CN115464432A

CN115464432A - Stern tube boring tool

Info

Publication number: CN115464432A
Application number: CN202210912720.XA
Authority: CN
Inventors: 王惠达; 黄雨星
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2022-07-31
Filing date: 2022-07-31
Publication date: 2022-12-13

Abstract

The invention discloses a stern tube boring tool, which belongs to the field of stern tube boring devices and is characterized in that a work box is provided with two parallel sliding grooves; the sliding groove is communicated with the inside of the working box, the bottom plate inside the working box is connected with a sliding plate in a sliding manner, two ends of the sliding plate are fixedly connected with two clamping blocks, a main gear is fixedly sleeved on an output shaft of a second motor above the sliding plate, and one end of the sliding plate is provided with an electric push rod; two mutually parallel bidirectional screw rods are arranged in the working box, and driven wheels meshed with the driving wheels are sleeved on the bidirectional screw rods; the top of the sliding block is fixedly connected with a clamping assembly for clamping a stern tube; the inside of the working box is also provided with a limiting component; the stern tube boring tool has the advantages that the structure is simple, the practical functions of the stern tube boring tool are enriched, stern tubes with different sizes in a certain range can be clamped according to the matching among components, the limiting assembly and the like are convenient to replace after being worn, the gear and the like are protected to a certain extent due to the arrangement of the limiting assembly, and the stern tube boring tool is simple to operate and convenient and fast to use.

Description

Stern tube boring tool

Technical Field

The invention relates to the technical field of stern tube boring devices, in particular to a stern tube boring tool.

Background

The stern tube boring tool is a device for boring a stern tube. The stern tube is a component in the ship shafting and is fixed at the tail of the ship body, so that the stern shaft passes through the tube section provided with a sealing and supporting device. However, the existing stern tube boring device has the following defects in the working process: 1. the clamping size is single; 2. the components are not easily replaced when worn.

Therefore, there is a need to provide a stern tube boring tool to solve the above mentioned problems.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, the clamping size is single, and a clamping assembly is not convenient to replace after being worn, and provides a stern tube boring tool.

In order to achieve the purpose, the invention adopts the following technical scheme:

a stern tube boring tool comprises a working box, wherein the working box is provided with two parallel sliding grooves; the sliding chute is communicated with the inside of the working box, a sliding plate is connected to the bottom plate inside the working box in a sliding manner, two clamping blocks are fixedly connected to two ends of the sliding plate, a second motor is arranged above the sliding plate, a main gear is fixedly sleeved on an output shaft of the second motor, an electric push rod is arranged at one end of the sliding plate, and a telescopic rod of the electric push rod is fixedly connected with the sliding plate;

two mutually parallel bidirectional screw rods are arranged in the working box, and driven wheels meshed with the main gear are sleeved on the bidirectional screw rods; the sliding blocks are arranged at two ends of the bidirectional screw rod through threaded holes, and the top of each sliding block is fixedly connected with a clamping assembly for clamping a stern tube;

the inside of the working box is also provided with a limiting component;

preferably, the limiting assembly comprises a plurality of fixing plates arranged in the working box, a plurality of limiting columns are arranged on one side of each fixing plate, and springs are arranged between one side of each fixing plate and the inner wall of the working box.

Preferably, the clamping assembly comprises a clamping block fixedly connected to the top of the sliding block, and one side of the sliding block is provided with a limiting hole and the limiting hole is clamped with the limiting column.

Preferably, the clamping part of the clamping block is fixedly connected with an antiskid rubber.

Preferably, a supporting plate is fixedly connected to one side of the working box, a back plate is fixedly connected to the upper portion of the supporting plate, a first motor is fixedly connected to one side of the back plate, an output shaft of the first motor penetrates through the back plate, and a boring machine is fixedly connected to the output shaft of the first motor.

Has the advantages that: in the invention, when boring is needed, the clamping block can clamp the stern tube under the action of the second motor and the electric push rod, and the clamping block is provided with the clamping block, the limiting column and other components for limiting the clamping block, so that the device can clamp stern tubes with different sizes in a certain range and is convenient to process.

The stern tube boring tool is simple in structure, enriches the practical functions of the stern tube boring tool, can clamp stern tubes with different sizes in a certain range according to the matching between components, is convenient to replace after a limiting assembly and the like are worn, has a certain protection effect on gears and the like due to the arrangement of the limiting assembly, and is simple to operate and convenient to use.

Drawings

FIG. 1 is a schematic three-dimensional structure diagram of a stern tube boring tool according to the present invention;

FIG. 2 is a schematic top view of the interior of the work box of the present invention;

FIG. 3 is a schematic three-dimensional view of a clamping assembly according to the present invention;

FIG. 4 is a schematic view of the position of the slide plate and the second motor according to the present invention;

in the figure: 1. a work box; 101. a chute; 2. a clamping block; 3. a slider; 302. A threaded hole; 4. a bidirectional screw rod; 5. a limiting column; 6. a support plate; 7. a boring machine; 8. a first motor; 9. a back plate; 10. a slide plate; 11. a clamping block; 12. a second motor; 13. a main gear; 14. a driven wheel; 15. a fixing plate; 16. an electric push rod; 17. a spring.

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.

Example one

Referring to fig. 1-4, a stern tube boring tool comprises a work box 1,

the top of the working box 1 is provided with two sliding chutes 101;

a sliding plate 10 is connected to the inner bottom plate of the working box 1 in a sliding manner, two clamping blocks 11 are fixedly connected to the top of the sliding plate 10, a second motor 12 is arranged above the sliding plate 10, and a motor frame of the second motor 12 stretches across two sides of the sliding plate 10; an output shaft of the second motor 12 is fixedly sleeved with a main gear 13, an inner bottom plate of the working box 1 is fixedly connected with an electric push rod 16, and a telescopic rod of the electric push rod 16 is fixedly connected with the sliding plate 10;

the inner bottom plate of the working box 1 is connected with a sliding block 3 in a sliding manner, and the top of the sliding block 3 is fixedly connected with a clamping assembly for clamping a stern tube;

a limiting component used for limiting the position of the sliding block 3 is connected to the inner bottom plate of the working box 1 in a sliding manner;

one side fixedly connected with extension board 6 of work box 1, the top fixedly connected with backplate 9 of extension board 6, one side fixedly connected with first motor 8 of backplate 9 and the output shaft of first motor 8 rotate and run through backplate 9, the output shaft fixedly connected with boring machine 7 of first motor 8.

Example two

Referring to fig. 1-4, a stern tube boring tool comprises a work box 1,

the top of the working box 1 is provided with two sliding chutes 101;

a sliding plate 10 is connected to the inner bottom plate of the work box 1 in a sliding manner, two clamping blocks 11 are fixedly connected to the top of the sliding plate 10, the width of each clamping block 11 is slightly wider than the distance between the fixing plates 15 in a reset state, clamping is facilitated, and an inclination is arranged on one side, close to each fixing plate, of each clamping block 11; a second motor 12 is arranged above the sliding plate 10, and a motor bracket of the second motor 12 spans two sides of the sliding plate 10; an output shaft of the second motor 12 is fixedly sleeved with a main gear 13, an inner bottom plate of the working box 1 is fixedly connected with an electric push rod 16, and a telescopic rod of the electric push rod 16 is fixedly connected with the sliding plate 10;

the inner bottom plate of the working box 1 is connected with a sliding block 3 in a sliding manner, the top of the sliding block 3 is fixedly connected with a clamping assembly for clamping a stern tube, the clamping assembly comprises a clamping block 2 fixedly connected to the top of the sliding block 3, the sliding block 3 is matched and clamped with a limiting column 5, the limiting column 5 is wedge-shaped, and the sliding block 3 is clamped between the adjacent limiting columns 5; the inner wall of work box 1 rotates and is connected with two-way lead screw 4, two sliders 3 of threaded hole 302 and homonymy are seted up to slider 3 run through there is same two-way lead screw 4, the tight piece 2 of top fixedly connected with of slider 3, the tight position fixedly connected with non-slip rubber of the tight piece 2 of clamp, make the stern pipe press from both sides tightly more firm, be difficult for the slippage, the fixed cover of center outer wall of two-way lead screw 4 is equipped with driven gear 14 and driven gear 14 meshes with master gear 13 mutually, make the stern pipe of the tight multiple size of clamp within certain limits.

Sliding connection has the spacing subassembly that is used for injecing slider 3 position on the inside bottom plate of work box 1, and spacing subassembly is including setting up a plurality of fixed plates 15 at the inside bottom plate of work box 1, and the inside bottom plate of work box 1 is offered and is used for gliding recess, the slip of the fixed plate 15 of being convenient for, a plurality of spacing posts 5 of one side fixedly connected with of fixed plate 15, fixedly connected with spring 17 between one side of fixed plate 15 and the inner wall of work box 1 for slider 3's position is injectd.

However, as is well known to those skilled in the art, the working principle and the connection method of the first motor 8, the second motor 12 and the electric push rod 16 are common and are all conventional means or common knowledge, and are not described herein, and those skilled in the art can make any choice according to their needs or convenience.

In the invention, when boring is needed, a stern tube is firstly placed at a proper position on the top of a working box 1, a second motor 12 is started, a main gear 13 of an output shaft of the second motor 12 is meshed with a left driven gear 14 and a right driven gear 14, under the action of the second motor 12, the main gear 13 rotates, the two driven gears 14 meshed with the main gear 14 rotate along with the main gear, the driven gears 14 drive a bidirectional screw rod 4 to rotate, so that sliders 3 at two ends move towards the center, the sliders 3 drive a clamping block 2 to move, when the stern tube is clamped by the clamping block 2, the second motor 12 is closed, an electric push rod 16 is started to drive a sliding plate 10 to move, two clamping blocks 11 on the sliding plate 10 move along with the sliding plate, the two clamping blocks 11 are respectively clamped between fixing plates 15, a spring 17 is squeezed, so that the sliders 3 just correspond to gaps between adjacent limiting columns 5 fixedly connected to one side of the fixing plates 15, the sliders 3 are limited, the positions of the clamping blocks 3 are also limited, the positions of the clamping blocks 2 are also limited, a certain protection effect can be achieved on the gears, the stern tube is clamped, the electric push rod 16 is closed, the first motor 8 is started, the first motor 8 drives a hole boring machine 7 to bore the stern tube, and bore the stern tube. After boring, the first motor 8 is turned off, the electric push rod 16 is started, the electric push rod 16 drives the sliding plate 10 to move, the two clamping blocks 11 move out, the fixing plate 15 is reset under the action of the spring 17, the clamping of the limiting column 5 is released, the limiting of the sliding block 3 is further released, the second motor 12 is started, the main gear 13 drives the driven gear 14 to rotate, the bidirectional screw rod 4 is driven to rotate, the sliding block 3 is made to move in the direction away from the driven gear 14, the clamping of the clamping block 2 on the stern tube is further released, and the stern tube is taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a stern tube bore hole frock, includes work box (1), its characterized in that: the working box (1) is provided with two parallel sliding chutes (101); the sliding chute (101) is communicated with the inside of the working box, a sliding plate (10) is connected onto an inner bottom plate of the working box (1) in a sliding mode, two clamping blocks (11) are fixedly connected to two ends of the sliding plate (10), a second motor (12) is arranged above the sliding plate (10), a main gear (13) is fixedly sleeved on an output shaft of the second motor (12), an electric push rod (16) is arranged at one end of the sliding plate (10), and a telescopic rod of the electric push rod (16) is fixedly connected with the sliding plate (10);

two mutually parallel bidirectional screw rods are arranged in the working box (1), and a driven wheel (14) meshed with the driving wheel (13) is sleeved on each bidirectional screw rod; the sliding blocks (3) are arranged at two ends of the bidirectional screw rod through threaded holes (302), and the top of each sliding block (3) is fixedly connected with a clamping assembly for clamping a stern tube;

the working box (1) is internally provided with a limiting component.

2. The stern tube boring tool according to claim 1, wherein the limiting assembly comprises a plurality of fixing plates (15) arranged in the working box (1), a plurality of limiting columns (5) are arranged on one side of each fixing plate (15), and a spring (17) is arranged between one side of each fixing plate (15) and the inner wall of the working box (1).

3. The stern tube boring tool according to claim 2, wherein the clamping assembly comprises a clamping block (2) fixedly connected to the top of the sliding block (3), one side of the sliding block (3) is provided with a limiting hole (301), and the limiting hole (301) is clamped with the limiting column (5).

4. The stern tube boring tool according to claim 3, wherein the clamping part of the clamping block (2) is fixedly connected with anti-skid rubber.

5. The stern tube boring tool as claimed in claim 1, wherein a supporting plate (6) is fixedly connected to one side of the working box (1), a back plate (9) is fixedly connected to the upper portion of the supporting plate (6), a first motor (8) is fixedly connected to one side of the back plate (9), an output shaft of the first motor (8) penetrates through the back plate (9), and a boring machine (7) is fixedly connected to an output shaft of the first motor (8).