CN104625649A - Machining method for large-depth taper pin holes of track laying and bridge erecting equipment - Google Patents
Machining method for large-depth taper pin holes of track laying and bridge erecting equipment Download PDFInfo
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- CN104625649A CN104625649A CN201510029294.5A CN201510029294A CN104625649A CN 104625649 A CN104625649 A CN 104625649A CN 201510029294 A CN201510029294 A CN 201510029294A CN 104625649 A CN104625649 A CN 104625649A
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- pin
- hole
- otic placode
- female
- taper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a machining method for large-depth taper pin holes of track laying and bridge erecting equipment. The track laying and bridge erecting equipment is formed by connecting more than two lathe body sections. The adjacent lathe body sections are connected through the taper pin holes of connector bodies. The method comprises the machining steps that first cover plates, second cover plates, male lug plates, female lug plates, first connecting flanges and second connecting flanges are machined at first; the multiple male lug plates are welded to the first cover plates correspondingly to form male connector bodies, and the multiple female lug plates are welded to the second cover plates correspondingly to form female connector bodies; the male lug plates and the female lug plates are bored primarily to form the pin holes; stepped pin holes are bored fine; assembled taper hinge pin assemblies are installed into the stepped holes fine bored in the male and female connector bodies; intermittent welding is carried out between all taper pin sleeves and the corresponding male and female lug plates to form the taper pin holes of the connector bodies. The method is high in feasibility and operability, the lathe body sections are fixedly connected through the taper hinge pins, the locating precision is further improved, clearance fit is achieved, and then the strength and the safety performance of connection of the track laying and bridge erecting equipment are improved.
Description
Technical field
The present invention relates to a kind of processing method spreading the standby large degree of depth taper pin-hole of erection.
Background technology
Along with the develop rapidly that current rail is built, construction of railways equipment is developed rapidly, particularly adapts to current high speed, the Large-scale Railway paving frame construction equipment of heavy haul railway construction obtains large development.Current Large-scale Railway paving frame construction equipment is many at 25 meters long, more than 2.5 meters wide, is steel construction agent structure.But equipment ubiquity girder steel play movement is uneven, during load-carrying construction, amount of deflection strengthens, the problem of impact safety.Domestic main with the method reducing girder steel connector position gap at present, usually adopt the precision improving junction pin-and-hole and axiality, reduce joint gap.But the method needs to carry out multiple bearing boring, school circle to pin-and-hole, and the production cycle is long, cost is high.Require high, wayward to operation contraposition during assembling simultaneously.Be tod once contraposition forbids to carry out assembling, damage latch and pin-and-hole, need to repair, deal with at substantial time and manpower.
Summary of the invention
Technical problem to be solved by this invention is that the deficiency existed for above-mentioned prior art provides a kind of paving improving positioning precision to set up the processing method of standby large degree of depth taper pin-hole.
The technical solution adopted in the present invention is: a kind of processing method spreading the standby large degree of depth taper pin-hole of erection, wherein, the standby car body section by more than two sections of paving erection is formed by connecting, and the car body section between adjacent is connected by the taper pin-hole of fittings body, and it comprises following procedure of processing:
Step one, process the first identical cover plate of multiple structure and the second cover plate, on the first cover plate and the second cover plate, interval has processed multiple grooved hole along its length;
Step 2, process male otic placode and female otic placode, wherein, the side of public otic placode is provided with side boss, and side boss is processed with pin-and-hole, and the opposite side of public otic placode is processed with bevel for welding, and be processed with convex platform in the upper end of public otic placode, lower end is processed with lower convex platform; Side on female otic placode processes pin-and-hole, and opposite side is processed with bevel for welding, and be processed with convex platform in the upper end of female otic placode, lower end is processed with lower convex platform;
Step 3, the second adpting flange processed the first adpting flange and match with the first adpting flange, and thread mill drilling and formulate position taper hole by reamer strand;
Step 4, multiple convex platform be arrangeding public otic placode in parallel is embedded in the grooved hole of first cover plate, the lower convex platform of each public otic placode is embedded in the grooved hole of another the first cover plate, form one group of cover plate, connected by the first adpting flange between two groups of cover plates, form male joint body; The convex platform of multiple female otic placode be arranged in parallel is embedded in the grooved hole of second cover plate, the lower convex platform of each female otic placode is embedded in the grooved hole of another the second cover plate, form one group of cover plate, connected by the second adpting flange between two groups of cover plates, form female joint body;
Step 5, the side boss end of the male otic placode of male joint body is embedded female joint body the space of two female otic placodes between, after locating male otic placode and female otic placode by technique axle, alignment pin and bolt are installed, the upper and lower boss correspondence of each public otic placode welded with the first cover plate, the upper and lower boss correspondence of each female otic placode is welded with the second cover plate;
The pin-and-hole that step 6, the male otic placode of first boring and female otic placode are formed;
Step 7, right boring stepped hole, be specially; The pin-and-hole of the male otic placode alternately arranged and female otic placode is carried out right boring stepped hole according to the mode of successively decreasing;
Step 8, employing numer centre processing taper bearing pin and taper pin cover, the internal diameter that each taper pin overlaps increases successively along the length direction of cover plate or reduces, and is sleeved on taper bearing pin by each taper pin cover by designing requirement, forms cone pin shaft assembly;
Step 9, press fit in the stepped hole of pin and box sub body right boring by assembling cone pin shaft assembly by forcing press;
Step 10, dismounting taper bearing pin, cut first and second cover plate, form pin and box sub body; Remove bolt and alignment pin, pin and box sub body is separated, each taper pin cover is corresponding implements intermittent weld with male and female otic placode, forms the taper pin-hole of fittings body.
By technique scheme, the grooved hole that the first cover plate is processed is the grooved hole that length is arranged alternately; The grooved hole that described second cover plate is processed is the grooved hole that length is arranged alternately.
By technique scheme, in step 8, application butter between taper pin cover with taper bearing pin, is used for locating cone guide.
By technique scheme, bevel for welding and a car body section of each public otic placode of male joint body are welded and fixed, bevel for welding and another car body section of each female otic placode of female joint body are welded and fixed, and two car body sections are connected and fixed by arranging taper bearing pin in the taper pin-hole in fittings body.
Beneficial effect acquired by the present invention is: this method feasibility is high, strong operability, by processing taper pin-hole, being connected and fixed adjacent car body section by taper bearing pin, further increasing positioning precision, reach blind-mate, and then improve intensity and the security performance of connection; The grooved hole that length replaces on the cover board is set, effectively decreases welding stress.
Accompanying drawing explanation
Fig. 1 is the structural representation of cover plate of the present invention.
Fig. 2 is the structure chart of public otic placode in the present invention.
Fig. 3 is the structure chart of female otic placode in the present invention.
When Fig. 4 is right boring stepped hole in the present invention, the schematic diagram of male otic placode, female otic placode pin-and-hole pore size.
Fig. 5 is that taper bearing pin and taper pin overlap configuration schematic diagram.
Fig. 6 is the structure chart after male and female structure is connected to form fittings body.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is that paving sets up standby connection diagram.
Fig. 9 is the top view of Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Present embodiments provide a kind of processing method spreading the standby large degree of depth taper pin-hole of erection, as shown in Figure 8,9, long 28 meters of the car body that paving erection is standby, wide 2.99 meters, be divided into three sections, be made up of Anterior Segment 18, middle sections 20, rear sections 21, wherein Anterior Segment 18 is connected with middle sections 20 by fittings body 19, middle sections 20 is connected with rear sections 21 by fittings body, and the upper and lower side of fittings body is welded and fixed with front (in, rear) sections respectively.Fittings body comprises male joint body and female joint body, and male joint body and female joint body are by jointly forming interspersed taper pinned connection in taper pin-hole at it, and wherein, the procedure of processing of the taper pin-hole of fittings body is as follows:
Step one, as shown in Figure 1, adopt the first cover plate 10 and the second cover plate 1 that the multiple structure of digital control processing is identical, wherein, the first cover plate and the second cover plate are on a plank, and on the first cover plate 10 and the second cover plate 1, interval has processed multiple length and replaces grooved hole along its length;
Step 2, as shown in Figure 2,3, adopt the male otic placode of digital control processing 11 and female otic placode 2, wherein, the side of public otic placode 11 is provided with side boss, side boss is processed with the pin-and-hole 12 of Φ 60, the opposite side of public otic placode 11 is processed with bevel for welding, and be processed with convex platform in the upper end of public otic placode 11, lower end is processed with lower convex platform; Side on female otic placode 2 processes Φ 60 pin-and-hole 12, and opposite side is processed with bevel for welding, and be processed with convex platform in the upper end of female otic placode 2, lower end is processed with lower convex platform;
Step 3, the second adpting flange 13 processed the first adpting flange 16 and match with the first adpting flange, and formulate position taper hole and screwed hole 9 by reamer strand;
Step 4, multiple convex platform be arrangeding public otic placode 11 in parallel is embedded in the grooved hole of first cover plate 10, the lower convex platform of each public otic placode 11 is embedded in the grooved hole of another the first cover plate 10, form one group of cover plate, welded by the first adpting flange 16 between two groups of cover plates, form male joint body; The convex platform of multiple female otic placode 2 be arranged in parallel is embedded in the grooved hole of second cover plate 1, the lower convex platform of each female otic placode is embedded in the grooved hole of another the second cover plate 1, form one group of cover plate, welded by the second adpting flange 13 between two groups of cover plates, form female joint body;
Step 5, the side boss end of the male otic placode of male joint body is embedded female joint body the space of two female otic placodes between, after adopting the technique axle of Φ 60 to locate male otic placode and female otic placode, gap adjustment plate is adopted to control the right position of each otic placode between otic placode, alignment pin 14 and bolt 15 are installed, the upper and lower boss correspondence of each public otic placode 11 is welded with the first cover plate 10, the upper and lower boss correspondence of each female otic placode 2 is welded with the second cover plate 1, stress-removal process after welding;
Step 6, dismounting bolt 15 and alignment pin 14, pin and box sub body is separated, and removes gap adjustment plate, coating prime lacquer;
Step 7, first boring pin-and-hole, be specially assembled male and female fittings body, construction bolt 15 and alignment pin 14, and carry out first boring pin-and-hole to Φ 91, then remove bolt 15 and alignment pin 14, male and female fittings body is separated, and removes processing iron filings;
Step 8, right boring stepped hole, be specially: assembled pin and box sub body, construction bolt and alignment pin, carry out right boring step pin-and-hole, the pin-and-hole of the male otic placode alternately arranged and female otic placode is carried out right boring stepped hole according to following rule, as shown in Figure 4, such as be followed successively by Φ 92, Φ 92.5, Φ 93, Φ 93.5, Φ 94, Φ 94.5, Φ 95, Φ 95.5, Φ 96.5, Φ 97, Φ 97.5, Φ 98, Φ 98.5, Φ 99, Φ 99.5, Φ 100, such right boring stepped hole facilitates the installation of later stage taper pin cover, then pin and box sub body is separated, remove processing iron filings, again assemble,
Step 9, the taper pin cover 4 adopting numer centre processing taper bearing pin 3 and endoporus to be taper hole, wherein, one end of taper bearing pin 3 is provided with internal thread hole 8, conveniently pulls pin, and the other end is provided with processing and determines taper hole 7, convenient processing; The inside and outside footpath of each taper pin cover 4 is identical with the decreasing pore size rule of the pin-and-hole in fittings body, and each taper pin cover is sleeved on taper bearing pin 3 by designing requirement, application butter between taper pin cover 4 and taper bearing pin 3, is used for locating cone guide, form cone pin shaft assembly, as shown in Figure 5;
Step 10, press fit in the stepped hole of pin and box sub body right boring by assembling cone pin shaft assembly by forcing press, press-mounting stroke is 26mm;
Step 11, dismounting taper bearing pin 3, cut first and second cover plate according to the dotted line in Fig. 1, form pin and box sub body; Remove bolt 15 and alignment pin 14, pin and box sub body is separated, each taper pin cover is corresponding implements intermittent weld with male and female otic placode, forms the taper pin-hole of fittings body.
Step 12, be processed with side plate 17 respectively in the outside of fittings body of pin and box sub composition, side plate 17 is positioned at the two ends of taper bearing pin 3, on side plate 17, corresponding taper bearing pin is provided with pin-and-hole, taper bearing pin is locked by locking nut 5 after penetrating the pin-and-hole of one of them side plate, male and female fittings body, another side plate successively, as shown in Figure 6,7.
When connecting, for the connection of the Anterior Segment of car body and middle sections, bevel for welding and the Anterior Segment of each public otic placode of male joint body are welded and fixed, and bevel for welding and the middle sections of each female otic placode of female joint body are welded and fixed, thus two car body sections are connected and fixed.
Claims (4)
1. spread a processing method for the standby large degree of depth taper pin-hole of erection, wherein, the standby car body section by more than two sections of paving erection is formed by connecting, and the car body section between adjacent is connected by the taper pin-hole of fittings body, it is characterized in that: it comprises following procedure of processing:
Step one, process the first identical cover plate of multiple structure and the second cover plate, on the first cover plate and the second cover plate, interval has processed multiple grooved hole along its length;
Step 2, process male otic placode and female otic placode, wherein, the side of public otic placode is provided with side boss, and side boss is processed with pin-and-hole, and the opposite side of public otic placode is processed with bevel for welding, and be processed with convex platform in the upper end of public otic placode, lower end is processed with lower convex platform; Side on female otic placode processes pin-and-hole, and opposite side is processed with bevel for welding, and be processed with convex platform in the upper end of female otic placode, lower end is processed with lower convex platform;
Step 3, the second adpting flange processed the first adpting flange and match with the first adpting flange, and thread mill drilling and formulate position taper hole by reamer strand;
Step 4, multiple convex platform be arrangeding public otic placode in parallel is embedded in the grooved hole of first cover plate, the lower convex platform of each public otic placode is embedded in the grooved hole of another the first cover plate, form one group of cover plate, connected by the first adpting flange between two groups of cover plates, form male joint body; The convex platform of multiple female otic placode be arranged in parallel is embedded in the grooved hole of second cover plate, the lower convex platform of each female otic placode is embedded in the grooved hole of another the second cover plate, form one group of cover plate, connected by the second adpting flange between two groups of cover plates, form female joint body;
Step 5, the side boss end of the male otic placode of male joint body is embedded female joint body the space of two female otic placodes between, after locating male otic placode and female otic placode by technique axle, and alignment pin is installed and construction bolt in screwed hole in the taper hole of location, the upper and lower boss correspondence of each public otic placode welded with the first cover plate, the upper and lower boss correspondence of each female otic placode is welded with the second cover plate;
The pin-and-hole that step 6, the male otic placode of first boring and female otic placode are formed;
Step 7, right boring stepped hole, be specially; The pin-and-hole of the male otic placode alternately arranged and female otic placode is carried out right boring stepped hole according to the mode of successively decreasing;
Step 8, employing numer centre processing taper bearing pin and taper pin cover, the internal diameter that each taper pin overlaps increases successively along the length direction of cover plate or reduces, and is sleeved on taper bearing pin by each taper pin cover by designing requirement, forms cone pin shaft assembly;
Step 9, press fit in the stepped hole of pin and box sub body right boring by assembling cone pin shaft assembly by forcing press;
Step 10, dismounting taper bearing pin, cut first and second cover plate, form pin and box sub body; Remove bolt and alignment pin, pin and box sub body is separated, each taper pin cover is corresponding implements intermittent weld with male and female otic placode, forms the taper pin-hole of fittings body.
2. a kind of processing method spreading the standby large degree of depth taper pin-hole of erection according to claim 1, it is characterized in that, the grooved hole that the first cover plate is processed is the grooved hole that length is arranged alternately; The grooved hole that described second cover plate is processed is the grooved hole that length is arranged alternately.
3. a kind of processing method spreading the standby large degree of depth taper pin-hole of erection according to claim 1 and 2, is characterized in that, in step 8, application butter between taper pin cover with taper bearing pin, is used for locating cone guide.
4. a kind of processing method spreading the standby large degree of depth taper pin-hole of erection according to claim 1 and 2, it is characterized in that, bevel for welding and a car body section of each public otic placode of male joint body are welded and fixed, bevel for welding and another car body section of each female otic placode of female joint body are welded and fixed, and two car body sections are connected and fixed by arranging taper bearing pin in the taper pin-hole in fittings body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510029294.5A CN104625649B (en) | 2015-01-21 | 2015-01-21 | Machining method for large-depth taper pin holes of track laying and bridge erecting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510029294.5A CN104625649B (en) | 2015-01-21 | 2015-01-21 | Machining method for large-depth taper pin holes of track laying and bridge erecting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104625649A true CN104625649A (en) | 2015-05-20 |
| CN104625649B CN104625649B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510029294.5A Active CN104625649B (en) | 2015-01-21 | 2015-01-21 | Machining method for large-depth taper pin holes of track laying and bridge erecting equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02182325A (en) * | 1988-12-07 | 1990-07-17 | Feintool Internatl Holding | Manufacture of metal part |
| CN202346658U (en) * | 2011-12-13 | 2012-07-25 | 中联重科股份有限公司 | Compound upper support structure of tower crane and tower type crane having same |
| CN202880722U (en) * | 2012-11-20 | 2013-04-17 | 郑州科润机电工程有限公司 | Machine platform applicable to ultra-large luffing jib tower crane |
| CN203918503U (en) * | 2014-06-11 | 2014-11-05 | 陕西法士特齿轮有限责任公司 | A kind of pallet |
| CN203993050U (en) * | 2014-08-06 | 2014-12-10 | 中联重科股份有限公司 | For the attaching/detaching apparatus of bearing pin |
-
2015
- 2015-01-21 CN CN201510029294.5A patent/CN104625649B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02182325A (en) * | 1988-12-07 | 1990-07-17 | Feintool Internatl Holding | Manufacture of metal part |
| CN202346658U (en) * | 2011-12-13 | 2012-07-25 | 中联重科股份有限公司 | Compound upper support structure of tower crane and tower type crane having same |
| CN202880722U (en) * | 2012-11-20 | 2013-04-17 | 郑州科润机电工程有限公司 | Machine platform applicable to ultra-large luffing jib tower crane |
| CN203918503U (en) * | 2014-06-11 | 2014-11-05 | 陕西法士特齿轮有限责任公司 | A kind of pallet |
| CN203993050U (en) * | 2014-08-06 | 2014-12-10 | 中联重科股份有限公司 | For the attaching/detaching apparatus of bearing pin |
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| Publication number | Publication date |
|---|---|
| CN104625649B (en) | 2017-01-25 |
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