Vulcanizing device for production of large-diameter anti-corrosion pipe

Abstract

The invention relates to the field of processing of anti-corrosion pipes, in particular to a vulcanizing device for production of a large-diameter anti-corrosion pipe, the vulcanizing device for production of the large-diameter anti-corrosion pipe comprises a spraying device, a splicing pipe, a conveying pipe and a moving pipe, the splicing pipe and a pipe body of the anti-corrosion pipe are arranged in an equal-diameter mode, and the splicing pipe is fixedly connected with one end of the pipe body; the spraying device is arranged in the splicing pipe, the spraying device is in sliding connection with the splicing pipe and the pipe body, the conveying pipe is fixedly connected and communicated with the spraying device, the conveying pipe is used for conveying high-pressure vulcanization preservative liquid into the spraying device, the conveying pipe is sleeved with the moving pipe, and the moving pipe is fixedly connected with the spraying device; and the movable pipe and the conveying pipe are arranged in the splicing pipe and are in sliding connection with the splicing pipe, a driving device is arranged in the splicing pipe and is used for driving the movable pipe to drive the spraying device to slide in the pipe body, and the effect of improving the vulcanization production efficiency of the anti-corrosion pipe is achieved.

Description

Technical Field

[0001] The present application relates to the field of processing of anti-corrosion pipes, and in particular to a vulcanizing device for producing large-diameter anti-corrosion pipes. Background Art

[0002] At present, anti-corrosion pipes are mainly used in pipe engineering fields such as petroleum, chemical industry, natural gas, heat, sewage treatment, water source, bridge, steel structure, etc. Anti-corrosion pipes, also known as anti-corrosion steel pipes, are steel pipes that have been processed by anti-corrosion technology to effectively prevent or slow down the corrosion caused by chemical or electrochemical reactions during transportation and use.

[0003] During the processing of the existing large-diameter anti-corrosion pipes, it is necessary to use a vulcanization anti-corrosion equipment to vulcanize and anti-corrosion the inner pipe wall, and to apply the vulcanization anti-corrosion liquid to the inner pipe wall of the large-diameter anti-corrosion pipe.

[0004] The above-mentioned existing technical solutions have the following defects: the existing vulcanization anti-corrosion liquid is mostly sprayed manually, and the manual spraying is manual and the spraying speed is slow, resulting in low vulcanization production efficiency of the anti-corrosion pipe. Summary of the invention

[0005] In order to improve the efficiency of anti-corrosion pipe vulcanization production, the present application provides a vulcanization device for producing large-diameter anti-corrosion pipes.

[0006] The above technical objectives of this application are achieved through the following technical solutions: A vulcanizing device for producing large-diameter anti-corrosion pipes comprises a spraying device, a splicing pipe, a feeding pipe and a moving pipe. The splicing pipe and the anti-corrosion pipe are arranged with the same diameter as the pipe body, the splicing pipe is fixedly connected to one end of the pipe body, the spraying device is arranged in the splicing pipe, the spraying device is slidably connected to the splicing pipe and the pipe body, the feeding pipe is fixedly connected and communicated with the spraying device, the feeding pipe is used to transport high-pressure vulcanization anti-corrosion liquid into the spraying device, the moving pipe sleeve is arranged on the outside of the feeding pipe, the moving pipe is fixedly connected to the spraying device, the moving pipe and the feeding pipe are both arranged in the splicing pipe, the moving pipe and the feeding pipe are slidably connected to the splicing pipe, a driving device is arranged in the splicing pipe, the driving device is used to drive the moving pipe to drive the spraying device to slide in the pipe body.

[0007] Furthermore, the spray device includes a spray head and a mounting tube, the spray head is fixedly connected and communicated with the mounting tube, one end of the mounting tube away from the spray head is fixedly connected to both the feed pipe and the moving tube, a support frame is provided on the outside of the mounting tube, the support frame abuts against the inner wall of the tube body, and the support frame is used to center the spray device in the tube body.

[0008] Furthermore, the support frame includes a fixed ring, a sliding ring, a pushing ring and a support rod. The fixed ring, the sliding ring and the pushing ring are all sleeved on the outside of the mounting tube. The fixed ring is arranged close to the spray head. The fixed ring is fixedly connected to the mounting tube. The sliding ring is slidably connected to the mounting tube. The pushing ring is rotatably connected to the sliding ring. The pushing ring is threadedly connected to the mounting tube. A number of support rods are provided. The number of support rods are divided into two groups. The two groups of support rods are respectively hinged to the fixed ring and the sliding ring. The two groups of support rods are cross-arranged. A rotating shaft is provided at the intersection of the support rods for the rotational connection of the two support rods. The end of the support rod away from the mounting tube abuts against the inner wall of the tube body.

[0009] Furthermore, one end of the installation tube away from the spray head is fixedly connected with a plug-in tube, the plug-in tube is communicated with the interior of the installation tube, and the plug-in tube is plug-fitted with the feed pipe.

[0010] Furthermore, the spray head includes a spray plate and a nozzle. The spray plate is fixedly connected to the mounting tube. A central cavity and a fluid channel are provided in the spray plate. The central cavity is connected to the mounting tube. Several fluid channels are provided. The several fluid channels are distributed circumferentially around the central cavity. Each fluid channel is connected to the central cavity. One end of each fluid channel away from the central cavity passes through the circumferential side wall of the spray plate. A nozzle is provided at each fluid channel. The fluid channel is connected to the nozzle. Each nozzle is fixedly connected to the spray plate.

[0011] Furthermore, a supporting device is provided in the splicing tube, and the supporting device is used to support the moving tube to be centered in the splicing tube; The supporting device includes a supporting ring, an upper connecting rod and a lower connecting rod. The supporting ring is sleeved on the outside of the movable tube. The supporting ring, the movable tube and the splicing tube are coaxially arranged. The supporting rings at both ends of the upper connecting rod are fixedly connected to the splicing tube. Two lower connecting rods are arranged. The two lower connecting rods are fixedly connected to the supporting ring and the splicing tube. The driving device is arranged between the two lower connecting rods.

[0012] Furthermore, the driving device includes a driving member, a driving gear and a rack. The driving member is fixedly connected to the lower connecting rod, the driving gear is arranged between the two lower connecting rods, the driving gear is rotationally connected to the two lower connecting rods, the driving member is fixedly connected to the driving gear, the rack is fixedly connected to the moving tube, and the driving gear is meshed with the rack.

[0013] Furthermore, the driving gear includes a driving gear and a driven gear, both of which are rotatably connected to the lower connecting rod, the driving gear is fixedly connected to the driving member, the driven gear is meshed with the driving gear, and the driven gear is meshed with the rack.

[0014] Furthermore, a fixing device is provided between the splicing tube and the tube body, and the fixing device includes a fixing rod, a connecting rod and a screw rod. The fixing rod is provided on the outside of the tube body, and the two ends of the connecting rod are respectively fixedly connected to the fixing rod and the splicing tube. One end of the screw rod passes through the fixing rod and abuts against the tube body, and the screw rod is threadedly connected to the fixing rod.

[0015] In summary, this application has the following technical effects: 1. By setting up a spraying device, a splicing tube, a moving tube, a feeding tube and a driving device, the driving device drives the moving tube to drive the spraying device to slide in the tube body, so that the moving tube drives the spraying device to move at a constant speed in the tube body, thereby achieving uniform and complete spraying of the inner wall of the tube body, thereby achieving the purpose of improving the efficiency of the vulcanization production of anti-corrosion pipes; 2. By setting up the support frame, the support rod is in contact with the inner wall of the pipe body, so that the installation pipe and the spray head are located in the center of the pipe body, so that the distance from the spray head to the inner wall of the pipe body is equal, thereby further improving the spraying effect of the inner wall of the pipe body; 3. By setting up a supporting device and a driving device, the supporting device is used to make the movable pipe move at a uniform speed in the pipe body and the spliced ​​pipe, and the driving device is used to drive the movable pipe to move at a uniform speed, thereby further improving the efficiency of the anti-corrosion pipe vulcanization production under the premise of ensuring the spraying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a vulcanizing device for producing large-diameter anti-corrosion pipes in the present application; Figure 2 This is a schematic diagram of the structure of the spray device in the pipe body of the present application; Figure 3 It is a schematic diagram of the structure of the spray plate and the support frame shown in this application; Figure 4 It is a schematic diagram showing the structure of the support device and the driving device of the present application.

[0017] In the figure, 1, spray head; 11, spray plate; 111, central cavity; 112, fluid channel; 12, spray head; 2, mounting tube; 21, plug-in tube; 3, splicing tube; 4, feed pipe; 5, moving tube; 6, support frame; 61, fixing ring; 62, sliding ring; 63, pushing ring; 64, support rod; 7, supporting device; 71, supporting ring; 72, upper connecting rod; 73, lower connecting rod; 8, driving device; 81, driving member; 82, driving gear; 821, driving gear; 822, driven gear; 83, rack; 9, fixing device; 91, fixing rod; 92, connecting rod; 93, screw; 10, tube body. DETAILED DESCRIPTION

[0018] The present application is further described in detail below in conjunction with the accompanying drawings.

[0019] Reference Figure 1 and Figure 2 The present embodiment provides a vulcanizing device for producing large-diameter anticorrosive pipes, including a spraying device, a splicing pipe 3, a feeding pipe 4 and a moving pipe 5. The splicing pipe 3 and the pipe body 10 of the anticorrosive pipe are arranged with equal diameters. The splicing pipe 3 is fixedly connected to one end of the pipe body 10 of the anticorrosive pipe. The spraying device is arranged in the splicing pipe 3. The spraying device is slidably connected to the splicing pipe 3 and the pipe body 10. The feeding pipe 4 is fixedly connected and communicated with the spraying device. The feeding pipe 4 is connected to a storage box for storing vulcanized anticorrosive liquid. A liquid pump is arranged on the feeding pipe 4. The liquid pump is used for In order to transport high-pressure vulcanized anti-corrosion liquid to the spraying device through the feed pipe 4, the movable pipe 5 is sleeved on the outside of the feed pipe 4, the movable pipe 5 is fixedly connected to the spraying device, the movable pipe 5 and the feed pipe 4 are both arranged in the splicing tube 3, the movable pipe 5 and the feed pipe 4 are both slidably connected to the splicing tube 3, a supporting device 7 is arranged in the splicing tube 3, the supporting device 7 is used to support the movable pipe 5 to be centered in the splicing tube 3, a driving device 8 is also arranged in the splicing tube 3, the driving device 8 is used to drive the movable pipe 5 to drive the spraying device to slide in the tube body 10.

[0020] Reference Figure 2 and Figure 3 The spraying device includes a spraying head 1 and a mounting tube 2, the spraying head 1 is fixedly connected and communicated with the mounting tube 2, one end of the mounting tube 2 away from the spraying head 1 is fixedly connected to the feed pipe 4 and the moving pipe 5, one end of the mounting tube 2 away from the spraying head 1 is fixedly connected with a plug-in tube 21, the plug-in tube 21 is communicated with the inside of the mounting tube 2, the plug-in tube 21 is plugged and matched with the feed pipe 4, and the moving pipe 5 is threadedly connected to the mounting tube 2; a support frame 6 is arranged on the outside of the mounting tube 2, the support frame 6 abuts against the inner wall of the tube body 10, the support frame 6 is used to center the spraying device in the tube body 10, the support frame 6 includes a fixed ring 61, a sliding ring 62, a pushing ring 63 and a support rod 64, the fixed ring 61, the sliding ring 62 and the pushing ring 63 are all sleeved on the outside of the mounting tube 2 The fixing ring 61 is arranged close to the spray head 1, the fixing ring 61 is fixedly connected to the mounting tube 2, the sliding ring 62 is slidingly connected to the mounting tube 2, the pushing ring 63 is rotatably connected to the sliding ring 62, the pushing ring 63 is threadedly connected to the mounting tube 2, and a plurality of support rods 64 are arranged, and the plurality of support rods 64 are divided into two groups. The two groups of support rods 64 are respectively hinged to the fixing ring 61 and the sliding ring 62, and the two groups of support rods 64 are cross-arranged. A rotating shaft is arranged at the intersection of the support rods 64 for the rotational connection of the two support rods 64, and one end of the support rod 64 away from the mounting tube 2 abuts against the inner wall of the tube body 10. In this embodiment, a roller is arranged on the side of the support rod 64 away from the mounting tube 2, and the roller abuts against the inner wall of the tube body 10, and the roller rolls against the inner wall of the tube body 10.

[0021] Reference Figure 2 and Figure 3The spray head 1 includes a spray plate 11 and a nozzle 12. The spray plate 11 is fixedly connected to the mounting tube 2. A central cavity 111 and a fluid channel 112 are provided in the spray plate 11. The central cavity 111 is connected to the mounting tube 2. A plurality of fluid channels 112 are provided. The plurality of fluid channels 112 are circumferentially distributed around the central cavity 111. Each fluid channel 112 is connected to the central cavity 111. One end of each fluid channel 112 away from the central cavity 111 passes through the circumferential side wall of the spray plate 11. A nozzle 12 is provided at each fluid channel 112. The fluid channel 112 is connected to the nozzle 12. Each nozzle 12 is fixedly connected to the spray plate 11.

[0022] Reference Figure 3 and Figure 4 The supporting device 7 includes a supporting ring 71, an upper connecting rod 72 and a lower connecting rod 73. The supporting ring 71 is sleeved on the outside of the moving tube 5. The supporting ring 71 and the moving tube 5 are coaxially arranged with the splicing tube 3. The two ends of the upper connecting rod 72 are fixedly connected with the supporting ring 71 and the splicing tube 3 respectively. Two lower connecting rods 73 are provided. The two lower connecting rods 73 are fixedly connected with the supporting ring 71 and the splicing tube 3. The driving device 8 is arranged between the two lower connecting rods 73.

[0023] Reference Figure 3 and Figure 4 The driving device 8 includes a driving member 81, a driving gear 82 and a rack 83. The driving member 81 is fixedly connected to the lower connecting rod 73, the driving gear 82 is arranged between the two lower connecting rods 73, the driving gear 82 is rotatably connected to the two lower connecting rods 73, the driving member 81 is fixedly connected to the driving gear 82, the rack 83 is fixedly connected to the moving tube 5, and the support ring 71 is provided with a notch at the position of the two lower connecting rods 73, and the driving gear 82 is meshed with the rack 83 through the notch; in this example, the driving gear 82 includes a driving gear 821 and a driven gear 822, the driving gear 821 and the driven gear 822 are both rotatably connected to the lower connecting rod 73, the driving gear 821 is fixedly connected to the driving member 81, the driven gear 822 is meshed with the driving gear 821, and the driven gear 822 is meshed with the rack 83.

[0024] Reference Figure 2 A fixing device 9 is provided between the splicing tube 3 and the tube body 10, and the fixing device 9 includes a fixing rod 91, a connecting rod 92 and a screw rod 93. The fixing rod 91 is provided on the outside of the tube body 10, and the two ends of the connecting rod 92 are fixedly connected to the fixing rod 91 and the splicing tube 3 respectively. One end of the screw rod 93 passes through the fixing rod 91 and abuts against the tube body 10, and the screw rod 93 is threadedly connected to the fixing rod 91.

[0025] The implementation principle of a vulcanization device for producing large-diameter anti-corrosion pipes in an embodiment of the present application is as follows: when using the vulcanization device, firstly, a movable pipe 5 and a feed pipe 4 of corresponding length are selected according to the length of the anti-corrosion pipe, the splicing pipe 3 is moved to one end of the anti-corrosion pipe, the driving member 81 is started to drive the driving gear 821 to rotate and drive the driven gear 822 to rotate, the driven gear 822 drives the movable pipe 5 to approach the spray head 1 through the rack 83, the feed pipe 4 is plugged and matched with the plug-in pipe 21, and then the spray head 1 is rotated to drive the mounting pipe 2 to be threadedly connected with the movable pipe 5, so as to achieve the fixation of the feed pipe 4 and the movable pipe 5 to the spray head 1, and then the push ring 63 is rotated to drive the push ring 63 to move along the mounting pipe 2, so that the sliding ring 62 approaches the fixed ring 61, thereby driving the two support rods 64 to gradually open, and the support rods 64 drive the roller to abut against the inner wall of the pipe body 10, and then the splicing pipe 3 is moved, and after the splicing pipe 3 is aligned with the anti-corrosion pipe, the screw 93 is rotated to abut against the pipe body 10, so that the splicing pipe 3 and the pipe body 10 are fixed.

[0026] The driving member 81 is then started to drive the driving gear 82 to rotate, and the driving gear 82 drives the moving tube 5 to move toward the end of the tube body 10 away from the splicing tube 3, thereby driving the spray head 1 to the end of the tube body 10 away from the splicing tube 3, and then the liquid pump is started to transport the sulfide anti-corrosion liquid in the storage tank through the feed pipe 4 to the installation tube 2, and the installation tube 2 transports the sulfide anti-corrosion liquid to the spray head 1, and then enters the central cavity 111 and is transported to the nozzle 12 through the fluid channel 112, and then the sulfide anti-corrosion liquid is transported to the inner wall of the tube body 10 through the nozzle 12. At this time, the driving member 81 is started to drive the moving tube 5 to slide at a uniform speed in the tube body 10, so that the moving tube 5 drives the spray head 1 to move at a uniform speed in the tube body 10. As the support frame 6 gradually slides toward the splicing tube 3, when the spraying tube body 10 is close to one end of the splicing tube 3, the support frame 6 slides into the splicing tube 3, thereby realizing uniform and complete spraying of the inner wall of the tube body 10, thereby achieving the purpose of improving the efficiency of the vulcanization production of the anti-corrosion pipe.

[0027] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A vulcanizing device for producing large-diameter anticorrosive pipes, characterized in that: The invention comprises a spraying device, a splicing pipe (3), a feeding pipe (4) and a moving pipe (5); the splicing pipe (3) and the pipe body (10) of the anti-corrosion pipe are arranged with equal diameters; the splicing pipe (3) is fixedly connected to one end of the pipe body (10); the spraying device is arranged in the splicing pipe (3); the spraying device is slidably connected to the splicing pipe (3) and the pipe body (10); the feeding pipe (4) is fixedly connected and communicated with the spraying device; the feeding pipe (4) is used to transport high-pressure vulcanized anti-corrosion liquid into the spraying device; the moving pipe (5) is sleeved on the outside of the feeding pipe (4); the moving pipe (5) is fixedly connected to the spraying device; the moving pipe (5) and the feeding pipe (4) are both arranged in the splicing pipe (3); the moving pipe (5) and the feeding pipe (4) are slidably connected to the splicing pipe (3); a driving device (8) is arranged in the splicing pipe (3); the driving device (8) is used to drive the moving pipe (5) to drive the spraying device to slide in the pipe body (10).

2. A vulcanizing device for producing large-diameter anticorrosive pipes according to claim 1, characterized in that: The spraying device comprises a spraying head (1) and a mounting tube (2), wherein the spraying head (1) is fixedly connected to and communicates with the mounting tube (2), and one end of the mounting tube (2) away from the spraying head (1) is fixedly connected to both a feed pipe (4) and a moving pipe (5), and a support frame (6) is arranged on the outside of the mounting tube (2), the support frame (6) abuts against the inner wall of the tube body (10), and the support frame (6) is used to center the spraying device in the tube body (10).

3. A vulcanizing device for producing large-diameter anticorrosive pipes according to claim 2, characterized in that: The support frame (6) comprises a fixed ring (61), a sliding ring (62), a pushing ring (63) and a support rod (64); the fixed ring (61), the sliding ring (62) and the pushing ring (63) are all sleeved on the outside of the mounting tube (2); the fixed ring (61) is arranged close to the spray head (1); the fixed ring (61) is fixedly connected to the mounting tube (2); the sliding ring (62) is slidably connected to the mounting tube (2); and the pushing ring (63) is rotatably connected to the sliding ring (62). The pushing ring (63) is threadedly connected to the mounting tube (2), and a plurality of support rods (64) are provided. The plurality of support rods (64) are divided into two groups. The two groups of support rods (64) are respectively hinged to the fixing ring (61) and the sliding ring (62). The two groups of support rods (64) are cross-arranged. A rotating shaft is provided at the intersection of the support rods (64) for the rotational connection of the two support rods (64). One end of the support rod (64) away from the mounting tube (2) abuts against the inner wall of the tube body (10).

4. A vulcanizing device for producing large-diameter anticorrosive pipes according to claim 2, characterized in that: One end of the installation tube (2) away from the spray head (1) is fixedly connected to a plug-in tube (21), the plug-in tube (21) is communicated with the interior of the installation tube (2), and the plug-in tube (21) is plugged and matched with the material delivery tube (4).

5. The vulcanizing device for producing large-diameter anticorrosive pipes according to claim 2, characterized in that: The spray head (1) comprises a spray plate (11) and a nozzle (12); the spray plate (11) is fixedly connected to the mounting tube (2); a central cavity (111) and a fluid channel (112) are arranged in the spray plate (11); the central cavity (111) is connected to the mounting tube (2); a plurality of fluid channels (112) are arranged; the plurality of fluid channels (112) are distributed in a circular pattern around the central cavity (111); each fluid channel (112) is connected to the central cavity (111); one end of each fluid channel (112) away from the central cavity (111) passes through the circumferential side wall of the spray plate (11); a nozzle (12) is arranged at each fluid channel (112); the fluid channel (112) is connected to the nozzle (12); and each nozzle (12) is fixedly connected to the spray plate (11).

6. The vulcanizing device for producing large-diameter anticorrosive pipes according to claim 1, characterized in that: A supporting device (7) is provided in the splicing tube (3), and the supporting device (7) is used to support the moving tube (5) to be centered in the splicing tube (3); The support device (7) comprises a support ring (71), an upper connecting rod (72) and a lower connecting rod (73); the support ring (71) is sleeved on the outer side of the moving tube (5); the support ring (71) and the moving tube (5) are coaxially arranged with the splicing tube (3); the two ends of the upper connecting rod (72) are respectively fixedly connected to the support ring (71) and the splicing tube (3); two lower connecting rods (73) are provided, and the two lower connecting rods (73) are fixedly connected to the support ring (71) and the splicing tube (3); and the driving device (8) is arranged between the two lower connecting rods (73).

7. A vulcanizing device for producing large-diameter anticorrosive pipes according to claim 6, characterized in that: The driving device (8) comprises a driving member (81), a driving gear (82) and a rack (83); the driving member (81) is fixedly connected to the lower connecting rod (73); the driving gear (82) is arranged between the two lower connecting rods (73); the driving gear (82) and the two lower connecting rods (73) are both rotatably connected; the driving member (81) is fixedly connected to the driving gear (82); the rack (83) is fixedly connected to the moving tube (5); and the driving gear (82) is meshed with the rack (83).

8. A vulcanizing device for producing large-diameter anticorrosive pipes according to claim 7, characterized in that: The driving gear (82) comprises a driving gear (821) and a driven gear (822), wherein the driving gear (821) and the driven gear (822) are both rotatably connected to the lower connecting rod (73), the driving gear (821) is fixedly connected to the driving member (81), the driven gear (822) is meshed with the driving gear (821), and the driven gear (822) is meshed with the rack (83).

9. The vulcanizing device for producing large-diameter anticorrosive pipes according to claim 1, characterized in that: A fixing device (9) is arranged between the splicing tube (3) and the tube body (10), and the fixing device (9) comprises a fixing rod (91), a connecting rod (92) and a screw rod (93). The fixing rod (91) is arranged outside the tube body (10), and two ends of the connecting rod (92) are respectively fixedly connected to the fixing rod (91) and the splicing tube (3). One end of the screw rod (93) passes through the fixing rod (91) and abuts against the tube body (10), and the screw rod (93) is threadedly connected to the fixing rod (91).

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