CN102581536A - Single boom section forming tool and single boom section production process of crane boom - Google Patents
Single boom section forming tool and single boom section production process of crane boom Download PDFInfo
- Publication number
- CN102581536A CN102581536A CN2012100603283A CN201210060328A CN102581536A CN 102581536 A CN102581536 A CN 102581536A CN 2012100603283 A CN2012100603283 A CN 2012100603283A CN 201210060328 A CN201210060328 A CN 201210060328A CN 102581536 A CN102581536 A CN 102581536A
- Authority
- CN
- China
- Prior art keywords
- joint
- single armed
- location
- seat
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 57
- 238000000465 moulding Methods 0.000 claims description 77
- 238000003466 welding Methods 0.000 claims description 59
- 238000005516 engineering process Methods 0.000 claims description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 20
- 210000005069 ears Anatomy 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 14
- 238000013461 design Methods 0.000 abstract description 7
- 239000000047 product Substances 0.000 description 9
- 239000013067 intermediate product Substances 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 7
- 239000003973 paint Substances 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The invention provides a single boom section forming tool of a crane boom and a single boom section production process. The single boom section forming tool for the crane boom comprises a boom support part, wherein the boom support part supports a boom forming boom section (100) by enabling two lower chords (106) of the boom section (100) supporting the crane boom to face the surface of an upper chord (105); and joint positioning portions for positioning the respective joints of the arm sections (100). The upper plane of the lower chord member is used as the positioning plane when the joint is assembled and welded, so that the problem that the positioning reference selected by the vertical positioning and clamping device of the tool in the prior art is not consistent with the product design reference is solved, the positioning heights of the lower chord members with different sections are not required to be adjusted, and the tool is convenient to use.
Description
Technical field
The present invention relates to the hoisting machinery field, more specifically, relate to the single armed joint moulding frock and the single armed joint production technology of crane arm.
Background technology
Along with society constantly develops; The manufacturing firm of derrick crane is more and more, the competition more and more fierce, and the production of derrick crane must be to low cost; High production capacity, high efficiency development, thereby each parts of derrick crane field comprise that the production technology of crane arm arm joint and technology face new challenge.
The single armed of jib for tower crane joint production process is following in the prior art:
1, goes up the lower boom frock with lower boom and female joint welding.
2, go up whole pendulum welder and adorn 200 ' with upper and lower chord member and web member welding, as shown in Figure 1, wherein the arm of crane arm joint 100 ' only welds an end female joint.
3, the splice grafting head is as shown in Figure 2, and the two joint crane arms joints 100 ' that will be connected are docile and obedient preface and are connected together, regulate two joint arms joints 100 ' linearity, go up set-back and play movement after, join the weldering male joint separately.
4, welding point is gone up the butt joint of welding rotary tooling with the arm joint 100 ' that combines each corresponding joint and is welded.
5, close arm, as shown in Figure 3, each arm joint 100 ' coupled together through bearing pin form whole crane arm.
6, school arm through cooling off after the flame heat, produces and shrinks, and proofreaies and correct the linearity of crane arm, last set-back and play movement.
7, tear zero open, the arm joint 100 ' of each crane arm behind high-ranking officers' arm splits.
8, the joint of the arm after will splitting 100 ' is gone up gathering chain.
9, arm joint 100 ' is painted, form the final products of arm joint 100 '.
The single armed of jib for tower crane joint production technology has following shortcoming in the above prior art:
1, to wait next joint arm joint to accomplish after the welding of the arm of every joint crane arm joint is accomplished and just can carry out splice grafting head process; Wait all arm joint completion of crane arm just can close arm; Make to take a large amount of production spaces by a large amount of semi-finished product of stock on the production line, shared place surpasses 40% of total amount.
2, the single armed of crane arm joint complex manufacturing join weldering connector inconvenience, and structural member welding deformation problem is serious.
3, the arm joint number amount of gathering chain is many on the single, influences productive temp.
4, production line is long, and operating personnel's quantity is many, workman's amount of labour is big, intensity is high, production efficiency is low and product does not possess interchangeability.
The single armed of the crane arm joint frock that production technology was equipped with has following shortcoming in the prior art:
1, the formed tetragonal diagonal in center, hole because of four connector positioning seats of the arm of crane arm joint lower edge requires isometric; The positional precision of four connector positioning seats of the frock that prior art is equipped with leans on manual work when frock is installed, to regulate; Be difficult to reach the frock designing requirement; So join weldering when the male joint of crane arm arm joint need be closed arm, close arm and join that weldering arm joint male joint work efficiency is low, occupied ground big and product does not possess interchangeability.
2, the positioning reference selected of frock perpendicular positioning clamping device does not conform to the product design benchmark, and design basis is plane on the lower boom, and its location of the lower boom of different cross section is highly different needs to regulate the location height, uses inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of single armed joint moulding frock and single armed joint production technology that improves the production efficiency of crane arm arm joint.
The invention provides a kind of single armed joint moulding frock of crane arm, comprising: the jib support portion, two lower booms that save through the arm that supports said crane arm support the jib of forming the arm joint towards the surface of top boom; Joint location portion is used for each joint of said arm joint is positioned.
Further, said joint location portion comprises: the positioning seat bracing frame, and two said positioning seat bracing frames relatively are provided with; The joint location of winding up seat, a plurality of joint location seats that wind up are arranged at respectively on the corresponding positioning seat bracing frame, are used to locate the joint that winds up of the arm joint of crane arm; Lower edge joint location seat, a plurality of lower edge joint location seats are arranged at respectively on the corresponding positioning seat bracing frame, are used to locate the lower edge joint of said arm joint, and said lower edge joint location seat is positioned at the top of the said joint location seat that winds up.
Further, said single armed joint moulding frock also comprises: pedestal comprises first end and second end; Two said positioning seat bracing frames relatively are arranged on first end and second end of said pedestal.
Further, said jib support portion is the lower boom limit assembly that is arranged on each said lower edge joint location seat, and said lower boom limit assembly supports the respective end of the lower boom of said jib.
Further, said single armed joint moulding frock also comprises the jib positioning seat, and said jib positioning seat is used for said jib is carried out the location of horizontal direction.
Further, said jib positioning seat comprises: supporter; Locating piece is fixedly set in said supporter top.
Further, said pedestal comprises locating groove, and said positioning seat bracing frame positions with respect to said pedestal through corresponding locating groove.
Further; Said pedestal is a rectangle; Comprise that branch is located at four pedestal location-plates in four bights of said pedestal; Each said pedestal location-plate upwards forms positioning convex along the outer rim of the long side direction of said pedestal, two said positioning convex of first end of said pedestal and said draw-in groove of each self-forming of two said positioning convex of second end; Said positioning seat bracing frame comprises base plate, and said base plate is positioned at corresponding said draw-in groove and is provided with ordinatedly with corresponding draw-in groove.
Further, each said joint location seat that winds up is fixed on the corresponding positioning seat bracing frame with each said lower edge joint location seat, and positions with respect to corresponding positioning seat bracing frame through alignment pin.
Further; Each said joint location seat that winds up comprises the location seat board with each said lower edge joint location seat; Said location seat board comprises location trepanning and the positioning sleeve that is arranged in the trepanning of said location; Have pin shaft hole on the said positioning sleeve, corresponding joint is connected on the seat board of said location through bearing pin.
Further, said positioning sleeve selectively be set to concentric locating cover or with the corresponding eccentric positioning sleeve of location seat board.
Further, the said joint location seat that winds up comprises wind up an ears plate positioning seat and the monaural plate positioning seat that winds up; Said lower edge joint location seat comprises two lower edge male joint positioning seats and two lower edge female joint positioning seats.
Further, said ears plate positioning seat and the said lower edge male joint positioning seat of winding up is arranged on the said positioning seat bracing frame; Said monaural plate positioning seat and the said lower edge female joint positioning seat of winding up is arranged on another said positioning seat bracing frame.
The present invention also provides a kind of single armed joint production technology of crane arm, comprising: whole pendulum welder preface, load onto the required parts of whole pendulum weldering to form the jib of the arm joint of forming said crane arm integral body pendulum welder; Single armed joint molding procedure connects said jib and forms the required joint of said arm joint on single armed joint moulding frock, said single armed joint moulding frock be according to claim in each described single armed save moulding frock.
Further, said jib comprises a top boom and two lower booms, and at an end welding point of the top boom that forms said jib, the other end is welding point not, equal welding point not at the two ends of two lower booms that form said jib.
Further, in said whole pendulum welder preface, the end faces with an end homonymy said top boom welding point two said lower booms are close to locating surface, and make said end face in single armed joint molding procedure and between the corresponding joint, can form weld seam.
Further, in said whole pendulum welder preface, it is concordant with the location basal plane of the corresponding lower boom supporting seat of said whole pendulum welder dress respectively to form plane on four ends of square tube of two said lower booms.
Further; In said whole pendulum welder preface, connect top boom welding point one end of said top boom and two said lower booms two side brace, is connected straight web member at the bottom of two of outermost end of two said lower booms, the said top boom of connection and lower boom top boom not the placement of two diagonal web members of welding point one end all be no more than the square tube termination of corresponding lower boom.
Further, in said single armed joint molding procedure, the joint that makes said top boom two ends is with respect to the joint location seat centering of winding up accordingly, and the distance of pin-and-hole center line of two joints separately of two said lower booms is equated.
Further, in said single armed joint molding procedure, make two said lower booms square tube four ends lateral surface and towards the side of top boom with the joint corresponding side surface is concordant accordingly.
Single armed joint moulding frock according to crane arm of the present invention; Owing to be plane of orientation during the assembly welding joint with plane on the lower boom; Thereby overcome the problem that positioning reference that prior art frock perpendicular positioning clamping device selects and product design benchmark do not conform to; And its location of the lower boom of different cross section highly need not to regulate, and is easy to use.In the single armed of crane arm joint production technology, use single armed joint moulding frock of the present invention can also enhance productivity, improve arm joint quality, save and make the place, make the arm joint possess interchangeability.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples and explanation thereof are used to explain the present invention among the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of crane arm arm joint in integral body pendulum welder dress in the prior art single armed joint production technology;
Fig. 2 is the structural representation of crane arm arm joint when the splice grafting head in the prior art single armed joint production technology;
Fig. 3 is the structural representation of crane arm arm joint when closing arm in the prior art single armed joint production technology;
Fig. 4 is according to the structural representation of crane arm arm joint when only the ears plate is winded up in installation in the single armed joint production technology of the present invention;
Fig. 5 is according to the partial structurtes sketch map of crane arm arm joint lower edge female joint side in integral body pendulum welder dress in the single armed joint production technology of the present invention;
Fig. 6 is the structural representation according to crane arm arm joint lower edge female joint in the single armed joint production technology of the present invention;
Fig. 7 is the plan structure sketch map of Fig. 6;
Fig. 8 is the structural representation according to crane arm arm joint lower edge male joint in the single armed joint production technology of the present invention;
Fig. 9 is the plan structure sketch map of Fig. 8;
Figure 10 is the structural representation that saves the monaural plate that winds up according to crane arm arm in the single armed joint production technology of the present invention;
Figure 11 is according to the structural representation of crane arm arm joint in single armed joint moulding frock in the single armed joint production technology of the present invention;
Figure 12 is the plan structure sketch map of Figure 11;
Figure 13 is the crane arm arm joint structural representation according to single armed joint production technology center tap assembled of the present invention;
Figure 14 is the plan structure sketch map of Figure 13;
Figure 15 is according to the structural representation of crane arm arm joint in the welding rotary tooling in the single armed joint production technology of the present invention;
Figure 16 is the perspective view according to the single armed joint moulding frock of crane arm of the present invention;
Figure 17 is the pedestal master TV structure sketch map according to the single armed joint moulding frock of crane arm of the present invention;
Figure 18 is the perspective view according to the connection supports frame of the single armed joint moulding frock of crane arm of the present invention;
Figure 19 is the main TV structure sketch map according to the connection supports frame of the single armed joint moulding frock of crane arm of the present invention;
Figure 20 is the plan structure sketch map of Figure 19; And
Figure 21 is the main TV structure sketch map according to the located lateral frame of the single armed joint moulding frock of crane arm of the present invention.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment to specify the present invention.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
The flow process of the single armed of crane arm joint production technology is following in the present embodiment: blanking → integral body pendulum weldering → welding jib → single armed joint moulding → welding point → last gathering chain → paint.
Wherein, the welding jib is that the jib intermediate products after the pendulum weldering combination are welded.
In the welding point operation, shown in figure 15, will save in the molding procedure arm joint intermediate products after jib and joint carried out backing welding at single armed and send into 400 butt joints of rotating welding frock and weld to form arm joint 100.The process of welding point adopts existing welding rotary tooling 400, welding the center of welding rotary tooling 400 of need controlling well when rotary tooling 400 designs, utilizes manual work that arm is saved 100 during welding point and is rotated.
In last gathering chain operation, the joint of the arm behind the welding point 100 is directly delivered to gathering chain.
The single armed joint production technology of present embodiment is separated welding deformation; Operation is divided thin, makes a single armed joint of the arm joint moulding of crane arm, single armed joint moulding promptly cancellation arm joint splice grafting head process; Disposal molding after the arm joint joint welding of crane arm is accomplished; Postwelding arm joint is directly gone up gathering chain, paint, has cut the splice grafting head, closes arm, each operation of school arm, enhances productivity.
Below the master operation in the single armed joint production technology of the crane arm of present embodiment " whole pendulum weldering " and " moulding of single armed joint " are elaborated.
One, whole pendulum weldering
The purpose of whole pendulum welder preface is not promptly accomplished the jib of welding as yet for obtaining the jib intermediate products.As shown in Figure 4, the jib of present embodiment and finished product arm joint 100 is only compared the assembly welding ears plate 101 that winds up, and not assembly welding lower edge male joint 103, lower edge female joint 104 and the monaural plate 102 that winds up.Jib is formed by a top boom 105, two lower booms 106, the skew back web member 108 that connects top boom 105 and lower boom 106, the side brace 107 that is connected wind up ears plate 101 and lower boom 106, straight web member 109 in the end and end diagonal web member 110 assembly weldings that are connected two lower booms 106.
Behind the down good crane arm arm joint material requested, whole pendulum welder on each parts of forming jib is adorned 200 pendulum be welded into assembly.
For utilizing existing frock, reduce the waste of existing frock, whole pendulum welder preface adopts existing whole pendulum welder dress as shown in Figure 1, and in order to adapt to the single armed joint production technology of present embodiment, existing whole pendulum welder has been pretended the adaptive improvement of part.
As shown in Figure 5; Whole pendulum welder adorns in 200 and has connected landing nipple 261 through bearing pin 250 on original lower boom supporting seat 240; Between the corresponding end-faces of the public access head end end face of lower boom 106 and landing nipple 261, placed location backing plate 262, backing plate 262 the face down surface of chord member 106 public access head end end faces in location is locating surface.Thereby can realize the accurate location of the public access head end of two lower booms 106, reserve joint welding accurately simultaneously.
In order in follow-up single armed joint molding procedure, to realize jib, keep adorning location the basal plane 241 concordant and clamping and positioning of 200 corresponding lower boom supporting seat 240 as plane on four ends of two square tubes of lower boom 106 side of top boom 105 (promptly towards) with the whole welder of pendulum in accurate location longitudinally.
In addition; In order to reduce welding deformation; In the present embodiment, the placement of two diagonal web members 108 that connects the monaural plate end that winds up of two side brace 107 of the ears plate end that winds up of top boom 105 and two lower booms 106, the connection top boom 105 that is connected straight web member 109, the rightmost side at the bottom of outermost two of two lower booms 106 and lower boom 106 is no more than the square tube termination of lower boom 106.
Two, single armed joint moulding
In single armed joint molding procedure; Be equipped with special-purpose single armed joint moulding frock 300; In the description of single armed joint molding procedure; Only the use and the corresponding construction of related single armed joint moulding frock 300 are explained that other concrete structure of single armed joint moulding frock 300 will special in the back description.
Six key points of major control crane arm arm joint in the single armed joint molding procedure (being lower boom four joints that connect and two otic placodes that are connected with top boom).
Jib shown in Figure 4, Fig. 6 lower edge female joint 104, Fig. 8 lower edge male joint 103 and monaural plate 102 that winds up shown in Figure 10 extremely shown in Figure 9 extremely shown in Figure 7 are inserted Figure 11 respectively to single armed joint moulding frock 300 shown in Figure 12; Location and assembly welding jib and each joint finally form Figure 13 to complete arm joint 100 shown in Figure 14.In the present embodiment, the monaural plate 102 that winds up is arranged at top boom 105 right sides, and lower edge male joint 103 is arranged at lower boom 106 left sides, and lower edge female joint 104 is arranged at lower boom 106 right sides.
The ears plate 101 that winds up has welded during jib in welding,, is fixed in the ears plate positioning seat 350 that winds up of single armed joint moulding frock 300 to shown in Figure 12 like Figure 11 through the bearing pin ears plate 101 that will wind up, thereby with the position location of jib at length direction.And jib relies on four the jib positioning seats 330 that are arranged on the pedestal 310 to realize in horizontal location.
The ears plate positioning seat 350 that winds up comprises the location seat board with through hole of pair of parallel setting; Insert the interior eccentric positioning sleeve of through hole of a pair of location seat board respectively; The ears plate 101 that winds up is arranged between two eccentric positioning sleeves; And be connected on the seat board of location, thereby the centering of the ears plate 101 of having realized winding up with the bearing pin ears plate 101 that will wind up.There is the gap if wind up between ears plate 101 and the eccentric positioning sleeve, can uses voussoir to assist and carry out centering.Wherein, eccentric positioning sleeve can adopt the concentric locating cover to replace as required.Through under different situations, selecting eccentric positioning sleeve or concentric locating cover for use, can adapt to the needs of the arm joint of diverse location in the crane arm.
The monaural plate positioning seat 370 that winds up comprises the location seat board with through hole of pair of parallel setting; Insert the interior concentric locating cover of through hole of a pair of location seat board respectively; The monaural plate 102 that winds up is arranged between the seat board of a pair of location; And be connected on the seat board of location with the bearing pin monaural plate 102 that will wind up, in the space of the both sides of the monaural plate 102 that winds up, can respectively insert a centering cushion block, thus the centering of the monaural plate 102 of realizing winding up.
Single armed joint moulding frock 300 has also comprised two lower edge female joint positioning seats 360 and two lower edge male joint positioning seats 340; Through two lower edge female joint positioning seats 360 and 340 pairs of corresponding joint location of two lower edge male joint positioning seats, can realize easily that the distance of pin-and-hole center line of two joints separately of two lower booms 106 equates.
Adopt present embodiment single armed joint moulding frock 300 to overcome to close arm in the prior art and join the problem of welding male joint.Also need not linearity and last set-back through school arm process control crane arm.
Lower edge female joint positioning seat 360 comprises the location seat board with through hole of pair of parallel setting; Insert the interior positioning sleeve of through hole of a pair of location seat board respectively; Lower edge female joint 104 is arranged between the seat board of a pair of location; And with bearing pin with lower edge female joint 104 be connected in the location seat board on, thereby the location of having realized lower edge female joint 104.Lower edge female joint 104 lateral surfaces should be concordant with the lateral surface of the square tube of lower boom 106.The lower boom 106 usefulness lower boom limit assemblies 380 of jib are carried out the location of above-below direction.
Being connected between the connection between lower edge male joint 103 and the lower edge male joint positioning seat 340 and locate mode and lower edge female joint 104 and the lower edge female joint positioning seat 360 is identical with locate mode, no longer describes at this.
Need to prove that the positioning sleeve of lower edge male joint positioning seat 340 and lower edge female joint positioning seat 360 can be according to the arm selected parts of different cross section with corresponding eccentric positioning sleeve or select the concentric locating cover for use.The arm joint of different cross section is controlled the distance of the center, hole of winding up of crane arm arm joint to the last plane of lower edge through match eccentric positioning sleeve or concentric locating cover for the positioning seat of each lower edge joint.Wherein, it is different to center, lower edge hole that each crane arm arm saves the center, hole of winding up, but the center, hole of winding up is identical to the distance on the last plane of lower edge.
Can know through above description; Owing to be plane of orientation during the assembly welding joint with plane on the lower boom; Thereby overcome the problem that positioning reference that prior art frock perpendicular positioning clamping device selects and product design benchmark do not conform to; And its location of the lower boom of different cross section highly need not to regulate, and is easy to use.
The arm that welds joint intermediate products after the combination that in single armed joint molding procedure, forms also need welding rotary tooling 400 to carry out the welding of top boom male joint 102, lower edge male joint 103, lower edge female joint 104, promptly get into the welding point operation.
The single armed joint production technology of present embodiment is divided operation thin, with whole pendulum weldering of the jib of crane arm and joint welding multistep molding.Welding deformation is disperseed, the welding deformation of crane arm arm joint is effectively controlled: through the width of integral body pendulum welder preface control crane arm; Linearity and last set-back through single armed joint molding procedure control crane arm make two lower edges isometric; Rationally arrange assembly welding order and welding sequence; Anti-deformation and reversible deformation position correctly are set.Once realize the moulding of single armed joint, directly go up gathering chain, paint behind the welding point, cut the splice grafting head, close arm, school arm operation, improved the rate of coming into force.
Below will combine Figure 16 to Figure 21 that the single armed joint moulding frock 300 that above single armed saves the present embodiment that uses in the production technology is described.
Shown in figure 16, single armed joint moulding frock 300 comprises rectangular pedestal 310, be separately positioned on the positioning seat bracing frame 320 at pedestal 310 two ends, be arranged at two lower edge male joint positioning seats 340 and ears plate positioning seat 350 that winds up on the left end positioning seat bracing frame 320, be arranged at wind up monaural plate positioning seat 370 and be arranged at four jib positioning seats 330 between two positioning seat bracing frames 320 of two lower edge female joint positioning seats 360 and on the right-hand member positioning seat bracing frame 320.Two lower edge male joint positioning seats 340 are positioned at ears plate positioning seat 350 tops of winding up, and two lower edge female joint positioning seats 360 are positioned at monaural plate positioning seat 370 tops of winding up.Like this plane is set on the square tube that can make lower boom 106 as locating surface, thereby overcome the problem that positioning reference that prior art frock perpendicular positioning clamping device selects and product design benchmark do not conform to.Single armed joint moulding frock 300 has also comprised four lower boom limit assemblies 380 of four ends of two lower booms that are used for supporting respectively jib, so that lower boom 106 is also promptly positioned the above-below direction of jib.Wherein, on each lower edge female joint positioning seat 360 and the lower edge male joint positioning seat 340 a lower boom limit assembly 380 is set all.
Shown in figure 17; Pedestal 310 is an overall structure; Comprise upper cover plate 313, lower cover 316, be arranged between upper cover plate 313 and the lower cover 316 vertical riser 312 and laterally riser 315, respectively be arranged at 313 4 bights of upper cover plate pedestal location-plate 311, be arranged at the bedplate 314 of lower cover 316 bottoms and be arranged at respectively on the upper cover plate 313 and between the two pedestal location-plates 311 in left side and the two pedestal location-plates 311 in right side between two in the middle of seat boards.Wherein from purposes such as economical with materials, the middle part of upper cover plate 313 and lower cover 316 has hole, and correspondingly, the vertical riser 312 of polylith has the different length that adapts to upper cover plate 313 and lower cover 316 shapes with horizontal riser 315.Wherein, Four pedestal location-plates 311 have positioning convex upwards along the outer rim of the long side direction of pedestal 310; Form draw-in groove between the positioning convex of two in left side or two the pedestal location-plates 311 in right side among the figure, draw-in groove is used for the positioning seat bracing frame 320 of a corresponding side is positioned.
Shown in Figure 18 to 20, support vertical rod 324, cross bar 325, bracing diagonal 326 and knightheads 329 by many and formed the rectangular frame structure that a upper middle position has down trapeze cut.The facade that each positioning seat is set in frame structure is provided with support panel 321, and the relevant position on the support panel 321 is provided with screwed hole and the dowel hole that each positioning seat is installed.In the following description, claim the front with the facade that each positioning seat is set of frame structure, the one side relative with the front is called the back side.On the bottom surface of frame structure, be provided with base plate 323.End face in frame structure is provided with two top top boards 322 respectively.On the end face at the place of falling the trapeze cut, also be provided with middle part top board 327.The position that between each rod member at the back side of frame structure, is welded to each other all is provided with a stiffener 328.
Shown in figure 16; Positioning seat bracing frame 320 is after in place on the pedestal 310; The limit in the frame structure two sides of base plate 323 is stuck between the machined draw-in groove that the positioning convex of corresponding two pedestal location-plates 311 forms just, thereby can guarantee the position and the depth of parallelism of positioning seat bracing frame 320.
After using alignment pin and screw that each joint location seat is installed on corresponding positioning seat bracing frame 320, can be by each otic placode of each joint location seat control crane arm arm joint and the position of the connecting hole on the joint.
Wherein, be provided with lower boom limit assembly 380 on each lower edge male joint positioning seat 340 and the lower edge female joint positioning seat 360, through the bottom of bolt in corresponding location seat board.
Available machine finish guarantees the positional precision of each positioning seat of single armed joint moulding frock 300; Each joint location seat adopts the alignment pin location; Support panel on the positioning seat bracing frame 320 at two ends adopts the draw-in groove restriction; Thereby the positional precision that can make each joint location seat satisfies the designing requirement of single armed joint moulding frock, guarantees that the nipple orifice centre distance of two lower booms 106 is isometric.
Shown in figure 21, jib positioning seat 330 is used for jib is carried out the location of horizontal direction, comprises supporter 331, is arranged at the locating piece 332 on the supporter 331.Wherein, the locating surface of each locating piece 332 of four jib positioning seats 330 all is arranged at the outside of corresponding lower boom 106.Jib positioning seat 330 has been controlled the center of crane arm arm joint 100 in single armed joint moulding frock 300.
Need to prove that above embodiment does not constitute restriction to the present invention.In another alternative embodiment, can first blanking after through integral body pendulum welder preface, form arm joint intermediate products with any joint and otic placode, again each corresponding joint of these arm joint intermediate products and upper and lower chord member or otic placode are put to weld and are connected.Its technological process does; Blanking → integral assembly welding is assembly welding lower edge joint, the otic placode that winds up → welding jib intermediate products → last single armed joint moulding frock assembly welding joint → welding point → last gathering chain → paint not.
Can find out that from above description compared with prior art its advantage is following for the single armed joint production technology of the crane arm of present embodiment:
The single armed of present embodiment joint production technology goes out the arm cycle and shortens, and whenever finishing can above gathering chain once saving, and the cycle lacks, and after the prior art production technology will finish whole one arm, ability integral body go out arm, and the cycle is long;
The single armed joint production technology of present embodiment can guarantee product quality better; Through closing arm, school firer's preface in the cancellation prior art production technology; Improved production efficiency, practiced thrift a large amount of site areas, crane arm single-unit moulding utilization of area rate has improved 62.5%;
The single armed joint production technology of present embodiment is followed " operation dispersion " principle; Reduced the crane arm Production Line time, it is to be unit with the joint that crane arm single armed joint molds the arm cycle, 6.67 minutes/joint; Going out the arm cycle compared with the prior art production technology is to be unit with the bar; 1.6 hour/bar, shortened greatly the arm cycle, reduced line stock;
Utilize the interchangeability 100% of the crane arm arm joint of the single-unit moulding that the single armed joint production technology of present embodiment produces; The linearity of crane arm, last set-back can reach 100% and satisfy worker's technological requirement;
In the single armed joint production technology of present embodiment, single armed joint moulding frock has self-checking function, can't put into single armed joint moulding frock for the off-dimension jib that integral body pendulum welder preface is made.Out-of-size otic placode and connector also can't normal mounting;
The single armed joint production technology of present embodiment has been disperseed welding deformation amount more equably for the production technology of prior art, and utilizes special-purpose single armed joint moulding frock to guarantee the relative position relation of six key points.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. the single armed of crane arm joint moulding frock is characterized in that, comprising:
The jib support portion, two lower booms (106) that save (100) through the arm that supports said crane arm support the jib of forming arm joint (100) towards the surface of top boom (105);
Joint location portion is used for each joint of said arm joint (100) is positioned.
2. single armed according to claim 1 joint moulding frock is characterized in that, said joint location portion comprises:
Positioning seat bracing frame (320), two said positioning seat bracing frames (320) relatively are provided with;
The joint location of winding up seat (350,370), a plurality of joint location seats that wind up (350,370) are arranged at respectively on the corresponding positioning seat bracing frame (320), are used to locate the joint that winds up of the arm joint (100) of crane arm;
Lower edge joint location seat (340,360); A plurality of lower edge joint location seats (340,360) are arranged at respectively on the corresponding positioning seat bracing frame (320); Be used to locate the lower edge joint of said arm joint (100), said lower edge joint location seat (340,360) is positioned at the top of the said joint location seat that winds up (350,370).
3. single armed joint moulding frock according to claim 2 is characterized in that said single armed joint moulding frock also comprises:
Pedestal (310) comprises first end and second end;
Two said positioning seat bracing frames (320) relatively are arranged on first end and second end of said pedestal (310).
4. single armed joint moulding frock according to claim 2; It is characterized in that; Said jib support portion is for being arranged on the lower boom limit assembly (380) on each said lower edge joint location seat (340,360), and said lower boom limit assembly (380) supports the respective end of the lower boom (106) of said jib.
5. according to each described single armed joint moulding frock in the claim 1 to 4, it is characterized in that said single armed joint moulding frock also comprises jib positioning seat (330), said jib positioning seat (330) is used for said jib is carried out the location of horizontal direction.
6. single armed joint moulding frock according to claim 5 is characterized in that said jib positioning seat (330) comprising:
Supporter (331);
Locating piece (332) is fixedly set in said supporter (331) top.
7. single armed joint moulding frock according to claim 3 is characterized in that said pedestal (310) comprises locating groove, and said positioning seat bracing frame (320) positions with respect to said pedestal (310) through corresponding locating groove.
8. single armed joint moulding frock according to claim 7 is characterized in that,
Said pedestal (310) is a rectangle; Comprise that branch is located at four pedestal location-plates (311) in (310) four bights of said pedestal; Each said pedestal location-plate (311) upwards forms positioning convex along the outer rim of the long side direction of said pedestal (310), two said positioning convex of first end of said pedestal (310) and said draw-in groove of each self-forming of two said positioning convex of second end;
Said positioning seat bracing frame (320) comprises base plate (323), and said base plate (323) is positioned at corresponding said draw-in groove and is provided with ordinatedly with corresponding draw-in groove.
9. according to each described single armed joint moulding frock in the claim 2 to 4; It is characterized in that; Each said joint location seat that winds up (350,370) and each said lower edge joint location seat (340,360) are fixed on the corresponding positioning seat bracing frame (320), and position with respect to corresponding positioning seat bracing frame (320) through alignment pin.
10. single armed joint moulding frock according to claim 9; It is characterized in that; Each said joint location seat that winds up (350,370) and each said lower edge joint location seat (340,360) comprise the location seat board; Said location seat board comprises location trepanning and the positioning sleeve that is arranged in the trepanning of said location, has pin shaft hole on the said positioning sleeve, through bearing pin corresponding joint is connected on the seat board of said location.
11. single armed according to claim 10 joint moulding frock is characterized in that, said positioning sleeve selectively be set to the concentric locating cover or with the corresponding eccentric positioning sleeve of location seat board.
12. according to each described single armed joint moulding frock in the claim 2 to 4, it is characterized in that,
The said joint location seat that winds up (350,370) comprises wind up an ears plate positioning seat (350) and the monaural plate positioning seat (370) that winds up;
Said lower edge joint location seat (340,360) comprises two lower edge male joint positioning seats (340) and two lower edge female joint positioning seats (360).
13. single armed joint moulding frock according to claim 12 is characterized in that,
Said ears plate positioning seat (350) and the said lower edge male joint positioning seat (340) of winding up is arranged on the said positioning seat bracing frame (320);
Said monaural plate positioning seat (370) and the said lower edge female joint positioning seat (360) of winding up is arranged on another said positioning seat bracing frame (320).
14. the single armed of crane arm joint production technology is characterized in that, comprising:
Whole pendulum welder preface goes up the required parts of whole pendulum weldering to form the jib of the arm joint (100) of forming said crane arm at integral body pendulum welder's dress (200);
Single armed joint molding procedure goes up the said jib of connection and forms said arm joint (100) required joint in single armed joint moulding frock (300), and said single armed joint moulding frock (300) is to save moulding frock according to each described single armed in the claim 1 to 13.
15. single armed joint production technology according to claim 14; It is characterized in that; Said jib comprises a top boom (105) and two lower booms (106); At an end welding point of the top boom (105) that forms said jib, the other end is welding point not, equal welding point not at the two ends of two lower booms (106) that form said jib.
16. single armed joint production technology according to claim 15; It is characterized in that; In said whole pendulum welder preface; End faces with an end homonymy said top boom (105) welding point two said lower booms (106) are close to locating surface, and make said end face in single armed joint molding procedure and between the corresponding joint, can form weld seam.
17. single armed joint production technology according to claim 15; It is characterized in that; In said whole pendulum welder preface, to adorn the location basal plane (241) of corresponding lower boom supporting seat (240) of (200) concordant with said whole pendulum welder respectively to form plane on four ends of square tube of two said lower booms (106).
18. single armed joint production technology according to claim 15; It is characterized in that; In said whole pendulum welder preface, connect top boom welding point one end of said top boom (105) and two said lower booms (106) two side brace (107), be connected straight web member (109) at the bottom of two of outermost end of two said lower booms (106), the top boom that connects said top boom (105) and lower boom (106) not the placement of two diagonal web members (108) of welding point one end all be no more than the square tube termination of corresponding lower boom (106).
19. single armed joint production technology according to claim 15; It is characterized in that; In said single armed joint molding procedure; The joint that makes said top boom (105) two ends is with respect to the joint location seat that winds up accordingly (350,370) centering, and the distance of pin-and-hole center line of two joints separately of two said lower booms (106) is equated.
20. single armed joint production technology according to claim 15; It is characterized in that; In said single armed joint molding procedure, make two said lower booms (106) square tube four ends lateral surface and towards the side of top boom (105) with the joint corresponding side surface is concordant accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060328.3A CN102581536B (en) | 2012-03-08 | 2012-03-08 | Single boom section forming tool and single boom section production process of crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060328.3A CN102581536B (en) | 2012-03-08 | 2012-03-08 | Single boom section forming tool and single boom section production process of crane boom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581536A true CN102581536A (en) | 2012-07-18 |
| CN102581536B CN102581536B (en) | 2014-12-24 |
Family
ID=46471069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210060328.3A Active CN102581536B (en) | 2012-03-08 | 2012-03-08 | Single boom section forming tool and single boom section production process of crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102581536B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909508A (en) * | 2012-08-17 | 2013-02-06 | 杭州华诚机械有限公司 | Assembly tool for climbing rack of tower crane and mounting method thereof |
| CN103071958A (en) * | 2013-01-23 | 2013-05-01 | 中联重科股份有限公司 | Welding tool for upper chord and double ear plates of crane boom and crane boom single-section forming method |
| CN103128474A (en) * | 2013-03-07 | 2013-06-05 | 安徽建筑机械有限责任公司 | Tower crane boom tool |
| CN103231901A (en) * | 2013-04-19 | 2013-08-07 | 杭州凯尔达机器人科技股份有限公司 | Workpiece conveying method for cantilever crane production line |
| CN103692096A (en) * | 2013-12-10 | 2014-04-02 | 中联重科股份有限公司 | Single-section crane boom assembly line production method and assembly line production device |
| CN104526233A (en) * | 2014-12-26 | 2015-04-22 | 苏州威尔特铝合金升降机械有限公司 | Clamp formed by welding inclined strut special for lifter |
| CN104973523A (en) * | 2015-06-30 | 2015-10-14 | 中联重科股份有限公司 | Tower crane lifting arm assembling structure, assembling method and tower crane |
| CN106541230A (en) * | 2016-11-02 | 2017-03-29 | 中车长春轨道客车股份有限公司 | The process of framework assembly welding technique unifying datum is realized using registration arm |
| CN108857290A (en) * | 2018-08-23 | 2018-11-23 | 浙江中建路桥设备有限公司 | A kind of production method of Bridge Erector nose girder |
| CN114161064A (en) * | 2021-12-23 | 2022-03-11 | 徐州东特重工科技有限公司 | Adjustable crane boom machining table and application method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09511690A (en) * | 1995-01-26 | 1997-11-25 | ケイシーアイ コネクレーンズ インターナショナル オサケユキチュア | Tacking method and apparatus for collective welding of crane and girder casing |
| CN101502924A (en) * | 2009-03-17 | 2009-08-12 | 山东丰汇设备技术有限公司 | Fixture for assembling and welding universal crane arm standard knot |
| CN201664829U (en) * | 2010-01-28 | 2010-12-08 | 江麓机电科技有限公司 | Jib welding fixture |
| EP2197618B1 (en) * | 2007-09-10 | 2011-03-23 | Terex Demag GmbH | Method for longitudinally welding crane jib profiles |
| CN201913420U (en) * | 2011-04-08 | 2011-08-03 | 重庆建工工业有限公司 | Assembling tool for single sections of lifting beam |
| CN201913421U (en) * | 2011-04-08 | 2011-08-03 | 重庆建工工业有限公司 | Crane jib single section combining tooling for flat-top tower crane |
| CN202461885U (en) * | 2012-03-08 | 2012-10-03 | 中联重科股份有限公司 | Single boom section forming tool for crane boom |
-
2012
- 2012-03-08 CN CN201210060328.3A patent/CN102581536B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09511690A (en) * | 1995-01-26 | 1997-11-25 | ケイシーアイ コネクレーンズ インターナショナル オサケユキチュア | Tacking method and apparatus for collective welding of crane and girder casing |
| EP2197618B1 (en) * | 2007-09-10 | 2011-03-23 | Terex Demag GmbH | Method for longitudinally welding crane jib profiles |
| CN101502924A (en) * | 2009-03-17 | 2009-08-12 | 山东丰汇设备技术有限公司 | Fixture for assembling and welding universal crane arm standard knot |
| CN201664829U (en) * | 2010-01-28 | 2010-12-08 | 江麓机电科技有限公司 | Jib welding fixture |
| CN201913420U (en) * | 2011-04-08 | 2011-08-03 | 重庆建工工业有限公司 | Assembling tool for single sections of lifting beam |
| CN201913421U (en) * | 2011-04-08 | 2011-08-03 | 重庆建工工业有限公司 | Crane jib single section combining tooling for flat-top tower crane |
| CN202461885U (en) * | 2012-03-08 | 2012-10-03 | 中联重科股份有限公司 | Single boom section forming tool for crane boom |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909508A (en) * | 2012-08-17 | 2013-02-06 | 杭州华诚机械有限公司 | Assembly tool for climbing rack of tower crane and mounting method thereof |
| CN103071958A (en) * | 2013-01-23 | 2013-05-01 | 中联重科股份有限公司 | Welding tool for upper chord and double ear plates of crane boom and crane boom single-section forming method |
| CN103128474B (en) * | 2013-03-07 | 2015-02-04 | 安徽建筑机械有限责任公司 | Tower crane boom tool |
| CN103128474A (en) * | 2013-03-07 | 2013-06-05 | 安徽建筑机械有限责任公司 | Tower crane boom tool |
| CN103231901A (en) * | 2013-04-19 | 2013-08-07 | 杭州凯尔达机器人科技股份有限公司 | Workpiece conveying method for cantilever crane production line |
| CN103692096B (en) * | 2013-12-10 | 2016-01-20 | 中联重科股份有限公司 | Single-section crane boom assembly line production method and assembly line production device |
| CN103692096A (en) * | 2013-12-10 | 2014-04-02 | 中联重科股份有限公司 | Single-section crane boom assembly line production method and assembly line production device |
| CN104526233A (en) * | 2014-12-26 | 2015-04-22 | 苏州威尔特铝合金升降机械有限公司 | Clamp formed by welding inclined strut special for lifter |
| CN104526233B (en) * | 2014-12-26 | 2016-03-16 | 苏州威尔特铝合金升降机械有限公司 | A kind of fixture being exclusively used in the end wall bracket welding fabrication of lift |
| CN104973523A (en) * | 2015-06-30 | 2015-10-14 | 中联重科股份有限公司 | Tower crane lifting arm assembling structure, assembling method and tower crane |
| CN104973523B (en) * | 2015-06-30 | 2017-11-14 | 中联重科股份有限公司 | Tower crane lifting arm assembling structure, assembling method and tower crane |
| CN106541230A (en) * | 2016-11-02 | 2017-03-29 | 中车长春轨道客车股份有限公司 | The process of framework assembly welding technique unifying datum is realized using registration arm |
| CN106541230B (en) * | 2016-11-02 | 2017-12-01 | 中车长春轨道客车股份有限公司 | The process of framework assembly welding technique unifying datum is realized using registration arm |
| CN108857290A (en) * | 2018-08-23 | 2018-11-23 | 浙江中建路桥设备有限公司 | A kind of production method of Bridge Erector nose girder |
| CN108857290B (en) * | 2018-08-23 | 2020-06-19 | 浙江中建路桥设备有限公司 | Production method of bridge girder erection machine guide beam |
| CN114161064A (en) * | 2021-12-23 | 2022-03-11 | 徐州东特重工科技有限公司 | Adjustable crane boom machining table and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102581536B (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581536A (en) | Single boom section forming tool and single boom section production process of crane boom | |
| CN202461885U (en) | Single boom section forming tool for crane boom | |
| CN205363109U (en) | Turbine volute automatic weld positioner | |
| CN103934693B (en) | The processing technology of box-structure post/beam shaping | |
| CN100423889C (en) | Integral welding method for ensuring axiality of two side gudgeons in large sized structural member | |
| CN201009062Y (en) | Frock for soldering excavator movable arm set | |
| CN103184766B (en) | Large steel structure and manufacturing method thereof | |
| CN101323070B (en) | Complete interchanging quick fix tower section K lever welding fixture | |
| CN106193620B (en) | A kind of processing method of steel plate shear force wall column | |
| CN204657793U (en) | A kind of device preventing Steel plate bridge unit making welding deformation | |
| CN205444492U (en) | H type cantilever girder steel post geometric cross section mosaic structure | |
| CN205032891U (en) | Bridge board unit welding production line | |
| CN202571691U (en) | H-shaped steel welding jig frame | |
| CN203738292U (en) | Tool jig for welding elevator underbeams | |
| CN211248939U (en) | Welding tool for front and back assembly of car roof | |
| CN105127550A (en) | Sleeper beam welding and adjusting method | |
| CN205421562U (en) | H type cantilever girder steel post mosaic structure | |
| CN108465962B (en) | Tailor-welding tool for hook arm upper assembly and production process thereof | |
| CN201217135Y (en) | Whole interchanging quick fix tower section engaging eared plate welding fixture | |
| CN107150200B (en) | A kind of Combined sheet metal part weld job platform | |
| CN107513936B (en) | Upper-shaped side girder structure and manufacturing method | |
| CN205614246U (en) | Welding tool for assembling curtain wall keel | |
| CN213470130U (en) | Positioning assembly welding tool for front tripod of bicycle | |
| CN110315267B (en) | Tower crane slice type standard knot assembly welding positioning tool | |
| CN209792989U (en) | Section joint beam welding supporting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |