50results about How to "Good counterweight effect" patented technology

The invention discloses an automatic obstacle avoidance type tree obstacle clearing aerial robot and an obstacle avoidance method. The aerial robot comprises a multi-rotor platform, a body, two longitudinal propellers, a front arm, a rear arm, a tool component, a battery pack, a laser radar, a height-finding radar and cameras. The multi-rotor platform provides flying power for the aerial robot; the body is fixedly connected under the multi-rotor platform; the two longitudinal propellers are arranged below the multi-rotor platform and positioned on two sides of the body; the front arm is parallel to the longitudinal axis of the body and fixedly connected to the front end of the body; the rear arm is parallel to the longitudinal axis of the body and fixedly connected to the rear end of the body; the tool component is fixedly connected to the front end of the front arm; the battery pack is fixedly connected to the rear end of the rear arm; the laser radar is fixedly connected to the upperportion of the multi-rotor platform; the height-finding radar is arranged at the bottom of the body; the cameras are arranged on the front side and two lateral sides of the multi-rotor platform and the rear side of the battery pack. The automatic obstacle avoidance type tree obstacle clearing aerial robot and the obstacle avoidance method realize real-time obstacle monitoring and are beneficial to implementation of high-precision obstacle avoidance control of the aerial robot and suitable for implementation of obstacle clearing in tree obstacle and wire densely-intersected areas.

The invention relates to the technical field of construction machinery, in particular to a concrete drilling and coring machine. The concrete drilling and coring machine is characterized by comprisinga rack, a lifting frame and a coring bit, wherein the lifting frame is slidably arranged on the rack, and the coring bit is arranged on the lifting frame. The concrete drilling and coring machine further comprises a sliding frame, a coring mechanism and a counterweight mechanism, wherein the sliding frame is slidably connected to the rack, and a fastener is arranged between the rack and the sliding frame. The coring mechanism comprises a knocking assembly, a supporting assembly and a driving assembly, wherein the knocking assembly comprises a knocking rod and a buffering piece, the knocking rod is arranged on the sliding frame, and the buffering piece is arranged at one end of the knocking rod. The supporting assembly comprises a supporting frame and a supporting tank, the supporting frame is erected on the sliding frame, the supporting tank is slidably arranged on the supporting frame, and an elastic telescopic piece is arranged between the supporting tank and the supporting frame. The driving assembly is used for driving the knocking rod to move, and the counterweight mechanism is arranged on the sliding frame. The drilling and coring machine can improve the stability of equipment in the drilling process, and workers can conveniently take out a concrete core from an inner cavity of the coring bit.

The invention discloses a multifunctional fitness seat with electricity generating and storing functions. The multifunctional fitness seat comprises a leg training device, an arm training device, a belly training device, a steel cable S3, a steel cable S4, a steel cable S1, support seats, a seat plate, handrails, a backrest and an electricity generating and storing device, the electricity generating and storing device comprises a first pulley block, a second pulley block, a third pulley block, a fourth pulley block, a volute spiral spring, a winding wheel, a belt pulley set, an electric generator and an electricity storage unit, the first pulley block, the second pulley block, the third pulley block and the fourth pulley block transmit drawing of the steel cables S1, S4 and S3 to a steel cable S2 directly or indirectly, and finally the steel cable S2 drives the winding wheel 12 to rotate so as to provide mechanical energy for the electric generator 17. The electricity storage unit comprises a single-phase rectifier, an overcharge protection circuit and a lithium battery which are sequentially connected with an output end of the electric generator, and thereby fitness is integrated with a normal office seat and the electricity generating and storing functions are realized by the mechanical energy obtained from fitness.

The invention discloses a layered Zanthoxylum schinifolium planting device. The layered Zanthoxylum schinifolium planting device structurally comprises a base groove block, light-reflecting bevel plates, an integrated power distribution block, a digital tube, a lampshade plate, rhizome binding tube grooved seats and a fastening batten. The layered Zanthoxylum schinifolium planting device has the advantages that the lampshade plate is coordinated with the rhizome binding tube grooved seats to allow pulp to absorb light and heat, the rhizomes of Zanthoxylum schinifolium are combed through combing bent plates, roots are sufficiently wetted by water spray, the bottom rhizomes are continuously combed, the thick, heavy and spreading rhizomes are allow to intertwine in a certain interactive direction in an alignment manner, the roots extend into water-absorption sponges to absorb nutrition and water, lateral water spray is coordinated with rolling fertilizing to achieve upper-end and lower-end equilibrium of the Zanthoxylum schinifolium, top layered leaves and fruits can spread and develop, bottom small prickles penetrate and are combed in one fixed direction to thicken the rhizomes, goodvertical channels and root balance weight effect are provided for through nutrition infusion, top layer leaf and fruit shaking is avoided, each Zanthoxylum schinifolium plant can grow and develop efficiently, and high mature fruit quality is achieved.

The invention relates to a box-shaped self-priming centrifugal pump with a dust removal function. The box-shaped self-priming centrifugal pump comprises a shell, a driving element, a pump, a battery pack and a controller, wherein the output end of the driving element is fixedly connected with the pump, and the driving element, the pump, the battery pack and the controller are all arranged in the shell. the shell comprises a box body, a sliding rail, an inner box, lower racks, a main gear, an auxiliary gear, an upper rack and a cover plate, the sliding rail is fixed to the bottom of the inner wall of the box body, the bottom of the inner box is connected with the sliding rails in sliding and buckled modes, the lower racks are fixed on two sides of the top of the inner box, the main gear is meshed with the lower racks, the auxiliary gear is in meshed connection with the upper rack, the main gear is in transmission connection with the auxiliary gear through a belt, the top of the upper rack is fixedly connected with the bottom of the cover plate, and the cover plate is connected with the top of the box body in buckled and sliding modes. The box-shaped self-priming centrifugal pump has the beneficial effects of being small in size, low in noise and long in endurance and having the dust removal function.

The invention discloses a bionic travelling mechanical animal, and particularly relates to the field of travelling robots. The bionic travelling mechanical animal comprises a trunk mechanism, the topof the trunk mechanism is in transmission connection with a head body, the two sides of the head body are fixedly connected with sound receiving mechanisms, one side of the head body is connected withan infrared camera and a high-definition camera, the two sides of the trunk mechanism are connected with first driving mechanisms, the first driving mechanisms are connected with arm mechanisms, oneside of each arm mechanism is fixedly connected with a fixing seat, and sliding grooves are formed on the two sides of inner cavities of the fixing seats. According to the bionic travelling mechanicalanimal, a first grabbing plate, a second grabbing plate and a tail mechanism are arranged, meanwhile, a plurality of first suction discs and the second suction discs are arranged on the arm mechanisms by simulating octopus tentacles, vacuum adsortption devices connected with the plurality of first suction discs and second suction discs work and grab obstacles, and the counterweight effect of thewhole trunk mechanism is improved through a tail main driving mechanism. Compared with the prior art, obstacles can be rapidly moved or transferred objects can be rapidly grabbed, the overall moving stability is improved, and the using requirement is effectively met.

The invention discloses a concrete vertical lifting device for chimney construction. The concrete vertical lifting device comprises a fixed hanging bracket, a fixed table, a first cantilever, a crawling ladder, a concrete piston pump and a third hydraulic driving device, a base is fixedly welded to the bottom of the fixed hanging bracket, and the base is fixedly installed on the upper surface of the ground through embedded bolts; and a plurality of extending hanging brackets are sequentially installed at the top of the fixed hanging bracket, and connecting sleeves are fixedly welded to the upper side in the fixed hanging bracket and the upper sides and the lower sides in the extending hanging brackets. The concrete vertical lifting device for chimney construction is provided with a sliding frame, a first rack and a first driving device, when the positions of the first cantilever and the second cantilever are adjusted, the first driving device is matched with the first rack to push a sliding table to slide along the sliding frame, the position of the balance weight can be conveniently adjusted in real time according to the operation state of the vertical concrete lifting device, the balance weight can be hoisted on a lifting hook, the balance weight effect is further improved, and the stability of the concrete vertical lifting device for chimney construction is greatly improved.

The invention discloses a 500kV large-span support type tubular bus comprising tubular buses, wherein a support tube is arranged between every two tubular buses and is positioned in each tubular bus; and at least two circles of balls are arranged between each support tube and each section of tubular bus, and the support tubes are fixed at the upper ends of pillar insulators below the tubular buses through a fixing hardware tool. The 500kV large-span support type tubular bus has the advantages that: 1, the deflection of the large-span support type tubular bus meets the specified requirement under wind-free and ice-free conditions; 2, the support points of the tubular buses are articulated with each other so that the bending moments and the torques of the small pillar insulators can be reduced under various working conditions without adopting a bracket; and 3, the integral support tubular bus has simple structure and convenient installation. Eight flexible conducting wires of a telescopic connecting device are in a lantern shape so that the 500kV large-span support type tubular bus has strong corona resistance and radio interference resistance and good shielding performance, and a grading ring does not need to be arranged in the position; and in addition, the telescopic connecting device is integrally fixed by only one fixing hardware tool.