2202results about "Pipes" patented technology

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.

A grommet apparatus for cable passage is provided at a component opening. It includes a radially circumferential connecting portion for connecting the grommet apparatus to an edge region of a component opening in an assembly direction and a cable passage portion.

The invention discloses a buoyancy pipe penetrating construction method, which is characterized in that a water source is used as a medium between an outer sleeve and an inner penetrating pipe, so that the smoothness of the construction process is ensured, and an inlet hole water stopping device and an outlet hole water stopping device are respectively arranged at two ends of the outer sleeve and are used as a sealing system of the water source. In addition, a limiting device, a limiting roller and an anti-collision roller are installed at the position of the inlet hole, the inner wall of the outer sleeve and the end of the inner penetrating pipe respectively. And finally, the inner penetrating pipe is smoothly pushed into the outer sleeve under the action of buoyancy. The problems that in a traditional roller launching method, a method for installing trundles on the outer wall of a pipeline and a pulley block propelling method, the roller structural strength is insufficient, durability is poor, and an outer anticorrosive coating of the pipeline is prone to being damaged are effectively solved, and the method is particularly suitable for large-diameter and long-distance inner penetrating pipe construction with the high requirement for finished product protection; and the method has good economical efficiency and implementation effect.

The invention discloses a through-wall sealing structure and method for a cabinet and a pipeline in the technical field of liquid cooling radiators, and aims to solve the problems of poor sealing performance and high processing precision requirement of the through-wall sealing structure of the pipeline in the prior art. The method has the advantages that the precision requirement for part manufacturing is lowered, the manufacturing cost is reduced, sealing of a gap between the adapter and a cooling liquid pipeline and a gap between a pipe orifice surface and a first step is achieved by replacing a second sealing ring and a third sealing gasket which are different in size or thickness, and the sealing requirement for leakage prevention is met; even if the sealing of the second sealing ring and the third sealing gasket fails, the first sealing gasket based on the flange surface as the support can prevent the cooling liquid from seeping into the cabinet wall. The adapter is connected with the cabinet wall, the flange face serves as a support, and the cooling liquid pipeline is indirectly fixed to the cabinet wall through the flexible extrusion effect of the first sealing gasket, the second sealing ring and the third sealing gasket, so that stress deformation gaps are prevented, and sealing is ensured.

A grommet according to one aspect of the present disclosure includes: an annular mounting portion that is to be fixed to a surrounding portion of an insertion hole of a vehicle body panel; and a tubular stress-absorbing portion that includes a tubular side wall that extends from an inner circumferential rim portion of the mounting portion toward one side in an axial direction, and a bottom wall that partially closes off the tubular side wall at a front end of the tubular side wall. Furthermore, the grommet includes tubular insertion portions that are provided integrally with the bottom wall, and that cover the outer circumferences of wire harnesses inserted into the insertion hole. The mounting portion includes an annular seal portion that comes into close contact with the surrounding portion of the insertion hole of the vehicle body panel. The side wall is flexible.

The invention discloses a pipe penetrating construction auxiliary device for a large-size pipeline on a pipe gallery, and relates to the technical field of pipe gallery module pipeline construction. The device mainly comprises a walking frame, the top of the walking frame is movably provided with a bearing plate, and the top of the walking frame and the bottom of the bearing plate are connected with a lifting assembly; the auxiliary pipe penetrating mechanism comprises an arc-shaped plate fixedly mounted at the top of the bearing plate, a mounting groove penetrating through the bearing plate is formed in the bottom of the arc-shaped plate, a plurality of auxiliary wheels are rotationally mounted between the two opposite inner walls of the mounting groove, and the auxiliary pipe penetrating mechanism further comprises a driving part used for driving the auxiliary wheels to rotate; and the stable limiting mechanism is used for limiting the pipeline in the opening of the arc-shaped plate. The driving part drives the multiple auxiliary wheels to rotate to assist the pipeline to move into the pipe gallery module, the manpower demand is reduced, the construction time is shortened, the stable limiting mechanism effectively prevents instability, sliding or falling of the pipeline in the pipe penetrating process, and the construction safety risk is reduced.

The invention discloses a pneumatic type air pipe automatic fireproof plugging device, which belongs to the technical field of building fireproof equipment, and comprises a bracket, a fireproof plugging plate, a plugging mechanism for driving the fireproof plugging plate, a fixed air pipe, a movable air pipe and a movable air pipe telescopic mechanism for driving the movable air pipe, the diameter of the fixed air pipe is larger than that of the air pipe, the diameter of the movable air pipe is larger than that of the fixed air pipe, the fixed air pipe is sleeved with the movable air pipe, and the diameter of a funnel structure at the front end of the movable air pipe is smaller than that of the air pipe; the movable air pipe front-end funnel structure and the movable air pipe front-end funnel structure are sequentially in butt joint in the wall face air pipe in the flowing direction of air pressure in the air pipe, the fireproof blocking plate can be inserted into a disconnection gap between the movable air pipe front-end funnel structure and the air pipe, the movable air pipe stretches out and draws back to achieve tight connection and disconnection of a gap with a certain width of the air pipe front-end funnel structure, and the fireproof blocking plate is inserted into the gap to separate a building hole from the air pipe. Building holes are effectively blocked, and the fire-retardant separation effect is achieved.

A water stop member includes an annular main body that is coaxially brought into contact with an annular wall surface on a circumference portion side of a through-hole of a flange of a base member, an annular outer circumferential lip that is protruded toward the circumference portion, bend-deforms at the attachment completion position, and is brought into close contact with an annular plane of the circumference portion over one circumference, and an annular inner circumferential lip protruded toward the circumference portion in such a manner as to get closer to a hole axis of the through-hole as coaxially getting closer to the circumference portion from an inner circumference portion side than the outer circumferential lip of the main body, bend-deforms at the attachment completion position, and is brought into close contact with the annular plane side of the circumference portion over one circumference.

A grommet with a sealing lip running around a longitudinal axis which extends in an axial direction. The sealing lip has a spring section configured such that the sealing lip is compressible which assists in developing a sealing effect for attaching the grommet to a mounting surface such as a wall.

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.

The invention discloses a pure electric drive liquid nitrogen pump truck, and relates to the technical field of liquid nitrogen pump trucks, the pure electric drive liquid nitrogen pump truck comprises an electric liquid nitrogen pump truck body, the electric liquid nitrogen pump truck body is driven by electric power, a buffer assembly is arranged on the electric liquid nitrogen pump truck body, the buffer assembly comprises four fixed seats which are fixedly connected, two of the four fixed seats are divided into one group, and the other group is divided into two groups. The top of each fixing seat is slidably connected with a movable block, each movable block is composed of a connecting ring and a sliding rod, the outer surface of each movable block is sleeved with a first spring, and the upper end and the lower end of each first spring are fixedly connected with the corresponding connecting ring and the corresponding fixing seat of the corresponding movable block respectively. The vibration transmitted to the movable block can be reduced through the first spring, the vibration of the electric liquid nitrogen pump truck body is prevented from being directly transmitted to the storage tank through the movable block, the connecting pipe and the fixed pipe, and then the situation that due to excessive hard vibration of the storage tank, a connecting part on the storage tank is loosened is prevented; and the problem that liquid nitrogen in the storage tank leaks due to the fact that the connecting position of the storage tank and the feeding pipe is loosened is solved.

An apparatus for removable mounting of a corrugated hose into an air-conditioning duct, a building structure including the same, and a method of terminating an air-conditioning duct. The apparatus comprises a unitary body defining a tube that is sealingly engageable with the duct and a flange at an end of the hose for abutting a wall around the duct, a plug sealingly engageable in the tube, and a cap. The tube is configured to selectively snap-fit with the cap or the hose.

The utility model relates to the technical field of pipeline installation, in particular to a heat insulation type pipeline cabin penetration framework which comprises a cabin wall, a cooling assembly and an installation assembly, a casing pipe is arranged on the cabin wall, a high-temperature pipeline is arranged in the casing pipe, the high-temperature pipeline penetrates through the casing pipe, the casing pipe is provided with the cooling assembly corresponding to the high-temperature pipeline, and the casing pipe is provided with a fixing plate. A connecting plate is arranged on the high-temperature pipeline, and the rear end of the connecting plate is attached to the fixing plate. When the device is used, the motor is started to drive the rotating shaft and the first gear to rotate, the first gear drives the first gear ring to rotate, the first gear ring drives the second gears to rotate, and the second gears drive the rotating rod and the fan blades to rotate, so that the speed of air between the sleeve and the high-temperature pipeline is increased conveniently; cooling between the sleeve and the high-temperature pipeline is facilitated, heat of the high-temperature pipeline is prevented from being transmitted to a hull structure, and the heat insulation effect between the high-temperature pipeline and the hull bulkhead is improved.

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.

The invention relates to the technical field of wall bushings, in particular to a wall bushing which comprises an insulating bushing, a mounting cylinder is fixedly mounted on the periphery of the insulating bushing, and a plurality of mounting grooves parallel to the axis of the mounting cylinder are formed in the middle of the periphery of the mounting cylinder; an abutting mechanism is mounted in the mounting groove and comprises a supporting assembly arranged in the mounting groove, and the supporting assembly is fixedly connected with an abutting assembly; a second adjusting ring and a first adjusting ring are mounted on the periphery of the mounting cylinder, meshing teeth are arranged on the periphery of the first adjusting ring, and a plurality of containing grooves are further formed in the periphery of the mounting cylinder; and a transmission assembly is arranged in the placing groove. According to the invention, the installation between the sleeve main body and the side plate hole can be completed only by rotating the adjusting ring II, so that the installation complexity and the man-hour cost are reduced; and the design of a vibration reduction type elastic supporting structure of a supporting assembly in the abutting mechanism can absorb and disperse vibration energy, and the safety and stability of the wall bushing in long-term use are improved.

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.

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.

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).

The utility model relates to the field of embedded sleeve installation, in particular to an embedded sleeve positioning device. The positioning device aims at solving the technical problems that in the prior art, the field installation procedure is tedious, and the positioning efficiency of the embedded sleeve is low. A pre-embedded sleeve positioning device comprises a mounting frame, an adjusting assembly, a bottom plate and a separation groove. The positioning device adopts a universal design, can be flexibly folded and unfolded and is convenient to transport, meanwhile, during site construction, a worker can fix the mounting frame on a wall surface or the ground, the positioning device is suitable for various construction scenes, mounting is convenient and fast, the mounting efficiency of the positioning support is greatly improved, and the inclination of the bottom plate is adjusted through the adjusting assembly; according to the embedded sleeve positioning device, multiple requirements of embedded sleeve positioning are met, one or more embedded sleeves placed on the inner side of the positioning assembly are positioned at intervals, in this way, positioning is stable, the embedded sleeves are not prone to displacement in the separation grooves, and ventilation and heat dissipation are facilitated when other pipes or cables are installed in the sleeves later.

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.

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.

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

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).

The utility model belongs to the technical field of pipeline joints, and particularly relates to a connecting device capable of self-adapting to deviation, which comprises two groups of shells, sealing bodies and a sleeve, the inner sides of the two groups of shells are connected with the inner wall of the sleeve through the sealing bodies, each sealing body is composed of at least four sealing rings, and the sealing rings are connected with the inner wall of the sleeve through the sealing bodies. The battery pack connecting device has the advantages that the connecting device with automatic tolerance is adopted, so that the internal space of the battery pack can be saved, and meanwhile, the position deviation generated in the manufacturing and mounting processes of a cold plate can be absorbed.

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.

The utility model relates to the technical field of civil air defense engineering pipelines, and discloses a civil air defense engineering pipe penetrating structure which comprises a wall body, bilaterally symmetrical protection pads are slidably connected in the wall body, pipelines are fixedly connected in the protection pads, mounting plates are slidably connected in the wall body, and mounting rings are fixedly connected to the outer walls of the pipelines. A fixing ring is slidably connected to the outer wall of the pipeline, the outer wall of the fixing ring is fixedly connected to the outer wall of the protection pad, a limiting ring is rotatably connected to the outer wall of the fixing ring on the right side, a limiting groove is formed in the limiting ring, and a limiting rod is slidably connected to the interior of the limiting ring. According to the pipe penetrating structure, the rotating handle is rotated to drive the gear and the gear ring to rotate, then the inserting plate is driven to slide in the sliding base till the inserting plate completely slides out of the mounting ring, and the problems that most of existing pipe penetrating structures directly penetrate through a wall, and the pipeline is inconvenient to disassemble and assemble are solved.

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.

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.

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).

The utility model relates to a waste heat boiler through-wall pipeline sealing structure, and belongs to the technical field of waste heat boiler flue through-wall pipeline expansion and sealing. According to the technical scheme, a flexible heat preservation and insulation layer (8) is arranged on a through-wall pipe (9), an upper metal pipe frame (2) is fixed to an outer furnace wallboard (6), a lower metal pipe frame (4) is fixed to the through-wall pipe (9), and the upper metal pipe frame (2) and the lower metal pipe frame (4) respectively press the flexible heat preservation and insulation layer (8); the non-metal flexible sealing material (3) is wound on the upper metal pipe frame (2) and the lower metal pipe frame (4), and the non-metal flexible sealing material (3) is connected and sealed together through the metal bolt sealing piece (7) after being wound; and the nonmetal flexible sealing material (3) is fastened on the upper metal pipe frame (2) and the lower metal pipe frame (4) by the upper metal clamp (1) and the lower metal clamp (5). The utility model has the beneficial effects of preventing smoke leakage, reducing heat dissipation damage and avoiding expansion deformation of the pipeline.