CN115753404A - External pressure detection device for pressure-bearing cylinder and application method of external pressure detection device - Google Patents
External pressure detection device for pressure-bearing cylinder and application method of external pressure detection device Download PDFInfo
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- CN115753404A CN115753404A CN202211363256.XA CN202211363256A CN115753404A CN 115753404 A CN115753404 A CN 115753404A CN 202211363256 A CN202211363256 A CN 202211363256A CN 115753404 A CN115753404 A CN 115753404A
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Abstract
A pressure-bearing cylinder external pressure detection device and a use method thereof are provided, the detection device comprises an outer tank body, a pressure-bearing tank body, a locking cover plate, a connecting flange, a blank plate and a gauge; the outer tank body and the pressure-bearing tank body are both hollow cylindrical, the pressure-bearing tank body is arranged in the outer tank body, and the bottom of the outer tank body is provided with at least one liquid inlet and outlet; the middle part of the locking cover plate is provided with an observation port; one end of the pressure-bearing tank body and one end of the outer tank body are connected with the locking cover plate together, and the other end of the pressure-bearing tank body is connected with the blank plate; the other end of the outer tank body is connected with a connecting flange; the outer tank body, the pressure-bearing tank body, the locking cover plate and the connecting flange are encircled to form a spacing cavity; the gauge comprises a gauge rod and a gauge piston, the gauge piston is in reciprocating sliding fit with the cavity wall of the inner cavity of the pressure-bearing tank body, one end of the gauge rod is connected with the gauge piston, and the other end of the gauge rod penetrates through the observation port and extends outwards. The design not only has accurate test result, but also has safer test process.
Description
Technical Field
The invention relates to a detection device and a using method thereof, belongs to the field of underwater equipment, and particularly relates to a pressure-bearing cylinder external pressure detection device and a using method thereof.
Background
The pipe-shaped underwater device part is complex in shape and large in outline size, is usually produced and manufactured by roll welding of a forged piece or a steel plate for a ship, and the structural strength and the sealing performance of the pipe-shaped underwater device part are directly related to the reliability and the safety of diving operation, so that the simulation of the underwater working environment of the pipe-shaped underwater device part is necessary for testing the external pressure strength and the sealing performance of the pipe-shaped underwater device part.
The invention application with the application number of 202110708662.4 and the application date of 2021, 6 months and 25 days discloses a pipe pressure resistance testing device and a testing method thereof, wherein the device comprises an equipment underframe, a cylinder body, a pipe to be tested and a pipe deformation online metering device, the cylinder body is arranged above the equipment underframe, and a roller is arranged at the position, close to the sealing end position, of the bottom surface in the cylinder body; a flange inner supporting sleeve is fixedly arranged at the opening end of the cylinder body, one end of the pipe to be tested is arranged on the roller, the other end of the pipe to be tested is arranged on the flange inner supporting sleeve, a plug is arranged at one end of the pipe to be tested, and a locking sleeve is arranged at the other end of the pipe to be tested; the locking sleeve and the pipe deformation online metering device are communicated through the first guide pipe and are used for pipe external pressure resistance testing and metering, although the device can be used for deformation testing of tubular parts, the device mainly aims to obtain the deformation of the pipe, cannot completely and truly and intuitively simulate the underwater external pressure working environment, has a certain difference from the actual working condition, and has a deviation in the testing result.
At present, the detection method of the external pressure strength test of the cylinder part adopts an internal pressure test method to approximately replace an external pressure test method, firstly, two ends of the cylinder part to be tested are plugged, then the cylinder is filled with water and exhausted of air, 1.25-1.5 times of external pressure is input to a test value through a hydraulic pump through a water injection hole and is maintained for a certain time, whether the cylinder is deformed and leaked under the internal pressure state is observed, and whether the strength and the tightness of the part meet the use requirements is judged.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of inaccurate test result and potential safety hazard in the test process in the prior art, and provides the pressure-bearing cylinder external pressure detection device and the use method thereof, wherein the test result is accurate, and the test process is safer.
In order to achieve the above purpose, the technical solution of the invention is as follows: the detection device comprises an outer tank body, a pressure-bearing tank body, a locking cover plate, a connecting flange, a blank plate and a gauge; the outer tank body and the pressure-bearing tank body are both hollow cylindrical, the pressure-bearing tank body is arranged in the outer tank body, and the bottom of the outer tank body is provided with at least one liquid inlet and outlet; the middle part of the locking cover plate is provided with an observation port; one end of the pressure-bearing tank body and one end of the outer tank body are connected with the locking cover plate together, and the other end of the pressure-bearing tank body is connected with the blank plate; the other end of the outer tank body is connected with a connecting flange; the outer tank body, the pressure-bearing tank body, the locking cover plate and the connecting flange are encircled to form a spacing cavity;
the gauge comprises a gauge rod and a gauge piston, the gauge piston is in reciprocating sliding fit with the cavity wall of the inner cavity of the pressure-bearing tank body, one end of the gauge rod is connected with the gauge piston, and the other end of the gauge rod penetrates through the observation port and extends outwards.
One end of the outer tank body is provided with a first connecting part, and the other end of the outer tank body is provided with a second connecting part; one end of the pressure-bearing tank body is provided with a third connecting part, the other end is provided with a fourth connecting part,
the first connecting part is provided with a plurality of first through holes along the axial center circumference direction, and the second connecting part is provided with a plurality of second through holes along the axial center circumference direction; the third connecting part is provided with a plurality of third through holes along the axial center circumference direction, and the fourth connecting part is provided with a plurality of fourth through holes along the axial center circumference direction;
a plurality of outer through holes and a plurality of inner through holes are formed in the locking cover plate along the axial center circumference direction of the locking cover plate, the outer through holes are arranged corresponding to the first through holes, and the inner through holes are arranged corresponding to the third through holes;
a plurality of flange through holes are formed in the connecting flange along the axial center of the connecting flange in the circumferential direction, and the flange through holes and the second through holes are arranged correspondingly;
and a plurality of blank plate through holes are formed in the blank plate along the axial center circumference, and the blank plate through holes and the fourth through holes are arranged correspondingly.
A first sealing ring is clamped between the locking cover plate and the outer tank body, and the outer through hole is fixedly connected with the first through hole through a first bolt; a second sealing ring is clamped between the connecting flange and the outer tank body, and the flange through hole and the second through hole are fixedly connected through a plurality of second bolts;
a third sealing ring is clamped between the locking cover plate and the pressure-bearing tank body, and the inner through hole is fixedly connected with the third through hole through a plurality of third bolts; and a fourth sealing ring is clamped between the blank plate and the pressure-bearing tank body, and the blank plate through hole and the fourth through hole are fixedly connected through a plurality of fourth bolts.
And a plurality of sliding assemblies are sleeved on the outer wall of the pressure-bearing tank body between the third connecting part and the fourth connecting part, and the pressure-bearing tank body is in sliding fit with the outer tank body.
The sliding assembly comprises a left half ring and a right half ring, and the left half ring and the right half ring are arranged oppositely and fixedly connected through a fifth bolt; the lower parts of the left half ring and the right half ring are provided with bosses, and the bosses are fixedly connected with pulley pieces.
The pulley part comprises a pulley transverse plate and a pulley vertical plate, the pulley vertical plate is perpendicularly connected with the middle of the pulley transverse plate, a pulley groove is formed in the vertical middle of the pulley vertical plate, a pulley is arranged in the pulley groove, a pulley through hole is formed in the axis of the pulley vertical plate, a pulley shaft is arranged in the pulley through hole in a penetrating mode, and the pulley sleeve is arranged on the pulley shaft.
The bosses are provided with threaded holes corresponding to the two ends of the pulley transverse plate, and sixth bolts are arranged in the threaded holes.
And a plurality of reinforcing rings are arranged on the outer walls of the outer tank body and the pressure-bearing tank body.
One side of the locking cover plate is provided with a plurality of reinforcing ribs and a plurality of hanging lugs.
A use method of a pressure-bearing cylinder external pressure detection device comprises the following steps:
the method comprises the following steps: continuously inputting liquid into the spacing cavity through the liquid inlet and outlet, stopping inputting after the liquid input reaches a preset pressure value, and then maintaining the pressure until the pressure is stable;
step two: and observing the deformation and leakage of the pressure-bearing tank body from the observation port, and carrying out any one of the following operations:
the first operation is as follows: if leakage occurs, checking the leakage position, if the checking result shows that leakage occurs at the sealing positions of the outer tank body, the pressure-bearing tank body, the locking cover plate and the connecting flange, discharging liquid, checking the sealing condition, and returning to the step one; if the investigation result shows that the tank body of the pressure-bearing tank body is leaked, the pressure-bearing tank body does not meet the use requirement, and the detection is finished;
the second operation is as follows: if no leakage occurs, the push-pull gauge rod drives the gauge piston to slide back and forth from one end of the pressure-bearing tank body to the other end, and a plurality of passing tests are carried out; if the gauge piston slides smoothly and no clamp exists (28399), the pressure-bearing tank body meets the use requirement, and the detection is finished; if the gauge piston is blocked in a sliding mode (28399) and is not smooth, the pressure-bearing tank body does not meet the use requirement, and the detection is finished.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to an external pressure detection device of a pressure-bearing cylinder and a using method thereof, wherein the detection device comprises an outer tank body, a pressure-bearing tank body, a locking cover plate, a connecting flange, a blank plate and a gauge; the outer tank body and the pressure-bearing tank body are both hollow cylindrical, the pressure-bearing tank body is arranged in the outer tank body, and the bottom of the outer tank body is provided with at least one liquid inlet and outlet; the middle part of the locking cover plate is provided with an observation port; one end of the pressure-bearing tank body and one end of the outer tank body are connected with the locking cover plate together, and the other end of the pressure-bearing tank body is connected with the blank plate; the other end of the outer tank body is connected with a connecting flange; the outer tank body, the pressure-bearing tank body, the locking cover plate and the connecting flange are encircled to form a spacing cavity; the gauge comprises a gauge rod and a gauge piston, the gauge piston is in reciprocating sliding fit with the cavity wall of the inner cavity of the pressure-bearing tank body, one end of the gauge rod is connected with the gauge piston, and the other end of the gauge rod penetrates through the observation port and extends outwards; the using method comprises the following steps: continuously inputting liquid into the spacing cavity through the liquid inlet and outlet, stopping inputting the liquid after the liquid input reaches a preset pressure value, and maintaining the pressure until the pressure is stable; then observing the deformation and leakage of the pressure-bearing tank body from the observation port, and if the leakage occurs, checking the leakage position; if no leakage occurs, pushing and pulling the gauge to perform passing tests for a plurality of times; this design is in using, simulate the environment under water through pouring into high-pressure liquid and carry out the external pressure test, can simulate different pressures according to the different degree of depth, through the state of observing the jar body, can learn the deformation of the jar body and reveal the condition, then carry out the passability through the gauge and test and verify whether the deformation of the jar body is within the tolerance value, the test result is comparatively accurate, and under the high-pressure condition, the pressure-bearing jar body is broken, also have the outer jar body to block, avoid the potential safety hazard in the testing process, the testing process is comparatively safe. Therefore, the invention not only has accurate test result, but also has safer test process.
2. In the pressure-bearing cylinder external pressure detection device and the use method thereof, a plurality of sliding assemblies are sleeved on the outer wall of the pressure-bearing tank body between the third connecting part and the fourth connecting part, and the pressure-bearing tank body is in sliding fit with the outer tank body; in the application of the design, the tubular part is longer, the sliding assembly is arranged, the pressure-bearing tank body can be conveniently pushed into the outer tank body, the concentricity between the pressure-bearing tank body and the outer tank body is adjusted by adjusting the sliding assembly, and the detection error is reduced. Therefore, the invention not only has convenient operation, but also has accurate detection result.
3. In the pressure-bearing cylinder external pressure detection device and the using method thereof, high pressure is injected into the spacing cavity to simulate the pressure condition of the pressure-bearing tank body under water, then the deformation of the tank body is observed, under the high pressure condition, if visible deformation and leakage occur, visual observation is also the most intuitive under the actual working condition, the deformation is in accordance with the actual condition, if visible deformation and leakage do not occur, a passing test is carried out, as a certain tolerance exists between the gauge piston and the pressure-bearing tank body, the deformation within the expected tolerance range is acceptable, the test result is more accurate, in the test process, the test operation is carried out outside the tank body, and the outer tank body blocks, the potential safety hazard in the test process is smaller. Therefore, the invention not only has accurate test result, but also has safer test process.
Drawings
FIG. 1 is a schematic view of the structure of the detecting device of the present invention.
Fig. 2 is a schematic diagram of an explosive structure of the detection device of the present invention.
FIG. 3 is a sectional view of the detecting unit of the present invention.
Fig. 4 is a schematic view of the structure of the sliding unit according to the present invention.
Fig. 5 is a schematic view of the structure of the slider in the present invention.
In the figure: the outer tank body 1, the compartment 11, the first connecting part 12, the second connecting part 13, the first through hole 14, the second through hole 15, the liquid inlet and outlet 16, the pressure-bearing tank body 2, the third connecting part 22, the fourth connecting part 23, the third through hole 24, the fourth through hole 25, the locking cover plate 3, the outer through hole 31, the inner through hole 32, the first seal ring 33, the first bolt 34, the third seal ring 35, the third bolt 36, the viewing port 37, the reinforcing rib 38, the lug 39, the connecting flange 4, the flange through hole 41, the second seal ring 42, the second bolt 43, the blank plate 5, the blank plate through hole 51, the fourth seal ring 52, the fourth bolt 53, the gauge 6, the gauge rod 61, the gauge piston 62, the sliding component 7, the left half ring 71, the right half ring 72, the fifth bolt 73, the boss 74, the pulley piece 75, the pulley transverse plate 751, the pulley 752, the pulley groove 753, the pulley through hole 754, the pulley shaft 755, the pulley 756, the threaded hole 76, the sixth bolt 77, the reinforcing ring 8 and the base 9.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description of the invention.
Referring to fig. 1-5, the detection device for the pressure-bearing cylinder external pressure comprises an outer tank body 1, a pressure-bearing tank body 2, a locking cover plate 3, a connecting flange 4, a blank plate 5 and a gauge 6; the outer tank body 1 and the pressure-bearing tank body 2 are both hollow cylindrical, the pressure-bearing tank body 2 is arranged inside the outer tank body 1, and the bottom of the outer tank body 1 is provided with at least one liquid inlet and outlet 16; the middle part of the locking cover plate 3 is provided with an observation port 37; one end of the pressure-bearing tank body 2 and one end of the outer tank body 1 are connected with the locking cover plate 3 together, and the other end of the pressure-bearing tank body 2 is connected with the blank plate 5; the other end of the outer tank body 1 is connected with a connecting flange 4; the outer tank body 1, the pressure-bearing tank body 2, the locking cover plate 3 and the connecting flange 4 are encircled to form a spacing cavity 11;
the gauge 6 comprises a gauge rod 61 and a gauge piston 62, the gauge piston 62 is in reciprocating sliding fit with the cavity wall of the inner cavity 21 of the pressure-bearing tank 2, one end of the gauge rod 61 is connected with the gauge piston 62, and the other end of the gauge rod penetrates through the observation port 37 and extends outwards.
One end of the outer tank body 1 is provided with a first connecting part 12, and the other end is provided with a second connecting part 13; one end of the pressure-bearing tank body 2 is provided with a third connecting part 22, the other end is provided with a fourth connecting part 23,
the first connecting part 12 is provided with a plurality of first through holes 14 along the axial center circumference direction, and the second connecting part 13 is provided with a plurality of second through holes 15 along the axial center circumference direction; the third connecting part 22 is provided with a plurality of third through holes 24 along the axial center circumference direction, and the fourth connecting part 23 is provided with a plurality of fourth through holes 25 along the axial center circumference direction;
a plurality of outer through holes 31 and a plurality of inner through holes 32 are formed in the locking cover plate 3 along the axial center circumference direction, the outer through holes 31 are arranged corresponding to the first through holes 14, and the inner through holes 32 are arranged corresponding to the third through holes 24;
a plurality of flange through holes 41 are formed in the connecting flange 4 along the axial center circumference, and the flange through holes 41 are arranged corresponding to the second through holes 15;
the blank plate 5 is provided with a plurality of blank plate through holes 51 along the axial center circumference, and the blank plate through holes 51 and the fourth through holes 25 are correspondingly arranged.
A first sealing ring 33 is clamped between the locking cover plate 3 and the outer tank body 1, and the outer through hole 31 is fixedly connected with the first through hole 14 through a first bolt 34; a second sealing ring 42 is clamped between the connecting flange 4 and the outer tank body 1, and the flange through hole 41 and the second through hole 15 are fixedly connected through a plurality of second bolts 43;
a third sealing ring 35 is clamped between the locking cover plate 3 and the pressure-bearing tank body 2, and the inner through hole 32 and the third through hole 24 are fixedly connected through a plurality of third bolts 36; a fourth sealing ring 52 is clamped between the blank plate 5 and the pressure-bearing tank body 2, and the blank plate through hole 51 is fixedly connected with the fourth through hole 25 through a plurality of fourth bolts 53.
The outer wall of the pressure-bearing tank body 2 between the third connecting part 22 and the fourth connecting part 23 is sleeved with a plurality of sliding assemblies 7, and the pressure-bearing tank body 2 is in sliding fit with the outer tank body 1.
The sliding assembly 7 comprises a left half ring 71 and a right half ring 72, wherein the left half ring 71 and the right half ring 72 are arranged oppositely and fixedly connected through a fifth bolt 73; bosses 74 are arranged on the lower portions of the left half ring 71 and the right half ring 72, and pulley pieces 75 are fixedly connected to the bosses 74.
The pulley piece 75 comprises a pulley transverse plate 751 and a pulley vertical plate 752, the pulley vertical plate 752 is vertically connected with the middle of the pulley transverse plate 751, a pulley groove 753 is formed in the vertical middle of the pulley vertical plate 752, a pulley 756 is arranged in the pulley groove 753, a pulley through hole 754 is formed in the axis of the pulley vertical plate 752, a pulley shaft 755 penetrates through the pulley through hole 754, and the pulley 756 is sleeved on the pulley shaft 755.
The bosses 74 are provided with threaded holes 76 corresponding to the two ends of the pulley transverse plate 751, and the threaded holes 76 are provided with sixth bolts 77.
And a plurality of reinforcing rings 8 are arranged on the outer walls of the outer tank body 1 and the pressure-bearing tank body 2.
One side of the locking cover plate 3 is provided with a plurality of reinforcing ribs 38 and a plurality of hanging lugs 39.
A use method of a pressure-bearing cylinder external pressure detection device comprises the following steps:
the method comprises the following steps: continuously inputting liquid into the compartment 11 through the liquid inlet/outlet 16, stopping inputting after the liquid input reaches a preset pressure value, and then maintaining the pressure until the pressure is stable;
step two: observing the deformation and leakage of the pressure-bearing tank body 2 from the observation opening 37, and carrying out any one of the following operations:
the first operation is: if leakage occurs, checking the leakage position, if the checking result shows that leakage occurs at the sealing positions of the outer tank body 1, the pressure-bearing tank body 2, the locking cover plate 3 and the connecting flange 4, discharging liquid, checking the sealing condition, and returning to the step one; if the investigation result shows that the tank body of the pressure-bearing tank body 2 is leaked, the pressure-bearing tank body 2 does not meet the use requirement, and the detection is finished;
the second operation is as follows: if no leakage occurs, the push-pull gauge rod 61 drives the gauge piston 62 to slide back and forth from one end to the other end of the pressure-bearing tank body 2, and a plurality of passing tests are carried out; if the gauge piston 62 slides smoothly and no clamping exists between 28399and the pressure-bearing tank body 2 meets the use requirements, and the detection is finished; if the gauge piston 62 is blocked in a sliding way (28399) and is not smooth, the pressure-bearing tank body 2 does not meet the use requirement, and the detection is finished.
The principle of the invention is illustrated as follows:
in the invention, one end of an outer tank body 1 and one end of a pressure-bearing tank body 2 are connected with a locking cover plate 3 together, the other end of the pressure-bearing tank body 2 is provided with a blank plate 5, the pressure-bearing tank body 2 is arranged in the outer tank body 1, and the blank plate 2 has a certain distance from a connecting flange 4 at the other end of the outer tank body 1, so that the tank body detection device can adapt to tank bodies with different length specifications and the applicability of the detection device is improved.
Example 1:
referring to fig. 1-5, the detection device for the pressure-bearing cylinder external pressure comprises an outer tank body 1, a pressure-bearing tank body 2, a locking cover plate 3, a connecting flange 4, a blank plate 5 and a gauge 6; the outer tank body 1 and the pressure-bearing tank body 2 are both hollow cylindrical, the pressure-bearing tank body 2 is arranged inside the outer tank body 1, and the bottom of the outer tank body 1 is provided with at least one liquid inlet and outlet 16; the middle part of the locking cover plate 3 is provided with an observation port 37; one end of the pressure-bearing tank body 2 and one end of the outer tank body 1 are connected with the locking cover plate 3 together, and the other end of the pressure-bearing tank body 2 is connected with the blank plate 5; the other end of the outer tank body 1 is connected with a connecting flange 4; the outer tank body 1, the pressure-bearing tank body 2, the locking cover plate 3 and the connecting flange 4 are encircled to form a spacing cavity 11; the gauge 6 comprises a gauge rod 61 and a gauge piston 62, the gauge piston 62 is in reciprocating sliding fit with the cavity wall of the inner cavity 21 of the pressure-bearing tank 2, one end of the gauge rod 61 is connected with the gauge piston 62, and the other end of the gauge rod extends through the observation port 37 and outwards (preferably, the axes of the outer tank 1, the pressure-bearing tank 2, the gauge rod 61 and the gauge piston 62 are on the same horizontal line and are parallel to the horizontal plane).
A use method of a pressure-bearing cylinder external pressure detection device comprises the following steps:
the method comprises the following steps: continuously inputting liquid into the compartment 11 through the liquid inlet/outlet 16, stopping inputting the liquid after the liquid input reaches a preset pressure value, and then maintaining the pressure until the pressure is stable;
step two: observing the deformation and leakage of the pressure-bearing tank body 2 from the observation opening 37, and carrying out any one of the following operations:
the first operation is as follows: if leakage occurs, checking the leakage position, if the checking result shows that leakage occurs at the sealing positions of the outer tank body 1, the pressure-bearing tank body 2, the locking cover plate 3 and the connecting flange 4, discharging liquid, checking the sealing condition, and returning to the step one; if the investigation result shows that the tank body of the pressure-bearing tank body 2 is leaked, the pressure-bearing tank body 2 does not meet the use requirement, and the detection is finished;
the second operation is as follows: if no leakage occurs, the push-pull gauge rod 61 drives the gauge piston 62 to slide back and forth from one end to the other end of the pressure-bearing tank body 2, and a plurality of passing tests are carried out; if the gauge piston 62 slides smoothly and is not clamped \28399, the pressure-bearing tank body 2 meets the use requirement, and the detection is finished; if the gauge piston 62 is blocked in a sliding manner (28399) and is not smooth, the pressure-bearing tank body 2 does not meet the use requirement, and the detection is finished.
In application, firstly, the connecting flange 4 is connected with the outer tank body 1, the blank plate 5 is connected with the pressure-bearing tank body 2, then the gauge piston 62 is placed in the pressure-bearing tank body 2, the pressure-bearing tank body 2 is placed in the outer tank body 1, the pressure-bearing tank body 2 is connected with the outer tank body 1 through the locking cover plate 3, and the installation work of the detection device is completed; during detection, liquid is continuously input into the compartment 11 through the liquid inlet and outlet 16, the liquid input stops after reaching a preset pressure value, then pressure is maintained until the pressure is stable, then deformation and leakage of the pressure-bearing tank body 2 are observed from the observation port 37, if leakage occurs, the leakage position is checked, and if leakage does not occur, the gauge rod 61 extends into the observation port 37 to be connected with the gauge piston 62, and a passing test is performed.
Example 2:
the basic contents are the same as example 1, except that:
one end of the outer tank body 1 is provided with a first connecting part 12, and the other end is provided with a second connecting part 13; one end of the pressure-bearing tank body 2 is provided with a third connecting part 22, the other end of the pressure-bearing tank body is provided with a fourth connecting part 23, the first connecting part 12 is provided with a plurality of first through holes 14 along the axial center circumference direction, and the second connecting part 13 is provided with a plurality of second through holes 15 along the axial center circumference direction; the third connecting part 22 is provided with a plurality of third through holes 24 along the axial center circumference, and the fourth connecting part 23 is provided with a plurality of fourth through holes 25 along the axial center circumference; a plurality of outer through holes 31 and a plurality of inner through holes 32 are formed in the locking cover plate 3 along the axial center circumference direction, the outer through holes 31 are arranged corresponding to the first through holes 14, and the inner through holes 32 are arranged corresponding to the third through holes 24; a plurality of flange through holes 41 are formed in the connecting flange 4 along the axial center circumference, and the flange through holes 41 are arranged corresponding to the second through holes 15; a plurality of blank plate through holes 51 are formed in the circumferential direction of the axis of the blank plate 5, and the blank plate through holes 51 and the fourth through hole 25 are arranged correspondingly; a first sealing ring 33 is clamped between the locking cover plate 3 and the outer tank body 1, and the outer through hole 31 is fixedly connected with the first through hole 14 through a first bolt 34; a second sealing ring 42 is clamped between the connecting flange 4 and the outer tank body 1, and the flange through hole 41 and the second through hole 15 are fixedly connected through a plurality of second bolts 43; a third sealing ring 35 is clamped between the locking cover plate 3 and the pressure-bearing tank body 2, and the inner through hole 32 and the third through hole 24 are fixedly connected through a plurality of third bolts 36; a fourth sealing ring 52 is clamped between the blank plate 5 and the pressure-bearing tank body 2, and the blank plate through hole 51 and the fourth through hole 25 are fixedly connected through a plurality of fourth bolts 53.
In application, the components are fastened through bolts, a sealing ring is clamped between the components, the sealing performance between the components can be further enhanced, the sealing condition between the components can be detected in the testing process, and if the sealing condition does not meet the requirement, the sealing condition can be adjusted.
Example 3:
the basic content is the same as that of the embodiment 2, except that:
a plurality of sliding assemblies 7 (preferably, at least 2 sliding assemblies are arranged at two ends of the pressure-bearing tank body 2 respectively) are sleeved on the outer wall of the pressure-bearing tank body 2 between the third connecting part 22 and the fourth connecting part 23, and the pressure-bearing tank body 2 is in sliding fit with the outer tank body 1; the sliding assembly 7 comprises a left half ring 71 and a right half ring 72, wherein the left half ring 71 and the right half ring 72 are arranged oppositely and fixedly connected through a fifth bolt 73; bosses 74 (preferably, at least 2) are arranged on the upper portions or the lower portions of the left half ring 71 and the right half ring 72, and pulley members 75 are fixedly connected to the bosses 74; the pulley piece 75 comprises a pulley transverse plate 751 and a pulley vertical plate 752, the pulley vertical plate 752 is vertically connected with the middle of the pulley transverse plate 751, a pulley groove 753 is formed in the vertical middle of the pulley vertical plate 752, a pulley 756 is arranged in the pulley groove 753, a pulley through hole 754 is formed in the axis of the pulley vertical plate 752, a pulley shaft 755 penetrates through the pulley through hole 754, and the pulley 756 is sleeved on the pulley shaft 755.
In application, the sliding assembly 7 is convenient for pushing the pressure-bearing tank body 2 into the outer tank body 1, and the height of the sliding assembly 7 can be adjusted to ensure that the pressure-bearing tank body 2 is positioned at the center of the outer tank body 1, so that the pressure around the pressure-bearing tank body 2 is uniform.
Example 4:
the basic contents are the same as example 3, except that:
the bosses 74 are provided with threaded holes 76 corresponding to the two ends of the pulley transverse plate 751, and the threaded holes 76 are provided with sixth bolts 77.
In application, the sixth bolt 77 is screwed in and out to be in contact with the inner wall of the outer tank body 1, so that the concentricity of the pressure-bearing tank body 2 and the outer tank body 1 can be adjusted, and the function of supporting the pressure-bearing tank body 2 is achieved.
Example 5:
the basic contents are the same as example 4, except that:
the outer walls of the outer tank body 1 and the pressure-bearing tank body 2 are both provided with a plurality of reinforcing rings 8; one side of the locking cover plate 3 is provided with a plurality of reinforcing ribs 38 and hanging lugs 39.
In application, the reinforcing ring 8 and the reinforcing ribs 38 both play a role in reinforcing the overall structural strength of the tank body, and the hanging lugs 39 are used for facilitating hoisting; the first connecting part (12) and the second connecting part (13) are reinforcing rings, the third connecting part 22 and the fourth connecting part 23 are larger than other reinforcing rings 8 on the pressure-bearing tank body 2, so that the pressure-bearing tank body is conveniently connected with a detection device by drilling holes on the pressure-bearing tank body, and after detection is finished, the pressure-bearing tank body is machined to be consistent with other reinforcing rings 8, and the self structure of the pressure-bearing tank body 2 is reasonably utilized.
Example 6:
the basic contents are the same as those of the embodiment 5, except that:
the both ends of outer jar of body 1 all are provided with base 9, base 9 is fixed in subaerially.
In application, the outer tank body 1 is placed on the base 9 to be parallel to the ground so as to ensure stability in the detection process.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (10)
1. The utility model provides a pressure-bearing barrel external pressure detection device which characterized in that: the detection device comprises an outer tank body (1), a pressure-bearing tank body (2), a locking cover plate (3), a connecting flange (4), a blank plate (5) and a gauge (6); the outer tank body (1) and the pressure-bearing tank body (2) are both hollow cylindrical, the pressure-bearing tank body (2) is arranged in the outer tank body (1), and the bottom of the outer tank body (1) is provided with at least one liquid inlet and outlet (16); the middle part of the locking cover plate (3) is provided with an observation port (37); one end of the pressure-bearing tank body (2) and one end of the outer tank body (1) are connected with the locking cover plate (3) together, and the other end of the pressure-bearing tank body (2) is connected with the blank plate (5); the other end of the outer tank body (1) is connected with a connecting flange (4); the outer tank body (1), the pressure-bearing tank body (2), the locking cover plate (3) and the connecting flange (4) are encircled to form a spacing cavity (11);
the gauge (6) comprises a gauge rod (61) and a gauge piston (62), the gauge piston (62) is in reciprocating sliding fit with the cavity wall of the inner cavity (21) of the pressure-bearing tank body (2), one end of the gauge rod (61) is connected with the gauge piston (62), and the other end of the gauge rod penetrates through the observation port (37) and extends outwards.
2. The pressure-bearing cylinder external pressure detection device according to claim 1, characterized in that:
one end of the outer tank body (1) is provided with a first connecting part (12), and the other end is provided with a second connecting part (13); one end of the pressure-bearing tank body (2) is provided with a third connecting part (22), the other end is provided with a fourth connecting part (23),
the first connecting part (12) is provided with a plurality of first through holes (14) along the axial center circumference direction, and the second connecting part (13) is provided with a plurality of second through holes (15) along the axial center circumference direction; the third connecting part (22) is provided with a plurality of third through holes (24) along the axial center circumference direction, and the fourth connecting part (23) is provided with a plurality of fourth through holes (25) along the axial center circumference direction;
a plurality of outer through holes (31) and a plurality of inner through holes (32) are formed in the locking cover plate (3) along the axial center circumference, the outer through holes (31) are arranged corresponding to the first through holes (14), and the inner through holes (32) are arranged corresponding to the third through holes (24);
a plurality of flange through holes (41) are formed in the connecting flange (4) along the axial center circumference of the connecting flange, and the flange through holes (41) are arranged corresponding to the second through holes (15);
the blank plate (5) is provided with a plurality of blank plate through holes (51) along the axial center circumference, and the blank plate through holes (51) and the fourth through holes (25) are arranged correspondingly.
3. The pressure-bearing cylinder external pressure detection device according to claim 2, characterized in that:
a first sealing ring (33) is clamped between the locking cover plate (3) and the outer tank body (1), and the outer through hole (31) is fixedly connected with the first through hole (14) through a first bolt (34); a second sealing ring (42) is clamped between the connecting flange (4) and the outer tank body (1), and the flange through hole (41) is fixedly connected with the second through hole (15) through a plurality of second bolts (43);
a third sealing ring (35) is clamped between the locking cover plate (3) and the pressure-bearing tank body (2), and the inner through hole (32) is fixedly connected with the third through hole (24) through a plurality of third bolts (36); a fourth sealing ring (52) is clamped between the blank plate (5) and the pressure-bearing tank body (2), and the blank plate through hole (51) and the fourth through hole (25) are fixedly connected through a plurality of fourth bolts (53).
4. The pressure-bearing cylinder external pressure detection device according to claim 3, characterized in that:
the outer wall of the pressure-bearing tank body (2) between the third connecting part (22) and the fourth connecting part (23) is sleeved with a plurality of sliding assemblies (7), and the pressure-bearing tank body (2) is in sliding fit with the outer tank body (1).
5. The pressure-bearing cylinder external pressure detection device according to claim 4, characterized in that:
the sliding assembly (7) comprises a left half ring (71) and a right half ring (72), the left half ring (71) and the right half ring (72) are arranged oppositely and fixedly connected through a fifth bolt (73); bosses (74) are arranged on the lower portions of the left half ring (71) and the right half ring (72), and pulley pieces (75) are fixedly connected to the bosses (74).
6. The pressure-bearing cylinder external pressure detection device according to claim 5, characterized in that:
the pulley piece (75) comprises a pulley transverse plate (751) and a pulley vertical plate (752), the pulley vertical plate (752) is perpendicularly connected with the middle of the pulley transverse plate (751), a pulley groove (753) is formed in the vertical middle of the pulley vertical plate (752), a pulley (756) is arranged in the pulley groove (753), a pulley through hole (754) is formed in the axis of the pulley vertical plate (752), a pulley shaft (755) is arranged in the pulley through hole (754) in a penetrating mode, and the pulley (756) is sleeved on the pulley shaft (755).
7. The pressure-bearing cylinder external pressure detection device according to claim 6, characterized in that:
the bosses (74) and the two ends of the pulley transverse plate (751) are respectively provided with a threaded hole (76), and a sixth bolt (77) is arranged in each threaded hole (76).
8. The pressure-bearing cylinder external pressure detection device according to any one of claims 1 to 7, characterized in that:
and a plurality of reinforcing rings (8) are arranged on the outer walls of the outer tank body (1) and the pressure-bearing tank body (2).
9. The pressure-bearing cylinder external pressure detection device according to any one of claims 1 to 7, characterized in that:
one side of the locking cover plate (3) is provided with a plurality of reinforcing ribs (38) and a plurality of hanging lugs (39).
10. The use method of the pressure-bearing cylinder external pressure detection device disclosed by claim 1 is characterized by comprising the following steps of:
the method comprises the following steps: continuously inputting liquid into the compartment (11) through the liquid inlet and outlet (16), stopping inputting after the liquid input reaches a preset pressure value, and then maintaining the pressure until the pressure is stable;
step two: observing the deformation and leakage of the pressure-bearing tank body (2) from the observation port (37), and carrying out any one of the following operations:
the first operation is: if leakage occurs, checking the leakage position, and if the checking result shows that leakage occurs at the sealing positions of the outer tank body (1), the pressure-bearing tank body (2), the locking cover plate (3) and the connecting flange (4), discharging liquid, checking the sealing condition, and returning to the step one; if the investigation result shows that the tank body of the pressure-bearing tank body (2) is leaked, the pressure-bearing tank body (2) does not meet the use requirement, and the detection is finished;
the second operation is as follows: if no leakage occurs, the push-pull gauge rod (61) drives the gauge piston (62) to slide back and forth from one end to the other end of the pressure-bearing tank body (2) to perform a plurality of passing tests; if the gauge piston (62) slides smoothly and is not clamped \28399, the pressure-bearing tank body (2) meets the use requirement, and the detection is finished; if the gauge piston (62) is blocked in a sliding way (28399and is not smooth, the pressure-bearing tank body (2) does not meet the use requirement, and the detection is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363256.XA CN115753404A (en) | 2022-11-02 | 2022-11-02 | External pressure detection device for pressure-bearing cylinder and application method of external pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363256.XA CN115753404A (en) | 2022-11-02 | 2022-11-02 | External pressure detection device for pressure-bearing cylinder and application method of external pressure detection device |
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| Publication Number | Publication Date |
|---|---|
| CN115753404A true CN115753404A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211363256.XA Pending CN115753404A (en) | 2022-11-02 | 2022-11-02 | External pressure detection device for pressure-bearing cylinder and application method of external pressure detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117907094A (en) * | 2024-03-20 | 2024-04-19 | 山东亿佰通机械股份有限公司 | Pipeline pressure-bearing detection device |
-
2022
- 2022-11-02 CN CN202211363256.XA patent/CN115753404A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117907094A (en) * | 2024-03-20 | 2024-04-19 | 山东亿佰通机械股份有限公司 | Pipeline pressure-bearing detection device |
| CN117907094B (en) * | 2024-03-20 | 2024-05-31 | 山东亿佰通机械股份有限公司 | Pipeline pressure-bearing detection device |
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