8results about How to "Ground pressure is small" patented technology

The invention discloses a wide crawler walking device suitable for seabed thin and soft geology, which realizes stable walking of a deep-sea heavy-load mining operation platform on a thin and soft substrate through a high-tooth large-width composite material crawler walking mechanism, and provides a power driving guarantee for later operation of a heavy and heavy collection device. The crawler walking module is used for providing enough traction force for the mining vehicle, so that the mining vehicle can normally run on the complex bottom surface of the seabed. A crawler walking device is located in a chassis, the overall width of a vehicle body is reduced, a main beam of the chassis penetrates through trolley frames on the two sides, chassis secondary beams are welded to outer side panels of the trolley frames, the bearing capacity of the chassis is improved, the trolley frames are of a simple frame structure, and through holes and open grooves are machined in left and right outer side plates of the trolley frames and used for installing driving wheels, guide wheels and bearing wheels. Welding or bolt connection of other wheel train installation type structural parts is omitted, the lightweight design is met, and the structural strength is enhanced.

The utility model discloses an all-terrain attitude-adjusting profiling mobile chassis, and relates to the technical field of harvesting agricultural machinery. The chassis comprises a chassis body, a front driving axle mechanism and a rear driving axle mechanism, walking wheels are four triangular crawler wheels, the contact area is large, the grounding specific pressure is small, the anti-sinking capacity is high, the left front triangular crawler wheel and the left rear triangular crawler wheel are synchronous, and the right front triangular crawler wheel and the right rear triangular crawler wheel are synchronous. Differential turning or turning with opposite directions of crawler wheels on two sides and in-situ turning can be realized during turning, and the turning radius is small, so that the equipment can steer in a narrow space, and the turning is flexible.

The utility model belongs to the technical field of pile stabilizing systems, and particularly relates to a high-efficiency self-walking and self-positioning amphibious pile stabilizing system which comprises a driving unit, height adjusting mechanisms installed on all walking mechanisms, and a holding arm mechanism installed on a sleeve of a main body structure frame and rotationally connected with the sleeve. The driving unit is in communication connection with the walking mechanism, the height adjusting mechanism and the holding arm mechanism, controls the walking mechanism to move to a target station based on information of the corresponding sensors, controls the height adjusting mechanism to adjust the height of the holding arm mechanism and the perpendicularity of the central axis of the pile foundation vertical limiting rings, and adjusts the distance between the pile foundation vertical limiting rings. Self-walking and self-positioning in the near sea area can be achieved, self-walking and self-positioning in the mud flat can also be achieved, the overall influence of wind waves and flow is small, the environmental adaptability is high, the perpendicularity of the pile foundation guide pipe can be automatically adjusted, and the piling perpendicularity requirement is met; and the positioning precision among four piles in one group can be accurately controlled.

The utility model relates to a paddy field plant protection machine with double-stage suspension tracked chassis, belongs to the field of agricultural machinery, the paddy field plant protection machine includes chassis device, two axle mechanical arm spraying device, DC drive motor, the chassis device includes built-in suspension device and external suspension device, and both can realize the buffer of small amplitude terrain height difference and large amplitude terrain height difference, the two axle mechanical arm spraying device covers the plant type change of crops whole growth period depending on horizontal rotation joint and pitch swing arm joint, realizes target site precision pesticide application, the DC drive motor provides power for tracked walking, realizes steering through setting up different rotating speed on both sides, guarantees muddy road surface traction and small field block steering flexibility.

The present application relates to the technical field of coal mine, and disclose a kind of anti-explosion diesel engine caterpillar support carrier, power module is set to the inside front end of bearing platform, operating module is set to the front end of bearing platform, walking module is set to the both sides of bearing platform, the rear end of bearing platform is provided with bearing assembly;The present application adopts caterpillar chassis walking structure, reduces ground specific pressure, improves the passability of equipment in muddy, rugged underground road, avoids skidding, car sinking situation, ensures that handling operation continuously and efficiently, and wide caterpillar chassis contact area effectively disperses weight, reduces the pressure of roadway floor, reduces ground wear and damage, prolongs the service life of roadway, simultaneously can pass through the differential control of left and right caterpillar chassis, and support vehicle can realize in situ steering, greatly reduce the turning radius, means that even in extremely narrow roadway or right-angle bend, direction can be flexibly adjusted, without excessive retreat or adjustment space.

The application provides an amphibious double-arm chain saw cutting device, and relates to the technical field of engineering machinery, which comprises a catamaran type floating box track system, a double-arm chain saw cutting system, a power and hydraulic system, an intelligent control and safety system, and a support and function expansion system, and is characterized in that the catamaran type floating box track system provides an amphibious walking foundation and buoyancy support for the device, and at least comprises a floating box track frame, a sealed track plate, a walking mode switching mechanism and a dynamic buoyancy adjusting mechanism. Compared with the prior art, the device has the following beneficial effects: 1) the floating box track structure and the sealing design enable the device to stably work in water, and the land ground pressure ratio is reduced; 2) the double-arm cutting efficiency is improved, and the device supports multi-task parallel operation in complex terrain; and 3) a load-sensitive hydraulic system and a sensor network realize energy consumption optimization and action precision control.

The utility model discloses a paddy field land leveler, it includes frame, the outside rotation of frame is connected with the small rail of pressing, the outside fixed connection of small rail of pressing has the depth roller, the inside fixed connection of depth roller has a plurality of land leveler spades, the outside fixed connection of frame has chain. Through above -mentioned structure, installed a small rail of pressing outside land leveler spade, paddy field soil moisture content is high, and the weak bearing capacity, and the equipment is easy to sink in the mud because of the weight or uneven stress when working. The small rail of pressing increases the contact area with the ground, disperses the pressure of the equipment on the soil, reduces the risk of sinking, especially in the deep mud foot paddy field effect is remarkable, there is a small rail outside the chain, so that the paddy field soil moisture content is high, and the weak bearing capacity, and the traditional land leveler is easy to cause the tire or track to sink the car because of the weight of the machine body, affects the operation efficiency. The small rail increases the contact area with the ground, disperses the pressure of the equipment, reduces the specific pressure of the ground, and reduces the risk of sinking.

The invention relates to the technical field of conveying equipment, and discloses a mining conveying system. The mining conveying system comprises a machine tail, a conveying main body and a machine head which are sequentially connected, wherein the conveying main body comprises a transition conveying unit and a standard conveying unit which are connected. The transition conveying unit comprises a plurality of first belt frames and a first crawler traction system, the first crawler traction system comprises a plurality of first walking frames and a first crawler assembly which are movably connected in sequence, the first crawler assembly is wound around the first walking frames, and the first belt frames are arranged on the first walking frames; the heights of at least part of the first belt frames in the plurality of first belt frames are adjustable; the standard conveying unit comprises a plurality of second belt frames and a second crawler traction system, the second crawler traction system comprises a plurality of second walking frames and a second crawler assembly which are movably connected in sequence, the second crawler assembly is wound around the second walking frames, and the second belt frames are arranged on the second walking frames. According to the conveying system, the material conveying efficiency is improved.