CN112139726A - Beam main body welding reversible deformation device for front crane and use method thereof - Google Patents
Beam main body welding reversible deformation device for front crane and use method thereof Download PDFInfo
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- CN112139726A CN112139726A CN202010793559.XA CN202010793559A CN112139726A CN 112139726 A CN112139726 A CN 112139726A CN 202010793559 A CN202010793559 A CN 202010793559A CN 112139726 A CN112139726 A CN 112139726A
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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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
- B23K31/003—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 controlling of welding distortion
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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
Abstract
The invention discloses a cross beam main body welding reversible deformation device for a front crane, belonging to the technical field of port machinery; the device comprises a support frame, a support base plate, a first pressing and positioning device, a second pressing and positioning device and a longitudinal pressing and positioning device, wherein the second pressing and positioning device and the longitudinal pressing and positioning device are detachably connected with the support base plate; the invention aims to overcome the defects in the prior art, and provides a welding reversible deformation device for a beam main body for a front crane and a using method thereof, which can quickly and conveniently lock and fix the beam main body for the front crane, effectively control welding deformation, improve tailor welding efficiency, ensure dimensional accuracy and improve product quality.
Description
Technical Field
The invention relates to a beam main body welding reversible deformation device for a front crane and a using method thereof, belonging to the technical field of port machinery.
Background
The lifting appliance is a key part of the front lifting appliance of the mobile harbor machinery, wherein the beam main body is a difficult point and a key point in the production and manufacturing process due to the complex structure form and large welding amount. The national development of our country is changed from high speed to high quality, the product quality is raised to the national strategic height which is not existed before, meanwhile, the new form of manufacturing industry marked by 'intellectualization' becomes the irreversible trend, and the design and application of a high-efficiency, high-quality and low-labor-intensity combined device becomes the irreversible trend;
the traditional assembling process of the beam main body is completely carried out manually, after scribing, parts are adjusted to relevant positions through methods such as travelling crane adjustment and transportation, copper hammer knocking and the like, the efficiency is low, the precision is low, manpower is consumed, meanwhile, workpieces can be damaged, anti-deformation measures are not needed in the welding process, manual shape adjustment is carried out after welding, and the quality and the consistency are poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a welding reversible deformation device for a beam main body for a front crane and a using method thereof, which can quickly and conveniently lock and fix the beam main body for the front crane, effectively control welding deformation, improve tailor welding efficiency, ensure dimensional accuracy and improve product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a welding reversible deformation device for a beam main body for a front crane comprises a support frame, a support bottom plate, a first pressing and positioning device detachably connected with the support bottom plate, a second pressing and positioning device detachably connected with the support bottom plate and longitudinal pressing and positioning devices arranged at two ends of the support bottom plate, wherein the beam main body for the front crane is arranged on the support bottom plate, the beam main body for the front crane comprises two cylinders, the end parts of the two cylinders are arranged in a staggered manner, door plates are sleeved at the two ends of the beam main body for the front crane, guide rails are arranged on two sides of the crossbeam main body for the front crane, one transverse side of the crossbeam main body for the front crane is a reference end, the other transverse side of the crossbeam main body for the front crane is a stress end, the first pressing and positioning device can press and position the barrel transversely, the second pressing and positioning device can press and position the barrel vertically, and the longitudinal pressing and positioning device can press and position the barrel longitudinally and the door plate.
Furthermore, the first pressing and positioning devices are multiple and are arranged on the two transverse sides of the beam main body for front hanging, and each first pressing and positioning device comprises a first positioning seat detachably connected with the supporting bottom plate, a guide rail pressing plate adjustably connected with the first positioning seat, a transverse rotating seat rotatably connected with the first positioning seat, a guide rail positioning block arranged on the transverse rotating seat, a transverse positioning block connected with the first positioning seat and a guide rail process plate arranged on the first positioning seat; the guide rail can be clamped between the guide rail pressing plate and the guide rail positioning block and is pressed and positioned, and the transverse positioning block can be in contact with and pressed against the transverse side face of the barrel.
Furthermore, a transverse positioning block in the first pressing positioning device adjacent to the stress end is adjustably connected with the first positioning seat through a transverse locking screw rod; the guide rail pressing plate is connected with the first positioning seat through a guide rail locking screw, the guide rail pressing plate is provided with an adjusting long circular hole, the guide rail locking screw penetrates through the adjusting long circular hole and is in threaded connection with the first positioning seat, the periphery of the guide rail locking screw between the guide rail pressing plate and the first positioning seat is further sleeved with a spring, the door plate pressing rod below is further provided with an adjusting bolt and is in threaded connection with the first positioning seat, two sides below the guide rail pressing plate are provided with limiting plates, and the adjusting bolt is arranged between the limiting plates.
Furthermore, the second pressing and positioning devices are multiple and are arranged on the two transverse sides of the beam main body for front crane, and each second pressing and positioning device comprises a second positioning seat, a movable supporting beam rotatably connected with the second positioning seat, a vertical pressing plate adjustably connected with the movable supporting beam, a guide rail pressing plate adjustably connected with the second positioning seat in a sliding manner, a transverse rotating seat rotatably connected with the second positioning seat, a guide rail positioning block arranged on the transverse rotating seat, a transverse positioning block connected to the second positioning seat and a guide rail process plate arranged on the second positioning seat; the horizontal locating piece can contact with the horizontal side of barrel and compress tightly, vertical clamp plate can contact with the top surface of barrel and compress tightly.
Furthermore, a transverse positioning block in a second pressing and positioning device adjacent to the stress end is in sliding adjustable connection with a second positioning seat through a transverse locking screw rod, a guide rail pressing plate is connected with the second positioning seat through a guide rail locking screw rod, the guide rail pressing plate is provided with an adjusting long circular hole, the guide rail locking screw rod penetrates through the adjusting long circular hole to be in threaded connection with the second positioning seat, a spring is further sleeved on the periphery of the guide rail locking screw rod between the guide rail pressing plate and the second positioning seat, an adjusting bolt is further arranged below a door plate pressing rod and is in threaded connection with the second positioning seat, limiting plates are arranged on two sides below the guide rail pressing plate, the adjusting bolt is arranged between the limiting plates, a vertical pressing plate is connected with a movable supporting beam through a vertical locking screw rod, the vertical locking screw rod is in threaded connection with the movable supporting beam, and, is rotatably connected with the vertical pressing plate.
Furthermore, each barrel is correspondingly provided with a longitudinal pressing and positioning device, each longitudinal pressing and positioning device comprises a longitudinal positioning seat, a door plate pressing rod movably connected with the longitudinal positioning seat, a barrel positioning block arranged on the longitudinal positioning seat, a door plate positioning block arranged on the longitudinal positioning seat and a barrel end face pressing screw rod, the door plate can be pressed and positioned between the door plate positioning block and the door plate pressing rod, and the barrel can be pressed and positioned between the barrel end face pressing screw rod and the barrel positioning block.
Further, be connected through door plant locking screw between door plant depression bar and the vertical positioning seat, be equipped with the regulation slotted hole on the door plant depression bar, door plant locking screw passes regulation slotted hole and vertical positioning seat threaded connection, the periphery of door plant locking screw between door plant depression bar and the vertical positioning seat still overlaps and is equipped with the spring, threaded connection has adjusting bolt on the vertical positioning seat that compresses tightly, door plant depression bar both sides are equipped with the limiting plate, adjusting bolt sets up between the limiting plate.
Furthermore, at least one longitudinal pressing positioning device is connected with the supporting base plate in a sliding mode through a longitudinal driving device, a sliding sleeve is arranged below the longitudinal pressing positioning seat, a sliding rail is arranged above the supporting base plate, the sliding sleeve can be clamped on the sliding rail to slide, the longitudinal driving device comprises a driving hinged sleeve seat arranged on the longitudinal pressing positioning seat, a driving push rod connected with the driving hinged sleeve seat in a sliding mode, a hand rod rotationally hinged with the driving hinged sleeve seat and a driving connecting rod arranged between the driving push rod and the hand rod and rotationally hinged with the driving push rod and the hand rod, the hand rod can drive the driving push rod to move when rotating, the front end of the driving push rod is in contact with the adjacent longitudinal pressing positioning device, and the longitudinal pressing positioning device is pushed to be in contact with the adjacent door plate to be.
Furthermore, the support frame is connected with a driving motor, an output shaft of the driving motor is connected with the support bottom plate, and the support bottom plate is further respectively provided with a balancing weight along the two longitudinal ends of the barrel.
The use method of the welding reversible deformation device for the beam body for the front crane comprises the following steps:
A. after the supporting frame, the driving motor and the supporting base are assembled, placing the supporting frame, the driving motor and the supporting base on a proper place, starting the driving motor, and rotating the supporting base to a proper angle;
B. installing the first pressing and positioning device, the second pressing and positioning device and the longitudinal pressing and positioning device on the supporting base, and enabling the transverse locking screws to be located on the same side;
C. placing the cylinder and the door plate on a supporting base, respectively screwing a transverse locking screw rod, a vertical locking screw rod and a cylinder end face compression screw rod after moving to a required position, rotating a hand lever, and locking a driving push rod;
D. placing the guide rail on the guide rail positioning block, moving the guide rail to a required position, sliding a guide rail pressing plate to the required position, screwing the guide rail pressing screw rod tightly, and locking and fixing the guide rail;
E. splicing and welding the guide rail and the cylinder;
F. after the process plate is arranged at a required position, the process plate is spliced and welded with the guide rail;
G. completely welding the guide rail and the cylinder;
H. splicing and welding other required positions;
I. standing for a period of time after welding is finished, and waiting for cooling;
J. and (4) grinding welding spots of the splicing welding of the process plate and the guide rail, and removing the process plate.
Compared with the prior art, the invention has the following beneficial effects:
the technical scheme is provided with a plurality of positioning and pressing devices, can limit and position a plurality of parts and a plurality of directions of the beam main body for the front crane, and has the advantages of convenient and quick use, high positioning precision and high efficiency;
in the technical scheme, part of the positioning and pressing devices are universal, so that the design workload is reduced, the installation, the use and the maintenance are more convenient, and the efficiency is higher;
the technical scheme has high positioning precision, uniform positioning reference surface, good consistency of positioning and welding forming and high finished product quality;
in the technical scheme, the screws are used at multiple positions to quickly adjust the pressure, so that the anti-deformation in the welding process can be effectively inhibited, and the adjustment and the use are convenient.
Drawings
Fig. 1 is a schematic perspective view of a welding reversible deformation device for a beam body for a front crane according to an embodiment of the present invention in a use state;
fig. 2 is a partial structural perspective view of a use state of a welding reversible deformation device for a beam body for a front crane according to an embodiment of the present invention;
fig. 3 is a schematic perspective structural view of a cross beam body for front suspension of a welding reversible deformation device for the cross beam body for front suspension according to an embodiment of the present invention;
fig. 4 is a schematic perspective structural view of a first pressing and positioning device of a welding predeformation device for a beam body for a front crane according to an embodiment of the present invention;
fig. 5 is a schematic perspective structural view of a second pressing and positioning device of a welding predeformation device for a beam body for a front crane, provided by an embodiment of the invention;
fig. 6 is a schematic perspective structural view of a longitudinal pressing and positioning device of a welding predeformation device for a beam body for a front crane, provided by an embodiment of the invention;
fig. 7 is a schematic perspective structural view of a longitudinal driving device of a welding predeformation device for a beam body for a front crane according to an embodiment of the present invention;
fig. 8 is a schematic cross-sectional structural view of a longitudinal driving device of a welding predeformation device for a beam body for a front crane according to an embodiment of the present invention.
Description of reference numerals: 1-support frame, 2-support bottom plate, 3-first compressing and positioning device, 4-second compressing and positioning device, 5-longitudinal compressing and positioning device, 6-barrel, 7-door plate, 8-guide rail, 9-first positioning seat, 10-guide rail press plate, 11-transverse rotating seat, 12-guide rail positioning block, 13-transverse positioning block, 14-guide rail process plate, 15-transverse locking screw, 16-guide rail locking screw, 17-adjusting long circular hole, 18-spring, 19-adjusting bolt, 20-limiting plate, 21-second positioning seat, 22-movable supporting beam, 23-vertical press plate, 24-vertical locking screw, 25-longitudinal positioning seat, 26-door plate press rod, 27-barrel positioning block, 27-guide rail positioning block, 5-longitudinal compressing and positioning device, 6-barrel, 7-door plate, 8-guide rail, 9-first, 28-door plate positioning block, 29-barrel end face compression screw rod, 30-door plate locking screw rod, 31-longitudinal driving device, 32-sliding sleeve, 33-sliding rail, 34-driving hinged sleeve seat, 35-driving push rod, 36-hand lever, 37-driving connecting rod, 38-driving motor and 39-balancing weight.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The welding reversible deformation device for the beam body for the front crane shown in the attached drawing comprises a support frame 1 and a support bottom plate 2, the device comprises a first pressing and positioning device 3, a second pressing and positioning device 4 and longitudinal pressing and positioning devices 5, wherein the first pressing and positioning device 3 is detachably connected with a supporting base plate, the second pressing and positioning device 4 is detachably connected with the supporting base plate, the longitudinal pressing and positioning devices 5 are arranged at two ends of the supporting base plate, a beam body for front lifting is arranged on the supporting base plate, the beam body for front lifting comprises two cylinders 6, the end parts of the two cylinders are arranged in a staggered manner, two ends of the beam body for front lifting are sleeved with door plates 7, guide rails 8 are arranged at two sides of the beam body for front lifting, one transverse side of the beam body for front lifting is a reference end, the other transverse side of the beam body for front lifting is a stress end, the first pressing and positioning device can perform pressing and positioning on the transverse direction of the cylinders, the second pressing and positioning;
the beam body for the front crane is a key part of a hoisting apparatus in the field of port machinery, and is generally formed by assembling and welding a plurality of accessories such as a cylinder body, an additional door plate, a guide rail and the like with two end parts arranged in a staggered way, has higher requirement on the dimensional accuracy after molding and larger dimension, the assembly and welding of the traditional cylinder body are all operated manually, the part is marked by marking before welding, and then is adjusted to a relevant position by methods such as driving adjustment, copper hammer knocking and the like, the method has low efficiency and precision, consumes labor and labor, and can cause irreversible damage to a workpiece, meanwhile, the welding process has no reversible deformation measures, all the manual adjustment is carried out after welding, the quality of a welded finished product is poor, and the consistency is poor, and the welding reversible deformation device provided by the technical scheme can conveniently limit and compress the beam body for the front crane in a plurality of directions and can inhibit deformation in the welding process, ensure the finished product quality after the welding, high efficiency, the precision is high, use manpower sparingly, openly hang and compress tightly fixedly with the positioner of crossbeam main part by the different, use and adjust conveniently, the precision is high, benchmark end and stress end are not fixed, divide the regulation by the manual work before the welding, and according to benchmark end and stress end after fixing, the first positioner that compresses tightly of corresponding selection, the second compresses tightly positioner, vertically compress tightly positioner's mounted position, make whole welding precision higher, the uniformity is better, it is more convenient to install and adjust.
The first pressing and positioning devices are arranged on the two transverse sides of the beam main body for the front crane and comprise a first positioning seat 9 detachably connected with the supporting bottom plate, a guide rail pressing plate 10 adjustably connected with the first positioning seat, a transverse rotating seat 11 rotatably connected with the first positioning seat, a guide rail positioning block 12 arranged on the transverse rotating seat, a transverse positioning block 13 connected with the first positioning seat and a guide rail process plate 14 arranged on the first positioning seat; the guide rail can be clamped between the guide rail pressing plate and the guide rail positioning block and is pressed and positioned, and the transverse positioning block can be in contact with and pressed against the transverse side face of the barrel; specifically, a transverse positioning block in a first pressing positioning device adjacent to the stress end is adjustably connected with a first positioning seat through a transverse locking screw 15; the guide rail pressing plate is connected with the first positioning seat through a guide rail locking screw 16, the guide rail pressing plate is provided with an adjusting long circular hole 17, the guide rail locking screw penetrates through the adjusting long circular hole to be in threaded connection with the first positioning seat, a spring 18 is further sleeved on the periphery of the guide rail locking screw between the guide rail pressing plate and the first positioning seat, an adjusting bolt 19 is further arranged below the door plate pressing rod to be in threaded connection with the first positioning seat, limiting plates 20 are arranged on two sides below the guide rail pressing plate, and the adjusting bolt is arranged between the limiting plates;
the transverse positioning block is tightly pressed on the side face of the barrel, one side of the transverse positioning block is fixed, the other side of the transverse positioning block is adjusted to be loose and tight through a screw rod, the transverse positioning block is convenient to use, the first positioning seat and the supporting base plate can be detachably connected through a bolt, an installation hole for installing the first positioning seat can be preset in the supporting base plate, the fixed transverse positioning block and the positioning seat can be connected through a bolt, a proper transverse positioning block is selected according to the size of the beam main body and the welding requirement before use, and the barrel is transversely positioned;
the guide rail is separated from the cylinder body before welding and needs to be separately positioned and pressed, the guide rail positioning block and the transverse rotating seat can also be detachably connected through bolts, the guide rail positioning block with a proper size is selected according to parameters such as the size, the mounting position and the like of the guide rail, the transverse rotating seat is adopted, the mounting arrangement of connecting parts can be reduced, the equipment integration level is improved, and the use is more flexible and convenient; the long round hole can enable the position and the direction of the guide rail pressing plate to be more conveniently adjusted, a lever structure is formed at the contact part of the guide rail pressing plate and the guide rail, the contact part of the guide rail pressing plate and the guide rail pressing screw and the contact part of the guide rail pressing plate and the adjusting bolt, the contact part of the guide rail pressing screw and the guide rail pressing plate is a fulcrum, before the guide rail pressing plate is used, the guide rail pressing plate is pushed to a certain angle under the action of the elastic force of a spring so as to be conveniently butted and installed with the guide rail, and after, the adjusting bolt is rotated to a proper distance, the top end of the bolt is clamped between the limiting plates to prevent the adjusting bolt from being separated from the guide rail pressing plate, then the guide rail pressure plate is adjusted and moved to a proper angle, and then the guide rail locking screw is screwed to overcome the elasticity of the spring, and the guide rail pressing plate is pressed on the guide rail, the guide rail is fixedly pressed between the guide rail positioning block and the guide rail pressing plate, and the inner side end of the guide rail is directly tightly attached to and pressed on the side surface of the cylinder body.
The second pressing and positioning devices are arranged on the two transverse sides of the beam main body for front suspension in a manner similar to the mounting layout manner of the first pressing and positioning devices, and each second pressing and positioning device comprises a second positioning seat 21, a movable supporting beam 22 rotatably connected with the second positioning seat, a vertical pressing plate 23 adjustably connected with the movable supporting beam, a guide rail pressing plate slidably and adjustably connected with the second positioning seat, a transverse rotating seat rotatably connected with the second positioning seat, a guide rail positioning block arranged on the transverse rotating seat, a transverse positioning block connected with the second positioning seat and a guide rail process plate arranged on the second positioning seat; the transverse positioning block can be in contact with and pressed against the transverse side face of the cylinder body, and the vertical pressing plate can be in contact with and pressed against the top face of the cylinder body; similar to the installation layout mode of the first compression positioning device, a transverse positioning block in the second compression positioning device adjacent to the stress end is in sliding adjustable connection with a second positioning seat through a transverse locking screw rod, a guide rail pressing plate is connected with the second positioning seat through a guide rail locking screw rod, an adjusting long circular hole is formed in the guide rail pressing plate, the guide rail locking screw rod penetrates through the adjusting long circular hole to be in threaded connection with the second positioning seat, a spring is further sleeved on the periphery of the guide rail locking screw rod between the guide rail pressing plate and the second positioning seat, an adjusting bolt is further arranged below a door plate pressing rod to be in threaded connection with the second positioning seat, limiting plates are arranged on two sides below the guide rail pressing plate, the adjusting bolt is arranged between the limiting plates, a vertical pressing plate is connected with a movable supporting beam through a vertical locking screw rod 24, the vertical locking screw rod is in threaded connection with the;
the structure of the second compressing and positioning device is the same as that of the first compressing and positioning device, and the second compressing and positioning device can position and compress the transverse direction and the guide rail of the beam main body, and is characterized in that a movable supporting beam, a vertical pressing plate and a guide rail locking screw rod are additionally arranged on the second compressing and positioning device, so that a positioning barrel is compressed from the top to limit the vertical movement of the barrel, the vertical pressing plate is rotatably connected with the guide rail locking screw rod, the angles and the positions of the movable supporting beam and the vertical pressing plate can be rotatably adjusted as required before compression is carried out, the use and adjustment are convenient and quick, the vertical length of a transverse positioning block on the second compressing and positioning device is longer due to the increase of the overall height of the second compressing and positioning device, guide rods are respectively; the second pressing and positioning device has the same structure as the first pressing and positioning device, so that repeated design work is reduced, the production and manufacturing cost is lower, and the use, the replacement and the maintenance are more convenient and faster;
the first pressing and positioning device and the second pressing and positioning device are both provided with process plates, the process plates and the guide rails are welded into a whole before the guide rails are welded, after the guide rails are welded and cooled, the process plates and the guide rails are ground by using a polishing machine, the process plates are removed, and in the process of welding the guide rails, the process plates limit and fix the guide rails, inhibit the deformation of the guide rails and ensure the welding precision and the quality of the formed products.
Specifically, each barrel is correspondingly provided with a longitudinal pressing and positioning device, the longitudinal pressing and positioning device comprises a longitudinal positioning seat 25, a door plate pressing rod 26 movably connected with the longitudinal positioning seat, a barrel positioning block 27 arranged on the longitudinal positioning seat, a door plate positioning block 28 arranged on the longitudinal positioning seat and a barrel end face pressing screw 29, the door plate can be pressed and positioned between the door plate positioning block and the door plate pressing rod, and the barrel can be pressed and positioned between the barrel end face pressing screw and the barrel positioning block; the door plate pressure rod is connected with the longitudinal positioning seat through a door plate locking screw rod 30, an adjusting long circular hole is formed in the door plate pressure rod, the door plate locking screw rod penetrates through the adjusting long circular hole to be in threaded connection with the longitudinal positioning seat, a spring is further sleeved on the periphery of the door plate locking screw rod between the door plate pressure rod and the longitudinal positioning seat, an adjusting bolt is in threaded connection with the longitudinal pressing positioning seat, limiting plates are arranged on two sides of the door plate pressure rod, and the adjusting bolt is arranged between the; the longitudinal pressing positioning device needs to position and press the barrel and the door plate respectively, the pressing positioning structure of the door plate is similar to that of the guide rail, part of components are universal, the production cost is low, and the installation and the replacement are convenient.
Similar to the installation arrangement of the first pressing and positioning device and the second pressing and positioning device, at least one longitudinal pressing and positioning device is connected with the supporting bottom plate in a sliding way through a longitudinal driving device 31, a sliding sleeve 32 is arranged below the longitudinal pressing positioning seat, a sliding rail 33 is arranged above the supporting bottom plate, the sliding sleeve can be clamped on the sliding rail to slide, the longitudinal driving device comprises a driving hinged sleeve seat 34 arranged on the longitudinal pressing positioning seat, a driving push rod 35 connected with the driving hinged sleeve seat in a sliding manner, a hand lever 36 rotationally hinged with the driving hinged sleeve seat and a driving connecting rod 37 arranged between the driving push rod and the hand lever and rotationally hinged with the driving push rod and the hand lever, the driving push rod can be driven to move when the hand lever rotates, the front end of the driving push rod is contacted with the adjacent longitudinal pressing and positioning device, and the longitudinal pressing and positioning device is pushed to be contacted and pressed with the adjacent door panel; the whole compressing and positioning device is controlled to move through the connecting rod mechanism, so that the fixing is realized through longitudinal compression, the convenience and the rapidness are realized, the efficiency is high, the sliding rail and the sliding sleeve are common linear modules, the use is convenient, and the production and installation cost is low.
In one embodiment, the support frame is connected with a driving motor 38, an output shaft of the driving motor is connected with a support bottom plate, and two ends of the support bottom plate along the longitudinal direction of the cylinder body are respectively provided with a balancing weight 39;
the driving motor drives the supporting bottom plate to rotate, the beam main body is conveniently rotated and adjusted to a proper angle, and therefore the beam main body can be conveniently installed, welded and detached, and different angle positions are required.
The use method of the welding reversible deformation device for the beam body for the front crane comprises the following steps:
A. after the supporting frame, the driving motor and the supporting base are assembled, placing the supporting frame, the driving motor and the supporting base on a proper place, starting the driving motor, and rotating the supporting base to a proper angle;
B. installing the first pressing and positioning device, the second pressing and positioning device and the longitudinal pressing and positioning device on the supporting base, and enabling the transverse locking screws to be located on the same side;
C. placing the cylinder and the door plate on a supporting base, respectively screwing a transverse locking screw rod, a vertical locking screw rod and a cylinder end face compression screw rod after moving to a required position, rotating a hand lever, and locking a driving push rod;
D. placing the guide rail on the guide rail positioning block, moving the guide rail to a required position, sliding a guide rail pressing plate to the required position, screwing the guide rail pressing screw rod tightly, and locking and fixing the guide rail;
E. splicing and welding the guide rail and the cylinder;
F. after the process plate is arranged at a required position, the process plate is spliced and welded with the guide rail;
G. completely welding the guide rail and the cylinder;
H. splicing and welding other required positions;
I. standing for a period of time after welding is finished, and waiting for cooling;
J. removing the welding spots of the splicing welding of the process plate and the guide rail by grinding;
the method is operated according to the steps, the beam main body is fixedly pressed and welded, errors are not prone to occurring, splicing welding precision is high, deformation during welding can be restrained, welding finished product quality and precision are improved, manual work amount is reduced, and operation efficiency is improved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a openly hang with crossbeam main part welding anti-deformation device which characterized in that: comprises a supporting frame (1), a supporting bottom plate (2), a first pressing and positioning device (3) detachably connected with the supporting bottom plate, a second pressing and positioning device (4) detachably connected with the supporting bottom plate and longitudinal pressing and positioning devices (5) arranged at two ends of the supporting bottom plate, wherein a beam main body for a front crane is arranged on the supporting bottom plate, the beam main body for the front crane comprises two cylinder bodies (6), the end parts of the two cylinder bodies are arranged in a staggered way, the two ends of the crossbeam main body for the front crane are sleeved with door plates (7), the two sides of the crossbeam main body for the front crane are provided with guide rails (8), one transverse side of the beam body for the front crane is a reference end, the other transverse side of the beam body for the front crane is a stress end, the first pressing and positioning device can press and position the barrel transversely, the second pressing and positioning device can press and position the barrel vertically, and the longitudinal pressing and positioning device can press and position the barrel longitudinally and the door plate.
2. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 1, wherein: the first pressing and positioning devices are arranged on the two transverse sides of the beam main body for the front crane and comprise a first positioning seat (9) detachably connected with the supporting bottom plate, a guide rail pressing plate (10) adjustably connected with the first positioning seat, a transverse rotating seat (11) rotatably connected with the first positioning seat, a guide rail positioning block (12) arranged on the transverse rotating seat, a transverse positioning block (13) connected with the first positioning seat and a guide rail process plate (14) arranged on the first positioning seat; the guide rail can be clamped between the guide rail pressing plate and the guide rail positioning block and is pressed and positioned, and the transverse positioning block can be in contact with and pressed against the transverse side face of the barrel.
3. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 2, wherein: a transverse positioning block in the first pressing positioning device adjacent to the stress end is adjustably connected with the first positioning seat through a transverse locking screw (15); be connected through guide rail locking screw (16) between guide rail clamp plate and the first locating seat, be equipped with on the guide rail clamp plate and adjust slotted hole (17), guide rail locking screw passes and adjusts slotted hole and first locating seat threaded connection, the periphery of guide rail locking screw between guide rail clamp plate and the first locating seat still overlaps and is equipped with spring (18), door plant depression bar below still is equipped with adjusting bolt (19) and first locating seat threaded connection, guide rail clamp plate below both sides are equipped with limiting plate (20), adjusting bolt sets up between the limiting plate.
4. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 1, wherein: the second pressing and positioning devices are arranged on the two transverse sides of the beam main body for the front crane and comprise second positioning seats (21), movable supporting beams (22) rotatably connected with the second positioning seats, vertical pressing plates (23) adjustably connected with the movable supporting beams, guide rail pressing plates adjustably connected with the second positioning seats in a sliding mode, transverse rotating seats rotatably connected with the second positioning seats, guide rail positioning blocks arranged on the transverse rotating seats, transverse positioning blocks connected to the second positioning seats and guide rail process plates arranged on the second positioning seats; the horizontal locating piece can contact with the horizontal side of barrel and compress tightly, vertical clamp plate can contact with the top surface of barrel and compress tightly.
5. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 4, wherein: a transverse positioning block in a second pressing and positioning device adjacent to a stress end is in sliding adjustable connection with a second positioning seat through a transverse locking screw rod, a guide rail pressing plate is connected with the second positioning seat through a guide rail locking screw rod, an adjusting long circular hole is formed in the guide rail pressing plate, the guide rail locking screw rod penetrates through the adjusting long circular hole to be in threaded connection with the second positioning seat, a spring is further sleeved on the periphery of the guide rail locking screw rod between the guide rail pressing plate and the second positioning seat, an adjusting bolt is further arranged below a door plate pressing rod and is in threaded connection with the second positioning seat, limiting plates are arranged on two sides below the guide rail pressing plate, the adjusting bolt is arranged between the limiting plates, a vertical pressing plate is connected with a movable supporting beam through a vertical locking screw rod (24), the vertical locking screw rod is in threaded connection with the movable supporting beam, is rotatably connected with the vertical pressing plate.
6. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 1, wherein: each barrel is correspondingly provided with a longitudinal pressing and positioning device, each longitudinal pressing and positioning device comprises a longitudinal positioning seat (25), a door plate pressing rod (26) movably connected with the longitudinal positioning seat, a barrel positioning block (27) arranged on the longitudinal positioning seat, a door plate positioning block (28) arranged on the longitudinal positioning seat and a barrel end face pressing screw rod (29), the door plate can be pressed and positioned between the door plate positioning block and the door plate pressing rod, and the barrel can be pressed and positioned between the barrel end face pressing screw rod and the barrel positioning block.
7. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 6, wherein: the door plant depression bar is connected through door plant locking screw (30) between vertical positioning seat, be equipped with the regulation slotted hole on the door plant depression bar, door plant locking screw passes regulation slotted hole and vertical positioning seat threaded connection, the periphery of door plant locking screw between door plant depression bar and the vertical positioning seat still overlaps and is equipped with the spring, threaded connection has adjusting bolt on the vertical positioning seat that compresses tightly, door plant depression bar both sides are equipped with the limiting plate, adjusting bolt sets up between the limiting plate.
8. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 6, wherein: at least one longitudinal compression positioning device is connected with the supporting base plate in a sliding mode through a longitudinal driving device (31), a sliding sleeve (32) is arranged below the longitudinal compression positioning seat, a sliding rail (33) is arranged above the supporting base plate, the sliding sleeve can be clamped on the sliding rail to slide, the longitudinal driving device comprises a driving hinged sleeve seat (34) arranged on the longitudinal compression positioning seat, a driving push rod (35) connected with the driving hinged sleeve seat in a sliding mode, a hand rod (36) rotationally hinged with the driving hinged sleeve seat and a driving connecting rod (37) arranged between the driving push rod and the hand rod and rotationally hinged with the driving push rod and the hand rod, the driving push rod can be driven to move when the hand rod rotates, the front end of the driving push rod is made to be in contact with the adjacent longitudinal compression positioning device, and the longitudinal compression positioning device is pushed to.
9. The cross beam main body welding predeformation device for the reach stacker as claimed in claim 1, wherein: the support frame is connected with a driving motor (38), an output shaft of the driving motor is connected with a support bottom plate, and balancing weights (39) are further respectively arranged on the support bottom plate along the two longitudinal ends of the barrel.
10. The use method of the cross beam main body welding predeformation device for the front crane, which is described in the claims 1 to 9, comprises the following steps:
after the supporting frame, the driving motor and the supporting base are assembled, placing the supporting frame, the driving motor and the supporting base on a proper place, starting the driving motor, and rotating the supporting base to a proper angle;
installing the first pressing and positioning device, the second pressing and positioning device and the longitudinal pressing and positioning device on the supporting base, and enabling the transverse locking screws to be located on the same side;
placing the cylinder and the door plate on a supporting base, respectively screwing a transverse locking screw rod, a vertical locking screw rod and a cylinder end face compression screw rod after moving to a required position, rotating a hand lever, and locking a driving push rod;
placing the guide rail on the guide rail positioning block, moving the guide rail to a required position, sliding a guide rail pressing plate to the required position, screwing the guide rail pressing screw rod tightly, and locking and fixing the guide rail;
splicing and welding the guide rail and the cylinder;
after the process plate is arranged at a required position, the process plate is spliced and welded with the guide rail;
completely welding the guide rail and the cylinder;
splicing and welding other required positions;
standing for a period of time after welding is finished, and waiting for cooling;
and (4) grinding welding spots of the splicing welding of the process plate and the guide rail, and removing the process plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793559.XA CN112139726B (en) | 2020-08-10 | 2020-08-10 | Beam main body welding reversible deformation device for front crane and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010793559.XA CN112139726B (en) | 2020-08-10 | 2020-08-10 | Beam main body welding reversible deformation device for front crane and use method thereof |
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| CN112139726B CN112139726B (en) | 2022-05-10 |
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| CN112139726B (en) | 2022-05-10 |
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