40results about How to "Enough traction" patented technology

The invention relates to an intelligent inspection robot which comprises a body. A charging connector is arranged on the front side of the body. Infrared distance measuring sensors are arranged on thefour faces of the body respectively. A host box is arranged on the upper side of the body. Heat dissipation holes are formed in the front side and the rear side of the mainframe box respectively. A first electric telescopic rod is arranged in the middle of the mainframe box. A spherical rotary joint is arranged on the upper side of the first electric telescopic rod. The right side of the spherical rotating wire joint is connected with an infrared thermal imager. The left side of the spherical rotary joint is connected with a camera. An illuminating lamp is arranged on the left side of the camera. A temperature and humidity sensor is arranged on the upper side of the right portion of a host. A sound sensor is arranged on the upper side of the temperature and humidity sensor. Crawler beltsare arranged on the two sides of the lower side of the body. Dusting brushes are arranged on the lower side of the body. A dust suction hole is formed in the rear side of the dusting brushes. A dust collection box is arranged on the rear side of the dust suction hole. The system has the advantages of being long in endurance time, high in intelligence, comprehensive in inspection, diversified in function and comprehensive in detection.

The invention, which belongs to the technical field of bridge construction machinery and methods, is named as a low-level girder transporting vehicle and a bridge erection and installation method. Theinvention mainly provides a low-level transporting girder vehicle comprising a vehicle body, telescopic support legs, a box beam jacking cylinder, a suspension running assembly, a truss mechanism, atruss mechanism traction system, a steering cylinder and driver cabs. The telescopic support legs and the box beam jacking cylinder are arranged at the vehicle body respectively; the driver cabs are arranged at the front end and the rear end of the vehicle body; and a rotating mechanism is arranged between the driver cabs and the vehicle body. The vehicle body has a U-shaped structure and is provided with a track. The truss mechanism is arranged on the track and is connected with the truss mechanism traction system. The suspension running assembly and the steering cylinder are arranged below the vehicle body; and the steering cylinder is connected to the vehicle body and the suspension running assembly. The low-level transporting girder vehicle can be applied to transportation of different-span box beams for tunneling and bridge erection construction.

The invention provides a crawler-type sleigh composite walking polar region robot. A position-changing crawler walking mechanism comprises four independent walking crawlers and a crawler rocker arm support. The walking crawler comprises a crawler belt body, driving wheels, supporting wheels and guide wheels. The crawler belt surrounds the driving wheels, the supporting wheels and the guide wheels,the driving wheel rotates in the mode that a hollow shaft is connected with a speed reducer shaft, the crawler rocker arm support rotates in the mode that a solid shaft located in the hollow shaft rotates, and different crawler advancing movement modes are achieved by controlling locking of a front guide wheel shaft and a rocker arm shaft. A sail sleigh mechanism comprises a sail at the top of arobot body and a sleigh at the bottom and capable of ascending and descending freely. The sail at the top can ascend and descend through a gear motor, the sleigh at the bottom can pop up from the bottom of the vehicle body, the angle of the sleigh is adjusted, and the pitching degree of the robot is further adjusted; the vehicle body can still be kept horizontal when the robot runs on an inclinedroad surface, and therefore it is guaranteed that instruments in the vehicle body can normally run.

The invention discloses an unpowered rolling beating sweeping device and method. The device comprises a belt surface, a head transmission roller, a head hopper, an unpowered rolling beating sweeper and a support, wherein the belt surface is tightly attached to the head transmission roller to rotate, the head hopper is arranged outside the head transmission roller and the unpowered rolling beatingsweeper, the unpowered rolling beating sweeper is arranged on the inner surface of the belt surface in the return direction, and the belt surface is arranged between the wall surface of the head hopper and the unpowered rolling beating sweeper; and the unpowered rolling beating sweeper comprises a hammer I, a spring I, a hammer II, a spring II, a rolling bearing, a sweeper center shaft and a rolling bearing block, wherein the hammer I, the spring I, the hammer II and the spring II are arranged on the rolling bearing. According to the device and method, adhesive material on a material conveyingsurface of a belt conveyor can be effectively removed, so that friction between a belt and an equipment support caused by long-term and frequent deviation is reduced, and the normal service life of the belt on the belt conveyor is prolonged.

The invention discloses a hose pulling device. The hose pulling device comprises a mounting base plate, a first pulling mechanism, a second pulling mechanism and a precision positioning sleeve. The first pulling mechanism and the second pulling mechanism each comprise a transmission chain, a driving sprocket, a moving sprocket, a transmission gear and multiple pipe-holding Huff sleeves. Each driving sprocket and the corresponding moving sprocket are in transmission connection with the interior of an inner ring of the corresponding transmission chain to form a rotating transmission structure. Each transmission gear is in transmission connection with the corresponding driving sprocket. The pipe-holding Huff sleeves are uniformly arranged on the corresponding transmission chains in the lengthdirection of the transmission chains. Hose channels for limiting hoses are formed between the pipe-holding Huff sleeves of the adjacent transmission chains of the first pulling mechanism and the second pulling mechanism. A positioning channel and a chain channel are arranged on the precision positioning sleeve. According to the hose pulling device, the outer surfaces of the hoses are held by thesymmetrical pipe-holding Huff sleeves and are pulled, it is guaranteed that the hoses do not deform and pulling can be conducted through whole ring holding of the outer surfaces of the hoses, the enough pulling force is provided, and it is guaranteed that the hoses do not slide in the pulling process.

In a transmission line for a working machine, in particular a wheel loader, the travel speed is preselected via the accelerator pedal (11) and the working hydraulics via the selector lever (8), wherein the signal is fed to An electronic control unit (10) which controls the transmission motor (1) and the clutch (2) arranged between the transmission motor (1) and the pump impeller (3) of the hydrodynamic torque converter in such a way that the auxiliary transmission The device (6) provides sufficient rotation speed for the pump (7) of the working hydraulic system and does not exceed the preselected travel speed.

The invention belongs to the technical field of oil extraction devices for an oil field, and particularly relates to an intelligent oil sucking machine. The intelligent oil sucking machine comprises abase, a support frame, a guide wheel, a winding drum, a steel wire rope, an oil sucking pump and a motor, wherein a spiral groove for accommodating the steel wire rope is formed in the outer wall ofthe winding drum; the winding drum is in inclined arrangement; an included acute angle alpha formed between the axial line of the winding drum and the steel wire rope and the helix angle beta of the spiral groove meet a relationship that alpha=90 degree - beta; the winding drum structurally comprises a drum body, a driving shaft, a threaded support shaft and a shaft support frame; one end of the drum body is connected with a driving shaft through a spline; and the other end of the drum body is connected with the threaded support shaft through transmission screw threads. The intelligent oil sucking machine has the advantages that through the arrangement of the spiral groove with great thread pitches, the steel wire rope to be wound on the winding drum can be effectively prevented from beingin contact with the steel wire rope wound on the winding drum, so that the abrasion of the steel wire rope is reduced.

The invention relates to the technical field of underground water measurement, and discloses a portable underground water level automatic measuring and recording device which comprises a shell, a measurement recorder, a sensor, a steel rope, a balance weight ring and a cable, one end of the cable is connected with the sensor, the other end of the cable is connected with the measurement recorder, the sensor is installed in the shell, and the balance weight ring is installed in the shell. The lower end of the steel cable is connected with the counterweight ring, a protective cover is fixedly connected in the shell, a climbing mechanism is connected in the protective cover, the shell is connected with the steel cable through the climbing mechanism, the side wall of the cable is connected with a plurality of locking mechanisms, and the cable is connected with the steel cable through the locking mechanisms. According to the portable underground water level automatic measuring and recording device, the detection probe cannot be damaged during installation, the device does not make contact with the well wall during measurement, normal measurement of the water level measuring device is guaranteed, and meanwhile the signal transmission cable is not prone to deformation and damage during use.

An electric tightening machine comprises a working platform, a lifting electric push rod arranged in the vertical direction is installed in the middle of the working platform, the lifting electric push rod is provided with a vertical ejector rod vertically extending upwards, and a lifting flat plate is installed at the upper end of the vertical ejector rod; horizontal electric push rods are arranged on the working platform and located on the periphery of the lifting electric push rod, the horizontal electric push rods are provided with transverse ejector rods extending towards the four sides of the lifting flat plate, the transverse ejector rods are provided with horizontal movable frames, and the horizontal movable frames are provided with a plurality of clamps. And the clamps are uniformly distributed along a straight line parallel to the corresponding side edge of the lifting flat plate. The tightening machine can be suitable for manufacturing more screens of different sizes and models, and the occupied space of a component system is small.

The invention discloses a tightening head device of a two-way stretching film winding machine. The tightening head device comprises a fixing sleeve, a sliding sleeve, a sliding shaft, a transverse moving bearing assembly and an air cylinder, and a rotating shaft axially penetrates through the air cylinder; a transmission assembly used for driving the rotating shaft to rotate is arranged on a cylinder body of the air cylinder, the air cylinder is used for driving the sliding sleeve and the sliding shaft to jointly move transversely, one end of the sliding shaft is in transmission connection with the rotating shaft, and the other end of the sliding shaft extends out of the sliding sleeve and is provided with a chuck. According to the tightening head device, the air cylinder is arranged at the rear end of the fixing sleeve and connected with the fixing sleeve into a whole through screws, limitation of the side portion of the fixing sleeve on the cylinder diameter of the air cylinder is eliminated, on the one hand, the air cylinder has sufficient installation space, the cylinder diameter of the air cylinder can be set to be proper, and enough traction force is provided for the chuck.

The invention discloses a large-inclined-angle coal cutter dragging control device and control method. The large-inclined-angle coal cutter dragging control device comprises a walking mechanism, a traction mechanism and an electrical control mechanism. The electrical control mechanism comprises a controller, a main frequency changer, a first auxiliary frequency changer and a second auxiliary frequency changer, wherein the first auxiliary frequency changer and the second auxiliary frequency changer are in communication with the main frequency changer. The invention simultaneously discloses a large-inclined-angle coal cutter dragging control method. The method comprises the following steps that 1, walking of a coal cutter is controlled; 2, it is detected that whether traction motors overload or underload; and 3, it is detected that whether the frequency changers fail or not. According to the large-inclined-angle coal cutter dragging control device and control method, the three frequency changers adopt the control way of one main and two auxiliaries, the traction mechanism overload or underload detecting function is achieved, the frequency changer failure detecting function is achieved, on the basis of maintaining the first traction motor, the second traction motor and the third traction motor be at synchronous operation, the traction motors are prevented from overloading or underloading, any one of the frequency changers fails, the coal cutter stops working, failure expansion is avoided, and damages of equipment of the coal cutter are reduced.

Elevator equipment, wherein a main rope is wounded on the drive sheave of a drive device, a car and a counterbalance weight are suspended by the main rope, and a rope brake device stopping the rise of the car by the drive device by holding the main rope when the counterbalance weight is moved downward beyond the lower limit of a normal lifting stroke is installed on the counterbalance weight side of the drive sheave.