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33results about How to "Solve the problem of not being able to connect" patented technology

Connection method of high-rise steel structure steel column base and bottom plate reinforcing steel bar

The invention relates to a connection method of a high-rise steel structure steel column base and a bottom plate reinforcing steel bar, which comprises the following steps of: welding horizontally arranged reinforcing ring plates on the steel column base, wherein outer edges of the ring plates are rectangular, and a bar penetrating hole is arranged in a plate surface; welding reinforcing steel bar connectors on the end edges at the four sides of the reinforcing ring plates, wherein grooves are arranged on one group of corresponding sides of the four sides of the reinforcing ring plates; welding the reinforcing steel bar connectors through inserting reinforcing steel bars into the grooves; welding the reinforcing steel bar connectors at the other group of corresponding sides through a welding upright plate, wherein the reinforcing steel bar connectors on the two groups of corresponding sides are staggered with each other; transporting steel columns welded with the reinforcing ring plates and the reinforcing steel bar connectors to a construction site; processing external threads on the reinforcing steel bar end heads on the top layer of the bottom plate, and then screwing and connecting the reinforcing steel bar end heads with the reinforcing steel bar connectors to complete the connection of the steel column base and the floor reinforcing steel bar. The invention solves the problem that the site reinforcing steel bars cannot be connected with the steel columns, avoids reserved counterbores without secondary pouring, improves the efficacy and also improves the integral stress performance of the bottom plate and the steel columns.
Owner:CHINA 22MCC GROUP CORP

Multi-adaptive black-start apparatus

The invention discloses a multi-adaptive black-start apparatus. The apparatus supports IEC61850, MODBUS, 104, and IEC61970 communication protocols, and solves the problem that systems under different protocols among different power plants in black start cannot be interconnected. The apparatus comprises a main control board, a communication board, an AD board, an input board, an output board and a man-machine interface. Under a normal condition, power grid data is read from an SCADA system; when a power plant system is in failure, the apparatus obtains the power grid data from the AD board; the output board controls the relay, so that the problem of black-start failure caused by other system faults is solved; the main control board is the logic processing center; the communication board is the core of the apparatus and external communication; the AD board is the hardware core for obtaining the power grid data of the system; the input board monitors the opening/closing states of the relay; the output board controls the opening/closing states of the relay; by adoption of the apparatus, the self-starting of the power plant under a condition of being disconnected from the power grid can be realized; and in addition, the apparatus can adapt multiple communication protocols and multiple onsite conditions, so that the economical efficiency, rapidness and stability of the power plant black start are improved.
Owner:SOUTHEAST UNIV

Installing node of outer hanging plate and assembling method thereof

The invention relates to an installing node of an outer hanging plate and an assembling method thereof. The installing node of the outer hanging plate comprises the outer hanging plate, a wall body and a hanging-connecting piece. The outer hanging plate comprises an up-and-down arranged upper outer hanging plate and an up-and-down arranged lower outer hanging plate. The hanging-connecting piece comprises a hanging-connecting plate and a connecting plate, and a first connecting part and a second connecting part are correspondingly arranged at the upper end and the lower end of the hanging-connecting plate. One end of the connecting plate is connected with the middle of the hanging-connecting plate, and the other end of the connecting plate is provided with a fixing piece. The included angle between the connecting plate and the upper parts of the hanging-connecting plate is an acute angle. The fixing piece is fixedly connected with the wall body, and the first connecting part and the second connecting part are correspondingly connected with an upper outer wall plate and a lower outer wall plate through the connecting piece. According to the installing node of the outer hanging plate and assembling method thereof, the fact that the stress mode of a hanging piece in the prior art is mainly subjected to shearing force and bending force is changed, load of the outer hanging plate is mainly embodied as pulling force on the connecting plate, strong anti-pulling ability of steel is fully utilized, and the hanging piece cannot deform because of being subjected to shearing force and bending force, thickness of the connecting plate and the hanging-connecting plate is properly reduced, cost is saved, and economic benefit is improved.
Owner:CHINA MINGSHENG DRAWIN TECH INVESTMENT CO LTD

A car body-in-white with enhanced torsional stiffness

ActiveCN106184385BIncreased torsional stiffnessAvoid noise problems such as abnormal noiseSuperstructure subunitsClosed loopEngineering
The invention provides a torsional rigidity-strengthened vehicle body in white. The vehicle body in white comprises a back door D ring structure and a frame structure. The frame structure is of a closed loop structure and is arranged at the back of the vehicle body in white, the back door D ring structure is arranged at the tail of the vehicle body in white, and the back door D ring structure and the frame structure are connected together. According to the invention, the closed loop structure formed by connecting back baseplate beams, side wall connection plates and a back roof beam is arranged at the back of the existing vehicle body in white, thus the rigidity of the back of the body is enhanced through the dual-closed loop structure at the back of the body, the torsional rigidity of the vehicle body in white is greatly strengthened, so that the problems of severe deformation at the local part of the body and the noise of abnormal sound and the like in the running process of the vehicle are avoided, the problems of operation stability and steering behaviors due to the cracking of sheet metal parts at crucial joints of a body skeleton and in the vehicle turning running process are avoided, and the torsional rigidity-strengthened vehicle body in white has wide popularization and application prospects.
Owner:CHERY AUTOMOBILE CO LTD

Flat single-shaft multi-point transmission system

The invention discloses a flat single-shaft multi-point transmission system, which comprises nine stand columns, six main shaft square tubes, three speed reducers and a motor, wherein the nine stand columns are vertically arranged and distributed at equal intervals, the three speed reducers are arranged at the upper ends of three stand columns respectively, and supporting blocks are vertically arranged at the upper ends of the other six stand columns. The beneficial effects of the invention are that the output ends above the speed reducers drive the six main shaft square tubes to rotate and adjust, so that solar panels mounted on the plurality of mounting brackets are driven to be overturned and adjusted. According to the system, the solar panels on the plurality of mounting brackets can be driven by one motor to turn over and adjust, so that the turnover transmission efficiency of the system to the solar panels is improved, the power consumption of the system in use is reduced. In addition, the three speed reducers are connected through the six transmission shafts, and the three speed reducers can be driven to rotate synchronously only through one motor, so that the output transmission is more stable, and the power generation service life of the system is prolonged.
Owner:马鞍山经纬新能源传动设备有限公司 +1

Connecting method and connecting device for materials with different diameters

The invention discloses a connecting method and a connecting device for materials with different diameters. The connecting device comprises a connecting sleeve, a locking sheet and a reducing sleeve, wherein two ends of the connecting sleeve are respectively an equal-diameter end and a reducing end which are respectively used for connecting materials with large and small diameters, and an inner hole of the reducing end is gradually reduced from the middle to the end part; the locking sheet is arranged between the small-diameter material and the hole wall of the conical inner hole; the outer diameter of the connecting sleeve is larger than the inner diameter of the small-inner-diameter end of the reducing sleeve and smaller than the inner diameter of the large-inner-diameter end of the locking sleeve; and the reducing sleeve is used for being arranged on the connecting sleeve in a sleeving mode under the action of an external force and penetrating through the connecting sleeve in the axial direction, so that the connecting sleeve and / or the locking sheet generate radial plastic deformation, and the large-diameter material and the small-diameter material are connected together through the connecting sleeve. The problem that in the prior art, materials with different diameters cannot be connected in a high-strength mode is solved, and the device is simple in structure, convenient to use, good in stability, high in practicability and suitable for large-area application and popularization.
Owner:湖北垚尚科技有限公司

Fairlead mounting method for high teleseme

The invention discloses a fairlead mounting method for a high teleseme. The fairlead mounting method comprises the following steps: a first flange plate to be mounted at the outer side of a preformed hole of a column and at the preformed hole of an XB box is manufactured; a second flange plate to be mounted at the inner side of the preformed hole of the column is manufactured; the second flange plate is plugged to the inner side of the wall body of the column, and a fastener is mounted; a bendable hose with required length is taken, and a threaded movable joint is mounted on the hose; a teleseme wire is threaded downwards from the top end of the column and is extended out of the bendable hose via the flange plates; the flange plates are fixed on the preformed hole of the column and are in threaded connection with the threaded movable joint, so that the bendable hose and the preformed hole of the column are fixedly connected; and a box cover of the XB box is opened, the bendable hose is fixedly connected with the preformed hole of the XB box according to conventional procedures. With the fairlead mounting method, the potential quality hazard of the column is eliminated, the project quality is ensured, the working efficiency is improved, the labor force is saved, and furthermore, as openings are not needed to be machined again, the damage to the appearance of the column is avoided.
Owner:中铁建电气化局集团第三工程有限公司

Fairlead mounting method for high teleseme

The invention discloses a fairlead mounting method for a high teleseme. The fairlead mounting method comprises the following steps: a first flange plate to be mounted at the outer side of a preformed hole of a column and at the preformed hole of an XB box is manufactured; a second flange plate to be mounted at the inner side of the preformed hole of the column is manufactured; the second flange plate is plugged to the inner side of the wall body of the column, and a fastener is mounted; a bendable hose with required length is taken, and a threaded movable joint is mounted on the hose; a teleseme wire is threaded downwards from the top end of the column and is extended out of the bendable hose via the flange plates; the flange plates are fixed on the preformed hole of the column and are in threaded connection with the threaded movable joint, so that the bendable hose and the preformed hole of the column are fixedly connected; and a box cover of the XB box is opened, the bendable hose is fixedly connected with the preformed hole of the XB box according to conventional procedures. With the fairlead mounting method, the potential quality hazard of the column is eliminated, the project quality is ensured, the working efficiency is improved, the labor force is saved, and furthermore, as openings are not needed to be machined again, the damage to the appearance of the column is avoided.
Owner:中铁建电气化局集团第三工程有限公司

Chest drainage water-sealed bottle and operation method thereof

The invention discloses a chest drainage water-sealed bottle and relates to the technical field of a medical instrument. The chest drainage water-sealed bottle comprises a bottle body, an exhaust pipe and a drainage passage with a thin drainage pipe, a thick drainage pipe and a water-sealed pipe; the rear end of the thin drainage pipe is connected with a syringe needle connection part of a syringe; a joint part at the front end of the thick drainage pipe is inserted in a cylinder of the syringe; the bottle body is made of a transparent material and is provided with bottle body scales, a movable suspension loop and a movable supporting base. The water-sealed bottle adopts the following operation steps: A, injecting water into a cavity of the bottle body and enabling the water level to be positioned between the lower end of the water-sealed pipe and the lower end of the exhaust pipe; B, inserting the syringe needle connection part of the syringe into the rear end port of the thin drainage pipe, inserting the joint part at the front end of the thick drainage pipe into the cylinder of the syringe and inserting the rear end of a hose pipe of the thick drainage pipe into the front end port of the water-sealed pipe so as to carry out drainage. The chest drainage water-sealed bottle can solve the problem that due to the relatively thick drainage pipe and a large contact area of the drainage pipe and a human body, damage to the operation position is easy to cause and a patient is easy to feel uncomfortable.
Owner:林世红

Gear adjusting steel bar connector for fabricated building and using method thereof

The invention discloses a gear adjusting steel bar connector for a fabricated building and a using method of the gear adjusting steel bar connector, and belongs to the technical field of fabricated building engineering. The technical problems that reinforcing steel bars between prefabricated concrete members for building construction are not aligned and are different in length are solved. According to the technical scheme, the connector is composed of a steel bar connecting section, a corner adjusting section and a gear length adjusting section; the using method comprises the following steps that S1, the threaded sleeve I is in threaded connection with a reinforcing steel bar through a threaded groove formed in the inner wall of the first threaded sleeve; s2, a Z-shaped connecting component clamped with the cross-like rotating device is rotated; s3, fixing the corner section of the connector; s4, a length adjusting gear is rotated for fine adjustment; s5, a length adjusting gear is fixed; and S6, finally, the threaded sleeve I is positioned and is in threaded connection with the steel bars through a threaded groove formed in the inner wall of the threaded sleeve II. The device has the beneficial effects that the device has multiple functions and a fine deviation adjusting function.
Owner:SHANGHAI UNIV

A directional piercing tool and process for insoluble balls used to open sliding sleeves

The invention relates to the field of oil and gas well improvement, in particular to an indissolvable ball directional shooting-through tool and process for opening sliding sleeve. The tool comprises a positioning block and a nozzle. The nozzle is connected to the bottom end opening of the positioning block. Positioning landing legs are arranged on the circumferential outer wall of the end, connected with the nozzle, of the positioning block. A coiled tubing is used for driving the directional shooting-through tool to advance to the position of the ball injection sliding sleeve, directional shooting-through of an indissolvable ball is achieved through high-speed jet flow of perforation sand-carrying fluid at the nozzle, the problem that the indissolvable ball is stuck and cannot flowback and consequently a fracturing string cannot communicate with oil and gas reservoirs is solved, and the success rate and timeliness of oil and gas well cleanup and require production after fracturing are increased; and the design is simple, the process is convenient to operate, the field application effect is good, the practicability is high, and the success rate and timeliness of oil and gas well cleanup and require production after fracturing are increased.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Preset multi-range adjusting foot and mounting method

The invention discloses a preset multi-range adjusting foot and a mounting method. The preset multi-range adjusting foot comprises a preset bolt, a first sleeve, a second sleeve and a leveling piece,the preset bolt is fixedly connected with a steel column, a fixing hole is formed in the center of a bottom plate of the first sleeve and is detachably and fixedly connected with the preset bolt, a limiting platform is arranged on the inner wall of the annular wall of the first sleeve, and the outer wall of the clamping part of the second sleeve is provided with a limiting plane corresponding to the limiting platform, so that after the clamping part is inserted into the annular wall, the second sleeve is clamped by the first sleeve and cannot rotate; and internal threads are arranged on the inner walls of the clamping part, external threads matched with the internal threads are arranged on the outer walls of the screw joint part of the leveling piece, so that the screw joint part of the leveling piece and the clamping part of the second sleeve can form a screw joint relationship, and when the leveling piece is rotated, the screw joint part extends out or retracts back, so that the platform can complete base layer leveling. According to the preset multi-range adjusting foot, front-back fine adjustment can be achieved, so that the installation position of the wall panel is flush; andthe platform is used for being connected with metal part nails on the back of the wall panel, the area is large, and errors of left-right deviation of the wall panel can be absorbed.
Owner:ZHEJIANG YASHA DECORATION
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