CN112834127A - Quick air leakage detection device for pressure container - Google Patents
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- CN112834127A CN112834127A CN202110363766.6A CN202110363766A CN112834127A CN 112834127 A CN112834127 A CN 112834127A CN 202110363766 A CN202110363766 A CN 202110363766A CN 112834127 A CN112834127 A CN 112834127A
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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
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Abstract
The invention provides a rapid air leakage detection device for a pressure container, which relates to the technical field of pressure container detection and aims to solve the problems that when the air leakage detection of the pressure container is generally carried out, inert gas needs to be filled into the container in advance, so that leakage points are difficult to find in time, the working hours are long, and when water is sprayed, the leakage points are difficult to observe due to the fact that a water film is not formed; the front end of the detection box is fixedly sleeved with a sealing cover, the sealing cover is of a frame structure penetrating through the front and the back, and the left side plate and the right side plate of the sealing cover are of a bent structure concave back; the rear end of the detection box is fixedly butted with a detection box, the front end of the detection box is of a cuboid structure, and the rear end of the detection box is of a semi-cylindrical structure. According to the invention, as the toughened glass sealing plate is fixedly blocked on the arc surface at the back of the detection box, the pressure container to be detected is filled with pressure, and the change coefficient of the pressure gauge is not required to be observed for a long time, so that the result can be rapidly obtained.
Description
Technical Field
The invention relates to the technical field of pressure container detection, in particular to a quick air leakage detection device for a pressure container.
Background
The pressure container is a closed device which contains gas or liquid and bears a certain pressure. For a pressure container for containing gas, gas leakage is a problem to be solved in the design and production processes of the pressure container, and firstly, whether the pressure container leaks gas or not is detected.
As in patent application CN202020387827.3 quick gas leakage detection device of pressure vessel, including connecting pipe, pipe and guide bar, threaded connection is passed through at the connecting pipe upper end to the pipe lower extreme, pipe upper surface is fixed with transparent sleeve, be provided with sealing plug and light spring in the transparent sleeve, light spring is located the sealing plug upside, the guide bar is located transparent sleeve upside, the guide bar lower extreme runs through transparent sleeve upper surface and light spring and with the sealing plug upper surface fixed connection. Whether the pressure container leaks gas or not is convenient to judge, the detection efficiency is high, and the method is suitable for assembly line detection.
When the air leakage of the pressure container is detected, the container is required to be filled with inert gas in advance, so that the pressure is raised, the detection is carried out in a mode of spraying water on the surface and observing the numerical value change of a pressure gauge, the waiting time is usually long, errors of normal pressure change exist in the middle, the leakage point is difficult to find in time, the working hour is long, and the leakage point is difficult to observe due to the fact that a water film is not formed during water spraying.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a rapid leakage detection device for a pressure container is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a rapid air leakage detection device for a pressure container, which aims to solve the problems that when the air leakage detection of the pressure container is usually carried out, inert gas needs to be filled into the container in advance to facilitate the pressure rise, the detection is carried out by spraying water on the surface and observing the numerical value change of a pressure gauge, the waiting time is usually long, the error of normal pressure change exists in the middle, the leakage point is difficult to find in time, the working hours are long, and the leakage point is difficult to observe when a water film is not formed during the water spraying.
The purpose and the effect of the rapid air leakage detection device of the pressure container are achieved by the following specific technical means:
a quick air leakage detection device for a pressure container comprises a detection box;
the front end of the detection box is fixedly sleeved with a sealing cover, the sealing cover is of a frame structure penetrating through the front and the back, and the left side plate and the right side plate of the sealing cover are of a bent structure concave back;
the rear end of the detection box is fixedly butted with a detection box, the front end of the detection box is of a cuboid structure, and the rear end of the detection box is of a semi-cylindrical structure;
the fixed frame ring is sleeved at the rear end of the detection box, the front end of the fixed frame is vertically and fixedly connected with the rear end of the sealing cover, and the rear end of the fixed frame is sleeved at the rear position of the detection box;
the middle part of the detection box is transversely and rotatably provided with a pressure balance pipe which is of an L-shaped structure, wherein the tail end position of the outer pipe at the right end of the pressure balance pipe is connected with the edge of the right end of the detection box in a sliding manner through a sliding guide block;
the lower end of the sliding guide block is fixedly connected with a gravity center traction block, and the gravity center traction block is sleeved on the outer pipe at the right end of the pressure balance pipe in a sliding mode.
Further, the detection box includes water conservancy diversion bottom plate and check valve pipe, the water conservancy diversion bottom plate has been laid to the inner chamber rear end of detection box, and the upper end edge department and the lower extreme edge department of water conservancy diversion bottom plate are the inclined plane structure that leans out respectively, and check valve pipe then fixed mounting has the middle part position at the water conservancy diversion bottom plate, and the rear end of check valve pipe stretches into in the detection case inner chamber, and the check valve pipe is by forward backward one-way channel.
Further, the sealed cowling includes the welt, respectively fixed mounting has horizontal welt on the top plane of sealed cowling and the bottom plane, and the rear end of welt is fixed with the front end of fixed frame and is connected.
Further, the fixed frame comprises fixing rods, a lifting plate and a holding rod, four fixing rods are respectively and vertically and fixedly mounted at four corners of the fixed frame, the lifting plate is fixedly connected between the rear ends of the four fixing rods, and the holding rod is vertically and fixedly mounted in grooves of edges at the left end and the right end of the lifting plate.
Further, the detection case is including card edge and toughened glass shrouding, the right-hand member lateral wall border position department fixed mounting of detection case has the card edge of T type form, and fixed shutoff has the toughened glass shrouding on the back cambered surface of detection case, and the toughened glass shrouding is transparent structure.
Further, the pressure balance pipe comprises a water stop head and a communicating inner opening, the water stop head is embedded at the upper end of the inner cavity of the outer pipe of the right end of the pressure balance pipe in a fixed sealing mode, the water stop head is of a pipe cavity structure with a wide upper part and a narrow lower part, the front end of the transverse pipe, located in the inner cavity of the detection box, of the pressure balance pipe is provided with a transverse communicating inner opening, and the length of the outer pipe of the right end of the pressure balance pipe is four times of the radius of the rear end of the.
Further, the sliding guide piece includes the pulley, the pulley is installed through the pivot rotation respectively to the upper end and the lower extreme of sliding guide piece left end lateral wall, and two pulleys are tangent along inside wall and lateral wall with the card respectively.
Further, the center of gravity tractive chunk includes buffer spring and balancing weight, the perpendicular fixed mounting in upper end of center of gravity tractive chunk has buffer spring, and buffer spring slides and cup joints on pressure balance pipe, and the lower extreme of center of gravity tractive chunk is through the perpendicular downward fixed mounting of two curb plates in front and back having the balancing weight.
Compared with the prior art, the invention has the following beneficial effects:
1. because the fixed shutoff in the back cambered surface of detection case has the toughened glass shrouding, the toughened glass shrouding is transparent construction, when getting into the air in the check valve pipe, the bubble is bloated to the one end that the accessible was arranged in the detection case, sees through the toughened glass shrouding can clearly observe to but the rapid judgement gas leakage point, as long as will wait to detect pressure vessel in be full of pressure can, the change coefficient of manometer is observed in the waiting for of rethread long time, can reachd the result fast.
2. Because the pressure balance pipe uses the center to rotate as the pivot through the sliding guide piece on the right-hand member lateral wall of detection case, so that the user equipment uses at different angles, pressure balance pipe accessible sliding guide piece angle of adjustment, avoid inside liquid to spill, the lower extreme of focus tractive chunk has the balancing weight through two perpendicular downward fixed mounting of curb plate around, accessible focus tractive chunk tractive pressure balance pipe is in vertical state, avoid inside liquid to spill, and focus tractive chunk accessible focus moves down, make the pressure balance pipe adjusted according to the angle by automatic tractive, the suitability is wider.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front right upper axial view of the present invention.
Fig. 2 is a schematic diagram of an enlarged portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the left rear upper axial view of the present invention.
Fig. 4 is an axial view of the tempered glass sealing plate in the removed state.
Fig. 5 is a schematic diagram of the enlarged part B in fig. 4 according to the present invention.
Fig. 6 is a partial axial view of the pressure balance tube and the sliding guide block of the present invention.
Fig. 7 is a schematic axial view of the pressure balance pipe of the present invention in a half-section separated state.
Fig. 8 is a schematic diagram of the enlarged portion C of fig. 7 according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a detection cartridge; 101. a flow guide bottom plate; 102. a check valve tube; 2. a sealing cover; 201. a liner plate; 3. a fixing frame; 301. fixing the rod; 302. lifting the plate; 303. a holding rod; 4. a detection box; 401. clamping edges; 402. a tempered glass closing plate; 5. a pressure balance tube; 501. a water stop head; 502. the inner port is communicated; 6. a sliding guide block; 601. a pulley; 7. the gravity pulls the block; 701. a buffer spring; 702. and a balancing weight.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a rapid air leakage detection device for a pressure container, which comprises a detection box 1;
the front end of the detection box 1 is fixedly sleeved with a sealing cover 2, the sealing cover 2 is a frame structure penetrating through the front and the back, and the left side plate and the right side plate of the sealing cover 2 are of a bent structure concave back;
the rear end of the detection box 1 is fixedly butted with a detection box 4, the front end of the detection box 4 is of a cuboid structure, and the rear end of the detection box 4 is of a semi-cylindrical structure;
the fixing frame 3 is sleeved at the rear end of the detection box 1 in a sleeving manner, the front end of the fixing frame 3 is vertically and fixedly connected with the rear end of the sealing cover 2, and the rear end of the fixing frame 3 is sleeved at the rear side position of the detection box 4;
the middle part of the detection box 4 is transversely and rotatably provided with a pressure balance pipe 5, the pressure balance pipe 5 is of an L-shaped structure, and the tail end position of the outer pipe at the right end of the pressure balance pipe 5 is connected with the edge of the right end of the detection box 4 in a sliding manner through a sliding guide block 6;
the lower end of the sliding guide block 6 is fixedly connected with a gravity center traction block 7, and the gravity center traction block 7 is sleeved on the outer pipe at the right end of the pressure balance pipe 5 in a sliding mode.
Wherein, the detecting box 1 includes water conservancy diversion bottom plate 101 and check valve pipe 102, water conservancy diversion bottom plate 101 has been laid to the inner chamber rear end of detecting box 1, the upper end edge department and the lower extreme edge department of water conservancy diversion bottom plate 101 are the inclined plane structure that leans out respectively, check valve pipe 102 then fixed mounting has the middle part position at water conservancy diversion bottom plate 101, the rear end of check valve pipe 102 stretches into in detecting box 4 inner chamber, check valve pipe 102 is by preceding backward one-way passageway, can reduce the inner space of detecting box 1 through water conservancy diversion bottom plate 101, can guarantee that detection effect is more sensitive, and check valve pipe 102 can guarantee that gas enters into detecting box 4 from the outside, and the liquid in detecting box 4 then can not enter into detecting box 1, can guarantee to be unanimous with atmospheric pressure all the time in detecting box 4, be convenient for comparing the detection.
Wherein, sealed cowling 2 includes welt 201, and on the top plane of sealed cowling 2 and the bottom plane respectively fixed mounting have horizontal welt 201, the rear end of welt 201 is fixed with the front end of fixed frame 3 and is connected, and accessible sealed cowling 2 is easily revealed the department with pressure vessel's flange and is closely combined to in carrying out gas leakage detection, can carry out the multiple spot and detect, it is convenient to use.
Wherein, fixed frame 3 includes dead lever 301, carry out arm-tie 302 and holding rod 303, and the four corners department of fixed frame 3 is perpendicular fixed mounting respectively has four dead levers 301, and fixedly connected with carries out arm-tie 302 between the rear end of four dead levers 301, and vertical fixed mounting has holding rod 303 in the recess of carrying out arm-tie 302 and controlling both ends edge, and the handheld holding rod 303 of accessible is detected sealed cowling 2 with waiting to detect the laminating of point.
Wherein, detection case 4 includes card edge 401 and toughened glass shrouding 402, the right-hand member lateral wall border position department fixed mounting of detection case 4 has the card edge 401 of T type form, fixed shutoff has toughened glass shrouding 402 on the back cambered surface of detection case 4, toughened glass shrouding 402 is transparent structure, when getting into the air in check valve pipe 102, the bubble is bloated to the one end that the accessible was arranged in detection case 4, see through toughened glass shrouding 402 and can clearly observe, thereby can judge the gas leakage point fast, and the card is followed 401 and then can guide the 6 parts of sliding guide piece and slide.
Wherein, pressure balance pipe 5 includes stagnant water head 501 and intercommunication internal orifice 502, the fixed seal in right-hand member outer tube inner chamber upper end of pressure balance pipe 5 has inlayed stagnant water head 501, stagnant water head 501 is narrow tube cavity structure under the wide, pressure balance pipe 5 is located the violently pipe front end of detection case 4 inner chamber and has seted up horizontal intercommunication internal orifice 502, the length of the right-hand member outer tube of pressure balance pipe 5 is four times of detection case 4 rear end radius's third, can make detection case 4 balanced with outside atmospheric pressure through pressure balance pipe 5, the reducible probability that inside liquid of stagnant water head 501 spilt.
Wherein, the sliding guide piece 6 includes pulley 601, the upper end and the lower extreme of the 6 left end lateral walls of sliding guide piece rotate through the pivot respectively and install pulley 601, two pulley 601 are tangent along 401 inside wall and lateral wall with the card respectively, pressure balance pipe 5 passes through sliding guide piece 6 and uses the center to rotate as the pivot on the right-hand member lateral wall of detection case 4, so that the user equipment uses at different angles, the 6 angle of adjustment of 5 accessible sliding guide pieces of pressure balance pipe, avoid inside liquid to spill.
Wherein, focus tractive chunk 7 includes buffer spring 701 and balancing weight 702, the perpendicular fixed mounting in upper end of focus tractive chunk 7 has buffer spring 701, buffer spring 701 slides and cup joints on pressure balance pipe 5, the lower extreme of focus tractive chunk 7 has balancing weight 702 through the perpendicular downward fixed mounting of two curb plates in front and back, 7 tractive pressure balance pipes 5 of accessible focus tractive chunk are in vertical state, avoid inside liquid to spill, and 7 accessible centrobaric of focus tractive chunk move down, make pressure balance pipe 5 adjusted according to the angle by automatic tractive, the suitability is wider.
The specific use mode and function of the embodiment are as follows:
in the using process, the sealing cover 2 can be attached to the point to be detected by holding the holding rod 303 for detection, the top plane and the bottom plane of the sealing cover 2 are respectively and fixedly provided with the transverse lining plates 201, the rear end of each lining plate 201 is fixedly connected with the front end of the fixing frame 3, the sealing cover 2 can be tightly combined with the easy-to-leak part of the flange of the pressure container so as to be convenient for air leakage detection, multi-point detection can be carried out, the use is convenient, the edge position of the side wall of the right end of the detection box 4 is fixedly provided with a T-shaped clamping edge 401, the back cambered surface of the detection box 4 is fixedly blocked with a toughened glass sealing plate 402, the toughened glass sealing plate 402 is of a transparent structure, when air enters the check valve pipe 102, bubbles can be blown up through one end arranged in the detection box 4, the air leakage point can be clearly observed through the toughened glass sealing plate 402, so that the air leakage point can be quickly judged, the length of the outer pipe at the right end of the pressure balance pipe 5 is four times of the radius of the rear end of the detection box 4, the detection box 4 can be balanced with the external atmospheric pressure through the pressure balance pipe 5, the probability of internal liquid leakage can be reduced through the water stop head 501, the pressure balance pipe 5 can be pulled to be in a vertical state through the gravity center pulling block 7, the internal liquid leakage is avoided, the gravity center pulling block 7 can move downwards through the gravity center, the pressure balance pipe 5 can be automatically pulled to be adjusted according to the angle, and the applicability is wider.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a quick gas leakage detection device of pressure vessel which characterized in that: comprises a detection box (1);
the front end of the detection box (1) is fixedly sleeved with a sealing cover (2), the sealing cover (2) is of a frame structure penetrating through the front and the back, and the left side plate and the right side plate of the sealing cover (2) are of a bent structure concave back;
the rear end of the detection box (1) is fixedly butted with a detection box (4), the front end of the detection box (4) is of a cuboid structure, and the rear end of the detection box (4) is of a semi-cylindrical structure;
the fixing frame (3) is sleeved at the rear end of the detection box (1), the front end of the fixing frame (3) is vertically and fixedly connected with the rear end of the sealing cover (2), and the rear end of the fixing frame (3) is sleeved at the rear side position of the detection box (4);
the middle part of the detection box (4) is transversely and rotatably provided with a pressure balance pipe (5), the pressure balance pipe (5) is of an L-shaped structure, and the tail end position of the outer pipe at the right end of the pressure balance pipe (5) is connected to the edge of the right end of the detection box (4) in a sliding mode through a sliding guide block (6);
the lower end of the sliding guide block (6) is fixedly connected with a gravity center traction block (7), and the gravity center traction block (7) is sleeved on the outer pipe at the right end of the pressure balance pipe (5) in a sliding mode.
2. A rapid leak detection device for a pressure vessel according to claim 1, wherein: detect box (1) including water conservancy diversion bottom plate (101) and check valve pipe (102), water conservancy diversion bottom plate (101) have been laid to the inner chamber rear end of detecting box (1), and the upper end edge department and the lower extreme edge department of water conservancy diversion bottom plate (101) are the inclined plane structure that leans out respectively, and check valve pipe (102) then fixed mounting has the middle part position at water conservancy diversion bottom plate (101), and the rear end of check valve pipe (102) stretches in detection case (4) inner chamber, and check valve pipe (102) are by preceding backward one-way passageway.
3. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the sealed cowling (2) include welt (201), respectively fixed mounting has horizontal welt (201) on the top plane of sealed cowling (2) and the bottom plane, and the rear end of welt (201) is fixed with the front end of fixed frame (3) and is connected.
4. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the fixing frame (3) comprises fixing rods (301), lifting plates (302) and holding rods (303), four corners of the fixing frame (3) are respectively and vertically and fixedly provided with the four fixing rods (301), the lifting plates (302) are fixedly connected between the rear ends of the four fixing rods (301), and the holding rods (303) are vertically and fixedly arranged in grooves of edges at the left end and the right end of each lifting plate (302).
5. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the detection case (4) is including card edge (401) and toughened glass shrouding (402), the card edge (401) of T type form is located fixed mounting to the right-hand member lateral wall edge of detection case (4), and fixed shutoff has toughened glass shrouding (402) on the back cambered surface of detection case (4), and toughened glass shrouding (402) are the transparent construction.
6. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the pressure balance pipe (5) comprises a water stop head (501) and a communicating inner opening (502), the water stop head (501) is embedded at the upper end of the inner cavity of the outer pipe of the right end of the pressure balance pipe (5) in a fixed sealing mode, the water stop head (501) is of a pipe cavity structure which is wide at the upper part and narrow at the lower part, the pressure balance pipe (5) is located at the front end of the transverse pipe of the inner cavity of the detection box (4) and provided with the communicating inner opening (502) in the transverse direction, and the length of the outer pipe of the right end of the pressure balance pipe (5) is four times of the.
7. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the sliding guide block (6) comprises a pulley (601), the upper end and the lower end of the side wall of the left end of the sliding guide block (6) are respectively provided with the pulley (601) through a rotating shaft in a rotating mode, and the two pulleys (601) are respectively tangent to the inner side wall and the outer side wall of the clamping edge (401).
8. A rapid leak detection device for a pressure vessel according to claim 1, wherein: the gravity center pulling block (7) comprises a buffer spring (701) and a balancing weight (702), the buffer spring (701) is vertically and fixedly installed at the upper end of the gravity center pulling block (7), the buffer spring (701) is slidably sleeved on the pressure balance pipe (5), and the balancing weight (702) is vertically and downwardly fixedly installed at the lower end of the gravity center pulling block (7) through the front side plate and the rear side plate.
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| CN202110363766.6A CN112834127B (en) | 2021-04-02 | 2021-04-02 | Quick air leakage detection device for pressure container |
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| CN202110363766.6A CN112834127B (en) | 2021-04-02 | 2021-04-02 | Quick air leakage detection device for pressure container |
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