CN214499954U

CN214499954U - Hydraulic power speed increaser

Info

Publication number: CN214499954U
Application number: CN202120027791.2U
Authority: CN
Inventors: 肖体文; 李勇
Original assignee: Guangdong Guohong Intelligent Equipment Co ltd
Current assignee: Guangdong Guohong Intelligent Equipment Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-26
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a hydraulic power speed increaser, which comprises a speed increaser box, a planetary gear set, an impeller and a rotating shaft, wherein the speed increaser box comprises an upper shell and a lower shell, and the upper shell and the lower shell are provided with a group of hydraulic push rods with opposite push directions; the upper shell and the lower shell are respectively provided with an annular groove, each annular groove is embedded with an annular impeller, and the hydraulic push rods respectively push the impellers to rotate in the same direction; the impeller is provided with external teeth and internal teeth; the external teeth are meshed with the hydraulic push rod through the racks; the internal tooth is meshed with the planetary gear set, the planetary gear set drives the rotating shaft to rotate in a variable speed mode, and the bearing of the rotating shaft is arranged on the upper shell and the lower shell. The utility model discloses mainly rely on hydro-cylinder hydraulic system to come the high-accuracy rack of propelling movement as main power and make clockwise's the action of recirculating, promote the external tooth of impeller through the rack, the internal tooth drives planetary gear set again simultaneously and carries out the gear ratio acceleration rate, because through hydraulic cylinder's energy conversion, has advantages such as drive torque is big, complete machine power is little and rated pressure height.

Description

Hydraulic power speed increaser

Technical Field

The utility model relates to a speed increaser technical field especially relates to a hydraulic power speed increaser.

Background

The speed increaser is an important component part of series complete equipment such as wind power generation, aircrafts, hydraulic high-pressure plunger pumps and the like. However, the current speed increasers at home and abroad use a motor structure, and the speed increaser has a small speed increaser ratio, so that the driving torque force cannot meet the requirement.

Disclosure of Invention

In order to solve the above problem, an object of the present invention is to provide a hydraulic power speed increasing device which is driven by hydraulic pressure and performs gear ratio speed increase by using a planetary gear set.

The purpose of the utility model is realized by adopting the following technical scheme:

a hydraulic power speed increaser comprises a speed increaser box, a planetary gear set, an impeller and a rotating shaft, wherein the speed increaser box comprises an upper shell and a lower shell, and the upper shell and the lower shell are provided with a group of hydraulic push rods with opposite pushing directions; the upper shell and the lower shell are respectively provided with an annular groove, each annular groove is embedded with an annular impeller, and the hydraulic push rods respectively push one impeller to rotate in the same direction; the impeller is provided with external teeth and internal teeth; the external teeth are meshed and connected with the hydraulic push rod through a rack; the internal tooth with planetary gear set meshes, planetary gear set drives the pivot variable speed rotates, the bearing of pivot is located the epitheca with the inferior valve.

Furthermore, an upper groove and a lower groove are arranged between the outer teeth and the inner teeth of each impeller, the ring groove is embedded in the groove opposite to the ring groove, the inner teeth and the outer teeth are separated by the grooves, and the grooves are provided with a plurality of backstop holes; the two impellers are opposite, a flywheel is embedded in the groove and provided with a backstop piece, and the backstop piece is connected with the backstop hole in a touching mode.

Furthermore, the upper shell and the lower shell are respectively provided with a plurality of sub-bearings, and the sub-bearings are arranged on the surface of the annular groove.

Furthermore, one end of the retaining piece is an inclined plane, and the inclined plane is opposite to the rotation direction of the impeller.

Further, the planetary gear set is composed of a plurality of external gears and a central gear, the external gears are sequentially meshed around the central gear, internal teeth of the impeller are meshed with external teeth of the external gears, and the rotating shaft penetrates through the center of the central gear.

Furthermore, the upper shell and the lower shell are vertically provided with a plurality of fixing shafts, and the center of the outer gear penetrates through one fixing shaft.

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

the utility model discloses a hydraulic power increaser, its mainly rely on hydro-cylinder driving system to come the high-accuracy rack of propelling movement as main power and do clockwise's the action of recirculating, drive the impeller of the inside and outside double tooth of rack promotion through hydraulic pressure push rod, the internal tooth of impeller drives planetary gear set again simultaneously and carries out the gear ratio acceleration rate, because through hydraulic cylinder's energy conversion, it is big to have a drive torque power, the complete machine power is little, rated pressure is high, compact structure, efficient and speed (rotational speed) adjust advantages such as convenient. The utility model discloses but wide application in high-pressure plunger pump, wind power generation and aircraft, large-scale transport means, the occasion that needs the regulation such as the aspect of the military project, have such as in petroleum, chemical industry, the chemical fertilizer industry as the pump for the flow, the scale removal of the high pressure of metallurgy, rolling mill, the scale removal of trades such as building, chemical industry, shipbuilding, papermaking, the application scene such as the remote fire fighting of high pressure of fire engine.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is an exploded view of the impeller structure of the present invention.

In the figure: 10. an upper shell; 11. a first hydraulic push rod; 20. a lower case; 21. a second hydraulic push rod; 22. a ring groove; 30. an impeller; 31. external teeth; 32. internal teeth; 33. a groove; 40. a flywheel; 41. a backstop member; 50. an outer gear; 51. a sun gear; 52. a fixed shaft; 60. a rotating shaft; 61. a bearing; 210. a rack; 220. and a sub-bearing.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1, 2 and 3, the present invention discloses a hydraulic power speed increasing machine, which comprises a speed increasing box, a planetary gear set, an impeller 30 and a rotating shaft 60. The gearbox comprises an upper shell 10 and a lower shell 20, and the edges of the upper shell 10 and the lower shell 20 are spliced and connected to form a gearbox body of the gearbox. The upper shell 10 and the lower shell 20 are provided with a group of hydraulic push rods, namely a first hydraulic push rod 11 and a second hydraulic push rod 21, and the push directions of the two push rods are opposite. An annular groove 22 is formed at the bottom of each of the upper and

lower cases

10 and 20, an annular impeller 30 is fitted into each annular groove 22, a rack 210 driven by a hydraulic push rod is provided at one side of each impeller 30, and both impellers 30 are provided with external teeth 31 and internal teeth 32. The first hydraulic push rod 11 is engaged with the external teeth 31 of the impeller 30 through the rack 210 to push the impeller 30 provided to the upper casing 10, and the second hydraulic push rod 21 is engaged with the external teeth 31 of the impeller 30 through the rack 210 to push the impeller 30 provided to the lower casing 20.

The utility model discloses in, planetary gear set comprises six outer gears 50 and a sun gear 51, and outer gear 50 meshes in proper order around sun gear 51, and epitheca 10 and inferior valve 20 are equipped with six fixed axles 52 perpendicularly, and a fixed axle 52 is worn to locate by outer gear 50's center. The internal teeth 32 of the impeller 30 are engaged with the external teeth of the external gear 50, the rotating shaft 60 is inserted into the center of the sun gear 51, and the bearing 61 of the rotating shaft 60 is provided in the upper casing 10 and the lower casing 20. The utility model discloses during the operation, two hydraulic push rods promote two impellers 30 equidirectional rotations, and the internal tooth 32 of impeller 30 drives outer gear 50 rotatory during the rotation, and sun gear 51 is under a plurality of outer gear 50's drive, through the slew velocity of gear ratio acceleration rate pivot 60.

When the rotating shaft 60 needs to keep rotating in one direction, the inside of the impeller 30 needs to realize a backstop function, in order to realize the function, an upper groove 33 and a lower groove 33 are arranged between the outer teeth 31 and the inner teeth 32 of each impeller 30, and the ring groove 22 is embedded in the opposite groove 33. The grooves 33 separate the external teeth 31 and the internal teeth 32 and the grooves 33 are provided with a plurality of backstop holes. The flywheels 40 are embedded in the grooves 33 of the two impellers 30, the flywheels 40 are provided with retaining pieces 41, and the retaining pieces 41 can be in touch connection with the retaining holes. One end of the retaining member 41 is a slope, and the slope is disposed opposite to the rotation direction of the impeller 30. The upper casing 10 and the lower casing 20 are respectively provided with six sub-bearings 220, the sub-bearings 220 are provided on the surface of the ring groove 22, and the flywheel 40 rotates together with the impeller 30 through the sub-bearings 220. The utility model discloses when the operation, stopping hole from the inclined plane jack-up stopping piece 41 when impeller 30 rotates, make impeller 30 realize smoothly rotating, when hydraulic push rod pushes back, stopping hole offsets with the straight side of stopping piece 41, makes rack 210 only drive the outer tooth 31 of impeller 30 and rolls back, and influence when inner tooth 32 does not receive the back push guarantees that the rotation direction of pivot 60 keeps unanimous.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A hydraulic power speed-increasing machine characterized in that: the speed-increasing box comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are provided with a group of hydraulic push rods with opposite pushing directions;

the upper shell and the lower shell are respectively provided with an annular groove, each annular groove is embedded with an annular impeller, and the hydraulic push rods respectively push one impeller to rotate in the same direction; the impeller is provided with external teeth and internal teeth; the external teeth are meshed and connected with the hydraulic push rod through a rack; the internal tooth with planetary gear set meshes, planetary gear set drives the pivot variable speed rotates, the bearing of pivot is located the epitheca with the inferior valve.

2. The hydraulic power speed increasing machine according to claim 1, wherein: an upper groove and a lower groove are arranged between the outer teeth and the inner teeth of each impeller, the ring groove is embedded in the groove opposite to the ring groove, the inner teeth and the outer teeth are separated by the grooves, and the grooves are provided with a plurality of backstop holes; the two impellers are opposite, a flywheel is embedded in the groove and provided with a backstop piece, and the backstop piece is connected with the backstop hole in a touching mode.

3. The hydraulic power speed increasing machine according to claim 2, wherein: the upper shell and the lower shell are respectively provided with a plurality of sub-bearings, and the sub-bearings are arranged on the surfaces of the annular grooves.

4. The hydraulic power speed increasing machine according to claim 3, wherein: one end of the retaining piece is an inclined plane, and the inclined plane is opposite to the rotation direction of the impeller.

5. The hydraulic power speed increasing machine according to any one of claims 1 to 4, wherein: the planetary gear set is composed of a plurality of outer gears and a central gear, the outer gears are sequentially meshed around the central gear, inner teeth of the impeller are meshed with outer side teeth of the outer gears, and the rotating shaft penetrates through the center of the central gear.

6. The hydraulic power speed increasing machine according to claim 5, wherein: the upper shell and the lower shell are vertically provided with a plurality of fixing shafts, and the center of the outer gear penetrates through one fixing shaft.