CN211528079U - Spiral pipe hydrostatic testing machine - Google Patents

Abstract

The utility model discloses a spiral pipe hydrostatic testing machine, which relates to the technical field of steel pipe hydrostatic testing equipment and comprises a base, wherein a water pressing device and a quick drying device are arranged on the base; the water pressing device comprises two sliding guide rails, a water injection tank and an exhaust plate, wherein the water injection tank and the exhaust plate are arranged on the sliding guide rails in a sliding mode; the rapid-curing cutback device includes the fixed plate of two relative settings, and the fixed plate goes up and down to set up on the base, rotates on the fixed plate and is provided with drive roll and driven voller, and the fixed lifting seat that is provided with on the base is provided with the arc heating pipe with sliding, and the swing is provided with two transfer poles on the base, is fixed with the unloading pole of two relative settings on the base, has set firmly the rotation motor on the fixed plate. The utility model discloses can carry out water pressure test to the spiral pipe to manage to carry out fast drying to trying the back and handle, have the characteristics that drying efficiency is high, the practicality is strong.

Description

Spiral Pipe Hydraulic Testing Machine

technical field

The utility model relates to the technical field of hydraulic testing equipment for steel pipes, in particular to a hydraulic testing machine for spiral pipes.

Background technique

After the spiral tube is processed, it is necessary to perform a hydraulic test on the spiral tube. The hydraulic test is mainly used to test the pressure bearing capacity of the spiral tube and whether there is water leakage. The hydraulic testing machine is mainly used for the hydraulic test of the spiral pipe. The process flow of the hydraulic test is upper pipe-connection-water filling-pressure-maintaining pressure-relieving pressure-draining-outlet pipe. The spiral pipe before pressure maintenance is called For the test tube, the pressure-maintained spiral tube is called the post-test tube. Before the pressure test of the spiral tube, a polyurethane sealing ring needs to be set at the end of the steel pipe.

The Chinese patent with the patent publication number CN104502200B proposes a fully automatic pipe hydraulic testing machine, including a hydraulic testing machine, idlers, guide rails, and a synchronous turning mechanism. The base of the hydraulic testing machine is provided with a cavity, and the cavity is provided with rollers for lifting and lowering the steel pipe in parallel.

In the above technical solution, a hydraulic test is performed on the spiral tube by setting a hydraulic tester, and the water in the tube is discharged into the cavity after the test. However, due to the surface tension of the water, there is still water on the inner wall of the tube after the test. The post-test tubes are dried.

Utility model content

The purpose of the utility model is to provide a helical pipe hydraulic testing machine, which can perform a hydraulic test on the helical pipe and quickly dry the pipe after the test, and has the characteristics of high drying efficiency and strong practicability.

The utility model is achieved through the following technical solutions:

The helical tube hydraulic testing machine includes a base on which a water press device and a quick-drying device are arranged; the water press device includes two parallel sliding guide rails and a sliding guide rail arranged on the sliding guide rail. A water injection tank and an exhaust plate, a water injection pipe is fixed on the water injection tank, an exhaust pipe is fixed on the exhaust plate, a locking valve is fixed at one end of the exhaust pipe away from the water injection tank, and the base Two bearing rollers are arranged in the upper rotation, and the bearing rollers are located between the two sliding guide rails; the quick-drying device includes two fixed plates arranged opposite to each other, and the fixed plates are raised and lowered on the base, A driving roller and a driven roller are rotatably arranged on the fixing plate, a lifting seat and an arc-shaped heating tube are arranged to move up and down along the connecting line of the two fixing plates on the base, and the base swings There are two transfer rods and two oppositely arranged blanking rods, the fixed plate is located between the transfer rod and the blanking rod, and the driving roller is fixed on the fixed plate Rotating rotary motor.

By adopting the above technical scheme, the test tube is placed on the two receiving rollers, the water injection box and the exhaust plate move toward each other and respectively collide with both ends of the test tube, and the water injection pipe first injects low-pressure water into the test tube to exhaust through the exhaust pipe. Close the locking valve, and then inject high-pressure water to maintain the pressure. Then the water injection tank and the exhaust plate move back to discharge the water in the test tube, the fixed plate moves upward, and the transfer rod swings to transfer the post-test tube to the driving roller and the driven roller. Between the rollers, the lifting seat moves up to lift one end of the tube after the test to discharge the water retained in the tube after the test, and then the lifting seat moves down. The driving roller rotates under the action of the rotating motor to make the steel tube rotate, and the arc heating tube slides along the length of the steel tube. The post-test tube is dried, and after the drying treatment, the fixed plate is moved down to transfer the post-test tube to the unloading rod. In the utility model, the hydraulic test is carried out on the spiral pipe through the cooperation of the water injection box and the exhaust plate, the arc-shaped heating pipe, the driving roller and the driven roller cooperate to quickly dry the pipe after the test, and the lifting seat is arranged to discharge the pipe after the test. retained water. The utility model can carry out the water pressure test on the spiral pipe, and can quickly dry the pipe after the test, and has the characteristics of high drying efficiency and strong practicability.

It is further arranged as follows: two oppositely arranged end plates are fixed on the base, a lead screw is rotatably arranged between the two end plates and a guide rail is fixedly arranged, and the lead screw and the guide rail are both arranged along the two ends. The direction of the connection lines of each of the fixing plates is set, the screw is sleeved with a sliding seat, the sliding seat is slidingly matched with the guide rail, and the lower end surface of the sliding seat is raised and lowered to provide the arc heating A drying motor for driving the lead screw to rotate is fixed on any of the end plates.

By adopting the above technical solution, under the action of the drying motor, the rotation of the lead screw drives the sliding seat to slide along the lead screw, so that the arc heating tube slides along the length of the lead screw, thereby drying the tube after the test.

It is further arranged that a scissor lift is fixed on the lower end surface of the sliding seat, and the arc heating pipe is fixed at the lower end of the scissor lift.

By adopting the above technical scheme, adjusting the height of the scissor lift can change the distance between the arc-shaped heating tube and the post-test tube, thereby adjusting the drying temperature of the post-test tube and making the arc-shaped heating tube suitable for different tube diameters. The drying process of the rear tube.

It is further arranged that a lift cylinder is fixed on the base, and the lift seat is fixed on a piston rod of the lift cylinder.

By adopting the above technical solution, under the action of the lifting cylinder, when the lifting seat moves upward, one end of the post-test tube can be lifted to facilitate the discharge of water retained in the post-test tube, and the downward movement of the lifting seat can facilitate subsequent drying of the post-test tube deal with.

It is further arranged that: two rotating cylinders are fixed on the base, the two rotating cylinders are respectively corresponding to the two fixing plates, and the fixing plates are fixed on the piston rod of the rotating cylinder.

By adopting the above technical solution, when the piston rod of the rotating cylinder pushes the fixed plate to move upward, the maximum height reached by the driving roller and the driven roller is lower than the height of the transfer rod, which is convenient for the driving roller and the driven roller to accept the post-test tube; When the piston rod pushes the fixed plate to move down, the minimum height reached by the driving roller and the driven roller is lower than the height of the blanking rod, which is convenient for transferring the test tube to the blanking rod.

It is further arranged as follows: two vertical rods are fixed on the base, the ends of the two vertical rods away from the base are respectively hinged with the ends of the two transfer rods close to the fixing plate, and the vertical rods are hinged on the base. There is a transfer cylinder, and the piston rod of the transfer cylinder is hinged with one end of the transfer rod away from the fixed plate.

By adopting the above technical solution, when the piston rod of the transfer cylinder extends, the transfer rod swings to the side close to the fixed plate, which facilitates the transfer of the post-test tube to the driving roller and the driven roller; when the piston rod of the transfer cylinder retracts, the transfer rod The rod swings to the side away from the fixed plate to facilitate the transfer of the next post-test tube.

It is further set as follows: both the lower end surfaces of the water injection box and the exhaust plate are rotatably provided with a driving wheel and a driven wheel, and both the driving wheel and the driven wheel are in rolling fit with the sliding guide rail, and the water injection box is provided with a driving wheel and a driven wheel. A sliding motor that drives the driving wheel to rotate is fixed on both the exhaust plate and the exhaust plate.

By adopting the above technical solution, under the action of the sliding motor, the rotation of the driving wheel drives the rotation of the driven wheel, so that the water filling tank and the exhaust plate slide along the sliding guide rail.

It is further arranged that a water storage tank is opened on the base, and the water storage tank is located between the two sliding guide rails.

By adopting the above technical solution, when the water injection tank and the exhaust plate move back, the water storage tank can receive the water in the pipe after the test.

To sum up, the beneficial technical effects of the present utility model are:

(1) Through the cooperation of the water injection tank and the exhaust plate, the hydraulic test can be carried out on the spiral pipe;

(2) Through the cooperation of the arc heating tube, the driving roller and the driven roller, the tube can be quickly dried after the test;

(3) Through the setting of the lifting seat, the water remaining in the tube after the test can be discharged, which is convenient for the subsequent drying treatment of the tube after the test.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Figure 2 is a schematic diagram of the positional relationship between the water injection tank and the exhaust plate in the present invention;

FIG. 3 is a schematic structural diagram of the medium-speed drying device of the present invention.

Reference numerals: 1. Base; 2. Sliding guide rail; 3. Water injection tank; 4. Exhaust plate; 5. Water injection pipe; 6. Exhaust pipe; 7. Locking valve; 8. Receiving roller; 9. Fixing plate; 10, driving roller; 11, driven roller; 12, lifting seat; 13, arc heating pipe; 14, transfer rod; 15, blanking rod; 16, rotating motor; 17, end plate; 18, lead screw ;19, guide rail; 20, sliding seat; 21, drying motor; 22, scissor lift; 23, lifting cylinder; 24, rotating cylinder; 25, vertical rod; 26, transfer cylinder; 27, driving wheel; 28, Driven wheel; 29. Sliding motor; 30. Water storage tank.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to FIG. 1 , the utility model discloses a helical tube hydraulic testing machine, including a base 1 , and a water-pressing device and a quick-drying device located on one side of the water-pressing device are arranged on the base 1 .

1 and 2 , the water press device includes two parallel sliding guide rails 2 fixed on the base 1 . Between them and the same length as the sliding guide rail 2, a water filling tank 3 and an exhaust plate 4 are slidably arranged on the sliding guide rail 2, and a water injection pipe 5 is fixed on the side of the water filling tank 3 close to the exhaust plate 4. An exhaust pipe 6 pierced with an exhaust plate 4 is fixed thereon, a locking valve 7 is fixed at one end of the exhaust pipe 6 away from the water filling tank 3 , and two oppositely arranged receiving rollers 8 are arranged at the bottom of the water storage tank 30 to rotate. Place the tube to be tested on the two receiving rollers 8, the water injection box 3 and the exhaust plate 4 move toward each other until they collide with both ends of the tube to be tested, and the water injection pipe 5 injects low-pressure water into the tube to be tested and exhausts through the exhaust pipe 6. After the exhaust is completed, the locking valve 7 is closed, and the water injection pipe 5 injects high-pressure water into the test pipe and maintains the pressure. After the pressure maintaining test, the water injection tank 3 and the exhaust plate 4 move back. The water drains into the water storage tank 30 .

The slippage between the water injection box 3 and the exhaust plate 4 is realized by the following settings: the lower end surface of the water injection box 3 is rotated and provided with a driving wheel 27 and a driven wheel 28, and the lower end surface of the exhaust plate 4 is rotated and provided with a driving wheel 27 and a driven wheel 28. The moving wheel 28, the driving wheel 27 and the driven wheel 28 are all rolling with the sliding guide rail 2, and the water filling box 3 and the exhaust plate 4 are fixed with a sliding motor 29, and the two sliding motors 29 are respectively driven with the two driving wheels 27. connect. Under the action of the sliding motor 29 , the rotation of the driving wheel 27 drives the rotation of the driven wheel 28 , so that the water filling box 3 and the exhaust plate 4 can slide along the sliding guide rail 2 .

1 and 3, the quick-drying device includes two fixed plates 9 arranged opposite to each other. The fixed plate 9 is lifted and lowered on the base 1, and the fixed plate 9 is rotatably provided with a driving roller 10 and a driven roller 11. The driving roller 10 and The rotating shafts of the driven roller 11 are arranged in parallel, and a rotating motor 16 is fixed on the fixing plate 9 , and the rotating motor 16 is connected with the driving roller 10 in a driving manner. Two rotating cylinders 24 are fixed on the base 1 , and the two rotating cylinders 24 correspond to the two fixing plates 9 respectively. Two oppositely arranged transfer rods 14 are oscillated on the base 1, and the transfer rods 14 are located between the receiving roller 8 and the fixing plate 9; two oppositely arranged blanking rods 15 are fixed on the base 1, and the fixing plate 9 is located in the blanking plate 9. between the rod 15 and the transfer rod 14 .

The swing of the transfer rod 14 is achieved by the following settings: two vertical rods 25 are fixed on the base 1 , the two vertical rods 25 correspond to the two transfer rods 14 respectively, and the end of the vertical rod 25 away from the base 1 is close to the transfer rod 14 One end of the fixed plate 9 is hinged, and a transfer cylinder 26 is hinged on the vertical rod 25 . A lift cylinder 23 is fixed on the base 1 along the connecting line of the two fixing plates 9 , and a lift seat 12 is fixed at one end of the piston rod of the lift cylinder 23 away from the lift cylinder 23 . The fixed plate 9 moves upward under the action of the rotating cylinder 24, the maximum height reached by the driving roller 10 and the driven roller 11 is lower than the height of the vertical rod 25, the piston rod of the transfer cylinder 26 extends, and the transfer rod 14 moves closer to the fixed plate 9. Swing sideways, transfer the test tube from the receiving roller 8 to between the driving roller 10 and the driven roller 11, then the piston rod of the transfer cylinder 26 retracts, and the transfer rod 14 swings to the side away from the fixed plate 9, which is convenient for transferring the next Then the lifting base 12 moves upward under the action of the lifting cylinder 23, and lifts one end of the test tube, so that an included angle of less than 10 degrees is formed between the test tube and the base 1, which is convenient for the water retained in the test tube. After the water in the test tube is discharged, the lifting seat 12 moves down under the action of the lifting cylinder 23, which is convenient for the subsequent processing of the test tube.

Two oppositely arranged end plates 17 are fixed on the base 1 , the two end plates 17 are arranged along the connecting line direction of the two fixed plates 9 and the two fixed plates 9 are located between the two end plates 17 . A lead screw 18 is rotatably arranged between the two end plates 17 and a guide rail 19 is fixedly arranged. The screw 18 is provided with a sliding seat 20 on the threaded sleeve. The sliding seat 20 is slidingly matched with the guide rail 19. The lower end surface of the sliding seat 20 is fixed with a scissor lift 22, and the lower end of the scissor lift 22 is fixed with an arc-shaped heating pipe 13. A drying motor 21 is fixed on one end plate 17 , and the drying motor 21 is connected with the lead screw 18 in a driving manner. Under the action of the rotating motor 16, the rotation of the driving roller 10 drives the rotation of the driven roller 11, so that the test tube rotates around its central axis. The lead screw 18 rotates under the action of the drying motor 21, and drives the sliding seat 20 to move along the lead screw 18, so that the arc-shaped heating tube 13 moves along the length direction of the steel pipe to dry the tube after the test. The arrangement of the driving roller 10 and the driven roller 11 enables the tube to rotate after the test, and the rotation of the tube after the test can make the tube heat more evenly after the test, which is conducive to rapid drying. The setting of the scissor lift 22 can easily adjust the distance between the arc-shaped heating tube 13 and the outer wall of the test tube, which is convenient for adjusting the drying temperature of the post-test tube and makes the arc-shaped heating tube 13 suitable for different tube diameters after the test. Tube drying.

After the test tube is dried, the rotating motor 16 stops running, the rotating cylinder 24 drives the fixed plate 9 to move toward the side close to the base 1, and the minimum height reached by the driving roller 10 and the driven roller 11 is lower than that of the unloading rod 15, which is close to the fixed plate 9. The height of one end of the plate 9, so that the post-test tube is transferred to the two unloading rods 15, which is convenient for the collection of the post-test tube.

The working principle and beneficial effects of the present utility model are as follows:

Place the tube to be tested on the two receiving rollers 8, and the water injection pipe 5 injects low-pressure water into the tube to be tested and exhausts through the exhaust pipe 6. After the exhaust is completed, the locking valve 7 is closed, and the water injection pipe 5 injects high pressure into the test tube. After the water pressure test, the water in the test tube is discharged into the water storage tank 30, the fixed plate 9 moves upward, and the transfer rod 14 transfers the test tube to between the driving roller 10 and the driven roller 11, The lifting seat 12 lifts the test tube to empty the water in the test tube. After the lifting seat 12 moves down, the driving roller 10 drives the test tube to rotate, and adjusts the height of the arc heating tube 13. The arc heating tube 13 moves along the test tube. The lengthwise movement of the tube dries the post-test tube. After drying, the fixing plate 9 moves downward to transfer the post-test tube to the unloading rod 15 . In the utility model, the water pressure test is carried out on the spiral pipe through the cooperation of the water injection box 3 and the exhaust plate 4; the arc-shaped heating pipe 13 can dry the pipe after the test, and the setting of the driving roller 10 and the driven roller 11 makes the test The rotation of the back tube can speed up the drying speed of the post-test tube, and the setting of the lifting seat 12 can discharge the water remaining in the post-test tube. The utility model can carry out the water pressure test on the spiral pipe, and can quickly dry the pipe after the test, and has the characteristics of high drying efficiency and strong practicability.

The above are only the preferred specific embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention should be covered. within the protection scope of the present invention.

Claims (8)

1. Helical pipe hydraulic testing machine is characterized in that: it comprises a base (1), and the base (1) is provided with a water-pressing device and a quick-drying device; the water-pressing device comprises two sliding guide rails arranged in parallel (2) and a water injection tank (3) and an exhaust plate (4) slidingly arranged on the sliding guide rail (2), a water injection pipe (5) is fixed on the water injection tank (3), and the discharge An exhaust pipe (6) is fixed on the air plate (4), and a locking valve (7) is fixed at one end of the exhaust pipe (6) away from the water injection tank (3), and the base (1) rotates on the Two bearing rollers (8) are provided, and the bearing rollers (8) are located between the two sliding guide rails (2); The quick-drying device comprises two oppositely arranged fixing plates (9), the fixing plates (9) are lifted and lowered on the base (1), and a driving roller (10) is rotatably arranged on the fixing plate (9). ) and a driven roller (11), a lifting seat (12) and an arc-shaped heating tube (13) are arranged on the base (1) to move up and down along the connecting line of the two fixed plates (9). The base (1) is provided with two transfer rods (14) oscillatingly and fixedly provided with two oppositely arranged blanking rods (15), and the fixed plate (9) is located between the transfer rods (14) and the Between the blanking bars (15), a rotating motor (16) for driving the driving roller (10) to rotate is fixed on the fixing plate (9). 2. The helical pipe hydraulic testing machine according to claim 1, characterized in that: two oppositely arranged end plates (17) are fixed on the base (1), and between the two end plates (17) A lead screw (18) is rotatably arranged between the two and a guide rail (19) is fixedly arranged, and the lead screw (18) and the guide rail (19) are both arranged along the direction of the connecting line of the two fixing plates (9). , the screw (18) is provided with a sliding seat (20) in a threaded sleeve, the sliding seat (20) is slidingly matched with the guide rail (19), and the lower end surface of the sliding seat (20) is lifted and lowered. In the arc-shaped heating tube (13), a drying motor (21) for driving the rotation of the lead screw (18) is fixed on any of the end plates (17). 3. The helical pipe hydraulic testing machine according to claim 2, characterized in that: a scissor lift (22) is fixed on the lower end surface of the sliding seat (20), and a scissor lift (22) is fixed at the lower end of the slide The arc-shaped heating tube (13). 4. The helical tube hydraulic testing machine according to claim 3, characterized in that: a lift cylinder (23) is fixed on the base (1), and a piston rod of the lift cylinder (23) is fixed with the lift cylinder (23). Lift seat (12). 5. The helical pipe hydraulic testing machine according to claim 1, characterized in that: two rotating cylinders (24) are fixed on the base (1), and the two rotating cylinders (24) are respectively connected with two rotating cylinders (24). Correspondingly, the fixing plate (9) is fixed on the piston rod of the rotating cylinder (24). 6 . The spiral pipe hydraulic testing machine according to claim 1 , wherein two vertical rods ( 25 ) are fixed on the base ( 1 ), and the two vertical rods ( 25 ) are far away from the base. 7 . One end of (1) is hinged with one end of the two transfer rods (14) close to the fixing plate (9) respectively, and a transfer cylinder (26) is hinged on the vertical rod (25), and the transfer cylinder (26) ) of the piston rod is hinged with the end of the transfer rod (14) away from the fixing plate (9). 7. The helical pipe hydraulic testing machine according to claim 1, characterized in that: the lower end faces of the water injection box (3) and the exhaust plate (4) are rotatably provided with a driving wheel (27) and a driven wheel (27). A driving wheel (28), both the driving wheel (27) and the driven wheel (28) are in rolling fit with the sliding guide rail (2), the water filling box (3) and the exhaust plate (4) are Both are fixed with a sliding motor (29) that drives the driving wheel (27) to rotate. 8 . The helical tube hydraulic testing machine according to claim 1 , wherein a water storage tank ( 30 ) is opened on the base ( 1 ), and the water storage tank ( 30 ) is located at two of the sliding guide rails. 9 . (2) between.

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