CN220761469U - Inner welding arm support for arc U-shaped rib - Google Patents

Inner welding arm support for arc U-shaped rib Download PDF

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Publication number
CN220761469U
CN220761469U CN202322416154.6U CN202322416154U CN220761469U CN 220761469 U CN220761469 U CN 220761469U CN 202322416154 U CN202322416154 U CN 202322416154U CN 220761469 U CN220761469 U CN 220761469U
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long
arm support
position hole
welding
locking bolt
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CN202322416154.6U
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Inventor
朱本芳
刘建军
刘立
柴瑞骏
刘学
胡文喜
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Hubei Tiangao Steel Bridge Zhizao Technology Co ltd
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Hubei Tiangao Steel Bridge Zhizao Technology Co ltd
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Abstract

The utility model discloses an inner welding arm support for an arc U rib, which relates to the technical field of plate unit welding equipment and comprises a plurality of arm support connecting columns and a plurality of connecting devices, wherein the adjacent arm support connecting columns are connected through the connecting devices, the connecting devices are provided with long-position hole connecting plates, long-position holes and first locking bolts are arranged on the long-position hole connecting plates, one end of each arm support connecting column is provided with a long-position hole connecting bolt hole, and one end of each long-position hole connecting plate, which is provided with a long-position hole connecting bolt hole, is detachably arranged on the upper surface of one end of each arm support connecting column, which is provided with a long-position hole connecting bolt hole, through the first locking bolts. According to the utility model, the upper surfaces of the end surfaces of the adjacent two inner welding arm frames are connected by adopting the long-position hole connecting plate, and under the dragging effect of the first locking bolt, the connecting parts of the adjacent two arm frame connecting columns can realize a certain degree of upward arch or downward recess due to the existence of the long-position hole, so that the inner welding device can be used for the inner welding requirement of the arc-shaped plate units.

Description

Inner welding arm support for arc U-shaped rib
Technical Field
The utility model relates to the technical field of plate unit welding equipment, in particular to an inner welding arm support for an arc U-shaped rib.
Background
The steel box girder bridge deck structure adopted by the existing bridge comprises a plate unit, wherein the plate unit comprises longitudinal ribs and a steel deck, and when the plate unit is manufactured, two side webs of the longitudinal ribs and the steel deck are required to be welded along longitudinal angle joints. The longitudinal ribs are generally U-ribs (U-ribs). The U-ribs are slender and narrow, typically exceeding 12m in length, and welding of such ultra-long plate units typically employs two or more trolley supports with an ultra-long welding platform as a weld turnover mechanism.
The welding of the plate units is mainly carried out by adopting a welding process of combining internal and external welding, wherein the internal welding is carried out by adopting an internal welding system, the internal welding system generally refers to a portal frame for mounting a plurality of internal welding machines, and the internal welding trolley at the traction end part of the plurality of internal welding arm frames walks in the U rib to finish the internal welding process.
The utility model provides a synchronous integrative ship position submerged arc welding system of inside and outside longitudinal joint of board unit U rib and its technology that publication No. CN114393284A relates to welding technical field, wherein just disclose interior welding system including interior welding portal frame, interior welding translatable welding upset sloping device, at least one welding trolley traction post, traction post connecting plate and the stepless adjustable welding trolley of at least one double-end interval, interior welding portal frame is located the track and walks, interior welding translatable welding upset sloping device's base is installed on interior welding portal frame, welding trolley traction post's one end passes through traction post connecting plate and connects to be installed on interior welding translatable welding upset sloping device's rotatory carousel, the stepless adjustable welding trolley of double-end interval installs and connects the other end at welding trolley traction post, and follow interior welding portal frame's removal and insert board unit U rib inside and accomplish the welding to inside longitudinal joint.
The welding trolley traction column is an inner welding arm support, the inner welding arm support is usually positioned on the bearing frame and moves left and right under the driving of the inner welding portal frame, the inner welding arm support is a straight steel structural member, and the straight steel structural member cannot be used for inner welding of a plurality of plate units with certain design radian in the actual use process.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an inner welding arm support for an arc U-shaped rib. The following technical scheme is adopted:
the utility model provides an interior welding cantilever crane for arc U rib, includes portable portal frame, interior welding machine, support frame, interior welding cantilever crane and interior welding dolly, and portable portal frame is located the track and removes, interior welding machine sets up on portable portal frame, interior welding dolly is connected on portable portal frame through interior welding cantilever crane, follows portable portal frame translation, interior welding dolly is connected with interior welding machine electricity, interior welding cantilever crane includes many cantilever crane spliced poles and a plurality of connecting device, connects through connecting device between the adjacent cantilever crane spliced pole, connecting device is equipped with the rectangular hole connecting plate, be equipped with rectangular hole and first locking bolt on the rectangular hole connecting plate, the one end that rectangular hole connecting plate is equipped with rectangular hole connecting bolt hole's one end is through first locking bolt demountable installation on the upper surface of the one end that the cantilever crane spliced pole set up rectangular hole connecting bolt hole, the other end of rectangular hole connecting plate is installed and is not set up rectangular hole connecting bolt's one end's upper surface at adjacent cantilever crane spliced pole.
By adopting the technical scheme, in order to enable the inner welding arm support to be suitable for the inner welding requirements of plate units with different lengths, the structure type of multi-section connection is adopted, the structure type is realized by adopting a plurality of arm support connecting columns, two adjacent arm support connecting columns are connected through a connecting device, and according to the welding requirements of the plate units with different lengths, the structure type is realized by adopting the connecting device to connect and adapt the plurality of arm support connecting columns with different numbers or sizes;
when the arc-shaped plate units are required to be welded, the welding cannot be performed in an end butt joint mode, at the moment, the upper surfaces of the end faces of the two adjacent inner welding arm frames are connected by adopting a long-position hole connecting plate, and under the dragging effect of the first locking bolt, the connecting parts of the two adjacent arm frame connecting columns can achieve upward arch or downward recess to a certain extent due to the existence of the long-position holes, so that the arc-shaped plate units can be used for inner welding requirements.
Optionally, the connecting device comprises a pair of connecting post end butt joint plates, a long hole connecting plate, a first locking bolt and a plurality of second locking bolts, wherein the connecting plates are respectively arranged at two ends of the arm support connecting post, the pair of connecting post end butt joint plates are respectively fixedly arranged at two ends of the arm support connecting post, and the pair of connecting post end butt joint plates are respectively locked through a third plurality of third locking bolts;
one side of the long-position hole connecting plate is provided with a long-position hole and a first locking bolt, the other side of the long-position hole connecting plate is provided with a locking bolt hole and a second locking bolt, the first locking bolt locks one side of the long-position hole on the upper surface of one end of the arm support connecting column, which is provided with the long-position hole connecting bolt hole, and the second locking bolt penetrates through the locking bolt hole to be locked on the upper surface of one end of the adjacent arm support connecting column, which is not provided with the long-position hole connecting bolt hole.
By adopting the technical scheme, in particular, when the device is used, two sets of connection schemes are actually adopted, one set of connection piece is a pair of connection post end butt joint plates, a plurality of bolt holes or through holes are formed in the connection post end butt joint plates, so that locking connection of two adjacent arm support connection posts can be realized, after the connection mode is locked, displacement cannot be carried out between the two adjacent arm support connection posts, and the device can be suitable for internal welding of a plate unit without radian;
the other set of connection scheme is that the connecting plate of the long position hole is connected, one side of the connecting plate of the long position hole is provided with the long position hole, a first locking bolt is used for locking a long position hole connecting bolt hole arranged on the upper surface of one end of the arm support connecting column, the first locking bolt can be positioned in the long position hole and is provided with a displacement amount, the other side of the connecting plate of the long position hole is provided with a locking bolt hole, the other end upper surface of the other end of the adjacent two arm support connecting columns is locked through a second locking bolt, after the combined inner welding arm support enters the inside of the U rib with the arc-shaped plate unit, in order to match the change of radian, the joint of the adjacent two arm support connecting columns can be arched or sunken by a certain amount due to the fact that the first locking bolt can be positioned in the long position hole, so that the inner welding can be matched with the arc.
Optionally, the number of locking bolt holes and second locking bolts is three.
By adopting the technical scheme, the locking effect is better by adopting three second locking bolts.
Optionally, when the inner welding arm support is used for welding a flat plate unit, the connecting device is locked at the ends of two adjacent arm support connecting posts by adopting a pair of connecting post end butt plates;
when the inner welding arm support is used for welding the plate unit with the arc shape, the connecting device is locked on the upper surfaces of the end parts of the connecting columns of the two adjacent arm supports by adopting the long-position hole connecting plate.
In summary, the present utility model includes at least one of the following beneficial technical effects:
the utility model can provide an inner welding arm support for an arc U rib, in order to enable the inner welding arm support to be suitable for the inner welding requirements of plate units with different lengths, the inner welding arm support is of a multi-section connection structure type, and is realized by adopting a plurality of arm support connecting columns, wherein two adjacent arm support connecting columns are connected through a connecting device, and according to the welding requirements of the plate units with different lengths, the inner welding arm support can be realized by adopting a plurality of arm support connecting columns with different numbers or sizes to be connected and adapted through adopting the connecting device;
the connecting plate with the long position holes is adopted to connect the upper surfaces of the end surfaces of the two adjacent inner welding arm frames, and under the dragging effect of the first locking bolt, the connecting parts of the connecting posts of the two adjacent arm frames can realize upward arching or downward sinking to a certain extent due to the existence of the long position holes, so that the connecting plates can be used for the inner welding requirement of the arc-shaped plate units.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model applied to a board unit internal welding system;
FIG. 2 is a schematic view of the partial enlarged structure of the area A of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 with the first and second lock bolts removed, with a partial enlargement of area A;
fig. 4 is a schematic diagram of the end structure of the inner welding arm support of the utility model.
Reference numerals illustrate: 1. a mobile portal frame; 2. an internal welding machine; 3. a support frame; 4. an inner welding arm support; 41. the arm support connecting column; 42. a connecting column end butt plate; 43. a lightening hole; 51. a long-position hole connecting plate; 511. a long hole; 512. a first locking bolt; 513. a second locking bolt; 514. a third locking bolt; 515. locking bolt holes; 5. and (5) an internal welding trolley.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses an inner welding arm support for an arc U-shaped rib.
Referring to fig. 1-4, embodiment 1, an inner welding arm support for arc-shaped U ribs, including a movable gantry 1, an inner welding machine 2, a support frame 3, an inner welding arm support 4 and an inner welding trolley 5, wherein the movable gantry 1 moves on a track, the inner welding machine 2 is arranged on the movable gantry 1, the inner welding trolley 5 is connected on the movable gantry 1 through the inner welding arm support 4, and moves along with the movable gantry 1, the inner welding trolley 5 is electrically connected with the inner welding machine 2, the inner welding arm support 4 comprises a plurality of arm support connecting posts 41 and a plurality of connecting devices, the adjacent arm support connecting posts 41 are connected through the connecting devices, the connecting devices are provided with long-position hole connecting plates 51, long-position holes 511 and first locking bolts 512 are arranged on the long-position hole connecting plates 51, one ends of the long-position hole connecting plates 51 with the long-position hole connecting bolt holes 411 are detachably installed on the upper surfaces of one ends of the connecting posts 41 with the long-position hole connecting holes, and the other ends of the long-position connecting plates 51 are installed on the surfaces of the adjacent arm support connecting posts 41 without the long-position connecting posts 41.
In order to enable the inner welding arm support 4 to be suitable for the inner welding requirements of plate units with different lengths, the multi-section connecting structure is adopted, the multi-section connecting structure is specifically realized by adopting a plurality of arm support connecting columns 41, two adjacent arm support connecting columns 41 are connected through a connecting device, and according to the welding requirements of the plate units with different lengths, the multi-section connecting columns 41 with different numbers or sizes are connected and adapted through the connecting device;
when the arc-shaped plate units are required to be welded, the welding cannot be performed in an end butt joint mode, at this time, the upper surfaces of the end faces of the adjacent two inner welding arms 4 are connected by adopting the long-position hole connecting plate 51, and under the dragging effect of the first locking bolt 512, the connecting parts of the adjacent two arm frame connecting columns 41 can be arched upwards or sunken downwards to a certain extent due to the existence of the long-position holes 511, so that the arc-shaped plate units can be used for inner welding requirements.
The connecting device comprises a pair of connecting column end butt plates 42, a long-position hole connecting plate 51, a first locking bolt 512 and a plurality of second locking bolts 513, wherein connecting plates are respectively arranged at two ends of the arm support connecting column 41, and the pair of connecting column end butt plates 42 are respectively fixedly arranged at two ends of the arm support connecting column 41; the pair of connecting post end abutment plates 42 are respectively locked by a third plurality of third locking bolts 514;
one side of the long hole connecting plate 51 is provided with a long hole 511 and a first locking bolt 512, the other side is provided with a locking bolt hole 515 and a second locking bolt 513, the first locking bolt 512 locks one side of the long hole 511 on the upper surface of one end of the arm support connecting column 41 where the long hole connecting bolt hole 411 is arranged, and the second locking bolt 513 penetrates through the locking bolt hole 515 to be locked on the upper surface of one end of the adjacent arm support connecting column 41 where the long hole connecting bolt hole 411 is not arranged.
In particular, when the device is used, two sets of connection schemes are actually adopted, one set of connection piece is a pair of connection post end butt joint plates 42, a plurality of bolt holes or through holes are formed in the connection post end butt joint plates 42, so that locking connection of two adjacent arm support connection posts 41 can be realized, after the connection mode is locked, displacement cannot be carried out between the two adjacent arm support connection posts 41, and the device is applicable to internal welding of a plate unit without radian;
the other set of connection scheme is that a long-position hole connection plate 51 is used for connection, one side of the long-position hole connection plate 51 is provided with a long-position hole 511, a first locking bolt 512 is used for locking a long-position hole connection bolt hole 411 arranged on the upper surface of one end of a cantilever support connection column 41, the first locking bolt 512 can be positioned in the long-position hole 511 for displacement, the other side of the long-position hole connection plate 51 is provided with a locking bolt hole 515, the locking bolt 515 is locked on the upper surface of the other end of the adjacent two cantilever support connection columns 41 through a second locking bolt 513, after the combined inner welding cantilever support 4 enters the U rib of the arc-shaped plate unit, in order to match the change of radian, the connection part of the adjacent two cantilever support connection columns 41 can be arched or sunken a certain amount upwards due to the fact that the first locking bolt 512 can be positioned in the long-position hole 511, so that the inner welding can be matched with the arc shape;
the number of locking bolt holes 515 and second locking bolts 513 is three.
The locking effect is better by adopting three second locking bolts 513.
When the inner welding arm support 4 is used for welding a flat plate unit, the connecting device is locked at the ends of two adjacent arm support connecting posts 41 by adopting a pair of connecting post end butt joint plates 42;
when the inner welding arm support 4 is used for welding the plate units with the arc shapes, the connecting device is locked on the upper surfaces of the end parts of the two adjacent arm support connecting columns 41 by adopting the long-position hole connecting plates 51.
In particular, when in application, the arm support connecting column 41 is made of rectangular section bars, a plurality of weight reducing holes 43 can be uniformly formed in the arm support connecting column 41, and the weight reducing holes 43 can be used for assembling bolts.
The above embodiments are not intended to limit the scope of the present utility model, and therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (4)

1. The utility model provides an interior cantilever crane that welds for arc U rib, includes portable portal frame (1), interior welding machine (2), support frame (3), interior cantilever crane (4) and interior welding dolly (5), and portable portal frame (1) are located the track and remove, interior welding machine (2) set up on portable portal frame (1), interior welding dolly (5) are connected on portable portal frame (1) through interior welding cantilever crane (4), follow portable portal frame (1) translation, interior welding dolly (5) are connected with interior welding machine (2) electricity, its characterized in that: the inner welding arm support (4) comprises a plurality of arm support connecting columns (41) and a plurality of connecting devices, the adjacent arm support connecting columns (41) are connected through the connecting devices, the connecting devices are provided with long-position hole connecting plates (51), long-position holes (511) and first locking bolts (512) are arranged on the long-position hole connecting plates (51), long-position hole connecting bolt holes (411) are formed in one ends of the arm support connecting columns (41), one ends of the long-position hole connecting plates (51) provided with the long-position hole connecting bolt holes (411) are detachably mounted on the upper surfaces of one ends of the arm support connecting columns (41) provided with the long-position hole connecting bolt holes (411) through the first locking bolts (512), and the other ends of the long-position hole connecting plates (51) are mounted on the upper surfaces of one ends of the adjacent arm support connecting columns (41) which are not provided with the long-position hole connecting bolt holes (411).
2. An inner welding boom for an arcuate U-shaped rib as defined in claim 1, wherein: the connecting device comprises a pair of connecting column end butt joint plates (42), a long-position hole connecting plate (51), a first locking bolt (512) and a plurality of second locking bolts (513), wherein connecting plates are respectively arranged at two ends of the arm support connecting column (41), the pair of connecting column end butt joint plates (42) are respectively fixedly arranged at two ends of the arm support connecting column (41), and the pair of connecting column end butt joint plates (42) are respectively locked through a third plurality of third locking bolts (514);
one side of the long-position hole connecting plate (51) is provided with a long-position hole (511) and a first locking bolt (512), the other side of the long-position hole connecting plate is provided with a locking bolt hole (515) and a second locking bolt (513), the first locking bolt (512) locks one side of the long-position hole (511) on the upper surface of one end of the arm support connecting column (41) where the long-position hole connecting bolt hole (411) is arranged, and the second locking bolt (513) penetrates through the locking bolt hole (515) to be locked on the upper surface of one end of the adjacent arm support connecting column (41) where the long-position hole connecting bolt hole (411) is not arranged.
3. An inner welding boom for an arcuate U-shaped rib as defined in claim 2, wherein: the number of locking bolt holes (515) and second locking bolts (513) is three.
4. An inner welding boom for an arcuate U-rib as defined in claim 3, wherein:
when the inner welding arm support (4) is used for welding a flat plate unit, the connecting device is locked at the ends of two adjacent arm support connecting posts (41) by adopting a pair of connecting post end butt joint plates (42);
when the inner welding arm support (4) is used for welding the plate unit with the arc shape, the connecting device is locked on the upper surfaces of the end parts of the two adjacent arm support connecting columns (41) by adopting the long-position hole connecting plate (51).
CN202322416154.6U 2023-09-06 2023-09-06 Inner welding arm support for arc U-shaped rib Active CN220761469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322416154.6U CN220761469U (en) 2023-09-06 2023-09-06 Inner welding arm support for arc U-shaped rib

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322416154.6U CN220761469U (en) 2023-09-06 2023-09-06 Inner welding arm support for arc U-shaped rib

Publications (1)

Publication Number Publication Date
CN220761469U true CN220761469U (en) 2024-04-12

Family

ID=90616717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322416154.6U Active CN220761469U (en) 2023-09-06 2023-09-06 Inner welding arm support for arc U-shaped rib

Country Status (1)

Country Link
CN (1) CN220761469U (en)

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