Steel sheet surface dust cleaning and scrap iron pickup sorting device
By designing a dust removal and iron filings picking and sorting device for steel plate surfaces, a fan and electromagnetic chuck are used to automatically remove dust and iron filings from the steel plate surface, solving the problem of interference from ferromagnetic materials and improving the signal-to-noise ratio and detection accuracy of magnetic flux leakage detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PETROCHINA CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-07-21
AI Technical Summary
In magnetic flux leakage testing of the bottom plate of atmospheric pressure storage tanks, ferromagnetic materials such as iron filings and welding rod ends scattered on the surface of the steel plate interfere with the detection signal, resulting in a decrease in the signal-to-noise ratio and affecting the accuracy of the detection.
A device for cleaning dust and picking up and sorting iron filings on the surface of steel plates was designed, including a fan system, a double rotating sweeping disc mechanism, an electromagnetic chuck recovery mechanism, and a remote control device. The device cleans dust by wind power and picks up iron filings by electromagnetic chuck, thereby achieving remote control and automated sorting.
It effectively removes dust and iron filings from the surface of steel plates, improves the signal-to-noise ratio of magnetic flux leakage detection, ensures the accuracy and reliability of test data, and provides ideal testing conditions.
Smart Images
Figure CN224525413U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of surface debris cleaners, and relates to a device for cleaning dust from steel plate surfaces and picking up and sorting iron filings. Background Technology
[0002] In magnetic flux leakage (MF) testing of atmospheric pressure storage tank bottom plates, for ferromagnetic bottom plates of steel atmospheric pressure storage tanks, MF testing technology is typically used for corrosion detection and defect identification. However, all MF testing instruments currently available in the domestic market for atmospheric pressure storage tanks use permanent magnets to provide the magnetizing magnetic field. Regardless of whether the instrument is in operation or not, the MF testing probe continuously maintains a strong magnetic field. During MF testing of the atmospheric pressure storage tank bottom plate, as the instrument moves, the MF testing probe attracts ferromagnetic materials such as iron filings and welding rod ends scattered on the surface of the steel bottom plate. As the scanning range increases, the amount of ferromagnetic material attracted by the MF testing probe continuously increases. In the actual work of magnetic flux leakage detection of atmospheric pressure storage tank bottom plates, these ferromagnetic materials will greatly interfere with the magnetic flux leakage signal received by the instrument, reducing the signal-to-noise ratio of the detection signal. These ferromagnetic materials such as iron filings and welding rod ends scattered on the surface of the steel plate have become the main interference factors in the magnetic flux leakage detection of atmospheric pressure storage tank bottom plates. Therefore, removing these ferromagnetic materials scattered on the surface of the workpiece being tested (atmospheric pressure storage tank bottom plate or steel plate) is one of the prerequisites for ensuring the accuracy of magnetic flux leakage detection data.
[0003] Currently, in China, the industry generally uses ordinary tools such as brooms to clean the dust and scattered iron filings and other ferromagnetic materials on the bottom plate or steel plate of atmospheric pressure storage tanks for magnetic flux leakage testing. In actual operation, these fine iron filings and other ferromagnetic materials scattered on the bottom plate or steel plate of atmospheric pressure storage tanks are difficult to clean completely, which greatly interferes with the magnetic flux leakage test data.
[0004] Since the 1960s, when scholars proposed the magnetic dipole model for calculating the magnetic leakage field of defects, it has become one of the fundamental theories of analytical methods for magnetic leakage detection. Internationally, research on magnetic leakage detection technology began, leading to later theories such as the finite element analysis method. Domestic magnetic leakage detection instruments started relatively late, and the variety and quantity of manufactured instruments are fewer compared to foreign countries. The first generation of magnetic leakage flaw detectors was developed in 1985. In the early 21st century, domestically produced magnetic leakage detectors suitable for tank bottoms and pipelines were successfully developed. For decades, research institutions have focused on the magnetic leakage detection technology itself, but have not conducted further research on methods to eliminate interference from ferromagnetic materials such as iron filings encountered in magnetic leakage detection of atmospheric pressure storage tank bottoms. Therefore, the interference factors of ferromagnetic materials such as iron filings have remained unresolved in practical testing work. Utility Model Content
[0005] The purpose of this invention is to provide a device for cleaning dust from the surface of steel plates and picking up and sorting iron filings, which solves the problem in the prior art where ferromagnetic substances on the surface of the workpiece interfere with the detection results during the magnetic flux leakage detection process.
[0006] The technical solution adopted by this utility model is a steel plate surface dust cleaning and iron filings picking and sorting device, including a trolley body, a fan system installed on the top of the trolley body, an air duct system installed at the bottom of the fan system, a double rotary sweeping disc mechanism installed on one side of the bottom of the trolley body, a walking mechanism installed at the bottom of the trolley body, and an air duct system, a dust and waste bin and a storage box arranged sequentially from top to bottom on the side of the trolley body away from the double rotary sweeping disc mechanism, and an air duct system, an electromagnetic chuck recycling mechanism and a tipping platform mechanism are arranged between the storage box and the double rotary sweeping disc mechanism.
[0007] The features of this utility model also include:
[0008] The fan system includes a fan motor, which is fixed to the top of the trolley body. The output end of the fan motor is fitted with a coupling, and the other end of the coupling shaft is provided with a connecting shaft. The fan motor is connected to the connecting shaft through the coupling, and several blades are fixed to the bottom of the connecting shaft.
[0009] The air duct system includes a first air duct, one end of which is fixed to the bottom of the car body, and the other end is fixed to a second air duct. The other end of the second air duct is fixed to a third air duct. Several blades are located in the third air duct. The end of the third air duct away from the second air duct is provided with an air duct outlet. The air duct outlet is connected to a settling chamber. A dust and waste bin is slidably connected to the bottom of the settling chamber.
[0010] The first air duct is a rectangular air duct, the third air duct is a circular air duct, and the second air duct is a funnel-shaped air duct in the transition zone. The bottom of the second air duct matches the upper end of the first air duct, and the top of the second air duct matches the lower end of the third air duct.
[0011] It also includes a remote control device, which controls the fan system, walking mechanism, scrap metal recycling machine, tilting platform mechanism and double rotary sweeping disc mechanism via signals;
[0012] The bottom of the storage box is fixed with a battery, a hydraulic oil pump, a hydraulic oil tank, and a signal receiver box in sequence.
[0013] A partition is provided between the electromagnetic chuck recycling mechanism and the storage box. The electromagnetic chuck recycling mechanism includes a hydraulic motor. The hydraulic motor is fixed to the side of the partition away from the storage box. A second slide is provided above the hydraulic motor in the horizontal direction. The second slide is a penetrating slide. The hydraulic motor is connected to a crank by a key. The crank is located on the side of the partition close to the storage box. The other end of the crank is connected to a first slider by a pin.
[0014] The electromagnetic chuck recycling mechanism also includes a connecting rod, which has a three-fixed structure. A first sliding groove is opened in the middle of the connecting rod, and a first slider slides in the first sliding groove. A third sliding groove is opened at the bottom of the connecting rod, and a fixed pin is set in the third sliding groove. A second slider is connected to the top of the connecting rod through the pin. The second slider is placed in the second sliding groove. A brush head fixing frame is welded to the side of the second slider away from the connecting rod. Brush heads are fixed to the opposite ends of the brush head fixing frame. The brush head fixing frame and the brush head are located on the side of the middle partition away from the storage box.
[0015] A slide is inclinedly installed directly below the brush head fixing bracket. One side wall of the slide is tightly attached to the middle partition. The highest point of the slide is fixed to the inner side wall of the trolley, and the lowest point of the slide is in close contact with the scrap metal recycling box, which is fixed to the bottom of the trolley.
[0016] The tilting mechanism includes an electromagnetic chuck, to which a sealing plate is fixedly connected. The sealing plate is tightly fitted with a recovery compartment door, and the sealing plate and the recovery compartment can form a sealed space. Two first bidirectional hydraulic cylinders are arranged on the side of the sealing plate away from the electromagnetic chuck. The two first bidirectional hydraulic cylinders are arranged in a direction parallel to the sealing plate. One end of each first bidirectional hydraulic cylinder is hinged to the bottom of the trolley body, and the other end is connected to a tilting link through a pin. The bottom end of the tilting link is connected to the bottom of the trolley body through a hinge, and the top end of the tilting link is connected to the sealing plate through a hinge.
[0017] The bottom of the recycling bin is also fixed with a contact bracket. The contact bracket is provided with normally open contacts and a first normally closed contact from top to bottom. The normally open contacts are connected to a hydraulic motor through wires. The hydraulic motor, normally open contacts and battery form a first closed circuit. The first normally closed contacts are connected to an electromagnetic chuck through wires. The electromagnetic chuck, first normally closed contacts and battery form a second closed circuit.
[0018] The side wall of the car body is equipped with a second normally closed contact. The second normally closed contact and the normally open contact are a dual-control switch. The second normally closed contact is located at one end of the second slide and above the scrap recycling box. The hydraulic motor is connected to the second normally closed contact through a wire. The hydraulic motor, the second normally closed contact and the battery form a third closed circuit.
[0019] The dual-rotary sweeping mechanism includes two sweeping disc frames. One end of each sweeping disc frame is connected to the bottom of the trolley body via a hinge, and the other end is connected to a sweeping disc motor via a bearing. The two sweeping disc motors are connected to sweeping discs via keys. The bottom of the trolley body is also connected to two second bidirectional hydraulic cylinders via hinges. The other end of each of the two second bidirectional hydraulic cylinders is connected to the two sweeping disc frames via hinges. The two sweeping disc frames are connected together by a third bidirectional hydraulic cylinder via a hinge.
[0020] The beneficial effects of this utility model are:
[0021] This utility model relates to a steel plate surface dust cleaning and iron filings picking and sorting device, comprising a double rotating sweeping disc mechanism, an electromagnetic chuck, an electromagnetic chuck recovery mechanism, and a remote control device. By remotely controlling the device, operators can stay away from the dust generated during cleaning, thus avoiding any harm to their health. By cleaning dust from the workpiece surface and sorting scattered iron filings, welding rod ends, and other ferromagnetic materials, it can simultaneously remove dust, debris, and ferromagnetic materials scattered on the surface of steel plates such as atmospheric pressure storage tank bottom plates. This provides an ideal working surface for magnetic flux leakage (MFL) testing of workpieces such as atmospheric pressure storage tank bottom plates or steel plates, solving the problem of ferromagnetic materials such as iron filings and welding rod ends affecting the accuracy of MFL testing, improving the signal-to-noise ratio of MFL testing, and providing a foundation for accurate quantitative MFL testing. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0023] Figure 2 This is a longitudinal cross-sectional view of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0024] Figure 3 This is a cross-sectional view of the crank-slider mechanism of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0025] Figure 4 This is a cross-sectional view of the flipping mechanism of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0026] Figure 5 This is a cross-sectional view of the electromagnetic chuck recycling mechanism of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0027] Figure 6 This is a top view of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model;
[0028] Figure 7 This is a diagram showing the layout of the control panel for the remote control device of the steel plate surface dust cleaning and iron filings picking and sorting device of this utility model.
[0029] In the diagram, 1. Fan system; 101. Fan motor; 102. Coupling; 103. Blade; 104. Connecting shaft; 2. Duct system; 201. First duct; 202. Second duct; 203. Third duct; 204. Duct outlet; 205. Settling chamber; 3. Dust bin; 4. Storage box; 401. Battery; 402. Hydraulic pump; 403. Hydraulic tank; 404. Signal receiver box; 5. Walking mechanism; 6. Electromagnetic chuck retrieval mechanism; 601. Hydraulic motor; 602. Crank; 603. First slider; 604. Connecting rod; 605. First slide groove; 606. Fixed pin; 607. Second slider; 608. Second slide groove; 609. Brush head holder; 610. Brush head; 611. Third slide groove 612. Iron scrap recycling bin; 613. Slide rail; 614. First normally closed contact; 615. Second normally closed contact; 616. Contact bracket; 7. Tilting mechanism; 701. Electromagnetic chuck; 702. Sealing plate; 703. Tilting linkage; 704. First bidirectional hydraulic cylinder; 705. Recycling bin door; 706. Normally open contact; 8. Double rotary sweeping disc mechanism; 801. Sweeping disc motor; 802. Sweeping disc; 803. Sweeping disc frame; 804. Second bidirectional hydraulic cylinder; 805. Third bidirectional hydraulic cylinder; 9. Car body; 10. Remote control device; 1001. Fan rocker arm; 1002. Start button; 1003. Sweeping disc rocker arm; 1004. Suction cup rocker arm; 1005. Travel rocker arm; 1006. Steering rocker arm; 1007. Stop button. Detailed Implementation
[0030] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0031] A device for cleaning dust from steel plate surfaces and picking up and sorting iron filings, such as Figure 1 As shown, the device includes a trolley body 9, a fan system 1 on the top of the trolley body 9, a duct system 2 at the bottom of the fan system 1, a double rotary sweeping mechanism 8 on one side of the bottom of the trolley body 9, a walking mechanism 5 at the bottom of the trolley body 9, and from top to bottom, a duct system 2, a dust and waste bin 3, and a storage box 4 on the side of the trolley body 9 away from the double rotary sweeping mechanism 8. Between the storage box 4 and the double rotary sweeping mechanism 8, a duct system 2, an electromagnetic chuck recycling mechanism 6, and a tipping mechanism 7 are arranged.
[0032] like Figure 2 As shown, the fan system 1 includes a fan motor 101, which is fixed to the top of the trolley body 9. The output end of the fan motor 101 is fitted with a coupling 102, and the other end of the shaft of the coupling 102 is provided with a connecting shaft 104. The fan motor 101 is connected to the connecting shaft 104 through the coupling 102, and several blades 103 are fixed to the bottom of the connecting shaft 104.
[0033] The air duct system 2 includes a first air duct 201, one end of which is fixed to the bottom of the car body 9, and the other end is fixed to a second air duct 202. The other end of the second air duct 202 is fixed to a third air duct 203. Several blades 103 are located in the third air duct 203. The end of the third air duct 203 away from the second air duct 202 is provided with an air duct outlet 204. The air duct outlet 204 is connected to a settling chamber 205. A dust and waste bin 3 is slidably connected to the bottom of the settling chamber 205.
[0034] The first air duct 201 is a rectangular air duct, the third air duct 203 is a circular air duct, and the second air duct 202 is a funnel-shaped air duct in the transition zone. The bottom of the second air duct 202 matches the upper end of the first air duct 201, and the top of the second air duct 202 matches the lower end of the third air duct 203.
[0035] The bottom of the storage box 4 is sequentially fixed with a storage battery 401, a hydraulic oil pump 402, a hydraulic oil tank 403, and a signal receiver box 404.
[0036] like Figure 3 As shown, a partition is provided between the electromagnetic chuck retrieval mechanism 6 and the storage box 4. The electromagnetic chuck retrieval mechanism 6 includes a hydraulic motor 601, which is fixed to the side of the partition away from the storage box 4. A second slide groove 608 is provided horizontally above the hydraulic motor 601. The second slide groove 608 is a penetrating slide groove. The hydraulic motor 601 is connected to a crank 602 via a key. The crank 602 is located on the side of the partition closer to the storage box 4. The other end of the crank 602 is connected to a first slider 603 via a pin. The electromagnetic chuck retrieval mechanism 6 also includes a connecting rod 604, which has a three-fixed structure. A first slide groove 605 is provided in the middle of the 04, and a first slider 603 slides in the first slide groove 605. A third slide groove 611 is provided at the bottom of the connecting rod 604. A fixing pin 606 is provided in the third slide groove 611. A second slider 607 is connected to the top of the connecting rod 604 through the pin. The second slider 607 is strip-shaped and is placed in the second slide groove 608. A brush head fixing frame 609 is welded to the side of the second slider 607 away from the connecting rod 604. Brush heads 610 are fixed to the opposite ends of the brush head fixing frame 609. The brush head fixing frame 609 and the brush heads 610 are located on the side of the middle partition away from the storage box 4.
[0037] A slide 613 is inclinedly arranged directly below the brush head fixing bracket 609. One side wall of the slide 613 is tightly attached to the middle partition. The highest point of the slide 613 is fixed to the inner side wall of the trolley body 9, and the lowest point of the slide 613 is in close contact with the scrap metal recycling box 612. The scrap metal recycling box 612 is fixed to the bottom of the trolley body 9.
[0038] like Figure 4As shown, the tilting mechanism 7 includes an electromagnetic chuck 701, to which a sealing plate 702 is fixedly connected. The sealing plate 702 is tightly fitted with a recovery chamber door 705, forming a sealed space with the recovery chamber. Two first bidirectional hydraulic cylinders 704 are arranged on the side of the sealing plate 702 away from the electromagnetic chuck 701. The two first bidirectional hydraulic cylinders 704 are arranged parallel to the sealing plate 702. One end of each first bidirectional hydraulic cylinder 704 is hinged to the bottom of the trolley body 9, and the other end is connected to a tilting link 703 via a pin. The bottom end of the tilting link 703 is hinged to the bottom of the trolley body 9, and the top end of the tilting link 703 is hinged to the sealing plate 702. The tilting link 703 is arranged in two sets, each set consisting of two links. The two links in each set are arranged crosswise, with the plane of the links perpendicular to the sealing plate 702. The bottom end of each link is hinged to the bottom of the trolley body 9, and the top end is hinged to the sealing plate 702.
[0039] like Figure 2 As shown, a contact bracket 616 is also fixed to the bottom of the recycling bin. The contact bracket 616 is provided with a normally open contact 706 and a first normally closed contact 614 from top to bottom. The normally open contact 706 is connected to a hydraulic motor 601 through a wire. The hydraulic motor 601, the normally open contact 706 and the battery 401 form a first closed circuit. The first normally closed contact 614 is connected to an electromagnetic chuck 701 through a wire. The electromagnetic chuck 701, the first normally closed contact 614 and the battery 401 form a second closed circuit.
[0040] like Figure 5 As shown, a second normally closed contact 615 is provided on the side wall of the car body 9. The second normally closed contact 615 and the normally open contact 706 form a double-control switch. The second normally closed contact 615 is located at one end of the second slide 608 and above the scrap recycling box 612. The hydraulic motor 601 is connected to the second normally closed contact 615 through a wire. The hydraulic motor 601, the second normally closed contact 615 and the battery 401 form a third closed circuit.
[0041] like Figure 2 As shown, the dual-rotary sweeping mechanism 8 includes two sweeping disc frames 803. One end of each sweeping disc frame 803 is connected to the bottom of the trolley body 9 via a hinge, and the other end is connected to a sweeping disc motor 801 via bearings. The two sweeping disc motors 801 are connected to sweeping discs 802 via keys. The bottom of the trolley body 9 is also connected to two second bidirectional hydraulic cylinders 804 via hinges. The other ends of the two second bidirectional hydraulic cylinders 804 are connected to the two sweeping disc frames 803 via hinges. Figure 6 As shown, the two sweeping disc frames 803 are connected by a third bidirectional hydraulic cylinder 805 via a hinge.
[0042] like Figure 7As shown, it also includes a remote control device 10, which controls the fan system 1, the walking mechanism 5, the electromagnetic chuck retrieval mechanism 6, the tilting mechanism 7, and the double rotating sweeping mechanism 8 via signals.
[0043] Example 1
[0044] A device for cleaning dust from steel plate surfaces and picking up and sorting iron filings, such as Figure 1 As shown, the device includes a trolley body 9, a fan system 1 on the top of the trolley body 9, a duct system 2 at the bottom of the fan system 1, a double rotary sweeping mechanism 8 on one side of the bottom of the trolley body 9, a walking mechanism 5 at the bottom of the trolley body 9, and from top to bottom, a duct system 2, a dust and waste bin 3, and a storage box 4 on the side of the trolley body 9 away from the double rotary sweeping mechanism 8. Between the storage box 4 and the double rotary sweeping mechanism 8, a duct system 2, an electromagnetic chuck recycling mechanism 6, and a tipping mechanism 7 are arranged.
[0045] Example 2
[0046] Based on the steel plate surface dust cleaning and iron filings picking and sorting device provided in Example 1, the steel plate surface dust cleaning and iron filings picking and sorting device provided in this example is as follows: Figure 2 As shown, the fan system 1 includes a fan motor 101, which is fixed to the top of the trolley body 9. The output end of the fan motor 101 is fitted with a coupling 102, and the other end of the shaft of the coupling 102 is provided with a connecting shaft 104. The fan motor 101 is connected to the connecting shaft 104 through the coupling 102, and several blades 103 are fixed to the bottom of the connecting shaft 104.
[0047] The air duct system 2 includes a first air duct 201, one end of which is fixed to the bottom of the trolley body 9, and the other end is fixed to a second air duct 202. The other end of the second air duct 202 is fixed to a third air duct 203. Several blades 103 are located inside the third air duct 203. The gap between the blades 103 and the wall of the third air duct 203 is 8-10 mm. An air duct outlet 204 is provided at the end of the third air duct 203 away from the second air duct 202. The air duct outlet 204 is connected to a settling chamber 205. A dust and waste bin 3 is slidably connected to the bottom of the settling chamber 205. The dust and waste bin 3 has a drawer-type structure, and its drawer track is fixed on the support frame below the settling chamber 205. The dust and waste bin 3 and the drawer passage are sealed together. The first air duct 201 is a rectangular air duct, the third air duct 203 is a circular air duct, and the second air duct 202 is a funnel-shaped air duct in the transition zone. The bottom of the second air duct 202 matches the upper end of the first air duct 201, and the top of the second air duct 202 matches the lower end of the third air duct 203.
[0048] The bottom of the storage box 4 is sequentially fixed with a storage battery 401, a hydraulic oil pump 402, a hydraulic oil tank 403, and a signal receiver box 404.
[0049] Example 3
[0050] Based on the steel plate surface dust cleaning and iron filings picking and sorting device provided in Example 2, the steel plate surface dust cleaning and iron filings picking and sorting device provided in this example is as follows: Figure 3 As shown, a partition is provided between the electromagnetic chuck retrieval mechanism 6 and the storage box 4. The electromagnetic chuck retrieval mechanism 6 includes a hydraulic motor 601, which is fixed to the side of the partition away from the storage box 4. A second slide groove 608 is provided horizontally above the hydraulic motor 601. The second slide groove 608 is a penetrating slide groove. The hydraulic motor 601 is connected to a crank 602 via a key. The crank 602 is located on the side of the partition closer to the storage box 4. The other end of the crank 602 is connected to a first slider 603 via a pin. The electromagnetic chuck retrieval mechanism 6 also includes a connecting rod 604, which has a three-fixed structure. A first slide groove 605 is provided in the middle of the 04, and a first slider 603 slides in the first slide groove 605. A third slide groove 611 is provided at the bottom of the connecting rod 604. A fixing pin 606 is provided in the third slide groove 611. A second slider 607 is connected to the top of the connecting rod 604 through the pin. The second slider 607 is strip-shaped and is placed in the second slide groove 608. A brush head fixing frame 609 is welded to the side of the second slider 607 away from the connecting rod 604. Brush heads 610 are fixed to the opposite ends of the brush head fixing frame 609. The brush head fixing frame 609 and the brush heads 610 are located on the side of the middle partition away from the storage box 4.
[0051] A slide 613 is inclinedly arranged directly below the brush head fixing bracket 609. One side wall of the slide 613 is tightly attached to the partition plate. The highest point of the slide 613 is fixed to the inner side wall of the trolley body 9, and the lowest point of the slide 613 is in close contact with the scrap metal collection box 612, which is fixed to the bottom of the trolley body 9. The hydraulic motor 601 drives the crank 602 and the first slider 603 to rotate. The first slider 603 actuates the connecting rod 604 to reciprocate. The connecting rod 604 drives the second slider 607 to reciprocate horizontally. This causes the brush head 610 to brush off the iron filings and welding rod ends attracted by the electromagnet, which then fall into the scrap metal collection box 612 along the inclined slide 613, completing the scrap metal collection.
[0052] like Figure 4As shown, the tilting mechanism 7 includes an electromagnetic chuck 701, to which a sealing plate 702 is fixedly connected. The sealing plate 702 is tightly fitted with a recovery chamber door 705, forming a sealed space with the recovery chamber. Two first bidirectional hydraulic cylinders 704 are arranged on the side of the sealing plate 702 away from the electromagnetic chuck 701. The two first bidirectional hydraulic cylinders 704 are arranged parallel to the sealing plate 702. One end of each first bidirectional hydraulic cylinder 704 is hinged to the bottom of the trolley body 9, and the other end is connected to a tilting link 703 via a pin. The bottom end of the tilting link 703 is hinged to the bottom of the trolley body 9, and the top end of the tilting link 703 is hinged to the sealing plate 702. The tilting link 703 is arranged in two sets, each set consisting of two links. The two links in each set are arranged crosswise, with the plane of the links perpendicular to the sealing plate 702. The bottom end of each link is hinged to the bottom of the trolley body 9, and the top end is hinged to the sealing plate 702.
[0053] Example 4
[0054] Based on the steel plate surface dust cleaning and iron filings picking and sorting device provided in Example 3, the steel plate surface dust cleaning and iron filings picking and sorting device provided in this example, such as Figure 2 As shown, a contact bracket 616 is also fixed to the bottom of the recycling bin. The contact bracket 616 is provided with a normally open contact 706 and a first normally closed contact 614 from top to bottom. The normally open contact 706 is connected to a hydraulic motor 601 through a wire. The hydraulic motor 601, the normally open contact 706 and the battery 401 form a first closed circuit. The first normally closed contact 614 is connected to an electromagnetic chuck 701 through a wire. The electromagnetic chuck 701, the first normally closed contact 614 and the battery 401 form a second closed circuit.
[0055] like Figure 5 As shown, a second normally closed contact 615 is provided on the side wall of the car body 9. The second normally closed contact 615 and the normally open contact 706 form a double-control switch. The second normally closed contact 615 is located at one end of the second slide 608 and above the scrap recycling box 612. The hydraulic motor 601 is connected to the second normally closed contact 615 through a wire. The hydraulic motor 601, the second normally closed contact 615 and the battery 401 form a third closed circuit.
[0056] Example 5
[0057] Based on the steel plate surface dust cleaning and iron filings picking and sorting device provided in Example 4, the steel plate surface dust cleaning and iron filings picking and sorting device provided in this example, such as Figure 2As shown, the dual-rotary sweeping mechanism 8 includes two sweeping disc frames 803. One end of each sweeping disc frame 803 is connected to the bottom of the trolley body 9 via a hinge, and the other end is connected to a sweeping disc motor 801 via bearings. The two sweeping disc motors 801 are connected to sweeping discs 802 via keys. The bottom of the trolley body 9 is also connected to two second bidirectional hydraulic cylinders 804 via hinges. The other ends of the two second bidirectional hydraulic cylinders 804 are connected to the two sweeping disc frames 803 via hinges. Figure 6 As shown, a third bidirectional hydraulic cylinder 805 is hinged between the two sweeping disc frames 803. Activating the dual-rotation sweeping disc mechanism 8 enables the sweeping discs 802 to rotate. The distance between the sweeping discs 802 and the workpiece surface can be adjusted by controlling the second bidirectional hydraulic cylinder 804 on the sweeping disc frame 803. The horizontal distance between the two sweeping discs can be adjusted by controlling the third bidirectional hydraulic cylinder 805 between the two sweeping disc frames 803. First, the sweeping discs 802 closest to the workpiece surface rotate relative to each other; for example, one side of the trolley's sweeping disc 802 rotates clockwise while the other side rotates counterclockwise, stirring up debris, dust, and scattered iron filings from the workpiece surface, causing them to rise and converge towards the trolley's central axis. The air duct system 2, following closely behind, then draws the risen debris and iron filings into the air duct. Figure 7 As shown, it also includes a remote control device 10, which controls the fan system 1, the walking mechanism 5, the electromagnetic chuck retrieval mechanism 6, the tilting mechanism 7, and the double rotating sweeping mechanism 8 via signals.
[0058] When the electromagnetic chuck 701, located in the first air duct 201 section, is energized, it can adsorb and sort ferromagnetic materials such as iron filings and welding rod ends from the waste entering the first air duct 201. After accumulating to a certain amount or over a certain period of time, when the fan is not in operation, the first bidirectional hydraulic cylinder 704 in the tilting mechanism 7 is activated via the remote control device 10. The sealing plate 702 opens, and the electromagnetic chuck 701 is drawn into the recycling bin along with the sealing plate 702. The tilting mechanism is activated only after the upper and lower poles (i.e., N and S poles) of the electromagnetic chuck 701 are in close contact with the brush head 610 on the first slider 603. After mechanism 7 flips to its position, it triggers the first normally closed contact 614, causing the electromagnetic chuck 701 to demagnetize. Simultaneously, it triggers the normally open contact 706, and the hydraulic motor 601 starts working. The hydraulic motor 601 drives the crank 602 and the first slider 603 to rotate. The first slider 603 moves the connecting rod 604 to swing back and forth. The connecting rod 604 drives the second slider 607 to move horizontally back and forth. This causes the brush head 610 to brush off the iron filings and welding rod ends attracted by the electromagnet, and they fall into the iron filings recycling box 612 along the inclined slide 613, completing the iron filings recycling.
[0059] Example 6
[0060] Using the steel plate surface dust cleaning and iron filings picking and sorting device provided in Example 5, this example provides an operation method for the steel plate surface dust cleaning and iron filings picking and sorting device, such as... Figure 7 As shown, the remote control device 10 uses radio frequency signal transmission, and can be used to operate the dust cleaning and iron filings picking and sorting device on the steel plate surface. Before starting work, turn on the power switch of the battery 401 to supply power to the vehicle. After work is completed, turn off the power switch of the battery 401 to disconnect the power supply to the vehicle.
[0061] Step 1: The fan rocker arm 1001 has 3 positions. When the rocker arm is moved away from the "0" position, the fan motor 101 starts and drives the blades 103 to rotate. Adjusting the fan rocker arm 1001 to the "1"-"3" position is used to control the output speed of the fan motor 101 to adjust the air volume.
[0062] Step 2: Dust on the surface of the workpiece is attracted by the fan and enters the settling chamber 205 through the air duct. Air escapes outside the vehicle through the filters on both sides of the settling chamber 205, and dust settles into the dust waste bin 3.
[0063] Step 3: Press the start button 1002 to start the sweeping disc motor 801. Move the sweeping disc rocker arm 1003 to the "raise" or "lower" position. The second bidirectional hydraulic cylinder 804 will activate, driving the sweeping disc frame 803 to perform the "raise" or "lower" action. Move the sweeping disc rocker arm 1003 to the "separate" or "close" position. The third bidirectional hydraulic cylinder 805 will activate, driving the sweeping disc frame 803 to perform the "separate" or "close" action. The sweeping disc reset rocker arm will return to the middle "0" position, and the hydraulic oil pump will stop working.
[0064] Step 4: The suction cup lever 1004 is moved to the "retrieve" position. The first bidirectional hydraulic cylinder 704 is activated, driving the tilting linkage 703 to move, and the sealing plate 702 opens. Figure 2 As shown, the electromagnetic chuck 701 flips from position "I" to position "II" along with the sealing plate 702, completing the entry and retrieval action of the electromagnetic chuck 701. After the electromagnetic chuck flips to position "II", the first normally closed contact 614 is triggered, the electromagnetic chuck 701 loses its electromagnetic force and the ferromagnetic material adsorbed on the electromagnetic chuck 701 begins to fall off.
[0065] Step 5: The electromagnetic chuck 701 triggers the first normally closed contact 614 and simultaneously triggers the normally open contact 706. The hydraulic motor 601 starts working, driving the crank 602 and the first slider 603 to rotate. The first slider 603 moves the connecting rod 604 to reciprocate. The connecting rod 604 drives the second slider 607 to reciprocate horizontally. The brush head 610 contacts the surface of the electromagnetic chuck 701, and the second slider 607 drives the brush head 610 to clean and remove ferromagnetic substances from the surface of the electromagnetic chuck 701.
[0066] Step 6: After the second slide 607 completes one reciprocating motion, it returns to the starting position of the second slide 608 and triggers the second normally closed contact 615. The ferromagnetic material adsorbed on the electromagnetic chuck 701 falls into the slide 613, and the ferromagnetic material such as iron filings falls into the iron filings recycling box 612 along the inclined slide 613, thus completing the iron filings recycling.
[0067] Step 7: Move the travel joystick 1005 to the "forward" or "backward" position to control the car to start moving forward or backward; move the steering joystick 1006 to the "left turn" or "right turn" position to control the car to turn left or right.
[0068] Step 8: After reaching the area to be cleaned, repeat steps 1-6.
[0069] By remotely controlling the dust cleaning and iron filings picking and sorting device on the steel plate surface, operators can stay away from the dusty environment, ensuring the safety of the workers. By cleaning the dust on the workpiece surface and sorting the scattered iron filings, welding rod ends and other ferromagnetic materials, a relatively ideal working surface can be provided for the magnetic flux leakage detection of workpieces such as the bottom plate of atmospheric pressure storage tanks or steel plates, solving the problem that the iron filings, welding rod ends and other ferromagnetic materials scattered on the workpiece surface affect the accuracy of magnetic flux leakage detection.
Claims
1. A device for cleaning dust and picking up and sorting iron filings on the surface of steel plates, characterized in that, The vehicle includes a car body (9), a fan system (1) is provided on the top of the car body (9), a duct system (2) is provided at the bottom of the fan system (1), a double rotating sweeping disc mechanism (8) is provided on one side of the bottom of the car body (9), a walking mechanism (5) is also provided at the bottom of the car body (9), and a duct system (2), a dust and waste bin (3) and a storage box (4) are arranged sequentially from top to bottom on the side of the car body (9) away from the double rotating sweeping disc mechanism (8). A duct system (2), an electromagnetic chuck recycling mechanism (6) and a flipping platform mechanism (7) are arranged between the storage box (4) and the double rotating sweeping disc mechanism (8).
2. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 1, characterized in that, The fan system (1) includes a fan motor (101), which is fixed to the top of the trolley body (9). The output end of the fan motor (101) is fitted with a coupling (102), and the other end of the shaft of the coupling (102) is provided with a connecting shaft (104). The fan motor (101) is connected to the connecting shaft (104) through the coupling (102), and several blades (103) are fixed to the bottom of the connecting shaft (104).
3. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 2, characterized in that, The air duct system (2) includes a first air duct (201), one end of which is fixed to the bottom of the car body (9), and the other end is fixed to a second air duct (202). The other end of the second air duct (202) is fixed to a third air duct (203). Several blades (103) are located in the third air duct (203). The third air duct (203) has an air duct outlet (204) at the end away from the second air duct (202). The air duct outlet (204) is connected to a settling chamber (205). A dust and waste bin (3) is slidably connected to the bottom of the settling chamber (205).
4. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 3, characterized in that, The first air duct (201) is a rectangular air duct, the third air duct (203) is a circular air duct, the second air duct (202) is a funnel-shaped air duct in the transition zone, the bottom of the second air duct (202) matches the upper end of the first air duct (201), and the top of the second air duct (202) matches the lower end of the third air duct (203).
5. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 1, characterized in that, It also includes a remote control device (10), which controls the fan system (1), the walking mechanism (5), the electromagnetic chuck recovery mechanism (6), the flipping mechanism (7) and the double rotating sweeping mechanism (8) through signals. The bottom of the storage box (4) is sequentially fixed with a storage battery (401), a hydraulic oil pump (402), a hydraulic oil tank (403), and a signal receiver box (404).
6. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 1, characterized in that, A partition is provided between the electromagnetic chuck recycling mechanism (6) and the storage box (4). The electromagnetic chuck recycling mechanism (6) includes a hydraulic motor (601). The hydraulic motor (601) is fixed to the side of the partition away from the storage box (4). A second slide groove (608) is provided above the hydraulic motor (601) in the horizontal direction. The second slide groove (608) is a penetrating slide groove. The hydraulic motor (601) is connected to a crank (602) by a key. The crank (602) is located on the side of the partition close to the storage box (4). The other end of the crank (602) is connected to a first slider (603) by a pin. The electromagnetic chuck recycling mechanism (6) also includes a connecting rod (604), which is a three-fixed structure. A first sliding groove (605) is provided in the middle of the connecting rod (604), and the first slider (603) slides in the first sliding groove (605). A third sliding groove (611) is provided at the bottom of the connecting rod (604), and a fixed pin (606) is provided in the third sliding groove (611). A second slider (607) is connected to the top of the connecting rod (604) through the pin. The second slider (607) is placed in the second sliding groove (608). A brush head fixing frame (609) is welded to the side of the second slider (607) away from the connecting rod (604). A brush head (610) is fixed to the opposite ends of the brush head fixing frame (609). The brush head fixing frame (609) and the brush head (610) are located on the side of the middle partition away from the storage box (4).
7. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 6, characterized in that, A slide (613) is inclinedly arranged directly below the brush head fixing frame (609). One side wall of the slide (613) is tightly attached to the partition plate. The highest point of the slide (613) is fixed to the inner side wall of the car body (9). The lowest point of the slide (613) is in close contact with the scrap metal recycling box (612). The scrap metal recycling box (612) is fixed to the bottom of the car body (9).
8. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 7, characterized in that, The flipping mechanism (7) includes an electromagnetic chuck (701), which is fixedly connected to a sealing plate (702). The sealing plate (702) is tightly fitted with a recycling bin door (705). The sealing plate (702) can form a sealed space with the recycling bin. Two first bidirectional hydraulic cylinders (704) are provided on the side of the sealing plate (702) away from the electromagnetic chuck (701). The two first bidirectional hydraulic cylinders (704) are arranged in a direction parallel to the sealing plate (702). One end of each first bidirectional hydraulic cylinder (704) is hinged to the bottom of the trolley body (9), and the other end is connected to a flipping link (703) through a pin. The bottom end of the flipping link (703) is connected to the bottom of the trolley body (9) through a hinge, and the top end of the flipping link (703) is connected to the sealing plate (702) through a hinge.
9. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 8, characterized in that, The bottom of the recycling bin is also fixedly connected to a contact bracket (616). The contact bracket (616) is provided with a normally open contact (706) and a first normally closed contact (614) from top to bottom. The normally open contact (706) is connected to a hydraulic motor (601) through a wire. The hydraulic motor (601), the normally open contact (706), and the battery (401) form a first closed circuit. The first normally closed contact (614) is connected to an electromagnetic chuck (701) through a wire. The electromagnetic chuck (701), the first normally closed contact (614), and the battery (401) form a second closed circuit. The side wall of the trolley body (9) is provided with a second normally closed contact (615). The second normally closed contact (615) and the normally open contact (706) are a dual-control switch. The second normally closed contact (615) is located at one end of the second slide (608) and above the scrap recycling box (612). The hydraulic motor (601) is connected to the second normally closed contact (615) by a wire. The hydraulic motor (601), the second normally closed contact (615) and the battery (401) form a third closed circuit.
10. The steel plate surface dust cleaning and iron filings picking and sorting device according to claim 1, characterized in that, The dual-rotation sweeping mechanism (8) includes two sweeping disc frames (803). One end of each sweeping disc frame (803) is connected to the bottom of the trolley body (9) via a hinge, and the other end is connected to a sweeping disc motor (801) via a bearing. The two sweeping disc motors (801) are connected to sweeping discs (802) via keys. The bottom of the trolley body (9) is also connected to two second bidirectional hydraulic cylinders (804) via hinges. The other end of each second bidirectional hydraulic cylinder (804) is connected to the two sweeping disc frames (803) via hinges. The two sweeping disc frames (803) are connected together via a third bidirectional hydraulic cylinder (805) via a hinge.