CN111795782A - Air tightness test device of fire-fighting steel cylinder - Google Patents
Air tightness test device of fire-fighting steel cylinder Download PDFInfo
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- CN111795782A CN111795782A CN202010627438.8A CN202010627438A CN111795782A CN 111795782 A CN111795782 A CN 111795782A CN 202010627438 A CN202010627438 A CN 202010627438A CN 111795782 A CN111795782 A CN 111795782A
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- steel cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
Abstract
The invention discloses an air tightness test device of a fire-fighting steel cylinder, and relates to the technical field of air tightness tests of fire-fighting steel cylinders; the problem of gas leakage at a joint at the top end of a fire-fighting steel cylinder is solved; specifically including the main part case, the main part case openly outer wall is opened there is the mounting hole, and the inner wall all around of mounting hole all is provided with same toughened glass, the bottom inner wall of main part case is provided with the fixing base, the inside self-locking mechanism that is provided with of fixing base, the spout has all been opened to the both sides outer wall of main part case, the equal sliding connection of inner wall of two spouts has L type slide bar, the relative one end of two L type slide bars all is provided with same connecting plate, the bottom of connecting plate is provided with joint fixed establishment, the openly outer wall of main part case is opened there is the spacing groove, and the inner wall of spacing groove is connected with. The invention effectively avoids the possible leakage problem at the top end of the fire-fighting steel cylinder and improves the effectiveness of experimental detection.
Description
Technical Field
The invention relates to the technical field of air tightness tests of fire-fighting steel cylinders, in particular to an air tightness test device of a fire-fighting steel cylinder.
Background
The fire-fighting steel cylinder is a steel bottle-shaped container for storing gas for fire extinguishing. In the field of fire-fighting steel cylinder production, after the fire-fighting steel cylinder is produced, a sealing test is required to be carried out for detecting the sealing property of the fire-fighting steel cylinder. The traditional tightness test is to inject high-pressure gas into the fire-fighting steel cylinder, and judge whether the fire-fighting steel cylinder is qualified or not by observing the change of the pressure of the high-pressure gas.
Through the retrieval, chinese patent application number is CN 201920787861.7's patent, discloses a steel bottle gas tightness detection device, including the water tank, the central authorities of water tank inner chamber bottom have set firmly the bearing base station, the top of bearing base station is provided with the steel bottle body, the left and right sides at water tank inner chamber top all has set firmly the fixed plate, the first telescopic cylinder of one side fixedly connected with of fixed plate, first telescopic cylinder's free end fixedly connected with arc fixture block. The steel cylinder air tightness detection device in the patent has the following defects: when the steel cylinder is immersed in the water tank, the top end joint of the steel cylinder may leak, so that the problem of 'misjudgment' is easily caused, and therefore, a gas tightness test device for the fire-fighting steel cylinder is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a gas tightness test device for a fire-fighting steel cylinder.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air tightness test device of a fire-fighting steel cylinder comprises a main body box, wherein the outer wall of the front side of the main body box is provided with a mounting hole, the peripheral inner walls of the mounting holes are all provided with the same tempered glass, the inner wall of the bottom of the main body box is provided with a fixed seat, the inside of the fixed seat is provided with a self-locking mechanism, the outer walls of the two sides of the main body box are both provided with sliding grooves, the inner walls of the two sliding grooves are both connected with L-shaped sliding rods in a sliding manner, one end of each L-shaped sliding rod opposite to the other end of the corresponding sliding rod is provided with a connecting plate, the bottom of the connecting plate is provided with, the inner wall of the limit groove is connected with a fixing frame through a sealing strip, the outer wall of the front surface of the fixing frame is provided with a through hole, and the top outer wall of the fixing frame is provided with a fixed supporting plate, the top outer wall of the fixed supporting plate is fixed with a motor through a supporting plate, an output shaft of the motor is provided with a threaded rod, and one end of the threaded rod penetrates through the connecting plate.
Preferably: self-locking mechanism includes two spliced poles, four fixed plates, two L type draw-in grooves, two joint pieces, two connecting blocks, two spacing rings, spring and solid fixed ring, and the bottom inner wall of fixing base is opened there is the mounting groove, and the spring welds on the bottom inner wall of mounting groove.
Further: the fixing ring is welded at the top end of the spring, the connecting shaft is inserted into the inner wall of the circumference of the top of the fixing ring, the two limiting rings are respectively sleeved on the outer wall of the circumference of the connecting shaft, the distance is reserved between the two limiting rings, and the fixing seat is welded with the fixing blocks close to the inner walls of the bottoms of the two sides of the spring.
On the basis of the scheme: every the fixed plate all welds in the top both sides outer wall of fixed block, and two joint pieces and two connecting blocks are fixed in between per two relative fixed plate through the installation axle respectively, and two joint pieces and two opposite one side outer walls of connecting block all open and have the groove of accomodating.
The better scheme in the scheme is as follows: two the spliced pole is fixed in the groove of accomodating of two joint pieces and two connecting blocks respectively through the pivot, and the relative one end of two connecting blocks is duckbilled type structure, and the both sides of connecting block duckbilled portion all opened has the recess, and the recess joint is passed through between two spacing rings to the relative one end of two connecting blocks.
As a further scheme of the invention: the clamping and fixing mechanism comprises two electromagnetic chucks, two expansion plates and two arc-shaped grooves, and the end parts of the two electromagnetic chucks are fixed on the outer walls of the two sides of the bottom of the connecting plate respectively through threads.
And meanwhile, the outer walls of the front and back bottoms of the connecting plate are provided with limiting holes, and the two expansion plates are respectively clamped in the two limiting holes in a sliding manner through limiting blocks.
As a preferable aspect of the present invention: two the relative one side outer wall in expansion plate bottom all is provided with joint portion, and two arc walls are opened respectively on two joint portions.
Meanwhile, the outer wall of the circumference of the top of the fixing seat is welded with a conical sealing ring, and the inner wall of the conical sealing ring is provided with an inner annular groove.
The invention has the beneficial effects that:
1. this air tightness test device of fire control steel bottle, when one of them spacing ring on fire control steel bottle top end joint department extrusion connecting axle top, make the spring shrinkage of solid fixed ring bottom, and this moment, two downwardly moving's spacing ring has driven the duckbill portion downward sloping of two connecting blocks, thereby the pivot of two opposite one sides of connecting block has been driven is rotatory, make two spliced poles to opposite one side slope, and two joint pieces have been driven to relative one side slope, and two L type draw-in grooves of the relative one end of joint piece have effectively blocked the neck of fire control steel bottle this moment, the auto-lock of fire control steel bottle top end joint department has been promoted from this, the fixed effect on fire control steel bottle top has been guaranteed.
2. This airtight test device of fire control steel bottle, through fire control steel bottle top joint in the inner ring groove of the tapered sealing ring on fixing base top, effectively avoided the leakage problem that fire control steel bottle top probably appears, improved the validity that the experiment detected.
3. This airtight test device of fire control steel bottle, through circular telegram with two electromagnetic chuck to adsorb two electromagnetic chuck outputs on the bottom of fire control steel bottle, simultaneously, block on the welding base of fire control steel bottle bottom through two arc draw-in grooves of two telescopic link bottom joint portions, thereby not only effectively promoted the fixing to fire control steel bottle bottom, guaranteed the stability of fire control steel bottle at the in-process that descends moreover.
4. This airtight test device of fire control steel bottle, through starter motor, the motor drives the threaded rod rotatory, and rotatory threaded rod has driven the connecting plate on its circumference and the L type slide bar at both ends to slide in the spout of main part case both sides to play and soaked the effect in the main part case to whole fire control steel bottle.
Drawings
FIG. 1 is a schematic structural diagram of a fire-fighting steel cylinder gas tightness test device according to the present invention;
FIG. 2 is a schematic diagram of a side view of a gas tightness testing device for a fire-fighting steel cylinder according to the present invention;
FIG. 3 is a schematic top view of the gas tightness testing device for the fire-fighting steel cylinder according to the present invention;
FIG. 4 is a schematic cross-sectional view of a fixing base of the gas tightness testing apparatus for a fire-fighting steel cylinder according to the present invention;
fig. 5 is a schematic partial structural view of a gas tightness test device for a fire-fighting steel cylinder according to the present invention.
In the figure: 1-a main body box, 2-tempered glass, 3-a fixing frame, 4-L-shaped sliding rods, 5-a connecting plate, 6-a motor, 7-a sliding chute, 8-a fixing seat, 9-a threaded rod, 10-a limiting ring, 11-an electromagnetic chuck, 12-a fixing support plate, 13-a connecting column, 14-a fixing plate, 15-L-shaped clamping grooves, 16-a connecting block, 17-a limiting ring, 18-a spring, 19-a fixing ring, 20-a rotating shaft, 21-a telescopic plate and 22-an arc-shaped groove.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
An air tightness test device of a fire-fighting steel cylinder is shown in figures 1-5 and comprises a main body box 1, wherein the outer wall of the front side of the main body box 1 is provided with a mounting hole, the peripheral inner wall of the mounting hole is fixed with the same tempered glass 2 through bolts, the inner wall of the bottom of the main body box 1 is fixed with a fixed seat 8 through bolts, a self-locking mechanism is arranged inside the fixed seat 8, the outer wall of the circumference of the top of the fixed seat 8 is welded with a conical sealing ring, the inner wall of the conical sealing ring is provided with an inner annular groove, the outer walls of the two sides of the main body box 1 are respectively provided with a sliding groove 7, the inner walls of the two sliding grooves 7 are respectively connected with an L-shaped sliding rod 4 in a sliding manner, the opposite ends of the two L-shaped sliding rods 4 are respectively fixed with the same connecting plate 5 through bolts, the, the outer wall of the front face of the fixed frame 3 is provided with a through hole, the outer wall of the top of the fixed frame 3 is fixed with a fixed support plate 12 through a bolt, the outer wall of the top of the fixed support plate 12 is fixed with a motor 6 through a support plate, an output shaft of the motor 6 is connected with a threaded rod 9 through threads, and one end of the threaded rod 9 penetrates through the connecting plate 5; when the fire-fighting steel cylinder is used, the fire-fighting steel cylinder is guided into the main body box 1 from the through hole, the bottom end of the fire-fighting steel cylinder is fixed through the clamping and fixing mechanism at the bottom of the connecting plate 5, at the moment, the fire-fighting steel cylinder vertically falls, the top end of the fire-fighting steel cylinder is clamped into the fixing seat 8, and the top end of the fire-fighting steel cylinder is sealed in the fixing seat 8 through the self-locking mechanism in the fixing seat 8, so that the problem that the experimental result is influenced by leakage at the joint of the fire-fighting steel cylinder is solved, then, the motor 6 is started, the motor 6 drives the threaded rod 9 to rotate, the rotating threaded rod 9 drives the connecting plate 5 on the circumference and the L-shaped sliding rods 4 at the two ends to slide in the sliding grooves 7 at the two sides of the main body box 1, so as to play a role of immersing the whole fire-fighting steel cylinder into the main body box, the fire-fighting steel cylinder needs to be repaired immediately.
In order to facilitate fixing and sealing of the joint at the top end of the fire-fighting steel cylinder; as shown in fig. 4, the self-locking mechanism includes two connecting posts 13, four fixing plates 14, two L-shaped slots 15, two clamping blocks, two connecting blocks 16, two limiting rings 17, a spring 18 and a fixing ring 19, wherein the bottom inner wall of the fixing seat 8 is provided with a mounting groove, the spring 18 is welded on the bottom inner wall of the mounting groove, the fixing ring 19 is welded on the top end of the spring 18, the top circumferential inner wall of the fixing ring 19 is inserted with a connecting shaft, the two limiting rings 17 are respectively sleeved on the circumferential outer wall of the connecting shaft, a distance is reserved between the two limiting rings 17, fixing blocks are welded on the bottom inner walls of the fixing seat 8 near the two sides of the spring 18, each fixing plate 14 is welded on the top two side outer walls of the fixing block, the two clamping blocks and the two connecting blocks 16 are respectively fixed between every two opposite fixing plates 14 through the mounting shaft, the outer, the two connecting columns 13 are respectively fixed in the accommodating grooves of the two clamping blocks and the two connecting blocks 16 through rotating shafts 20, the opposite ends of the two connecting blocks 16 are of duckbill structures, grooves are formed in the two sides of the duckbill of each connecting block 16, and the opposite ends of the two connecting blocks 16 are clamped between the two limiting rings 17 through the grooves; when in use, when the joint at the top end of the fire-fighting steel cylinder extrudes one of the limiting rings 17 at the top end of the connecting shaft, the spring 18 at the bottom of the fixing ring 19 is contracted, at this time, the two limiting rings 17 moving downwards drive the duckbills of the two connecting blocks 16 to incline downwards, thereby driving the rotating shafts 20 at the opposite sides of the two connecting blocks 16 to rotate, so that the two connecting posts 13 incline towards the opposite sides, and driving the two clamping blocks to incline towards the opposite sides, at the moment, the two L-shaped clamping grooves 15 at the opposite ends of the clamping blocks effectively clamp the neck of the fire-fighting steel cylinder, thereby promoting the self-locking of the joint at the top end of the fire-fighting steel cylinder, ensuring the fixing effect of the top end of the fire-fighting steel cylinder, meanwhile, the top end of the fire-fighting steel cylinder is clamped in the conical sealing ring on the top end of the fixing seat 8, the leakage problem possibly occurring on the top end of the fire-fighting steel cylinder is effectively avoided, and the effectiveness of experimental detection is improved.
In order to effectively limit and fix the bottom end of the fire-fighting steel cylinder; as shown in fig. 5, the clamping and fixing mechanism includes two electromagnetic chucks 11, two expansion plates 21 and two arc-shaped grooves 22, the end portions of the two electromagnetic chucks 11 are respectively fixed on the outer walls of the two sides of the bottom of the connecting plate 5 through threads, the outer walls of the bottom of the front and back of the connecting plate 5 are both provided with limiting holes, the two expansion plates 21 are respectively clamped in the two limiting holes through limiting blocks in a sliding manner, the outer wall of one side of the bottom end of each expansion plate 21 opposite to the other side is provided with a clamping portion, and the two arc-shaped grooves 22 are respectively arranged on the two clamping portions; during the use, with two electromagnet 11 circular telegrams to adsorb two electromagnet 11 outputs on the bottom of fire control steel bottle, simultaneously, on two arc draw-in grooves 22 through two telescopic link 21 bottom joint portions blocked the welding base of fire control steel bottle bottom, thereby not only effectively promoted the fixed to fire control steel bottle bottom, guaranteed the stability of fire control steel bottle at the in-process that descends moreover.
When the steel bottle is used, the fire-fighting steel bottle is guided into the main body box 1 from the through hole, the two electromagnetic suckers 11 are electrified, the output ends of the two electromagnetic suckers 11 are adsorbed on the bottom end of the fire-fighting steel bottle, meanwhile, the two arc-shaped clamping grooves 22 at the bottom end clamping parts of the two telescopic rods 21 are clamped on the welding base at the bottom of the fire-fighting steel bottle, the motor 6 is started, the motor 6 drives the threaded rod 9 to rotate, the rotating threaded rod 9 drives the connecting plate 5 on the circumference and the L-shaped sliding rods 4 at the two ends to slide in the sliding grooves 7 at the two sides of the main body box 1, so that the whole fire-fighting steel bottle is immersed into the main body box 1, then, the top end of the vertically falling fire-fighting steel bottle is embedded into the fixing seat 8 through the cone-shaped sealing ring, when one limiting ring 17 at the top end of the connecting, and this moment, two collars 17 of downward movement have driven the duckbill downward sloping of two connecting blocks 16, thereby the pivot 20 that has driven two connecting blocks 16 opposite one side is rotatory, make two spliced poles 13 to opposite one side slope, and two joint pieces have been driven to relative one side slope, and two L type draw-in grooves 15 of the relative one end of joint piece have effectively blocked the neck of fire control steel bottle this moment, the auto-lock of fire control steel bottle top end joint department has been promoted from this, the fixed effect on fire control steel bottle top has been guaranteed, and finally, leading-in appropriate water in to main part case 1, make the whole submergence of fire control steel bottle in aqueous, there is the bubble to produce when the aquatic, then prove fire control steel bottle gas tightness goes wrong, need repair the fire control steel bottle immediately.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An air tightness test device of a fire-fighting steel cylinder comprises a main body box (1) and is characterized in that a mounting hole is formed in the outer wall of the front side of the main body box (1), the inner walls of the periphery of the mounting hole are provided with the same tempered glass (2), a fixing seat (8) is arranged on the inner wall of the bottom of the main body box (1), a self-locking mechanism is arranged inside the fixing seat (8), sliding grooves (7) are formed in the outer walls of the two sides of the main body box (1), the inner walls of the two sliding grooves (7) are connected with L-shaped sliding rods (4) in a sliding mode, the opposite ends of the two L-shaped sliding rods (4) are provided with the same connecting plate (5), a clamping and fixing mechanism is arranged at the bottom of the connecting plate (5), a limiting groove is formed in the outer wall of the front side of the main body box (1), the inner wall of the limiting groove is connected with a fixing, the top outer wall of the fixed supporting plate (12) is fixed with a motor (6) through a supporting plate, an output shaft of the motor (6) is provided with a threaded rod (9), and one end of the threaded rod (9) penetrates through the connecting plate (5).
2. The airtightness test device for the fire-fighting steel cylinder according to claim 1, wherein the self-locking mechanism comprises two connecting columns (13), four fixing plates (14), two L-shaped clamping grooves (15), two clamping blocks, two connecting blocks (16), two limiting rings (17), a spring (18) and a fixing ring (19), a mounting groove is formed in the bottom inner wall of the fixing seat (8), and the spring (18) is welded on the bottom inner wall of the mounting groove.
3. The airtightness test device for the fire-fighting steel cylinder as claimed in claim 2, wherein the fixing ring (19) is welded at the top end of the spring (18), the connecting shaft is inserted into the circumferential inner wall at the top of the fixing ring (19), the two limiting rings (17) are respectively sleeved on the circumferential outer wall of the connecting shaft, a distance is left between the two limiting rings (17), and the fixing blocks are welded on the inner walls of the bottoms of the fixing seats (8) close to the two sides of the spring (18).
4. The gas tightness test device of the fire-fighting steel cylinder as claimed in claim 2, wherein each fixing plate (14) is welded on the outer wall of the two sides of the top of the fixing block, two clamping blocks and two connecting blocks (16) are respectively fixed between each two opposite fixing plates (14) through mounting shafts, and the outer wall of one side of each of the two clamping blocks and the outer wall of the other side of each of the two connecting blocks (16) are provided with accommodating grooves.
5. The airtightness test device for the fire-fighting steel cylinder as claimed in claim 2, wherein the two connecting columns (13) are respectively fixed in the receiving grooves of the two clamping blocks and the two connecting blocks (16) through the rotating shaft (20), the opposite ends of the two connecting blocks (16) are of a duckbill structure, grooves are formed in both sides of the duckbill part of the connecting blocks (16), and the opposite ends of the two connecting blocks (16) are clamped between the two limiting rings (17) through the grooves.
6. The airtightness test device for the fire-fighting steel cylinder according to claim 1, wherein the clamping and fixing mechanism comprises two electromagnetic chucks (11), two expansion plates (21) and two arc-shaped grooves (22), and the ends of the two electromagnetic chucks (11) are respectively fixed on the outer walls of the two sides of the bottom of the connecting plate (5) through threads.
7. The air tightness test device of the fire-fighting steel cylinder as claimed in claim 6, wherein the outer walls of the bottoms of the front and back sides of the connecting plate (5) are respectively provided with a limiting hole, and the two expansion plates (21) are respectively clamped in the two limiting holes in a sliding manner through a limiting block.
8. The airtightness test device for the fire-fighting steel cylinder as claimed in claim 6, wherein the outer walls of the opposite sides of the bottom ends of the two expansion plates (21) are provided with clamping portions, and the two arc-shaped grooves (22) are respectively formed on the two clamping portions.
9. The airtightness test device for the fire-fighting steel cylinder as claimed in claim 1, wherein a conical sealing ring is welded to the outer wall of the top circumference of the fixing seat (8), and an inner annular groove is formed in the inner wall of the conical sealing ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627438.8A CN111795782B (en) | 2020-07-02 | 2020-07-02 | Air tightness test device of fire-fighting steel cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627438.8A CN111795782B (en) | 2020-07-02 | 2020-07-02 | Air tightness test device of fire-fighting steel cylinder |
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| CN111795782A true CN111795782A (en) | 2020-10-20 |
| CN111795782B CN111795782B (en) | 2022-05-17 |
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| CN112377742A (en) * | 2020-11-10 | 2021-02-19 | 胡艳荣 | Industrial equipment data acquisition method and device |
| CN112857697A (en) * | 2021-03-09 | 2021-05-28 | 李续磊 | Casting leakage detection device and detection method thereof |
| CN116990210A (en) * | 2023-09-27 | 2023-11-03 | 常州市蓝博氢能源科技有限公司 | Hydrogen storage bottle permeability influence test device for producing hydrogen by water electrolysis |
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| JP2012250029A (en) * | 2011-05-11 | 2012-12-20 | Miyata Ind Co Ltd | Device and method of testing leakage in fire extinguisher |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN111795782B (en) | 2022-05-17 |
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