CN111852039B - Assembling method and positioning tool for measuring tower - Google Patents

Abstract

The invention discloses an assembling method of a measuring tower and a positioning tool applied to the assembling method. In the process of assembling the measuring tower, the three bases are respectively positioned through the three third flange plates on the positioning tool, and because the third flange plates on the positioning tool are fixed in position, each first flange hole on the first flange plate is opposite to each third flange hole in the third flange plate, the size of the base assembly can be fixed through the space between every two adjacent bases, in addition, the center lines of the first flange hole and the third flange hole can be coincided, and the follow-up second flange hole is favorably opposite to the first flange hole. The second flange plate is correspondingly placed on the third flange plate, the tower upright post is directly welded on the second flange plate after the second flange hole is aligned with the third flange hole, the first flange hole is aligned with the second flange hole, the size of the welded tower assembly is matched with that of the base assembly, and the end face flatness of the first flange plate and the end face flatness of the second flange plate are ensured.

Description

Assembling method and positioning tool for measuring tower

Technical Field

The invention relates to the technical field of measuring equipment, in particular to an assembling method and a positioning tool for a measuring tower.

Background

During the underwater construction of the immersed tube tunnel, a measuring tower is needed to measure parameters such as the attitude, the plane position and the like of the tube joint. The measuring tower generally comprises a measuring tower upright post and a base, wherein the lower end of the base is arranged on a pipe joint panel, and the measuring tower upright post is arranged on the upper end face of the base. In the prior art, the tower column and the base are built by different construction units, the base is welded on the pipe joint panel, and the tower column is arranged on the upper end face of the base when in use. Because the installation accuracy of tower stand and base is higher, and tower stand and base are built by different units, can have great error when subsequently assembling measuring tower stand and base, can make the first flange hole of base upper end and the second flange hole of tower stand lower extreme produce the deviation, often need to cut again or adjust, assembles the difficulty and delays construction cycle.

Disclosure of Invention

One object of the present invention is: provides a measuring tower assembling method which has high assembling speed and high precision.

Another object of the invention is: the utility model provides a location frock, it can fix a position tower stand or base, is favorable to accelerating the equipment speed of measuring the tower.

In order to achieve the purpose, the invention adopts the following technical scheme:

provided is a method for assembling a measuring tower, comprising the following steps:

step S10, providing a base assembly, a tower assembly and a positioning tool respectively, wherein the base assembly comprises three bases which are distributed at intervals, a first flange is welded at the upper end of each base, the tower assembly comprises three tower columns and three second flanges, the second flanges are to be welded with the bottoms of the tower columns, the positioning tool comprises three support columns, a third flange is welded at the same end of each support column, and all the third flanges at the same end of the positioning tool are positioned on the same horizontal plane;

step S20, hoisting the positioning tool to the base, enabling the three third flange plates to be respectively placed on the three first flange plates, adjusting the base, enabling each first flange hole on the first flange plate to be respectively aligned with each third flange hole in the third flange plate one by one to obtain a base assembly, integrally moving the base assembly to a theoretical installation position on a pipe joint panel, welding the lower end parts of the three bases with the pipe joint panel, and then removing the positioning tool from the base assembly;

correspondingly placing the three second flange plates on the three third flange plates on the positioning tool respectively, adjusting the second flange plates to enable the second flange holes on the second flange plates to be aligned with the third flange holes in the third flange plates one by one, and removing the positioning tool after welding the tower column on the side surface of the second flange plate deviating from the third flange plates;

step S30, hoisting the tower assembly to the base assembly, so that the second flanges are respectively stacked on the first flanges, adjusting the tower assembly so that the second flange holes are opposite to the first flange holes, and then tightening the second flange holes and the third flange holes with flange bolts.

As a preferable technical solution of the assembly method of the measuring tower, in the step S20, before the positioning tool is hoisted to the base, the base is pre-positioned on the pipe joint panel, and after a base pre-installation position is obtained on the pipe joint panel, the lower end of the base is placed at the base pre-installation position.

As a preferable technical solution of the assembly method of the measuring tower, in the step S20, adjusting the base to align the first flange holes on the first flange plate with the third flange holes in the third flange plate one by one specifically includes the following steps:

step S21, inserting the positioning bolts on the third flange plates into the first center holes of the first flange plates correspondingly, so that the axial leads of the two corresponding third flange plates are superposed with the axial lead of the first flange plate;

step S22, rotating the base around the positioning pin inserted into the first center hole, so that each first flange hole on the same first flange is aligned with the third flange hole in the third flange correspondingly.

As a preferable technical solution of the assembling method of the measuring tower, in the step S22, after each of the first flange holes on the same first flange is aligned with the third flange hole in the third flange, the first flange and the third flange are locked by using a locking member to restrict the first flange from rotating relative to the third flange.

As a preferable aspect of the assembling method of the measuring tower, the step S20 further includes the steps of: the pipe joint panel is well determined the theoretical installation position of the base assembly, the theoretical installation position corresponds to the position of the center line of the positioning plate on the tool body to form a position line, and the base assembly moves integrally to the theoretical installation position on the pipe joint panel, so that the center line of the positioning plate is coincided with the positioning line.

On the other hand, the positioning tool is applied to the assembling method of the measuring tower and is characterized by comprising a tool body, the tool body comprises three vertically arranged support columns and three connecting frames, the three support columns are respectively arranged in an equilateral triangle shape, the connecting frame is connected between every two adjacent support columns, the same end of each support column is provided with a third flange plate, all the third flange discs on the same end part of the tool body are positioned on the same horizontal plane, the third flange plate is respectively provided with a positioning bolt and at least two third flange holes, the positioning bolt protrudes out of the end face of the third flange plate, and the positioning bolt is positioned on the axis of the third flange plate, the third flange hole penetrates through the third flange plate, and the third flange hole is used for inserting the locking piece.

As an optimal technical scheme of the positioning tool, the connecting frame comprises two sectional bodies, the two adjacent sectional bodies are detachably connected through a flange connecting piece, and one end, far away from the flange connecting piece, of each sectional body is connected with the supporting column.

As an optimal technical scheme of the positioning tool, two sub-sections connected with the same supporting column are connected with each other through reinforcing pieces, and the reinforcing pieces connected with each other and the sub-sections are arranged at included angles.

As an optimal technical scheme of the positioning tool, the segment body comprises a vertical rod and at least two cross rods, the cross rods are distributed at intervals along the vertical direction, the vertical rod is connected between the two adjacent cross rods, one end of each cross rod is connected with the supporting column, and the other end of each cross rod is connected with the flange connecting piece.

As an optimal technical scheme of the positioning tool, a positioning plate is arranged in the middle of the connecting frame.

The invention has the beneficial effects that: according to the assembling method of the measuring tower, the three bases are respectively positioned through the three third flange plates on the positioning tool, the positions of the third flange plates on the positioning tool are fixed, each first flange hole in the first flange plate is opposite to each third flange hole in the third flange plate, the size of the base assembly can be fixed through the distance between every two adjacent bases, in addition, the center lines of the first flange holes and the third flange holes can be superposed, and the subsequent opposite direction of the second flange holes and the first flange holes is facilitated. The three second flange plates are correspondingly placed on the third flange plate, the tower upright post is directly welded on the second flange plate after the second flange hole and the third flange hole are aligned, the first flange hole and the second flange hole are aligned, and the size of the welded tower assembly is matched with that of the base assembly. Because all the third flanges on the same end of the tool body are the same plane, the flatness of the end face of the first flange and the end face of the second flange can be ensured during assembly.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

FIG. 1 is a schematic diagram of the assembly of the base, the first flange, the tube segment panel, the tower column, and the second flange according to the embodiment.

FIG. 2 is a schematic side view of the positioning tool according to the embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a bottom view of the positioning tool according to the embodiment (the positioning pin is not shown in the figure).

FIG. 5 is a schematic view showing the structure of the locking member of the embodiment.

In the figure:

100. a base; 200. a first flange plate; 300. a tower column; 400. a second flange plate; 500. a flange bolt; 600. a pipe section panel;

1. a support pillar; 2. a connecting frame; 21. a segment body; 211. a cross bar; 212. a vertical rod; 213. a flange connection; 3. positioning a plate; 4. a lifting eye plate; 5. a third flange plate; 51. a third flange aperture; 6. a reinforcement; 7. locking the bolt; 71. a limiting part; 72. a latch rod; 721. a guide surface; 8. positioning a bolt; 81. inserting surfaces; 9. a toggle plate.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 5, the present invention provides an assembling method of a measuring tower and a positioning tool, and the positioning tool is applied to the assembling method of the measuring tower. This kind of location frock is mainly applied to in the equipment of the measuring tower of constituteing by having base subassembly and tower subassembly, and wherein, the base subassembly includes three interval distribution's base 100, and three base 100 is triangle-shaped and arranges, and the upper end of each base 100 all welds has first ring flange 200, and the tower subassembly includes three tower stand 300 and three second ring flange 400, and second ring flange 400 waits to weld with the bottom of tower stand 300 and adorns. Specifically, the first flange plate 200 has a first central hole and at least two first flange holes, the first central hole is located on the axial line of the first flange plate 200 and is concavely disposed on the end face of the first flange plate 200, and the at least two first flange holes are disposed around the first central hole. The second flange plate 400 has a second center hole and at least two second flange holes, the second center hole is located on the axial line of the second flange plate 400 and is concavely disposed on the end surface of the first flange plate 200, and the at least two second flange holes are disposed around the second center hole. The assembly method of the positioning tool and the measuring tower will be described in detail below.

This location frock includes the frock body, the frock body includes support column 1 and three connecting frame 2 of three vertical setting, three support column 1 is equilateral triangle respectively and arranges, all be connected with connecting frame 2 between two adjacent support columns 1, the same end of each support column 1 all is provided with third flange 5, all third flange 5 are located same horizontal plane on the same tip of frock body, be provided with location bolt 8 and two at least third flange holes 51 on the third flange 5 respectively, 8 protrusions of location bolt are located the terminal surface of third flange 5, and location bolt 8 is located the axis of third flange 5, third flange hole 51 runs through third flange 5, and third flange hole 51 is used for supplying the fastener to insert and establish. In a specific use, the positioning pins 8 may be respectively inserted into the first center hole of the first flange 200 and the second center hole of the second flange 400 to respectively position the first flange 200 and the second flange 400, so that the axial line of the first flange 200 coincides with the axial line of the third flange 5 and the axial line of the second flange 400 coincides with the axial line of the third flange 5. The arrangement of the positioning bolt 8 can quickly adjust and coincide the axial leads of the first flange 200 and the third flange 5, and can quickly adjust and coincide the axial leads of the second flange 400 and the third flange 5, so that the distance between two adjacent bases 100 and the distance between two adjacent tower columns 300 can be quickly adjusted, and the accuracy is ensured. When the axial lead of the first flange 200 coincides with the axial lead of the second flange 400, the base 100 is rotated around the positioning pin 8, so that the first flange hole is opposite to the third flange hole 51, and then the locking member is inserted into the third flange hole 51 and the first flange hole in sequence, so that the base 100 is locked and the rotation of the base 100 is limited. In addition, because the third flange 5 at the same end of the fixture body is located at the same horizontal plane, in the process of positioning the base 100 and the tower column 300, the first flange 200 of each base 100 can be located at the same horizontal plane, and the second flange 400 on each tower column 300 can be located at the same horizontal plane. In the process of measuring the tower equipment, use this location frock can guarantee that the interval between three base 100, the interval between three tower stand 300, the flatness of first ring flange 200 terminal surface and second ring flange 400 terminal surface, the interval between the first flange hole that corresponds and the second flange hole all is less than 1mm, realize that the subassembly targets in place once, the equipment is fast, and the precision meets the requirements.

The positioning bolt 8 is provided with a connecting part connected with the third flange 5 and an inserting part arranged at one end of the connecting part, which is far away from the third flange 5, the periphery of the inserting part is provided with an inserting surface 81, and the inserting surface 81 inclines towards the axis direction of the positioning bolt 8 from one end of the inserting part, which is far away from the connecting part, to one end of the inserting part, which is close to the connecting part.

In one embodiment, the connection frame 2 includes two segment bodies 21, two adjacent segment bodies 21 are detachably connected through a flange connection 213, and one end of the segment body 21 away from the flange connection 213 is connected to the support column 1. The connecting frame 2 is formed in a split mode, so that the connecting frame is convenient to disassemble, assemble and position, and convenient to carry and store.

Wherein, connect same two of support column 1 be connected with reinforcement 6 between the segmentation body 21, interconnect's reinforcement 6 with be the contained angle setting between the segmentation body 21. The reinforcing piece 6 is mainly arranged in two aspects, on one hand, the reinforcing piece is used for reinforcing the integral structural strength of the positioning tool; on the other hand, because be the contained angle setting between interconnect's reinforcement 6 and the segmentation body 21 for reinforcement 6 is the triangular distribution with two segmentation bodies 21 of connecting on same support column 1, this kind of design can be dismantled the location frock and form three structure components of a whole that can function independently, and reinforcement 6 in every structure components of a whole that can function independently and two segmentation bodies 21 of connecting on same support column 1 are the triangular distribution, utilize the triangle-shaped characteristics that have the steadiness to prevent the in-process of structure components of a whole that can function independently transportation or handling from warping.

In this embodiment, the length of each segment 21 is the same, the length of the reinforcing member 6 is 1/2 of the length of the segment 21, and the middle parts of the segments 21 of the reinforcing member 6 are connected, so that the included angle between the reinforcing member 6 and the segment 21 is 60 °, that is, the reinforcing member 6 and the two segments 21 connected to the same support column 1 are distributed in an equilateral triangle structure. Of course, in other embodiments, the length of the reinforcing member 6 and the position of the two segment bodies 21 connected to the same supporting column 1 may be flexibly designed as required as long as the reinforcing member 6 and the two segment bodies 21 connected to the same supporting column 1 are distributed in a triangular shape.

The sectional body 21 comprises a vertical rod 212 and at least two cross rods 211, the cross rods 211 are distributed at intervals along the vertical direction, the vertical rod 212 is connected between the two adjacent cross rods 211, one end of each cross rod 211 is connected with the support column 1, the other end of each cross rod is connected with the flange connecting piece 213, the sectional body 21 with the structure is made of few materials and has high structural strength, and the manufacturing materials are saved. Specifically, one end of the cross bar 211, which is far away from the supporting column 1, is provided with a flange plate, and when the concrete assembly is performed, the flange connecting bolt is screwed into two adjacent flange plates, so that the detachable connection of the two segment bodies 21 is realized.

Specifically, both ends of the reinforcing member 6 are connected to the vertical rods 212, respectively.

In this embodiment, the both ends of support column 1 all protrude in horizontal pole 211 for support column 1 plays the supporting role to the location frock, avoids horizontal pole 211 and places the face contact.

Wherein, can weld third flange 5 in the one end of support column 1, three third flange 5 all are on same horizontal plane on this kind of design need to guarantee the location frock same end. And the third flange discs 5 can be welded at the two ends of the supporting column 1, and the three third flange discs 5 at the same end of the positioning tool are on the same horizontal plane.

The end face, facing the subsection body 21, of the third flange plate 5 is provided with a toggle plate 9, the toggle plate 9 is provided with a first side face and a second side face, the first side face is horizontally arranged, the second side face is vertically arranged, the first side face is connected with the second side face, the first side face is welded with the end face, facing the subsection body 21, of the third flange plate 5, and the second side face is welded with the side face of the support column 1. The third flange plate 5 is welded with the support column 1 through the toggle plate 9, so that the connecting structure of the third flange plate 5 and the support column 1 can be strengthened, and the phenomenon that the welding position between the third flange plate 5 and the support column 1 is broken is avoided.

In this embodiment, two toggle plates 9 are disposed on the same third flange 5, and the two toggle plates 9 are symmetrically disposed with the support column 1 as a center. In other embodiments, the number of the toggle plates 9 provided on the same third flange 5 may also be one, three, four, etc.

In order to facilitate hoisting and positioning of the tool, the middle part of the connecting frame 2 is provided with a positioning plate 3. The tool body is provided with a lifting eye plate 9 used for being connected with lifting equipment.

In this embodiment, the lifting eye plate 9 is provided on the cross bar 211 to prevent the lifting eye plate 9 from obstructing the provision of the third flange 5.

In an embodiment, the third flange 5 is disposed at one end of the tool body, and the lifting eye plate 9 is disposed on the cross bar 211 at the end of the tool body where the third flange 5 is not disposed, so as to prevent the lifting eye plate 9 from affecting the attachment of the third flange 5 to the second flange 400 or affecting the attachment of the third flange 5 to the first flange 200.

In another embodiment, the third flange plates 5 are disposed at two ends of the tool body, the lifting eye plate 9 is disposed on the cross bar 211 at least one end of the tool body, and the lifting eye plate 9 does not protrude out of the third flange plates 5 in the vertical direction, so that the third flange plates 5 are prevented from being attached to the second flange plates 400 or the attachment of the third flange plates 5 to the first flange plates 200 is prevented from being affected by the presence of the lifting eye plate 9.

In order to conveniently position the base 100 and the positioning tool, the middle part of the connecting frame 2 is provided with a positioning plate 3. In this embodiment, the positioning plate 3 has a first positioning plate and a second positioning plate spliced with the first positioning plate, and the first positioning plate and the second positioning plate are disposed at positions adjacent to the flange connection member 213.

In the embodiment, an assembling method of a measuring tower is provided, in the assembling method, in step S10, a base assembly, a tower assembly and a positioning tool are provided respectively, the base assembly includes three bases 100 distributed at intervals, a first flange 200 is welded to an upper end portion of each base 100, the tower assembly includes three tower columns 300 and three second flanges 400, the second flanges 400 are to be welded to bottoms of the tower columns 300, the positioning tool includes three support columns 1, a third flange 5 is welded to a same end of each support column 1, and all the third flanges 5 on the same end of the positioning tool are located on a same horizontal plane. The positioning tool is the positioning tool described in any of the above embodiments, and the detailed structure of the positioning tool is not described herein again.

Step S20, hoisting the positioning tool to the base 100, respectively placing the three third flange plates 5 on the three first flange plates 200, adjusting the base 100 to respectively align the first flange holes on the first flange plates 200 with the third flange holes 51 in the third flange plates 5 one by one to obtain a base assembly, integrally moving the base assembly to a theoretical installation position on the pipe joint panel 600, welding the lower end parts of the three base 100 with the pipe joint panel 600, and then removing the positioning tool from the base assembly. The end surface of the first flange 200 in the base assembly needs to be closely attached to the end surface of the second flange 400, so that the first flanges 200 are all located on the same horizontal plane. Before the lower end of the base 100 is welded with the pipe joint panel 600, the positioning tool is tightly attached to the upper end of the base assembly, so that errors generated in the welding process can be reduced.

And correspondingly placing the three second flange plates 400 on the three third flange plates 5 on the positioning tool respectively, adjusting the second flange plates 400 to enable the second flange holes on the second flange plates 400 to be aligned with the third flange holes 51 in the third flange plates 5 one by one, and removing the positioning tool after the tower columns 1 are welded on the side surfaces of the third flange plates 5 departing from the second flange plates 400.

Step S30, hoisting the tower assembly to the base assembly, so as to stack each second flange 400 on each first flange 200, adjusting the tower assembly so that the second flange hole is opposite to the first flange hole, and then tightening the tower assembly in the second flange hole and the third flange hole 51 by using flange bolts 500.

In the assembling method of the measuring tower, it is required to ensure that the specifications and the sizes of the first flange 200, the second flange 400 and the third flange 5 are the same, so as to ensure that the flange holes of the first flange 200, the second flange 400 and the third flange 5 can be aligned with each other. In this specification, the alignment of the second flange hole with the first flange hole means that the center line of the second flange hole coincides with the center line of the first flange hole, the alignment of the first flange hole with the third flange hole 51 means that the center line of the first flange hole coincides with the center line of the third flange hole 51, and the alignment of the third flange hole 51 with the second flange hole means that the center line of the third flange hole 51 coincides with the center line of the second flange hole.

The three bases 100 are respectively positioned through the three third flange plates 5 on the positioning tool, and because the third flange plates 5 on the positioning tool are fixed in position, each first flange hole on the first flange plate 200 is just opposite to each third flange hole 51 in the third flange plate 5, on one hand, the third flange plates 5 are utilized to control the distance between the two adjacent bases 100, the size of the base assembly is fixed, on the other hand, the center lines of the first flange holes and the third flange holes 51 are superposed, and the subsequent second flange holes and the first flange holes are favorably just opposite. The three second flange plates 400 are correspondingly placed on the third flange plate 5, the tower columns 300 are directly welded on the second flange plates 400 after the second flange holes are aligned with the third flange holes 51, so that the three second flange plates 400 are ensured to be aligned with the three third flange plates 5 one by one, the distance between every two adjacent tower columns 300 is further regulated, the size of the welded tower component is matched with that of the base component, and meanwhile, all the second flange holes on the same second flange plate 400 are aligned with all the third flange holes 51 on the same third flange plate 5 one by one. Because all the first flange holes on the same first flange plate 200 are also directly opposite to all the third flange holes 51 of the third flange plate 5 one by one, the base assembly is welded behind the pipe joint panel 600 and the support column 1 is welded with the second flange plate 400, each first flange hole can be ensured to be directly opposite to one second flange hole, the mounting precision of the base assembly and the tower assembly is improved, and meanwhile, the end face of the first flange plate 200 and the end face of the second flange plate 400 are also ensured to be smooth.

In this embodiment, in step S10, two identical positioning tools are provided, and the two identical positioning tools are used to assist in positioning the base assembly and the tower assembly, respectively, so that the assembly of the base assembly and the pipe joint panel 600 and the assembly of the tower column 300 and the second flange 400 can be performed separately and differently on different sites, thereby effectively increasing the efficiency of the measurement tower assembly. Specifically, two location frock are made through same mother board, guarantee that two location frock are identical.

Of course, in other embodiments, only one positioning tool may be provided in step S10, and the assembly of the base assembly and the pipe joint panel 600 and the assembly of the tower upright 300 and the second flange 400 share the same positioning tool, so as to save the cost for manufacturing the positioning tool.

In step S20, before the positioning tool is hoisted onto the base 100, the base 100 is prepositioned on the pipe joint panel 600, and after the preassembly position of the base 100 is obtained on the pipe joint panel 600, the lower end of the base 100 is placed at the preassembly position of the base 100. In this step, before the positioning device and the base 100 form the base assembly, the base 100 is placed on the pre-installation position of the base 100 in advance, and then the base assembly can be moved to the theoretical installation position only by fine adjustment of the base assembly, so that adjustment is facilitated.

In the step S20, the step of adjusting the base 100 to align each first flange hole on the first flange 200 with each third flange hole 51 in the third flange 5 includes the following steps:

step S21, inserting the positioning pins 8 on the third flange plates 5 into the first center holes of the first flange plate 200 correspondingly, so that the axial leads of the two corresponding third flange plates 5 and the first flange plate 200 are superposed;

step S22, the base 100 is rotated around the positioning pin 8 inserted into the first central hole, so that all the first flange holes on the same first flange 200 are aligned with the third flange holes 51 in the third flange 5 one by one.

The positioning pin 8 is inserted into the first central hole, so that the first flange plate 200 can only rotate around the positioning pin 8 relative to the third flange plate 5 and cannot integrally move the first flange plate 200, and the first flange hole is favorably aligned with the third flange hole 51.

In the step S22, after all the first flange holes on the same first flange 200 are correspondingly aligned with the third flange holes 51 in the third flange 5, the first flange 200 and the third flange 5 are locked by using a locking member to limit the rotation of the first flange 200 relative to the third flange 5. In this embodiment, the locking member is a locking bolt 7, and the locking bolt 7 has a bolt rod 72 and a stopper portion 71 protruded in a radial direction of the bolt rod 72. Specifically, the latch rod 72 is inserted through the third flange hole 51 and the first flange hole facing each other in this order, and the stopper 71 abuts against the end surface of the third flange 5, so that the stopper 71 is prevented from falling in the first flange hole and the third flange hole 51. In order to facilitate the insertion of the latch rod 72 into the first and second flange holes, the insertion end of the latch rod 72 has a slanted guide surface 721. The diameter of the latch rod 72 between the guide surface 721 and the stopper portion 71 is equal to or slightly smaller than the diameter of the first flange hole or the second flange hole, and the first flange hole and the third flange hole 51 are prevented from being misaligned or deviated.

In step S20, the method further includes: the pipe joint panel 600 is well determined the theoretical installation position of the base assembly, the theoretical installation position corresponds to the position of the 3 central lines of the positioning plate to form a bit line, and the base assembly moves integrally to the theoretical installation position on the pipe joint panel 600, so that the 3 central lines of the positioning plate coincide with the positioning line. And during actual assembly, the total station is used for adjusting the center line of the positioning plate 3 to coincide with the positioning line.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

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 appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (7)

1. A method of assembling a measuring tower, comprising the steps of:

step S10, providing a base assembly, a tower assembly and a positioning tool respectively, wherein the base assembly comprises three bases which are distributed at intervals, a first flange is welded at the upper end of each base, the tower assembly comprises three tower columns and three second flanges, the second flanges are to be welded with the bottoms of the tower columns, the positioning tool comprises three support columns, a third flange is welded at the same end of each support column, and all the third flanges at the same end of the positioning tool are positioned on the same horizontal plane;

step S20, hoisting the positioning tool to the base, enabling the three third flange plates to be respectively placed on the three first flange plates, adjusting the base, enabling each first flange hole on the first flange plate to be respectively aligned with each third flange hole in the third flange plate one by one to obtain a base assembly, integrally moving the base assembly to a theoretical installation position on a pipe joint panel, welding the lower end parts of the three bases with the pipe joint panel, and then removing the positioning tool from the base assembly;

correspondingly placing the three second flange plates on the three third flange plates on the positioning tool respectively, adjusting the second flange plates to enable the second flange holes on the second flange plates to be aligned with the third flange holes in the third flange plates one by one, and removing the positioning tool after welding the tower column on the side surface of the second flange plate deviating from the third flange plates;

in step S20, before the positioning tool is hoisted to the base, the base is pre-positioned on the pipe joint panel, and after a base pre-installation position is obtained on the pipe joint panel, the lower end of the base is placed at the base pre-installation position;

in step S20, adjusting the base to align each first flange hole on the first flange plate with each third flange hole in the third flange plate one to one specifically includes the following steps:

step S21, inserting positioning bolts on the third flange plates into the first center holes of the first flange plates correspondingly to enable the axial leads of the two corresponding third flange plates to be coincident with the axial lead of the first flange plate;

step S22, rotating the base around the positioning pin inserted into the first center hole, so that each first flange hole on the same first flange is aligned with the third flange hole in the third flange correspondingly;

in step S22, after each first flange hole on the same first flange is aligned with the third flange hole in the third flange, locking the first flange and the third flange by using a locking member to limit the rotation of the first flange relative to the third flange;

step S30, hoisting the tower assembly to the base assembly, enabling the second flange plates to be respectively superposed on the first flange plates, adjusting the tower assembly to enable the second flange holes to be opposite to the first flange holes, and then screwing flange bolts in the first flange holes and the second flange holes.

2. The method for assembling a measuring tower according to claim 1, wherein in the step S20, the method further comprises the steps of: the pipe joint panel is well determined the theoretical installation position of the base assembly, the theoretical installation position corresponds to the position of the center line of the positioning plate on the tool body to form a position line, and the base assembly moves integrally to the theoretical installation position on the pipe joint panel, so that the center line of the positioning plate is coincided with the positioning line.

3. A positioning tool applied to the assembly method of the measuring tower of any one of claims 1 to 2, is characterized by comprising a tool body, wherein the tool body comprises three vertically arranged support columns and three connecting frames, the three support columns are respectively arranged in an equilateral triangle shape, the connecting frame is connected between every two adjacent support columns, the same end of each support column is provided with a third flange plate, all the third flange discs on the same end part of the tool body are positioned on the same horizontal plane, the third flange plate is respectively provided with a positioning bolt and at least two third flange holes, the positioning bolt protrudes out of the end face of the third flange plate, and the positioning bolt is positioned on the axis of the third flange plate, the third flange hole penetrates through the third flange plate, and the third flange hole is used for inserting the locking piece.

4. The positioning tool according to claim 3, wherein the connecting frame comprises two segment bodies, two adjacent segment bodies are detachably connected through a flange connecting piece, and one end, far away from the flange connecting piece, of each segment body is connected with the supporting column.

5. The positioning tool according to claim 4, wherein a reinforcing member is connected between the two segment bodies connected to the same supporting column, and the reinforcing member and the segment bodies which are connected with each other are arranged at an included angle.

6. The positioning tool according to claim 4, wherein the segment body comprises vertical rods and at least two cross rods, the at least two cross rods are distributed at intervals in the vertical direction, the vertical rods are connected between two adjacent cross rods, one end of each cross rod is connected with the support column, and the other end of each cross rod is connected with the flange connecting piece.

7. The positioning tool according to any one of claims 3 to 6, wherein a positioning plate is arranged in the middle of the connecting frame.

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