Nodular cast iron pipe on-line automatic pipe wall thickness measuring device

Abstract

The utility model discloses a nodular cast iron pipe on-line automatic pipe wall thickness measuring device which comprises a base, a fixing plate is fixedly installed on the upper top face of the right side of the base, a rotating disc is rotatably connected in the fixing plate, and a transmission motor is fixedly installed on the upper portion of the left side of the rotating disc in an embedded mode. According to the online automatic pipe wall thickness measuring device for the nodular cast iron pipe, a user can conveniently start a driving motor to rotate to drive a driving gear to rotate and drive a rack to move rightwards, so that a supporting plate is driven to move rightwards, the supporting plate is stabilized through sliding connection of a second sliding block and a sliding groove, the left end of a measuring clamping plate enters the body, and the thickness of the pipe wall is measured. The transmission motor is started to rotate to drive the bidirectional screw rod to rotate, the bidirectional screw rod is engaged with the two first sliding blocks to drive the two first sliding blocks to move oppositely, and the two measuring clamping plates are driven to measure the body, so that the thickness of the body is detected conveniently, the thickness detection of the body is more stable, and data are more accurate; and the daily requirements of users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe wall thickness measuring devices, in particular to an online automatic pipe wall thickness measuring device for ductile iron pipes. Background Technique

[0002] Ductile iron pipes are pipe fittings that use magnesium or rare earth magnesium combined spheroidizing agents added to molten iron before pouring to spheroidize graphite, reduce stress concentration, and make the pipes have advantages such as high strength, high elongation, impact resistance, corrosion resistance, and good sealing performance. Before leaving the factory, it is necessary to ensure that the pipe wall thickness is uniform, so thickness detection is required. An online automatic pipe wall thickness measuring device for ductile iron pipes is a device used to monitor and measure the wall thickness of ductile iron pipes in real time, aiming to improve the production efficiency of the pipeline production line, ensure product quality, and achieve automated production control. However, there are still certain defects in an existing online automatic pipe wall thickness measuring device for ductile iron pipes; for example:

[0003] The "Online Wall Thickness Detection Device for Ductile Iron Pipes" with the application number CN201220725337.5 includes a track frame, a traveling trolley, an ultrasonic flaw detector, a water collecting tank, a rotating machine, a retaining wheel, and an industrial control computer; among them, the track frame, the rotating machine, and the retaining wheel are all fixed on the ground, the water collecting tank is installed on the periphery of the track frame, the rotating machine, and the retaining wheel, and the traveling trolley is arranged on the track frame. This online wall thickness detection device for ductile iron pipes has a single equipment structure, inflexible operation, inability to rotate the main body to measure roundness, inability to ensure the quality of the products leaving the factory, inability to stably measure the thickness of the main body, unstable transportation of the main body, inability to fix the main body, and inaccurate measurement data. Content of the Utility Model

[0004] The purpose of the utility model is to provide an online automatic pipe wall thickness measuring device for ductile iron pipes to solve the problems of single equipment structure, inflexible operation, inability to rotate the main body to measure roundness, inability to ensure the quality of the products leaving the factory, inability to stably measure the thickness of the main body, unstable transportation of the main body, inability to fix the main body, and inaccurate measurement data mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An online automatic pipe wall thickness measuring device for ductile iron pipes includes a base. A fixing plate is fixedly installed on the upper right surface of the base. A turntable is rotatably connected inside the fixing plate. A driving motor is fixedly installed by inlaying on the upper left part of the turntable. A bidirectional lead screw is fixedly installed on the lower bottom surface of the driving motor. The upper end of the bidirectional lead screw is threadedly connected with a first slider. The first slider is slidably connected with the turntable, and a measuring clamp is fixedly installed at the left end of the first slider. The first slider and the measuring clamp are symmetrically arranged about the center of the turntable.

[0006] As a preferred technical solution of the present utility model, a driving motor is fixedly installed at the center of the inner bottom surface of the left part of the base. An active gear is fixedly installed in the middle section of the driving motor. A rack is engaged with the upper end of the active gear. Sliding grooves are evenly formed in the front and rear wall surfaces on the left side of the base. A second slider is slidably connected inside the sliding grooves.

[0007] As a preferred technical solution of the present utility model, the lower bottom surface of the second slider is fixedly installed with the upper top surface of the rack. A support plate is fixedly installed on the upper top surface of the second slider. A housing is inlaid and rotatably connected inside the upper end of the support plate. A small bevel gear is rotatably connected to the inner top surface on the left side of the housing. A large bevel gear is engaged with the right part of the small bevel gear.

[0008] As a preferred technical solution of the present utility model, an Archimedes spiral groove is formed in the right wall surface of the large bevel gear. A rotating rod is slidably connected through the upper top surface on the left side of the housing, and the rotating rod is key-connected to the small bevel gear. Three clamping blocks are evenly arranged in a matrix on the right wall surface of the housing. The left end of the clamping block is engaged with the Archimedes spiral groove.

[0009] As a preferred technical solution of the present utility model, a driving motor is fixedly installed at the upper end of the left wall surface of the support plate. The right end of the driving motor is fixedly installed with the left end of the housing. A connecting plate is fixedly installed at the rear of the upper top surface of the left part of the base. A frame is fixedly installed on the inner bottom surface of the left side of the connecting plate. A sliding rod is slidably connected inside the frame.

[0010] As a preferred technical solution of the present utility model, a spring is fixedly installed on the inner bottom surface of the frame. The other end of the spring is fixedly installed on the lower bottom surface of the sliding rod. The upper end of the sliding rod is rotatably connected with a runner on the right wall surface. The frame, the spring and the sliding rod are symmetrically arranged about the center of the connecting plate. A roundness detector is fixedly installed on the inner top surface of the connecting plate. The connecting plate, the frame, the spring, the sliding rod, the runner and the roundness detector are symmetrically arranged about the center of the base.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. This on-line automatic pipe wall thickness measuring device for ductile iron pipes facilitates the user to start the driving motor to rotate and drive the active gear to rotate. By the engagement of the active gear and the rack, the rack is driven to move rightward, thereby driving the support plate to move rightward. The support plate is stabilized by the sliding connection between the second slider and the sliding groove, so that the left end of the measuring clamping plate enters the interior of the body. By starting the driving motor to rotate and drive the bidirectional lead screw to rotate, the two first sliders are driven to move towards each other by the engagement of the bidirectional lead screw and the two first sliders, driving the two measuring clamping plates to measure the body, facilitating the detection of the thickness of the body, making the thickness detection of the body more stable and the data more accurate, meeting the daily needs of the user.

[0013] 2. This online automatic wall thickness measuring device for ductile iron pipes facilitates the user to place the body between three clamping blocks. Subsequently, insert the rotating rod into the upper top surface of the left part of the housing, rotate the rotating rod to drive the small bevel gear to rotate, drive the large bevel gear to rotate through the meshing of the small bevel gear and the large bevel gear, drive the three clamping blocks to move inward to clamp the body through the meshing of the three clamping blocks and the Archimedes spiral groove, drive the housing to rotate by starting the driving motor to rotate, thereby driving the body to rotate. Through the rotation of the body, the turntable rotates inside the fixed plate. Detect the roundness of the body through the roundness detector, and stabilize it through two rotating wheels. Buffer the rotating wheels through the sliding rod and the spring, which is convenient for clamping the body more stably, enabling the body to rotate during clamping and facilitating the detection of the roundness of the body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic main sectional structure view of the present utility model;

[0015] Figure 2 It is a schematic main structure view of the connecting plate of the present utility model;

[0016] Figure 3 It is a schematic main sectional structure view of the housing of the present utility model;

[0017] Figure 4 It is a schematic main sectional structure view of the fixed plate of the present utility model;

[0018] Figure 5 For the present utility model Figure 3 The enlarged structure view at A in it.

[0019] In the figure: 1. Base; 2. Fixed plate; 3. Turntable; 4. Driving motor; 5. Bidirectional lead screw; 6. First slider; 7. Measuring clamping plate; 8. Driving motor; 9. Driving gear; 10. Rack; 11. Chute; 12. Second slider; 13. Support plate; 14. Housing; 15. Rotating rod; 16. Small bevel gear; 17. Large bevel gear; 18. Archimedes spiral groove; 19. Clamping block; 20. Driving motor; 21. Connecting plate; 22. Frame; 23. Spring; 24. Sliding rod; 25. Rotating wheel; 26. Roundness detector. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer toFigures 1-5 , the utility model provides a technical solution: an on-line automatic pipe wall thickness measuring device for ductile iron pipes, which includes a base 1. On the upper right surface of the base 1, a fixed plate 2 is fixedly installed. Inside the fixed plate 2, a turntable 3 is rotatably connected. On the upper left part of the turntable 3, a driving motor 4 is fixedly installed by inlay. On the lower bottom surface of the driving motor 4, a bidirectional lead screw 5 is fixedly installed. At the upper end of the bidirectional lead screw 5, a first slider 6 is threadedly connected. The first slider 6 is slidably connected to the turntable 3, and at the left end of the first slider 6, a measuring clamping plate 7 is fixedly installed. Moreover, the first slider 6 and the measuring clamping plate 7 are symmetrically arranged about the center of the turntable 3.

[0022] At the center of the inner bottom surface of the left part of the base 1, a driving motor 8 is fixedly installed. In the middle section of the driving motor 8, a driving gear 9 is fixedly installed. Above the driving gear 9, a rack 10 is engaged. On the front and rear wall surfaces of the left side of the base 1, chutes 11 are evenly opened. Inside the chutes 11, a second slider 12 is slidably connected.

[0023] The lower bottom surface of the second slider 12 is fixedly installed on the upper top surface of the rack 10. On the upper top surface of the second slider 12, a support plate 13 is fixedly installed. Inside the upper end of the support plate 13, a housing 14 is rotatably connected by inlay. On the inner top surface of the left side of the housing 14, a small bevel gear 16 is rotatably connected. On the right part of the small bevel gear 16, a large bevel gear 17 is engaged.

[0024] On the right wall surface of the large bevel gear 17, an Archimedes spiral groove 18 is opened. Through the left upper top surface of the housing 14, a rotating rod 15 is slidably connected, and the rotating rod 15 is key-connected to the small bevel gear 16. On the right wall surface of the housing 14, three clamping blocks 19 are evenly arranged in a matrix. The left end of the clamping block 19 is engaged with the Archimedes spiral groove 18.

[0025] On the upper end of the left wall surface of the support plate 13, a driving motor 20 is fixedly installed. The right end of the driving motor 20 is fixedly installed on the left end of the housing 14. At the rear of the upper top surface of the left part of the base 1, a connecting plate 21 is fixedly installed. On the inner bottom surface of the left side of the connecting plate 21, a frame 22 is fixedly installed. Inside the frame 22, a sliding rod 24 is slidably connected.

[0026] On the inner bottom surface of the frame 22, a spring 23 is fixedly installed. The other end of the spring 23 is fixedly installed on the lower bottom surface of the sliding rod 24. On the upper right wall surface of the sliding rod 24, a runner 25 is rotatably connected. Moreover, the frame 22, the spring 23 and the sliding rod 24 are symmetrically arranged about the center of the connecting plate 21. On the inner top surface of the connecting plate 21, a roundness detector 26 is fixedly installed. The connecting plate 21, the frame 22, the spring 23, the sliding rod 24, the runner 25 and the roundness detector 26 are symmetrically arranged about the center of the base 1.

[0027] Working principle: First, the user places the body between the three clamping blocks 19. Then, the rotating rod 15 is inserted into the upper top surface of the left part of the housing 14. Rotating the rotating rod 15 drives the small bevel gear 16 to rotate. Through the meshing of the small bevel gear 16 and the large bevel gear 17, the large bevel gear 17 is driven to rotate. Through the meshing of the three clamping blocks 19 and the Archimedes spiral groove 18, the three clamping blocks 19 move inward to clamp the body. After the clamping is completed, the rotating rod 15 is removed. At the same time, the driving motor 8 is started to rotate, driving the driving gear 9 to rotate. Through the meshing of the driving gear 9 and the rack 10, the rack 10 is driven to move to the right, thereby driving the support plate 13 to move to the right. The support plate 13 is stabilized by the sliding connection of the second slider 12 and the chute 11, so that the left end of the measuring clamping plate 7 enters the body. By starting the transmission motor 4 to rotate, the bidirectional lead screw 5 is driven to rotate. Through the meshing of the bidirectional lead screw 5 and the two first sliders 6, the two first sliders 6 move towards each other, driving the two measuring clamping plates 7 to measure the body. By starting the driving motor 20 to rotate, the housing 14 is driven to rotate, thereby driving the body to rotate. Through the rotation of the body, the turntable 3 rotates inside the fixing plate 2. The roundness of the body is detected by the roundness detector 26 and stabilized by the two runners 25. The runners 25 are buffered by the slide rod 24 and the spring 23. After the detection is completed, the driving motor 20 is stopped from rotating.

[0028] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An on-line automatic wall thickness measuring device for ductile iron pipes, comprising a base (1), characterized in that: On the upper right surface of the base (1), a fixed plate (2) is fixedly installed. Inside the fixed plate (2), a turntable (3) is rotatably connected. On the upper left part of the turntable (3), a driving motor (4) is fixedly installed by inlay. On the lower bottom surface of the driving motor (4), a bidirectional lead screw (5) is fixedly installed. The upper end of the bidirectional lead screw (5) is threadedly connected with a first slider (6). The first slider (6) is slidably connected to the turntable (3), and a measuring clamp (7) is fixedly installed at the left end of the first slider (6). The first slider (6) and the measuring clamp (7) are symmetrically arranged about the center of the turntable (3).

2. The on-line automatic pipe wall thickness measuring device for ductile iron pipes according to claim 1, characterized in that, At the center of the inner bottom surface of the left part of the base (1), a driving motor (8) is fixedly installed. In the middle section of the driving motor (8), a driving gear (9) is fixedly installed. The upper end of the driving gear (9) meshes with a rack (10). On the front and rear wall surfaces of the left side of the base (1), sliding grooves (11) are evenly opened. Inside the sliding grooves (11), a second slider (12) is slidably connected.

3. An on-line automatic pipe wall thickness measuring device for ductile iron pipes according to claim 2, characterized in that, The lower bottom surface of the second slider (12) is fixedly installed with the upper top surface of the rack (10). On the upper top surface of the second slider (12), a support plate (13) is fixedly installed. Inside the upper end of the support plate (13), a housing (14) is rotatably connected by inlay. On the inner top surface of the left side of the housing (14), a small bevel gear (16) is rotatably connected. On the right part of the small bevel gear (16), a large bevel gear (17) is meshed.

4. An on-line automatic wall thickness measuring device for ductile iron pipes according to claim 3, characterized in that, On the right wall surface of the large bevel gear (17), an Archimedean spiral groove (18) is opened. A rotating rod (15) penetrates and is slidably connected to the upper top surface of the left side of the housing (14), and the rotating rod (15) is key-connected to the small bevel gear (16). On the right wall surface of the housing (14), three clamping blocks (19) are evenly arranged in a matrix. The left end of the clamping block (19) meshes with the Archimedean spiral groove (18).

5. An on-line automatic wall thickness measuring device for ductile iron pipes according to claim 4, characterized in that, On the upper left end of the left wall surface of the support plate (13), a driving motor (20) is fixedly installed. The right end of the driving motor (20) is fixedly installed with the left end of the housing (14). At the rear of the upper top surface of the left part of the base (1), a connecting plate (21) is fixedly installed. On the inner bottom surface of the left side of the connecting plate (21), a frame (22) is fixedly installed. Inside the frame (22), a sliding rod (24) is slidably connected.

6. The on-line automatic wall thickness measuring device for ductile iron pipes according to claim 5, characterized in that On the inner bottom surface of the frame (22), a spring (23) is fixedly installed. The other end of the spring (23) is fixedly installed on the lower bottom surface of the sliding rod (24). On the upper right wall surface of the sliding rod (24), a rotating wheel (25) is rotatably connected. The frame (22), the spring (23) and the sliding rod (24) are symmetrically arranged about the center of the connecting plate (21). On the inner top surface of the connecting plate (21), a roundness detector (26) is fixedly installed. The connecting plate (21), the frame (22), the spring (23), the sliding rod (24), the rotating wheel (25) and the roundness detector (26) are symmetrically arranged about the center of the base (1).

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