Disclosure of Invention
The invention provides a centrifugal fan box capable of automatically feeding lubricating oil, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a centrifugal fan box capable of automatically feeding lubricating oil comprises a fan box body, a supporting seat arranged on one side of the fan box body and a motor arranged on the supporting seat, wherein an impeller is arranged in the fan box body; when the centrifugal fan works, lubricating oil in the first oil storage cavity enters the gearbox through the first oil conveying cavity, so that the first transmission shaft, the second transmission shaft and the third transmission shaft are lubricated in the working process, the abrasion of the first transmission shaft, the second transmission shaft and the third transmission shaft is reduced, the service life of the gearbox is prolonged, and the service life of the fan is prolonged; the first oil storage cavity is arranged at the top of the upper box body so as to absorb heat generated in the gearbox, and the first transmission shaft, the second transmission shaft and the third transmission shaft are prevented from being damaged by the temperature rise of the reduction gearbox; through the form that directly sets up first oil storage chamber on last box, make centrifugal fan constantly add lubricating oil in work, guarantee the lubricated effect in the gearbox, avoid the gearbox inner part phenomenon of wearing and tearing each other to appear, the effectual life who prolongs the fan.
The upper box body is provided with a first groove, the lower box body is provided with a second groove, the first groove and the second groove are matched to form a mounting hole matched with the second transmission shaft, the inner wall of the first groove is provided with a third groove communicated with the first oil conveying cavity, and the second transmission shaft is provided with a connecting disc matched with the third groove; the impeller is provided with a first transmission groove matched with the second transmission shaft, and the first transmission shaft is provided with a second transmission groove matched with the output shaft of the motor.
A first movable groove is formed in the inner wall of the third groove, a first baffle is arranged in the first movable groove, a first reset spring is arranged on the first baffle, a first bump is arranged on the first baffle, and a second bump is arranged on the connecting disc; the inner wall of the second groove is provided with a fourth groove, the inner wall of the fourth groove is provided with a second movable groove, a second baffle is arranged in the second movable groove, the side wall of the second baffle is provided with a second reset spring, the second baffle is provided with a third bump, and the bottom of the fourth groove is provided with a second oil conveying cavity communicated with the bottom of the lower box body.
A first movable cavity is arranged on the second transmission shaft, a transmission block is arranged in the first movable cavity, a plurality of third movable grooves are formed in the side wall of the first movable cavity, a first connecting block matched with the third movable grooves is arranged on the transmission block, a supporting rod is rotatably connected onto the first connecting block, a first supporting block is arranged at one end of the supporting rod, the first supporting block is made of elastic materials, and a sleeve ring is arranged on the supporting rod; and a first connecting shaft is arranged on the inner wall of the lower box body, and a third transmission groove matched with the first connecting shaft is arranged on the transmission block.
The oil-conveying device is characterized in that a third oil conveying cavity is arranged on the first connecting shaft, a fourth oil conveying cavity used for communicating the third oil conveying cavity with the first oil storage cavity is arranged on the upper box body, a first liquid outlet is arranged at the bottom of the third oil conveying cavity, a fourth movable groove is formed in the inner wall of the first liquid outlet, a third baffle is arranged in the fourth movable groove, a first pushing block is arranged at the bottom of the third baffle, a fifth movable groove matched with the first pushing block is arranged at the bottom of the fourth movable groove, and a sealing spring is arranged on the side wall of the third baffle.
The first transmission shaft is provided with a first transmission wheel, the second transmission shaft is provided with a second transmission wheel, the third transmission shaft is provided with a third transmission wheel for transmitting the first transmission wheel and the second transmission wheel, the upper box body and the lower box body are respectively provided with a fifth groove and a first through groove which are matched with the third transmission shaft, the inner wall of the upper box body is provided with a second connecting block, the inner wall of the lower box body is provided with a third connecting block, the upper box body and the lower box body are respectively provided with a first connecting groove, one end of the third transmission shaft is provided with a connecting plate, and the connecting plate is provided with a first connecting ring which is matched with the first connecting groove; the upper box body and the lower box body are provided with second connecting grooves on the side wall, second connecting rings are arranged in the second connecting grooves, fixing plates are arranged on the second connecting rings, and the second connecting grooves are connected with the second connecting rings through threads.
A fifth oil conveying cavity communicated with the first oil storage cavity is formed in the top of a fifth groove in the upper box body, and a sixth oil conveying cavity communicated with the first oil storage cavity is formed in the top of a first connecting groove in the upper box body; the oil transportation device is characterized in that a sixth movable groove is formed in the side wall of the first oil transportation cavity, a first sealing plate is arranged in the sixth movable groove, a first sliding block is arranged on the first sealing plate, a first sliding groove matched with the first sliding block is formed in the inner wall of the sixth movable groove, a first connecting spring is arranged on the first sliding block, a first connecting rope is arranged on the first sealing plate, one end of the first connecting rope is fixedly connected to the inner wall of the sixth movable groove, a first through cavity is formed in the bottom of the sixth movable groove, a first push rod is arranged in the first through cavity in a penetrating mode, a second sliding block is arranged on the first push rod, a second sliding groove matched with the second sliding block is formed in the inner wall of the first through cavity, and a first supporting spring is arranged on the second sliding block.
A seventh movable groove is formed in the inner wall of the fourth oil delivery cavity, a second sealing plate is arranged in the seventh movable groove, a third sliding block is arranged on the second sealing plate, a third sliding groove matched with the third sliding block is formed in the inner wall of the seventh movable groove, a second connecting spring is arranged on the third sliding block, a second connecting rope is arranged on the second sealing plate, one end of the second connecting rope is fixedly connected to the inner wall of the seventh movable groove, a second through cavity is formed in the bottom of the seventh movable groove, a second push rod penetrates through the second through cavity, a fourth sliding block is arranged on the second push rod, a fourth sliding groove matched with the fourth sliding block is formed in the inner wall of the second through cavity, and a second supporting spring is arranged at the bottom of the fourth sliding block; and a third through cavity communicated with the fourth infusion cavity is arranged on the side wall of the sixth infusion cavity, a third sealing plate is arranged in the third through cavity, a fifth sliding block is arranged on the third sealing plate, a fifth sliding groove matched with the fifth sliding block is arranged on the inner wall of the third through cavity, and a third connecting spring is arranged on the fifth sliding block.
A second oil storage cavity is formed in the bottom of the lower box body, a first liquid inlet is formed in the top of the second oil storage cavity, a first one-way valve is arranged in the first liquid inlet, a seventh oil conveying cavity used for communicating the first oil storage cavity with the second oil storage cavity is formed in the side walls of the lower box body and the upper box body, a second one-way valve is arranged at the top of the seventh oil conveying cavity, a first push plate is arranged in the second oil storage cavity, a second through groove is formed in the first push plate, and a fourth sealing plate is rotatably connected to the side wall of the second through groove; a fourth connecting block is arranged at the bottom of the lower box body, an installing block is arranged on the fourth connecting block, a sixth sliding block is arranged on the installing block, a sixth sliding groove matched with the sixth sliding block is arranged on the fourth connecting block, a second connecting shaft is arranged on the installing block, a fourth driving wheel matched with the second driving wheel is arranged on the second connecting shaft, a third connecting rope is wound on the fourth driving wheel, one end of the third connecting rope is fixedly connected to the first push plate, and a third reset spring is arranged on the first push plate; an eighth movable groove is formed in the bottom of the sixth sliding groove, a third push rod is arranged in the eighth movable groove, a ninth movable groove communicated with the eighth movable groove is formed in the inner wall of the second oil storage cavity, a second push plate is arranged in the ninth movable groove, and a fourth reset spring is arranged on the second push plate; the inner wall of the sixth chute is provided with a tenth movable groove, a second supporting block is arranged in the tenth movable groove, the second supporting block is provided with a fourth connecting spring, the bottom of the tenth movable groove is provided with a second movable cavity, the bottom of the second movable cavity is provided with an opening, the bottom of the second supporting block is provided with a first connecting rod, and the bottom of the first connecting rod is provided with a second push block.
The bottom of the upper box body is provided with a fifth connecting block, the fifth connecting block is provided with a cavity, a liquid storage bag is arranged in the cavity, the top of the cavity is provided with a second liquid inlet, the bottom of the cavity is provided with a second liquid outlet, a third one-way valve is arranged in the second liquid inlet, a third push plate is arranged in the cavity, a second connecting rod is arranged on the third push plate, the second connecting rod penetrates out of the cavity, a fourth push plate is arranged on the second connecting rod, and a fifth reset spring is arranged on the fourth push plate; and a fifth driving wheel is arranged on the second transmission shaft, and a third push block matched with the fourth push plate is arranged on the fifth driving wheel.
The invention has the following advantages: through the form that directly sets up first oil storage chamber on last box, make centrifugal fan constantly add lubricating oil in work, guarantee the lubricated effect in the gearbox, avoid the gearbox inner part phenomenon of wearing and tearing each other to appear, the effectual life who prolongs the fan.
Detailed Description
As shown in fig. 1-20, a centrifugal fan box for automatically feeding lubricating oil comprises a fan box 1, a support base 2 arranged on one side of the fan box 1, and a motor 3 arranged on the support base 2, wherein an impeller 11 is arranged in the fan box 1, and is characterized in that: a gearbox is arranged on the supporting seat 2, the gearbox comprises an upper box body 41 and a lower box body 42, a first oil storage cavity is arranged on the upper box body 41, a first transmission shaft 43, a second transmission shaft 44 and a third transmission shaft 45 are arranged in the gearbox, and a first oil conveying cavity communicated with the first oil storage cavity is arranged on the side wall of the upper box body 41; when the centrifugal fan works, lubricating oil in the first oil storage cavity enters the gearbox through the first oil conveying cavity, so that the first transmission shaft, the second transmission shaft and the third transmission shaft are lubricated in the working process, the abrasion of the first transmission shaft, the second transmission shaft and the third transmission shaft is reduced, the service life of the gearbox is prolonged, and the service life of the fan is prolonged; the first oil storage cavity is arranged at the top of the upper box body so as to absorb heat generated in the gearbox, and the damage to the first transmission shaft, the second transmission shaft and the third transmission shaft caused by the temperature rise of the reduction gearbox is avoided; through the form that directly sets up first oil storage chamber on last box, make centrifugal fan constantly add lubricating oil in work, guarantee the lubricated effect in the gearbox, avoid the gearbox inner part phenomenon of wearing and tearing each other to appear, the effectual life who prolongs the fan.
A first groove is formed in the upper box body 41, a second groove is formed in the lower box body 42, the first groove and the second groove are matched to form a mounting hole matched with the second transmission shaft, a third groove communicated with the first oil conveying cavity is formed in the inner wall of the first groove, and a connecting disc 447 matched with the third groove is formed in the second transmission shaft 44; a first transmission groove matched with the second transmission shaft 44 is formed in the impeller 11, and a second transmission groove matched with an output shaft of the motor 3 is formed in the first transmission shaft 43; the bottom of the lower box body is provided with a seventh sliding block 421, the supporting seat is provided with a seventh sliding chute matched with the seventh sliding block, the bottom of the motor is provided with a motor base 31, the bottom of the motor base is provided with an eighth sliding block, and the supporting seat is provided with an eighth sliding chute matched with the eighth sliding block; an eleventh movable groove is formed in the inner wall of the eighth sliding groove, a limiting block 21 is arranged in the eleventh movable groove, a twelfth movable groove is formed in the side wall of the eleventh movable groove, and a fourth pushing block 211 matched with the twelfth movable groove is arranged on the limiting block; when the gearbox is installed, the seventh sliding block is pushed into the seventh sliding groove, the second transmission shaft is inserted into the first transmission groove, the eighth sliding block is pushed into the eighth sliding groove, and the output shaft of the motor is inserted into the second transmission groove, so that the centrifugal fan is installed; the eighth sliding block is limited under the action of a limiting block, so that the connecting effect of the motor and the gearbox is ensured, and meanwhile, the motor is utilized to fix the gearbox, so that the power is stably transmitted to the impeller; under the mutual matching of the third groove and the connecting disc, the second transmission shaft is stably connected into the gearbox, and the reliability of the second transmission shaft is ensured; lubricating oil in the first oil storage cavity can flow into the third groove through the first oil conveying cavity, a lubricating effect is achieved on the joint of the second transmission shaft and the gearbox, friction between the second transmission shaft and the inner wall of the gearbox is reduced, and the service life of the gearbox is prolonged.
A first movable groove is formed in the inner wall of the third groove, a first baffle 430 is arranged in the first movable groove, a first reset spring 4301 is arranged on the first baffle 430, a first bump 4302 is arranged on the first baffle 430, and a second bump 4471 is arranged on the connecting disc 447; a fourth groove is formed in the inner wall of the second groove, a second movable groove is formed in the inner wall of the fourth groove, a second baffle is arranged in the second movable groove, a second return spring is arranged on the side wall of the second baffle, a third bump is arranged on the second baffle, and a second oil conveying cavity communicated with the bottom of the lower box body 42 is formed in the bottom of the fourth groove; when the second transmission shaft drives the connecting disc to rotate, the second bump rotates to be in contact with the first bump, the second bump pushes the first bump to move, the first bump drives the first baffle to move, and lubricating oil in the first oil conveying cavity directly enters the third groove to provide a lubricating effect for the connecting disc; after the second lug rotates to one side of the third lug, the second lug pushes the third lug to move, the third lug drives the second baffle to move, the lubricating oil in the third groove flows into the fourth groove and is discharged from the third groove through the second oil conveying cavity, and the normal rotation of the second transmission shaft is prevented from being influenced by excessive lubricating oil in the third groove; under the matching of the first oil conveying cavity and the second oil conveying cavity, lubricating oil in the third groove and the fourth groove is in a continuous flowing state, so that the lubricating effect of the lubricating oil on the connecting disc is ensured, and the abrasion of the connecting disc and the inner walls of the third groove and the fourth groove is reduced; under the arrangement of the first baffle and the second baffle, the first oil conveying cavity and the second oil conveying cavity are opened discontinuously, so that the lubricating oil is ensured to have sufficient time to contact with the connecting disc, and the connecting disc, the third groove and the fourth groove are ensured to have sufficient lubricating effect; and the lubricating oil flowing out of the second oil conveying cavity directly flows into the lower box body so as to be collected.
A first movable cavity is arranged on the second transmission shaft 44, a transmission block 443 is arranged in the first movable cavity, a plurality of third movable grooves are arranged on the side wall of the first movable cavity, a first connecting block matched with the third movable grooves is arranged on the transmission block 443, a supporting rod 444 is rotatably connected onto the first connecting block, a first supporting block 445 is arranged at one end of the supporting rod 444, the first supporting block 445 is made of elastic materials, and a sleeve ring 446 is arranged on the supporting rod 444; a first connecting shaft 423 is arranged on the inner wall of the lower box body 42, and a third transmission groove matched with the first connecting shaft 423 is arranged on the transmission block 443; when the second transmission shaft is installed, the upper box body and the lower box body are opened, the connecting disc is placed in the fourth groove, the transmission block is located in the first movable cavity at the moment, the transmission block is pushed to the outer side of the first movable cavity, the transmission block extends out of the first movable cavity, the first connection shaft is inserted into the third transmission groove, and supporting force is provided for the other end of the second transmission shaft under the action of the first connection shaft; after the first connecting shaft is inserted into the third transmission groove, the supporting rod is rotated, the supporting rod is turned to be in a horizontal state, the supporting rod enters the third movable groove, the first supporting block abuts against the inner wall of the third movable groove, the supporting rod is fixed under the action of the first supporting block, the matching effect of the supporting rod and the third movable groove is improved, stable supporting force is provided for the transmission block, and the connecting effect of the first connecting shaft and the transmission block is ensured; when the second transmission shaft needs to be disassembled, the outer side of the outer third movable groove works a lantern ring, the lantern ring drives the supporting rod to be overturned out from the third movable groove, the transmission block is pushed into the first movable cavity, and the first connecting shaft is separated from the third transmission groove after the transmission block enters the first movable cavity, so that the second transmission shaft can be disassembled, and the maintenance difficulty of the second transmission shaft is reduced; first supporting block can be made for rubber, and first supporting block produces deformation when supporting on the third activity inslot wall, increases the effort of first supporting block to the bracing piece, avoids the bracing piece to overturn when the secondary drive axle uses, guarantees the linkage effect of secondary drive axle.
A third oil delivery cavity is arranged on the first connecting shaft 423, a fourth oil delivery cavity used for communicating the third oil delivery cavity with the first oil storage cavity is arranged on the upper box body 41, a first liquid outlet is arranged at the bottom of the third oil delivery cavity, a fourth movable groove is arranged on the inner wall of the first liquid outlet, a third baffle plate 424 is arranged in the fourth movable groove, a first push block 425 is arranged at the bottom of the third baffle plate 424, a fifth movable groove matched with the first push block 425 is arranged at the bottom of the fourth movable groove, and a sealing spring is arranged on the side wall of the third baffle plate 424; when the first connecting shaft is not inserted into the third transmission groove, the sealing spring pushes the third baffle plate to move to the first liquid outlet, and the third baffle plate seals the first liquid outlet to prevent lubricating oil from leaking from the first liquid outlet; when the first connecting shaft is inserted into the third transmission groove, the side wall of the third transmission groove is abutted to the first pushing block, after the first connecting shaft enters the third transmission groove, the third baffle enters the fourth movable groove, the first liquid outlet is opened, lubricating oil in the first oil storage cavity enters the third oil delivery cavity through the fourth oil delivery cavity, lubricating oil in the third oil delivery cavity enters the third transmission groove from the first liquid outlet, the lubricating oil is added into the third transmission groove, the friction between the inner wall of the third transmission groove and the first connecting shaft is reduced, and the first connecting shaft and the inner wall of the third transmission groove are protected.
A first transmission wheel 431 is arranged on the first transmission shaft 43, a second transmission wheel 441 is arranged on the second transmission shaft 44, a third transmission wheel 451 for transmitting the first transmission wheel 431 and the second transmission wheel 441 is arranged on the third transmission shaft 45, a fifth groove and a first through groove which are matched with the third transmission shaft 45 are respectively arranged on the upper box body 41 and the lower box body 42, a second connecting block 411 is arranged on the inner wall of the upper box body 41, a third connecting block 421 is arranged on the inner wall of the lower box body 42, first connecting grooves are respectively arranged on the upper box body 41 and the lower box body 42, a connecting plate 452 is arranged at one end of the third transmission shaft 45, and a first connecting ring 453 which is matched with the first connecting grooves is arranged on the connecting plate 452; the side walls of the upper box body 41 and the lower box body 42 are provided with second connecting grooves, second connecting rings are arranged in the second connecting grooves, fixing plates 46 are arranged on the second connecting rings, and the second connecting grooves and the second connecting rings are connected through threads; the mounting mode of the first transmission shaft is the same as that of the second transmission shaft, after the first transmission shaft and the second transmission shaft are mounted, the third transmission shaft is placed into the first through groove, the third transmission shaft is pushed into the gearbox, the third transmission wheel moves to one side of the first transmission wheel and one side of the second transmission wheel, the first transmission wheel and the second transmission wheel are in transmission fit by the third transmission wheel, the first connecting ring is embedded into the first connecting groove at the moment, the second connecting ring is rotated into the second connecting groove, the fixing plate abuts against the connecting plate, the fixing plate is used for fixing the third transmission shaft, and the matching effect of the third transmission wheel, the first transmission wheel and the second transmission wheel is guaranteed; under the matching of the second connecting ring and the second connecting groove, the connecting effect of the upper box body and the lower box body is improved, and the use reliability of the gearbox is ensured; when the gearbox is disassembled, the second connecting ring is rotated out of the second connecting groove, the upper box body and the lower box body are opened after the fixing plate is disassembled, the third transmission shaft is pulled out of the lower box body, the third transmission wheel is moved away from one side of the first transmission wheel and one side of the second transmission wheel, the supporting rod is turned over, the first connecting shaft is separated from the third transmission groove, and the first transmission shaft and the second transmission shaft are taken out of the lower box body so as to maintain the internal parts of the gearbox.
A fifth oil conveying cavity communicated with the first oil storage cavity is formed in the top of a fifth groove in the upper box body 41, and a sixth oil conveying cavity communicated with the first oil storage cavity is formed in the top of a first connecting groove in the upper box body 41; be equipped with sixth movable groove on the first oil transportation chamber lateral wall, be equipped with first closing plate 440 in the sixth movable groove, be equipped with first slider 4401 on the first closing plate 440, be equipped with on the sixth movable inslot wall with first slider 4401 matched with first spout, be equipped with first connecting spring 4402 on the first slider 4401, be equipped with first connecting rope 4403 on the first closing plate 440, first connecting rope 4403 one end link firmly in on the sixth movable inslot wall, sixth movable bottom is equipped with first logical chamber, first logical intracavity is worn to be equipped with first push rod 450, be equipped with second slider 4501 on the first push rod 450, be equipped with on the first logical intracavity wall with second slider 4501 matched with second spout, be equipped with first supporting spring 4502 on the second slider 4501: when the upper box body is not arranged on the lower box body, the first sealing plate is inserted into the first oil conveying cavity to seal the first oil conveying cavity, so that lubricating oil is prevented from leaking out of the first oil conveying cavity; after the upper box body is installed on the lower box body, the first push rod is abutted to the top surface of the lower box body, the first push rod moves upwards to push the middle of the first connecting rope to be bent, the first connecting rope pulls the first sealing plate to enter the sixth movable groove, the first oil conveying cavity is opened, lubricating oil enters the third groove through the first oil conveying cavity, the connecting disc is lubricated, kinetic energy loss of a motor is reduced, and the service life of the gearbox is prolonged.
A seventh movable groove is formed in the inner wall of the fourth oil conveying cavity, a second sealing plate 460 is arranged in the seventh movable groove, a third sliding block 4601 is arranged on the second sealing plate 460, a third sliding groove matched with the third sliding block 4601 is formed in the inner wall of the seventh movable groove, a second connecting spring 4602 is arranged on the third sliding block 4601, a second connecting rope 4603 is arranged on the second sealing plate 460, one end of the second connecting rope 4603 is fixedly connected to the inner wall of the seventh movable groove, a second through cavity is formed in the bottom of the seventh movable groove, a second push rod 470 penetrates through the second through cavity, a fourth sliding block 4701 is arranged on the second push rod 470, a fourth sliding groove matched with the fourth sliding block 4701 is formed in the inner wall of the second through cavity, and a second supporting spring 4702 is arranged at the bottom of the fourth sliding block 4701; a third through cavity communicated with the fourth infusion cavity is formed in the side wall of the sixth oil delivery cavity, a third sealing plate 480 is arranged in the third through cavity, a fifth sliding block is arranged on the third sealing plate 480, a fifth sliding groove matched with the fifth sliding block is formed in the inner wall of the third through cavity, and a third connecting spring is arranged on the fifth sliding block; when the upper box body is not arranged on the lower box body, the fourth oil delivery cavity is sealed by the second sealing plate, and the sixth oil delivery cavity is sealed by the third sealing plate, so that lubricating oil in the first oil delivery cavity is prevented from leaking out; go up the box and install back on box down, the second push rod up-moving promotes the second and connects the rope middle part bending, the second is connected the rope pulling second closing plate and is removed, the second closing plate is putd aside from third closing plate one side, third connecting spring promotes the fifth slider and removes, the third closing plate enters into the second through-cavity when the second closing plate gets into the seventh movable slot, open fourth oil conveying chamber and sixth oil conveying chamber simultaneously, make lubricating oil flow in the box down, play the lubrication action to each transmission shaft, avoid transmission shaft and gearbox inner wall to produce too big wearing and tearing.
A second oil storage cavity is formed in the bottom of the lower box body 42, a first liquid inlet is formed in the top of the second oil storage cavity, a first one-way valve 49 is arranged in the first liquid inlet, a seventh oil conveying cavity used for communicating the first oil storage cavity with the second oil storage cavity is formed in the side walls of the lower box body 42 and the upper box body 41, a second one-way valve 412 is arranged at the top of the seventh oil conveying cavity, a first push plate 410 is arranged in the second oil storage cavity, a second through groove is formed in the first push plate 410, and a fourth sealing plate is rotatably connected to the side wall of the second through groove; a fourth connecting block 47 is arranged at the bottom of the lower box 42, an installing block 48 is arranged on the fourth connecting block 47, a sixth sliding block 481 is arranged on the installing block 48, a sixth sliding groove matched with the sixth sliding block 481 is arranged on the fourth connecting block 47, a second connecting shaft 482 is arranged on the installing block 48, a fourth driving wheel 483 matched with the second driving wheel 441 is arranged on the second connecting shaft 482, a third connecting rope 4102 is wound on the fourth driving wheel 483, one end of the third connecting rope 4102 is fixedly connected to the first push plate 410, and a third return spring 4101 is arranged on the first push plate 410; an eighth movable groove is formed in the bottom of the sixth sliding groove, a third push rod 471 is arranged in the eighth movable groove, a ninth movable groove communicated with the eighth movable groove is formed in the inner wall of the second oil storage cavity, a second push plate 490 is arranged in the ninth movable groove, and a fourth return spring is arranged on the second push plate 490; a tenth movable groove is formed in the inner wall of the sixth sliding groove, a second supporting block 472 is arranged in the tenth movable groove, a fourth connecting spring 473 is arranged on the second supporting block 472, a second movable cavity is arranged at the bottom of the tenth movable groove, an opening is formed in the bottom of the second movable cavity, a first connecting rod 474 is arranged at the bottom of the second supporting block 472, and a second push block 475 is arranged at the bottom of the first connecting rod 474; lubricating oil falling at the bottom of the lower box body enters a second oil storage cavity through a first liquid inlet, a second transmission shaft rotates to drive a fourth transmission wheel to rotate, the fourth transmission wheel pulls a third connecting rope to move, the third connecting rope pulls a first push plate to move, the first push plate pushes the lubricating oil in the second oil storage cavity to flow into a seventh oil conveying cavity, the lubricating oil in the second oil storage cavity enters the first oil conveying cavity through the seventh oil conveying cavity, and the lubricating oil at the bottom of the lower box body is collected; when the first push plate moves to the end, close to the seventh oil delivery cavity, of the second oil storage cavity, the first push plate pushes the second push block to move, the second push block drives the second supporting block to enter the tenth movable groove, the sixth sliding block moves downwards after losing supporting force, the fourth driving wheel is in contact with the second driving wheel, the third reset spring pushes the first push plate to move back, the second push plate is pushed to move when the first push plate moves back, the second push plate moves towards the ninth movable groove, the second push plate pushes air in the ninth movable groove into the eighth movable eraser, the third push rod pushes the sixth sliding block to move upwards, the fourth driving wheel moves to be in contact with the bottom of the second driving wheel, the sixth sliding block moves to the top of the sixth sliding groove, the fourth connecting spring pushes the second supporting block to extend out from the tenth movable groove, the second supporting block moves to the bottom of the sixth sliding block, the sixth sliding block is fixed to the top of the sixth sliding groove by the second supporting block, the matching effect of the fourth driving wheel and the second driving wheel is guaranteed, power is provided for the movement of the first push plate to push lubricating oil in the second oil storage cavity, and lubricating oil is pushed to the lubricating oil storage cavity circularly.
A fifth connecting block 420 is arranged at the bottom of the upper box 41, a cavity is arranged on the fifth connecting block 420, a liquid storage bag 4201 is arranged in the cavity, a second liquid inlet is arranged at the top of the cavity, a second liquid outlet is arranged at the bottom of the cavity, a third one-way valve is arranged in the second liquid inlet, a third push plate 4202 is arranged in the cavity, a second connecting rod 4203 is arranged on the third push plate 4202, the second connecting rod 4203 penetrates out of the cavity, a fourth push plate 4204 is arranged on the second connecting rod 4203, and a fifth return spring 4205 is arranged on the fourth push plate 4204; a fifth transmission wheel 442 is arranged on the second transmission shaft 44, and a third push block 4421 matched with the fourth push plate 4204 is arranged on the fifth transmission wheel 442; the second transmission shaft drives the fifth transmission wheel to rotate when rotating, the third push block is in discontinuous contact with the fourth push plate when rotating along with the fifth transmission wheel, the fourth push plate drives the third push plate to extrude the liquid storage bag, lubricating oil in the liquid storage bag is extruded from the second liquid outlet, the extruded lubricating oil falls on the third transmission wheel, the first transmission wheel and the second transmission wheel are adhered with the lubricating oil when in contact with the third transmission wheel, the contact part of the transmission wheels is lubricated, and the abrasion of the transmission wheels is reduced; after the third push block passes through one side of the fourth push plate, the fifth return spring pushes the third push plate to move back, and the lubricating oil in the first oil storage cavity enters the liquid storage bag through the second liquid inlet to supplement the lubricating oil in the liquid storage bag; part of lubricating oil extruded from the second liquid outlet directly drops at bottom of the lower box body, and the lubricating oil enters into the second oil storage cavity and is recycled.
The drawings in the present application are only schematic and the specific dimensions thereof are subject to practical implementation.