257 results about "Clapboard" patented technology

The utility model discloses a display cabinet with adjustable space, which comprises a cabinet body, vertical clapboards and transverse clapboards, the vertical clapboards are vertically arranged in the cabinet body, the transverse clapboards are transversely arranged in the cabinet body, and the vertical clapboards and the transverse clapboards are vertically arranged. The device has the advantages that the two sets of transverse partition plates and the two sets of vertical partition plates are adopted, the two sets of transverse partition plates are arranged in parallel, the two sets of vertical partition plates are arranged in parallel, and the transverse partition plates and the vertical partition plates are arranged vertically, so that a plurality of rectangular spaces are formed; a first driving motor can be started to drive vertical partition plates to move, meanwhile, a second driving motor can be started to drive vertical screws to rotate, then transverse connecting plates are driven to move, transverse partition plates are driven to move, the size of a rectangular space is changed, and the device is suitable for displaying goods of different sizes. Adjustment and use are more flexible and convenient.

The invention relates to the technical field of building construction, and discloses reinforced concrete prefabricated frame wallboard grooving equipment which comprises a machine body, the machine body is provided with a plurality of uniformly arranged saw blades, the bottom of the machine body is fixedly connected with a mounting plate, the bottom of the mounting plate is sleeved with a sleeve plate in sliding connection, and the bottom of the sleeve plate is fixedly connected with a positioning plate. A partition plate is fixedly connected into the sleeve plate, a plurality of electric push rods are fixedly connected between the top of the partition plate and the bottom of the mounting plate, a control button is fixedly connected to the bottom of the partition plate, a fixing frame A and a fixing frame B are fixedly connected to the two sides of the top of the positioning plate correspondingly, and a conveying belt is wound between the fixing frame A and the fixing frame B through a rotating shaft. According to the grooving equipment for the reinforced concrete prefabricated frame wallboard, the problems that when a traditional device is used for manual cutting, a worker has certain reaction time, so that a saw blade still rotates in a wall body, and the grooving length of the wallboard is too long can be solved.

The utility model relates to the technical field of flue gas treatment, in particular to a flue gas heat energy recovery device of a garbage power plant, which comprises a box body, and a flue gas inlet pipe and a flue gas outlet pipe which are connected to two sides of the box body, a plurality of diversion clapboards which are distributed at equal intervals are fixedly arranged in the box body, and staggered diversion gaps are reserved between the adjacent diversion clapboards and the inner wall of the box body. A cleaning mechanism used for scraping dust on the side wall of the flow guide partition plate is arranged on the box body, and a heat energy recycling mechanism used for recycling smoke heat is further arranged in the box body. According to the flue gas heat energy recovery device for the garbage power plant, dust adhering to the flow guide partition plate is scraped off through a scraper, the problem that the heat transfer efficiency of a pipeline is affected by dust accumulation can be avoided, the heat energy recovery efficiency is improved, a heat conduction pipe in the heat energy recovery mechanism is located in the flow guide partition plate, and the problem that the pipeline is corroded and damaged can also be avoided; and the retention time of the flue gas in the box body can be prolonged, so that the heat exchange efficiency is improved.

The utility model relates to the switch field, and specifically relates to a switch moistureproof mechanism comprising a switch, two ends of the switch are provided with protection parts, the protection parts are internally provided with moistureproof mechanisms, and each protection part comprises a box body, an insertion plate, a fixing hole, a first air hole and an installation groove. The moisture-proof mechanism comprises a moisture-proof box, a second air hole, a door body, a mounting plate, a handle, a partition plate and a third air hole, the moisture-proof box is located in an inner cavity of the box body, the inserting plates are fixedly mounted on the end face of the box body, the fixing holes are formed in the inserting plates, the number of the inserting plates is two, and the two inserting plates are symmetrically distributed; according to the utility model, the protection part is arranged at one end of the switch, and the moisture-proof mechanism is arranged in the box body in the protection part, so that the moisture-proof mechanism can be conveniently used for absorbing moisture of passing air, and the moisture-proof effect on the switch is achieved.

The utility model discloses a special mould frame convenient for storing and taking sendust soft magnetic mould, which comprises a box body, a drying partition plate, a frame body and a liquid guide mechanism, a storage inner cavity is formed inside the box body, the drying partition plate is arranged in the middle of the storage inner cavity, two groups of sub-cavities are formed on two sides of the drying partition plate, two groups of guide grooves are symmetrically arranged at the bottom of each sub-cavity, and the guide grooves are arranged on the frame body. The rack body comprises a vertical plate and a plurality of sets of placing plates evenly installed on the vertical plate, a handle is installed on the vertical plate, a butt joint groove is formed between every two sets of placing plates at the same height, an iron sheet is fixed to the inner end of each butt joint groove, a magnet used in cooperation with the iron sheets is installed at the outer end of each drying partition plate, and two sets of auxiliary wheels and two sets of main wheels are installed on the placing plate located at the bottom. The two auxiliary wheels are slidably arranged in the two guide grooves. According to the drawing type mold frame, a hand pulling type storage mode is adopted, the molds can be conveniently taken and daily sealed storage treatment is facilitated, moisture entering is reduced, and therefore the rust-proof effect of the molds is improved.

The utility model relates to the technical field of buildings, in particular to a T-shaped wall assembly for a window visit corridor and a clean room, which have a horizontal first direction and comprise three vertical wallboards, namely a first glass plate and a second glass plate which are parallel to the first direction, and a third glass plate which is perpendicular to the first direction; the first glass plate and the second glass plate are spliced along a first direction, and the end surfaces of the two glass plates are oppositely arranged to form a seam, and the end surface of the third glass plate faces the seam; the three wallboards are connected through connecting pieces, and the end faces of the wallboards are provided with inwards-concave inserting openings. The connecting piece comprises a partition plate, a square butt joint, an extension plate, an abutting plate and a plug which are sequentially connected in the direction perpendicular to the first direction, the partition plate, the square butt joint and the extension plate are embedded in the seam, the two ends, in the first direction, of the square butt joint are inserted into the insertion openings of the first glass plate and the second glass plate respectively, and the plug is inserted into the insertion opening of the third glass plate.

The utility model discloses a vertical storage support for sealing blanking caps. The vertical storage support comprises a main body frame, a cross beam, a back stop lever, an upper partition plate, a partition pipe and a lower partition plate. The main body frame comprises stand columns, a top plate and a bottom plate. The upper end and the lower end of the stand column are welded to the top plate; the four cross beams are connected with the stand columns in pairs; the upper clapboard and the lower clapboard are placed on the cross beam; circular holes are formed in the top plate, the upper partition plate, the lower partition plate and the bottom plate; the partition pipe penetrates through the circular holes in the top plate, the upper partition plate, the lower partition plate and the bottom plate from the top end to the bottom end; and back stop levers are arranged between the two upright posts on the left / right side surface and between the two upright posts on the back surface. The storage support solves the problems that rubber layers are abraded, site storage is disordered, time and labor are consumed during storage and taking, the space occupancy rate is high, site attractiveness is poor, and potential safety hazards exist in the operation process when existing sealing blanking caps are stacked and stacked.

The utility model belongs to the field of packing and provides a piece of paper tray inner lining of forming, including paperboard main part, four edges of paperboard main part are provided with horizontal outward extension's outer baffle, every outer baffle can be folded up to with paperboard main part perpendicular, each outer baffle is connected in head -to -tail in horizontal direction and forms the article -placing space with paperboard main part together, paperboard main part is cuted with inner baffle every interval, the same side in the direction of every inner baffle arrangement is connected with paperboard main part as the bottom edge, and the rest three edges are separated with paperboard main part through the cut of penetration, every inner baffle can be folded up to with paperboard main part perpendicular along the bottom edge, and form the article -placing groove between adjacent inner baffle and between the outermost inner baffle and outer baffle.

This utility model relates to the field of building construction machine technology, and proposes a hoisting component for a building construction machine, including a lifting leg, a track, and a hanging bracket column. The track includes a fixed plate and a hanging rail. The fixed plate is fixedly mounted on the lifting leg, and both its top and bottom sides abut against the lifting leg. The hanging rail is fixedly mounted on the fixed plate. The hanging bracket column is slidably mounted on the hanging rail. This utility model improves the hoisting stability and installation efficiency of the hanging bracket by setting a hanging rail on the lifting leg and utilizing the sliding cooperation between the hanging bracket column and the hanging rail. By setting a fixed plate and ensuring that both its top and bottom sides abut against and are fixedly connected to the lifting leg, the fixing strength of the hanging rail is improved, further enhancing the installation efficiency of the hanging bracket. Furthermore, by setting a partition, a top plate, and a connecting frame, and ensuring that the fixed plate abuts against and is fixedly connected to the connecting frame, the fixing strength of the hanging rail is further improved.

The utility model discloses a waterproof great wall plate easy to install, which belongs to the technical field of decorative plate structures and comprises a body and great wall blocks. A plurality of great wall blocks are fixed on the body, each great wall block is of a hollow structure, and two partition plates are arranged in each great wall block to equally divide each great wall block into three parts; splicing structures are arranged at the left end and the right end of the great wall block, and the multiple great wall plates are connected and fixed through the splicing structures. A plurality of protrusions are arranged on the back face of the body and assist the great wall plate in installation. And waterproof treatment is carried out on the splicing parts of the great wall plates by adopting sealant. According to the utility model, the plurality of bulges are arranged on the back surface of the great wall plate to assist the great wall plate in mounting; splicing devices are arranged at the two ends of the great wall plate, so that the great wall plate is convenient to splice; and waterproof glue is arranged at the splicing part, so that the waterproofness of the great wall plate is improved.

The utility model discloses a splayed wall forming die which comprises a machine frame, a bottom die plate is installed on the machine frame, a vertical die with an opening in the top is arranged on the bottom die plate, the lower portion of the vertical die is transversely communicated with a transverse die, and a pouring space is formed by the bottom die plate, the vertical die and the transverse die. The vertical mold comprises a vertical front side plate and a vertical rear side plate which are arranged on the bottom mold plate, and vertical outer side plates are arranged on the two side faces of the same sides of the vertical front side plate and the vertical rear side plate in a sealed mode. The transverse mold comprises a transverse bottom plate arranged on the bottom mold plate, a partition plate inclining from the bottom face of the transverse bottom plate and extending in the direction away from the vertical rear side plate is arranged on the transverse bottom plate, the partition plate is located in the pouring space, the two ends of the partition plate are connected between the two opposite vertical outer side plates, one end of the partition plate is close to the vertical rear side plate, and the partition plate and the two vertical outer side plates are covered with a top plate. By arranging the structures such as the vertical mold and the transverse mold which are communicated with each other, the problems of inaccurate reinforcement cage positioning and low concrete pouring quality during on-site manufacturing can be solved, the influence of weather and environment on construction is reduced, and the construction safety is improved.

The utility model relates to a base assembly of a frame type circuit breaker, which comprises a base and a bottom plate, a plurality of contact accommodating cavities are formed between the base and the bottom plate, the bottom plate is respectively provided with a plurality of bus holes communicated with the plurality of contact accommodating cavities, the bottom plate is provided with a plurality of phase clapboards separated among the plurality of bus holes, and the plurality of phase clapboards are communicated with the plurality of contact accommodating cavities. Clamping convex strips are arranged at one ends of the phase partition plates, clamping grooves matched with the clamping convex strips are formed in the bottom plate, the clamping convex strips are clamped in the clamping grooves, positioning holes communicated with the clamping grooves are formed in the bottom plate, positioning convex blocks matched with the positioning holes are arranged on the clamping convex strips, and the positioning convex blocks are clamped in the positioning holes. The two sides of the clamping protruding strip are provided with two limiting protruding strips, the two limiting protruding strips abut against the bottom plate, and the two limiting protruding strips and the bottom plate are matched in a limiting mode. The utility model has the advantages of simple structure, stable and reliable performance, high assembly efficiency and good insulation performance.

The utility model provides a fatty liver sample storage device, which relates to the technical field of storage devices, and comprises a refrigeration box body, a plurality of clapboards are equidistantly arranged in the refrigeration box body from the right upper part to the lower part, a plurality of fixing mechanisms are equidistantly arranged at the top ends of the clapboards, and each fixing mechanism comprises a base. The base is fixedly installed at the top end of the partition plate, a buffering assembly is installed in the base, a fixing base is fixedly connected to the back face of the base, a pressing assembly is arranged in the fixing base, and clamping assemblies are symmetrically installed in the fixing base and located on the left side and the right side of the pressing assembly; according to the fatty liver sample storage device, the base, the buffering assembly, the fixing base, the pressing assembly and the clamping assembly are used in cooperation, test tubes loaded with fatty liver samples can be stably placed, meanwhile, rapid placing and taking work can be achieved, compared with a traditional storage device, the placing and taking stability is greatly improved, and practicability is effectively improved.

The utility model discloses a tire mould, relates to tire processing technical field, including lower mould and upper mould, the lower mould is fixed at the upper end of clapboard, the outside of lower mould clings to be equipped with a plurality of side mould, the bottom end in the installation box is equipped with the moving mechanism, the upper mould is fixed at the end of spring telescopic pole, the lower mould is equipped with the spring telescopic pole. The output ends of the spring telescopic rods are fixedly connected with the upper end of the filling mold, and a limiting mechanism is arranged at the upper end of the lower mold. The plurality of side molds are arranged on the outer side of the lower mold and are combined to form the annular mold, so that a patterned tire with any depth can be conveniently demolded, the tire is prevented from being adhered to the side molds by arranging the limiting mechanism, and meanwhile, the tire is prevented from being driven by the filling mold to ascend and move; and by arranging a fixed gear, the side edge molds are prevented from moving during machining, and a fixed inner gear ring can enable the multiple side edge molds to be automatically away from the tire.

The invention discloses an assembly type building board with a connecting structure, relates to the technical field of assembly type buildings, and provides the following scheme that the assembly type building board comprises a pair of stand columns, a pair of fixing columns are arranged between the pair of stand columns, a plurality of partition plates are arranged on the two sides of each fixing column, the space between the partition plates on the two sides is filled with polystyrene foam, and cutting wires are bonded to the partition plates through mounting grooves; an annular second air bag is arranged at the inserting position of the stand column and the partition plate, and the inner side of the second air bag tightly abuts against the partition plate. Partition plates are quickly fixed and detached through clamping jaws, polystyrene foam can be filled between the partition plates, so that sound insulation and firmness are improved, springs enable second air bags to be continuously expanded, and the second air bags abut against and wrap the outer walls of the partition plates when expanding, so that water vapor entering the stand columns is reduced, the inner sides of the partition plates are prevented from mildewing, and the service life of the stand columns is prolonged. And the winding disc is driven to wind the cutting wire, the cutting wire cuts off the foam rubber, the cutting wire is an electric heating wire, the cutting capacity of the foam rubber is improved, and the partition plate is convenient to disassemble.

The utility model discloses an assembly rib beam structure ultrathin RPC trestle board mould, including lower mould, upper mould, the lower mould includes forming platform, lower connecting plate, be equipped with two lower connecting plates, be located top front and back two sides, the upper mould includes upper connecting plate, baffle, forming plate, inclined plane, be equipped with two upper connecting plates, set up in lower connecting plate top respectively, and be connected with lower connecting plate, baffle is equipped with a plurality of left and right interval, and two upper connecting plates are fixedly connected with the front and back two sides of baffle bottom surface, forming plate is set up horizontally left and right, and is equipped with a plurality of interval before and after, and the middle part forms the convex inverted trapezoidal structure downward, and the inclined plane is fixed and is located every forming plate top front and back two sides, and the inclined plane top all are equipped with a plurality of connecting grooves, and are fixedly connected with baffle through connecting groove. The utility model can obtain the trestle board with trapezoidal convex rib, can improve trestle board structure strength while the thickness is smaller, reduces the cost, can realize once pouring forming, simple structure, convenient to use.

The utility model relates to the technical field of furniture, in particular to an invisible connecting piece. The device is used for connecting partition plates between vertical plates on two sides of panel furniture. The partition plate piece is arranged in the end of the partition plate, and the lap joint piece is arranged opposite to the end of the partition plate. The partition plate piece comprises a section of pipe body, and an elastic agraffe which is bent downwards is exposed out of the end of the pipe body. The lap joint piece is a section of second pipe body, a short platform is arranged at the front end of the second pipe body, and an inserting opening for the elastic agraffe to be inserted in is formed behind the short platform. The partition plate piece is composed of the pipe body and the elastic agraffe and is simple in structure, convenient to machine and low in cost. The lap joint piece is composed of the pipe body, the short platform and the inserting opening, is formed at a time, and is simple in structure and low in cost. The device is simple in overall structure and low in cost.

The utility model discloses a raw material partitioned stacking device for copper bar machining. The front side of the stacking pool is provided with a plurality of entrances and exits, the partition plates are movably arranged in the stacking pool, the door plates are detachably connected to any one of the entrances and exits, and the fixing mechanisms are arranged on the front side of the stacking pool and located between any two adjacent entrances and exits. The utility model has the following advantages and effects: by arranging the stacking pool and arranging the plurality of clapboards in the stacking pool, the stacking pool is divided into a plurality of areas, so that various raw materials can be stacked in different areas and managed in compliance; the position of the partition plate can be moved, the size of each area can be adjusted according to the use amount of different raw materials, and the partition plate can be fixed through the fixing mechanism after being moved; in addition, the fixing mechanism is arranged between any two entrances and exits, any entrance and exit is detachably connected with the door plate, and at the moment, one entrance and exit can be reserved in each subarea so that the raw materials can be stacked and taken.

The utility model discloses a building engineering heat preservation decoration partition plate which comprises a lower decoration plate, a structural layer convenient to splice is installed on the top of the lower decoration plate, a sound insulation layer is installed on the top of the structural layer, a heat preservation layer is installed on the top of the sound insulation layer, and an upper decoration plate is installed on the top of the heat preservation layer. A connecting piece is inserted into one side of the structural layer, the structural layer comprises a supporting plate fixedly installed at the top of the lower decorative plate, a structural frame is fixedly installed at the top of the supporting plate, and by arranging the heat preservation layer and the sound insulation layer in the partition plate, the overall heat preservation and sound insulation effects of the partition plate are improved; secondary decoration of the partition plate is avoided, the use cost is reduced, through the arrangement of the connecting piece and the structural layer, the fixing plate and the connecting plate in the connecting piece can be installed in the two sets of installing grooves and the communicating grooves correspondingly, the effect of rapid splicing of the two sets of partition plates is achieved, and the overall structure is stable.

The present invention relates to the technical field of building walls, and discloses an energy-saving and temperature-controlled prefabricated building wall, including a main wall. A load-bearing wall is arranged in the middle of the outer surface of the main wall. A heat conduction pipe is arranged inside the load-bearing wall. A first sliding groove is arranged on one side of the load-bearing wall. An insulating board is movably connected inside the first sliding groove through a first slider. For this energy-saving and temperature-controlled prefabricated building wall, through the settings of the floor heating protection pipe sleeve, the partition board and the heat insulation layer, when the indoor temperature is relatively low, the indoor is heated by the floor heating. The floor heating protection pipe sleeve protects the floor heating from external factors. The heat insulation layer can effectively separate the indoor temperature from the outdoor temperature. The partition board can effectively separate the heat insulation layer from other substances. Through the settings of the load-bearing wall, the sound insulation board and the fixing board, the sound insulation layer can soundproof the indoor noise. The fixing board can fix the sound insulation board inside the main wall, and the load-bearing wall can bear most of the weight.

This utility model relates to the field of wood processing technology and proposes a wood cleaning device, including a cleaning collection frame: the cleaning collection frame is connected to a lifting frame from the top inward, and lifting mechanisms are provided on both sides of the lifting frame, with the lifting mechanisms located on the outside of the cleaning collection frame. Conveying port mechanisms are provided on both sides of the cleaning collection frame and the lifting frame. A fixing plate is fixedly connected between the front and rear plates on one side inside the lifting frame. The fixing plate is away from the side wall of the lifting frame. There are two fixing plates, and insert plates are fixedly connected to the opposite sides of the two fixing plates. When the motor is started, the conveying wheel rotates to convey the wood board. Before conveying, the wood board is clamped by the upper and lower spring telescopic rods and the insert plates. The cleaning brush cleans the large particles of waste on the upper and lower layers of the wood board. The large particles of waste fall into the upper part of the partition for collection.

This application relates to a cast-in-place concrete partition system for beam and slab, belonging to the field of building cast-in-place. It includes a beam plugging member, the beam plugging member includes a partition board, the partition board is a concave-convex board, the partition board is used for the beam steel bar skeleton to pass through, and the partition board is fixedly connected with the beam steel bar skeleton; a slab plugging member, the slab plugging member includes at least one blocking board, the blocking board is arranged on the slab formwork, the blocking board is used for intercepting the concrete on the slab formwork, and the partition board abuts against the blocking board. This application has the effect of being able to more effectively partition the concrete in the beam and slab system.

An electronic clapperboard is provided for use in film, television and video production. The electronic clapperboard comprising a clapper and a slate; the clapper is disposed at the top of the slate a

The utility model relates to the technical field of furniture manufacturing, and discloses a wood board cutting surface post-processing device for furniture manufacturing, which comprises a shell, a paint spraying pipe is fixedly connected in the shell, a nozzle is fixedly connected on the outer wall of the paint spraying pipe, a motor is fixedly connected on one side of the shell, the output end of the motor is fixedly connected with a fixed disc, and the fixed disc is fixedly connected with a rotary shaft. A mounting block is fixedly connected to one side of the fixing disc, a limiting plate is slidably connected to the interior of the mounting block, a clamping block is fixedly connected to one side of the limiting plate, and a partition plate is fixedly connected to the interior of the mounting block. The wood directly slides into the mounting block, so that the clamping blocks in the mounting block adapt to the size of the wood, the clamping block at the topmost part cannot retract into the mounting block due to extrusion of the wood, the effect of quick mounting is achieved, and the problem that tools need to be independently used for matching when the wood plate is mounted, so that the working efficiency is high is solved. The board is installed on the connecting disc, and the production efficiency of the board cutting face post-processing device is improved.

The utility model discloses a green construction formwork assembly for buildings, which comprises a plurality of wood formworks and a storage frame. The storage frame comprises an upper plate and a lower plate, a side plate is connected between the lower plate and the upper plate, a partition plate is arranged between the upper plate and the lower plate, a trimming channel extending front and back is formed among the partition plate, the upper plate and the side plate, and a storage channel extending front and back is formed among the partition plate, the lower plate and the side plate; the upper plate is provided with a cutter hole extending leftwards and rightwards, a front guide plate and a rear guide plate which are connected with the upper plate are arranged outside the cutter hole, a scraper penetrating through the cutter hole and extending into the trimming channel is arranged between the rear guide plate and the front guide plate, and the front guide plate or the rear guide plate is in threaded connection with a locking screw with the end abutting against the scraper. The construction formwork assembly is matched with the front-back through storage frame, and recycled wood formworks can be stored and are convenient to transfer; and solidified cement which can be scraped off and left on the surfaces of the wood formworks is arranged on the storage frame, the reuse rate of the wood formworks is increased, the overall function is complete, and practicability is high.

The invention relates to a fabricated wall body structure in building construction. The fabricated wall body structure comprises two first mounting frames; the two second mounting frames are horizontally and oppositely arranged between the two first mounting frames, and the two second mounting frames and the two first mounting frames are connected end to end and arranged around a circle; the multiple inner wall supports are vertically connected between the two second mounting frames at intervals, and a containing space is defined by the inner wall supports, the second mounting frames and the first mounting frame; the first fixing assembly is arranged between the second mounting frame and the inner wall bracket; the plurality of wallboard units are spliced and placed in the accommodating space; and the partition plates are arranged between the adjacent wallboard units. The first mounting frame, the second mounting frame and the inner wall support are spliced to form the three-dimensional frame, and the multiple wallboard units are combined and spliced, so that the prefabricated module is miniaturized, the transportation cost is reduced, constructors can conveniently assemble the prefabricated module on site, and the requirement for the site is low.

The utility model discloses a platform type stacker crane which comprises a stacking assembly, a feeding assembly is arranged on one side of the stacking assembly, and a storage assembly is arranged on the other side of the stacking assembly. The stacking assembly comprises a stacking machine frame, a stacking conveying device is arranged on the stacking machine frame, and the stacking machine frame is further provided with a limiting device, a partition plate feeding device, a righting device, a lifting device and a material supporting device. The automatic board stacking machine has the advantages that the feeding assembly achieves rapid feeding and conveying of boards to the stacking assembly, a stacking conveying device, a limiting device, a partition feeding device, a righting device, a lifting device and a material supporting device of the stacking assembly work in a coordinated mode, and automatic feeding and stacking of single-layer boards and partition boards are achieved; the stacking efficiency is improved, the labor intensity of workers is reduced, and the quality of wood boards is guaranteed; and the storage assembly achieves temporary storage and transition of the stacked wood board finished products, and the wood board finished products can enter the next production procedure conveniently.

The utility model provides a roof separation seam reserving device, and relates to the technical field of building construction. The reserving device comprises an installation bottom plate, a first partition plate, a second partition plate, a first supporting piece and a second supporting piece. The first partition plate is arranged on and perpendicular to the first side edge of the mounting bottom plate, the second partition plate is also arranged on the first side edge of the mounting bottom plate and is parallel to and spaced from the first partition plate, and the mounting bottom plate, the first partition plate and the second partition plate form a gap. The first supporting pieces are located on the side edge, away from the second partition plate, of the first partition plate and are sequentially arranged at intervals in the first direction, and the direction is parallel to the mounting bottom plate. The second supporting pieces are arranged on the side edge, away from the first partition plate, of the second partition plate, are symmetrical with the first supporting pieces relative to the gap, and are arranged at intervals in the first direction. Compared with a traditional separation joint construction mode, forming is stable, and a rigid protection layer is not damaged.

The utility model belongs to the technical field of electric power operation and maintenance equipment, and particularly relates to a special tool box for a power distribution operation and maintenance team, which comprises a box body, an extruded polystyrene board is arranged in the box body, and a groove for placing tools is arranged on the extruded polystyrene board; the upper cover is connected with the box body in a hinged mode, a mounting groove with an opening facing the box body is formed in the inner side of the upper cover, an extrusion part is arranged in the mounting groove and connected with a partition plate, and a plurality of net bags and damp-proof adsorption balls are arranged on the partition plate; the lock catch is arranged on the box body and used for locking and fixing the upper cover and the box body through the lock catch, and the technical problem that the surfaces of tools in the tool box are prone to rusting due to the fact that the tool box is affected with damp is solved.

The wood board grinding device comprises a box body, a pushing assembly, an arc grinding assembly and a side grinding assembly, two partition plates and a first electric telescopic rod are arranged in the box body, the arc grinding assembly is slidably connected with the partition plates, and an extending shaft of the first electric telescopic rod is connected with the arc grinding assembly; a first abrasive belt is arranged in the arc grinding assembly. The side grinding assembly comprises a side grinding frame, a second motor, a second driving roll shaft, a third roll shaft, a tensioning roll shaft, a second abrasive belt, a first adjusting roll shaft and two second adjusting roll shafts, the side grinding frame is arranged on the box body, and an adjusting groove is formed in the side grinding frame; and the side grinding assembly is used for grinding the side of the wood board or the rhombic wood board. Therefore, the circular arcs on the sides and the four corners of the wood board can be polished, and the rhombic board can be polished, so that the labor intensity of related operators is reduced, and the wood polishing efficiency is improved.