CN113483980B - A accurate cloth medicine device for explosion test under water - Google Patents
A accurate cloth medicine device for explosion test under water Download PDFInfo
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- CN113483980B CN113483980B CN202110664701.5A CN202110664701A CN113483980B CN 113483980 B CN113483980 B CN 113483980B CN 202110664701 A CN202110664701 A CN 202110664701A CN 113483980 B CN113483980 B CN 113483980B
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
An accurate explosive distributing device for an underwater explosion test belongs to the technical field of underwater explosion tests. The invention solves the problem that the accurate distribution of explosives in a certain coordinate of a test model is difficult to realize in the existing underwater explosion test. The rotary motor is fixedly arranged on the upper base, the upper end of the mounting plate is fixedly arranged on an output shaft of the rotary motor, the lower end of the mounting plate is rotatably arranged on the lower base, the first electric telescopic rod is horizontally arranged, the second electric telescopic rod is obliquely arranged, a first-stage rod of the second electric telescopic rod is rotatably arranged at the bottom of the first electric telescopic rod, the first fixed pulley block is fixedly arranged on an Nth-stage rod of the first electric telescopic rod through a first positioning seat, the second fixed pulley block is fixedly arranged at the end part of the first-stage rod of the first electric telescopic rod through a second positioning seat, the upper base and the lower base are fixedly arranged on a test model respectively, a steel wire rope sequentially passes through the first fixed pulley block and the second fixed pulley block, and explosive is arranged on a steel wire rope between the second fixed pulley block and a balancing weight.
Description
Technical Field
The invention relates to a precise explosive distributing device for an underwater explosion test, and belongs to the technical field of underwater explosion tests.
Background
With the development of marine science and the progress of national defense technology, the impact resistance and the structural damage effect of the underwater explosion load structure of the ship structure are more and more emphasized by the research of marine engineering of various countries, so that the actual damage effect of the ship structure subjected to the underwater explosion impact can be most reflected by the underwater real ship explosion from the actual sea warfare of various countries. For example, a great deal of research on underwater explosion of real ships has been conducted in the united states and japan, and a large-scale research on a very systematic basis has also been conducted, and the antiknock and impact resistance of ships, ship structures and the like are also the top of the world.
The underwater explosion test for the submarine structure has high test difficulty, and particularly has high requirements on data acquisition, model fixation, accurate explosive distribution and the like. Similar to the submarine structure model, when the submarine structure model is attacked, the working conditions are basically underwater explosion, so when the submarine structure or the scaling structure thereof is subjected to an underwater non-explosion test, the accuracy of the explosive distribution position needs to be considered, and more accurate test data and effect can be obtained. In general underwater explosion tests, sensors need to be arranged on a model, then the model is dragged to a designated test sea area, the model is positioned, and explosive can be distributed in the last step, so that the difficulty in accurately distributing the explosive on a certain coordinate point of the model under the underwater condition of the model is high, and how to distribute the explosive with high precision underwater becomes an important solving project provided by the application.
Disclosure of Invention
The invention aims to solve the technical problems and further provides a precise explosive distributing device for an underwater explosion test.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the accurate explosive distributing device for the underwater explosion test comprises an upper base, a lower base, a mounting plate, a rotating motor, a first electric telescopic rod, a second electric telescopic rod, a first fixed pulley block and a second fixed pulley block, wherein the first electric telescopic rod comprises first to N-th-level rods which are coaxially arranged from inside to outside in sequence and are axially and slidably connected, the second electric telescopic rod comprises first to M-level rods which are coaxially arranged from inside to outside in sequence and are axially and slidably connected, the rotating motor is fixedly mounted on the upper base, the mounting plate is vertically arranged, the upper end of the mounting plate is fixedly mounted on an output shaft of the rotating motor, the lower end of the mounting plate is rotatably mounted on the lower base, the first electric telescopic rod is horizontally arranged, one end of the N-level rod is vertically rotatably mounted on the upper portion of the mounting plate, the second electric telescopic rod is obliquely arranged, one end of the M-level rod is vertically rotatably mounted on the lower portion of the mounting plate, the first-level rod of the second electric telescopic rod is rotatably mounted on the bottom of the first electric telescopic rod, the first pulley block is fixedly mounted on the N-level rod of the first electric telescopic rod through the first pulley block, the second fixed pulley block is fixedly mounted on the upper base through the second fixed pulley block, the end portion of the first electric telescopic rod, the steel wire rope, and the end portion of the second fixed pulley block are fixedly mounted on the upper base, and the steel rope, the steel rope are fixedly mounted on the upper base, and the steel rope fixed pulley block, and the steel rope of the steel rope.
Furthermore, the rotating motor is fixedly arranged on the upper base through a motor base, at least two long holes are formed in the motor base, and the motor base is arranged on the upper base through bolts and the long holes.
Further, the end part of the first level rod in the second electric telescopic rod is rotatably arranged at the bottom of the Nth level rod on the first electric telescopic rod.
Furthermore, the upper base comprises a first connecting plate, a first horizontal positioning plate and a first vertical positioning plate, wherein the first connecting plate is vertically arranged, the first horizontal positioning plate and the first vertical positioning plate are arranged in a T shape, one end part of the first horizontal positioning plate and one end part of the first vertical positioning plate are fixedly arranged on one side surface of the first connecting plate, and the rotating motor is fixedly arranged on the first connecting plate.
Furthermore, the lower base comprises a second connecting plate, two second horizontal positioning plates and two second vertical positioning plates, wherein the second connecting plate is vertically arranged, the two second horizontal positioning plates and the two second vertical positioning plates are arranged in a cross shape, and one end parts of the two second horizontal positioning plates and the two second vertical positioning plates are fixedly arranged on one side surface of the second connecting plate.
Furthermore, the bottom end part of the mounting plate is of a cylindrical structure, a lower end connecting seat is fixedly arranged on the lower base, and the bottom end part of the mounting plate is arranged on the lower end connecting seat in a penetrating mode and is connected with the lower end connecting seat in a rotating mode.
Furthermore, the upper portion and the lower portion of the mounting plate are fixedly provided with a first positioning base and a second positioning base respectively, and the first electric telescopic rod and the second electric telescopic rod are correspondingly and rotatably arranged on the first positioning base and the second positioning base through pin shafts which are horizontally arranged.
Further, the first electric telescopic rod is a four-stage telescopic rod.
Further, the second electric telescopic rod is a two-stage telescopic rod.
Further, the first positioning seat is fixedly mounted outside an nth rod of the first electric telescopic rod through a mounting assembly, the mounting assembly comprises a U-shaped sleeve plate and a bottom plate, the U-shaped sleeve plate is sleeved on the first electric telescopic rod, the bottom plate is mounted at an opening end of the U-shaped sleeve plate through a bolt cover, a clamping piece is further clamped between the first electric telescopic rod and the U-shaped sleeve plate, and a plurality of fastening screws penetrate through two sides of the U-shaped sleeve plate.
Compared with the prior art, the invention has the following effects:
when the operating mode needs, the extension of second electric telescopic handle, with first electric telescopic handle jack-up, first electric telescopic handle can accomplish the operating mode demand according to the flexible length of demand adjustment simultaneously, still can rotate through rotating electrical machines control mounting panel according to the operating mode demand, and then controls two electric telescopic handle rotations, and then enlarges the scope of laying the explosive, satisfies hoist and mount explosive on the surface of water, the location explosive distribution under the surface of water.
Through this application, can realize that experimental model prepares the work completion back under water, through two electric telescopic handle, stretch out the surface of water with the device terminal surface, realize that the experimenter carries out the traction between the traction wire rope who links on cartridge bag and the telescopic link on the surface of water.
The utility model provides a self structure and with the test model between the installation simple and easy, the accessible welds well upper base and lower base on the model in advance, fixes all the other structures direct mount such as electric telescopic handle on the test model afterwards, safe and reliable can replace the use.
Drawings
Fig. 1 is a schematic view of a first three-dimensional structure of the present application (in a retracted state of the electric telescopic rod);
FIG. 2 is a schematic perspective view of the present application mounted on a model in actual use;
FIG. 3 is a schematic front view of the present application;
FIG. 4 is a schematic left side view of FIG. 3 (not to scale with FIG. 3);
FIG. 5 is a schematic top view of FIG. 3 (not to scale with FIG. 3);
fig. 6 is a schematic view of a second three-dimensional structure of the present application (in an extended state of the electric telescopic rod);
FIG. 7 is a schematic view of the connection of the first positioning base and the mounting assembly;
FIG. 8 is a schematic left side view of FIG. 7 (not to scale as FIG. 7);
FIG. 9 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 8 (not to scale as FIG. 8);
fig. 10 is a schematic cross-sectional view taken along line B-B of fig. 9 (not to scale with fig. 9).
Detailed Description
The first specific implementation way is as follows: the embodiment is described with reference to fig. 1 to 10, and a precise explosive distribution device for an underwater explosion test includes an upper base 20, a lower base 21, a mounting plate 13, a rotating motor 19, a first electric telescopic rod 10, a second electric telescopic rod 12, a first fixed pulley block 14 and a second fixed pulley block 24, wherein the first electric telescopic rod 10 includes first to N-th-level rods coaxially arranged from inside to outside in sequence and axially slidably connected, the second electric telescopic rod 12 includes first to M-level rods coaxially arranged from inside to outside in sequence and axially slidably connected, the rotating motor 19 is fixedly mounted on the upper base 20, the mounting plate 13 is vertically arranged and the upper end thereof is fixedly mounted on an output shaft of the rotating motor 19, the lower end thereof is rotatably mounted on the lower base 21, the first electric telescopic rod 10 is horizontally arranged and one end of the N-level rod is vertically rotatably mounted on the upper portion of the mounting plate 13, the second electric telescopic rod 12 is obliquely arranged and one end of the M-level rod is vertically rotatably mounted on the lower portion of the mounting plate 13, the first-level rod of the second electric telescopic rod 12 is rotatably mounted on the lower portion of the mounting plate 13 through a first fixed pulley block 24, the first fixed pulley block 14 is fixedly mounted on the upper base 5 of the second electric telescopic rod 5, and the second fixed pulley block 24 are fixedly mounted on the upper base 5, and the second fixed pulley block 24 of the second electric telescopic rod 5, and the second fixed pulley block 24, and the second fixed pulley block 5, and the first electric telescopic rod 5.
The electric telescopic rod is prior art, and the structural composition and the working principle thereof are not described herein again. Two electric telescopic handle carry out the independent control, and every electric telescopic handle all can be changed into more multistage telescopic link according to actual need, enlarges the application range of device, can satisfy test model when under water, and the telescopic link tip of device can stretch out the surface of water.
The first fixed pulley group 14 comprises two first fixed pulleys arranged in a staggered manner in height, and the second fixed pulley group 24 comprises two second fixed pulleys arranged in a staggered manner in left and right. The traction steel wire rope 5 is controlled to extend and contract from a motor on the water surface, and the steel wire rope 5 is ensured to pass through smoothly through the two fixed pulley blocks.
When the operating mode needs, the extension of second electric telescopic handle 12, with the jack-up of first electric telescopic handle 10, first electric telescopic handle 10 can be according to the flexible length of demand adjustment simultaneously, accomplishes the operating mode demand, still can be according to the operating mode demand, rotates through 19 control mounting panels of rotating electrical machines 13, and then controls two electric telescopic handle rotations, and then enlarges the scope of laying the explosive, satisfies hoist and mount explosive on the surface of water, fixes a position the explosive distribution under the surface of water.
The upper base 20 and the lower base 21 are both fixed on the test model preferably by welding. The upper base 20 and the lower base 21 are welded by selecting proper welding end faces according to the boundary shape and size of the tested model, and the requirement of the height distance between the two bases and the connecting faces of the two bases in the same plane is met, so that the applicability is high, and the limit of the boundary and the overall dimension of the model is avoided.
This application can realize carrying out accurate location between 4 and the model 1 to the explosive, shortens and the mutual cooperation of rotating electrical machines 19 through the extension of first electric telescopic handle 10, second electric telescopic handle 12, wire rope 5, realizes that the cartridge bag cloth of arbitrary structure side space point is put.
Through this application, can realize that experimental model is after the completion of preparation work under water, through two electric telescopic handle, stretch out the surface of water with the device terminal surface, realize that the tester carries out the traction between 5 of the traction wire who links on cartridge bag and the telescopic link on the surface of water.
The self structure of this application and the installation between the test model is simple and easy, and the accessible welds well upper base 20 and lower base 21 on the model in advance, fixes all the other structures such as electric telescopic handle direct mount on the test model afterwards, and safe and reliable can replace the use.
The rotating motor 19 is fixedly mounted on the upper base 20 through a motor base, at least two long holes are formed in the motor base, and the motor base is mounted on the upper base 20 through bolts and the long holes. Through setting up the slot hole for the mounted position of rotating electrical machines 19 on last base 20 is adjustable, and then is convenient for the installation of whole device. The long hole may be formed in the upper base 20 as long as the fine adjustment of the vertical position of the rotating motor 19 can be achieved.
The end of the first rod in the second electric telescopic rod 12 is rotatably installed at the bottom of the nth rod on the first electric telescopic rod 10. By the design, when the first electric telescopic rod 10 stretches and retracts, the second telescopic rod is kept still.
The upper base 20 comprises a first connecting plate, a first horizontal positioning plate and a first vertical positioning plate, wherein the first connecting plate is vertically arranged, the first horizontal positioning plate and the first vertical positioning plate are arranged in a T shape, one end part of the first horizontal positioning plate and one end part of the first vertical positioning plate are fixedly arranged on one side surface of the first connecting plate, and the rotating motor 19 is fixedly arranged on the first connecting plate.
The lower base 21 comprises a second connecting plate, two second horizontal positioning plates and two second vertical positioning plates, wherein the second connecting plate is vertically arranged, the two second horizontal positioning plates and the two second vertical positioning plates are arranged in a cross shape, and one end parts of the two second horizontal positioning plates and the two second vertical positioning plates are fixedly arranged on one side surface of the second connecting plate. Due to the design, the lower base 21 has larger bearing requirement, so that the structure arranged in a cross shape is adopted, and the whole lower base 21 has enough bearing capacity.
The bottom end of mounting plate 13 is cylindrical, lower end connecting seat 18 is fixedly mounted on lower base 21, and the bottom end of mounting plate 13 is mounted on lower end connecting seat 18 in a penetrating manner and is rotatably connected with lower end connecting seat 18. The lower end connecting seat 18 is connected with the lower base 21 through a bolt.
The upper portion and the lower portion of the mounting plate 13 are respectively and fixedly provided with a first positioning base 26 and a second positioning base 16, and the first electric telescopic rod 10 and the second electric telescopic rod 12 are correspondingly and rotatably arranged on the first positioning base 26 and the second positioning base 16 through pin shafts which are horizontally arranged. Through the pin roll of horizontal arrangement, realize two electric telescopic handle for the up-and-down rotation of mounting panel 13. The third positioning base 23 is installed at the bottom of the nth pole of the first electric telescopic pole 10 and used for installing the second electric telescopic pole 12, and preferably, the third positioning base 23 is arranged at one end of the nth pole, which is far away from the installation plate 13. The first positioning base 26 and the second positioning base 16 are preferably mounted on the mounting plate 13 by bolts. The third positioning base 23 is preferably mounted on the first electric telescopic bar 10 by bolts.
The first electric telescopic rod 10 is a four-stage telescopic rod. I.e. it comprises first to fourth levers.
The second electric telescopic rod 12 is a two-stage telescopic rod. I.e. it comprises first to second levers.
The first positioning seat 25 is fixedly arranged outside an Nth-level rod of the first electric telescopic rod 10 through a mounting assembly, wherein the mounting assembly comprises a U-shaped sleeve plate 30 and a bottom plate 29, the U-shaped sleeve plate 30 is sleeved on the first electric telescopic rod 10, the bottom plate 29 is arranged at the opening end of the U-shaped sleeve plate 30 through a bolt cover, a clamping piece 31 is further clamped between the first electric telescopic rod 10 and the U-shaped sleeve plate 30, and a plurality of fastening screws are arranged on two sides of the U-shaped sleeve plate 30 in a penetrating manner. The U-shaped sleeve plate 30 is tightly contacted with the first electric telescopic rod 10 through a set screw, and the first positioning seat 25 is stably arranged on the U-shaped sleeve plate 30 through the bottom plate 29.
Claims (10)
1. The utility model provides a accurate cloth medicine device for explosion test under water which characterized in that: the device comprises an upper base (20), a lower base (21), a mounting plate (13), a rotating motor (19), a first electric telescopic rod (10), a second electric telescopic rod (12), a first fixing pulley block (14) and a second fixing pulley block (24), wherein the first electric telescopic rod (10) comprises first to N-level rods which are coaxially arranged from inside to outside in sequence and are axially and slidably connected, the second electric telescopic rod (12) comprises first to M-level rods which are coaxially arranged from inside to outside in sequence and are axially and slidably connected, the rotating motor (19) is fixedly arranged on the upper base (20), the mounting plate (13) is vertically arranged, the upper end of the mounting plate (13) is fixedly arranged on an output shaft of the rotating motor (19), the lower end of the mounting plate is rotatably arranged on the lower base (21), the first electric telescopic rod (10) is horizontally arranged, one end of the N-level rod is vertically rotatably arranged on the upper portion of the mounting plate (13), the second electric telescopic rod (12) is obliquely arranged, one end of the M-level rod is rotatably arranged on the lower portion of the mounting plate (13), the first electric telescopic rod of the second electric telescopic rod (12) is rotatably arranged on the lower portion of the first electric telescopic rod (10), the first electric telescopic rod is fixedly arranged on the bottom of the mounting plate (10), the first electric telescopic rod (14) is fixedly arranged on the end portion of the first fixing pulley block (10) through a first fixing pulley block (24), the upper base (20) and the lower base (21) are fixedly arranged on a test model respectively, the steel wire rope (5) sequentially passes through the first fixed pulley block (14) and the second fixed pulley block (24), the end part of the steel wire rope (5) is provided with the balancing weight (2), and the explosive (4) is arranged on the steel wire rope (5) between the second fixed pulley block (24) and the balancing weight (2).
2. The accurate explosive distribution device for the underwater explosion test is characterized in that: the rotating motor (19) is fixedly arranged on the upper base (20) through a motor base, at least two long holes are formed in the motor base, and the motor base is arranged on the upper base (20) through bolts and the long holes.
3. The precise explosive distributing device for the underwater explosion test according to claim 1 or 2, characterized in that: the end part of the first-stage rod in the second electric telescopic rod (12) is rotatably arranged at the bottom of the Nth-stage rod on the first electric telescopic rod (10).
4. The accurate explosive distribution device for the underwater explosion test is characterized in that: the upper base (20) comprises a first connecting plate, a first horizontal positioning plate and a first vertical positioning plate, wherein the first connecting plate is vertically arranged, the first horizontal positioning plate and the first vertical positioning plate are arranged in a T shape, one end part of the first horizontal positioning plate and one end part of the first vertical positioning plate are fixedly arranged on one side surface of the first connecting plate, and the rotating motor (19) is fixedly arranged on the first connecting plate.
5. The accurate explosive distribution device for the underwater explosion test is characterized in that: the lower base (21) comprises a second connecting plate, two second horizontal positioning plates and two second vertical positioning plates, wherein the second connecting plate is vertically arranged, the two second horizontal positioning plates and the two second vertical positioning plates are arranged in a cross shape, and one end parts of the two second horizontal positioning plates and the two second vertical positioning plates are fixedly arranged on one side surface of the second connecting plate.
6. The accurate explosive distribution device for the underwater explosion test is characterized in that: the bottom end part of the mounting plate (13) is of a cylindrical structure, a lower end connecting seat (18) is fixedly arranged on the lower base (21), and the bottom end part of the mounting plate (13) is arranged on the lower end connecting seat (18) in a penetrating mode and is rotatably connected with the lower end connecting seat (18).
7. The accurate explosive distribution device for the underwater explosion test as claimed in claim 1, characterized in that: the upper portion and the lower portion of the mounting plate (13) are fixedly provided with a first positioning base (26) and a second positioning base (16) respectively, and the first electric telescopic rod (10) and the second electric telescopic rod (12) are correspondingly and rotatably mounted on the first positioning base (26) and the second positioning base (16) through pin shafts which are horizontally arranged.
8. The accurate explosive distribution device for the underwater explosion test as claimed in claim 1, characterized in that: the first electric telescopic rod (10) is a four-stage telescopic rod.
9. The accurate explosive distribution device for the underwater explosion test is characterized in that: the second electric telescopic rod (12) is a two-stage telescopic rod.
10. The accurate explosive distribution device for the underwater explosion test is characterized in that: the first positioning seat (25) is fixedly arranged outside an Nth-level rod of the first electric telescopic rod (10) through a mounting assembly, the mounting assembly comprises a U-shaped sleeve plate (30) and a bottom plate (29), the U-shaped sleeve plate (30) is sleeved on the first electric telescopic rod (10), the bottom plate (29) is covered at the opening end of the U-shaped sleeve plate (30) through a bolt, a clamping piece (31) is further clamped between the first electric telescopic rod (10) and the U-shaped sleeve plate (30), and a plurality of fastening screws penetrate through two sides of the U-shaped sleeve plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664701.5A CN113483980B (en) | 2021-06-16 | 2021-06-16 | A accurate cloth medicine device for explosion test under water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664701.5A CN113483980B (en) | 2021-06-16 | 2021-06-16 | A accurate cloth medicine device for explosion test under water |
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| CN113483980A CN113483980A (en) | 2021-10-08 |
| CN113483980B true CN113483980B (en) | 2022-12-09 |
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| CN202110664701.5A Active CN113483980B (en) | 2021-06-16 | 2021-06-16 | A accurate cloth medicine device for explosion test under water |
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