CN112025667B - Auxiliary scribing tool and scribing method for outer plate - Google Patents
Auxiliary scribing tool and scribing method for outer plate Download PDFInfo
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- CN112025667B CN112025667B CN202010935069.9A CN202010935069A CN112025667B CN 112025667 B CN112025667 B CN 112025667B CN 202010935069 A CN202010935069 A CN 202010935069A CN 112025667 B CN112025667 B CN 112025667B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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Abstract
The utility model provides an auxiliary scribing tool for an outer plate, which comprises a base, wherein a support is vertically arranged on the base, a movable seat capable of moving up and down is sleeved on the support, and a locking device is arranged on the movable seat; the movable seat is hinged with an adjusting seat capable of being turned up and down, the adjusting seat is hinged with a line laser transmitter capable of being turned left and right, and a turning shaft of the adjusting seat is perpendicular to a turning shaft of the line laser transmitter. According to the utility model, through the cooperation of all components, the overturning angle of the line laser transmitter is regulated, so that the space coordinate system of the line laser transmitter is overlapped or parallel to the space coordinate system of the outer plate mounted on the jig, the projection line of the transmitted laser surface projected on the outer plate is parallel to the rib bit line or the longitudinal bone line, and the projection line is overlapped with two marked intersection points positioned on the same rib bit line or the longitudinal bone line, thereby determining the position of the rib bit line or the longitudinal bone line on the outer plate, reducing the marking number of the intersection points, reducing the labor intensity, avoiding multi-point fitting, and improving the marking efficiency and the marking precision.
Description
Technical Field
The utility model belongs to the field of auxiliary scribing, and particularly relates to an outer plate auxiliary scribing tool and a scribing method thereof.
Background
In the design and construction of a ship body, a ship body space coordinate system is usually established, namely, the ship length direction is an X ' axis, the ship width direction is a Y ' axis, and the height direction is a Z ' axis, and the ship body space coordinate system moves along with the outer plate 6 (namely, the outer plate 6 is turned over, and the ship body space coordinate system is also turned over by the same angle, that is, the ship body space coordinate system is a follow-up coordinate system), and assembly lines (curves such as rib bit lines 3, longitudinal lines 4, horizontal lines and the like) are required to be drawn on the outer plate in the process of constructing a curved surface section of the ship body for installing parts such as rib plates, longitudinal bones and platform plates. At this time, the rib plate on the outer plate is parallel to the Y 'Z' plane (i.e., the rib bit line 3 is parallel to the Y 'Z' plane), the longitudinal rib is parallel to the X 'Z' plane (i.e., the longitudinal rib line 4 is parallel to the X 'Z' plane), and the platform plate is parallel to the X 'Y' plane (i.e., the horizontal line is parallel to the X 'Y' plane). The designer draws an outer plate secondary scribing line according to the positions of parts such as rib plates, longitudinal bones and platform plates to be mounted on the outer plate 6, as shown in fig. 1, the outer plate secondary scribing line is marked with position information of assembly lines such as rib bit lines 3, longitudinal bones 4 and horizontal lines, intersection point coordinates among the assembly lines and intersection point coordinates of the assembly lines and long side lines of the outer plate 6 or short side lines of the outer plate 6, and the worker needs to mark the intersection point coordinates of the assembly lines on the outer plate 6 in sequence through field measurement according to the outer plate secondary scribing line so as to finish scribing on the outer plate 6. In the scribing process, not only a large amount of measurement work is needed to be completed to mark the intersection point coordinates of each assembly line on the outer plate 6, but also intersection point fitting is needed to be carried out through cooperation of a plurality of people to complete scribing of the assembly line, the whole scribing process is large in workload, extremely high in tolerance and careful, and accumulated errors are easy to generate, so that the subsequent sectional installation accuracy is influenced.
The utility model patent number CN201520205015.1, entitled sideboard line drawing tool, discloses a laser line drawing device which is used for obtaining the height line (the height line is a straight line) of a sideboard connecting pipe from a deck and measuring the height allowance. The device cannot be used in the present utility model to solve the above-mentioned technical problems, and the transverse level and the longitudinal level in the patent of the present utility model are used to ensure that the base is in a horizontal state, and the function of the device is completely different from that of the protractor in the present utility model.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an auxiliary scribing tool for an outer plate and a scribing method thereof, wherein a laser surface emitted by a strut, a movable seat, an adjusting seat and a line laser emitter are projected onto the outer plate in a matching manner, so that a projection line coincides with two intersection points marked on the same rib bit line or coincides with two intersection points marked on the same longitudinal line, thereby determining the position of the rib bit line or the longitudinal line on the outer plate, completing scribing of the rib bit line and/or the longitudinal line, and then moving the device of the present utility model to determine the positions of all the rib bit lines and/or the longitudinal lines, completing scribing of the outer plate, reducing the number of intersection points, reducing labor intensity, improving the fitting efficiency of the rib bit line and/or the longitudinal line, and improving the scribing efficiency and scribing precision; meanwhile, the horizontal protractor and the vertical protractor are arranged, so that a user can conveniently and rapidly adjust the coincidence or parallelism of the space coordinate system of the line laser transmitter and the space coordinate system of the outer plate hull according to the inclination angle marked by the outer plate jig frame image, and the scribing efficiency is improved.
In order to achieve the above and other related objects, the utility model provides an auxiliary scribing tool for an outer plate, which comprises a base, wherein a support is vertically arranged on the base, a movable seat capable of moving up and down is sleeved on the support, and a locking device capable of fixing the movable seat on the support is arranged on the movable seat; the adjustable seat is hinged with an adjusting seat capable of being turned back and forth, the adjusting seat is hinged with a line laser transmitter capable of being turned left and right, and a turning shaft of the adjusting seat is perpendicular to a turning shaft of the line laser transmitter. According to the utility model, the turnover angle of the line laser transmitter is adjusted by matching the movable seat, the adjusting seat and the line laser transmitter, so that the self space coordinate system of the line laser transmitter is overlapped or parallel with the self space coordinate system of the outer plate arranged on the jig, the laser surface emitted by the line laser transmitter is ensured to be parallel with the rib plate or the longitudinal bone, the emitted laser surface is projected on the outer plate to obtain the laser projection line which is parallel with the rib bit line or the longitudinal bone line, and the projection line is overlapped with two marked intersection points positioned on the same rib bit line or overlapped with two marked intersection points positioned on the same longitudinal bone line, thereby determining the position of the rib bit line or the longitudinal bone line on the outer plate, completing the marking of the rib bit line and/or the longitudinal bone line, reducing the marking number of the intersection points, reducing the labor intensity, eliminating the need of multi-point fitting and improving the marking efficiency and marking precision; meanwhile, the horizontal protractor and the vertical protractor are arranged, so that a user can conveniently and rapidly adjust the turning angle of the line laser transmitter according to the turning angle marked by the outer plate jig frame diagram.
Preferably, the auxiliary scribing tool for the outer plate further comprises a first protractor and a second protractor which are perpendicular to each other, wherein the protractor center of the first protractor is positioned on an axis extension line of the turning shaft of the line laser transmitter, and the protractor center of the second protractor is positioned on an axis extension line of the turning shaft of the adjusting seat, so that the turning angle of the line laser transmitter can be conveniently adjusted.
Preferably, the adjusting seat comprises a horizontal adjusting seat and a vertical adjusting seat; the movable seat is close to the vertical hinge seat and is equipped with vertical hinge seat on the lateral wall of vertical regulation seat, it has the first hinge hole that runs through vertical hinge seat left and right walls to open on the vertical hinge seat, vertical regulation seat is the L type, and is equipped with the second hinge hole with first hinge hole complex on the horizontal part of vertical regulation seat, be equipped with in first hinge hole, the second hinge hole and articulate vertical hinge seat and the second round pin axle that is in the same place to adjust the seat and overturn about the movable seat.
Preferably, the top of the line laser transmitter is provided with a left hinging seat and a right hinging seat, the top of the left hinging seat and the right hinging seat are provided with a plurality of first convex blocks at intervals, each first convex block is provided with a first shaft hole penetrating through the front wall and the rear wall of the first convex block, and the first shaft holes on the first convex blocks are concentrically arranged; the bottom of the horizontal adjusting seat is provided with a plurality of second protruding blocks which can be embedded between two adjacent first protruding blocks, each second protruding block is provided with a second shaft hole matched with the first shaft hole, and first pin shafts which are used for hinging the left and right hinging seats and the horizontal adjusting seat together are arranged in the first shaft hole and the second shaft hole so as to realize left and right overturning of the line laser transmitter relative to the adjusting seat.
Preferably, the first protractor is arranged on the vertical adjusting seat, the first protractor is positioned between the vertical adjusting seat and the line laser transmitter, and the protractor center of the first protractor is positioned on the axis extension line of the first pin shaft; the left wall of the vertical hinging seat is provided with a second protractor, and the protractor center of the second protractor is positioned on the axis extension line of the second pin shaft, so that the overturning angle of the line laser transmitter can be conveniently adjusted.
Preferably, a guide sleeve is arranged on the movable seat, a threaded hole is formed in the guide sleeve, and the locking device comprises a fastening screw matched with the threaded hole, so that after the movable seat reaches a preset height, the movable seat and the support column are relatively fixed through the fastening screw.
Preferably, the base comprises two horizontal struts which are arranged in a crossing manner, and diagonal braces are arranged between the base and the struts so as to ensure the stability of the device.
The utility model also provides an outer plate scribing method, which adopts the outer plate auxiliary scribing tool to scribe the outer plate, and comprises the following steps:
a. arranging the outer plate on a jig frame, and marking two points on the same rib bit line on the outer plate according to a secondary drawing of the outer plate;
b. placing the device on an XY plane of a geodetic space coordinate system, enabling a second pin shaft to be parallel to an X axis, enabling a first pin shaft to be parallel to a Y axis, enabling projection lines of a laser surface emitted by a line laser emitter on the XY plane of the geodetic space coordinate system to be coincident with or parallel to the Y axis, and obtaining a transverse inclination angle alpha and a longitudinal inclination angle beta required by normal overturning of an outer plate marked in a jig frame diagram to a laying position;
c. the movable seat is fixed on the support post after being lifted to a preset height, then the adjusting seat is rotated by alpha degrees around the second pin shaft, then the line laser emitter is rotated by beta degrees around the first pin shaft, the device is moved until the laser projection line of the laser surface emitted by the line laser emitter on the outer plate is overlapped with two points which are marked in advance and are positioned on the same rib bit line, and the laser projection line is marked on the outer plate.
Further, the method comprises the following steps:
d. arranging the outer plate on a jig frame, and marking two points on the same longitudinal line on the outer plate according to a secondary line drawing of the outer plate;
e. placing the device on an XY plane of a geodetic space coordinate system, enabling a second pin shaft to be parallel to an X axis, enabling a projection line of a laser surface emitted by a line laser emitter on the XY plane of the geodetic space coordinate system to be coincident with or parallel to the X axis, and then obtaining a transverse inclination angle alpha and a longitudinal inclination angle beta required by an outer plate marked in a jig frame diagram to be overturned from a normal position to a laying position;
f. the movable seat is fixed on the support post after being lifted to a preset height, then the adjusting seat is rotated by alpha degrees around the second pin shaft, then the line laser emitter is rotated by beta degrees around the first pin shaft, the device is moved until the laser projection line of the laser surface emitted by the line laser emitter on the outer plate is overlapped with two points which are marked in advance and are positioned on the same longitudinal line, and the longitudinal line marking is completed by marking the laser projection line on the outer plate.
As described above, the auxiliary scribing tool and the scribing method for the outer plate have the following beneficial effects:
according to the utility model, through the hinging of the movable seat and the adjusting seat and the hinging of the line laser emitter and the adjusting seat, the turning angle of the line laser emitter is adjusted, so that the self space coordinate system of the line laser emitter is overlapped or parallel with the self space coordinate system of the outer plate arranged on the jig, the laser surface emitted by the line laser emitter is parallel with the rib plate or the longitudinal bone, the emitted laser surface is projected on the outer plate to obtain the laser projection line parallel with the rib bit line or the longitudinal bone line, and the projection line is overlapped with the two marked intersection points positioned on the same rib bit line or the two marked intersection points positioned on the same longitudinal bone line, thereby determining the position of the rib bit line or the longitudinal bone line on the outer plate, finishing the marking of the rib bit line and/or the longitudinal bone line, reducing the marking number of the intersection points, reducing the labor intensity, eliminating the need of multi-point fitting and improving the marking efficiency and marking precision; meanwhile, the horizontal protractor and the vertical protractor are arranged, so that a user can conveniently and rapidly adjust the turning angle of the line laser transmitter according to the inclination angle marked by the outer plate jig frame diagram.
Drawings
FIG. 1 is a secondary line drawing of an outer panel in the present utility model.
Fig. 2 is a view of an outer panel jig in the present utility model.
Fig. 3 is a top view of laser projection lines on an outer plate.
Fig. 4 is a perspective view of an auxiliary scribing tool for an outer plate.
Fig. 5 is a right side view of the auxiliary scribing tool for the outer plate.
Fig. 6 is a perspective view of the de-seating and protractor of fig. 4.
Fig. 7 is a perspective exploded view of the adjustment block, line laser transmitter and vertical hinged block of the present utility model.
Fig. 8 is a top view of a base in the present utility model.
Fig. 9 is a right side view of the adjusting seat of the present utility model.
Fig. 10 is a front view of the post of the present utility model.
Fig. 11 is a front view of a first protractor according to the present utility model.
Fig. 12 is a right side view of a second protractor of the present utility model.
Description of the reference numerals
Long side reference line 1, short side reference line 2, rib bit line 3, longitudinal line 4, jig frame post 5, outer panel 6, laser projection line 7, base 100, horizontal strut 100a, diagonal strut 110, post 200, movable base 300, guide bush 310, fastening screw 311, vertical hinge base 320, first hinge hole 320a, adjustment base 400, horizontal adjustment base 410, second bump 411, second shaft hole 411a, vertical adjustment base 420, second hinge hole 420a, line laser transmitter 500, left and right hinge base 510, first bump 511, first shaft hole 511a, first protractor 610a, second protractor 610b, first pin 700a, second pin 700b.
Description of the embodiments
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 12. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
As shown in fig. 1, the outer panel secondary scribing chart is generated by software, which sets a long side datum line 1 and a short side datum line 2 by taking the long side and the short side of the outer panel 6 as datum lines, and then draws the positions of assembly lines such as a rib bit line 3, a longitudinal bone line 4 and a horizontal line (marked by taking the long side datum line 1 and the short side datum line 2 as datum marks) according to the actual installation positions of the rib plate, the longitudinal bone and the flat plate on the outer panel, so as to obtain intersection coordinates of each assembly line and intersection coordinates of each assembly line, the long side of the outer panel and the short side of the outer panel, and the constructors can conveniently mark the intersection coordinates on the outer panel 6 for fitting scribing.
As shown in fig. 2, in order to mount the rib plate, the longitudinal rib and the platform plate on the outer plate 6, the outer plate 6 needs to be turned by an angle of alpha around the X 'axis of the space coordinate system of the hull of the outer plate according to the outer plate bed-jig diagram of fig. 2, then turned by an angle of beta around the Y' axis of the space coordinate system of the hull of the outer plate 6, the outer plate 6 is turned from a normal position to a laying position and then positioned on the bed-jig support column 5, the bed-jig support column 5 is vertically arranged on the XY plane of the space coordinate system of the earth (the normal position refers to the position of the outer plate 6 mounted on the ship, the laying position refers to the position of the mounting face for mounting the rib plate and the longitudinal rib plate upwards), when the outer plate 6 is in the normal position, the space coordinate system of the hull of the outer plate 6 is overlapped or parallel with the space coordinate system of the earth, and the space coordinate system of the hull of the outer plate 6 is turned over during the turning process, and the space coordinate system of the hull of the outer plate is kept unchanged all the time.
As shown in fig. 4 to 12, an outer panel auxiliary scribing tool of the present utility model is used for assisting an outer panel 6 to scribe a rib bit line 3, and comprises a base 100, wherein a pillar 200 is vertically arranged on the base 100, in this embodiment, the base 100 comprises two horizontal struts 100a which are arranged to intersect each other, and a diagonal strut 110 is arranged between the base 100 and the pillar 200 to increase stability of the pillar 200; the support column 200 is sleeved with a movable seat 300 capable of moving up and down, and a locking device capable of fixing the movable seat 300 on the support column 200 is arranged on the movable seat 300; the movable seat 300 is hinged with an adjusting seat 400 capable of being turned up and down, the adjusting seat 400 is hinged with a line laser emitter 500 capable of being turned left and right, and a turning shaft of the adjusting seat 400 is perpendicular to the turning shaft of the line laser emitter 500. In use, the movable mount 300 is adjusted to a predetermined height so that the line laser emitter 500 is higher than the outer plate 6 mounted on the jig support 5, so that laser projection lines 7 are obtained on the mounting surface on the outer plate 6.
As shown in fig. 4 to 9, the adjusting seat 400 is 7-shaped, and the adjusting seat 400 includes a horizontal adjusting seat 410 and a vertical adjusting seat 420; the movable seat 300 is provided with a vertical hinge seat 320 on the side wall close to the vertical adjustment seat 420, the vertical hinge seat 320 is provided with a first hinge hole 320a penetrating through the left wall and the right wall of the vertical hinge seat 320, the vertical adjustment seat 420 is L-shaped, the horizontal part of the vertical adjustment seat 420 is provided with a second hinge hole 420a matched with the first hinge hole 320a, and the first hinge hole 320a and the second hinge hole 420a are internally provided with a second pin 700b for hinging the vertical hinge seat 320 and the vertical adjustment seat 420 together.
As shown in fig. 4 to 9, the top of the line laser transmitter 500 is provided with a left hinge seat 510 and a right hinge seat 510, the top of the left hinge seat 510 is provided with a plurality of first protruding blocks 511 at intervals, and two adjacent first protruding blocks 511 and the top of the left hinge seat 510 form a groove; each first bump 511 is provided with a first shaft hole 511a penetrating through the front wall and the rear wall of the first bump 511, and the first shaft holes 511a on each first bump 511 are concentrically arranged; the bottom of the horizontal adjustment seat 410 is provided with a plurality of second protruding blocks 411 capable of being embedded into grooves between two adjacent first protruding blocks 511, each second protruding block 411 is provided with a second shaft hole 411a matched with the first shaft hole 511a, and the first shaft holes 511a and the second shaft holes 411a are internally provided with first pin shafts 700a for hinging the left and right hinging seats 510 with the horizontal adjustment seat 410.
As shown in fig. 4, 5, 11 and 12, the first protractor 610a is disposed on the vertical adjustment seat 420, and the first protractor 610a is located between the vertical adjustment seat 420 and the line laser transmitter 500, and the protractor center of the first protractor 610a is located on the axis extension line of the first pin 700 a; the left wall of the vertical hinge seat 320 is provided with a second protractor 610b, and the protractor center of the second protractor 610b is located on the axis extension line of the second pin 700b, so as to facilitate the adjustment of the turning angle.
As shown in fig. 8, the movable seat 300 is provided with a guide sleeve 310, the guide sleeve 310 is provided with a threaded hole, and the locking device comprises a fastening screw 311 matched with the threaded hole.
As shown in fig. 10, the pillar 200 is provided with graduations for adjusting the height position of the movable seat 300 to be higher than the outer panel 6 mounted on the jig frame pillar 5 for obtaining laser projection lines 7 on the mounting surface of the outer panel 6.
In the initial state, the line laser transmitter 500 transmits the laser surface downward (the cross section of the laser surface is a straight line) so as to be perpendicular to the ground space coordinate system XY surface, and then the adjusting seat 400 and the line laser transmitter 500 are turned over so that the space coordinate system of the line laser transmitter 500 coincides with or is parallel to the hull space coordinate system of the outer plate 6 on the bed support 5.
The following provides an outer plate scribing method, which adopts the outer plate auxiliary scribing tool to scribe an outer plate, and comprises the following steps:
a. arranging the outer plate 6 on a jig frame, and marking two points on the same rib bit line 3 on the outer plate 6 according to an outer plate secondary drawing;
in the present embodiment, two points on the same rib bit line are the intersection of the rib bit line 3 and the longitudinal rib line 4 or the intersection of the rib bit line 3 and the long side line of the outer panel 6.
b. Placing the device on an XY plane of a geodetic space coordinate system, enabling a second pin 700b to be parallel to an X axis, enabling a first pin 700a to be parallel to a Y axis, enabling projection lines of a laser plane emitted by a line laser emitter 500 on the XY plane of the geodetic space coordinate system to coincide with or be parallel to the Y axis, and obtaining a transverse inclination angle alpha and a longitudinal inclination angle beta required by an outer plate 6 marked in a jig frame diagram to be overturned from a normal position to a laying position;
c. after the movable base 300 is lifted to a preset height, the movable base 300 is fixed on the support column 200, then the adjusting base 400 is rotated for alpha degrees around the second pin shaft 700b, then the line laser emitter 500 is rotated for beta degrees around the first pin shaft 700a, the device is moved until the laser projection line 7 of the laser emitted by the line laser emitter 500 on the outer plate 6 coincides with two points which are marked in advance and are positioned on the same rib bit line 3, and the laser projection line 7 is marked on the outer plate 6.
In this embodiment, the line laser emitter 500 emits a row of laser beams, the row of laser beams together form a laser surface (when the plane of the laser beam is projected on an object perpendicular to the laser surface, the projection line is a straight line or a curved line), the emission angle of the line laser is adjusted so that the projection line of the laser surface emitted by the line laser emitter 500 on the XY plane of the geodetic space coordinate system coincides with or is parallel to the Y axis, then the line laser emitter 500 is turned according to the required transverse inclination angle α and longitudinal inclination angle β of the outer plate 6 from the normal turning placement position, so that the self coordinate system of the line laser emitter 500 coincides with or is parallel to the self coordinate system of the outer plate 6 in the placement position, thereby making the laser surface parallel to the rib plate to be installed, and at this time, the laser projection line 7 of the laser surface on the outer plate must be parallel to the rib bit line 3, so as to scribe the rib bit line 3 to the outer plate 6 in the placement position.
Further, the method comprises the following steps:
d. arranging the outer plate 6 on a jig frame, and marking two points on the same longitudinal bone line 4 on the outer plate 6 according to an outer plate secondary line drawing;
in the present embodiment, two points on the same longitudinal line 4 are the intersection point of the rib bit line 3 and the longitudinal line 4 or the intersection point of the longitudinal line 4 and the short edge line of the outer panel 6.
e. Placing the device on an XY plane of a geodetic space coordinate system, enabling a second pin 700b to be parallel to an X axis, enabling a first pin 700a to be parallel to a Y axis, enabling projection lines of a laser plane emitted by a line laser emitter 500 on the XY plane of the geodetic space coordinate system to coincide with the X axis or be parallel to the X axis, and then obtaining a transverse inclination angle alpha and a longitudinal inclination angle beta required by an outer plate 6 marked in a jig frame diagram to be overturned from a normal position to a laying position;
f. after the movable seat 300 is lifted to a preset height, the movable seat 300 is fixed on the support column 200, then the adjusting seat 400 is rotated by alpha degrees around the second pin shaft 700b, then the line laser emitter 500 is rotated by beta degrees around the first pin shaft 700a, the device is moved until the laser projection line 7 of the laser surface emitted by the line laser emitter 500 on the outer plate 6 is overlapped with two points which are marked in advance and are positioned on the same longitudinal line 4, and the laser projection line 7 is marked on the outer plate 6 to complete the marking of the longitudinal line 4.
In this embodiment, the line laser emitter 500 emits a row of laser beams, the row of laser beams together form a laser surface (when the plane of the laser beam is projected on an object perpendicular to the laser surface, the projection line is a straight line or a curved line), the emission angle of the laser surface is adjusted so that the projection line of the laser surface emitted by the line laser emitter 500 on the XY plane of the geodetic space coordinate system coincides with or is parallel to the Y axis, then the line laser emitter 500 is turned according to the required transverse inclination angle α and the longitudinal inclination angle β of the outer plate 6 from the normal turning placement position, so that the coordinate system of the line laser emitter 500 coincides with or is parallel to the coordinate system of the outer plate 6 in the placement position, thereby making the laser surface parallel to the longitudinal bone to be installed, and at this time, the laser projection line 7 of the laser surface on the outer plate must be parallel to the longitudinal bone line 4, so as to score the longitudinal bone line 4 to the outer plate 6 in the placement position.
In this embodiment, the preset height refers to that the movable seat 300 is higher than the outer plate 6 mounted on the outer plate jig frame, taking the rib scribing bit line 3 as an example, by rotating the adjusting seat 400 around the second pin 700b by α degrees and then rotating the line laser emitter 500 around the first pin 700a by β degrees, it is ensured that the laser surface emitted by the line laser emitter 500 is parallel to the rib plate mounted on the outer plate 6, so that the laser projection line 7 of the laser surface emitted by the line laser emitter 500 on the outer plate 6 is parallel to the rib bit line 3, as shown in fig. 3, the device of the present utility model is moved along the X axis of the geodetic space coordinate system until the laser projection line 7 coincides with two points (E point and F point in fig. 3) on the same rib bit line 3 in advance, and then the position of the rib bit line 3 (the laser projection line 7 is the determined rib bit line in fig. 3) can be determined on the outer plate 6, and all the rib bit line 3 can be scribed.
In summary, according to the auxiliary scribing tool for the outer plate and the scribing method thereof provided by the utility model, through the hinging of the movable seat and the adjusting seat and the hinging of the line laser emitter and the adjusting seat, the overturning angle of the line laser emitter is adjusted, so that the self space coordinate system of the line laser emitter is overlapped or parallel to the self space coordinate system of the outer plate arranged on the jig, the laser surface emitted by the line laser emitter is parallel to the rib plate or the longitudinal bone, the emitted laser surface is projected on the outer plate to obtain the laser projection line parallel to the rib bit line or the longitudinal bone, and the projection line is overlapped with two marked intersection points positioned on the same rib bit line or overlapped with two marked intersection points positioned on the same longitudinal bone line, thereby determining the position of the rib bit line or the longitudinal bone line on the outer plate, finishing scribing of the rib bit line and/or the longitudinal bone line, reducing the marking number of the intersection points, reducing the labor intensity, and improving the scribing efficiency and scribing precision without multiple points; meanwhile, the horizontal protractor and the vertical protractor are arranged, so that a user can conveniently and rapidly adjust the turning angle of the line laser transmitter according to the inclination angle marked by the outer plate jig frame diagram, and the scribing efficiency is improved.
In summary, the present utility model effectively overcomes the various disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. The outer plate scribing method is characterized in that the outer plate scribing assisting tool comprises a base (100), a support column (200) is vertically arranged on the base (100), a movable seat (300) capable of moving up and down is sleeved on the support column (200), and a locking device capable of fixing the movable seat (300) on the support column (200) is arranged on the movable seat (300); an adjusting seat (400) capable of turning up and down is hinged on the movable seat (300), a line laser emitter (500) capable of turning left and right is hinged on the adjusting seat (400), and a turning shaft of the adjusting seat (400) is perpendicular to a turning shaft of the line laser emitter (500); the adjusting seat (400) comprises a horizontal adjusting seat (410) and a vertical adjusting seat (420); the movable seat (300) is provided with a vertical hinging seat (320) on the side wall close to the vertical adjusting seat (420), the vertical hinging seat (320) is provided with a first hinging hole (320 a) penetrating through the left wall and the right wall of the vertical hinging seat (320), the vertical adjusting seat (420) is L-shaped, the horizontal part of the vertical adjusting seat (420) is provided with a second hinging hole (420 a) matched with the first hinging hole (320 a), and the first hinging hole (320 a) and the second hinging hole (420 a) are internally provided with a second pin shaft (700 b) hinging the vertical hinging seat (320) and the vertical adjusting seat (420) together; the top of the line laser transmitter (500) is provided with a left hinging seat (510), a plurality of first convex blocks (511) are arranged at intervals at the top of the left hinging seat (510), each first convex block (511) is provided with a first shaft hole (511 a) penetrating through the front wall and the rear wall of the first convex block (511), and the first shaft holes (511 a) on each first convex block (511) are concentrically arranged; the bottom of the horizontal adjusting seat (410) is provided with a plurality of second protruding blocks (411) which can be embedded between two adjacent first protruding blocks (511), each second protruding block (411) is provided with a second shaft hole (411 a) matched with the first shaft hole (511 a), and first pin shafts (700 a) for hinging the left hinging seat (510) with the horizontal adjusting seat (410) are arranged in the first shaft holes (511 a) and the second shaft holes (411 a); the outer plate scribing method comprises the following steps:
a. arranging an outer plate (6) on a jig frame, and marking two points on the same rib bit line (3) on the outer plate (6) according to an outer plate secondary drawing;
b. placing an outer plate auxiliary scribing tool on an XY plane of a ground space coordinate system, enabling a second pin shaft (700 b) to be parallel to an X axis, enabling a first pin shaft (700 a) to be parallel to a Y axis, enabling projection lines of a laser surface emitted by a line laser emitter (500) on the XY plane of the ground space coordinate system to be coincident with or parallel to the Y axis, and then obtaining a transverse inclination angle alpha and a longitudinal inclination angle beta required by the outer plate (6) marked in a jig frame diagram to be overturned from a normal state to a laying position;
c. after the movable seat (300) is lifted to a preset height, the movable seat is fixed on the support column (200), then the adjusting seat (400) rotates by alpha degrees around the second pin shaft (700 b), then the line laser emitter (500) rotates by beta degrees around the first pin shaft (700 a), the outer plate auxiliary scribing tool is moved until a laser projection line (7) of a laser surface emitted by the line laser emitter (500) on the outer plate (6) coincides with two points which are marked in advance and are positioned on the same rib bit line (3), and the laser projection line (7) is marked on the outer plate (6) to finish rib bit line scribing.
2. The outer plate scribing method according to claim 1, wherein the outer plate auxiliary scribing tool further comprises a first protractor (610 a) and a second protractor (610 b) which are perpendicular to each other, wherein the protractor center of the first protractor (610 a) is positioned on an axis extension line of the turning shaft of the line laser transmitter (500), and the protractor center of the second protractor (610 b) is positioned on an axis extension of the turning shaft of the adjusting seat (400).
3. The outer panel scribing method according to claim 2, wherein the first protractor (610 a) is disposed on the vertical adjustment seat (420), and the first protractor (610 a) is located between the vertical adjustment seat (420) and the line laser transmitter (500), and a protractor center of the first protractor (610 a) is located on an axis extension line of the first pin shaft (700 a); the left wall of the vertical hinging seat (320) is provided with a second protractor (610 b), and the protractor center of the second protractor (610 b) is positioned on the axis extension line of the second pin shaft (700 b).
4. The method for scribing an outer plate according to claim 1, wherein a guide sleeve (310) is provided on the movable base (300), a threaded hole is provided on the guide sleeve (310), and the locking device comprises a fastening screw (311) matched with the threaded hole.
5. The outer panel scribing method according to claim 1, wherein the base (100) includes two horizontal struts (100 a) disposed to intersect each other, and diagonal struts (110) are disposed between the base (100) and the struts (200).
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| CN202010935069.9A CN112025667B (en) | 2020-09-08 | 2020-09-08 | Auxiliary scribing tool and scribing method for outer plate |
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| CN202010935069.9A CN112025667B (en) | 2020-09-08 | 2020-09-08 | Auxiliary scribing tool and scribing method for outer plate |
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| CN112025667B true CN112025667B (en) | 2023-05-12 |
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| CN113280796B (en) * | 2021-05-25 | 2023-03-14 | 江南造船(集团)有限责任公司 | Method for surveying inclined plane corrugated axis of MARK III type cargo tank |
| CN113277031B (en) * | 2021-06-15 | 2022-07-05 | 江南造船(集团)有限责任公司 | Rapid building method for lower water tank section of ship |
| CN113799086B (en) * | 2021-09-14 | 2023-03-14 | 江南造船(集团)有限责任公司 | Design expansion method of small tool |
| CN113878558A (en) * | 2021-10-28 | 2022-01-04 | 云南通衢工程检测有限公司 | Dividing instrument |
| CN113927564A (en) * | 2021-11-08 | 2022-01-14 | 沪东中华造船(集团)有限公司 | Rib plate allowance line scribing method and portable rib plate allowance line scribing device |
| CN114802646B (en) * | 2022-04-24 | 2023-05-12 | 广船国际有限公司 | Method for installing hinge seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2382409B (en) * | 2001-11-22 | 2005-07-06 | Christopher Richardson | Marking out or cutting device |
| CN2808377Y (en) * | 2005-08-12 | 2006-08-23 | 赵赫 | Drill press located by laser coordinate |
| CN202350789U (en) * | 2011-12-17 | 2012-07-25 | 中铁十七局集团电气化工程有限公司 | Laser radioactive beam monitor |
| CN204525433U (en) * | 2015-03-30 | 2015-08-05 | 江南造船(集团)有限责任公司 | Side plate setting-out frock |
| CN106289064B (en) * | 2016-10-18 | 2019-10-22 | 上海船舶工艺研究所 | A kind of portable boat rib of slab bit line detection device |
| CN107116529B (en) * | 2017-06-07 | 2020-03-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Laser positioning scribing device and scribing method thereof |
| CN107813279A (en) * | 2017-10-30 | 2018-03-20 | 烟台杰瑞石油装备技术有限公司 | A kind of autoset road marking and scribble method |
| CN210307783U (en) * | 2019-05-22 | 2020-04-14 | 天津衡信建筑工程试验有限公司 | Scribing instrument |
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