CN110608649B - Testing device and testing installation method for underwater fixed-depth steel ball limit release mechanism - Google Patents
Testing device and testing installation method for underwater fixed-depth steel ball limit release mechanism Download PDFInfo
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- CN110608649B CN110608649B CN201910997681.6A CN201910997681A CN110608649B CN 110608649 B CN110608649 B CN 110608649B CN 201910997681 A CN201910997681 A CN 201910997681A CN 110608649 B CN110608649 B CN 110608649B
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- 238000012360 testing method Methods 0.000 title claims abstract description 150
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000013461 design Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000012528 membrane Substances 0.000 claims description 13
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009533 lab test Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a testing device and a testing and installing method of an underwater fixed-depth steel ball limit release mechanism, which solve the problem that how to accurately and efficiently complete a detection task in a laboratory of a manufacturer of the steel ball limit release mechanism. Assembling a rotary flange base capable of realizing manual rotation, and connecting the assembled cylindrical shell (1) of the test product with a rotatable movable flange (12) and a test product mounting through hole (7) in a penetrating manner from right to left to realize sleeving with the rotary flange base; constructing a sealing cavity simulating pressure at the underwater fixed depth, testing and verifying a steel ball limit release pressure design value and a rotation angle design value of the steel ball limit release mechanism at the underwater fixed depth, observing whether the limit steel ball (3) falls off, if the limit steel ball (3) falls off, testing a product to be qualified, and if the limit steel ball (3) does not fall off, testing the product to be unqualified; the invention can truly simulate the working environment of the underwater steel ball limit release mechanism, and ensure the accuracy of limit release.
Description
Technical Field
The invention relates to a laboratory test device, in particular to a device for performing laboratory test on the release function of an underwater fixed-depth steel ball limit release mechanism and an assembly method thereof.
Background
Along with the development of ocean resources, more and more devices need to be accurately released at different depths in the sea, release of some devices is completed through a mechanical release mechanism, the mechanical release mechanism consists of a base body and a release body which is released from the base body, a limiting steel ball is arranged between the base body and the release body, the limiting steel ball is limited in two directions of axial direction and radial direction, a water pressure spring and a water pressure membrane are arranged in the mechanical release mechanism, when the release mechanism is submerged to a set depth, the water pressure membrane is deformed under the action of the set water depth water pressure, the water pressure disc is driven to compress the water pressure spring, a limited piston (or called a water pressure rod or a water pressure disc) is enabled to move, so that axial limiting of the limiting steel ball is released, release of radial limiting is realized through an angle of mutual rotary movement of the base body and the release body by a certain radian, after axial and radial limiting is released, the steel ball is released, the release body is released from the lower mechanism, the release of the release body is realized, whether the release action can be accurately completed at the set depth after the assembly of the release mechanism of the steel ball limiting release mechanism is completed, and the release action can be simulated at the set depth, which becomes an important test task of a product manufacturer which needs to be completed in a detection laboratory.
Disclosure of Invention
The invention provides a testing device and a testing and installing method of an underwater fixed-depth steel ball limit release mechanism, which solve the technical problem of how to accurately and efficiently complete a detection task in a laboratory of a manufacturer of the steel ball limit release mechanism.
The invention solves the technical problems by the following technical proposal:
the utility model provides a test device of steel ball spacing release mechanism of fixed depths under water, including the test portal frame, test product cylindric casing and gift cap shape sealed cavity lid, be provided with the mounting flange dish on gift cap shape sealed cavity lid, be provided with pressure air access mouth and bleeder valve post on the top end face of gift cap shape sealed cavity lid respectively, be provided with the product flange dish on the right port of test product cylindric casing, be provided with the water pressure dish in the test product cylindric casing activity, be provided with spacing steel ball between the middle part of the circular lateral wall of water pressure dish and test product cylindric casing inside wall, be provided with the water pressure membrane between the right-hand member of water pressure dish and test product cylindric casing inside wall, be provided with the test riser at the top of test portal frame, be provided with the test product installation through-hole in the central point of test riser, be provided with annular location step on the right port of test product installation through-hole, be provided with test product rotatory arc through-hole on the concentric circle equi-spaced radian on the test riser outside the test product installation through-hole, be provided with rotatory scale on the test riser outside the test product rotatory arc-shaped through-hole, be provided with rotatory scale, be provided with the movable connection has the movable pin roll in the movable connection in the test product rotatory scale, be provided with the movable connection has the movable flange round pin roll pin axle on the movable connection right side, movable connection has the movable connection flange round pin axle on the side, movable connection has; the cylindrical shell of the test product is connected in a rotatable movable flange plate and a test product mounting through hole in a penetrating way from right to left, the gift cap-shaped sealing cavity cover is buckled on the right side end face of the product flange plate, the fixed flange plate on the gift cap-shaped sealing cavity cover is connected with the sealing cavity connecting bolt in a threaded way, a cavity sealing ring is arranged between the gift cap-shaped sealing cavity cover and the right side end face of the product flange plate, and the gift cap-shaped sealing cavity cover and the inner cavity of the cylindrical shell of the test product on the right side of the hydraulic membrane form a closed test cavity.
A buffer rubber ring is arranged between the product flange and the rotatable movable flange, and the radian of the rotary arc-shaped through hole of the test product is 100 degrees; the limit indication block is a diamond block.
A test installation method of a test device of an underwater fixed-depth steel ball limit release mechanism is characterized by comprising the following steps:
the first step, assemble and realize the rotatory ring flange base of manual rotation, the concrete step is: a pin shaft is movably connected in the three test product rotary arc-shaped through holes in a penetrating way respectively, the left end of the pin shaft is fixedly connected with a limit indicating block, the right end of the pin shaft is fixedly connected with a rotatable movable flange plate, the right side surface of the rotatable movable flange plate is provided with a sealing cavity connecting bolt, and the central hole of the rotatable movable flange plate is correspondingly arranged with the test product mounting through holes, so that the three test product rotary arc-shaped through holes become a rotatable movable flange plate rotary track;
secondly, the assembled cylindrical shell of the test product is connected in the rotatable movable flange plate and the test product mounting through hole in a penetrating way from right to left, so that the cylindrical shell of the test product is sleeved with the rotary flange plate base; a hydraulic disc is movably arranged in the cylindrical shell of the test product, a limiting steel ball is arranged between the middle part of the circular outer side wall of the hydraulic disc and the inner side wall of the cylindrical shell of the test product, and a hydraulic membrane is arranged between the right end of the hydraulic disc and the inner side wall of the cylindrical shell of the test product;
thirdly, constructing a sealing cavity simulating the pressure of the underwater depth setting position, wherein the method comprises the following specific steps: the method comprises the steps that a gift cap-shaped sealing cavity cover is buckled on the right side end face of a product flange, a fixed flange on the gift cap-shaped sealing cavity cover is connected with a sealing cavity connecting bolt in a threaded mode, a cavity sealing ring is arranged between the gift cap-shaped sealing cavity cover and the right side end face of the product flange, and a closed testing cavity is formed by the gift cap-shaped sealing cavity cover and an inner cavity of a testing product cylindrical shell on the right side of a hydraulic membrane;
fourth, test and verification are carried out on the steel ball limit relief pressure design value and the rotation angle design value of the steel ball limit relief mechanism at the underwater depth setting position, and the specific steps are as follows: closing a gas leakage valve port on a gas leakage valve column, connecting an air compressor on a pressure air inlet nozzle, starting the air compressor, injecting pressure air with a steel ball limit release pressure design value into a closed test cavity, then manually rotating a gift cap-shaped sealing cavity cover, enabling the gift cap-shaped sealing cavity cover to rotate a rotary angle of a steel ball limit release rotation angle design value through a rotatable movable flange plate, observing whether a limit steel ball falls off, if the limit steel ball falls off, enabling the test product to be qualified, and if the limit steel ball does not fall off, enabling the test product to be unqualified;
and fifthly, closing the air compressor, emptying compressed air in the closed test cavity through the air leakage valve column, disassembling the connecting bolt of the seal cavity, taking the cap-shaped seal cavity cover off from the rotary flange base, taking the cylindrical shell of the test product out from the rotatable movable flange and the test product mounting through hole which are connected in a penetrating way from left to right, and completing the detection work.
The invention can truly simulate the working environment of the steel ball limit release mechanism under the condition of limiting the rotation angle at the underwater depth, and can perform steel ball limit release test of products under the environment, thereby improving the test quality of the products and ensuring the accuracy of limit release.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in a right-hand view;
FIG. 3 is a schematic diagram of the structure of the tested product of the present invention;
fig. 4 is a schematic view of the structure of the test gantry 5 and the test riser 6 of the present invention in a left-view direction;
fig. 5 is a schematic view of the structure of the test gantry 5 and the test riser 6 of the present invention in a right-hand view;
FIG. 6 is a schematic view of a rotary flange base formed by the test riser 6 and the rotatable removable flange 12 according to the present invention;
FIG. 7 is a schematic diagram of the structure of the product under test of the present invention sleeved on a rotating flange base;
fig. 8 is a schematic view of the structure of the cap-shaped seal cavity cover 15 of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the test device of the steel ball limit release mechanism at a fixed depth under water comprises a test portal frame 5, a test product cylindrical shell 1 and a gift cap-shaped seal cavity cover 15, wherein a fixed flange plate 25 is arranged on the gift cap-shaped seal cavity cover 15, a pressure air inlet nozzle 16 and a release valve 17 are respectively arranged on the top end surface of the gift cap-shaped seal cavity cover 15, a product flange plate 4 is arranged on the right end opening of the test product cylindrical shell 1, a water pressure plate 2 is movably arranged in the test product cylindrical shell 1, a limit steel ball 3 is arranged between the middle part of the circular outer side wall of the water pressure plate 2 and the inner side wall of the test product cylindrical shell 1, a water pressure film 26 is arranged between the right end of the water pressure plate 2 and the inner side wall of the test product cylindrical shell 1, a test vertical plate 6 is arranged at the top end of the test portal frame 5, a test product mounting through hole 7 is arranged in the center of the test vertical plate 6, an annular positioning step 13 is arranged on the right end opening of the test product mounting through hole 7, a test product rotating through hole 8 is arranged on the concentric circle on the test vertical plate 6 at equal intervals, a rotary arc 8 is movably connected with a rotary pin shaft 10 in an arc-shaped rotary scale pin shaft 10, a rotary guide pin shaft 10 is movably connected to the rotary guide pin shaft 10 arranged on the right end of the rotary flange plate 10, and the rotary guide shaft 10 is movably connected to the rotary flange plate 10 at the right end of the rotary flange plate 10; the cylindrical shell 1 of the test product is connected in the rotatable movable flange 12 and the mounting through hole 7 of the test product from right to left in a penetrating way, the gift cap-shaped sealing cavity cover 15 is buckled on the right side end face of the product flange 4, the fixed flange 25 on the gift cap-shaped sealing cavity cover 15 is connected with the sealing cavity connecting bolt 14 in a screwed way, a cavity sealing ring 24 is arranged between the gift cap-shaped sealing cavity cover 15 and the right side end face of the product flange 4, and the gift cap-shaped sealing cavity cover 15 and the inner cavity of the cylindrical shell 1 of the test product on the right side of the hydraulic membrane 26 form a closed test cavity 18.
A buffer rubber ring 27 is arranged between the product flange 4 and the rotatable movable flange 12, and the radian of the rotary arc-shaped through hole 8 of the test product is 100 degrees; the limiting indication block 11 is a diamond block, the rotation angle can be controlled by observing the position of the top tip of the diamond block on the rotating radian graduated scale 9, and the rotating arc-shaped through hole 8 of the test product with the radian of 100 degrees also forms the limit of the maximum rotation angle of the cylindrical shell 1 of the test product, so that the hydraulic film in the product is protected from rotating over angle, and the damage phenomenon occurs.
A test installation method of a test device of an underwater fixed-depth steel ball limit release mechanism is characterized by comprising the following steps:
the first step, assemble and realize the rotatory ring flange base of manual rotation, the concrete step is: a pin shaft 10 is movably connected in the three test product rotary arc-shaped through holes 8 in a penetrating way respectively, a limit indication block 11 is fixedly connected to the left end of the pin shaft 10, a rotatable movable flange 12 is fixedly connected to the right end of the pin shaft 10, a sealing cavity connecting bolt 14 is arranged on the right side surface of the rotatable movable flange 12, and a central hole of the rotatable movable flange 12 is correspondingly arranged with the test product mounting through holes 7, so that the three test product rotary arc-shaped through holes 8 become rotary tracks of the rotatable movable flange 12;
secondly, the assembled cylindrical shell 1 of the test product is connected in the rotatable movable flange 12 and the test product mounting through hole 7 in a penetrating way from right to left, so that the sleeve joint with the base of the rotary flange is realized; a water pressure disc 2 is movably arranged in the cylindrical shell 1 of the test product, a limit steel ball 3 is arranged between the middle part of the circular outer side wall of the water pressure disc 2 and the inner side wall of the cylindrical shell 1 of the test product, and a water pressure membrane 26 is arranged between the right end of the water pressure disc 2 and the inner side wall of the cylindrical shell 1 of the test product; the cylindrical shell 1 of the test product can realize annular rotation relative to the water pressure disc 2, the water pressure disc 2 can axially move leftwards under the action of pressure, when the water pressure disc 2 moves leftwards for a certain distance, and after the cylindrical shell 1 of the test product rotates for a certain angle relative to the water pressure disc 2 in the annular direction, the limiting steel balls 3 can fall off, so that the water pressure disc 2 moves leftwards from the limiting position to a large extent and falls off;
thirdly, constructing a sealing cavity simulating the pressure of the underwater depth setting position, wherein the method comprises the following specific steps: the gift cap-shaped sealing cavity cover 15 is buckled on the right end face of the product flange 4, a fixed flange 25 on the gift cap-shaped sealing cavity cover 15 is screwed with the sealing cavity connecting bolt 14, a cavity sealing ring 24 is arranged between the gift cap-shaped sealing cavity cover 15 and the right end face of the product flange 4, and the gift cap-shaped sealing cavity cover 15 and the inner cavity of the cylindrical shell 1 of the test product on the right side of the hydraulic membrane 26 form a closed test cavity 18;
fourth, test and verification are carried out on the steel ball limit relief pressure design value and the rotation angle design value of the steel ball limit relief mechanism at the underwater depth setting position, and the specific steps are as follows: closing a gas leakage valve port on a gas leakage valve column 17, connecting an air compressor on a pressure air inlet nozzle 16, starting the air compressor, injecting pressure air with a steel ball limit release pressure design value into a closed test cavity 18, then manually rotating a gift cap seal cavity cover 15, enabling the gift cap seal cavity cover 15 to rotate a steel ball limit release rotation angle design value through a rotatable movable flange 12, observing whether a limit steel ball 3 falls off or not, if the limit steel ball 3 falls off, testing a product to be qualified, and if the limit steel ball 3 does not fall off, testing the product to be unqualified;
and fifthly, closing the air compressor, emptying compressed air in the closed test cavity 18 through the air leakage valve column 17, disassembling the sealing cavity connecting bolt 14, taking the cap-shaped sealing cavity cover 15 off from the rotary flange base, taking the cylindrical shell 1 of the test product out of the rotatable movable flange 12 and the test product mounting through hole 7 which are connected in a penetrating way from left to right, and completing the detection work.
A U-shaped notch 20 is arranged on a column body of a gas release valve column 17 arranged on a cap-shaped sealing cavity cover 15, a gas release through hole 19 is arranged on the gas release valve column 17 at the left side of the U-shaped notch 20, the gas release through hole 19 is communicated with a closed testing cavity 18, a column jacking block 21 is arranged on the gas release valve column 17 at the right side of the U-shaped notch 20, a jackscrew through hole 22 is arranged on the column jacking block 21, a jackscrew 23 is screwed in the jackscrew through hole 22, a center is arranged at the inner side end of the jackscrew 23, and a center arranged at the inner side end of the jackscrew 23 is movably propped against the outer port of the gas release through hole 19; the evacuation of compressed air from the closed test chamber 18 can be achieved by rotating the jackscrew 23.
Claims (2)
1. The utility model provides a test device of steel ball spacing release mechanism under water depth, including test portal frame (5), test product cylindric casing (1) and gift cap seal cavity lid (15), be provided with fixed flange dish (25) on gift cap seal cavity lid (15), be provided with pressure air on the top terminal surface of gift cap seal cavity lid (15) respectively and let in mouth (16) and bleeder valve post (17), be provided with product flange dish (4) on the right-hand member mouth of test product cylindric casing (1), be provided with water pressure dish (2) in activity in test product cylindric casing (1), be provided with spacing steel ball (3) between the middle part of the circular lateral wall of water pressure dish (2) and test product cylindric casing (1) inside wall, be provided with water pressure membrane (26) between the right-hand member of water pressure dish (2) and test product cylindric casing (1) inside wall, be provided with test riser (6) on the top of test portal frame (5), be provided with test product installation through-hole (7) in the central department of test riser (6), be provided with on the right-hand member mouth of test product (7) mouth (13) of test product installation through-hole (7), be provided with annular location step (13) on test product installation through-hole (8) on the arc-shaped radial space etc., a rotary radian graduated scale (9) is arranged on a test vertical plate (6) at the outer side of a rotary arc-shaped through hole (8) of a test product, a pin shaft (10) is movably connected in the rotary arc-shaped through hole (8) of the test product in a penetrating way, a limit indication block (11) is fixedly connected to the left end of the pin shaft (10), a rotatable movable flange plate (12) is fixedly connected to the right end of the pin shaft (10), and a sealing cavity connecting bolt (14) is arranged on the right side surface of the rotatable movable flange plate (12); the test product cylindrical shell (1) is connected in a rotatable movable flange (12) and a test product mounting through hole (7) in a penetrating way from right to left, a gift cap-shaped sealing cavity cover (15) is buckled on the right side end face of the product flange (4), a fixed flange (25) on the gift cap-shaped sealing cavity cover (15) is connected with a sealing cavity connecting bolt (14) in a threaded way, a cavity sealing ring (24) is arranged between the gift cap-shaped sealing cavity cover (15) and the right side end face of the product flange (4), and a closed test cavity (18) is formed by the gift cap-shaped sealing cavity cover (15) and the inner cavity of the test product cylindrical shell (1) on the right side of a hydraulic membrane (26); a buffer rubber ring (27) is arranged between the product flange (4) and the rotatable movable flange (12), and the radian of the rotary arc-shaped through hole (8) of the test product is 100 degrees; the limiting indication block (11) is a diamond block, and the rotation angle can be controlled by observing the position of the tip of the diamond block (11) on the rotating radian graduated scale (9).
2. The test installation method of the test device of the underwater fixed-depth steel ball limit release mechanism as claimed in claim 1, which is characterized by the following steps:
the first step, assemble and realize the rotatory ring flange base of manual rotation, the concrete step is: a pin shaft (10) is movably connected in the three test product rotary arc-shaped through holes (8) in a penetrating way respectively, a limit indication block (11) is fixedly connected to the left end of the pin shaft (10), a rotatable movable flange plate (12) is fixedly connected to the right end of the pin shaft (10), a sealing cavity connecting bolt (14) is arranged on the right side surface of the rotatable movable flange plate (12), and a central hole of the rotatable movable flange plate (12) is correspondingly arranged with the test product mounting through holes (7), so that the three test product rotary arc-shaped through holes (8) become rotary tracks of the rotatable movable flange plate (12);
secondly, the assembled cylindrical shell (1) of the test product is connected in the rotatable movable flange (12) and the test product mounting through hole (7) in a penetrating way from right to left, so that the sleeve joint with the rotary flange base is realized; a water pressure disc (2) is movably arranged in the cylindrical shell (1) of the test product, a limit steel ball (3) is arranged between the middle part of the circular outer side wall of the water pressure disc (2) and the inner side wall of the cylindrical shell (1) of the test product, and a water pressure membrane (26) is arranged between the right end of the water pressure disc (2) and the inner side wall of the cylindrical shell (1) of the test product;
thirdly, constructing a sealing cavity simulating the pressure of the underwater depth setting position, wherein the method comprises the following specific steps: the gift cap-shaped sealing cavity cover (15) is buckled on the right end face of the product flange plate (4), a fixed flange plate (25) on the gift cap-shaped sealing cavity cover (15) is in threaded connection with the sealing cavity connecting bolt (14), a cavity sealing ring (24) is arranged between the gift cap-shaped sealing cavity cover (15) and the right end face of the product flange plate (4), and a closed testing cavity (18) is formed by the gift cap-shaped sealing cavity cover (15) and the inner cavity of the testing product cylindrical shell (1) on the right side of the hydraulic membrane (26);
fourth, test and verification are carried out on the steel ball limit relief pressure design value and the rotation angle design value of the steel ball limit relief mechanism at the underwater depth setting position, and the specific steps are as follows: closing a gas leakage valve port on a gas leakage valve column (17), connecting an air compressor on a pressure air inlet nozzle (16), starting the air compressor, injecting pressure air with a steel ball limit release pressure design value into a closed test cavity (18), then manually rotating a gift cap-shaped sealing cavity cover (15), enabling the gift cap-shaped sealing cavity cover (15) to rotate a rotating angle of a steel ball limit release rotating angle design value through a rotatable movable flange (12), observing whether a limit steel ball (3) falls off, if the limit steel ball (3) falls off, testing a product to be qualified, and if the limit steel ball (3) does not fall off, testing the product to be unqualified;
and fifthly, closing the air compressor, emptying compressed air in the closed test cavity (18) through the air leakage valve column (17), disassembling the sealing cavity connecting bolt (14), taking the gift cap-shaped sealing cavity cover (15) off from the rotary flange base, taking the cylindrical shell (1) of the test product out of the rotatable movable flange (12) which is penetrated from left to right and the test product mounting through hole (7), and completing the detection work.
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| CN201910997681.6A CN110608649B (en) | 2019-10-21 | 2019-10-21 | Testing device and testing installation method for underwater fixed-depth steel ball limit release mechanism |
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| CN201910997681.6A CN110608649B (en) | 2019-10-21 | 2019-10-21 | Testing device and testing installation method for underwater fixed-depth steel ball limit release mechanism |
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| CN110608649B true CN110608649B (en) | 2024-03-26 |
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| CN110608649A (en) | 2019-12-24 |
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