CN107695550A - A kind of processing method of truss-type cantilever crane - Google Patents
A kind of processing method of truss-type cantilever crane Download PDFInfo
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- CN107695550A CN107695550A CN201710763671.7A CN201710763671A CN107695550A CN 107695550 A CN107695550 A CN 107695550A CN 201710763671 A CN201710763671 A CN 201710763671A CN 107695550 A CN107695550 A CN 107695550A
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- China
- Prior art keywords
- arm support
- line
- supervisor
- monolithic
- branch pipe
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of processing method of truss-type cantilever crane.The processing method of the truss-type cantilever crane, including：By truss-type cantilever crane machine-shaping, the arm support head section of the truss-type cantilever crane of machine-shaping and arm support stage casing are disconnected, the first attachment structure is installed in the arm support head section, the second attachment structure that installation cooperates with first attachment structure on the arm support stage casing, so that the arm support stage casing disconnects with arm support endpiece, upper installation first attachment structure in the arm support stage casing, second attachment structure is installed on the arm support endpiece, the arm support stage casing is broken at least two sections, first attachment structure and second attachment structure are mounted on every section of arm support stage casing.Truss-type cantilever crane is changed into removable structure by this method, and dismountable truss-type cantilever crane is readily transported.
Description
Technical field
The present invention relates to arm support processing method field, more particularly to a kind of processing method of truss-type cantilever crane.
Background technology
Truss-type cantilever crane is part very crucial in extra large work loop wheel machine, and truss-type cantilever crane stress is big and stress is complicated,
This causes truss-type cantilever crane component to play conclusive work to reliability, stability and the service life of whole extra large work loop wheel machine
With.This also causes the accuracy of manufacture of truss-type cantilever crane component to require very high.
A kind of existing truss-type cantilever crane is segmentation structure, and the truss-type cantilever crane of the segmented mainly includes auxiliary, led
Ascending branch seat, arm support head section, arm support stage casing and arm support endpiece.Wherein, auxiliary, arm support head section, arm support stage casing and arm support endpiece by
Four supervisors and more branch pipe weldings form, and the truss-type cantilever crane after shaping is longer, transport inconvenience, so as to have impact on truss-like arm
The use of frame.
The content of the invention
Longer not readily transportable in the prior art in order to solve the problems, such as, the embodiments of the invention provide a kind of truss
The processing method of formula arm support.The technical scheme is as follows：
The invention provides a kind of processing method of truss-type cantilever crane, the processing method includes：By truss-type cantilever crane plus
Work is molded, including：Draw the first round profile of more supervisors of the monolithic arm support of the truss-type cantilever crane both sides, the monolithic arm
The supervisor of frame includes arms frame head section supervisor, arms frame stage casing supervisor and arms frame endpiece supervisor；
Draw the center line between adjacent two branch pipes of the monolithic arm support；
Moulding bed is arranged on the first round profile, by more supervisors of the every monolithic arm support according to described first
Contour line is arranged and is installed on respectively on the moulding bed；
More branch pipes of the every monolithic arm support are respectively assembled to pair according to the center line between adjacent two branch pipe
On the supervisor answered, the more supervisors are welded together, the monolithic arm support assembled；
The second contour line of supervisor when monolithic arm support described in drawing two panels closes up；
Adjacent two center lines closed up between branch pipe when monolithic arm support described in drawing two panels closes up；
The moulding bed is arranged on second contour line；
Monolithic arm support described in the two panels assembled is arranged on the moulding bed according to second contour line respectively, and point
Monolithic arm support described in two panels is not fixed by clamping frock；
To close up branch pipe according to adjacent two center lines closed up between branch pipe are assembled to two panels monolithic arm support it
Between；
Arm support root bearing and main lifting pulley bearing are assembled on the monolithic arm support；
Auxiliary is assembled in the arm support head section, obtains the truss-type cantilever crane of machine-shaping；
The arm support head section of the truss-type cantilever crane of the machine-shaping and the arm support stage casing are disconnected, in the arm support
First attachment structure is installed, the second company that installation cooperates with first attachment structure on the arm support stage casing in head section
Binding structure so that the arm support head section and the arm support stage casing can by first attachment structure and second attachment structure
Dismantling connection；
The arm support stage casing and the arm support endpiece are disconnected, the first connection knot of the upper installation in the arm support stage casing
Structure, second attachment structure is installed on the arm support endpiece so that the arm support stage casing and the arm support endpiece pass through institute
State the first attachment structure and second attachment structure is detachably connected；
The arm support stage casing is broken at least two sections, first attachment structure is mounted on every section of arm support stage casing
With second attachment structure so that two adjacent arm support stage casings are connected by first attachment structure and described second
Binding structure is detachably connected.
Specifically, the first round profile of the supervisor of the monolithic arm support for drawing the truss-type cantilever crane both sides, including：
The connecting line of the arm support endpiece and the arm support stage casing is drawn, as the first datum line；
Draw out terminated line, the arm support stage casing and the institute of the arm support endpiece respectively on the basis of first datum line
State the connecting line of arm support head section and the terminated line of the arm support head section；
The center line of the length direction of the monolithic arm support is drawn, using the center line as the second datum line；
On the basis of second datum line, in the terminated line of the arm support endpiece of the both sides of second datum line
On, one end the end points E1 and F1 of the center line of two of arm support endpiece supervisors are drawn respectively；
On the basis of second datum line, painted respectively on first datum line of the both sides of second datum line
Make the other end end points E2 and F2 of the center line of two supervisors of the arm support endpiece；
On the basis of second datum line, in the arm support stage casing of the both sides of second datum line and the arm support
On the connecting line of head section, one end the end points E3 and F3 of the center line of two supervisors of the arm support head section are drawn respectively；
On the basis of second datum line, in the terminated line of the arm support head section of the both sides of second datum line
On, the other end end points E4 and F4 of the center line of two of arm support head section supervisors are drawn respectively；
E1, E2, E3 and E4 are connected, F1, F2, F3 and F4 is connected, obtains the center line of the supervisor of the monolithic arm support；
The first round profile of the supervisor of the monolithic arm support is drawn according to the center line of the supervisor of the monolithic arm support.
Further, methods described also includes：After the center line of the supervisor of the monolithic arm support is offset to both sides respectively
Two first round profiles of the supervisor of the monolithic arm support are drawn, and the center line of the supervisor of the monolithic arm support is respectively to both sides
The distance of skew is the radius of the corresponding supervisor.
Specifically, the center line between adjacent two branch pipes for drawing the monolithic arm support, including：
Respectively on the basis of the connecting line of first datum line and the arm support stage casing with the arm support head section, institute is drawn
State the center line between adjacent two branch pipes.
Specifically, the branch pipe by the every monolithic arm support is assembled to the supervisor according to the center line of the branch pipe
On, including：
The supervisor of the monolithic arm support is arranged on the crossbeam of branch pipe positioning tool；
Found according to the center line between adjacent two branch pipes the outer wall at the both ends of the branch pipe respectively with the supervisor
Intersection point, the intersection point is respectively E points and F points；
The branch pipe is arranged in the supporting plate of the branch pipe positioning tool, makes the center line of the branch pipe and the master
In the center line of pipe is generally aligned in the same plane；
Location-plate is fitted on the outer wall of one end of the branch pipe, and one end of the location-plate is against the E points
On；
The location-plate is fitted on the outer wall of the other end of the branch pipe, make the location-plate one end be against it is described
On the F ' points of supervisor, the F ' points are measured to the distance d of the F points；
After the branch pipe is moved into d/2 to the F points direction, the both ends of the branch pipe are respectively welded to the supervisor
On.
Specifically, the middle part of the supervisor corresponding to the branch pipe is assembled to successively to the both ends of the corresponding supervisor
On the supervisor.
Specifically, it is described that the moulding bed is arranged on second contour line, including：
Plumb line is bypassed into the supervisor, and the plummet on the plumb line is located on second contour line.
Specifically, assembling arm support root bearing and the main raising wheel branch slide on the monolithic arm support, including：
The both ends of two frock dummy shafts are installed on to the first partition and second partition of the main raising wheel branch slide respectively
Two axis holes in；
By the both ends of another two frock dummy shaft be installed on respectively the main raising wheel branch slide the 3rd dividing plate and the 4th every
In two axis holes of plate；
The second partition is connected with the 3rd dividing plate by channel-section steel, the main raising wheel branch slide assembled；
The main raising wheel branch slide is assembled on the supervisor of the monolithic arm support.
Specifically, assembling arm support root bearing and the main lifting pulley bearing on the monolithic arm support, in addition to：
On the basis of first datum line, the center line of the axle sleeve of arm support root bearing is drawn；
The summit arrangement plumb line of the axle sleeve of bearing in the arm support root, and the plummet on the plumb line is located at institute
State on the center line of axle sleeve.
Specifically, methods described also includes：Support bar is respectively welded between two supervisors of disconnection.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：This method is by the truss-like arm of machine-shaping
The arm support head section of frame is disconnected with arm support stage casing, and arm support stage casing and arm support endpiece are disconnected, arm support stage casing is broken into at least two sections,
The second attachment structure that the both ends of gap are cooperated by the first attachment structure and the first attachment structure respectively, by arm support head
Section is connected with arm support stage casing, arm support stage casing with arm support endpiece and multistage arm support middle piece demounting, so as to which truss-type cantilever crane be become
For removable structure, dismountable truss-type cantilever crane is readily transported.Meanwhile the processing method is by the truss-type cantilever crane of machine-shaping
Disconnecting, the processing method is simple and efficiency high, can carry out mass biochemistry, and the truss-type cantilever crane internal stress processed is small, and
It is small to weld deformation.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the truss-type cantilever crane of disconnection provided in an embodiment of the present invention；
Fig. 2 is the cross section structure diagram of the first attachment structure and the second attachment structure provided in an embodiment of the present invention；
Fig. 3 is the overlooking the structure diagram of the first attachment structure and the second attachment structure provided in an embodiment of the present invention；
Fig. 4 is the structural representation of monolithic arm support provided in an embodiment of the present invention；
Fig. 5 is the structural representation of first round profile provided in an embodiment of the present invention；
Fig. 6 is the structural representation of center line provided in an embodiment of the present invention；
Fig. 7 is the structural representation of clamp provided in an embodiment of the present invention；
Fig. 8 is the fit structure schematic diagram of first round profile and plumb line provided in an embodiment of the present invention；
Fig. 9 is the structural representation of branch pipe provided in an embodiment of the present invention；
Figure 10 is the structural representation of branch pipe positioning tool provided in an embodiment of the present invention；
Figure 11 is Figure 10 provided in an embodiment of the present invention side structure schematic view；
Figure 12 is Figure 10 provided in an embodiment of the present invention overlooking the structure diagram；
Figure 13 is branch pipe provided in an embodiment of the present invention and the assembling structure schematic diagram of supervisor；
Figure 14 is the working state schematic representation of location-plate provided in an embodiment of the present invention；
Figure 15 be in Figure 14 provided in an embodiment of the present invention B to structural representation；
Figure 16 is the schematic diagram of the second contour line provided in an embodiment of the present invention；
Figure 17 is plumb line provided in an embodiment of the present invention and the fit structure schematic diagram of supervisor；
Figure 18 is the fit structure schematic diagram of moulding bed provided in an embodiment of the present invention and two panels monolithic arm support；
Figure 19 is the structural representation of clamping frock provided in an embodiment of the present invention；
Figure 20 is the structural representation provided in an embodiment of the present invention for closing up branch pipe；
Figure 21 is frock dummy shaft provided in an embodiment of the present invention and the structural representation of the assembling of main raising wheel branch slide；
Figure 22 is the structural representation of the center line of axle sleeve provided in an embodiment of the present invention；
Figure 23 is the structural representation that axle sleeve provided in an embodiment of the present invention coordinates with plumb line；
Figure 24 is the first connecting plate provided in an embodiment of the present invention and the structural representation of auxiliary supervisor.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiments of the invention provide a kind of processing method of truss-type cantilever crane, the processing method includes：By truss-like arm
Frame machine-shaping, as shown in figure 1, the arm support head section 1 of the truss-type cantilever crane of machine-shaping is disconnected with arm support stage casing 2, by arm support
Stage casing 2 is disconnected with arm support endpiece 5, and arm support stage casing 2 is broken into at least two sections.Fig. 2 and Fig. 3 are respectively provided in an embodiment of the present invention
The structural representation of first attachment structure and the second attachment structure.Fig. 4 is that the truss-type cantilever crane of machine-shaping is connected knot with first
The assembling structure schematic diagram of structure and the second attachment structure.As shown in Figures 2 to 4, the first attachment structure is installed in arm support head section 1
3, the second attachment structure 4 that installation cooperates with the first attachment structure 3 on arm support stage casing 2, by arm support head section 1 and arm support
Section 2 is detachably connected by the first attachment structure 3 and the second attachment structure 4, the attachment structure of upper installation first in arm support stage casing 2
3, the second attachment structure 4, arm support stage casing 2 and arm support endpiece 5 are installed on arm support endpiece 5 and pass through the first attachment structure 3 and second
Attachment structure 4 is detachably connected, and the first attachment structure 3 and the second attachment structure 4 is mounted on every section of arm support stage casing 2, by phase
Two adjacent arm support stage casings 5 are detachably connected by the first attachment structure 3 and the second attachment structure 4.Monolithic arm support includes two
The supervisor of arm support head section 1, the supervisor in arms frame stage casing 2, the supervisor of arms frame endpiece 5 and two supervisors corresponding to being welded on
More branch pipes 10 between 8.
In the present embodiment, as shown in Figures 2 and 3, the first attachment structure 3 and the second attachment structure 4 can be otic placode,
First attachment structure 3 and the second attachment structure 4 are realized by bearing pin 6 to be detachably connected.In other embodiments, the first connection knot
The attachment structure 4 of structure 3 and second can also be the steel plate with bolt hole, and the first attachment structure 3 and the second attachment structure 4 pass through spiral shell
Tether and connect.
In the present embodiment, arm support stage casing 2 can be two sections, and the arm support stage casing 2 can be arranged to close according to traffic condition
Suitable hop count.When disconnecting, cut by the way of gas flame cuttiug；Cut after cutting using semi-automatic flame cutting equipment
Go out welding groove, bevel angle franchise is less than 3 degree, and root root face is 0~2mm.Often cut at one joint at welding equipment one.
Specifically, this method can also include：Support bar 30 is respectively welded between two supervisors 8 of disconnection (see Fig. 4).
Support bar 30 can ensure the stress-bearing capability of gap.
Specifically, by truss-type cantilever crane machine-shaping, including：
Wherein, the method by truss-type cantilever crane machine-shaping includes：Fig. 5 is the structural representation of first round profile.With reference to
Shown in Fig. 4 and Fig. 5, the first round profile 9 of the supervisor 8 of the monolithic arm support 7 of truss-type cantilever crane both sides is drawn.Specifically, arm is drawn
Frame endpiece 5 and the connecting line in arm support stage casing 2, as the first datum line 15.
Draw out terminated line, arm support stage casing 2 and the arm support head section 1 of arm support endpiece 5 respectively on the basis of the first datum line 15
Connecting line and arm support head section 1 terminated line.In the present embodiment, the first datum line 15 is offset into 5573mm to the left, as arm
The terminated line of frame endpiece 5, the first datum line 15 is offset to the right to terminated lines of the 27952mm as arm support stage casing 2, by the first benchmark
Line 15 offsets to the right terminated lines of the 37445mm as arm support head section 1.
The center line of the length direction of monolithic arm support 7 is drawn, using center line as the second datum line 16.
On the basis of the second datum line 16, on the terminated line of the arm support endpiece 5 of the both sides of the second datum line 16, paint respectively
One end the end points E1 and F1 of the center line of two supervisors of arm support endpiece 5 processed；In the present embodiment, E1 and F1 is to the second datum line
16 distance is 350mm.
On the basis of the second datum line 16, arm support is drawn respectively on the first datum line 15 of the both sides of the second datum line 16
The other end end points E2 and F2 of the center line of two supervisors 8 of endpiece 5；In the present embodiment, E2 and F2 is to the second datum line 16
Distance be 1100mm.
On the basis of the second datum line 16, in the connection of the arm support stage casing 2 of the both sides of the second datum line 16 and arm support head section 1
On line, one end the end points E3 and F3 of the center line of two supervisors of arm support head section 1 are drawn respectively；
On the basis of the second datum line 16, on the terminated line of the arm support head section 1 of the both sides of the second datum line 16, paint respectively
The other end end points E4 and F4 of the center line of two supervisors of arm support head section 1 processed；In the present embodiment, E4 and F4 is to the second benchmark
The distance of line 16 is 450mm.
E1, E2, E3 and E4 are connected, F1, F2, F3 and F4 is connected, obtains the center line of the supervisor 8 of monolithic arm support 7.
The first round profile 9 of the supervisor 8 of monolithic arm support 7 is drawn according to the center line of the supervisor 8 of monolithic arm support 7.In this reality
Apply in example, by the overall skew 101.5mm each inside and outside of the center line for being responsible for 8 (distance is the radius of corresponding supervisor 8)
Two first round profiles 9 of the supervisor 8 of monolithic arm support 7 afterwards, obtain first round profile 9.
Further, Fig. 6 is the structural representation of center line provided in an embodiment of the present invention.With reference to shown in Fig. 1 and Fig. 6,
Draw the center line 11 between adjacent two branch pipes 10 of monolithic arm support 7.Specifically, respectively with the first datum line 15 and arm support stage casing
2 with the basis of the connecting line 31 of arm support head section 1, drawing the center line 11 between adjacent two branch pipes 10.In the present embodiment, in arm
In frame head section 1, the center line 11 between adjacent two branch pipes 10 is that the first datum line 15 is translated into 1405/ respectively from right to left
1160/990/752mm.On arm support stage casing 2, center line 11 between adjacent two branch pipes 10 be by the first datum line 15 by it is left extremely
It is right to translate 1477/1320/1320/1396/1396/1320/1233mm respectively.On arm support endpiece 5, between adjacent two branch pipes 10
Center line 11 be that the connecting line 31 of arm support stage casing 2 and arm support head section 1 is translated 1240/1170/1090/ respectively from left to right
1020/950/890/300mm。
Further, moulding bed 12 is arranged on first round profile 9 (see Fig. 8 and Figure 18), by the more of every monolithic arm support 7
Root supervisor 8 is installed on moulding bed 12 respectively according to first round profile 9.Fig. 7 is that the structure of clamp provided in an embodiment of the present invention is shown
It is intended to.As shown in fig. 7, when clamping, clamp 19 can be used to be installed on being responsible for 8 on moulding bed 12, clamp 19 can be by three pieces
Plank forms and clamps the left and right sides for being responsible for 8.Wherein, Fig. 8 is the fit structure schematic diagram of first round profile and plumb line.
As shown in figure 8, moulding bed 12, which is arranged on first round profile 9, can use plumb line 17.Specifically, by plumb line 17 around master
Pipe 8, and the plummet on plumb line 17 is located on first round profile 9.By plumb line 17 supervisor 8 can be ensured according to the first round
Profile 9 is accurately arranged.Usually require that deviation≤1mm of the plummet and first round profile 9 on plumb line 17.
Further, Fig. 9 is the welding sequence structural representation of branch pipe provided in an embodiment of the present invention.With reference to Fig. 6 and Fig. 9
It is shown, by more branch pipes 10 of every monolithic arm support 7 according to corresponding to being respectively assembled to the center line 11 between adjacent two branch pipe 10
On supervisor 8, more supervisors 8 are welded together, the monolithic arm support 7 assembled.Specifically, Figure 10 to Figure 12 is respectively branch
The structural representation of pipe positioning tool.As shown in Figure 10 to 12, the supervisor 8 of monolithic arm support 7 is arranged in branch pipe positioning tool 33
Crossbeam 33a on.Figure 13 is branch pipe provided in an embodiment of the present invention and the assembling structure schematic diagram of supervisor.As shown in figure 13, root
The intersection point of the outer wall at the both ends of branch pipe 10 respectively with supervisor 8 is found according to the center line 11 between adjacent two branch pipes 10 (in this implementation
In example, the distance of the center line 11 between the intersection point and adjacent two branch pipes 10 should be 50mm in theory), intersection point is respectively E points
With F points, branch pipe 10 is arranged on the supporting plate 33b of branch pipe positioning tool 33, makes center line and the center of supervisor 8 of branch pipe 10
In line is generally aligned in the same plane.Figure 14 and Figure 15 is respectively the working state schematic representation of location-plate provided in an embodiment of the present invention.Such as
Shown in Figure 14 and Figure 15, on the outer wall of one end that location-plate 18 is fitted in branch pipe 10, and one end of location-plate 18 is against E points
On (theoretical intersecting point).In this embodiment, the location-plate can be steel ruler.Location-plate 18 is fitted in the outer of the other end of branch pipe 10
On wall, one end of location-plate 18 is set to be against on the F ' points of supervisor 8, the distance d of measurement F ' points to F points；By branch pipe 10 to F points direction
After mobile d/2, the both ends of branch pipe 10 are respectively welded on supervisor 8.Generally, in process, because of reasons such as cumulative errors,
The probability that the other end of branch pipe 10 can be caused to be overlapped with F points is smaller, and usual F ' points have a certain distance d to F points, in this implementation
0≤d≤10mm is required in example, cumulative errors now need mean allocation to be needed branch pipe 10 is whole to the both ends of branch pipe 10
Body translates d/2 distance to F points direction.When realizing, as shown in Figure 10, can be set on the crossbeam 33a of branch pipe positioning tool 33
Pad 33c is put, supervisor 8 can be arranged in pad 33c, and supervisor is damaged so as to avoid supervisor 8 and crossbeam 33a that rigid contact occurs
8.In the present embodiment, as shown in Figure 10 to 12, branch pipe positioning tool 33 includes crossbeam 33a and supporting plate 33b, two supporting plates
33b is installed in parallel in crossbeam 33a side.Crossbeam 33a is used to place supervisor 8, can be L-type channel-section steel.Supporting plate 33b can be wrapped
The first supporting plate and the second supporting plate are included, the bottom of the first supporting plate is vertically mounted in the second supporting plate, and crossbeam 33a is arranged on
The top of first supporting plate.Branch pipe positioning tool 33 be used for will be responsible for 8 center line and branch pipe 10 center line 11 arrange it is same
In plane, so as to ensure the machining accuracy of branch pipe 10.
Wherein, monolithic arm support 7 is in assembling, using the welding procedure of multilayer multiple tracks radius off-set joint, each layer of throat depth
No more than 5mm (generally 3~5mm), each level dislocation connection of welding point, i.e. joint not in the same plane, generally
Stagger more than 30mm.In order to reduce welding stress, and the downwarp of monolithic arm support 7 is prevented, first weld the weld seam of branch pipe 10, welding sequence
For：On monolithic arm support 7, welded by the supervisor 8 of the side of monolithic arm support 7 first, for same supervisor 8 by its both sides or so
Alternating is welded to centre, for example first (arm support head section 1 is away from arm support for first branch pipe 10 of the rightmost side of welding supervisor 8
The branch pipe 10 at 2 ends of section), then welding first branch pipe 10 of the leftmost side of supervisor 8 again, (arm support endpiece 5 is away from the end of arm support stage casing 2
Branch pipe 10), then weld again supervisor 8 second branch pipe 10 near the rightmost side, then weld again supervisor 8 near
Second branch pipe 10 of the leftmost side, the supervisor 8 being according to said method soldered on arm support stage casing 2, until having welded the supervisor 8 of side
Afterwards, the supervisor 8 of opposite side is welded again after the same method, finally 8 weld seams of welding supervisor, the single-sided welding of monolithic arm support 7 are complete
Cheng Hou, the welding of another side weld of above-mentioned requirements progress will be pressed after the turn-over of monolithic arm support 7.
Further, Figure 16 is the structural representation of the second contour line provided in an embodiment of the present invention.With reference to Fig. 4 and Figure 16
It is shown, draw the second contour line 13 of the supervisor 8 when two panels monolithic arm support 7 closes up.Specifically, when being assembled using monolithic arm support 7
The first datum line 15 and the second datum line 16, offset 5571mm to the left using on the basis of the first datum line 15 as arm support endpiece 5
Supervisor 8 terminated line, offset to the right using on the basis of the first datum line 15 37409 as the supervisor 8 of arm support head section 1 termination
Line, on the basis of the intersection point of the terminated line of arm support endpiece 5 and the second datum line 16, vertical second datum line 16, respectively measure up and down
Terminating point A, B of the center line of 1750mm, as arm support endpiece 5 supervisor 8；With the terminated line of arm support head section 1 and the second benchmark
On the basis of the intersection point of line 16, vertical second datum line 16,625mm, the as supervisor 8 of arm support head section 1 center is respectively measured up and down
Terminating point C, D of line；AC points are connected, BD points are the center line that arm support closes up supervisor 8；The center of supervisor 8 when arm support is closed up
For line to inner or outer skew 101.5mm, the present embodiment is inwardly skew, and 8 the second contour line 13 is responsible for when as arm support closes up.Tool
Body, as shown in figure 17, by plumb line 17 around supervisor 8, and the plummet on plumb line 17 is located on the second contour line 13.It is logical
Crossing plumb line 17 can ensure that supervisor 8 accurately arranges according to the second contour line 13.Usually require that the plummet on plumb line 17 and
Deviation≤3mm of two contour lines 13.
Further, adjacent two center lines closed up between branch pipe 14 when two panels monolithic arm support 7 closes up are drawn.Adjacent two
Adjacent two branch pipes, 10 center lines 11 that the center line that root closes up between branch pipe 14 is drawn when can be assembled with monolithic arm support 7.
Further, moulding bed 12 is arranged on the second contour line 12.
Further, Figure 18 is the fit structure schematic diagram of moulding bed provided in an embodiment of the present invention and two panels monolithic arm support.
With reference to shown in Fig. 4 and Figure 18, the two panels monolithic arm support 7 assembled is arranged on moulding bed 12 according to the second contour line 13 respectively,
And fix two panels monolithic arm support 7 by clamping frock 20 respectively.In the present embodiment, using plumb line 17 to monolithic arm support 7
Two supervisors 8 carry out messenger wires, it is desirable to adjust deviation to two supervisors 8 and the second contour lines 13 it is equal≤3mm；Adjust it is qualified after,
The supervisor 8 of one of monolithic arm support 7 is fixed on moulding bed 12 using frock 20 is clamped, one clamping is set every 8-10m
Frock 20, while clamp the rigging position that frock 20 will be avoided closing up branch pipe 14.
In the present embodiment, Figure 19 is the structural representation of clamping frock provided in an embodiment of the present invention.As shown in figure 19,
The first clamp 20a, the second clamp 20b, fixed plate 20c and supporting plate 20d, the first clamp 20a, the can be included by clamping frock 20
Two clamp 20b are respectively L-type and are fixed in the fixed plate 20c arranged vertically a side wall, and supporting plate 20d is supported and fixed on solid
In fixed board 20c another side wall.Two supervisors 8 of monolithic arm support 7 are installed in the first clamp 20a and the second clamp 20b respectively.
Further, Figure 20 is the structural representation provided in an embodiment of the present invention for closing up branch pipe.As shown in figure 20, will close
Hold together branch pipe 14 to be assembled between two panels monolithic arm support 7 according to adjacent two center lines closed up between branch pipe 14.Its assembling process is joined
The step of being assembled to supervisor 8 according to branch pipe 10 is carried out.When closing up the welding of branch pipe 14, using the Welder of multilayer multiple tracks radius off-set joint
Skill, each layer of throat depth are no more than 5mm (generally 3~5mm), and each level dislocation connection of welding point, i.e. joint are not
In the same plane, generally stagger more than 30mm；In order to reduce welding stress, and arm support downwarp is prevented, welding direction is by centre
To the weld seam at both ends, first welding lower section supervisor 8, then weld the weld seam of top supervisor 8.The weld seam of the side of monolithic arm support 7 is first soldered,
The weld seam of the opposite side of monolithic arm support 7 is welded again, if node has 2 or 3 welding for closing up branch pipe 14, on this node
Closing up branch pipe 14 should weld simultaneously.
Further, arm support root bearing and main lifting pulley bearing are assembled on monolithic arm support 7.Specifically, assembling
During main lifting pulley bearing, with reference to shown in Fig. 4 and Figure 21, the both ends of two frock dummy shafts 21 are installed on main raising wheel branch respectively
In the first partition 22 of slide and two axis holes of second partition 23；The both ends of another two frock dummy shaft 21 are installed on master respectively
In 3rd dividing plate 24 of raising wheel branch slide and two axis holes of the 4th dividing plate 25；By the dividing plate 24 of second partition 23 and the 3rd
Connected by channel-section steel 21a, the main raising wheel branch slide assembled.Main raising wheel branch slide is assembled to monolithic arm support 7
On supervisor 8.In the present embodiment, the both ends of frock dummy shaft 21 are respectively arranged with the shaft shoulder, and in assembling, axle is installed on by the shaft shoulder
In hole, setting frock dummy shaft 21 to avoid being arranged in axis hole, really axle sustains damage, but also can keep four every
The distance between plate.Meanwhile in the present embodiment, frock dummy shaft 21 can be hollow shaft, the list after assembling can be so reduced
The weight of piece arm support 7, so as to beneficial to transport.
As shown in figure 22, arm support root bearing is lifted to and closed up at arm support endpiece 5, when assembling arm support root bearing,
On the basis of the first datum line 15, the center line 34 of the axle sleeve 26 of arm support root bearing is drawn；As shown in figure 23, in arm support root
The summit arrangement plumb line 17 of the axle sleeve 26 of bearing, and the plummet on plumb line 17 is located on the center line 34 of axle sleeve 26.
In the present embodiment, the second contour line 13 of the supervisor 8 when closing up using arm support, the first datum line 15 is offset into 6091mm to the left,
The center line 34 of the axle sleeve 26 of arm support root bearing is drawn, the first datum line 15 is offset into the right 36409mm, main raising is drawn and slides
Wheeling support flange center line；Cross A points, the center line of B points to the axle sleeve 26 of arm support root bearing does vertical line, then by the vertical line to
The direction of two datum line 16 translates 130mm, the ground line-transect as the axle sleeve 26 of arm support root bearing；With main lifting pulley bearing flange
Center line and the second datum line 16 intersection point on the basis of, upwards draw distance be 158mm and 598mm main lifting pulley Supports Method
The vertical line of blue center line, vertical line of the distance for the center line of 158mm and 598mm main lifting pulley bearing flange is drawn downwards.
Meanwhile in the present embodiment, plumb line 17 can also be respectively arranged in the both sides of the axle sleeve 26 of arm support root bearing.
In theory, the summit of the plummet of position should fall on the center line of axle sleeve 26 at 3.Due to error be present so that at 3 position
The summit of plummet when can not all fall within the center line of axle sleeve 26, if the summit of the plummet of position line-transect one at 3 in spacer
Side, it is desirable to tolerance D≤2mm.If the summit of the plummet of position is located at the both sides of the center line of axle sleeve 26 at 3, it is required that tolerance Smax
+Emax≤3mm。
Further, auxiliary 27 is assembled in arm support head section 1 (see Fig. 4).Specifically, first at the both ends of auxiliary 27 connects
The centre of location line 29 of the auxiliary supervisor 28 of auxiliary 27 is drawn on fishplate bar and the second connecting plate respectively, draws the pair for drawing auxiliary 27
The second datum line 16 of supervisor 8 when can be closed up during the centre of location line 29 of arm supervisor 28 by the use of arm support is used as benchmark.Such as Figure 24
It is shown, the first connecting plate 32 is welded on the bearing of arm support root, top auxiliary is responsible for into the big one end of 28 intersection angles puts
Put on the first connecting plate, steel ruler is shelved on to the apex of auxiliary supervisor 28, the position of adjustment auxiliary supervisor 28, makes auxiliary master
Centre of location line 29 on the connecting plate of vertex distance first of pipe 28 makes its summit away from the upper of the first connecting plate apart from for 625mm
Edges of boards distance is 28mm, and the gap of adjustment auxiliary supervisor 28 and the first connecting plate is 3~5mm, and auxiliary is responsible for into 28 positioning weldings
On the first connecting plate；Bottom auxiliary is responsible for into the big one end of 28 intersection angles to be placed on the first connecting plate, steel ruler is put
Putting on the summit of auxiliary supervisor 28, the position of adjustment auxiliary supervisor 28, makes the vertex distance top auxiliary supervisor of auxiliary supervisor 28
The distance on 28 lower summit is 618mm, and it is 625mm to make distance of its summit away from centre of location line 29, adjustment bottom auxiliary supervisor
28 and first the gap of connecting plate be 3~5mm, bottom auxiliary is responsible for 28 tack weldings on the first connecting plate；Repeat above-mentioned behaviour
Make, position two auxiliarys supervisor 28 of opposite side；Then the second connecting plate is assembled, finally assembles auxiliary branch pipe 29.
The embodiments of the invention provide a kind of processing method of truss-type cantilever crane, this method is by the truss-like arm of machine-shaping
The arm support head section of frame is disconnected with arm support stage casing, and arm support stage casing and arm support endpiece are disconnected, arm support stage casing is broken into at least two sections,
The second attachment structure that the both ends of gap are cooperated by the first attachment structure and the first attachment structure respectively, by arm support head
Section is connected with arm support stage casing, arm support stage casing with arm support endpiece and multistage arm support middle piece demounting, so as to which truss-type cantilever crane be become
For removable structure, dismountable truss-type cantilever crane is readily transported.Meanwhile the processing method is by the truss-type cantilever crane of machine-shaping
Disconnecting, the processing method is simple and efficiency high, can carry out mass biochemistry, and the truss-type cantilever crane internal stress processed is small, and
It is small to weld deformation.Meanwhile this method is in processing, the purlin that to process using card rotating tooling, location-plate, plumb line and moulding bed
Posture arm support has higher precision.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of processing method of truss-type cantilever crane, it is characterised in that the processing method includes：
By truss-type cantilever crane machine-shaping, including：Draw the of more of the monolithic arm support of truss-type cantilever crane both sides supervisors
One contour line, the supervisor of the monolithic arm support include the supervisor of arms frame head section, the supervisor in arms frame stage casing and arms
The supervisor of frame endpiece；
Draw the center line between adjacent two branch pipes of the monolithic arm support；
Moulding bed is arranged on the first round profile, by more supervisors of the every monolithic arm support according to the first profile
Line is arranged and is installed on respectively on the moulding bed；
By more branch pipes of the every monolithic arm support according to corresponding to being respectively assembled to the center line between adjacent two branch pipe
On the supervisor, the more supervisors are welded together, the monolithic arm support assembled；
The second contour line of supervisor when monolithic arm support described in drawing two panels closes up；
Adjacent two center lines closed up between branch pipe when monolithic arm support described in drawing two panels closes up；
The moulding bed is arranged on second contour line；
Monolithic arm support described in the two panels assembled is arranged on the moulding bed according to second contour line respectively, and led to respectively
Cross clamping frock and fix monolithic arm support described in two panels；
It will close up between branch pipe monolithic arm support according to adjacent two center lines closed up between branch pipe are assembled to two panels；
Arm support root bearing and main lifting pulley bearing are assembled on the monolithic arm support；
Auxiliary is assembled in the arm support head section, obtains the truss-type cantilever crane of machine-shaping；
The arm support head section of the truss-type cantilever crane of the machine-shaping and the arm support stage casing are disconnected, in the arm support head section
The first attachment structure of upper installation, installed on the arm support stage casing and be connected knot with the second of first attachment structure mutual cooperation
Structure so that the arm support head section and the arm support stage casing are detachable by first attachment structure and second attachment structure
Connection；
The arm support stage casing and the arm support endpiece are disconnected, upper installation first attachment structure in the arm support stage casing,
Second attachment structure is installed on the arm support endpiece so that the arm support stage casing and the arm support endpiece pass through described
One attachment structure and second attachment structure are detachably connected；
The arm support stage casing is broken at least two sections, first attachment structure and institute are mounted on every section of arm support stage casing
State the second attachment structure so that tied by first attachment structure and second connection in two adjacent arm support stage casings
Structure is detachably connected.
2. processing method according to claim 1, it is characterised in that the monolithic for drawing the truss-type cantilever crane both sides
The first round profile of the supervisor of arm support, including：
The connecting line of the arm support endpiece and the arm support stage casing is drawn, as the first datum line；
Draw out terminated line, the arm support stage casing and the arm of the arm support endpiece respectively on the basis of first datum line
The terminated line of the connecting line of frame head section and the arm support head section；
The center line of the length direction of the monolithic arm support is drawn, using the center line as the second datum line；
On the basis of second datum line, on the terminated line of the arm support endpiece of the both sides of second datum line, point
One end the end points E1 and F1 of the center line of two supervisors of the arm support endpiece are not drawn；
On the basis of second datum line, institute is drawn respectively on first datum line of the both sides of second datum line
State the other end end points E2 and F2 of the center line of two supervisors of arm support endpiece；
On the basis of second datum line, in the arm support stage casing of the both sides of second datum line and the arm support head section
Connecting line on, draw one end the end points E3 and F3 of the center line of two of arm support head section supervisors respectively；
On the basis of second datum line, on the terminated line of the arm support head section of the both sides of second datum line, point
The other end end points E4 and F4 of the center line of two supervisors of the arm support head section are not drawn；
E1, E2, E3 and E4 are connected, F1, F2, F3 and F4 is connected, obtains the center line of the supervisor of the monolithic arm support；
The first round profile of the supervisor of the monolithic arm support is drawn according to the center line of the supervisor of the monolithic arm support.
3. processing method according to claim 2, it is characterised in that methods described also includes：By the monolithic arm support
The center line of supervisor draws two first round profiles of the supervisor of the monolithic arm support, and the monolithic after being offset respectively to both sides
The distance that the center line of the supervisor of arm support is offset to both sides respectively is the radius of the corresponding supervisor.
4. processing method according to claim 3, it is characterised in that adjacent two branch for drawing the monolithic arm support
Center line between pipe, including：
Respectively on the basis of the connecting line of first datum line and the arm support stage casing with the arm support head section, the phase is drawn
Center line between adjacent two branch pipes.
5. processing method according to claim 2, it is characterised in that the branch pipe by the every monolithic arm support according to
The center line of the branch pipe is assembled on the supervisor, including：
The supervisor of the monolithic arm support is arranged on the crossbeam of branch pipe positioning tool；
The outer wall friendship with the supervisor respectively at the both ends of the branch pipe is found according to the center line between adjacent two branch pipes
Point, the intersection point are respectively E points and F points；
The branch pipe is arranged in the supporting plate of the branch pipe positioning tool, makes the center line of the branch pipe with the supervisor's
In center line is generally aligned in the same plane；
Location-plate is fitted on the outer wall of one end of the branch pipe, and one end of the location-plate is against on the E points；
The location-plate is fitted on the outer wall of the other end of the branch pipe, one end of the location-plate is against the supervisor
F ' points on, measure the F ' point to the distance d of the F points；
After the branch pipe is moved into d/2 to the F points direction, the both ends of the branch pipe are respectively welded on the supervisor.
6. processing method according to claim 5, it is characterised in that the middle part by the branch pipe by the corresponding supervisor
It is assembled to successively on the supervisor to the both ends of the corresponding supervisor.
7. processing method according to claim 3, it is characterised in that described that the moulding bed is arranged in second profile
On line, including：
Plumb line is bypassed into the supervisor, and the plummet on the plumb line is located on second contour line.
8. processing method according to claim 2, it is characterised in that described that arm support root is assembled on the monolithic arm support
Bearing and main raising wheel branch slide, including：
By the both ends of two frock dummy shafts be installed on respectively the main raising wheel branch slide first partition and second partition two
In individual axis hole；
The both ends of another two frock dummy shaft are installed on to the 3rd dividing plate and the 4th dividing plate of the main raising wheel branch slide respectively
In two axis holes；
The second partition is connected with the 3rd dividing plate by channel-section steel, the main raising wheel branch slide assembled；
The main raising wheel branch slide is assembled on the supervisor of the monolithic arm support.
9. processing method according to claim 3, it is characterised in that described that arm support root is assembled on the monolithic arm support
Bearing and main lifting pulley bearing, in addition to：
On the basis of first datum line, the center line of the axle sleeve of arm support root bearing is drawn；
The summit arrangement plumb line of the axle sleeve of bearing in the arm support root, and the plummet on the plumb line is located at the axle
On the center line of set.
10. processing method according to claim 1, it is characterised in that methods described also includes：Described in two of disconnection
Support bar is respectively welded between supervisor.
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| CN201710763671.7A CN107695550B (en) | 2017-08-30 | 2017-08-30 | Processing method of truss type arm support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763671.7A CN107695550B (en) | 2017-08-30 | 2017-08-30 | Processing method of truss type arm support |
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| CN107695550B CN107695550B (en) | 2019-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482420A (en) * | 2019-08-16 | 2019-11-22 | 南通振华重型装备制造有限公司 | A kind of floating crane truss-type cantilever crane integral constructing method |
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| CN204454344U (en) * | 2015-01-30 | 2015-07-08 | 浙江三一装备有限公司 | A kind of boom device and construction machinery and equipment |
| CN105858505A (en) * | 2016-06-28 | 2016-08-17 | 徐工集团工程机械股份有限公司 | Combined jib and hoisting machinery |
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| JP2000213104A (en) * | 1999-01-28 | 2000-08-02 | Nakajima Steel Pipe Co Ltd | Inside diaphragm-attached steel pipe and manufacture thereof |
| CN102489888A (en) * | 2011-11-29 | 2012-06-13 | 武汉船用机械有限责任公司 | Welding method for high-strength steel truss-type cantilever crane |
| CN103332611A (en) * | 2013-04-23 | 2013-10-02 | 上海振华重工(集团)股份有限公司 | Fabrication method of arm support of crane |
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| CN110482420A (en) * | 2019-08-16 | 2019-11-22 | 南通振华重型装备制造有限公司 | A kind of floating crane truss-type cantilever crane integral constructing method |
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| CN107695550B (en) | 2019-12-06 |
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