83results about How to "Improve practical performance" patented technology

The invention relates to a pest prevention planting tank which comprises a tank body, supporting rods, transverse rods, connecting rods and an alternating-current frequency vibrating type pest killing lamp, and coiling assemblies and pest sticking plates are arranged on the transverse rods. The connecting rods are provided with spraying assemblies, infrared ray sensors, draught fans and optical grating plates. The supporting rods are further provided with second nozzles. The pest prevention planting tank has the advantages that the infrared ray sensors control the spraying assemblies to work and control the spraying angles of the spraying assemblies through the draught fans, erosion on plants by pests is effectively avoided, growth of the plants is facilitated, pests are effectively fixed through the pest sticking plates arranged on the transverse rods, the pests are prevented from falling into the planting tank, pests outside the planting tank are effectively prevented from entering the planting tank through the alternating-current frequency vibrating type pest killing lamp, solar energy can be effectively collected through the optical grating plates, and photosynthesis can be easily conducted on the plants.

The invention discloses a novel protective fence for building operation. The novel protective fence for the building operation includes a second support seat and a threaded rod, wherein a damping device is arranged at the bottom end of the support seat, and a first support rod is fixedly installed at the top end of the second support seat. A first telescopic rod is installed in the first support rod in an embedded mode, a first protective plate is arranged on the front side of a fixed rod, and a second protective plate is arranged on the rear side of the fixed rod. The novel protective fence for the building operation can facilitate users to adjust the protective area of the protective fence according to the actual requirement by arranging the thread rod and the first telescopic rod. The damping device arranged can enable a roller to have the damping effect in the moving process, so that the noise problem generated by the protective fence in the moving process is avoided. The first protective plate and the second protective plate can increase the overall stability of the protective fence to solve the problem that the deformation and damage of components of the protective fence caused by impact of external force, so that the damaging probability of the protective fence is reduced.

The invention discloses a pesticide spraying device for tea leave planting. The device comprises a fixing clamping rack, a material storage tank and a pesticide spraying device body, the material storage tank is fixedly limited onto the pesticide spraying device body, and a supporting rack is welded to the end, close to the material storage tank, of the upper end surface of the pesticide sprayingdevice body; a motor is fixedly limited onto the end surface of the supporting rack, a hand-supporting push rod is welded to the outer end, close to the supporting rack, of the pesticide spaying device body, and mobile wheels are arranged at four corners of the bottom of the pesticide spraying device body in a rolling mode; the fixing clamping rack is arranged on the bottom side of the back end ofthe pesticide spraying device body, sliding grooves which are distributed at equal intervals are formed in an inner cavity of the fixing clamping rack, and fixing racks are inserted in the middles ofthe sliding grooves; rotation shafts are rotatably connected to the portions, located at the upper ends of the fixing racks, of the fixing clamping rack, the rotation shafts and the fixing racks areparallelly arranged, fixed clamping teeth are welded to the inner side ends of the rotation shafts, and a feeding inlet is formed in the upper end of the material storage tank. The pesticide sprayingdevice for tea leave planting can achieve pesticide spraying and seedling protection work.

The invention discloses a lignin purification method. An adopted device comprises a bearing barrel, a door plate is arranged at the top of the bearing barrel, a main shaft rotationally penetrates through the middle of the lower surface of the door plate in a sleeving mode, a plurality of stirring rods are symmetrically and fixedly connected to the bottom of the outer wall of the main shaft at equal intervals, and a bearing frame slidably sleeves an inner cavity of the bearing barrel; a filter screen is fixedly sleeved with an inner cavity of the bearing frame, a discharging hole is formed in the front face of the bearing barrel, a sealing plate is arranged on the front face of the bearing barrel, a sealing block is fixedly connected to the back face of the sealing plate, the outer wall ofthe sealing block is slidably sleeved with an inner cavity of the discharging hole, and sealing leather cushions are fixedly connected to the outer wall of the sealing block and the back face of the sealing plate. By means of the arrangement mode of the bearing barrel, the discharging holes are formed in the front face of the bearing barrel, so that the sealing plate is detached, impurities filtered on the filter screen can be removed, the production efficiency of the filter screen is improved, damage caused by frequent detaching of the filter screen can be reduced, and the practical performance of the filter screen is improved.

The invention discloses an automatic intelligent sorting device based on e-commerce. The device comprises a sorting device body and a scanning device located in the sorting device body, wherein an adjustment rod is arranged on the top of the sorting device body in a sliding mode; the bottom end of the adjustment rod extends into the sorting device body and is fixedly provided with a mounting plate; the bottom of the mounting plate is provided with a moving slot; one end of a rotating rod is rotatably arranged on the inner wall of one side of the moving groove; the other end of the rotating rodextends to the outside of the mounting plate and is fixedly provided with a rotating disc; a clamping seat is slidably arranged in the moving slot; the rotating rod is sleeved with the clamping seatin a thread mode; the scanning device is fixedly arranged on the bottom of the clamping seat and is located below the mounting plate; and a first limiting slot is formed in the inner wall of the top of the moving slot. The device has high practical performance, simple structure and convenient operation, the adjustment of the scanning device in the horizontal and vertical directions is convenient,and the device is convenient to use.

The invention discloses positioning grooving equipment for plastic boards, and belongs to the field of plastic component processing equipment. The positioning grooving equipment comprises a base plate, a positioning device, a lifting device, a grooving device and a recycling device, the positioning device comprises a bearing assembly, two clamping assemblies and a driving assembly, the driving assembly is arranged inside the bearing assembly, the two clamping assemblies are symmetrically arranged on the bearing assembly, the front ends of the two clamping assemblies extend to the part above the lifting device, the lifting device comprises a bearing assembly, a lifting assembly and a linking assembly, the linking assembly is installed at the top of the base plate, the top end of the linkingassembly is in drive connection with the bearing assembly, the lifting assembly is located under the bearing assembly, and the grooving device comprises a groove cutting assembly and a moving assembly. The positioning device and the grooving device are matched to realize grooving in two faces of the plastic boards and grooving in different positions, demand for grooving machining of plastic boards with different sizes can be met, and accordingly overall practicability is improved.

The invention provides a medical pipeline cleaning and sterilizing machine and a medical pipeline cleaning and sterilizing method. The medical pipeline cleaning and sterilizing machine comprises a transparent barrel, wherein an ash removal and sterilization mechanism is arranged on the left side of the transparent barrel. Through the cooperation of the transparent barrel and the ash removal and sterilization mechanism, when a pipeline in medical equipment needs to be cleaned, a control switch is in a closed state to electrify a motor, so that the transparent barrel and a hair brush can rotate;a cylinder and the transparent barrel are inserted into the medical pipeline needing to be cleaned while a handle is grasped, and move forward at a constant speed; the hair brush can rotate with thetransparent barrel to clean the inner wall of the medical pipeline; meanwhile an ultraviolet light sterilization lamp is electrified, and can sterilize the inner wall of the medical pipeline; in the process, an operator does not need to manually rotate the hair brush, the required physical energy consumption is relatively low, and meanwhile the sterilization operation can be performed; and the practical performance is significantly improved.

The invention discloses a heavy metal trapping agent for sewage treatment and a preparation method thereof. The heavy metal trapping agent for sewage treatment comprises, by weight, sodium lignin sulfonate, sodium tripolyphosphate, dichloroethane, soyabean protein, potassium hydroxide, urea, carbon disulfide, a cross-linking agent, montmorillonite, a surface active agent and ethidene diamine. The cross-linking agent is a compound of one, two or more of epoxy chloropropane, epoxy chlorobutane, glyoxal, malondialdehyde, glutaraldehyde, adipaldehyde and phthalic aldehyde. According to the heavy metal trapping agent for sewage treatment, the dual functions of trapping and flocculating can be similarly brought into play on low-concentration heavy metal sewage ion, practical performance of products is greatly promoted, the tripping capacity is high, the treatment effect of heavy metal with various forms is good, secondary pollution is avoided, and cost is low. The technique is simple, the sedimentation velocity is large, and stability is good.

The invention belongs to the technical field of robots, and relates to an execution joint integrated structure for exoskeleton robot joints. The structure comprises a motor, wherein the motor is provided with a rotating shaft and a motor shell, and the motor shell is provided with a motor front end cover and a motor rear end cover connected with one end of the motor front end cover; a brake, wherein the brake is provided with a brake disc and a friction member, the brake disc is connected to the rotating shaft in a sleeving manner, and the friction member is arranged at the other end of the motor front end cover and used for braking the brake disc; a harmonic speed reducer, wherein the harmonic speed reducer is arranged on the rotating shaft and provided with a steel wheel, the steel wheelis provided with a fixing portion and an output portion rotationally arranged on the radial outer side of the fixing portion, the fixing portion is connected with the other end of the motor front endcover, and the harmonic speed reducer and the friction member are further arranged on the two sides of the brake disc separately; and an output end cover, wherein the output end cover is connected with the output portion and further connected with the exoskeleton robot joints. The rotating shaft is rotationally arranged in an outer shell formed by the motor shell, the steel wheel and the output end cover. By means of the scheme, the compactness of the structure is improved, and the size is reduced.

The invention discloses a power automatic pole-climbing wire feeding device, which structurally comprises a main power case, a pole-climbing clamp, a storage battery, a fixed block, a telescopic fixing pipe, a first telescopic pipe, a second telescopic pipe, a telescopic pole, a connection block, a wire clamping frame and a lifting wire feeding mechanism, wherein the pole-climbing clamp is arranged at the rear part of the main power case; the pole-climbing clamp is movably connected with the main power case through a hinge; the storage battery is embedded into the left side part of the main power case and fixedly connected with the main power case; and the fixed block is arranged in the front of the main power case and fixedly connected with the main power case through electric welding. The power automatic pole-climbing wire feeding device has the beneficial effects that the wire feeding height range of the pole-climbing wire feeding device is expanded through arranging the lifting wire feeding mechanism, the defect that a wire cannot be fed to the top end of a relatively high pole in a traditional device is improved, construction of electric power engineering is facilitated, the practical performance of power automatic pole-climbing wire feeding is effectively strengthened and the efficiency of electric power construction is improved.

The invention relates to a multifunctional table lamp, which comprises a lamp holder, a lamp body, a power supply device, an electronic clock, a computer and a mosquito dispeller, wherein the lamp body and the power supply device are movably connected with the lamp holder, the electronic clock, the computer and the mosquito dispeller are respectively connected with the lamp holder, the power supply device comprises a solar cell panel and at least one electric energy collector, the solar cell panel is fixedly connected with the lamp holder, and the electric energy collector is connected with the solar cell panel, and is respectively connected with the electronic clock, the computer and the mosquito dispeller. The table lamp has the advantages that the electronic clock, the computer and the mosquito dispeller are respectively supplied with power by the electric energy collector, so the practicality is improved; the electric energy collector is supplied with power by the solar cell panel, so the continuity of power supply is ensured, the reliability is high, the phenomenon of unable use due to instable voltage or power failure is avoided, and the use effect is good.

The invention discloses a cleaning robot, the structure of which comprises a robot main body, an opening cover, an active cleaning brush, an access hole, a power button, a control button, a UV germicidal lamp, a roller, and a rotating brush, and the opening cover is movably connected to the upper end of the robot main body On the surface, the active cleaning brush is movably connected to the lower surface of the robot body, the access hole is embedded in the front surface of the robot body, the power button is connected to the upper surface of the robot body through a keyway, and the control button is electrically connected to the upper surface of the robot body. The germicidal lamp is embedded in the lower surface of the main body of the robot. The UV germicidal lamp is composed of a lamp holder, a metal connecting piece, a transparent shell, and a filament. Microorganisms and the like cannot be cleaned up, which ensures the working effect of the equipment and effectively improves the practical performance of the equipment.

The invention discloses a chemical waste gas treatment system which comprises a spray kettle, wherein one side of the spray kettle is provided with one end of a circulating pipeline, and the other endof the circulating pipeline extends into the spray kettle and is fixedly provided with a three-way valve; one end of a hose is fixedly mounted at each of three water outlets of the three-way valve; awater pump is arranged on the circulating pipeline; one first plate is fixedly mounted on the inner walls of two sides of the spray kettle; a first spray head is rotationally mounted on each of two sides of the spray kettle; the other ends of two of the three hoses are fixedly connected with the corresponding first spray heads; the close sides of the two spray heads are hinged with one end of anadjustment rod; a first hole is formed in the first plate; a rotating rod seat is rotationally mounted in the first hole; the rotating rod seat is in threaded connection with a rotating rod. The chemical waste gas treatment system is high in practicability, simple in structure and convenient to operate and is favorable for adjustment and fixing of the first spray heads and the second spray heads,and use of people is facilitated.

The invention provides a sliding plate for automobile maintenance. The sliding plate comprises a left plate body, a protective cover, an illuminating lamp, an air tank, an air pipe, a hydraulic cylinder, a protective pad and a searchlight; the protective cover is installed on the left side of the upper end surface of the left plate body, the illuminating lamp is installed on the left side of the upper end surface of the protective cover, the air tank is installed on the front side inside the left plate body, the air pipe is connected to the right side of the air tank, the hydraulic cylinder isconnected between the left plate body and the right plate body, the protective pad is installed on the upper end surface of the left plate body, and the searchlight is installed on the rear end surface of the left plate body. Through the design, the problem that an original sliding plate for the automobile maintenance has insufficient protection on the head and the face of maintenance personnel is solved, and the sliding plate for the automobile maintenance is reasonable in structure, good in illuminating effect, good in cleaning effect and diversified in function.

The invention discloses a transformer oil fire extinguishing agent which comprises the following components in percentage by weight: 0.1%-2% of carboxylate alkali metal AEO, 1%-2% of a fire retardant, 0.2%-1% of 2-quinoxaline carboxylate alkali metal, 2%-4% of an antifreeze agent and the balance of water. In the transformer oil fire extinguishing agent, carboxylate alkali metal AEO serves as an emulsifying agent to emulsify transformer oil so as to rapidly form a stable sol system, so that transformer oil drops are separated to rapidly stop combustion and prevent after-combustion; and 2-quinoxaline carboxylate alkali metal serves as a corrosion inhibitor to form a film on the surface of metal in a self-assembly manner so as to play the role in prevent equipment corrosion or relieving the equipment corrosion degree. The transformer oil fire extinguishing agent is high in fire extinguishing speed and efficiency, safe and reliable to use, nontoxic and harmless, has high extinguishing capacity for transformer oil fire and is particularly suitable for extinguishing transformer oil fire of a transformer substation.

The invention discloses a petroleum machinery mounting drilling tool and a mounting method thereof. The petroleum machinery mounting drilling tool comprises a drill rod, wherein an inserting groove isformed in the upper portion of the drill rod, a drilling machine head is movably connected into the inserting groove in an inserted mode, and a movable groove is formed inside the drilling machine head. The invention relates to the technical field of petroleum drilling tools. According to the petroleum machinery mounting drilling tool and the mounting method thereof, the output end of a hydraulicrod moves downwards to push a push rod to press downwards, and then T-shaped clamping heads are pressed to overturn, so that a drill bit and the drill rod are fixed, and the drill bit is convenient to mount and dismount; the output end of the hydraulic rod moves downwards to drive the pressing block to move downwards, so that clamping blocks are connected to clamping grooves in a clamped mode, then the drilling machine head and the drill rod are fixed, the drill rod mounting convenience is improved, and the equipment mounting process is improved; and the stability of a fixing structure between the drill rod and the drill bit is controlled through the hydraulic rod, so that the use safety performance of drilling tool equipment is improved, and the problems that in the using process of partof existing petroleum drilling tools, a drill bit and a drill rod are complex to mount and dismount, and the stability of a locking structure is poor are solved.

The invention discloses an Internet-of-Things floor spring capable of automatically controlling opening and closing of a door. The Internet-of-Things floor spring comprises a shell, a motor, a batteryand a circuit board are fixedly installed on the inner wall of the bottom of the shell, a first gear is fixedly installed at the end of the output shaft of the motor, a first bearing block is fixedlyinstalled on the inner wall of the bottom of the shell, a worm rod is installed in the first bearing block in a rotating mode, the two ends of the worm rod extend out of the first bearing block, a second gear is fixedly installed at one end of the worm rod and is engaged with the first gear, a worm wheel is installed in the shell in a rotating mode, the worm rod is located between the worm wheeland the motor, the worm rod is engaged with the worm wheel, and a door shaft installation position is fixedly installed at the top of the worm wheel. The Internet-of-Things floor spring is reasonablein design, good in practicability, high in automatic and intelligent degree, high in safety performance, safe and reliable in use and capable of achieving automatic opening and closing of the door; besides, detection of a fault and maintenance can are convenient, the door can also be opened and closed manually as necessary, the application range is wide, and the Internet-of-Things floor spring issuitable for application and popularization.

The invention discloses a platform architecture based on computer big data. The platform architecture comprises a data acquisition module, a Data calculation module, a Data storage module, a Data extraction and analysis module, and a Data service module; the data acquisition module comprises a mounting seat and a data acquisition unit positioned above the mounting seat; a buffer groove is formed in the top of the mounting base; a buffer plate is arranged in the buffer groove; the data collector is arranged on the buffer plate; Fixing plates are fixedly installed on the two sides of the data collector, two clamping grooves are formed in each fixing plate, two connecting bases are fixedly installed on the top of the buffer plate, threaded rods are arranged on the connecting bases, rotating discs are arranged on the threaded rods, moving blocks are arranged on the threaded rods, the moving blocks are provided with one ends of the connecting rods, and pressing plates are arranged at the other ends of the connecting rods. The platform architecture is high in practical performance, simple in structure and convenient to operate, the data acquisition device can be conveniently installed and fixed, and buffer protection can be conveniently conducted on the data acquisition device.

The invention provides a waterproof electric push rod comprising a base, a conduit, an electric motor, a storage battery, a double-pole double-throw switch, a push rod and a dynamic seal ring. The conduit is installed at the upper side inside the base; the motor is installed at the lower side inside a motor box; the storage battery is installed at the upper side inside the motor box; the double-pole double-throw switch is arranged at the front side of the annular side of the motor box; the push rod is installed inside the conduit; and the dynamic seal ring is installed at the upper side insidethe conduit. Therefore, problems of unstable transmission and poor reciprocating effect controlling of the original waterproof electric push rod are solved. The waterproof electric push rod has advantages of reasonable structure, good waterproof sealing performance, good transmission effect and stable working performance.

The invention discloses a photocatalyst purification guard type odor removal machine, belongs to the technical field of photocatalysts, and designs a photocatalyst odor removal machine used in publicplaces. According to the odor removal machine, a photocatalyst solution and an air compressor are integrated in a movable electric control cabinet, after the machine is started, high-pressure airflowand water flow impact each other to generate air mist, the atomized photocatalyst solution is sprayed out from spray heads through pipelines, due to the fact that the photocatalyst serves as a mediumto participate in purification, the photocatalyst is not consumed, as long as ultraviolet rays exist for irradiation, pollutants can be continuously decomposed, sunlight and a fluorescent lamp both contain the ultraviolet rays, the more sufficient the light is, the better the purification effect is, after being irradiated by a spotlight, fog drops dispersed in the air can accelerate oxidation of bacteria and impurities floating in the air, and therefore the effect of sterilization and disinfection can be achieved.

The invention provides a high-efficiency steel pipe welding device. The device comprises a bedplate, a roller, a triangular support, a motor, a pressing rod, a first arc-shaped pressing plate, a welding gun, a telescoping rod, an L-shaped support and a wire feeding box, wherein the triangular support is mounted on the upper end surface of a bottom plate; the roller is mounted at the left side of the triangular support; the motor is fixed to the left side of the roller through a mounting platform; the pressing rod is mounted on the lower end surface of the bedplate; the first arc-shaped pressing plate is fixed to the lower end surface of the pressing rod; the L-shaped support is mounted at the right side of the upper end surface of the bedplate; the telescoping rod is fixed to the right side of the lower end surface of the L-shaped support; and the welding gun is mounted on the lower end surface of the telescoping rod. According to the device adopting the abovementioned design, the steel pipe welding efficiency is improved. The device is reasonable in structure, high in welding efficiency, convenient to operate, and stable in performance.

The present application provides a Selfie auxiliary device, which is connected to an electronic device having a first surface and a second surface oppositely arranged, wherein a display screen is provided, and a camera lens is provided on the second surface, and the Selfie auxiliary device includes an adjustment component and a mirror surface The imaging assembly, the adjusting assembly is respectively connected to the electronic device and the imaging assembly, by adjusting the adjusting assembly, the imaging assembly is positioned on one side of the first surface of the electronic device, so that the output picture of the display screen is mirrored, thereby When taking a selfie through the camera lens arranged on the second surface of the electronic device, the user can confirm the shooting content of the camera lens through the image display screen on the mirror surface. In this way, the user can obtain high-quality shooting content by using the rear camera of the electronic device, and at the same time provide the user with real-time observation of the shooting content, which improves the user experience.

The invention discloses a lighting device capable of being temporarily built for municipal engineering, and the lighting device comprises a base and a shell, wherein a first placing chamber and a second placing chamber are arranged in the shell, and material supporting frames are fixedly installed at the bottom of the first placing chamber through a bolt structure; a second supporting main rod anda second supporting auxiliary rod are arranged between the material supporting frames, four sets of wire collecting frames are fixedly installed on the front face in the second placing chamber through screw structures, winding rods are installed in the wire collecting frames in a rotating shaft sleeve mode, connecting wires are wound around the winding rods, and a placing groove is formed in thebottom of the second placing chamber; a placing disc is placed in the placing groove, and a second mounting cover body is placed in the placing disc. By means of the wire collecting frames and the connecting wires, the device can better assist workers in conducting wire drawing and wiring operation on temporarily-built lighting devices, and the device can be rapidly transferred according to actualoperation requirements through the walking wheels.

The invention discloses an environment-friendly type adhesive for coating printing and dyeing as well as a preparation method and application thereof. The adhesive is prepared from the following components through reacting: a soft monomer, a hard monomer, a cross-linking monomer, a comonomer, an emulsifier, an initiator and a formaldehyde catching agent. A preparation process comprises the following steps: adding xanthan gum and 1 / 3 of soft water in sequence and stirring for dissolving; then adding selenious acid; dropwise adding 4-(2-ethylamino)benzene-1,2-diphenol; carrying out thermal insulation reaction; regulating the pH (Potential of Hydrogen) to be neutral; then adding 2 / 3 of soft water and 1 / 2 of the emulsifier and dissolving; then dropwise adding mixed liquid of the soft monomer,the hard monomer, the cross-linking monomer, 1 / 2 of the initiator and 1 / 2 of the emulsifier; carrying out thermal insulation reaction and rapidly raising the temperature; rapidly adding the comonomerand 1 / 2 of the initiator and stirring; then adding the formaldehyde catching agent; rapidly cooling and regulating the pH; cooling and carrying out thermal insulation reaction; naturally cooling, andfiltering and discharging to obtain the environment-friendly type adhesive. When the adhesive disclosed by the invention is used for carrying out coating printing, no formaldehyde is released and environmental protection is realized.

The invention discloses a plastic pipe cooling device. The plastic pipe cooling device structurally comprises a base, a vacuum cooling sizing water tank, a recovery disc, a pressure gage, a control cabinet, a water temperature monitoring meter, a supporting frame, a distribution box and motors. An anti-sliding base is fixedly welded to the surface of the lower end of the base. The vacuum cooling sizing water tank is fixedly welded to the surface of the upper end of the base. A precooling chamber feeding inlet is embedded into the surface of the right end of the vacuum cooling sizing water tank. The control cabinet is fixedly welded to the right portion of the surface of the front end of the vacuum cooling sizing water tank. The water temperature monitoring meter is electrically connected to the right portion of the surface of the front end of the control cabinet. According to the plastic pipe cooling device provided by the invention, during pipe sizing and cooling, the temperature in the vacuum cooling sizing water tank can be inducted and monitored in real time, accordingly a user can regulate the temperature of spray water in the water tank in time, accordingly the pipe cooling sizing effect and quality are guaranteed, and the practicability of the equipment is effectively improved.

The invention belongs to the technical field of transportation facility equipment, and particularly relates to a multi-layer combined type anti-extrusion and fresh-keeping peach transportation box and a using method. A box cover is fixedly connected to the upper surface of a paper box, a box lock is fixedly connected to the surface of the box cover, an installation piece is fixedly connected into the box lock, and a through hole is formed in the surface of the installation piece; and a brake box is fixedly connected to the upper surface of the installation piece, a supporting rod is fixedly connected into the brake box, a pushing rod is fixedly connected to the tail end of the supporting rod, a sliding groove is movably connected to the tail end of the pushing rod, and the sliding groove is formed in the upper end of clamping pincers. According to the invention, the pushing rod is pushed upwards through an inserting rod, the pushing rod drives the clamping pincers to be closed, then the inserting rod inserted into an inserting hole is clamped through a clamp, and therefore the effects that the box cover of the paper box is better sealed, a traditional adhesive tape pasting and sealing mode is replaced, and articles in the paper box are better protected are achieved.

The invention relates to tablecloth paper containing a detergent. The tablecloth paper comprises a tablecloth body, the tablecloth body comprises a first base layer, a cleaning layer and a second baselayer, wherein the cleaning layer is bonded between the first base layer and the second base layer; a plastic protective film is bonded to the bottom end of the second base layer; the cleaning layeris filled with a cleaning agent; and the cleaning agent is formed by mixing and stirring 70-85% of a cleaning liquid, 8-15% of xylitol and 5-10% of moisturizing factors. The tablecloth paper has the advantages that the tablecloth paper not only has the function of tablecloth, but also can clean a tabletop after being used, and the practical performance of the tablecloth paper is improved.

A storage device used for engineering costs is disclosed. The device includes a box body, a box cover, fold connecting racks, a first storage tray, first connecting racks, a second storage tray, second connecting racks, separating baffle plates and a handle. The upper surface of the box body is movably connected to the box cover. The inside surface of the box cover is movably connected to the fold connecting racks through screws. The first storage tray is movably connected to the inside surfaces of the fold connecting racks. The first connecting rack is movably connected to the right end surface of the first storage tray through a screw. The second storage tray is movably connected to the inside surfaced of the first connecting racks. The limited storage box body is divided into a plurality of the storage trays, thus achieving multi-stage and ordered classification and arrangement of tools, avoiding an insufficient storage capacity and a disorder phenomenon in storage and classification and effectively improving practical performance of the device.