26results about How to "Reasonable and reliable structural design" patented technology

The utility model provides an assembly type light steel wallboard module unit integrating heat preservation and decoration. The assembly type light steel wallboard module unit comprises a module framework, a light wallboard, an inner and outer wall decorative plate and a groove type metal cover plate. The light wallboard is reasonable and reliable in structural design, through the modular design of the wallboard framework, the light wallboard can be rapidly assembled in the vertical direction and the horizontal direction, the number of on-site installation procedures is reduced, the construction efficiency is improved, the construction difficulty is reduced, and on the basis that the requirement for rapid assembly and rapid disassembly of wall decoration boards is met, the construction cost is reduced. And the waterproof, heat-insulating and attractive appearance of the joints of the wallboards is ensured. The inner wall face decoration panel and the outer wall face decoration panel are arranged in a quick-assembly and quick-disassembly structure, the wall face decoration working procedure is simplified, the sealing and waterproof functions and the like of the wall plate joints are guaranteed, and meanwhile personalized customization and convenient replacement of wall face decoration can be achieved for a user in the later using process.

The utility model relates to the technical field of bridge reinforcement, in particular to a reinforcing device for external prestressing tendons of a hollow slab bridge, which comprises a hollow slab bridge, the hollow slab bridge is composed of N longitudinally arranged hollow slabs, N is a positive integer larger than or equal to 4, a hinge joint is arranged between any two adjacent hollow slabs, and the hinge joint is connected with the hollow slabs. A plurality of arc-shaped transverse prestressed tendons distributed in the front-back direction are arranged below the hollow slab bridge, each transverse prestressed tendon comprises M bundles of steel strands, M is a positive integer larger than or equal to 3, and the two ends of each transverse prestressed tendon are anchored to the left side and the right side of the hollow slab bridge through anchoring assemblies respectively. The middle section of each transverse prestressed tendon is provided with P rhombic bracket assemblies; the problems that maintenance and repair are relatively difficult, the maintenance cost is high and the construction period is long due to large prestress loss in an existing external prestress reinforcing method for reinforcing and transforming the hollow slab bridge are solved.

The utility model relates to the technical field of bionic pressure sensors, in particular to a broadband wide piezoresistive sensing structure simulating scorpion threshold response characteristics, which comprises a threshold adjusting structure and a piezoresistive sensing unit. The threshold value adjusting structure comprises a flexible deformation cover and a threshold value sensing structure base, the flexible deformation cover covers the top end of the threshold value sensing structure base, the piezoresistive sensing unit is arranged in the threshold value sensing structure base, and a rectangular through groove is formed in the bottom of the threshold value sensing structure base; a threading hole is formed in the side wall of the threshold sensing structure base; the flexible deformation cover comprises a sheet, and the center of the lower surface of the sheet is integrally connected with an inverted-cone-shaped protruding block. The problems that the inherent contradiction exists between the sensitivity and the bandwidth performance of an existing piezoresistive sensor, in particular, structural instability under large signals is easily caused when the sensitivity is improved through a traditional design, and the response capacity to small signals is greatly reduced by increasing rigid support to expand the measuring range are solved.

The utility model relates to the technical field of RTK survey lofting, in particular to a protective umbrella for an RTK measuring instrument, and solves the problem that a measurer is not easy to clearly see a screen of an electronic handbook when the RTK survey lofting is carried out in the field. A protective umbrella for an RTK measuring instrument comprises an RTK moving station antenna, a centering rod and a protective umbrella body. An RTK antenna connecting screw hole is formed in the bottom of the RTK moving station antenna; a centering rod connecting screw rod is arranged at the top of the centering rod in an extending manner; the protective umbrella body comprises an umbrella cover, an umbrella handle and folding umbrella ribs; an umbrella handle connecting screw rod extends from the top of the umbrella handle, and an umbrella handle connecting screw hole is formed in the bottom of the umbrella handle; the upper portion of the umbrella handle is fixedly sleeved with a mounting base, the mounting base is sleeved with an umbrella rib hinge fixing ring, and external threads are arranged on the upper portion of the mounting base. The umbrella handle is slidably sleeved with an umbrella rib hinge sliding ring. Mounting holes are formed in the top end of the umbrella cover. The field RTK survey lofting device is suitable for field RTK survey lofting.

The utility model relates to the technical field of mine hoisting, in particular to an eccentric gear clearance adjustable encoder device for a mine hoist, which comprises an end cover, a mounting hole is arranged on the end cover, and an eccentric gear component is mounted on the end cover through the mounting hole. The eccentric gear assembly comprises an eccentric bearing frame, a gear shaft I and a connecting body, the eccentric bearing frame is detachably installed on the front surface of the end cover, the connecting body and the eccentric bearing frame are installed in corresponding installation holes in the end cover, an encoder is installed on the outer side face of the connecting body, an input shaft of the encoder is connected with the shaft end of the gear shaft I, and an output shaft of the encoder is connected with the shaft end of the gear shaft II; the shaft end of the gear shaft I is installed in the eccentric bearing frame through a bearing, and the gear end of the gear shaft I is connected with a gear shaft II in an engaged mode. The encoder device solves the problems that an existing encoder device is large in gear meshing clearance due to insufficient machining precision and unstable in signal output due to the fact that the clearance is aggravated by abrasion after long-term operation, and then the control precision and safety performance of a mine hoist are affected.

The invention relates to the technical field of agricultural machinery, in particular to a biological bacterial fertilizer and seed same-hole precision sowing device which comprises a seed box, a seed sowing device, a seed input pipe, a collecting bin, a bacterial fertilizer box, a fertilizer discharger, a fertilizer conveying hose, a bacterial fertilizer input pipe, a distribution bin, a discharge pipe and a controller. A discharging port of the seed box is communicated with a feeding port of the seed metering device, a discharging port of the seed metering device is communicated with a feeding port of the seed input pipe, the seed input pipe is installed at the upper end of the collecting bin, a discharging port of the bacterial fertilizer box is communicated with a feeding port of the fertilizer feeding device, and a discharging port of the fertilizer feeding device is communicated with a feeding port of the fertilizer conveying hose. A discharging opening of the fertilizer conveying hose communicates with a feeding opening of the bacterial fertilizer input pipe, the bacterial fertilizer input pipe is installed at the upper end of the collecting bin, and a feeding opening is formed in the upper end of the collecting bin; the problems that after an existing mechanical seed and fertilizer same-hole seeder works for a long time, due to abrasion of a chain or a belt, the seed and fertilizer synchronism is poor, the use amount of biological bacterial fertilizer cannot be accurately controlled, and waste is caused are solved.

The utility model relates to the technical field of outdoor apron construction, in particular to a novel apron and finished drainage ditch combined construction structure which comprises a building wall waterproof layer and an outer wall heat preservation layer installed on the right side of the building wall waterproof layer. The L-shaped water dispersion surface layer is poured on the right side of the outer wall heat preservation layer; a concrete cushion layer is poured at the bottom of the outer wall heat preservation layer, and the bottom of the vertical section of the L-shaped water dispersion face layer is connected with the concrete cushion layer. The space defined by the outer wall heat preservation layer, the L-shaped water dispersion face layer and the concrete cushion layer is filled with a lime soil backfill layer. A finished drainage ditch is installed on the concrete cushion layer and tightly attached to the right side of the vertical section of the L-shaped water dispersing face layer. The structure is simple, construction is convenient, and the defects that differential settlement is prone to occurring and the waterproof capacity is weak in an existing apron and finished drainage ditch combined construction mode can be effectively overcome.

The utility model relates to the technical field of scaffolds, in particular to a movable scaffold for building construction, which comprises a plurality of layers of rectangular horizontal support frames distributed up and down, every two adjacent layers of horizontal support frames are connected through four main vertical rods, and a working platform is arranged at the upper end of the horizontal support frame on the top layer. A protective fence is fixed to the periphery of the upper surface of the working platform, a stabilizing mechanism is arranged on the lower surface of the horizontal supporting frame located on the bottom layer, and the four corners of the lower end of the horizontal supporting frame located on the bottom layer are each fixedly connected with a universal wheel. The stabilizing mechanism comprises a positive and negative tooth longitudinal lead screw, the front portion and the rear portion of the positive and negative tooth longitudinal lead screw are each in threaded connection with a screw block, a manual disc is fixed to the front end of the positive and negative tooth longitudinal lead screw, and the lower surface of each screw block is connected with a transmission transverse rod. The problems that during construction of an existing scaffold, on-site erecting steps are tedious, time and labor are wasted, the construction period is long, and the scaffold cannot be moved are solved.

The invention relates to the technical field of image recognition, in particular to a fish disease category increment method based on double distillation, which comprises the following steps: S1, performing data enhancement on new category data and part of old category data in a category increment learning model; s2, constructing a teacher model and a student model, respectively inputting the data stream after data enhancement into the teacher model and the student model to extract a feature matrix, and obtaining sample information by adopting a characterization deviation distillation module; s3, a similar pair distillation module is adopted to ensure the consistency of the characterization features of the teacher model and the characterization features of the student model, and catastrophic forgetting caused by excessive correction is prevented; s4, reversely training the teacher model by adopting a random momentum updating method and utilizing the parameters trained by the student model, and updating the teacher model; the problem of disastrous forgetting caused by excessive correction is prevented by controlling the consistency of the representation similarity between the teacher model and the student model.

The utility model relates to the technical field of medical auxiliary instruments, in particular to a fast-assembly fast-disassembly operating bed anti-falling baffle which comprises a framework body, the framework body comprises a transverse pipe, a plurality of vertical pipes distributed in the left-right direction are welded and fixed to the lower surface of the transverse pipe, and the lower end of each vertical pipe is provided with a side rail clamping groove which is through in the left-right direction. A clamping structure is arranged at the lower end of each vertical pipe; each clamping structure comprises a button, a spring and a Z-shaped clamping plate, the middle of each clamping plate is rotationally connected between the left inner side wall and the right inner side wall of the corresponding vertical pipe through a pin shaft, the button is installed on the front side wall of the corresponding vertical pipe, and the rear end of the button abuts against the front surface of the upper end of the corresponding clamping plate. The front ends of the springs are fixed to the rear surfaces of the upper ends of the corresponding clamping plates, and the rear ends of the springs are fixed to the rear side walls of the corresponding vertical pipes. The problems that accessories of an existing operating bed are lack of specificity, cannot be quickly mounted and dismounted and cannot adapt to side rails of different specifications are solved.

The utility model relates to the technical field of hydraulic engineering, in particular to a bottom shaft driving flap gate which comprises a gate leaf, a bottom shaft fixedly installed at the bottom of the gate leaf, a hoist chamber, a bottom water stop assembly and a hydraulic locking assembly. The bottom water stop assembly is installed on the water facing side of the bottom shaft. The bottom water stop assembly comprises a P-type rubber strip, a bottom water stop support and supporting square steel. The P-type rubber strip is fixedly installed on the bottom water stop support, a pressing plate is installed on the upper surface of the P-type rubber strip, and the arc end of the P-type rubber strip abuts against the surface of the bottom shaft. The supporting square steel is fixedly connected to the inner side of the bottom water stop support, and the arc end of the P-shaped rubber strip is supported on the supporting square steel. The hydraulic locking assembly comprises a pair of crank arms and a pair of locking shafts; each crank arm is fixedly connected with a locking plate, and each locking plate is provided with a plurality of locking holes. The bottom water stop assembly solves the problems that an existing bottom shaft driving flap gate bottom water stop assembly is poor in water stop performance, and a locking assembly is poor in stress.

The utility model relates to the technical field of tunnel protection, in particular to a rockfall-preventing shading shed suitable for being used between two tunnel portal openings, which comprises a steel arch group and a shading top fixedly mounted on the upper surface of the steel arch group. The steel arch group comprises a plurality of steel arches; a plurality of steel arch bases are arranged on the left side and the right side of the steel arch group; a supporting rod is fixedly mounted on each steel arch base; the supporting rods are fixedly connected with arch feet of the steel arches in a one-to-one correspondence mode. The front end and the rear end of the steel arch set are each provided with a pair of supporting piles, the pair of supporting piles at the front end of the steel arch set are fixedly connected with the two steel arch bases located at the foremost portion respectively, and the pair of supporting piles at the rear end of the steel arch set are fixedly connected with the two steel arch bases located at the rearmost portion respectively. The supporting piles in the same pair are jointly connected with a steel cable net. The light ray impact on a driver when the driver goes in and out of the tunnel can be relieved, and meanwhile the protection effect on broken stones falling off from the slope above the tunnel portal is improved.

The invention particularly relates to an automatic ventilation device for an indoor suite door of a passive building, and solves the problem of oxygen deficit or dizziness and weakness of rest personnel caused by the fact that the concentration of indoor CO2 and PM2.5 cannot be detected in time during night rest of an existing passive building. A lock is arranged on the suite door, an outer ventilation opening is formed in an outer side plate at the top of the door pocket line, an inner ventilation opening located on the inner side of the suite door is formed in a top plate of the door pocket line, an air duct communicated with the outer ventilation opening and the inner ventilation opening is arranged between the outer ventilation opening and the inner ventilation opening, and a power transmission mechanism and a rotary ventilation mechanism are arranged in the door pocket line. Automatic ventilation of the public area and the indoor room is achieved, the CO2 concentration and the PM2.5 concentration in the room are equivalent to those in the public area, the CO2 and PM2.5 concentration detecting instrument installed in the public area can detect the concentration of harmful gas in the closed room in time, the fresh air system is started in time to convey fresh air into the room, the air cleanliness in each independent room is improved, and the indoor environment is protected. And the comfort level of the living environment is further improved.

The utility model relates to the technical field of constructional engineering, in particular to a buckling restrained brace embedded part auxiliary installation device which comprises an embedded part and further comprises a frame base, a plurality of supporting plates are fixedly connected to the periphery of the top end of the frame base, and a connecting ring is fixed to the top ends of the supporting plates jointly. A horizontal mounting plate is rotationally mounted on the connecting ring through a rotating assembly, a supporting stand column is fixedly mounted at the top end of the horizontal mounting plate, a vertical adjusting mechanism is mounted at one end of the supporting stand column, and a vertical adjusting driving mechanism is mounted at the other end of the supporting stand column; a horizontal driving mechanism for driving the horizontal mounting plate to rotate is mounted on the frame base; the device is applied to installation of the embedded part of the buckling restrained brace, a tower crane does not need to be occupied for installation or an automobile crane does not need to be used for auxiliary transportation and auxiliary installation, the influence of occupation of the tower crane on the construction period is reduced, the installation accuracy of the device is higher, and the installation efficiency of the embedded part is improved.

This utility model relates to the field of water conservancy construction technology, specifically a wall-brushing device for concrete anti-seepage walls used in grab bucket excavators. It includes a base plate, with two opposing base vertical plates fixed to the lower surface of the base plate. A first reinforcing plate is fixed between each base vertical plate and the base plate. Two outer wire mesh clamps are fixed to the upper surface of the base plate, and two inner wire mesh clamps are detachably installed between the two outer wire mesh clamps. The two outer wire mesh clamps and the two inner wire mesh clamps correspond one-to-one and are all semi-circular. Several wire brushes, evenly spaced along their arc-shaped edges, are clamped between each outer wire mesh clamp and its corresponding inner wire mesh clamp. Several reinforcing ribs are fixed between the tops of the two outer wire mesh clamps along their arc-shaped edges. This invention solves the problems of existing concrete anti-seepage wall joint treatment where wall brushing, slag removal, roughening, and groove milling require two separate sets of equipment for step-by-step operation, resulting in low construction efficiency, high construction costs, and time consumption.

The utility model relates to the technical field of cable replacement, in particular to a guiding device convenient for an existing railway cable to penetrate through a protective sleeve, which comprises an adjustable guiding device main body in a cylindrical cavity shape, a cable inlet is arranged at the top end of the adjustable guiding device main body, and a handle is integrally connected to the outer side wall of the adjustable guiding device main body. The lower end of the adjustable guiding device main body is provided with a progressive pipe expanding layer in a conical cavity shape, the inner cavity of the progressive pipe expanding layer is communicated with the inner cavity of the adjustable guiding device main body, the lower end of the progressive pipe expanding layer is provided with a cable outlet, the adjustable guiding device main body comprises a PVC plate, the thickness of the head end of the PVC plate is larger than that of the tail end of the PVC plate, and the diameter of the PVC plate is larger than that of the tail end of the PVC plate. A sliding groove is formed in the head end of the PVC plate, the head end and the tail end of the PVC plate are connected in a sleeved mode through the sliding groove, and a fixing hole is formed in the outer side wall of the head end of the PVC plate. The problems that the construction efficiency is low, the construction period is long and the cable is easily scratched when the existing cable passes through the protective sleeve are solved.

The application is a kind of impeller blade for full hydrogen strong convection cover type annealing furnace platform fan, which is used to increase the heat obtained by steel coil during the use of full hydrogen strong convection cover type annealing furnace. The blade body of the impeller blade for full hydrogen strong convection cover type annealing furnace platform fan includes vertical flat piece and curved piece, and the curved piece is connected to the upper side of the vertical flat piece. The rear surface of the curved piece is part of a conical surface, and the front surface is parallel to the rear surface. The generatrix of the conical surface is the intersection line of the rear surface of the vertical flat piece and the rear surface of the curved piece. The apex of the conical surface is located between the center line of the impeller and the intersection line. The rotation axis of the conical surface is arranged on the plane perpendicular to the vertical flat piece, and the rotation axis is located behind the curved piece. The optimization design of the structure of the impeller blade makes the impeller meet the requirements of fluid mechanics, high speed and high temperature. In full hydrogen atmosphere, the air volume can reach 60000m 3 / h.

The present invention is specifically a stirrup binding device at the intersection of beams and columns of a frame structure, which solves the problems of time-consuming and labor-intensive, low construction efficiency and affecting the overall bearing capacity when binding steel bars of existing frame structures. Beam-column stirrups are arranged at the outer edges of the main reinforcements of the frame columns, and plastic tie straps are connected to the staggered positions of the beam-column stirrups and the main reinforcements of the frame columns at their corners. Spacing positioning bars are arranged on the outer sides of the four corners of the beam-column stirrups, and tie strap binding mechanisms are arranged on the inner sides of the four corners of the beam-column stirrups; the tie strap binding mechanism includes a hollow square tube, a lifting plate is arranged inside the hollow square tube, a bite mechanism is arranged on the lifting plate, and tie strap holes are opened on the front side wall of the hollow square tube, and heating plates are arranged on the left and right sides of the tie strap holes. The present invention completes the rapid binding of beam-column stirrups at the outer edges corresponding to the main reinforcements of the frame columns and the main reinforcements of the frame beams, while overcoming the problems of shortage and missed binding of beam-column stirrups, improving construction efficiency and ensuring the overall bearing capacity of the frame structure.

The present invention is specifically a passive room indoor door frame device with self-ventilation function, which solves the problem that the existing indoor room door is closed and the human body has difficulty breathing and affects the sleep quality when resting. It includes a door frame side plate and a door frame, and the left end surface of the door frame is opened with a ventilation port, and a mobile drive mechanism and a mobile guide mechanism are arranged in the door frame; the mobile drive mechanism includes a forward and reverse remote control switch and a strip baffle, and a channel steel-shaped horizontal guide rail is arranged in the middle of the strip baffle, and a motor is arranged on the channel steel-shaped horizontal guide rail. A horizontal rack is fixed on the right side of the strip baffle, and a gear is arranged on the input shaft of the motor. The forward and reverse remote control switch is connected to the power supply circuit of the motor; the mobile guide mechanism includes a guide plate, and a channel steel-shaped horizontal guide rail I is arranged on both sides of the guide plate, and guide rollers I are arranged on both ends of the front and rear of the connecting plate I. The present invention realizes self-service ventilation without affecting the privacy of the room, and ensures the air circulation in the room.

The present invention is specifically a centrifugal high-speed seeding device, which solves the problems of poor seeding quality and low efficiency of existing broadcast seeding devices. A seeding wheel is arranged between the left support frame and the right support frame, and a limited seed box and seeding holes are arranged in the seeding wheel; a seed blocking sleeve is sleeved on the seeding wheel, and a seed protection hole is opened on the seed blocking sleeve, and a seeding shell is sleeved on the seed blocking sleeve, and a seed outlet hole is arranged at the lower end of the seeding shell; an adjustment disk is arranged at the right end of the seed blocking sleeve, and a seed delivery pipe is arranged between the seed box and the limited seed box, a seeding shaft is arranged at the center of the left end of the seeding wheel, and a seeding sprocket is arranged at the left end of the seeding shaft. The present invention greatly improves the sowing quality and improves the sowing efficiency.

This utility model provides a battery pack charging stand and a charger including the same. The upper and lower shells of the battery pack charging stand each have a U-shaped recessed charging coupling space on their outer sides. Pairs of L-shaped holes are formed at the junction of the bottom plate and side plate of the charging coupling space, and each L-shaped hole accommodates a charging electrode plate. The charging electrodes are arranged in pairs, staggered on the upper and lower shells. Positioning mechanisms for the charging electrodes are provided on the inner surfaces of the upper and lower shells. The charging electrodes are L-shaped, including an integrally formed narrow square portion and a wide square portion. The narrow square portion extends from the L-shaped hole into the charging coupling space for inserting a battery pack. The wide square portion is limited in six directions (front / back, left / right, and up / down) by the positioning mechanism. This utility model can meet the requirements of simultaneous charging of multiple battery packs, with a robust structure and compact size.

This utility model relates to a structure for treating bridge abutment slab settlement. The pile foundation has piles extending deep into the bearing layer beneath the soft soil foundation. A support wall is located behind the pile foundation and situated on the soft soil foundation. From bottom to top, the pile foundation includes a pile cap, an abutment, and abutment cap. One end of a slab rests on the abutment cap, and the other end rests on the support wall. The support wall has a tenon at its rear to resist the thrust of the telescopic mechanism. A wedge-shaped settlement compensation block and a telescopic mechanism are arranged on the support wall between the slab and the tenon. The lower end of the wedge-shaped settlement compensation block is inserted into the gap between the slab and the support wall. One end of the telescopic mechanism abuts the tenon, and the other end abuts the wedge-shaped settlement compensation block. During its extension, the telescopic mechanism pushes the wedge-shaped settlement compensation block towards the slab to lift the rear of the slab. The advantages are: the structure is reasonably and reliably designed, easy to operate, improves the construction efficiency of treating bridge abutment slab settlement, has low cost, allows for earlier traffic opening, and facilitates residents' travel.

The invention discloses a reinforcement cage for a prestressed pipe pile and a core filling quick-setting concrete construction method, and relates to the field of building construction.The reinforcement cage comprises a main reinforcement, stirrups are fixed to the outer portion of the main reinforcement in a surrounding mode, and the lower portion of the main reinforcement penetrates through a dragging bottom plate and is connected with a reinforcement sleeve through bolts. The construction method comprises the following steps: cutting the main reinforcement and threading the end part to obtain a reinforcement connecting thread port, and trying to sleeve a reinforcement sleeve; through holes are formed in the mop bottom plate in the circumferential direction. The stirrups surround the outer portions of the main reinforcements and are bound and fixed, the main reinforcements penetrate through the through holes of the dragging bottom plate, the reinforcing steel bar sleeves are installed on the reinforcing steel bar connecting threaded openings, a reinforcing steel bar cage is manufactured, and the reinforcing steel bar cage is placed in the concrete pipe; the quick-setting cement paste is prepared; taking core filling concrete, mixing the core filling concrete with the prepared quick-setting cement paste, and stirring to prepare quick-setting core filling concrete; and pouring the quick-setting core-filling concrete into the concrete pipe with the pouring depth of 50cm, pouring the core-filling concrete into the concrete pipe, and pouring to the designed elevation, thereby completing the pouring.

The utility model relates to the technical field of bridge reinforcement, in particular to a shear resistance and transverse reinforcement device for a concrete hollow slab bridge, which comprises a bridge, the bridge is composed of a plurality of longitudinally arranged hollow slabs, a hinge joint is arranged between any two adjacent hollow slabs, and a pavement layer is paved on the bridge floor of the bridge. The fish-bellied supporting beams are horizontally and transversely arranged, and the upper surfaces of the fish-bellied supporting beams are attached to the lower surfaces of any four adjacent hollow slabs; the fish-bellied supporting beam comprises a main beam and two auxiliary beams which are transversely arranged, the two auxiliary beams are in front-back symmetry about the main beam and are integrally connected with the main beam, anchoring holes I which are through up and down are formed in the middle and the two ends of the main beam, and the positions of the three anchoring holes I correspond to the positions of the three hinge joints among the four corresponding hollow slabs one to one; the problems that an existing method for reinforcing and transforming the hollow slab bridge is long in construction period, large in traffic influence and weak in shear bearing capacity are solved.

The utility model relates to the technical field of concrete conveying, in particular to a movable crossing concrete conveying device which comprises a base, an engine and a spiral conveyor are installed on the base, a driving belt wheel is installed at the output end of the engine, and a main walking wheel is installed on the lower surface of the base. The spiral conveyor comprises a groove body, a spiral shaft is rotationally connected into the groove body, spiral blades are fixed to the outer surface of the spiral shaft, a driven belt wheel is installed at the front end of the spiral shaft, the driven belt wheel is located on the outer side of the groove body, the driven belt wheel is in transmission connection with the driving belt wheel through a belt, and a feeding hopper is installed at the top of the front end of the groove body. Auxiliary walking wheels are installed on the front portion of the lower surface of the bottom plate, supporting columns are installed on the rear portion of the lower surface of the bottom plate, a discharging port is formed in the rear portion of the lower surface of the bottom plate, and a discharging adjusting mechanism is installed at the rear end of the tank body. The problems that the construction efficiency is low, the equipment is inconvenient to move and the potential safety hazard is large when a channel embankment beside a narrow side channel top road is heightened in an existing concrete conveying mode are solved.

The utility model relates to the technical field of bridge construction, in particular to a bridge floor expansion joint rubber water stop strip mounting device which comprises a rectangular support, a small electric winch is bound on a front transverse rod of the rectangular support, a longitudinal inclined rod with the front portion higher than the rear portion is fixed to the middle of a rear transverse rod of the rectangular support, and a left-right through sliding groove is formed in the longitudinal inclined rod. A clamping and fixing device is slidably connected into the sliding groove, a fixed pulley is arranged at the end of the longitudinal inclined rod, a steel wire rope of a small electric winch is wound around the fixed pulley, and a hook is fixed to the end of the steel wire rope. The clamping and fixing device comprises an adjusting bolt and two U-shaped clamps, a rod body of the adjusting bolt is inserted into the sliding groove in a sliding mode, the two U-shaped clamps are installed at the two ends of the adjusting bolt respectively, and the two U-shaped clamps are in bilateral symmetry about the longitudinal inclined rod; the problems that an existing bridge deck expansion joint rubber water stop strip installation mode is labor-consuming, time-consuming and low in construction efficiency are solved.