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47results about How to "Close to" patented technology

Disposable double-passage endoscope sheath

The invention provides a disposable double-passage endoscope sheath. The disposable double-passage endoscope sheath comprises a sheath pipe consisting of an endoscope cavity and an instrument passage which are independent of each other; the front end of the instrument passage is provided with an opening; a stirring wire passage is formed between the endoscope cavity and the instrument passage; a stirring wire passes through the stirring wire passage and the parts of front and back parts of the stirring wire are exposed out of the stirring wire passage, and the front end of the stirring wire is connected with a stirring part; and the stirring part is a roller part or an inverted concave steel wire part. The disposable double-passage endoscope sheath has the advantages that: a head of surgical equipment is flexibly adjusted, so that the condition of a patient is checked and surgery can be performed simultaneously; the working length of an endoscope can be adjusted, and the problem that endoscopes with different working lengths are inconvenient to connect is solved; a surgical part is supported by conveying water through a water inlet passage before surgery, and impurities on the surgical parts are discharged through a water discharge passage to ensure that surgical fields are clear and visible, and the surgery is accurate; and the whole disposable double-passage endoscope sheathis disposable, avoids pollution and is safe and sanitary.
Owner:TIANJIN BOLANG SCI TECH DEV

Bonding sheet for capacitor and method for manufacturing capacitor built-in printing wiring board

The invention provides a chip for forming a thin capacitor applied in parts built-in multi-layer flexible printed wiring boards and provides a method for manufacturing the parts built-in multi-layer flexible printed wiring boards using the chip. The invention also relates a bonding film for the capacitor and the manufacturing method, which is used for forming the capacitor by bonding electrodes on two surfaces of a dielectric layer, wherein, the capacitor is built-in printed wiring boards to form the bonding film. The bonding film is characterized in that: having a dielectric layer (1) which has high dielectric constant and is formed by flowing materials which can not occur accompanying substantive thickness changing and transforming at the pressure and temperature of the pressing time when the electrodes are boned onto the dielectric layer and has two surfaces with cohesive property; and bonding resin layers (2, 3), which have the fluidity to fill the surrounding of the electrodes and are arranged on two surfaces of the dielectric layer (1).
Owner:NIPPON MEKTRON LTD

Silicon carbide preparation method

The invention provides a preparation method of silicon carbide, and belongs to the technical field of semiconductor preparation. The invention aims at solving a problems of severe pollution and poor silicon carbide product purity of existing silicon carbide preparation methods. The method comprises the steps that: silica or metal silicon or a mixture of the two is completely coated by using a carbon source comprising carbon element, and raw material particles are prepared; and the raw material particles are subjected to a reaction under high temperature, such that silicon carbide is produced. The invention also discloses a method for preparing silicon carbide by using a device equipped with a plasma generation device. The invention also comprises a method for directly adding the carbon source and silica or metal silicon or the mixture of the two into plasma flame for carrying out a heating reaction and further producing silicon carbide. The invention also comprises a silicon carbide preparation method comprising a purification step. With the method, environment pollution can be avoided, and silicon carbide purity can be improved.
Owner:TAIZHOU BEYOND TECH

Integrated passive device and manufacture method thereof

An embodiment of the invention provides an integrated passive device and a manufacture method thereof. The method includes: providing a semi-conductor substrate; forming a first electric conducting layer in the semi-conductor substrate; forming interconnection holes and a capacitance hole in the semi-conductor substrate, wherein the capacitance hole is adjacent to the first electric conducting layer; forming interconnection plugs in the interconnecting holes; forming an insulation layer on the lateral wall and the bottom of the capacitance hole; and forming a second electric conducting layer in the capacitance hole. The second electric conducting layer, the insulation layer and the first electric conducting layer form a capacitor. The integrated passive device and the manufacture method increase a capacitance range of interconnecting capacitors connected vertically between chips and meet application requirements.
Owner:SEMICON MFG INT (SHANGHAI) CORP +1

Simulated water pressure loading device and method used for tunnel structure test

ActiveCN102435458AClose contactAccurately derive the mechanical responseStructural/machines measurementChinese charactersEngineering
The invention provides a simulated water pressure loading device and method used for a tunnel structure test. According to the invention, convenient and accurate research is provided for a non-circular section tunnel structure water pressure test and the mechanical characteristic problem under the condition that structure is under the action of water pressure is solved. The overall structure is arranged in a T type, the upper part of the overall structure is provided with a left frame body, a middle frame body and a right frame body, the lower part of the overall structure is provided with a lower frame body, force sensors are arranged in spaces of the left frame body and the right frame body, and fine tuning screws are arranged above the force sensors. A strap steel strand is connected with the force sensors by virtue of a leading sheave on a transverse shaft and wing plate locating holes of the left and right frame bodies; a base plate of the lower frame body is provided with a base plate groove; and a loading middle shaft, an upward guiding side shaft and a downward guiding side shaft are distributed in the shape of a Chinese character 'pin' in the lower frame body, the loading middle shaft is arranged in a sliding chute for a wing plate groove of the middle frame body and the base plate groove of the lower frame body, each shaft is provided with a locating leading sheave, and the position of each locating leading sheave can be regulated forward and backward. The simulated water pressure loading device and method provided by the invention are mainly applied to the tunnel structure test.
Owner:SOUTHWEST JIAOTONG UNIV

Motor and water pump comprising same

The invention discloses a motor and a water pump comprising the same. The motor comprises a rotor and a stator, wherein the stator is arranged outside the rotor; the stator comprises a stator yoke portion formed in an annular shape and a plurality of stator teeth arranged in the circumferential direction of the stator yoke portion at intervals; the stator yoke portion is formed by superposing a plurality of yoke portion punching sheets in the axial direction of the stator yoke portion; each stator tooth is formed by superposing a plurality of tooth portion punching sheets in the circumferential direction of the stator yoke portion; the superposing direction of the plurality of yoke portion punching sheets is perpendicular to that of the plurality of tooth portion punching sheets; one end, adjacent to the rotor, of at least one stator tooth is provided with at least one tooth shoe portion, and the tooth shoe portions extend along the axial direction of the rotor; one end, away from the corresponding stator tooth, of the at least one tooth shoe portion is provided with a boss; and the bosses extend toward the direction of the rotor. According to the motor disclosed by the invention, the utilization rate of an axial magnetic field of the rotor is improved, the reluctance is reduced, the magnetic conduction effect between the stator and the rotor is improved, and the magnetic concentration effect is better.
Owner:GUANGDONG WELLING ELECTRIC MACHINE MFG +1

Sensor and assembly methods thereof

The invention discloses a sensor, which comprises a lead pin, a lead bracket, a lead board and a chip, wherein a convex ring is arranged on the inner wall of the lead bracket; a lead pin hole is formed in the convex ring; the upper part of the lead pin hole is filled with an insulating layer; the lead pin passes through the lead pin hole, is inserted into a welding hole and is welded; the lower end surface of the lead pin is flush with the lower surface of the lead plate; the chip is in contact with the lower surface of the lead board; and the lead of the chip passes through a lead hole and is welded with the upper surface of the lead board. The invention further discloses an assembly method of the sensor. The method comprises the following steps: firstly, fixing the lead pin on the lead bracket; and then welding the lead pin and the lead board and ensuring that the lower surface of the lead board is flush. The invention further discloses another assembly method, which comprises the following steps: welding the lead pin and the lead board and then fixing the lead pin in the lead pin hole, and simultaneously ensuring that the lead pin does not extend out of the lower surface of the lead board. The sensor and the assembly methods thereof disclosed by the invention have the advantages of being simple and compact in structure, short in lead, high in working reliability and the like.
Owner:48TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Color film substrate, manufacturing method of color film substrate and display panel

The invention discloses a color film substrate, a manufacturing method of the color film substrate and a display panel, the color film substrate is provided with a display area and a non-display areasurrounding the display area, and the non-display area is defined to comprise a first non-display area right opposite to a double-layer metal wiring area of an array substrate and a second non-displayarea right opposite to a single-layer metal wiring area of the array substrate. The color film substrate further comprises a substrate body; a black matrix layer which is arranged on one surface of the substrate body; a raising layer which is arranged on the surface, deviating from the substrate body, of the black matrix layer and located in the second non-display area; and a conducting layer which is arranged on one side, deviating from the substrate, of the black matrix layer, and is jacked by the two lifting layers to form a convex part. According to the technical scheme, when the particlesize of the gap supporting ball is calculated according to the longitudinal sections of the first non-display area and the second non-display area, the particle size of the gap supporting ball is uniform, and then it is guaranteed that the box thickness of the display panel is uniform.
Owner:HKC CORP LTD

Crawler-type inspection robot for transformer substation, charging device and charging system and method

The invention discloses a crawler-type inspection robot for a transformer substation, a charging device, a charging system and a charging method, and belongs to the technical field of wireless charging. The charging system comprises a transmitting part and receiving part. According to the crawler-type inspection robot for the transformer substation, a coil is arranged in a crawler belt, the coupling coefficient is increased, the energy transmission efficiency and power are improved, the charging process is accelerated, and the inspection robot works uninterruptedly. The wireless electric energy transmission technology is applied to the crawler-type inspection robot, pickup coils are dispersedly embedded into a crawler, and energy transmitting coils are arranged on the ground surface, so the receiving coils and the transmitting coils can be close to each other, the transmission efficiency and power are improved, and the coupling influence among the receiving coils is reduced; a single track receiving coil unit module is packaged in an integrated mode, a plurality of modules are assembled to be spliced into a whole track, and electric energy picked up by a receiving unit is connectedin series, and is output, stabilized voltage and filtered to be charged to a storage battery.
Owner:CHINA ELECTRIC POWER RES INST +3

Preparation method of high-purity silicon carbide

The invention relates to a preparation method of high-purity silicon carbide, and belongs to the technical field of semiconductor materials. In order to solve the problems of low purity and severe environmental pollution of silicon carbide obtained by the prior art, the invention provides a preparation method of high-purity silicon carbide. The method is as below: completely wrapping the surface of a raw material silica or metal silicon or a mixture of the two with a carbon source containing carbon element, so as to prepare raw material particles; and reacting the raw material particles under high temperature to produce the silicon carbide. The silicon carbide prepared by the method in the invention has high purity, also can reduce energy consumption and pollutant emissions, and is friendly to the environment.
Owner:TAIZHOU BEYOND TECH

Yarn dyeing device with rapid drying function

The invention discloses a yarn dyeing device with a rapid drying function. The yarn dyeing device comprises a dyeing box, a drying box, a draught fan and a supporting plate; two steering rollers are installed on the left side and the right side of the upper portion in the dyeing box; two electric cylinders are installed at the front end and the rear end of the middle of the top of the dyeing box; the drying box is located on the left side of the dyeing box; an electric heating device is installed at the bottom in the drying box; the draught fan is arranged on the left side of the drying box; the bottom of the draught fan is supported through a rubber supporting base; an air outlet of the draught fan is connected with an air inlet pipe; and the supporting plate is arranged below the dyeing box and the drying box. According to the yarn dyeing device with the rapid drying function, the draught fan is arranged, the air inlet pipe installed on the air outlet of the draught fan penetrates through the bottom of the left side of the drying box, a plurality of through holes are formed in the air inlet pipe, and when the electric heating device is started, the draught fan blows external air into the drying box to blow high-temperature air near the electric heating device; and therefore the temperature in the drying box is uniform, and the drying effect is improved.
Owner:宿迁至诚纺织品股份有限公司

Lifting type glue dispensing device

InactiveCN109718997AClose toPrecise dispensing positionLiquid surface applicatorsCoatingsEngineeringRotating disc
The invention discloses a lifting type glue dispensing device, and belongs to the technical field of machines. The device aims to overcome the defects that an existing glue dispensing device is not suitable for automatic heat insulation meson assembly equipment. The lifting type glue dispensing device comprises a glue tank, a glue dispensing support and a glue dispensing valve, wherein a lifting driving part is arranged on the glue dispensing support, the lifting driving part is connected with a lifting frame, the glue dispensing valve is fixed on the lifting frame, and the glue tank is connected with the glue dispensing valve. According to the lifting type glue dispensing device, when a rotating disc on the heat insulation meson assembly equipment needs to be rotated, the glue dispensingvalve is controlled to be in a rising state, and therefore the glue dispensing valve cannot block a heat insulation plate from turning over, and when glue dispensing is needed, the glue dispensing valve is controlled to be in a lowering state, the glue dispensing valve is close to the heat insulation plate, so that the glue dispensing position is more accurate.
Owner:NINGBO KAIBO GROUP

Color film substrate, manufacturing method of color film substrate and display panel

The invention discloses a color film substrate, a manufacturing method of the color film substrate and a display panel, the color film substrate is provided with a display area and a non-display areasurrounding the display area, and the non-display area is defined to comprise a first non-display area right opposite to a double-layer metal wiring area of an array substrate and a second non-displayarea right opposite to a single-layer metal wiring area of the array substrate. The color film substrate further comprises: a substrate body; a black matrix layer which is arranged on one surface ofthe substrate body, wherein a first receding groove is formed in the surface, deviating from the substrate body, of the black matrix layer, and the first receding groove is located in the first non-display area; and a conducting layer which is arranged on the side, deviating from the substrate, of the black matrix layer, wherein at least part of the conducting layer is sunken in the first recedinggroove to form a second receding groove. According to the technical scheme, when the particle size of the gap supporting ball is calculated according to the longitudinal sections of the first non-display area and the second non-display area, the particle size of the gap supporting ball is uniform, and then it is guaranteed that the box thickness of the display panel is uniform.
Owner:HKC CORP LTD

Color film substrate, manufacturing method of color film substrate and display panel

The invention discloses a color film substrate, a manufacturing method of the color film substrate and a display panel, the color film substrate is provided with a display area and a non-display areasurrounding the display area, and the non-display area is defined to comprise a first non-display area right opposite to a double-layer metal wiring area of an array substrate and a second non-displayarea right opposite to a single-layer metal wiring area of the array substrate. The color film substrate further comprises a substrate base plate; a black matrix layer which is arranged on one surface of the substrate base plate, wherein a first protruding part is formed on the surface, deviating from the substrate base plate, of the black matrix layer located in the second non-display area; anda conducting layer which is arranged on one side, deviating from the substrate, of the black matrix layer, and is jacked by the first protruding part to form a second protruding part. According to thetechnical scheme, when the particle size of a gap supporting ball is calculated according to the longitudinal sections of the first non-display area and the second non-display area, the particle sizeof the gap supporting ball is uniform, and then it is guaranteed that the box thickness of the display panel is uniform.
Owner:HKC CORP LTD

Hanging basket device special for autocrane

The invention relates to the field of autocrane, especially to a hanging basket device special for an autocrane, and solves problems of single function of the autocrane, restriction in using and dissatisfaction in requirements of high altitude construction in prior art. The hanging basket device mainly comprises a hanging basket support, a hanging basket, a connecting piece, etc., wherein one end of the hanging basket support is in pin connection with two ends of the hanging basket through a pin I, the other end of the hanging basket support is connected with a main rod head or an auxiliary rod head of the autocrane through the connecting piece, the hanging basket support is mounted on an auxiliary hook connecting pin seat of the main rod head of the autocrane, a stay rope is connected to a position between a main rod pulley shaft of the main rod head of the autocrane and a connecting lug of the hanging basket support, or the hanging basket device is mounted on the auxiliary rod head of the autocrane through the connecting piece, and the auxiliary rod head of the autocrane is connected with the hanging basket support through a connecting rod or telescoping rod and the connecting piece. According to the invention, the hanging basket device can be directly mounted by utilizing existing connecting structures of the autocrane, without refitting the autocrane, thereby saving labor and time and strong in adaptability.
Owner:王志华

Diamond substrate based nitride structure, preparation method and semiconductor device

The invention discloses a diamond substrate based nitride structure, a preparation method and a semiconductor device. The nitride structure comprises the diamond substrate, at least one layer of IV group atomic layer positioned on the diamond substrate, and a nitride epitaxial layer positioned on the at least one layer of the IV group atomic layer. According to the diamond substrate based nitride structure, the preparation method and the semiconductor device, the problems of high mismatch when the nitride epitaxial layer is growing on the diamond substrate, the high thermal resistance in the interface of the nitride epitaxial layer and the diamond substrate, and the complex technology are solved.
Owner:DYNAX SEMICON

Simulated water pressure loading device and method used for tunnel structure test

ActiveCN102435458BEnsure safetyConvenient and Accurate ResearchStructural/machines measurementChinese charactersEngineering
The invention provides a simulated water pressure loading device and method used for a tunnel structure test. According to the invention, convenient and accurate research is provided for a non-circular section tunnel structure water pressure test and the mechanical characteristic problem under the condition that structure is under the action of water pressure is solved. The overall structure is arranged in a T type, the upper part of the overall structure is provided with a left frame body, a middle frame body and a right frame body, the lower part of the overall structure is provided with a lower frame body, force sensors are arranged in spaces of the left frame body and the right frame body, and fine tuning screws are arranged above the force sensors. A strap steel strand is connected with the force sensors by virtue of a leading sheave on a transverse shaft and wing plate locating holes of the left and right frame bodies; a base plate of the lower frame body is provided with a base plate groove; and a loading middle shaft, an upward guiding side shaft and a downward guiding side shaft are distributed in the shape of a Chinese character 'pin' in the lower frame body, the loading middle shaft is arranged in a sliding chute for a wing plate groove of the middle frame body and the base plate groove of the lower frame body, each shaft is provided with a locating leading sheave, and the position of each locating leading sheave can be regulated forward and backward. The simulated water pressure loading device and method provided by the invention are mainly applied to the tunnel structure test.
Owner:SOUTHWEST JIAOTONG UNIV

Liftable and turnable seedling culture bed and seedling culture method

The invention discloses a liftable and turnable seedling culture bed and a seedling culture method. The existing seeding culture bed is rectangular and can be moved left and right by a handle, but theangle of the seedling culture bed cannot be rotated, so that vegetables on the seedling culture bed cannot be turned to fill light. The seedling culture bed a plurality of square seedling culture bedsurfaces (2) arranged in parallel, and a sleeve (11) is welded at the bottom of each seedling culture surface and connected with a lifting push rod of a lifting device (4) through a positioning bearing (1); and the positioning bearing includes a circular top plate (8) and a circular bottom plate (5) which are buckled oppositely, a circular sliding groove (6) is formed in the circular bottom plate, four lower hemispherical grooves (7) are formed in the circular sliding groove, four upper hemispherical grooves (9) which are directly opposite to the position of the lower hemispherical grooves are formed the circular top plate, and a ball (10) is placed in each upper hemispherical groove. The invention is used for the liftable and turnable seedling culture bed and the seedling culture method.
Owner:黑龙江省农业科学院园艺分院

A 3D Electromagnetic Vibration Isolator Based on Bidirectional Displacement Amplification Function Design

ActiveCN109296684BWith displacement amplification effectClose toMagnetic springsEngineeringVibration isolation
The invention discloses a three-dimensional electromagnetic vibration isolator designed based on a two-way displacement amplification function. The three-dimensional electromagnetic vibration isolatorcomprises a sand-glass-shaped mechanism, a rhombus mechanism, electromagnetic mechanisms, a sensor, a fastener and other parts. The sand-glass-shaped mechanism and the rhombus mechanism are mutuallyperpendicularly distributed, and the four same electromagnetic mechanisms are distributed on the middle plates of the two mechanisms. Each electromagnetic mechanism is divided into a permanent magnetpart and an electromagnet part. The sensor is arranged in the middle crossed portion, and the whole vibration isolator can be connected to a needed vibration isolation environment through bolts. By means of the negative poisson ratio effect of the sand-glass-shaped mechanism and the positive poisson ratio effect of the rhombus mechanism, the two mechanisms are in two opposite driving directions, and a complementary displacement amplification effect is achieved. Meanwhile, the electromagnetic mechanisms have the characteristic that the shorter the distance is, the larger electromagnetic force is. By means of the three-dimensional structure design of the sand-glass-shaped mechanism and the rhombus mechanism which are mutually perpendicularly distributed, the bad mode of a traditional displacement amplification mechanism in the non-acting direction is eliminated.
Owner:XI AN JIAOTONG UNIV

Fly face recognition method based on deep convolutional neural network

The invention provides a fly face recognition method based on a deep convolutional neural network. The method comprises the steps of optimizing a multi-task convolutional neural network MTCNN to perform face positioning and feature point detection on a fly image; obtaininig a fly face feature point image through positioning and detection, and carrying out fly face alignment; making the aligned flyface images into a data set; building a fly face deep convolutional neural network model; connecting two groups of feature vectors extracted from the thickness in the fly face deep convolutional neural network in series to form a group of feature vectors; and testing the fly face deep convolutional neural network model through the test set, and verifying the fly recognition effect. According to the method, a fly face deep convolutional neural network is adopted, contour features of an image are roughly extracted by using a large number of convolution pooling, and then specific part features such as small eyes in fly compound eyes are extracted by using Inception-ResNet and Reduction networks. According to the network, the learning target and difficulty can be simplified, and richer feature vectors can be extracted while gradient loss is prevented.
Owner:DALIAN MARITIME UNIVERSITY

Micro-surfacing paving thickness measuring device for highway engineering

The invention discloses a micro-surfacing paving thickness measuring device for highway engineering, and belongs to the technical field of road construction. The micro-surfacing paving thickness measuring device for highway engineering comprises a base, a limiting block is fixedly arranged on the left side of the top face of a supporting plate, a vertical groove is formed in the position, opposite to the end of the limiting block, of the left wall of a testing rod, a cavity is formed in the middle of the bottom face of the testing rod, a glass plate is embedded in the right wall of the cavity, and a plurality of inclined grooves are linearly formed in the inner wall of the cavity at equal intervals. A cleaning opening is coaxially formed in the middle of the top face of the testing rod, a sealing cover is arranged in the cleaning opening, two plate grooves are symmetrically formed in the front side and the rear side of the sealing cover, clamping plates are arranged at the outer side ends in the plate grooves, compression springs C are fixedly arranged between the inner side walls of the clamping plates and the inner side walls of the plate grooves, and clamping grooves are formed in the positions, opposite to the outer side ends of the clamping plates, of the inner wall of the cleaning opening. According to the micro-surfacing paving thickness measuring device, the test rod can be inserted into the micro-surfacing more quickly, the time and labor are saved, the thickness measurement work has higher preciseness, and the practicability is high.
Owner:广东湾建基础设施发展集团有限公司

Hanging basket device special for autocrane

The invention relates to the field of autocrane, especially to a hanging basket device special for an autocrane, and solves problems of single function of the autocrane, restriction in using and dissatisfaction in requirements of high altitude construction in prior art. The hanging basket device mainly comprises a hanging basket support, a hanging basket, a connecting piece, etc., wherein one end of the hanging basket support is in pin connection with two ends of the hanging basket through a pin I, the other end of the hanging basket support is connected with a main rod head or an auxiliary rod head of the autocrane through the connecting piece, the hanging basket support is mounted on an auxiliary hook connecting pin seat of the main rod head of the autocrane, a stay rope is connected to a position between a main rod pulley shaft of the main rod head of the autocrane and a connecting lug of the hanging basket support, or the hanging basket device is mounted on the auxiliary rod head of the autocrane through the connecting piece, and the auxiliary rod head of the autocrane is connected with the hanging basket support through a connecting rod or telescoping rod and the connecting piece. According to the invention, the hanging basket device can be directly mounted by utilizing existing connecting structures of the autocrane, without refitting the autocrane, thereby saving labor and time and strong in adaptability.
Owner:王志华

Box-type resistance furnace capable of placing and processing different materials

The invention discloses a box-type resistance furnace capable of placing and processing different materials. The box-type resistance furnace comprises a box-type resistance furnace body, a scaling mechanism and a lifting mechanism, one side of the box-type resistance furnace body is movably provided with a sealing cover plate, and the interior of the box-type resistance furnace body is fixedly provided with a base; and a limiting frame is fixed to the end, close to the interior of the box-type resistance furnace body, of the base, a plurality of sets of heating pipes are arranged above the base, the scaling mechanism is installed on the base and the limiting frame, and the lifting mechanism is installed in the upper end of the base. The lifting mechanism is used for enabling the storage box to ascend and descend so as to adjust the distance between the storage box and the heating pipe, a threaded rod in a second threaded hole is rotated, then a supporting plate moves in an inclined groove, the height of the upper end of the supporting plate is changed, the storage box is lifted, and the distance between the storage box and the heating pipe is closer. And the processing efficiency of materials stored in the storage box is improved.
Owner:JINAN BEST ANIMAL HUSBANDRY TECH

Disposable double-passage endoscope sheath

The invention provides a disposable double-passage endoscope sheath. The disposable double-passage endoscope sheath comprises a sheath pipe consisting of an endoscope cavity and an instrument passage which are independent of each other; the front end of the instrument passage is provided with an opening; a stirring wire passage is formed between the endoscope cavity and the instrument passage; a stirring wire passes through the stirring wire passage and the parts of front and back parts of the stirring wire are exposed out of the stirring wire passage, and the front end of the stirring wire is connected with a stirring part; and the stirring part is a roller part or an inverted concave steel wire part. The disposable double-passage endoscope sheath has the advantages that: a head of surgical equipment is flexibly adjusted, so that the condition of a patient is checked and surgery can be performed simultaneously; the working length of an endoscope can be adjusted, and the problem that endoscopes with different working lengths are inconvenient to connect is solved; a surgical part is supported by conveying water through a water inlet passage before surgery, and impurities on the surgical parts are discharged through a water discharge passage to ensure that surgical fields are clear and visible, and the surgery is accurate; and the whole disposable double-passage endoscope sheath is disposable, avoids pollution and is safe and sanitary.
Owner:TIANJIN BOLANG SCI TECH DEV

Movable auxiliary polishing device for forging

InactiveCN109352486AGet rid of inconvenience and fatigueEasy to adjustGrinding carriagesGrinding drivesEngineering
The invention relates to a movable auxiliary polishing device for forging. The movable auxiliary polishing device includes a device body, a lifting rod and a rotating trough, wherein the device body is internally provided with a moving trough; the moving trough is internally provided with a sliding rod; the outside of the sliding rod is wrapped by a sliding trough; a sliding block is fixed outsidethe sliding trough; the lifting rod is fixed to the upper end of the sliding block; an extension rod is connected with the upper end of the lifting rod; a stretching rod is connected with the outer side of extension rod; a telescopic rod is connected with the outer side of the stretching rod; a rotating motor is arranged on the upper end of the telescopic rod; and a polishing block is connected with the lower end of the rotating motor. According to the movable auxiliary polishing device, the sliding rod and the sliding trough form a sliding structure; the sliding trough and the sliding blockform an integrated structure by welding; and according to a specific polishing position of an article, the sliding block can slide leftwards and rightwards through the sliding trough and the sliding rod so that the position of the lifting rod is adjusted accordingly.
Owner:王世永
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