57results about How to "Fast installation and disassembly" patented technology

A novel mast mechanical equipment vertical assembling foundation is a regular polygon prism, cylinder or polygon prism concrete independent foundation structure which is obtained by vertically assembling the concrete prefabricated part. The invention is widely suitable for the mast mechanical equipment which periodically moves or is fixedly used in fields of building, electric power, information,geological industry and military industry. The invention is mainly characterized in that the horizontal side pressure and the friction of the foundation soil are fully utilized for increasing the dumping resistance of the foundation. The invention has the advantages of small accommodation area, high installing and detaching velocity, no water operation on the construction side, providing new condition for the foundation installing at the high-cold and dry areas, predominant resource-saving and energy-saving and environment-protecting benefits, and evident economic benefit.

The invention discloses a tube and an assistor for installing and detaching the tube. The tube comprises a tube body and a supporting rod, wherein two parallely arranged contact pins are fixedly arranged at both ends of the tube body respectively; a marking piece is arranged outside the tube body and is aligned with the plane of the two contact pins; a bracket is arranged on the upper part of the supporting rod; the bracket is provided with stationery clamping arms and moveable clamping arms for clamping the tube body; an elastic piece for clamping the stationery clamping arm and the moveable clamping arm is arranged between the stationery clamping arm and the moveable clamping arm; a main clamping wheel and an assistant clamping wheel for clamping both sides of the tube body are respectively installed on the upper parts of the stationery clamping arm and the moveable clamping arm; the bracket is provided with a driving wheel which is driven by a motor and is in transmission fit with the bottom of the tube body; and a controller for controlling the motor to rotate and a power supply are arranged on the lower part of the supporting rod. The tube and the assistor for installing and detaching the tube are reasonable in structure, and the tube can be installed or detached in site; the installing and detaching speed is high, the operating efficiency is high and the operating safety is high.

The invention discloses a construction method of a prefabricated outer wall cast-in-place section unilateral formwork of a sandwich heat insulating plate with an assembled structure. The construction method includes the steps that preparation is conducted, specifically, a first connecting part is pre-embedded as a steel bar perpendicularly and fixedly connected to a steel plate, a second connecting part is pre-embedded as a steel bar with a screw thread perpendicularly and fixedly connected to the steel plate, a third connecting part is a straight steel bar, and one end of the third connecting part is provided with a screw thread; a fourth connecting part is a straight steel bar; the second connecting part is pre-embedded in the outer blade plate of the cast-in-place part of a wall body when a wall plate is prefabricated; the second connecting part and the first connecting part are pre-embedded in the outer blade plate when the outer wall is prefabricated at the corner and wing wall, and the third connecting part is pre-embedded in the inner blade plate; the fourth connecting part is arranged on the end surface of the inner blade wall plate; the construction of the wall body cast-in-place section steel bar is finished, the steel bar of the fourth connecting part is connected with the steel bar of the first connecting part by using an additional steel bar; the screw thread end of the second connecting part is connected with an outer screw rod through a long nut, and the outer screw rod penetrates through a template hole and is locked by using a fastener; and after the cast-in-place section concrete reaches the designed strength, the template is removed, and the outer screw rod, a conical PVC sleeve pipe and the long nut are cleaned and reused.

The invention discloses a coke oven gas lower spray pipe brick gas duct full-slurry grouting sealing system and method, and relates to the technical field of coke oven thermal state engineering. The system comprises a slurry spraying pipe, a slurry spraying tank, a slurry return tank and an air compression system, the slurry spraying pipe is arranged at the lower end of a brick gas channel, the slurry spraying pipe extends upwards into the brick gas channel and is in sealing connection with a lower spraying pipe four-way joint through a quick sealing joint, slurry in the slurry spraying tank is poured into the brick gas channel through an air compression system, and the amount of the slurry in the slurry spraying tank is configured to enable the height of the slurry poured into the brick gas channel to be 50 mm higher than the upward position of a horizontal brick joint of a top-layer gas channel pipe brick in the brick gas channel. By means of the technical scheme, the one-time full-height integral grouting sealing effect can be achieved by controlling the slurry amount, the grouting sealing quality of the coke oven gas down-spraying pipe brick gas channel is improved, the construction period is shortened, the construction cost is reduced, the subsequent repairing procedures of the brick gas channel can be effectively reduced, the construction cost is reduced, and a high use and promotion value is achieved.

The invention discloses a special tool for testing an ultra-low temperature valve. The special tool for testing the ultra-low temperature valve comprises a frame structure, wherein a front sealing disc and a rear sealing disc are separately mounted on the opposite sides of the frame structure, and are close to each other or away from each other to tighten the ultra-low temperature valve; each of the front sealing disc and the rear sealing disc is provided with sealing rings in multiple specifications, through holes are formed in the centers of the front sealing disc and a main plate along theaxial direction, and the temperature sensor penetrates through sealing buckles in the through holes and partially extends into the ultra-low temperature valve; the front sealing disc is provided withan air inlet connecting port along the radial direction, and the air inlet connecting port communicates with the through holes; and a detection connecting port is formed in the rear sealing disk alongthe radial direction, and the other end of the detection connecting port communicates with the interior of the ultra-low temperature valve. The special tool for testing the ultra-low temperature valve, provided by the invention, can clamp rapidly, and facilitates testing.

The invention relates to the technical field of measurement fixing, in particular to a photogrammetry fixing device with a stabilizing lens and a fixing method. The invention aims to solve the technical problems that multi-position movement and stable measurement cannot be realized, the shooting angle of a camera cannot be accurately adjusted in real time, and the camera is inconvenient to fix anddisassemble. In order to solve the technical problem, the invention provides the photogrammetry fixing device with the stable lens. The photogrammetry fixing device is composed of a mounting disc, atransposition mechanism and a fixing mechanism. Through the arrangement of a transmission gear, a movable fluted disc and a supporting electric push rod, the size of a measured object can be flexiblymatched to change the supporting range; through cooperation of a rotating gear, a ball and a limiting inner gear, the fixing mechanism is stably supported for multiple purposes, so that the camera isdriven to stably rotate around an object needing to be measured by 360 degrees in the transverse direction for shooting measurement; and through cooperation of two sliding blocks and two clamping blocks, the shooting angle of the camera can be flexibly adjusted by 180 degrees in the longitudinal direction.

The invention discloses a reinforcing steel bar hanger for a crane. The reinforcing steel bar hanger comprises a connecting frame, wherein four fixing rods are symmetrically connected to the connecting frame, two first grooves and two second grooves are symmetrically formed in each fixing rod, two ball screws are vertically arranged in each first groove, each ball screw is sleeved with a belt wheel, the two belt wheels are commonly sleeved with a transmission belt, the upper end of one of ball screws is connected with a motor arranged on the inner wall of one first groove, the two ball screwsare commonly sleeved with a movable block, a connecting rod is fixedly connected to the movable block, and the lower end of the connecting rod penetrates through the fixing rod, extends into the second groove and is fixedly connected with a mounting block. The reinforcing steel bar hanger is ingenious in structure and convenient to use, reinforcing steel bars do not need to be manually bundled, the mounting speed and dismounting speed of the reinforcing steel bars are increased, the lifting efficiency is improved, a large number of time and vigor of workers are saved, and the reinforcing steelbar hanger is worthy of popularization.

The invention discloses a U-shaped anti-changing column and chute template system for rammed earth walls, which can be used for special template for the construction of the linear rammer body and theL-shaped wall body. The supporting system mainly comprises three aspects: a wood-shaped smooth mold plate, a long-length U-shaped anti-changing column suitable for layer-by-layer compaction, and an adjustable high-strength section steel triangular support frame. The wooden mold plate is inserted into the standard fixed-type long-length U-shaped anti-variable column to form a whole, and the supportside is supported by the adjustable high-strength section steel triangular support frame., and mainly comprises a vertical rod, an inclined rod and a horizontal sliding rod. The two sides of the wallbody are symmetrically arranged to be supported to ensure the stable and follow layer-by-layer support and layer-by-layer compaction, the steel braced tripod square steel tube members are connected with the U-shaped anti-changing columns by pin bolts, and two U-shaped anti-changinge columns at L-shaped corner of rammed earth wall are welded together to ensure that the lateral pressure meets the strength requirements. The U-shaped anti-changing column and chute template system not only can satisfy the linear rammer, but also can realize the dynamic compaction of the L-type wall body with highquality.

The invention provides a municipal drainage engineering catch-basin dredging device. The municipal drainage engineering catch-basin dredging device comprises a tapered filter screen arranged at a wellhead position, and meshes of the tapered filter screen are of detachable structures; a sewer pipe is mounted on the lower part of the tapered filter screen, and the sewer pipe extends into a downstream pipeline along the well wall; a circulating water suction pump is mounted in a catch basin, a shaft suction pipe is mounted on the left side of the water suction pump, and a water supply pipe is mounted on the right side of the water suction pump; the bottom end of the shaft suction pipe is arranged at a well bottom position; the water supply pipe extends upwards along the well wall and a top pipe opening is formed in the filter screen meshes; and stirring paddles are further arranged at the bottom of circulating water suction pump, and helical blades of the stirring paddles are explored into sludge residues of the well bottom after sedimentation. The invention further provides a dredging method adopting the municipal drainage engineering catch-basin dredging device. The dredging methodadopting the municipal drainage engineering catch-basin dredging device comprises the steps that the circulating water suction pump is started for operating, so that sludge is sucked into the water supply pipe from the suction pipe to the tapered filter screen for filtration, and finally, water is recycled into the catch basin from the sewer pipe. The filter screen is replaced when certain sludgeis accumulated, the matching equipment can be reused circularly, the cleaning and pulling effect is good, and the speed is high.

The invention discloses a pier column vertical back cage platform channel construction method which comprises the following steps: (1) breaking pile head concrete according to design requirements, andexposing a pile foundation reinforcement cage; and (2) mounting a pier column reinforcement cage, mounting a back cage framework in the side surface of the pier column reinforcement cage before the pier column reinforcement cage is mounted and hoisted, hanging hooks on reinforcing ribs of the pier column reinforcement cage, and enabling the position of the back cage framework to coincide with a single semicircular template. The vertical back cage platform device is alternately provided with an overturning platform and a stepping rod, constructors can climb and construct on the overturning platforms conveniently, the safety problem existing in unhooking bare climbing of the reinforcement cage is solved, and the safety is high; the hooks are arranged and erected on the reinforcing ribs of the reinforcement cage and the formwork, dismounting is convenient, the overall hoisting mounting and dismounting speed is high, the working efficiency of workers is improved, meanwhile, safety facilities such as a steel pipe support or a pier body protection frame are replaced, the safety management problem of the highway bridge pier stud construction support is solved, the process is simplified,and operability is high.

The invention provides a construction method of a movable bracket system for a secondary lining of a shallow-buried subsurface tunnel. The construction method comprises the following steps that 1, construction preparation is conducted, specifically, a steel arch, a standard steel formwork and the movable bracket system are adopted to be combined for construction; 2, a bracket foundation support isconstructed; 3, a bracket is mounted and constructed; and 4, bracket overall moving construction is conducted, specifically, after the bracket overall moves to the preset position, the bracket is jacked through a jack, a traveling mechanism is removed, the jack looses, thus a bracket body falls back onto the concrete surface of an inverted arch of the secondary lining, moving is completed, foundation reinforcing work is repeated, and secondary lining construction of the construction segment is conducted. According to the construction method, the problems that the secondary lining of the small-and-medium-section subsurface tunnel is tedious and complex in construction process, slow in construction progress, excessively high in economic cost and the like are solved, the bracket has the advantages that the mounting and demounting speed is high, the bracket can be utilized cyclically after one-time mounting and forming, and the construction method is worthy of vigorous promotion.

The invention discloses a novel polymer plug plate for a tunnel secondary lining, and relates to the technical field of tunnel construction. Comprising an upper mold plate, a lower mold plate and a supporting mechanism, the upper mold plate is hinged to the lower mold plate, the lower mold plate is hinged to the supporting mechanism, and the supporting mechanism is detachably connected with the upper mold plate; the supporting mechanism comprises a supporting seat, a supporting rod and a connecting hanging plate, one end of the supporting seat is fixedly connected with the trolley, the other end of the supporting seat is hinged to the supporting rod, the other end of the supporting rod is in threaded connection with the upper die plate, one end of the connecting hanging plate is fixedly arranged on the supporting seat, and the other end of the connecting hanging plate is fixedly connected with the supporting rod through a fixing pin. The plug plate, the upper template and the lower template are made of high-molecular transparent materials, the concrete pouring condition can be clearly seen during construction, it is guaranteed that the position of the tunnel water stop belt is accurately installed, the upper template and the lower template are hinged, the upper template can turn over along the lower template, the lower template and the supporting base are hinged, and the supporting base is convenient to use. And the lower template can be overturned along the trolley, so that the construction efficiency is greatly improved.

The invention discloses a fast splicing guide rail mechanism used for automatically welding ship T section bars. The fast splicing guide rail mechanism comprises a plurality of same guide rail mechanism units, wherein each guide rail mechanism unit comprises a guide rail main body; adjacent guide rail mechanism units are connected into an integer through a dowel pin and a lock catch; transverse slide wheels are arranged on the bottom of the guide rail main body for regulating positions of the guide rail mechanism units; and fixing devices are arranged on four corners of the guide rail main body for fixing the guide rail mechanism units with the ship T section bars. The fast splicing guide rail mechanism has the advantages of being compact in structure, safe and convenient in transportation, quick and simple to mount and dismount, good in maintainability and the like, is suitable for automatically welding ship T section bars with different lengths, and is high in site flexibility.

The invention discloses an LED (Light Emitting Diode) streetlamp convenient to use. The LED streetlamp structurally comprises a lampshade, a base convenient to mount and demount, a lighting lamp, a mounting block, a connecting column, a bracket, a lamp column and an electric control box, wherein the base convenient to mount and demount is arranged at the bottom of the lamp column; the lamp columnis in clearance fit with the base convenient to mount and demount; the base convenient to mount and dismount consists of a lamp column power-on device, a power device, a pressing device, a worm device, a stress gear, a mounting device, a telescopic spring, a support rod, a hole drilling fixing device and a soil loosening device; the power device is arranged at the bottom of the lamp column power-on device; the power device is in clearance fit with the lamp column power-on device; a stress gear is arranged at the bottom of the power device; the stress gear is in clearance fit with the power device. The device needs no tools when being mounted and dismounted, and is rapid to mount and dismount, a user does not need to carry a great number of tools, and the operation time can be shortened.

The invention discloses a clamping piece for connecting a truss with a connecting ring in a sliding formwork platform. The clamping piece comprises a plate, two or more bent members, and a pressing piece for adjusting the fastening degree. The two sides of the connecting ring are each provided with at least one of the bent members, and the plate is pressed tightly on the top face of the connectingring through the pressing piece. One ends of the two and more bent members are fixedly connected to the bottom face of the plate, the other ends of the two and more bent members are provided with hook parts, and the hook parts are hooked at the bottom of the truss. The clamping piece has the beneficial effect that the design, manufacturing and using technologies of an original U-shaped clamp arecompletely changed; and as for the novel clamping piece, the using number of times is increased, the work load is reduced, the assembly and disassembly speeds are increased, the cost is reduced, the structure is simple, operation is convenient, the effect is obvious, and the safety is improved.

The invention discloses a segment type multistage centrifugal pump. The segment type multistage centrifugal pump comprises a housing, the housing is composed of a discharge-end fixation frame, a suction-end fixation frame and an arc connecting block, one end of the discharge-end fixation frame is provided with the arc connecting block, the end, which is away from the discharge-end fixation frame, of the arc connecting block is provided with the suction-end fixation frame, the outer side of the arc connecting block is sleeved by a semicircular protective cover casing, one side of the discharge-end fixation frame is provided with a drain pipe, and one side of the suction-end fixation frame is provided with a suction pipe. According to the invention, a centrifugal pump body is prevented from being completely dismounted and maintained during maintenance, the installation dismounting speed of the centrifugal pump is improved, a rotating shaft and impellers of the centrifugal pump are arranged in a segment butt joint manner, during the maintenance, what is needed is only to take out damaged rotating shaft and impellers from the inside of the housing for replacement, the maintenance replacement efficiency of the centrifugal pump is improved, the dismounting quantity of parts inside the centrifugal pump is reduced, the installation precision is prevented from being reduced due to repeated dismounting of the parts inside the centrifugal pump, and the performance of the centrifugal pump is guaranteed.