CN116398615A - Oil tank cooling device and thin seam coal mining machine comprising same - Google Patents
Oil tank cooling device and thin seam coal mining machine comprising same Download PDFInfo
- Publication number
- CN116398615A CN116398615A CN202310494597.9A CN202310494597A CN116398615A CN 116398615 A CN116398615 A CN 116398615A CN 202310494597 A CN202310494597 A CN 202310494597A CN 116398615 A CN116398615 A CN 116398615A
- Authority
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- China
- Prior art keywords
- liquid
- oil tank
- inflow passage
- tank
- outflow passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 64
- 238000005065 mining Methods 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000000110 cooling liquid Substances 0.000 claims abstract description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 38
- 239000000498 cooling water Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to an oil tank cooling device and a thin seam coal mining machine comprising the same, and belongs to the field of coal mining machines. An oil tank cooling apparatus comprising: the mounting seat comprises a base part and a connecting part; the base part is used for being fixed with the oil tank; the connecting part protrudes outwards from one side surface of the base part; the mounting seat is internally provided with a liquid inflow passage and a liquid outflow passage which are mutually independent, and the liquid inflow passage and the liquid outflow passage respectively penetrate through the base part and the connecting part in sequence; and the two ends of the cooling pipe are respectively connected with the connecting parts and respectively communicated with the liquid inflow passage and the liquid outflow passage. A low seam mining machine is provided, in an oil tank of a rocker arm of the low seam mining machine, with an oil tank cooling device. Compared with a straight pipe, the spiral serpentine bent pipe with an integrated structure can greatly enlarge the heat exchange area between the cooling liquid and the oil in the oil tank.
Description
Technical Field
The invention relates to the technical field of coal mining machines, in particular to an oil tank cooling device and a thin seam coal mining machine comprising the same.
Background
The coal mining machine is important coal machine equipment in the fully-mechanized coal mining three machines, and as the power of the low seam coal mining machine is continuously improved, a large amount of heat generated by the rocker arm gear in the power transmission process cannot be dissipated due to the limited oil tank heat dissipation space of the low seam coal mining machine, the viscosity of the lubricating oil with the overhigh temperature is reduced, and the faults of gear abrasion, bearing damage, sealing failure and the like are caused. Typically, shearer rockers are provided with a cooling system to reduce the operating temperature of the gearboxes.
The existing rocker arm cooling system mainly has two modes: (1) The surface of the rocker arm shell is provided with a cooling water channel for cooling the shell, and the cooling effect is not ideal because the cooling water cannot contact oil; (2) The cooler is arranged in the rocker arm cavity, and cooling water is directly contacted with oil for cooling in the mode, but the conventional cooler is large in overall dimension, poor in cooling effect and inconvenient to assemble and disassemble due to limitation of a narrow space in the rocker arm cavity of the low seam mining machine. Therefore, the two cooling modes are obviously insufficient, the heat dissipation requirement of the rocker arm of the low seam mining machine cannot be met, and an efficient cooler is urgently needed at present to improve the heat dissipation efficiency of the rocker arm so as to achieve a good cooling effect.
Disclosure of Invention
The invention aims to solve the problems and provide an oil tank cooling device and a low seam mining machine comprising the same.
The purpose of the invention is realized in the following way:
an oil tank cooling apparatus comprising:
the mounting seat comprises a base part and a connecting part; the base part is used for being fixed with the oil tank; the connecting part protrudes outwards from one side surface of the base part; the mounting seat is internally provided with a liquid inflow passage and a liquid outflow passage which are mutually independent, and the liquid inflow passage and the liquid outflow passage respectively penetrate through the base part and the connecting part in sequence;
the cooling pipe is a spiral serpentine bent pipe with an integrated structure, and two ends of the cooling pipe are respectively connected with the connecting part and respectively communicated with the liquid inflow passage and the liquid outflow passage;
when the oil tank cooling device is arranged in the oil tank, cooling liquid sequentially flows through the liquid inflow passage, the cooling pipe and the liquid outflow passage, so that the effect of taking away heat in oil in the oil tank is realized.
The two ends of the liquid inflow channel are respectively an inflow channel inlet and an inflow channel outlet, and the two ends of the liquid outflow channel are respectively an outflow channel inlet and an outflow channel outlet; the inflow passage inlet and the outflow passage outlet are both arranged on the base portion, the inflow passage outlet and the outflow passage inlet are both arranged on the connecting portion, and the inflow passage inlet, the inflow passage outlet, the outflow passage inlet and the outflow passage outlet face to the same side.
The connecting part is a cylinder or an elliptic cylinder, and a circle of sealing ring is arranged along the circumference of the connecting part.
Wherein, the inflow passage inlet and the outflow passage outlet are both provided with a circle of sealing rings.
Wherein both end portions of the cooling pipe are inserted into the connection portion so as to be respectively communicated with the liquid inflow passage and the liquid outflow passage.
Wherein, the mounting hole has been seted up to base portion.
The invention also provides a low seam mining machine, wherein the oil tank cooling device of any one of the above oil tank cooling devices is arranged in the oil tank of the rocker arm of the low seam mining machine.
Wherein, the oil tank is internally provided with a plurality of groups of oil tank cooling devices.
The cooling device comprises an oil tank, and is characterized in that a cooling liquid pipeline is arranged in the wall of the oil tank, and the liquid inflow passage and the liquid outflow passage in the oil tank cooling device are communicated with the cooling liquid pipeline.
Wherein, the oil tank cooling device is fixedly connected with the tank wall of the oil tank through the base part.
The beneficial effects of the invention are as follows: through adopting the spiral snakelike return bend of integral type structure, compare in the straight tube can increase the heat transfer area between coolant liquid and the fluid in the oil tank by a wide margin.
Drawings
Fig. 1 shows a schematic view of an embodiment of the tank cooling device of the present invention.
Fig. 2 is a left side view of fig. 1.
FIG. 3 shows a schematic view of an embodiment of the low seam shearer of the present invention.
The reference numerals are explained as follows:
1-a mounting base;
11-a base part;
111-a liquid inflow passage;
1111—an inflow pathway inlet;
1112-inflow passage outlet;
112-a liquid outflow path;
1121—an outflow pathway inlet;
1122-outflow path outlet;
113-mounting holes;
12-connecting part;
2-cooling pipes;
10-an oil tank cooling device;
20-oil tank.
Detailed Description
Various embodiments of the present invention will be described with reference to the accompanying drawings. Elements having similar structures or functions will be denoted by the same reference numerals throughout the specification and the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The dimensions shown in the drawings are for clarity of description only and do not limit the scale or exhaustive description of the invention nor limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
First, the invention discloses an oil tank cooling device. Fig. 1 shows a schematic view of an embodiment of the tank cooling device of the present invention.
As shown in fig. 1 and 2, an oil tank cooling device includes a mount 1 and a cooling pipe 2.
The mounting base 1 specifically includes a base portion 11 and a connecting portion 12.
The base portion 11 is adapted to be secured to the fuel tank. For easy assembly and disassembly, the base portion 11 is provided with mounting holes 113, so that the tank cooling device can be mounted in the tank by, for example, screws or the like.
The connection portion 12 protrudes outward from one side surface of the base portion 11, and specifically, the connection portion 12 may be a cylinder or an elliptical cylinder, and a ring of sealing rings is provided along the circumferential direction of the connection portion 12 to improve sealability. In order to facilitate positioning and mounting of the seal ring, a mounting groove is preferably formed in the circumferential direction of the connecting portion 12, and the seal ring is preferably embedded in the mounting groove.
The mount 1 is provided with a liquid inflow passage 111 and a liquid outflow passage 112 which are independent of each other, and the liquid inflow passage 111 and the liquid outflow passage 112 pass through the base portion 11 and the connecting portion 12 in this order, respectively. More specifically, the liquid inflow passage 111 has an inflow passage inlet 1111 and an inflow passage outlet 1112 at both ends, and the liquid outflow passage 112 has an outflow passage inlet 1121 and an outflow passage outlet 1122 at both ends. The inflow passage inlet 1111 and the outflow passage outlet 1122 are provided on the base portion 11, the inflow passage outlet 1112 and the outflow passage inlet 1121 are provided on the connecting portion 12, and the inflow passage inlet 1111, the inflow passage outlet 1112, the outflow passage inlet 1121 and the outflow passage outlet 1122 are all directed to the same side. A ring of sealing rings is provided at both the inflow passage inlet 1111 and the outflow passage outlet 1122 to improve the sealing property after installation and prevent the coolant from leaking into the oil tank.
The cooling tube 2 adopts a spiral serpentine bent tube with an integral structure, and both ends of the cooling tube 2 are respectively connected with the connecting parts 12 and respectively communicated with the liquid inflow passage 111 and the liquid outflow passage 112. More specifically, both end portions of the cooling tube 2 are inserted into the connecting portion 12 so as to be respectively communicated with the liquid inflow passage 111 and the liquid outflow passage 112.
When the tank cooling device is installed in the tank, the cooling liquid flows through the liquid inflow passage 111, the cooling pipe 2 and the liquid outflow passage 112 in order to achieve the effect of taking away the heat in the oil in the tank.
In this embodiment, through adopting the spiral snakelike return bend of integral type structure, compare on the one hand and can increase the heat transfer area between coolant liquid and the fluid in the oil tank by a wide margin in the straight tube, more preferably, cooling tube 2 can select the copper pipe to make, can further improve radiating efficiency, under the condition that reaches equal cooling effect, select the copper pipe to compare in conventional light pipe, can make the corresponding reduction of volume, more convenient in the installation in narrow and small oil tank.
Secondly, the invention also provides a thin seam shearer.
As shown in fig. 3, in the tank 20 of the rocker arm of the low seam mining machine, the tank cooling device 10 as described in the foregoing embodiment is provided. In order to improve the cooling effect of the oil in the oil tank 20, a plurality of groups of oil tank cooling devices 10 are preferably arranged in the empty space in the oil tank 20 so as to ensure the uniform temperature of each part in the oil tank 20, and heat in the oil can be taken away to the greatest extent, so that the whole rocker arm can quickly reach heat balance, and the effect of reducing the oil temperature is obtained. In particular, the length of the helical serpentine bend in tank cooling device 10 may be designed based on the free space within tank 20.
A coolant line is provided in the wall of the tank 20, and a liquid inflow passage and a liquid outflow passage in the tank cooling device 10 are communicated with the coolant line. The tank cooling device 10 is fixedly connected with the tank wall of the tank 20 through the base part, specifically, can be fastened and connected by adopting screws, and is more convenient to assemble and disassemble compared with the traditional pipeline connection.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (10)
1. An oil tank cooling device, comprising:
the mounting seat comprises a base part and a connecting part; the base part is used for being fixed with the oil tank; the connecting part protrudes outwards from one side surface of the base part; the mounting seat is internally provided with a liquid inflow passage and a liquid outflow passage which are mutually independent, and the liquid inflow passage and the liquid outflow passage respectively penetrate through the base part and the connecting part in sequence;
the cooling pipe is a spiral serpentine bent pipe with an integrated structure, and two ends of the cooling pipe are respectively connected with the connecting part and respectively communicated with the liquid inflow passage and the liquid outflow passage;
when the oil tank cooling device is arranged in the oil tank, cooling liquid sequentially flows through the liquid inflow passage, the cooling pipe and the liquid outflow passage, so that the effect of taking away heat in oil in the oil tank is realized.
2. The tank cooling apparatus according to claim 1, wherein the liquid inflow passage has an inflow passage inlet and an inflow passage outlet at both ends, respectively, and the liquid outflow passage has an outflow passage inlet and an outflow passage outlet at both ends, respectively; the inflow passage inlet and the outflow passage outlet are both arranged on the base portion, the inflow passage outlet and the outflow passage inlet are both arranged on the connecting portion, and the inflow passage inlet, the inflow passage outlet, the outflow passage inlet and the outflow passage outlet face to the same side.
3. The oil tank cooling device according to claim 1, wherein the connecting portion is a cylinder or an elliptic cylinder, and a ring of sealing rings is provided along a circumferential direction of the connecting portion.
4. The tank cooling arrangement of claim 2, wherein the inlet of the inflow passage and the outlet of the outflow passage are each provided with a ring of sealing rings.
5. The tank cooling apparatus according to claim 1, wherein both end portions of the cooling pipe are inserted into the connecting portion so as to be respectively communicated with the liquid inflow passage and the liquid outflow passage.
6. The tank cooling apparatus according to claim 1, wherein the base portion is provided with a mounting hole.
7. A low seam mining machine, characterized in that in the tank of the rocker arm of the low seam mining machine, a tank cooling device as claimed in any one of claims 1-6 is provided.
8. The low seam mining machine of claim 7, wherein a plurality of sets of the tank cooling devices are provided within the tank.
9. The low seam mining machine of claim 7, wherein a coolant line is provided in a wall of the tank, and the liquid inflow passage and the liquid outflow passage in the tank cooling device are both communicated with the coolant line.
10. The low seam mining machine of claim 7, wherein the tank cooling device is fixedly connected by the base portion and a wall of the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310494597.9A CN116398615A (en) | 2023-05-05 | 2023-05-05 | Oil tank cooling device and thin seam coal mining machine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310494597.9A CN116398615A (en) | 2023-05-05 | 2023-05-05 | Oil tank cooling device and thin seam coal mining machine comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116398615A true CN116398615A (en) | 2023-07-07 |
Family
ID=87016124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310494597.9A Pending CN116398615A (en) | 2023-05-05 | 2023-05-05 | Oil tank cooling device and thin seam coal mining machine comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116398615A (en) |
-
2023
- 2023-05-05 CN CN202310494597.9A patent/CN116398615A/en active Pending
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