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33results about How to "Good for turnover" patented technology

Novel turnover wellhead safety protection tool

The utility model relates to a novel turnover wellhead safety protection tool which comprises an upper circular hoop and a lower circular hoop, the upper ends of the inclined rods are hinged to the upper circular hoop and are arranged in a circle at intervals; the hinge joint is of a cross type and comprises a first shaft sleeve and a second shaft sleeve hinged to the first shaft sleeve in a cross mode, and the first shaft sleeve is connected to the inclined rod in a sliding and sleeving mode; the lower circular hoop is sleeved in the second shaft sleeve in a sliding manner; the threaded strips are arranged at the end of the first shaft sleeve at intervals, surround a circle and extend outwards in an arc shape; the rubber pads are laid on the inner side faces of the threaded strips; and the nut is connected with a circle of thread strip around the thread and is arranged at the root of the thread strip. The anti-falling device can protrude out of the upper portion of a well mouth, an anti-falling signboard can be conveniently installed, and the anti-falling device can also adapt to lock mouth ring beams of different specifications.
Owner:CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP

Standardized fence convenient to assemble

The invention provides a standardized fence convenient to assemble, which comprises at least one supporting unit, the supporting unit comprises four fence plates with the same structure, and the four fence plates form a V-shaped structure and an inverted V-shaped structure which is arranged on two sides of the V-shaped structure and comprises one side of the V-shaped structure; the regular V-shaped structure and the inverted V-shaped structure are not coplanar and form a V-shaped projection on the ground. The breast board is manufactured according to the unified standard and can be transported to the site to be rapidly installed after being manufactured in a factory, the manufacturing cost is remarkably reduced, and the manufacturing efficiency and the installation efficiency are improved; a triangular structure which is spatially staggered is formed between the two breast boards, so that good overall stability and impact resistance are achieved; the formed fence has a certain width, the effective interception area is increased, and the use requirements of different lengths can be met. The breast boards are connected through the connecting pieces, flexible adjustment can be achieved, connection is easy and convenient, supporting is stable, mounting and dismounting time is saved, and turnover use is facilitated.
Owner:MCC TIANGONG GROUP

Movable steel box type intelligent mud pit

The utility model relates to a movable steel box type intelligent mud pit which comprises a mud pit body used for containing mud for constructional engineering. The moving structure is arranged on the mud pit main body and used for moving the mud pit main body; and the mud monitoring device is arranged on the side wall of the mud pit main body, extends into the mud pit main body and monitors performance indexes of mud contained in the mud pit main body. According to the utility model, the problems of high configuration cost and inconvenience in turnover of the mud pit in a limited site are solved, and the problem of environmental pollution caused by slag salvaging transportation can be avoided. Universal wheels are arranged at the bottom of the mud pit, plane movement between adjacent piles can be achieved, and lifting lugs are welded to the four corners of the top so that hoisting of a crane can be facilitated, and transferring and turnover in a site are convenient and fast. The intelligent slurry monitoring device dynamically detects performance indexes of relative density, viscosity and sand content of slurry so as to adjust the quality of the slurry in real time and ensure that the indexes of the slurry meet various requirements before the underwater concrete is poured, so that the pouring quality of the underwater concrete is ensured, and the construction efficiency is improved.
Owner:BEIJING ENG COMPANY LIMITED OF CHINA RAILWAY URBAN CONSTR GRP +1

Movable dustproof awning supporting device

ActiveCN222542152USolving Mobility Issuesrapid deploymentBilateral symmetryWire rope
The utility model relates to a movable dustproof awning supporting device which comprises a horizontal support, a stand column, an inclined supporting rod, a balance weight frame, a top beam, a steel wire rope and a ground beam. The stand column is vertically installed in the middle of the horizontal support. The top end of the inclined supporting rod is fixedly connected with the stand column, and the bottom end of the inclined supporting rod is fixedly installed on the horizontal support. A plurality of groups of horizontal supports, stand columns, inclined supporting rods and counterweight frames are arranged at intervals in the front-back direction, and the top of each stand column is detachably connected with a top beam. Ground beams are vertically and detachably connected between the horizontal supports in the front-back direction, the ground beams are located on the side opposite to the inclined supporting rods, and the balance weight frames are arranged on the connecting points of the ground beams and the horizontal supports; the horizontal supports, the stand columns, the inclined supporting rods, the balance weight frames and the top beams are arranged in two rows in a bilateral symmetry mode, and steel wire ropes are vertically connected between the left set of top beams and the right set of top beams. Compared with a traditional dustproof awning supporting structure, bolts do not need to be embedded, and a foundation does not need to be poured; and after use, the top beam and the ground beam can be detached and can be repeatedly used, so that the construction cost is reduced.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD +1

Clamping plate for champagne rack

The utility model relates to the technical field of champagne frame clamping plates, and discloses a clamping plate for a champagne frame, which comprises the champagne frame, an inner clamping ring is arranged inside the champagne frame, a wine bottle frame is fixedly connected inside the inner clamping ring, the wine bottle frame comprises a bottle frame, the periphery of the bottle frame is fixedly connected with the inner clamping ring, the periphery of the inner wall of the bottle frame is provided with a bottle groove, and the inner clamping ring is fixedly connected with the bottle groove. Locking rods are distributed on the periphery of the interior of the bottle groove, one end of each locking rod is connected with a spring frame, and one end of each spring frame is connected with a bottle ring frame. The locking rod structures are arranged in the multiple sets of bottle racks in the inner clamping plate structure, self-locking is achieved in cooperation with self-bearing of champagne bottles, so that stable carrying of multiple sets of champagne is kept, the champagne bottles are not prone to falling off, the multiple sets of bottle rack structures are evenly distributed on the whole inner clamping plate, the multiple sets of champagne bottles can be loaded at a time, and the champagne bottle rack is convenient to use. Each champagne bottle is accurately clamped, so that the champagne bottle is not easy to fall off, the placing process is convenient, and safety and stability can be kept in the shaking and transferring processes.
Owner:ZHAOQING MINGKAI HARDWARE & ELECTROMECHANICAL CO LTD

Road construction formwork fixing device

PendingCN119531219ARealize the function of limit fixationachieve fixationRoads maintainenceArchitectural engineeringRebar
The invention discloses a road construction template fixing device, and relates to the technical field of road construction, the road construction template fixing device comprises a pair of templates fixed on a foundation, a plurality of fixing steel bars are slidably mounted on the pair of templates, and the other end of each fixing steel bar is fixedly mounted on the foundation; a pair of mounting columns is fixedly mounted on one side of each formwork, a pull rod is jointly and fixedly mounted between the pair of mounting columns, and a fixing assembly is further included. According to the fixing device, the effect of stably and firmly fixing the construction formwork is achieved; the problems that in the prior art, only a pull rod is used for fixing, the fixing effect is poor, in the construction process, formwork shifting, deformation, deviation and other problems are easily caused, and therefore the construction efficiency and quality are affected are solved.
Owner:CHINA CONSTR EIGHTH ENG BUREAU (GANSU) CONSTR CO LTD

Supporting device

The utility model relates to the technical field of floor slab construction, and discloses a supporting device which is suitable for being arranged between a lower floor slab and an upper floor slab formwork and comprises a first supporting piece arranged above the upper floor slab formwork, a second supporting piece arranged above the upper floor slab formwork, a first installation hole formed in the first supporting piece and suitable for supporting concrete pouring equipment, and a second installation hole formed in the second supporting piece, the second supporting piece is arranged below the upper-layer floor slab formwork and fixed to the lower-layer floor slab, a second mounting hole is formed in the second supporting piece, and the second mounting hole and the first mounting hole are oppositely formed; the first fastening piece is arranged in the first mounting hole and the second mounting hole in a penetrating mode and suitable for being fixedly connected with the first supporting piece and the second supporting piece. The concrete pouring equipment is supported on the supporting device and does not act on the upper-layer floor slab formwork, the situation that the upper-layer floor slab formwork is driven to vibrate after the concrete pouring equipment generates large-degree vibration in the pouring process can be avoided, and construction safety and construction quality can be improved.
Owner:CHINA CONSTR SCI & IND CORP LTD

Shield tunnel buried pipe grouting system and method

The present invention discloses a shield tunnel buried pipe grouting system and method, the device includes a ball valve and a hydraulic buried pipe grouting kit, the hydraulic buried pipe grouting kit includes a hydraulic drive mechanism, a first check valve is installed in the sleeve valve pipe, and a second check valve is arranged in the pipe segment hoisting hole; the method includes step one, installing the ball valve; step two, fixing the hydraulic drive mechanism; step three, determining the length of the sleeve valve pipe and fixing the sleeve valve pipe; step four, burying the sleeve valve pipe; step five, removing the hydraulic drive mechanism; step six, grouting reinforcement. The present invention uses a hydraulic buried pipe grouting kit to bury the sleeve valve pipe, and check valves are arranged in the pipe segment hoisting hole and the sleeve valve pipe. When burying the sleeve valve pipe, a multiple sealing system can be formed to ensure that the entire buried process of the sleeve valve pipe is in a sealed state to avoid gushing disasters. The hydraulic buried pipe grouting kit does not damage the sleeve valve pipe, can reduce the investment of labor costs, effectively reduce construction costs, and improve construction efficiency.
Owner:CHINA RAILWAY FIRST GROUP CO LTD +1

Cantilever protective shed with waterproof function

The utility model discloses an overhanging protective shed with a waterproof function, which belongs to the technical field of construction safety protection and comprises a mounting seat, a frame, a panel, a water chute and an upper pull rod. The mounting seats are arranged on a building main body at intervals; the frame is connected with the mounting seat; the panel is arranged on the frame; the water chute is arranged along the inner side of the protective shed and is connected with the panel, the bottom of the water chute is communicated with a water guide pipe, and the top surface of the chute wall of the water chute is not higher than the top surface of the panel; two ends of the upper pull rod are respectively connected with the building body and the frame. The water guide groove is connected with the first shed plate, so that liquid on the first shed plate can be quickly collected and discharged through the water guide pipe, pollution to a lower wall is avoided, and the purpose of water insulation and water retaining is achieved; waterproof coiled materials are laid on the first shed plates, water seepage and water leakage at the abutted seams of the panel units are avoided, and the water insulation capacity is improved; the cantilever beams and the supporting rods are combined to form the frame, the strength of the frame is improved, connection stability is guaranteed by arranging the upper pull rods and the stiffening ribs, and the bearing capacity of the protective shed is improved.
Owner:THE THIRD CONSTR ENG CO LTD OF CHINA CONSTR SECOND ENG BUREAU

Pipe pile cantilever safety platform and installation method thereof

The invention discloses a tubular pile cantilever safety platform and a mounting method thereof, and is characterized in that an upper friction self-locking node and a lower friction self-locking node are distributed on the outer wall of a tubular pile up and down; a plurality of horizontal supporting arms are uniformly connected to the periphery of the upper friction self-locking node; a platform is mounted on the upper surface of the horizontal support arm; a platform plate is installed on the top face of the platform, and guardrails are arranged on the outer edge. The adjustable supporting rod is connected with the lower friction self-locking node and the horizontal supporting arm, and a triangular supporting structure is formed below the horizontal supporting arm. The upper friction self-locking node and the lower friction self-locking node each comprise a wedge-shaped sliding block and a friction self-locking clamp. The friction self-locking clamp is used as a supporting point and matched with the adjustable supporting rod to serve as a support, the steel structure platform and the guardrail are installed on the outer wall of the pipe pile, and therefore a safe operation platform is provided, and the problem that a traditional movable scaffold cannot be erected is solved.
Owner:CHINA MCC5 GROUP CORP LTD +1

A concrete formwork for road widening reconstruction project and a formwork erecting structure

The application provides a road widening reconstruction engineering concrete formwork and a formwork erecting structure. The road widening reconstruction engineering concrete formwork comprises a steel plate, the length of the steel plate is 1m-2.5m, the thickness of the steel plate is 2mm-4mm, the height of the steel plate is greater than the thickness of the original concrete road by more than 8cm, and the maximum height of the steel plate is 50cm; a row of rope perforations is arranged in the middle of the steel plate, and a rope locking piece is arranged at the rope perforation. The formwork erecting structure comprises an anchoring rod and an anchoring rope, the road widening reconstruction engineering concrete formwork is vertically inserted into a foundation base, one end of the anchoring rope is fixed on the anchoring rod, the other end of the anchoring rope is fixed on the steel plate by the rope locking piece, and the steel plate is pulled and fixed. The concrete formwork is simple in structure, light in weight, convenient to use, the formwork erecting structure does not need a complex support system or large mechanical assistance, the formwork erecting process is simplified, and the construction cost is effectively saved.
Owner:CHINA RAILWAY GRP CORP GENERAL CONTRACTING BRANCH +1

Adjustable hanging basket life rope protection device

The invention discloses an adjustable hanging basket life rope protection device which comprises a clamp, a plurality of clamping assemblies are installed on one side of the clamp and evenly arranged on one side of the clamp, a fixing base is installed at the top of the clamp, a supporting frame is rotatably installed at the top of the fixing base, and a winding wheel is rotatably installed in the supporting frame. A protective cover is further installed on the outer side of the top of the supporting frame, and an adjusting mechanism is further installed on the protective cover. The life rope winding device has the beneficial effects that the durability of a life rope can be effectively protected, the problem of long-term abrasion of the life rope is solved, the winding wheel can adjust the setting angle of a safety rope under the action of the fixing base and the supporting frame, the winding wheel can further facilitate arrangement and collection of the life rope, and the life rope winding device is convenient to use and carry, convenient to recycle for multiple times and high in practicability. The cost is reduced.
Owner:四川省建筑机械化工程有限公司

Combined steel structure high-altitude welding fire receiving bucket hanging cage

The utility model discloses a combined type steel structure high-altitude welding fire receiving bucket hanging cage which comprises a Z-shaped plate, a first hanging groove and a second hanging groove, the first hanging groove and the second hanging groove are formed in the upper side and the lower side of the two ends of the Z-shaped plate respectively, and groove openings of the first hanging groove and the second hanging groove are arranged inwards. The welding cage is detachably installed in the second hanging groove, a fixing rod is connected to one side of the middle of the welding cage, and a strip-shaped opening is formed in the end of the fixing rod; and an L-shaped rod is connected into the fire welding hopper, and the top of the L-shaped rod is installed in the strip-shaped opening through a rotating shaft. The fire welding bucket can be rapidly and safely hung on a flange plate of a steel structure beam through the Z-shaped plate, meanwhile, during welding operation, the fire welding bucket can be moved to a welding face through the L-shaped rod, the flexibility of the fire welding bucket is greatly improved, and the fire welding bucket is suitable for the operation environment that the welding face space is narrow, and efficient transfer is needed.
Owner:CHINA RAILWAY NO 5 ENG GRP BUILDING ENG +1

A top tube backrest wall for monitoring pressure

ActiveCN224416317UAdjust force status in real timeavoid wear and tearElectrical connectionStrain gauge
The utility model relates to pipeline pressure measurement technical field, and disclose a kind of monitoring pressure's pipe backrest wall, including the first pouring body and second pouring body for constituting backrest wall, first pouring body and second pouring body are symmetrically arranged, the front side of first pouring body is vertically and leans against pipeline, the center area between first pouring body and second pouring body is provided with strain gauge in four corners, strain gauge is used to measure the impact force size that fluid in pipeline exerts on backrest wall, when strain gauge is pasted in backrest wall, backrest wall is subjected to pressure from pipeline and can cause strain gauge to produce deformation, the outside of backrest wall is provided with mainboard controller, the output end of strain gauge is electrically connected with mainboard controller, and mainboard controller includes processor and signal transmitting module, the output end of signal transmitting module is connected display screen, display screen can display pressure reading, so that staff can quickly read the pressure reading of pipe, and then real-time adjust pipe stress state, prevent pipeline overload damage.
Owner:THE FOURTH OF CHINA CONSTR SEVENTH ENG

Drainage structure applied to post-cast strip

The utility model provides a drainage structure applied to a post-cast strip. The drainage structure comprises a plurality of water grate cover plates, a first baffle, a plurality of drainage grooves and a second baffle. A plurality of grate water cover plates are laid on the through ribs in the post-cast strip; the first baffle plate, the plurality of drainage grooves and the second baffle plate are sequentially overlapped to form a water collecting groove with an upper end opening; a plurality of connecting frames are arranged in the water collecting tank at intervals, and lifting points are symmetrically arranged on the connecting frames; opposite-pulling connecting pieces used for hanging the water collecting tank below the post-cast strip are arranged on the hanging points, and the upper ends of the opposite-pulling connecting pieces are hung on the grate water cover plate; the lower end of the water collecting tank is provided with a plurality of drainage pipe assemblies used for draining water flow in the water collecting tank into the water collecting well at intervals. According to the post-cast strip, the problems that the construction efficiency of the basement is low and the construction quality is possibly influenced due to the fact that external water flow is poured into the basement in an unorganized mode through the post-cast strip can be solved.
Owner:上海泾东建筑发展有限公司

Shaped steel step plate of climbing ladder for people to go up and down on construction site

The utility model relates to the technical field of ladder treads, in particular to a shaped steel tread of a ladder for people to climb up and down on a construction site, which comprises an upper caliper, a drain hole and a fixture block, and has the beneficial effects that the upper caliper is arranged, and a detachable pedal is connected with a main rod through the upper caliper and the lower caliper, so that the steel tread is convenient and quick to install on the construction site, and the construction efficiency is improved. A worker can carry a plurality of parts, installation is convenient, the turnover utilization rate of materials is improved, drainage is convenient in rainy days through the arrangement of the drainage holes, the antiskid coefficient of the pedal is increased through the design of the antiskid strips, the clamping blocks are arranged on the inner sides of the upper calipers and connected with the clamping grooves in the outer sides of the main rods in a clamped mode, and the pedal and the main rods are prevented from sliding relative to each other when the pedal bears loads; the inner side of the lower caliper is provided with the insertion rod, and the insertion rod is connected with the connecting rod in an insertion manner, so that when the pedal bears load, part of force acts on the insertion rod, the pedal is prevented from bearing overweight, the nut and the screw rod are prevented from loosening, and the safety performance of the crawling ladder is enhanced.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Forming method of ultra-high performance concrete acoustic wallboard for theater

The invention discloses a forming method of an ultra-high performance concrete acoustic wallboard for a theater. The forming method comprises the following steps: 1, manufacturing a reverse mold; 2, silica gel reverse molding; thirdly, a forming mold of the UHPC acoustic wall plate is erected; 4, binding the UHPC acoustic wallboard back keel and the reinforcing steel bars; fifthly, steel bar connecting pieces are arranged in the forming die; sixthly, concrete is poured; and 7, maintaining and removing the mold. The UHPC acoustic wallboard with the concave-convex textures on one side is formed after the cubic strip-shaped reflection blocks are sequentially arranged on one side of the wallboard body, sound generated by a theater can be reflected to the periphery in a scattering state through the concave-convex textures on the UHPC acoustic wallboard, the situation that the theater generates echoes, and the audio-visual effect of the theater is affected is avoided, and the sound quality of the theater is improved. And meanwhile, a bottom die of the UHPC acoustic wallboard is formed in a silica gel reverse die mode, then the UHPC acoustic wallboard is formed, the forming efficiency and the forming quality of the UHPC acoustic wallboard can be effectively improved, and turnover use of the forming die is facilitated.
Owner:陕西建工第八建设集团有限公司

Large-diameter PCCP (prestressed concrete cylinder pipe) drawing device

The utility model discloses a large-diameter PCCP (prestressed concrete cylinder pipe) pipe drawing device which comprises a first hanging frame hung at the end of an installed pipe, a second hanging frame hung at the end of a pipe to be drawn out and a plurality of hydraulic jacks arranged between the first hanging frame and the second hanging frame, the first hanging frame comprises a plurality of first Z-shaped plates, and the second hanging frame comprises a plurality of second Z-shaped plates. The first hanging frame comprises a plurality of first Z-shaped plates which are connected into a whole through first arc-shaped connecting steel plates, and the second hanging frame comprises a plurality of second Z-shaped plates which are connected into a whole through second arc-shaped connecting steel plates. The pipeline pulling-out device is reasonable in structural design, wide in application range and convenient to recycle, the first hanging frame is hung at the end of an installed pipeline, the second hanging frame is hung at the end of a pipeline to be pulled out, the hydraulic jacks are arranged between the first hanging frame and the second hanging frame, and the pipeline to be pulled out is pulled out by starting the hydraulic jacks. The pipeline pulling-out device is convenient and fast to operate, and anti-corrosion materials on the surface of the pipeline cannot be damaged in the pipeline pulling-out process.
Owner:SINOHYRDO ENG BUREAU 3 CO LTD +1

Turnover composite steel-wood keel

The utility model relates to a keel and belongs to the technical field of engineering construction, in particular to a turnover composite steel-wood keel which comprises a square timber inner core and a C-shaped steel rib, the square timber inner core comprises a first square timber and a second square timber, and the first square timber and the second square timber are equal in width and thickness. The ends, close to each other, of the first square timber and the second square timber are each provided with a W-shaped child-mother finger connector, and the first square timber and the second square timber are sequentially arranged and lengthened. The C-shaped wood beam is formed by combining the waste wood beam and the C-shaped steel, the advantage that the wood beam is easy to nail is reserved, the advantages that steel is high in flatness and large in bearing capacity are reserved, and meanwhile the phenomenon of random cutting on site can be greatly reduced, so that the loss rate is reduced, the turnover rate is improved, and the C-shaped wood beam serves as an ideal substitute of the wood beam and is worthy of popularization. The waste rate of traditional battens can be reduced, and the problems that in the existing construction process, material resources are difficult to fully utilize, the repeated utilization rate of waste materials is low, and the construction cost cannot be saved are solved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Prefabricated part preformed hole positioning device

ActiveCN224089274UQuick vertical supportStable vertical supportCeramic shaping mandrelsCeramic shaping coresStructural engineeringMechanical engineering
The utility model discloses a prefabricated part preformed hole positioning device which is installed on a mold of a prefabricated part and comprises a positioning frame, a fixing piece and a plurality of embedded sleeves. The positioning frame is fixed to a mold through the fixing piece and extends into a to-be-poured area of the prefabricated part. The positioning frame comprises a first positioning plate, a second positioning plate and a fastening assembly, the first positioning plate and the second positioning plate are provided with a plurality of positioning holes corresponding to each other in the normal direction, and the pre-embedded sleeves are arranged in the positioning holes in a penetrating mode. And the diameter of the positioning hole is equal to the outer diameter of the embedded sleeve. The fastening assembly comprises a fixed chuck arranged on the periphery of the positioning hole, a sliding clamping plate arranged on the first positioning plate or the second positioning plate in a sliding mode and a locking piece. A movable chuck matched with the fixed chuck is arranged on the sliding clamping plate; the locking piece is at least used for locking the buckling state of the movable chuck and the fixed chuck; the device is provided with a calibration seam in a fitting area of the device and the mold.
Owner:CCCC FIRST HIGHWAY XIAMEN ENGINEERING CO LTD +1

Diagonal bracing device in the form of a steel lattice post and method of use thereof

This invention provides a diagonal bracing reinforcement device for steel lattice columns and its usage method, comprising a standard section, an adaptive section, and lattice column clamps; at least one standard section and one adaptive section are sequentially and detachably coaxially connected to form diagonal bracing members; the lattice column clamps are detachably installed on the lattice column, with several lattice column clamps arranged in two vertical rows; the two ends of each diagonal bracing member are detachably and obliquely connected to two lattice column clamps arranged vertically and alternately, so that a pair of diagonal bracing members are cross-set to form a scissor bracing structure. This invention relates to the field of building construction technology and can solve the problems of existing lattice columns requiring welding, being non-recyclable, having high requirements for welding quality, and having the risk of instability under pressure.
Owner:SHANGHAI CONSTRUCTION FOURTH CONSTRUCTION GROUP CO LTD

Detachable anchoring structure and corresponding overhanging scaffold

ActiveCN224314564UFlexible and easy to installFlexible and easy to disassembleScaffold accessoriesBuilding support scaffoldsFloor slabClassical mechanics
This utility model provides a detachable anchoring structure and a corresponding cantilever scaffold, with a bottom steel plate embedded inside the structural floor slab. Strips are embedded inside the structural floor slab, arranged circumferentially along the bottom steel plate. One side of the strip connects to the bottom steel plate, and the other side connects to the structural floor slab. One end of a bolt rod is located inside the structural floor slab and connected to the bottom steel plate, while the other end protrudes from the structural floor slab. A sleeve is fitted onto the bolt rod, with one end located inside the structural floor slab and connected to the bottom steel plate. The other end of the sleeve protrudes from the structural floor slab. An I-beam is connected to the upper end of the structural floor slab, and a long timber is connected to the upper end of the I-beam. A pressure plate is located at the upper end of the sleeve, and the pressure plate has a through hole, through which it is fitted onto the bolt rod. A nut is detachably connected to the bolt rod via threads, and the nut can cooperate with the long timber to limit the pressure plate in the vertical direction.
Owner:JIANGXI CONSTR ENG (GRP) CO LTD

Steel structure assembled backrest wall and construction device thereof

PendingCN122689257Aquick assemblyGood for turnover
The application discloses a steel structure assembled backrest wall and a construction device thereof, and belongs to the technical field of hydraulic test equipment, and solves the problems of low assembling efficiency and large high-altitude operation amount of a steel structure unit in the prior art. The steel structure assembled backrest wall comprises a plurality of steel structure units, anchor rods and connecting pieces, four corners of the steel structure unit are provided with arc-shaped grooves, the four arc-shaped grooves form a circular groove when the four steel structure units are spliced, and the anchor rods are inserted into the ground through the circular groove; the connecting piece comprises a connecting plate and four connecting rods, and the four connecting rods are inserted into the columns of the four units to realize locking when the four connecting rods are spliced. The construction device comprises a lifting platform, four lifting arms and a lifting appliance, the four steel structure units are automatically spliced to the center under the action of gravity when being lifted and suspended, the supporting pieces of the center alignment rod and the lateral alignment rod are retracted and the connecting pieces are inserted into the columns to complete the locking, and the application realizes synchronous lifting, automatic splicing and automatic positioning of the connecting pieces of the four steel structure units, and greatly improves the assembling efficiency.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1

Vine climbing and melon hanging frame for thin-skinned melon planting

ActiveCN224178776UPrevent breaking of seedlingsGood for turnoverPlant supportsAgricultural engineeringStructural engineering
The utility model relates to the technical field of melon planting, and discloses a thin-peel melon planting vine climbing and melon hanging frame which comprises a plurality of bottom plates and vertical rods arranged at the tops of the bottom plates. Longitudinal rods are arranged between the tops of the adjacent vertical rods, transverse rods are arranged between the adjacent longitudinal rods, the transverse rods are only provided with a plurality of guiding mechanisms, and each guiding mechanism comprises a sliding block connected to the transverse rod in a sleeving mode, installation handles arranged at the bottom of the sliding block and a rotating shaft arranged between the installation handles. The rotary knob is arranged on one side of the rotating shaft, the rotating shaft is rotationally connected with the mounting handles on the two sides, the rotating shaft is fixedly connected with the rotary knob, and a guide rope is wound on the outer surface of the rotating shaft.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Automatic honey pressing machine

The utility model discloses an automatic honey pressing machine which comprises a barrel body, an extruding mechanism arranged above the barrel body and a supporting frame arranged at the bottom of the barrel body, the barrel body comprises a honey pressing barrel used for containing a honeycomb to be extruded, a limiting piece arranged above the honey pressing barrel and a honey receiving disc fixed to the bottom of the honey pressing barrel, and a plurality of honey outlet holes are formed in the honey pressing barrel; the squeezing mechanism comprises a cross beam movably arranged in the limiting piece in a penetrating mode, a gear power mechanism fixed to the cross beam and a honey pressing piece movably arranged in the cross beam in a penetrating mode in the axial direction of the honey pressing barrel, one end of the honey pressing piece movably penetrates in the honey pressing barrel, and the other end of the honey pressing piece is connected with the gear power mechanism in an engaged mode; the supporting frame is fixedly installed at the bottom of the honey receiving plate and used for providing supporting. According to the device, the honeycomb is extruded in a gear meshing transmission mode to achieve automatic honey pressing, and compared with a traditional manual honey pressing mode, the honey pressing speed is high, the honey collecting efficiency can be greatly improved, and the automation degree is high; and the device is simple and convenient to operate and saves time and labor.
Owner:HUNAN CHAOQUAN IND CO LTD

Temporary hole sealing device

The utility model relates to a capping device, belongs to the technical field of building construction, and particularly relates to a temporary hole capping device which comprises a hole body and further comprises a capping mechanism arranged on the inner side of the hole body. According to the utility model, by respectively moving the plurality of abutting blocks, the plurality of abutting blocks respectively slide on the outer sides of the plurality of sliding rods through the plurality of sliding blocks, and simultaneously extrude the plurality of springs sleeved on the outer sides of the plurality of sliding rods, the plugging mechanism can be adjusted according to hole main bodies with different sizes, and after the adjustment is completed, the elastic potential energy of the plurality of springs is utilized, so that the hole main bodies can be plugged. Resetting is facilitated, and the inner wall of the hole is extruded; the two grips are fixed on the upper side of the steel plate, so that when the steel plate needs to be disassembled, the grips are held and pulled upwards, the steel plate can be disassembled, and turnover use is facilitated; the problems that a traditional sealing mode of an existing small hole is a template sealing mode, a sealing cover plate needs to be fixed and reinforced on the premise that the strength cannot be guaranteed, and operation is inconvenient are solved.
Owner:CHINA CONSTR EIGHTH BUREAU TIANJIN CONSTR ENG CO LTD