39results about How to "Will not affect passing" patented technology

The invention discloses a vehicle overweight detection device for transportation, which comprises a foundation, and the foundation is respectively provided with a mounting groove and a placement groove, and the mounting groove is located above the placement groove, and the mounting groove is slidably installed by a limit mechanism. A load-bearing plate, a plurality of second springs are evenly arranged between the load-bearing plate and the bottom wall of the installation groove, an elastic air bag is arranged in the placement groove, a liquid storage tank is opened on the bottom wall of the installation groove, and the liquid storage tank The inner seal is slidingly connected with a piston plate, and the piston plate and the load-bearing plate are fixedly connected by a plurality of connecting rods. There is a connecting pipe between the liquid storage tank and the elastic air bag, and a plurality of intercepting tubes are symmetrically installed on the foundation. mechanism. The invention can automatically detect and intercept overweight vehicles, and at the same time, it can be automatically reset after the detection is completed, and the vehicle can be continuously detected after repeated use without affecting the passing of normal vehicles, and the use effect is good.

The invention relates to a composite electrode of a vanadium battery, particularly to a preparation method for a sulfonated graphene / manganese dioxide / poly(3, 4-ethylenedioxythiophene)-polystyrene sulfonic acid three-phase composite electrode used for a multilayered ionic membrane composite electrode vanadium battery. The invention relates to the multilayered ionic membrane composite electrode vanadium battery, wherein the vanadium battery comprises an electrolyte and an ionic membrane arranged in the electrolyte; electrodes are arranged on the two sides of the ionic membrane respectively, and the bottoms of the electrodes are inserted into the electrolyte; the ionic membrane adopts a multilayered material; the electrolyte is a V(III) / V(IV) sulfuric acid solution system mixed electrolyte comprising an additive; and the electrodes are graphene composite electrodes. The multilayered ionic membrane composite electrode vanadium battery provided by the invention has the characteristics of relatively low vanadium ion crystallizing rate, relatively low vanadium ion permeability, long service life, and safety and stability in use.

The invention discloses a calibration system for dissolved oxygen. The structure of the invention is scientific and reasonable. The air component is connected to the pipeline, the air control component is connected to the detection component, the detection component is connected to the drainage component, and the water control component includes a handwheel valve, a first electric valve and a check valve, which are safe and convenient to use. The calibration system connects each electric valve and dissolved oxygen sensor together to form the entire pipeline system, and the controller controls the closing state of each electric valve to realize the on-off of the water circuit and the gas circuit, so that the dissolved oxygen sensor in the water is used to measure the dissolved oxygen in the water. Content detection, and the use of gas circuit to realize the automatic calibration and testing function of the dissolved oxygen sensor can effectively avoid the cumbersome process of dismantling the dissolved oxygen sensor and sending it back to the laboratory in the past.

The invention relates to an escape self-rescue device of an automobile. The escape self-rescue device of the automobile comprises a hollow operation rod. A fixed seat is arranged at the bottom end of the operation rod; the outer rod wall of the operation rod is sleeved with an operation ring; the operation ring and the operation rod are matched in a threaded mode; a sliding rod is arranged in the axial position inside the operation rod and sleeved with a sealing piece; the sealing piece only can slide up and down along the axis of the sliding rod; the sealing piece and the inner rod wall of the operation rod are in airtight connection through a thread, and the operation rod drives the sealing to move when rotating; a catapulting piece is arranged at the bottom end of the operation rod; supporting strands are arranged in the circumferential direction of the operation ring in an arrayed mode and connected with the operation ring in a coupling mode; and an elastic protecting mesh face is arranged between every two adjacent supporting strands. The self-rescue device is novel and unique in structure, a user does not need to wait for the last minute to conduct self-rescue and can effectively strive for the precious rescue time, and meanwhile can be prevented from being cut and hurt by cullet, so that using is safe and convenient.

The invention belongs to the technical field of roadblock equipment, and provides an efficient interception shallow-buried fixed road pile and an interception method, including two connecting plates, a plurality of road pile units and a plurality of tire breaker units, and the two connecting plates are arranged opposite to each other , a plurality of road pile units are sequentially arranged at intervals between two connecting plates, and the road pile unit includes a slideway, a first baffle, a base, a pile body, a first baffle, a guide cylinder, a first return spring and a guide rod, A plurality of tire breaker units are respectively arranged between any two adjacent pile units, and the tire breaker unit includes a second baffle plate, a mounting plate, a plurality of stop nails, a bottom plate, a second return spring, a top plate, a sliding block, third return spring, locking mechanism and unlocking mechanism. The high-efficiency interception shallow-buried fixed road pile provided by the invention has better interception effect.

The invention discloses a metal shell of communication equipment, which comprises a metal base material, more than one slit penetrating through the metal base material, a plastic supporting layer formed on the inner surface of the metal base material, and a The decorative layer on the outer surface of the metal substrate is characterized in that the width of the slit on the outer surface of the metal substrate is 15-500 μm, and the width of the slit on the inner surface of the metal substrate is The width is 20-600 μm, and the ratio of the width of the slit on the inner surface of the metal substrate to the width of the slit on the outer surface of the metal substrate is 1.05-1.5:1. According to the present invention, it is possible to provide a metal casing of a communication device with a smaller slit taper, which is more conducive to the passage of electromagnetic signals, and has an integrated effect in appearance.

The invention discloses a contact for a high-voltage equipment high-current switch. The contact includes a conductive contact and a base, the three sides of the conductive contact enclose and clamp the base, the conductive contact is fixed to the base via a fixing device, the conductive contact is formed by the laminated bending of a plurality of conductive strips, the front part and the tail parts at the two sides of the conductive contact are in a multi-conductive-strip hot-melting integrated structure, and the middle parts of the two sides of the conductive contact are in a multi-conductive-strip separated structure. The middle parts of the two sides of the conductive contact are in a multi-conductive-strip separated structure, the structure can maintain the characteristics of sheets to take the effect of flexible connection, so that the flexible adjustment and conductivity of the conductive contact can be guaranteed, due to the multi-sheet combination, the passage of high current cannot be influenced, the surface area is increased, and the heat dissipation is improved. The whole structure is simple and the stability is good, the contact is applied to an isolation switch to effectively reduce the temperature rising in the operation of the high-current isolation switch, so that the safety and reliability in the operation of the isolation switch can be improved.

The invention relates to a scraper conveyor, in particular relating to a scraper state detection device of a scraper conveyor. According to the invention, the problems in the prior art that the passing of coals can be influenced the sensor has high possibility of being damaged by the coal flow. The scraper state detection device is a magnetic conductive device mounted in the chute of the scraper conveyor, wherein the chute consists of a left chute edge, a right chute edge and an intermediate chute plate. The magnetic conductive device comprises NdFeB permanent magnets, a magnetic conductive material and a Hall element, wherein two NdFeB permanent magnets are respectively mounted on the planes of the left chute edge and the right chute edge, and are connected with a horizontal magnetic conductive material; lateral magnetic conductive materials connected with the magnetic conductive material are respectively arranged on the side surfaces of the left chute edge and the right chute edge; bottom magnetic conductive materials connected with the lateral magnetic conductive material are arranged on both sides of the intermediate chute plate; two Hall elements are respectively mounted on the upper surfaces of the two bottom magnetic conductive materials through screws; a stainless steel plate is arranged on the upper surfaces of the Hall elements to protect the Hall elements; and the two Hall elements are connected with a synchronous identification system. The scraper state detection device is suitable for protecting the scraper conveyor.

The invention provides a platform based on agricultural machinery maintenance, which includes a receiving plate, an outer plate, a side piece, a side plate, an inserting plate and a bottom wheel; the main body is a rectangular plate structure, and the bottom of the mounting hole is provided with threads. Furthermore, the inner bottom of the slot is installed with a rubber inner part by bonding, and the upper part of the main body is fixedly connected with the bottom of the electric cylinder; the stopper is made of rubber, and the top part There are side grooves on both sides, and the inside of the side grooves is embedded with a receiving plate; the turning parts here are used to be installed on both ends of the top part, so that the agricultural machine can be fixed by the turning parts when it needs to be repaired , so that the agricultural machinery can be more stable during maintenance, will not slide, and will not cause safety hazards, and the rear end of the turning part is connected to the inner groove through a connecting shaft, so that when the turning part is in use, Can be turned over by spring support.

The invention discloses a preparation method of a three-phase composite electrode, and relates to the field of an electrode. According to the preparation method, sulfonated graphene, MnO2 and poly(3,4-ethylenedioxythiophene)-polystyrolsulfon acid are used as raw materials, in the prepared three-phase composite electrode, the MnO2 is electroplated on a surface of the sulfonated graphene, and the poly(3,4-ethylenedioxythiophene)-polystyrolsulfon acid is electroplated on a surface of the MnO2. The three-phase composite electrode prepared according to the method of the three-phase composite electrode has the characteristics that the etching phenomenon of a graphite electrode is reduced, the service lifetime of a vanadium battery is prolonged, and the application safety of the vanadium battery is improved.