CN118010755A - Excavator counter weight welding seam detects frock - Google Patents
Excavator counter weight welding seam detects frock Download PDFInfo
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- CN118010755A CN118010755A CN202410429810.2A CN202410429810A CN118010755A CN 118010755 A CN118010755 A CN 118010755A CN 202410429810 A CN202410429810 A CN 202410429810A CN 118010755 A CN118010755 A CN 118010755A
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- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 105
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 20
- 210000001503 joint Anatomy 0.000 description 4
- 238000009924 canning Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The application relates to an excavator counterweight weld detection tool, and relates to the technical field of counterweight detection, comprising a workbench, wherein a rack is fixedly arranged above the workbench, a mounting rod is horizontally arranged on the rack, a mounting seat is slidably arranged on the mounting rod, and a first driving piece is arranged on the mounting rod; the detection rod is arranged on the mounting seat in a sliding mode, the detection rod comprises a first detection rod and a second detection rod, a first detection unit is arranged at the bottom end of the first detection rod, a second detection unit is arranged at the bottom of the second detection rod, and a lifting assembly used for driving the first detection rod to lift is arranged on the mounting seat. The first driving piece drives the mounting seat to slide along the mounting rod to drive the first detection unit and the second detection unit to synchronously move, so that detection of welding seams in the length direction of the balancing weight is completed, the effect of synchronously detecting the welding quality inside and outside the welding seams of the balancing weight is realized, and the detection efficiency is improved.
Description
Technical Field
The application relates to the technical field of balancing weight detection, in particular to an excavator balancing weight welding line detection tool.
Background
The counterweight is an important part of the excavator, and has the functions of keeping the excavator balanced during working, reducing the shaking of the excavator during working, and the whole structure of the counterweight is mainly formed by welding a stamping shell and a metal plate, and the canning density is adjusted in a certain volume through filling canning materials to achieve the designed canning weight. Because the counterweight of the excavator is an exposed part, the welding seam is required to be attractive, the quality requirement of the welding seam with the interior of the counterweight being a closed space is high, and the phenomena of water leakage and the like are not allowed to occur. The assembly relation of the counterweight is mainly connected with the excavator body main body through the screw rod by the counterweight bottom mounting nut, and the design requirement can be met only by designing tools with higher requirements on the position size and the perpendicularity of the counterweight bottom mounting seat nut. The counterweight water leakage phenomenon is serious in the trial production process of the counterweight of the excavator.
Therefore, after the welding of the balancing weight is completed, workers are required to detect the welding seam quality through the detection device, and all positions of the workpiece are required to be detected, so that the detection efficiency is low.
Disclosure of Invention
In order to improve the detection efficiency of the quality of the welding seam of the balancing weight, the application provides a tool for detecting the welding seam of the balancing weight of the excavator.
The application provides an excavator counterweight welding line detection tool, which adopts the following technical scheme:
The utility model provides an excavator counter weight welding seam detects frock, includes the workstation that is used for placing the balancing weight, the fixed frame that is provided with in top of workstation, the level is provided with the installation pole in the frame, the slip is provided with the mount pad on the installation pole, be provided with on the installation pole and be used for driving the gliding first driving piece of mount pad along the installation pole; the utility model discloses a measuring device, including the mount pad, the mount pad is last to be provided with the measuring bar along vertical direction slip, the measuring bar includes parallel arrangement's first measuring bar and second measuring bar, the bottom of first measuring bar is provided with the first detecting element that is used for detecting the inside welding seam of balancing weight, the bottom of second measuring bar is provided with the second detecting element that is used for detecting the outside welding seam of balancing weight, be provided with the lifting unit who is used for driving first measuring bar to go up and down on the mount pad.
By adopting the technical scheme, firstly, the balancing weight is placed on the workbench, the length direction of the balancing weight corresponds to the axial direction of the mounting rod, then the lifting assembly drives the first detection rod and the second detection rod to synchronously move downwards, so that the first detection unit is aligned with the external welding seam position of the balancing weight, and the second detection unit is aligned with the internal welding seam of the balancing weight; the first driving piece drives the mounting seat to slide along the mounting rod, so that the first detection unit and the second detection unit are driven to synchronously move, detection of the welding line in the length direction of the balancing weight is completed, the effect of synchronously detecting the welding quality inside and outside the welding line of the balancing weight is achieved, the detection efficiency is improved, and compared with the traditional mode of only detecting a single position, the detection quality is effectively improved for the synchronous detection inside and outside the balancing weight.
Further, one side of mount pad rotates and is provided with the installation piece, first measuring rod and second measuring rod slide and wear to locate on the installation piece, be provided with the second driving piece that is used for driving the installation piece deflection on the mount pad.
Further, fixed beam is provided with in the frame, the slip is provided with the sliding seat on the fixed beam, the installation pole is fixed to be set up on the sliding seat, be provided with on the fixed beam and be used for driving the gliding actuating cylinder of sliding seat, the fixed beam is perpendicular with the installation pole.
Further, the first detecting unit is hinged to the first detecting rod, the second detecting unit is hinged to the second detecting rod, and adjusting pieces for adjusting angles are arranged on the first detecting unit and the second detecting unit.
Further, all fixed being provided with the connecting plate on first detecting element and the second detecting element, the connecting plate articulates on the lateral wall of first detecting rod, second detecting rod, the regulating part sets up to adjusting bolt, adjusting bolt screw thread wears to locate on the connecting plate for with the lateral wall butt of first detecting rod, second detecting rod.
Further, the lifting columns used for jacking the balancing weights are arranged on the workbench in a sliding mode along the vertical direction, two groups of lifting columns are arranged, each group of lifting columns comprises two lifting columns, the lifting columns are distributed on the workbench in a rectangular mode, and a jacking assembly used for driving the lifting columns to lift is arranged below the workbench.
Further, the jacking assembly comprises a bottom beam and a jacking cylinder, the jacking cylinder is vertically arranged below the workbench, the bottom beam is horizontally and fixedly arranged on a piston rod of the jacking cylinder, and the bottom of the lifting column is fixedly arranged on the bottom beam.
Further, the lifting column comprises a fixed rod and a movable rod, a sliding groove is formed in the fixed rod along the length direction of the fixed rod, the movable rod is arranged in the sliding groove in a sliding penetrating mode, a supporting portion for supporting the movable rod is arranged in the sliding groove, and an elastic piece for supporting the movable rod is arranged on the fixed rod.
Further, the supporting part comprises a supporting rod and a cam, the cam is rotationally arranged in the chute, the supporting rod is slidingly arranged in the chute along the length direction of the fixed rod and used for supporting the movable rod, one end of the cam is in butt joint with the bottom wall of the supporting rod, the other end of the cam is in butt joint with the bottom wall of the chute, and a rotating assembly used for driving the cam to rotate is arranged on the fixed rod.
Further, two limiting plates are fixedly arranged on the workbench, the distance between the two limiting plates is equal to the width of the balancing weight, and the distances from the two limiting plates to the adjacent lifting columns are equal.
In summary, the present application includes at least one of the following beneficial technical effects:
The first driving piece drives the mounting seat to slide along the mounting rod, so that the first detection unit and the second detection unit are driven to synchronously move, detection of the welding line in the length direction of the balancing weight is completed, the effect of synchronously detecting the welding quality inside and outside the welding line of the balancing weight is achieved, the detection efficiency is improved, and compared with the traditional mode of only detecting a single position, the detection quality is effectively improved for the synchronous detection inside and outside the balancing weight.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of another view of an embodiment of the present application;
FIG. 3 is a schematic diagram of a jacking assembly according to an embodiment of the present application;
FIG. 4 is a schematic view of a lifting column according to an embodiment of the present application;
FIG. 5 is a schematic view of a portion of the structure of an embodiment of the present application;
FIG. 6 is a schematic view of a lifting assembly according to an embodiment of the present application;
Fig. 7 is a schematic structural view of an embodiment of the present application mainly embodying a connection plate and an adjusting bolt.
Reference numerals illustrate: 1. a work table; 11. a limiting plate; 12. a guide plate; 13. a frame; 14. a support frame; 2. a lifting assembly; 21. a gear; 22. a rotating electric machine; 3. lifting columns; 31. a fixed rod; 311. a chute; 312. a fixed table; 32. a movable rod; 321. a rubber pad; 33. a pressure spring; 4. a jacking assembly; 41. a bottom beam; 42. jacking the air cylinder; 51. a support rod; 52. a cam; 61. a rotating shaft; 62. a rotating motor; 71. a mounting rod; 72. a screw rod; 73. a first driving motor; 74. a mounting base; 741. a first ear plate; 7411. a second motor; 75. a mounting block; 751. a second ear plate; 81. a first detection lever; 811. a first detection unit; 82. a second detection rod; 821. a second detection unit; 83. a connecting plate; 831. an adjusting bolt; 84. tooth slots; 9. a fixed beam; 91. a sliding seat; 92. the cylinder is driven.
Detailed Description
The present application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses an excavator counterweight welding line detection tool.
Referring to fig. 1, an excavator counterweight weld detection tool comprises a workbench 1 for placing a counterweight block, wherein the counterweight block is of a rectangular box body structure with an open upper end, and four joints of a side plate and a bottom plate of the counterweight block are four welds to be detected. A supporting frame 14 is arranged below the workbench 1, and the workbench 1 is horizontally and fixedly arranged on the supporting frame 14.
Referring to fig. 1 and 2, the workbench 1 is slidably provided with lifting columns 3 for jacking the balancing weights along the vertical direction, the lifting columns 3 are provided with two groups, each group comprises two lifting columns 3, and the lifting columns 3 are distributed on the workbench 1 in a rectangular shape. The lifting assembly 4 used for driving the lifting columns 3 to lift is arranged below the workbench 1, and when the welding line is detected, the four lifting columns 3 lift the balancing weights off the table top of the workbench 1 so as to detect the welding line.
Referring to fig. 1 and 2, in order to define the weight position so that the center of the weight corresponds to the center of the four lifting columns 3. Two limiting plates 11 are fixedly arranged on the workbench 1, the distance between the two limiting plates 11 is equal to the width of the balancing weight, and the distances from the two limiting plates 11 to the adjacent lifting columns 3 are equal. An outwardly inclined guide plate 12 is fixedly arranged at one end of the limiting plate 11 so as to push the balancing weight to the position to be detected.
Wherein, referring to fig. 2 and 3, the jacking assembly 4 comprises a bottom beam 41 and a jacking cylinder 42. The jacking air cylinders 42 are vertically arranged below the workbench 1, two jacking air cylinders 42 are arranged, the jacking air cylinders 42 are fixedly arranged on the supporting frame 14, the bottom beams 41 are horizontally and fixedly arranged on the piston rods of the jacking air cylinders 42, the bottoms of the lifting columns 3 are fixedly arranged on the bottom beams 41, and every two lifting columns 3 are arranged on one bottom beam 41.
Referring to fig. 3 and 4, the lifting column 3 includes a fixed rod 31 and a movable rod 32, a sliding groove 311 is formed in the fixed rod 31 along the length direction of the fixed rod 31, the movable rod 32 is slidably disposed in the sliding groove 311, a supporting portion for supporting the movable rod 32 is disposed in the sliding groove 311, and a rubber pad 321 is fixedly disposed on the top wall of the movable rod 32 to increase friction with the balancing weight. The fixed rod 31 is provided with an elastic piece for supporting the movable rod 32, the elastic piece is provided with a pressure spring 33, the fixed rod 31 is fixedly provided with a fixed table 312, the pressure spring 33 is sleeved on the fixed rod 31 and the movable rod 32, one end of the pressure spring 33 is abutted with the fixed table 312, and the other end is abutted with a rubber pad 321.
Referring to fig. 4, scales are provided on the side walls of the movable rods 32, when the weight is not in the same vertical axis due to the gravity center and the geometric center, the movable rods 32 are compressed, so that the weight is inclined by a certain angle, and whether the weight is inclined can be judged by observing whether the scales on the four movable rods 32 are consistent, and whether the gravity center and the geometric center of the weight are in the same vertical axis is detected.
Referring to fig. 4, the supporting portion includes a supporting rod 51 and a cam 52, the cam 52 is rotatably disposed in the chute 311, the supporting rod 51 is slidably disposed in the chute 311 along the length direction of the fixed rod 31, and is used for supporting the movable rod 32, one end of the cam 52 is abutted with the bottom wall of the supporting rod 51, and the other end is abutted with the bottom wall of the chute 311.
Referring to fig. 4, a rotation assembly for driving the cam 52 to rotate is provided on the fixing rod 31, the rotation assembly includes a rotation shaft 61 and a rotation motor 62, the rotation shaft 61 is rotatably inserted into the fixing rod 31, the cam 52 is fixedly connected with the rotation shaft 61, the rotation shaft 61 is connected with the two cams 52, the rotation motor 62 is fixedly provided at one side of the fixing rod 31, an output shaft of the rotation motor 62 is fixedly connected with the rotation shaft 61, and the rotation motor 62 is a stepping motor.
When one end of the cam 52 far away from the rotating shaft 61 is abutted against the supporting rod 51, the supporting rod 51 plays a role in supporting the movable rod 32, namely, the balancing weight is in the process of detecting the quality of the welding line; when it is required to detect whether the center of gravity of the counterweight corresponds to the geometric center, the driving cam 52 deflects ninety degrees, and at this time, the top of the supporting rod 51 is separated from the abutting state of the movable rod 32, and at this time, if the counterweight is inclined, the movable rod 32 is driven to move downward.
Referring to fig. 1 and 5, a frame 13 is fixedly provided above the table 1, and a mounting rod 71 is horizontally provided on the frame 13, and a length direction of the mounting rod 71 corresponds to a length direction of the counterweight. The installation rod 71 is provided with an installation seat 74 in a sliding manner, the installation rod 71 is provided with a first driving piece for driving the installation seat 74 to slide along the installation rod 71, the first driving piece is provided with a first driving motor 73 and a screw rod 72, the screw rod 72 penetrates through the installation seat 74 along the length direction of the installation rod 71, the screw rod 72 is in threaded connection with the installation seat 74, the first driving motor 73 is fixedly arranged on the installation seat 74, and an output shaft of the first driving motor 73 is fixedly connected with the screw rod 72.
Referring to fig. 5 and 6, the mounting base 74 is provided with a detection rod slidably in a vertical direction, the detection rod includes a first detection rod 81 and a second detection rod 82 which are disposed in parallel, and a distance between the first detection rod 81 and the second detection rod 82 is greater than a thickness of a side plate of the balancing weight so as to be inserted into the balancing weight.
Referring to fig. 6 and 7, a bottom end of the first detection rod 81 is provided with a first detection unit 811 for detecting an inner weld of the weight, a bottom of the second detection rod 82 is provided with a second detection unit 821 for detecting an outer weld of the weight, and the first detection unit 811 and the second detection unit 821 are laser detectors. The first detection unit 811 is hinged to the first detection lever 81, and the second detection unit 821 is hinged to the second detection lever 82. The first detection unit 811 and the second detection unit 821 are provided with adjusting parts for adjusting angles, the adjusting parts are arranged into adjusting bolts 831, the first detection unit 811 and the second detection unit 821 are fixedly provided with connecting plates 83, the connecting plates 83 are hinged to the side walls of the first detection rod 81 and the second detection rod 82, and the adjusting bolts 831 are threaded through the connecting plates 83 and are used for being in butt joint with the side walls of the first detection rod 81 and the second detection rod 82.
Referring to fig. 5 and 6, fixed beams 9 are fixedly arranged on the frame 13, two fixed beams 9 are arranged in parallel and are respectively positioned at two ends of the mounting rod 71, a sliding seat 91 is slidably arranged on the fixed beams 9, the mounting rod 71 is fixedly arranged on the sliding seat 91, and the fixed beams 9 are perpendicular to the mounting rod 71. The fixed beam 9 is provided with a driving cylinder 92 for driving the sliding seat 91 to slide, the driving cylinder 92 is fixedly arranged at one end of the fixed beam 9, and a piston rod of the driving cylinder 92 is fixedly connected with the sliding seat 91. The driving cylinder 92 stretches and contracts to drive the sliding seat 91 to slide, and then drives the whole mounting rod 71 to move along the fixed beam 9, so that the first detection unit 811 and the second detection unit 821 can move along the width direction of the balancing weight, and the welding seam of the width direction of the balancing weight can be detected conveniently.
Referring to fig. 5 and 6, a mounting block 75 is rotatably disposed on one side of the mounting seat 74, a first detecting rod 81 and a second detecting rod 82 are slidably disposed on the mounting block 75, a lifting assembly 2 for driving the first detecting rod 81 to lift is disposed on the mounting seat 74, and the lifting assembly 2 includes a gear 21 and a rotating motor 22. The gear 21 rotates and sets up on the installation piece 75, and a plurality of tooth grooves 84 have been seted up to the lateral wall that first detection pole 81 and second detection pole 82 are close to each other, and gear 21 and tooth groove 84 meshing, rotating electrical machines 22 are fixed to be set up on the installation piece 75, and the output shaft and the gear 21 meshing of rotating electrical machines 22.
Referring to fig. 5 and 6, a second driving member for driving the mounting block 75 to deflect is provided on the mounting block 74, and specifically, a first lug plate 741 is horizontally and fixedly provided on a side wall of the mounting block 74, a second lug plate 751 is horizontally and fixedly provided on the mounting block 75, and the second lug plate 751 is rotatably provided on the first lug plate 741. The second driving piece is set as a second motor 7411, the second motor 7411 is vertically and fixedly arranged on the first ear plate 741, and an output shaft of the second motor 7411 passes through the first ear plate 741 and is fixedly connected with the second ear plate 751.
The implementation principle of the embodiment of the application is as follows: firstly, placing a balancing weight on a workbench 1, wherein the length direction of the balancing weight corresponds to the axial direction of a mounting rod 71, then driving a first detection rod 81 and a second detection rod 82 to synchronously move downwards through a lifting assembly 2 so as to enable a first detection unit 811 to be aligned with the position of an external welding seam of the balancing weight, and enabling a second detection unit 821 to be aligned with an internal welding seam of the balancing weight; the first driving piece drives the mounting seat 74 to slide along the mounting rod 71, so that the first detection unit 811 and the second detection unit 821 are driven to synchronously move, detection of welding seams in the length direction of the balancing weight is completed, the effect of synchronously detecting the welding quality inside and outside the welding seams of the balancing weight is achieved, the detection efficiency is improved, and compared with a traditional mode of only detecting a single position, the detection quality is effectively improved for synchronous detection inside and outside the balancing weight.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. Excavator counterweight a welding line detection tool, the method is characterized in that: comprises a workbench (1) for placing a balancing weight, a rack (13) is fixedly arranged above the workbench (1), a mounting rod (71) is horizontally arranged on the rack (13), the mounting rod (71) is provided with a mounting seat (74) in a sliding manner, and the mounting rod (71) is provided with a first driving piece for driving the mounting seat (74) to slide along the mounting rod (71); the utility model discloses a measuring device, including balancing weight, including mount pad (74), along vertical direction slip being provided with the measuring bar on mount pad (74), the measuring bar includes parallel arrangement's first measuring bar (81) and second measuring bar (82), the bottom of first measuring bar (81) is provided with first detecting element (811) that are used for detecting the inside welding seam of balancing weight, the bottom of second measuring bar (82) is provided with second detecting element (821) that are used for detecting the outside welding seam of balancing weight, be provided with on mount pad (74) and be used for driving lifting unit (2) that first measuring bar (81) goes up and down.
2. The excavator counterweight weld detection tool as recited in claim 1, wherein: one side of the mounting seat (74) is rotatably provided with a mounting block (75), the first detection rod (81) and the second detection rod (82) are arranged on the mounting block (75) in a sliding penetrating mode, and the mounting seat (74) is provided with a second driving piece used for driving the mounting block (75) to deflect.
3. The excavator counterweight weld detection tool as recited in claim 2, wherein: fixed beam (9) are fixedly arranged on the frame (13), sliding seat (91) are slidably arranged on the fixed beam (9), the mounting rod (71) is fixedly arranged on the sliding seat (91), driving air cylinder (92) for driving the sliding seat (91) to slide is arranged on the fixed beam (9), and the fixed beam (9) is perpendicular to the mounting rod (71).
4. The excavator counterweight weld detection tool as recited in claim 3, wherein: the first detection unit (811) is hinged to the first detection rod (81), the second detection unit (821) is hinged to the second detection rod (82), and the first detection unit (811) and the second detection unit (821) are provided with adjusting pieces for adjusting angles.
5. The excavator counterweight weld detection tool of claim 4, wherein: the device is characterized in that connecting plates (83) are fixedly arranged on the first detection unit (811) and the second detection unit (821), the connecting plates (83) are hinged to the side walls of the first detection rod (81) and the second detection rod (82), the adjusting parts are arranged to be adjusting bolts (831), and the adjusting bolts (831) are threaded on the connecting plates (83) and are used for being abutted to the side walls of the first detection rod (81) and the second detection rod (82).
6. The excavator counterweight weld detection tool as recited in claim 1, wherein: the lifting column (3) for jacking the balancing weight is arranged on the workbench (1) in a sliding mode along the vertical direction, two groups of lifting columns (3) are arranged, each group of lifting columns (3) comprises two lifting columns (3), the lifting columns (3) are distributed on the workbench (1) in a rectangular mode, and a jacking assembly (4) for driving the lifting columns (3) to lift is arranged below the workbench (1).
7. The excavator counterweight weld detection tool of claim 6, wherein: the jacking assembly (4) comprises a bottom beam (41) and a jacking air cylinder (42), the jacking air cylinder (42) is vertically arranged below the workbench (1), the bottom beam (41) is horizontally and fixedly arranged on a piston rod of the jacking air cylinder (42), and the bottom of the lifting column (3) is fixedly arranged on the bottom beam (41).
8. The excavator counterweight weld detection tool of claim 7, wherein: the lifting column (3) comprises a fixed rod (31) and a movable rod (32), a sliding groove (311) is formed in the fixed rod (31) along the length direction of the fixed rod (31), the movable rod (32) is arranged in the sliding groove (311) in a sliding penetrating mode, a supporting portion for supporting the movable rod (32) is arranged in the sliding groove (311), and an elastic piece for supporting the movable rod (32) is arranged on the fixed rod (31).
9. The excavator counterweight weld detection tool of claim 8, wherein: the supporting part comprises a supporting rod (51) and a cam (52), the cam (52) is rotationally arranged in the sliding groove (311), the supporting rod (51) is slidingly arranged in the sliding groove (311) along the length direction of the fixed rod (31) and is used for supporting the movable rod (32), one end of the cam (52) is abutted with the bottom wall of the supporting rod (51), the other end of the cam is abutted with the bottom wall of the sliding groove (311), and a rotating assembly used for driving the cam (52) to rotate is arranged on the fixed rod (31).
10. The excavator counterweight weld detection tool as recited in claim 1, wherein: two limiting plates (11) are fixedly arranged on the workbench (1), the distance between the two limiting plates (11) is equal to the width of the balancing weight, and the distances from the two limiting plates (11) to the adjacent lifting columns (3) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410429810.2A CN118010755A (en) | 2024-04-10 | 2024-04-10 | Excavator counter weight welding seam detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410429810.2A CN118010755A (en) | 2024-04-10 | 2024-04-10 | Excavator counter weight welding seam detects frock |
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| Publication Number | Publication Date |
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| CN118010755A true CN118010755A (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410429810.2A Pending CN118010755A (en) | 2024-04-10 | 2024-04-10 | Excavator counter weight welding seam detects frock |
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| CN116494069A (en) * | 2023-06-14 | 2023-07-28 | 湖南万隆智能科技有限公司 | Balancing weight box welding seam polishing and trimming equipment |
| CN117476537A (en) * | 2023-09-16 | 2024-01-30 | 安庆师范大学 | Wafer fixing device and detection equipment |
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