CN217776865U

CN217776865U - Special device for disassembling and assembling oil cylinder piston

Info

Publication number: CN217776865U
Application number: CN202222164680.3U
Authority: CN
Inventors: 赵博; 尹东辉; 刘夫海; 于仁杰
Original assignee: Qingdao Changrong Container Storage And Transportation Co ltd
Current assignee: Qingdao Changrong Container Storage And Transportation Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-11
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a special device for disassembling and assembling a piston of an oil cylinder, which comprises a base, wherein one surface of the base is provided with a positioning shaft and a pin shaft, the other surface of the base is provided with a torque transmission part, the side surface of the base is provided with a plurality of pin holes, the pin shaft can be accurately and firmly fixed in a disassembling hole of the piston through the positioning shaft, the torque transmission part is rotated by a torque wrench or a pneumatic wrench, so that the piston can be disassembled and assembled by driving the rotation of the piston, and meanwhile, the pin holes on the side surface of the device can also be disassembled and assembled by a crowbar in an auxiliary way; the piston cannot be damaged in the using process, and the device also has the advantages of simple structure and convenience in processing.

Description

Special device for disassembling and assembling oil cylinder piston

Technical Field

The utility model belongs to the technical field of the hydraulic cylinder maintenance, concretely relates to hydro-cylinder piston dismouting isolated plant.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

The movable mechanical vehicle for port operation has high working load and large demand, and in order to ensure the good condition of equipment and ensure the use safety of the equipment, the oil cylinder of the mechanical vehicle needs to be overhauled and maintained at irregular intervals. In the process of overhauling, maintaining, disassembling and assembling the oil cylinder, a large amount of manpower is needed for matching, so that the time is long, and the maintenance efficiency is low; the existing large hydraulic oil cylinder piston dismounting process generally needs to be knocked by a copper bar, and the dismounting process using a bolt perforation crowbar for borrowing force is characterized in that the piston is too tight, the bolt is easy to slide, potential safety hazards exist due to uncertain factors such as too large elasticity of the crowbar, part surface damage and sealing element damage can be caused in the process of using the copper bar to knock and bolt perforation crowbar for stressing, part surface damage can influence part surface precision, and the sealing element can be damaged to cause oil cylinder oil leakage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a hydro-cylinder piston dismouting isolated plant can use when hydro-cylinder piston dismantles, can not cause the damage to the surface of piston.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

in a first aspect, the embodiment of the utility model provides a hydro-cylinder piston dismouting isolated plant, including the base, set up location axle and round pin axle on the face of base, set up moment of torsion transmission part on the another side, the side of base is equipped with a plurality of pinholes.

As a further technical scheme, the base is cylindrical.

As a further technical scheme, the positioning shaft is arranged at the center of the circular surface.

As a further technical scheme, the pin shafts are uniformly arranged around the positioning shaft.

As a further technical scheme, the number of the pin shafts is four.

As a further technical scheme, the torque transmission part is arranged in the center of the other circular surface.

As a further aspect, the torque transmission member is hexagonal prism shaped.

As a further technical scheme, the size of the pin shaft is matched with the size of a disassembly hole of the piston.

As a further technical scheme, the number of the pin holes is four.

As a further technical scheme, the axis of the pin hole is perpendicular to the axis of the pin shaft and is on the same plane.

Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:

the utility model provides a hydro-cylinder piston dismouting isolated plant, simple structure, convenient to use, when using, can accurately firmly fix the round pin axle downthehole in the dismantlement of piston through the location axle, utilizes torque wrench or air wrench to rotate torque transmission part, and then drives the rotatory dismouting that just can accomplish the piston of piston, and the pinhole of device side can also use the supplementary dismouting of crowbar simultaneously.

The utility model provides a hydro-cylinder piston dismouting isolated plant can replace and use the bar copper to hit and beat, the dismouting technology that the bolt perforation crowbar borrowed the power, avoids the piston tension, and the bolt is easily smooth, and the potential safety hazard that uncertain factors such as crowbar elasticity is too big brought has improved security and work efficiency when the operation, has effectively reduced staff's intensity of labour.

The utility model provides a hydro-cylinder piston dismouting isolated plant can not cause the damage to the piston in operation process.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural view of one angle of the special device for disassembling and assembling the cylinder piston of the present invention;

fig. 2 is a schematic structural view of another angle of the special device for disassembling and assembling the cylinder piston of the present invention.

The schematic drawings are used for illustration only;

wherein, 1 is a base, 2 is a positioning shaft, 3 is a pin shaft, 4 is a pin hole, and 5 is a torque transmission part.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The utility model discloses an among the typical embodiment, as shown in fig. 1 and fig. 2, provide an hydro-cylinder piston dismouting isolated plant, including base 1, location axle 2, round pin axle 3, pinhole 4, moment of torsion transmission part 5.

Base 1 is cylindrical, sets up location axle 2 and round pin axle 3 on the disc of base, and location axle 2 sets up the centre of a circle position at the disc, and round pin axle 3 evenly arranges around location axle 2, and the quantity of round pin axle is the same with the quantity in the removal hole on the piston to the size of round pin axle also suits with the size in removal hole, and the quantity of openly hoisting up the removal hole that rises hydro-cylinder piston like woods is four, then the quantity of round pin axle is four, in the round hole that location axle 2 can insert the piston, can play quick positioning pin axle's effect.

The other circular surface of the base 1 is provided with a torque transmission part 5, the torque transmission part 5 is arranged at the circle center of the circular surface, so that the stress of the whole device is uniform, the torque transmission part 5 is hexagonal, and the torque transmission part can be rotated by a torque wrench or a pneumatic wrench, so that the piston can be driven to rotate to complete the disassembly and assembly of the piston.

Be provided with a plurality of pinhole 4 on the side of base 1, the quantity of pinhole can be four, though accomplished rotatory dismantlement to the piston through air wrench sometimes, but can not be fine take out the piston from the hydro-cylinder, can cooperate the crowbar to use through the pinhole that sets up, supplementary piston's dismantlement.

In some embodiments, the axis of the pin hole is perpendicular to the axis of the pin shaft and is on the same plane, so that the axis of the pin hole is parallel to the rotation direction of the piston, the moment can be increased better, and the piston can be disassembled and assembled quickly and efficiently.

In some embodiments, the positioning shaft, the pin shaft and the torque transmission member may be welded to the base, or the positioning shaft, the pin shaft, the torque transmission member and the base may be integrally formed.

In some embodiments, the whole special device for disassembling and assembling the oil cylinder piston is made of alloy structural steel. The alloy structural steel has good comprehensive properties, such as good corrosion resistance and low temperature resistance, strong impact resistance, long service life and the like; the strength is high, the self weight of the steel structure can be reduced, and the economic benefit is good; and is easy to process.

When using, at first put into the round hole at piston center with the location axle, then rotatory whole device, make the round pin axle fall into the dismantlement downthehole of piston, use air wrench to dismantle or install the piston after that, can also put into the pinhole of device side with the crowbar simultaneously and assist dismantlement or installation, can not cause the damage to the piston in the use, whole hydro-cylinder piston dismouting isolated plant also has simple structure, the advantage of easily processing.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The special device for disassembling and assembling the oil cylinder piston is characterized by comprising a base, wherein one surface of the base is provided with a positioning shaft and a pin shaft, the other surface of the base is provided with a torque transmission part, and the side surface of the base is provided with a plurality of pin holes.

2. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 1, wherein the base is cylindrical.

3. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 2, wherein the positioning shaft is arranged at the center of the circular surface.

4. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 3, wherein the pin shafts are uniformly arranged around the positioning shaft.

5. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 4, wherein the number of the pin shafts is four.

6. The apparatus as claimed in claim 2, wherein the torque transmission member is provided at a center of the other circular surface.

7. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 6, wherein the torque transmission part is hexagonal prism shaped.

8. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 1, wherein the size of the pin shaft is adapted to the size of the disassembling hole of the piston.

9. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 1, wherein the number of the pin holes is four.

10. The special device for disassembling and assembling the piston of the oil cylinder as claimed in claim 9, wherein the axis of the pin hole is perpendicular to the axis of the pin shaft and is on the same plane.