65results about How to "Improve earthquake resistance" patented technology

The invention provides an ultra-high-performance concrete reinforced concrete column with fiber reinforced polymers wound around a steel pipe, and relates to the technical field of novel combination column reinforced existing structures. FRP cloth is wound around the steel pipe and used for wrapping around and reinforcing existing reinforced concrete columns. A combination column comprises planting ribs, the steel pipe, ultra-high-performance concrete, the FRP cloth and an original reinforced concrete column. Compared with the method for expanding the section of traditional reinforced concrete, high-strength steel pipe concrete (steel pipe self-compaction concrete and steel pipe common fiber concrete) and an angle steel reinforced column, the component can effectively improve carrying capacity, deformability, seismic-resistance and antiseptic durability. Besides, the ultra-high-performance concrete reinforced concrete column is especially suitable for reinforcing high-rise and ultra-high-rise underlying columns, large-span bridge pier columns, structural engineering in a bad environment and industrial factory buildings in a corrosion environment.

The invention relates to a cast-in-situ hollow floor for storing and recycling heat energy and a preparation method thereof, adopting the following scheme based on the prior hollow floor: each box and thin wall in the floor is communicated with each other from side faces by connective channels, so that the box and thin wall of the each floor of a whole building is communicated with each other so as to be formed as a storable and recyclable inner passage which is internally filled with hot gas to provide heat energy for the whole building. The scheme uses the characteristics of light weight and strong earthquake resistance of the prior hollow floor so as to completely use the upper face and the lower face of the floor, thereby overcoming the defect that the geotherm only can be radiated from upper side; the scheme can adopt modes such as parallel connection, series connection or multiple series, and the like, for the box and thin wall of the hollow floor, so that the required temperature in the hollow floor comes up to the required standard in a faster and more reasonable way, as well as circulation is more convenient; and the scheme also can adopt a separate control method so as to lead the inner passage of the floor of each floor and each room to be circulated or closed.

The invention discloses a novel seismic hardening constructional column of a masonry structure. The novel seismic hardening construction column comprises a primary-structure wall body, a steel plate, an angle steel, a split bolt and a steel tie, and is designed as follows: the steel plate and the split bolt are hooped with the wall body to form a combination constructional column at the exterior of the primary-structure wall body, and the steel tie is embedded between the combination constructional column and the peripheral wall body. The seismic hardening constructional column is provided with different shapes aiming at different parts, and can be in a linear shape, a L shape, a T shape and a crisscross shape; the steel plate or the angle iron is bonded on the surface of the construction column; and the split bolt pulls and ties the steel plate or the angle steel to form a firm integrated body with the column body. Compared with the traditional seismic hardening constructional column, the novel seismic hardening constructional column has the advantages of safety, practicability, simple structure, convenient construction, good integrity, strong shock resistance, short construction period, no damage on the wall body, no influence on appearance and the like.

The invention relates to a structure of a hollow floor system of cast-in-site steel-concrete in architectural engineering. The structure adopts the technical proposal that a special communicating hole for a common rib at the bottom part of a ribbon strip is manufactured in a web of section steel; the reinforcing steel bar at the bottom part of the ribbon strip penetrates through the communicating hole of the web of the section steel; the upper part penetrates through the upper flange of the section steel; a grid with the size of a crisscrossed prefabricated hollow body is formed; a hollowed hollow body is placed into the grid; and then concrete and mortar are poured into the hollow body, thereby the upper flange and the web of the section steel form into a whole with the entire floor system. By adopting the proposal, the reinforced concrete can be in close contact with the section steel, ans the bearing effect of the floor system is better. A plurality of raised arcs are formed on the bottom surface of the hollow body in the proposal, therefore, during the process of pouring the concrete and the mortar, the mortar can enter the bottom surface of the hollow body, the lower flange plate of the floor system forms a smooth surface after being solidified, and the problem that the secondary processing is still required to be performed to the bottom surface in the prior art can be overcome.

The invention relates to the technical field of municipal lighting equipment, and particularly relates to a quakeproof steel pole tower. The quakeproof steel pole tower comprises a pole body and a base, wherein the pole body is a hollow pipe, the bottom of the pole body is connected to the base, the base is fixed on the ground, and the base is an elastic device and comprises a base body, a bracket, an anti-off spring, a longitudinal shock absorber and a transverse shock absorber. The base is of an omnibearing elastic buffering structure, so that when an earthquake occurs, the base can eliminate or obviously reduce an acting force exerted on the pole body to improve the quakeproof capacity of the pole body, thereby improving the reliability of the steel pole tower and ensuring the safety and stability of transmission lines.

The invention discloses anti-seismic stairs with a sliding support and a construction method thereof. The anti-seismic stairs with the sliding support are characterized in that the anti-seismic stairs with the sliding support comprise an upper platform (1), a stair bench slab (2) and a lower platform (3) which are connected in sequence, the lower platform (3) is connected with the lower end of the stair bench slab (2) through the sliding support, and the sliding support comprises a first sliding pad layer (10) and a second sliding pad layer (11). The anti-seismic stairs with the sliding support is provided with the sliding support, and has the advantages of being high in seismic resistance capacity, extremely low in friction coefficient, free of maintenance, strong in adaptability, resistant to friction and long in service life, high in bearing capacity, simple in structure and convenient in construction. The construction method has the advantages that construction procedures are few, operation is easy and convenient, and the anti-seismic capacity of stairs and a main body structure can be improved greatly.

The invention discloses a method for manufacturing cement-based light bricks which are manufactured by polystyrene foam, straw, rice husk, polypropylene fiber, starch building glue, cement, water, alkyl sodium sulfonate, anhydrous calcium chloride and yellow sand through the following process steps: mixing above materials according to a certain proportion, stirring, moulding, and suppressing. Thebuildings built by adopting the light bricks have favorable quake-proof performance, light whole weight, convenient construction, heat preservation, heat insulation and low comprehensive cost and thelike.

The invention relates to a tunnel axial damping and energy absorbing device and a tunnel lining structure with the same. The tunnel axial damping and energy absorbing device comprises two connecting pieces, wherein the two connecting pieces are used for being connected with an energy absorbing body and adjacent lining body structures divided in the axial direction of a tunnel, and the energy absorbing body is arranged to be rigid in the radial direction of the tunnel and can generate relative displacement for absorbing the axial energy in the axial direction of the tunnel. According to the tunnel axial damping and energy absorbing device provided by the invention, due to the rigid characteristics in the radial direction of the tunnel, the capacity of bearing static loads of the whole tunnel lining is not damaged, the tunnel has certain flexibility in the axial direction, the anti-seismic capacity of the axial tension and compression deformation of the tunnel can be improved, the phase derivative stress and relative displacement generated by an earthquake can be absorbed, a good earthquake resistance and absorption effect is achieved, and the safety of the tunnel lining structure during the earthquake is guaranteed; and in addition, the device is convenient to install and easy to replace.

The invention provides a rubber tube rolling shock insulation support for shock insulation of a building structure foundation. The rubber tube rolling shock insulation support comprises a limiting seat, a ball limiting rack, multiple balls, multiple rubber tubes, a concrete column-column foot lining plate and a limiting stay rope. An upper-portion structure can produce a certain amplitude of horizontal displacement with respect to the shock insulation support fixed to the foundation through matching of the limiting seat, the rubber tubes, the balls and the ball limiting rack when horizontal shock occurs, the power effect of shock on the upper-portion structure is reduced, deformation of a shock insulation layer during earthquake can be limited, the support has a certain reset capability, the limiting stay rope can ensure that the upper-portion structure and the foundation do not produce overlarge displacement, the shock resistance capability of the structure is improved, and the shock resistance demand is met.

The invention discloses a camera and a double-ring glass component thereof. The camera comprises a front cylinder component, a rear cylinder component and a machine core component. The front cylinder component comprises a front cylinder and the double-ring glass component; the front cylinder has a cylindrical structure with two open ends; one end of the front cylinder is closed by the double-ring glass component, and the other end of the front cylinder is connected with the rear cylinder component; the double-ring glass component comprises a light-transmitting ring, a light-transmitting sheet and a ray isolation ring; and the light-transmitting ring is sleeved outside the ray isolation ring, while the light-transmitting sheet is arranged inside the ray isolation ring, and the light-transmitting ring is made of acrylics. When the camera of the double-ring glass component based on the technical scheme adopted by the invention is adopted, because the light-transmitting ring is made of acrylics, the impact resistance of the acrylic light-transmitting ring is 200 times that of a glass light-transmitting ring, so the light-transmitting ring is not broken by shock, and the shock resistance of the camera can be improved; moreover, the thermal stability is better than that of the glass light-transmitting ring, so the glass light-transmitting ring is not ruptured by thermal shock, and the performance of the camera can be greatly improved.

The invention discloses a cotton thread conveying device for textile. The cotton thread conveying device comprises LED lamps, a base, a ground wire, a guide roller shaft and a cross bar. Universal wheels are correspondingly installed at four corners of the bottom end of the base. A scissor frame support table is installed at the top end of the base. A scissor frame is installed at the top end of the scissor frame support table. Baffles are correspondingly installed at both ends of a conveying roller shaft. Guide wheel fixing columns are correspondingly installed at the portions at both ends ofthe top of a workbench and at the sides, close to wire roller support columns, of transmission roller shafts. Guide roller shafts are fixedly arranged between the top ends of the guide wheel fixing columns. The output end of a control panel is electrically connected with the input end of a motor through a wire. The output end of the control panel is electrically connected with the input end of acamera shooting device through a wire. The output end of the control panel is electrically connected with the input end of a hydraulic support column through a wire. According to the cotton thread conveying device for textile, a shock-absorbing layer is arranged inside the base, so that the anti-seismic capability of the device is increased, and excessive amplitude and breakage of cotton threads are avoided.

The invention discloses a bidirectional-limiting unidirectional-movement basin-type rubber support, comprising a unidirectional-movement basin-type rubber support; the bidirectional-limiting unidirectional-movement basin-type rubber support is characterized in that cylindrical baffle plates are fixed on side faces of the two non-movable sides of a top plate of the unidirectional-movement basin-type rubber support in a welding manner; each of the two non-movable sides of a bottom basin of the unidirectional-movement basin-type rubber support is fixedly connected with a bottom basin extension plate; a door-shaped limiting frame is fixed on the upper surface of each of the bottom basin extension plates in a threaded manner; the cylindrical baffle plates are located in the door-shaped limiting frames; the upper edges of the cylindrical baffle plates contact beams of the door-shaped limiting frames; distances between the cylindrical baffle plates and two upright posts of the door-shaped limiting frames all are 50 to 300mm. The support, under the earthquake action, has the effect of restricting an over-displacement of the top plate at a movement direction and a vertical-up displacement of the top plate; the support can realize that each pier of a bridge is stressed jointly and the earthquake resistance performance of each pier can be brought into full play; meanwhile, the support follows the production technology and the installation technology of the current support so that the support can be repaired conveniently after engineering application and earthquake.

The invention discloses a high concrete face rockfill dam seismic strengthening structure and a construction method thereof and belongs to the technical field of hydraulic engineering. The high concrete face rockfill dam seismic strengthening structure is positioned in a rockfill on the upper portion of a dam, cemented coarse-grain soil layers are arranged in the rockfill on the upper portion of the dam at intervals of a certain height, reinforcing meshes are laid in the cemented coarse-grain soil layers, the modulus and the strength are improved greatly, and the upper dam body structure of the rockfill dam can be effectively strengthened, so that the seismic capacity of the high concrete face rockfill dam is improved. The cemented coarse-grain soil layers are laid synchronously when filled into elevations along with the dam, interference between the cemented coarse-grain soil layers and the dam filling are scarcely formed, and therefore, the construction process is guaranteed. The reinforcing meshes are subjected to asphalt rest-proof treatment and covered in the cemented coarse-grain soil layers simultaneously, so that the problem of the seismic capacity reduction due to rust and aging of materials is solved, and an effective seismic measure is provided for high concrete face rockfill dams in highly seismic areas.

The invention discloses a beam-end energy dissipation restricted prestress prefabricated concrete structure, including a precast pole, a precast beam, and an energy dissipation restricted sleeve. Theenergy dissipation restricted sleeve comprises a steel sleeve used for beam-end restriction and energy dissipation angle iron. The steel sleeve is sleeved on an end of the precast beam. An upper end and a lower end of the steel sleeve are provided with the energy dissipation angle iron. The energy dissipation angle iron is connected with the precast pole through a fastener. The precast pole and the precast beam are provided with prestressed tendon ducts. A prestressed tendon passes through the prestressed tendon ducts on the precast pole and the precast beam in sequence, and is pre-tightened,so that the precast beam, the precast pole, and the energy dissipation restricted sleeve are connected into an integrated one. The beam-end energy dissipation restricted prestress prefabricated concrete structure improves structure stability and service life.

The invention discloses an internal isolation device for an extracting solution storage box, and relates to the technical field of extracting solution storage equipment. The internal isolation devicecomprises fixing frames, the fixing frames are fixedly connected through connecting ropes, isolation frames are slidably connected to the inner sides of the fixing frames, storage pipes are mounted inthe isolation frames, clamping devices are installed on the two sides of the inner walls of the isolation frames, sealing plugs are installed at the bottoms of the storage pipes, sealing sliding blocks are fixedly connected to the tops of the sealing plugs, and the sealing sliding blocks are in sliding connection with the inner walls of the storage pipes. According to the internal isolation device for the extracting solution storage box, the internal space of the storage box can be fully utilized to perform shock-proof buffering and heat preservation and insulation on the extracting solutionstorage pipes, the leakage-proof alarm capacity is achieved, timely reminding can be performed when the sealing performance of the storage pipes is insufficient, the situation that extracting solutionleaks to pollute the external storage box is avoided, meanwhile, when the extracting solution storage pipes need to be taken out, an external buffer medium can be automatically discharged, and use isconvenient and labor is saved.

The invention relates to the field of buildings, in particular to a building material recovery device. According to the building material recovery device, the technical problem is solved. According tothe technical scheme, the building material recycling device comprises an underframe, a grinding mechanism, a turnover mechanism, a cutting mechanism, a first collecting box, a control screen, a sensor and a second collecting box. The underframe is connected with the grinding mechanism; the underframe is connected with the turnover mechanism; the underframe is connected with the cutting mechanism; the underframe is connected with the first collecting box; the underframe is connected with the control screen; the underframe is connected with the sensor; the underframe is connected with the second collecting box; the sensor is arranged beside the grinding mechanism; the turnover mechanism is connected with the cutting mechanism; the second collecting box is arranged below the turnover mechanism; and the first collecting box is arranged below the cutting mechanism. According to the building material recovery device, cement blocks on waste PTFE plate are ground and removed, and manual treatment is replaced, so that the efficiency is improved; and subsequent further recovery of the PTFE plate is facilitated.

The invention relates to a CSIPs-steel composite structure energy consumption type anti-seismic joint. The joint comprises a beam column and a cross beam fixedly connected through a connecting plate, the cross beam is connected with the connecting plate through a bolt, a first acting plate is arranged between the beam column and the cross beam, and the first acting plate is crushed to absorb energy after being extruded; and one part of energy of the earthquake on the beam column is consumed to improve the anti-seismic capacity of the joint. A third acting plate arranged between the connecting plate and the cross beam and a damping device connected to the beam column, arranged below the cross beam and used for buffering energy consumption are further included, the third acting plate will be broken and separated out in the earthquake, the cross beam and the connecting plate are in flexible connection, longitudinal force borne by the cross beam is converted into transverse force through a force dividing device to protect the bolt, and in addition, a protection device is further provided to protect the cross beam from falling off when it cannot be guaranteed that the bolt cannot be broken. Compared with a traditional welding joint, the joint has better convenience, shock resistance and practicability.

A liquid sloshing preventing method of a concrete rectangular liquid storage structure comprises a first step of determining and carrying out foundation treatment according to a geotechnical engineering investigation report of a site; a second step of laying a plain concrete cushion (1) and erecting templates, setting reinforcing steel bars and arranging embedded parts on the plain concrete cushion (1); a third step of pouring a bottom plate (2) and wall plates (3) of the rectangular liquid storage structure, and arranging grooves (5) with the same thickness as a vertical partition plate (4) at an inner side of the wall plates (3); a fourth step of according to chemical properties of a liquid inside the structure, selecting and making a material into the vertical partition plate (4), and reserving holes (6) in the vertical partition plate (4); a fifth step of determining the thickness h of the vertical partition plate (4) according to the described formula; and a sixth step of installing the vertical partition plate (4) into the grooves (5).

The invention relates to the technical field of building construction, specifically to an anti-crack masonry wall. The adopted technical scheme is that the anti-crack masonry wall comprises a wall body; the wall body is obtained by laying building blocks in a crossed manner; gaps between the building blocks are filled with binding mortar layers; the anti-crack masonry wall further comprises a plurality of connecting sheets; the connecting sheets are uniformly distributed in the wall body; the connecting sheets are embedded in the binding mortar layers; the connecting sheets perpendicularly runthrough the wall body; fixing holes are formed in the two ends of the connecting sheets; a plurality of reinforcing bars are also arranged on the two side surfaces of the wall body; the two ends of the reinforcing bars are fixed on a concrete frame around the wall body; the middle parts of the reinforcing bars penetrate into the fixing holes; and the reinforcing bars are distributed in a net shape. The anti-crack masonry wall has the characteristics that the cracking of the masonry wall can be prevented, the weight is light, the shear strength is high and the anti-seismic property is good.

The invention relates to an intelligent motor control cabinet, which is composed of a top level room, a grounding aisle, a drawer unit, a wire and cable room, and a cabinet body. The top level room is equipped with a network control fixing plate, and the network control fixing plate is equipped with a network connection module; There is a grounding bar installed in the grounding aisle; each motor control circuit is installed in the drawer unit; the rear of the drawer unit is respectively equipped with a network plug-in, a control plug-in, a grounding plug-in, a wire plug-in and a load plug-in; the rear of the cabinet corresponds to the drawer unit The position device has the corresponding network plug-in, control plug-in, and grounding bar; the load plug-in is installed on one side of the partition board, and the user load terminal is installed on the other side of the partition board; the wire and cable indoor device has a zero row; the rear of the cabinet is installed There are horizontal busbar copper bars; the top of the cabinet is equipped with hoisting angle steel. The invention is an intelligent motor control cabinet which is safe in use, convenient in installation, compact in structure, good in shock resistance and impact resistance, highly flexible in assembly, and convenient in disassembly.

The invention discloses a high-damping rubber ring limiting one-way movable pot type rubber bearing which comprises a one-way movable pot type rubber bearing body. The high-damping rubber ring limiting one-way movable pot type rubber bearing is characterized in that top plate extension plates are fixedly connected with the two unmovable sides of a top plate of the one-way movable pot type rubber bearing body, and a stop dog is hung on the bottom face of each top plate extension plate; bottom tray extension plates are fixedly connected with the two unmovable sides of a bottom tray of the one-way movable pot type rubber bearing body, two adaptive supports are welded to the upper surface of each bottom tray extension plate, and high-damping rubber rings are fixed on the two opposite faces of the two corresponding adaptive supports; each stop dog is arranged between the two corresponding high-damping rubber rings, and intervals between each stop dog and the two corresponding high-damping rubber rings both ranges from 50 mm to 300 mm. According to the high-damping rubber ring limiting one-way movable pot type rubber bearing, under the earthquake action, overlarge displacement of the bearing in the movable direction can be restrained, joint load carrying of all bridge piers of a bridge can be achieved, the anti-quake performance of all the bridge piers is fully exerted, the earthquake energy is dissipated, the production technology and the installation technology of an existing one-way movable pot type rubber bearing can continue to be used, and the engineering application and restoring after an earthquake are convenient.

The invention belongs to the technical field of optical glass, and particularly relates to optical glass which comprises a glass layer and a protective layer. The protective layer coats the outer side of the glass layer; the protective layer is made of an elastic solid material; the optical glass is prepared from the following raw materials: 8-10 parts of silicon dioxide, 24-25 parts of lanthanum trioxide, 16-20 parts of diboron trioxide, 8-12 parts of nano titanium dioxide, 5-8 parts of aluminum oxide, 5-8 parts of lithium oxide, 1-1.6 parts of barium oxide, 2-4 parts of fish oil, 8-6 parts of microcrystalline wax, 8-10 parts of low molecular weight polyethylene resin, 12-16 parts of polyamide-6, 2-3 parts of calcium oxide and 3-5 parts of heat-conductive carbon fibers. The optical glass is of a two layer structure and the protective layer is added to the outer layer, so that the shock resistance and the corrosion resistance of the optical glass can be effectively enhanced, and meanwhile, a cleaning process before secondary molding pressing or precise molding pressing is omitted, so that the process of preparing optical parts by precise molding pressing of the optical glass is more convenient.

The invention relates to an industrial case, belongs to the technical field of industrial instrument control equipment cases, and aims to improve the anti-seismic capacity, electromagnetic interference resistance and ventilation cooling of the industrial case. The industrial case is characterized in that the upper, lower, left and right outer side surfaces of the case are welded into a whole in a seamless manner by a metal plate; an upper fan bracket and a lower fan bracket in the case are fixedly connected with the case through stud bolts respectively; card guide rails are connected side by side into a whole to form a card guide rail component between the upper fan bracket and the lower fan bracket; metal shielding bars are arranged in mounting clearances among front and back panels of the fan brackets and card panels; a through hole position on a guide plate arranged between the lower fan bracket and the card guide rail component corresponds to a clearance between cards on the card guide rail component. The outer side surfaces of the case are welded into a whole in the seamless manner through the metal plate, so that the internal structure is compact and firm, the anti-seismic performance is good, and internal components can be prevented from being influenced by extreme temperature conditions, continuous vibration environment and unexpected shock environment.

The invention relates to a building floor slab, in particular to a prestressed concrete hollow slab and a construction method thereof. The hollow slab comprises two SP plates, wherein two ends of each SP plate are provided with nicks for holding column reinforcements respectively; the sections of each SP plate are provided with a plurality of reinforcement casings; one end of each reinforcement is connected with the one reinforcement casing, and the other end of each reinforcement is free; a plurality of steel hinge ropes are pre-embedded inside the two SP plates along the direction of long edges; and two ends of the steel hinge ropes are threaded out from the nicks, wherein the out-treaded ends of the steel hinge ropes pre-embedded inside a first hollow SP plate are connected with a steel-hinge-rope fixing frame. The method comprises the steps of placing the reinforcements in the SP plates through the nicks at two ends of the two SP plates, installing and fixing the steel-hinge-rope fixing frame and the reinforcements on the column reinforcements, bundling and fixing intersections of the steel hinge ropes, the reinforcements and the column reinforcements by use of bundling reinforcements, inserting porous steel pipes into second holes of the SP plates, injecting concrete into the pipes and casting the concrete into the SP plates after concrete strength is up. The prestressed concrete hollow slab has the characteristics of saving energy consumption and the like, along with simple rapid installation.

The invention relates to a building natural cooling air circulation system, in particular to a system which utilizes an underground well to provide cooling air circulation for a cast-in-place hollow floor building. By utilizing a cast-in-place hollow floor, the proposal leads thin wall cases in the hollow floor to form an air circulation channel by utilizing a connecting channel so that the outdoor air is introduced into the underground well below the building, and conducts temperature reduction to the introduced air by utilizing the temperature of the underground well lower than that of the ground surface; an exhaust fan utilizes an air-suction duct to send the cold air into the floor; and the cold air circulates in a circulation pipeline in the floor, and then enters the room through an air outlet, thus realizing temperature reduction. By utilizing natural resources, the proposal saves the refrigeration cost, is green and environment-friendly, and generates no harmful gas.

The invention discloses a hoop straining beam type supporting device used for a reactor pressure vessel. The hoop straining beam type supporting device comprises a concrete foundation, a hoop which surrounds the upper part of the pressure vessel, and at least two groups of straining beams oppositely arranged on the periphery of the pressure vessel, wherein one end of the straining beam is connected with the hoop, and the other end is connected with the concrete foundation. According to the device provided by the invention, the structures including the hoop, the straining beam, a connecting pin and the like are adopted, the hoop surrounds the outer surface of the upper part of the pressure vessel, one end of the straining beam is connected with the hoop, the other end is fixed in the concrete foundation of a reactor pit, and the straining beam and the hoop are connected through the connecting pin; while a reactor pressure device is supported, the lateral stress of the pressure vessel in an operation process is decomposed, the flexible swinging of the vessel is eliminated, and the shock resistance of the reactor pressure vessel is enhanced.

The invention relates to a long-span steel vertical cylindrical oil tank of above 100 thousand cubic meters. The oil tank comprise a cylindrical tank body formed by a tank foundation, a tank bottom plate and a tank wall, a fixed top cover with the diameter of of 70 m to 95 m is arranged at the top of the tank body, and the top cover is formed by a large-span combined grid structure with bidirectional longitudes and skin on the grid structure. Compared with the prior art, the oil tank has the advantages of being good in stressing performance, convenient to construct and mount, small in material consumption, free of stand columns in the tank, low in cost and the like.

The invention provides an acceleration recording apparatus used for an ejection test under large impact. The apparatus comprises a pedestal, a processing circuit board, an accelerometer circuit, a power supply monitoring circuit, an acquisition processing circuit, a sensor circuit, a signal setting circuit and a memory circuit, wherein the power supply monitoring circuit comprises a power supply detection chip and emits a control command through a processor to obtain voltage and current parameters of a battery. A high-strength titanium-magnesium alloy material is employed, the overall antivibration capability of the apparatus is enhanced, dampers of an acquisition processing circuit board are installed on a base support, and thus impact caused to circuit components in an impact process is further reduced. Therefore, under the condition of the large impact, the acceleration recording apparatus can be repeatedly used for carrying out an accurate axial acceleration measurement on the ejection test, after measurement ends, measurement data is read through host software, through multiple application under the condition of the large impact, the progress of the ejection test is accelerated objectively, and the test cost is also saved.