CN217355450U

CN217355450U - Reverse transmission case of hydraulic coupler

Info

Publication number: CN217355450U
Application number: CN202220348874.6U
Authority: CN
Inventors: 栾明库; 吴春
Original assignee: Dalian Transfer Fluid Coupling And Set Equipment Co ltd
Current assignee: Dalian Transfer Fluid Coupling And Set Equipment Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-09-02
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to a hydraulic coupling reverse transmission case, including the transmission case base, transmission case main part and hydraulic coupling, the transmission case main part is fixed to be set up above the transmission case base, hydraulic coupling sets up in the transmission case main part, hydraulic coupling one end is equipped with the input shaft, the other end is equipped with the output shaft, output shaft fixedly connected with unit gear reduction unit, one side of hydraulic coupling is equipped with the oil tank, it is equipped with the oil drain pipe to communicate between the working chamber of oil tank and hydraulic coupling, hydraulic coupling one end is equipped with fixed pipe, the opening direction of fixed pipe is met to the incoming oil direction of working oil in hydraulic coupling, be equipped with the check valve on the fixed pipe, the other end of fixed pipe is fixed with the oil cooler, communicate through oil pipe between oil tank and the oil cooler, cool off working oil through setting up the oil cooler, support framework and guard plate provide stable support for hydraulic coupling, the blower and the radiating fins radiate heat in the transmission case main body.

Description

Reverse transmission case of hydraulic coupler

Technical Field

The utility model relates to a hydraulic coupling transmission case technical field specifically is a hydraulic coupling transmission case of turning round.

Background

The hydraulic coupler is a mechanical device for connecting power source with working machine to transfer rotary power, and is a non-rigid coupling using liquid as working medium, also called hydraulic coupling, and the pump wheel and turbine of the hydraulic coupler are formed into a closed working cavity capable of making liquid circularly flow, the pump wheel is mounted on the input shaft, the turbine is mounted on the output shaft, when the power machine drives the input shaft to rotate, the liquid is thrown out by centrifugal pump wheel, and after the high-speed liquid is fed into the turbine, the turbine is driven to rotate, and the energy obtained from the pump wheel is transferred to the output shaft, and finally the liquid is returned to the pump wheel to form cyclic flow, and the hydraulic coupler can transfer torque by means of the change of momentum moment produced by interaction of liquid with blades of pump wheel and turbine.

Chinese patent CN202017551U discloses a hydraulic transmission case structure of a mobile crusher, but in the solution of the patent, only a rotating mechanism of a hydraulic coupler is introduced, and working oil of the hydraulic coupler is easy to generate heat, which easily affects the working efficiency of the hydraulic coupler, and at the same time, there is no necessary ventilation and heat dissipation measures in the transmission case.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a fluid coupling reverse driving case to solve the technical problem who mentions in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a hydraulic coupler reverse driving transmission case comprises a transmission case base, a transmission case main body and a hydraulic coupler, wherein the transmission case main body is fixedly arranged above the transmission case base, the hydraulic coupler is arranged in the transmission case main body, one end of the hydraulic coupler is provided with an input shaft, the other end of the hydraulic coupler is provided with an output shaft, the output shaft is fixedly connected with a single gear reducer, one side of the hydraulic coupler is provided with an oil tank, an oil discharge pipe is communicated between the oil tank and a working cavity of the hydraulic coupler, one end of the hydraulic coupler is provided with a fixed guide pipe, the opening direction of the fixed guide pipe faces the oil inlet direction of working oil in the hydraulic coupler, a one-way valve is arranged on the fixed guide pipe, an oil cooler is fixedly arranged at the other end of the fixed guide pipe, the oil cooler is communicated with the oil tank through an oil pipe, and the on-off of the oil in the fixed guide pipe is controlled through the one-way valve, the discharged oil is cooled by an oil cooler.

Preferably, be equipped with the support chassis on the transmission case base, be equipped with the guard plate on the support chassis, the guard plate is fixed to be set up on the support chassis, provides the effect of the stable support of hydraulic coupling through setting up support chassis and guard plate.

Further preferably, be equipped with the through-hole on the guard plate, the through-hole evenly is provided with a plurality ofly on the guard plate, the edge of guard plate is provided with the mounting hole.

Preferably, a proportional control valve is arranged on one side of the oil cooler, the inlet end of the proportional control valve is communicated with the oil cooler, the outlet end of the proportional control valve is communicated with the hydraulic coupler and the oil tank, the 'separating and combining' functions of the coupler can be realized by adjusting the proportional control valve, and meanwhile, the stepless regulation of the liquid filling amount of the working cavity and the output rotating speed of the coupler can be realized.

Preferably, a fine oil filter is arranged between the proportional control valve and the oil tank, an oil pump is arranged between the fine oil filter and the oil tank, the proportional control valve and the fine oil filter, the fine oil filter and the oil pump, and the fine oil filter and the oil tank are communicated through oil pipes, and the guided oil is filtered through the fine oil filter.

It is further preferred that an air blower is arranged on one side of the transmission box main body, a filter screen is arranged in the air blower, air flow is blown into the transmission box main body through the air blower, heat is dissipated in the transmission box main body, and impurities are prevented from entering the transmission box main body through the filter screen.

Further preferably, the transmission case main part external fixation is equipped with heat radiation fins, the bleeder vent has been seted up in the transmission case main part, the ventilation hole has been seted up on the heat radiation fins, bleeder vent and ventilation hole are provided with a plurality ofly, are convenient for derive the hot gas flow in the transmission case main part through setting up heat radiation fins, bleeder vent and ventilation hole, are convenient for dispel the heat in the transmission case main part.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses in, set up fixed pipe intercommunication fluid coupling, draw the hot oil of fluid coupling into and cool off in the oil cooler, thereby the oil after the cooling is sent back the oil tank through the proportional control valve and is realized when the proportional control valve closes, the quick evacuation of coupler working chamber working oil, realize quick separation and reunion function, also can realize the infinitely variable control to the working chamber liquid filling volume simultaneously, the realization is to the infinitely variable control of coupler output speed.

2. The utility model discloses in, set up support chassis and guard plate in the transmission case main part, give hydraulic coupling with stable support, set up the through-hole simultaneously on support chassis and guard plate, be convenient for ventilate in the transmission case main part.

3. The utility model discloses in, be provided with the air-blower in transmission case main part one side and be the heat dissipation of blowing in the transmission case main part, be equipped with heat radiation fins, bleeder vent and ventilation hole simultaneously at transmission case main part top, improved the ventilation speed of transmission case main part one side, improved the radiating efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of a reverse transmission case of a fluid coupling of the present invention;

FIG. 2 is a schematic view of the internal structure of the transmission case of the present invention;

fig. 3 is the matching structure diagram of the middle supporting frame, the protection plate and the through hole of the present invention.

In the figure: 1. a transmission case base; 2. a transmission case main body; 3. a fluid coupling; 4. an input shaft; 5. an output shaft; 6. an oil tank; 7. an oil discharge pipe; 8. fixing the catheter; 9. a one-way valve; 10. an oil cooler; 11. a support framework; 12. a protection plate; 13. a through hole; 14. a proportional control valve; 15. fine oil filter; 16. an oil pump; 17. a blower; 18. heat dissipation fins; 19. air holes are formed; 20. a vent hole; 21. a single gear reducer.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a reverse driving transmission case of a hydraulic coupler comprises a transmission case base 1, a transmission case main body 2 and a hydraulic coupler 3, wherein the transmission case main body 2 is fixedly arranged above the transmission case base 1, the hydraulic coupler 3 is arranged in the transmission case main body 2, one end of the hydraulic coupler 3 is provided with an input shaft 4, the other end of the hydraulic coupler 3 is provided with an output shaft 5, the output shaft 5 is fixedly connected with a single gear reducer 21, one side of the hydraulic coupler 3 is provided with an oil tank 6, an oil discharge pipe 7 is communicated between the oil tank 6 and a working cavity of the hydraulic coupler 3, one end of the hydraulic coupler 3 is provided with a fixed guide pipe 8, the opening direction of the fixed guide pipe 8 faces the oil inlet direction of working oil in the hydraulic coupler 3, the fixed guide pipe 8 is provided with a one-way valve 9, the other end of the fixed guide pipe 8 is fixedly provided with an oil cooler 10, the oil tank 6 is communicated with the oil cooler 10 through an oil pipe, the working process of the hydraulic coupler 3 belongs to the prior art, and is not described again, the hydraulic coupler 3 can drive the single gear reducer 21 to perform a transmission function through the output shaft 5, when the hydraulic coupler 3 works, the check valve 9 is opened, hot oil in the hydraulic coupler 3 flows into the oil cooler 10 through the fixed guide pipe 8 to cool the hot oil, and the cooled hot oil can flow back to the working cavity or the oil tank 6 of the hydraulic coupler 3.

In this embodiment, be equipped with supporting framework 11 on transmission case base 1, be equipped with protection plate 12 on supporting framework 11, protection plate 12 is fixed to be set up on supporting framework 11, be equipped with through-hole 13 on protection plate 12, through-hole 13 evenly is provided with a plurality ofly on protection plate 12, when using, with protection plate 12 lock on hydraulic coupling 3 shell, fix hydraulic coupling 3, be provided with through-hole 13 simultaneously on protection plate 12 and supporting framework 11, be convenient for the flow of the interior air current of transmission case main part 2.

In this embodiment, a proportional control valve 14 is disposed on one side of the main body of the oil cooler 10, an inlet end of the proportional control valve 14 is communicated with the oil cooler 10, an outlet end of the proportional control valve 14 is communicated with the hydraulic coupler 3 and the oil tank 6, a fine oil filter 15 is disposed between the proportional control valve 14 and the oil tank 6, an oil pump 16 is disposed between the fine oil filter 15 and the oil tank 6, the proportional control valve 14 and the fine oil filter 15, the fine oil filter 15 and the oil pump 16, and the fine oil filter 15 and the oil tank 6 are communicated with each other through oil pipes, when the reverse transmission case of the hydraulic coupler 3 is in an "on" or "off" state, the pneumatic or electric proportional control valve 14 is in an "on" or "off" state, and the hot oil treated by the oil cooler 10 flows back into the control cavity of the hydraulic coupler 3, thereby realizing that the working oil flows along the fixed conduit 8, the check valve 9, and the hydraulic coupler 6, The oil cooler 10, the proportional control valve 14 and the hydraulic coupler 3 are circulated, although oil is discharged all the time, the discharged oil flows back to the working cavity, the volume of a circulating pipeline is fixed, so that the liquid flushing rate of the working cavity cannot be changed in the whole process, when the reverse transmission box of the hydraulic coupler 3 is in an off running state, the proportional control valve 14 is in an off state, the oil inlet of the working cavity is cut off, and the working oil in the working cavity is quickly discharged back to the oil tank 6 through the fine oil filter 15 and the oil pump 16 through the fixed guide pipe 8, the one-way valve 9, the oil cooler 10 and the other branch of the proportional control valve 14, so that the quick clutch response is realized.

In this embodiment, a blower 17 is arranged on one side of the transmission case main body 2, a filter screen is arranged in the blower 17, a plurality of heat dissipation fins 18 are fixedly arranged on the outer portion of the transmission case main body 2, air holes 19 are formed in the transmission case main body 2, ventilation holes 20 are formed in the heat dissipation fins 18, the air holes 19 and the ventilation holes 20 are arranged, when a component in the transmission case main body 2 works, a large amount of heat can be dissipated, at the moment, cool air is blown into the transmission case main body 2 by the action of the blower 17, heat is dissipated from the transmission case main body 2, meanwhile, the heat can be discharged out of the transmission case main body 2 through the air holes 19, the air flowing speed on one side of the transmission case main body 2 is increased by the heat dissipation fins 18 and the ventilation holes 20, and further the heat dissipation efficiency of the transmission case main body 2 is improved.

Example 2:

on the basis of embodiment 1, the working process of the hydraulic coupler 3 belongs to the prior art, and is not described again, the hydraulic coupler 3 can drive the single-machine gear reducer 21 to perform a transmission function through the output shaft 5, when the reverse transmission box of the hydraulic coupler 3 is in an "on" and "speed regulation" operation state, the pneumatic or electric proportional control valve 14 is in an "on" or "partially open" state, the one-way valve 9 is opened, hot oil in the hydraulic coupler 3 flows into the oil cooler 10 through the fixed guide pipe 8 and the one-way valve 9, the hot oil treated by the oil cooler 10 flows back into the control cavity of the hydraulic coupler 3, so that the working oil circulates along the fixed guide pipe 8, the one-way valve 9, the oil cooler 10, the proportional control valve 14 and the hydraulic coupler 3, although oil is discharged all the time, the discharged oil flows back to the working cavity, because the volume of the circulation pipeline is fixed, therefore, the liquid flushing rate of the working cavity cannot be changed in the whole process, when the reverse transmission case of the hydraulic coupler 3 is in an off running state, the proportional control valve 14 is in an off state, oil feeding into the working cavity is cut off, and working oil in the working cavity is quickly discharged back to the oil tank 6 through the fixed guide pipe 8, the one-way valve 9, the oil cooler 10 and the other branch of the proportional control valve 14 through the fine oil filter 15 and the oil pump 16, so that quick clutch response is realized.

Example 3:

on the basis of embodiment 2, when using, with guard plate 12 lock on the 3 shells of fluid coupling, fix fluid coupling 3, be provided with through-hole 13 simultaneously on guard plate 12 and supporting framework 11, be convenient for the flow of the interior air current of transmission main part 2, when carrying out the during operation at transmission main part 2 inner member, can give off a large amount of heats, 17 actions of air-blower are the cool breeze of drum-blowing in transmission main part 2 this moment, dispel the heat in transmission main part 2, the heat can be discharged outside transmission main part 2 through bleeder vent 19 simultaneously, heat radiation fins 18 and bleeder vent 20 have improved the air flow speed of transmission main part 2 box one side, and then improved the radiating efficiency of transmission main part 2.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, which are not repeated herein, and it is preferable to consider welding in the above description, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a fluid coupling transmission case that turns round, includes transmission case base (1), transmission case main part (2) and fluid coupling (3), transmission case main part (2) are fixed to be set up in transmission case base (1) top, fluid coupling (3) set up in transmission case main part (2), its characterized in that: fluid coupling (3) one end is equipped with input shaft (4), and the other end is equipped with output shaft (5), fixedly connected with unit gear reducer (21) is gone up in output shaft (5), one side of fluid coupling (3) is equipped with oil tank (6), the intercommunication is equipped with oil drain pipe (7) between the working chamber of oil tank (6) and fluid coupling (3), fluid coupling (3) one end is equipped with fixed pipe (8), the opening direction of fixed pipe (8) is met to the direction of coming of working oil in fluid coupling (3), be equipped with check valve (9) on fixed pipe (8), the other end of fixed pipe (8) is fixed and is equipped with oil cooler (10), through the oil pipe intercommunication between oil tank (6) and oil cooler (10).

2. A fluid coupling reverse drive transmission casing according to claim 1, wherein: be equipped with supporting framework (11) on transmission case base (1), be equipped with guard plate (12) on supporting framework (11), guard plate (12) are fixed to be set up on supporting framework (11).

3. A fluid coupling reverse drive case according to claim 2, wherein: be equipped with through-hole (13) on guard plate (12), through-hole (13) evenly are provided with a plurality ofly on guard plate (12), the edge of guard plate (12) is provided with the mounting hole.

4. A fluid coupling reverse drive transmission case according to claim 1, wherein: a proportional control valve (14) is arranged on one side of the main body of the oil cooler (10), the inlet end of the proportional control valve (14) is communicated with the oil cooler (10), and the outlet end of the proportional control valve (14) is respectively communicated with the hydraulic coupler (3) and the oil tank (6).

5. The fluid coupling reverse gear box according to claim 4, wherein: a fine oil filter (15) is arranged between the proportional control valve (14) and the oil tank (6), an oil pump (16) is arranged between the fine oil filter (15) and the oil tank (6), and the proportional control valve (14) is communicated with the fine oil filter (15), the fine oil filter (15) is communicated with the oil pump (16), and the fine oil filter (15) is communicated with the oil tank (6) through oil pipes.

6. A fluid coupling reverse drive transmission casing according to claim 1, wherein: an air blower (17) is arranged on one side of the transmission box main body (2), and a filter screen is arranged in the air blower (17).

7. A fluid coupling reverse drive case according to claim 6, wherein: the transmission case is characterized in that heat dissipation fins (18) are fixedly arranged on the outer portion of the transmission case main body (2), air holes (19) are formed in the transmission case main body (2), air holes (20) are formed in the heat dissipation fins (18), and the heat dissipation fins (18), the air holes (19) and the air holes (20) are provided in a plurality.