CN221088945U - Periscope mast maintenance overturning tool - Google Patents

Abstract

The utility model provides a periscope mast maintenance upset frock, including removing chassis and rotatory rotating base that sets up at the removal chassis upper surface, rotating base's the other end passes through telescoping device telescopic support, make rotating base can rotate around its rotatory one end, rotating base's front and back both ends surface is provided with mast centre gripping fixing device respectively, mast centre gripping fixing device includes the fly leaf that can slide from top to bottom in backup pad and the backup pad, the surface both sides of each fly leaf rotate respectively and are provided with symmetrical arc splint, each side arc splint's pivot is provided with torsion spring structure respectively, every outwards opens through torsion spring structure to arc splint. The utility model can slowly lay down the mast while clamping the mast, complete the turnover of the mast from a vertical state to a horizontal state, facilitate the maintenance after the horizontal turnover, and ensure that the whole turnover process is safer and more reliable.

Description

Periscope mast maintenance overturning tool

Technical Field

The utility model relates to a tool, in particular to a periscope mast maintenance overturning tool.

Background

The periscope is a device which extends out of the sea surface or out of the ground from a low-lying pit and is used for peeping the sea surface or moving on the ground, the structure of the periscope is the same as that of a common ground telescope, and the object light is reflected twice by adding two reflectors and is folded into eyes. The submarine periscope mast requires continuous operations of posture adjustment, hoisting and transferring in the wharf outfitting, maintenance and repair processes. Because the length of the main shaft reaches more than 10 meters, the periscope mast has large weight and long overall size, and various risks and uncontrollable factors exist in the lifting and installing processes, so that the risks of collision and falling are easy to generate. In order to ensure the safety of the submarine periscope mast during the lifting process, the lifting of the submarine periscope mast on the wharf outfitting is usually completed by a crane, a high-grade fitter and a tower crane operator with higher operation level, the labor cost is high, and the risk still exists. Therefore, the invention patent CN110919603A discloses an auxiliary overturning tool for a periscope mast, belongs to the technical field of periscope mast tools, and comprises the following components: the support trolley comprises a base frame and first casters, the first casters are fixedly connected to the bottom of the base frame, the top of the base frame is provided with a lifting bracket for supporting the periscope mast, and the lifting bracket is used for adjusting the horizontal placement posture of the periscope mast; the overturning trolley comprises a base plate and a second foot wheel, the second foot wheel is fixedly connected to the bottom of the base plate, an overturning bracket for supporting the periscope mast is arranged at the top of the base plate, and the overturning bracket is used for adjusting the lifting and transferring gesture of the periscope mast. The device supports the dolly and the tilting cart supports periscope mast jointly and is convenient for remove and delivery, avoids using the risk that lifting equipment high altitude handling produced, but the device needs to fix the mast through structures such as screw staple bolt, dismantles more laborious, in addition, also has certain potential safety hazard when falling down.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide a periscope mast maintenance overturning tool.

The utility model aims to achieve the purpose, the periscope mast maintenance overturning tool comprises a movable chassis and a rotating base rotatably arranged on the upper surface of the movable chassis, wherein the other end of the rotating base is telescopically supported by a telescopic device, so that the rotating base can rotate around one rotating end of the rotating base, mast clamping and fixing devices are respectively arranged on the surfaces of the front end and the rear end of the rotating base, each mast clamping and fixing device comprises a supporting plate and a movable plate capable of sliding up and down in the supporting plate, the vertical section of the supporting plate is U-shaped, the movable plates are supported in the supporting plate through rebound structures, symmetrical arc clamping plates are respectively arranged on two sides of the surfaces of each movable plate in a rotating mode, torsion spring structures are respectively arranged on rotating shafts of each arc clamping plate, each pair of arc clamping plates are outwards opened through the torsion spring structures, each movable plate is jacked to the opening position at the top of the supporting plate when the rebound structures are in a normal state, the upper ends of each pair of arc clamping plates are outwards opened and released, the elasticity of the rebound structures is overcome, the movable plates can fall into the bottom of the supporting plate, and each pair of arc clamping plates are positioned in the supporting plate and are in a closed clamping state.

Further, the rotating end of the rotating base is provided with a supporting rotating shaft perpendicular to the rotating base body, a plurality of fixed bearings are sleeved on the supporting rotating shaft, and each fixed bearing is fixedly connected with one end of the movable chassis respectively.

Further, the telescopic device is a multi-stage cylinder, the vertical section of the lifting end of the rotating base is U-shaped, the two sides of the top are respectively provided with a horizontal and symmetrical lifting plate, and the upper end and the lower end of the multi-stage cylinder on each side are respectively connected with the lifting plate and the movable chassis in a rotating way through a hinge structure.

Further, the bottom of the movable chassis is respectively provided with a plurality of movable wheels, and the movable wheels at one end are universal wheels with brakes.

Further, the rebound structure is an air spring or a metal spring.

Further, the multistage cylinders on two sides are communicated through the same main air supply pipeline, and the main air supply pipeline is further provided with a pressure relief valve which is communicated with the outside.

Further, the movable chassis of the rotatory one end of swivel mount is provided with the extension support, and the outer end lower surface of extension support is higher than the movable chassis main part upper surface, and the universal wheel setting is at the outer end lower surface of extension support.

Further, the outer ends of the extension brackets are fixedly connected through a cross rod.

The utility model uses the self weight of the mast to make the mast push down the mast clamping and fixing device, thereby making the movable plate move downwards relatively and driving each pair of arc clamping plates to close so as to clamp the mast, in addition, under the action of the force in the mast, the multi-stage air cylinders at two sides are compressed and exhausted, as the air in the multi-stage air cylinders has an exhaust process, and a structure similar to an air spring is formed, the mast can be slowly put down while clamping the mast, the overturning of the mast from a vertical state to a horizontal state is completed, the maintenance action is conveniently carried out after the horizontal overturning, and the whole overturning process is safer and more reliable.

Drawings

FIG. 1 is a schematic view of a horizontal state of the present utility model;

FIGS. 2 and 3 are schematic views of the horizontal state of the present utility model;

FIG. 4 is a schematic view of the tilting mechanism of the present utility model;

FIGS. 5 and 6 are schematic perspective views showing the tilting state of the present utility model;

FIG. 7 is a perspective view of the mast clamp fixture of the present utility model in a collapsed configuration.

Detailed Description

As shown in fig. 1-7, a periscope mast maintenance overturning tool comprises a mobile chassis 1 and a rotary base 2 rotatably arranged on the upper surface of the mobile chassis 1, wherein a plurality of mobile wheels 11 are respectively arranged at the bottom of the mobile chassis 1, the mobile wheels 11 at one end are universal wheels with brakes and convenient to move, the other end of the rotary base 2 is telescopically supported by a telescopic device, so that the rotary base 2 can rotate around one end of the rotary base 2, mast clamping fixing devices are respectively arranged on the surfaces of the front end and the rear end of the rotary base 2, the mast clamping fixing devices comprise a supporting plate 3 and a movable plate 4 capable of sliding up and down in the supporting plate 3, the vertical section of the supporting plate 3 is U-shaped, the movable plate 4 is supported in the supporting plate 3 through a rebound structure, the rebound structure is an air spring or a metal spring 12, the two sides of the surface of each movable plate 4 are respectively rotatably provided with symmetrical arc clamping plates 5, the rotating shafts of each arc clamping plate 5 are respectively provided with a torsion spring structure, each pair of arc clamping plates 5 are outwards opened through the torsion spring structure, each arc clamping plate 5 is in a normal state, each movable plate 4 is jacked to the top opening of the top of the supporting plate 3, each pair of arc clamping plates 5 is outwards opened, the upper ends of each pair of arc clamping plates 5 are outwards in an inclined state, and each pair of arc clamping plates 4 can be in a closed state, and each pair of arc clamping plate 3 is in a closed state, and each pair of the inner clamping plate 4 is in a state against the bottom state.

The rotating end of the rotating base 2 is provided with a supporting rotating shaft 6 perpendicular to the main body of the rotating base 2, a plurality of fixed bearings 7 are sleeved on the supporting rotating shaft 6, each fixed bearing 7 is fixedly connected with one end of the movable chassis 1 respectively, the telescopic device is a multi-stage air cylinder 8, the vertical section of the lifting end of the rotating base 2 is U-shaped, two sides of the top of the rotating base 2 are respectively provided with a horizontal and symmetrical lifting plate 9, and the upper end and the lower end of the multi-stage air cylinder 8 on each side are respectively connected with the lifting plate 9 and the movable chassis 1 in a rotating mode through a hinge structure 10.

The multistage cylinder 8 of both sides is through same main air feed line intercommunication, and main air feed line still is provided with relief valve and external intercommunication, and the removal chassis 1 of the rotatory one end of swivel mount 2 is provided with extension support 13, and extension support 13's outer end lower surface is higher than removal chassis 1 main part upper surface, and the universal wheel setting is at extension support 13's outer end lower surface, through horizontal pole 14 fixed connection between extension support 13's the outer end.

The working principle of the utility model is as follows: when the device is used for bearing a vertical mast, the multi-stage air cylinders 8 on two sides are simultaneously stretched through the air supply pump, as shown in fig. 4-6, at the moment, the rotating base 2 and the mast clamping and fixing device are in an inclined state, at the moment, the air supply pump is closed, the mast is inclined towards the direction of the mast clamping and fixing device, the pressure release valve is opened, the multi-stage air cylinders 8 can be controlled to retract through the multi-stage air cylinder 8 control device, the automatic air exhaust retraction is preferably adopted, the mast is enabled to press the mast clamping and fixing device due to the self weight of the mast, so that the movable plate 4 moves downwards relatively and drives the arc clamping plates 5 to be closed to clamp the mast, as shown in fig. 7, in addition, under the action of force in the mast, the multi-stage air cylinders 8 on two sides are compressed and exhausted, as the internal air of the multi-stage air cylinders 8 has an air spring-like structure, the mast can be slowly laid down while being clamped, the overturning from the vertical state to the horizontal state is completed, the maintenance effect is convenient after the horizontal overturning is carried out, and the whole overturning process is safer and more reliable.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, and the detailed description is omitted.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a periscope mast maintenance upset frock, includes and removes chassis (1) and rotation setting at rotating base (2) of removal chassis (1) upper surface, its characterized in that: the other end of rotating base (2) is supported in a telescopic way through a telescopic device, rotating base (2) can rotate around one rotating end of rotating base, mast clamping and fixing devices are respectively arranged on the surfaces of the front end and the rear end of rotating base (2), each mast clamping and fixing device comprises a supporting plate (3) and a movable plate (4) capable of sliding up and down in the supporting plate (3), the vertical section of the supporting plate (3) is U-shaped, the movable plates (4) are supported in the supporting plate (3) through rebound structures, symmetrical arc clamping plates (5) are respectively arranged on two sides of the surface of each movable plate (4) in a rotating mode, torsion spring structures are respectively arranged on the rotating shafts of the arc clamping plates (5) on each side, each pair of arc clamping plates (5) are outwards opened through the torsion spring structures, each movable plate (4) is jacked to the top opening part of the supporting plate (3) in a normal state when the rebound structures are outwards opened, the upper end of each pair of arc clamping plates (5) is outwards in an opened and released state, the rebound structure is overcome, the movable plates (4) can fall into the inner bottom of the supporting plate (3) through the elasticity of the rebound structures, and each pair of arc clamping plates (5) are located in a closed clamping state in the supporting plate (3).

2. The periscope mast maintenance and overturning tool as recited in claim 1, wherein: the rotating end of the rotating base (2) is provided with a supporting rotating shaft (6) perpendicular to the main body of the rotating base (2), a plurality of fixed bearings (7) are sleeved on the supporting rotating shaft (6), and each fixed bearing (7) is fixedly connected with one end of the movable chassis (1) respectively.

3. The periscope mast maintenance and overturning tool as recited in claim 1, wherein: the telescopic device is a multi-stage air cylinder (8), the vertical section of the lifting end of the rotating base (2) is U-shaped, the two sides of the top are respectively provided with a horizontal and symmetrical lifting plate (9), and the upper end and the lower end of the multi-stage air cylinder (8) on each side are respectively connected with the lifting plate (9) and the movable chassis (1) in a rotating way through a hinge structure (10).

4. The periscope mast maintenance and overturning tool as recited in claim 1, wherein: the bottom of the movable chassis (1) is respectively provided with a plurality of movable wheels (11), wherein the movable wheels (11) at one end are universal wheels with brakes.

5. The periscope mast maintenance and overturning tool as recited in claim 1, wherein: the rebound structure is an air spring or a metal spring (12).

6. A periscope mast maintenance and turning tool as claimed in claim 3, wherein: the multi-stage air cylinders (8) on two sides are communicated through the same main air supply pipeline, and the main air supply pipeline is also provided with a pressure relief valve which is communicated with the outside.

7. The periscope mast maintenance and overturning tool as recited in claim 1, wherein: the movable chassis (1) at one rotating end of the rotating base (2) is provided with an extension bracket (13), the lower surface of the outer end of the extension bracket (13) is higher than the upper surface of the main body of the movable chassis (1), and the universal wheels are arranged on the lower surface of the outer end of the extension bracket (13).

8. The periscope mast maintenance and turning tool of claim 7, wherein: the outer ends of the extension brackets (13) are fixedly connected through a cross rod (14).