165results about How to "Load stability" patented technology

The invention provides an image forming apparatus, in which carrying tubes for carrying the toner discharged from image forming portion are mutually connected, capable of stable operation with satisfactory toner carrying at the connecting portion and not causing toner clogging. There is preferably provided an image forming apparatus of a low cost, capable of smooth toner carrying even in case one of toner carrying directions is an upward carrying. There is provided an image forming apparatus in which toner is carried by plural carrying tubes incorporating toner carrying screws, in which an aperture is formed on a lateral face of the carrying tube, and, an aperture of an upstream carrying tube and an aperture of a downstream carrying tube are mutually opposed to connect plural carrying tubes, wherein, in case an angle formed by a toner carrying direction of the downstream carrying tube and a gravitationally downward direction is larger than that in the upstream carrying tube, a carrying amount per unit time of the carrying screw of the downstream carrying tube is made larger than that in the upstream carrying tube.

The invention relates to a device for measuring flexural rigidity and torsional rigidity of a hose. The device comprises a main support, a fixing shaft support saddle, a fixing shaft, two rotating shaft support saddles, a rotating shaft, a first ear plate, a second ear plate, a first oil cylinder, a movable support saddle, a second oil cylinder, a third ear plate, a fourth ear plate, a third oil cylinder, a rotary crank shaft, two fourth oil cylinders, a first lifting handle, a first rack wheel, a crank shaft and a second lifting handle. According to the device, the oil cylinder for moving the fixing shaft support saddle to facilitate the mounting of the house, the oil cylinder for forcing the hose to vertically bend and the oil cylinders for driving the rotary crank shaft to rotate to enable the hose to be torsional are sequentially arranged, and a function of simultaneously measuring the flexural rigidity and the torsional rigidity of the hose is realized; the device is simple in principle and convenient to operate, and has higher engineering practicality.

The invention discloses a folding scaffold which comprises a bearing platform and a retractable straight ladder, wherein the bearing platform comprises a first bearing platform, a second bearing platform, a first connecting rod, a second connecting rod, a third connecting rod and four fixing rods; one end of the first bearing platform and one end of the second bearing platform which are adjacent are pivoted to the lower end of the third connecting rod; two sides of the other end of the first bearing platform and two sides of the other end of the second bearing platform are pivoted to the lower ends of the fixing rods respectively; upper ends of the fixing rods are fixed at the upper end of the straight ladder; one end of the first connecting rod and one end of the second connecting rod which are adjacent are pivoted to the upper end of the third connecting rod and end surfaces abut against each other; and the other end of the first connecting rod and the other end of the second connecting rod are pivoted to the fixing rods respectively. The folding scaffold has the advantages that the scaffold is foldable in height, simple in structure and small in size after the scaffold is folded; occupied space is reduced; and the folding scaffold is very convenient to store and transport.

The invention discloses a floor-type slant-legged steel truss bracket of a lower transverse beam of a large-span cable tower. The steel truss bracket is mounted on bottom bearing platforms of tower columns on two sides of the lower transverse beam of the cable tower. The steel truss bracket is characterized by comprising a steel truss, slant-legged brackets in bilateral symmetry arrangement, and an anti-introversion lateral bracing connected with the slant-legged brackets on the two sides, wherein the bottom of each slant-legged bracket is propped against the bottom bearing platform of the tower column on the corresponding side; the steel truss is supported at the tops of the slant-legged brackets. The feasible floor-type slant-legged steel truss bracket of the lower transverse beam of the large-span cable tower, provided by the invention, aims to solve the problems existing in a conventional construction technology of a lower transverse beam. The bracket directly utilizes conventional tower columns and conventional bearing platforms as a base, and omits the investment of facilities, such as temporary buttresses in the lower transverse beam span, and the bracket has the advantages of being large in bearing capacity, small in overall deformation, stable in structure, convenient to mount and demount, and sufficient in performance application of rods.

The invention provides a PET (polyethylene terephthalate) heat-conduction film, which comprises a PET bearing membrane and an adhesive material layer attached on the surface of the PET bearing membrane. The adhesive material layer comprises the following raw materials by weight: 10-50 parts of a liquid metal heat-conduction filling material, 2-10 parts of micro wax powder, 20-30 parts of spherical graphite, 1-10 parts of a membrane-forming auxiliary agent, 0.5-3 parts of a cosolvent, 0.5-3 parts of a dispersant, 0.1-0.5 parts of an antifoaming agent, 0.1-2 parts of a thickening agent, 0.1-2 parts of a levelling agent, 20-40 parts of a silicone acrylic emulsion, and 0-5 parts of other auxiliary agents. The heat-conduction film has high heat conduction coefficient, and the adhesive material has stable long-term coating and stripping effects on the PET membrane.

The invention relates to a mechanical human hip exoskeleton bearing device, comprising a left hip and a right hip which are structurally symmetrical. The left hip and the right hip are hinged to form an X-shaped structure via a hip center hinge pin, and two springs are respectively arranged at the top and the bottom of the X-shaped structure and between the left hip and the right hip. The other ends of the left hip and the right hip are respectively hinged with two leg and hip connecting parts, and the other ends of the two leg and hip connecting parts are respectively hinged with first connectors of two universal connecting parts. Second connectors of the two universal connecting parts are respectively connected with two tappet rods, the other ends of the two tappet rods are respectively sleeved in two sleeves, and two pressure springs for supporting the tappet rods are respectively arranged in the two sleeves. The other ends of the two sleeves are respectively hinged to the lower portions, close to the hips, of the two leg and hip connecting parts. Third connectors of the two universal connecting parts are respectively hinged with two leg adjusting parts, and the other ends of the two leg adjusting parts are fixedly connected with the upper ends of thigh parts of leg bearing devices. The mechanical human hip exoskeleton bearing device can transmit load on a back rack of a human exoskeleton carrying power assisting device to the leg bearing devices, and has high flexibility and a damping function.

The invention relates to a cylinder sleeve fatigue test device. An annular sunk groove (13) and an annular sealing protrusion (14) used for supporting a cylinder sleeve (3) are arranged on a bearing cylinder body (1), a counter bore matched with a combined cylinder cover (2) is formed in an upper opening of the cylinder body, an oil inlet port and a sensor port are formed in an oil inlet (6) and an upper port of a pressure monitoring hole (7) in the cylinder body respectively, the cylinder sleeve (3) is arranged in the bearing cylinder body (1), the combined cylinder cover (2) is arranged in the counter bore of the combined cylinder cover (2) and the cylinder sleeve (3) in a sealing sleeved mode, a cylinder cushion (4) is arranged at the position where the combined cylinder cover (2) is connected with the cylinder sleeve (3), and an upper edge opening of the cylinder sleeve (3) and a simulation combustor cavity form a simulation combustor (8). According to the cylinder sleeve fatigue test device, sealing hidden troubles in the cylinder body are eliminated, stability of the test process is improved, the adjusting range of the pressure in the cylinder body is enlarged, and a cylinder sleeve fatigue examination and a fault reappearance test are facilitated.

The invention discloses an automatic hanging type drying and cooling device. The automatic hanging type drying and cooling device comprises a drying box and a plurality of trays, wherein the interiorof the drying box is divided into a drying chamber at the upper portion and a cooling chamber at the lower portion; a left opening and a right opening are respectively and oppositely formed in the left lower portion and the right lower portion of the cooling chamber; a feeding conveyor belt mechanism is arranged at the left opening; a discharging conveyor belt mechanism is arranged at the right opening; a conveying chain mechanism is arranged in the drying box; the trays comprise horizontal carrying plates and vertical hanging plates; hook holes matched with hook parts of hooks are formed in the tops of the vertical hanging plates; a conveyor belt of the feeding conveyor belt mechanism is positioned at the bottom of the ascending part of a conveying chain; and a conveyor belt of the discharging conveyor belt mechanism is positioned at the bottom of the descending part of the conveying chain. A cooling area does not need to occupy a separate space, so that the occupied space is greatlysaved; the cooling area is changed from a structure in a prior open environment to the cooling chamber enclosed in the drying box, so that the temperature in the cooling chamber is convenient to adjust and control; and the automatic hanging type drying and cooling device saves manpower and improves working efficiency.

The invention discloses a reasonable width determination method for a gob-side entrydriving narrow coal pillar based on fracture evolution. The method comprises the following five steps: observing roadway deformation and coal pillar fracture distribution characteristics on site; establishing a UDEC-Trigon numerical model to match with on-site condition to determine model parameters; reversing an evolution rule of fractures in different coal pillar widths; determining the reasonable coal pillar width fracture evolution penetration; and finally providing a high pre-stressed anchor and anchor cable technology to control stability of the coal pillar. By adopting a damage factor for quantifying assessment of fracture evolution penetration to finally determine the optimum reasonable width of thegob-side entrydriving narrow coal pillar, inner fractures of the coal pillar in a service period are not penetrated, and gas in a goaf can be isolated effectively while the coal pillar is carried stably.

The invention discloses an aircraft engine lifting device and belongs to the technical field of lifting equipment. The aircraft engine lifting device is arranged on an engine assembly groove pit base body and comprises vertical columns, slidable lifting bodies, a lifting driving mechanism and engine supporting mechanisms. The vertical columns are of U-steel structures arranged symmetrically in a left-right mode. The slidable lifting bodies are assembled on the left vertical column and the right vertical column correspondingly and are controlled to slide along the left vertical column or the right vertical column up and down by the lifting driving mechanism. The engine supporting mechanisms are fixedly installed on the slidable lifting bodies. Each engine supporting mechanism is provided with a supporting shaft, a shaft base and a bracket assembly. The bracket assemblies are fixed to the side walls of the slidable lifting bodies. The shaft bases are installed on the bracket assemblies. The supporting shafts and the shaft bases are assembled in a hinged mode. By means of the aircraft engine lifting device, automatic lifting and air turning functions of an engine are achieved, the labor intensity of operators is relieved, the working efficiency is improved, and in addition, safety production accidents are decreased.

The invention discloses forming equipment with a positioning structure for computer graphics card backboard machining, and relates to the technical field of computer graphics card backboard machining. The forming equipment comprises an equipment outer frame, a positioning clamping mechanism and a welding forming mechanism, a base is arranged under the equipment outer frame, and a workbench is fixed in the middle of the interior of the equipment outer frame; and an opening and closing door is mounted on the outer side of the lower portion of the equipment outer frame and connected with the equipment outer frame through hinges, and a feeding mechanism is arranged on the upper portion of the middle of the workbench and comprises a mounting frame, hydraulic push rods, a supporting plate, a bearing column, a bearing plate and a conveying belt. The forming equipment has the beneficial effects that the positioning clamping mechanism of the forming equipment is provided with gears and threaded rods, the gears are conveniently driven to rotate through a micro motor, the gears and the threaded rods are of an engaged structure so that the rotating gears can drive the threaded rods to move up and down, the positions of positioning plates at one ends of the threaded rods can be conveniently adjusted, and attaching gaps of the positioning plates is reduced.

The invention discloses a spring vibration attenuation damping device used for a bogie. The spring vibration attenuation damping device used for the bogie comprises wide friction inclined wedges (1), friction inclined wedge pockets (201), damper springs (3) and vertical side frame upright wearing plates (2), wherein the friction inclined wedge pockets are arranged at two transverse end portions of a swing bolster (20), the damper springs (3) are arranged below the wide friction inclined wedges (1) and the vertical side frame upright wearing plates (2) are in consolidation with two side frame uprights (4) of a side frame (50). An auxiliary friction surface (11) of each wide friction inclined wedge (1) gradually protrudes toward the middle along transversal of the bogie from two ends to the center. An auxiliary friction pair of the spring vibration attenuation damping device is formed by the combination of the auxiliary friction surfaces (11) and an auxiliary friction surface recessing toward the inner side of the swing bolster (20). The spring vibration attenuation damping device is capable of enhancing centring property of the wide friction inclined wedge relative to the swing bolster, strengthening frictional damping function, and guaranteeing stability of the bogie spring vibration attenuation damping device. The invention further discloses the bogie including the spring vibration attenuation damping device.

The invention discloses a supporting caster comprising a caster mounting screw, a movable leg support sleeve, a thrust ball bearing, a first roller shaft, a caster carrier, a second roller shaft and a deep groove ball bearing. The first roller shaft, the thrust ball bearing, the caster carrier, the second roller shaft and the deep groove ball bearing are all located in an inner cavity of the movable leg support sleeve; the movable leg support sleeve rotates relative to the caster mounting screw to move upwards, and the deep groove ball bearing is enabled to contact with and support the ground; the movable leg support sleeve rotates relative to the caster mounting screw to move downwards, the deep groove ball bearing is enabled to leave the ground, and the movable leg support sleeve contacts with and supports the ground at the moment. The supporting caster of the brand-new structure design different from the traditional universal casters has the advantages of high load capacity, stable bearing and adjustable height.

The invention relates to a table plate for a train seat. The table plate is characterized by consisting of a supporting arm assembly structure and a bearing plate assembly structure, wherein the supporting arm assembly structure and the bearing plate assembly structure can be in rotating connection by a rotating shaft structure, the supporting arm assembly structure is formed by connecting a supporting arm body, a front housing and a back housing, and the front housing and the back housing are respectively arranged on both sides of the supporting arm body. While in use, the table plate consists of the supporting arm assembly structure and the bearing plate assembly structure, wherein the supporting arm assembly structure comprises the supporting arm body, and the supporting arm body is formed by a supporting arm framework and filling foaming by filling the foaming in a cavity. Through the adoption of the technical scheme, the table plate for the seat can be slowly opened in a first level to a limit from the backrest of the seat. The supporting arm of the table plate is independently placed at the backrest of the seat. After the table plate is opened, a passenger can pull and push by hands to adjust the horizontal position of the table plate according to different requirements. The table plate is convenient to operate. Besides, the table plate can be used for safely and steadily bearing articles with certain weight.

The application provides electronic equipment comprising a housing, a circuit board, a first connector and a lamination assembly; the circuit board and the first connector are contained in the housing; the first connector is arranged on the circuit board; the lamination assembly comprises a first lamination member and a second lamination member; the first lamination member is fixed in the housingso as to cover the circuit board; the second lamination member is buckled on the first connector so as to press the first connector on the circuit board. The electronic equipment can reduce material and labor investment costs.

The invention discloses a tower-type parking building with an elevator with two-side exits. The tower-type parking building comprises a plurality of bearing stand columns. The upper part and the lower part of the bearing stand columns are connected with floor plates arranged evenly at intervals. The central part of the area defined by all the bearing stand columns is used as an elevator lifting channel. The rotating vehicle loading elevator is arranged inside the elevator lifting channel. The rotating vehicle loading elevator is provided with two layers. The distance between the upper and lower layers inside the rotating vehicle loading elevator is the same as the interval between the adjacent floor plates. The two opposite sides of the rotating vehicle loading elevator are provided with the vehicle entrances and exits. A plurality of parking platforms are arranged on each floor plate around the elevator lifting channel. One parking platform of the first floor is connected with the first floor vehicle channel and used as the odd floor vehicle withdrawing and parking platform. One parking platform of the second floor is connected with a second vehicle channel and used as an even floor vehicle withdrawing and parking platform. Two vehicles can be conveyed every time the rotating vehicle loading elevator operates, so that the vehicle withdrawing and parking efficiency is improved. Due to the arrangement of the vehicle entrances and exits on the two sides, rotation of an elevator cage can be reduced, the vehicle withdrawing and parking efficiency is improved, and energy consumption is lowered.

The invention relates to a vehicle-mounted charger, and concretely relates to a charger with an automatic rotating shaft. The charger comprises a charging body and a charging head part, the charging body is arranged at the top of the charging head part in a matching way, a central pipe is fixedly arranged in the middle of the bottom of the charging body, and an installation disc is rotationally arranged on the central pipe; a driving mechanism used for driving the central pipe to rotate is further installed on the lower side of the installation disc, a plurality of guide rods are fixedly installed on the outer ring of the lower side of the installation disc in the circumferential direction, an upper guide plate and a lower guide plate are fixedly installed in the installation cavity below the installation disc, and the guide rods are in sliding connection with the upper guide plate and the lower guide plate in a matched mode; and a telescopic cylinder used for controlling the installation disc to ascend and descend is further fixedly installed on the upper guide plate, and the driving mechanism and the telescopic cylinder are electrically connected with the circuit board. The orientation of a charging port can be conveniently and stably adjusted, the charging application convenience is improved, and the device is worthy of popularization.

The invention belongs to the technical field of AGVs and particularly relates to a jacking device and an AGV. The jacking device comprises a lifting mechanism, a jacking plate and a lifting bracket; the lifting mechanism comprises a driving piece, a transmission component, a lead screw, a nut and a support piece; the driving piece is in transmission joint with the transmission component; the transmission component is in transmission joint with the lead screw; the lead screw is of a hollow structure; the nut is mounted on the lead screw and ascends or descends along with rotation of the lead screw; the support piece is fixedly connected with the nut; the jacking plate is fixedly connected with the support piece, is positioned above the support piece and realizes jacking along with up-down motion of the support piece; and the lifting bracket is used for fixing the lifting mechanism on a target rack. The jacking device can steadily bear larger weight and avoids the problem that the torqueis large when the gravity center of a bearing material is not in the center; the range of the jacking weight is greatly enlarged when the dead weight of the jacking device is; and the jacking deviceis simple in structure and small in mounting size and can meet the using requirement of the AGV.

The invention discloses a sleeve type damping material energy consumption type damping equipment support. The support comprises a bearing suspender, a transverse energy consumption inclined strut, a longitudinal energy consumption inclined strut, an adjustable hinge and a supporting screw rod, when a pipeline is used as a pipeline container, the support further comprises a handing frame, the top of the bearing suspender is connected with a main body structure, the bottom of the bearing suspender is connected with the hanging frame through the supporting screw rod, the two ends of the transverse energy consumption inclined strut and the two ends of the longitudinal energy consumption inclined strut are correspondingly connected with the main body structure through the adjustable hinge, andthe pipeline is inserted into the hanging frame and is fixed; and when a wire groove is used as a pipeline container, the support further comprises a horizontal transverse rod, the horizontal transverse rod is connected with the main body structure through the bearing suspender, the transverse energy consumption inclined strut and the longitudinal energy consumption inclined strut, and the wire groove is fixedly connected to the horizontal transverse rod through bolts. According to the sleeve type damping material energy consumption type damping equipment support, the structure is simple, bearing is stable, the energy consumption capability is high, the damping characteristic is adjustable, and normalized production is facilitated so that large damping can be provided for electromechanicalpipeline facilities, the power response of the pipeline can be reduced, and the safety of the pipeline and the main body structure can be improved.

The invention relates to the technical field of power equipment, in particular to a lifting device for power equipment installation. The device comprises a base and a stand column, rollers are arranged around the lower end face of the base, and a bearing plate is horizontally arranged on one side of the stand column and vertically connected to the stand column in a sliding mode. A main steel cableis arranged in the middle of the end, close to the stand column, of the bearing plate, side steel cables are arranged on the two sides of the other end, a fixed pulley allowing the main steel cable and the side steel cables to stretch across is arranged at the upper end of the stand column, and a control mechanism for winding and unwinding the main steel cable and the side steel cables is arranged on the base. The device has the effect of improving the installation efficiency of power equipment.

The glass base plate box for liquid crystal display incldues one top board in the shape corresponding to the liquid crystal display and to define the two sides, one front end and one back end; the bottom board opposite to the top board; side boards between the top board and the bottom board, with several supports and forming several slots in certain intervals to bear several liquid crystal display base boards; and at least two ends rods extending between the top board and the bottom board and with several blocks for bearing the liquid crystal display base boards. The end rods may slide relatively to the side boards for regulating to match the natural suspending and bending and to support the base boards.