CN214247846U

CN214247846U - Rotary hydraulic oil cylinder with self-locking structure

Info

Publication number: CN214247846U
Application number: CN202022684349.5U
Authority: CN
Inventors: 耿瑞飞; 张艳成; 刘中洲; 耿继财
Original assignee: Xuzhou Zhongye Hydraulic Technology Co ltd
Current assignee: Xuzhou Zhongye Hydraulic Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-21
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a rotary hydraulic cylinder technical field, and disclose a rotary hydraulic cylinder with auto-lock structure, including the rotary hydraulic cylinder body, the fixed cover of output of rotary hydraulic cylinder body has connect the gear, and the fixedly connected with L shaped plate of rotary hydraulic cylinder body, the through-hole has been seted up to the upper surface of L shaped plate, and the pore wall fixedly connected with electro-magnet of through-hole, the lateral wall fixedly connected with supporting shoe of rotary hydraulic cylinder body, two round holes have been seted up to the upper surface of supporting shoe, and the pore wall swing joint of round hole has the carriage release lever, the common fixedly connected with cardboard in bottom of two carriage release levers. The utility model discloses make rotary hydraulic cylinder have self-locking function, avoid rotary hydraulic cylinder to stop its pivot after rotatory to continue to rotate and take place the incident, improved the fail safe nature of rotary hydraulic cylinder work, also can make rotary hydraulic cylinder's pivot have the function of extension, improved the convenience that rotary hydraulic cylinder installed and used.

Description

Rotary hydraulic oil cylinder with self-locking structure

Technical Field

The utility model relates to a rotary hydraulic cylinder technical field especially relates to a rotary hydraulic cylinder with auto-lock structure.

Background

The hydraulic oil cylinder is an actuating mechanism which converts hydraulic energy into mechanical energy in a hydraulic device to realize linear reciprocating motion, the rotary hydraulic oil cylinder is a closely assembled accessory, hydraulic pressure is applied in a small space to integrate very high torque, and other parts can be driven to rotate through a rotating shaft on the rotary hydraulic oil cylinder.

When the existing rotary hydraulic oil cylinder stops rotating, the rotating shaft of the existing rotary hydraulic oil cylinder is easy to continue rotating due to the fact that the existing rotary hydraulic oil cylinder does not have a self-locking function, and the existing rotary hydraulic oil cylinder has great potential safety hazards and influences the use safety and reliability of the rotary hydraulic oil cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art rotating hydraulic cylinder when stopping rotatoryly, because of it does not have self-locking function, lead to rotating hydraulic cylinder's pivot to continue to rotate easily, have great potential safety hazard, influence rotating hydraulic cylinder and use fail safe nature's problem, and the rotating hydraulic cylinder who has self-locking structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary hydraulic cylinder with a self-locking structure comprises a rotary hydraulic cylinder body, wherein a gear is fixedly sleeved at the output end of the rotary hydraulic cylinder body, an L-shaped plate is fixedly connected with the rotary hydraulic cylinder body, a through hole is formed in the upper surface of the L-shaped plate, an electromagnet is fixedly connected with the hole wall of the through hole, a supporting block is fixedly connected with the side wall of the rotary hydraulic cylinder body, two round holes are formed in the upper surface of the supporting block, moving rods are movably connected with the hole walls of the round holes, clamping plates are fixedly connected with the bottom ends of the two moving rods together, iron blocks are fixedly connected with the top ends of the two moving rods together, springs are movably sleeved on the rod walls of the two moving rods, two ends of each spring are fixedly connected with the lower surface of the supporting block and the upper surface of the clamping plate respectively, a cavity is formed in a rotating shaft of the rotary hydraulic cylinder body, and the extension mechanism is movably connected with the inner wall of the cavity.

Preferably, the extension mechanism comprises a moving block, an extension shaft is fixedly connected to a side wall of the moving block, the side wall of the extension shaft penetrates through a cavity wall of the cavity and extends outwards, and a coupler is fixedly connected to the side wall of the extension shaft.

Preferably, the outer wall of the moving block is fixedly connected with two limiting blocks, and the inner wall of the cavity is provided with two moving grooves matched with the limiting blocks.

Preferably, the lower fixed surface of the rotary hydraulic oil cylinder body is fixedly connected with a fixed plate, the upper fixed surface of the fixed plate is fixedly connected with a supporting plate, the upper fixed surface of the supporting plate is fixedly connected with an arc-shaped block, the inner wall of the arc-shaped block is fixedly connected with a plurality of universal balls, and the upper surfaces of the universal balls are movably connected with the outer wall of the rotating shaft of the rotary hydraulic oil cylinder body.

Preferably, the lower surface of the catch plate is on the same vertical axis as the top end of the gear.

Preferably, the four corners of the upper surface of the fixing plate are provided with fixing through holes.

Compared with the prior art, the utility model provides a rotatory hydraulic cylinder with auto-lock structure possesses following beneficial effect:

1. this rotary hydraulic cylinder with auto-lock structure, through being provided with the electro-magnet, a spring, carriage release lever and cardboard, when rotary hydraulic cylinder body stall, at first close the electro-magnet, make the electro-magnet outage lose magnetism, later the iron plate breaks away from the electro-magnet lower surface, later the carriage release lever moves down fast under the elasticity of spring and the gravity coordination, and make cardboard card go into in the tooth's slot, utilize the cardboard to block the gear and continue to rotate, the pivot that makes rotary hydraulic cylinder body through the gear simultaneously has the ability of auto-lock, prevent that the pivot of rotary hydraulic cylinder body from continuing to rotate and the condition of taking place the incident, this mechanism makes rotary hydraulic cylinder have self-locking function, avoid its pivot to continue to rotate and take place the incident after rotary hydraulic cylinder stops rotatoryly, the fail safe nature of rotary hydraulic cylinder work has been improved.

2. This rotary hydraulic cylinder with auto-lock structure, through being provided with the extension axle, shaft coupling and movable block, when the pivot of rotary hydraulic cylinder body is connected the bull stick and is found length not enough, extend the axle through the pulling, it passes through the movable block and the stopper removes to extend the axle, the stopper removes in removing the recess, later extend the axle and be close to the bull stick, make the coupling joint bull stick, the bull stick is connected smoothly to the completion rotary hydraulic cylinder body, this mechanism makes rotary hydraulic cylinder's pivot have the function of extension, the convenience of rotary hydraulic cylinder installation and use has been improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make rotary hydraulic cylinder have self-locking function, avoid its pivot to continue to rotate and take place the incident after rotary hydraulic cylinder stops rotating, improved the fail safe nature of rotary hydraulic cylinder work, also can make rotary hydraulic cylinder's pivot have the function of extension, improved the convenience of rotary hydraulic cylinder installation use.

Drawings

Fig. 1 is a schematic structural view of a rotary hydraulic cylinder with a self-locking structure provided by the present invention;

fig. 2 is a schematic structural diagram of a part a of a rotary hydraulic cylinder with a self-locking structure according to the present invention.

In the figure: the device comprises a rotary hydraulic oil cylinder body 1, a gear 2, a 3L-shaped plate, an electromagnet 4, a supporting block 5, a moving rod 6, a clamping plate 7, an iron block 8, an extending mechanism 9, a moving block 91, an extending shaft 92, a coupler 93, a spring 10, a cavity 11, a limiting block 12, a moving groove 13, a fixing plate 14, a supporting plate 15, an arc-shaped block 16 and universal balls 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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 do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a rotary hydraulic cylinder with a self-locking structure comprises a rotary hydraulic cylinder body 1, a gear 2 is fixedly sleeved at the output end of the rotary hydraulic cylinder body 1, an L-shaped plate 3 is fixedly connected to the rotary hydraulic cylinder body 1, a through hole is formed in the upper surface of the L-shaped plate 3, an electromagnet 4 is fixedly connected to the hole wall of the through hole, a support block 5 is fixedly connected to the side wall of the rotary hydraulic cylinder body 1, two circular holes are formed in the upper surface of the support block 5, a moving rod 6 is movably connected to the hole wall of each circular hole, a clamping plate 7 is fixedly connected to the bottom ends of the two moving rods 6 together, an iron block 8 is fixedly connected to the top ends of the two moving rods 6 together, a spring 10 is movably sleeved on the rod wall of the two moving rods 6, two ends of the spring 10 are respectively fixedly connected to the lower surface of the support block 5 and the upper surface of the clamping plate 7, a cavity 11 is formed in the rotating shaft of the rotary hydraulic cylinder body 1, the inner wall of the cavity 11 is movably connected with an extension mechanism 9.

Extension mechanism 9 includes movable block 91, and the lateral wall fixedly connected with of movable block 91 extends axle 92, and the lateral wall that extends axle 92 passes the chamber wall of cavity 11 and outwards extends, and the lateral wall fixedly connected with shaft coupling 93 of extending axle 92, this mechanism make rotary hydraulic cylinder's pivot have the function of extending, have improved the convenience of rotary hydraulic cylinder installation use.

Two limiting blocks 12 are fixedly connected to the outer wall of the moving block 91, two moving grooves 13 matched with the limiting blocks 12 are formed in the inner wall of the cavity 11, and the moving grooves 13 and the limiting blocks 12 can ensure the moving stability of the moving block 91.

Fixed surface of rotary hydraulic cylinder body 1 is connected with fixed plate 14, the last fixed surface of fixed plate 14 is connected with backup pad 15, the last fixed surface of backup pad 15 is connected with arc piece 16, a plurality of universal ball 17 of the inner wall fixedly connected with of arc piece 16, the upper surface of universal ball 17 and the outer wall swing joint of 1 pivot of rotary hydraulic cylinder body, universal ball 17 can ensure 1 pivot pivoted stability of rotary hydraulic cylinder body.

The lower surface of cardboard 7 is in same vertical axis with the top of gear 2 on, and then can ensure that cardboard 7 effectively blocks in the tooth's socket of gear 2.

The four corners of the upper surface of the fixing plate 14 are all provided with fixing through holes, which are convenient for installing the fixing plate 14, and the electromagnet 4 is electrically connected with an external power supply through a control switch, which is a conventional technique and belongs to a technical means used by persons in the art, and therefore, the details are omitted.

In the utility model, when the rotary hydraulic cylinder body 1 stops rotating, the electromagnet 4 is firstly closed to lead the electromagnet 4 to be powered off and demagnetized, then the iron block 8 is separated from the lower surface of the electromagnet 4, then the movable rod 6 moves down rapidly under the cooperation of the elasticity and the gravity of the spring 10, and the clamping plate 7 is clamped into the tooth socket of the gear 2, the gear 2 is blocked by the clamping plate 2 to continue rotating, meanwhile, the rotating shaft of the rotary hydraulic cylinder body 1 has the self-locking capability through the gear 2, the condition that the rotating shaft of the rotary hydraulic cylinder body 1 continues rotating to cause safety accidents is prevented, the mechanism leads the rotary hydraulic cylinder to have the self-locking function, the safety accidents caused by the continuous rotation of the rotating shaft after the rotary hydraulic cylinder stops rotating are avoided, the safety reliability of the work of the rotary hydraulic cylinder is improved, when the rotating shaft of the rotary hydraulic cylinder body 1 is connected with the rotating rod to find that the length is not enough, through pulling extension axle 92, extension axle 92 passes through movable block 91 and stopper 12 and moves, and stopper 12 removes in removing recess 13, later extends axle 92 and is close to the bull stick, makes shaft coupling 93 connect the bull stick, accomplishes rotary hydraulic cylinder body 1 and connects the bull stick smoothly, and this mechanism makes rotary hydraulic cylinder's pivot have the function of extension, has improved the convenience of rotary hydraulic cylinder installation use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotary hydraulic oil cylinder with a self-locking structure comprises a rotary hydraulic oil cylinder body (1) and is characterized in that a gear (2) is fixedly sleeved at the output end of the rotary hydraulic oil cylinder body (1), an L-shaped plate (3) is fixedly connected with the rotary hydraulic oil cylinder body (1), a through hole is formed in the upper surface of the L-shaped plate (3), an electromagnet (4) is fixedly connected with the hole wall of the through hole, a supporting block (5) is fixedly connected with the side wall of the rotary hydraulic oil cylinder body (1), two round holes are formed in the upper surface of the supporting block (5), a moving rod (6) is movably connected with the hole wall of each round hole, a clamping plate (7) is fixedly connected with the bottom ends of the two moving rods (6) together, an iron block (8) is fixedly connected with the top ends of the two moving rods (6) together, and a spring (10) is movably sleeved on the rod wall of the two moving rods (6), the two ends of the spring (10) are fixedly connected with the lower surface of the supporting block (5) and the upper surface of the clamping plate (7) respectively, a cavity (11) is formed in a rotating shaft of the rotary hydraulic oil cylinder body (1), and the inner wall of the cavity (11) is movably connected with the extending mechanism (9).

2. The rotary hydraulic oil cylinder with the self-locking structure according to claim 1, wherein the extension mechanism (9) comprises a moving block (91), an extension shaft (92) is fixedly connected to a side wall of the moving block (91), a side wall of the extension shaft (92) penetrates through a cavity wall of the cavity (11) to extend outwards, and a coupler (93) is fixedly connected to a side wall of the extension shaft (92).

3. The rotary hydraulic oil cylinder with the self-locking structure as claimed in claim 2, characterized in that two limiting blocks (12) are fixedly connected to the outer wall of the moving block (91), and two moving grooves (13) matched with the limiting blocks (12) are formed in the inner wall of the cavity (11).

4. The rotary hydraulic cylinder with the self-locking structure according to claim 1, characterized in that a fixing plate (14) is fixedly connected to the lower surface of the rotary hydraulic cylinder body (1), a supporting plate (15) is fixedly connected to the upper surface of the fixing plate (14), an arc-shaped block (16) is fixedly connected to the upper surface of the supporting plate (15), a plurality of universal balls (17) are fixedly connected to the inner wall of the arc-shaped block (16), and the upper surface of the universal balls (17) is movably connected to the outer wall of the rotating shaft of the rotary hydraulic cylinder body (1).

5. A rotary hydraulic ram with a self-locking mechanism according to claim 1, characterized in that the lower surface of the catch plate (7) is on the same vertical axis as the top end of the gear wheel (2).

6. The rotary hydraulic oil cylinder with the self-locking structure as claimed in claim 4, wherein the four corners of the upper surface of the fixing plate (14) are provided with fixing through holes.