CN209100394U - A kind of corrosion-resistant jacking cylinder for marine port machine - Google Patents

A kind of corrosion-resistant jacking cylinder for marine port machine Download PDF

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Publication number
CN209100394U
CN209100394U CN201821607984.XU CN201821607984U CN209100394U CN 209100394 U CN209100394 U CN 209100394U CN 201821607984 U CN201821607984 U CN 201821607984U CN 209100394 U CN209100394 U CN 209100394U
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China
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drive
bearing bracket
piston
cylinder barrel
cylinder
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CN201821607984.XU
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Chinese (zh)
Inventor
何晓俊
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Shanghai Dong Ji Oilhydraulic Engineering Co Ltd
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Shanghai Dong Ji Oilhydraulic Engineering Co Ltd
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Abstract

The utility model discloses a kind of corrosion-resistant jacking cylinder for marine port machine, including cylinder barrel, drive end bearing bracket, rear end cap and piston, rear end cap and drive end bearing bracket are respectively fixedly connected in the left and right ends of cylinder barrel, and piston is located in cylinder barrel and is slidably connected with cylinder barrel;Piston includes first stage piston and second piston, and first stage piston is located in cylinder barrel and is slidably connected with cylinder barrel, and the inside of first stage piston is equipped with cavity, and second piston is located in first stage piston and is slidably connected with cavity;Drive end bearing bracket includes the first drive end bearing bracket and the second drive end bearing bracket, and the first drive end bearing bracket is fixedly connected with cylinder barrel, and first stage piston is slidably connected through the first drive end bearing bracket and with the first drive end bearing bracket, and the second drive end bearing bracket is fixedly connected on the right end of first stage piston.The utility model is convenient to form uniform oil film on the surface of piston when piston stretches out by being fixedly connected with the retainer plate with oil trap at the drive end bearing bracket of jacking cylinder, improves the corrosion resistance of piston, improves the job stability of top oil cylinder.

Description

A kind of corrosion-resistant jacking cylinder for marine port machine
Technical field
The utility model relates to skill harbour conveying equipment art field, specially a kind of corrosion-resistant jacking for marine port machine Oil cylinder.
Background technique
Jacking cylinder is generally used for derrick crane, and jacking cylinder is to drive high-pressure pump by motor, converts electric energy to Hydraulic energy, by the control elements such as reversal valve drive executing agency, hydraulic cylinder conversioning mechanical energy driving load, make tower cap rise or Decline.
Currently, the portal crane in market is exposed to outside throughout the year, and the components in crane will receive certain corruption Erosion, jacking cylinder is more serious by corroding as important components, will affect the job stability of jacking cylinder, reduces The service life of jacking cylinder.It is solved for this reason, it may be necessary to design the new technical solution of one kind and give.
Utility model content
The purpose of this utility model is to provide a kind of corrosion-resistant jacking cylinders for marine port machine, by jacking oil The retainer plate with oil trap is fixedly connected at the drive end bearing bracket of cylinder, it is convenient to be formed uniformly when piston stretches out on the surface of piston Oil film improves the corrosion resistance of piston, improves the job stability of top oil cylinder.
To achieve the above object, the utility model provides the following technical solutions: a kind of corrosion resistant deroofing for marine port machine Oil-lifting jar, including cylinder barrel, drive end bearing bracket, rear end cap and piston, the rear end cap and drive end bearing bracket are respectively fixedly connected on a left side for cylinder barrel Right both ends, the piston are located in cylinder barrel and are slidably connected with cylinder barrel;The piston includes first stage piston and second piston, described First stage piston is located in cylinder barrel and is slidably connected with cylinder barrel, and the inside of the first stage piston is equipped with cavity, the second piston position It is slidably connected in first stage piston and with cavity;The drive end bearing bracket includes the first drive end bearing bracket and the second drive end bearing bracket, before described first End cap is fixedly connected with cylinder barrel, and the first stage piston is slidably connected through the first drive end bearing bracket and with the first drive end bearing bracket, and described second Drive end bearing bracket is fixedly connected on the right end of first stage piston, and the second piston slides company through the second drive end bearing bracket and with the second drive end bearing bracket It connects, the side wall of the drive end bearing bracket is equipped with retainer plate, and the retainer plate inner wall is equipped with oil trap, and the oil trap is living with level-one respectively Plug and/or second piston are slidably connected, and are equipped with oil guide groove in the drive end bearing bracket, the oil guide groove both ends respectively with cylinder barrel, oil trap It is connected, the left end of the oil guide groove is equipped with block.
As an improvement of the above technical solution, the surface of the cylinder barrel is equipped with symmetrical hydraulic fluid port, the hydraulic fluid port and cylinder Cylinder is connected.
As an improvement of the above technical solution, the inside of the drive end bearing bracket is equipped with sealing ring and dustband, the dustband Positioned at the side Kou Chu of drive end bearing bracket, the sealing ring is located at the left side of dustband.
As an improvement of the above technical solution, the block is tapered and connects with oil guide groove, a left side for the block Side is fixedly connected with metal clips, and the both ends of the metal clips and the side walls of drive end bearing bracket connect.
As an improvement of the above technical solution, the surface at the both ends of the metal clips is equipped with strip-shaped hole, the strip-shaped hole Interior to be equipped with fixed pin, the fixed pin is fixedly connected with drive end bearing bracket and is slidably connected with strip-shaped hole.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model is conveniently made by being fixedly connected with the retainer plate with oil trap at the drive end bearing bracket of jacking cylinder Hydraulic oil in cylinder barrel overflows in oil trap, convenient to form uniform oil film on the surface of piston when piston stretches out, and improves The corrosion resistance of piston improves the job stability of top oil cylinder.
2, the utility model is conveniently made hydraulic in cylinder barrel by being equipped with the block with metal clips in the left side of oil guide groove Oil is spilt into oil trap under a certain range pressure along oil guide groove, the convenient oil surface to piston, when pressure is excessive, from Dynamic closing oil guide groove, effectively prevent hydraulic fluid leak, improves the safety that top oil cylinder uses.
Detailed description of the invention
Fig. 1 is the corrosion-resistant jacking cylinder schematic cross-sectional view described in the utility model for marine port machine;
Fig. 2 is jacking cylinder partial enlargement structural representation described in the utility model.
In figure: cylinder barrel -1, drive end bearing bracket -2, rear end cap -3, piston -4, first stage piston -5, second piston -6, cavity -7, the One drive end bearing bracket -8, the second drive end bearing bracket -9, retainer plate -10, oil trap -11, oil guide groove -12, block -13, hydraulic fluid port -14, sealing ring - 15, dustband -16, metal clips -17, strip-shaped hole -18, fixed pin -19.
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 please refers to Fig. 1-2 the utility model and a kind of technical solution is provided: a kind of corrosion-resistant jacking oil for marine port machine Cylinder, including cylinder barrel 1, drive end bearing bracket 2, rear end cap 3 and piston 4, the rear end cap 3 and drive end bearing bracket 2 are respectively fixedly connected in cylinder barrel 1 Left and right ends, the piston 4 are located in cylinder barrel 1 and are slidably connected with cylinder barrel 1;The piston 4 includes that first stage piston 5 and second level are living Plug 6, the first stage piston 5 are located in cylinder barrel 1 and are slidably connected with cylinder barrel 1, and the inside of the first stage piston 5 is equipped with cavity 7, institute Second piston 6 is stated to be located in first stage piston 5 and be slidably connected with cavity 7;The drive end bearing bracket 2 includes the first drive end bearing bracket 8 and second Drive end bearing bracket 9, first drive end bearing bracket 8 are fixedly connected with cylinder barrel 1, before the first stage piston 5 is through the first drive end bearing bracket 8 and with first End cap 8 is slidably connected, and second drive end bearing bracket 9 is fixedly connected on the right end of first stage piston 5, and the second piston 6 runs through second It drive end bearing bracket 9 and is slidably connected with the second drive end bearing bracket 9, the side wall of the drive end bearing bracket 2 is equipped with retainer plate 10,10 inner wall of retainer plate Equipped with oil trap 11, the oil trap 11 is slidably connected with first stage piston 5 and/or second piston 6 respectively, sets in the drive end bearing bracket 2 There is oil guide groove 12,12 both ends of oil guide groove are connected with cylinder barrel 1, oil trap 11 respectively, and the left end of the oil guide groove 12 is equipped with Block 13 is conveniently made in cylinder barrel 1 by being fixedly connected with the retainer plate 10 with oil trap 11 at the drive end bearing bracket 2 of jacking cylinder Hydraulic oil overflow in oil trap 11, it is convenient to form uniform oil film on the surface of piston 4 when piston 4 stretches out, improve and live The corrosion resistance of plug 4 improves the job stability of top oil cylinder.
It is further improved ground, the surface of the cylinder barrel 1 is equipped with symmetrical hydraulic fluid port 14, the hydraulic fluid port 14 as shown in Figure 1: It is connected with cylinder barrel 1, by being equipped with symmetrical hydraulic fluid port 14 on the surface of cylinder barrel 1, convenient for making jacking cylinder and hydraulic device It is connected, it is convenient that jacking cylinder is driven.
It is further improved ground, the inside of the drive end bearing bracket 2 is equipped with sealing ring 15 and dustband 16 as shown in Figure 1:, described anti- Konisphere 16 is located at the side Kou Chu of drive end bearing bracket 2, and the sealing ring 15 is located at the left side of dustband 16, by the side of drive end bearing bracket 2 mouthful Place is equipped with dustband 16, improves the anti-dust performance of jacking cylinder, by being equipped with sealing ring 15 in the left side of dustband 16, improves oil The leakproofness of cylinder, prevents oil leak.
Specifically with improvement, the block 13 is tapered as shown in Figure 1: and connects with oil guide groove 12, the block 13 Left side be fixedly connected with metal clips 17, the both ends of the metal clips 17 are connect with the side walls of drive end bearing bracket 2, by It is equipped with the block 13 of taper at the port of oil guide groove 12, convenient for being sealed to oil guide groove 12, prevents in cylinder barrel 1 that pressure is excessive to be led Hydraulic fluid leak is caused, it is convenient that block 13 is supported by being fixedly connected with metal clips 17 in the left side of block 13.
More specifically with improvement, as shown in Figure 2: the surface at the both ends of the metal clips 17 is equipped with strip-shaped hole 18, the item Fixed pin 19 is equipped in shape hole 18, the fixed pin 19 is fixedly connected with drive end bearing bracket 2 and is slidably connected with strip-shaped hole 18, by The both ends of metal clips 17 are equipped with strip-shaped hole 18, convenient for being moved after making 17 stress of metal clips, make block 13 and oil guide groove 12 close connections.
The cylinder barrel -1, drive end bearing bracket -2, rear end cap -3, piston -4, first stage piston -5, second piston -6, chamber of the utility model Body -7, the first drive end bearing bracket -8, the second drive end bearing bracket -9, retainer plate -10, oil trap -11, oil guide groove -12, block -13, hydraulic fluid port -14, Sealing ring -15, dustband -16, metal clips -17, strip-shaped hole -18, fixed pin -19, component are universal standard part or ability Component, its structure and the principle that field technique personnel know all are that this technology personnel can learn by technical manual or pass through routine Experimental method knows that the jacking cylinder is specially HOB280/250-200/160-750, and the utility model passes through in jacking cylinder Drive end bearing bracket 2 at be fixedly connected with the retainer plate 10 with oil trap 11, overflow hydraulic oil in cylinder barrel 1 in oil trap 11 It is interior, it is convenient to form uniform oil film on the surface of piston 4 when piston 4 stretches out, the corrosion resistance of piston 4 is improved, top oil is improved The job stability of cylinder.
When the utility model is used, the oil pipe of hydraulic device is connected with the hydraulic fluid port 14 on 1 surface of cylinder barrel, then to top Oil-lifting jar is driven, and piston 4 is protruding under promotion, while squeezing hydraulic oil to the right, flows hydraulic oil along oil guide groove 12 Enter in oil trap 11, piston 4 passes through oil trap 11 when stretching out, and is then coated with one layer of oil film on the surface of piston 4, improves piston 4 corrosion resistance, when the pressure of hydraulic oil is excessive, deformation occurs for metal clips 17, moves along fixed pin 19 to two sides, makes to keep off Block 13 blocks oil guide groove 12, prevents hydraulic oil from excessively overflowing, and improves jacking cylinder airtightness.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of corrosion-resistant jacking cylinder for marine port machine, including cylinder barrel (1), drive end bearing bracket (2), rear end cap (3) and piston (4), it is characterised in that: the rear end cap (3) and drive end bearing bracket (2) are respectively fixedly connected in the left and right ends of cylinder barrel (1), the work Plug (4) is located in cylinder barrel (1) and is slidably connected with cylinder barrel (1);
The piston (4) includes first stage piston (5) and second piston (6), the first stage piston (5) be located in cylinder barrel (1) and with Cylinder barrel (1) is slidably connected, and the inside of the first stage piston (5) is equipped with cavity (7), and the second piston (6) is located at first stage piston (5) it is slidably connected in and with cavity (7);
The drive end bearing bracket (2) includes the first drive end bearing bracket (8) and the second drive end bearing bracket (9), first drive end bearing bracket (8) and cylinder barrel (1) It is fixedly connected, the first stage piston (5) is slidably connected through the first drive end bearing bracket (8) and with the first drive end bearing bracket (8), before described second End cap (9) is fixedly connected on the right end of first stage piston (5), before the second piston (6) is through the second drive end bearing bracket (9) and with second End cap (9) is slidably connected, and the side wall of the drive end bearing bracket (2) is equipped with retainer plate (10), and retainer plate (10) inner wall is equipped with oil-collecting Slot (11), the oil trap (11) are slidably connected with first stage piston (5) and/or second piston (6) respectively, in the drive end bearing bracket (2) Equipped with oil guide groove (12), oil guide groove (12) both ends are connected with cylinder barrel (1), oil trap (11) respectively, the oil guide groove (12) left end is equipped with block (13).
2. a kind of corrosion-resistant jacking cylinder for marine port machine according to claim 1, it is characterised in that: the cylinder barrel (1) surface is equipped with symmetrical hydraulic fluid port (14), and the hydraulic fluid port (14) is connected with cylinder barrel (1).
3. a kind of corrosion-resistant jacking cylinder for marine port machine according to claim 1, it is characterised in that: the front end The inside for covering (2) is equipped with sealing ring (15) and dustband (16), and the dustband (16) is located at the side Kou Chu of drive end bearing bracket (2), institute State the left side that sealing ring (15) is located at dustband (16).
4. a kind of corrosion-resistant jacking cylinder for marine port machine according to claim 1, it is characterised in that: the block (13) tapered and connected with oil guide groove (12), metal clips (17), institute are fixedly connected on the left of the block (13) The both ends for stating metal clips (17) are connect with the side walls of drive end bearing bracket (2).
5. a kind of corrosion-resistant jacking cylinder for marine port machine according to claim 4, it is characterised in that: the metal The surface at the both ends of elastic slice (17) is equipped with strip-shaped hole (18), is equipped with fixed pin (19) in the strip-shaped hole (18), the fixed pin (19) it is fixedly connected with drive end bearing bracket (2) and is slidably connected with strip-shaped hole (18).
CN201821607984.XU 2018-09-30 2018-09-30 A kind of corrosion-resistant jacking cylinder for marine port machine Active CN209100394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821607984.XU CN209100394U (en) 2018-09-30 2018-09-30 A kind of corrosion-resistant jacking cylinder for marine port machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821607984.XU CN209100394U (en) 2018-09-30 2018-09-30 A kind of corrosion-resistant jacking cylinder for marine port machine

Publications (1)

Publication Number Publication Date
CN209100394U true CN209100394U (en) 2019-07-12

Family

ID=67154128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821607984.XU Active CN209100394U (en) 2018-09-30 2018-09-30 A kind of corrosion-resistant jacking cylinder for marine port machine

Country Status (1)

Country Link
CN (1) CN209100394U (en)

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