49results about How to "Won't loose easily" patented technology

The invention belongs to the field of tree protection technology, and particularly relates to a street tree lodging-resistant rope-connecting support. The street tree lodging-resistant rope-connecting support is applied to lodging-resistant supporting of multiple trees, and comprises a plurality of diameter-variable fixing sleeves, dual-ring steel wire ropes, adjusting threaded rods and fixing ground anchors. Each diameter-variable fixing sleeve is arranged on a tree in a sleeving mode and is connected with the multiple dual-ring steel wire ropes. When two adjacent trees are connected, the dual-ring steel wire ropes between the two trees are connected through one adjusting threaded rod. When a tree is connected to a foundation, each dual-ring steel wire rope is connected with one fixing ground anchor through one adjusting threaded rod, and the fixing ground anchor is connected with the foundation. The street tree lodging-resistant rope-connecting support is applied to multiple trees, replaces the supporting of a three-foot or four-foot wooden support or steel frame with two-foot steel wires, enables rope connection on the whole to be fixed, saves space and materials, is beautiful, environmentally friendly, stable and firm, and can be installed on site rapidly, simply and conveniently, thereby having a wide development space in the greening construction field.

The invention relates to the field of ultrahigh pressure physical experiment equipment, in particular to an improved device for pressing diamond and aligning the diamond with base. The pressing and aligning device comprises a foundation bed used for placing the base and a pressing mechanism for applying pressure on the waist of the diamond, an observation hole with the central axis parallel to that of a through hole in the base is formed in the foundation bed, the central axis of the observation hole coincides with the pressure applying direction of the pressing mechanism, the foundation bed is connected with a body supporting structure used for supporting the pressing mechanism, and the body supporting structure is provided with an adjusting mechanism for adjusting the relative position of the diamond to the base and can rotate around the central axis of the observation hole relative to the base and the pressing mechanism. The body supporting structure only needs to be rotated to the suitable position, and the center of a diamond table board can coincide and be aligned with the central axis of the through hole fast by extruding the base with the adjusting mechanism.

The invention relates to the technical field of building nodes and discloses a precast concrete beam with high-strength connecting nodes. The precast concrete beam comprises a concrete longitudinal beam, wherein the concrete longitudinal beam is internal provided with erection ribs, transverse stress ribs are arranged in the concrete longitudinal beam, longitudinal stress ribs are arranged in theconcrete longitudinal beam, and the erection ribs, the transverse stress ribs and the longitudinal stress ribs are connected in a staggered way. According to the precast concrete beam with high-strength connecting nodes, the concrete longitudinal beam can bear outside pull forces, shear forces and bending forces under the joint effects of the erection ribs, the transverse stress ribs and the longitudinal stress ribs so that the concrete longitudinal beam can bear the effect of a force of a concrete transverse beam, the frictional forces between arc-shaped clamp-connecting grooves and arc-shaped clamp-connecting plates are increased under the joint effects of upper clamping teeth and lower clamping teeth, and thus the arc-shaped clamp-connecting grooves and the arc-shaped clamp-connecting plates are difficult to separate under external forces.

The invention provides an electrically conductive connecting device. The electrically conductive connecting device comprises a female connecting end and a male connecting end, wherein the inside of an insulated cup body of the female connecting end comprises two symmetrically distributed N contact pieces, two CC2 contact terminals and two CC1 contact pieces; the male connecting end comprises an insulating base body, and the outer side of the insulating base body is provided with an N contact ring and a CC1 contact ring; an upper end of the insulating base body is provided with an L contact point; and the outer side of an upper end face of the insulating base body is embedded with a CC2 contact ring; a lower end of the insulating base body is tabled with a grounding base body; the grounding base body is a conductor and connected with the ground; when the male connecting end and the female connecting end are connected, the N contact ring and the N contact pieces are laminated; the L contact point and an L contact terminal are laminated; the CC1 contact ring and the CC1 contact pieces are laminated; the CC2 contact ring and the CC2 contact terminals are laminated; and a grounding shrapnel and the grounding base body are laminated. According to the electrically conductive connecting device provided by the invention, the female connecting end and the male connecting end can be accurately located, and the female connecting end can be accurately shifted to a joint of the female connecting end and the male connecting end; besides, electrical contact structures are tightly combined, and a certain error is allowed when the electrical contact structures are connected.

The invention belongs to the technical field of lamp processing, and particularly relates to dispensing equipment for lamp production. The dispensing equipment comprises an L-shaped rack, wherein the L-shaped rack is provided with a first electric control box, a second electric control box and a dispensing mechanism; the second electric control box is connected with a workbench; the workbench comprises a circular rotary table, a first step motor, a second step motor and a lamp holder placing mechanism; the lamp holder placing mechanism comprises a circular placing base; the circular placing base is provided with a clamping plate; a second circular-arc slot and a third circular-arc slot are formed in the circular placing base; the output shaft of the second step motor is connected with a second rotary disc; the second rotary disc is provided with an elastic telescopic ejector rod; and the second circular-arc slot and the third circular-arc slot are connected with supporting plates. By the dispensing equipment, the problems that existing dispensing equipment only can limit a lamp holder through friction force after the lamp holder is placed on the placing base, so that the lamp holder is likely to slip relative to the placing base, and therefore, dispensing of the lamp holder is not uniform; and meanwhile, the non-glued position of the lamp holder part is not fixed and sealed, so that the product is unqualified are solved.

An anti-loose fixing structure for a memory is used in a laptop. The memory is inserted in a memory slot; the memory slot is formed in a main board of the laptop; a rectangular groove is formed in a body of the anti-loose fixing structure for the memory; the width of the groove is the same with the thickness of the memory; the anti-loose fixing structure for the memory is in close fitting with one side of the memory through the groove; one side of the memory is far away from the memory slot; and the anti-loose fixing structure for the memory is adhered to the main board of the laptop. When the anti-loose fixing structure for the memory is used, the memory can be tightly fixed on the main board of the laptop through the groove, in a laptop falling test, the memory cannot loose or drop from the memory slot easily, starting crash is avoided after the laptop falling test is finished, and poor display after the laptop is started is also avoided.

The invention discloses a movable medical nursing bed which comprises upper transverse beams and a lower transverse beam. A vertical rod is mounted on the lower sides of the upper transverse beams, guardrail locking devices are connected with the middles of the upper transverse beams, grooves are formed in the lower side of the lower transverse beam, supports are mounted on the upper sides of the grooves, a table board is fixedly mounted on telescopic rods, switches are arranged on the upper portions of the supports, bolts are mounted on the lower portions of the supports, wheels are mounted below the grooves, a bedside board is mounted on the upper side of the lower transverse beam, casters are mounted at the bottoms of the wheels, caster axles are mounted on the left sides of the casters, oblique planes are mounted on the outer sides of the caster axles, caster mounting shells are arranged on the outer sides of the oblique planes, and cylindrical mounting portions are arranged on the upper sides of the caster mounting shells. The movable medical nursing bed has the advantages that the nursing bed with the casters can freely move; noise can be lowered to the greatest extent owing to caster assemblies; the movable medical nursing bed is simple in structure and convenient to use.

The invention discloses pet food and a preparation method of the pet food. The preparation method comprises the following steps: molding a content body; covering the surface of the content body with meat substances and tightly covering the surface of the content body with the meat substances by using an outer skin to form pet food; and baking the pet food under a pre-set baking condition. According to the preparation method, the content body is molded by adopting an industrial molding manner; meanwhile, the outer skin is used for tightly covering the surface of the content body with the meat substances so that the outer skin is not easy to loosen in the baking process and the chewing and occlusion time of animals is improved; the production efficiency of the pet food can be improved and the product performance of the pet food can also be improved; the cost of raw materials of the pet food is reduced; furthermore, some needed nutritional substances or other additives can also be added into the pet food according to the requirements.

The invention relates to the technical field of building nodes and discloses a precast concrete beam with high-strength connecting nodes. The precast concrete beam comprises a concrete longitudinal beam, wherein the concrete longitudinal beam is internal provided with erection ribs, transverse stress ribs are arranged in the concrete longitudinal beam, longitudinal stress ribs are arranged in theconcrete longitudinal beam, and the erection ribs, the transverse stress ribs and the longitudinal stress ribs are connected in a staggered way. According to the precast concrete beam with high-strength connecting nodes, the concrete longitudinal beam can bear outside pull forces, shear forces and bending forces under the joint effects of the erection ribs, the transverse stress ribs and the longitudinal stress ribs so that the concrete longitudinal beam can bear the effect of a force of a concrete transverse beam, the frictional forces between arc-shaped clamp-connecting grooves and arc-shaped clamp-connecting plates are increased under the joint effects of upper clamping teeth and lower clamping teeth, and thus the arc-shaped clamp-connecting grooves and the arc-shaped clamp-connecting plates are difficult to separate under external forces.

The invention relates to the field of handling devices, in particular to a stair-climbing cargo truck, which includes a base, a driving structure, an auxiliary structure, an adjustment structure, a protective structure and a rotating structure. Building, through the setting of the auxiliary structure, the use of the truck is more convenient, and it can cooperate with the driving structure to carry the goods upstairs. By adjusting the setting of the structure, it is more convenient for the truck to load the goods, and the goods can be loaded in a horizontal state. Through the setting of the protective structure. When the goods are moved by the truck, the goods can be placed more stably, and the small goods are not easy to fall during the process of carrying upstairs. Through the setting of the rotating structure, the truck can be more convenient to carry the goods, and you can choose according to your needs. Use different methods to make the goods more stable on the truck.