CN212657217U - Speed reducer leak protection oil cap device of two roof beam portal cranes - Google Patents
Speed reducer leak protection oil cap device of two roof beam portal cranes Download PDFInfo
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- CN212657217U CN212657217U CN202020753972.9U CN202020753972U CN212657217U CN 212657217 U CN212657217 U CN 212657217U CN 202020753972 U CN202020753972 U CN 202020753972U CN 212657217 U CN212657217 U CN 212657217U
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- speed reducer
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Abstract
The utility model discloses a speed reducer oil leakage prevention cover device of a double-beam gantry crane, which comprises a cover body and a speed reducer body; the cover body covers an oil inlet of the speed reducer body; the top of the cover body is provided with a communicating hole; the cover body comprises an air bag and a sliding cover structure; the sliding cover structure is communicated with the outside through a communication hole; the air bag is communicated with the interior of the speed reducer body through an air inlet and is sealed; the air bag is expanded, and the air bag top drive sliding cover structure is in butt joint communication with the air inlet; the sliding cover structure seals the speed reducer body. The utility model provides a speed reducer leak protection oil cap device of two roof beam portal cranes can effectively prevent that the portal crane from taking place the phenomenon of speed reducer oil leak when the operation, practices thrift the maintenance cost, improves work efficiency.
Description
Technical Field
The utility model relates to a portal crane field especially relates to speed reducer leak protection oil field.
Background
In the activities of conquering and reforming nature by human, the hoisting machinery helps human to realize the hoisting and moving of large objects; in the development of the modern society, the machine manufacturing industry develops rapidly, and has huge market and good economy; the material handling by the hoisting machinery is also an important component in production and manufacturing; during the operation of the hoisting system, problems often occur, for example, a speed reducer in the hoisting system often leaks oil, the maintenance cost is increased, and the working efficiency of the hoisting system is also affected.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a two roof beam portal crane's speed reducer leak protection oil cap device can prevent effectively that the portal crane from taking place the phenomenon of speed reducer oil leak when the operation, practices thrift the maintenance cost, improves work efficiency.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
an oil leakage prevention cover device of a speed reducer of a double-beam gantry crane comprises a cover body and a speed reducer body; the cover body covers an oil inlet of the speed reducer body; the top of the cover body is provided with a communicating hole; the cover body comprises an air bag and a sliding cover structure; the sliding cover structure is communicated with the outside through a communication hole; the air bag is communicated with the interior of the speed reducer body through an air inlet and is sealed; the air bag is expanded, and the air bag top drive sliding cover structure is in butt joint communication with the air inlet; the sliding cover structure seals the speed reducer body.
Further, the cover body also comprises a column-shaped block structure; a cavity is formed in the columnar block structure; the air bag is arranged in the cavity, and the annular wall of the air inlet of the air bag is fixedly connected with the bottom of the cavity; the top of the air bag is fixedly connected with the top of the cavity through a connecting block; the cavity is communicated with the communicating hole through the air hole; the inside of the air bag is communicated with the inside of the speed reducer body.
Further, an arc-shaped groove is dug in the column-shaped block structure; the communicating hole is communicated with the inside of the speed reducer body through the arc-shaped groove; the sliding cover structure comprises an arc-shaped sliding pipe structure; the arc-shaped sliding pipe structure is embedded in the arc-shaped groove and seals the speed reducer body; the arc-shaped sliding pipe structure is a flexible tubular structure.
Furthermore, one end of the arc-shaped sliding tube structure is fixedly connected with a pushing structure; the other end of the arc-shaped sliding pipe structure is fixedly provided with a filling structure and is communicated with the inside of the filling structure; the air bag is expanded, the air bag pushes the pushing structure, and the pushing structure drives the arc-shaped sliding pipe structure to push the filling structure; the filling structure is used for filling and blocking the air inlet, and the interior of the filling structure is communicated with the interior of the air bag.
Further, the pushing structure comprises a curved plate and a sliding structure; the sliding structure comprises a sliding column, a fixed block and a spring; one end of the sliding column is fixedly connected with the arc-shaped sliding pipe structure, and a vent hole is formed in the connecting part of the sliding column and the arc-shaped sliding pipe structure; the other end of the sliding column is fixed with the convex surface of the curved plate; the concave surface of the curved plate is embedded and attached to the side wall of the air bag; a moving groove is formed in the column-shaped block structure above the sliding column; the top of the sliding column is fixedly provided with a fixed block, and the fixed block is positioned on one side, far away from the cavity, in the moving groove; and a spring is arranged between the fixed block and the side wall of the movable groove close to the cavity.
Further, the filling structure comprises a guide plate; a slotted hole is formed in the guide plate; one end of the guide plate is connected with the arc-shaped sliding pipe structure, and the groove hole is communicated with the interior of the arc-shaped sliding pipe structure; the other end of the guide plate is fixedly provided with a magnetic block; the magnetic block corresponds to the magnet arranged at the bottom of the columnar block structure; the top of one end of the guide plate, which is provided with the magnetic block, is provided with a communicating port; the guide plate slides in an opening formed in the bottom of the columnar block structure through the guide rail, the magnetic block is correspondingly attached to the magnet in an absorbing mode, and the connecting opening is communicated with the air inlet.
Has the advantages that: the utility model can effectively exhaust and radiate the speed reducer, improve the working efficiency and save the maintenance cost; including but not limited to the following technical effects:
1) the air bag is communicated with the interior of the speed reducer, and power is generated by the driving force generated by inflating the air bag through high pressure in the speed reducer, so that resources can be saved, and the effects of exhausting and radiating can be achieved;
2) the sliding cover structure is intermittently communicated with the air bag to exhaust air in a push-pull mode, so that the circulation of air inflation and exhaust can effectively prevent the oil leakage in the speed reducer due to high temperature and high pressure, and the normal operation of the speed reducer is ensured.
Drawings
FIG. 1 is a sectional view of a gantry crane;
FIG. 2 is a cross-sectional view of a reducer;
FIG. 3 is a semi-screenshot of the cover;
FIG. 4 is a cross-sectional view of a slider structure;
FIG. 5 is a cross-sectional view of the push structure;
FIG. 6 is a cross-sectional view of the packing structure;
FIG. 7 is a cross-sectional view of a guide plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-7: an oil cap leakage prevention device for a speed reducer of a double-beam gantry crane comprises a cover body 1 and a speed reducer body 2; the cover body 1 is covered on an oil inlet of the speed reducer body 2; the top of the cover body 1 is provided with a communicating hole 13; the cover body 1 comprises an air bag 11 and a sliding cover structure 12; the sliding cover structure 12 is communicated with the outside through a communication hole 13; the air bag 11 is communicated with the interior of the speed reducer body 2 through an air inlet 111 and is sealed; the air bag 11 is expanded, and the air bag 11 pushes against the sliding cover structure 12 to be in butt joint with and communicated with the air inlet 111; the sliding closure structure 12 seals the speed reducer body 2. The cover body 1 is covered on the speed reducer body 2, and the air bag 11 is communicated with the interior of the speed reducer body 2 and is sealed; when the speed reducer body 2 operates, the internal air temperature rises, the air pressure increases, the air bag 11 expands, the side wall of the air bag 11 pushes one end of the sliding cover structure 12, the other end of the sliding cover structure 12 moves to an air inlet of the air bag 11, the air in the air bag 11 is discharged to the outside through the sliding cover structure 12 and a communication hole 13 communicated with the sliding cover structure 12, and in the process of exhausting through the sliding cover structure 12, the communication end of the sliding cover structure 12 seals the inside of the speed reducer body 2; the design can guarantee the normal operation of the speed reducer body 2 and can achieve the purpose of ventilation and heat exchange, and the oil leakage caused by the internal overheating pressurization of the speed reducer during operation can be effectively prevented.
The cover 1 further comprises a cylindrical block structure 17; a cavity 14 is formed in the column-shaped block structure 17; the air bag 11 is arranged in the cavity 14, and the annular wall of the air inlet 111 of the air bag 11 is fixedly connected with the bottom of the cavity 14, so that the connection between the interior of the speed reducer body 2 and the air bag 11 can be ensured, and the air in the speed reducer body 2 cannot flow into the cavity 14, so that the interior of the speed reducer body 2 reaches an environment which tends to be sealed; the top of the airbag 11 is fixedly connected with the top of the cavity 14 through a connecting block 112, when the airbag 11 contracts, the airbag does not collapse and pile at the air inlet 111, but extends to the air inlet 111 from the top of the cavity 14 in a strip shape, and meanwhile, the inflation and the expansion of the airbag 11 are facilitated; the cavity 14 is communicated with the communicating hole 13 through an air hole; the inner part of the air bag 11 is communicated with the inner part of the speed reducer body 2, and when high-temperature air pressure generated in the speed reducer body 2 is increased, the air bag 11 can be supported and expanded, so that the sliding cover structure 12 is pushed to move to be communicated with the air bag 11, and then air is exhausted; the oil leakage of the inside high temperature high pressure of speed reducer can be effectively prevented.
An arc-shaped groove 15 is dug in the column-shaped block structure 17; the communicating hole 13 is communicated with the interior of the speed reducer body 2 through an arc-shaped groove 15; the sliding cover structure 12 comprises an arc-shaped sliding pipe structure 121; the arc-shaped sliding pipe structure 121 is embedded in the arc-shaped groove 15, seals the speed reducer body 2 and blocks the arc-shaped groove 15; the arc-shaped sliding tube structure 121 is a flexible tubular structure. When the airbag 11 expands to push the vent hole 122 arranged at one end of the arc-shaped sliding tube structure 121 to be communicated with the communication hole 13, and the communication hole 413 arranged at the other end of the arc-shaped sliding tube structure 121 moves to the air inlet 111 and is communicated, the air in the airbag 11 can sequentially pass through the arc-shaped sliding tube structure 121 and be discharged through the communication hole 13; when the air bag 11 contracts, the vent hole 122 and the connecting opening 413 are in contact sealing with the side wall of the arc-shaped groove 15, so that the sealing environment in the speed reducer can be ensured.
One end of the arc-shaped sliding tube structure 121 is fixedly connected with a pushing structure 3; the other end of the arc-shaped sliding pipe structure 121 is fixedly provided with a filling structure 4 and is communicated with the inside of the filling structure 4; the air bag 11 is expanded, the air bag 11 pushes the pushing structure 3, the pushing structure 3 drives the arc-shaped sliding tube structure 121 to push the filling structure 4, and the vent hole 122 on the filling structure 4 is communicated with the communication hole 13; the filling structure 4 is used for filling and blocking the air inlet 111, and the interior of the filling structure 4 is communicated with the interior of the air bag 11 through a communication port 413; the purpose of exhausting the air bag 11 can be achieved.
The pushing structure 3 comprises a curved plate 31 and a sliding structure 32; the sliding structure 32 comprises a sliding column 321, a fixed block 322 and a spring 323; one end of the sliding column 321 is fixedly connected to the arc-shaped sliding tube structure 121, a vent hole 122 is formed at the connection position of the sliding column 321 and the arc-shaped sliding tube structure 121, and the vent hole 122 is communicated with the inside of the arc-shaped sliding tube structure 121; the other end of the sliding column 321 is fixed with the convex surface of the curved plate 31; the concave surface of the curved plate 31 is embedded and attached to the side wall of the air bag 11; the stress area is increased, the airbag 11 expands to push the curved plate 31 to drive the sliding structure 32 to move, so that the arc-shaped sliding pipe structure 121 and the filling structure 4 are driven; a moving groove 16 is formed in the column-shaped block structure 17 above the sliding column 321; the top of the sliding column 321 is fixedly provided with a fixed block 322, and the fixed block 322 is positioned at one side of the moving groove 16 far away from the cavity 14; a spring 323 is arranged between the fixed block 322 and the side wall of the moving groove 16 close to the cavity 14; when the air bag 11 is expanded and the sliding structure 32 is pushed, the fixed block 322 also moves, the spring 323 extends, and when the air bag 11 finishes deflation, the spring 323 contracts to pull the sliding structure 32 back to the original position; then waiting for next exhaust; therefore, the effects of exhausting and heat exchanging can be achieved, and the normal operation of the speed reducer is not influenced.
The filling structure 4 includes a guide plate 41; a slotted hole 411 is formed in the guide plate 41; one end of the guide plate 41 is connected with the arc-shaped sliding tube structure 121, and the slot 411 is communicated with the inside of the arc-shaped sliding tube structure 121 to form a ventilation channel; the other end of the guide plate 41 is fixedly provided with a magnetic block 412; the magnetic block 412 corresponds to a magnet arranged at the bottom of the columnar block structure 17; when the end of the guide plate 41 provided with the magnetic block 412 is pushed to the air inlet 111, the magnet and the magnetic block 412 are attracted to each other and close to each other, so that when the air bag 11 is exhausted to a half, the guide plate 41 is pulled back by the spring 323, and when the air bag 11 is exhausted, the pushing force of the guide plate 41 is reduced, and then the guide plate 41 is pulled back to the original position by the spring 323; the top of one end of the guide plate 41 provided with the magnetic block 412 is provided with a through hole 413; the guide plate 41 slides in an opening 43 formed at the bottom of the columnar block structure 17 through a guide rail 42, the magnetic block 412 is correspondingly attached to the magnet, and the connection port 413 is connected with the air inlet 111; the guide plate 41 is pushed to slide in the opening 43 through the guide rail 42, the connection port 413 is connected with the air inlet 111, and the vent hole 122 is connected with the communication hole 13, so that the exhaust effect can be realized, and oil leakage caused by high temperature and high pressure in the speed reducer can be prevented.
The speed reducer operates the internal environment at high temperature and high pressure, causing the air bag 11 to expand, the air bag 11 pushes the sliding structure 32 to drive the arc-shaped sliding pipe structure 121 to slide in the arc-shaped groove 15, thereby driving the guide plate 41 at the other end of the arc-shaped sliding pipe structure 121 to move, the connection port 413 on the guide plate 41 is connected with the air inlet 111, the vent hole 122 on the sliding column 321 is connected with the connection port 13, the exhaust purpose can be achieved, after the air bag 11 exhausts, the thrust is reduced, the spring 323 contracts to pull the sliding column 321 back to the original position, and the next exhaust is waited.
The above description is of the preferred embodiment of the present invention, and it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the principles of the invention, and these modifications and variations are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a speed reducer leak protection oil cap device of two roof beam portal cranes which characterized in that then: comprises a cover body (1) and a speed reducer body (2); the cover body (1) is arranged at an oil inlet of the speed reducer body (2) in a covering mode; the top of the cover body (1) is provided with a communicating hole (13); the cover body (1) comprises an air bag (11) and a sliding cover structure (12); the sliding cover structure (12) is communicated with the outside through a communication hole (13); the air bag (11) is communicated with the interior of the speed reducer body (2) through an air inlet (111) and is sealed; the air bag (11) is expanded, and the air bag (11) pushes against the sliding cover structure (12) to be in butt joint with and communicated with the air inlet (111); the sliding cover structure (12) seals the speed reducer body (2).
2. The oil cap leakage prevention device for the speed reducer of the double-beam gantry crane according to claim 1, which is characterized in that: the cover body (1) also comprises a column-shaped block structure (17); a cavity (14) is formed in the column-shaped block structure (17); the air bag (11) is arranged in the cavity (14), and the annular wall of the air inlet (111) of the air bag (11) is fixedly connected with the bottom of the cavity (14); the top of the air bag (11) is fixedly connected with the top of the cavity (14) through a connecting block (112); the cavity (14) is communicated with the communicating hole (13) through an air hole; the inside of the air bag (11) is communicated with the inside of the speed reducer body (2).
3. The oil cap leakage prevention device for the speed reducer of the double-beam gantry crane, according to claim 2, is characterized in that: an arc-shaped groove (15) is dug in the column-shaped block structure (17); the communicating hole (13) is communicated with the interior of the speed reducer body (2) through an arc-shaped groove (15); the sliding cover structure (12) comprises an arc-shaped sliding pipe structure (121); the arc-shaped sliding pipe structure (121) is embedded in the arc-shaped groove (15) and seals the speed reducer body (2); the arc-shaped sliding tube structure (121) is a flexible tubular structure.
4. The oil cap leakage prevention device for the speed reducer of the double-beam gantry crane according to claim 3, which is characterized in that: one end of the arc-shaped sliding pipe structure (121) is fixedly connected with a pushing structure (3); the other end of the arc-shaped sliding pipe structure (121) is fixedly provided with a filling structure (4) and is communicated with the inside of the filling structure (4); the air bag (11) is expanded, the air bag (11) pushes the pushing structure (3), and the pushing structure (3) drives the arc-shaped sliding tube structure (121) to push the filling structure (4); the filling structure (4) is used for filling and blocking the air inlet (111), and the interior of the filling structure (4) is communicated with the interior of the air bag (11).
5. The oil cap leakage prevention device for the speed reducer of the double-beam gantry crane according to claim 4, wherein the oil cap leakage prevention device comprises: the pushing structure (3) comprises a curved plate (31) and a sliding structure (32); the sliding structure (32) comprises a sliding column (321), a fixed block (322) and a spring (323); one end of the sliding column (321) is fixedly connected to the arc-shaped sliding tube structure (121), and a vent hole (122) is formed in the connecting position of the sliding column (321) and the arc-shaped sliding tube structure (121); the other end of the sliding column (321) is fixed with the convex surface of the curved plate (31); the concave surface of the curved plate (31) is embedded and attached to the side wall of the air bag (11); a moving groove (16) is formed in the column-shaped block structure (17) above the sliding column (321); the top of the sliding column (321) is fixedly provided with a fixed block (322), and the fixed block (322) is positioned on one side, far away from the cavity (14), in the moving groove (16); and a spring (323) is arranged between the fixed block (322) and the side wall of the moving groove (16) close to the cavity (14).
6. The oil cap leakage prevention device for the speed reducer of the double-beam gantry crane according to claim 4, wherein the oil cap leakage prevention device comprises: the filling structure (4) comprises a guide plate (41); a slotted hole (411) is formed in the guide plate (41); one end of the guide plate (41) is connected with the arc-shaped sliding pipe structure (121), and the slotted hole (411) is communicated with the interior of the arc-shaped sliding pipe structure (121); the other end of the guide plate (41) is fixedly provided with a magnetic block (412); the magnetic block (412) corresponds to a magnet arranged at the bottom of the columnar block structure (17); the top of one end of the guide plate (41) provided with the magnetic block (412) is provided with a through hole (413); the guide plate (41) slides in an opening (43) formed in the bottom of the column-shaped block structure (17) through a guide rail (42), the magnetic block (412) is correspondingly attached to the magnet in an absorbing mode, and the connecting opening (413) is connected with the air inlet (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753972.9U CN212657217U (en) | 2020-05-09 | 2020-05-09 | Speed reducer leak protection oil cap device of two roof beam portal cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753972.9U CN212657217U (en) | 2020-05-09 | 2020-05-09 | Speed reducer leak protection oil cap device of two roof beam portal cranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657217U true CN212657217U (en) | 2021-03-05 |
Family
ID=74746722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020753972.9U Active CN212657217U (en) | 2020-05-09 | 2020-05-09 | Speed reducer leak protection oil cap device of two roof beam portal cranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212657217U (en) |
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2020
- 2020-05-09 CN CN202020753972.9U patent/CN212657217U/en active Active
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