33results about How to "Improve loading quality" patented technology

There is provided a vibration isolator capable of, (1) vibration isolation performance for ground motion disturbance: vibration isolation for floor vibration, and (2) vibration control performance for direct acting disturbance: suppression of swing due to driving reaction force caused by stage movement, significantly improving the above (2), i.e., the vibration control performance, with keeping the above (1), i.e., the vibration isolation performance, at a high level.

The invention relates to an articulated multiaxial drive and bidirectional driving electric bus, belonging to the technical field of electric bus structure. The articulated multiaxial and bidirectional driving electric bus is characterized in that a chassis frame is provided with two differential driving axles, two differential driving steering axles, a front cab and a back cab; wherein, the differential driving axles are arranged in the middle of a bus body; In the middle of the differential driving axles, a first differential motor and a second differential motor are respectively used for supplying a torque for wheels at both ends; the two axles are articulated by a bus passage turntable; the part of the bus body, where the two axles are articulated, is provided with passage soft connection matched with the bus passage turntable; the differential driving steering axles are respectively arranged at the front side and back side of the bus body. The articulated multiaxial and bidirectional driving electric bus of the invention has simple structure and convenient maintenance as well as realizes articulated connection, multiaxial drive and bidirectional driving. The adoption of the differential driving axles and differential driving steering axles reduces intermediate link, so the bus starts rapidly, which has low noise, flexible steering and saving power supply.

The invention discloses a vibration station for transverse sensitivity calibration of a piezoelectric acceleration sensor and belongs to the machinery manufacturing technology field. The vibration station comprises a planar two-axis vibration generation device fixed by a flexible hinge mechanism, the flexible hinge mechanism comprises a terminal platform at the middle portion, input platforms arranged at the upper side, the lower side, the left side and the right side of the terminal platform and a rigidity connection matrix which are connected through a straight beam type flexible hinge, the flexible hinge mechanism is driven to do motion by the planar two-axis vibration generation device through a piezoelectric ceramic driver, displacement signals of a terminal platform conversion block are acquired and fed back through a length meter, the piezoelectric acceleration sensor on the terminal platform conversion block is driven to do motion with relatively high frequency, the piezoelectric acceleration sensor can do high-frequency high-precision planar circular locus motion, centripetal acceleration amplitude stability and frequency stability of the piezoelectric acceleration sensor are high, and thereby transverse sensitivity calibration of the piezoelectric acceleration sensor can be realized.

The invention discloses a semi-trailer oil tank truck with an aluminum alloy structure. The semi-trailer oil tank truck comprises an aluminum alloy tank body, an aluminum alloy supporting seat and an aluminum alloy frame, wherein the aluminum alloy tank body and the aluminum alloy supporting seat are welded; the aluminum alloy frame is fixedly connected to the aluminum alloy tank body; axles and tires are mounted on the aluminum alloy frame; an oil feeding and discharging pipeline is mounted at the right side of the aluminum alloy tank body. The semi-trailer oil tank truck is light in mass, high in loading mass, small in oil consumption, safe, clean, and environmentally friendly.

The invention relates to the field of electric motor driving and new energy commercial vehicles, in particular to an electric semi-trailer with electric driving axles. The electric semi-trailer with the electric driving axle comprises a head, a first battery, a second battery, a third battery, a semi-trailer carriage, electric driving axles and suspensions, wherein the first battery is mounted on the head; the second battery is mounted at the bottom of the head; the third battery is mounted at the bottom of the semi-trailer carriage; and the two electric driving axles are respectively arranged under the head and the semi-trailer carriage through the suspensions. According to the invention, the electric semi-trailer with the electric driving axles are dragged through the electric vehicle head and the number of the electric driving axles of the electric semi-trailer can be changed according to different deadweight capacities; the loading qualities of an electric truck and an electric logistics vehicle can be greatly improved; and meanwhile, the driving range of the electric truck can be also greatly increased.

The invention relates to an automatic angle-switching taking and putting machine for chips. The machine includes a full-substrate loading line and an empty-substrate loading line which are in parallel and in a reverse direction. A rotating disk mechanism is arranged between the full-substrate loading line and the empty-substrate loading line. Each station on the rotating disk mechanism is provided with a sorption head mechanism for adsorbing the chips. After the full-substrate reaches the station corresponding to the rotating disk mechanism along a loading direction, a main pressing-down motor presses down. A blocking ring is in contact with a lateral compression face of a blocking member. The compression face is blocked by the blocking ring and forced to rotate a certain angle in the driving of the rotation of the rotating disk mechanism. And then the main pressing-down motor continues pressing down to enable a suction nozzle to suck the chips. Later the main pressing-down motor uplifts. The blocking ring is separated from the blocking member. The blocking member and the suction nozzle are reset due to angles of internal magnetic mechanisms. Meanwhile the chips are sucked away from the substrate, and are rotated by a certain angle. The sucked chips are rotated to the station corresponding to the empty-substrate loading line along with the rotating disk mechanism. After the chips move in place under the effect of an auxiliary pressing-down motor, the suction nozzle releases the chips, and the empty-substrate is packed with the chips.

The invention relates to an automatic bagged cargo loading device. Bagged cargos are received through a horizontal movement conveying machine, and the bagged cargos conveyed by the horizontal movementconveying machine are conveyed to a loading machine head through a swing inclining conveying machine; a motor rail car is adopted for driving an overall loading machine to walk on a rail, a lifting device is adopted for driving the loading machine head to move up and down, the loading machine head is adopted for grouping the bagged cargos according to a preset procedure, and the bagged cargos arestacked into a vehicle carriage; and an electric control system is adopted for automatically planning material bag positions according to parameters, like the vehicle type size, fed back by a man-machine interface and controlling the system to complete loading operation automatically. The automatic bagged cargo loading device is ingenious, reasonable, simple in structure, convenient to maintain and free of manual assistance in the overall loading process, manpower is reduced to the maximum degree, and the production safety is guaranteed.

The invention discloses a servo device and method matched with a swing table, and belongs to the technical field of motion simulation test and test equipment. When the power source is hydraulic oil, the driving assembly is a servo oil cylinder, the driving principle of the servo oil cylinder is that the hydraulic oil is conveyed into the servo oil cylinder from an oil source through an oil source electrical control system and a hydraulic device, and the hydraulic oil serves as the power source of the servo oil cylinder. The motion control system is matched with the oil source electrical control system to realize motion control, safety protection and real-time monitoring of the swing table; when the power source is electricity, the driving assembly is a servo electric cylinder, according to the driving principle of the servo electric cylinder, a kinematic pair of the ball screw is used for converting rotary motion of the motor into linear motion of the servo electric cylinder to achieve telescopic motion of the servo electric cylinder, and the control system achieves control over the telescopic motion of the servo electric cylinder. Therefore, the swing table generates single-degree-of-freedom or two-degree-of-freedom compound motion with different frequencies and different amplitudes.

The invention provides a dust suppressant and a preparation method thereof. The preparation method of the dust suppressant comprises the following steps of: mixing sodium humate and water to obtain a mixed solution; and mixing the mixed solution with an acid solution to obtain the dust suppressant. The invention also provides a dust suppression method which is used for mixing the prepared dust suppressant with upgraded coal. The colloidal humic acid in the dust suppressant agglomerates fine dust in the upgraded coal, the amount of fine powder in the upgraded coal is reduced, the particle size of the fine powder is increased, and then a dust suppression effect is realized; and meanwhile, since the dust suppressant is in a liquid state, the water content of coal can be increased, and a certain dust suppression effect is realized.

PROBLEM TO BE SOLVED: To provide a method for supporting catalyst which is suitable for catalyst support, for example, on anodized aluminum surface, is capable of preparing a catalyst supporting solution with inexpensive raw material, is capable of supporting catalyst safely, reliably and, moreover, highly precisely and efficiently without corroding base material, recovering catalytic material and catalyst solution supplied for the catalyst supporting and permitting the recycling of the catalytic material and catalyst solution.

A compensation of cyclical interferences occurring during operation of motor controlled by an electrical motor drive comprising the controllable motor and a speed governor, wherein a position determiner is provided for continuously determining a position of said motor, responsive to a position signal indicative of said position of said motor and wherein a load observer responsive to a first output signal received from said position determiner and to a second output signal received from the speed governor is provided for generating a load signal indicative of an estimated load and continuously applying said load signal to an output of the speed governor.

The invention discloses a method for temperature rise of a sample before a dynamic loading process. A limiting loading device is arranged to applying a persistent pressure, and comprises a limiting frame fixed on an electrode plate by a plurality of fixing screw rods; a limiting rod suspended above a sample is arranged on the limiting frame, the tail end of the bottom of the limiting rod is provided with a limiting washer acting on the sample, and a pressurizing spring sleeves the limiting rod between the limiting washer and the limiting frame. After the sample is fixed, persistent pressure is applied to the sample, so that glue can be extruded from an interlayer after being melt in a temperature rise process, the sample is kept at the original position, clearances between the sample and the electrode plate of which the surface is flat by polishing as well as between the sample and a LiF window with a polished surface are eliminated due to the persistent pressure, displacement is avoided, the aim of improving a loading quality is improved, experimental data are more accurate and measuring precision is improved.

The invention provides a dust suppressant and a preparation method thereof. The preparation method of the dust suppressant comprises the following steps of: mixing sodium humate and water to obtain a mixed solution; and mixing the mixed solution with an acid solution to obtain the dust suppressant. The invention also provides a dust suppression method which is used for mixing the prepared dust suppressant with upgraded coal. The colloidal humic acid in the dust suppressant agglomerates fine dust in the upgraded coal, the amount of fine powder in the upgraded coal is reduced, the particle size of the fine powder is increased, and then a dust suppression effect is realized; and meanwhile, since the dust suppressant is in a liquid state, the water content of coal can be increased, and a certain dust suppression effect is realized.

The invention discloses a fabricated safe unloading platform for building construction. The platform comprises a platform bracket used for positioning and mounting the whole platform, an unloading platform device used for stacking and transferring building materials, wherein the unloading platform device comprises a connecting base, a material carrying sliding plate is installed on the upper surface of the connecting base in a sliding mode, reinforcing connecting plates are arranged on the two sides of the material carrying sliding plate, a protective connecting plate is fixedly connected to one side of each reinforcing connecting plate, and a protective connecting table is arranged at one end of the upper surface of the connecting base. The platform has the beneficial effects that connection between two supporting connecting beams is reinforced through positioning connecting plates, and thus the stability of the supporting connecting beams is improved, meanwhile, the installation stability of the platform bracket is improved through installation connecting arms, the connection stability between the platform bracket and a building supporting column is improved, and the installation difficulty of the bracket is reduced.

The invention discloses a collecting vehicle capable of crushing, grinding and compressing large furniture garbage, and particularly relates to the technical field of garbage treatment. The collectingvehicle comprises a collecting vehicle body and a collecting compartment, wherein a fixed hydraulic mechanical arm is fixedly mounted at the top of the collecting vehicle body through bolts, the collecting compartment is welded to one side of the top of the collecting vehicle body, a crushing machine groove is formed in one side of the top of the collecting compartment, a crushing machine is fixedly installed in the crushing machine groove through bolts, the top of the outer wall of the crushing machine is sleeved with a feeding hopper, the feeding hopper is welded to the top of the collecting compartment, and a fixing block is welded to one side of the top of the collecting compartment. According to the collecting vehicle, a first pressing plate is matched with stretching and retractingof a first hydraulic rod so that furniture garbage with a large size can be partially compressed, then the size of the furniture garbage is reduced, and the furniture garbage can easily enter the crushing machine from the feeding hopper to be crushed and ground, the trouble that the large furniture is manually disassembled is avoided, and the applicability of the collecting vehicle is improved.

The invention discloses a raw material egg fast loading machine which comprises a feeding conveying belt, a pushing mechanism, a first carrying mechanism, a tray circulating mechanism and a second carrying mechanism. The pushing mechanism is arranged at the conveying tail end of the feeding conveying belt. The pushing mechanism comprises a moving platform, a supporting frame and a pushing air cylinder. The moving platform is pushed by the pushing air cylinder to move between a feeding station and an outlet of the feeding conveying belt back and forth. The tray circulating mechanism is arranged to be a conveying chain type tray circulating conveying mechanism and is arranged on the side face of the feeding conveying belt. The first carrying mechanism is arranged on the side face of the tray circulating mechanism and clamps egg trays to move between the feeding station and the tray circulating mechanism back and forth. The second carrying mechanism is arranged on the side face of the conveying tail end of the tray circulating mechanism and clamps raw material eggs in the egg trays to move between the tray circulating mechanism and a rear discharging station back and forth. According to the raw material egg loading machine, the feeding loading efficiency of the raw material eggs is effectively improved, the working intensity of manual raw material egg loading is reduced, loading quality is improved, and practicality is high.

The invention discloses a tank container frame structure which comprises two end frames and four side beams connected between the two end frames. Each of the end frames comprises an upper end beam, alower end beam, two corner posts, upper inclined struts, lower inclined struts, corner post inclined struts, lower inclined strut supplementary parts, lower inclined strut supplementary plates, and corner post supplementary plates. The upper end beam and the lower end beam are parallel to each other and are horizontal; the two corner posts are vertically connected between the upper end beam and the lower end beam and can form a square structure together with the upper end beam and the lower end beam; the upper inclined struts are arranged between the upper end beam and the corner posts; the lower inclined struts are arranged between the lower end beam and the corner posts; the corner post inclined struts arranged at the joints of the lower end beam and the corner posts; the lower inclinedstrut supplementary parts are arranged at the joint of the lower inclined struts and the lower end beam; the lower inclined strut supplementary plates are cushioned between the lower inclined struts and the corner posts; the corner post supplementary plates are arranged at the lower parts of the corner posts; each side beam comprises two upper side beams and two lower side beams; top protection plates are arranged at the joints of the upper side beams and the upper end beams; bottom inclined struts are arranged between the lower side beams and the lower end beams; and side inclined struts arearranged between the lower side beams and the corner posts. According to the tank container frame structure, basic transportation loading and unloading requirements of the tank container can be met, the structure stress effect is good, the weight is light, and the loading quality of the tank container is improved.

The invention discloses a vibration station for transverse sensitivity calibration of a piezoelectric acceleration sensor and belongs to the machinery manufacturing technology field. The vibration station comprises a planar two-axis vibration generation device fixed by a flexible hinge mechanism, the flexible hinge mechanism comprises a terminal platform at the middle portion, input platforms arranged at the upper side, the lower side, the left side and the right side of the terminal platform and a rigidity connection matrix which are connected through a straight beam type flexible hinge, the flexible hinge mechanism is driven to do motion by the planar two-axis vibration generation device through a piezoelectric ceramic driver, displacement signals of a terminal platform conversion block are acquired and fed back through a length meter, the piezoelectric acceleration sensor on the terminal platform conversion block is driven to do motion with relatively high frequency, the piezoelectric acceleration sensor can do high-frequency high-precision planar circular locus motion, centripetal acceleration amplitude stability and frequency stability of the piezoelectric acceleration sensor are high, and thereby transverse sensitivity calibration of the piezoelectric acceleration sensor can be realized.

PROBLEM TO BE SOLVED: To provide a method for supporting catalyst which is suitable for catalyst support, for example, on anodized aluminum surface, is capable of preparing a catalyst supporting solution with inexpensive raw material, is capable of supporting catalyst safely, reliably and, moreover, highly precisely and efficiently without corroding base material, recovering catalytic material and catalyst solution supplied for the catalyst supporting and permitting the recycling of the catalytic material and catalyst solution.

The invention relates to an automatic angle-switching taking and putting machine for chips. The machine includes a full-substrate loading line and an empty-substrate loading line which are in parallel and in a reverse direction. A rotating disk mechanism is arranged between the full-substrate loading line and the empty-substrate loading line. Each station on the rotating disk mechanism is provided with a sorption head mechanism for adsorbing the chips. After the full-substrate reaches the station corresponding to the rotating disk mechanism along a loading direction, a main pressing-down motor presses down. A blocking ring is in contact with a lateral compression face of a blocking member. The compression face is blocked by the blocking ring and forced to rotate a certain angle in the driving of the rotation of the rotating disk mechanism. And then the main pressing-down motor continues pressing down to enable a suction nozzle to suck the chips. Later the main pressing-down motor uplifts. The blocking ring is separated from the blocking member. The blocking member and the suction nozzle are reset due to angles of internal magnetic mechanisms. Meanwhile the chips are sucked away from the substrate, and are rotated by a certain angle. The sucked chips are rotated to the station corresponding to the empty-substrate loading line along with the rotating disk mechanism. After the chips move in place under the effect of an auxiliary pressing-down motor, the suction nozzle releases the chips, and the empty-substrate is packed with the chips.

The invention relates to an articulated multiaxial drive and bidirectional driving electric bus, belonging to the technical field of electric bus structure. The articulated multiaxial and bidirectional driving electric bus is characterized in that a chassis frame is provided with two differential driving axles, two differential driving steering axles, a front cab and a back cab; wherein, the differential driving axles are arranged in the middle of a bus body; In the middle of the differential driving axles, a first differential motor and a second differential motor are respectively used for supplying a torque for wheels at both ends; the two axles are articulated by a bus passage turntable; the part of the bus body, where the two axles are articulated, is provided with passage soft connection matched with the bus passage turntable; the differential driving steering axles are respectively arranged at the front side and back side of the bus body. The articulated multiaxial and bidirectional driving electric bus of the invention has simple structure and convenient maintenance as well as realizes articulated connection, multiaxial drive and bidirectional driving. The adoption of the differential driving axles and differential driving steering axles reduces intermediate link, so the bus starts rapidly, which has low noise, flexible steering and saving power supply.

The invention provides a parallel robot with four built-in rods and four degrees of freedom. According to the parallel robot, actions of each set of power arms and connecting rods are built in an inner cavity space of a suspension bracket, source power is shifted outwards, and torque is amplified; and the driving gravity center is within the range of a transmission arm, and the load is increased. The parallel robot comprises a suspension bracket, four sets of servo systems, four sets of transmission rod assemblies and a linkage plate; the suspension bracket is used for supporting hardware of a whole structure; the suspension bracket is a square frame; four intersection point position areas of the square frame are each fixedly provided with one set of servo systems; each set of servo systems is used for transmitting power; the output ends of each set of servo systems are connected with power arms of the corresponding set of transmission rod assemblies; each set of transmission rod assemblies comprises a first parallelogram transmission assembly and a second parallelogram transmission assembly; each first parallelogram transmission assembly comprises a power arm, a linkage arm and an extension arm; and the output ends of the servo systems are pivoted to the outer ends of the power arms.

The invention relates to the technical field of train body strength tests and discloses a test loading device of a fuel motor train unit under-train fuel tank. The test loading device comprises a loading plate, a loading oil cylinder, a force sensor, a simulation fuel tank frame and a counterforce frame, the simulation fuel tank frame is fixedly mounted on a fuel tank mounting seat of a train body, the counterforce frame comprises a frame body and a counterforce plate, the frame body is fixed on a testbed, the counterforce plate is arranged on the frame body, the loading plate is arranged below the counterforce plate and connected with the simulation fuel tank frame through a connecting component, the loading oil cylinder is placed between the loading plate and the counterforce plate, and the force sensor is arranged between the loading oil cylinder and the loading plate. The test loading device is simple in structure, convenient to mount and demount, quick and accurate in loading, capable of repeatedly loading a suspension area of the under-train fuel tank in short time and guaranteeing a loading gravity position to be at the center of a loading area, high in loading accuracy and good in repeatability. A hydraulic loading mode is adopted, so that the test loading device is uniform in loading, capable of quickly adjusting and controlling loading range and free of sudden-change load.

The invention discloses a preparation method of a time-resolved fluorescence immunoassay quantitative chromatography test strip for a plasticizer in food. According to the method, a reaction film is fixed on a substrate, a sample absorption pad and a water absorption pad are respectively overlapped at two ends of the reaction film; a sample adding area and a microsphere area are arranged on the sample absorption pad at an interval; and a detection line and a quality control line are arranged on the reaction film. The method comprises the following steps of: step 1, preparing a time-resolved fluorescent microsphere solution of which the surface is coated with an anti-plasticizer monoclonal antibody; step 2, preparing a plasticizer-bovine serum albumin conjugate solution and a goat anti-mouse IgG secondary antibody solution; 3, spraying the time-resolved fluorescent microsphere solution to the microsphere area, and carrying out negative pressure treatment; 4, respectively spraying the anti-plasticizer monoclonal antibody solution and the goat anti-mouse IgG secondary antibody solution onto the detection line and the quality control line; 5, performing ultrasonic treatment; and 6, drying a product in a drying oven. The test strip prepared by the method can quickly and accurately detecting the content of the plasticizer.

The invention provides a parallel robot with six built-in rods and six degrees of freedom. The parallel robot is more flexible than a conventional structure and larger in angle range and satisfies a harsh using environment. The parallel robot comprises a suspension bracket, six sets of servo systems, six sets of transmission rod assemblies, an upper linkage plate and a lower linkage plate; the suspension bracket is specifically a regular hexagon suspension bracket and is used for supporting hardware of a whole structure; a set of servo systems is fixedly arranged in the center area of each edge of the regular hexagon suspension bracket; each set of servo systems is used for transmitting power; the output ends of each set of servo systems are connected with power transmission arms of the corresponding set of transmission rod assemblies; the six sets of transmission rod assemblies comprise three sets of inner side upper transmission rod assemblies and three sets of outer side lower transmission rod assemblies; each inner side upper transmission rod assembly comprises a first power transmission arm and a first parallelogram transmission assembly; and each outer side lower transmission rod assembly comprises a second power transmission arm and a second parallelogram transmission assembly.

According to the present invention, a method for synthesizing a self-supporting flexible electrode is provided. The method includes mixing a solution containing molybdenum powder, vanadium powder and hydrogen peroxide to form a solution of formula V 0.07 Mo 0.93 O 3 nH 2 a mixture comprising nanofibers represented by O, filtering the mixture to form an electrode comprising nanofibers; treating the electrode with an acidic solution; contacting the acid-treated electrode with a solution comprising a monomer of a conductive polymer; and The monomers are polymerized in a medium containing an oxidizing agent to form the conductive polymer. According to the present invention, a self-supporting flexible electrode is also provided, which includes nanofibers composed of molybdenum, vanadium and conductive polymers, wherein the electrode is composed of formula X-V 0.07 Mo 0.93 O 3 nH 2 O means. In this formula, X is a conductive polymer, and n is independently 1 or 2. According to the invention there is also provided a memory device comprising an electrode as defined above.