Speed reducer with stable heat dissipation and anti-collision functions
Technical Field
The invention relates to a speed reducer, in particular to a speed reducer which is stable in heat dissipation and capable of preventing collision.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The motor has the functions of matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, and is widely applied to modern machinery; traditional speed reducer is difficult for the heat dissipation, and the radiating efficiency is lower, and the speed reducer is after working a period, because the heat accumulates, if the speed reducer is under the high temperature state for a long time, can influence the stability of speed reducer internals performance, can reduce the work efficiency of speed reducer, can't guarantee the life of speed reducer main part.
Disclosure of Invention
The invention aims to provide a speed reducer with stable heat dissipation and anti-collision performance, and solves the technical problems that a traditional speed reducer is difficult to dissipate heat, has poor anti-collision performance and cannot ensure the service life of a speed reducer main body.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a stabilize speed reducer of heat dissipation and anticollision, includes protective frame, the speed reducer main part is installed to protective frame's inboard bottom, protective frame's equal fixed mounting all around has the guard plate, protective frame's inboard has the crane along vertical direction movable mounting, the inboard movable mounting of crane has two mounting brackets, two all install three movable plate on the mounting bracket, there is the lift seat along vertical direction movable mounting on the movable plate, one side fixed mounting of lift seat has the installation sleeve, telescopic bottom of installation is connected with the vertical pole, the bottom fixed mounting of vertical pole has the compression leg, the bottom of compression leg and the top in close contact with of speed reducer main part, the bottom fixed mounting of movable plate has the linking arm, the bottom fixed mounting of linking arm has buffer unit.
Further, protective frame's top fixed mounting has two motors one, protective frame is last to rotate and to install two lead screws one, two lead screw one is vertical setting, lead screw one and crane threaded connection, two the output shaft end of motor one respectively with the top fixed connection of two lead screws one, protective frame is last fixed mounting has four guide bars one, four turning position departments of crane are equal fixed mounting has the uide bushing, guide bar one and the uide bushing sliding connection who corresponds.
Further, two the inboard of crane transversely is provided with two lead screw two, the screw thread at two ends of lead screw is the symmetric distribution about two middle parts of lead screw, lead screw two and two mounting bracket threaded connection, fixed mounting has two motors two on the crane, and the output shaft of two motors two is connected with two lead screw two respectively.
Further, two all rotate on the mounting bracket and install lead screw three, the screw thread at three both ends of lead screw is the symmetric distribution about three middle parts of lead screw, two equal fixed mounting motor three on the mounting bracket, the output shaft end of motor three and the one end fixed connection of lead screw three, the movable plate of mounting bracket intermediate position department rotates with the middle part of lead screw three to be connected, on the mounting bracket two movable plates in the outside respectively with three threaded connection of lead screw, horizontal fixed mounting has two guide bars two, three on the mounting bracket the movable plate all with two guide bar two sliding connection.
Furthermore, a fourth lead screw is rotatably mounted on the movable plate, a fourth motor is fixedly mounted on the movable plate, the output shaft end of the fourth motor is fixedly connected with one end of the fourth lead screw, the fourth lead screw is in threaded connection with the lifting seat, two third guide rods are vertically fixed on the movable plate, and the lifting seat is in sliding connection with the two third guide rods.
Further, two the equal fixed mounting in bottom of mounting bracket has a plurality of dead lever one, two corresponding dead lever one in mounting bracket bottom is the symmetric distribution, and the equal fixed mounting in bottom of a plurality of dead lever has the limiting plate.
Further, the buffer component comprises a flat plate, the flat plate is fixedly arranged at the bottom end of the connecting arm, a vertical plate is fixedly arranged at the bottom surface of the flat plate, two fixing rods II are fixedly arranged at the bottom surface of the flat plate, a fixing barrel is fixedly arranged at one side of the vertical plate, a rotating rod is rotatably arranged at the inner side of the fixing barrel, one end of the rotating rod extends to the other side of the vertical plate, one end of the rotating rod is fixedly connected with one end of a hinge rod III, a hinge rod IV is hinged at the bottom of one fixing rod II in the middle of the bottom surface of the flat plate, a hinge rod I is hinged at the bottom of the other fixing rod II, two hinge rods II are arranged at one side of the hinge rod IV, one ends of the two hinge rods II are hinged at the middle of the hinge rod IV, one end of the hinge rod II is hinged with the middle of the hinge rod I, and the other end of the hinge rod II is hinged with the other end of the hinge rod III, the one end of articulated arm four articulates there is the extrusion pole, the one end of articulated arm one articulates there is the sliding sleeve, sliding sleeve and extrusion pole sliding connection, the one end fixed mounting that the articulated arm four was kept away from to the extrusion pole has the extrusion piece, one side fixed mounting of extrusion piece drives actuating cylinder, the mounting groove has been seted up to one side of extrusion piece, installs the ejector pad in the mounting groove, drive actuating cylinder's output lever tip and ejector pad fixed connection, the side in close contact with of extrusion piece and speed reducer main part, three slot has all been seted up to the both sides of speed reducer main part, the ejector pad cooperatees with the slot that corresponds.
Further, the inside slidable mounting of installation sleeve has the slip post, the bottom of slip post and the top fixed connection of vertical pole, the top of slip post and the bottom fixed connection of spring one, the top of spring one and the upper side inner wall fixed connection of installation sleeve.
Further, the torsional spring is installed to the inboard of a solid fixed cylinder, the torsional spring cover is established and is located the inboard one end of a solid fixed cylinder at the dwang, fixed mounting has the baffle on the dwang, one side of baffle and the one end butt of torsional spring, the other end and a solid fixed cylinder fixed connection of torsional spring.
The working method of the speed reducer specifically comprises the following steps:
the first step, starting the two third motors, driving the two third screws to rotate, driving the two movable plates on the outermost side of the mounting frame to move in opposite directions or move in opposite directions by the third screws, driving the two compression columns on the outermost side to move in opposite directions or move in opposite directions, and adjusting the distance between the two compression columns on the outermost side of the mounting frame according to the length of the speed reducer main body;
step two, starting two motors II, driving the two screw rods II to rotate, driving the two mounting frames to move in opposite directions, driving the compression posts on the two mounting frames to move in opposite directions, adjusting the distance between the two compression posts on the two mounting frames according to the width of the speed reducer main body, driving the corresponding buffer assemblies below to move while the two mounting frames move, adjusting the distance between the two groups of buffer assemblies corresponding to the two mounting frames according to the width of the speed reducer main body, enabling the extrusion blocks of the buffer assemblies to be in close contact with the side faces of the speed reducer main body, and driving the push blocks to be inserted into corresponding slots by driving cylinders; placing a speed reducer main body on the inner wall of the lower side of the protective frame, starting a first motor, driving a first screw rod to rotate by the motor and driving a lifting frame to descend, driving two mounting frames to descend by the lifting frame, starting a fourth motor, driving a fourth screw rod to rotate by the motor and driving a lifting seat to descend, driving a mounting sleeve to descend by the lifting seat and driving a compression leg to descend, so that the bottom of the compression leg is in close contact with the top of the speed reducer main body;
step three, when the speed reducer is impacted, the speed reducer main body vibrates, when the speed reducer main body moves upwards, the speed reducer main body pushes the compression leg to move upwards, the sliding column is pushed to extrude the first spring through the longitudinal rod, the first spring provides buffering for the speed reducer main body, the extrusion block is extruded when the speed reducer main body vibrates, the extrusion block drives the extrusion rod to move, the extrusion rod drives the third hinge rod to rotate through the fourth hinge rod, the third hinge rod drives the rotating rod to rotate, the rotating rod drives the baffle to rotate, the baffle extrudes one end of the torsional spring, the torsional spring prevents the baffle from rotating, and buffering is provided for the speed reducer main body.
The invention has the beneficial effects that:
according to the invention, the speed reducer main body is arranged on the inner side of the protective frame, and the protective plates are arranged on the periphery of the protective frame, so that the anti-collision performance of the speed reducer is ensured, and the good ventilation in the speed reducer can be kept, thereby ensuring that the speed reducer can stably dissipate heat;
the invention drives the two lead screws to rotate through the two motors III, the lead screws III drive the two movable plates on the outermost side of the mounting rack to move in opposite directions or in reverse directions and drive the two compression columns on the outermost side to move in opposite directions or in reverse directions, the distance between the two pressure columns on the outermost side of the mounting frame is adjusted according to the length of the speed reducer main body, the two second screw rods are driven to rotate by the two second motors, and drives the two mounting frames to move in opposite directions and drives the compression columns on the two mounting frames to move in opposite directions, the distance between two corresponding compression posts on the two mounting frames is adjusted according to the width of the speed reducer main body, the two mounting frames drive the corresponding buffer components below to move at the same time, adjusting the distance between two groups of buffer assemblies corresponding to the two mounting frames according to the width of the speed reducer main body, enabling extrusion blocks of the buffer assemblies to be in close contact with the side face of the speed reducer main body, and driving cylinders to drive the push blocks to be inserted into corresponding slots; the speed reducer main body is placed on the inner wall of the lower side of the protective frame, the first motor is started, the first motor drives the first screw rod to rotate and drives the lifting frame to descend, the lifting frame drives the two mounting frames to descend, the fourth motor is started, the fourth motor drives the fourth screw rod to rotate and drives the lifting seat to descend, the lifting seat drives the mounting sleeve to descend and drives the compression column to descend, and the bottom of the compression column is in close contact with the top of the speed reducer main body;
when the speed reducer is impacted, the speed reducer main body vibrates, when the speed reducer main body moves upwards, the speed reducer main body pushes the compression column to move upwards, the longitudinal rod pushes the sliding column to extrude the first spring, the first spring provides buffering for the speed reducer main body, the extrusion block is extruded while the speed reducer main body vibrates, the extrusion block drives the extrusion rod to move, the extrusion rod drives the third hinge rod to rotate through the fourth hinge rod, the third hinge rod drives the rotating rod to rotate, the rotating rod drives the baffle to rotate, the baffle extrudes one end of the torsional spring, the torsional spring prevents the baffle from rotating and provides buffering for the speed reducer main body, the anti-collision performance of the speed reducer is excellent, the speed reducer main body can be effectively prevented from being damaged, and the service life of the speed reducer main body is guaranteed.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a three-dimensional structure diagram of a speed reducer with stable heat dissipation and anti-collision performance;
FIG. 2 is a front view of a stable heat dissipation and crash prevention speed reducer according to the present invention;
FIG. 3 is an internal structure view of the speed reducer with stable heat dissipation and anti-collision performance according to the present invention;
FIG. 4 is a partial structural view of a speed reducer with stable heat dissipation and anti-collision performance according to the present invention;
FIG. 5 is a perspective view of the cushioning assembly of the present invention;
FIG. 6 is a perspective view of another embodiment of the cushioning assembly of the present invention;
FIG. 7 is an assembled cross-sectional view of the mounting sleeve, side rail and compression leg of the present invention;
fig. 8 is a cross-sectional view of the fixing cylinder and its internal structure of the present invention.
In the figure: 1. a protective frame; 2. a reducer body; 3. a protection plate; 4. a lifting frame; 5. a first motor; 6. a first lead screw; 7. a second motor; 8. a mounting frame; 9. a second screw rod; 10. a third screw rod; 11. a third motor; 12. moving the plate; 13. a fourth screw rod; 14. a lifting seat; 15. a fourth motor; 16. installing a sleeve; 17. pressing the column; 18. a buffer assembly; 19. fixing a rod I; 20. a limiting plate; 21. a flat plate; 22. a vertical plate; 23. a second fixing rod; 24. a first hinge rod; 25. an extrusion stem; 26. a second hinge rod; 27. a third hinge rod; 28. extruding the block; 29. a driving cylinder; 30. a push block; 31. a fixed cylinder; 32. a sliding sleeve; 33. a longitudinal bar; 34. a sliding post; 35. a first spring; 36. a connecting arm; 37. a fourth hinge rod; 38. rotating the rod; 39. a baffle plate; 40. a torsion spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, a speed reducer with stable heat dissipation and anti-collision comprises a protective frame 1, a speed reducer main body 2 is installed at the bottom of the inner side of the protective frame 1, a protection plate 3 is fixedly installed around the protective frame 1, a lifting frame 4 is movably installed at the inner side of the protective frame 1 along the vertical direction, two installation frames 8 are movably installed at the inner side of the lifting frame 4, three moving plates 12 are installed on the two installation frames 8, a lifting seat 14 is movably installed on the moving plates 12 along the vertical direction, an installation sleeve 16 is fixedly installed at one side of the lifting seat 14, a longitudinal rod 33 is telescopically connected with the bottom end of the installation sleeve 16, a compression column 17 is fixedly installed at the bottom end of the longitudinal rod 33, the bottom of the compression column 17 is in close contact with the top of the speed reducer main body 2, and a connecting arm 36 is fixedly installed at the bottom of the moving plates 12, the bottom end of the connecting arm 36 is fixedly mounted with the damping assembly 18.
The top fixed mounting of protective frame 1 has two motors 5, it installs two lead screw 6, two to rotate on the protective frame 1 lead screw 6 is vertical setting, lead screw 6 and 4 threaded connection of crane, two the output shaft end of motor 5 respectively with the top fixed connection of two lead screw 6, protective frame 1 is last fixed mounting has four guide bars one, four equal fixed mounting in turning position department of crane 4 has the uide bushing, guide bar one and the uide bushing sliding connection who corresponds.
Two the inboard of crane 4 transversely is provided with two lead screw two 9, the screw thread at two 9 both ends of lead screw is the symmetric distribution about two 9 middle parts of lead screw, two 9 and two 8 threaded connection of mounting bracket of lead screw, fixed mounting has two motors two 7 on the crane 4, and the output shaft of two motors two 7 is connected with two lead screw two 9 respectively.
Two all rotate on the mounting bracket 8 and install three 10 of lead screw, the screw thread at three 10 both ends of lead screw is the symmetric distribution about three 10 middle parts of lead screw, two equal fixed mounting motor three 11 on the mounting bracket 8, the output shaft end of motor three 11 and the one end fixed connection of three 10 of lead screw, movable plate 12 and the middle part of three 10 of lead screw of mounting bracket 8 intermediate position department rotate to be connected, two movable plates 12 in the outside on the mounting bracket 8 respectively with three 10 threaded connection of lead screw, horizontal fixed mounting has two guide bars two on the mounting bracket 8, three movable plate 12 all with two sliding connection of guide bar.
The movable plate 12 is rotatably provided with a fourth lead screw 13, the movable plate 12 is fixedly provided with a fourth motor 15, the output shaft end of the fourth motor 15 is fixedly connected with one end of the fourth lead screw 13, the fourth lead screw 13 is in threaded connection with a lifting seat 14, the movable plate 12 is vertically fixed with a third guide rod, and the lifting seat 14 is in sliding connection with the third guide rod.
Two the equal fixed mounting in bottom of mounting bracket 8 has a plurality of dead lever 19, two corresponding dead lever 19 in mounting bracket 8 bottom is the symmetric distribution, and the equal fixed mounting in bottom of a plurality of dead lever 19 has limiting plate 20.
The buffer component 18 comprises a flat plate 21, the flat plate 21 is fixedly installed at the bottom end of the connecting arm 36, a vertical plate 22 is fixedly installed on the bottom surface of the flat plate 21, two fixing rods two 23 are fixedly installed on the bottom surface of the flat plate 21, a fixing barrel 31 is fixedly installed on one side of the vertical plate 22, a rotating rod 38 is installed on the inner side of the fixing barrel 31 in a rotating mode, one end of the rotating rod 38 extends to the other side of the vertical plate 22, one end of the rotating rod 38 is fixedly connected with one end of a hinge rod three 27, a hinge rod four 37 is hinged to the bottom of one fixing rod two 23 in the middle of the bottom surface of the flat plate 21, a hinge rod one 24 is hinged to the bottom of the fixing rod two 23, two hinge rods 26 are arranged on one side of the hinge rod four 37, one end of the hinge rod two 26 is hinged to the middle of the hinge rod four 37, and one end of the hinge rod two 26 is hinged to the middle of the hinge rod one 24, another the other end of two 26 articulated rods is articulated with the other end of three 27 articulated rods, the one end of four 37 articulated rods is articulated with the stripper bar 25, the one end of one 24 articulated rods is articulated with the sliding sleeve 32, sliding sleeve 32 and stripper bar 25 sliding connection, the one end fixed mounting that four 37 articulated rods were kept away from to stripper bar 25 has stripper block 28, one side fixed mounting of stripper block 28 has drive actuating cylinder 29, the mounting groove has been seted up to one side of stripper block 28, installs ejector pad 30 in the mounting groove, drive actuating cylinder 29's output rod tip and ejector pad 30 fixed connection, the side in close contact with of stripper block 28 and speed reducer main part 2, three slot has all been seted up to the both sides of speed reducer main part 2, the ejector pad 30 cooperatees with the slot that corresponds.
The inboard slidable mounting of installation sleeve 16 has slip post 34, the bottom of slip post 34 and the top fixed connection of vertical pole 33, the top of slip post 34 and the bottom fixed connection of spring 35, the top of spring 35 and the upside inner wall fixed connection of installation sleeve 16.
Torsional spring 40 is installed to the inboard of a fixed section of thick bamboo 31, torsional spring 40 cover is established and is located the inboard one end of a fixed section of thick bamboo 31 at dwang 38, fixed mounting has baffle 39 on the dwang 38, one side of baffle 39 and torsional spring 40's one end butt, torsional spring 40's the other end and a fixed section of thick bamboo 31 fixed connection.
The working method of the speed reducer specifically comprises the following steps:
the method comprises the following steps that firstly, two motors III 11 are started, the two motors III 11 drive two screw rods III 10 to rotate, the screw rods III 10 drive two movable plates 12 on the outermost side of an installation rack 8 to move oppositely or reversely, and drive two pressure columns 17 on the outermost side to move oppositely or reversely, and the distance between the two pressure columns 17 on the outermost side of the installation rack 8 is adjusted according to the length of a speed reducer main body 2;
step two, starting the two motors 7, driving the two screws 9 to rotate by the two motors 7, driving the two mounting frames 8 to move in opposite directions, driving the compression posts 17 on the two mounting frames 8 to move in opposite directions, adjusting the distance between the two compression posts 17 on the two mounting frames 8 according to the width of the speed reducer main body 2, driving the corresponding buffer assemblies 18 below to move while the two mounting frames 8 move, adjusting the distance between the two groups of buffer assemblies 18 corresponding to the two mounting frames 8 according to the width of the speed reducer main body 2, enabling the extrusion blocks 28 of the buffer assemblies 18 to be in close contact with the side faces of the speed reducer main body 2, and driving the air cylinders 29 to drive the push blocks 30 to be inserted into the corresponding slots; the speed reducer main body 2 is placed on the inner wall of the lower side of the protective frame 1, a first motor 5 is started, the first motor 5 drives a first screw rod 6 to rotate and drives a lifting frame 4 to descend, the lifting frame 4 drives two mounting frames 8 to descend, a fourth motor 15 is started, the fourth motor 15 drives a fourth screw rod 13 to rotate and drives a lifting seat 14 to descend, the lifting seat 14 drives a mounting sleeve 16 to descend and drives a compression leg 17 to descend, and the bottom of the compression leg 17 is in close contact with the top of the speed reducer main body 2;
step three, when the speed reducer is impacted, the speed reducer main body 2 vibrates, when the speed reducer main body 2 moves upwards, the speed reducer main body 2 pushes the compression columns 17 to move upwards, the sliding columns 34 are pushed through the longitudinal rods 33 to extrude the first springs 35, the first springs 35 provide buffering for the speed reducer main body 2, the extrusion blocks 28 are extruded while the speed reducer main body 2 vibrates, the extrusion blocks 28 drive the extrusion rods 25 to move, the extrusion rods 25 drive the third hinge rods 27 to rotate through the fourth hinge rods 37, the third hinge rods 27 drive the rotating rods 38 to rotate, the rotating rods 38 drive the baffle plates 39 to rotate, the baffle plates 39 extrude one ends of the torsion springs 40, and the torsion springs 40 prevent the baffle plates 39 from rotating and provide buffering for the speed reducer main body 2.
According to the invention, the speed reducer main body 2 is arranged on the inner side of the protective frame 1, and the protective plates 3 are arranged on the periphery of the protective frame 1, so that the anti-collision performance of the speed reducer is ensured, and the good ventilation in the speed reducer can be kept, thereby ensuring that the speed reducer can stably dissipate heat;
the invention drives two lead screws (three 10) to rotate through two motors (three 11), the lead screws (three 10) drive two moving plates (12) on the outermost sides of mounting frames (8) to move oppositely or reversely, and drive two compression columns (17) on the outermost sides to move oppositely or reversely, the distance between the two compression columns (17) on the outermost sides of the mounting frames (8) is adjusted according to the length of a speed reducer main body (2), two lead screws (two 9) are driven to rotate through two motors (two 7), the two mounting frames (8) are driven to move oppositely, and the compression columns (17) on the two mounting frames (8) are driven to move oppositely, the distance between the two corresponding compression columns (17) on the two mounting frames (8) is adjusted according to the width of the speed reducer main body (2), the two mounting frames (8) drive corresponding buffer assemblies (18) to move simultaneously, the distance between the two groups of buffer assemblies (18) corresponding to the two mounting frames (8) is adjusted according to the width of the speed reducer main body (2), so that extrusion blocks (28) of the buffer assemblies (18) are in close contact with the side surfaces of the speed reducer main body (2), the driving cylinder 29 drives the push block 30 to be inserted into the corresponding slot; the speed reducer main body 2 is placed on the inner wall of the lower side of the protective frame 1, the motor I5 is started, the motor I5 drives the screw rod I6 to rotate and drives the lifting frame 4 to descend, the lifting frame 4 drives the two mounting frames 8 to descend, the motor II 15 is started, the motor II 15 drives the screw rod II 13 to rotate and drives the lifting seat 14 to descend, the lifting seat 14 drives the mounting sleeve 16 to descend and drives the compression column 17 to descend, and the bottom of the compression column 17 is in close contact with the top of the speed reducer main body 2;
when the speed reducer is impacted, the speed reducer main body 2 vibrates, when the speed reducer main body 2 moves upwards, the speed reducer main body 2 pushes the pressing column 17 to move upwards, the sliding column 34 is pushed by the longitudinal rod 33 to extrude the first spring 35, the first spring 35 provides buffering for the speed reducer main body 2, the extrusion block 28 is extruded while the speed reducer main body 2 vibrates, the extrusion block 28 drives the extrusion rod 25 to move, the extrusion rod 25 drives the third hinge rod 27 to rotate through the fourth hinge rod 37, the third hinge rod 27 drives the rotating rod 38 to rotate, the rotating rod 38 drives the baffle 39 to rotate, the baffle 39 extrudes one end of the torsion spring 40, the torsion spring 40 prevents the baffle 39 from rotating and provides buffering for the speed reducer main body 2, the collision resistance of the speed reducer is excellent, the damage of the speed reducer main body 2 can be effectively avoided, and the service life of the speed reducer main body 2 is guaranteed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.