19results about How to "Increase displacement" patented technology

This application relates to a roof drainage device, comprising a mounting frame, a filter screen, a drain pipe, and a cutting assembly. The drain pipe is vertically arranged and penetrates the roof. The mounting frame is disposed at the inlet of the drain pipe. The filter screen is disposed on the mounting frame and has several elongated filter holes. The cutting assembly includes two cutting blades and a driving unit. The two cutting blades are respectively located on both sides of the filter screen and are slidably connected to the mounting frame. The driving unit is used to bring the two cutting blades closer together and through the filter holes. This application has the effect of improving roof drainage efficiency.

The utility model provides a bridge drainage line structure belongs to bridge drainage technical field. Including bridge body, the surface one side of bridge body is equipped with the water outlet, and the inboard and below of water outlet are installed with drainage stability mechanism, the drainage stability mechanism includes the water collector pipe end and the pipe clamp frame, and the upper end inboard of water collector pipe end is fixed with the embedded block. The utility model discloses through setting up drainage stability mechanism, and the both ends of water collector pipe end form integral fixed connection between water outlet and first drain pipe respectively, and the three are a whole, when water is discharged from the highest point to the downward, just can not infiltrate to the structural layer of bridge itself, and under the fixed flow guide condition of having first drain pipe, can not appear the phenomenon of leakage and splashing in the drainage process, wherein the first drain pipe and second drain pipe junction install sealing assembly and installation assembly, and the first sealing pad is embedded in the inside of the blocking frame of its connection and is installed in the middle part of the carrying frame, and the second sealing pad is fixed in the end of first drain pipe.

The utility model relates to the technical field of biomass energy comprehensive application, and discloses a blade crushing and screening device which comprises a shell, a cutterhead assembly and a conveying assembly. The axis of the shell extends in the first direction, and the cutterhead assembly comprises a cutterhead shaft, an angle adjusting mechanism and blades. The cutterhead shaft is arranged in the shell and is collinear with the axis of the shell, a through hole penetrating in the first direction is formed in the center of the cutterhead shaft, the through hole is used for allowing a driving part driving the cutterhead shaft to rotate around the axis of the cutterhead shaft to penetrate through, and a sealing interlayer is formed between the cutterhead shaft and the driving part; the blade is arranged on the peripheral wall of the cutter head shaft, and the angle adjusting mechanism is arranged in the sealing interlayer and is correspondingly connected with the blade so as to control the blade to rotate around the axis of the blade; the conveying assembly is connected with the angle adjusting mechanism and used for providing driving force for the angle adjusting mechanism. The angles of the blades and the cutting gaps between the adjacent blades can be adjusted in real time through the angle adjusting mechanism, and real-time dynamic control over the ventilation resistance and the material powder fineness in the shell is achieved.

The utility model belongs to the technical field of kitchen ware, and particularly relates to a stable and anti-slip cutting aid capable of being operated by one hand, which is characterized in that a cutting aid mechanism is mounted at the top end of an operating table, and a mounting plate is fixedly connected to the back of the operating table; a mounting groove is formed in one side wall of the mounting plate, the two-way threaded rod is arranged in an inner cavity of the mounting groove, the two ends of the two-way threaded rod are in threaded connection with connecting plates correspondingly, and a clamping plate is arranged on one side of each connecting plate. According to the cutting assisting device, after the cutting assisting device is placed on a cutting board, the two connecting plates can move relatively by rotating the two-way threaded rod, so that the two clamping plates move relatively until the two clamping plates are attached to the two side walls of the cutting board, clamping of the cutting board is achieved, and then the stability of the cutting assisting device in the using process is guaranteed.

The invention belongs to the field of oil and gas exploitation, and discloses an annulus pressure-bearing tool and method for high-pressure-grade reverse circulation drilling and workover treatment, and the annulus pressure-bearing tool comprises a sealing assembly, a rotating assembly, a connecting piece and a fastening device; a traditional static sealing mode is changed into a mode that the sealing assembly and the rotating assembly are limited on the kelly bar body and move up and down along with the kelly bar, a kelly bar connector does not need to pass through the position of the sealing assembly all the time, abrasion of a sealing rubber core is reduced, the problem that the sealing rubber core is frequently damaged, punctured and leaked can be solved, and the service life of the sealing rubber core is prolonged. The active sealing mode can actively adjust the excitation pressure according to the sealing working pressure requirement and can supplement the pressure at any time, so that the sealing is more reliable; due to the arrangement of the rotating assembly, the pressure bearing capacity of the tool is further improved, the reliable annular dynamic sealing capacity under the higher pressure during reverse circulation drilling and grinding is guaranteed, the higher upward return flow speed of drilling and workover fluid in a drilling tool water hole and the higher drilling cutting carrying efficiency are provided, and the drilling and grinding time efficiency is improved.

The utility model belongs to the technical field of waterproof thermal insulation material processing, and particularly relates to a laser cutting device for waterproof thermal insulation material processing, which comprises an adjusting mechanism, and a cutting component is slidably connected to a track on the outer side of the adjusting mechanism. In the laser cutting process of the waterproof heat preservation material, when the waterproof heat preservation material is fixed, the waterproof heat preservation material is mostly of a low-density porous structure, a conventional clamp is prone to causing surface pressure loss or displacement, cutting precision deviation is caused, and an adsorption mechanism below an installation workbench is connected with a vacuum pump through an electromagnetic valve set. The adsorption pipeline generates adsorption force to the array type vacuum adsorption holes, meanwhile, the liftable rubber pressing strip arranged on the edge of the workbench is driven by the telescopic air cylinder and matched with the adsorption mechanism to achieve material edge fixing, vacuum adsorption and elastic edge pressing combined tool, the problem that low-density materials are prone to displacement is solved, and the positioning precision is improved.

The application provides a photonic spin Hall effect regulation method based on a polar medium core-shell structure, comprising the following steps: constructing a nanoparticle model based on core parameters of a spherical core-shell structure of a silicon dielectric core-silicon carbide polar medium shell; constructing an optical scattering transfer function based on the core parameters and the Mie theory; calculating photonic spin Hall displacement amplitudes of a short-wave side region and a long-wave side region of a full anti-band of a silicon carbide material in a mid-infrared region based on the optical scattering transfer function; regulating the photonic spin Hall displacement amplitudes and the center positions of the short-wave side region and the long-wave side region by adjusting a core-shell ratio; and converting the spherical core-shell structure into an ellipsoidal core-shell structure by adjusting the morphology of the core-shell structure, so as to enhance the photonic spin Hall displacement amplitude and the scattering intensity of the short-wave side region. The application can solve the problems that the photonic spin Hall displacement is difficult to appear in the mid-infrared waveband, the scattering intensity is low, the adjustability is poor, and the application is difficult to be large-scale.

The utility model relates to pile foundation drilling technical field discloses a pile foundation drilling device for hydraulic engineering, including drill head and control room, the drill head top rotatory connection has the drill rod, the drill rod one side is provided with the track, control room one side fixedly connected with the engine, the engine bottom rotatory connection has the track -laying, the track -laying both sides rotatory connection has a plurality of telescopic legs, telescopic leg bottom is provided with fixed assembly, the fixed assembly includes the foot, the foot is located telescopic leg bottom, the foot top rotatory connection has the universal shaft, the universal shaft outer wall rotatory connection has the upper bar, the upper bar top is provided with the lifting assembly. In the utility model, through the electric box drive screw rod rotation makes the foot and ground contact, the universal shaft makes the foot adapt to the ground of different angles, reaches the purpose of fixed equipment, makes equipment can adapt to different topography, solved the problem that equipment is easy to shift or dump under the complex topography.

The invention provides a large slip form construction platform lifting monitoring method and a lifting device, and belongs to the technical field of building construction. According to the technical scheme, the large slip form construction platform lifting monitoring method is characterized in that an electric servo jack, a slip form lifting main controller and a distributed unit controller are arranged on a slip form construction platform, and synchronous lifting of the slip form construction platform is achieved in combination with a supporting rod, a tilt angle sensor and a vertical height monitoring sensor. In the lifting process, lifting displacement and lifting force are collected, displacement and stress closed-loop control is carried out, and meanwhile, whether the next stage of lifting construction is started or not is judged by combining posture monitoring, synchronous deviation correction and concrete strength monitoring data. The system has the beneficial effects that the electric servo jack, the slip form lifting main controller, the distributed unit controller and the like are arranged on the slip form construction platform, so that synchronous control, stress balance monitoring, posture monitoring and real-time deviation correction early warning in the lifting process of the slip form construction platform are achieved.

The utility model provides a drainage support, and relates to the field of medical instruments. The drainage support comprises a tubular support and a limiting assembly. The limiting assembly comprises at least two limiting protrusions, and the multiple limiting protrusions are arranged in the circumferential direction of the tubular support at intervals. Each limiting protrusion is connected with the outer wall of the tubular support and forms an included angle with the axis of the tubular support. The inclination directions of the multiple limiting protrusions are the same. According to the drainage support, the technical problem that in the prior art, a plastic support is prone to displacement is solved.

The invention discloses a steel structure plate butt welding device and a working method thereof. The steel structure plate butt welding device comprises a bottom plate, a top plate and lateral supports on the two sides. A clamping assembly used for clamping a steel structure plate is arranged on the lateral support, the welding assembly comprises a welding gun, a motor, a third lead screw, a sliding block and an electric push rod, and front-back movement and height adjustment of the welding gun are achieved; the driving assembly comprises a gear, a rotating rod, a rotating disc and a rack, and vertical displacement of the clamping assembly is achieved through gear and rack transmission. A positioning device is further arranged on the rack, comprises a second lead screw and an internal thread knob and is used for finely adjusting and locking the position of the clamping assembly. Coarse adjustment is achieved through the driving assembly, fine adjustment is achieved through the positioning device, the tops of the two plates with different thicknesses are adjusted to the same horizontal plane, it is ensured that welding faces are aligned, the problems that in the prior art, the welding faces are uneven and the welding seam quality is poor due to the plate thickness difference are solved, and the beneficial effects of being convenient and fast to operate, high in welding precision and high in adaptability are achieved.

The utility model relates to a decoration panel friction detection jig which comprises a material placing table, a moving rod, a material grinding assembly and a material clamping assembly, and the material grinding assembly is connected with the moving rod; the material grinding assembly comprises a connecting frame, a connecting plate, a material grinding rod, a material grinding head and a weight increasing ring. The material clamping assembly comprises a pressing plate, a material pressing rod, a balance rod and a first fastener. The material clamping device has the advantages that the fastening holes in different positions are selected to position the material clamping assembly, the material clamping requirements of panels of different sizes and shapes are met, and especially for special-shaped panels, the position of the material clamping assembly can be flexibly changed; the weight increasing rings are added or reduced on the bearing plate to quickly adjust the pressure of the grinding head on the panel so as to adapt to friction force tests of different degrees on the panel; and by arranging the material pressing rod and the balance rod, the positioning capacity of the panel is further enhanced, and the problem that the panel is prone to displacement during friction due to the fact that one end of the pressing plate is suspended is solved.

This invention discloses a surface-based fluid preparation device for profile control on small offshore platforms, comprising a storage and distribution system, a forced stretching system, a powerful dispersion system, a crosslinking agent mixing system, a conveying system, and an automatic control system. By integrating the online preparation process without a curing tank with the crosslinking mixing system, and through an integrated design of the preparation room and automatic control room, it eliminates the need for large-capacity curing tanks, separate crosslinking agent mixing skids, and separate automatic control rooms found in traditional devices, significantly reducing the device's footprint and operating weight. Through structural optimization of the forced stretching system and powerful dispersion system, the polymer concentration can be prepared up to 10,000 ppm, with a total processing capacity of up to 80 cubic meters per hour. Combined with multiple independently controlled crosslinking agent pumps, it can meet the needs of simultaneous profile control operations across multiple wells. This device can also be equipped with a nitrogen sealing system to reduce oxidative degradation of the profile control system and an automatic cleaning system for self-cleaning filters, making it particularly suitable for profile control operations on small offshore platforms.

The double-sided multi-layer PCB electroplating equipment comprises two side strip frames which are parallel to each other, and further comprises a plurality of electrolytic bath structures and a plurality of non-electrified liquid tanks, the angle of the PCB can be changed through the air cylinder, when the PCB is lifted to leave liquid, the PCB is inclined, so that the liquid starts to flow down from one corner, then the PCB is changed into a vertical state, the amount of the liquid stained on the surface of the PCB is reduced, the liquid can be emptied more orderly through the path, on the basis, the two sides of the PCB can be shielded by the fixed flow guide baffle and the movable flow guide baffle, and under the action of gravity, the PCB can be separated from the liquid. Liquid flows downwards, the downward flowing path of the liquid is optimized by changing the inclined mode into the vertical mode, and due to the fact that the liquid can be preferentially attached to the continuous solid surface which is firstly in contact with the liquid and reaches the surfaces of the adjacent fixed flow guide baffle and the movable flow guide baffle under the capillary action, the flowing displacement of the liquid on the PCB is improved, and the flowing speed of the PCB is increased. Therefore, the influence of the downward flowing liquid on the surface of the PCB is relieved, and the electroplating uniformity is improved.

The throttling valve comprises a valve body, a valve needle, a valve element and a driving mechanism, the valve needle and the valve element are sequentially arranged in an inner cavity of the valve body, the valve body comprises an inner cylinder and an outer cylinder which are coaxially arranged, the valve body is in threaded connection with a drill rod, and the inner cavity of the valve body is communicated with an inner cavity of the drill rod; the valve needle is fixedly arranged on the upper portion of an inner cavity of the valve body. The valve element is located below the valve needle and can move up and down in an inner cavity of the valve body, and the valve element, the valve needle and the valve body are coaxial. The driving mechanism is located between the inner cylinder and the outer cylinder and used for driving the valve element to move up and down. According to the throttling valve for inclinometry of the MWD instrument, the valve element moves in the inner cavity of the valve body, the distance between the valve element and the valve needle is adjusted, and therefore the flow of drilling fluid is adjusted, the purposes of adjusting the pressure drop of a drill bit and improving the displacement are achieved, and the situation that no pump pressure exists after well leakage is returned is achieved.

The utility model discloses a gastrointestinal fluid drainage device, which relates to the technical field of medical instruments and is characterized by comprising a drainage tube and a spiral flow deflector fixedly mounted in the drainage tube, an anti-displacement mechanism is arranged on the outer side of the drainage tube, and an anti-suck-back mechanism is arranged at the fluid outlet end of the drainage tube. A gastrointestinal fluid collecting device is arranged at a fluid outlet of the suck-back preventing mechanism, the shifting preventing mechanism comprises an elastic assembly and an inflation assembly, the elastic assembly comprises a basic ring fixedly installed at the fluid inlet end of the drainage tube, and a film cylinder is fixedly installed at one end of the basic ring; the device has the technical effects that the problems that the drainage tube is easy to displace and the drainage liquid is blocked are effectively solved by utilizing the anti-displacement mechanism, the spiral flow deflector and the smooth polytetrafluoroethylene drainage tube as well as the anti-suck-back mechanism and the gastrointestinal fluid collecting device, meanwhile, the drainage efficiency and safety are improved, the continuity and stability of the drainage process are ensured, and the drainage effect is good. And a more reliable and effective auxiliary means is provided for treatment and rehabilitation of the patient.

This utility model discloses a PTC heating component and a PTC heating pack. Only two opposing pressure strips are added on opposite sides of the electrode sheet in the circumferential direction, which can be formed by punching the electrode sheet. This does not increase the processing steps of the electrode sheet or lead to increased costs. During assembly, the two electrode sheets are placed on opposite sides of the ceramic sheet in the thickness direction. After filling the space between the electrode sheet and the ceramic sheet with electrode adhesive, the pressure strips are riveted so that the free ends of the pressure strips are bent towards the direction of the ceramic sheet. The side of the pressure strip facing the inside of the encapsulation frame abuts against the outer side of the encapsulation frame in the length direction, thus clamping and fixing the electrode sheet to the encapsulation frame. This avoids the electrode sheet shifting or falling off during the transfer and insertion of the assembled encapsulation frame, ceramic sheet, and electrode sheet into the heating pack housing for heating and curing. It effectively solves the problem of electrode sheet easy shifting before heating and curing, which helps to reduce the processing difficulty of the PTC heating component and improve product quality.

The utility model discloses a candy machine of rotating out sugar relates to candy machine technical field's, including base, the one side of base is provided with candy outlet, the inside joint of base has the baffle, the top of baffle is provided with the sugar hole, the top joint of base has the bottle support, the inside screw of bottle support has the sugar particle package bottle, the outside fixed connection of bottle support has the positioning bin, the outside of positioning bin is provided with the arc slot, the top fixed connection of baffle has the hook, the top fixed connection of baffle has the positioning stake, this candy machine of rotating out sugar, the structure design is reasonable, can be convenient for the sugar outlet in the meantime, through the spring in the sugar outlet mechanism makes the fast reset of the rotary knob of completing the sugar work, makes the rotary knob to the sugar hole and carries out the shelter, can quickly conveniently with multiple candy machines intercalate and assemble each other, makes multiple candy machines intercalate and assemble each other and improve the stability.