CN110450922B

CN110450922B - Hull strutting arrangement and bed-jig

Info

Publication number: CN110450922B
Application number: CN201910741109.3A
Authority: CN
Inventors: 包兴先; 郭进; 黄哲敏
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2022-04-05
Anticipated expiration: 2039-08-12
Also published as: CN110450922A

Abstract

The invention discloses a ship body supporting device and a moulding bed, which comprise a telescopic rod, wherein a first connecting plate is arranged at the top end of the telescopic rod, a second connecting plate is matched with the first connecting plate through a hinge, a supporting plate is arranged at one end, far away from the first connecting plate, of the second connecting plate, the hinge is used for adjusting an included angle between the supporting plate and a ship body to be supported to enable the supporting plate to be in surface contact with the ship body to be supported, and the telescopic rod is used for supporting the ship body through the supporting plate.

Description

Hull strutting arrangement and bed-jig

Technical Field

The application relates to the field of ship manufacturing, in particular to a ship body supporting device and a moulding bed.

Background

The jig frame is a shape jig film and a workbench for manufacturing a curved surface section and a curved three-dimensional section of the ship body, and the ship body is supported at multiple points through a plurality of supporting pieces, so that each section of the ship body is ensured to obtain correct linearity, and the deformation of each section in the welding process is controlled.

The inventor finds that the types of the existing tire frames mainly comprise single-plate type tire frames, truss type tire frames, frame type movable type tire frames and sleeve type tire frames; however, the existing moulding bed is mostly in point and line contact, the contact stress of the contact part is large, the paint on the surface of the ship body section is easy to damage, and the outer plate of the ship shell can be damaged in serious cases; moreover, the single-plate type jig frame and the truss type jig frame are welded and can only be used once, and the single-plate type jig frame and the truss type jig frame cannot be suitable for ship bodies with different sections and different specifications; although the frame-type movable jig frame and the sleeve-type jig frame can be adjusted and reused, the attachment of the full supporting position is difficult to ensure when the frame-type movable jig frame and the sleeve-type jig frame are in contact with a ship body, the stress condition of each supporting point is difficult to determine, the position of each supporting point must be adjusted manually, the adjusting and supporting process of the ship body is complicated, and efficient stable support cannot be achieved.

Disclosure of Invention

The utility model provides a hull strutting arrangement and bed-jig to the defect that prior art exists, provides a hull strutting arrangement and bed-jig, supports through contact plate laminating hull, fixed plate application of force, makes to form the face contact between whole backup pad and the hull, and cooperation telescopic link and ratchet can freely adjust orientation and height of backup pad to realize the quick adjustment backup pad gesture, carry out the effect of stable support to the hull.

The first purpose of this application is to provide a hull strutting arrangement, adopts following technical scheme:

the utility model provides a hull strutting arrangement, includes the telescopic link, first connecting plate is installed on the top of telescopic link, first connecting plate has the second connecting plate through the hinge fit, the backup pad is installed to the one end that first connecting plate was kept away from to the second connecting plate, the hinge is used for adjusting the backup pad and treats that the contained angle that supports the hull makes the backup pad with treat that to support the hull be face contact, the telescopic link is used for supporting the hull through the backup pad.

Further, the hinge is matched with a ratchet mechanism, and the ratchet mechanism is used for intermittently adjusting and locking the included angle between the first connecting plate and the second connecting plate.

Further, the ratchet mechanism is matched with a driving mechanism, and the driving mechanism is used for driving the second connecting plate to rotate relative to the first connecting plate.

Furthermore, the ratchet mechanism is provided with two pawls matched with the ratchet wheel, the two pawls are respectively arranged at two ends of one diameter of the ratchet wheel, and the pawls are used for intermittently locking the ratchet wheel.

Further, the supporting plate comprises a contact plate and a fixing plate which are connected with each other, the contact plate is connected with the second connecting plate through the fixing plate, and the contact plate is used for adhering to the outer surface of the ship body and supporting the ship body;

the contact plate is a plate made of elastic materials and can be attached to the outer surface of the non-planar ship body through deformation, so that the contact plate is in surface contact with the outer surface of the ship body, the pressure bearing area is increased, and the pressure intensity is reduced.

Further, the supporting plate is provided with a distance sensor, and the distance sensor is used for measuring the distance between the supporting plate and the outer surface of the ship body.

Furthermore, the distance sensors are arranged in a central symmetry mode relative to the center of the supporting plate.

Furthermore, be equipped with first floor between first connecting plate and the telescopic link for improve the side direction support ability of first connecting plate, be equipped with the second floor between second connecting plate and the backup pad, be used for improving the side direction support ability of second connecting plate.

The second invention of the application aims to provide a ship body jig frame, which adopts the following technical scheme:

the novel ship support is characterized by comprising a support, wherein a plurality of mounting holes arranged in an array mode are formed in the support, the ship support devices are matched with the mounting holes and are respectively used for being attached to different positions of a ship body and supporting the ship body.

Further, still include control module and pressure sensor, control module is respectively with actuating mechanism, distance sensor, telescopic link, pressure sensor electricity federation, pressure sensor installs the bottom of hull strutting arrangement telescopic link for detect the pressure that hull strutting arrangement bore, control module is used for realizing the face contact support of backup pad and hull through acquireing distance sensor information and adjusting telescopic link and actuating mechanism, and can realize the even atress of each telescopic link according to the length of the different telescopic links of pressure sensor's distribution condition regulation.

Compared with the prior art, the application has the advantages and positive effects that:

(1) the contact plate is matched with the fixing plate, the elastic surface is contacted with the hull, the fixing plate applies supporting force to the hull through the contact plate, and compared with the traditional method that the hull is supported through point and line contact, the supporting force applied to the hull by the supporting plate is more uniform, the pressure intensity of a concentrated point is reduced, the problem that the plate on the outer surface of the hull section deforms due to extrusion is avoided, and therefore paint damage to the outer surface of the hull section is avoided;

(2) the elastic contact plate is adopted to support the ship body, when the outer surface of the ship body has curvature or unevenness, the supporting force can be uniformly applied to the outer surface of the ship body according to the change of the shape applicability of the outer surface, the limitation of the curvature of the segments is avoided, and the adaptability of the whole device to different segments of ship bodies is improved;

(3) the ratchet mechanism adjusts and limits an included angle between the first connecting plate and the second connecting plate, and two pawl structures are adopted for locking while the angle adjustment is met, so that the locking mechanism is suitable for stably locking a heavy structure of a ship body, and the problem that the included angle between the first connecting plate and the second connecting plate cannot be maintained due to insufficient pawl limiting force is solved;

(4) the driving device and the distance sensor are matched with the controller, so that the angle of the supporting plate can be reasonably adjusted, the distances from different positions to the ship body can be judged, the rotation of the driving device is adjusted, the supporting plate and the outer surface of the ship body tend to be parallel, the supporting plate and the outer surface of the ship body can be accurately attached, and the elastic contact plate can adapt to certain angle deviation, so that the error of the distance sensor in measuring a curved surface can be compensated, and the effect of comprehensively attaching and carrying out surface contact support can be finally achieved;

(5) the ship body supporting devices arranged in an array manner can support the bottom and the side of the outer surface of the ship body in an all-around manner, and the ship body is stably supported by uniform force application of the ship body supporting devices, so that the problem of extrusion deformation caused by stress concentration is solved;

(6) the pressure sensor is adopted to collect the pressure applied to each telescopic rod, the structural strength of the contact position of the ship body and the supporting device is combined, and the oil pressure is readjusted on the excessive stress position, so that the ship body at each supporting plate can be reasonably stressed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic overall structure diagram of embodiment 1 of the present application;

FIG. 2 is a schematic structural view of a hinge position according to embodiment 1 of the present application;

fig. 3 is a schematic structural view of a stent according to embodiment 2 of the present application.

Wherein: 1. the telescopic rod, 2, first connecting plate, 3, second connecting plate, 4, hinge, 5, backup pad, 6, distance sensor, 7, ratchet, 8, support, 9, first floor, 10, second floor, 501, fixed plate, 502, contact plate.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.

As introduced in the background art, the prior art moulding bed is mostly in point and line contact, the contact stress of the contact part is large, the paint on the surface of the ship body segment is easy to damage, and the outer plate of the ship shell can be damaged in serious cases; moreover, the single-plate type jig frame and the truss type jig frame are welded and can only be used once, and the single-plate type jig frame and the truss type jig frame cannot be suitable for ship bodies with different sections and different specifications; although frame-type loose bed-jig, bushing type bed-jig can adjust used repeatedly, nevertheless it is difficult to guarantee the laminating of full supporting position when contacting with the hull, and difficult each strong point atress condition of confirming, must adjust the position of each strong point through the manual work, and it is loaded down with trivial details to the adjustment support process of hull, can't reach efficient stable support, to above-mentioned technical problem, this application has proposed a hull strutting arrangement and bed-jig.

Example 1

In an exemplary embodiment of the present application, as shown in fig. 1-2, an apparatus for supporting hull sections during a ship manufacturing process is provided.

The utility model provides a ship body strutting arrangement, includes a telescopic link 1, first connecting plate 2 is installed on the top of telescopic link, and second connecting plate 3 is articulated with first connecting plate through hinge 4, the backup pad 5 is installed to the one end that first connecting plate was kept away from to the second connecting plate, the backup pad includes contact plate 502 and fixed plate 501, the contact plate passes through the fixed plate and the cooperation of second connecting plate is installed, the contact plate is parallel and level with the edge of fixed plate to make the fixed plate can carry out stable support to the contact plate, the second connecting plate can rotate for first connecting plate with the hinge axis, thereby the contact angle of adjustment contact plate and waiting to support the hull surface, thereby make contact of contact plate and hull formation face, the telescopic link drives the whole rising or decline of structure on its upper portion to change the size of holding power through flexible.

Of course, it can be understood that the contact plate is an elastic element, in this embodiment, rubber is selected, the elastic contact plate is used for supporting the hull, when the outer surface of the hull has curvature or unevenness, the support force can be uniformly applied to the outer surface of the hull according to the change of the shape applicability of the outer surface, the limitation of the curvature of the segments is avoided, and the adaptability of the whole device to different segments of hulls is improved;

the telescopic link can adopt electric telescopic link, hydraulic telescoping rod or the telescopic link of other forms, in this embodiment, because the target work piece to supporting and adjusting is the hull segmentation, its weight is big, need provide great and stable holding power when adjustment and stable, consequently choose hydraulic telescoping rod for use, of course, this hydraulic telescoping rod disposes corresponding hydraulic pump and hydrovalve, for the convenience of the collaborative work of hydraulic telescoping rod and other parts, the hydrovalve chooses electromagnetic hydraulic valve for use, and insert control module with control part, control hydraulic telescoping rod's action through control module.

It needs to point out very much, adopt contact plate cooperation fixed plate, utilize elastic surface contact hull, the supporting force is applyed to the hull through the contact plate to the fixed plate, compare in traditional point, line contact and realize supporting to the hull, can make the supporting force that the backup pad was applyed to the hull more even, the concentrated point pressure reduces, avoids the outer surface plate of hull segmentation to receive the extrusion and the problem of warping to the paint damage of hull segmentation surface has been avoided.

Further, a ratchet mechanism 7 is matched at the hinge and used for intermittently adjusting and locking an included angle between the first connecting plate and the second connecting plate;

the ratchet mechanism is matched with a driving mechanism, and the driving mechanism is used for driving the second connecting plate to rotate relative to the first connecting plate;

the ratchet mechanism is provided with two pawls matched with the ratchet wheel, the two pawls are respectively arranged at two ends of one diameter of the ratchet wheel, and the pawls are used for intermittently locking the ratchet wheel.

The ratchet mechanism is a matching mechanism of ratchet pawls, so that intermittent movement is realized, when the included angle between the support plate and the axis of the telescopic rod needs to be adjusted, the limit of the pawls on the ratchet is cancelled through the rotation of the driving mechanism, the included angle is adjusted through the rotation of the ratchet, and after the specified angle is reached, the limit of the two pawls on the ratchet is restored, so that the ratchet does not rotate any more, and the change of the angle between the first connecting plate and the second connecting plate is limited; the driving structure can select a motor as a driving element and drive the second connecting plate to change the angle position by rotation;

it should be pointed out very much that, because the hull segmentation quality is great, consequently, there is certain demand to ratchet's locking ability, this application adjusts and limits through ratchet to the contained angle between first connecting plate and the second connecting plate, when satisfying angular adjustment, adopt two pawl structures to lock, and be in the symmetric position, can make the great reverse application such as the confining force of two pawls on the ratchet, be applicable to the stable locking of the big weight structure of hull, avoid the problem that can't keep because of first connecting plate and the second connecting plate contained angle that pawl confining force is not enough aroused.

Further, the supporting plate is provided with a distance sensor 6, and the distance sensor is used for measuring the distance between the supporting plate and the outer surface of the ship body.

The distance from each position of the supporting plate to the bed body is respectively measured through a plurality of distance sensors, the rotation of the driving device is adjusted, the supporting plate and the outer surface of the ship body tend to be parallel, the supporting plate and the outer surface of the ship body are accurately attached, and then the telescopic rod is controlled to ascend to enable the telescopic rod to complete supporting of the ship body through the contact plate; compared with the method that one distance sensor is adopted, the distance of a plurality of positions can be measured by adopting a plurality of sensors at different positions, so that the distance deviation of each position can be obtained, the angle can be reasonably adjusted, the distance from each point to the ship body is equal, and the contact plate can be quickly adjusted to be parallel to the outer surface of the ship body;

and the elastic contact plate can adapt to certain angular deviation, so that errors of the distance sensor in measuring the curved surface can be compensated, and the effect of comprehensively adhering and carrying out surface contact support is finally achieved.

Furthermore, be equipped with first floor 9 between first connecting plate and the telescopic link for improve the side direction support ability of first connecting plate, be equipped with second floor 10 between second connecting plate and the backup pad, be used for improving the side direction support ability of second connecting plate.

When the backup pad supports the hull, can support the different positions of hull surface, the power that same backup pad received is all directions also, can be through first backup pad behind the backup pad atress, hinge and second backup pad are applied to on the telescopic link, the backup pad has directly influenced the stability of support, annular holding power is provided by ratchet, to axial holding power, this application provides through setting up the floor, it strengthens the side direction support ability of connecting plate to set up the floor, avoid when the atress of different angles, the fracture that the connecting plate side direction atress too big arouses, the intensity of connecting plate has further been improved.

Example 2

In another embodiment of the present application, there is provided a jig frame using the hull supporting device of embodiment 1.

The jig frame comprises a support 8, a plurality of mounting holes which are arranged in an array mode are formed in the support, the ship body supporting devices are matched on the mounting holes, and the ship body supporting devices are respectively used for being attached to different positions of a ship body and supporting the ship body;

of course, in order to further adjust the orientation of the support plate, the hull support device can be installed in the jig frame installation hole through a rotating pair, and the rotation of the hull support device around the axis of the telescopic rod is realized.

When the hull is supported by the jig frame, the height of each telescopic rod in the jig frame mounting hole and the angle of the supporting plate are roughly adjusted according to the section-type surface curvature of the hull; the distance between four measuring points on the supporting plate and the outer surface of the ship body segment is measured by four distance sensors arranged on the rotatable supporting panel and is transmitted to the control module, the computer calculates the angle of rotation and issues an instruction to the pawl to release the pawl, and then the driving mechanism rotates to drive the supporting plate to rotate by a corresponding angle, so that the contact plate of the supporting plate and the outer surface of the ship body are approximately in a parallel state, the outer surface of the ship body segment is fully contacted with the contact surface of the supporting plate through the extension movement of the telescopic rod, and the overlarge local pressure is avoided. After the angle of the supporting plate is adjusted, the pawl is clamped into the ratchet of the ratchet wheel, and the supporting plate is kept fixed.

A plurality of hull strutting arrangement that the array was arranged can carry out the omnidirectional support to the bottom and the side of the surface of hull, and even application of force through a plurality of hull strutting arrangement makes the stable quilt of hull support, has avoided the extrusion deformation problem that leads to because of stress concentration.

After the ship body is placed on the moulding bed in sections, the pressure sensor measures the pressure on the whole ship body supporting device, and the surface pressure of the supporting plate can be obtained through the balance relation between the pressure on the supporting plate and the force of the telescopic rod. The numerical values of the pressures are transmitted to the control module, and the pressures are redistributed after the integrated calculation of the control module, so that the ship body segment is properly stressed at each supporting plate, and the excessive stress at individual supporting plates is avoided. The control module controls the telescopic rods according to the redistributed supporting force to adjust hydraulic oil in each hydraulic telescopic rod, so that the stress of each supporting plate is proper, and the ship body is stably supported.

The pressure sensor is adopted to collect the pressure applied to each telescopic rod, the structural strength of the contact position of the ship body and the supporting device is combined, and the oil pressure is readjusted on the excessive stress position, so that the ship body at each supporting plate can be reasonably stressed.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ship body supporting device is characterized by comprising a telescopic rod, wherein a first connecting plate is installed at the top end of the telescopic rod, a second connecting plate is matched with the first connecting plate through a hinge, a supporting plate is installed at one end, far away from the first connecting plate, of the second connecting plate and comprises a contact plate and a fixed plate which are connected with each other, the contact plate is a plate made of elastic materials, the supporting plate is provided with a plurality of distance sensors, the distance sensors are arranged in a central symmetry mode relative to the center of the supporting plate and used for measuring the distance between the supporting plate and the outer surface of a ship body, obtaining the distance deviation of each position and reasonably adjusting the angle, the hinge is used for adjusting the included angle between the supporting plate and the ship body to be supported to enable the supporting plate to be in surface contact with the ship body to be supported, a ratchet mechanism is matched with the hinge and used for intermittently adjusting the included angle between the first connecting plate and the second connecting plate and locking the ratchet mechanism, the ratchet mechanism is matched with a driving mechanism, the driving mechanism is used for driving the second connecting plate to rotate relative to the first connecting plate, the ratchet mechanism is provided with two pawls matched with the ratchet wheel, the two pawls are respectively arranged at two ends of one diameter of the ratchet wheel, the pawls are used for intermittently locking the ratchet wheel, and the telescopic rod is used for supporting the ship body through the supporting plate;

the utility model discloses a ship body supporting device, including hull bed-jig, control module and actuating mechanism, hull strutting arrangement array is arranged on the hull bed-jig, the hull bed-jig includes control module and pressure sensor, control module is used for realizing the face contact support of backup pad and hull through acquireing distance sensor information and adjusting telescopic link and actuating mechanism, and can realize the even atress of each telescopic link according to the length of pressure sensor's distribution condition regulation different telescopic links.

2. The hull support means of claim 1 in which the contact plate is connected to the second connection plate by a fixing plate, the contact plate being adapted to engage the outer surface of the hull and support the hull.

3. The hull support means of claim 1, wherein a first cross brace is provided between the first connecting plate and the telescopic bar for laterally supporting the first connecting plate, and a second cross brace is provided between the second connecting plate and the support plate for laterally supporting the second connecting plate.

4. The ship body jig frame is characterized by comprising a support, wherein a plurality of mounting holes are formed in the support and are arranged in an array mode, the ship body supporting devices according to any one of claims 1-3 are matched on the mounting holes, and the ship body supporting devices are respectively used for being attached to different positions of a ship body and supporting the ship body.

5. The hull jig frame according to claim 4, characterized by further comprising a control module and a pressure sensor, wherein the control module is electrically connected with the driving mechanism, the distance sensor, the telescopic rod and the pressure sensor respectively, the pressure sensor is installed at the bottom of the telescopic rod of the hull supporting device and used for detecting the pressure borne by the hull supporting device, the control module is used for realizing surface contact supporting of the supporting plate and the hull by acquiring information of the distance sensor and adjusting the telescopic rod and the driving mechanism, and the length of different telescopic rods can be adjusted according to the distribution of the pressure sensor to realize uniform stress of the telescopic rods.