69results about How to "Guaranteed lifting effect" patented technology

The invention discloses a double-control energy-saving type multilayer hollow glass louver. The double-control energy-saving type multilayer hollow glass louver comprises a louver body, an inner framebody, inner glass, middle glass, outer glass, venetian blinds, a venetian blind piece overturning and adjustment control mechanism, a venetian blind lifting adjustment control mechanism, a venetian blind lifting and overturning transition mechanism, a venetian blind piece overturning hauling rope, a venetian blind lifting hauling rope, a venetian blind piece overturning hauling rope tensioning mechanism, a venetian blind lifting hauling rope tensioning mechanism, and a hollow cavity anti-condensation mechanism. The venetian blind piece overturning hauling rope tensioning mechanism is fixed into a left inner frame bar; the venetian blind lifting hauling rope tensioning mechanism is arranged in a right inner frame bar; the hollow cavity anti-condensation mechanism is arranged in an outer hollow cavity; sealing joint strips are inlaid in the space in the peripheries of the inner glass and the outer glass. Air impermeability of the inner and outer hollow cavities is improved; strength ofa window body is improved; the venetian blind piece overturning and venetian blind lifting effects are guaranteed; condensation is avoided; and air impermeability of the inner and outer hollow cavities is excellent.

The invention provides an internal control mechanism for a window shutter with built-in hollow glass. The window shutter with the built-in hollow glass comprises a window body, the inner glass and theouter glass; the space between the inner glass and the outer glass serves as a shutter blind cavity; a shutter blind is arranged in the shutter blind cavity; a shutter blind blade overturning and shutter blind lifting mechanism is arranged in an upper transverse frame strip cavity, and an overturning shaft driving mechanism is arranged at the upper end of a right longitudinal frame strip cavity ;and the internal control mechanism comprises an inner sliding block. The internal control mechanism is characterized in that an inner sliding block upper guiding groove is formed in the upper portionof the rear side of the inner sliding block, an inner sliding block lower guiding groove is formed in the lower portion of the rear side of the inner sliding block, and a tensioning spring cavity isformed in the middle of the rear side of the inner sliding block; a tensioning mechanism comprises a pulley seat, a pulley, a tensioning rope and a tensioning spring; the tensioning spring is accommodated in the tensioning spring cavity, the pulley seat is fixed into the right longitudinal frame strip cavity, and the pulley is supported on the pulley seat; one end of the tensioning rope is connected with the overturning shaft driving mechanism, the middle of the tensioning rope is arranged on the pulley in a sleeving mode, and the other end of the tensioning rope is connected with the lower end of the tensioning spring; and the upper end of the tensioning spring is connected with the overturning shaft driving mechanism. The overturning effect of blades of the shutter blind and the liftingeffect of the shutter blind are ensured.

The invention discloses a hydraulic jacking device capable of moving back and forth, comprising a jacking mechanism, the jacking mechanism includes a bottom connecting plate, a rectangular bottom bracket is arranged above the bottom connecting plate, a front and rear displacement mechanism is connected under the bottom connecting plate, and the bottom bracket There are slide grooves on the corresponding two long sides, a hydraulic cylinder is provided on one short side of the bottom bracket, and a drive link is connected to the output shaft of the hydraulic cylinder, and sliders are provided at both ends of the drive link. The slot can move along the length direction of the chute, the driving link is connected with a lifting bracket, and a lifting plate is arranged above the lifting bracket; the invention realizes the lifting of the lifting plate through a hydraulic cylinder arranged horizontally, and only one hydraulic pressure is needed. The cylinder can achieve a stable lifting effect. By setting the front and rear displacement mechanism under the bottom connecting plate, the lifting operation can be performed at different positions without moving the whole device, which is more convenient to use.

The invention discloses a geological prospecting device, which comprises an underframe, a prospecting drilling machine base is fixedly connected to a side position of the top end of the underframe, asteel frame is fixedly connected to one end of the prospecting drilling machine base, and a convenient connecting, detaching and positioning mechanism is fixedly connected to the position, corresponding to the steel frame, of one end of the prospecting drilling machine base; the convenient connecting, detaching and positioning mechanism comprises a connecting disc, a rotary base, a cavity, a rotary groove, a positioning groove, a positioning block, a roller, a reset spring, a sliding block, a lifting ring, a bump, a connecting rod and a movable sleeve ring. The device is scientific and reasonable in structure and safe and convenient to use, the convenient connecting, detaching and positioning mechanism is arranged, the movable sleeve ring is pushed to ascend through extension of an electric telescopic rod, therefore, clamping blocks are pushed through the movable sleeve ring to move along a movable groove, the distance between the clamping blocks is reduced, the clamping blocks clamp adrill rod according to the diameter of the drill rod, the drill rod is fixed, and meanwhile a rotating block is pushed in the ascending process of the movable sleeve ring.

The invention discloses a cable lifting device for electric power overhaul. The device comprises a base and a lifting rod, the base comprises a bottom plate and a plurality of supporting legs hinged to the lower part of the bottom plate, a through hole is formed in the base, the lower part of the lifting rod is mounted in the through hole of the base, the bottom of the lifting rod is placed on the ground, and a wire clamping device is arranged at the upper part of the lifting rod; the wire clamping device comprises a U-shaped plate and a connector arranged on the lower portion of the U-shaped plate, internal threads are arranged on the connector, and the top of the lifting and supporting rod is detachably connected with the connector in a threaded mode; and a sleeve is arranged at the upper part of the through hole; and the lifting and supporting rod is inserted into the sleeve at intervals. The lifting and supporting rod is arranged on the base, the device is placed on the lower portion of a cable when the cable is tensioned, the drooping cable is lifted through the lifting and supporting rod, the cable tensioning difficulty is lowered, and the situation that the cable or an insulator is damaged due to excessive force is avoided.

The invention discloses a jacking system for a main bridge of a large-span tied arch bridge and a jacking construction method. The system comprises a left main bridge jacking device and a right main bridge jacking device, wherein each arch bridge superstructure comprises a left arch bridge composite structure, a right arch bridge composite structure and multiple crossbeams, each arch bridge composite structure is a steel tube concrete tied arch and comprises a girder and an arch rib, and each main bridge jacking device is arranged under each arch bridge superstructure. The jacking constructionmethod includes the steps of firstly, jacking device installation; secondly, jacking; thirdly, jacking device disassembling; and fourthly, bridge substructure jointing. The system is reasonable in structural design, simple and convenient to construct and good in use effect, the left main bridge jacking device and the right main bridge jacking device which are arranged symmetrically are adopted for vertically jacking the bridge superstructures, vertical jacking devices and auxiliary supporting structures are adopted in the main bridge jacking devices to cooperate for jacking, multiple steel bar supporting cushion blocks are adopted to form a temporary supporting structure below a jack, the supporting strength is large, the bearing effect is good, and no dismantling is required in the laterperiod.

The invention belongs to the technical field of PC component assembly line construction, and particularly relates to a construction method of a double-type maintenance warehouse for a PC component assembly line. The construction method includes the following steps: a foundation pit is dug up; steel bar mesh frames are pre-buried, and foundation steel bar frames are placed; positioning tools and all the foundation steel bar frames are fixed, and the level and elevation are adjusted; first-time concrete pouring is conducted; the positioning tools are removed; second-time concrete pouring is conducted; a front warehouse and a rear warehouse are formed; and a mold table storing and taking device is mounted in an area between the front warehouse and the rear warehouse. According to the construction method, labor can be effectively saved, and the construction accuracy demands for vertical columns can be met through one-time construction; and meanwhile, under the premise of ensuring externalsealing of a maintenance environment inside a maintenance kiln, the occupied area of the maintenance warehouse is smaller, and the advantages of high automation degree and low operation threshold areachieved.

The invention discloses a financial risk prediction method and system based on block chain federated learning, and the method comprises the steps: A, training a financial risk prediction model based on LSTM by a participant locally according to the held data, and searching for model parameters; b, transmitting the parameters to a block chain network module, collecting model parameters of each user by a federal learning node, and storing the model parameters to each participating node in a transaction form; c, generating a transaction block; all the participating nodes collect model parameters and package the model parameters into blocks, all the participating nodes decide that block-out weights belong to by running a PoQ consensus mechanism, and the participating nodes obtaining the block-out weights are added into the block chain network; step D, selecting a coordination node, the coordination node being used for converging training results, an aggregation node aggregating model parameters according to records and results of the block chain network, updating the financial risk prediction model, issuing the updated financial risk prediction model to each participating node, and starting a new round of training learning; and E, setting a contribution incentive evaluation mechanism.

The invention discloses an uneven settlement reinforcing leveling repairing method for existing building floors, and belongs to the technical field of civil engineering construction. The uneven settlement reinforcing leveling repairing method for the existing building floors comprises the following steps that grouting is carried out to form a composite foundation reinforcing platform, specifically, grouting is carried out at the bottom of the floor to form the composite foundation reinforcing platform so as to raise and level the floor; grouting is carried out to form a plurality of composite pile foundations, specifically, grouting is carried out at the bottom of the composite foundation reinforcing platform to form the composite pile foundations so as to support the composite foundation reinforcing platform and the upper load. The uneven settlement reinforcing leveling repairing method for the existing building floors has the characteristics of capability of improving foundation bearing capacity and improving overall foundation stability and durability, lifting and leveling repairing, no interference, economy and short construction period.

The invention relates to a bakeware detaching structure of a bakeware and a magnetic type detachable and washable decocting baking machine comprising the bakeware detaching structure. The bakeware detaching structure is arranged on a body. The body is provided with the bakeware in a magnetic adsorbing mode. The bakeware detaching structure comprises a button. The button is vertically arranged on the body and capable of moving vertically. The lower end of the button extends out of the lower surface of the body. the upper end of the button abuts against the lower surface of the bakeware. By pressing the lower end of the button, the upper end of the button can be jacked upwards the bakeware, so that the bakeware is separated from the body. According to the bakeware detaching structure of the bakeware, a buttom structure is designed, by pressing the button, the end, close to the bakeware, of the button rotates or moves relative to the bakeware, so that component force which overcomes magnetic adsorbing attraction is generated, and separation of the bakeware and the body is achieved.

The invention discloses an intensive pump house with lifting and water distributing functions. The intensive pump house with the lifting and water distributing functions comprises a water inlet area and a water outlet area; the water outlet area is arranged over the water inlet area; a lifting area is arranged on the side faces of the water outlet area and the water inlet area; sewage in the waterinlet area is pumped to the lifting area through a plurality of submersible lifting pumps arranged at the bottoms of a plurality of water pump wells located on the lower portion of the lifting area,the water level of the sewage is lifted in the lifting area, and the sewage overflows to the water outlet area; a water inlet of each submersible lifting pump communicates with a water pump water inlet canal located under the lifting area, and then the sewage in the water pump water inlet canal is lifted to the lifting area; one end of the water pump water inlet canal is connected with the bottomof the water inlet area, and the other end of the water pump water inlet canal is connected with the bottom of the lifting area; and the portion, close to the upper end, of the lifting area communicates with the portion, close to the upper end, of the water outlet area, and a water pump water outlet weir is formed by the side wall shared by the lifting area and the water outlet area. According tothe intensive pump house with the lifting and water distributing functions, the sewage lifting pump house behind a secondary sedimentation tank is improved, and on the premise that the lifting effectis guaranteed, the structure is simplified, and the building and maintaining cost is reduced.

The invention relates to an elevator which comprises a main box body, a wheel disc assembly, a guide cable assembly and a brake assembly, wherein a transmission case is arranged below the back of themain box body; the wheel disc assembly comprises a frontage wheel disc and a back gear; a cable groove is formed in the outer circumference of the frontage wheel disc; the guide cable assembly comprises a wheel frame; a top guide wheel is mounted at the top of the wheel frame; a bottom guide wheel is mounted at the bottom of the wheel frame; the guide cable assembly further comprises a middle guide wheel; the brake assembly comprises a stand column; a first support arm is mounted and fixed on the reverse side of the stand column; a second support arm is mounted and fixed on the obverse side ofthe stand column; a jacking block is mounted at the front end of the first support arm; a brake motor is arranged on the side part of the first support arm; a jacking wheel is mounted at the front end of the motor shaft of the brake motor; a longitudinal elastic component is mounted below the front end of the second support arm; a triangular wheel seat is hinged to and mounted at the middle of the second support arm; two pressing wheels are mounted on the wheel seat; a top cable hole is formed in the top wall of the main box body; a bottom cable hole is formed in the bottom wall; and the elevator further comprises a cable guiding block. The elevator is compact in structure, high in elevating capacity, fast in breaking action and reliable.