59results about How to "Quick import" patented technology

The invention discloses an existing building outer wall internal and external heat insulation energy consumption optimization method based on a building model, and belongs to the technical field of building design. In order to solve the problems of insufficient data comprehensiveness and incomplete thermal insulation scheme evaluation, the thermal insulation performance of a building can be evaluated more accurately by checking an outer wall structure on site, recording material types, damage degrees and the current situation of a thermal insulation layer and combining scientific methods such as thermal resistance testing and heat transfer coefficient measurement; digitization and visualization of building information are achieved through the BIM technology, historical energy consumption data are collected from multiple data sources and systematic arrangement and classification are carried out, the readability of the data is improved, rapid import and analysis can be conveniently carried out in energy consumption simulation software, and therefore the energy consumption condition of a building is reflected more accurately; according to the method, comprehensive coverage of multiple possibilities is achieved, the influence of different heat preservation schemes on energy consumption can be evaluated more comprehensively, differentiated design is conducted on the thickness of the heat preservation layer based on the energy consumption simulation result, and the heat preservation performance of a building is effectively improved.

The invention discloses a large model KV cache rapid storage and import acceleration architecture, and relates to the field of FPGA. The architecture comprises a CPU, an accelerator, an FPGA, a memory, an external memory and a memory. In the query stage, the CPU determines a data query task according to the input lexical elements and controls the FPGA to start the data query task; the FPGA queries and imports model cache data into the memory according to the external memory; in the reasoning stage, the accelerator conducts reasoning and outputs a reasoning result based on the model cache data; and the FPGA reads the updated model cache data from the memory according to a control instruction of the CPU, and exports the updated model cache data to an external memory. According to the scheme, the KV Cache technology is used for reducing the number of times of reasoning repetition of a large model, the hash calculation, table lookup and query access technologies are used for enabling data to be more rapidly imported and exported, and the result output speed is further increased. Not only is the application scene widened, but also data backup and transfer are facilitated.

The present invention relates to the technical field of carbonization rotary furnaces, specifically to an activated carbon carbonization rotary furnace, comprising: a rotary furnace drum, a drive seat, a coaxial drive assembly, an adjustment shaft disc and a stirring and guiding assembly, wherein the coaxial drive assembly is fixedly mounted on the surface of the drive seat for driving the rotary furnace drum to rotate, the adjustment shaft disc is rotatably mounted on one side of the inner cavity of the rotary furnace drum, and the coaxial drive assembly comprises a gear box, a transmission seat, and an outer sleeve and an inner shaft core rotatably mounted on one side of the gear box. In the present invention, by setting a new rotary stirring structure, the activated carbon inside the rotary furnace is guided by controlling the deflection angle of the guide strip under the drive of the adjustment shaft disc, and the activated carbon can be uniformly stirred by the reciprocating motion of the guide strip during the rotation of the rotary furnace drum, thereby ensuring uniform carbonization of the activated carbon and effectively avoiding the material sticking to the wall inside the rotary furnace drum and the siltation and blockage problem between adjacent guide strips.

The invention discloses a data importing method and device, computer equipment and a computer readable storage medium. The method comprises the steps of generating a first SQL statement according to parameters of an import task of a preset database and a template of the import task, and filling a preset array variable with the first SQL statement; establishing connection with the database to obtain a cursor object for operating the database; generating a target date partition name set and a target date partition value set of the imported task in the template; based on the cursor object, querying a database according to the target date partition name set and the target date partition value set to obtain a target column name set of a target import table of the import task; and according to the array variable, the target date partition name set, the target date partition value set and the target column name set, the import task is generated, and the import task is input into the database, so that a large batch of data is rapidly imported into the database, and the efficiency of importing the data into the database is improved.

The invention discloses an asphalt flue gas treatment and purification device, and relates to the technical field of gas separation and filtration, the asphalt flue gas treatment and purification device comprises a rack, the rack is communicated with a water tank used for storing water, the water tank is provided with an electromagnetic valve, and one side, close to the water tank, of the rack is fixedly connected with axially distributed guide plates; the rack is communicated with a heating box used for heating water. Water is heated through heat of asphalt smoke to form hot water vapor, so that dispersion particles in the asphalt smoke are more effectively captured and absorbed, most of the dispersion particles are combined with high-temperature water mist to form large water drops, then the large water drops are settled, smoke is further purified, and in addition, through the high-temperature water mist purification mode, the smoke purification effect is improved. Not only can the loss of heat energy be reduced, but also the loss of water resources can be reduced, so that the purification of the asphalt flue gas is more efficient, energy-saving and environment-friendly.

A stratified soil sampling device, relating to the technical field of soil sampling equipment, includes a positioning outer cylinder and a sampling inner cylinder rotatably installed within it. The positioning outer cylinder is equipped with a supporting base plate, a supporting top plate, and a transparent observation window. Three sets of auxiliary support frames are hinged to its outer periphery, working in conjunction with positioning pins to achieve stable positioning. Above the supporting top plate are a telescopic cylinder, a triangular lifting plate, and a transmission mechanism, driving the sampling inner cylinder to rotate and providing downward pressure. The lower end of the sampling inner cylinder is equipped with a soil-breaking cutting edge, and the internal sampling shaft drives a rotary blade to cut the soil. The sampling inner cylinder has a dispensing port, and the positioning outer cylinder has a dispensing limit seat. The supporting base plate has a discharge port and a baffle. This device provides stable positioning, efficient sampling, and allows for direct observation of soil stratification through the observation window. It enables independent collection of samples from different soil layers and facilitates convenient storage, effectively solving problems such as tilting, slow sampling, and sample mixing in existing devices. It is suitable for soil monitoring, geological surveys, and other scenarios.

The utility model relates to the technical field of mine exploration equipment, in particular to mine geological exploration equipment which comprises an exploration equipment body, the exploration equipment body comprises a box body, and an arc-shaped groove which is concave inwards is formed in the lower portion of the front face of the box body. The upper portion of the rear face of the box body is in a slope shape, the upper portion in the box body is a crushing bin, the lower portion in the box body is a collecting bin, and connecting square boxes with the upper top ends in an opening shape are correspondingly installed on the two sides of the front face of the collecting bin. Vertical plates are correspondingly arranged on the two sides of the front face of the connecting square box, and a shovel plate mechanism is installed between the upper portions of the inner walls of the two vertical plates. A gear transmission mechanism is mounted on one side surface of the shovel plate mechanism; the mining geological material guiding device has the advantages that the shovel plate mechanism is driven by the motor to work, a geological sample material is overturned and poured into the box body, is subjected to further multi-stage crushing by the crushing mechanism and then is guided into the collecting bin at the lower part in the box body, so that the mining geological material is rapidly guided into the sampling barrel, and the mining geological material guiding device is high in speed, convenient and rapid in sampling, high in efficiency and the like.

The utility model relates to the technical field of plastic cleaning equipment more specifically, relate to a kind of plastic broken material cleaning device, including cleaning jar, cleaning jar is equipped with feed inlet, still including rotating mechanism, several material bins, material bin is located in the cleaning jar, and material bin is connected with the rotating drive end of rotating mechanism, and material bin is equipped with the communication structure for being connected with the interior of cleaning jar communication.The utility model is convenient to use, can reduce the generation of plastic fragments and powder in the cleaning process, improve the plastic yield after cleaning.

The utility model relates to the technical field of carding equipment, and discloses a cooling device for plastic catering cup production, which comprises a device main body, bases are fixedly connected to four corners of the outer bottom end of the device main body, and a connecting seat is arranged in the device main body. A connecting assembly providing stable supporting is arranged between the connecting base and the inner wall of the device body. According to the cooling device for plastic catering cup production, by arranging the rotating table, the limiting plates, the fastening bolts, the connecting bases, the baffles, the sliding rails, the sliding bases and the fixing plates, the firmness between the connecting bases and the inner wall of the device body during cooling is ensured, the connecting bases are effectively prevented from shifting, cooling uniformity is ensured, and the service life of the device is prolonged. The problems that equipment is inconvenient to place a mold in a device, the mold is easy to move due to no fixing force in the cooling process, the cooling effect is reduced, and meanwhile cooling is uneven due to long-term cooling of one face are solved.

This application discloses a temperature-controlled mold for producing daily necessities, relating to the field of mold technology. It includes a mold housing and a replacement mechanism. The replacement mechanism is located inside the mold housing and includes an installation component, a cooling component, a heating component, and a lifting component. The installation component is located on the inner side of the mold housing, and the cooling component is located inside the mold housing. A power component drives the lifting frame to move up and down, thereby quickly replacing the oil inside the production mold. This reduces the time required for cooling or heating the mold, making it more convenient for users. Through the replacement mechanism, the installation component is used to produce daily necessities, the cooling component quickly cools the installation component, the heating component quickly heats the installation component, and the lifting component separates the cooling and heating oil, facilitating rapid temperature adjustment of the mold and meeting user needs.

The utility model provides an anti-static device for coal mine electrical equipment, and belongs to the technical field of static prevention and control. Comprising a main arm, clamping plates are arranged at the two ends of the main arm, an adjusting assembly for adjusting the distance between the clamping plates is arranged on the main arm, the clamping plates are distributed towards the side of the main arm, a conductive plate is fixed to the face, facing the clamping plates, of the main arm, a conductive piece is vertically arranged on the main arm and makes contact with the conductive plate, and the conductive piece is movably assembled on the main arm. The conducting strip is in sliding contact with the conducting plate, and the main arm is provided with a pressing piece for adjusting the height of the conducting strip. According to the utility model, a conductive path is formed between the electrical equipment and the ground or the wall surface, so that static charges on the surface of the electrical equipment can be quickly guided into the ground, static accumulation is avoided, the safety of the equipment and personnel is protected, the flexibility and the adaptability are higher, a clamping assembly mode is adopted, the assembly and disassembly are easy, and the repeated utilization can be realized.

This invention relates to the field of functional filtration materials technology, specifically to a gradient interlocking knitted-woven composite filter cloth. It comprises a woven dual-pore structure superoleophilic and oil-guiding surface layer, a knitted three-dimensional fluffy structure superoleophobic filter core layer, a conductive electret transition layer with a textured surface that eliminates static electricity and adsorbs fine oil mist, and a woven continuous microgroove structure superoleophobic and oil-draining bottom layer. These four layers are composited from top to bottom, forming an interlocking weave structure. The pore size of the filter core layer decreases gradually from top to bottom, while the pore size of the oil-draining bottom layer increases gradually from top to bottom. The overall pore size of the filter cloth first decreases gradually from top to bottom, then increases gradually. This filter cloth achieves graded and precise filtration through multi-layer composite structure and gradient pore size design. The interlocking weave structure enhances the overall structural stability, while also possessing multifunctional properties such as directional oil guidance and drainage, conductive electret antistatic properties, and more.

The invention discloses a momordica grosvenori active component extraction and concentration device which comprises a bottom shell, a second fixing disc, an inner pipe and a rotating rod, the top of the bottom shell is in bolted connection with a middle shell, the top of the middle shell is in bolted connection with an upper shell, and the top of the upper shell is in bolted connection with a top cover; an electric heating rod is installed at the bottom of the inner side of the bottom shell, and a liquid level meter is fixed to the inner wall of one side of the bottom shell. According to the invention, the electric heating rod and the circulating pump are arranged, and during heating concentration, the circulating pump drives raw materials to circularly flow in the bottom shell, so that the raw materials uniformly contact with the electric heating rod during flowing, the time that the raw materials in unit volume contact with the electric heating rod is shortened, inactivation of active components caused by local overheating is avoided, and the use safety is improved.

The present application discloses a floor brush for a vacuum cleaner and a vacuum cleaner, which belongs to the technical field of floor cleaning equipment, and solves the problem in the prior art that the particles introduced by the front roller brush and the particles introduced by the rear roller brush collide at the entrance of the suction port and cannot be quickly introduced into the suction port. The floor brush for a vacuum cleaner of the present application includes a shell, and a front roller brush, a rear roller brush, a suction cavity and a suction baffle arranged in the shell, and the suction cavity is located between the front roller brush and the rear roller brush; along the direction from the front roller brush to the rear roller brush, the suction baffle divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity. The floor brush for a vacuum cleaner and the vacuum cleaner of the present application can be used for cleaning surfaces.

The invention discloses a computer data line transmission manufacturing device, and relates to the technical field of data line manufacturing, the computer data line transmission manufacturing device comprises a base example, the top of the base example is fixedly connected with a first fixing rod, the side wall of the first fixing rod is provided with an adjusting assembly, and the adjusting assembly comprises an electric telescopic rod fixedly connected to one side wall of the fixing rod; the output end of the electric telescopic rod is fixedly connected with a rotating column, the outer side of the rotating column is rotationally connected with a connecting plate, and the angle of the part, entering the arc-shaped rubber plate, of the wire core can be adjusted through the arrangement of an adjusting assembly, so that the hinging tension at different angles is different; a worker does not need to manually adjust the angle between the wire core of the computer data wire and the part entering the arc-shaped rubber plate, the adjustment time is greatly saved, the data wire can be quickly guided into the arc-shaped rubber plate according to the preset angle in the cabling process of the computer data wire, the whole production process is smoother, and the production efficiency is improved. Therefore, the production efficiency of the computer data line is obviously improved.

The present invention discloses a distributed system modeling method, apparatus, equipment, medium and program product. The method comprises: obtaining benchmark description information of a target large model to be distributed modeled and cluster information of a distributed cluster for deploying the target large model; determining a target distributed parallel scheme when deploying the target large model in a distributed cluster from multiple alternative distributed parallel schemes according to the benchmark description information and the cluster information; and obtaining system performance analysis results when deploying the target large model in a distributed cluster according to the target distributed parallel scheme from three dimensions of operator-level cost, device-level cost and cluster-level cost according to the target distributed parallel scheme. The technical solution of the embodiment of the present invention provides a standardized distributed modeling solution that meets various distributed deployment and performance evaluation requirements.

This invention relates to the field of PCB manufacturing technology, specifically disclosing a PCB drilling method based on differentiated processing of the same hole diameter. The method includes the following steps: acquiring hole position information and integrating measured data from the board surface for condition prediction; assigning virtual tool diameter codes to different hole positions according to the evaluation results and coordinating manufacturability for high-risk hole positions; using codes to drive two-layer parameter decision-making, generating Pareto optimal parameters through multi-objective optimization; during processing, decoupling thermo-mechanical-vibration interaction errors in real time through a multi-source sensor fusion model and generating multi-dimensional compensation instructions; and finally, achieving self-learning directional fine-tuning and iterative closed-loop of processing parameters through the linkage analysis of online hole wall quality assessment and tool life prediction. This invention achieves comprehensive intelligent processing from inter-hole differentiated parameter matching to dynamic precision feedback control within the hole, significantly improving hole wall quality and processing efficiency while effectively reducing overall processing costs, and has good industrial promotion value.

The present invention discloses a method for reconstructing and modeling archaeological cultural relics and managing data, specifically: using a three-dimensional scanner to scan the cultural relic model, during scanning, adjusting the rotation speed of the horizontal turntable according to the size of the cultural relic model, rotating the cultural relic model at a uniform speed for one circle, then turning the cultural relic model upside down and rotating it again for one circle to scan, and obtaining the completed three-dimensional scanning model data; importing the data measured by the three-dimensional scanner into a computer in real time, reconstructing the cultural relic data, obtaining a complete 3D model of the cultural relic, and generating 2D drawings required for the archaeological report according to the completed 3D model of the cultural relic; and systematically managing the archaeological excavation archives of the cultural relic model, the 3D model of the cultural relic and the 2D drawings. The present invention solves the defects of the prior art that long-term manual scanning is required and the data is unstable, and at the same time solves the problem of integrating and processing a large amount of cultural relic data.

The utility model relates to saw dust collection technology field, and disclose a saw with dust collection function, include: cutting main part subassembly, include: cutting saw main part, cutting saw main part is saw core work part, is used for realizing cutting operation, the cutting operation end outside of assembling in cutting saw main part, the air guide hole of going through is set up on the protective cover, is used for guiding the dust and small particle that cutting produces, clamping frame, fixedly connected in the protective cover outside, and the air duct one end with the air guide hole on the protective cover is corresponding setting, is used for transmission dust and small particle, this saw with dust collection function, dust collection efficient and prevent leakage: through micro blower in dust collection box produces suction, cooperation air guide hole, the corresponding setting of air duct, can quickly cut the dust and small particle that produces with the cutting into the collection box, realizes dust efficient collection, simultaneously, the air duct is connected with the air guide hole place and sets up sealing washer, can effectively prevent dust leakage in transmission process, guarantees the clean work environment.

The utility model provides a high-precision electrode for transcranial nerve stimulation, the high-precision electrode for transcranial nerve stimulation comprises an upper shell, a lower shell matched with the upper shell and an electrode, the bottom of the lower shell is provided with a cavity, the inner wall of the cavity is provided with a clamping groove, and the electrode is embedded in the clamping groove. The high-precision electrode for transcranial nerve stimulation has the advantages of being simple in structure, convenient to use, high in stimulation precision and obvious in stimulation effect.

A transdermal water-light drug delivery therapeutic apparatus relates to the technical field of beauty medical instruments and comprises a therapeutic apparatus body which comprises a shell; the medicine bottle comprises a bottle body; the connecting assembly comprises an assembling part fixedly arranged at the liquid inlet of the shell in a communicating mode and a connecting part arranged at the bottle opening of the bottle body in a sleeving mode, and a clamping part is arranged on the connecting part; the connecting piece at the bottle opening of the bottle body containing the nutrient solution is inserted into the assembling piece, then the bottle body is rotated, the clamping piece and the assembling piece are rotationally clamped, the bottle body and the shell are fixed, and the bottle body can stably supply the nutrient solution into the shell; the therapeutic apparatus is simple and convenient to operate, nutrient solutions can be rapidly guided into the shell, nutrient solution waste is avoided, different nutrient solutions can be conveniently replaced, the nutrient solution guide-in speed and the use efficiency of the therapeutic apparatus are improved, the effect of transdermal drug delivery can be achieved by using the therapeutic apparatus, and damage to the skin is small.

The utility model relates to the technical field of demisters, and provides a tube bundle type efficient demister with a converging groove, which comprises a tube shell, a cover plate fixedly connected to the top of the tube shell, a gas inlet component arranged at the top of the cover plate and used for guiding flue gas into the tube shell, a mesh plate fixedly connected to the top end of the inner side of the tube shell, and a demisting mechanism arranged below the mesh plate, the demisting mechanism comprises a flow guide hopper fixedly connected to the inner wall of the pipe shell, demisting fan blades are arranged on the inner side of the flow guide hopper, a driving piece for driving the demisting fan blades to rotate is arranged at the bottom end of the pipe shell, and a plurality of confluence grooves are formed in the inner wall of the flow guide hopper and distributed around the flow guide hopper at equal angles. And a collecting piece for collecting liquid drops is arranged at the bottom of the flow guide hopper. By means of the confluence groove, flowing dispersed liquid drops can form large-size liquid drops, meanwhile, the large-size liquid drops can rapidly flow downwards along the confluence groove and are finally collected through the collecting piece, the whole structure can achieve rapid guiding-out of the liquid drops in smoke, and the purification efficiency is greatly improved.

The utility model discloses a guide device for a drill rod of a directional drilling machine, which relates to the technical field of guide of drill rods and comprises a guide device. The guiding device is composed of a shell, a rotating fluted disc and a fixing base, the fixing base is installed in the middle of the interior of the shell, a large bearing is installed in the rotating fluted disc and installed on the outer side of the fixing base, and connecting rods are rotatably installed on the periphery of the outer side of the rotating fluted disc. And one end of the connecting rod is rotationally installed on one side of the rotating plate, one end of the rotating plate is rotationally installed on the upper side of the fixing base, and the other end of the rotating plate extends into the hollow position of the shell and is rotationally provided with a limiting roller at the upper end. The drill rod limiting device is driven by the power mechanism to rotate when in use, the limiting rollers can be quickly adjusted, the drill rods can be limited in all directions when the multiple limiting rollers are used at the same time, and meanwhile the positions of the drill rods with different diameters can be limited by adjusting the positions of the limiting rollers.

The invention discloses a data file import method and device, a program product and electronic equipment, and relates to the field of financial science and technology or other related fields, and the import method comprises the steps of obtaining an application file of a target application, processing the application file to obtain a plurality of texts, creating a data job for each text, and creating a data job for each text; and asynchronously executing the data operation by adopting the distributed nodes, and importing the text into a preset data table in a preset database. According to the method and the device, the technical problem that the speed of importing the data file is relatively low in the prior art is solved.

The present invention discloses a graph-based BIM data storage management method, comprising constructing a data structure based on a multi-level graph, wherein the first-level graph is used to represent the overall architecture of different projects in the BIM model, the second-level graph is used to present the structural relationship between different partitions in each project, and the third-level and lower-level graphs are used to carefully depict the entities in the partitions and their mutual relationships; a unique identifier with a timestamp and a version number is assigned to each entity in the BIM data, and the identifier is associated with detailed attribute information including geometric information, material properties, construction technology, etc. and stored; a graph algorithm, such as a graph neural network algorithm based on deep learning, is used to deeply analyze and process the complex relationships in the BIM data to achieve efficient data query, update and prediction operations; the present invention can accurately represent the complex relationships and hierarchical structures in the BIM model by constructing a multi-level graph data structure, facilitates rapid positioning and operation of data, and significantly improves the efficiency of data storage and management.

The invention relates to the technical field of rapeseed oil production, in particular to a rapeseed oil degreasing device. The invention provides a space-saving type automatic feeding rapeseed oil degreasing device. A rapeseed oil degreasing device comprises a centrifugal oil filter and further comprises a heating bin, a material bin, a pump a, a feeding pipe and the like, the heating bin is fixedly connected to the upper portion of the centrifugal oil filter and communicated with the centrifugal oil filter through a pipeline, the material bin is arranged in the centrifugal oil filter, one end of the feeding pipe is located in the material bin, and the other end of the feeding pipe is connected into the heating bin. The middle of the feeding pipe is connected with a pump a. Rapeseed oil is heated and stirred through the longitudinally arranged heating bins, the rapeseed oil degreasing efficiency is improved, the rapeseed oil degreasing production space is greatly saved, brine in the material bin is pumped into the heating bins through the pump a, the manual feeding procedure is reduced, the automation degree of the device is improved, and meanwhile the production danger is reduced.

The utility model provides a high-purity graphite filter-press separation device with a spiral guide plate, which belongs to the technical field of graphite processing, and comprises a filter-press cavity, a spiral extrusion component is arranged in the filter-press cavity, the filter-press cavity comprises a feed end and an output end, and the feed end and the output end are communicated with each other. One end of the output end is movably connected with a filter box through a guide rod, a filter tank is arranged in the filter box, an inclined liquid guide channel is arranged at the bottom of the filter tank, a liquid collecting tank is arranged at the bottom of the filter pressing cavity, the filter tank is detachably connected with the filter box, and a liquid discharge pump is arranged in the liquid collecting tank; the spiral extrusion assembly comprises a spiral guide plate and a motor, the output end of the spiral guide plate is fixedly connected with a center shaft, the motor is arranged outside the center shaft, and the other end of the center shaft is movably connected with the fin connecting seat; according to the utility model, the problem of high water content of a filter cake caused by short flow guide path and incomplete solid-liquid separation can be solved.

The invention relates to the technical field of speed reducer shells, and provides a buffering and anti-leakage speed reducer shell which comprises a shell body, bearings are fixedly connected to the two ends of the shell body, a shaft body is rotationally connected between the two bearings, an oil return mechanism is arranged at the bottom end of the shell body, and the oil return mechanism comprises an oil return box fixedly connected to the bottom of the shell body. One end of the top of the oil return tank is provided with an oil return groove communicated with the interior of the shell, one end of the inner side of the oil return tank is fixedly connected with an inclined flow guide seat, and the bottom end of the flow guide seat is provided with a filter part; one end of the oil return box is provided with a negative pressure piece which is matched with starting of the cleaning assembly to guide engine oil in the oil return box into the shell. Engine oil is guided into the oil return box through the oil return groove and then guided into the filtering piece through the flow guide base to be filtered, impurities mixed in the engine oil are filtered out, and the problem of oil leakage caused by mechanical abrasion of a shaft body due to the impurities of the engine oil is solved.

The utility model discloses a kind of clamping jack and its whole bundle cable threading machine, it is related to the steel strand cable threading technical field of construction, bridge cable-stayed cable construction engineering, it includes cylinder body and piston rod of one end sliding connection in the cylinder body and the other end stretches out the cylinder body outside, the end of the cylinder body that stretches out piston rod is connected with barrel clamping head, steel strand transmission channel is radially equipped in the middle of this clamping head, the piston rod stretching out end is connected with clamping fork, the clamping fork is installed in the movement channel that is axially equipped in the clamping head, the clamping head is installed with steel strand inductor, compared with prior art, the utility model realizes accurate clamping to steel strand, improve the friction with steel strand, avoid the cable threading slip, can improve the reliability of steel strand compression, also can be used for cable threading different specifications whole bundle steel strand, improve the applicability of cable threading machine.

The utility model discloses a ground self-hidden emergency drainage system for the periphery of a building, and relates to the technical field of building water supply and drainage. A plurality of wall downpipe bodies are connected and then connected with the downwell body, the drainage groove frame is laid in a drainage groove on the ground, the groove frame supporting plate is installed on the drainage groove frame, one end of the drainage groove frame is connected with the downwell body, a drainage main pipe is arranged on the lower side of the drainage groove frame, one end of the drainage main pipe is connected with the downwell body, and the other end of the drainage main pipe is connected with the downwell body. The bottom of the drainage groove frame is connected with the upper end of the drainage main pipe through a connecting pipe. A one-way valve is installed at the inner upper end of the connecting pipe. The drainage channel frame is connected with the drainage main pipe, rainwater in the drainage channel frame can enter the drainage main pipe, and the one-way valve body is installed in the connecting pipe, so that water in the drainage channel frame can only enter the drainage main pipe and cannot enter the drainage channel frame, and the interior of the drainage channel frame is not prone to water beaches.