50results about How to "Low ground pressure" patented technology

The present invention belongs to the field of environment protecting technology. The crawler-type underwater ecological precise thin-layer sludge dredger consists of main system, hydraulic control system, sludge sucking system in front of the main system, and walking system below the main system. The main system includes box, support rods, frame, lighting unit and video monitor. The present invention has small size, light weight, simple structure and easy operation, and is suitable for dredging sludge in river, lake, reservoir, etc.

The invention relates to a vehicle dynamic synchronous track driver used in desert, wherein it is formed by track pusher and suspender; the track pusher comprises active wheel fixed at the front and back ends of vehicle, induce wheel, and upper and lower track chains connected between wheels, and a track adjuster; the lower track chain has load wheel above; the upper track chain has support wheel under; the suspender comprises a balance rod support of vehicle, a torque axle on the support and a balance elbow fixed on the axial spline; the bearing of elbow fixes the load wheel. The invention has independent torque suspension method and concave load wheel, to realize driving on desert.

The invention discloses a walk riding type two-wheel drive transplanter. The transplanter comprises a front frame, a rear frame, an engine, a speed control system, a transplant working system, a walking system, a hydraulic lifting and profiling system, a walking control system and a riding control system. The front part of the transplanter is provided with two drive wheels, and the transplanter adopts a mode of walk stepping when transporting, and adopts a riding mode when transplanting in the field. The transplanter is provided with two operation systems which are connected in parallel. The transplanter has the characteristics of a walking machine and a riding machine, greatly reduces labor power and improves efficiency compared with the walking transplanter, and greatly reduces weight of the machine and reduces cost of the machine compared with the riding transplanter.

The invention relates to a miniature self-propelled ridger, belonging to the technical field of agricultural machinery. The ridger is composed of a power chassis, a ridge forming component and a ridge pressing component, wherein the power chassis is mainly composed of a frame with a traveling wheel and a traveling gear box; the ridge forming component is mainly composed of a support, a rotary cultivation gear box, a chain wheel box and rotary cultivation knife rollers; the power input shaft of the rotary cultivation gear box is in driving connection with the power output shaft of the traveling gear box; each rotary cultivation knife roller is composed of left and right symmetrical two segments respectively installed on horizontal power output shafts at two sides of the rotary cultivation gear box; the ridge forming component comprises two augers respectively installed on the horizontal power output shafts at two sides of the rotary cultivation gear box and located inside the two rotary cultivation knife rollers; and the maximum outside diameter of each auger is smaller than the enveloping outside diameter of the rotary cultivation knife rollers. The miniature self-propelled ridger provided by the invention can not damage sown seeds when used for ridge forming for planting potato and other crops, and is lower in power consumption during operation.

A flexible ellipse-like wheel of detection robot relates to a detection robot wheel. The invention aims at the conditions that prior detection robot wheels use rigid cylindrical wheels, the wheel easily slips and sinks when the detection robot walks on a soft lunar slope, and that the internal parts of the wheel are impacted and the service life is influenced when the rigid wheel collides with a stone. A driving ring flange is fixedly mounted on an output shaft of a speed reducer in a hub, the middle part of a regulating lever is mounted at the shaft tip of the output shaft of the speed reducer in the hub and hinged therewith, one end of a supporting rod is hinged with the end of the regulating lever and the other end thereof is hinged with a sliding rod, the two ends of the sliding rod are fixedly connected with the internal edge of a flexible rim and a spring, the spring is mounted in a groove of the driving ring flange and fixedly connected with the driving ring flange, and the external edge of the flexible rim is fixedly equipped with a blade. The wheel of the invention has the characteristics of big contact area with lunar surface, reduced ground pressure, decreased wheel sinkage, good wheel passing performance and long service life.

The invention discloses a support-type traveling device which comprises a first rail, a second rail and a span beam. The span beam extends along a first direction, two ends of the span beam are supported on the first rail and the second rail, the span beam can move along the first rail and the second rail, a working portion is supported on the span beam and can move in the first direction relative to the span beam, the working portion comprises a flatness scraping vibration head, the flatness scraping vibration head is positioned below the span beam, the first rail can rotate in a horizontal plane and overturn in a vertical plane relative to the span beam, and the second rail can rotate in a horizontal plane and overturn in a vertical plane relative to the span beam. The invention further discloses an overall rotating method of the support-type traveling device, and rotation of the device is achieved by the aid of two steps. The support-type traveling device has the advantages that the device is wide in span, low in ground pressure, high in stability (adapting to fluctuating road surfaces) and flexible in traveling.

The invention discloses a hinging-type dump truck chassis. The hinging-type dump truck chassis comprises a steering system, a braking system, a drive system and a driving system, wherein the driving system comprises a truck frame assembly, the truck frame assembly comprises a front truck frame, a hinging body and a rear truck frame, a front axle is arranged below the front truck frame, a middle axle and a rear axle are arranged below the rear truck frame, one end of a left front hydro-pneumatic suspension unit and one end of a right front hydro-pneumatic suspension unit are connected to the upper surfaces of the left side and the right side of the front axle respectively, the other end of the left front hydro-pneumatic suspension unit and the other end of the right front hydro-pneumatic suspension unit are connected with the front truck frame, a right front cross pull rod, a front V rod and a left front cross pull rod are installed between the front truck frame and the front axle, themiddle axle is connected with the rear axle through a left balancing beam and a right balancing beam, a right middle cross pull rod, a middle V rod and a left middle cross pull rod are installed between the rear truck frame and the middle axle, and a right rear cross pull rod, a rear V rod and a left rear cross pull rod are installed between the rear truck frame and the rear axle. The hinging-typedump truck chassis is simple in structure, safe and reliable, and can effectively improve the trafficability and the comfort of the complete machine.

The invention discloses a milling and polishing integrated crawler type industrial robot which comprises a cutter replacing device, a cutter angle adjusting device, a first mechanical arm, a second mechanical arm, a third mechanical arm, a machine base and two waking mechanisms. The two waking mechanisms are arranged on the two sides of the machine base through motors, the first mechanical arm is installed at the top end of the machine base through a steering engine, and one end of the second mechanical arm is connected with the first mechanical arm through a steering engine; and the third mechanical arm is connected with the other end of the second mechanical arm through a steering engine, the cutter angle adjusting device is connected with the third mechanical arm through a bolt, and the cutter replacing device is arranged on the cutter angle adjusting device. By means of the milling and polishing integrated crawler type industrial robot, workpiece milling and polishing integration is achieved, the problems of workpiece polishing complex programming and re-positioning errors are solved, operation is simple, and various machining requirements are met; and meanwhile, the crawler type waking mechanisms are adopted, on-site steering can be achieved, and the good self-resetting and obstacle climbing ability is achieved.

The invention relates to an inflated radial truck tire. The existing inflated tire, in particular to the inflated radial truck tire, has the step abrasion phenomenon on the end of the strip pattern which is positioned at two ends of the driving surface, and greatly reduces the service life of the tire. The invention places a ring-shaped disk groove with the appropriate shape and position at the tire shoulder, which is continuously positioned along the circumference of the tire and extended toward the inner direction of radial direction, for decreasing the ground contact pressure of the end of the tire shoulder, thereby inhibiting the occurrence of the step abrasion of the tire shoulder and eliminating the bad phenomenon of seizing stones. In addition, a specified arc shape is designed on the bottom of the ring-shaped disk groove, even if the tire shoulder suffers the strong lateral force and consequently the repeated distorsion is generated, the groove bottom can not generate the tearing failure.

Pneumatic tire (3) with excellent high-speed durability and wear resistance, wherein the profile (35) of the tread surface ranging from equatorial plane (CL) to tread edge (28) is formed of multiple arcs protruding in a radially outward direction, wherein when the i-th arc counted from the equatorial plane (CL) in an axially outward direction is set as arc (Ci), and when the radius of arc (Ci) is set as (Ri), then arc C(i+1) and arc (Ci) make contact at the point where they intersect; the radius (Ri+1) is not greater than radius (Ri); the amount of curvature of the tread profile is defined by a tangent to the tread profile and inclined at an given angle theta relative to the axial direction, wherein the point where the virtual line (Lt) makes contact with profile (35) of the tread surface is set as (Pt), and when the axial width from the equatorial plane (CL) to contact point (Pt) is set as (Wt), then the width (Wt) at an inclination angle theta of 3 degrees and the width (W) ranging from the equatorial plane (CL) to tread edge (28) are set to have a ratio Wt/W of less than 65%.

A full-automatic collecting device for mud flat garbage comprises a shell and a driving wheel, a garbage collecting mechanism is arranged on the front portion of the shell, an opening is formed in the top of the shell, navigation sensors are distributed on the periphery of the opening in the top of the shell and connected with a control part, an inner cavity of the shell is divided into a front cavity body and a rear cavity body, and the driving wheel is a blade driving wheel. The blade driving wheels comprise the front blade driving wheel and the rear blade driving wheel, the rear driving mechanism is located in the rear cavity, the front driving mechanism is located in the front cavity, a partition plate capable of isolating the front driving mechanism from garbage is arranged in the front cavity, and the front driving mechanism is located in a cavity defined by the partition plate and the inner wall of the front cavity. The front driving mechanism and the rear driving mechanism are connected with a control part, the control part is connected with a power supply, and the control part is in communication connection with an instruction input device outside the shell. The device has the advantages that the device can be used on the mud flat and can pass through a large-range ponding area, the use is flexible, and the garbage collection efficiency is high.

The invention discloses a ride-type two-wheel driven transplanter which comprises a frame, an engine, a transmission case, an operating mechanism, a driving wheel, a transplanting operating mechanismand a conveying wheel. The engine and the transmission case are fixedly arranged on the frame. The engine and the transplanting operating mechanism are respectively connected with the transmission case by transmission mechanisms. The operating mechanism comprises a seat, a leftward-steering operating bar and a rightward-steering operating bar. The seat is arranged on the frame. The leftward-steering operating bar and the rightward-steering operating bar are arranged on the frame and connected with the transmission case by corresponding steering clutch cables. Driving wheels include a left driving wheel and a right driving wheel which are respectively connected with the transmission case by corresponding driving wheel chains. The transplanting operating mechanism is connected with a transplanter hooking bracket which is connected with the frame. The ride-type two-wheel driven transplanter has the advantages that weight is supported by two front wheels and a rear floating plate so that the transplanter is not easy to be trapped into mud, and mud retaining at the rear floating plate is greatly reduced so that the performance of the transplanter and the transplanting quality are improved.

The invention discloses a honeycomb type yam cultivation drilling machine, which comprises a frame, a traveling device, a power device, a transmission, a cardan shaft, an implement, an implement suspension device, a manipulation assembly, a hydraulic assembly and a ground wheel assembly. It is connected with the running device and placed on the running device, the power device is respectively connected with the transmission and the hydraulic assembly, the transmission is connected with the running device, the cardan shaft is respectively connected with the transmission and the machine tool, and the machine tool is suspended from the machine tool The device is connected, the steering assembly is fixedly arranged on the casing of the transmission, and the power unit, transmission, implement suspension, hydraulic assembly and ground wheel assembly are arranged on the frame. The invention takes into account the manipulation errors caused by human factors, can realize the drilling of holes in the honeycomb layout, ensures the verticality of the holes and the integrity of the hole shape, the holes are strong, the working efficiency of drilling is improved, and the labor intensity of people is reduced, and it is suitable for use in hills Mountain use.

The crawler for conveying planting material in soft and loose land consists of hydraulically controlled multi-way valve, driver cab, hydraulic oil tank, crane controller, one-crawler and six-wheel system, chassis, carriage, crane, diesel oil tank and water tank. The crawler driven with the hydraulic motor may be used in planting operation of sugar cane and other crops and conveying material in plowed land in high operation efficiency and lower labor strength.

The present invention improves steering stability performance on dry road surfaces and steering stability performance on wet road surfaces. The land part width Wcc of a center land part 31 and the land part width Wco of an outer-side middle land part 32 satisfy the relationship Wcc<Wco. Additionally, contact surfaces 10 of each of the outer-side middle land part 32 and an outer-side shoulder landpart 34 are formed so as to protrude outward in the tire radial direction with respect to reference profiles PRco, PRso, and the protrusion amount Hco of the outer-side middle land part 32 and the protrusion amount Hso of the outer-side shoulder land part 34 satisfy the relationship Hco<Hso.

The invention belongs to the technical field of pipeline transportation and particularly relates to a crawler-type pipeline aligning engineering vehicle. The crawler-type pipeline aligning engineeringvehicle is provided with a vehicle body, a trolley, a trolley frame, a pipe joint pushing device and a pipe joint rotating device, wherein the trolley is positioned on the trolley frames and is hinged relative to the trolley frames, the trolley horizontally ascends and descends relative to the trolley frames under the action of driving units II, the two trolley frames are arranged front and back,the trolley swings back and forth relative to a trolley body under the action of the driving units II corresponding to the two trolley frames, so the trolley, a pipe joint pushing device and a pipe joint rotating device which are positioned on the trolley are adjusted to swing back and forth, pitching angles of the pipe joint pushing device and the pipe joint rotating device on the trolley are adjusted, the two trolley frames are located on the trolley body and transversely move relative to the trolley body under the action of the driving units I, and therefore the trolleys hinged to the trolley frames are driven to transversely move or horizontally rotate. The crawler-type pipeline aligning engineering vehicle is advantaged in that aligning efficiency and safety are improved.

The invention relates to the field of transport vehicles, and particularly relates to a crawler type transport vehicle. The crawler type transport vehicle comprises a chassis, a running system, a control assembly, an engine and a cargo boom supporting bracket, the control assembly, the engine and the cargo boom supporting bracket are fixed on the upper end face of the chassis, the running system comprises a supporting wheel baffle, traveling motors, supporting wheels, a carrier roller, a guiding wheel and a tension wheel, the supporting wheel baffle is fixed on the lower end face of the chassis, the traveling motors comprise cycloid hydraulic motors and planetary reducers, output shafts of the cycloidal hydraulic motors are in transmission connection with the planetary reducers, output shafts of the planetary reducers are in transmission connection with driving wheels, two driving wheels are arranged on each side, and crawler belts are arranged between the two driving wheels on each side and made of a rubber material. The transport vehicle has high structural strength and good power output environment, and is applied to power system operation and other construction sites where space is small but joint operation is required and large equipment cannot enter, safe and civilized production is achieved, and labor productivity is improved.

The invention belongs to the technical field of pipeline transportation, and provides a pipeline transportation aligning system. The pipeline transportation aligning system comprises a pipeline transportation engineering vehicle and a pipeline aligning engineering vehicle, wherein the pipeline transportation engineering vehicle is used for transporting a to-be-welded pipe joint, and the pipeline aligning engineering vehicle is used for aligning the to-be-welded pipe joint and a pipeline end; the pipeline transportation engineering vehicle is provided with a vehicle body I, a vehicle frame anda pipe joint pushing device I located on the vehicle frame; the pipeline transportation engineering vehicle is provided with a vehicle frame adjusting device which enables the vehicle frame to horizontally lift and swing up and down relative to the vehicle body I; and the pipeline aligning engineering vehicle is provided with a vehicle body II, a trolley, a trolley frame, a pipe joint pushing device II and a pipe joint rotating device, wherein the pipe joint pushing device II and the pipe joint rotating device are arranged on the trolley. According to the pipeline transportation aligning system, hoisting equipment is not needed, safety and high efficiency are achieved, and the pipe joints can be directly pushed to the pipeline aligning vehicle from the pipeline transportation engineering vehicle.