47results about How to "Solve the demolition problem" patented technology

The invention relates to an anti-pollution pin pulling device belonging to a special instrument for pulling out a spring pin in power operation maintenance. The anti-pollution pin pulling device comprises a pair of pin pulling pliers and is also provided with a left supporting seat and a right supporting seat, wherein the right supporting seat is formed by welding a lug plate on a pipe joint; a left handle and a right handle of the pin pulling pliers are respectively in a 'Z' curved shape; the left handle of the pin pulling pliers is fixed with the lug plate of the left supporting seat; the right handle of the pin pulling pliers is fixed with the lug plate of the right supporting seat; a tension spring is fixedly connected between the lug plate of the left supporting seat and the lug plate of the right supporting seat; a connecting pipe for connecting an insulating tool is movably inserted into two pipe joints of the left supporting seat and the right supporting seat; threads and seams are arranged on two outer ends of the connecting pipe extending out of the pipe joints; two compression screws are symmetrically screwed on the connecting pipe from left to right; and the two compression screws are in compression joint on two strip-shaped notches on the two pipe joints of the left supporting seat and the right supporting seat. The invention has the characteristics of reliable performance, convenient use and wide universality and is suitable for hot-line installation and disassembly of spring pins of anti-pollution insulators and common insulators in power industry.

The invention discloses a movable type trolley for bored tunnel construction. The movable type trolley comprises a trolley portal frame, walking wheels mounted on the lower portion of the trolley portal frame and matched rails adaptive with the walking wheels. Suspension arms extend out of the left side and the right side of the trolley portal frame correspondingly, the suspension arms are connected with a formwork skeleton, and a hydraulic supporting rod is further arranged between the trolley portal frame and the formwork skeleton. In the bored tunnel construction process, if the movable type trolley is adopted to conduct construction, the formwork skeleton can be suspended on the trolley directly through the suspension arms, after the position of the formwork skeleton is adjusted and positioned through the hydraulic supporting rod, a formwork for construction can be directly mounted on the outer side of the formwork skeleton, after that, concrete is poured on the formwork and maintenance is conducted, construction is convenient and rapid, and thus the construction progress can be accelerated greatly. After construction is completed, the formwork is separated from the concrete, the trolley can directly walk to a next construction section to conduct construction after the formwork is taken back, the utilization rate of the device is high, and thus the construction cost is lowered greatly.

The invention relates to an ecological agriculture circulation system integrating agriculture, forestry, animal husbandry, biogas engineering and a greenhouse. The ecological agriculture circulation system integrating agriculture, forestry, animal husbandry, biogas engineering and the greenhouse comprises a tree planting unit, a Chinese herbal medicine planting area, a forage grass planting unit,an animal husbandry unit, the greenhouse, a biogas engineering unit, a biological pesticide production workshop, an organic soilless cultivation nutrient solution production workshop and a microorganism breeding workshop. According to the ecological agriculture circulation system integrating agriculture, forestry, animal husbandry, biogas engineering and the greenhouse, grass and tree planting, animal husbandry and biogas engineering are organically combined, and depend on one another to form the organic ecological agriculture circulation system, so that the agriculture development bottlenecksof the land problems of a very small per capita share of cultivated land in China and large-area land polluted by chemical pesticides and chemical fertilizers and the problem of use of reeds, unusedgrassland and saline and alkaline land are completely overcome once and for all; the biogas industry development bottleneck of the problem of biogas slurry pollution is overcome; the forestry development bottlenecks of the problems of small land area, compensation of farmers and demolition are overcome; and the animal husbandry development bottlenecks of the problem of excrement pollution and theproblems of conflict between grass and livestock and conflict between large-scale breeding and protection of ecological environments are overcome.

The invention discloses a mechanism for disassembling disc parts of an aero-engine. A plurality of mounting teeth are distributed on the circumference of a tray; one end of a clamping jaw is connectedto the mounting teeth of the tray; a step-shaped clamping table matched with a limiting ring is arranged at the other end of the clamping jaw; one end of a pull rod is connected to the wall of the clamping jaw, the other end of the pull rod is connected into a strip-shaped groove of the mounting teeth, a spring mandrel is arranged on the pull rod, a spring is sleeved on the spring mandrel, and the pull rod is clamped on the strip-shaped groove through an R-shaped nut; a puller bolt penetrates through the tray, the middle position of the puller bolt is connected with a threaded bushing arranged on the tray, the puller bolt abuts against a threaded blind hole formed in a puller disc, downward force of the threaded bushing of the tray is received through the puller bolt, and the force is applied to the puller disc; and the limiting ring is arranged at the other end of the claw. The clamping jaw capable of rotating and swinging is adopted, the requirement that the clamping jaw can extendinto the rear end of a disc part to pull the disc part to be disassembled is met, and the position of the mechanism clamping jaw can be flexibly adjusted.

The invention relates to a steel structure connecting piece capable of being tensioned and belongs to the technical field of reinforcing pieces and auxiliary components thereof. The steel structure connecting piece comprises a cylinder body and two pistons arranged in the cylinder body in a sliding fit mode, and the two pistons and the cylinder body form a sealed cavity. Pull rods and springs areconnected to the outer side walls of the pistons, the springs are connected to the inner walls of the cylinder body, and the pull rods penetrate through the cylinder body. Sleeve pieces for fixing steel structures are detachably connected to the ends, arranged outside the cylinder body, of the pull rods, an inner threaded stud is fixedly connected to the bottom of the interior of the cavity, and ahollow telescopic rod is arranged on the top face of the cavity in a penetrating mode. A torsion head is detachably connected to the upper end of the telescopic rod, a hollow outer threaded stud is fixedly connected to the lower end of the telescopic rod, and the outer threaded stud is in threaded connection with the inner threaded stud. According to the technical scheme of the steel structure connecting piece capable of being tensioned, the problems of reliable and rapid mounting and dismounting of two steel structures in the prior art are solved, the magnitude of tension can be adjusted according to the actual requirement, dismounting is flexible and convenient, wide popularization can be achieved, and the practicability is high.

The invention provides an integrated supporting system for connection of fabricated shear walls and a laminated slab and a mounting method of the integrated supporting system. Nuts pre-embedded in theprefabricated shear walls are used as fulcrums to support the prefabricated laminated slab without the dependence of the edge widths of the shear walls, vertical supports on the lower portion of thefloor slab are omitted, accordingly, formwork erecting difficulty is lowered, the cost is saved, and construction precision can be met. Meanwhile, supports of the supporting structure are concentratedly arranged at the top of the structure, and bottom supports are omitted so that a large quantity of spaces can be provided for activities of bottom personnel. Few mounting personnel are needed for supporting frames of the supporting structure, on-site operation is also easy relatively, and the construction problems of connection of the shear walls and the laminated slab and supporting of supporting plates can be solved effectively.

The invention relates to the support field of cables or sheaths, specifically a protection method for a CLTS gray bus for crane beam replacement. The protection method for the CLTS gray bus for the crane beam replacement is characterized in that the method is implemented as follows: (1), preparing; (2) separating; (3) lifting; (4) replacing, (5) reloading; and (6) removing. The protection method provided by the invention has good protection, shortens the construction period, and is safe and reliable.

The invention discloses a near-edge guard railing for a building and a mounting method of the near-edge guard railing. The near-edge guard railing comprises transverse rods, steel piece fixing screws, prefabricated steel pieces, bolts, screwing type expansion tubes and holes, wherein the holes are drilled beside the near-edge opening of the building, the screwing type expansion tubes are placed into the holes, the bolts are screwed into the screwing type expansion tubes, the prefabricated steel pieces are fixed on the bolts through the steel piece fixing screws, and two ends of the transverse rods are fixed on the prefabricated steel pieces through transverse rod bolts. The mounting method includes the steps of S1, drilling the holes; S2, placing the screwing type expansion tubes into the holes; S3, sleeving one prefabricated steel piece and one fixing screw on each bolt; S4, screwing the bolts into the screwing type expansion tubes, and fixing the prefabricated steel pieces to the bolts through the fixing screws; S5, fixing the transverse rods onto the prefabricated steel pieces through the transverse rod bolts. The near-edge guard railing has the advantages that bricking, plastering and floor pouring can be performed without demounting the guard railing, and the guard railing is convenient and firm to mount, capable of reducing protection loss risks, recyclable and low in cost.

The invention discloses a tool for demolishing by using the energy of a blank cartridge, comprising a launcher and a punching and shearing assembly which are connected with each other, wherein the launcher is of a rifle bolt type firing structure and comprises a grip, a non-in-place insurance, a firing mechanism, a cartridge receiver, a rifle bolt assembly, a magazine, a launch tube, a pressure adjusting assembly and a non-in-place insurance spring. The non-in-place insurance serving as an L-shaped assembly is located above the firing mechanism; the long edge of the L-shaped assembly is located in a guide rail of the cartridge receiver and moves backwards under the driving of the rifle bolt assembly to relieve insurance; the short edge of the L-shaped assembly is connected with the cartridge receiver through the non-in-place insurance spring and resets under the action of the non-in-place insurance spring to open the insurance; and the pressure adjusting assembly is located above the launching tube fixedly connected with the cartridge receiver. The problem of demolishing steel bars, steel slings, blots, door locks and the like by utilizing the tool for demolishing by using the energy of a blank cartridge is solved, and the tool has powerful energy and is capable of effectively shearing a screw-thread steel bar with the diameter of 16mm and a steel wire rope with the diameter of 11mm.

The invention discloses a drawing device for dismounting an electric heating element of a voltage stabilizer. The drawing device comprises a structural frame and a drawing assembly arranged on the structural frame. The structural frame comprises guide rails. The drawing assembly comprises a power component, a connecting base and a connecting mechanism. The connecting base and the connecting mechanism are both slidably connected to the guide rails, and the connecting base and the connecting mechanism are provided with locking mechanisms used for achieving position locking of the connecting base and the connecting mechanism in the axial direction of the guide rails. The power component is used for outputting linear reciprocating motion in the axial direction of the guide rails, a main body part of the power component is fixedly connected with the connecting base, and the output end of the power component is fixedly connected to the connecting mechanism. The drawing device further comprises a connecting piece which is fixed to the connecting mechanism and located on the side, away from the power component, of the connecting mechanism, and the connecting piece is used for being connected with the lower end of the electric heating element. The drawing device is simple in structure, the electric heating element can be drawn from the bottom of the voltage stabilizer, and the drawing operation is convenient.

The invention discloses a vertical shaft excavation construction method adopting a mode of downhole soil outlet and feeding. The vertical shaft excavation construction method comprises the following steps that a vertical shaft hole and a construction channel are constructed in a construction site, and the bottom of the vertical shaft hole is made to communicate with an existing underground space through the construction channel; a vertical shaft is excavated outside the vertical shaft hole from top to bottom; soil masses generated in vertical shaft excavation are made to pass through the vertical shaft hole and the construction channel sequentially and then transported out from an existing vertical shaft arranged in the underground space; and in the vertical shaft excavation process, firstly, the top of the vertical shaft is excavated, an opening locking ring is constructed, then, the vertical shaft continues to be excavated downwards, meanwhile, concrete mixed materials are made to pass through the existing vertical shaft, the underground space and the construction channel sequentially and then transported to the bottom of the vertical shaft hole, and a concrete retaining wall isconstructed for the shaft wall of the excavated part, located below the opening locking ring, of the vertical shaft through a shotcrete anchorage machine arranged at the bottom of the vertical shaft hole. The area of the construction site is decreased greatly, the demolition problem is solved, and the phenomenon of resident disturbance caused by demolition, noise, dust, road occupation and the like is reduced.

The invention discloses a construction method and device for detaching partial segments in a limited space. A portal frame is installed outside the partial segments, multiple chain blocks are installed on the portal frame, and the multiple chain blocks comprise a first chain block located in the middle of the portal frame and the second chain blocks located on the two sides of the first chain block. Rails are arranged in the multiple rings of partial segments in the longitudinal direction of the partial segments and allow a transportation vehicle to operate. By the adoption of the constructionmethod and device for detaching the partial segments in the limited space, the partial segments can be sequentially hoisted and detached, the transportation vehicle can conveniently transport the segments to a well mouth, and then a portal crane hoists the segments and places the segments on a segment site. The construction method and device for detaching the partial segments in the limited space have the advantages of safety, reliability, convenient operation, a simple structure and the like; the detachment construction safety of the partial segments is guaranteed, and the problem of detaching the partial segments in underground excavation limited space is effectively solved.

The invention discloses a self-anchored overwater operation platform and an operation method. The self-anchored overwater operation platform is characterized in that an assembled bearing buoyancy tank comprises a left steel buoyancy tank and a right steel buoyancy tank which are fixedly connected through a fixed steel frame; a rail sliding device is formed by parallelly fixing two pieces of square steel at the tops of the left steel buoyancy tank and the right steel buoyancy tank; an annular drilling machine comprises a supporting base which is finely adjusted through sliding of a roller and a drill bit which is arranged in the center of the supporting base and penetrates through a drill hole downwards; the bottom of the roller is movably arranged on a rail sliding system for fine adjustment, and the top of the roller movably supports the base; and a self-anchoring device comprises at least two hydraulic telescopic positioning devices, and each hydraulic telescopic positioning device is telescopically inserted into a riverbed and arranged on the outer side of the left steel buoyancy tank and the outer side of the right steel buoyancy tank. According to the working platform and the method thereof, it is guaranteed that equipment such as a river channel water cross section, a reinforcement cage and a ring drilling machine and auxiliary materials are convenient and fast to move and place, the investment of manpower, machines and materials is reduced, the working efficiency is improved, and the cost is saved.

The invention provides a prefabricated composite beam-plate connection support device with height difference on top of the plate and an installation method thereof. The prefabricated composite beam-plate connection support device with the height difference on top of the plate is characterized in that the prefabricated composite beam-plate connection support device comprises support frames, adjustment bolts and support plates, wherein the support frames are disposed on one side of a side beam and both sides of an intermediate beam, and the adjustment bolts and the support plates are arranged between the support frames and a composite plate; three frames with irregular cross sections are arranged side by side on the support frames along one side of the composite beam; right-angle sides of the frames correspond to a composite beam and a composite plate; bolt connection holes are arranged on the right-angle sides, relative to one side of the composite beam, of the support frames; embeddednuts are connected to the composite beam through bolts; the adjustment bolts are connected to the right-angle sides, relative to the composite plate, of the support frames. The prefabricated compositebeam-plate connection support device with the height difference on top of the plate and the installation method thereof have the advantages of lengthening lap length with the embedded nuts connectedto the side of the beam side, having good mechanical properties with an adjusting template bracket connected at the top, and meeting the requirements of lap precision.

The invention discloses a construction method of tower type working condition crawler crane for pole bending or pole lifting without removing steel wire rope of hook head. The construction method comprises the following steps: manufacturing a support frame and a moving trolley, and arranging the support frame on the rear side of the moving trolley to form a movable bracket; in a tower type working condition crawler crane, detaching the hook head from a combined body of the hook head and a pulley block; erecting the pulley block with a steel wire rope on the supporting frame; supporting a rod head in the tower type working condition crawler crane on the moving trolley carried by a crawler crane manufacturer, and enabling the moving trolley carried by the crawler crane manufacturer to be connected with the moving trolley through a connecting rod; and commanding the tower type working condition crawler crane to perform rod bending or rod lifting operation. The construction method is easy to operate, the work of disassembling the steel wire rope from the pulley block is omitted, the hook head pulley block with the steel wire rope is stably supported and moved, the potential safety hazard that the steel wire rope is squeezed and damaged is eliminated, the workload is reduced, and the working efficiency is effectively improved.

The invention relates to the field of construction and repair of furnace linings, in particular to a fast disassembling and replacing construction method for water beams of a step-type heating furnace. The fast disassembling and replacing construction method for the water beams of the step-type heating furnace is characterized in that two groups of water beams (21) which are arranged in parallel are arranged in a step-type heating furnace body, the two groups of water beams comprise a group of long water beams and a group of short water beams, and all the water beams (21) are horizontally erected on water beam stand columns (22); and a sealing box is further arranged in the step-type heating furnace body, and the two opposite sides of the step-type heating furnace body are a rolling mill side and an operation side respectively. The method is characterized by comprising the following steps that 1, holes are formed; 2, supporting parts are manufactured; 3, hanging is carried out; 4, hoisting is carried out; 5, transferring is carried out; 6, the stand columns are disassembled; 7, the water beams are replaced; 8, cleaning is carried out; and 9, repairing is carried out. The construction method has the advantages of being convenient to operate, short in time consumption, high in production efficiency and high in environmental adaptability.

The present invention discloses an adapter apparatus with a fixing structure, which is applicable to a slot of a mainboard. The adapter apparatus contains an adapter body, a first bracket portion, a clamping hook portion, and a rope-form body. The first bracket portion may contain an active portion and a bracket, and the bracket may be fixed on one side of the adapter body. The clamping hook portion is located on the adapter body, and the clamping hook portion may contain a hook portion and a connecting portion. One end of the rope-form body may be fixed on the active portion, and the other end may be fixed on the connecting portion. When the active portion moves, the connecting portion drives the hook portion to hook the slot or drives the hook portion to leave the slot.

The invention relates to a KTCS small bearing lock upper lock body removal tool and method for an aircraft access cover. The KTCS small bearing lock upper lock body removal tool applied in the technical field of aircraft assembly process equipment is characterized by comprising a cavity for containing a KTCS small bearing lock body, the open end is provided with a blade with the inner diameter slightly larger than the outer diameter of the flange of an upper lock body, and the blade edge of the blade is used for cutting the flange of the upper lock body. Compared with the prior art, the tool has the following advantages of solving of the removal problem of a KTCS small bearing lock, improving the working efficiency, and ensuring the surface quality of the access cover.

The invention discloses a folding anti-rolling protection frame for a small road roller. The folding anti-rolling protection frame comprises a fixed bracket, a rotary pin shaft, a movable bracket, a third connecting hole, a first connecting hole, a protection side plate, a second connecting hole, a first fixed convex ring and a second fixed convex ring. Through the design that the movable support is matched with the fixed support, the anti-rolling protection frame of the road roller can be conveniently switched between the folding storage state and the supporting and fixing use state, the problem that the anti-rolling protection frame of the road roller needs to be dismantled in the factory packaging and transition transportation process is solved, and market popularization is facilitated.