CN114346576B - Automatic welding fixture for assembling movable arm of excavator - Google Patents
Automatic welding fixture for assembling movable arm of excavator Download PDFInfo
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- CN114346576B CN114346576B CN202210195871.8A CN202210195871A CN114346576B CN 114346576 B CN114346576 B CN 114346576B CN 202210195871 A CN202210195871 A CN 202210195871A CN 114346576 B CN114346576 B CN 114346576B
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- 238000003466 welding Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000017105 transposition Effects 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The invention relates to the field of machining of movable arms of excavators, in particular to an automatic welding fixture for assembling movable arms of the excavators, which comprises a base plate, wherein two groups of brackets are symmetrically fixed above the base plate, the end parts of the movable arms are arranged between the brackets, pins penetrating through the movable arms are penetrated through the surfaces of the brackets, a plurality of jacking mechanisms are arranged below the movable arms, a rotating frame is arranged above the movable arms, a plurality of cylinders are arranged on the surfaces of the rotating frame, the cylinders and the jacking mechanisms are connected with an air supply device, the air supply device applies pressure to the cylinders and the jacking mechanisms, and the cylinders and the jacking mechanisms apply pressure to the top and the bottom of the movable arms.
Description
Technical Field
The invention relates to the field of machining of movable arms of excavators, in particular to an automatic welding fixture for assembling movable arms of excavators.
Background
The excavator is relatively common heavy equipment at present, the application range is large, the movable arm of the excavator plays a main stress role, and the stress intensity directly influences the use effect, so that the movable arm of the excavator is required to be welded and assembled by adopting high-strength materials.
The movable arm of the excavator is required to be welded with the reinforcing plate on the outer surface of the movable arm after framework welding is completed, the stress intensity of the movable arm is increased, the movable arm is protected by wrapping, plates with the same shape as the side face, the top face and the bottom face of the framework are required to be cut when the reinforcing plate is welded, the plates on the side face are planar, the plates on the top and the bottom are directly bonded and welded during assembly, the plates on the bent parts are curved, certain deformation exists, the plates are required to be pressed by external force to be completely bonded when being bonded with the framework, the deformation force of the outer steel plate is larger, the bent plates are wrapped on the upper portion and the lower portion of the framework of the movable arm of the excavator in a binding mode, and a plurality of wrapping points are arranged to enable the bent plates to be tightly bonded.
Disclosure of Invention
The invention aims to solve the following problems in the prior art: the mode that traditional adoption was binded wraps the upper portion and the lower part at excavator swing arm skeleton with crooked panel to set up a plurality of parcel points and make its laminating inseparable, this kind of mode not only the operation degree of difficulty is big, and the danger is high, and is uneven enough to panel applied force moreover, reduces welding quality.
The invention provides an automatic welding fixture for assembling a movable arm of an excavator, which comprises a substrate, wherein two groups of brackets are symmetrically fixed above the substrate, the end parts of movable arms are arranged between the brackets, pins penetrating through the movable arms are penetrated through the surfaces of the brackets, a plurality of jacking mechanisms are arranged below the movable arms, a rotating frame is arranged above the movable arms, a plurality of cylinders are arranged on the surfaces of the rotating frame, the cylinders and the jacking mechanisms are connected with an air supply device, the air supply device applies pressure to the cylinders and the jacking mechanisms, the cylinders and the jacking mechanisms apply pressure to the top and the bottom of the movable arms, the pins penetrate through assembly holes at two ends of the movable arms to limit the movable arms between the brackets, bent plates are placed at the top and the bottom of a movable arm framework, and the air supply device drives the cylinders and the jacking mechanisms to squeeze bent plates on the surface of the movable arm framework, and then the bent plates are welded.
Preferably, the jacking mechanism comprises an air cavity, a plurality of air cavities are formed in the top surface of the base plate, an air plug is adaptively arranged in the air cavity, the top of the air plug is connected with a push rod, the push rod penetrates out of the air cavity to be in contact with the bottom surface of the movable arm, the air cavities are connected in series through a pipeline, the air supply device charges air into the air cavity, the air plug drives the push rod upwards to move, the push rod is abutted to the bottom of the movable arm, the air pressure in the air cavities connected in series is the same, the pressure of each push rod on the movable arm and the plate is the same, and the attaching accuracy of the plate and the movable arm is improved.
Preferably, the bottom of the ejector rod is in sliding connection with the air plug, the ejector rod is elastically connected with the air plug through a spring, so that an elastic telescopic space is formed between the air plug and the ejector rod, the elastic telescopic space is used for relieving the stress change speed of the ejector rod when the ejector rod extrudes the movable arm, and the extrusion protection of the movable arm is improved.
Preferably, flexible chamber has been seted up to the top mouth both sides of air cavity, flexible intracavity adaptation is provided with the movable block, be connected with the spring between the movable block, the one end that the movable block is close to the ejector pin all is fixed with complex pawl piece with the surface of ejector pin, flexible chamber passes through the pipeline and is connected with air feeder, ascending ejector pin side forms the joint with the movable block, highly carry out spacingly to the ejector pin, the air feed breaks down in the course of working and leads to panel whereabouts, improve the security, reverse bleed after the welding assembly is accomplished, make flexible intracavity form negative pressure, the movable block shrink, the joint to the ejector pin is spacing is relieved.
Preferably, the air supply device comprises a shell and an air pump, wherein a disc shell is fixed in the shell, a turntable is adaptively rotated in the disc shell, an air port C, an air port D, an air port F and a connecting pipe are connected to the edge of the disc shell, the included angle between the air port C, the air port D, the air port F and the connecting pipe is 90 degrees, two first air passages are symmetrically formed in the turntable, the first air passages are bent at 90 degrees, the first air passages penetrate through the edge of the turntable, a transposition valve is arranged in the shell, the connecting pipe is connected with the transposition valve, the air port C and the air port D are respectively connected with an air outlet end and an air inlet end of the air pump, the air port F is communicated with the outside of the shell, the air inlet end of the air pump is used for sucking external air through the air port D, the first air passages and the air port F, the air outlet end of the air pump is used for guiding air into the air cavity and the air cylinder through the air port C, the first air passages, the connecting pipe and the transposition valve, so that the air cylinder and the ejector rod extend out to form uniform pressure, and after welding is completed, the air inlet end of the turntable rotates 180 degrees, the air inlet end of the air pump is used for sucking air through the D, the first air passages, the transposition valve and the air inlet end of the air cavity and the air cylinder.
Preferably, the transposition valve comprises an inner shell, a movable body is slidably arranged in the inner shell, a connecting pipe is connected with one end of the inner shell, the other end of the inner shell is connected with an air port A and two air ports B, the connecting pipe is communicated with an elbow, the elbow is connected with the bottom of the inner shell through a one-way valve, the one-way valve is installed in the movable body in a penetrating mode, the top of the inner shell is connected with the air port E, a second air passage connecting the air port E and the air port A is formed in the movable body, the air port A is communicated with a telescopic cavity, the air port B is respectively communicated with an air cylinder and an air cavity, when the movable arm applies pressure to the movable arm, the connecting pipe supplies air to the inner shell, the one-way valve at the end of the elbow is closed, the one-way valve at the end of the movable body is opened, the air pressure is communicated with the air port E and the air port A at one side of the movable body, the air port through the air guide cavity and the air cylinder, the telescopic cavity is communicated with the air port E through the air port A, the second air passage E and the air port E, and the air port E outside through the air guide cavity, when the movable arm releases the pressure, and the air in the movable body absorbs the air in the inner shell, the air at the moment, the one-way valve is opened, and the one end of the movable body is respectively.
Preferably, the air port A and the air port B are arranged in parallel, the air port A is positioned above the air port B, the one-way valve in the moving body points to the air port B and the connecting pipe respectively, the moving body is L-shaped, and the end face of the moving body corresponds to the bent pipe and the air port A respectively.
Preferably, a torsion handle is fixed at the center of the turntable, the torsion handle penetrates out of the shell through the rotation of the damping bearing, and the turntable is controlled to rotate in a positioning manner through the convenience of the torsion handle, so that the air path is replaced.
Preferably, one end of the rotating frame is rotationally connected with the support, a torsion arm is arranged on the side edge of the other end of the rotating frame and is rotationally connected with the support through a torsion spring, a limit column is fixed at the end of the torsion arm, the limit column is in adaptive plug connection with the side face of the rotating frame, after the movable arm and the plate are placed, the rotating frame is covered above the movable arm, the torsion arm is rotated to the side edge by overcoming the elasticity of the torsion spring, and after the end of the rotating frame is aligned with the limit column, the limit column is clamped on the side face of the rotating frame through the elasticity of the torsion spring to position the rotating frame, so that the switch locking of the rotating frame is realized.
Compared with the related art, the automatic welding fixture for assembling the movable arm of the excavator has the following beneficial effects:
1. according to the invention, the movable arm is fixed by adopting the pin, the curved plate is attached to the upper surface and the lower surface of the movable arm by matching with the jacking mechanism and the air cylinder, and then welding processing is carried out, so that the assembly accuracy and the assembly efficiency of the movable arm are improved;
2. the invention adopts the series-connected jacking mechanism and the cylinder, so that the jacking mechanism and the cylinder are pressed identically, the pressure acting on the surface of the movable arm is identical, the curved plate is pressed uniformly, and the curved plate is precisely attached to the surface of the movable arm;
3. according to the invention, the limit of the ejector rod is realized through the mutual clamping of the inverted tooth blocks, so that the bearing safety of the lower bending plate is improved;
4. according to the invention, the rotary turntable performs staggered transposition on the two first air channels, so that the exchange connection between the inlet and outlet of the air pump and the air cylinder and the jacking mechanism is realized, and the expansion and contraction of the air cylinder and the jacking mechanism can be controlled by a single air channel;
5. the invention is provided with the L-shaped moving body in a sliding way, and is used for enabling the telescopic cavity to be communicated with the outside through the air port A in the air inlet process, enabling the moving block to freely stretch and limit and be clamped with the ejector rod, enabling the telescopic cavity to be communicated with the air pump through the air port A in the air exhaust process, enabling the moving block to shrink under the action of negative pressure, and relieving the limit of the ejector rod.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the distribution structure of the jack mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the jack mechanism of the present invention;
FIG. 4 is a schematic view of a turret locking structure according to the present invention;
FIG. 5 is a schematic view of the structure of the air supply device of the present invention;
FIG. 6 is a schematic diagram showing the air supply state of the air supply device according to the present invention;
fig. 7 is a schematic view showing the structure of the air supply device in the air exhaust state of the present invention.
Reference numerals in the drawings: 1. a substrate; 2. a bracket; 3. a push rod; 4. a rotating frame; 5. a cylinder; 6. a housing; 7. a pin; 8. an air cavity; 9. a telescopic chamber; 10. a moving block; 11. an air plug; 12. twisting arms; 13. a limit column; 14. an air port A; 15. an air port B; 16. an air port C; 17. an air port D; 18. a gas port E; 19. an air port F; 20. a torsion handle; 21. a turntable; 22. a disc housing; 23. a first airway; 24. a connecting pipe; 25. bending the pipe; 26. a moving body; 27. and a second airway.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
Limiting and fixing the movable arm, wherein the operation is as follows:
as shown in fig. 1, four brackets 2 are correspondingly fixed on the top surface of a base plate 1 in pairs, a movable arm is placed between the brackets 2 through lifting, and two pins 7 penetrate through the brackets 2 and assembly holes at two ends of the movable arm to be suspended and fixed.
Assembling bending plates on the top and bottom bending surfaces of the movable arm, the operation is as follows:
as shown in fig. 1-2, an automatic welding jig for assembling an arm of an excavator is provided, a matched bending plate is placed on the upper part and the lower part of the movable arm, a rotating frame 4 is arranged above the movable arm and is connected with a bracket 2, a plurality of groups of air cylinders 5 are installed on the surface of the rotating frame 4, air paths of the air cylinders 5 are connected in series, a plurality of groups of jacking mechanisms are arranged right below the movable arm on the surface of a base plate 1, the air paths of the jacking mechanisms are connected in series, an air supply device is connected with the air cylinders 5, the air cylinders 5 and the jacking mechanisms are supplied with air through the air supply device, the air cylinders 5 extend to press a bending plate at the top of the movable arm on the surface of the movable arm, the jacking mechanisms extend to press a bending plate below the bottom surface of the movable arm, the bending plate is tightly attached to the surface of the movable arm, the edge of the movable arm is welded, the air cylinders 5 and the jacking mechanisms are released after the processing is completed, and the assembled movable arm is removed.
The telescoping control of the jacking mechanism is as follows:
as shown in fig. 2-3, a plurality of air cavities 8 are formed on the top surface of the substrate 1, the ejector rods 3 are inserted into the air cavities 8 and connected with air plugs 11, the air plugs 11 are in sliding fit with the air cavities 8, a pipeline connected in series is arranged at the bottom of the air cavities 8, air is filled into the air cavities 8 by the air supply device, the air plugs 11 drive the ejector rods 3 to move upwards, the ejector rods 3 are abutted against the bottom of the movable arm, the air pressure in the air cavities 8 connected in series is the same, the pressure of each ejector rod 3 on the movable arm and the plate is the same, and the attaching accuracy of the plate and the movable arm is improved.
The bottom of the ejector rod 3 is in sliding connection with the air plug 11, the ejector rod 3 is elastically connected with the air plug 11 through a spring, so that an elastic telescopic space is reserved between the air plug 11 and the ejector rod 3, the stress change speed of the ejector rod 3 when the movable arm is extruded is relieved, and the extrusion protection of the movable arm is improved.
Since the lower curved plate has the possibility of falling, a safety lock is required, operating as follows:
as shown in fig. 3, the telescopic cavities 9 are formed on two sides of the top opening of the air cavity 8, the moving blocks 10 are adaptively arranged in the telescopic cavities 9, springs are connected between the moving blocks 10, one ends of the moving blocks 10 close to the ejector rods 3 are fixedly matched with inverted tooth blocks on the surfaces of the ejector rods 3, the telescopic cavities 9 are connected with an air supply device through pipelines, the side edges of the ascending ejector rods 3 are clamped with the moving blocks 10, the height of the ejector rods 3 is limited, the falling of plates caused by the failure of air supply in the processing process is avoided, the safety is improved, reverse air suction is performed after the welding assembly is completed, negative pressure is formed in the telescopic cavities 9, the moving blocks 10 shrink, and the clamping limit of the ejector rods 3 is relieved.
The principle of the air supply device is as follows:
as shown in fig. 5-7, a disc shell 22 is fixed in an outer shell 6, a turntable 21 is adapted to rotate in the disc shell 22, an air port C16, a connecting pipe 24, an air port D17 and an air port F19 are connected at the edge of a first air passage 23 in an equiangular distribution manner, two first air passages 23 penetrating through the edge of the turntable 21 are symmetrically arranged in the turntable 21, the first air passages 23 are in 90-degree bent shapes, the ports of the first air passages 23 respectively correspond to the air port C16, the connecting pipe 24, the air port D17 and the air port F19, the transposition valve comprises an inner shell, the connecting pipe 24 is connected with the inner shell, a moving body 26 is slidably adapted in the inner shell, an elbow 25 is connected to the bottom of the inner shell, the elbow 25 is communicated with the connecting pipe 24, one-way valves are arranged in the moving body 26 and at the end positions of the elbow 25, where the inner shell is connected, an air port A14 and two air ports B15 are arranged at one end of the inner shell far away from the connecting pipe 24 in parallel, the air port A14 is arranged at the uppermost part, the movable body 26 is L-shaped, a second air passage 27 is formed in the movable body 26, the air port E18 is connected to the top of the inner shell, when the movable body 26 is attached to the air port A14, the second air passage 27 is communicated with the air port E18 and the air port A14, at the moment, a one-way valve in the movable body 26 penetrates through the connecting pipe 24 and the air port B15, at the moment, the bent pipe 25 is shielded by the movable body 26, the air port C16 and the air port D17 are respectively connected with an air outlet end and an air inlet end of the air pump, the air port A14 is communicated with the telescopic cavity 9, and the air port B15 is respectively communicated with the air cylinder 5 and the air cavity 8;
when the curved plate on the surface of the movable arm is fixed, the air inlet end of the air pump sucks external air through an air port D17, a first air passage 23 and an air port F19, the air outlet end of the air pump is led into the inner shell through an air port C16, a first air passage 23 and a connecting pipe 24, the one-way valve at the end part of the bent pipe 25 is closed, the one-way valve in the movable body 26 is opened, air pressure pushes the movable body 26 to one side of an air port B15, two ends of a second air passage 27 are communicated with an air port E18 and an air port A14, air passes through a guide air cavity 8 and an air cylinder 5, and the telescopic cavity 9 is communicated with the outside through the air port A14, the second air passage 27 and the air port E18, so that the movable block 10 is not affected by air pressure;
when the movable arm is released from fixation, the rotary table 21 rotates 180 degrees, the air inlet end of the air pump sucks air in the inner shell through the air port D17, the first air passage 23 and the connecting pipe 24, the one-way valve in the movable body 26 is closed, the one-way valve at the end part of the bent pipe 25 is opened, the movable body 26 is adsorbed to one end of the connecting pipe 24 and moves, at the moment, the second air passage 27 and the air port E18 are staggered and blocked, air in the air cavity 8, the air cylinder 5 and the telescopic cavity 9 are respectively led into the inner shell through the air port B15 and the air port A14 and then led into the connecting pipe 24 through the bent pipe 25 to be discharged, the movable block 10 is adsorbed to the side by air pressure to move, the clamping connection of the ejector rod 3 is released, the ejector rod 3 is contracted into the air cavity 8, and the air cylinder 5 is also contracted, so that the clamping release of the movable arm is realized.
As shown in fig. 5, a torsion handle 20 is fixed at the center of the turntable 21, the torsion handle 20 passes through the housing 6 through the damping bearing to rotate, and the turntable 21 is controlled to rotate in a positioning manner conveniently through the torsion handle 20, so that the air path is replaced.
Since the boom is suspended between the brackets 2, the swivel stand 4 needs to be movably mounted, and the following operation is performed:
as shown in fig. 2 and fig. 4, one end of the rotating frame 4 is rotationally connected with the bracket 2, the side edge of the other end of the rotating frame 4 is provided with a torsion arm 12, the torsion arm 12 is rotationally connected with the bracket 2 through a torsion spring, the end part of the torsion arm 12 is fixedly provided with a limit post 13, the limit post 13 is in adaptive plug connection with the side face of the rotating frame 4, after a movable arm and a plate are placed, the rotating frame 4 is covered above the movable arm, the torsion arm 12 is rotated to the side edge against the elasticity of the torsion spring, after the end part of the rotating frame 4 is aligned with the limit post 13, the limit post 13 is clamped on the side face of the rotating frame 4 through the elasticity of the torsion spring to position the rotating frame 4, and the switch locking of the rotating frame 4 is realized.
Claims (4)
1. The automatic welding fixture for assembling the movable arm of the excavator comprises a base plate (1), wherein two groups of brackets (2) are symmetrically fixed above the base plate (1), the end parts of movable arms are arranged between the brackets (2), pins (7) penetrating the movable arms are inserted into the surfaces of the brackets (2), and the automatic welding fixture is characterized in that a plurality of jacking mechanisms are arranged below the movable arms, a rotating frame (4) is arranged above the movable arms, a plurality of cylinders (5) are arranged on the surfaces of the rotating frame (4), the cylinders (5) and the jacking mechanisms are connected with air supply devices, the air supply devices apply pressure to the cylinders (5) and the jacking mechanisms, and the cylinders (5) and the jacking mechanisms apply pressure to the tops and bottoms of the movable arms;
the jacking mechanism comprises air cavities (8), a plurality of air cavities (8) are formed in the top surface of the base plate (1), air plugs (11) are arranged in the air cavities (8) in an adapting mode, the top of each air plug (11) is connected with a push rod (3), the push rods (3) penetrate out of the air cavities (8) to be contacted with the bottom surface of the movable arm, and the air cavities (8) are connected in series through pipelines;
the telescopic air cavity (9) is formed in two sides of a top opening of the air cavity (8), moving blocks (10) are adaptively arranged in the telescopic air cavity (9), springs are connected between the moving blocks (10), one end, close to the ejector rod (3), of the moving blocks (10) and the surface of the ejector rod (3) are respectively fixed with a matched inverted tooth block, and the telescopic air cavity (9) is connected with an air supply device through a pipeline;
the air supply device comprises a shell (6) and an air pump, wherein a disc shell (22) is fixed in the shell (6), a rotary table (21) is adaptively rotated in the disc shell (22), an air port C (16), an air port D (17), an air port F (19) and a connecting pipe (24) are connected to the edge of the disc shell (22), the included angle between the air port C (16), the air port D (17), the air port F (19) and the connecting pipe (24) is 90 degrees, two first air channels (23) are symmetrically arranged in the rotary table (21), the first air channels (23) are bent at 90 degrees, the first air channels (23) penetrate through the edge of the rotary table (21), a transposition valve is arranged in the shell (6), the connecting pipe (24) is connected with the transposition valve, the air port C (16) and the air port D (17) are respectively connected with an air outlet end and an air inlet end of the air pump, and the air port F (19) are communicated with the outside the shell (6).
The transposition valve comprises an inner shell, a movable body (26) is arranged in the inner shell in a sliding manner, a connecting pipe (24) is connected with one end of the inner shell, the other end of the inner shell is connected with an air port A (14) and two air ports B (15), the connecting pipe (24) is communicated with an elbow pipe (25), the elbow pipe (25) is connected with the bottom of the inner shell through a one-way valve, the one-way valve is installed in the movable body (26) in a penetrating manner, the top of the inner shell is connected with an air port E (18), a second air passage (27) for communicating the air port E (18) with the air port A (14) is formed in the movable body (26), the air port A (14) is communicated with a telescopic cavity (9), and the air port B (15) is respectively communicated with an air cylinder (5) and an air cavity (8);
the air port A (14) and the air port B (15) are arranged in parallel, the air port A (14) is positioned above the air port B (15), the one-way valve in the moving body (26) points to the air port B (15) and the connecting pipe (24) respectively, the moving body (26) is L-shaped, and the end face of the moving body (26) corresponds to the bent pipe (25) and the air port A (14) respectively.
2. The automatic welding fixture for assembling the movable arm of the excavator according to claim 1, wherein the bottom end of the ejector rod (3) is in sliding connection with the air plug (11), and the ejector rod (3) is elastically connected with the air plug (11) through a spring.
3. The automatic welding jig for excavator boom assembly according to claim 1, characterized in that the center of the turntable (21) is fixed with a torsion handle (20), the torsion handle (20) being rotated out of the housing (6) through a damping bearing.
4. The automatic welding fixture for assembling the movable arm of the excavator according to claim 1, wherein one end of the rotating frame (4) is rotationally connected with the support (2), a torsion arm (12) is arranged on the side edge of the other end of the rotating frame (4), the torsion arm (12) is rotationally connected with the support (2) through a torsion spring, a limit post (13) is fixed at the end part of the torsion arm (12), and the limit post (13) is in adaptive plugging connection with the side face of the rotating frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195871.8A CN114346576B (en) | 2022-03-01 | 2022-03-01 | Automatic welding fixture for assembling movable arm of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195871.8A CN114346576B (en) | 2022-03-01 | 2022-03-01 | Automatic welding fixture for assembling movable arm of excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346576A CN114346576A (en) | 2022-04-15 |
| CN114346576B true CN114346576B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210195871.8A Active CN114346576B (en) | 2022-03-01 | 2022-03-01 | Automatic welding fixture for assembling movable arm of excavator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116252096B (en) * | 2023-05-15 | 2023-07-28 | 山东明宇重工机械有限公司 | Automatic welding device for movable arm plate of loader |
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|---|---|---|---|---|
| CN207656113U (en) * | 2017-12-19 | 2018-07-27 | 安阳工学院 | A kind of bridge tube and disk welder using serial cylinders compression |
| CN108356561A (en) * | 2018-04-26 | 2018-08-03 | 鄂州市威达机床股份有限公司 | Excavator swing arm fixture |
| KR20190019338A (en) * | 2017-08-17 | 2019-02-27 | (주) 뉴텍 | Automatic boom welding equipment and method therefor |
| CN110814626A (en) * | 2019-12-24 | 2020-02-21 | 安徽昌永得机械有限公司 | Overlap welding tool suitable for excavator movable arm |
| CN111168314A (en) * | 2020-04-01 | 2020-05-19 | 刘争 | Full-automatic welding tool for excavator movable arm assembly |
-
2022
- 2022-03-01 CN CN202210195871.8A patent/CN114346576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190019338A (en) * | 2017-08-17 | 2019-02-27 | (주) 뉴텍 | Automatic boom welding equipment and method therefor |
| CN207656113U (en) * | 2017-12-19 | 2018-07-27 | 安阳工学院 | A kind of bridge tube and disk welder using serial cylinders compression |
| CN108356561A (en) * | 2018-04-26 | 2018-08-03 | 鄂州市威达机床股份有限公司 | Excavator swing arm fixture |
| CN110814626A (en) * | 2019-12-24 | 2020-02-21 | 安徽昌永得机械有限公司 | Overlap welding tool suitable for excavator movable arm |
| CN111168314A (en) * | 2020-04-01 | 2020-05-19 | 刘争 | Full-automatic welding tool for excavator movable arm assembly |
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| CN114346576A (en) | 2022-04-15 |
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