CN109323078B - Sewage transmission pipe leak source inspection plugging device - Google Patents
Sewage transmission pipe leak source inspection plugging device Download PDFInfo
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- CN109323078B CN109323078B CN201811178472.0A CN201811178472A CN109323078B CN 109323078 B CN109323078 B CN 109323078B CN 201811178472 A CN201811178472 A CN 201811178472A CN 109323078 B CN109323078 B CN 109323078B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 89
- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 238000007689 inspection Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 7
- 238000012824 chemical production Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a device for checking and plugging a leakage point of a sewage transmission pipe, and discloses a device for plugging the end part of the sewage transmission pipe through the matching of a plurality of clamping arms and a fixing ring. Need not to carry out the foreign matter clearance, can effectively improve the efficiency of sewage pipe tip shutoff. The novel anti-theft door cover is characterized in that the screw sleeve is arranged in the center of the cover plate, the cover plate is divided into two parts from the middle, one part of the diameter of the cover plate close to the opening is larger than the other part of the diameter of the cover plate, the fixing ring is arranged in the cover plate, the outer ring of the fixing ring is provided with an inner clamping groove, the guide ring is arranged on one part of the inner wall of the cover plate with the larger diameter and is arranged in the inner clamping groove, the end face, away from the cover plate, of the fixing ring is provided with an annular groove, the limiting ring is arranged on the inner wall of the fixing ring and corresponds to the annular groove, a sealing rubber strip is arranged in the annular groove, the diameter of the annular groove.
Description
Technical Field
The invention discloses a device for checking and plugging a leakage point of a sewage transmission pipe, relates to a device for plugging the sewage transmission pipe when the leakage point of the sewage transmission pipe is checked in chemical production, and belongs to the field of chemical equipment. In particular to a device for plugging the end part of a sewage conveying pipe through the matching of a plurality of clamping arms and a fixing ring.
Background
At present, in chemical production, a sewage discharge pipe is connected to a sewage treatment tank for treatment, then the treated waste liquid is discharged, when sewage is transmitted to the sewage treatment tank, the sewage is mostly transmitted by adopting a pipe body, because most pipe fittings are formed by welding, leakage often occurs in the using process, pollution is caused to be leaked out, the environment is influenced, the leakage point of the sewage discharge pipe needs to be checked, when the leakage point is checked, the larger leakage point can be seen by naked eyes, but the smaller or tiny pipe body needs to be plugged, gas or liquid is suddenly injected inwards, the leakage point is searched by observing the permeation condition of the outer side wall, when the leakage is plugged, the leakage occurs due to the accumulation of foreign matters at the pipe opening of the sewage pipe, the leakage occurs in simple sealing, the leakage is influenced, the existing foreign matters are cleaned firstly and then plugged, time and labor are wasted, and the efficiency is low, simultaneously current shutoff point is mainly fixed through the centre gripping of outer wall, and the structure occupation space is big, and is not compact, uses the transport inconvenient, and plugging structure influences the leak source and detects for reserving the gas injection passageway.
Disclosure of Invention
In order to improve the situation, the invention provides a device for checking and plugging the leakage point of a sewage conveying pipe, which is a device for plugging the end part of the sewage conveying pipe through the matching of a plurality of clamping arms and a fixing ring. Need not to carry out the foreign matter clearance, can effectively improve the efficiency of sewage pipe tip shutoff.
The invention relates to a device for checking and plugging a leak point of a sewage transmission pipe, which is realized by the following steps: the invention relates to a sewage transmission pipe leak point checking and plugging device which comprises a main body device and a pressing device, wherein the main body device comprises a screw sleeve, a cover plate, a hollow pipe, a limiting ring, an inner clamping groove, a fixing ring, a thread, a guide ring and a sealing rubber strip, the screw sleeve is arranged in the center of the cover plate, the cover plate is divided into two parts by the middle, one part of the diameter close to an opening part is larger than the other part of the diameter, the fixing ring is arranged in the cover plate, the outer ring of the fixing ring is provided with the inner clamping groove, the guide ring is arranged on one part of the inner wall with larger diameter of the cover plate and is arranged in the inner clamping groove, the end surface of one end of the fixing ring far away from the cover plate is provided with an annular groove, the limiting ring is arranged on the inner wall of the fixing ring and corresponds to the annular groove, the sealing, the other end of the hollow pipe penetrates out of the fixed ring, threads are arranged on the hollow pipe from one end to one quarter, two ends of the hollow pipe extend outwards respectively, the pressing device comprises a chuck, a driving plate, a rotating shaft, an extrusion contact, a clamping arm, a supporting plate, a driving push plate, a driving convex strip, a guide groove and a rotary groove, the rotary groove is formed in the inner ring of the cover plate and is positioned in the outer ring of a screw sleeve, a plurality of driving push plates are arranged in the rotary groove at equal intervals and are distributed annularly, the driving push plates are of right-angled trapezoid structures, right-angled edges are attached to the inner wall of the cover plate, the small bottom of each driving push plate faces the opening of the cover plate, the large bottom of each driving push plate faces the cover plate, the bevel edge of each driving push plate is of a wave-shaped structure, the driving convex strip is arranged on the bevel edge of each driving push plate, the diameter of the chuck is smaller than that of the fixing ring, a plurality of clamping grooves are formed in the outer ring of the chuck at equal intervals and distributed annularly, the clamping grooves are of a U-shaped structure, openings of the clamping grooves face outwards, the supporting plates are arranged in the groove wall on one side of each clamping groove and are of a U-shaped structure, the U-shaped openings are smaller than the U-shaped openings of the clamping grooves, the plurality of transmission plates are arranged in the plurality of clamping grooves in a one-to-one correspondence mode, two sides of each transmission plate are respectively hinged to the groove wall of each clamping groove through a rotating shaft, each transmission plate is of a triangular structure, the vertex of each transmission plate is located in each clamping groove downwards, a guide groove is formed in the angular position on one side of each transmission plate and is an arc-shaped groove, the guide grooves in the plurality of transmission plates are correspondingly clamped on the plurality of driving convex strips one by one-to-one, one ends of the plurality, and the plurality of extrusion contacts are respectively arranged on the outer side surface of the clamping arm and distributed in rows, are made of rubber and have a hemispherical structure.
When the device is used, when a sewage conveying pipe is subjected to leak point inspection and plugging, in an initial state, a plurality of clamping arms are in a contraction state, the other end of a hollow pipe is firstly extended into the sewage conveying pipe, the plurality of clamping arms are respectively extended into the sewage conveying pipe, the end part of the sewage conveying pipe is clamped into an annular groove at the end part of a fixing ring, a sealing rubber strip seals the end part of the sewage conveying pipe, then a cover plate is rotated, the cover plate drives a threaded sleeve to rotate, the threaded sleeve is in threaded connection with a hollow pipe, then the hollow pipe moves out of the sewage conveying pipe along the threaded sleeve, the hollow pipe drives a chuck to move out of the sewage conveying pipe, the chuck drives a plurality of transmission plates to move, the plurality of transmission plates respectively move to the bottom of a transmission push plate along a driving convex strip, then one side of the plurality of transmission plates deflects downwards, and then the plurality of clamping arms gradually open, and the, the extrusion contact is extruded to enable the fixing ring to be tightly attached to the sewage transmission pipe, the end part of the sewage transmission pipe is sealed and plugged, when a leak point is checked, gas is injected into the sewage transmission pipe through the hollow pipe, then the leak point is searched by observing the gas leakage condition of the sewage transmission pipe, and further foreign matter in the sewage transmission pipe is not required to be cleaned and plugged, so that the labor force is saved, the efficiency is improved, meanwhile, the occupied space is small, the structure is compact, the use and the carrying are convenient, the device is provided with the hollow pipe capable of injecting gas, a gas injection channel is not required to be reserved, and the detection is not influenced;
the diameter of the annular groove is gradually reduced from outside to inside, so that the end part of the sewage conveying pipe can be gradually clamped and fixed, and the end part of the sewage conveying pipe is prevented from sliding out of the annular groove when the clamping arm is not opened;
the hollow pipe is provided with threads from one end to one quarter, and the two ends of the hollow pipe extend outwards respectively, so that a certain length is reserved for the movement of the hollow pipe, and then the transmission plate can move from one end to the other end along the driving convex strip, so that the plurality of clamping arms can be fully expanded and contracted;
the rotary groove is formed in the inner ring of the cover plate and is positioned in the outer ring of the threaded sleeve, so that the transmission push plate cannot rotate along with the cover plate when the cover plate is rotated, and the transmission plate and the clamping arm cannot be clamped due to extra force applied to the rotation of the cover plate;
the transmission push plate is of a right-angle trapezoidal structure, the right-angle side of the transmission push plate is attached to the inner wall of the cover plate, the small bottom of the transmission push plate faces the opening of the cover plate, and the large bottom of the transmission push plate faces the inner wall of the cover plate, so that the distance between the transmission push plate and the inner wall of the cover plate can be gradually reduced from the inner side of the cover plate to the opening, and the plurality of clamping arms can be opened and contracted when the transmission plate moves;
the bevel edge of the transmission push plate is of a wave-shaped structure, and the design that the driving convex strip is arranged on the bevel edge of the transmission push plate is adapted to the arc-shaped structure of the guide groove, so that the guide groove can be always clamped on the driving convex strip in the moving process to drive the transmission plate to deflect and move;
the diameter of the chuck is smaller than that of the fixing ring, so that a space is reserved for the driving arm, and the driving arm can extend out of the fixing ring;
the clamping groove is of a U-shaped structure, and the opening of the clamping groove is outward, so that the transmission plate can deflect outwards in the clamping groove, and the clamping arm is driven to contract or expand;
the support plate is of a U-shaped structure, the U-shaped opening is smaller than the U-shaped opening of the clamping groove, and the support plate can limit the position of the transmission plate on one side of the clamping groove;
the extrusion contact is made of rubber and is of a hemispherical structure, so that the extrusion contact can deform when being extruded and is tightly attached to the inner wall of the sewage conveying pipe, the friction force is increased, and the plugging stability is improved;
the fixing ring is matched with the clamping arm to plug the end part of the sewage conveying pipe, so that the sealing effect is good, the stability is good, foreign matters at the mouth part of the sewage pipe do not need to be cleaned, the time and the labor are saved, and the plugging efficiency is high;
the hollow pipe is matched with the cover plate, and the design of gas injection is carried out after plugging, so that a gas injection channel does not need to be reserved on a plugging structure, the sealing property is good, and the detection of a leakage point is not influenced;
when the plugging device is used for plugging, the plurality of clamping arms are opened, and when the plugging device is not used, the plurality of clamping arms are contracted, so that the plugging device occupies a small space, is more compact and is more convenient to use and carry;
the purpose of plugging the sewage conveying pipe when the leakage point detection is carried out on the sewage conveying pipe in the chemical production is achieved.
Has the beneficial effects.
Firstly, a gas injection channel does not need to be reserved, and the sealing performance is good.
Secondly, compact structure, occupation space is little, the transport of being convenient for.
And thirdly, foreign matter cleaning is not needed, and the plugging efficiency of the end part of the sewage pipe can be effectively improved.
Drawings
FIG. 1 is a three-dimensional exploded view of a device for checking and plugging a leak point of a sewage delivery pipe according to the present invention.
Fig. 2 is a three-dimensional structure view of a sewage conveying pipe leakage point inspection plugging device of the present invention, which only shows a three-dimensional structure view of a cover plate.
In the attached drawings
Wherein the parts are: the device comprises a screw sleeve (1), a cover plate (2), a hollow tube (3), a chuck (4), a transmission plate (5), a rotating shaft (6), an extrusion contact (7), a clamping arm (8), a limiting ring (9), an inner clamping groove (10), a fixing ring (11), a support plate (12), a thread (13), a guide ring (14), a transmission push plate (15), a driving convex strip (16), a guide groove (17), a sealing rubber strip (18) and a rotary groove (19).
The specific implementation mode is as follows:
the invention relates to a device for checking and plugging a leak point of a sewage transmission pipe, which is realized by the following steps: the invention relates to a sewage transmission pipe leak point checking and plugging device which comprises a main body device and a pressing device, wherein the main body device comprises a screw sleeve (1), a cover plate (2), a hollow pipe (3), a limiting ring (9), an inner clamping groove (10), a fixing ring (11), threads (13), a guide ring (14) and a sealing rubber strip (18), the screw sleeve (1) is arranged in the center of the cover plate (2), the cover plate (2) is divided into two parts by the middle, one part of the diameter of the cover plate close to a mouth part is larger than that of the other part, the fixing ring (11) is arranged in the cover plate (2), the inner clamping groove (10) is arranged on the outer ring of the fixing ring (11), the guide ring (14) is arranged on one part of the inner wall of the cover plate (2) with the larger diameter and is arranged in the inner clamping groove (10), an annular groove is arranged on the end face of one end of the fixing ring (11) far, the pressing device is characterized in that the pressing device corresponds to the annular groove, a sealing rubber strip (18) is arranged in the annular groove, the diameter of the annular groove is gradually reduced from outside to inside, one end of a hollow tube (3) is arranged in the screw sleeve (1) and is in threaded connection with the screw sleeve (1), the other end of the hollow tube (3) penetrates out of the fixing ring (11), threads (13) are arranged on the hollow tube (3) from one end to one quarter of the hollow tube, two ends of the hollow tube (3) extend outwards respectively, the pressing device is composed of a chuck (4), a transmission plate (5), a rotating shaft (6), an extrusion contact (7), a clamping arm (8), a support plate (12), a transmission push plate (15), a driving convex strip (16), a guide groove (17) and a rotary groove (19), the rotary groove (19) is formed in the inner ring of the cover plate (2), the rotary groove (19) is located in the outer ring of the screw sleeve (1), and the transmission, the transmission push plate (15) is of a right-angle trapezoid structure, a right-angle edge is attached to the inner wall of the cover plate (2), the small bottom of the transmission push plate (15) faces the opening of the cover plate (2), the large bottom of the transmission push plate faces the interior of the cover plate (2), the bevel edge of the transmission push plate (15) is of a wave structure, a driving convex strip (16) is arranged on the bevel edge of the transmission push plate (15), a chuck (4) is sleeved on the hollow tube (3) and corresponds to the part of the hollow tube (3) without threads (13), the chuck (4) is of a circular block structure, the diameter of the chuck (4) is smaller than that of the fixing ring (11), a plurality of clamping grooves are equidistantly formed in the outer ring of the chuck (4) and are distributed in an annular shape, the clamping grooves are of a U-shaped structure, openings face outward, a supporting plate (12) is arranged in the groove wall on one side of the clamping grooves, the supporting plate (12) is of, the clamping device is characterized in that the plurality of transmission plates (5) are correspondingly arranged in the plurality of clamping grooves one by one, two sides of the transmission plates (5) are respectively hinged on the groove walls of the clamping grooves through rotating shafts (6), the transmission plates (5) are of a triangular structure, vertexes of the transmission plates are downwards positioned in the clamping grooves, guide grooves (17) are formed in the angular positions of one side of each transmission plate (5), the guide grooves (17) are arc-shaped grooves, the guide grooves (17) in the plurality of transmission plates (5) are correspondingly clamped on the plurality of driving convex strips (16) one by one, one ends of the plurality of clamping arms (8) are correspondingly connected with the other sides of the plurality of transmission plates (5) one by one, the other ends of the clamping arms extend out of the fixing rings (11), grooves are formed in the inner sides of the connecting positions of the clamping arms (8) and the transmission plates (5) and correspond to the supporting plates (12), and the plurality of extrusion contacts (7) are respectively arranged on, the extrusion contact (7) is made of rubber and has a hemispherical structure.
When the device is used, when a sewage conveying pipe is subjected to leak point detection plugging, in an initial state, a plurality of clamping arms (8) are in a contraction state, the other end of a hollow pipe (3) firstly extends into the sewage conveying pipe, the plurality of clamping arms (8) respectively extend into the sewage conveying pipe, the end part of the sewage conveying pipe is clamped into an annular groove at the end part of a fixing ring (11), a sealing rubber strip (18) seals the end part of the sewage conveying pipe, then a cover plate (2) is rotated, the cover plate (2) drives a screw sleeve (1) to rotate, the screw sleeve (1) and the hollow pipe (3) are in screw connection, further the hollow pipe (3) moves out of the sewage conveying pipe along the screw sleeve (1), the hollow pipe (3) drives a chuck (4) to move out of the sewage conveying pipe, the chuck (4) drives a plurality of driving plates (5) to move, the plurality of driving plates (5) respectively move to the big bottom of a driving push plate (15), and then one side of the transmission plates (5) deflects downwards, and then the clamping arms (8) are gradually opened, along with the continuous rotation of the cover plate (2), the clamping arms (8) are opened to extrude the sewage transmission pipe, the extrusion contact (7) is extruded, so that the fixed ring (11) is tightly attached to the sewage transmission pipe, further plugging and sealing the end part of the sewage transmission pipe, injecting gas into the sewage transmission pipe through the hollow pipe (3) when the leakage point is detected, then the leakage point is searched by observing the air leakage condition of the sewage transmission pipe, and the foreign matters in the sewage transmission pipe are not required to be cleaned and then blocked, thereby saving labor force, improving efficiency, meanwhile, the device has the advantages of small occupied space, compact structure and convenient use and transportation, and the device is provided with a hollow tube (3) capable of injecting gas, so that a gas injection channel does not need to be reserved, and the detection cannot be influenced;
the diameter of the annular groove is gradually reduced from outside to inside, so that the end part of the sewage conveying pipe can be gradually clamped and fixed, and the end part of the sewage conveying pipe is prevented from sliding out of the annular groove when the clamping arm (8) is not opened;
the hollow pipe (3) is provided with threads (13) from one end to one quarter, and the two ends of the hollow pipe (3) extend outwards respectively, so that a certain length is reserved for the movement of the hollow pipe (3), the transmission plate (5) can move from one end to the other end along the driving convex strip (16), and the plurality of clamping arms (8) can be expanded and contracted completely;
the design that the rotary groove (19) is formed in the inner ring of the cover plate (2) and the rotary groove (19) is located in the outer ring of the threaded sleeve (1) can ensure that the transmission push plate (15) cannot rotate along with the cover plate (2) when the cover plate (2) is rotated, so that the transmission plate (5) and the clamping arm (8) cannot be clamped due to extra force applied to the rotation of the cover plate (2);
the transmission push plate (15) is of a right-angle trapezoidal structure, a right-angle side is attached to the inner wall of the cover plate (2), the small bottom of the transmission push plate (15) faces the opening of the cover plate (2), and the large bottom of the transmission push plate faces the inner wall of the cover plate (2), so that the distance between the transmission push plate (15) and the inner wall of the cover plate (2) is gradually reduced from the cover plate (2) to the opening, and the plurality of clamping arms (8) can be opened and contracted when the transmission plate (5) moves;
the bevel edge of the transmission push plate (15) is of a wave-shaped structure, and the design that the driving convex strip (16) is arranged on the bevel edge of the transmission push plate (15) is adapted to the arc-shaped structure of the guide groove (17), so that the guide groove (17) can be always clamped on the driving convex strip (16) in the moving process to drive the transmission plate (5) to deflect and move;
the diameter of the chuck (4) is smaller than that of the fixing ring (11), so that a space is reserved for the driving arm, and the driving arm can extend out of the fixing ring (11);
the clamping groove is of a U-shaped structure, and the opening of the clamping groove is outward, so that the transmission plate (5) can deflect outwards in the clamping groove, and the clamping arm (8) is driven to contract or expand;
the supporting plate (12) is of a U-shaped structure, the U-shaped opening is smaller than the U-shaped opening of the clamping groove, and the limiting can be formed on one side of the clamping groove to limit the transmission plate (5);
the extrusion contact (7) is made of rubber and is of a hemispherical structure, so that the extrusion contact can deform when being extruded and is tightly attached to the inner wall of a sewage conveying pipe, the friction force is increased, and the plugging stability is improved;
the fixing ring (11) is matched with the clamping arm (8) to plug the end part of the sewage conveying pipe, so that the sealing effect is good, the stability is good, foreign matters at the mouth part of the sewage pipe do not need to be cleaned, the time and the labor are saved, and the plugging efficiency is high;
the hollow tube (3) is matched with the cover plate (2), and the design of gas injection is carried out after plugging, a gas injection channel does not need to be reserved on a plugging structure, so that the sealing property is good, and the detection of a leak point is not influenced;
when the plugging device is used for plugging, the clamping arms (8) are opened, and when the plugging device is not used, the clamping arms (8) are contracted, so that the occupied space is small, the plugging device is more compact, and the use and the transportation are more convenient;
the purpose of plugging the sewage conveying pipe when the leakage point detection is carried out on the sewage conveying pipe in the chemical production is achieved.
Claims (12)
1. A sewage transmission pipe leak source inspection plugging device is characterized in that: the clamping device comprises a main body device and a pressing device, wherein the main body device comprises a threaded sleeve, a cover plate, a hollow tube, a limiting ring, an inner clamping groove, a fixing ring, threads, a guide ring and a sealing rubber strip, the threaded sleeve is arranged in the center of the cover plate, the cover plate is divided into two parts by the middle, one part of the diameter close to the opening part is larger than the other part of the diameter, the fixing ring is arranged in the cover plate, the outer ring of the fixing ring is provided with the inner clamping groove, the guide ring is arranged on one part of the inner wall with the larger diameter of the cover plate and is arranged in the inner clamping groove, the end face, far away from the cover plate, of the fixing ring is provided with an annular groove, the limiting ring is arranged on the inner wall of the fixing ring and corresponds to the annular groove, the sealing rubber strip is arranged in the annular groove, one end, The clamping device comprises a clamping arm, a supporting plate, a transmission push plate, a driving convex strip, a guide groove and a rotary groove, wherein the rotary groove is formed in an inner ring of a cover plate and is positioned on an outer ring of a screw sleeve, the transmission push plates are equidistantly arranged in the rotary groove and are distributed in an annular manner, the driving convex strip is arranged on the inclined edge of the transmission push plate, a chuck is sleeved on a hollow tube and corresponds to the part without threads of the hollow tube, the chuck is of a circular block structure, a plurality of clamping grooves are equidistantly formed in the outer ring of the chuck and are distributed in an annular manner, the supporting plate is arranged in the groove wall on one side of each clamping groove, the supporting plate is of a U-shaped structure, the U-shaped opening is smaller than the U-shaped opening of each clamping groove, a plurality of transmission plates are correspondingly arranged in the plurality of clamping grooves one by one, two sides of the transmission plates are respectively hinged on the groove walls of the clamping grooves through rotating shafts, one ends of the clamping arms are connected with the other sides of the transmission plates in a one-to-one correspondence mode, the other ends of the clamping arms extend out of the fixing rings respectively, grooves are formed in the inner sides of the connecting positions of the clamping arms and the transmission plates and correspond to the support plates, and the plurality of extrusion contacts are arranged on the outer side surfaces of the clamping arms respectively and distributed in rows.
2. The sewage conveying pipe leak detection and blocking device of claim 1, wherein the diameter of the annular groove is gradually reduced from outside to inside.
3. The sewage conveying pipe leak detection and blocking device of claim 1, wherein the hollow pipe is threaded from one end to a quarter portion, and two ends of the hollow pipe extend outwards respectively.
4. The sewage conveying pipe leak source inspection and plugging device according to claim 1, wherein the driving push plate is of a right trapezoid structure, and right-angled edges are attached to the inner wall of the cover plate.
5. The sewage conveying pipe leak detection and blocking device according to claim 4, wherein the small bottom of the transmission push plate faces the opening of the cover plate, and the large bottom of the transmission push plate faces the inside of the cover plate.
6. The sewage conveying pipe leakage point inspection and blocking device according to claim 5, wherein the bevel edge of the transmission push plate is of a wave-shaped structure.
7. The sewage delivery pipe leak detection and blocking device of claim 1, wherein the diameter of the chuck is smaller than that of the fixing ring.
8. The sewage conveying pipe leakage point inspection and blocking device according to claim 1, wherein the clamping groove is of a U-shaped structure and the opening of the clamping groove faces outwards.
9. The sewage conveying pipe leakage point inspection and plugging device according to claim 1, wherein the driving plate is of a triangular structure, and the vertex of the driving plate faces downwards and is positioned in the clamping groove.
10. The sewage delivery pipe leak inspection plugging device of claim 1, wherein said pressing contact is made of rubber and has a hemispherical structure.
11. The device for checking and plugging the leakage point of the sewage conveying pipe according to claim 1, wherein the hollow pipe is matched with the cover plate, and the gas injection design is carried out after plugging without reserving a gas injection channel on a plugging structure, so that the device has good tightness and does not influence the detection of the leakage point.
12. The sewage conveying pipe leakage point inspection and blocking device of claim 1, wherein the guide groove is an arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178472.0A CN109323078B (en) | 2018-10-10 | 2018-10-10 | Sewage transmission pipe leak source inspection plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178472.0A CN109323078B (en) | 2018-10-10 | 2018-10-10 | Sewage transmission pipe leak source inspection plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109323078A CN109323078A (en) | 2019-02-12 |
| CN109323078B true CN109323078B (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811178472.0A Active CN109323078B (en) | 2018-10-10 | 2018-10-10 | Sewage transmission pipe leak source inspection plugging device |
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|---|---|
| CN (1) | CN109323078B (en) |
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| CN111425695B (en) * | 2020-03-30 | 2021-06-08 | 武汉理工大学 | A pipeline leakage monitoring and plugging device |
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| US1808411A (en) * | 1928-05-14 | 1931-06-02 | Donald R Hinkston | Pipe plug |
| CN102317672B (en) * | 2009-01-21 | 2013-10-16 | E·霍尔斯塔德 | Plug for fixing in a pipe |
| KR20110033326A (en) * | 2009-09-25 | 2011-03-31 | 강남석 | Shut-off Device for Piping Fluid Circuit Breaker |
| CN102803811A (en) * | 2010-03-01 | 2012-11-28 | 卡-博投资有限公司 | Pipe sealing tool with external and internal clamp |
| CN102979987A (en) * | 2012-12-25 | 2013-03-20 | 铁岭长天机电有限责任公司 | Reciprocating sliding block with unidirectional damping |
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| CN109323078A (en) | 2019-02-12 |
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