CN113588442A - Hydrostatic pressure testing machine - Google Patents
Hydrostatic pressure testing machine Download PDFInfo
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- CN113588442A CN113588442A CN202111139528.3A CN202111139528A CN113588442A CN 113588442 A CN113588442 A CN 113588442A CN 202111139528 A CN202111139528 A CN 202111139528A CN 113588442 A CN113588442 A CN 113588442A
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- pipe fitting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a hydrostatic pressure testing machine, which relates to the technical field of conveying pipe fitting detection and comprises a bracket, a pouring and pressing piece, a blind plug, a lifting flow guide platform and a pressure water supply system; the lifting flow guide platform comprises a lifting mechanism and a flow guide workbench; the lifting mechanism is used for driving the diversion workbench to rise or fall, and the detected pipe fitting is fixed on the diversion workbench; the pouring and pressing piece and the blind plugging piece are respectively arranged on the bracket and distributed around the diversion workbench; one port of the detected pipe fitting is connected with the perfusion pressing piece, and the other ports of the detected pipe fitting are connected with the blind plugging piece; the pressure water supply system is connected with the filling and pressing piece, and water liquid with set pressure is introduced into the detected pipe fitting through the filling and pressing piece. The hydrostatic pressure testing device is simple in structure, convenient to popularize and apply, suitable for hydrostatic pressure testing of pipe fittings in different shapes, good in universality and high in detection efficiency.
Description
Technical Field
The invention relates to the technical field of conveying pipe fitting detection, in particular to a hydrostatic testing machine suitable for hydrostatic test inspection of composite pipe fittings.
Background
At present, composite material products are developed into pipelines for conveying corrosive media such as petroleum and chemical agents due to the characteristics of light weight, high strength, corrosion resistance and the like, and the traditional steel products are gradually replaced. According to the requirements of relevant standards, each produced socket glass steel pipeline needs to be subjected to a hydrostatic pressure test in an online manner. The pipe fitting is used as a component of a pipeline, and the hydrostatic pressure test is also required to be carried out on line.
Due to the particularity of the material, the structure and the forming process of the composite material product, the connection mode of the composite material product is different from that of a conventional product, and the conventional hydrostatic pressure detection mode is complex, low in efficiency and poor in universality.
Disclosure of Invention
The invention aims to provide a hydrostatic testing machine to solve at least one technical problem in the prior art.
In order to solve the technical problem, the invention provides a hydrostatic testing machine, which comprises: the device comprises a bracket, a pouring and pressing piece, a blind plug, a lifting flow guide platform and a pressure water supply system;
the lifting flow guide platform comprises a lifting mechanism and a flow guide workbench;
the lifting mechanism is used for driving the diversion workbench to rise or fall, and the detected pipe fitting is fixed on the diversion workbench;
the pouring pressing piece and the blind plugging pieces are respectively arranged on the bracket and distributed around the diversion workbench (namely the pouring pressing piece and the blind plugging pieces are respectively distributed in the circumferential direction of the diversion workbench at intervals);
one port of the detected pipe fitting is connected with the perfusion pressing piece, and the other ports of the detected pipe fitting are connected with the blind plugging piece;
the pressure water supply system is connected with the filling and pressing piece, and water liquid with set pressure is introduced into the detected pipe fitting through the filling and pressing piece.
Further, the number of the blind plugging pieces is multiple; and the plurality of blind plugging pieces are distributed at intervals in the circumferential direction of the flow guide workbench and are used for plugging other ports on the detected pipe fitting.
Common detected pipe fittings comprise linear short joints, 90-degree elbows, 135-degree elbows or tee joints and the like, one port of each detected pipe fitting is connected with the perfusion pressurizing piece and used for inputting hydrostatic pressure, and other ports are called as other ports and need to be plugged by blind plugging pieces.
Further, the blind plugging piece comprises a first blind plugging piece, a second blind plugging piece and a third blind plugging piece, wherein included angles between the first blind plugging piece, the second blind plugging piece and the third blind plugging piece and included angles between the first blind plugging piece, the second blind plugging piece and the third blind plugging piece are respectively 90 degrees, 135 degrees and 180 degrees in the circumferential direction of the diversion workbench.
The pouring pressing piece is matched with one or two or even a plurality of different blind plugging pieces and can be respectively used for detecting detected pipe fittings such as short sections, 90-degree elbows, 135-degree elbows or tee joints.
In order to adapt to the pressure test requirements of different pipes, another embodiment is as follows: the support is provided with an annular rail, the annular rail is arranged along the circumferential direction of the flow guide workbench, and 1-2 blind plugging pieces can be arranged along the annular rail in a sliding mode so as to be matched with pipe fittings at different angles. After the blind plugging piece is arranged at a position in a sliding mode, the blind plugging piece is fixed with the support through fasteners such as screws and bolts.
Further, the blind plug comprises: blind plugging telescoping mechanisms and plugs;
the blind plug telescopic mechanism is used for driving the plug to approach and lean against so as to plug the other ports of the detected pipe fitting.
Further, the perfusion punch includes: a perfusion telescopic mechanism and a perfusion end enclosure;
the perfusion telescopic mechanism is used for driving the perfusion end socket to approach and abut against so as to block one end opening of the detected pipe fitting; and a flow passage used for connecting the inside and the outside of the detected pipe fitting is arranged in the filling seal head, and a water inlet of the flow passage on the outer side of the filling seal head is connected with the pressure water supply system through a pipeline.
Further, the pressing device comprises a pressing piece arranged on the support, the pressing piece abuts against the middle of the detected pipe fitting, and the pressing piece is matched with the blind plugging piece and the pouring pressing piece to fix the detected pipe fitting on a horizontal plane, so that the phenomenon that the detected pipe fitting is pressed by hydrostatic pressure to be separated from the blind plugging piece and/or the pouring pressing piece during a pressurizing test is avoided.
Further, the tightening member includes: the jacking telescopic mechanism and the jacking stop head are tightly pressed; the jacking telescopic mechanism is used for driving the jacking stop head to approach and prop against the detected pipe fitting.
Furthermore, a protective pad made of flexible materials is laid on the abutting end face of the abutting stop head.
Further, the top member is arranged to face the first blind plug;
or the top piece can be movably arranged in the circumferential direction of the flow guide workbench, for example, an annular rail is arranged on the support, the annular rail is arranged in the circumferential direction of the flow guide workbench, and the top piece can be arranged in a sliding manner along the annular rail.
Further, the lifting mechanism is a lead screw lifter;
and/or the telescopic mechanism is a lead screw lifter.
The screw rod lifter comprises a motor and a screw rod transmission mechanism. The screw transmission mechanism comprises a transmission nut and a screw, and the motor drives the transmission nut to rotate so as to push the screw to do telescopic motion.
Further, the pressure water supply system includes a circulation water tank and a pump body; the circulating water tank is annularly arranged below the diversion workbench and is used for receiving the water liquid flowing down from the diversion workbench; and a circulating pipeline is arranged between the circulating water tank and the water inlet of the filling seal head, and the pump body is arranged on the circulating pipeline and used for pumping water liquid into the detected pipe fitting.
Further, the filling end socket comprises a filling water inlet and a pressurizing water inlet; the pump body comprises a filling pump and a pressurizing pump; the water outlet of the filling pump is connected with the filling water inlet through a filling pipeline, and a filling valve is arranged on the filling pipeline; the water outlet of the pressurizing pump is connected with the pressurizing water inlet through a pressurizing pipeline, and a pressurizing valve is arranged on the pressurizing pipeline; the inlets of the filling pump and the pressurizing pump are connected with the circulating water tank through pipelines.
Furthermore, an exhaust port is arranged on the plug, and an exhaust valve is arranged on the exhaust port; more preferably, the exhaust port is provided at the top of the stopper in the height direction.
Further, the support is annular; the lifting diversion platform is arranged in the middle of the ring.
Furthermore, a T-shaped groove is formed in the flow guide workbench. The T-shaped groove is matched with fasteners such as a T-shaped bolt, a pressing plate and the like to fix the pipe fitting on the flow guide workbench. Meanwhile, the T-shaped groove can also be used as a guide groove for guiding water to fall into the circulating water tank.
Place the pipe fitting earlier on water conservancy diversion workstation fixed (T type bolt passes the clamp plate, fastening bolt is fixed), through adjusting lift water conservancy diversion workstation, make the center of pipe fitting align with the center of end cap and filling head, control telescopic machanism and drive end cap and fill the head and push up the pipe fitting, start the filling pump and carry out the water injection, after the air evacuation, close the exhaust valve, close the filling valve, start the pressurizing pump and pressurize, close the pressurizing pump and pressurize the valve when reaching experimental pressure, carry out pressure release and drainage after waiting to reach the dwell time, but the water that flows out flows in circulation tank cyclic utilization.
By adopting the technical scheme, the invention has the following beneficial effects:
the hydrostatic testing machine provided by the invention has the advantages of simple structure, convenience in popularization and application, good universality and high detection efficiency, and is suitable for hydrostatic testing of pipe fittings with different shapes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a hydrostatic testing machine provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view AA (supplemented with a pressurized water supply system) of the hydrostatic tester shown in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
FIG. 4 is a schematic structural view of the plug with an exhaust port;
FIG. 5 is a top view of the ring support of the embodiment;
FIG. 6 is a schematic structural diagram of the lifting diversion platform in the embodiment;
fig. 7 is a schematic structural view of a clamping assembly in an embodiment.
Reference numerals:
1-a pipe fitting; 10-a scaffold; 20-pouring a pressing piece; 21-pouring an end socket; 22-a perfusion telescopic mechanism; 22 a-a perfusion screw elevator; 22 b-a perfusion motor; 30-blind plugs; 30 a-a first blind plug; 30 b-a second blind plug; 30 c-a third blind plug; 31-plug; 32-blind plugging telescoping mechanism; 32 a-blind plugging lead screw lifter; 32 b-blind plugging the motor; 40-a top fastener; 50-lifting and guiding the flow platform; 51-a flow guiding workbench; 52-a lifting mechanism; 51 a-T-shaped slot; 51 b-a guide structure; 60-a pressurized water supply system; 61-a circulating water tank; 62-a perfusion pump; 63-a pressurizing pump; 64-a fill line; 65-pressing the pipeline; 70-a clamping assembly; 71-a support; 72-a puller block; 73-tightening the bolt; 74-fastening bolts; 211-a perfusion water inlet; 212-pressing the water inlet; 311-exhaust port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1-2, the present embodiment provides a hydrostatic testing machine, including: the device comprises a bracket 10, a pouring and pressurizing piece 20, a blind plugging piece 30, a lifting flow guide platform 50 and a pressure water supply system 60;
the lifting diversion platform 50 comprises a lifting mechanism 52 and a diversion workbench 51;
the lifting mechanism 52 is used for driving the diversion workbench 51 to rise or fall, and the detected pipe fitting 1 is fixed on the diversion workbench 51;
the pouring and pressurizing piece 20 and the blind plugging pieces 30 are respectively arranged on the bracket 10 and are arranged around the diversion workbench 51 (namely, the pouring and pressurizing piece 20 and the blind plugging pieces 30 are respectively arranged on the diversion workbench 51 at intervals in the circumferential direction);
one port of the detected pipe fitting 1 is connected with the pouring pressurizing piece 20, and the other port of the detected pipe fitting 1 is connected with the blind plugging piece 30;
the pressure water supply system 60 is connected to the injection and pressurizing unit 20, and a water liquid with a set pressure is introduced into the pipe 1 to be tested through the injection and pressurizing unit 20.
The blind plug 30 comprises: a blind plug telescopic mechanism 32 and a plug 31; the blind plug telescopic mechanism 32 is used for driving the plug 31 to approach and abut against, and further blocking other ports of the detected pipe fitting 1. The blind plug telescoping mechanism 32 specifically comprises a blind plug motor 32b and a blind plug screw lifter 32 a.
The pour punch 20 includes: a perfusion telescopic mechanism 22 and a perfusion end enclosure 21; the perfusion telescopic mechanism 22 is used for driving the perfusion end socket 21 to approach and abut against so as to seal one end opening of the detected pipe fitting 1; a flow passage used for connecting the inside and the outside of the detected pipe fitting 1 is arranged in the filling end socket 21, and a water inlet of the flow passage on the outer side of the filling end socket 21 is connected with the pressure water supply system 60 through a pipeline. The perfusion telescoping mechanism 22 specifically includes a perfusion motor 22b and a perfusion screw elevator 22 a.
The embodiment further preferably further comprises a top tightening member 40 disposed on the bracket 10, wherein the top tightening member 40 abuts against the middle portion of the tested pipe 1, and the top tightening member 40 cooperates with the blind plug 30 and the perfusion pressing member 20 to fix the tested pipe 1 on a horizontal plane, so as to prevent the tested pipe 1 from being pushed by hydrostatic pressure to separate from the blind plug 30 and/or the perfusion pressing member 20 during the pressurization test. The urging member 40 includes: the jacking telescopic mechanism and the jacking stop head are tightly pressed; the jacking telescopic mechanism is used for driving the jacking stop head to approach and prop against the detected pipe fitting 1. And a protective pad made of flexible materials is laid on the abutting end face of the abutting stop head. Similar to the blind plug telescopic mechanism, the jacking telescopic mechanism comprises a motor and a screw rod lifter.
The common detected pipe fitting 1 comprises a straight short joint, a 90-degree elbow, a 135-degree elbow, a tee joint and the like, one port of the detected pipe fitting 1 is connected with the perfusion pressing piece 20 and used for inputting hydrostatic pressure, and the other ports are called other ports and need to be blocked by a blind blocking piece 30.
In this embodiment, the blind plugging members 30 include three first blind plugging members 30a, which respectively form an angle of 90 ° with the pouring and pressurizing member 20 in the circumferential direction of the diversion workbench 51, two second blind plugging members 30b, which respectively form an angle of 135 ° with the pouring and pressurizing member 20, and three third blind plugging members 30c, which respectively form an angle of 180 ° with the pouring and pressurizing member 20.
The perfusion pressing piece 20 is matched with one or two or even a plurality of different blind plugging pieces 30, and can be respectively used for detecting detected pipe fittings 1 such as short joints, 90-degree elbows, 135-degree elbows or tee joints.
In this embodiment, the top member 40 is disposed facing the first blind member 30 a. Thereby better defining and securing a tee, right angle fitting or 135 deg. elbow fitting in the horizontal plane. More preferably, the top member 40 is movably disposed in the circumferential direction of the diversion table 51, for example, an annular rail is disposed on the support 10, the annular rail is disposed along the circumferential direction of the diversion table 51, and the top member 40 is slidably disposed along the annular rail. The top member 40 can be angularly adjusted to be disposed on the extension of the symmetric center line of the pipe 1 to be tested, so as to better limit the pipe 1 to be tested.
In the present embodiment, the lifting mechanism 52 is a screw lifter; the screw rod lifter comprises a lifting motor and a lifting screw rod transmission mechanism.
The screw transmission mechanism is in the prior art, and generally comprises a transmission nut and a screw, wherein a motor drives the transmission nut to rotate, so that the screw is pushed to do telescopic motion.
Further, the pressure water supply system 60 includes a circulation water tank 61 and a pump body; the circulating water tank 61 is annularly arranged below the diversion workbench 51 and is used for receiving the water liquid flowing down from the diversion workbench 51; a circulating pipeline is arranged between the circulating water tank 61 and the water inlet of the filling end socket 21, and the pump body is arranged on the circulating pipeline and used for pumping water liquid into the detected pipe fitting 1.
Further, the filling head 21 comprises a filling water inlet 211 and a pressurizing water inlet 212; the pump body comprises a filling pump 62 and a pressurizing pump 63; the water outlet of the filling pump 62 is connected with the filling water inlet 211 through a filling pipeline 64, and a filling valve (not shown) is arranged on the filling pipeline 64; the water outlet of the pressurizing pump 63 is connected with the pressurizing water inlet 212 through a pressurizing pipeline 65, and a pressurizing valve (not shown) is arranged on the pressurizing pipeline 65.
More preferably, referring to fig. 4, the plug 31 is provided with an exhaust port 311, and an exhaust valve (not shown) is disposed on the exhaust port 311. In the height direction, the exhaust port 311 is arranged at the top of the plug 31, so that all internal gas can be exhausted conveniently, and the interference of the gas on the test pressure detection is eliminated.
Inlets of the priming pump 62 and the pressurizing pump 63 are connected to a drain of the circulation tank 61 through pipes. The circulation tank 61 is provided with a deep groove at a drain port thereof so as to facilitate the collection of water and liquid.
In this embodiment, the support 10 is annular; the lift diversion platform 50 is disposed in the middle of the annulus. The guide table 51 is provided with a T-shaped groove 51 a. The T-shaped groove 51a can be matched with fasteners such as T-shaped bolts and pressure plates to fix the pipe fitting 1 on the flow guiding workbench 51. Meanwhile, the T-shaped groove 51a can also be used as a guide groove for guiding water to fall into the circulation water tank 61. And a guide structure 51b for limiting and guiding the guide workbench 51 in the lifting process is further provided, such as a guide hole vertically arranged and a guide column matched with the guide hole.
During operation, place pipe fitting 1 earlier on water conservancy diversion workstation 51 fixedly (T type bolt passes the clamp plate, fastening bolt is fixed), through adjusting lift water conservancy diversion workstation 51, make the center of pipe fitting 1 align with end cap 31 and the center of filling head 21, control telescopic machanism and drive end cap 31 and fill head 21 and push up pipe fitting 1, start filling pump 62 and carry out the water injection, after the air evacuation, close the air discharge valve, close filling valve, start the pump 63 and suppress, close the pump 63 and suppress the valve when reaching experimental pressure, release and the drainage after reaching the pressurize time, but outflow water inflow circulating water tank 61 cyclic utilization.
More preferably, referring to fig. 7, a clamping assembly 70 for further clamping and fixing the pipe fitting 1 is further included, and the clamping assembly 70 includes a support 71, a jacking block 72, a jacking bolt 73 and a fastening bolt 74; utilize fastening bolt 74 to fix support 71 on water conservancy diversion workstation 51, puller bolt 73 revolves the threaded hole of establishing on support 71, and puller block 72 sets up on the top of puller bolt 73, thereby puller block 72 is the arc-shaped plate be convenient for better with pipe fitting 1 excircle laminating. Wherein it is further preferred that the clamping assemblies 70 are arranged in pairs on both sides of the pipe 1, so as to better secure the pipe 1 by clasping.
The hydrostatic testing machine provided by the invention has the advantages of simple structure, convenience in popularization and application, good universality and high detection efficiency, and is suitable for hydrostatic testing of pipe fittings 1 in different shapes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a hydrostatic testing machine, includes the support, fills and beats casting die and pressure water supply system, a port that is detected the pipe fitting with it beats casting die and is connected, pressure water supply system with it beats casting die and connects, beats casting die through filling and lets in the water liquid of settlement pressure in to being detected the pipe fitting, its characterized in that still includes: blind plugs and lifting flow guide platforms;
the lifting flow guide platform comprises a lifting mechanism and a flow guide workbench;
the lifting mechanism is used for driving the diversion workbench to rise or fall, and the detected pipe fitting is fixed on the diversion workbench;
the pouring and pressing piece and the blind plugging piece are respectively arranged on the bracket and distributed around the diversion workbench; and other ports of the detected pipe fitting are connected with the blind plugging piece.
2. The hydrostatic testing machine of claim 1, wherein the number of the blind plugs is plural; and the plurality of blind plugging pieces are distributed at intervals in the circumferential direction of the flow guide workbench and are used for plugging other ports on the detected pipe fitting.
3. The hydrostatic testing machine of claim 2, wherein the blind plugs include a first blind plug, a second blind plug, and a third blind plug that are angled 90 °, 135 °, and 180 ° from the injection punch in a circumferential direction of the flow guide table, respectively.
4. The hydrostatic testing machine according to claim 1, wherein the support is provided with an annular rail, the annular rail is arranged along the circumferential direction of the flow guide workbench, and 1-2 blind plugging pieces can be arranged along the annular rail in a sliding manner so as to be adapted to pipe fittings at different angles.
5. A hydrostatic testing machine according to claim 1, wherein the blind plug comprises: blind plugging telescoping mechanisms and plugs; the blind plug telescopic mechanism is used for driving the plug to approach and abut against so as to plug the other ports of the detected pipe fitting;
the perfusion pressing member includes: a perfusion telescopic mechanism and a perfusion end enclosure; the perfusion telescopic mechanism is used for driving the perfusion end socket to approach and abut against so as to block one end opening of the detected pipe fitting; and a flow passage used for connecting the inside and the outside of the detected pipe fitting is arranged in the filling seal head, and a water inlet of the flow passage on the outer side of the filling seal head is connected with the pressure water supply system through a pipeline.
6. The hydrostatic testing machine according to claim 1, further comprising a jacking member disposed on the bracket, wherein the jacking member abuts against a middle portion of the detected pipe, and the jacking member is matched with the blind plug member and the perfusion pressing member to fix the detected pipe in a horizontal plane, so that the detected pipe is prevented from being jacked by hydrostatic pressure to be separated from the blind plug member and/or the perfusion pressing member during the pressurization test.
7. A hydrostatic testing machine according to claim 6, characterized in that the top member comprises: the jacking telescopic mechanism and the jacking stop head are tightly pressed; the jacking telescopic mechanism is used for driving the jacking stop head to approach and prop against the detected pipe fitting.
8. The hydrostatic testing machine according to claim 7, wherein a protective pad made of flexible material is laid on the abutting end face of the abutting stop head.
9. A hydrostatic testing machine according to claim 1, characterized in that the pressure water supply system comprises a circulation tank and a pump body; the circulating water tank is annularly arranged below the diversion workbench and is used for receiving the water liquid flowing down from the diversion workbench; and a circulating pipeline is arranged between the circulating water tank and the water inlet of the filling seal head, and the pump body is arranged on the circulating pipeline and used for pumping water liquid into the detected pipe fitting.
10. The hydrostatic testing machine of claim 9, wherein the filling head includes a filling water inlet and a pressurizing water inlet; the pump body comprises a filling pump and a pressurizing pump; the water outlet of the filling pump is connected with the filling water inlet through a filling pipeline, and a filling valve is arranged on the filling pipeline; the water outlet of the pressurizing pump is connected with the pressurizing water inlet through a pressurizing pipeline, and a pressurizing valve is arranged on the pressurizing pipeline.
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| CN202111139528.3A CN113588442B (en) | 2021-09-28 | 2021-09-28 | Hydrostatic pressure testing machine |
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| CN202111139528.3A CN113588442B (en) | 2021-09-28 | 2021-09-28 | Hydrostatic pressure testing machine |
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| CN113588442B CN113588442B (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406625A (en) * | 2022-10-28 | 2022-11-29 | 顶星科技南京有限公司 | Simulation wave motion test device |
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