CN219860437U - Large-tonnage heavy forklift hydraulic oil tank cover plate assembly - Google Patents
Large-tonnage heavy forklift hydraulic oil tank cover plate assembly Download PDFInfo
- Publication number
- CN219860437U CN219860437U CN202321206043.6U CN202321206043U CN219860437U CN 219860437 U CN219860437 U CN 219860437U CN 202321206043 U CN202321206043 U CN 202321206043U CN 219860437 U CN219860437 U CN 219860437U
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- Prior art keywords
- pipe
- hydraulic oil
- cover plate
- connecting pipe
- oil tank
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- 239000010720 hydraulic oil Substances 0.000 title abstract description 48
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 25
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model discloses a large-tonnage heavy forklift hydraulic oil tank cover plate assembly, which relates to the technical field of hydraulic oil tank covers and comprises the following components: the center of the top of the cover plate is provided with a mounting hole; the connecting pipe is arranged in the mounting hole in a sliding manner; the pressure reducing assemblies are arranged at the bottom of the connecting pipe in a circular shape at equal intervals. According to the utility model, when the pressure in the hydraulic oil tank is high, the connecting pipe is pushed to move upwards along the mounting hole, so that the L-shaped pipe is driven to move upwards, the end part of the L-shaped pipe moves along the adjusting pipe, when the second round hole on the L-shaped pipe is overlapped with the first round hole on the adjusting pipe, high-pressure gas in the hydraulic oil tank enters the L-shaped pipe through the rectangular hole, the first round hole and the second round hole on the cover body, and then enters the connecting pipe through the L-shaped pipe, so that the pressure balance in the hydraulic oil tank is realized, and in the process, the cover body can prevent most of hydraulic oil from entering the L-shaped pipe, and further the hydraulic oil is prevented from being sprayed out.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil tank covers, in particular to a large-tonnage heavy forklift hydraulic oil tank cover plate assembly.
Background
The hydraulic pressure can be transmitted in a power transmission mode, namely hydraulic transmission, wherein the hydraulic transmission takes liquid as a working medium and utilizes the pressure energy of the liquid to transmit power, wherein hydraulic equipment is generally adopted to provide power for lifting in the working process of the heavy forklift, the pressure in a hydraulic system of the heavy forklift is in an extremely high range in the working process of the heavy forklift, the pressure in a hydraulic oil tank is increased along with the pressure, the pressure in the hydraulic oil tank is increased, and a large-tonnage heavy forklift hydraulic oil tank cover plate assembly is needed for balancing the pressure in the hydraulic oil tank.
In the prior art, the general hydraulic oil tank cover plate assembly is communicated with the inside and the outside of the hydraulic oil tank in a breathing hole and the like to balance the pressure in the hydraulic oil tank, but on a heavy forklift, the internal pressure of the hydraulic oil tank is obviously higher than that of other equipment, and the hydraulic oil in the hydraulic oil tank can shake along with the forklift in the advancing process, so that part of hydraulic oil can be sprayed out of the hydraulic oil tank along with high-pressure gas when the internal pressure of the hydraulic oil tank is regulated through an arc hole.
Disclosure of Invention
The utility model aims to provide a large-tonnage heavy forklift hydraulic oil tank cover plate assembly so as to solve the technical problem in the prior art.
The utility model provides a large-tonnage heavy forklift hydraulic oil tank cover plate assembly, which comprises:
the center of the top of the cover plate is provided with a mounting hole;
the connecting pipe is arranged in the mounting hole in a sliding manner;
the pressure reducing assemblies are equidistantly arranged at the bottom of the connecting pipe in a circular shape;
the pressure relief assembly includes:
one end of the L-shaped pipe is arranged at the bottom of the connecting pipe in a penetrating way;
the adjusting pipe is sleeved at the other end of the L-shaped pipe in a sliding manner;
the cover body is fixed on the outer side wall of the adjusting pipe, and a plurality of rectangular holes which are distributed at equal intervals are formed in the bottom of the side wall of the cover body;
the first round holes are formed in the outer side wall of the adjusting pipe at equal intervals;
the second round holes are formed in the outer side wall of the L-shaped pipe at equal intervals, and the first round holes and the second round holes are in one-to-one correspondence.
Preferably, the method further comprises:
the sealing ring is arranged on the outer side wall of the L-shaped pipe and is in sliding connection with the inner side wall of the adjusting pipe.
Preferably, the method further comprises:
the two annular plates are arranged on the outer side wall of the connecting pipe in an up-down distribution mode, and the cover plate is positioned between the two annular plates.
Preferably, the method further comprises:
the through hole is formed at the bottom of the connecting pipe;
the connecting rod is arranged in the through hole, the bottom of the connecting rod is provided with a sealing block, and the sealing block is matched with the through hole;
the connecting plate is arranged on the side wall of the connecting rod;
and the two ends of the spring are respectively fixed with the inner wall of the bottom of the connecting pipe and the connecting plate.
Preferably, the method further comprises:
the handle is arranged at the top end of the connecting rod.
Preferably, the method further comprises:
the conical net barrel is arranged on the inner side wall of the connecting pipe, and the connecting rod penetrates through the inner wall of the bottom of the conical net barrel;
the sealing cover is connected to the top of the side wall of the connecting pipe through threads, and a breathing hole is formed in the top of the sealing cover.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the cover body, the regulating pipe, the L-shaped pipe and the connecting pipe, in the use process, the L-shaped pipe can be moved up and down through sliding between the connecting pipe and the mounting hole on the cover plate, so that when the pressure in the hydraulic oil tank is high, the connecting pipe is pushed to move up along the mounting hole, the L-shaped pipe is further driven to move up, the end part of the L-shaped pipe is enabled to move along the regulating pipe, after the second round hole on the L-shaped pipe is overlapped with the first round hole on the regulating pipe, high-pressure gas in the hydraulic oil tank enters the L-shaped pipe through the rectangular hole on the cover body, the first round hole and the second round hole, and then enters the connecting pipe through the L-shaped pipe, so that pressure balance in the hydraulic oil tank is realized, and in the process, the cover body can prevent most hydraulic oil from entering the L-shaped pipe, and further the blowout of hydraulic oil is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the structure of the L-shaped pipe and the connecting pipe of the present utility model;
FIG. 3 is a schematic cross-sectional view of the cover plate, connecting tube, L-shaped tube, regulator tube and cover of the present utility model;
FIG. 4 is a schematic view of the explosive structure of the L-shaped tube, the regulator tube and the cover of the present utility model;
fig. 5 is a schematic view of a partially cut-away structure of a connecting tube according to the present utility model.
Reference numerals:
1. a cover plate; 2. sealing cover; 3. a connecting pipe; 4. an L-shaped tube; 5. a cover body; 6. a through hole; 7. a conical net drum; 8. a connecting plate; 9. a spring; 10. a sealing block; 11. an adjusting tube; 12. a first round hole; 13. a seal ring; 14. a second round hole; 15. a handle; 16. a connecting rod; 17. and an annular plate.
Detailed Description
The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.
Referring now to fig. 1 to 5, an embodiment of the present utility model provides a hydraulic tank cover assembly for a large-tonnage heavy forklift, including:
the cover plate 1 is provided with a mounting hole in the center of the top of the cover plate 1;
the connecting pipe 3 is arranged in the mounting hole in a sliding way;
the plurality of pressure reducing components are arranged at the bottom of the connecting pipe 3 in a circular shape at equal intervals;
the pressure relief assembly includes:
the L-shaped pipe 4, one end of the L-shaped pipe 4 is arranged at the bottom of the connecting pipe 3 in a penetrating way;
the adjusting pipe 11 is sleeved at the other end of the L-shaped pipe 4 in a sliding way;
the cover body 5 is fixed on the outer side wall of the adjusting pipe 11, and a plurality of rectangular holes which are distributed at equal intervals are formed in the bottom of the side wall of the cover body 5;
the first round holes 12 are formed in the outer side wall of the adjusting tube 11 at equal intervals;
the second round holes 14 are formed in the outer side wall of the L-shaped pipe 4 at equal intervals, and the first round holes 12 and the second round holes 14 are in one-to-one correspondence.
When the pressure in the hydraulic oil tank is large, under the action of pressure, the connecting pipe 3 is pushed to move upwards along the mounting hole, the L-shaped pipe 4 is driven to move upwards, the end part of the L-shaped pipe 4 enters the adjusting pipe 11 in the upward moving process, after the first round hole 12 on the adjusting pipe 11 and the second round hole 14 on the L-shaped pipe 4 are overlapped, high-pressure gas in the hydraulic oil tank enters the L-shaped pipe 4 through the rectangular hole, the first round hole 12 and the second round hole 14 on the cover body 5, finally, the high-pressure gas enters the connecting pipe 3 through the L-shaped pipe 4, so that the output of the high-pressure gas is realized, the pressure balance inside and outside the hydraulic oil tank is further realized, and the hydraulic oil tank is prevented from being sprayed out along with the gas through the blocking of the cover body 5.
Further, the method further comprises the following steps:
the sealing ring 13, the sealing ring 13 sets up on L pipe 4 lateral wall, and sealing ring 13 and regulation pipe 11 inside wall sliding connection.
The sealing performance between the L-shaped pipe 4 and the adjusting pipe 11 is improved through the sealing ring 13, so that gas is output only when the first round hole 12 and the second round hole 14 are overlapped, and hydraulic oil is prevented from entering the L-shaped pipe 4 through a gap between the adjusting pipe 11 and the L-shaped pipe 4.
Further, the method further comprises the following steps:
the two annular plates 17 are arranged on the outer side wall of the connecting pipe 3 in an up-down distribution manner, and the cover plate 1 is positioned between the two annular plates 17.
The two annular plates 17 are matched with the cover plate 1 to limit the movement range of the connecting pipe 3, so that when the internal pressure of the hydraulic oil tank is too high or too low, the connecting pipe 3 is separated from the cover plate 1.
Further, the method further comprises the following steps:
the through hole 6 is formed at the bottom of the connecting pipe 3;
the connecting rod 16 is arranged in the through hole 6, the sealing block 10 is arranged at the bottom of the connecting rod 16, and the sealing block 10 is matched with the through hole 6;
the connecting plate 8 is arranged on the side wall of the connecting rod 16;
the two ends of the spring 9 are respectively fixed with the inner wall of the bottom of the connecting pipe 3 and the connecting plate 8.
When the internal pressure of the hydraulic oil tank is lower, the sealing block 10 is pushed to move along the through hole 6 under the action of air pressure, and when the sealing block 10 is separated from the through hole 6, external air enters the hydraulic oil tank through a gap between the sealing block 10 and the through hole 6, so that the internal pressure and the external pressure of the hydraulic oil tank are balanced.
Further, the method further comprises the following steps:
a handle 15, the handle 15 is arranged at the top end of the connecting rod 16.
When the hydraulic oil is added, the hydraulic oil is firstly poured into the connecting pipe 3, and then the connecting rod 16 is pushed downwards through the handle 15, so that the hydraulic oil in the connecting pipe 3 can be injected into the hydraulic oil tank.
Further, the method further comprises the following steps:
the conical net drum 7, the conical net drum 7 is arranged on the inner side wall of the connecting pipe 3, and the connecting rod 16 penetrates through the inner wall of the bottom of the conical net drum 7;
the sealing cover 2 is connected to the top of the side wall of the connecting pipe 3 through threads, and breathing holes are formed in the top of the sealing cover 2.
When part of hydraulic oil passes through L-shaped pipe 4 and gets into inside connecting pipe 3, through the baffle of toper net section of thick bamboo 7, can effectively avoid the hydraulic oil directly to export through the breathing hole on the sealed lid 2, and then reduced the loss of hydraulic oil, at the inside in-process of external gas entering hydraulic tank, toper net section of thick bamboo 7 can also filter impurity such as dust in the air, has guaranteed the cleanness of hydraulic oil.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The utility model provides a heavy fork truck hydraulic tank apron assembly of large-tonnage, its characterized in that includes:
the device comprises a cover plate (1), wherein a mounting hole is formed in the center of the top of the cover plate (1);
the connecting pipe (3) is arranged in the mounting hole in a sliding way;
the pressure reducing assemblies are equidistantly arranged at the bottom of the connecting pipe (3) in a circular shape;
the pressure relief assembly includes:
one end of the L-shaped pipe (4) is arranged at the bottom of the connecting pipe (3) in a penetrating way;
the adjusting pipe (11) is sleeved at the other end of the L-shaped pipe (4) in a sliding way;
the cover body (5), the cover body (5) is fixed on the outer side wall of the adjusting pipe (11), and a plurality of rectangular holes distributed at equal distance are formed in the bottom of the side wall of the cover body (5);
the first round holes (12) are formed in the outer side wall of the adjusting pipe (11) at equal intervals;
the plurality of second round holes (14), a plurality of second round holes (14) are equidistantly arranged on the outer side wall of the L-shaped pipe (4), and the plurality of first round holes (12) and the plurality of second round holes (14) are in one-to-one correspondence.
2. The large tonnage heavy duty truck hydraulic tank cover plate assembly of claim 1, further comprising:
the sealing ring (13), sealing ring (13) are arranged on the lateral wall of L type pipe (4), and sealing ring (13) and adjusting pipe (11) inside wall sliding connection.
3. The large tonnage heavy duty truck hydraulic tank cover plate assembly of claim 1, further comprising:
the two annular plates (17) are arranged on the outer side wall of the connecting pipe (3) in an up-down distribution mode, and the cover plate (1) is positioned between the two annular plates (17).
4. The large tonnage heavy duty truck hydraulic tank cover plate assembly of claim 1, further comprising:
the through hole (6) is formed in the bottom of the connecting pipe (3);
the connecting rod (16), the connecting rod (16) is arranged in the through hole (6), the bottom of the connecting rod (16) is provided with a sealing block (10), and the sealing block (10) is matched with the through hole (6);
the connecting plate (8) is arranged on the side wall of the connecting rod (16);
the two ends of the spring (9) are respectively fixed with the inner wall of the bottom of the connecting pipe (3) and the connecting plate (8).
5. The heavy duty truck hydraulic tank cover assembly of claim 4 further comprising:
and the handle (15) is arranged at the top end of the connecting rod (16).
6. The heavy duty truck hydraulic tank cover assembly of claim 4 further comprising:
the conical net drum (7), the conical net drum (7) is arranged on the inner side wall of the connecting pipe (3), and the connecting rod (16) penetrates through the inner wall of the bottom of the conical net drum (7);
the sealing cover (2), sealed lid (2) are through threaded connection at connecting pipe (3) lateral wall top, sealed lid (2) top is provided with the breathing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206043.6U CN219860437U (en) | 2023-05-18 | 2023-05-18 | Large-tonnage heavy forklift hydraulic oil tank cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321206043.6U CN219860437U (en) | 2023-05-18 | 2023-05-18 | Large-tonnage heavy forklift hydraulic oil tank cover plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860437U true CN219860437U (en) | 2023-10-20 |
Family
ID=88336564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321206043.6U Active CN219860437U (en) | 2023-05-18 | 2023-05-18 | Large-tonnage heavy forklift hydraulic oil tank cover plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860437U (en) |
-
2023
- 2023-05-18 CN CN202321206043.6U patent/CN219860437U/en active Active
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| GR01 | Patent grant |