Hydraulic test device for stainless steel pipe

Abstract

The utility model discloses a hydraulic test device for a stainless steel pipe, which comprises a test platform for mounting a pipe to be tested; the conveying mechanism is used for conveying a hydraulic medium into the pipes to be tested from one ends of the pipes to be tested; the backflow mechanism is used for sealing the other ends of the to-be-tested pipes; the liquid supply mechanism comprises a liquid storage tank and a conveyor, the conveyor is connected with the liquid storage tank and the conveying mechanism and used for conveying the liquid medium in the liquid storage tank to the conveying mechanism, and the conveying mechanism is used for pressurizing the liquid medium conveyed by the conveyor; and the pressing mechanism is used for fixing the plurality of pipes to be tested on the test platform. The beneficial effects of the utility model lie in that the test efficiency and the accuracy of the test result can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid pressure test technical field especially a stainless steel pipe material liquid pressure test device. BACKGROUND

[0002] Stainless steel pipe material is a hollow long strip steel, is used as the pipeline of conveying fluid in large quantities, needs to use liquid pressure test device to carry out liquid pressure test to stainless steel pipeline when stainless steel pipe material produces and processes uses, can only carry out liquid pressure test to single stainless steel pipeline generally to existing liquid pressure test platform, test efficiency is low, and because of different pipe material carries out liquid pressure test at different time, easily leads to individual difference, thereby influence test result's accuracy.

[0003] The existing liquid pressure test platform can only test a single stainless steel pipeline at a time, and the test efficiency is low. Moreover, since different pipe materials are tested at different times, individual differences are likely to occur, thereby affecting the accuracy of the test results. UTILITY MODEL CONTENT

[0004] The utility model provides a stainless steel pipe material liquid pressure test device, can carry out liquid pressure test to multiple stainless steel pipe materials simultaneously, help to improve test efficiency and test result's accuracy.

[0005] The utility model is realized through the following technical schemes.

[0006] A liquid pressure test device for stainless steel pipe material, comprising:

[0007] A test platform for installing the pipe material to be tested;

[0008] A conveying mechanism for conveying hydraulic medium from one end of the plurality of pipe materials to be tested to the inside thereof;

[0009] A backflow mechanism for sealing the other end of the plurality of pipe materials to be tested;

[0010] A liquid supply mechanism comprising a liquid storage tank and a conveyor, the conveyor being connected to the liquid storage tank and the conveying mechanism, for conveying the liquid medium in the liquid storage tank to the conveying mechanism, and the conveying mechanism being used for pressurizing the liquid medium conveyed by the conveyor;

[0011] A pressing mechanism for fixing the plurality of pipe materials to be tested on the test platform.

[0012] As a further improvement of the present invention, the clamping mechanism includes a first fastening component, a second fastening component and a telescopic clamping member. The first fastening component is arranged on the test platform. The upper end of the first fastening component is formed with a plurality of first positioning grooves for positioning the pipe to be tested. The lower end of the second fastening component is formed with a plurality of second positioning grooves that cooperate with the plurality of first positioning grooves. The telescopic clamping member is used to provide a downward clamping force to the second fastening component so that the second fastening component is tightly attached to the first fastening component.

[0013] As a further improvement of the present invention, the telescopic pressing member includes a driving member and a telescopic member, the driving member is used to drive the telescopic member to telescopically move in the vertical direction, the telescopic member is connected to the upper end of the second fastening assembly, and the driving member is fixed on the second fastening assembly and has a spacing distance from the upper end surface of the second fastening assembly in the vertical direction.

[0014] As a further improvement of the present invention, a vertical fixing column is provided on the top of the second fastening assembly, a horizontally arranged fixing plate is fixedly connected to the fixing column, and the driving member is fixedly connected to the fixing plate.

[0015] As a further improvement of the present invention, the telescopic pressing member is configured as a telescopic cylinder.

[0016] As a further improvement of the present invention, the conveying mechanism includes a conveying pipe, the conveying pipe having a first liquid inlet and a plurality of first liquid outlets, the conveying pipe is provided with a pressurizer, the pressurizer is used to pressurize the liquid medium in the conveying pipe, the first liquid inlet is connected to the conveyor, and the first liquid outlet is used to output the hydraulic medium in the conveying pipe

[0017] As a further improvement of the present invention, the reflux mechanism includes a liquid storage tube having multiple second liquid inlets, one end of the liquid storage tube is closed, and the other end has a second liquid outlet, and the liquid storage tube is provided with a control valve for opening or closing the second liquid outlet.

[0018] As a further improvement of the present invention, a return pipe is provided between the liquid storage pipe and the liquid storage tank, and the return pipe is used to transport the hydraulic medium in the liquid storage pipe to the liquid storage tank.

[0019] As a further improvement of the utility model, the connecting mechanism is arranged between the pipe to be tested and the conveying mechanism and the backflow mechanism, the connecting mechanism comprises a sealing pipe and a fixing pipe for fixing the sealing pipe, the fixing pipe is fixed on the test platform, one end of the sealing pipe is connected with the pipe to be tested, and the other end of the sealing pipe is connected with the fixing pipe, the fixing pipe is provided with a conveying port for conveying the liquid medium, one end of the fixing pipe is connected with the sealing pipe, and the other end of the fixing pipe is closed, and the test platform is provided with a positioning seat for fixing the fixing pipe.

[0020] The utility model discloses beneficial effect has:

[0021] The liquid pressure test platform in the utility model can carry out liquid pressure test to the plurality of pipes to be tested simultaneously, on one hand, help to improve the test efficiency, on the other hand, help to improve the consistency and accuracy of test result. BRIEF DESCRIPTION OF DRAWINGS

[0022] The preferred embodiment of the utility model will be described in detail below with the help of the drawings, to help understand the purpose and advantages of the utility model, wherein:

[0023] Figure 1 It is the structure schematic diagram of a stainless steel pipe's liquid pressure test device of the utility model;

[0024] Figure 2 It is the plan view of a stainless steel pipe's liquid pressure test device of the utility model;

[0025] Figure 3 It is Figure 1 The structure schematic diagram of part A. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail below according to the drawings and embodiment.

[0027] In the specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined relative to the structure shown in the drawings, and the words "inner" and "outer" respectively refer to the direction towards or away from the geometric center of a particular component. They are relative concepts, so they may change accordingly according to their different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0028] The embodiment provides a stainless steel pipe liquid pressure test device, which is described with reference to Figures 1-3The utility model relates to a kind of liquid pressure test device for multiple stainless steel pipes, which includes test platform 1 for installing pipe a to be tested, conveying mechanism 2, backflow mechanism 3, liquid supply mechanism 4 and compression mechanism 5, wherein conveying mechanism 2 is used to convey hydraulic medium to the inside of one end of multiple pipe a to be tested, backflow mechanism 3 is used to seal the other end of multiple pipe a to be tested, liquid supply mechanism 4 includes liquid storage tank 41 and conveyor 42, and conveyor 42 is connected to liquid storage tank 41 and conveying mechanism 2, where the conveyor can be a water pump, which can deliver liquid medium in the liquid storage tank 41 to the conveying mechanism 2, and the conveying mechanism 2 can pressurize the liquid medium delivered by the conveyor 42, and compression mechanism 5 is used to fix multiple pipe a to be tested on the test platform 1. When the pipe liquid pressure test is carried out using the test device, multiple pipe a to be tested can be tested simultaneously, which is high in test efficiency and ensures the consistency of test results.

[0029] In the embodiment, reference is made to Figure 3 Compression mechanism 5 includes first fastening assembly 51, second fastening assembly 52 and telescopic compression part, the lower end of first fastening assembly 51 is fixed on test platform 1, the upper end of first fastening assembly 51 is formed with multiple first positioning grooves 511 for positioning and accommodating pipe a to be tested, the lower end of second fastening assembly 52 is formed with multiple second positioning grooves 521 matched with the multiple first positioning grooves 511, and the telescopic compression part is used to provide downward compression force to the second fastening assembly 52 to make the second fastening assembly 52 tightly adhere to the first fastening assembly 51, ensuring the fixation of pipe a to be tested. The shapes of the first positioning grooves 511 and the second positioning grooves 521 match the outer shape of pipe a to be tested, which can be semicircular grooves, ensuring that pipe a to be tested can be clamped in the first positioning grooves 511 and the second positioning grooves 521.

[0030] The telescopic compression part includes driving part 531 and telescopic part 532, driving part 531 is used to drive telescopic part 532 to move up and down in the vertical direction, telescopic part 532 is connected to the upper end of second fastening assembly 52, driving part 531 is fixed above second fastening assembly 52 and has a spacing distance between the upper end face of second fastening assembly 52 in the vertical direction, and when working, driving part 531 drives telescopic part 532 to move downward and abut against the upper end face of second fastening assembly 52 to realize the fixation of pipe a to be tested by compression mechanism 5, or driving part 531 drives telescopic part 532 to move upward to make telescopic part 532 away from second fastening assembly 52, thereby realizing the disassembly of pipe a to be tested.

[0031] In the embodiment, the top of the second fastening assembly 52 is provided with a vertically extending fixing column 55, a horizontally arranged fixing plate 54 is fixedly connected to the outer surface of the driving member 531, the fixing column 55 passes through and is fixedly connected with the fixing plate 54, and the fixing plate 54 is vertically spaced apart from the second fastening assembly 52 at the upper end. This structure can fix the telescopic compression member on the second fastening assembly 52, thereby maintaining the stability of the telescopic compression member, and can also enable the telescopic member 532 to provide a downward compression force to the second fastening assembly 52 when the telescopic member 532 is in telescopic motion.

[0032] In the embodiment, the compression mechanism 5 is provided in a plurality of forms, and the plurality of compression mechanisms 5 are arranged at intervals along the length direction of the pipe to be tested a, thereby improving the structural stability of the pipe to be tested a during the hydraulic test.

[0033] In the embodiment, the telescopic compression member can be a telescopic pneumatic cylinder or a telescopic hydraulic cylinder, both of which can apply a stable compression force to the upper end of the second compression member.

[0034] In the embodiment, the conveying mechanism 2 comprises a transmission pipe 21, the transmission pipe 21 is provided with a first liquid inlet 22 and a plurality of first liquid outlets 23, the first liquid outlets 23 are used to output the hydraulic medium in the transmission pipe 21, the outlet of the conveyor 42 is connected with the first liquid inlet 22, thereby inputting the hydraulic medium into the transmission pipe 21, each first liquid outlet 23 corresponds to one pipe to be tested a, and the two are connected through a pipeline (not shown in the figure), so that the hydraulic medium in the transmission pipe 21 can be conveyed into the pipe to be tested a, and the transmission pipe 21 is provided with a pressure booster 24, the pressure booster 24 is used to pressurize the liquid medium in the transmission pipe 21, so that the liquid medium output by the transmission pipe 21 has sufficient pressure. The pressure booster here can be a booster pump or other pressure boosting equipment capable of pressurizing the liquid medium.

[0035] In the embodiment, the backflow mechanism 3 comprises a liquid storage pipe 31, the liquid storage pipe 31 is provided with a plurality of second liquid inlets 32, one end of the liquid storage pipe 31 is closed, the other end is provided with a second liquid outlet 33, and the liquid storage pipe 31 is connected with a control valve 6 used to open or close the second liquid outlet 33, the second liquid inlets 32 are connected with the pipe to be tested a through a pipeline (not shown in the figure), during the hydraulic test, the control valve 6 is closed, so that the hydraulic medium input by the conveying mechanism 2 can fill the pipe to be tested a, thereby realizing the hydraulic test of the stainless steel pipe.

[0036] Meanwhile, the second liquid outlet 33 of the liquid storage pipe 31 and the liquid storage tank 41 are provided with a backflow pipe, after the hydraulic test is completed, the control valve 6 is opened, the hydraulic medium in the liquid storage pipe 31 is conveyed into the liquid storage tank 41 through the backflow pipe, so that the liquid medium in the liquid storage tank 41 can be reused, thereby reducing the cost of the hydraulic test.

[0037] In this embodiment, referring to Figure 3 A connecting mechanism 7 is provided between the pipe a to be tested and the conveying mechanism 2 and the reflux mechanism 3. The connecting mechanism 7 includes a sealing tube 71 and a fixed tube 72 for fixing the sealing tube 71. The fixed tube 72 is fixed on the test platform 1. One end of the sealing tube 71 is connected to the pipe a to be tested, and the other end is connected to the fixed tube 72. The upper end of the tube body of the fixed tube 72 has a conveying port 711 for transmitting the hydraulic medium. The first liquid outlet 23 and the second liquid inlet 32 ​​can be connected to the conveying port 711 through a pipeline. The structure of the fixed tube 72 here is that one end is connected to the sealing tube 71 and the other end is closed, and a positioning seat 73 for fixing the fixed tube 72 is provided on the test platform 1.

[0038] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above implementation cases, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above implementation cases, or replace some of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the implementation cases of the present invention.

Claims

1. A hydraulic testing device for stainless steel pipes, characterized in that: The utility model relates to a kind of test platform and test method of pipe material, including: Test platform (1) for installing pipe material (a) to be tested; Conveying mechanism (2) for conveying hydraulic medium from one end of a plurality of pipe material (a) to be tested to its inside; Backflow mechanism (3) for sealing the other end of a plurality of pipe material (a) to be tested; Liquid supply mechanism (4) including liquid storage tank (41) and conveyor (42), the conveyor (42) is connected the liquid storage tank (41) and the conveying mechanism (2), for conveying liquid medium in the liquid storage tank (41) to the conveying mechanism (2), the conveying mechanism (2) is used to pressurize the liquid medium conveyed by the conveyor (42); Pressing mechanism (5) for fixing a plurality of pipe material (a) to be tested on the test platform (1).

2. The device for hydrostatic testing of stainless steel pipes according to claim 1, wherein The pressing mechanism (5) includes first fastening assembly (51), second fastening assembly (52) and telescopic pressing piece, the first fastening assembly (51) is arranged on the test platform (1), the upper end of the first fastening assembly (51) is formed with a plurality of first positioning grooves (511) for positioning pipe material (a) to be tested, the lower end of the second fastening assembly (52) is formed with a plurality of second positioning grooves (521) matched with a plurality of first positioning grooves (511), and the telescopic pressing piece is used to provide downward pressing force to the second fastening assembly (52) so that the second fastening assembly (52) is tightly attached to the first fastening assembly (51).

3. The device according to claim 2, wherein The telescopic pressing piece includes driving member (531) and telescopic member (532), the driving member (531) is used to drive the telescopic member (532) to move up and down, the telescopic member (532) is connected to the upper end of the second fastening assembly (52), and the driving member (531) is fixed on the second fastening assembly (52) and has a spacing distance with the upper end surface of the second fastening assembly (52) in the vertical direction.

4. The device according to claim 3, wherein The top of the second fastening assembly (52) is provided with a vertical fixing column (55), the fixing column (55) is fixedly connected with a horizontal fixing plate (54), and the driving member (531) is fixedly connected to the fixing plate (54).

5. The device according to any one of claims 2 to 4, wherein The telescopic pressing piece is telescopic cylinder.

6. The device according to any one of claims 2 to 4, wherein The pressing mechanism (5) is provided in plurality, and a plurality of pressing mechanisms (5) are arranged at intervals along the length direction of pipe material (a) to be tested.

7. The device for hydrostatic testing of stainless steel pipes according to claim 1, wherein The conveying mechanism (2) includes transmission pipe (21), the transmission pipe (21) has first liquid inlet (22) and a plurality of first liquid outlets (23), the transmission pipe (21) is provided with pressure device (24), the pressure device (24) is used to pressurize the liquid medium in the transmission pipe (21), the first liquid inlet (22) is connected with the conveyor (42), and the first liquid outlet (23) is used to output the hydraulic medium in the transmission pipe (21).

8. The device for hydrostatic testing of stainless steel pipes according to claim 1, wherein The backflow mechanism (3) comprises a liquid storage pipe (31) and a plurality of second liquid inlets (32) communicating with the liquid storage pipe (31), one end of the liquid storage pipe (31) is closed, the other end is provided with a second liquid outlet (33), and a control valve (6) for opening or closing the second liquid outlet (33) is arranged on the liquid storage pipe (31).

9. The apparatus according to claim 8, wherein A backflow pipe is arranged between the liquid storage pipe (31) and the liquid storage tank (41), and the backflow pipe is used to transport the hydraulic medium in the liquid storage pipe (31) into the liquid storage tank (41).

10. The device for hydrostatic testing of stainless steel pipes according to claim 1, wherein The connecting mechanism (7) is arranged between the to-be-tested pipe material (a) and the conveying mechanism (2) and the backflow mechanism (3), the connecting mechanism (7) comprises a sealing pipe (71) and a fixing pipe (72) for fixing the sealing pipe (71), the fixing pipe (72) is fixed on the test platform (1), one end of the sealing pipe (71) is connected with the to-be-tested pipe material (a), the other end of the sealing pipe (71) is connected with the fixing pipe (72), the pipe body of the fixing pipe (72) is provided with a conveying port (711) for conveying the hydraulic medium, one end of the fixing pipe (72) is connected with the sealing pipe (71), the other end of the fixing pipe (72) is closed, and the test platform (1) is provided with a positioning seat (73) for fixing the fixing pipe (72).

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