CN112627341A - Steel column butt joint support frame and steel column butt joint construction method applying support frame - Google Patents
Steel column butt joint support frame and steel column butt joint construction method applying support frame Download PDFInfo
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- CN112627341A CN112627341A CN202011558730.5A CN202011558730A CN112627341A CN 112627341 A CN112627341 A CN 112627341A CN 202011558730 A CN202011558730 A CN 202011558730A CN 112627341 A CN112627341 A CN 112627341A
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- steel column
- adjusting nut
- rod piece
- steel
- support frame
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
Abstract
The invention discloses a steel column butt joint support frame and a steel column butt joint construction method applying the support frame, and belongs to the technical field of steel column butt joint. When the steel column butt joint support frame is used for butt joint welding of steel columns, the steel columns can be prevented from deviating, and welding precision is guaranteed.
Description
Technical Field
The invention belongs to the technical field of steel column butt joint, and particularly relates to a steel column butt joint support frame and a steel column butt joint construction method using the support frame.
Background
When the super high-rise steel structure is installed, steel columns are often required to be in butt joint connection, and the quality and safety performance of the whole structure are directly affected by the butt joint quality of the steel columns.
The connecting device for the butt joint of the steel columns commonly used at present comprises an ear plate, a connecting clamping plate and a bolt. Through set up the bolt hole on two otic placodes to set up the bolt hole on two splice plate, through two splice plate centre clampings to connect two otic placodes, through the bolt fastening back again, make two otic placodes link into an organic whole structure. The connecting device can be used for butting of inclined steel pipe columns without arranging temporary fixing facilities.
However, after a worker lifts a steel column to a specified position, connecting clamping plates and bolts which are prepared in advance are installed on two sides, provided with lug plates, of a lower installation column and an upper installation column to be installed, the four connecting plates are butted and accurately penetrated with installation hexagon bolts, after the bolts are tightly screwed, the bolts can be picked and hooked, the whole process of a tower crane in a load state lasts for about 10-15 minutes all the time, and great potential safety hazards are left. In addition, when the horizontal elevation of the steel column is adjusted and the verticality is measured, a bearing platform is welded on a column body of the steel column below in the traditional method, a jack is placed, a column body welding vertex above the steel column is welded, the device is welded on four sides of each column, time and labor are wasted, and the correction precision is not high.
Disclosure of Invention
The invention aims to provide a steel column butt joint support frame and a steel column butt joint construction method using the support frame, and aims to solve the technical problems.
Therefore, the invention provides a steel column butt joint support frame, which comprises:
the connecting claw comprises a connecting claw body and a plurality of grabbing rods connected with the connecting claw body;
the bottom of the lower support rod piece is detachably connected with the connecting claw body, and the top of the lower support rod piece is in threaded connection with a lower adjusting nut;
the top of the upper supporting rod piece is provided with a holding part, the bottom of the upper supporting rod piece is in threaded connection with an upper adjusting nut, the upper adjusting nut and the lower adjusting nut are connected through a nut limiting part, and therefore the distance between the upper adjusting nut and the lower adjusting nut is kept unchanged when the upper adjusting nut and the lower adjusting nut move vertically.
Preferably, nut locating part includes connecting steel plate, last connecting steel plate and cotter down, connecting steel plate body coupling is inboard at adjusting nut's top down, it is inboard at last adjusting nut's bottom to go up connecting steel plate body coupling, the cotter will be down connecting steel plate and last connecting steel plate be connected.
Preferably, the top of the lower connecting steel plate is provided with a lower annular rail along the circumferential direction, a circle of steel balls are arranged in the lower annular rail, the tops of the steel balls exceed the top of the lower connecting steel plate, and the bottom of the upper connecting steel plate is provided with an upper annular rail matched with the steel balls.
Preferably, the connecting claw body is connected with a fixed clamping groove plate, and a clamping groove matched with the bottom of the lower support rod piece is formed between the fixed clamping groove plates.
Preferably, the bottom of the lower support rod is connected with the connecting claw body through a dismounting bolt.
Preferably, the lower part support member is zigzag, includes the first vertical section of lower part, the first buckling section of lower part and the vertical section of lower part second that connect gradually from supreme down, the laminating of the first vertical section of lower part is connected in one side of connecting the claw body, and the first vertical section of lower part is located the both sides of connecting the claw body with the grab bar, the first buckling section of lower part is buckled to the direction of keeping away from the grab bar, the top and the lower adjusting nut threaded connection of the vertical section of lower part second.
Preferably, upper portion support member is the dogleg shape, includes the first vertical section in upper portion and the first bending segment in upper portion that connect gradually from supreme down, the first vertical section in upper portion is located same vertical line with the vertical section of lower part second, the bottom and the last adjusting nut threaded connection of the first vertical section in upper portion, the first bending segment in upper portion is buckled to the direction that is close to grabbing the pole, the tip of the first bending segment in upper portion is equipped with grabs the portion of holding.
In addition, the invention also provides a steel column butt joint construction method applying the steel column butt joint support frame, which comprises the following steps:
firstly, pressure-bearing holes are formed in the bottom side wall of an upper steel column and the top side wall of a lower steel column in a penetrating mode;
step two, manufacturing the steel column butt joint support frame, separating the lower support rod piece from the connecting claw, and connecting the upper support rod piece with the lower support rod piece;
step three, connecting the connecting claws with the bearing holes of the lower steel column, and hoisting the lower steel column to an installation site;
fourthly, connecting the grasping part of the upper support rod piece with a pressure bearing hole of the upper steel column, and hoisting the upper steel column to be right above the lower steel column;
step five, continuously lowering the upper steel column until the bottom of the lower supporting rod piece is attached to the connecting claw body, and connecting the bottom of the lower supporting rod piece with the connecting claw body to finish hoisting;
adjusting the horizontal elevation, measuring the verticality, and finely adjusting an upper adjusting nut and a lower adjusting nut to enable the upper steel column and the lower steel column to be completely butted;
welding the upper steel column and the lower steel column;
and step eight, unscrewing the upper adjusting nut and the lower adjusting nut, separating the lower supporting rod piece from the connecting claw, taking down the upper supporting rod piece, the lower supporting rod piece and the connecting claw, and finally performing repair welding on the pressure-bearing holes of the upper steel column and the lower steel column.
Preferably, in the fifth step, when the upper steel column is lowered to the position where the bottom of the lower support rod is inserted into the slot formed by the fixing slot plate, the bottom of the lower support rod is connected with the connecting claw body by using the dismounting bolt.
Preferably, the method for adjusting the horizontal elevation and measuring the verticality in the sixth step comprises the following steps: when the horizontal elevation is higher than the design standard, the lower adjusting nut and the upper adjusting nut are simultaneously screwed downwards, and when the horizontal elevation is lower than the design standard, the lower adjusting nut and the upper adjusting nut are simultaneously screwed upwards;
and measuring the verticality by using a total station, and adjusting the front, back, left and right positions of the lower adjusting nut and the upper adjusting nut until the verticality meets the acceptance standard.
Compared with the prior art, the invention has the characteristics and beneficial effects that:
(1) the invention designs a steel column butt joint support frame which comprises a connecting claw, a lower supporting rod piece and an upper supporting rod piece, wherein the connecting claw is detachably connected with a lower steel column, the bottom of the lower supporting rod piece is connected with the connecting claw through a dismounting bolt, the upper supporting rod piece is detachably connected with an upper steel column, the lower supporting rod piece and the upper supporting rod piece are connected through an upper adjusting nut, a lower adjusting nut and a nut limiting piece, the distance between the upper adjusting nut and the lower adjusting nut is kept unchanged when the upper adjusting nut and the lower adjusting nut move along the vertical direction, and the horizontal elevation and the verticality of the steel column can be adjusted conveniently to meet the requirements of design and specification.
(2) According to the steel column butt joint support frame, the lower annular rail is arranged at the top of the lower adjusting nut, the lower annular rail is arranged at the bottom of the upper adjusting nut, and the circle of steel balls are arranged in the lower annular rail and the lower annular rail, so that the support frame is uniformly stressed in a load state, friction generated when the nut is rotated is reduced, and the adjusting nut is easier to screw when the verticality and the horizontal elevation of a steel column are adjusted.
(3) The steel column butt joint support frame is detachably connected with the steel column, and the support frame can be repeatedly used in a turnover mode, so that the waste of materials is reduced. And the support frame is convenient to be connected and dismantled with the steel column to when the steel column butt joint welding, can guarantee that the steel column can not take place the skew, be favorable to guaranteeing the welding precision.
(4) According to the invention, the steel columns are subjected to dead weight pressure of the upper steel columns for a long time during butt joint, and the support is safer and more stable, for example, a rectangular column is taken, two groups of support frames are additionally arranged on each surface, so that the load of the upper steel columns is uniformly distributed in eight support frames, and the safe and stable operation environment on site is met.
(5) The horizontal elevation measurement and the verticality measurement in the steel column butt joint construction method provided by the invention are both based on the engineering design elevation, and the steel column butt joint welding seam allowance is adjusted under the condition that the specification requirement is met. When the level elevation is higher than the design standard, the lower adjusting nut and the upper adjusting nut are simultaneously screwed downwards, and when the level elevation is lower than the design standard, the lower adjusting nut and the upper adjusting nut are simultaneously screwed upwards. The measurer sets up a special total station to measure the verticality, follows the remote instruction of the measurer, and simultaneously screws down the adjusting nut and the upper adjusting nut to adjust the lower adjusting nut and the upper adjusting nut forwards, backwards, leftwards and rightwards until the verticality meets the acceptance standard. Compared with the prior art, the adjusting device is easier to operate, the efficiency can be greatly improved through the upper and lower 16 groups of adjusting nuts of the eight groups of supporting frames, redundant actions of repeated adjustment are reduced, and additional fixation is not needed after the adjustment is completed.
Drawings
Fig. 1 is a schematic view of a steel column in a main view (omitting the supporting frame on the side of the steel column).
Fig. 2 is a schematic side view of the abutting joint of the steel columns (omitting the supporting frame on the front side of the steel columns).
FIG. 3 is a schematic top view of steel column.
Fig. 4 shows the range of operation of the welding robot arm.
Fig. 5 shows the fire protection arrangement range.
Fig. 6 is a schematic structural view of a steel column docking cradle.
Fig. 7 is a schematic view of the lower adjusting nut.
Fig. 8 is a cross-sectional schematic view of the lower adjusting nut.
Fig. 9 is a schematic top view of the lower adjusting nut (showing the steel balls).
Fig. 10 is a schematic view of an upper adjustment nut.
Fig. 11 is a schematic cross-sectional view of an upper adjustment nut.
FIG. 12 is a schematic top view of the upper adjustment nut (showing the steel balls).
The attached drawings are marked as follows: 1-connecting claw, 101-connecting claw body, 102-grabbing rod, 2-lower supporting rod piece, 21-lower first vertical section, 22-lower first bending section, 23-lower second vertical section, 3-upper supporting rod piece, 31-upper first vertical section, 32-upper first bending section, 4-lower adjusting nut, 5-upper adjusting nut, 6-lower connecting steel plate, 7-upper connecting steel plate, 8-pin bolt, 9-lower annular rail, 10-steel ball, 11-upper annular rail, 12-fixing clamping groove plate, 13-upper steel column, 14-lower steel column, 15-pressure-bearing hole, 16-dismounting bolt and 17-gripping part.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 6 to 12, a steel column butt-joint support frame includes a connection claw 1, a lower support rod 2 and an upper support rod 3.
The coupling claw 1 includes a coupling claw body 101 and a plurality of gripper bars 102 coupled to the coupling claw body 101.
The bottom of the lower support rod 2 is detachably connected to the connecting claw body 101, and specifically, the bottom of the lower support rod 2 is connected to the connecting claw body 101 by a detaching bolt 16. The top of the lower support rod 2 is in threaded connection with a lower adjusting nut 4.
The top of upper portion support member 3 is equipped with grabs hold 17, and its bottom threaded connection has last adjusting nut 5, connects through nut locating part between last adjusting nut 5 and the lower adjusting nut 4, and then makes the interval between the two when going up adjusting nut 5 and the vertical motion of lower adjusting nut 4 keep unchangeable. When the upper and lower adjusting nuts 5 and 4 are screwed up or down, the upper and lower adjusting nuts 5 and 4 move up or down simultaneously. When the thread of the upper adjusting nut 5 is too short, the adjustment can be performed by adjusting the lower adjusting nut 4. When the thread of the lower adjusting nut 4 is too short, the adjustment can be performed by adjusting the upper adjusting nut 5. Thereby preventing the thread length from being incapable of being adjusted due to too short thread of the nut when the upper adjusting nut 5 or the lower adjusting nut 4 is independently adjusted.
Specifically, the nut limiting part comprises a lower connecting steel plate 6, an upper connecting steel plate 7 and a pin 8, wherein the lower connecting steel plate 6 is integrally connected to the inner side of the top of the lower adjusting nut 4, the upper connecting steel plate 7 is integrally connected to the inner side of the bottom of the upper adjusting nut 5, and the pin 8 is used for connecting the lower connecting steel plate 6 with the upper connecting steel plate 7.
The top of lower connecting steel plate 6 has seted up lower part annular rail 9 along the circumferencial direction, is equipped with round steel ball 10 in the lower part annular rail 9, and the top of steel ball 10 surpasss the top of lower connecting steel plate 6, and the bottom of going up connecting steel plate 7 is seted up and is seted up upper portion annular rail 11 with steel ball 10 complex. The arrangement of the steel balls 10 is beneficial to enabling the whole support frame to be stressed uniformly in a load state, reducing friction generated when the upper adjusting nut 5 and the lower adjusting nut 4 are rotated, and enabling the upper adjusting nut 5 and the lower adjusting nut 4 to be screwed more easily when the verticality and the horizontal elevation of the steel column are adjusted.
The connecting claw body 101 is connected with fixing clamping groove plates 12, and clamping grooves matched with the bottoms of the lower supporting rod pieces 2 are formed between the fixing clamping groove plates 12 and used for preventing the lower supporting rod pieces 2 from being sheared too much due to the fact that the upper steel columns 13 are too large in mass. In addition, the formation of the catching grooves between the fixing catching groove plates 12 also facilitates the positioning of the lower support link 2 to the side of the connecting claw body 101.
Lower part support rod piece 2 is the dogleg shape, includes the first vertical section 21 of lower part, the first kinking 22 of lower part and the vertical section 23 of lower part second that connect gradually from supreme down, and the laminating of the first vertical section 21 of lower part is connected in one side of connecting claw body 101 to the first vertical section 21 of lower part is located the both sides of connecting claw body 101 with grabbing pole 102, and the first kinking 22 of lower part is buckled to the direction of keeping away from grabbing pole 102, the top and the lower adjusting nut 4 threaded connection of the vertical section 23 of lower part second.
The upper portion support rod piece 3 is the dogleg shape, includes the first vertical section 31 in upper portion and the first bending segment 32 in upper portion that connect gradually from supreme down, and the first vertical section 31 in upper portion is located same vertical line with the vertical section 23 of lower part second, and the bottom and the last adjusting nut 5 threaded connection of the first vertical section 31 in upper portion, the first bending segment 32 in upper portion are buckled to the direction that is close to grabbing pole 102, and the tip of the first bending segment 32 in upper portion is equipped with grabs hold portion 17.
The upper supporting rod piece 3 and the lower supporting rod piece 2 adopt a broken line type structure, so that a large enough space is ensured between the steel column butt joint supporting frame and the steel column for arranging an automatic welding machine, and the implementation of the work of welding seams, flaw detection and the like can also be ensured.
The steel column butt joint construction method applying the steel column butt joint support frame comprises the following steps:
step one, according to the weight of the steel column and the condition of a lifting point, enough steel wire ropes and clamping rings with different lengths and specifications are prepared. The steel ladder stand is well fixed on the column body, the ladder stand is provided with three layers and is used reversely, and a safety ring for pulling the safety rope is welded well, so that the safety of operators who execute the next procedure is ensured. In order to ensure the hoisting balance, a steel wire rope with enough strength is hung under the lifting hook for hoisting, and in order to prevent the damage of the ground and the steel column caused by the dragging of the steel column on the ground when the steel column is hoisted, sleepers are well arranged below the steel column. The cat ladder is tied up well before the steel column lifts by crane, and the cat ladder will be with the ligature of double strand 12 # iron wire. And pressure-bearing holes 15 are formed in the bottom side wall of the upper steel column 13 and the top side wall of the lower steel column 14 in a penetrating mode.
And step two, manufacturing the steel column butt joint support frame, separating the lower support rod piece 2 from the connecting claw 1, and connecting the upper support rod piece 3 with the lower support rod piece 2.
And step three, connecting the connecting claws 1 with the pressure-bearing holes 15 of the lower steel columns 14, and hoisting the lower steel columns 14 to an installation site.
And step four, connecting the gripping part 17 of the upper support rod piece 3 with the pressure-bearing hole 15 of the upper steel column 13, and hoisting the upper steel column 13 to be right above the lower steel column 14.
And step five, continuously lowering the upper steel column 13 until the bottom of the lower supporting rod piece 2 is attached to the connecting claw body 101, and connecting the bottom of the lower supporting rod piece 2 with the connecting claw body 101 to finish hoisting. Specifically, when the upper steel columns 13 are lowered to the bottom of the lower support bar 2 to be inserted into the catching grooves formed by the fixing catching groove plates 12, the bottom of the lower support bar 2 is connected to the connecting claw body 101 using the detaching bolts 16. When the bottom of the lower support rod member 2 is connected with the connecting claw body 101, a plurality of workers are required to simultaneously insert and detach the bolts 16, whether the clamping grooves are loosened in all the holes is checked after initial screwing, if the clamping grooves are adjusted into the holes, the workers go up along the ladder to the top of the upper steel column 13 to pick up the hooks after the stress is not finally screwed.
And step six, adjusting the horizontal elevation, measuring the verticality, and finely adjusting the upper adjusting nut 5 and the lower adjusting nut 4 to enable the upper steel column 13 and the lower steel column 14 to be completely butted, as shown in the figures 1-3. The method for adjusting the horizontal elevation and measuring the verticality comprises the following steps: when the horizontal elevation is higher than the design standard, the lower adjusting nut 4 and the upper adjusting nut 5 are simultaneously screwed downwards, and when the horizontal elevation is lower than the design standard, the lower adjusting nut 4 and the upper adjusting nut 5 are simultaneously screwed upwards;
and measuring the verticality by using a total station, and adjusting the front, back, left and right positions of the lower adjusting nut 4 and the upper adjusting nut 5 until the verticality meets the acceptance standard.
And step seven, welding the upper steel column 13 and the lower steel column 14. The welding robot operating range is shown in fig. 4.
And step eight, after welding is finished, in order to avoid the deviation of the column body caused by stress contraction, the support cannot be immediately removed, and the support is removed after the welding line is cooled. Specifically, the upper adjusting nut 5 and the lower adjusting nut 4 are unscrewed, the lower support rod 2 is separated from the connecting claw 1, the upper support rod 3, the lower support rod 2 and the connecting claw 1 are removed, and finally the pressure-bearing holes 15 of the upper steel column 13 and the lower steel column 14 are repair-welded.
In addition, the protective cloth can be covered in rainy days, and the protective cloth can be recycled. The installation of the protective cloth is schematically shown in fig. 5.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a steel column butt joint support frame which characterized in that includes:
the connecting claw (1) comprises a connecting claw body (101) and a plurality of grabbing rods (102) connected with the connecting claw body (101);
the bottom of the lower support rod piece (2) is detachably connected with the connecting claw body (101), and the top of the lower support rod piece (2) is in threaded connection with a lower adjusting nut (4);
the top of the upper supporting rod piece (3) is provided with a gripping part (17), the bottom of the upper supporting rod piece is in threaded connection with an upper adjusting nut (5), the upper adjusting nut (5) and the lower adjusting nut (4) are connected through nut limiting parts, and therefore the distance between the upper adjusting nut (5) and the lower adjusting nut (4) is kept unchanged when the upper adjusting nut (5) and the lower adjusting nut (4) move vertically.
2. The steel column docking support frame of claim 1, wherein: the nut locating part includes connecting steel plate (6), last connecting steel plate (7) and cotter (8) down, connecting steel plate (6) an organic whole is inboard at the top of adjusting nut (4) down, it is inboard at the bottom of last adjusting nut (5) to go up connecting steel plate (7) an organic whole, cotter (8) will be down connecting steel plate (6) and last connecting steel plate (7) be connected.
3. The steel column docking support frame of claim 2, wherein: the steel ball connecting structure is characterized in that a lower annular rail (9) is arranged at the top of the lower connecting steel plate (6) along the circumferential direction, a circle of steel balls (10) are arranged in the lower annular rail (9), the tops of the steel balls (10) exceed the top of the lower connecting steel plate (6), and an upper annular rail (11) matched with the steel balls (10) is arranged at the bottom of the upper connecting steel plate (7).
4. The steel column docking support frame of claim 1, wherein: the connecting claw body (101) is connected with fixing clamping groove plates (12), and clamping grooves matched with the bottoms of the lower supporting rod pieces (2) are formed between the fixing clamping groove plates (12).
5. The steel column docking support frame of claim 1, wherein: the bottom of the lower support rod piece (2) is connected with the connecting claw body (101) through a dismounting bolt (16).
6. The steel column docking support frame of claim 1, wherein: lower part support rod piece (2) are the dogleg shape, include from supreme first vertical section (21) of lower part, the first bending segment (22) of lower part and the vertical section (23) of lower part second that connect gradually down, the laminating of the first vertical section (21) of lower part is connected in one side of connecting claw body (101), and the first vertical section (21) of lower part is located the both sides of connecting claw body (101) with grabbing pole (102), the first bending segment (22) of lower part is buckled to the direction of keeping away from grabbing pole (102), the top and the lower adjusting nut (4) threaded connection of the vertical section of lower part second (23).
7. The steel column docking support frame of claim 6, wherein: upper portion support member (3) are dogleg shape, include the first vertical section (31) in upper portion and the first bending segment (32) in upper portion that connect gradually from supreme down, the first vertical section (31) in upper portion is located same vertical line with lower part second vertical section (23), the bottom and last adjusting nut (5) threaded connection of the first vertical section (31) in upper portion, the first bending segment (32) in upper portion is buckled to the direction that is close to grabbing pole (102), the tip of the first bending segment (32) in upper portion is equipped with grabs portion (17).
8. A steel column butt joint construction method applying the steel column butt joint support frame according to any one of claims 1 to 7, characterized by comprising the following steps:
firstly, pressure-bearing holes (15) are formed in the side wall of the bottom of an upper steel column (13) and the side wall of the top of a lower steel column (14) in a penetrating mode;
step two, manufacturing the steel column butt joint support frame according to any one of claims 1 to 7, separating the lower support rod piece (2) from the connecting claw (1), and connecting the upper support rod piece (3) with the lower support rod piece (2);
step three, connecting the connecting claws (1) with the pressure-bearing holes (15) of the lower steel column (14), and hoisting the lower steel column (14) to an installation site;
fourthly, connecting the gripping part (17) of the upper support rod piece (3) with the pressure-bearing hole (15) of the upper steel column (13), and hoisting the upper steel column (13) to be right above the lower steel column (14);
step five, continuously lowering the upper steel column (13) until the bottom of the lower supporting rod piece (2) is attached to the connecting claw body (101), connecting the bottom of the lower supporting rod piece (2) with the connecting claw body (101), and completing hoisting;
adjusting the horizontal elevation, measuring the verticality, and finely adjusting an upper adjusting nut (5) and a lower adjusting nut (4) to enable an upper steel column (13) and a lower steel column (14) to be completely butted;
welding the upper steel column (13) and the lower steel column (14);
and step eight, unscrewing the upper adjusting nut (5) and the lower adjusting nut (4), separating the lower supporting rod piece (2) from the connecting claw (1), taking down the upper supporting rod piece (3), the lower supporting rod piece (2) and the connecting claw (1), and finally performing repair welding on the pressure-bearing holes (15) of the upper steel column (13) and the lower steel column (14).
9. The steel column docking construction method using the steel column docking support frame as claimed in claim 8, wherein: in the fifth step, when the upper steel column (13) is lowered to the bottom of the lower support rod piece (2) and inserted into the clamping groove formed by the fixing clamping groove plate (12), the bottom of the lower support rod piece (2) is connected with the connecting claw body (101) by the dismounting bolt (16).
10. The steel column docking construction method using the steel column docking support frame according to claim 8, wherein the method for adjusting the horizontal elevation and measuring the verticality in the sixth step comprises: when the horizontal elevation is higher than the design standard, the lower adjusting nut (4) and the upper adjusting nut (5) are simultaneously screwed downwards, and when the horizontal elevation is lower than the design standard, the lower adjusting nut (4) and the upper adjusting nut (5) are simultaneously screwed upwards;
and measuring the verticality by using a total station, and adjusting the front, back, left and right positions of the lower adjusting nut (4) and the upper adjusting nut (5) until the verticality meets the acceptance standard.
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| CN202011558730.5A CN112627341B (en) | 2020-12-25 | 2020-12-25 | Steel column butt joint support frame and steel column butt joint construction method applying support frame |
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| CN112627341B CN112627341B (en) | 2022-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231561A (en) * | 2010-04-30 | 2011-11-17 | Keiji Hirai | Upper and lower steel pipes jointing structure for steel pipe column and jointing method thereof |
| CN207420056U (en) * | 2017-09-27 | 2018-05-29 | 中建八局第二建设有限公司 | A kind of quick correction type verticality of steel column device |
| CN208220180U (en) * | 2018-05-16 | 2018-12-11 | 华南理工大学建筑设计研究院 | The screw connection of steel pipe docking for building |
| CN208650540U (en) * | 2018-06-28 | 2019-03-26 | 中国华冶科工集团有限公司 | The fixed device of the adjustment of steel column butt joint installation |
| CN208899889U (en) * | 2018-09-10 | 2019-05-24 | 长江精工钢结构(集团)股份有限公司 | A kind of steel columns of steel structures vertical correction device |
| CN210105080U (en) * | 2019-03-25 | 2020-02-21 | 苏州市东升铝合金制品有限公司 | Adjustable glass curtain wall refutes union piece |
| CN210713879U (en) * | 2019-06-27 | 2020-06-09 | 中国建筑第八工程局有限公司 | Steel column verticality adjusting device |
-
2020
- 2020-12-25 CN CN202011558730.5A patent/CN112627341B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231561A (en) * | 2010-04-30 | 2011-11-17 | Keiji Hirai | Upper and lower steel pipes jointing structure for steel pipe column and jointing method thereof |
| CN207420056U (en) * | 2017-09-27 | 2018-05-29 | 中建八局第二建设有限公司 | A kind of quick correction type verticality of steel column device |
| CN208220180U (en) * | 2018-05-16 | 2018-12-11 | 华南理工大学建筑设计研究院 | The screw connection of steel pipe docking for building |
| CN208650540U (en) * | 2018-06-28 | 2019-03-26 | 中国华冶科工集团有限公司 | The fixed device of the adjustment of steel column butt joint installation |
| CN208899889U (en) * | 2018-09-10 | 2019-05-24 | 长江精工钢结构(集团)股份有限公司 | A kind of steel columns of steel structures vertical correction device |
| CN210105080U (en) * | 2019-03-25 | 2020-02-21 | 苏州市东升铝合金制品有限公司 | Adjustable glass curtain wall refutes union piece |
| CN210713879U (en) * | 2019-06-27 | 2020-06-09 | 中国建筑第八工程局有限公司 | Steel column verticality adjusting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
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|---|---|
| CN112627341B (en) | 2022-04-19 |
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