18results about How to "Low construction requirements" patented technology

The invention provides a large-span offshore photovoltaic truss type support structure, which is characterized in that a truss is arranged at the pile top of a support pile in a photovoltaic power generation area, the whole truss comprises a plurality of independent parts which are spliced along the arrangement direction of the support pile, a support is arranged at the top of the truss, and a photovoltaic module is mounted on the support; therefore, the bracket and the photovoltaic module form a steady-state supporting state on the truss; pile foundation connecting structures which are adjusted in the vertical direction and the horizontal direction respectively are arranged between the support piles and the trusses, and middle connecting pieces for bearing the support piles and the trusses are arranged on the pile foundation connecting structures in the vertical direction. By means of the connecting structure between the pile foundation and the truss which are adjustable in the vertical direction and the horizontal direction, the requirement for the vertical precision of piling is low, the construction requirement for offshore pile foundation construction can be lowered so that a support can be conveniently installed, it can be guaranteed that after the pile foundation deviates in the horizontal direction, the truss can still be normally installed on the pile top, and therefore the construction difficulty is lowered, and the construction efficiency is improved. And normal project propulsion is ensured.

The invention discloses a multi-energy mobile energy storage frequency modulation system based on a lithium titanate battery. The system comprises a container; a control system, an energy storage inverter module, an energy storage module and a diesel generator module are arranged in the container; a photovoltaic power generation module is arranged at the top of the container; the control system is connected with the energy storage module and is used for acquiring real-time temperature information of each single battery cell in the energy storage module and recording and analyzing the real-time temperature information; the photovoltaic power generation module is connected with the energy storage module; the energy storage inverter module is connected with the energy storage module; a diesel generator module; the energy storage module is an energy storage module based on a lithium titanate battery. According to the invention, the problems of battery attenuation, low safety, low quick charge and discharge efficiency, weak environmental adaptability, long service life, low reliability and the like of existing industrial and commercial user side energy storage can be overcome, quick deployment of the mobile energy storage frequency modulation system can be realized, the charge and discharge efficiency of the industrial and commercial user side energy storage frequency modulation system is improved, and the service life and the reliability of equipment are improved.

The present application relates to a kind of double-column pier system and construction method of quick construction in high-risk seismic area, belong to the technical field of fabricated structure engineering.The double-column pier of construction includes cap beam, pier column, pile cap, pile.The pier column and cap beam are connected by grouting steel pin and slot combination, and the pier column and pile cap are connected by socket and steel pin combination, and the new socket connection node structure of pier column-cap beam / pile cap can better realize mechanical transmission, guarantee the connection reliability and seismic safety of bridge node, the recess of corrugated shape is arranged in the pile cap, and shear stud is arranged below the pier column, which can improve the connection reliability between the pier column and the pile cap, the socket depth of the double-column pier can be reduced to 0.5d by this connection method, and the top grouting method is used to ensure the grouting density.The present application can realize convenient, quick prefabrication and assembly, and has good seismic performance, which guarantees the seismic safety of the system.

The utility model relates to the technical field of house waterproofing, and discloses a sealing coiled material and a parapet wall waterproof structure, the sealing coiled material comprises a coiled material body and a pressing strip, the coiled material body is in a long strip shape and is made of waterproof materials, and the pressing strip is fixedly arranged on the coiled material body and extends along the length direction of the coiled material body. The sealing coiled material disclosed by the utility model can be used for closing up the waterproof coiled material on a parapet wall, allows height difference to exist between the tail ends of the waterproof coiled material, greatly reduces the construction requirements on the waterproof coiled material, greatly simplifies the closing-up construction flow and improves the construction efficiency at the same time.

The utility model provides a folding type protective air-tight door which comprises a door frame wall and a door leaf assembly, the door leaf assembly comprises a plurality of door leaf units, and a first hinge and a bolt mechanism are arranged between every two adjacent door leaf units. The first hinge and the bolt mechanism are located on the two sides of the door leaf unit respectively. The bolt mechanism comprises bolts and bolt seats, the bolt seats are arranged on the two adjacent door leaf units respectively, and bolt holes are formed in the bolt seats; when the door leaf assembly is in an unfolded state, the bolt is inserted into the bolt seat of the adjacent door leaf unit; and when the door leaf assembly is in a folded state, the bolt is pulled out from the bolt seat of the adjacent door leaf unit. The door leaf assembly is formed by connecting the door leaf units through the hinges, and when the plug pins are pulled out, the door leaf units can be folded in a Z shape; the door leaf assembly can be folded when opened, the space reserved for door leaf movement is greatly reduced, the door leaf assembly is particularly suitable for underground civil air defense engineering with limited space, and the flexibility and practicability of overall space planning are improved.

A kind of sealing tool for modular integrated building flue interface includes flue socket sleeve, fine stone concrete filling block and bolt, flue socket sleeve includes square sleeve and square steel plate, the bottom of square sleeve is welded above square steel plate, the center position of square steel plate is provided with the through-hole matched with the shape of square sleeve bottom, four top corners of square steel plate are provided with threaded hole, first fine stone concrete filling block is arranged between upper module box bottom plate and upper flue, second fine stone concrete filling block is arranged between lower module box top plate and lower flue, flue socket sleeve is arranged between upper module box and lower module box, flue socket sleeve is fixed above second fine stone concrete filling block, lower flue and wall membrane by bolt;The utility model solves the technical problem that the interface of the upper flue of upper module box and the lower flue of lower module box appears smoke leakage when module box is spliced in concrete modular integrated building.

The present invention discloses an unlockable assembled modular node and an assembly method, which relates to the technical field of building engineering, and includes an upper steel structure module and a lower steel structure module, wherein the lower steel structure module and the upper steel structure module are connected by a connecting assembly, wherein the connecting assembly includes a self-locking connecting rod and a fixing plate, wherein two fixing plates are provided and symmetrically arranged in the upper steel structure module, and the self-locking connecting rod is arranged between the two fixing plates. The present invention adopts the above-mentioned unlockable assembled modular node and an assembly method, wherein the node structure is simple, and the self-locking connection and unlocking and disassembly of the module can be easily realized, thereby greatly improving the assembly and disassembly efficiency of modular buildings.

This invention relates to a method for non-explosive pyrolysis to enhance coal permeability and implement forced roof caving, belonging to the field of coal mine safety technology. The method involves injecting a pyrolysis agent into a borehole, which reacts, solidifies, and expands, generating expansion pressure that causes the coal or rock mass to crack, forming numerous secondary fractures. This improves the permeability of the coal or reduces the strength of the roof strata. Application scenarios include permeability enhancement of inclined coal seams, and permeability enhancement and forced roof caving of near-horizontal or horizontal coal seams. This invention utilizes the property of the pyrolysis agent itself—reaction, solidification, and expansion—to create secondary fractures in the coal (rock) mass, significantly improving coal permeability or reducing rock strength. It involves minimal electromechanical equipment and offers significant technical and economic benefits. For coal permeability enhancement operations in longwall mining faces, it strictly distinguishes between inclined, gently inclined, or near-horizontal coal seams, and differentiates the arrangement of process boreholes and gas drainage boreholes. The engineering workload is low, eliminating the need for blasting operations, and safety is extremely high.

The present invention discloses an excavation structure and an excavator, and relates to the technical field of buckets. The excavation structure includes an excavation component and a drive control component. The excavation component includes a bucket, a dipper rod and a mounting rod. The drive control component includes a first drive member and a second drive member. The dipper rod is hinged to the mounting rod, and the bucket is rotationally connected to the mounting rod, and the rotation axis is perpendicular to the rotation axis of the mounting rod when the dipper rod rotates relative to the dipper rod; the two ends of the first drive member are respectively hinged to the mounting rod and the dipper rod, and the first drive member can drive the mounting rod to rotate relative to the dipper rod, thereby driving the bucket to rotate relative to the dipper rod through the mounting rod to perform excavation operations, and the second drive member is connected to the dipper rod, and is hinged to the bucket, and can drive the bucket to rotate relative to the mounting rod to switch the bucket to a forward shovel state or a backhoe state. The excavation structure and the excavator can quickly and automatically complete the forward and backhoe switching of the bucket, and have the characteristics of low operating costs and low requirements on operating conditions.

The present invention relates to the field of civil engineering technology, and specifically to a foundation pit assembled sheet pile and steel pile combined support structure and construction method, including an anti-soil panel and a groove plate, the anti-soil panel and the groove plate are quickly assembled through a designed slide plate and connecting bolts, the anti-soil panel is provided with a reserved connecting steel bar and a pre-buried connecting steel pipe to ensure that the connection between the sheet piles is firm and stable, the anti-soil panel is provided with a limiting convex groove and a limiting groove, and the groove plate is provided with a bolt hole corresponding to the anti-soil panel. The device sets an auxiliary reinforcement body and a limiting stabilizing card between the groove plates used for assembly, and the combination of the set limiting stabilizing card and the auxiliary reinforcement body makes the groove plates used for assembly and splicing more firm, indirectly making the assembled groove plates and the steel piles more firm as a whole, and the set auxiliary reinforcement body will not affect the rapid assembly and disassembly between the groove plates.

The invention provides freeze-thaw-resistant fiber recycled aggregate roller compacted concrete and a preparation method thereof, and relates to the technical field of recycled aggregate concrete. The concrete is prepared from the following raw materials in parts by weight: 400-455 parts of rolled recycled coarse aggregate; 140 to 160 parts of cement; 14 to 18 parts of silica fume; 30 to 38 parts of fly ash; 195 to 225 parts of natural aggregate; 50 to 65 parts of water-absorbing sepiolite fiber; 50 to 70 parts of water; 2-4 parts of composite fiber aggregate; 1.25 to 3.6 parts of a composite anti-freezing agent; and 1-1.5 parts of a polycarboxylic acid high-performance water reducing agent. The invention also provides a preparation method of the freeze-thaw resistant fiber recycled aggregate roller compacted concrete. The freeze-thaw-resistant fiber recycled aggregate roller compacted concrete prepared by the invention has the advantages of excellent mechanical properties, good freeze-thaw resistance and the like, the concrete is constructed by replacing a traditional pouring mode with a vibration rolling mode, the recycled aggregate can be recycled to the maximum extent, and the application prospect of the concrete is expanded.

The utility model relates to a novel curtain wall waterproof structure, and belongs to the technical field of building construction. Comprising a vertical plate and a transverse plate, the vertical plate and the transverse plate are arranged in an L shape, the vertical plate is arranged on the heat preservation rock wool and the ground, the transverse plate is arranged on the top of a concrete beam, the fastening bolt penetrates through the transverse plate to install the angle steel on the top of the concrete beam, and a waterproof layer is laid along the side, close to the ground, of the vertical plate. The height of the waterproof layer is increased, and outdoor water is prevented from flowing into a room.

The utility model relates to a post-cast strip side form device for a basement pre-paved anti-sticking waterproof surface, which belongs to the technical field of building construction, and comprises a wall body and a post-cast strip body arranged on the wall body, the bottom end of the post-cast strip body is provided with a baffle plate, and two ends of the baffle plate are attached to the bottom end of the wall body. A cover plate with the two ends attached to the top end of the wall is arranged at the top end of the post-cast strip body, a grouting hole used for pouring concrete into the post-cast strip body is formed in the cover plate, and the baffle and the cover plate are connected through a connecting piece. The connecting piece comprises multiple steel wire ropes, the bottom ends of the steel wire ropes penetrate through the baffle and then are connected with first rope clamps, the top ends of the steel wire ropes penetrate through the cover plate and then are connected with second rope clamps, and the first rope clamps and the second rope clamps are matched to clamp the baffle and the cover plate. The construction requirement can be lowered, and operation is convenient and fast.

The utility model relates to a splicing structure of a concrete pile, which is arranged between splicing surfaces of two adjacent concrete pile bodies, and comprises a convex rib and a slot which are arranged on the splicing surfaces, and the convex rib and the slot can be inserted and matched with each other; the splicing piece is characterized in that only one convex rib is arranged on one splicing face in the length direction, only one inserting groove is formed in the other splicing face in the length direction, the outer surface of each convex rib is an arc-shaped outer cambered surface, the inner surface of each inserting groove is an arc-shaped inner cambered surface, the inner cambered surface of each inserting groove is an inferior arc, and the outer surface of each convex rib is an arc-shaped inferior arc. The outer cambered surface of the convex rib can be attached to the inner cambered surface of the slot, and the height of the convex rib is larger than the depth of the slot. Similar ball head connection is formed between the two piles, the height of the convex ribs is larger than the depth of the inserting grooves, the two piles oppositely form an angle, pile bodies cannot interfere with each other and can still be spliced together through the convex ribs and the inserting grooves, and the construction precision is reduced. The utility model further relates to a concrete pile.

The invention relates to the technical field of steel structures, in particular to an assembly type steel structure beam-column joint adopting a friction type high-strength steel joint, which comprises a steel column, and a connecting plate is arranged on the side surface of the steel column; threaded holes are symmetrically pre-formed in the upper side and the lower side of the end part of the steel beam; the friction type high-strength steel connector comprises an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate are both vertically and fixedly connected to the side face of the connecting plate, and the end of the upper clamping plate and the end of the lower clamping plate are each provided with a straight notch corresponding to a threaded hole in the end of the steel beam. According to the assembly type steel structure beam-column joint adopting the friction type high-strength steel joint, a large amount of energy can be dissipated through friction slippage of a bolt connection interface under the action of an earthquake or a reciprocating load through the friction layer on the connection interface of the upper clamping plate and the lower clamping plate, so that pressure bearing damage of a bolt hole wall or shear brittle failure of a bolt is avoided; and the ductility and the energy dissipation capacity of the joint are remarkably improved, so that the anti-seismic safety of the whole structure is enhanced.

The utility model discloses a kind of multifunctional ecological revetment blocks for river regulation, belong to the technical field of hydraulic engineering construction, the block includes block body and wedge, block body four side surface structures are same, are equipped with tenon, mortise and half hole, when arbitrary two side surfaces are spliced, tenon is embedded mortise, vertical wedge hole is formed in its half hole alignment, when construction, first assemble block to form revetment level, then the conical frustum wedge of same material is driven into wedge hole, wedge uses its wedge effect to generate huge radial pressure, adjacent block is locked transversely, while its lower end is deeply into foundation, provide vertical anchoring force, the utility model realizes the " transverse locking, vertical anchoring " of revetment structure, integrality, stability and anti-collapse ability are very strong, and construction is convenient, ecological friendly, with very high popularization value.

The invention discloses an unlockable assembly type modular joint and an assembly method, and relates to the technical field of constructional engineering, the unlockable assembly type modular joint comprises an upper steel structure module and a lower steel structure module, the upper steel structure module and the lower steel structure module are connected through a connecting assembly, and the connecting assembly comprises a self-locking connecting rod and a fixing plate; the two fixing plates are symmetrically arranged in the upper steel structure module, and the self-locking connecting rod is arranged between the two fixing plates. According to the assembly type modular joint capable of being unlocked and the assembly method, the joint structure is simple, self-locking connection and unlocking disassembly of modules can be simply achieved, and the assembly and disassembly efficiency of a modular building is greatly improved.

The invention relates to a ball skill and tactical ability monitoring method and device and a storage medium. The method comprises the following steps: acquiring an original single-view video comprising a plurality of image frames; based on each image frame, marking a preset court key point 2D coordinate corresponding to a pre-obtained same-group court key point 3D coordinate, and optimizing and solving camera interior and exterior orientation parameters; respectively acquiring a ball 2D sequence and a human body key point 2D sequence by using different algorithms; obtaining a corresponding ball 3D position sequence and a player 3D position sequence based on the optimized camera interior and exterior orientation parameters, the ball 2D sequence and the human body key point 2D sequence; acquiring a frame rate, a ball 3D position sequence and a player 3D position sequence by using a video acquired in advance, and calculating technical and tactical key data; based on the original single-view video, the technical and tactical key data are visually presented. Compared with the prior art, the method has the advantages that the hardware environment building requirement and the information processing load are reduced, and the analysis accuracy of the player / ball 3D spatio-temporal characteristics is improved.