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1616results about "Pipes" patented technology

Smoke dust and flue gas sampling gun with gun feeding support convenient to assemble and disassemble

The invention belongs to the technical field of smoke dust and flue gas sampling, and particularly relates to a smoke dust and flue gas sampling gun with a convenient-to-assemble and disassemble gun feeding support, the smoke dust and flue gas sampling gun comprises a sampling mechanism, the sampling mechanism comprises a sampling gun main body, a gun barrel and a smoke dust and flue gas sensor, the gun barrel is detachably sleeved with a centering fixing mechanism, a plugging mechanism and a pushing mechanism, the plugging mechanism penetrates through the centering and fixing mechanism and is fixedly connected with the centering and fixing mechanism, the pushing mechanism is fixedly connected with the plugging mechanism, and the centering and fixing mechanism is used for being fixedly connected with a flange plate of a flue and enabling the plugging mechanism and a sampling pipeline to be coaxially arranged. The device can be fixed on flange plates of different flues through the centering and fixing mechanism, the flange plates and the plugging mechanism can be always in a coaxial state, then sampling mechanisms of gun barrels with different pipe diameters can be pushed to move through the pushing mechanism, the position of a smoke dust and flue gas sensor in the flues can be accurately adjusted, and the sampling accuracy of the smoke dust and flue gas sensor is improved. And long-time manual supporting is not needed.
Owner:XUZHOU QUALITY & TECH SUPERVISION COMPREHENSIVE INSPECTION & TESTING CENT

Penetrator system for electrical submersible pumps

The present disclosure relates to a wellhead penetrator system comprising a penetrator body comprising a hollowed cylindrical frame connecting a top end to a bottom end; a cable seal located within the penetrator body, comprising: a cylindrical core made of a polymer having three cylinder-shaped port holes configured to each provide a path for of the three insulated electrical wires; a top side, wherein the port holes extend upward from the top side of the cable seal; and a bottom side facing into the cavity located in the bottom end of the penetrator body, wherein the port holes extend downward from the bottom side of the cable seal; and a follower comprising a cylindrical metal body and cylindrical holes, wherein the follower seats against the bottom side of the cable seal so that port holes of the cable seal protrude through the cylindrical holes of the follower.
Owner:SONIC CONNECTORS LTD

Flexible detachable pipeline via hole sealing structure

The invention discloses a flexible detachable pipeline via hole sealing structure, and belongs to the field of pipeline design. Comprising an equipment shell, a corrugated pipe assembly, a sealing sleeve, a heat-shrinkable sleeve and a pipeline. The two ends of the corrugated pipe assembly are each provided with a sealing structure, one sealing structure is connected with the installation face of the equipment shell, and the other sealing structure is connected with the installation face of the flange of the sealing sleeve. The sealing sleeve sleeves the pipeline, and a gap between the outer surface of the pipeline and the inner surface of the sealing sleeve is filled with sealant. The two ends of the sealing sleeve are each sleeved with a heat-shrinkable sleeve, and after the pipeline sealing position is determined, the heat-shrinkable sleeves are heated to be retracted. Through hole sealing of a pipeline with certain movement relative to the shell at the through hole can be achieved, and the permitted movement freedom degree is high. A moving part and a sealing part are independent, and the static sealing structure is good in sealing performance, high in reliability and long in service life. The detachable structural design facilitates later pipeline maintenance.
Owner:SHENYANG AIRCRAFT DESIGN & RES INST YANGZHOU COLLABORATIVE INNOVATION RES INST CO LTD

Quick mounting and dismounting device for temporary plugging of large-diameter pipeline

The invention relates to the technical field of pipeline temporary plugging devices, and discloses a quick mounting and dismounting device for temporary plugging of a large-diameter pipeline, which comprises a concrete structure pool wall and a central shaft rod, and a supporting and positioning mechanism is arranged on the concrete structure pool wall. A waterproof sleeve is fixedly connected to the inner wall of the concrete structure pool wall body, a shaft rod sleeve is slidably connected to the center shaft rod, and a plurality of first protruding blocks are fixedly connected to the outer wall of the shaft rod sleeve. The supporting and positioning mechanism ensures that the device is stably placed in the pipeline, water flow impact and pipeline vibration are avoided, displacement and shaking are avoided, the installation integrating degree of all parts is higher, the installation quality and efficiency are improved, repeated adjustment caused by installation errors is reduced, meanwhile, internal stress distribution of the device can be optimized, and the service life of the device is prolonged. Abrasion of parts caused by uneven stress is reduced, the overall service life of the device is prolonged, the applicability of the device in a complex pipeline environment is enhanced, and a foundation is built for smooth implementation of plugging operation.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU

Expanding Rapid Expansion Fire Stop for Wall Openings

PendingUS20250269212A1PipesFire rescueFirestopSmoke Emission
A device that is an improved rapid expansion fire stop and system for wall openings. The fire stop is made of a backer rod comprised of a durable foam material in a pre-determined size and cross-sectional configuration, the backer rod has a slot that accepts an intumescent strip with expansion characteristics of expanding up to thirty-three (33) times its size and volume when exposed to high heat or flame. The firestop is placed into the wall opening or crack of the wall system and then the wall system is completed with an architectural sealant across the remaining crack. The improved expanding rapid expansion fire stop serves to prevent fire, smoke and heat by expanding and fully sealing the wall opening and crack from any intrusion or passage of the heat, smoke or flame through the opening.
Owner:MARSCHINKE ADAM S

Transit for passing cables and / or pipes through a partition opening and use of such a transit

A transit for passing at least one cable (11) and / or at least one pipe through an opening (22) in a partition (12), wherein the transit comprises a first frame (19), a second frame (20), wherein the second frame (20) is arranged with through apertures (24) and the first frame (19) is arranged with holes (25) for receiving threaded fastening screws (23), so that the first and second frames (19, 20) can be clamped on opposite sides of the partition (12) by means of the fastening screws. The transit (10) further comprises a partition opening liner (21) for engaging the first frame (19) and the second frame (20) and form a radially lined passage extending in an axial direction between the first frame (19) and the second frame (20). Disclosed is also the use of such a transit (10).
Owner:AB ROXTEC

Floor penetrating sleeve structure for post-trepanning construction and construction method

The floor penetrating sleeve structure comprises an original structural plate, a hole is formed in the original structural plate, a floor penetrating sleeve is arranged in the hole in the original structural plate in a penetrating mode, and a water stop ring connected with the floor penetrating sleeve in a sealed mode is arranged in the middle of the wall of the floor penetrating sleeve in the circumferential direction. The water stop ring is located at the top of the hole and is in sealed connection with the edge of the hole, and the wall of the floor penetrating sleeve is in sealed connection with the inner wall of the hole through a sealing structure. The invention further discloses a construction method of the floor penetrating sleeve structure for post-trepanning construction. The method can be used for quickly and conveniently carrying out post-positioned floor penetrating sleeve construction, and can be widely applied to the field of mechanical and electrical installation of constructional engineering.
Owner:WUHAN YIYE CONSTR ENG +1

Waterproof structure of through-wall pipeline

The utility model relates to the technical field of building construction, and particularly discloses a through-wall pipeline waterproof structure which comprises a connecting assembly and a connecting ring, the connecting assembly comprises a flexible bag and filler, the flexible bag is hollow and tubular, the filler is filled in the flexible bag, the connecting ring is detachably connected with one end of the flexible bag, and the connecting ring is detachably connected with the other end of the flexible bag. And a gap between the through-wall pipeline and the wall body is filled through the connecting assembly. The through-wall pipeline has the effect that the problem that a gap exists between an existing through-wall pipeline and a wall is solved.
Owner:GUANGDONG INTERCONTINENTAL CONSTR ENG GRP CO LTD

Joint

PendingJP2025132593AClimate change adaptationPipes
To provide a sound insulation structure and a construction method of a collective joint.SOLUTION: A joint is installed in an open hole provided in a floor slab of a building. The joint comprises: an assembly part having a vertical pipe connection part connected to a vertical pipe extending from an upper floor and a horizontal pipe connection part connected to a horizontal pipe; an upper cylindrical part that connects the vertical pipe connection part and the assembly part and has an inner diameter larger than an inner diameter of the vertical pipe; and a lower connection part connected to a vertical pipe extending from a lower floor. A cylindrical part is inserted in the lower connection part. A swirl vane integrated with a swirling inner edge part is integrated in an inclined state with an inner peripheral surface of the cylindrical part. A reinforcement wall for the swirl vane, which serves also as a peripheral wall of the cylindrical part, is provided at an area where the swirling inner edge part does not exist in an inner peripheral direction of the cylindrical part in plan view of the cylindrical part.SELECTED DRAWING: Figure 1
Owner:SEKISUI CHEMICAL CO LTD

Pipe-support

A pipe support assembly (114), suitable for supporting pipework handling cryogenic fluids, where the pipework passes through a fuel tank support. The pipe support assembly includes first and second pipe supports (116) each having male (119) and female (152) portions that interlock with male (119) and female (152) portions of the other pipe support (116). The pipe supports (116) have an internal surface (121) that contacts a section of the pipe outer surface (112). Each pipe support (116) has a split (140) which allows for a change in dimension of the internal surface (121) of the pipe support (116) contacting the pipe (110). This allows the pipe support assembly (114) to provide a consistent clamping force to the pipe (110) during thermal contraction or expansion. Longitudinal movement of the pipe (110) is permitted if the pipe (110) overcomes the frictional force between itself and the pipe support assembly (114).
Owner:AIRBUS OPERATIONS LTD

A steel wire rope through-cabin sealing device and method

This invention relates to the field of cabin-penetrating sealing technology, specifically to a wire rope cabin-penetrating sealing device and method. The device includes a cabin-penetrating section, a transfer section, a fastening guide section, and multiple sealing sections. The fastening guide section is located at the front end of the cabin-penetrating section, and the transfer section is located at the rear end. A sealing section is provided at the fixed connection point between the transfer section and the cabin-penetrating section. The cabin-penetrating section is fixedly installed inside the cabin, and a sealing section is provided at the connection point between the cabin-penetrating section and the cabin. The sealing section includes a water-swellable sealing strip. The transfer section connects two cabin-penetrating sections installed in different cabins, achieving rapid installation, disassembly, and cabin-penetrating effect. The cabin-penetrating section and the transfer section are internally connected, with the wire rope passing through the middle. The fastening guide section is installed inside the cabin-penetrating section, and the size of the inner ring of the fastening guide section is adjusted to fix the outer wall of the wire rope. This invention solves the problems of current wire rope cabin-penetrating devices, such as simple structure, inability to provide buffering to neutralize axial sway of the wire rope, resulting in severe wear and short service life.
Owner:SHANGHAI OUYANG OCEAN ENG GRP CO LTD

Decorative device for pipeline penetrating through floor slab

The utility model discloses a decoration device for a pipeline penetrating through a floor slab, which relates to the technical field of building decoration, solves the problems that the existing decoration technology for the pipeline penetrating through the floor slab is poor in aesthetic property and sealing performance, and comprises a pipeline, and a connecting mechanism is arranged outside the pipeline; the connecting mechanism comprises a left decorative ring, the left decorative ring is arranged on one side of the pipeline, a right decorative ring is arranged on the other side of the pipeline, and a connecting plate is fixed below the left decorative ring and the right decorative ring. The pipe clamp is buckled on the outer wall of a pipeline through the fitting groove and is suitable for clamping and limiting pipelines with different inner diameters, meanwhile, the connecting rod and the connecting rod are matched, penetrate through the mounting hole and are in threaded connection with the connecting plate and the sealing gasket at the same time, so that quick assembly can be achieved, and the sealing gasket is pushed through the rubber gasket to improve the sealing performance; and by adjusting the connecting length of the connecting rod and the joining rod, the pressing force can be controlled to be kept stable and lasting, and the left decoration ring and the right decoration ring which are similar to surrounding materials are kept flush, so that the attractiveness is improved.
Owner:YANTAI TIANDE FIRE TECH ENG CO LTD

Grommet

A grommet includes an umbrella-shaped member that is separate from a grommet body. The umbrella-shaped member has a covering portion that covers an insertion hole of a sound insulator provided on one surface of a vehicle body panel. The covering portion is inclined to increase in diameter toward the sound insulator. The grommet body has an engagement portion that axially locks to a front end of the covering portion, which is the front end of the umbrella-shaped member.
Owner:SUMITOMO WIRING SYSTEMS LTD +1

Grommet and cable bushing and method for producing the cable bushing

PendingEP4660016A1PipesElectric/fluid circuit
According to the invention the Grommet (14) is designed for a wall bushing (2) and for the sealed passage of a strand (12), in particular a cable, through an opening (10) in a wall (4). The wall (4) is especially a wall (4) of a dash panel of a motor vehicle. The grommet (14) having a grommet body (16) which extends in an insertion direction (E) and which has a proximal sealing section (18) and a distal sealing section (20), which, in the assembled state, receive the wall (4) between them, wherein the distal sealing section (20) is corrugated in the circumferential direction so that it is compressible and can be inserted through the opening (10) in the insertion direction (E). Preferably the distal sealing section (20) comprises a cap element (22) having a cap opening (23) and during assembly the grommet is inserted through the opening (10), while the cap opening (23) is oriented in the insertion direction (E). Afterwards the cap element (22) is folded over such that the cap opening (23) is oriented towards the wall (4) and a distal sealing lip (24) rests on a distal wall side (4B).
Owner:LEONI WIRING SYSTEMS FRANCE SAS

Partition penetration treatment structure, partition penetration treatment material, and construction method of partition penetration treatment structure

A compartment penetration treatment structure, a construction method for the compartment penetration treatment structure, and a compartment penetration treatment material are provided that can reduce variations in fire resistance performance and improve fire resistance performance. [Solution] A compartment penetration treatment structure 10 is formed in a partition 11 of a building, and has a compartment penetration section 15, through which a long insert 21 is inserted, as a fireproof structure. The structure is provided with a sheet-like member 3 that blocks at least a portion of the gap between the opening 13C of the compartment penetration section 15 provided in the partition 11 and the insert 21, and the sheet-like member 3 is laminated with at least three layers of base materials 30A, 30B and a heat-expandable fire-resistant material layer 31A.
Owner:SEKISUI CHEMICAL CO LTD

Air conditioner hole mounting part for mounting air conditioner pipe

The utility model relates to the field of air conditioner pipe mounting, and discloses an air conditioner hole mounting part for air conditioner pipe mounting, which comprises an outer cylinder, an inner cylinder is arranged in the outer cylinder, four sliding openings are formed in the outer wall of the outer cylinder in a penetrating manner and are circumferentially distributed at equal intervals, sliding blocks are arranged in the four sliding openings, and the sliding blocks are connected with the inner cylinder. The end faces of the opposite ends of the outer cylinder and the inner cylinder are connected with a second limiting ring and a first limiting ring correspondingly, and a clamping block is arranged on the inner wall of the first limiting ring. The outer barrel and the inner barrel penetrate through the air conditioner hole, a second limiting ring is attached to one face of the wall, a sliding block is matched with a sliding opening, the length between the outer barrel and the inner barrel is adjusted according to the length of the air conditioner hole, the device is fixed in the air conditioner hole, the overall structure is simple, operation is convenient, and the device is convenient to use by adjusting the distance between two clamping plates. And through cooperation of springs and four arc-shaped clamping plates, air conditioner pipes of different sizes can be clamped, limited and fixed, and therefore abrasion of the air conditioner pipes can be effectively reduced.
Owner:ANHUI JUNNAN ELECTROMECHANICAL TECH CO LTD

Fire protection element for sealing passage openings in components

A fire protection element contains a layered body for sealing passage openings in components, such as building components, through which lines are guided. A method can be used for producing the fire protection element and the fire protection element can be used for sealing passage openings and / or joints in components against fire and flue gases.
Owner:HILTI AG

Drain piping structure

PendingJP2025122126APipesDomestic plumbing
To provide a resin joint capable of exhibiting an optimal fire spread prevention effect (attaining an intended fire resistant structure) even in a thin slab.SOLUTION: A resin joint 100 includes: a resin upper member 140 that has one or more branch pipes and projects to the upper side of a thin slab; a resin lower member 110 that is connected to the lower side of the upper member 140 and in which an upper part is embedded in the thin slab and a lower part projects to the lower side of the thin slab when the resin joint 100 is constructed on the thin slab; and a thermal expansion material. In the thermal expansion material, an upper thermal expansion material 711 and a lower thermal expansion material 712 are provided to vertically separate from each other on upper and lower two portions of an outer surface of the resin joint 100. The lower member 110 has a diameter contraction part 118 on the lower side, and the upper thermal expansion material 711 and the lower thermal expansion material 712 are provided on the upper side of the diameter contraction part 118. At least one of the upper thermal expansion material 711 and the lower thermal expansion material 712 is located at a position of the thin slab in an expandable manner.SELECTED DRAWING: Figure 3
Owner:KUBOTA CHEMIX CO LTD

Annular plugging method for floor-penetrating pipeline

InactiveCN120351387APipesFloor slabGear wheel
The invention discloses an annular plugging method for a through-floor pipeline, and relates to the technical field of building construction.The annular plugging method comprises the following steps that S1, a movable seat is pushed to move to the outer side of the pipeline, it is ensured that the axes of semi-ring clamping seats correspond to the axis of the pipeline, then a double-shaft motor is started, and the two semi-ring clamping seats are pushed to synchronously move and fit through power transmission; s2, a rotating motor is started, and through combined transmission of a transmission belt, a guide rod, a positioning rod and a bevel gear, the device is scientific and reasonable in structure and safe and convenient to use, a moving and clamping limiting mechanism is arranged, and through cooperation of a transmission rod, a transmission gear, sleeves and an inner tooth belt, a double-shaft motor can conveniently drive the sleeves at the two ends of a moving seat to synchronously rotate; and the two semi-ring clamping seats are pushed to move synchronously to be away from the pipeline or fit the pipeline through cooperation of the fixing plates, the supporting blocks and the universal wheels.
Owner:SHANXI NO 3 CONSTR ENG

House building through-wall pipe waterproof component

The utility model discloses a house building through-wall pipe waterproof component which comprises a steel sleeve body arranged in a wall body, the through-wall pipe body is arranged in an inner cavity of the steel sleeve body in a penetrating mode, and asphalt waterproof coiled materials are bonded between the two ends of the surface of the through-wall pipe body and the wall body. A fixing shell arranged on the surface of the through-wall pipe body in a sleeving mode is arranged on the outer side of the asphalt waterproof coiled material. According to the utility model, the steel sleeve body is pre-buried in the wall body, after the through-wall pipe body penetrates through the steel sleeve body, the hemp thread factice body and the rubber ring are stuffed into the gap between the through-wall pipe body and the steel sleeve body, then the asphalt waterproof coiled material is adhered to the surfaces of the wall body and the through-wall pipe body, and the fixed shell is mounted on the wall body through the tapping; and then the connecting shell is screwed on the surface of the fixing shell, the extrusion ball makes contact with the wedge-shaped face of the inner wedge-shaped ring during the period, the deformation column deforms, the extrusion ball abuts against the outer side of the asphalt waterproof coiled material due to deformation of the deformation column, and the sealing performance of the asphalt waterproof coiled material is guaranteed.
Owner:ANLIFENG (SHANXI) HOLDING GROUP CO LTD

Cable and pipeline penetration fire-resistant sealing device

The utility model discloses a cable and pipeline penetration fire-resistant sealing device, relates to the technical field of cable penetration sealing, and aims to solve the technical problem of poor sealing effect of a current cable sealing module, the cable and pipeline penetration fire-resistant sealing device comprises a flame-retardant sleeve, and two groups of symmetrical fixing frames are arranged on the flame-retardant sleeve. The elastic sealing outer sleeve and the multi-layer elastic sealing sleeve are combined to form a sealing structure, the multi-layer elastic sealing sleeve is located in the elastic sealing outer sleeve, and the butt joint of the elastic sealing outer sleeve formed by combining the two rectangular combination sleeves is horizontally arranged. The butt joint of the multiple layers of elastic sealing sleeves formed by combining the two groups of semicircular combined elastic sealing sleeves is vertically arranged, so that the butt joint between the elastic sealing outer sleeve and the multiple layers of elastic sealing sleeves can be directly staggered, pollutants such as external dust can be effectively prevented from entering from the butt joint, and the sealing effect on a cable pipeline is ensured.
Owner:JIANGSU CHONGDAO IND TECHNOLOGY CO LTD

Building main body pipe hole waterproof connecting structure

The utility model discloses a building main body pipe hole waterproof connecting structure, which relates to the technical field of building pipe hole protection, and comprises a building wall body, a pipe hole main body is arranged on the building wall body, a gap position closing mechanism is arranged on the inner wall of the pipe hole main body, and a water seepage prevention mechanism is arranged in the middle of the gap position closing mechanism. The gap sealing mechanism comprises two inserting pipe fittings, and the two inserting pipe fittings are movably inserted into the two ends of the pipe hole body respectively. Through the overall design of the sealing mechanism at the gap, after a pipeline penetrates through the structure, the inner cavity of the annular rubber bag is inflated, the annular rubber bag is promoted to generate expansion elastic deformation to be matched with the outer wall of the pipeline, and the function of sealing the gap between the pipeline and the structure is achieved; the problem that rainwater easily enters gaps is solved, and the safety of indoor decoration materials or furniture is guaranteed.
Owner:JIANGSU HANJIAN GRP CO LTD

Toilet Seals

Disclosed are various embodiments for facilitating the installation of a toilet over a closet collar for a drain pipe. In one or more embodiments, a toilet seal assembly includes a seal ring, a component including a seal ring receptacle and a funnel, a sealing washer, and a plate. The seal ring can be configured to be positioned over a toilet closet collar. The seal ring receptacle can be configured to be positioned over the seal ring, and the funnel can be configured to be inserted into the toilet closet collar. The sealing washer can be configured to be positioned over the component having the seal ring and the funnel. The plate can be configured to be positioned over the sealing washer and under the toilet.
Owner:DANCO INC

Mounting structure for pipeline to penetrate through building body

The utility model discloses a pipeline penetrating building body mounting structure. The pipeline penetrating building body mounting structure comprises a building body provided with a building body through hole; the pipeline is used for conveying fluid and is arranged in the building body through hole; the abutting blocks are distributed at intervals in a circumferential array mode and make contact with and abut against the outer portion of the pipeline with the inner diameter edge of the building through hole as a fulcrum. The rotatable telescopic piece stretches out and draws back, the widths of the different abutting blocks in the building body through hole are adjusted to abut against the outer portion of the contact pipeline, and the multiple abutting blocks distributed in a circumferential array at intervals can abut against the outer portion of the contact pipeline to support the outer portion of the contact pipeline in an adjustable mode according to the pinch bar stress principle. The problem that the pipeline cannot be eccentrically adjusted in the building body through hole when an annular filling ring is installed in the building body through hole is solved.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD +1

Battery and electric equipment

The embodiment of the invention provides a battery and electric equipment, the battery comprises a mounting part and a flange structure, the mounting part is provided with a mounting hole, the flange structure comprises a first connecting part, a first sealing element and a second sealing element, the first connecting part is movably arranged in the mounting hole, the first sealing element sleeves the periphery of the first connecting part, and the second sealing element sleeves the periphery of the second connecting part. The first sealing part is connected with the mounting part, the second sealing part is arranged on the periphery of the first connecting part in a sleeving mode, and the second sealing part is matched with the first sealing part to enhance the sealing effect between the first sealing part and the first connecting part. The electric equipment comprises a battery.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Device and method for producing and sealing a line feedthrough directly beneath a ceiling

A device produces and seals a line feedthrough directly beneath a ceiling and has a feedthrough box to be fastened to the ceiling, with two opposite open end faces and side walls extending between them, which are open towards the ceiling and are to be closed off by the ceiling, such that the side walls in a state of the box mounted on the ceiling, together with the ceiling, form an axial passage channel which is closed in the circumferential direction. The device also has one or more support frame elements, wherein each support frame element is integrally formed or fixed on the side walls of the box on the outside thereof, and extends radially outwards in such a way that it forms an essentially planar bearing surface for supporting a wall panel, when a vertical wall is being produced or closed off around the box.
Owner:HILTI AG

Sealing device for submarine pipeline dry cabin

The invention discloses a sealing device for a submarine pipeline dry-type cabin, and relates to the technical field of dry-type cabins, the sealing device comprises a controller and two flexible sealing devices, each flexible sealing device comprises a vertical telescopic driving mechanism, a supporting part, a flexible sealing door and a sealing door opening and closing execution mechanism, the sealing door opening and closing executing mechanism comprises two opening and closing executing assemblies symmetrically installed on the supporting component, each opening and closing executing assembly comprises a driving component, surrounding supports and a pressing plate, and the two driving components are used for driving the two surrounding supports to be opened or closed; when the two surrounding supports are closed, the two connecting parts can be attached under pressing of the two pressing plates, the lower ends of the two lower arc parts can be in butt joint, and the top arc part and the two lower arc parts are all attached to the submarine pipeline. The device ensures that the dry type cabin can be reliably sealed with the submarine pipeline under the dynamic working condition, the requirement for the coaxiality of the dry type cabin and the submarine pipeline is lowered, and the submarine laying efficiency of the dry type cabin is improved.
Owner:ZHEJIANG UNIV +1

Cast-in-place floor reserved hole anti-seepage structure

The utility model provides an anti-seepage structure for a reserved hole of a cast-in-place floor, which is used for solving the problems of poor plugging effect and easy water seepage of a pipeline and the reserved hole of the floor in the prior art. Comprising a pipe body, a plugging template, a plugging layer, an anti-seepage assembly and a sealing assembly, and the pipe body is arranged in a reserved hole of a floor in a penetrating mode; the plugging template sleeves the outer wall of the pipe body and abuts against the bottom of the floor slab; the plugging layer is filled between the inner wall of the floor reserved hole and the outer wall of the pipe body; the anti-seepage assembly comprises an inclined plate and a water stop plate, the two ends of the inclined plate are fixedly connected with the outer wall of the pipe body and one end of the water stop plate respectively, the water stop plate is horizontally arranged at the top of the floor and completely covers the plugging layer, at least two plugging holes are formed in the water stop plate and communicate with the plugging layer, and water seepage holes are formed in the outer wall of the pipe body. The water seepage holes are formed in the upper part of one end, fixedly connected with the inclined plate, of the pipe body; the sealing assembly is used for sealing the connecting position of the anti-seepage assembly and the floor. The structure can effectively prevent water leakage.
Owner:陕西建工第八建设集团有限公司