48results about How to "Increase the force area" patented technology

The invention relates to the field of pipe fitting polishing, and discloses a pipe fitting polishing device. The pipe fitting polishing device comprises a machine frame and a supporting table, a conveying roller is rotationally connected to the supporting table, a clamping ring is rotationally connected to the supporting table, a through hole is formed in the middle portion of the clamping ring, driving teeth are arranged on the outer wall of the clamping ring, the interiors of the driving teeth are hollow, abutting-against rods are fixedly connected to the top ends of the interiors of the driving teeth, the other ends of the abutting-against rods are fixedly connected with abutting-against blocks, first supporting springs are fixedly connected between the top ends of the interiors of thedriving teeth and the outer wall of the clamping ring, a rack is in sliding connection to one side of the supporting table, a reset spring is fixedly connected to the upper portion of the rack, and anair bag is arranged above the rack and is opposite to the rack; and an air cylinder is in sliding connection to the supporting table, a guide pipe is connected between the air cylinder and the air bag, polishing strips are fixedly connected to the supporting table and are located on the opposite sides of the supporting plate, and the supporting table is further provided with a pushing mechanism used for pushing and abutting against the air cylinder. By means of device, the problem that a traditional polishing device cannot evenly polish a pipe fitting or local polishing is excessive is solved.

The invention relates to a naturally-energy-driven wing-rudder linkage long-endurance twin-hull unmanned boat, and belongs to the field of unmanned boats. The naturally-energy-driven wing-rudder linkage long-endurance twin-hull unmanned boat comprises a twin-hull sheet body, four wave swinging hydrofoils, wing-rudder linkage mechanisms, hydrofoil mounting plates, a solar panel, a wind generator and a fan bracket. Two of the swinging hydrofoils are arranged at the bow and two of the swinging hydrofoils are arranged at the stern, and the swinging hydrofoils are arranged side by side in the widthdirection of a hull. The arrangement method overcomes the structural weight gain burden when the wings are greatly expanded. The front and rear hydrofoils extend towards the bow and the stern correspondingly, so that the hydrofoils utilize the longitudinal motion of the hull in waves and the heave amplitude is larger than the heave amplitude of the bow and the stern of the sheet body, and thus the thrust generated by the hydrofoils is effectively improved. The wing-rudder linkage mechanisms adopt hydraulic transmission devices, the thrust of the hydrofoils on the left side and the right sideof the hull is changed by limiting the rotation range of the swinging hydrofoils on the left side and right side of the hull, a thrust difference is generated to drive the unmanned boat to rapidly rotate the bow, and when the rotation of all the hydrofoils are limited at the same time so that the unmanned boat cannot generate thrust, the unmanned boat can quickly stop, and therefore, the unmannedboat has the capability of rapidly rotating the bow and stopping in an emergency.

The invention provides a positioning fixture for positioning a circular ring and a section frame at the bottom of a storage case. The positioning fixture comprises a base, a mould fixed on the base and used for positioning the circular ring and the section frame from the inner side, a first pressing assembly used for pressing the circular ring from the outer side and a second pressing assembly used for pressing the section frame; the first pressing assembly comprises a first pressing ring sleeving the circular ring from the outer side and a first pressing mechanism acting on the first pressing ring; the second pressing assembly comprises a second pressing ring sleeving the section frame from the outer side, a second pressing mechanism acting on the second pressing ring, and a third pressing mechanism used for pressing the section frame inwards from the outer side; the first pressing mechanism, the second pressing mechanism and the third pressing mechanism are fixed on the base and positioned on the outer side of the mould. The positioning fixture has good positioning effect on the circular ring and the section frame, cannot affect welding, and can provide guarantee for achieving high-quality welding.

The invention provides a buccal side multi-curved spring invisible orthodontic appliance which comprises an invisible orthodontic tooth socket and a buccal side multi-curved spring, the invisible orthodontic tooth socket comprises an upper jaw invisible tooth socket and a lower jaw invisible tooth socket, and the buccal side of the upper jaw invisible tooth socket and the buccal side of the lower jaw invisible tooth socket are both provided with a bag-shaped structure; a containing cavity is formed in the bag-shaped structure, the containing cavity penetrates through one side of the bag-shaped structure to form a bag opening, the bag opening of the bag-shaped structure on the upper jaw invisible tooth socket faces the back tooth area, and the bag opening of the bag-shaped structure on the lower jaw invisible tooth socket faces the front tooth area; the two free ends of the buccal side multi-curved-spring are connected with reinforcing blocks, and the reinforcing blocks at the two free ends of the buccal side multi-curved spring are detachably connected with the containing cavity of the upper jaw invisible tooth socket bag-shaped structure and the containing cavity of the lower jaw invisible tooth socket bag-shaped structure in an inserted mode through the bag openings respectively. The buccal side multi-curved spring and the invisible orthodontic tooth socket can be combined together to realize stress application for orthodontic treatment. The invention also provides the used invisible orthodontic tooth socket and the buccal side multi-curved spring matched with the invisible orthodontic tooth socket.

The invention discloses an energy absorption traction elevator, and relates to the field of elevator manufacturing. The energy absorption traction elevator comprises a lift car, a steel wire rope, a counter-weight and a traction machine; the lift car comprises a car door, a control opening part used for controlling opening of the car door is arranged on the surface of the side, close to internal space of the lift car, of the car door, and the control opening part comprises a handle containing part and a collision buffering part; the handle containing part is a plane extending in the directionof the internal space in a manner of being vertical to the surface of the car door, and the collision buffering part is an arc-shaped convex face extending from the edge of the tail end of the hand containing part to the side far away from the door connection position and gradually getting close to the surface connected with the car door, and therefore passengers inside the lift car can open the car door from the interior of the lift car at dangerous moment, and self rescue is achieved; on one aspect, the safety of the traction elevator when unforeseen circumstances occur is improved; and on the other aspect, more self rescue force can be give to the passengers, and life and personal injury losses caused by the fact that accidents happen to the traction elevator are reduced.

The invention relates to a mark printing device for inner walls of U-shaped parts. The mark printing device comprises an operating platform and a driving shaft. A support plate is arranged on the operating platform, a first sliding groove and a second sliding groove are formed in the support plate, a first mark printing tube and a second mark printing tube are slidably connected into the first sliding groove and the second sliding groove respectively, a protrusion block is arranged in the middle of each of the first mark printing tube and the second mark printing tube, a rotating shaft is arranged on the support plate, and is located between the first sliding groove and the second sliding groove, a driving plate is connected to the rotating shaft coaxially, a first driving groove and a second driving groove are formed in the driving plate, the protrusion blocks are connected into the first driving groove and the second driving groove in a sliding manner. A first connection rod is fixedly connected to the driving shaft, a second connection rod is connected to the other end of the first connection rod rotationally, the other end of the second connection rod is connected to the protrusion block of the first mark printing tube rotationally; an airbag is fixedly connected to the support plate fixedly, an air cylinder, directly facing the airbag, is arranged on one side of the airbag, an air guide tube is connected between the air cylinder and the airbag. The mark printing device has the advantages that additional fixtures are not needed, and convenience in operation is achieved.

The invention provides a three-dimensional fitting device of a touch display panel device. The fitting device includes a frame body, an elastic film and multiple elastic members; the frame body is arranged on pad pasting equipment; the elastic film is located on the inner side of the frame body; the multiple elastic members are annularly distributed on the periphery of the elastic film; one end ofeach elastic member is connected to the elastic film, and the other end of each elastic member is connected to the frame body; and the controlling and moving of the pad pasting equipment can be realized through the frame body so that the pad pasting equipment can be aligned with a pasted object, and therefore, the elastic film can fit with the pasted object according to the shape deformation of the pasted object. As the elastic film is not directly connected to the frame body, different parts of the elastic film can freely telescope and deform by depending on each elastic member; and as the elastic members has elasticity, the fitting device can accurately fit with three-dimensional pasted objects with higher height.

The invention relates to the field of drilling, and discloses a flange drilling device. The flange drilling device comprises a machine frame and a driving shaft. The driving shaft is coaxially and fixedly connected with a driving gear, and the driving gear is a sector-shaped gear. The driving shaft is rotatably connected with a supporting rod, and the other end of the supporting rod is fixedly connected to the machine frame. The driving gear meshes with a transmission gear. A lead screw is coaxially and fixedly connected to the transmission gear, and the other end of the lead screw is rotatably connected with a supporting gear. An alarming apparatus and a control switch which controls the alarming apparatus are arranged on the transmission gear and the supporting gear. A reset spring is arranged on the control switch. A supporting platform is connected to the lead screw in a threaded mode. A transfer plate is rotatably connected to the supporting platform. A positioning groove is formed in the transfer plate. Driving teeth are evenly distributed in the circumferential direction of the transfer plate. A rack is fixedly connected with the machine frame, and the rack meshes with the driving teeth. A cylinder is arranged above the supporting platform, a drilling plate is fixedly connected to the bottom of a piston rod of the cylinder, and a drill bit is arranged on the drilling plate. The flange drilling device solves the problem of hidden danger caused by the mobile drilling equipment.

The invention relates to an intelligent first-aid mouth opener. The intelligent first-aid mouth opener comprises a handle and an elastic mouth opening bag; a guiding tube is formed in the handle, a suction wheel is coaxially installed in the guiding tube and engaged with an inner wheel of one corresponding one-way bearing, operating cylinders are distributed on the periphery of the guiding tube in parallel, and a pneumatic wheel is coaxially installed in each operating cylinder; pistons are arranged at the front ends of the operating cylinders in a sliding mode, and puncture needles are fixed to the pistons; the tip ends of the puncture needles face towards liquid storage cavities and partition membranes, and the tail ends of the puncture needles come out of the operating cylinders and are fixed to a pushing plate; through holes are formed in the rear ends of the operating cylinders and communicated with the mouth opening bag; a suction tube is arranged in the mouth opening bag in a penetrating mode, and the tube wall of the suction tube is connected with the mouth opening bag in an airtight mode. According to the mouth opener, the structure is original and unique, the mouth of a patient can be maintained open, the teeth of the patient are protected, damage to the mouth is reduced, and smooth breathing is guaranteed at the same time.

The self-adaptive forming piece clamping ring comprises a ring body, the ring body is provided with an opening, the two ends of the opening are a first clamping end and a second clamping end, the first clamping end comprises a first fixing part and two first arc-shaped clamping faces, and the first fixing part is fixed to one side of the opening of the ring body; the second clamping end comprises a second fixing part and two second arc-shaped clamping surfaces, and the second fixing part is fixed on the other side of the opening of the ring body; a first elastic connecting part is arranged between the first fixing part and the two first arc-shaped clamping surfaces, one side of the first elastic connecting part is connected with the first fixing part, and the other side of the first elastic connecting part is connected with the two first arc-shaped clamping surfaces. The self-adaptive forming piece clamping ring can adaptively adjust the fitting state of each arc-shaped clamping surface and a tooth wall along with the tooth state to improve the fitting degree of the forming piece and the tooth, is firm in clamping, not easy to fall off, good in tooth filling effect, free from fighting for space with a clearance wedge, and convenient to use.

The invention provides a tap water power generating device. The tap water power generating device comprises a case which is internally provided with an impeller, a power generator, a rectifier and a storage battery; the case is connected with a water feeding three-way pipe and a water discharging three-way pipe which are provided with solenoid valves; blades comprise the six rotary blades, and a plurality of half-moon impact grooves are formed in the rotary blades; an automatic control display device and a wireless charging panel are arranged on the case and are electrically connected with thestorage battery; the automatic control display device comprises a pressure sensor and controllers of the solenoid valves; and the storage battery is provided with a USB interface and a mains supply interface. According to the tap water power generating device, the blades are impacted to rotate through the water feeding three-way pipe and the water discharging three-way pipe so that the power generator can be driven to generate power, when water pressure is insufficient, the power generator can serve as a motor to drive the impeller to rotate so that the water pressure can be increased, electricity can be supplied to external electric appliances through the storage battery and the wireless charging panel, and the mains supply can be connected to the storage battery so that the storage battery can be charged.

The invention discloses an intelligent water tank for a steam oven and a water adding method thereof. The intelligent water tank is installed in a water tank opening of the steam oven and further comprises a water tank controller, a water level sensor and an intelligent push-pull mechanism, the water tank controller is connected with a water level sensor and receives a water level signal detectedby the water level sensor, and the water tank controller controls the intelligent push-pull mechanism; the water level sensor is installed in the tank body, and the intelligent push-pull mechanism isconnected with a water tank shell and pushed out of or pulled into the intelligent water tank. The water tank is designed to be an intelligent water tank and provided with the water tank controller, the water level sensor and the intelligent push-pull mechanism, the water tank controller automatically controls the intelligent push-pull mechanism according to a water level signal detected by the water level sensor, and water in the water tank is automatically pushed out after being used up and reminds a user to add water; the water tank is automatically controlled and does not need to be manually taken, and the problems of water tank turnover, water tank jamming and the like caused by human errors are avoided; and the water tank is pushed out and pulled in more safely and reliably.

The invention relates to the technical field of glass curtain walls, and discloses a multi-angle glass curtain wall keel connecting device which comprises a panel, clamping pieces are fixedly installed at the corners in the panel, sliding rods are fixedly installed at the right ends of the clamping pieces, sliding cavities are formed in the sliding rods, the sliding cavities are filled with gas, and the clamping pieces are fixedly installed at the right ends of the clamping pieces. A keel is installed on the right side of the sliding rod, a supporting rod is fixedly installed on the side, close to the sliding rod, of the keel, and the piston end of the supporting rod is movably connected with the sliding cavity and divides the sliding cavity into a left cavity located on the left side of the piston end and a right cavity located on the right side of the piston end. An air distribution hole is formed in the supporting rod, and the left cavity can communicate with the external environment through the air distribution hole. Through the arrangement of the sliding rods and the supporting rods, the contact area of the air bag and the panel is increased, part of thrust applied to the clamping piece by the panel can be transferred to the air bag, therefore, force application concentration of the panel is avoided, and the probability that the panel is broken is reduced.