CN219774755U

CN219774755U - Heavy-load gear box

Info

Publication number: CN219774755U
Application number: CN202321297463.XU
Authority: CN
Inventors: 李克艳; 张强; 潘峰
Original assignee: Weishijie Zhejiang Safety Technology Co ltd
Current assignee: Weishijie Zhejiang Safety Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-29
Anticipated expiration: 2033-05-26

Abstract

The utility model provides a heavy-load gear box, which comprises a housin, the inside gear train that is provided with of casing, the casing top surface is provided with the oil tank, oil tank bottom surface intercommunication is provided with multiunit filler pipe, the filler pipe bottom all runs through and extends to inside the casing, multiunit the filler pipe matches the setting with the meshing position between the multiunit gear that the gear train contained respectively, the outside cover of oil tank is equipped with the protective housing, the top surface threaded connection of protective housing and casing installs the gear train through the casing of setting, stores the engine oil through the oil tank that the casing top set up, through the filler pipe and the oil tank bottom surface intercommunication of setting, the filler pipe sets up the meshing department between multiunit gear for lubricating oil can be directed against the drip to the meshing department of gear train, collects unnecessary lubricating oil through the receipts oily subassembly of casing inner bottom, is convenient for clean, through the closing plate between casing one side and the side cap, has further increased the leakproofness that the casing used.

Description

Heavy-load gear box

Technical Field

The utility model relates to a gear box technical field specifically is a heavy-load gear box.

Background

The gearbox is widely applied to wind power generation units, is frequently used in the wind power generation units, is an important mechanical component, and has the main function of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain corresponding rotating speed. The rotation speed of the wind wheel is very low and can not reach the rotation speed required by the power generation of the generator, and the rotation speed is realized through the speed increasing function of a gear pair of the gear box, so the gear box is also called a speed increasing box.

A flat double gear box provided by the publication No. CN114263706B comprises an upper box body, a lower box body, a driving gear mechanism, a first driven gear mechanism, a second driven gear mechanism and an agitating mechanism; the upper box body is sequentially provided with a first upper gear groove, an upper oil storage groove and a second upper gear groove, and a first lower gear groove, a lower oil storage groove and a second lower gear groove are arranged at corresponding positions of the lower box body, so that when the upper box body is buckled with the lower box body, a first gear cavity is formed between the first upper gear groove and the first lower gear groove, an oil storage cavity is formed between the upper oil storage groove and the lower oil storage groove, and a second gear cavity is formed between the second upper gear groove and the second lower gear groove; the driving gear mechanism is movably arranged in the first gear cavity, and is meshed with the first driven gear mechanism, so that the stirring mechanism can be driven to stir in the oil storage cavity, the fluidity of lubricating oil is improved, and the lubricating effect on each bearing in the gear box is realized.

The above device still has the following problems in the implementation:

1. the gear box structure of the device and the prior art is simple, a matched oiling structure is not arranged in the gear box, lubricating oil is required to be added to an internal gear every time the gear box operates for a period of time, so that the gear box can smoothly operate, when the existing gear box is used for oiling, the lubricating oil is inconvenient to directly inject to the meshing connection position between the gears, the oiling efficiency is low, and waste exists;

2. the existing gear box is internally provided with a plurality of collection assemblies for redundant oil after gear oiling, lubricating oil drops into the gear box to cause oil leakage, the sealing performance of the existing gear box side cover and the shell part is poor, the oil leakage can cause the shell to be externally stained with engine oil, and the using effect is reduced.

Disclosure of Invention

An object of the present utility model is to provide a heavy-duty gearbox to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the heavy-load gear box comprises a shell, wherein a gear set is arranged in the shell, an oil tank is arranged on the top surface of the shell, a plurality of groups of oil injection pipes are communicated with the bottom surface of the oil tank, the bottom ends of the oil injection pipes extend into the shell in a penetrating mode, the plurality of groups of oil injection pipes are arranged in a matching mode with meshing positions among a plurality of groups of gears contained in the gear set respectively, a protective shell is sleeved outside the oil tank, and the protective shell is in threaded connection with the top surface of the shell;

the oil collecting device is characterized in that one side of the shell is connected with a side cover in a threaded manner, a sealing plate is slidably connected to the joint of one side of the shell and the inner side of the side cover, an oil collecting component is arranged in the lower position of the gear set in the shell, and the oil collecting component is matched with the gear set.

Preferably, two groups of mounting plates are fixedly mounted on two sides of the protective shell, screws are symmetrically screwed on the mounting plates, the bottoms of the screws penetrate through the mounting plates to be in threaded connection with two sides of the top of the shell, the oil tank is arranged inside the protective shell in a matched mode, a connecting pipe used for communicating an external oil pipe is communicated with one side of the oil tank, and a sealing gasket is arranged at the joint of the connecting pipe and the oil tank.

Preferably, one end of the connecting pipe penetrates through the outer portion of the protective shell, the connecting pipe is provided with a control valve, the top cover is fixedly arranged at the top of the oil tank through screw threads, and a sealing ring is arranged at the joint of the bottom surface of the top cover and the top of the oil tank.

Preferably, four corners of the side cover are in threaded connection with the shell through fixing pins, through holes matched with the driving shafts are formed in the side cover, a tight abutting block is fixedly mounted on the lower portion of the inner side of the side cover, and the tight abutting block is matched with the oil collecting assembly in a fitting mode.

Preferably, the oil collecting assembly comprises an oil collecting shell, an oil falling cavity and a collecting plate, wherein the oil falling cavity is communicated with the collecting plate, the oil falling cavity is clamped at the top of the oil collecting shell, an inclined leakage groove is formed in the oil falling cavity, and the collecting plate is slidably connected to the inner bottom of the oil collecting shell.

Preferably, sliding grooves are symmetrically formed in two sides of the inner bottom of the oil collecting shell, sliding blocks are fixedly arranged on two sides of the bottom surface of the collecting plate, and the sliding blocks are in sliding clearance fit with the sliding grooves;

the oil collecting device is characterized in that an oil collecting groove is formed in the upper surface of the collecting plate, a pull plate is fixedly arranged on one side of the collecting plate, a concave handle is arranged on the pull plate, and redundant oil on the outer surface of the gear after oil injection falls into the oil collecting groove through an oil falling cavity to be collected.

Preferably, a plate body notch is symmetrically formed in one side of the shell, the sealing plate is slidably connected inside the plate body notch, and a fitting notch matched with the sealing plate is symmetrically formed in the inner side of the side cover;

the elastic connecting assembly comprises a first rod and a second rod, and the second rod is connected in the first rod in a sliding mode.

Preferably, an elastic piece is fixedly connected between the inner wall of the first rod and one end of the second rod, and the second rod generates elastic force through the elastic piece, so that the sealing plate generates elastic abutting sealing performance;

the utility model discloses a sealing plate, including the body notch, pole one-to-one evenly distributed equidistance is connected in the inside of plate body notch, the one end of pole two all with one side fixed connection of closing plate.

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

1. the gear set is installed through the shell, the disassembly is simple through the side cover which is connected with the shell through the threads, the engine oil is stored through the oil tank which is arranged at the top of the shell, the top of the oil tank is provided with the top cover which is connected with the shell through the threads, and a worker can conveniently disassemble the side cover and the top cover in maintenance operation to inspect and repair the internal components of the gear box, so that the efficiency of the maintenance operation is improved;

2. the oil injection pipe is communicated with the bottom surface of the oil tank, and the oil injection pipe is arranged at the meshing position among the plurality of groups of gears, so that lubricating oil can drop at the meshing position of the corresponding gear set, and the lubricating operation is more convenient and rapid;

3. the oil collecting assembly at the inner bottom of the shell is used for collecting redundant lubricating oil, and the collected lubricating oil slides into the oil collecting groove of the collecting plate through the inclined oil leakage groove of the oil falling cavity, so that the cleaning is convenient;

4. the sealing plate between one side of the shell and the side cover further increases the sealing performance of the shell, the sealing plate is slidably connected inside the notch of the plate body, and one side of the sealing plate is connected through the elastic connecting assembly, so that the sealing plate has elastic tight sealing performance and is not easy to leak oil;

install the gear train through the casing that sets up, store the engine oil through the oil tank that the casing top set up, through the oiling pipe and the oil tank bottom surface intercommunication that set up, the oiling pipe sets up the meshing department between multiunit gear for lubricating oil can be directed against the drip to the gear train meshing department, collects unnecessary lubricating oil through the receipts oil subassembly of casing inner bottom, is convenient for clean, through the closing plate between casing one side and the limit lid, has further increased the leakproofness that the casing used, is difficult for producing the condition of oil leak.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 3 is a schematic view of a front view of a portion of the fuel tank of the present utility model;

FIG. 4 is a schematic view of a front view of a portion of the oil receiving assembly according to the present disclosure;

fig. 5 is a partially exploded view of the sealing plate of the present utility model.

In the figure: 1. a housing; 2. a gear set; 3. an oil tank; 301. a connecting pipe; 302. a control valve; 303. a top cover; 4. a filler pipe; 5. a protective shell; 6. a side cover; 601. a through hole; 602. a tightening block; 7. a sealing plate; 8. an oil receiving assembly; 801. an oil receiving shell; 802. an oil falling cavity; 803. a collection plate; 9. a mounting plate; 10. a screw; 11. a fixing pin; 12. a chute; 13. a slide block; 14. an oil gathering groove; 15. pulling a plate; 16. a notch of the plate body; 17. an elastic connection assembly; 1701. a first rod; 1702. and a second rod.

Detailed Description

The technical solutions of the present embodiments will be clearly and completely described below with reference to the drawings in the present embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments herein, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

embodiment one:

the utility model provides a heavy-load gear box, including casing 1, casing 1 is inside to be provided with gear train 2, casing 1 top surface is provided with oil tank 3, oil tank 3 bottom surface intercommunication is provided with multiunit oil pipe 4, the oil pipe 4 bottom all runs through and extends to casing 1 inside, multiunit oil pipe 4 matches the setting with the meshing position between the multiunit gear that gear train 2 contained respectively, the outside cover of oil tank 3 is equipped with protective housing 5, protective housing 5 and casing 1's top surface threaded connection, the mode of spiro union makes the staff dismantle side cover 6 in the maintenance operation and carries out the inspection maintenance of internal components conveniently;

the side cover 6 is connected to one side of the shell 1 in a threaded manner, the sealing plate 7 is slidably connected to the joint of one side of the shell 1 and the inner side of the side cover 6, the oil collecting assembly 8 is arranged at the position, below the gear set 2, inside the shell 1, of the shell 1, the oil collecting assembly 8 is matched with the gear set 2, two groups of mounting plates 9 are fixedly arranged on two sides of the protective shell 5, screws 10 are symmetrically screwed on the mounting plates 9, the bottom ends of the screws 10 penetrate through the mounting plates 9 and are in threaded connection with two sides of the top of the shell 1, the oil tank 3 is matched and arranged inside the protective shell 5, a connecting pipe 301 for communicating an external oil pipe is arranged on one side of the oil tank 3 in a communicating manner, and a sealing gasket is arranged at the joint of the connecting pipe 301 and the oil tank 3, so that the protective shell 5 is convenient to detach and install in a threaded connection manner;

one end of the connecting pipe 301 extends to the outside of the protective shell 5 in a penetrating way, a control valve 302 is arranged on the connecting pipe 301, a top cover 303 is fixedly connected to the top of the oil tank 3 through screw threads, a sealing ring is arranged at the joint of the bottom surface of the top cover 303 and the top of the oil tank 3, the connecting pipe 301 is convenient for connecting an external oiling main pipeline, an oiling pipe 4 is communicated with the bottom surface of the oil tank 3, and the oiling pipe 4 is arranged at the joint between a plurality of groups of gears, so that lubricating oil can drop at the joint of the gear sets in a targeted manner, and the lubricating operation is more convenient and rapid;

four corners of the side cover 6 are in threaded connection with the shell 1 through fixing pins 11, through holes 601 matched with the driving shaft are formed in the side cover 6, a tight supporting block 602 is fixedly arranged at the lower portion of the inner side of the side cover 6, the tight supporting block 602 is matched with the oil collecting component 8 in a fitting mode, the oil collecting component 8 is tightly supported in the shell 1 through the tight supporting block 602, and the performance is stable.

Embodiment two:

on the basis of the first embodiment, the present embodiment considers that the oil is conveniently and pointedly dripped at the engagement position between the multiple groups of gears only through the multiple groups of oil injection pipes 4 in the first embodiment, so that the use effect of gear lubricating oil is improved, the lubrication operation is completed more rapidly, but the excessive oil on the surface of the gears after the oil dripping lubrication is performed through the lubricating oil, and the situation that the oil leakage is difficult to occur is required to be collected, so that the excessive oil is collected through the arrangement of the oil collecting assembly 8, the leakage of the oil is difficult to occur, the lubricating oil after the collection is convenient to clean, the use effect of the device is improved, the oil collecting assembly 8 comprises an oil collecting shell 801, an oil dropping cavity 802 and a collecting plate 803, the oil dropping cavity 802 is communicated with the collecting plate 803, the oil dropping cavity 802 is clamped at the top of the oil collecting shell 801, inclined oil leakage grooves are formed in the oil dropping cavity 802, the collecting plate 803 is connected to the inner bottom of the oil collecting shell 801 in a sliding mode, sliding grooves 12 are symmetrically formed in two sides of the inner bottom of the oil collecting shell 801, sliding grooves 13 are fixedly arranged on two sides of the bottom surface of the collecting plate 803, and the sliding blocks 13 are in sliding clearance fit with the sliding grooves 12;

the oil collecting groove 14 is formed in the upper surface of the collecting plate 803, the pull plate 15 is fixedly arranged on one side of the collecting plate 803, a concave handle is formed in the pull plate 15, redundant oil on the outer surface of the gear after oil injection falls into the oil collecting groove 14 through the oil falling cavity 802 to be collected, and the collecting plate 803 is convenient to open and draw out in a sliding connection mode to clean the collected oil in the oil collecting groove;

a plate body notch 16 is symmetrically formed in one side of the shell 1, the sealing plate 7 is slidably connected in the plate body notch 16, a fitting notch matched with the sealing plate 7 is symmetrically formed in the inner side of the side cover 6, elastic connecting components 17 are uniformly distributed between the inner side of the plate body notch 16 and one side of the sealing plate 7 at equal intervals, each elastic connecting component 17 comprises a rod I1701 and a rod II 1702, and the rod II 1702 is slidably connected in the rod I1701;

fixedly connected with elastic component between pole one 1701 inner wall and the pole two 1702 one end makes pole two 1702 produce elastic force through the elastic component to make sealing plate 7 produce elasticity and support real leakproofness, pole one 1701 one end evenly distributed equidistance is connected in the inside of plate body notch 16, and the one end of pole two 1702 all with one side fixed connection of sealing plate 7 has further increased the leakproofness that casing 1 used through sealing plate 7, sealing plate 7 sliding connection is inside plate body notch 16, connects one side of sealing plate 7 through elastic connection subassembly 17, makes sealing plate 7 produce elasticity and supports real leakproofness, the difficult circumstances that produces the oil leak.

Working principle: in the using process of the device, the gear set 2 is connected and installed through the shell 1, the side cover 6 is connected to one side of the shell 1 in a screwed mode, the oil tank 3 is arranged at the top of the shell, the protective shell 5 is sleeved outside the oil tank 3, the protective shell 5 is connected with the top surface of the shell 1 in a screwed mode, so that a worker can conveniently detach the side cover 6 and the structure of the top cover 303 in maintenance operation, and the inspection and maintenance of the internal components of the shell 1 are facilitated;

the oil filler pipe 4 is communicated with the bottom surface of the oil tank 3, the oil filler pipe 4 is arranged at the engagement position between the plurality of groups of gears, lubricating oil can be aimed at dripping at the engagement position of the gear sets, the lubricating operation is more convenient and rapid, the oil collecting assembly 8 is arranged, the oil is convenient to collect redundant oil, leakage of the oil is not easy to occur, the redundant oil on the outer surface of the gear after oil filling falls into the oil collecting groove 14 through the oil falling cavity 802 to be collected, one side of the sealing plate 7 is connected through the elastic connecting assembly 17, the sealing plate 7 generates elastic abutting tightness, and the tightness of the shell 1 is enhanced.

It should be noted that, the gear set 2 and the control valve 302 are devices or apparatuses existing in the prior art, or are devices or apparatuses that can be implemented in the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, so they will not be described in detail.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy-load gear box, includes casing (1), casing (1) inside is provided with gear train (2), its characterized in that: the top surface of the shell (1) is provided with an oil tank (3), the bottom surface of the oil tank (3) is communicated with a plurality of groups of oil injection pipes (4), the bottom ends of the oil injection pipes (4) are all penetrated and extended into the shell (1), a plurality of groups of oil injection pipes (4) are respectively matched with the meshing positions of a plurality of groups of gears contained in the gear set (2), a protective shell (5) is sleeved outside the oil tank (3), and the protective shell (5) is in threaded connection with the top surface of the shell (1);

the oil collecting device is characterized in that one side of the shell (1) is connected with the side cover (6) through threads, a sealing plate (7) is slidably connected at the joint of one side of the shell (1) and the inner side of the side cover (6), an oil collecting component (8) is arranged below the gear set (2) inside the shell (1), and the oil collecting component (8) is matched with the gear set (2).

2. A heavy-duty gearbox as set forth in claim 1, wherein: two groups of mounting plates (9) are fixedly arranged on two sides of the protective shell (5), screws (10) are symmetrically screwed on the mounting plates (9), the bottoms of the screws (10) penetrate through the mounting plates (9) to be in threaded connection with two sides of the top of the shell (1), the oil tank (3) is arranged inside the protective shell (5) in a matched mode, a connecting pipe (301) for communicating an external oil pipe is communicated with one side of the oil tank (3), and a sealing gasket is arranged at the joint of the connecting pipe (301) and the oil tank (3).

3. A heavy-duty gearbox as set forth in claim 2, wherein: one end of the connecting pipe (301) penetrates through the outer portion of the protective shell (5), a control valve (302) is arranged on the connecting pipe (301), a top cover (303) is fixedly arranged at the top of the oil tank (3) through screw threads, and a sealing ring is arranged at the joint of the bottom surface of the top cover (303) and the top of the oil tank (3).

4. A heavy-duty gearbox as set forth in claim 1, wherein: four corners of the side cover (6) are in threaded connection with the shell (1) through fixing pins (11), through holes (601) matched with the driving shaft are formed in the side cover (6), a tight supporting block (602) is fixedly arranged at the lower portion of the inner side of the side cover (6), and the tight supporting block (602) is matched with the oil collecting assembly (8).

5. A heavy-duty gearbox as set forth in claim 1, wherein: the oil collecting assembly (8) comprises an oil collecting shell (801), an oil falling cavity (802) and a collecting plate (803), wherein the oil falling cavity (802) is communicated with the collecting plate (803), the oil falling cavity (802) is clamped at the top of the oil collecting shell (801), an inclined leakage groove is formed in the oil falling cavity (802), and the collecting plate (803) is slidably connected to the inner bottom of the oil collecting shell (801).

6. A heavy-duty gearbox as set forth in claim 5, wherein: sliding grooves (12) are symmetrically formed in two sides of the inner bottom of the oil collecting shell (801), sliding blocks (13) are fixedly arranged on two sides of the bottom surface of the collecting plate (803), and the sliding blocks (13) are in sliding clearance fit with the sliding grooves (12);

the oil collecting device is characterized in that an oil collecting groove (14) is formed in the upper surface of the collecting plate (803), a pull plate (15) is fixedly arranged on one side of the collecting plate (803), a concave handle is formed in the pull plate (15), and redundant oil on the outer surface of the gear after oil injection falls into the oil collecting groove (14) through an oil falling cavity (802) to be collected.

7. A heavy-duty gearbox as set forth in claim 1, wherein: a plate body notch (16) is symmetrically formed in one side of the shell (1), the sealing plate (7) is slidably connected inside the plate body notch (16), and a fitting notch matched with the sealing plate (7) is symmetrically formed in the inner side of the side cover (6);

elastic connecting components (17) are uniformly distributed between the inside of the plate body notch (16) and one side of the sealing plate (7), the elastic connecting components (17) comprise a first rod (1701) and a second rod (1702), and the second rod (1702) is connected inside the first rod (1701) in a sliding mode.

8. A heavy-duty gearbox as set forth in claim 7, wherein: an elastic piece is fixedly connected between the inner wall of the first rod (1701) and one end of the second rod (1702), and the second rod (1702) generates elastic force through the elastic piece, so that the sealing plate (7) generates elastic abutting sealing performance;

one end of the rod I (1701) is uniformly distributed and equidistantly connected to the inside of the plate body notch (16), and one end of the rod II (1702) is fixedly connected with one side of the sealing plate (7).