CN210240356U - Two-stage speed reduction hydro-viscous speed regulation clutch - Google Patents

Abstract

The utility model discloses a liquid that two-stage speed reduction glues speed governing clutch, including control piston, box, power input structure and power take off structure, the power input structure includes driving shaft, first gear, input shaft, second gear and initiative friction disc, the both sides of box are fixed respectively and have been inlayed two bearings, the driving shaft is installed through the bearing rotation in the top of box one side, the fixed cup joint of one end of driving shaft has first gear. The utility model discloses a motor drive driving shaft is rotatory, install the gear engagement of installation on gear and the input shaft on the driving shaft, the gear engagement of installation on the gear of installation on the output shaft and the driven shaft, then adjust the size that output rotational speed was adjusted to the interval between the friction pair through the control piston, can realize soft start, soft parking, compact structure, the part is small, and the integrated level is high, still has simple structure, safe and reliable, stability is high, characteristics that the energy consumption is low, have extensive using value.

Description

Two-stage speed reduction hydro-viscous speed regulation clutch

Technical Field

The utility model relates to a hydro-viscous speed regulation clutch equipment technical field specifically is a hydro-viscous speed regulation clutch of two-stage speed reduction.

Background

The clutch is widely applied between a working machine and a motor as a transmission machine for matching rotating speed and transmitting torque, and is widely applied to modern machines. In order to reduce and buffer the electrical impact and mechanical impact caused by direct starting, the soft starting equipment is largely used in large-scale mechanical equipment, so that the large-scale mechanical equipment can controllably overcome the inertia of the equipment in the starting process and can be started smoothly. At present, the soft starting device is mainly applied to belt conveyors, scraper conveyors, fans, water pumps and the like.

The fluid transmission has reliable power and economic advantages, and exhibits superior performance in the aspects of speed regulation and soft start of high-power equipment, the hydro-viscous speed regulation clutch based on the traditional hydro-viscous technology can realize stepless speed regulation of 0 to 100 percent, has high speed regulation sensitivity, has a simpler structure than a hydraulic coupler, and has a quick response characteristic. The problems of throttling loss and energy waste generated by various working machines such as a water pump fan and the like can be effectively solved, and the energy-saving effect is obvious; therefore, the hydro-viscous speed regulation clutch gets the attention of a large number of experts and scholars at home and abroad.

Large-scale mechanical equipment such as a fan, a water pump, a belt conveyor and the like needs low rotating speed and large torque in the starting process, power input equipment such as a motor and the like generally has high rotating speed which is more than 1000r/m, and the motor is not protected in the starting or working process of the mechanical equipment, so that the two-stage speed reduction hydro-viscous speed regulation clutch is invented, and stable output and stable work are realized by utilizing the excellent performance of fluid transmission. Chinese patent application No. CN105937565A discloses a bidirectional control hydro-viscous clutch, which utilizes control oil bidirectional control to adjust the clearance of a friction pair, thereby effectively solving the eccentric wear problem of a friction plate. Chinese patent application No. CN103790997A proposes a manual hydro-viscous speed-adjusting clutch. The various technical schemes proposed by the Chinese patents have advantages and solve problems in practical application, but the technical schemes have complex structures, high processing cost and single output mode. This is a disadvantage of the prior art.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect that exists among the prior art, the utility model provides a hydro-viscous speed regulation clutch of two-stage speed reduction, control system has advantages such as simple structure, energy consumption are low, with low costs, safe and reliable, and the clutch sets up a pair of deceleration gear at power input end, and the purpose reduces clutch input rotational speed and improves the transmission power ability, sets up a pair of deceleration gear behind the clutch, and the purpose further reduces output speed, sets up two pairs of reduction gear set, and the purpose is in order to guarantee clutch compact structure when reaching the deceleration purpose.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid that two-stage speed reduction glues speed governing clutch, includes control piston, box, power input structure and power take off structure, the power input structure includes driving shaft, first gear, input shaft, second gear and initiative friction disc, the both sides of box are fixed respectively and have been inlayed two bearings, the driving shaft is installed through the bearing rotation in the top of box one side, the one end fixed cup of driving shaft has first gear to make first gear and driving shaft keep synchronous rotation.

Preferably, one side of the box body is located below the driving shaft and is rotatably provided with an input shaft through a bearing, the other end of the input shaft is fixedly sleeved with a second gear, the second gear is meshed with the first gear, and a driving friction plate is slidably connected below the input shaft through a spline.

Preferably, power take off structure includes third gear, driven shaft, output shaft, fourth gear and passive friction disc, the output shaft is installed through the bearing rotation in one side that the input shaft was kept away from to the box, the fixed cover in one end periphery that the output shaft is close to the input shaft has connect the fourth gear, the driven shaft is installed through the bearing rotation in the top that one side of box is located the input shaft, the fixed cover of the other end of driven shaft has connected the third gear, be connected for the meshing between third gear and the fourth gear.

Preferably, a cover plate is rotatably arranged in the box body, a driven drum is fixedly connected to the outer ring of the cover plate, the inner ring of the cover plate is fixedly connected with the output shaft, and the driven drum is slidably connected with a driven friction plate through a spline.

Preferably, a baffle is arranged on one side, close to the input shaft, in the box body, an inner ring of the baffle is fixedly connected with the input shaft, and an outer ring of the baffle is fixedly connected with the driven drum.

Preferably, one side of the baffle is provided with a control piston for controlling the gap between the friction plate sets and adjusting the thickness of an oil film between the friction pairs, so that the rotating speed of the driven shaft is controlled.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses well first gear tooth number is less than the number of teeth of second gear, and the first deceleration of input rotational speed is realized with second gear external toothing to first gear. The same number of teeth of the fourth gear is smaller than that of the third gear, and the fourth gear is externally meshed with the third gear to realize the second speed reduction of the input rotating speed;

2. the driving shaft, the input shaft, the output shaft and the driven shaft are all installed in the box body by adopting a simple beam structure, the installation is firm, the coaxiality in work can be ensured, the vibration of the box body in work can be reduced, and the service life is prolonged;

3. meanwhile, the driving friction plate and the driven friction plate can axially move, so that the clearance between the friction plate groups is controlled by controlling the piston stroke or the return stroke, and the thickness of an oil film between the friction pairs can be adjusted to control the output torque.

Drawings

Fig. 1 is a schematic view of the present invention.

In the figure: 1-driving shaft; 2-a first gear; 3-an input shaft; 4-a second gear; 5-driving friction plate; 6-control piston; 7-a baffle plate; 8-a box body; 9-a third gear; 10-a driven shaft; 11-a bearing; 12-a cover plate; 13-an output shaft; 14-a fourth gear; 15-passive friction plate; 16-passive drum.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a two-stage speed reduction's liquid glues speed governing clutch, includes control piston 6, box 8, power input structure and power output structure, the power input structure includes driving shaft 1, first gear 2, input shaft 3, second gear 4 and initiative friction disc 5, the both sides of box 8 are fixed respectively to be inlayed two bearings 11, the top of box 8 one side is rotated through bearing 11 and is installed driving shaft 1, and driving shaft 1 can connect the motor as the power supply, the fixed cover of one end of driving shaft 1 has been cup jointed first gear 2 to make first gear 2 and driving shaft 1 keep synchronous rotation.

One side of box 8 is located the below of driving shaft 1 and rotates through bearing 11 and installs input shaft 3, the fixed cover of the other end of input shaft 3 has connect second gear 4, be connected for the meshing between second gear 4 and the first gear 2 to the number of teeth of first gear 2 is less than second gear 4, so realized first deceleration when the rotational speed is transmitted to input shaft 3 from driving shaft 1 on, there is initiative friction disc 5 below of input shaft 3 through spline sliding connection, contacts through initiative friction disc 5 and input shaft 3, can realize the effect of slowing down.

Power take off structure includes third gear 9, driven shaft 10, output shaft 13, fourth gear 14 and passive friction disc 15, one side that input shaft 3 was kept away from to box 8 is rotated through bearing 11 and is installed output shaft 13, output shaft 13 is close to the fixed cover in one end periphery of input shaft 3 and is connect fourth gear 14, one side of box 8 is located the top of input shaft 3 and is rotated through bearing 11 and installs driven shaft 10, the fixed cover of the other end of driven shaft 10 is connected with third gear 9, be connected for the meshing between third gear 9 and the fourth gear 14, and fourth gear 14's number of teeth is less than third gear 9's number of teeth, so when the rotational speed transmitted driven shaft 10 from output shaft 13, can realize the second time deceleration.

A cover plate 12 is rotatably arranged in the box body 8, a driven drum 16 is fixedly connected to the outer ring of the cover plate 12, the inner ring of the cover plate 12 is fixedly connected with the output shaft 13, synchronous rotation with the output shaft 13 can be achieved, and a driven friction plate 15 is slidably connected to the driven drum 16 through a spline.

A baffle 7 is arranged on one side, close to the input shaft 3, in the box body 8, the inner ring of the baffle 7 is fixedly connected with the input shaft 3, and the outer ring of the baffle 7 is fixedly connected with the driven drum 16.

And a control piston 6 is arranged on one side of the baffle 7 and used for controlling the gap between the friction plate groups and adjusting the thickness of an oil film between the friction pairs, the power output is increased when the gap between the friction pairs is reduced, and the power output is reduced when the gap between the friction pairs is increased, so that the rotating speed of the driven shaft 10 can be controlled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a liquid that two-stage speed reduction glues speed governing clutch, includes control piston (6), box (8), power input structure and power output structure, its characterized in that: the power input structure includes driving shaft (1), first gear (2), input shaft (3), second gear (4) and initiative friction disc (5), the both sides of box (8) are fixed respectively and have been inlayed two bearings (11), the top of box (8) one side is passed through bearing (11) and is rotated and install driving shaft (1), the fixed cover of one end of driving shaft (1) has been cup jointed first gear (2) to make first gear (2) and driving shaft (1) keep synchronous rotation.

2. A two-stage reduction hydroviscous speed-governing clutch as claimed in claim 1, wherein: one side of box (8) is located the below of driving shaft (1) and rotates through bearing (11) and installs input shaft (3), the fixed cover of the other end of input shaft (3) has connect second gear (4), be connected for the meshing between second gear (4) and first gear (2), there is initiative friction disc (5) below of input shaft (3) through spline sliding connection.

3. A two-stage reduction hydroviscous speed-governing clutch as claimed in claim 1, wherein: the power take-off structure includes third gear (9), driven shaft (10), output shaft (13), fourth gear (14) and passive friction disc (15), one side that input shaft (3) were kept away from in box (8) is rotated through bearing (11) and is installed output shaft (13), fourth gear (14) have been cup jointed to output shaft (13) one end periphery that is close to input shaft (3) is fixed, the top that one side of box (8) is located input shaft (3) is rotated through bearing (11) and is installed driven shaft (10), the other end fixed cup joint of driven shaft (10) has third gear (9), be connected for the meshing between third gear (9) and fourth gear (14).

4. A two-stage reduction hydroviscous speed-governing clutch as claimed in claim 3, wherein: the improved energy-saving gearbox is characterized in that a cover plate (12) is arranged in the box body (8) in a rotating mode, a driven drum (16) is fixedly connected to the outer ring of the cover plate (12), the inner ring of the cover plate (12) is fixedly connected with the output shaft (13), and the driven drum (16) is connected with a driven friction plate (15) through a spline in a sliding mode.

5. A two-stage reduction hydroviscous speed-regulating clutch according to claim 4, characterized in that: a baffle (7) is arranged on one side, close to the input shaft (3), in the box body (8), the inner ring of the baffle (7) is fixedly connected with the input shaft (3), and the outer ring of the baffle (7) is fixedly connected with the driven drum (16).

6. A two-stage reduction hydroviscous speed-governing clutch as claimed in claim 5, wherein: and a control piston (6) is arranged on one side of the baffle (7) and used for controlling the gap between the friction plate groups and adjusting the thickness of an oil film between the friction pairs, so that the rotating speed of the driven shaft (10) is controlled.

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