CN216618094U

CN216618094U - Acceleration rate structure based on hydraulic cylinder initial motion

Info

Publication number: CN216618094U
Application number: CN202123044565.4U
Authority: CN
Inventors: 贺冠军; 林宏柱
Original assignee: Shaoguan Guanhua Machinery Co ltd
Current assignee: Shaoguan Guanhua Machinery Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-27
Anticipated expiration: 2031-12-06

Abstract

The utility model belongs to the technical field of hydraulic oil cylinders, and relates to an acceleration structure based on initial action of a hydraulic oil cylinder. The user is connected hydraulic oil duct and second inlet port, oil duct, first oil feed and pressure release hole, and during hydraulic oil entered into hydraulic valve piece through the second inlet port, hydraulic oil reentered into the oil duct, because of the oil duct is thinner, so hydraulic oil can promote the second piston action fast, thereby the second piston drives the action of second piston rod and makes the action of first piston rod, and this setting can make the device when initial action, and quick action effectively practices thrift a large amount of time.

Description

Acceleration rate structure based on hydraulic cylinder initial motion

Technical Field

The utility model belongs to the technical field of hydraulic oil cylinders, and particularly relates to a speed-up structure based on initial action of a hydraulic oil cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder basically comprises a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, however, a speed-increasing structure based on the initial action of the hydraulic cylinder on the market still has various defects and cannot meet the production requirement.

When the existing hydraulic cylinder is used, a piston rod slowly extends out, a speed-increasing structure is not arranged, time is wasted, some special work cannot be used, and the use range of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a speed-increasing structure based on initial action of a hydraulic oil cylinder, and aims to solve the problems that in the prior art, a piston rod of the speed-increasing structure based on the initial action of the hydraulic oil cylinder is slow in extending action, so that time is wasted, some special work cannot be used, and the application range of the device is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a speed-up structure based on initial action of hydraulic cylinder, includes the hydro-cylinder, the one end fixedly connected with hydraulic valve piece of hydro-cylinder inner chamber, the one end sliding connection of hydro-cylinder surface has first piston rod, one side fixedly connected with second piston rod of first piston rod surface, the surface of first piston rod and second piston rod is fixedly connected with first piston and second piston respectively, the middle part sliding connection of second piston and hydraulic valve piece.

Preferably, an oil duct is arranged in the middle of the hydraulic valve block, the second piston is connected with the oil duct in a sliding mode, and a second oil inlet hole is formed between the hydraulic valve block and the oil cylinder.

Preferably, one end of the inner cavity of the oil cylinder is fixedly connected with a partition plate, and the partition plate is connected with one end, close to the second piston, of the first piston rod in a sliding mode.

Preferably, the outer surfaces of the first piston and the second piston are both provided with damping holes.

Preferably, one end of the inner cavity of the oil cylinder is fixedly connected with a first cushion pad, and one end of the first piston rod, which is close to the hydraulic valve block, is fixedly connected with a second cushion pad.

Preferably, the two sides of the outer surface of the oil cylinder are respectively provided with a pressure relief hole and a first oil inlet hole.

Preferably, the other side of the first piston rod is fixedly connected with a first mounting seat, and one side of the outer surface of the oil cylinder is fixedly connected with a second mounting seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first mounting seat and the second mounting seat are mounted on equipment needing to be used, the device can normally work through the arrangement, the best working state is achieved, when the device is used, a user connects the hydraulic oil duct with the second oil inlet hole, the oil duct, the first oil inlet and the pressure relief hole, hydraulic oil enters the hydraulic valve block through the second oil inlet hole and then enters the oil duct, the hydraulic oil can rapidly push the second piston to act due to the fact that the oil duct is thin, the second piston drives the second piston rod to act, and therefore the first piston rod acts.

2. Through first piston rod fast action, when reacing certain position, because the moment that the oil duct is thinner provided is less, at this moment, make first inlet port oil feed, hydraulic oil drives first piston rod through first piston and stretches out, this setting can provide great moment, the first blotter of setting can prevent that first piston and hydro-cylinder from interfering mutually, lead to first piston to damage, influence the normal use of device, the second blotter of setting can prevent that the hydraulic valve piece from interfering mutually, prevent to damage the hydraulic valve piece, the problem that the acceleration rate structure that leads to initial action became invalid.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the construction of the first and second piston rods of the present invention;

FIG. 3 is a schematic view of the internal structure of the cylinder according to the present invention;

FIG. 4 is a schematic diagram of the explosion inside the cylinder according to the present invention;

FIG. 5 is a schematic top view of the cylinder of the present invention.

In the figure: 1. an oil cylinder; 2. a second mounting seat; 3. a first piston rod; 4. a first mounting seat; 5. a first piston; 6. a damping hole; 7. a second cushion pad; 8. a partition plate; 9. a second piston rod; 10. a second piston; 11. a first cushion pad; 12. a hydraulic valve block; 13. a second oil inlet hole; 14. an oil passage; 16. a first oil inlet hole; 17. a pressure relief vent.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a speed-up structure based on initial action of hydraulic cylinder, includes hydro-cylinder 1, the one end fixedly connected with hydraulic valve piece 12 of 1 inner chamber of hydro-cylinder, the one end sliding connection of 1 surface of hydro-cylinder has first piston rod 3, one side fixedly connected with second piston rod 9 of 3 surfaces of first piston rod, the surface difference fixedly connected with first piston 5 and second piston 10 of first piston rod 3 and second piston rod 9, the middle part sliding connection of second piston 10 and hydraulic valve piece 12.

In the embodiment, the first mounting seat 4 and the second mounting seat 2 are mounted on the equipment to be used, the arrangement can enable the device to work normally to achieve the optimal working state, when the device is used, a user connects the hydraulic oil pipe with the second oil inlet 13, the oil duct 14, the first oil inlet 16 and the pressure relief 17, hydraulic oil enters the hydraulic valve block 12 through the second oil inlet 13, and then enters the oil duct 14, because the oil duct 14 is thin, the hydraulic oil can quickly push the second piston 10 to act, the second piston 10 drives the second piston rod 9 to act to enable the first piston rod 3 to act, the arrangement can enable the device to act quickly when the device initially acts, a large amount of time is effectively saved, when the device reaches a certain position through the quick action of the first piston rod 3, because the torque provided by the thin oil duct 14 is small, at this moment, make 16 oil intakes of first inlet port, hydraulic oil drives first piston rod 3 through first piston 5 and stretches out, and this setting can provide great moment, and the first blotter 11 of setting can prevent that first piston 5 from interfering mutually with hydro-cylinder 1, leads to first piston 5 to damage, influences the normal use of device, and the second blotter 7 of setting can prevent that hydraulic valve piece 12 from interfering mutually, prevents to damage hydraulic valve piece 12, leads to the acceleration rate structure failure of initial action.

Specifically, an oil passage 14 is arranged in the middle of the hydraulic valve block 12, the second piston 10 is slidably connected with the oil passage 14, and a second oil inlet 13 is arranged between the hydraulic valve block 12 and the oil cylinder 1.

In this embodiment, hydraulic oil enters the hydraulic valve block 12 through the second oil inlet 13, and then enters the oil passage 14, because the oil passage 14 is thin, the hydraulic oil can rapidly push the second piston 10 to move, and the second piston 10 drives the second piston rod 9 to move, so that the first piston rod 3 moves.

Specifically, one end of the inner cavity of the oil cylinder 1 is fixedly connected with a partition plate 8, and the partition plate 8 is slidably connected with one end of the first piston rod 3 close to the second piston 10.

In this embodiment, the partition plate 8 can make the first piston rod 3 slide more stably, thereby preventing oil leakage inside the oil cylinder 1.

Specifically, the outer surfaces of the first piston 5 and the second piston 10 are both provided with damping holes 6.

In the embodiment, the damping hole 6 can reduce the direct impact of power or pressure on the internal components, and protect the stability of the components.

Specifically, one end of the inner cavity of the oil cylinder 1 is fixedly connected with a first cushion pad 11, and one end of the first piston rod 3 close to the hydraulic valve block 12 is fixedly connected with a second cushion pad 7.

In this embodiment, the first cushion pad 11 can prevent the first piston 5 from interfering with the oil cylinder 1, so that the first piston 5 is damaged, which affects the normal use of the device, and the second cushion pad 7 can prevent the hydraulic valve block 12 from interfering, so that the hydraulic valve block 12 is prevented from being damaged, which causes the failure of the speed increasing structure of the initial action.

Specifically, two sides of the outer surface of the oil cylinder 1 are respectively provided with a pressure relief hole 17 and a first oil inlet hole 16.

In this embodiment, make first inlet port 16 oil feed, hydraulic oil drives first piston rod 3 through first piston 5 and stretches out, and this setting can provide great moment.

Specifically, the other side of the first piston rod 3 is fixedly connected with a first mounting seat 4, and one side of the outer surface of the oil cylinder 1 is fixedly connected with a second mounting seat 2.

In this embodiment, the first mounting seat 4 and the second mounting seat 2 are mounted on the equipment to be used, and this arrangement enables the device to work normally to achieve the optimal working state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a speed-increasing structure based on hydraulic cylinder initial action, includes hydro-cylinder (1), its characterized in that: the one end fixedly connected with hydraulic valve piece (12) of hydro-cylinder (1) inner chamber, the one end sliding connection of hydro-cylinder (1) surface has first piston rod (3), one side fixedly connected with second piston rod (9) of first piston rod (3) surface, the surface difference fixedly connected with first piston (5) and second piston (10) of first piston rod (3) and second piston rod (9), the middle part sliding connection of second piston (10) and hydraulic valve piece (12).

2. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: an oil duct (14) is arranged in the middle of the hydraulic valve block (12), the second piston (10) is in sliding connection with the oil duct (14), and a second oil inlet hole (13) is formed between the hydraulic valve block (12) and the oil cylinder (1).

3. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: one end of the inner cavity of the oil cylinder (1) is fixedly connected with a partition plate (8), and the partition plate (8) is in sliding connection with one end, close to the second piston (10), of the first piston rod (3).

4. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: damping holes (6) are formed in the outer surfaces of the first piston (5) and the second piston (10).

5. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: one end fixedly connected with first blotter (11) of hydro-cylinder (1) inner chamber, one end fixedly connected with second blotter (7) that first piston rod (3) are close to hydraulic valve piece (12).

6. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: and a pressure relief hole (17) and a first oil inlet hole (16) are respectively formed in two sides of the outer surface of the oil cylinder (1).

7. The acceleration structure based on hydraulic cylinder initial motion of claim 1, characterized in that: the other side of the first piston rod (3) is fixedly connected with a first mounting seat (4), and one side of the outer surface of the oil cylinder (1) is fixedly connected with a second mounting seat (2).