CN110640380A - Segmented steel pipe ring integral ring assembling tool and method - Google Patents
Segmented steel pipe ring integral ring assembling tool and method Download PDFInfo
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- CN110640380A CN110640380A CN201911055747.6A CN201911055747A CN110640380A CN 110640380 A CN110640380 A CN 110640380A CN 201911055747 A CN201911055747 A CN 201911055747A CN 110640380 A CN110640380 A CN 110640380A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 134
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- 239000000178 monomer Substances 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 241000282326 Felis catus Species 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 2
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
The invention provides a sectional type steel pipe ring integral ring assembling tool which comprises a bottom platform, an upper connecting plate positioning device and an upper pin shaft plate positioning device, wherein a plurality of bottom platforms are arranged annularly, lower connecting plate positioning pins, lower pin shaft plate positioning pins and outline contour lines matched with the arc shapes of steel pipe ring monomers are arranged on the bottom platforms, the upper connecting plate positioning device is arranged on the bottom platform through a frame body and comprises a movable positioning frame capable of moving inwards and outwards along the radial direction of the steel pipe ring monomers, the upper connecting plate is moved to a pre-installation position on the steel pipe ring monomers through the movable positioning frame, the upper pin shaft plate positioning device comprises an upper pin shaft plate positioning frame, one end of the upper pin shaft plate positioning frame is fixedly connected with the installed upper connecting plate, the other end of the upper pin shaft plate positioning frame points to the radial inner side of the steel pipe ring monomers, and the end of the upper; the invention also provides a ring assembling method adopting the tool. The invention can repeatedly carry out the assembly operation of high-precision positioning on the steel pipe ring, thereby reducing the cost and the construction difficulty.
Description
Technical Field
The invention belongs to the technical field of production and installation of segmented steel pipe rings, and particularly relates to a segmented steel pipe ring integral ring assembling tool and a method for integrally assembling segmented steel pipe rings by adopting the tool.
Background
At present, for a steel structure pipe ring (hereinafter referred to as a steel pipe ring) with large size and large weight and large diameter (more than 10 m), a block type manufacturing method is generally adopted in the industry, namely, the whole steel pipe ring is uniformly divided into a plurality of blocks along the circumferential direction to be manufactured independently, the steel pipe ring blocks are transported to a construction site and then spliced into a whole ring, and the manufacturing method has the advantages of easiness in production and transportation.
The existing block grouping ring method mainly comprises two methods: firstly, all steel pipe ring blocks are pre-spliced into a whole ring on a construction site, then a connection hole position is processed in a machining mode, all the steel pipe ring blocks are assembled and connected into the whole ring by utilizing high-strength bolts and welding, but the method excessively depends on large-scale machining equipment, so that the construction efficiency is low, the manufacturing cost is greatly improved, and some construction site operation conditions are limited, and the large-scale machining equipment cannot be applied. Secondly, all the steel pipe ring blocks are pre-assembled into a whole ring in the same way, then connecting pieces (such as side connecting plates 07 in figures 1 and 2) are assembled and welded on site between the adjacent blocks to replace machining, connecting hole sites are arranged on the connecting pieces, and all the steel pipe ring blocks are assembled and connected into the whole ring by utilizing high-strength bolts and welding.
In addition, for the steel pipe rings needing to be subjected to multi-layer stacking operation, the connecting pieces between the upper layer steel pipe ring and the lower layer steel pipe ring need to be welded in a matched mode, the accuracy of each pre-assembly and welding operation is difficult to ensure to be completely consistent in the prior art, and therefore the large installation error and the large construction difficulty are caused when the steel pipe rings are connected on a construction site.
Therefore, the inventors of the present invention have desired to design a new ring assembling tool and a new ring assembling method, which can ensure high positioning accuracy and high operation efficiency when pre-assembling and assembling rings of steel pipe rings while getting rid of large-scale machining equipment.
Disclosure of Invention
The invention aims to provide a segmented steel pipe ring integral ring assembling tool and a segmented steel pipe ring integral ring assembling method which are high in positioning accuracy and high in operating efficiency, and aims to solve the problems in the background art.
The steel pipe ring comprises a steel pipe ring body, a connecting plate and pin shaft plates, wherein the steel pipe ring body is uniformly divided into a plurality of steel pipe ring monomers along the circumferential direction, each steel pipe ring monomer comprises an inner arc surface and an outer arc surface, each pin shaft plate comprises an upper pin shaft plate and a lower pin shaft plate which are respectively arranged at the two axial ends of the inner arc surface, and each connecting plate comprises an upper connecting plate and a lower connecting plate which are respectively arranged at the two axial ends of the outer arc surface and a side connecting plate which is arranged at the two arc ends of each steel pipe ring monomer and is connected with the inner arc surface and the outer arc surface. The upper connecting plate and the lower connecting plate are used for fixedly connecting adjacent steel pipe rings during multi-layer stacking operation, and the upper pin shaft plate and the lower pin shaft plate are used for adjusting the rotating angle between the adjacent steel pipe rings during the multi-layer stacking operation.
It should be noted that, since the steel pipe ring unit is a part of the steel pipe ring body, and the steel pipe ring body is an annular pipeline, the description of the steel pipe ring unit in the axial and radial directions in the present invention is actually the axial and radial directions of the steel pipe ring body.
In order to achieve the aim, the invention provides a segmented steel pipe ring integral ring assembling tool which comprises bottom platforms, an upper connecting plate positioning device and an upper pin shaft plate positioning device, wherein the bottom platforms are annularly arranged, a lower connecting plate positioning pin for positioning a lower connecting plate, a lower pin shaft plate positioning pin for positioning a lower pin shaft plate and an outline contour line matched with the arc shape of a steel pipe ring monomer are arranged on each bottom platform, the upper connecting plate positioning device is arranged on each bottom platform through a frame body and comprises a movable positioning frame for fixing an upper connecting plate, a guide mechanism and a power mechanism, the guide mechanism and the power mechanism are arranged on the movable positioning frame, the movable positioning frame moves inwards and outwards along the radial direction of the steel pipe ring monomer through the cooperation of the guide mechanism and the power mechanism, and then the upper connecting plate is moved to a pre-installation position of the upper connecting plate on the steel pipe ring monomer, the upper pin shaft plate positioning device comprises an upper pin shaft plate positioning frame which is radially arranged along the steel pipe ring monomer, one end of the upper pin shaft plate positioning frame, which is positioned on the radial outer side, is fixedly arranged on an installed upper connecting plate, and one end, which is positioned on the radial inner side, is provided with an upper pin shaft plate positioning pin which is used for positioning the upper pin shaft plate.
Preferably, the support body is including supporting main part, workstation, cat ladder and guardrail, it is fixed to support the main part and set up on the platform of bottom, the workstation is fixed to be set up in supporting the main part and be used for installing connecting plate positioner, cat ladder joint support main part and bottom platform are used for realizing about the personnel between the two, the guardrail sets up along cat ladder and support the border all around of main part footboard and prevents stepping on the sky and fall.
Preferably, the movable positioning frame is of an arc structure, the plurality of movable positioning frames are annularly arranged to form a 360-degree full circle, and the upper connecting plate to be installed is fixedly arranged on the radial inner side of the movable positioning frame.
Preferably, the upper connecting plate positioning device further comprises at least one group of positioning seats and positioning bolts, the positioning seats are fixedly arranged on the workbench, the number of the positioning seats is two, the two positioning seats are arranged along the radial direction of the steel pipe ring, a through hole is formed in the movable positioning frame, the center of the through hole is overlapped with the center connecting line of the two positioning seats, the movable positioning frame drives the through hole to move right above the two positioning seats, the positioning bolts penetrate through the through hole and are inserted into the positioning seats located on the radial inner side/outer side to fix the position of the movable positioning frame, and the upper connecting plate positioning device is locked and is in a working/non-working state.
Further preferably, an installation sleeve is arranged between the positioning seat and the positioning bolt, so that the positioning seat is prevented from being abraded by repeated actions of taking out and inserting the positioning bolt, and the installation sleeve and the positioning bolt can be directly replaced after being abraded.
Preferably, the guide mechanism is a linear guide rail arranged along the radial direction of the steel pipe ring single body, and the power mechanism is a motor or a rocking wheel.
Further preferably, power unit is for rocking the wheel, it includes erection support, connection support, rotatory lead screw and rotatory hand wheel to rock the wheel, the erection support is fixed to be set up on the workstation, the connection support is fixed to be set up on removing the locating rack, rotatory lead screw links firmly with the rotation hand wheel after passing the erection support along the radial one end that just is located radial inboard of steel pipe ring monomer and connecting the support and be located radial outside.
Preferably, a detachable transition connecting frame is arranged between any two adjacent bottom platforms, and all the bottom platforms are arranged into a regular circle through the transition connecting frame, namely, the outline of each bottom platform forms a 360-degree full circle.
Preferably, a connecting rod is arranged between any two adjacent bottom platforms, and all the bottom platforms are fixedly connected through the connecting rod.
Preferably, all be equipped with the anticollision roof beam between arbitrary two adjacent bottom platforms, the minimum diameter of the circle that a plurality of anticollision roof beams constitute is greater than the external diameter of steel pipe ring body, and is less than the minimum internal diameter of the circle that comprises a plurality of removal locating brackets when positioning bolt and the positioning seat that is located radial outside cooperate.
The invention also provides a ring assembling method adopting the segmented steel pipe ring integral ring assembling tool, which comprises the following steps:
1) assembling a tool: the bottom platforms are arranged annularly, transition connecting frames are arranged between the adjacent bottom platforms to enable all the bottom platforms to be arranged orderly, connecting rods are arranged between the adjacent bottom platforms to enable all the bottom platforms to be fixedly connected into a whole through the connecting rods, frame bodies, lower connecting plate positioning pins and lower pin shaft plate positioning pins are arranged at corresponding positions of the bottom platforms respectively, upper connecting plate positioning devices are arranged on the frame bodies, the transition connecting frames are removed, and anti-collision beams are arranged between the adjacent bottom platforms;
2) the first time of ring assembly: the movable positioning frame is moved towards the radial outer side through a power mechanism, when a through hole in the movable positioning frame moves to a position right above a positioning seat located at the radial outer side, a positioning bolt penetrates through the through hole and is inserted into the positioning seat to fix the movable positioning frame, at the moment, an upper connecting plate positioning device is locked and is in a non-working state, a lower connecting plate and a lower pin shaft plate are placed on a bottom platform and are positioned through corresponding lower connecting plate positioning pins and lower pin shaft plate positioning pins, a steel pipe ring monomer is hoisted onto the bottom platform and is aligned with an outline of the shape on the bottom platform, and welding operation among the steel pipe ring monomer, the lower connecting plate and the lower pin shaft plate is completed;
3) and (3) second ring grouping: arranging an upper connecting plate to be installed on the radial inner side of the movable positioning frame, taking out the positioning bolt, enabling the movable positioning frame to move towards the radial inner side through a power mechanism, enabling the positioning bolt to penetrate through the through hole and be inserted into the positioning seat to fix the movable positioning frame when the through hole in the movable positioning frame moves to be right above the positioning seat located on the radial inner side, enabling the positioning bolt to be locked by the upper connecting plate positioning device and to be in a working state, enabling the upper connecting plate to move to a pre-installation position on the steel pipe ring monomer under the action of the movable positioning frame, and completing welding operation between the steel pipe ring monomer and the upper connecting plate;
4) third subgroup loop: fixedly connecting one end of the radial outer side of the upper pin shaft plate positioning frame with the installed upper connecting plate, wherein the position of an upper pin shaft plate positioning pin positioned at one end of the radial inner side of the upper pin shaft plate positioning frame is the pre-installation position of the upper pin shaft plate on the steel pipe ring monomer;
5) and (3) finishing the operation: respectively welding side connecting plates at the two ends of the steel pipe ring monomers in the arc direction to ensure that hole positions on two opposite side connecting plates between the adjacent steel pipe ring monomers are aligned, taking down the upper pin shaft plate positioning device, moving the movable positioning frame to the radial outer side, and lifting and moving each steel pipe ring monomer from the ring assembling tool;
6) and (5) repeating the steps 2) to 5), and realizing high-precision positioning assembly operation of the segmented steel pipe ring.
The technical scheme provided by the invention at least has the following beneficial effects:
1. the ring assembling tool provided by the invention has the advantages that the structure is simple, the installation is convenient, the operation is simple, large-scale machine equipment is not needed, the simplified operation of the segmented steel pipe ring assembly on the operation is realized through the matching between the steel pipe ring monomer and the outline contour line, the matching between the pin shaft plate of each connecting plate and the positioning pin and the matching between the positioning pin and the positioning seat, the repeated positioning precision is high, the construction cost and the construction difficulty are reduced, and the production efficiency is improved.
2. The positioning bolt and the two positioning seats matched with the positioning bolt are designed, so that the movable positioning frame can be used for positioning the position of the upper connecting plate, the normal entering or leaving of the steel pipe ring single body to the tool is not influenced, meanwhile, the anti-collision beams arranged in the annular direction are also designed, the collision between the steel pipe ring single body and the positioning device of the upper connecting plate during hoisting is avoided, and the construction safety is ensured.
3. According to the invention, the annular mounting sleeve is arranged between the positioning seat and the positioning bolt, so that the positioning seat is prevented from being abraded by repeated actions of taking out and inserting the positioning bolt, and the mounting sleeve and the positioning bolt can be directly replaced after being abraded, so that the service life of the tool is prolonged, the maintenance is convenient, and the maintenance efficiency is high.
4. The transitional connecting frame is arranged between the adjacent bottom platforms, so that all the bottom platforms are arranged into a regular circle, the relative positions of all the steel pipe ring monomers placed along the outline of the bottom platform are accurate, all the components on the steel pipe ring monomers are accurately positioned, the quality of finished products is reliable, the transitional connecting frame is fixedly connected with the bottom platforms through the pin shafts when in use, and the steel pipe ring monomers can be disassembled after use.
5. According to the invention, the connecting rods are arranged between the adjacent bottom platforms, the bottom platforms which are arranged orderly can be fixedly connected into a whole, the position change of a plurality of bottom platforms caused by the impact force generated when the steel pipe ring monomers are placed in the follow-up process is avoided, even if the position change is caused, the positions of all the bottom platforms simultaneously change in the same trend, the relative position among the bottom platforms is unchanged, the accurate alignment of the steel pipe ring monomers placed along the outline of the bottom platforms is further ensured, and the product quality of the steel pipe ring monomers is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic front view of a steel pipe ring unit according to the present invention;
FIG. 2 is a schematic view showing a rear structure of the steel pipe ring unit of FIG. 1;
FIG. 3 is a schematic structural diagram of a segmented steel pipe ring integral ring assembling tool in embodiment 1 of the invention;
FIG. 4 is a schematic view of the placement of the bottom platform of FIG. 3 (with the locating pins hidden and the transition brackets partially in place);
FIG. 5 is a schematic structural view of the upper connecting plate positioning device in FIG. 3;
FIG. 6 is a schematic structural view of the frame of FIG. 5;
FIG. 7 is a schematic diagram of the rocking wheel of FIG. 5;
FIG. 8 is a schematic structural view of the upper pin plate positioning device of FIG. 3;
in the figure: 01 inner arc surface, 02 outer arc surface, 03 upper connecting plate, 04 lower connecting plate, 05 upper pin plate, 06 lower pin plate, 07 side connecting plate; 1, a bottom platform, 2, an upper connecting plate positioning device, 3, an upper pin shaft plate positioning device, 4, a lower connecting plate positioning pin, 5, a lower pin shaft plate positioning pin, 6, an outline, 7, 8, a transition connecting frame, 9, a connecting rod and 10, wherein the upper pin shaft plate positioning device is arranged on the bottom platform; 21 moving a positioning frame, 22 linear guide rails, 23 rocking wheels, 24 positioning seats, 25 positioning bolts and 26 mounting sleeves; 231 installing a support, 232 connecting the support, 233 rotating a screw rod and 234 rotating a hand wheel; 31, an upper pin shaft plate positioning frame, 32 positioning connecting pieces and 33, upper pin shaft plate positioning pins; 71 support the body, 72 table, 73 ladder, 74 guardrail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1
Referring to fig. 1-2, the steel pipe ring finished product includes steel pipe ring body, connecting plate and round pin axle plate, the steel pipe ring body is equallyd divide equally along circumference and is a plurality of steel pipe ring monomers, the steel pipe ring monomer includes intrados 01 and extrados 02, round pin axle plate is including setting up respectively at the last round pin axle plate 05 and the lower round pin axle plate 06 at intrados 01 axial both ends including, the connecting plate is including setting up respectively at the last connecting plate 03 and the lower connecting plate 04 at extrados 02 axial both ends and setting up at steel pipe ring monomer arc to both ends and connect the side connecting plate 07 of inside and outside cambered surface.
Referring to fig. 3-8, a whole ring assembling tool for a segmented steel pipe ring comprises a bottom platform 1, an upper connecting plate positioning device 2, an upper pin shaft plate positioning device 3, a lower connecting plate positioning pin 4, a lower pin shaft plate positioning pin 5, a frame body 7 and a connecting rod 9.
The bottom platforms 1 are provided with lower connecting plate positioning pins 4, lower pin shaft plate positioning pins 5 and an outline 6, the outline 6 is matched with the arc shapes of the steel pipe ring monomers, the bottom platforms 1 are annularly arranged to enable the steel pipe ring monomers to be spliced into a 360-degree whole ring, and any two adjacent bottom platforms 1 are fixedly connected through a connecting rod 9; the lower connecting plate positioning pin 4 is used for positioning a lower connecting plate, the lower pin shaft plate positioning pin 5 is used for positioning a lower pin shaft plate, and the lower connecting plate positioning pin 4 is located on the radial outer side of the lower pin shaft plate positioning pin 5.
In this embodiment, the number of the bottom platforms 1 is 12, and the number of the lower pin plate positioning pins 5 is 4 and is uniformly distributed along the arc length direction of the outline 6.
The support body 7 comprises a support main body 71, a workbench 72, a ladder 73 and a guardrail 74, the support main body 71 is fixedly arranged on the bottom platform 1, the workbench 72 is fixedly arranged on the support main body 71 and used for installing the upper connecting plate positioning device 2, the ladder 73 is connected with the support main body 71 and the bottom platform 1 and used for realizing the up-and-down of personnel between the two, and the guardrail 74 is arranged along the ladder and the periphery of the pedal of the support main body to prevent falling in a pedal space.
The upper connecting plate positioning device 2 comprises a movable positioning frame 21, a linear guide rail 22, a rocking wheel 23, a positioning seat 24 and a positioning bolt 25. The movable positioning frames 21 are of arc structures, the movable positioning frames 21 on the bottom platforms 1 are annularly arranged to form a 360-degree full circle, and an upper connecting plate to be installed is fixedly arranged on the radial inner side of the movable positioning frames 21; the movable positioning frame 21 is movably arranged on the workbench 72 through a linear guide rail 22 and a rocking wheel 23, the linear guide rail 22 is arranged along the radial direction of the steel pipe ring monomer, the positioning frame 21 can be moved radially inwards and outwards along the steel pipe ring, the rocking wheel 23 comprises an installation support 231, a connecting support 232, a rotary screw rod 233 and a rotary hand wheel 234, the mounting seat 231 is fixedly arranged on the worktable 72, the connecting seat 232 is fixedly arranged on the movable positioning frame 21, the rotary screw 233 is arranged along the radial direction of the steel pipe ring single body, one end of the rotary screw 233 positioned at the radial inner side is fixedly connected with the connecting support 232, one end of the rotary screw 233 positioned at the radial outer side passes through the mounting support 231 and then is fixedly connected with the rotary hand wheel 234, the rotary screw 233 is driven to rotate by rotating the rotary hand wheel 234, and then the movable positioning frame 21 is driven to accurately position the upper connecting plate to the pre-installation position of the upper connecting plate on the steel pipe ring single body.
A positioning pin 25 is used in cooperation with the two positioning seats 24 to form a set of positioning and locking mechanisms. In the same set of positioning locking mechanism, the two positioning seats 24 are fixedly arranged on the workbench 72 and are arranged along the radial direction of the steel pipe ring, the movable positioning frame 21 is provided with a through hole, the center of the through hole is overlapped with the center connecting line of the two positioning seats 24, the movable positioning frame 21 is driven to move above the two positioning seats 24 through the through hole, and the positioning bolt 25 passes through the through hole and is inserted into the positioning seats positioned on the radial inner side/outer side to realize the position fixing of the movable positioning frame 21.
In this embodiment, two sets of positioning locking mechanisms are provided, and the two are symmetrically disposed at two ends of the arc length of the movable positioning frame 21. In this embodiment, a mounting sleeve 26 is further disposed between the positioning seat 24 and the positioning plug 25, so as to prevent the positioning seat from being worn by repeated actions of removing and inserting the positioning plug, and the mounting sleeve 26 and the positioning plug 25 can be directly replaced after being worn.
The upper pin shaft plate positioning device 3 comprises an upper pin shaft plate positioning frame 31, a positioning connecting piece 32 and an upper pin shaft plate positioning pin 33. The upper pin shaft plate positioning frame 31 is arranged along the radial direction of the steel pipe ring, the positioning connecting piece 32 is arranged at one end, located on the radial outer side, of the upper pin shaft plate positioning frame 31 and used for achieving the fixed connection between the upper pin shaft plate positioning frame 31 and the installed upper connecting plate, and the upper pin shaft plate positioning pin 33 is arranged at one end, located on the radial inner side, of the upper pin shaft plate positioning frame 31 and used for positioning the upper pin shaft plate. The upper pin plate positioning device 3 can be placed or fixed on the mobile positioning frame 21 when not in use.
The number of the positioning connecting pieces 32 is at least two, so that the rotation of the upper pin shaft plate positioning frame 31 caused by a single positioning connecting piece is avoided, and the position precision of the pin shaft plate positioning pin 33 on the other end is ensured.
In this embodiment, a detachable transition connecting frame 8 is further disposed between any two adjacent bottom platforms 1, and all the bottom platforms are arranged into a regular circle by passing through the transition connecting frame 8, that is, the outline 6 on each bottom platform forms a 360-degree full circle. Transition link 8 uses before connecting each bottom platform, realizes removing transition link 8 after linking firmly between each bottom platform through connecting rod 9.
In this embodiment, an anti-collision beam 10 is further disposed between any two adjacent bottom platforms 1, and a minimum diameter of a circle formed by the plurality of anti-collision beams 10 is larger than an outer diameter of the steel pipe ring body and smaller than a minimum inner diameter of a circle formed by the plurality of movable positioning frames 21 when the positioning pins 25 are engaged with the positioning seats 24 located on the radial outer side.
The integral ring assembling method for the segmented steel pipe ring by adopting the tool comprises the following steps:
1) assembling a tool: the bottom platforms 1 are arranged annularly, transition connecting frames 8 are arranged between the adjacent bottom platforms 1 to ensure that all the bottom platforms are arranged into a regular circle, connecting rods 9 are arranged between the adjacent bottom platforms 1, the orderly arranged bottom platforms 1 are fixedly connected into a whole through the connecting rods 9, frame bodies 7, lower connecting plate positioning pins 4 and lower pin shaft plate positioning pins 5 are respectively arranged at corresponding positions of the bottom platforms 1, upper connecting plate positioning devices 2 are arranged on working tables 72 of the frame bodies 7, the transition connecting frames 8 are removed, and anti-collision beams 10 are arranged between the adjacent bottom platforms 1;
2) the first time of ring assembly: the rocking wheel 23 is rotated forwardly to enable the movable positioning frame 21 to move towards the radial outer side, when a through hole in the movable positioning frame 21 moves to a position right above a positioning seat 24 located at the radial outer side, a positioning bolt 25 penetrates through the through hole and is inserted into the positioning seat to fix the movable positioning frame 21, at the moment, the upper connecting plate positioning device 2 is locked and is in a non-working state, a lower connecting plate 04 and a lower pin shaft plate 06 are placed on the bottom platform 1 and are positioned through a corresponding lower connecting plate positioning pin 4 and a corresponding lower pin shaft plate positioning pin 5, the steel pipe ring monomer is hoisted onto the bottom platform 1 and is aligned with an outline 6 on the bottom platform, and welding operation between the steel pipe ring monomer and the lower connecting plate 04 and between the steel pipe ring monomer and the lower pin shaft plate;
3) and (3) second ring grouping: arranging an upper connecting plate 03 to be installed on the radial inner side of the movable positioning frame 21, taking out the positioning bolt 25, reversely rotating the rocking wheel 23 to enable the movable positioning frame 21 to move towards the radial inner side, when the through hole in the movable positioning frame 21 moves to a position right above the positioning seat 24 located on the radial inner side, enabling the positioning bolt 25 to penetrate through the through hole and be inserted into the positioning seat to fix the movable positioning frame 21, locking the upper connecting plate positioning device 2 at the moment and being in a working state, moving the upper connecting plate 03 to a pre-installation position on the steel pipe ring monomer under the action of the movable positioning frame 21, and completing the welding operation between the steel pipe ring monomer and the upper connecting plate 03;
4) third subgroup loop: fixedly connecting one end of the radial outer side of the upper pin shaft plate positioning frame 31 with the installed upper connecting plate, wherein the position of an upper pin shaft plate positioning pin 33 positioned at one end of the radial inner side of the upper pin shaft plate positioning frame 31 is the pre-installation position of the upper pin shaft plate on the steel pipe ring single body, positioning the upper pin shaft plate 05 through the upper pin shaft plate positioning pin 33, and completing the welding operation between the steel pipe ring single body and the upper pin shaft plate 05;
5) and (3) finishing the operation: respectively welding side connecting plates 07 at the arc-direction two ends of each steel pipe ring monomer to ensure that hole positions on two opposite side connecting plates between the adjacent steel pipe ring monomers are aligned, taking down the upper pin shaft plate positioning device 3 and rotating the rocking wheel 23 in the forward direction to enable the movable positioning frame 21 to move radially outwards, enabling the upper connecting plate positioning device 2 to be locked and in a non-working state, and hoisting and removing the assembled steel pipe ring monomers from the ring assembling tool;
6) and (5) repeating the steps 2) to 5), and realizing high-precision positioning assembly operation of the segmented steel pipe ring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Any improvement or equivalent replacement directly or indirectly applied to other related technical fields within the spirit and principle of the invention and the contents of the specification and the drawings of the invention shall be included in the protection scope of the invention.
Claims (10)
1. The integral ring assembling tool for the segmented steel pipe ring is characterized in that the steel pipe ring comprises a steel pipe ring body, a connecting plate and a pin shaft plate, the steel pipe ring body is divided into a plurality of steel pipe ring monomers along the circumferential direction, the steel pipe ring monomers comprise an inner arc surface (01) and an outer arc surface (02), the pin shaft plate comprises an upper pin shaft plate (05) and a lower pin shaft plate (06) which are respectively arranged at the two axial ends of the inner arc surface (01), the connecting plate comprises an upper connecting plate (03) and a lower connecting plate (04) which are respectively arranged at the two axial ends of the outer arc surface (02) and side connecting plates (07) which are arranged at the two axial ends of the steel pipe ring monomers in the arc direction and are connected with the inner arc surface and the outer;
the ring assembling tool comprises bottom platforms (1), an upper connecting plate positioning device (2) and an upper pin shaft plate positioning device (3), wherein a plurality of bottom platforms (1) are arranged in a circumferential direction, a lower connecting plate positioning pin (4) for positioning a lower connecting plate, a lower pin shaft plate positioning pin (5) for positioning a lower pin shaft plate and an outline (6) matched with the arc shape of a steel pipe ring monomer are arranged on each bottom platform (1), the upper connecting plate positioning device (2) is arranged on each bottom platform (1) through a frame body (7) and comprises a movable positioning frame (21) for fixing the upper connecting plate and a guide mechanism and a power mechanism which are arranged on the movable positioning frame (21), the movable positioning frame moves inwards and outwards along the radial direction of the steel pipe ring monomer through the matching of the guide mechanism and the power mechanism, and then the upper connecting plate is moved to the pre-installation position of the upper connecting plate on the steel pipe ring monomer, go up pintle board positioner (3) including radially setting up last pintle board locating rack (31) along steel pipe ring monomer, go up pintle board locating rack (31) and be located the fixed setting of the one end in the radial outside on the upper junction plate that has installed, and the one end that is located radial inboard then is equipped with last pintle board locating pin (33) that is used for fixing a position the pintle board.
2. The integral ring assembling tool for the segmented steel pipe ring as claimed in claim 1, wherein the frame body (7) comprises a support main body (71), a workbench (72), a ladder (73) and a guardrail (74), the support main body (71) is fixedly arranged on the bottom platform (1), the workbench (72) is fixedly arranged on the support main body (71) and used for installing the upper connecting plate positioning device (2), the ladder (73) is connected with the support main body (71) and the bottom platform (1) and used for enabling people to get on and off the support main body and the bottom platform, and the guardrail (74) is arranged along the peripheral edges of the ladder and the pedal of the support main body to prevent falling of a pedal.
3. The tool for integrally assembling the segmented steel pipe ring according to claim 2, wherein the movable positioning frame (21) is of an arc structure, a plurality of the movable positioning frames (21) are annularly arranged to form a 360-degree full circle, and an upper connecting plate to be installed is fixedly arranged on the radial inner side of the movable positioning frame (21).
4. The integral ring assembling tool for the segmented steel pipe ring according to claim 3, the upper connecting plate positioning device (2) also comprises at least one group of positioning seats (24) and positioning bolts (25) which are matched with each other, the two positioning seats (24) are fixedly arranged on the workbench (72), the two positioning seats (24) are arranged along the radial direction of the steel pipe ring monomer, a through hole is arranged on the movable positioning frame (21), the center of the through hole is superposed with the central connecting line of the two positioning seats (24), the upper through holes of the movable positioning frame (21) are driven to move right above the two positioning seats (24) by moving the movable positioning frame, the positioning bolt (25) penetrates through the through hole and is inserted into the positioning seat positioned on the radial inner side/outer side to realize position fixing of the movable positioning frame (21), and at the moment, the upper connecting plate positioning device (2) is locked and is in a working/non-working state.
5. The integral ring assembling tool for the segmented steel pipe ring according to claim 4, wherein the guide mechanism is a linear guide rail (22) arranged along the radial direction of the steel pipe ring monomer, and the power mechanism is a motor or a rocking wheel (23).
6. The integral ring assembling tool for the segmented steel pipe ring according to claim 5, wherein the power mechanism is a rocking wheel (23), the rocking wheel (23) comprises an installation support (231), a connection support (232), a rotary screw rod (233) and a rotary hand wheel (234), the installation support (231) is fixedly arranged on the workbench (72), the connection support (232) is fixedly arranged on the movable positioning frame (21), the rotary screw rod (233) is radially arranged along the steel pipe ring monomer, one end of the rotary screw rod located on the radial inner side is fixedly connected with the connection support (232), and one end of the rotary screw rod located on the radial outer side penetrates through the installation support (231) and then is fixedly connected with the rotary hand wheel (234).
7. The integral ring assembling tool for the segmented steel pipe ring according to any one of claims 4 to 6, wherein a detachable transition connecting frame (8) is arranged between any two adjacent bottom platforms (1), and the transition connecting frame (8) is used for realizing that all the bottom platforms are arranged into a regular circle, namely, the outline (6) on each bottom platform forms a 360-degree full circle.
8. The integral ring assembling tool for the segmented steel pipe ring according to claim 7, wherein a connecting rod (9) is arranged between any two adjacent bottom platforms (1), and all the bottom platforms are fixedly connected through the connecting rod (9).
9. The integral ring assembling tool for the segmented steel pipe ring according to claim 8, wherein an anti-collision beam (10) is arranged between any two adjacent bottom platforms (1), and the minimum diameter of a circle formed by a plurality of anti-collision beams (10) is larger than the outer diameter of a steel pipe ring body and smaller than the minimum inner diameter of a circle formed by a plurality of movable positioning frames (21) when a positioning bolt (25) is matched with a positioning seat (24) located on the radial outer side.
10. The ring assembling method by adopting the integral ring assembling tool for the segmented steel pipe ring as claimed in claim 9 is characterized by comprising the following steps of:
1) assembling a tool: the bottom platforms (1) are arranged in a circumferential direction, transition connecting frames (8) are arranged between the adjacent bottom platforms (1) to enable all the bottom platforms to be arranged orderly, connecting rods (9) are arranged between the adjacent bottom platforms (1), all the bottom platforms (1) are fixedly connected into a whole through the connecting rods (9), frame bodies (7), lower connecting plate positioning pins (4) and lower pin shaft plate positioning pins (5) are respectively arranged at corresponding positions of the bottom platforms (1), upper connecting plate positioning devices (2) are arranged on the frame bodies (7), the transition connecting frames (8) are removed, and anti-collision beams (10) are arranged between the adjacent bottom platforms (1);
2) the first time of ring assembly: the method comprises the steps that a movable positioning frame (21) is moved towards the radial outer side through a power mechanism, when a through hole in the movable positioning frame (21) moves to a position right above a positioning seat (24) located at the radial outer side, a positioning bolt (25) penetrates through the through hole and is inserted into the positioning seat to fix the movable positioning frame (21), at the moment, an upper connecting plate positioning device (2) is locked and is in a non-working state, a lower connecting plate and a lower pin shaft plate are placed on a bottom platform (1) and are positioned through corresponding lower connecting plate positioning pins (4) and lower pin shaft plate positioning pins (5), a steel pipe ring monomer is hoisted to the bottom platform (1) and is aligned with an outline (6) on the bottom platform, and welding operation between the steel pipe ring monomer and the lower connecting plate and between the steel pipe ring monomer and the lower pin;
3) and (3) second ring grouping: arranging an upper connecting plate to be installed on the radial inner side of a movable positioning frame (21), taking out a positioning bolt (25), enabling the movable positioning frame (21) to move towards the radial inner side through a power mechanism, when a through hole in the movable positioning frame (21) moves to a position right above a positioning seat (24) located on the radial inner side, enabling the positioning bolt (25) to penetrate through the through hole and be inserted into the positioning seat to fix the movable positioning frame (21), locking an upper connecting plate positioning device (2) at the moment and being in a working state, and enabling the upper connecting plate to move to a pre-installation position on a steel pipe ring monomer under the action of the movable positioning frame (21) so as to complete welding operation between the steel pipe ring monomer and the upper connecting plate;
4) third subgroup loop: fixedly connecting one end of the radial outer side of the upper pin shaft plate positioning frame (31) with the installed upper connecting plate, wherein the position of an upper pin shaft plate positioning pin (33) positioned at one end of the radial inner side of the upper pin shaft plate positioning frame (31) is the pre-installation position of the upper pin shaft plate on the steel pipe ring monomer, and positioning the upper pin shaft plate through the upper pin shaft plate positioning pin (33) to complete the welding operation between the steel pipe ring monomer and the upper pin shaft plate;
5) and (3) finishing the operation: side connecting plates are respectively welded at the arc-direction two ends of each steel pipe ring monomer, so that hole positions on the two opposite side connecting plates between the adjacent steel pipe ring monomers are aligned, the upper pin shaft plate positioning device (3) is taken down, the movable positioning frame (21) is moved to the radial outer side, and each steel pipe ring monomer is lifted and moved away from the ring assembling tool;
6) and (5) repeating the steps 2) to 5), and realizing high-precision positioning assembly operation of the segmented steel pipe ring.
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| CN201911055747.6A CN110640380B (en) | 2019-10-31 | 2019-10-31 | Integral ring assembling tool and method for segmented steel pipe ring |
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| CN201911055747.6A CN110640380B (en) | 2019-10-31 | 2019-10-31 | Integral ring assembling tool and method for segmented steel pipe ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636473A (en) * | 2021-08-10 | 2021-11-12 | 中国铁建重工集团股份有限公司 | Barrel pin shaft plate positioning device and method |
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| CN113636473A (en) * | 2021-08-10 | 2021-11-12 | 中国铁建重工集团股份有限公司 | Barrel pin shaft plate positioning device and method |
| CN113636473B (en) * | 2021-08-10 | 2023-11-07 | 中国铁建重工集团股份有限公司 | Barrel pin shaft plate positioning device and method |
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