49results about How to "Reduce walking resistance" patented technology

The invention discloses a self walking type garlic combine harvester, which comprises a walking base plate, an engine, a bottom frame, a lifting frame, a clamping device, a garlic seedling paving and placing groove, a garlic head conveying groove and a garlic head collecting box, wherein a base plate driving axle is arranged on the walking base plate, the bottom frame is connected with the walking base plate, the back end of the lifting frame is connected with the bottom frame, the front end of the lifting frame is hinged and connected with a lifting oil cylinder, the lifting oil cylinder rotates around a rotating shaft of the lifting frame, the lower part of the front end of the lifting frame is provided with a digging device, a film breaking cutter is arranged at the front part of the digging device, the front part of the film digging cutter is provided with a seedling separating device, the clamping device comprises a clamping passage and a clamping driving motor, the clamping device is connected with the lifting frame, the engine is arranged at the back part of the walking base plate, a hydraulic pump is arranged in a front end gearbox of the engine and is connected with the clamping driving motor, the back end of the engine is connected with a variable motor pump, the garlic seedling paving and placing groove is arranged at the right side of the walking base plate, the garlic seedling paving and placing groove, the garlic head conveying groove and the bottom frame are connected, and the garlic head collecting box is positioned at the left side of the walking base plate.

In order to achieve high speed with a simple structure in a stretching machine that uses a ring-shaped link device composed of a plurality of equal-length link devices formed in the shape of a folding rule to stretch a sheet, in the stretching machine of the present invention, a There is a ring-shaped link device having a plurality of clamping devices holding the ends of the thermoplastic resin sheet at both side ends of the sheet. The rod device is driven by the sprocket on the entrance side of the sheet, guided by the guide rail arranged in a flared shape in the direction of travel, after the sheet is extended, the sheet is removed, driven by the sprocket on the exit side and returned to the entrance side sprocket, wherein a pair of radial bearings are provided on the outer peripheral portion of the bearing at the lowermost end of the connecting rod shaft of the connecting plate forming the folding ruler portion of the connecting rod device, and the radial bearings are arranged so as to Rolls on both sides of the guide rail that restricts the movement of the link unit.

The invention discloses a boat-type pneumatic rice paddy planter capable of carrying out front position deep fertilizing. The boat-type pneumatic rice paddy planter mainly comprises a boat body, a power nose, a fertilizer discharging device, a seed discharging system, a double-cavity type pneumatic seed discharging device and the like. When the planter is in a working state, the positive pressure and negative pressure of two cavities of the seed discharging device are changed through an air pressure valve, the rotating speed of a seed discharging shaft is changed through a gearbox, the vertical position of a seed discharging device assembly is changed through a lifting handle, and the fertilizer discharging amount and the position of a seed and fertilizer furrow opener are changed through a speed regulating valve and a four-position three-way hand-operated directional valve. The boat-type pneumatic rice paddy planter is novel in structure; a boat tractor serves as a power chassis, the fertilizer discharging device is arranged in the front part, and thus the gravity center of the boat body is balanced; front position deep fertilizing is adopted, and growth of the main root systems of seeds is promoted; the double-cavity type pneumatic seed discharging device is adopted, and the boat-type pneumatic rice paddy planter capable of carrying out front position deep fertilizing with the boat tractor as the power chassis is simple in overall structure and capable of completing a series of procedures such as seed and fertilizer furrow opening, fertilizing, seed furrow opening, seeding and impounding ditch opening at a time, and has good application prospects.

The invention discloses a processing technology for prolonging the service life of guiding slide shoes. The processed guiding slide shoes consist of guiding slide shoe base bodies and wear-resisting layers, wherein the wear-resisting layers are welded on guiding surfaces. The technology comprises the following steps: firstly, casting: the guiding slide shoe base bodies are cast and shaped, the raw material is ZG35CrMoV, and the remained processing tolerance is from 1 mm to 4 mm; secondly, annealing; thirdly, primary machining: the outer end surfaces of lugs and the guiding surfaces are machined; fourthly, fault detection; fifthly, secondary machining: the rest part size is respectively machined; sixthly, quality regulation treatment: the finished guiding slide shoe base bodies with the brinell hardness of 240 to 280 are obtained; seventhly, peening treatment; eighthly, welding of wear-resisting layers: XHD646 welding bars are used for carrying out bottom welding firstly, and then DO*15 is used for carrying out surface welding on the wear-resisting layers; ninthly, deburring and repairing treatment; and tenthly, vibration aging. The invention has the advantages of reasonable design and convenient operation, and the processed guiding slide shoes have the advantages of high quality and long service life.

The invention discloses a tube segment transport trolley simultaneously adaptive to a whole-ring tube segment transportation function and a small-curve tunneling function. The tube segment transport trolley comprises a connecting base and a trolley body, wherein the connecting base is connected with the trolley body through a lever pulley block and a guide chain; the trolley body further comprises at least two racks which are connected; rack supporting wheels are arranged on the head and tail lower parts of each rack, a slide bracket and a lifting bracket are arranged on the upper part of each rack; the lifting brackets are arranged in series, and the sliding brackets are connected in series; the sliding bracket at the foremost end extends out of the rack at the foremost end, and a supporting wheel is arranged on the lower part of the sliding bracket at the foremost end. The length of the tube segment transport trolley disclosed by the invention can be more than 20 meters according to the tube segment diameter, the tube segment segmentation and the whole equipment arrangement; the transportation efficiency is not affected when the tube segment transport trolley is used for synchronously transporting the whole-ring tube segments at a relatively long distance, and the trolley travelling function is not affected on the condition of meeting small-curve tunneling turning.

The invention relates to a gap type negative pressure adsorption wall-climbing robot, comprising a bottom plate, a negative pressure generating device, a sealing device, an advancing device and an electric control device, wherein the advancing device is of a dual-crawler type structure; the bottom plate comprises an upper bottom plate and a lower bottom plate, the upper bottom plate covers on thelower bottom plate, the lower bottom plate is suspended below the upper bottom plate by a support pillar, an air inlet hole is formed in the center of the lower bottom plate, a gap is reserved betweenthe peripheral edge of the lower bottom plate and the periphery of the upper bottom plate instead of connection, a flow guide chamber is formed between the upper and lower bottom plates, crawler walking troughs are formed in the lower bottom plate in bilateral symmetry by taking the air inlet hole as a center; the sealing device comprises a flow guide mechanism and a flow stop mechanism, the flowguide mechanism is obliquely arranged in the gap between the peripheries of the upper and lower bottom plates, the flow stop mechanism is arranged on the bottom surface of the lower bottom plate, anda plurality of quantity of sealing bulges are uniformly distributed on the lower surface of the flow stop mechanism. The robot is applicable to common wall surfaces, and meanwhile solves conflict between adsorption force and resistance in the negative pressure adsorption process, so as to flexibly move on the wall surface.

The invention discloses a maintenance tool for a large water guide mechanism straight cylinder servomotor of a hydraulic turbine generator unit. Track height adjusting devices are mounted at the bottoms of axial traveling track assemblies. Axial traveling mechanisms are mounted on the axial traveling track assemblies in a rolling fit mode. Longitudinal slide rail assemblies are mounted on the axial traveling mechanisms. Longitudinal sliding mechanisms are mounted on the longitudinal slide rail assemblies in a sliding fit mode. The longitudinal sliding mechanisms are symmetrically arranged on the longitudinal slide rail assemblies. A hydraulic driving device is mounted between every two opposite longitudinal sliding mechanisms. Locking mechanisms are arranged on the longitudinal sliding mechanisms. The locking mechanisms are arranged on the two side faces of the corresponding longitudinal slide rail assemblies. A carrier roller mechanism is mounted on each longitudinal sliding mechanism. The hydraulic driving devices are connected with a hydraulic system. The maintenance tool can be used for conducting height adjustment and axial movement on a push-pull rod of the servomotor conveniently, so that the maintenance, disassembling and assembling efficiency is improved, the safety during the maintenance process is guaranteed, and workload of maintenance personnel is reduced.

The invention discloses a forklift steering balancing device which includes an oil box, a full hydraulic steering device and two oil cylinders. The oil outlet of the oil box is connected with the pressure oil inlet of the full hydraulic steering device by an oil pump; the oil inlet of the oil box is connected with the return opening of the full hydraulic steering device by a filter. The forklift steering balancing device is characterized in that the rod-free cavity of one oil cylinder is communicated with the rod cavity of the other oil cylinder by a pipeline; while the rod cavity and the rod-free cavity of the two oil cylinders are respectively communicated with one working oil opening of the full hydraulic steering device. The two ends of the piston of each oil cylinder are provided with blind holes used as valve cavities; all the blind holes are provided with a valve consisting of a top rod, a spring and a spherical valve core. The outer end of the top rod extends out of the corresponding end of the piston. A radical hole is arranged between the two blind holes; the two ends of the radical hole are respectively communicated with the two blind holes. The forklift steering balancing device can be used for reducing the walking resistance of the forklift and ensuring the forklift can work normally. Besides, the forklift steering balancing device can be used for controlling the steering of the two front wheels of the forklift.

The invention relates to a cleaning device for a direct air-cooling condenser. The cleaning device comprises a horizontal water pipe reel assembly and a vertical water pipe reel assembly, wherein a rubber pipe connected with a high-pressure pump is connected with a water inlet end of an electric reel shaft of the horizontal water pipe reel assembly; one end of the rubber pipe coiled on an electric reel cylinder is inserted into a radial water outlet of the electric reel shaft; a lead-out part passes through a swing type water pipe guiding device and a through type water pipe guiding device, and one end of the lead-out part is connected with the water inlet end of a passive reel shaft of the vertical water pipe reel assembly; and one end of a rubber pipe coiled on a passive reel cylinder is inserted into a radial water outlet of the passive reel shaft, and one end of a lead-out part of the rubber pipe is connected with a water inlet pipe on a horizontal pipe in an nozzle frame. The cleaning device can improve the stability and uniformity of cleaning, improve the cleaning effect obviously and save water sources, so the cleaning device is particularly important for areas where water resources are deficient; and operators can remotely control cleaning, so the operating environment of the operators is improved and the labor strength of the operators is reduced.

The invention belongs to the technical field of highway maintenance construction, and particularly relates to an overpass outer wall facility overhauling method. The method comprises the following steps that equipment enters a field, and an overhauling support is conveyed to a starting point of a road section to be overhauled; the equipment is assembled, a movable track and a hanging mechanism areassembled together, a traction rope is arranged in place, and a scaling ladder is rotated to the side back onto a pulley; overhauling is performed; the equipment is disassembled. According to the principle, a section of movable track is introduced on the basis of an existing walking type scaling ladder, the pulley and the movable track are high in matching degree, the walking resistance can be lowered to the maximum extent, meanwhile, a traction driving mechanism is convenient to arrange, a person on the scaling ladder can independently control the scaling ladder to walk, the labor cost is lowered, and the construction efficiency is improved.

The invention relates to a steel-leg wheel, wherein another end of inner wheel rib (15) Is sheathed in the blind hole of one end of outer wheel rib (7); the inner side of arc plate (1) is fixed with clamping plate (2); the connecting plate of outer wheel rib (7) is inside the clamping plate (2) to be fixed by screw (17) and clamping plate bolt (3); the outer side of arc plate (1) is fixed with wheel legs (4); two nearby arc plates (1) are hinged with first and second axles (5, 11) of wheel edge. The invention can roll the protrusion of field, to loose the soil. And the rolled soil will not form block.

The invention relates to a cultivator, which comprises a supporting wheel, an engine cooling device, a weed rake and a weed extractor, wherein the supporting wheel is located at the front end of the cultivator and can rise and fall, the engine cooling device is located at the front end of the cultivator, the weed rake is located at the rear end of the cultivator and can rise and fall, and the weed extractor is located at the rear end of the cultivator and is provided with a height adjustable device; a travelling wheel comprises a wheel axle, a spoke and an inner wheel connected with the spoke; the inner wheel is provided with an angle plate; one side edge of the angle plate is fixedly provided with a guard plate. The cultivator provided by the invention is compact in structure, diversified in function, convenient and practical, and is suitable for spaced crops of corn, orchard fruits, tobacco, green Chinese onion and the like.

The invention discloses a method for making an ultrahigh molecular weight polyethylene board adhere to a steel plate surface. The method has the advantages that the workload of maintaining and removing attachment can be greatly reduced, acid and alkali cleaning or mechanical cleaning is not needed, only a high-pressure water gun is needed to flush. The surface of a walking device in water is madeof steel plates to which the ultrahigh molecular weight polyethylene board is adhere has high abrasive resistance and high impact resistance and has effect of absorbing impact energy, the seawater corrosion resistance is strengthened, and the service life of the walking device in water is prolonged. In addition, the ultrahigh molecular weight polyethylene board with the size greater than 2 millimeters has better properties such as radioactivity isolation, nuclear radiation isolation, microwave penetrating resistance and the like.

Disclosed is a manufacturing method of an insertion pipe type patrol vehicle. The insertion pipe type patrol vehicle structurally comprises a bicycle and insertion pipe systems. Each of shaft heads of the bicycle is provided with an insertion pipe system, and each of the insertion pipe systems is structurally comprises a connecting plate, a guide pipe, an insertion pipe, a roller and a roller shaft. The guide pipe is arranged on the connecting plate, the insertion pipe is arranged inside the guide pipe, the roller is arranged on the roller shaft, the roller shaft is connected onto the insertion pipe, and the rollers are clamped on two sides of the upper portion of a steel rail to ensure that wheels do not derail in traveling.

The invention discloses an upwardly-walking concrete conveying device. The upwardly-walking concrete conveying device helps the defect that a large gap is kept between a guide wheel and a guide rail.Axes of four groups of guide wheels are horizontally arranged on a track. Through arrangement of a guide suspension bracket, the guide wheels rotate at 360 degrees. During turning, the guide wheels are always attached to the track so that an overall device can be fully positioned to the track. The overall device is prevented from deviating in order to reduce walking resistance. After turning, theguide wheels are restored and move straightly through a straightening mechanism. Therefore, hunting motion is prevented. The device adopts the structural form of elastic suspension. Elastic damping parts are arranged between the overall device and all walking mechanisms such that the overall device can be elastically hung on the track. During the travelling process of the overall device, the device is prevented from jolting caused by the uneven track. The device travels smoothly and steadily, thereby reducing impact on the track. The walking speed increases.

The invention belongs to the technical field of electric power construction equipment and particularly relates to a line walking device. The line walking device comprises a vehicle body and a power device, wherein a line pressing wheel set and an auxiliary wheel set which are installed on the side wall of the vehicle body, the power device is connected with the line pressing wheel set and used for providing power; the line pressing wheel set comprises an upper line pressing wheel and a lower line pressing wheel, the upper line pressing wheel is located above the lower line pressing wheel, a gap for containing a line-shaped body is formed between the upper line pressing wheel and the lower line pressing wheel, and the line pressing wheel set is used for rolling along the line-shaped body under the driving of the power device; the auxiliary wheel set is located on the left side and/or the right side of the interval, and included angles are formed between the axis of the auxiliary wheel set and the axis of the upper line pressing wheel and the axis of the lower line pressing wheel and used for limiting the interval; and the upper line pressing wheel, the lower line pressing wheel and the auxiliary wheel set can form limiting in the circumferential direction of the linear body, line loosening of the line walking device is avoided, and walking resistance is reduced.

A workshop cleaning mop device comprises mop assemblies, connecting shafts and a transverse connecting rod, the mop assemblies are connected with the transverse connecting rod, and every two adjacent mop assemblies are connected through the corresponding connecting shaft. According to the workshop cleaning mop device, the cleaning end can be rapidly replaced and cleaned through detachable connection, the rotating wheel can reduce ground friction and walking resistance, the connecting shaft can form connection between the multiple mop assemblies to achieve cleaning of a spacious ground, and the transmission device can achieve an automatic cleaning function; time and labor are saved, and the environment is suitable for workshops.