CN113668881B - Curved-surface beam combined jig frame and assembling method - Google Patents

Curved-surface beam combined jig frame and assembling method Download PDF

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Publication number
CN113668881B
CN113668881B CN202111154808.1A CN202111154808A CN113668881B CN 113668881 B CN113668881 B CN 113668881B CN 202111154808 A CN202111154808 A CN 202111154808A CN 113668881 B CN113668881 B CN 113668881B
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curved
adjusting
plate
side plate
curved surface
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CN113668881A (en
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葛树森
郭世林
赵明刚
沈智
宋亮
陈宇
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Second Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
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Second Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/18Adjusting tools; Templates
    • E04G21/1841Means for positioning building parts or elements
    • E04G21/185Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure

Abstract

The invention relates to the technical field of curved beam assembling equipment, and discloses a curved beam combined jig frame and an assembling method. The combined jig frame and the assembling method for the curved beam are suitable for different supporting heights required by the curved beam at different positions, can reasonably support the inclined curved surface of the curved beam, increase the adjusting range, improve the adjusting precision of the assembling position of the curved beam and effectively reduce the construction cost investment.

Description

Curved-surface beam combined jig frame and assembling method
Technical Field
The invention relates to the technical field of curved beam assembling equipment, in particular to a curved beam combined jig frame and an assembling method.
Background
The assembling and welding of the steel structure needs the jig frame to carry out fixed support, at present, the conventional jig frame manufactured on site is usually manufactured by directly welding sectional materials with required lengths, the size of the conventional jig frame is relatively fixed, and when the conventional steel structure is assembled in multiple sections, the height of the required support is always the same, so that the conventional jig frame manufactured can be suitable for the assembling of a single steel structure, but the problem of low repeated utilization rate also exists.
When the curved surface beam is assembled and welded, the curved surface beam is required to be assembled, the requirements of the assembling position and the assembling angle of the curved surface beam section are high, the required jig frame is assembled to adapt to different elevations of different positions of the curved surface beam, the curved surface inclination is required to be adapted to support, if the conventional jig frame is adopted, the jig frames with various height specifications need to be manufactured, the repeated utilization rate of the jig frame is low, the construction cost is high, and the fixed support of the conventional jig frame cannot meet the requirements of the assembling precision of the curved surface beam.
Disclosure of Invention
The invention aims to: aiming at the problems that a conventional jig frame in the prior art is difficult to be suitable for assembling and welding curved-surface beams and meet the requirements of assembling precision of the curved-surface beams, the recycling rate is low, and the construction cost input is high, the curved-surface beam combined jig frame and the assembling method are provided, the curved-surface beam combined jig frame are not only suitable for different supporting heights required by the curved-surface beams at different positions, but also can reasonably support inclined curved surfaces of the curved-surface beams, the adjusting range is enlarged, the adjusting precision of the assembling positions of the curved-surface beams is improved, the adjusting operation is simple, the circular use is easy, and the construction cost input is effectively reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a curved beam combined jig frame comprises a top plate, stand columns, a base and an adjusting assembly, wherein the stand columns are connected with the top plate and the base, the stand columns are formed by detachably assembling a plurality of stand column modules in the vertical direction, the adjusting assembly comprises a transverse plate, the transverse plate is detachably connected above the top plate, a first side plate and a second side plate are vertically fixed at two ends of the transverse plate, the first side plate and the second side plate form a curved beam placing space, a telescopic push plate and a first jack are arranged in the curved beam placing space, the telescopic push plate is fixed on the first side plate and the second side plate, and the telescopic push plate is used for adjusting the horizontal position of the curved beam; the first jack is fixedly connected to the transverse plate and used for adjusting the vertical position of the curved beam; the supporting surface of jack I is fixed with the slope and adjusts the pad, the slope is adjusted and is filled up the slope.
The height of stand can be adjusted through the increase and decrease of module, and the equipment is nimble, and convenient operation is applicable to the different height that different positions correspond when the curved surface roof beam is assembled, the curved surface roof beam place in the top of jack one, jack one is used for finely tuning the elevation of curved surface roof beam, and a jack holding surface sets up the slope adjusting pad, then can adapt to the curved surface gradient of curved surface roof beam, guaranteed that the atress of curved surface roof beam is more balanced, be difficult for receiving the jacking of jack one and take place deformation, first curb plate with the second curb plate is located the both sides of curved surface roof beam correspondingly, both sides flexible push pedal can adjust the horizontal position of curved surface roof beam, just the diaphragm with roof detachable connected mode makes regulating assembly can be a plurality of set up trade circulation use on the roof, has saved the cost input of construction, the replacement maintenance of also being convenient for simultaneously.
The combined jig frame for the curved surface beam is suitable for different supporting heights of the curved surface beam at different positions, and can reasonably support the inclined curved surface of the curved surface beam.
Preferably, the first side plate and the second side plate are respectively provided with the telescopic push plates, at least two telescopic push plates (44) are arranged up and down, and the telescopic push plates of the first side plate and the second side plate are arranged oppositely.
It is a plurality of flexible push pedal corresponds and distributes in the left and right sides of curved surface roof beam, and can carry out the top that pushes away on the horizontal direction to the upper and lower end homoenergetic of curved surface roof beam side, not only can carry out more steady level to the curved surface roof beam and promote, still is convenient for adjust the deflection angle of curved surface roof beam, is applicable to and assembles the condition that the department exists the angle of assembling.
Preferably, the telescopic push plate comprises an adjusting rod, a connecting rod and a transverse push plate, one end of the connecting rod is fixed on the first side plate or the second side plate, the other end of the connecting rod is in threaded connection with the adjusting rod, the transverse push plate is fixedly provided with a bearing, the adjusting rod is fixed in a through hole of the bearing, and the adjusting rod is a horizontal rod piece.
The horizontal push pedal is used for abutting the side face of the curved-surface beam, the adjusting rod is screwed in or out on the connecting rod to move in a telescopic mode, the horizontal push pedal can be driven to move horizontally, the horizontal position of the curved-surface beam is adjusted, the horizontal push pedal is connected with the adjusting rod through the bearing, and then the horizontal push pedal cannot be influenced by the rotation of the adjusting rod and is prevented from rotating along with the adjustment rod.
Preferably, the plate surface of the horizontal push plate is provided with a vertical roller.
The vertical direction of going up and down that is the curved surface roof beam hoist and mount, the curved surface roof beam with the face butt of violently pushing pedal has frictional force and can hinder the curved surface roof beam to carry out the removal of vertical direction, the gyro wheel is replaced the face of violently pushing pedal and the side butt of curved surface roof beam can realize adjusting the horizontal position of curved surface roof beam promptly, can also the influence of very big reduction frictional force, and then be convenient for adjust the elevation of curved surface roof beam repeatedly, make the regulation operation of curved surface roof beam more nimble.
Preferably, the horizontal push plate is vertically provided with two bearings at intervals, and the connecting rod and the adjusting rod are correspondingly provided with two bearings.
The single transverse pushing plate is pushed by the extension of the two adjusting rods, the inclination of the transverse pushing plate can be changed, the curved beam is attached to the side face of the inclined plane, and the transverse pushing plate is further suitable for adjusting the deflection angle of the curved beam.
Preferably, the middle part of the adjusting rod is provided with a through hole, and the lower end of the transverse push plate is provided with a counterweight.
The through hole is convenient for a user to pull the adjusting rod to rotate by using a tool, the counterweight piece strengthens the stability of the transverse pushing plate, and the transverse pushing plate is prevented from easily rotating around the adjusting rod, so that the rolling direction of the roller is influenced.
Preferably, the telescopic push plate comprises a second jack and a guard plate, the bottom surface of the second jack is fixed on the first side plate and the second side plate, and the guard plate is fixedly arranged on the supporting surface of the second jack.
The backplate is used for butt curved surface roof beam's side, through the flexible of jack two, flexible push pedal also can adjust the horizontal position of curved surface roof beam, and can realize electric control jack two is convenient for adjust the operation, uses manpower sparingly.
Preferably, the slope adjusting pad comprises a base and an adjusting cushion block, the base is fixedly connected with the supporting surface of the first jack, the adjusting cushion block is provided with an inclined top surface, and the adjusting cushion block is detachably connected with the base.
The adjusting cushion blocks can be clamped into or taken out of the base, and then the adjusting cushion blocks can be replaced according to different angles of the inclined plane of the curved beam, so that reasonable supporting of the curved beam is achieved, and the situation that the curved beam is locally deformed is effectively avoided.
Preferably, the transverse plate is further connected with an infrared level gauge in a sliding mode, and the infrared level gauge can be fixed to the transverse plate.
The slip setting of infrared ray spirit level for the position that the infrared ray was marked can be adjusted in a flexible way, is applicable to multiple structure size's curved surface roof beam, and the datum point that records according to the total powerstation will the infrared ray spirit level is fixed, just can mark the datum line that the position was assembled to the curved surface roof beam, thereby is convenient for put in place the position of assembling and assemble the angle modulation of curved surface roof beam.
The method for assembling the curved beam uses the curved beam combined jig frame, and comprises the following steps of:
A. determining the position of a base and the height of an upright column according to the construction conditions of the site and the structural size of the curved beam, and finishing the manufacture of an adjusting assembly;
B. mounting the transverse plate on the top plate to complete the assembly of the adjusting assembly;
C. hoisting two curved surface beam sections, initially aligning by using a total station, adjusting an infrared level meter to obtain reference lines of the beam bottom elevation and the beam edge position, and placing the curved surface beam sections on a slope adjusting pad;
D. according to the datum line, the adjusting assembly is used for finely adjusting the splicing position of the two curved surface beam sections;
E. rechecking the assembling precision of the assembling positions of the two curved surface beam sections, and repeating the steps D to E until the design requirements of assembling and welding are met;
F. and (5) welding construction, and completing the assembly of the two curved surface beam sections.
The use amount of the template in the step B determines the assembling height of the upright post, the assembling height of the upright post needs to enable the supporting height of the jig frame to be approximately equal to the elevation, the upright post assembled by the module can adaptively adjust the height of the upright post so as to adapt to different elevations needed by different positions of the curved beam, the reutilization of the jig frame is facilitated, the detachable assembly of the adjusting assembly is also facilitated for the recycling, replacement and maintenance of the adjusting assembly, the datum line of the infrared level gauge is convenient for the curved beam to be adjusted and aligned, and the gradient adjusting pad can adapt to the curved gradient of the curved beam;
the method for assembling the curved-surface beam is suitable for different supporting heights required by the curved-surface beam at different positions, and can reasonably support the inclined curved surface of the curved-surface beam, so that the elevation of the curved-surface beam can be accurately adjusted conveniently, the horizontal position of the curved-surface beam can be accurately adjusted, the adjustment precision of the assembling position of the curved-surface beam is improved, the adjustment operation is simple, the jig frame is easy to recycle, and the construction cost investment is effectively reduced.
Preferably, in the step D, the fine tuning method includes the following steps:
d1: controlling the lifting of the jack I, and finely adjusting the elevation of the curved surface beam according to the datum line of the elevation of the beam bottom;
d2: and controlling the adjusting rods arranged up and down on the single side plate to synchronously stretch and retract, and finely adjusting the horizontal position of the curved beam according to the reference line of the beam edge position.
And when the datum line is used as an adjusting reference and the adjusting rods at the two ends of the first side plate are controlled to synchronously extend out, the adjusting rods at the two ends of the second side plate can be used for synchronous retraction and adjustment, otherwise, the curved beam can be adjusted in multiple directions through the jack and the adjusting rods, the operation is simple, and the adjustment is easy to achieve.
Preferably, in the step D2, the adjusting rod is provided with a through hole, a U-shaped fork is used to extend into the through hole, and the U-shaped fork is pulled to make the adjusting rods arranged up and down on the side plates extend synchronously. The adjusting rod rotates through threads to stretch and move, the through hole is matched with the U-shaped fork in operation, the adjusting rod can rotate, adjacent adjusting rods can stretch synchronously, and the rotating operation mode is simple and flexible.
Preferably, if the curved beam has an assembly angle at the assembly position, the deflection angle of the curved beam needs to be adjusted, and the additional steps are as follows:
d3: the adjusting rods arranged oppositely are controlled to perform mutually corresponding telescopic movement, the assembly angle of the curved beam is finely adjusted, and the jack is controlled to perform lifting adjustment to support.
The adjusting rods at the two ends of the single side plate are asynchronously stretched, the adjusting rods at the opposite sides are adaptively stretched, the deflection angle of the curved beam is finely adjusted, the requirement of the assembly angle is met, the jack is adaptively adjusted in a lifting mode according to the deflection inclination of the curved beam, and if the elevation of the curved beam is deviated, repeated adjustment can be conducted through rechecking in the step E.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the curved beam combined jig frame is suitable for different supporting heights required by curved beams at different positions, and can reasonably support inclined curved surfaces of the curved beams, the elevation of the curved beams can be accurately adjusted conveniently by the aid of the design of the adjusting assembly, the horizontal position of the curved beams can be accurately adjusted, the adjusting precision of the splicing positions of the curved beams is improved, the adjusting operation is simple, recycling is easy, and construction cost investment is effectively reduced;
2. through the design of the first side plate and the second side plate, the horizontal position of the curved beam can be conveniently adjusted, and the constraint in the horizontal direction can be formed, so that the curved beam is prevented from sliding off the jig frame, and the safety of assembling welding construction is improved;
3. through the design of the telescopic push plate, the curved surface beam can be stably and horizontally pushed, the deflection angle of the curved surface beam is convenient to adjust, the influence of friction force is greatly reduced, and the elevation of the curved surface beam is convenient to repeatedly adjust;
4. the datum line of the splicing position of the curved beam can be marked through the infrared level meter which is arranged in a sliding manner, so that the splicing position and the splicing angle of the curved beam can be conveniently adjusted in place;
5. the method for assembling the curved-surface beam is suitable for different supporting heights required by the curved-surface beam at different positions, and can reasonably support the inclined curved surface of the curved-surface beam, so that the elevation of the curved-surface beam can be accurately adjusted conveniently, the horizontal position of the curved-surface beam can be accurately adjusted, the adjustment precision of the assembling position of the curved-surface beam is improved, the adjustment operation is simple, the jig frame is easy to recycle, and the construction cost investment is effectively reduced.
Drawings
Fig. 1 is a schematic structural view of a curved beam combined jig frame according to embodiment 1;
FIG. 2 is a schematic structural view of a telescopic push plate according to embodiment 1;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view of a structure of a mat for adjusting a slope according to embodiment 1;
the labels in the figure are: 1-top plate, 2-upright post, 3-base, 4-adjusting component, 41-transverse plate, 42-first side plate, 43-second side plate, 44-telescopic push plate, 441-adjusting rod, 442-connecting rod, 443-transverse push plate, 444-bearing, 445-roller, 45-jack I, 46-gradient adjusting pad, 461-base, 462-adjusting pad and 47-infrared level gauge.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.
Example 1
As shown in fig. 1, the curved beam combined jig frame of the invention comprises a top plate 1, upright columns 2, a base 3 and an adjusting assembly 4, wherein the upright columns 2 are fixed between the top plate 1 and the base 3, the upright columns 2 are assembled by module combination, the adjusting assembly 4 comprises a transverse plate 41, the transverse plate 41 is detachably connected above the top plate 1, a first side plate 42 and a second side plate 43 are vertically fixed at two ends of the transverse plate 41, and a telescopic push plate 44 is further fixed at the opposite side surfaces of the first side plate 42 and the second side plate 43; between the first side plate 42 and the second side plate 43, the transverse plate 41 is further provided with a first jack 45, and a slope adjusting pad 46 is fixed on a supporting surface of the first jack 45.
In this embodiment, the column 2 structure of the jig frame base 3 is installed by means of module splicing, the modules are a plurality of steel member segments with the same specification and size, and are fixedly connected through bolt groups, so that the height of the jig frame base 3 can be conveniently adjusted, the transverse plate 41 is fixedly connected with the top plate 1 through bolts, a first side plate 42 and a second side plate 43 are fixed at two ends of the transverse plate 41, the first side plate 42 and the second side plate 43 are vertically fixed on the upper surface of the transverse plate 41 and can be fixed through welding or bolts, telescopic push plates 44 are arranged at the upper end and the lower end of each of the first side plate 42 and the second side plate 43, and the telescopic push plates 44 of the first side plate 42 and the second side plate 43 are oppositely arranged;
as shown in fig. 2 to 3, the single telescopic push pedal 44 includes two adjusting rods 441, two connecting rods 442, a transverse push pedal 443, and a roller 445, one end of each of the two connecting rods 442 is horizontally fixed to the side plate, the two connecting rods 442 are parallel to each other in the vertical direction, the other end of each of the two connecting rods 442 is provided with an internal thread, one end of each of the two adjusting rods 441 is respectively in threaded connection with the corresponding connecting rod 442 through an external thread, and the middle part of each of the adjusting rods 441 is further provided with a through hole for the adjustment rod 441 to be pulled by a tool;
two mounting holes are formed in the plate surface of the rectangular transverse push plate 443 along the long side direction, bearings 444 are fixed in the two mounting holes, three rollers 445 are embedded and fixed in the transverse push plate 443 along the long side direction to form a roller group, the rolling direction of the roller group is also along the long side direction, during mounting, the long side direction of the transverse push plate 443 is the direction in which a curved beam is vertically adjusted, a counterweight is additionally arranged at one end of the transverse push plate 443, which is additionally provided with the counterweight, is used as the bottom end of the transverse push plate 443, and the two connecting rods 442 are respectively fixed in through holes of the two bearings 444;
two jacks I45 are further arranged on the upper surface of the transverse plate 41 at intervals between the first side plate 42 and the second side plate 43, the jacks I45 are vertically telescopic, as shown in fig. 4, the slope adjusting pad 46 comprises a base 461 and an adjusting cushion block 462, the bottom surface of the base 461 is fixed with the supporting surface of the jacks, a sliding groove is arranged in the base 461, the adjusting cushion block 462 can be clamped into the base 461 or taken out from the base 461 through the sliding groove, and the adjusting cushion block 462 with various inclination angles is manufactured for replacement;
between the first side plate 42 and the second side plate 43, a slide rail is further arranged on the transverse plate 41, the two infrared level meters 47 are slidably mounted on the transverse plate 41 through the slide rail, and the two infrared level meters 47 can also be fixed in the slide rail through fasteners.
Example 2
The invention discloses an assembling method of a curved beam, which uses the curved beam combined jig frame in embodiment 1, and comprises the following steps:
A. determining the position of the base 3 and the height of the upright post 2 according to the construction conditions on site and the structural size of the curved beam, and finishing the manufacture of the adjusting component 4;
B. mounting the transverse plate 41 on the top plate 1 to complete the assembly of the adjusting assembly 4;
C. hoisting the two curved surface beam sections, initially aligning by using a total station, and adjusting an infrared level meter 47 to obtain reference lines of the beam bottom elevation and the beam edge position; placing the curved beam segment onto the grade adjustment pad 46;
D. fine adjustment of the assembly position and the assembly angle of the two curved surface beam sections is carried out according to the reference line;
E. rechecking the assembling precision of the assembling positions of the two curved surface beam sections, and repeating the steps D to E until the design requirements of assembling and welding are met;
F. and (5) welding construction, and assembling the two curved surface beam sections.
Step A, confirming the installation positions of the two bases 3 corresponding to the assembly position of the curved beam according to the station position and the operation radius of the crane; determining the usage amount of the template of the upright post 2 according to the elevation requirement of the assembly position of the curved surface beam, and fixing a top plate 1 above the upright post 2;
according to the structural size of the curved beam, the distance between the first side plate 42 and the second side plate 43 on the transverse plate 41 and the distance between the first jack 45 are determined, and meanwhile, the distance between the telescopic push plates 44 at the upper end and the lower end of the first side plate 42 and the second side plate 43 is also required to be determined; and selecting the adaptive adjusting cushion 462 according to the inclination of the curved surface at the preset supporting position of the curved surface beam to finish the manufacture of the adjusting component 4.
And B, after preparation work is done, mounting the transverse plate 41 on the top plate 1, completing the assembly of the adjusting assembly 4, and forming the erection of the curved beam combined jig frame.
Step C is carried out, firstly, a curved surface beam segment is hoisted above the whole jig frame, a total station is used for preliminary alignment, the axis and the elevation of the curved surface beam segment are measured and released by the total station, the measuring point at the side of the curved surface beam is obtained according to position data measured by the total station, firstly, two infrared level meters 47 on the transverse plate 41 are slid, the two infrared level meters 47 are respectively fixed under the measuring point at the two sides of the curved surface beam, the vertical light rays of the two infrared level meters 47 are used as the reference line of the beam edge position, then, the oblique ray intersection of the two infrared level meters 47 is adjusted according to the height point measured by the total station to obtain the reference line of the beam bottom elevation, the preliminary alignment is carried out approximately according to the reference line of the beam edge position, the steel beam component is slowly hoisted on the slope adjusting pad 46, similarly, the alignment and the hoisting of the other curved surface beam segment are completed, after the hoisting, the two curved surface beam segments still keep the hoisting state, and the jig frame only bears the small part of gravity of the curved surface beam, the unstable caused by overlarge stress is avoided, the friction force between the slope adjusting pad 46 and the curved surface beam segment is reduced, and the preliminary adjustment of the curved surface beam is convenient for adjusting the horizontal position of the curved surface beam.
And D, finely adjusting the assembling position and the assembling angle of the two curved surface beam sections according to the reference line, and specifically comprising the following steps:
d1: controlling the first two jacks 45 to synchronously and slowly lift and move, and adjusting the elevation of the curved beam to a proper position according to a reference line of the elevation of the beam bottom marked by the infrared level meter 47;
d2: after the roller 445 groups of the first side plate 42 and the second side plate 43 are abutted against the side surface of the curved beam, the adjusting rods 441 at the two ends of the first side plate 42 are controlled to synchronously extend, so that the roller 445 groups are driven to push the curved beam, the adjusting rods 441 at the two ends of the second side plate 43 correspondingly synchronously retract, or the adjusting rods 441 at the two ends of the second side plate 43 are controlled to synchronously extend, the adjusting rods 441 at the two ends of the first side plate 42 correspondingly synchronously retract, and the purpose of adjusting the horizontal position of the curved beam is achieved, so that the horizontal position of the curved beam is finely adjusted according to the datum line of the beam edge position;
the method for controlling the adjustment rod 441 to synchronously extend and retract is to use a U-shaped fork to cooperate with a through hole arranged on the adjustment rod 441 to operate, for example, the adjustment of rightward translation of a curved beam: the two through holes of the two adjusting rods 441 at the upper end of the second side plate 43 and the two adjusting rods 441 at the lower end of the second side plate 43 are inserted through one U-shaped fork respectively, and the two U-shaped forks are pulled by two hands simultaneously, so that the transverse push plates 443 at the upper end and the lower end of the second side plate 43 can be retracted synchronously, and then the two U-shaped forks are inserted on the adjusting rods 441 at the upper end and the lower end of the first side plate 42 in a penetrating manner, so that the transverse push plates 443 at the upper end and the lower end of the first side plate 42 can be extended synchronously, and the curved beam is pushed to move rightwards;
if the curved beam has a deflection angle at the splicing position, the splicing angle of the curved beam needs to be adjusted, and the implementation step D3 is added: the adjusting rods 441 arranged oppositely are controlled to perform corresponding telescopic movement, the splicing angle of the curved surface beam is finely adjusted, and the first jack 45 is controlled to perform adaptive lifting adjustment to perform effective support;
e.g. adjustment of clockwise deflection of curved beams: the adjusting rod 441 at the upper end of the first side plate 42 and the adjusting rod 441 at the lower end of the second side plate 43 are synchronously extended, so that the adjusting rod 441 at the lower end of the first side plate 42 and the adjusting rod 441 at the upper end of the second side plate 43 are synchronously retracted adaptively, the curved beam is pushed to deflect clockwise angularly, the first jack 45 on the left side is lifted adaptively to form effective support, and at the moment, the elevation of the curved beam may be deviated and can be adjusted again through the next rechecking step.
And E, carrying out the step E: can carry out the recheck through the infrared level instrument 47's of bed-jig datum line, also can use appurtenance such as total powerstation, spirit level to carry out the recheck, guarantee the geometric dimensions symmetry of curved surface roof beam, and the even suitable welding seam width of curved surface roof beam department of assembling, if unsatisfied curved surface roof beam and assemble welded design requirement, then repeat step D and continue to finely tune, until rechecking meets the demands.
And F, carrying out: during welding, spot welding can be carried out at the welding seam, the relative positions of the two curved surface beam sections are preliminarily fixed, and then full-length welding construction is carried out, so that the welding quality and the connection precision can be improved.
In this embodiment, diagonal draw bars may be fixedly welded between two adjacent jig frames, or a plurality of diagonal draw bars may be welded on the jig frames to extend into the ground, so as to further improve the stability of the jig frame support;
after the welding is assembled, can move whole bed-jig and carry out cyclic utilization in assembling of curved surface roof beam next segment, the height that the bed-jig can be adjusted to the module that only needs to demolish or increase stand 2, if the curved surface roof beam of this segment still need continue to support, then can make a simple and easy frame, replace adjusting part 4 on the bed-jig, only with adjusting part 4 cyclic utilization in assembling of next segment, then the bed-jig of next segment only need make base 3, stand 2 and roof 1 can, construction time has effectively been saved, construction cost's input has been reduced.
Example 3
The difference with embodiment 1 is, in this embodiment, flexible push pedal 44 constitutes through second jack and backplate, the bottom surface of second jack is fixed in on first curb plate 42 and the second curb plate 43, the fixed welding backplate of holding surface of second jack, during the use, control jack goes up and down, play the flexible removal effect of flexible push pedal 44 in embodiment 1 in a year, thereby it promotes curved surface roof beam to drive the backplate, control second jack of different positions and go up and down, can realize curved surface roof beam's level (l) ing equally, second jack can realize automatically controlled, make curved surface roof beam's whole regulation operation more automatic, adjust easy operation, use manpower sparingly.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (9)

1. The combined jig frame for the curved surface beams is characterized by comprising a top plate (1), stand columns (2), a base (3) and an adjusting assembly (4), wherein the stand columns (2) are connected with the top plate (1) and the base (3), the stand columns (2) are formed by detachably assembling a plurality of stand column modules in the vertical direction, the adjusting assembly (4) comprises a transverse plate (41), the transverse plate (41) is detachably connected above the top plate (1), a first side plate (42) and a second side plate (43) are vertically fixed at two ends of the transverse plate (41), the first side plate (42) and the second side plate (43) form a curved surface beam placing space, a telescopic push plate (44) and a jack I (45) are arranged in the curved surface beam placing space, the telescopic push plate (44) is fixed on the first side plate (42) and the second side plate (43), and the telescopic push plate (44) is used for adjusting the horizontal position of the curved surface beams; the first jack (45) is fixedly connected to the transverse plate (41), and the first jack (45) is used for adjusting the vertical position of the curved beam; a slope adjusting pad (46) is fixed on a supporting surface of the first jack (45), and the slope adjusting pad (46) has a slope; the telescopic push plate (44) comprises an adjusting rod (441), a connecting rod (442) and a transverse push plate (443), one end of the connecting rod (442) is fixed on the first side plate (42) or the second side plate (43), the other end of the connecting rod (442) is in threaded connection with the adjusting rod (441), a bearing (444) is fixedly arranged on the transverse push plate (443), the adjusting rod (441) is fixed in a through hole of the bearing (444), and the adjusting rod (441) is a horizontal rod piece.
2. A curved beam combined jig frame according to claim 1, wherein the first side plate (42) and the second side plate (43) are respectively provided with the telescopic push plates (44), at least two telescopic push plates (44) are arranged up and down, and the telescopic push plates (44) of the first side plate (42) and the second side plate (43) are arranged oppositely.
3. A curved beam combined jig frame as claimed in claim 1, wherein the plate surface of the transverse pushing plate (443) is provided with vertical rollers (445).
4. A curved beam combined jig according to claim 1, wherein the gradient adjustment pad (46) comprises a base (461) and an adjustment pad (462), the base (461) is fixedly connected with the supporting surface of the jack one (45), the adjustment pad (462) has an inclined top surface, and the adjustment pad (462) is detachably connected with the base (461).
5. A curved surface beam combination formula bed-jig of claim 1, characterized in that, infrared ray spirit level (47) is still connected in sliding to diaphragm (41), and infrared ray spirit level (47) can be fixed in on diaphragm (41).
6. A method for assembling a curved beam, characterized in that the curved beam combined jig frame as claimed in any one of claims 1 to 5 is used, comprising the following steps: A. determining the position of the base (3) and the height of the upright post (2) according to the construction conditions of the site and the structural size of the curved beam, and finishing the manufacture of the adjusting component (4); B. mounting the transverse plate (41) on the top plate (1) to complete the assembly of the adjusting assembly (4); C. hoisting the two curved surface beam sections, initially aligning by using a total station, adjusting an infrared level meter (47) to obtain a reference line of the beam bottom elevation and the beam edge position, and placing the curved surface beam sections on a slope adjusting pad (46); D. according to the datum line, the adjusting assembly (4) is used for finely adjusting the assembling position of the two curved surface beam sections; E. rechecking the assembly precision of the assembly positions of the two curved surface beam sections, and repeating the steps D to E until the design requirements of assembly welding are met; F. and (5) welding construction, and assembling the two curved surface beam sections.
7. The method for assembling the curved beam according to claim 6, wherein in the step D, the fine adjustment method comprises the following steps: d1: controlling the lifting jack I (45) to lift, and finely adjusting the elevation of the curved surface beam according to the datum line of the elevation of the beam bottom; d2: and controlling adjusting rods (441) which are vertically arranged on the single side plate to synchronously stretch and retract, and finely adjusting the horizontal position of the curved beam according to the reference line of the beam edge position.
8. The method for assembling the curved beam as claimed in claim 7, wherein in the step D2, the adjusting rods (441) are provided with through holes, U-shaped forks are used for extending into the through holes, and the U-shaped forks are pulled to enable the adjusting rods (441) arranged in the side plates up and down to be synchronously stretched.
9. The method for assembling the curved beam according to claim 7, wherein if there is an assembling angle at the assembling position of the curved beam, the deflection angle of the curved beam needs to be adjusted, and the additional steps are as follows: d3: the adjusting rods (441) arranged oppositely are controlled to perform corresponding telescopic movement, the assembling angle of the curved beam is finely adjusted, and the first jack (45) is controlled to perform lifting adjustment to support.
CN202111154808.1A 2021-09-29 2021-09-29 Curved-surface beam combined jig frame and assembling method Active CN113668881B (en)

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CN114278102B (en) * 2021-12-21 2022-12-13 中铁三局集团建筑安装工程有限公司 Combined beam column joint and construction method thereof
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CN104878941A (en) * 2015-06-08 2015-09-02 广西建工集团第五建筑工程有限责任公司 Height-adjustable steelwork assembly jig frame
CN110714618A (en) * 2018-07-11 2020-01-21 江苏海勃膜科技有限公司 Assembling jig frame for space special-shaped components
CN209907971U (en) * 2019-04-15 2020-01-07 中建二局第三建筑工程有限公司 Special bed-jig of H type component assemblage
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