4534results about "Fencing" patented technology

A woven silt fence fabric includes two or more distinctly different colors of warp yarns in the machine direction. The woven silt fence fabric includes a first woven fabric portion to be installed in the ground having a first color that is distinctly different from a second color of a second woven fabric portion to be installed and remain exposed above the ground.

A safety barrier system including a plurality of barrier assemblies, each barrier assembly having a barrier panel assembly including a rectangular barrier mesh supported by an upper edge binding member, a lower edge binding member, a pair of left stiffeners and a pair of right stiffeners wherein the pair of left stiffeners capture a left edge of the rectangular barrier mesh and the pair of right stiffeners capture a right edge of the rectangular barrier mesh. Each barrier assembly includes a barrier support pole having an upper pole end, a lower pole end opposite the upper pole end, the lower pole end engageable with a ground insert for allowing rotation of the barrier support pole and opposing first and second retention slots, each of the first and second retention slots extending from the upper pole end to the lower pole end, the first retention slot parallel to the second retention slot. Each barrier assembly includes a top cap for engaging the upper pole end and securing at least one of the pair of left stiffeners or the pair of right stiffeners in one of the first or second retention slot and a panel stop engaged with the first and second retention slot along a lower portion of the barrier support pole, the panel stop for supporting the lower edge binding member of the barrier panel assembly.

The invention relates to the technical field of mangrove forest protection, in particular to a forest protection fence based on biophysical coordination and a prevention and control method thereof.The forest protection fence comprises a plurality of supporting components and an annular protection screen body, the multiple supporting components are arranged around target plants and form an annular supporting system, and each supporting component comprises a supporting rod and an expansion supporting assembly; the supporting rods are vertically arranged, the lower ends of the supporting rods can be inserted into a soil layer, the extension supporting assemblies are arranged on the supporting rods and can partially enter the position below the soil layer along with the supporting rods, and the extension supporting assemblies between every two adjacent supporting components can be connected in a matched mode. The annular protective screen body is connected with the annular supporting system and at least partially extends below the soil layer; through cooperation of the supporting component and the annular protective screen body, benthonic organisms around the target plant can be limited to move in the preset area, and growth of the target plant is assisted through movement of the benthonic organisms. According to the technical scheme, the growth of the target plant is protected by virtue of the cooperation of benthic organism activity, the supporting component and the annular protective screen body.

A vertical post structure of a fence comprises an axial slot on at least one side of a post, and an axial notch at an end of the slot facing the post. An inner wall of the slot and the two sides near to the notch extend obliquely to form a clamping board, wherein a tail end of the clamping board has a buckle part. Each buckle part is positioned within the projection range of the notch, and a plate is fixed with a stop end of the post and corresponds to the slot. The buckle parts directly clip and buckle the end parts of the cross bars to fix them to the post, or the post can be assembled with the cross bars fixed inside the slot and to a base, and the plate prevents separation of the cross bars from the post.

A municipal construction fence belongs to the technical field of municipal construction and comprises a guardrail, connecting assemblies are arranged on two sides of the guardrail, and fixing assemblies are arranged at the bottoms of the connecting assemblies. The connecting assembly comprises a connecting rod, first side plates which are arranged in pairs are fixedly mounted on the two sides of the connecting rod, mounting blocks are fixedly mounted on the two sides of the guardrail, the mounting blocks are inserted between the corresponding first side plates, and first bolts are fixedly mounted between the first side plates and the mounting blocks; and the fixing assembly comprises a fixing plate and an adjusting block, second side plates arranged in pairs are fixedly installed at the top of the fixing plate, the adjusting block is inserted between the second side plates arranged in pairs, second bolts are fixedly installed between the second side plates and the adjusting block, a screw rod is fixedly installed at the top of the adjusting block, and the screw rod is rotationally connected to the bottom of the connecting rod. The utility model has the advantages that the connecting angle between the guardrails and the angle relation between the guardrails and a ground fixing part can be flexibly adjusted, the installation is more convenient, the applicability is stronger, and the like.

A sediment control device is disclosed. The device includes an elongate fabric and a plurality of sleeves attached to the fabric. The plurality of sleeves extend generally perpendicular to a longitudinal axis of the fabric and are configured to receive a stake for securing the sediment control device to soil. Each sleeve is spaced a distance from an adjacent sleeve. In use, the fabric is laid out along a soil path, a bottom portion of the fabric is trenched into soil, and the stake is inserted into each sleeve such that the sediment control device is secured to soil. The bottom portion can then be backfilled.

The invention provides an environment-friendly construction temporary fence building device and a building method.The environment-friendly construction temporary fence building device comprises a plurality of vertical frames, a fence unit is arranged between every two adjacent vertical frames, each fence unit comprises two cross beams, a vertical frame and a fence plate, and the two cross beams and the two vertical frames are symmetrically arranged in pairs and surround the four edges of the fence plate; a mounting seat is arranged at the bottom of the vertical frame, movable grooves matched with the vertical frame are formed in the two sides of the vertical frame, an adjusting assembly matched with the vertical frame is arranged on the vertical frame, and an adjusting block is rotationally matched with the upper side of the mounting seat. A multi-dimensional supporting system is formed by the fence plates and the reinforcing blocks and the reinforcing rods of the cross beams, so that the overall strength of the fence is enhanced; the height of the vertical frame can be adjusted, the angle of the fence unit can be adjusted, the requirements of different terrains and construction scenes can be met, good stability can be kept under the complex environment, and the safety of the fence is improved.

Fence post covers for toolless mounting on vertical fence posts to enhance the overall aesthetic appearance of fences. Fence post covers have one or more lateral walls having a rearward side forming a channel, and a top wall having an indentation formed on a bottom side thereof for mating with a top side of a vertical fence post. One or more flexible brackets are positioned within the channel, the brackets featuring vertically oriented apertures having rearward facing openings for receiving a section of a vertical fence post. Other embodiments of fence post covers feature an elongate hollow body having a lateral wall enclosure forming a lumen with a central cavity having one or more slits formed along opposing sides of at least a portion of a length of the lateral wall, the slits configured to receive one or more strands of barbed wire attached to a T-post.

The invention belongs to the technical field of dust falling devices, and particularly relates to an intelligent spraying dust falling device for building construction, which comprises a fence, a fixed plate and the like, a fixing plate is connected to the fence. The fixing plates are locked on the fence through the pin rods, every two adjacent water pipes are communicated through the corrugated pipes, water is conveyed into the water pipes, then the water flows into the corresponding guide pipes I along the water pipes and is finally sprayed out from the corresponding spray heads, and therefore spraying dust falling on a construction site is achieved; therefore, pipelines do not need to be additionally laid on the fences, the laying efficiency of the fences can be greatly improved, dust falling can be achieved, spraying dust falling can be conducted on dust drifting above the fences through the spray heads with upward openings, spraying dust falling can be conducted on dust drifting on the inner sides of the fences through the spray heads with downward openings, and the dust falling efficiency of the fences is improved. And therefore, the two spray heads on the same guide pipe I can perform spraying and dust falling on different areas.

The application relates to the technical field of wall body dismantling, and discloses a building wall body dismantling device capable of guaranteeing the completeness of old bricks, which comprises a surrounding wall and a bearing box, further comprises a dismantling unit arranged on the bearing box, the dismantling unit comprises a flattening component and a cutting component arranged in the bearing box; the flattening component comprises shafts arranged on the inner walls of the bearing box, deflection frames arranged on the shafts, and a plurality of connecting rods arranged on the inner walls of the deflection frames; through the dismantling unit, a construction worker can divide a wall body into a plurality of wall body units when dismantling the wall body, and slowly lays down the single wall body units one by one, and through the cutting unit, the wall body units after being laid down are cut in the horizontal direction, the wall body units are divided into strips one by one, and then the strip-shaped wall bodies are cut into single bricks, so that the safety during the dismantling of the wall body is effectively improved, the completeness of the bricks is guaranteed, the construction cost is reduced, and the utilization rate of resources is improved.

The utility model relates to the field of power transformation engineering sound barriers, in particular to a power transformation engineering movable noise reduction barrier capable of being patrolled externally, which comprises a plurality of steel columns, a steel bottom beam positioned at the lower sections of the steel columns and a steel top beam positioned at the upper sections of the steel columns, and the plurality of steel columns, the steel bottom beam and the steel top beam form a sound barrier frame. A sound barrier plate is arranged between every two adjacent steel columns, and the sound barrier frame and the sound barrier plates form a noise reduction barrier. The sound barrier construction period of the transformer substation and the converter station is shortened. According to the utility model, on-site material, machine tool and personnel investment is reduced, construction waste emission is reduced, noise pollution is reduced, and carbon emission is reduced. Daily patrol of operators is facilitated, the device can be quickly moved when the device needs to be carried during maintenance, a channel is reserved for carrying the device, the power failure time is effectively saved, and the working efficiency is improved. The technical problems that the construction period is long, resources are wasted, pollution is serious, and replacement and carrying are inconvenient can be solved.

The utility model discloses a movable guardrail which comprises a concrete precast block, a guardrail body and at least two assembling assemblies are arranged on the concrete precast block, the at least two assembling assemblies are embedded in the concrete precast block and oppositely located on the two sides of the concrete precast block in the length direction, and the assembling assemblies are used for connecting the two adjacent movable guardrail bodies. And the base supporting legs are arranged at the bottoms of the concrete precast blocks and used for increasing the friction force between the concrete precast blocks and the ground. The detachable guardrail has high detachability and adjustability, the requirements for rapid deployment and rearrangement under different occasions and requirements are met, the friction force between the concrete precast blocks and the ground is effectively increased through the design of the base supporting feet, the stability of the guardrail is enhanced, and the service life of the guardrail is prolonged. The displacement or inclination of the guardrail caused by external force such as wind power or earthquake is avoided, and the safety is improved.

The invention provides a novel polyurethane composite material protective fence and a forming process thereof, and relates to the field of protective fence equipment. According to the novel polyurethane composite material protective fence, a reinforcing material based on modified basalt fibers is compounded with novel polyurethane resin, a flame retardant and a nano inhibitor for inhibiting growth of weed vines are added, and the environment-friendly protective fence is integrally formed through dip dyeing, pultrusion, winding, weaving and cutting. The novel polyurethane composite material protective fence structurally comprises a foundation, stand columns, meshes, connecting pieces and a top cover. The polyurethane composite material has the advantages of being light in weight, high in strength and free of maintenance in the later period, the strength of the polyurethane composite material is twice that of a twisted steel bar with the same diameter, the weight of the polyurethane composite material is only 1 / 4 that of the steel bar, and the polyurethane composite material is light, so that the labor intensity of field workers is reduced, occupational hazards in the construction process are reduced; and the problems of paint peeling, fading and the like are avoided.

The invention relates to a method for manufacturing a post device (10) comprising a tubular plastic element (1) and a post (2) formed from a mouldable material and arranged in the tubular plastic element (1), this method comprising a step of pressure injection moulding the mouldable material into the tubular element (1), wherein the tubular element (1) is arranged, during the pressure injection moulding step, in a direction inclined relative to a horizontal plane (21).

The invention discloses a manhole cover plate fence linkage protection device and method with a safety monitoring function, and belongs to the technical field of limited space operation safety protection. Comprising a device basic component, a fence, a locking mechanism, a linkage mechanism, a cover plate and a monitoring system. The device foundation component is mounted on the inner wall of the orifice; the fence is arranged in the device basic component and can ascend and descend. The fence is composed of a fan blade fence and a fence door. The locking mechanism is installed on the device foundation component and the fence and used for effectively locking the fence under the full-open-position isolation working condition. The linkage mechanism is connected with the fence and the cover plate. The monitoring system comprises a fence position detection device and a detector. Linkage of a manhole opening protection facility and safety monitoring is achieved, and the safety of limited space operation is effectively improved.

The utility model relates to the technical field of constructional engineering, and discloses a reinforced concrete structure impact-resistant protection device which comprises a main body, supporting columns are arranged on the two sides of the main body, a fixing plate is fixedly installed in the main body, a buffering plate is arranged on the outer wall of the main body, a bearing plate is fixedly installed at the bottom of the main body, and an adjusting frame is arranged on the inner wall of the main body. Limiting blocks are clamped in the adjusting frames, and inclined supporting rods are in threaded connection with the interiors of the limiting blocks. According to the impact-resistant protection device of the reinforced concrete structure, through cooperative arrangement of the main body, the supporting columns, the fixing plate, the buffer plate and the bearing plate, impact force and external force from different directions can be effectively resisted, it is ensured that the whole protection device is not prone to inclining or collapsing when being impacted, and the fixing plate is arranged in the main body; the shape and structural integrity of the main body can be better kept when the main body bears impact force, the main body is prevented from deforming due to external force, and therefore the reliability and durability of the whole protection device are improved.

A windscreen attachment device is provided. The device may comprise an insert and a main body member. The main body member may have an interior area and an inlet channel extending into the interior area. The interior area may include a lock channel and a plurality of seats. The insert may include a lock arm that may extend outwardly from a side of the insert. The device may comprise a plurality of lock protrusions that may extend outwardly from the insert. The insert may be positionable within the interior area via the inlet channel, defining an inserted position of the insert. The lock arm may be positioned within the lock channel, and the plurality of lock protrusions may be positioned adjacent to the plurality of seats, while the insert is in the inserted position.

An assembly of extruded members including: an extruded housing member including one or more holes formed along at least one side thereof for entry of ends of one or more second extrusions therethrough; and at least one extruded aluminum clamping member including one or more pairs of opposed clamping portions for clamping the ends of the one or more second extrusions therebetween.

A plant sound insulation screen comprises sound insulation plates continuously arranged on one side of a plant wall, a preset interval is formed between every two adjacent sound insulation plates, and supports are arranged at the positions, corresponding to the adjacent sound insulation plates, of the wall. The support is of a metal plate structure, the lower end of the support is provided with a supporting plate perpendicular to the enclosing wall and extending outwards and used for supporting the bottom faces of the ends of the sound insulation plates, the top of the support is flush with or higher than the top faces of the sound insulation plates, and the width of the support is larger than the interval between the adjacent sound insulation plates. The bracket is fixed on the surface of an enclosing wall through expansion screws; locking screws are vertically arranged on the support in a penetrating mode and located in the intervals between the adjacent sound insulation plates, and pressing plates are arranged on the locking screws in a sleeving mode and used for pressing the side portions of the sound insulation plates. The scheme facilitates later replacement of the sound insulation board, is more convenient to disassemble and assemble, and can effectively ensure the uniformity and sound insulation effect of the sound insulation screen before and after replacement of the sound insulation board.

The present invention relates to the technological field of civil engineering, particularly to a dust reduction device for building engineering. The device includes a water tank with a controller and a booster pump, a driving mechanism enabling the device to cross obstacles, an adjustable spray mechanism with a mist intercepting mechanism, and an environment detection mechanism. The dust reduction device comprising the above components can move along the enclosure barrier to a target position for spraying according to real time requirements. The adjustable spray mechanism is configured in such a way that, when the wind force is between the specified minimum value and maximum value, and the wind direction is opposite to the spray direction, the mist intercepting mechanism is activated to avoid water mist blowing outside the construction site by wind and affecting the normal passage of pedestrians.

A connection system for joining members of a structure, said system comprising an anchor element fixed to a primary structure or structural member and an adapter element fixed to said anchor element, said adapter element being adapted to receive, support and be connected to the end of a secondary structural member, the system permitting the assembly so created be readily, partially or completely, dismantled; said anchor element being fixed in place using conventional fastening means, said adaptor element being slidingly engaging with complementary shapings of said anchor element and locked in place on said anchor element by the installation of locking means, an end of said structural member being entered into and secured to said adaptor element by frictional engagement, by bonding or, where a tensile loading is to be applied to said structural member, by means of conventional fastenings.

A modular fencing system comprises two or more substantially vertical posts, one or more panels, and one or more track members. Each of the posts comprises abase and an upright member extending from the base. The upright member comprises a plurality of surfaces, and at least one of the surfaces defines a channel. Each of the track members comprises an attachment portion configured to engage within the channel and a receiving portion configured to engage with one or more of the panels.

A fence assembly that permits assembly a series of main posts and secondary members for constructing a fence having a desired shape and functionality. The main post has a front and rear connector for receiving a secondary member such as a cap, a corner member, an angle member, or a gate member. The main post may define a filler receptacle for receiving infill. The main post or secondary members may define a channel for serving as a screw guide or for receiving an accessory. In use, fence installation includes installing a main post in the ground and slidably engaging a secondary member with the main post. Infill may be located within a filler receptacle defined by the main post. Additional secondary members and / or main posts may be slidably affixed together to allow a user to assemble main posts and secondary members for constructing a fence in a desired configuration.

The utility model relates to the technical field of telescopic handrails, and discloses a fast-assembly type combined telescopic handrail which comprises a base, a structure assembly and a splicing assembly, two sets of sliding grooves are formed in the upper portion of the base, sliding blocks are arranged in the sliding grooves, the sliding blocks are connected with the base in a sliding mode through the sliding grooves, rotating blocks are arranged in the sliding blocks, and the sliding blocks are rotationally connected with the rotating blocks. A sleeve is fixedly mounted above the rotating block, a sleeve rod is arranged in the sleeve, and the sleeve rod is in sliding connection with the sleeve; according to the telescopic handrail, the sleeve rod and the sleeve form a main body mounting structure of the telescopic handrail, when the telescopic handrail is used, the sleeve is mounted through the rotating block, the sliding block can slide in the sliding groove, when the telescopic handrail is used, the telescopic handrail slides to the end close to the base, and the rotating block rotates along the sliding block, so that the sleeve is conveniently unfolded; the sleeve rod can be stored in the sleeve, the sliding block slides to the position, close to the center, of the base, the sleeve is stored in the sliding groove by rotating the rotating block, and storage and transfer are facilitated.

The invention discloses a device and a system for risk identification and early warning of an expressway operation area. The system comprises a portable pressure-sensitive deceleration strip, an integrated intelligent traffic cone and an engineering early warning vehicle, the two portable pressure-sensitive deceleration strips are arranged at the first-level early warning boundary and the second-level early warning boundary in front of the integrated intelligent traffic cone on the upstream of the operation area respectively and used for sending alarm signals to other associated equipment when it is detected that a vehicle on the high-speed early warning lane enters the early warning area; the integrated intelligent traffic cone is used for configuring integrated modules such as a monitoring camera, an audible and visual alarm and a character notice board according to an early warning effect when the traffic cone is automatically placed at a set position so as to identify risks inside and outside an operation area and perform early warning; and the engineering early warning vehicle is used for assisting in identifying risks inside and outside the operation area, processing early warning information and slowing down collision. By constructing the device and the system for identifying and early warning the risks of people, vehicles and equipment in the expressway operation area, the external vehicle intrusion risk and the internal personnel and equipment risk in the operation area can be actively found, an alarm prompt is given before the risks come, workers in the operation area are guided to rapidly evacuate, and casualties caused by accidents are reduced.

A portable fence reel has a reel spool, and a frame including at least one arm, where the reel spool is rotatably mounted to the at least one arm. The fence reel also has a crank shaft, where rotation of a crank shaft results in rotation of the reel spool, and a winding handle. An automatic engaging mechanism includes a coupler rotationally fixed to the crank shaft, and a clutch portion configured to be driven by the winding handle and, in use, move along a longitudinal axis of the crank shaft to engage or disengage with the coupler.