166results about How to "Fast construction" patented technology

The utility model relates to the technical field of building construction, and particularly discloses a steel-reinforced concrete joint restraining device. The steel-reinforced concrete joint restraining device comprises joint steel plate hoops, the joint steel plate hoops are parallel to the transverse steel members, the joint steel plate hoops are welded between the transverse steel members at the same section steel member joint, and the welded joint steel plate hoops form a hoop-shaped structure. The node steel plate hoop is made of a strip-shaped steel plate, and the node steel plate hoop and the profile steel component are machined together in a factory. According to the utility model, the defects of difficulty in mounting the constraint steel bars, large field manufacturing and welding workload and substandard protection layer caused by node steel bar deviation in the traditional steel reinforced concrete construction are effectively overcome.

The utility model relates to the field of valve actuators, in particular to a quick connecting device for a valve actuator, which comprises an actuator, positioning pin shafts, an elastic clamp spring, a valve and a flange plate, the four positioning pin shafts with the same size are mounted on the side wall of the bottom of the actuator and can be clamped into the flange plate, so that the lower end face of the actuator is tightly attached to the upper end face of the flange plate; an elastic clamping spring is installed at the position, clamped into the lower end of the flange plate, of the positioning pin shaft.

The invention provides an epoxy modified cement-based material, the epoxy modified cement-based material comprises an organic phase structure and inorganic crystals, and the inorganic crystals are radially distributed on the surface of the organic phase structure; the organic phase structure is a spherical or sphere-like structure with the diameter of 3-15 microns; the inorganic crystal is of a needle-shaped, rod-shaped or sheet-shaped structure with the length being 0.3-3 microns and the diameter being 0.05-0.5 microns. The epoxy modified cement-based material disclosed by the invention shows good adhesion and dispersion resistance under water or in a humid environment, can realize rapid underwater construction, and keeps stable performance for a long time under harsh conditions such as a marine environment and a humid environment; the engineering requirements of multiple fields such as building structure repairing, underwater repairing, rapid first-aid repair, ocean protection and road and bridge engineering are met, and the integration of high strength, high toughness, strong interface bonding and long-acting durability is realized.

The present application relates to the technical field of tunnel construction, in particular to a tunnel shield support non-blasting excavation method and equipment, the excavation method comprises four steps of drilling and pumping, concrete solidification, excavation of the surrounding rock and waterproof treatment, the method forms a concrete closed-loop shield support system by drilling and pumping in advance, a stable closed-loop support structure is formed before the excavation of the surrounding rock, effectively preventing the large deformation of soft rock and the rock burst phenomenon caused by stress release in hard rock during tunnel excavation; the system anchor rod, concrete spraying construction and explosive blasting process in the traditional support system are cancelled, which is safe and reliable, and has high economic benefits. The excavation equipment shares a propulsion mechanism through the spiral drill module and the reverse circulation down-the-hole drill module, without the need for separate propulsion devices for the two drill bits, the feed is achieved by driving the arc-shaped limiting piece with a chain, and the limiting block, the worm and the ring worm gear transmission self-locking function are matched to ensure the positioning accuracy of the drill bit during drilling, and to reduce the complexity of the equipment structure and the purchase and maintenance cost.

This utility model relates to the field of building construction technology, and in particular to a rapid sealing device for exterior wall openings. This utility model uses inner and outer templates to seal the inner and outer sides of the opening. Tie bolts are used to connect the inner and outer templates, ensuring a tight fit between them. A baffle and a pouring hopper are installed on the outer template. During concrete pouring, concrete is poured into the opening through the pouring hopper. When the opening is almost full, the pouring hopper and baffle are pulled upwards, gradually reducing the area between the lower end of the pouring hopper and the top of the opening, causing the baffle to gradually seal the top of the opening until it is completely filled. The pouring hopper is then pulled to a position above the opening, and the baffle completely seals the outer side of the opening. Using this sealing device, the area of ​​the baffle covering the outer side of the opening can be adjusted while pouring, thus enabling rapid construction.

A protective structure for anti-buoyancy and scour protection of a riverbed tunnel includes a riverbed tunnel, a reinforcement layer, a protective layer, and a backfill layer. The reinforcement layer is installed along the extension direction of the riverbed tunnel, with its bottom extending into the arch of the tunnel and its width exceeding the two arches of the tunnel. The protective layer is installed above the reinforcement layer along the extension direction of the riverbed tunnel, and the backfill layer is installed above the protective layer, with its upper surface flush with the original riverbed elevation. The protective layer includes a protective plate and structural beams. The protective plate extends along the extension direction of the riverbed tunnel and its width is greater than that of the reinforcement layer. The structural beams are located on both sides of the bottom of the protective plate and embedded in the riverbed cushion layer. The riverbed tunnel is constructed from special tunnel segments, in which the diameter of the main reinforcing bars is larger than that of ordinary tunnel segments in other tunnel sections. This invention reinforces the riverbed soil and increases soil pressure, achieving anti-buoyancy and anti-scour capabilities during the construction and operation of the riverbed tunnel, ensuring safety.

This invention provides a construction method for an ecological open channel system in urban streets and alleys, including steps such as constructing a sedimentation and filtration system, constructing a rainwater and sewage diversion system, and constructing a water resource collection system. This invention can achieve multiple benefits, including reducing urban flooding, improving the urban microclimate, and enhancing the urban landscape.

A foundation pit slope support fixing system and a fixing method thereof, the support fixing system comprising a fixing device and a drilling device; the fixing device comprising an anchoring body and an anchor cable, wherein the anchoring body comprises a conical anchor head, one end of the anchor cable is rotationally connected with the rear side of the anchor head, the drilling device comprising a fixing frame and a guide plate on the upper side of the fixing frame, a driving box is slidably arranged on the guide plate, a hollow drill cylinder penetrating through front and back is rotationally arranged on the driving box, the front end of the drill cylinder is inserted and clampedly connected with the rear side of the anchor head, and the anchor cable is located in the drill cylinder; a jetting head is arranged on the rear side of the driving box and inserted into the drill cylinder, the anchor head and the outer ring of the drill cylinder are respectively provided with first and second spiral leaves, and when the drill cylinder is drilled, water injection work of the jetting head can directly drive the anchoring body into the interior of the slope; when the drill cylinder is withdrawn, the anchoring body can be left in the interior of the slope, and grouting work of the jetting head can complete the fixing work of the anchoring device in one drilling, thereby shortening the foundation pit support construction time and significantly improving the construction speed.

This invention relates to a silicone rubber adhesive and its preparation method, belonging to the technical field of silicone rubber adhesives. The silicone rubber adhesive comprises the following components: 100 parts of hydroxyl-terminated polydimethylsiloxane and nano-calcium carbonate, of which 40 to 60 parts are nano-calcium carbonate; 2 to 3 parts of methyltrimethoxysilane; 1 to 2 parts of diisopropyl bis(ethyl acetoacetate) titanate; and 0.3 to 0.7 parts of a tackifier. The tackifier comprises compounds with the general structural formula shown in Formula I or Formula II. Compared with existing silicone rubber adhesives, the silicone rubber adhesive provided by this invention contains a tackifier with a specific structure, which can significantly improve the construction speed, meet the needs of rapid construction, and make up for the shortcomings of existing silicone rubber adhesives.

The utility model relates to a kind of anti-collision wall hole-free fixing device, belong to building construction technical field.The purpose is to provide a kind of anti-collision wall hole-free fixing device for temporarily fixing rod component on anti-collision wall, which is easy to operate and install stable.The following technical scheme is adopted, a kind of anti-collision wall hole-free fixing device, including cross bar, steel pipe and two groups of clamping components, steel pipe is vertically fixed in the middle of cross bar, and the both ends of cross bar are each fixed with a group of clamping components;The clamping component includes top rod and two clamping arms, the upper end of two clamping arms is respectively fixed on the bottom surface of top rod both ends, forms the inverted U-shaped frame buckled on anti-collision wall, and two fastening nuts are fixed on each clamping arm, and each fastening nut is threadedly sleeved with a fastening screw rod, which is jacked on anti-collision wall;Two groups of clamping components are arranged in parallel, and the both ends of cross bar are respectively fixed with the middle part of two top rods.The utility model is used for installing rod component on anti-collision wall.

The present application mainly relates to the field of building, in particular to a curtain wall fireproof plugging with lighting device and its construction method. The plugging comprises a connecting piece one, an adjustable steel plate and a prefabricated fireproof plugging component; the prefabricated fireproof plugging component is arranged outside the tempered hollow glass, and is a galvanized steel plate connecting piece one, which is internally provided with fireproof rock wool; the adjustable steel plate is an "E" type steel plate, which is arranged on the side of the fireproof plugging component facing the tempered hollow glass, and is installed on the curtain wall vertical frame outside the tempered hollow glass through the connecting piece one. The connecting piece one is clamped on the middle tooth of the adjustable steel plate through buckling, and the three teeth of the adjustable steel plate form two empty slots, which are internally provided with lamp strips. The present application adopts a prefabricated production mode, simplifies the on-site construction process, and only needs to select appropriate size for buckling and installation according to the actual construction condition, thereby significantly accelerating the construction speed and improving the construction efficiency.

The application relates to the technical field of bridge and tunnel construction, in particular to a small-clearance bridge and tunnel combined structure anti-interference construction method. The bridge and tunnel combined structure comprises a bridge and a tunnel arranged in parallel along an axial direction; the tunnel comprises a tunnel vertical excavation section adopting a first slope and a second vertical excavation of a tunnel foundation pit and a tunnel slope excavation section adopting multi-stage slope excavation of a tunnel foundation pit; the bridge comprises a bridge slope excavation section adopting slope excavation of a pile cap foundation pit and a bridge vertical excavation section adopting vertical excavation of a pile cap foundation pit; the anti-interference construction method comprises the following steps: S1, setting the depth of the tunnel foundation pit slope excavation to be greater than the pile cap embedded depth of the bridge slope excavation section; after the tunnel foundation pit is excavated and stabilized, the bridge pile foundation is constructed; S2, after the bridge pile foundation construction is completed, the tunnel main body structure construction and the pile cap construction of the bridge slope excavation section are simultaneously performed; S4, after the tunnel foundation pit backfilling is completed, the construction of the remaining structure of the bridge is performed, the pile cap construction of the bridge slope excavation section is prepositioned, and the construction speed is improved.

The invention discloses an opposite-pull assembly for a UHPC bent cap formwork, the UHPC bent cap formwork and a combined bent cap. The opposite-pull assembly comprises an opposite-pull rod and a pair of opposite-pull rod fixing pieces arranged on the tops of a pair of formwork webs correspondingly. The opposite-pull rod fixing piece comprises a pre-buried fixing plate fixedly arranged on the inner surface of a formwork web and a clamping plate fixedly arranged on the outer surface of the formwork web, and through holes allowing the opposite-pull rods to penetrate through are formed in the areas, exceeding the top of the formwork web, of the pre-buried fixing plate and the clamping plate. And the end parts of the opposite pull rods penetrate through the through holes in the pre-embedded fixing plate and the clamping plate, and are fixed through an inner fastener positioned on the inner surface of the pre-embedded fixing plate and an outer fastener positioned on the outer surface of the clamping plate. The opposite-pull rod is arranged above the top of the formwork web, the opposite-pull rod can be dismantled and reused, and the economic performance is good. And meanwhile, holes are not required to be formed in the formwork webs for mounting the opposite-pull rods, so that the structural integrity of the formwork webs is better, and the appearance is more attractive.

This invention discloses a ladle bottom with a partition wall structure for steel or iron ladles, comprising a permanent layer and a working layer sequentially cast into the bottom. A partition wall is provided between the permanent and working layers, dividing the bottom into multiple independent areas. The lower part of the partition wall is embedded in the permanent layer, and the upper part is embedded in the working layer. Bottom-blown permeable bricks are also provided on the bottom, placed within the corresponding independent areas. This invention reduces destructive operations on the entire ladle bottom, reduces refractory material consumption and operation time, and also helps improve the integrity of the furnace lining structure. It can reduce the amount of furnace bottom castable, increase construction speed, improve the safety of steel or iron ladle operation, and reduce the occurrence of accidents.

This invention discloses a flexible protection structure for modified and reinforced surface soil slopes of high-fill embankments and a method for stability prediction. The protection structure includes a multi-level platform slope and a drainage structure. The top of each platform is a flexible retaining structure, which is constructed in layers of low-dosage modified soil. Each layer of low-dosage modified soil is wrapped by a layer of geogrid. Vertical steel beams for support are installed inside the flexible retaining structure at the toe of the slope. The slope of the multi-level platforms is filled with high-dosage modified soil. The drainage structure includes a mesh-like water collection and interception structure, T-shaped drainage pipes, and drainage boards. This invention fully utilizes the skeletal function of the slope protection structure, the erosion and softening prevention function of the drainage structure, and the flexible retaining structure to protect high-fill embankment slopes in hot and humid southern regions under the premise of low construction cost, fast construction speed, and guaranteed construction quality.

The utility model discloses a quick switching connecting device for steel pipe pile grouting construction, include: mounting panel, present arc shape buckling in the outer wall of steel pipe pile, grouting pipe, horizontal setting in the one end of mounting panel, and be used for connecting the grouting mouth of steel pipe pile lower extreme, pump pipe joint, fix on concrete pump pipe, and be used for connecting grouting pipe, screw, set up in the one end of mounting panel away from grouting pipe, and present up and down distribution, and be used for fixing on steel pipe pile, and the horizontal setting of mounting panel has the strip -shaped hole that supplies screw to wear, locking piece, fix on steel pipe pile, and be used for fixed mounting panel, the utility model has the following advantages and effect: through setting up the mounting panel of sliding installation on steel pipe pile, and setting up grouting pipe on mounting panel, make the grouting pipe of slippage of mounting panel connect grouting mouth on steel pipe pile, also can realize the plugging of grouting mouth, make construction process more convenient, improve construction efficiency, be favorable to the rapid construction of batch steel pipe pile.

The utility model relates to the technical field of mixing pile construction, disclose a kind of mixing pile mud splashing prevention device including shielding subassembly and base;Shielding subassembly includes multiple shielding monomers, rotationally connected between adjacent shielding monomers, the shielding monomer for being connected to mixing pile drill rod in multiple shielding monomers one end, the shielding monomer connected to base in multiple shielding monomers other end.The utility model shielding monomer rotationally connected and two ends are connected drill rod and base, can closely adhere drill rod lifting track, angle is flexibly adjusted to reduce mud overflow, improve mud efficiency;Modular structure adapts to different drill rod specifications and construction conditions, solve the problem of traditional mudguard adaptation difference;Portable design and dismounting are convenient, can save construction manpower time cost, improve construction efficiency.

The application discloses a prestressed self-adaptive flexible cable photovoltaic support system, which comprises herringbone-shaped support frames arranged at two ends, three supporting steel cables arranged between the two herringbone-shaped support frames, a stabilizing frame arranged between the three supporting steel cables, and photovoltaic panels installed between two supporting steel cables, wherein the herringbone-shaped support frame comprises two inclined pull rods, a positioning cross rod is arranged between the two inclined pull rods, a supporting rod is further arranged on one side of the two inclined pull rods, a fixing cross rod is arranged between the two supporting rods, and the supporting steel cables are fixed on the fixing cross rod through the positioning cross rod. The light-weight flexible cable support can provide certain prestress through tension equipment, has strong supporting performance, greatly reduces the transportation and installation cost, and is relatively efficient in the field tension process, so that the construction speed is improved.

This invention relates to the field of building construction technology, specifically to an exterior wall structure and its construction method. The exterior wall structure includes: fasteners, penetrating the lower floor slab, with at least two fasteners; a first wall section disposed between two adjacent fasteners; a ring beam, fixedly connected to one end of the fasteners away from the lower floor steel beam, and sequentially connecting multiple fasteners; and a second wall section having a wall panel section and a door / window section, with both ends of the second wall section fixedly connected to the ring beam and the upper floor steel beam, respectively, along the height direction of the exterior wall. The exterior wall structure provided by this invention, by fixing multiple fasteners to the lower floor steel beam and setting a first wall section between two adjacent fasteners to form a lower wall, and by setting a ring beam on the fasteners and fixing the wall panel section and door / window section to the upper floor steel beam through the ring beam, is suitable for forming an upper wall, thereby simplifying the connection between doors / windows and the wall and improving the overall construction speed of the exterior wall.

The utility model discloses an ambient air monitoring device. The environment air monitoring equipment comprises a vertical rod, a foundation is installed at the lower end of the vertical rod, and a display screen is installed on one side of the vertical rod; the vertical rod comprises a first rod body and a second rod body, and a connecting rod is arranged between the first rod body and the second rod body; the foundation comprises a bottom plate fixedly installed at the lower end of the vertical rod. The display screen comprises a display assembly and a frame used for fixing the display assembly. And the frame is rotationally mounted on the connecting rod. According to the environment air monitoring equipment, in strong wind weather, wind blows on the surface of the display screen to generate large thrust on the display screen, the display screen rotates under the action of wind power until the display screen is consistent with the wind direction, the stress on the two sides of the display screen is balanced and keeps consistent with the wind direction, and meanwhile, the display screen is not damaged. The possibility that abrasive paper doped in strong wind impacts on the display screen is smaller, and therefore damage to the display screen is reduced.

The invention relates to an adjustable inner support of an inner side template of an inverted-cone-shaped sedimentation tank, and relates to the technical field of angle steel supports, the adjustable inner support comprises a fixing mechanism, a main shaft mechanism and a supporting mechanism, the main shaft mechanism comprises a main rod and a top frame, the top frame is fixedly installed at a preset position, the main rod is fixedly installed at the bottom end of the top frame, and the bottom end of the main rod is fixedly connected with the fixing mechanism; the supporting mechanism comprises a plurality of angle steel and a plurality of mounting seats, the angle steel comprises a first plate body and a second plate body, the second plate body is fixedly mounted on the first plate body, a plurality of connecting holes are formed in each of two ends of the first plate body, and inclined surfaces are formed in two ends of the second plate body; the mounting seat is fixedly connected with the main rod, one end of each angle steel is hinged to the mounting seat, the angle steel is hinged to the mounting seat by inserting fixing pins into the connecting holes, the angle steel is connected through the fixing pins, and the angle steel at one end is fixedly connected with the settling pond template. According to the invention, rapid assembly can be realized, and a large amount of assembly time is saved.

The utility model belongs to the field of buildings. Comprising a lime soil backfill layer, a steel plate, a fixed keel, a top plate formwork and a plurality of vertically stacked support bodies arranged between the steel plate and the fixed keel, the adjacent support bodies are connected through a composite connector, each support body is provided with a consolidation structure, the steel plate is arranged on the upper side of a soft foundation, and the lower sides of the support bodies are fixed to the steel plate through channel steel. The top plate formwork is arranged on the upper side of the fixed keel, and the upper side of the support body is connected with the fixed keel through an adjustable support. The upper side of the soft foundation is backfilled with the lime soil to form the lime soil backfilling layer, the steel plate is arranged on the upper side of the lime soil backfilling layer, the fixed keel is arranged on the lower side of the top plate formwork, the support bodies capable of being vertically stacked are arranged between the fixed keel and the steel plate, and each support body is provided with the consolidation structure. Therefore, top plate deflection deformation overrun caused by soft soil layer supporting foundation subsidence and single frame body deformation is effectively prevented.

The invention relates to the technical field of photovoltaic supports, in particular to a sloping roof photovoltaic support and a construction method thereof, and the photovoltaic support comprises a plurality of back pull assemblies, a plurality of ground beam assemblies and a plurality of photovoltaic mounting base assemblies. The back pull assembly comprises a rear wall inclined strut, a rear wall transverse strut and a back pull, one end of the rear wall inclined strut is arranged on the rear wall of the house, the other end of the rear wall inclined strut is arranged on the back pull, one end of the rear wall transverse strut is arranged on the rear wall of the house, and the other end of the rear wall transverse strut is arranged on the back pull; the ground beam assembly comprises a front wall inclined strut, a front wall transverse strut and a ground beam, one end of the front wall inclined strut is arranged on the front wall of the house, the other end of the front wall inclined strut is arranged on the ground beam, and one end of the front wall transverse strut is arranged on the front wall of the house. After being installed, the support is not connected with the roof, and an original waterproof layer or waterproof tiles of the roof are prevented from being damaged; by arranging the positioning assembly, positioning installation of the back pull and the ground beam is conveniently achieved, and the construction efficiency is improved.

The utility model provides a steel structure connecting assembly, and relates to the technical field of steel structures. A cross beam cavity matched with the cross beam is formed in the stand column, fixing cavities are formed in the positions, located on the two sides of the cross beam cavity, of the stand column, and fixing bases are fixedly arranged in the fixing cavities; a two-way lead screw is rotationally arranged in the fixing base, clamping columns are movably arranged on the upper end and the lower side of the fixing base, and clamping cavities are formed in the positions, corresponding to the clamping columns, of the cross beam in a matched mode; a silica gel pad is laid on the inner wall of the clamping cavity. According to the utility model, the problem that the steel structure joining assembly generally realizes the joining of the steel structure through welding, bolt connection or rivet connection and the like is solved. The procedures of the connection modes are complex, a higher technical level and finer operation are needed, and the construction difficulty is increased. And the construction time can be increased due to complex procedures, so that the construction speed is reduced.

The utility model belongs to the technical field of concrete formworks, and particularly relates to an M-shaped side wall disassembly-free steel pipe main keel formwork overall moving clamping piece. Comprising an M-shaped clamping piece, two concave included angles are constructed on the M-shaped clamping piece, the two concave included angles are located between two long edges, the M-shaped clamping piece can be clamped on two steel pipe main keels through the two concave included angles, the two concave included angles are separated, a gap for a split screw to penetrate through is reserved between the two steel pipe main keels, the two long edges of the M-shaped clamping piece are connected with a secondary keel, and the two long edges of the M-shaped clamping piece are connected with the secondary keel. The steel pipe main keel and the steel pipe secondary keel are fixedly connected together through a plurality of M-shaped clamping pieces; the steel pipe main keel is fixed on the secondary keel through the M-shaped clamping piece, the main keel and the secondary keel do not need to be dismantled in the formwork moving process and can move along with the formwork, the overall moving area of the formwork is increased, and the installation speed of the formwork is increased.

The invention belongs to the field of building construction, and particularly relates to an underground space rapid construction method for overcrossing an existing operating subway tunnel, which comprises the following steps: step 1, removing 1.5 m-thick topsoil on the surface of an excavated area before excavation; secondly, the foundation pit of the excavated area is divided into nine small blocks; thirdly, nine small blocks in the second step are dug through a warehouse jumping method; fourthly, after each small block is dug to the preset depth, a gravel cushion layer, an EPS plate and a gluing formwork are sequentially laid from bottom to top; fifthly, bottom plate steel bars bound in advance are hoisted to the bottom of the foundation pit at the positions where the bottom plate steel bars are laid in the third step, and then concrete containing a reinforcing agent is poured to the bottom plate steel bars; sixthly, waterproof construction is conducted on the foundation pit through an acrylate spraying film, the waterproof effect is guaranteed, and the problems that in an existing construction mode, the speed is low, the requirement of an overpass underground space project cannot be met, and the time limitation of a subway department cannot be met are solved.

The utility model discloses a flexible cable supporting device, which can solve the technical problems caused by the use of cable supports such as rigid structure groove boxes or bridges in local special areas in the prior art. The flexible cable supporting device comprises a tubular coating structure, a suspension cable, stainless steel sleeves and a bolt and nut kit, the suspension cable penetrates through the middle of the tubular coating structure, and the stainless steel sleeves are installed at the two ends of the tubular coating structure. The flexible cable supporting device provided by the utility model can replace the original rigid cable support such as a groove box or a bridge in special occasions.

An adjustable beam opening clamp comprises a left side adjusting clamping plate, a right side fixing clamping plate and an adjusting pre-tightening mechanism. The left side adjusting clamping plate and the right side fixing clamping plate are combined and installed to form a U-shaped bayonet structure with the adjustable distance, an adjusting pre-tightening mechanism is arranged at the combined installation position, and the distance of the U-shaped bayonet structure is adjusted and fixed through the adjusting pre-tightening mechanism. The left side adjusting clamping plate is formed by fixedly arranging a vertical left clamping plate and a left side transverse telescopic sleeve to form an L-shaped left side part of the U-shaped bayonet structure; the right side fixing clamping plate is formed by fixedly arranging a vertical right clamping plate and a right side transverse telescopic cylinder, and an L-shaped right side part of the U-shaped bayonet structure is formed. The construction method has the beneficial effects that the construction formwork supporting structure is simplified, operation is easy, and the construction speed of supporting of the water-stopping ridge formwork is increased; the adjustable structure can be repeatedly disassembled and used, so that the construction cost is reduced; in the whole construction process, no waste is generated, no environmental pollution problem such as dust is generated, and the green construction requirement is met.

The utility model provides a sundry fishing tool suitable for photovoltaic pile holes of multiple specifications. The sundry fishing tool suitable for the photovoltaic pile holes of the multiple specifications comprises a first frame rod and a second frame rod, the first frame rod is composed of a first steel pipe, a third lengthening rod and a first lengthening rod, and the second frame rod is composed of a second steel pipe, a fourth lengthening rod and a second lengthening rod; the first welding lug and the second welding lug are arranged on the first lengthening rod and the second lengthening rod respectively, and the same control spring is arranged between the first welding lug and the second welding lug. According to the sundry fishing tool suitable for the photovoltaic pile holes of the multiple specifications, the technical problem that after holes are drilled in the sandy soil geological environment, sand and stones on the tops and the inner walls of the holes fall into the holes due to vibration, and the subsequent concrete pouring quality is affected is solved.

This invention discloses a combined steel formwork system for anchor beams on soft rock high slopes and its usage method. The system includes adjustable supports (5); combined steel formwork for main beam segments, which includes a left formwork, a right formwork, and a top formwork. The left formwork includes a left formwork main panel (1) and a left formwork flange plate (2) located on one side of the top of the left formwork main panel (1). The top formwork includes a top formwork main panel (12) and a top formwork right-side protruding water-retaining flange plate (11) located on the top of one side of the top formwork main panel (12); a formwork fastening device (13) located between the left, right, and top formswork; and an integral steel formwork for the cross-shaped nodes of the frame beams at the joint points of multiple combined steel formwork units for anchor beams on soft rock high slopes. The system of this invention controls the elevation and straightness of the side forms by adjusting the adjustable supports, thereby unifying the dimensions of the frame beams and solving the problem of the difficulty in manually leveling the bottom of rock trenches.