17results about How to "Good thrust" patented technology

The invention provides a metal hose bending test device which solves the problems that an existing hose bending test device is difficult to control the bending angle and radius of a to-be-tested hose and is difficult to detect the bending performance of hoses with different lengths and pipe diameters. According to the technical scheme, a transverse clamp is composed of sliding clamp supporting bases which are symmetrically arranged at the two ends of a transverse rail and driven by an automatic rod pushing device, an electric moving platform of an angle limiting device is provided with a sleeve type push plate through a support, and the sleeve type push plate is formed by assembling a plurality of coaxial cylinders which are enlarged layer by layer from inside to outside; the axial direction of the cylinders is the same as the moving direction of the electric moving platform, electric cylinders used for pushing the multiple sets of cylinders respectively are arranged on the rear portion of the sleeve type push plate, and the electric moving platform is provided with a baffle used for limiting the hose. The flexible pipe bending device can adjust and control the bending radius and angle of a flexible pipe, adapts to detection of flexible pipes with different lengths and pipe diameter specifications, is simple in structure and outstanding in flexible pipe bending test capability, and improves the accuracy of a test result.

The utility model discloses oil drilling and production equipment, which relates to the technical field of oil production and comprises an outer shell, a first partition plate is fixedly arranged on the left side in the outer shell, and the inner space of the outer shell is divided into a filtering space and an oil storage space through the first partition plate and a second partition plate. A sealing partition plate is fixedly arranged on the top of the filtering space and the inner wall of the outer shell, a plurality of filter screens are slidably arranged below the sealing partition plate, an overhauling sealing plate is arranged above the sealing partition plate and fixedly connected with the outer shell, an oil inlet pipe is arranged at the bottom of the left side of the outer shell, and an oil inlet valve is fixedly arranged on the oil inlet pipe; a heating pipe is arranged at the bottom of the oil storage space, and a temperature sensor and a pressure sensor are oppositely arranged at the top of the oil storage space. Hydraulic oil in the oil storage space is monitored through the pressure sensor, once pressure changes, maintenance personnel are prompted to conduct maintenance, and the temperature sensor monitors the temperature of the hydraulic oil.

The utility model belongs to the technical field of molar correction, and provides a molar appliance which comprises a correction assembly, a slender rod piece, an anchoring assembly and a main thrust applying mechanism. Thrust can be applied to the correction ring by adjusting the fixing ring to enable the first elastic part to contract to generate counter-acting force, so that thrust is applied to the teeth to be corrected, the first elastic part continues to contract by adjusting the fixing ring to enable the counter-acting force generated by the first elastic part to be increased, and thrust applied to the teeth to be corrected can be increased. By adjusting the fixing ring to stretch the first elastic piece, the thrust applied to the to-be-corrected tooth can be reduced, the thrust applied to the to-be-corrected tooth can be conveniently adjusted, meanwhile, the to-be-corrected tooth moves backwards under the action of the thrust to gradually stretch the first elastic piece, and the first elastic piece stretches to gradually reduce the thrust applied to the to-be-corrected tooth, so that the to-be-corrected tooth can be conveniently corrected. Therefore, the remote movement distance of the to-be-corrected teeth is conveniently controlled, and the practicability of the device is improved.

The utility model relates to a kind of high-efficiency drying tank, comprising: tank body, movable cover is arranged at the opening of tank body;Pivot, the number is two, two pivots are coaxial and are respectively rotationally installed on the opposite side wall of tank body;Bracket, located in tank body, the end of pivot located in tank body is fixedly connected with bracket, bracket is used to place washing basket, and make washing basket be located in the tank body;Oscillating mechanism, located outside tank body, the end of one pivot located outside tank body is transmission connection with the output end of oscillating mechanism;Wherein, when drying the oscillating mechanism drives the pivot to rotate with its own axis as center, drive the bracket to reciprocating swing around the pivot, when the bracket is at the intermediate position of reciprocating swing track, the bracket supports the washing basket along vertical direction, to reduce the residue of cleaning fluid on the surface of component, improve drying efficiency and drying effect.

The utility model relates to ball screw measurement technical field, especially a kind of ball screw's pitch diameter measuring instrument, the one end of installation box length direction is equipped with micrometer, the measuring head of micrometer is inserted into installation box, and the movable member is slidably arranged in installation box, and the movable member includes the guide rail slidably connected with installation box, the first clamping arm fixedly connected at one end of guide rail, adjustment slot is set up on installation box for the first clamping arm to extend and reciprocatingly slip, the outer circumferential surface of installation box is equipped with the second clamping arm with its detachable connection, the first clamping arm and the second clamping arm are oppositely arranged, and the end of both is equipped with contact measuring ball, the first clamping arm is located at the one end of installation box close to micrometer, the second clamping arm is located at the one end away from micrometer, installation box is also equipped with spring to make the first clamping arm after sliding reset, the utility model has the beneficial effects that: improve measurement accuracy and efficiency.

This utility model discloses a metering concentric screw valve, including a housing containing a motor; a valve body, with a rotor located at the axial center of the valve body at the output end of the motor. A coupling connects the rotor to the output end of the motor, transmitting the torque generated by the motor output to drive the rotor to rotate. The rotor consists of an integral rod body and rod head, with a double-threaded portion formed on the surface of the rod body. In this utility model, increasing the length of the rotor effectively adjusts the internal spatial layout of the cavity, allowing for smoother flow of adhesive within the cavity and a more uniform pressure distribution, thereby reducing the internal pressure and decreasing the possibility of adhesive leakage due to pressure. Furthermore, the rotor's thread structure is optimized and upgraded, changing the original single-layer thread structure to a double-layer thread structure, which provides a stronger force during rotor rotation.

The plunger valve comprises a base and a plunger, the base is provided with a containing cavity, a liquid inlet channel and a liquid discharging channel, the liquid inlet channel is parallel to the liquid discharging channel, the liquid inlet channel and the liquid discharging channel are both communicated with the containing cavity, a first plug screw is arranged at the end, close to the containing cavity, of a first plugging channel, and a second plug screw is arranged at the end, close to the liquid discharging channel, of the first plugging channel. A first ball is arranged at the end, close to the first connecting channel, of the first plugging channel, a second ball is arranged at the end, close to the containing cavity, of the second plugging channel, a second screw plug is arranged at the end, away from the second connecting channel, of the second plugging channel, and an elastic piece is arranged between the second ball and the second screw plug. One end of the plunger extends into the containing cavity, and the plunger moves relative to the containing cavity. The liquid inlet channel is parallel to the liquid discharge channel, so that the plunger can conveniently apply enough suction force to the first ball body, and the plunger can conveniently apply thrust force to the first ball body through hydraulic oil, and the first ball body can be rapidly reset.

The utility model discloses a bus temperature monitoring device for a high-voltage rectifier cabinet, and particularly relates to the technical field of high-voltage rectifier cabinets, which comprises a thermocouple which is arranged in the high-voltage rectifier cabinet and is used for monitoring the temperature of a bus, and the thermocouple consists of a compensation end and a measuring end connected to the end part of the compensation end, one end of the measuring end is in contact with a bus, the outer side wall of the compensation end is connected with an adapter wire, one end of the adapter wire is connected with a thermoelectric force display instrument, an L-shaped plate is arranged on the outer side of the compensation end, and the outer wall of the top of the L-shaped plate is fixedly connected with an insulating support. According to the utility model, the installed electromagnet is electrified to generate magnetism to attract a metal plate or an inner wall in the high-voltage rectifier cabinet, and the shell is taken down after demagnetization after power failure, so that the whole temperature measuring device can be conveniently and rapidly installed and disassembled in the high-voltage rectifier cabinet, and the installation position can be adjusted according to actual needs; and the problem of monitoring data distortion caused by a contact separation phenomenon is not easy to occur.

The utility model discloses an expressway goaf roadbed strength detection device which comprises a supporting plate, the upper surface of the supporting plate is fixedly connected with a box body, and the upper surface of the supporting plate is fixedly connected with a through opening. Through the arrangement of the motor, the driving gear, the driven gear, the rolling bearing, the bearing seat, the threaded cylinder, the threaded rod, the supporting rod, the push plate, the pressure sensor, the pressing plate, the controller and the displayer, the threaded cylinder is conveniently driven to rotate through the cooperation of the motor, the driven gear and the driving gear, and then the pressing plate is driven to rotate according to the threaded cylinder and the threaded rod. The push plate is pushed by the threaded rod to drive the pressing plate to apply pressure to the highway goaf roadbed, and then the detection result is sent to the display to be displayed according to the cooperation of the pressure sensor and the controller, so that the detection work of workers is facilitated, the mode operation is simple, the use is convenient, and the practicability is high. And through cooperation of the bearing seat and the supporting rod, the stability of the threaded cylinder is further improved.

The invention relates to the technical field of centrifugal impellers, in particular to an improved centrifugal impeller with a sunken rear plate, which comprises a front plate, the rear plate and a plurality of blades arranged between the front plate and the rear plate, the front plate is provided with an air inlet, and air outlet channels are formed among the blades. The position, opposite to the air inlet, of the rear plate is sunken towards the front plate to form a flow guide part, the flow guide part is in a horn shape, and a flow dividing assembly is arranged on the flow guide part. The flow dividing assembly comprises a plurality of flow dividing parts, the flow dividing parts are distributed around the center of the flow dividing part at intervals in a circular array mode to form an airflow channel, the whole flow dividing assembly is in a horn shape, the flow dividing parts coincide with the tip of the flow dividing assembly, and the bending degree of the flow dividing parts is larger than that of the flow dividing parts. Airflow can be more effectively guided, impact of the airflow on the rear plate and the blades is reduced, noise and vibration are reduced, and the aerodynamic efficiency is improved.

The utility model provides an anti-seizure emptying mechanism for seamless steel pipe processing relates to emptying mechanism field, including: pushing mechanism and blanking mechanism, the pushing mechanism is provided in the front side of blanking mechanism, and the right side of pushing mechanism is provided with pipe mill, blanking mechanism includes trough plate, and the trough plate is provided with the pipe mill. An inclined plate is connected between the groove plate and a bearing plate included by the pushing mechanism, a through hole groove is formed in the bottom of a groove cavity in the groove plate, the discharging mechanism further comprises a swing rod assembly located on the outer side of the groove plate, the swing rod assembly comprises a U-shaped frame hinged to the outer wall of the groove plate, and an eccentric wheel is slidably connected to the lower side of the U-shaped frame. An electric push rod is installed on the left side of the bearing plate, and a limiting groove is formed in the upper side of the bearing plate. The seamless steel tube emptying mechanism solves the problems that an existing seamless steel tube emptying mechanism still has the phenomenon that emptying is stuck or scattered, and surface defects of tubes are inconvenient to detect.

Precise positioning and quick release of an artificial valve are achieved from the following three aspects that firstly, a translation mechanism and a bending adjusting mechanism of the valve conveyor are designed separately and independently control the translation action and the bending adjusting action respectively, the bending adjusting mechanism can support multi-direction bending, the translation mechanism is responsible for linear movement, the bending adjusting mechanism is responsible for linear movement, and the bending adjusting mechanism is responsible for linear movement; a doctor can more accurately adjust the position and the direction of the valve conveyor in the operation process, multi-dimensional accurate control can be achieved through combination of the valve conveyor and the valve conveyor, the artificial valve and the diseased valve position are kept coaxial when the artificial valve is released, the hypotube is bent to better conform to the human aorta structure in a staggered cutting and staggered punching mode, and therefore the artificial valve can be more accurately controlled. And thirdly, the hypotube is made of a full-development material, so that a doctor can conveniently check whether the positions of the artificial valve and the diseased valve are kept coaxial or not and judge the implantation time of the artificial valve.

The utility model discloses a bulletin board for constructional engineering management, which comprises a shell, two groups of sliding cylinders are fixedly embedded on the back of the shell, the inner wall of each sliding cylinder is slidably connected with a sliding rod, the rear ends of the two groups of sliding rods are jointly and fixedly connected with two movable plates, the front of each movable plate is fixedly connected with two springs, and the two springs are fixedly connected with the shell. The front end of each spring is fixedly connected with the back face of the shell, the front ends of the two sets of sliding rods are jointly and fixedly connected with two clamping plates, and transparent glass is arranged in front of the shell. The device is provided with a spring, a movable plate, transparent glass, a sliding barrel and a clamping plate, by means of cooperation of the spring and the movable plate, the movable plate is pushed by the spring conveniently to drive a sliding rod to slide in the sliding barrel, then through movement of the sliding rod, the clamping plate gets close to the bulletin cloth conveniently, and the bulletin cloth is clamped conveniently; the bulletin cloth is convenient to replace, does not need to be cleaned by workers, and is beneficial to current use.

The utility model discloses a novel propaganda cart for technical popularization, which relates to the technical field of propaganda equipment, and comprises a box body, an angle adjusting mechanism is arranged in an inner cavity of the box body, the angle adjusting mechanism comprises a rotating base, a gear rotating shaft, a driving motor and a driving gear, the rotating base is movably connected to the bottom of the inner cavity of the box body, and the gear rotating shaft is movably connected to the bottom of the inner cavity of the box body. The gear rotating shaft is fixedly connected to the bottom end of the rotating base, the driving motor is fixedly installed at the bottom end of an inner cavity of the box body, the driving gear is fixedly connected to the output end of the driving motor, and a telescopic mechanism is arranged at the top end of the rotating base. According to the novel propaganda cart for technology popularization, through cooperative work and use of all the assemblies, the problems that in the actual use process of existing equipment, the angle cannot be adjusted, so that the display angle is first and cannot be found by more people, the propaganda effect is reduced, and the existing equipment does not have the contraction capacity; and therefore, a large storage space is occupied during placement.

The invention provides an axial grading turbofan engine based on methanol fuel afterburning, and belongs to the technical field of aero-engines. The problems that when an existing jet fuel with the high carbon content serves as a raw material, the carbon emission of a turbofan engine is high, the overall NOx is high, and the heat efficiency is difficult to further improve are solved. Through axial grading afterburning, the fuel utilization rate is increased, thrust is improved, carbon emission is reduced, the performance of the turbofan engine is improved, distribution of fuel in the axial position is optimized, the fuel amount of a head combustion area is reduced, meanwhile, the supply amount of the fuel on the two stages can be flexibly adjusted and controlled, a more reasonable air distribution mode is matched, and the combustion efficiency of the turbofan engine is improved. And the overall NOx level can be effectively reduced. The performance of the engine is improved by supplying methanol fuel into the afterburning chamber, the use of aviation kerosene is reduced through afterburning of methanol, and meanwhile, the stability of thrust is guaranteed. The method is more environment-friendly and low in storage and transportation cost, and can utilize the existing fuel infrastructure as a liquid fuel system.

The utility model discloses a security equipment installation support which comprises a sleeve, the inner wall of the sleeve is in sliding connection with an ejector rod, a sliding opening is formed in the right side face of the sleeve, the inner wall of the sliding opening is in sliding connection with a sliding plate, a sliding barrel is fixedly embedded in the right side face of the sliding plate, and the inner wall of the sliding barrel is in sliding connection with a sliding rod. The outer surface of the sliding rod is fixedly connected with a fixing ring, and the outer surface of the sliding rod is sleeved with a spring. The device is provided with a sliding plate, a sliding cylinder, a sliding rod, a spring, a fixing ring, a positioning hole, a positioning cylinder, a threaded cylinder and a threaded rod, movement of the sliding plate is utilized to conveniently drive an ejector rod to move in a sleeve, and then through cooperation of the spring, the fixing ring and the sliding cylinder, the fixing ring is conveniently pushed by the spring to drive the sliding rod to be inserted into the positioning hole; and the top rod can be conveniently positioned, so that the height adjustment is completed, the security and protection monitor can be conveniently installed by utilizing the connection relation between the threaded cylinder and the threaded rod, and the installation mode is simple.