CN111843261B - Tower crane jib spin welding device capable of being rapidly clamped - Google Patents
Tower crane jib spin welding device capable of being rapidly clamped Download PDFInfo
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- CN111843261B CN111843261B CN202010538895.XA CN202010538895A CN111843261B CN 111843261 B CN111843261 B CN 111843261B CN 202010538895 A CN202010538895 A CN 202010538895A CN 111843261 B CN111843261 B CN 111843261B
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- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- 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
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Abstract
The invention discloses a tower crane jib spin welding device capable of being rapidly clamped, which comprises a chord member feeding mechanism, a spin welding tool and a connecting rod clamping tool; the automatic feeding of the chord members is realized through the transfer wheel and the ejection assembly, so that the time for clamping the chord members by the rotary welding tool is reduced, and the welding efficiency of the suspension arm is greatly improved.
Description
Technical Field
The invention relates to the field of tower crane boom machining equipment, in particular to a tower crane boom spin welding device capable of being rapidly clamped.
Background
The existing tower crane boom is generally formed by welding three chords, the chords are generally placed into a triangle in the welding process, then reinforcing rods are welded between the two chords to enhance the compressive strength between the chords, the operation method is relatively complex, a rotary welding tool is required to clamp the three chords in the processing process, then the connecting rods are leaned against the chords to be welded by manpower, so that the labor intensity of workers is increased undoubtedly (the workers need to lean the connecting rods against the chords to facilitate the welding of the welding workers), meanwhile, when the chords are clamped on the rotary welding tool, the chords need to be lifted up and installed on the rotary welding tool by manpower or a truss crane, generally, the chords are relatively long and relatively heavy in quality, so that the difficulty is relatively high when the chords are installed on the rotary welding tool, therefore, the welding efficiency of the suspension arm is reduced (the installation time is longer), and if the number of truss cars in a workshop is small, waiting is needed (the chord members are installed when the truss cars are idle).
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the tower crane jib rotary welding device capable of realizing quick clamping, which is convenient for quickly clamping the chord member into the rotary tool without manual operation, has higher clamping speed, and meanwhile, when welding the connecting rod and the chord member, the connecting rod does not need to be leaned against the chord member by a worker, so that the welding is convenient for the worker.
In order to achieve the purpose, the scheme of the invention is as follows: a tower crane jib spin welding device capable of being clamped quickly comprises a chord member feeding mechanism, a spin welding tool and a connecting rod clamping tool, wherein the spin welding tool is automatically fed through the chord member feeding mechanism, the chord member feeding mechanism wraps a transfer wheel and storage grooves, the transfer wheel is fixed on the ground through a bearing, a plurality of storage grooves are fixed on the transfer wheel in a fixing mode, the storage grooves are fixed on the transfer wheel in an annular array mode, the storage grooves are arc-shaped grooves, a plurality of electromagnets are arranged in the arc-shaped grooves, chords in the storage grooves are fixed in the storage grooves through the electromagnets, the transfer wheel is connected with a stepping motor, and the transfer wheel is driven to rotate through the stepping motor; a rotary welding tool is arranged on one side of the chord member feeding mechanism and comprises a base, a rotary seat and a chord member clamping assembly, two supports are arranged on the base and are arranged oppositely, a rotary seat is fixed on each support through a bearing, a through hole through which three chord members pass is formed in each rotary seat, a storage groove in a transfer wheel corresponds to the through hole in the rotary seat in position, a pushing assembly is arranged on one side of the transfer wheel, which is far away from the rotary seat, the chord members are pushed into the through holes through the pushing assembly, the chord member clamping assembly is arranged in each through hole, the chord members extending into the through holes are clamped through the chord member clamping assembly, a first sliding assembly is arranged between the base and each support, and the two supports are far away from each other through the first sliding assembly to realize the separation of the chord members from the rotary welding tool; the connecting rod clamping tool is arranged on the outer side of the rotary welding tool and comprises a fixed disc and a connecting rod clamping assembly, wherein the fixed disc is arranged on one side, away from the chord member feeding mechanism, of the rotary welding tool, a second sliding assembly is arranged on the bottom surface of the fixed disc, the fixed disc is a three-jaw chuck, a fixed rod is fixed on each jaw of the three-jaw chuck in a welding mode, a plurality of connecting rod clamping assemblies arranged at equal intervals are fixed on each fixed rod, the connecting rods are clamped on the connecting rod clamping assemblies, and the fixed rods are close to the chord members through the three-jaw chuck; a linear motor is fixed on each fixing rod, a welding pen is fixed on each linear motor, the contact point of the connecting rod and the chord member is in contact with the welding point of the welding pen, and the connecting rod and the chord member are prewelded through the welding pen.
Preferably, the chord clamping assembly comprises a clamping ring, a pull rod and a clamping motor, the rotating base is hollow inside, the clamping ring is arranged at each through hole of the rotating base and coaxial with the corresponding through hole, the pull rod is hinged to the clamping ring in a welding mode, a rotating wheel is fixed to the center of the rotating base through a bearing, the rotating wheel is located in the hollow of the rotating base, a guide cylinder is sleeved on each pull rod and fixed to the rotating base, a connecting rod is fixed to the tail end of the pull rod and the rotating wheel in a hinged mode, the connecting rod and the hinged point of the rotating wheel are offset from the center of the rotating wheel, and the clamping motor is fixed to the rotating wheel and fixed to the rotating base.
Preferably, the connecting rod clamping assembly comprises a clamping block, a clamping groove and a fixing bolt, the clamping block is fixed on the fixing rod, one end, far away from the fixing rod, of the clamping block is provided with the clamping groove for clamping the connecting rod, the clamping block is provided with the fixing bolt in a penetrating mode, the fixing bolt is in threaded fit with the clamping block, the fixing bolt penetrates through the clamping block and extends into the clamping groove, and the connecting rod is fixed in the clamping groove through the fixing bolt.
Preferably, fix through rotary joint between pressing from both sides tight piece and the dead lever, be provided with the locking bolt at rotary joint, lock rotary joint through the locking bolt, prevent that rotary joint is rotatory, can adjust the inclination who presss from both sides tight piece like this, be convenient for adjust according to the requirement of product.
Preferably, a connecting frame is fixed on the linear motor, the connecting frame extends outwards, a welding pen is fixed at the tail end of the connecting frame, a buffer spring is arranged between the welding pen and the connecting frame, and a telescopic rod is arranged in the buffer spring, and two ends of the telescopic rod are respectively fixed with the connecting frame and the welding pen.
Preferably, a first alignment assembly is arranged between the transfer wheel and the rotating seat, an infrared sensing probe is arranged on one side of each through hole of the rotating seat, an infrared emission probe is arranged on one side of each storage groove of the transfer wheel, and when the infrared sensing probe corresponds to the infrared emission probe, the storage groove corresponding to the infrared emission probe is coaxial with the through hole corresponding to the infrared induction probe; the second aligning component is arranged between the pushing component and the transfer wheel and also comprises an infrared sensing probe and an infrared emission probe, the infrared sensing probe is fixed on the pushing component, the infrared emission probe is fixed at one end, close to the pushing component, of each storage tank, and when the infrared sensing probe on the second aligning component is opposite to the infrared emission probe, the transfer wheel stops rotating, and the pushing component is ejected.
Compared with the prior art, the invention has the advantages that: 1. the automatic feeding of the chord members is realized through the transfer wheel and the ejection assembly, so that the time for clamping the chord members by a rotary welding tool is reduced, and the welding efficiency of the suspension arm is greatly improved; 2. the connecting rod clamping tool can clamp and lean against a plurality of connecting rods on the chord member, so that welding is convenient for workers, and the labor intensity of the workers is reduced; 3. the welding pen and the linear motor are arranged, prewelding can be achieved between the connecting rod and the chord member, the connecting rod and the chord member are fixed together, then the connecting rod clamping tool is withdrawn and manually welded, the connecting rod clamping tool clamping connecting rod can be clamped while welding, and welding efficiency is improved; 4. the chord clamping component is arranged to rapidly clamp the chord and clamp the chord tightly.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic diagram of the chord member feeding mechanism and the spin welding tool in accordance with the present invention.
Fig. 3 is a schematic view of the spin welding tool of the present invention.
FIG. 4 is a schematic view of a rotary base according to the present invention.
Fig. 5 is a schematic view of a clamping tool for a rotating seat and a connecting rod of the invention.
FIG. 6 is a schematic view of the fixing rod and the welding pen according to the present invention.
Fig. 7 is a cross-sectional view of the storage tank of the present invention.
Wherein, 1, a chord member feeding mechanism, 1.1, a transfer wheel, 1.2, a storage groove, 1.3, an electromagnet, 1.4, a stepping motor, 2, a rotary welding tool, 2.1, a base, 2.2, a rotary seat, 2.3, a through hole, 2.5, a clamping ring, 2.6, a pull rod, 2.7, a guide cylinder, 2.8, a connecting rod, 2.9, a rotary wheel, 2.10, a clamping motor, 2.11, a first sliding component, 3, a connecting rod clamping tool, 3.1, a fixed disk, 3.2, second slip subassembly, 3.3, the dead lever, 3.4, rotary joint, 3.5, the locking bolt, 3.6, linear electric motor, 3.7, the link, 3.8, buffer spring, 3.9, the telescopic link, 3.10, the welding pen, 3.11, connecting rod clamping component, 3.12, press from both sides tight piece, 3.13, press from both sides tight groove, 3.14, fixing bolt, 3.15, first counterpoint subassembly, 3.16, second counterpoint subassembly, 3.17, infrared ray inductive probe, 3.18, infrared emission probe, 4, the subassembly that pushes up.
Detailed Description
The invention will now be further elucidated with reference to the drawing.
As shown in figures 1-7, a tower crane jib spin welding device capable of fast clamping comprises a chord member feeding mechanism 1, a spin welding tool 2 and a connecting rod clamping tool 3, wherein the chord member feeding mechanism 1 automatically feeds the spin welding tool 2, the chord member feeding mechanism 1 comprises a transfer wheel 1.1 and storage grooves 1.2, the transfer wheel 1.1 is fixed on the ground through a bearing (the bearing is fixed on the ground through a bearing seat), a plurality of storage grooves 1.2 are fixed on the periphery of the transfer wheel 1.1 in a welding manner, the storage grooves 1.2 are fixed on the transfer wheel 1.1 in an annular array manner, each storage groove 1.2 is an arc-shaped groove, a plurality of electromagnets 1.3 are embedded in the bottom of each arc-shaped groove (the electromagnets 1.3 are welded in the arc-shaped grooves), a chord member in the storage grooves 1.2 is adsorbed in the storage grooves 1.2 through the electromagnets 1.3, and the transfer wheel 1.1 is connected with a stepping motor 1.4 in a welding manner, the transfer wheel 1.1 is driven to rotate by a stepping motor 1.4, the chord is placed on the ground and positioned under the transfer wheel 1.1, when the empty arc-shaped groove rotates to the bottommost part of the transfer wheel 1.1, the chord is adsorbed into the arc-shaped groove by an electromagnet 1.3, the height of the chord is lifted by the rotation of the transfer wheel 1.1, the chord can be prevented from being separated from the arc-shaped groove in the process of lifting the height by the way that the chord is adsorbed by the electromagnet 1.3, and meanwhile, the chord positioned on the ground can be adsorbed into the arc-shaped groove, so that automatic feeding is realized (the chord needs to be rolled below the transfer wheel 1.1 (the existing oblique storage rack is used for realizing automatic feeding after the material at the bottom is taken away, the rest of the materials automatically roll downwards along the oblique storage rack, and thus the oblique storage rack below the transfer wheel 1.1 is placed on the ground to realize automatic feeding); spin welding frock 2 has been placed on the subaerial rotatory welding frock 2 of having placed on chord member feed mechanism 1's right side, rotatory welding frock 2 includes base 2.1, roating seat 2.2 and chord member clamping component, base 2.1 places subaerial, be provided with two spinal branchs frame and two spinal branchs frame set up relatively on base 2.1, be fixed with swivel seat 2.2 through the bearing on every spinal branchs frame (the top of support is fixed with the bearing on roating seat 2.2 through the welded mode), it has through-hole 2.3 that three chord member passed to open on every roating seat 2.2, wherein storage tank 1.2 on the transfer wheel 1.1 is corresponding with through-hole 2.3 position on the roating seat 2.2, when storage tank 1.2 is relative with the position of through-hole 2.3, the chord member in storage tank 1.2 enters into through the mode of ejection in through the ejecting, realize like this that the chord member is provided with the ejector assembly (4) on the ground through the ejector assembly of the left side of bolt fastening wheel 1.1 of transport wheel 1, one side of keeping away from roating seat 2.2 (promptly) of transfer wheel 1, the change of transfer wheel 1.1 The assembly 4 comprises an air cylinder and a push block, the push block is fixed on a piston rod of the air cylinder in a welding mode, a cylinder body of the air cylinder is fixed on a portal frame in a welding mode, the portal frame is fixed on the ground through bolts, the cylinder body of the air cylinder and the transfer wheel 1.1 are positioned on the same axis of the top, when pushing is carried out, the air cylinder extends the push block into the storage groove 1.2 and pushes a chord rod in the storage groove 1.2 into the rotary welding tool 2, the chord rod is pushed into the through hole 2.3 through the push assembly 4, a chord rod clamping assembly is arranged in each through hole 2.3, the chord rod clamping assembly comprises a clamping ring 2.5, a pull rod 2.6 and a clamping motor 2.10, the inside of the rotary base 2.2 is hollow, the clamping ring 2.5 is arranged at each through hole 2.3 of the rotary base 2.2, the clamping ring 2.5 is coaxial with the corresponding through hole 2.3, the rotary wheel 2.9 is fixed on the center of the rotary base 2.2 through a bearing 9, and the rotary wheel 2.2 is positioned in the rotary base 2.2.3, each pull rod 2.6 is sleeved with a guide cylinder 2.7, the guide cylinder 2.7 is fixed on the rotating seat 2.2, a link 2.8 is fixed on the end of the pull rod 2.6 and the rotating wheel 2.9 in a hinged manner, and the hinged point of the link 2.8 and the rotating wheel 2.9 is offset from the center of the rotating wheel 2.9, a clamping motor 2.10 is fixed on the rotating wheel 2.9 in a welding mode, the clamping motor 2.10 is fixed on the rotating seat 2.2 through a bolt, a chord member extending into the through hole 2.3 is clamped through a chord member clamping assembly, when the chord member extends into the through hole 2.3, the clamping ring 2.5 is coaxial with the through hole 2.3, when the chord is required to be clamped, the rotating wheel 2.9 rotates, the connecting rod 2.8 pulls the pull rod 2.6 to move inwards, so that the centre of a circle of the clamping ring 2.5 is offset from the centre of a circle of the through hole 2.3, so that the chord is clamped by the through hole 2.3 and the clamping ring 2.5, when the chord is required to be loosened, the loosening can be realized only by reversing the rotating wheel 2.9; a first sliding component 2.11 is arranged between the base 2.1 and each bracket (a transverse guide groove is arranged on the base 2.1, two sliding blocks are embedded in the guide groove, each sliding block is fixed with the corresponding bracket in a welding mode, the first sliding component 2.11 comprises a bidirectional screw rod, the base 2.1 is fixed with the bidirectional screw rod through a bearing, the bidirectional screw rod penetrates through the brackets, the bidirectional screw rod is in threaded fit with the brackets, the two brackets are respectively matched with two opposite thread sections on the bidirectional screw rod, a stepping motor 1.4 is fixed at the right end of the bidirectional screw rod through a welding mode, the two brackets are driven to be close to or far away from each other through the stepping motor 1.4, when the two rotary seats 2.2 are far away from each other, the suspension arm can be dismounted from the rotary tool, the two rotary seats 2.2 need to be reset before the chord rod is fed), the two brackets are far away from each other through the first sliding component 2.11 to realize the chord rod is separated from the rotary welding tool 2, thus facilitating the loading of the chord member and the unloading of the suspension arm; a connecting rod clamping tool 3 is fixed on the ground on the right side of the rotary welding tool 2 through a bolt, the connecting rod clamping tool 3 comprises a fixed disc 3.1 and a connecting rod clamping component 3.11, wherein one side (right side) of the rotary welding tool 2, which is far away from the chord feeding mechanism 1, is provided with the fixed disc 3.1, the fixed disc 3.1 and the ground are provided with a second sliding component 3.2 (the second sliding component 3.2 comprises a one-way screw rod, a sliding seat and a stepping motor 1.4, two ends of the one-way screw rod are fixed on the ground through a bearing and a bearing seat, the right end of the one-way screw rod is fixed with the stepping motor 1.4 through a welding mode, the stepping motor 1.4 drives the one-way screw rod to rotate, the one-way screw rod penetrates through the sliding seat and is in threaded fit with the one-way screw rod, a guide rod penetrates through the sliding seat and two ends of the guide rod are fixed on the bearing seat through a welding mode, the sliding seat slides along the one-way screw rod through the rotation of the stepping motor 1.4), the fixed plate 3.1 is a three-jaw chuck, each jaw of the three-jaw chuck is fixed with a fixed rod 3.3 (namely three fixed rods 3.3) in a welding mode, each fixed rod is fixed with a plurality of connecting rod clamping components 3.11 arranged at equal intervals (the connecting rod clamping components 3.11 on each fixed rod are arranged side by side transversely), each connecting rod clamping component 3.11 comprises a clamping block 3.12, a clamping groove 3.13 and a fixed bolt 3.14, the clamping block 3.12 is fixed on the fixed rod 3.3 in a welding mode (the inclined angle of the clamping block 3.12 is fixed, so that the inclined angle of the connecting rod welded on the chord rod is also fixed), one end (the end of the clamping block 3.12, which is far away from the fixed rod 3.3) (the end of the clamping block 3.12, which is close to the chord rod) is provided with the clamping groove 3.13 for clamping the connecting rod, the fixed bolt 3.14 penetrates through the clamping block 3.12 and is in threaded fit with the clamping block 3.12, the fixed bolt 3.14 penetrates through the clamping block 3.12 to extend into the clamping groove 3.13, fixing the connecting rod in a clamping groove 3.13 through a fixing bolt 3.14, clamping the connecting rod on a connecting rod clamping component 3.11, enabling the fixing rod 3.3 to be close to the chord member and enabling the connecting rod to lean against the chord member through a three-jaw chuck, so that the connecting rod does not need to be manually held in the welding process, the labor intensity of workers is reduced, meanwhile, the connecting rod clamping tool 3 completes left-right translation through a second sliding component 3.2, when the welding between the connecting rod and the chord member is needed, the connecting rod clamping tool 3 moves leftwards to enable the connecting rod clamping tool 3 to be superposed with a rotary welding tool 2, then the fixing rod 3.3 is enabled to approach the chord member through the three-jaw chuck, so that the connecting rod leans against the chord member, after the welding is finished, the fixing rod 3.3 is far away from the chord member under the action of the three-jaw chuck, so that the connecting rod is separated from the clamping connecting rod tool 3, and then the second sliding component 3.2 enables the fixing rod 3.3.3 to move rightwards, therefore, the connecting rod clamping tools 3 and the rotary welding tools 2 are staggered, so that when chord member feeding is carried out, a worker clamps the connecting rods to each connecting rod clamping tool 3, the connecting rods and the rotary welding tools are synchronously carried out, and the welding efficiency is improved; a transverse linear motor 3.6 is fixed on each fixed rod 3.3 in a welding mode, a connecting frame 3.7 vertical to the fixed rod 3.3 is fixed on the linear motor 3.6 in a welding mode, the connecting frame 3.7 extends towards two ends, a welding pen 3.10 is fixed at the tail end of the connecting frame 3.7 in a welding mode, a buffer spring 3.8 is arranged between the welding pen 3.10 and the connecting frame 3.7, a telescopic rod 3.9 is arranged in the buffer spring 3.8, two ends of the telescopic rod 3.9 are respectively connected with the connecting frame 3.7 (the telescopic rod 3.9 is fixed between the welding pen 3.10 and the connecting frame 3.7 in a welding mode, the buffer spring 3.8 is sleeved on the telescopic rod 3.9, two ends of the buffer spring 3.8 respectively abut against the welding pen 3.10 and the connecting frame 3.7), after the welding pen 3.10 is fixed, a contact point of the chord rod is in contact with a welding point of the welding pen 3.10 (thus, when the welding is performed with prewelding, the arc surface of the connecting rod 3.10 can be welded along the welding point, thus ensuring the pre-weld to be fixed without easily falling off), the connecting rod and the chord member are pre-welded by the welding pen 3.10.
The clamping block 3.12 and the fixing rod 3.3 are fixed through the rotary joint 3.4 (the rotary joint 3.4 is a cylinder welded on the fixing rod 3.3, a round rod is inserted into the cylinder, the round rod and the clamping block 3.12 are fixed in a welding mode), the locking bolt 3.5 penetrates through the cylinder of the rotary joint 3.4, the locking bolt 3.5 is in threaded fit with the rotary joint 3.4, the locking bolt 3.5 extends into the cylinder, the rotary joint 3.4 is locked through the locking bolt 3.5, the locking bolt 3.5 locks the round rod, the rotary joint 3.4 is prevented from rotating, the inclination angle of the clamping block 3.12 can be adjusted, and the adjustment can be conveniently carried out according to the requirements of products.
A first alignment component 3.15 is arranged between the transfer wheel 1.1 and the rotary seat 2.2, an infrared sensing probe 3.17 is arranged on one side of each through hole 2.3 of the rotary seat 2.2, an infrared emission probe 3.18 is arranged on one side of each storage groove 1.2 of the transfer wheel 1.1, and when the infrared sensing probe 3.17 corresponds to the infrared emission probe 3.18, the storage groove 1.2 corresponding to the infrared emission probe 3.18 is coaxial with the through hole 2.3 corresponding to the infrared sensing probe 3.17; a second aligning component 3.16 is arranged between the pushing component 4 and the transferring wheel 1.1, the second aligning component 3.16 also comprises an infrared sensing probe 3.17 and an infrared emission probe 3.18, the infrared sensing probe 3.17 is fixed on the pushing component 4, the infrared emission probe 3.18 is fixed at one end of each storage tank close to the pushing component 4, when the infrared sensing probe 3.17 on the second aligning component 3.16 is opposite to the infrared emission probe 3.18, the transferring wheel 1.1 stops rotating, the pushing component ejects, the first aligning component 3.15, the second aligning component 3.16, the air cylinder, the motor for driving the rotation of the rotary welding tool 2 and the stepping motor 1.4 for driving the rotation of the transferring wheel 1.1 are connected with the same controller, the pushing component 4, the transferring wheel 1.1 and the rotary welding tool 2 are aligned through the first aligning component 3.15 and the second aligning component 3.16, when the chord pole is loaded, the controller controls the motor for driving the rotary welding tool 2 to rotate and the stepping motor 1.4 for driving the transfer wheel 1.1 to rotate to stop working, after the feeding is finished, the ejection assembly 4 returns, and the motor for driving the rotary welding tool 2 to rotate and the stepping motor 1.4 for driving the transfer wheel 1.1 to rotate start to work coaxially.
Claims (6)
1. A tower crane jib spin welding device capable of being rapidly clamped comprises a chord member feeding mechanism, a spin welding tool and a connecting rod clamping tool, and is characterized in that the spin welding tool is automatically fed through the chord member feeding mechanism, the chord member feeding mechanism comprises a transfer wheel and storage grooves, the transfer wheel is fixed on the ground through a bearing, a plurality of storage grooves are fixed on the transfer wheel in a fixed mode, the storage grooves are fixed on the transfer wheel in an annular array mode, the storage grooves are arc-shaped grooves, a plurality of electromagnets are arranged in the arc-shaped grooves, chords in the storage grooves are fixed in the storage grooves through the electromagnets, the transfer wheel is connected with a stepping motor, and the transfer wheel is driven to rotate through the stepping motor; a rotary welding tool is arranged on one side of the chord member feeding mechanism and comprises a base, a rotary seat and a chord member clamping assembly, two supports are arranged on the base and are arranged oppositely, a rotary seat is fixed on each support through a bearing, a through hole through which three chord members pass is formed in each rotary seat, a storage groove in a transfer wheel corresponds to the through hole in the rotary seat in position, a pushing assembly is arranged on one side of the transfer wheel, which is far away from the rotary seat, the chord members are pushed into the through holes through the pushing assembly, the chord member clamping assembly is arranged in each through hole, the chord members extending into the through holes are clamped through the chord member clamping assembly, a first sliding assembly is arranged between the base and each support, and the two supports are far away from each other through the first sliding assembly to realize the separation of the chord members from the rotary welding tool; the connecting rod clamping tool is arranged on the outer side of the rotary welding tool and comprises a fixed disc and a connecting rod clamping assembly, wherein the fixed disc is arranged on one side, away from the chord member feeding mechanism, of the rotary welding tool, a second sliding assembly is arranged on the bottom surface of the fixed disc, the fixed disc is a three-jaw chuck, a fixed rod is fixed on each jaw of the three-jaw chuck in a welding mode, a plurality of connecting rod clamping assemblies arranged at equal intervals are fixed on each fixed rod, the connecting rods are clamped on the connecting rod clamping assemblies, and the fixed rods are close to the chord members through the three-jaw chuck; a linear motor is fixed on each fixing rod, a welding pen is fixed on each linear motor, the contact point of the connecting rod and the chord member is in contact with the welding point of the welding pen, and the connecting rod and the chord member are prewelded through the welding pen.
2. The device for rotatably welding the jib of the tower crane capable of being rapidly clamped as claimed in claim 1, wherein the jib clamping assembly comprises a clamping ring, a pull rod and a clamping motor, the rotating base is hollow, the clamping ring is arranged at each through hole of the rotating base and is coaxial with the corresponding through hole, the pull rod is hinged to each clamping ring in a welding manner, a rotating wheel is fixed at the center of the rotating base through a bearing, the rotating wheel is located in the hollow of the rotating base, a guide cylinder is sleeved on each pull rod and is fixed on the rotating base, a connecting rod is fixed at the tail end of each pull rod and the rotating wheel in a hinging manner, a hinge point of the connecting rod and the rotating wheel is offset from the center of the rotating wheel, and the clamping motor is fixed on the rotating wheel and is fixed on the rotating base.
3. The tower crane boom rotation welding device capable of being clamped quickly as claimed in claim 2, wherein the connecting rod clamping assembly comprises a clamping block, a clamping groove and a fixing bolt, the clamping block is fixed on the fixing rod, the end of the clamping block, which is far away from the fixing rod, is provided with the clamping groove for clamping the connecting rod, the fixing bolt penetrates through the clamping block and is in threaded fit with the clamping block, the fixing bolt penetrates through the clamping block and extends into the clamping groove, and the connecting rod is fixed in the clamping groove through the fixing bolt.
4. The device for rotatably welding the suspension arm of the tower crane capable of being clamped quickly as claimed in claim 3, wherein the clamping block and the fixing rod are fixed through a rotary joint, a locking bolt is arranged on the rotary joint, the rotary joint is locked through the locking bolt, and the rotary joint is prevented from rotating, so that the inclination angle of the clamping block can be adjusted, and the device can be adjusted conveniently according to the requirements of products.
5. The tower crane boom spin welding device capable of being clamped quickly as claimed in claim 4, wherein a connecting frame is fixed on the linear motor, the connecting frame extends outwards, a welding pen is fixed at the tail end of the connecting frame, a buffer spring is arranged between the welding pen and the connecting frame, a telescopic rod is arranged in the buffer spring, and two ends of the telescopic rod are respectively fixed with the connecting frame and the welding pen.
6. The tower crane boom rotation welding device capable of being clamped quickly as claimed in claim 5, wherein a first alignment assembly is arranged between the transfer wheel and the rotating seat, an infrared sensing probe is arranged on one side of each through hole of the rotating seat, an infrared emission probe is arranged on one side of each storage groove of the transfer wheel, and when the infrared sensing probe corresponds to the infrared emission probe, the storage groove corresponding to the infrared emission probe is coaxial with the through hole corresponding to the infrared induction probe; the second aligning component is arranged between the pushing component and the transfer wheel and also comprises an infrared sensing probe and an infrared emission probe, the infrared sensing probe is fixed on the pushing component, the infrared emission probe is fixed at one end, close to the pushing component, of each storage tank, and when the infrared sensing probe on the second aligning component is opposite to the infrared emission probe, the transfer wheel stops rotating, and the pushing component is ejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538895.XA CN111843261B (en) | 2020-06-13 | 2020-06-13 | Tower crane jib spin welding device capable of being rapidly clamped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538895.XA CN111843261B (en) | 2020-06-13 | 2020-06-13 | Tower crane jib spin welding device capable of being rapidly clamped |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111843261A CN111843261A (en) | 2020-10-30 |
| CN111843261B true CN111843261B (en) | 2021-11-23 |
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| CN202010538895.XA Active CN111843261B (en) | 2020-06-13 | 2020-06-13 | Tower crane jib spin welding device capable of being rapidly clamped |
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| CN113834820B (en) * | 2021-11-18 | 2023-11-07 | 临澧金华天机械制造有限公司 | Automatic searchlighting device for welding tower crane boom |
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| CN111843261A (en) | 2020-10-30 |
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Denomination of invention: A rapid clamping tower crane boom rotary welding device Effective date of registration: 20220818 Granted publication date: 20211123 Pledgee: Linli Sub-branch of Bank of Changsha Co.,Ltd. Pledgor: Linli jinhuatian Machinery Manufacturing Co.,Ltd. Registration number: Y2022980012952 |