32results about How to "Effective jacking" patented technology

The invention relates to the field of maintenance of steel equipment, in particular to a quick lifting method for online drawing a rotor of a large motor. The quick lifting method comprises the steps as follows: dismantling a cardan shaft of the motor; dismantling an upper tile of a bearing base of the motor, an outer cover of the motor and a foundation bolt of a stator of the motor; dismantling an encoder of the motor and a thrust bearing. The quick lifting method is characterized in that a lifting beam of the rotor is lifted by a traveling crane and arranged at the top of the stator of the motor; chain blocks and steel cables are hung at the two ends of the lifting beam of the rotor; the rotor of the motor is lifted through the chain blocks, and is not contacted with the interior of the stator of the motor; electric hydraulic jacks are erected at the four corners of the stator of the motor and used for synchronously lifting the stator of the motor and the rotor, fixed through the lifting beam of the rotor, of the motor; when the electric hydraulic jacks are lifted to the lowest position of the rotor of the motor beyond the plane of the bearing base, the lifting beam of the rotor is lifted by the traveling crane, and the rotor of the motor is drawn out. The quick lifting method can quickly and safely lift the large motor and finish the rotor drawing operation, and overcomes the defects in the traditional large motor lifting operation.

The invention discloses a thin-wall round pipe turning fixture. The thin-wall round pipe turning fixture comprises a step mandrel, and further comprises multiple disc springs and a pressing plate for pressing the disc springs, wherein a workpiece positioning table and a disc spring cushion table are arranged at one end of the step mandrel in sequence; an external thread is arranged at the other end of the step mandrel; the step mandrel is coated by multiple disc springs for outwards ejecting and supporting thin-wall round pipes to be machined; elastic rubber sleeves for increasing the frictional force between the disc springs and the thin-wall round pipes to be machined are arranged at the outer sides of the disc springs; the pressing plate for applying the axial pretightening force to the disc springs is arranged on the step mandrel at one sides of the disc springs; and a pressing nut fitting the external thread for use is arranged on the step mandrel at one side of the pressing plate. The thin-wall round pipe turning fixture has the characteristics of reasonable design, simple structure, high machining precision, convenience for workpiece disassembly, low labor intensity, high production efficiency, long service life, low production cost and convenience for promotion and application.

The invention belongs to the technical field of conveying, and provides a conveying device for decorative plates. The conveying device comprises a conveying belt, a supporting device and a clamping device. The supporting device comprises an upper supporting device body and a lower supporting device body, and the lower supporting device body comprises a lower supporting plate and a compaction blocklocated on the lower supporting plate. The conveying belt sleeves a driving wheel and a driven wheel, and the driving wheel is connected with a driving part. The clamping device comprises a base, aneccentric part, a sliding block, an extrusion part and a reset part, the two ends of the reset part are correspondingly connected with the sliding block and the base, the eccentric part is connected with the base through a vertical plate, the eccentric part comprises an arc-shaped section and a right-angle section, and an accommodating space is formed in the sliding block. The extrusion part comprises an upper extrusion rod, a vertical rod and a lower extrusion rod, the upper extrusion rod is connected with the lower extrusion rod through the vertical rod, and an elastic piece is installed between the lower end of the vertical rod and the sliding block. According to the conveying device for the decorative plates, rectangular decorative plates can be effectively conveyed, potential safety hazards are reduced while the conveying efficiency is improved, and meanwhile, inclined conveying can be achieved at different angles.

The invention discloses a cushion block assembly structure for jacking a structure and a jacking implementation method of the cushion block assembly structure. The assembly structure comprises cushion block layers formed by assembling a plurality of special-shaped cushion blocks, and a plurality of the cushion block layers are longitudinally superimposed to form the cushion block assembly structure for jacking the structure. The special-shaped cushion blocks comprise enclosing plates used for enclosing to form the shape of the special-shaped cushion blocks, concrete is filled in the enclosing plates, rabbets are arranged on assembly surfaces of the enclosing plates, a rabbet type connection is arranged between adjacent special-shaped cushion blocks positioned on the same cushion block layer. When the cushion block assembly structure is implemented, the plurality of special-shaped cushion blocks are assembled to form the cushion block layers matched with sections of installation pier columns, and then the cushion block layers are superimposed to jacking installation surfaces of the installation pier columns to complete jacking to the installation pier columns. The cushion block assembly structure has high manufacture precision and high cushion block assembly structure and is convenient to transport and install. By utilizing the cushion block assembly structure, the use safety and the late durability can be ensured.

The invention discloses a rapid bus driving roadbed which comprises, from bottom to top, a soft soil base layer formed by leveling and tamping soft soil and pre-embedded with a main drainage pipe; a gravel layer which is formed above the soft soil base layer by pouring gravel and cement, wherein a retaining wall, a bearing frame and a monitoring structure are arranged in the gravel layer; a rubble layer which is formed by pouring rubbles and cement, wherein a water tank is arranged in the rubble layer; a water permeable brick layer which is a brick body formed above the gravel layer, wherein the water permeable brick layer is provided with a water permeable structure; an asphalt concrete layer which is formed above the water permeable brick layer, wherein the asphalt concrete layer comprises lower coarse-grain asphalt concrete, upper medium-grain asphalt concrete and stiffening rods inserted between the lower coarse-grain asphalt concrete and the upper medium-grain asphalt concrete; and a pavement layer which is formed above the asphalt concrete layer. According to the rapid bus driving roadbed, rapid drainage can be achieved, the safety of rapid bus driving in rainy days is improved, meanwhile, pavement settlement is controlled, effective jacking and timely response are conducted, and the service life of the rapid bus driving roadbed is prolonged.

The invention discloses an expanding type thin-walled workpiece clamping device used for lathe machining. The device comprises a clamping head, a plurality of expanding sleeves, a threaded rod, an elastic expanding sleeve, and a gland nut. One side of the clamping head is fixedly connected with the front end of the threaded rod. The threaded rod is sleeved with the plurality of expanding sleeves. The tail end of the threaded rod is provided with a pressing plate and the gland nut in sequence, and the pressing plate and the gland nut are cooperated with each other and used to apply axial pretightening force on the expanding sleeve. The outer sides of the plurality of expanding sleeves are provided with an elastic rubber sleeve. The outer side of the elastic rubber sleeve is provided with the elastic expanding sleeve. The outer peripheral surface of the elastic expanding sleeve is provided with a plurality of rubber strips used to increase friction force between the elastic expanding sleeve and a to-be-processed thin-walled workpiece. The device is characterized by rational design, simple structure, high workpiece processing precision, convenient dismounting for workers, low worker labor intensity, high production efficiency, long service life of the clamp, low production cost, and easy popularization and use.

The invention discloses cylindrical lithium ion battery internal pressure detection equipment and a use method thereof. The cylindrical lithium ion battery internal pressure detection equipment comprises a storage mechanism, the storage mechanism comprises a storage frame and a battery body, the battery body is arranged in the storage frame, a negative electrode guide piece is embedded in the bottom face in the storage frame, and sliding grooves are formed in the opposite inner surface walls of the two sides of the storage frame; and a pressing frame is slidably embedded between the two sliding grooves and located below the battery body, fixing bolts are in threaded connection with the positions, close to the two corners, of the top of the storage frame, and a sealing cover is slidably arranged between the outer surfaces of the two fixing bolts in a sleeving mode. According to the invention, a rack can be effectively jacked up through a supporting spring and a pressing rod, then the rack can lift the pressing frame through the pressing piece, the battery body can effectively extrude the pressing frame in the process that the battery body is effectively placed into the storage frame, and then the pressing frame can drive the rack to move through the pressing piece, so that the moving rack can effectively drive the linkage gear to effectively rotate.

The invention discloses a center device with the head capable of automatically deflecting. The center device comprises a center handle and a head sliding part. The center handle comprises a handle portion and the head which is formed at the top end of the handle portion; a combining portion is disposed on the head; the head sliding part is slidably disposed on the head of the center handle; the head sliding part comprises a sliding member, a clamping member clamped at the top of the sliding member, a fixed member which penetrates through the sliding member and is fixed to the head and a center head which is combined with the sliding assembly; the sliding assembly acts around with the combining portion as the center. The center device can automatically slide and deflect in a circumference rounding mode by the aid of the space formed by combining the head sliding part with the combining portion of the center handle, therefore the center deflection tolerance caused during clamping of a machined object is compensated in balance, a center can be totally aligned to the center of the machined object without center deflection, and the effect of prolonging service life of a center bearing and a lathe tailstock is achieved.

The invention discloses an airway unobstructing device for respiratory support in intensive care medicine, the airway unobstructing device structurally comprises an adjusting rod, a vertical rod, a movable device, a limiting clamping plate, a clamping groove, a progressive support and an adjusting supporting plate, when the airway unobstructing device is used, the head of a patient is placed on an arc bottom support, and the arc bottom support can transmit pressure to the connecting groove; the connecting groove can retract inwards when being pressed to transmit pressure to the springing ring, the two sides of the springing ring are both connected with the sliding rods, the two sliding rods and the springing ring are connected to form an isosceles triangle structure, and the isosceles triangle structure has good stability and can be matched with the containing base to stably support the connecting groove, the bent arc bottom support is effectively jacked upwards, and the service life of the bent arc bottom support is prolonged. And the head of the patient can be stably supported.

The invention discloses a stable conveying device for a composite steel pipe. The stable conveying device comprises a device base, a push rod bracket and rollers; a first pipe-jacking device is mounted on one side of the device base, and the outer side of the bottom end surface of the first pipe-jacking device is provided with a back-force plate; a slope of the top end is provided with clamping tube slots, a first fixed frame is mounted on one side of a fixed table, a second fixed frame is mounted on the other side of the fixed table, and a hinge is arranged at one end, away from the fixed table, of the second fixed frame; the second fixed frame and the upper end surface of the device base are fixedly connected by the hinge, and the lower end surface of the first fixed frame is provided with lower clamping slots; and one end of the push rod bracket is fixedly connected with the device base, and the other end of the push rod bracket is fixedly connected with a handle. The stable conveying device for the composite steel pipe is simple in structure and novel pipe-jacking devices installed on both sides can effectively jack the steel pipe upwards through a return spring, thereby solving the problem that the steel pipe is unstable during transportation.

The invention provides an automatic brick picking device which comprises a support, a conveying unit arranged on the support and used for conveying green bricks, an ejecting unit, a guiding unit and a control unit. The conveying unit comprises at least a pair of conveyor belts, and an interval is formed between the conveyor belts. The ejecting unit is located in the interval and used for ejecting the green bricks. The guiding unit is used for enabling the ejected green bricks to slide off. The control unit is used for controlling the ejecting unit to work so as to eject the green bricks. The automatic brick picking device can lift the green bricks and enable the green bricks to automatically slide off.

The invention discloses a prefabricated assembly type component steel bar positioner, and relates to the field of buildings, in particular to a prefabricated assembly type component steel bar positioning device. The device comprises an upper clamping plate, a lower clamping plate, a guide screw rod and a rotating sleeve, a left clamping screw rod and a right clamping screw rod are installed between the upper clamping plate and the lower clamping plate, guide threaded sleeves are fixed to the center of the upper surface of the upper clamping plate and the center of the lower surface of the lower clamping plate, and the guide screw rod is screwed into an inner cavity of each guide threaded sleeve. One end of the rotating sleeve is inserted into an inner push screw, the other end of the rotating sleeve is inserted into an inner push sliding rod, and the outer end of the inner push sliding rod is fixedly provided with a clinging plate. The device has the beneficial effects that the clamping plate, the lower clamping plate, the left clamping screw rod, the right clamping screw rod and the guide threaded sleeve are arranged, so that relatively inclined reinforcing steel bars can be effectively clamped; and the rotating sleeve is arranged, so that the angle and the direction of the relatively inclined reinforcing steel bars can be effectively adjusted.

The invention discloses a constructional engineering site supervision settlement monitoring integrated device, and relates to the technical field of constructional engineering equipment.The constructional engineering site supervision settlement monitoring integrated device comprises a fixed base and a protection box, a supporting platform is arranged above the fixed base, and a ground surface settlement measuring assembly is arranged on the surface of the lower end of the supporting platform; a mounting groove is formed in the surface of the upper end of the supporting platform, the supporting platform is provided with a height adjusting assembly through the mounting groove, the height adjusting assembly comprises a first double-thread screw, a second double-thread screw, a movable seat and a supporting rod, a mounting frame is arranged in the protection box, and a laser is arranged in the mounting frame; the on-site supervision and settlement monitoring integrated device for the constructional engineering is simple to operate, effectively measures building and ground settlement, and saves manpower and material resources.

The invention provides a new energy automobile tire resistance detection device which comprises a connecting rod, a clamping block, a connecting plate, an insertion rod, an insertion groove, an innergroove, a fixing plate, a rotating piece, a rotating rod, a clamping plate, a revolving piece, a connecting hole and a contact piece. The main body is of a rectangular internal hollow structure, a sealing plate is mounted at the front end of the main body through a connecting shaft, supporting pieces are arranged at the corners of the bottom of the main body, and a partition plate is arranged in the middle of the interior of the main body. The motor is installed inside the main body, and in addition, the motor at the top end is fixedly arranged in the main body, and a connecting rod drives a connecting piece, the motor, the connecting plate at the bottom and the revolving piece to move, so that when the abrasion of the tire under different load flattening degrees needs to be detected, theconnecting rod can be controlled by manpower, the revolving piece can be moved to squeeze the tire to different degrees, thereby detecting the abrasion in different degrees of flattening..

The invention provides a two-way pressurization gastric lavage device for the digestive system department, relates to the technical field of medical instruments, and aims to solve the problems that when an existing two-way pressurizing gastric lavage device is used, after a collecting tank is full of liquid, the liquid is easily discharged through an air outlet hole, and the air outlet hole cannot be automatically sealed when the liquid is discharged. The device comprises a main body, mounting pieces, a mounting head and a moving piece; The main body is a gastric lavage device body and is of an L-shaped structure, and two collecting tanks are mounted at the front end of the main body; and the mounting pieces are fixedly mounted on the two sides of the front end of the main body, and the bottom of the collecting tank is mounted in the mounting pieces in an inserted mode. The moving piece is used for being installed in the inner cavity, so that after the collecting tank is full of liquid, the liquid can make contact with the bottom of the bottom piece, then the moving piece is jacked to move upwards through buoyancy, the top end of the moving piece can make contact with the top end in the inner cavity, automatic sealing is achieved, and the liquid is prevented from continuously leaking outwards through the inner cavity.