68results about How to "Low center of mass" patented technology

The invention relates to a vehicle frame with full load, wherein the whole vehicle, via front surround skeleton, back surround skeleton, left surround skeleton, right surround skeleton, top cover skeleton and bottom support, forms one integrated frame, to improve the fastness of frame. Via each node, upright post, longitudinal beam, incline support, horizontal bema, bended beam, or plates, the front and back of frame are through, the upper and lower are through, and the left and right are connected to form a closed force loop; therefore, the force can be distributed to everywhere of frame, to be functioned uniformly and avoid supporting on one point; and the structure is formed by rectangle steel tubes whose strength is 3-6 times of common vehicle with reduced weight. With said invention, the deformation of impacted vehicle is minimum to protect passengers.

The invention discloses a force-bearing integrated structure with honeycomb-sandwich storage boxes. The force-bearing integrated structure comprises a plurality of storage boxes connected mutually, wherein the storage boxes are uniformly paved along the circumference; adjacent storage boxes are mutually embedded, flanges are connected by the storage boxes, and clamping blocks and wrapping belts are mutually connected; the load acting positions of the top part and the bottom part of each storage box are respectively provided with a claw-shaped force-transferring structure in an embedded manner; and the claw-shaped force-transferring structures are respectively connected with upper flanges and lower flanges. Different from the traditional satellite design that the actions of structure subsystems and propelling subsystems are completely separated and independent, main force-bearing structures of the structure subsystems and the storage boxes of the propelling subsystems are shared by the force-bearing integrated structure with the storage boxes, so that a spacecraft has compacter appearance and distribution, and further the mass of the structure subsystems and the mass of the propelling subsystems are reduced.

The invention discloses a rhombus four-wheel gantry type high-ground-clearance cultivator. The rhombus four-wheel gantry type high-ground-clearance cultivator comprises a chassis, a front cultivator frame, a rear cultivator frame, a left side arm and a right side arm, wherein the front cultivator frame, the rear cultivator frame, the left side arm and the right side arm are respectively located above the chassis, the left side arm is connected with the front cultivator frame, and the right side arm is connected with the rear cultivator frame. Four wheels arranged at the bottom of the chassis are distributed in a rhombus shape. The four wheels comprise the front wheel, the rear wheel, the left wheel and the right wheel, wherein the front wheel is located at the front end of the front cultivator frame, the rear wheel is located at the rear end of the rear cultivator frame, the left wheel is located outside the left side arm, the right wheel is located outside the right side arm, the left wheel is connected with the left side arm through a left wheel hydraulic motor, the right wheel is connected with the right side arm through a right wheel hydraulic motor, the front wheel and the rear wheel are not only steering wheels but also driving wheels, and the left wheel and the right wheel are driving wheels. The rhombus four-wheel gantry type high-ground-clearance cultivator has the advantages that the height of center of mass is small, the stability is good, and the rhombus four-wheel gantry type high-ground-clearance cultivator is suitable for operation of crops with different planting line intervals.

The invention provides a hybrid propulsion cabin of a small high-orbit satellite common platform. The hybrid propulsion cabin comprises a platform cabin main force-bearing structure configured to provide an accommodating space, wherein the platform cabin main force-bearing structure comprises a satellite-rocket connecting ring; a plurality of storage tanks which are arranged in the accommodating space and are directly loaded on the satellite-rocket connecting ring; and an air path assembly which is arranged in the accommodating space so that the load of the air path assembly is transmitted tothe satellite-rocket connecting ring through the platform cabin main force bearing structure.

A bobber having an internal light for illuminating bait suspended in the water below the bobber is provided. The bobber has a wide upper portion and a lower portion in the shape of an inverted cone pointed downward into the water when the bobber is floating. The internal light is positioned in the lowest part of the bobber when the bobber is in an upright vertical position. The bobber is very stable in the water and effectively and consistently focuses the light directly on the bait. Thus, the bobber is particularly effective in attracting fish to the bait.

The invention discloses a special chassis with a gate-type transmission system for a snow sweeper. The special chassis comprises an engine, a transmission, a plurality of transmission shafts, a snow removing mechanism, a transfer case, a front axle and a rear axle. The engine is installed below a cab of a whole vehicle body. The transmission is mounted at an output end of the engine; the transmission shafts comprise a transmission shaft A, a transmission shaft B, a transmission shaft C, a transmission shaft D and a transmission shaft E; the snow removing mechanism is mounted in the middle of the vehicle body; included angles between the transmission shafts B and E and a horizontal plane are reduced compared with that of an existing transmission shaft; abrasion of the transfer case and an axle internal gear is decreased so that a failure rate is greatly reduced, transmission stability is improved, and meanwhile, a noise is reduced; and due to a fact that the included angle between the transmission shaft B and the transmission shaft E is reduced to be smaller than 7 degrees, a height of the main frame and the height of the cab of the vehicle body are decreased, the mass center of thewhole vehicle is reduced, running stability of the vehicle is improved, and meanwhile workers can get on and off the vehicle more conveniently.

The invention relates to a layered frame for a launching vehicle, which comprises a bottom framework assembly, a middle framework assembly, a left top layer framework assembly and a right top layer framework assembly; the middle layer framework assembly is welded and fixed with the bottom layer framework assembly through lower ends of a supporting upright post and a hanging upright post on a second left longitudinal connecting beam and a second right longitudinal connecting beam; the left top layer framework assembly and the right top layer framework assembly are welded and fixed with the upper ends of the supporting upright post and the hanging upright post; the left end and the right end of a first cross connecting beam of the bottom layer framework assembly are welded and fixed with the left top layer framework assembly, the right top layer framework assembly and the middle layer framework assembly through a left connector and a right connector correspondingly. The layered frame has the advantages of being light in weight, big in load, stable in structure, and relatively low in centroid; the safety of the launching vehicle and the high-speed driving stability are effectively improved.

The invention provides an automobile battery carrying board assembly structure. The structure comprises two parts of a left battery carrying board assembly (1) and a right battery carrying board assembly (2). The left battery carrying board assembly (1) and the right battery carrying board assembly (2) are symmetrically arranged. The left battery carrying board assembly (1) comprises a left battery carrying board subassembly (3), a left battery carrying board beam structure assembly (4), a battery installation beam assembly (5) and a left shock absorption sealing pad (6); and the left batterycarrying board subassembly (3), the left battery carrying board beam structure assembly (4), the battery installation beam assembly (5) and the left shock absorption sealing pad (6) are in lap joint sequentially. By the adoption of the provided automobile battery carrying board assembly structure, a power battery pack can be firmly fixed to a lower vehicle body of a vehicle body and can be well protected.

The invention provides an anti-rollover transport tanker. The anti-rollover transport tanker comprises a frame, an axle mounted below the frame, and a hydraulic interconnection suspension for connecting the frame with the axle, wherein the hydraulic interconnection suspension comprises two suspension mechanisms and a connecting mechanism, the two suspension mechanisms are arranged on two sides ofthe frame respectively, each suspension mechanism comprises at least one damping valve block and at least two hydraulic shock absorbers, the hydraulic shock absorbers of the suspension mechanisms enable oil cavities of the hydraulic shock absorbers of the suspension mechanisms to be communicated with each other through at least one damping valve block, and enable pressure cavities of the hydraulicshock absorbers of the suspension mechanisms to be communicated with each other, a top end of each hydraulic damper is connected with the frame, a bottom end is connected with an axle, the connectingmechanism comprises a plurality of connecting pipes which are arranged in parallel, each connecting pipe is connected between the damping valve blocks corresponding to the two suspension mechanisms,so hydraulic oil in the oil cavities of the hydraulic shock absorbers between the two suspension mechanisms is communicated, and pressure in the pressure cavities of the hydraulic shock absorbers between the two suspension mechanisms is communicated.

The invention discloses a reinforced semitrailer back-tipping carriage which comprises an auxiliary frame fixedly connected with a carriage body bottom plate and a main frame. The tail end of the main frame is hinged to the tail end of the auxiliary frame through a pin. The whole auxiliary frame is of a gooseneck shape and comprises an auxiliary frame front part, an auxiliary frame rear part and an auxiliary frame transition part, wherein the horizontal plane of the auxiliary frame rear part is lower than the auxiliary frame front part, and the auxiliary frame front part and the auxiliary frame rear part are connected through the auxiliary frame transition part. The whole main frame is of a gooseneck shape and comprises a main frame front part, a main frame rear part and a main frame transition part, wherein the horizontal plane of the main frame rear part is lower than the main frame front part, and the main frame front part and the main frame rear part are connected through the main frame transition part. The reinforced semitrailer back-tipping carriage is characterized in that two main longitudinal beams of the main frame rear part are fixedly connected with a lower cover plate through the upper cover plate close to the pin. Compared with the prior art, the reinforced semitrailer back-tipping carriage can bear large vertical load, large horizontal load and distortion force. Under circumstances such as carriage body rollover, distortion of the main frame can be prevented, normal driving can be achieved by centralizing the carriage body, maintaining cost is lowered, and the service life is prolonged.

The invention provides a foldable separated satellite platform. The foldable separated satellite platform comprises a first satellite sub-platform, a second satellite sub-platform and a third satellite sub-platform. The first satellite sub-platform, the second satellite sub-platform and the third satellite sub-platform are connected through extensible assemblies. During launching, the three satellite sub-platforms are closed to form the whole satellite platform, and the extensible assemblies are contracted. After a satellite enters an orbit, the first satellite sub-platform, the second satellite sub-platform and the third satellite sub-platform are unfolded and connected through the extensible assemblies, and the extensible assemblies are stretched. The foldable separated satellite platform is suitable for a large-caliber long-focus optical satellite, the problems that after the whole satellite enters the orbit, the satellite inertia is too large, and the mass center of the whole satellite deviates out of the satellite body are solved, and satellite control system design is benefited.

The invention discloses a high-rigidity and high-damping satellite platform configuration, which belongs to the field of overall design of spacecrafts and comprises a satellite-rocket butt joint ring used for being in butt joint with a rocket adapter; a mounting plate, wherein one side of the mounting plate is fixedly connected with the satellite-rocket butt joint ring, the other side of the mounting plate is fixedly connected with an optical load plate, and the optical load plate bears an optical load; damping layers which are laid on the outer surface of the optical loading plate and the outer wall of the satellite-rocket butt joint ring; a restraint layer which is laid on the outer surface of the damping layer; the mounting plate comprises a butt joint plate, a partition plate, an outer plate and an optical load plate; the partition plate is of a #-shaped structure, the outer plate is arranged on the periphery of the partition plate, the butt joint plate, the partition plate, the outer plate and the optical load plate are all aluminum honeycomb sandwich plates, and embedded parts are embedded in the single-machine equipment installation position and the rigidity reinforcing position of the aluminum honeycomb sandwich plates. The high-rigidity and high-damping satellite platform configuration has advantages of convenient single equipment configuration and installation, and high space utilization ratio. On the premise that the system is high in rigidity and small in additional mass, structural damping is effectively increased so as to attenuate vibration response of all components of the system.

The invention relates to a guide support (1) for a follower plate pump (7), said support having at least one guide element (2) for guiding the follower plate (6). After being placed on the container (10) that is to be pumped out, the guide support (1) is immersed in the container (10) together with the follower plate in a guided manner.

The invention discloses an inertia wave energy power supply buoy. The inertia wave energy power supply buoy comprises a buoy shell and a power generation device and is characterized in that the powergeneration device is composed of an inertia pendulum located in the buoy shell, and the inertia pendulum swings in the buoy shell; the inertia pendulum comprises an energy capturing mechanism which converts back-and-forth swing of the inertia pendulum driven by waves into back-and-forth rotation to be output; a turning mechanism which is used for converting the back-and-forth rotation output by the primary energy capturing mechanism into single-direction rotation; and a power generator which is driven to generate electricity through the single-direction rotation output by the turning mechanism. Compared with the prior art, according to the inertia wave energy power supply buoy, a wave energy conversion mechanism is integrated in the inertia pendulum, the mass ratio of the inertia body relative to the buoy is increased, and therefore the energy capture efficiency is improved.