42results about How to "Effortless manipulation" patented technology

The invention discloses a pneumatic crawler-type hydraulic drill carriage which comprises a carriage body, a travelling gear, a working device for drilling connected with the carriage body, a hydraulic system for driving the devices, and an operating device; a pneumatic motor is used as power of the hydraulic system and operation of the drill carriage; an operating device, which adopts closed loop design, is used for driving the pneumatic motor, the pneumatic system, the hydraulic system and the various acting components to act; the travelling device is crawler-typed; a swinging device, which consists of a swinging arm and a cylinder, is arranged at the front of the carriage body; the front end of the swinging device is connected with the working device for drilling by a universal rotating device; the working device consists of a feeding device which comprises a supporting device, a secondary cylinder, and a chain pushing mechanism; and the pneumatic crawler-type hydraulic drill carriage uses a method combining water and gas to clean the boreholes. The pneumatic crawler-type hydraulic drill applies especially to mass drilling work sites of which change continuously; the whole carriage is free of electric devices and the pneumatic crawler-type hydraulic drill applies particularly to high gassy mine and can carry out universal hole drilling.

The invention discloses a vehicular disk-type permanent magnet eddy current retarder, comprising a first rotor, a second rotor, a first stator, a second stator, a support frame, a connecting rod and an execution mechanism, wherein the first rotor and the second rotor are coaxially arranged at interval; the first stator and the second stator are coaxially arranged between the first rotor and the second rotor; the support frame is fixedly connected with a vehicle gearbox shell or a frame; the middle part of the connecting rod is connected with the extension end of the support frame by adopting a cylindrical pair, and two ends of the connecting rod respectively form spherical hinges with the peripheral edges of the first stator and the second stator; and the execution mechanism is articulated with the other extension end of the connecting rod. A high-performance neodymium iron boron permanent magnet provides a magnetic field, so that power supply is not needed, and the defect of power consumption of an electric eddy current retarder is overcome; two disks are articulated together by the connecting rod via a joint bearing to avoid axial force caused by non-uniform air gaps on two sides, and simultaneously, the maximum axial resistance is skillfully converted into circumferential rotation and axial motion to reduce the driving force.

The invention relates to a steering system for a five-axle heavy duty car. The forward-rotation output shaft of a right angle gear box is connected with the input end of a front steering gear through the transmission shaft of a first front axle, the output end of the front steering gear is hinged with the middle part of a driving arm, the lower end of the driving arm is connected with a steering arm on a first wheel hub through the longitudinal tie of a first front axle, the upper end of the driving arm is connected with the upper end of an oscillating arm through the upper tie rod of a second front axle, the middle part of the oscillating arm is hinged on a longitudinal beam, and the lower end of the oscillating arm is connected with a steering arm on a second wheel hub through the longitudinal tie of a second front axle; after being decelerated, the backward-rotation output shaft of the right angle gear box is connected with the input end of a rear steering gear through a transmission shaft mechanism, and the output end of the rear steering gear is connected with a steering arm on a fifth wheel hub through the longitudinal tie of a fifth axle. The transmission part of the steering system is under very small stress, the flexibility and the reliability of steering can be guaranteed, the operation is labor saving, and the steering system has the advantages of simple structure, easy assembly, light overall weight, low consumption of materials and low production cost.

A multiposition multi-ported cock belongs to a technological filed of industrial values, which includes a cock body, a water inlet and several water outlets disposed on the cock body. In the cock body is mounted a hollow cock spool and on the conical surface of the spool are opened one or several water intakes in communication with the water outlets. The water inlet is in communication with the hollow cavity of the spool.

The invention relates to welding equipment, in particular to efficient laser continuous handheld welding equipment. The equipment comprises a cabinet; a continuous optical fiber laser is mounted on the inner side of the cabinet; an operation panel is mounted on the inclined surface of the upper part of the cabinet; and multiple optical cable placing bases are mounted at the top of the cabinet. Theefficient laser continuous handheld welding equipment further comprises a handheld laser rod connected with the continuous optical fiber laser. The efficient laser continuous handheld welding equipment adopts the continuous optical fiber laser, has the characteristics of small size, high energy, easy parameter adjustment and the like, realizes basic laser parameter control, and is suitable for more laser machining places with higher laser heat requirements; and the handheld laser rod can resist high-power laser radiation, is more portable, is controlled without wasting power, and is easier tomaster the strength.

The invention discloses a strength push-type separation mechanism of an automobile clutch, comprising a clutch shell, a front-end cover shaft sleeve, a release bearing, a separating ring, and a booster pump controlled by a control pedal. A separating pushing arm is arranged in the clutch shell. The pivot side of the separating pushing arm is articulated with an articulated component fixed on the clutch shell. The effort side of the separating pushing arm is articulated with a projecting shaft end of the booster pump. The middle part of the separating pushing arm is provided with a hole used for abdicating. The front-end cover shaft sleeve passes from the hole to sliding coordinate with the release bearing and the separating ring. The middle part of the separating pushing arm on both sides of the hole used for abdicating is provided with a salient contacted with the release bearing head face. The separating ring is connected with a separating claw of the clutch. The invention adopts a separating pushing arm structure to solve a problem of the separation mechanism early failure and guarantee the release bearing slides in parallel, and can improve separating force.

The invention relates to a hydraulic tractor steering device. The hydraulic tractor steering device comprises a tractor chassis. A traction shaft at the foremost end of the tractor chassis is hinged to a tractor head through a traction connecting piece, a driver seat is arranged at the front middle end of the tractor chassis, and a hydraulic steering gear is arranged in front of the driver seat. One end of a control shaft is fixedly connected with a steering wheel, and the other end of the control shaft is connected with the hydraulic steering gear. The front face of the hydraulic steering gear is communicated with a pressure reducer. A gear hydraulic pump is fixedly connected to the foremost end of the tractor head. An oil tank is fixedly arranged above the middle of the tractor head. The gear hydraulic pump and the oil tank are respectively provided with an oil outlet and an oil returning port. One end of a bi-direction hydraulic stretchy steering oil cylinder is hinged to a connecting head on one side of the tractor chassis, and the other end of the bi-direction hydraulic stretchy steering oil cylinder is hinged to a traction connecting piece through a hydraulic column. The hydraulic tractor steering device is reasonable in structure layout, labor is saved during operation, and the steering accuracy is guaranteed.

The invention discloses a limiting device for a hopper car bottom door opening and closing mechanism, and belongs to the technical field of freight vehicles. The limiting device specifically comprisesan upper transmission shaft, the upper transmission shaft drives a bottom door to be opened or closed through rotation, the limiting device comprises a limiting swing arm fixedly connected with a swing block, and a limiting mechanism which comprises a deflector rod device and a positioning block, and the deflector rod device drives the positioning block to longitudinally move along the guide structure so that the positioning block moves to different positioning gears; the swing block of the upper transmission shaft drives the limiting swing arm to rotate to the positioning blocks of differentgears so that the rotating angle of the upper transmission shaft is limited, and the opening state of the bottom door is controlled. The opening angle and the ballast unloading flow of a ballast unloading bottom door are achieved by controlling the rotating angle of the transmission shaft, and the functions of mistaken rotation prevention, multi-gear ballast unloading flow control and limiting when the bottom door is located at the full-open position are achieved.

The invention relates to a walking tractor with a hydraulic steering wheel and a self-discharging function. The walking tractor comprises a tractor chassis, wherein the headmost end of the tractor chassis is connected with a tractor head; the middle front end of the tractor chassis is provided with a seat of driver; a hydraulic steering device is arranged in front of the seat of driver; a wagon box is arranged behind the seat driver; an oil tank and a distributor are arranged beside the seat driver ; a gear hydraulic pump is fixedly connected to the headmost end of the tractor head; the tractor chassis under the wagon box is hinged to two self-discharging hydraulic oil cylinders. The walking tractor disclosed by the invention has the advantages that the structure is simple, the structural layout is reasonable, the steering is flexible, the operation is labor-saving, the safety is good, and a box body can automatically turn over.

The invention belongs to the technical field of protection equipment in civil air defense engineering, and in particular relates to steel-structure civil air defense protection equipment for a manholeof an urban underground comprehensive pipe galley. The steel-structure civil air defense protection equipment comprises a doorframe, hinges, a door leaf, a latch and an electric driving device, wherein the doorframe is arranged on a basal body of the manhole and is used for installing the door leaf and transferring load; the door leaf is a steel-structure door leaf and is hinged with the doorframe through the hinges; the latch is arranged on the door leaf and is used for being matched with the doorframe to lock or unlock the door leaf; and the electric driving device is connected with the door leaf and the latch and is used for realizing the turning of the door leaf and the opening and closing of the latch. The steel-structure civil air defense protection equipment can provide efficient and reliable hole protection measures for the manhole, guarantees the safety of the internal personnel and equipment of the engineering, and has important guiding significance and application value forpreserving the strength of a wartime city and improving the survivability of an important city transportation pipeline.

The invention relates to a power output system and output method for agricultural machinery. The system comprises an engine, a power output mechanism and a walking system, wherein the engine outputs power to the walking system and a working system through the power output mechanism. A wet clutch is adopted, the control model can be mechanical clutch, hydraulic clutch and pneumatic clutch, and the operation is labor-saving. Hub reduction can adopt internal-meshing open gear transmission or external-meshing close gear transmission. A speed changing box is a two-gear box, so that the structure is simple and the operation is convenient. The power output method increases the input speed of a hydraulic pump, increases the power of a hydraulic system, increases the output speed of a hydraulic motor, reduces the working pressure of the hydraulic system, and reduces the cost of the system.

The invention belongs to the technical field of civil air defense engineering protection equipment, and particularly relates to urban underground comprehensive pipe gallery hoisting opening steel structure civil air defense protection equipment. The equipment comprises a door frame, hinges, door leaves, locks and an electric driving device, wherein the door frame is mounted on a base body of a hoisting opening, the door leaves are steel structure door leaves and are hinged to the door frame through the hinges, the locks are mounted on the door leaves, and the electric driving device is connected with the locks and the door leaves. According to the equipment, efficient and reliable orifice protection measures can be provided for the comprehensive pipe gallery engineering hoisting opening, the safety of personnel and equipment in the engineering is guaranteed, and the equipment has important guiding significance and application value for preserving wartime city strength and improving thesurvivability of important city conveying pipelines, has wide popularization and application prospects in comprehensive pipe gallery construction in China, and has great war preparedness benefits andremarkable economic benefits.

The invention belongs to a workpiece forming and machining device and particularly relates to an improved non-die copy necking system and application of the same in workpiece necking machining. The improved non-die copy necking system comprises a driving wheel, wherein a driven wheel is coaxially and parallelly arranged on one side of the driving wheel in a spaced mode, the spacing between the driven wheel and the driving wheel is controlled by a driven wheel ejection mechanism, the edge of the driving wheel and the edge of the driven wheel are matched with the appearance of a mouth part of a workpiece undergoing necking machining, a working platform is parallelly arranged on one side of the driving wheel and the driven wheel in a spaced mode, and a crank sliding block rotation mechanism makes the working platform rotate in the same plane in the radial direction of the driving wheel. A height adjusting device is arranged at the bottom of the working platform, two ends of a clamping mechanism are arranged on the upper side and the lower side of the working platform, the action executing end clamps a workpiece cavity, and a positioning mechanism matched with the appearance of the workpiece to be machined is arranged on the upper surface of the working platform. The technical problem that the workpiece necking machining requirement is difficult to meet is effectively solved, and the improved non-die copy necking system has the advantages of better meeting the workpiece machining requirement and being ingenious in design, easy to control automatically and the like.

The invention relates to a tractor with a hydraulic steering wheel and an air-cut brake. The tractor comprises a tractor chassis, wherein a traction shaft at the utmost front end of the tractor chassis is hinged to a tractor head through a traction connecting piece, a driver's seat is arranged at the middle and front end position of the tractor chassis, a compartment is arranged at the back of the driver's seat, a hydraulic steering device is arranged at the front part of the driver's seat, and braking devices are arranged on the rear wheels of the tractor. The tractor provided by the invention has the advantages of reasonable structural layout, flexibility in steering, and labor conservation in manipulation; an air brake and the air-cut brake are combined for use, so that the braking performance is good, and the running safety of the tractor is increased.

A forklift with a cockpit rotating mechanism of the present invention, the cockpit and the forklift body are rotatably connected through bearings, and the forklift body is also provided with a tilting oil cylinder for jacking up the cockpit and a support frame for the cockpit in a reset state and shock absorbing pads, the hydraulic locking lock in the normal and reset state of the cockpit, the operating handle for manipulating the tilting cylinder, the manual pump connecting the operating handle and the tilting cylinder, the slewing bracket for connecting the forklift body and the cockpit and the The oil tank used for oil supply to the tilting cylinder. The present invention has a large maintenance space, greatly reduces maintenance blind spots, ensures maintenance space more vigorously, has a simple structure, saves costs, and is labor-saving and safe to operate.

The invention discloses an ejecting mounting mechanism for assembling missiles under the belly of an airplane and a control method of the ejecting mounting mechanism. The ejecting mounting mechanism comprises a power transmission mechanism, a walking control mechanism, a shear fork type lifting mechanism and an upper platform supporting mechanism, the power transmission mechanism is installed on a base through a positioning bolt and connected with a cross beam on the rear portion of the shear fork type lifting mechanism through a connecting fork head, an ejecting mounting machine walking driving mechanism adopts a motor to drive a driving wheel, and an ejecting mounting mechanism is controlled by a remote controller to reach a specified station in a working area according to requirements. According to the ejecting mounting mechanism, a full-electric control mode is adopted, and walking of the ejecting mounting mechanism and positioning adjustment of the lifting mechanism and the upper platform mechanism are achieved in a wireless remote control mode; and according to the ejecting mounting mechanism, rapid assembly of missiles of various sizes and models under the belly of the airplane can be realized, and the mechanism is convenient to operate, reasonable in structure, accurate in positioning and high in response speed, and has relatively high universality and stability.

The invention discloses a small tractor plough which comprises a frame, a handle, a front guide wheel group, a guide pipe, a guide rod, a guide rod up-down adjustable structure, a rear walking wheel, a plough, a diesel engine and a gearbox and is characterized in that the frame is provided with a front support wheel, a rear support wheel and a drive wheel; tracks are assembled on the two support wheels and the drive wheel; the periphery of each track is provided with a griddle; and the drive wheel is connected with the output wheel of the gearbox. The small tractor plough disclosed by the invention has the advantages that the track drive structure is adopted, thus the advancing resistance is small, the abrasion of transmission components is less, and the maintenance expenses are reduced; the front guide wheel group is convenient to lift and adjust; and the handle is lengthened so as to save labor in operation.

An end wall plate of the railroad hopper car comprises an end wall vertical face and an end wall inclined face, an observation hole is formed in the end wall inclined face, the sliding cover is arranged on the end wall inclined face of the railroad hopper car in a sliding mode and can seal the observation hole in the end wall inclined face, and a protective cover is arranged on the end wall inclined face of the railroad hopper car and can seal the observation hole in the end wall inclined face. The protective cover is arranged above the observation hole, a protective groove capable of containing the sliding cover is formed in the lower side of the protective cover, when the observation hole is sealed by the sliding cover, one end of the sliding cover is located in the protective groove, the driving mechanism is connected with the sliding cover, and the driving mechanism can drive the sliding cover to move. And the operation is simple, labor-saving, quick and time-saving, the manufacturing, the assembly, the disassembly, the maintenance and the inspection are convenient, and the requirements of high reliability and safety are met.

The invention relates to an integral type multi-way valve. The integral type multi-way valve comprises an oil inlet valve joint (1), a plurality of working valve joints (2) and an oil return valve joint (4), wherein the plurality of working valve joints (2) are arranged between the oil inlet valve joint (1) and the oil return valve joint (4); the oil inlet valve joint (1), the working valve joints (2) and the oil return valve joint (4) form an integral type structure; the oil inlet valve joint (1) is provided with an oil inlet P(7), and the oil return valve joint (4) is provided with an oil return opening T(5); and each of the plurality of working valve joints (2) is provided with two working oil openings A(6) and B(3). The integral type multi-way valve is characterized in that a hydraulic lock (8), a pressure compensation flow control valve (11) and a reversing valve rod assembly (13) are sequentially arranged in each working valve joint (2) from the top to the bottom. The integral type multi-way valve has the advantages that flow and pressure distribution is reasonable, energy is saved, emission is reduced, and the phenomena of barrel tossing, engine extinguishing and cylinder collision are effectively solved.

The invention relates to a power output operating device for a tractor. The power output operating device comprises an operating lever, a connecting arm, a pull rod, a rocker arm and a push pin, wherein the operating lever is integrally fixed with the connecting arm through a hinge joint seat; and the push pin extends into a rear axle transmission case. The power output operating device is characterized in that one end of the rocker arm which is arranged horizontally is non-rotationally connected with the push pin; the push rod is in vertical hinge joint between the connecting arm and the other end of the rocker arm; a rectangular hole is formed on a seat plate; a jointed shaft stretches over the rectangular hole, and the two ends of the jointed shaft are fixed together with the seat plate; the operating lever is hinged with the jointed shaft through the hinge joint seat; a pressure plate for shielding the rectangular hole is fixed on the seat plate, and is provided with a hinge joint seat hole; the size of the hinge joint seat hole is slightly larger than the physical dimension of the hinge joint seat; and the hinge joint seat penetrates through the hinge joint seat hole. The operating lever is hinged on the seat plate on the side edge of a driver seat, so that the leg accommodating space in a cab is large, and people can get on / off conveniently; a driver can operate the operating lever conveniently in a labor-saving way; and the rectangular hole is shielded by using the pressure plate, so that the leak tightness of the cab is high.

A full hydraulic steering gear for graders belongs to the field of engineering machinery. The technical scheme of the present invention is: the steering gear is composed of a steering valve and a cycloidal motor; the part on the left side of the partition is a steering valve, the main components are a valve body, a valve core, and a valve sleeve, and the valve core is supported on the bearing of the valve cover , connected with the steering wheel with a connecting block, the valve core, valve sleeve and coupling are put together with a dial pin, the pin hole on the valve core is long, and there is a relative rotation of 20 to 70 between the valve sleeve and the right side of the spacer It is a cycloidal motor, the rotor and the coupling are connected by splines, the stator, the spacer and the end cover form the working chamber; there are four oil inlet and return ports connected to the external pipeline on the valve body, and two for the overflow The valve leads to the inlet and outlet ports of the oil pump and oil tank, and the other two lead to the left and right chambers of the steering cylinder. The beneficial effect is that the force for deflecting the wheels is entirely hydraulic pressure, which is especially suitable for construction machinery such as motor graders whose steering wheels are far away from the cab, and is easy to operate, labor-saving, compact in structure, safe and reliable.

The invention discloses a floor type brake master cylinder performance test device. The device comprises an air source system, a fixed base, an adjustable support and a pressing rod mechanism; the adjustable support is arranged on the fixed base; a brake master cylinder is mounted on the adjustable support; the pressing rod mechanism is rotatably mounted on the top surface of the fixed base; the rotating shaft center is overlapped with the pedal rotating shaft center of the brake master cylinder; a pedal force sensor is arranged at the position, 160 mm away from the pedal rotating shaft of thebrake master cylinder, of the upper surface of the pedal; the pressing rod mechanism is provided with a roller abutting against the pedal force sensor through a support hanging rod, the central axisof the support hanging rod is perpendicular to the upper surface of the pedal force sensor, and a displacement sensor is fixed to the side face of the adjustable support and connected with the end ofthe pedal through a pull wire. The invention further discloses a floor type brake master cylinder performance test method, the pedal angle advancing amount can be accurately calculated through testingand calculation of the displacement sensor, the pedal angle advancing amount is not directly related to the starting point of the pull wire of the displacement sensor, and high applicability is achieved.

The invention relates to a swing ball shooting mechanism of a marble game machine. The mechanism comprises a marble inlet pipeline and a marble shooting gun barrel, the marble shooting gun barrel andthe marble inlet pipeline are correspondingly mounted through a swinging device; the swinging device consists of a fixed body, a driving motor, a driving gear and a driven gear; a connecting through hole is formed in the fixing body; the marble inlet pipeline is mounted below the connecting through hole; the marble shooting gun barrel is rotationally mounted above the connecting through hole and corresponds to the marble inlet pipeline; the marble inlet pipeline and the marble shooting gun barrel are in butt joint to form a marble feeding pipeline; the driving gear is arranged on the fixed body, the driven gear is arranged on one side of the bead gun barrel and located at the corresponding position of the driving gear, the driving motor is installed at the corresponding position of the driving gear to drive the driving gear to rotate to drive the driven gear to rotate leftwards and rightwards, and then the driven gear rotates to drive the bead gun barrel to rotate leftwards and rightwards relative to the fixed body. The side-to-side swing performance of the ball gun barrel can be effectively improved, the swing strength is small, and more labor is saved during operation.

The invention relates to a steering system for a five-axle heavy duty car. The forward-rotation output shaft of a right angle gear box is connected with the input end of a front steering gear through the transmission shaft of a first front axle, the output end of the front steering gear is hinged with the middle part of a driving arm, the lower end of the driving arm is connected with a steering arm on a first wheel hub through the longitudinal tie of a first front axle, the upper end of the driving arm is connected with the upper end of an oscillating arm through the upper tie rod of a second front axle, the middle part of the oscillating arm is hinged on a longitudinal beam, and the lower end of the oscillating arm is connected with a steering arm on a second wheel hub through the longitudinal tie of a second front axle; after being decelerated, the backward-rotation output shaft of the right angle gear box is connected with the input end of a rear steering gear through a transmission shaft mechanism, and the output end of the rear steering gear is connected with a steering arm on a fifth wheel hub through the longitudinal tie of a fifth axle. The transmission part of the steering system is under very small stress, the flexibility and the reliability of steering can be guaranteed, the operation is labor saving, and the steering system has the advantages of simple structure, easy assembly, light overall weight, low consumption of materials and low production cost.

A reverse unit installed to the secondary shaft of speed variator for motor-cycle is disclosed. A shift for assembly sleeves on a slide axle. Its fork is connected to cynchronizing ring engaged with the drive teeth of splined sleeve. The reverse gear and output toothed sleeve respectively sleeve on the splined sleeve at both sides of its drive teeth. The reverse gear is engaged with a connecting gear A. The output toothed sleeve is engaged with another connecting gear B. A is locally engaged with B. The splined sleeve is linked to the spline of said secondary shaft of speed variator.

The invention discloses a clutch. The clutch comprises a clutch cover, wherein a fixing plate, a diaphragm spring, a sensing spring and a wedge-shaped self-adjusting mechanism are arranged above the clutch cover; the wedge-shaped self-adjusting mechanism comprises an adjusting wedge ring and an adjusting spring; and the adjusting wedge ring is positioned between the diaphragm spring and the fixingplate. According to the clutch, the diaphragm spring is arranged on the axial outer side of the clutch cover, so that the axial size is compact, and the overall size of the whole clutch is reduced. Meanwhile, the clutch has a self-adjusting function, the finger tip position of the clutch is kept constant as much as possible in the whole service life period of the clutch and a clutch disc, the working pressing force is kept unchanged, the separation force is reduced, and the clutch is controlled conveniently in a labor-saving manner.