A travelling and steering servo driving wheel integrating hydraulic brake and suspension system comprises a suspension box, a suspension, a straight-moving transmission chain, a steering transmission chain, a shock absorption module, a brake module and a controlling module. A rotary support is arranged between the suspension box and the suspension, the straight-moving transmission chain is connected with the shock absorption module, and the shock absorption module and the brake module are both arranged on the suspension; the steering transmission chain comprises a steering actuating mechanism and a steering testing mechanism, the steering actuating mechanism is connected with the suspension box and the outer circle of the rotary support in sequence, and the output end of the steering actuating mechanism is connected with the inner circle of the rotary support and the suspension in sequence. The steering testing mechanism is arranged on the suspension box and connected with the steering actuating mechanism through a gear in a drive mode, and the controlling module comprises a straight-moving speed closed-loop control unit, a steering position closed-loop control unit and a brake control unit. The driving wheel is compact in structure and good in operation, integrates a driving device, an electronic controlling device, a brake device, a block absorption device, a testing device and a controlling device as a whole, and is precise in speed and angle control.

Travelling and steering servo driving wheel integrating hydraulic brake and suspension system

The invention belongs to a multifunctional full-hydraulic square-shaped culvert installing cart. The multifunctional full-hydraulic square-shaped culvert installing cart comprises a cart body (1), and is characterized in that an engine (54) and the cart body (1) are fixed through bolts; a first wheel frame (3) and a first oil cylinder (2) are connected through a first bolt (5); a steering mechanism (10) is fixed to the cart body (1) and connected with a steering oil cylinder (57) through an oil pipe to achieve steering; two third wheel frames (48) are connected with the steering oil cylinder (57) through fourteenth shafts (56), and the steering oil cylinder (57) is rotationally connected with a sliding block (59) fixed to a steering wheel lifting frame (52); and a second wheel frame (37) slides along a second slide way (41) fixed to the cart body (1), and vertical moving of second tires (39) is achieved. According to the multifunctional full-hydraulic square-shaped culvert installing cart, all procedures of concrete prefabricated square-shaped culvert transporting, aligning and butt joint installing are finished at a time, efficiency is high, needed workers are few, and safety is good.

Multifunctional full-hydraulic square-shaped culvert installing cart

The invention provides a rotatable wall-scraping type hydraulic vacuum dispersion machine. The rotatable wall-scraping type hydraulic vacuum dispersion machine comprises a lifting assembly, a rack rotation assembly, a main transmission assembly, a secondary transmission assembly, a stirring dispersion assembly and a vacuum assembly, a pump station is connected with the hydraulic cylinder through acontrol valve, a guide rod is slidably connected with a hydraulic cylinder shell, a shell of a gear ring is connected with a rotary support, a servo motor is connected with a center hole of a sun gear, the sun gear is connected with the gear ring through a planetary pinion, a large speed-adjusting motor is connected with a center hole of a large belt wheel, the outer edge of the large belt wheelis connected with the outer edge of a small belt wheel through a belt, a center hole of the small belt wheel is connected with the first end of a stirring shaft, a small speed-adjusting motor is connected with a scraper blade through a bevel gear, a center hole of a dispersing disc is fixedly connected with the second end of the stirring shaft, dispersing disc blades are distributed on the outer edge of the dispersing disc, and a vacuum sealing cover is connected with the top end of a stirring barrel. Coordination control and real-time detection can be carried out, mechanical-electrical-hydraulic integration and automatic production are achieved, the structure is compact, the functions are complete, and the manufacturing cost is low.

Rotatable wall-scraping type hydraulic vacuum dispersion machine

The invention discloses a heavy-load ladle transferring semi-trailer used on a road. The semi-trailer comprises a vehicle frame and a rotary supporting device arranged on the head portion of the vehicle frame and connected with a towing vehicle, the tail portion of the vehicle frame is provided with a suspension and a wheel device, the middle of the vehicle frame is provided with a hollow groove used for storing ladles, transportation heights of the ladles are reduced, the two sides of the groove are provided with limiting blocks used for limiting the front-back positions of the ladles and connected with the side walls of the ladles in a clamped mode, and an electric pipeline is of a double-layer insulating structure. The semi-trailer made according to the technical scheme can replace a ladle transportation vehicle used on a rail and a heavy-load ladle transferring vehicle used on the road for transferring of the heavy-load ladles, a special rail and equipment are needless, and the semi-trailer can run and be used for transferring the ladles on the conventional road in a factory and is simple in structure, good in economical performance, good in maneuverability, safe and stable.

Heavy-load ladle transferring semi-trailer used on road

The utility model relates to a planetary transmission hydraulic steering mechanism which comprises a rotary encoder, a hydraulic motor, a slewing bearing with an internal gear ring, planetary gears, a sun gear and the like; the internal gear ring of the slewing bearing and a vehicle frame are fixed; an outer ring of the slewing bearing is connected with vehicle wheel suspension and central shafts of the planetary gears; the hydraulic motor drives the sun gear; the internal gear ring, the planetary gears and the sun gear are formed into a planetary gear train; steering torque generated from the hydraulic motor is magnified to sufficiently push the vehicle wheel suspension to steer; the plurality of planetary gears are uniformly distributed to enable the hydraulic motor not to bear radial loads; and controlled feedback of steering angles of the vehicle wheel suspension is provided through the rotary encoder which is arranged on the hydraulic motor.

Planetary transmission hydraulic steering mechanism

The utility model relates to a low-height 900-ton-level concrete prefabricated box beam carrier vehicle which is composed of a rear cab, a power cabin, tires, hydraulic suspension devices, a rear feeding beam trolley, a main beam, hydraulic support legs, an electric winch, a steering mechanism, a front feeding beam trolley, a rear feeding beam trolley traction steel wire rope and a front cab, wherein the hydraulic suspension devices are distributed on the front side and the rear side of the main beam, the tires are arranged on the hydraulic suspension devices, and a first hydraulic support leg is arranged in the middle of the main beam. The rear beam feeding trolley and the front feeding beam trolley are arranged at the front position and the rear position above the main beam, and prefabricated box beams are placed on the rear feeding beam trolley and the front feeding beam trolley. The rear feeding beam trolley is connected with the electric winch which is arranged in the space on the lateral surface of the middle of the main beam, and two steel wire ropes are wound on a barrel of the electric winch and connected with the front surface and the rear surface of the rear feeding beam trolley through redirection pulleys at two ends of the main beam. A second hydraulic support leg is arranged under the front end of the main beam. The low-height 900-ton-level concrete prefabricated box beam carrier is simple in structure, novel in design and convenient to use.

Low-height 900-ton-level concrete prefabricated box beam carrier vehicle

The utility model belongs to the technical field of heavy-cargo transportation vehicles, particularly to a planetary gooseneck steering mechanism. The planetary gooseneck steering mechanism mainly comprises a traction pin, a sun gear which is connected with a traction pin seat, a slewing bearing internal ring with an internal gear ring, a slewing bearing external ring, a steering frame which is connected with a planetary gear and a steering driving oil cylinder; the height of the traction pin seat can be different; a certain transmission ratio is generated between the movement of the traction pin seat and the steering frame through a planetary gear train; the steering frame can be connected with the single-layer or double-layer driving oil cylinder; and the oil cylinder can be connected at two positions. The planetary gooseneck steering mechanism has the advantages of being novel in design, simple and compact in structure and safe and convenient to use.

Jiang Ming

Papers

Planetary transmission hydraulic steering mechanism

Low-height 900-ton-level concrete prefabricated box beam carrier vehicle

Planetary gooseneck steering mechanism