46 results about "Open tube" patented technology

The utility model discloses a building engineering foundation pit monitoring device which comprises a monitoring platform flush with the top of a pit, a bottom plate close to or attached to the bottom of the pit is arranged under the monitoring platform, a closed pipe and an open pipe which vertically extend up and down are arranged between the bottom plate and the monitoring platform, and an opening is formed in the side face of the open pipe. A first rope hole formed in the monitoring platform is formed in the top of the closed pipe, a second rope hole formed in the monitoring platform is formed in the top of the open pipe, a wheel frame is arranged on the monitoring platform, a rope guide wheel is rotationally connected to the wheel frame, and a test rope with one end penetrating through the first rope hole and the other end penetrating through the second rope guide wheel is in transmission connection to the rope guide wheel. Scale marks are arranged on the testing rope, one end of the testing rope is connected with a balance weight piece arranged in the closed pipe, the other end of the testing rope is provided with a floating block arranged in the open pipe, and the mass of the floating block is larger than that of the balance weight piece. The foundation pit monitoring device has the characteristics of mechanical measurement and real-time measurement, and is complete in overall function and high in practicability.

The utility model provides a pipetting platform carrying frame, which comprises a frame body, a carrying table and consumables, the carrying table is connected with the frame body, the carrying table is provided with a plurality of placing holes for placing the consumables, and the aperture of the placing holes is matched with the outer diameter of the consumables; the consumable comprises a tube body and a tube cover, the tube cover is connected with the tube body through a deformable connecting part, and a cover body supporting part is arranged on the carrying table; and the cover body supporting part is used for supporting and limiting the pipe cover. According to the utility model, a considerable number of consumables can be loaded, the consumables with different specifications can be stably placed, the space of the platform deck can be fully utilized in a back-to-back manner, and the opened pipe cover can be stably supported and limited through the cover body supporting part, so that cross contamination caused by shaking and the like of the pipe cover in the operation process of the pipetting platform is avoided; the pipetting detection precision and efficiency of the pipetting platform are improved. The utility model further correspondingly provides the pipetting platform.

An attachment for a mobile construction machine, in particular a wheel loader, for transporting and changing the position of drilling tools and drill pipes, comprising a base plate (1), a cylindrical, open pipe (2) arranged vertically on the base plate and connected thereto for receiving a drilling tool (3) or drill pipe, and a connecting device (6, 7) for connecting the attachment to a mobile construction machine, wherein - the cylindrical tube (2) is connected to the base plate (1) at one of the two tube ends, so that the latter partially or completely closes the tube end, and the opposite tube end is open, - the inner diameter (d) of the cylindrical tube (2) is selected so that the drilling tool (3) or drill pipe can be inserted through the open pipe end, - the cylindrical tube (2) has a slot (5) extending in its longitudinal direction, the width (b) of which is smaller than the diameter of the drilling tool (3) or drill pipe, - the connecting device (6, 7) is arranged on the side of the pipe circumference opposite the slot and is connected to the pipe (2) and / or the base plate (1).

The invention discloses an opening pipe placing device for a plastic film sealing beverage cup. The opening pipe placing device comprises a straw conveying device, an upper guide pipe, a lower guide pipe, a top claw mechanism, a breaking mechanism and a shearing mechanism. The upper guide pipe and the lower guide pipe are aligned up and down; the opening breaking mechanism comprises an opening breaking petal capable of being opened and closed, a lower pointed cone is formed at a lower pipe opening of the lower guide pipe when the opening breaking petal is closed, and the pipe opening is opened when the opening breaking petal is opened; the shearing mechanism is located between the two guide pipes and comprises at least two shearing blades, and the shearing blades shear the suction pipe and block the lower pipe opening of the guide pipe when folded and open the pipe opening when separated. The top claw mechanism comprises a top claw, a first linkage mechanism and a second linkage mechanism, when the top claw is pushed in an abutting mode, the first linkage mechanism drives the breaking petals to be opened, and the second linkage mechanism drives the shearing blades to be opened. When the shearing blade is opened, the suction pipe conveying device drives the suction pipe to move downwards in the two guide pipes. According to the invention, automatic tube placement of plastic film sealed beverages can be realized, and penetration can be ensured.

The utility model relates to the technical field of sewage treatment equipment, and discloses a cleaning device for a screen drum of a spiral dehydrator. The spiral dehydrator screen drum cleaning device comprises a first vertical plate, a second vertical plate and a screen drum arranged between the first vertical plate and the second vertical plate, the right side of the first vertical plate is fixedly connected with a first supporting ring located on the outer side of the screen drum, and the left side of the second vertical plate is fixedly connected with a second supporting ring located on the outer side of the screen drum. The outer side of the first supporting ring and the outer side of the second supporting ring are rotationally connected with the same axial opening pipe, cleaning assemblies which are distributed in an annular array mode and matched with the screen drum are arranged on the inner wall of the axial opening pipe, and a worm wheel is fixedly connected to the position, close to the left side edge, of the outer side of the axial opening pipe. The spiral dehydrator solves the problems that due to the fact that materials attached to the surface of the screen drum of the spiral dehydrator are left, the screen holes are blocked, and the dehydration rate is reduced.

Methods for restoring blood flow in occluded blood vessels using an apparatus having a self-expandable distal segment that is pre-formed to assume a superimposed structure in an unconstrained condition but can be made to take on a volume-reduced form making it possible to introduce it with a microcatheter and a push wire arranged at the proximal end, with the distal segment in its superimposed structure assuming the form of a longitudinally open tube and having a mesh structure of interconnected strings or filaments or struts. In a preferred embodiment, the distal segment has a tapering structure at its proximal end where the strings or filaments or struts converge at a connection point.

To provide: a steel pipe configured so as to suppress occurrence of deformation while suppressing the content of Mn; and a manufacturing method of the steel pipe.SOLUTION: A manufacturing method of a steel pipe according to the present invention comprises: heating a steel sheet having a component composition containing, by mass%, 0.001 to 0.06% of C, 0.10 to 0.30% of Si, 0.10 to 0.50% of Mn, 0.030% or less of P, and 0.015% or less of S, and the balance Fe with inevitable impurity and hot-forming the heated steel sheet into an open tube; joining both edge portions of the open tube; and draw-rolling the open tube at a draw-rolling finishing temperature of an Ar3 transformation point or lower.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of disconnecting switches, in particular to a static contact for a disconnecting switch, which comprises a static contact and a horizontally arranged feeler lever mounted at the bottom of the static contact, symmetrically arranged mounting blocks are fixedly connected to the outer side of the feeler lever, and reaction components are symmetrically mounted on the sides, away from the feeler lever, of the mounting blocks. According to the utility model, through the arrangement of the mounting block, the reaction assembly, the connecting rod, the baffle plate, the reaction spring, the connecting plate, the contact plate, the conductive plate and the contact semi-open tube, when the device is used, the moving contact extends out and is clamped towards the direction of the contact rod, the contact plate moves to drive the contact semi-open tube to move, the reaction spring is stressed and compressed, and the contact semi-open tube is clamped by the baffle plate. According to the design, the contact area of the moving contact and the feeler lever can be increased, pressure compensation can be automatically carried out between the moving contact and the feeler lever, and unstable contact caused by external factors is avoided.

The utility model belongs to the technical field of medical instruments, and discloses an ampoule bottle opener which comprises a positioning tube, a bottle opening tube and a grinding knife, the bottle opening tube is arranged at the upper end of the positioning tube, the grinding knife is arranged in the bottle opening tube, the outer side end of the grinding knife is connected with a first guide rod, the first guide rod penetrates to the outside of the bottle opening tube, and the first guide rod is connected with a second guide rod. A supporting plate is arranged at the lower end of the positioning pipe, a rotary knob is connected to the bottom end of the positioning pipe, a transmission pipe is connected to the lower end of the supporting plate, a threaded rod penetrates through the transmission pipe, a protection disc is connected to the upper end of the positioning pipe, and a second guide rod penetrates through the outer wall of the upper end of the bottle opening pipe. According to the ampoule bottle opener, the bottle opening pipe is arranged to be matched with the clamping structure, the bottle opening pipe can be pulled to open an ampoule bottle, the upper end of the ampoule bottle opener has a certain length, more labor is saved when the ampoule bottle opener is held by hand, a certain protection effect is achieved, and glass fragments generated when the ampoule bottle is pulled open cannot injure an operator.

The utility model relates to the technical field of medical appliances, and discloses an anti-drop tube ascites drainage device, which comprises a patch part, a quantitative drainage valve tube part and a pipeline anti-drop clamping part, a quantitative control piece is arranged on a flow guide tube seat, a flow sensor monitors the amount of ascites flowing through the flow guide tube seat, and when the flow reaches a preset amount, the drainage valve tube part and the pipeline anti-drop clamping part are closed. The control mainboard controls the flap valve to block the inner channel of the tube body, nursing of medical staff is not needed, excessive drainage is prevented, quantitative drainage can be achieved, meanwhile, the open tube clamping frame is arranged at the other end of the patch part, and the abutting column piece is installed on the open tube clamping frame; the drainage tube is clamped in the open tube clamping frame, and the drainage tube is propped against and fixed in the open tube clamping frame through the propping column piece, so that the drainage tube can be effectively prevented from falling off.

The present invention discloses a charging port cover and a port cover assembly, comprising an actuator assembly, a positioning assembly, a gooseneck, a port cover and a port tube; the port tube is embedded in the body sheet metal; the port cover is mounted on the gooseneck by a snap-on method; a through hole is mounted on the upper surface of the port tube; the other end of the gooseneck is installed in the port tube through the through hole; the actuator assembly is installed at the connection between the gooseneck and the port tube; the positioning assembly is arranged on one side of the port cover; a limiting assembly for fixing the positioning assembly is embedded in the surface of the port tube; a shielding rib is installed on the back of the gooseneck; the present invention drives the port cover to operate through the actuator assembly, thereby improving the intelligent application of the product and facilitating the use by customers; by adding a decorative structure to the back of the gooseneck, the port cover can cover the through hole after being opened, so as to be integrated with the gooseneck, without the need to develop a mold separately, thereby reducing the product development and production costs; by adding a positioning structure when there is no positioning structure between the port cover and the port tube, the surface difference and gap value between the port cover and the body sheet metal are guaranteed.

A decontamination method for subsurface aquifers having per- and polyfluoroalkyl substances (PFAS) contaminants by injecting gas through a screened well or open tube through a porous media to form buoyant material where the PFAS contaminants accumulate on and / or in the buoyant material and rise to the water table or top of the aquifer with PFAS that desorbs from the buoyant material and concentrates in the shallow groundwater, and extracting or sequestering the groundwater near the water table or top of the confined aquifer and / or collecting the buoyant material for treatment. The method may include treatment of aquifer material consisting of gravel, sand, silt, clay, or fractured geologic media, or combination, and extraction through phytoremediation, groundwater extraction wells, wellpoint systems, or groundwater extraction trenches and include a seal and / or check valve near the water table in the trench to selectively permit water and buoyant material to flow upward.

Mouse bait application device with a frame (1) on which a six-disc (2), a pressure roller (3) and a plowshare (4) are attached, wherein the plowshare (4) is provided with a horizontally oriented and downwardly open tube (5) which is connected to a storage container (6), characterized in that a measuring wheel (7) is arranged on the frame (1) which is connected to a metering disc.

An in-tank filter assembly includes a removable and replaceable filter element for a hydraulic tank. The filter element has a filter construction and a bypass construction positioned radially outside of the outer perimeter of the filter construction. An end cap arrangement has a filter opening in communication with an open filter interior volume of the filter construction and a bypass opening in communication with an open tube interior volume of the bypass flow tube. A filter seal member is secured to the end cap arrangement and encloses both the filter construction and the bypass construction.

The present invention relates to a high-salt mine water reinjection device for a coal mine, comprising an injection wellbore; a cement fixed well, which is arranged in the injection wellbore; an open casing, which is fixedly arranged in the cement fixed well; an injection pipe, which is inserted in the open casing; a packer, which is provided with a sealing sliding at the lower end of the annulus cavity; an annulus liquid filling device; and a high-pressure water inlet device. A method for treating high-salt mine water in a coal mine, using the above-mentioned reinjection device, comprises the following steps: a high-pressure water inlet device transports high-salt mine water from the coal mine to the bare hole section, and the high-salt mine water from the coal mine is injected into the injection layer through the small holes in the hole wall under the action of pressure and continuously migrates to the depth; the annulus liquid filling device transmits the water pressure in the annulus cavity through the packer, and automatically controls the plunger pump to add water according to the pressure change to prevent the intrusion of mine water due to leakage. The high-salt mine water is blocked by multiple isolation layers and stored in the ground injection layer.

The invention relates to a bolt nut for securing a ceiling structure, having the following features: a. a tube with a first open tube end, a second open tube end, and a through-channel which connects the tube ends, b. a nut thread which is arranged on the radial inner face adjacently to the first tube end, c. a connecting bolt, preferably a threaded bolt, comprising a shaft and a head which is held adjacently to the second tube end in a form-fitting manner and in a rotatable manner in the through-channel, and d. a first spring which is arranged between the head of the connecting bolt and the nut thread adjacently to the first tube end in the through-channel in order to axially pre-tension the connecting bolt in the direction of the second tube end.

The utility model relates to a sea cucumber sampling frame, which comprises a sampling frame, the sampling frame is connected with a sampling handle, the sampling handle comprises a handle hollow pipe, the sampling frame comprises a frame hollow pipe, and the handle hollow pipe is communicated with a pipe cavity of the frame hollow pipe; the handle hollow pipe comprises an open pipe opening positioned at the end part, and the counterweight steel ball enters and exits from the communicated pipe cavity of the sampling frame through the open pipe opening. The sampling frame can be effectively fixed, launching operation is facilitated, and the operation difficulty is reduced.

This invention discloses a double-ring frame seam closing method. The device includes a transition closing ring frame and a closing ring frame, which are arranged adjacent to each other. The transition closing ring frame consists of a transition lifting ring frame and a transition pressure roller beam forming a trumpet-shaped structure, with the transition pressure roller beam mounted on the transition lifting ring frame. The center of the lifting ring frame is aligned with the outer axial direction of the open tube blank. This device, through its double-ring frame structure, controls the seam pressure of the closing section and the transition section separately, evenly distributing the seam force of the closing section and the transition section onto each closing roller beam to meet the needs of the production process and achieve the seam closing of the open tube blank.

1. The name of the design product: spin open tube type backwash unit filter. 2. The use of the design product: material filtration. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model discloses a waste gas treatment device which comprises an arc-surface cylinder, the arc-surface cylinder is of an arc-surface structure, an opening of the arc-surface cylinder is upward, the top surface of the arc-surface cylinder is movably connected with an opening cylinder, two sides of the arc-surface cylinder are provided with connecting pipes connected to a pipeline, a plate type filter layer is detachably connected between the arc-surface cylinder and the opening cylinder, and the arc-surface cylinder and the opening cylinder are connected through a pipeline. The plurality of plate-type filter layers are distributed along the length direction of the cambered-surface cylinder, and the air conveying tail end of the cambered-surface cylinder is connected with an air guide piece. The device has the beneficial effects that waste gas can be filtered by utilizing a multi-layer plate type filter layer, and harmful substances in the gas can be filtered and purified; the air guide piece is matched to accelerate the flowing speed of air and assist air in circulating and filtering, the filtering effect is further enhanced, the device can conveniently mount and replace the plate type filtering layer, and operation is simpler and more convenient.

The utility model relates to a three-roller forming device for a flaring thin-wall open pipe, which comprises a working table, a side plate A fixedly connected to the top wall of the working table, a side plate B fixedly connected to the top wall of the working table, and an automatic separation assembly, the automatic separation assembly comprises a mounting plate fixedly connected to the top wall of the workbench. A stable and smooth sliding rail is provided for the square guide block through the guide rail, the square guide block drives the overturning plate to move and overturn at the same time, then the driving plate is driven to drive the driving rod to be separated from the driving groove, the moving track is that the overturning plate moves rightwards and then overturns, manual repeated operation is not needed, the operation process is simplified, and the working efficiency is improved. A large amount of time consumed by frequently operating the locking bolt is reduced, so that the whole machining process is more coherent, the downtime is greatly shortened, and the production efficiency is improved.

The casing pipe opening device comprises a casing pipe jig and a cutting blade, a penetrating hole is formed in the casing pipe jig, a casing pipe penetrates through the penetrating hole, a cutter inserting groove is further formed in the casing pipe jig, the cutter inserting groove is communicated with the penetrating hole, and the cutting blade is arranged on the casing pipe jig. The cutting blade is inserted into the cutter inserting groove, one end of the cutting blade extends into the penetrating hole, and when the sleeve passes through the penetrating hole, the cutting blade cuts the sleeve open from the side wall. According to the casing pipe opening device, when the casing pipe penetrates through the through hole, the cutting blade cuts the pipe wall of the casing pipe, and a closed casing pipe is changed into an open casing pipe.

The utility model relates to the technical field of open-tube micro-focus ray tubes, and provides a cathode generating device for an open-tube micro-focus ray tube, which comprises a grid cap, a filament assembly, a grid fixing seat and a high-voltage sleeve, a grid fixing seat is fixedly arranged at the top of the high-pressure sleeve; a lamp filament assembly is arranged on the grid electrode fixing seat; a grid cap is detachably arranged on the grid fixing seat; the grid cap wraps the filament assembly. The lamp filament assembly comprises a lamp filament assembly shell, a lamp filament, a ceramic base and two pole needles. The bottom of the pole needle is connected with a filament pole of the high-voltage sleeve; the pole needle is fixedly connected with the ceramic seat, and the top of the pole needle extends out of the ceramic seat; the tops of the two pole needles are connected with the two ends of the lamp filament respectively. The ceramic seat is provided with a filament assembly housing. And the lamp filament assembly shell covers the lamp filament, the ceramic seat and the pole needle. The lamp filament can be replaced conveniently, and fine adjustment of the position of the high-voltage sleeve is achieved.

The utility model provides an X-ray tube with improved open tube vacuum degree and a rotatable anode target surface, which comprises a cavity, the upper part of the cavity is respectively connected with a molecular pump and a vacuum gauge flange, one end of the cavity is connected with a penetration body assembly flange, the penetration body assembly is connected with a high-voltage cable fixing flange bolt, and the other end of the cavity is connected with a high-voltage cable fixing flange bolt. One end of the cavity is connected with a high-voltage cable fixing flange, the other end of the cavity is connected with an anode plate assembly flange, the anode plate assembly is provided with a water cooling system, a high-voltage cable socket is installed in the cavity, one end of the high-voltage cable socket is connected with the high-voltage cable fixing flange, a grid cap is installed at the other end of the high-voltage cable socket, and a cathode is installed in the grid cap. The utility model has the beneficial effects that the open tube transmission type X-ray source is adopted, and the whole structure is beneficial to improving the vacuum degree, so that the X-ray generation efficiency can be improved, and the service life of the X-ray tube is prolonged; and the rotary anode target surface is adopted, so that the rated power of the X-ray tube and the output intensity and stability of X-rays are improved.

The invention relates to a gas inlet tube for introducing germanium into an LPCVD horizontal reactor, having a first open tube end, with at least three inlet openings in a side wall of the tube, each inlet opening having a different distance from the open tube end. The invention also relates to an LPCVD horizontal reactor with a long gas inlet tube and a short gas inlet tube.

The utility model provides a drainage bottle capable of adjusting negative pressure. The drainage bottle comprises a bottle body, a connector and a negative pressure adjusting device. The negative pressure adjusting device comprises an outer pipe, an inner pipe and a flexible film. The lower end of the outer tube is fixed on the bottle body, the flexible film is arranged in the middle of the outer tube, the inner tube is concentrically arranged in the center of the flexible film, and the inner tube is a tube body with an open upper end and a closed lower end; air holes are formed in the pipe wall of the inner pipe; a fixing plate is concentrically arranged on the inner wall of the lower section, a round hole is further formed in the fixing plate, a sealing ring is arranged on the inner ring wall of the fixing plate, the thickness of the sealing ring is larger than the diameter of the air hole, and when the air pressure of the bottle body ranges from 600 mmHg to 620 mmHg, the sealing ring blocks the air hole. Air pressure in the bottle body is automatically adjusted, the risk of bleeding of a patient caused by overlarge negative pressure and suction is prevented, safety of the device is improved, whether the negative pressure leaks or not can be found in time, suction is convenient, operation is easy, and the negative pressure in the bottle body is easy to control during suction.

The utility model discloses an open type flexible dust-free drag chain which comprises at least one open line cavity and at least one fixed line cavity, each open line cavity is provided with an open pipe cavity in the length direction of a line set, and the two sides of each open pipe cavity are provided with an open inserting part and an open bearing groove part in the length direction of the line set respectively. Each fixed line cavity is provided with a fixed pipe cavity along the length direction of the line group, and two sides of the fixed pipe cavity are respectively provided with a fixed insertion part and a fixed bearing groove part along the length direction of the line group; the opening inserting part and the fixed inserting part are the same in structure, the opening bearing groove part and the fixed bearing groove part are the same in structure, and the opening line cavity and the fixed line cavity are sequentially combined and spliced through the opening inserting part, the fixed inserting part, the opening bearing groove part and the fixed bearing groove part. The drag chain can be combined and spliced in sequence, so that the drag chain can be conveniently adapted to different numbers of cables; when the cable is provided with a joint, the cable does not need to be cut off, opened and put in, and then the buckle is closed.

This utility model relates to the field of blood collection tube cap removal technology, aiming to solve the technical problems of low efficiency, poor compatibility, and inability to open tubes in batches in existing automatic cap-opening devices. This utility model provides a blood collection tube cap removal machine, including a frame, a lifting rod, a fixed plate, multiple limiting components, multiple clamping components, and a tray. The fixed plate is connected to the top of the frame via the lifting rod. Multiple limiting components are spaced apart at one end of the fixed plate near the tray; the limiting components are rotatably connected to the fixed plate. Multiple clamping components are spaced apart at one end of the tray near the fixed plate; the limiting components and clamping components are arranged opposite to each other. The tray is connected to the bottom of the frame. The blood collection tube cap removal machine provided by this utility model can remove caps in batches simultaneously, and is simple, efficient, and economical to operate.

The invention provides full-automatic sample pretreatment equipment, which is applied to the technical field of medical instruments, and is characterized in that the full-automatic sample pretreatment equipment comprises a rack, and a sample loading mechanism for loading a sample tube is arranged on a sample loading station; a centrifugal machine for centrifuging a sample solution in the sample tube is arranged on the centrifugal station; the uncovering and code scanning station is provided with an uncovering and code scanning mechanism which is used for opening tube covers of the sample tubes and scanning codes of the sample tubes to check sample information; a transfer mechanism for caching and transferring sample tubes is arranged on the rack; a manipulator group for transferring the sample tubes among the sample feeding mechanism, the centrifugal machine, the uncovering and code scanning mechanism and the cache module is arranged on the rack; a conveying mechanism for conveying the test tube rack back and forth is arranged on the rack; the rack is provided with a discharging mechanical arm used for grabbing the sample tubes subjected to uncovering and code scanning and placing the sample tubes into the empty test tube racks. The full-automatic sample pretreatment device has the technical effects that full-automatic sample pretreatment is realized, and the working efficiency is improved.

A ski fastening device (10) comprising an open tube (11), wherein an arc (C) of a longitudinal open section of the open tube (11) comprises about 20-45% of the circumference of the open tube (11) and wherein a surface of the open tube (11) directed outwards includes a first fastening pin (13) and a second fastening pin (14), and wherein the first fastening pin (13) and the second fastening pin (14) are at a distance from each other, and wherein the second fastening pin (14) comprises an opening (15).