CN107574819A - A kind of high intensity major diameter prestressing force sill anchor and its making construction method - Google Patents
A kind of high intensity major diameter prestressing force sill anchor and its making construction method Download PDFInfo
- Publication number
- CN107574819A CN107574819A CN201710610580.XA CN201710610580A CN107574819A CN 107574819 A CN107574819 A CN 107574819A CN 201710610580 A CN201710610580 A CN 201710610580A CN 107574819 A CN107574819 A CN 107574819A
- Authority
- CN
- China
- Prior art keywords
- anchor
- anchor pole
- jumping
- section
- high intensity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The present invention discloses a kind of high intensity major diameter prestressing force sill anchor and its makes construction method, with anchor pole, the bottom forging and stamping of the anchor pole have the lower jumping-up section of radial dimension thickening, the pre-buried anchor slab in lower jumping-up Duan Weiyu bases makees the jumping-up construction section of perpendicularity installation, and being rolled on the jumping-up construction section has the screw thread being fastenedly connected with the pre-buried anchor slab in basis；The length of the lower jumping-up section is 270 300mm, and the size of radial direction thickening is 10 15mm；Pad and double nut are arranged with lower jumping-up section；The anchor pole is made using 35CrMo structural alloy steels, and anchor pole is provided with anchor pole elevation line.Making construction method includes corresponding making and construction procedure.High intensity major diameter prestressing force sill anchor of the present invention can solve the problems, such as high intensity major diameter prestressing force sill anchor common quality defect present in routinely making, and have great economic benefit.Can be as the making and popularization and reference of the high intensity major diameter prestressing force sill anchor such as high level, Super High Heavy Type Steel Structure, water conservancy gate.
Description
It is on 07 29th, 2015 to Application No. " 201510453841.2 ", the applying date that the application, which is, application is entitled
The divisional application that " a kind of novel feet crab-bolt and its moulding process " proposes.
Technical field
The invention belongs to Architectural Equipment field, is related to a kind of sill anchor shaping making and construction field, more particularly to high
Layer, Super High, Heavy Type Steel Structure building, the high intensity major diameter prestressing force sill anchor on large-scale water conservancy gate basis and its making
Construction method.
Background technology
In recent years, steel building (especially high level, Super High Heavy Type Steel Structure building, large-scale water conservancy gate basis etc.
It is more and more, and increasingly develop towards large span, Super High labyrinth direction, in high-rise, Super High Heavy Type Steel Structure
Building, in large-scale water conservancy gate foundation structure), increasingly towards the new and original direction of high intensity major diameter prestressing force in design
Development, therefore bring the making difficulty of construction of steel construction high intensity major diameter prestressed ground foot bolt increasing, make precision
It is more and more inaccurate, construction cost more and more higher is made, it is increasingly longer to make construction period.Existing high intensity major diameter in advance should
Power foundation bolt makes construction method step：Blanking, sawing, tapping, following some problems be present：1st, specification is examined
It is less than normal to test screw thread physical dimension, hardness, plasticity, physics, chemical property do not reach requirement or less than the requirements of related specifications standard；
2nd, because not carrying out local heating during tapping, end thread physical dimension is less than normal, and process time is long, and labor intensity is high, and efficiency is low,
It is higher etc. to make construction cost.
When sill anchor is applied at present, sill anchor need to carry out plug welding seam welding, workshop manufacture craft when being assembled with anchor slab
It is complicated, production process is more, can produce thermal stress irregular deformation during erection welding, the perpendicularity of foundation bolt bar and anchor slab can not
Guarantee also needs to carry out flame straightening, and pre-buried site operation lower margin is loose mail fabrication and installation, and labor intensity is big, low production efficiency, throwing
Enter cost height and the horizontal plane degree and geometric accuracy of foundation bolt bar can't be ensured.
In view of existing high intensity major diameter prestressed ground foot bolt is making common quality defect and system present in construction above
Make the higher problem of construction cost and difficulty, it is necessary to propose a kind of simple and easy high intensity major diameter prestressing force sill anchor and
It makes construction method.
The content of the invention
It is an object of the invention to provide a kind of high intensity major diameter prestressing force sill anchor and its construction method is made, into
Type technique is simple, and the sill anchor precision that is molded is high, crab-bolt quality is good, easy for construction, economical rationality, safe and reliable, brings
Recruitment cost is few, labor intensity is low, high efficient construction, there is great economic benefit.
In order to reach above-mentioned purpose, solution of the invention is：
A kind of high intensity major diameter prestressing force sill anchor, has anchor pole, and the bottom forging and stamping of the anchor pole have radial dimension
The lower jumping-up section of thickening, the pre-buried anchor slab in lower jumping-up Duan Weiyu bases make the jumping-up construction section of perpendicularity installation, jumping-up installation
Rolling has the screw thread being fastenedly connected with the pre-buried anchor slab in basis in section；The length of the lower jumping-up section is 270-300mm, radial direction thickening
Size be 10-15mm；Pad and double nut are arranged with lower jumping-up section；The anchor pole is made using 35CrMo structural alloy steels
Form, anchor pole is provided with anchor pole elevation line；The forging and stamping jumping-up temperature control of the lower jumping-up section is between 300-600 DEG C, jumping-up
Anchor pole blank is quenched after rolled thread on construction section and tempering heat treatment, by anchor pole blank heating to 850-1000 during quenching
DEG C and be incubated 3-4h；Blank is placed in the sufficiently strong strength air-blast quenching medium of cooling capacity after insulation defrosting；After the completion of quenching
It is tempered, the anchor pole blank heating after Quenching Treatment to 400-500 DEG C and is incubated 4-5h, it is cold that insulation carries out normal temperature after terminating
But.
The anchor pole is diameter 50mm specification, the radial dimension thickening of lower jumping-up section to 60mm；Anchor pole is diameter 75mm
Specification, the radial dimension thickening of lower jumping-up section to 90mm；Anchor pole is diameter 90mm specification, the radial dimension of lower jumping-up section
Thickening is to 105mm.
A kind of making construction method of high intensity major diameter prestressing force sill anchor, including have the following steps：
1) high intensity major diameter prestressing force sill anchor is made：
1. carrying out forging and stamping jumping-up to the bottom of anchor pole blank, the bottom of forging and stamping is shaped to lower jumping-up section, forges and presses jumping-up
Temperature control is between 300-600 DEG C；The pre-buried anchor slab in lower jumping-up Duan Weiyu bases makees the jumping-up construction section of perpendicularity installation；Under
The length of jumping-up section is 270-300mm, and the size of radial direction thickening is 10-15mm；Anchor pole subscript sets upper bolt elevation line；
2. in rolling the screw thread for being fastenedly connected with the pre-buried anchor slab in basis in lower jumping-up section：By after conducting forging processing
The connection of anchor pole blank, which is positioned on thread rolling die, to be processed, and by rolling molding pressure, makes anchor pole end using the plastic deformation of round steel
Thick portion divide spiral shell to be molded；
3. being heat-treated to anchor pole blank, the heat treatment includes quenching and tempering；During quenching by anchor pole blank heating extremely
850-1000 DEG C and it is incubated 3-4h；Blank is placed in the sufficiently strong strength air-blast quenching medium of cooling capacity after insulation defrosting；Quench
It is tempered after the completion of fire, the anchor pole blank heating after Quenching Treatment to 400-500 DEG C and is incubated 4-5h, insulation terminates laggard
Row normal temperature cools down；In being arranged upper cushion block and double nut in lower jumping-up section；
2) high intensity major diameter prestressing force sill anchor is constructed：
By high intensity major diameter prestressing force sill anchor made from step 1), pass through the screw thread of its bottom structure, cushion block
And double nut is threadably secured connection on the pre-buried anchor slab in basis, is then carried out by the middle part of built-in fitting and sill anchor bar
2 points of positioning secure welds into a ray type connect, and fully ensure that pre-buried ground bolt architecture basics are carrying out concrete filling
Shi Buhui makes sill anchor bar physical dimension occur position skew, and height keeps geometric accuracy, then with 3 points of steel column bottom
Formula connection installation in line.
1) in the step, before step by step 1., include the early-stage preparations step of anchor pole blank, be specially：Construction
Preparation → structural working drawing Deepen Design turns over sample → materials procurement → raw material admission examination → in-depth is turned over master drawing and issued → and gone out
Storehouse neck material, the raw material that high-ranking military officer goes out cut into according to anchor pole specification by sawing machine sawing formula cutting machine needed for anchor pole blank.
1) in the step, also carried out step by step 4. after step by step 1.：Post-processing steps, it is specially：Crab-bolt structure
Part physical dimension specification verification → crab-bolt finished product be put in storage packaging → crab-bolt finished product storage → crab-bolt finished product outbound shipping → crab-bolt into
Product installation.
The anchor pole blank is diameter 50mm specification, the radial dimension thickening of lower jumping-up section to 60mm；Anchor pole blank is
Diameter 75mm specifications, the radial dimension thickening of lower jumping-up section to 90mm；Anchor pole blank is diameter 90mm specification, lower jumping-up section
Radial dimension thickening to 105mm.
After such scheme, high intensity major diameter prestressing force sill anchor of the present invention, forged into the bottom of anchor pole
Type has lower jumping-up section, and the deformation and metal when forging is processed due to component crystallize again, make later large dendritic crystal and column crystal
Grain is changed into that crystal grain is thinner, isometric recrystallized structure of uniform size, makes its plastic deformation of the end of anchor pole and mechanical property in this
It is greatly improved, hardness, plasticity, physics, chemical property can reach the requirement of related specifications standard, but also overcome end
Screw thread physical dimension problem less than normal, brings process time short, and labor intensity is low, efficiency high, the advantages such as making construction cost is low.It is special
Not Shi He specialized, standardized production, the high intensity major diameters such as high level, Super High Heavy Type Steel Structure, water conservancy gate can be used as pre-
The making and popularization and reference of stress sill anchor.
Further, the equal forging forming of anchor pole upper and lower end parts has jumping-up section, when the performance of the whole sill anchor of enhancing,
Second, bottom forging and stamping jumping-up section and rolling have screw thread, when this anchor pole assembles with pre-buried anchor (mould) plate in basis screw thread can be used tight
Be solidly connected, so construction when the defects of overcoming loose mail fabrication and installation to bring, the perpendicularity of foundation bolt bar and anchor slab can obtain
To guarantee, foundation bolt bar will not be made when this just can fully ensure that pre-buried ground bolt architecture basics are carrying out concrete filling
Position skew occurs for physical dimension, can highly keep geometric accuracy, is easy to the connection installation of steel column bottom.I.e. horizontal plane and hang down
Face directly, anchor pole geometric accuracy can be fully guaranteed, input cost is few, production efficiency is high, labor intensity is small, installation
Precision is high, speed of application is fast.
The present invention also proposes the making construction method of high intensity major diameter prestressing force sill anchor, shaping in making first to anchor
The bottom of bar blank carries out forging and stamping jumping-up, the roll threading in lower jumping-up section, forges and processes by the technological process, due to structure
The deformation of part and metal crystallize again, make later large dendritic crystal and columnar grain to be changed into crystal grain thinner, of uniform size isometric
Recrystallized structure, the plastic deformation and mechanical property of blank are greatly improved.Hot place also further is carried out to sill anchor
Reason, blank heating to 850-1000 DEG C and is incubated 3-4h during quenching, blank internal temperature is uniformly reached unanimity, to be formed
Tiny, uniform formula body crystal grain difficult to understand, blank is placed in the sufficiently strong hardening media of cooling capacity (strength is air-cooled) after insulation defrosting,
Its surface and internal temperature is reduced rapidly, obtain martensite or bainite structure.Due to its intensity after the quenched processing of blank,
Hardness increases substantially, but toughness is poor.To ensure that the properties of blank reach requirement, also needed back after the completion of quenching
Fire, tempering use large-scale shaft furnace by the blank heating after Quenching Treatment to 400-500 DEG C and are incubated 4-5h, and insulation terminates laggard
Row normal temperature cools down.Blank can thoroughly remove residual stress caused by quenching after temper, prevent it from becoming
Shape, cracking phenomena.And hardness, intensity, plasticity and the toughness of material are readjusted, performance is fully achieved will
Ask.
Brief description of the drawings
Fig. 1 is the structural representation of high intensity major diameter prestressing force sill anchor of the present invention.
Label declaration
Jumping-up section 10 on anchor pole 1
The lower screw thread 111 of jumping-up section 11
The nut 3 of pad 2.
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
The present invention relates to a kind of high intensity major diameter prestressing force sill anchor, as shown in figure 1, having anchor pole 1, the anchor pole 1
Bottom forging and stamping have the lower jumping-up section 11 of radial dimension thickening, the lower rolling of jumping-up section 11 has screw thread 111.Preferably anchor pole 1
Upper end also form jumping-up section 10, on this in jumping-up section 10 rolling have screw thread.
The length of anchor pole 1 generally takes a length of 4500mm, and the length of the lower jumping-up section 11 is 270-300mm, is specifically given
The length of lower jumping-up section 11 is 300mm in embodiment.Further, the size of the radial direction thickening of lower jumping-up section 11 is 10-15mm.Upper upsetting
Thick section 10 is similarly.Specifically, when anchor pole 1 is diameter 50mm specification, the radial dimension thickening of lower jumping-up section 11 to 60mm；
When anchor pole 1 is diameter 75mm specification, the radial dimension thickening of lower jumping-up section 11 to 90mm；When anchor pole is diameter 90mm specifications
, the radial dimension thickening of lower jumping-up section 11 to 105mm.
The material of anchor pole 1 carries out raw material selection, warp according to highstrength prestressed anchor bolt design dimension specification, performance requirement
Performance comparison for several times, the 35CrMo structural alloy steels (quenching and tempering steel) that generally use performance is good, material is excellent.On anchor pole 1 also
Provided with anchor pole elevation line 12.In addition, being arranged with pad 2 and double nut 3 respectively in the lower jumping-up section 11 of anchor pole 1, acted on for installation.On
Jumping-up section 10 also can be similarly.
The forging and stamping jumping-up temperature control of the lower jumping-up section 11 is between 300-600 DEG C, rolled thread on jumping-up construction section
Anchor pole blank is quenched after 111 and tempering heat treatment, anchor pole blank heating to 850-1000 DEG C and is incubated 3-4h during quenching；
Blank is placed in the sufficiently strong strength air-blast quenching medium of cooling capacity after insulation defrosting；It is tempered, will be quenched after the completion of quenching
Anchor pole blank heating after fire processing to 400-500 DEG C and is incubated 4-5h, and insulation carries out normal temperature cooling after terminating.Upper jumping-up section
10 also can be similarly.
During construction, high intensity major diameter prestressing force sill anchor is existed by its bottom structure (screw thread, cushion block, double nut)
Connection is threadably secured on pre-buried anchor (mould) plate in basis, then passes through built-in fitting (one kind circle of banding fixed foundation bolt bar
Steel wire rod structure aid materials) connect (into a ray principle) at 2 points with carrying out positioning secure weld in the middle part of sill anchor bar,
It thus can fully ensure that pre-buried ground bolt architecture basics will not make foundation bolt bar dimensioning when carrying out concrete filling
It is very little generation position skew, can highly keep geometric accuracy, be easy to steel column bottom connection installation (3 points in line mathematics it is several
What learns principle), it is that the height organic unity of point, line, surface combines, horizontal plane and vertical plane, anchor pole geometric accuracy can
It is fully guaranteed, also avoids pre-buried anchor (mould) plate from needing interim the problem of doing expanding treatment.In this, input cost is few, production
Efficiency high, labor intensity are small, installation accuracy is high, speed of application is fast.
The present invention also proposes a kind of making construction method of high intensity major diameter prestressing force sill anchor, includes following step
Suddenly：
1) high intensity major diameter prestressing force sill anchor is made：
1. carrying out forging and stamping jumping-up to the bottom of anchor pole blank, the bottom of forging and stamping is shaped to lower jumping-up section, forges and presses jumping-up
Temperature control is between 300-600 DEG C；Preferably, also the upper end of anchor pole blank is carried out forging and pressing jumping-up processing；Also in anchor pole
Subscript sets upper bolt elevation line；
Specifically, the anchor pole blank by sawing shaping is placed on 700~1500t forging equipment and carries out end
Jumping-up is locally forged and pressed in termination, and the length L of jumping-up section is 270-300mm (L=300mm in specific embodiment), and jumping-up temperature is strict
Control is between 300-600 DEG C (preferred embodiment has 450 DEG C, 550 DEG C)；
The size Control of its radial direction thickening of lower jumping-up section expires in 10-15mm, jumping-up time according to different size anchor pole blank
The requirement of the corresponding jumping-up geometry thickening diameter of foot gives；When anchor pole blank is ￠ 50mm specification, the radial dimension of lower jumping-up section
Thickening is to ￠ 60mm；When anchor pole blank is ￠ 75mm specification, the radial dimension thickening of lower jumping-up section to ￠ 90mm；When anchor pole base
Expect for ￠ 90mm specifications, the radial dimension thickening of lower jumping-up section to ￠ 105mm；
2. in roll threading in jumping-up section；Anchor pole blank connection after conducting forging processing is positioned on thread rolling die and added
Work, by rolling molding pressure, the thick portion of anchor pole end is set to divide spiral shell to be molded using the plastic deformation of round steel.
3. being heat-treated to anchor pole blank, the heat treatment includes quenching and tempering；During quenching by anchor pole blank heating extremely
850-1000 DEG C and it is incubated 3-4h；It is tempered after the completion of quenching, by the anchor pole blank heating after Quenching Treatment to 400-500 DEG C
And 4-5h is incubated, insulation carries out normal temperature cooling after terminating；After being arranged upper cushion block and double nut in lower jumping-up section.It is specific and
Speech, by 2. the anchor pole of thread forming is positioned over large-scale well formula rich and influential family of overflowing and quenched step by step, by anchor pole blank heating during quenching
To 850-1000 DEG C and be incubated 3-4h (preferred embodiment, be heated to 850,900,950,1000 degree, respectively be incubated 3,3.3,
3.7th, 4 hours), blank internal temperature is uniformly reached unanimity, to form tiny, uniform formula body crystal grain difficult to understand, insulation is thawed
Blank is placed in the sufficiently strong hardening media of cooling capacity (strength is air-cooled) afterwards, its surface and internal temperature is reduced rapidly, obtains
To martensite or bainite structure.Because its intensity, hardness increase substantially after the quenched processing of blank, but toughness is poor.For
Ensure that the properties of blank reach requirement, also need to be tempered after the completion of quenching, tempering is using large-scale shaft furnace by quenching
Blank heating after reason to 400-500 DEG C and be incubated 4-5h (preferred embodiment, be heated to 400,450,500 degree, be incubated 4 respectively,
4.5th, 5 hours), insulation carries out normal temperature cooling after terminating.Blank can answer residual caused by quenching after temper
Power is thoroughly removed, and prevents it from deforming, cracking phenomena.And hardness, intensity, plasticity and the toughness of material have obtained again
Adjustment, performance requirement is fully achieved.Upper jumping-up section 10 also can be similarly.
2) high intensity major diameter prestressing force sill anchor is constructed：
By high intensity major diameter prestressing force sill anchor made from step 1), pass through the screw thread of its bottom structure, cushion block
And double nut is threadably secured connection on the pre-buried anchor slab in basis, is then carried out by the middle part of built-in fitting and sill anchor bar
2 points of positioning secure welds into a ray type connect, and fully ensure that pre-buried ground bolt architecture basics are carrying out concrete filling
Shi Buhui makes sill anchor bar physical dimension occur position skew, and height keeps geometric accuracy, then with 3 points of steel column bottom
Formula connection installation in line.It is the height organic unity combination of point, line, surface, horizontal plane and vertical plane, anchor pole physical dimension essence
Degree can be fully guaranteed, and also avoid pre-buried anchor (mould) plate from needing interim the problem of doing expanding treatment.In this, input cost
Less, production efficiency is high, labor intensity is small, installation accuracy is high, speed of application is fast.
1) in the step, before step by step 1., include the early-stage preparations step of anchor pole blank, be specially：Construction
Preparation → structural working drawing Deepen Design turns over sample → materials procurement → raw material admission examination → in-depth is turned over master drawing and issued → and gone out
Storehouse neck material, the raw material that high-ranking military officer goes out cut into required anchor pole blank according to anchor pole specification by the cutting of sawing machine sawing formula.
1) in the step, also carried out step by step 4. after step by step 1.：Post-processing, it is specially：Crab-bolt component physical dimension is advised
Lattice verification (inspection of crab-bolt technical parameter, crab-bolt mechanical performance test, crab-bolt component chemical composition analysis) → crab-bolt finished product storage
Packaging → crab-bolt finished product storage → crab-bolt finished product outbound shipping → crab-bolt finished product installation etc..
Highstrength prestressed anchor bolt, which is checked and accepted, is broadly divided into dimensions inspection, mechanical performance test, chemical composition inspection.By
In unspecial acceptance specification as reference, highstrength prestressed anchor bolt refers to all multiclass of country in the actual course of receiving
Like specification.Main Specification prestressed bolt has GB/T 702-86《Hot rolled circular steel and square steel size, profile, weight and permission are inclined
Difference》、GB/T 10120-1996《Metal stresses relaxation test method》、GB6397-86《Metal tensile test test sample》、
GB228-87《Metal tensile test method》、Gb/T111-1997《Steel bar for prestressed concrete》、GB2103-88《Steel wire is tested
Receipts, packaging, mark and the general provision of certificate of quality》、ASTMAT22《The uncoated high strength cast iron of prestressed concrete》、GB/
T3077-1999《Structural alloy steel》、GB/T50205-2001《Code for acceptance of construction quality of steel structures》、GB/T3098.1-
2000《Fastener mechanical performance bolt, screw and stud》、GB/T222-2006《The chemical composition of steel》Regulation etc. performs.
And its scantling specification is examined, its mooring rod technique parameter, component mechanical performance test-its high-strength prestress anchor pole
Mechanical performance technical requirements, composition chemical composition analysis-examined by chemical composition technical requirements of high-strength prestress anchor pole etc.
Analysis is surveyed, reaches or surmount the related content requirement of above-mentioned regulation.
High intensity major diameter prestressing force sill anchor and respective production construction method of the present invention, especially suitable for high-rise, super
High level, Heavy Type Steel Structure, water resources dam gate etc..Pass through a kind of high intensity major diameter prestressed ground made by present invention process
Pin crab-bolt is with short production cycle, make machining accuracy height, site operation speed block, recruitment cost is few, labor intensity is low, production efficiency
High, its quality and various performances (anchor pole physical dimension specifications parameter, mooring rod technique parameter, component mechanical performance test, componentization
Learn constituent analysis etc.) meet or largely surmount existing country and industry relevant criterion.Present invention process is simple, construction party
Just, economical rationality, safe and reliable, precision height, crab-bolt quality are good, and energy overall settlement high intensity major diameter prestressing force sill anchor exists
Common quality defect problem present in conventional making, there is great economic benefit.It is particularly suitable for specialized, standardized production, can makees
Making and popularization for the high intensity major diameter prestressing force sill anchor such as high level, Super High Heavy Type Steel Structure, water conservancy gate and
Use for reference.
The foregoing is only the preferred embodiments of the present invention, all equivalent changes done with scope of the invention as claimed and
Modification, the scope of the claims in the present invention all should be belonged to.
Claims (6)
- A kind of 1. high intensity major diameter prestressing force sill anchor, it is characterised in that：With anchor pole, the bottom forging and stamping of the anchor pole have The lower jumping-up section of radial dimension thickening, the pre-buried anchor slab in lower jumping-up Duan Weiyu bases make the jumping-up construction section of perpendicularity installation, should Rolling has the screw thread being fastenedly connected with the pre-buried anchor slab in basis on jumping-up construction section；The length of the lower jumping-up section is 270-300mm, The size of radial direction thickening is 10-15mm；Pad and double nut are arranged with lower jumping-up section；The anchor pole uses 35CrMo alloy knots Structure steel is made, and anchor pole is provided with anchor pole elevation line；The forging and stamping jumping-up temperature control of the lower jumping-up section 300-600 DEG C it Between, after rolled thread anchor pole blank is quenched on jumping-up construction section and tempering heat treatment, during quenching by anchor pole blank heating extremely 850-1000 DEG C and it is incubated 3-4h；Blank is placed in the sufficiently strong strength air-blast quenching medium of cooling capacity after insulation defrosting；Quench It is tempered after the completion of fire, the anchor pole blank heating after Quenching Treatment to 400-500 DEG C and is incubated 4-5h, insulation terminates laggard Row normal temperature cools down.
- A kind of 2. high intensity major diameter prestressing force sill anchor as claimed in claim 1, it is characterised in that：It is described when anchor pole is Diameter 50mm specifications, the radial dimension thickening of lower jumping-up section to 60mm；When anchor pole is diameter 75mm specification, lower jumping-up section Radial dimension thickening is to 90mm；When anchor pole is diameter 90mm specification, the radial dimension thickening of lower jumping-up section to 105mm.
- A kind of 3. making construction method of high intensity major diameter prestressing force sill anchor, it is characterised in that：Including having the following steps：1) high intensity major diameter prestressing force sill anchor is made：1. carrying out forging and stamping jumping-up to the bottom of anchor pole blank, the bottom of forging and stamping is shaped to lower jumping-up section, forges and presses jumping-up temperature Control is between 300-600 DEG C；The pre-buried anchor slab in lower jumping-up Duan Weiyu bases makees the jumping-up construction section of perpendicularity installation；Lower jumping-up The length of section is 270-300mm, and the size of radial direction thickening is 10-15mm；Anchor pole subscript sets upper bolt elevation line；2. in rolling the screw thread for being fastenedly connected with the pre-buried anchor slab in basis in lower jumping-up section：By the anchor pole after conducting forging processing Blank connection, which is positioned on thread rolling die, to be processed, and by rolling molding pressure, makes the thick of anchor pole end using the plastic deformation of round steel Part spiral shell shaping；3. being heat-treated to anchor pole blank, the heat treatment includes quenching and tempering；By anchor pole blank heating to 850- during quenching 1000 DEG C and it is incubated 3-4h；Blank is placed in the sufficiently strong strength air-blast quenching medium of cooling capacity after insulation defrosting；Quench It is tempered after, the anchor pole blank heating after Quenching Treatment to 400-500 DEG C and is incubated 4-5h, insulation carries out normal after terminating Temperature cooling；In being arranged upper cushion block and double nut in lower jumping-up section；2) high intensity major diameter prestressing force sill anchor is constructed：By high intensity major diameter prestressing force sill anchor made from step 1), pass through the screw thread of its bottom structure, cushion block and double Nut is threadably secured connection on the pre-buried anchor slab in basis, then carries out at 2 points by the middle part of built-in fitting and sill anchor bar Positioning secure weld into a ray type connects, and fully ensures that pre-buried ground bolt architecture basics when carrying out concrete filling not Sill anchor bar physical dimension can be made to occur position skew, height keeps geometric accuracy, then with 3 points into one of steel column bottom Linear connection installation.
- 4. a kind of making construction method of high intensity major diameter prestressing force sill anchor as claimed in claim 3, its feature exist In：1) in the step, before step by step 1., include the early-stage preparations step of anchor pole blank, be specially：Preparation of construction → Structural working drawing Deepen Design turn over sample → materials procurement → raw material admission examination → in-depth turn over master drawing issue → outbound neck material, The raw material that high-ranking military officer goes out cut into according to anchor pole specification by sawing machine sawing formula cutting machine needed for anchor pole blank.
- 5. a kind of making construction method of high intensity major diameter prestressing force sill anchor as claimed in claim 3, its feature exist In：1) in the step, also carried out step by step 4. after step by step 1.：Post-processing steps, it is specially：Crab-bolt component geometry Dimensions verification → crab-bolt finished product storage packaging → crab-bolt finished product storage → crab-bolt finished product outbound shipping → crab-bolt finished product installation Construction.
- 6. a kind of making construction method of high intensity major diameter prestressing force sill anchor as claimed in claim 3, its feature exist In：The anchor pole blank is diameter 50mm specification, the radial dimension thickening of lower jumping-up section to 60mm；Anchor pole blank is diameter 75mm specifications, the radial dimension thickening of lower jumping-up section to 90mm；Anchor pole blank is diameter 90mm specification, the footpath of lower jumping-up section To size thickening to 105mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610580.XA CN107574819B (en) | 2015-07-29 | 2015-07-29 | It is a kind of high intensity major diameter prestressing force sill anchor and its production construction method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610580.XA CN107574819B (en) | 2015-07-29 | 2015-07-29 | It is a kind of high intensity major diameter prestressing force sill anchor and its production construction method |
| CN201510453841.2A CN105155567B (en) | 2015-07-29 | 2015-07-29 | A kind of novel feet crab-bolt and its moulding process |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510453841.2A Division CN105155567B (en) | 2015-07-29 | 2015-07-29 | A kind of novel feet crab-bolt and its moulding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107574819A true CN107574819A (en) | 2018-01-12 |
| CN107574819B CN107574819B (en) | 2019-10-15 |
Family
ID=54796585
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710610580.XA Active CN107574819B (en) | 2015-07-29 | 2015-07-29 | It is a kind of high intensity major diameter prestressing force sill anchor and its production construction method |
| CN201510453841.2A Active CN105155567B (en) | 2015-07-29 | 2015-07-29 | A kind of novel feet crab-bolt and its moulding process |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510453841.2A Active CN105155567B (en) | 2015-07-29 | 2015-07-29 | A kind of novel feet crab-bolt and its moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107574819B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863696A (en) * | 2016-05-17 | 2016-08-17 | 太原理工大学 | Corrugated anchored rod device high in strength and large in deformation |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363360B (en) * | 2016-11-03 | 2018-09-18 | 山西太钢不锈钢股份有限公司 | A method of screw thread is processed to the end of stainless steel rebar |
| CN112846642A (en) * | 2019-11-12 | 2021-05-28 | 昆山市明开精密电子五金有限公司 | Machining process of special-shaped nut applied to electronic equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291504Y (en) * | 1997-03-20 | 1998-09-16 | 中国矿业大学 | Reiforced anchoring-bolt |
| JP2000144320A (en) * | 1998-11-10 | 2000-05-26 | Kawasaki Steel Corp | Deformed bar steel for reinforcing bar and its production |
| CN2382841Y (en) * | 1999-07-19 | 2000-06-14 | 中国矿业大学（北京校区） | Metal thick tail anchor rod |
| CN2533267Y (en) * | 2001-12-15 | 2003-01-29 | 汪德洪 | Combined anchor bolt |
| CN201439590U (en) * | 2009-05-14 | 2010-04-21 | 巨力索具股份有限公司 | High-strength anchor rod |
| CN101760692A (en) * | 2010-01-14 | 2010-06-30 | 河北豪特耐磨材料有限公司 | Ultrahigh chromium cast grinding ball and heat treatment process thereof |
| CN202628134U (en) * | 2012-05-22 | 2012-12-26 | 山东科技大学 | High-strength metallic thick-tail yielding anchor rod |
| CN203021997U (en) * | 2012-10-30 | 2013-06-26 | 巨力索具股份有限公司 | High strength light circle anchor lever |
| CN203742638U (en) * | 2014-01-16 | 2014-07-30 | 湖南科技大学 | Anchoring and energy-absorbing anchor-rod device used for controlling deep rock mass |
| US20140356077A1 (en) * | 2013-05-31 | 2014-12-04 | Climb Tech, LLC. | Wedge anchor bolt |
-
2015
- 2015-07-29 CN CN201710610580.XA patent/CN107574819B/en active Active
- 2015-07-29 CN CN201510453841.2A patent/CN105155567B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291504Y (en) * | 1997-03-20 | 1998-09-16 | 中国矿业大学 | Reiforced anchoring-bolt |
| JP2000144320A (en) * | 1998-11-10 | 2000-05-26 | Kawasaki Steel Corp | Deformed bar steel for reinforcing bar and its production |
| CN2382841Y (en) * | 1999-07-19 | 2000-06-14 | 中国矿业大学（北京校区） | Metal thick tail anchor rod |
| CN2533267Y (en) * | 2001-12-15 | 2003-01-29 | 汪德洪 | Combined anchor bolt |
| CN201439590U (en) * | 2009-05-14 | 2010-04-21 | 巨力索具股份有限公司 | High-strength anchor rod |
| CN101760692A (en) * | 2010-01-14 | 2010-06-30 | 河北豪特耐磨材料有限公司 | Ultrahigh chromium cast grinding ball and heat treatment process thereof |
| CN202628134U (en) * | 2012-05-22 | 2012-12-26 | 山东科技大学 | High-strength metallic thick-tail yielding anchor rod |
| CN203021997U (en) * | 2012-10-30 | 2013-06-26 | 巨力索具股份有限公司 | High strength light circle anchor lever |
| US20140356077A1 (en) * | 2013-05-31 | 2014-12-04 | Climb Tech, LLC. | Wedge anchor bolt |
| CN203742638U (en) * | 2014-01-16 | 2014-07-30 | 湖南科技大学 | Anchoring and energy-absorbing anchor-rod device used for controlling deep rock mass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863696A (en) * | 2016-05-17 | 2016-08-17 | 太原理工大学 | Corrugated anchored rod device high in strength and large in deformation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105155567A (en) | 2015-12-16 |
| CN105155567B (en) | 2017-09-05 |
| CN107574819B (en) | 2019-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102380565B (en) | Method for forging large forging | |
| CN103465027B (en) | The thin brilliant dish base manufacture method of a kind of GH4169 alloy | |
| CN103469136B (en) | The preparation method of the TC11 titanium alloy cake material that a kind of fatigue strength is high | |
| CN106498318A (en) | Improve the process of 2219 aluminium alloy rings comprehensive mechanical properties | |
| CN105252230B (en) | Machining process for inclined tee | |
| CN102284835B (en) | Method for producing 10.9-class vehicle bolt of above M12 | |
| CN101279345A (en) | Method for rolling and shaping titanium alloy special-shaped ring forging | |
| CN101279346A (en) | Method for rolling and shaping nickel-based high-temperature alloy special-shaped ring forging | |
| CN108893689B (en) | Inconel718 alloy disc forging homogenizing manufacturing method | |
| CN107574819B (en) | It is a kind of high intensity major diameter prestressing force sill anchor and its production construction method | |
| CN105689613A (en) | Special forging method suitable for super duplex stainless steel bars | |
| CN106475500A (en) | A kind of Heavy Pan Forgings forging technology | |
| CN105363823A (en) | Method for rolling aluminum alloy sheet forge pieces | |
| CN106906340A (en) | A kind of fine grain heat treatment method | |
| CN105397000A (en) | Rolling method of titanium alloy plate-shaped forgings | |
| CN103215415B (en) | Method for quickly improving corrosion resistance of material surface in situ | |
| CN105537487B (en) | Various shaped fishplate manufacture method and mould | |
| CN111378901A (en) | Special base metal wire rod for 1420 MPa-level PC steel rod and preparation method thereof | |
| CN105328095A (en) | Low-carbon high-alloy steel forging technology | |
| CN112536406B (en) | Forging drawing method for avoiding surface cracking | |
| CN112226711B (en) | Forging method for improving structural uniformity of Ti80 alloy bar for ocean engineering | |
| CN108237197A (en) | A kind of forging method for improving the flaw detection of structural steel large-sized ring part | |
| CN102784799A (en) | Hot rolling method for reducing open grain structures of low-carbon steel wire rod | |
| CN105397417A (en) | Rolling method of high-temperature alloy plate shaped forging | |
| CN105112625B (en) | A kind of manufacture method of pressurized-water reactor nuclear power plant shielding impeller of pump forging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |