Pipeline pressure testing device

Abstract

The utility model discloses a pipeline pressure testing device, which relates to the field of testing devices and comprises a fixed table, a fixed plate is fixedly arranged on one side of the fixed table, a movable plate is arranged on the other side of the fixed table, fixed adjusting units are arranged on the fixed plate and the movable plate, a pipeline is arranged between the two fixed adjusting units, and a sealing plate is arranged on one side, close to the movable plate, of the fixed plate. A testing unit is arranged on the side, away from the movable plate, of the fixed plate and connected with the sealing plate, and a sliding device is arranged on the other side of the fixed table and connected with the movable plate. The fixing size of the pipeline pressure testing device can be flexibly adjusted according to actual requirements, so that the pipeline pressure testing device is suitable for fixing various pipelines with different pipe diameters, the applicability and the universality of the testing device are improved, the coaxiality between the pipeline and the testing device can be ensured, and the testing precision is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of testing device, concretely is a pipeline pressure testing device. BACKGROUND

[0002] In the pipeline production field, it is crucial to ensure the safe and reliable operation of the pipeline. Therefore, the pipeline needs to undergo strict hydrostatic pressure testing before leaving the factory to evaluate its pressure resistance performance and sealing performance. However, the traditional pipeline pressure testing device has certain limitations in design and function, especially in the fixation of the pipeline. These devices can only adapt to a single pipeline diameter, and the fixed size cannot be flexibly adjusted for pipelines of different diameters, thereby limiting the applicability and versatility of the testing device.

[0003] In actual application, the pipeline diameter produced on the pipeline production line is various, and in order to meet the needs of different customers, pressure testing must be carried out on pipelines of various diameters. However, when fixing the pipeline, the traditional testing device often needs to replace the clamp or adjust the fixing part to realize the fixation of pipelines of different diameters, which not only increases the complexity and time cost of operation, but also needs to re-adjust the concentricity of the pipeline and the testing device, thereby reducing the testing efficiency and easily affecting the accuracy of the test. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a pipeline pressure testing device, the fixed size of the pipeline pressure testing device can be flexibly adjusted according to actual demand, thereby adapting to the fixation of pipelines of various different diameters, improving the applicability and versatility of the testing device, and can ensure the coaxiality between the pipeline and the testing device, thereby ensuring the test precision.

[0005] The above-mentioned optimization structure of the utility model is realized through the following technical scheme: a pipeline pressure testing device, comprising a fixed table, a fixed plate is fixed on one side of the fixed table, an activity board is arranged on the other side of the fixed table, a fixed adjusting unit is arranged on the fixed plate and the activity board, a pipeline is arranged between the two fixed adjusting units, a sealing plate is arranged on the side of the fixed plate close to the activity board, a testing unit is arranged on the side of the fixed plate away from the activity board, the testing unit is connected with the sealing plate, a sliding device is arranged on the other side of the fixed table, and the sliding device is connected with the activity board.

[0006] In some embodiments, the fixed adjusting unit comprises an adjusting motor, an output shaft of the adjusting motor is provided with a worm, the worm is engaged with a rotating wheel, the rotating wheel is further engaged with at least three conical gears arranged in a ring shape, the conical gears are coaxially provided with a drive screw, the drive screw is screwed with a U-shaped connecting block, the connecting block is provided with a clamping block at the other end, the fixed plate and the movable plate are arranged between the clamping block and the rotating wheel, and sliding rails are arranged between the connecting block and the two side faces of the fixed plate and the movable plate.

[0007] In some embodiments, the fixed plate is provided with a boss ring near one side of the test unit, and the boss ring is sleeved with the rotating wheel.

[0008] In some embodiments, the test unit comprises a test rod, the test rod is coaxially arranged with the boss ring, penetrates through the fixed plate, and is connected with the sealing plate.

[0009] In some embodiments, the sealing plate is a circular plate and is coaxially arranged with the test rod.

[0010] In some embodiments, the sliding device comprises a sliding motor, an output shaft of the sliding motor is provided with a sliding screw, the sliding screw is screwed with a sliding block, the top of the sliding block is provided with the movable plate, and a sliding strip is arranged between the sliding block and the fixed table.

[0011] In some embodiments, the sliding strip is two and is symmetrically arranged at the two ends of the sliding screw.

[0012] In some embodiments, the two fixed adjusting units and the pipeline are coaxially arranged.

[0013] In summary, the utility model has the following beneficial effects:

[0014] The pipeline pressure test device realizes rapid and effective fixation of the pipeline through the combination of the fixed adjusting unit and the sliding device, simultaneously performs pressure test on the pipeline through the test unit, is simple and convenient to operate, accurate in test, and improves the pipeline test efficiency; the fixed adjusting unit can adjust the fixed size, thereby being applicable to pipelines of different sizes, and the pipeline and the test unit are coaxially arranged, thereby ensuring test accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural diagram of the utility model;

[0016] Fig. 2 It is a structural diagram of the utility model from another perspective;

[0017] Fig. 3 It is an enlarged view of A of the utility model.

[0018] In the figure: 1, fixed platform; 2, fixed plate; 21, boss ring; 3, movable plate; 4, fixed adjusting unit; 41, adjusting motor; 42, worm; 43, rotating wheel; 44, bevel gear; 45, drive screw; 46, connecting block; 47, clamping block; 48, slide rail; 5, pipeline; 6, sealing plate; 7, test unit; 71, test rod; 8, sliding device; 81, sliding motor; 82, sliding screw; 83, sliding block; 84, slide bar; DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Reference Figs. 1-3 A pipeline pressure testing device, comprising a fixed platform 1, the fixed platform 1 can be used as the basic component of the whole device, plays the role of support and stability, one side of the fixed platform 1 is fixedly provided with a fixed plate 2, which can be welded and fixed, the other side of the fixed platform 1 is provided with a movable plate 3 and a sliding device 8, the sliding device 8 is connected with the movable plate 3, the movable plate 3 can move through the sliding device 8, the fixed plate 2 and the movable plate 3 are both provided with a fixed adjusting unit 4, the fixed size of the fixed adjusting unit 4 can be adjusted according to actual requirements, a pipeline 5 is arranged between the two fixed adjusting units 4, the two fixed adjusting units 4 and the pipeline 5 are coaxially arranged, which can ensure the testing accuracy of the pipeline 5; the fixed plate 2 is provided with a sealing plate 6 close to the movable plate 3, the fixed plate 2 is provided with a test unit 7 away from the movable plate 3, the test unit 7 is connected with the sealing plate 6, the test unit 7 tests the pipeline 5 by sensing the force applied to the sealing plate 6 by the pipeline 5.

[0021] In some embodiments, the fixed adjusting units 4 are respectively mounted on the fixed plate 2 and the movable plate 3, each of the fixed adjusting units 4 comprises an adjusting motor 41, a worm 42, a rotating wheel 43, bevel gears 44, a drive screw 45, a connecting block 46 and a clamping block 47. The output shaft of the adjusting motor 41 is provided with the worm 42, the worm 42 is engaged with the rotating wheel 43, the adjusting motor 41 drives the rotating wheel 43 to rotate by driving the worm 42 to rotate, the rotating wheel 43 can be double-tooth structure, one side of the tooth is engaged with the worm 42, and the other layer of teeth is engaged with at least three bevel gears 44, the three bevel gears 44 are distributed in a ring shape, and the bevel gears 44 are coaxially arranged with the drive screw 45, when the rotating wheel 43 rotates, the bevel gears 44 drive the drive screw 45 to rotate. The drive screw 45 is screwed with a U-shaped connecting block 46, the other end of the connecting block 46 is provided with a clamping block 47, the fixed plate 2 and the movable plate 3 are arranged between the clamping block 47 and the rotating wheel 43, and a sliding rail 48 is arranged between the connecting block 46 and the two side surfaces of the fixed plate 2 and the movable plate 3, so that the connecting block 46 and the clamping block 47 can stably slide on the two side surfaces of the fixed plate 2 and the movable plate 3 respectively, when the drive screw 45 rotates, the connecting block 46 moves linearly along the drive screw 45. The three connecting blocks 46 drive the three clamping blocks 47 to move, so that the size of the clamping ring surrounded by the three clamping blocks 47 increases and decreases, thereby realizing clamping and fixing of the pipeline 5. Since the three clamping blocks 47 move simultaneously, the size of the clamping ring surrounded by the three clamping blocks 47 is always coaxial with the test rod 71 during the change process, thereby ensuring the test accuracy.

[0022] In some embodiments, the fixed plate 2 is provided with a boss ring 21 close to the side of the test unit, the boss ring 21 is sleeved with the rotating wheel 43, which facilitates the rotation of the rotating wheel 43 on the boss ring 21, the test unit 7 comprises a test rod 71, the test rod 71 is coaxially arranged with the boss ring 21, one end of the test rod 71 penetrates through the fixed plate 2 and is connected with the sealing plate 6, the sealing plate 6 can be tightly attached to the end surface of the pipeline 5 to form a sealing structure, and the other end is connected with a force measuring element, the force measuring element is a prior art, which will not be described here; when the pipeline 5 applies a force to the sealing plate 6, the sealing plate 6 will transfer the force to the test rod 71, and the force measuring element will measure the force acting on the test rod 71, thereby realizing the test of the pipeline 5.

[0023] In some embodiments, the sealing plate 6 can be a circular plate and is coaxially arranged with the test rod 71, so that the pipeline 5 is coaxial with the test rod 71, the test rod 71 is more uniformly stressed, and the test accuracy is improved.

[0024] In some embodiments, the sliding device 8 comprises a sliding motor 81, a sliding screw 82, a sliding block 83 and a sliding bar 84, the sliding screw 82 is arranged on the output shaft of the sliding motor 81, the sliding screw 82 is screwed with the sliding block 83, the top of the sliding block 83 is provided with the movable plate 3, the sliding bar 84 is arranged between the sliding block 83 and the fixed table 1, the sliding motor 81 drives the sliding screw 82 to rotate, so that the sliding block 83 moves linearly on the sliding screw 82, and the movable plate 3 is driven to move close to or away from the fixed plate 2, so that the pipe 5 is clamped or released.

[0025] In some embodiments, the sliding bar 84 is two and symmetrically arranged at both ends of the sliding screw 82, so that the sliding block 83 moves stably.

[0026] The specific working principle is as follows:

[0027] When using the utility model, first, the pipe 5 to be tested is hung between the two fixed adjusting units 4, one side of the pipe 5 is placed between the fixed ring composed of the three clamping blocks 47, the adjusting motor 41 on the fixed plate 2 is started, the adjusting motor 41 drives the worm 42 to rotate, the worm 42 drives the rotating wheel 43 to rotate, the rotating wheel 43 drives the driving screw 45 to rotate through the bevel gear 44, the connecting block 46 on the driving screw 45 moves along the driving screw 45 under the guidance of the sliding rail 48, so that the clamping block 47 is driven to move close to the pipe 5 and clamp the pipe 5. One side of the pipe 5 is fixed on the fixed plate 2,

[0028] At the same time, the sliding motor 81 is started, the sliding block 83 moves along the sliding screw 82 under the guidance of the sliding bar 84, so that the movable plate 3 is driven to move close to the fixed plate 2, the two sides of the pipe 5 are respectively tightly fitted with the plate surface of the movable plate 3 and the sealing plate 6, a sealing structure is formed, and the adjusting motor 41 on the movable plate 3 is started, so that the other side of the pipe 5 is fixed on the movable plate 3, so that the pipe 5 is fixed.

[0029] When the pipe 5 is fixed, a certain amount of liquid (which can be water) is filled into the pipe 5, at this time, the pressure change in the pipe 5 is monitored by the test unit 7 to evaluate the pressure resistance and sealing performance of the pipe 5.

[0030] The above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A pipeline pressure testing apparatus, characterized by: The utility model provides a kind of fixed platform (1), the fixed platform (1) one side is fixed with fixed plate (2), the fixed platform (1) other side is equipped with movable plate (3), and fixed plate (2), movable plate (3) It is equipped with fixed adjusting unit (4) on, and two fixed adjusting units (4) are equipped with pipeline (5) between, and fixed plate (2) is equipped with sealing plate (6) close to movable plate (3) side, and fixed plate (2) is equipped with test unit (7) away from movable plate (3) side, and test unit (7) is connected with sealing plate (6), and the other side of fixed platform (1) is equipped with sliding device (8), and sliding device (8) is connected with movable plate (3).

2. A pipe pressure testing apparatus as claimed in claim 1, wherein: The fixed adjusting unit (4) includes an adjusting motor (41), an output shaft of the adjusting motor (41) is provided with a worm (42), the worm (42) is engaged with a rotating wheel (43), the rotating wheel (43) is further engaged with at least three tapered gears (44) distributed in a ring shape, the tapered gears (44) are coaxially provided with a drive screw (45), the drive screw (45) is screwed with a U-shaped connecting block (46), the other end of the connecting block (46) is provided with a clamping block (47), the clamping block (47) and the rotating wheel (43) are provided with the fixed plate (2) and the movable plate (3) therebetween, and the connecting block (46) is provided with a sliding rail (48) between the two side surfaces of the fixed plate (2) and the movable plate (3).

3. A pipe pressure testing apparatus as claimed in claim 2, wherein: The fixed plate (2) is provided with a boss ring (21) close to the test unit, and the boss ring (21) is sleeved with the rotating wheel (43).

4. A pipe pressure testing apparatus as claimed in claim 3, wherein: The test unit (7) includes a test rod (71), the test rod (71) is coaxially arranged with the boss ring (21), penetrates through the fixed plate (2), and is connected with the sealing plate (6).

5. A pipe pressure testing apparatus as claimed in claim 4, wherein: The sealing plate (6) is a circular plate and is coaxially arranged with the test rod (71).

6. A pipe pressure testing apparatus as claimed in claim 1, wherein: The sliding device (8) includes a sliding motor (81), an output shaft of the sliding motor (81) is provided with a sliding screw (82), the sliding screw (82) is screwed with a sliding block (83), the top of the sliding block (83) is provided with the movable plate (3), and the sliding block (83) and the fixed platform (1) are provided with a sliding strip (84) therebetween.

7. A pipe pressure testing apparatus as claimed in claim 6, wherein: The sliding strip (84) is two and symmetrically arranged at both ends of the sliding screw (82).

8. A pipe pressure testing apparatus as claimed in claim 1, wherein: Two fixed adjusting units (4) and the pipeline (5) are coaxially arranged.

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