CN114934926B - Hydraulic cylinder cooling device - Google Patents
Hydraulic cylinder cooling device Download PDFInfo
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- CN114934926B CN114934926B CN202210676572.6A CN202210676572A CN114934926B CN 114934926 B CN114934926 B CN 114934926B CN 202210676572 A CN202210676572 A CN 202210676572A CN 114934926 B CN114934926 B CN 114934926B
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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
- F15B15/1423—Component parts; Constructional details
- F15B15/1485—Special measures for cooling or heating
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Abstract
The invention discloses a hydraulic cylinder cooling device, which relates to the technical field of hydraulic cylinder cooling and comprises a flow guide mechanism and a cooling mechanism capable of cooling hydraulic cylinder oil, wherein a first sealing cover and a second sealing cover are vertically and oppositely clamped to form a closed flow guide cavity, the top end of a support column extends into the second sealing cover and is fixedly connected with the bottom end of a heat exchange seat, the end part of an extraction pipe extends to the bottom end of the interior of a liquid storage box, the heat exchange seat is of a hollow spherical structure, the end part of a liquid guide pipe extends to the top end of the interior of the heat exchange seat and is connected with a spray head, the end part of each branch pipe is communicated with the interior of the liquid storage box, and a flow guide gap is formed between the outer wall of the heat exchange seat of the hollow spherical structure and the inner wall of a hollow hemispherical structure formed by the first sealing cover and the second sealing cover. According to the invention, high-temperature hydraulic cylinder oil can enter the drainage gap, and the hydraulic cylinder oil flowing into the drainage gap can flow downwards along the outer wall of the heat exchange base with the hollow spherical structure to realize heat exchange, so that the hydraulic cylinder oil can be rapidly cooled, and the service life of elements is prolonged.
Description
Technical Field
The invention relates to the technical field of hydraulic oil cylinder cooling, in particular to a hydraulic oil cylinder cooling device.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, a hydraulic system cannot avoid certain energy loss in the process of energy transmission, so that the temperature of hydraulic oil is increased, the viscosity of the hydraulic oil is reduced due to overhigh temperature, the lubricating performance of the working liquid is reduced when the viscosity of the working liquid is reduced, the abrasion failure of the element is accelerated, and the service life of the element is shortened.
Disclosure of Invention
The present invention is directed to a hydraulic cylinder cooling device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hydraulic cylinder cooling device, includes water conservancy diversion mechanism and can cool off the cooling body of hydraulic cylinder oil, and water conservancy diversion mechanism includes first closing cap and second closing cap, and just first closing cap and second closing cap are cavity hemispherical structure, just right block and constitution confined drainage cavity about first closing cap and the second closing cap, use as the cooling place.
The liquid inlet is formed in the upper end of the first sealing cover, the liquid inlet is provided with a liquid inlet pipe, the liquid inlet pipe is in seamless butt joint with the oil outlet of the hydraulic cylinder, and hydraulic cylinder oil can enter the drainage cavity to be cooled.
A liquid outlet is formed in the bottom end of the outer wall of the second sealing cover, a liquid discharge pipe is horizontally arranged at the liquid outlet, and a closed oil path is formed by seamless butt joint of the liquid discharge pipe and an oil inlet of the hydraulic cylinder, so that cooling operation of hydraulic cylinder oil is met, and normal use requirements of the hydraulic cylinder can be met.
The cooling mechanism comprises a liquid storage tank and a heat exchange seat, wherein the liquid storage tank is filled with cooling liquid, and the cooling liquid is used as a heat exchange medium.
The upper end vertical fixation of liquid reserve tank is equipped with the support column, the top of support column extend to the second closing cap inside and with the bottom fixed connection of heat transfer seat, the inside bottom fixed of support column is embedded to have the pump, the inlet of pump is connected with the extraction tube, and the tip of extraction tube extends to the inside bottom of liquid reserve tank, the heat transfer seat is the cavity ball-type structure, the liquid outlet of pump is connected with the catheter, the drain tank with the inside intercommunication of heat transfer seat is seted up to the upper end of support column, the tip of catheter extends to the inside top of heat transfer seat, and be connected with the shower nozzle, utilize the pump to provide the negative pressure, extract the coolant liquid in the liquid reserve tank by the extraction tube, utilize the shower nozzle blowout of drain pipe tip and fall on the heat transfer seat inner wall top of cavity ball-type structure, make the coolant liquid can flow down along the heat transfer seat inner wall top-down of cavity ball-type structure.
The hydraulic cylinder oil of high temperature enters into the drainage cavity from the feed liquor pipe, can directly trickle at the heat transfer seat outer wall of cavity ball-type structure, can be along the heat transfer seat outer wall of cavity ball-type structure downflow, the outer wall at the interval heat transfer seat, carry out the heat transfer operation with the coolant liquid, thereby realize cooling hydraulic cylinder oil fast, the temperature that avoids hydraulic oil risees and leads to fluid viscosity to descend, thereby avoid the lubricating property to reduce and lead to the phenomenon appearance of hydraulic component's wearing and tearing acceleration, the life of extension component.
Be equipped with the drainage clearance between the cavity semi-spherical structure inner wall that the outer wall of the heat transfer seat of cavity ball-type structure and first closing cap and second closing cap are constituteed, in order to improve refrigerated efficiency, can only derive through the drainage clearance hydraulic cylinder oil that will get into in the drainage cavity for the hydraulic cylinder oil of high temperature can flow through the heat transfer seat outer wall of cavity ball-type structure, makes the heat exchange maximize.
The outer wall symmetry fixedly connected with of support column and the inside back flow that communicates of cistern, the outer wall bottom of back flow is connected with a plurality of bleeder, and the tip and the inside intercommunication of liquid reserve tank of every bleeder, from shower nozzle spun coolant flow through heat transfer seat inner wall, get into the cistern of support column afterwards, and flow back to the liquid reserve tank once more through both sides bleeder, provide the negative pressure by utilizing the pump again, draw the coolant extraction in the liquid reserve tank by the extraction tube, utilize the shower nozzle blowout of catheter tip and fall on hollow spherical structure's heat transfer seat inner wall top, make the coolant can flow down along hollow spherical structure's heat transfer seat inner wall top-down, form the route of coolant circulation.
In a further embodiment, the bottom end opening of the first cover is provided with a threaded sleeve, the upper end opening of the second cover is provided with an internal thread connected with the threaded sleeve, the first cover is connected with the internal thread of the second cover by the threaded sleeve, and the first cover and the second cover can be fixedly assembled together for hydraulic cylinder oil cooling.
In a further embodiment, the outer diameter of the liquid guide pipe is one half of the inner diameter of the liquid guide groove of the support column, so that a backflow gap is formed between the outer wall of the liquid guide pipe and the inner wall of the liquid guide groove of the support column, and cooling liquid after heat exchange flows back into the liquid storage tank conveniently.
In a further embodiment, the end of the liquid inlet pipe extends to the top end of the inside of the first sealing cover and is fixedly connected with the flow dividing cover of the umbrella-shaped structure, a plurality of flow guiding notches which are distributed at equal intervals are formed in the bottom end face of the flow dividing cover, and by arranging the flow dividing cover, hydraulic cylinder oil which is guided into the flow guiding cavity from the end of the liquid inlet pipe can be guided out all around through the plurality of flow guiding notches of the flow dividing cover, so that the hydraulic cylinder oil is uniformly distributed on the outer wall of the heat exchange base of the hollow spherical structure, and the cooling efficiency is improved.
In a further embodiment, the bottom end surface of the flow distribution cover is attached to the top end of the outer wall of the heat exchange seat with the hollow spherical structure, so that the phenomenon that the end part of the liquid inlet pipe directly outputs hydraulic cylinder oil to drop on the outer wall of the heat exchange seat with the hollow spherical structure to cause splashing is avoided.
In further embodiment, the heat transfer seat outer wall of cavity ball-type structure is equipped with the drainage piece that can prolong hydraulic cylinder oil along heat transfer seat outer wall flow time, through setting up the drainage piece, can prolong hydraulic cylinder oil along heat transfer seat outer wall flow time for long the obtaining extension of heat exchange, improve refrigerated efficiency.
In further embodiment, the drainage piece is the drainage baffle, and the drainage baffle is the fixed heat exchange seat outer wall that distributes at cavity ball-type structure of screw-tupe structure, and the bottom mounting of drainage baffle is at the outer wall of heat exchange seat, and forms the drainage route that the screw-tupe structure distributes between the outer wall of drainage baffle inner wall and heat exchange seat, has changed the direct mode that flows along heat exchange seat outer wall top-down of hydraulic cylinder oil, has prolonged hydraulic cylinder oil and has long when flowing along heat exchange seat outer wall, improves heat exchange efficiency.
In further embodiment, the drainage piece comprises hemisphere hollow structure's filter mantle and annular joint frame, the fixed bottom that sets up at the filter mantle of annular joint frame, the filter mesh hole has been seted up to the outer wall of filter mantle, the top of filter mantle is connected with the honeycomb duct with feed liquor pipe tip butt joint, annular joint frame joint is at the heat transfer seat outer wall of cavity sphere structure, be equipped with the stock solution space between the outer wall of filter mantle inner wall and heat transfer seat, with annular joint frame joint at the heat transfer seat outer wall of cavity sphere structure, the high temperature hydraulic cylinder oil that flows out from feed liquor pipe tip gets into in the honeycomb duct, get into the stock solution space between filter mantle and the heat transfer seat afterwards, and flow along the heat transfer seat outer wall, realize the heat exchange, simultaneously, the filter mesh hole of filter mantle can filter the metallic debris of adulteration in the hydraulic cylinder oil.
In a further embodiment, the inner wall of the annular clamping frame is provided with an annular rubber ring attached to the outer wall of the heat exchange seat, the sealing performance of the annular clamping frame after the annular clamping frame is clamped on the outer wall of the heat exchange seat with the hollow spherical structure can be enhanced by using the annular rubber ring, and the phenomenon that hydraulic cylinder oil flows out without being filtered by a filter cover is avoided.
Preferably, the cooling method based on the hydraulic cylinder cooling device comprises the following steps:
a1, a first sealing cover and a second sealing cover are oppositely clamped up and down to form a closed drainage cavity which is used as a cooling place;
a2, in the normal use process of the hydraulic cylinder, the hydraulic cylinder oil entering the drainage cavity is quickly cooled by the cooling mechanism, so that the hydraulic cylinder oil is quickly cooled, the viscosity of the hydraulic oil is prevented from being reduced due to the temperature rise of the hydraulic oil, the phenomenon that the abrasion of a hydraulic element is accelerated due to the reduction of the lubricating performance is avoided, and the service life of the element is prolonged.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a hydraulic cylinder cooling device, which is characterized in that a liquid inlet pipe is in seamless butt joint with an oil outlet of a hydraulic cylinder, so that hydraulic cylinder oil can enter a drainage gap between the outer wall of a heat exchange seat with a hollow spherical structure and the inner wall of a hollow hemispherical structure consisting of a first sealing cover and a second sealing cover, coolant in a liquid storage tank is pumped by a pump and sprayed on the inner wall of the heat exchange seat, and the hydraulic cylinder oil flowing into the drainage gap can flow downwards along the outer wall of the heat exchange seat with the hollow spherical structure to realize heat exchange, so that the hydraulic cylinder oil is rapidly cooled, the viscosity of oil is prevented from being reduced due to the temperature rise of the hydraulic oil, the phenomenon that the abrasion of a hydraulic element is accelerated due to the reduction of lubricating performance is avoided, and the service life of the element is prolonged.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a partial cross-sectional view of the deflector mechanism and cooling mechanism of the present invention;
FIG. 3 is a partial exploded view of the deflector mechanism and cooling mechanism of the present invention;
FIG. 4 is a cross-sectional view of a first closure structure of the present invention;
FIG. 5 is a bottom view of the diverter housing structure of the present invention;
FIG. 6 is an exploded view of a third embodiment of the present invention;
fig. 7 is a sectional view of three partial structures of the embodiment of the invention.
In the figure: 1. a flow guide mechanism; 11. a first cover; 12. a second cover; 13. a liquid inlet pipe; 14. a liquid discharge pipe; 15. a threaded sleeve; 16. a flow distribution cover; 17. a diversion gap; 2. a cooling mechanism; 21. a liquid storage tank; 22. a support pillar; 23. a return pipe; 24. a branch pipe; 25. a pump; 26. an extraction pipe; 27. a catheter; 28. a spray head; 29. a heat exchange base; 3. a drainage member; 31. a filter housing; 32. a flow guide pipe; 33. annular joint frame.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-3, the present embodiment provides a hydraulic cylinder cooling apparatus, including a flow guiding mechanism 1 and a cooling mechanism 2 capable of cooling hydraulic cylinder oil, where the flow guiding mechanism 1 includes a first sealing cover 11 and a second sealing cover 12, and both the first sealing cover 11 and the second sealing cover 12 are of a hollow hemispherical structure, and the first sealing cover 11 and the second sealing cover 12 are engaged with each other in an up-and-down opposite manner to form a closed flow guiding cavity, which is used as a cooling place.
The liquid inlet has been seted up to the upper end of first closing cap 11, and liquid inlet department is equipped with feed liquor pipe 13, with feed liquor pipe 13 and the seamless butt joint of pneumatic cylinder oil-out for hydraulic cylinder oil can enter into and carry out cooling operation in the drainage cavity.
The liquid outlet has been seted up to the outer wall bottom of second closing cap 12, and liquid outlet department level is equipped with fluid-discharge tube 14, through the seamless butt joint of fluid-discharge tube 14 and the oil inlet of pneumatic cylinder, forms confined oil circuit, has both satisfied the cooling operation to the pneumatic cylinder oil, can satisfy the pneumatic cylinder normal use demand again.
The in-process that the pneumatic cylinder normally used utilizes cooling body 2 to carry out the quick cooling operation to the hydraulic cylinder oil that enters into in the drainage cavity, realizes quick cooling hydraulic cylinder oil, avoids the temperature of hydraulic oil to rise and leads to fluid viscosity to descend to avoid the lubricating property to reduce and lead to the phenomenon appearance that the wearing and tearing of hydraulic component accelerate, the life of extension component.
The cooling mechanism 2 comprises a liquid storage tank 21 and a heat exchange seat 29, wherein cooling liquid is filled in the liquid storage tank 21 and serves as a heat exchange medium.
The upper end vertical fixation of liquid reserve tank 21 is equipped with support column 22, the top of support column 22 extends to inside and the bottom fixed connection with heat transfer seat 29 of second closing cap 12, the inside bottom fixed of support column 22 is embedded to have pump 25, the inlet of pump 25 is connected with extraction tube 26, and the tip of extraction tube 26 extends to the inside bottom of liquid reserve tank 21, heat transfer seat 29 is the cavity ball-type structure, the liquid outlet of pump 25 is connected with catheter 27, the liquid guide groove with the inside intercommunication of heat transfer seat 29 is seted up to the upper end of support column 22, the tip of catheter 27 extends to the inside top of heat transfer seat 29, and be connected with shower nozzle 28, utilize pump 25 to provide the negative pressure, extract the coolant in the liquid reserve tank 21 by extraction tube 26, utilize the shower nozzle 28 blowout of catheter 27 tip and fall on the heat transfer seat 29 inner wall top of cavity ball-type structure, make the coolant liquid can flow down along heat transfer seat 29 inner wall top-down of cavity ball-type structure.
The hydraulic cylinder oil with high temperature enters the drainage cavity from the liquid inlet pipe 13, can directly flow on the outer wall of the heat exchange seat 29 with the hollow spherical structure, can flow downwards along the outer wall of the heat exchange seat 29 with the hollow spherical structure, separates the outer wall of the heat exchange seat 29, and performs heat exchange operation with cooling liquid, so that the hydraulic cylinder oil is rapidly cooled, the temperature rise of hydraulic oil is avoided to reduce the viscosity of the oil, the phenomenon that the abrasion of a hydraulic element is accelerated due to the reduction of the lubricating performance is avoided, and the service life of the element is prolonged.
Meanwhile, the heat exchange seat 29 is made of copper, so that the heat exchange seat has good heat conduction performance and is beneficial to improving the oil cooling efficiency of the hydraulic cylinder.
In addition, a drainage gap is arranged between the outer wall of the heat exchange base 29 with the hollow spherical structure and the inner wall of the hollow hemispherical structure consisting of the first sealing cover 11 and the second sealing cover 12, and in order to improve the cooling efficiency, the hydraulic cylinder oil entering the drainage cavity can only be led out through the drainage gap, so that the high-temperature hydraulic cylinder oil can flow through the outer wall of the heat exchange base 29 with the hollow spherical structure, and the heat exchange is maximized.
The reflux pipe 23 is fixedly connected with the outer wall of the support column 22 symmetrically and communicated with the interior of the liquid guide groove, the bottom end of the outer wall of the reflux pipe 23 is connected with a plurality of branch pipes 24, the end part of each branch pipe 24 is communicated with the interior of the liquid storage box 21, the cooling liquid sprayed out of the spray head 28 flows through the inner wall of the heat exchange seat 29 and then enters the liquid guide groove of the support column 22, and flows back into the liquid storage box 21 again through the branch pipes 24 on the two sides, the pump 25 is used for providing negative pressure, the cooling liquid in the liquid storage box 21 is extracted through the extraction pipe 26, the spray head 28 at the end part of the liquid guide pipe 27 is sprayed out and falls on the top end of the inner wall of the heat exchange seat 29 of the hollow spherical structure, so that the cooling liquid can flow down along the inner wall of the heat exchange seat 29 of the hollow spherical structure from top to bottom, and a cooling liquid circulation passage is formed.
In order to ensure that the cooling liquid flows back smoothly without obstruction, the outer diameter of the liquid guide pipe 27 is set to be half of the inner diameter of the liquid guide groove of the support column 22, so that a backflow gap is formed between the outer wall of the liquid guide pipe 27 and the inner wall of the liquid guide groove of the support column 22, and the cooling liquid after heat exchange flows back into the liquid storage tank 21 conveniently.
Adopt a plurality of bleeder 24 that expose in the outside air as the coolant liquid return line after the heat exchange, change the tradition and directly adopt the mode that the coolant liquid after the single great pipeline of bore flows back the heat exchange to the liquid reserve tank 21 in, adopt a plurality of bleeder 24 backward flow coolant liquid, help dispelling the heat to the coolant liquid after the heat exchange, the coolant liquid that converges in the liquid reserve tank 21 further cools down again, then is extracted once more by pump 25 and is used for the hydraulic cylinder oil cooling.
In addition, in order to further improve hydraulic cylinder oil cooling efficiency, be equipped with the drainage piece 3 that can prolong hydraulic cylinder oil along the flow time of heat exchange seat 29 outer wall at the heat exchange seat 29 outer wall of cavity ball-type structure, hydraulic cylinder oil when the high temperature gets into in the drainage cavity from feed liquor pipe 13 tip, and drip on heat exchange seat 29 outer wall, flow along heat exchange seat 29 outer wall top-down, realize heat exchange cooling operation, through setting up drainage piece 3, can prolong hydraulic cylinder oil along heat exchange seat 29 outer wall flow time, make the length of heat exchange obtain the extension, improve refrigerated efficiency.
Example two
Referring to fig. 1 and fig. 3, a further improvement is made on the basis of embodiment 1:
when the drainage piece 3 sets up to the drainage baffle, be the fixed distribution of screw-tupe structure at the heat exchange seat 29 outer wall of cavity ball-type structure with the drainage baffle, and the bottom mounting of drainage baffle is at the outer wall of heat exchange seat 29, and form the drainage route that screw-tupe structure distributes between the outer wall of drainage baffle inner wall and heat exchange seat 29, the hydraulic cylinder oil of high temperature gets into in the drainage cavity from feed liquor pipe 13 tip, and after drippage on heat exchange seat 29 outer wall, it flows to form the drainage route along drainage baffle and heat exchange seat 29, until flowing from the drainage baffle that is located heat exchange seat 29 outer wall below position, the direct mode that flows along heat exchange seat 29 outer wall top-down of hydraulic cylinder oil has been changed, it is long when having prolonged hydraulic cylinder oil and having flowed along heat exchange seat 29 outer wall, improve heat exchange efficiency.
EXAMPLE III
Referring to fig. 1, fig. 6 and fig. 7, the difference from embodiment 2 is that:
the drainage piece 3 comprises a filter cover 31 of a hemispherical hollow structure and an annular clamping frame 33, the annular clamping frame 33 is fixedly arranged at the bottom end of the filter cover 31, a filter mesh opening is formed in the outer wall of the filter cover 31, the top end of the filter cover 31 is connected with a flow guide pipe 32 in butt joint with the end part of the liquid inlet pipe 13, the annular clamping frame 33 is clamped on the outer wall of the heat exchange seat 29 of the hollow spherical structure, a liquid storage space is arranged between the inner wall of the filter cover 31 and the outer wall of the heat exchange seat 29, the annular clamping frame 33 is clamped on the outer wall of the heat exchange seat 29 of the hollow spherical structure, high-temperature hydraulic cylinder oil flowing out of the end part of the liquid inlet pipe 13 enters the flow guide pipe 32 and then enters the liquid storage space between the filter cover 31 and the heat exchange seat 29 and flows along the outer wall of the heat exchange seat 29 to realize heat exchange, and meanwhile, metal chips doped in the hydraulic cylinder oil can be filtered by the filter mesh opening of the filter cover 31.
The inner wall of the annular clamping frame 33 is provided with an annular rubber ring which is attached to the outer wall of the heat exchange seat 29, the sealing performance of the annular clamping frame 33 clamped on the outer wall of the heat exchange seat 29 with the hollow spherical structure can be enhanced by the annular rubber ring, and the phenomenon that hydraulic cylinder oil flows out without being filtered by the filter cover 31 is avoided.
Example four
Please refer to fig. 1, fig. 3, fig. 4 and fig. 5, which are further improved based on embodiment 3:
although the first sealing cover 11 and the second sealing cover 12 are vertically opposite to each other and clamped to form a drainage cavity for cooling the hydraulic cylinder oil, if the first sealing cover 11 and the second sealing cover 12 are fixedly clamped and not detachable, the drainage piece 3 in the drainage cavity is not convenient to detach for cleaning, metal debris generated by long-term operation of the hydraulic cylinder can be doped in hydraulic oil, the metal debris cannot be cleaned out in time, and effective use of the hydraulic cylinder is affected.
When needing to dismantle, keep second closing cap 12 motionless, first closing cap 11 of antiport can break away from the internal thread of second closing cap 12 with threaded sleeve 15, realizes dismantling first closing cap 11 and second closing cap 12, can take off drainage piece 3 from heat transfer seat 29, is convenient for clear up the metal piece that filters to filter mantle 31 to help the extension to pneumatic cylinder life.
The end part of the liquid inlet pipe 13 extends to the top end of the inside of the first sealing cover 11 and is fixedly connected with the flow dividing cover 16 of the umbrella-shaped structure, the bottom end face of the flow dividing cover 16 is provided with a plurality of flow guiding notches 17 which are distributed at intervals uniformly, and by arranging the flow dividing cover 16, the hydraulic cylinder oil which is guided into the drainage cavity from the end part of the liquid inlet pipe 13 can be guided out all around through the plurality of flow guiding notches 17 of the flow dividing cover 16, so that the uniform distribution of the hydraulic cylinder oil on the outer wall of the heat exchange base 29 of the hollow spherical structure is facilitated, and the cooling efficiency is facilitated to be improved.
In order to avoid the phenomenon of splashing of the hydraulic cylinder oil, the bottom end surface of the flow dividing cover 16 is attached to the top end of the outer wall of the heat exchange seat 29 with the hollow spherical structure, so that the hydraulic cylinder oil guided out from the flow guide notch 17 of the flow dividing cover 16 can only flow from top to bottom along the outer wall of the heat exchange seat 29 with the hollow spherical structure, and the phenomenon that the end part of the liquid inlet pipe 13 directly outputs hydraulic cylinder oil to drop on the outer wall of the heat exchange seat 29 with the hollow spherical structure to cause splashing and cannot be attached to the outer wall of the heat exchange seat 29 with the hollow spherical structure to perform heat exchange operation to influence the cooling of the high-temperature hydraulic cylinder oil is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a hydraulic cylinder cooling device, includes water conservancy diversion mechanism (1) and can cool off cooling body (2) of hydraulic cylinder oil, its characterized in that: the diversion mechanism (1) comprises a first sealing cover (11) and a second sealing cover (12), the first sealing cover (11) and the second sealing cover (12) are both of a hollow hemispherical structure, the first sealing cover (11) and the second sealing cover (12) are vertically and oppositely clamped to form a closed diversion cavity, the upper end of the first sealing cover (11) is provided with a liquid inlet, a liquid inlet pipe (13) is arranged at the position of the liquid inlet, a liquid outlet is arranged at the bottom end of the outer wall of the second sealing cover (12), and a liquid discharge pipe (14) is horizontally arranged at the position of the liquid outlet;
the cooling mechanism (2) comprises a liquid storage tank (21) and a heat exchange seat (29), cooling liquid is filled in the liquid storage tank (21), a support column (22) is vertically and fixedly arranged at the upper end of the liquid storage tank (21), the top end of the support column (22) extends into the second sealing cover (12) and is fixedly connected with the bottom end of the heat exchange seat (29), a pump (25) is fixedly embedded in the bottom end of the support column (22), a liquid inlet of the pump (25) is connected with an extraction pipe (26), the end of the extraction pipe (26) extends to the bottom end of the liquid storage tank (21), the heat exchange seat (29) is of a hollow spherical structure, a liquid outlet of the pump (25) is connected with a liquid guide pipe (27), a liquid guide groove communicated with the interior of the heat exchange seat (29) is formed in the upper end of the support column (22), and the end of the liquid guide pipe (27) extends to the top end of the interior of the heat exchange seat (29) and is connected with a spray head (28);
a drainage gap is arranged between the outer wall of the heat exchange seat (29) with the hollow spherical structure and the inner wall of the hollow hemispherical structure consisting of the first sealing cover (11) and the second sealing cover (12);
the outer wall symmetry fixedly connected with of support column (22) and the inside back flow (23) that communicates of cistern, the outer wall bottom of back flow (23) is connected with a plurality of bleeder (24), and the tip and the inside intercommunication of liquid reserve tank (21) of every bleeder (24).
2. A hydraulic cylinder cooling arrangement as claimed in claim 1, characterised in that: the outer diameter of the liquid guide pipe (27) is half of the inner diameter of the liquid guide groove of the support column (22).
3. A hydraulic cylinder cooling apparatus as claimed in claim 1, characterized by: the end part of the liquid inlet pipe (13) extends to the top end of the interior of the first sealing cover (11) and is fixedly connected with a flow distribution cover (16) with an umbrella-shaped structure;
the bottom end surface of the flow dividing cover (16) is provided with a plurality of flow guiding gaps (17) which are uniformly distributed at intervals.
4. A hydraulic cylinder cooling arrangement as claimed in claim 3, characterised in that: the bottom end surface of the flow distribution cover (16) is attached to the top end of the outer wall of the heat exchange base (29) of the hollow spherical structure.
5. A hydraulic cylinder cooling arrangement as claimed in claim 1, characterised in that: the outer wall of the heat exchange seat (29) with the hollow spherical structure is provided with a drainage piece (3) which can prolong the flowing time of the hydraulic cylinder oil along the outer wall of the heat exchange seat (29).
6. A hydraulic cylinder cooling arrangement according to claim 5, characterised in that: the drainage piece (3) is a drainage baffle which is in a spiral structure and is fixedly distributed on the outer wall of the heat exchange seat (29) with a hollow spherical structure;
the bottom end of the drainage baffle plate is fixed on the outer wall of the heat exchange base (29), and a drainage path distributed in a spiral structure is formed between the inner wall of the drainage baffle plate and the outer wall of the heat exchange base (29).
7. A hydraulic cylinder cooling arrangement according to claim 5, characterised in that: the drainage piece (3) consists of a filter cover (31) with a hemispherical hollow structure and an annular clamping frame (33);
the fixed bottom that sets up at filter mantle (31) of annular joint frame (33), the filtration mesh hole has been seted up to the outer wall of filter mantle (31), the top of filter mantle (31) is connected with honeycomb duct (32) with feed liquor pipe (13) tip butt joint, annular joint frame (33) joint is at heat exchange seat (29) outer wall of cavity ball-type structure, be equipped with the stock solution space between the outer wall of filter mantle (31) inner wall and heat exchange seat (29).
8. A hydraulic cylinder cooling arrangement according to claim 7, characterised in that: the inner wall of the annular clamping frame (33) is provided with an annular rubber ring which is attached to the outer wall of the heat exchange base (29).
9. A cooling method of a hydraulic cylinder cooling apparatus using the hydraulic cylinder cooling apparatus according to claim 1, characterized by comprising the steps of:
a1, a first sealing cover (11) and a second sealing cover (12) are vertically and oppositely clamped to form a closed drainage cavity which is used as a cooling place;
a2, in the normal use process of the hydraulic cylinder, the hydraulic cylinder oil entering the drainage cavity is rapidly cooled by the cooling mechanism (2), so that the hydraulic cylinder oil is rapidly cooled, the viscosity of the hydraulic oil is prevented from being reduced due to the temperature rise of the hydraulic oil, the phenomenon that the abrasion of a hydraulic element is accelerated due to the reduction of the lubricating performance is avoided, and the service life of the element is prolonged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676572.6A CN114934926B (en) | 2022-06-15 | 2022-06-15 | Hydraulic cylinder cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676572.6A CN114934926B (en) | 2022-06-15 | 2022-06-15 | Hydraulic cylinder cooling device |
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| Publication Number | Publication Date |
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| CN114934926A CN114934926A (en) | 2022-08-23 |
| CN114934926B true CN114934926B (en) | 2023-04-07 |
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| CN202210676572.6A Active CN114934926B (en) | 2022-06-15 | 2022-06-15 | Hydraulic cylinder cooling device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI407898B (en) * | 2010-10-26 | 2013-09-01 | Inventec Corp | A heat exchange chamber for liquid state cooling fluid |
| JP2015143535A (en) * | 2014-01-31 | 2015-08-06 | ダイハツ工業株式会社 | oil warmer structure |
| CN105351287A (en) * | 2015-12-04 | 2016-02-24 | 四川海搏液压机械有限公司 | Cooling mechanism for cooling hydraulic oil |
| CN105351291A (en) * | 2015-12-08 | 2016-02-24 | 四川海搏液压机械有限公司 | Hydraulic oil heat exchange mechanism |
| CN212615730U (en) * | 2020-06-05 | 2021-02-26 | 中钢集团山东富全矿业有限公司 | Main shaft lifting hydraulic station cooling box and cooling system |
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2022
- 2022-06-15 CN CN202210676572.6A patent/CN114934926B/en active Active
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