CN103231213A - Manufacturing method of high-altitude operation mechanical arm support - Google Patents
Manufacturing method of high-altitude operation mechanical arm support Download PDFInfo
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- CN103231213A CN103231213A CN2013101398026A CN201310139802A CN103231213A CN 103231213 A CN103231213 A CN 103231213A CN 2013101398026 A CN2013101398026 A CN 2013101398026A CN 201310139802 A CN201310139802 A CN 201310139802A CN 103231213 A CN103231213 A CN 103231213A
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Abstract
The invention relates to a manufacturing method of an aerial work mechanical arm support. The method has the characteristics of relative easiness in manufacturing, high production efficiency, good product quality and low cost. The technical scheme is as follows: a manufacturing method of an aerial work mechanical arm frame is sequentially carried out according to the following steps: 1) respectively manufacturing a side plate, a bottom plate and a top plate; 2) box body assembly; 3) welding an inner seam; 4) a top plate group box; 5) wrapping and forming; 6) manufacturing a shaft sleeve; 7) and (5) welding an outer seam.
Description
Technical field
The present invention relates to a kind of manufacture method of big machinery trunk, especially the manufacture method of work high above the ground machinery jib.
Background technology
Jib in work high above the ground such as concrete pump truck, the arm derrick crane machinery is the important component part of equipment, and its effect is to provide enough height to satisfy construction requirement for mass transport.Usually work high above the ground machinery has at least one joint jib, and other jib or the parts of the two ends of jib and equipment are hinged, with promote Operation Van highly or on request direction extend to the operating area.
The jib of concrete pump truck (as shown in Figure 1) is the strip steel member of the similar rectangle of cross section, reaches ten usually to tens of rice, and the length on the cross section and width also have nearly 1 meter; Thereby need to adopt a plurality of different steel members (steel plate that comprises surperficial clad welded) welding to form; Because the geometry of each steel member is bigger, to having relatively high expectations of processing equipment, has not only brought suitable difficulty to manufacturing, manufacturing cost also is difficult to reduce.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned background technology, the manufacture method of a kind of work high above the ground machinery jib be provided, this method should have make relatively easy, production efficiency is high, good product quality and lower-cost characteristics.
Technical scheme provided by the invention is: a kind of manufacture method of work high above the ground machinery jib, carry out according to the following steps successively:
1) makes side plate, base plate and top board respectively
Through punching out in advance and the big end of mach side plate and the splicing of side plate small end, form the side plate that is connected as a single entity by welding again;
Through punching out in advance and mach base plate front end, base plate middle-end and base plate rear end splicing, form the base plate that is connected as a single entity by welding again;
Through punching out in advance and mach top board front end, top board middle-end and the splicing of top board small end, form the top board that is connected as a single entity by welding again;
By welding, with a plurality of inner reinforced plate assemblies that weld being fixed as one through the part of preprocessing;
2) the casing group is right
Lie on the base plate positioning tool base plate and setting, then the inner reinforced plate assembly is placed on plate upper surface, then two side plate left and right symmetricallies are stood in inner reinforced plate assembly both sides, carry out spot welding again and make side plate, base plate and inner reinforced plate assembly form the semi-finished product that are connected as a single entity;
3) interior seam welding
The place, inboard slit that joins in twos between side plate, base plate and inner reinforced plate adopts welding fixing;
4) top board group case
Top board accurately is placed in completing steps 3) after the semi-finished product top, adopt electric welding that top board is fixed on the semi-finished product then;
5) wrapper sheet moulding
To top board one end and base plate two ends as yet not with the position of jib end inclusion, make it crooked and envelope the big small end head at jib two ends along the shape of jib end by high temperature and mechanical force, adopt the electric welding welding fixing then;
6) make axle sleeve
Cutting axis trepanning on the side plate of end, jib two ends embeds axle sleeve then in axle sleeve hole, then by the welding fixed hub;
7) outer seam welding
To between top board, base plate and the side plate in twos the outer surface slit of parts connecting part weld; Thereby complete.
Described step 2) the casing group to the time, two side plates adopt the side plate positioning tools to realize the location.
When described step 2) the casing group was to, step 4) top board group case, two side plates, base plate, gusset and top boards all adopted gantry sucker loop wheel machine material loading.
Described step 2) the casing group to the time, described two side plates all earlier carry out horizontal location at the side plate positioning tool, and fixed by a plurality of electromagnetic actuations on the side plate positioning tool, right latter two side plate is being driven by the side plate positioning tool and is rotating 90 degree symmetrically, docks and weld fixing by jacking dolly lifting base plate again.
During seam welding, by positioner the casing semi-finished product are turned over turnback earlier in the described step 3), then carry out artificial electric welding.
The invention has the beneficial effects as follows: because each parts such as side plate, base plate and top board adopt a plurality of less steel member welding to form, in each step, accurately locate assembling then, not only significantly reduced manufacture difficulty, guaranteed the quality of whole jib, and manufacture process can realize by production line, and then increased substantially production efficiency, reduced production cost.
Description of drawings
Fig. 1 is the perspective view of jib of the present invention.
Fig. 2 is the top board splicing schematic diagram among the present invention.
Fig. 3 is the side plate splicing schematic diagram among the present invention.
Fig. 4 is the base plate splicing schematic diagram among the present invention.
Fig. 5 is the assembling process schematic diagram that base plate, side plate and the gusset among the present invention is connected as a single entity.
Fig. 6 is the perspective view of the gusset among the present invention.
Fig. 7 is the top board assembling process schematic diagram among the present invention.
Fig. 8 is the main TV structure schematic diagram of the top board frock among the present invention.
Fig. 9 is the working state schematic representation of the top board frock among the present invention.
Figure 10 is the main TV structure schematic diagram of the base plate frock among the present invention.
Figure 11 is the working state schematic representation of the base plate frock among the present invention.
Figure 12 is the duty schematic perspective view of the side plate frock among the present invention.
Figure 13 is the main TV structure schematic diagram of the side plate positioning tool among the present invention.
Figure 14 is that view is looked on the left side of the side plate positioning tool among the present invention.
Figure 15 is the main TV structure schematic diagram of the jacking dolly among the present invention.
Figure 16 is the plan structure schematic diagram of the jacking dolly among the present invention.
Figure 17 is the working state schematic representation of the positioner among the present invention.
The specific embodiment
As shown in the figure, jib of the present invention is the strip steel member of the similar rectangle of cross section, and two ends are manufactured with respectively for hinged axle sleeve hole (hinge hole is equipped with axle sleeve).Its manufacture method, carry out according to the following steps successively:
1) makes side plate 2, base plate 3, top board 1 respectively
Because the length of side plate, base plate and top board reaches ten to tens of rice, need adopt less steel member to be spliced to form respectively.
Side plate wherein is by the big end 2-1 of side plate and side plate small end 2-2 be spliced (also can adopt the member more than 2 to be spliced to form); The big end of side plate and side plate small end all need through punching out in advance and machined, to meet design requirement; Seam alignment as shown in Figure 3 forms the side plate that is connected as a single entity by welding more then.For guaranteeing the joining quality between the big end of side plate and the side plate small end, enhance productivity, can adopt the side plate frock 12(shown in Figure 12); Figure 12 has shown the duty of side plate frock.
Above-described machined comprises plasma cutting, bending and other metal processing of adopting special equipment to carry out.
The inner reinforced plate assembly 5(that the present invention adopts is shown in Figure 6), be fixed as one by a plurality of part welding through preprocessing; This inner reinforced plate assembly is directly provided by upstream enterprise usually.
2) the casing group is right
Adopt gantry sucker loop wheel machine that base plate is lain in desired location on the base plate positioning tool (because base plate is curved surface, being connected the back mutually by a plurality of planes forms, need base plate positioning tool (being jacking dolly 16) to support so that each position of base plate forms differing heights, reach the standard of required curve form; Then by gantry sucker loop wheel machine inner reinforced plate is lifted to base plate, standing two side plate left and right symmetricallies in the inner reinforced plate both sides then and clamping about with inner reinforced plate (can adopt the side plate positioning tool to organize case, two side plates are located by the side plate positioning tool respectively, to guarantee curve form and the positional precision of side plate), last spot welding (recommending by Robot Spot Welding) is fixing, makes casing semi-finished product B(that side plate, base plate and inner reinforced plate formation is connected as a single entity as shown in Figure 5; The duty that has shown the jacking dolly among Figure 15, Figure 16);
When adopting 16 pairs of side plates of described side plate positioning tool to position, two side plates are placed on and carry out horizontal location on the side plate positioning tool about first, and fixed by a plurality of electromagnetic actuations on the side plate positioning tool, so latter two side plate is being driven by the side plate positioning tool and is rotating 90 degree symmetrically and (rotate around horizontally disposed axis respectively; This axis is parallel with the length direction of side plate), become Figure 13, state shown in Figure 14; Dock and weld fixing by jacking dolly lifting base plate again.
3) interior seam welding
The place, inboard slit that joins in twos between side plate, base plate and inner reinforced plate adopts welding fixing, carries out scarfing cinder paint then; Wherein during interior seam welding, the positioner by both sides clamps the half-finished two ends of casing (shown in Figure 17) respectively earlier, then the casing semi-finished product are turned over turnback (be that base plate turns to topmost, and the top uncovered fully down; Be beneficial to weld employee's operation, be conducive to scarfing cinder simultaneously), then carry out artificial electric welding.
4) top board group case
Casing semi-finished product after welding is finished return turnback and return to up position of top board; Adopt gantry sucker loop wheel machine then, top board accurately is placed in casing semi-finished product top through paint, adopt spot welding top board to be fixed on the casing semi-finished product (structure behind the group case as shown in Figure 7) again.
5) wrapper sheet moulding
Because the jib two ends are the hinged end that is shaped on hinge hole, the end is the face of cylinder that bus is parallel to horizontal plane; And be fixed on the top board on casing semi-finished product top through step 4), two ends be the plane and extend in outer not with the half-finished two ends of casing inclusion; Equally, the base plate two ends also be the plane and extend in outer not with the half-finished two ends of casing inclusions (shown in Figure 7); All need to solve by the wrapper sheet molding procedure.
Concrete production method is to carry out the high temperature heating, makes the base plate bending two ends and envelopes the big small end head at jib two ends, adopts the electric welding welding fixing then; The two ends of top board are so processing too.Processing mode, can adopt the heating of welding gun high temperature on one side, the mode that knock with hammer on one side, perhaps adopt intermediate frequency heater heating, mechanical compression to carry out crooked mode, make top end and base plate two ends crooked and envelope the big small end head at jib two ends along the shape of jib end, adopt electric welding welding fixing (structure after the processing as shown in Figure 1) at last.
6) make axle sleeve
At the side of the big small end head in jib two ends cutting (i.e. cutting respectively on the side plate in both sides) axle sleeve hole 2-5, in axle sleeve hole, inlay axle sleeve then, then electricity consumption solid welding dead axle cover (omission of figure bottom bracket axle);
7) outer seam welding
To between top board, base plate and the side plate in twos the outer surface slit of parts connecting part weld and make it fixing; This operation adopts the electric welding robot to finish.
Claims (5)
1. the manufacture method of work high above the ground machinery jib, carry out according to the following steps successively:
1) makes side plate (2), base plate (3) and top board (1) respectively
Through punching out in advance and the big end of mach side plate (2-1) and side plate small end (2-2) splicing, form the side plate that is connected as a single entity by welding again;
Through punching out in advance and mach base plate front end (3-2), base plate middle-end (3-1) and base plate rear end (3-3) splicing, form the base plate that is connected as a single entity by welding again;
Through punching out in advance and mach top board front end (1-2), top board middle-end (1-1) and top board small end (1-3) splicing, form the top board that is connected as a single entity by welding again;
By welding, with a plurality of inner reinforced plate assemblies that weld being fixed as one through the part of preprocessing;
2) the casing group is right
Lie on the base plate positioning tool base plate and setting, then inner reinforced plate assembly (5) is placed on plate upper surface, then two side plate left and right symmetricallies are stood in inner reinforced plate assembly both sides, carry out spot welding again and make side plate, base plate and inner reinforced plate assembly form the semi-finished product that are connected as a single entity;
3) interior seam welding
The place, inboard slit that joins in twos between side plate, base plate and inner reinforced plate adopts welding fixing;
4) top board group case
Top board accurately is placed in completing steps 3) after the semi-finished product top, adopt electric welding that top board is fixed on the semi-finished product then;
5) wrapper sheet moulding
To top board one end and base plate two ends as yet not with the position of jib end inclusion, make it crooked and envelope the big small end head at jib two ends along the shape of jib end by high temperature and mechanical force, adopt the electric welding welding fixing then;
6) make axle sleeve
Cutting axis trepanning (2-5) on the side plate of end, jib two ends embeds axle sleeve then in axle sleeve hole, then by the welding fixed hub;
7) outer seam welding
To between top board, base plate and the side plate in twos the outer surface slit of parts connecting part weld; Thereby complete.
2. the manufacture method of work high above the ground according to claim 1 machinery jib is characterized in that described step 2) the casing group to the time, the deployment of two side plates employing side plate in place positioning tool is realized the location.
3. the manufacture method of work high above the ground according to claim 2 machinery jib is characterized in that described step 2) the casing group is during to, step 4) top board group case, and two side plates, base plate, gusset and top boards all adopt gantry sucker loop wheel machine material loading.
4. according to the manufacture method of claim 2 or 3 described work high above the ground machinery jibs, it is characterized in that described step 2) the casing group to the time, described two side plates all earlier carry out horizontal location at side plate positioning tool (12), and fixed by a plurality of electromagnetic actuations on the side plate positioning tool, right latter two side plate is being driven by the side plate positioning tool and is rotating 90 degree symmetrically, docks and weld fixing by jacking dolly (16) lifting base plate again.
5. the manufacture method of work high above the ground according to claim 4 machinery jib when it is characterized in that in the described step 3) seam welding, is turned over turnback by positioner (17) with the casing semi-finished product earlier, then carries out artificial electric welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139802.6A CN103231213B (en) | 2013-04-19 | 2013-04-19 | Manufacturing method of high-altitude operation mechanical arm support |
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| CN201310139802.6A CN103231213B (en) | 2013-04-19 | 2013-04-19 | Manufacturing method of high-altitude operation mechanical arm support |
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| CN103231213A true CN103231213A (en) | 2013-08-07 |
| CN103231213B CN103231213B (en) | 2015-05-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774481A (en) * | 2017-10-13 | 2018-03-09 | 江苏捷帝机器人股份有限公司 | A kind of large arm of arc and its paint-spray robot of processing technology |
| CN108465965A (en) * | 2018-03-25 | 2018-08-31 | 湖南响箭重工科技有限公司 | A kind of babinet assembly welding technique |
| CN109454353A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | Method for manufacturing box-type arm support for overhead operation |
| CN112810732A (en) * | 2021-02-07 | 2021-05-18 | 中联重科股份有限公司 | Manufacturing method of upper box body of pump truck underframe |
| CN113275844A (en) * | 2021-06-09 | 2021-08-20 | 深圳市精创科技有限公司 | Manufacturing process of lower arm to be bent and auxiliary tool thereof |
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| JP2004108019A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Constr Mach Co Ltd | Working arm of construction machine and its manufacturing method |
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| CN202706568U (en) * | 2012-05-31 | 2013-01-30 | 三一重工股份有限公司 | Arm section, cantilever device and engineering machinery |
| CN102900235A (en) * | 2012-09-19 | 2013-01-30 | 三一重工股份有限公司 | Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment |
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Patent Citations (5)
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| JP2004108019A (en) * | 2002-09-19 | 2004-04-08 | Hitachi Constr Mach Co Ltd | Working arm of construction machine and its manufacturing method |
| US20060113741A1 (en) * | 2004-12-01 | 2006-06-01 | Chalin Thomas N | Suspension system having high strength arm to axle connection |
| CN102587668A (en) * | 2012-03-09 | 2012-07-18 | 三一重工股份有限公司 | Tensile beam, arm support and pump truck |
| CN202706568U (en) * | 2012-05-31 | 2013-01-30 | 三一重工股份有限公司 | Arm section, cantilever device and engineering machinery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774481A (en) * | 2017-10-13 | 2018-03-09 | 江苏捷帝机器人股份有限公司 | A kind of large arm of arc and its paint-spray robot of processing technology |
| CN108465965A (en) * | 2018-03-25 | 2018-08-31 | 湖南响箭重工科技有限公司 | A kind of babinet assembly welding technique |
| CN109454353A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | Method for manufacturing box-type arm support for overhead operation |
| CN112810732A (en) * | 2021-02-07 | 2021-05-18 | 中联重科股份有限公司 | Manufacturing method of upper box body of pump truck underframe |
| CN112810732B (en) * | 2021-02-07 | 2022-05-17 | 中联重科股份有限公司 | Manufacturing method of upper box body of pump truck underframe |
| CN113275844A (en) * | 2021-06-09 | 2021-08-20 | 深圳市精创科技有限公司 | Manufacturing process of lower arm to be bent and auxiliary tool thereof |
| CN113275844B (en) * | 2021-06-09 | 2022-05-31 | 深圳市精创科技有限公司 | Manufacturing process of lower arm to be bent and auxiliary tool thereof |
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| CN103231213B (en) | 2015-05-13 |
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Address after: Five 311232 Hangzhou Road, Zhejiang province Xiaoshan economic and Technological Development Zone No. 6 Hui Ken Applicant after: Hangzhou Science and Technology Ltd. of Kai Erda robot Address before: Five 311232 Hangzhou Road, Zhejiang province Xiaoshan economic and Technological Development Zone No. 6 Hui Ken Applicant before: Hangzhou Kaierda Robot Technology Company Limited |
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Address after: Five 311232 Hangzhou Road, Zhejiang province Xiaoshan economic and Technological Development Zone No. 6 Hui Ken Patentee after: Hangzhou Kaierda Robot Technology Company Limited Address before: Five 311232 Hangzhou Road, Zhejiang province Xiaoshan economic and Technological Development Zone No. 6 Hui Ken Patentee before: Hangzhou Science and Technology Ltd. of Kai Erda robot |
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Address after: No. 778, Changming Road, hongken farm, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang 311215 Patentee after: Hangzhou kelda welding robot Co.,Ltd. Address before: No. 6, kenhui fifth road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang 311232 Patentee before: HANGZHOU KAIERDA ROBOT TECHNOLOGY Co.,Ltd. |