On-site trepanning and positioning device for ship

By designing a ship's on-site opening positioning device including a telescopic rotary frame, a variable diameter frame and a light sensing device, the problem of low opening positioning accuracy during ship construction in the prior art is solved, and efficient and accurate opening is achieved Hole positioning reduces construction costs.

CN222514369UActive Publication Date: 2025-02-21DALIAN SHIPBUILDING IND ENG CO SHIPYARD
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Patent Information

Application Number
CN202421174124.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-21
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

During the construction of existing ships, there are problems such as difficulty in measuring and inaccurate positioning of outer plate openings and other professional openings, and the illustrations are not applicable to the current construction environment, resulting in low accuracy, high construction difficulty and high cost.

Method used

A ship's on-site opening positioning device is designed, including a fixing frame, a multi-degree of freedom telescopic rotary frame, a diameter-reducing frame, a central light sensing device and a circumferential light sensing device. The telescopic rotary frame and the variable diameter frame drive the variable diameter rack to telescopic through the articulation structure and brake gear, so that the position of the light sensing device can be adjusted according to the aperture radius and accurately position the center and radius of the aperture.

Benefits of technology

The device is simple in structure and clear in operability. It can efficiently locate holes in complex locations, which improves the accuracy of holes on the ship construction site and reduces construction difficulty and cost.

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Abstract

The utility model belongs to the field of machining and positioning of holes, and relates to a ship on-site trepanning and positioning device. The on-site trepanning and positioning device for the ship comprises a fixing frame (3) used for fixing the trepanning and positioning device. The device is characterized in that a multi-degree-of-freedom telescopic rotating frame (1) is arranged on the fixed frame (3); the reducing frame (2) is arranged at one end of the telescopic rotating frame (1); a light sensing device (5) is arranged at one end of the variable-diameter frame (2); more than one circumferential light sensing device (6) capable of positioning point positions on the circumference of the hole is arranged on the variable-diameter frame (2); and the variable-diameter frame (2) can be used for setting the distance from the circumferential light sensing device (6) to the central light sensing device (6) according to the radius of an opening. The trepanning positioning device is simple in structure, trepanning, labeling and measuring of complex positions are convenient and efficient, trepanning precision is high, and construction difficulty and cost are low.
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Description

Technical Field

[0001] The invention belongs to the field of hole processing and positioning, and relates to a ship on-site hole opening and positioning device. Background Art

[0002] In the current shipbuilding process, due to design cycles, production tools, precision control and other reasons, the openings of the outer plates and some other professional openings can only be opened during on-site construction. When construction workers rely on existing tools to locate the openings, there are many problems such as difficult measurement, inaccurate positioning, and the diagram markings are not applicable to the current construction environment. While it is difficult to meet the precision requirements of this profession, it will also cause positioning deviations and collisions of other professional connectors, increasing the material cost, labor cost and time cost of shipbuilding.

[0003] The locator structure of the hole positioning device in the prior art is complex, and it is not possible to efficiently find the hole position for on-site construction personnel. At the same time, the measurement direction of holes in some complex positions cannot be conveniently marked. The accuracy of holes opened at the shipbuilding site is low, and the construction difficulty and cost are high. Summary of the invention

[0004] In order to solve the problems that the hole positioning device in the prior art has a complex structure and cannot efficiently find the hole position for on-site construction personnel, and at the same time, it is impossible to conveniently mark and measure holes in some complex positions, the accuracy of holes in ship construction is low, and the construction difficulty and cost are high, the present invention provides a ship on-site hole positioning device, including a fixing frame for fixing the hole positioning device; characterized in that a telescopic rotating frame with multiple degrees of freedom is provided on the fixing frame; a reducing frame is provided at one end of the telescopic rotating frame; a central light sensor device capable of locating the center position of the hole is provided at one end of the reducing frame; more than one circumferential light sensor device capable of locating points on the circumference of the hole is provided on the reducing frame; the reducing frame can set the distance from the circumferential light sensor device to the central light sensor device according to the radius of the hole.

[0005] According to the above-mentioned ship on-site hole opening positioning device, it is characterized in that the telescopic rotating frame includes: a telescopic vertical frame that can adjust the length of the telescopic rotating frame in the vertical direction and a telescopic horizontal frame hinged to one end of the telescopic vertical frame that can adjust the angle of the reducer relative to the horizontal plane.

[0006] According to the above-mentioned ship on-site hole drilling and positioning device, it is characterized in that the telescopic vertical frame and the telescopic horizontal frame are hinged and are both cylindrical parts.

[0007] According to the above-mentioned ship on-site hole opening positioning device, it is characterized in that the variable diameter frame includes a braking gear, which is rotatably arranged at one end of the telescopic horizontal frame; the braking gear is coaxial with the telescopic horizontal frame; the braking gear is provided with a variable diameter rack meshing with it and a knob that drives the braking gear to rotate; the knob is coaxial with the braking gear.

[0008] According to the above-mentioned on-site hole drilling positioning device for ships, it is characterized in that a circumferential light sensor device is arranged at one end of the reducer; the light emitted by the circumferential light sensor device coincides with the axis of the brake gear.

[0009] According to the above-mentioned ship on-site hole drilling positioning device, it is characterized in that the telescopic rotating frame and the reducing frame are respectively provided with angle measuring devices that can accurately measure the axial rotation angle of the telescopic rotating frame and the rotation angle of the reducing frame relative to the horizontal plane.

[0010] According to the above-mentioned ship on-site hole opening positioning device, it is characterized in that there are 4 reducing racks, and the 4 reducing racks have the same shape and size; 2 of them are horizontally arranged along the outer ring of the brake gear, and are parallel to each other and symmetrical around the central axis of the brake gear; the other 2 reducing racks are vertically arranged along the outer ring of the brake gear, and are parallel to each other and symmetrical around the central axis of the brake gear; after the brake gear rotates, it drives the reducing rack to extend and retract simultaneously relative to the axis of the brake gear.

[0011] According to the above-mentioned on-site hole opening positioning device for ships, it is characterized in that the fixing frame is a switch-type magnetic seat, which can be adsorbed and fixed around the hole.

[0012] According to the above-mentioned on-site hole opening positioning device for ships, it is characterized in that the central light sensor device and the circumferential light sensor device are both infrared transmitters.

[0013] According to the above-mentioned on-site hole drilling positioning device for ships, it is characterized in that the angle measuring device is an angle ruler with an accuracy of 1'.

[0014] The advantages of the present invention compared with the prior art are:

[0015] 1. The fixed frame of the present invention is provided with a telescopic rotating frame with multiple degrees of freedom; a diameter reducing frame is provided at one end of the telescopic rotating frame; the diameter reducing frame can set the distance from the circumferential light sensor device to the central light sensor device according to the opening radius. The structure is simple, easy to produce and manufacture, and has high reliability.

[0016] 2. The variable-diameter rack of the present invention is symmetrically arranged around the central axis of the brake gear; after the brake gear rotates, it drives the variable-diameter rack to simultaneously extend and retract relative to the axis of the brake gear, thereby locating the origin and radius of the opening according to the light emitted by the central light sensor device and the circumferential light sensor device. The operating principle is clear, the operation is simple, and it is easy to understand and use.

[0017] 3. The present invention can adapt to the processing of holes in various spatial positions. Through the axial rotation of the telescopic rotating frame and the rotation of the variable diameter frame around the hinge, the holes in various spatial positions can be positioned.

[0018] 4. The telescopic rotating frame and the reducing frame of the present invention are respectively provided with angle measuring devices which can accurately measure the rotation angle of the telescopic rotating frame around the axial direction and the rotation angle of the reducing frame relative to the horizontal plane, which effectively solves the problem of machining positioning accuracy of existing ship holes and improves the machining quality of holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a ship on-site hole drilling and positioning device according to the present invention.

[0020] Figure 2 A front view of a schematic structural diagram of a ship on-site hole drilling and positioning device according to the present invention.

[0021] Figure 3 A right view of the structural schematic diagram of the on-site hole drilling and positioning device for a ship according to the present invention.

[0022] Figure 4 Schematic diagram of the use of the ship on-site hole opening positioning device of the present invention Figure 1 .

[0023] Figure 5 Schematic diagram of the use of the ship on-site hole opening positioning device of the present invention Figure 2 .

[0024] In the figure: 1: telescopic rotating frame; 1.1: telescopic vertical frame; 1.2: telescopic horizontal frame; 1.3: angle measuring device; 2.1: diameter-changing rack; 2.2: brake gear; 2.3: knob; 2: diameter-changing frame; 3: fixed frame; 5: central light sensor device; 6: circumferential light sensor device; 7: main deck; 8: inner deck; 9: outer shell; 10: ship on-site hole positioning device; θ: angle value provided by the design; H: net height value provided by the design. DETAILED DESCRIPTION

[0025] Preferred embodiment 1

[0026] like Figure 1-Figure 3 As shown, the on-site hole positioning device for a ship comprises a fixing frame 3 for fixing the hole positioning device; a telescopic rotating frame 1 with multiple degrees of freedom is arranged on the fixing frame 3; a reducing frame 2 is arranged at one end of the telescopic rotating frame 1; a central light sensor device 5 capable of locating the center position of the hole is arranged at one end of the reducing frame 2; more than one circumferential light sensor device 6 capable of locating points on the circumference of the hole is arranged on the reducing frame 2; the reducing frame 2 can set the distance from the circumferential light sensor device 6 to the central light sensor device 5 according to the radius of the hole.

[0027] The telescopic rotating frame 1 comprises: a telescopic vertical frame 1.1 capable of adjusting the length of the telescopic rotating frame 1 in the vertical direction and a telescopic horizontal frame 1.2 hinged to one end of the telescopic vertical frame 1.1 capable of adjusting the angle of the reducing frame 2 relative to the horizontal plane.

[0028] The telescopic vertical frame 1.1 and the telescopic horizontal frame 1.2 are hinged and are both cylindrical parts.

[0029] The reducer frame 2 comprises a brake gear 2.2 which is rotatably arranged at one end of the telescopic frame 1.2; the brake gear 2.2 is coaxial with the telescopic frame 1.2; the brake gear 2.2 is provided with a reducer rack 2.1 meshing with the reducer rack 2.1 and a knob 2.3 which drives the brake gear 2.2 to rotate; the knob 2.3 is coaxial with the brake gear 2.2.

[0030] A circumferential light sensor 6 is arranged on the reducer 2; the light emitted by the circumferential light sensor 6 is parallel to the axis of the brake gear 2.2.

[0031] The telescopic rotating frame 1 and the reducing frame 2 are respectively provided with angle measuring devices 1.3 which can accurately measure the rotation angle of the telescopic rotating frame 1 around the axial direction and the rotation angle of the reducing frame 2 relative to the horizontal plane.

[0032] There are four reducing racks 2.1, and the four reducing racks 2.1 have the same shape and size; two of them are horizontally arranged along the outer ring of the brake gear 2.2, and are parallel to each other and symmetrical around the central axis of the brake gear 2.2; the other two reducing racks 2.1 are vertically arranged along the outer ring of the brake gear 2.2, and are parallel to each other and symmetrical around the central axis of the brake gear 2.2; after the brake gear 2.2 rotates, it drives the reducing racks 2.1 to expand and contract simultaneously relative to the axis of the brake gear 2.2.

[0033] The fixing frame 3 is a switch-type magnetic seat, which can be adsorbed and fixed around the opening.

[0034] The central light sensor device 5 and the circumferential light sensor device 6 are both infrared emitters.

[0035] The angle measuring device 1.3 is an angle ruler with an accuracy of 1'.

[0036] By manipulating the switch-type magnetic seat 3, the on-site hole opening positioning device of the ship can be adsorbed in a suitable position; the length change of the telescopic stand 1.1 can make the telescopic horizontal frame 1.2 reach a suitable position; the telescopic horizontal frame 1.2 can be accurately rotated to the required angle and then locked by the angle ruler 1.3; the length change of the telescopic horizontal frame 1.2 can further adjust the position of the reducer frame 2; rotating the knob 2.3 can make the brake gear 2.2 rotate, driving the reducer rack 2.1 to move axially, and obtain four points on circles of different radii; turning on the infrared transmitter switch, the light will reflect light spots on the hull wall, that is, the center position of the hole and the four points on the hole shape. After marking the position, the hole can be opened in accordance with the construction drawings.

[0037] Preferred embodiment 2

[0038] The ship on-site hole positioning device comprises a fixing frame 3 for fixing the hole positioning device; a telescopic rotating frame 1 with multiple degrees of freedom is arranged on the fixing frame 3; a reducing frame 2 is arranged at one end of the telescopic rotating frame 1; a central light sensor device 5 capable of locating the center position of the hole is arranged at one end of the reducing frame 2; one or more circumferential light sensor devices 6 capable of locating points on the circumference of the hole are arranged on the reducing frame 2; the reducing frame 2 can set the distance from the circumferential light sensor device 6 to the central light sensor device 5 according to the radius of the hole.

[0039] The telescopic rotating frame 1 comprises: a telescopic vertical frame 1.1 capable of adjusting the length of the telescopic rotating frame 1 in the vertical direction and a telescopic horizontal frame 1.2 hinged to one end of the telescopic vertical frame 1.1 capable of adjusting the angle of the reducing frame 2 relative to the horizontal plane.

[0040] The telescopic vertical frame 1.1 and the telescopic horizontal frame 1.2 are hinged and are both cylindrical parts.

[0041] The reducer frame 2 comprises a brake gear 2.2 which is rotatably arranged at one end of the telescopic frame 1.2; the brake gear 2.2 is coaxial with the telescopic frame 1.2; the brake gear 2.2 is provided with a reducer rack 2.1 meshing with the reducer rack 2.1 and a knob 2.3 which drives the brake gear 2.2 to rotate; the knob 2.3 is coaxial with the brake gear 2.2.

[0042] A circumferential light sensor 6 is arranged on the reducer 2; the light emitted by the circumferential light sensor 6 is parallel to the axis of the brake gear 2.2.

[0043] The telescopic rotating frame 1 and the reducing frame 2 are respectively provided with angle measuring devices 1.3 which can accurately measure the rotation angle of the telescopic rotating frame 1 around the axial direction and the rotation angle of the reducing frame 2 relative to the horizontal plane.

[0044] There are four reducing racks 2.1, and the four reducing racks 2.1 have the same shape and size; the four reducing racks 2.1 are L-shaped; two of them are horizontally arranged along the outer ring of the brake gear 2.2, and are parallel to each other and symmetrical around the central axis of the brake gear 2.2; the other two reducing racks 2.1 are vertically arranged along the outer ring of the brake gear 2.2, and are parallel to each other and symmetrical around the central axis of the brake gear 2.2; after the brake gear 2.2 rotates, it drives the reducing racks 2.1 to expand and contract simultaneously relative to the axis of the brake gear 2.2; one end of the four reducing racks 2.1 is respectively provided with a circumferential light sensor device 6, and the light emitted by the circumferential light sensor device 6 is parallel to the axis of the brake gear 2.2 and is equidistant from the axis of the brake gear 2.2; both end surfaces of the brake gear 2.2 are provided with blocking devices to prevent the reducing rack 2.1 from axially moving along the axis of the brake gear 2.2.

[0045] The fixing frame 3 is a switch-type magnetic seat, which can be adsorbed and fixed around the opening.

[0046] The central light sensor device 5 and the circumferential light sensor device 6 are both infrared emitters.

[0047] The angle measuring device 1.3 is an angle ruler, the accuracy of which is less than 1'.

[0048] like Figure 4 As described above, when the design provides an angle value θ, the ship site hole opening positioning device can be adsorbed at a suitable position on the inner deck 8 by manipulating the switch-type magnetic seat 3; the length change of the telescopic stand 1.1 can make the telescopic cross frame 1.2 reach a suitable position; the telescopic cross frame 1.2 can be accurately rotated to the required angle and then locked by the angle ruler 1.3; the length change of the telescopic cross frame 1.2 can further adjust the position of the reducer frame 2; the angle between the telescopic stand 1.1 and the telescopic cross frame 1.2 is adjusted to 90°-θ; rotating the knob 2.3 can make the brake gear 2.2 rotate, drive the reducer rack 2.1 to move axially, and obtain four points on circles of different radii; turn on the infrared transmitter switch, and the light will reflect light spots on the hull wall, that is, the position of the hole center and the four points on the hole shape. After marking the position, the hole can be processed.

[0049] like Figure 5 As described above, when the design provides a net height value H, the on-site hole opening positioning device of the ship can be adsorbed at a suitable position of the inner deck 8 by manipulating the switch-type magnetic seat 3; the length of the telescopic stand 1.1 can make the telescopic cross frame 1.2 reach the inner deck 8 at a vertical distance of H; the angle ruler 1.3 can accurately rotate and adjust the angle between the telescopic stand 1.1 and the telescopic cross frame 1.2 to 90°; rotating the knob 2.3 can make the brake gear 2.2 rotate, driving the variable diameter rack 2.1 to move axially, and obtain four points on circles of different radii; turning on the infrared transmitter switch, the light will reflect light spots on the hull wall, that is, the position of the hole center and the four points on the hole shape. After marking the position, the hole can be processed.

Claims

1. A ship on-site hole opening positioning device, comprising a fixing frame (3) for fixing the hole opening positioning device; characterized in that: A telescopic rotating frame (1) with multiple degrees of freedom is arranged on a fixed frame (3); a diameter reducing frame (2) is arranged at one end of the telescopic rotating frame (1); a central light sensor device (5) capable of locating the center position of an opening circle is arranged at one end of the diameter reducing frame (2); one or more circumferential light sensor devices (6) capable of locating points on the circumference of the opening are arranged on the diameter reducing frame (2); the diameter reducing frame (2) can set the distance from the circumferential light sensor device (6) to the central light sensor device (5) according to the radius of the opening.

2. The ship on-site hole opening positioning device according to claim 1, characterized in that: The telescopic rotating frame (1) comprises: a telescopic vertical frame (1.1) capable of adjusting the length of the telescopic rotating frame (1) in the vertical direction, and a telescopic horizontal frame (1.2) hinged to one end of the telescopic vertical frame (1.1) capable of adjusting the angle of the diameter-changing frame (2) relative to the horizontal plane.

3. The ship on-site hole opening positioning device according to claim 2, characterized in that: The telescopic vertical frame (1.1) and the telescopic horizontal frame (1.2) are hinged and are both cylindrical parts.

4. The ship on-site hole opening positioning device according to claim 3, characterized in that: The variable diameter frame (2) comprises a brake gear (2.2) which is rotatably arranged at one end of the telescopic horizontal frame (1.2); the brake gear (2.2) is coaxial with the telescopic horizontal frame (1.2); the brake gear (2.2) is provided with a variable diameter rack (2.1) meshing with the brake gear (2.2) and a knob (2.3) driving the brake gear (2.2) to rotate; the knob (2.3) is coaxial with the brake gear (2.2).

5. The ship on-site hole opening positioning device according to claim 4, characterized in that: A circumferential light sensor device (6) is arranged on the diameter-changing frame (2); the light emitted by the circumferential light sensor device (6) is parallel to the axis of the brake gear (2.2).

6. The ship on-site hole opening positioning device according to claim 5, characterized in that: The telescopic rotating frame (1) and the diameter reducing frame (2) are respectively provided with angle measuring devices (1.3) capable of accurately measuring the rotation angle of the telescopic rotating frame (1) around the axial direction and the rotation angle of the diameter reducing frame (2) relative to the horizontal plane.

7. The ship on-site hole opening positioning device according to claim 6, characterized in that: There are four variable-diameter racks (2.1), and the four variable-diameter racks (2.1) have the same shape and size; two of the variable-diameter racks (2.1) are horizontally arranged along the outer ring of the brake gear (2.2), and are parallel to each other and symmetrical around the central axis of the brake gear (2.2); the other two variable-diameter racks (2.1) are vertically arranged along the outer ring of the brake gear (2.2), and are parallel to each other and symmetrical around the central axis of the brake gear (2.2); after the brake gear (2.2) rotates, it drives the variable-diameter rack (2.1) to simultaneously extend and retract relative to the axis of the brake gear (2.2); the angle measuring device (1.3) is an angle ruler, and its accuracy is ≤1′.

8. The ship on-site hole opening positioning device according to claim 1 or 7, characterized in that: The fixing frame (3) is a switch-type magnetic seat, which can be adsorbed and fixed around the opening.

9. The ship on-site hole opening positioning device according to claim 8, characterized in that: The central light sensor device (5) and the circumferential light sensor device (6) are both infrared emitters.