41results about How to "Does not affect opening and closing" patented technology

The invention discloses a surgical instrument for a minimally invasive surgical robot and a minimally invasive surgical robot. The surgical instrument comprises a front-end driving portion, a guide rod portion and a tail-end execution portion in sequential connection. The tail-end execution portion comprises a wrist device and a tail-end execution device in sequential connection. The front-end driving portion comprises a deflection driving device, an opening-closing driving device and a rotation driving device. The deflection driving device is used for driving a deflection angle of the wrist device, and the opening-closing driving device is used for driving openness of the tail-end execution device. By the wrist device of the minimally invasive surgical robot, deflection of degrees of freedom of two sides can be realized so as to drive the tail-end execution device to defect without affecting openness of the tail-end execution device, and accordingly surgical operation flexibility of the robot is improved.

The invention relates to power overhauling equipment, in particular to an electric pole climbing platform, which comprises a power supply, a controller, a driving mechanism, a speed reduction mechanism and a traveling mechanism, wherein the controller is connected with the power supply and the driving mechanism respectively; the power supply is used for providing working power for the controller, the driving mechanism, the speed reduction mechanism and the traveling mechanism; the rotating speed and the driving direction of the driving mechanism are controlled by the controller. According to the electric pole climbing platform, a process that feet of a worker step on foot fasteners to climb an electric pole for a long time is avoided, and fatigue caused by overhauling is reduced; the platform is convenient to use, free of influence of ground smoothness of a maintenance site and high in overhauling operation stability and safety; in addition, the worker can directly stand on the platform for equipment overhauling without influence on opening and closing of a cabinet door, so that great convenience is brought to maintenance.

The invention discloses a surgical instrument for a minimally invasive surgery robot and the minimally invasive surgery robot. The surgical instrument comprises a front end driving part, a guide rod part and a tail end execution part which are connected in sequence, and the tail end execution part comprises a wrist device and a tail end execution device which are connected in sequence. The front end driving part comprises a deflection driving device. The front end driving part further comprises an opening-closing driving device and a rotating driving device. The deflection driving device is used for driving the deflection angle of the wrist device, and the opening-closing driving device is used for diving the opening degree of the tail end execution device. According to the surgical instrument, the wrist device of the minimally invasive surgery robot can achieve the deflection of the freedom degree of a single side, the deflection can drive the deflection of the tail end execution device, but the opening degree of the tail end execution device is not influenced, and accordingly the flexibility of the surgical operation of the robot is greatly improved.

A multifunctional aluminum alloy door comprises a door frame, an aluminum alloy door body, a first hidden groove, a second hidden groove, a closed plate, a wall, an aluminum alloy column, a slide column, a hook, a rotating shaft, an aluminum alloy plate and a barb. An aluminum alloy door and window at least comprises a door frame, an aluminum alloy door body, a first hidden groove and a second hidden groove. The aluminum alloy door body is connected with the door frame through a door hinge. The first hidden groove and the second hidden groove are formed in the left inner wall and the right inner wall of the door frame and hinged to the closed plate through hinges respectively. The multifunctional aluminum alloy door has the advantages of having a daily thievery prevention, wind and rain prevention, cold prevention and sunstroke prevention functions, solving the problem that clothes can not be conveniently hung and aired at home through a stretch type clothes hanging device of the multifunctional aluminum alloy door, greatly saving space by arranging a clothes hanging rod in a wall behind the door frame and being convenient to use.

The invention provides an armored ceiling-high door with an attractive appearance. Vertical door frames are arranged on the two sides of the bottom of a door frame, the tops of the vertical door frames are connected through a horizontal door frame to form an n-shaped door frame. The top of an outer side plate of the horizontal door frame is close to an indoor ceiling finished surface. A door leafconnecting part is connected with the corresponding vertical door frame through rotary connectors. The outer side of a door leaf body is provided with a ceiling-high outer door panel, and the inner side of the door leaf body is provided with an inner door panel. Vertical steel edges are arranged on the two sides of the door leaf body. A top steel edge is arranged at the top of the door leaf. Afterthe door leaf is closed, the door leaf body is inside the door frame, the top of the ceiling-high outer door panel is close to an outdoor ceiling finished surface, the bottom of the ceiling-high outer door panel is close to a ground decoration finished surface, and the side, close to the door frame, of the ceiling-high outer door panel is provided with a top decorative plate corresponding to theouter side plate of the horizontal door frame. The door can block the top wall face, ceiling height of the whole door body can be achieved, the door frames on the two sides are exposed to achieve a door sleeve effect, after the door is closed, the door is a whole when looked from the outer side, opening and closing of the door are not affected, in this way, the decorative packaging problem of thedoor is achieved, the overall appearance is attractive, the anti-theft property is good, the safety is high, and the overall cost is saved.

The invention discloses a downward pressing rotation stopping type door opening and closing speed limiter which is composed of a support, a rolling wheel, a pendulum bob, elastic rubber and an installation connecting frame. The main body of the rolling wheel is a cylinder, a shaft is arranged in the center of the left side of the cylinder, a long shaft is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame is arranged at the top end of the long shaft and comprises two rectangular plates, the rectangular plates are perpendicular to the central axis of the long shaft, and pendulum bob connecting holes are formed in the rectangular plates. After the limiter is installed on a door, the rolling wheel is attached to the ground, during door opening and closing, the rolling wheel can be driven to rotate under the friction action with the ground; when the opening and closing speed of the door exceeds a set speed, the pendulum bob swings outwards under the action of centrifugal force to hang a baffle in an annular baffle of the support, the rolling wheel stops rotating, and after the rolling wheel stops rotating, the support rotates around the rotating shaft under the action of friction force, so that the support generates downward pressure, the friction force is increased, and deceleration of the door is achieved. The problem that an existing room door is not limited when the room door is in a semi-opening and semi-closing state is solved.

The invention discloses an anti-hand pinching elevator, which comprises a hoistway and a car arranged in the hoistway; a landing passage is formed at each landing position of the hoistway; each landing passage is provided with a landing door; the face, facing the landing passages, of the car is provided with a car door; the car door and the landing door are respectively connected with a controller capable of controlling a switch of the car door and a switch of each landing door; the car door and each landing door are respectively arranged on the car and the corresponding landing passage through door pockets; normally closed detectors connected with the controller are respectively arranged between columns at both sides of each door pocket and the car door and between the columns at both sides of each door pocket and the landing doors. According to the anti-hand pinching elevator disclosed by the invention, on the basis that gaps of the doors and walls meet the standards, induction detectors are respectively arranged in door gaps, and therefore the safety is further enhanced; the detectors abut on the doors by adopting elasticity, and therefore opening and closing of the doors are not influenced; meanwhile, the gaps are minimum, and the safety is enhanced.

Disclosed is an airflow balance device suitable for blowing-carding cotton road transportation. The airflow balance device is characterized by comprising a card transportation channel, a cotton road observation window, a return air diffusion box, a return air box adjusting plate, a return air pipe and an airflow separation and combination part; a cotton outlet is arranged in the left end of the cotton transportation channel, a cotton inlet is arranged in the right end of the cotton transportation channel, the cotton road observation window is located in the front side of the cotton transportation channel, the return air diffusion box is located at the rear side of the cotton transportation channel and is communicated with the same, the return air box adjusting plate and the air return pipe are sequentially arranged at the top of the return air diffusion box, and the airflow separation and combination part is arranged between the return air diffusion box and the cotton transportation channel; the airflow separation and combination part is commonly formed by filter screens clamped between a box combining part and a mesh plate combing part.

The invention belongs to the technical field of curtain rods, and discloses a splicable curtain rod assembly which comprises a curtain rod body, the curtain rod body comprises a plurality of splicingrods, an inserting rod is fixedly connected to the right end of each splicing rod, a telescopic limiting assembly is arranged on each inserting rod, and an inserting groove matched with the corresponding inserting rod is formed in the left end of each splicing rod. Limiting grooves are formed in the inner bottom wall and the outer bottom wall of the inserting groove correspondingly, every two adjacent splicing rods are spliced with the inserting groove through inserting rods, and the telescopic limiting assemblies are connected with the two limiting grooves correspondingly. According to the curtain rod, through mutual cooperation of the inserting rods, the telescopic limiting assemblies, the inserting grooves, the limiting grooves and the hidden push-pull pieces, splicing and assembling ofthe multiple splicing rods can be achieved, the length of the curtain rod body can be freely adjusted, the requirements for different window sizes can be met, transportation and carrying are convenient, no protruding part exists on the outer surface of the curtain rod body, and ppening and closing of the curtain are not affected.

A multifunctional aluminum alloy door comprises a door frame, an aluminum alloy door body, a first hidden groove, a second hidden groove, a closed plate, a wall, an aluminum alloy column, a slide column, a hook, a rotating shaft, an aluminum alloy plate and a barb. An aluminum alloy door and window at least comprises a door frame, an aluminum alloy door body, a first hidden groove and a second hidden groove. The aluminum alloy door body is connected with the door frame through a door hinge. The first hidden groove and the second hidden groove are formed in the left inner wall and the right inner wall of the door frame and hinged to the closed plate through hinges respectively. The multifunctional aluminum alloy door has the advantages of having a daily thievery prevention, wind and rain prevention, cold prevention and sunstroke prevention functions, solving the problem that clothes can not be conveniently hung and aired at home through a stretch type clothes hanging device of the multifunctional aluminum alloy door, greatly saving space by arranging a clothes hanging rod in a wall behind the door frame and being convenient to use.

The invention relates to an electrochemical water treatment device, which comprises a box body, a door body, a cathode plate, an anode plate and a door body opening mechanism, wherein a linear movement execution mechanism of the door body opening mechanism comprises a movable element and a guide rail; the lower end of the movable element is connected with the door body and can move along the guiderail; a rotating movement executing mechanism comprises a rotating shaft; the rotating shaft is rotationally connected with the outer surface of the top wall of the box body by using the self axial line as the rotating axis and is vertical to the outer surface of the top wall of the box body; one end of the guide rail is fixedly connected with the rotating shaft; when the door body and the box body are in a fixed connection state; the guide rail and the door body are vertical to each other; when the guide rail and the door body are in a dismounted state, the door body can move along the guiderail through the movable element until a pole plate on the door body is completely pulled out from the box body; the door body can rotate through the rotation of the rotating shaft. The electrochemical water treatment device provided by the invention has the advantages that the opening of the door body is simple and convenient; the effective space treatment quantity is improved; the equipment installing space under the same condition is reduced; the adaptation to different work conditions can be realized; the device operation and maintenance are simple and convenient.

The invention discloses a water retaining structure for a trash rack. The water retaining structure comprises the trash rack, wherein a first mounting part is arranged at the top of the upstream faceof the trash rack, and a second mounting part and a third mounting part are sequentially arranged below the first mounting part; a first winding mechanism comprises a first winding drum arranged on the first mounting part, a steel wire rope is arranged on the first winding drum, one end of the steel wire rope is connected with the first winding drum, and the other end of the steel wire rope is connected with the third mounting part; and a second winding mechanism is located between the steel wire rope and the trash rack and comprises a second winding drum and a rubber winding plate in frictionconnection with the steel wire rope, one end of the rubber winding plate is connected to the second winding drum in a wound mode, and the other end of the rubber winding plate is connected with the second mounting part through a connecting piece. Meanwhile, the invention discloses a using method of the water retaining structure. When the steel wire rope is unwound through the first winding drum,the rubber winding plate is unfolded under the action of gravity and attached to the upstream face of the trash rack to achieve the water retaining function; and when the steel wire rope is wound through the first winding drum, the rubber winding plate winds upwards around the second winding drum through friction force with the steel wire rope to achieve the trash holding purpose.

The invention relates to a valve drying box. The valve drying box comprises a box room; side-pulling-type mobile gates are arranged on the left and right sides of the box room; the side-pulling-type mobile gates on each side are opposite-opening-type; the outer end surface of each side-pulling-type movable gate is provided with an L-shaped pulling handle; the side face, which is in contact with the side-pulling-type movable gate on the other side, of each side-pulling-type movable gate is provided with a groove; and a curtain made of an asbestos material is arranged in each groove. According to the valve drying box, the upper parts of the side-pulling-type movable doors on the left and right sides of the box room are separately provided with a groove used for receiving a cross beam; the curtains on the grooves can flexibly block the two sides of the cross beam, so that heat in the box room is prevented from flowing outwards; energy conservation and emission reduction are facilitated; the drying efficiency of valves is improved; the opening and closing of the box room are not affected; and the production efficiency can be ensured.

An foldaway image picking up device includes following parts: (1) a camera body, a lens of imaging located on said of the camera body, (2) a joint plate connected to the camera body by first hinge set and a linking interface on side of the joint plate being used to connect to the signal of computer, (3) a protection cover connected to the joint plate by second hinge set. The camera body can be rotated relatively to the joint plate with first angle range by using first hinge set. The joint plate can be rotated relatively to the protection cover with second angle range by using second hinge set. The invented device can adjust the angle among the camera body, joint plate and protection cover, making these parts possible to be operated in different states. The invention provides features of protecting lens and easy to carry.

The invention relates to an oil seed roasting machine sealing pan cover and pan cover opening and closing device which comprises a pan cover, a feed pipe, an articulated four-link mechanism, a manual operating rod, a transmission shaft, a crank shaft push rod mechanism and an automatic pan cover opening electric control part, wherein a hole where the feed pipe is mounted in a penetrating manner is formed in the center of the pan cover; a bearing is mounted between the feed pipe and the center hole of the pan cover; pan cover hinged shafts are symmetrically mounted on the two sides of the feed pipe; the two ends of the hinged shafts are movably connected with the articulated four-link mechanism symmetrically arranged on the two sides of the pan cover respectively; the transmission shaft connected with the articulated four-link mechanism is arranged at the lower part of the pan cover; the manual operating rod is mounted on the transmission shaft; and the transmission shaft is connected with the crank shaft push rod mechanism arranged at the lower part. According to the device, the pan cover adopts a movable sealed structure, and can be clung to a roller pan port to automatically seal the pan port by the articulated four-link mechanism; the practical effects of flexible pan cover opening and closing, and convenient feeding and discharging can be realized; the pan cover can be opened and closed manually or opened automatically; manual operation and automatic operation do not affect each other; and the device is simple and flexible to operate and convenient to use.

The invention discloses a bale releasing device for round bale machines. The bale releasing device comprises a front forming chamber and a rear cover, the rear cover is located at the rear end of the front forming chamber and is hinged with the same, an opening and closing cylinder is installed on the side face of the front forming chamber, the telescopic end of the opening and closing cylinder is fixed on the rear cover, the bottom end of the front forming chamber is hinged with a movable plate, a retracting cylinder is installed on the side face of the rear cover, the telescopic end of the retracting cylinder is fixed on the movable plate, a square groove penetrating the upper and lower sides of the movable plate is arranged in the middle of the movable plate, and a push unit is installed in the square groove. The bale releasing device is ingenious in design; the movable plate is pressed on the rear cover in forming of the bales, and firmness between the rear cover and the front forming chamber is benefited; the bales can roll to a farther position when the bales are released, the rear cover is unaffected in opening and closing, and agricultural and animal husbandry production is facilitated.

The invention discloses a surgical instrument for a minimally invasive surgical robot and a minimally invasive surgical robot. The surgical instrument comprises a front-end driving portion, a guide rod portion and a tail-end execution portion in sequential connection. The tail-end execution portion comprises a wrist device and a tail-end execution device in sequential connection. The front-end driving portion comprises a deflection driving device, an opening-closing driving device and a rotation driving device. The deflection driving device is used for driving a deflection angle of the wrist device, and the opening-closing driving device is used for driving openness of the tail-end execution device. By the wrist device of the minimally invasive surgical robot, deflection of degrees of freedom of two sides can be realized so as to drive the tail-end execution device to defect without affecting openness of the tail-end execution device, and accordingly surgical operation flexibility of the robot is improved.

The invention discloses a floating dock for partial repair of ship bottom, which comprises an underwater part, including an operation cabin with an opening facing upwards, and the mouth of the operation cabin is in sealing contact with the bottom of the ship to be repaired; the upper water part is connected with one end of the underwater part and is upward Extended, the water surface is located above the liquid level, the water surface includes the cab, the maintenance personnel room, the maintenance personnel room has a personnel pipeline connected with the operation cabin; the sealing drainage mechanism includes a waterproof pad arranged on the edge of the operation hatch, The waterproof pad protrudes upwards, and the inner ring of the waterproof pad is also provided with a gutter that is not connected with the operation cabin. Adopting this invention, the overall tonnage is small and the cost is low, and a water-proof operation cabin cavity can be partially formed at the bottom of the ship to be repaired, which is convenient for personnel to accommodate and perform maintenance.

The invention discloses a quick-release opposite-opened-type power cabin cover for an unmanned aerial vehicle. The quick-release opposite-opened-type power cabin cover is composed of power cabin covers, cabin cover lower supporting plates, quick-release locks, a load bearing frame, and a mooring rope, wherein the power cabin covers are two components with the same structure and adopt overall pneumatic profile design, an ending structure is in a streamline shape, and the power cabin covers are respectively provided with quick inserting clamping holes; the two ends of the mooring rope are respectively connected with the power cabin covers and the strengthening edge of a power cabin firewall; the cabin cover lower supporting plates are fixedly connected with the load bearing frame, the two sides of the cabin cover lower supporting plates are connected with the power cabin covers through connection hinges respectively, the power cabin covers and the load bearing frame are connected to an airframe and fixed through the quick-release locks along the fuselage cross section, and the two power cabin covers are buttoned in a butt joint mode and fastened by the quick release locks; and when states of power cabin equipment and an engine are needed to be checked, the quick release locks are pressed, thus the opposite-opened power cabin covers separate from the top and pulled by the mooringrope to gravity whereabouts, a power device system is quickly maintained and checked, and reliable flying of the unmanned aerial vehicle is ensued.

Disclosed is a digital oil temperature gauge. The digital oil temperature gauge comprises a shell and a temperature measurement probe. A temperature displayer is mounted on the shell, a PCB and a processor are arranged inside the shell, and the PCB is connected with the temperature measurement probe. The shell is provided with control buttons. A control groove is formed in an inner shell, and the control buttons are arranged in the control groove. Two fixing disks are arranged on the inner shell on the two sides of the upper portion of the control groove, a revolving bar is arranged between the two fixing disks, and the revolving bar rotates relative to the fixing disks. The revolving bar is connected to the upper end of a dustcloth, hanging rings are arranged at the lower end of the dustcloth, hanging buckles are arranged on the inner shell of the lower portion of the control groove, and the hanging rings are matched with the hanging buckles. The revolving bar is provided with a torsional spring, one end of the torsional spring is connected with the revolving bar, and the other end of the torsional spring is connected with the fixing disks. By means of the digital oil temperature gauge, real-time temperature monitoring can be achieved, and the using safety of a transformer is guaranteed; a large amount of dust can not enter the control buttons, so that a control device is effectively protected, and the service life is prolonged; the dustcloth can be lifted conveniently, using of the control buttons can not be affected, and opening and closing are convenient.

The invention discloses a rotation stopping type door opening and closing speed limiter which is composed of a bracket, a rolling wheel and a pendulum hammer. The bracket comprises a door connecting plate and three rolling wheel connecting plates, an annular baffle is arranged on the inner side of the right side rolling wheel connecting plate, and two baffles are symmetrically arranged in the annular baffle; a rolling wheel main body is a cylinder, the center of the left side of the cylinder is provided with a shaft, the center of the right side of the cylinder is provided with a long shaft, apendulum bob connecting frame is arranged on the top of the long shaft and comprises two rectangular plates, and the rectangular plates are provided with pendulum bob connecting holes; a mass block is arranged at one end of the pendulum bob, and a pendulum bob connecting shaft is arranged at the other end of the pendulum bob; after the speed limiter is installed on the door, the rolling wheel fits the ground; when the door is opened and closed, the friction between the rolling wheel and the ground can drive the rolling wheel to rotate; when the door opening and closing speed exceeds the set speed, the pendulum bob swings outwards under the centrifugal action, the baffles in the annular baffle of the bracket are hooked, the rolling wheel stops rotating, and the door is slowed down. The problem that an existing door is not restricted when the door is half opened / closed is solved.

The invention provides a pleural fluid collecting and sampling all-in-one drainage bottle. The bottle comprises a hydrops cavity, a water seal cavity and a pressure regulating cavity, the hydrops cavity comprises a cylindrical outer sleeve, an inner hydrops cavity, an annular ring, a shift tray, an outer sleeve top cover ring and an outer sleeve annular magnetic ring; the inner hydrops cavity is shaped like a cylinder, and a bottom opening is formed in the bottom of the inner hydrops cavity; the annular ring is horizontally and fixedly arranged in the hydrops cavity, and an annular ring hole is formed in the center of the circle of the annular ring; the shift tray is horizontally arranged in the inner hydrops cavity, and the shift tray is provided with a shift tray hole plug matched with the annular ring hole, a connecting rod radially connected with the shift tray hole plug and a shift tray annular magnetic outer ring connected with the connecting rod. Accordingly, sampling and sampledelivery can be performed very easily, use of the pleural fluid drainage bottle is not affected, negative pressure in the bottle can be controlled, by means of relative sliding and control of a magnetic ring, the pleural fluid drainage bottle can be opened and locked conveniently at any time, and simpleness and convenience are achieved.

The invention relates to an oil seed roasting machine sealing pan cover and pan cover opening and closing device which comprises a pan cover, a feed pipe, an articulated four-link mechanism, a manual operating rod, a transmission shaft, a crank shaft push rod mechanism and an automatic pan cover opening electric control part, wherein a hole where the feed pipe is mounted in a penetrating manner is formed in the center of the pan cover; a bearing is mounted between the feed pipe and the center hole of the pan cover; pan cover hinged shafts are symmetrically mounted on the two sides of the feed pipe; the two ends of the hinged shafts are movably connected with the articulated four-link mechanism symmetrically arranged on the two sides of the pan cover respectively; the transmission shaft connected with the articulated four-link mechanism is arranged at the lower part of the pan cover; the manual operating rod is mounted on the transmission shaft; and the transmission shaft is connected with the crank shaft push rod mechanism arranged at the lower part. According to the device, the pan cover adopts a movable sealed structure, and can be clung to a roller pan port to automatically seal the pan port by the articulated four-link mechanism; the practical effects of flexible pan cover opening and closing, and convenient feeding and discharging can be realized; the pan cover can be opened and closed manually or opened automatically; manual operation and automatic operation do not affect each other; and the device is simple and flexible to operate and convenient to use.

The invention discloses a closed pressurized aerosol disinfection channel which comprises a main frame structure, spray mechanisms and a pressurization mechanism. The main frame structure comprises a roof, walls and doors which are combined with one another; the spray mechanisms comprise external spray disinfectors, gas outlet pipes, vertical pipes, transverse pipes and mist spray nozzles, the spray sterilizers are communicated with the gas outlet pipes, the gas outlet pipes penetrate the walls and are communicated with the vertical pipes in a channel, the transverse pipes are communicated with the tops and the bottoms of the vertical pipes, the corresponding mist spray nozzles are arranged on two sides of the each transverse pipe, and the internal pressures of the mist spray nozzles are higher than the pressure of the channel; the pressurization mechanism comprises an external air compressor, a compressed air pipeline and pressurization openings, the compressed air pipeline penetrates the walls, and the pressurization openings are formed in four corners in the channel. The closed pressurized aerosol disinfection channel has the advantages that the closed disinfection channel can be pressurized, accordingly, movement of molecules can be intensified, the molecules can be quickly diffused to optional positions of the channel, excellent transport vehicle disinfection effects can be realized, and transport vehicles can be thoroughly disinfected.

The invention discloses a vehicle-mounted gas cylinder rack with an auxiliary gas cylinder loading and unloading function. The gas cylinder rack comprises a cuboid-shaped fixed frame, swing rods and abracket. A plurality of first supporting wheels are arranged on opposite sides of two parallel supporting rods at a certain distance at the bottom of the fixed frame in a length direction at intervals. The two opposite sides of one end of the fixing frame are provided with the swing rods. One end of each swing rod is hinged to the fixing frame, the other end of each swing rod is provided with a second supporting wheel, each swing rod is connected with a connecting rod, the other end of each connecting rod is connected with a tension spring, and the other end of each tension spring is connected to the supporting rod on the same side with the tension spring. The gas cylinder rack has advantages that the fixed frame is unlocked and pulled out in one step, operation efficiency is high, and safety is high too; and rapid locking and unlocking of the gas cylinder on the gas cylinder rack are achieved, a locking state is unique, and reliability is high.

The invention discloses a surgical instrument for a minimally invasive surgical robot and a minimally invasive surgical robot; the surgical instrument includes a front end driving part, a guide rod part, and an end effector part connected in sequence, and the end effector part includes a wrist part connected in sequence. external devices and end effectors. The front end drive section includes a yaw drive. The front-end driving part also includes an opening and closing driving device and a rotating driving device. Wherein, the deflection driving device is used to drive the deflection angle of the wrist device, and the opening and closing driving device is used to drive the opening and closing degree of the end effector. The wrist device of the minimally invasive surgical robot can realize the deflection of unilateral degree of freedom, which can drive the deflection of the end effector without affecting the opening and closing of the end effector, thus greatly increasing the flexibility of robotic surgery. flexibility.

The invention discloses a downward pressing rotation stopping type door opening and closing speed limiter which is composed of a support, a rolling wheel, a pendulum bob, elastic rubber and an installation connecting frame. The main body of the rolling wheel is a cylinder, a shaft is arranged in the center of the left side of the cylinder, a long shaft is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame is arranged at the top end of the long shaft and comprises two rectangular plates, the rectangular plates are perpendicular to the central axis of the long shaft, and pendulum bob connecting holes are formed in the rectangular plates. After the limiter is installed on a door, the rolling wheel is attached to the ground, during door opening and closing, the rolling wheel can be driven to rotate under the friction action with the ground; when the opening and closing speed of the door exceeds a set speed, the pendulum bob swings outwards under the action of centrifugal force to hang a baffle in an annular baffle of the support, the rolling wheel stops rotating, and after the rolling wheel stops rotating, the support rotates around the rotating shaft under the action of friction force, so that the support generates downward pressure, the friction force is increased, and deceleration of the door is achieved. The problem that an existing room door is not limited when the room door is in a semi-opening and semi-closing state is solved.

T he invention relates to an Ethernet transmission line. The Ethernet transmission line comprises two RJ45 connectors and a thin connecting line, wherein each RJ45 joint is provided with a connectingterminal group, the connecting terminal group comprises a first terminal, a second terminal, a third terminal, a fourth terminal, a fifth terminal, a sixth terminal, a seventh terminal and an eighth terminal which are arranged in sequence, the first terminal and the second terminal are a first pair of differential terminals, the third terminal and the sixth terminal are a second pair of differential terminals, the fourth terminal and the fifth terminal are a third pair of differential terminals, and the seventh terminal and the eighth terminal are a fourth pair of differential terminals, the thin connecting wire is connected between the two RJ45 joints, the thin connecting line comprises a first flexible circuit board layer, a second flexible circuit board layer and a spacing layer, the spacing layer is clamped between the first flexible circuit board layer and the second flexible circuit board layer, the first flexible circuit board layer is provided with two first transmission lines,the two first transmission lines are electrically connected with the third terminals and the sixth terminals corresponding to the connecting terminal groups respectively, the second flexible circuitboard layer is provided with two second transmission lines, and the two second transmission lines are electrically connected with the fourth terminals and the fifth terminals corresponding to the connecting terminal groups respectively.