A hydraulic cylinder with anti-vibration structure

Abstract

A hydraulic cylinder with an anti-vibration structure. The utility model relates to the technical field of hydraulic cylinder structures. The cylinder body is fixedly arranged on a base, the shaft body is inserted in the cylinder body, there are two supporting slide rails that are symmetrically arranged on both sides of the cylinder body, the supporting slide rails are fixedly arranged on the base, the supporting seat is slidably mounted on the supporting slide rails, the supporting arm is rotated on the supporting seat through a rotating shaft, the holding shoe is rotated on the support arm through a rotating shaft at one end away from the supporting seat, and the holding shoe is arranged in coordination with the shaft body; by arranging a supporting structure for the shaft body, the shaft body is supported at the maximum stroke and the minimum stroke of the shaft body movement, thereby ensuring the stability of the end shaft of the shaft body, thereby enhancing the anti-vibration stability of the hydraulic cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil cylinder structures, in particular to a hydraulic oil cylinder with an anti-vibration structure. Background Art

[0002] A hydraulic cylinder is a structure used in a linear stroke system to provide linear drive and radial support. In structures that are usually driven and supported by hydraulic cylinders, the hydraulic cylinder has poor lateral vibration resistance, especially when the hydraulic cylinder has a large stroke span. The vibration resistance of the shaft end is extremely poor, which will cause great wear of the connecting structure between the shaft end and the supporting structure during use, thereby shortening the actual service life of the hydraulic cylinder. Therefore, it is necessary to enhance the vibration resistance of this type of hydraulic cylinder. Utility Model Content

[0003] The purpose of the utility model is to address the defects and shortcomings of the prior art and provide a hydraulic cylinder with an anti-vibration structure, which supports the shaft body at the maximum and minimum strokes of the shaft body movement by setting a supporting structure for the shaft body, thereby ensuring the stability of the end axis of the shaft body, thereby enhancing the anti-vibration stability of the hydraulic cylinder.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It comprises a base, a cylinder body and a shaft body, wherein the cylinder body is fixedly arranged on the base, and the shaft body is inserted into the cylinder body. It also comprises:

[0006] Support rails, wherein the support rails are two and symmetrically arranged on both sides of the cylinder body, and the support rails are fixedly arranged on the base;

[0007] A support seat, wherein the support seat is slidably mounted on the support rail;

[0008] A support arm, wherein the support arm is rotatably mounted on the support seat via a rotating shaft;

[0009] The holding shoe is rotatably mounted on the support arm at one end away from the support seat through a rotating shaft, and the holding shoe is matched with the shaft body.

[0010] Preferably, two limiting rings are fixedly provided on the ring of the shaft body, and the shoe clamp is arranged between the two limiting rings.

[0011] Preferably, a lower connecting rod is rotatably provided on the support arm via a rotating shaft, a lower hook is provided on the movable end of the lower connecting rod, and two lower connecting rods are respectively rotatably provided on the two ends of the lower hook via the rotating shaft, a hanging rod is fixedly provided on the upper end of the side wall of the cylinder body, and the hook and the hanging rod are arranged in coordination.

[0012] Preferably, an upper connecting rod is rotated on the support arm through a rotating shaft, and the upper connecting rod is arranged above the lower connecting rod, and an upper hook is arranged above the hanging rod, and the movable ends of the two upper connecting rods are respectively rotated on the two ends of the upper hook through the rotating shaft, and the upper hook is arranged in coordination with the hanging rod.

[0013] Preferably, a spring telescopic rod is rotatably provided on the support seat via a rotating shaft, and an axial end of the spring telescopic rod is rotatably provided on the holding shoe via the rotating shaft.

[0014] Preferably, a limit cable is provided between the two support arms, and both ends of the limit cable are respectively fixed on the support arms on both sides.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By setting a support structure for the shaft body, the shaft body is supported at the maximum and minimum strokes of the shaft body movement, thereby ensuring the stability of the shaft end, thereby enhancing the vibration stability of the hydraulic cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 yes Figure 1 Schematic diagram of the upper left structure.

[0019] Figure 3 yes Figure 1 Schematic diagram of the lower left structure.

[0020] Figure 4 It is a structural schematic diagram of the utility model in which the shaft body is received into the cylinder body.

[0021] Description of reference numerals:

[0022] Base 1, cylinder body 2, shaft body 3, supporting slide rail 4, supporting seat 5, supporting arm 6, holding tile 7, limiting ring 8, lower connecting rod 9, lower hook 10, hanging rod 11, upper connecting rod 12, upper hook 13, spring telescopic rod 14, limiting cable 15. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] like Figure 1-4As shown, this embodiment includes a base 1, a cylinder body 2, and a shaft body 3, wherein the cylinder body 2 is fixedly arranged on the base 1, and the shaft body 3 is inserted into the cylinder body 2. It also includes:

[0026] Support rails 4, wherein the support rails 4 are two and symmetrically arranged on both sides of the cylinder body 2, and the support rails 4 are fixedly arranged on the base 1;

[0027] A support seat 5, wherein the support seat 5 is slidably mounted on the support rail 4;

[0028] A support arm 6, wherein the support arm 6 is rotatably mounted on the support base 5 via a rotating shaft;

[0029] The bearing shoe 7 is rotatably mounted on the support arm 6 at one end away from the support seat 5 through a rotating shaft, and the bearing shoe 7 is matched with the shaft body 3;

[0030] Limiting rings 8, there are two limiting rings 8 and both are fixedly arranged on the shaft body 3, and the bearing bush 7 is arranged between the upper and lower limiting rings 8;

[0031] A lower connecting rod 9, wherein the lower connecting rod 9 is rotatably mounted on the supporting arm 6 via a rotating shaft;

[0032] The lower hook 10, the movable ends of the left and right lower connecting rods 9 are respectively rotated at the two ends of the lower hook 10 through the rotating shaft;

[0033] A hanging rod 11, wherein the hanging rod 11 is fixedly arranged on the outer wall of the cylinder body 2, and the lower hook 10 is movably hung on the hanging rod 11;

[0034] An upper connecting rod 12, wherein the upper connecting rod 12 is rotatably mounted on the support arm 6 via a rotating shaft, and the upper connecting rod 12 is disposed above the lower connecting rod 9;

[0035] The upper hook 13, the movable ends of the left and right upper connecting rods 12 are respectively rotated at the two ends of the upper hook 13 through the rotating shaft, and the upper hook 13 is matched with the hanging rod 11;

[0036] A limit cable 15, wherein the limit cable 15 is arranged between the support arms 6 on the left and right sides, and both ends of the limit cable 15 are fixedly arranged on the support arms 6 on the left and right sides respectively;

[0037] The spring telescopic rod 14 is rotatably mounted on the support seat 5 via a rotating shaft, and the shaft end of the spring telescopic rod 14 is rotatably mounted on the holding shoe 7 via a rotating shaft.

[0038] After adopting the technical solution disclosed in the utility model, it can achieve:

[0039] When the support rail 4 is lifted up, the support bracket 5 is moved upward, and the support bracket 5 is moved upward on the support rail 4 by the support arm 6, until the support arm 6 drives the lower hook 10 to hook the scraper plate through the lower connecting rod 9. Then, as the support rail 4 continues to rise, the support rail 4 pushes the support bracket 5 to move upward, and the support bracket 5 is moved upward on the support rail 4 by the support arm 6.

[0040] Similarly, when the shaft body 3 descends to the shortest stroke, the upper hook 13 hooks the hanging rod 11, locking the trend of the shaft body 3 to continue to descend, and the holding shoe 7 is tightly held, thereby supporting the shaft body 3 through the support arm 6.

[0041] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0042] The device is provided with supporting rails 4 and supporting seats 5 on both sides of the cylinder body 2, and a holding shoe 7 is provided on the supporting seat 5 through a supporting arm 6, and a limiting cable 15 is provided to limit the opening angle of the supporting arm 6, and a holding shoe 7 is provided on the supporting arm 6 to dock with the shaft body 3, and a limiting ring 8 is provided on the shaft body 3 to drive the holding shoe 7 to move and drive the support arm 6 and the supporting seat 5 to move, so that when the shaft body 3 moves to the longest stroke or the shortest stroke, the holding shoe 7 is clamped, so that the support arm 6 is supported between the supporting rail 4 and the shaft body 3, and the shaft body 3 is laterally strengthened to support, so as to ensure the stability and vibration prevention of the shaft body 3 and the cylinder body 2.

[0043] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A hydraulic cylinder with an anti-vibration structure, comprising a base (1), a cylinder body (2), and a shaft body (3), wherein the cylinder body (2) is fixedly arranged on the base (1), and the shaft body (3) is inserted into the cylinder body (2); characterized in that: It also contains: Support rails (4), wherein the support rails (4) are two and symmetrically arranged on both sides of the cylinder body (2), and the support rails (4) are fixedly arranged on the base (1); A support seat (5), wherein the support seat (5) is slidably mounted on the support rail (4); A support arm (6), wherein the support arm (6) is rotatably mounted on the support seat (5) via a rotating shaft; The holding shoe (7) is rotatably mounted on the end of the support arm (6) away from the support seat (5) through a rotating shaft, and the holding shoe (7) is matched with the shaft body (3).

2. The hydraulic cylinder with an anti-vibration structure according to claim 1, characterized in that: Two limiting rings (8) are fixedly arranged on the ring of the shaft body (3), and the bushing (7) is clamped between the two limiting rings (8).

3. The hydraulic cylinder with an anti-vibration structure according to claim 2, characterized in that: A lower connecting rod (9) is rotatably mounted on the support arm (6) via a rotating shaft, a lower hook (10) is mounted on the movable end of the lower connecting rod (9), and two lower connecting rods (9) are respectively rotatably mounted on the two ends of the lower hook (10) via the rotating shaft, a hanging rod (11) is fixedly mounted on the upper end of the side wall of the cylinder body (2), and the hook and the hanging rod (11) are matched.

4. The hydraulic cylinder with an anti-vibration structure according to claim 3, characterized in that: An upper connecting rod (12) is rotatably mounted on the support arm (6) via a rotating shaft, and the upper connecting rod (12) is arranged above the lower connecting rod (9). An upper hook (13) is arranged above the hanging rod (11), and the movable ends of the two upper connecting rods (12) are respectively rotatably mounted on the two ends of the upper hook (13) via a rotating shaft, and the upper hook (13) is arranged in coordination with the hanging rod (11).

5. The hydraulic cylinder with an anti-vibration structure according to claim 4, characterized in that: A spring telescopic rod (14) is rotatably mounted on the support seat (5) via a rotating shaft, and an axial end of the spring telescopic rod (14) is rotatably mounted on the bearing bush (7) via the rotating shaft.

6. The hydraulic cylinder with an anti-vibration structure according to claim 5, characterized in that: A limit cable (15) is arranged between the two support arms (6), and two ends of the limit cable (15) are respectively fixedly arranged on the support arms (6) on both sides.

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