CN114252212A - Valve pressure test device - Google Patents
Valve pressure test device Download PDFInfo
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- CN114252212A CN114252212A CN202111514554.XA CN202111514554A CN114252212A CN 114252212 A CN114252212 A CN 114252212A CN 202111514554 A CN202111514554 A CN 202111514554A CN 114252212 A CN114252212 A CN 114252212A
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- 238000012360 testing method Methods 0.000 title claims abstract description 249
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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Abstract
The invention relates to the technical field of valve detection, in particular to a valve pressure testing device. Valve pressure testing device includes: the device comprises a first support frame, a second support frame, a jack, an upper blind plate, a lower blind plate, a base, a pressure test main pipe, a pressure test branch pipe, a first connecting piece, a combined pipeline and a pressure test fluid supply device; the base is connected with the bottom of the first support frame, the lower blind plate is connected with the base, the jack is connected between the top of the first support frame and the upper blind plate, and the upper blind plate and the lower blind plate are arranged at intervals; the pressure test main pipe is connected with the second support frame, the number of the pressure test branch pipes is multiple, one end of each pressure test branch pipe is communicated with the pressure test main pipe, and the other end of each pressure test branch pipe is provided with a first connecting piece; the lower blind plate is provided with a fluid inlet, one end of the pressure test main pipe is communicated with the fluid supply device, the other end of the pressure test main pipe is communicated with one end of the combined pipeline, and the other end of the combined pipeline is communicated with the fluid inlet.
Description
Technical Field
The invention relates to the technical field of valve detection, in particular to a valve pressure testing device.
Background
Valve pressure testing is an indispensable construction item in large-scale process installation devices, and the valves of large-scale project installation projects are huge in quantity and various in specifications. The pressure testing device for the jack comprises a support, wherein a lower blind plate is arranged at the bottom end of the support and fixed on the support, the jack is arranged at the upper end of the support, one end of the jack is fixedly connected with the support, the other end of the jack is fixedly connected with an upper blind plate, and a space between the upper blind plate and the lower blind plate is a valve pressure testing area; when the valve is tested, the valve is placed on the lower blind plate, the jack drives the upper blind plate to tightly press and fix the valve, and then the valve is tested by liquid filling. The jack pressure testing device has the problems that the operation process is complex, the jack pressure testing device is suitable for pressure testing of large valves, and the pressure testing efficiency is low for large project installation projects with large valves and various specifications.
Disclosure of Invention
The invention aims to provide a valve pressure testing device, which solves the technical problem of low pressure testing efficiency in large project installation projects with large valves and various specifications in the prior art to a certain extent.
The invention provides a valve pressure testing device, comprising: the device comprises a first support frame, a second support frame, a jack, an upper blind plate, a lower blind plate, a base, a pressure test main pipe, a pressure test branch pipe, a first connecting piece, a combined pipeline and a pressure test fluid supply device; the base is connected with the bottom of the first support frame, the lower blind plate is connected with the base, the jack is connected between the top of the first support frame and the upper blind plate, and the upper blind plate and the lower blind plate are arranged at intervals; the pressure test main pipe is connected with the second support frame, the number of the pressure test branch pipes is multiple, one end of each pressure test branch pipe is communicated with the pressure test main pipe, and the first connecting piece is installed at the other end of each pressure test branch pipe; the lower blind plate is provided with a fluid inlet, one end of the pressure test main pipe is communicated with the fluid supply device, the other end of the pressure test main pipe is communicated with one end of the combined pipeline, and the other end of the combined pipeline is communicated with the fluid inlet.
The large-scale (such as large volume and heavy weight) valve can be fixed on the lower blind plate 50, then the jack drives the upper blind plate to move downwards to tightly press the large-scale valve, so that the large-scale valve is fixed, and the large-scale valve can be stably and reliably fixed by the jack, so that the pressure test accuracy of the large-scale valve can be guaranteed; the small-sized (such as small volume and light weight) valve can be connected with the pressure test branch pipe through the first connecting piece, and the first connecting piece can realize stable connection according to the characteristics of small volume and light weight of the small-sized valve, so that the valve is convenient to mount and dismount; the lower blind plate is provided with a large valve, and meanwhile, when the small valve is arranged on the pressure test branch pipe, the pressure test fluid supply device supplies the pressure test fluid into the pressure test main pipe, and then the pressure test fluid can flow into the pressure test branch pipe from the pressure test main pipe so as to enter the small valve; the valve pressure testing device provided by the invention can realize the simultaneous pressure testing of the large valve and the small valve, namely the simultaneous pressure testing of valves with various specifications and the simultaneous pressure testing of a plurality of valves, thereby greatly improving the pressure testing efficiency. The valve pressure testing device provided by the invention has the advantages that the flexibility and the selectivity are high.
Further, the length direction that the pressure testing was responsible for, the both ends that the pressure testing was responsible for all open the setting, two the opening part all is equipped with the second connecting piece.
Further, a main pressure gauge is arranged on the pressure test main pipe and used for detecting the pressure of fluid in the pressure test main pipe; the valve pressure testing device also comprises a combined valve; the joint valve is disposed on the joint pipe to close or open the joint pipe.
Further, the pressure test fluid supply device comprises a liquid storage tank and a power pump; the inlet of the power pump is communicated with the liquid storage tank, and the outlet of the power pump is communicated with the pressure test main pipe; at least a first valve is arranged on a communicating pipeline of the pressure test main pipe and the power pump.
Further, the pressure test fluid device also comprises an air compressor; the air compressor is communicated with the pressure test main pipe; and a second valve is arranged on a communicating pipeline between the air compressor and the pressure test main pipe.
Further, a total pressure control valve is arranged on a communication pipeline between the pressure test main pipe and the total pressure gauge; and the main pressure test pipe is provided with a main pressure relief valve.
Furthermore, two sides of the pressure test main pipe are respectively communicated with a plurality of pressure test branch pipes, and the plurality of pressure test branch pipes are arranged at intervals along the length direction of the pressure test main pipe.
Further, the second support frame comprises two longitudinal frames, two transverse frames and a plurality of vertical frames; the two longitudinal frames are oppositely arranged, the two transverse frames are oppositely arranged, the transverse frame is connected between the two longitudinal frames, each transverse frame is connected with a plurality of vertical frames, and the vertical frames are arranged at intervals along the length direction of the transverse frame; the longitudinal frame is connected with the pressure test main pipe, the distance between the longitudinal frame and the second connecting piece is 15mm-25mm in the length direction of the pressure test main pipe, the transverse frame is connected with the pressure test branch pipe, and the distance between the transverse frame and the first connecting piece is 15mm-25mm in the length direction of the pressure test branch pipe.
Further, the lower blind plate comprises a first lower blind plate and a second lower blind plate; the first lower blind plate is stacked above the second lower blind plate, a fluid inlet is formed in the center of the first lower blind plate, a first opening is formed in the edge, close to the second lower blind plate, of the first lower blind plate, and a second opening corresponding to the first opening is formed in the edge, close to the first lower blind plate, of the second lower blind plate; the first lower blind plate and the second lower blind plate are welded; the union conduit is in communication with the first opening and the second opening.
Further, the valve pressure testing device also comprises a hanging rail, a stand column and a valve hoisting device; the first support frame with the stand sets up relatively, the one end of hanger rail with first support frame is connected, the other end of hanger rail with the stand is connected, valve hoist device follows the length direction of hanger rail is established in the slip on the hanger rail, the pressure testing is responsible for and is located the below of hanger rail.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
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 description of the embodiments or 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 view of a valve pressure testing device according to an embodiment of the present invention;
FIG. 2 is a front view of a first support bracket and jack of the valve test fitting shown in FIG. 1;
FIG. 3 is a side view of the first support frame and jack shown in FIG. 2;
FIG. 4 is a top view of the first support frame and jack shown in FIG. 2;
FIG. 5 is a front view of a main pressure test pipe and a branch pressure test pipe in the valve pressure test device shown in FIG. 1;
fig. 6 is a plan view of the pressure test main pipe and the pressure test branch pipe shown in fig. 5.
Icon: 10-a first support frame; 20-a second support; 30-a jack; 40-upper blind plate; 50-lower blind plate; 60-a base; 70-pressure test main pipe; 80-pressure test branch pipe; 90-a first connector; 100-a combined conduit; 110-a liquid storage tank; 120-a power pump; 130-an air compressor; 140-a second connector; 150-combination valve; 160-a first valve; 170-a second valve; 180-total pressure gauge; 190-pressure gage bend; 200-total pressure gauge control valve; 210-total pressure relief valve; 220-hanging rail; 230-upright post; 240-moving the hoist; 250-gourd sliding bracelet; 260-gourd lifting bracelet; 270-upper blind plate hanging point; 11-a cross beam; 12-vertical beams; 13-reinforcing ribs; 21-longitudinal frame; 22-a cross frame; 23-vertical frame; 51-first lower blind plate; 52-second lower blind plate.
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.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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", "liquid level", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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.
As shown in fig. 1 to 6, the present invention provides a valve pressure testing device, which includes a first support frame 10, a second support frame 20, a jack 30, an upper blind plate 40, a lower blind plate 50, a base 60, a pressure testing main pipe 70, a pressure testing branch pipe 80, a first connecting piece 90 (for connecting with a valve to be tested), a joint pipe 100 and a pressure testing fluid supply device; the base 60 is connected with the bottom of the first support frame 10, the lower blind plate 50 is connected with the base 60, the jack 30 is connected between the top of the first support frame 10 and the upper blind plate 40, and the upper blind plate 40 and the lower blind plate 50 are arranged at intervals; the pressure test main pipe 70 is connected with the second support frame 20, the number of the pressure test branch pipes 80 is multiple, one end of each pressure test branch pipe 80 is communicated with the pressure test main pipe 70, and the other end of each pressure test branch pipe 80 is provided with a first connecting piece 90; the lower blind plate 50 is provided with a fluid inlet (for communicating with a valve to be tested), one end of the pressure test main pipe 70 is communicated with a fluid supply device, the other end of the pressure test main pipe 70 is communicated with one end of the combined pipeline 100, and the other end of the combined pipeline 100 is communicated with the fluid inlet.
When the valve pressure testing device provided by the embodiment is used, a large-sized (such as large volume and heavy weight) valve can be fixed on the lower blind plate 50, then the jack 30 drives the upper blind plate 40 to move downwards to compress the large-sized valve, so that the large-sized valve is fixed, and the large-sized valve can be stably and reliably fixed through the jack 30, so that the pressure testing accuracy of the large-sized valve can be guaranteed; the small-sized (such as small volume and light weight) valve can be connected with the pressure test branch pipe 80 through the first connecting piece 90, and the first connecting piece 90 can realize stable connection according to the characteristics of small volume and light weight of the small-sized valve, so that the valve is convenient to mount and dismount; a large valve is arranged on the lower blind plate 50, and meanwhile, when a small valve is arranged on the pressure test branch pipe 80, a pressure test fluid supply device supplies a pressure test fluid into the pressure test main pipe 70, and then the pressure test fluid can flow into the pressure test branch pipe 80 from the pressure test main pipe 70 so as to enter the small valve, and meanwhile, the pressure test fluid flows into the joint pipeline 100 from the pressure test main pipe 70 and then enters the fluid inlet from the joint pipeline 100 so as to enter the large valve; then carry out the pressure testing according to the regulation can, the valve pressure testing device that this embodiment provided can realize simultaneously to large-scale valve and small-size valve pressure testing, promptly to multiple specification valve simultaneous pressure testing, also can be to the valve simultaneous pressure testing of a large number, has improved pressure testing efficiency greatly, and small-size valve can realize being connected with pressure testing branch pipe 80 through first connecting piece 90 in addition, and convenient operation can further improve pressure testing efficiency. The pressure testing device can be used for selectively and independently testing the pressure of the large valve and the small valve respectively, the pressure testing branch pipe 80 is blocked when the large valve is tested independently, and the fluid inlet on the lower blind plate 50 is blocked when the small valve is tested independently.
The large valves and the small valves are relative, and the valves with the specification of DN250 or above can be defined as the large valves, and the valves with the specification of below DN250 are defined as the small valves. The main pressure test pipe 70 and the branch pressure test pipes 80 can be used for carrying out pressure test on the valves with the pressure grades below DN250 and within the range of CL150 and CL300, and the jacks 30, the upper blind plates 40 and the lower blind plates 50 can be used for carrying out pressure test on the valves with the residual pressure grades and DN250 and above specifications.
As shown in fig. 5, in addition to any of the above embodiments, further, in the length direction of the main pressure test pipe 70, both ends of the main pressure test pipe 70 are provided with openings, and both the openings are provided with the second connecting members 140.
In this embodiment, make full use of the structure of the main pressure test pipe 70 for the both ends opening of the main pressure test pipe 70 also can install the valve, carries out the pressure test to the valve, can increase the specification and the quantity of pressure test valve, thereby can further improve pressure test efficiency.
Wherein, the first connecting piece 90 and the second connecting piece 140 can both adopt hoops; preferably, the first connecting member 90 and the second connecting member 140 both include a connecting flange and a fastening member, so that the valve to be tested can be more conveniently mounted and dismounted.
As shown in fig. 1, based on the above embodiment, further, the valve pressure testing device further includes a combination valve 150; a joint valve 150 is provided on the joint pipe 100 to close or open the joint pipe 100.
In this embodiment, the union conduit 100 is opened or closed by the union valve 150, that is, the communication line between the main pressure test pipe 70 and the fluid inlet is opened or closed. When the large valve and the small valve are simultaneously tested or the large valve is independently tested, the combined valve 150 is opened to communicate the flow pipeline between the pressure testing main pipe 70 and the fluid inlet; when the small valve is independently tested, the combined valve 150 is closed, the circulation pipeline between the pressure testing main pipe 70 and the fluid inlet is cut off, fluid is prevented from entering the combined pipeline 100, the fluid flowing time is saved, the fluid inlet is prevented from being blocked, the use and the operation are more convenient, and the pressure testing efficiency is further improved.
As shown in fig. 1, based on the above embodiment, further, a master pressure gauge is disposed on the pressure testing main pipe, and the master pressure gauge is used for detecting the fluid pressure in the pressure testing main pipe; the pressure test fluid supply device comprises a liquid storage tank 110 and a power pump 120; an inlet of the power pump 120 is communicated with the liquid storage tank 110, an outlet of the power pump 120 is communicated with the pressure test main pipe 70, and at least a first valve 160 is arranged on a communication pipeline between the power pump 120 and the pressure test main pipe 70 (specifically, the first valve 160 is arranged on the communication pipeline between the power pump 120 and the pressure test main pipe 70, or the first valve 160 is arranged on the communication pipeline between the power pump 120 and the liquid storage tank, and the first valve 160 is arranged on the communication pipeline between the power pump 120 and the pressure test main pipe 70).
In this embodiment, the liquid in the liquid storage tank 110 is pumped into the pressure test main pipe 70 by the power pump 120, so as to enter each valve to be tested, and the liquid strength test of the valve can be completed. Specifically, the method comprises the following steps: when the valve is subjected to the strength test, fluid with a first set pressure (for example, 1.5 times of the design pressure, and the fluid pressure can be obtained through a total pressure gauge) can be filled into the valve, the first valve is closed, then the power pump is closed, and then whether each valve has a leakage condition or not is observed, if the valve has leakage, the valve is unqualified, and if the valve does not have leakage, the valve is qualified.
As shown in fig. 1, based on the above embodiment, further, the pressure testing fluid device further includes an air compressor 130; the air compressor 130 is communicated with the pressure test main pipe 70; a second valve 170 is provided on a communication line between the air compressor 130 and the pressure test main pipe 70.
In this embodiment, air may be introduced into the pressure test main pipe 70 through the air compressor 130, so as to realize a low-pressure sealing test (air pressure test) of the valve to be tested. The first valve 160 can be communicated or cut off a communication pipeline between the liquid storage tank and the pressure test main pipe 70, the second valve 170 can be communicated or cut off, and the conversion of introducing liquid or air into the pressure test main pipe 70 can be realized through the first valve 160 and the second valve 170, so that the operation is convenient and the use is convenient.
Specifically, air with a second set pressure (the second set pressure is smaller than the first set pressure, and both the first set pressure and the second set pressure are greater than the atmospheric pressure, for example, the second set pressure is 0.6 times of the design pressure) is introduced into the pressure test main pipe, and then whether the pressure shown by the total pressure gauge is reduced or not is observed, if the total pressure gauge is unchanged, all valves are qualified; if the pressure shown by the total pressure meter is reduced, the leakage of the valve is indicated, and substances such as soapy water and the like can be coated on all the valves to observe which valve has the leakage.
For valves with upper raft glands (e.g. gate valves), an upper sealing test (also called packing sealing test) is also required during the pressure test.
As an alternative, as shown in fig. 6, a total pressure gauge 180 is communicated with the pressure test main pipe 70, and a total pressure control valve is arranged on a communication pipeline between the pressure test main pipe 70 and the total pressure gauge 180 (the total pressure gauge control valve can be normally opened, and when the total pressure gauge needs to be replaced, the total pressure gauge control valve is closed); the main pressure test pipe 70 is provided with a main pressure relief valve 210.
In this embodiment, after a strength test is performed on a valve (for example, a gate valve), an upper sealing test is performed, and a part of liquid is discharged through a main pressure relief valve to reduce the fluid pressure in the whole valve pressure testing device to a third set pressure (for example, a design pressure), and most of the valves are pressure testing valves, one valve is closed, then a gland of the current valve is unscrewed, whether the current valve leaks or not is observed, if the current valve does not leak, the current valve is qualified, and then the next valve is closed, and the steps are repeated; if the current valve leaks, pumping liquid into the pressure test main pipe through the power pump, keeping the fluid pressure in each valve at a third set pressure, then closing the next valve, unscrewing the gland of the next valve, and observing whether the next valve leaks; and repeating the steps to realize the one-to-one detection of the valves. The upper seal test of a plurality of valves can be realized through total relief valve and total manometer to this embodiment, avoids setting up relief valve and manometer at the jack side of pressure testing branch pipe or union pipe to spare part that can significantly reduce makes whole valve pressure testing device simple structure, reduces the opening moreover, reduces the assembly, thereby reduces the leakage risk of valve pressure testing device itself, makes the leakproofness of valve pressure testing device itself high, and then improves experimental precision.
Specifically, a pressure gauge bend 190 is arranged at the lower end of the total pressure gauge 180, a total pressure gauge control valve 200 is arranged at the lower end of the pressure gauge bend 190, and the total pressure gauge control valve 200 is preferably a needle valve.
As shown in fig. 2 to 4, based on any of the above embodiments, further, the first support frame 10 includes a cross beam 11 and a vertical beam 12; the number of the vertical beams 12 is two, the two vertical beams 12 are welded on the base 60 oppositely, two ends of the cross beam 11 are welded and fixed with the top ends of the two vertical beams 12 respectively, the jack 30 is fixed in the middle of the cross beam 11, and the front side, the left side, the right side and the rear side of the jack 30 are respectively provided with an upper blind plate hoisting point 270 so as to stably hoist the upper blind plate 40.
The first support frame 10 may further include a reinforcing beam 11 and a T-shaped upright 230, wherein the T-shaped upright 230 includes a first leg and a second leg, and the lower end of the first leg is connected with the middle part of the second leg; one end of the reinforcing beam 11 is welded and fixed with the position of the beam 11, which is located at the jack 30, the other end of the reinforcing beam 11 is welded and fixed with the upper end of the first supporting leg, and the second supporting leg is welded and fixed with the base 60.
Reinforcing ribs 13 may be provided between the vertical beams 12 and the base 60 to increase the strength of the first support frame 10.
Wherein, the vertical beam 12 can adopt section steel, for example: h300 x 300T-shaped steel; the cross beam 11 may be made of i-steel, for example: I400I-shaped steel; the reinforcing beam 11 may be made of i-steel, for example: I350I-shaped steel; the T-shaped pillar 230 may be made of H300 × 300. The base 60 may include a frame and a bottom plate disposed on the frame, the frame may include a side section steel frame (may be formed by welding four H300 × 300 section steels end to end), and a longitudinal section steel and a transverse section steel connected in the side section steel frame, and the bottom plate may be a steel plate with a specification of 350 × 16 mm.
The jack 30 may be selected according to specific needs, for example: a 50t hydraulic jack 30 is adopted, the bottom of the jack 30 is fixed at the right lower end of the middle part of the cross beam 11 by adopting 4 clamping plates, and the clamping plates can be made of 12mm steel plates; the oil pipe of the hydraulic jack 30 is coiled down along the upright post 230, and the mechanical part of the hydraulic jack is placed on the base 60.
As shown in fig. 5, in addition to the above embodiment, a plurality of pressure test branch pipes 80 are respectively communicated with both sides of the pressure test main pipe 70, and the plurality of pressure test branch pipes 80 are arranged at intervals along the longitudinal direction of the pressure test main pipe 70.
In this embodiment, the inner diameters of the plurality of pressure test branch pipes 80 on both sides of the pressure test main pipe 70 may be set to different diameters; or the inner diameters of partial pressure test branch pipes 80 are the same, and the inner diameters of partial pressure test branch pipes 80 are different, so that simultaneous pressure test of valves with multiple specifications is realized. For example: the two sides of the pressure test main pipe 70 are provided with four pressure test branch pipes 80, eight pressure test branch pipes 80 are provided with two pressure test branch pipes 80 which are DN150, two pressure test branch pipes 80 which are DN100, one pressure test branch pipe 80 which is DN80, one pressure test branch pipe 80 which is DN50, one pressure test branch pipe 80 which is DN40, and one pressure test branch pipe 80 which is DN20, wherein one end of each pressure test branch pipe 80, which is far away from the pressure test main pipe 70, is connected with a first connecting piece 90 with corresponding specification. The opening of the pressure test main pipe 70 can be DN200, and is correspondingly connected with a connecting flange of the DN 200.
The spacing of the pressure test manifolds can be set as desired, for example: in two connected pressure test branch pipes, one pressure test branch pipe 80 is a first pressure test branch pipe which is connected with a first connecting flange, the other pressure test branch pipe 80 is a second pressure test branch pipe which is connected with a second connecting flange, and the distance between one side of the first connecting flange close to the second connecting flange and one side of the second connecting flange close to the first connecting flange is 95mm-105mm (such as 95mm, 100mm or 105 mm) so as to facilitate the installation and the disassembly of the valve.
As shown in fig. 5 and 6, on the basis of the above embodiment, further, the second supporting frame 20 includes two longitudinal frames 21, two transverse frames 22 and a plurality of vertical frames 23; the two longitudinal frames 21 are oppositely arranged, the two transverse frames 22 are oppositely arranged, the transverse frames 22 are connected between the two longitudinal frames 21, each transverse frame 22 is connected with a plurality of vertical frames 23, and the plurality of vertical frames 23 are arranged at intervals along the length direction of the transverse frame 22; the vertical frame 21 is connected with the main pressure test pipe 70, the distance between the vertical frame 21 and the second connecting piece 140 in the length direction of the main pressure test pipe 70 is 15mm-25mm (for example, 15mm, 16mm, 18mm, 20mm, 21mm, 23mm, 24mm or 25 mm), the valve connected to the second connecting piece 140 can be well supported, the horizontal frame 22 is connected with the branch pressure test pipe 80, the distance between the horizontal frame 22 and the first connecting piece 90 in the length direction of the branch pressure test pipe 80 is 15mm-25mm (for example, 15mm, 16mm, 18mm, 20mm, 21mm, 23mm, 24mm or 25 mm), and the valve connected to the first connecting piece 90 can be well supported.
In this embodiment, one cross frame 22, one longitudinal frame 21, the other cross frame 22, and the other longitudinal frame 21 are welded and fixed end to end in this order, thereby forming a rectangular frame. The number of the upright posts 230 can be set as required, optionally, the number of the upright posts 230 is six, every three upright posts 230 are in one group, two groups of upright posts are located at two sides of the pressure test main pipe 70 respectively, the upright posts 230 can be arranged at four corners of the rectangular frame respectively, the upright post 230 is arranged in the middle of the cross beam 11, and the second support frame 20 is simple and stable in structure.
Both the transverse frame 22 and the longitudinal frame 21 can adopt 16# channel steel. The vertical frame 23 can be made of phi 219 x 6mm seamless steel pipe, and the height of the vertical frame 23 can be set according to the height of the base 60, so that the top of the vertical frame 23 is flush with the top of the base 60.
As shown in fig. 2, based on any of the above embodiments, further, the lower blind plate 50 includes a first lower blind plate 51 and a second lower blind plate 52; the first lower blind plate 51 is stacked above the second lower blind plate 52, the center of the first lower blind plate 51 is provided with a fluid inlet, the edge of the first lower blind plate 51 close to the second lower blind plate 52 (namely, the lower edge of the first lower blind plate 51) is provided with a first notch, and the edge of the second blind plate close to the first lower blind plate 51 (namely, the upper edge of the second lower blind plate 52) is provided with a second notch corresponding to the first notch; the first lower blind plate 51 and the second lower blind plate 52 are welded, and the joint pipe 100 is communicated with the first gap and the second gap.
In this embodiment, the lower edge of the first lower blind plate 51 except the first notch is welded to the lower edge of the second lower blind plate 52 except the second notch, so as to connect and seal the first lower blind plate 51 and the second lower blind plate 52; the joint duct 100 is in communication with a first gap and a second gap, a gap is provided between the first blind plate and the second blind plate, the first gap and the second gap are in communication with the gap, and the gap is in communication with the fluid inlet on the first lower blind plate 51, thereby achieving communication between the joint duct 100 and the fluid inlet. The shape of the first gap and the shape of the second gap may be set according to the shape of the orifice of the joint duct 100, so that the first gap and the second gap are combined and matched with the shape of the orifice of the joint duct 100, and it can be understood that the joint duct 100 may be sealed with the first gap and the second gap by using a sealing means. The lower blind plate 50 structure that this embodiment provided includes blind plate 52 under first blind plate 51 and the second, compares in the whole board of equal thickness, can ensure down the bulk strength of blind plate 50 on the one hand, and on the other hand avoids setting up fluid inlet on whole board, only sets up fluid inlet on first blind plate 51, has reduced the processing degree of difficulty.
The first lower blind plate 51 and the second lower blind plate 52 may each have a thickness of 20mm, and the fluid inlet may have a diameter of 20 mm.
As shown in fig. 1, based on the above embodiment, further, the valve pressure testing device further includes a hanger rail 220, a column 230, and a valve hoisting device; the first support frame 10 is arranged opposite to the upright post 230, one end of the hanger rail 220 is connected with the first support frame 10, the other end of the hanger rail 220 is connected with the upright post 230, the valve hoisting device is arranged on the hanger rail 220 in a sliding manner along the length direction of the hanger rail 220, and the pressure test main pipe 70 is positioned below the hanger rail 220.
In this embodiment, a plurality of valves can be installed on the corresponding pressure test branch pipe 80 or the pressure test main pipe 70 through the valve hoisting device, so that the operation is more convenient, and the pressure test efficiency is further improved.
The hoisting device may include a mobile hoist 240, a hoist sliding bracelet 250, and a hoist lifting bracelet 260.
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. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514554.XA CN114252212A (en) | 2021-12-13 | 2021-12-13 | Valve pressure test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111514554.XA CN114252212A (en) | 2021-12-13 | 2021-12-13 | Valve pressure test device |
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| CN114252212A true CN114252212A (en) | 2022-03-29 |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201332608Y (en) * | 2008-12-29 | 2009-10-28 | 上海市城市建设设计研究院 | Combination module for greening |
| CN202188598U (en) * | 2011-08-09 | 2012-04-11 | 浙江威大机械有限公司 | Air pipe of air cooler |
| CN202274974U (en) * | 2011-08-30 | 2012-06-13 | 中国一冶集团有限公司 | Rapid pressure test apparatus for valve |
| CN202770611U (en) * | 2012-09-05 | 2013-03-06 | 中国化学工程第十四建设有限公司 | Novel industrial valve pressure test system |
| CN203365115U (en) * | 2013-06-14 | 2013-12-25 | 厦门伍纵船舶液压技术有限公司 | Hydraulic valve maintenance comparison test bench |
| CN203502182U (en) * | 2013-09-23 | 2014-03-26 | 中国石油天然气第一建设公司 | Minor-caliber valve pressure testing positioner |
| CN203798510U (en) * | 2014-03-05 | 2014-08-27 | 五冶集团上海有限公司 | Valve water pressure test stand |
| CN104930884A (en) * | 2015-07-03 | 2015-09-23 | 张伟 | Box-type heat exchanger formed by arranging and combining of multiple plates |
| CN105841901A (en) * | 2016-05-11 | 2016-08-10 | 江门市南洋船舶工程有限公司 | Pipe pressure testing apparatus |
| CN205843939U (en) * | 2016-06-30 | 2016-12-28 | 博雷（中国）控制系统有限公司 | Valve pressure test platform |
| CN208012853U (en) * | 2018-03-30 | 2018-10-26 | 中建一局集团安装工程有限公司 | Quick pressure testing device for valve and pressure testing system thereof |
| CN108825932A (en) * | 2018-05-28 | 2018-11-16 | 王惠俊 | Heat supply network heat supply pipeline combines installing type heat-preservation cotton pipe |
| CN110031161A (en) * | 2019-05-14 | 2019-07-19 | 中铁建工集团有限公司 | More specification valve pressure testing devices |
| CN210770922U (en) * | 2019-07-30 | 2020-06-16 | 苏州弘能精密模具有限公司 | Assembled arc-shaped connecting pipeline |
| CN111543302A (en) * | 2017-05-05 | 2020-08-18 | 方松科 | Agricultural greenhouse's cursory breeding device |
| CN212963873U (en) * | 2020-09-25 | 2021-04-13 | 常州市隆金机械有限公司 | Wear-resisting valve detection device |
| CN213209455U (en) * | 2020-10-28 | 2021-05-14 | 中国机械工业第一建设有限公司 | Multifunctional skid-mounted valve pressure test and debugging complete equipment |
| CN213274710U (en) * | 2020-11-24 | 2021-05-25 | 青岛伟隆阀门股份有限公司 | Special valve pressure testing frock of shoulder groove straight flute |
-
2021
- 2021-12-13 CN CN202111514554.XA patent/CN114252212A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201332608Y (en) * | 2008-12-29 | 2009-10-28 | 上海市城市建设设计研究院 | Combination module for greening |
| CN202188598U (en) * | 2011-08-09 | 2012-04-11 | 浙江威大机械有限公司 | Air pipe of air cooler |
| CN202274974U (en) * | 2011-08-30 | 2012-06-13 | 中国一冶集团有限公司 | Rapid pressure test apparatus for valve |
| CN202770611U (en) * | 2012-09-05 | 2013-03-06 | 中国化学工程第十四建设有限公司 | Novel industrial valve pressure test system |
| CN203365115U (en) * | 2013-06-14 | 2013-12-25 | 厦门伍纵船舶液压技术有限公司 | Hydraulic valve maintenance comparison test bench |
| CN203502182U (en) * | 2013-09-23 | 2014-03-26 | 中国石油天然气第一建设公司 | Minor-caliber valve pressure testing positioner |
| CN203798510U (en) * | 2014-03-05 | 2014-08-27 | 五冶集团上海有限公司 | Valve water pressure test stand |
| CN104930884A (en) * | 2015-07-03 | 2015-09-23 | 张伟 | Box-type heat exchanger formed by arranging and combining of multiple plates |
| CN105841901A (en) * | 2016-05-11 | 2016-08-10 | 江门市南洋船舶工程有限公司 | Pipe pressure testing apparatus |
| CN205843939U (en) * | 2016-06-30 | 2016-12-28 | 博雷（中国）控制系统有限公司 | Valve pressure test platform |
| CN111543302A (en) * | 2017-05-05 | 2020-08-18 | 方松科 | Agricultural greenhouse's cursory breeding device |
| CN208012853U (en) * | 2018-03-30 | 2018-10-26 | 中建一局集团安装工程有限公司 | Quick pressure testing device for valve and pressure testing system thereof |
| CN108825932A (en) * | 2018-05-28 | 2018-11-16 | 王惠俊 | Heat supply network heat supply pipeline combines installing type heat-preservation cotton pipe |
| CN110031161A (en) * | 2019-05-14 | 2019-07-19 | 中铁建工集团有限公司 | More specification valve pressure testing devices |
| CN210770922U (en) * | 2019-07-30 | 2020-06-16 | 苏州弘能精密模具有限公司 | Assembled arc-shaped connecting pipeline |
| CN212963873U (en) * | 2020-09-25 | 2021-04-13 | 常州市隆金机械有限公司 | Wear-resisting valve detection device |
| CN213209455U (en) * | 2020-10-28 | 2021-05-14 | 中国机械工业第一建设有限公司 | Multifunctional skid-mounted valve pressure test and debugging complete equipment |
| CN213274710U (en) * | 2020-11-24 | 2021-05-25 | 青岛伟隆阀门股份有限公司 | Special valve pressure testing frock of shoulder groove straight flute |
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