18results about How to "Reduced torque requirements" patented technology

The invention belongs to the related technical field of robots, and discloses a leg structure assembly of a humanoid robot and the humanoid robot, and the leg structure assembly comprises a hip joint assembly and a leg structure assembly, the hip joint assembly comprises three driving modules, and three-degree-of-freedom rotation movement similar to human hips is achieved; the knee joint assembly comprises a knee joint structure, a knee joint driving module and a knee joint transmission assembly, the knee joint driving module is installed at the upper end of the thigh structure, and the knee joint transmission assembly drives the shank structure to bend and stretch; the ankle joint assembly comprises an ankle joint structure, an ankle joint driving module and an ankle joint transmission assembly, the ankle joint driving module is installed at the upper end of the thigh structure and located below the knee joint driving module, and the ankle joint transmission assembly drives the foot structure to achieve plantar flexion / dorsiflexion movement and extroversion / adduction movement. The driving modules are moved upwards to the upper ends of the thigh structures, and the humanoid robot has the advantages of being free of driving modules at the tail ends, concentrated in mass and small in rotational inertia, and the movement frequency of the humanoid robot can be improved.

The invention provides an anti-burst self-locking flat gate valve and relates to the technical field of flat gate valves, the anti-burst self-locking flat gate valve comprises a main valve body, an inner lifting valve piece, inner sealing rings and sealing valve plates, the inner lifting valve piece is vertically and slidably arranged on the inner side of the main valve body, the inner sealing rings are arranged on the two sides of the middle of the main valve body, and the sealing valve plates are arranged on the two sides of the upper portion of the inner lifting valve piece; an outflow pipe and an inflow pipe are arranged on the two middle sides of the main valve body in a communicating mode respectively, a lower valve body cavity is formed below the main valve body, a middle sealing sliding column is fixedly arranged on the inner side of the lower valve body cavity, and an outer communicating pipe is fixedly arranged on the side face of the main valve body. When the valve plate moves to be opened or closed, the inner lifting valve piece presses liquid in the valve body cavity downwards to flow outwards to the outflow pipe towards the outer communicating pipe, the pressure of the outflow pipe is smaller than that of one side of the inflow pipe, the situation that resistance of downward movement of the inner lifting valve piece is increased is reduced, and the problem that when the valve plate moves to be opened or closed, liquid in the valve plate storage cavity needs to be pressed outwards, and the valve plate is damaged is solved. And the moving resistance of the valve plate is increased.

The vacuum cup unlocking structure is characterized in that the vacuum cup unlocking structure comprises a cup cover, a circuit board and a battery electrically connected with the circuit board are arranged in the cup cover, a motor is fixedly arranged on the cup cover, the motor is electrically connected with the circuit board, the output end of the motor is connected with a cam, and the cam is electrically connected with the circuit board. A cam is arranged in the cup cover, a sliding part is further arranged in the movement range of the cam, the sliding part is arranged in the cup cover in a sliding mode, a lock hook is further arranged in the movement range of the sliding part, the lock hook is rotationally arranged in the cup cover, and the acting end of the lock hook is exposed out of the cup cover; by the adoption of the method, intelligent unlocking of the cup cover can be achieved through cooperation of the cam, the sliding part and the lock hook, resistance generated during unlocking can be reduced through the cooperation mode of the sliding part and the lock hook, the use stability of the unlocking structure is ensured, meanwhile, the torsion requirement of the motor can be lowered, and therefore the production cost is reduced, and the structural design is reasonable and simpler.

The invention discloses a pre-tightening force applying auxiliary welding device. The pre-tightening force applying auxiliary welding device is composed of a pre-tightening force applying mechanism and a synchronous rotating mechanism. The pre-tightening force applying mechanism adopts spring buffering and integrates loading and measuring, a spring buffering structure is arranged at the mounting position of a force sensor, the stress concentration problem caused by welding micro-deformation is avoided, and the stability is guaranteed; according to the integrated design, lead screw loading, force sensing and pre-tightening force locking are fused, additional force measuring equipment is not needed, the operation process is simplified, and welding time consumption is shortened. The clamping end of the synchronous rotating mechanism adopts a four-jaw chuck to improve the coaxial precision, the speed and angle of rotation are accurately regulated and controlled by a servo motor, a bearing coupling structure is selected for transmission, pre-tightening force loading and the synchronous rotating function are decoupled, the torque requirement of the motor is reduced, and damage is prevented. By means of the bearing coupling and the high-strength pre-tightening force design, stability is excellent, the risk is small, the device is suitable for welding of small cylindrical elements, and the device has the advantages of being efficient in welding and convenient to carry.

The double-ring deformable wheel mechanism is composed of a first flip rod (A-1), a second flip rod (A-2), a third flip rod (A-3), a fourth flip rod (A-4), a fifth flip rod (A-5), a steering gear arm 1 (A-6), a steering gear bracket 1 (A-7), a steering gear 1 (A-8), a sixth flip rod (B-1), a seventh flip rod (B-2), an eighth flip rod (B-3), a ninth flip rod (B-4), a tenth flip rod (B-5), a steering gear arm 2 (B-6), a steering gear bracket 2 (B-7), a steering gear 2 (B-8), and a frame rod (C-1). The folding and unfolding of the wheel body are controlled by the forward and reverse rotation of the motor. When folded, it is in a round wheel mode, which can have the stability of a wheel type, and when unfolded, it is in a special-shaped mode, which has a stronger obstacle-crossing performance. Moreover, after the double-ring deformable wheel mechanism of the present invention is deformed, a larger obstacle-crossing radius can be obtained, and it has a better obstacle-crossing ability, and can be well applied in the fields of education, entertainment, and military.

The utility model relates to foundation treatment equipment for road expansion, which comprises a vehicle body, symmetrical connecting flanges are arranged on the vehicle body, a connecting shaft arranged along the horizontal direction is arranged between the connecting flanges on the two sides, the end part of the connecting shaft is rotatably connected to the connecting flanges, the connecting shaft is driven by a motor, and the motor drives the vehicle body to rotate. Symmetrical driving rods are arranged on the connecting shaft, one end of each driving rod is fixed to the connecting shaft in a sleeving mode, the other end of each driving rod extends outwards to serve as a connecting end, a connecting frame is arranged between the connecting ends on the two sides, one end of the connecting frame is rotationally connected to the connecting ends, the other end of the connecting frame extends downwards to serve as an extending end, and a pressing plate is arranged below the connecting frame. A connecting rod is integrally arranged on the pressing plate and connected with the extending end through a universal joint. The utility model has the following advantage and effect: the compaction compactness of sandy soil can be conveniently improved.

The utility model relates to the technical field of centrifugal machine mandrels, in particular to a special tool for disassembling and assembling a vertical centrifugal machine mandrel, which comprises a main shaft, the main shaft is of an integrally formed three-step structure, and the shaft diameters of the three steps are sequentially reduced; wherein British system threads are arranged on the outer portion of the section with the largest shaft diameter, and metric system threads are arranged on the outer portion of the section with the smallest shaft diameter. The three-section stepped shaft diameter and a double-system thread system are arranged, so that the structural strength and the adaptability are ensured. Linear thrust of the hydraulic jack is precisely and directionally transmitted to the mandrel through the stepped shaft diameter, meanwhile, self-weight loads of rotating components such as a speed reducer, a rotating drum and a rotor are balanced through a thread system, and safe unloading of pre-tightening force of a mandrel thread pair is achieved. The problems that in the traditional dismounting and mounting process, centering is poor, and threads are prone to being damaged are effectively solved, and the overhauling efficiency of the centrifugal machine mandrel is remarkably improved.

The utility model discloses a longitudinal front -drive hybrid transmission, include: input shaft, generator, drive motor, first gear mechanism, shift mechanism, first shift gear group, second shift gear group and power output mechanism, and the rotor of generator is connected with the rotor of input shaft through engine, and the clutch is set up in the rotor of generator, and the rotor of drive motor is connected to one end of clutch, and the rotor of drive motor is connected to the other end of clutch, the coaxial setting of generator and drive motor is connected with shift mechanism through the motor shaft of drive motor with first gear mechanism, and first shift gear group and second shift gear group are connected with power output mechanism. The utility model provides longitudinal front -drive hybrid transmission, sets up the clutch in the rotor of generator, does not occupy transmission axial dimension, further reduces transmission volume, can satisfy longitudinal car type four -drive in the front axle power generation and drive function, has realized higher power integration design and small -size design.

The invention relates to an electric lifting device with a posture adjusting function, belongs to the technical field of lifting machinery, and solves the problem that a lifting device in the prior art does not have the posture adjusting function. The lifting mechanism comprises a lifting tail end platform, a first series-connection lifting branch chain and a second series-connection lifting branch chain, and the first series-connection lifting branch chain and the second series-connection lifting branch chain are symmetrically arranged on the two sides of the lifting tail end platform and can adjust the height and the posture of the lifting tail end platform. The first series-connection lifting branch chain and the second series-connection lifting branch chain not only can adjust the height of the lifting tail end platform, but also can adjust the posture of the lifting tail end platform.

The invention discloses a high-precision moving mirror device based on two-dimensional adjustment of a compliant mechanism, and belongs to the technical field of optical beam adjustment, the high-precision moving mirror device comprises a fixed mirror seat assembly, a two-dimensional motion assembly, a driver assembly, an optical mirror assembly assembly and an optical mirror bracket assembly, the two-dimensional motion assembly comprises a two-dimensional motion seat and the compliant mechanism, the two-dimensional moving seat is connected with the fixed mirror seat assembly through a compliant mechanism, the driver assembly comprises a servo motor, a trapezoidal screw rod and a flexible connecting rod, the servo motor is arranged on the fixed mirror seat assembly, one end of the trapezoidal screw rod is connected with an output shaft of the servo motor, and the other end of the trapezoidal screw rod is connected with the two-dimensional moving seat through the flexible connecting rod. Through organic combination of the servo motor and the compliant mechanism, the requirement for the torque of the driver can be effectively lowered, the problem of stress concentration can be avoided, and then the adjusting precision and stability of the whole device are guaranteed.

This utility model relates to the field of engineering machinery and equipment technology, and provides a jet grouting pile device, which solves the technical problem that traditional large-diameter pile construction often requires large-tonnage, high-torque jet grouting machines, resulting in high energy consumption. The jet grouting pile device includes a drilling tool, which includes a drill bit assembly and at least one set of agitator blade units fixed to the outer periphery of the drill bit assembly and distributed in a ring-shaped interval. The drilling tool is a rotary jet grouting drill, and the drill bit assembly is provided with lateral nozzles; the agitator blade units include agitator blades and breaking teeth distributed on the agitator blades, and the injection channel of the nozzle is not higher than the breaking teeth.

The invention provides a transmission assembly self-locking control method and a transmission control system, and relates to the technical field of transmission control. The method is applied to a controller of a transmission control system and comprises the steps that mechanical parameters of a transmission assembly are obtained, and the mechanical parameters comprise a turbine parameter, a worm parameter, a gear parameter, rope force and a friction coefficient; determining a lead angle according to turbine parameters and worm parameters; determining a resultant moment according to the lead angle, the turbine parameter, the gear parameter, the rope force and the friction coefficient; when the resultant moment is smaller than zero, self-locking of the transmission assembly is achieved according to mechanical force; when the resultant moment is larger than zero, self-locking of the transmission assembly is achieved according to electric control force or mechanical force. The transmission assembly self-locking control method and the transmission control system have the advantages of being lower in torque requirement and lower in motor operation power consumption.

The utility model relates to a driving unit for a power assembly of an electrically-driven motor vehicle, in particular a hybrid power motor vehicle, and a driving device. The drive unit (10) is designed for a drive train of an electrically drivable motor vehicle and comprises a first electric rotary machine (30), a transmission (90) and a slip clutch (150), a rotor (31) of the first electric rotary machine (30) being mechanically coupled to an input (231) of the transmission (90) by means of the slip clutch (150). And wherein the slip clutch (150) is arranged radially and axially at least in sections within a space radially delimited by the rotor (31) of the first electric rotary machine (30) and in a wet space (130) of the transmission (90). By means of the drive unit according to the invention, a very space-saving solution for an electric drive is thus provided.

The invention discloses a safe movable sealing mechanism of a cleaning tank and a cleaning machine adopting the sealing mechanism, and relates to the technical field of cleaning machines. The cleaning tank safe movable sealing mechanism comprises a transverse rotating shaft hinged to the upper portion of the rear side edge of a tank opening of the cleaning tank, the transverse rotating shaft is connected with the rear end of the cleaning tank cover, and one end of the transverse rotating shaft is fixed to a rotating rod perpendicular to the transverse rotating shaft. The end, away from the transverse rotating shaft, of the rotating rod is hinged to a driven connecting rod, the end, away from the rotating rod, of the driven connecting rod is hinged to a driving connecting rod, and the end, away from the driven connecting rod, of the driving connecting rod is fixedly connected with a power output shaft of a transversely-arranged driving motor. The cleaning machine comprises a cleaning tank group, a longitudinal guide rail group, a cleaning basket transfer device and a protection chamber, the cleaning tank group comprises a plurality of longitudinally arranged cleaning tanks, and each cleaning tank is provided with a cleaning tank safety movable sealing mechanism; the safe movable sealing mechanism of the cleaning tank can solve the problem that in the prior art, sealing of the cleaning tank is not safe.

The utility model discloses a cloth clamping light box body structure which comprises a base, a cloth frame used for installing advertising pictures is arranged on the upper end face of the base, a balance weight mechanism and a labor-saving assembly are arranged on the lower end face of an inner cavity of the base, and a controller is further arranged on the lower end face of the inner cavity of the base. The cloth clamping lamp box is simple in structure and reasonable in design, a balance weight is additionally arranged in the base of the cloth clamping lamp box through the balance weight mechanism, the position of the balance weight can be adjusted according to the wind direction, the outdoor stability and the wind resistance limit of the cloth clamping lamp box are improved on the premise that the angle of a cloth frame is not adjusted and the display effect is guaranteed, and the service life of the cloth clamping lamp box is prolonged. And the application requirement of the current clamping cloth lamp box in an outdoor display scene is better met. And meanwhile, the friction force between the lower end face of the balancing weight and the base is reduced, the torque requirement for the motor is lowered, the smoothness of the balancing weight in the moving process is improved, and the service life of the motor is also prolonged.

This utility model relates to a reciprocating rotary motor, including a base, a stator assembly, a rotor assembly, and a bearing assembly. One end of the stator assembly and the bearing assembly are respectively mounted on the base, the rotor assembly is mounted on the stator assembly, and the other end of the bearing assembly is connected to the rotor assembly. Both the stator assembly and the rotor assembly are non-circular structures. The rotor support is provided with a load mounting portion, which is close to the rotating shaft in the bearing assembly. Compared with the prior art, this utility model has the advantages of resulting in smaller motor inertia and load inertia, which not only reduces the torque requirements of the motor and increases the acceleration and deceleration speed of the motor, but also improves the control precision of the motor.

The utility model discloses a plunger pump which comprises a base. The support is installed on the base, a speed reduction assembly is arranged on the support and comprises a first speed reduction part, a second speed reduction part and a third speed reduction part, and the second speed reduction part is connected with the first speed reduction part and the third speed reduction part in an engaged mode; one end of the swash plate is connected with the third speed reducing part, and the other end of the swash plate is connected with a cylinder body through a plunger; and the driving part is also mounted on the bracket and is connected with the second speed reducing part. The first speed reduction part, the second speed reduction part and the third speed reduction part are installed on the support, the driving part can enable the third speed reduction part to decelerate and drive the plunger to reciprocate in the cylinder body in the process of driving the second speed reduction part, and compared with planetary gear speed reduction, the structure is simple, and maintenance is convenient.

The invention provides a diesel engine starting control method and system.The method comprises the steps that a starting motor drives a diesel engine to start through a transmission mechanism, and the rotating speed of the diesel engine is detected in real time; controlling the transmission mechanism to start first-stage transmission separation of the motor and the diesel engine in response to the diesel engine rotating speed greater than a first preset threshold value; controlling the transmission mechanism to start second-stage transmission separation of the motor and the diesel engine in response to the diesel engine rotating speed greater than a second preset threshold value; in response to both the first stage transmission disengagement and the second stage transmission disengagement being successful, it is determined that the starter motor disengagement is successful. According to the staged disengaging method, when the diesel engine reaches the ignition rotating speed, the starting motor gear and the diesel engine flywheel gear are controlled to be retreated to be in the semi-meshing state so that the contact area between meshing gears can be reduced, and then the follow-up gear retreating operation can be easier.