CN114809066A - Annular positioning device and positioning method for mounting foundation bolt of large-diameter steel column - Google Patents
Annular positioning device and positioning method for mounting foundation bolt of large-diameter steel column Download PDFInfo
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- CN114809066A CN114809066A CN202210395616.8A CN202210395616A CN114809066A CN 114809066 A CN114809066 A CN 114809066A CN 202210395616 A CN202210395616 A CN 202210395616A CN 114809066 A CN114809066 A CN 114809066A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 59
- 230000001681 protective effect Effects 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2463—Connections to foundations
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Foundations (AREA)
Abstract
The invention discloses an annular positioning device for installing foundation bolts of a large-diameter steel column, belonging to the field of building foundations; comprises a positioning ring and a plurality of supporting frames; a plurality of through holes for foundation bolts to pass through are formed in the positioning ring; the plurality of support frames are uniformly distributed around the axis of the positioning ring; the support frame comprises a cross rod and support rods fixedly connected to both ends of the cross rod; the positioning ring is supported by the cross rod, and the lower end of the supporting rod is fixedly connected with the ground, so that the supporting frame stands on the ground. A method for installing and positioning a foundation bolt comprises the steps of manufacturing a base; placing foundation bolts; positioning the foundation bolt; step four, binding the steel bars; pouring concrete; and step six, disassembling the positioning device. Reached and to have fixed rag bolt, leaded to rag bolt to send the problem of displacement or toppling over when reducing concrete placement, make rag bolt can be accurate fix the steel column.
Description
Technical Field
The invention relates to the field of building foundations, in particular to an annular positioning device and a positioning method for mounting foundation bolts of large-diameter steel columns.
Background
Steel columns are industrial products and are columns made of steel. The method is used for large and medium industrial plants, large-span public buildings, high-rise buildings and the like.
And the installation of steel column is fixed through burying the rag bolt in the ground underground in advance, rag bolt need enclose into circular structure at the in-process buried underground, and the circular structure size that a plurality of rag bolts constitute also has the requirement, but in fact, the rag bolt installation back, can carry out pouring of concrete, and the concrete is more viscous, so the concrete can cause the impact to rag bolt at the in-process that flows, lead to rag bolt to produce the displacement easily, influence the accuracy of rag bolt installation.
Disclosure of Invention
First aspect, the application provides a major diameter steel column rag bolt installation annular positioner adopts following technical scheme:
an annular positioning device for mounting a foundation bolt of a large-diameter steel column comprises a positioning ring and a plurality of supporting frames;
a plurality of through holes for the foundation bolts to pass through are formed in the positioning ring, and the through holes are uniformly distributed around the axis of the positioning ring;
the diameter of a circular structure formed by the centers of the through holes is the same as that formed by the embedded positions of the foundation bolts;
the plurality of support frames are uniformly distributed around the axis of the positioning ring; the support frame comprises a cross rod and support rods fixedly connected to both ends of the cross rod;
the positioning ring is supported by the cross rod, and the lower end of the supporting rod is fixedly connected with the ground, so that the supporting frame stands on the ground.
By adopting the technical scheme, the foundation bolts can penetrate through the through holes in the positioning ring, so that the positioning ring can be sleeved on all the foundation bolts together, a plurality of foundation bolts can form a complete circular structure, the annular structure formed by the foundation bolts can be conveniently matched with the steel column, and the positioning ring can reduce the probability of movement of the foundation bolts when concrete is poured, so that the foundation bolts can be aligned with the steel column better, and the steel column can be conveniently installed; the support frame can support the holding ring, makes the holding ring be located rag bolt's middle part position department, makes that the holding ring can be better carry on spacingly to rag bolt.
Optionally, an auxiliary ring is arranged above the positioning ring, the size of the auxiliary ring is the same as that of the positioning ring, and the axes of the auxiliary ring and the positioning ring are overlapped;
the auxiliary ring is provided with round holes, and the round holes and the through holes are arranged in a one-to-one correspondence mode.
Through adopting above-mentioned technical scheme, the auxiliary ring is located the top of holding ring, carries on spacingly to rag bolt jointly, carries on spacingly to rag bolt through two points, when reducing rag bolt and receiving concrete impact to produce the removal, can also reduce rag bolt and produce crooked probability to rag bolt's straightness that hangs down is better, can not produce the slope after making the steel column installation.
Optionally, the lower end of the foundation bolt is further provided with a base, the base comprises a bottom plate and a plurality of rib plates, the lower end of the foundation bolt is fixedly connected to the bottom plate, the rib plates are fixed to the bottom plate, meanwhile, the rib plates are also fixed to the foundation bolt, and the plurality of rib plates are uniformly distributed around the foundation bolt.
Through adopting above-mentioned technical scheme, the base can increase the area of contact between rag bolt and the ground to rag bolt can be better stand subaerial in a queue.
Optionally, the foundation bolt is further provided with a thread protection assembly, and the thread comprises an assembly including a sleeve and a protection cloth connected with the sleeve;
the sleeve is in threaded fit with the foundation bolt, the sleeve is attached to the upper surface of the positioning ring, and the protective cloth is wound on the part, located above the positioning ring, of the foundation bolt;
one end of the protective cloth is connected with the sleeve, the other end of the protective cloth is fixedly connected with a fixing sleeve, and the fixing sleeve is sleeved at the upper end of the foundation bolt.
Through adopting above-mentioned technical scheme, the protection cloth can be protected rag bolt's screw thread, reduce the damage that the in-process of concreting caused the screw thread, and the protection cloth passes through sheathed tube rotation winding on rag bolt, can make the better winding of protection cloth on rag bolt, and the other one end of protection cloth is fixed the upper end at rag bolt by fixed cover, need not fix the both ends of protection cloth, can improve the efficiency of work, can also reduce the loose probability of protection cloth.
Optionally, the protective cloth is rolled on the sleeve.
Through adopting above-mentioned technical scheme, the protection cloth winding is on the reel, makes things convenient for the use of screw thread protection subassembly more, and can make the protection cloth rotate along with the sleeve pipe, makes things convenient for the protection cloth winding on rag bolt more.
Optionally, a winding drum is further sleeved on the sleeve, a circle of convex edge is integrally formed on the outer wall of the sleeve, the upper end of the winding drum is abutted to the lower surface of the convex edge, a fixing ring is connected to the lower end of the winding drum through threads, and the fixing ring is abutted to the lower end of the winding drum.
Through adopting above-mentioned technical scheme, protection cloth is from the rolling section of thick bamboo expansion back, and the protection cloth still can be sputtered a lot of concrete on the surface, so protection cloth can not used repeatedly at once, so through the rolling section of thick bamboo that can dismantle, the protection cloth of being convenient for renew, the quick reuse of the protection subassembly of being convenient for.
Optionally, the upper end of the sleeve is fixedly connected with an insert plate, and the lower end of the fixed sleeve is provided with a slot into which the insert plate can be inserted;
one end of the inserting plate, which is far away from the sleeve, is fixedly connected with an elastic bulge, and an accommodating groove into which the elastic bulge can be clamped is formed in the inserting groove;
the inside of fixed cover also has the screw thread, and fixed cover threaded connection is in the upper end of lower margin.
Through adopting above-mentioned technical scheme, sleeve pipe and fixed cover link together, can make both use together, if fixed cover and sleeve pipe are independent each other, agree to lead to fixed cover pulling protection cloth to expand in advance, influence the use of protection cloth.
In a second aspect, the present application provides a method for installing and positioning an anchor bolt, which adopts the following technical scheme:
a foundation bolt mounting and positioning method belongs to implementation of an annular positioning device for mounting foundation bolts of large-diameter steel columns, and comprises the following steps:
the method comprises the following steps: manufacturing a base; firstly, welding a fixed plate and a rib plate at the lower end of a foundation bolt to complete the manufacture of a base;
step two: placing foundation bolts; surrounding foundation bolts with bases to form an annular shape, wherein the foundation bolts are uniformly distributed;
step three: positioning the foundation bolts; the foundation bolt is annularly positioned through the positioning ring and the auxiliary ring, and the thread of the foundation bolt is protected by the thread protection assembly;
step four: binding steel bars; binding double-layer double-row steel bars, wherein the base is positioned between the double-layer steel bars;
step five: pouring concrete; until the positioning ring is submerged by the concrete;
step six: disassembling the positioning device; and (5) firstly, curing the concrete, and after the concrete is solidified, disassembling the auxiliary ring and the center frame.
Through adopting above-mentioned technical scheme, the base can make stable the placing subaerial of rag bolt, then carry on spacingly to rag bolt through holding ring and supplementary ring, makes the shape that a plurality of rag bolts constitute can not produce and warp, and the screw thread protection subassembly can protect rag bolt's screw thread to make rag bolt can keep the vertically state pre-buried in the concrete, reduce the probability that concrete placement leads to rag bolt to produce displacement or slope, thereby make things convenient for the installation of steel column.
Optionally, in the third step, before the positioning ring is installed, the supporting frames are installed, and the supporting frames are uniformly distributed around the axis of the positioning ring;
when the supporting frame is installed, two supporting rods belonging to the same supporting frame are symmetrically installed on the inner side and the outer side of the positioning ring, then the cross rod is installed, and finally the positioning ring is prevented from being arranged on the cross rod, so that the installation of the positioning ring is completed;
the center frame is installed, the center of the center frame is overlapped with the axis of the positioning ring, the end part of the center frame is overlapped on the upper surface of the positioning ring, the auxiliary ring is positioned right above the positioning ring, and the auxiliary ring is attached to the upper surface of the center frame.
Through adopting above-mentioned technical scheme, the support frame can support the holding ring, makes the holding ring can be located rag bolt's middle part position department, is convenient for carry on spacingly to rag bolt, and the centre frame is convenient to the support of auxiliary ring, makes auxiliary ring can not laminate together with the holding ring, and the centre of a circle coincidence that the center of the centre frame and rag bolt constitute simultaneously is also convenient for fix a position holding ring, auxiliary ring, reduces the problem that holding ring, auxiliary ring produced the skew.
Optionally, in step three, the locating ring is installed, and before the auxiliary ring is installed, the protective cloth needs to be wound on the foundation bolt firstly, so that the thread of the foundation bolt is protected:
the protective sleeve and the fixed sleeve are sleeved on the foundation bolt together, the sleeve and the protective sleeve are rotated, the sleeve moves downwards, the protective cloth is wound on the sleeve, the end part of the protective cloth is fixedly connected with the fixed sleeve, the fixed sleeve is fixed, and the protective cloth is wound on the foundation bolt along with the rotation of the sleeve.
Through adopting above-mentioned technical scheme, conveniently control protection cloth winding on the screw thread, and still need not fix the both ends of protection cloth respectively, can improve the efficiency of construction to screw thread protection work, can also improve the effect of protection.
In view of the above, it is desirable to provide,
1. the positioning ring is positioned in the middle of the foundation bolt, the positioning ring limits the shape formed by the foundation bolts, so that the shape of the positioning ring can be kept, the auxiliary ring is positioned right above the positioning ring and also limits the foundation bolts, and therefore the auxiliary ring is matched with the positioning ring, so that the foundation bolts can be embedded in concrete in a vertical state, the probability that the foundation bolts are inclined due to concrete impact is reduced, and the steel column can be conveniently installed;
2. a sleeve in the thread protection assembly is in thread fit with the foundation bolt, the protection cloth is wound on the sleeve, the other end of the protection cloth is connected with a fixing sleeve, the fixing sleeve is in thread connection above the foundation bolt, and the protection cloth can be wound on the foundation bolt by the rotation of the sleeve so as to protect the threads of the foundation bolt by the protection cloth;
3. step one, manufacturing a base; placing foundation bolts; positioning the foundation bolt; step four, binding the steel bars; pouring concrete; step six, maintaining the concrete and disassembling the auxiliary ring; the precise installation of the foundation bolts is completed, and the steel column is convenient to fixedly install.
Drawings
Fig. 1 is a schematic view of the overall structure of the positioning device in the embodiment.
Fig. 2 is a positional relationship diagram of the positioning ring and the auxiliary ring in the embodiment.
FIG. 3 is a schematic view of a highlighted anchor bolt in the embodiment.
FIG. 4 is a sectional view showing the structure of the highlighting sleeve in the embodiment.
Fig. 5 is an enlarged view of a portion a in fig. 2.
Description of reference numerals:
1. a positioning ring; 11. a through hole; 2. an auxiliary ring; 21. a circular hole; 22. a yielding groove; 3. anchor bolts; 31. a fixing plate; 32. a rib plate; 4. a support frame; 41. a cross bar; 42. a support bar; 43. a center frame; 5. a thread protection assembly; 51. a sleeve; 511. a rib; 512. a fixing ring; 513. a slot; 514. accommodating grooves; 52. fixing a sleeve; 521. a transverse plate; 522. an arc-shaped plate; 523. a plugboard; 524. an elastic bulge; 53. winding the roll; 54. a guide plate; 541. a strip hole; 6. and (4) protective cloth.
Detailed Description
Example one
The embodiment specifically discloses an annular positioning device for mounting a foundation bolt of a large-diameter steel column, and the annular positioning device comprises a positioning ring 1 and an auxiliary ring 2 which are arranged in parallel up and down, wherein the positioning ring 1 is arranged on the upper portion of the positioning ring; the cooperation of holding ring 1 and supplementary ring 2 is spacing to a plurality of rag bolt 3, makes rag bolt 3 constitute annular structure, fixes a position through two points of holding ring 1 and supplementary ring 2, can make the better perpendicular state that keeps of rag bolt 3, reduces among the concreting, strikes the problem that leads to rag bolt 3 to produce the slope easily to rag bolt 3, makes rag bolt 3 vertically bury underground in the concrete, makes things convenient for the fixed mounting of steel column.
Referring to fig. 1 and 2, a through hole 11 is formed in the positioning ring 1, a circular hole 21 is formed in the auxiliary ring 2, and the through holes 11 and the circular holes 21 are arranged in a one-to-one correspondence manner; through-hole 11 and round hole 21 supply passing of rag bolt 3 to make holding ring 1, supplementary ring 2 cover establish on rag bolt 3, be convenient for holding ring 1 and supplementary ring 2 carry on spacingly to rag bolt 3.
Referring to fig. 1, a plurality of support frames 4 are arranged below the positioning ring 1, the support frames 4 surround the axis of the positioning ring 1, and the support frames 4 are used for supporting the positioning ring 1, so that the positioning ring 1 can be located in the middle of the foundation bolt 3, and the positioning ring 1 can conveniently limit the foundation bolt 3.
Referring to fig. 1, the supporting frame 4 includes a cross bar 41 and supporting rods 42 respectively fixedly connected to two ends of the cross bar 41, and a length direction of the cross bar 41 is the same as a radius direction of the positioning ring 1; the lower surface laminating of horizontal pole 41 and holding ring 1, bracing piece 42 supports horizontal pole 41 to make horizontal pole 41 can support holding ring 1.
Referring to fig. 1, a center frame 43 is further arranged between the positioning ring 1 and the auxiliary ring 2, the center frame 43 is formed by welding four i-shaped steels together, and the four i-shaped steels are in a cross structure; the tip overlap joint of centre frame 43 is at the upper surface of holding ring 1, and supplementary ring 2 is located the upper surface of centre frame 43 to make centre frame 43 can support supplementary ring 2, make supplementary ring 2 can not be in the same place with holding ring 1 laminating, be convenient for supplementary ring 2 and holding ring 1 carry on spacingly at the height of difference to rag bolt 3.
Referring to fig. 3, the lower end of the anchor bolt 3 is fixedly connected with a fixing plate 31, the anchor bolt 3 is perpendicular to the surface of the fixing plate 31, a plurality of rib plates 32 are also fixedly connected to the fixing plate 31, the rib plates 32 are also fixedly connected to the side wall of the anchor bolt 3 at the same time, the plurality of rib plates 32 surround the axis of the anchor bolt 3 and are distributed, the fixing plate 31 and the plurality of rib plates 32 form a base, the base can enable the anchor bolt 3 to stand on the ground, so that the anchor bolt 3 can be placed initially, and the probability that the anchor bolt 3 topples over before the positioning ring 1 and the auxiliary ring 2 are used for limiting is reduced.
Referring to fig. 3 and 4, the foundation bolt 3 is further provided with a thread protection assembly 5, the thread protection assembly 5 comprises a sleeve 51 and a fixing sleeve 52, the sleeve 51 is wound with a protection cloth 6, the sleeve 51 is in thread fit with the foundation bolt 3, and the fixing sleeve 52 is in thread connection with the upper end of the foundation bolt 3; the expansion end fixed connection of protection cloth 6 is on fixed cover 52, sleeve pipe 51 rotates on rag bolt 3 and descends until the in-process of laminating on holding ring 1, protection cloth 6 expandes, and along with sleeve pipe 51's rotation winding is on rag bolt 3, thereby accomplish the winding of protection cloth 6, protection cloth 6 covers the protection with the screw thread that rag bolt 3 is located the part above holding ring 1, can avoid the in-process of concreting, mix clay and build on rag bolt 3, avoid causing the jam to the screw thread, after having pour the concrete, dismantle protection cloth down, just can directly use, need not clear up rag bolt 3's screw thread, and the work efficiency is improved, the probability that the screw thread that can also reduce rag bolt 3 received the damage.
Referring to fig. 3 and 4, the sleeve 51 is further provided with a winding drum 53, the winding drum 53 is used for winding the protective cloth 6, a circle of convex ribs 511 is fixedly connected to the sleeve 51, the winding drum 53 is sleeved on the sleeve 51, the upper end of the winding cylinder 53 is abutted against the rib 511, the lower end of the sleeve 51 is connected with a fixing ring 512 in a threaded manner, the fixing ring 512 is attached to the lower end of the winding cylinder 53, the fixing ring 512 can clamp and fix the winding cylinder 53 in cooperation with the rib 511, thereby the winding drum 53 can be detachably arranged on the sleeve 51, the winding drum 53 can be conveniently replaced, because the surface of the protective cloth 6 can be adhered with concrete after the use is finished, therefore, the protective cloth 6 cannot be directly used and needs to be cleaned or used for one time, but the sleeve 51 and the fixing sleeve 52 can be reused, so that the winding cylinder 53 can be detached, the protective cloth 6 is convenient to replace, and the sleeve 51 and the fixing sleeve 52 can be reused conveniently.
Referring to fig. 4, the sleeve 51 is further provided with a guide plate 54, the guide plate 54 is provided with a strip hole 541 which is the same as the guide plate 54 in length direction, the end of the protective cloth 6 penetrates through the guide plate 54 and is fixedly connected with the fixing sleeve 52, the guide plate 54 can guide the extension of the protective cloth 6, so that the protective cloth 6 is smoothly wound on the anchor bolt 3 when being wound on the anchor bolt 3 along with the rotation of the sleeve 51, wrinkles are reduced, and the protective cloth 6 can better protect the anchor bolt 3.
Referring to fig. 5, the fixed sleeve 52 is symmetrically cut off to form a narrow strip shape, the fixed sleeve 52 is formed into a door shape formed by two vertical arc plates 522 of a transverse plate 521, and the inner wall of the circular hole 21 is provided with two symmetrical abdicating grooves 22, the abdicating grooves 22 can be penetrated by the two arc plates 522 on the fixed sleeve 52, so that the auxiliary ring 2 can be sleeved on the anchor bolt 3 and limit the anchor bolt 3.
Referring to fig. 4, the lower ends of the arc-shaped plates 522 are fixedly connected with the inserting plate 523, the lower end of the inserting plate 523 is integrally formed with an elastic protrusion 524, the upper end of the sleeve 51 is provided with an annular inserting groove 513, the axis of the inserting groove 513 is coincident with the axis of the sleeve 51, the bottom of the inserting groove 513 is further provided with an accommodating groove 514, and the elastic protrusion 524 can be clamped into the accommodating groove 514; the fixing sleeve 52 and the sleeve 51 are connected together, and the insertion groove 513 is annular, so that when the fixing sleeve 52 is screwed on the anchor bolt 3, the rotation of the sleeve 51 is not affected, and the sleeve 51 can continue to rotate. The cooperation of the elastic protrusion 524 and the receiving groove 514 prevents the fixing sleeve 52 and the sleeve 51 from being easily separated after being inserted together, but does not affect the separation of the sleeve 51 from the fixing sleeve 52.
The specific use process of this embodiment is as follows: surrounding the foundation bolts 3 to form an annular structure, wherein the diameter of the annular structure formed by the foundation bolts 3 is the same as that of the installation position on the steel column; then, the supporting frame 4 is installed, the positioning ring 1 is installed in a sleeved mode, the foundation bolt 3 penetrates through a through hole 11 in the positioning ring 1, the positioning ring 1 limits the foundation bolt 3, the shape formed by the foundation bolt 3 cannot be deformed, then the thread protection assembly 5 is installed, the protective cloth 6 wraps the threads of the foundation bolt 3, which are located on the upper portion of the positioning ring 1, and therefore the situation that concrete is built to the thread position in the concrete pouring process is avoided, and the follow-up use of the foundation bolt 3 cannot be affected; install centre frame 43 again, install at last supplementary ring 2 can, supplementary ring 2 cooperation holding ring 1 can fix a position and spacing rag bolt 3, and at the in-process of concreting, rag bolt 3 can not produce the slope because of the impact that the concrete flows.
Example two
A method for installing and positioning an anchor bolt 3 comprises the following steps:
the method comprises the following steps: manufacturing a base; the fixing plate 31 is welded to the lower end of the anchor bolt 3, and then the rib plates 32 are welded to the fixing plate 31 and the anchor bolt 3 at the same time, and the rib plates 32 are uniformly distributed around the anchor bolt 3, thereby completing the manufacture of the base.
Step two: placing foundation bolts 3; and placing a structure formed by surrounding a plurality of foundation bolts 3 into a circular structure, wherein the diameter of the circular structure formed by the foundation bolts 3 is the same as that of the annular structure formed by the mounting positions on the steel column.
Step three: positioning the foundation bolts 3; installing a positioning device on the foundation bolt 3 to position the foundation bolt 3;
the use of the positioning device comprises the following steps:
uniformly placing a plurality of support frames 4 around the axis of an annular structure formed by foundation bolts 3;
secondly, placing the positioning ring 1 on the support frame 4, and welding the positioning ring 1 and the support frame 4 together;
protecting the screw thread of the foundation bolt 3 by using a screw thread protection component 5;
fourthly, hoisting the center frame 43, enabling the center of the center frame 43 to coincide with the circle center of the positioning ring 1, and enabling the end part of the center frame 43 to be lapped on the positioning ring 1;
finally, the auxiliary positioning ring 1 is installed on the foundation bolt 3, and the auxiliary positioning ring 1 is lapped on the center frame 43;
step four: binding steel bars; binding double rows of double-layer steel bars, enabling the base of the foundation bolt 3 to be located between the double-layer steel bars, and further fixing the foundation bolt 3;
step five: pouring concrete; pouring the stirred concrete until the positioning ring 1 is submerged by the concrete;
step six: disassembling the positioning device; the concrete is cured, and after the concrete is cured, the auxiliary ring 2, the center frame 43 and the thread protection assembly 5 are disassembled.
Through above steps, can accomplish the location installation to rag bolt 3, make rag bolt 3 can enclose the shape that the city needs, and can fix a position rag bolt 3 through positioner, make the circular structure in rag bolt 3 encloses the city can not produce the change, and through holding ring 1, assist ring 2 limits rag bolt 3 two points, can prescribe a limit to the straightness that hangs down of rag bolt 3, the in-process of concreting, concrete flow can strike rag bolt 3, positioner can reduce the probability that rag bolt 3 produced to remove and incline, ensure that rag bolt 3 can stable installation, the fixed mounting of the steel column of being convenient for.
The thread protection assembly 5 is used in the following process: firstly, sleeving the fixed sleeve 52 and the sleeve 51 which are connected together on the upper end of the foundation bolt 3; secondly, rotating the fixing sleeve 52 and the sleeve 51, after the fixing sleeve 52 is in threaded connection with the upper end of the foundation bolt 3, continuing to rotate the sleeve 51, separating the sleeve 51 from the fixing sleeve 52, and enabling the sleeve 51 to rotate and move downwards; the protective cloth 6 wound on the sleeve 51 is unfolded along with the rotation of the sleeve 51 and wound on the foundation bolt 3 along with the rotation of the sleeve 51, so as to cover the thread of the foundation bolt 3; rotating the sleeve 51 until the sleeve is close to the positioning ring 1; fifthly, after the concrete curing is finished, firstly rotating the fixing sleeve 52, disassembling the fixing sleeve 52 and then disassembling the protective cloth 6; sixthly, the sleeve 51 is rotated and taken down; seventhly, when the thread protection component 5 needs to be reused, the fixing ring 512 is taken down, the winding drum 53 is detached, and a new winding drum 53 wound with the protection cloth 6 is replaced; the end part of the protective cloth 6 is led out to pass through the long hole 541 on the guide plate 54 and fixedly connected with the fixed sleeve 52.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an annular positioner of major diameter steel column rag bolt installation which characterized in that: comprises a positioning ring (1) and a plurality of supporting frames (4);
a plurality of through holes (11) for allowing foundation bolts (3) to pass through are formed in the positioning ring (1), and the through holes (11) are uniformly distributed around the axis of the positioning ring (1);
the diameter of a circular structure formed by the centers of the through holes (11) is the same as that formed by the pre-embedded positions of the foundation bolts (3);
the plurality of supporting frames (4) are uniformly distributed around the axis of the positioning ring (1); the support frame (4) comprises a cross rod (41) and support rods (42) fixedly connected to both ends of the cross rod (41);
the cross rod (41) supports the positioning ring (1), and the lower end of the supporting rod (42) is fixedly connected with the ground, so that the supporting frame (4) stands on the ground.
2. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 1, wherein: an auxiliary ring (2) is arranged above the positioning ring (1), the size of the auxiliary ring (2) is the same as that of the positioning ring (1), and the axes of the auxiliary ring (2) and the positioning ring (1) are overlapped;
the auxiliary ring (2) is provided with round holes (21), and the round holes (21) and the through holes (11) are arranged in a one-to-one correspondence manner.
3. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 2, wherein: the lower extreme of rag bolt (3) still is equipped with the base, and the base includes bottom plate and a plurality of floor (32), and on the lower extreme fixed connection bottom plate of rag bolt (3), floor (32) were fixed on the bottom plate while floor (32) also fixed on rag bolt (3), and a plurality of floor (32) are around rag bolt (3) evenly distributed.
4. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 1, wherein: the foundation bolt (3) is also provided with a thread protection assembly (5), and the thread protection assembly comprises a sleeve (51) and a protection cloth (6) connected with the sleeve (51);
the sleeve (51) is in threaded fit with the foundation bolt (3), the sleeve (51) is attached to the upper surface of the positioning ring (1), and the protective cloth (6) is wound on the part, located above the positioning ring (1), of the foundation bolt (3);
one end of the protective cloth (6) is connected with the sleeve (51), the other end of the protective cloth (6) is fixedly connected with a fixing sleeve (52), and the fixing sleeve (52) is sleeved at the upper end of the foundation bolt (3).
5. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 4, wherein: the protective cloth (6) is wound on the sleeve (51).
6. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 5, wherein: the sleeve is characterized in that a winding drum (53) is further sleeved on the sleeve (51), a circle of convex ribs (511) are integrally formed on the outer wall of the sleeve (51), the upper end of the winding drum (53) is abutted to the lower surface of the convex ribs (511), a fixing ring (512) which is connected with the sleeve (51) through threads is arranged at the lower end of the winding drum (53), and the fixing ring (512) is abutted to the lower end of the winding drum (53).
7. The annular positioning device for installing the foundation bolts of the large-diameter steel column according to claim 6, wherein: the upper end of the sleeve (51) is fixedly connected with an inserting plate, and the lower end of the fixed sleeve (52) is provided with a slot (513) into which the inserting plate can be inserted;
an elastic bulge (524) is fixedly connected to one end of the inserting plate, which is far away from the sleeve (51), and an accommodating groove (514) into which the elastic bulge (524) can be clamped is formed in the inserting groove (513);
the inside of the fixing sleeve (52) is also provided with threads, and the fixing sleeve (52) is in threaded connection with the upper end of the ground foot.
8. A method for installing and positioning a foundation bolt (3) is characterized by comprising the following steps: implemented on the basis of the annular positioning device for installing the large-diameter steel column anchor bolts according to any one of claims 1 to 7, the method for installing and positioning the anchor bolts (3) comprises the following steps:
the method comprises the following steps: manufacturing a base; firstly, welding a fixing plate (31) and a rib plate (32) at the lower end of an anchor bolt (3) to complete the manufacture of a base;
step two: placing foundation bolts (3); surrounding foundation bolts (3) with bases to form an annular shape, wherein the foundation bolts (3) are uniformly distributed;
step three: positioning the foundation bolts (3); the anchor bolt (3) is annularly positioned through the positioning ring (1) and the auxiliary ring (2), and the thread of the anchor bolt (3) is protected by the thread protection component (5);
step four: binding steel bars; binding double-layer double-row steel bars, wherein the base is positioned between the double-layer steel bars;
step five: pouring concrete; until the positioning ring (1) is submerged by the concrete;
step six: disassembling the positioning device; the concrete is firstly cured, and after the concrete is solidified, the auxiliary ring (2) and the center frame (43) are disassembled.
9. An installation and positioning method of an anchor bolt (3) according to claim 8, characterized in that: in the third step, before the positioning ring (1) is installed, the supporting frames (4) are installed, and the supporting frames (4) are uniformly distributed around the axis of the positioning ring (1);
when the supporting frame (4) is installed, two supporting rods (42) belonging to the same supporting frame (4) are symmetrically installed on the inner side and the outer side of the positioning ring (1), then the cross rod (41) is installed, and finally the positioning ring (1) is prevented from being installed on the cross rod (41), so that the positioning ring (1) is installed;
the center frame (43) is installed, the center of the center frame (43) is overlapped with the axis of the positioning ring (1), the end part of the center frame (43) is overlapped on the upper surface of the positioning ring (1), the auxiliary ring (2) is positioned right above the positioning ring (1), and the auxiliary ring (2) is attached to the upper surface of the center frame (43).
10. An installation and positioning method of an anchor bolt (3) according to claim 1, characterized in that: in the third step, positioning ring (1) is installed, and before auxiliary ring (2) is installed, protective cloth (6) needs to be wound on foundation bolt (3) to protect the threads of foundation bolt (3):
the protective sleeve and the fixed sleeve (52) are sleeved on the foundation bolt (3) together, the sleeve (51) and the protective sleeve are rotated, the sleeve (51) moves downwards, the protective cloth (6) is wound on the sleeve (51), the end part of the protective cloth (6) is fixedly connected with the fixed sleeve (52), the fixed sleeve (52) is fixed, and then the protective cloth (6) is wound on the foundation bolt (3) along with the rotation of the sleeve (51).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210395616.8A CN114809066B (en) | 2022-04-15 | 2022-04-15 | Annular positioning device and positioning method for large-diameter steel column foundation bolt installation |
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| CN202210395616.8A CN114809066B (en) | 2022-04-15 | 2022-04-15 | Annular positioning device and positioning method for large-diameter steel column foundation bolt installation |
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| CN114809066B CN114809066B (en) | 2023-06-06 |
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| CN202210395616.8A Active CN114809066B (en) | 2022-04-15 | 2022-04-15 | Annular positioning device and positioning method for large-diameter steel column foundation bolt installation |
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|---|---|---|---|---|
| JPH05332334A (en) * | 1992-06-03 | 1993-12-14 | Mutsuo Goto | Anchor bolt protector |
| JP2000002226A (en) * | 1998-04-15 | 2000-01-07 | Yonehiro Ozaki | Protector for foundation bolt |
| CN109853610A (en) * | 2019-01-30 | 2019-06-07 | 山西三建集团有限公司 | Steel pipe column concrete foundation pre-embedded anchoring bolts precise positioning mechanism and localization method |
| CN110145129A (en) * | 2019-04-10 | 2019-08-20 | 五冶集团上海有限公司 | A kind of foundation bolt screw thread protective case in concrete |
| CN110656657A (en) * | 2019-11-01 | 2020-01-07 | 中化二建集团有限公司 | Compressor foundation bolt installation method |
| CN113153889A (en) * | 2021-01-26 | 2021-07-23 | 中国化学工程第三建设有限公司 | Protection device and method for pre-buried foundation bolt |
| CN113293859A (en) * | 2021-04-21 | 2021-08-24 | 中国化学工程第三建设有限公司 | Recyclable foundation bolt group pre-embedding positioning device and method |
| CN214195621U (en) * | 2021-01-04 | 2021-09-14 | 中国十七冶集团有限公司 | Simple positioning device for foundation bolts of circular steel column |
| CN113653199A (en) * | 2021-08-30 | 2021-11-16 | 中冶建工集团有限公司 | Construction method for embedding stiffening anchor plate foundation bolt |
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2022
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05332334A (en) * | 1992-06-03 | 1993-12-14 | Mutsuo Goto | Anchor bolt protector |
| JP2000002226A (en) * | 1998-04-15 | 2000-01-07 | Yonehiro Ozaki | Protector for foundation bolt |
| CN109853610A (en) * | 2019-01-30 | 2019-06-07 | 山西三建集团有限公司 | Steel pipe column concrete foundation pre-embedded anchoring bolts precise positioning mechanism and localization method |
| CN110145129A (en) * | 2019-04-10 | 2019-08-20 | 五冶集团上海有限公司 | A kind of foundation bolt screw thread protective case in concrete |
| CN110656657A (en) * | 2019-11-01 | 2020-01-07 | 中化二建集团有限公司 | Compressor foundation bolt installation method |
| CN214195621U (en) * | 2021-01-04 | 2021-09-14 | 中国十七冶集团有限公司 | Simple positioning device for foundation bolts of circular steel column |
| CN113153889A (en) * | 2021-01-26 | 2021-07-23 | 中国化学工程第三建设有限公司 | Protection device and method for pre-buried foundation bolt |
| CN113293859A (en) * | 2021-04-21 | 2021-08-24 | 中国化学工程第三建设有限公司 | Recyclable foundation bolt group pre-embedding positioning device and method |
| CN113653199A (en) * | 2021-08-30 | 2021-11-16 | 中冶建工集团有限公司 | Construction method for embedding stiffening anchor plate foundation bolt |
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| Publication number | Publication date |
|---|---|
| CN114809066B (en) | 2023-06-06 |
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