50results about How to "Stop rushing out" patented technology

The invention discloses a medium-deep hole blasting calculation method. The medium-deep hole blasting calculation method comprises the following steps that S1, explosive unit consumption is calculated; S2, a blast hole diameter is calculated; S3, the hole drilling depth is calculated; S4, the over-drilling depth deltah excess drilling is calculated; S5, the chassis resistance line W bottom is calculated; S6, the hole distance a and the row distance b are calculated; S7, the blockage length is calculated; and S8, the single hole explosive payload Q is calculated. According to the calculation method, theoretical calculation and site situations are combined, rock can be effectively blasted, the construction cost is reduced, and safety is high; and an in-hole subsection interval charging structure is adopted, in-hole and out-hole millisecond delay blasting is carried out, and the blasting rock breaking effect and the blasting vibration harm are well controlled.

The invention discloses an electrical equipment cabinet. A cabinet body is provided with a fan and vent holes, wherein the fan is detachably fixed to the exterior of the cabinet body through a thread fastening structure, and the outlet of the fan and the interior space of the cabinet body are communicated through the vent holes. The thread fastening structure comprises fixing nut fixedly or integrally arranged on the cabinet body, bolt-via holes which are formed in the fan and correspond to internal thread holes of the nuts, and fastening bolts matched with the fixing nuts. Thus, by means of the fan, forced air cooling of electrical elements in the cabinet body is achieved, the speed of convective heat exchange between cold air in the exterior space of the cabinet body and hot air in the interior space of the cabinet body is increased, all the electrical elements in the cabinet body are fully cooled, the problem that local cooling inside the cabinet body is unsmooth is avoided, and therefore the problem that due to the natural air cooling mode adopted in the cabinet body, the electrical elements can not be smoothly cooled in the prior art is solved.

The invention discloses a production method for a UV resistant unstretched polypropylene metalized film. Materials of a corona layer comprise: 92-94% of ternary polypropylene random copolymer, 4.5-5.5% of abherent, 1.5-2.5% of zeolite master batch. Materials of a core layer comprise 100% ternary co-polypropylene. Materials of a heat-seal layer comprise 92.9-93.9% of homo-polypropylene, 3% of abherent, 2.5-3.5% of slipping agent, 0.6% of antistatic agent, and 0.1-0.3% of ultraviolet light absorber. The method comprises the following steps: batching, mixing, plasticizing, forming, casting sheet, measuring thickness, performing corona, rolling up, curing, and aluminizing. Through adding the ultraviolet light absorber UV531, the film can strongly absorb ultraviolet rays in wavelength of 270-330 nm. The corona layer uses the abherent in specific proportion, so an aluminum coated layer is not easy to fall off. The corona layer is added with natural zeolite powders. Since the zeolite powders have strong adsorbability, the aluminum coated layer can maintain relatively high surface tension. The core layer is not added with a thermal synthesis additive, so that the core layer would not generate any precipitate in a reaction process, thereby ensuring adhesion effect of aluminizing.

The invention discloses a production method for a high-adhesion high-surface-tension CPP aluminum-plating film. The high-adhesion high-surface-tension CPP aluminum-plating film comprises a corona layer comprising 92-94% of ternary polypropylene randon copolymer, 4.5-5.5% of an anti-sticking agent and 1.5-2.5% of zeolite master batch, a core layer comprising 100% of ternary co-polypropylene, a heat-seal layer comprising 92.9-93.9% of homo-polypropylene, 3% of an anti-sticking agent, 2.5-3.5% of a slipping agent and 0.6% of an antistatic agent. The production method comprises the following steps: preparing materials, mixing, plastifying, molding, performing sheet casting, measuring thickness, performing corona, rolling, curing and plating aluminum. According to the production method disclosed by the invention, the corona layer selects polypropylene randon copolymer as a main material which is matched with the anti-sticking agent in specific proportion, and the core layer only adopts the ternary polypropylene randon copolymer as the raw material, so that an aluminum plating layer cannot drop easily; a certain amount of natural zeolite powder is added into the corona layer, so that parts of low-molecule polymers are prevented from rushing out of a surface layer, the aluminum-plating layer can be kept in relatively high in surface tension; meanwhile, no precipitate is separated out of the core layer in a reaction process, so that the wetting tension of the lower surface is further guaranteed, and further the adhesion effect of aluminum plating is guaranteed.

The invention discloses an electric cabinet. The cabinet body is provided with a fan detachably fixed outside the cabinet through a threaded fastening structure and a ventilation hole connecting the air outlet of the fan and the space in the cabinet. The threaded fastening structure includes fixing nuts, fan The bolt through holes corresponding to the internal thread holes of the nuts and the fastening bolts matched with the fixed nuts are opened on the top, so that the forced air cooling of the electrical components in the cabinet can be realized through the fan, and the convection exchange of hot and cold air in the internal and external spaces of the cabinet can be accelerated. The speed of heat also enables the various electrical components in the cabinet to be fully dissipated, avoiding the problem of poor local heat dissipation in the cabinet, thus solving the electrical problems caused by the natural air cooling of the cabinet in the prior art. The problem of poor heat dissipation of components.

The invention relates to an asymmetric mixed electrode type porous current collection disc type double-membrane safety valve type winding type storage battery. The winding type storage battery comprises a battery shell and a battery cell. The winding type storage battery is characterized in that the battery cell is a cylindrical body formed by a positive plate, a negative plate and a diaphragm through the winding of a battery core reel, the diaphragm is located between the positive plate and the negative plate, and a positive current collection disc and a negative current collection disc are respectively arranged on the tops of two ends of the battery core; a lug, namely a positive continuous lug, having the same length with the positive plate is arranged on the top end of one side, close to the positive current collection disc, of the positive plate; and the negative plate is a mixed electrode adopting a lead plate as a base plate, and metal oxide coating layers are distributed on the lead plate in a point manner. The winding type storage battery has the beneficial effects that by utilizing a special end surface current collection structure and the mixed electrode, the current conduction capacity is effectively improved, and meanwhile, the battery has high-rate charging and discharging properties of a super-capacitor; and the battery can be well protected by a double-membrane safety valve, so that the use performance of the storage battery is improved.

A winding battery with continuous tabs, meshed pole plates, a membrane safety valve and porous current collection discs comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in the current collection disc, and the continuous tabs of the pole plates are clamped in the pole plate clamping grooves along the pole plate clamping grooves and are fixed by a welding method. The winding battery has the beneficial effects that by a special end-surface current collection structure, the current collection areas of the battery pole plates are expanded, and the mechanical strength and the anti-vibration performance of electrodes are substantially improved; the battery can be protected very well by the dual-membrane safety valve; and the high-strength fiber meshed pole plates are high in strength and good in conductivity, so that the performance of the battery is further improved.

The invention discloses a diaphragm safety valve cellular zinc air battery which comprises a battery reaction tank, an air electrode outgoing line and a zinc electrode outgoing line, and is characterized in that the battery reaction tank is formed by performing permutation and combination on tubular reaction tank cells, wherein an upper liquid collection tank and a lower liquid collection tank which are mutually communicated with the tubular reaction tank cells are respectively arranged at the upper and lower ends of the tubular reaction tank cells; a liquid storage tank is arranged at the lower end of the lower liquid collection tank; a drain pipe is arranged at the tank bottom of the lower liquid collection tank; an electrically controlled drain valve is arranged at the orifice of the drain pipe; an electrolytic reflux pump liquid inlet is formed in one side of the bottom end of the liquid storage tank; a reflux pump liquid outlet is formed in one side of the upper liquid collection tank; a zinc electrode assembly and a battery cover plate are made into a whole; and a double-diaphragm safety valve is arranged on the battery cover plate. According to the zinc air battery disclosed by the invention, due to the unique air electrode and zinc electrode structure, the battery capacity is high, the zinc electrode is conveniently and rapidly replaced, the battery can be rapidly turned on or off, and the battery is safe to use, so that the zinc air battery can meet the requirement on vehicle power.

The invention discloses an asymmetric hybrid mesh electrode porous collector plate double-diaphragm safety valve coiled battery which comprises a battery shell and a battery cell, and is characterized in that the battery cell is coiled into a cylinder through a positive plate, a negative plate and a diaphragm positioned between the positive plate and the negative plate through a battery cell winding shaft; a positive collector plate and a negative collector plate are respectively arranged on the tops of two ends of the battery cell; a tab with equal length to the positive plate, namely a positive continuous tab, is arranged on the top end, which is close to one side of the positive collector plate, of the positive plate; the negative plate is a hybrid mesh electrode; a high-strength conductive fiber mesh serves as a bottom plate; and coatings of ruthenium oxide and other metallic oxides in point shape distribution and negative active substances are arranged on the bottom plate. The battery disclosed by the invention has the beneficial effects that due to the unique end-face collector structure and the hybrid mesh electrode, the current conduction ability is effectively improved, and the battery has super-capacitance high-rate charge and discharge characteristics; and moreover, the double-diaphragm safety valve is further safe, so that the performance of the battery is improved.

The invention provides a wound battery with asymmetric composite mesh electrodes, perforated collector plates and double-membrane safety valves. The wound battery comprises a battery case and a battery core; the storage battery is characterized in that the battery core is a cylindrical body formed by winding a positive plate, a negative plate and a membrane located between the positive plate and the negative plate through a battery core reel; a positive collector plate and a negative collector plate are arranged at the tops of two ends of the battery core separately; a tab, namely a positive continuous tab, which is equal to the positive plate in length is arranged at the top end of one side, close to the positive collector plate, of the positive plate; and a spiral groove body, namely a positive plate clamping groove is arranged in the corresponding collector plate. The wound battery has the beneficial effects that the current conducting capability is effectively improved through unique end-surface collector structures and high-strength fiber mesh composite electrode plates, and meanwhile, the battery has high-rate charging and discharging characteristics of a super-capacitor; and the double-membrane safety valves are safer, so that the performance of the storage battery is further improved.

A winding battery with asymmetric hybrid meshed pole plates, same-direction electrodes and dual-membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove is formed in the current collection disc, a negative terminal is led to a positive terminal direction of the battery by an electrode terminal protection sleeve, the electrode terminal protection sleeve is arranged on a side surface of the battery shell, the negative pole plate is the hybrid meshed electrode, a high-strength conductive fiber mesh is used as a bottom plate, and metal oxide coating layers such as ruthenium oxide, which are arranged in a dot way, and a negative active substance are arranged on the bottom plate. The winding has the advantages that by a special end-surface current collection structure and the hybrid meshed electrodes, the current conduction capability is effectively improved; and meanwhile, the battery has characteristic of a supercapacitor, the dual-membrane safety valve is safer, and the performance of the battery is better.

The invention provides a spirally wound battery with continuous tabs, asymmetric electrode sheets, same-side electrodes and a capsule safety valve. The spirally wound battery comprises a battery case and a cell, wherein the cell is wound into cylindrical body by winding a positive electrode sheet, a negative electrode sheet, and a capsule between the positive electrode sheet and the negative electrode sheet around a cell reel; a positive collector disc and a negative collector disc are arranged on both ends of the cell separately; a tab, i.e., a positive electrode continuous tab, with the same length as that of the positive electrode sheet is arranged on a top end of the positive electrode sheet at a side closer to the positive current collector disc; a spiral slot, i.e., a positive electrode sheet slot is arranged on the current collector disc; a negative terminal is led to a direction of the positive terminal of the battery through an electrode terminal protective cover arranged on a side of the battery case; and the negative electrode sheet is a composite electrode provided with a strip-shaped metal oxide coating thereon. The battery provided by the invention has strong current conducting ability, super capacitor high rate charging and discharging ability, and the safety of the battery is improved due to the adoption of a double membrane safety valve.

The invention discloses a continuous tab double-diaphragm safety valve wound lead-acid battery which comprises a battery shell and a battery cell, and is characterized in that the battery cell is wound into a cylinder by a positive plate, a negative plate and a diaphragm positioned between the positive plate and the negative plate through a battery cell winding shaft, wherein a positive collector plate and a negative collector plate are respectively arranged on the top of two ends of the battery cell; a tab with equal length to that of the positive plate, namely a positive continuous tab, is arranged on the top of the positive plate close to one side of the positive collector plate; a spiral groove, namely a positive plate clamping groove, is formed in the collector plate; a continuous tab of the pole piece is clamped in a plate clamping groove along the plate clamping groove and fixed through a welding method. The battery disclosed by the invention has the beneficial effects that due to the unique end-face collector structure, the collector area of the battery plate is enlarged, and the mechanical strength and anti-shake performance of the electrode are greatly improved; and due to the double-diaphragm safety valve, the battery can be well protected, so that the safety of the battery is improved, and the cycle life of the battery is prolonged.

The invention relates to a continuous tab / dual-membrane safety valve / perforated collector disk coiled lead-acid storage battery. The lead-acid storage battery comprises a battery shell and a battery cell. The lead-acid storage battery is characterized in that the battery cell is a columnar body formed by coiling a positive pole piece, a negative pole piece and a diaphragm positioned between the positive pole piece and the negative pole piece through a battery cell roll, and the tops of the two ends of the battery cell are respectively provided with a positive pole collector disk and a negative pole collector disk; and the top end of one side of the positive pole piece close to the positive pole collector disk is provided with a tab (namely positive pole continuous tab) having the same length as the positive pole piece, the collector disk is provided with a helical groove body (namely positive pole piece clamping groove), and the continuous tab of the pole piece is clamped in the pole piece clamping groove and is fixed through a welding method. The lead-acid storage battery has the following advantages: through the unique end surface collector structure, the collection area of the battery pole pieces is increased, and the mechanical strength and anti-shake performance of the poles are greatly improved; and a dual-membrane safety valve can better protect the battery, thereby improving the safety and cycle life of the battery.

A winding type lead-acid storage battery with continuous tabs and a membrane safety valve comprises a battery shell, a battery cell and the safety valve and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in the current collection disc, and the continuous tabs of the pole plates are clamped in the pole plate clamping grooves along the pole plate clamping grooves and are fixed by a welding method. The winding type lead-acid storage battery has the beneficial effects that by a special end-surface current collection structure, the current collection areas of the battery pole plates are expanded, and the mechanical strength and the anti-vibration performance of electrodes are substantially improved; and the battery can be protected very well by the dual-membrane safety valve, so that the safety of the battery is improved, and the cycle lifetime of the battery is prolonged.

The invention relates to an asymmetric composite mesh plate same-direction electrode type double-membrane safety valve type winding battery. The winding battery comprises a battery shell and a battery cell. The winding type storage battery is characterized in that the battery cell is a cylindrical body formed by a positive plate, a negative plate and a diaphragm through the winding of a battery core reel, the diaphragm is located between the positive plate and the negative plate, and a positive current collection disc and a negative current collection disc are respectively arranged on the tops of two ends of the battery core; a lug having the same length with the positive plate is arranged on the top end of one side, close to the positive current collection disc, of the positive plate, and a spiral groove is formed in the positive current collection disc; a negative terminal is guided to the direction of a positive end of the battery through an electrode terminal protecting sleeve arranged on the side surface of the battery shell; and the negative plate is a composite mesh electrode, and metal oxide coating layers are distributed on a base plate in a strip manner. The winding battery has the beneficial effects that by utilizing a special end surface current collection structure and a high-strength fiber mesh composite plate, the strength is high, the conductivity is good, the current conduction capacity is effectively improved, and meanwhile, the battery has high-rate charging and discharging properties of a super-capacitor; and a double-membrane safety valve is relatively safe, and the battery performance is relatively good.

A wound battery with continuous lugs, an asymmetric composite electrode and a bag membrane safety valve comprises a battery shell and a cell, and is characterized in that the cell is wound into a columnar body by means of a positive pole piece, a negative pole piece and a membrane between the positive pole piece and the negative pole piece through a cell winding shaft; a positive pole current collection plate and a negative pole current collection plate are arranged at the tops of the two ends of the cell respectively; the lug with the same length as the positive pole piece is arranged at the top of the side, close to the positive pole current flow plate, of the positive pole piece and serves as the positive pole continuous lug; the positive pole current collection plate is provided with a spiral groove which is a positive pole piece clamping groove; the negative pole piece is the composite electrode, a lead plate serves as a bottom plate of the composite electrode, and metal oxide coatings distributed in strip shapes are arranged on the lead plate. The wound battery has the advantages that by means of the special end face current collection structure and the composite electrode, the current conduction capacity is effectively improved, so that the battery has high-rate charge and discharge characteristics of supercapacitors, the dual-membrane safety valve can better protect the battery and improve the use properties of the battery.

The invention discloses a construction method for a vehicle anti-collision structure on an expressway, which is characterized in that it comprises the following steps: step a, setting foundation piles equidistantly along the extension direction of the expressway, and driving the lower ends of the foundation piles into the road surface by a pile driver In the prefabricated hole; step b, the upper parts of all the foundation piles are connected by the upper horizontal guardrail belt, and the upper horizontal guardrail belt is formed by successively connecting the upper horizontal guardrails of several sections, and the middle parts of all the foundation piles are connected by the middle horizontal guardrail. The guardrail belts are connected, and the lower parts of all foundation piles are connected through the lower horizontal guardrail belts; step c, the upper, middle and lower horizontal guardrail belts are connected by a steel wire rope, and the steel wire ropes pass through the upper, middle and lower horizontal guardrail belts in turn Corresponding wire rope holes. In this construction method, the middle and lower horizontal guardrails are added on the basis of the upper horizontal guardrails. These three horizontal guardrails are connected by wire ropes, which are similar to tying multiple chopsticks together with ropes, organically connecting them into an indivisible overall.

Disclosed is a winding battery equipped with a continuous tab asymmetrical net-shaped electrode plate homodromous electrode capsule-film safety valve. The winding battery comprises a battery shell and a cell; the winding battery is characterized in that the cell comprises a positive electrode plate, a negative electrode plate and a diaphragm, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body is formed in the current collecting tray; a negative electrode terminal is lead to a positive electrode end direction of the battery through an electrode terminal protection sleeve on the side surface of the battery shell; the negative electrode plate is a composite net-shaped electrode which takes a high-strength conductive fiber net as a bottom plate; and a metal oxide coating layer in strip-shaped distribution, such as ruthenium oxide and the like, and a negative active material, are arranged on the bottom plate. By virtue of the unique end plane current collecting structure and the composite net-shaped electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and the dual-film safety valve is safer, so that the performance of the battery is better.

A cylindrical liquid flow circulation honeycomb zinc-air battery, including a battery reaction tank, air electrode lead-out wires, and zinc electrode lead-out wires. The battery reaction tank is formed by arranging and combining tubular reaction tank monomers. The ends are respectively provided with cylindrical upper and lower sumps connected with the tubular reaction tank monomer, the center of the tube body of the tubular reaction tank monomer is provided with a columnar zinc electrode unit, and the bottom of the lower sump is Inverted conical shape, a conical conical filter is set at the bottom of the filter tank, the electrolyte is pumped into the upper liquid collection tank through the reflux pump and the reflux pump return pipe, and a double-membrane structure is installed on the cover of the reaction tank. valve. The present invention has a large amount of zinc loaded at one time, can realize energy supply like an ordinary internal combustion engine, the battery can be quickly opened and closed, and the safety valve has double gradient protection. The above-mentioned characteristics enable the zinc-air battery to meet the requirements of the vehicle power supply, and it is safer to use.

A symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery comprises a battery shell and a battery cell. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, the electrode lug is a positive continuous electrode lug, and a spiral slot, namely, a positive plate clamping slot is formed in the positive current collector; the positive plate and the negative plate are hybrid mesh electrodes which are provided with metal oxide coatings such as ruthenium oxide distributed in a dotted mode. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery has the advantages that the battery has the high current conducting capacity, super-capacitor high-rate charging and discharging capacities and the characteristic that a double membrane safety valve makes the battery safer.

Disclosed is a winding type storage battery equipped with a continuous tab symmetrical mixed electrode capsule-film safety valve. The winding type storage battery comprises a battery shell and a cell; the winding type storage battery is characterized in that cell comprises a positive electrode plate, a negative electrode plate and a diaphragm positioned between the positive electrode plate and the negative electrode plate, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, and namely, a positive electrode continuous tab, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body, namely a positive electrode plate clamping groove, is formed in the current collecting tray; the positive electrode plate and the negative electrode plate are mixed electrodes, and are configured to take lead plates as bottom plates; and metal oxide coating layers in dotted distribution are arranged on the lead plates. The winding type storage battery has the beneficial effects as follows: by virtue of the unique end plane current collecting structure and the mixed electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and by virtue of the dual-film safety valve, the battery can be better protected and the character of service of the battery is improved.

Disclosed is a winding battery equipped with a continuous tab asymmetrical mixed net-shaped electrode dual-film safety valve. The winding battery comprises a battery shell and a cell; the winding battery is characterized in that cell comprises a positive electrode plate, a negative electrode plate and a diaphragm positioned between the positive electrode plate and the negative electrode plate, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, and namely, a positive electrode continuous tab, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body, namely a positive electrode plate clamping groove, is formed in the current collecting tray; the negative electrode plate is a mixed net-shaped electrode and takes a high-strength conducive fiber net as a bottom plate; and a metal oxide coating layer in dotted distribution, such as ruthenium oxide and the like, and a negative electrode active material are arranged on the bottom plate. The winding battery has the beneficial effects as follows: by virtue of the unique end plane current collecting structure and the mixed net-shaped electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and the dual-film safety valve is safer, so that the performance of the battery is improved.

A symmetric composite electrode porose current collector double membrane safety valve coiled storage battery comprises a battery shell and a battery cell. The symmetric composite electrode porose current collector double membrane safety valve coiled storage battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, the electrode lug is a positive continuous electrode lug, the positive plate and the negative plate are composite electrodes, and the construction of the positive plate and the negative plate is that a lead plate serves as a bottom plate which is provided with metal oxide coatings distributed in a striped mode. The symmetric composite electrode porose current collector double membrane safety valve coiled storage battery has the advantages that the current conducting capacity is effectively improved through the unique end surface current collection structure and the composite electrodes; meanwhile, the battery has super-capacitor high-rate charging and discharging characteristics, a double membrane safety valve can better protect the battery, and the battery user performance is improved.

Disclosed is a winding type storage battery equipped with an asymmetrical mixed electrode plate homodromous electrode dual-film safety valve. The winding type storage battery comprises a battery shell and a cell; the winding type storage battery is characterized in that cell comprises a positive electrode plate, a negative electrode plate and a diaphragm positioned between the positive electrode plate and the negative electrode plate, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, and namely, a positive electrode continuous tab, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body, namely a positive electrode plate clamping groove, is formed in the current collecting tray; a negative electrode terminal is lead to a positive electrode end direction of the battery through an electrode terminal protection sleeve on the side surface of the battery shell; and the negative electrode plate is a mixed electrode, and a metal oxide coating layer in dotted distribution is arranged on the negative electrode plate. The winding type storage battery has the beneficial effects of relatively high current conduction capability, super-capacitor high-rate charging and discharging capability, and safer characteristic due to the dual-film safety valve.

The invention discloses an anti-collision structure for highway vehicles. The lower parts of all foundation piles are connected by a lower horizontal guardrail belt. The lower horizontal guardrail belt is formed by sequentially connecting several sections of lower horizontal guardrails. The joints are fastened by bolts; the upper horizontal guardrail is equidistant along the length direction with upper wire rope holes, the middle horizontal guardrail is equidistant along the length direction with middle wire rope holes, and the lower horizontal guardrail is equidistant along the length direction. The lower steel wire rope holes are equidistant; the upper, middle and lower horizontal guardrails are connected by a steel wire rope, and the steel wire ropes pass through the corresponding steel wire rope holes on the upper, middle and lower horizontal guardrail belts in turn, so that the steel wire ropes form a serpentine structure . In this case, the middle and lower horizontal guardrails are added on the basis of the upper horizontal guardrails. These three horizontal guardrails are connected by steel wire ropes, similar to tying multiple chopsticks together with ropes, organically connecting them into an inseparable whole.

A winding type storage battery with asymmetric hybrid pole plates, same-direction electrodes and a dual-membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in the current collection disc, a negative terminal is led to a positive terminal direction of the battery by an electrode terminal protection sleeve, the electrode terminal protection sleeve is arranged on a side surface of the battery shell, the negative pole plate is the hybrid electrode, metal oxide coating layers which are arranged in a dot way are arranged on the hybrid electrode, and the substances of the coating layers are ruthenium oxide and the like. The winding type storage battery has the beneficial effects that the battery has relatively high current conduction capability and high-rate charge and discharge capability of a supercapacitor, and the battery is safer due to the dual-membrane safety valve.

The invention relates to a continuous tab / netlike pole piece / dual-membrane safety valve coiled battery. The battery comprises a battery shell, a battery cell and a safety valve. The battery is characterized in that the battery cell is a columnar body formed by coiling a positive pole piece, a negative pole piece and a diaphragm positioned between the positive pole piece and the negative pole piece through a battery cell roll, and the tops of the two ends of the battery cell are respectively provided with a positive pole collector disk and a negative pole collector disk; and the top end of one side of the positive pole piece close to the positive pole collector disk is provided with a tab (namely positive pole continuous tab) having the same length as the positive pole piece, the collector disk is provided with a helical groove body (namely positive pole piece clamping groove), and the continuous tab of the pole piece is clamped in the pole piece clamping groove and is fixed through a welding method. The battery has the following advantages: through the unique end surface collector structure, the collection area of the battery pole pieces is increased, and the mechanical strength and anti-shake performance of the poles are greatly improved; the dual-membrane safety valve can better protect the battery; and the high-strength fiber netlike pole pieces are high in strength and favorable in electric conductivity, thereby further improving the performance of the storage battery.

The invention discloses a blasting method for reducing large rock blocks in a strip mine. The blasting method comprises the following steps of blasting parameter selection, explosive hole forming, explosive filling, water bag filling and blasting. According to the blasting method for reducing the large rock blocks in the strip mine, through reasonable blasting parameter selection, the rock crushing effect is effectively improved, crushing is more sufficient and uniform, explosion gas products can be prevented from rushing out of the hole too early, the flying distance of flying rocks is reduced, safety is improved, the situation that explosives are excessively concentrated at the bottom of the explosive hole is avoided through sectional type charging, therefore, ore rocks at the bottom of the deep hole, in the middle of the step and on the upper portion of the step are blasted to the same degree, the large rock blocks formed due to uneven blasting are reduced, shoveling and transporting are facilitated, the efficiency of open-pit mining is improved, the problem that secondary blasting is needed is solved, the explosive hole is filled with the water bag, the inert rock powder is removed in the explosive hole, and the explosive hole is blocked by the humid loess, so that dust generated by blasting is effectively reduced, the ecological environment is protected, and the method is worthy of popularization.