77results about How to "Institutional stability" patented technology

The invention relates to a ground cleaning machine which comprises a base capable of moving on the ground and a machine body, wherein the base comprises a front end, a rear end, a first side end and a second side end, wherein the first side end and the second side end are oppositely arranged; a suction opening, a sewage tank provided with a sewage inlet and an air outlet, a suction motor component provided with an air inlet and an air exhaust outlet, and a rolling brush mounted at the suction opening are arranged on the base; the suction opening, the sewage inlet of the sewage tank, the air outlet of the sewage tank and the air inlet of the suction motor component are sequentially communicated; and the lower part of the machine body is rotationally connected onto the base, an operation handle, a cleaning fluid tank for storing cleaning fluid and a battery pack are arranged on the machine body, a fluid conveying pipe is arranged between the cleaning fluid tank and the rolling brush, and the battery pack is electrically connected with the suction motor component. The ground cleaning machine provided by the invention has the benefit that the sewage tank, the suction motor component and other heavier parts are arranged on the base, so that the mechanism of the whole machine is more stable.

The invention belongs to the field of medical instruments, and particularly relates to a universal mechanical instrument support with a screwing and locking function. The support comprises a first cannula and a second cannula, and a first sleeve is fixed to the first cannula; a second sleeve is fixed to the second cannula; cylindrical head screws are arranged in the first sleeve and the second sleeve in a penetrating mode, and screwing handles are connected to the cylindrical head screws; second threaded holes are formed in the cylindrical head screws, and locating screws are connected to the second threaded holes; second shaft rods are arranged in the second cannula in a penetrating mode, first wedge-shaped surfaces are arranged on the second shaft rods, second wedge-shaped surfaces are arranged on the cylindrical head screws, and the second wedge-shaped surfaces are attached to the first wedge-shaped surfaces; a second ball head joint is arranged on the second cannula, and the second shaft rods abut against a ball head of the second ball head joint; an instrument chuck is fixedly arranged on the ball head. The universal mechanical instrument support with the screwing and locking function has the advantages that the workload of a doctor is reduced, the work efficiency of the doctor is improved, the shake caused when all instruments are manually supported is avoided, and the stability and precision of an operation are improved.

The invention discloses application of a circ_SLC7A5 molecular marker in blood in diagnosing esophageal squamous carcinoma and prognosis, and relates to discovery, detection and application of the circ_SLC7A5 molecular marker. A specific detection primer for real-time quantitative PRC is designed and synthesized. Circ_SLC7A5 in the blood can serve as a plasma marker for ESCC patients, aiming at the status quo that a target group of people have poor compliance on esophagus cancer endoscope screening, and most of esophageal squamous carcinoma patients with definite diagnosis in clinic are in themiddle and advanced stage, ideal molecular early-warning signals are found out in the esophagus squamous cell canceration process, endoscopy is targetedly carried out, the pathology is conformed, sothat the pain of the patients is alleviated, excessive medical treatment is avoided, and medical resources are saved.

The invention discloses application of a novel gastric cancer marker circ-EIF4G3 and relates to detection and application of molecular markers circ-EIF4G3. By means of the gastric cancer marker circ-EIF4G3, a detection primer with specificity for real-time quantitative PCR is designed and synthesized. In order to change the current situation that the compliance of endoscope screening of target groups with gastric cancer is poor and clinically defined patients with gastric cancer almost stay in the middle and late period of gastric cancer, ideal molecular prewarning signals are found in a cancerization process of gastric cancer, and endoscopic examination and pathological diagnosis are carried out in a targeted mode so as to relieve the pain of the patients, avoid excessive medical treatment and save medical resources. According to the application of the gastric cancer marker, the molecular marker circ-EIF4G3 can be used for detecting and monitoring prognosis of the patients with gastric cancer.

The invention provides a film packaging machine. The film packaging machine comprises a film feeding mechanism, a film tension adjusting mechanism, a film cutting mechanism, a packaging and conveying mechanism, an inlet conveying mechanism, an outlet conveying mechanism, a sealing mechanism, a film pressing mechanism and a push rake mechanism. The inlet conveying mechanism, the packaging and conveying mechanism and the outlet conveying mechanism are sequentially connected; the film pressing mechanism is arranged in the center of the upper portion of the packaging and conveying mechanism; the push rake mechanism is arranged on the side close to the inlet conveying mechanism; the film cutting mechanism is the same as the inlet conveying mechanism in conveying direction; one end of the film cutting mechanism is connected with the packaging and conveying mechanism and the other end of the film cutting mechanism is connected with the film feeding mechanism; the film tension adjusting mechanism is arranged at the end, close to the inlet conveying mechanism, of the film feeding mechanism. The film packaging machine can achieve automatic film packaging, the mechanical structure is stable, the packaging efficiency is doubled by the adoption of a disc cam structure, and as the force amplitude can be set, the operation safety of the mechanism is ensured.

The invention discloses a valve stem chamfering processing device, which comprises a support and a vibrating plate, the vibrating plate is arranged on the support, the vibrating plate is provided with a material outlet, and the support is provided with a feeding mechanism, a fastening mechanism and a grinding mechanism And the receiving mechanism, the fastening mechanism includes a fixed pipe, the grinding mechanism includes a cutting knife for grinding the rough material of the valve stem, the fixed pipe is slidably arranged on the bracket along the vertical direction, and the upper end is arranged at the corresponding position of the cutting knife, The lower end is a free end, and the feeding mechanism includes a conveying column for sending the rough material of the valve stem into the fixed pipe and a conveying arm for sending the material to the conveying column. The conveying column is set under the fixed pipe, and the conveying arm is slidable. Between the fixed pipe and the discharge port, the receiving mechanism includes a receiving hopper and a first driving member for driving the receiving hopper to extend to the lower end of the fixed pipe. Its structure is simple, and it can automatically realize the operation of conveying and loading materials, clamping materials, grinding and processing chamfering, and finally receiving materials, so as to improve production efficiency.

The invention discloses a hydraulic torque converter device with the combined vibration absorption function, which includes a right cover plate, a pressure plate, a turbine output shaft, a sealing ring, a flange plate, a right bearing, a turbine output shaft long sleeve, a pump wheel bearing supporting seat, a pump wheel bearing, a guide wheel bearing, a guide wheel supporting seat, a guide wheelhub, a pump wheel inner ring, a guide wheel inner ring, a rubber gear, a pump wheel casing, a turbine inner ring, a pump wheel housing, a turbine casing, a support plate, a torsional vibration damper,a clutch driven plate, a clutch driving plate, a piston, a turbine flange, a turbine hub, a return spring, a guide wheel supporting seat left positioning short sleeve, a turbine output shaft short sleeve and a guide wheel supporting seat bearing positioning sleeve. The hydraulic torque converter device can realize the effect of reducing the system torsional vibration under the three working conditions of the low-speed working condition, the transitional working condition of the transition from the low-speed working condition to the high-speed working condition, and the high-speed working condition, can reduce the system torsional vibration to the maximum, and realizes the purposes of stable transmission and uniform loading.

The invention discloses a movable centre mechanism of a numerical control worm grinding wheel gear grinding machine. The movable centre mechanism of the numerical control worm grinding wheel gear grinding machine comprises a centre body and a centre shaft. The centre body comprises a centre base, a cover plate, an upper end cover and a lower end cover. The centre base, the cover plate, the upper end cover and the lower end cover are fixed together, and a cavity is formed among the centre base, the cover plate, the upper end cover and the lower end cover. The upper portion of the centre shaft is arranged in the cavity. The lower portion of the centre shaft penetrates out of the lower end cover. A Morse centre is installed on the centre shaft. A right-angle face is arranged on the upper portion of the center shaft. A first plate type rolling column chain and an inclined inlaid strip are arranged between each of the two straight faces of the right-angle face and the inner wall of the centre base. The bevels of the inclined inlaid strips are matched with the bevel of the inner wall of the centre base. The upper end cover and the lower end cover are both in a threaded connection with a first jackscrew. First locking nuts are arranged on the first jackscrews. The length of the inclined inlaid strips is smaller than the height of the cavity. The first plate type rolling column chains are shorter than the inclined inlaid strips. A tight ejecting mechanism is arranged on the cover plate. By means of the movable centre mechanism, the radial position of a centre and the pressing force of the centre on a workpiece can be precisely adjusted, adjustment is convenient, and adjusting precision is high.

The invention relates to a control system of a stuffed ball maker. The stuffed ball maker is used for manufacturing stuffed balls with stuffing and wrappers and comprises a quantitative feeding device, a wrapper forming device, a stuffing device and a ball shearing device, and the control system comprises a quantitative feeding control unit, a stuffing control unit, a wrapper forming control unit and a ball shearing control unit. The quantitative feeding control unit controls the quantitative feeding device to quantitatively supply stuffing materials and wrapper materials of the stuffed balls. The stuffing control unit controls the stuffing device to quantitatively fill the stuffing materials from the quantitative feeding device into the wrapper forming device. The wrapper forming control unit controls the wrapper forming device to complete wrapping of the stuffing with the wrappers under centrifugal force generated by rotation. The ball shearing control unit controls the ball shearing device to shear the wrappers and coats of the stuffing into independent stuffed balls. The control system of the stuffed ball maker has advantages of high speed, high yield, accuracy in quantification, convenience in maintenance and convenience for extension.

The invention relates to an overturning and lifting integrated driving tea machine. The overturning and lifting integrated driving tea machine comprises a tank pot, a distributing device and a drivingregulating mechanism, wherein the distributing device is arranged above the tank pot, and is used for distributing materials into the tank pot; and the driving regulating mechanism is used for driving the tank pot to perform rotating and discharging and regulating the distributing device to enable the distributing device to avoid the tank pot which is under rotating and discharging state. The overturning and lifting integrated driving tea machine disclosed by the invention is stable in mechanism, reasonable in layout, and stable in operation, and can realize position changing of the distributing device, so that the distributing device can avoid the tank pot which is under the rotating and discharging state, and current operating requirements are met.

The invention belongs to the technical field of coal mine underground development equipment, and particularly relates to an angle-adjustable two-way sliding type drill boom device. According to the technical scheme, the angle-adjustable two-way sliding type drill boom device consists of a sliding seat assembly, a transmission device and a sliding assembly; the bottom end of the transmission deviceis nested on the sliding seat assembly, and the transmission device slides back and forth along a sliding rail along with the sliding seat; and the sliding assembly is nested on the transmission device and slides up and down along the transmission device. The angle-adjustable two-way sliding type drill boom device is compact in structure and good in coordination. A sliding telescopic oil cylinderstretches out and draws back to drive the transmission device to move front and back along the sliding rail, a two-way oil cylinder stretches out and draws back to drive the sliding assembly to slideup and down along a sliding frame of the transmission device, and by being matched with 180-degree rotating of a swing oil cylinder and left-right small angle adjusting of an octave oil cylinder, thedrill boom device can quickly realize the positioning construction operation of top-slope anchor rod and anchor cable holes in different positions and at various angles; and the double-stroke amplification function is achieved when an onboard jumbolter moves up and down through a chain transmission device, double-row heavy plate-type chains are adopted as the chain form, the chains are tightly connected, and a large load can be borne.

The invention provides a wheel type fork loader. A first driving arm mechanism comprises a first pull rod, a first rocker arm and a first fluid hydraulic cylinder. A second driving arm mechanism comprises a second pull rod, a second rocker arm and a second fluid hydraulic cylinder. Therefore, the first fluid hydraulic cylinder upwards drives a main driving arm and uses a pivoting point for the main driving arm and a fork loader body as a shaft, the outer end of the main driving arm upwarps and drives a loading device to upwards move. The second fluid hydraulic cylinder forwards drives the second pull rod and uses a pivoting point for the main driving arm and the loading device as a shaft, the end of the loading device is obliquely and downwards inclines to enable cargoes to slip down. The second fluid hydraulic cylinder backwards pulls back the second pull rod, the loading device is restored to be an non-oblique state. The first fluid hydraulic cylinder downwards drives the main driving arm, and the main driving arm drives the loading device to descend. Therefore, the wheel type fork loader can stably load and unload cargoes loaded by the loading device, is flexible and smooth in actions and is novel and reasonable in structure and high in practicability, and efficiency is remarkably improved.

The invention discloses application of circRNA-PTN to pituitary adenoma biomarkers, and particularly relates to the technical field of purposes of natural ribonucleotide. The length of the circRNA-PTNis 452bp; the circRNA-PTN is positioned on 137254974 to 137251230 on a 7th chromosome of a human body; PTN is a covering gene of the circRNA; the circRNA-PTN is formed by fourth, fifth and sixth exons of the PTN through trans-splicing; the quantity of the circRNA-PTN from a pituitary adenoma tissue sample of an object is detected; the lower-quantity circRNA-PTN has high pituitary adenoma invasiveness and is relevant to the bad prognosis possibility increase of the object. The purpose of the circRNA-PTN is provided. The circRNA-PTN has the application prospects of becoming the pituitary adenoma biomarkers.

The invention discloses a pole pit tamping device for electric power engineering, and belongs to the field of electric power engineering. The pole pit tamping device comprises a conveying vehicle body and a tamping column, a guide sleeve is arranged in the conveying vehicle body, a lifting assembly is arranged in the guide sleeve, and a ground tamping device is arranged on the lower end face of the conveying vehicle body; and the tamping column is movably installed in the guide sleeve, the tamping column is connected with the lifting assembly, an installation sleeve is arranged on the lower end face of the tamping column, and an adjusting assembly is arranged on the outer surface of the installation sleeve. According to the pole pit tamping device for the electric power engineering, pit tamping can be carried out on the surface of a pole pit, the bottom surface of the pole pit and the ground around the pole pit at a time, multiple times of pit tamping is not needed, the pole pit tamping speed is high, the pole pit tamping efficiency is relatively high, the pole pit tamping device can tamp pole pits of different sizes, the applicability is high, the use effect is good, people can conveniently calibrate the position of the pole pit tamping device for the electric power engineering, and a better use prospect is brought.

A gate-shaped tidal current energy generating device carrier and a base type tidal current energy generating device. The carrier of the gate-shaped tidal current energy generation device mainly includes a base and a connecting frame; the base includes legs (1), horizontal beams (2), horizontal short beams (3), long vertical piles (4), short vertical piles (5 ); the connecting frame includes a door standpipe (8), an upper door pipe (9), a lower door pipe (10), a fixed pipe (11) and a bearing device (12). A base type tidal current energy generating device includes a gate-shaped tidal current energy generating device carrier and a hydroelectric generator. The hydroelectric generator can be either a horizontal axis turbine or a vertical axis turbine. The structure is simple, the mechanism is stable, the installation and use are convenient, the manufacturing, construction and operation costs are low, and the shipping and sea surface operations are not affected. development and utilization of resources. It has better start-up and power generation performance, adapts to the flow direction of the power flow, and avoids cable entanglement.

The invention provides a comprehensive multi-function engraving machine comprising a work frame, and is characterized in that both ends of the work frame are respectively fixedly connected with a first slider and a second slider, wherein the first slider and the second slide are engaged with a first Y-shaft slide rail and a second Y-shaft slide rail which are fixed on a mechanism frame; a Y-shaft rack is arranged at the left side of the mechanism frame, and is engaged with a Y-shaft gear; the Y-shaft gear is connected to an output shaft of a Y-shaft motor; and the Y-shaft motor is fixed to the bottom of the work frame.

The invention relates to a reciprocating type feeding mechanism on an LED chip mounting machine, and aims to provide the reciprocating type feeding mechanism on the LED chip mounting machine, which is stable in structure, is high-efficiency and can be used for achieving loading of LED lamp beads in bulk. The reciprocating type feeding mechanism comprises a motor, wherein the motor is connected with a conveying belt, a transmission block base is arranged under the conveying belt, a feeding rail base is arranged on the conveying belt, a feeding rail is arranged on the feeing rail base, a material groove is formed in the feeding rail, and an LED material is arranged in the material groove. In the reciprocating type feeding mechanism, the feeding rail is driven by the conveying belt to move leftwards and rightwards in a reciprocating way, and a material is driven to forwards move to a target station. The reciprocating type feeding mechanism has the advantages of mechanism stability and positioning accuracy, is convenient to use and is suitably applied to production of an LED product.

The invention discloses the application of a novel gastric cancer marker gene circPTPDC1, and relates to the discovery, detection and application of a circPTPDC1 molecular marker. A specific detectingprimer which is used for quantifying PCR in real time is designed and synthesized. The marker gene is provided aiming at the problems that the compliance of target crowds on gastric cancer endoscopicscreening is poor and gastric cancer patients are mostly and clinically diagnosed according to middle and late current situations, an ideal molecular early warning signal is found in the cancerationprocess of the gastric cancer, endoscopic inspection is targetedly conducted, athological diagnosis is conducted to relieve the pain of a patient, and over-treatment is conducted to save medical resources. According to the application, it is discovered that blood circPTPDC1 can be adopted as a marker of lymph node metastasis and monitoring prognosis of the gastric patients.

The invention belongs to the technical field of freezer maintenance, and discloses a freezer accumulated ice break-down mechanism. The freezer accumulated ice break-down mechanism comprises a middle column. Four supporting plates are fixedly connected to the bottom end of the outer side face of the middle column, and the four supporting plates are annularly arranged with the axis of the middle column as the reference. A pop-up groove is formed on the bottom wall of the middle column. A through hole communicating with the pop-up groove is formed in the top wall of the middle column. The bottomwall of the pop-up groove is fixedly connected with one end of a pop-up spring, the other end of the pop-up spring is fixedly connected with the top end of a crushing block, and the crushing block isconnected in the pop-up groove in an inserted manner. According to the freezer accumulated ice break-down mechanism, accelerating force is provided for the crushing block through elastic force of thepop-up spring, and the ice breaking aim is achieved through impacting generated by the crushing block on ice blocks; and meanwhile, through stored force, provided by a first pull rope and a second pull rope, of the mechanism, compared with the manner that a hammer hammers the ice blocks in a freezer, too large force application space is not needed, the mechanism adapts to the narrow space in the freezer better, and accumulated ice of the mechanism is fast broken away.

A scooter with a novel steering mechanism comprises a pedal plate, a rear wheel arranged at the tail of the pedal plate and two front wheels; a steering block is arranged below the head of the pedal plate, and the two front wheels are arranged at the two ends of the steering block respectively; the steering block is in series connection with the head of the pedal plate through a transmission rod, and the transmission rod inclines towards the tail of the pedal plate; the two sides of the transmission rod are each provided with a torsion elastic body located between the steering block and the pedal plate, one torsion elastic body is fixedly connected with the steering block through a fixing part, and the other torsion elastic body is fixedly connected with the pedal plate through a fixing part; and the head of the pedal plate is further fixedly connected with a handholding rod. The handholding rod is fixedly connected to the pedal plate, the handholding rod exerts force so that the steering aim can be achieved, and operation can be easier; and the mechanism can be held with the hand, so that the mechanism is safer. One torsion elastic body is fixedly connected with the steering block through the fixing part, and the other torsion elastic body is fixedly connected with the pedal plate through the fixing part, so that a whole mechanism of the scooter is more stable.

The invention discloses a heavy anti-vibration pipe clamp. The heavy anti-vibration pipe clamp comprises a base, a lower pipe clamp body and an upper pipe clamp body, wherein the lower pipe clamp bodyand the upper pipe clamp body are sequentially connected with the base. The base is connected with the bottom end of the lower pipe clamp body through multiple vibration reducers. The lower pipe clamp body and the upper pipe clamp body are connected through bolts, and a pipe clamp hole is formed. An anti-vibration device is arranged on the inner wall of the pipe clamp hole. Annular mechanical fingers are arranged on the edge of the end of the pipe clamp hole. According to the heavy anti-vibration pipe clamp, the anti-vibration performance and stabilization performance of the heavy anti-vibration pipe clamp to a pipe are improved, the situation that due to pipe vibration, the local stress concentration portion of the heavy pipe clamp is broken is effectively avoided, and the service life of the pipe clamp is prolonged.