15 results about "Drop structure" patented technology

The utility model discloses a ball showing and slow falling structure, which relates to the technical field of ball showing and comprises an outer cover, a round wood plate is arranged at the top of the outer cover, a main body rack is arranged at the top of the round wood plate, a motor is arranged on one side of the main body rack, a main shaft is arranged at the output end of the motor, a large coil is arranged at the tail end of the main shaft, and a long wire is arranged on the outer wall of the large coil. The long line is fixedly connected with the directional hammer, the short line is arranged at the bottom of the directional hammer, and the fishing net is arranged at the tail end of the short line. A ball is put into the outer cover from the ball inlet in the round wood plate, the speed of the ball during falling can be controlled by the motor, it is guaranteed that an observer can observe the movement track of the ball, the ball can pass through the fishing net after falling, the falling direction of the ball is controlled, the ball is protected, and the service life of the ball is prolonged. The technical problems that the number change and the speed change of balls during falling cannot be visually observed, and when the falling speed of the balls is too high, the balls are prone to splashing and even being damaged are solved.

The utility model relates to the technical field of conveying, and discloses a belt conveyor with an anti-falling structure, two transverse frames are fixedly connected to the outer wall of a rack, a conveying belt convenient for conveying plates is arranged between the two transverse frames, and two fixing frames are fixedly connected to the side outer walls of the two transverse frames; the outer walls of the two fixing frames are both connected with adjusting rods in a sliding mode, one side of each adjusting rod is provided with a guide baffle, the guide baffle is fixedly connected with the two adjusting rods, and the outer walls of the fixing frames are provided with limiting assemblies for fixing the adjusting rods. And a good anti-falling effect is achieved, and the application range of the belt conveyor is widened.

The utility model discloses a prefabricated multi-arch type drop structure for eliminating the drop of a river channel, which comprises a plurality of arch type splicing modules, and the plurality of arch type splicing modules are linearly connected and arranged in parallel and are used for eliminating the drop of the river channel. A plurality of arch-type splicing modules form a continuously connected drop weir and an integral bottom plate, so that the actual water cross section is increased, and the discharge capacity is improved; the water gathering effect generated when water passes through the top of the drop weir improves the energy dissipation efficiency and shortens the length of the stilling pool; and the plurality of arch-type splicing modules are convenient for modular prefabrication and replacement, so that the subsequent operation and maintenance work is facilitated, and the maintenance cost is saved. The hydraulic drop structure solves the problems that an existing hydraulic drop structure is long in on-site construction period and large in difficulty.

This invention discloses a method and system for wireless remote monitoring of liquid level and leakage early warning in municipal water supply networks. Specifically, it relates to the field of liquid level measurement technology in municipal water supply networks. The method includes acquiring the lower edge height of the water supply component in the well chamber and the return water height at the bottom of the well; calibrating the reset height and the starting height; forming a low-level water inlet structure at the starting height; forming a high-level drop structure at the reset height; installing a measuring pressure end at the bottom of the self-resetting liquid level metering chamber; recording the empty reading as the cavity pressure; writing the discharge volume into the volume indicator; forming an intelligent sensing system and outputting a height-pressure-volume reference table; by constructing a self-resetting liquid level metering chamber in the well chamber, converting the measured pressure into a pressure-level value, and combining the drop cycle, volume indicator, and covariance cross-recursive results to identify the liquid level process after the drop and subsequent replenishment, thereby determining whether the accumulated water is continuously leaking into the water supply network.

The utility model discloses a drop structure suitable for soft foundation riverbeds of medium and small rivers. The drop structure comprises upstream dry block stones, timber piles and downstream dry block stones, the timber piles are sequentially arranged in the width direction of a river to form a timber pile row, the two ends of the timber pile row are connected with river banks on the corresponding sides respectively, and the bottom of each timber pile is inserted into a riverbed. The upstream dry rubble is arranged on the upstream side of the timber pile row and is in contact with the timber pile row; the downstream dry rubble is arranged on the downstream side of the timber pile row and makes contact with the timber pile row. The ecological landscape structure is simple in structural form, convenient to be sequentially connected with side slopes on the two sides of a river channel, good in integration with the natural ecological landscape environment of the river channel, small in scouring influence on a riverbed, high in foundation deformation adapting capacity and capable of being recycled, and has certain water permeability and flexible adaptability. The soft foundation riverbed does not need foundation treatment, does not need construction diversion measures, and is low in cost, short in construction period and mature in construction technology.

The flange comprises a flange plate, the flange plate is installed at a water outlet of the water pump, an annular anti-disengaging ring is arranged on the inner wall of the circumference of the flange plate, a water conveying pipe comprises an outer layer, a middle layer and an inner layer which are sequentially arranged from outside to inside, and the lower end of the water conveying pipe penetrates into the flange plate from top to bottom. The lower end of the middle layer downwards extends out of the anti-disengaging ring, and the section, extending out of the anti-disengaging ring, of the lower end of the middle layer is turned outwards and abuts against the lower surface of the anti-disengaging ring. The utility model aims to solve or at least alleviate the problem that a flange is separated from a water delivery pipe in the use process of a water pump, and provides a flange anti-separation structure for the water pump.

The utility model discloses a roadbed and pavement drainage engineering structure which comprises a medial strip drainage unit and a roadbed drainage unit which are located in the middle of a road. The medial strip drainage unit comprises a longitudinal sewer, a water collecting well and a transverse drainage pipe; the longitudinal sewers are communicated with the water-collecting wells, and transverse drainage pipes are mounted in the water-collecting wells; the roadbed drainage unit comprises a side ditch, an intercepting ditch, a drop, a torrent groove and a drainage ditch, and the torrent groove is used for connecting upper water flow and lower water flow at the position where the surface slope is large; the catchwater is located on a slope of an excavation road section, the drainage ditch is located on a fill road section, side ditches on the side edges of the earth shoulder converge to the drainage ditch through torrent grooves, and the catchwater converges to the drainage ditch through drop water; and the other side edge of the earth shoulder is provided with a rhombic grid protection slope or an arched protection slope. Therefore, the drainage of the medial strip and the drainage of the roadbed can be integrated, so that the drainage of the roadbed and the pavement is smoother, and the stability and the safety of the mountain and the roadbed are improved.

The utility model relates to the technical field of patch type drip irrigation tapes, and discloses a patch type drip irrigation tape with an anti-drop structure, which comprises a drip irrigation tape body and patch type drippers embedded on the surface of the drip irrigation tape body, and further comprises a circular ring connected to the inner wall of the drip irrigation tape body in a sliding manner, a filter screen is embedded on the inner wall of the circular ring, and the anti-drop structure is arranged on the inner wall of the circular ring. The surface of the drip irrigation belt body is slidably connected with an iron attraction block matched with the circular ring in a magnetic attraction mode. The positions of the circular ring, the magnet block and the magnet plate on the surface of the drip irrigation belt body are limited, the stability of connection between the drip irrigation belt body and the connector can be improved under the cooperation of the anti-falling mechanism, in addition, the stability of the position of the arc-shaped plate can be improved through the arrangement of the positioning mechanism, and the problem that part of existing drip irrigation belts are inconvenient to use when used is solved. The problem that the normal proceeding of follow-up irrigation operation is affected due to the fact that the connection between the water pipe and the connector is prone to falling off due to water pressure and pulling of workers is solved.

The utility model discloses a water supply pipe branch pipe joint device which comprises a joint, two ends of the joint are respectively and detachably connected with a group of water pipes in a sealing mode, outer walls of opposite ends of the two groups of water pipes are provided with clamping grooves, two ends of the joint are respectively provided with a group of limiting seats, the two groups of limiting seats are respectively connected with a group of limiting blocks through elastic assemblies, and the limiting blocks can be clamped into the clamping grooves. According to the utility model, the limiting rod can be pulled to be inserted into the limiting seat by utilizing the pulling force of the spring, so that the limiting block can be pushed to slide out of the limiting seat and can be inserted into the clamping groove to lock the water pipe and prevent the water pipe from being separated from the joint; the connector is not prone to falling off due to various reasons, and stability and safety of a water supply system are not affected.

This invention provides a fishway migratory ramp structure for *Sinocyclocheilus fasciatus* suitable for small, slow-flowing rivers, relating to the field of fishway engineering technology. It includes: a water-blocking support, a movable water-blocking section, a position detection section, a linear drive section, and a monitoring and cleaning section. The movable water-blocking section is arranged in a row, and this row is installed on the water-blocking support. The position detection section is also arranged in a row, and this row is installed on the movable water-blocking section. The linear drive section is installed on the top of the water-blocking support. The monitoring and cleaning section is installed on the linear drive section. A control box is installed on the front side of the water-blocking support. This invention achieves a relatively shallow water depth when all rectangular drainage holes are in the lower half, and a relatively deep water depth when all rectangular drainage holes are in the upper half. It solves the problem of the inconvenience of workers adjusting the water flow depth using the water-blocking stones, which increases the difficulty of adjusting the water depth.

The application relates to a surface runoff cascade treatment system and an ecological purification method. The surface runoff cascade treatment system comprises a primary filtration unit, two or more deep purification units and a phosphorus removal unit which are connected in cascade along a natural terrain; the water outlet end and the water inlet end of two adjacent units are connected through a cascade baffling drop structure; the cascade baffling drop structure comprises one or more drainage openings of different heights arranged at the water outlet end, and each drainage opening can be opened and closed as required. The system is coupled with three systems of structured cascade reoxygenation, adjustable lag storage purification operation mode and ecological-engineering coupling of plant root systems and fillers, and the three systems are coupled with each other to solve the core defects of the prior art from the structure.

The utility model discloses an anti-scour protection structure of an underwater pipeline, which comprises an upstream lead wire cage, an anti-scour bottom plate and a downstream lead wire cage which are sequentially connected along the water flow direction, and the pipeline is correspondingly embedded below the anti-scour bottom plate; the upstream lead wire cage is flush with the top of the anti-impact bottom plate; an inclined plate section is arranged at the downstream end of the anti-scour bottom plate and inclines downwards in the water flow direction, and the anti-scour bottom plate is connected with the downstream lead wire cage through the inclined plate section, so that a water falling structure is formed between the anti-scour bottom plate and the downstream lead wire cage; the upstream end of the anti-scour bottom plate is provided with an insertion plate section, and the insertion plate section is downwards inserted into the water bottom; a top plate section is arranged between the insertion plate section and the inclined plate section and is correspondingly flush with an upstream lead wire cage; and under the cooperation of the insertion plate section, the top plate section and the inclined plate section, the anti-scour bottom plate half surrounds the pipeline. The device is suitable for being applied to a steep riverbed, and can prevent a pipeline buried at the water bottom from being scoured by water flow.

This invention discloses a thermal insulation and anti-detachment structure for building exterior walls and its construction method, comprising an insulation component, an anchoring component, and a limiting component. The insulation component is fixed to the building exterior wall via the anchoring component. The insulation component includes a back plate, on the top surface of which a threaded cylinder is horizontally fixed. The limiting component is pre-fixed to the building exterior wall and serves to support the insulation component on the building exterior wall. The anchoring component includes an anchoring cylinder, one end of which is provided with a fixing component, which is fixed in an installation hole opened in the building wall. The other end of the anchoring cylinder is horizontally connected and fixed with a threaded tube, which is threaded through the threaded tube assembled in the threaded cylinder of the back plate. This invention overcomes the problem of existing thermal insulation wall panels being fixed to the building exterior wall by tie bars, where the tie bars are single straight rods without anchoring structures at both ends, failing to achieve anchoring stability between the thermal insulation wall panel and the building exterior wall, thus affecting the stability of the thermal insulation wall panel installation on the building exterior wall.

The utility model discloses a tunnel wallboard with an anti-drop structure, and relates to the technical field of wallboard installation, the tunnel wallboard comprises a wallboard upper section, the outer wall of the wallboard upper section is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is rotatably connected with a wallboard lower section, the outer wall of the wallboard upper section and the outer wall of the wallboard lower section are fixedly connected with sliding blocks, and the sliding blocks are fixedly connected with the wallboard upper section and the wallboard lower section. Due to the fact that the sliding block is arranged, when equipment needs to be used, one end, provided with the sliding block, of the wallboard is aligned with the sliding groove of another wallboard in an inserted mode, and one end, provided with the convex limiting block, of the wallboard is aligned with the convex limiting groove of another wallboard in an inserted mode. And secondly, the reinforcing plates are inserted into the bolts of the four different wallboards, and the nuts are tightened, so that condensate water can quickly flow away through the water guide grooves, the situation that the condensate water is accumulated on the wallboards to corrode the wallboards or enable the wallboards to fall off is prevented, the wallboards can be spliced and integrally mounted, and the situation that the condensate water is accumulated on the wallboards to corrode the wallboards to fall off can be prevented.

The utility model provides an anti-falling structure for a tensioner, and belongs to the technical field of tensioners. Comprising a loosening assembly, the loosening assembly is arranged in an external expansion plate, the loosening assembly comprises a second damping spring arranged at the other end of a first connecting rod in a sleeving mode, a second gear is arranged on the side, away from a fixing nut, of the first connecting rod, and a first damping spring is arranged on the side, away from the second gear, of the first connecting rod in a sleeving mode; during use, when external power acts on the first gear to drive the first connecting rod to rotate, the second gear is linked along with the first gear, meanwhile, the first damping spring and the second damping spring play the roles of buffering and resistance adjustment, and under the cooperation of the series of assemblies, the first connecting rod is driven to rotate by the first gear, so that the service life of the device is prolonged. The releasing assembly can flexibly control winding and unwinding of the rope, the tightness degree of the rope is accurately adjusted, and the requirements for rope tension in different scenes are met.