4598results about "Branching pipes" patented technology

To solve the problem of a conventional high pressure resistance response of a channel body, which has been addressed by expansion of a brazing area and substitution with a high strength material, the first is handled by expanding the brazing area, while there is a problem in the aspect of material costs and processing in the latter, in which a problem of standardization of the channel body cannot be solved since various channel bodies are provided for different applications, a sheet brazing material is frequently used for a brazing surface, and productivity is hindered by characteristics of the sheet brazing material.SOLUTION: A high pressure resistance response is handled by two kinds of means of free expansion of a brazing area and a structure optimal for brazing effectively utilizing a capillary phenomenon to a maximum. For standardization, various kinds of channels are formed by using an integrated channel body with which a high-strength channel plate made of a metal sheet is overlapped, thereby eliminating restrictions in the standardization or in the aspect of design of the channel body.SELECTED DRAWING: Figure 1, Figure 15

The push-to-connect fitting includes a connector body, a sealing member, a grab ring, a cartridge, a retainer sleeve, a plurality of latches, and an interference portion. The sealing member is configured to form a sealing engagement with a fluid conduit. The grab ring includes a plurality of teeth configured for coupling to the fluid conduit. The retainer sleeve is received over at least part of the cartridge and is received over at least part of the connector body. The plurality of latches are located on the retainer sleeve and are configured to secure the retainer sleeve to the connector body to facilitate retention of the sealing member, the grab ring, and the cartridge. The interference portion is configured to engage the retainer sleeve to substantially prevent rotation of the retainer sleeve relative to the connector body.

The invention discloses a rail transit U-shaped beam wall-mounted pipeline type ballastless track maintenance system which comprises a plurality of telescopic supporting units arranged at intervals in the length direction of a ballastless track, a plurality of maintenance spraying pipes arranged side by side are installed between the telescopic supporting units, the maintenance spraying pipes are located above the ballastless track, and the telescopic supporting units are connected with the maintenance spraying pipes. The two ends of each maintenance spraying pipe communicate with the water inlet pipe system and the communicating pipe system correspondingly, the inlet end of the water inlet pipe system communicates with the water storage tank through the pressure water pump, and the telescopic supporting units stretch across the two sides of the U-shaped beam. The ballastless track can be effectively subjected to spraying maintenance operation, the purpose of maintaining different areas in the transverse direction of the ballastless track is achieved, spraying maintenance sufficiency is ensured, evaporation of local moisture of the ballastless track is made up, the situation of excessive water supplementing is avoided, and the purpose of overall moving can be achieved. The device is suitable for the technical field of watering maintenance of the ballastless track on the U-shaped beam.

A cable mount for a fluid conduit, comprising a lower main body (7) with a bore therethrough and a shaped opening formed thereinto, an upper body (6) for engagement relative to the main body and comprising a cable bore therethrough and a receiving opening oriented towards the shaped opening in the main body and a collet (8) with a collet bore defined by a segmented body and having at least one tapered radial surface to abut a surface of the receiving opening in the upper body and a shaped lower portion with at least one radial surface corresponding to the shaped opening in the main body to resist rotation of the collet as the upper body is tightened onto the lower body, wherein the collet bore has a predefined dimension when the upper body is fully engaged with the main body.

A connecting device includes a floating connector, a case, and an elastic sheet. The floating connector has a channel configured to let a liquid pass through it. The elastic sheet includes a first extending structure, a second extending structure, and a curved structure. The first extending structure is affixed to the case. The second extending structure is connected to the floating connector. The head end and the tail end of the curved structure are respectively connected to the first extending structure and the second extending structure.

A fluid connection for a hydromotive machine or fluid-control valve having a first duct and a second duct. The first duct includes a mid-portion between a first end of the first duct and a second end of the first duct that has a non-circular cross-section. A second end of the first duct is wholly within the second end of the second duct. A first end of the second duct is wholly outside of the first duct.

A pipe connection structure includes a first pipe joint, a second pipe joint and a limiting structure; the second pipe joint and the first pipe joint are connected through insertion, an outer surface of the second pipe joint is provided with a first fitting structure, an end of the limiting structure is connected to the first pipe joint, and another end is provided with a second fitting structure; in a direction of the insertion, the second fitting structure and the first fitting structure are fitted to block each other, and the second fitting structure and the first fitting structure are fitted with a clearance.

The invention provides a non-stop production under-pressure tapping construction method for an oil pipeline, and belongs to the technical field of oil pipeline construction. The method comprises the steps that a tapping operation point is selected, and the wall thickness is measured; preparing an under-pressure welding short pipe and a valve; welding a short pipe on the oil pipeline under pressure, and determining optimal welding current, voltage and welding speed by adopting a welding parameter game model; installing a valve and carrying out a strength test; assembling the tapping machine and connecting the tapping machine with the valve; carrying out overall air tightness inspection; pressure tapping operation is executed, and the tapping speed and the feeding amount are adjusted in real time through the tapping operation parameter optimization model; returning the cutter and closing the valve after tapping; and dismantling the tapping machine to finish the operation. According to the scheme, the problems existing in the prior art are effectively solved, the reliability and safety of under-pressure trepanning construction are greatly improved, meanwhile, the operation efficiency is remarkably improved, and the problems that in an existing under-pressure trepanning technology, the welding quality is still difficult to control, and the trepanning process is uncontrollable are solved.

Embodiments of a manifold of a hydraulic fracturing system include a junction having an inlet flow bore. The junction can include an integrated flow junction and valve check assembly having a body including a central portion and one or more side portions. The central portion can be positioned between a pair of manifold sections of the manifold and attached thereto. The one or more side portions extend radially from the central portion and include an inlet bore through which a pressurized fluid is received and supplied to the manifold. One or more check valves is positioned along the inlet bore so as to be integrated within the body of the junction.

The present invention provides a quick connector for a hydrogen tube bundle vehicle, comprising: a male end, which includes a male gun seat, a gas distribution valve and a pilot valve; a female end, which includes a female gun seat, a gun head sleeve, an outlet valve core and a main valve core, the gun head sleeve is fixedly connected to the female gun seat through a gun body, and the gun body is provided with a gas replacement channel; wherein, in a first state, the pilot valve is closed to make the male end self-sealed, and the outlet valve core and the main valve core are closed to make the female end self-sealed, and in a second state, the gun head sleeve is aligned with the male gun seat and fits together, and the gas replacement channel can be connected to the internal channel of the female end through the main valve core to perform gas replacement, and the outlet valve core can be fit together with the end face of the pilot valve, the pilot valve, the outlet valve core and the main valve core are all opened to connect the internal channels of the male end and the female end, so that the quick connector can be opened under pressure, and the first state and the second state can be switched, so that the pressurized connection and pressurized disconnection of the male end and the female end can be completed.

The invention discloses a battery device and a power utilization device, and the battery device comprises a box body which is internally provided with a containing cavity and comprises a first plate; the heat exchange assembly comprises a first heat exchange part and a second heat exchange part which communicate with each other, the first heat exchange part is arranged outside the box body, and the second heat exchange part is arranged on the face, facing the containing cavity, of the first plate; the connecting block is arranged on the first heat exchange part; the heat exchange connector penetrates through the connecting block in the first direction and then is connected with the open hole in the first heat exchange part in a sealed mode, and the heat exchange connector is located outside the connecting block and welded to the connecting block. According to the scheme, the sealing performance of connection between the heat exchange connector and the first heat exchange part can be guaranteed, the sealing performance of the heat exchange connector and the connecting block can be guaranteed, and the sealing performance of the heat exchange connector during connection is effectively improved. Due to the fact that the heat exchange connector is connected with the first heat exchange part and the connecting block in a sealed mode, the sealing reliability can be improved.

The invention discloses a power plant automatic gas pipeline and a pressure control method thereof, the power plant automatic gas pipeline comprises a main pipeline, one end of the main pipeline is provided with a conveying pipeline and a pressure relief pipe, and the inside of the main pipeline can be conveyed to the inside of the conveying pipeline or the pressure relief pipe; a pressure relief valve shell is arranged at the top of the main pipeline, a pressure relief pipe is arranged on the pressure relief valve shell, and the pressure relief valve shell and the pressure relief pipe are at least used for dividing pressure of high-pressure steam in the main pipeline and conveying the high-pressure steam into the conveying pipeline or the pressure relief pipe; a stop valve is arranged on the main pipeline and is at least used for changing the flow of steam in the main pipeline; a valve element is arranged in the pressure relief valve shell in a sliding mode and at least used for controlling opening and closing of the pressure relief pipe. According to the pressure relief valve shell, when the steam pressure in the main pipeline rises, steam can enter the pressure relief pipe through the valve element and is discharged from the connecting pipe and the branch pipe, and the good protection effect on the main pipeline is achieved.

The invention relates to the technical field of valve detection, in particular to a valve with a leakage detection function, which comprises a valve body, the two sides of the valve body are respectively connected with the end parts of an input pipe and an output pipe, a valve core is rotatably sealed in the valve body, a through hole is formed in the middle of the valve core in a penetrating manner, and a detection hole is formed in the bottom of the through hole in a penetrating manner; the bottom of the valve body is in threaded connection with the input end of the pressure gauge through a detection pipe, a second valve element is rotationally sealed in the detection pipe, a second detection hole of the second valve element is perpendicular to the detection hole, and the valve body is in threaded connection with the input end of the pressure gauge through the detection pipe. And the accuracy of detecting the pressure in the pipeline structure by the pressure gauge is also improved.

A liquid cooling server cabinet water distributor, comprising: a pipe main body (1), a liquid outlet connector (2) and a liquid inlet connector (3). A plurality of branch pipe connectors (4) are provided on the pipe wall of the pipe main body, and are used for connecting to an external heat exchange unit; one end of the liquid outlet connector and one end of the liquid inlet connector are connected to two ends of the pipe main body respectively, while the other end of the liquid outlet connector and the other end of the liquid inlet connector can be connected to each other; when the liquid outlet connector is connected to a liquid inlet connector of an adjacent liquid cooling server cabinet water distributor, the liquid outlet connector is communicated with the liquid inlet connector; the liquid outlet connector and the liquid inlet connector are self-sealed connectors.

The utility model discloses a backwater flow divider which comprises an outer shell, an installation shell and a tailstock. A first mounting port and a second mounting port are formed in the two ends of the shell, a pressure reduction outlet, a pure water inlet and a pure water outlet are formed in the side face, a pressure reduction cavity and a pure water cavity are formed in the shell, a backflow port is formed between the pressure reduction cavity and the pure water cavity, and a one-way valve assembly is arranged in the pressure reduction cavity; the mounting shell is mounted at the first mounting opening and is provided with a raw water connector; a pressure reducing valve assembly is arranged in the mounting shell; the tailstock is installed at the second installation opening, and a water return assembly is arranged between the tailstock and the shell and used for controlling the amount of backflow of pure water from the pure water cavity to the pressure reduction cavity. According to the utility model, the requirements of different water outlet flows are met, a plurality of water using modes are provided, and the automatic regulation of the water outlet flow of the pure water pipeline of the water purifier is realized.

The utility model discloses a threading machine processing cooling liquid shunting structure which comprises a valve body and pipe bodies, reserved grooves are formed in the valve body at equal intervals, baffle grooves are formed in one ends of the interiors of the reserved grooves, baffles used for blocking the baffle grooves are arranged in the baffle grooves in a sleeved mode, and the pipe bodies are fixed to the top of the valve body at equal intervals through threaded grooves. According to the utility model, the cooling medium is shunted through the plurality of reserved grooves, the reserved grooves are blocked through the baffle plate capable of moving up and down, so that the purpose of controlling the cooling medium is achieved, and the flow of the cooling medium can be controlled by controlling the upward moving height of the baffle plate.

The invention discloses a lockhole-free type plugging tee joint for a pipeline, and relates to the technical field of plugging tee joints, the lockhole-free type plugging tee joint comprises a tee joint shell and a lower protection plate, an annular clamping groove is formed in the inner wall of the tee joint shell, and a plug is installed in the tee joint shell at the position of the annular clamping groove; a locking assembly is assembled on the top of the plug in a sliding mode, the locking assembly comprises a clamping ring and a driving device, and the clamping ring is formed by combining a plurality of first clamping pieces and a plurality of second clamping pieces. The detachable clamping ring is adopted as a clamping structure, in the process that the plug is fed into the three-way shell, the first clamping piece moves to the first containing position, the second clamping piece moves to the second containing position, the clamping ring can be disintegrated, so that the clamping ring moves into the radial section of the plug, and in the process that the plug is fixed, the clamping ring can be detached, and therefore the plug can be fixed. The first clamping piece and the second clamping piece move to the terminal position, so that a complete clamping ring can be formed at the outer edge of the plug, and the fixing strength of the plug is improved.

To provide a drainage piping joint that has a sufficient drift function and can prevent clogging due to an object (solid matter) that obstructs a flow of drainage.SOLUTION: A drainage piping joint 100 has a side opening part 112 on a side surface of a cylindrical trunk part 110 having a vertical axis center. A lateral branch pipe connecting part 120 is provided in the side opening part 112, and an upper vertical connection part 140 and a lower vertical pipe connection part 160 are provided at upper and lower opening parts (upper opening part 114 and lower opening part 116) of a trunk part 110, respectively. The lateral branch pipe connection part 120 has a circular cross section centered on a lateral axis of the lateral branch pipe connection part 120 (without a swelling part), a drift plate 200 composed of a wall surface including a blocking part 210 and a clogging prevention part 220 for closing a part on a left side or a part on a right side of a circular cross section is provided in order to divert the drainage flowing from a lateral branch pipe to the side opening part 112 to either the left or right, and the wall surface does not project into the trunk part 110 (like a backflow prevention rib 300).SELECTED DRAWING: Figure 3

The invention discloses a water-leakage-proof pipeline butt joint device, and relates to the related field of drip irrigation pipeline butt joint, the water-leakage-proof pipeline butt joint device comprises a drip irrigation main pipe, butt joints are arranged on the two sides of the drip irrigation main pipe, drip irrigation branch pipes are connected to the outer sides of the butt joints, and butt joints are connected between the butt joints and the branch pipes; sealing sleeves are symmetrically arranged on the two sides of the butt joint device and connected with the sealing grooves in a concave-convex fit mode. Sealing bags are arranged on the inner walls of the left side and the right side of the butt joint device, and the sealing bags are tightly attached to the outer sides of the butt joint head and the branch pipe. When pipeline connection is carried out, the sealing bag is extruded to adaptively fill a tiny gap and an irregular surface at a pipeline joint to form tight fit, the sealing effect is ensured, the sealing sleeve tightly wraps the pipeline joint, the sealing reliability is further enhanced, the leakage risk is reduced, meanwhile, due to the arrangement of the locking block and the inserting groove, the sealing effect is improved, and the sealing effect is improved. And the butt joint stability of the pipelines can be further improved.

A coupling for joining a first pipe segment to a second pipe segment that includes a first coupling segment and second coupling segment that has a first end, a second end, an outer surface, and an inner surface. Fastener openings are disposed on the first end and the second end, and the outer surface is contoured to define an arched shape that is higher towards an axial midpoint and lower towards the first end and the second end. The outer surface contains a band, a first skirt, and a second skirt on each side of the band. A seal groove is defined on the inner surface between two outer edges of the first coupling segment and a seal is disposed within the seal grove.

The utility model belongs to the technical field of collecting pipes, and particularly relates to a collecting pipe capable of improving impact resistance, which comprises a main pipe, a branch pipe is connected to the outer side surface of the main pipe, a branch pipe flange is connected to the top surface of the branch pipe, a connecting flange is connected to the top surface of the branch pipe flange, and a connecting pipe is connected to the surface of the other end of the connecting flange. And a flow meter is arranged at the bottom end of the connecting pipe. According to the utility model, through the mutual matching among the connecting pipe, the rotating shaft, the fan blades and the bearing, the rotatable fan blades can be arranged at one end of the branch pipe, so that when fluid flows to the branch pipe, the fan blades are driven to rotate, the fluid is shunted, the impact force of the fluid during circulation is weakened, the fluid does not have larger impact force when flowing into the main pipe, and the service life of the main pipe is prolonged. And secondly, through mutual cooperation of the positioning blocks and the bolts, the fan blades in the connecting pipes can be separated and detached, an operator can maintain the fan blades, and the using effect of the fan blades is ensured.

The invention discloses a multi-stage differential cavity structure, a vacuumizing system and a vacuumizing method, and relates to the technical field of accelerators, the multi-stage differential cavity structure comprises a main pipe, the main pipe is communicated with at least three vacuumizing pipes, each vacuumizing pipe is provided with a connecting section, and the tail end, deviating from the main pipe, of each connecting section is connected with a vacuum pump, so that the main pipe is vacuumized stage by stage by a plurality of vacuum pumps; the power and the size of each vacuum pump are reduced; the connecting section is provided with a communicating section communicating with the main pipe, the inner diameter of the communicating section and the inner diameter of the connecting section are larger than the inner diameter of the main pipe, and the vacuumizing efficiency can be improved; a first reinforcing component is arranged between every two adjacent evacuation pipes, and a second reinforcing component is arranged between each evacuation pipe and the main pipe, so that good structural strength between the evacuation pipes and the main pipe is guaranteed, clamping during cutting is facilitated, and manufacturability is improved. The invention further comprises a vacuumizing system and a vacuumizing method, so that the vacuumizing system can accurately control the air pressure, and the energy consumption can be reduced so as to reduce the cost.

The invention relates to the field of vacuum fluorination, in particular to a vacuum fluorination device which comprises a vacuum box, an air inlet and an air outlet are formed in the vacuum box, an air inlet pipe is installed at the air inlet, extends into the vacuum box and is used for introducing fluorine into the vacuum box, and an air outlet mechanism is installed at the end, located in the vacuum box, of the air inlet pipe. The gas outlet mechanism comprises a conveying assembly and a uniform distribution assembly, the conveying assembly is used for conveying fluorine gas, the uniform distribution assembly is installed on the vacuum box, and the uniform distribution assembly is used for guiding the fluorine gas blown out of the conveying assembly and enabling the fluorine gas to be uniformly distributed in the vacuum box. And the effect of improving the fluorine gas distribution uniformity can be achieved.

An irrigation fitting comprises a first fitting branch and a second fitting branch. The first fitting branch comprises a first planar region and a second planar region. The second fitting branch comprises a third planar region and a fourth planar region. The first planar region and the third planar region jointly comprise a first curved concave edge and a second curved concave edge. The second planar region and the fourth planar region jointly comprise a third curved concave edge and a fourth curved concave edge.

The utility model relates to the technical field of connector clamping sleeves, and discloses a hydraulic clamping sleeve with a pre-tightening mechanism, which comprises a hydraulic clamping sleeve, a nut I is fixedly mounted on the outer surface of the hydraulic clamping sleeve, a hydraulic pipe is movably sleeved in the nut I, a fixing groove is formed in the hydraulic clamping sleeve, and a pre-tightening mechanism is arranged in the fixing groove. And a fixing sleeve is movably installed in the fixing groove, a first spring is fixedly installed in the fixing sleeve, a wedge block is fixedly installed at one end of the first spring, and a sliding groove is formed in the outer surface of the first nut. Compared with a traditional hydraulic clamping sleeve, the hydraulic clamping sleeve has the advantages that the hydraulic clamping sleeve is matched with the sliding groove through the wedge block, the first spring and the sliding groove, a hydraulic pipe can be conveniently and rapidly fixed, mounted and dismounted, tight connection between the hydraulic clamping sleeve and the hydraulic pipe is guaranteed, excellent sealing performance is provided for a system, hydraulic leakage is effectively prevented through the strong sealing capacity, and the service life of the hydraulic clamping sleeve is prolonged. And stable operation of a hydraulic system is guaranteed.

The invention relates to the technical field of pipeline connection, in particular to a three-way pipe fitting which comprises a pipeline body and a first flow dividing assembly. The pipeline body comprises a first pipeline and a second pipeline which are perpendicular to each other, one end of the first pipeline is a water inlet end, the other end of the first pipeline is communicated with the second pipeline, one end of the second pipeline is a first water outlet end, and the other end of the second pipeline is a second water outlet end. The first flow dividing assembly is installed in the flow dividing cavity and comprises a connecting rod and a flow dividing plate. The connecting rod is parallel to the pipe length direction of the first pipeline, the connecting rod is connected into the pipeline body, the two splitter plates are connected to the connecting rod, the two splitter plates are obliquely arranged, the splitter plates are symmetrically arranged along the connecting rod, and the splitter plates are rotationally connected to the connecting rod. The three-way pipe fitting has the effect of effectively controlling the medium flow in the three-way pipe fitting.

Disclosed in the present invention are a flow divider and a Coriolis flowmeter, wherein the flow divider is of a cylindrical structure, N branch flow guide ports are formed in the cylinder bottom of the flow divider, and N is a positive integer not less than 2. The branch flow guide ports are non-circular. The total area of the N branch flow guide ports is S1, and the flow divider satisfies the following conditions: if the N non-circular branch flow guide ports are replaced with N circular branch flow guide ports, and the maximum total area of the N circular branch flow guide ports is S2, S1>S2. Compared with the prior art, the present invention can increase the integral cross sectional area of the N branch flow guide ports of the flow divider, and under the condition of certain pressure, the flow of the flow divider is greatly increased, and the pressure loss is greatly reduced.

The utility model relates to a maintenance channel structure for a water conveying pipeline. The utility model is applicable to the technical field of hydropower stations. The technical problem to be solved by the utility model is to provide the overhaul channel structure for the water conveying pipeline. According to the technical scheme, the overhaul channel structure for the water conveying pipeline is characterized in that a manhole is formed in the side wall of the water conveying pipeline, and the overhaul channel structure for the water conveying pipeline is characterized by comprising an extension pipe, a main pipe and a main pipe, the drainage assembly is arranged at the bottom of the extension pipe and is used for draining water; the plugging assembly is detachably connected to the end, away from the manhole, of the extension pipe and used for plugging the extension pipe.