22results about How to "Reduce thrust" patented technology

The invention discloses a hot water circulating pump with couplings, and relates to the field of centrifugal pumps, the hot water circulating pump comprises a base, the top surface of the base is fixedly connected with a base plate, a protective cover, a first support and a pump body, and the end face of the pump body is provided with a machine seal gland. Therefore, maintenance cost is reduced, potential safety hazards are reduced, the coaxiality calibration process is simplified, repeated measurement and adjustment of the position of the motor are not needed, time and labor are saved, coaxiality can be guaranteed, overload protection can be achieved, overload burning of the motor can be avoided, safety accidents are reduced, the operation safety of the whole hot water circulation system is improved, and the service life of the hot water circulation system is prolonged. And overload protection can be adaptively changed according to the size of the motor, so that coaxiality calibration and overload protection adjustment are synchronously carried out, secondary measurement and adjustment are not needed, and the automation degree of the device is improved while time and labor are saved.

The utility model relates to a cutting machine for building material detection, which comprises a cutting knife, a servo machine, a mounting frame, an adjusting assembly, an auxiliary roller and a limiting assembly, and is characterized in that an electric hydraulic rod is telescopically deformed by personnel according to the thickness of a building material through an arranged limiting adjusting structure to drive a resisting structure to move left and right; and the rolling balls are arranged on the side end faces, making contact with the building materials, of the vertical plates, so that the pushing force of personnel can be reduced when the personnel push the building materials to move along the material pushing openings in the cutting operation process of the personnel.

A two-way self-adaptive throttle valve at least comprises two three-way structures and two one-way self-adaptive throttle valve bodies or valve elements, and the two one-way self-adaptive throttle valve bodies or valve elements are fixedly connected in parallel in the reverse direction through the two three-way structures to form an integral structure with two connectors. The one-way self-adaption throttling valve or valve element at least comprises a valve body, a valve seat, a valve needle, a valve needle spring, an adjusting spring and a limiting block, the valve seat and the limiting block are arranged in the valve body, the valve needle spring, the valve needle, the adjusting spring and the like are sequentially arranged in the valve body between the valve seat and the limiting block, the valve needle spring is arranged on the outer side of the front section of the valve needle in a sleeving mode, and the limiting block is arranged in the valve body. The adjusting spring is arranged between the valve needle and the adjusting limiting block, and the valve needle can axially move in the valve body under the action of force to close or open the valve port. According to the utility model, the variable-flow two-way throttling can be realized, the damping effect of the valve needle spring and the adjusting spring is realized, the valve needle is small in vibration and high in reliability, and the control problem of the throttling mechanism can be simplified and automated.

The utility model discloses a brewing funnel and a coffee machine. The brewing funnel comprises a funnel body and a filter screen assembly connected in the funnel body in a floatable mode. The part, arranged in the funnel body, of the filter screen assembly is matched with the inner wall of the funnel body to form a containing cavity used for containing coffee powder. The end, away from the containing cavity, of the filter screen assembly partially extends out of the funnel body, and after the part, extending out of the funnel body, of the filter screen assembly is subjected to acting force facing the containing cavity, the part can apply acting force to coffee powder so that the coffee powder can be separated from the containing cavity. Through the design of the floatable filter screen assembly, coffee powder can be actively pushed to be separated from the containing cavity, and the problem that the coffee powder in a traditional funnel adheres to a filter screen is solved; after use, the residual coffee powder can be easily removed only by pressing the filter screen assembly, the residual powder does not need to be manually dug, and the cleaning time and workload are greatly reduced; design is ingenious, the structure is relatively simple, and manufacturing and maintenance are easy; a user can clean the coffee powder only through simple pressing, and operation is simple and visual.

The invention provides an adjusting device, method, system and equipment for adjusting states of three red lines of an engine, and relates to the field of airworthiness verification tests of the engine, the adjusting device comprises a swirler, the swirler is arranged in an air inlet channel of the engine, and the swirler is arranged perpendicular to the axis of the engine. The swirler comprises a swirl guide vane which can rotate in the radial direction of the engine, so that the pre-swirl angle of the swirler is adjustable. According to the invention, the thrust of the engine is effectively reduced by controlling the rotation of the rotational flow guide vane, adjusting the pre-rotation angle of the swirler and reducing the flow of the outer culvert airflow of the engine, so that the engine is prevented from generating excessive thrust, and the thrust of the engine does not exceed the red line state too much when the rotating speed of the rotor reaches the red line state; the strength and the service life of key components such as an engine fan, a gas compressor and a turbine are ensured.

The invention belongs to the technical field of optical imaging equipment, and particularly relates to a lens driving device which comprises a base, a support, a frame and a carrier. A first direction coil and a second direction coil are respectively arranged on the base; the frame is arranged on the support, a first-direction magnet is arranged on one side of the bottom end of the frame, and after the first-direction coil is powered on, the frame and the carrier can move in the first direction relative to the support; the support is arranged on the base, a second-direction magnet is arranged on one side of the bottom end of the support, and after the second-direction coil is powered on, the support, the frame and the carrier can move in the second direction relative to the base. According to the invention, the power supply of the OIS coil is directly supplied by the built-in circuit of the base, the power supply wiring difficulty is reduced, and when the carrier moves in the first direction, the thrust of the OIS anti-shake action required by the carrier is smaller, so that the installation size of the magnet can be obviously reduced or the thrust of the OIS anti-shake action can be increased, and the lens can realize a larger-angle anti-shake effect in the first direction.

Provided is an integrated and compact fluid control valve that corresponds to different fluid pressures, controls fluid at high speed with high accuracy in the case of low-pressure fluid flow, also exhibits high sealing force at the time of valve closure in the case of high-pressure fluid flow to reliably prevent leakage, can suppress a decrease in sealing performance to improve durability, and at the same time, can suppress the consumption of compressed air for driving while flowing fluid with a stable Cv value to prevent changes in flow rate. The divided pistons (23) are arranged in series with respect to the valve seat (13) in a resilient state by a plurality of spring members (24) that differ in spring load, an air supply port (25) is formed in the actuator (11), each piston is independently raised and lowered in the actuator with a predetermined stroke (Y1, Y2) by the compressed air from each air supply port or the resilient force of each spring member, and the valve body can be provided to seal the flow path with different sealing forces corresponding to the lowered state of each piston.

The utility model discloses a window body connecting structure and a curtain wall horizontal sliding window, relates to the technical field of doors and windows, and adopts the technical scheme that the window body connecting structure comprises a first connecting component and a second connecting component, a middle component is arranged between the first connecting component and the second connecting component, the middle component comprises a limiting rod group, and the limiting rod group is a foldable or extendable rod body combination; and the limiting rod group can enable the first connecting main body and the second connecting main body to be close to or far away from each other in a parallel posture. The window body connecting structure has the beneficial effects that the window body connecting structure in the scheme enhances the connecting stability while ensuring the connecting flexibility, and avoids the problem of unstable swinging caused by the dead weight of the window sash and the high-rise wind pressure. Long-term stable and reliable operation of the curtain wall horizontal sliding window is guaranteed, the service life of the window body connecting structure is prolonged, the maintenance cost and the use risk are reduced, and the curtain wall horizontal sliding window connecting structure has high popularization value and economic benefits in practical application.

The application discloses a filtering device for industrial wastewater discharge, which comprises a sewage channel, an intercepting mechanism for removing large-particle suspended matters is arranged in the sewage channel, supporting mechanisms for preventing the intercepting mechanism from falling back are arranged on both sides of the intercepting mechanism, and unlocking mechanisms matched with the supporting mechanisms are arranged on the side surfaces of the supporting mechanisms; the filtering device has the advantages that the structure is simple, the design is reasonable, suspended matters can be naturally captured and guided upward through the arrangement of the intercepting body, the suspended matters can be caused to be lifted up at the free end after being accumulated to a certain degree under the cooperation of the supporting mechanisms, and the suspended matters are convenient to remove, the self-locking of the connecting rod is ensured through the arrangement of the blocking plate, the limiting plate and the spring, the intercepting body is prevented from falling off, the mechanism is simplified through the arrangement of the movable cavity groove, the space in the sewage channel is saved, and in addition, the combination of the main pull rope and the auxiliary pull rope realizes the quick unlocking function, and the cleaning work after interception is facilitated.

This invention belongs to the field of optical imaging equipment technology, specifically relating to a lens driving device, including a base, a frame, a carrier, and a circuit board. An AF position sensor is disposed on the outer wall of the frame and cooperates with an AF magnet disposed on the base to monitor the movement position in a third direction. The circuit board is disposed on the frame and located below the carrier. Two OIS position sensors are disposed on the circuit board and cooperate with two OIS magnets disposed on the carrier to monitor the movement position in a first direction and a second direction, respectively. An elastic connection portion is disposed on one side of the circuit board. One end of the elastic connection portion is connected to the base and electrically connected to the base's internal wiring or an external circuit. The monitoring signals from the two OIS position sensors and the AF position sensor are all output through the elastic connection portion. In this invention, the monitoring signals from all three position sensors are output through the elastic connection portion of the circuit board, facilitating position monitoring.

The invention discloses an anti-scour turbulent flow mechanism for a bridge pier, and relates to the technical field of bridge pier protection, the anti-scour turbulent flow mechanism comprises a turbulent flow assembly, the turbulent flow assembly comprises a turbulent flow cover arranged on one side of the bridge pier, a base plate is fixed on one side of the turbulent flow cover, a flow guide plate is fixed on the top of the base plate, and a ground cone is fixed on the bottom of the turbulent flow cover; and the downward pressing assembly is arranged on one side of the bridge pier and comprises a connecting piece arranged on the bridge pier. The device has the beneficial effects that through cooperation of the turbulent flow assembly and the downward pressing assembly, the turbulent flow cover and the base plate are attached to a riverbed to achieve foundation turbulent flow anti-scouring, the guide plate guides water flow to the two sides of the pier to reduce direct scouring, meanwhile, a sleeve can be pushed through an adjusting rod, a driving gear and other structures of the downward pressing piece, and the turbulent flow cover is driven to move downwards; the problem that the lower portion of the turbulent flow cover is emptied after a riverbed is scoured is effectively solved, the turbulent flow cover is tightly attached to the riverbed all the time, the situation that riverbed soil loss is accelerated after the turbulent flow cover is suspended is avoided, and the anti-scour effect of the bottom of the pier is greatly improved.

The utility model discloses reinforcing steel bar strength detection equipment, which relates to the technical field of strength detection and comprises a supporting base, two groups of positioning mechanisms are arranged at the top end of the supporting base, each positioning mechanism comprises a connecting frame, a lower clamping block and an upper clamping block, and an adjusting block is arranged in the supporting base. The reinforcing steel bar strength detection equipment comprises a supporting base, a detection mechanism is arranged in the middle of the supporting base, the detection mechanism comprises a pressure sensor and an adjusting roller, a fixing frame is fixedly connected to the surface of the pressure sensor, and a supporting roller is rotatably connected to the interior of the fixing frame. Corresponding clamping blocks can be replaced according to different diameters of reinforcing steel bars, the connecting frame is connected and positioned through the adjusting block, displacement generated by deformation of the reinforcing steel bars is offset through movement of the adjusting block, pressure borne by the fixing frame is detected through the pressure sensor, and the accuracy of strength detection of the reinforcing steel bars is improved.

The application relates to the technical field of battery material processing, and discloses a lithium battery negative electrode material processing equipment, which comprises a supporting table, four fixed rods one are fixedly connected to the top of the supporting table, a hydraulic cylinder is arranged at the top of the supporting table, the top of the four fixed rods one is fixedly connected with the bottom of the hydraulic cylinder, an electric telescopic rod is started to extend, a connecting rod and an extrusion ring are pushed to ascend, gas in an extrusion ring-shaped groove is extruded, meanwhile, the extrusion ring drives a fixing frame to ascend, pushes a gas injection assembly to move, the left side of a gas blocking rod is separated from a gas outlet groove, at this time, high-pressure gas in the ring-shaped groove is sprayed around the graphite block, the adhesion between the graphite block and a forming hole is reduced, the graphite block and the inner wall of the forming hole are separated, the pushing force during demolding of the graphite block is reduced, the graphite block is effectively prevented from being caused to have microcracks due to excessive pushing force during demolding, the cracks caused by high temperature during graphitization are avoided from being increased, and the integrity of the graphite block during graphitization is ensured.

This utility model discloses a shampoo container labeling device, including a support base and a worktable set on the top of the support base. The top of the worktable has a pre-set groove, and rollers are rotatably connected to the left and right sides of the inner cavity of the groove. A conveyor belt is driven between the two rollers, and a limiting mechanism is provided on the top of the conveyor belt. In use, this utility model can switch according to the different sizes of shampoo containers by setting different sizes of arc-shaped slots on the extrusion block. During labeling, the cylinders on both sides are activated simultaneously to push the two L-shaped plates to move relative to each other, so that the front extrusion block presses the label on the label tape onto the surface of the shampoo container, and the labeling quality is improved under the horizontal support of the rear extrusion block. Thus, it can not only realize the labeling operation of shampoo containers of different sizes, but also improve the labeling quality.

This invention discloses a device for removing excess material and flash from friction-welded intermediate parts, comprising: a machine body, including a first part and a second part for supporting and fixing both ends of a steel rail, with a guide rail fixedly disposed between the first part and the second part; a cutting assembly, fixedly disposed on the end of the guide rail facing the first part of the machine body, for cutting the excess material and flash of the intermediate parts after welding of a third friction body; and a pushing assembly, movably disposed on the end of the guide rail facing the second part of the machine body, for pushing away the excess material and flash of the intermediate parts after welding of a third friction body. This invention can automatically remove excess material and flash from friction-welded intermediate parts in one operation, improving the production process of third-body friction welding and increasing production efficiency. Simultaneously, by combining cutting and segmented pushing, the pushing force required for removing excess material and flash from low-temperature, large-section intermediate parts is reduced, effectively lowering the equipment tonnage.

This invention discloses an adaptive continuous mixing device for cementing mud, relating to the field of cementing equipment technology. It includes a mixing tank and a mixer. The mixing tank has a mud outlet, and a vertical mixing shaft assembly is installed inside the tank. The mixing shaft assembly is hollow, with its lower end sealed and its upper end open. The mixing shaft assembly is equipped with adaptive blades and lower-level blades that automatically adjust their diameter according to the mixing flow rate. A mud passage hole is provided at the connection between the adaptive blades and the mixing shaft assembly. The mixing shaft assembly is connected to a motor via a transmission component. The upper end of the mixing shaft assembly is connected to the lower outlet of the mixer. The mixer is equipped with an ash inlet pipe and a water inlet pipe. In this invention, the adaptive blades can automatically adjust their diameter according to the mixing flow rate. With a fixed motor speed, it has a wide range of applications and low energy consumption.

The utility model relates to a plunger cylinder technical field, especially a compact plunger cylinder of back and forth action, including cylinder body, plunger rod and guide sleeve, the head end of cylinder body is covered in guide sleeve, plunger rod is located in the cylinder body, and plunger rod stretches out from the guide hole of guide sleeve, its characterized by: still including piston rod, the tail end of plunger rod in cylinder body has piston hole, and the piston end of piston rod inserts piston hole, and the inner chamber of piston hole is divided into rod cavity and rodless cavity by the piston of piston end, and the opening of piston hole is covered with cylinder cover, and one piston oil cylinder is formed on plunger rod, and the rod end of piston rod is connected with the bottom end of cylinder body. The utility model has the beneficial effects that: through inlaying piston oil cylinder in plunger cylinder, the self-limiting and back and forth action of plunger cylinder are realized while not increasing the volume of plunger rod, and moreover, plunger cylinder and piston oil cylinder can work simultaneously, and plunger cylinder will not cause the decrease of thrust because of inner chamber piston oil cylinder.

The utility model discloses a mining rail type car arrester, and relates to the technical field of mining equipment. A supporting bottom plate is installed on the side portion of the track through a fastener, a supporting side plate is installed on the side portion perpendicular to the supporting bottom plate, a main shaft is movably connected to the supporting side plate in an inserted mode, one end of the main shaft is movably sleeved with a crank and then provided with a limiting ring, and the other end of the main shaft is provided with an anti-disengaging component. A car covering block is arranged on the side, close to the anti-falling component, of the crank, and sliding grooves matched with the top of the track are formed in the bottoms of the crank and the car covering block. According to the utility model, the buffer spring is movably sleeved at one end of the main shaft, which is provided with the anti-falling part, so that the buffer spring can effectively absorb the impact force when the mine car wheel collides with the car covering block.

This invention relates to the field of large bulk material handling machinery, specifically to a device and method for correcting the deviation of a movable beam in a bucket wheel excavator. The device comprises a movable beam, a trolley, a traveling wheel frame with electromagnets, a magnetorheological elastomer pad, a main drive hydraulic cylinder, cross-connected antagonistic hydraulic cylinders, and a controller. The system calculates the resistance-thrust-stiffness mismatch index through the controller. When the index exceeds a threshold, the electromagnets are triggered to generate an upward suction force to reduce the contact normal pressure on the traveling wheels, and simultaneously reduce the elastic modulus of the pad to release lateral restraint. Its core principle is to utilize electromagnetic attraction and a variable stiffness pad to synergistically reduce drag, which, in conjunction with the main drive hydraulic cylinder, pushes the movable beam for lateral repositioning. This invention abandons the traditional rigid lateral pushing method under heavy loads, significantly reducing the thrust required for lateral repositioning, effectively solving the problems of easy stick-slip jumping and stress concentration, and achieving smooth deviation correction.

The present application discloses a converter slag blocking device, in which a raised platform and a butt joint platform are arranged in the brick arrangement, and the bowl brick is cancelled, the service life of the brick arrangement and the taphole is improved, the original brick arrangement and the easy brick arrangement are arranged, the precision of the brick arrangement installation is improved, the brick arrangement pressing plate is a flat plate type and is provided with a stepped lifting hole and a lifting hook in the lifting hole, the bending deformation of the brick arrangement pressing plate is reduced, the quick lifting problem of the brick arrangement pressing plate is solved, the precision of the brick arrangement installation is further improved, the brick arrangement overhang of the buffer base, the pressing plate relaxation chamber and the bolt stretching pool are arranged, the flexible fire clay contact between the buffer base and the brick arrangement is ensured at all times, the problems of the bending deformation of the inner slide plate cavity plate, the plate surface crack fracture of the inner slide plate, the slide plate clamping steel and the like caused by the over-high installation of the brick arrangement and the brick arrangement pressing plate are solved, and the stability of the mechanism surface pressure is obviously improved, the converter slag blocking device is safe and long in service life, stable in operation, low in comprehensive cost and simple in operation and maintenance.

The application discloses a radar antenna transportation lifting device and a transportation vehicle, which comprises a lower bracket, a middle bracket, an upper bracket, air springs and a floating support seat, wherein the lower bracket, the middle bracket and the upper bracket are arranged in parallel, air springs are arranged between the lower bracket and the middle bracket and between the middle bracket and the upper bracket, and the upper bracket is provided with the floating support seat; the floating support seat comprises a support seat body, a shaft sleeve and fixing bolts, a plurality of first mounting holes are arranged on the support seat body, the shaft sleeve is sleeved in the first mounting hole, the fixing bolts penetrate through the shaft sleeve to fix the support seat body on the upper bracket, and the first mounting hole has a larger hole diameter than the outer diameter of the shaft sleeve. The application has the advantages that the deformation of the radar antenna caused by the vibration during highway transportation can be reduced, the transportation safety can be effectively improved, the upward supporting force can be provided when the radar antenna is lifted, the pushing force of the oil cylinder can be reduced, the stress state of the radar antenna lifting can be reduced, and the structural safety can be effectively improved.

The utility model discloses a push-and-pull shunt valve structure and shower system relates to shunt valve technical field, wherein the push-and-pull shunt valve structure comprises a valve body, a fixed cylinder, a piston and a push button, the inside of the valve body is provided with a shunt cavity, the peripheral wall of the valve body is provided with a first water outlet, a water inlet and a second water outlet which are communicated with the shunt cavity, the outer circumferential wall of the fixing cylinder is in sealing fit with the inner wall of the water distribution cavity, the piston is arranged in the water distribution cavity and can move in the axial direction of the valve body, the piston comprises a water distribution part, the water distribution part is located between the first water outlet and the second water outlet, and a water distribution sealing piece is arranged on the outer circumferential wall of the water distribution part. The piston is slightly influenced by water pressure, and thrust needed by the piston is small.