CN114838117B

CN114838117B - Oil leakage prevention transmission case with good lubricating property for transmission part

Info

Publication number: CN114838117B
Application number: CN202210785405.5A
Authority: CN
Inventors: 吴翠红; 郝芯; 赵晶; 王蕾; 高俊鹏
Original assignee: Changchun College of Electronic Technology
Current assignee: Bengbu Zhengnuohe Technology Consulting Service Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-09-02
Anticipated expiration: 2042-07-06
Also published as: CN114838117A

Abstract

The invention discloses an oil-leakage-proof transmission case with good lubricity for transmission parts. , a top cover plate is installed on the upper end of the box body, and long screws are installed on the four peripheral side threads of the top cover plate, and the oil pump is used to provide power for the return of the lubricating oil to the inside of the oil inlet pipe. The lubricating oil collected by the lower line pipe is transported to the output joint, which is convenient to filter the lubricating oil by the oil filter inside the spiral cold pipe and recycle it; The rear end of the cold pipe is threadedly connected to the lower end of the straight pipe, which is convenient for disassembling the spiral cold pipe as a whole and backflushing the internal blockage.

Description

Oil leakage prevention transmission case with good lubricating property for transmission part

Technical Field

The invention relates to the technical field of transmission cases, in particular to an oil leakage prevention transmission case with good lubricating property for a transmission part.

Background

The gearbox is often used in wind generating sets and is an important mechanical component, and the main function of the gearbox is to transmit the power generated by wind energy under the action of wind power to the motor and enable the motor to obtain a corresponding rotating speed; the rotational speed of the wind wheel is usually very low, and must be realized through the acceleration action of the gear pair of the gear box, so the gear box is also called as a speed increasing box; in order to ensure efficient transmission between transmission members, it is often necessary to lubricate the transmission portions to reduce the friction between the rotating members.

The conventional transmission case has poor lubricating property and easy oil leakage, cannot recycle lubricating oil, cannot automatically lubricate a transmission member at a fixed point, and cannot freely adjust the injection angle of the lubricating oil.

Disclosure of Invention

In order to solve the technical problems, the invention provides an oil leakage prevention transmission case with good lubricating property for a transmission part, which comprises a case body, wherein the front end surface of the case body is provided with a transmission tray, four corners of the lower end of the case body are fixedly connected with positioning mounting plates, the upper end of the case body is provided with a top cover plate, long screws are arranged on the peripheral side of the top cover plate in a threaded manner, the top cover plate is installed with a case body bolt through the long screws, the right end surface of the case body is provided with a transmission switching plate, the middle parts of the transmission tray and the transmission switching plate are respectively provided with a bearing, the left end of the case body is provided with an oil pump through a short screw, the left end and the rear end surface of the case body are respectively fixedly connected with a plurality of groups of fixing sleeves, the left end surface of the case body is provided with an external circulation pipe, the internal circulation pipe is arranged at the inner side corner position of the case body and comprises a horizontal pipe, the left end of the horizontal pipe is connected with a bent pipe, the right end of the horizontal guide pipe is connected with an input connector, the horizontal guide pipe is assembled and installed with the box body through a fixing sleeve, the lower end of the bent pipe is connected with a straight-through pipe, the spiral cold pipe is connected to the lower end of the bent pipe through the straight-through pipe, and the front end of the spiral cold pipe is connected with an output connector;

the inner circulation pipe fitting comprises an oil conveying inlet pipe, the left side of the upper end of the oil conveying inlet pipe is connected with an upper oil inlet pipe, the left side of the lower end of the oil conveying inlet pipe is connected with a lower oil outlet pipe, an oil conveying outlet pipe is connected between the upper oil inlet pipe and the lower oil outlet pipe and positioned at the diagonal position of the oil conveying inlet pipe, central ball joints are mounted on the upper oil inlet pipe and the lower oil outlet pipe, and lubricating components are mounted on the inner sides of the central ball joints;

the lubricating assembly comprises a bladder, a nozzle is mounted on the outer surface of the bladder, a flexible rubber tube is connected to the outer surface of the bladder and the longitudinal vertical position of the nozzle, a filter ball is mounted inside the bladder, the bladder is located inside a central ball joint and mounted, and a cross-shaped groove cavity is formed in one side of the outer surface, corresponding to the nozzle.

Preferably, the side of box upper end surface is close to interior limit side and opens and is equipped with the blank holder groove, lamina tecti lower extreme surface middle part fixedly connected with closing plate, the lamina tecti passes through closing plate and blank holder groove cooperation and box gomphosis installation.

Preferably, the left end surface of the box body and the position corresponding to the outer circulation pipe fitting are provided with grooves, the outer circulation pipe fitting is arranged on the outer side of the box body in an embedded mode through the grooves, the corner position of the inner side wall of the box body and the inner circulation pipe fitting are correspondingly provided with pipe clamping slots, and the inner circulation pipe fitting is arranged on the inner side of the box body in an embedded mode through the pipe clamping slots.

Preferably, the outer surface of the ball bladder is attached to the inner side wall of the central ball joint, the ball bladder is connected and installed with the upper drainage pipe through a soft rubber pipe, the nozzle is matched with the cross-shaped groove cavity formed in the surface of the central ball joint, and the rear end of the nozzle penetrates through the ball bladder and is communicated with the filter ball.

Preferably, the rear side of the upper end of the oil transportation inlet pipe is connected with a butt joint, and the oil transportation inlet pipe is communicated with the horizontal guide pipe through the matching of the butt joint and the input joint.

Preferably, the oil delivery outlet pipe is connected with an oil outlet pipe on the left side of the lower end of the oil delivery outlet pipe, and the oil delivery outlet pipe is communicated with the spiral cold pipe through the matching of the oil outlet pipe and the output connector.

Preferably, the corner of going up spool and lower spool all installs the corner ball joint, the corner ball joint surface just is connected with the check valve towards the inboard of box, the check valve is used for collecting lubricating oil.

Preferably, the turning pipe is communicated with the oil pump through a straight pipe, an oil filter screen is installed on the inner side of the spiral cold pipe, the front end of the spiral cold pipe is in threaded connection with the rear end of the output connector, and the rear end of the spiral cold pipe is in threaded connection with the lower end of the straight pipe.

Preferably, an oil feeding pipeline is connected to the outer surface of the oil pump close to the rear side and used for feeding new lubricating oil.

The invention provides an oil leakage prevention transmission case with good lubricating property for a transmission part. The method has the following beneficial effects:

1. according to the oil leakage prevention transmission case with good lubricating property for the transmission part, the oil pump provides power for the lubricating oil to flow back to the inner side of the oil delivery inlet pipe, and meanwhile the lubricating oil collected by the oil delivery outlet pipe and the lower exhaust pipe is conveyed to the output joint, so that the lubricating oil is conveniently filtered by using an oil filter screen inside the spiral cooling pipe and is recycled; the front end of the spiral cold pipe is in threaded connection with the rear end of the output connector, and the rear end of the spiral cold pipe is in threaded connection with the lower end of the straight-through pipe, so that the spiral cold pipe is integrally detached conveniently, and internal blockages are reversely flushed.

2. This a leak protection oil transmission case that is used for good lubricity of driving medium, helical structure through the cold pipe of spiral effectively prolongs the conduction route of lubricating oil, prolongs the contact time of lubricating oil and outside air, enlarges the area of contact of lubricating oil and air, and at lubricating oil by cyclic transmission's in-process, the realization is to the cooling and the filtration of lubricating oil to this guarantee lubricating oil is to the high-efficient lubrication action of driving medium.

3. This a leak protection oil transmission case that is used for good lubricity of driving medium all installs lubricated subassembly through four azimuths on last spool and the lower spool for the nozzle can be the benchmark of rotatory activity by the center of bladder, rotates the regulation at the cross vallecular cavity inboard at will, changes the different injection angle of nozzle with this, realizes to driving medium multi-angle regulation and fixed point lubrication function all around.

4. This a leak protection oil transmission case that lubricity is good for driving medium, through corner ball joint surface and towards one side of box and be connected with the check valve, the accessible check valve will collect the inboard lubricating oil of box and carry out one-way collection for in the automatic circulation route of participating in extrinsic cycle pipe fitting and inner loop pipe fitting of lubricating oil that has used, practice thrift lubricating oil materials cost.

Drawings

FIG. 1 is a schematic view of an assembled structure of a box body and a top cover plate according to the present invention;

FIG. 2 is a schematic view of an external structure of an oil leakage prevention transmission case with good lubricity for a transmission member according to the present invention;

FIG. 3 is a schematic view of the structure of the external circulation pipe of the present invention;

FIG. 4 is a schematic view of the structure of the internal circulation pipe of the present invention;

FIG. 5 is a schematic view of the construction of the lubrication assembly of the present invention;

FIG. 6 is a schematic view of the internal structure of the bladder of the present invention;

fig. 7 is a schematic structural view of the top cover plate of the present invention.

In the figure: 1. a box body; 2. carrying out transmission disc loading; 3. positioning and assembling a plate; 4. an oil pump; 5. fixing a sleeve; 6. a top cover plate; 7. an outer circulation pipe fitting; 71. a horizontal conduit; 72. bending the pipe; 73. a spiral cold pipe; 74. an output connector; 75. an input connector; 8. an internal circulation pipe fitting; 81. an oil transportation inlet pipe; 82. a butt joint; 83. an upper wiring pipe; 84. an oil delivery outlet pipe; 85. a lower discharge pipe; 86. a central ball joint; 87. a corner ball joint; 88. a lubrication assembly; 881. a bladder; 882. a nozzle; 883. a soft rubber tube; 884. filtering balls; 89. a cross-shaped slot cavity; 9. a long screw; 10. a blank holder groove; 11. and (7) sealing the plate.

Detailed Description

Example 1

As shown in fig. 1, fig. 2 and fig. 7, the present invention provides a technical solution: an oil leakage prevention transmission case with good lubricating property for a transmission part comprises a case body 1, wherein a transmission tray 2 is arranged on the surface of the front end of the case body 1, four corners of the lower end of the case body 1 are fixedly connected with positioning trays 3, a top cover plate 6 is arranged at the upper end of the case body 1, long screws 9 are arranged on the peripheral side threads of the top cover plate 6, the top cover plate 6 is mounted with bolts of the case body 1 through the long screws 9, a transmission switching disc is arranged on the surface of the right end of the case body 1, bearings are arranged in the middle of the transmission tray 2 and the transmission switching disc, an oil pump 4 is arranged at the left end of the case body 1 through short screws, a plurality of groups of fixing sleeves 5 are fixedly connected on the surfaces of the left end and the rear end of the case body 1, an external circulation pipe fitting 7 is arranged on the surface of the left end of the case body 1, and an internal circulation pipe fitting 8 is arranged at the angular position of the internal side of the case body 1; a blank holder groove 10 is formed in the upper end surface of the box body 1 close to the inner edge, a sealing plate 11 is fixedly connected to the middle of the lower end surface of the top cover plate 6, and the top cover plate 6 is installed in an embedded mode with the box body 1 through the matching of the sealing plate 11 and the blank holder groove 10; the left end surface of the box body 1 and the position corresponding to the outer circulation pipe fitting 7 are provided with grooves, the outer circulation pipe fitting 7 is arranged in the outer side embedded installation of the box body 1 through the grooves, the corner position of the inner side wall of the box body 1 and the position corresponding to the inner circulation pipe fitting 8 are provided with pipe clamping line grooves, and the inner circulation pipe fitting 8 is arranged in the inner side embedded installation of the box body 1 through the pipe clamping line grooves.

During the use, after the bearing through transmission sabot 2 and transmission switching dish mid-mounting connects transmission parts at box 1 inboard, adjust nozzle 882 in the lubrication assembly 88, correspond appointed lubricated position, correspond blank holder 10 gomphosis through closing plate 11, install roof plate 6 in box 1 upper end via long screw 9 bolt, with box 1 internal seal, be connected oil pipeline and the oil filling pipeline of oil pump 4 rear side afterwards, start oil pump 4 and carry through the inside and outside circulation of extrinsic cycle pipe fitting 7 and intrinsic cycle pipe fitting 8, make lubricating oil be carried to the position of treating the lubrication by nozzle 882, make transmission case internal transmission spare be in good transmission state, and the outward phenomenon of oil leak can not appear.

Example 2

As shown in fig. 1, 2 and 3, the external circulation pipe member 7 includes a horizontal conduit 71, the left end of the horizontal conduit 71 is connected with a bent pipe 72, the right end of the horizontal conduit 71 is connected with an input joint 75, the horizontal conduit 71 is assembled with the box body 1 through a fixing sleeve 5, the lower end of the bent pipe 72 is connected with a straight pipe, and a spiral cold pipe 73 connected to the lower end of the bent pipe 72 through the straight pipe, the front end of the spiral cold pipe 73 is connected with an output joint 74; the bent pipe 72 is communicated with the oil pump 4 through the straight pipe, an oil filter screen is arranged on the inner side of the spiral cold pipe 73, the front end of the spiral cold pipe 73 is in threaded connection with the rear end of the output joint 74, and the rear end of the spiral cold pipe 73 is in threaded connection with the lower end of the straight pipe; the outer surface of the oil pump 4 is connected with an oil feeding pipeline close to the rear side, and the oil feeding pipeline is used for adding new lubricating oil.

When the spiral cooling pipe 73 is used, the oil pump 4 provides power for the lubricating oil to flow back to the inner side of the oil delivery inlet pipe 81, and meanwhile the lubricating oil collected by the oil delivery outlet pipe 84 and the lower discharge pipe 85 is conveyed into the output joint 74, so that the lubricating oil is conveniently filtered by an oil filter screen in the spiral cooling pipe 73 and recycled; wherein, the front end of the spiral cold pipe 73 is connected with the rear end of the output joint 74 by screw thread, the rear end of the spiral cold pipe 73 is connected with the lower end of the straight-through pipe by screw thread, so that the spiral cold pipe 73 can be detached integrally, and the inner blockage can be washed reversely;

the spiral structure of the spiral cold pipe 73 effectively prolongs the conduction path of the lubricating oil, prolongs the contact time of the lubricating oil and the outside air, enlarges the contact area of the lubricating oil and the air, and realizes the cooling and filtration of the lubricating oil in the process of circularly transmitting the lubricating oil, thereby ensuring the high-efficiency lubricating effect of the lubricating oil on the transmission part.

Example 3

As shown in fig. 1, 4, 5 and 6, the internal circulation pipe 8 includes an oil delivery inlet pipe 81, an upper discharge pipe 83 is connected to the left side of the upper end of the oil delivery inlet pipe 81, a lower discharge pipe 85 is connected to the left side of the lower end of the oil delivery inlet pipe 81, an oil delivery outlet pipe 84 is connected between the upper discharge pipe 83 and the lower discharge pipe 85 and located at an oblique diagonal position of the oil delivery inlet pipe 81, a central ball joint 86 is mounted on each of the upper discharge pipe 83 and the lower discharge pipe 85, and a lubricating assembly 88 is mounted on the inner side of the central ball joint 86; the lubricating component 88 comprises a bladder 881, a nozzle 882 is arranged on the outer surface of the bladder 881, a soft rubber tube 883 is connected on the outer surface of the bladder 881 and is vertically arranged with the nozzle 882, a filter ball 884 is arranged in the bladder 881, the bladder 881 is arranged at the inner side of the central ball joint 86, and a cross-shaped groove 89 is arranged on one side of the outer surface corresponding to the nozzle 882; the outer surface of the bladder 881 is attached to the inner side wall of the central ball joint 86, the bladder 881 is connected and mounted with the upper exhaust pipe 83 through a soft rubber pipe 883, the nozzle 882 is matched with a cross-shaped groove cavity 89 formed on the surface of the central ball joint 86, and the rear end of the nozzle 882 penetrates through the bladder 881 and is communicated with the filter ball 884; the rear side of the upper end of the oil transportation inlet pipe 81 is connected with a butt joint 82, and the oil transportation inlet pipe 81 is communicated with the horizontal conduit 71 through the matching of the butt joint 82 and the input joint 75; the left side of the lower end of the oil delivery outlet pipe 84 is connected with an oil outlet pipe, and the oil delivery outlet pipe 84 is communicated with the spiral cold pipe 73 through the matching of the oil outlet pipe and the output joint 74; corner ball joints 87 are arranged at the corners of the upper and lower exhaust pipes 83 and 85, and one-way valves are connected to the outer surfaces of the corner ball joints 87 and the inner sides of the box bodies 1 and used for collecting lubricating oil.

When the device is used, the lubricating assemblies 88 are arranged in four directions on the upper wiring pipe 83 and the lower wiring pipe 85, so that the nozzle 882 can be freely rotated and adjusted at the inner side of the cross-shaped groove cavity 89 by taking the center of the bladder 881 as a reference point for rotary movement, and different injection angles of the nozzle 882 are changed, so that the multi-angle adjustment and fixed-point lubrication functions on the periphery of a transmission piece are realized;

one side of the outer surface of the corner ball joint 87, which faces the box body 1, is connected with a one-way valve, so that the lubricating oil collected in the box body 1 can be collected in a one-way mode through the one-way valve, the used lubricating oil can automatically participate in the circulation routes of the outer circulation pipe fitting 7 and the inner circulation pipe fitting 8, and the cost of lubricating oil materials is saved;

through the setting of recess and card pipe groove, effective extrinsic cycle pipe fitting 7 and 8 gomphosis of inner loop pipe fitting are installed in the outside and the inboard of box 1, when reducing the whole occupation space of transmission case, arrange the laminating of inner loop pipe fitting 8 on the 1 inside wall of box, reduce the effective occupancy that inner loop pipe fitting 8 is located the inboard space of box 1, avoid disturbing the normal transmission between the driving medium.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a leak protection oil transmission case that lubricity is good for driving medium specifically includes box (1), box (1) front end surface is provided with transmission sabot (2), the equal fixedly connected with location sabot (3) in box (1) lower extreme four corners, lamina tecti (6) are installed to box (1) upper end, long screw (9) are installed to the avris screw thread all around of lamina tecti (6), lamina tecti (6) are through long screw (9) and box (1) bolt installation, box (1) right-hand member surface mounting has the transmission switching dish, just the bearing, its characterized in that are all installed at the middle part of transmission sabot (2) and transmission switching dish: an oil pump (4) is installed at the left end of the box body (1) through a short screw, a plurality of groups of fixing sleeves (5) are fixedly connected to the surfaces of the left end and the rear end of the box body (1), an outer circulating pipe fitting (7) is installed on the surface of the left end of the box body (1), an inner circulating pipe fitting (8) is installed at the position of the edge of the inner side of the box body (1), the external circulation pipe fitting (7) comprises a horizontal guide pipe (71), the left end of the horizontal guide pipe (71) is connected with a bending pipe (72), the right end of the horizontal conduit (71) is connected with an input joint (75), the horizontal conduit (71) is assembled with the box body (1) through a fixed sleeve (5), the lower end of the bent pipe (72) is connected with a straight pipe, the spiral cold pipe (73) is connected to the lower end of the bent pipe (72) through a straight pipe, and the front end of the spiral cold pipe (73) is connected with an output joint (74);

the inner circulation pipe fitting (8) comprises an oil conveying inlet pipe (81), the left side of the upper end of the oil conveying inlet pipe (81) is connected with an upper exhaust pipe (83), the left side of the lower end of the oil conveying inlet pipe (81) is connected with a lower exhaust pipe (85), an oil conveying outlet pipe (84) is connected between the upper exhaust pipe (83) and the lower exhaust pipe (85) and is positioned at the diagonal position of the oil conveying inlet pipe (81), central ball joints (86) are mounted on the upper exhaust pipe (83) and the lower exhaust pipe (85), and a lubricating component (88) is mounted on the inner side of each central ball joint (86);

lubricated subassembly (88) includes ball (881), ball (881) surface mounting has nozzle (882), ball (881) surface and be connected with soft glue pipe (883) with nozzle (882) vertical vertically position, ball (881) internally mounted has filter bowl (884), ball (881) is located the inboard installation of central ball joint (86), cross slot chamber (89) have been seted up to the surface and one side that corresponds nozzle (882).

2. An oil leakage preventing transmission case for transmission member having good lubricity according to claim 1, characterized in that: the side is opened and is equipped with blank holder groove (10) to box (1) upper end surface near interior limit, lamina tecti (6) lower extreme surface middle part fixedly connected with closing plate (11), lamina tecti (6) are through closing plate (11) and blank holder groove (10) cooperation and box (1) gomphosis installation.

3. An oil leakage preventing transmission case for transmission member having good lubricity according to claim 2, characterized in that: the utility model discloses a box, including box (1), outer circulation pipe fitting (7), card pipe casing, inner loop pipe fitting (8), box (1) left end surface just sets up flutedly with the corresponding position of outer circulation pipe fitting (7), outer circulation pipe fitting (7) are located the outside gomphosis installation of box (1) through the recess, the corner position of box (1) inside wall just has seted up card pipe casing with inner loop pipe fitting (8) is corresponding, inner loop pipe fitting (8) are located the inboard gomphosis installation of box (1) through card pipe casing.

4. An oil leakage preventing transmission case for a transmission member having excellent lubricity according to claim 3, characterized in that: the utility model discloses a ball, including ball, ball and socket (881) surface and central ball joint (86) inside wall are laminated mutually, just ball and socket (881) is connected the installation through flexible glue pipe (883) and last spool (83), cross vallecular cavity (89) looks adaptation that nozzle (882) and central ball joint (86) surface were seted up, nozzle (882) rear end runs through ball and socket (881) and is linked together with filter ball (884).

5. An oil leakage preventing transmission case for transmission member having good lubricity according to claim 4, characterized in that: the rear side of the upper end of the oil transportation inlet pipe (81) is connected with a butt joint (82), and the oil transportation inlet pipe (81) is communicated with the horizontal guide pipe (71) through the matching of the butt joint (82) and the input joint (75).

6. An oil leakage preventing transmission case for a transmission member having excellent lubricity according to claim 5, characterized in that: the left side of the lower end of the oil delivery outlet pipe (84) is connected with an oil outlet pipe, and the oil delivery outlet pipe (84) is communicated with the spiral cold pipe (73) through the matching of the oil outlet pipe and the output connector (74).

7. An oil leakage preventing transmission case for a transmission member having excellent lubricity according to claim 6, wherein: corner ball joints (87) are installed at corners of the upper exhaust pipe (83) and the lower exhaust pipe (85), one-way valves are connected to the outer surfaces of the corner ball joints (87) and the inner sides of the box bodies (1), and the one-way valves are used for collecting lubricating oil.

8. An oil leakage preventing transmission case for a transmission member having excellent lubricity according to claim 7, characterized in that: the oil pump is characterized in that the bent pipe (72) is communicated with the oil pump (4) through the straight-through pipe, an oil filter screen is installed on the inner side of the spiral cold pipe (73), the front end of the spiral cold pipe (73) is in threaded connection with the rear end of the output connector (74), and the rear end of the spiral cold pipe (73) is in threaded connection with the lower end of the straight-through pipe.

9. An oil leakage preventing transmission case for a transmission member having excellent lubricity according to claim 8, wherein: and an oil feeding pipeline is connected to the outer surface of the oil pump (4) close to the rear side and is used for adding new lubricating oil.