CN110094374B - Hydraulic oil tank of scrap steel crusher equipment - Google Patents
Hydraulic oil tank of scrap steel crusher equipment Download PDFInfo
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- CN110094374B CN110094374B CN201910379380.7A CN201910379380A CN110094374B CN 110094374 B CN110094374 B CN 110094374B CN 201910379380 A CN201910379380 A CN 201910379380A CN 110094374 B CN110094374 B CN 110094374B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- Engineering & Computer Science (AREA)
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a hydraulic oil tank of scrap steel crusher equipment, which comprises: a box body; an oil return pipe arranged on the box body; an oil outlet pipe arranged on the box body; the box is provided with internal cooling portion and external cooling portion, and internal cooling portion includes: the cooling structure comprises a plurality of upper cooling plates and a plurality of lower cooling plates, wherein the upper cooling plates and the lower cooling plates are alternately arranged in a box body, the top of each upper cooling plate is fixed to a top plate of the box body, the bottom of each lower cooling plate is fixed to a bottom plate of the box body, and the top of each lower cooling plate extends into a gap between every two adjacent upper cooling plates; the external cooling part comprises: the invention relates to a hydraulic oil tank cooling system, which comprises a buffer working tank, a main cooling pipeline adopting a serpentine structure and a backup cooling pipeline adopting a serpentine structure.
Description
Technical Field
The invention relates to the field of waste metal recovery and treatment equipment, in particular to a hydraulic oil tank of waste steel crusher equipment.
Background
The scrap crusher device uses hydraulic oil stored in a hydraulic oil tank during operation, and the hydraulic oil in the hydraulic oil tank affects the working efficiency of the device due to untimely heat dissipation and impurities during operation.
Disclosure of Invention
The invention aims to provide a hydraulic oil tank of waste steel crusher equipment, which can quickly and efficiently finish the cooling operation of hydraulic oil and has the effect of removing impurities.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a hydraulic tank for a scrap crusher apparatus, comprising: a box body; an oil return pipe arranged on the box body; an oil outlet pipe arranged on the box body; the box is provided with internal cooling portion and external cooling portion, and internal cooling portion includes: the cooling structure comprises a plurality of upper cooling plates and a plurality of lower cooling plates, wherein the upper cooling plates and the lower cooling plates are alternately arranged in a box body, the top of each upper cooling plate is fixed to a top plate of the box body, the bottom of each lower cooling plate is fixed to a bottom plate of the box body, and the top of each lower cooling plate extends into a gap between every two adjacent upper cooling plates;
the upper cooling plate is provided with a first left vertical flow channel close to the left surface of the upper cooling plate, a first lower transverse flow channel close to the bottom of the upper cooling plate and communicated with the first left vertical flow channel, and a first right vertical flow channel close to the right surface of the upper cooling plate and communicated with the first lower transverse flow channel;
the lower cooling plate is provided with a second left vertical flow channel close to the left side surface of the lower cooling plate, a second upper transverse flow channel close to the top of the lower cooling plate and communicated with the second left vertical flow channel, and a second right vertical flow channel close to the right side surface of the lower cooling plate and communicated with the second upper transverse flow channel;
a hot oil output pipe is arranged at the bottom of an oil return chamber where an oil return pipe of the box body is positioned, and a cooling oil return pipe is arranged in the oil outlet chamber where the oil outlet pipe of the box body is positioned;
the external cooling part comprises: the cooling system comprises a buffer working tank, a main cooling pipeline adopting a serpentine structure and a backup cooling pipeline adopting a serpentine structure, wherein the top of the buffer working tank is connected to a hot oil output pipe through an access pipeline, a first pressure relief device is installed at the top of the buffer working tank, the side wall of the buffer working tank is connected to the input end of the main cooling pipeline, the main cooling pipeline comprises a first main oil way conveying pipe and a first cooling medium conveying sleeve sleeved outside the first main oil way conveying pipe, the flow direction of a cooling medium of the first cooling medium conveying sleeve is opposite to that of an oil material of the first main oil way conveying pipe, the output end of the first main oil way conveying pipe is connected with a main filtering box body, and the main filtering box body is provided with a first return pipe connected with;
the side wall of the buffer working tank is also connected with an input end of a backup cooling pipeline, a pipeline of the backup cooling pipeline connected with the buffer working tank is provided with a second pressure relief device, the backup cooling pipeline comprises a second main oil way conveying pipe and a second cooling medium conveying sleeve sleeved outside the second main oil way conveying pipe, the flow direction of a cooling medium of the second cooling medium conveying sleeve is opposite to that of an oil material of the second main oil way conveying pipe, the output end of the second main oil way conveying pipe is connected with a backup filtering box body, and the backup filtering box body is provided with a second return pipe connected with a cooling oil return pipe;
the input pipeline of the main cooling pipeline close to the buffer working tank body is provided with a first delivery pump, and the output pipeline of the backup cooling pipeline close to the backup filtering tank body is provided with a second delivery pump.
Further, an air filter is arranged in a gap between the adjacent upper cooling plates and is fixed on a top plate of the box body.
Further, the thickness of the pressure relief film of the second pressure relief device is larger than that of the first pressure relief device.
Furthermore, the main filtering box body and the backup filtering box body are provided with glass fiber nets for filtering oil materials.
Further, the distance between the adjacent upper cooling plates is 5-10 cm;
the top of the lower cooling plate is 10-25cm higher than the bottom of the upper cooling plate.
Furthermore, the cooling medium of the main cooling pipeline and the backup cooling pipeline is cold air or cooling water.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the internal cooling part and the external cooling part can be used for carrying out high-efficiency and rapid cooling operation on the high-temperature backflow hydraulic oil of the hydraulic oil tank independently or in combination, so that the working efficiency of related equipment is improved, and the working efficiency of the equipment is prevented from being influenced by overhigh oil temperature.
2. The cooling plate arranged inside the hydraulic oil tank in an alternating mode can enable cooling media inside the cooling plate to cool high-temperature hydraulic oil flowing through the cooling plate alternate gaps, impurities can be slowly precipitated through the alternate gaps, and the situation that oil in the hydraulic oil tank flows too fast to enable the impurity synchronous belt to enter the hydraulic oil outlet is avoided.
3. Because the cold sources input from the cooling ports of the upper cooling plate and the lower cooling plate are independent, the cold source conveying flow rate of the cooling plate at the downstream of the oil path can be adjusted according to needs, and meanwhile, the cold source conveying flow rate of the cooling plate at the upstream of the oil path is reduced.
4. An air filter is arranged at the top of the gap of the upper cooling plate, so that the gap space of the oil tank is ensured to be communicated with the external environment, and the formation of negative pressure at the gap of the cooling plate is avoided.
5. Because the external cooling part is provided with the pressure relief device, the hydraulic oil tank can be opened through the pressure relief device to relieve the pressure under the condition that the inside of the hydraulic oil tank is instantly high-pressure, and the working safety of the system is ensured.
6. Because the thickness of pressure relief membrane of pressure relief device two is greater than the pressure relief membrane of pressure relief device one, in the great and break through pressure relief device one of hydraulic tank internal pressure, the pressure relief membrane of opening pressure relief device two is strikeed in step, the pressure of hydraulic tank is fairly great this moment, through opening after pressure relief device two and switch-on backup cooling system, can be quick with a large amount of hydraulic oil output cooling, provide the additional function for reducing internal pressure fast, and the delivery pump setting that will backup cooling system is at the output of the main favourable conveyer pipe, can avoid high-pressure impact damage delivery pump in the twinkling of an eye.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic oil tank of a scrap steel crusher device in an embodiment of the invention.
FIG. 2 is a cross-sectional view of an upper cooling plate in an embodiment of the present invention.
FIG. 3 is a cross-sectional view of a lower cooling plate in an embodiment of the present invention.
FIG. 4 is a schematic diagram of a cooling system in an embodiment of the invention.
FIG. 5 is a sectional view of an installation structure between an upper cooling plate and a top plate of a case in an embodiment of the present invention.
Fig. 6 is a schematic structural view of a pressure relief device.
Detailed Description
The technical solution adopted by the present invention will be further explained with reference to the schematic drawings.
As shown in fig. 1, a hydraulic oil tank of a scrap steel crusher device, which comprises a square box body 1, wherein a hemispherical supporting seat is arranged at the bottom of the square box body, an oil return pipe 2 close to the left side wall of the box body is installed on the box body, a butt flange is arranged at the top of the oil return pipe 2, the bottom of the oil return pipe is close to the bottom of the square box body, an oil outlet pipe 3 close to the right side wall of the box body is installed on the box body, a filter cover can be sleeved at the lower end of the oil outlet pipe, the structure is known in the prior art, and the description is.
Continuing to refer to fig. 1, the box is provided with internal cooling portion and external cooling portion, and internal cooling portion includes: 14 last cooling plates 4, 13 lower cooling plates 5, go up cooling plates 4 and lower cooling plates 5 and arrange in the box in turn, the preceding lateral wall of going up the cooling plate supports and leans on in the preceding lateral wall medial surface of box, the back lateral wall of going up the cooling plate supports and leans on in the back lateral wall medial surface of box, can consider the sealed between cooling plate and the box side, also can not be sealed, and the same is said, the preceding lateral wall of lower cooling plate supports and leans on in the preceding lateral wall medial surface of box, the back lateral wall of lower cooling plate supports and leans on in the back lateral wall medial surface of box, the top of going up cooling plate 4 is fixed in the box roof, the bottom of lower cooling plate is fixed in the box bottom plate, the top of lower cooling plate 5 extends to in the clearance between the adjacent. The distance between the adjacent upper cooling plates 4 is 5-10cm, the top of the lower cooling plate 5 is 10-25cm higher than the bottom of the upper cooling plate 4, namely the distance (height) of the lower cooling plate extending into the gap between the adjacent upper cooling plates is 10-25cm, and high-temperature hydraulic oil flows from the left side to the right side of the oil tank through a zigzag path, so that the cooling media of the upper cooling plates and the lower cooling plates can fully cool the upper cooling plates and the lower cooling plates.
The upper and lower cooling plates here can be metal plates, for example aluminum alloy plates. Of course, thermally conductive plastics may also be used. And go up the cooling plate and be square plate body with cooling plate down, square plate body is solid plate, for satisfying the lightweight, can adopt hollow structure with square plate body inside, and hollow structure need avoid the cooling runner of establishing in the cooling plate.
Referring to fig. 1 and 2, the upper cooling plate 4 is provided with a first left vertical flow passage 4a near the left side surface of the upper cooling plate, a first lower horizontal flow passage 4b near the bottom of the upper cooling plate and communicated with the first left vertical flow passage, and a first right vertical flow passage 4c near the right side surface of the upper cooling plate and communicated with the first lower horizontal flow passage, the top plate of the box body is provided with an upper cooling medium inflow pipe 4d communicated with the first left vertical flow passage 4a, the upper cooling plate thereby forms a U-shaped flow passage, the top plate of the box body is provided with an upper cooling medium outflow pipe 4e communicated with the first right vertical flow passage 4c, the cooling medium is conveyed to the upper cooling medium inflow pipe 4d by cold air or cooling water as a cold source of the cooling medium, after flowing through the cooling flow passage of the upper cooling plate, the cooling medium flows out of the upper cooling plate through the upper cooling medium outflow pipe 4e, the cold source flowing out of the upper cooling medium outflow pipe 4, and after the cooling medium is cooled, the cooling medium is continuously supplied to the upper cooling plate as a cold source.
Referring to fig. 1 and 3, the lower cooling plate 5 is provided with a second left vertical flow passage 5a adjacent to the left side surface of the lower cooling plate, a second upper horizontal flow passage 5b adjacent to the top of the lower cooling plate and communicating with the second left vertical flow passage, and a second right vertical flow passage 5c adjacent to the right side surface of the lower cooling plate and communicating with the second upper horizontal flow passage, so as to form an inverted U-shaped flow passage in the lower cooling plate, the bottom plate of the box body is provided with a lower cooling medium inflow pipe 5d communicating with the second left vertical flow passage 5a, the bottom plate of the box body is provided with a lower cooling medium outflow pipe 5e communicating with the second right vertical flow passage 5c, the cooling source flowing out from the lower cooling medium outflow pipe 5e of the lower cooling plate through the cooling flow passage of the lower cooling plate can be transported to the cooling source recovery tank, and after the cooling medium is cooled, the cooling medium is continuously supplied to the upper cooling plate as a cold source.
Considering that the U-shaped flow channels formed by the upper cooling plate and the lower cooling plate need to be supported internally, a plurality of internal supporting blocks or supporting frames can be arranged in the respective U-shaped flow channels to ensure the structural strength of the cooling plates.
It should be noted that the oil temperature of the high-temperature hydraulic oil is reduced after the high-temperature hydraulic oil is subjected to heat exchange by the cold source when the cold source flows through the cooling plates, and an impurity precipitation space can be formed between the adjacent lower cooling plates in the hydraulic oil tank after the flow of the cooling plates is disturbed, so that the effect of self-precipitating impurities in the hydraulic oil tank can be achieved.
In fig. 1, a hot oil output pipe 10 is arranged at the bottom of an oil return chamber where an oil return pipe of the tank body is located, a cooling oil return pipe 11 is arranged in an oil outlet chamber where the oil return pipe of the tank body is located, the oil return chamber is formed by enclosing an upper cooling plate and a lower cooling plate on the leftmost side and the side wall of the tank body, an outlet of the oil return chamber is a gap between the upper cooling plate and the lower cooling plate, similarly, the oil outlet chamber is formed by enclosing an upper cooling plate and a lower cooling plate on the rightmost side and the side wall of the tank body, and an inlet of the oil outlet chamber is a gap between the upper cooling plate and the lower cooling plate.
Referring to fig. 4, the extracorporeal cooling part includes: the cooling system comprises a buffer working tank 7, a main cooling pipeline 8 adopting a serpentine structure and a backup cooling pipeline 9 adopting a serpentine structure. The top of the buffer working tank is connected with a hot oil output pipe 10 through an access pipeline 13, when high-temperature hydraulic oil in the hydraulic oil tank cannot flow into the buffer working tank through self-flow, a delivery pump can be installed on the access pipeline 13, a first pressure relief device 12 is installed on the top of the buffer working tank, the side wall of the buffer working tank is connected with the input end of a main cooling pipeline 8, the main cooling pipeline 8 comprises a first main oil way delivery pipe 8a and a first cooling medium delivery sleeve 8b sleeved outside the first main oil way delivery pipe, the flow direction of a cooling medium of the first cooling medium delivery sleeve is opposite to that of the oil of the first main oil way delivery pipe, the first cooling medium delivery sleeve 8b delivers the oil from left to right, the first cooling medium delivery sleeve 8b delivers the cooling medium from right to left, the cooling medium flows through the inside to carry out heat exchange on the high-temperature hydraulic oil, and further reduce, the output end of the first main oil way delivery pipe is connected with a main filtering box body 14, the main filtering box body is a square box body, the capacity is controlled to be 3-5 cubic meters, the square box body is provided with filter screens which are arranged in a diagonal line mode so as to filter impurities in hydraulic oil, the main filtering box body is provided with a first return pipe 15 connected with a cooling oil return pipe 11, and after cooled hydraulic oil flows back to a hydraulic oil tank, the cooled hydraulic oil can be quickly output to oil consumption equipment through an oil outlet pipe.
In fig. 4, the side wall of the buffer working tank is further connected with an input end of a backup cooling pipeline 9, a second pressure relief device 16 is installed on a pipeline connecting the backup cooling pipeline 9 and the buffer working tank, the backup cooling pipeline 9 comprises a second main oil way delivery pipe 9a and a second cooling medium delivery sleeve 9b sleeved outside the second main oil way delivery pipe, the flow direction of a cooling medium of the second cooling medium delivery sleeve is opposite to the flow direction of an oil of the second main oil way delivery pipe, the oil of the second main oil way delivery pipe is delivered from right to left, so that the cooling medium of the second cooling medium delivery sleeve is delivered from left to right, an output end of the second main oil way delivery pipe is connected with a backup filter box 17, the backup filter box is a square box body, a filter screen arranged diagonally is arranged inside the square box body, the filter screens installed on the main filter box body and the backup filter box body are made of glass fiber mesh 21, the backup filter tank is provided with a second return pipe 18 connected to the cooling oil return pipe 11, and the backup cooling line does not work at ordinary times, and performs cooling operation only in the case where the second pressure relief device is damaged, and of course, the backup cooling line can be manually started in the case where the main cooling line is clogged or fails.
In the scheme, a first conveying pump 19 is arranged on the main cooling pipeline 8 close to the input pipeline of the buffer working tank, and a second conveying pump 20 is arranged on the backup cooling pipeline 9 close to the output pipeline of the backup filtering tank. Because the backup cooling pipeline is started only when the instantaneous high pressure is impacted, the second conveying pump is connected into the system after passing through the snake-shaped backup cooling pipeline, and the second conveying pump is prevented from being damaged by the instantaneous high-pressure synchronous impact.
It should be noted that an air filter 6 may be disposed in the gap between the adjacent upper cooling plates, the air filter is fixed to the top plate of the box body, the air filter prevents the hydraulic oil inside the hydraulic oil tank from being polluted by dust in the air, and the air filter can ensure that no negative pressure is generated in the gap between the upper cooling plates.
In this embodiment, the cooling media of the main cooling pipeline 8 and the backup cooling pipeline 9 are cold air or cooling water, and the cooling media of the upper cooling plate and the lower cooling plate can also be cold air or cooling water, and certainly, in a low-temperature environment, when the hydraulic oil needs to be rapidly heated to meet the requirement of equipment operation, the heating operation can be performed by using the present invention, and at this time, the cooling media in the upper cooling plate, the lower cooling plate, the main cooling pipeline and the backup cooling pipeline are replaced by heating media, and the heating media can be hot water or hot air.
Referring to fig. 5, as can be seen from the installation cross-sectional view of the upper cooling plate and the top plate of the tank body, an upper cooling plate installation groove is arranged on the top plate, a sealing ring 22 which is installed between the groove wall of the groove and the upper cooling plate in a tight fit manner is arranged in the groove and surrounds the upper cooling plate, a sealing cover 23 which is installed on the top of the first left vertical flow passage 4a and the top of the first right vertical flow passage is arranged on the top plate of the upper cooling plate, the sealing cover is fixed on the top plate through a screw (bolt) 24, an upper cooling medium inflow pipe 4d installation channel is arranged on the sealing cover, an upper channel which is matched with the upper cooling medium inflow pipe 4d installation channel is arranged on the top plate of the tank body above the upper cooling medium inflow pipe 4d installation channel, an internal thread hole can be adopted in the upper cooling medium inflow pipe 4d installation channel, so that the upper cooling medium inflow pipe 4d can be installed, the top plate of the box body above the upper cooling medium outflow pipeline 4e is provided with an upper channel matched with the upper cooling medium outflow pipeline 4e, the upper cooling medium outflow pipeline 4e can be provided with an internal thread hole, so that the upper cooling medium outflow pipeline 4e can be installed in a thread structure, it is noted that the upper cooling medium inflow pipeline 4d is connected with a cold source, such as a cooling air supply system and a cooling water supply system, while the upper cooling medium outflow pipeline 4e is connected with a cold source recovery system, such as a recovery tank, and after cooling of the cooling medium in the recovery tank, the cooling medium can be returned to the cold source. The above provides the mounting means of last cooling plate, and the mounting means of lower cooling plate can refer to the mounting structure of last cooling plate, for example, the mounting groove of cooling plate under the box bottom plate sets up, install the sealing washer that is located between groove cell wall and the cooling plate down through the tight fit in the mounting groove of cooling plate down, and the cooling runner bottom of cooling plate is provided with the closing cap down equally, the closing cap is provided with the outer hole of female thread structure, respective outer pipe passes through the helicitic texture and installs in the outer hole of female thread structure, when the cooling plate is metal material, the closing cap can the welded mounting take one's place, be non-metal material when the cooling plate, can adopt gluing agent bonding fixed mode installation closing cap.
Referring to fig. 6, in the present embodiment, the first pressure relief device and the second pressure relief device are of the same structure, and in fig. 6, the first pressure relief device includes a cylinder 26 with flanges at both ends, the cylinder is provided with a pressure relief inner channel, the pressure relief inner channel comprises an upper pressure relief inner channel with an internal thread structure and a lower pressure relief inner channel with an internal thread structure, a pressure relief film mounting position is arranged between the upper pressure relief inner channel and the lower pressure relief inner channel, an upper external thread sleeve 27 is mounted on the upper pressure relief inner channel, a lower external thread sleeve 28 is mounted on the lower pressure relief inner channel, an upper pressure relief film press-mounting ring 29 is press-mounted at the bottom of the upper external thread sleeve 27, a lower pressure relief film press-mounting ring 30 is press-mounted at the top of the lower external thread sleeve, the pressure relief film 31 is pressed between the upper pressure relief film pressing ring and the lower pressure relief film pressing ring, and the inner channels of the upper external thread sleeve and the lower external thread sleeve can be communicated with pipelines at two ends of the pressure relief device after the pressure relief film is broken. The thickness of the pressure relief film of the first pressure relief device is controlled to be 2-3.5mm, and the thickness of the pressure relief film of the second pressure relief device is controlled to be 4-6mm, so that the situation that the two pressure relief devices are simultaneously opened by impact due to overlarge instantaneous pressure inside the hydraulic oil tank can be avoided, and only under the condition of quite large pressure, the second pressure relief device is opened to enable the backup cooling system to work.
After hydraulic tank began the fuel feeding, high temperature hydraulic oil flows back to hydraulic tank, can carry out the cooling operation through hydraulic tank's internal cooling portion, still is higher than the default when the inside oil temperature of hydraulic tank, then opens external cooling portion and carries out work, and the cooling oil is loopbacked to the grease outlet chamber through the cooling of external cooling portion.
Certainly, as an improvement, can install temperature sensor at the oil outlet chamber, and install the control valve at the input of external cooling portion, and temperature sensor, control valve, each water pump of external cooling portion are connected in the PLC controller, and when temperature sensor detected oil outlet chamber oil temperature and is higher than the default, then the PLC controller started external cooling portion, otherwise closed external cooling portion.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A hydraulic tank for a scrap crusher apparatus, comprising:
a box body;
an oil return pipe arranged on the box body;
an oil outlet pipe arranged on the box body;
its characterized in that, the box is provided with internal cooling portion and external cooling portion, internal cooling portion includes: the cooling structure comprises a plurality of upper cooling plates and a plurality of lower cooling plates, wherein the upper cooling plates and the lower cooling plates are alternately arranged in a box body, the tops of the upper cooling plates are fixed on a top plate of the box body, the bottoms of the lower cooling plates are fixed on a bottom plate of the box body, and the tops of the lower cooling plates extend into gaps between the adjacent upper cooling plates;
the upper cooling plate is provided with a first left vertical flow channel close to the left surface of the upper cooling plate, a first lower transverse flow channel close to the bottom of the upper cooling plate and communicated with the first left vertical flow channel, and a first right vertical flow channel close to the right surface of the upper cooling plate and communicated with the first lower transverse flow channel;
the lower cooling plate is provided with a second left vertical flow channel close to the left side surface of the lower cooling plate, a second upper transverse flow channel close to the top of the lower cooling plate and communicated with the second left vertical flow channel, and a second right vertical flow channel close to the right side surface of the lower cooling plate and communicated with the second upper transverse flow channel;
a hot oil output pipe is arranged at the bottom of an oil return chamber where an oil return pipe of the box body is positioned, and a cooling oil return pipe is arranged in the oil outlet chamber where the oil outlet pipe of the box body is positioned;
the extracorporeal cooling section includes: the cooling system comprises a buffer working tank, a main cooling pipeline adopting a serpentine structure and a backup cooling pipeline adopting a serpentine structure, wherein the top of the buffer working tank is connected to a hot oil output pipe through an access pipeline, a first pressure relief device is mounted at the top of the buffer working tank, the side wall of the buffer working tank is connected to the input end of the main cooling pipeline, the main cooling pipeline comprises a first main oil way conveying pipe and a first cooling medium conveying sleeve sleeved outside the first main oil way conveying pipe, the flow direction of a cooling medium of the first cooling medium conveying sleeve is opposite to that of the oil of the first main oil way conveying pipe, the output end of the first main oil way conveying pipe is connected with a main filtering box body, and the main filtering box body is provided with a first return pipe connected with a cooling oil return pipe;
the side wall of the buffer working tank is also connected with an input end of a backup cooling pipeline, a pipeline of the backup cooling pipeline connected with the buffer working tank is provided with a second pressure relief device, the backup cooling pipeline comprises a second main oil way conveying pipe and a second cooling medium conveying sleeve sleeved outside the second main oil way conveying pipe, the flow direction of a cooling medium of the second cooling medium conveying sleeve is opposite to that of an oil material of the second main oil way conveying pipe, the output end of the second main oil way conveying pipe is connected with a backup filtering box body, and the backup filtering box body is provided with a second return pipe connected with a cooling oil return pipe;
the main cooling pipeline is close to the input pipeline of the buffer working tank body and is provided with a first delivery pump, and the backup cooling pipeline is close to the output pipeline of the backup filtering tank body and is provided with a second delivery pump.
2. The hydraulic oil tank of a scrap crusher apparatus according to claim 1, wherein an air filter is provided in the gap between the adjacent upper cooling plates, the air filter being fixed to the ceiling of the tank.
3. The hydraulic oil tank of a scrap crusher device according to claim 1, wherein the thickness of the pressure relief film of the second pressure relief device is larger than that of the first pressure relief device.
4. The hydraulic oil tank of a scrap steel crusher device in accordance with claim 1, wherein the main filtering tank and the backup filtering tank are installed with a glass fiber net for filtering oil.
5. The hydraulic oil tank of a scrap crusher device in accordance with claim 1, wherein the interval between the adjacent upper cooling plates is 5-10 cm;
the top of the lower cooling plate is 10-25cm higher than the bottom of the upper cooling plate.
6. The hydraulic oil tank of a scrap crusher device in accordance with claim 1, wherein the cooling medium of the main cooling line having the serpentine structure and the backup cooling line having the serpentine structure is cool air or cooling water.
7. The hydraulic oil tank of a scrap steel crusher device according to claim 1, wherein the first pressure relief device and the second pressure relief device are the same pressure relief structure, and the pressure relief structure comprises: the cylinder of ring flange is taken at both ends, the cylinder is provided with passageway in the pressure release, passageway in the pressure release includes the last pressure release of taking internal thread structure in the passageway, passageway in the lower pressure release of taking internal thread structure, upward have pressure release membrane installation position in the pressure release between passageway and the pressure release down, upward the external screw thread cover is installed to the passageway in the pressure release, external screw thread cover is installed down to the passageway in the pressure release down, upward pressure release membrane pressure equipment ring is equipped with to external screw thread cover bottom pressure, pressure release membrane pressure equipment ring is equipped with down at external screw thread cover top pressure down, pressure release membrane is equipped with between last pressure release membrane pressure equipment ring and the pressure release membrane pressure equipment ring down.
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| CN201910379380.7A CN110094374B (en) | 2019-05-08 | 2019-05-08 | Hydraulic oil tank of scrap steel crusher equipment |
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| CN201910379380.7A CN110094374B (en) | 2019-05-08 | 2019-05-08 | Hydraulic oil tank of scrap steel crusher equipment |
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| CN110094374B true CN110094374B (en) | 2020-04-14 |
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| CN102003422A (en) * | 2010-12-31 | 2011-04-06 | 龙工(上海)机械制造有限公司 | Hydraulic oil tank for loading machine |
| JP5252052B2 (en) * | 2011-09-13 | 2013-07-31 | ダイキン工業株式会社 | hydraulic unit |
| CN104454680A (en) * | 2014-11-24 | 2015-03-25 | 常州市耐力工具厂 | Hydraulic oil tank |
| CN205895775U (en) * | 2016-07-28 | 2017-01-18 | 泸州三联工程机械有限公司 | Control by temperature change type mobile crane hydraulic tank |
| CN209146010U (en) * | 2018-12-05 | 2019-07-23 | 招金矿业股份有限公司蚕庄金矿 | A kind of hydraulic station fuel tank for installing cooling device |
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2019
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Address after: Jiading District 201812 Shanghai City Cao Feng Road No. 319 building 7 layer 2-3 Patentee after: Shanghai Chanan renewable resources Co.,Ltd. Address before: Jiading District 201812 Shanghai City Cao Feng Road No. 319 building 7 layer 2-3 Patentee before: SHANGHAI CHANAN RENEWABLE RESOURCES Co.,Ltd. |
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