Heat treatment device for long pipes

Abstract

The utility model discloses a heat treatment device for long pipes, which comprises a transmission mechanism, a heating mechanism, a cooling mechanism, a console and a long pipe, the transmission mechanism comprises a conveying table, a plurality of first telescopic cylinders and second telescopic cylinders are mounted on the conveying table, and a support frame is mounted at the output end of each first telescopic cylinder; a plurality of supporting rollers are rotatably installed in the supporting frame, a motor base is installed at the output end of the second telescopic cylinder, a motor is installed on the motor base, a driving roller is installed on an output shaft of the motor, a heating mechanism is arranged on the left side of the conveying mechanism, and a cooling mechanism is arranged on the left side of the heating mechanism. And the transmission mechanism, the heating mechanism and the cooling mechanism are electrically connected with the console. According to the scheme, the device is suitable for a large number of short pipelines and long pipelines, and the telescopic cylinder drives the supporting frame and the driving roller to ascend and descend, so that the device can be suitable for long pipes with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline processing, in particular to a long pipe heat treatment device. Background Art

[0002] Pipeline heat treatment is a method of changing the mechanical properties and microstructure of pipeline materials by heating and cooling them. The purpose of pipeline heat treatment is to achieve the required mechanical properties and structural characteristics of pipeline materials by controlling the heating and cooling process of materials to meet specific engineering requirements.

[0003] Pipeline heat treatment can change the hardness, strength, toughness, corrosion resistance and fatigue resistance of pipeline materials to adapt to different use environments and engineering requirements. It is widely used in the pipeline manufacturing and installation process in the petroleum, chemical, energy, construction and other industries.

[0004] After searching, the Chinese patent application No. 201510390070.7 discloses a long tube heat treatment equipment, including a bottom plate, a positioning device is installed on the left side of the bottom plate, a No. 1 motor is installed on the upper end of the bottom plate, and an inner tube wall quenching device is installed on the right side of the bottom plate; the positioning device includes a No. 1 screw rod, which is installed on the bottom plate in the horizontal direction, a No. 1 drive nut is provided on the No. 1 screw rod, a No. 1 mounting plate is fixed on the upper end of the No. 1 drive nut, a No. 1 mounting plate is fixed on the front and rear ends of the No. 1 screw rod, a No. 1 support frame is provided on the right side of the No. 1 screw rod, a No. 2 mounting plate is fixed on the upper end of the No. 1 support frame, and a roller adjustment device is fixed on both the No. 1 mounting plate and the No. 2 mounting plate. The long tube heat treatment equipment in the above-mentioned document has the following shortcomings: it is impossible to heat treat a longer pipe. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a long tube heat treatment device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A long tube heat treatment device comprises a transmission mechanism, a heating mechanism, a cooling mechanism, a control console and a long tube, wherein the transmission mechanism comprises a conveying platform, on which a plurality of first telescopic cylinders and a second telescopic cylinder are mounted, a support frame is mounted at the output end of the first telescopic cylinder, the support frame is in a "V" shape, and a plurality of support rollers are rotatably mounted in the support frame, a motor base is mounted at the output end of the second telescopic cylinder, a motor is mounted on the motor base, and a driving roller is mounted on the output shaft of the motor, a heating mechanism is arranged on the left side of the transmission mechanism, a cooling mechanism is arranged on the left side of the heating mechanism, and the transmission mechanism, the heating mechanism and the cooling mechanism are all electrically connected to the control console.

[0008] As a further solution of the utility model: the heating mechanism includes a heating box, an AC power supply is installed in the heating box, the AC power supply is connected to a coil, the heating box is provided with a through hole, and the diameter of the coil is larger than the diameter of the through hole.

[0009] As a further solution of the utility model: the cooling mechanism includes a cooling box, a water spray box is installed in the cooling box through a bracket, a water pipe is arranged above the water spray box, the water pipe is connected to a plurality of water nozzles, and through holes are opened on both sides of the cooling box.

[0010] As a further solution of the utility model: an inclined plate is arranged at the bottom of the shower box, a water collecting box is installed at the lower end of the inclined plate, the water collecting box is connected to the water pipe, and a circulating pump is installed on the water pipe.

[0011] As a further solution of the utility model: a plurality of guide plates are installed in the water shower box.

[0012] As a further solution of the utility model: a first observation window is provided on the front of the cooling box, and a plurality of second observation windows are provided on the front of the water shower box, and the first observation window and the plurality of second observation windows are all made of transparent material.

[0013] As a further solution of the utility model: a guide tube is installed in the through hole opened in the heating box.

[0014] As a further solution of the utility model: a second maintenance door is provided on the side wall of the heating box, and a first maintenance door is provided on the back of the cooling box.

[0015] The beneficial effects of the utility model are:

[0016] The transmission mechanism of the utility model can continuously and slowly transport the long pipe, and the long pipe is heated and cooled on the conveyor belt to complete the heat treatment. Since the long pipe is heat-treated while being transported, the device is suitable for a large number of shorter-sized pipes as well as longer-sized pipes. The telescopic cylinder drives the support frame and the driving roller to rise and fall, so that the device can be suitable for long pipes of different diameters.

[0017] The through hole allows the long tube to pass through. At this time, the coil is powered by alternating current to perform induction heating on the long tube in the middle. Induction heating can quickly heat up the pipeline and improve the heat treatment effect, while satisfying the requirement of heating the long tube while it moves.

[0018] By setting up a cooling mechanism, when the long pipe is transported to the water spray box through the through hole, the water spray nozzle sprays cooling water to quickly cool the long pipe.

[0019] The cooling water will be collected by the inclined plate into the water collecting tank, and the circulating pump will pump the cooling water in the water collecting tank to the upper water pipe for recycling.

[0020] By setting the guide plate, the long pipe can be prevented from being skewed during transportation. At the same time, the guide plate can support the loose long pipe.

[0021] 6. Through the above solution, the operator can see the internal working status of the device and find and deal with problems in time.

[0022] By providing a guide tube, the long tube can be guided to enter the heating box accurately, and the guide tube plays a supporting role for the long tube.

[0023] By setting up two maintenance doors, the operator can easily maintain the internal components of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model.

[0025] Figure 2 It is a front sectional view of the utility model.

[0026] Figure 3 It is a right side sectional view of the utility model.

[0027] Figure 4 It is a left side sectional view of the utility model.

[0028] Figure 5 For this utility model Figure 1 Schematic diagram of the structure at A in the middle.

[0029] In the figure: 101-transport platform, 102-first telescopic cylinder, 103-support frame, 104-support roller, 105-guide tube, 106-second telescopic cylinder, 107-motor base, 108-motor, 109-drive roller, 110-guide plate, 111-first maintenance door, 201-heating box, 202-second maintenance door, 203-coil, 204-AC power supply, 301-cooling box, 302-first observation window, 303-water shower box, 304-second observation window, 305-bracket, 306-water nozzle, 307-water pipe, 308-inclined plate, 309-water collecting tank, 310-circulating pump, 4-control console, 5-long pipe. DETAILED DESCRIPTION

[0030] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] A long tube heat treatment device, such as Figure 1-5 As shown, it includes a transmission mechanism, a heating mechanism, a cooling mechanism, a control console 4 and a long tube 5. The transmission mechanism includes a conveying platform 101, on which are installed a plurality of first telescopic cylinders 102 and a second telescopic cylinder 106. The output end of the first telescopic cylinder 102 is installed with a support frame 103, and the support frame 103 is in a "V" shape. A plurality of support rollers 104 are rotatably installed in the support frame 103. The output end of the second telescopic cylinder 106 is installed with a motor base 107, on which a motor 108 is installed, and the output shaft of the motor 108 is installed with a driving roller 109. A heating mechanism is arranged on the left side of the transmission mechanism, and a cooling mechanism is arranged on the left side of the heating mechanism. The transmission mechanism, the heating mechanism and the cooling mechanism are all electrically connected to the control console 4.

[0033] Through the scheme, the transmission mechanism can continuously and slowly transport the long tube, and the long tube is heated and cooled on the conveyor belt to complete the heat treatment. Since the long tube is heat-treated while being transported, the device is suitable for a large number of shorter pipes as well as longer pipes. The telescopic cylinder drives the support frame and the driving roller to rise and fall, so that the device can be suitable for long tubes of different diameters.

[0034] The device is further configured such that the heating mechanism includes a heating box 201, an AC power supply 204 is installed in the heating box 201, the AC power supply is connected to a coil 203, a through hole is opened in the heating box 201, and the diameter of the coil 203 is larger than the diameter of the through hole.

[0035] Through the scheme, the through hole allows the long tube to pass through. At this time, the coil is powered by alternating current to perform induction heating on the middle long tube. The induction heating can quickly heat the pipeline and improve the heat treatment effect, while satisfying the requirement of heating the long tube while moving.

[0036] The device is further configured such that the cooling mechanism includes a cooling box 301, a water spray box 303 is installed in the cooling box through a bracket 305, a water pipe 307 is arranged above the water spray box 303, the water pipe 307 is connected to a plurality of water spray nozzles, and through holes are opened on both sides of the cooling box 301.

[0037] By setting up a cooling mechanism, when the long pipe is transported to the water spray box through the through hole, the water spray nozzle sprays cooling water to quickly cool the long pipe.

[0038] The device is further configured such that an inclined plate 308 is provided at the bottom of the water shower box 303 , a water collecting box 309 is installed at the lower end of the inclined plate 308 , the water collecting box 309 is connected to the water pipe 307 , and a circulating pump 310 is installed on the water pipe 307 .

[0039] Through the scheme, the cooling water will be collected by the inclined plate into the water collecting tank, and the circulating pump will pump the cooling water in the water collecting tank to the upper water pipe for recycling.

[0040] The device is further configured such that a plurality of guide plates 110 are installed in the water shower box 303 .

[0041] By setting the guide plate, the long pipe can be prevented from being skewed during transportation. At the same time, the guide plate can support the loose long pipe.

[0042] The device is further configured such that a first observation window 302 is provided on the front of the cooling box 301, and a plurality of second observation windows 304 are provided on the front of the water shower box 303. The first observation window 302 and the plurality of second observation windows 304 are all made of transparent material.

[0043] Through the solution, the operator can see the internal working status of the device and discover and handle problems in time.

[0044] The device is further configured such that a guide tube 105 is installed in the through hole of the heating box 201 .

[0045] By providing a guide tube, the long tube can be guided to enter the heating box accurately, and the guide tube plays a supporting role for the long tube.

[0046] The device is further configured such that a second maintenance door 202 is provided on a side wall of the heating box 201 , and a first maintenance door 111 is provided on the back of the cooling box 301 .

[0047] By setting up two maintenance doors, the operator can easily maintain the internal components of the device.

[0048] Working principle: The operator raises the first telescopic cylinder 102 and the second telescopic cylinder 106 to a suitable height according to the diameter of the long tube 5 to be processed, and the motor 108 drives the driving roller 109 to transport the long tube 15 above. The long tube 15 enters the heating box 201 through the guide tube 105, and the AC power supply 204 transmits AC power to the coil 203 to induction heat the long tube 15. Then the long tube 15 enters the water spraying box 303, and a plurality of water nozzles 306 spray cooling water on the surface of the long tube for rapid cooling, thereby completing the heat treatment of the long tube 15.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A long tube heat treatment device, characterized in that: It comprises a transmission mechanism, a heating mechanism, a cooling mechanism, a control console (4) and a long tube (5); The transmission mechanism comprises a conveying platform (101), on which a plurality of first telescopic cylinders (102) and second telescopic cylinders (106) are mounted, a support frame (103) is mounted at the output end of the first telescopic cylinder (102), a plurality of support rollers (104) are rotatably mounted in the support frame (103), a motor base (107) is mounted at the output end of the second telescopic cylinder (106), a motor (108) is mounted on the motor base (107), and a driving roller (109) is mounted on the output shaft of the motor (108), a heating mechanism is arranged on the left side of the transmission mechanism, and a cooling mechanism is arranged on the left side of the heating mechanism, and the transmission mechanism, the heating mechanism and the cooling mechanism are all electrically connected to a control console (4).

2. A long tube heat treatment device according to claim 1, characterized in that: The heating mechanism comprises a heating box (201), an AC power source (204) is installed in the heating box (201), the AC power source is connected to a coil (203), the heating box (201) is provided with a through hole, and the diameter of the coil (203) is greater than the diameter of the through hole.

3. A long tube heat treatment device according to claim 2, characterized in that: The cooling mechanism comprises a cooling box (301), a water spray box (303) being installed in the cooling box via a bracket (305), a water pipe (307) being arranged above the water spray box (303), the water pipe (307) being connected to a plurality of water spray nozzles, and through holes being provided on both sides of the cooling box (301).

4. A long tube heat treatment device according to claim 3, characterized in that: The bottom of the shower box (303) is provided with an inclined plate (308), the lower end of the inclined plate (308) is provided with a water collecting box (309), the water collecting box (309) is connected to the water pipe (307), and a circulating pump (310) is installed on the water pipe (307).

5. A long tube heat treatment device according to claim 4, characterized in that: A plurality of guide plates (110) are installed in the water shower box (303).

6. A long tube heat treatment device according to claim 5, characterized in that: The cooling box (301) is provided with a first observation window (302) on the front side, and the water shower box (303) is provided with a plurality of second observation windows (304) on the front side. The first observation window (302) and the plurality of second observation windows (304) are both made of a transparent material.

7. A long tube heat treatment device according to claim 6, characterized in that: A guide tube (105) is installed in the through hole of the heating box (201).

8. The long tube heat treatment device according to claim 7, characterized in that: A second maintenance door (202) is provided on the side wall of the heating box (201), and a first maintenance door (111) is provided on the back of the cooling box (301).

9. The long tube heat treatment device according to claim 1, characterized in that: The support frame (103) is in a "V" shape.

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