CN212766680U - Ship section folding port railing installing and positioning tool - Google Patents
Ship section folding port railing installing and positioning tool Download PDFInfo
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- CN212766680U CN212766680U CN202021225253.6U CN202021225253U CN212766680U CN 212766680 U CN212766680 U CN 212766680U CN 202021225253 U CN202021225253 U CN 202021225253U CN 212766680 U CN212766680 U CN 212766680U
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Abstract
The utility model discloses a ship sectional folding port railing installing and positioning tool, which comprises a bottom plate and a pair of stand columns which are vertically arranged on the bottom plate and are arranged in parallel at intervals, wherein sinking surfaces which are lower than the inner side surface are respectively arranged on the inner side surfaces which are opposite to the stand columns along the upper and lower positions, an elastic rubber plate is arranged on the sinking surfaces, and the elastic rubber plate is higher than the inner side surfaces of the stand columns; an upper mounting hole and a lower mounting hole which horizontally penetrate through the upright post and the elastic rubber plate are respectively arranged at the upper position and the lower position of the upper edge of the upright post, an upper distance measuring element with reading display is mounted on the upper mounting hole, and a lower distance measuring element with reading display is mounted on the lower mounting hole; the ship section folding port railing is positioned between the pair of stand columns when being installed, the matching between the section folding port railing and the pair of stand columns is clearance fit, and the matching between the section folding port railing and the elastic rubber plates on the pair of stand columns is interference fit. The utility model discloses a railing is in the accurate alignment at foldeing the position after the segmentation folds.
Description
Technical Field
The utility model relates to a boats and ships manufacturing and designing technical field, concretely relates to boats and ships segmentation folds mouthful railing installation location frock.
Background
As a necessary configuration, in order to ensure the safety of the ship, the main deck gunwale of the ship needs to be provided with a railing with the height not less than 1 m.
According to prior art, the railing is prefabricated in the workshop and is accomplished the back, installs to the hull segmentation in the segmentation stage, and the hull segmentation folds the back, and segmentation fold mouthful department can form one section railing breach, need be in the slipway stage, repair and cut pipe, round steel by constructor according to the breach size, through the breach of on-the-spot welding completion railing. The method has the following disadvantages: firstly, the workload of the shipway is increased, and the shipway is used as a core resource of a shipyard, and the period of the shipway needs to be shortened as much as possible; secondly, the field welding can damage the zinc coating of the handrail; and thirdly, workers construct on the gunwale with the gap, and potential safety hazards of high falling exist.
The design of the handrail is improved aiming at the problems, and the handrail end part of the segmented folding port is designed into a complete type (see the handrail end part structure adopted on a 70000 ton wood chip ship in the attached figure 2 in detail). The railings are installed in the subsection stage, after the subsection is folded, the theoretical gap between the railings at the folding position of the subsection is smaller than or equal to 100mm, extra construction is not needed in the slipway folding stage, thus the workload of the slipway can be reduced, the integrity of a railing zinc coating is ensured, and the construction risk of falling from a high place is avoided.
The railings at the folding positions of the ship sections are not connected into a whole, and certain welding deformation occurs after the railings are welded. Therefore, if the mounting position accuracy of the railings is strictly not controlled, the two railing ends at the folding position after the sections are folded cannot be aligned, and therefore the overall appearance quality of the railings is seriously affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a boats and ships segmentation folds a mouthful railing installation location frock aims at realizing that the segmentation folds the back railing and is folding the accurate alignment at position. The specific technical scheme is as follows:
a ship sectional folding port handrail mounting and positioning tool comprises a base plate and a pair of stand columns which are vertically arranged on the base plate and are arranged in parallel at intervals, sinking surfaces which are lower than the inner side surfaces are respectively arranged on the opposite inner side surfaces of the pair of stand columns along the upper and lower positions, elastic rubber plates are mounted on the sinking surfaces, and the elastic rubber plates are higher than the inner side surfaces of the stand columns; an upper mounting hole and a lower mounting hole which horizontally penetrate through the upright post and the elastic rubber plate are respectively arranged on the upper edge and the lower edge of one of the pair of upright posts, an upper distance measuring element with a reading display is mounted on the upper mounting hole, and a lower distance measuring element with a reading display is mounted on the lower mounting hole; the ship section folding port railing is positioned between the pair of stand columns when installed, the section folding port railing is in clearance fit with the stand columns, and the section folding port railing is in interference fit with the stand columns through elastic rubber plates.
Wherein, the distance measuring element is a dial indicator or a digital display infrared distance measuring pen.
As one of the preferred schemes of the elastic rubber plate and the stand column connection in the utility model, the elastic rubber plate with the connection between the stand columns is for splicing.
As a second preferred embodiment of the present invention, the elastic rubber plate is connected to the upright, and the elastic rubber plate is connected to the upright by hot pressing.
In order to ensure the accuracy of the position of the handrail after being inserted into the positioning, the sinking depths of the sinking surfaces on the inner side surfaces of the pair of stand columns are the same, and the thicknesses of the elastic rubber plates on the pair of stand columns are the same.
In order to facilitate the insertion and positioning of the railing, the upper port part of the elastic rubber plate is provided with a guide oblique angle which is convenient for the insertion and positioning of the railing at the ship section folding port.
As a further improvement the upper and lower position of a pair of stand still is provided with upper portion location locking device and lower part location locking device respectively, each location locking device sets up including the activity left location locking bumping post, activity on the left stand in a pair of stand set up right location locking bumping post on the right stand in a pair of stand, left side location locking bumping post, right location locking bumping post lean on respectively and connect the left and right sides of railing and realize fixedly through the screw.
The utility model discloses in, the boats and ships segmentation folds a mouthful railing and is U type structure at the tip that folds the position, the U type bottom outside of U type structure folds the body towards another of boats and ships that docks with it, and two of boats and ships fold the body and fold the opening a grade distance between two railing tip after be not more than 100 mm.
A rail mounting method of a positioning tool for mounting rails at a ship sectional folding port sequentially comprises the following steps:
(1) scribing: marking a railing installation position line on a ship deck in a ship section manufacturing stage, and marking a tool fixing position line according to the railing installation position line;
(2) fixing the tool: positioning a tooling for positioning the railing on a ship deck according to a tooling position line and performing temporary spot welding and fixing;
(3) positioning the handrail: installing the railing at the scribing position of the ship deck according to the railing installation position line, inserting and positioning the railing part positioned at the ship section folding port between a pair of stand columns of the tooling, and performing self-centering clamping on the railing by elastic rubber plates at two sides; after the handrail is positioned, adjusting the positioning and locking device to ensure that the left positioning and locking stop post and the right positioning and locking stop post are respectively abutted against the left side and the right side of the handrail and are fixed through screws so as to prevent the deformation of the handrail in the subsequent welding process;
(4) resetting the measurement data of the ranging element: adjusting an upper distance measuring element and a lower distance measuring element which are arranged on the upright column to enable the distance data measured by the upper distance measuring element and the lower distance measuring element to be the same with the distance data measured by the surface of the guardrail body; the distance measuring element adopts a dial indicator or a digital display infrared distance measuring pen;
(5) welding the handrail: welding the railing and the ship deck;
(6) measurement of stress deformation: after welding and cooling, a left positioning locking stop post and a right positioning locking stop post in the positioning locking device are loosened, if stress deformation generated by welding and cooling occurs after welding, the rail can overcome the elastic force of an elastic rubber plate contacted with the rail on the stand column under the action of welding stress to generate inclination or displacement deformation, and the generated inclination or displacement deformation enables the upper and lower dial indicators or digital display infrared distance measurement to have reading change;
(7) correcting the position of the handrail: if the reading change exceeds the set allowable value, the position of the handrail is corrected until the measured reading change is smaller than the set allowable value; the position correction comprises cold deformation correction or hot deformation correction;
(8) dismantling the tool: and after the railing position meets the requirement, removing the tool and folding the ship section.
Preferably, the allowable value of the change of the reading of the upper and lower two distance measuring elements is obtained by a plurality of simulation tests which are performed in advance.
The utility model has the advantages that:
first, the utility model discloses a boats and ships segmentation folds a mouthful railing installation location frock and railing installation method sets up the elastic rubber board through set up a pair of stand on the bottom plate and in the inboard of a pair of stand, has realized railing male self-align, and the reunion location locking device locks to realized the accurate location of railing, and reduced the deformation when railing welds.
Second, the utility model discloses a boats and ships segmentation folds mouthful railing installation location frock, railing welded stress deformation can carry out immediate correction through setting up the range finding component on the frock to railing installation and welded precision have further been improved, realized from this that the segmentation folds the back railing and is folding the accurate alignment at position.
Third, the utility model discloses a boats and ships segmentation folds mouthful railing installation location frock improves the railing end structure of design, has the advantage that need not to fold the stage at the slipway and carry out extra construction, so can reduce slipway work load, guarantees the complete of railing galvanizing coat to avoid the construction risk that the eminence falls.
Drawings
Fig. 1 is a schematic structural view of a positioning tool for installing a rail at a ship sectional closure port of the present invention;
fig. 2 is a schematic view of two segmented closure rails arranged in abutting relationship at the closure location.
In the figure: 1. the combined guardrail comprises a sectional folding opening guardrail 2, a bottom plate 3, upright posts 4, a sinking surface 5, an elastic rubber plate 6, an upper distance measuring element 7, a lower distance measuring element 8, a guide bevel angle 9, an upper positioning locking device 10, a lower positioning locking device 11, a left upright post 12, a left positioning locking stop post 13, a right upright post 14, a right positioning locking stop post 15, a screw 16 and a guardrail foot.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 2 show an embodiment of a positioning tool for installing a handrail of a ship sectional folding port of the present invention, which includes a bottom plate 2 and a pair of columns 3 vertically disposed on the bottom plate 1 and arranged in parallel at intervals, wherein sinking surfaces 4 lower than the inner side surfaces are respectively disposed on the inner side surfaces of the columns 3 along the upper and lower positions, the sinking surfaces 4 are provided with elastic rubber plates 5, and the elastic rubber plates 5 are higher than the inner side surfaces of the columns 3; an upper mounting hole and a lower mounting hole which horizontally penetrate through the upright post 3 and the elastic rubber plate 5 are respectively formed in the upper position and the lower position of one of the pair of upright posts 3, an upper distance measuring element 6 with reading display is mounted on the upper mounting hole, and a lower distance measuring element 7 with reading display is mounted on the lower mounting hole; the ship section folding port railing 2 is positioned between the pair of stand columns 3 when being installed, the section folding port railing 1 is in clearance fit with the stand columns 3, and the section folding port railing 1 is in interference fit with the stand columns 3 through the elastic rubber plates 5.
The distance measuring elements 6 and 7 are dial indicators or digital display infrared distance measuring pens.
As one of the preferable schemes for connecting the elastic rubber plate 5 and the upright 3 in this embodiment, the connection between the elastic rubber plate 5 and the upright 3 is glue joint.
As a second preferable mode of connection between the elastic rubber plate 5 and the pillar 3 in this embodiment, the connection between the elastic rubber plate 5 and the pillar 3 is a thermal compression connection.
In order to ensure the accuracy of the position of the railing 1 after being inserted and positioned, the sinking surfaces 4 on the inner side surfaces of the pair of upright posts 3 sink to the same depth, and the thicknesses of the elastic rubber plates 5 on the pair of upright posts 3 are the same.
In order to facilitate the insertion and positioning of the handrail 1, the upper port of the elastic rubber plate 5 is provided with a guide bevel 8 which facilitates the insertion and positioning of the handrail 1 at the ship section folding port.
As a further improvement of this embodiment, an upper positioning locking device 9 and a lower positioning locking device 10 are further respectively disposed at upper and lower portions of the pair of columns 3, each of the positioning locking devices 9 and 10 includes a left positioning locking catch 12 movably disposed on a left column 11 of the pair of columns 3 and a right positioning locking catch 14 movably disposed on a right column 13 of the pair of columns 3, and the left positioning locking catch 12 and the right positioning locking catch 14 are respectively abutted to left and right sides of the balustrade 1 and fixed by screws 15.
In this embodiment, the end of the ship section folding opening rail 1 at the folding part is a U-shaped structure, the outer side of the U-shaped bottom of the U-shaped structure faces to another folding body of the ship, which is in butt joint with the U-shaped bottom, and the opening distance between the two rail ends after the two folding bodies of the ship are folded is not more than 100 mm.
Example 2:
a rail installation method adopting the rail installation and positioning tool for the ship sectional folding port in the embodiment 1 sequentially comprises the following steps:
(1) scribing: marking a railing installation position line on a ship deck in a ship section manufacturing stage, and marking a tool fixing position line according to the railing installation position line;
(2) fixing the tool: positioning a tooling for positioning the railing on a ship deck according to a tooling position line and performing temporary spot welding and fixing;
(3) positioning the handrail: installing the railing 1 at the scribing position of the ship deck according to the railing installation position line, inserting and positioning the railing part positioned at the ship section folding port part between a pair of stand columns 3 of the tooling, and performing self-centering clamping on the railing 1 by using elastic rubber plates 5 at two sides; after the handrail 1 is positioned, adjusting the positioning and locking devices 9 and 10 to ensure that the left positioning and locking stop post 12 and the right positioning and locking stop post 14 are respectively abutted against the left side and the right side of the handrail 1 and are fixed through the screws 15 so as to prevent the handrail 1 from deforming in the subsequent welding process;
(4) resetting the measurement data of the ranging element: adjusting an upper distance measuring element 6 and a lower distance measuring element 7 which are arranged on the upright column to enable the distance data measured by the upper distance measuring element and the lower distance measuring element to be the same with the distance data measured by the surface of the guardrail body; the distance measuring element adopts a dial indicator or a digital display infrared distance measuring pen;
(5) welding the handrail: the railing 1 and the ship deck are welded;
(6) measurement of stress deformation: after welding and cooling, a left positioning locking stop post 12 and a right positioning locking stop post 14 in the positioning locking devices 9 and 10 are loosened, if stress deformation generated by welding and cooling occurs after welding, the handrail 1 can overcome the elastic force of an elastic rubber plate 5 contacted with the handrail on the stand column 3 under the action of welding stress to generate inclination or displacement deformation, and the generated inclination or displacement deformation enables the upper and lower dial indicators or digital display infrared distance measurement to have reading change;
(7) correcting the position of the handrail: if the reading change exceeds the set allowable value, the position of the handrail is corrected until the measured reading change is smaller than the set allowable value; the position correction comprises cold deformation correction or hot deformation correction;
(8) dismantling the tool: and after the position of the railing 1 meets the requirement, removing the tool and closing the ship sections.
Preferably, the allowable values of the reading variation of the upper and lower two distance measuring elements 6, 7 are obtained by a plurality of simulation tests performed in advance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The installation and positioning tool for the ship sectional folding port handrail is characterized by comprising a bottom plate and a pair of stand columns which are vertically arranged on the bottom plate and are arranged in parallel at intervals, sinking surfaces which are lower than the inner side surfaces are respectively arranged on the opposite inner side surfaces of the pair of stand columns along the upper and lower positions, an elastic rubber plate is arranged on the sinking surfaces, and the elastic rubber plate is higher than the inner side surfaces of the stand columns; an upper mounting hole and a lower mounting hole which horizontally penetrate through the upright post and the elastic rubber plate are respectively arranged on the upper edge and the lower edge of one of the pair of upright posts, an upper distance measuring element with a reading display is mounted on the upper mounting hole, and a lower distance measuring element with a reading display is mounted on the lower mounting hole; the ship sectional folding port railing is positioned between the pair of stand columns when being installed, the matching between the sectional folding port railing and the pair of stand columns is clearance fit, and the matching between the sectional folding port railing and the elastic rubber plates on the pair of stand columns is interference fit; the distance measuring element is a dial indicator or a digital display infrared distance measuring pen; the connection between the elastic rubber plate and the upright post is glued joint.
2. The installation and positioning tool for the ship section folding port handrail as claimed in claim 1, wherein the connection between the elastic rubber plate and the upright post is a hot-press connection.
3. The installation and positioning tool for the ship section folding port handrail as claimed in claim 1, wherein the sinking depths of the sinking surfaces on the inner side surfaces of the pair of upright columns are the same, and the thicknesses of the elastic rubber plates on the pair of upright columns are the same.
4. The installation and positioning tool for the ship section folding port railing as claimed in claim 1, wherein the upper port of the elastic rubber plate is provided with a guiding bevel for facilitating the insertion and positioning of the ship section folding port railing.
5. The installation and positioning tool for the handrails of the ship sectional folding port according to claim 1, wherein an upper positioning and locking device and a lower positioning and locking device are further arranged at the upper part and the lower part of the pair of upright columns respectively, each positioning and locking device comprises a left positioning and locking stop pillar movably arranged on a left upright column of the pair of upright columns and a right positioning and locking stop pillar movably arranged on a right upright column of the pair of upright columns, and the left positioning and locking stop pillar and the right positioning and locking stop pillar are respectively abutted to the left side and the right side of the handrails and are fixed through screws.
6. The installation and positioning tool for the ship section folding port railing according to claim 1, wherein the end of the ship section folding port railing at the folding part is of a U-shaped structure, the outer side of the U-shaped bottom of the U-shaped structure faces to another folding body of the ship, which is in butt joint with the U-shaped structure, and the opening distance between the two railing ends after the two folding bodies of the ship are folded is not more than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225253.6U CN212766680U (en) | 2020-06-29 | 2020-06-29 | Ship section folding port railing installing and positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225253.6U CN212766680U (en) | 2020-06-29 | 2020-06-29 | Ship section folding port railing installing and positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212766680U true CN212766680U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021225253.6U Active CN212766680U (en) | 2020-06-29 | 2020-06-29 | Ship section folding port railing installing and positioning tool |
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| Country | Link |
|---|---|
| CN (1) | CN212766680U (en) |
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- 2020-06-29 CN CN202021225253.6U patent/CN212766680U/en active Active
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