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6results about How to "Avoid leakage accidents" patented technology

A layout structure of water hoses and cables for a drone fire truck

This utility model discloses a fire truck hose and cable layout structure, including a fire truck and a drone, with the drone mounted on the upper part of the fire truck. A fire-extinguishing water spray pipe is installed on the drone, connected to the fire truck's water pump via a hose. The drone is connected to a DC power supply on the chassis at the bottom of the fire truck via a cable, with the drone receiving DC power from the chassis power supply. Only one positive conductor is installed in the cable. The hose includes an outer layer, a negative conductor, and an inner lining layer, with the negative conductor positioned between the outer and inner lining layers and braided together with the outer layer. This utility model removes the negative conductor from the cable and integrates it into the hose structure, reducing the cable diameter and weight, effectively increasing the drone's lifting height under a 400kg load. The flowing medium inside the hose continuously carries away heat from the negative conductor, avoiding overheating risks. Simultaneously, the braided copper conductor and polyester layer enhance the hose's compressive strength.
Owner:SHENYANG JIETONG FIRE TRUCK CO LTD

New energy automobile charging gun folding and unfolding device and use method

PendingCN121990425ARealize automatic take-up and return to positionavoid long-term exposureCharging stationsVehicular energy storageNew energyElectric machinery
The invention relates to the technical field of charging pile auxiliary equipment, and discloses a new energy automobile charging gun take-up and pay-off device and a using method.The device comprises a mounting frame, a driving wire extruding wheel and a driven wire extruding wheel are arranged on one side of the mounting frame, the driving wire extruding wheel is driven by a gear motor, and the driven wire extruding wheel is close to the driving wire extruding wheel through an elastic structure; the induction wheel is located on the front side of the driving wire extruding wheel and installed on a potentiometer assembly sliding block which only plays a bearing role, and the installation frame is further provided with a guide wheel and a front-back guide block. The using method comprises the steps of paying-off operation, charging state judgment, take-up triggering verification and automatic take-up homing, and a manager linkage homing step can be additionally arranged. Through motor driving and double verification, automatic take-up of the charging gun is achieved, exposure is prevented, safety is guaranteed, and take-up is accurate; the induction wheel and the position sensor are matched with a collaborative algorithm, so that paying-off is labor-saving and smooth; and the method adapts to existing charging piles, parameters are adjustable, and application is wide.
Owner:国网山东省电力公司日照供电公司

Stator assembly and motor using it

ActiveCN224289435UNot prone to mechanical frictionless likely to collidePrevention/reducing eddy-current losses in winding headsMagnetic circuit stationary partsElectric machineClassical mechanics
This utility model discloses a stator assembly and a motor using the same, relating to the technical field of motors and their components. It includes a stator support, a stator core, and a stator winding. The stator support is sleeved on the stator core to shield at least a portion of the stator core. The stator winding is wound around the stator core. The stator support includes at least an insulating cover plate. The insulating cover plate is fixedly disposed at the stator support for shielding at least a portion of the stator core and / or the stator winding. This utility model primarily addresses the problem of providing a reasonable and reliable shielding structure for the stator assembly. It reduces the likelihood of mechanical friction and collision between the stator core and / or the stator winding, thereby decreasing the possibility of mechanical damage. Furthermore, it isolates the stator core and / or the stator winding from liquid and moisture erosion to a certain extent, reducing the possibility of corrosion. It also prevents accidental contact by personnel.
Owner:广东深鹏科技股份有限公司

printer

ActiveCN224426905Ubarrier contactlow costComputer printingElectric machinery
This utility model relates to a printer, comprising: a frame; a printer core including a support assembly, a printhead assembly, and a roller assembly, wherein the support assembly is movably mounted on the frame, the printhead assembly is connected to the support assembly, and the roller assembly is disposed opposite to the printhead assembly; a paper feed motor mounted on the frame; a cutter assembly including a fixed bracket positioned above the frame; a contact spring located between the fixed bracket and the frame, the contact spring including a base plate and a support leg, the base plate being disposed on the outer bottom wall of the fixed bracket, and the support leg being connected to the housing of the paper feed motor and the support assembly; and a wire, the first end of which is connected to at least one of the support assembly, the housing of the paper feed motor, the fixed bracket, and the contact spring, and the second end being used for grounding; the housing of the paper feed motor, the support assembly, the fixed bracket, and the contact spring are all made of conductive materials. This device can discharge static electricity generated by the paper feed motor, the printer core, and the cutter assembly through a single contact spring, making assembly and disassembly convenient.
Owner:GUANGZHOU HENGYING TECHNOLOGY CO LTD