CN209228778U

CN209228778U - A kind of hydraulic cylinder installing cooling device additional

Info

Publication number: CN209228778U
Application number: CN201822049279.9U
Authority: CN
Inventors: 刘春生
Original assignee: SHAOGUAN WANHENG MACHINERY EQUIPMENT Co Ltd
Current assignee: SHAOGUAN WANHENG MACHINERY EQUIPMENT Co Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2019-08-09
Anticipated expiration: 2028-12-07

Abstract

The utility model discloses a kind of hydraulic cylinders for installing cooling device additional, including cylinder body, piston rod inside the cylinder body is set, for installing the mounting head of cylinder body and for the humidifier of piston rod cooling, wherein, the humidifier includes intake antrum, water chamber, water collection chamber, water inlet movable part, it is discharged movable part, intake tunnel, exhalant canal, through channel and heat-removal bar, wherein, the intake antrum is set to the inside of mounting head, the water chamber is provided with multiple, multiple water chambers are respectively arranged at the inside of mounting head and divide equally in the periphery of intake antrum, the water collection chamber is set to the inside of mounting head and is connected to respectively with multiple water chambers.The utility model is rapidly cooled hydraulic cylinder by the way of the coolant liquid discharge that directly will heat up, while using cylinder-shaped exhalant canal structure design, greatly improving the cooling efficiency of piston rod, and structure is reliable, practicability is high.

Description

A kind of hydraulic cylinder installing cooling device additional

Technical field

The utility model relates to hydraulic cylinder technical field, specially a kind of hydraulic cylinder for installing cooling device additional.

Background technique

In the prior art, the working environment of section hydraulic cylinder is high temperature, and usually under such operating condition, hydraulic cylinder can be in cylinder barrel Coolant flow channel is arranged in external and cylinder head position, but piston rod cannot cool down, and closer from heat source when piston rod stretching, contracting Hui Shi, the piston rod not cooled down can burn the piston rod packing of hydraulic cylinder, hydraulic cylinder caused to fail.

For this purpose, Chinese patent CN201420614655.3 disclose it is a kind of with the hydraulic of piston rod inner cooling device Cylinder, including cylinder body, setting be in the intracorporal piston rod of cylinder and coolant circulation unit, tool is there are two cooling duct in piston rod, and two A cooling duct extends along the length direction of piston rod, and is penetrated through in the head end of piston rod by through channel, in the cylinder of cylinder body Bottom is arranged the cooling piston of matched with cooling duct feed liquor and out liquid cooling but piston, and feed liquor cools down piston and out liquid cooling but piston It is respectively protruding into the cooling duct to match, feed liquor cools down piston and liquid cooling but passes through between piston and the cooling duct to match out Sealing element sealing, the cooling piston of feed liquor and out liquid cooling be but in piston with the liquid inlet and outlet channel communicated with matched cooling duct, The liquid end of coolant circulation unit is connect with the cooling piston of feed liquor, and but piston connects the liquid returning end of coolant circulation unit with liquid cooling out It connects；The utility model has the advantages that the cooling piston of liquid inlet and outlet makes the pipeline of coolant circulation unit not need to move with piston rod, mention High structural reliability, and regardless of whether piston rod runs, coolant liquid can flow in the cooling duct of piston rod inner, Effectively cooling piston rod.But there are still defects for above structure, and coolant liquid is by taking away piston rod top when a cooling duct Divide heat, will lead to coolant liquid heating, and during the coolant liquid after heating up enters another cooling duct through through channel, The cooling velocity of piston rod is reduced, and the structure setting cooling effect of two cooling ducts is bad, is not able to satisfy piston rod height Imitate cooling requirement.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of hydraulic cylinder for installing cooling device additional, solves existing There is hydraulic cylinder in hydraulic cylinder to take the cooling structure of two cooling ducts, coolant liquid is by taking away piston when a cooling duct Partial heat on bar will lead to coolant liquid heating, and the coolant liquid after heating up enters another cooling duct through through channel In the process, the cooling velocity of piston rod is reduced, and the structure setting cooling effect of two cooling ducts is bad, is not able to satisfy work The problem of requirement that stopper rod efficiently cools down.

(2) technical solution

To achieve the above object, the utility model is achieved by the following technical programs: a kind of to install cooling device additional Hydraulic cylinder, including cylinder body, the piston rod being arranged in inside the cylinder body, the installation for installing cylinder body Head and the humidifier cooling for piston rod, wherein the humidifier includes intake antrum, water chamber, water collection chamber, water inlet Movable part, water outlet movable part, intake tunnel, exhalant canal, through channel and heat-removal bar, wherein the intake antrum is set to peace Fill head inside, the water chamber be provided with it is multiple, multiple water chambers be respectively arranged at the inside of mounting head and divide equally in water inlet The periphery of chamber, the water collection chamber are set to the inside of mounting head and are connected to respectively with multiple water chambers, and the mounting head is equipped with The inlet and outlet of setting are connected to intake antrum and water collection chamber respectively, the water inlet movable part includes the first conduit and first One end of adjustable pipe, first conduit is fixedly connected with mounting head and is connected to intake antrum setting, first conduit it is another One end pivot bush unit of one end and the first adjustable pipe, the water outlet movable part include the second conduit and the second adjustable pipe, and described the One end of two conduits is fixedly connected with mounting head and is connected to water chamber setting, the other end of second conduit and the second activity One end pivot bush unit of pipe, the intake tunnel are set to the inner cavity medium position of piston rod, one end of first adjustable pipe Fixed to be connected to setting on the piston rod and with one end of intake tunnel, the exhalant canal is cylindrical to be set to the interior of piston rod The peripheral position of portion and corresponding intake tunnel, one end of second adjustable pipe is fixed to be connected on the piston rod and with exhalant canal Setting, the intake tunnel and exhalant canal are respectively further between the first adjustable pipe and one end of the second adjustable pipe logical by perforation Road connection, the heat-removal bar are provided with more and shift to install in the inside of exhalant canal.

Further, the mounting head is U-shaped mounting head, is correspondingly provided with mounting hole in the mounting head.

Further, shaft end is equipped on the drive end bearing bracket of the cylinder body between the inner circumferential and piston rod of outer edge Sealing ring.

Further, the inside of the cylinder body drive end bearing bracket is equipped with the first O that setting is bonded with piston rod outer surface Shape sealing ring.

Further, first conduit is in the first adjustable pipe intrinsic displacement distance and the second conduit in the second adjustable pipe Shift length is adapted with the shift length of piston rod.

Further, it is respectively equipped on the inner sidewall of first conduit and the second conduit living with the first adjustable pipe and second Second O-ring seals of dynamic tube outer surface fitting.

(3) beneficial effect

The utility model provide it is a kind of install additional cooling device hydraulic cylinder, by be arranged humidifier, coolant liquid pass through into The mouth of a river enters the intake antrum in mounting head, through intake movable part enter in the intake tunnel in piston rod, by through channel into Enter in exhalant canal, the exhalant canal of cylindrical setting can quickly take away the heat of piston rod, the coolant liquid warp after heating Water outlet movable part is expelled directly out hydraulic cylinder, is then discharged through water chamber, water collection chamber and water outlet；The utility model, which uses, directly will The mode of the coolant liquid discharge of heating is rapidly cooled hydraulic cylinder, while using cylinder-shaped exhalant canal structure design, pole The earth improves the cooling efficiency of piston rod, and structure is reliable, and practicability is high.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the cross-sectional view of mounting head in the utility model；

Fig. 3 is the cross-sectional view of piston rod in the utility model.

In figure: 1, cylinder body；2, piston rod；3, mounting head；4, humidifier；5, water inlet；6, water outlet；7, into Water cavity；8, water chamber；9, water collection chamber；10, water inlet movable part；11, the first conduit；12, the first adjustable pipe；13, it is discharged movable part； 14, the second conduit；15, the second adjustable pipe；16, intake tunnel；17, exhalant canal；18, through channel；19, heat-removal bar.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of hydraulic cylinder installing cooling device additional, including Cylinder body 1, the piston rod 2 being arranged in inside the cylinder body 1, the mounting head 3 for installing cylinder body 1 and The humidifier 4 cooling for piston rod 2, wherein the humidifier 4 includes intake antrum 7, water chamber 8, water collection chamber 9, water inlet Movable part 10, water outlet movable part 13, intake tunnel 16, exhalant canal 17, through channel 18 and heat-removal bar 19, wherein it is described into Water cavity 7 is set to the inside of mounting head 3, and the water chamber 8 is provided with multiple, and multiple water chambers 8 are respectively arranged at mounting head 3 Inside is simultaneously divided equally in the periphery of intake antrum 7, and the water collection chamber 9 is set to the inside of mounting head 3 and connects respectively with multiple water chambers 8 Logical, the mounting head 3 is equipped with the water inlet 5 and water outlet 6 for being connected to setting with intake antrum 7 and water collection chamber 9 respectively, the water inlet Movable part 10 includes the first conduit 11 and the first adjustable pipe 12, and one end of first conduit 11 is fixedly connected simultaneously with mounting head 3 Setting, one end pivot bush unit of the other end of first conduit 11 and the first adjustable pipe 12, the water outlet are connected to intake antrum 7 Movable part 13 includes the second conduit 14 and the second adjustable pipe 15, and one end of second conduit 14 is fixedly connected simultaneously with mounting head 3 Setting, one end pivot bush unit of the other end of second conduit 14 and the second adjustable pipe 15, the water inlet are connected to water chamber 8 Channel 16 is set to the inner cavity medium position of piston rod 2, one end of first adjustable pipe 12 be fixed on piston rod 2 and with into One end of aquaporin 16 is connected to setting, the cylindrical inside for being set to piston rod 2 of exhalant canal 17 and corresponding water inlet is logical The peripheral position in road 16, one end of second adjustable pipe 15 are fixed on piston rod 2 and are connected to setting, institute with exhalant canal 17 It states intake tunnel 16 and exhalant canal 17 is respectively further between the first adjustable pipe 12 and one end of the second adjustable pipe 15 and passes through perforation Channel 18 is connected to, and the heat-removal bar 19 is provided with more and shifts to install in the inside of exhalant canal 17.

Specifically, the mounting head 3 is U-shaped mounting head, is correspondingly provided with mounting hole in the mounting head 3, passes through installation Hole, which is coupled axis, can realize the activity installation of hydraulic cylinder.

Specifically, axis is equipped on the drive end bearing bracket of the cylinder body 1 between the inner circumferential and piston rod 2 of outer edge Sealing ring is held, guarantees hydraulic cylinder point leakproofness, prevents dust impurity from entering inside hydraulic cylinder.

Specifically, the inside of 1 drive end bearing bracket of cylinder body, which is equipped with, is bonded the first of setting with 2 outer surface of piston rod O-ring seals prevent oil leak.

Specifically, first conduit 11 is living second in 12 intrinsic displacement of the first adjustable pipe distance and the second conduit 14 Dynamic 15 intrinsic displacement distance of pipe is adapted with the shift length of piston rod 2, convenient for completing through the first conduit 11 and the first adjustable pipe 12 Water inlet, the second conduit 14 and the second adjustable pipe 15 complete water outlet, and the cooling tube of abandoning tradition cooling device connects, and structure is reliable.

Specifically, be respectively equipped on the inner sidewall of first conduit 11 and the second conduit 14 with the first adjustable pipe 12 and Second O-ring seals of 15 outer surface of the second adjustable pipe fitting, effectively prevent coolant liquid to reveal.

In use, coolant liquid enters the intake antrum 7 in mounting head 3 through water inlet 5, through intaking by setting humidifier 4 Movable part 10 enters in the intake tunnel 16 in piston rod 2, is entered in exhalant canal 17 by through channel 18, cylindrical to set The exhalant canal 17 set can quickly take away the heat of piston rod 2, and the coolant liquid after heating is expelled directly out through being discharged movable part 13 Hydraulic cylinder is then discharged through water chamber 8, water collection chamber 9 and water outlet 6；When piston rod 2 stretches out, intake movable part 10 and water outlet 13 internal volume of movable part increases, coolant rate to maximum；When piston rod 2 is static, intake movable part 10 and water outlet movable part 13 volumes immobilize, and meet cooling required traffic requirement at this time；When piston rod 2 retract when, intake movable part 10 and go out 13 volume of water movable part becomes smaller, and generates pressure, and coolant liquid is discharged to outside automatically, keeps coolant liquid circulation (flow minimum) i.e. It can.

It can to sum up obtain, the utility model carries out fast quickly cooling to hydraulic cylinder by the way of the coolant liquid discharge that directly will heat up But, while using cylinder-shaped 17 structure of exhalant canal design, the cooling efficiency of piston rod 2 is greatly improved, and structure is reliable, Practicability is high.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of hydraulic cylinder for installing cooling device additional, it is characterised in that: including cylinder body (1), be arranged in the hydraulic cylinder sheet The internal piston rod (2) of body (1), the mounting head (3) for installing cylinder body (1) and cooling for piston rod (2) Humidifier (4), wherein the humidifier (4) includes intake antrum (7), water chamber (8), water collection chamber (9), water inlet movable part (10), movable part (13), intake tunnel (16), exhalant canal (17), through channel (18) and heat-removal bar (19) are discharged, wherein The intake antrum (7) is set to the inside of mounting head (3), and the water chamber (8) is provided with multiple, multiple water chambers (8) difference It is set to the inside of mounting head (3) and divides equally in the periphery of intake antrum (7), the water collection chamber (9) is set to the interior of mounting head (3) Portion is simultaneously connected to multiple water chambers (8) respectively, and the mounting head (3) is equipped with and is connected to respectively with intake antrum (7) and water collection chamber (9) The water inlet (5) and water outlet (6) of setting, the water inlet movable part (10) include the first conduit (11) and the first adjustable pipe (12), one end of first conduit (11) is fixedly connected with mounting head (3) and is connected to intake antrum (7) setting, and described first The other end of conduit (11) and one end pivot bush unit of the first adjustable pipe (12), the water outlet movable part (13) include the second conduit (14) it is fixedly connected with mounting head (3) and connects with water chamber (8) with the second adjustable pipe (15), one end of second conduit (14) Logical setting, the other end of second conduit (14) and one end pivot bush unit of the second adjustable pipe (15), the intake tunnel (16) it is set to the inner cavity medium position of piston rod (2), one end of first adjustable pipe (12) is fixed on piston rod (2) simultaneously Setting is connected to one end of intake tunnel (16), the cylindrical inside for being set to piston rod (2) of exhalant canal (17) is simultaneously The peripheral position of corresponding intake tunnel (16), one end of second adjustable pipe (15) be fixed on piston rod (2) and with water outlet Channel (17) connection setting, the intake tunnel (16) and exhalant canal (17) are respectively further from the first adjustable pipe (12) and second and live It is connected between one end of dynamic pipe (15) by through channel (18), the heat-removal bar (19) is provided with more and shifts to install in out The inside of aquaporin (17).

2. a kind of hydraulic cylinder for installing cooling device additional according to claim 1, it is characterised in that: the mounting head (3) is U Type mounting head is correspondingly provided with mounting hole on the mounting head (3).

3. a kind of hydraulic cylinder for installing cooling device additional according to claim 1, it is characterised in that: the cylinder body (1) shaft end seal circle is equipped on drive end bearing bracket between the inner circumferential and piston rod (2) of outer edge.

4. a kind of hydraulic cylinder for installing cooling device additional according to claim 1, it is characterised in that: the cylinder body (1) inside of drive end bearing bracket is equipped with the first O-ring seals that setting is bonded with piston rod (2) outer surface.

5. a kind of hydraulic cylinder for installing cooling device additional according to claim 4, it is characterised in that: first conduit (11) In the first adjustable pipe (12) intrinsic displacement distance and the second conduit (14) in the second adjustable pipe (15) intrinsic displacement distance and piston rod (2) shift length is adapted.

6. a kind of hydraulic cylinder for installing cooling device additional according to claim 1, it is characterised in that: first conduit (11) It is bonded with being respectively equipped on the inner sidewall of the second conduit (14) with the first adjustable pipe (12) and the second adjustable pipe (15) outer surface Second O-ring seals.