motor.

For example, chinese patent publication No. CN102865336B discloses a planetary gear reducer, which includes an output planet carrier, an inner gear ring, a sun gear a, a sun gear B, and a plurality of sets of planetary gear structures, each set of planetary gear structure includes a planetary gear shaft, a planetary gear a, and a planetary gear B, the sun gear a and the sun gear B are respectively provided with a spline a and a spline B, the spline a and the spline B are respectively provided with a plurality of adjacent connection ends spaced apart, the connection ends are provided with helical surfaces with helical angles a, the spline B is located in an inner cavity of the output planet carrier, and a sliding sleeve compression spring device is arranged between the spline B and the inner cavity wall of the output planet carrier.

However, after the planetary gear reducer works for a long time, the internal temperature of the planetary gear reducer is easy to rise, so that the internal temperature of the planetary gear reducer is influenced, the service life of the planetary gear reducer is even prolonged, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the not good problem of speed reducer radiating effect, this application provides a high heat dissipation speed reducer.

The application provides a high heat dissipation speed reducer adopts following technical scheme:

the utility model provides a high heat dissipation speed reducer, includes the speed reducer body, this internal chamber that holds that is equipped with of speed reducer, be equipped with on the speed reducer body with hold the play tuber pipe and the air-supply line of chamber intercommunication, still be equipped with suction fan and cooling tube on the speed reducer, it moves towards to go out the tuber pipe the suction fan sets up, the air-supply line is kept away from the tip of speed reducer body with the suction fan staggers, be equipped with water inlet and delivery port on the cooling tube, the air-supply line butt in the cooling tube.

By adopting the technical scheme, the air outlet pipe, the air inlet pipe, the air suction fan and the cooling pipe are arranged, the air suction fan generates suction force when operating to induce hot air in the speed reducer body to be discharged through the air outlet pipe, meanwhile, air around the air inlet pipe enters the speed reducer body along with the air inlet pipe to balance air pressure in the speed reducer body, the cooling pipe is used for absorbing heat of air flow in the air inlet pipe to cool the air flow in the air inlet pipe, the temperature of the air flow entering the air inlet pipe is ensured to be lower, the hot air in the speed reducer body is replaced by low-temperature air flow to timely discharge the hot air in the speed reducer, and parts in the speed reducer body are cooled by the low-temperature air flow, heat dissipation is accelerated, the rise of the heat of the parts is inhibited, the accumulation of the hot air in the speed reducer is reduced, the heat dissipation effect of the speed reducer is improved, and the condition that the running of the parts in the speed reducer is influenced by overhigh internal temperature is reduced, the integral stability of the running of the speed reducer is improved.

Preferably, the speed reducer body comprises a machine body and a heat-conducting sleeve arranged on the machine body, and the cooling pipe is wound on the inner ring wall of the heat-conducting sleeve.

Through adopting above-mentioned technical scheme, set up the heat conduction sleeve, increased the heat radiating area of speed reducer, be favorable to accelerating the heat on the speed reducer body and scatter and disappear to increased the area of contact between cooling tube and the heat conduction sleeve, thereby can promote the heat on the heat conduction sleeve to the transmission of cooling tube, make the cooling tube produce better cooling effect to the heat conduction sleeve, further improved the heat dispersion of speed reducer.

Preferably, the cooling pipe is wound to form a cooling channel, and the air inlet pipe is wound in the cooling channel.

Through adopting above-mentioned technical scheme, increased the area of contact between air-supply line and the cooling pipe to the cooling route of air current has been prolonged in the air-supply line, makes the cooling effect of cooling pipe to air current in the air-supply line better.

Preferably, the air inlet pipe extends into the end part, close to the water inlet, of the cooling channel and extends out of the end part, close to the water outlet, of the cooling channel.

Through adopting above-mentioned technical scheme, the tip that the air current stretches out the delivery port from the air-supply line gets into, water gets into then flows from the delivery port from the water inlet, because heat conduction sleeve's heat can transmit to the cooling tube, therefore, the temperature of delivery port can be higher than the temperature of water inlet, flow opposite direction through the flow direction who sets up the air current and the intraductal water of cooling, can make the air current in the air-supply line be close to more and hold the cooling effect that the chamber received better, the cooling effect of cooling tube to the air current in the air-supply line has been improved, make the air current temperature that gets into and hold the intracavity lower, thereby be favorable to improving the cooling effect to speed reducer body internals.

Preferably, the size of the cross section of the inner ring of the heat-conducting sleeve is gradually reduced along the direction from the water inlet to the water outlet.

Through adopting above-mentioned technical scheme, reduce the air current in the air intake pipe and the contact time that the cooling tube is located the part of water outlet department, the air current in the extension air intake pipe is located the contact time of the part of water inlet department with the cooling tube for the cooling effect of cooling tube to the air current in the air intake pipe is better.

Preferably, the heat-conducting sleeve is provided with a through hole, and one end of the through hole faces the air suction fan.

Through adopting above-mentioned technical scheme, set up the perforation, the suction that the air suction fan produced guides its nearby air current and takes place to flow for the air that is located the perforation and keeps away from the one side of air suction fan forms the air current and constantly passes the perforation, has increased the area of contact of heat conduction sleeve and air, and has promoted the air flow near the heat conduction sleeve, has improved the radiating effect of heat conduction sleeve.

Preferably, the intersection of the air inlet pipe and the accommodating cavity is located at one end of the accommodating cavity far away from the intersection of the air outlet pipe and the accommodating cavity.

Through adopting above-mentioned technical scheme, hold the intracavity and be close to the steam that goes out the tuber pipe and discharge from going out the tuber pipe, the low temperature air current flows in from holding one side that the chamber is close to the air-supply line, and the low temperature air current can promote the steam that holds the intracavity and flow and then discharge the tuber pipe toward air outlet department simultaneously, and reducible steam is holding the remaining of intracavity, helps improving the radiating effect of speed reducer.

Preferably, the air outlet pipe comprises an air supply section arranged on the speed reducer and a connecting section arranged on the air supply section, the connecting section is located at the position, away from one end of the speed reducer body, of the air supply section, and the size of the cross section of the connecting section gradually decreases towards the direction close to the air supply section.

Through adopting above-mentioned technical scheme, set up air supply section and linkage segment, can make the steam in the speed reducer more discharge air-out pipes faster under the effect of the fan of breathing in, promote the steam flow in the speed reducer.

Preferably, a filter screen is arranged on the air inlet pipe, and the filter screen is located at one end, far away from the speed reducer body, of the air inlet pipe.

Through adopting above-mentioned technical scheme, set up the filter screen, dust and other impurity that carry in the reducible air current that gets into the air-supply line have further reduced the influence of dust and other impurity to speed reducer internals, are favorable to improving speed reducer moving stability and precision.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air suction fan is operated to induce hot air in the speed reducer body to be discharged by arranging the air outlet pipe, the air inlet pipe, the air suction fan and the cooling pipe, meanwhile, air around the air inlet pipe enters the speed reducer body after the cooling pipe is cooled, the hot air in the speed reducer body is replaced by low-temperature air flow, and parts in the speed reducer body are cooled by the low-temperature air flow, so that heat dissipation is accelerated while rise of the heat of the parts is inhibited, the heat dissipation effect of the speed reducer is improved, and further the overall stability of the speed reducer in operation is improved;

2. the cooling pipe is wound in the heat-conducting sleeve, so that the contact area between the cooling pipe and the heat-conducting sleeve is increased, the cooling pipe can generate a good cooling effect on the heat-conducting sleeve, and the heat dissipation performance of the speed reducer is further improved;

3. the flow direction of the air flow is opposite to the flow direction of the water in the cooling pipe, so that the cooling effect of the cooling pipe on the air flow in the air inlet pipe is improved, the temperature of the air flow entering the accommodating cavity is lower, and the cooling effect on internal parts of the speed reducer body is improved.

Drawings

FIG. 1 is an overall schematic view of an embodiment of the present application;

fig. 2 is a structural diagram of the reducer body and the air outlet pipe in the embodiment of the present application, which mainly shows the structure of the connecting section;

fig. 3 is a structural diagram of the reducer body and the air inlet pipe in a cut-away manner according to the embodiment of the present application, which mainly shows the structure of the air inlet pipe;

fig. 4 is an enlarged view of a portion a of fig. 3, mainly showing the structure of the filter screen.

Description of reference numerals: 1. a speed reducer body; 11. a body; 111. an accommodating chamber; 12. a thermally conductive sleeve; 121. perforating; 2. an air suction fan; 3. an air outlet pipe; 31. an air supply section; 32. a connecting section; 4. an air inlet pipe; 5. a cooling pipe; 51. a water inlet; 52. a water outlet; 6. a cooling channel; 7. and (5) filtering by using a filter screen.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high heat dissipation speed reducer. Referring to fig. 1 and 2, the high heat dissipation speed reducer includes a speed reducer body 1, the speed reducer body 1 includes a machine body 11 and a heat conduction sleeve 12, a containing cavity 111 is provided in the machine body 11, and the heat conduction sleeve 12 is fixed on an outer side wall of the machine body 11.

Referring to fig. 2 and 3, an air suction fan 2 is mounted and fixed on an outer sidewall of the machine body 11, the air suction fan 2 is located on one side of the heat-conducting sleeve 12, an air outlet pipe 3 and an air inlet pipe 4 are further fixed on the outer sidewall of the machine body 11, the air outlet pipe 3 is located between the heat-conducting sleeve 12 and the air suction fan 2, the air inlet pipe 4 is located on one side of the heat-conducting sleeve 12 far away from the air suction fan 2, and the air outlet pipe 3 and the air inlet pipe 4 are both communicated with the accommodating cavity 111. The intersection of the air inlet pipe 4 and the accommodating cavity 111 is located at one end of the accommodating cavity 111 far away from the intersection of the air outlet pipe 3 and the accommodating cavity 111.

Referring to fig. 2, the air outlet pipe 3 includes an air supply section 31 and a connection section 32, the air supply section 31 is fixed on the machine body 11, the connection section 32 is located at one end of the air supply section 31 far away from the machine body 11 and is fixedly connected with the air supply section 31, the cross section of the connection section 32 gradually decreases toward the direction close to the air supply section 31, and the connection section 32 is disposed toward the air suction fan 2. In actual use, when the suction fan 2 is operated, the airflow near the suction fan 2 flows from the side of the suction fan 2 close to the connecting section 32 toward the side of the suction fan 2 away from the connecting section 32.

Referring to fig. 1, a plurality of perforations 121 are provided on the outer side wall of the heat conducting sleeve 12 far from the air suction fan 2, the plurality of perforations 121 are circumferentially distributed at equal intervals along the periphery of the inner ring of the heat conducting sleeve 12, and one end of each perforation 121 close to the air suction fan 2 is arranged toward the air suction fan 2.

Referring to fig. 2, a cooling pipe 5 is fixed on the heat conducting sleeve 12, the cooling pipe 5 is wound on the inner ring wall of the heat conducting sleeve 12 and is fixedly connected with the inner ring wall of the heat conducting sleeve 12, a water inlet 51 and a water outlet 52 are arranged on the cooling pipe 5, the water inlet 51 is located on one side of the heat conducting sleeve far away from the air suction fan 2, the water outlet 52 is located on one side of the heat conducting sleeve 12 close to the air suction fan 2, and cooling water is injected into the cooling pipe 5. The cross-sectional size of the inner ring of the heat conducting sleeve 12 gradually decreases along the direction from the water inlet 51 to the water outlet 52.

Referring to fig. 2 and 4, the cooling duct 5 is wound to form a cooling channel 6, the air inlet duct 4 extends into and is wound in the cooling channel 6 from the end portion of the cooling channel 6 close to the water inlet 51, the outer side wall of the air inlet duct 4 abuts against the cooling duct 5, one end of the air inlet duct 4, far away from the machine body 11, extends from the end portion of the cooling channel 6 close to the water outlet 52 and extends towards the direction staggered with the air suction fan 2, and one end of the air inlet duct 4, far away from the machine body 11, is staggered with the air suction fan 2. A filter screen 7 is fixed on the inner pipe wall of the air inlet pipe 4, and the filter screen 7 is positioned at one end of the air inlet pipe 4 far away from the machine body 11.

In this embodiment, the winding direction and the number of windings of the cooling pipe 5 are the same as the winding direction and the number of windings of the air inlet pipe 4, and the cooling pipe 5 and the portion of the air inlet pipe 4 located in the heat conducting channel are overlapped together.

The implementation principle of the high heat dissipation speed reducer of the embodiment of the application is as follows:

when the speed reducer operates, cooling water is injected into the water inlet 51, the cooling water flows out from the water outlet 52, the air suction fan 2 is started, the air suction fan 2 operates to generate suction force, hot air in the accommodating cavity 111 is induced to be discharged through the air outlet pipe, meanwhile, air around the air inlet pipe 4 enters the accommodating cavity 111 along with the hot air, so that air pressure in the accommodating cavity 111 is balanced, and at the moment, the filter screen 7 filters the air entering the air inlet pipe 4, so that introduction of dust or other impurities is reduced.

Utilize the cooling water in the cooling pipe 5 to cool down the air current in the air-supply line 4, the air current entering after the cooling holds chamber 111, and promote the steam that holds in chamber 111 and flow toward outlet duct department, so that the steam that holds in the chamber 111 in time discharges, and utilize low temperature air current to cool down the part that holds in chamber 111, restrain the rising of part heat degree when accelerating the heat and scatter and disappear, the gathering of steam in holding chamber 111 has been reduced, thereby the radiating effect of speed reducer has been improved, it is too high and then influence the inside part moving condition of speed reducer to have reduced the inside high temperature of chamber 111, the overall stability and the precision of speed reducer operation have been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high heat dissipation speed reducer, includes speed reducer body (1), be equipped with in speed reducer body (1) and hold chamber (111), its characterized in that: be equipped with on speed reducer body (1) with hold air-out pipe (3) and air-supply line (4) of chamber (111) intercommunication, still be equipped with on the speed reducer and inhale fan (2) and cooling tube (5), air-out pipe (3) orientation inhale fan (2) and set up, air-supply line (4) are kept away from the tip of speed reducer body (1) with inhale fan (2) and stagger, be equipped with water inlet (51) and delivery port (52) on cooling tube (5), air-supply line (4) butt in cooling tube (5).

2. The high heat dissipation speed reducer according to claim 1, wherein: the speed reducer body (1) comprises a body (11) and a heat-conducting sleeve (12) arranged on the body (11), and the cooling pipe (5) is wound on the inner ring wall of the heat-conducting sleeve (12).

3. The high heat dissipation speed reducer according to claim 2, wherein: the cooling pipe (5) is wound to form a cooling channel (6), and the air inlet pipe (4) is wound in the cooling channel (6).

4. The high heat dissipation speed reducer of claim 3, wherein: the air inlet pipe (4) extends into the end part, close to the water inlet (51), of the cooling channel (6), and extends out of the end part, close to the water outlet (52), of the cooling channel (6).

5. The high heat dissipation speed reducer according to claim 2, wherein: the size of the cross section of the inner ring of the heat-conducting sleeve (12) is gradually reduced along the direction from the water inlet (51) to the water outlet (52).

6. The high heat dissipation speed reducer according to claim 2, wherein: the heat conducting sleeve (12) is provided with a through hole (121), and one end of the through hole (121) faces the air suction fan (2).

7. The high heat dissipation speed reducer according to claim 1, wherein: the air inlet pipe (4) and the intersection of the containing cavity (111) are located at one end, far away from the air outlet pipe (3) and the intersection of the containing cavity (111), of the containing cavity (111).

8. The high heat dissipation speed reducer according to claim 1, wherein: go out tuber pipe (3) including locating air supply section (31) on the speed reducer with locate linkage segment (32) on air supply section (31), linkage segment (32) are located air supply section (31) are kept away from the one end of speed reducer body (1), the cross section size of linkage segment (32) is towards being close to the direction of air supply section (31) diminishes gradually.

9. The high heat dissipation speed reducer according to claim 1, wherein: be equipped with filter screen (7) on air-supply line (4), filter screen (7) are located air-supply line (4) are kept away from the one end of speed reducer body (1).