CN114754129A

CN114754129A - Gear box with automatic fluid infusion and lubrication functions

Info

Publication number: CN114754129A
Application number: CN202210576545.1A
Authority: CN
Inventors: 苏援农
Original assignee: Xuzhou Longfeng Intelligent Technology Co ltd
Current assignee: Xuzhou Longfeng Intelligent Technology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-07-15

Abstract

The invention relates to the technical field of gear boxes, in particular to a gear box with an automatic fluid infusion and lubrication function, which comprises shells, wherein a speed change mechanism is arranged in each of the two shells, a fluid infusion mechanism is arranged in each shell, a filtering mechanism is arranged in each shell, a sealing mechanism is arranged on each shell, the shells are connected with a control mechanism, and a protection mechanism is arranged on each fluid infusion mechanism; through the cooperation installation of speed change mechanism and shell, be favorable to carrying powerful torsion to the car through the motor to make the vehicle travel, and make things convenient for follow-up dismantlement to maintain, make the leakproofness of two shells better through sealing mechanism and control mechanism, through fluid infusion mechanism and protection machanism, make the lubricated real-time fluid infusion of speed change mechanism, fully target in place, filter the fluid infusion mechanism during operation through filter mechanism, effectually carry out recirculation filtration debris to lubricating oil, and make things convenient for follow-up clearance.

Description

Gear box with automatic fluid infusion and lubrication functions

Technical Field

The invention relates to the technical field of gear boxes, in particular to a gear box with an automatic fluid infusion and lubrication function.

Background

The gear box is a box body internally provided with a plurality of gear sets, the rotating speed is increased or reduced according to needs through the installation of the gear box and equipment, the rotating direction can be changed, the torque force of power can be increased or reduced, lubricating oil is filled into the gear box, the lubricating oil can supplement lubricating liquid for the gear in the gear box under the rotation of the gear, the lubricating oil effect is better, and the gear box is widely applied to automobiles, ships and wind-water power generation equipment.

However, traditional gear box gear all uses the pin block to rotate in inside, inconvenient follow-up fine dismantlement, complex operation during the maintenance, and when inside lubricating oil was whipped by the gear, the lubricating oil degree of consistency on the gear is poor, cause some gear lubricating oil effect not good, the gear can produce wearing and tearing after working certain time simultaneously, the inside debris of lubricating oil can cause secondary wear to the gear, the life of gear has been reduced, and the gear box closes the sealing washer elasticity poor, there is deformation wearing and tearing after extruding for a long time, influence subsequent sealed effect.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a gear box with an automatic fluid infusion and lubrication function.

The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a gear box with automatic fluid infusion lubricating function, includes the shell, two shell internally mounted has speed change mechanism, shell internally mounted has fluid infusion mechanism, shell internally mounted has filtering mechanism, install sealing mechanism on the shell, be connected with control mechanism on the shell, install protection machanism in the fluid infusion mechanism.

Specifically, speed change mechanism includes the movable slot, two the shell inboard is equipped with the movable slot respectively, two the block is connected with a plurality of bearings respectively on the shell, and is a plurality of rotate on the bearing and be connected with a plurality of oblique fluted discs, one of them it is connected with differential gear, a plurality of to rotate on the bearing oblique fluted disc and differential gear intermeshing, two the connection can be dismantled through a plurality of fixed orificess and bolt to the shell, be equipped with a plurality of through-holes on the shell, the sealing washer is installed to the through-hole inboard.

The utility model discloses a liquid feeding mechanism, including casing, shell, oil feeding mechanism, oil pump, connecting axle, drive gear, oil pump side, oil storage tank one end is passed through the guide slot and is connected with the oil pump lateral wall, the oil storage tank other end passes through intercommunication groove and activity groove intercommunication.

Specific, protection machanism is including fixed cover, the inside center department of notes oil pipe is equipped with fixed cover, fixed cover lateral wall is connected with notes oil pipe through a plurality of connecting plates, install the movable rod on the fixed cover, the movable rod passes through expanding spring and the inside sliding connection of fixed cover, movable rod one end extends to the fixed cover outside, install the rubber buffer on the movable rod, rubber buffer one side is contradicted with notes oil pipe inboard, the guide arm is installed to the movable rod other end, the guide arm runs through in the expanding spring and extends to the fixed cover outside, guide arm and fixed cover sliding connection.

Specifically, filtering mechanism includes the filter screen, the inside filter screen that is equipped with of oil storage tank, the filter screen is one end open-ended cylindrical structure, the rubber circle is installed to filter screen one end, rubber circle one side is contradicted with the shell inboard, shell outside threaded connection has sealed lid, sealed lid one end is contradicted with the filter screen.

Specifically, the rubber block is installed to sealed lid one end, rubber block one end is contradicted with filter screen one end center department, the rubber block other end is through contradicting spring and the inside sliding connection of sealed lid.

Specifically, sealing mechanism includes the sealing strip, the block is connected with the sealing strip on the shell, the sealing strip is oval structure, the inside gas storage tank that is equipped with of sealing strip.

Specifically, control mechanism includes the gas receiver, be connected with the connecting pipe on the sealing strip, connecting pipe one end is connected with the gas receiver, the inside sliding connection of gas receiver has the piston, threaded connection has the screw rod on the shell, screw rod one end extends to the gas receiver inside, screw rod one end is connected with the piston rotation.

The invention has the beneficial effects that:

(1) the gear box with the automatic fluid infusion and lubrication functions is mounted by matching the speed change mechanism with the shell, so that a motor is favorable for conveying strong torque to an automobile, the automobile runs, and the subsequent disassembly and maintenance are convenient, namely: make things convenient for a plurality of oblique fluted discs and differential gear to rotate inside the set casing under the effect through the bearing to realize power distribution and increased torsion, and through the installation of bolt to the shell, convenient follow-up dismantlement, thereby more conveniently maintain the change to the skewed tooth dish, operate convenience more, conveniently be connected the installation with outside motor and transmission shaft under the effect of through-hole and sealing washer, thereby realize power supply and power transmission distribution, realize the work of vehicle.

(2) According to the gear box with the automatic fluid infusion and lubrication functions, the sealing mechanism is matched with the control mechanism, so that the sealing performance of the two shells is better, and the subsequent sealing performance cannot be influenced due to abrasion caused by maintenance, disassembly and assembly, namely: block through the sealing strip, thereby make two closed backs of shell can be sealed, and the inside gas receiver that is equipped with of sealing strip, make the sealing strip have elasticity, can not lose sealed effect because of long-time extrusion deformation, through rotating the screw rod, make the screw rod drive the piston and slide, thereby make the piston take out to the gas receiver inside to the inside gas of gas receiver, make the effect of gas receiver under convenient to accomodate gas and deposit, convenient two shell lock installations after the sealing strip deformation, through the antiport screw rod, the inside gaseous extrusion of screw rod drive piston to the gas receiver, thereby make inside gaseous entering sealing strip, the sealing strip inflation is contradicted to the inboard extrusion of shell, realize better sealing.

(3) According to the gear box with the automatic liquid supplementing and lubricating functions, under the matching of the liquid supplementing mechanism and the protection mechanism, oil can be conveniently injected and lubricated into the shell, and meanwhile, liquid is supplemented in real time, so that the lubricating oil in the shell can reach each part, namely: lubricating oil can be conveniently added into the shell under the action of the oil filling pipe, the oil pump can be driven by the aid of the connecting shaft and the transmission gear, so that the lubricating oil at the bottom of one end of the movable groove can be conveyed to the other end of the movable groove to realize the sufficient lubrication work in the shell, the lubricating oil can be conveniently stored and pressurized under the action of the oil storage tank, better conveying lubrication can be realized, the fixed sleeve can be conveniently installed under the action of the connecting plate, thereby the movable rod drives the rubber plug under the action of the expansion spring, the rubber plug is butted and blocked with the inner side of the oil filling pipe, thereby the inside lubricating oil of shell can not spill over, and when annotating oil through notes oil pipe one end, lubricating oil extrusion rubber buffer, rubber buffer drive movable rod slip under breaking away from expanding spring's effect, make things convenient for notes oil pipe to switch on and carry out the work of annotating oil to the shell inside, make the movable rod smoothly stable at the inside slip of fixed cover under the effect of guide arm.

(4) According to the gear box with the automatic fluid infusion and lubrication functions, the fluid infusion mechanism can be conveniently filtered during working under the action of the filtering mechanism, lubricating oil can be effectively and repeatedly filtered to remove impurities, follow-up cleaning is facilitated, and safe and stable operation is guaranteed, namely: through the threaded connection of sealed lid, make things convenient for follow-up dismouting, and inside the oil storage tank was conveniently put into to the filter screen to the convenience, make the filter screen stable at oil storage tank internally mounted under the effect through the rubber circle, the leakproofness is good, and conflict at sealed lid, make the filter screen can not become flexible in the oil storage tank inside, lubricating oil passes through inside the guide slot gets into the filter screen, be favorable to filtering to the inside debris of lubricating oil, reduce secondary pollution, demolish through sealed lid, the convenience is dismantled the clearance to the filter screen, and change lubricating oil, installation through sealed lid, it is stable to make the block rubber contradict to the filter screen, make the block rubber have the elasticity under the effect of conflict spring, thereby make the block rubber can not contradict deformation for a long time, it is firm to have ensured to contradict to the filter screen.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a schematic diagram of an overall structure of a gearbox with automatic fluid infusion and lubrication functions according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the connection structure of the housing and the bearing according to the present invention;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 2;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;

FIG. 6 is a schematic view of the connection structure of the bevel gear plate and the differential gear according to the present invention;

FIG. 7 is a schematic view showing the internal structure of the weather strip of the present invention;

FIG. 8 is a schematic view showing the connection structure of the filler pipe, the fixing sleeve and the rubber stopper according to the present invention.

In the figure: 1. a housing; 2. a speed change mechanism; 201. a through hole; 202. a seal ring; 203. a fixing hole; 204. a bearing; 205. a movable groove; 206. a differential gear; 207. an inclined fluted disc; 3. a fluid infusion mechanism; 301. an oil filling pipe; 302. an oil pump; 303. a connecting shaft; 304. a guide groove; 305. a communicating groove; 306. an oil storage tank; 307. a transmission gear; 4. a filtering mechanism; 401. a filter screen; 402. a rubber ring; 403. a sealing cover; 404. against the spring; 405. a rubber block; 5. a sealing mechanism; 501. a sealing strip; 502. an air storage tank; 6. a control mechanism; 601. a screw; 602. a piston; 603. an air storage chamber; 604. a connecting pipe; 7. a protection mechanism; 701. fixing a sleeve; 702. a connecting plate; 703. a tension spring; 704. a guide bar; 705. a movable rod; 706. and a rubber plug.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the gear box with the automatic fluid infusion and lubrication functions comprises a housing 1, a speed change mechanism 2 is installed inside the two housings 1, a fluid infusion mechanism 3 is installed inside the housing 1, a filter mechanism 4 is installed inside the housing 1, a sealing mechanism 5 is installed on the housing 1, a control mechanism 6 is connected to the housing 1, and a protection mechanism 7 is installed on the fluid infusion mechanism 3.

Specifically, the speed change mechanism 2 includes a movable groove 205, the inner sides of the two housings 1 are respectively provided with the movable groove 205, the two housings 1 are respectively connected with a plurality of bearings 204 in a clamping manner, the plurality of bearings 204 are connected with a plurality of inclined fluted discs 207 in a rotating manner, one of the bearings 204 is connected with a differential gear 206 in a rotating manner, the inclined fluted discs 207 and the differential gear 206 are meshed with each other, the two housings 1 are detachably connected with bolts through a plurality of fixing holes 203, the housings 1 are provided with a plurality of through holes 201, sealing rings 202 are installed on the inner sides of the through holes 201, the inclined fluted discs 207 and the differential gear 206 can rotate inside the fixing shell under the action of the bearings 204, so that power distribution and torsion are realized, and the mounting of the housings 1 is facilitated through bolts, the subsequent dismounting is facilitated, and the maintenance and replacement of the inclined fluted discs 207 are facilitated, the operation is more convenient the through-hole 201 with conveniently be connected the installation with outside motor and transmission shaft under the effect of sealing washer 202 to realize power supply and power transmission distribution, realize the work of vehicle.

Concretely, fluid infusion mechanism 3 includes oiling pipe 301, fixedly connected with oiling pipe 301 on the shell 1, another 1 internally mounted of shell has oil pump 302, install connecting axle 303 on the oil pump 302, install drive gear 307 on the connecting axle 303, drive gear 307 meshes with one of them oblique fluted disc 207, oil pump 302 one side extends to inside the activity groove 205, the inside oil storage tank 306 that is equipped with of shell 1, oil storage tank 306 one end is passed through guide slot 304 and is connected with oil pump 302 lateral wall, the oil storage tank 306 other end passes through intercommunication groove 305 and activity groove 205 intercommunication, through convenient under the effect of oiling pipe 301 is right the inside lubricating oil that adds of shell 1, through connecting axle 303 with the installation of drive gear 307, be favorable to right oil pump 302 carries out drive work, thereby makes the lubricating oil of activity groove 205 one end bottom can be carried to the activity groove 205 other end, the inside sufficient lubrication work of shell 1 is realized, through conveniently deposit the pressurization to lubricating oil under the effect of oil storage tank 306, realizes better transport lubrication.

Concrete, protection machanism 7 is including fixed cover 701, the inside center department of notes oil pipe 301 is equipped with fixed cover 701, fixed cover 701 lateral wall is connected with notes oil pipe 301 through a plurality of connecting plates 702, install movable rod 705 on the fixed cover 701, movable rod 705 passes through expanding spring 703 and the inside sliding connection of fixed cover 701, movable rod 705 one end extends to the fixed cover 701 outside, install rubber buffer 706 on the movable rod 705, rubber buffer 706 one side is contradicted with notes oil pipe 301 is inboard, guide rod 704 is installed to the movable rod 705 other end, guide rod 704 runs through and extends to the fixed cover 701 outside in expanding spring 703, guide rod 704 and fixed cover sliding connection, through convenient under the effect of connecting plate 702 is right fixed cover 701 is installed, thereby make movable rod 705 be in under expanding spring 703's the effect to rubber buffer 706 drive, rubber buffer 706 with the inboard conflict of notes oil pipe 301 blocks up, thereby the inside lubricating oil of shell 1 can not spill over, through during the oiling of 301 one end of notes oil pipe, the lubricating oil extrusion rubber buffer 706, rubber buffer 706 drive movable rod 705 breaks away from slide under expanding spring 703's the effect, and is convenient notes oil pipe 301 switches on to go on right the work of the inside oiling of shell 1 make under guide arm 704 the movable rod 705 is in the inside smooth and easy stability of sliding of fixed cover 701.

Specifically, the filtering mechanism 4 includes a filtering net 401, a filtering net 401 is arranged inside the oil storage tank 306, the filtering net 401 is of a cylindrical structure with an open end, a rubber ring 402 is arranged at one end of the filtering net 401, one side of the rubber ring 402 is abutted against the inner side of the shell 1, a sealing cover 403 is in threaded connection with the outer side of the shell 1, one end of the sealing cover 403 is abutted against the filtering net 401, subsequent disassembly and assembly are facilitated through threaded connection of the sealing cover 403, the filtering net 401 can be conveniently placed inside the oil storage tank 306, the filtering net 401 can be stably installed inside the oil storage tank 306 under the action of the rubber ring 402, the sealing performance is good, and the abutting of the sealing cover 403 enables the filtering net 401 not to be loosened inside the oil storage tank 306, lubricating oil enters the filtering net 401 through the guide groove 304, and is beneficial to filtering sundries inside the lubricating oil, secondary pollution is reduced, the filter screen 401 is convenient to detach and clean through the removal of the sealing cover 403, and lubricating oil is replaced.

Specifically, rubber block 405 is installed to sealed lid 403 one end, rubber block 405 one end is contradicted with filter screen 401 one end center department, the rubber block 405 other end is through conflict spring 404 and the inside sliding connection of sealed lid 403, through the installation of sealed lid 403 makes rubber block 405 is right filter screen 401 is contradicted stably make under the effect of conflict spring 404 rubber block 405 has the elasticity, thereby makes rubber block 405 can not be contradicted for a long time and is deformed, has ensured right filter screen 401 is contradicted firmly.

Specifically, sealing mechanism 5 includes sealing strip 501, the block is connected with sealing strip 501 on the shell 1, sealing strip 501 is oval structure, the inside gas storage tank 502 that is equipped with of sealing strip 501, through sealing strip 501's block, thereby make two can be sealed after the shell 1 is closed, and the inside gas storage tank 502 that is equipped with of sealing strip 501 makes sealing strip 501 has elasticity, can not lose sealed effect because of long-time extrusion deformation.

Specifically, the control mechanism 6 includes an air storage chamber 603, the sealing strip 501 is connected with a connecting pipe 604, one end of the connecting pipe 604 is connected with the air storage chamber 603, the air storage chamber 603 is connected with a piston 602 in a sliding manner, the housing 1 is connected with a screw 601 in a threaded manner, one end of the screw 601 extends into the air storage chamber 603, one end of the screw 601 is rotatably connected with the piston 602, the screw 601 drives the piston 602 to slide by rotating the screw 601, so that the piston 602 pumps out the gas in the air storage tank 502 into the air storage chamber 603, the air storage chamber 603 is convenient for storing and storing the gas, two housings 1 are conveniently buckled and installed after the sealing strip 501 is deformed, the screw 601 is reversely rotated, and the screw 601 drives the piston 602 to extrude the gas in the air storage chamber 603, thereby make the gas gets into inside the sealing strip 501, the sealing strip 501 inflation is right the inboard extrusion conflict of shell 1 realizes better sealed.

When the sealing strip is used, the plurality of inclined fluted discs 207 and the differential gear 206 can conveniently rotate in the fixed shell under the action of the bearing 204, so that power distribution and torsion are realized, the shell 1 is conveniently installed through bolts, subsequent disassembly is convenient, the inclined fluted discs 207 can be conveniently maintained and replaced, the operation is more convenient, the sealing strip is conveniently connected and installed with an external motor and a transmission shaft under the action of the through hole 201 and the sealing ring 202, so that power supply and power transmission distribution are realized, the work of a vehicle is realized, the two shells 1 can be sealed after being closed through the clamping of the sealing strip 501, the air storage groove 502 is arranged in the sealing strip 501, the sealing strip 501 has elasticity, the sealing effect cannot be lost due to long-time extrusion deformation, the screw 601 is driven to slide by rotating the screw 601, so that the piston 602 can pump the air in the air storage groove 502 into the air storage chamber 603, the gas can be conveniently stored and stored under the action of the gas storage chamber 603, the two shells 1 are conveniently buckled and mounted after the sealing strip 501 deforms, the screw 601 drives the piston 602 to extrude the gas in the gas storage chamber 603 by reversely rotating the screw 601, so that the gas enters the sealing strip 501, the sealing strip 501 expands to extrude and collide the inner sides of the shells 1, better sealing is realized, lubricating oil can be conveniently added into the shells 1 under the action of the oil injection pipe 301, the oil pump 302 can be driven to work by mounting the connecting shaft 303 and the transmission gear 307, so that the lubricating oil at the bottom of one end of the movable groove 205 can be conveyed to the other end of the movable groove 205, the sufficient lubricating work in the shells 1 is realized, the lubricating oil can be conveniently stored and pressurized under the action of the oil storage groove 306, better conveying lubrication is realized, the fixed sleeve 701 can be conveniently mounted under the action of the connecting plate 702, thereby, the movable rod 705 drives the rubber plug 706 under the action of the expansion spring 703, the rubber plug 706 is abutted against and blocked with the inner side of the oil filling pipe 301, so that the lubricating oil in the shell 1 cannot overflow, when the oil is filled through one end of the oil filling pipe 301, the lubricating oil extrudes the rubber plug 706, the rubber plug 706 drives the movable rod 705 to slide under the action of the expansion spring 703, the oil filling pipe 301 is convenient to conduct to carry out the oil filling work in the shell 1, the movable rod 705 slides smoothly and stably in the fixed sleeve 701 under the action of the guide rod 704, the subsequent disassembly and assembly are convenient through the threaded connection of the sealing cover 403, the filter screen 401 is convenient to be conveniently placed in the oil storage groove 306, the filter screen 401 is stably installed in the oil storage groove 306 under the action of the rubber ring 402, the sealing performance is good, the filter screen 401 cannot be loosened in the oil storage groove 306 due to the abutment of the sealing cover 403, the lubricating oil enters the filter screen 401 through the guide groove 304, be favorable to filtering the inside debris of lubricating oil, reduce secondary pollution, through dismantling of sealed lid 403, the clearance is dismantled to filter screen 401 to the convenience to change lubricating oil, through the installation of sealed lid 403, make block rubber 405 contradict stably to filter screen 401, make block rubber 405 have the elasticity under the effect of conflict spring 404, thereby make block rubber 405 can not be long-time conflict deformation, ensured to contradict firmly to filter screen 401.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A gear box with an automatic liquid supplementing and lubricating function is characterized by comprising shells (1), wherein speed change mechanisms (2) are installed inside the two shells (1), liquid supplementing mechanisms (3) are installed inside the shells (1), filtering mechanisms (4) are installed inside the shells (1), sealing mechanisms (5) are installed on the shells (1), the shells (1) are connected with control mechanisms (6), and protection mechanisms (7) are installed on the liquid supplementing mechanisms (3);

Speed change mechanism (2) are including activity groove (205), two shell (1) inboard is equipped with activity groove (205) respectively, two on shell (1) respectively the block be connected with a plurality of bearings (204), a plurality of rotate on bearing (204) and be connected with a plurality of oblique fluted discs (207), one of them it is connected with differential gear (206) to rotate on bearing (204), and is a plurality of oblique fluted disc (207) and differential gear (206) intermeshing, two shell (1) can dismantle the connection through a plurality of fixed orificess (203) and bolt, be equipped with a plurality of through-holes (201) on shell (1).

2. The gearbox with automatic fluid infusion lubrication function according to claim 1, characterized in that: a sealing ring (202) is installed on the inner side of the through hole (201), and the shell (1) is of an oval structure.

3. The gearbox with automatic fluid infusion lubrication function according to claim 1, characterized in that: fluid infusion mechanism (3) are including oiling pipe (301), fixedly connected with oiling pipe (301), another on shell (1) internally mounted has oil pump (302), install connecting axle (303) on oil pump (302), install drive gear (307) on connecting axle (303), drive gear (307) and one of them oblique fluted disc (207) meshing, inside oil pump (302) one side extends to movable groove (205), shell (1) inside is equipped with oil storage tank (306), oil storage tank (306) one end is passed through guide slot (304) and is connected with oil pump (302) lateral wall, oil storage tank (306) other end passes through intercommunication groove (305) and movable groove (205) intercommunication.

4. A gearbox with automatic fluid infusion and lubrication functions as claimed in claim 3, wherein: protection machanism (7) are including fixed cover (701), oiling pipe (301) inside center department is equipped with fixed cover (701), fixed cover (701) lateral wall is connected with oiling pipe (301) through a plurality of connecting plates (702), install movable rod (705) on fixed cover (701), movable rod (705) are through expanding spring (703) and fixed cover (701) inside sliding connection, movable rod (705) one end extends to fixed cover (701) the outside, install rubber buffer (706) on movable rod (705), rubber buffer (706) one side is contradicted with oiling pipe (301) inboard.

5. The gearbox with automatic fluid infusion and lubrication functions as claimed in claim 4, wherein: a guide rod (704) is installed at the other end of the movable rod (705), the guide rod (704) penetrates through the telescopic spring (703) and extends to the outer side of the fixed sleeve (701), and the guide rod (704) is connected with the fixed sleeve (701) in a sliding mode.

6. A gearbox with automatic fluid infusion and lubrication functions as claimed in claim 3, wherein: filtering mechanism (4) include filter screen (401), oil storage tank (306) inside is equipped with filter screen (401), filter screen (401) are one end open-ended cylindrical structure, rubber circle (402) are installed to filter screen (401) one end, rubber circle (402) one side is contradicted with shell (1) inboard, shell (1) outside threaded connection has sealed lid (403), sealed lid (403) one end is contradicted with filter screen (401).

7. The gearbox with automatic fluid infusion lubrication function according to claim 6, characterized in that: rubber block (405) is installed to sealed lid (403) one end, rubber block (405) one end is contradicted with filter screen (401) one end center department.

8. The gearbox with automatic fluid infusion lubrication function according to claim 7, characterized in that: the other end of the rubber block (405) extends into the sealing cover (403), and one end of the rubber block (405) is in sliding connection with the inside of the sealing cover (403) through a propping spring (404).

9. The gearbox with automatic fluid infusion lubrication function according to claim 1, characterized in that: sealing mechanism (5) are including sealing strip (501), the block is connected with sealing strip (501) on shell (1), sealing strip (501) are oval structure, sealing strip (501) inside is equipped with gas storage tank (502).

10. The gearbox with automatic fluid infusion lubrication function according to claim 9, characterized in that: control mechanism (6) include gas receiver (603), be connected with connecting pipe (604) on sealing strip (501), connecting pipe (604) one end is connected with gas receiver (603), the inside sliding connection of gas receiver (603) has piston (602), threaded connection has screw rod (601) on shell (1), screw rod (601) one end extends to inside gas receiver (603), screw rod (601) one end is rotated with piston (602) and is connected.