42results about How to "Avoid vulnerable situations" patented technology

The invention provides a medical suture zipper. The medical suture zipper comprises medical adhesive blocks 1 and 1', a long strip 2 and convex teeth 4, wherein the medical adhesive blocks are pasted on skin on both sides of a wound needing to be sutured respectively, and are made of a transparent medical plastic material; the adhesive blocks 1 and 1' have a plurality of porous structures; the long strip 2 is connected to the adhesive blocks, and is made of a flexible material; the convex teeth 4 are continuously arranged on the long strip 2 at intervals; one side of the medical adhesive block 1 and one side of the medical adhesive block 1' are coated with an adhesive; the sides coated with the adhesive are covered with a peeling layer 8; the long strip 2 is connected to the adhesive block 1; a lock catch 5 for fixing the convex teeth is fixed on the adhesive block 1'. According to the medical suture zipper provided by the invention, only one of the adhesive blocks is provided with a tape with the convex teeth, and the other adhesive block is provided with the lock catch, so that the problem of too tight or too loose traction can be avoided, the operation accuracy is increased, the appearance of scars after wound healing is ensured as far as possible, and twisted curved scars left between suture zipper units are avoided.

The invention discloses multiple damping protection type medium adsorption type decoration engineering material crushing equipment. The equipment comprises a top anti-ejection type crushing assembly, an embedded damping shock absorption screening assembly, an impact type medium adsorption type dust suppression and collection assembly and a lifting and conveying assembly. The invention belongs to the technical field of building material decoration, and particularly relates to multiple damping protection type medium adsorption type decoration engineering material crushing equipment which is high in reliability, environmentally friendly and wide in application range. The buffering and damping effects of the buffering movable plate are improved through repulsive force between the first permanent magnet and the second permanent magnet, flexible blocking of splashing fragments is achieved in the brittle decoration material crushing process under the condition that no driving unit or sensor exists, the materials are rapidly crushed, meanwhile, the splashing fragments are prevented from damaging equipment, and the service life of the equipment is prolonged. And workers are accidentally injured.

The invention discloses an invitation code generation method and device, an invitation code verification method and device, an electronic device and a storage medium and the method comprises the steps: generating a character string according to a preset rule, and generating a first redundancy check code according to the character string; generating a reference characteristic value of the characterstring according to the first redundancy check code; generating an identification code which is used for uniquely representing the reference characteristic value, and storing the reference characteristic value and the identification code into a database according to a corresponding relation between the reference characteristic value and the identification code; generating a first characteristic value according to the first redundancy check code, the identification code and a preset private key; generating a second redundancy check code according to the first feature value; and generating invitation code information according to the first redundancy check code, the identification code and the second redundancy check code. Therefore, part of character strings in the invitation code are stored in the database in the form of feature values (namely ciphertext), so that the security and the stability of the system are improved, and the verification efficiency and the performance of the invitation code can be effectively improved.

The invention provides an integrated breast pump, and belongs to the technical field of breast pumps. The breast pump comprises a trumpet cover used for sucking breast milk, a breast pump host, and abreast milk storage container. A breast milk outlet of the trumpet cover is communicated with a mouth portion of the breast milk storage container in a closed manner. The trumpet cover comprises a deformation portion made by an elastic material. The breast pump host is provided with a concave portion. Space in the concave portion is communicated with an air channel of the breast pump host. When the trumpet cover is arranged on the breast pump host, the deformation portion is in the concave portion. The trumpet cover seals the mouth portion of the concave portion. Through arranging the trumpetcover 1, the breast milk storage container 3, and the breast pump host 2 in an integrated manner, volume of the integrated breast pump is effectively reduced, an external pipe used to connect the trumpet cover with the breast pump host in the prior art is completely not needed, and a condition that the external pipe is easily damaged in use and storage processes is prevented, service life of the breast pump is prolonged, and the breast pump is convenient to store.

The invention discloses a floating garbage fishing device and method for a water conservancy project, and belongs to the technical field of environmental protection. The floating garbage fishing device comprises a salvaging ship, wherein two sets of supporting bearing seats with the same structure are arranged on the right side of the top of the salvaging ship, the two sets of supporting bearing seats are connected with a mounting shaft, and a conveying belt is arranged on the mounting shaft; and fixing seats are arranged on the front side and the rear side of the top of the conveying belt, hydraulic cylinders are hinged to the bottoms of the fixing seats, and the bottom ends of the hydraulic cylinders are connected to the salvaging ship. According to the floating garbage fishing device and method, garbage on the shore is sprayed through two rows of uniformly arranged spray heads, the garbage on the shore is separated from winding of plants on the shore through the impact force of spraying, so that the garbage on the shore can be conveyed through the conveying belt, during conveying, a driving motor works so that a cutting disc can be driven to rotate, then the garbage conveyed tothe conveying belt can be prevented from being wound together and being not prone to moving, moreover, the effect of upwards stirring the garbage can be achieved, and then the conveying belt can be conveniently assisted to convey the garbage.

The invention belongs to the technical field of building slabs, and particularly relates to a light-weight high-strength prefabricated slab for a building. The light-weight high-strength prefabricatedslab for the building comprises a prefabricated slab frame, wherein a prefabricated slab filling cavity is arranged in the prefabricated slab frame; cement slabs, reinforcing ribs, wire reinforcementmeshes and circular cavity pipes are sequentially arranged at the top end of the inner part of the prefabricated slab filling cavity; and the cement slabs, the reinforcing ribs and the wire reinforcement meshes are symmetrically distributed at the top ends and the bottom ends of the circular cavity pipes. The double-layer reinforcing ribs and the wire reinforcement meshes are combined, so that the manufactured prefabricated slab has favorable hardness and strength, the overall strength of the distribution positions of the circular cavity pipes can be improved, the overall stability of the prefabricated slab is improved, the occurrence of the phenomenon that the prefabricated slab is locally weak due to the distribution of the circular cavity pipes is avoided, and the overall firmness of the prefabricated slab is improved; and the reinforcing ribs and the wire reinforcement meshes are made of cold-drawing low-carbon steels, and high-strength light-weight aggregate cores additionally arranged in the cement slabs are combined, so that the overall firmness of the prefabricated slab is improved.

The invention discloses a street lamp cleaning device. The device comprises a cleaning box, and a connecting box is fixedly arranged on the upper end face of the cleaning box; a belt cavity is formedin the connecting box, a rotating mechanism is arranged in the belt cavity, and the rotating mechanism comprises a transmission shaft rotationally arranged on the inner wall of the upper side of the belt cavity; a moving groove is formed in the cleaning box, a lifting mechanism is arranged in the moving groove, and the lifting mechanism comprises a pushing frame capable of moving left and right inthe moving groove; and a transmission cavity is formed in the cleaning box, a transmission mechanism is arranged in the transmission cavity, and the transmission mechanism comprises a torsional spring groove formed in the inner wall of the upper side of the transmission cavity. According to the device, a street lamp can be automatically cleaned through wind energy and can be cleaned when sunlightexists, and the use of the street lamp at ordinary times cannot be affected; and the manpower loss is reduced, the situation that a worker is prone to being injured when perform cleaning at a high position is avoided, and the lighting effect of the street lamp is enhanced.

The invention discloses a free-range cattle multifunctional restraining device, and relates to the technical field of agricultural and pastoral machinery manufacturing. The technical scheme of the invention has the key points that the free-range cattle multifunctional restraining device comprises a bottom plate and a top plate, and two feeding lifting devices are arranged at one end of the top of the bottom plate at intervals; a restraining rod is transversely arranged between the two feeding lifting devices, and the restraining rod is perpendicular to the conveying direction of a conveying chain; first restraining ropes are arranged at the two ends of the restraining rod, a connecting rod is arranged in the middle of the restraining rod, the connecting rod is of a like L shape, and a food groove is fixedly connected to the end, away from the restraining rod, of the connecting rod; a cow head fixing plate is arranged at the end part of the top plate, and a first arc-shaped groove is formed in the bottom end of the cow head fixing plate; and telescopic baffle device are arranged at the two ends of the top of the bottom plate, and each telescopic baffle device comprises a first protection baffle, a second protection baffle, a third protection baffle and a sliding device. According to the restraining device, the head of a cattle can be restrained when the cattle eat food so as to achieve the labor-saving effect; and meanwhile, the lengths of the baffle devices can be adjusted according to different body types of cows so as to implement improvement of the restraining effect.

The invention discloses a drilling tool effectively avoiding damage of a cutting edge, relates to the field of machining cutters, and provides the drilling tool capable of effectively avoiding damage of the cutting edge. The drilling tool comprises a drill bit body, an inner edge blade and an outer edge blade, wherein the inner edge blade and the outer edge blade are connected with the drill bit body. The inner edge blade is provided with an inner edge, and the outer edge blade is provided with an outer edge. The inner edge comprises a first inner edge section, a second inner edge section and a third inner edge section. The part, located at the foremost position, of the first inner edge section is a centering point, and the first inner edge section extends outwards to the rear portion from the centering point. The third inner edge section extends outwards to the front portion from the center of the drill bit body. The second inner edge section is located between the first inner edge section and the third inner edge section. The second inner edge section extends outwards to the front portion from the third inner edge section. The outer end of the second inner edge section is located behind the outer end of the first inner edge section. The second inner edge section is in smooth transition with the first inner edge section and the third inner edge section. According to the drilling tool, the situation that the inner edge cutting edge is prone to breakage can be effectively avoided.

The invention belongs to the technical field of information automation, and particularly relates to a remote telemetering switch for industrial Internet of Things. The remote telemetering switch for the industrial Internet of Things comprises a mobile phone module, a ringing connector, a diode, a capacitor, a relay, a transverse-T-shaped armature, springs, a plug and a socket. The ringing connector is arranged in the mobile phone module. After one end of the ringing connector is connected with the diode through a guide line, the end and the other end of the ringing connector are connected with the capacitor and the relay in parallel through a guide line to form a circuit. The wide portion of the transverse-T-shaped armature is close to the relay, and the springs are connected to the upper end and the lower end of the transverse-T-shaped armature. The narrow portion of the transverse-T-shaped armature is located between series connection guide lines of the plug and the socket. By the attraction action of the relay and the subsequent spring retraction action, the transverse-T-shaped armature can move leftwards and rightwards, and the two guide lines contact with alternate conducting materials or insulating materials at the same time. Compared with the prior art, the mobile phone signal based switch for the informationized Internet of Things has the advantages of simple structure and turn-on and turn-off instantaneity.