CN114483932A - Automatic-lubrication lead screw transmission device and control method thereof - Google Patents
Automatic-lubrication lead screw transmission device and control method thereof Download PDFInfo
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- CN114483932A CN114483932A CN202210186993.0A CN202210186993A CN114483932A CN 114483932 A CN114483932 A CN 114483932A CN 202210186993 A CN202210186993 A CN 202210186993A CN 114483932 A CN114483932 A CN 114483932A
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- transmission worm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0408—Exchange, draining or filling of transmission lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0447—Control of lubricant levels, e.g. lubricant level control dependent on temperature
- F16H57/0449—Sensors or indicators for controlling the fluid level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0497—Screw mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0498—Worm gearings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Abstract
The invention belongs to the technical field of lifting screw transmission, in particular to an automatic lubricating screw transmission device and a control method thereof, wherein the automatic lubricating screw transmission device comprises a lifting screw, a transmission sleeve is sleeved on the outer surface of the lifting screw in a threaded manner, and a transmission box body is fixedly communicated with one side of the transmission sleeve; the inside of transmission box is provided with lubricating arrangement, and lubricating arrangement includes the meshing worm, and the meshing worm evenly paints lubricating oil to the structure of transmission box inside at meshing pivoted in-process to realize the lubrication of the inside drive mechanism of transmission box, prevent that the card is dead. According to the automatic lubricating lead screw transmission device and the control method thereof, the lubricating device is arranged to lubricate the surface of the transmission worm in the transmission box body, the meshing worm is driven to rotate when the transmission worm rotates, so that the meshing worm extracts lubricating grease in the buffer oil tank and coats the lubricating grease on the outer surface of the transmission worm, lubrication of the transmission mechanism is achieved, and the phenomenon of clamping is avoided.
Description
Technical Field
The invention relates to the technical field of lifting screw transmission, in particular to an automatic lubricating screw transmission device and a control method thereof.
Background
The spiral lead screw lifter comprises a worm wheel, a worm, a lead screw, a box body, a bearing and the like, the ascending and descending of the spiral lead screw lifter can be electric or manual, the spiral lead screw lifter is divided into two modes of lead screw up-and-down movement and nut up-and-down movement, the worm rotates, the worm is meshed with the worm wheel, and the worm wheel drives the lead screw or the nut to move up and down.
In recent years, screw lifters have been studied to some extent. However, the screw rod lifter is provided by the invention to solve the defects of the technical problems, such as potential mechanical jamming failure, for example, jamming among parts due to overlarge gaps after long-time working and abrasion, or structural failure due to uneven stress of the whole device due to overlarge surface friction force caused by long-time working of the parts.
Disclosure of Invention
The invention provides an automatic lubricating lead screw transmission device and a control method thereof based on the technical problems that potential mechanical jamming failure of an existing lead screw lifter, such as jamming among parts is caused by overlarge gaps after long-time working and abrasion, or surface friction force is overlarge due to the long-time working of the parts.
The invention provides an automatic lubricating lead screw transmission device and a control method thereof, wherein the automatic lubricating lead screw transmission device comprises a lifting lead screw, wherein a transmission sleeve is sleeved on the outer surface of the lifting lead screw in a threaded manner, and one side of the transmission sleeve is fixedly communicated with a transmission box body;
a lubricating device is arranged in the transmission box body and comprises a meshing worm, and lubricating oil is uniformly coated on the structure in the transmission box body by the meshing worm in the meshing rotation process, so that the transmission mechanism in the transmission box body is lubricated and prevented from being stuck;
a transmission worm wheel is arranged in the transmission sleeve, the inner wall of the transmission worm wheel is in threaded sleeve joint with the outer surface of the lifting screw rod, a rotating device is arranged in the transmission worm wheel and comprises an engaging gear, and the engaging gear is used for stirring lubricating oil in the transmission worm wheel in the process of uniform rotation so as to lubricate the outer surface of the transmission worm wheel;
the outer surface of the transmission worm wheel is provided with a perpetual motion device which comprises perpetual motion magnets, wherein the perpetual motion magnets are arranged on two sides of the transmission worm wheel, so that the rotation direction of the transmission worm wheel is controlled, and the transmission worm wheel is assisted to rotate.
Preferably, the inside of transmission box is connected with the transmission worm through the bearing rotation, the surface of transmission worm with the surface meshing of transmission worm wheel, the inside fixed mounting of transmission box has the buffering oil tank.
Through above-mentioned technical scheme, the one end of transmission box communicates with the one end of transmission sleeve to when actuating mechanism drive transmission worm rotated, the drive gear with it meshing rotated in transmission sleeve's inside, and then realized lifting screw's up-and-down motion, the setting of buffer tank is in one side of transmission worm, and its inside is full of lubricating grease, pushes lubricating grease in the buffer tank under the promotion structure and advances to paint on the surface of transmission worm, realizes the surface self-lubricating of transmission worm.
Preferably, the inner side wall of the buffer oil tank is rotatably sleeved with the outer surfaces of two ends of the meshing worm through bearings, and the outer surface of the meshing worm is meshed with the outer surface of the transmission worm.
Through the technical scheme, one side surface setting of meshing worm is inside the one end of buffer tank, buffer tank one side is the opening setting, thereby when the transmission worm rotates, it rotates to drive the meshing worm, and then make the meshing worm extract the inside lubricating grease of buffer tank, and scribble the surface at the transmission worm at meshing driven in-process, again because transmission worm and transmission worm wheel mesh, and then lubricating grease transmits the surface to the transmission worm wheel, realize drive mechanism's lubrication, avoid having the card and move the phenomenon, the setting of meshing worm simultaneously is avoided pushing lubricating grease directly to be full of the surface at the transmission worm, cause the waste of lubricating grease, make transmission worm surface lubrication distribution inhomogeneous simultaneously.
Preferably, one end of the buffer oil tank is fixedly communicated with an oil inlet pipe, one side of the oil inlet pipe is fixedly connected with a flowmeter, and the outer surface of the oil inlet pipe is provided with a scale wire groove.
Through above-mentioned technical scheme, advance oil pipe and run through the inside that transmission box extended to buffer tank to can push away its inside lubricating grease to buffer tank, the inside flow of flowmeter detectable oil pipe, if be less than the limiting value, then the alarm of flowmeter is reported to the police, advances oil pipe simultaneously and is transparent setting, can regularly observe the inside lubricating grease flow of oil pipe from the scale wire casing directly perceivedly, thereby avoid advancing oil pipe and lack lubricating grease for a long time.
Preferably, one side fixed surface who advances oil pipe is connected with the installation casing, the inside fixed mounting who installs the casing has the push cylinder, the piston rod fixed surface who pushes the cylinder is connected with sliding piston, sliding piston's surface with advance the inside slip of oil pipe and cup joint, the fixed cover of piston rod surface that pushes the cylinder has been cup jointed buffer spring, buffer spring's free end with advance one side inner wall fixed connection of oil pipe.
Through above-mentioned technical scheme, the inside promotion cylinder work of installation casing promotes the sliding piston and advances slowly in the inside of advancing oil pipe, sets for the operating time who promotes the cylinder through controlling element to sustainable constantly provide lubricating grease for the buffer tank, buffer spring can cushion the motion that promotes the cylinder.
Preferably, an annular cavity is formed in the transmission worm wheel, the inner side wall of the annular cavity is fixedly connected with a meshing rack, an oil injection port is formed in the upper surface of the transmission worm wheel, and a sealing plate is fixedly connected to the surface of the oil injection port through a bolt.
Through above-mentioned technical scheme, drive worm wheel is inside to be seted up into hollow annular cavity, through opening the closing plate, can inject lubricating grease to annular cavity inside toward the oiling mouth.
Preferably, the outer surface of the meshing rack is meshed with the outer surface of the meshing gear, the outer surface of the meshing gear is connected with the inner wall of the annular cavity in a sliding mode, the upper surface of the transmission worm gear is fixedly connected with an infrared level meter, the inner wall of the annular cavity is in an annular array and is provided with capillary holes in a penetrating mode, and the surface of the transmission sleeve is provided with a movable opening in a penetrating mode.
Through above-mentioned technical scheme, along with the rotation of transmission worm wheel, its inside meshing rack rotates, thereby make the meshing gear rotate at the uniform velocity in annular cavity's inside, thereby stir its inside lubricating grease, thereby make lubricating grease ooze the outside through the capillary hole, thereby can lubricate transmission worm wheel surface, the annular cavity is oozed in the absorption of the lubricating grease accessible capillary hole of transmission worm transmission simultaneously, and then ooze by the capillary hole of opposite side again, supply for the transmission worm wheel and use, when replenishing lubricating grease to annular cavity, through opening the activity mouth, stir transmission worm, make the transmission worm wheel rotate, jet out from the activity mouth until infrared level meter infrared light, then oiling mouth aligns with the activity mouth, thereby can realize replenishing lubricating grease to annular cavity.
Preferably, the surfaces of the two sides of the transmission sleeve are fixedly communicated with mounting side cylinders, and the permanent magnet is fixedly mounted inside the mounting side cylinders.
Through above-mentioned technical scheme, the permanent magnet is two semicircle ring shapes and sets up in the both sides of transmission worm wheel, and the upper and lower internal surface of permanent magnet wraps up the surface of transmission worm wheel, and surface interval distance is the same about simultaneously.
Preferably, the upper surface of the transmission worm wheel is in an annular array and is fixedly connected with a counter magnet, and the counter magnet and the perpetual motion magnet are magnetically attracted.
Through above-mentioned technical scheme, the transmission worm wheel drives antipodal magnet at the pivoted in-process and rotates to under the effect of perpetual motion magnet, make the transmission worm wheel keep carrying out axial rotation around the axis of lifting screw, and perpetual motion magnet and antipodal magnet provide auxiliary power for the rotation of transmission worm wheel.
Preferably, the control method of the self-lubricating screw transmission device and the control method thereof is as follows:
s1, when the driving mechanism drives the transmission worm in the transmission box body to rotate, in order to prevent the transmission worm from being stuck due to long-time movement, the pushing cylinder in the installation shell works to push the sliding piston to slowly advance in the oil inlet pipe, and the working time of the pushing cylinder is set through the control element, so that lubricating grease can be continuously provided for the buffer oil tank, and the buffer spring can buffer the movement of the pushing cylinder;
s2, when the drive worm rotated, it rotated to drive the meshing worm, and then made the meshing worm extract the inside lubricating grease of buffer tank, and scribble the surface at the drive worm at the driven in-process of meshing, realize the lubrication of drive worm, through the inside flow of flowmeter detectable oil feed pipe, if be less than the limit value, then the alarm of flowmeter reports to the police, it is transparent setting to advance the oil pipe simultaneously, can regularly directly perceivedly observe the inside lubricating grease flow of oil pipe from the scale wire casing, thereby avoid advancing oil pipe and lack lubricating grease for a long time:
s3, lubricating grease is transferred to the surface of the transmission worm wheel due to the fact that the transmission worm is meshed with the transmission worm wheel, the transmission worm wheel rotates to be lubricated, meanwhile, the lubricating grease transferred by the transmission worm can seep into the annular cavity through the adsorption of the capillary hole, and then seeps out of the capillary hole on the other side and is supplied to the transmission worm wheel for use;
s4, along with the rotation of the transmission worm wheel, the internal meshing rack rotates, so that the meshing gear rotates in the annular cavity at a constant speed, lubricating grease in the annular cavity is stirred, the lubricating grease seeps out of the annular cavity through the capillary hole, the outer surface of the transmission worm wheel can be lubricated, when the annular cavity is replenished with the lubricating grease, the transmission worm is shifted by opening the movable port, the transmission worm wheel rotates, until infrared light of the infrared level meter is emitted from the movable port, the oil injection port is aligned with the movable port, and the lubricating grease can be replenished to the annular cavity;
s5, when avoiding the transmission worm wheel to rotate, the deviation appears in the angle, and the dead phenomenon of card appears between the lift lead screw, drives antipodal magnet through the transmission worm wheel at the pivoted in-process and rotates to under the effect of perpetual motion magnet, make the transmission worm wheel keep carrying out axial rotation around the axis of lift lead screw, and perpetual motion magnet and antipodal magnet provide auxiliary power for the rotation of transmission worm wheel.
The beneficial effects of the invention are as follows:
1. through setting up lubricating arrangement, carry out lubricated processing to the transmission worm surface in the transmission box, avoid having the dead phenomenon of card at driven in-process, at the in-process of adjusting, when rotating through the transmission worm, drive the meshing worm and rotate, and then make the meshing worm extract the inside lubricating grease of buffer tank, and scribble the surface at the transmission worm at the driven in-process of meshing, realize drive mechanism's lubrication, avoid having the card and move the phenomenon, the setting of meshing worm simultaneously is avoided pushing lubricating grease directly to be full of on the surface of transmission worm, cause the waste of lubricating grease, make transmission worm surface lubrication to distribute inhomogeneous simultaneously.
2. Through setting up rotating device, when making the transmission worm wheel rotate, drive the rotating device motion, realize the lubrication treatment of transmission worm wheel, at the in-process of adjusting, along with the rotation of transmission worm wheel, its inside meshing rack rotates, thereby make the meshing gear rotate at the uniform velocity in the inside of annular cavity, thereby stir its inside lubricating grease, thereby make lubricating grease ooze the outside through the capillary hole, thereby can lubricate transmission worm wheel surface, avoid there being the card phenomenon of dying between transmission worm wheel and the drive worm.
3. Through setting up perpetual motion device, it is spacing to the rotation realization of transmission worm wheel, avoid angular deviation to bring the card phenomenon of dying, at the in-process of adjusting, drive antipodal magnet at the pivoted in-process through the transmission worm wheel and rotate, thereby under the effect of perpetual motion magnet, make the transmission worm wheel keep carrying out the axial around the axis of lift lead screw and rotate, and perpetual motion magnet provides auxiliary power with antipodal magnet for the rotation of transmission worm wheel, thereby the card phenomenon of dying between transmission worm wheel and the lift lead screw has been avoided.
Drawings
FIG. 1 is a schematic diagram of an automatic lubrication lead screw transmission and a control method thereof according to the present invention;
FIG. 2 is a perspective view of a transmission case structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 3 is a perspective view of a buffer oil tank structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 4 is a perspective view of a drive worm structure of an automatic lubrication lead screw drive device and a control method thereof according to the present invention;
FIG. 5 is a perspective view of an oil inlet pipe structure of an automatic lubrication screw driving apparatus and a control method thereof according to the present invention;
FIG. 6 is a perspective view of a push cylinder structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 7 is a perspective view of a transmission sleeve structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 8 is a perspective view of a worm gear structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 9 is a perspective view of a side tube mounting structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 10 is a perspective view of a counter magnet structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention;
FIG. 11 is a perspective view of a capillary hole configuration of an automatic lubrication lead screw drive and a control method thereof according to the present invention;
fig. 12 is a perspective view of an annular cavity structure of an automatic lubrication lead screw transmission device and a control method thereof according to the present invention.
In the figure: 1. lifting a screw rod; 2. a drive sleeve; 21. a movable opening; 22. mounting a side cylinder; 23. a counter magnet; 3. a transmission case body; 31. a drive worm; 32. a buffer oil tank; 33. an oil inlet pipe; 34. a flow meter; 35. a scale wire groove; 36. installing a shell; 37. a push cylinder; 38. a sliding piston; 39. a buffer spring; 4. a meshing worm; 5. a drive worm gear; 51. an annular cavity; 52. meshing the racks; 53. an oil filling port; 531. a sealing plate; 54. an infrared level gauge; 55. a capillary hole; 6. a meshing gear; 7. a permanent magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-12, an automatic lubricating screw transmission device and a control method thereof include a lifting screw 1, a transmission sleeve 2 is sleeved on an outer surface of the lifting screw 1 through a thread, a transmission worm wheel 5 is arranged inside the transmission sleeve 2, and one side of the transmission sleeve 2 is fixedly communicated with a transmission box body 3;
a lubricating device is arranged in the transmission box body 3 and comprises a meshing worm 4, and lubricating oil is uniformly coated on the structure in the transmission box body 3 by the meshing worm 4 in the process of meshing rotation, so that the lubrication of a transmission mechanism in the transmission box body 3 is realized, and the jamming is prevented;
in order to enable the transmission worm wheel 5 to realize transmission in the transmission sleeve 2, a transmission worm 31 is rotatably connected in the transmission box body 3 through a bearing, and the outer surface of the transmission worm 31 is meshed with the outer surface of the transmission worm wheel 5;
in order to lubricate the surface of the transmission worm 31, the outer surface of the meshing worm 4 is meshed with the outer surface of the transmission worm 31, meanwhile, in order to enable the meshing worm 4 to transfer lubricating grease, a buffer oil tank 32 is fixedly arranged in the transmission box body 3, and the inner side wall of the buffer oil tank 32 is rotatably sleeved with the outer surfaces of two ends of the meshing worm 4 through a bearing;
in order to fill lubricating grease in the buffer tank body, one end of the buffer oil tank 32 is fixedly communicated with an oil inlet pipe 33, in order to detect the internal oil storage amount of the oil inlet pipe 33, one side of the oil inlet pipe 33 is fixedly connected with a flowmeter 34, and in order to visually observe the oil amount in the oil inlet pipe 33 at any time, the outer surface of the oil inlet pipe 33 is provided with a scale line groove 35;
in order to enable the lubricating grease in the oil inlet pipe 33 to reach the inside of the buffer oil tank 32 at a constant speed, a mounting shell 36 is fixedly connected to the surface of one side of the oil inlet pipe 33, a pushing cylinder 37 is fixedly mounted inside the mounting shell 36, in order to enable the pushing cylinder 37 to push the lubricating grease in the oil inlet pipe 33 to reach the buffer oil tank 32, a sliding piston 38 is fixedly connected to the surface of a piston rod of the pushing cylinder 37, the outer surface of the sliding piston 38 is slidably sleeved with the inside of the oil inlet pipe 33, in order to enable the pushing process of the pushing cylinder 37 to be at a constant speed, a buffer spring 39 is fixedly sleeved on the outer surface of the piston rod of the pushing cylinder 37, and the free end of the buffer spring 39 is fixedly connected with the inner wall of one side of the oil inlet pipe 33.
The inner wall of the transmission worm gear 5 is in threaded sleeve joint with the outer surface of the lifting screw rod 1, a rotating device is arranged inside the transmission worm gear 5 and comprises an engaging gear 6, and the engaging gear 6 stirs lubricating oil inside the transmission worm gear 5 in the process of uniform rotation so as to lubricate the outer surface of the transmission worm gear 5;
in order to install a rotating device in the transmission worm wheel 5, an annular cavity 51 is formed in the transmission worm wheel 5, in order to enable the meshing gear 6 to rotate in the annular cavity 51, a meshing rack 52 is fixedly connected to the inner side wall of the annular cavity 51, the outer surface of the meshing rack 52 is meshed with the outer surface of the meshing gear 6, therefore, along with the rotation of the transmission worm wheel 5, the meshing rack 52 in the annular cavity rotates, the meshing gear 6 rotates in the annular cavity 51 at a constant speed, lubricating grease in the annular cavity is stirred, and in order to achieve the effect that the internally stirred lubricating grease is transferred to the outer surface of the transmission worm wheel 5, capillary holes 55 are formed in the inner wall of the annular cavity 51 in an annular array in a penetrating mode;
in order to supplement lubricating grease to the annular cavity 51, an oil filling port 53 is formed in the upper surface of the transmission worm wheel 5, a sealing plate 531 is fixedly connected to the surface of the oil filling port 53 through a bolt, in order to supplement lubricating grease to the interior of the annular cavity 51 through the oil filling port 53, a movable port 21 is formed in the surface of the transmission sleeve 2 in a penetrating mode, in order to enable the oil filling port 53 to be aligned with the movable port 21 to facilitate oil filling, an infrared level meter 54 is fixedly connected to the upper surface of the transmission worm wheel 5, in order to toggle the transmission worm 31 through opening of the movable port 21 to enable the transmission worm wheel 5 to rotate until infrared light of the infrared level meter 54 is emitted from the movable port 21, the oil filling port 53 is aligned with the movable port 21, and lubricating grease can be supplemented to the annular cavity 51.
The perpetual motion device is arranged on the outer surface of the transmission worm wheel 5 and comprises perpetual magnets 7, and the perpetual magnets 7 are arranged on two sides of the transmission worm wheel 5, so that the rotation direction of the transmission worm wheel 5 is controlled, and the transmission worm wheel 5 is assisted to rotate;
in order to install the permanent magnet 7, the surfaces of the two sides of the transmission sleeve 2 are fixedly communicated with installation side cylinders 22, so that the permanent magnet 7 is fixedly installed in the installation side cylinders 22, and in order to realize the permanent motion of the transmission worm wheel 5, the upper surface of the transmission worm wheel 5 is fixedly connected with counter magnets 23 in an annular array mode, so that the counter magnets 23 and the permanent magnets 7 are magnetically attracted.
The working principle is as follows: in the specific embodiment of the invention, when the driving mechanism drives the driving worm 31 in the transmission case 3 to rotate, in order to prevent the phenomenon of locking of the driving worm 31 caused by long-time movement, the pushing cylinder 37 in the mounting shell 36 works to push the sliding piston 38 to advance slowly in the oil inlet pipe 33, and the control element sets the working time of the pushing cylinder 37, so that lubricating grease can be continuously provided for the buffer oil tank 32, and the buffer spring 39 can buffer the movement of the pushing cylinder 37;
when the transmission worm 31 rotates, the meshing worm 4 is driven to rotate, so that the meshing worm 4 extracts lubricating grease in the buffer oil tank 32 and coats the lubricating grease on the outer surface of the transmission worm 31 in the process of meshing transmission, the lubrication of the transmission worm 31 is realized, the flow inside the oil inlet pipe 33 can be detected through the flow meter 34, if the flow is lower than a limit value, an alarm of the flow meter 34 gives an alarm, meanwhile, the oil inlet pipe 33 is in a transparent arrangement, the flow of the lubricating grease in the oil inlet pipe 33 can be regularly and visually observed from the scale line groove 35, and the oil inlet pipe 33 is prevented from being lack of the lubricating grease for a long time;
because the transmission worm 31 is meshed with the transmission worm wheel 5, lubricating grease is further transmitted to the surface of the transmission worm wheel 5 to lubricate the rotating transmission worm wheel 5, and meanwhile, the lubricating grease transmitted by the transmission worm 31 can permeate into the annular cavity 51 through the adsorption of the capillary hole 55, and further permeate out from the capillary hole 55 at the other side to be supplied to the transmission worm wheel 5 for use;
with the rotation of the transmission worm wheel 5, the meshing rack 52 inside the transmission worm wheel 5 rotates, so that the meshing gear 6 rotates at a constant speed inside the annular cavity 51, lubricating grease inside the transmission worm wheel is stirred, the lubricating grease seeps out of the transmission worm wheel 5 through the capillary hole 55, the outer surface of the transmission worm wheel 5 can be lubricated, when the annular cavity 51 is replenished with the lubricating grease, the transmission worm 31 is shifted by opening the movable port 21, the transmission worm wheel 5 rotates, until infrared light of the infrared level meter 54 is ejected from the movable port 21, the oil filling port 53 is aligned with the movable port 21, and the lubricating grease replenishing to the annular cavity 51 can be realized;
in order to avoid when transmission worm wheel 5 rotates, the deviation appears in the angle, appear the card phenomenon dead with between the lifting screw 1, drive antipodal magnet 23 through transmission worm wheel 5 at the pivoted in-process and rotate to under the effect of perpetual motion magnet 7, make transmission worm wheel 5 keep carrying out the axial rotation around lifting screw 1's axis, and perpetual motion magnet 7 and antipodal magnet 23 provide auxiliary power for transmission worm wheel 5's rotation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides an automatic lubricated lead screw transmission, includes lifting screw (1), its characterized in that: a transmission sleeve (2) is sleeved on the outer surface of the lifting screw (1) in a threaded manner, and one side of the transmission sleeve (2) is fixedly communicated with a transmission box body (3);
a lubricating device is arranged in the transmission box body (3), the lubricating device comprises a meshing worm (4), and lubricating oil is uniformly coated on the structure in the transmission box body (3) by the meshing worm (4) in the process of meshing rotation, so that the lubrication of a transmission mechanism in the transmission box body (3) is realized, and the jamming is prevented;
a transmission worm wheel (5) is arranged inside the transmission sleeve (2), the inner wall of the transmission worm wheel (5) is in threaded sleeve joint with the outer surface of the lifting screw rod (1), a rotating device is arranged inside the transmission worm wheel (5), the rotating device comprises an engaging gear (6), and the engaging gear (6) is used for stirring lubricating oil inside the transmission worm wheel (5) in the process of uniform rotation so as to lubricate the outer surface of the transmission worm wheel (5);
the outer surface of the transmission worm wheel (5) is provided with a perpetual motion device, the perpetual motion device comprises perpetual magnets (7), and the perpetual magnets (7) are arranged on two sides of the transmission worm wheel (5), so that the rotation direction of the transmission worm wheel (5) is controlled, and the transmission worm wheel (5) is assisted to rotate.
2. The self-lubricating lead screw drive of claim 1, wherein: the inside of transmission box (3) is connected with drive worm (31) through the bearing rotation, the surface of drive worm (31) with the surface meshing of transmission worm wheel (5), the inside fixed mounting of transmission box (3) has buffer tank (32).
3. The self-lubricating lead screw drive of claim 2, wherein: the inside wall of buffer tank (32) through the bearing with the both ends surface of meshing worm (4) rotates and cup joints, the surface of meshing worm (4) with the surface meshing of transmission worm (31).
4. A self-lubricating lead screw drive as set forth in claim 3, wherein: the buffer oil tank is characterized in that one end of the buffer oil tank (32) is fixedly communicated with an oil inlet pipe (33), one side of the oil inlet pipe (33) is fixedly connected with a flowmeter (34), and the outer surface of the oil inlet pipe (33) is provided with a scale line groove (35).
5. The self-lubricating lead screw drive of claim 4, wherein: advance one side fixed surface of oil pipe (33) and be connected with installation casing (36), the inside fixed mounting of installation casing (36) has push cylinder (37), the piston rod fixed surface of push cylinder (37) is connected with sliding piston (38), sliding piston (38) the surface with advance the inside slip of oil pipe (33) and cup joint, push cylinder (37) the piston rod external surface fixed of having cup jointed buffer spring (39), buffer spring (39) the free end with advance one side inner wall fixed connection of oil pipe (33).
6. The self-lubricating lead screw drive of claim 1, wherein: annular cavity (51) have been seted up to the inside of transmission worm wheel (5), inside wall fixedly connected with meshing rack (52) of annular cavity (51), oiling mouth (53) have been seted up to the upper surface of transmission worm wheel (5), bolt fixedly connected with closing plate (531) is passed through on the surface of oiling mouth (53).
7. The self-lubricating lead screw drive of claim 6, wherein: the outer surface of meshing rack (52) with the surface meshing of meshing gear (6), the outer surface of meshing gear (6) with the inner wall sliding connection of annular cavity (51), the last fixed surface of transmission worm wheel (5) is connected with infrared ray spirit level (54), the inner wall of annular cavity (51) is the annular array and runs through and has seted up capillary hole (55), the surface of transmission sleeve (2) runs through and has seted up activity mouth (21).
8. The self-lubricating lead screw drive of claim 1, wherein: the surface of the two sides of the transmission sleeve (2) is fixedly communicated with an installation side cylinder (22), and the permanent magnet (7) is fixedly installed inside the installation side cylinder (22).
9. The self-lubricating lead screw drive of claim 8, wherein: the upper surface of the transmission worm wheel (5) is in an annular array and is fixedly connected with a counter magnet (23), and the counter magnet (23) and the perpetual motion magnet (7) are magnetically attracted.
10. The control method of the self-lubricating lead screw transmission device according to any one of claims 1 to 9, comprising:
s1, when the driving mechanism drives the transmission worm (31) in the transmission box body (3) to rotate, in order to prevent the transmission worm (31) from being stuck after long-time movement, the pushing cylinder (37) in the mounting shell (36) works to push the sliding piston (38) to slowly advance in the oil inlet pipe (33), and the working time of the pushing cylinder (37) is set through the control element, so that lubricating grease can be continuously provided for the buffer oil tank (32), and the buffer spring (39) can buffer the movement of the pushing cylinder (37);
s2, when transmission worm (31) rotated, drive meshing worm (4) and rotate, and then make meshing worm (4) extract the inside lubricating grease of buffer tank (32), and scribble the surface at transmission worm (31) at meshing driven in-process, realize the lubrication of transmission worm (31), advance the inside flow of oil pipe (33) through flowmeter (34) detectable, if be less than the limit value, then the alarm of flowmeter (34) is reported to the police, it is transparent setting to advance oil pipe (33) simultaneously, can regularly observe the inside lubricating grease flow of oil pipe (33) from scale wire casing (35) directly perceived, thereby avoid advancing oil pipe (33) and lack the lubricating grease for a long time:
s3, lubricating grease is transferred to the surface of the transmission worm wheel (5) due to the fact that the transmission worm (31) is meshed with the transmission worm wheel (5), the transmission worm wheel (5) rotates to be lubricated, meanwhile, the lubricating grease transferred by the transmission worm (31) can permeate into the annular cavity (51) through the adsorption of the capillary holes (55), and further permeate out of the capillary holes (55) on the other side to be supplied to the transmission worm wheel (5) for use;
s4, along with the rotation of the transmission worm wheel (5), the meshing rack (52) inside the transmission worm wheel rotates, so that the meshing gear (6) rotates in the annular cavity (51) at a constant speed, lubricating grease inside the transmission worm wheel is stirred, the lubricating grease seeps out of the transmission worm wheel through the capillary hole (55), the outer surface of the transmission worm wheel (5) can be lubricated, when the annular cavity (51) is replenished with the lubricating grease, the transmission worm (31) is stirred by opening the movable port (21), the transmission worm wheel (5) rotates until infrared light of the infrared level meter (54) is emitted from the movable port (21), the oil filling port (53) is aligned with the movable port (21), and lubricating grease can be replenished to the annular cavity (51);
s5, in order to avoid the rotation of the transmission worm wheel (5), the angle is deviated, and the phenomenon of locking between the lifting screw rod (1) occurs, the transmission worm wheel (5) drives the antipodal magnet (23) to rotate in the rotating process, so that under the action of the perpetual motion magnet (7), the transmission worm wheel (5) is kept to rotate axially around the axis of the lifting screw rod (1), and the perpetual motion magnet (7) and the antipodal magnet (23) provide auxiliary power for the rotation of the transmission worm wheel (5).
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| CN202210186993.0A CN114483932B (en) | 2022-02-28 | 2022-02-28 | Automatic lubrication screw transmission device and control method thereof |
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| CN202210186993.0A CN114483932B (en) | 2022-02-28 | 2022-02-28 | Automatic lubrication screw transmission device and control method thereof |
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