39results about How to "Simple and reliable drive" patented technology

The invention discloses an instrument for a robot-assisted micro-invasive surgery. The instrument comprises a driving device, a connecting guide pipe and a terminal executing device which are sequentially connected; the driving device comprises a base, three driving shafts are rotationally arranged on the base through a bearing, and each driving shaft is fixedly sleeved with a screw roller and a cohesion block; the terminal executing device comprises a clamp seat and an opening and closing clamp, wherein the clamp seat is fixed at the front end of the connecting guide pipe, the opening and closing clamp consists of a left opening and closing clamp body and a right opening and closing clamp body, and the wire rollers connected with the left opening and closing clamp body and the right opening and closing clamp body and the left opening and closing clamp body and the right opening and closing clamp body are arranged on a hinge pin of the clamp seat; the connecting guide pipe, the left opening and closing clamp body and the right opening and closing clamp body are respectively connected with a screw driving system. The instrument provided by the invention is compact in structure, light in weight and high in driving precision, and the quick-changing efficiency of the instrument can be improved.

The invention provides a robot walking mechanism which comprises a mounting part, a driving mechanism and a guide mechanism, wherein the guide mechanism comprises a front guide module and a rear guide module; the front guide module and the rear guide module are same in structure and comprise support rods, guide blocks and guide wheel groups; the guide blocks can be rotatably arranged on the support rods; two ends of the guide bocks are arranged on the guide wheel groups; the bottom ends of the support rods of the front and rear guide modules are respectively arranged at two ends of the mounting parts; and the driving mechanism is arranged on the mounting part in a manner of moving left and right. The guide mechanism and the driving mechanism can adapt to a curve, so that the robot walking mechanism can turn a corner without assistance of an auxiliary device and is simple in structure.

The invention discloses a dual-power concrete mixing pump truck which comprises a vehicle chassis, an engine, a transfer case, a generator, a hydraulic system, a mixing motor, a mixing device, a pumping device, a distributing device, a supporting device and an electric control system. The engine, the transfer case, the generator, the hydraulic system, the mixing motor, the mixing device, the pumping device, the distributing device, the supporting device and the electric control system are arranged on the vehicle chassis, the pumping device, the distributing device and the supporting device are driven by the hydraulic system, the mixing device is driven by the mixing motor, the electric control system comprises a power conversion device, and the mixing motor can be electrically connected with an external power supply or the generator through the power conversion device. The engine and the external power supply provide two types of power for the dual-power concrete mixing pump truck, the external power supply provides conventional power for the mixing device, and the engine provides conventional power for the hydraulic system and standby power for the mixing device.

The invention discloses a flexible trolley switching system, which is characterized by comprising a drive switching unit and a driven positioning unit, the drive switching unit is provided with a rotatable and axially movable cylinder, a shifting shaft radially penetrating through the cylinder is arranged at the front end of the cylinder, the driven positioning unit is provided with a drum capable of rotating, the drum and the cylinder are positioned on the same axis, a plurality of open shifting shaft holes matched with the shifting shaft are arranged on the front end face of the drum, the shifting shaft is pushed into one open shifting shaft hole to realize butt joint of the cylinder and the drum, the open shifting shaft holes are positioned on the drum at different circumferential angles, the shifting fork can be selectively in butt joint with the open shifting shaft holes at the different circumferential angles, and four positioning systems of different models are distributed on the periphery of the drum by 90 degrees to form four stations. The flexible trolley switching system is used for switching models of multi-platform and multi-model flexible trolleys, thereby guaranteeing production of various models on the same white trolley body welding production line.

The invention relates to a deceleration clutch for a washing machine.The deceleration clutch comprises a motor, an input shaft, an input shaft sleeve, a wheel system, an output shaft and an output shaft sleeve.One end of the input shaft is connected with a rotor of the motor, and the other end of the input shaft is connected with the wheel system.The portion, close to the rotor of the motor, of the input shaft is provided with a torque shaft sleeve of a disc structure, the torque shaft sleeve is provided with spline teeth, and the torque shaft sleeve and the input shaft are integrally formed.The deceleration clutch is simple in structure and convenient to assemble.

The invention relates to a system for laying underground cables or underground lines in the ground near the surface, in a borehole (102) along a laying route (101) between a start point (100) and a target point (110), comprising a boring device (10) comprising an advancing head (12) for creating the borehole (102), a drilling rod (11) and / or a casing (14), wherein the diameter of the advancing head (12) is greater than the diameter of the casing (14) or of the drilling rod (11), so that an annular space (121) is formed between the borehole wall (102) and the casing (14) or the drilling rod (11) and the annular space (121) is provided with lubrication and wherein the advancing head (12) relates to a displacement drilling head (15, 16, 41) or a drilling head system (18) comprising a drillingtool (19) and a drilling tool drive (22) for loosening the ground.

The invention relates to a synchronous rectifier control circuit and belongs to an electronic circuit technology. A rectifier tube is turned on and off through detecting the leakage source pressure difference of the rectifier tube; the synchronous rectifier control circuit comprises a voltage detection module, a synchronous rectifier logic control module and a drive module; the voltage detection module is used for detecting the leakage source pressure difference of the rectifier tube; the synchronous rectifier logic control module is used for controlling the minimum conduction time of the rectifier tube and avoiding the oscillation after the rectifier tube is turned on; the drive module is used for providing grid electrode drive. The synchronous rectifier control circuit provided by the invention has the benefits that a drive mode is simple and reliable; the power consumption of the rectifier can be greatly reduced, the temperature of a rectifier bridge is reduced, and the system reliability is improved; meanwhile, the lower conduction loss can be realized, the overall efficiency of a power generator is improved, and the effects of energy conservation, cleanness and environmental protection are realized.

The invention provides a multistage robot lifting device which comprises a driving module and a plurality of stages of lifting modules. The lifting modules comprise transmitting mechanisms and bayonet locks; the transmitting mechanisms comprise guide rails and conveying belts, top pulleys and bottom pulleys are respectively arranged at the upper ends and the lower ends of the guide rails, and the conveying belts bypass the top pulleys and the bottom pulleys; the conveying belts are clamped by the bayonet locks; and the transmitting mechanism of the first stage lifting module of the lifting modules is connected with the driving module, and the transmitting mechanism of the next stage lifting module is connected with the conveying belt of the last stage lifting module. The multiple stages of lifting modules are sequentially driven by the conveyer belts to operate, the lifting modules can move in the same distance at the same time, and the lifting and descending speed can be quickened.

The invention relates to a deceleration clutch for a washing machine.The deceleration clutch at least comprises a clutch shaft sleeve capable of sliding up and down and a shifting fork for driving the clutch shaft sleeve.The clutch shaft sleeve slides up and down to be connected with a torque shaft sleeve and a fixed shaft sleeve respectively to achieve dehydration and washing.The clutch shaft sleeve is located in a cavity of a stator of a direct drive motor.One end of the shifting fork is located in the cavity of the stator, makes contact with the clutch shaft sleeve and shifts the clutch shaft sleeve to move axially.The other end of the shifting fork is located outside the cavity of the stator.The shifting fork is driven by a driving device to move.A buffer structure is arranged between the driving device and the shifting fork and is an elastic part.Force used for compressing or stretching the elastic part is larger than force used for shifting the clutch shaft sleeve.

The invention provides a drum type sand mixer and a sand mixing method thereof. The sand mixer comprises a drum and an airtight shell. The drum is transversely arranged in the airtight shell in the axis direction. The airtight shell is provided with a vacuum pipe, and the vacuum pipe is used for being connected with vacuumizing equipment so as to pump air in the airtight shell. A rotor and / or a roller are / is further transversely arranged inside the sand mixer. During sand mixing, sand and auxiliary materials are fed into a hopper of a drum, vacuumizing treatment is conducted, drying mixing is conducted, and wet mixing is conducted after vacuum is removed so that mixed sand can be obtained. According to the drum type sand mixer and the sand mixing method thereof, vacuum sand mixing is adopted, so that the influence of air on very light materials is avoided or reduced, the loss that light materials are pumped away by a dust remover is avoided, and sand mixing uniformity is improved. By the adoption of the drum type structure, the drum and the rotor are transversely arranged, a sand mixing dead zone is avoided, the stirring effect is improved, and thus the sand mixing uniformity is improved, the sand mixing quality is improved, and energy consumption is lowered.

A device for dry battery (10, 20) (200), whose character is: used to generate heat heating institution (230), used to absorb through release water to regeneration of desiccant (260), described in the desiccant can absorb moisture from the battery (10, 20). Opening (220), water can be described through the opening from the battery (10, 20) reach the desiccant (260); And closed parts (240), described in the enclosed parts can use the heat generated to closed openings (220). Battery (10, 20), battery system, vehicle and method for dry battery (10, 20).

The invention discloses chemical reaction equipment used for material preparation. By arranging a cleaning assembly, cleaning is convenient and simple; by the adoption of magnetic driving, driving issimple and reliable, so that the efficiency of brushing is improved greatly; before feeding, a feeding assembly is preheated, so that all raw materials are uniform in temperature during feeding, bad influences of temperature on a reaction are reduced, and material slag caused by non-uniform temperature is prevented. By arranging a stirring plate, large-particle objects of the reaction materials orslag after the reaction can be smashed and filtered, so that the reaction effect is improved, and incompleteness existing in the reaction is prevented; through a stirring assembly, the stirring platecan primarily stir and sieve the raw materials, and it is avoided that the particle size of the raw materials is not uniform, and as a result the chemical reaction is not complete; through two different-size stirring paddles, the raw materials can be stirred at two different degrees, accordingly, eddies of a kettle are formed, the efficiency of stirring is improved, and the preparation time for materials is shortened.

The invention discloses an expandable retractor used for a breast tumor surgery. By rotating a handle, a tail-end jaw is expanded for support tissue around a surgery cut of the breast surgery in order to provide vision and operation space for a doctor's surgery. The expander is mostly composed of two parts including a motion unit part and a main body structure of the expander. The motion unit part comprises a vertical motion unit (1), a horizontal motion unit (2), and self-locking devices (3). The structure of the expander is composed of a fixing rack (4), an adjusting handle (5), a lead screw (6), a nut (7), a guide rail (8), a middle connecting plate (9), an adjusting connecting-rod group (10), a main shaft of a mechanism (11), a middle driving shaft (12), and the tail-end jaws (13). The expandable retractor used for the breast tumor surgery has following beneficial effects: by rotating the adjusting handle (5), open-close movement of the tail-end jaw (13) can be controlled so that tissue around the cut can be finished expanding; by adjusting the vertical (1) and horizontal motion unit (2), the retractor is inserted into the cut and expand and support tissue. Therefore, vision and operation space are provided for a doctor.

The invention relates to the technical field of logistics carrying equipment, and discloses an AGV parking system. The AGV parking system comprises a three-dimensional parking frame and an AGV body, wherein the three-dimensional parking frame comprises at least two layers of parking garages which are arranged up and down; the AGV body comprises a supporting frame and two lifting devices; the supporting frame is provided with a parking space for parking a vehicle; the two lifting devices are separately arranged on two opposite sides of the supporting frame; each lifting device is provided witha clamping device for supporting and clamping the vehicle; and the lifting devices are used for driving the clamping devices to ascend and descend in the parking space so as to drive the vehicle to ascend and descend to adapt to the two layers of parking garages. According to the AGV parking system, when the AGV body clamps the vehicle, the vehicle enters the parking space in the length direction,and enters the parking space on the three-dimensional parking frame in the length direction, therefore, the width and the length of the three-dimensional parking frame only need to be slightly greater than the width and the length of the vehicle body, the size of the three-dimensional parking frame does not need to be increased, the requirement on the minimum width of the garages on the market ismet, and the space is saved.

The invention relates to a paper folding type wheel with the variable width. The paper folding type wheel comprises a reducing wheel carrier and a wheel shaft installed on the reducing wheel carrier.The reducing wheel carrier comprises a plurality of folding units sequentially connected end to end to form a ring. Each folding unit is provided with a first plane, a second plane, a third plane, a fourth plane, a fifth plane and a sixth plane; a first valley fold line is arranged between the first plane and the second plane and is symmetrically arranged by taking the first valley fold line as acenter; a first mountain fold line is arranged between the third plane and the fourth plane and is symmetrically arranged by taking the first mountain fold line as the center; a second valley fold line is arranged between the first plane and the third plane, a third valley fold line is arranged between the second plane and the fourth plane, the fifth plane and the sixth plane are symmetrically arranged with the first valley fold line as the center, and the fifth plane and the sixth plane are connected with the first plane and the second plane respectively. The paper folding type wheel with thevariable width can adjust the width of the variable-diameter wheel carrier, and belongs to the technical field of variable-width wheels and variable-diameter wheels.

The invention relates to a deceleration clutch for a washing machine. The deceleration clutch comprises a shell, a brake wheel in the shell and a wheel system in the brake wheel, and further comprises a clutch shaft sleeve capable of sliding up and down and a shifting fork driving the clutch shaft sleeve. A brake belt is arranged between the shell and the brake wheel. The brake belt surrounds the brake wheel, one end of the brake belt is fixedly installed on the shell, and the other end of the brake belt stretches out of the shell to be connected with a brake arm. The brake arm is arranged on a center shaft. The center shaft is fixedly installed on the shell. A connecting arm is arranged on the center shaft and located on the lower portion of the brake arm. The brake arm drives the connecting arm to move. The connecting arm drives the brake belt and the shifting fork to move, and the clutch shaft sleeve is driven to slide up and down to be connected with a torque shaft sleeve and a fixed shaft sleeve respectively to achieve dehydration and washing.

A direct-drive double wing scooter includes a frame, an actuation assembly, a drive assembly, and a transmission assembly. The actuation assembly includes left and right swing wings each pivoted close to a front end of the frame through a pivot. The drive assembly includes a first turning shaft and a second turning shaft penetrating two sides of the frame. A distance between the first turning shaft and the pivot is defined as a first distance. A distance between a rear end of the right swing wing is defined as a second distance, or a distance between a rear end of the left swing wing is defined as a second distance. The first distance is in the range of 0.10-0.65 times the length of the second distance. The direct-drive double wing scooter provides a simple and reliable drive way and has transportation, amusement and fitness effects.

A direct-drive double wing scooter includes a frame, an actuation assembly, a drive assembly, a transmission assembly and a rear wheel disposed at rear end of the frame. The drive assembly includes a first turning shaft and a second turning shaft, and the first turning shaft is disposed at a front end of the frame, the second turning shaft is disposed at the rear end of the frame. A distance between the second turning shaft and the wheel axle of the rear wheel is less than a diameter of the rear wheel, preferably, a ration of the above distance to a radius of the rear wheel is in the range of 0.18-1.38. The direct-drive double wing scooter is suitable for riding on the flat road without slope or with a little slope, and further suitable for riding on the climbing section with a large slope.

The invention relates to a washing machine and a deceleration clutch for the same. The deceleration clutch at least comprises a shell, a brake wheel located in the shell and a wheel system located in the brake wheel. A direct drive motor is fixedly connected to the lower portion of the shell. A clutch shaft sleeve capable of sliding up and down is arranged in a cavity of a stator of the direct drive motor and driven by a shifting fork. A space is formed between the inner side wall of the stator and the outer side wall of the clutch shaft sleeve. A gap is formed in the stator and located on the upper portion of the space. At least one part of the shifting fork stretches into the gap, is located in the cavity of the stator, makes contact with the clutch shaft sleeve and shifts the clutch shaft sleeve to slide up and down to achieve dehydration and washing.

The invention provides an expandable thin-film light shield, and the light shield can meet the requirements of satellite-borne large loads for large-scale, light-weight and large-storage-ratio expandable thin-film light shields. The light shield comprises an expandable framework, a shading thin film and a pressing and releasing device, the expandable framework is of a beveled hexagonal prism structure as a whole and has the functions of folding and unfolding in the height direction. The shading film is of a beveled hexagonal prism structure and covers the outer surface of the expandable framework. When the expandable framework is folded or unfolded in the height direction, the shading film is driven to be unfolded or folded. The linkage device is used for synchronously unfolding or foldingthe large connecting rod unfolding mechanism and the small connecting rod unfolding mechanism; and the compressing and releasing device is used for compressing the expandable framework when the expandable framework is in the folded state, so that the expandable framework is kept in the folded state.

The invention provides a robot walking mechanism which comprises a mounting part, a driving mechanism and a guide mechanism, wherein the guide mechanism comprises a front guide module and a rear guide module; the front guide module and the rear guide module are same in structure and comprise support rods, guide blocks and guide wheel groups; the guide blocks can be rotatably arranged on the support rods; two ends of the guide bocks are arranged on the guide wheel groups; the bottom ends of the support rods of the front and rear guide modules are respectively arranged at two ends of the mounting parts; and the driving mechanism is arranged on the mounting part in a manner of moving left and right. The guide mechanism and the driving mechanism can adapt to a curve, so that the robot walking mechanism can turn a corner without assistance of an auxiliary device and is simple in structure.

The invention provides a route inspection robot walking mechanism. The route inspection robot walking mechanism comprises a driving mechanism and a guide mechanism; the driving mechanism includes a bearing plate; the bearing plate is provided with a gear driven by a driving device; the guide mechanism is positioned above the bearing plate, and includes an upper connecting block and front and back guide wheel sets; the front and back guide wheel sets are the same in structure, and include wheel set connecting pieces and left and right guide arms; the left and right guide arms are movably mounted at the left and right ends of the wheel set connecting pieces; and the wheel set connecting pieces of the front and back guide wheel sets are respectively mounted at the front and back ends of the upper connecting block in a horizontal rotating manner. The route inspection robot walking mechanism needs no additional auxiliary device during turning, is stable in operation when going upwards and downwards a slope with a higher gradient, and is convenient for installation and unloading and easy to maintain.

The invention discloses a horizontal on-load capacity-regulating tap switch which comprises a shell, a vacuum arc extinguishing assembly, a double-station switching assembly, a low-voltage contact assembly and a wiring assembly, the vacuum arc extinguishing assembly, the double-station switching assembly, the low-voltage contact assembly and the wiring assembly are fixed in the shell, the shell comprises an insulating substrate, and the wiring assembly is provided with a plurality of first wiring pieces. The wiring assembly is provided with a plurality of first wiring pieces, the first wiring pieces are in lap joint with taps on the high-voltage side of the transformer, the wiring assembly is further provided with a plurality of second wiring pieces, the second wiring pieces are in lap joint with taps on the low-voltage side of the transformer, and the double-station switching assembly comprises a movable contact set and a static contact set. The vacuum arc extinguishing assembly can disconnect the electric connection with the movable contact group and the static contact group under the linear driving of the first driving assembly and carry out vacuum arc extinguishing. According to the invention, transformer oil is not polluted in the capacity exchange process, the service life of the moving contact group is prolonged, the layout is compact, the size is small, and the switch cost and the transformer cost can be effectively reduced.

The invention discloses an anti-leakage detection device and a tank bottom valve. A valve body, a liquid leakage pipeline and a sealing piece are included; the liquid leakage pipeline is arranged in the valve body and comprises a leaked liquid feeding port communicated with a retention cavity formed in the circumferential direction of a valve element of the tank bottom valve of a storage tank anda leaked liquid discharging port used for detecting whether a medium leaks or not; and the sealing piece is arranged on a fluid channel of the liquid leakage pipeline in a driven mode, and the sealingpiece has a closing position for blocking the fluid channel and an opening position for enabling the fluid channel to be communicated. By providing the anti-leakage detection device, the problem thatthe liquid leakage phenomenon is found after liquid leakage occurs in a valve body of an existing tank bottom valve is solved.