90results about How to "Meet different work needs" patented technology

The invention discloses a manipulator suitable for bird egg grabbing. The manipulator comprises a guide rod; an airbag is coaxially mounted on the guide rod; the upper side of the airbag is connected with an airbag base; the lower side of the airbag makes contact with a slide block; a pressure spring is coaxially mounted with the guide rod, and is positioned below the slide block; a pull rod frame and a grabbing jaw frame are mounted on the guide rod; the pressure spring is positioned between the pull rod frame and the grabbing jaw frame; a pull rod is movably mounted between the pull rod frame and the grabbing jaw frame; a clamping jaw is movably mounted on the grabbing jaw frame; and an egg support is arranged at the tail end of the clamping jaw. In the manipulator suitable for bird egg grabbing, after bird eggs are grabbed by the clamping jaw, the bird eggs are synchronously absorbed by negative pressure, so that the flexible grabbing of the bird eggs is realized, the grabbing reliability is improved, and the positioning precision is reduced; and the manipulator suitable for bird egg grabbing is matched with a roaming egg picking robot to finish the egg picking work to realize automatic egg collection.

The invention relates to a security robot, and belongs to the technical field of security robots. The security robot comprises a shell, a base plate, wheels, a front-wheel damping wrist set structure,a key grouping and locking structure, a multi-degree-of-freedom telescopic structure, a heat-dissipation system and a controller. According to the security robot, automatic monitoring can be achieved, and monitoring information can be transmitted in real time; all switches of a key box are effectively grouped, so that management is facilitated, and disorder of keys is effectively avoided; by adoption of the structural design of the front dual-damping wrist set structure, effective damping can be achieved, and steering is easy; through a multi-degree-of-freedom lifting adjustment structure, multi-degree-of-freedom adjustment of a camera of the security robot can be achieved, different work requirements are met, and patrolling information is effectively synchronized; and through the structural design of the circulating heat-dissipation system, the stability of the temperature and humidity of the internal environment of the security robot can be ensured, and the heat-dissipation efficiency is improved.

The invention discloses a breaking loading roadway repairing machine. A vehicle body part comprises a worktable, a driving device, a running device, an oil tank and a supporting leg, wherein the driving device and the running device adopt a hydraulic transmission mode, the driving device is a hydraulic driving device, is arranged at the rear portion of the worktable and comprises an explosion-proof diesel engine and an oil pump, the explosion-proof diesel engine transmits the oil pump through a coupler, an input port of the oil pump and the oil tank are communicated through an oil path, and an output port of the oil pump and two sets of oil path control valves are communicated through oil paths. Liquid is supplied to the running device and each oil cylinder through the two sets of oil path control valves, the H-shaped supporting leg is arranged at the rear portion of a support of the vehicle body, and the supporting leg is matched with a supporting leg guide rail in a sliding mode.

The invention discloses a pressure-differential classification suction pickup sweeper, which comprises a sweeper chassis. A water tank, an auxiliary engine, a hydraulic driving system, a fan, a garbage can, a blowing-suction-type suction nozzle mechanism, a pure-suction-type suction nozzle mechanism, a sweeping mechanism and a sweeping spraying system are arranged on the sweeper chassis; and the hydraulic driving system and the fan are powered by the auxiliary engine, the blowing-suction-type suction nozzle mechanism is powered by the fan, the sweeping spraying system is powered by a chassis battery, the sweeping mechanism and the garbage can are powered by the hydraulic driving system, the blowing-suction-type suction nozzle mechanism and the pure-suction-type suction nozzle mechanism both communicate with the garbage can, the blowing-suction-type suction nozzle mechanism is used for conducting suction pickup on garbage with the large specific weight, and the pure-suction-type suctionnozzle mechanism is used for conducting suction pickup on garbage with the small specific weight. According to the pressure-differential classification suction pickup sweeper, the garbage, with the different specific weights, such as leaves, floating dust and earth and stone particles can be subjected to separated suction pickup, the pavement sweeping efficiency and cleanliness can be improved greatly, reentrainment can be reduced greatly, and the advantages of high operation efficiency, good cleaning effect, low energy consumption and the like are achieved.

The invention discloses a concentration adjusting anesthesia apparatus for an anesthesia department. The concentration adjusting anesthesia apparatus comprises a base, a water tank, an anesthesia box,a wireless transceiver and an open-source single chip microcomputer are arranged at the top of the base, a first atomizer is mounted inside the water tank, a second atomizer is mounted inside the anesthesia box, the water tank is communicated with a gas mixing box through a diluent conveying pipe, the gas mixing box is communicated with the anesthesia box through an anesthetic conveying pipe, anda first booster pump is mounted at the joint of the diluent conveying pipe and the water tank. The concentration adjusting anesthesia apparatus for the anesthesia department has a wireless control function and is convenient in control, work of medical staff is facilitated, the adding amount of diluents and anesthetics is conveniently adjusted by a diluent adjusting device and an anesthetic adjusting device, different working requirements can be met, the diluted concentration of the anesthetics is monitored by a concentration monitoring device, and the anesthesia apparatus is conveniently correspondingly controlled by the medical staff.

The invention discloses a cylinder type magnetic separator capable of forcing ore discharging. The cylinder type magnetic separator comprises a machine base. Moving rods are movably connected to the machine base in a penetrating mode. Four sets of the moving rods are arranged. The four sets of moving rods are arranged in a parallel mode. Limiting blocks are fixed to the top of the moving rods. Limiting grooves are formed in the position, corresponding to the limiting blocks, of the machine base. Supporting feet are fixed to the bottom ends of the moving rods. Damping springs are connected to the moving rods in a sleeving mode. The damping springs are arranged between the supporting feet and the machine base. A mounting bracket is fixed to the lateral face of the machine base. An open source single chip microcomputer and a material coupling device are mounted on the lateral face of the mounting bracket. Materials are placed in a feeding cabin. Operating of a stirring motor is controlledby the open source single chip microcomputer. An output shaft of the stirring motor drives stirring blades to rotate to stir the materials uniformly. Material caking and failing to achieve magnetic separation are avoided. The cylinder type magnetic separator is guaranteed to work normally, and working efficiency of the cylinder type magnetic separator is greatly improved.

The invention discloses a repairing machine for a broken loading roadway. The machine comprises a vehicle body part and an execution mechanism, wherein the vehicle body part comprises a work table, a driving device, a walking device, an oil tank and supporting legs, the driving device is in hydraulic transmission with the walking device, is a hydraulic driving device placed at the rear part of the work table and comprises an anti-explosion motor and an oil pump, the anti-explosion motor drives the oil pump by a coupler, the input opening of the oil pump is communicated with the oil tank by an oil-way, and the output opening of the oil pump is communicated with two oil-way control valves by the oil-way; liquid is supplied to the walking device and each oil cylinder by the two oil-way control valves.

The invention relates to a film roll locating device for surface film pasting of a plastic product. The film roll locating device comprises locating racks located on the two sides, and a rotary shaftrotationally arranged on the locating racks in the axial lead directions of the rotary shafts through bearings correspondingly; the rotary shaft is broken from the middle part, thus a first rotary shaft body and a second rotary shaft body are formed; the first rotary shaft body and the second rotary shaft body are movably arranged on the locating racks on the two sides in a relatively drawn closeor getting far away manner; and the two ends of a film roll sleeve the inner ends of the first rotary shaft body and the second rotary shaft body correspondingly. The film roll locating device furthercomprises locating pieces which are movably arranged on the first rotary shaft body and the second rotary shaft body correspondingly and can abut against the two ends of the film roll. The film rollcan be replaced conveniently. Furthermore, the film roll can be transversely adjusted in the axial direction to meet different working requirements. In addition, the film roll locating device is simple in structure, convenient to implement and low in cost.

The invention relates to a strip steel wire drawing production line and an assembly-line wire drawing process thereof. The production line comprises a base plate, a material placing device, a guidingdevice and a wire drawing device; the material placing device and the guiding device are sequentially installed on the base plate from left to right, and the wire drawing device is arranged at the upper end of the guiding device and installed on the base plate; the material placing device comprises a material feeding mechanism and a material collecting mechanism, the wire drawing device comprisesa lifting frame, a rotary motor, a non-woven fabric roller brush, a vibration frame, a bump, a rotating shaft and a rotating motor, and the guiding device comprises a working table, a first mounting plate, positioning plates, a second mounting plate, pressing springs, extrusion frames, linear sliding rails, rotating shafts and pressing blocks. The strip steel wire drawing production line and the assembly-line wire drawing process thereof can solve the problems that in the strip steel wire drawing process, the surface of strip steel is uneven, the movement stability is poor, the use range is small, and the adjustability is poor, can achieve the function of automatic wire drawing on strip steel, and has the advantages that the flatness of the strip steel is high, the stability is high, the use range is wide, and the adjustment is flexible.

The invention relates to a clutch braking device. The clutch braking device is characterized in that the clutch braking device (1) comprises a motor mounting seat (12), an internal tooth braking fixed plate (13), an external tooth braking moving plate (14), an overrun clutch assembly (15), a supporting ring (16), a pressing plate (17), a spring (18), a bearing seat (19), an annular piston (20) and a rubber seal ring (21). Meanwhile, the invention further provides a winding machine comprising the device and an operating method of the winding machine. Hook sliding of the winding machine is prevented during ascending or descending process safely and reliably through the setting of the overrun clutch assembly; and meanwhile, the interior of the winding machine creatively adopts the structure of the annular piston, so that the manufacturing technology of components and parts of a hydraulic system is simplified, the production efficiency is greatly improved, and the production cost is reduced.

The invention discloses a fixing device for a computer communication engineering cable, which relates to the technical field of communication engineering, and mainly aims to solve the problem that theworking efficiency is reduced due to the fact that only one cable can be fixed in each operation of an existing fixing device. The device comprises a rack and a plurality of groups of fixing mechanisms, wherein the plurality of groups of fixing mechanisms are all installed on the rack; the fixing mechanism comprises a mounting cylinder, a fixing cylinder, a disc, a connecting rod, a mounting rodand a second arc-shaped plate; a locking mechanism used for locking the disc is further arranged in the mounting cylinder; the locking mechanism comprises a ratchet, a pawl and a spring, the fixing mechanism is installed on a height adjusting mechanism of the rack, and the height adjusting mechanism comprises a motor, a threaded rod and a movable block. By arranging the fixing mechanisms, multiplecables of the same type can be clamped and fixed at the same time, operation is easy, and convenience and practicability are achieved; a locking mechanism is arranged, so that the cable is automatically locked after being clamped and fixed; and the height adjusting mechanism is arranged, so that the height of the fixing mechanism can be adjusted.

The invention relates to a preparation method of eye beautifying cosmetics. Eye shadow filling equipment is used in the method. The eye shadow filling equipment comprises a base, a mounting frame, a belt conveyor, a filling device and a flattening device. The specific method for preparing eye shadows by adopting the eye shadow filling equipment comprising the following steps: raw material stirring, sampling detection, eye shadow filling, powder pressing treatment, inspection delivery and finished product packaging. The filling device comprises a material storage box, a material guide pipe, a fixed cylinder, a sieve plate, a filling mechanism and an auxiliary mechanism, and the flattening device comprises a supporting frame, a fixed block, a flattening brush, a sliding block, a lifting block, a lifting plate, a pushing-squeezing cam, a rotating shaft and a rotating motor. Eye shadow powder is quantitatively filled into an eye shadow compact through the filling device, the filling amountof each time can be adjusted according to actual production requirements, the eye shadow powder in the eye shadow compact is flattened through the flattening device after filling, flatness of the surface of the eye shadow powder is guaranteed, and powder pressing operation in the subsequent processing process is facilitated.

The invention relates to the technical field of soft robots, in particular to a multi-arm soft robot. The robot comprises a main body, an auxiliary part and a fixed base; the main body comprises threeparts including a front part, a middle part and a rear part, the auxiliary part comprises a gas pump and a single-chip microcomputer control unit, and the gas pump and the single-chip microcomputer control unit are installed on the fixed base. By means of the soft robot, the front head part of the robot can be controlled to arrive at a specified position, the robot can penetrate through a narrow-slit area by changing the diameter, different kinds of work can be completed by carrying different devices, and the robot is high in environmental adaptability and capable of carrying out multiple operations. The soft robot can conduct rescue in ruins after an earthquake, and can even have great influences on the field of medical care, industrial assembly and the like.

The invention discloses a multidirectional movement electrical equipment overhaul stand, which comprises a supporting mechanism arranged outside a telegraph pole in a sleeving mode, the top of the supporting mechanism is rotationally provided with an overhaul stand body, the overhaul stand body comprises a rotating disc rotationally connected to the top of the supporting mechanism, and a clamping groove arranged outside the telegraph pole in a sleeving mode is formed in the middle of the interior of the rotating disc. The invention relates to the technical field of power maintenance. According to the multi-directional movement electrical equipment overhaul stand, the overhaul stand body and the lifting table mechanism are supported by arranging the supporting mechanism, a worker can stand on the lifting table mechanism to conduct overhaul and maintenance operation, the space of the lifting table mechanism is wide, and the worker can stand to work more stably and safely; and meanwhile, the overhauling table and the lifting table mechanism can be attached to the supporting mechanism and the telegraph pole to rotate, then electrical equipment above the overhauling table and the lifting table mechanism can be comprehensively overhauled in a circle, the lifting table mechanism can also ascend and descend on the fixing frame, then the lifting table can be lifted to a higher height, and overhauling operation is further facilitated.

The invention discloses a double-head automatic polishing machine. The machine comprises a frame; a base is fixedly arranged in the center of the frame; a polishing head capable of rotating is arranged on the base, and is driven to rotate by a first motor beside the base; two polishing mechanisms are symmetrically arranged on two sides of the base; and the polishing mechanisms include polishing arms, fixed bases mounted on the polishing arms, second motors on the fixed bases, and polishing wheels driven by the second motors. The double-head automatic polishing machine adopts two polishing mechanisms symmetrically arranged corresponding to polishing heads, can polish workpieces from different angles to achieve high working efficiency, can be provided with polishing wheels with different materials to satisfy different working demands, and is uniform in polishing strength and excellent in polishing effect. The positions of the polishing arms can be adjusted to adapt to various workpieces with complex shapes, in particular, concave surface products; the consumable loss of the polishing wheels can be automatically compensated; and a dust sucking device is additionally provided, so that the application range is wide, and the generality is high.

The invention relates to a multi-degree of freedom adjustment structure for a security robot, and belongs to the field of security robots. The multi-degree of freedom adjustment structure for the security robot comprises a fixing support seat, an electronic push rod, a spring wire, a sleeve, a shock absorption platform, a cloud platform and a camera, and the electronic push rod includes a drivingmotor, a driving motor supporting tube, a worm, a lifting screw rod and a stroke switch. The invention provides the multi-degree of freedom adjustment structure for the security robot, and the multi-degree of freedom adjustment of the camera of the security robot is achieved to meet different working requirements; the drive motor drives the screw rod to move up and down, the stroke control is moreprecise, and the lifting reaction speed is faster; the conditions that the camera can be powered and video signal transmission is normal can be ensured while the lifting mechanism moves up and down,and the case that the disconnection of a wire caused by the movement of the push rod affects the normal operation of the security robot is avoided.

The invention provides a solar energy and wind energy comprehensive power generation system. The system is characterized by comprising a controller, an inverter, a wind turbine generator set and a photovoltaic power generation device, wherein the controller and the inverter are respectively electrically connected with the wind turbine generator set and the photovoltaic power generation device; the wind turbine generator set comprises a rack, a storage battery, a fan arranged at the upper part of the rack and a speed increaser arranged at the bottom of the fan; the fan comprises an outer frame, a main shaft arranged inside the outer frame and a plurality of vanes arranged on the main shaft; the photovoltaic power generation device comprises a rack, a photovoltaic panel arranged on the rack, a rotating shaft which is connected with the rack and can rotate, a motor which is used for driving the rotating shaft to rotate, a first power generation panel and a second power generation panel, and the first power generation panel and the second power generation panel are arranged on the rotating shaft. The solar energy and wind energy comprehensive power generation system can be used for adaptively generating electricity according to current wind and sunlight condition, and regulating the threshold value according to electricity consumption and local sunlight situation.

The invention discloses forging equipment for small hardware production, and relates to the technical field of small hardware production equipment. In order to solve the problem that to-be-forged workpieces are rotated manually, the forging equipment comprises a base board, a workbench and a forging hammer; a lead screw is arranged between the base and the workbench; the lead screw is sleeved witha movable base; the top of the movable base is fixedly provided with a supporting board in a welding mode; the supporting board is provided with a rotary shaft through a bearing; a grooved pulley mechanism is arranged on the right portion of the rotary shaft and comprises a second motor, a drive shifting plate and a driven grooved pulley; a third motor is installed at the position, over the workbench, of the top of a mounting frame; a rotary rod is welded and fixed to the end portion of an output shaft of the third motor; a T-type rod is connected with the front side of the rotary rod in a matched mode; and the forging hammer is welded and fixed to the bottom end of the T-type rod. Through arrangement of a first motor, the lead screw, the movable base, the grooved pulley mechanism, the third motor, the rotary rod and the T-type rod, the forging portion can be continuously adjusted, forging is made more sufficient, and the forging efficiency is improved.

The invention discloses a land plowing and preparation device for sweet potato planting. The land plowing and preparation device comprises a vehicle frame, a rotary tillage unit and a leveling unit, wherein the rotary tillage unit and the leveling unit are mounted on the vehicle frame; the rotary tillage unit comprises rotary tillage assemblies, a first rotating disc, a first connecting rod and a mounting rod; the leveling unit comprises a second motor, a second rotating disc, a movable rod, a pressing rod and a leveling plate; and a soil crushing unit is arranged between the rotary tillage unit and the leveling unit, and the soil crushing unit comprises a hollow shaft, a driving mechanism for driving the hollow shaft to rotate, a fourth rotating disc, a third rotating disc, a second connecting rod, a supporting rod and a crushing blade. The rotary tillage unit is arranged, so that the working efficiency is improved while the rotary tillage assemblies are effectively protected; the rotary tillage depths of the three groups of rotary tillage assemblies are synchronously adjusted to meet different working requirements; the leveling unit is arranged, soil is flattened and trowelled, and a better leveling effect is achieved; and the soil crushing unit is arranged, a movable block drives a driving rod to reciprocate, the movement range of the supporting rod is further expanded, and the soil crushing efficiency is improved.

The invention discloses a cable loading crane with a loading rapid walking and hoisting functions. The cable loading crane comprises a machine frame, the top of the machine frame is correspondingly provided with an internet-of-things device and an open-source single-chip microcomputer, the machine frame is provided with a hoisting mechanism, moreover, a monitoring device is arranged at the position, corresponding to the hoisting mechanism, of the machine frame, width adjusting devices are arranged on the left side and the right side of the machine frame, and moving devices are installed at theends of the width adjusting devices. According to the cable loading crane with the loading rapid walking and hoisting functions, the operation condition of the hoisting mechanism is monitored throughthe monitoring device, then the fault can be conveniently removed in time, the use safety of the cable loading crane is greatly improved, the cable loading crane is wirelessly controlled through theinternet-of-things device, the intelligent degree of the cable loading crane is high, the control is convenient, convenience is provided for the work of related personnel, the working width of the cable loading crane is adjusted through the width adjusting devices, the adjustment of the cable loading crane is convenient, and the different working requirements can be met conveniently.

The invention discloses a dual-motor parallel serial driving module. A main driving motor is connected with a first input shaft; the first input shaft is connected with an output shaft through a speed reducing gear pair and is used for supplying first output power to the output shaft; a second input shaft is parallel to the first input shaft and is connected with the output shaft through a gear pair; two integrated clutches are connected with the second input shaft; and an ISG motor and an engine are connected with the clutches so as to supply second power output to the output shaft. The invention also relates to a vehicle with the dual-motor parallel serial driving module. According to the technical scheme, a convenience is brought to the arrangement of the whole vehicle.

The invention relates to a method for preparing eye cosmetic cosmetics, which uses an eye shadow filling equipment, the eye shadow filling equipment includes a base, a mounting frame, a belt conveyor, a filling device and a smoothing device, using the above eye shadow The specific methods of eye shadow preparation by filling equipment are as follows: raw material mixing, sampling inspection, eye shadow filling, powder pressing, inspection and delivery, and finished product packaging. Installing mechanism and auxiliary mechanism, the smoothing device includes a support frame, a fixed block, a smoothing brush, a sliding block, a lifting block, a lifting plate, a pushing cam, a rotating shaft and a rotating motor. The invention quantitatively fills the eye shadow powder into the eye shadow tray through the filling device, and can adjust the filling amount each time according to the actual production needs. After filling, the eye shadow powder in the eye shadow tray is smoothed by a smoothing device, To ensure the smooth surface of the eye shadow powder, it is convenient to carry out powder pressing operation in the subsequent processing process.

The invention relates to a processing system for preparing eye shadow as an eye beauty cosmetic. The processing system comprises bases, a mounting frame, a belt conveyor, a filling device and a flattening device, and the two bases are arranged bilaterally symmetrically; the belt conveyor is mounted between the inner sides of the two bases, and the mounting frame is mounted between the upper ends of the two bases; the filling device is installed at the front end of the mounting frame, and the flattening device is installed at the rear end of the mounting frame; and two rows of filling openingswhich are evenly formed from left to right are formed in the front end of the mounting frame. According to the processing system, eye shadow powder is quantitatively filled into an eye shadow palettethrough the filling device, and the filling amount of each time can be adjusted according to actual production requirements; the filled eye shadow powder in the eye shadow palette is flattened throughthe flattening device, and the surface flatness of the eye shadow powder is guaranteed; and the powder pressing operation in the subsequent processing process is facilitated.

The embodiment of the invention provides a pixel driving circuit and a display panel. The pixel driving circuit adopts a 2T2C circuit structure. The first transistor T1 or the second transistor T2 iscontrolled to keep normally open through a normal signal; the transistor of which the grid electrode is connected with a normal signal and the normally open transistor is connected with a common end;and a row scanning signal and a data signal are accessed to the other transistor to serve as a driving switch, so that a liquid crystal capacitor and a storage capacitor are charged, the pixel drivingcircuit can alternately work at a low frequency or a high frequency through the first transistor T1 and the second transistor T2, and different working requirements are met.

The invention relates to an external page turning mechanism and a page turning mechanism operating method, comprising a primary overturn mechanism, a roll gang and a secondary overturn mechanism, wherein the primary overturn mechanism is connected with the left end of the roll gang, the secondary overturn mechanism is connected with the right end of the roll gang, the primary overturn mechanism comprises a vacuum suction nozzle and a cam linkage mechanism, the cam linkage mechanism comprises a cam disk and a support connecting rod, the vacuum suction nozzle is fixed with the upper end of a support disk, and the support connecting rod is fixed with the lower end of the support disk. By adopting the mechanism and the mechanism operating method disclosed by the invention, an operation of turning the cover of a notebook from the bottommost side to the uppermost part can be completed by manual operation, thus having the characteristics of being high in efficiency and high in mechanical degree.

The invention provides a tool for disassembling and assembling a balance wheel shaft. The tool comprises a machine base, a reversing assembly, an impact assembly and an operation assembly. The machine base comprises a bearing table and a positioning sleeve, the positioning sleeve is arranged above the bearing table, and the positioning sleeve is connected with the bearing table through a connecting arm. The reversing assembly comprises an outer sleeve and an inner sleeve, the outer sleeve is arranged in the positioning sleeve in a height-adjustable mode, the inner sleeve is rotatably arranged in the outer sleeve, and a plurality of spiral grooves are formed in the inner side wall of an adjusting section of the inner sleeve. The impact assembly comprises a connecting piece and a punch, and the punch is detachably arranged on the bottom face of the connecting piece. The operation assembly comprises an impact hammer and a guide plunger, the impact hammer is arranged in the inner sleeve in a liftable mode, and the guide plunger is arranged in a mounting hole in the side wall of the impact hammer in a telescopic mode. According to the tool for disassembling and assembling the balance wheel shaft, the balance wheel shaft can evenly bear impact force in the disassembling and assembling process, and therefore the operation difficulty of workers is lowered.

The invention relates to a novel hydraulic cylinder. The novel hydraulic cylinder comprises a cylinder barrel, a cylinder bottom and a guide sleeve connected with the cylinder barrel, a piston and a piston rod arranged in the cylinder barrel, and a travel adjusting mechanism embedded in the cylinder bottom, wherein the cylinder bottom is provided with a mechanical chamber capable of embedding the travel adjusting mechanism, and a step through hole communicated with the mechanism chamber and leaded to the external of the cylinder bottom; the travel adjusting mechanism comprises an adjusting pressure block, a spring, an electromagnet and a support rod; the electromagnet is fixed with the mechanism chamber; one end of the support rod is connected with the adjusting pressure block, and the other end penetrates through the electromagnet to be inserted into the step through hole; the spring coats the external of the support rod positioned between the adjusting pressure block and the electromagnet; and a lead of the electromagnet penetrates outside from the step through hole. The novel hydraulic cylinder has the advantages of convenience for travel adjustment, satisfaction of different working requirements, high adjusting precision, good flexibility, simple operation, low use cost, wire application range and excellent promotion prospect.

The invention provides an underground garage access control speed-reducing device with a flood prevention function. The underground garage access control speed-reducing device includes an access control system and a speed bump, the access control system includes main and auxiliary access control box bodies relatively arranged on both sides of road, the two ends of the speed bump are correspondingly and rotatably connected to the inner sides of the main and auxiliary access control box bodies, and the speed bump is connected to a main motor in the main access control box body; the speed bump is of a columnar structure with different heights on upper and lower sides, the lower side is a speed bump for passing, the higher side is a speed bump for flood prevention, a water baffle core is rotatably arranged in an accommodation groove formed in the center of the speed bump, the water baffle core includes a core shaft and a water baffle wound on the core shaft, the core shaft is connected with an output shaft of an auxiliary motor in the auxiliary access control box body, and a free end of the water baffle can slide up-down along a guiding rail formed in the inner side of the main and auxiliary access control box bodies. According to the underground garage access control speed-reducing device with the flood prevention function, the speed bump can be combined with a flood prevention device, and the number of device settings and occupied space are reduced.

The invention discloses a dual-layer dense dot mode CT puncture assistant positioning device convenient to operate. The device comprises a base, an open-source single-chip microcomputer, a regulatingmechanism and an angle regulating device are installed at the top of the base separately, distance regulating devices are vertically and symmetrically installed at the end of the angle regulating device, positioning nets are fixedly arranged at the ends of the distance regulating devices, and a positioning mechanism is installed at the end of the regulating mechanism. According to the dual-layer dense dot mode CT puncture assistant positioning device convenient to operate, the working position of the positioning mechanism is regulated through the regulating mechanism, the positioning device isgood in flexibility and high in mechanical degree, the working capability of the positioning mechanism is greatly improved, the puncture position is positioned through the positioning mechanism, theintelligent degree is high, positioning is accurate, the puncture precision is greatly improved, the working positions of the positioning nets are regulated through the angle regulating device and theinterval regulating devices, regulation is convenient, and different working requirements are met conveniently.

The invention discloses a lifting device for a smooth surface wheel road roller. The lifting device for the smooth surface wheel road roller comprises a traction engine frame, a lifting base is connected to one end of the top of the traction engine frame through bolts, a rotating disc bottom seat is connected to the top of the lifting base through bolts, a rotating disc is connected to the top ofthe inner wall of the periphery of the rotating disc bottom seat in a sleeving mode through bearings, a lifting arm bottom seat is connected to one end of the top of the rotating disc through bolts, and lifting arms are connected to the inner walls of the two sides of the lifting arm bottom seat in a sleeving mode through bearings. According to the lifting device for the smooth surface wheel roadroller, the lifting arms capable of rotating along the rotating disc are arranged at the top of the device, multi-angle adjustment can be carried out, hydraulic rods are arranged in the lifting arms so that the lifting arms can stretch and shrink, the practicability of the device is higher, different working requirements can be met, a mode that two wheel fixing plates clamp wheels of the smooth surface wheel road roller is adopted in a fixing mode of lifting, the wheels of the smooth surface wheel road roller are fixed through threaded connecting rods in a threaded mode, the safety of operators can be ensured, and the damage to the smooth surface wheel road roller is very small.