CN215634103U

CN215634103U - Oil cylinder suspension device capable of compensating height

Info

Publication number: CN215634103U
Application number: CN202121945328.2U
Authority: CN
Inventors: 郭龙鑫; 徐东; 郑磊; 庞洪轩; 付中原; 关秀格; 王智聪; 申习民
Original assignee: Hebei University of Engineering; Hebei Puyang Iron and Steel Co Ltd
Current assignee: Hebei University of Engineering; Hebei Puyang Iron and Steel Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-25
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a cylinder suspension device capable of compensating height, and relates to the field of compensation cylinder suspension: comprises a cylinder head, a cylinder barrel and a bottom lug, the bottom of the cylinder head is fixedly connected with a piston rod, the bottom of the piston rod is fixedly connected with the cylinder barrel, the bottom of the cylinder barrel is fixedly connected with the bottom lug, the oil cylinder suspension device capable of compensating height comprises a cylinder head connecting rod fixedly connected to one side of a piston rod, an auxiliary piston rod movably connected to the other side of the cylinder head connecting rod through a screw, an auxiliary cylinder barrel movably connected to the bottom of the auxiliary piston rod, a bottom lug connecting rod movably connected to one side of the auxiliary cylinder barrel, two groups of cylinder head connecting rods, two groups of auxiliary piston rods, two groups of auxiliary cylinder barrels and two groups of bottom lug connecting rods, is symmetrically fixed on both sides of the piston rod, is different from the common oil cylinder suspension device which only has one piston rod, the suspension device is provided with two other auxiliary piston rods, and under different conditions, the auxiliary piston rods can play a role in balancing moment, so that the service life of the piston rods is prolonged.

Description

Oil cylinder suspension device capable of compensating height

Technical Field

The utility model relates to the field of compensation oil cylinder suspension, in particular to an oil cylinder suspension device capable of realizing height compensation.

Background

The hydraulic cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy. The hydraulic motor performs a continuous rotary motion, while the hydraulic cylinder performs a reciprocating motion. The hydraulic cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, and the swing cylinder realizes reciprocating swing and outputs angular speed (rotating speed) and torque. The hydraulic cylinder may be used in combination of two or more or in combination with other mechanisms, in addition to being used singly. To accomplish a particular function. The hydraulic cylinder has simple structure and reliable work and is widely applied to a hydraulic system of a machine tool.

The prior art has the following defects or problems: the existing oil cylinder suspension lacks an auxiliary piston, has larger pressure on a piston rod in an unbalanced state, and is easy to damage a piston device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cylinder suspension device capable of realizing high compensation, aiming at solving the problems that the existing cylinder suspension device in the background art is short of an auxiliary piston, has high pressure on a piston rod in an unbalanced state and is easy to damage a piston device.

In order to achieve the purpose, the utility model provides the following technical scheme: the cylinder head comprises a cylinder head, a cylinder barrel and a bottom lug, wherein a piston rod is fixedly connected to the bottom of the cylinder head, the bottom of the piston rod is slidably mounted in the cylinder barrel, and the bottom of the cylinder barrel is fixedly connected with the bottom lug.

As a further scheme of the utility model: the cylinder head connecting rod is fixedly connected to one side of the piston rod, the auxiliary piston rod is movably connected to the other side of the cylinder head connecting rod through a screw, the auxiliary cylinder barrel is movably connected to the bottom of the auxiliary piston rod, the bottom lug connecting rod is movably connected to one side of the auxiliary cylinder barrel, the bottom lug connecting rod is fixedly connected to two sides of the bottom lug, the cylinder head connecting rod, the auxiliary piston rod, the auxiliary cylinder barrel and the bottom lug connecting rod are in two groups, and the auxiliary cylinder barrel and the bottom lug connecting rod are symmetrically fixed to two sides of the piston rod.

As a further scheme of the utility model: the inner wall of the cylinder barrel is fixedly connected with a dustproof ring, the bottom of the dustproof ring is fixedly connected with a piston rod main seal, the piston rod main seal is fixedly connected to the inner wall of the cylinder barrel, the dustproof ring is located at the top of the piston rod main seal, the bottom of the piston rod main seal is fixedly connected with a cup, and the cup is fixedly connected to the inner wall of the cylinder barrel.

As a further scheme of the utility model: the inside fixedly connected with of supplementary cylinder assists the dust ring, and supplementary dust ring bottom fixedly connected with assists piston rod main seal, and supplementary piston rod main seal fixed connection is inside supplementary cylinder.

As a further scheme of the utility model: the inside fixedly connected with cushion collar of cylinder, the antifouling ring of cushion collar bottom fixedly connected with, antifouling ring fixed connection is inside the cylinder.

As a further scheme of the utility model: and the outer wall of the bottom of the piston rod is in threaded connection with a nut.

As a further scheme of the utility model: the inside fixedly connected with piston and piston main seal of cylinder, piston and piston main seal fixed connection are at the nut outer wall.

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

1. the oil cylinder suspension device capable of compensating height is characterized in that the side face of the top end of a piston rod is fixedly connected with one end of a cylinder head connecting rod, the other end of the cylinder head connecting rod is rotatably connected with the top end of an auxiliary piston rod through a pin, the bottom end of the auxiliary piston rod is slidably mounted in an auxiliary cylinder barrel, the bottom end of the auxiliary cylinder barrel is rotatably connected with one end of a bottom lug connecting rod through a pin, the other end of the bottom lug connecting rod is fixedly connected with the outer wall of the bottom lug, the two groups of cylinder head connecting rod, the auxiliary piston rod, the auxiliary cylinder barrel and the bottom lug connecting rod are symmetrically fixed on the two sides of the piston rod, the oil cylinder suspension device is different from a common oil cylinder suspension device and only has one piston rod, the suspension device is provided with the other two auxiliary piston rods, the auxiliary piston rods can play a role in balancing moment under different conditions, and the service life of the piston rods is prolonged;

2. this hydro-cylinder linkage that can highly compensate, cylinder inner wall fixedly connected with dust ring, dust ring bottom fixedly connected with piston rod main seal, piston rod main seal fixed connection are at the cylinder inner wall, and the dust ring is located piston rod main seal top, and piston rod main seal bottom fixedly connected with cup soldier, cup soldier fixed connection are at the cylinder inner wall, and dust ring and piston rod main seal can be isolated the outer greasy dirt of piston rod and come, cause the cylinder body wearing and tearing in avoiding getting into the cylinder.

Drawings

FIG. 1 is a front view of a height compensated cylinder suspension of the present invention;

FIG. 2 is a cross-sectional view of a height-compensated cylinder suspension of the present invention;

fig. 3 is a schematic diagram illustrating the use of a height-compensated cylinder suspension apparatus according to the present invention.

As shown in the figure: 1. a cylinder head; 2. a piston rod; 3. a cylinder barrel; 4. a bottom ear; 5. a cylinder head connecting rod; 6. a bottom lug connecting rod; 7. an auxiliary piston rod; 8. an auxiliary cylinder; 9. a dust ring; 10. the piston rod is mainly sealed; 11. a cupola; 12. an auxiliary dust ring; 13. the auxiliary piston rod is mainly sealed; 14. a buffer sleeve; 15. an antifouling ring; 16. a nut; 17. a piston.

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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the embodiment of the present invention includes a cylinder head 1, a cylinder barrel 3 and a bottom lug 4, and is characterized in that: the bottom of the cylinder head 1 is fixedly connected with a piston rod 2, the bottom of the piston rod 2 is slidably mounted in a cylinder barrel 3, and the bottom of the cylinder barrel 3 is fixedly connected with a bottom lug 4.

The side surface of the top end of the piston rod 2 is fixedly connected with one end of a cylinder head connecting rod 5, the other end of the cylinder head connecting rod 5 is rotatably connected with the top end of an auxiliary piston rod 7 through a pin, the bottom end of the auxiliary piston rod 7 is slidably mounted in the auxiliary cylinder barrel 8, the bottom end of the auxiliary cylinder barrel 8 is rotatably connected with one end of a bottom lug connecting rod 6 through a pin, the other end of the bottom lug connecting rod 6 is fixedly connected with the outer wall of a bottom lug 4, the cylinder head connecting rod 5, the auxiliary piston rod 7, the auxiliary cylinder barrel 8 and the bottom lug connecting rod 6 are divided into two groups which are symmetrically fixed on two sides of the piston rod 2, the suspension device is different from a common oil cylinder suspension device which only has one piston rod 2 and is provided with two other auxiliary piston rods 7, under different conditions, the auxiliary piston rods 7 can play a role in balancing moment, the service life of the piston rods 2 is prolonged, when in use, the bottom lugs 4 are fixed on a using instrument, and the auxiliary piston rods 7 on the left side and the right side perform piston motion through the auxiliary cylinder barrel 8, the cylinder head connecting rod 5 is rotatably connected with the auxiliary piston rod 7 through a pin, the auxiliary cylinder barrel 8 is rotatably connected with the bottom lug connecting rod 6 through a pin, so that the auxiliary piston rod 7 and the auxiliary cylinder barrel 8 can play a role in balancing the piston rod 2 in an inclined state, and the auxiliary dust ring 12 and the auxiliary piston rod main seal 13 can ensure that the auxiliary piston rod 7 is not invaded by foreign matters during working.

3 inner wall fixedly connected with dust ring 9 of cylinder, the main seal 10 of the fixedly connected with piston rod in dust ring 9 bottom, the main seal 10 fixed connection of piston rod is at 3 inner walls of cylinder, dust ring 9 is located the main seal 10 tops of piston rod, the main seal 10 bottom fixedly connected with cup of piston rod is quick-witted 11, cup quick-witted 11 fixed connection is at 3 inner walls of cylinder, dust ring 9 and the main seal 10 of piston rod can be isolated with the outer greasy dirt of piston rod 2, cause the cylinder body wearing and tearing in avoiding getting into cylinder 3, cup quick-witted 11's use can play the effect of buffering under the circumstances of proof strength.

The inside fixedly connected with cushion collar 14 of cylinder 3, the antifouling ring of 3 inside fixedly connected with 15 of cylinder, 2 bottom outer wall swivelling joints of piston rod have nut 16, cushion collar 14, antifouling ring 15 plays the guard action at 2 during operations of piston rod, prevents that the too big damage of vibrations when 2 do work of piston rod from, and nut 16 plays the effect of fixed whole piston rod 2.

The outer wall of the cylinder barrel 3 is provided with an oil inlet and an oil outlet, when the oil inlet is filled with oil in the cylinder, the piston rod 2 does work back and forth in the cylinder barrel 3, oil in the cylinder barrel 3 enters the auxiliary cylinder barrel 8 through an oil conveying pipe in the bottom lug connecting rod 6, and the auxiliary piston rod 7 is driven to do work together and balance the moment of the piston rod 2.

According to the preferred embodiment provided by the utility model, when the oil cylinder needs to be used, the bottom lug 4 is fixed on a using instrument, oil is filled into the cylinder barrel 3 through the oil inlet, oil enters the auxiliary cylinder barrel 8 through the bottom lug connecting rod 6, the cylinder head 1 is pulled, the piston rod 2 and the auxiliary piston rod 7 do work, the oil is pressed into the oil outlet and discharged, the oil is filled into the cylinder barrel 3 through the oil inlet, and the circular work is done.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a but hydro-cylinder linkage of height compensation, includes cylinder head (1), cylinder (3) and end ear (4), its characterized in that: the bottom of the cylinder head (1) is fixedly connected with a piston rod (2), the bottom of the piston rod (2) is slidably installed in a cylinder barrel (3), and the bottom of the cylinder barrel (3) is fixedly connected with a bottom lug (4); piston rod (2) top side and cylinder head connecting rod (5) one end fixed connection, the cylinder head connecting rod (5) other end is connected with auxiliary piston rod (7) top through the pin rotation, auxiliary piston rod (7) bottom slidable mounting is in auxiliary cylinder (8), auxiliary cylinder (8) bottom is connected with end ear connecting rod (6) one end rotation through the pin, end ear connecting rod (6) other end fixed connection is in end ear (4) outer wall, cylinder head connecting rod (5), auxiliary piston rod (7), auxiliary cylinder (8) and end ear connecting rod (6) have two sets ofly, the symmetry is fixed in piston rod (2) both sides.

2. The height-compensated cylinder suspension of claim 1, wherein: the inner wall of the cylinder barrel (3) is fixedly connected with a dustproof ring (9), the bottom of the dustproof ring (9) is fixedly connected with a piston rod main seal (10), the piston rod main seal (10) is fixedly connected to the inner wall of the cylinder barrel (3), the dustproof ring (9) is located at the top of the piston rod main seal (10), the bottom of the piston rod main seal (10) is fixedly connected with a cup (11), and the cup (11) is fixedly connected to the inner wall of the cylinder barrel (3).

3. The height-compensated cylinder suspension of claim 2, wherein: the auxiliary cylinder barrel (8) is fixedly connected with an auxiliary dust ring (12) inside, the bottom of the auxiliary dust ring (12) is fixedly connected with an auxiliary piston rod main seal (13), and the auxiliary piston rod main seal (13) is fixedly connected inside the auxiliary cylinder barrel (8).

4. The height-compensated cylinder suspension of claim 1, wherein: the inner portion of the cylinder barrel (3) is fixedly connected with a buffer sleeve (14), the bottom of the buffer sleeve (14) is fixedly connected with an antifouling ring (15), and the antifouling ring (15) is fixedly connected inside the cylinder barrel (3).

5. The height-compensated cylinder suspension of claim 1, wherein: the outer wall of the bottom of the piston rod (2) is in threaded connection with a nut (16).

6. The height-compensated cylinder suspension of claim 1, wherein: the piston (17) and the piston main seal are fixedly connected inside the cylinder barrel (3), and the piston (17) and the piston main seal are fixedly connected to the outer wall of the nut (16).