CN115338521A - Portable direct current electric welding machine - Google Patents
Portable direct current electric welding machine Download PDFInfo
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- CN115338521A CN115338521A CN202211269874.8A CN202211269874A CN115338521A CN 115338521 A CN115338521 A CN 115338521A CN 202211269874 A CN202211269874 A CN 202211269874A CN 115338521 A CN115338521 A CN 115338521A
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- 238000003466 welding Methods 0.000 title claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 claims description 30
- 230000035939 shock Effects 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
The invention discloses a portable direct-current electric welding machine, which relates to the technical field of direct-current electric welding machines and comprises an electric welding machine body, a lifting handle arranged at the top of the electric welding machine body and cushion blocks arranged at four corners of the bottom of the electric welding machine body, wherein a lifting column is arranged in a containing cavity; a damping component is arranged inside the cushion block; a rotating rod is transversely arranged on the inner end surface of the fixed plate in a rotating manner, and a driving mechanism is arranged in the driving box; the transmission mechanism is matched with the driving mechanism and the universal wheels, so that the convenience of the electric welding machine body in moving and carrying is improved, the plurality of universal wheels arranged at the bottom of the electric welding machine body are synchronously retracted and extended in a pedal driving mode, an external power supply is not needed for retracting and extending the universal wheels, the universal wheels are not needed to be positioned and retracted one by one, and the convenience of fixing the electric welding machine body after moving is effectively improved.
Description
Technical Field
The invention relates to the technical field of direct current welding machines, in particular to a portable direct current welding machine.
Background
In the process of building engineering and steel structure construction, an electric welding machine is often used for welding operation, and the electric welding machine is used for melting welding flux on an electric welding rod and a welded material by utilizing high-temperature electric arc generated when positive and negative poles are short-circuited instantaneously so as to achieve the purpose of combining the welded material with a contacted object. The structure is very simple, and the transformer is a high-power transformer; electric welding machines can be generally divided into two types according to the types of output power supplies, wherein one type is an alternating current power supply and the other type is a direct current power supply.
Generally, more bases of direct current welding machines are fixed, the direct current welding machines are inconvenient to move according to the change of working distance and need to be lifted manually to move, and the direct current welding machines are inconvenient to move and carry due to large weight; therefore, there is a need for an improved approach to the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a portable direct current electric welding machine.
In order to achieve the purpose, the invention adopts the following technical scheme: a portable direct current welding machine comprises an electric welding machine body, a lifting handle arranged at the top of the electric welding machine body and cushion blocks arranged at four corners of the bottom of the electric welding machine body, wherein heat dissipation strip openings are formed in one side of the front end surface and one side of the rear end surface of the electric welding machine body, mounting grooves are longitudinally formed in two sides of the bottom surface of the electric welding machine body, longitudinal beams are arranged in the mounting grooves, storage cavities are vertically formed in the lower portions of the front end and the rear end of each longitudinal beam, lifting columns are vertically movably arranged in the storage cavities, the bottom ends of the lifting columns movably penetrate through the storage cavities, longitudinal plates are horizontally arranged below the two sides of the bottom surface of the electric welding machine body, universal wheels are arranged at the front end and the rear end of the bottom surface of each longitudinal plate, transmission cavities are longitudinally formed in the upper portions of the longitudinal beams, and transmission mechanisms used for lifting adjustment of the lifting columns are arranged in the transmission cavities;
a damping component for reducing the vibration force of the electric welding machine body is arranged in the cushion block; the upper parts of the mounting grooves are in a wide-mouth shape, a transmission rod is transversely and rotatably arranged on the upper part between the two mounting grooves, fixing plates are respectively arranged at the bottoms of the two side walls of the electric welding machine body, a rotating rod is transversely and rotatably arranged on the inner end surface of each fixing plate, and the inner end of each rotating rod movably penetrates into the corresponding mounting groove; and a driving box is fixed on the outer side surface of the fixing plate, and a driving mechanism for driving the transmission mechanism is arranged in the driving box.
Preferably, the transmission mechanism comprises a lead screw vertically and rotatably arranged in the middle of the top surface in the containing cavity, a transmission shaft longitudinally and rotatably arranged in the transmission cavity, a worm transversely and rotatably arranged in the upper part of the transmission cavity, and a worm wheel fixedly sleeved on a shaft body in the middle of the transmission shaft, the worm is in meshing transmission with the worm wheel, the top end of the lead screw movably penetrates into the transmission cavity and is fixedly sleeved with a first bevel gear, the top surface of the lifting column is vertically provided with a thread groove matched with the lead screw, and a rod body of the lead screw is in threaded connection with the thread groove of the lifting column; and shaft bodies at the front end and the rear end of the transmission shaft are fixedly sleeved with second conical teeth, and the second conical teeth are in meshing transmission with the first conical teeth.
Preferably, both ends of the worm are all movably penetrated into the mounting groove, first butt joint grooves are all formed in the tops of both ends of the worm, second butt joint grooves are formed in the bottom of the inner end of the rotating rod in a matching mode with the worm, third butt joint grooves are formed in the bottom of both ends of the driving rod in a matching mode with the worm, the first butt joint grooves in the inner end of the worm are abutted to the third butt joint grooves in the end portion of the driving rod, the first butt joint grooves in the outer end of the worm are abutted to the second butt joint grooves in the inner end of the rotating rod, positioning pins are fixedly connected to the inner top surfaces of the second butt joint grooves and the third butt joint grooves in an all vertical matching mode, positioning holes are formed in the bottom surfaces of the first butt joint grooves in the two ends of the worm in an all vertical matching mode, and the positioning pins are inserted into the positioning holes.
Preferably, damper includes that set up at the inside shock attenuation chamber of cushion, the activity locates the inside snubber block of shock attenuation chamber and a plurality of shock attenuation dampers at the snubber block top are located to the equidistance, the top of shock attenuation damper and the interior top surface rigid coupling in shock attenuation chamber, the bottom activity of snubber block runs through outside the shock attenuation chamber, just the lower part of snubber block is the necking down form.
Preferably, the driving mechanism comprises a guide shell fixedly arranged at the top of the driving box, a rack rod vertically movably arranged in the guide shell, stabilizer bars vertically fixedly connected to two sides in the guide shell and a top plate horizontally movably arranged in the upper part of the guide shell, the stabilizer bars movably penetrate through the top plate, the top end of the rack rod is fixedly connected with the bottom surface of the top plate, a return spring is movably sleeved on the stabilizer bar below the top plate, the lower rod body of the rack rod is a smooth section, the bottom end of the rack rod movably penetrates out of the bottom surface of the driving box and is fixedly connected with a horizontally folded folding pedal, the outer end of the rotating rod movably penetrates into the driving box and is rotatably sleeved with a transmission gear, and a one-way rotating assembly is arranged in the transmission gear; the rack rod which penetrates through the inner part of the driving box and is arranged at the rear part of the transmission gear at one side of the electric welding machine body, and the rack rod which penetrates through the inner part of the driving box and is arranged at the other side of the electric welding machine body is arranged at the front part of the transmission gear at the other side of the electric welding machine body.
Preferably, the one-way rotating assembly comprises a plurality of mounting cavities which are equidistantly arranged inside the transmission gear, an abutting rod which is movably arranged inside the mounting cavities, a guide rod which is fixedly connected to the inner wall of the outer end of the mounting cavity, a thrust spring which is movably sleeved on the guide rod, and a plurality of arc-shaped clamping blocks which are equidistantly arranged on the outer wall of the end part of the rotating rod, wherein the outer arc surfaces of the arc-shaped clamping blocks are inclined planes; the inner end of the abutting rod is arc-shaped, movably penetrates out of the mounting cavity and movably abuts against the outer wall of the rotating rod between the arc-shaped clamping blocks, the outer end face of the abutting rod is matched with the guide rod to be provided with a guide groove, and the inner end of the thrust spring abuts against the outer end face of the abutting rod.
Compared with the prior art, the invention has the beneficial effects that: the electric welding machine body fixing device has the advantages that the transmission mechanism is matched with the driving mechanism and the universal wheels, convenience in moving and carrying of the electric welding machine body is improved, synchronous retraction and release operation of the universal wheels arranged at the bottom of the electric welding machine body is facilitated in a pedal driving mode, the retraction and release operation of the universal wheels by an external power supply is not needed, one-by-one positioning and retraction and release operation of the universal wheels is also not needed, convenience in fixing the electric welding machine body after moving is effectively improved, the operation amount of an operator in positioning operation of the electric welding machine body during use is greatly reduced, and the electric welding machine body is effectively prevented from moving due to self vibration during working through the matching of the cushion block and the damping assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a cross-sectional view of a front-end structure of a main view according to the present invention;
FIG. 3 is a cross-sectional view of the bottom structure of one side of the welding machine body according to the present invention;
FIG. 4 is a cross-sectional view of the bottom structure of the other side of the welding machine body according to the present invention;
FIG. 5 is a sectional view of a driving case at one side of the welding machine body according to the present invention;
FIG. 6 is a side view showing a sectional structure of a transmission gear at one end of a rotating lever according to the present invention;
FIG. 7 is a sectional view of the driving box on the other side of the welding machine body according to the present invention;
fig. 8 is a side view showing the sectional structure of the transmission gear at the other end of the rotating rod according to the present invention.
Number in the figure: 1. an electric welding machine body; 2. lifting a handle; 3. cushion blocks; 4. a heat dissipation strip opening; 5. a stringer; 6. a lifting column; 7. a longitudinal plate; 8. a universal wheel; 9. a lead screw; 10. a first bevel gear; 11. a drive shaft; 12. a second taper tooth; 13. a worm; 14. a worm gear; 15. rotating the rod; 16. a transmission rod; 17. positioning pins; 18. a drive cartridge; 19. a damper block; 20. a shock absorbing damper; 21. a transmission gear; 22. a rack bar; 23. a stabilizer bar; 24. a top plate; 25. a return spring; 26. folding the pedal; 27. a butting rod; 28. a guide bar; 29. a thrust spring; 30. an arc-shaped clamping block.
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.
Example (b): referring to fig. 1 to 8, the portable direct current electric welding machine comprises an electric welding machine body 1, a lifting handle 2 arranged at the top of the electric welding machine body 1 and cushion blocks 3 arranged at four corners of the bottom of the electric welding machine body 1, wherein heat dissipation strip openings 4 are formed in one side of the front end surface and one side of the rear end surface of the electric welding machine body 1, mounting grooves are longitudinally formed in two sides of the bottom surface of the electric welding machine body 1, longitudinal beams 5 are arranged in the mounting grooves, storage cavities are vertically formed in the lower portions of the front end and the rear end of each longitudinal beam 5, lifting columns 6 are vertically movably arranged in the storage cavities, the bottom ends of the lifting columns 6 penetrate through the storage cavities, longitudinal plates 7 are horizontally arranged below two sides of the bottom surface of the electric welding machine body 1, the bottom ends of the lifting columns 6 are fixedly connected with the top surfaces of the longitudinal plates 7, universal wheels 8 are arranged at the front ends and the rear ends of the bottom surface of the longitudinal plates 7, transmission cavities are longitudinally formed in the upper portions of the longitudinal beams 5, and transmission mechanisms used for lifting adjustment of the lifting columns 6 are arranged in the transmission cavities; a damping component for reducing the vibration force of the electric welding machine body 1 is arranged in the cushion block 3; the upper parts of the mounting grooves are wide-mouthed, a transmission rod 16 is transversely and rotatably arranged on the upper part between the two mounting grooves, fixing plates are respectively arranged at the bottoms of the two side walls of the electric welding machine body 1, rotating rods 15 are transversely and rotatably arranged on the inner end surfaces of the fixing plates, and the inner ends of the rotating rods 15 movably penetrate into the mounting grooves; a driving box 18 is fixed on the outer side surface of the fixing plate, and a driving mechanism for driving the transmission mechanism is arranged in the driving box 18; through drive mechanism and actuating mechanism and universal wheel 8's cooperation, be convenient for improve the convenience of electric welding body 1 when removing and carrying, be convenient for carry out synchronous receive and release operation through a plurality of universal wheels 8 with pedal driven mode to the installation of electric welding body 1 bottom, need not external power supply and receive and release the operation to universal wheel 8, also need not carry out location one by one and receive and release the operation to a plurality of universal wheels 8, effectively improved electric welding body 1 and carried out the convenience of fixing after removing, reduce the amount of operation that the operator carries out the location operation when using to electric welding body 1 by a wide margin, and through cushion 3 and damper's cooperation, effectively avoid electric welding body 1 to appear the condition of removing because of the vibrations of self at the during operation.
In the invention, a transmission mechanism comprises a lead screw 9 vertically and rotatably arranged in the middle of the top surface in a containing cavity, a transmission shaft 11 longitudinally and rotatably arranged in the transmission cavity, a worm 13 transversely and rotatably arranged in the upper part of the transmission cavity and a worm wheel 14 fixedly sleeved on a shaft body in the middle of the transmission shaft 11, wherein the worm 13 is in meshing transmission with the worm wheel 14, the top end of the lead screw 9 movably penetrates into the transmission cavity and is fixedly sleeved with a first bevel gear 10, the top surface of a lifting column 6 is vertically provided with a thread groove matched with the lead screw 9, and a rod body of the lead screw 9 is in threaded connection with the thread groove of the lifting column 6; the shaft body at the front end and the rear end of the transmission shaft 11 is fixedly sleeved with a second conical tooth 12, the second conical tooth 12 is in meshing transmission with the first conical tooth 10, the lead screw 9 is convenient to transmit and self-lock, and the height of the lifting column 6 after adjustment is avoided from changing.
In the invention, two ends of a worm 13 movably penetrate into a mounting groove, the tops of two ends of the worm 13 are respectively provided with a first butt joint groove, the bottom of the inner end of a rotating rod 15 is matched with the worm 13 to be provided with a second butt joint groove, the bottom of two ends of a transmission rod 16 is matched with the worm 13 to be provided with a third butt joint groove, the first butt joint groove of the inner end of the worm 13 is abutted with the third butt joint groove of the end part of the transmission rod 16, the first butt joint groove of the outer end of the worm 13 is abutted with the second butt joint groove of the inner end of the rotating rod 15, the inner top surfaces of the second butt joint groove and the third butt joint groove are vertically fixedly connected with a positioning pin 17, the bottom surfaces of the first butt joint grooves of two ends of the worm 13 are vertically matched with the positioning pin 17 to be provided with positioning holes, and the positioning pin 17 is inserted into the positioning holes; the attachment/detachment operation of the side member 5 is facilitated, and the worm 13 can be brought into stable contact with the pivot lever 15 and the transmission lever 16 when the side member 5 is attached.
In the invention, the shock absorption assembly comprises a shock absorption cavity arranged in the cushion block 3, a shock absorption block 19 movably arranged in the shock absorption cavity and a plurality of shock absorption dampers 20 equidistantly arranged at the top of the shock absorption block 19, the top ends of the shock absorption dampers 20 are fixedly connected with the inner top surface of the shock absorption cavity, the bottom end of the shock absorption block 19 movably penetrates out of the shock absorption cavity, the lower part of the shock absorption block 19 is in a necking shape, and when the electric welding machine body 1 runs, the situation that the electric welding machine body 1 moves due to self vibration can be avoided through the arrangement of the shock absorption assembly.
In the invention, the driving mechanism comprises a guide shell fixedly arranged at the top of the driving box 18, a rack bar 22 vertically and movably arranged in the guide shell, stabilizer bars 23 vertically and fixedly connected at two sides in the guide shell and a top plate 24 horizontally and movably arranged in the upper part of the guide shell, the stabilizer bars 23 movably penetrate through the top plate 24, the top end of the rack bar 22 is fixedly connected with the bottom surface of the top plate 24, a return spring 25 is movably sleeved on the stabilizer bars 23 below the top plate 24, the lower part of the rack bar 22 is a smooth section, the bottom end of the rack bar 22 movably penetrates out of the bottom surface of the driving box 18 and is fixedly connected with a horizontally folded folding pedal 26, the outer end of the rotating rod 15 movably penetrates into the driving box 18 and is rotatably sleeved with a transmission gear 21, and a unidirectional rotating assembly is arranged in the transmission gear 21; the rack bar 22 that passes through from the inside of drive box 18 inside of the inside direction shell of electric welding body 1 one side is located the rear of electric welding body 1 one side drive gear 21, and the rack bar 22 that the electric welding body 1 opposite side passed through from the inside of drive box 18 is located the place ahead of electric welding body 1 opposite side drive gear 21, through two actuating mechanism, can play the drive effect of reversal and corotation respectively to dwang 15.
In the invention, the unidirectional rotation component comprises a plurality of installation cavities which are equidistantly arranged in the transmission gear 21, an abutting rod 27 which is movably arranged in the installation cavities, a guide rod 28 which is fixedly connected with the inner wall of the outer end of each installation cavity, a thrust spring 29 which is movably sleeved on the guide rod 28 and a plurality of arc-shaped clamping blocks 30 which are equidistantly arranged on the outer wall of the end part of the rotation rod 15, wherein the outer arc surfaces of the arc-shaped clamping blocks 30 are inclined planes; the inner end of the abutting rod 27 is arc-shaped, the inner end of the abutting rod 27 movably penetrates out of the installation cavity and movably abuts on the outer wall of the rotating rod 15 between the arc-shaped clamping blocks 30, the outer end face of the abutting rod 27 is matched with the guide rod 28 to be provided with a guide groove, the inner end of the thrust spring 29 abuts against the outer end face of the abutting rod 27, the transmission gear 21 can only drive the rotating rod 15 to rotate in one direction conveniently, and when the rack rod 22 returns, the transmission gear 21 cannot drive the rotating rod 15 to rotate.
The working principle is as follows: in this embodiment, the present invention further provides a method for using a portable dc electric welding machine, including the following steps:
firstly, unfolding a folding pedal 26, then stepping on the folding pedal 26 on one side of an electric welding machine body 1 by feet by an operator, further enabling the folding pedal 26 to drive one of rack rods 22 to descend, enabling the descending rack rod 22 to drive a transmission gear 21 at one end of a rotating rod 15 to rotate, loosening the downward stepping on the folding pedal 26 after the rack rod 22 descends for one time, then enabling the descending rack rod 22 to restore and ascend under the action of a restoring spring 25 in a driving mechanism, and further enabling the transmission gear 21 to drive the rotating rod 15 to only rotate reversely through a one-way rotating assembly arranged in the transmission gear 21, further not driving the rotating rod 15 to rotate normally when the rack rod 22 ascends, and then continuing stepping on the folding pedal 26 to drive the rack rod 22 to descend again after the rack rod 22 ascends, further driving the rotating rod 15 to rotate reversely continuously;
step two, the worm 13 is driven to rotate reversely through the reverse rotation of the rotating rod 15, the transmission shaft 11 is driven to rotate reversely through the meshing of the worm 13 and the worm wheel 14, the lead screw 9 is driven to rotate reversely through the meshing of the first bevel gear 10 and the second bevel gear 12, the lifting column 6 is convenient to push to descend through the reverse rotation of the lead screw 9, the vertical plate 7 is convenient to push to descend through the descending of the lifting column 6, the universal wheel 8 is further contacted with the ground, then the electric welding machine body 1 is convenient to lift through the continuous descending of the vertical plate 7, the damping block 19 is not contacted with the ground, then the electric welding machine body 1 can be pushed to move, and the convenience of the electric welding machine body 1 in moving and carrying is improved;
step three, after the electric welding machine body 1 is moved to a required place, when the universal wheel 8 needs to be retracted, the folding pedal 26 on the other side of the electric welding machine body 1 is unfolded, then an operator steps on the folding pedal 26 on the other side of the electric welding machine body 1 with feet, so that the folding pedal 26 drives the other rack bar 22 to descend, the descending of the rack bar 22 drives the transmission gear 21 at one end of the rotating rod 15 to rotate, after the rack bar 22 descends for one time, the downward stepping on the folding pedal 26 is released, then the descending rack bar 22 is reset and ascended under the action of the reset spring 25 in the driving mechanism, and then the rotating rod 21 drives the rotating rod 15 to rotate only in the forward direction through the unidirectional rotating assembly arranged in the transmission gear 21, so that the rotating rod 15 cannot be driven to rotate in the reverse direction when the rack bar 22 ascends in the reverse direction, after the rack bar 22 ascends, the rotating rod continues to step on the folding pedal 26 to drive the rack bar 22 to descend again, and further drive the rotating rod 15 to rotate in the continuous forward direction;
fourthly, the worm 13 is driven to rotate positively through the positive rotation of the rotating rod 15, the transmission shaft 11 is driven to rotate positively through the meshing of the worm 13 and the worm wheel 14, the lead screw 9 is driven to rotate positively through the meshing of the first bevel gear 10 and the second bevel gear 12, the lifting column 6 is driven to ascend reversely through the positive rotation of the lead screw 9, the vertical plate 7 is driven to ascend reversely through the descending of the lifting column 6, the universal wheel 8 is not in contact with the ground any more, then the electric welding machine body 1 is driven to descend through the continuous ascending of the vertical plate 7, the shock absorption block 19 is in contact with the ground, and then the electric welding machine body 1 can be positioned after moving;
step five, when the electric welding machine body 1 runs, the situation that the electric welding machine body 1 moves due to self vibration is avoided through the arrangement of the damping assembly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a portable direct current electric welding machine, includes electric welding body (1), locate carrying handle (2) at electric welding body (1) top and install cushion (3) in electric welding body (1) bottom four corners, its characterized in that: the electric welding machine comprises an electric welding machine body (1), and is characterized in that heat dissipation strip openings (4) are formed in one side of the front end surface and the rear end surface of the electric welding machine body (1), mounting grooves are longitudinally formed in two sides of the bottom surface of the electric welding machine body (1), longitudinal beams (5) are arranged in the mounting grooves, storage cavities are vertically formed in the lower portions of the front end and the rear end of each longitudinal beam (5), lifting columns (6) are vertically movably arranged in the storage cavities, the bottom ends of the lifting columns (6) movably penetrate through the storage cavities, longitudinal plates (7) are horizontally arranged below the two sides of the bottom surface of the electric welding machine body (1), universal wheels (8) are mounted at the front end and the rear end of the bottom surface of each longitudinal plate (7), transmission cavities are longitudinally formed in the upper portions of the longitudinal beams (5), and transmission mechanisms used for lifting adjustment of the lifting columns (6) are arranged in the transmission cavities;
a damping component for reducing the vibration force of the electric welding machine body (1) is arranged in the cushion block (3); the upper parts of the mounting grooves are wide-mouthed, a transmission rod (16) is transversely and rotatably arranged on the upper part between the two mounting grooves, fixing plates are respectively arranged at the bottoms of the two side walls of the electric welding machine body (1), a rotating rod (15) is transversely and rotatably arranged on the inner end surface of each fixing plate, and the inner end of each rotating rod (15) movably penetrates into the corresponding mounting groove; and a driving box (18) is fixed on the outer side surface of the fixing plate, and a driving mechanism for driving the transmission mechanism is arranged in the driving box (18).
2. The portable direct current electric welder of claim 1, characterized in that: the transmission mechanism comprises a lead screw (9) which is vertically and rotatably arranged in the middle of the top surface of the containing cavity, a transmission shaft (11) which is longitudinally and rotatably arranged in the transmission cavity, a worm (13) which is transversely and rotatably arranged in the upper part of the transmission cavity and a worm wheel (14) which is fixedly sleeved on a shaft body in the middle of the transmission shaft (11), wherein the worm (13) is in meshing transmission with the worm wheel (14), the top end of the lead screw (9) movably penetrates into the transmission cavity and is fixedly sleeved with a first conical tooth (10), a thread groove matched with the lead screw (9) is vertically formed in the top surface of the lifting column (6), and a rod body of the lead screw (9) is in threaded connection with the thread groove of the lifting column (6); and the front end shaft body and the rear end shaft body of the transmission shaft (11) are fixedly sleeved with second conical teeth (12), and the second conical teeth (12) are in meshing transmission with the first conical teeth (10).
3. The portable direct current electric welder of claim 2, characterized in that: the utility model discloses a bearing, including worm (13), dwang (15), first butt joint groove has all been seted up at the top at worm (13) both ends, the second butt joint groove has been seted up in bottom cooperation worm (13) of dwang (15) inner, the third butt joint groove has been seted up in bottom cooperation worm (13) at transfer line (16) both ends, the first butt joint groove of worm (13) inner and the third butt joint groove butt of transfer line (16) tip, the first butt joint groove of worm (13) outer end and the second butt joint groove butt of dwang (15) inner, the second butt joint groove has locating pin (17) with the equal vertical rigid coupling of the interior top surface in third butt joint groove, the equal vertical cooperation locating pin (17) in first butt joint groove bottom surface at worm (13) both ends has seted up the locating hole, locating pin (17) are pegged graft inside the locating hole.
4. The portable direct current electric welder of claim 1, characterized in that: shock attenuation subassembly is including seting up in inside shock attenuation chamber of cushion (3), the activity locates inside snubber block (19) of shock attenuation chamber and a plurality of shock attenuation attenuator (20) at equidistance snubber block (19) top, the top of shock attenuation attenuator (20) and the interior top surface rigid coupling in shock attenuation chamber, outside the bottom activity of snubber block (19) runs through out the shock attenuation chamber, just the lower part of snubber block (19) is the necking down form.
5. The portable direct current electric welder of claim 1, characterized in that: the driving mechanism comprises a guide shell fixedly arranged at the top of the driving box (18), a rack rod (22) vertically movably arranged in the guide shell, stabilizer bars (23) vertically fixedly connected to two sides in the guide shell and a top plate (24) horizontally movably arranged in the upper part of the guide shell, wherein the stabilizer bars (23) movably penetrate through the top plate (24), the top end of the rack rod (22) is fixedly connected with the bottom surface of the top plate (24), a return spring (25) is movably sleeved on the stabilizer bars (23) below the top plate (24), the lower rod body of the rack rod (22) is a smooth section, the bottom end of the rack rod (22) movably penetrates outside the bottom surface of the driving box (18) and is fixedly connected with a horizontally folded folding pedal (26), the outer end of the rotating rod (15) movably penetrates into the driving box (18) and is rotatably sleeved with a transmission gear (21), and a unidirectional rotating assembly is arranged in the transmission gear (21); the rack bar (22) passing through the inside of the driving box (18) and arranged at one side of the guide shell of the electric welding machine body (1) is located behind the transmission gear (21) at one side of the electric welding machine body (1), and the rack bar (22) passing through the inside of the driving box (18) and arranged at the other side of the electric welding machine body (1) is located in front of the transmission gear (21) at the other side of the electric welding machine body (1).
6. The portable direct current electric welder of claim 5, characterized in that: the unidirectional rotation assembly comprises a plurality of mounting cavities which are equidistantly arranged in the transmission gear (21), an abutting rod (27) which is movably arranged in the mounting cavities, a guide rod (28) which is fixedly connected to the inner wall of the outer end of each mounting cavity, a thrust spring (29) which is movably sleeved on each guide rod (28) and a plurality of arc-shaped clamping blocks (30) which are equidistantly arranged on the outer wall of the end part of the rotation rod (15), wherein the outer arc surfaces of the arc-shaped clamping blocks (30) are inclined planes; the inner end of the abutting rod (27) is arc-shaped, the inner end of the abutting rod (27) movably penetrates out of the installation cavity and movably abuts against the outer wall of the rotating rod (15) between the arc-shaped clamping blocks (30), the outer end face of the abutting rod (27) is matched with the guide rod (28) to be provided with a guide groove, and the inner end of the thrust spring (29) abuts against the outer end face of the abutting rod (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211269874.8A CN115338521A (en) | 2022-10-18 | 2022-10-18 | Portable direct current electric welding machine |
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Application publication date: 20221115 |