Quantitative servo hydraulic cylinder

Abstract

The utility model discloses a quantitative servo hydraulic cylinder, which relates to the technical field of servo hydraulic cylinders and comprises a connecting handle, a connecting disc is fixedly connected to the top end of one side of the connecting handle, a hydraulic loop bar is fixedly mounted at the top end of one side of the connecting disc, and a connector is fixedly mounted at the top end of one side of the hydraulic loop bar. The surface of the top end of one side of the connector is fixedly connected with a limiting disc, the top end of one side of the limiting disc is fixedly provided with a protection plate, the top end of one side of the connecting disc is detachably provided with a fixed connecting rod, and the top end of one side of the connector is fixedly connected with a movable sleeve rod. A connecting handle is arranged to be directly connected and installed in a buckled mode, a pushing disc is pushed to achieve the high-pressure pushing effect by means of the pushing effect of a connecting disc on a telescopic hydraulic rod in a movable sleeve rod, a fixed connecting rod is limited by a limiting disc, and the same-direction pushing effect is achieved by means of the fixed connecting rod and the telescopic hydraulic rod; and the accuracy of the pushing direction is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of servo hydraulic cylinders, in particular to a quantitative servo hydraulic cylinder. Background Art

[0002] At present, the well-known servo hydraulic cylinder has flanges at both ends of the cylinder barrel, the flanges are welded to the cylinder barrel, the front and rear covers are bolted to the cylinder barrel, the sealing structure on the piston rod is a support ring + Gly ring, and the sealing structure on the guide sleeve is a Y-ring + Step seal + support ring + dust ring structure. The welding structure is prone to deformation of the inner hole of the cylinder barrel, and the support ring has poor wear resistance, which reduces the service life of the hydraulic cylinder. Utility Model Content

[0003] The utility model aims to provide a quantitative servo hydraulic cylinder.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a quantitative servo hydraulic cylinder, comprising a connecting handle, a connecting disk is fixedly connected to the top of one side of the connecting handle, a hydraulic sleeve rod is fixedly installed on the top of one side of the connecting disk, a connecting head is fixedly installed on the top of one side of the hydraulic sleeve rod, a limit disk is fixedly connected to the top surface of one side of the connecting head, a protective plate is fixedly installed on the top of one side of the limit disk, a fixed connecting rod is detachably installed on the top of one side of the connecting disk, and a movable sleeve rod is fixedly connected to the top of one side of the connecting head.

[0005] Preferably, a telescopic hydraulic rod is telescopically connected inside the movable sleeve rod, a push plate is fixedly connected to the top end of one side of the telescopic hydraulic rod, and a buckle groove is provided on the surface of the push plate.

[0006] Preferably, the connection relationship between the fixed connecting rod and the limiting plate is a movable sleeve connection, the top end of the telescopic hydraulic rod away from the pushing plate is located inside the hydraulic sleeve rod, and the connection relationship between the telescopic hydraulic rod and the connecting plate is a contraction connection.

[0007] Preferably, the top end of the fixed connecting rod away from the connecting disk is fixedly connected to the pushing disk.

[0008] Preferably, the pushing plate is made of stainless steel, and the fixed connecting rod and the telescopic hydraulic rod are symmetrically distributed on one side of the pushing plate.

[0009] Preferably, the telescopic directions of the fixed connecting rod and the telescopic hydraulic rod are consistent.

[0010] Preferably, a locking head is fixedly mounted on the top end of one side of the telescopic hydraulic rod, and a locking screw is fixedly mounted on one side of the locking head.

[0011] Preferably, the connection relationship between the locking screw and the telescopic hydraulic rod is a threaded connection, a locking head is provided on the side of the fixed connecting rod close to the pushing disk, and the connection relationship between the locking head and the pushing disk is a movable clamping connection.

[0012] Compared with the related art, the quantitative servo hydraulic cylinder provided by the utility model has the following beneficial effects:

[0013] The utility model provides a quantitative servo hydraulic cylinder, which is directly connected and installed by arranging a connecting handle, utilizes the connecting plate to push the telescopic hydraulic rod inside the movable sleeve rod, thereby pushing the pushing plate to achieve a high-pressure pushing effect, and the limit plate limits the fixed connecting rod. The fixed connecting rod and the telescopic hydraulic rod are used to push in the same direction, thereby improving the accuracy of the pushing direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal cross-sectional view of the device of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall side view structure of the device of the utility model;

[0017] Figure 4 It is a front view structural schematic diagram of the connection disk of the utility model.

[0018] Numbers in the figure: 1. Connecting handle; 2. Connecting plate; 3. Hydraulic sleeve rod; 4. Connecting head; 5. Limiting plate; 6. Protective plate; 7. Fixed connecting rod; 8. Movable sleeve rod; 9. Telescopic hydraulic rod; 10. Pushing plate; 11. Buckle groove; 12. Locking head; 13. Locking screw. DETAILED DESCRIPTION

[0019] Embodiment 1:

[0020] See also Figure 1-4The utility model provides a technical solution: a quantitative servo hydraulic cylinder, including a connecting handle 1, a connecting plate 2 is fixedly connected to the top of one side of the connecting handle 1, a hydraulic sleeve rod 3 is fixedly installed on the top of one side of the connecting plate 2, a connecting head 4 is fixedly installed on the top of one side of the hydraulic sleeve rod 3, a limiting plate 5 is fixedly connected to the top surface of one side of the connecting head 4, a protective plate 6 is fixedly installed on the top of one side of the limiting plate 5, a fixed connecting rod 7 is detachably installed on the top of one side of the connecting plate 2, a movable sleeve rod 8 is fixedly connected to the top of one side of the connecting head 4, a telescopic hydraulic rod 9 is telescopically connected to the inside of the movable sleeve rod 8, a pushing plate 10 is fixedly connected to the top of one side of the telescopic hydraulic rod 9, a buckle groove 11 is provided on the surface of the pushing plate 10, and the connection relationship between the fixed connecting rod 7 and the limiting plate 5 is movably sleeved, The top end of the telescopic hydraulic rod 9 away from the pushing disk 10 is located inside the hydraulic sleeve rod 3, and the connection relationship between the telescopic hydraulic rod 9 and the connecting disk 2 is a contraction connection. The top end of the fixed connecting rod 7 away from the connecting disk 2 is fixedly connected to the pushing disk 10. The pushing disk 10 is made of stainless steel. The fixed connecting rod 7 and the telescopic hydraulic rod 9 are symmetrically distributed on one side of the pushing disk 10. The telescopic directions of the fixed connecting rod 7 and the telescopic hydraulic rod 9 are consistent. A locking head 12 is fixedly installed on the top end of one side of the telescopic hydraulic rod 9, and a locking screw 13 is fixedly installed on one side of the locking head 12. The connection relationship between the locking screw 13 and the telescopic hydraulic rod 9 is a threaded connection. A locking head 12 is provided on the side of the fixed connecting rod 7 close to the pushing disk 10, and the connection relationship between the locking head 12 and the pushing disk 10 is an active card connection.

[0021] In the implementation scheme, a connecting handle 1 is provided for direct snap-on connection and installation, and the connecting plate 2 is utilized to push the telescopic hydraulic rod 9 inside the movable sleeve rod 8, thereby pushing the pushing plate 10 to achieve a high-pressure pushing effect. The limiting plate 5 has a limiting effect on the fixed connecting rod 7, and the fixed connecting rod 7 and the telescopic hydraulic rod 9 are utilized to push in the same direction, thereby improving the accuracy of the pushing direction.

[0022] Working principle:

[0023] By setting a connecting handle 1 for direct snap-on connection and installation, the connecting plate 2 is utilized to push the telescopic hydraulic rod 9 inside the movable sleeve rod 8, thereby pushing the pushing plate 10 to achieve a high-pressure pushing effect. The limiting plate 5 has a limiting effect on the fixed connecting rod 7, and the fixed connecting rod 7 and the telescopic hydraulic rod 9 are utilized to push in the same direction, thereby improving the accuracy of the pushing direction.

Claims

1. A quantitative servo hydraulic cylinder, comprising a connecting handle (1), wherein a connecting plate (2) is fixedly connected to the top end of one side of the connecting handle (1), characterized in that: A hydraulic sleeve rod (3) is fixedly mounted on the top of one side of the connection disk (2), a connecting head (4) is fixedly mounted on the top of one side of the hydraulic sleeve rod (3), a limiting disk (5) is fixedly connected to the top surface of one side of the connecting head (4), a protective plate (6) is fixedly mounted on the top of one side of the limiting disk (5), a fixed connecting rod (7) is detachably mounted on the top of one side of the connection disk (2), and a movable sleeve rod (8) is fixedly connected to the top of one side of the connecting head (4).

2. A quantitative servo hydraulic cylinder according to claim 1, characterized in that: The movable sleeve rod (8) is telescopically connected to a telescopic hydraulic rod (9) inside, and a top end of one side of the telescopic hydraulic rod (9) is fixedly connected to a push plate (10), and a buckle groove (11) is provided on the surface of the push plate (10).

3. A quantitative servo hydraulic cylinder according to claim 2, characterized in that: The connection relationship between the fixed connecting rod (7) and the limiting plate (5) is a flexible sleeve connection, the top end of the telescopic hydraulic rod (9) away from the pushing plate (10) is located inside the hydraulic sleeve rod (3), and the connection relationship between the telescopic hydraulic rod (9) and the connecting plate (2) is a contraction connection.

4. A quantitative servo hydraulic cylinder according to claim 2, characterized in that: The top end of the fixed connecting rod (7) away from the connecting disk (2) is fixedly connected to the pushing disk (10).

5. A quantitative servo hydraulic cylinder according to claim 4, characterized in that: The pushing plate (10) is made of stainless steel, and the fixed connecting rod (7) and the telescopic hydraulic rod (9) are symmetrically distributed on one side of the pushing plate (10).

6. A quantitative servo hydraulic cylinder according to claim 2, characterized in that: The telescopic directions of the fixed connecting rod (7) and the telescopic hydraulic rod (9) are consistent.

7. A quantitative servo hydraulic cylinder according to claim 4, characterized in that: A locking head (12) is fixedly mounted on the top end of one side of the telescopic hydraulic rod (9), and a locking screw (13) is fixedly mounted on one side of the locking head (12).

8. A quantitative servo hydraulic cylinder according to claim 7, characterized in that: The connection relationship between the locking screw (13) and the telescopic hydraulic rod (9) is a threaded connection, and a locking head (12) is provided on the side of the fixed connecting rod (7) close to the pushing plate (10), and the connection relationship between the locking head (12) and the pushing plate (10) is a movable clamping connection.

Images