CN103447707A - Method for assembling large long guide rail assembly with guaranteed straightness - Google Patents
Method for assembling large long guide rail assembly with guaranteed straightness Download PDFInfo
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- CN103447707A CN103447707A CN2013103452491A CN201310345249A CN103447707A CN 103447707 A CN103447707 A CN 103447707A CN 2013103452491 A CN2013103452491 A CN 2013103452491A CN 201310345249 A CN201310345249 A CN 201310345249A CN 103447707 A CN103447707 A CN 103447707A
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- guide rail
- frock
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- framework
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Abstract
The invention discloses a method for assembling a large long guide rail assembly with guaranteed straightness. An assembly sequence of an existing method is changed by the method. The method includes controlling a tool and assembling guide rails with the requirement on guaranteeing the straightness; integrally welding the assembled guide rails with the excellent straightness with a frame to obtain a final product. The method has the advantages that a guide rail part of the product manufactured by the method is excellent in straightness, a workpiece can assuredly freely slide on the guide rails, and the safety performance is greatly improved when a truck-mounted drilling rig works; the method is economical, practical and simple, operation is easy, and the production efficiency is obviously improved; the tool can be reused, and accordingly the production cost is lowered.
Description
Technical field
The present invention relates to a kind of method for processing and assembling of component of machine, specifically a kind of method of assembling large-scale long guideway base part.
Background technology
In the work progress of speedily carrying out rescue work in coal field ground gas extraction construction, shallow oil, hydrological well and geological prospecting, mine, need to use truck-mounted drilling rig.The gadder of truck-mounted drilling rig is generally a kind of telescopic mast.When extension mast stretches out, height can reach more than 20 meter, and during retraction, length is at more than 10 meters.Flexible mast comprises expansion link and, for expansion link provides the mast frame of track, the unit head of rig moves on expansion link, simultaneous retractable bar and moving along the guide rail of mast frame, so between the guide rail of expansion link and mast frame, tight quality of fit to be arranged.The linearity of four guide rails on the mast frame of general long 12 meters all can not be greater than 3mm.
The structural representation of the mast frame of truck-mounted drilling rig as shown in Figure 1.The outside of mast frame is long framework 1 more than 12 meters, and the inboard of framework 1 is welded with two relative guide assemblies, and guide assembly consists of guide rail 5, connecting plate 4, fixed head 3, totally four, guide rail 5, and four guide rails are arranged symmetrically with.Four guide rails are welded on respectively on several connecting plates 4, and connecting plate is bolted on some fixed heads 3 more in twos symmetrically, and fixed head 3 is welded on respectively in the framework of mast frame again.In the space that the expansion link of truck-mounted drilling rig limits at four guide rails along guide rail movement.The mast frame can not carry out machining again after assembling completes, so the precision of its assembling is exactly its final precision.At present, the method for assembly welding mast frame is first that framework is in place, then by each parts assembly welding successively to framework.Such assemble method, finally can not guarantee the linearity requirement of guide rail.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of assemble method that can guarantee large-scale long guideway class component linearity, and the method can make the linearity of final products meet product requirement, if the linearity that makes 12 meters long assemblies is in 3mm.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Large-scale long guideway class component guarantees the assemble method of linearity, adopts following steps and technique to carry out:
1. assembly welding framework, and make frock according to design attitude and the required distance of guide rail; The guide assembly that preliminary assembling consists of fixed head, connecting plate, guide rail;
The distance that will guarantee during the assembly welding framework to place in framework between two medial surfaces of guide assembly meets the design size requirement;
On described frock, be provided with the position of guide rail with apart from corresponding breach;
Described preliminary assembling guide assembly is at first each connecting plate to be connected on fixed head by bolt, then guide rail is placed on connecting plate and by the spot welding mode guide rail and each connecting plate are fixed, to be connected and fixed the bolted of plate and connecting plate again, form the guide assembly of preliminary assembling;
2. frock vertically is placed on a platform, two groups of guide assemblies of tentatively assembling are buckled in to the both sides of frock, and, by bolt loosening and fastening connecting plate and fixed head, guide rail is placed in the breach of frock, then the mode by spot welding is fixed to guide rail on frock;
3. detect respectively between two guide assemblies the distance be relatively fixed between the plate outside, the fixed head that is more than or equal to distance between the framework inner side end is pulled down, then framework is placed on to the outside of two guide assemblies;
4. the end face of the fixed head that removes of processing, make the thickness of the fixed head that removes be less than or equal to the connecting plate outer face to distance between the framework inner side end; Then again the fixed head processed is arranged between connecting plate and framework, and is fixed by bolts on connecting plate, adopt the mode of spot welding to be connected to the framework inboard fixed head;
5. put postwelding, the mode that adopts first symmetrical segmentation to weld again full weld is integrated fixed head and frame welding; And guide rail and connecting plate are welded together;
6. after having welded, the polishing of the solder joint between frock and guide rail is opened, frock is taken out between guide rail, complete the assembling of large-scale long guideway class component.
Further improvement of the present invention is: described guide rail is symmetrically arranged four, and the cross section of described frock is rectangular configuration, and four angles of rectangle arrange with the position of guide rail with apart from corresponding breach;
When step fastens two groups of guide assemblies and frock in 2., described becoming flexible with fastening bolt refers to the first loosening connection connecting plate of guide assembly bottom and the bolt of fixed head of being positioned at, after four unfilled corners of four guide rails and frock are fitted like a glove, then by loosening bolted;
Further improvement of the present invention is: step 1. in during preliminary assembling guide assembly, at first by fixed head along uniform being arranged on platform on the length direction of guide rail, and the fixed head point is affixed on platform;
Described frock and fixed head are evenly distributed on the length direction of guide rail; Perpendicularity and the depth of parallelism of four breach of every frock guarantee in 0.1mm when machining;
While being placed on platform by frock, first on platform, rule, then frock is placed on platform and while with line, overlapping, guaranteeing that the center line of each frock is straight line, then each part frock is spoted weld on platform.
Further improvement of the present invention is: when described step is placed framework in 3., all place the support iron that a thickness is not less than 20mm on the centre position of each stressed bottom surface and end positions at it, by the framework flying shore.
Owing to having adopted technique scheme, the technological progress that the present invention obtains is:
The invention provides the assemble method that a kind of large-scale long guideway class component guarantees linearity.This assemble method has changed existing methodical assembling sequence, at first will need the guide rail that guarantees linearity to be assembled, then guide rail integral body and the frame welding that will assemble, linearity is good.The final products that obtain like this, its guide rail has extraordinary linearity, can guarantee that travelling workpiece slides freely on guide rail, the security performance while greatly having improved truck-mounted drilling rig work.The method is economical and practical, simple to operation, has significantly improved production efficiency; And frock can repeated multiple timesly be used, and has reduced production cost.
The accompanying drawing explanation
Fig. 1 is the structural representation of long guideway class component of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the installation process schematic diagram of guide assembly and frock.
Wherein, 1, framework, 2, frock, 3, fixed head, 4, connecting plate, 5, guide rail.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further details:
The truck-mounted drilling rig mast frame that the length of take is 12m is example, truck-mounted drilling rig mast frame comprises framework 1, the cross section of framework 1 is trench structure, the grooved stile of framework is welded with guide assembly, guide assembly comprises the fixed head 3 on two grooved stiles that are welded on framework, be bolted some connecting plates 4 on the fixed head 3 of every side, guide rail 5 is arranged on connecting plate 4, as shown in Figure 1, 2.
The truck-mounted drilling rig mast of 12m sets up meter and requires to guarantee that linearity is in 3mm.Below elaborate its assemble method, comprise the following steps:
1. the assembly welding framework 1: framework 1 is large-scale rivet welding part, will guarantee during assembly welding framework 1 that the distance between two medial surfaces of the interior placement guide assembly of framework 1 meets the design size requirement.
Make frock 2: the cross section of frock 2 is rectangular configuration, and four angles of rectangle have four breach, and breach is corresponding with design attitude and the required distance of the guide rail 5 of mast frame; Need altogether in the present embodiment 19 frocks, perpendicularity and the depth of parallelism of four breach of every frock 2 all guarantee in 0.1mm when machining.
Preliminary assembling guide assembly:
Guide assembly consists of fixed head 3, connecting plate 4 and guide rail 5, as shown in Figure 1 and Figure 2; The two ends of described fixed head 3 have for bolted slotted hole, and guide rail 5 is four column type rod irons that are arranged symmetrically with.The process of preliminary assembling is: at first 38 fixed heads 3 are divided into to two groups, every group 19, by two groups of fixed heads 3 uniform being erected on platform in 12m length respectively, and all point is solid on platform by 38 fixed heads 3, require to guarantee that each piece fixed head 3 is all vertical with platform, and two groups of fixed heads lay respectively on straight line; Then, 76 connecting plates 4 are connected to the two ends up and down of 38 fixed heads 3 by bolt; Guide rail 5 is placed on connecting plate 4, guarantees the size conforms designing requirement between upper and lower two guide rails 5, by the spot welding mode, guide rail 5 and every connecting plate 4 are fixed; Then unclamp and bolt on all connecting plates 4 that wherein guide rail 5 is connected, by moving up and down of connecting plate 4 and guide rail 5, the distance between two guide rails 5 is adjusted into than the large 3mm of designing requirement size, and then by bolted; Finally, with emery wheel, fixed head 3 and the solder joint mill on platform are left, just obtain the guide assembly of two groups of preliminary assemblings.
2. select flatness good, length is more than or equal to the large platform of 12m.According to designing requirement, draw the theoretical size center line of framework 1, the dimension line of framework 1 medial surface and the position line of frock 2 on large platform, 19 frocks 2 are evenly distributed on the long center line of 12m.Then framework 1 is put on large platform by the line centering, and detects the distance between the inner side end of framework 1 on the position of 19 frocks, carry out mark on platform.After detection completes, framework 1 is hung to lower platform.
19 frocks, 2 opsition dependent lines vertically are placed on platform, and spot welding is fixed, and makes each part frock 2 all with platform, keep vertical; Then two groups of guide assemblies will tentatively assembling are buckled in the both sides of frock 2, make the side moved when 1. step regulates 5 relative size of guide rail be positioned at bottom; Then four guide rails 5 are placed on respectively in four breach of frock 2, first become flexible at the connecting plate 4 of guide assembly bottom and the bolt between fixed head 3, four unfilled corners of four guide rails and frock 2 are fitted like a glove, and then by loosening bolted; Finally the mode by spot welding is fixed to guide rail 5 on frock 2.
3. detect respectively the distance between two fixed head 3 outsides that are connected with same frock 2, and the distance between the inner side end of the framework 1 that step detects in same position in 2. compares, the fixed head 3 that is more than or equal to distance between framework 1 inner side end is all pulled down, and write sequence number, in order to avoid obscure the position of fixed head 3.
Distance between the outer face of the connecting plate 4 that the fixed head 3 of 4. surveying and disassembling matches and framework 1 inner side end, be the maximum ga(u)ge of the every fixed head disassembled 3, is marked at the back side of this fixed head 3.
According to above-mentioned measured result, the end face of the fixed head 3 that removes of processing, make the thickness of the fixed head 3 that removes be less than or equal to connecting plate 4 outer faces to distance between framework 1 inner side end; Then according to the sequence number of former establishment, will again the fixed head 3 processed be arranged between connecting plate 4 and framework 1, and be fixed by bolts on connecting plate 4.If the gap between some fixed head 3 and framework 1 inboard is larger, available lath paves.Then all adopt the mode of spot welding to be connected to framework 1 inboard fixed head 3.
5. put postwelding, the mode that adopts first symmetrical segmentation to weld again full weld is welded as a whole fixed head 3 and framework 1 inboard, guide rail 5 with connecting plate 4.After having welded, all solder joints between 19 frocks 2 and large platform are opened in polishing, by 180 ° of framework 1 integrated overturns that combine, continue all not weld seams of welding of welding, the method that also adopts first symmetrical segmentation to weld again full weld.
6. after having welded, the polishing of the solder joint between 19 frocks 2 and guide rail 5 is opened, frock 2, from taking out between guide rail 5, is completed to the assembling of large-scale long guideway class component.19 frocks 2 are reusable.
To process the linearity of large-scale long guideway class component detected, its linearity is 1.9mm, meets designing requirement.
When processed rail length is different, need to, according to the actual design requirement of product, the quantity of fixed head, connecting plate and frock suitably be adjusted.When the quantity of guide rail changes to some extent with the layout orientation, can to the pattern of frock, modify according to designing requirement.
Claims (4)
1. large-scale long guideway class component guarantees the assemble method of linearity, it is characterized in that: adopt following steps and technique to carry out:
1. assembly welding framework (1), and make frock (2) according to design attitude and the required distance of guide rail (5); The guide assembly that preliminary assembling consists of fixed head (3), connecting plate (4), guide rail (5);
The distance that will guarantee during assembly welding framework (1) to place in framework (1) between two medial surfaces of guide assembly meets the design size requirement;
On described frock (2), be provided with the position of guide rail (5) with apart from corresponding breach;
Described preliminary assembling guide assembly is at first each connecting plate (4) to be connected on fixed head (3) by bolt, then guide rail (5) is placed on to connecting plate (4) is gone up and by the spot welding mode, that guide rail (5) and each connecting plate (4) is fixing, to be connected and fixed again the bolted of plate (3) and connecting plate (4), form the guide assembly of preliminary assembling;
2. frock (2) vertically is placed on a platform, two groups of guide assemblies of tentatively assembling are buckled in to the both sides of frock (2), and by the bolt of loosening and fastening connecting plate (4) and fixed head (3), guide rail (5) is placed in the breach of frock (2), and then the mode by spot welding is fixed to guide rail (5) on frock (2);
3. detect respectively between two guide assemblies the distance be relatively fixed between plate (3) outside, the fixed head (3) that will be more than or equal to distance between framework (1) inner side end is pulled down, and then framework (1) is placed on to the outside of two guide assemblies;
4. the end face of the fixed head (3) that removes of processing, make the thickness of the fixed head (3) that removes be less than or equal to connecting plate (4) outer face to distance between framework (1) inner side end; Then again the fixed head (3) processed is arranged between connecting plate (4) and framework (1), and it is upper to be fixed by bolts to connecting plate (4), adopts the mode of spot welding to be connected to framework (1) inboard fixed head (3);
5. put postwelding, the mode that adopts first symmetrical segmentation to weld again full weld is welded as a whole fixed head (3) and framework (1); And guide rail (5) and connecting plate (4) are welded together;
6. after having welded, the polishing of the solder joint between frock (2) and guide rail (5) is opened, frock (2), from taking out between guide rail (5), is completed to the assembling of large-scale long guideway class component.
2. large-scale long guideway class component according to claim 1 guarantees the assemble method of linearity, it is characterized in that:
Described guide rail (5) is symmetrically arranged four, and the cross section of described frock (2) is rectangular configuration, and four angles of rectangle arrange with the position of guide rail (5) with apart from corresponding breach;
Step 1. in during preliminary assembling guide assembly, after guide rail (5) and each connecting plate (4) spot welding are fixed, unclamp the bolt that connects connecting plate (4) and fixed head (3), distance between the guide rail of two homonymies (5) is adjusted into than the large 3mm of designing requirement size, and then, by bolted, form the guide assembly of preliminary assembling;
When step fastens two groups of guide assemblies and frock (2) in 2., described becoming flexible with fastening bolt refers to the first loosening connection connecting plate (4) of guide assembly bottom and the bolt of fixed head (3) of being positioned at, after four unfilled corners of four guide rails and frock are fitted like a glove, then by loosening bolted.
3. according to the assemble method of claim 1 or the described large-scale long guideway class component assurance linearity of 2 any one, it is characterized in that:
Step 1. in during preliminary assembling guide assembly, at first by fixed head (3) along uniform being arranged on platform on the length direction of guide rail (5), and fixed head (3) point is affixed on platform;
Described frock (2) and fixed head (3) are evenly distributed on the length direction of guide rail (5); Perpendicularity and the depth of parallelism of four breach of every frock (2) guarantee in 0.1mm when machining;
While being placed on platform by frock (2), first on platform, rule, then frock (2) is placed on platform and while with line, overlapping, guaranteeing that the center line of each frock (2) is straight line, then each part frock (2) is spoted weld on platform.
4. large-scale long guideway class component according to claim 3 guarantees the assemble method of linearity, it is characterized in that: when described step is placed framework (1) in 3., all place the support iron that a thickness is not less than 20mm on the centre position of each stressed bottom surface and end positions at it, by framework (1) flying shore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310345249.1A CN103447707B (en) | 2013-08-08 | 2013-08-08 | Method for assembling large long guide rail assembly with guaranteed straightness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310345249.1A CN103447707B (en) | 2013-08-08 | 2013-08-08 | Method for assembling large long guide rail assembly with guaranteed straightness |
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| Publication Number | Publication Date |
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| CN103447707A true CN103447707A (en) | 2013-12-18 |
| CN103447707B CN103447707B (en) | 2015-06-17 |
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| CN201310345249.1A Expired - Fee Related CN103447707B (en) | 2013-08-08 | 2013-08-08 | Method for assembling large long guide rail assembly with guaranteed straightness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815813A (en) * | 2020-12-30 | 2021-05-18 | 宝鸡石油机械有限责任公司 | Multi-use-surface double-top-drive guide rail detection device and detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102656A1 (en) * | 1998-04-10 | 2001-05-30 | Arcmatic Integrated Systems, Inc. | Welding system and method |
| CN101693332A (en) * | 2009-10-29 | 2010-04-14 | 天津重钢机械装备股份有限公司 | Device for assembling double-beam crane tracks |
| CN201500869U (en) * | 2009-08-31 | 2010-06-09 | 中国北车集团大同电力机车有限责任公司 | Assembly welding clamping equipment of locomotive chassis longitudinal beams |
| CN201546631U (en) * | 2009-11-23 | 2010-08-11 | 石家庄煤矿机械有限责任公司 | Telescopic mast drill derrick |
| CN202639707U (en) * | 2012-06-05 | 2013-01-02 | 江苏普腾停车设备有限公司 | Welding fixture for assembly of C-shaped beam |
-
2013
- 2013-08-08 CN CN201310345249.1A patent/CN103447707B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102656A1 (en) * | 1998-04-10 | 2001-05-30 | Arcmatic Integrated Systems, Inc. | Welding system and method |
| CN201500869U (en) * | 2009-08-31 | 2010-06-09 | 中国北车集团大同电力机车有限责任公司 | Assembly welding clamping equipment of locomotive chassis longitudinal beams |
| CN101693332A (en) * | 2009-10-29 | 2010-04-14 | 天津重钢机械装备股份有限公司 | Device for assembling double-beam crane tracks |
| CN201546631U (en) * | 2009-11-23 | 2010-08-11 | 石家庄煤矿机械有限责任公司 | Telescopic mast drill derrick |
| CN202639707U (en) * | 2012-06-05 | 2013-01-02 | 江苏普腾停车设备有限公司 | Welding fixture for assembly of C-shaped beam |
Non-Patent Citations (1)
| Title |
|---|
| 郑小民: "超长无缝钢轨的焊接与安装", 《机电工程技术》, vol. 35, no. 3, 31 March 2006 (2006-03-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815813A (en) * | 2020-12-30 | 2021-05-18 | 宝鸡石油机械有限责任公司 | Multi-use-surface double-top-drive guide rail detection device and detection method |
| CN112815813B (en) * | 2020-12-30 | 2024-03-01 | 宝鸡石油机械有限责任公司 | Multi-use-surface double-top-drive guide rail detection device and detection method |
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