125results about How to "Improve mobile convenience" patented technology

The utility model relates to the field of food safety, and discloses a food safety sampling rapid detection box which comprises a detection box body, a rotary drum seat is arranged in an inner cavity of the detection box body, a plurality of containing grooves are formed in the top of the rotary drum seat, limiting mechanisms are arranged in inner cavities of the containing grooves, a rotary shaft is fixedly connected to the center of an inner cavity of the rotary drum seat, and the rotary shaft is fixedly connected with the rotary drum seat. According to the food safety sampling rapid detection box, a detection sample test tube is placed in the containing groove and limited by the limiting mechanism, a food label is placed in the label groove, the transparent sealing cover is covered, the test tube is pressed from the top to seal the top, and the transparent sealing cover does not need to be opened when the test tube is taken for detection; the sealing plug is taken down, the rotating block drives the rotating shaft and the rotating drum seat to rotate, so that the required sample test tube is rotated to the bottom of the groove hole, the test tube is ejected by the ejection mechanism, the required sample test tube is conveniently and quickly taken out for detection, and the problem that the required sample test tube is difficult to take out in the conventional food detection box is solved.

The invention relates to the technical field of supporting, in particular to an underground metal mine mining supporting device and method. The underground metal mine mining supporting device comprises two supports, the front sides of the tops and the bottoms, close to each other, of the two supports are rotationally connected through rotating shafts, supporting plates are rotationally connected to the bottoms in the two supports, first baffles are slidably connected to the sides, away from each other, of the two supports, and second baffles are obliquely arranged on the tops of the two supports; limiting blocks are slidably connected to the upper portions of the two supports. A first trigger rod and a second trigger rod are arranged on the first baffle and the second baffle correspondingly. By integrating the distance sensor and the alarm lamp, potential risks in the mine laneway are automatically monitored and early warned, meanwhile, impact is automatically responded through the first trigger rod and the second trigger rod, the supporting plate is triggered to automatically rotate to form a stable triangular protection space, manual intervention is not needed in the process, and the safety is high. An effective and timely refuge channel is provided for workers, and the safety of metal mine operation is remarkably improved.

The invention discloses novel air exchange equipment for a livestock breeding house. The novel air exchange equipment comprises a movable base, a core supporting frame and air blowing fan equipment are fixedly arranged on the upper portion of the movable base. A multi-stage sleeve telescopic device is fixedly arranged on the front side of the upper portion of the movable base, and electric rotation equipment is fixedly arranged on the top of the multi-stage sleeve telescopic device. The electric two-stage telescopic rod body can accurately control the position of the air outlet pipe, so that the air outlet pipe can better adapt to the positions of different windows. Height adjustment is flexible, wherein the multi-stage sleeve telescopic device can be flexibly adjusted according to the heights of windows of different livestock breeding houses, and it is ensured that the air outlet pipe can accurately extend into the windows.

The invention relates to the technical field of substrate glass production, and discloses a substrate glass safe sampling device and method.The substrate glass safe sampling device comprises clamping jaws, a clamping jaw frame, a three-hinge mechanism and a locking handle, the two clamping jaws are fixed to the two ends of the clamping jaw frame respectively, the three-hinge mechanism is arranged in the middle of the clamping jaw frame, and the locking handle is arranged on the clamping jaw frame; the design of the three-hinge mechanism allows the clamping jaw frame to have certain flexibility while keeping certain rigidity, the clamping jaw frame can adapt to substrate glass of different shapes and sizes, the sampling safety is further improved, the sampling success rate is further increased, meanwhile, the three-hinge mechanism is connected with the locking handle, and the clamping jaw frame is convenient to use. By arranging the locking handle, an operator can easily adjust the opening and closing degree of the clamping jaw so as to quickly and accurately clamp the substrate glass, the locking handle can also fix the position of the clamping jaw, once the clamping jaw is locked, the clamping jaw can firmly clamp the substrate glass, and the sampling device has the advantages of high sampling efficiency and high safety, and is suitable for popularization and application. And the injury to sampling personnel is avoided.

This utility model discloses a portable refractometer for aircraft de-icing and anti-icing fluid, including a carrying case. A side panel is hinged to the right side of the carrying case, and a buckle is provided between the carrying case and the side panel. A movable component is provided on the front of the carrying case, and a fixed component is provided on the bottom of the carrying case. A first screw is inserted into the moving cylinder at its lower end, and an adjusting rod is fixedly installed on the top of the first screw. A handle is fixedly installed on the top of the adjusting rod. This utility model relates to the field of aircraft maintenance equipment technology. This portable refractometer for aircraft de-icing and anti-icing fluid, through the adjustable handle and casters of the movable component, facilitates easy handling of the equipment in large areas such as airports, improving mobility. Simultaneously, the mounting component firmly fixes the main body of the refractometer inside the carrying case, and together with the fixed component, enhances overall stability during transportation, preventing damage due to shaking and ensuring transportation safety.

The utility model discloses a multi-seat assembled bean table which comprises a table board, the table board is arranged in a right-angle fan shape, a storage box is clamped in the rear side of the upper end of the table board, two side telescopic sleeves are fixedly connected to the front side of the lower end of the table board, a center telescopic sleeve is fixedly connected to the center of the lower end of the table board, and the center telescopic sleeve is fixedly connected to the rear side of the table board. The side telescopic sleeves and the center telescopic sleeve are connected through side sliding blocks and side connecting rods, and the side telescopic function is achieved. By means of the design, the table can be easily expanded or contracted according to needs so as to adapt to different use scenes. Through the magnetic force of the side magnets, a plurality of tables can be mutually connected, and a user can conveniently combine the tables according to requirements. The modular connection system not only improves the use flexibility of the table, but also reduces the storage and transportation cost, and the design of the whole table considers the operation convenience and maintenance requirements of a user. The connection mode of all the components is simple and easy to understand, and a user can assemble and disassemble the components conveniently.

The utility model discloses a decorative picture frame with a lighting function, and belongs to the technical field of decorative picture frames. The picture frame comprises a picture frame body, a lighting assembly and a positioning assembly, the lighting assembly comprises a containing groove, the containing groove is formed in the front side of the picture frame body, a long plate is arranged in the containing groove, the inner side of the long plate is fixedly connected with a lamp belt, the inner wall of the containing groove is fixedly connected with a shielding plate, and the long plate and the lamp belt are both located on the rear side of the shielding plate. The rear side of the inner wall of the containing groove is fixedly connected with a fixing frame, the interior of the fixing frame is movably connected with a plurality of moving blocks, the moving blocks are located at the top and the bottom of the lamp strip and are evenly distributed, and the outer sides of the moving blocks are fixedly connected with elastic plates. According to the decorative sliding picture, the lighting assembly is used for lighting the decorative picture, when the picture frame is in a dark scene, the specific content of the decorative sliding picture can be directly observed, and the decorative sliding picture can adapt to the dark environment.

The utility model provides a plant straw packing device, which relates to the field of straw recycling, and comprises a shell and a feed port arranged at the top end of the shell, one end of the shell is provided with a hydraulic rod, one end of the hydraulic rod extends to the inner side of the shell and is provided with a push plate, and the other end of the shell is provided with a discharge port. According to the straw packaging bag, the discharging port is formed in the end of the shell, straw is pressed into straw blocks with the length being the transverse length of the straw, and therefore the straw packaging bag is convenient to use, and the straw packaging bag has the advantages of being simple in structure, convenient to use and high in practicability. And meanwhile, the telescopic rod is installed above the end of the shell, the telescopic rod controls the containing cavity of the shell to communicate with the middle of the discharging port through the baffle, straw blocks are discharged through continuous movement of the hydraulic rod, the overall width of the packing machine is reduced, and the moving convenience of the packing machine is improved.

The utility model provides a kind of multiple teat continuous supply formula lamb is with lactation device, it is related to the technical field of livestock breeding, including fixed support, the both sides position symmetry fixed setting of fixed support has feeding bottle support, feeding bottle support is uniformly provided with multiple side by side, each feeding bottle support is respectively provided with feeding bottle, feeding bottle is obliquely arranged, the lower end of feeding bottle is provided with nipple, the upper portion of feeding bottle support is fixedly provided with milk tank, the outside of milk tank is communicated with the upper end of feeding bottle by pipeline, the outside of milk tank and located on pipeline are fixedly provided with throttle valve, the upper end of feeding bottle and located on pipeline are fixedly provided with check valve.The utility model realizes that multiple lambs are simultaneously fed by single equipment, significantly improves the efficiency of large-scale breeding, reduces the risk of lamb digestive system disease, adapts to different environmental temperature requirements, effectively blocks milk backflow, avoids milk tank pollution and cross infection between lambs.

The utility model discloses a scaffold for constructional engineering, which belongs to the technical field of scaffolds for constructional engineering and comprises a bottom plate, four adjusting cylinders are fixedly connected to the upper surface of the bottom plate, an adjusting plate is arranged in each adjusting cylinder, the upper surfaces of the four adjusting plates are jointly and fixedly connected with a top plate, a rotating rod is arranged above the bottom plate, and the rotating rod is fixedly connected with the bottom plate. The outer surface of the rotating rod is sleeved with two limiting frames, the bottom face of each limiting frame is fixedly connected with the upper surface of the bottom plate, the outer surface of the rotating rod is fixedly connected with two rolling wheels, and the upper surface of the bottom plate is fixedly connected with a servo motor. According to the scaffold for constructional engineering, the bottom plate and the top plate are moved through rolling of the roller frames, workers do not need to go down from the scaffold to manually push the scaffold to move, the moving convenience in the scaffold construction process is improved, constructors do not need to repeatedly go up and down the scaffold to move, and the labor intensity of the constructors is reduced; and the construction progress of building engineering is accelerated.

The utility model relates to the technical field of pneumatic jumbolters, in particular to a pneumatic jumbolter for a coal mine, and aims to solve the problems that the bottom of a drilling machine lacks an auxiliary supporting mechanism, the drilling machine is only placed on the ground and is easy to support unstably, slide and deviate during working, so that the whole device falls to the ground, and the drilling machine is inconvenient to operate. Therefore, an operator is hurt, and the movement is inconvenient. Comprising a pneumatic jumbolter body, a drill bit assembly is arranged on the top area of the pneumatic jumbolter body, a control handle is arranged on the top area of the pneumatic jumbolter body, and a supporting mechanism is arranged at the bottom end of the pneumatic jumbolter body; the supporting mechanism further comprises a supporting seat, a first bearing, a fixing column, a rotating table, a fixing plate and a first rotating shaft, a mounting groove is formed in the top end of the supporting seat, the first bearing is fixedly connected with the corresponding mounting groove, and the fixing column is fixedly sleeved with the corresponding first bearing.

The utility model relates to the technical field of cleaning devices, in particular to a cleaning device based on a grinding device, which comprises a movable rack, a water tank and a water pump are arranged on the rack, and the water pump is communicated with a water path of the water tank; when the grinding device is cleaned, the spraying rod can be held by one hand to control the position and the circumferential angle of the spraying rod, the handle is held by the other hand, and after the kneading action of the handle is controlled, the sliding ring is controlled to move through the traction rope, so that the grinding device is cleaned, and the grinding device is cleaned. According to the cleaning device, the spraying angle of a spray head is adjusted, two hands work cooperatively, multi-angle cleaning adjustment of the spray head is completed, the problem of cleaning blind areas is avoided, and the comprehensiveness and convenience of cleaning are improved, secondly, a spray rod is designed to be capable of being stored, and a hose is synchronously wound and unwound in cooperation with a winder; and the storage and movement convenience of the whole device is greatly improved.

The invention relates to a kind of air and water pumping conversion device and its adaptive drilling method, including coaxial nesting device and adaptive control device, one end of coaxial nesting device is equipped with gas extraction hose, high-pressure water supply hose and high-pressure air supply hose, the other end is connected with coaxial nesting drill rod, coaxial nesting drill rod is connected with drill bit, and coaxial nesting device is connected with adaptive control device;Coaxial nesting device includes outer cylinder, three layers of pipes are arranged in outer cylinder, which are water supply channel, air supply channel and extraction pipeline arranged coaxially from outside to inside, the end of water supply channel is connected with high-pressure water supply hose;The end of air supply channel is connected with high-pressure air supply hose;The end of extraction pipeline is connected with gas extraction hose.The invention realizes multi-system integration by coaxial nesting channel design, dynamically switches power mode and gas extraction strategy by combining BP neural network model and real-time sensor data, and solves the problems of low efficiency, poor safety and insufficient adaptability in prior art.

A flat cart for logistics distribution and carrying comprises a fixed bottom plate, a fixed supporting plate, a bearing flat plate, positioning locking blocks, threaded supporting rods, a driving gear disc and a rotating seat, the lower portion of the fixed bottom plate is connected with self-locking universal wheels, the upper portion of the fixed bottom plate is provided with a plurality of positioning locking seats, the positioning locking seats are provided with positioning locking grooves, and the middle of the fixed bottom plate is provided with a center stand column. The fixed bottom plate is provided with a lower sliding groove; the upper part of the rotating seat is attached to the bearing flat plate; the bearing flat plate is provided with an upper sliding groove; the lower part of the bearing flat plate is connected with the central stand column; the balls are connected with the installation groove and comprise the upper balls and the lower balls, the upper balls are matched with the upper sliding groove and connected with the upper sliding groove, the upper balls slide in the upper sliding groove, and the lower balls are matched with the lower sliding groove and connected with the lower sliding groove.

The utility model relates to the technical field of property cleaning tool boxes, in particular to a multifunctional convenient tool box for property cleaning. The multifunctional convenient tool box for property cleaning comprises a box body, a water storage tank is formed in the bottom of the box body in a penetrating mode, a supporting plate is arranged at the corner of the inner side wall of the water storage tank, a through hole is formed in the bottom of the supporting plate in a penetrating mode, a hand screwing bolt is arranged in the through hole, a bottom plate is placed in the water storage tank, and a handle is arranged on the bottom plate. A sealing ring is arranged on the outer side wall of the bottom plate, the outer side wall of the sealing ring is attached to the inner side wall of the water storage tank, after clean water in the water storage tank is emptied and the hand-screwing bolt is screwed off, the bottom of the bottom plate can be pushed to enable the bottom plate to move upwards out of the water storage tank, when the bottom plate moves upwards, the sealing ring can be driven to synchronously move upwards, and the sealing ring is driven to move upwards. And when the sealing ring moves upwards, dirt attached to the inner wall of the water storage tank can be scraped off, so that the difficulty of thoroughly cleaning the interior of the water storage tank in the later period is reduced.

The utility model discloses a kind of robot multi-gripper devices, including mechanical arm, the bottom of the mechanical arm is provided with moving assembly, the top of the mechanical arm is provided with mounting bracket, mechanical claw is installed on the mounting bracket by connecting frame, the moving assembly includes mounting plate and sliding plate, the bottom of the mounting plate is rotatably connected with adjusting plate, the top of the mounting plate is provided with the drive mechanism for driving adjusting plate rotation, the bottom of the sliding plate is provided with universal wheel, the utility model is linked by the linkage design of speed reducer, adjusting plate, hydraulic push rod and the like component, the flexible switching of device movement and fixed state is realized, when needing to move, speed reducer drives adjusting plate to make four groups of universal wheel structure synchronous expansion outward, cooperate hydraulic push rod and universal wheel is lowered to ground, by the flexible steering characteristics of universal wheel, 360 degree free movement of device can be easily realized, improve the moving convenience of device.

The utility model discloses a kind of hot roller assemblies for polyamide monofilament production, including hot roller main body, vertical adjusting assembly and horizontal adjusting assembly, the vertical adjusting assembly includes fixed frame, the fixed frame is set on the surface of hot roller main body, the both sides of the fixed frame are provided with vertical board, the inside of the vertical board is provided with through opening, the both sides of the hot roller main body are fixedly connected with round block, the inside of the through opening is slidably connected with the round block, the surface of the round block is threadedly connected with sleeve, the inside of the sleeve is provided with annular, the surface of the round block is sleeved with annular, the inside of the annular is fixedly connected with tooth, the outside of the vertical board is fixedly connected with tooth plate.The utility model adjusts the position of hot roller using adjusting assembly, when heating polyamide, its position can be adjusted, can be adaptively adjusted according to different use requirements, use effect is more various, can satisfy the use demand of user.

The utility model relates to the technical field of decorative plate surface shaping, in particular to a decorative plate surface shaping device which comprises a main body mechanism, a clamping mechanism and a shaping mechanism, the device is moved to a required operation area through universal wheels of the main body mechanism, and a second gear is driven to rotate through an adjusting knob arranged on the clamping mechanism; according to the decorative plate pressing and covering device, the adjusting bolt is rotated to drive the first gear meshed with the adjusting bolt to rotate synchronously, so that the first gear moves horizontally along the lead screw, and therefore the concave clamping block fixedly connected with one end of the lead screw is driven to move synchronously to the appropriate clamping width of a decorative plate, and then the pressing and covering block ascends and descends through rotation of the adjusting bolt; and finally, a servo motor is started through a controller to drive a hydraulic telescopic rod and a leveling roller to conduct downward pressing and leveling, the mechanical leveling effect of the decorative plate is achieved, and by means of the shaping mode, instability of manual pressing and fixing is avoided, and meanwhile the working efficiency and the shaping quality of the decorative plate are improved.

The utility model relates to the technical field of shelter movement, in particular to a hydraulic walking mechanism. The hydraulic walking mechanism comprises a supporting table, a hand lever hydraulic lifter is placed on the top of the supporting table, a connecting shaft is arranged at the bottom of the hand lever hydraulic lifter, the front side and the rear side of the connecting shaft are each provided with a set of walking wheels in a rotating mode through a rotating shaft, and the front side and the rear side of the hand lever hydraulic lifter are each provided with a set of spring pins. Two sets of lock holes are evenly formed in the top of the supporting table, lock rods of the spring pins are inserted into the lock holes, a supporting plate is placed on the right side of the supporting table, and a mounting hole is formed in the left side of the bottom of the supporting plate; after a lock head of the spin lock is inserted into a hole corresponding to a square cabin corner fitting, the device and the square cabin can be in butt joint and fixed by rotating a handle, then the square cabin can be jacked up to be dragged by pressing a hand lever on the hand lever hydraulic lifter in a reciprocating mode, and therefore the moving convenience of the square cabin is improved, and meanwhile the transferring cost of the square cabin is reduced.

The utility model discloses a walking aid for nursing and recovery, which belongs to the field of walking aid for nursing and recovery and comprises a walking aid component, the walking aid component comprises two walking aid rods, two fixing rods are detachably connected to the lower ends of the two walking aid rods, walking aid wheels are rotatably connected to the two ends of the two fixing rods, stabilizing seats are connected to the lower ends of the two walking aid rods, and the stabilizing seats are connected to the stabilizing seats. According to the walking aid, through the arrangement of the walking aid assembly, the walking aid stability can be improved, the use safety can be improved, meanwhile, the self weight can be reduced, the use convenience of the walking aid can be improved, and in addition, the walking aid is convenient to use. Through mutual matching of the structures, the structure is simple, and therefore disassembly of all the components can be facilitated.

The utility model discloses portable diamond micro powder ultrasonic cleaning machine relates to ultrasonic cleaning technical field, including the casing, the top surface rotation of casing is connected with the apron, the top surface installation of apron has the handle, the bottom wall of casing is installed with the transducer, the bottom wall symmetry of casing is installed with two electric telescopic rod, the utility model discloses when using, through casing, apron and handle guarantee equipment portability, and electric telescopic rod drives the porous cylinder to go up and down, and the cooperation carousel rotation realizes cleaning - drying integration, avoids micro powder transfer pollution and loss, and waterproof case protection servo drive motor can accurate regulation rotate speed to adapt to cleaning and drying demand, and circulation pump and four -stage filtration component realize water resource purification reuse, and quick -detach mechanism can be quickly disassembled porous cylinder without tools, and give both sides operation convenience, cleaning uniformity and environmental protection.

A nursing bed lifting guardrail comprises a bed board, a lifting board, a limiting board, a protection rod, a position control rod, a positioning supporting rod and a positioning lock sleeve, the upper portion of the bed board is connected with a fixed guardrail, the lower portion of the bed board is connected with a fixed support, the inner side of the fixed support is connected with a reinforcing supporting rod, and the lower portion of the fixed support is connected with self-locking universal wheels. The lower portion of the bed board is provided with a positioning supporting sleeve, the lower portion of the positioning supporting sleeve is attached to a limiting board, a plurality of protection rod penetrating holes are formed in the two sides of the bed board, and a plurality of protection rods are arranged on the lower portion of the lifting board. The protection rods are matched with the protection rod penetrating holes and penetrate through the protection rod penetrating holes, installation supporting sleeves are arranged at the lower ends of the protection rods, and the self-locking universal wheels are connected with the limiting plates.

The present invention discloses a trampoline impact resistance detection and testing machine, which relates to the technical field of detection and testing machines, including a composite mechanism. The trampoline impact resistance detection and testing machine, through a composite structure design, controls the lifting and lowering of a lifting screw rod by a first motor, thereby controlling the contact area between a moving crossbeam and a trampoline, thereby achieving detection effects at different heights, placing a trampoline inside a processing mechanism, and impacting the surface of the trampoline through an impact mechanism, thereby achieving a detection effect on the surface tension of the trampoline, avoiding insufficient elasticity of the trampoline and affecting the user experience, and then pressing the surface of the trampoline through a pressing mechanism, thereby detecting the bearing capacity of the trampoline, avoiding exceeding the usage volume and affecting user safety, and at the same time detecting the metal bracket of the trampoline, effectively monitoring the support effect, and finally simulating the jumping movement of the human body on the trampoline through an impact device, thereby improving the intuitive detection effect.

The application discloses a kind of laser ultrasonic detection devices of tubular shell class structural member defect, belong to laser ultrasonic detection technical field.The device includes modular design expandable workbench, support swing arm module is equipped in the middle of workbench, support driven roller is arranged on support swing arm module;Lift laser module is also equipped on the both sides of workbench, fiber laser head is installed thereon, for emitting pulsed laser to generate ultrasonic wave, receive and analyze generated ultrasonic wave, to realize the nondestructive testing of test piece;The front end of workbench is equipped with pressing rotation module, for pressing the inner wall of the tubular shell structural member to be measured, and drive tubular shell structural member to rotate, to realize omnidirectional laser ultrasonic detection.The application realizes the stable support and rotation drive of different size tubular shell structural member by the synergistic effect of support swing arm module and pressing rotation module, cooperate with the fiber laser head on lift laser module, can carry out omnidirectional detection to the inner wall defect of tubular shell class structural member.

The utility model discloses a kind of clamping jack and its whole bundle cable threading machine, it is related to the steel strand cable threading technical field of construction, bridge cable-stayed cable construction engineering, it includes cylinder body and piston rod of one end sliding connection in the cylinder body and the other end stretches out the cylinder body outside, the end of the cylinder body that stretches out piston rod is connected with barrel clamping head, steel strand transmission channel is radially equipped in the middle of this clamping head, the piston rod stretching out end is connected with clamping fork, the clamping fork is installed in the movement channel that is axially equipped in the clamping head, the clamping head is installed with steel strand inductor, compared with prior art, the utility model realizes accurate clamping to steel strand, improve the friction with steel strand, avoid the cable threading slip, can improve the reliability of steel strand compression, also can be used for cable threading different specifications whole bundle steel strand, improve the applicability of cable threading machine.

This invention discloses a forest understory fungal and medicinal herb symbiotic irrigation device, belonging to the field of planting irrigation technology. Both sides of the first and second liquid storage tanks are equipped with outlet pipes, each with a distribution pipeline system. This distribution pipeline system connects to two sets of spray irrigation systems, enabling communication between the first and second liquid storage tanks and the two sets of spray irrigation systems for spraying different irrigation agents onto forest understory fungal and medicinal herbs. A mobile support system provides flexible movement and a stable load-bearing foundation. The liquid storage and distribution pipeline systems enable the storage, precise delivery, and flow control of different agents. The spray irrigation system achieves efficient irrigation through adjustable angles, uniform spraying, and range expansion. The synergy of these three systems allows the device to move flexibly in complex forest terrain, precisely adapting to different heights of fungal and medicinal herb planting areas, achieving multi-agent, multi-range, and highly efficient spray irrigation, thus improving the adaptability, accuracy, and operational efficiency of forest understory fungal and medicinal herb irrigation.

The utility model relates to the field of building construction, in particular to an outer wall perforating device for constructional engineering, which comprises a base, supporting plates are fixedly arranged at two ends of the top of the base, lifting components are fixedly mounted in the supporting plates, transverse plates are rotatably arranged on the lifting components, and rotating shafts are fixedly arranged on the inner sides of the transverse plates. A telescopic assembly is rotationally arranged on the transverse plate through a rotating shaft, a fixing plate is arranged at the top of the telescopic assembly in a sliding mode, an angle adjusting assembly for adjusting the angle of the telescopic assembly is arranged between the telescopic assembly and the transverse plate and close to the front end, and a plurality of universal wheels are fixedly installed at the bottom of the base. The punching angle of the electric drill is conveniently adjusted through the angle adjusting assembly, the practicability of the device is improved, the device is conveniently moved through universal wheels, the moving convenience of the device is improved, the punching height can be adjusted through the lifting assembly according to the punching requirement, and manual hand holding of professional punching equipment such as the electric drill is not needed for punching.

The utility model discloses a tunnel spraying maintenance trolley which is characterized in that two door-shaped frames are connected through a left connecting rod and a right connecting rod, a bottom frame is arranged at the bottoms of the door-shaped frames, and the top of the bottom frame and the bottoms of the door-shaped frames are connected in an inserted mode through a row of installation holes which are vertically arranged at intervals to achieve height-adjustable installation; a water tank is installed on the bottom frame, a conveying pump is installed on the top of the water tank, vertical rods are installed on the top of the door-shaped frame in a bilateral symmetry mode through bolts, so that L-shaped frames are formed on the left side and the right side of the door-shaped frame respectively, an arc-shaped frame is connected to each L-shaped frame in an inserted mode, the inserted connection positions are connected through bolts, and sprayers are evenly installed at the front ends of the arc-shaped frames in a fan shape. The nozzles are connected with first conveying water pipes. The overall height of the two door-shaped frames can be adjusted, the overall moving convenience of the spraying maintenance trolley is improved, the tunnel spraying maintenance effect is improved, vertical rods on the tops of the door-shaped frames and the arc-shaped frames are detachable, then the overall size of the spraying maintenance trolley can be further reduced, and the overall moving convenience of the device is improved.

The invention discloses a building engineering construction dust removal device and a building engineering construction dust removal method, belongs to the technical field of medical auxiliary instruments, and discloses a building engineering construction dust removal device and a building engineering construction dust removal method. The device main body comprises a water tank main body, a water injection port, a water discharge port, a dust removal water pump, a connecting hose, a spray pipe frame, an atomization spray head and a switching mechanism arranged on the outer wall of the device main body, and the water tank main body is fixedly connected to the outer wall of the device main body; according to the device, the effect of receiving and recycling rainwater is achieved, a protection plate can be opened, the rainwater falls into a water receiving tank, when the rainwater enters the water receiving tank, multiple filtering operation is conducted through a first filtering net, an activated carbon adsorption net and a second filtering net, and the effect of conveniently filtering, collecting and using the rainwater is achieved; the effect of improving the water resource utilization rate of the dust removal device is achieved.