CN113510418B - Repairing type welding device with positioning function and using method thereof - Google Patents
Repairing type welding device with positioning function and using method thereof Download PDFInfo
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- CN113510418B CN113510418B CN202111071710.XA CN202111071710A CN113510418B CN 113510418 B CN113510418 B CN 113510418B CN 202111071710 A CN202111071710 A CN 202111071710A CN 113510418 B CN113510418 B CN 113510418B
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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
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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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- 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
- B23K37/003—Cooling means
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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
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Abstract
The invention discloses a repairing type welding device with a positioning function and a using method thereof. The invention belongs to the technical field of manual welding devices, and particularly relates to a repairing type welding device with a positioning function and a using method thereof; according to the invention, the rubber pad is deformed in a manner of softening the rubber pad and increasing the pretightening force in a synchronous action manner by heat generated in the welding process, so that the clamping firmness is improved, objects on two sides of the current welding part are tensioned by heat radiation in the welding process through a self-driven tensioning structure, the pressure at a molten pool is increased, so that the welding firmness is improved, the technical bias that welding repair is carried out after parts are required to be disassembled is overcome by matching a rack and a handheld welding gun, and the problem that the existing engineering machinery is easy to shift when welding is not disassembled is effectively solved.
Description
Technical Field
The invention belongs to the technical field of manual welding devices, and particularly relates to a repairing type welding device with a positioning function and a using method thereof.
Background
The requirements on the dimensional accuracy of the frame or the execution arm (such as an excavator arm and a crane boom) and other parts of large-scale engineering machinery are relatively low, the shape of the frame or the execution arm is slightly changed through welding repair after the frame or the execution arm is damaged, but the requirements on the strength can still be generally met, most of parts on the engineering machinery have large volumes, and a large amount of time is wasted in a traditional welding mode after disassembly; but because of lacking firm fixed frock directly welding on equipment, very easily because frock or part body take place to shift because of thermal deformation in welding process, lead to joint strength not enough.
Specifically, the connection strength of the welding seam and the pressure between materials in the cooling process are in positive correlation, while the general welding process is static natural cooling, when welding is carried out on the ground, the pressure in the combining process can be improved by selecting a proper placing angle or a pressing block, but when welding is directly carried out on equipment, the auxiliary operation is difficult to carry out, and in order to further improve the combining strength, the invention provides the welding device which can automatically increase the pressure between base materials in the welding process.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a welding device which is used for repairing engineering machinery, is free from disassembly and welding, has a positioning function, can automatically tighten and improve the bonding strength during welding and a using method thereof, combines the thermal expansion principle of gas and the characteristic that high-temperature resistant rubber is softened by heating, overcomes the technical bias that welding repair is carried out after parts are required to be disassembled, provides a method for improving clamping firmness by using welding waste heat, a clamping device which is pre-tightened is easy to become loose again due to thermal deformation in the welding process, the tightness is reduced, a large amount of heat can be radiated near a molten pool in the welding process, a front high-temperature resistant rubber pad and a back high-temperature resistant rubber pad which are softened after being extruded and heated by a flat plate type high-pressure air bag which expands after being heated are provided, and most of the roughness of the surface of the engineering machinery is high, at the moment, the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad can deform in fit with the object to be welded, so that the contact form of the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad is changed from friction connection to embedded connection, and the clamping firmness is greatly improved under the condition that no driving force is used and the object to be welded is not damaged.
In order to further improve the bonding strength, the invention provides a self-driving type tensioning structure, wherein in the welding process, objects on two sides of the current welding position are tensioned through heat radiation, the pressure at the molten pool is increased, and the welding firmness is improved.
The technical scheme adopted by the invention is as follows: the invention relates to a repairing type welding device with a positioning function and a using method thereof, and the repairing type welding device comprises an unpowered supercharged type clamping device, a closed hydraulic self-driven type tensioning device, a main body clamping rack and a welding executing assembly, wherein the unpowered supercharged type clamping device is arranged on the main body clamping rack, the unpowered supercharged type clamping device has the function of automatically increasing clamping fixing force during welding, the closed hydraulic self-driven type tensioning device is arranged on the main body clamping rack in an array mode, the closed hydraulic self-driven type tensioning device can be contracted during welding, the connection firmness of a welding part is improved, the main body clamping rack is symmetrically arranged on the welding executing assembly, and the main body clamping rack plays a role in clamping and fixing.
Further, the unpowered supercharged type clamping device comprises a front high-temperature-resistant rubber pad, a square high-strength clamping plate, a sliding guide cylinder, a flat plate type high-pressure air bag and a guide cylinder long strip-shaped end plate, wherein the front high-temperature-resistant rubber pad is arranged on the square high-strength clamping plate, the front high-temperature-resistant rubber pad is made of high-temperature-resistant materials, the front high-temperature-resistant rubber pad cannot melt under the action of welding temperature but can be softened to a certain degree, the sliding guide cylinders are symmetrically arranged on the square high-strength clamping plate, the flat plate type high-pressure air bag is positioned between two groups of the sliding guide cylinders, the flat plate type high-pressure air bag expands in volume after being heated, the pretightening force applied to the front high-temperature-resistant rubber pad is improved, the front high-temperature-resistant rubber pad deforms slightly under the action of pressure, and the guide cylinder long strip-shaped end plate is arranged on the sliding guide cylinder, the long strip-shaped end plate of the guide cylinder is fixedly connected with the sliding guide cylinder.
Preferably, the closed hydraulic self-driven type tensioning device comprises a self-driven tensioning telescopic rod and a tensioning hinge device, wherein the tensioning hinge device is arranged on the self-driven tensioning telescopic rod, the closed hydraulic self-driven type tensioning device is rotatably arranged on the main body clamping rack through the tensioning hinge device, and the rotation of the tensioning hinge device is used for compensating the angle change of the device during welding.
Preferably, the self-driven tensioning telescopic rod comprises a tensioning device cylindrical shell, a tensioning telescopic rod, a sealing piston ring and thermal expansion hydraulic oil, a cylindrical shell bottom plate is arranged on the cylindrical shell of the tensioning device, vent holes at the bottom of the cylindrical shell are symmetrically arranged on the cylindrical shell of the tensioning device, the tensioning telescopic rod is clamped and slidably arranged in the cylindrical shell of the tensioning device, the tensioning telescopic rod is in sliding sealing contact with the cylindrical shell of the tensioning device, thermal expansion hydraulic oil is arranged between the tensioning telescopic rod and the cylindrical shell of the tensioning device, the volume of the thermal expansion hydraulic oil can slightly expand when being heated, thereby driving the tensioning telescopic rod to retract into the cylindrical shell of the tensioning device, one end of the tensioning telescopic rod is provided with a sliding piston disc, the sealing piston ring is clamped on the sliding piston disc, and the other end of the tensioning telescopic rod is provided with an end flange disc.
Further, taut articulated mounting includes that the afterbody articulates seat and the articulated seat of tip, the articulated seat of afterbody is located on the cylindric shell bottom plate, the symmetry is equipped with articulated seat round axle one on the articulated seat of afterbody, the articulated seat of afterbody rotates through articulated seat round axle and locates on the main part centre gripping frame, the articulated seat of tip is located on the tip ring flange, the symmetry is equipped with articulated seat round axle two on the articulated seat of tip, the articulated seat of tip rotates through articulated seat round axle two and locates on the main part centre gripping frame.
Furthermore, the main body clamping rack comprises clamping reference devices and clamping tightening devices, the clamping reference devices are symmetrically provided with two groups, the clamping reference devices are arranged on the welding execution assembly, and the clamping tightening devices are arranged on the clamping reference devices.
Preferably, the clamping reference device comprises a fixed clamping base, a back high-temperature-resistant rubber pad, a top connecting assembly and a spare connecting assembly, wherein base end part circular holes are symmetrically formed in the fixed clamping base, the back high-temperature-resistant rubber pad is arranged on the fixed clamping base, the back high-temperature-resistant rubber pad has the same function as the front high-temperature-resistant rubber pad, the top connecting assembly comprises a top connecting stud and a top special-shaped hexagon nut, the top connecting stud is arranged in one group of the base end part circular holes in a sliding mode, a first nut rotating retainer ring is arranged on the top special-shaped hexagon nut, the top special-shaped hexagon nut is in threaded connection with the top connecting stud, the spare connecting assembly comprises a spare connecting stud and a spare special-shaped connecting nut, the spare connecting assembly is of a spare structure and plays a role in increasing the fixing firmness degree, and the spare connecting stud is arranged in the other group of the base end part circular holes in a sliding mode, and the standby special-shaped connecting nut is provided with a nut rotating retainer ring II and is in threaded connection with the standby connecting stud.
Furthermore, the clamping and tightening device comprises a high-hardness scratch-resistant embedded block, a sliding type clamping base plate and a clamping plate reset spring, wherein a central circular hole of the embedded block is arranged on the high-hardness scratch-resistant embedded block, one group of the high-hardness scratch-resistant embedded blocks is slidably arranged on the top connecting stud through the central circular hole of the embedded block, the high-hardness scratch-resistant embedded block is made of wear-resistant materials and plays a role in prolonging the service life of the whole equipment, the other group of the high-hardness scratch-resistant embedded blocks is slidably arranged on the standby connecting stud through the central circular hole of the embedded block, a base plate square through hole is arranged on the sliding type clamping base plate, the high-hardness scratch-resistant embedded block is clamped in the base plate square through hole, a base plate circular through hole is arranged on the sliding type clamping base plate, a base plate square side groove is arranged on the sliding type clamping base plate in an array manner, the utility model discloses a sliding type clamping base plate, including articulated seat circle axle, afterbody articulated seat, clamping plate reset spring and base plate circular through-hole, the articulated seat of afterbody rotates through articulated seat circle axle and locates in the wherein a set of base plate round hole of sliding type clamping base plate, the articulated seat of tip rotates through articulated seat circle axle two and locates in the other a set of base plate round hole of sliding type clamping base plate, clamping plate reset spring and base plate circular through-hole are coaxial arrangement, the last symmetry of clamping plate reset spring is equipped with the reset spring base, on the rectangular shape end plate of direction cylinder was located to one of them a set of clamping plate reset spring through the reset spring base, on the sliding type clamping base plate was located to clamping plate reset spring through another a set of reset spring base, clamping plate reset spring played the reset effect.
The welding executing assembly comprises an object to be welded, a welding machine power line, a welding gun and a welding machine, the front side high-temperature-resistant rubber pad is in contact connection with the object to be welded, the back side high-temperature-resistant rubber pad is in contact connection with the object to be welded, a welding seam is arranged on the object to be welded, the standby connecting stud is clamped in the welding seam, welding process holes are symmetrically formed in two sides of the welding seam of the object to be welded, and the welding gun is electrically connected with the welding machine through the welding machine power line.
The use method of the repair type welding device with the positioning function is characterized by comprising the following steps of:
the method comprises the following steps: the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad are used for clamping an object to be welded, and the back high-temperature-resistant rubber pad is positioned on the same side of a welding surface;
step two: the special-shaped hexagon nut at the top is rotated, and the pressure applied to the object to be welded by the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad is increased by shortening the distance between the sliding type clamping base plate and the fixed type clamping base, so that the fastening degree of the object to be welded is improved;
step three: the welding seam is welded through a welding machine and a welding gun, in the welding process, the welding seam of an object to be welded is heated and melted and radiates heat to the periphery, gas in a flat plate type high-pressure air bag can expand after being heated, a square high-strength clamping plate and a front high-temperature-resistant rubber pad are reversely extruded under the limit of a sliding type clamping base plate, the front high-temperature-resistant rubber pad and a back high-temperature-resistant rubber pad can be slightly softened after being heated, the uneven part of the object to be welded deforms under the action of pressure, the contact mode of the front high-temperature-resistant rubber pad and the object to be welded and the contact mode of the back high-temperature-resistant rubber pad and the object to be welded are changed from friction connection to small-scale embedded connection, and the resistance of relative sliding is greatly increased;
step four: during welding, the heat at the radiation position of the welding position can cause the nearby thermal expansion hydraulic oil to generate tiny volume expansion, so that the tensioning telescopic rod is pushed to retract to the cylindrical shell of the tensioning device, the distance between the two groups of main body clamping frames is further tensioned, and the connection of the positions of objects to be welded is tighter;
step five: because the heat radiation is greatly influenced by the distance, each group of closed hydraulic self-driven type tensioning devices are not synchronously stretched, and the rotation of the sliding type clamping substrate in the welding process is compensated through the tensioning and hinging device;
step six: after standing and cooling, the object to be welded is connected firmly, so that the force of stretching out of the driving tensioning telescopic rod caused by the volume reduction of the thermal expansion hydraulic oil is not enough to pull the object to be welded again, the welding effect cannot be influenced, and the main body clamping frame is detached at the moment.
The invention with the structure has the following beneficial effects: the scheme is that the welding device is used for repairing engineering machinery, is free from disassembly and welding, has a positioning function, can automatically tighten and improve the bonding strength during welding, combines the thermal expansion principle of gas and the characteristic that high-temperature-resistant rubber is softened by heating, and provides a method for increasing the clamping firmness by using the waste heat of welding, the clamping device which is pre-tightened can be heated and become loose again in the welding process, the tightness is reduced, a large amount of heat can be radiated nearby a molten pool in the welding process, the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad which are softened after being extruded and heated by a flat-plate high-pressure air bag which expands after being heated are high-roughness-increased due to the fact that most of the surface of the engineering machinery is high, the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad can generate deformation which is matched with an object to be welded, and the connection mode of the front high-temperature-resistant rubber pad and the back high-temperature-resistant rubber pad is changed into embedded connection from friction connection, thereby greatly improving the clamping firmness without driving force and damaging the object to be welded.
The invention provides a self-driving type tensioning structure which is used for connecting objects to be welded together through natural cooling of a molten pool in a welding process.
Drawings
FIG. 1 is a perspective view of a repair welding apparatus with positioning function and method of use thereof according to the present invention;
FIG. 2 is a front view of a repair welding apparatus with positioning function and method of use thereof in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along section line B-B of FIG. 2;
FIG. 5 is a schematic view of an unpowered pressurized clamping device of the repair welding apparatus with positioning function according to the present invention;
FIG. 6 is a schematic view showing the construction of a closed type hydraulic self-driven tensioner of the present invention having a repairing type welding apparatus with a positioning function;
FIG. 7 is a schematic structural diagram of a main body clamping rack of the repair welding device with positioning function according to the present invention;
FIG. 8 is a schematic view of a welding actuator assembly of a repair welding apparatus with a positioning function according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 3 at I;
fig. 10 is a partial enlarged view of the point ii in fig. 4.
Wherein, 1, a non-powered supercharged clamping device, 2, a closed hydraulic self-driven tensioning device, 3, a main body clamping frame, 4, a welding execution assembly, 5, a front high-temperature-resistant rubber pad, 6, a square high-strength clamping plate, 7, a sliding guide cylinder, 8, a flat plate type high-pressure air bag, 9, a guide cylinder long strip-shaped end plate, 10, a self-driven tensioning telescopic rod, 11, a tensioning hinge device, 12, a tensioning device cylindrical shell, 13, a tensioning telescopic rod, 14, a sealing piston ring, 15, a tail hinge seat, 16, an end hinge seat, 17, a cylindrical shell bottom vent hole, 18, a cylindrical shell bottom plate, 19, a sliding piston disc, 20, an end flange plate, 21, a hinge seat circular shaft I, 22, a hinge seat circular shaft II, 23, a clamping reference device, 24, a clamping tightening device, 25, a fixed clamping base, 26 and a back high-temperature-resistant rubber pad, 27. the top connecting assembly comprises a top connecting assembly, 28, a spare connecting assembly, 29, a high-hardness scratch-resistant insert, 30, a sliding type clamping base plate, 31, a clamping plate return spring, 32, a base end part round hole, 33, a top connecting stud, 34, a top special-shaped hexagon nut, 35, a spare connecting stud, 36, a spare special-shaped connecting nut, 37, an insert center round hole, 38, a base plate square through hole, 39, a base plate square side groove, 40, a base plate round hole, 41, a return spring base, 42, an object to be welded, 43, a welding machine power line, 44, a welding gun, 45, a welding machine, 46, a welding seam, 47, a welding process hole, 48, a nut rotation check ring I, 49, a nut rotation check ring II, 50, a base plate round through hole, 51 and thermal expansion hydraulic oil.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in figure 1, the repair welding device with the positioning function and the using method thereof comprise an unpowered supercharged clamping device 1, a closed hydraulic self-driven tensioning device 2, a main body clamping rack 3 and a welding executing assembly 4, wherein the unpowered supercharged clamping device 1 is arranged on the main body clamping rack 3, the unpowered supercharged clamping device 1 has the function of automatically increasing clamping fixing force during welding, the closed hydraulic self-driven tensioning devices 2 are arranged on the main body clamping rack 3 in an array mode, the closed hydraulic self-driven tensioning devices 2 can be contracted during welding, the connection firmness of a welding position is improved, the main body clamping racks 3 are symmetrically arranged on the welding executing assembly 4, and the main body clamping rack 3 plays a role in clamping and fixing.
As shown in fig. 1, 3 and 8, the welding performing assembly 4 includes an object 42 to be welded, a welder power line 43, a welding gun 44 and a welder 45, the object 42 to be welded is provided with a welding seam 46, the object 42 to be welded is symmetrically provided with welding process holes 47 on two sides of the welding seam 46, and the welding gun 44 and the welder 45 are electrically connected through the welder power line 43.
As shown in fig. 1 to 4, 7 and 9, the main body clamping frame 3 includes two groups of clamping reference devices 23 and two groups of clamping tightening devices 24, the clamping reference devices 23 are symmetrically disposed, the clamping reference devices 23 are disposed on the welding executing assembly 4, and the clamping tightening devices 24 are disposed on the clamping reference devices 23; the clamping reference device 23 comprises a fixed clamping base 25, a back high-temperature-resistant rubber pad 26, a top connecting assembly 27 and a standby connecting assembly 28, base end part round holes 32 are symmetrically arranged on the fixed clamping base 25, the back high-temperature-resistant rubber pad 26 is in contact connection with an object 42 to be welded, the back high-temperature-resistant rubber pad 26 is arranged on the fixed clamping base 25, the top connecting assembly 27 comprises a top connecting stud 33 and a top special-shaped hexagon nut 34, the top connecting stud 33 is arranged in one group of the base end part round holes 32 in a sliding mode, a nut rotating check ring 48 is arranged on the top special-shaped hexagon nut 34, the top special-shaped hexagon nut 34 is in threaded connection with the top connecting stud 33, the standby connecting assembly 28 comprises a standby connecting stud 35 and a standby special-shaped connecting nut 36, the standby connecting assembly 28 is of a standby structure and has the function of increasing the fixing firmness degree, and the standby connecting stud 35 is arranged in the other group of the base end part round holes 32 in a sliding mode, the spare connecting stud 35 is clamped in the welding seam 46, and a nut rotating retainer ring II 49 is arranged on the spare special-shaped connecting nut 36 and is in threaded connection with the spare connecting stud 35; the clamping and tightening device 24 comprises a high-hardness scratch-resistant insert block 29, a sliding type clamping base plate 30 and a clamping plate return spring 31, wherein an insert block center round hole 37 is formed in the high-hardness scratch-resistant insert block 29, one group of the high-hardness scratch-resistant insert blocks 29 is slidably arranged on a top connecting stud 33 through the insert block center round hole 37, the high-hardness scratch-resistant insert blocks 29 are made of wear-resistant materials and have the function of prolonging the service life of the whole equipment, the other group of the high-hardness scratch-resistant insert blocks 29 is slidably arranged on a standby connecting stud 35 through the insert block center round hole 37, a base plate square through hole 38 is formed in the sliding type clamping base plate 30, the high-hardness scratch-resistant insert blocks 29 are clamped in the base plate square through holes 38, a base plate circular through hole 50 is formed in the sliding type clamping base plate 30, a base plate square side groove 39 is formed in the sliding type clamping base plate 30, a base plate round hole 40 is formed in the base plate square side groove 39, the clamping plate return spring 31 and the substrate circular through hole 50 are coaxially arranged, the clamping plate return spring 31 is symmetrically provided with a return spring base 41, the clamping plate return spring 31 is arranged on the sliding type clamping substrate 30 through one group of the return spring bases 41, and the clamping plate return spring 31 plays a role in resetting.
As shown in fig. 1, 5 and 9, the unpowered supercharged clamping device 1 comprises a front high-temperature-resistant rubber pad 5, a square high-strength clamping plate 6, a sliding guide cylinder 7, a flat-plate high-pressure air bag 8 and a guide cylinder long strip-shaped end plate 9, wherein the front high-temperature-resistant rubber pad 5 is in contact connection with an object 42 to be welded, the front high-temperature-resistant rubber pad 5 is arranged on the square high-strength clamping plate 6, the front high-temperature-resistant rubber pad 5 is made of a high-temperature-resistant material and cannot melt under the action of welding temperature but can soften to a certain extent, the sliding guide cylinders 7 are symmetrically arranged on the square high-strength clamping plate 6, the flat-plate high-pressure air bag 8 is arranged between two groups of the sliding guide cylinder 7, the volume of the flat-plate high-pressure air bag 8 expands after being heated, and the pretightening force applied on the front high-temperature-resistant rubber pad 5 is improved, and make positive high temperature resistant rubber pad 5 take place micro-deformation under the effect of pressure, direction cylinder long bar end plate 9 is located on slide guide cylinder 7, and grip block reset spring 31 is located on direction cylinder long bar end plate 9 through another a set of reset spring base 41, and direction cylinder long bar end plate 9 and slide guide cylinder 7 rigid coupling, slide guide cylinder 7 block slide locate in base plate circular through-hole 50.
As shown in fig. 1, 6 and 10, the closed hydraulic self-driven type tensioning device 2 comprises a self-driven tensioning telescopic rod 10 and a tensioning hinge device 11, wherein the tensioning hinge device 11 is arranged on the self-driven tensioning telescopic rod 10, the closed hydraulic self-driven type tensioning device 2 is rotatably arranged on the main body clamping rack 3 through the tensioning hinge device 11, and the rotation of the tensioning hinge device 11 compensates the angle change of the device during welding; the self-driven tensioning telescopic rod 10 comprises a tensioning device cylindrical shell 12, a tensioning telescopic rod 13, a sealing piston ring 14 and thermal expansion hydraulic oil 51, wherein a cylindrical shell bottom plate 18 is arranged on the tensioning device cylindrical shell 12, cylindrical shell bottom vent holes 17 are symmetrically arranged on the tensioning device cylindrical shell 12, the tensioning telescopic rod 13 is clamped and slidably arranged in the tensioning device cylindrical shell 12, the tensioning telescopic rod 13 is in sliding sealing contact with the tensioning device cylindrical shell 12, thermal expansion hydraulic oil 51 is arranged between the tensioning telescopic rod 13 and the tensioning device cylindrical shell 12, the volume of the thermal expansion hydraulic oil 51 can slightly expand when being heated, thereby driving the tensioning telescopic rod 13 to retract into the tensioning device cylindrical shell 12, wherein one end of the tensioning telescopic rod 13 is provided with a sliding piston disc 19, a sealing piston ring 14 is clamped on the sliding piston disc 19, and the other end of the tensioning telescopic rod 13 is provided with an end flange 20; the tensioning hinging device 11 comprises a tail hinging seat 15 and an end hinging seat 16, the tail hinging seat 15 is arranged on the cylindrical shell bottom plate 18, hinging seat circular shafts 21 are symmetrically arranged on the tail hinging seat 15, the tail hinging seat 15 is rotatably arranged in one group of base plate circular holes 40 of the sliding type clamping base plate 30 through the hinging seat circular shafts 21, the end hinging seat 16 is arranged on the end flange plate 20, hinging seat circular shafts two 22 are symmetrically arranged on the end hinging seat 16, and the end hinging seat 16 is rotatably arranged in the other group of base plate circular holes 40 of the sliding type clamping base plate 30 through the hinging seat circular shafts two 22.
When in specific use, a user clamps the object 42 to be welded through the front high-temperature-resistant rubber pad 5 and the back high-temperature-resistant rubber pad 26, and the back high-temperature-resistant rubber pad 26 is positioned at the same side of the welding surface; rotating the top hexagon socket nut 34 to increase the pressure applied to the object 42 to be welded by the front high-temperature-resistant rubber pad 5 and the back high-temperature-resistant rubber pad 26 by shortening the distance between the sliding type clamping base plate 30 and the fixed type clamping base 25, thereby improving the fastening degree when clamping the object 42 to be welded; then, the welding seam 46 is welded through a welding machine 45 and a welding gun 44, in the welding process, the welding seam 46 of the object 42 to be welded is heated and melted and radiates heat to the periphery, the gas in the flat-plate type high-pressure air bag 8 can expand after being heated, the square high-strength clamping plate 6 and the front high-temperature-resistant rubber pad 5 are reversely extruded under the limit of the sliding type clamping base plate 30, the front high-temperature-resistant rubber pad 5 and the back high-temperature-resistant rubber pad 26 can be slightly softened after being heated, and the uneven part of the object 42 to be welded is deformed under the action of pressure, so that the contact mode of the front high-temperature-resistant rubber pad 5 and the object 42 to be welded, and the back high-temperature-resistant rubber pad 26 and the object 42 to be welded is changed from friction connection to small-scale embedded connection, and the resistance required by relative sliding is greatly increased; during welding, the heat radiated at the welding position can cause the nearby thermal expansion hydraulic oil 51 to generate slight volume expansion, so as to push the tensioning telescopic rod 13 to retract to the cylindrical shell 12 of the tensioning device, further tension the distance between the two groups of main body clamping frames 3, and enable the position of the object to be welded 42 to be connected more tightly; since the intensity of the heat radiation is greatly affected by the distance, the groups of closed hydraulic self-driven type tensioning devices 2 are not synchronously telescopic, and therefore the rotation of the sliding type clamping base plate 30 during the welding process is compensated by the tensioning hinge device 11; after standing and cooling, the object 42 to be welded is connected firmly, so that the force for driving the tensioning telescopic rod 13 to stretch out due to the reduction of the volume of the thermal expansion hydraulic oil 51 is not enough to pull the object 42 to be welded again, the welding effect cannot be influenced, the main body clamping frame 3 can be detached at the moment, the above is the integral working process of the invention, and the step can be repeated when the device is used next time.
As a new embodiment of the present invention, when the surface of the object to be welded 42 is smooth, the object to be welded 42 has a hollow hole or the object to be welded 42 has a welding process hole 47 allowing to be processed, the object to be welded 42 can be fixed more firmly by the spare connecting assembly 28, and relative sliding between the object to be welded 42 and the front high temperature-resistant rubber pad 5 and between the object to be welded 42 and the back high temperature-resistant rubber pad 26 is prevented.
The specific operation process is simple and easy to implement, and the object 42 to be welded is only clamped by the front high-temperature-resistant rubber pad 5 and the back high-temperature-resistant rubber pad 26, and the back high-temperature-resistant rubber pad 26 is positioned on the same side of the welding surface; rotating the top alien hexagonal nut 34 increases the pressure between the sliding clamp base plate 30 and the fixed clamp base 25; the welding work is performed by the welder 45 and the welding gun 44.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a repair formula welding set with locate function which characterized in that: the welding device comprises an unpowered supercharged clamping device (1), a closed hydraulic self-driven tensioning device (2), a main body clamping rack (3) and a welding executing assembly (4), wherein the unpowered supercharged clamping device (1) is arranged on the main body clamping rack (3), the closed hydraulic self-driven tensioning devices (2) are arranged on the main body clamping rack (3) in an array mode, and the main body clamping rack (3) is symmetrically arranged on the welding executing assembly (4); the welding execution assembly (4) comprises an object to be welded (42), a welding seam (46) is arranged on the object to be welded (42), and welding process holes (47) are symmetrically formed in the object to be welded (42) on two sides of the welding seam (46); the main body clamping rack (3) comprises clamping reference devices (23) and clamping tightening devices (24), two groups of the clamping reference devices (23) are symmetrically arranged, the clamping reference devices (23) are arranged on an object to be welded (42), and the clamping tightening devices (24) are arranged on the clamping reference devices (23) in a sliding mode; the unpowered supercharged clamping device (1) comprises a high-temperature-resistant rubber pad (5) on the front surface, a square high-strength clamping plate (6), a sliding guide cylinder (7), a flat-plate high-pressure air bag (8) and a long strip-shaped end plate (9) of the guide cylinder, the front high-temperature resistant rubber pad (5) is arranged on the square high-strength clamping plate (6), the front high-temperature resistant rubber pad (5) is contacted and connected with an object (42) to be welded, the sliding guide cylinders (7) are symmetrically arranged on the square high-strength clamping plate (6), the flat plate type high-pressure air bag (8) is arranged on the square high-strength clamping plate (6), the flat-plate type high-pressure air bag (8) is positioned between the two groups of sliding guide cylinders (7), the long strip-shaped end plate (9) of the guide cylinder is arranged on the sliding guide cylinder (7), the long-strip-shaped end plate (9) of the guide cylinder is fixedly connected with the sliding guide cylinder (7); the closed hydraulic self-driven type tensioning device (2) comprises a self-driven tensioning telescopic rod (10) and a tensioning hinge device (11), the tensioning hinge device (11) is arranged on the self-driven tensioning telescopic rod (10), and the closed hydraulic self-driven type tensioning device (2) is rotatably arranged on the main body clamping rack (3) through the tensioning hinge device (11); the self-driven tensioning telescopic rod (10) comprises a tensioning device cylindrical shell (12), a tensioning telescopic rod (13), a sealing piston ring (14) and thermal expansion hydraulic oil (51), a cylindrical shell bottom plate (18) is arranged on the cylindrical shell (12) of the tensioning device, the cylindrical shell (12) of the tensioning device is symmetrically provided with a cylindrical shell bottom vent hole (17), the tensioning telescopic rod (13) is clamped and slidably arranged in the cylindrical shell (12) of the tensioning device, the tensioning telescopic rod (13) is in sliding sealing contact with the cylindrical shell (12) of the tensioning device, thermal expansion hydraulic oil (51) is arranged between the tensioning telescopic rod (13) and the cylindrical shell (12) of the tensioning device, one end of the tensioning telescopic rod (13) is provided with a sliding piston disc (19), the sealing piston ring (14) is clamped on the sliding piston disc (19), the other end of the tensioning telescopic rod (13) is provided with an end flange plate (20); the tensioning hinging device (11) comprises a tail hinging seat (15) and an end hinging seat (16), the tail hinging seat (15) is arranged on the cylindrical shell bottom plate (18), hinging seat circular shafts (21) are symmetrically arranged on the tail hinging seat (15), the tail hinging seat (15) is rotatably arranged on the main body clamping rack (3) through the hinging seat circular shafts (21), the end hinging seat (16) is arranged on the end flange plate (20), hinging seat circular shafts (22) are symmetrically arranged on the end hinging seat (16), and the end hinging seat (16) is rotatably arranged on the main body clamping rack (3) through the hinging seat circular shafts (22); the clamping reference device (23) comprises a fixed clamping base (25), a back high-temperature-resistant rubber pad (26), a top connecting assembly (27) and a standby connecting assembly (28), wherein base end part round holes (32) are symmetrically formed in the fixed clamping base (25), the back high-temperature-resistant rubber pad (26) is arranged on the fixed clamping base (25), and the back high-temperature-resistant rubber pad (26) is in contact connection with an object to be welded (42).
2. The repair type welding device with positioning function as claimed in claim 1, wherein: the top connecting component (27) comprises a top connecting stud (33) and a top special-shaped hexagon nut (34), the top connecting stud (33) is arranged in one group of the base end round holes (32) in a sliding way, a first nut rotating retainer ring (48) is arranged on the top special-shaped hexagon nut (34), the top special-shaped hexagon nut (34) is in threaded connection with the top connecting stud (33), the spare connecting component (28) comprises a spare connecting stud (35) and a spare special-shaped connecting nut (36), the spare connecting stud (35) is clamped in the welding process hole (47), the spare connecting stud (35) is arranged in the other group of the base end part round holes (32) in a sliding way, a second nut rotating retainer ring (49) is arranged on the spare special-shaped connecting nut (36), and the spare special-shaped connecting nut (36) is in threaded connection with the spare connecting stud (35).
3. The repair type welding device with positioning function as claimed in claim 2, wherein: the clamping and tightening device (24) comprises a high-hardness scratch-resistant embedded block (29), a sliding type clamping base plate (30) and a clamping plate reset spring (31), wherein an embedded block center round hole (37) is formed in the high-hardness scratch-resistant embedded block (29), one group of the high-hardness scratch-resistant embedded block (29) is arranged on a top connecting stud (33) in a sliding mode through the embedded block center round hole (37), the other group of the high-hardness scratch-resistant embedded block (29) is arranged on a standby connecting stud (35) in a sliding mode through the embedded block center round hole (37), a base plate square through hole (38) is formed in the sliding type clamping base plate (30), the high-hardness scratch-resistant embedded block (29) is arranged in the base plate square through hole (38) in a clamping mode, a base plate circular through hole (50) is formed in the sliding type clamping base plate (30), and a sliding guide cylinder (7) is arranged in the base plate circular through hole (50) in a clamping and sliding mode, the sliding type clamping base plate (30) is provided with square base plate side grooves (39) in an array mode, the sliding type clamping base plate (30) is provided with base plate round holes (40) at the square base plate side grooves (39), the tail hinging seat (15) is rotatably arranged in one group of base plate round holes (40) of the sliding type clamping base plate (30) through a hinging seat round shaft I (21), the end hinging seat (16) is rotatably arranged in the other group of base plate round holes (40) of the sliding type clamping base plate (30) through a hinging seat round shaft II (22), the clamping plate reset spring (31) and the base plate round through holes (50) are coaxially arranged, the clamping plate reset spring (31) is symmetrically provided with reset spring bases (41), and the clamping plate reset spring (31) is arranged on the guide cylindrical strip-shaped end plate (9) through one group of the reset spring bases (41), the clamping plate return spring (31) is arranged on the sliding type clamping base plate (30) through the other group of the return spring base (41).
4. The repair type welding device with positioning function as claimed in claim 3, wherein: the welding execution assembly (4) further comprises a welder power supply line (43), a welding gun (44) and a welder (45), and the welding gun (44) and the welder (45) are electrically connected through the welder power supply line (43).
5. The method for using the repair welding device with positioning function as claimed in claim 4, characterized by comprising the following steps:
the method comprises the following steps: the object (42) to be welded is clamped by the front high-temperature-resistant rubber pad (5) and the back high-temperature-resistant rubber pad (26), and the back high-temperature-resistant rubber pad (26) is positioned at the same side of the welding surface;
step two: rotating a top special-shaped hexagon nut (34) to increase the pressure between the sliding type clamping base plate (30) and the fixed type clamping base (25);
step three: the welding work is performed by a welder (45) and a welding gun (44).
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| CN202111071710.XA CN113510418B (en) | 2021-09-14 | 2021-09-14 | Repairing type welding device with positioning function and using method thereof |
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| CN202111071710.XA CN113510418B (en) | 2021-09-14 | 2021-09-14 | Repairing type welding device with positioning function and using method thereof |
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| CN113510418A CN113510418A (en) | 2021-10-19 |
| CN113510418B true CN113510418B (en) | 2021-11-23 |
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| CN114260579B (en) * | 2021-12-23 | 2023-08-25 | 承德苏垦银河连杆有限公司 | Automatic coding equipment for engine connecting rod |
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