CN108045514B - Fishing device for bridge construction - Google Patents
Fishing device for bridge construction Download PDFInfo
- Publication number
- CN108045514B CN108045514B CN201711298476.8A CN201711298476A CN108045514B CN 108045514 B CN108045514 B CN 108045514B CN 201711298476 A CN201711298476 A CN 201711298476A CN 108045514 B CN108045514 B CN 108045514B
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- Prior art keywords
- plate
- barge
- fixing piece
- jack
- fixing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/28—Barges or lighters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
Abstract
The invention discloses a salvaging device for bridge construction, which is characterized by comprising a barge, a fixed platform, a plurality of lifting devices and a plurality of connectors corresponding to the lifting devices; one end of the fixed platform is fixed on the barge, and the other end of the fixed platform extends out of the barge; the lifting equipment comprises a jack frame, a jack arranged on the jack frame and a suspender penetrating through the jack and arranged on the jack frame; the connector is fixedly connected with the lower end of the suspender. According to the invention, a fixed platform is fixed on a barge, a plurality of lifting devices are arranged on the fixed platform, and a plurality of connectors are correspondingly connected with a plurality of lifting devices; the sunken ship in river or sea water, the still abandoned reinforced concrete structure and the large block structure impacted by the upstream are effectively salvaged by the lifting equipment.
Description
Technical Field
The invention relates to the technical field of salvaging devices, in particular to a salvaging device for bridge construction.
Background
In bridge construction across rivers and oceans, it is often necessary to salvage structures already existing in the rivers or the seawater to form a relatively good bridge pier construction environment. These salvages may be sunken ships in rivers or sea water, abandoned reinforced concrete structures, and massive structures impacted by upstream water flows, and these structures are mostly heavy, and at present, manual salvage or salvage operations are performed by cooperating with a working ship, so that the working efficiency is low, and effective salvage is difficult.
For the fishing process, the device such as a jack is usually lifted by a lifting device, and the device is lifted by a stretching end such as a boom and the like; when the suspender is connected with an object to be salvaged, how to realize the connection of the steel wire rope and the suspender naturally becomes a technical problem of construction in the field, how to design a connector to realize the connection and ensure the working performance is a technical problem to be solved; how to fix the jack and stabilize the jack-up during the salvaging process is also a construction technical problem in the art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a salvaging device for bridge construction aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is that the salvaging device for bridge construction is characterized by comprising a barge, a fixed platform, a plurality of lifting devices and a plurality of connectors corresponding to the lifting devices;
one end of the fixed platform is fixed on the barge, and the other end of the fixed platform extends out of the barge;
the lifting equipment comprises a jack frame, a jack arranged on the jack frame and a suspender penetrating through the jack and arranged on the jack frame;
the connector is fixedly connected with the lower end of the suspender.
Preferably, the cable further comprises a plurality of steel wires respectively connected with the connectors.
Preferably, the fixing platform comprises a plurality of groups of bailey beams and a plurality of groups of fixing devices, one end of each bailey beam is fixed on the barge through the plurality of groups of fixing devices, and the other end of each bailey beam extends out of the barge; the multiple groups of fixing devices are arranged at equal intervals along the direction that the bailey beams extend out of the barge.
Preferably, the fixing means comprises a first fixing member, a second fixing member and a dispensing beam; the first fixing piece is connected with the bailey beam and the barge, and the second fixing piece is connected with the bailey beam and the barge; the distribution beam is arranged between the first fixing piece and the second fixing piece, and two ends of the distribution beam are fixedly connected with the bailey beam and the barge respectively.
Preferably, the upper ends of the first fixing piece and the second fixing piece extend out of the lower surface of the bailey beam, a fixed connecting piece is arranged between the first fixing piece and the second fixing piece, the fixed connecting piece comprises a left side wing plate, a right side wing plate and a middle web plate, the left side wing plate is fixedly connected with the upper end of the first fixing piece, the right side wing plate is fixedly connected with the upper ends of the two fixing pieces, and the middle web plate is connected with the left side wing plate and the right side wing plate.
Preferably, the jack frame comprises a truss, an upper cover plate paved above the truss and a lower cover plate arranged below the truss; the upper cover plate comprises a plurality of transverse steel plates arranged at intervals, at least two I-steel plates for supporting the transverse steel plates and a plurality of lifting lugs fixed on the transverse steel plates; the transverse steel plates are fixedly connected with the I-steel in a crossed mode.
Preferably, the jack and the jack stand are further provided with finish rolling nuts for the hanger rod to pass through.
Preferably, the truss comprises an upper chord member, a lower chord member, a plurality of middle web members and a plurality of inclined web members, wherein the upper chord member and the lower chord member are arranged in parallel, the upper end and the lower end of each middle web member are respectively and vertically connected with the upper chord member and the lower chord member, the inclined web members are arranged in parallel, and the inclined web members are connected with the adjacent middle web members.
Preferably, the upper chord member and the lower chord member have the same structure, and each of the upper chord member and the lower chord member comprises a plurality of longitudinal main rods arranged at intervals, a plurality of transverse rods arranged at intervals and a plurality of diagonal rods; the transverse rods are fixedly connected with the longitudinal main rods in a crossed manner, and every two inclined rods are connected with the transverse rods in a crossed manner and form a 'rice' -shaped structure with the longitudinal main rods.
Preferably, the connector comprises an upper plate, a lower plate, a first riser and a second riser; the first vertical plate and the second vertical plate are arranged at intervals and are used for connecting the upper plate and the lower plate; the connector further comprises a bulkhead for connecting the first riser and the second riser; the diaphragm plate is positioned between the upper plate and the lower plate; the boom passes upper plate and diaphragm, the upper plate is equipped with and is used for fixing the third mounting of boom, the diaphragm is equipped with and is used for fixing the fourth mounting of boom.
According to the invention, a fixed platform is fixed on a barge, a plurality of lifting devices are arranged on the fixed platform, and a plurality of connectors are correspondingly connected with a plurality of lifting devices; the sunken ship in river or sea water, the still abandoned reinforced concrete structure and the large block structure impacted by the upstream are effectively salvaged by the lifting equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of fixation of a beret beam;
FIG. 3 is a schematic diagram of a jack-to-jack connection;
FIG. 4 is a schematic view of a truss jack stand;
FIG. 5 is a schematic view of the structure of the upper and lower chords;
FIG. 6 is a schematic view of the connection of the jack stand to the connector;
FIG. 7 is a schematic structural view of a connector;
FIG. 8 is a schematic view of a stiffener arrangement for a connector.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
1-8, the fishing device for bridge construction of the invention is characterized by comprising a barge 1, a fixed platform 2, a plurality of lifting devices and a plurality of connectors 5 corresponding to the lifting devices;
one end of the fixed platform 2 is fixed on the barge 1, and the other end extends out of the barge 1;
the lifting equipment is arranged on the fixed platform 2 and comprises a jack frame 3, a jack 4 arranged on the jack frame 3 and a boom 12 penetrating through the jack 4 and the jack frame 3;
the connector 5 is fixedly connected with the lower end of the boom 12.
A fixed platform 2 is fixed on a barge 1, a plurality of lifting devices are arranged on the fixed platform 2, and a plurality of connectors 5 are utilized to correspondingly connect the plurality of lifting devices; the sunken ship in river or sea water, the still abandoned reinforced concrete structure and the large block structure impacted by the upstream are effectively salvaged by the lifting equipment.
Further preferably, the device further comprises a plurality of steel wire ropes 6 respectively connected with the connectors 5, objects in rivers or sea water are bundled through the steel wire ropes 6, the steel wire ropes 6 are connected with the connectors 5, the connectors 5 are fixedly connected with the lifting equipment, and the objects are fished through the lifting equipment.
Further preferably, the fixed platform 2 comprises a plurality of sets of bailey beams 7 and a plurality of sets of fixing devices, one end of the bailey beams 7 is fixed on the barge 1 through the plurality of sets of fixing devices, and the other end of the bailey beams extends out of the barge 1; the sets of fixtures are equally spaced along the direction in which the bailey beams 7 extend out of the barge 1.
The fixing device comprises a first fixing piece 9, a second fixing piece 10 and a distributing beam 8; the first fixing piece 9 is connected with the bailey beam 7 and the barge 1, and the second fixing piece 10 is connected with the bailey beam 7 and the barge 1; the distribution beam 8 is arranged between the first fixing piece 9 and the second fixing piece 10, and two ends of the distribution beam 8 are fixedly connected with the bailey beam 7 and the barge 1 respectively.
Fixing the multiple sets of bailey beams 7 on the barge 1 by arranging multiple sets of fixing devices, wherein the bailey beams 7 are provided with overhanging ends which extend out of the barge 1, the multiple sets of fixing devices are arranged at equal intervals along the direction that the bailey beams 7 extend out of the barge 1, the bailey beams 7 and the barge 1 are connected through the first fixing pieces 9 in the fixing devices, and the bailey beams 7 and the barge 1 are connected through the second fixing pieces; the distribution beam 8 is arranged between the first fixing piece 9 and the second fixing piece 10, and two ends of the distribution beam 8 are fixedly connected with the bailey beams 7 and the barge 1 respectively, so that the plurality of sets of bailey beams 7 are stably fixed on the barge 1.
In this embodiment, the bailey beams 7 are coupled into a whole, the bailey beams 7 include 30 bailey frames, three bailey beams 7 are a truss, and five bailey beams 7 are a group.
Further preferably, the upper ends of the first fixing piece 9 and the second fixing piece 10 extend out of the lower surface of the bailey beam 7, a fixed connecting piece 11 is arranged between the first fixing piece 9 and the second fixing piece 10, the fixed connecting piece 11 comprises a left side wing plate, a right side wing plate and a middle web plate, the left side wing plate is fixedly connected with the upper end of the first fixing piece 9, the right side wing plate is fixedly connected with the upper ends of the two fixing pieces, and the middle web plate is connected with the left side wing plate and the right side wing plate. The fixed connecting piece 11 is I-shaped.
Specifically, the fixed platform 2 is used for supporting the salvaging equipment, and the fixed platform 2 is required to bear the weight of the salvaging equipment and the salvaged object. The fixed platform 2 and the barge 1 are fixedly connected to require relatively high strength. In this embodiment, the upper ends of the first fixing piece 9 and the second fixing piece 10 extend out of the lower surface of the bailey beam 7, the upper ends of the first fixing piece 9 and the second fixing piece 10 are fixedly connected through the fixing connecting piece 11, the fixing connecting piece 11 not only plays a role of fixedly connecting the first fixing piece 9 and the second fixing piece 10, but also can limit the fixed end of the bailey beam 7 from turning upwards, and the fixed end of the bailey beam 7 is one end of the bailey beam 7 fixed with the barge 1.
The first fixing piece 9 and the second fixing piece 10 are threaded steel bars, the threaded steel bars are convenient to connect and fix, and meanwhile, the connection strength is high.
The distribution beam 8 is an i-beam, the i-beam has an upper flange and a lower flange, the upper flange is fixedly connected with the bailey beam 7, and the lower flange is fixedly connected with the barge 1.
Specifically, the upper flange of the i-beam is fixedly connected with the bailey beam 7, the lower flange of the i-beam is fixedly connected with the barge 1, the i-beam, the first fixing piece 9, the second fixing piece 10 and the fixed connection are used for doubly limiting the fixed end of the bailey beam 7 from turning over, and the connection of the fixed end of the bailey beam 7 is stabilized.
Further preferably, the jack stand 3 comprises a truss, an upper cover plate 14 paved above the truss and a lower cover plate 15 arranged below the truss; the upper cover plate 14 comprises a plurality of transverse steel plates which are arranged at intervals, at least two I-steel plates for supporting the transverse steel plates and a plurality of lifting lugs 13 fixed on the transverse steel plates; the transverse steel plates are fixedly connected with the I-steel in a crossed mode.
The jack 4 is arranged on the jack frame 3, objects under water are salvaged by taking the suspender 12 penetrating through the jack frame 3 and the jack 4 as stress points, the jack 4 is movably connected with the suspender 12 and can drive the suspender 12 to move up and down, the jack 4 is fixed by the jack frame 3, and the stability of the jack 4 is improved by arranging the truss-type jack frame 3.
The jack frame 3 is used for fixing the jack 4, the whole jack frame 3 is heavy, when the jack frame 3 is installed at a proper position, the jack frame 3 needs to be moved, the upper cover plate 14 is provided with a plurality of lifting lugs 13, the lifting movement of the jack frame 3 is realized through the lifting lugs 13, and stiffening ribs are arranged on two sides of each lifting lug 13 so as to strengthen the strength of the lifting lug 13; the number of the lifting lugs 13 is even and is more than or equal to 4, and when the jack frame 3 needs to be moved, the lifting lugs 13 are fixed for lifting.
Further preferably, the jack 4 and the jack stand 3 are further provided with finish rolling nuts for the boom 12 to pass through.
The hanger rod 12 is a finish rolling screw-thread steel, the yield strength of the hanger rod is not less than 830MPa, the finish rolling screw-thread steel passes through the finish rolling nut, and the upper cover plate 14 and the lower cover plate 15 are respectively provided with holes for the finish rolling screw-thread steel to pass through.
The truss comprises an upper chord 16, a lower chord 17, a plurality of middle web members 18 and a plurality of inclined web members 19, wherein the upper chord 16 and the lower chord 17 are arranged in parallel, the upper end and the lower end of each middle web member 18 are respectively and vertically connected with the upper chord 16 and the lower chord 17, the inclined web members 19 are arranged in parallel, the inclined web members 19 are connected with the adjacent middle web members 18, specifically, the plurality of middle web members 18 are arranged in parallel, and the middle web members 18 are vertically connected with the upper chord 16 and the lower chord 17. In this embodiment, the diagonal web member 19 has one end connected to a middle web member 18 and the other end connected to the lower end of the middle web member 18 adjacent to the middle web member 18, and the truss is simple and lightweight, easy to maintain, and has high strength. The angle of 35-50 degrees is formed between the middle web member 19 and the middle web member 18, the angle of the middle web member 18 and the middle web member 19 is controlled to be 35-50 degrees, so that the truss structure is more stable, the middle web member 18 and the middle web member 19 are steel pipes, and the thickness of the steel pipes is not less than 10 mm so as to ensure the truss strength.
Further preferably, the upper chord 16 and the lower chord 17 have the same structure, and each of the upper chord 16 and the lower chord 17 includes a plurality of longitudinal main bars 20 arranged at intervals, a plurality of transverse bars 21 arranged at intervals, and a plurality of diagonal bars 22; the transverse rods 21 are fixedly connected with the longitudinal main rods 20 in a crossed manner, every two diagonal rods 22 are connected with the transverse rods 21 and the longitudinal main rods 20 in a crossed manner to form a 'rice' -shaped structure, specifically, the upper chord 16 and the lower chord 17 are used as outer baskets of the truss, when the jack 4 is stressed, the upper chord 16 and the lower chord 17 need to provide larger supporting force, the upper chord 16 and the lower chord 17 need to have larger strength, and the strength of the upper chord 16 and the lower chord 17 is enhanced by arranging the structures of the upper chord 16 and the lower chord 17. The two mutually-intersected diagonal rods 22 are provided with nodes, and stiffening rib plates 23 are arranged at the nodes; the upper chord 16 is welded to the upper deck plate 14, and the lower chord 17 is welded to the lower chord 17.
Further preferably, the connector 5 comprises an upper plate 24, a lower plate 25, a first riser 26 and a second riser 27; the first riser 26 and the second riser 27 are spaced apart and are used to connect the upper plate 24 and the lower plate 25; the connector 5 further comprises a bulkhead 28 for connecting the first 26 and second 27 risers; the diaphragm 28 is located between the upper plate 24 and the lower plate 25; the boom 12 passes through an upper plate 24 and a diaphragm plate 28, the upper plate 24 being provided with a third fixing member 29 for fixing the boom 12, and the diaphragm plate 28 being provided with a fourth fixing member 30 for fixing the boom 12.
The connector 5 is provided with a first vertical plate 26 and a second vertical plate 27, the first vertical plate 26 and the second vertical plate 27 are firmly connected through the upper plate 24, the lower plate 25 and the diaphragm plate 28, and the suspender 12 is fixedly connected with the upper plate 24 and the diaphragm plate 28 through a third fixing piece 29 and a fourth fixing piece 30, so that the suspender 12 and the connector 5 are effectively combined, and the connector 5 is provided with a stable structure and good strength.
The boom 12 passes through an upper plate 24 and a diaphragm plate 28, the upper plate 24 being provided with a first fixing 9 for fixing the boom 12, the diaphragm plate 28 being provided with a second fixing 10 for fixing the boom 12.
The connector 5 is provided with a first vertical plate 26 and a second vertical plate 27, the first vertical plate 26 and the second vertical plate 27 are firmly connected through the upper plate 24, the lower plate 25 and the diaphragm plate 28, and the suspender 12 is fixedly connected with the upper plate 24 and the diaphragm plate 28 through the first fixing piece 9 and the second fixing piece 10, so that the suspender 12 and the connector 5 are effectively combined, and the connector 5 is provided with a stable structure and better strength.
Further preferably, the lower plate 25 is provided with a downwardly extending lifting lug plate 31, the lifting lug plate 31 is provided with a lifting lug hole 32, the lifting lug plate 31 is used for connecting the wire rope 6, and the lifting lug hole 32 is used for allowing the wire rope 6 to pass through so as to be convenient for connecting the wire rope 6.
In this embodiment, the finish rolling screw thread steel is connected with the salvaged object through the connector 5, the force applied by the jack 4 is transferred to the finish rolling screw thread steel, the salvaging operation is performed on the salvaged object, the jack 4 is a tensioning jack 4 commonly used in the bridge construction process, namely, the jack 4 for providing tensioning force can be used for providing upward force when the jack 4 is used for salvaging, and accordingly, the salvaging is realized by performing upward lifting operation through the finish rolling screw thread steel.
Further preferably, the lifting lug plate 31 is provided with a first stiffening plate 33 at two sides, and the first stiffening plate 33 is fixedly connected with the lower plate 25. The lifting lug plate 31 is connected with the steel wire rope 6, when the steel wire rope 6 lifts an object in water, the lifting lug plate 31 is subjected to great pulling force of the steel wire rope 6, and for enabling the lifting lug plate 31 to have higher strength, first stiffening plates 33 are arranged on two sides of the lifting lug.
Further preferably, the upper plate 24 is provided with a plurality of second stiffening plates 34, the upper plate 24 is connected with the upper ends of the first riser 26 and the second riser 27 through the second stiffening plates 34, and in order to improve the connection strength between the upper plate 24 and the first riser 26 and between the upper plate 27 and the second riser 27, the connection between the first riser 26 and the second riser 27 is consolidated by arranging a plurality of second stiffening plates 34.
Further preferably, a plurality of third stiffening plates 35 are respectively arranged at two ends of the diaphragm plate 28, the third stiffening plates 35 at the left end of the diaphragm plate 28 are connected with the first vertical plate 26, the third stiffening plates 35 at the right end of the diaphragm plate 28 are connected with the second vertical plate 27, and the connection between the diaphragm plate 28 and the first vertical plate 26 and the connection between the diaphragm plate 27 are consolidated by arranging a plurality of third stiffening plates 35.
It is further preferred that the lower plate 25 is provided with a plurality of fourth stiffening plates 36, and the lower plate 25 is connected to the lower ends of the first riser 26 and the second riser 27 through the fourth stiffening plates 36, and the connection between the lower plate 25 and the first riser 26 and the second riser 27 is consolidated through the plurality of fourth stiffening plates 36.
Further preferably, the first fixing member 9 may be a flange plate, a fastening bolt or a fastening nut; the second fixing member 10 may be a flange plate, a fastening bolt, or a fastening nut.
In this embodiment, the lifting rod 12 is driven to move up and down by the jack 4, the lifting rod 12 is a finish rolling threaded rod, the lower end of the lifting rod 12 is fixedly connected with the connector 5, the connector 5 is provided with a lifting lug plate 31, the lifting lug plate 31 is provided with a lifting lug hole 32 for the external steel wire rope 6 to pass through, and the connection is used for connecting the lifting rod 12 and the steel wire rope 6 so as to salvage objects in water.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A salvaging device for bridge construction is characterized by comprising a barge, a fixed platform, a plurality of lifting devices and a plurality of connectors corresponding to the lifting devices;
one end of the fixed platform is fixed on the barge, and the other end of the fixed platform extends out of the barge;
the lifting equipment comprises a jack frame, a jack arranged on the jack frame and a suspender penetrating through the jack and arranged on the jack frame;
the connector is fixedly connected with the lower end of the suspender;
the fixed platform comprises a plurality of groups of bailey beams and a plurality of groups of fixing devices, one end of each bailey beam is fixed on the barge through the plurality of groups of fixing devices, and the other end of each bailey beam extends out of the barge; the multiple groups of fixing devices are arranged at equal intervals along the direction that the bailey beams extend out of the barge;
the fixing device comprises a first fixing piece, a second fixing piece and a distribution beam; the first fixing piece is connected with the bailey beam and the barge, and the second fixing piece is connected with the bailey beam and the barge; the distribution beam is positioned between the first fixing piece and the second fixing piece, is I-steel and is provided with an upper flange and a lower flange, the upper flange is fixedly connected with the bailey beam, and the lower flange is fixedly connected with the barge;
the upper ends of the first fixing piece and the second fixing piece extend out of the lower surface of the Bailey beam, a fixed connecting piece is arranged between the first fixing piece and the second fixing piece, the fixed connecting piece comprises a left side wing plate, a right side wing plate and a middle web plate, the left side wing plate is fixedly connected with the upper end of the first fixing piece, the right side wing plate is fixedly connected with the upper end of the second fixing piece, and the middle web plate is connected with the left side wing plate and the right side wing plate.
2. A fishing device for bridge construction according to claim 1, wherein: the cable connector further comprises a plurality of steel wire ropes which are respectively connected with the connectors.
3. A fishing device for bridge construction according to claim 1, wherein: the jack frame comprises a truss, an upper cover plate paved above the truss and a lower cover plate arranged below the truss; the upper cover plate comprises a plurality of transverse steel plates arranged at intervals, at least two I-steel plates for supporting the transverse steel plates and a plurality of lifting lugs fixed on the transverse steel plates; the transverse steel plates are fixedly connected with the I-steel in a crossed mode.
4. A fishing device for bridge construction according to claim 1, wherein: the jack and the jack frame are also respectively provided with finish rolling nuts for the suspenders to pass through.
5. A fishing device for bridge construction according to claim 3, wherein: the truss comprises an upper chord member, a lower chord member, a plurality of middle web members and a plurality of inclined web members, wherein the upper chord member and the lower chord member are arranged in parallel, the upper end and the lower end of each middle web member are respectively and vertically connected with the upper chord member and the lower chord member, the inclined web members are arranged in parallel, and the inclined web members are connected with the adjacent middle web members.
6. The fishing device for bridge construction according to claim 5, wherein: the upper chord member and the lower chord member have the same structure, and each of the upper chord member and the lower chord member comprises a plurality of longitudinal main rods arranged at intervals, a plurality of transverse rods arranged at intervals and a plurality of diagonal rods; the transverse rods are fixedly connected with the longitudinal main rods in a crossed manner, and every two inclined rods are connected with the transverse rods in a crossed manner and form a 'rice' -shaped structure with the longitudinal main rods.
7. A fishing device for bridge construction according to claim 1, wherein: the connector comprises an upper plate, a lower plate, a first vertical plate and a second vertical plate; the first vertical plate and the second vertical plate are arranged at intervals and are used for connecting the upper plate and the lower plate; the connector further comprises a bulkhead for connecting the first riser and the second riser; the diaphragm plate is positioned between the upper plate and the lower plate; the boom passes upper plate and diaphragm, the upper plate is equipped with and is used for fixing the third mounting of boom, the diaphragm is equipped with and is used for fixing the fourth mounting of boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298476.8A CN108045514B (en) | 2017-12-08 | 2017-12-08 | Fishing device for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298476.8A CN108045514B (en) | 2017-12-08 | 2017-12-08 | Fishing device for bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108045514A CN108045514A (en) | 2018-05-18 |
| CN108045514B true CN108045514B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711298476.8A Active CN108045514B (en) | 2017-12-08 | 2017-12-08 | Fishing device for bridge construction |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112793729B (en) * | 2021-01-25 | 2022-08-23 | 中国铁建港航局集团有限公司 | Anti-slamming device |
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