阅读说明：本技术 一种桩工机械油缸锁紧装置 (Locking device for oil cylinder of piling machinery ) 是由 陈控 于 2019-11-02 设计创作，主要内容包括：本发明涉及锁紧装置器械技术领域,具体为一种桩工机械油缸锁紧装置,包括油缸和锁紧装置,电磁铁油缸顶部设置有密封盖,电磁铁油缸外壁连通设置有出油口,电磁铁油缸内腔分成油腔和固定腔两个空间,电磁铁油腔内滑动设置有活塞,电磁铁活塞顶部开设有卡槽,电磁铁活塞内腔开设有转动腔,电磁铁转动腔内腔转动设置有锁紧装置,电磁铁活塞底部中心处固定连接伸缩杆,电磁铁伸缩杆底部固定连接推手,电磁铁伸缩杆外壁套接有密封块,电磁铁密封块侧面嵌设有永磁块,电磁铁油缸底部嵌设有电磁铁,油缸外壁嵌设有电池腔,电磁铁电池腔位于电磁铁电磁铁顶部,本发明结构简单可以对油缸进行双重锁紧。(The invention relates to the technical field of locking device instruments, in particular to a piling machinery oil cylinder locking device which comprises an oil cylinder and a locking device, wherein a sealing cover is arranged at the top of an electromagnet oil cylinder, an oil outlet is formed in the outer wall of the electromagnet oil cylinder in a communication mode, an inner cavity of the electromagnet oil cylinder is divided into two spaces, namely an oil cavity and a fixed cavity, a piston is arranged in the oil cavity of the electromagnet in a sliding mode, a clamping groove is formed in the top of the electromagnet piston, a rotating cavity is formed in the inner cavity of the electromagnet piston, the inner cavity of the rotating cavity of the electromagnet is rotatably provided with the locking device, a telescopic rod is fixedly connected to the center of the bottom of the electromagnet piston, a pushing handle is fixedly connected to the bottom of the telescopic rod of the electromagnet, a sealing block is sleeved on the outer wall of the telescopic.)

1. The utility model provides a piling machinery hydro-cylinder locking device, include hydro-cylinder (1) and hydro-cylinder (1) top is rotated locking device (4) that set up, its characterized in that: the oil cylinder is characterized in that a sealing cover (14) is arranged at the top of the oil cylinder (1), an oil outlet (13) is communicated with the outer wall of the oil cylinder (1), the inner cavity of the oil cylinder (1) is divided into two spaces, namely an oil cavity (11) and a fixed cavity (12), a piston (2) is arranged in the oil cavity (11) in a sliding manner, a clamping groove (21) is formed in the top of the piston (2), a rotating cavity (22) is formed in the inner cavity of the piston (2), a locking device (4) is arranged in the rotating cavity (22) in a rotating manner, a telescopic rod (3) is fixedly connected to the center of the bottom of the piston (2), a pushing handle (30) is fixedly connected to the bottom of the telescopic rod (3), a sealing block (31) is sleeved on the outer wall of the telescopic rod (3), a permanent magnet (32) is embedded in the side face of, the battery cavity (16) is positioned at the top of the electromagnet (15).

2. The locking device of the piling machinery oil cylinder according to claim 1, characterized in that: locking device (4) include turning block (41), turning block (41) bottom center fixed connection dwang (42), dwang (42) bottom fixed connection fixture block (43).

3. The locking device of the piling machinery oil cylinder according to claim 2, characterized in that: the clamping block (43) is matched with the section of the clamping groove (21), the clamping block (43) is matched with the rotating cavity (22), the rotating block (41) is located on the outer side of the sealing cover (14), and the rotating rod (42) extends into the sealing cover (14).

4. The locking device of the piling machinery oil cylinder according to claim 1, characterized in that: the front end of the sealing block (31) is matched with the fixed cavity (12), the rear end of the sealing block (31) is tightly attached to the bottom of the oil cylinder (1), and the outer wall of the front end of the sealing block (31) is tightly attached to the inner wall of the fixed cavity (12).

5. The locking device of the piling machinery oil cylinder according to claim 4, characterized in that: the permanent magnet (32) is provided with at least two, the electromagnet (15) is provided with at least two, the permanent magnet (32) is matched with the electromagnet (15) in a magnetic manner, and the permanent magnet (32) is tightly attached to the electromagnet (15).

6. The locking device of the piling machinery oil cylinder according to claim 5, characterized in that: and a storage battery is arranged in the battery cavity (16), and the storage battery provides electric quantity for the electromagnet (15).

Technical Field

The invention relates to the technical field of locking device instruments, in particular to a locking device for a piling machinery oil cylinder.

Background

The oil cylinder is commonly used for lifting or overturning equipment, in equipment application, the oil cylinder is often required to be reliably locked at any output working position and fixed at a position for a long time, the existing locking mode is ensured by various hydraulic locking loops, the locking device on the market at present is complex in structure and unstable in oil cylinder locking, and the oil cylinder can shake due to air pressure change to influence use.

Disclosure of Invention

The invention aims to provide a locking device for a piling machinery oil cylinder, which aims to solve the problems that the common locking device in the background technology is complex in structure and cannot be locked completely.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a piling machinery oil cylinder locking device, include the hydro-cylinder with the locking device that the hydro-cylinder top rotated the setting, the hydro-cylinder top is provided with sealed lid, hydro-cylinder outer wall intercommunication is provided with the oil-out, the hydro-cylinder inner chamber falls into two spaces in oil pocket and fixed chamber, it is provided with the piston to slide in the oil pocket, the draw-in groove has been seted up at the piston top, the piston inner chamber has been seted up and has been rotated the chamber, it is provided with locking device to rotate the chamber inner chamber rotation, piston bottom center department fixed connection telescopic link, telescopic link bottom fixed connection pushing hands, the telescopic link outer wall has cup jointed sealed piece, sealed piece side inlays and is equipped with the permanent magnetism piece, the hydro-cylinder bottom is inlayed and is.

Preferably, the locking device comprises a rotating block, the center of the bottom of the rotating block is fixedly connected with a rotating rod, and the bottom of the rotating rod is fixedly connected with a clamping block.

Preferably, the clamping block is matched with the section of the clamping groove, the clamping block is matched with the rotating cavity, the rotating block is located on the outer side of the sealing cover, and the rotating rod extends into the sealing cover.

Preferably, the front end of the sealing block is matched with the fixed cavity, the rear end of the sealing block is tightly attached to the bottom of the oil cylinder, and the outer wall of the front end of the sealing block is tightly attached to the inner wall of the fixed cavity.

Preferably, the number of the permanent magnets is at least two, the number of the electromagnets is at least two, the permanent magnets and the electromagnets are in magnetic fit, and the permanent magnets and the electromagnets are tightly attached.

Preferably, a storage battery is arranged in the battery cavity, and the storage battery supplies electricity to the electromagnet preferably.

Compared with the prior art, the invention has the beneficial effects that:

1. this piling machinery oil cylinder locking device, through fixture block and draw-in groove cross-section looks adaptation, fixture block and rotation chamber looks adaptation for make the fixture block joint fix in rotating the intracavity through the turning block, make the piston fixed, thereby the hydro-cylinder is reliably locked in arbitrary output operating position.

2. This natural gas line waterproof thermal insulation layer mutually supports through setting up electro-magnet and permanent magnetism piece for sealed piece can be fixed in fixed intracavity, avoids the telescopic link to rock, further locks the hydro-cylinder moreover.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention.

Fig. 2 is a top cross-sectional view of the overall structure of the present invention.

FIG. 3 is a partial view of the structure at position A of the present invention.

Fig. 4 is a side sectional view of the piston structure of the present invention.

Fig. 5 is an assembly view of the overall structure of the present invention.

In the figure: 1. an oil cylinder; 11. an oil chamber; 12. a fixed cavity; 13. an oil outlet; 14. a sealing cover; 15. an electromagnet; 16. a battery cavity; 2. a piston; 21. a card slot; 22. a rotation chamber; 3. a telescopic rod; 30. a pushing handle; 31. a sealing block; 32. permanent magnet blocks; 4. a locking device; 41. rotating the block; 42. rotating the rod; 43. and (7) clamping blocks.

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 is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.