CN112082000B - Large-diameter circular tube positioning device and installation method - Google Patents
Large-diameter circular tube positioning device and installation method Download PDFInfo
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- CN112082000B CN112082000B CN202010844847.3A CN202010844847A CN112082000B CN 112082000 B CN112082000 B CN 112082000B CN 202010844847 A CN202010844847 A CN 202010844847A CN 112082000 B CN112082000 B CN 112082000B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a large-diameter circular tube positioning device and an installation method, which belong to the field of building pipeline construction, and comprise a large-diameter circular tube and a temporary support, wherein a fixed box is a non-top square box, the fixed box is positioned on the temporary support, the fixed box is fixedly connected with the temporary support, a moving rod and a height adjusting box are installed in the fixed box, the moving rod slides on the inner side of the fixed box, the height adjusting box is positioned on the moving rod, the height adjusting box slides on the moving rod, the height adjusting box is suitable for measuring and adjusting the large-diameter circular tube, a support frame is installed on the fixed box, one end of the support frame is fixedly connected with the fixed box, and the other end of the support frame is suitable for supporting the large-diameter circular tube; the invention effectively solves the problem of difficult positioning of the large-diameter circular tube, and solves the problems that the installation position cannot be ensured, the material cannot be saved and the like.
Description
Technical Field
The invention belongs to the field of building pipeline construction, and particularly relates to a large-diameter circular tube positioning device and an installation method.
Background
The development conditions of large-span and super-large-span buildings and the space structure technology serving as the core of the large-span and super-large-span buildings become one of the important marks representing the national building technology level, the appearance of a large-scale stadium brings new challenges to the construction technology, the large-span stadium has the characteristics of complex rod member node structure, large weight of single members, large roof span, attractive and novel building structure appearance, complex structural curved surface change, high construction precision requirement and the like, and the large-diameter steel pipe is adopted for a main arch of the roof system of a special part of stadium and is bent and extended on the plane and the space, so that higher requirements are provided for the installation technology of the steel structure.
The problem that produces to the location of major diameter pipe among the prior art can't effectively be solved, to the actual construction condition, the position of unable rational adjustment locating plate and the position of fixed pipe steel construction can't guarantee the installation quality of this kind of complicated steel construction engineering, also can't conveniently solve the uninstallation work after the steel construction installation is accomplished simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problems that a large-diameter circular pipe is difficult to position and the installation position cannot be guaranteed are solved.
In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a large-diameter circular tube positioning device which comprises a large-diameter circular tube and a temporary support, wherein a fixed box is arranged on the temporary support, the fixed box is fixedly connected with the temporary support, the fixed box is a non-top square box, a moving rod and a height-adjusting box are arranged in the fixed box, the moving rod slides on the inner side of the fixed box, the height-adjusting box is positioned on the moving rod, the height-adjusting box slides on the moving rod, and the height-adjusting box is suitable for measuring and adjusting the large-diameter circular tube;
the support frame is installed on the fixing box, one end of the support frame is fixedly connected with the fixing box, and the other end of the support frame is suitable for supporting a large-diameter circular tube.
Preferably, the bottom of the inner wall of the fixed box is provided with two groups of horizontal grooves, and the two groups of horizontal grooves are respectively in sliding fit with two ends of the movable rod;
the horizontal groove is provided with a first guide channel, the two ends of the moving rod are provided with threaded holes corresponding to the first guide channels, the threaded holes are provided with first bolts, and the first bolts penetrate through the first guide channels and are connected with the threaded holes.
Preferably, the fixing box is provided with stiffening plates, the stiffening plates are fixedly connected with the fixing box, the stiffening plates are uniformly distributed below the supporting frame, and the stiffening plates are suitable for enhancing the supporting strength of the supporting frame.
Preferably, the moving rod is provided with a moving block, the moving block is connected with the moving rod in a sliding manner, the moving block is provided with a through hole, the moving rod is provided with a second guide channel matched with the through hole, the moving block is detachably connected to the second guide channel, the through hole is provided with a second bolt, and the second bolt penetrates through the second guide channel and is connected with the moving block;
the height adjusting box comprises a shell, a jack and a first telescopic device, the shell is fixedly connected with a moving block, and the jack is installed on the inner side of the shell;
the jack comprises a plunger rod, a lifting hand pipe and a base, wherein the plunger rod is suitable for stretching up and down, the lifting hand pipe is suitable for adjusting the height of the plunger rod, a clamping groove matched with the base is formed in the inner side of the shell, an arc plate is installed at the top of the plunger rod and suitable for supporting a large-diameter circular pipe, a connecting hole is formed in the shell and suitable for leaking the lifting hand pipe out of the shell, the first stretching device is detachably connected with the lifting hand pipe, and the first stretching device is suitable for extruding the lifting hand pipe and adjusting the height of the plunger rod.
Preferably, U-shaped holes are formed in four sides of the fixing box, and the U-shaped holes are suitable for the first telescopic up-down reciprocating motion to adjust the height of the plunger rod.
Preferably, the support frame is equipped with multiunit and parallel plunger rod setting, the support frame includes stand, arc support and elastic backing plate, every group be equipped with two stands in the support frame, stand and fixed box upper surface fixed connection, arc support sliding connection is between two stands, the arc support is suitable for supporting the major diameter pipe, elastic backing plate installs between the stand of the downside of arc support, elastic backing plate is suitable for supporting the major diameter pipe.
Preferably, the upright posts are two groups of symmetrical U-shaped posts, and second telescopic rods are fixedly connected to the two groups of U-shaped posts and positioned in the middle of the U-shaped posts;
the second telescopic rod comprises an upper rod, a lower rod and a spring, a clamping groove is formed in the upper rod, a blind hole is formed in the lower rod, the upper rod slides in the blind hole, the spring is installed in the blind hole, one end of the spring is fixedly connected with the bottom of the upper rod, and the other end of the spring is fixedly connected with the bottom of the inner wall of the lower rod;
the arc support includes the diaphragm, the diaphragm is equipped with two sets ofly, two sets of the draw-in groove joint of diaphragm and upper boom.
Preferably, the movable rod is marked with a first range along the moving direction of the movable block, the inner wall of the fixed box is marked with a second range along the moving direction of the movable rod, and the shell is marked with a third range along the supporting direction of the plunger rod.
Preferably, the method further comprises the following installation steps:
firstly, designing a large-diameter circular pipe according to a drawing, building a temporary support, a temporary packway and the large-diameter circular pipe, measuring by an installer through the temporary packway, and determining the elevation and the position of the large-diameter circular pipe;
secondly, mounting a fixed box under the large-diameter circular tube, welding the fixed box on the temporary support, and adjusting the positions of the movable rod and the movable block to reach a designated point and fixing according to a drawing by taking a mounting point of the fixed box as a starting point;
step three, mounting a first telescopic rod on a lifting hand pipe of the jack, mounting an arc plate on a plunger rod of the jack, detachably connecting the first telescopic rod with the lifting hand pipe, rotating the first telescopic rod to lift the large-diameter circular pipe, enabling the large-diameter circular pipe not to extend to the outer side of the U-shaped hole, adjusting the arc plate to a designed height, supporting the large-diameter circular pipe, observing readings of all measuring ranges, and achieving a preset design position;
fourthly, clamping a transverse plate of the arc-shaped support with a clamping groove of the upper rod, adjusting the height of the upper rod on the stand column until the arc-shaped support is attached to the bottom of the large-diameter circular tube, then adding a base plate between the stand columns until the height of the arc-shaped support is unchanged, and calibrating the positions and the elevations of the large-diameter circular tube and the arc-shaped support;
step five, dismantling the jack, and recycling the jack for reuse in the next installation;
and step six, when the whole large-diameter circular pipe is installed and then is unloaded, a jack can be installed and lifted to the position for supporting the large-diameter circular pipe, the base plate is disassembled to lower the arc-shaped support, the supporting points are gradually reduced, and the fixing box is disassembled and recycled.
Compared with the prior art, the invention can obtain the following technical effects:
the H-shaped steel and the steel plate are combined, welded and installed, and the materials are all taken from common construction site or construction materials, so that the material cost can be greatly saved; the setting structure is a three-line sliding mode, so that the heightening box can be adjusted in three groups of directions, namely left and right, front and back, and up and down, and a large-diameter circular tube arranged on the heightening box is adjusted according to a drawing, so that the problems that the large-diameter circular tube is difficult to place and the like are solved, and the effect of accurate positioning is achieved;
then, the position of the large-diameter circular tube is adjusted firstly, the height of the arc-shaped support is adjusted to be attached to the large-diameter circular tube after the large-diameter circular tube is stabilized, the radian of the arc-shaped support and the radian of the large-diameter circular tube can be determined and processed before installation, and the arc-shaped frame and the elastic cushion plate are set to be suitable for supporting the large-diameter circular tube, so that the large-diameter circular tube can be stably installed on the arc-shaped frame;
the jack is installed on the carriage release lever and first telescopic link is direct to be connected with the installation handle department on the jack, can realize adjusting the height of jack plunger at a distance, sets up the U-shaped hole on fixed box for keep the space and give first telescopic link and execute the space, make this device have the rationality.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of the device of the present invention taken along the axial direction 1/4;
FIG. 2 is a top view of the apparatus of the present invention;
FIG. 3 is an overall structural view of the present invention;
FIG. 4 is a view showing a U-shaped pillar of the present invention;
FIG. 5 is a cross-sectional view of a U-shaped post of the stand of the present invention;
FIG. 6 is a schematic view of the heightening box of the present invention;
FIG. 7 is a schematic view of a second telescoping pole of the present invention.
In the figure: 1. a large diameter circular tube; 2. a fixing box; 3. a fixing box (31, a stiffening plate); 4. a moving rod (41, a moving block); 5. the height adjusting box (51, a shell, 52, a first telescopic rod, 53, an arc plate, 54, a plunger rod, 55, a lifting handle pipe); 6. a support frame (61, a column; 62, an arc-shaped support; 63, an elastic cushion plate; 64, a second telescopic rod).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 to 7: a large-diameter circular tube positioning device comprises a large-diameter circular tube 1 and a temporary support 2, wherein a fixed box 3 is mounted on the temporary support 2, the fixed box 3 is fixedly connected with the temporary support 2, the fixed box 3 is a square box without a top, a moving rod 4 and a heightening box 5 are mounted in the fixed box 3, the moving rod 4 slides on the inner side of the fixed box 3, the heightening box 5 is positioned on the moving rod 4, the heightening box 5 slides on the moving rod 4, and the heightening box 5 is suitable for measuring and adjusting the large-diameter circular tube 1;
the fixed box 3 is provided with a support frame 6, one end of the support frame 6 is fixedly connected with the fixed box 3, and the other end of the support frame 6 is suitable for supporting the large-diameter circular tube 1.
The bottom of the inner wall of the fixed box 3 is provided with two groups of horizontal grooves, and the two groups of horizontal grooves are respectively in sliding fit with the two ends of the movable rod 4;
a first guide channel is formed in the horizontal groove, threaded holes are formed in the positions, corresponding to the first guide channels, of the two ends of the moving rod 4, first bolts are installed on the threaded holes, and the first bolts penetrate through the first guide channels and are connected with the threaded holes.
The fixing box 3 is provided with stiffening plates 31, the stiffening plates 31 are fixedly connected with the fixing box 3, the stiffening plates 31 are uniformly distributed below the supporting frame 6, and the stiffening plates 31 are suitable for enhancing the supporting strength of the supporting frame 6.
A moving block 41 is installed on the moving rod 4, the moving block 41 is connected with the moving rod 4 in a sliding mode, a through hole is formed in the moving block 41, a second guide channel matched with the through hole is formed in the moving rod 4, the moving block 41 is detachably connected to the second guide channel, a second bolt is installed on the through hole, and the second bolt penetrates through the second guide channel and is connected with the moving block 41;
the heightening box 5 comprises a shell 51, a jack and a first telescopic part 52, wherein the shell 51 is fixedly connected with the moving block 41, and the jack is arranged on the inner side of the shell 51;
the jack comprises a plunger rod 54, a lifting hand tube 55 and a base, wherein the plunger rod 54 is suitable for extending up and down, the lifting hand tube 55 is suitable for adjusting the height of the plunger rod 54, a clamping groove which is suitable for the base is formed in the inner side of a shell 51, an arc plate 53 is installed at the top of the plunger rod 54, the arc plate 53 is suitable for supporting a large-diameter circular tube 1, a connecting hole is formed in the shell 51 and is suitable for leaking the lifting hand tube 55 out of the outer side of the shell 51, the first extension 52 is detachably connected with the lifting hand tube 55, and the first extension 52 is suitable for extruding the lifting hand tube 55 and adjusting the height of the plunger rod 54.
The four sides of the fixing box 3 are all provided with U-shaped holes, and the U-shaped holes are suitable for the first telescopic rod 52 to reciprocate up and down to adjust the height of the plunger rod 54.
The upright posts 61 are two groups of symmetrical U-shaped posts, the two groups of U-shaped posts are fixedly connected with second telescopic rods 64, and the second telescopic rods 64 are positioned in the middle of the U-shaped posts;
the second telescopic rod 64 comprises an upper rod, a lower rod and a spring, wherein a clamping groove is formed in the upper rod, a blind hole is formed in the lower rod, the upper rod slides in the blind hole, the spring is installed in the blind hole, one end of the spring is fixedly connected with the bottom of the upper rod, and the other end of the spring is fixedly connected with the bottom of the inner wall of the lower rod;
the arc-shaped support 62 comprises two groups of transverse plates, and the two groups of transverse plates are clamped with the clamping grooves of the upper rod.
The movable rod 4 is marked with a first range along the moving direction of the movable block 41, the inner wall of the fixed box 3 is marked with a second range along the moving direction of the movable rod 4, and the shell 51 is marked with a third range along the supporting direction of the plunger rod 54.
A method for installing a large-diameter circular tube positioning device comprises the following steps:
firstly, designing a large-diameter circular tube 1 according to a drawing, erecting a temporary support 2, a temporary pavement and the large-diameter circular tube 1, measuring by an installer through the temporary pavement, and preliminarily determining the elevation and the position of the large-diameter circular tube 1;
step two, mounting a fixed box 3 below the large-diameter circular tube 1, welding the fixed box 3 on the temporary support 2, and adjusting the positions of the movable rod 4 and the movable block 41 to reach a specified point and fixing according to a drawing by taking a mounting point of the fixed box 3 as a starting point;
step three, mounting the first telescopic rod 52 on a lifting hand tube 55 of the jack, mounting an arc plate 53 on a plunger rod 54 of the jack, detachably connecting the first telescopic rod 52 with the lifting hand tube 55, rotating the first telescopic rod 52 to lift the large-diameter circular tube 1, wherein the position is not enough to extend to the outer side of the U-shaped hole, adjusting the arc plate 53 to the design height and supporting the large-diameter circular tube 1, observing the readings of all ranges, and achieving the preset design position;
fourthly, clamping the transverse plate of the arc-shaped support 62 with the clamping groove of the upper rod, adjusting the height of the upper rod on the upright post 61 until the arc-shaped support 62 is attached to the bottom of the large-diameter circular tube 1, then plugging a backing plate between the upright posts 61 until the height of the arc-shaped support 62 is unchanged, and calibrating the positions and elevations of the large-diameter circular tube 1 and the arc-shaped support 62;
step five, dismantling the jack, and recycling the jack for the next installation;
and step six, when the unloading operation is carried out after the whole large-diameter circular tube 1 is installed, a jack can be installed and lifted to the position for supporting the large-diameter circular tube 1, the base plate is disassembled to lower the arc-shaped support 62, the supporting points are gradually reduced, and the fixing box 3 is disassembled and recycled.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a major diameter pipe positioner, includes major diameter pipe (1) and interim support (2), its characterized in that: the temporary support (2) is provided with a fixed box (3), the fixed box (3) is fixedly connected with the temporary support (2), the fixed box (3) is a non-top square box, a moving rod (4) and a heightening box (5) are arranged in the fixed box (3), the moving rod (4) slides on the inner side of the fixed box (3), the heightening box (5) is positioned on the moving rod (4), the heightening box (5) slides on the moving rod (4), and the heightening box (5) is suitable for measuring and adjusting a large-diameter circular tube (1);
a support frame (6) is installed on the fixing box (3), one end of the support frame (6) is fixedly connected with the fixing box (3), and the other end of the support frame (6) is suitable for supporting the large-diameter circular tube (1);
a moving block (41) is mounted on the moving rod (4), the moving block (41) is connected with the moving rod (4) in a sliding mode, a through hole is formed in the moving block (41), a second guide channel matched with the through hole is formed in the moving rod (4), the moving block (41) is detachably connected to the second guide channel, a second bolt is mounted on the through hole, and the second bolt penetrates through the second guide channel and is connected with the moving block (41);
the heightening box (5) comprises a shell (51), a jack and a first telescopic rod (52), the shell (51) is fixedly connected with a moving block (41), and the jack is installed on the inner side of the shell (51);
the jack comprises a plunger rod (54), a lifting hand tube (55) and a base, wherein the plunger rod (54) is suitable for extending up and down, the lifting hand tube (55) is suitable for adjusting the height of the plunger rod (54), a clamping groove matched with the base is formed in the inner side of the shell (51), an arc plate (53) is installed at the top of the plunger rod (54), the arc plate (53) is suitable for supporting a large-diameter circular tube (1), a connecting hole is formed in the shell (51), the connecting hole is suitable for leaking out of the lifting hand tube (55) to the outer side of the shell (51), the first telescopic rod (52) is detachably connected with the lifting hand tube (55), and the first telescopic rod (52) is suitable for extruding the lifting hand tube (55) and adjusting the height of the plunger rod (54);
the four sides of the fixed box (3) are provided with U-shaped holes, and the U-shaped holes are suitable for the first telescopic rod (52) to reciprocate up and down to adjust the height of the plunger rod (54);
the support frame (6) is provided with a plurality of groups of plunger rods (54) which are parallel to each other, the support frame (6) comprises upright columns (61), arc-shaped supports (62) and elastic cushion plates (63), two upright columns (61) are arranged in each group of support frame (6), the upright columns (61) are fixedly connected with the upper surface of the fixing box (3), the arc-shaped supports (62) are connected between the two upright columns (61) in a sliding manner, the arc-shaped supports (62) are suitable for supporting the large-diameter circular tubes (1), the elastic cushion plates (63) are installed between the upright columns (61) on the lower side of the arc-shaped supports (62), and the elastic cushion plates (63) are suitable for supporting the large-diameter circular tubes (1);
the upright posts (61) are two groups of symmetrical U-shaped posts, second telescopic rods (64) are fixedly connected to the two groups of U-shaped posts, and the second telescopic rods (64) are positioned in the middle of the U-shaped posts;
the second telescopic rod (64) comprises an upper rod, a lower rod and a spring, a clamping groove is formed in the upper rod, a blind hole is formed in the lower rod, the upper rod slides in the blind hole, the spring is installed in the blind hole, one end of the spring is fixedly connected with the bottom of the upper rod, and the other end of the spring is fixedly connected with the bottom of the inner wall of the lower rod;
the arc-shaped support (62) comprises transverse plates, two sets of transverse plates are arranged on the transverse plates, and the transverse plates are connected with clamping grooves of the upper rod in a clamping mode.
2. The large-diameter round tube positioning device according to claim 1, wherein: the bottom of the inner wall of the fixed box (3) is provided with two groups of horizontal grooves, and the two groups of horizontal grooves are respectively in sliding fit with the two ends of the movable rod (4);
a first guide channel is formed in the horizontal groove, threaded holes are formed in the positions, corresponding to the first guide channels, of the two ends of the moving rod (4), first bolts are mounted on the threaded holes, and the first bolts penetrate through the first guide channels and are connected with the threaded holes.
3. The large-diameter round tube positioning device according to claim 1, wherein: the fixing box (3) is provided with stiffening plates (31), the stiffening plates (31) are fixedly connected with the fixing box (3), the stiffening plates (31) are uniformly distributed below the supporting frame (6), and the stiffening plates (31) are suitable for strengthening the supporting strength of the supporting frame (6).
4. A large-diameter round tube positioning device as defined in claim 3, wherein: the movable rod (4) is marked with a first measuring range along the moving direction of the movable block (41), the inner wall of the fixed box (3) is marked with a second measuring range along the moving direction of the movable rod (4), and the shell (51) is marked with a third measuring range along the supporting direction of the plunger rod (54).
5. A method for mounting a large-diameter round pipe positioning device according to claim 4, wherein: also comprises the following installation steps:
firstly, designing a large-diameter circular tube (1) according to a drawing, erecting a temporary support (2), a temporary packway and the large-diameter circular tube (1), measuring by an installer through the temporary packway, and determining the elevation and the position of the large-diameter circular tube (1);
secondly, mounting a fixed box (3) below the large-diameter circular tube (1), welding the fixed box (3) on the temporary support (2), and adjusting the positions of a moving rod (4) and a moving block (41) to reach a specified point and fixing according to a drawing by taking the mounting point of the fixed box (3) as a starting point;
step three, mounting a first telescopic rod (52) on a lifting hand pipe (55) of the jack, mounting an arc plate (53) on a plunger rod (54) of the jack, detachably connecting the first telescopic rod (52) with the lifting hand pipe (55), rotating the first telescopic rod (52) to lift the large-diameter circular pipe (1), adjusting the arc plate (53) to the design height and supporting the large-diameter circular pipe (1), observing readings of all measuring ranges to reach a preset design position, wherein the position is not enough and can extend to the outer side of the U-shaped hole;
fourthly, clamping a transverse plate of the arc-shaped support (62) with a clamping groove of the upper rod, adjusting the height of the upper rod on the upright post (61) until the arc-shaped support (62) is attached to the bottom of the large-diameter circular tube (1), then plugging a base plate between the upright posts (61) until the height of the arc-shaped support (62) is unchanged, and calibrating the positions and elevations of the large-diameter circular tube (1) and the arc-shaped support (62);
step five, dismantling the jack, and recycling the jack for reuse in the next installation;
sixthly, when the whole large-diameter circular pipe (1) is installed and then is unloaded, a jack can be installed and lifted to the position supporting the large-diameter circular pipe (1), the base plate is disassembled to lower the arc-shaped support (62), supporting points are gradually reduced, and the fixed box (3) is disassembled and recycled.
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CN205013870U (en) * | 2015-07-14 | 2016-02-03 | 李柠妍 | Chemical industry transportation support for pipeline |
CN206693640U (en) * | 2017-03-30 | 2017-12-01 | 中冶建工集团有限公司 | A kind of space sheet steel-tube construction overall package platform |
CN208199963U (en) * | 2018-04-17 | 2018-12-07 | 中冶建工集团有限公司 | A kind of actinobacillus device and its bracket |
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