CN117329196B - Hydraulic oil cylinder self-cooled by hydraulic oil - Google Patents
Hydraulic oil cylinder self-cooled by hydraulic oil Download PDFInfo
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- CN117329196B CN117329196B CN202311370397.9A CN202311370397A CN117329196B CN 117329196 B CN117329196 B CN 117329196B CN 202311370397 A CN202311370397 A CN 202311370397A CN 117329196 B CN117329196 B CN 117329196B
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 80
- 239000003921 oil Substances 0.000 claims abstract description 106
- 238000001816 cooling Methods 0.000 claims abstract description 88
- 238000003860 storage Methods 0.000 claims description 37
- 238000011084 recovery Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000003129 oil well Substances 0.000 claims 3
- 238000005192 partition Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1485—Special measures for cooling or heating
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
-
- 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
- F15B21/0423—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- 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 discloses a hydraulic oil cylinder self-cooled by hydraulic oil, which relates to the technical field of hydraulic oil cylinders and comprises the following components: the device comprises a top seat and a cylinder body, wherein the cylinder body is fixedly arranged on the inner surface of the top seat, an output rod is arranged in the cylinder body, a heat conducting pad is arranged on the outer surface of the cylinder body, and a plurality of fins are uniformly and fixedly connected to the outer surface of the heat conducting pad; the hydraulic assembly is fixedly connected to the outer surface of the cylinder body and comprises a first oil inlet and a second oil inlet. This hydraulic cylinder using hydraulic oil self-cooling, through the setting that circulates the alternate use to intraductal hydraulic oil of cover, the hydraulic oil of high temperature can be sent into the circulating pipe and remain for a long time and cool down the work, so can utilize the radiator fan that cost and power are lower to accomplish the cooling to hydraulic oil, greatly reduced hydraulic cylinder's use cost.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder self-cooled by hydraulic oil.
Background
Hydraulic rams are a common type of hydraulic transmission used to convert hydraulic energy into mechanical energy. The hydraulic cylinder is widely applied to the fields of mechanical engineering, metallurgy, aerospace, construction and the like, common applications comprise hoisting machinery, an excavator, an injection molding machine, a punching machine and the like, and the hydraulic cylinder has the advantages of simple structure, convenient operation, large output torque and the like and is an indispensable important device in the field of modern engineering.
In the prior art, the traditional hydraulic cylinder carries out cooling in the conveying process of hydraulic oil, and the retention time of hydraulic oil through cooling device is shorter, in order to reach better cooling efficiency in the transient conveying process, need use high-power cooling equipment in order to satisfy the cooling demand, it consumes the energy more, has promoted use cost greatly, is unfavorable for extensive popularization.
We have therefore proposed a hydraulic ram that uses hydraulic oil self-cooling in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a hydraulic cylinder using hydraulic oil for self-cooling, which aims to solve the problems that the prior art provided by the background technology uses high-power cooling equipment to meet the cooling requirement, consumes more energy, greatly improves the use cost and is not beneficial to large-area popularization.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hydraulic ram self-cooling using hydraulic oil, comprising: the device comprises a top seat and a cylinder body, wherein the cylinder body is fixedly arranged on the inner surface of the top seat, an output rod is arranged in the cylinder body, a heat conducting pad is arranged on the outer surface of the cylinder body, and a plurality of fins are uniformly and fixedly connected to the outer surface of the heat conducting pad; the hydraulic assembly is fixedly connected to the outer surface of the cylinder body and comprises a first oil inlet and a second oil inlet, the first oil inlet and the second oil inlet are respectively communicated with the outer surfaces of the two sides of the cylinder body, a sleeve is fixedly connected between the end faces of the first oil inlet and the second oil inlet, two communicating pipes are fixedly connected to the outer surface of the sleeve, a first oil pump is arranged between the two communicating pipes, and a first electromagnetic valve is arranged inside each of the two communicating pipes; the recovery assembly is fixedly connected to the center position of the outer surface of the sleeve, the recovery assembly comprises an oil suction pipe, the end face of the oil suction pipe is fixedly connected with a second oil pump, the output end of the second oil pump is fixedly connected with a recovery pipe, and the end face of the recovery pipe is fixedly connected with an oil storage tank; the oil storage tank comprises two oil storage tanks, wherein the number of the oil storage tanks is two, the oil storage tanks are fixedly connected with the outer surfaces of the oil storage tanks, and the oil storage tanks are connected with the oil storage tanks through collecting pipes; the cooling assembly is fixedly connected between the outer surfaces of the fins and comprises a first communicating block and a second communicating block.
Preferably, the sleeve outer surface is in threaded connection with a sealing cover near the end surface, the inner bottom of the sealing cover is fixedly connected with a connecting rod, and the length of the connecting rod is equal to the depth of the sleeve.
Preferably, the connecting rod surface equidistance fixedly connected with a plurality of screwed pipes, a plurality of equal symmetry screwed connection of screwed pipe surface has the nut, and wherein two screwed pipe surface cover is equipped with the filter core, another screwed pipe surface cover is equipped with the baffle, the baffle is located central point, baffle surface and sleeve pipe internal surface laminating, the baffle surface is provided with the rubber circle.
Preferably, the inner surface of the oil storage tank is in threaded connection with an inner cover, the upper end surface of the inner cover is fixedly connected with a cover plate, and the upper surface of the cover plate is fixedly connected with a lug.
Preferably, the inner bottom of the inner cover is fixedly connected with a connecting plate, a plurality of first temperature sensors are fixedly connected to the outer surface of the connecting plate at equal intervals, and a liquid level sensor is fixedly connected to the inner bottom of the inner cover at a position close to the front side of the connecting plate.
Preferably, the collecting pipe is communicated with the oil storage tank, the end face of the collecting pipe is fixedly connected with a third oil pump, the output end of the third oil pump is fixedly connected with a circulating pipe, a second electromagnetic valve is arranged in the circulating pipe and close to the end face of the other side, and the two circulating pipes are respectively communicated with the sleeve and the first communicating block.
Preferably, the inner surfaces of the two sides of the shell are symmetrically and fixedly connected with the fixing seats, the circulating pipe is fixedly connected between the inner surfaces of the plurality of fixing seats, the center positions of the inner surfaces of the two sides of the shell are fixedly connected with second temperature sensors, and the second temperature sensors are matched with the positions of the circulating pipe.
Preferably, ventilation slots are formed in the outer surfaces of two sides of the shell, a radiator fan is fixedly connected to the positions, close to the ventilation slots, of the outer surfaces of two sides of the shell, and a dust cover is fixedly connected to the outer surfaces of the radiator fan.
Preferably, a plurality of cooling pipes are uniformly and fixedly connected between the first communicating block and the second communicating block, the first communicating block and the second communicating block are communicated with the cooling pipes, and the outer surfaces of the cooling pipes are attached to the outer surfaces of the fins.
Preferably, the second communicating block is fixedly connected with a connecting pipe on the outer surface, and the connecting pipe is communicated with the oil storage tank.
Compared with the prior art, the invention has the beneficial effects that:
1. When the hydraulic oil cylinder is used, hydraulic oil exists in the sleeve, the telescopic control of the output pipe can be realized by matching the operation of the first oil pump and the first electromagnetic valve, after the temperature of the hydraulic oil in the sleeve is raised for a period of time, the second oil pump is started to pump the high-temperature hydraulic oil in the sleeve into the oil storage tank to finish collecting, the third oil pump and the second electromagnetic valve are started, the cooled hydraulic oil in the circulating pipe can be sent into the sleeve to continue to be used, then the second electromagnetic valve is closed to continue to start the third oil pump to pump the high-temperature hydraulic oil collected in the oil storage tank into the circulating pipe, the hydraulic oil in the circulating pipe is cooled through the operation of the cooling fan, the high-temperature hydraulic oil can be sent into the circulating pipe to be kept for a longer time for cooling operation, and therefore the cooling fan with lower cost and power can be utilized to finish cooling and cooling the hydraulic oil, and the use cost of the hydraulic oil cylinder is greatly reduced.
2. Through the cooperation setting of heat conduction pad and fin, can make the heat that the cylinder body produced and air have great area of contact, thereby can have better radiating efficiency supplementary cylinder body to cool down the heat dissipation, after carrying into first communicating block with the refrigerated hydraulic oil, the refrigerated hydraulic oil flows through the cooling tube and sends into the second communicating block, the hydraulic oil can accomplish the heat exchange with the fin contact when passing through the cooling tube, thereby can assist the fin to scatter the heat sooner, have better cooling effect to the cylinder body, effectively ensured the steady operation of cylinder body, promoted hydraulic cylinder's life.
3. Can avoid impurity to get into in the cylinder body and lead to the cylinder body to take place wearing and tearing through the setting of filter core, promoted hydraulic cylinder's life, the cooperation setting through sealed lid and connecting rod can be convenient with baffle and filter core extraction maintenance clearance, can conveniently pull down baffle and filter core alone through the cooperation setting of screwed pipe and nut for maintenance work is comparatively convenient.
Drawings
FIG. 1 is a perspective view of a hydraulic ram of the present invention using hydraulic oil for self-cooling;
FIG. 2 is a top view of a hydraulic ram of the present invention using hydraulic oil for self-cooling;
FIG. 3 is a schematic diagram of a fin structure of a hydraulic cylinder using hydraulic oil self-cooling according to the present invention;
FIG. 4 is a schematic view of a hydraulic assembly of a hydraulic ram using hydraulic oil self-cooling according to the present invention;
FIG. 5 is a schematic view of a recovery assembly of a hydraulic cylinder using hydraulic oil self-cooling according to the present invention;
FIG. 6 is a schematic diagram of a cooling assembly of a hydraulic cylinder using hydraulic oil for self-cooling according to the present invention;
FIG. 7 is a schematic diagram of a cooling assembly of a hydraulic cylinder using hydraulic oil for self-cooling according to the present invention;
fig. 8 is a schematic diagram of a cooling assembly of a hydraulic cylinder using hydraulic oil self-cooling according to the present invention.
In the figure:
1. A top base; 2. a cylinder; 3. an output lever; 4. a hydraulic assembly; 401. a first oil inlet; 402. a second oil inlet; 403. a sleeve; 404. a communicating pipe; 405. a first oil pump; 406. a first electromagnetic valve; 407. sealing cover; 408. a connecting rod; 409. a threaded tube; 410. a nut; 411. a filter element; 412. a partition plate; 413. a rubber ring; 5. fins; 6. a recovery assembly; 601. an oil storage tank; 602. a recovery pipe; 603. the second oil pump; 604. an oil suction pipe; 605. an inner cover; 606. a cover plate; 607. a connecting plate; 608. a first temperature sensor; 609. a liquid level sensor; 7. a cooling component; 701. a collection pipe; 702. the third oil pump; 703. a circulation pipe; 704. a second electromagnetic valve; 705. a housing; 706. a fixing seat; 707. a second temperature sensor; 708. a heat radiation fan; 709. a dust cover; 8. a cooling assembly; 801. a first communication block; 802. a cooling tube; 803. a second communicating block; 804. and (5) connecting pipes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides the following technical solutions: a hydraulic ram self-cooling using hydraulic oil, comprising: the device comprises a top seat 1 and a cylinder body 2, wherein the cylinder body 2 is fixedly arranged on the inner surface of the top seat 1, an output rod 3 is arranged in the cylinder body 2, a heat conducting pad is arranged on the outer surface of the cylinder body 2, and a plurality of fins 5 are uniformly and fixedly connected to the outer surface of the heat conducting pad; the hydraulic assembly 4 is fixedly connected to the outer surface of the cylinder body 2, the hydraulic assembly 4 comprises a first oil inlet 401 and a second oil inlet 402, the first oil inlet 401 and the second oil inlet 402 are respectively communicated with the outer surfaces of two sides of the cylinder body 2, a sleeve 403 is fixedly connected between the end faces of the first oil inlet 401 and the second oil inlet 402, two communicating pipes 404 are fixedly connected to the outer surface of the sleeve 403, a first oil pump 405 is arranged between the two communicating pipes 404, and a first electromagnetic valve 406 is arranged inside the two communicating pipes 404; the recovery assembly 6 is fixedly connected to the center of the outer surface of the sleeve 403, the recovery assembly 6 comprises an oil suction pipe 604, the end face of the oil suction pipe 604 is fixedly connected with a second oil pump 603, the output end of the second oil pump 603 is fixedly connected with a recovery pipe 602, and the end face of the recovery pipe 602 is fixedly connected with an oil storage tank 601; the number of the cooling assemblies 7 is two, the two cooling assemblies 7 are respectively and fixedly connected to the outer surfaces of two sides of the oil storage tank 601, and the cooling assemblies 7 comprise a collecting pipe 701 and a shell 705; the cooling assembly 8, the cooling assembly 8 is fixedly connected between the outer surfaces of the fins 5, and the cooling assembly 8 comprises a first communicating block 801 and a second communicating block 803.
As shown in fig. 4, the outer surface of the sleeve 403 is in threaded connection with a sealing cover 407 near the end surface, a connecting rod 408 is fixedly connected at the bottom of the sealing cover 407, the length of the connecting rod 408 is equal to the depth of the sleeve 403, the sealing cover 407 can be directly screwed to be separated from the sleeve 403, and the sealing cover 407 can drive the connecting rod 408 to be taken out from the sleeve 403 after being screwed out, so that the inside of the sleeve 403 is cleaned and maintained conveniently.
As shown in fig. 4, a plurality of screwed pipes 409 are fixedly connected to the outer surface of the connecting rod 408 at equal intervals, nuts 410 are symmetrically screwed to the outer surfaces of the screwed pipes 409, a filter element 411 is sleeved on the outer surfaces of the two screwed pipes 409, a partition plate 412 is sleeved on the outer surfaces of the other screwed pipes 409, the partition plate 412 is located at the center position, the outer surfaces of the partition plate 412 are attached to the inner surface of the sleeve 403, a rubber ring 413 is arranged on the outer surfaces of the partition plate 412, after the nuts 410 are loosened, the partition plate 412 and the filter element 411 are removed, after the nuts 410, the filter element 411 and the partition plate 412 are sequentially replaced, the partition plate 412 and the filter element 411 can be respectively fixed at the outer positions of the screwed pipes 409, the partition plate 412 can separate the inside of the sleeve 403, hydraulic oil is respectively input into the cylinder body 2 from the positions of the first oil inlet 401 and the second oil inlet 402 in cooperation with the use of the first oil pump 405 and the first electromagnetic valve 406, so that the expansion control of the output rod 3 is realized, impurities in the hydraulic oil can be prevented from being blocked and filtered through the arrangement of the filter element 411, abrasion of the cylinder body 2 caused by the impurities entering the cylinder body 2 is avoided, and the service life of the hydraulic oil cylinder is prolonged.
As shown in fig. 5, the inner surface of the oil storage tank 601 is screwed with an inner cover 605, the upper end surface of the inner cover 605 is fixedly connected with a cover plate 606, the upper surface of the cover plate 606 is fixedly connected with a bump, high-temperature hydraulic oil recovered by the oil suction pipe 604 and the connecting pipe 804 is conveyed into the oil storage tank 601 through the recovery pipe 602 by the second oil pump 603, the rotating bump can drive the cover plate 606 and the inner cover 605 to rotate, and the inner cover 605 can be separated from the oil storage tank 601 in a rotating manner, so that cleaning and maintenance can be conveniently performed inside the oil storage tank 601.
As shown in fig. 5, a connecting plate 607 is fixedly connected to the inner bottom of the inner cover 605, a plurality of first temperature sensors 608 are fixedly connected to the outer surface of the connecting plate 607 at equal intervals, a liquid level sensor 609 is fixedly connected to the inner bottom of the inner cover 605 near the front side of the connecting plate 607, after the inner cover 605 is screwed into the oil storage tank 601 to be fixed, the connecting plate 607 is completely immersed into hydraulic oil in the oil storage tank 601, and the plurality of first temperature sensors 608 are arranged on the outer side of the connecting plate 607, so that the plurality of first temperature sensors 608 can be used for monitoring the temperature of hydraulic oil with different depths in the oil storage tank 601, thereby having the effect of mutual calibration, and avoiding the layered influence on the accuracy of temperature monitoring caused by the hydraulic oil with different temperatures when being conveyed at different times.
As shown in fig. 6 and 7, the collecting pipe 701 is communicated with the oil storage tank 601, the end surface of the collecting pipe 701 is fixedly connected with the third oil pump 702, the output end of the third oil pump 702 is fixedly connected with the circulating pipe 703, the position, close to the end surface of the other side, inside the circulating pipe 703 is provided with the second electromagnetic valve 704, the two circulating pipes 703 are respectively communicated with the sleeve 403 and the first communicating block 801, the end surface of the collecting pipe 701 extends to the bottom of the oil storage tank 601 to collect high-temperature hydraulic oil in the oil storage tank 601, the third oil pump 702 is started to pump the hydraulic oil into the circulating pipe 703, and the hydraulic oil can be kept in the circulating pipe 703 to wait for cooling through the control of the second electromagnetic valve 704.
As shown in fig. 6 and 7, the inner surfaces of two sides of the housing 705 are symmetrically and fixedly connected with the fixing seats 706, the circulating pipe 703 is fixedly connected between the inner surfaces of the fixing seats 706, the center positions of the inner surfaces of two sides of the housing 705 are fixedly connected with the second temperature sensors 707, the second temperature sensors 707 are matched with the positions of the circulating pipe 703, the temperature of the circulating pipe 703 can be monitored through the arrangement of the second temperature sensors 707, and after the temperature of hydraulic oil is reduced, the second electromagnetic valve 704 can be started to send the hydraulic oil in the two circulating pipes 703 into the sleeve 403 and the first communication block 801 respectively for use.
As shown in fig. 7, ventilation slots are formed on the outer surfaces of two sides of the housing 705, a cooling fan 708 is fixedly connected to the outer surfaces of two sides of the housing 705, which are close to the ventilation slots, a dust cover 709 is fixedly connected to the outer surfaces of the cooling fan 708, after high-temperature hydraulic oil is pumped into the circulation pipe 703, the cooling fans 708 on two sides are started, and the cooling fans 708 on two sides are simultaneously operated to blow air outwards, so that the heat of the hydraulic oil in the circulation pipe 703 can be brought out to complete cooling, dust can be prevented from entering the surface of the circulation pipe 703 to affect heat conduction efficiency through the arrangement of the dust cover 709, and therefore the heat dissipation efficiency of the circulation pipe 703 is improved.
As shown in fig. 1-3 and fig. 8, a plurality of cooling pipes 802 are uniformly and fixedly connected between the first communicating block 801 and the second communicating block 803, the first communicating block 801 and the second communicating block 803 are all communicated with the cooling pipes 802, the outer surfaces of the cooling pipes 802 are attached to the outer surfaces of the fins 5, the heat conducting pad is fully attached to the outer wall of the cylinder body 2 for conducting heat through the matching arrangement of the heat conducting pad and the fins 5, the heat generated by the cylinder body 2 and the air can have a larger contact area through the matching of the fins 5, so that better heat dissipation efficiency can be achieved, after the cooled hydraulic oil is conveyed into the first communicating block 801, the cooled hydraulic oil flows through the cooling pipes 802 to be conveyed into the second communicating block 803, and the hydraulic oil can be in contact with the fins 5 for completing heat exchange when passing through the cooling pipes 802, so that the fins 5 can be assisted in dissipating heat more quickly, and the cylinder body 2 can be cooled better.
As shown in fig. 8, a connecting pipe 804 is fixedly connected to the outer surface of the second communicating block 803, the connecting pipe 804 is in communication with the oil storage tank 601, after hydraulic oil flows into the second communicating block 803 through the cooling pipe 802, the hydraulic oil with heat exchange and temperature rise is sent into the oil storage tank 601 through the connecting pipe 804, and the cooling assembly 7 can continue to circulate to pump out the hydraulic oil for cooling.
The application method and the working principle of the device are as follows: when the hydraulic cylinder is used, hydraulic oil exists in the sleeve 403, the partition 412 can separate the sleeve 403, the hydraulic oil is respectively input into the cylinder 2 from the first oil inlet 401 and the second oil inlet 402 by matching with the use of the first oil pump 405 and the first electromagnetic valve 406, so that the telescopic control of the output rod 3 is realized, impurities can be prevented from entering the cylinder 2 to cause abrasion of the cylinder 2 by the arrangement of the filter element 411, the service life of the hydraulic cylinder is prolonged, the partition 412 and the filter element 411 can be conveniently extracted by matching the sealing cover 407 and the connecting rod 408, the partition 412 and the filter element 411 can be conveniently detached independently by matching the threaded pipe 409 and the nut 410, the maintenance work is more convenient, after the hydraulic oil in the sleeve 403 is heated for a period of time by the arrangement of the oil suction pipe 604, the oil suction pipe 604 is positioned at one side of the partition plate 412 far away from the circulating pipe and extends to the bottom of the sleeve 403, the second oil pump 603 is started to suck high-temperature hydraulic oil in the sleeve 403 into the oil storage tank 601 through the recovery pipe 602 to finish collection, the second electromagnetic valve 704 and the third oil pump 702 are started while oil is pumped, the hydraulic oil cooled in the circulating pipe 703 can be conveyed into the sleeve 403 for use after the second electromagnetic valve 704 is opened, after the hydraulic oil in the circulating pipe 703 is emptied, the second electromagnetic valve 704 is closed and the third oil pump 702 is continuously started, the high-temperature hydraulic oil in the oil storage tank 601 can be sucked into the circulating pipe 703 for retention, then the cooling fan 708 is started, the cooling fans 708 at two sides are simultaneously operated to blow outside, the heat of the hydraulic oil in the circulating pipe 703 is brought out to finish cooling, the dust can be prevented from entering the surface of the circulating pipe 703 to influence the heat conducting efficiency through the arrangement of the dust cover 709, thereby promoted the radiating efficiency of circulating pipe 703, through the setting that circulates the alternate use to the hydraulic oil in the sleeve 403, the hydraulic oil of high temperature can be sent into circulating pipe 703 and remain longer cooling work, so can utilize the radiator fan 708 that cost and power are lower to accomplish cooling to hydraulic oil, greatly reduced hydraulic cylinder's use cost, through the cooperation setting of heat conduction pad and fin 5, can make the heat that cylinder body 2 produced have great area of contact with the air, thereby can have better radiating efficiency supplementary cylinder body 2 to cool down the heat dissipation, after carrying into first communicating block 801 with the hydraulic oil that accomplishes the cooling, the hydraulic oil of cooling is sent into second communicating block 803 through cooling tube 802, the hydraulic oil can accomplish the heat exchange through cooling tube 802 with fin 5 contact, thereby can assist fin 5 faster heat dissipation, have better cooling effect to cylinder body 2.
The wiring diagrams of the first oil pump 405, the first solenoid valve 406, the second oil pump 603, the first temperature sensor 608, the liquid level sensor 609, the third oil pump 702, the second solenoid valve 704, the second temperature sensor 707 and the radiator fan 708 in the present invention belong to common general knowledge in the art, and the working principle thereof is a known technology, and the model thereof is selected to be suitable according to actual use, so the control mode and wiring arrangement will not be explained in detail for the first oil pump 405, the first solenoid valve 406, the second oil pump 603, the first temperature sensor 608, the liquid level sensor 609, the third oil pump 702, the second solenoid valve 704, the second temperature sensor 707 and the radiator fan 708.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. A hydraulic ram self-cooling using hydraulic oil, comprising: the novel heat-conducting device comprises a top seat (1) and a cylinder body (2), wherein the cylinder body (2) is fixedly arranged on the inner surface of the top seat (1), an output rod (3) is arranged in the cylinder body (2), a heat-conducting pad is arranged on the outer surface of the cylinder body (2), and a plurality of fins (5) are uniformly and fixedly connected to the outer surface of the heat-conducting pad; the hydraulic assembly (4), hydraulic assembly (4) fixed connection is in cylinder body (2) surface, hydraulic assembly (4) include first oil inlet (401) and second oil inlet (402), first oil inlet (401) and second oil inlet (402) communicate respectively and set up in the both sides surface of cylinder body (2), fixedly connected with sleeve pipe (403) between first oil inlet (401) and second oil inlet (402) terminal surface, sleeve pipe (403) external surface fixedly connected with two communicating pipe (404), two be provided with first oil-well pump (405) between communicating pipe (404), two communicating pipe (404) are inside all to be provided with first solenoid valve (406); the recovery assembly (6), recovery assembly (6) fixed connection is in sleeve pipe (403) surface central point put, recovery assembly (6) are including inhaling oil pipe (604), inhale oil pipe (604) terminal surface fixedly connected with second oil-well pump (603), second oil-well pump (603) output fixedly connected with recovery pipe (602), recovery pipe (602) terminal surface fixedly connected with oil storage tank (601); the oil storage tank comprises two cooling assemblies (7), wherein the number of the cooling assemblies (7) is two, the two cooling assemblies (7) are respectively and fixedly connected to the outer surfaces of two sides of the oil storage tank (601), and each cooling assembly (7) comprises a collecting pipe (701) and a shell (705); the cooling assembly (8), the cooling assembly (8) is fixedly connected between the outer surfaces of the fins (5), and the cooling assembly (8) comprises a first communication block (801) and a second communication block (803);
The collecting pipe (701) is communicated with the oil storage tank (601), a third oil pump (702) is fixedly connected to the end face of the collecting pipe (701), a circulating pipe (703) is fixedly connected to the output end of the third oil pump (702), a second electromagnetic valve (704) is arranged in the circulating pipe (703) and close to the end face of the other side, and the two circulating pipes (703) are respectively communicated with the sleeve (403) and the first communicating block (801);
The inner surfaces of two sides of the shell (705) are symmetrically and fixedly connected with fixing seats (706), the circulating pipe (703) is fixedly connected between the inner surfaces of the plurality of fixing seats (706), the center positions of the inner surfaces of two sides of the shell (705) are fixedly connected with second temperature sensors (707), and the second temperature sensors (707) are matched with the positions of the circulating pipe (703);
The outer surfaces of two sides of the shell (705) are provided with ventilation slots, the positions, close to the ventilation slots, of the outer surfaces of two sides of the shell (705) are fixedly connected with cooling fans (708), and the outer surfaces of the cooling fans (708) are fixedly connected with dust covers (709).
2. The hydraulic ram using hydraulic oil self-cooling according to claim 1, wherein: the sleeve (403) is characterized in that a sealing cover (407) is connected to the outer surface of the sleeve (403) close to the end face in a threaded mode, a connecting rod (408) is fixedly connected to the inner bottom of the sealing cover (407), and the length of the connecting rod (408) is equal to the depth of the sleeve (403).
3. The hydraulic ram using hydraulic oil self-cooling according to claim 2, wherein: the connecting rod (408) surface equidistance fixedly connected with a plurality of screwed pipes (409), a plurality of equal symmetry threaded connection of screwed pipe (409) surface has nut (410), and wherein two screwed pipe (409) surface cover is equipped with filter core (411), and another screwed pipe (409) surface cover is equipped with baffle (412), baffle (412) are located central point, baffle (412) surface and sleeve pipe (403) internal surface laminating, baffle (412) surface is provided with rubber circle (413).
4. The hydraulic ram using hydraulic oil self-cooling according to claim 1, wherein: the oil storage tank is characterized in that an inner cover (605) is connected to the inner surface of the oil storage tank (601) in a threaded mode, a cover plate (606) is fixedly connected to the upper end face of the inner cover (605), and a protruding block is fixedly connected to the upper surface of the cover plate (606).
5. The hydraulic ram using hydraulic oil self-cooling as recited in claim 4, wherein: the inner bottom of the inner cover (605) is fixedly connected with a connecting plate (607), a plurality of first temperature sensors (608) are fixedly connected to the outer surface of the connecting plate (607) at equal intervals, and a liquid level sensor (609) is fixedly connected to the inner bottom of the inner cover (605) at a position close to the front side of the connecting plate (607).
6. The hydraulic ram using hydraulic oil self-cooling according to claim 1, wherein: a plurality of cooling pipes (802) are uniformly and fixedly connected between the first communicating block (801) and the second communicating block (803), the first communicating block (801) and the second communicating block (803) are communicated with the cooling pipes (802), and the outer surfaces of the cooling pipes (802) are attached to the outer surfaces of the fins (5).
7. The hydraulic ram using hydraulic oil self-cooling according to claim 1, wherein: the outer surface of the second communicating block (803) is fixedly connected with a connecting pipe (804), and the connecting pipe (804) is communicated with the oil storage tank (601).
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| CN202311370397.9A CN117329196B (en) | 2023-10-23 | 2023-10-23 | Hydraulic oil cylinder self-cooled by hydraulic oil |
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| CN202311370397.9A CN117329196B (en) | 2023-10-23 | 2023-10-23 | Hydraulic oil cylinder self-cooled by hydraulic oil |
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| CN117329196B true CN117329196B (en) | 2024-04-16 |
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| CN212377011U (en) * | 2020-04-21 | 2021-01-19 | 无锡宏锦液压机械有限公司 | Self-heat-dissipation hydraulic oil cylinder device |
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| CN115727038A (en) * | 2022-10-27 | 2023-03-03 | 江苏同德液压机械有限公司 | Anti-overheating and corrosion-resistant hydraulic oil cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10502245B2 (en) * | 2017-08-29 | 2019-12-10 | Hamilton Sundstrand Corporation | Actuator cooling flow limiter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212377011U (en) * | 2020-04-21 | 2021-01-19 | 无锡宏锦液压机械有限公司 | Self-heat-dissipation hydraulic oil cylinder device |
| CN112128162A (en) * | 2020-09-18 | 2020-12-25 | 马鞍山聚力科技有限公司 | Hydraulic oil cylinder for liquid cooling impact-resistant mine |
| CN214304623U (en) * | 2020-11-03 | 2021-09-28 | 无锡市一源液压机械有限公司 | Hydraulic cylinder top cap with quick heat dissipation |
| CN113775599A (en) * | 2021-11-02 | 2021-12-10 | 杭州谦泰五金机械制造有限公司 | Temperature-reduction type explosion-proof early-warning hydraulic oil cylinder |
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