Hydraulic cylinder locking assembly

Abstract

The utility model discloses a hydraulic cylinder locking assembly, comprising a hydraulic cylinder body, wherein the outer side of the output end of the hydraulic cylinder body is movably connected with a clamping pad, wherein a plurality of the clamping pads are symmetrically arranged, wherein one side of the clamping pad is fixedly connected with a first fixing block, and one side of the first fixing block is fixedly connected with a second fixing block. When in use, when the user uses the hydraulic cylinder, half of the hydraulic cylinder locking assembly is sleeved on the telescopic rod of the hydraulic cylinder to make the clamping pad close to the upper and lower ends of the telescopic rod of the hydraulic cylinder. The clamping pad is made of a flexible material to effectively prevent the output end of the hydraulic cylinder body from being worn during the clamping and limiting process. The upper and lower ends of the two fastening assemblies are fixed by bolts, and then the rotating block is held to rotate and adjust the length of the screw to fit the telescopic length of the output end of the hydraulic cylinder, thereby effectively clamping and limiting the hydraulic telescopic rod, and preventing the hydraulic telescopic rod from retracting due to long-term use of the hydraulic cylinder.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic cylinders, and in particular relates to a hydraulic cylinder locking component. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the motion is smooth. Therefore, it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device depend on the specific application occasion, and other devices are indispensable. The structural forms of hydraulic cylinders are various, and there are also various classification methods: according to the movement mode, it can be divided into linear reciprocating motion type and rotary swing type, according to the liquid pressure, it can be divided into single-acting type and double-acting type, according to the structural form, it can be divided into piston type, plunger type, multi-stage telescopic sleeve type, gear rack type, etc.; according to the installation form, it can be divided into tie rods, earrings, base feet, hinge shafts, etc.; according to the pressure level, it can be divided into 16Mpa, 25Mpa, 31.5Mpa, etc.

[0003] Some existing hydraulic cylinders lack a limit locking structure, which may cause the telescopic rod of the hydraulic cylinder to retract after long-term use, making it inconvenient to fix the output end of the hydraulic cylinder. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a hydraulic cylinder locking assembly to solve the problem that some existing hydraulic cylinders proposed in the above background technology lack a limit locking structure, which may cause the telescopic rod of the hydraulic cylinder to retract when the hydraulic cylinder is used for a long time, making it inconvenient to fix the telescopic rod of the hydraulic cylinder.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cylinder locking assembly, comprising a hydraulic cylinder body, a clamping pad is movably connected to the outer side of the output end of the hydraulic cylinder body, and the clamping pads are symmetrically arranged in a plurality, one side of the clamping pad is fixedly connected to a first fixing block, one side of the first fixing block is fixedly connected to a second fixing block, four second fixing blocks are symmetrically arranged up and down, the top of the second fixing block below is fixedly connected to a column, the inner side of the column is threadedly connected to a screw, the outer side of the screw is fixedly connected to a fixing ring, the outer side of the top of the screw is fixedly connected to a bearing, the top of the bearing is fixedly connected to the second fixing block above, one side of the first fixing block is fixedly connected to a third fixing block, and the third fixing blocks are symmetrically arranged, and the inner side of the third fixing block is threadedly connected to a bolt.

[0006] Preferably, the clamping pad and the first fixing block are both arc-shaped structures, the first fixing block is fixedly connected to the outer side of the clamping pad, and the second fixing block is fixedly connected to one side of the first fixing block.

[0007] Preferably, one side of the fixed ring is fixedly connected with a rotating block, a plurality of rotating blocks are symmetrically arranged, and the inner side of the fixed ring is fixedly connected with a screw.

[0008] Preferably, the outer side of the screw is movably connected with a spring, the outer side of the bottom end of the screw is threadedly connected with a column, the bottom of the column is fixedly connected with a second fixing block, and the outer side of one end of the screw is fixedly connected with a fixing ring.

[0009] Preferably, a fixing plate is fixedly connected to one side of the bottom of the column, the fixing plate is a triangular structure, and a second fixing block is fixedly connected to the bottom of the fixing plate.

[0010] Preferably, the clamping pads are all made of flexible material, one side of the clamping pads is fixedly connected to a first fixing block, and one side of the first fixing block is fixedly connected to a second fixing block.

[0011] Preferably, a gasket is movably connected to the outer side of one end of the bolt, a third fixing block is threadedly connected to the outer side of the gasket, and one side of the third fixing block is fixedly connected to the first fixing block.

[0012] Preferably, the outer surfaces of the screw rod and the bolt are provided with an anti-oxidation coating.

[0013] Compared with the prior art, the utility model provides a hydraulic cylinder locking assembly, which has the following beneficial effects:

[0014] 1. The utility model sets a screw rod, the outer side of the screw rod is threadedly connected with a column, the bottom of the column is fixedly connected to the second fixing block below, the outer side of the top of the screw rod is fixedly connected to a bearing, and the top of the bearing is fixedly connected to the second fixing block above. When the user uses the hydraulic cylinder, half of the hydraulic cylinder locking assembly is sleeved on the telescopic rod of the hydraulic cylinder, so that the clamping pad is closely attached to the upper and lower ends of the telescopic rod of the hydraulic cylinder, the upper and lower ends of the two fastening assemblies are fixed by bolts, and then the rotating block is held to rotate the adjusting screw rod, so as to effectively clamp and limit the hydraulic telescopic rod, and prevent the hydraulic cylinder from being used for a long time and causing the hydraulic telescopic rod to retract;

[0015] 2. The utility model provides a spring, and a screw is movably connected to the inner side of the spring, which can effectively reduce the looseness of the screw during long-term use;

[0016] 3. The utility model provides a rotating block, one side of which is fixedly connected with a fixing ring, which effectively facilitates personnel to directly pinch and rotate the screw.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the axonometric structure of a hydraulic cylinder locking assembly proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the axonometric structure of a tightening assembly of a hydraulic cylinder locking assembly proposed by the utility model;

[0021] Figure 3 This is a side structural schematic diagram of a hydraulic cylinder locking assembly proposed by the utility model;

[0022] Figure 4 It is a side structural schematic diagram of a tightening assembly of a hydraulic cylinder locking assembly proposed by the utility model;

[0023] In the figure: hydraulic cylinder body 1, clamping pad 2, first fixed block 3, second fixed block 4, column 5, screw 6, fixed ring 7, bearing 8, spring 9, rotating block 10, fixed plate 11, third fixed block 12, bolt 13, gasket 14. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a technical solution: a hydraulic cylinder locking assembly, including a hydraulic cylinder body 1, a clamping pad 2 is movably connected to the outer side of the output end of the hydraulic cylinder body 1, and a plurality of clamping pads 2 are symmetrically arranged, one side of the clamping pad 2 is fixedly connected to a first fixing block 3, one side of the first fixing block 3 is fixedly connected to a second fixing block 4, four second fixing blocks 4 are symmetrically arranged up and down, and the top of the second fixing block 4 at the bottom is fixedly connected to a column 5, the inner side of the column 5 is threadedly connected to a screw rod 6, the outer side of the screw rod 6 is fixedly connected to a fixing ring 7, the outer side of the top of the screw rod 6 is fixedly connected to a bearing 8, and the top of the bearing 8 is fixed It is fixedly connected with a second fixing block 4 above, and one side of the first fixing block 3 is fixedly connected with a third fixing block 12. A plurality of third fixing blocks 12 are symmetrically arranged, and the inner sides of the third fixing blocks 12 are threadedly connected with bolts 13. When the user uses the hydraulic cylinder, half of the hydraulic cylinder locking assembly is sleeved on the telescopic rod of the hydraulic cylinder, so that the clamping pad 2 is close to the upper and lower ends of the telescopic rod of the hydraulic cylinder, and the upper and lower ends of the two fastening assemblies are fixed by the bolts 13, and then the rotating block 10 is held to rotate the adjusting screw 6, so as to effectively clamp and limit the hydraulic telescopic rod, and prevent the hydraulic telescopic rod from retracting due to long-term use of the hydraulic cylinder.

[0026] In the utility model, preferably, the clamping pad 2 and the first fixed block 3 are both arc-shaped structures, the first fixed block 3 is fixedly connected to the outer side of the clamping pad 2, and the second fixed block 4 is fixedly connected to one side of the first fixed block 3, which can effectively fit the outer wall of the output end of the hydraulic cylinder body 1.

[0027] In the utility model, preferably, one side of the fixed ring 7 is fixedly connected with a rotating block 10, and a plurality of rotating blocks 10 are symmetrically arranged, and the inner side of the fixed ring 7 is fixedly connected with a screw rod 6, which effectively facilitates personnel to directly pinch and rotate the screw rod 6.

[0028] In the utility model, preferably, the outer side of the screw rod 6 is movably connected with a spring 9, the outer side of the bottom end of the screw rod 6 is threadedly connected with a column 5, the bottom of the column 5 is fixedly connected with a second fixed block 4, and the outer side of one end of the screw rod 6 is fixedly connected with a fixing ring 7, which can effectively reduce the looseness of the screw rod 6 during long-term use.

[0029] In the utility model, preferably, a fixing plate 11 is fixedly connected to one side of the bottom of the column 5, the fixing plate 11 is a triangular structure, and a second fixing block 4 is fixedly connected to the bottom of the fixing plate 11, which can effectively improve the stability of the column 5 during long-term use.

[0030] In the utility model, preferably, the clamping pads 2 are all made of flexible material, one side of the clamping pads 2 is fixedly connected to the first fixing block 3, and one side of the first fixing block 3 is fixedly connected to the second fixing block 4, which can effectively reduce the degree of wear on the output end of the hydraulic cylinder body 1 during the clamping and limiting process.

[0031] In the utility model, preferably, a gasket 14 is movably connected to the outer side of one end of the bolt 13, a third fixing block 12 is threadedly connected to the outer side of the gasket 14, and one side of the third fixing block 12 is fixedly connected to the first fixing block 3, which effectively reduces the loosening amplitude of the bolt 13 during long-term use.

[0032] In the present invention, preferably, the outer surfaces of the screw rod 6 and the bolt 13 are both provided with an anti-oxidation coating.

[0033] The working principle and use process of the utility model are as follows: when using the hydraulic cylinder, the user puts half of the hydraulic cylinder locking assembly onto the telescopic rod of the hydraulic cylinder, so that the clamping pad 2 is tightly attached to the upper and lower ends of the telescopic rod of the hydraulic cylinder. The clamping pad 2 is made of a flexible material, which effectively prevents the output end of the hydraulic cylinder body 1 from being worn during the clamping and limiting process. The upper and lower ends of the two fastening assemblies are fixed by bolts 13, and then the rotating block 10 is held and rotated to adjust the length of the screw 6, so as to fit the telescopic length of the output end of the hydraulic cylinder, and effectively clamp and limit the hydraulic telescopic rod, preventing the hydraulic telescopic rod from retracting due to long-term use of the hydraulic cylinder.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder locking assembly, comprising a hydraulic cylinder body (1), characterized in that: The outer side of the output end of the hydraulic cylinder body (1) is movably connected to a clamping pad (2), and a plurality of the clamping pads (2) are symmetrically arranged. A first fixing block (3) is fixedly connected to one side of the clamping pad (2), and a second fixing block (4) is fixedly connected to one side of the first fixing block (3). Four second fixing blocks (4) are symmetrically arranged from top to bottom. A column (5) is fixedly connected to the top of the second fixing block (4) at the bottom, and a screw rod (6) is threadedly connected to the inner side of the column (5). A fixing ring (7) is fixedly connected to the outer side of the screw rod (6), and a bearing (8) is fixedly connected to the outer side of the top of the screw rod (6). The top of the bearing (8) is fixedly connected to the second fixing block (4) at the top. A third fixing block (12) is fixedly connected to one side of the first fixing block (3), and a plurality of the third fixing blocks (12) are symmetrically arranged. A bolt (13) is threadedly connected to the inner side of the third fixing block (12).

2. A hydraulic cylinder locking assembly according to claim 1, characterized in that: The clamping pad (2) and the first fixing block (3) are both arc-shaped structures; the first fixing block (3) is fixedly connected to the outside of the clamping pad (2); and the second fixing block (4) is fixedly connected to one side of the first fixing block (3).

3. A hydraulic cylinder locking assembly according to claim 1, characterized in that: One side of the fixed ring (7) is fixedly connected to a rotating block (10), a plurality of rotating blocks (10) are symmetrically arranged, and the inner side of the fixed ring (7) is fixedly connected to a screw rod (6).

4. A hydraulic cylinder locking assembly according to claim 1, characterized in that: The outer side of the screw rod (6) is movably connected to a spring (9), the outer side of the bottom end of the screw rod (6) is threadedly connected to a column (5), the bottom of the column (5) is fixedly connected to a second fixed block (4), and the outer side of one end of the screw rod (6) is fixedly connected to a fixing ring (7).

5. The hydraulic cylinder locking assembly according to claim 1, characterized in that: A fixing plate (11) is fixedly connected to one side of the bottom of each of the upright posts (5); the fixing plate (11) is a triangular structure; and a second fixing block (4) is fixedly connected to the bottom of each of the fixing plates (11).

6. A hydraulic cylinder locking assembly according to claim 1, characterized in that: The clamping pads (2) are all made of flexible material, one side of the clamping pads (2) is fixedly connected to a first fixing block (3), and one side of the first fixing block (3) is fixedly connected to a second fixing block (4).

7. The hydraulic cylinder locking assembly according to claim 1, characterized in that: The outer side of one end of the bolt (13) is movably connected to a gasket (14), the outer side of the gasket (14) is threadedly connected to a third fixing block (12), and one side of the third fixing block (12) is fixedly connected to the first fixing block (3).

8. The hydraulic cylinder locking assembly according to claim 1, characterized in that: The outer surfaces of the screw rod (6) and the bolt (13) are both provided with an anti-oxidation coating.

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