18results about How to "Save engineering investment" patented technology

The utility model belongs to the technical field of the design of the opening and closing mechanism of the stoplog gate, and particularly relates to a transfer device for the leaves of the stoplog gate. The utility model includes a water inlet hole, a stoplog gate storage area, a door machine track and a one-way door machine, and a trolley track is arranged on the side area of the water inlet hole and perpendicularly intersects with the door machine track, a transfer trolley is installed on the trolley track, and the transfer trolley is equipped with a power mechanism for driving the trolley to reciprocate along the trolley track; a load platform is arranged on the transfer trolley through a lifting mechanism, and the load platform is used for transferring the stoplog gate leaves; the trolley track has a first end arranged close to the door machine track and a second end arranged away from the door machine track, the stoplog gate storage area is arranged at the second end of the trolley track, and the stoplog gate storage area is arranged with storage platforms for storing the stoplog gate leaves on both sides of the trolley track. The utility model can conveniently realize the transfer of the stoplog gate leaves in the vertical direction of the one-way door machine running track.

The application provides a rainwater and accident water comprehensive management system and management method, and the system comprises a first automatic valve, a monitoring well, a second automatic valve, a total discharge opening water storage monitoring pool, a third automatic valve, a flow meter, a fire pump state acquisition unit and a fourth automatic valve. The monitoring well is provided with a first online monitoring device, the second automatic valve is interlocked with monitoring data of the first online monitoring device; the total discharge opening water storage monitoring pool is provided with a second online monitoring device, the third automatic valve is interlocked with monitoring data of the second online monitoring device; and the fourth automatic valve is interlocked with flow data of the flow meter and a fire state indication signal of the fire pump state acquisition unit. The management system can automatically switch the water flow path according to the real-time monitoring data, improve the automation degree, reduce the occurrence of misoperation, missed operation and delayed operation, improve the response speed and operation stability, maximize the realization of pipe network resource sharing, effectively reduce the construction period engineering investment and operation cost.

The utility model provides a pile film bag earth and rock cofferdam suitable for a high-permeable foundation. The pile film bag earth and rock cofferdam comprises a high-strength woven bag filled earth and rock cofferdam body, a high-strength composite geomembrane bagged earth and rock slope protection and anti-seepage blanket, a geomembrane anti-seepage inclined wall, an earth and rock filling cofferdam body, a high-strength composite geomembrane bagged earth and rock slope protection, a cofferdam crest mud stone pavement, a permeable layer and the like. The upstream upstream face adopts a double-insurance combination form of a high-strength composite geomembrane bagged soil and stone anti-seepage blanket, a high-strength composite geomembrane bagged soil and stone slope protection and a geomembrane anti-seepage inclined wall, and the good water retaining, anti-seepage, anti-impact and anti-frost heaving effects are achieved. And meanwhile, the foundation adopts the steel sheet pile anti-seepage core wall, so that the foundation seepage stability problem of the cofferdam constructed on the high-permeability foundation can be effectively solved. The anti-seepage structure can be applied to various wading engineering construction scenes and has the advantages of guaranteeing the anti-seepage effect, being safe in structure, saving investment, shortening the construction period, being environment-friendly and the like.

A stone-inserted concrete apron energy dissipation and scour prevention structure belongs to the field of hydraulic engineering structures and comprises a plurality of stone-inserted concrete apron blocks which are spliced with one another, and gaps are reserved between the stone-inserted concrete apron blocks. Each stone-inserted concrete apron block comprises reinforced concrete sashes on the periphery and a rubble concrete layer in the rubble concrete block. A plurality of protruding inserted stones are arranged on the top of the rubble concrete layer. And a gap separating plate is arranged in the gap. The inserted stones are embedded into rubble concrete, friction with water flow is increased, complementary energy can be eliminated, flow velocity distribution can be adjusted, water flow out of a pool can be evenly diffused, a downstream riverbed can be protected from being scoured, meanwhile, reinforcing steel bars are arranged in concrete lattices, the bearing capacity of the concrete is enhanced, cracking is prevented, and the overall durability and anti-seismic performance of the structure are improved. The rubble concrete is filled in the reinforced concrete sash, local materials are used, and engineering investment is saved. The problem that discharged water flow scours and destroys an apron and a riverbed can be effectively solved.

The application discloses a diversion tunnel alternating flow staging gate closing water storage structure and method, relates to the technical field of water conservancy and hydropower construction, and comprises a first diversion tunnel, a second diversion tunnel and a three-face stoplog gate, the first diversion tunnel is provided with a first water inlet and a first water outlet at two ends, and is further provided with a third water inlet, the setting height of the third water inlet is higher than that of the first water inlet; the first diversion tunnel is further provided with a first gate slot and a third gate slot, and the first gate slot and the third gate slot are located at the front and rear of the third water inlet respectively; the second diversion tunnel is provided with a second water inlet and a second water outlet at two ends, the setting height of the second water inlet is higher than that of the first water inlet and is lower than that of the third water inlet; the second diversion tunnel is vertically provided with a second gate slot at the second water inlet; and the stoplog gate is formed by parallel and coplanar splicing of a plurality of baffles. The application can solve the problem that the downstream river channel cannot be effectively prevented from being dehydrated and cut off under the premise of ensuring economy and safety.

This invention provides an auxiliary system and construction method for positioning and installing lattice columns. The auxiliary system includes a guide frame and a positioning mechanism. The guide frame can be nested and inserted into the lattice column and is detachably connected to it. The guide frame includes a positioning frame and multiple first positioning blocks fixed to the outside of the positioning frame. The positioning mechanism controls the center deviation and verticality of the lattice column by adjusting the center deviation and verticality of the guide frame. The positioning mechanism includes a hollow rectangular frame, four jacks installed at the bottom of the four corners of the rectangular frame, and an adjustment mechanism for adjusting the orifice size through which the guide frame passes. The orifice is located within the rectangular frame, and its size matches the size of the positioning frame. The multiple first positioning blocks are located on and abut against the rectangular frame. By using this auxiliary system to install lattice columns, the positioning difficulty of ultra-long hollow lattice columns is reduced, the positioning operation time is effectively shortened, and the positioning effect is stable and reliable.

The utility model discloses a kind of underground station pile wall composite structures, including underground station structure and the foundation pit enclosure stake of being set in the outer side of underground station structure, the sidewall bottom joist of being equipped with in the lower side of underground station structure two sides, transverse reserved reinforcement is equipped in the foundation pit enclosure stake, first connection reinforcement is correspondingly equipped in the sidewall bottom joist, and the foundation pit enclosure stake is close to the side of underground station structure and is equipped with the reinforcement connection component for the transverse reserved reinforcement and the first connection reinforcement connection. The utility model analysis foundation pit enclosure stake base is used as the composite structure of underground station pile foundation, realizes enclosure foundation pit engineering and underground station structure intensive sharing, solves later period enclosure stake waste problem, effectively improves resource utilization efficiency, simultaneously reduces underground station structure outer wall thickness and reinforcement, saves engineering investment.

The invention relates to the technical field of hydroelectric power generation engineering, in particular to a design method and a structure of a separated flip flow energy dissipation facility, which creatively constructs a circle layer mode of a core circle, a spallation circle, an emulsification circle and an atomization area of a flip flow tongue spallation section by analyzing the characteristics of the flip flow tongue running in the air. A spallation circle layer division standard is provided, numerical simulation calculation, model test and engineering prototype observation results are combined, an emulsification circle of the flip bucket is included in a flip bucket inner side boundary control range, and a core circle and a spallation circle of the flip bucket are included in a flip bucket impact area control range. Establishing an area fitting calculation formula of the emulsification ring of the deflecting water tongue and the impact area of the deflecting water tongue; a release structure and a downstream flip flow energy dissipation facility body are creatively arranged in a separated mode, the separated flip flow energy dissipation facility structure is provided, the spatial layout required by a flip flow water tongue is met, engineering measures of a separation area can be greatly reduced, and engineering investment is reduced.

A deformation control method for newly-built structure above rail transit operating tunnel, which is combined with adjustable axial force anchor cable and pipe roof core control system, has mature technology and can be completely implemented on site with little operation difficulty. The method realizes active and fine adjustment of anchor cable axial force, provides data feedback combined with monitoring points on the operating tunnel floor, track and side wall, and can adjust the vertical deformation of existing line in real time, so that the rail transit structure is always in the optimal state, which cannot be achieved by the existing overpass scheme. The method makes it possible to overpass the operating tunnel in small distance and long distance, and realizes the effective combination of active control system, foundation pit support and permanent protection system of anchor cable. The shaft provides space for pipe roof construction and anchor cable installation, and also serves as the retaining structure of the new structure foundation pit. After the construction is completed, the shaft top is sealed to realize the permanent protection of the anchor cable device, and the entire system is effectively connected, reducing the project investment.

This utility model provides a fully gravity-fed drainage structure for a switchyard, belonging to the field of water conservancy and hydropower technology. It includes a switchyard site, and a relay protection building and a GIS building respectively installed on top of the site. Both the relay protection building and the GIS building have basements for cable laying at their bases. The two basements are connected by a cable corridor. A site drainage ditch is installed around the outer perimeter of the switchyard site, and an indoor drainage ditch is installed around the inner perimeter of the basements. A corridor drainage ditch is installed inside the cable corridor, and a collection well is also installed in the basement of the GIS building. This utility model, through its gravity-fed and centralized drainage design, solves the problem of flooding caused by water pumps used for drainage when indoor water seepage occurs, especially in cases of pump equipment failure or power outage.

The application discloses a vertical roller mill and a machine-made sand production system, and relates to grinding equipment technology. The roller mill comprises a grinding part, wherein a grinding disc and a grinding roller constitute part of the grinding part. The roller mill comprises a pre-milling part and an adaptive material blocking adjusting part. The pre-milling part is composed of a feeding center shaft and milling units, and the feeding center shaft is located above the grinding disc. The N milling units are uniformly distributed around the feeding center shaft, and the pre-milling part of the milling units is in contact with the grinding end face of the grinding disc. The adaptive material blocking adjusting part comprises a rocker seal frame, a material blocking device and a linkage assembly. The rocker seal frame serves as a grinding roller support and is installed on the roller mill rack. The material blocking device comprises a fixed material blocking device and a sliding material blocking device combined with the fixed material blocking device through vertical movement, and the two devices jointly form a surrounding blocking structure. The linkage assembly connects the rocker seal frame and the sliding material blocking device, so that the rocker seal frame drives the sliding material blocking device to move upwards through the linkage assembly. Through the technical innovations, the performance of the vertical roller mill is comprehensively improved.

The invention discloses a gas-liquid separation and associated gas purification treatment integrated device for an oil field, and belongs to the technical field of oil field ground process gathering and transportation equipment. Comprising a gas-liquid separation unit used for carrying out primary gas-liquid separation on a mixed solution in a tank body; the air cooling unit is used for carrying out condensation and secondary gas-liquid separation on the separated gas; the filtering unit is used for filtering the condensed gas; and the sun-shading unit is used for shading the condensation unit. Compared with the prior art, heating, gas-liquid separation and gas purification are integrated, one device is used for replacing the function which needs to be completed by two devices originally, the technological process is shortened, meanwhile, the engineering investment is reduced, and skid-mounting and modularization are achieved.

This utility model belongs to the field of engineering construction technology, specifically relating to a tie rod device for enhancing the stability of temporary lattice columns in foundation pits. It includes: a support structure with pre-reserved tie rod connecting steel bars inside; two lattice columns installed in the foundation pit, each with a lattice column foundation at its bottom; channel steel located between the two lattice columns, with both ends welded and fixed to the corresponding connecting plates on the lattice columns; multiple tie rods installed in the foundation pit, with both ends connected to the support structure and the lattice columns; and turnbuckles on the tie rods, with the end closest to the support structure welded and fixed to the pre-reserved tie rod connecting steel bars. This utility model utilizes tie rods to connect the lattice columns and the support structure, effectively solving the problem of excessively long internal support calculations that fail to meet stability calculation requirements. It also offers good economic benefits and has promising market application prospects.

The invention discloses a gravity energy storage system of a wind power tower, a control method of the gravity energy storage system, equipment and a medium, and relates to the technical field of renewable energy source grid connection and mechanical energy storage. The system comprises a tower supporting structure, an energy storage mass module, a traction module, a winding drum-electro-mechanical conversion module, a power conversion and protection module and a monitoring and communication module. The energy storage mass module is suspended on a vertical axis in the tower drum supporting structure through the traction module and is connected with the winding drum-electromechanical conversion module through the traction module, and the winding drum-electromechanical conversion module is arranged at the top of the tower drum supporting structure; and a motor of the winding drum-electro-mechanical conversion module is connected with the traction module. Through the combination of a tower built-in gravity energy storage structure and a rapid control strategy, tower resonance and vibration can be suppressed, the frequency change rate of a power grid is reduced, and the operation stability and reliability of a wind turbine generator and a power system are improved.

The application discloses a design method of a cooling tower air separation device, the cooling tower air separation device and the cooling tower, and relates to the technical field of cooling towers. The design method comprises the following steps: determining the configuration scale of a cooling tower body; determining the spacing between an air separation plate and a cooling tower shaft well, the air separation plate being arranged in an air inlet area inside the cooling tower body; determining the spacing according to the natural wind speed, the dominant wind direction and the configuration scale of the cooling tower body, and optimizing the spacing according to the packing stability under the natural wind; and determining the spacing between the air separation plates according to the wind load force distribution of the air separation plate, so as to arrange a support structure between the air separation plates, under the optimized spacing between the air separation plate and the cooling tower shaft well. The natural wind in the air inlet area is redistributed by arranging non-continuous air separation plates in the air inlet area, the air flow field state of the air inlet area is adjusted, the resistance of the natural wind passing through the air inlet area is increased, the draught is avoided, the flow field distribution of the packing area under the natural wind is more uniform, and the influence of the natural wind on the thermal performance of the cooling tower is reduced.

The utility model provides a novel column type delineator device easy to replace, and relates to the field of road maintenance construction. The device mainly comprises a column type delineator, a built-in stand column lifting clamping piece, a stand column lifting clamping piece clamping face, a stand column lifting clamping piece nut, a stand column lifting clamping piece bottom plate reserved hole, an inner side convex rubber sealing gasket, a delineator stand column outer sleeve column, a flange plate, a flange plate fixing screw and a stand column lifting clamping piece screw rod. According to the novel column type delineator device easy to replace, when the delineator is damaged, the damaged delineator stand column can be taken out of the delineator stand column outer sleeve column in time; the requirements for accelerating the construction progress, achieving the protection effect in the first time, reducing the repeated investment of the reinforced concrete foundation and reducing carbon emission are met, and the structure is reasonable in design and has the advantages of being high in innovativeness and practicability and high in popularization value.

This invention discloses a slope-following drainage system and drainage and construction method for the high-end portal of a single-slope tunnel. When the high-end portal of a single-slope tunnel passes through soluble rock or highly water-rich areas, slope-following construction is generally required. This invention includes a main cross tunnel construction section and a secondary cross tunnel construction section for the main tunnel portal requiring slope-following construction. One end of the main cross tunnel connects to the lowest point of the main tunnel section requiring slope-following construction, and the other end connects to a short inclined shaft and a drainage tunnel. One end of the secondary cross tunnel connects to the lowest point of the secondary cross tunnel construction section of the main tunnel, and the other end connects to the middle position of the main cross tunnel. One end of the short inclined shaft connects to the main cross tunnel and the drainage tunnel, and the other end is a surface inclined shaft opening. One end of the drainage tunnel connects to the main cross tunnel and the short inclined shaft, and the other end is a surface drainage tunnel opening. This invention utilizes a combination of cross tunnels, drainage tunnels, and short inclined shafts for construction. The connection between the cross tunnels and the short inclined shafts enables material transportation and construction ventilation, and the drainage tunnel serves as a drainage outlet, thereby achieving slope-following construction of the high-end portal.

This utility model relates to the field of circulating cooling water technology and discloses an arrangement structure of a circulating cooling water system, including a first cooling tower row and a second cooling tower row arranged at intervals; a circulating water pump station is set at the interval between the first cooling tower row and the second cooling tower row, and a vertical diagonal flow pump is installed in the circulating water pump station, and a water suction pool is set at the bottom of the circulating water pump station; a structural column is set at the end of the first cooling tower row and the second cooling tower row facing the circulating water pump station, and a maintenance lifting device for hoisting the equipment of the circulating water pump station is installed on the structural column. This optimizes the spatial layout, improves the space utilization rate of the circulating cooling water system, and uses the existing structural columns at both ends of the long axis of the cooling tower row as the support points of the lifting track. The top elevation of the first and second cooling tower water collection pools and the pump station water suction pool is reduced to be level with the ground, thereby reducing the overall elevation of the circulating cooling water system.