CN110076568A - A kind of process units of the welded still pipe for crawler crane string abdomen arm - Google Patents
A kind of process units of the welded still pipe for crawler crane string abdomen arm Download PDFInfo
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- CN110076568A CN110076568A CN201910470210.XA CN201910470210A CN110076568A CN 110076568 A CN110076568 A CN 110076568A CN 201910470210 A CN201910470210 A CN 201910470210A CN 110076568 A CN110076568 A CN 110076568A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 36
- 210000001015 abdomen Anatomy 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 122
- 239000010959 steel Substances 0.000 claims abstract description 122
- 238000003466 welding Methods 0.000 claims abstract description 42
- 238000005452 bending Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 29
- 230000000712 assembly Effects 0.000 claims description 19
- 238000000429 assembly Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 9
- 239000003550 marker Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 239000000306 component Substances 0.000 description 22
- 230000008859 change Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/05—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
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Abstract
The invention discloses a kind of process units of welded still pipe for crawler crane string abdomen arm, for steel band to be welded into steel pipe, feeding unit material, bending unit, welding unit and the blanking unit that process units includes rack, is sequentially arranged in along the direction of one end to the other end of rack in rack, bending unit, steel band for conveying feeding unit material is bent into steel pipe and is sent into welding unit and welds comprising at least one set of roll-in component and multiple groups closing assembly set gradually.A kind of process units of welded still pipe for crawler crane string abdomen arm of the invention, pass through the setting of roll-in component and closing assembly, steel band can be bent into after W type bending and molding again, two longitudinal edges are longitudinally straight laterally just without drop after realizing steel band bending, to reach stability when welding, the unstable problem of the excessive caused welding of c-type bending bring steel band bounce in the prior art is overcome.
Description
Technical field
The present invention relates to a kind of process units of welded still pipe for crawler crane string abdomen arm.
Background technique
Crawler crane is the swing arm revolving crane using crawler travel, is the indispensable master of engineering lifting operation
Want lifting equipment.Since crawler crane job behavior determines that it belongs to extraordinary and safety equipment, to safety index
It can propose strict requirements, and string abdomen arm core component of the steel pipe as crawler crane, it is higher to its performance requirement.
Existing crawler crane usually uses seamless steel pipe to manufacture string abdomen arm, still, due to seamless steel pipe
Manufacturing process is limited, and seamless steel pipe surfaces externally and internally decarburization is difficult to control, and workpiece wearability is poor to be difficult to reach crawler crane
String abdomen arm design requirement, and seamless steel pipe radial thickness gap it is larger, perforation when not can avoid steel tube surface point, pit,
The shortcoming such as skin is stuck up, so that anti-corrosion easy to form is omitted after the assembly spraying of crane string abdomen arm, therefore, poor seamless of comprehensive performance
Steel pipe can not gradually adapt to the development trend and needs of Crane Industry, therefore technical staff expects being welded into using steel band
In Replacing Seamless Steel Tube With Welded Tubes, to improve the safety index of crane.
But existing welded still pipe, it is direct progress c-type bending when being welded using steel band, due to steel band bending
When can have bounce, steel band is thicker, bounce is bigger, the stability of strong influence welding, affects subsequent obtained
The quality of welded still pipe, welded still pipe so obtained can not adapt to the technical requirements of crane string abdomen arm due to second-rate.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of welding for crawler crane string abdomen arm
The process units of steel pipe, the process units can be good at overcoming bounce when steel band bending, improve the stability of welding,
It ensure that the quality of welded still pipe obtained, the technical requirements of crane string abdomen arm can be well adapted to.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of process units of the welded still pipe for crawler crane string abdomen arm, it is described for steel band to be welded into steel pipe
The feed material list that process units includes rack, is sequentially arranged in along the direction of one end to the other end of the rack in the rack
Member, bending unit, welding unit and blanking unit, the bending unit, the steel for conveying the feeding unit material
Band is bent into steel pipe and is sent into the welding unit and welded comprising at least one set of roll-in component and multiple groups set gradually
Closing assembly,
The roll-in component includes the upper roller and lower roll for being respectively arranged on the two sides of the steel band vertical direction, the upper roller and described
The roll surface of lower roll is W type, and what the upper roller and the lower roll can cooperate is rolled into W type for the steel band；
The closing assembly includes two pressure rollers for being rotatably set to the two sides of its vertical feed direction of the steel band respectively, described
The pivot center of pressure roller extend along horizontal direction or vertical direction and perpendicular to feed direction, two pressure rollers can match
The gradually bending closed moulding of the steel band by W type closed.
Preferably, the pressure roller includes set on the perpendicular roller of the side of the steel band vertical direction and set on the steel band water
Square to side plain-barreled roll, the perpendicular roller and the plain-barreled roll are arranged along feed direction interval.
Preferably, the feeding unit material include for place the charging tray of the steel band, be opened in the charging tray side into
Material mouth, the loading assemblies at the charging tray core, the steel band can be penetrated from the feed inlet charging tray and along
The circumferential coiled coil of the charging tray in the charging tray and is finally set around on the loading assemblies.
It is further preferred that the loading assemblies include into multiple rotatable feeding rollers of circle distribution, set on described
Multiple feeding roller centers rotatable reversing roller, wherein the feeding roller can be rotated around vertical direction, the reversing roller
Pivot center in vertical direction with an angle, the steel band can successively pass through multiple feeding rollers and the commutation
Roller.
It is further preferred that the process units further includes set on upper between the feeding unit material and the bending unit
Expect that bracket, the steel band can pass through the feeding plane of the feeding cradle top, the feeding plane is located at the feed material list
The top of the first and described bending unit.
Preferably, the welding unit includes inductor and impedor, is formed between the inductor and the impedor
Welding region, what the steel pipe can cooperate passes through the welding region, wherein and the impedor is located at the steel duct,
The inductor is around outside the steel pipe.
Preferably, the process units further includes set on cooling single between the welding unit and the blanking unit
Member, the cooling unit include the air-cooled unit and water cooling unit set gradually, and the air-cooled unit includes air-cooled slot, the water
Cold unit includes water-cooling groove and the cooling water in the water-cooling groove, and the steel pipe can successively be worn by described air-cooled
Slot and the water-cooling groove, and the steel pipe is located at below the liquid level of the cooling water.
Preferably, the process units further includes set on the sizing list between the welding unit and the blanking unit
Member, the modular unit include the multiple stock moulds being successively intervally arranged along the circumferential and axial of the steel pipe.
Preferably, the blanking unit includes the cutting component and blanking component set gradually, and the cutting component includes
It is slidably set to the slide unit in the rack, the cutter on the slide unit, the blanking component includes along the steel
The blanking groove that the conveying direction of pipe extends, the blanking groove gradually subtract at a distance from ground along the direction of one end to the other end
It is small.
It is further preferred that the process units further includes set on lacking between the welding unit and the blanking unit
Fall into identification sorting unit comprising can be in the defect on the vertically and horizontally upper steel pipe described for identification moved
And it issues the inductor of alarm signal, the concentrator marker for identifying to the spraying of the rejected region of the steel pipe, be set to the rack
On for by it is described cutting component cut out with outside defective tube body pushing tow to the blanking groove sorter assemblies and
For receiving the alarm signal and issuing the controller of work order to the concentrator marker and the sorter assemblies.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: one kind of the invention
The process units of welded still pipe for crawler crane string abdomen arm can by the setting of roll-in component and closing assembly
Steel band is bent into after W type bending and molding again, two longitudinal edges are longitudinally straight laterally just without drop after realizing steel band bending, to reach
To stability when welding, it is unstable to overcome the excessive caused welding of c-type bending bring steel band bounce in the prior art
Fixed problem.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the schematic cross-section of roll-in component of the invention；
Attached drawing 3 is the overlooking structure diagram of feeding unit material of the invention；
Attached drawing 4 is the structural schematic diagram of welding unit of the invention.
Wherein: 1, rack；2, feeding unit material；2a, charging tray；2b, feed inlet；2c, loading assemblies；2c1, feeding roller；2c2,
Reversing roller；2d, ring baffle；2e, transition roller；3, bending unit；3a, roll-in component；3a1, upper roller；3a2, lower roll；3b, closure
Component；3b1, pressure roller；3b2, perpendicular roller；3b3, plain-barreled roll；3b4, bracket；4, welding unit；4a, inductor；4b, impedor；5, under
Material unit；5a, cutting component；5a1, slide unit；5a2, cutter；5b, blanking component；6, feeding bracket；7, cooling unit；7a, sky
Cold unit；7b, water cooling unit；7b1, water-cooling groove；7b2, water supplying pipe；8, modular unit；9, sorting unit；9a, inductor；9b,
Concentrator marker；9c, sorter assemblies；
100, steel band；101, steel pipe.
Specific embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
Referring to shown in Fig. 1-4, a kind of process units of the welded still pipe for crawler crane string abdomen arm is used for steel
Band 100 is welded into steel pipe 101, and process units includes rack 1, along the direction of one end to the other end of rack 1 is sequentially arranged in machine
Feeding unit material 2, bending unit 3, welding unit 4 and blanking unit 5 on frame 1, bending unit 3, for feeding unit material 2 is defeated
The steel band 100 sent is bent into steel pipe 101 and is sent into welding unit 4 and welded comprising at least one set of roll-in set gradually
Component 3a and multiple groups closing assembly 3b, roll-in component 3a include be respectively arranged on the two sides of 100 vertical direction of steel band upper roller 3a1 and
The roll surface of lower roll 3a2, upper roller 3a1 and lower roll 3a2 are W type, and what upper roller 3a1 and lower roll 3a2 can cooperate is rolled into steel band 100
W type；Closing assembly 3b includes respectively rotatably set on two pressure roller 3b1 of the two sides of its vertical feed direction of steel band 100, pressure roller
The pivot center of 3b1 extends along horizontal direction or vertical direction and perpendicular to feed direction, two pressure roller 3b1 can cooperate general
The steel band 100 of W type gradually bending closed moulding.
In the present embodiment, upper roller 3a1, lower roll 3a2 and pressure roller 3b1 are realized by motor driven and are rotated.Here, it closes
Seaming element 3b further includes the bracket 3b4 in the rack 1, and two pressure roller 3b1 can be slided along direction close to each other or separate
Dynamic is set on bracket 3b4.Herein, pressure roller 3b1 realizes by screw rod and slides that the both ends shaft 3a1 of pressure roller 3b1 are separately connected
In the sliding block on bracket 3b4, sliding block is threadedly connected on screw rod, and the sliding of pressure roller 3b1 is realized by rotary screw rod.Here,
Pressure roller 3b1 includes the perpendicular roller 3b2 set on the side of 100 vertical direction of steel band and the plain-barreled roll set on the side of steel strip horizontal direction
3b3 erects roller 3b2 and plain-barreled roll 3b3 and is arranged along feed direction interval.Here, the both ends of plain-barreled roll 3b3 are bracket 3b4, erect roller
The lower end of 3b2 is connected with bracket 3b4, upper end is inserted into a sliding block with sliding slot (not shown), the upper end energy of the perpendicular roller 3b2
It is enough to be slided in sliding slot.It, can be vertically and horizontally successively right by erecting the interval setting of roller 3b2 and plain-barreled roll 3b3
Steel band 100 is pressed, and the planarization and linearity of steel pipe 101 obtained are improved.The sliding knot of upper roller 3a1 and lower roll 3a2
Structure is identical as pressure roller, is the lifting of screw rod sliding block, but be not shown in the figure.
By the setting of roll-in component 3a and closing assembly 3b, steel band 100 can be bent into after W type bending and molding again,
Two longitudinal edges are longitudinally straight laterally just without drop after realizing 100 bending of steel band, to reach stability when welding, overcome existing
The problem for having the excessive caused welding of the c-type bending bring steel band bounce in technology unstable.
In the present embodiment, feeding unit material 2 includes for placing the charging tray 2a of steel band 100, being opened in the side charging tray 2a
Feed inlet 2b, the loading assemblies 2c at charging tray 2a core, steel band 100 can penetrate charging tray 2a from feed inlet 2b and along material
The circumferential coiled coil of disk 2a in charging tray 2a and is finally set around on loading assemblies 2c.
Loading assemblies 2c includes into multiple rotatable feeding roller 2c1 of circle distribution, is set to multiple centers feeding roller 2c1
Rotatable reversing roller 2c2, wherein feeding roller 2c1 can be rotated around vertical direction, the pivot center of reversing roller 2c2 and perpendicular
For histogram at an angle, steel band 100 can successively pass through multiple feeding roller 2c1 and reversing roller 2c2.Here, the process units is also
Including the feeding bracket 6 being set between feeding unit material 2 and bending unit 3, steel band 100 can pass through the upper of 6 top of feeding bracket
Expect that plane, feeding plane are located at the top of feeding unit material 2 and bending unit 3.By the way that feeding bracket 6 is arranged, make steel band 100 certainly
Enter in the feeding bracket 6 of eminence after charging tray 1, subsequently enters welding unit 4, higher feeding bracket 6 can draw steel band 100
It is stretched flat whole, facilitates subsequent welding.And steel band 100 will enter in higher feeding bracket 6, need to change the movement of steel band 100
Direction, the change realize that steel band 100 is tilting upward movement after inclined reversing roller 2c2 commutation by reversing roller 2c2
And enter feeding bracket 6.Herein, reversing roller 2c2 includes the shaft that can be rotated around horizontal direction and is rotatably arranged
The rotational angle of roll surface in the shaft, shaft can adjust as needed, i.e. the angle of reversing roller 2c2 and vertical direction
It can adjust as needed.
In the present embodiment, feeding unit material 2 further includes enclosing the ring baffle 2d set on the side charging tray 2a, along ring baffle
The circumferentially-spaced multiple rotatable transition roller 2e for being arranged in ring baffle 2d inner wall of 2d, middle charging aperture 2b are opened in annular
On baffle 2d.
Welding unit 4 includes inductor 4a and impedor 4b, and welding region, steel are formed between inductor 4a and impedor 4b
What pipe 101 can cooperate passes through welding region, wherein impedor 4b is located inside steel pipe 101, and inductor 4a is around steel pipe
Outside 101.Herein, inductor 4a is connected with power supply, and the alternating current by being passed through appropriate frequency to inductor 4a generates
Alternating magnetic field runs through steel pipe 101, and internal driving device 4b and heated current opposite direction generate huge eddy current, forms resistance and generates
Joule heat rises rapidly steel pipe position to be welded temperature, and final metal is completely fused together at high temperature just forms welding steel
Pipe.
The process units further includes set on the cooling unit 7 between welding unit 4 and blanking unit 5, and cooling unit 7 includes
The air-cooled unit 7a and water cooling unit 7b, air-cooled unit 7a set gradually includes air-cooled slot, and water cooling unit 7b includes water-cooling groove 7b1
And the cooling water in water-cooling groove 7b1, steel pipe 101 can successively be worn through air-cooled slot and water-cooling groove 7b1, and steel pipe
101 are located at below the liquid level of cooling water.
In the present embodiment, the water cooling unit 7b further includes above water-cooling groove 7b1 for into water-cooling groove 7b1
The water supplying pipe 7b2 of cooling water is supplied, the extending direction of water supplying pipe 7b2 is identical as the extending direction of water-cooling groove 7b1, in water-cooling groove
The two sides 7b1 are equipped with notch, and extra cooling water flows into collecting tank from notch.
The process units further includes set on the modular unit 8 between welding unit 4 and blanking unit 5, and modular unit 8 includes
The multiple stock moulds being successively intervally arranged along the circumferential and axial of steel pipe 101.Herein, it is arranged in the stock mould of steel pipe circumferential direction
It can be moved along the circumferential direction of steel pipe 101, to realize comprehensive sizing.
Blanking unit 5 includes the cutting component 5a and blanking component 5b set gradually, and cutting component 5a includes slidable
Slide unit 5a1 in rack 1, the cutter 5a2 on slide unit 5a1.Blanking component 5b includes the conveying side along steel pipe 101
To the blanking groove of extension, direction of the blanking groove at a distance from ground along one end to the other end is gradually reduced.It can be slided by setting
Dynamic slide unit 5a1, steel pipe 101 by cutter 5a2 cutting after can slide unit 5a1 slide effect of inertia under forward slip under
Hopper realizes blanking.
The process units further includes set on the defect recognition sorting unit 9 between welding unit 4 and blanking unit 5, packet
It includes the defect on the steel pipe for identification 101 that can be moved on vertically and horizontally and issues the induction of alarm signal
Device 9a, the concentrator marker 9b for being identified to the spraying of the rejected region of steel pipe 101, it in rack 1 is used to that component 5a will to be cut
Cut out with the sorter assemblies 9c outside defective tube body pushing tow to blanking groove and for receiving alarm signal and to mark
Device 9b and sorter assemblies 9c issues the controller of work order.
Here, inductor 9a realizes the movement on vertically and horizontally, sense here by handwheel screw structure
Answering device 9a is eddy current sensor, can generate eddy current when probe of the defective steel pipe 101 by eddy current sensor, pass through spy
The variable quantity of head measurement eddy current is to obtain the defect of steel pipe 101.Concentrator marker 9b is by identification liquid storing pressurized unit feeding mark
Know liquid, sorter assemblies 9c is cylinder top selection structure, passes through the flexible by the tube body pushing tow with defect to bad pipe collecting box of cylinder
In, wherein the piston rod of cylinder can pass through blanking groove and contact on steel pipe 101.Controller is computer system.By right
The setting of computer system enables the controller to be identified the position of defect to concentrator marker 9b and sorting group according to inductor 9a
The distance of part 9c calculates the required time, and controls concentrator marker 9b and sorter assemblies 9c delay working, to realize steel pipe 101
Defect recognition sorting during the motion.
The course of work of lower the present embodiment is illustrated in detail below: when work starts, 100 one end of steel band being worn from feed inlet 2b
Feeding disk 2a simultaneously makes steel band 100 coiled coil is in charging tray 2a from the outside to the core along clockwise direction, by 100 inner end of steel band of coiling
It is wound in multiple sides feeding roller 2c1 in the counterclockwise direction, then wears steel band 100 between two adjacent feeding roller 2c1
Cross and be wound on reversing roller 2c2, steel band 100 by reversing roller 2c2 commutation after enter feeding bracket 6 in, then successively into
Enter roll-in component 3a and closing assembly 3b and be gradually bent into W type and be finally closed into steel pipe 101, is then sent into steel pipe 101
It is welded in welding unit 4, enters in cooling unit 7 after the completion of welding and cooled down, subsequently enter and cut in blanking unit 5
Blanking.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of process units of the welded still pipe for crawler crane string abdomen arm, for steel band (100) to be welded into steel
It manages (101), it is characterised in that: the process units includes rack (1), one end to the side of the other end along the rack (1)
To feeding unit material (2), bending unit (3), welding unit (4) and the blanking unit (5) being sequentially arranged on the rack (1),
The bending unit (3), for the steel band (100) that the feeding unit material (2) convey to be bent into steel pipe (101) and is sent into
The welding unit (4) is welded comprising at least one set of roll-in component (3a) set gradually and multiple groups closing assembly
(3b),
The roll-in component (3a) includes the upper roller (3a1) and lower roll for being respectively arranged on the two sides of the steel band (100) vertical direction
The roll surface of (3a2), the upper roller (3a1) and the lower roll (3a2) is W type, the upper roller (3a1) and the lower roll (3a2) energy
What is enough cooperated is rolled into W type for the steel band (100)；
The closing assembly (3b) includes respectively rotatably set on the two of the two sides of the steel band (100) its vertical feed direction
The pivot center of pressure roller (3b1), the pressure roller (3b1) extends and along horizontal direction or vertical direction perpendicular to feeding side
To, the steel band (100) by W type that two pressure rollers (3b1) can cooperate gradually bending closed moulding.
2. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the pressure roller (3b1) includes set on the perpendicular roller (3b2) of the side of the steel band (100) vertical direction and set on institute
The plain-barreled roll (3b3) of the side of steel strip horizontal direction is stated, the perpendicular roller (3b2) and the plain-barreled roll (3b3) are along feed direction interval
Setting.
3. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the feeding unit material (2) includes for placing the charging tray of the steel band (100) (2a), being opened in the charging tray (2a)
The feed inlet (2b) of side, the loading assemblies (2c) being set at the charging tray (2a) core, the steel band (100) can be described in
Feed inlet (2b) penetrate the charging tray (2a) and along the circumferential coiled coil of the charging tray (2a) in the charging tray (2a) simultaneously
It is finally set around on the loading assemblies (2c).
4. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 3, special
Sign is: the loading assemblies (2c) include into multiple rotatable feeding rollers (2c1) of circle distribution, set on described multiple
The rotatable reversing roller (2c2) at the center feeding roller (2c1), wherein the feeding roller (2c1) can rotate around vertical direction,
For the pivot center of the reversing roller (2c2) in vertical direction with an angle, the steel band (100) can be successively by described more
A feeding roller (2c1) and the reversing roller (2c2).
5. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 4, special
Sign is: the process units further includes set on the feeding bracket between the feeding unit material (2) and the bending unit (3)
(6), the steel band (100) can pass through the feeding plane at the top of the feeding bracket (6), and the feeding plane is located on described
The top of material unit (2) and the bending unit (3).
6. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the welding unit (4) includes inductor (4a) and impedor (4b), the inductor (4a) and the impedor
Welding region is formed between (4b), what the steel pipe (101) can cooperate passes through the welding region, wherein the impedor
(4b) is located at the steel pipe (101) inside, and the inductor (4a) is external around the steel pipe (101).
7. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the process units further includes set on the cooling unit between the welding unit (4) and the blanking unit (5)
(7), the cooling unit (7) includes the air-cooled unit (7a) and water cooling unit (7b) set gradually, the air-cooled unit (7a)
Including air-cooled slot, the water cooling unit (7b) include water-cooling groove (7b1) and be located at the water-cooling groove (7b1) in cooling water,
The steel pipe (101) can successively wear through the air-cooled slot and the water-cooling groove (7b1), and the steel pipe (101) is located at
Below the liquid level of the cooling water.
8. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the process units further includes set on the modular unit between the welding unit (4) and the blanking unit (5)
(8), the modular unit (8) includes the multiple stock moulds being successively intervally arranged along the circumferential and axial of the steel pipe (101).
9. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 1, special
Sign is: the blanking unit (5) includes the cutting component (5a) and blanking component (5b) set gradually, the cutting component
(5a) includes the cutter (5a2) for being slidably set to the slide unit (5a1) on the rack (1), being set on the slide unit (5a1),
The blanking component (5b) includes the blanking groove extended along the conveying direction of the steel pipe (101), the blanking groove and ground
Distance be gradually reduced along the direction of one end to the other end.
10. a kind of process units of welded still pipe for crawler crane string abdomen arm according to claim 9, special
Sign is: the process units further includes set on the defect recognition point between the welding unit (4) and the blanking unit (5)
Pick unit (9) comprising can be in the defect on the vertically and horizontally upper steel pipe (101) described for identification moved
And issue the inductor (9a) of alarm signal, be used to spray the concentrator marker (9b) identified to the rejected region of the steel pipe (101),
On the rack (1) for by it is described cutting component (5a) cut out with defective tube body pushing tow to the blanking
Sorter assemblies (9c) outside slot and for receiving the alarm signal and to the concentrator marker (9b) and the sorter assemblies
The controller of (9c) sending work order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470210.XA CN110076568B (en) | 2019-05-31 | Production device for welded steel pipe of web arm of crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470210.XA CN110076568B (en) | 2019-05-31 | Production device for welded steel pipe of web arm of crawler crane |
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| CN110076568A true CN110076568A (en) | 2019-08-02 |
| CN110076568B CN110076568B (en) | 2024-05-31 |
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