10results about How to "Prevent slump" patented technology

The invention belongs to the technical field of rock-soil side slope protection, and particularly relates to an expansive soil side slope flexible ecological comprehensive supporting system which comprises an intercepting ditch, a vegetation protection layer, a composite waterproof layer, flexible anchor rods, water seepage and drainage pipes, cultivation and planting soil, a drainage ditch, a backfill soil layer, a step-shaped slope surface, a slope surface and slope protection vegetation. The slope surface is excavated into a step-shaped slope surface, a composite waterproof layer, expansive soil backfill soil, a vegetation protection layer and cultivation and planting soil are sequentially arranged on the step-shaped slope surface from bottom to top, and slope protection vegetation is planted and formed on the cultivation and planting soil; the composite waterproof layer is fixed to the step-shaped slope face through the flexible anchor rods. The vegetation protection layer and the slope protection vegetation together reinforce the shallow soil body, and the composite waterproof layer and the flexible anchor rod play a role in absorbing and relieving the received expansive force. The method has an ecological greening effect, has the functions of common supporting of the shallow surface layer and the deep layer of the expansive soil slope, flexible reinforcement and expansion reduction and allowable generation of a small amount of deformation, is simple in construction and high in efficiency, and can realize long-term stability of the shallow surface layer and the deep layer of the expansive soil slope.

The invention discloses a rolling device for railway roadbed construction filler, and relates to the technical field of soil compaction. The rolling device for the railway roadbed construction filler comprises a device main body, the device main body comprises a vehicle body, a mounting frame connected with the vehicle body and a grinding roller connected with the mounting frame; the device main body further comprises two groups of auxiliary rolling mechanisms for rolling the edge and the side slope of the roadbed. According to the rolling device for the railway roadbed construction filler, the roadbed edge and the side slope are recognized through the recognition mechanism, the auxiliary rolling wheel extends out through the adjusting mechanism and the rotating mechanism according to the recognition result, the inclination angle of the auxiliary rolling wheel is adjusted, the auxiliary rolling wheel makes contact with the roadbed edge or the side slope, and pressure is applied under the action of the pressure applying mechanism; according to the roadbed edge rolling device, rolling operation of a roadbed edge pre-pressing locking edge or a side slope is achieved, the roadbed edge rolling device is more convenient and faster, the filler can be prevented from sliding and collapsing towards the side slope, rolling blind areas can be avoided, and the rolling efficiency and quality are improved.

The invention relates to the technical field of tunnel engineering, and provides a construction method of a bealock section large-span multi-arch tunnel entry structure, which comprises the following steps: constructing a first pre-reinforcing pile assembly and a second pre-reinforcing pile assembly, excavating a temporary side slope to construct a middle pilot tunnel, excavating the middle pilot tunnel, and constructing a middle partition wall in the middle pilot tunnel after the middle pilot tunnel is communicated. And backfilling soil and stones to the bottom height of the protective arch, constructing the protective arch located above the left tunnel hole and the right tunnel hole, constructing an open cut tunnel section and an end wall type tunnel portal, backfilling soil at the top of the protective arch to the designed height, and then synchronously constructing the left tunnel hole and the right tunnel hole to the hidden tunnel section. According to the method, synchronous construction of the left main hole and the right main hole of the multi-arch tunnel can be achieved, the construction procedures of the multi-arch tunnel are greatly reduced, safety is high, meanwhile, the side slope is effectively reinforced, the side slope is prevented from collapsing in the excavation process, the design method of the protection arch is further provided, the determined protection arch can meet the structural requirement, and construction convenience can be improved.

The present invention belongs to the technical field of drag chain equipment, and discloses a long-distance anti-collapse drag chain of metal and plastic composite, including multiple drag block groups, and the multiple drag block groups are limitedly hinged, and the drag block group includes a plastic body, a baffle and a metal pull plate, and the metal pull plate is embedded in the lower side of the plastic body, and a support column is provided at one end thereof, and a support hole is opened at the other end, and the support hole matches the support column. An arc groove is opened on the plastic body, and an arc block extends at one end of the plastic body. The arc block is integrally formed with the plastic body and the arc groove matches the arc block. Under the support of the support column, the arc groove and the arc block of the same side plastic body of the two connected drag block groups slide with each other. The present invention has a reasonable structure and strong practicality. By compounding metal and plastic and using the support column to open and close the drag block group, the load-bearing gravity between the drag block groups is converted into the longitudinal tension of the lower part and the top force of the upper part, thereby increasing the strength and load-bearing capacity of the drag chain and effectively preventing the deformation and collapse of the drag chain.

The present invention belongs to the technical field of drag chain equipment and discloses a metal drag chain comprising multiple drag block groups, the drag block group comprising a main chain plate and a baffle plate, the main chain plate comprising an inner chain plate and an outer chain plate of the same structure and symmetrical position, the movable plate being clamped between the inner chain plate and the outer chain plate, a fixed column pin being symmetrically arranged at the lower part of one side of the main chain plate, the fixed column pin being sequentially penetrated through the outer chain plate, the movable plate and the inner chain plate, a movable column pin being symmetrically arranged at the upper part of one side of the main chain plate, a strip hole being symmetrically opened at the upper part of one side of the movable plate, the movable column pin being penetrated through the strip hole and sliding along the strip hole. Under the action of the fixed column pin and the movable plate, the main chain plates are supported by the fixed column pin, the main chain plates are abutted against or opened and closed, the load force borne by the drag chain is converted into the longitudinal pulling force at the lower part of the main chain plate and the longitudinal pushing force at the upper part, and the bending is realized by the cooperation of the movable column pin and the strip hole, so as to increase the strength and bearing capacity of the drag chain and effectively prevent the deformation and collapse of the drag chain.

This application discloses a limiting mechanism and a welding strip substrate feeding device for feeding welding strip substrate. The limiting mechanism includes at least one limiting unit. The limiting unit abuts against the separation point of the welding strip substrate on the inner circumferential surface of the welding strip base material roll to limit the height of the pulled-out welding strip substrate from the separation point on the inner circumferential surface of the welding strip base material roll, thereby preventing the welding strip substrate on the inner ring of the welding strip base material roll from slipping. This application effectively avoids the problem of wire jamming during welding strip substrate feeding caused by the collapse of the inner ring of the welding strip base material roll, effectively preventing abnormal wire breakage of the welding strip substrate, thereby improving production efficiency and yield.

The utility model provides a reinforcing device for preventing a hot-dip galvanized steel plate from collapsing, and relates to the technical field of hot-dip galvanized steel plate cutting. A first supporting plate is fixed to the left side of the top of the base. A group of guide frames are welded on the right side of the first supporting plate; four main clamping plate guide rods are welded to the top of the first supporting plate and the top of the second supporting plate, and a main clamping plate is slidably mounted on the outer side of each main clamping plate guide rod; the top of the first supporting plate and the top of the second supporting plate are each rotationally provided with a lead screw. Two auxiliary supporting plates are further installed on the outer side of the guide frame in a sliding mode. Four auxiliary clamping plate supporting rods in a group are slidably mounted at the tops of the two main clamping plates correspondingly, and an auxiliary clamping plate is welded to one end of each auxiliary clamping plate supporting rod. The device cannot move in the steel plate cutting process, the two sections of steel plates can still be firmly clamped after the steel plates are cut and separated, and collapse is avoided.

The utility model discloses a debugging assembly and a mold. The debugging assembly comprises an inductor and a protective shell. The inductor comprises an induction piece, the induction piece comprises an induction part, a main body and a connecting cable, and the induction part, the main body and the connecting cable are sequentially connected in the height direction of the debugging assembly; the sensing part, the main body and at least part of the connecting cable are all arranged in the protective shell, one end, far away from the main body, of the sensing part is flush with one end of the protective shell, and the other part of the connecting cable extends out of the other end of the protective shell. In the debugging assembly, the inductor is arranged in the protective shell, and the induction part of the inductor is flush with one end of the protective shell, so that the inductor is prevented from being damaged, and stable and accurate measurement data can be obtained.

The invention discloses an adjustable high-power fuel cell stack structure which comprises an anode end plate, a cathode end plate, an insulating plate, a reactor core structure, an airbag assembly and a conductive structure, the anode end plate and the cathode end plate are respectively arranged on two sides of the air bag assembly, the insulating plates comprise an anode insulating plate and a cathode insulating plate, reactor core structures are arranged on two sides of the air bag assembly, the anode insulating plate is arranged between the anode end plate and the corresponding reactor core structure, and the cathode insulating plate is arranged between the cathode end plate and the corresponding reactor core structure; a cathode insulating plate is arranged between one side, facing the anode end plate, of the air bag assembly and the reactor core structure, and an anode insulating plate is arranged between one side, facing the cathode end plate, of the air bag assembly and the reactor core structure; the reactor core structures are connected through conductive structures; the air bag assembly is connected with the anode end plate and the cathode end plate through screws. According to the invention, a high-power battery stack structure with an adjustable function is established in a compact space.

The invention discloses an energy-saving digital drilling equipment, including an equipment body, a lifting seat is provided on the equipment body, a drill rod power head is provided on the lifting seat, a drill rod is provided on the drill rod power head, the drill rod includes a bottom rod with a drill bit at the bottom and an extension rod connected to the upper end of the bottom rod, a positioning plate is extended to the outer periphery of the bottom rod, a plurality of annular protrusions are provided on the top surface of the positioning plate, a plurality of sleeves are movably sleeved on the inner wall or outer wall of the plurality of annular protrusions, a plurality of through holes are radially provided on the annular protrusions, a stopper with a ball head at one end is penetrated in the through hole, the ball head of the stopper is ejected from one end of the through hole by a spring, a positioning groove matched with the ball head is provided on the sleeve, a first support portion is extended outwardly from the outer wall of the sleeve near the top, and a second support portion is extended inwardly from the inner wall of the bottom of the sleeve. This energy-saving digital drilling equipment effectively reduces the friction of the soft soil layer hole wall on the drill rod and avoids the collapse of the soft soil layer, reduces the driving torque required for the drill rod, avoids the drill rod from getting stuck, and plays an energy-saving role.