CN116498731A

CN116498731A - Reduction gearbox for fan

Info

Publication number: CN116498731A
Application number: CN202310297877.0A
Authority: CN
Inventors: 郭岳军; 陈庆舍; 叶芬芬; 张明军; 王仲华
Original assignee: ZHEJIANG JINGXING GEARED MOTOR CO Ltd
Current assignee: ZHEJIANG JINGXING GEARED MOTOR CO Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-28

Abstract

The invention discloses a reduction gearbox for a fan, which comprises the following components: a housing configured to have a cavity space; the first driving wheel is arranged in the shell; the second driving wheel is in driving fit with the first driving wheel; the third driving wheel is in driving fit with the second driving wheel; the mounting plate is arranged in the cavity; the cleaning block is movably connected to the mounting plate; the first driving wheel is in contact with the cleaning block when rotating, and the cleaning block moves up and down along with the rotation of the first driving wheel; the invention can conveniently clean impurities on the gear.

Description

Reduction gearbox for fan

Technical Field

The invention belongs to the technical field of reduction boxes, and particularly relates to a reduction box for a fan.

Background

The reduction gearbox is generally used for low-rotation-speed and high-torque transmission equipment, and a motor, an internal combustion engine or other power running at high speed is meshed with a large gear on an output shaft through a gear with small teeth on an input shaft of the reduction gearbox to achieve the purpose of reducing speed; the fan has different running effects on the structure of gears in the reduction gearbox due to different application scenes, and lubricating oil is poured into a lubrication box when the inside of the special reduction gearbox for the fan is lubricated, and all gears are lubricated by the driving of the gears; however, the mode reduces the use efficiency of the lubricating oil, and impurities are doped due to the special application environment; by means of the mode, the impurities washed by the lubricating oil can be driven onto the gears again by the rotation of the gears, and therefore abrasion of the gears can be improved.

Disclosure of Invention

The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

The invention provides a reduction gearbox for a fan, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a reduction gearbox for a fan, comprising: a housing configured to have a cavity space; the first driving wheel is arranged in the shell; the second driving wheel is in driving fit with the first driving wheel; the third driving wheel is in driving fit with the second driving wheel; the mounting plate is arranged in the cavity; the cleaning block is movably connected to the mounting plate; the first driving wheel is in contact with the cleaning block when rotating, and the cleaning block moves up and down along with the rotation of the first driving wheel.

Further, be equipped with first logical chamber on the clearance piece, clearance piece top surface slope sets up, is equipped with the chute on the first logical chamber lateral wall, is equipped with the first logical groove that supplies the clearance piece to remove on the mounting panel.

Further, the reduction gearbox for the fan further comprises: the first telescopic rod assembly is arranged on the cleaning block; the first scraping block is arranged on the first telescopic rod; the first through cavity side wall is provided with a first groove for accommodating the first telescopic rod component.

Further, the reduction gearbox for the fan further comprises: the end plate is arranged at one end of the first scraping block; the connecting block is used for connecting the end plate to the first scraping block; the connecting block is made of elastic materials.

Further, the reduction gearbox for the fan further comprises: the second telescopic rod assembly is arranged on the cleaning block; the moving plate is arranged on the second telescopic rod; the first pushing plates are arranged on the moving plate; the first scraping block is provided with a movable cavity for the movable plate to move, and the end plate is provided with a second through groove corresponding to the first push plate.

Further, the reduction gearbox for the fan further comprises: the second push plate is arranged in the movable cavity in a penetrating way; the inner lining plate is arranged on the second push plate; the second push plate is provided with a third through groove, the inner lining plate is rotationally connected in the third through groove, and when the first push plate penetrates out of the second through groove, the inner lining plate rotates in the third through groove.

Further, the reduction gearbox for the fan further comprises: the scraping plate is arranged on the mounting plate; the first transmission plate is arranged on the scraping plate; the fourth driving wheel is arranged on the mounting plate and is in driving fit with the first driving plate; the second transmission plate drives the fourth transmission wheel to rotate; the electromagnetic piece drives the second transmission plate to move; the mounting plate is provided with a first movable groove communicated with the first through groove, and the scraping plate is arranged in the first movable groove.

Further, the reduction gearbox for the fan further comprises: the first connecting rod is arranged on the end plate; the first lug is arranged on the first connecting rod; the second connecting rod is arranged on the scraping plate; the second convex blocks are arranged on the second connecting rod; the first connecting rod is arranged in the movable cavity, and the first scraping block is provided with a second through cavity corresponding to the second connecting rod.

Further, the reduction gearbox for the fan further comprises: the guide block is arranged on the mounting plate; the magnetic block is movably connected to the guide block; the third push plate pushes the magnetic block to move relative to the guide block; the cleaning block is provided with a connecting groove corresponding to the magnetic block, and the second transmission plate drives the third push plate to move when moving.

Further, the top of the cavity is provided with a separation cavity, the top of the separation cavity is provided with a liquid inlet, the bottom of the separation cavity is provided with a plurality of liquid outlets, the liquid outlet is closed when the liquid inlet is opened, and the liquid inlet is closed when the liquid outlet is opened.

The invention has the advantages that: the reduction gearbox for the fan is convenient to clear up gear impurities.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

fig. 1 is a schematic structural diagram of a reduction gearbox for a fan according to an embodiment of the present invention.

Fig. 2 is a sectional view of a housing of the reduction gearbox for a fan in the embodiment shown in fig. 1.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 3.

Fig. 5 is an enlarged view at C in fig. 3.

Fig. 6 is an enlarged view of D in fig. 3.

FIG. 7 is a cross-sectional view of a first telescoping rod assembly of the fan reduction gearbox of the embodiment shown in FIG. 1.

Fig. 8 is an enlarged view at E in fig. 7.

Fig. 9 is a cross-sectional view of a guide block of the reduction gearbox for a fan in the embodiment shown in fig. 1.

Fig. 10 is an enlarged view at F in fig. 9.

Fig. 11 is a cross-sectional view of a fourth lobe of the fan reduction gearbox of the embodiment shown in fig. 1.

Fig. 12 is an enlarged view at G in fig. 11.

The meaning of the reference numerals in the figures is as follows: 101. a housing; 101a, a compartment; 102. a first driving wheel; 103. a second driving wheel; 104. a third driving wheel; 1041. a second drive shaft; 105. a sealing plate; 1051. a seventh connecting rod; 106. a seal; 1061. a sixth connecting rod; 107. a receiving box; 1071. a sieve plate; 108. cleaning the block; 108a, a first through cavity; 108b, a connecting groove; 1081. a third bump; 1082. a first return spring; 109. a second telescopic rod assembly; 1091. a third sleeve; 1092. a fourth sleeve; 1093. a fourth connecting rod; 1094. a second return spring; 110. a mounting plate; 111. an electromagnetic member; 112. a scraper; 1121. a second scraper block; 1122. a first connecting spring; 1123. a first drive plate; 1123a, fifth through slot; 113. a first scraper block; 114. an end plate; 1141. a connecting block; 1142. a second slider; 1143. a third return spring; 1144. a first connecting rod; 1145. a first bump; 115. a moving plate; 1151. a first push plate; 116. a second push plate; 1161. an inner liner; 117. a fourth driving wheel; 118. a second drive plate; 1181. a pushing block; 119. a movable block; 120. a third push plate; 121. a guide block; 122. a magnetic block; 1221. a guide rod; 1222. a second connecting spring; 1223. a third slider; 123. a fourth bump; 123a, a third chute; 1241. a first sleeve; 1242. a second sleeve; 1243. and a third connecting rod.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-12, a reduction gearbox for a fan comprises a shell 101, a first driving wheel 102, a second driving wheel 103, a third driving wheel 104, a mounting plate 110 and a cleaning block 108.

The housing 101 is configured to have a cavity space; the first driving wheel 102 is arranged in the shell 101; the second driving wheel 103 is in driving fit with the first driving wheel 102; the third driving wheel 104 is in driving fit with the second driving wheel 103; the diameters of the first transmission wheel 102, the second transmission wheel 103 and the third transmission wheel 104 are sequentially reduced, so that a speed change effect is achieved, a first transmission shaft is arranged on the first transmission wheel 102, a second transmission shaft 1041 is arranged on the third transmission wheel 104, the first transmission shaft and the second transmission shaft 1041 penetrate out of two sides of the shell 101 respectively, a driving piece is connected with the second transmission shaft 1041, a fan rotating shaft is connected with the first transmission shaft, and the mounting plate 110 is arranged in the cavity; the cleaning block 108 is movably connected to the mounting plate 110; the cleaning block 108 is located below the first drive wheel 102, and when the first drive wheel 102 rotates, the cleaning block 108 contacts the cleaning block 108, and the cleaning block 108 moves up and down as the first drive wheel 102 rotates.

Specifically, a first through cavity 108a is formed on the cleaning block 108, the top surface of the cleaning block 108 is obliquely arranged, a chute is formed on the side wall of the first through cavity 108a, and a first through groove for the cleaning block 108 to move is formed on the mounting plate 110; a first sliding block is arranged on the inner wall of the first through groove, and a first sliding groove corresponding to the first sliding block is arranged on the side wall of the cleaning block 108; the cleaning block 108 has a third protrusion 1081 at the bottom, and a first return spring 1082 is disposed on the third protrusion 1081, where the top end of the first return spring 1082 abuts against the bottom surface of the mounting plate 110.

When the first driving wheel 102 rotates, the cleaning block 108 is embedded between teeth of the first driving wheel 102, the cleaning block 108 contacts with the side wall of the driving teeth of the first driving wheel 102, impurities on the side wall of the driving teeth are scraped off, the impurities scraped off by the cleaning block 108 fall from the first through cavity 108a, and the impurities are collected at the bottom of the cavity; when the first driving wheel 102 continues to rotate, the driving teeth push the cleaning block 108 to move against the top surface of the cleaning block 108, the cleaning block 108 is pushed out from the inter-teeth, so that the first driving wheel 102 rotates normally, when the next inter-tooth rotates to the position above the cleaning block 108, the cleaning block 108 is pulled by the first reset spring 1082 to move upwards, the cleaning block 108 impacts on the first driving wheel 102 to generate vibration on the cleaning block 108, so that impurities adhered on the cleaning block 108 are shaken off, cleaning is continuously performed on the next inter-tooth, and cleaning of the whole first driving wheel 102 is completed.

The cleaning block 108 is provided with a first telescopic rod assembly, specifically, the first telescopic rod assembly comprises a first sleeve 1241, a second sleeve 1242 and a third connecting rod 1243, a first groove is formed in the inner wall of the first through cavity 108a, the first sleeve 1241 is arranged in the first groove, the second sleeve 1242 is inserted into the first sleeve 1241, the third connecting rod 1243 is inserted into the second sleeve 1242, and one end of the third connecting rod 1243 is provided with the first scraping block 113.

When the side wall of the transmission tooth is propped against the cleaning block 108, the first scraping block 113 is propped against the side wall of the transmission tooth, the cleaning block 108 is pushed to move downwards when the transmission tooth rotates along with the first transmission wheel 102, and the first scraping block 113 moves into the first through cavity 108a, so that the first scraping block 113 always contacts with the side wall of the transmission tooth in the descending process along with the cleaning block 108, and impurities on the side wall of the transmission tooth are scraped; the cleaning block 108 directly cleans one side wall of the interdental space when being inserted into the interdental space, and the first scraping block 113 abuts against the other side wall of the interdental space to clean the whole interdental space, so that the abrasion between gears caused by the retention of impurities between the interdental space is avoided.

The first scraping block 113 is provided with a movable cavity, one end of the first scraping block 113 is provided with an end plate 114, the end plate 114 is connected to the first scraping block 113 through a connecting block 1141, the connecting block 1141 is made of elastic materials, and the connecting block 1141 can be used for connecting the end plate 114 and the first scraping block 113 in an adhesive mode through rubber materials; the cleaning block 108 is further provided with a second telescopic rod assembly 109, the second telescopic rod assembly 109 comprises a third sleeve 1091, a fourth sleeve 1092, a fourth connecting rod 1093 and a second reset spring 1094, a second groove is formed in the inner wall of the first through cavity 108a, the third sleeve 1091 is arranged in the second groove, the fourth sleeve 1092 is arranged in the third sleeve 1091 in a penetrating manner, the fourth connecting rod 1093 is arranged in the fourth sleeve 1092 in a penetrating manner, one end of the second reset spring 1094 is fixedly connected to the fourth connecting rod 1093, and the other end of the second reset spring 1094 is fixedly connected to the inner wall of the second groove; the fourth connecting rod 1093 is disposed in the movable cavity in a penetrating manner, the moving plate 115 is disposed on the fourth connecting rod 1093, a plurality of first push plates 1151 are disposed on the moving plate 115, and a plurality of second through grooves corresponding to the first push plates 1151 are disposed on the end plate 114.

When the first driving wheel 102 rotates, the cleaning block 108 and the first scraping block 113 are pushed to move, when the cleaning block 108 descends, the first scraping block 113 moves towards the inner wall direction of the first through cavity 108a, the moving plate 115 is positioned in the first scraping block 113 and moves along with the first scraping block 113, the first telescopic rod assembly enters the first groove, the second telescopic rod assembly 109 enters the second groove, and the influence of the first scraping block 113 on the rotation of the first driving wheel 102 is avoided; after the cleaning block 108 is moved out of the teeth, the second reset spring 1094 pushes the fourth connecting rod 1093 to move, the fourth connecting rod 1093 drives the moving plate 115 to move, the first push plate 1151 stretches out from the second through groove, the moving plate 115 impacts on the end plate 114 to vibrate the end plate 114, and meanwhile, the first push plate 1151 is matched to push impurities adhered to the end plate 114 down, so that the adhesion of the impurities on the end plate 114 is reduced, and secondary pollution of the impurities on the end plate 114 to the first driving wheel 102 is avoided; the moving plate 115 pushes the end plate 114 to move together after being abutted against the end plate 114, and the first scraping block 113 is reset along with the movement of the end plate 114 so as to clean the next tooth space.

The end plate 114 is provided with a fourth groove, a second push plate 116 is arranged in the fourth groove in a penetrating way, one end of the second push plate 116 is arranged in the movable cavity in a penetrating way, the inner wall of the fourth groove is provided with a second sliding block 1142, the second push plate 116 is provided with a second sliding groove matched with the second sliding block 1142, and the second sliding block 1142 is provided with a third reset spring 1143; the second push plate 116 is provided with a third through groove, the third through groove is positioned at one end of the second push plate 116 outside the movable cavity, the third through groove is internally provided with a lining plate 1161, the bottom end of the lining plate 1161 is rotationally connected in the third through groove, and a torsion spring is arranged at the joint of the lining plate 1161 and the third through groove; the top of the inner lining plate 1161 is provided with a connecting rope, and one end of the connecting rope is fixedly connected to the second slider 1142.

When the end plate 114 is propped against the transmission gear, one end of the second push plate 116 is propped against the side wall of the transmission gear, the other end is propped against the moving plate 115, when the transmission gear rotates along with the first transmission wheel 102, the transmission gear pushes the second push plate 116 to move, the second push plate 116 pushes the moving plate 115 to move, meanwhile, the cleaning block 108 moves to drive the second push plate 116 to move, the second push plate 116 scrapes off impurities on the side wall of the transmission gear, and part of the impurities are adhered to the inner lining plate 1161; when the cleaning block 108 moves out from the teeth, the second return spring 1094 pushes the fourth connecting rod 1093 to move, the moving plate 115 pushes the second push plate 116 to move, the second push plate 116 moves relative to the second slide block 1142, the distance between the second slide block 1142 and the lining plate 1161 increases, the connecting rope pulls the top end of the lining plate 1161 to move, the lining plate 1161 rotates to fall off the adhesion substances on part of the lining plate 1161, the moving plate 115 pushes the first scraping block 113 to move to the position where the first telescopic rod component cannot stretch, the moving plate 115 moves back by a small distance under the action of the second return spring 1094, the first push plate 1151 enters the movable cavity, the third return spring 1143 pushes the second push plate 116 to move towards the movable cavity, the lining plate 1161 rotates towards the inner wall of the third through groove under the action of the torsion spring, the lining plate 1161 impacts on the inner wall of the third through groove to generate vibration, the impurities on the lining plate 1161 are shaken off, the impurities on the lining plate 1161 are further reduced, the impurity residues on the lining plate 1161 are further reduced, and the cleaning effect of the cleaning block 108 on the first driving wheel 102 is improved.

The first movable groove is formed in the inner wall of the first through groove, the scraper 112 is arranged in the first movable groove, a second movable groove is formed in one end of the scraper 112, a second scraper block 1121 is arranged in the second movable groove, the second scraper block 1121 is connected in the second movable groove through a first connecting spring 1122, a first transmission plate 1123 is arranged on the scraper 112, a guide groove is formed in the side wall of the first movable groove, the first transmission plate 1123 penetrates through the guide groove, a transmission groove is formed in the top of the guide groove, a fourth transmission wheel 117 matched with the first transmission plate 1123 is arranged in the transmission groove, a third through cavity communicated with the transmission groove is formed in the mounting plate 110, a second transmission plate 118 matched with the fourth transmission wheel 117 is arranged in the third through cavity in a penetrating mode, a fifth through groove 1123a corresponding to the second transmission plate 118 is formed in the first transmission plate 1123, the second transmission plate 118 is made of ferromagnetic metal, an electromagnetic piece 111 is arranged at the bottom of the cavity, and the electromagnetic piece 111 is an electromagnet.

A first connecting rod 1144 is arranged on the end plate 114, a sixth through groove is arranged on the movable plate 115, the first connecting rod 1144 passes through the sixth through groove, a first bump 1145 is arranged at one end of the first connecting rod 1144, a second through cavity is arranged on the scraping block, the second through cavity penetrates through the movable cavity, a second connecting rod corresponding to the second through cavity is arranged on the scraping plate 112, and a plurality of second bumps are arranged on the second connecting rod; a fourth return spring is provided on the second drive plate 118; the side wall of the magnetic block 122 is provided with a third sliding block 1223, the inner wall of the third movable groove is provided with a third sliding groove 123a matched with the third sliding block 1223, and the third sliding groove 123a is of a 7-shaped structure.

The mounting plate 110 is provided with a fourth lug 123, the fourth lug 123 is provided with a third movable groove, a guide block 121 and a magnetic block 122 are arranged in the third movable groove, one end of the magnetic block 122 is provided with a guide rod 1221 and a second connecting spring 1222, one end of the second connecting spring 1222 is fixedly connected to the guide block 121, the guide block 121 is provided with a guide groove corresponding to the guide rod 1221, the guide rod 1221 is penetrated in the guide groove, and the guide block 121 can only move up and down in the third movable groove; a connecting groove 108b corresponding to the magnetic block 122 is formed in the side wall of the cleaning block 108, and a third push plate 120 is arranged in the third movable groove; the side wall of the third cavity is provided with a fourth movable groove, a movable block 119 is arranged in the fourth movable groove, the movable block 119 is connected with the third push plate 120 through a fifth connecting rod, a push block 1181 is arranged on the second transmission plate 118, and the bottom of the push block 1181 is obliquely arranged.

After the cleaning block 108 is used for a specified time period or more impurities are stained on the cleaning block 108, the cleaning block 108 needs to be cleaned, at the moment, the electromagnetic piece 111 is electrified to generate magnetic force, the third sliding block 1223 is positioned at the horizontal section at the top of the third sliding groove 123a, the electromagnetic piece 111 cannot attract the magnetic block 122 to move, the electromagnetic piece 111 attracts the second transmission plate 118 to move downwards, the second transmission plate 118 drives the fourth transmission wheel 117 to rotate, the fourth transmission wheel 117 drives the first transmission plate 1123 to move, the first transmission plate 1123 drives the scraper 112 to extend out of the first movable groove, the second scraper 1121 abuts against the inner wall of the first through cavity 108a, the scraper 112 moves relative to the second scraper 1121, the second scraper 1121 enters into the second movable groove, at the moment, the push block 1181 descends along with the second transmission plate 118 to abut against the movable block 119, the movable block 119 moves, the movable block 1181 drives the third push plate 120 to move, the third push plate 120 pushes the magnetic block 122 to move outwards of the third movable groove, the magnetic block 122 is inserted into the connecting groove 108b, the third sliding block 1123 moves to the inner wall of the first through cavity 108a, the scraper 112 moves relative to the second through cavity 114 a, the second sliding block 122 contacts the second through cavity 114 a, the second through hole 122 is contacted with the second through the second sliding block 108b, the second through hole 114 is contacted with the second through hole 114, the upper end plate 122 is contacted with the second through bump 108, and the second through bump 114 is contacted with the second through the second end plate 108, and the upper end plate 108 is contacted with the second through hole is contacted with the second connecting plate 108; after the top of the cleaning block 108 moves to one side of the scraping plate 112, the second scraping block 1121 extends out of the second movable groove and is propped against the inclined plane of the top of the first through cavity 108a, so as to clean the inclined plane of the top of the first through cavity 108 a; after the electromagnetic part 111 is powered off, the first reset spring 1082 pushes the cleaning block 108 to move upwards, the fourth reset spring pushes the second transmission plate 118 to move upwards, after the magnetic block 122 moves to the top of the third movable groove, the second connecting spring 1222 pulls the magnetic block 122 to move towards the direction of the guide block 121, the magnetic block 122 is separated from the connecting groove 108b, and the scraping plate 112 moves upwards along with the second transmission plate 118 to enter the first movable groove, so that the reset of the magnetic block 122 and the scraping block is completed.

The top of the cavity is provided with a separation cavity 101a, the top of the separation cavity 101a is provided with a liquid inlet, the bottom of the separation cavity 101a is provided with a plurality of liquid outlets, the middle part of the separation cavity 101a bulges upwards, and the liquid inlet is arranged above the bulge; the sealing plate 105 is arranged on the liquid inlet, the sealing member 106 is arranged in the liquid outlet, the sealing member 106 is formed by two inclined plate bodies, the sealing members 106 in all the liquid outlets are connected together through a sixth connecting rod 1061, and the sealing plate 105 is connected with the sixth connecting rod 1061 through a seventh connecting rod 1051.

When lubricating oil is added to the first driving wheel 102, the second driving wheel 103 and the third driving wheel 104, the sealing plate 105 is pulled upwards to open the liquid inlet, the seventh connecting rod 1051 drives the sealing piece 106 to move upwards together, the side wall of the sealing piece 106 is contacted with the inner wall of the liquid outlet, the sealing piece 106 seals the liquid outlet, the lubricating oil flows in the separation chamber 101a after being poured into the separation chamber 101a from the liquid inlet, so that the lubricating oil is uniformly distributed in the separation chamber 101a, after the lubricating oil is added, the sealing plate 105 is pushed downwards to close the liquid inlet, the seventh connecting rod 1051 drives the sealing piece 106 to move downwards together, the side wall of the sealing piece 106 is separated from the inner wall of the liquid outlet to contact the liquid outlet, the lubricating oil in the separation chamber 101a falls from the liquid outlet, and the lubricating oil falls on the first driving wheel 102, the second driving wheel 103 and the third driving wheel 104, and gear oiling operation is completed.

The bottom of the cavity is obliquely arranged, a third groove is formed in the bottom of the cavity, and the electromagnetic piece 111 is arranged in the third groove; the lowest end on cavity bottom inclined plane is equipped with the fluting, is equipped with in the fluting and connects magazine 107, is equipped with sieve 1071 in connecing the magazine 107, drops lubricating oil and impurity in the cavity bottom and flows along the inclined plane of cavity bottom, all collects lubricating oil and impurity in connecing the magazine 107, and impurity is separated on sieve 1071, and lubricating oil is in connecing the magazine 107 bottom, does recycle to lubricating oil, reduces the loss of lubricating oil.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A reduction gearbox for a fan, comprising:

a housing configured to have a cavity space;

the first driving wheel is arranged in the shell;

the second driving wheel is in driving fit with the first driving wheel;

the third driving wheel is in driving fit with the second driving wheel;

the method is characterized in that:

the reduction gearbox for the fan further comprises:

the mounting plate is arranged in the cavity;

the cleaning block is movably connected to the mounting plate;

the first driving wheel is contacted with the cleaning block when rotating, and the cleaning block moves up and down along with the rotation of the first driving wheel.

2. The reduction gearbox for a fan according to claim 1, wherein: the cleaning block is provided with a first through cavity, the top surface of the cleaning block is obliquely arranged, the side wall of the first through cavity is provided with a chute, and the mounting plate is provided with a first through groove for the cleaning block to move.

3. The reduction gearbox for a fan according to claim 2, wherein: further comprises: the first telescopic rod assembly is arranged on the cleaning block;

the first scraping block is arranged on the first telescopic rod;

the first through cavity side wall is provided with a first groove for accommodating the first telescopic rod assembly.

4. The reduction gearbox for a fan according to claim 1, wherein: further comprises: the end plate is arranged at one end of the first scraping block;

the connecting block is used for connecting the end plate to the first scraping block;

the connecting block is made of elastic materials.

5. The reduction gearbox for a fan according to claim 1, wherein: further comprises: the second telescopic rod assembly is arranged on the cleaning block;

the moving plate is arranged on the second telescopic rod;

the first pushing plates are arranged on the moving plate;

the first scraping block is provided with a movable cavity for the movable plate to move, and the end plate is provided with a second through groove corresponding to the first pushing plate.

6. The reduction gearbox for a fan according to claim 5, wherein: further comprises: the second push plate is arranged in the movable cavity in a penetrating way;

the inner lining plate is arranged on the second push plate;

the second push plate is provided with a third through groove, the inner lining plate is rotationally connected in the third through groove, and when the first push plate penetrates out of the second through groove, the inner lining plate rotates in the third through groove.

7. The reduction gearbox for a fan according to claim 1, wherein: further comprises: the scraping plate is arranged on the mounting plate;

the first transmission plate is arranged on the scraping plate;

the fourth driving wheel is arranged on the mounting plate and is in driving fit with the first driving plate;

the second transmission plate drives the fourth transmission wheel to rotate;

the electromagnetic piece drives the second transmission plate to move;

the mounting plate is provided with a first movable groove communicated with the first through groove, and the scraping plate is arranged in the first movable groove.

8. The reduction gearbox for a fan according to claim 7, wherein: further comprises:

the first connecting rod is arranged on the end plate;

the first lug is arranged on the first connecting rod;

the second connecting rod is arranged on the scraping plate;

the second convex blocks are arranged on the second connecting rod;

the first connecting rod is arranged in the movable cavity, and the first scraping block is provided with a second through cavity corresponding to the second connecting rod.

9. The reduction gearbox for a fan according to claim 7, wherein: further comprises: the guide block is arranged on the mounting plate;

the magnetic block is movably connected to the guide block;

the third push plate pushes the magnetic block to move relative to the guide block;

the cleaning block is provided with a connecting groove corresponding to the magnetic block, and the second transmission plate drives the third push plate to move when moving.

10. The reduction gearbox for a fan according to claim 1, wherein: the top of the cavity is provided with a separation cavity, the top of the separation cavity is provided with a liquid inlet, the bottom of the separation cavity is provided with a plurality of liquid outlets, the liquid outlets are closed when the liquid inlets are opened, and the liquid inlets are closed when the liquid outlets are opened.