CN201728397U - High-strength bolt drill jig of dry quenching body frame structure - Google Patents
High-strength bolt drill jig of dry quenching body frame structure Download PDFInfo
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- CN201728397U CN201728397U CN2009202889236U CN200920288923U CN201728397U CN 201728397 U CN201728397 U CN 201728397U CN 2009202889236 U CN2009202889236 U CN 2009202889236U CN 200920288923 U CN200920288923 U CN 200920288923U CN 201728397 U CN201728397 U CN 201728397U
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Abstract
The utility model relates to a high-strength bolt drill jig of a dry quenching body frame structure, which is characterized in that the drill jig is provided with a drill jig template (5); a plurality of uniformly-distributed datum holes (8) are drilled on the template (5); the datum holes (8) are corresponding to the parts of an H-shaped steel flange plate (4), an H-shaped steel web (1) or a connecting plate (2) that need to be drilled, and each datum hole (8) is provided with a bushing (9) which is in interference fit and connection with the datum hole (8). The utility model can manufacture the templates which can meet the accuracy requirement at low cost. By adopting the drill jig, holes drilled by the drill jig on the connecting plates and the components are the same. The drill jig can be used by turning up, converting and turning around, and is particularly suitable for drilling a large amount of high-strength bolts on site, and the wearing capacity is reduced by assembling corresponding bushings on the drill jig, so as to reach the effect that one set of drill jig can be used repeatedly.
Description
Technical field
The utility model relates to the dry coke quenching field, is specifically related to a kind of mold for drilling high-strength bolt holes for coke dry quenching body frame structure.
Background technology
Compare with traditional coke wet quenching, dry coke quenching has the waste that reduces water and effectively utilizes coke heat energy to reach 80%, can improve characteristics such as coke quality and production environment.It is big that the dry coke quenching engineering has the coke dry quenching body installation workload, and loose mail is many; The structure height, aspect is many, and the construction site is narrow and small, and quantities is concentrated, and interchange operation is frequent; It is many to relate to specialty, and installation quality requires characteristics such as height.Major part is that high-strength bolt connects in the connection procedure of coke dry quenching body frame, there is following undesirable element in high-strength bolt in connection procedure: one, the member connecting portion of this engineering is more, its post, beam, bridging, secondary beam connected mode are that high-strength bolt connects, hole group's quantity is many, component node mostly is three-dimensional connection, in making and installing the benchmark point, line, surface of member, the control of angle is all exerted an influence to the punching rate of bolt; Its two, framework mostly is big member, the connection procedure of finishing high-strength bolt in the high-altitude is commonplace phenomenon, high-altitude construction is had higher requirement to the punching rate of bolt.Therefore, how to guarantee that the degree of accuracy of bore size and then the installation effectiveness of raising strength bolt punching rate and frame structure then seem particularly important.
The forming hole method in dry coke quenching framework high-strength bolt hole has much at present, and mainly contain following several: the brill method is joined at (1) connecting plate scene factually; (2) connect backhand welding earlier; (3) the brill method is joined in the on-the-spot assembling of structure manufacture.But these methods all exist the shortcoming of too much not manageability of connecting plate and practical operation complexity.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of mold for drilling high-strength bolt holes for coke dry quenching body frame structure is provided, and this drill jig is that benchmark carries out pore-forming to corresponding dry coke quenching structural member, with assurance borehole accuracy, raising punching rate, and then improves installation effectiveness.
The utility model solves its technical problem and adopts following technical scheme: be provided with the drill jig template, on this template, be drilled with a plurality of equally distributed datum holes, this datum hole is corresponding with the position that H shaped steel flange plate, H shaped steel web or connecting plate need be holed, and each datum hole is equipped with the continuous lining of interference fit with it.
The utility model compared with prior art has following main advantage:
1. cost is low, quality height: utilize common driller to produce the satisfactory drill jig template of precision, and then take drill jig structural member to be carried out accurate pore-forming as the mode of template, to guarantee borehole accuracy, to improve punching rate, and then improve the installation effectiveness assurance duration, can realize the high target of high-strength bolt hole disposable wearing porosity, the disposable wearing porosity reaches 99.3%, and quality can adopt Digit Control Machine Tool boring to compare favourably with prior art;
2. the scope of application is wide, workable: this drill jig is applicable to that the steel plate of any specification almost, the hole processing and the steel construction boring of shaped steel connect, be particularly useful for that this connected node of dry coke quenching engineering is many, number of bolt hole is many, and to the making processing of the demanding steel frame construction of bolt hole installation accuracy.The more important thing is that this drill jig can reach in the workshop at the scene and apply in a flexible way, be not subjected to place and mechanical constraint.
3. easy to use: this drill jig is suitable for carrying out at the scene a large amount of high-strength bolt boring, thereby and reach the reusable effect of a cover drill jig by on drill jig, being equipped with the corresponding lining amount of reducing wear, all all are living by connecting plate and the hole on the member that this drill jig comes outbreak out, can anti-limit, transposition, tune can both use.
Description of drawings
Fig. 1 is a H shaped steel high-strength bolt connection diagram.
Fig. 2 is a H shaped steel drill jig template match-drill schematic diagram.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is drill jig boring schematic diagram.
Fig. 5 is a drill jig lining schematic diagram.
Fig. 6 is the vertical view of Fig. 5.
Among the figure: 1.H shaped steel web; 2. connecting plate; 3. high-strength bolt hole; 4.H shaped steel flange plate; 5. drill jig template; 6. horizontal control line; 7. vertical control line; 8. datum hole; 9. lining.
The specific embodiment
The utility model relates to coke dry quenching body frame structure high-strength bolt hole drill mould, its structure such as Fig. 4 are to shown in Figure 5: be provided with drill jig template 5, on this template, be drilled with a plurality of equally distributed datum holes 8, this datum hole needs the position of boring corresponding with H shaped steel flange plate 4, H shaped steel web 1 or connecting plate 2, and each datum hole is equipped with the continuous lining 9 of interference fit with it.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
One. the making of drill jig template 5
Producing the drill jig template 5 (abbreviation template) that meets precision, is the prerequisite that postorder work is accomplished.
1. select to make the drilling machine of template:
Select drilling and milling machine as the drilling machine of making template, for example selecting model for use is the ZX50F drilling and milling machine, and this drilling and milling machine has following 3 advantages:
(1) the horizontal operation platform is arranged.The traverse feed axle center of workbench becomes the three-dimensional xyz coordinate system of going up with the length feed axle center with drill bit;
(2) precision is higher.Laterally, vertically the index dial minimum scale is 4 μ m, it is 100 lattice that rotating disk circles, walk 4mm then precision can be controlled within the 4 μ m;
(3) low price.One is about 10,000 yuan.And Digit Control Machine Tool is more than 200,000 yuan.
Drilling and milling machine with above three advantages all can be selected to be suitable for.
2. pattern hole center line:
Adopt the semi-automatic gas cutting machine oxygen-acetylene cutting behind the leveling of plates, the steel plate center line that rectify platband surface, draws.Vertically being placed on then and utilizing precision on the face plate is that 0.02 vernier height gauge is a datum line with the steel plate sideline, marks the center line in each hole one by one, and accomplishes fluently dotting punch with steel nail.
3. the boring of template:
Boring is one step of key of this technology.
(1) with the steel plate after the perforating being placed on the horizontal table of drilling and milling machine, fix with depression bar after the adjustment level.For raising the efficiency, steel plate of the same race can overlapping several, and height is advisable within 60mm.And with spot-welded together around the steel plate.
(2) after having bored first hole, when boring next hole, by rotate horizontal stroke, the feeding handle is counted the number of turns that index dial rotates longitudinally, controls to the distance of horizontal and vertical adjacent holes respectively, drilling gets final product then.Needn't all to repeat centering in hole of every brill, reduce cumulative errors greatly thereby reduced by two adjacent holes error in the heart.
Illustrate, as shown in Figure 4: when boring datum hole 8-1, the dotting punch of beating on the heart line is as centering usefulness therein, and dotting punch aligns with bit central, bores datum hole 8-2 when having bored this Kong Houzai, the horizontal relative distance of the hole heart of datum hole 8-1,8-2 is Xmm, because the traverse feed rotating disk turns around, workbench traverse feed 4mm, so after having bored datum hole 8-1, need to shake traverse feed handle X/4 circle, promptly arrived the position of datum hole 8-2 to datum hole 8-2 direction.Control crown height drilling datum hole 8-2 then.In like manner hole successively as stated above to datum hole 8-12 direction from datum hole 8-2, after having bored datum hole 8-12, begin to bore second row, datum hole 8-12 and datum hole 8-13 hole heart relative distance are Ymm, then need to shake the position that length feed handle Y/4 circle can arrive datum hole 8-13 to datum hole 8-13 direction, control crown height then, drilling datum hole 8-13.In like manner bore second row, the 3rd row successively from datum hole 8-13 backward reference hole 8-14 direction ... up to all datum holes have all been bored.
Misremember the number of turns when preventing that the workman from shaking handle, cause the position of the hole heart that deviation takes place, therefore the dotting punch of accomplishing fluently with top step 2 is checked.Just in case misremember the number of turns, then bore whole the circle when drill bit and dotting punch are close, whether the physical location by observing drill bit and dotting punch centering, judges that how handle changes the few situations of commentaries on classics, makes corresponding adjustment then, makes drill bit and dotting punch centering.
This kind boring method makes that site error facts have proved between the adjacent holes within 4 μ m, the template that whole dry coke quenching steel structure is made of this kind method, on the same template arbitrarily between the hole site error within 24 μ m, meet the required precision of template.
(3) after the drill jig pore-forming finishes corresponding lining 9 (Fig. 5, Fig. 6) is installed on the drill jig, such once the cover long-lived drill jig made successfully.Material that the saturating property of lining 9 You temper is strong or high hardness wear-resisting material (for example abrasion-proof stainless steel, wear-resisting alloy steel and antifriction alloy copper etc.) are made, totally three kinds of specifications, internal diameter is respectively three kinds of 18mm, 22mm, 24mm, wall thickness 4mm, and length equals the thickness of drill jig template 1.Lining 9 adopts interference fit with drill jig template 5, and the internal diameter wearing and tearing exceed 0.5mm and changed later on.
Two. the high-strength bolt hole of connecting plate 2 makes (referring to Fig. 1, Fig. 2 and Fig. 3)
After the drill jig template construct came out, all connecting plates all used corresponding template to make as key well.Operating process is as follows:
With the steel plate of drill jig template 5 and corresponding size according to drill jig template 5 last, connecting plate 2 under order overlap, after the center line alignment of drill jig template 5 and connecting plate 2 it is clipped, and be placed on the drilling and milling machine horizontal operation platform, fix with depression bar after the adjustment level.Among Fig. 1-Fig. 3,2-1 is the connecting plate of flange plate, and 2-2 is the connecting plate of H shaped steel web 1.
2. shake the feeding handle, make drill bit extend into the laggard capable drilling of respective mode plate hole.Because the template hole depth is 8～30mm, the workman is easy to control drill bit and takes pattern hole, easily to the heart, has reduced eccentric error, therefore not only easy operating but also can guarantee the precision in hole of the method for making connecting plate with template boring.For improving drilling efficiency, the several piece steel plate can be piled up boring simultaneously, be no more than 50mm with gross thickness and be advisable.
The boring of three .H shaped steel webs 1 (abbreviation web) and H shaped steel flange plate 4 (abbreviation flange plate)
The boring of web and flange plate also is the method that adopts template boring.For reducing error, the connecting plate of same node point and respective members need to hole with same template.
1. select to carry out the drilling machine of flange plate and web connecting hole
Because of mostly being big member, H shaped steel limited by the place, and flange plate and web boring position is special, though can satisfy the hole required precision with Digit Control Machine Tool boring, need set up member shipping platform support to be processed, cooperate straddle truck to cooperate the carrying operation, the poor efficiency effort.Therefore select small and exquisite nimble magnetic support core drill for use.
For example select Japanese SANSO magnetic support core drill for use, this core drill has following characteristics:
(1) its efficient magnetic force drill bit is the very high alloy hollow boring bit of hardness, adopt 3 kinds of combination sword structures, cutting tip is divided into 3 sections, has not only reduced resistance to cutting and also prolonged service life and stronger compared with the adsorption capacity of common magnetic force drill bit magnetic support, the fuselage of magnetic drill press is more stable
(2) can conveniently move.
Magnetic force with above characteristics bores all can be selected to be suitable for.
2.H the high-strength bolt borehole jack mould of shaped steel flange plate 4, H shaped steel web 1 boring:
(1) on flange plate and web, emits the vertical and horizontal control line corresponding respectively with drill jig template 5.
(2) drill jig template 5 is placed on the lateral surface of H shaped steel flange plate 4 or H shaped steel web 1, the vertical control line 7 of drill jig template 1 aligns with the vertical control line of the lateral surface of described flange plate or web, the horizontal control line 6 of drill jig template 5 aligns with the horizontal control line of H shaped steel, drill jig template 5 is last, flange plate or web be down, with anchor clamps drill jig template 5 and flange plate or web clamped;
(3) through confirming that aiming at drill jig template 5 holes with the hollow rig of magnetic support after errorless holes.
Among Fig. 1-Fig. 3, numbering 3-1 is high-strength bolt hole, flange plate place, and numbering 3-2 is high-strength bolt hole, web place.Numbering 5-1 is for making the template of flange plate, and numbering 5-2 is for making the template of web.
The connection of four .H shaped steel steel members
After drilling work was finished, the member connection was carried out successively by node.Wherein connecting plate 2 is that drill jig template 5 is by drilling and milling machine template boring gained.Because connecting plate and member to be connected are holed with same template centering, improve the drilling precision greatly and reduced the pore-forming error, wear the phenomenon that occurs between the several holes of same bolt than big shearing when having avoided connecting, the connection surplus that 5mm is arranged in the middle of when the H Steel section member docks in addition, add the surplus (as shown in table 1) that 1.5～3mm is arranged for matched in clearance between high-strength bolt and the hole, improved the punching rate of high-strength bolt effectively.
Subordinate list
Table 1 high-strength bolt diameter and aperture
| High-strength bolt nominal diameter (mm) | M12 | M16 | M20 | M22 | M24 | M27 | M30 |
| High-strength bolt nominal diameter (mm) | 13.5 | 17.5 | 22.0 | 24.0 | 26.0 | 30.0 | 33.0 |
Claims (2)
1. coke dry quenching body frame structure high-strength bolt hole drill mould, it is characterized in that being provided with drill jig template (5), on this template, be drilled with a plurality of equally distributed datum holes (8), this datum hole needs the position of boring corresponding with H shaped steel flange plate (4), H shaped steel web (1) or connecting plate (2), and each datum hole is equipped with the continuous lining (9) of interference fit with it.
2. coke dry quenching body frame structure high-strength bolt hole drill mould according to claim 1, it is characterized in that described lining (make by material or high hardness wear-resisting material that the saturating property of 9) You temper is strong, totally three kinds of specifications, internal diameter is respectively 18mm, 22mm, 24mm, wall thickness 4mm, length equals the thickness of drill jig template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202889236U CN201728397U (en) | 2009-12-08 | 2009-12-08 | High-strength bolt drill jig of dry quenching body frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202889236U CN201728397U (en) | 2009-12-08 | 2009-12-08 | High-strength bolt drill jig of dry quenching body frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201728397U true CN201728397U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202889236U Expired - Fee Related CN201728397U (en) | 2009-12-08 | 2009-12-08 | High-strength bolt drill jig of dry quenching body frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201728397U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672237A (en) * | 2012-04-28 | 2012-09-19 | 苏州金牛精密机械有限公司 | Template for drilling holes on surface of lead plate |
| CN103203486A (en) * | 2013-04-16 | 2013-07-17 | 新疆八一钢铁股份有限公司 | Production process of high-precision connecting plate |
| CN107138755A (en) * | 2017-05-26 | 2017-09-08 | 中国冶集团有限公司 | The method of quick Fabrication High-strength bolt hole |
| CN108526549A (en) * | 2018-05-30 | 2018-09-14 | 河南新科起重机股份有限公司 | It is a kind of to be used to become the Special drilling jig across gantry connecting plate |
| CN113494188A (en) * | 2021-06-30 | 2021-10-12 | 上海宝冶集团有限公司 | Sectional pre-assembly construction method for cylindrical sectional heating furnace |
| CN114700531A (en) * | 2022-04-22 | 2022-07-05 | 中国飞机强度研究所 | Method for machining bolt hole in connecting plate |
-
2009
- 2009-12-08 CN CN2009202889236U patent/CN201728397U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672237A (en) * | 2012-04-28 | 2012-09-19 | 苏州金牛精密机械有限公司 | Template for drilling holes on surface of lead plate |
| CN103203486A (en) * | 2013-04-16 | 2013-07-17 | 新疆八一钢铁股份有限公司 | Production process of high-precision connecting plate |
| CN107138755A (en) * | 2017-05-26 | 2017-09-08 | 中国冶集团有限公司 | The method of quick Fabrication High-strength bolt hole |
| CN108526549A (en) * | 2018-05-30 | 2018-09-14 | 河南新科起重机股份有限公司 | It is a kind of to be used to become the Special drilling jig across gantry connecting plate |
| CN113494188A (en) * | 2021-06-30 | 2021-10-12 | 上海宝冶集团有限公司 | Sectional pre-assembly construction method for cylindrical sectional heating furnace |
| CN114700531A (en) * | 2022-04-22 | 2022-07-05 | 中国飞机强度研究所 | Method for machining bolt hole in connecting plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |