CN107160016A - The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it - Google Patents

The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it Download PDF

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Publication number
CN107160016A
CN107160016A CN201710385621.XA CN201710385621A CN107160016A CN 107160016 A CN107160016 A CN 107160016A CN 201710385621 A CN201710385621 A CN 201710385621A CN 107160016 A CN107160016 A CN 107160016A
Authority
CN
China
Prior art keywords
straight tube
pipe fitting
face
counterweight
welded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710385621.XA
Other languages
Chinese (zh)
Inventor
孟庆若
梁丙海
吕小合
张志刚
甘波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Engineering Group Tianjin Electric Power Construction Co Ltd
Original Assignee
China Energy Engineering Group Tianjin Electric Power Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Energy Engineering Group Tianjin Electric Power Construction Co Ltd filed Critical China Energy Engineering Group Tianjin Electric Power Construction Co Ltd
Priority to CN201710385621.XA priority Critical patent/CN107160016A/en
Publication of CN107160016A publication Critical patent/CN107160016A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/18Submerged-arc welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The present invention provides the method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with the device, including counterweight, chain and retaining mechanism, the chain is the hoisting chain that some iron hoops are socketed to form successively, described chain one end and retaining mechanism are fixed at two relative sides of counterweight respectively, the retaining mechanism includes clamping screw and locking box, the head of the clamping screw is the cylinder that diameter is less than diameter of thread, the locking box is a cuboid box, locking box does not set top plate and bottom plate, one side of locking box is fixedly connected with counterweight, it is face A sideways to set this, the side relative with face A is set as face B, face B is provided with the tapped through hole coordinated with clamping screw, face A is provided with the cylindrical hole with clamping screw head fits, face B tapped through hole and face A cylindrical hole are coaxial and are each perpendicular to face A;The present invention makes automatic submerged-arc welding machine when being not equipped with positioner, can still carry out the welding of straight tube and pipe fitting, improve production efficiency.

Description

The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it
Technical field
Used the present invention relates to steel pipe Lincoln weld technical field, more particularly to straight tube with pipe fitting Lincoln weld with refitting The method put and welded with it.
Background technology
In pipe prefabrication processing industry, the primary structure of product has:Straight tube and straight tube welding, straight tube and pipe fitting (including Elbow, bend pipe, threeway and shaped piece etc.) welding, Lincoln weld is commonly used a kind of high-quality in the current industry, efficiently Welding method, the utilization rate of Lincoln weld is higher, more can reduce project cost and project duration.Work as automatic submerged-arc welding machine Positioner is not equipped with, when straight tube is with straight tube welding, rotates what is needed because the frictional force between workpiece and turning rolls is more than workpiece Torsion, so Lincoln weld can be carried out;But when straight tube is with pipe fitting welding, due to the eccentric force of pipe fitting, cause work Frictional force between part and turning rolls rotates the torsion needed much smaller than workpiece, so Lincoln weld can not be used, influences Production efficiency and product quality.To solve the above problems, part process unit by the way of the weld counterweight on straight tube come Offset the eccentric moment that causes of pipe fitting, it is to be welded after the completion of counterweight is cut again, easily straight tube is injured, inconvenience is removed and installed.
The content of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of straight tube and pipe fitting Lincoln weld counter weight device are provided And the method welded with it.
The present invention to achieve the above object, using following technical scheme:Straight tube and pipe fitting Lincoln weld counter weight device, Including counterweight, chain and retaining mechanism, the chain is the hoisting chain that some iron hoops are socketed to form successively, described chain one end And retaining mechanism is fixed at two relative sides of counterweight respectively, the retaining mechanism includes clamping screw and locking box, The head of the clamping screw is the cylinder that diameter is less than diameter of thread, and the locking box is a cuboid box, and locking box is not set Top plate and bottom plate, a side of locking box are fixedly connected with counterweight, and it is face A sideways to set this, the side setting relative with face A The tapped through hole coordinated with clamping screw is provided with for face B, face B, face A is provided with the cylindrical hole with clamping screw head fits, face B Tapped through hole and face A cylindrical hole it is coaxial and be each perpendicular to face A.
The counterweight includes base, some balancing weights and connecting bolt, and described chain one end and retaining mechanism are fixed respectively Located at two relative sides of base, it is all provided with fluted at the top of the base and balancing weight, groove both sides are provided with screwed hole, institute Balancing weight bottom is stated provided with boss, boss both sides are provided with screwed hole, boss insertion groove, the connecting bolt screw in groove and Some balancing weights are connected by the screwed hole of boss with base.
The bottom of the counterweight is dovetail groove, and the external cylindrical surface of straight tube to be welded and two sides of dovetail groove are tangent.
The present invention also provides the method welded using straight tube and pipe fitting Lincoln weld with counter weight device, including as follows Step:
1. calculate the weight of pipe fitting to be welded, determine its eccentric moment;
2. first pipe fitting and straight tube to be welded are docking together on the ground, and carried out in the contact surface of pipe fitting and straight tube Welding, makes pipe fitting be connected with straight tube;
3. straight tube is lain in a horizontal plane on turning rolls, straight tube is placed in the drive end of turning rolls close to one end of pipe fitting;
4. the weight size of counterweight is selected according to the eccentric moment of pipe fitting, by with being refitted on straight tube to be welded, and is adjusted Save counterweight position, make the center of gravity of counterweight, the center of gravity of pipe fitting and straight tube axis be in same plane, and counterweight with pipe fitting to straight The equalising torque of pipe axis is offset, and chain is from bottom to top through locking box after straight tube winding, and clamping screw passes through the iron of chain Ring, the cylindrical hole of clamping screw head insertion locking box, makes counterweight be securely fastened on straight tube;
5. start turning rolls motor and automatic submerged-arc welding machine, welded.
The beneficial effects of the invention are as follows:Counterweight and the equalising torque of pipe fitting are offset when the present invention is used, and straight tube can at the uniform velocity turn It is dynamic, so as to when automatic submerged-arc welding machine is not equipped with positioner, can still carry out the welding of straight tube and pipe fitting, improve production efficiency and Product quality, balance weight is adjustable, is suitable for the welding of the straight tube and pipe fitting of different dimensions, and counterweight is detachable, dismounting letter It is single, it is to avoid damage straight tube.
Brief description of the drawings
Fig. 1 is the front view of the counter weight device of the present invention;
Fig. 2 is the right view of the counter weight device of the present invention;
Fig. 3 is the chain schematic diagram of the counter weight device of the present invention;
Fig. 4 is the use state schematic diagram of the counter weight device of the present invention;
In figure:1- balancing weights;2- connecting bolts;3- bases;4- chains;5- locks box;6- clamping screws;7- counterweights;8- Retaining mechanism;9- straight tubes;10- pipe fittings;11- turning rolls;
It is described in detail referring to the drawings below with reference to embodiments of the invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples:
As shown in Figure 1 to 4, straight tube and pipe fitting Lincoln weld counter weight device, including counterweight 7, chain 4 and locking machine Structure 8, the chain 4 is the hoisting chain that some iron hoops are socketed to form successively, and described one end of chain 4 and retaining mechanism 8 are solid respectively Surely two relative sides of counterweight 7 are located at, the retaining mechanism 8 includes clamping screw 6 and locking box 5, the clamping screw 6 Head for diameter be less than diameter of thread cylinder, the locking box 5 be a cuboid box, locking box 5 do not set top plate and bottom plate, One side of locking box 5 is fixedly connected with counterweight 7, and it is sideways face A to set this, and the side relative with face A is set as face B, face B Provided with the tapped through hole coordinated with clamping screw 6, face A is provided with the cylindrical hole with the head fits of clamping screw 6, face B screw thread Through hole and face A cylindrical hole are coaxial and are each perpendicular to face A.
The counterweight 7 includes 8 points of base 3, some balancing weights 1 and connecting bolt 2, described one end of chain 4 and retaining mechanism It is not fixed at two relative sides of base 3, the top of base 3 and balancing weight 1 is all provided with fluted, and groove both sides are provided with Screwed hole, the bottom of balancing weight 1 is provided with boss, and boss both sides are provided with screwed hole, boss insertion groove, the connecting bolt Some balancing weights 1 are connected by the screwed hole of 2 screw-in grooves and boss with base 3.
The bottom of the counterweight 7 is dovetail groove, two side phases of the external cylindrical surface and dovetail groove of straight tube 9 to be welded Cut.
The present invention also provides the method welded using straight tube and pipe fitting Lincoln weld with counter weight device, including as follows Step:
1. calculate the weight of pipe fitting 10 to be welded, determine its eccentric moment;
2. first pipe fitting 10 and straight tube 9 to be welded are docking together on the ground, and in contact of the pipe fitting 10 with straight tube 9 Face is welded, and pipe fitting 10 is connected with straight tube 9;
3. straight tube 9 is lain in a horizontal plane on turning rolls 11, straight tube 9 is placed in the active of turning rolls 11 close to one end of pipe fitting 10 End;
4. the weight size of counterweight 7 is selected according to the eccentric moment of pipe fitting 10, counterweight 7 is placed on straight tube 9 to be welded, And the position of counterweight 7 is adjusted, the axis of the center of gravity, the center of gravity of pipe fitting 10 and straight tube 9 of counterweight 7 is in same plane, and counterweight 7 The equalising torque of the axis of straight tube 9 is offset with pipe fitting 10, chain 4 is after the winding of straight tube 9 from bottom to top through locking box 5, locking Bolt 6 passes through the iron hoop of chain 4, and the cylindrical hole of the head of clamping screw 6 insertion locking box 5 makes counterweight 7 be securely fastened to straight tube On 9;
5. start the motor of turning rolls 11 and automatic submerged-arc welding machine, welded.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented not by aforesaid way Limitation, as long as employ the inventive concept and technical scheme of the present invention progress various improvement, or it is not improved directly apply In other occasions, within protection scope of the present invention.

Claims (4)

1. straight tube and pipe fitting Lincoln weld counter weight device, it is characterised in that including counterweight (7), chain (4) and retaining mechanism (8), the chain (4) is the hoisting chain that some iron hoops are socketed to form successively, described chain (4) one end and retaining mechanism (8) Two relative sides of counterweight (7) are fixed at respectively, and the retaining mechanism (8) includes clamping screw (6) and locking box (5), the head of the clamping screw (6) is the cylinder that diameter is less than diameter of thread, and the locking box (5) is a cuboid box, Locking box (5) does not set top plate and bottom plate, and a side of locking box (5) is fixedly connected with counterweight (7), and it is face A sideways to set this, The side relative with face A is set as that face B, face B are provided with the tapped through hole coordinated with clamping screw (6), and face A is provided with and clamping screw (6) cylindrical hole of head fits, face B tapped through hole and face A cylindrical hole are coaxial and are each perpendicular to face A.
2. straight tube according to claim 1 and pipe fitting Lincoln weld counter weight device, it is characterised in that the counterweight (7) base (3), some balancing weights (1) and connecting bolt (2) are included, described chain (4) one end and retaining mechanism (8) are solid respectively Surely it is located at the top of two relative sides of base (3), the base (3) and balancing weight (1) and is all provided with fluted, groove both sides is set There is screwed hole, balancing weight (1) bottom is provided with boss, and boss both sides are provided with screwed hole, boss insertion groove, the connection Bolt (2) screws in groove and some balancing weights (1) are connected by the screwed hole of boss with base (3).
3. straight tube according to claim 1 or 2 and pipe fitting Lincoln weld counter weight device, it is characterised in that described to match somebody with somebody The bottom of weight (7) is dovetail groove, and the external cylindrical surface of straight tube (9) to be welded and two sides of dovetail groove are tangent.
4. welded using the straight tube any one of claims 1 to 33 and pipe fitting Lincoln weld with counter weight device Method, it is characterised in that comprise the following steps:
1. calculate the weight of pipe fitting (10) to be welded, determine its eccentric moment;
2. first pipe fitting (10) and straight tube (9) to be welded are docking together on the ground, and in pipe fitting (10) and straight tube (9) Contact surface is welded, and pipe fitting (10) is connected with straight tube (9);
3. straight tube (9) is lain in a horizontal plane on turning rolls (11), straight tube (9) is placed in turning rolls (11) close to one end of pipe fitting (10) Drive end;
4. the weight size of counterweight (7) is selected according to the eccentric moment of pipe fitting (10), counterweight (7) is placed in straight tube to be welded (9) on, and the position of counterweight (7) is adjusted, the axis of the center of gravity, the center of gravity of pipe fitting (10) and straight tube (9) of counterweight (7) is in together One plane, and equalising torque counteracting of the counterweight (7) with pipe fitting (10) to straight tube (9) axis, chain (4) is after straight tube (9) winding From bottom to top through locking box (5), clamping screw (6) passes through the iron hoop of chain (4), clamping screw (6) head insertion locking box (5) cylindrical hole, makes counterweight (7) be securely fastened on straight tube (9);
5. start turning rolls (11) motor and automatic submerged-arc welding machine, welded.
CN201710385621.XA 2017-05-26 2017-05-26 The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it Withdrawn CN107160016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710385621.XA CN107160016A (en) 2017-05-26 2017-05-26 The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710385621.XA CN107160016A (en) 2017-05-26 2017-05-26 The method that straight tube is welded with pipe fitting Lincoln weld counter weight device and with it

Publications (1)

Publication Number Publication Date
CN107160016A true CN107160016A (en) 2017-09-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058025A (en) * 1975-06-16 1977-11-15 Wood Charles A Counterweight assembly
CN202539829U (en) * 2012-01-06 2012-11-21 南车眉山车辆有限公司 Tank counterweight device for tank truck
CN103121151A (en) * 2011-11-18 2013-05-29 阜新华通管道有限公司 Counter-weight device used in bend and straight pipe automatic welding technique
KR20130123777A (en) * 2012-05-03 2013-11-13 현대중공업 주식회사 Automatic welding method of a big pipe and a big elbow pipe
CN103624367A (en) * 2013-11-20 2014-03-12 南京奥特电气股份有限公司 Heavy elbow pipe welding device
CN104493370A (en) * 2014-11-26 2015-04-08 天津市海能管道有限公司 Automatic welding process for small-diameter pipe
DE102013020292A1 (en) * 2013-12-09 2015-06-11 Jungheinrich Aktiengesellschaft Battery system for a truck
CN207043526U (en) * 2017-05-26 2018-02-27 中国能源建设集团天津电力建设有限公司 Straight tube and pipe fitting Lincoln weld counter weight device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058025A (en) * 1975-06-16 1977-11-15 Wood Charles A Counterweight assembly
CN103121151A (en) * 2011-11-18 2013-05-29 阜新华通管道有限公司 Counter-weight device used in bend and straight pipe automatic welding technique
CN202539829U (en) * 2012-01-06 2012-11-21 南车眉山车辆有限公司 Tank counterweight device for tank truck
KR20130123777A (en) * 2012-05-03 2013-11-13 현대중공업 주식회사 Automatic welding method of a big pipe and a big elbow pipe
CN103624367A (en) * 2013-11-20 2014-03-12 南京奥特电气股份有限公司 Heavy elbow pipe welding device
DE102013020292A1 (en) * 2013-12-09 2015-06-11 Jungheinrich Aktiengesellschaft Battery system for a truck
CN104493370A (en) * 2014-11-26 2015-04-08 天津市海能管道有限公司 Automatic welding process for small-diameter pipe
CN207043526U (en) * 2017-05-26 2018-02-27 中国能源建设集团天津电力建设有限公司 Straight tube and pipe fitting Lincoln weld counter weight device

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Application publication date: 20170915

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