18results about How to "Open flexible" patented technology

The invention discloses a control valve and a packer, and belongs to the technical field of oilfield development, the control valve comprises a pipeline assembly and a control assembly, a moving channel is formed in the pipeline assembly, and a closing position and an opening position are arranged in the axial direction of the moving channel; the control assembly comprises a sliding sleeve and an elastic piece, the sliding sleeve is in sliding connection with the moving channel, the elastic piece is arranged between the sliding sleeve and the opening position, and when external pressure is larger than internal pressure of the moving channel, the sliding sleeve moves to the opening position in the axial direction of the moving channel under the action of pressure and compresses the elastic piece, so that the control valve is opened; when the external pressure is smaller than the internal pressure of the moving channel, the elastic piece recovers deformation and drives the sliding sleeve to move to the closing position in the axial direction of the moving channel, and therefore the control valve is closed. The packer is provided with the control valve. Through the synergistic effect of the sliding sleeve and the elastic piece, the control valve can be opened and closed repeatedly, the operation efficiency is improved, and the use cost is reduced.

A kind of circular cargo hatch cover assembly's set of devices, it includes base assembly, positioning insert, bolt connection seat positioning plate assembly, each positioning insert is arranged on base assembly, the center line of front, middle, rear positioning insert is located on the same straight line;Middle positioning insert two sides are equipped with the positioning slot of circular cargo hatch cover assembly's folding vertical plate and the pin shaft hole of connecting folding vertical plate;Bolt connection seat positioning plate assembly two ends are respectively with middle, rear positioning insert detachably fixed connection, bolt connection seat positioning plate assembly includes positioning plate and connecting seat, connecting seat is detachably arranged above positioning plate, positioning plate is provided with the clamping plate for the bolt mounting seat positioning of circular cargo hatch cover assembly.Using the set of devices can position each spare part of circular cargo hatch cover assembly, improve the assembly efficiency and assembly quality of circular cargo hatch cover assembly, ensure workpiece consistency, interchangeability is good, the circular cargo hatch cover assembly after assembly is opened flexible and good sealing.

The utility model discloses an insulating operating pole testing device, including the test frame, the upper end of test frame is provided with high pressure ring, be provided with low pressure ring on the test frame, be provided with the hooking subassembly on high pressure ring, the hooking subassembly includes a plurality of first fixed blocks, a plurality of first fixed blocks even fixed connection on high pressure ring, between adjacent two first fixed blocks all is provided with a hooking rod, the utility model discloses the high pressure ring on the test frame upper end configuration, and setting the wire and hooking subassembly on high pressure ring, has realized the effective connection of insulating operating pole and high voltage current. Simplified the high pressure test procedure of insulating operating pole, also greatly promoted the test efficiency. The hooking subassembly on high pressure ring is composed of a plurality of even distribution's first fixed blocks and hooking rod, and one end of hooking rod is rotatably connected to a fixed block, and the other end can be clamped to the adjacent fixed block, so that the hooking rod can be flexibly rotated outward and opened.

This utility model provides a hand-held landing net with a closable opening, relating to the field of landing net technology. The hand-held landing net includes: a handle assembly, a frame assembly joined to the handle assembly, a control assembly joined to the frame assembly, a first net body, and a second net body. The frame assembly is constructed as a frame structure. The first net body is joined to the frame assembly to form a net bag with the frame assembly as an opening. The control assembly includes a slidable slider joined to the frame assembly, and a first control member and a second control member for driving the slider to slide. The second net body is joined between the slider and the frame assembly, and one end is movable with the slider. The second control member is configured to drive the slider to move away from the second net body to close the opening through the second net body. The first control member is configured to drive the slider to move towards the second net body to open the opening. This solves the limitations of existing landing nets in catching prey.

The utility model discloses safety protection top automatic covering packaging machine protection device, including many folding boards, many the folding board between is connected through the link board, many the folding board both sides are equipped with fixed frame, install mechanism is installed on the fixed frame, the fixed frame is rotatably installed with screw rod, two the screw rod is connected through the rotating mechanism between, one of the fixed frame is equipped with the power mechanism with one screw rod connection, many the folding board both sides are equipped with two link frames, one the link frame is fixedly connected with the fixed frame. The utility model discloses many folding board design, replaced the traditional whole piece formula structure, cooperation link board connection and screw rod, movable frame etc. driving assembly, can realize automatic unfolding and folding, need not to dismantle and can open the packaging machine top space flexibly, convenient overhaul, maintenance and material processing, greatly promote the operation convenience, reduce the influence to production progress.

This invention relates to the field of agricultural machinery, and more specifically, to a self-propelled corn harvester, comprising a tracked trolley, a gantry frame mounted thereon, a clamping mechanism fixed to the gantry frame, and a harvesting roller. The clamping mechanism includes a main beam inclined downwards from the tail to the head and a separating assembly protruding from the gantry frame. The harvesting roller is connected to the tail of the main beam and forms a lateral compression space with the clamping mechanism. This invention addresses the technical problems of corn harvesters being unable to adapt to complex terrain, occupying too much space and lacking flexible turning, consuming too much energy during harvesting, causing significant damage to corn ears during harvesting, and resulting in poor corn ear quality. It enhances the automatic adaptability and operational stability in complex terrain; reduces the space occupied by the corn harvester, facilitating flexible turning; eliminates the need for additional power input during harvesting, reducing energy consumption during the harvesting process, making harvesting more labor-saving, and improving the quality of harvested corn ears.

This utility model provides a semiconductor dry film roll transition support device, relating to the field of film roll support technology. It includes a movable base and a support arm structure. The support arm structure has two arms respectively installed on both sides of the top of the movable base for supporting the semiconductor dry film roll. A support rod rotation groove is formed on the side of the support arm structure away from the movable base. Supporting rotating wheels are symmetrically arranged on the bottom surface of the inner side of the support rod rotation groove. A semi-circular arc-shaped clamping plate is provided above the two supporting rotating wheels. An adjusting component is connected to the semi-circular arc-shaped clamping plate, and the adjusting component is threaded to the top of the support arm structure and into the support rod rotation groove. This utility model supports the semiconductor dry film roll by setting two support arm structures. The supporting rotating wheels in the support rod rotation groove cooperate with the semi-circular arc-shaped clamping plate. The position of the semi-circular arc-shaped clamping plate is adjusted by the adjusting component, which can stably limit the support rod, prevent excessive swaying during roll rotation, improve production efficiency, ensure product quality, and reduce scrap rate.

The invention relates to the technical field of fire fighting equipment, in particular to a safety strengthening type partition valve box for an offshore booster station. Comprising a box; a pipeline and an electric control box are arranged in the box body; a manual ball valve, a maintenance ball valve, a pressure gauge and an electric ball valve are sequentially arranged on the pipeline; the manual ball valve, the maintenance ball valve, the pressure gauge and the electric ball valve are all communicated with the pipeline; the electric ball valve, the manual ball valve and the maintenance ball valve are all connected with the electric control box; a mechanical emergency operation device communicated with the pipeline is arranged on the pipeline; the pressure gauge is connected with the electric control box through a pressure switch; a water drain valve is arranged on the pipeline; one end of the water drain valve is communicated with the pipeline, and the other end extends out of the box body; the manual ball valve, the maintenance ball valve and the electric ball valve are all connected with the test device; the fault rate of the system can be reduced, the overall safety and reliability of the system are improved, and stable operation of the offshore booster station pipeline system and safety of personnel and equipment are ensured.

The utility model belongs to the technical field of support plate adsorption equipment, and particularly relates to a support plate vacuum adsorption platform which comprises a vacuum sealing plate, a sealing rubber ring and a vacuum adsorption table. The vacuum sealing plate comprises a sealing plate body, a first air suction area, a division bar and a second air suction area. The vacuum adsorption table comprises an adsorption table body, a first main air suction hole and a second main air suction hole. The first main air suction hole and the first air suction area form a first independent adsorption channel. And the second main air suction hole and the second air suction area form a second independent adsorption channel. According to the carrier plate vacuum adsorption platform provided by the invention, the adsorption force can uniformly act on the carrier plate through the first air suction holes, the second air suction holes and the upper air suction holes in the division bars; the first independent adsorption channel and the second independent adsorption channel can realize independent adsorption control on different areas; according to the size and the shape of the carrier plate, part of the adsorption channels can be flexibly selected to be opened or closed, and the applicability and the flexibility of the adsorption platform are improved.

The utility model relates to a novel chimney with a test opening. The novel chimney comprises a body, a screw head, a connector, a plug cap and a plate handle. The body is of a cylindrical hollow structure, and a through hole is formed in one side of the body. The screw head is of a cylindrical hollow structure with two open ends; one end of the screw head penetrates through the through hole and is vertically connected with the body; the connector is of a cylindrical hollow structure with two open ends. One end of the connector is connected to the end, opposite to the body, of the screw head. The plug cap is of a cylindrical hollow structure with one open end, and the open end of the plug cap is connected to the end, opposite to the end connected with the screw head, of the connector. The plate handle is arranged on the plug cap and is suitable for transmitting force to the plug cap, so that the plug cap is separated from the connector. According to the chimney with the test port, due to the material characteristics and the structural design, the test port can be easily opened by a single person without the help of extra tools, the problems that a traditional chimney with the test port is difficult to open and inconvenient to operate due to rusting are effectively solved, and the efficiency of detection work is greatly improved.

The utility model provides an anti-blocking device for shunt pipes of a dust remover, which relates to the technical field of waste incineration devices and comprises a plurality of shunt pipes communicated with a flue. A rectangular hole is formed in the middle of the flue, and a manhole door is hinged to the periphery of the rectangular hole of the flue; a vibrator is arranged on the outer wall of each flow dividing pipe and is used for enabling the flow dividing pipe to vibrate at high frequency; a rectifying plate is arranged at an inlet, close to the flue, of each shunting pipe; the periphery of the rectifying plate is attached to the inner wall of the flow dividing pipe, and a plurality of holes are evenly formed in the surface of the rectifying plate and used for stabilizing airflow in the flow dividing pipe. And the control assembly is in signal connection with the rapping machine. The technical problems of dust accumulation and incomplete cleaning in the prior art are solved, and the technical effects of efficient dust removal, blockage prevention and automatic control are achieved.

The utility model belongs to the technical field of window hinges, and particularly discloses a novel hinge which comprises a frame fixing seat and a supporting arm used for installing a window plate. One end of the first long rod is hinged to the first short rod, and the other end of the first long rod is hinged to the near-side frame end of the supporting arm; the second short rod is rotationally connected to the supporting arm; one end of the second long rod is hinged to the second short rod, and the other end of the second long rod is hinged to the near-side frame end of the frame fixing seat; the middle of the second long rod is rotationally connected with the middle of the first long rod. The novel hinge is simple in structure and flexible to open, a sliding structure does not need to be additionally arranged between the frame fixing base and the linkage assembly, cleaning is more convenient, when the window is closed by closing the hinge, the supporting arm and the frame fixing base can be automatically locked, and the wind pressure resisting effect is good.

The utility model relates to sensor technical field, and disclose a protective structure for array sensor, including bottom box, array sensor circuit board and top cover, the bottom box outer rim department fixed mounting has sealing assembly, the top cover is close to bottom box one end fixed mounting is connected with sealing assembly's connection frame no.

This invention relates to the field of conveyor technology and discloses a belt conveyor belt storage bin alignment device, including a mobile trolley. A first mobile support roller is mounted on the mobile trolley, and a first rotating shaft is fixedly connected to the inner surface of the first mobile support roller. A cleaning component is fixedly connected to one end of the first rotating shaft. The cleaning component is used for wind-powered cleaning of photoelectric sensors. The cleaning component includes a first gear, and a second gear is meshed with the side surface of the first gear. This invention allows for convenient cleaning of dust from the probe surface of the photoelectric sensor without manual operation. It also allows for easy opening and closing of the fan. Furthermore, while the adjusting component controls the fan to stop rotating, it simultaneously drives a protective baffle to move to one side of the fan for shielding, thereby preventing small particles scattered on the conveyor belt from directly impacting or entering the fan when the fan is not in use, thus protecting the fan.

This utility model relates to the field of check valve technology, specifically disclosing a double-plate fireproof check valve with good sealing effect. It includes a valve body, a flue clamp on the side of the valve body, an air inlet channel on the outward side of the valve body, an air inlet at the outward end of the air inlet channel, a partition plate in the middle of the air inlet dividing the air inlet into two parts, and two valve plates rotatably mounted on the inward side of the partition plate to seal the two parts of the air inlet respectively. A spring-loaded device is also provided on the inward side of the partition plate, with its two ends contacting the inward sides of the two valve plates respectively. A crossbeam is also provided at the air inlet, located on the outward side of the partition plate, with magnets on the inward side of the crossbeam corresponding to the two valve plates for adsorbing the valve plates. This utility model's double-plate structure, combined with the rubber sleeves on the valve plate edges, effectively seals the air inlet, reducing gas leakage. Simultaneously, the magnets on the crossbeam adsorb the valve plates, further enhancing the sealing performance.

The utility model discloses a double sealing surface gate valve relates to valve body technical field, the utility model discloses a pipe body and front mounting panel, one end of pipe body is with the lateral surface fixed connection of front mounting panel, the one end fixed connection of pipe body is away from the rear mounting panel of front mounting panel, and the circumference of pipe body is provided with adjusting device. The utility model discloses the mutual cooperation between the cylinder, cylinder cover and connecting column etc. components in adjusting device, has realized the flexible opening and closing of gate valve, and through the setting of buffer spring and buffer pad, effectively reduced the impact intensity of sealing gate in the opening and closing process, prolonged the service life of gate valve. In addition, the side section of sealing gate is set to semicircle, not only improves the sealing performance of gate valve, but also ensures that the fluid does not leak when the gate valve is closed, further enhances the applicability of the gate valve. Solve the problem of high -efficient sealing and buffer protection of double sealing surface gate valve in the related art.

The utility model provides an electric shock prevention structure of a power supply module, relates to the power supply module protection equipment field, and comprises a protection shell, the protection shell comprises a top cover, a bottom plate and a flip cover, one end of the top cover is provided with a groove, the bottom plate is arranged at the bottom of the top cover, the top of the bottom plate is fixedly connected with a power supply module body and a wiring terminal, and the flip cover is fixedly connected with the power supply module body. The wiring terminal is located at one end of the top of the bottom plate, and the input end of the wiring terminal is connected with the output end of the power supply module body; according to the utility model, the top cover, the bottom plate and the flip cover form the protective shell, the flip cover and the groove can provide protection for the wiring terminal, and the top cover and the bottom plate can provide protection for the power supply module body, so that people can be prevented from directly contacting the electrified wiring terminal and the power supply module body, the electric shock risk is effectively reduced, and the safety of a user is guaranteed; and the flip cover is movably connected with the inner wall of the groove through the damping rotating shaft and can be flexibly opened and closed during use, so that wiring operation is facilitated, and timely protection can be realized when the device is not used.