CN112482466A - Method for installing bridge frame lug shaft sleeve of cutter suction dredger - Google Patents
Method for installing bridge frame lug shaft sleeve of cutter suction dredger Download PDFInfo
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- CN112482466A CN112482466A CN202011537138.7A CN202011537138A CN112482466A CN 112482466 A CN112482466 A CN 112482466A CN 202011537138 A CN202011537138 A CN 202011537138A CN 112482466 A CN112482466 A CN 112482466A
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- bridge
- independent
- plate
- plates
- independent sections
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for installing an ear shaft sleeve of a bridge frame of a cutter suction dredger, and relates to the technical field of machining of cutter suction dredgers. The method comprises the following steps: when the bridge frame segment is built, the main body part of the bridge frame segment is installed, and two independent segments are separated from the end part of the bridge frame segment installation lug shaft sleeve; assembling the two independent sections, and mounting the trunnion sleeves into the independent sections in the process of assembling the independent sections; and folding the two independent sections and the bridge section, wherein the two independent sections are arranged at the vacant positions of the end parts of the bridge section mounting lug shaft sleeves, and the bottom plates of the two independent sections correspond to the bottoms of the bridge section. The invention has the advantages that: two independent sections are separated from the end part of the bridge frame section mounting trunnion sleeve, and in the independent section assembling process, the trunnion sleeve is mounted in the independent section, the independent section is independently assembled, the operation space is not limited, the construction environment during the mounting of the trunnion sleeve is improved, the construction is convenient, and the requirement of the mounting precision can be met.
Description
Technical Field
The invention relates to the technical field of cutter suction dredger processing, in particular to a method for installing bridge frame lug shaft sleeves of a cutter suction dredger.
Background
The front half part of the cutter suction dredger is provided with a groove, a bridge is arranged in the groove, and the front end of the bridge is provided with a cutter head of cutting equipment for excavating soil. When the mud is dug, the bridge is put down, the reamer at the head is put at the bottom of the channel to be dug, the mud pump is started, the reamer rotates, and after the mud at the bottom is loosened, mixed mud is formed. The bridge trunnion sleeve is a key part for connecting the ship body and the bridge, and the bridge is directly installed on a bridge trunnion seat of the ship body through the bridge trunnion sleeve. The crane span structure can rotate around the crane span structure trunnion to the demand of the different depths of dredging of adaptation. The mounting of the bridge trunnion sleeves is very important.
In the prior art, the bridge frame and the trunnion sleeve are constructed in a mode that the trunnion sleeve is installed in the bridge frame segment after the bridge frame segment is integrally finished, the hull structure is formed and fixed after the bridge frame segment is finished, the requirement on precision is difficult to guarantee in the trunnion sleeve installation, and when the trunnion sleeve is installed, the operable space in the bridge frame segment is narrow, the trunnion sleeve is required to be completely welded through, and the construction is very difficult. The method for installing the trunnion sleeve of the bridge frame of the cutter suction dredger is needed to be provided, so that the installation and construction of the trunnion sleeve are more convenient, and the installation precision can be ensured.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for installing an ear shaft sleeve of a bridge frame of a cutter suction dredger, which can solve the problems that when the ear shaft sleeve is installed on a bridge frame segment, installation and construction are very difficult and installation precision is difficult to ensure due to the narrow operable space in the segment.
In order to solve the technical problems, the technical scheme of the invention is as follows: the method comprises the following steps:
s1, when the bridge segment is built, the main body part of the bridge segment is installed, two independent segments are separated from the end part of the bridge segment installation lug shaft sleeve, and the bottom of the end part of the bridge segment installation lug shaft sleeve is a vacancy;
s2, assembling the two independent sections, and in the process of assembling the independent sections, installing the trunnion sleeves into the independent sections, specifically as follows:
s2.1, building an outer side wall plate as a base surface, and positioning and spot-welding a trunnion sleeve of the bridge frame on the outer side wall plate;
s2.2, sequentially installing the peripheral structures of the bridge ear shaft sleeves, and welding and fixing the connecting positions of the peripheral structures and the ear shaft sleeves;
s2.3, welding an inner longitudinal wall cover plate on the periphery of the trunnion sleeve, wherein the inner longitudinal wall cover plate is arranged on one side of the peripheral structure, which is far away from the outer side wall plate;
s2.4, mounting the base plate, the first sealing plate and the arc plate which are independently segmented, wherein the base plate and the first sealing plate are respectively positioned at the bottom and the side edge of the outer side wall plate;
s2.5, turning over the partially assembled independent sections, installing other accessories on the independent sections under the state that the bottom plates of the independent sections are at the bottom, and finally welding and installing toggle plates which are arranged in parallel to the inner longitudinal wall cover plate and are respectively welded and fixed with the bottom plates, the head sealing plates and the sides of the arc plates, which are far away from the outer side wall plates;
s3, folding the two independent sections and the bridge section: the two independent sections are arranged at the vacant positions of the end parts of the bridge section mounting lug shaft sleeves, the bottom plates of the two independent sections correspond to the bottoms of the bridge sections, and the outer side wall plates, the inner longitudinal wall cover plates, the toggle plates, the bottom plates and the head closing plates of the two independent sections are respectively welded and fixed with the bridge sections.
Further, in the step S2.1, an installation round hole is formed in the outer side wall plate, and the trunnion sleeve of the bridge is fixed by spot welding corresponding to the installation round hole.
Further, in step S2.2, peripheral structure includes the several cardboard, the avris of several cardboard is equipped with the draw-in groove, and the several cardboard passes through the draw-in groove joint with the card muscle on the outer wall curb plate, and the several cardboard distributes in the periphery of earmuff, and the cardboard is fixed through spot welding with the position of earmuff contact.
Furthermore, in the step S2.4, a temporary fabrication hole is added on the arc plate on site, and the arc plate enters the interior through the temporary fabrication hole to perform welding construction.
The invention has the advantages that: the installation process of the adjustment trunnion sleeve, when the bridge frame is built in sections, the installation of the main body of the bridge frame sections is completed firstly, two independent sections are separated from the end part of the bridge frame section installation trunnion sleeve, the bottom of the end part of the bridge frame section installation trunnion sleeve is vacant, then the two independent sections are assembled, in the independent section assembling process, the trunnion sleeve is installed in the independent section, the independent section is independently assembled, the operation space is not limited, the construction environment when the trunnion sleeve is installed is improved, the construction is convenient, in addition, the independent section and the bridge frame sections can be matched with the installation size to adjust the whole size when being folded, the operation space is large, and the requirement of the installation precision is met.
Drawings
FIG. 1 is a schematic view of a bridge segment of the present invention with two separate segments separated;
FIG. 2 is a schematic assembly flow diagram of the independent segment of the present invention;
fig. 3 is a schematic view of the folding of two individual segments and a bridge segment according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
Taking 3500 square cutter suction dredger as an example, the specific implementation mode is as follows: the method comprises the following steps:
s1, when the bridge segment 1 is constructed, the main body of the bridge segment 1 is installed, the end of the bridge segment 1 where the trunnion sleeve 22 is installed is separated into two independent segments 2, and the bottom of the end of the bridge segment 1 where the trunnion sleeve 22 is installed is vacant, as shown in fig. 1.
S2, assemble two independent segments 2, in the independent segment 2 assembling process, install trunnion sleeve 22 to independent segment 2, independent segment 2 assembles alone, operating space is unrestricted, the construction environment when trunnion sleeve 22 installs is improved, construction is convenient, as shown in fig. 2, specifically as follows:
s2.1, building an outer side wall plate 21 as a base surface, wherein the outer side wall plate 21 is provided with a mounting round hole 29, and a trunnion sleeve 22 of the bridge is fixed on the outer side wall plate 21 in a spot welding manner corresponding to the mounting round hole 29;
s2.2, sequentially installing peripheral structures of the bridge trunnion sleeve 22, welding and fixing the peripheral structures and the connecting position of the trunnion sleeve 22, wherein each peripheral structure comprises a plurality of clamping plates 23, clamping grooves are formed in the side edges of the clamping plates 23, the clamping plates 23 are clamped with clamping ribs on the outer wall side plate 21 through the clamping grooves, the clamping plates 23 are distributed on the periphery of the trunnion sleeve 22, and the contact positions of the clamping plates 23 and the trunnion sleeve 22 are fixed through spot welding;
s2.3, welding an inner longitudinal wall cover plate 24 on the periphery of the trunnion sleeve 22, wherein the inner longitudinal wall cover plate 24 is arranged on one side of the peripheral structure, which is far away from the outer side wall plate 21;
s2.4, installing a bottom plate 25, a first sealing plate 26 and an arc plate 27 of the independent section 2, wherein the bottom plate 25 and the first sealing plate 26 are respectively positioned at the bottom and the side edge of the outer side wall plate 21, the bottom plate 25 is installed firstly, the bottom plate 25 connects the outer side wall plate 21 with the inner longitudinal wall cover plate 24, then the first sealing plate 26 is installed, the first sealing plate 26 also connects the outer side wall plate 21 with the inner longitudinal wall cover plate 24, then the arc plate 27 is installed, the arc plate 27 is positioned between the bottom plate 25 and the first sealing plate 26, the arc plate 27 is respectively welded and fixed with the bottom plate 25 and the first sealing plate 26, temporary process holes are additionally formed in the arc plate 27 on site, and the temporary process holes enter the interior to be welded and;
and S2.5, turning over the partially assembled independent sections 2, mounting other accessories on the independent sections 2 in a state that the bottom plates 25 of the independent sections 2 are at the bottoms, and finally, welding and mounting the toggle plates 28, wherein the toggle plates 28 are arranged in parallel to the inner longitudinal wall cover plate 24, and the toggle plates 28 are respectively welded and fixed with the bottom plates 25, the head sealing plates 26 and the sides, far away from the outer side wall plates 21, of the arc plates 27.
S3, folding the two independent segments 2 and the bridge segment 1, as shown in fig. 3: the two independent sections 2 are arranged at the vacant positions of the end parts of the installation lug shaft sleeves 22 of the bridge section 1, the bottom plates 25 of the two independent sections 2 correspond to the bottom of the bridge section 1, the outer side wall plates 21, the inner longitudinal wall cover plates 24, the toggle plates 28, the bottom plates 25 and the head seal plates 26 of the two independent sections 2 are respectively welded and fixed with the bridge section 1, the independent sections 2 can be matched with the installation size to adjust the whole size when being folded with the bridge section 1, the operation space is large, and the requirement of installation accuracy is met.
This embodiment adjusts the installation technology of trunnion sleeve, when the crane span structure segmentation was built, the installation of the main part of crane span structure segmentation was accomplished earlier, two independent segmentations were separated out to the tip of crane span structure segmentation installation trunnion sleeve, the bottom of the tip of crane span structure segmentation installation trunnion sleeve is the vacancy, then assemble two independent segmentations, in the independent segmentation assembling process, install the trunnion sleeve to independent segmentation in, independent segmentation is assembled alone, operating space is unrestricted, construction environment when the trunnion sleeve was installed is improved, construction convenience, and, independent segmentation can match the mounting dimension when folding with the crane span structure segmentation and carry out the adjustment of whole size, operating space is big, satisfy the requirement of installation accuracy.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The method for installing the bridge frame lug shaft sleeves of the cutter suction dredger is characterized in that: the method comprises the following steps:
s1, when the bridge segment is built, the main body part of the bridge segment is installed, two independent segments are separated from the end part of the bridge segment installation lug shaft sleeve, and the bottom of the end part of the bridge segment installation lug shaft sleeve is a vacancy;
s2, assembling the two independent sections, and in the process of assembling the independent sections, installing the trunnion sleeves into the independent sections, specifically as follows:
s2.1, building an outer side wall plate as a base surface, and positioning and spot-welding a trunnion sleeve of the bridge frame on the outer side wall plate;
s2.2, sequentially installing the peripheral structures of the bridge ear shaft sleeves, and welding and fixing the connecting positions of the peripheral structures and the ear shaft sleeves;
s2.3, welding an inner longitudinal wall cover plate on the periphery of the trunnion sleeve, wherein the inner longitudinal wall cover plate is arranged on one side of the peripheral structure, which is far away from the outer side wall plate;
s2.4, mounting the base plate, the first sealing plate and the arc plate which are independently segmented, wherein the base plate and the first sealing plate are respectively positioned at the bottom and the side edge of the outer side wall plate;
s2.5, turning over the partially assembled independent sections, installing other accessories on the independent sections under the state that the bottom plates of the independent sections are at the bottom, and finally welding and installing toggle plates which are arranged in parallel to the inner longitudinal wall cover plate and are respectively welded and fixed with the bottom plates, the head sealing plates and the sides of the arc plates, which are far away from the outer side wall plates;
s3, folding the two independent sections and the bridge section: the two independent sections are arranged at the vacant positions of the end parts of the bridge section mounting lug shaft sleeves, the bottom plates of the two independent sections correspond to the bottoms of the bridge sections, and the outer side wall plates, the inner longitudinal wall cover plates, the toggle plates, the bottom plates and the head closing plates of the two independent sections are respectively welded and fixed with the bridge sections.
2. The method for installing the bridge frame lug shaft sleeve of the cutter suction dredger according to claim 1, characterized in that: in the step S2.1, an installation round hole is formed in the outer side wall plate, and the trunnion sleeve of the bridge is fixed by spot welding corresponding to the installation round hole.
3. The method for installing the bridge frame lug shaft sleeve of the cutter suction dredger according to claim 1, characterized in that: in step S2.2, peripheral structure includes the several cardboard, the avris of several cardboard is equipped with the draw-in groove, and the several cardboard passes through the draw-in groove joint with the card muscle on the outer wall curb plate, and the several cardboard distributes in the periphery of earmuff, and the cardboard is fixed through spot welding with the position of earmuff contact.
4. The method for installing the bridge frame lug shaft sleeve of the cutter suction dredger according to claim 1, characterized in that: and in the step S2.4, temporary fabrication holes are formed in the arc plate on site, and the arc plate enters the interior of the arc plate through the temporary fabrication holes to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537138.7A CN112482466B (en) | 2020-12-23 | 2020-12-23 | Method for installing bridge frame lug shaft sleeve of cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537138.7A CN112482466B (en) | 2020-12-23 | 2020-12-23 | Method for installing bridge frame lug shaft sleeve of cutter suction dredger |
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| Publication Number | Publication Date |
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| CN112482466A true CN112482466A (en) | 2021-03-12 |
| CN112482466B CN112482466B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011537138.7A Active CN112482466B (en) | 2020-12-23 | 2020-12-23 | Method for installing bridge frame lug shaft sleeve of cutter suction dredger |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079250A (en) * | 1963-12-03 | 1967-08-16 | Werf Gusto V H A F Smulders Fa | Structure for carrying out operations in deep waters |
| US3922040A (en) * | 1972-03-13 | 1975-11-25 | Lewis D Carter | Heavy duty trunnion mounting for an earth moving vehicle |
| CN207419566U (en) * | 2017-10-30 | 2018-05-29 | 中交上航局航道建设有限公司 | It is a kind of to twist the jacking system for inhaling ship |
| CN108360592A (en) * | 2018-03-13 | 2018-08-03 | 上海交通大学 | A kind of bridge trunnion base protective device |
| CN111342396A (en) * | 2020-02-28 | 2020-06-26 | 中铁十一局集团电务工程有限公司 | Construction method for self-adaptive bridge frame steering and bridge frame |
-
2020
- 2020-12-23 CN CN202011537138.7A patent/CN112482466B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079250A (en) * | 1963-12-03 | 1967-08-16 | Werf Gusto V H A F Smulders Fa | Structure for carrying out operations in deep waters |
| US3922040A (en) * | 1972-03-13 | 1975-11-25 | Lewis D Carter | Heavy duty trunnion mounting for an earth moving vehicle |
| CN207419566U (en) * | 2017-10-30 | 2018-05-29 | 中交上航局航道建设有限公司 | It is a kind of to twist the jacking system for inhaling ship |
| CN108360592A (en) * | 2018-03-13 | 2018-08-03 | 上海交通大学 | A kind of bridge trunnion base protective device |
| CN111342396A (en) * | 2020-02-28 | 2020-06-26 | 中铁十一局集团电务工程有限公司 | Construction method for self-adaptive bridge frame steering and bridge frame |
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| CN112482466B (en) | 2022-04-29 |
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