122results about How to "Reduce the difficulty of handling" patented technology

The invention discloses an alga control method for a freshwater environment based on cultivation of barracudas and mullets, relating to a water treatment method. Aiming at solving the problem that algae can not be stably and thoroughly controlled in a eutrophic fresh water body, the method comprises the following steps: at least introducing one species of estuarine / marine fishes, such as barracudas and mullets which can only be propagated in sea water, and carrying out desalination processing before cultivation to enable the barracudas and the mullets to be adapted to a freshwater living environment, wherein the mesh size in the large water body ensures whether the cultivated fishes can escape; dividing or mixing according to different ages, carrying out culture in enclosure in girds by meshes, and simultaneously cultivating and propagating silver carps, bighead carps, other local fishes and local shellfish; and propagating local common aquatic plants. Thus, the fishes can be fed on the algae in a filter-feeding mode and simultaneously swallow detritus substances, thereby achieving the purpose of thoroughly purifying the water environment. By harvesting the cultivated and propagated aquatic organisms to remove nitrogen / phosphorus nutrients in water and humus in bed material from the water body, the method disclosed by the invention greatly improves the water quality of the cultivation water body.

The invention discloses a centralized box for centralized placement of large-size articles and small-size articles for logistics. The centralized box comprises a centralized box body, a layered assembly is arranged in the centralized box body, and partition plates are arranged on one side of the layered assembly. The centralized box is scientific and reasonable in structure, and safe and convenient to use; the layered assembly is arranged, through the effects of a sliding rod supporting block, a sliding rod and a layering plate, the interior of the centralized box can be conveniently layered,the space pattern inside the centralized box can be changed according to actual requirements, the articles with different sizes can be placed, so that the orderliness of article placement is improved;through the effects of springs, fixing clamps, movable shafts and the anti-skid inner cushions, the layering plate can be conveniently arranged and disassembled; and the partition plates are arranged, through the effects of elastic clamping ball, connecting rods and connecting through holes, the partition plates with different sizes can be conveniently arranged on one side of the layering plate according to requirements to isolate the articles stored in the centralized box, so that collision between different objects in the moving process is avoided, and the safety of the articles is improved.

The invention provides an automatic steel belt automatic bundle strapping machine, and belongs to the field of steel bundling. The machine comprises an objective table used for placing objects to be bundled, and further comprises forming mechanisms, the two forming mechanisms are symmetrically arranged on the two sides of the objective table, each forming mechanism comprises a first bending deviceand at least one second bending device, the first bending device is arranged between the objective table and the second bending device, the first bending device for pressing and covering a packagingbelt on the objects to be bundled is arranged on the outer side of the objective table, at least one second bending device is arranged on the outer side of the first bending device, the second bendingdevice and the first bending device are distributed along a first path, the second bending device is used for bending the side of the packaging belt according to the stacking shape of the objects tobe bundled, and the first bending device and the second bending device are close to or away from the objective table along the first path. The automatic steel belt automatic bundle strapping machine solves the problem that in the prior art, a thick steel belt bundle strapping machine only can carry out bundling according to the single stacking-shaped objects to be bundled.

The invention discloses a hand-push movable photographic car which comprises a carrying plate, wheels and chassis, wherein the chassis are arranged below the carrying plate in parallel; the wheels comprise two groups of front wheels and two groups of rear wheels, which are respectively connected on the chassis through extending arms; the rotating shafts of the wheels are vertically equipped with connecting shafts for the wheels in an upward direction; the connecting shafts for the wheels are rotatablely connected on the ends of the corresponding extending arms; and the other ends of the extending arms are pivoted with the chassis through pivots which are vertically arranged. When in use, the hand-push movable photographic car is not limited by a guide rail, thus obtaining broader movable shooting range; when a shooting location is broader, the four extending arms can be stretched to load a small-sized rocker arm for shooting, thus enabling the wheels to support a car body more stably and obtaining broader shooting range; and while shooting in narrow sites such as an alley and the like, the four extending arms can be drawn back towards the middle part so as to adapt to various shooting locations, thus having the advantage of wide application scope.

A collapsible, disposable food container for containing a food product. The food container includes a main body portion being selectively positionable between a collapsed and stowed configuration and an expanded and operable configuration, and a bottom portion extending from the main body portion. In some embodiments, a separable strip is provided and formed in at least one of the front panel, the back panel, and the one or more side panels. The separable strip is removable, in some embodiments, to bifurcate the associated panel to permit the main body portion and the bottom portion to be laid substantially flat without removal of the food product.

The invention relates to a disposal system of municipal dewatering sludge, and belongs to the technical field of environmental engineering. The disposal system comprises a high-temperature and high-pressure reactor, a sludge cooling device, a magnetic powder hopper, a stirrer, a magnetizer, an anaerobic digestion cavity, a magnetic powder separation device, a feeding hopper, a metal magnetic separation device, a dewatering device, an afterheat drying device and a mud cake collecting device. The anaerobic digestion efficiency of the sludge can be improved by the sludge preprocessed by the high-temperature and high-pressure magnetic powder and the magnetizer; heavy metal in the sludge can be effectively extracted by the metal magnetic separation device; the late sludge disposal difficulty is reduced; the magnetic powder added in the sludge can be effectively separated by the magnetic powder separation device, so that the magnetic powder can be recycled, and the cost is saved. The afterheat drying device fully utilizes the afterheat of the sludge preprocessed by the high-temperature and high-pressure reactor, so that the energy is greatly saved; system parameters are set on a computer, and the data is processed by computer program, so that the efficiency of the system is greatly improved.

The invention discloses a waterproof power cabinet which comprises an electric cabinet device and a moving device. An antiskid plate is fixedly arranged on the lower side of the cabinet body. A top cover is arranged on the upper side of the cabinet body. The top cover comprises a top cover top plate and a top cover bottom plate. The top cover top plate and the top cover bottom plate are fixedly connected. A gear and a rack are meshed. A water level sensor is arranged at the bottom of a mounting frame. Two pairs of rollers are arranged on the lower outer walls of left and right sides of the cabinet body. The rollers and plate bodies are connected. Mounting plates are arranged on middle side walls of left and right sides of the cabinet body. The lower side of each mounting plate is connectedwith a spring. The bottom end of each spring is connected with a plate body. A hook is arranged on the right side wall of each plate body. According to the invention, the double-layered top cover isused; a certain tilt angle is between each heat sink and the top cover, so that the heat dissipation effect is good; and the waterproof power cabinet can automatically adjust the height of the mounting frame according to the water level to ensure that a terminal device is not damaged, can effectively cope with the overflow of rain, and has the advantages of easy fixing and movement and high applicability.

The invention discloses a noninvasive blood vessel blocking clamp capable of being bent freely. The noninvasive blood vessel blocking clamp comprises a handle and a jaw controlled by the handle to act; the noninvasive blood vessel blocking clamp is structurally characterized in that the handle comprises a fixed handle body and a movable handle body, the jaw comprises a movable clamp body and a fixed clamp body, metal tubes are connected between the fixed handle body and the fixed clamp body, and flexible transmission parts are connected between the movable handle body and the movable clamp body. A guide casing pipe is fixedly connected with the fixed handle body, and one end of the flexible transmission part extends into the guide casing pipe and fixedly connected with a union joint which is coupled to the end of the movable handle body; the other end of the flexible transmission part is fixedly connected with a guiding union joint located in the fixed clamp body, the guiding union joint is further connected with the movable clamp body through a transmission connecting piece, and the two ends of the transmission connecting piece are connected with the guiding union joint and a movable clamp body shaft respectively. The noninvasive blood vessel blocking clamp can be changed into various shapes adapted to the surgery environments according to actual requirements and can further achieve smoothness of control moment transmission, linear continuity of clamping motion of the jaw is guaranteed, and difficulty of surgery conducted by a surgeon is lowered.

The invention discloses a quick-mounting table frame and a table, and belongs to the technical field of tables. The quick-mounting table frame with a quick assembly structure comprises a support assembly and a stand column assembly used for supporting the support assembly, the support assembly comprises a cross beam and longitudinal beams arranged at the two ends of the cross beam, and the stand column assembly comprises a stand column body and a bottom box located at the end of the stand column body. A rotary connecting structure and an elastic inserting structure which are arranged at intervals are arranged between the bottom box and the cross beam, the elastic inserting structure comprises an elastic inserting part and a bearing part which are arranged in a matched mode, and a handle for pulling the elastic inserting part to be separated from the bearing part is arranged on the elastic inserting part. The bottom box and the cross beam are pushed to rotate relatively to enable the elastic inserting part to be elastically inserted into the bearing part to achieve rapid locking of the bottom box and the cross beam, the handle pulls the elastic inserting part to be separated from the bearing part to achieve rapid unlocking of the bottom box and the cross beam, rapid assembly and disassembly of the cross beam and the bottom box are achieved at the same time through one structure, assembly and disassembly difficulty is reduced, assembly and disassembly efficiency is improved, the cost is saved, abrasion of parts is reduced, and stability after assembly is improved.

The invention discloses an auxiliary CT tube mounting structure which is characterized in that a fixed mounting plate is bolted on the upper surface of a fixed tray; a CT tube clamping positioning component and a controller arranged on the upper surface of the fixed mounting plate; the CT tube clamping positioning component comprises a left side positioning plate, a rear side positioning plate and a front side positioning plate; a left side rubber cushion is mounted on the right end surface of the left side positioning plate; a rear side rubber cushion is mounted on the front end surface of the rear side positioning plate; a front side rubber cushion is mounted at the upper end part of the rear end surface of the front side positioning plate; an electric telescopic rod for driving the front side positioning plate to move forwards and backwards is mounted on the lower surface of the fixed mounting plate; a bolt mounting seat is bolted on the upper surface of the fixed mounting plate and located on the right end side of the left side positioning plate; and a positioning bolt is screwed on the upper end part of the bolt mounting seat. Through the structural design, the auxiliary CT tube mounting structure can effectively reduce the difficulty in carrying a CT tube in a CT tube mounting and maintenance process, so that the CT tube mounting and maintenance operation is simpler and quicker. Therefore, the auxiliary CT tube mounting structure has the advantages of novel design and convenience in operation and use.

A method for controlling algae in a freshwater pond by cultivating striped mullets relates to a method for treating water. Aiming at the problem of frequent blooming of blue green algae in a eutrophic pond aquiculture water body, the striped mullets which belong to river mouth marine fishes and can only be reproduced in sea water are introduced to filter-feed on the algae and swallow detritus substances, so that the aim of continuously and thoroughly purifying a freshwater pond aquiculture environment is fulfilled. The method is characterized by comprising the following steps of: performing gradual desalting treatment on the striped mullets before cultivation to make the striped mullets adapt to the living environment of freshwater, wherein the age of each striped mullet is less than 24 months; transferring the striped mullets into a pond required to be purified by a keeping-alive transportation method; cultivating the striped mullets in the eutrophic freshwater pond; and catching thelarge striped mullets and keeping the small striped mullets year by year according to the density of the striped mullets in a water environment. By the method for controlling the algae in the freshwater pond by cultivating the striped mullets, the content of the algae in the eutrophic freshwater pond aquiculture water body is effectively reduced, nitrogen and phosphorus nutritive salts in the water and humus in a bottom material are brought out of the water body by harvesting reproduced striped mullets, the quality of the water body is greatly improved, and algae blooming is controlled.

The invention discloses a novel zipper durability testing device comprising a device main body, a front side cover plate, a first sliding chute, a second sliding chute, a first sliding rail, a secondsliding rail, a first sliding block, a second sliding block, a clamping head, a third sliding block, universal wheels and a control panel. Compared with the prior art, the device in the invention is simple in structure and reasonable in design, the zipper is clamped by arranging the first sliding block and the second sliding block, in cooperation with an automatic clamping plate of the third sliding block, the repeated durability test of the zipper can be carried out conveniently and rapidly, the stability is high, and the test effect is good; by arranging the control panel and the universal wheels, the test method can be conveniently adjusted, the test frequency can be conveniently learned, and the carrying difficulty of the device is greatly reduced due to the universal wheels. The device is worthy of popularization.

The invention discloses a folding multifunctional luggage which comprises a lower luggage body and an upper luggage body, supporting legs are arranged at corners of the bottom end of the lower luggagebody, universal wheels are fixedly mounted at the bottom ends of the supporting legs, a computer insertion pocket is formed in the inner side of the front end of the upper luggage body, and a computer protection belt is arranged at the upper end of the computer insertion pocket. According to the foldable multifunctional luggage, supporting rods are arranged at the corners of the bottom end of thelower luggage body; the bottom ends of the supporting rods are fixedly connected with a sleeve; the sleeve is movably connected with the base through second rotating shafts; therefore, the supportingrods can swing by 90 degrees; a user can horizontally place the vertically mounted supporting rods, the lower luggage body can be folded and contracted, the size of the foldable multifunctional luggage is reduced, the carrying difficulty is reduced, the computer insertion bag is arranged on the upper luggage body, the user can store a computer conveniently, meanwhile, the computer is placed in the upper luggage body through a front cover plate and the computer protection belt, and the computer can be protected easily.

The embodiment of the invention discloses a guide pipe frame closing process, a supporting frame and a supporting assembly. The process comprises the following steps of constructing the supporting assembly; positioning and placing the lower section of the guide pipe frame; and integrally closing the guide pipe frame. The supporting frame comprises at least one placing plate placed on an operatingplatform, a sliding rail arranged on each placing plate, and a plurality of carrying workpieces slidably arranged on the sliding rail, and the plurality of carrying workpieces are provided with box beam tools used for placing main supporting tubes. The supporting assembly comprises the supporting frame, and a power supply unit for pulling the carrying workpieces to slip along the slip rails. According to the process, the supporting frame and the supporting assembly, a common wharf can also be operated in the field, the problem that the cost is increased due to the fact that an independent machining area is divided is avoided, meanwhile, the carrying difficulty in the adjusting process is further reduced, and the carrying efficiency is improved.

The invention provides a product transfer device and method for an aging process. The product transfer device comprises a conveying device which is used for conveying a product; an inductive switch which is used for receiving place entering information of the product; a limit switch which is used for receiving in-place information of an aging vehicle; the aging vehicle which is used for receivingand placing the product and carrying out an aging test on the product; a mechanical arm which comprises an establishing module used for establishing an operation instruction set, and a grabbing actioninstruction corresponding to the operation instruction set; a starting module which is used for responding to an in-place instruction of the aging vehicle and entering a grabbing mode; a function module which is used for responding to a place entering instruction of the product, reading the operation instruction set and outputting a grabbing action instruction to an execution component of the mechanical arm; an execution module which is used for executing the grabbing action instruction and grabbing the product to the aging vehicle to be placed; and a judgment module which is used for judgingwhether all the grabbing action instruction is completed or not; The product transfer device and method for the aging process have the beneficial effects that automatic carrying is achieved, and collision on the to-be-aged product is avoided.

The invention discloses a handheld type three-dimensional camera. The camera structurally comprises a case, an annular lamp, an annular lamp bracket, a control panel, a diffusion plate, a turntable and a soft light lampshade, and a shooting unit. The shooting unit is arranged in front of the soft light lampshade through an annular lamp support. The case comprises a cover body and a main body. Theannular lamp is fixedly connected with the case through an annular lamp bracket. A control panel is arranged at the front end of the case. The diffusion plate is installed in the cover body and the main body, the rotary disc is arranged in the machine box and above the diffusion plate, the soft light lampshade is placed on the upper portion of the main body, the soft light lampshade is arranged outside the soft light lampshade, the carrying difficulty is small, and vulnerable parts such as a shooting unit can be independently packaged and carried.

The invention discloses an automatic accounting document sorting and tidying machine. The invention relates to the field of office automation. For aiming at problems that an existing machine is largein size, most are fixed arrangements, direct contact with ground, rust caused by long-term use, reducing machine service life, manual carrying is needed for replacing use places, carrying difficulty is increased, machine collision is caused by instability of the carrying process, normal use of the machine is influenced by damage of parts and working efficiency reduces in the prior art, the invention provides the automatic accounting document sorting and tidying machine which is characterized in that a sorting machine body is included, a fixing block is welded to the lower portion of the sorting machine body, a mounting plate is fixedly mounted on the lower portion of the sorting machine body, a fixing frame is fixedly connected to the lower portion of the mounting plate, and a threaded rodis arranged in the fixing frame. The automatic accounting document sorting and tidying machine is simple and novel in structure, the height of the sorting machine body is increased, the service lifeof the machine is prolonged, moving wheels are arranged to facilitate moving of the machine, the carrying difficulty is reduced, the moving stability is improved, and the sorting machine is suitable for popularization.

The invention discloses a tool for changing two strings of insulators. The tool consists of a pull plate, a telescopic pull rod and a pull ring which are connected in sequence, wherein the structure of the pull plate is that: an adjustment bolt is connected to left ends of two parallel plates; a fixing bolt is connected to the right ends of the two parallel plates; a plurality of adjustment holes are formed in the two parallel plates; the structure of the telescopic rod is that: a left rod and a right rod are screwed on the left end and the right end of a barrel body respectively; the left end of the left rod is sleeved and hung on the fixing bolt; and the right end of the right rod is sleeved and hung on the pull ring. The tool has the characteristics of simplicity, practicability and convenience for carrying, and is a tool special for changing two strings of insulators at 220 kV or below.

The present invention relates to a universal multifunctional folding vertical supporting frame. It includes three main portion of main supporting frame, fixed frame and auxiliary supporting frame. The main supporting frame and auxiliary supporting frame are connected on the fixed frame by means of hinge, and on the main supporting frame and auxiliary supporting frame are set mutually-matched tenon groove and tongue. Said supporting only can connected with base seat of photo frame, the photo frame can be stood vertically, so that two face of photo frame main body can be completely displayed. Besides, said invention also can be used for packaging commodities, and also provides its extensive application range.

Embodiments of the subject invention relate to a method and apparatus for shipping products so as to control the temperatures the products are exposed to. Embodiments can increase the amount of time the product and / or portions of the product experience a desired temperature range and / or reduce the amount of time the product and / or portions of the product experience temperatures outside of the desired temperature range and / or experience an undesirable temperature range. Embodiments can incorporate biotic materials, such as wood fibers or moss, positioned around and / or near the product positioned inside a packaging container or around a pallet load, such that the biotic materials restrict heat flow from one or more locations on the exterior of the package to one or more other locations in the interior of the package.

The invention discloses a power construction cable releasing device. The device comprises a trolley and a rotating mechanism; the rotating mechanism comprises a power source, a rack, a rotating motor,a left clamping arm, a right clamping arm and a transmission mechanism; one surface, facing the right clamping arm, of the left clamping arm is provided with a first rotary clamping block; one surface, facing the left clamping arm, of the right clamping arm, is provided with a second rotary clamping block; when a cable reel is installed, the first rotary clamping block and the second rotary clamping block are inserted into two ends of the cable reel, so that the cable reel is installed between the left clamping arm and the right clamping arm; the transmission mechanism is arranged between therotating motor and the first rotary clamping block so as to drive the first rotary clamping block to rotate when the rotating motor rotates; a locking mechanism is arranged on the rack; the rotatingmotor drives the cable reel to rotate, so that the cable reel can release a cable without manual rotation required, and therefore, manpower resources are saved; after the cable is released by the release device, an operator can install the cable at a designated place; and the trolley is pushed to a next construction site, and therefore, influence of the carrying difficulty of the cable reel can beavoided.

The invention provides a novel carton which comprises a carton body and a carton cover. Two through holes are formed in the bottoms of the two side faces of the carton body in a left-and-right symmetric mode. The through holes are communicated with the side faces of the carton box, and a supporting rod is arranged at the bottom of the carton body. The supporting rod penetrates through the two through holes and penetrates through the whole carton body. Two wheels are arranged at the two ends of the supporting rod, and the wheels are detachably connected with the supporting rod. A handle hole is formed in the top end of the front side face of the carton body, and the handle hole is communicated with the front side face of the carton body. The novel carton has the advantages that the wheels are arranged at the bottom of the carton body so that a customer can conveniently carry the carton, the carrying difficulty is greatly lowered, when the carton is not used, the wheels can be detached at any time, the carton is folded, use is convenient, and space is saved.

The invention discloses a portable fishing gear carrying rack, which comprises a support frame, wherein the support frame comprises a first support frame, a second support frame and a third support frame; the first support frame, the second support frame and the third support frame are respectively and movably connected through a connecting shaft and a screw bolt; the first support frame comprises a first support leg; a first installing groove matched with the second support frame is formed in the first support leg; the bottom of the first support leg is fixedly connected with a fixing block; the bottom of the fixing block is fixedly connected with a first pad block; the second support frame comprises a second support leg; a second installing groove matched with the third support frame is formed in the second support leg; the bottom of the second support leg is fixedly connected with the fixing end of a first telescopic rod; the free end of the first telescopic rod is fixedly connected with a second pad block. The portable fishing gear carrying rack has the advantages that the occupied storage space during the storage is reduced; the carrying difficulty of a user is reduced; the time and the labor are saved; the applicability is high; the carrying by people is convenient.

The invention discloses a light plastic-woven inner sticking film air duct which comprises a polyethylene plastic mesh braiding layer (1) as a framework and an inner leakage preventing layer (2) bonded with the outer polyethylene plastic mesh braiding layer (1) to from a whole, wherein the inner leakage preventing layer (2) is a dual-layer co-extrusion blown film with the thickness of 0.005-0.04mm and is formed by selecting materials, braiding, hot melting and internally sticking. The light plastic-woven inner sticking film air duct disclosed by the invention has the beneficial effects that local quality and ventilation resistance of the air duct are reduced; ventilation energy consumption is reduced and energy sources are reasonably and fully utilized; and meanwhile, the handling difficulty is reduced and the operation efficiency is increased. Compared with a traditional air duct, the light plastic-woven inner sticking film air duct has the advantages that the cost of a fabric for local fan ventilation is reduced; the weight is light; the labor intensity during mounting is reduced; and repeated use and reproductivity are realized.

A compound first-aid repair rod consists of a lower rod body, an upper rod body and a cross arm which are fixedly combined and installed, wherein the upper rod body and the lower rod body are hollow rod bodies made by adopting a compound material winding process, the upper rod tail of the upper rod body and the lower rod head of the lower rod body are fixedly combined and installed for connection, and the cross arm is fixedly installed at the upper rod head of the upper rod body. The compound first-aid repair rod has the advantages that transportation and carrying are convenient, and the first-aid repair rod carrying difficulty in various terrain environment is reduced; installation and construction are simple, the labor force requirements of first-aid repair operation are reduced, the first-aid repair speed is accelerated, and power loss is avoided; the whole structure is firm and superior in performance, dismounting is not needed in a later period, the compound first-aid repair rod can be used for a long period of time to replace an original telegraph pole, repeated operation and maintenance are avoided, and the maintenance cost is reduced; large-scale mechanical equipment for assistance is not needed in the whole first-aid repair process, first-aid repair can be easily completed without manual matching, and the construction difficulty is reduced; the overall first-aid repair cost is greatly reduced, the first-aid repair efficiency is improved, the service life is more than 30 years, and the compound first-aid repair rod is suitable for popularization and usage.

The invention discloses a portable tobacco air-drying frame. The portable tobacco air-drying frame comprises a base, a first air-drying plate, a second air-drying plate and a third air-drying plate, wherein the top of the base is fixedly connected with a main rod, a clamping groove is formed in the top of the main rod, a first lower support rod is fixedly connected at the bottom of the first air-drying plate, a clamping block matched with the clamping groove is arranged at the bottom of the first lower support rod, the main rod and the first lower support rod are fixedly connected through a locking bolt, the top of the first air-drying plate is fixedly connected with a first upper support rod, a thread slot is formed in the top of a first upper main rod, and a second lower support rod is fixedly connected with the bottom of the second air-drying plate. The portable tobacco air-drying frame is convenient to dismount, storage space occupied during storage is effectively reduced, the phenomena that a sharp article is touched during carrying is effectively avoided, the tobacco air-drying frame is convenient to carry, the carrying difficulty for a user is reduced, time and labor are saved, and use by people is facilitated.

The present invention discloses a stone ore dust recovery and comprehensive utilization system which includes a base and a plurality of material carrying plates arranged on the base; a first movable groove is formed in the base, the material carrying plates are arranged in the first movable groove, first sliding blocks are arranged on two sides of each material carrying plate respectively, a first sliding groove matched with the first sliding block is formed in the inner wall of the first movable groove, a second sliding groove is formed in the top of the first sliding groove, and a third sliding groove is formed in the side wall of the first sliding groove; a first connecting block is arranged on one side of each material carrying plate, a first connecting groove matched with the first connecting block is formed in the other side of the material carrying plate, a second movable groove is formed in the first connecting block, a first connecting rod is arranged in the second movable groove, and a second connecting groove matched with the first connecting rod is formed in the inner wall of the first connecting groove; and when the two material carrying plates move from the third sliding groove to the first sliding groove, the two connected material carrying plates are separated.

The invention relates to the technical field of lighting lamp boxes and concretely relates to an LED light source strip used for a modularized lamp box. The LED light source strip comprises a substrate and multiple LED chips arranged on the substrate. One side along the length direction of the substrate is provided with a clamping tenon and the other side is provided with clamping grooves. Two adjacent LED light source strips are detachably connected through matching of tenons and clamping grooves. In the above technical scheme provided by the LED light source strip used for modularized lamp box, the two adjacent LED light source strips are detachably connected through matching of the clamping tenons and the clamping grooves on respective LED light source strips such that a light source assembly composed of all the LED light source strips is good in integrality and an overall light source assembly is flat. Therefore, all positions of the light source assembly uniformly illuminate, thereby improving the display effect of the lamp box.

The invention relates to the technical field of building device carrying, and discloses a stair carrying auxiliary device for building device. A storage battery is fixedly connected to the rear surface of a supporting frame, and a driving assembly is arranged in the supporting frame; telescopic plates are movably connected to the two sides of the bottom of the supporting frame; supporting plates are movably connected to the bottoms of the two telescopic plates; and an adjusting assembly is connected between the two supporting plates. According to the stair carrying auxiliary device, a containing plate can be driven by the driving assembly to transversely move, and therefore the building device positioned on the containing plate is driven to move, the carrying difficulty of the building device in a stair well is greatly reduced, the collision phenomenon generated during building device carrying is reduced, and the carrying efficiency of the building device is improved; and through the adjusting assembly, a user can conveniently adjust the inclination angle between the supporting frame and stair steps according to actual needs, and the building device is more stable during carrying in the stair well.

The invention discloses a splicable display board, which comprises a spliced board, a column and a fixing bolt. The splicing plate is installed on the upright post and fixed by fixing bolts, one sideof the splicing plate is provided with a splicing slide rail, and the other side is provided with a splicing groove, the splicing slide rail matches the shape of the splicing groove, and in the splicing state, the splicing slide rail of the transverse adjacent splicing plate can be slidably inserted into the splicing groove 12 to realize splicing. The display board adopts splicable design, and thesplitting transportation can effectively reduce the handling difficulty of the display board. During the installation of the display board, the display board can be quickly assembled into a completedisplay board without the aid of tools. At the same time, different sizes of display boards can be formed according to the needs. The display board can be split and managed uniformly when not in use,which is convenient, fast, efficient and low in cost.