Side wall quality detection device for boiler water wall tube

Abstract

The invention provides a side wall quality detection device for a water wall tube of a boiler. The side wall quality detection device for the boiler water wall tube comprises a bottom plate, universal wheels are mounted at the bottom of the bottom plate, and a mounting plate is mounted at the top of the bottom plate. The invention relates to a side wall quality detection device for a boiler water-cooled wall tube, which is characterized in that a first fixed seat is mounted on the side surface of a screw sleeve through two groups of connecting rods, and a second fixed seat is mounted on the side surface of the first fixed seat through a rotating shaft; the boiler water wall tube is located on the inner sides of the first fixing seat and the second fixing seat, and at the moment, the first fixing seat and the second fixing seat are in a state of being assembled into an integral structure, so that good stability is achieved when the boiler water wall tube is detected through the two groups of detection plates installed on the inner sides of the first fixing seat and the second fixing seat; and compared with comparison cases, the situation that the boiler water wall tube is separated is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of boiler water-cooled wall tube detection, and in particular relates to a side wall quality detection device for boiler water-cooled wall tubes. Background Art

[0002] The boiler water-cooled wall tube is the main heat-receiving component in the boiler. It is responsible for absorbing the radiant heat of the flame and high-temperature flue gas in the furnace, and also has the function of protecting the furnace wall. The boiler water-cooled wall tube is an important component of the evaporation heating surface of a modern boiler. Its functions mainly include two aspects: one is to absorb the radiant heat of the high-temperature combustion products in the furnace through the internal flowing water or steam to heat and evaporate the working fluid; the other is to reduce the temperature of the furnace wall by absorbing heat, thereby cooling and protecting the furnace wall. This design not only improves the thermal efficiency of the boiler, but also extends the service life of the boiler.

[0003] The existing authorization number is CN218584687U, which discloses a boiler water-cooled wall tube side wall detection device, which belongs to the field of pipeline detection technology. It includes a device body and a detection probe, a movable bracket, a driving magnetic wheel and a rotating motor arranged on the device body; the device body is a hollow structure with one side open, the driving magnetic wheel and the rotating motor are arranged in the device body, and the driving magnetic wheel is partially exposed from the opening of the device body; the driving magnetic wheel is connected to a driving mechanism; the movable bracket is arranged at the upper end of the device body, and is connected to the rotating motor through a transmission shaft; the detection probe is arranged on the movable bracket. The structure of the present invention is compact, and can complete the detection work in the limited space of the water-cooled wall, and the degree of automation does not require excessive manual intervention, so that convenient and efficient detection of the side wall of the water-cooled wall tube is realized, and detection blind spots are avoided, and operation hazards are reduced. However, the above-mentioned boiler water-cooled wall tube side wall detection device is designed as a self-driven walking detection robot type detection device, which only fits tightly with the outer wall of the pipeline to be tested by driving the magnetic wheel. This bonding method has poor stability and it is difficult to ensure that the entire device will not fall off the pipeline when testing the vertically installed pipeline to be tested, thereby causing property loss. Therefore, it is necessary to provide a side wall quality detection device for boiler water-cooled wall tubes to solve the above-mentioned problems. Summary of the invention

[0004] The technical content of the present invention is to provide a side wall quality detection device for boiler water-cooled wall tubes.

[0005] In order to solve the above problems, the present invention provides a side wall quality detection device for boiler water-cooled wall tubes, comprising a bottom plate, a universal wheel is installed at the bottom of the bottom plate, a mounting plate is installed at the top of the bottom plate, an L plate is installed on the right side of the mounting plate, a support plate is installed on the L plate, two groups of first slide groove plates are installed on the left side of the mounting plate, a first fixed plate is installed at the top of the first slide groove plate, a second fixed plate is installed at the bottom of the first slide groove plate, a screw rod is installed at the top of the second fixed plate, a motor is connected to the top of the screw rod, a wire sleeve is installed on the screw rod, first sliders are installed on both sides of the wire sleeve, a connecting rod is installed on the side of the wire sleeve, a first fixed seat is installed on the other end of the connecting rod through the connecting plate, a second fixed seat is installed on the side of the first fixed seat through a rotating shaft, a group of assembly plates are installed on the sides of the first fixed seat and the second fixed seat, second slide groove plates are installed on the inner sides of the first fixed seat and the second fixed seat through springs, a second slider is installed in the slide groove opened on the side of the second slide groove plate, and the second slider is installed on the side of the detection plate.

[0006] As a further solution of the present invention, four sets of universal wheels are symmetrically installed at the bottom of the base plate, the bottom of the mounting plate and the top of the base plate are fixedly connected, the bottom of the L-plate and the top of the base plate are fixedly connected by fixing bolts, and the side of the L-plate and the side of the mounting plate are fixedly connected by fixing bolts, so that the L-plate is installed between the base plate and the mounting plate.

[0007] As a further solution of the present invention, two groups of support plates are symmetrically installed on the L-plate, and the strength of the L-plate itself can be increased by the two groups of support plates.

[0008] As a further solution of the present invention, two groups of first slide groove plates are symmetrically installed on the left side of the mounting plate, and the first fixed plate and the second fixed plate are fixedly installed on the top and bottom of the two groups of first slide groove plates respectively. At the same time, the right side of the bottom of the first fixed plate and the top of the mounting plate are also fixedly connected, and the right side of the second fixed plate and the left side of the mounting plate are fixedly connected, so that the two groups of first slide groove plates and the first fixed plate and the second fixed plate are installed on the left side of the mounting plate.

[0009] As a further solution of the present invention, the motor is installed on the top of the first fixed plate through a fixing bolt, the top of the screw rod passes through a through hole opened at the top of the first fixed plate and is fixedly connected to the bottom of the motor, and the bottom of the screw rod is rotatably connected to the top of the second fixed plate, so that the screw rod can be driven to rotate by the motor.

[0010] As a further solution of the present invention, a slide groove compatible with the first slider is opened on the opposite side of the two groups of the first slide groove plates, and the two groups of first sliders installed on both sides of the silk sleeve are installed in the slide groove opened on the opposite side of the two groups of the first slide groove plates, which can ensure the stability of the silk sleeve.

[0011] As a further solution of the present invention, two groups of connecting rods are symmetrically installed on the left side of the silk sleeve, two groups of connecting plates are symmetrically installed on the right side of the first fixed seat, a mounting groove adapted to the connecting plate is opened on the left side of the connecting rod, two groups of fixing bolts are symmetrically installed on the left side of the connecting rod, the fixing bolts pass through the connecting rod and the connecting plate, the inner sides of the first fixed seat and the second fixed seat are both set to circular groove structures, and a group of assembly plates are installed on the side where the first fixed seat and the second fixed seat contact each other, and the two groups of assembly plates can be fixed together by three groups of symmetrical fixing bolts.

[0012] As a further solution of the present invention, three groups of second slide groove plates are symmetrically installed on the inner sides of the first fixed seat and the second fixed seat, and the second slide groove plates are connected to the inner sides of the first fixed seat and the second fixed seat through three groups of springs, and the six groups of second slide groove plates are in a circular distribution state, and the opposite side of the six groups of second slide groove plates is the inner side of the six groups of second slide groove plates, and a slide groove is opened on the inner side of the second slide groove plate, and the slide groove passes through the top of the second slide groove plate, and the slide groove does not pass through the bottom of the second slide groove plate, and three groups of second sliders are symmetrically installed on the outer side of the detection plate, and the three groups of second sliders correspond to the positions of the three groups of second slide groove plates, the second slider is set to a T-shaped structure, and the slide groove opened on the inner side of the second slide groove plate is set to a structure compatible with it, the two groups of detection plates are combined into a tubular structure, and a γ-ray flaw detection device is set inside the two groups of detection plates, and the motor is a model that can rotate in both directions, so that the silk sleeve can drive the first fixed seat and the second fixed seat to perform lifting and lowering movements.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects:

[0014] First, the present invention records a side wall quality inspection device for boiler water-cooled wall tubes, which records that a first fixing seat is installed on the side of a thread sleeve through two sets of connecting rods, and a second fixing seat is installed on the side of the first fixing seat through a rotating shaft. When the device is installed to the outside of the boiler water-cooled wall tube, the boiler water-cooled wall tube is on the inner side of the first fixing seat and the second fixing seat. At this time, the first fixing seat and the second fixing seat are in a state of being assembled into an integral structure. Therefore, when the boiler water-cooled wall tube is inspected by two sets of inspection plates installed on the inner sides of the first fixing seat and the second fixing seat, good stability is achieved, and compared with the comparative case, the boiler water-cooled wall tube will not be separated from the boiler water-cooled wall tube.

[0015] Second, the present invention records a side wall quality inspection device for boiler water-cooled wall tubes, which records that a motor is installed on the top of the screw rod, and the motor can drive the screw rod to rotate in both directions, so that the screw sleeve can drive the first fixed seat and the second fixed seat to move up and down, so that the vertically installed boiler water-cooled wall tubes can be continuously and fully inspected through two groups of inspection plates installed on the inner sides of the first fixed seat and the second fixed seat, and the boiler water-cooled wall tubes have good stability and continuity when being inspected.

[0016] Third, the present invention records a side wall quality detection device for boiler water-cooled wall tubes, which records that a second slide groove plate is installed on the inner side of a first fixed seat and a second fixed seat through a spring, and a slide groove is opened on the inner side of the second slide groove plate. The slide groove is adapted to a second slider installed on the outer side of the detection plate so that the detection plate can be inserted and installed on the inner side of the first fixed seat and the second fixed seat. The spring enables the second slide groove plate to have a lateral displacement, thereby allowing the two groups of detection plates to have space to move away from each other, i.e., expand, so as to detect boiler water-cooled wall tubes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a top view of a three-dimensional structure schematic diagram of a side wall quality detection device for a boiler water-cooled wall tube according to the present invention;

[0019] Figure 2 It is a bottom-up stereoscopic structural schematic diagram of a side wall quality detection device for boiler water-cooled wall tubes according to the present invention;

[0020] Figure 3 This is a schematic diagram of the first slide plate and the screw rod structure of a side wall quality detection device for a boiler water-cooled wall tube according to the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of a thread sleeve and a connecting rod of a side wall quality detection device for a boiler water-cooled wall tube according to the present invention;

[0022] Figure 5 It is a structural schematic diagram of a first fixing seat and a second fixing seat of a side wall quality detection device for a boiler water-cooled wall tube according to the present invention;

[0023] Figure 6 It is a schematic diagram of the inner structure of a second fixing seat of a side wall quality detection device for a boiler water-cooled wall tube according to the present invention;

[0024] Figure 7 The present invention is a schematic diagram of the side structure of a detection plate of a side wall quality detection device for a boiler water-cooled wall tube.

[0025] Figure numerals: 1. base plate; 2. universal wheel; 3. mounting plate; 4. L-plate; 5. support plate; 6. first slide plate; 7. first fixed plate; 8. second fixed plate; 9. screw rod; 10. motor; 11. screw sleeve; 12. first slider; 13. connecting rod; 14. connecting plate; 15. first fixed seat; 16. second fixed seat; 17. spring; 18. second slide plate; 19. second slider; 20. detection plate. DETAILED DESCRIPTION

[0026] Please refer to Figure 1-7 A side wall quality inspection device for boiler water-cooled wall tubes, comprising a bottom plate 1, a universal wheel 2 is installed at the bottom of the bottom plate 1, a mounting plate 3 is installed at the top of the bottom plate 1, an L plate 4 is installed on the right side of the mounting plate 3, a support plate 5 is installed on the L plate 4, two groups of first slide slot plates 6 are installed on the left side of the mounting plate 3, a first fixing plate 7 is installed on the top of the first slide slot plate 6, a second fixing plate 8 is installed at the bottom of the first slide slot plate 6, a screw rod 9 is installed on the top of the second fixing plate 8, a motor 10 is connected to the top of the screw rod 9, a thread sleeve 11 is installed on the screw rod 9, and both sides of the thread sleeve 11 A first slider 12 is installed, a connecting rod 13 is installed on the side of the silk sleeve 11, a first fixed seat 15 is installed on the other end of the connecting rod 13 through a connecting plate 14, a second fixed seat 16 is installed on the side of the first fixed seat 15 through a rotating shaft, a group of assembly plates are installed on the sides of the first fixed seat 15 and the second fixed seat 16, second slide plates 18 are installed on the inner sides of the first fixed seat 15 and the second fixed seat 16 through a spring 17, a second slider 19 is installed in the slide groove opened on the side of the second slide plate 18, and the second slider 19 is installed on the side of the detection plate 20.

[0027] Preferably, four sets of universal wheels 2 are symmetrically installed at the bottom of the bottom plate 1, so that the device as a whole has the ability to move, so as to push the device to the vicinity of the boiler water-cooled wall tube that needs to be inspected, the bottom of the mounting plate 3 is fixedly connected to the top of the bottom plate 1, the bottom of the L plate 4 is fixedly connected to the top of the bottom plate 1 by a fixing bolt, and the side of the L plate 4 is fixedly connected to the side of the mounting plate 3 by a fixing bolt, so that the L plate 4 is installed between the bottom plate 1 and the mounting plate 3;

[0028] Preferably, two groups of support plates 5 are symmetrically mounted on the L-plate 4, and the two groups of support plates 5 can increase the strength of the L-plate 4, and the L-plate 4 can increase the connection stability between the bottom plate 1 and the mounting plate 3;

[0029] Preferably, two groups of first slide slot plates 6 are symmetrically installed on the left side of the mounting plate 3, and the first fixed plate 7 and the second fixed plate 8 are fixedly installed on the top and bottom of the two groups of first slide slot plates 6 respectively, and the right side of the bottom of the first fixed plate 7 and the top of the mounting plate 3 are also fixedly connected, and the right side of the second fixed plate 8 and the left side of the mounting plate 3 are fixedly connected, so that the two groups of first slide slot plates 6 and the first fixed plate 7 and the second fixed plate 8 are installed on the left side of the mounting plate 3;

[0030] Preferably, the motor 10 is mounted on the top of the first fixing plate 7 through a fixing bolt, the top of the screw rod 9 passes through a through hole opened on the top of the first fixing plate 7 and is fixedly connected to the bottom of the motor 10, and the bottom of the screw rod 9 is rotatably connected to the top of the second fixing plate 8, and then the screw rod 9 can be driven to rotate by the motor 10, thereby driving the wire sleeve 11 installed on the screw rod 9 to move along the screw rod 9;

[0031] Preferably, a slide groove adapted to the first slider 12 is provided on one side opposite to the two groups of first slide groove plates 6, and the two groups of first sliders 12 installed on both sides of the silk sleeve 11 are installed in the slide grooves opened on one side opposite to the two groups of first slide groove plates 6. When the silk sleeve 11 moves along the screw rod 9, the first slider 12 moves along the slide groove opened on the side of the first slide groove plate 6, which can ensure the stability of the silk sleeve 11 and prevent the silk sleeve 11 from shaking.

[0032] Preferably, two groups of connecting rods 13 are symmetrically installed on the left side of the silk sleeve 11, and two groups of connecting plates 14 are symmetrically installed on the right side of the first fixing seat 15. A mounting groove adapted to the connecting plate 14 is opened on the left side of the connecting rod 13, so that the connecting plate 14 can be installed in the mounting groove opened on the left side of the connecting rod 13, thereby assembling the first fixing seat 15 and the connecting rod 13 together, and two groups of fixing bolts are symmetrically installed on the left side of the connecting rod 13, and the fixing bolts pass through the connecting rod 13 and the connecting plate 14, and then the two are fixedly assembled together, thereby fixing the first fixing seat 15 to the left side of the silk sleeve 11, and the inner sides of the first fixing seat 15 and the second fixing seat 16 are both set to a circular groove structure, and the second fixing seat 16 can be around the first fixing seat 15. The rotating shaft between the fixing seat 15 and the second fixing seat 16 is rotated to open and close the first fixing seat 15 and the second fixing seat 16, so that the first fixing seat 15 and the second fixing seat 16 can be installed on the outside of the boiler water-cooled wall tube to be tested. A set of assembly plates are installed on the side where the first fixing seat 15 and the second fixing seat 16 contact each other. When the second fixing seat 16 is rotated to form a rectangular structure with the first fixing seat 15, the two sets of assembly plates are in contact, and then the two sets of assembly plates can be fixedly assembled together by three sets of symmetrical fixing bolts, so that the first fixing seat 15 and the second fixing seat 16 are fixedly assembled together, so that the first fixing seat 15 and the second fixing seat 16 are enclosed on the outside of the boiler water-cooled wall tube;

[0033] Preferably, three groups of second slide slot plates 18 are symmetrically installed on the inner sides of the first fixed seat 15 and the second fixed seat 16, and the second slide slot plates 18 are connected to the inner sides of the first fixed seat 15 and the second fixed seat 16 through three groups of springs 17. The six groups of second slide slot plates 18 are in a circular distribution state, and the opposite side of the six groups of second slide slot plates 18 is the inner side of the six groups of second slide slot plates 18. A slide slot is opened on the inner side of the second slide slot plate 18, and the slide slot passes through the top of the second slide slot plate 18, and the slide slot does not pass through the bottom of the second slide slot plate 18. Three groups of second sliders 19 are symmetrically installed on the outer side of the detection plate 20, and the positions of the three groups of second sliders 19 and the three groups of second slide slot plates 18 are Correspondingly, the second slider 19 is set to a T-shaped structure, and the slide groove opened on the inner side of the second slide groove plate 18 is set to a structure compatible therewith, so that the second slider 19 will not be laterally separated from the second slide groove plate 18, and then the detection plate 20 can be installed to the inner side of the first fixed seat 15 and the second fixed seat 16 by inserting the second slider 19 into the slide groove opened on the side of the second slide groove plate 18 from top to bottom. At this time, the detection plate 20 will not be laterally separated from the first fixed seat 15 and the second fixed seat 16, and there is friction between the second slider 19 and the slide groove opened on the side of the second slide groove plate 18. When the detection plate 20 moves along the boiler water-cooled wall When the tube moves downward, the detection plate 20 will not move upward relative to the first fixing seat 15 and the second fixing seat 16 due to the friction between the boiler water-cooled wall tube, thereby ensuring the stability of the detection plate 20. When the first fixing seat 15 and the second fixing seat 16 are assembled together, the two groups of detection plates 20 are combined into a tubular structure. When the boiler water-cooled wall tube is inspected, it is necessary to ensure that the boiler water-cooled wall tube is on the inner side of the two groups of detection plates 20. The two groups of detection plates 20 are provided with a gamma-ray flaw detection device inside, which can detect the internal structure of the boiler water-cooled wall tube and promptly discover cracks on the boiler water-cooled wall tube, thereby facilitating Maintenance is carried out in time, and at the same time, the second slide plate 18 is given a lateral displacement through the spring 17, so that the two groups of detection plates 20 have space to move away from each other, that is, to expand, so as to detect boiler water-cooled wall tubes of different diameters. Regarding the gamma-ray flaw detection device installed in the detection plate 20, this is a prior art, and the relevant technology is very mature, so no excessive interpretation is made here. The motor 10 is a bidirectionally rotatable model. The motor 10 drives the screw rod 9 to rotate, and the screw sleeve 11 can drive the first fixed seat 15 and the second fixed seat 16 to perform lifting and lowering movements, thereby continuously and fully detecting the vertically installed boiler water-cooled wall tubes.

[0034] The standard parts used in this embodiment can be purchased directly from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to technical personnel in this field, their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments or applied directly or indirectly without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A side wall quality inspection device for boiler water-cooled wall tubes, comprising a bottom plate (1), a universal wheel (2) being mounted at the bottom of the bottom plate (1), and a mounting plate (3) being mounted at the top of the bottom plate (1), characterized in that: An L plate (4) is installed on the right side of the mounting plate (3), a support plate (5) is installed on the L plate (4), two groups of first slide slot plates (6) are installed on the left side of the mounting plate (3), a first fixed plate (7) is installed on the top of the first slide slot plate (6), a second fixed plate (8) is installed on the bottom of the first slide slot plate (6), a screw rod (9) is installed on the top of the second fixed plate (8), a motor (10) is connected to the top of the screw rod (9), a wire sleeve (11) is installed on the screw rod (9), first sliders (12) are installed on both sides of the wire sleeve (11), and a screw rod (11) is installed on the side of the wire sleeve (11). A connecting rod (13), the other end of which is provided with a first fixing seat (15) via a connecting plate (14), a second fixing seat (16) being provided on the side of the first fixing seat (15) via a rotating shaft, a group of assembly plates being provided on the sides of the first fixing seat (15) and the second fixing seat (16), a second slide plate (18) being provided on the inner sides of the first fixing seat (15) and the second fixing seat (16) via a spring (17), a second slider (19) being provided in a slide groove provided on the side of the second slide plate (18), and the second slider (19) being provided on the side of the detection plate (20).

2. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: Four sets of universal wheels (2) are symmetrically mounted at the bottom of the base plate (1); the bottom of the mounting plate (3) is fixedly connected to the top of the base plate (1); the bottom of the L-plate (4) is fixedly connected to the top of the base plate (1) via a fixing bolt; and the side of the L-plate (4) is fixedly connected to the side of the mounting plate (3) via a fixing bolt.

3. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: Two groups of support plates (5) are symmetrically mounted on the L-plate (4).

4. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: Two groups of first slide groove plates (6) are symmetrically installed on the left side of the mounting plate (3); the first fixed plate (7) and the second fixed plate (8) are fixedly installed on the top and bottom of the two groups of first slide groove plates (6), respectively; at the same time, the right side of the bottom of the first fixed plate (7) and the top of the mounting plate (3) are also fixedly connected; the right side of the second fixed plate (8) and the left side of the mounting plate (3) are fixedly connected.

5. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: The motor (10) is mounted on the top of the first fixing plate (7) via a fixing bolt, the top of the screw rod (9) passes through a through hole opened at the top of the first fixing plate (7) and is fixedly connected to the bottom of the motor (10), and the bottom of the screw rod (9) is rotatably connected to the top of the second fixing plate (8).

6. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: A slide groove matched with the first slider (12) is provided on one side opposite to the two groups of the first slide groove plates (6), and the two groups of first sliders (12) installed on both sides of the silk sleeve (11) are installed in the slide grooves provided on one side opposite to the two groups of the first slide groove plates (6).

7. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: Two groups of connecting rods (13) are symmetrically installed on the left side of the thread sleeve (11), and two groups of connecting plates (14) are symmetrically installed on the right side of the first fixing seat (15). A mounting groove adapted to the connecting plate (14) is provided on the left side of the connecting rod (13), and two groups of fixing bolts are symmetrically installed on the left side of the connecting rod (13), and the fixing bolts pass through the connecting rod (13) and the connecting plate (14). The inner sides of the first fixing seat (15) and the second fixing seat (16) are both arranged as circular groove structures, and a group of assembly plates are installed on the side where the first fixing seat (15) and the second fixing seat (16) contact each other.

8. The side wall quality detection device for boiler water-cooled wall tubes according to claim 1 is characterized in that: Three groups of second slide slot plates (18) are symmetrically installed on the inner sides of the first fixed seat (15) and the second fixed seat (16). The second slide slot plates (18) are connected to the inner sides of the first fixed seat (15) and the second fixed seat (16) through three groups of springs (17). The six groups of second slide slot plates (18) are in a circular distribution state. The opposite side of the six groups of second slide slot plates (18) is the inner side of the six groups of second slide slot plates (18). The inner side of the second slide slot plates (18) is provided with a slide slot, which runs through the top of the second slide slot plates (18). The bottom of the second slide plate (18) does not pass through, and three groups of second sliders (19) are symmetrically installed on the outer side of the detection plate (20). The positions of the three groups of second sliders (19) correspond to the positions of the three groups of second slide plates (18). The second slider (19) is set as a T-shaped structure, and the slide groove opened on the inner side of the second slide plate (18) is set as a structure compatible with it. The two groups of detection plates (20) are combined into a tubular structure, and a gamma-ray flaw detection device is arranged inside the two groups of detection plates (20). The motor (10) is a model that can rotate in both directions.

Images