40results about How to "Smooth and safe movement" patented technology

The invention discloses an articulation method of a fixed articulation of a low-floor vehicle and an articulation device of the fixed articulation. The articulation method of the fixed articulation of the low-floor vehicle comprises the steps of firstly assembling metal spherical plain bearing in the fixed articulation of the low-floor vehicle into a whole, connecting the integral metal spherical plain bearing with an upper fixed support of a vehicle body through first connecting pieces and connecting the integral metal spherical plain bearing with a lower fixed support of another vehicle body through second connecting pieces so as to connect the adjacent two vehicle bodies. The articulation method of the fixed articulation of the low-floor vehicle and the articulation device of the fixed articulation change a center pin structure connection method in the prior art, and can not only meet the running requirement of the low-floor vehicle, but also allow the articulation device of the whole fixed articulation to be simple and compact in structure, thereby decreasing the demand for installation space, reducing the difficulty of assembly and disassembly of the whole fixed articulation and reducing the difficulty of maintenance.

The invention relates to an unmanned aerial vehicle undercarriage with a double damping function. The unmanned aerial vehicle undercarriage comprises a delta parallel mechanism, a battery box and a damping undercarriage, wherein the battery box is located at the middle of the delta parallel mechanism; the damping undercarriage is located under the delta parallel mechanism; the damping undercarriage is fixedly connected with the delta parallel mechanism. The unmanned aerial vehicle undercarriage has a double damping effect; the damping effect is obvious and effective; the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced; the damage to the body of the unmanned aerial vehicle when the unmanned aerial vehicle lands is reduced; the delta parallel mechanism which has the advantages of compact and flexible structure, high moving stability and excellent damping property is adopted, so that the vibration generated between the ground and the unmanned aerial vehicle while landing is reduced, the displacement caused by recoil force when the unmanned aerial vehicle is in contact with the ground is made up and the safety and the stability when the unmanned aerial vehicle lands are promoted.

The invention provides a support for a kart. The support for the kart comprises a seat assembly, a front fork assembly and two control handle assemblies. The seat assembly comprises a seat support and a rotary shaft arranged on the seat support. The front fork assembly comprises a connecting rod, a foot stand cross rod and a universal wheel, wherein the foot stand cross rod and the universal wheel are fixed to the connecting rod. The end, away from the universal wheel, of the connecting rod is connected with the seat assembly. The two control handle assemblies are arranged on the two sides of the seat assembly correspondingly and both rotatably connected with the rotary shaft on the seat assembly. The support can be assembled on an electric balance car, and the kart which is controlled through the control handle assemblies to advance, retreat, turn, brake and make other motions is formed; the overall structure of the support is convenient to dismount and mount, and the support is convenient to transport; and the kart is more stable and safer in the whole movement process of the kart, and the using requirement of people for the whole electric balance car is well met.

The invention discloses a novel aerator which has the advantages of simple structure and stability and safety in operation. The novel aerator is characterized in that the novel aerator comprises an overturning type water stirring device with a main shaft, floating bodies arranged on two sides of the axial direction of the overturning type water stirring device, and an installation bracket connected with the two floating bodies, wherein the overturning type water stirring device is installed on the installation bracket and comprises a plurality of water stirring plates; the main shaft is positioned along the length direction of the floating body and deviates from the middle of the floating body; a balancing weight is arranged on the other side, which deviates from the middle of the floatingbody, of the installation bracket. The novel aerator can be used for the technical field of aquaculture equipment.

The invention relates to devices in the technical field of photoelectric signal detection, in particular to a self-adaptive follow-up device for an open type grating reading head. The self-adaptive follow-up device solves the problems that the installation structure of an existing grating reading head is not easily adjusted, and the grating reading head cannot adapt to the external factor change, so that the distance between the grating reading head and a grating ruler cannot be automatically adjusted. According to the technical scheme, the self-adaptive follow-up device for the open type grating reading head comprises a rotation stopping sliding shaft, a guide post, a guide sleeve, a retaining ring, a rolling body, a spring, a reading head installation machine base, a guide lever supporting base, a guide lever, the grating reading head and a support assembly. The self-adaptive follow-up device can be installed on rotary body class parts and linear guide rails as well, when the guide rail shape changes or the temperature of the surrounding environment changes, the self-adaptive follow-up device for the open type grating reading head can also guarantee that the grating reading head is in an optical working state, and the adjustment principle is the same as above.

The invention relates to a collapse-preventive sensing device for an escalator. The device comprises a cover plate, and a support for mounting the cover plate, wherein sensing blocks are arranged below the cover plate, and the sensing blocks are correspondingly positioned at the left side and the right side of the cover plate; each sensing block is connected to a telescoping arm which is used forpushing each sensing block to leftwards and rightwards translate; one end of each telescoping arm is fixedly connected to the support, and the other endo of each telescoping arm is provided with a propping part; a mounting seat for mounting each sensing block is arranged on each propping part; the mounting seats are pushed by the propping parts to prop the cover plate through the sensing blocks; apressure sensor is arranged between each mounting seat and the corresponding sensing block; the mounting seats are connected to protecting mechanisms, and the protecting mechanisms form collapse preventing layers below the cover plate while the two mounting seats are close to each other. The device is capable of detecting in advance when the escalator does not run, so that the accident can be effectively prevented; the whole device is simple in structure, and safe and stable to move, and can be repeatedly used for a long term; the safety protecting performance of the escalator is improved.

The invention discloses a fixture for foaming of a refrigerator box body. The fixture includes a lifting transmission mechanism, a belt conveying mechanism, a supporting pipe mechanism, locking mechanisms, a turnover positioning mechanism, transmission limiting mechanisms and front baffle limiting mechanisms. The lifting transmission mechanism is internally provided with the belt conveying mechanism. The supporting pipe mechanism is arranged at the top of the belt conveying mechanism. The locking mechanisms are arranged on two sides of the lifting transmission mechanism correspondingly. The turnover positioning mechanism is arranged at the center of the top of the lifting transmission mechanism. The transmission limiting mechanisms are arranged on two sides of the turnover positioning mechanism, and the front baffle limiting mechanisms are arranged at the top and the bottom of the turnover positioning mechanism correspondingly. The lifting transmission mechanism, the belt conveying mechanism, the supporting pipe mechanism, the locking mechanisms, the turnover positioning mechanism, the transmission limiting mechanisms and the front baffle limiting mechanisms are combined to improvethe overall production efficiency and automation.

The invention discloses a waste collection device. The waste collection device comprises guide rails, a collection box and pull doors. The guide rails are fixed to a discharging opening of a lathe. The guide rails are vertically fixed to the ground. The collection box is fixed to the guide rails in a sliding fit manner. A double-layer sliding rail is arranged on the top of the collection box. Thepull doors are slidably arranged on the double-layer sliding rail. A handle is arranged on the surface of the collection box. A lifting device is fixedly arranged at the bottom of the collection box.Rolling wheels are arranged at the bottom of the lifting device. A pedal is fixedly arranged on one side of the lifting device. According to the waste collection device, by arranging the lifting device, height adjustment of the collection box is facilitated so as to make the collection box better combined with the discharging opening of the lathe, and the lifting height of hydraulic rods can be changed by adjusting hydraulic control valves, so that the dumping angle of the collection box is changed, the time and labor are saved, the situations that the workshop environment is contaminated andsafety accidents are caused due to waste chipping splashing are avoided by arranging the pull doors, and the structure is simple.

The invention relates to a two-floor cage type football field. The two-floor cage type football field comprises a first-floor cage type football field structure (1), a second-floor cage type football field structure (2), an overall stair structure (2), embedded part combinations (10) and a plastic-coated net (11), wherein the first-floor cage type football field structure (1) is fixed on the ground through the embedded part combinations (10), and the first-floor cage type football field structure (1) and the second-floor cage type football field structure (2) are fixedly connected through bolts (2). Besides, the invention further relates to an assembling method of the two-floor cage type football field. With development of the two-floor cage type football field, the blank in the prior art is filled up, one or more two-floor cage type football fields are possibly added on a one-floor building in any form for users with demand for the football field but without sufficient space, and the two-floor cage type football field is novel in structural design, safe and firm, thereby having broad market space.

The invention provides an apparatus and a method for automatically lifting a vehicle. The invention relates to the device and the method for automatically lifting the vehicle, wherein the device and the method are suitable for automatically lifting the vehicle such as an automobile to a required height. The invention provides the apparatus and the method for automatically lifting the vehicle, wherein the apparatus has advantages of ingenious structure, stable action and high use effect. The apparatus comprises a control system, an image photographing system, a lifter 4 and a driving device. The lifter 4 moves in a horizontal direction through driving of the driving device. The image photographing system can photograph an image above the lifter. The apparatus performs lifting according to the following steps: S1, standby; S2, data receiving; S3, parking; S4, photographing the image; S5, analyzing a vehicle orientation; S6, orientation adjustment; S7, searching a lifting point; S8, reference point alignment; S9, offset alignment; S10, lifting; S11, dropping; and S12, resetting. The apparatus and the method integrally have advantages of no manpower input requirement, stable and safe action, ingenious structure, clear logic, high use effect, etc.

The invention discloses a wall-climbing robot applicable to inner and outer walls of storage tanks with different curvature radiuses. The wall-climbing robot comprises a vehicle body unit, a directional wheel driving unit, a universal wheel follow-up units and a replaceable magnetic wheel unit, wherein the directional wheel driving unit and the universal wheel follow-up unit are sequentially and symmetrically arranged on the two sides of the vehicle body unit from front to back; and the vehicle body unit is of a cuboid box-shaped structure, array type high-performance type magnets are arranged on a lower cover plate of the vehicle body unit and matched with the replaceable magnetic wheel unit, a camera mounting box used for fixing a front camera is arranged on a front side plate of the vehicle body unit, and a rear camera is fixed to the rear portion of an upper cover plate of the vehicle body unit through a camera mounting plate. The vehicle body unit, the directional wheel driving unit and the universal wheel follow-up unit are combined according to the limited specific connection relation and position relation, and the inclination angle can be adjusted according to different wall surface conditions, so the effective adsorption area and distance of a permanent magnet to the surface of a tank body are guaranteed, and the adsorption effectiveness and safety of the robot on the surfaces with different curvatures are improved.

The invention relates to a recovering training pattern control system. The recovering training pattern control system comprises a passive recovering training pattern, an intelligent active recovering training pattern and a proprioception assessment pattern, wherein the passive recovering training pattern comprises a constant torque pattern and a constant rotational speed pattern; and the constant rotational speed pattern comprises a PID controller. The control method of the constant rotational speed pattern comprises the following steps of setting a target position; detecting errors between an actual position and the target position; through proportion operation, integral operation and differential operation, determining increased moment required by a servo motor; and enabling the servo motor to drive the equipment to move the actual position of a controlled object to the target position, and in the control process, realizing error feedback. According to the recovering training pattern control system disclosed by the invention, the PID controller is adopted, so that the whole moving process can be smooth and safe; the intelligent active recovering training pattern is adopted, so that when a patient needs help, a recovering robot can give assistance; and the proprioception assessment pattern is adopted, so that the sensing capability of sense organs to the body position, and the compensation capability to passive movement or interference can be inspected.

The invention relates to a rotary-table round tube cutting machine which comprises a rotary table and a cutting gun, wherein the rotary table is used for fixing a round tube and equipped with a motor;the motor is used for driving the rotary table to rotate; the cutting gun is detachably arranged on the bracket, so that the position of the cutting gun can be adjusted and then the cutting gun can get in touch with the to-be-cut round tube; during the cutting process, the position of the cutting gun is fixed, the round tube is driven by the rotary table to rotate, and the cutting gun is used forcircumferentially cutting the round tube; in order to better fix the round tube, a fixing seat used for fixing the to-be-cut round tube is arranged on the rotary table; the fixing seat comprises a baseplate; a first baffle plate and a second baffle plate are oppositely erected on two sides of the baseplate; inclined supports are erected between the first baffle plate and the second baffle plate;the inclined supports on two sides are correspondingly connected with the corresponding side edges of the first baffle plate and the second baffle plate; and a fixing frame used for fixing the to-be-cut round tube is encircled by the first baffle plate, the second baffle plate and the inclined supports on two sides. By adoption of the rotary-table round tube cutting machine, the round tube can bereliably fixed through the rotary table; the circumferential cutting of the round tube can be completed by rotating the rotary table; and accordingly, the operation is simple and the cut part becomesflatter.