26results about How to "Balance weight" patented technology

The utility model relates to the technical field of tea garden trimmers, in particular to an electric bilateral trimmer for a tea garden. According to the technical scheme, a storage battery is installed on a rack, a steering shaft is rotatably installed on the rack, a handle is welded to the top end of the steering shaft, a front fork is inserted into the bottom end of the steering shaft, and a front wheel is rotatably installed on the steering shaft through the front fork; trimming blades are slidably installed on the two sides of the rack through a first connecting plate and a second connecting plate, sawteeth are arranged at the bottom ends of the trimming blades, a motor is fixed to the second connecting plate through a support, the support penetrates through the trimming blades and is fixedly connected with the motor, and an eccentric shaft is arranged at the output end of the motor; and the motor stirs the trimming blade through the eccentric shaft, so that the trimming blade performs lifting motion. The electric bilateral trimmer for the tea garden integrates the advantages of maneuverability, stability, flexibility, efficiency, humanization and the like, so that the electric bilateral trimmer for the tea garden is more suitable for complex trimming requirements in a tea garden environment.

The auxiliary spraying device comprises a base, a telescopic assembly, a suspension arm and a spraying assembly, the bottom end of the telescopic assembly is fixedly installed on the base, the middle of the suspension arm is hinged to the top end of the telescopic assembly through a pin shaft, a telescopic rod is connected into the first end of the suspension arm in a sliding mode, and the second end of the suspension arm is connected with the spraying assembly in a sliding mode. The spraying assembly is hinged to the free end of the telescopic rod, a telescopic driving assembly is installed on the suspension arm, and the telescopic driving assembly is in driving connection with the telescopic rod. According to the spraying device, the spraying range can be greatly widened by arranging the suspension arm, the weight of the two ends of the suspension arm can be balanced by matching with the second balancing weight, a worker can obtain a large spraying range with a small swing range and force of the arm, the distance between the spraying head and the wall surface can be kept stable by arranging the telescopic rod and the telescopic driving assembly, and the spraying effect is good. And the spraying quality is ensured.

The invention discloses a single-beam crane, and belongs to the field of cranes, the single-beam crane comprises a main beam, a walking mechanism is slidably arranged on the main beam, a hoisting mechanism is responsible for actual hoisting and descending operation of the crane, the hoisting mechanism comprises a middle shell fixedly mounted on the walking mechanism, and a left shell is fixedly mounted at one end of the middle shell. By means of the stabilizing rope, the pressure block set and the hanging wheel, when the walking mechanism just starts, stops working or turns to enable the steel rope to rotate or shake, the stabilizing rope in the moving direction of the steel rope can be pressed while the steel rope rotates, and meanwhile the stabilizing rope plays a role; the effect of assisting the four steel ropes to keep stable and rotate at a small angle as far as possible when the lifting hook rotates is achieved, when the lifting hook shakes, the steel ropes on the lifting wheel can act together with the four stabilizing ropes, the shaking amplitude of the lifting hook is reduced, the shaking amplitude of the lifting hook during working of the single-beam crane is reduced, and therefore the degree of the rail gnawing phenomenon is reduced, and the safety of the single-beam crane is improved. And the service life of the track is prolonged.

The utility model belongs to the technical field of balancers, and particularly relates to a novel wide cabinet body universal balancer, a wide cabinet and a drawer installed in the wide cabinet, and one end of the drawer is of an L-shaped structure to block an opening of a groove body of the wide cabinet; symmetrical balancers are arranged on the two sides of the other end of the drawer, the balancers are used for reducing resistance and vibration when the wide cabinet is pushed and pulled to ensure stability during sliding, and a balance wheel used for abutting against the inner wall of a groove body of the wide cabinet is arranged in one end of each balancer. The other end of the balancer is provided with a control wheel used for adjusting the tightness degree of the balance wheel, and the two sides of one end of the drawer are each provided with a bottom plate used for being in butt joint with the balancer. According to the utility model, the weight of the drawer can be effectively balanced, so that the drawer is more stable when being pulled out or pushed in, the possibility of shaking or toppling is reduced, the drawer is easier and more convenient to operate, and the use experience of a user is improved.

The invention belongs to the technical field of fastener installation, and particularly discloses an intelligent bolt back nut tightening device and a tightening method.The intelligent bolt back nut tightening device comprises a lifting support, and the front side of the lifting support is connected with a tightening base in an up-down driving mode; the front side of the tightening base is provided with a positioning and turning device used for positioning and driving a to-be-tightened piece to rotate and a sensing and locating device used for recognizing the tightening position, the front side of the tightening base is further movably connected with a tightening unit, the tightening unit comprises a movable arm, and the movable arm is in sliding connection with the tightening base. A rotary tightening device used for tightening the back nut is connected to the movable arm in a front-back driving mode and comprises a tightening motor, a tightening transmission base and a tightening head. And through initial information acquisition, connection of the to-be-tightened piece, angle positioning of the to-be-tightened piece, connection of the back nut, tightening of the back nut and continuous tightening or reset exiting, tightening of the back nut is achieved, and efficiency and precision are high.

The present invention discloses a multi-branch configuration variable cooperative operation mechanical arm system, which belongs to the field of mechanical arm technology, and comprises: a mounting seat, both sides of which are open; a crossbeam, which is slidably connected in the mounting seat; an adsorption mechanism, which comprises a moving seat, a connecting box and a sealing box; a counterweight beam, which is slidably connected in the mounting seat, and the outer side of the counterweight beam is slidably sleeved with a guide frame, and the bottom of the guide frame is fixedly connected with a counterweight plate; a rotating mechanism, and a linkage mechanism comprises a rotating cylinder and a vertical plate; a linkage mechanism, and the linkage mechanism comprises a linkage plate, a linkage shaft and a cross plate, and the cross plate is fixedly connected to the bottom of the vertical plate. The present invention can adjust the counterweight position while adjusting the handling spacing by arranging the counterweight beam, and can further adjust the counterweight block according to the weight and motion state of the object when carrying the object through the cooperation of the rotating mechanism and the linkage mechanism, thereby ensuring the overall balance and stability of the mechanical arm system.

The utility model discloses an ultra-high molecular weight polyethylene fiber composite bulletproof flashboard which comprises a protection assembly and a protection assembly wrapped in the protection assembly, the protection assembly comprises a wrapping cloth layer, and a plastic shell is wrapped in the wrapping cloth layer; the protection assembly comprises a metal bulletproof structure, a polyethylene structure is installed on one side of the metal bulletproof structure, a ceramic structure is installed on one side of the polyethylene structure, and the metal bulletproof structure, the polyethylene structure and the ceramic structure are wrapped in a plastic shell. The bulletproof plates made of three different materials are adopted, the thickness of the bulletproof steel plates is reduced, the weight of the steel plates can be effectively reduced, the weight of the device can be reduced again due to the fact that the middle layer is made of the polyethylene material, the ceramic plate is used in the innermost layer, small-caliber bullets cannot directly damage the ceramic plate, and through the combination of various structures, the bulletproof effect is good. And the bulletproof capability and the weight are balanced.

The invention discloses a tube-sheet combined kart frame structure, belonging to the field of karts. The invention comprises a frame left tube, a frame right tube, a chassis left lower tube, a chassis right lower tube, a chassis left lower outer tube, and a chassis right lower outer tube, wherein the rear ends of the frame left tube and the frame right tube are respectively tilted downward and connected to form an integrated structure through a rear tube, and the chassis left lower outer tube and the chassis right lower outer tube are connected to form an integrated structure through a front lower tube; by arranging a battery tray, a transmission bearing frame chassis seat, a gear box bracket, etc. at the rear end of the kart, the engine, battery, gear box, etc. can be installed at the rear end of the kart, the weight of the rider can be balanced, and the chassis of the whole vehicle is parallel to the driving ground, thereby improving the stability of the vehicle body.

The utility model relates to a counterweight-free hanging basket of a steel storage tank. The counterweight-free hanging basket structurally comprises a hanging mechanism arranged on the edge of the top of the steel storage tank, a rope arranged on the hanging mechanism, an elevator connected to one end of the rope, a hanging basket body connected with the elevator and a permanent magnet jack connected to the other end of the rope. And the permanent magnet jack is adsorbed on the tank top of the steel storage tank. Strong suction force is generated through the permanent magnet lifting jack, the hanging basket is firmly attracted to the top of a steel storage tank, the weight of the hanging basket is effectively balanced, and it is guaranteed that the hanging basket is kept stable in the lifting process.

The utility model discloses a traction travelling mechanism of a full-hydraulic forging manipulator, which relates to the technical field of forging manipulators and comprises a support box, two guide rails are arranged below the support box, vertical plates are fixedly connected to four corners of the bottom of the support box, and the vertical plates are fixedly connected to the bottom of the support box. A first rotating shaft is fixedly connected between every two corresponding vertical plates, the two ends of each first rotating shaft are rotationally connected with walking wheels, the walking wheels are rotationally connected to the corresponding guide rails, a sliding groove is formed in the front end of the supporting box, a support is arranged in the sliding groove in a sliding mode, and a second rotating shaft is fixedly connected to the bottom end of the support. According to the traction walking mechanism of the full-hydraulic forging manipulator, by arranging the support, the second rotating shaft, the stabilizing wheels and other structures, before the manipulator body clamps a metal weight, the support is recycled towards the interior of the supporting box, after clamping is completed, the support extends outwards, the supporting area is enlarged, and the moving stability of the manipulator body after clamping the metal weight is improved.

The utility model provides a submersible pump lifting mechanism, which relates to the technical field of submersible pump lifting, and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a support plate, the upper surface of the support plate is fixedly connected with a top plate, the lower surface of the bottom plate is provided with moving wheels, the bottom plate and the top plate are provided with square through grooves, and the bottom plate is slidably connected with a placing box. By arranging the placing box, when the submersible pump pumps water, the overall weight of the submersible pump is increased due to water pumping, then the gravity center of the device is changed, at the moment, the placing box is pushed to slide away from the supporting plate on the bottom plate, meanwhile, water pumped by the submersible pump is injected into the placing box, the weight of the placing box is increased, the gravity center is balanced, and the device is more stable.

The utility model discloses a lifting material rack for seamless steel tube packing production line, including production line base and a plurality of connecting plates arranged in the production line base, the right side of production line base is provided with a lifting frame, one side of the top of the lifting frame is provided with a support plate, the support plate is provided with a motor, and the motor is provided with a motor. A pair of fixing plates is arranged at the top of the lifting frame, chain wheels are arranged on the inner sides of the fixing plates correspondingly, connecting rods are arranged between the chain wheels, lifting chains are arranged on the chain wheels, lifting connecting pieces are arranged at one ends of the lifting chains, and lifting plates are arranged on the front faces of the lifting connecting pieces; according to the lifting device, the transportation task of seamless steel pipe packaging stacks can be efficiently and stably completed, manual carrying is not needed, manpower is saved, and meanwhile the production efficiency and the operation safety can be improved.

The utility model discloses an energy storage battery pack liquid cooling lower shell, which comprises a liquid cooling lower shell liquid cooling plate, a module fixing beam, a bottom steel cross beam, a bottom steel longitudinal beam and a rectangular pipe, and the rectangular pipe is arranged between the liquid cooling lower shell liquid cooling plate and the bottom steel longitudinal beam and is used for enhancing the strength of the liquid cooling lower shell. The liquid cooling lower shell liquid cooling plate and the bottom steel longitudinal beam are connected and fixed through second rivet nuts, the bottom steel longitudinal beam, the rectangular pipe and the bottom steel cross beam are connected and fixed through rivets, and the side, away from the rectangular pipe, the bottom steel longitudinal beam and the bottom steel cross beam, of the liquid cooling lower shell liquid cooling plate is connected with the module fixing beam through first rivet nuts. The length of the bottom steel cross beams is smaller than that of the bottom steel longitudinal beams. By arranging the liquid cooling plate, the module fixing beams, the bottom steel cross beams, the bottom steel longitudinal beams and the rectangular pipes of the liquid cooling lower shell, the cost of the liquid cooling lower shell is reduced while the structural strength is ensured, and the weight of the lower shell is balanced at the same time.

This utility model discloses a test stand for I-V curve diagnosis with adjustable light source, relating to the field of I-V curve diagnostic testing technology. It includes a main unit, a first cover plate, a second cover plate, a control panel, and a second adjustment block. A dimming mechanism is provided above the main unit, comprising a lamp disk, an adjustment bolt, a limiting flap, and an orientation groove. The orientation groove is located on the side of the main unit, the limiting flap is located on the side of the lamp disk, the adjustment bolt is located on the side of the limiting flap, and the limiting flap is installed in the orientation groove. The test stand is equipped with a dimming mechanism including a lamp disk, an adjustment bolt, a plum blossom-shaped limiting flap, and an orientation groove. Twisting the adjustment bolt causes the limiting flap to rotate within the orientation groove, achieving precise adjustment of the lamp disk angle and stable positioning, avoiding vibration and deviation. Three different types of light source beads are evenly distributed on the side of the lamp disk, allowing for switching of light source types without disassembly to adapt to different sample testing needs.

The utility model relates to the field of electric toothbrushes, and provides a toothbrush head with a balanced gravity center and an electric toothbrush, the toothbrush head comprises a first body, a second body and a connecting piece, a brush head assembly is installed in the first body, the brush head assembly comprises a brush head support provided with a fixing groove and a connecting groove and a bristle base, and the bristle base is fixedly arranged in the connecting groove; bristles are arranged on the bristle seat; a transmission assembly is arranged in the second body and comprises a transmission shaft suitable for being inserted into the fixing groove. The connecting piece and the bristle base are oppositely located on the two sides of the transmission shaft, and the connecting piece is oppositely located at the bottom of the bristle base. The electric toothbrush comprises a toothbrush head. The connecting piece is fixedly connected with the brush head support and the transmission shaft, the connecting piece and the bristle base are oppositely located on the two sides of the transmission shaft, and the connecting piece is oppositely located at the bottom of the bristle base, so that the gravity center of the brush head assembly is located on the central axis of the transmission assembly, the gravity center balance of the toothbrush head is better, a balancing weight does not need to be arranged, and the structure is simple.

The utility model discloses an integral frame of a skid steer loader, and belongs to the technical field of engineering machinery. The defects that in the prior art, a traditional integral frame is not enough in strength of a connecting plate, the frame is prone to deformation, and whole machine assembly and maintenance operation are inconvenient are overcome. The main structure of the fuel tank comprises a left wing box and a right wing box, the upper ends of the left wing box and the right wing box are connected through an L-shaped bent plate, the lower ends of the left wing box and the right wing box are connected through a rear bottom plate, the left wing box, the rear bottom plate, the right wing box and the L-shaped bent plate form a half-box type structure, and the left wing box is provided with a fuel tank assembly and a hood guide mechanism used for opening and closing an engine hood. A hydraulic oil tank assembly and a storage battery assembly are arranged on the right wing box. The utility model is mainly applied to engineering machinery such as skid steer loaders and the like.

The utility model relates to the technical field of fertilizing equipment, in particular to fertilizing equipment for efficiency improvement in the forest and fruit industry, which comprises a fog gun barrel, a motor, a bearing frame and a flexible shaft, the bearing frame can be carried by people, the motor is fixedly mounted on the bearing frame, and extending arms extending forwards are arranged below the left side and the right side of the bearing frame. The rear end of a shell of the fog gun barrel is rotationally installed between the two extension arms, the rotating axis of the fog gun barrel is perpendicular to the axial direction of the fog gun barrel, an impeller of the fog gun barrel is in transmission connection with a motor through a flexible shaft, and the fog gun is novel in structure and can effectively reduce the arm burden of an operator.

The present invention relates to the field of radio frequency cable technology, and in particular to an ultra-flexible, lightweight, high-power radio frequency cable for medical use and a production method thereof, comprising: the radio frequency cable is composed of a cable core, an inner protective layer, a shielding layer, and an outer protective layer from inside to outside; the cable core comprises a plurality of twisted conductors; the plurality of twisted conductors are connected by twisting; the inner protective layer is coated on the outer periphery of the cable core to isolate the current and reduce the torsional force of the cable core; the shielding layer is used to eliminate signal mutual interference, and comprises a first shielding layer and a second shielding layer, the first shielding layer is coated on the outer periphery of the inner protective layer, and the second shielding layer is coated on the outer periphery of the first shielding layer; the outer protective layer is coated on the outer periphery of the second shielding layer to protect the internal overall structure; the outer protective layer is made of a flexible material. The present invention can improve the bending performance and power transmission performance, and can reduce the weight of the radio frequency cable.

The utility model provides a mechanical extension arm for a polisher, which relates to the technical field of polishers and comprises a moving guide rail, a driving box is movably arranged in the moving guide rail, a sliding groove is formed in the driving box, an ascending sliding rod is arranged in the sliding groove, and a platform is fixedly mounted at the upper end of the ascending sliding rod. A supporting arm is fixedly mounted on the upper surface of the platform, a driving assembly used for controlling the polishing position is fixedly mounted at the upper end of the supporting arm, and a mounting assembly used for mounting a polishing machine is connected to one side of the driving assembly. The double-shaft motor is started to rotate the first driving lead screw, so that the first driving lead screw is in threaded fit with a screw hole in the matching sleeve, the movable seat can move along the movable limiting frame, the position of the polishing machine on one side is changed, and the polishing machine is matched with an auxiliary pulley to achieve comprehensive polishing of an automobile roof; and the problem that polishing dead angles occur during polishing due to the fact that a worker holds the polishing machine by hand is effectively solved.

The utility model relates to the technical field of intelligent safety helmets, and discloses a novel intelligent safety helmet and an intelligent construction site management system thereof.The novel intelligent safety helmet comprises a helmet body, a helmet lining and a chin strap, the front end of the helmet body is provided with an illumination module and an image acquisition module, and the helmet body is internally provided with a power supply module, a sensing detection module and a control circuit module which are electrically connected; the control circuit module comprises a control unit, a positioning unit, an audio unit and a communication unit, the communication unit is used for information interaction with a remote server, first mounting protrusions are symmetrically arranged at the two ends of the cap body, each first mounting protrusion is detachably connected with an L-shaped mounting plate, and each L-shaped mounting plate is provided with a first mounting end and a second mounting end; the bottom of the first installation protrusion is provided with an installation groove allowing the first installation end to be inserted therein, the second installation end is detachably connected with the bottom of the cap body, and the power supply module and the control circuit module are arranged at the first installation ends of the two L-shaped installation plates respectively. And intelligent management can be carried out on each worker of the construction site.

The utility model discloses an outdoor unit and a triple co-generation system. The outdoor unit comprises a shell, an outdoor side heat exchanger, a domestic water tank, a compressor, a hot water side heat exchanger, a first water pump, an air conditioner side heat exchanger and a second water pump. A first cavity and a second cavity are formed in the shell, the second cavity is L-shaped and surrounds the outer side of the first cavity, the second cavity comprises a transverse space and a vertical space perpendicular to the transverse space, and the transverse space partially extends to the position below the first cavity. The outdoor side heat exchanger is installed in the first cavity, the domestic water tank is vertically installed in the vertical space of the second cavity, and the compressor, the hot water side heat exchanger, the first water pump, the air conditioner side heat exchanger and the second water pump are installed in the transverse space of the second cavity. The integration level of the unit is improved, the space layout is reasonable, miniaturization and weight balance are achieved, the stability of the unit is improved, operation noise and vibration are reduced, and meanwhile the air volume and the heat exchange efficiency of the outdoor heat exchanger cannot be affected.

The invention relates to a garlic collecting device for a garlic combine harvester, comprising a vertical shaft, a bearing with a seat A at the lower end of the vertical shaft, a bearing with a seat B at the upper end, the bearing with a seat A being mounted on a rotating shaft A, the bearing A being arranged vertically with the vertical shaft, bearings with a seat C being arranged at both ends of the rotating shaft A, the bearings with a seat C being arranged on a lower bracket, the bearings with a seat B being arranged on a rotating shaft B, the rotating shaft B being arranged vertically with the vertical shaft, bearings with a seat D being arranged at both ends of the rotating shaft B, the bearings with a seat D being arranged on an upper bracket, an upper turntable and a lower turntable being arranged from bottom to top on the vertical shaft, a plurality of connecting rods being connected between the upper turntable and the lower turntable, a plurality of feed ports being arranged on the upper turntable, a hook for mounting a woven bag being arranged at a position corresponding to the feed port below the upper turntable, a plurality of limit grooves being arranged on the outer wall of the lower turntable along the circumferential direction, a limiter cooperating with the limit grooves being arranged on the lower bracket, and a seat being arranged on the lower bracket. The device has the advantages of structural design, mechanized bagging, high bagging efficiency, low labor intensity, and the like.

The utility model discloses a vertical take-off and landing aircraft relates to aircraft technical field. Vertical take-off and landing aircraft includes aircraft main part, at least two battery module, at least four tilt rotor units and at least two fixed rotor units, and close to the aircraft body head and be located in the aircraft main part either side's a tilt rotor unit with close to the aircraft body tail and be located in the aircraft main part other side's a tilt rotor unit center symmetry and all with same battery module connection, and be located in the aircraft main part either side's fixed rotor unit with the battery module connection of being located in the same side of aircraft main part. The utility model can balance the weight of aircraft, economy and safety and multiple design goals.

The utility model relates to a robot knee joint gravity balance structure which comprises a thigh rod, a shank rod and a knee joint hinge connecting the thigh rod and the shank rod, a hydraulic cylinder is arranged between the shank rod and the thigh rod, a cylinder body of the hydraulic cylinder is hinged to the shank rod, and a piston rod of the hydraulic cylinder is hinged to the thigh rod. A pressure hydraulic tank is arranged on the thigh rod or the shank rod and communicated with the hydraulic cylinder through a soft oil pipe. The auxiliary device is simple in structure and can assist the knee joints of the robot in balancing the weight of the body.

The utility model discloses a movable column type nonmetal five-axis machining center, and belongs to the field of numerical control machining equipment, the movable column type nonmetal five-axis machining center comprises a machining platform and a portal frame structure, two stand columns of the portal frame structure are movably mounted on the two sides of the machining platform, a Y-axis sliding plate is movably arranged on the side face of a cross beam of the portal frame structure, and a Z-axis sliding plate is movably arranged on one side of the Y-axis sliding plate; the Z-axis sliding plate is provided with a shaft head assembly with two rotating shafts, the Y-axis sliding plate is connected with a translation mechanism, the Z-axis sliding plate is connected with a lifting mechanism, the translation mechanism comprises a first driving motor, the lifting mechanism comprises a second driving motor, and the first driving motor and the second driving motor are arranged on the other side of the Y-axis sliding plate through balance weight plates respectively. The weight of the two sides of the Y-axis sliding plate is effectively balanced, unbalance loading borne by the cross beam in the machining process is reduced, stress concentration of the cross beam is reduced, meanwhile, stress of the cross beam and a sliding block and a sliding rail connected with the cross beam is reduced, abrasion and damage of the sliding block and the sliding rail are remarkably reduced, and the service life of the sliding block and the sliding rail is prolonged.