3548 results about "Pipe" patented technology

The application discloses a multi-column packaging machine convenient to clean, which comprises a feeding assembly, a former body and a longitudinal sealing assembly. A material guiding recess is arranged at the bottom of a material bin. The accumulated powder material is gathered and guided to flow to a first discharge hole through the material guiding recess. The former body is arranged below the feeding assembly. A central through hole is arranged on the front side of the former body. A longitudinal sealing accommodating channel is movably formed between the surface in the third accommodating recess and the back surface of the longitudinal sealing movable seat. The longitudinal sealing accommodating channel is in communication with the central through hole. One end of a filling pipe is fixedly connected with the first discharge hole, and the other end of the filling pipe is sequentially arranged in the central through hole and the longitudinal sealing accommodating channel. Compared with the prior art, the application has the beneficial effects that the flowability of the powder material in the material bin is effectively improved through the arrangement of the arc-shaped curved surface, the central through hole is designed in an open type, and the detachable connection mode of the longitudinal sealing assembly is adopted, so that the disassembly direction of the longitudinal translation of the filling pipe is realized.

The application discloses a through-layer drilling ring flow supply self-cleaning and blocking integrated hole bottom extraction non-jetting drill tool, which comprises a multifunctional rod body, an extraction inner group pipe, a radial cavity forming nozzle, an axial blocking nozzle, a conical hole screen plate strip, an air inlet transition piece, a cross-border air inlet pipe, a compression spring slide valve assembly and a ring flow opening and closing drill bit. The special slide valve control mechanism is adopted, the original radial cavity forming jet flow is reserved, and the instantaneous axial blocking jet flow is added, so that the conical hole screen plate strip is self-cleaned and blocked. The cross-border air inlet pipe and the transition air inlet piece are combined and sealed, so that the radial air inlet channel passes through the axial flow supply channel without air and water leakage. The ring flow supply anti-backflow opening and closing drill bit is designed, and the jet flow water medium pollution problem and the drill bit opening and closing problem are solved.

This invention discloses a grouting and sealing device for fault water hazard prevention, relating to the field of underground grouting and sealing technology in coal mines. It includes a grouting component body with a feed pipe fixedly installed on its inner surface. The grouting component body is equipped with at least two sealing mechanisms. Through the arrangement of these sealing mechanisms, when encountering a gourd-shaped borehole, the segmented arrangement of the first and second expansion capsules allows the external air supply end to inflate the first expansion capsule. With the cooperation of the connecting and limiting components, the first and second expansion capsules are positioned in the larger and smaller diameter areas of the gourd shape, respectively. This allows the first and second expansion capsules to expand to appropriate sizes after expansion, respectively, to cooperate with different areas during sealing. This avoids poor contact with the gourd-shaped borehole wall during sealing, increases the sealing contact area with the borehole wall, and ensures the sealing effect during grouting and sealing.

The utility model relates to steel pipe coating processing technical field, concretely relates to a kind of powder shower coating powder spraying device for steel pipe plastic coating, including protective box, two mutually parallel placement plates are installed in protective box interior, arc-shaped opening for placing steel pipe is opened in the upper end of placement plate, heating box and water tank are installed in protective box top, material box is located at the inside surface of heating box and is arranged in protective box top, feed pipe is fixedly installed in material box top, first valve is installed on feed pipe, liquid inlet pipe is installed in water tank top, second valve is installed on liquid inlet pipe, two heating pipes are installed in the inner bottom wall of water tank, water pump is fixedly connected with water pump input end and water tank between through mounting base and is connected in protective box top, suction tube is fixedly connected, cavity for containing hot water is provided in heating box interior;The preheating and stirring of the material box internal material can be realized in the application, effectively prevent the caking phenomenon of material, facilitate subsequent material extraction, facilitate actual use.

The utility model discloses a kind of elbow production mould of magnetic connection and elbow with inner liner, belong to pipeline production technical field, mould includes mould shell, first mould cover and second mould cover, mould cover is placed in pipe body, first mould cover and second mould cover are fixed at the both ends of pipe body.Mould shell includes first module, second module, third module, fourth module and fifth module, first module and second module are respectively located at the both ends of pipe body, first module extends pipe body, second module and second mould cover sealing connection, third module, fourth module and fifth module are located at the intermediate position of pipe body, fifth module is between third module and fourth module, third module, fourth module and fifth module are magnetically attracted and connected, third module, fourth module and fifth module are magnetically attracted and connected with first module and second module.The utility model provides a kind of elbow production mould of magnetic connection, dismounting is convenient, the manufacturing process of mould is simple, and moulding is more accurate.

A repair device for repairing an inner surface of a hollow cylindrical object comprises a drive unit having a movement mechanism for moving the entire drive unit in an axial direction in the pipe, an abrasive unit comprising an abrasive tool for cleaning the inner surface, a positioning device for adjusting the position of the abrasive tool so that the abrasive tool abuts against the inner surface, and a coating unit for applying a coating to the inner surface cleaned by the abrasive tool. The drive unit comprises a rotary drive. The abrasive unit is supported and carried by the drive unit for operation and is at least partially operable by the rotary drive. The coating unit is supported and carried by the drive unit for operation. The abrasive unit and the coating unit are selectively engageable with the drive unit for operation.

This invention relates to the field of pressure testing technology for new material composite pipes, specifically, to a pressure testing device for LLDPE three-layer composite pipes. The device includes a pressure testing body and a pressure output section mounted thereon. The pressure output section includes a first pressure output end and a second pressure output end mounted on the pressure testing body. Both the first and second pressure output ends are equipped with sealing joints. Each sealing joint includes a first compression ring with an output port at its center. Several sets of clamping components are arranged in a circumferential array on the first compression ring. The sealing joint also includes sealing components. This solution utilizes a triple mechanism of radial bidirectional clamping, adaptive gap filling, and axial pressure transfer to construct a highly reliable sealing testing system specifically for multi-layer composite pipe structures. The overall operating logic is clear: first, the pipe body is securely clamped and protected; then, the sealing is strengthened step by step.

This utility model discloses a seamless steel pipe processing device, relating to the field of seamless steel pipe processing technology. It includes a base plate and a fixed seat, with the fixed seat positioned above the base plate. Both sides of the lower surface of the fixed seat are fixedly connected to the base plate via connecting rods. The side wall of the fixed seat has a through-hole, and both the upper and lower sides of the fixed seat have strip-shaped openings in the middle. A clamping mechanism is located below the fixed seat. An L-shaped plate is fixedly mounted on one side of the upper surface of the fixed seat. A rotating rod is rotatably mounted between one side of the L-shaped plate and the fixed plate. A rotating block is fixedly sleeved on the rod wall. Sliding grooves are formed on both sides of the rotating block, and a slider is slidably mounted inside the grooves. This utility model has a spare tool that can be quickly exchanged with the working tool, reducing the time wasted on tool changes and thus greatly improving production efficiency.

The present invention relates to a kit comprising a first component of a polyisocyanate and a second component of a mixture of polyaspartic esters. It also relates to a coated pipe or tank element comprising a coating formed from such a kit, as well as a pipe or tank comprising one or more of these coated pipe or tank elements. Furthermore, it relates to a method for protecting a raw cast iron, steel, or concrete pipe or tank element using such a kit.

The utility model provides a waterproof structure for construction of an ultra-deep foundation pit in an urban updated industrial factory building. The waterproof structure for construction of the ultra-deep foundation pit in the urban updated industrial factory building comprises a secant pile body, and a steel pipe pile support is arranged outside the secant pile body; a tube well is arranged on the outer side of the steel pipe pile support. According to the technical scheme, preliminary waterproofing is achieved through tight meshing of the secant pile body; the waterproof performance is improved through the reinforcing effect of the steel pipe pile support; the water level in the foundation pit and the leakage risk are reduced under the assistance of dewatering of the tube well; and finally, construction of multiple waterproof barriers is achieved, and construction safety and foundation pit stability are ensured.

Disclosed is a pipe bending system that bends a pipe to be processed into a prescribed shape, the pipe to be processed including a metal pipe and two horn nuts. The pipe bending system includes a bending machine and a pipe supply machine. The pipe supply machine includes a termination mechanism that performs a termination operation of moving the two horn nuts to the end portion side of the pipe to be processed for the pipe to be processed, so as to bring one of the two horn nuts into abutment with one of the two annular protrusions and bring the other of the two horn nuts into abutment with the other of the two annular protrusions, and an inspection mechanism that detects an abnormality of the pipe to be processed that should be bent by the bending machine using the termination operation.

The application discloses a stair tread of a scaffold, which is composed of a steel pipe, a bottom module plate, an upper module plate and a middle module plate, the module plates are arranged on the steel pipe and the included angle of the module plates with the ground is adjusted by rotating the steel pipe, in addition, the stair tread further comprises a connecting pipe fitting, a buffer assembly, a conveying assembly and the like, wherein the connecting pipe fitting is connected to the steel pipe and is responsible for adjusting the angle of the bottom module plate, the upper module plate and the middle module plate, the buffer assembly is arranged between the steel pipes and is used for relieving the impact of objects in the conveying process, and the conveying assembly realizes the horizontal movement of the objects through a sliding vehicle, thereby reducing the influence on the equipment. The design enables the work area to efficiently and stably convey the materials, and improves the work efficiency.

The application discloses a kind of downhole filling hole fast construction method, it is related to mining exploitation technical field, and its technical scheme main point is: the construction method includes equipment preparation and installation, installation wellhead device, pneumatic down-the-hole hammer percussion drilling, borehole inclinometry, down filling pipe and well cementation etc. steps.Compared with prior art, mainly corresponding adjustment is made to equipment preparation and installation, installation import device, pneumatic down-the-hole hammer percussion drilling three steps, solve the problem of large equipment size, disintegration difference, improve the efficiency of drilling rock, solve the problem of dust flying, realize from surface to downhole any middle section construction through construction filling hole, realize environmental protection construction, realize the green, cycle and sustainable development of mine.

The utility model relates to special gas storage technical field, propose a kind of special gas bottle storage device, including storage frame, the storage frame includes bottom plate, several steel pipes are fixed with on the bottom plate and the steel plate that connects each steel pipe in square type, the elastic bottom support mechanism for supporting special gas bottle body is provided in each grid slot, cross-shaped through slot is set up on the steel pipe around grid slot, and through slot is provided with the supporting mechanism that when special gas bottle body is pressed elastic bottom support mechanism, special gas bottle body is clamped, the utility model in the supporting mechanism is linked with elastic bottom support linkage, when special gas bottle is pressed, clamping arm is automatically rotated around rotation shaft, pressing block is in close contact with bottle body rubber washer, and arc concave surface and conical rubber washer closely adhere, form radial constraint force, inhibit bottle body to sway, rubber washer adopts the taper structure of big down small, increase the contact area with pressing block, disperse local pressure, its material can buffer bottle body tiny displacement, prolong service life.

This utility model discloses an arch-breaking fluidization device to prevent material from arching in a powder tank. It includes a powder tank mechanism and a piping mechanism embedded in the inner cavity of the powder tank mechanism. The powder tank mechanism has a hopper, a discharge neck fixed to the bottom port of the hopper, and multiple protruding strips arranged in a ring array on the outer surface of the hopper. The inner side of each protruding strip has a groove communicating with the inner cavity of the hopper. The outer surface of the discharge neck has multiple openings arranged in a ring array. The piping mechanism includes a pulse air cannon, a ring pipe connected to the pulse air cannon's delivery port, and multiple outer pipes arranged in a ring array connected to the inner side of the ring pipe. One of the outer pipes is connected at its end to an inner pipe located in the center of the hopper's inner cavity, and the bottom end of the inner pipe is connected to a hollow tank. This arch-breaking fluidization device can achieve multi-directional arch-breaking fluidization throughout the hopper, reducing arch-breaking blind spots, minimizing the impact of pulsed airflow on the tank, and preventing pipe blockage.

This invention discloses a multi-station assembly pressing device, including a workbench, a first station, a second station, a third station, and a fourth station arranged sequentially along the X-axis, and a material transfer mechanism for switching the pipe material to be processed between adjacent stations. Each station and the material transfer mechanism is located on the workbench, and each station is equipped with a fixing clamp for securing the pipe material. The first and third stations are each equipped with a pressing mechanism for pressing the annular fitting to be assembled onto the end of the pipe material, and a feeding mechanism for supplying the annular fitting to the pressing mechanism. The second and fourth stations are each equipped with a pressing mechanism for pressing the end of the pipe material. According to preset design requirements, one or more stations from the first to the fourth station can be selectively activated once or multiple times to perform multiple processing operations on the end of the pipe material.

According to the present invention, there is provided a pipe forming apparatus for forming a pipe at an installation site. The apparatus includes a former upon which material is wound, and a mold for receiving the former bearing the wound material. An applicator is provided for applying curable liquid within the mold. Advantageously, the pipe is formed at site to provide for efficient formation of a pipeline. A transported ISO container providing the material and curable liquid to the site can produce 800 metres of pipeline section, compared with 60 metres in the prior art, representing a significant increase in efficiency.

This invention discloses a welding alignment device and method for large-diameter pipes. The large-diameter pipe welding alignment device includes a central base, with a traveling mechanism arranged circumferentially around the central base. A central shaft is located at the center of the central base and is rotatably connected to the central base. Multiple primary positioning mechanisms are evenly arranged around the central shaft, each primary positioning mechanism including a primary positioning seat parallel to the central shaft, which is connected to the central shaft via a parallelogram linkage mechanism. Each primary positioning seat has a secondary positioning mechanism, including a secondary first positioning mechanism corresponding to a first pipe to be welded and a secondary second positioning mechanism corresponding to a second pipe to be welded. This invention is designed for large-diameter pipes, achieving alignment of two pipes to be welded from within the pipe itself. It occupies a small area and can be applied on-site.

The utility model provides a kind of for assembling pressure riveting tool of current collector pipe and baffle, belong to pressure riveting tool technical field.It solves the problem of unstable assembly of current existing current collector pipe assembly.The utility model a kind of for assembling pressure riveting tool of current collector pipe and baffle includes lower mould assembly, punch riveting assembly and upper mould assembly.In the utility model, when upper mould assembly drops to predetermined height, upper mould assembly will push each punch riveting assembly, and punch riveting assembly located at the both ends of baffle will exert pressure on the both ends of baffle, to realize the pressure riveting connection of the both ends of baffle and current collector pipe, so, it can effectively enhance the connecting strength between baffle and current collector pipe.

The application discloses a method for vibrating and sinking a pile pipe of a gravel pile, and comprises the following steps: step one, using a vibration hammer on a gravel pile ship to sink the pile pipe into the soil; step two, when the bottom of the pile pipe meets the soil with a larger compactness, and the vibration hammer cannot continue to sink the pile pipe to the design elevation even after reaching the maximum power of the equipment, calculating the additional vibration mass F 额 , that is, calculating the weight of the gravel to be filled into the pile pipe in advance; step three, filling the gravel with the weight of the additional vibration mass F 额 into the pile pipe; step four, continuing to use the vibration hammer to sink the pile pipe until the pile pipe is sunk to the design bottom elevation; and step five, adding the remaining gravel M 桩管 -F 额 into the pile pipe, and then performing a subsequent pipe pulling process. The gravel filled into the pile pipe in advance increases the vibration mass, so that the purpose of improving the penetration of the pile pipe in the pile sinking process is achieved.

Provided is a steel pipe joint device. The steel pipe joint device disclosed herein comprises: a first joint pipe coupled to one end of a steel pipe; a second joint pipe inserted into and coupled to the first joint pipe; a shear key for connecting the first joint pipe and the second joint pipe; a first fixing part for fixing the shear key to the first joint pipe; and a second fixing part for fixing the shear key to the second joint pipe.

This invention belongs to the technical field of steel for engineering structures, and particularly relates to a method for producing ultra-thick pile pipe steel with excellent low-temperature toughness based on hot rolling. The chemical composition of the steel, by weight percentage, includes: C: 0.05%-0.07%, Si≤0.08%, Mn: 0.7%-0.9%, P≤0.018%, S≤0.008%, Ti: 0.03%-0.04%, Als: 0.02%-0.050%, Nb: 0.008%~0.018%, N≤0.0050%, with the balance being Fe and unavoidable impurities. The hot-rolled coils of ultra-thick pile pipe steel with good low-temperature toughness are produced by hot rolling, replacing medium-thick plates with ultra-thick specifications, improving production efficiency and reducing costs. The mechanical properties, low-temperature toughness, and weldability of the steel plate meet the user's requirements.

The utility model discloses straight seam steel pipe pile with detachable lock catch structure, including pipe stake one and pipe stake two, pipe stake one and pipe stake two are equipped with lock catch subassembly, the lock catch subassembly includes the rotating ring, the rotating ring is equipped in pipe stake one top, the rotating ring top outer wall is fixedly connected with two vertical setting's hook claw, the pipe stake two circumferential outer wall bottom fixedly equipped with the limit ring, the limit ring top outer wall is equipped with two with the hook claw adaptation's avoidance slot, the limit ring top outer wall is provided with two clamping groove, and two hook claws can just be inserted in two clamping groove inside, be provided with connecting structure between pipe stake one and rotating ring, the utility model discloses through setting lock catch subassembly, can realize the quick connection of two pipe stakes, also can according to the need quick dismounting lock catch structure, replace new steel pipe stake, need not to carry out large -scale destruction and reconstruction to whole basic structure.

The application relates to a permanent and temporary combined loop pipe roof underground excavation construction subway station tunnel arch opening reinforcing structure and a construction method, and belongs to the underground space construction technical field. The structure comprises a temporary support structure and a permanent support structure. The temporary support structure comprises pipe roof lining arranged on the lower sides of loop pipe roofs near the opening area on both sides, and door-shaped support steel frames are arranged under the pipe roof lining and fixed to the bottom of the tunnel. The permanent support structure comprises a loop reinforcing beam, a longitudinal reinforcing beam and pipe roof anchor bars. The longitudinal reinforcing beam is arranged along the cross sections of the loop pipe roofs on both sides of the opening area. One end of the pipe roof anchor bar is implanted into the cross section of the loop pipe roof, and the other end is implanted into the longitudinal reinforcing beam. Loop reinforcing beams are arranged under the two ends of the longitudinal reinforcing beam. The loop reinforcing beam is fixed to the loop pipe roof in the non-opening area through loop reinforcing beam anchor bars. The temporary support structure and the permanent support structure are combined, the tunnel arch structure can be reinforced under the condition of a large opening, a new stable stress system can be formed after the loop pipe roof is partially cut off, and the safety of the tunnel construction is ensured.

The utility model relates to a kind of multi-tube shaft confluence type vacuum negative pressure drying barrel, including barrel body, and fixed on support by the central shaft welded in the both ends of barrel body. Its characterized in that: first air hole is respectively opened in the both ends sealing plate of barrel body, gas pipe shaft is equipped in barrel body, and its both ends are sealed and connected first air hole;Second air hole is equipped on gas pipe shaft;Rigid cover is respectively equipped outside the both ends of barrel body, and rigid cover is enclosed into airtight confluence chamber by the shaft hole of its top and the central shaft and sealing plate;Third air hole is equipped on central shaft, steam in barrel body enters gas pipe shaft from second air hole, enters airtight confluence chamber by first air hole, and then enters central shaft from third air hole and is concentrated and exported from end portion air outlet;The utility model realizes gas shunting by multi-tube shaft, and output after quick and smooth collection, solve the steam accumulation in negative pressure environment in barrel, poor air extraction, low drying efficiency technical bottleneck, significantly optimize material drying uniformity and drying efficiency under vacuum negative pressure environment.

The utility model discloses a concrete additive storage tank cleaning device, including base and cleaning part: the top of this base is provided with the hydraulic lift, the top of this hydraulic lift is provided with the water spray pipe, this cleaning part sets up at the top of hydraulic lift, this cleaning part has the rotation axle that rotates to set up in the top of hydraulic lift, the top of this hydraulic lift is provided with motor, and the output of motor is connected with the rotation axle, the side surface vertical nestling slide of rotation axle is provided with the slide a, the side surface rotation of slide a is provided with the connecting rod a, and the one end rotation of connecting rod a away from slide a is provided with the cleaning rod. The utility model discloses setting up the cleaning part can utilize the height of hydraulic lift adjustment water spray pipe and cleaning part to adapt to the concrete additive storage tank of different height, when the slide of slide a on the rotation axle, through the drive of connecting rod a and connecting rod b, make the cleaning rod can realize displacement, and it is convenient to clean the inside of the storage tank of different size.

The present application relates to the technical field of filling mining, in particular to a kind of underground bag type filling retaining wall structure and construction technology, the upper layer access is arranged above the lower layer access, the access axis of the upper layer access and the lower layer access is perpendicular;The fixed hook is arranged in the top of access;The top edge and side edge of the filling cloth bag are all provided with suspension fixing hole, the filling cloth bag is hung on the fixed hook;The filling pipe main pipe and filling pipe auxiliary pipe are all arranged in the top of access;The access mouth reinforcement net is arranged in the access mouth position of access;The access interior reinforcement net is arranged in the interior of access;The access filter pipe is arranged in the middle position of the bottom and both sides of access;The access water guide pipe is arranged in the middle position of the bottom, top and both sides of access;The observation top connection pipe and the access exhaust pipe are all arranged in the top of access.The present application significantly improves the safety and overall efficiency of mine filling construction.