CN114673710A

CN114673710A - Corrosion-resistant water tank structure with bushing

Info

Publication number: CN114673710A
Application number: CN202210193596.6A
Authority: CN
Inventors: 仲崇胜; 苗海潮; 曹立伟
Original assignee: Panyu Zhujiang Steel Pipe Lianyungang Co ltd
Current assignee: Panyu Zhujiang Steel Pipe Lianyungang Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-28

Abstract

The invention relates to the technical field of water cylinders of hydraulic expanding machines, in particular to an anti-corrosion water cylinder structure with a bush. According to the invention, the cylinder bottom and the cylinder barrel are fixedly installed through the hexagon socket head cap screw A, the piston is sleeved on the piston rod, the half ring is installed at the wide groove at the lower end of the piston rod, the shaft sleeve is sleeved on the half ring from bottom to top, then the dust seal, the wear-resisting ring B, the Style seal and the rubber clamping cloth are sequentially installed on the cylinder cover, and the cylinder cover and the flange are fixedly connected with the cylinder barrel through the hexagon socket head cap screw B, so that the installation of the piston and the piston rod is completed, the use at a seaside saline-alkali place is realized, the occurrence of corrosion and abrasion is avoided, the service life is prolonged, the use cost is reduced, the maintenance and the replacement are more convenient, the tightness is good, the occurrence of inner leakage is avoided, and the use effect is obviously improved.

Description

Corrosion-resistant water tank structure with bushing

Technical Field

The invention relates to the technical field of water cylinders of hydraulic expanding machines, in particular to a corrosion-resistant water cylinder structure with a bushing.

Background

The expanding machine is a straight seam metal welded pipe shaping equipment, and is characterized by that it uses conical expanding head to expand in the steel pipe so as to eliminate the forming pressure and welding stress of steel pipe and ensure the uniform size of full-length section of straight seam welded steel pipe. The equipment consists of a trolley, an expander, a working sleeve, a fixed seat, an oil cylinder, a lubricating station, a rack, a hydraulic station and an electric control system. The expander is arranged on the trolley and is connected to the oil cylinder through a working sleeve, and the expander comprises an expansion head, an expansion block, a guide disc, a pull rod and the like. The large-scale equipment ensures the sizing of the appearance of the straight-seam metal welded pipe and eliminates stress through a sectional type mechanical extruding and expanding process.

The hydraulic expanding machine has the main function of utilizing high-pressure water to press and expand the steel pipes and eliminating stress generated in the welding process of the steel pipes. Because of the particularity of the operation of the equipment, a large amount of circulating water is needed for injecting water into the steel pipe and pressurizing the steel pipe, so that a power system of the equipment can only work by a water cylinder, and if the hydraulic cylinder is adopted, once oil leaks, water is polluted, a large amount of sewage and wastewater can be caused, the steel pipe is polluted, and unqualified products are produced. The whole hydraulic expanding machine is provided with 16 water cylinders for driving the lifting action of the die and 8 groups of water cylinders for carrying out the die locking and pressure testing actions.

In the prior art, a factory building is usually built at a seaside saline-alkali place, the effect of a water tank anti-leakage measure is poor, salt content in the water tank is high, water has strong corrosivity, and after a common water tank is used for a period of time, the inner wall of the cylinder barrel is generally corroded and abraded, pits are densely distributed, and the inner leakage is serious and cannot be used.

Disclosure of Invention

Aiming at the existing problems, the invention provides a corrosion-resistant water tank structure with a bushing.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a take bush corrosion resistant type water jar structure, including the mode locking main part, mode locking main part top surface is linear equidistant structure and is equipped with a plurality of cylinders, the cylinder bottom surface is equipped with the cylinder bottom, the cylinder top surface is equipped with the cylinder cap, the inside clearance fit of cylinder has the cylinder bush, the inside lower extreme sliding connection of cylinder bush has the piston, the inside joint of piston has the piston rod, the pot head is equipped with the axle sleeve under the piston rod, the inside symmetrical structure joint around being of wide recess of piston rod has two semi-rings, the joint of the narrow groove of piston rod department has the axial circlip, wear ring A is installed to piston outer wall lower extreme, piston lower extreme middle part joint has the glade ring, the axle sleeve upper end is equipped with O type circle A.

Preferably, the cylinder bottom is in threaded connection with the cylinder bottom through a hexagon socket head cap screw A, the inner wall of the shaft sleeve is in frictional contact with the outer wall of the semi-ring, the cylinder cover is in sliding connection with the piston rod, and the upper end and the lower end of the cylinder barrel bushing are in frictional contact with the cylinder bottom and the cylinder cover.

Preferably, the outer wall of the shaft sleeve is in frictional contact with the inner wall of the piston, and the top surface of the spring retainer ring for the shaft is in frictional contact with the bottom surface of the shaft sleeve.

Preferably, the upper end of the cylinder cover is provided with a flange, and the cylinder cover and the flange are fixedly connected with the cylinder barrel through hexagon socket head cap bolts B.

Preferably, the inner wall of the cylinder cover is sequentially provided with a dust seal, a wear-resistant ring B, a step seal and rubber clamp cloth from top to bottom, and the inner walls of the dust seal, the wear-resistant ring B, the step seal and the rubber clamp cloth are in frictional contact with the outer wall of the piston rod.

Preferably, the outer walls of the wear-resistant ring A, the Glare ring and the O-shaped ring A are in frictional contact with the inner wall of the cylinder barrel bushing.

Preferably, the outer wall of the upper end of the cylinder bottom and the outer wall of the lower end of the cylinder cover are of vertical symmetrical structures and are provided with two O-shaped rings B, and the outer walls of the O-shaped rings B are in frictional contact with the inner wall of the cylinder barrel lining.

Preferably, the top surface of the cylinder bottom is in frictional contact with the bottom surface of the piston, and the top surface of the piston is in frictional contact with the bottom surface of the cylinder cover.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention installs an O-shaped ring A on a cylinder bottom, inserts the cylinder bottom into the bottom of a cylinder barrel, then installs and fixes the cylinder bottom and the cylinder barrel through an inner hexagon bolt A, installs the O-shaped ring A on a piston rod, sleeves a piston on the piston rod and tightly presses the O-shaped ring A, then installs a semi-ring at a wide groove at the lower end of the piston rod, sleeves a shaft sleeve on the semi-ring from bottom to top, limits and fixes the shaft sleeve through a spring retaining ring by a shaft, then sequentially installs a dust seal, a wear-resistant ring B, a St seal and rubber clamping cloth on a cylinder cover, inserts the cylinder cover into the upper end of the piston rod, and connects and fixes the cylinder cover and a flange with the cylinder barrel through an inner hexagon bolt B to complete the installation of the piston and the piston rod; when the cylinder barrel lining is worn and worn to be enlarged, the inner leakage is enlarged, and when the replacement standard is reached, the cylinder barrel lining can be replaced by only disassembling the inner hexagon bolt A or the inner hexagon bolt B and then taking down the cylinder bottom or the cylinder cover. The problem of seaside saline and alkaline department, the pond antiseep measure effect is not good, ordinary type jar is after using a period, the general corrosion wearing and tearing of cylinder inner wall, the pockmark is densely covered, interior hourglass is serious, the problem that can't use, the use in seaside saline and alkaline department has been realized, corrosion resistance has been increased, the emergence of corrosion wearing and tearing has been avoided, the integrality has been protected, the service life is prolonged, use cost is reduced, maintenance and change convenient and fast more, use the leakproofness well to avoid the emergence of interior hourglass, the result of use is remarkably improved.

2. The cylinder liner is convenient to mount and dismount by the inner hexagon bolt A and the inner hexagon bolt B, the cylinder liner is convenient to replace, the replacement time is saved, the service life is prolonged, the airtightness is improved by the use of sealing rings such as dust seals, wear-resistant rings B, Stent seals and rubber clamping cloth, the occurrence of inner leakage is effectively reduced, the piston is convenient to mount by the use of the semi-ring, the shaft sleeve and the spring retainer ring for the shaft, the piston is not easy to fall off, the use stability of the cylinder liner is improved, and the cylinder liner is safer and more reliable to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top view of the mold clamping assembly of the present invention;

FIG. 3 is a sectional view of the main structure of the mold clamping apparatus according to the present invention;

fig. 4 is a sectional view of the cylinder structure of the present invention.

The reference numbers in the figures illustrate: 1. a hexagon socket head cap screw A; 2. a spring collar for the shaft; 3. a wear-resistant ring A; 4. a Glare circle; 5. o-shaped ring A; 6. a cylinder barrel; 7. a wear-resistant ring B; 8. performing steckel; 9. rubber clamping cloth; 10. carrying out dust sealing; 11. a piston rod; 12. a cylinder bottom; 13. an O-shaped ring B; 14. a shaft sleeve; 15. a half ring; 16. a piston; 17. a cylinder barrel liner; 18. a hexagon socket head cap screw B; 19. a cylinder cover; 20. a flange; 21. and a mold locking main body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

As shown in fig. 1-4, an anti-corrosion water cylinder structure with a bushing comprises a mold locking main body 21, wherein the top surface of the mold locking main body 21 is in a linear equidistant structure and is provided with a plurality of cylinder barrels 6, the bottom surface of each cylinder barrel 6 is provided with a cylinder bottom 12, the top surface of each cylinder barrel 6 is provided with a cylinder cover 19, the inside of each cylinder barrel 6 is in clearance fit with a cylinder barrel bushing 17, the inside lower end of each cylinder barrel bushing 17 is slidably connected with a piston 16, a piston rod 11 is clamped inside the piston 16, the lower end of the piston rod 11 is sleeved with a shaft sleeve 14, two semi-rings 15 are clamped inside a wide groove of the piston rod 11 in a front-back symmetrical structure, a spring retainer ring 2 for a shaft is clamped at a narrow groove of the piston rod 11, the lower end of the outer wall of the piston 16 is provided with a wear-resistant ring A3, the middle part of the lower end of the piston 16 is clamped with a gurley ring 4, and the upper end of the shaft sleeve 14 is provided with an O-shaped ring a 5. The cylinder barrel lining 17 is made of high-quality stainless steel plates by rolling, the cylinder barrel 6 is made of common carbon steel materials, the piston 16 is made of high-quality stainless steel materials, the hardness is higher than that of the cylinder barrel lining 17,

The cylinder bottom 12 is in threaded connection with the cylinder bottom 12 through a hexagon socket head cap A1, the inner wall of the shaft sleeve 14 is in frictional contact with the outer wall of the semi-ring 15, the cylinder cover 19 is in sliding connection with the piston rod 11, and the upper end and the lower end of the cylinder barrel bushing 17 are in frictional contact with the cylinder bottom 12 and the cylinder cover 19.

The outer wall of the shaft sleeve 14 is in frictional contact with the inner wall of the piston 16, and the top surface of the spring retainer 2 for the shaft is in frictional contact with the bottom surface of the shaft sleeve 14.

The upper end of the cylinder cover 19 is provided with a flange 20, and the cylinder cover 19 and the flange 20 are fixedly connected with the cylinder barrel 6 through a hexagon socket head cap B18.

The inner wall of the cylinder cover 19 is sequentially provided with a dust seal 10, a wear-resistant ring B7, a steiner 8 and a rubber clamping cloth 9 from top to bottom, and the inner walls of the dust seal 10, the wear-resistant ring B7, the steiner 8 and the rubber clamping cloth 9 are in frictional contact with the outer wall of the piston rod 11.

The outer walls of the wear-resistant ring A3, the Glare ring 4 and the O-shaped ring A5 are in frictional contact with the inner wall of the cylinder barrel bushing 17.

The outer wall of the upper end of the cylinder bottom 12 and the outer wall of the lower end of the cylinder cover 19 are both provided with two O-shaped rings B13 in a vertically symmetrical structure, and the outer wall of the O-shaped ring B13 is in frictional contact with the inner wall of the cylinder barrel lining 17.

The top surface of the cylinder bottom 12 is in frictional contact with the bottom surface of the piston 16, and the top surface of the piston 16 is in frictional contact with the bottom surface of the cylinder head 19.

The mounting principle of the invention is that firstly, the O-shaped ring A5 is mounted on the cylinder bottom 12, the cylinder bottom 12 is inserted into the bottom of the cylinder barrel 6, then the cylinder bottom 12 and the cylinder barrel are mounted and fixed through the hexagon socket head cap bolt A1, the O-shaped ring A5 is mounted on the piston rod 11, the piston 16 is sleeved on the piston rod 11 and is tightly pressed with the O-shaped ring A5, then the semi-ring 15 is mounted at the wide groove at the lower end of the piston rod 11, the shaft sleeve 14 is sleeved on the semi-ring 15 from bottom to top, the shaft sleeve 14 is limited and fixed through the spring retainer ring 2 for the shaft, then the dust seal 10, the wear-resistant ring B7, the Stent seal 8 and the rubber clamp 9 are sequentially mounted on the cylinder cover 19, the cylinder cover 19 is inserted into the upper end of the piston rod 11, the cylinder cover 19 and the flange 20 are fixedly connected with the cylinder barrel 6 through the hexagon socket head cap bolt B18, and the mounting of the piston 16 and the piston rod 11 is completed; when the cylinder liner 17 is worn and enlarged, the inner leakage is enlarged, and when the replacement standard is reached, the cylinder liner 17 can be replaced only by disassembling the hexagon socket head cap bolt A1 or the hexagon socket head cap bolt B18 and then taking down the cylinder bottom 12 or the cylinder cover 19, so that the whole water cylinder does not need to be replaced, and the maintenance cost is effectively reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a take bush corrosion-resistant type jar structure which characterized in that: comprises a mold locking main body (21), a plurality of cylinder barrels (6) are arranged on the top surface of the mold locking main body (21) in a linear equidistant structure, the bottom surface of the cylinder barrel (6) is provided with a cylinder bottom (12), the top surface of the cylinder barrel (6) is provided with a cylinder cover (19), a cylinder barrel lining (17) is in clearance fit in the cylinder barrel (6), the lower end in the cylinder barrel lining (17) is connected with a piston (16) in a sliding way, a piston rod (11) is clamped in the piston (16), a shaft sleeve (14) is sleeved at the lower end of the piston rod (11), two semi-rings (15) are clamped in the wide groove of the piston rod (11) in a front-back symmetrical structure, a spring retainer ring (2) for a shaft is clamped at the narrow groove of the piston rod (11), wear-resisting ring A (3) is installed to piston (16) outer wall lower extreme, piston (16) lower extreme middle part joint has gley circle (4), axle sleeve (14) upper end is equipped with O type circle A (5).

2. The corrosion-resistant water tank structure with the liner according to claim 1, wherein: the cylinder bottom (12) is in threaded connection with the cylinder bottom (12) through an inner hexagon bolt A (1), the inner wall of the shaft sleeve (14) is in friction contact with the outer wall of the semi-ring (15), the cylinder cover (19) is in sliding connection with the piston rod (11), and the upper end and the lower end of the cylinder barrel lining (17) are in friction contact with the cylinder bottom (12) and the cylinder cover (19).

3. The corrosion-resistant water tank structure with the liner according to claim 1, wherein: the outer wall of the shaft sleeve (14) is in friction contact with the inner wall of the piston (16), and the top surface of the spring retainer ring (2) for the shaft is in friction contact with the bottom surface of the shaft sleeve (14).

4. The corrosion-resistant water tank structure with the liner according to claim 1, wherein: the cylinder cover is characterized in that a flange (20) is arranged at the upper end of the cylinder cover (19), and the cylinder cover (19) and the flange (20) are fixedly connected with the cylinder barrel (6) through hexagon socket head bolts B (18).

5. The corrosion-resistant water tank structure with the liner according to claim 1, wherein: the inner wall of the cylinder cover (19) is sequentially provided with a dust seal (10), a wear-resistant ring B (7), a steckel seal (8) and rubber clamp cloth (9) from top to bottom, and the inner walls of the dust seal (10), the wear-resistant ring B (7), the steckel seal (8) and the rubber clamp cloth (9) are in friction contact with the outer wall of the piston rod (11).

6. The corrosion-resistant water tank structure with a liner as claimed in claim 1, wherein: the outer walls of the wear-resistant ring A (3), the Gray ring (4) and the O-shaped ring A (5) are in frictional contact with the inner wall of the cylinder barrel lining (17).

7. The corrosion-resistant water tank structure with a liner as claimed in claim 1, wherein: two O-shaped rings B (13) are installed on the outer wall of the upper end of the cylinder bottom (12) and the outer wall of the lower end of the cylinder cover (19) in an up-down symmetrical structure, and the outer wall of the O-shaped ring B (13) is in friction contact with the inner wall of the cylinder barrel lining (17).

8. The corrosion-resistant water tank structure with a liner as claimed in claim 1, wherein: the top surface of the cylinder bottom (12) is in frictional contact with the bottom surface of the piston (16), and the top surface of the piston (16) is in frictional contact with the bottom surface of the cylinder cover (19).