CN212785015U - Variable speed motor with shock-absorbing structure and capable of conveniently and automatically adjusting torque - Google Patents

Abstract

The invention discloses a variable speed motor with a damping structure and capable of facilitating automatic torque adjustment, and relates to the technical field of variable speed motors, in particular to a base and an initial rotating shaft assembly, wherein a damping rubber pad is arranged on one side of the surface of the base, fixing bolts penetrate through the periphery of the bottom of a motor body, the initial rotating shaft assembly is connected to one end of the motor body, a connecting rotating shaft penetrates through one side of the inner wall of a torque adjusting box, a first torque gear is fixed on the outer wall of the connecting rotating shaft, the variable speed motor with the damping structure and capable of facilitating automatic torque adjustment is characterized in that a miniature electric telescopic rod is controlled to stretch so that the first gear and the first torque gear are mutually meshed or the second gear and the second torque gear are mutually meshed, and therefore, the effect of torque adjustment is achieved, only the miniature electric telescopic rod is controlled to stretch, convenience is brought to people to operate, and the mode does, The method is fine, is favorable for reducing the production and processing difficulty, and is convenient for manufacturers to produce.

Description

Variable speed motor with shock-absorbing structure and capable of conveniently and automatically adjusting torque

Technical Field

The invention relates to the technical field of variable speed motors, in particular to a variable speed motor with a damping structure and capable of facilitating automatic torque adjustment.

Background

The speed-variable motor is also called speed-regulating motor or double-speed motor, it is a motor capable of regulating self-rotating speed so as to make the motor obtain higher service performance, and because of its excellent performance, the speed-variable motor is extensively used in the industrial departments of steel, power station, cable, chemical industry, petroleum, cement, textile, printing and dyeing, paper-making and machinery, etc. as the load mechanical stepless speed regulation with constant torque or progressively-reduced torque, and is specially suitable for supporting pump and fan load with large flow change, and can obtain good energy-saving effect.

The torque adjusting mechanism and the motor of the existing variable speed motor are arranged inside one shell, so that the size of parts is miniaturized, the processing difficulty is increased, the precision requirement is high, the shell is not easy to detach, and the later maintenance and overhaul are not convenient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the variable-speed motor with the damping structure and capable of automatically adjusting the torque conveniently, and solves the problems that the torque adjusting mechanism and the motor of the variable-speed motor provided in the background art are arranged in a shell together, so that the size of parts is miniaturized, the processing difficulty is increased, the precision requirement is high, the shell is not easy to disassemble, and the later maintenance and overhaul are not convenient.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a variable speed motor with shock-absorbing structure can be convenient for automatic moment of adjusting, includes base and initial pivot subassembly, settle base surface one side has rubber damper pad, and the rubber damper pad surface is provided with motor body, the motor body bottom runs through all around has fixing bolt, initial pivot subassembly is connected in motor body one end, and the outside parcel of initial pivot subassembly has the torque adjustment case, the through connection pivot of torque adjustment incasement wall one side, and connect the terminal swing joint of pivot and have first bearing to support, it is fixed with first torque gear to connect the pivot outer wall, and is fixed with second torque gear on one side of the first torque gear.

Optionally, the lower surface of the motor body is attached to the upper surface of the damping rubber pad, the damping rubber pad is of a flexible structure, and the motor body forms a fixing structure with the base through a fixing bolt.

Optionally, the initial pivot subassembly includes that motor shaft, spacing connection are rectangular, first gear, second gear, bearing spare, fagging, miniature electric telescopic handle, connecting bolt and second bearing support, and the motor shaft surface is provided with spacing connection rectangular, spacing connection rectangular outer wall, the parcel of motor shaft outer wall have first gear, and first gear side is fixed with the second gear, first gear opposite side is connected with the bearing spare, and the bearing spare side is settled there is the fagging, the fagging side is connected with miniature electric telescopic handle, and all runs through around the miniature electric telescopic handle both ends has connecting bolt, the terminal swing joint of motor shaft has the second bearing to support.

Optionally, be welding integral structure between motor shaft and the spacing connection strip, and motor shaft, spacing connection strip run through inside first gear, second gear, bearing spare, fagging, and the inside internal surface of first gear, second gear laminates with motor shaft, the rectangular surface of spacing connection mutually moreover.

Optionally, the structural size of the first gear is consistent with that of the first torque gear, the first gear and the first torque gear are engaged with each other, and the first gear and the second gear form a telescopic structure with the micro electric telescopic rod through the bearing member and the supporting plate.

Optionally, the number of the micro electric telescopic rods is two, the micro electric telescopic rods are symmetrically distributed about the central axis of the motor rotating shaft, and the micro electric telescopic rods are fixedly connected with the supporting plates and the torque adjusting box through connecting bolts.

Optionally, the connection rotating shaft and the motor rotating shaft are distributed in a parallel manner, the connection rotating shaft is fixedly connected with the first torque gear and the second torque gear, the second torque gear and the second gear are meshed with each other, and the size of an outer opening of the second torque gear is larger than that of an outer opening of the second gear.

Optionally, a hinge is arranged on the surface of the torque adjusting box, a box door is connected to the outer wall of the hinge, and a handle is arranged on the surface of the box door.

Optionally, the box door and the torque adjusting box form a movable structure through a hinge, and the box door and the handle form an integrated structure.

The invention provides a variable speed motor with a damping structure and capable of facilitating automatic torque adjustment, which has the following beneficial effects:

1. this variable speed motor with shock-absorbing structure can be convenient for automatic moment of transferring stretches out and draws back through controlling miniature electric telescopic handle and makes first gear and the mutual interlock of first torque gear or the mutual interlock of second gear and second torque gear to reach the effect of adjusting the moment of torsion, and only need control miniature electric telescopic handle stretch out and draw back can, make things convenient for people to operate, and this mode need not to miniaturize, become more meticulous with spare part, is favorable to reducing the production and processing degree of difficulty, makes things convenient for producer's production.

2. This variable speed motor with shock-absorbing structure can be convenient for automatically, transfer square, motor body settles in the vibration-damping rubber pad surface, and vibration-damping rubber pad is produced sense of shock when flexible construction can absorb motor body function, and is fixed in motor body base surface through fixing bolt, prevents that motor body from appearing not hard up to be favorable to avoiding motor body to take place the vibration.

3. This variable speed motor with shock-absorbing structure can be convenient for automatically, transfer square grips the outside application of force of handle and can make the chamber door carry out the horizontal rotation through the hinge to expose torque adjustment incasement portion, the inside spare part of torque adjustment incasement exposes this moment, makes things convenient for later maintenance personnel to maintain, should be provided with and does benefit to the life who improves the device.

4. This variable speed motor with shock-absorbing structure can be convenient for automatically, transfers square, and later stage accessible is unscrewed fixing bolt and is drawn motor body outward and make motor shaft take out from torque adjustment incasement portion, opens the chamber door again to unscrew connecting bolt and can take off first gear, second gear, bearing part, fagging, miniature electric telescopic handle, make things convenient for the later maintenance, and this dismouting mode is simple understandable, and the staff's operation of being convenient for is hanged down in the top of the hand degree of difficulty.

5. This variable speed motor with shock-absorbing structure can be convenient for automatic moment of transferring, motor shaft runs through the torque adjustment case and inserts the second bearing and supports inside, and it also runs through the torque adjustment case and inserts first bearing and supports inside to connect the pivot, the second bearing supports and is connecting the pivot, motor shaft supports when, also can not disturb the connection pivot, motor shaft's normal rotation, be favorable to making first gear and first torque gear, the second gear closely interlocks with second torque gear each other, be favorable to improving the stability when the device operates.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front view of the present invention;

FIG. 3 is a side view of the motor shaft of the present invention;

fig. 4 is a schematic perspective view of the bracing plate of the present invention;

fig. 5 is a schematic perspective view of a first bearing support structure according to the present invention.

In the figure: 1. a base; 2. a shock-absorbing rubber pad; 3. a motor body; 4. fixing the bolt; 5. an initial rotating shaft assembly; 501. a motor shaft; 502. a limiting connecting strip; 503. a first gear; 504. a second gear; 505. a bearing member; 506. a supporting plate; 507. a miniature electric telescopic rod; 508. a connecting bolt; 509. a second bearing support; 6. a torque adjustment box; 7. connecting the rotating shaft; 8. a first bearing support; 9. a first torque gear; 10. a second torque gear; 11. a hinge; 12. a box door; 13. a handle.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a variable speed motor with shock-absorbing structure can be convenient for automatic moment of adjusting, including base 1 and initial pivot subassembly 5, settle base 1 surface one side has rubber reducing pad 2, and rubber reducing pad 2 surface is provided with motor body 3, motor body 3 bottom runs through all around there is fixing bolt 4, laminating mutually with rubber reducing pad 2 upper surface 3 lower surface of motor body, and rubber reducing pad 2 is the flexible construction, motor body 3 constitutes fixed knot through between fixing bolt 4 and the base 1 and constructs, motor body 3 settles in rubber reducing pad 2 surface, rubber reducing pad 2 is produced sensation when flexible construction can absorb motor body 3 function, and be fixed in base 1 surface with motor body 3 through fixing bolt 4, prevent that motor body 3 from appearing not hard up, and be favorable to avoiding motor body 3 to take place the vibration.

The initial rotating shaft component 5 is connected with one end of the motor body 3, the torque adjusting box 6 wraps the outside of the initial rotating shaft component 5, the initial rotating shaft component 5 comprises a motor rotating shaft 501, a limit connecting strip 502, a first gear 503, a second gear 504, a bearing piece 505, a supporting plate 506, a micro electric telescopic rod 507, a connecting bolt 508 and a second bearing support 509, the surface of the motor rotating shaft 501 is provided with the limit connecting strip 502, the outer wall of the limit connecting strip 502 and the outer wall of the motor rotating shaft 501 wrap a first gear 503, the side surface of the first gear 503 is fixed with the second gear 504, the other side of the first gear 503 is connected with the bearing piece 505, the side surface of the bearing piece 505 is provided with the supporting plate 506, the side surface of the supporting plate 506 is connected with the micro electric telescopic rod 507, the connecting bolt 508 penetrates through the peripheries of two ends of the micro electric telescopic rod, the motor rotating shaft 501 and the limiting connecting strip 502 are of a welding integrated structure, the motor rotating shaft 501 and the limiting connecting strip 502 penetrate through the first gear 503, the second gear 504, the bearing piece 505 and the supporting plate 506, the inner surfaces of the first gear 503 and the second gear 504 are attached to the outer surfaces of the motor rotating shaft 501 and the limiting connecting strip 502, the structural size of the first gear 503 is consistent with that of the first torque gear 9, the first gear 503 and the first torque gear 9 are mutually meshed, the first gear 503 and the second gear 504 form a telescopic structure through the bearing piece 505, the supporting plate 506 and the micro electric telescopic rod 507, the micro electric telescopic rods 507 are provided with two micro electric telescopic rods, the micro electric telescopic rods 507 are symmetrically distributed around the central axis of the motor rotating shaft, and the micro electric telescopic rods 507 are symmetrically distributed with the supporting plate 506 through the connecting bolts 508 and the supporting plate 506, The torque adjusting box 6 is fixedly connected, a connecting rotating shaft 7 penetrates through one side of the inner wall of the torque adjusting box 6, the tail end of the connecting rotating shaft 7 is movably connected with a first bearing support 8, a first torque gear 9 is fixed on the outer wall of the connecting rotating shaft 7, a second torque gear 10 is fixed on one side of the first torque gear 9, the connecting rotating shaft 7 and the motor rotating shaft 501 are distributed in a parallel manner, the connecting rotating shaft 7 is fixedly connected with the first torque gear 9 and the second torque gear 10, the second torque gear 10 is meshed with the second gear 504, the size of an outer opening of the second torque gear 10 is larger than that of an outer opening of the second gear 504, the first gear 503 and the first torque gear 9 are meshed with each other or the second gear 504 and the second torque gear 10 are meshed with each other by controlling the micro electric telescopic rod 507 to stretch, so that the torque adjusting effect is achieved, and the first gear 503 and the first torque gear 9 are meshed with each other, and the structural size of the first gear 503 is consistent with the structural size of the first torque gear 9, so that the rotating speeds of the first torque gear 9 and the first gear 503 are consistent, and when the second gear 504 and the second torque gear 10 are meshed with each other, the rotating speed of the second torque gear 10 is lower than that of the second gear 504 due to the fact that the size of the outer opening of the second torque gear 10 is larger than that of the outer opening of the second gear 504, so that the torque adjusting effect is achieved, and only the miniature electric telescopic rod 507 needs to be controlled to stretch, so that the operation of people is facilitated, in addition, the mode does not need to miniaturize and refine parts, is beneficial to reducing the production and processing difficulty, is convenient for manufacturers to produce, in addition, the fixed bolt 4 can be unscrewed and the motor body 3 can be pulled outwards to enable the motor rotating shaft 501 to be drawn out from the inside of the torque adjusting box 6, then the box door 12 is opened, and the first gear 503 and, Bearing spare 505, fagging 506, miniature electric telescopic handle 507 takes off, make things convenient for the later maintenance, and this dismouting mode is simple and easy, the staff's operation of being convenient for is hanged down to the last hand degree of difficulty, and motor shaft 501 runs through torque adjustment case 6 and inserts inside second bearing supports 509, and it also runs through torque adjustment case 6 and inserts inside first bearing supports 8 to connect pivot 7, second bearing supports 509 is to connecting pivot 7, motor shaft 501 supports the while, also can not disturb and connect pivot 7, motor shaft 501's normal rotation, be favorable to making first gear 503 and first torque gear 9, second gear 504 and the mutual inseparable interlock of second torque gear 10, be favorable to improving the stability of the device when functioning.

The surface of the torque adjusting box 6 is provided with a hinge 11, the outer wall of the hinge 11 is connected with a box door 12, the surface of the box door 12 is provided with a handle 13, the box door 12 forms a movable structure between the hinge 11 and the torque adjusting box 6, the box door 12 and the handle 13 form an integrated structure, the handle 13 is held to apply force outwards, so that the box door 12 can rotate horizontally through the hinge 11, the torque adjusting box 6 is exposed inside, parts inside the torque adjusting box 6 are exposed at the moment, the later maintenance personnel can maintain and repair conveniently, the service life of the device can be prolonged favorably, the box door 12 and the handle 13 form an integrated structure, the handle 13 can be prevented from loosening, and the handle 13 is prevented from falling off.

In summary, the variable speed motor with a shock absorption structure capable of facilitating automatic torque adjustment is used, first, the connection rotating shaft 7 is connected with a corresponding mechanical device, when the micro electric telescopic rod 507 is in a contracted state, at this time, the first gear 503 and the first torque gear 9 are engaged with each other, the motor body 3 drives the motor rotating shaft 501 to rotate the first gear 503 so as to drive the first torque gear 9 to rotate the connection rotating shaft 7, the structural size of the first gear 503 is consistent with that of the first torque gear 9, so that the rotating speeds of the first torque gear 9 and the first gear 503 are consistent, then when the micro electric telescopic rod 507 is in an extended state, the second gear 504 slides along the surface of the motor rotating shaft 501 and the limit connection strip 502 until the second gear 504 is engaged with the second torque gear 10, because the outer opening size of the second torque gear 10 is larger than that of the second gear 504, the rotating speed of the second torque gear 10 is smaller than that of the second gear 504, thereby reach the effect of adjusting the moment of torsion, and only need control miniature electric telescopic handle 507 to stretch out and draw back can automatically regulated the moment of torsion, make things convenient for people to operate, and this mode need not to miniaturize spare part, become more meticulous, be favorable to reducing the production and processing degree of difficulty, make things convenient for producer's production, then later stage accessible is unscrewed fixing bolt 4 and is drawn out motor body 3 messenger motor shaft 501 from the inside of torque adjustment case 6, grip 13 outwards application of force can make chamber door 12 carry out horizontal rotation through hinge 11 again, thereby expose the inside of torque adjustment case 6, the spare part in torque adjustment case 6 exposes this moment, and unscrew connecting bolt 508 and can take off first gear 503, second gear 504, bearing spare 505, backup pad 506, miniature electric telescopic handle 507, make things convenient for later maintenance, and this dismouting mode is simple and understandable, the low worker's degree of difficulty is convenient for the operation, finally motor shaft 501, When the connecting shaft 7 rotates, the motor shaft 501 penetrates the torque adjusting box 6 and is inserted into the second bearing support 509, the connecting shaft 7 also penetrates the torque adjusting box 6 and is inserted into the first bearing support 8, the connecting shaft 7 and the motor shaft 501 are supported by the first bearing support 8 and the second bearing support 509, and the normal rotation of the connecting shaft 7 and the motor shaft 501 is not interfered, so that the first gear 503, the first torque gear 9, the second gear 504 and the second torque gear 10 are tightly engaged with each other, the stability of the device during operation is improved, the motor body 3 is arranged on the surface of the vibration-damping rubber pad 2, the vibration-damping rubber pad 2 is of a flexible structure and can absorb the vibration generated during operation of the motor body 3, and the motor body 3 is fixed on the surface of the base 1 through the fixing bolt 4 to prevent the motor body 3 from loosening, and is favorable to avoiding motor body 3 to take place the vibration, and miniature electric telescopic handle 507 model is wxtg.

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 (9)

1. The utility model provides a variable speed motor with shock-absorbing structure can be convenient for automatic moment of transfer, includes base (1) and initial pivot subassembly (5), its characterized in that: base (1) surface one side is settled there is rubber cushion (2), and rubber cushion (2) surface is provided with motor body (3), motor body (3) bottom is run through all around has fixing bolt (4), initial pivot subassembly (5) are connected in motor body (3) one end, and the outside parcel of initial pivot subassembly (5) has torque adjusting box (6), torque adjusting box (6) inner wall one side is run through has connection pivot (7), and connects pivot (7) end swing joint and have first bearing to support (8), connect pivot (7) outer wall fixed with first moment of torsion gear (9), and first moment of torsion gear (9) one side is fixed with second moment of torsion gear (10).

2. The variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 1, wherein: the motor is characterized in that the lower surface of the motor body (3) is attached to the upper surface of the damping rubber pad (2), the damping rubber pad (2) is of a flexible structure, and the motor body (3) and the base (1) form a fixed structure through a fixing bolt (4).

3. The variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 1, wherein: the initial rotating shaft assembly (5) comprises a motor rotating shaft (501), a limiting connection strip (502), a first gear (503), a second gear (504), a bearing piece (505), a supporting plate (506), a micro electric telescopic rod (507), a connecting bolt (508) and a second bearing support (509), wherein the limiting connection strip (502) is arranged on the surface of the motor rotating shaft (501), the first gear (503) is wrapped on the outer wall of the limiting connection strip (502) and the outer wall of the motor rotating shaft (501), the second gear (504) is fixed on the side surface of the first gear (503), the bearing piece (505) is connected to the other side surface of the first gear (503), the supporting plate (506) is arranged on the side surface of the bearing piece (505), the micro electric telescopic rod (507) is connected to the side surface of the supporting plate (506), and the connecting bolt (508) penetrates through the peripheries of two ends of the micro electric, the tail end of the motor rotating shaft (501) is movably connected with a second bearing support (509).

4. A variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 3, wherein: motor shaft (501) and spacing be welding integral structure between being connected rectangular (502), and motor shaft (501), spacing connection rectangular (502) run through in first gear (503), second gear (504), inside bearing spare (505), fagging (506), and the internal surface of first gear (503), second gear (504) inside laminates with motor shaft (501), the surface of spacing connection rectangular (502) mutually moreover.

5. A variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 3, wherein: the structure size of the first gear (503) is consistent with that of the first torque gear (9), the first gear (503) is meshed with the first torque gear (9), and the first gear (503) and the second gear (504) form a telescopic structure through the bearing piece (505), the supporting plate (506) and the micro electric telescopic rod (507).

6. A variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 3, wherein: the electric telescopic handle is characterized in that the number of the electric telescopic handle is two, the electric telescopic handle is symmetrically distributed between the electric telescopic handle and the electric telescopic handle 507 about the central axis of the motor rotating shaft 501, and the electric telescopic handle 507 is fixedly connected with the supporting plate 506 and the torque adjusting box 6 through connecting bolts 508.

7. The variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 1, wherein: the connecting rotating shaft (7) and the motor rotating shaft (501) are distributed in a parallel mode, the connecting rotating shaft (7) is fixedly connected with the first torque gear (9) and the second torque gear (10), the second torque gear (10) is meshed with the second gear (504), and the size of an outer opening of the second torque gear (10) is larger than that of an outer opening of the second gear (504).

8. The variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 1, wherein: the surface of the torque adjusting box (6) is provided with a hinge (11), the outer wall of the hinge (11) is connected with a box door (12), and the surface of the box door (12) is provided with a handle (13).

9. The variable speed motor with a shock absorbing structure capable of facilitating automatic torque adjustment according to claim 8, wherein: the box door (12) and the torque adjusting box (6) form a movable structure through a hinge (11), and the box door (12) and the handle (13) form an integrated structure.

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