33results about How to "Strong earthquake resistance" patented technology

The invention relates to an electric power building or construction technology, in particular relates to a cable well with acid-alkali resistance and durability. The cable well comprises a box-shaped well body, wherein the well body comprises an internal metal frame and a shell, wherein the shell is arranged at the outer part of the metal frame, is made of plastics and is provided with a cable inlet, a cable outlet and a manhole or a hand hole; reinforcing ribs are uniformly arranged on the inner surface and / or the outer surface of the shell in a staggered manner; and due to adoption of the structure with the internal metal frame and the external plastic shell, the metal frame supports the shell, and simultaneously, the reinforcing ribs distributed on the surface of the shell in a staggered manner further guarantees the structural strength of the shell. The cable well has the advantages that the structural strength is reliable; and simultaneously, the plastic shell and the reinforcing ribs on the shell enable the shell to have certain flexibility, and the vibration and the pressure can be absorbed and buffered. The cable well has the characteristics of high water discharging efficiency, acid-alkali-salt corrosion resistance, suitability for use under various geological conditions, strong earthquake resistance and long service life, and obtains great economic and social benefits.

The invention relates to a drainage facility, and specially aims to provide a large plastic inspection well with reliable performance. The large plastic inspection well comprises an integral body, wherein the integral body is formed in an injection molding way, the integral body comprises an inspection port and a pipe connecting port, the inspection port is used for overhauling, the pipe connecting port is connected with a pipe, cavities of the body between the inspection port and the pipe connecting port are communicated, the outer wall of the integral body is integrally processed with reinforcing ribs in the injection molding way, the reinforcing ribs comprise vertical ribs and staggering ribs, the vertical ribs are arranged on the middle part and upper part of the integral body, the staggering ribs are staggered on the lower part and bottom of the integral body, and the surface of each vertical rib is smooth. Compared with the reinforced concrete inspection well or the brick inspection well, the large plastic inspection well has the advantages that the capability of resisting acid corrosion, alkaline corrosion and salt corrosion is realized, the large plastic inspection well is suitable for multiple geological conditions, the earthquake proofing performance is high, and the service life is long; the large plastic inspection well can be assembled on site or the finished large plastic inspection well can be directly hoisted, so the construction period is greatly shortened, the construction cost is reduced, the price-performance ratio is high, and the economy is high; the durability of the large plastic inspection well is high; and the problem of difficult popularization and application of the large plastic inspection well in practices is solved.

The invention discloses integral type T-shaped outer cantilever roads and a construction method thereof. The integral type T-shaped outer cantilever road comprises a vertical face concrete retaining wall and a concrete roadway slab integrated with the vertical face concrete retaining wall by pouring to form a road of which the cross section is in a T shape, wherein the vertical face concrete retaining wall is used as a boundary, an outer cantilever structure is formed on the outer side of the concrete roadway slab, an inner side roadbed positioned on a side slope is formed on the inner side of the concrete roadway slab which is anchored to the side slope through an inner longitudinal beam. In the integral type T-shaped outer cantilever roads, a cantilever roadway slab is used to complement parts where the roads are not wide through the outside; one side of a steel bar concrete roadway slab close to mountains is thickened partially to form the inner longitudinal beam which is anchored to the side slope to ensure the overturning stability resistance of an integral type T-shaped road structure; and simultaneously, the road structure has high capability of resisting earthquake action, and is suitable for earthquake-prone areas and the repair of original roads destroyed by earthquake. The integral type T-shaped outer cantilever roads avoid deep excavation, high filling, riverway occupation, scouring and erosion and reduce potential safety hazards during construction. In addition, the integral type T-shaped outer cantilever roads reduce the operating range of the construction along the height of hillsides obviously and have good comprehensive technology and economic and social benefits.

The invention discloses a pillar type capacitor voltage transformer, comprising a capacitive voltage divider and an electromagnetic unit. The pillar type capacitor voltage transformer is characterized in that the upper part of the capacitive voltage divider is connected with a grading ring through a line terminal, the bottom of the capacitive voltage divider is fixedly connected with a support base which is connected with the electromagnetic unit, the capacitive voltage divider is formed by capacitor units with a tower structure, the capacitor units are connected with one another in series and overlapped, and a porcelain sleeve with a tower structure is arranged outside the capacitor units and shares one shell with a support pillar. The pillar type capacitor voltage transformer has the advantages of high mechanical strength (namely high bending resistance), earthquake resistance, small floor area, low cost and convenience in installation and wiring.

The invention relates to the field of manufacturing of high-performance durable artificial plate products without using an antiseptic or a fungicide and the field of manufacturing of artificial plate products, in particular to a durable wood-bamboo cellulose composite material. The durable wood-bamboo cellulose composite material is formed by applying high alkalinity modified phenolic resin glue and an assistant by a wood-bamboo fiber or plant fiber, and then hot-pressing. The durable wood-bamboo cellulose composite material, provided by the invention, has the advantages of low carbon, green and environmental friendliness, constructed outdoor and indoor landscape engineering, decoration engineering and buildings have the advantages that the wood texture is natural, kind, thermally-insulated, strong in shock resistance and the like, the service life is long, and the emission of greenhouse gas is greatly reduced, so that a comprehensive effect of energy saving and consumption reduction can be realized.

The invention relates to a converging and supporting structure of a dry electric reactor. The converging and supporting structure comprises busbars and a supporting frame. Each busbar comprises a vertical plate and connecting plates. The vertical plates are mounted at the bottom of an electric reactor body, every two connecting plates are symmetrically arranged at the two sides of the corresponding vertical plate, the busbars with the same structure are arranged on the upper portion and the lower portion of a dry electric reactor coil along the circumference of the coil in an arrayed mode, the connecting plates of the adjacent busbars are electrically connected in sequence, and a non-electric connecting position is reserved in the circumferential direction. A notch is formed in the upper portion of the supporting structure, the busbars mounted on the lower portion of the coil are mounted in the notch of the supporting structure, and the supporting structure corresponds to the busbars along the circumference array of the coil. Due to the fact that an outer converging structure is adopted, the limit of the dry electric reactor to temperature rise can be met well, the running safety of the dry electric reactor is guaranteed, the failure rate of the dry electric reactor is lowered, the earthquake-resistant capacity is high, and local overheating is avoided.

The invention provides a connecting structure of a prefabricated column and a superposed beam. The connecting structure comprises the prefabricated column and the superposed beam, wherein the superposed beam comprises a prefabricated part and a cast-in-place part; the end head of the superposed beam is connected with the side surface of the prefabricated column, the upper end surface of the prefabricated column is higher than a stirrup at the top side of the prefabricated part, a lower longitudinal rib in the cast-in-place part is connected with the prefabricated column through a longitudinalsteel bar connecting assembly, and an upper longitudinal rib in the cast-in-place part is connected with the prefabricated column. The invention further provides a construction method of the connecting structure, which comprises the following steps that S1, the prefabricated column is hoisted and positioned; S2, one side of the longitudinal steel bar connecting assembly is connected with the prefabricated column, and a vertical support is arranged; S3, the superposed beam prefabricated part is hoisted and positioned; S4, the longitudinal steel bar connecting assembly is connected with the superposed beam prefabricated part, and a formwork at the joint of the prefabricated part and the prefabricated column is built; and S5, concrete is poured into the cast-in-place part. The connecting structure has the advantages that the tolerance capability is better, steel bar force transmission path at the top and bottom is complete, and connecting parts can be replaced after the earthquake occurs.

The invention discloses an intelligent wearable device. The intelligent wearable device comprises a bracket, an antenna and an antenna feed point, and the antenna is at least partially disposed between the inner surface of the bracket and the feed point. The antenna of the intelligent wearable device is at least partially disposed between the bracket and the feed point, and the antenna is fixed with the bracket and the feed point, so that the antenna is more stable and high in shock resistance.

The invention relates to the technical field of constructional engineering, and discloses an external plug type assembly type station connecting device. An assembly type station comprises a pluralityof first components and second components and a connecting pipe main body. The connecting pipe main body comprises a first connecting end and a second connecting end. The first connecting end is connected with the first components through threads. The second connecting end is provided with connecting openings matched with the second components. The second components are provided with protruding parts. Cover plates are arranged at the bottoms of the protruding parts. The protruding parts are inserted into the connecting openings. The cover plates are arranged at the ends of the connecting openings. The connecting pipe main body is sequentially provided with a filling opening and an exhaust port. By the adoption of the technical scheme, the external plug type assembly type station connectingdevice is convenient to construct and install and high in strength and shock resistance.

The invention discloses an elastic screen mesh lunar vehicle wheel comprising a wheel hub (10), a wheel rim (20), a wheel rack (30), a tire core (40) and a mesh grid screen external tire (50). The wheel rim (20) is arranged outside the wheel hub (10); the wheel rack (30) is arranged outside the wheel rim (20); the tire core (40) is disposed in the wheel rack (30); and the mesh grid screen external tire (50) is fixed on the external edge of the wheel rim (20) and covers the wheel rack (30). The elastic mesh lunar vehicle wheel is simply structured with light weight, great damping and heat radiating effect, and can be conveniently exchanged.

The invention discloses an acid, alkali and salt corrosion-resistant and high-low-temperature-resistant cable well, and relates to an electric power construction or construction technology, in particular to an acid and alkali-resistant durable cable well. The cable well comprises a box-shaped well body, wherein the well body comprises an internal metal framework and a shell arranged outside the metal framework; the shell is made of plastic; the shell is provided with a wire inlet hole, a wire outlet hole and a man hole or a hand hole; reinforcing ribs are uniformly arranged in the shell and / or on the outer surface in a staggered way; a structure with the internal metal framework and the external plastic shell is adopted, the metal framework supports the shell, and meanwhile the reinforcing ribs are arranged on the surface of the shell in a staggered way, so that the structural strength of the shell is further ensured. The cable well is reliable in structural strength; meanwhile, the shell is made of plastic and the reinforcing ribs are arranged on the shell, so that the shell has certain flexibility, and vibration and pressure can be better absorbed and buffered; the cable well has the characteristics of high drainage efficiency, resistance to acid, alkali and salt corrosion, suitability for use under various geological conditions, high earthquake resistance and long service life; great economical and social benefits are achieved.

The invention provides a protection device for a hard disk of a notebook computer. The protection device comprises a shell, the four vertex corners of the shell are provided with pin mounting holes respectively, pressing plates are mounted on the four vertex corners of the shell through pins and can horizontally rotate relative to the pins respectively, and the shell comprises a first side wall, asecond side wall, a third side wall, a fourth side wall and a bottom wall connected with the first side wall, the second side wall, the third side wall and the fourth side wall. The protection devicehas the advantage of being high in anti-seismic capability and impact resistance capability, impact or vibration from exterior can be completely absorbed, especially under the high-speed running state of the hard disk, the hard disk in the notebook computer can be effectively protected, and the service life of the notebook computer is prolonged; meanwhile, the protection device has the advantageof being convenient to assemble, disassemble and operate, the efficiency of maintaining the hard disk is improved, and the disassembly and assembly time costs are reduced.

The invention discloses a polymer-material water conveying system and a manufacturing and mounting method thereof and belongs to the field of drainage facilities. The polymer-material water conveying system comprises a plurality of a single bodies. Each single body is formed through injection molding by thermoplastic plastics. The thermoplastic plastics comprise, by weight, 100 parts of PP plastics, 0.2 part of glass fiber 988A, 0.25 part of light stabilizer UV-9, 0.1 part of ultraviolet light absorber UV531, 0.1 part of nucleating agent NAP-53F and 0.2 part of antioxidant 1010. The polymer-material water conveying system has the advantages that the system is resistant to acid, base and salt, applicable to various geological conditions, high in anti-seismic performance, long in service life, convenient to manage and maintenance-free after being mounted, low in construction cost, high in cost performance and good in economical efficiency.

The invention relates to a whey food processed from cereals harvested at a grain filling later stage at high-quality air, kept fresh at high-quality air and eaten at high-quality air. The outmoded custom that humans eat and store withered food grains is changed, the whey food has great significance but is very simple, as long as crops are harvested during the period from the time that the crops grow to a grain filling stage to the time before plants begin to decline, the harvested rice ears, harvested wheat ears, corn sticks and the like are directly conveyed into a food production line, a fresh tender whole-juice grain-fragrance whey food is processed, then sealed packaging is performed, the whole course is performed under the ultracleaned, disinfected and sterilized condition, and then the products are conveyed into a ground-temperature water molecule atomized modified-atmosphere fresh-keeping storage warehouse only using natural resources; even if the products are stored for 2-3 years, the products are still high-nutrition fresh tender delicious foods when being sold to the market; and if people can have a meal in a house with a high-quality air central air conditioner only using natural resources, the people do not need to worry about getting ill after eating. On rainy days during a brief harvest season, the quality and the processing of the products are not influenced when the cereals are harvested with water. The trouble of living at the mercy of natural condition is avoided, threshing, drying and a processing course of rice and flour plants, which are time-consuming and money-consuming, are omitted, and the time that the crops occupy land is saved by several days to tens of days. The problems that grain reserves are deteriorated to generate loss and high subsidy is needed are completely solved.

The invention discloses a lifting device for an electromagnet suction cup. The lifting device comprises a base; a supporting seat is arranged on the outer surface of the upper end of the base, and a damping spring is arranged on the position, in the base, of the outer surface of the lower end of the supporting seat; a bottom plate is fixedly mounted on the outer surface of the upper end of the supporting seat, a bracket plate is fixedly mounted on the outer surface of the upper end of the bottom plate, a hydraulic pump is fixedly mounted on the outer surface of the rear end of the bottom plate, and a hydraulic valve is fixedly mounted on the outer surface of one side of the bracket plate; a hydraulic cylinder is fixedly mounted on the outer surface of the upper end of the bracket plate, and a hydraulic power arm is arranged on the position, at the upper end in the bracket plate, of the outer surface of the lower end of the hydraulic cylinder; and the electromagnet suction cup is fixedly mounted on the outer surface of the lower end of the hydraulic power arm. According to the lifting device for the electromagnet suction cup, the stability of the lifting device can be higher, the using effect of the lifting device can be improved, using of the lifting device at night can further be facilitated, and practicability is achieved.

The invention discloses integral type T-shaped outer cantilever roads and a construction method thereof. The integral type T-shaped outer cantilever road comprises a vertical face concrete retaining wall and a concrete roadway slab integrated with the vertical face concrete retaining wall by pouring to form a road of which the cross section is in a T shape, wherein the vertical face concrete retaining wall is used as a boundary, an outer cantilever structure is formed on the outer side of the concrete roadway slab, an inner side roadbed positioned on a side slope is formed on the inner side of the concrete roadway slab which is anchored to the side slope through an inner longitudinal beam. In the integral type T-shaped outer cantilever roads, a cantilever roadway slab is used to complement parts where the roads are not wide through the outside; one side of a steel bar concrete roadway slab close to mountains is thickened partially to form the inner longitudinal beam which is anchored to the side slope to ensure the overturning stability resistance of an integral type T-shaped road structure; and simultaneously, the road structure has high capability of resisting earthquake action,and is suitable for earthquake-prone areas and the repair of original roads destroyed by earthquake. The integral type T-shaped outer cantilever roads avoid deep excavation, high filling, riverway occupation, scouring and erosion and reduce potential safety hazards during construction. In addition, the integral type T-shaped outer cantilever roads reduce the operating range of the construction along the height of hillsides obviously and have good comprehensive technology and economic and social benefits.

The invention relates to the technology of electric power construction or construction, in particular to an electric cable well which is acid-resistant, alkali-resistant and durable. The electric cable well comprises a box-shaped well body, wherein the well body comprises a metal frame and a shell; the metal frame is arranged in the well body; the shell is arranged outside the metal frame and is made of plastic; a wire inlet, a wire outlet and a human hole or a hand hole are formed in the shell; reinforcing ribs are uniformly arranged in the shell and / or on the outer surface of the shell in a staggering mode. Due to the fact that the electric cable well is of the structure that the metal frame is arranged in the well body and the shell is arranged outside the metal frame, the metal frame supports the shell, and meanwhile, the reinforcing ribs are arranged on the outer surface of the shell in a staggering mode, so the structural strength of the shell is further guaranteed. The electric cable well with such structure is reliable in structural strength; meanwhile due to the fact that the reinforcing ribs are arranged on the plastic shell and the shell, the shell has certain flexibility, and shock and pressure can be better absorbed and buffered; the electric cable well has the characteristics of high water draining efficiency, acid resistance, alkali resistance, salt corrosion resistance, suitability for multiple geological conditions, high earthquake resistance and long service life; important economic and social benefits are achieved.

The invention provides a connection structure suitable for steel structure module buildings. The connection structure comprises an upper module unit and a lower module unit which are connected with each other, wherein the upper module unit and the lower module unit both comprise corner columns and end columns, steel beams are arranged between the corner columns and the end columns in an erected manner, steel plate shear walls are connected among the corner columns, the end columns and the steel beams, and the corner columns, the end columns and the steel plate shear walls form L-shaped squaresteel tube special-shaped columns. The connection structure is suitable for medium and high rise steel structure module buildings and has strong effect ability to resist earthquake and wind load, thesteel plate shear walls are concentrated to the corner portions of the module units and are welded to the corner columns and the end columns of the module units to form the L-shaped square steel tubespecial-shaped columns, and meanwhile, in combination with full penetration welded connection adopted between the corner columns of the upper module unit and the lower module unit and high-strength bolt connection adopted between the end columns, the rigidity and the bearing capacity of the module units and the whole module buildings are improved.

The invention relates to a durable low-cost septic tank. The septic tank comprises a housing, the housing has a hollow inner cavity, the housing is provided with at least one opening communicated with the inner cavity, the housing is formed through the connection of a plurality of plastic plates, and surfaces of the plastic plates are uniformly provided with interlaced reinforcing ribs. The plastic housing of the invention substitutes bricks or concrete, a manner that the housing is formed through the connection of the plastic plates solves a problem that the injection molding processing of the whole housing is inconvenient, and the reinforcing ribs of the surfaces of the plastic plates solve a problem that the strength of the pure plastic material structure is low. So the plastic septic tank which has a firm structure is suitable for the industrial application, and the natural service life of the plastic septic tank which has good acid and alkali resistances is long after the plastic septic tank is buried underground. A container formed by the housing of the invention can be used as a water storage cellar and the like.

The invention discloses an electric tool shell and an electric tool with the same, and relates to the technical field of electric tools. The electric tool shell comprises a shell body, a mounting partsuitable for arranging and mounting of a battery pack, as well as a wall surface opposite to the battery pack, wherein the mounting part comprises a sliding part and a latch part, and the sliding part and a sliding lock catch corresponding to the battery pack are of an integrated structure; and the mounting part and the shell body are integrally formed, the mounting part is provided with and onlyprovided with a terminal hole suitable for penetrating of an electric connection terminal, the terminal hole penetrates through the wall surface, is in an L shape, and comprises a first part penetrating through the wall surface and a second part penetrating through a step surface adjacent to the wall surface, a part of the electric connection terminal penetrates through the first part corresponding to the electric connection terminal in an extending mode, and the other part of the electric connection terminal is inserted into the second part corresponding to the electric connection terminal in an extending mode and abuts against the second part. The mounting part on the electric tool shell and the shell body are designed in an integrally formed mode, seam-free design of the whole structure is achieved, and through the design of a sealing pad, the better waterproof and dustproof effects can be achieved.

A flash lamp used for photography, which uses a Xe lamp as the artificial light source.There are a storage battery and a boosting circuit in order in its working circuit.The output end of the boosting circuit is connected to the Xe lamp through a high voltage trigger circuit and a converter circuit.The voltage and current of the Xe lamp are processed by a controlling and driving circuit and then feeded back to the boosting circuit and the converter circuit synchronously.

The invention discloses a high-voltage capacitor voltage transformer with a transient high-current overvoltage suppression function. The high-voltage capacitor voltage transformer comprises a gradingring, a capacitive divider, a supporting base and an electromagnetic unit, and further comprises an overvoltage suppression device for transient high-current. The overvoltage suppression device is provided at the top of the capacitive divider and connected with the capacitive divider in series through the grading ring. A channel steel reinforcing rib is provided on the supporting base fixedly connected with the capacitive divider. The electromagnetic unit is of a cylindrical steel structure, and is provided with four to eight mounting holes, and each mounting hole is provided with a reinforcing device around. The high-voltage capacitor voltage transformer has the advantages that the high-voltage capacitor voltage transformer has high mechanical strength, that is, high bending resistance, and high anti-seismic capacity; maintaining convenience; and reduced manufacturing cost; can be operated by a manually operated isolation switch; can reduce the transient high-current flowing through the transformer and the overvoltage amplitude; and can improve the operation reliability of the transformer.

The invention relates to a converging and supporting structure of a dry electric reactor. The converging and supporting structure comprises busbars and a supporting frame. Each busbar comprises a vertical plate and connecting plates. The vertical plates are mounted at the bottom of an electric reactor body, every two connecting plates are symmetrically arranged at the two sides of the corresponding vertical plate, the busbars with the same structure are arranged on the upper portion and the lower portion of a dry electric reactor coil along the circumference of the coil in an arrayed mode, the connecting plates of the adjacent busbars are electrically connected in sequence, and a non-electric connecting position is reserved in the circumferential direction. A notch is formed in the upper portion of the supporting structure, the busbars mounted on the lower portion of the coil are mounted in the notch of the supporting structure, and the supporting structure corresponds to the busbars along the circumference array of the coil. Due to the fact that an outer converging structure is adopted, the limit of the dry electric reactor to temperature rise can be met well, the running safety of the dry electric reactor is guaranteed, the failure rate of the dry electric reactor is lowered, the earthquake-resistant capacity is high, and local overheating is avoided.

The invention relates to an electric power building or construction technology, in particular relates to a cable well with acid-alkali resistance and durability. The cable well comprises a box-shaped well body, wherein the well body comprises an internal metal frame and a shell, wherein the shell is arranged at the outer part of the metal frame, is made of plastics and is provided with a cable inlet, a cable outlet and a manhole or a hand hole; reinforcing ribs are uniformly arranged on the inner surface and / or the outer surface of the shell in a staggered manner; and due to adoption of the structure with the internal metal frame and the external plastic shell, the metal frame supports the shell, and simultaneously, the reinforcing ribs distributed on the surface of the shell in a staggered manner further guarantees the structural strength of the shell. The cable well has the advantages that the structural strength is reliable; and simultaneously, the plastic shell and the reinforcing ribs on the shell enable the shell to have certain flexibility, and the vibration and the pressure can be absorbed and buffered. The cable well has the characteristics of high water discharging efficiency, acid-alkali-salt corrosion resistance, suitability for use under various geological conditions, strong earthquake resistance and long service life, and obtains great economic and social benefits.

The invention discloses a head of a long-head mine vehicle. The two ends of a front turnover assembly are each in an inward-retracting wedge shape; front illuminating lamp assemblies are installed on the wedge faces of the front turnover assembly; a cab is of a structure deflecting leftwards so that a platform is formed on the right side of the cab, and an air filter assembly is installed on the platform on the right side of the cab; front illuminating lamp mounting concave holes made of metal plates are formed in the wedge faces of the front turnover assembly, and the front illuminating lamp assemblies are fixed to the positions, retracting inwards, of the concave holes so as to effectively protect lamps; the two ends of a bumper assembly are each in an inward-retracting wedge shape, the bumper assembly is of a skeleton structure, a metal plate is welded to the outer surface of the bumper assembly, mounting concave holes concaving inwards are formed in the headlamp mounting positions of the bumper assembly, headlamps are fixed to the positions, retracting inwards, of the concave holes so as to effectively protect the headlamps; and the cab is of a frame structure, a frame of the cab adopts a square steel skeleton, and the outer surface of the cab is formed by splicing welding of a floor assembly, a left side wall assembly, a right side wall assembly, a rear wall assembly, a front wall assembly and a vehicle door assembly. The head of the long-head mine vehicle has the advantages that collision resistance is achieved, strength is high, and the large desert air filter can be adopted.

The invention provides an anti-seismic high-voltage capacitor bank for an extra-high voltage direct current transmission project, which comprises a high-voltage tower and a low-voltage tower, the high-voltage tower and the low-voltage tower comprise a plurality of capacitor frame layers, each capacitor frame layer comprises a frame and a plurality of capacitor units, and each frame comprises six load-bearing channel steels and four vertical steel pipes. The frame is of a rectangular frame structure, the load-bearing channel steel forms a main body of the rectangular frame structure, the steel pipes are arranged at four corners of the rectangular frame structure, the capacitor units are installed on the load-bearing channel steel, and the capacitor frame layers are connected through interlayer composite post insulators. And the interlayer composite post insulators are connected with the steel pipes of the upper and lower capacitor frame layers. According to the invention, the problem that a high-voltage capacitor bank in the prior art cannot achieve high tower layer number and high earthquake-resistant horizontal acceleration on the basis of double towers is solved.

The invention provides an environment-friendly mortise and tenon joint type dense-gap wall brick. The environment-friendly mortise and tenon joint type dense-gap wall brick comprises a body, wherein the body is a cuboid or cube; mortise and tenon joint structures which are matched with one another are arranged on the top surface, the bottom surface, the left surface and the right surface of the body; the top surface and the left surface are of a mortise structure, and the bottom surface and the right surface are of a tenon structure; round central through holes vertical to the top surface and the bottom surface are formed in the body; semi-cylindrical vertical grooves which are parallel to the round central through holes are formed in the left surface and the right surface of the body; semi-cylindrical transverse grooves which are vertical to the round central through holes and the vertical grooves are formed in the top surface and the bottom surface of the body. Compared with the prior art, the wall brick provided by the invention has strong seismic capability, load capability and water-leak-proof capability; the construction is convenient and the assembling is rapid; in a construction process, a needed brick wall structure can be rapidly and ideally finished by a builder; the construction labor hour is shortened, the incorrect loss of materials is reduced and the cost can be reduced.