CN210361158U

CN210361158U - Heavy nut upwards closes instrument soon

Info

Publication number: CN210361158U
Application number: CN201920946895.6U
Authority: CN
Inventors: 崔俊; 龚建华
Original assignee: Shanghai Jiangnan Changxing Shipbuilding Co Ltd
Current assignee: Shanghai Jiangnan Changxing Shipbuilding Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-21
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a heavy nut upwards closes instrument soon, including bottom sprag frame, chassis, fixed rotary table, pivot, bolt cap, ball, fixing bolt and crashproof nylon post, the bottom sprag frame is the rectangle, the lower terminal surface on chassis weld in on the bottom sprag frame, fixed rotary table install in the upper portion on chassis, first ball groove has been seted up to the up end on chassis, first ball groove with the same centre of a circle in chassis, second ball groove has been seted up to fixed rotary table's lower terminal surface, first ball groove with be provided with the ball between the second ball groove, the pivot passes in proper order fixed rotary table with the centre of a circle on chassis passes through the bolt cap is fixed, 4 are installed at fixed rotary table's top fixing bolt. The utility model discloses simple structure, preparation low cost can realize screwing up of heavy nut and bolt, great saving manpower and materials, saved the engineering time card boats and ships construction quality and construction safety.

Description

Heavy nut upwards closes instrument soon

Technical Field

The utility model belongs to the technical field of ship design and manufacturing, concretely relates to heavy nut upwards closes instrument soon.

Background

In the shipbuilding industry, the building of ships is developing faster and faster, and the ships are becoming larger and larger. As the structure of the ship becomes larger, many parts thereof are also turned from light to heavy in order to meet the strength requirements of the design, and a heavy nut is one of them. In the job site work process, often can meet the condition that heavy nut upwards closes soon, because the volume and the weight of nut are all great, generally the tray is lifted the back, is difficult to screw it on the screw thread, and has the danger that the slope can lead to the nut landing slightly in the process of lifting.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a heavy nut upwards closes instrument soon, the utility model discloses can close the installation soon to the difficult heavy nut that lifts of manpower, improve the installation effectiveness of heavy nut greatly, take place the slope landing when having avoided the heavy nut of top spin simultaneously and cause the injured condition of staff.

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

the utility model provides a heavy nut upwards screwing tool, which comprises a bottom support frame, a chassis, a fixed turntable, a rotating shaft, a bolt cap, balls, a fixed bolt and an anti-collision nylon post, wherein the bottom support frame is rectangular, a lug is welded at the top of the four corners of the bottom support frame, the lower end surface of the chassis is welded on the bottom support frame, the fixed turntable is arranged at the upper part of the chassis, a first ball groove is arranged on the upper end surface of the chassis, the first ball groove and the chassis are concentric, a second ball groove is arranged on the lower end surface of the fixed turntable, the second ball groove and the fixed turntable are concentric, the radius of the first ball groove is the same as that of the second ball groove, balls are arranged between the first ball groove and the second ball groove, the rotating shaft sequentially passes through the circle center of the fixed turntable and the chassis and is fixed through the bolt cap, 4 fixing bolt is installed at the top of fixed carousel, fixing bolt with the distance between the centre of a circle of fixed carousel equals, fixing bolt's outside parcel has crashproof nylon post.

As a preferable technical scheme, the rotating shaft is a screw rod with the diameter of 48 mm, and the bolt cap adopts double nuts.

As a preferred technical scheme, the height of the fixing bolt is 120 mm, the diameter of the fixing bolt is 16 mm, and the outer diameter of the anti-collision nylon column is 120 mm.

Preferably, the diameter of the first ball groove and the diameter of the second ball groove are 900 mm, and the diameter of the ball is 25 mm.

According to the preferable technical scheme, the thicknesses of the base plate and the fixed rotary disc are both 20 mm, and the base plate and the fixed rotary disc are made of 65 CrMo.

As an optimal technical scheme, the bottom support frame is made of channel steel, and the aperture of the lifting hole in the lifting lug is 60 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, preparation low cost places heavy nut on fixed turntable when using, and fixing bolt fixes heavy nut, promotes the bottom sprag frame to the plane that needs closed the bolt soon through the lifting means, rotates fixed turntable along the direction of screw thread, drives heavy bolt and rotates, realizes screwing up of heavy nut and bolt, great saving manpower and materials, saved the engineering time card boats and ships construction quality and construction safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the heavy nut screwing tool of the present invention.

Fig. 2 is an exploded view of the heavy nut screwing tool of the present invention.

Wherein the reference numerals are specified as follows: the device comprises a bottom support frame 1, a chassis 2, a fixed turntable 3, a rotating shaft 4, a lifting lug 5, a fixed bolt 6, an anti-collision nylon pile column 7, a first ball groove 8, balls 9 and a bolt cap 10. (wherein the second ball grooves are not shown in the drawings)

Detailed Description

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for 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.

As shown in fig. 1 and 2, the present embodiment provides a heavy nut screwing tool upwards, which includes a bottom support frame 1, a chassis 2, a fixed turntable 3, a rotating shaft 4, a bolt cap 10, a ball 9, a fixing bolt 6 and an anti-collision nylon pillar 7, wherein the bottom support frame 1 is rectangular, a lifting lug 5 is welded on the top of the four corners of the bottom support frame, the bottom support frame 1 is made of 160 channel steel, and the aperture of a lifting hole on the lifting lug 5 is 60 mm.

The lower terminal surface of chassis 2 welds on bottom sprag frame 1, and fixed rotary table 3 installs in the upper portion of chassis 2, and the thickness of chassis 2, fixed rotary table 3 is 20 millimeters, and the material of chassis 2, fixed rotary table 3 is 65 CrMo. First ball groove 8 has been seted up to the up end on chassis 2, first ball groove 8 is concentric with chassis 2, the second ball groove has been seted up to the lower terminal surface of fixed turntable 3, the second ball groove is concentric with fixed turntable 3, the radius in the second ball groove of first ball groove 8 is the same, be provided with ball 9 between first ball groove 8 and the second ball groove, the diameter in first ball groove 8, second ball groove is 900 millimeters, the diameter of ball 9 is 25 millimeters. The rotating shaft 4 sequentially penetrates through the circle centers of the fixed turntable 3 and the chassis 2 and is fixed through a bolt cap 10, the rotating shaft 4 is a screw rod with the diameter of 48 mm, and the bolt cap 10 adopts double nuts. 4 fixing bolt 6 are installed at the top of fixed carousel 3, and the distance between the centre of a circle of fixing bolt 6 and fixed carousel 3 equals, and fixing bolt 6's outside parcel has crashproof nylon post 7. The height of fixing bolt 6 is 120 millimeters, and the diameter is 16 millimeters, and the external diameter of crashproof nylon post 7 is 120 millimeters, and crashproof nylon post 7 adopts the nylon material parcel on the bolt, prevents that the thread of heavy nut from damaging.

The working process is as follows: during the use will treat the heavy nut of installation and place on fixed turntable 3, the internal screw thread of heavy nut is hugged closely to 4 crashproof nylon posts 7, fix heavy type nut, hoist lug 5 through hoisting tool and promote bottom sprag frame 1 to the plane that needs to close the bolt soon, rotate fixed turntable 3 along the direction of screw thread, drive heavy bolt and rotate, realize screwing up of heavy nut and bolt, great saving manpower and materials, saved the engineering time and proved boats and ships construction quality and construction safety.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention can be made without departing from the spirit and scope of the present invention, and these modifications and improvements are within the spirit and scope of the present invention.

Claims

1. A heavy-duty nut upward screwing tool is characterized by comprising a bottom support frame (1), a chassis (2), a fixed turntable (3), a rotating shaft (4), a bolt cap (10), balls (9), a fixed bolt (6) and an anti-collision nylon pillar (7), wherein the bottom support frame (1) is rectangular, lifting lugs (5) are welded at the tops of four corners of the bottom support frame (1), the lower end face of the chassis (2) is welded on the bottom support frame (1), the fixed turntable (3) is installed at the upper portion of the chassis (2), a first ball groove (8) is formed in the upper end face of the chassis (2), the first ball groove (8) and the chassis (2) are concentric, a second ball groove is formed in the lower end face of the fixed turntable (3), the second ball groove and the fixed turntable (3) are concentric, the radius of the first ball groove (8) is the same as that of the second ball groove, first ball groove (8) with be provided with ball (9) between the second ball groove, pivot (4) pass in proper order fixed carousel (3) with the centre of a circle of chassis (2) passes through bolt cap (10) are fixed, 4 are installed at the top of fixed carousel (3) fixing bolt (6), fixing bolt (6) with distance between the centre of a circle of fixed carousel (3) equals, the outside parcel of fixing bolt (6) has crashproof nylon post (7).

2. A heavy nut running-up tool according to claim 1, characterized in that the rotating shaft (4) is a screw with a diameter of 48 mm, and the bolt cap (10) is a double nut.

3. A heavy nut running-up tool according to claim 1, wherein the height of the fixing bolt (6) is 120 mm, the diameter is 16 mm, and the outer diameter of the anti-collision nylon column (7) is 120 mm.

4. A heavy nut running-up tool according to claim 1, characterized in that the diameter of the first ball groove (8) and the diameter of the second ball groove are 900 mm, and the diameter of the ball (9) is 25 mm.

5. The upward screwing tool for heavy nuts according to claim 1, wherein the thickness of the chassis (2) and the thickness of the fixed turntable (3) are both 20 mm, and the material of the chassis (2) and the material of the fixed turntable (3) are 65 CrMo.

6. The upward screwing tool for heavy nuts as claimed in claim 1, wherein the bottom supporting frame (1) is made of channel steel, and the diameter of the hanging hole on the lifting lug (5) is 60 mm.