38results about How to "Improve anti-roll performance" patented technology

The invention provides a mid-engine incremental stroke electric vehicle. The electric vehicle comprises a vehicle body, a turbo shaft engine (1), a battery pack (2), a generator (3), a whole vehicle controller (4), a driving motor (5), a gas controller (6), a battery controller (7), a gas holder (8) and a gas inlet tank (12), and is characterized in that the vehicle body comprises a vehicle main body, wherein the bottom structure of the vehicle main body forms a vehicle frame; the turbo shaft engine (1) is distributed between a front axle and a rear axle and is close to the vehicle frame of the rear axle; the axis of the output shaft of the turbo shaft engine (1) is positioned on the symmetry planes of the vehicle body; the air inlet of the turbo shaft engine (1) faces towards the tail of the vehicle; the gas inlet tank (12) is communicated with the air inlet of the turbo shaft engine (1); the gas inlet tank (12) is communicated with a gas inlet grille on a vehicle covering piece. The electric vehicle has the characteristics of high energy conversion efficiency, good operating performance, long driving mileage and high vehicle body structural strength.

The invention relates to the technical field of railway vehicle connecting pieces, in particular to a connecting device of a railway vehicle side rolling resistant torsion bar device and a vehicle body. The connecting device comprises a structure member and an elastic rubber joint, wherein the structure member is used for being fixedly connected with an upper connecting rod head shaft of the side rolling resistant torsion bar device; the elastic rubber joint is used for being fixedly connected with the vehicle body; two installation holes are arranged on the structure member and distributed in the vertical direction; central axes of the holes are vertical to each other; the upper connecting rod head shaft of the side rolling resistant torsion bar device is in interference fit with the lower installation hole; the elastic rubber joint is tightly installed on the upper installation hole and connected with the vehicle body by screws or bolts; and the invention ensures that the vehicle has favorable flexibility coefficient and side rolling resistant capability, can ensure that the side rolling resistant device can not form excessive restraint on the side rolling of the vehicle body relative to a bogie and mitigate moving action force between the vehicle body and the side rolling resistant torsion bar device when the side rolling resistant torsion bar device acts and improves dynamic performance indexes, such as wheel load reducing rate, and the like when the vehicle passes through a curve or is driven on a line with larger line unevenness.

The invention discloses a self-propelled marine wind-power engineering operation boat capable of operating by sitting on the sea bed. The operation boat comprises two boat units, anchoring systems and a hoist, wherein the anchoring systems are disposed at boat stems and boat sterns. The two boat units are connected through a connecting bridge, the hoist is disposed in the middle of the connecting bridge and on a hoist frame, side propellers are mounted at the front ends of the two boat units, full-rotation propellers are mounted at the sterns of the two boat units, and the hoist is a full-rotation hoist. The self-propelled marine wind-power engineering operation boat is fine in rolling resistance, thereby rolling caused by sea waves, winds and tides when the operation boat operates under the marine environment is low, affection on hoisting and mounting operations can be reduced maximally, and operation efficiency can be improved. Hoisting can be completed at one time as hoisting on lands. By the aid of the full-rotation propellers mounted at the sterns of the boat units, the self-propelling function is added into an operation boat without the self-propelling function, and voyage and dispatching of the self-propelled marine wind-power engineering operation boat can be realized without a tugboat.

The invention relates to a vehicle suspension. The vehicle suspension comprises a power regulating unit and an even number of oil cylinders, wherein the oil cylinders are divided into a left oil cylinder group and a right oil cylinder group, oil cylinders in the left oil cylinder group are in one-to-one correspondence to the oil cylinders in the right oil cylinder group, and the rod cavity of each oil cylinder in the left oil cylinder group is communicated with the rodless cavity of the corresponding oil cylinder in the right oil cylinder group; the oil cylinders are communicated with the power regulating unit. The vehicle suspension has the advantages that the rod cavities and the rodless cavities of the oil cylinders are connected, the motion tendency of the suspensions on two sides during vehicle during vehicle turning and roll, and a good anti-roll effect is achieved; the rodless cavities are parallelly connected with two energy accumulators, the rigidity of the suspension can be regulated according to driving conditions, and riding comfortableness and operation stability are increased effectively.

The invention discloses a rail vehicle which is suitable for travelling on a rail. The top of the rail is provided with a groove extending in the length direction of the rail; the rail vehicle comprises a vehicle body and a guiding device; the guiding device comprises a bogie, walking wheels and a plurality of guiding wheels; the bogie is arranged on the bottom of the vehicle body in order to support the vehicle body; the walking wheels are arranged on the bottom wall of the bogie in a rotatable manner and are supported in the groove; the plurality of guiding wheels are arranged on the bottom wall of the bogie and are arranged on two sides of the walking wheels; when the walking wheels are positioned in the groove, the guiding wheels positioned on two sides of the walking wheels are respectively contacted with opposite outer sidewalls of the rail. The rail vehicle has a guiding function and is beneficial to achieving low-floor rail vehicles, when the vehicle body are inclined, the guiding wheels can give downward torque components not upward torque components to the bogie, and therefore the side-rolling resistance and crosswind resistance of the rail vehicle are improved, and the operation stability of the rail vehicle is improved.

The invention discloses a tower crane which comprises a slewing platform (1), as well as a lifting arm(2) and a balancing arm (3) which are fixed on the slewing platform (1); the lifting arm (2) and the balancing arm (3) respectively extend in the opposite directions from the slewing platform (1) along a first axis (X) approximately; the tower crane further comprises two support parts (4) and at least four guy cables (5); the two support parts (4) are rotationally hinged on the slewing platform (1) around the slewing platform (1), and respectively extend in the opposite directions from the slewing platform (1) along a second axle (Y) crossing the first axie (X) approximately; and each support part (4) is respectively connected with the lifting arm (2) and the balancing arm (3) through thetwo guy cables (5). The side-tipping prevention capability can be enhanced without increasing the self stiffness of the lifting arm.

A back-retraction fin stabilizer retracting and extending mechanism is mainly used for solving the technical problems of anti-rolling performance improvement. The back-retraction fin stabilizer retracting and extending mechanism is characterized in that an adjusting plate with an adjustable thickness is assembled on a front vertical plate of a fin box; the adjusting plate is correspondingly sleeved on one end of a guide sleeve and is in contact with one end of a slide sleeve in the working position of the fin; another adjusting plate with an adjustable thickness is assembled on the rear vertical plate of the fin box on the other end of the guide sleeve and is in contact with the other end of the slide sleeve in the fin retracting position; and a radical spherical plain bearing is arranged on a retracting and extending connection rod; a rotating arm has a combination structure; and a split-type dustproof ring is adopted. The back-retraction fin stabilizer retracting and extending mechanism is suitable for various back-retraction fin stabilizers.

The invention discloses a steering and suspension integrated anti-roll structure, which comprises a hydraulic oil tank, wherein the hydraulic oil tank is connected with an oil pump through a hydraulicpipeline; the oil pump is connected with one end of the hydraulic cylinder via a first main oil way through a channel electromagnetic valve, one end of the hydraulic cylinder is connected with the hydraulic oil tank through a first electromagnetic valve, the oil pump is connected with the other end of the hydraulic cylinder via a second main oil way through the channel electromagnetic valve, andthe other end of the hydraulic cylinder is connected with the hydraulic oil tank through a second electromagnetic valve; and the first main oil way is connected with a first air spring through a fourth electromagnetic valve, the second main oil way is connected with a second air spring through a third electromagnetic valve, and the first air spring is connected with the second air spring through afifth electromagnetic valve. When an automobile steers, the ECU controls on-off of the electromagnetic valve according to sensor information, the volume of the air spring is changed through a steering hydraulic system on the basis of air spring intercommunication, and the anti-roll effect is enhanced.

The invention belongs to the technical field of vehicle suspension system, and specifically relates to a vehicle air suspension system and a vehicle. The vehicle air suspension system comprises a stabilizer bar assembly and a height sensor. The height sensor is arranged on a sensor support. The stabilizer bar assembly comprises a lower guiding arm and a stabilizer bar. One end of the lower guidingarm can be connected with an air bag lower support on an axle of a vehicle. The other end of the lower guiding arm is connected with the stabilizer bar. Two ends of the stabilizer bar are respectively connected with stabilizer bar supports on two sides of a frame of the vehicle. The sensor support is arranged on the middle position of an axial direction of the stabilizer bar. Through using the vehicle air suspension system and the vehicle, the height sensor can control an air path to inflate and deflate an air bag of a suspension system according to a detected value, so as to improve stability of the vehicle, and improve anti-roll ability of the vehicle.

The invention relates to a telescopic fin stabilizer for an unmanned ship, a control system and a control method, the fin stabilizer comprises a fin blade part, a first power mechanism, a first transmission mechanism, a fin shaft and a fin shaft limiter, and the fin blade part comprises a main fin unit, a second power unit, a second transmission mechanism and an auxiliary fin; the first power mechanism is connected with the fin shaft through the first transmission mechanism, the fin shaft is connected with the main fin unit and used for achieving unfolding and folding of the main fin unit, andmeanwhile the fin shaft limiter is installed on the first transmission mechanism and used for preventing the main fin unit from excessively stretching and locking the working state. The auxiliary finis mounted on the main fin unit, is connected with the second power unit through the second transmission mechanism, and is used for controlling the auxiliary fin to extend when the anti-rolling moment of the main fin unit is insufficient. Compared with the prior art, the telescopic fin stabilizer has the advantages that occupation of the internal space of the unmanned ship is reduced, enough anti-rolling torque can be provided under the condition that the navigational speed is not affected as much as possible, and the like.

The invention discloses a high-speed rail vehicle bogie which is arranged in an inner axle box mode, a hinged framework is supported on the inner side of a wheel set, the curve passing performance ofthe bogie can be effectively improved, the hinged framework is of a double-T-shaped structure, the central axes of cylindrical beams of two T-shaped side beams coincide, one cylindrical beam stretchesinto the other cylindrical beam. Two bearings with a certain transverse span are arranged between the two T-shaped side beams, the two T-shaped side beams can rotate freely, the torsional rigidity ofthe bogie is zero, the uniform load capacity, the line adaptability, the curve trafficability and the high-speed operation stability of the bogie are enhanced. The contradiction between the operationstability and the curve trafficability of a traditional bogie is fundamentally solved, the two primary suspension devices are adopted, the positioning rigidity of the primary suspension devices in all directions can be determined by independent components, the positioning rigidity of the primary suspension devices in all directions can be optimal at the same time, and parameters are more accurateand reliable.

The invention discloses a camera adjusting device for video conference. According to the key points of the technical scheme, the camera adjusting device comprises a camera mounting plate and a telescopic pipe, and the telescopic pipe comprises an outer pipe and an inner pipe; the inner diameter of the outer pipe is larger than the outer diameter of the inner pipe, and the inner pipe is arranged inthe outer pipe; the upper end of the inner pipe is located above the outer pipe, and a movable supporting device is arranged at the lower end of the outer pipe; a lifting rod is arranged on the lowerend wall of the inner pipe, and penetrates through a guide through hole; the end, away from the inner pipe, of the lifting rod is located on the outer side of the outer pipe, and a fixing block is welded on the upper end wall of the inner pipe; the face, connected with the inner pipe, of the fixing block is an arc-shaped face which is attached to the outer wall of the inner pipe; the face, opposite to the arc-shaped face, of the fixing block is a plane, and a connecting rod is hinged to the plane of the fixing block through a hinge bolt; and the camera mounting plate is arranged at the end, away from the hinge bolt, of the connecting rod. The camera adjusting device has the advantages of the simple structure, low manufacturing cost and convenient regulation of the camera position.