CN210637681U - Hydraulic push-pull water shutoff device suitable for various pipe diameters - Google Patents
Hydraulic push-pull water shutoff device suitable for various pipe diameters Download PDFInfo
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- CN210637681U CN210637681U CN201921402159.0U CN201921402159U CN210637681U CN 210637681 U CN210637681 U CN 210637681U CN 201921402159 U CN201921402159 U CN 201921402159U CN 210637681 U CN210637681 U CN 210637681U
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Abstract
A hydraulic push-pull water plugging device suitable for multiple pipe diameters is characterized in that a middle flange and a rear flange are butted to form a middle and rear flange group, the two middle and rear flange groups are arranged at intervals, two ends of a telescopic oil cylinder respectively penetrate through the rear flange of the two middle and rear flange groups to be connected with the middle flange in a screwed mode, every two metal supports on two sides of a plurality of metal support units are respectively arranged in a plurality of openings I and a plurality of openings II of the first or second middle and rear flange groups, a pin is arranged in a connecting hole II of each metal support and is respectively arranged in a strip hole of the middle flange, a front flange is respectively buckled on the middle flange of the two middle and rear flange groups, a plurality of screws respectively penetrate through the front flange, the middle flange and the rear flange in a screwed mode, and fixing of the two connecting flanges and the metal support units is completed; the effect is as follows: the water blocking success rate is high, and the rapid blocking of water flow can be realized at different positions of different pipe diameters and well heads, so that the aim of no water seepage in a target pipe section is fulfilled.
Description
Technical Field
The utility model relates to a hydraulic pressure push-and-pull stifled hydrophone suitable for multiple pipe diameter mainly is used for the hydraulic pressure push-and-pull stifled hydrophone of operations such as drainage pipe salvagees, desilting, pipeline airtightness (watertight) nature test, seepage detection.
Background
When the existing water supply and drainage pipeline is in operations of rush repair, desilting, pipeline air tightness (water tightness) test, leakage detection and the like, the operations can be finished by intercepting water in the pipeline.
At present, the traditional closure and water blocking method mostly adopts rubber water blocking air bags and bricks, and when the traditional rubber water blocking air bags are used for blocking water, rubber is easily punctured by foreign matters, exposed sharp objects such as reinforcing steel bars after pipelines are corroded, and the impact of gas on nearby personnel is caused. When the rubber water plugging air bag is inflated, overpressure easily causes explosion accidents to hurt people, and when the inflation is too small, the rubber water plugging air bag cannot play a role in plugging and can be directly flushed away in a pipeline.
The intercepting mode of brick laying needs to invest a large amount of manpower to carry out underground piling plugging and dismantling work, wastes labor, time and materials, easily generates construction waste, causes resource waste and economic cost increase, still has harmful gas poisoning hidden danger during manual descending, causes human casualty accidents, and can not create anhydrous operation necessary conditions for downstream working faces because the brick joints can not be completely plugged.
Although the traditional water blocking method can achieve the purpose of water blocking, the traditional water blocking method is time-consuming, labor-consuming, complex to operate, causes resource waste and economic cost increase, has potential safety hazards, and often causes the situation of water blocking failure.
Disclosure of Invention
In view of prior art's situation and not enough that exists, the utility model provides a hydraulic pressure push-and-pull water blocking device suitable for multiple pipe diameter, this water blocking device is put in the pipeline that needs block water, realizes through the flexible receipts of controlling flexible hydro-cylinder that the metal support rises, makes the rubber circle drum that sets up on the metal support rise the back and blocks up the pipeline, environmental protection, durable, security height.
The utility model adopts the technical proposal that: the utility model provides a hydraulic pressure push-and-pull water blocking device suitable for multiple pipe diameter, includes telescopic cylinder, its characterized in that: the metal support comprises a connecting flange, a metal support unit, a pin and a metal gasket;
the connecting flange comprises a front piece flange, a middle piece flange and a rear piece flange;
the metal bracket unit comprises a metal support and a metal support connecting piece;
two metal supports are respectively connected with two sides between two vertical walls of the metal support connecting piece through bolts to form a metal support unit;
the middle flange and the rear flange are butted together to form a middle and rear flange group, and a plurality of notches II on the middle flange after butting are respectively arranged corresponding to a plurality of notches I on the rear flange;
arranging two sets of middle and rear flange groups at intervals, enabling a piston cylinder at one end of a telescopic oil cylinder to penetrate through a rear flange round hole II of the first set of middle and rear flange groups to be in screwed connection with a middle flange screw hole, enabling a piston rod at the other end of the telescopic oil cylinder to penetrate through a rear flange round hole II of the second set of middle and rear flange groups to be in screwed connection with a middle flange screw hole, respectively arranging every two metal supports on one side of a plurality of metal support units in a plurality of openings I and a plurality of openings II of the first set of middle and rear flange groups, arranging a pin in a connecting hole II of each metal support, respectively arranging each pin in a strip hole of a middle flange, buckling one front flange on the middle flange, arranging a plurality of grooves of the front flange corresponding to a plurality of openings II of the middle flange, positioning a plurality of pins in a plurality of holes, and respectively sequentially penetrating through a plurality of through holes I and II of the front flange by a plurality of screws, A plurality of through holes II of the middle flange are in threaded connection with a plurality of threaded holes of the rear flange, so that the fixing of one connecting flange and one end of the metal support unit is completed;
every two metal supports on the other side of the metal support units are respectively arranged in a plurality of openings I and a plurality of openings II of a rear flange group in a second group, a pin is arranged in a connecting hole II of each metal support, each pin is respectively arranged in a strip hole on a middle flange, the other front flange is buckled on the middle flange, a plurality of grooves of the front flange and the plurality of openings II of the middle flange are correspondingly arranged, the plurality of pins are positioned in the plurality of holes, and a plurality of screws respectively and sequentially penetrate through a plurality of through holes I of the front flange and a plurality of through holes II of the middle flange to be in threaded connection with a plurality of threaded holes of the rear flange, so that the other connecting flange is fixed with the other end of the metal support unit;
the rubber ring is sleeved outside the plurality of metal support units, one end of the rubber ring is coated on the trapezoidal surface of the front flange of the connecting flange, one metal gasket is buckled on the rubber ring, and a plurality of screws respectively and sequentially penetrate through a plurality of through holes I of the front flange, a plurality of through holes III of the rubber ring and a plurality of through holes II of the middle flange to be in threaded connection with a plurality of threaded holes of the rear flange, so that one group of connecting flanges are fixed with one end of the rubber ring;
the other end of the rubber ring is coated on the trapezoidal surface of the front sheet flange of the other connecting flange, the other metal gasket is buckled on the rubber ring, and a plurality of screws respectively sequentially penetrate through the plurality of through holes I of the front sheet flange, the plurality of through holes III of the rubber ring, the plurality of through holes II of the middle sheet flange and the plurality of threaded holes of the rear sheet flange to be in screwed connection, so that the other group of connecting flanges and the other end of the rubber ring are fixed.
The utility model has the advantages that: the water-blocking device effectively overcomes the defects of a water-blocking mode in the prior art, has high water-blocking success rate, and can realize rapid water flow blocking at different pipe diameters and different positions (pipelines and well mouths), thereby achieving the purpose of no water seepage in a target pipe section.
The utility model discloses simple structure, flexible freely, the rubber circle is elastic rubber circle, and hardness is strong, is difficult for pricking, even pricked also can not the explosion deformation, has effectively avoided the potential safety hazard.
The utility model discloses easy operation, area are little, portable, save time, laborsaving, with low costs, environmental protection, durable, and the security is high.
Drawings
FIG. 1 is a schematic structural diagram I of the present invention;
FIG. 2 is a schematic structural diagram II of the present invention;
FIG. 3 is a schematic view of the connection between the two sets of middle and rear flange sets and the metal bracket unit and the telescopic cylinder;
FIG. 4 is an enlarged view of structure A of FIG. 3;
FIG. 5 is a schematic structural view of the connection between the metal bracket and the telescopic cylinder of the present invention;
FIG. 6 is a schematic structural view of the connecting flange of the present invention;
FIG. 7 is a schematic structural view of a front flange of the present invention;
fig. 8 is a schematic structural view of a middle flange of the present invention;
fig. 9 is a schematic structural view of the rear flange of the present invention;
fig. 10 is a schematic structural view of the metal gasket of the present invention;
fig. 11 is a schematic structural view of the metal bracket unit of the present invention;
FIG. 12 is a schematic view of the metal support of the present invention;
fig. 13 is a schematic structural view of the supporting and connecting member of the present invention;
fig. 14 is a schematic structural view of the telescopic cylinder of the present invention;
fig. 15 is a schematic view of the rubber ring of the present invention;
FIG. 16 is a schematic view of the present invention placed in a pipeline;
fig. 17 is a schematic view of the present invention plugged in a pipeline;
fig. 18 is a side view of fig. 17.
Detailed Description
As shown in fig. 1 to 15, the hydraulic push-pull water plugging device suitable for various pipe diameters comprises a telescopic oil cylinder 1, a metal support 2 capable of being expanded and a rubber ring 3, wherein the metal support 2 comprises a connecting flange 2-1, a metal support unit 2-3 and a pin 2-4.
The connecting flange 2-1 comprises a front flange 2-1-1, a middle flange 2-1-2 and a rear flange 2-1-3;
the front flange 2-1-1 is a circular sheet body, a circular hole I2-1-1-1 is arranged at the center, a plurality of grooves 2-1-1-2 are arranged in front of the front flange 2-1-1 at intervals, a trapezoidal surface with a wide upper part and a narrow lower part is formed between every two adjacent grooves 2-1-1-2, and a plurality of through holes I2-1-1-3 are respectively and vertically arranged on the trapezoidal surfaces at intervals.
The middle flange 2-1-2 is a circular sheet body, the center is provided with a circular screw hole 2-1-2-1, a circle of boss 2-1-2-2 is arranged along the periphery of the circular screw hole on one surface of the sheet body, a plurality of notches II 2-1-2-3 extending to the boss 2-1-2-2 are arranged on the circumferential surface of the middle flange 2-1-2 at intervals, a trapezoidal surface with a wide top and a narrow bottom is arranged between every two adjacent notches II 2-1-2-3, a plurality of through holes II 2-1-2-4 are respectively arranged on the trapezoidal surfaces at vertical intervals, two strip holes 2-1-2-5 are symmetrically arranged on the two side surfaces in each notch II 2-1-2-3 at intervals from top to bottom, the two strip holes 2-1-2-5 are respectively communicated with the opening I2-1-3-2.
The rear flange 2-1-3 is a circular sheet body, the center of the rear flange is provided with a round hole II 2-1-3-1, a plurality of gaps I2-1-3-2 extending to the round hole II 2-1-3-1 are arranged on the circumferential surface of the rear flange 2-1-3 at intervals, a trapezoidal surface with a wide upper part and a narrow lower part is formed between every two adjacent gaps I2-1-3-2, and a plurality of threaded holes 2-1-3-3 are respectively vertically arranged on the trapezoidal surfaces at intervals.
The metal support unit 2-3 comprises a metal support 2-3-1 and a metal support connecting piece 2-3-2, one end of the metal support connecting piece 2-3-2 is a rectangular sheet body, the other end of the metal support connecting piece is two vertical walls 2-3-2-1 which are integrated with the rectangular sheet body into a whole, the two vertical walls 2-3-2-1 are arranged at intervals, and four connecting holes I2-3-2-2 are symmetrically formed in the two vertical walls 2-3-2-1 respectively;
the metal support 2-3-1 is strip-shaped, and two side faces of the metal support 2-3-1 are respectively provided with a connecting hole II 2-3-1-1;
two metal supports 2-3-1 are respectively arranged on two sides between two vertical walls 2-3-2-1 of the metal support connecting piece 2-3-2, bolts respectively penetrate through a connecting hole I2-3-2-2 of the metal support unit and a connecting hole II 2-3-1-1 of the metal support, and the four metal supports 2-3-1 are connected to the metal support connecting piece 2-3-2 to form the metal support unit 2-3.
Butting the middle flange 2-1-2 and the rear flange 2-1-3 together to form a middle and rear flange group, wherein a plurality of notches II 2-1-2-3 on the middle flange 2-1-2 are respectively arranged corresponding to a plurality of notches I2-1-3-2 on the rear flange 2-1-3 after butting;
the two sets of middle and rear flange groups are arranged at intervals, a piston cylinder 1-1 at one end of a telescopic oil cylinder 1 penetrates through a circular hole II 2-1-3-1 of a rear flange 2-1-3 of the first set of middle and rear flange groups to be in threaded connection with a screw hole 2-1-2-1 of the middle flange 2-1-2, and a piston rod 1-2 at the other end of the telescopic oil cylinder 1 penetrates through a circular hole II 2-1-3-1 of a rear flange 2-1-3-1 of the second set of middle and rear flange groups to be in threaded connection with a screw hole 2-1-2-1 of the middle flange 2-1-2.
Placing every two metal supports 2-3-1 on one side of a plurality of metal support units 2-3 in a plurality of openings I2-1-3-2 and a plurality of openings II 2-1-2-3 of a rear flange group in a first group respectively, inserting a pin 2-4 into a connecting hole II 2-3-1-1 of each metal support 2-3-1, placing each pin 2-4 in a strip hole 2-1-2-5 on a middle flange 2-1-2 respectively, buckling a front flange 2-1-1 on the middle flange 2-1-2, arranging a plurality of grooves 2-1-1-2 of the front flange 2-1-1 corresponding to a plurality of openings II 2-1-2-3 of the middle flange 2-1-2, a plurality of pins 2-4 are positioned in a plurality of holes 2-1-2-5, a circle of boss 2-1-2-2 of a middle flange 2-1-2 is arranged in a round hole I2-1-1-1 of a front flange 2-1-1, a plurality of screws respectively penetrate through a plurality of through holes I2-1-1-3 of the front flange 2-1-1, a plurality of through holes II 2-1-2-4 of the middle flange 2-1-2 and a plurality of threaded holes 2-1-3-3 of a rear flange 2-1-3 to be in threaded connection, and the fixing of one connecting flange 2-1 and one end of a metal support unit 2-3 is completed.
Respectively placing every two metal supports 2-3-1 on the other side of a plurality of metal support units 2-3 in a plurality of openings I2-1-3-2 and a plurality of openings II 2-1-2-3 of a rear flange group in a second group, penetrating a pin 2-4 into a connecting hole II 2-3-1-1 of each metal support 2-3-1, respectively placing each pin 2-4 in a strip hole 2-1-2-5 on a middle flange 2-1-2, buckling the other front flange 2-1-1 on the middle flange 2-1-2, correspondingly arranging a plurality of grooves 2-1-1-2 of the front flange 2-1-1 and a plurality of openings II 2-1-2-3 of the middle flange 2-1-2, a plurality of pins 2-4 are positioned in a plurality of holes 2-1-2-5, a circle of boss 2-1-2-2 of a middle flange 2-1-2 is arranged in a round hole I2-1-1-1 of a front flange 2-1-1, a plurality of screws respectively penetrate through a plurality of through holes I2-1-1-3 of the front flange 2-1-1, a plurality of through holes II 2-1-2-4 of the middle flange 2-1-2 and a plurality of threaded holes 2-1-3-3 of a rear flange 2-1-3 to be in threaded connection, and the other connecting flange 2-1 and the other end of a metal support unit 2-3 are fixed.
A rubber ring 3 is sleeved outside a plurality of metal support units 2-3, one end of the rubber ring 3 is covered on the trapezoidal surface of a front piece flange 2-1-1 of a connecting flange 2-1, a mesopore II 3-1 of the rubber ring 3 is arranged corresponding to a circular hole II 2-1-3-1 of a rear piece flange 2-1-3, a metal gasket 2-5 is buckled on the rubber ring 3, a mesopore I2-5-1 on the metal gasket 2-5 is corresponding to a mesopore II 3-1 of a rubber ring 3, a plurality of screws respectively and sequentially penetrate through a plurality of through holes I2-1-1-3 of the front piece flange 2-1-1, a plurality of through holes III 3-2 of the rubber ring 3, a plurality of through holes II 2-1-2-4 of a middle piece flange 2-1-2 and a plurality of threaded holes 2-1-3 of the rear piece flange 2-1-3-3, screwing to complete the fixation of the group of connecting flanges 2-1 and one end of the rubber ring 3.
The other end of the rubber ring 3 is covered on the trapezoidal surface of the front piece flange 2-1-1 of the other connecting flange 2-1, a middle hole II 3-1 of the rubber ring 3 is correspondingly arranged with a round hole II 2-1-3-1 of the rear piece flange 2-1-3, the other metal gasket 2-5 is buckled on the rubber ring 3, a middle hole I2-5-1 on the metal gasket 2-5 is corresponding to the middle hole II 3-1 of the rubber ring 3, a plurality of screws respectively and sequentially penetrate through a plurality of through holes I2-1-1-3 of the front piece flange 2-1-1, a plurality of through holes III 3-2 of the rubber ring 3, a plurality of through holes II 2-1-2-4 of the middle piece flange 2-1-2 and a plurality of threaded holes 2-1-3-3 of the rear piece flange 2-1-3, and fixing the other group of connecting flanges 2-1 and the other end of the rubber ring 3.
The rubber ring 3 is formed in one step by a rubber glue injection machine.
As shown in fig. 16, 17 and 18, a method for using a hydraulic push-pull water plugging device suitable for various pipe diameters comprises the following steps:
pushing the hydraulic push-pull water plugging device into a pipeline 4 needing water blocking, respectively connecting an oil inlet 1-3 and an oil outlet 1-4 of a telescopic oil cylinder 1 with an oil outlet and an oil inlet of an electric hydraulic power station through pipelines, starting the electric hydraulic power station, supplying oil to the telescopic oil cylinder 1 by the electric hydraulic power station, enabling a piston rod 1-2 of the telescopic oil cylinder 1 to contract, driving two connecting flanges 2-1 to contract oppositely at the same time in the contraction process of the piston rod 1-2 of the telescopic oil cylinder 1, simultaneously enabling metal supports 2-3-1 at two sides of a plurality of metal support units 2-3 to arch and expand a rubber ring 3 coated outside the metal support connecting piece 2-3-2 until the inner wall of the pipeline 4 is fully contacted with the rubber ring 3 and the inner wall of the pipeline 4, and closing the electric hydraulic power station, the oil supply to the telescopic oil cylinder 1 is stopped, and at the moment, the hydraulic push-pull water plugging device plays a water blocking role.
When the hydraulic push-pull water plugging device is withdrawn, the electric hydraulic power station is started, the electric hydraulic power station collects oil to the telescopic oil cylinder 1, the piston rod 1-2 of the telescopic oil cylinder 1 starts to extend, the two connecting flanges 2-1 are driven to extend oppositely and simultaneously in the extension process of the piston rod 1-2 of the telescopic oil cylinder 1, the metal supports 2-3-1 on the two sides of the metal support units 2-3 simultaneously retract the rubber ring 3 coated outside the metal support connecting pieces 2-3-2 until the rubber ring 3 is completely separated from the inner wall of the pipeline 4 when the two connecting flanges 2-1 extend, and then the hydraulic push-pull water plugging device can be taken out and withdrawn.
Claims (6)
1. The utility model provides a hydraulic pressure push-and-pull water shutoff ware suitable for multiple pipe diameter, includes telescopic cylinder (1), its characterized in that: the rubber ring is characterized by also comprising a metal support (2) and a rubber ring (3), wherein the metal support (2) can be expanded, and comprises a connecting flange (2-1), a metal support unit (2-3), a pin (2-4) and a metal gasket (2-5);
the connecting flange (2-1) comprises a front flange (2-1-1), a middle flange (2-1-2) and a rear flange (2-1-3);
the metal support unit (2-3) comprises a metal support (2-3-1) and a metal support connecting piece (2-3-2);
two metal supports (2-3-1) are respectively connected with two sides between two vertical walls (2-3-2-1) of the metal support connecting piece (2-3-2) through bolts to form a metal support unit (2-3);
the middle flange (2-1-2) and the rear flange (2-1-3) are butted together to form a middle and rear flange group, and a plurality of notches II (2-1-2-3) on the middle flange (2-1-2) after butt joint are respectively arranged corresponding to a plurality of notches I (2-1-3-2) on the rear flange (2-1-3);
the two groups of middle and rear flange groups are arranged at intervals, a piston cylinder (1-1) at one end of the telescopic oil cylinder (1) penetrates through a rear flange (2-1-3) round hole II (2-1-3-1) of the first group of middle and rear flange groups to be connected with a screw hole (2-1-2-1) of the middle flange (2-1-2) in a screw manner, a piston rod (1-2) at the other end of the telescopic oil cylinder (1) penetrates through a rear flange (2-1-3) round hole II (2-1-3-1) of the second group of middle and rear flange groups to be connected with a screw hole (2-1-2-1) of the middle flange (2-1-2) in a screw manner,
every two metal supports (2-3-1) on one side of each metal support unit (2-3) are respectively arranged in a plurality of openings I (2-1-3-2) and a plurality of openings II (2-1-2-3) of a rear flange group in a first group, a pin (2-4) is arranged in a connecting hole II (2-3-1-1) of each metal support (2-3-1), each pin (2-4) is respectively arranged in a hole (2-1-2-5) on a middle flange (2-1-2), one front flange (2-1-1) is buckled on the middle flange (2-1-2), and a plurality of grooves (2-1-1-2) and middle flanges (2-1-2) of the front flange (2-1-1) are respectively in number The strip openings II (2-1-2-3) are correspondingly arranged, a plurality of pins (2-4) are positioned in a plurality of holes (2-1-2-5), a plurality of screws respectively and sequentially penetrate through a plurality of through holes I (2-1-1-3) of the front flange (2-1-1), a plurality of through holes II (2-1-2-4) of the middle flange (2-1-2) and a plurality of threaded holes (2-1-3-3) of the rear flange (2-1-3) to be in threaded connection, and the fixing of one connecting flange (2-1) and one end of the metal support unit (2-3) is completed;
every two metal supports (2-3-1) on the other side of the metal support units (2-3) are respectively arranged in a plurality of openings I (2-1-3-2) and a plurality of openings II (2-1-2-3) of a rear flange group in the second group, a pin (2-4) is arranged in a connecting hole II (2-3-1-1) of each metal support (2-3-1), each pin (2-4) is respectively arranged in a hole (2-1-2-5) on a middle flange (2-1-2), the other front flange (2-1-1) is buckled on the middle flange (2-1-2), and a plurality of grooves (2-1-1-2) and middle flanges (2-1-2) of the front flange (2-1-1) are respectively arranged on the rear flange group in the second group ) A plurality of notches II (2-1-2-3) are correspondingly arranged, a plurality of pins (2-4) are positioned in a plurality of holes (2-1-2-5), a plurality of screws respectively and sequentially penetrate through a plurality of through holes I (2-1-1-3) of the front flange (2-1-1), a plurality of through holes II (2-1-2-4) of the middle flange (2-1-2) and a plurality of threaded holes (2-1-3-3) of the rear flange (2-1-3) to be in threaded connection, and the other connecting flange (2-1) and the other end of the metal support unit (2-3) are fixed;
the rubber ring (3) is sleeved outside the metal support units (2-3), one end of the rubber ring (3) is covered on the trapezoidal surface of the front piece flange (2-1-1) of the connecting flange (2-1), one metal gasket (2-5) is buckled on the rubber ring (3), a plurality of screws respectively and sequentially penetrate through a plurality of through holes I (2-1-1-3) of the front piece flange (2-1-1) and a plurality of through holes III (3-2) of the rubber ring (3), a plurality of through holes II (2-1-2-4) of the middle flange (2-1-2) are in threaded connection with a plurality of threaded holes (2-1-3-3) of the rear flange (2-1-3) to complete the fixation of a group of connecting flanges (2-1) and one end of the rubber ring (3);
the other end of the rubber ring (3) is covered on the trapezoidal surface of the front piece flange (2-1-1) of the other connecting flange (2-1), the other metal gasket (2-5) is buckled on the rubber ring (3), and a plurality of screws respectively and sequentially penetrate through a plurality of through holes I (2-1-1-3) of the front piece flange (2-1-1), a plurality of through holes III (3-2) of the rubber ring (3), a plurality of through holes II (2-1-2-4) of the middle piece flange (2-1-2) and a plurality of threaded holes (2-1-3-3) of the rear piece flange (2-1-3) to be in threaded connection, so that the other group of connecting flanges (2-1) and the other end of the rubber ring (3) are fixed.
2. The hydraulic push-pull water plugging device suitable for various pipe diameters as claimed in claim 1, wherein:
the front piece flange (2-1-1) is a circular sheet body, a circular hole I (2-1-1-1) is formed in the center of the front piece flange, a plurality of grooves (2-1-1-2) are formed in the front of the front piece flange (2-1-1) at intervals, a trapezoidal surface with the upper width being wide and the lower width being narrow is formed between every two adjacent grooves (2-1-1-2), and a plurality of through holes I (2-1-1-3) are vertically formed in the plurality of trapezoidal surfaces at intervals.
3. The hydraulic push-pull water plugging device suitable for various pipe diameters as claimed in claim 1, wherein:
the middle flange (2-1-2) is a circular sheet body, the center is provided with a circular screw hole (2-1-2-1), a circle of boss (2-1-2-2) is arranged along the periphery of the circular screw hole on one surface of the sheet body, a plurality of notches II (2-1-2-3) extending to the boss (2-1-2-2) are arranged on the circumferential surface of the middle flange (2-1-2) at intervals, a trapezoidal surface with a wide top and a narrow bottom is arranged between every two adjacent notches II (2-1-2-3), a plurality of through holes II (2-1-2-4) are respectively arranged on the trapezoidal surface at intervals vertically, two strip holes (2-1-2-5) are symmetrically arranged on the two side surfaces in each notch II (2-1-2-3) at intervals from top to bottom, the two strip holes (2-1-2-5) are respectively communicated with the opening I (2-1-3-2).
4. The hydraulic push-pull water plugging device suitable for various pipe diameters as claimed in claim 1, wherein: the rear flange (2-1-3) is a circular sheet body, a round hole II (2-1-3-1) is formed in the center of the rear flange (2-1-3), a plurality of notches I (2-1-3-2) extending to the round hole II (2-1-3-1) are arranged on the circumferential surface of the rear flange (2-1-3) at intervals, a trapezoidal surface with a wide upper part and a narrow lower part is formed between every two adjacent notches I (2-1-3-2), and a plurality of threaded holes (2-1-3-3) are respectively vertically arranged on the trapezoidal surfaces at intervals.
5. The hydraulic push-pull water plugging device suitable for various pipe diameters as claimed in claim 1, wherein: one end of the metal supporting and connecting piece (2-3-2) is a rectangular sheet body, the other end of the metal supporting and connecting piece is two vertical walls (2-3-2-1) which are integrated with the rectangular sheet body into a whole, the two vertical walls (2-3-2-1) are arranged at intervals, and four connecting holes I (2-3-2-2) are symmetrically formed in the two vertical walls (2-3-2-1) respectively.
6. The hydraulic push-pull water plugging device suitable for various pipe diameters as claimed in claim 1, wherein: the metal support (2-3-1) is strip-shaped, and two side faces of the metal support (2-3-1) are respectively provided with a connecting hole II (2-3-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402159.0U CN210637681U (en) | 2019-08-27 | 2019-08-27 | Hydraulic push-pull water shutoff device suitable for various pipe diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402159.0U CN210637681U (en) | 2019-08-27 | 2019-08-27 | Hydraulic push-pull water shutoff device suitable for various pipe diameters |
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| CN210637681U true CN210637681U (en) | 2020-05-29 |
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| CN201921402159.0U Active CN210637681U (en) | 2019-08-27 | 2019-08-27 | Hydraulic push-pull water shutoff device suitable for various pipe diameters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425373A (en) * | 2019-08-27 | 2019-11-08 | 天津市艺智汇科技发展有限公司 | A kind of hydraulic push-and-pull water block device and application method suitable for a variety of calibers |
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- 2019-08-27 CN CN201921402159.0U patent/CN210637681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425373A (en) * | 2019-08-27 | 2019-11-08 | 天津市艺智汇科技发展有限公司 | A kind of hydraulic push-and-pull water block device and application method suitable for a variety of calibers |
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