30results about How to "Unfixed effect" patented technology

The invention belongs to the technical field of sludge drying and filter pressing, and discloses a sludge drying and filter pressing device which comprises a sludge spiral filter press, a conveying mechanism, a drying mechanism, a crushing mechanism and a discharging mechanism, the conveying mechanism is installed below one side of the sludge spiral filter press, the drying mechanism is arranged in the center above the conveying mechanism, one side of the sludge spiral filter press is connected with the smashing mechanism located above the conveying mechanism, and the discharging mechanism is arranged on a discharging port of the sludge spiral filter press; the discharging mechanism comprises a fixed shell; and the fixed shell is communicated with a discharging hole of the sludge spiral filter press. According to the design, the working intensity of the crushing mechanism can be reduced, mechanical fatigue is avoided, meanwhile, the degree of dispersing and thinning of the sludge by the crushing mechanism is improved, the sludge is more easily crushed by the crushing mechanism to be uniformly and fully loosened, blocky sludge is avoided, and therefore caking after subsequent drying is avoided.

The invention relates to the technical field of packaging bag processing, and particularly discloses packaging bag heat-sealing compression molding equipment and a packaging bag heat-sealing compression molding method, which are used for solving the problem of low packaging bag processing efficiency in the prior art. Comprising a heat-sealing forming part used for conducting hot-pressing edge sealing on a bag film A in the conveying process, a bag body winding part used for winding the bag film A subjected to heat sealing is arranged on the downstream of the heat-sealing forming part, and a cutting part used for cutting the bag film A is arranged between the heat-sealing forming part and the bag body winding part. The bag body rolling part comprises a rolling frame, and a center shaft sleeve is arranged in the middle of the upper end of the rolling frame. The packaging bag heat-sealing forming device is designed according to existing requirements, bag films in the conveying process can be subjected to heat-sealing forming, so that corresponding packaging bags are formed, then the formed packaging bags are wound through the bag body winding component, alternate winding is achieved by rapidly switching the winding rollers, and the influence of discharging on efficiency is reduced.

The invention belongs to the technical field of industrial and civil buildings, and discloses a floor thickness controller of an embedded suspender, which comprises a floor thickness controller base, the floor thickness controller stand column is arranged in the middle of the top end of the floor thickness controller base, and a floor thickness controller bottom steel bar supporting plate is arranged on one side of the floor thickness controller stand column; and an elevation adjusting assembly. According to the technical scheme, the height-adjusting threaded plastic cover, the suspender expansion bolt and the one-way valve are arranged, the suspender expansion bolt can be directly embedded and installed for protection after concrete pouring is completed, then a tool can be used for driving the height-adjusting threaded plastic cover to integrally move up and down through the groove, and adjustment of the floor elevation is achieved; and in the pouring process, the concrete can push a one-way valve through a feeding pipe to oppositely and unidirectionally enter a gap between the height-adjusting threaded plastic cover and the extrusion assembly till the gap is full of the concrete, and the situation that the gap in the height-adjusting threaded plastic cover influences the overall strength of the floor is avoided.

The utility model relates to the technical field of parallel groove clamps, and provides a copper-aluminum composite special-shaped parallel groove clamp which comprises a lower clamping block, the bottom of the lower clamping block is movably connected with a cushion block, and a bolt body is movably sleeved with the cushion block. The top end of the bolt body penetrates through the lower clamping block and the cushion block, extends to the position above the lower clamping block and is movably connected with the inner wall of the lower clamping block and the inner wall of the cushion block in a sleeving mode, the outer surface of the bolt body is movably connected with an upper clamping block located above the lower clamping block in a sleeving mode, and the outer surface of the bolt body is connected with a nut body located above the upper clamping block in a threaded sleeving mode. The jacking mechanism is arranged at the bottom of the lower clamping block; and the jacking mechanism comprises a fixing block, the top of the fixing block is fixedly connected with the bottom of the lower clamping block, a circular shaft is fixedly connected into the fixing block in a sleeved mode, and the outer surface of the circular shaft is movably connected with a rotating rod in a sleeved mode. By means of the technical scheme, the problem that in the prior art, a bolt is prone to falling off is solved.

This utility model relates to the field of traffic connection equipment technology. It provides a prefabricated traffic connection device for load-bearing engineering maintenance, comprising: a mounting plate; connecting blocks fixedly connected to the front and rear sides of the right side of the mounting plate; a splined shaft movably sleeved inside each connecting block; the inner side of the splined shaft penetrating the connecting block and extending to the outside of the connecting block, and movably sleeved with a movable block; and a traffic connection frame movably connected to the outer surface of the movable block. The prefabricated traffic connection device for load-bearing engineering maintenance provided by this utility model, by setting up a splined shaft, movable blocks, a traffic connection frame, a threaded rod, and a limiting rod, allows the device to be quickly assembled on-site using prefabricated components, thereby meeting the needs of rapid emergency response and minimal interference. Furthermore, compared to integrated devices, it offers greater flexibility and repeatability, solving the technical problems of lack of flexibility and repeatability in existing technologies.

The utility model belongs to the technical field of welding rod machining devices, and discloses a low-temperature-resistant welding rod machining device which comprises a base, a driving motor is fixedly installed on the right side of the inner surface of the base, and the other end of an output shaft of the driving motor is fixedly connected with a double-thread lead screw. Through the arrangement of the driving motor, the double-thread lead screw, the sleeving blocks, the hinge rod and the connecting block, an operator starts the driving motor to enable the double-thread lead screw to rotate, and the rotation of the double-thread lead screw drives the two sleeving blocks to move oppositely under the limiting action of the rectangular groove and the rectangular block; a connecting block and a lifting plate are driven to move upwards through a hinge rod, so that the bottom ends of rolling wheels enter a base, meanwhile, the bottom end of the base can make contact with the ground, the contact area of the whole device and the ground is increased, then the stability of the device is improved, an operator cannot accidentally move in the feeding and discharging process, and the working efficiency is improved. And the welding rods can be conveniently loaded and unloaded by operators.

The utility model relates to the technical field of LED lighting devices, and discloses an LED lighting device for a cultivation surface, which comprises a top plate, vertical rods are fixedly mounted on the front side and the rear side of the bottom of the top plate, movable rods are movably sleeved on the outer surfaces of the vertical rods, mounting blocks are fixedly connected to the bottoms of the movable rods, and the mounting blocks are fixedly connected to the bottom of the top plate. And a fixed shaft is fixedly mounted on the inner side of the mounting block. By arranging the vertical rod, the movable rod, the clamping groove and the inserting rod, when an operator needs to adjust the height of the LED lamp tube, the pushing plate can be pulled outwards to drive the inserting rod to move outwards, so that the inserting rod is separated from the interior of the clamping groove outwards, and the fixing effect between the vertical rod and the movable rod can be relieved; and at the moment, an operator can adjust the height of the LED lamp tube by adjusting the height of the movable rod, so that the operator can rapidly adjust the height of the LED lamp tube, and convenience is brought to the operator in use.

The utility model belongs to the technical field of leg rehabilitation training devices, and discloses a leg operation patient rehabilitation training device which comprises a bottom plate, limiting blocks are movably connected to the front side and the rear side in the bottom plate, and a stool located at the top of the bottom plate is fixedly installed at the tops of the limiting blocks. A fixing plate is fixedly mounted on the right side of the top of the bottom plate. Through the arrangement of the fixed plate, the rectangular plate, the long plate, the inclined plate and the gear, an operator starts the motor at first, the motor runs to enable the rotating shaft to drive the gear to rotate, the gear enables the teeth to drive the long plate to move, and the long plate moves simultaneously under the limiting cooperation of the rectangular plate and the fixed plate; at the moment, the long plate enables the inclined plate to rotate to extrude the stool, the stool stably moves to the left side under the limiting of the limiting block, the distance between the stool and the pedal device is reduced, and the effect of adjusting the distance can be achieved.

The utility model relates to the technical field of collector box bodies, and discloses a multi-channel collector box body which comprises a supporting rod, the top of the supporting rod is fixedly connected with a rectangular box, the interior of the rectangular box is fixedly connected with a mounting plate, the interior of the mounting plate is provided with a net opening, and the interior of the back face of the rectangular box is provided with a mounting hole; the sealing mechanism is arranged on the front surface of the mounting plate; wherein the sealing mechanism comprises a driving motor. By arranging the driving motor, the rotating rod, the circular shaft and the baffle plate, when the driving motor runs, the rotating shaft drives the rotating rod to rotate, so that the rotating rod extrudes and pushes the circular shaft to move leftwards, the baffle plate moves leftwards to seal the net opening, and the purpose of automatically sealing the net opening is achieved; the problem that the net opening cannot be normally used due to the influence of moisture is solved, and the protection performance of the device is improved.

The utility model relates to router technical field, and disclose a kind of pressing tool for portable router processing, including processing mesa, four corner of the bottom of processing mesa is fixedly connected with mounting bracket, the inside of the front of mounting bracket is movably sleeved with handle no. The utility model is provided with telescopic plate, vertical plate, fixed rod, insert block and adjusting rod, when rotating handle no. When rotating handle no. 1, it will make rotating rod start rotating, so that rotating rod extrusion pushes sleeve rod, and let sleeve rod drive telescopic plate and vertical plate under the limiting effect of fixed rod, carry out horizontal right movement, so that insert block is separated from the inside of adjusting rod, so as to remove the fixing effect of adjusting rod, after pulling adjusting rod to the length required, rotate handle no. 1 again, so that insert block is inserted into the inside of adjusting rod again, restore the fixing effect of adjusting rod, finally realize the function of independent adjustment of the length of each adjusting rod.

The utility model belongs to the technical field of wrapping machines, and discloses a wrapping machine for wires and cables, which comprises a bottom plate, a mounting column is fixedly mounted at the top of the bottom plate, two fixing boxes are fixedly mounted at the top of the mounting column, and the two fixing boxes are fixedly connected with each other. By arranging sponge wheels, a gear, a tooth plate and a first spring, a wrapped wire can pass through the space between the two sets of sponge wheels, so that the sponge wheels are extruded to move outwards, a connecting rod drives a circular shaft to rotate, the circular shaft drives the gear to rotate, the gear drives the tooth plate to move, and the wire is wound through the first spring. The two toothed plates move oppositely, at the moment, the first spring is stretched, reverse elastic force can be generated under the elastic force recovery effect, the sponge wheel can be attached to the surface of the electric wire, and the wrapping tape overlapping part of the surface of the electric wire is compacted.

The utility model discloses a continuous casting distributor which comprises a connecting shell, a rotating shaft mounting sleeve is fixedly arranged on the rear side of the connecting shell, a connecting circular plate is arranged on the front side of the connecting shell in a lap joint mode, a fixed circular plate is arranged on the front side of the connecting circular plate in a lap joint mode, and an alignment assembly is arranged in the fixed circular plate. The fixing effect of the fixing assembly on the connecting circular plate and the fixing circular plate is relieved, the mounting shell drives the fixing circular plate to be separated from the connecting circular plate, then the replaced mounting shell drives the fixing circular plate to make contact with the connecting circular plate, the positions of the connecting circular plate and the fixing circular plate are fixed through the fixing assembly, and therefore the mounting shell is replaced; according to the continuous casting distributor, the mounting shell is replaced with the mounting shell provided with the outlet pipes with different numbers and different radiuses, so that the continuous casting distributor can meet the use requirements of different products, and the situation that the whole continuous casting distributor needs to be replaced after the discharging pipes are damaged is avoided.

The utility model relates to silkworm cocoon picking technical field, specifically disclose a kind of quick cocoon picking device for silkworm, comprising: support mechanism and assembly in the support mechanism on cocoon picking mechanism;The support mechanism includes support frame, the inside sliding installation of support frame is equipped with support plate, multiple matrix arrangement distribution's aperture is opened in the support plate;The cocoon picking mechanism includes fixedly installed in the top of support frame's fixed frame, sliding installation is equipped with moving plate on the fixed frame, the bottom fixed mounting of moving plate is equipped with multiple with the aperture corresponding top box;The utility model can utilize cutter to be attached in cocoon board square down the inner wall of moving, can cut off the silkworm silk between cocoon board square and silkworm cocoon, can remove the fixed effect of silkworm silk to silkworm cocoon, utilize intercept cloth to be able to quickly eject silkworm cocoon cocoon board square, avoid the situation that silkworm cocoon causes deformation, can protect silkworm cocoon to avoid causing damage.

The utility model belongs to building equipment technical field, and disclose a kind of building outer wall tensioning assembly, including outer wall form, the left side swing joint of outer wall form is equipped with fixed block, the right end fixed connection of fixed block has connecting rod.The utility model sets up rotating lever, movable wheel, rectangular block and double thread rod, and operator inserts connecting rod from the back of outer wall form, then moves the plate and is sleeved on the outer surface of lead screw, by rotating rotating block, so that double thread rod can drive two rectangular blocks to move towards each other, so that round block can extrude and push the inner surface of sliding slot, in turn drive two rotating levers to rotate inward, in turn make movable wheel can extrude and push outer wall form, so that multiple points simultaneously exert pressure on outer wall form, in turn ensure the stability of outer wall form when pouring, simultaneously facilitate operator to operate from the inside of outer wall.

The utility model discloses a dust filter box which comprises a box body, a hollow pipe is fixedly arranged on the box body, a filter element cylinder used for filtering dust is arranged in the box body, a box door groove and a positioning mechanism are arranged on one side of the box body, and the box door groove and the positioning mechanism are used for people to take and place the filter element cylinder. The limiting device is arranged in the box body and is used for limiting the position of the filter element cylinder. According to the utility model, along with the use of the sealing mechanism, the hollow pipe and the filter element cylinder are subjected to short-time discontinuous work, then the fixing effect of the filter element cylinder at the dead center position of the positioning mechanism can be relieved through the use of the adjusting mechanism, the filter element cylinder is pushed, and then the filter element cylinder is rotated through the use of the rotating mechanism. The positioning mechanism is arranged in the box body, so that the positioning mechanism can drive the filter element cylinder to rotate by 120 degrees in the box body, namely the filter element cylinder is located on one side of the push plate, and the structure can quickly replace the filter element cylinder without influencing continuous filtering work of dust.

The utility model relates to the technical field of numerically-controlled machine tool accessories, and discloses a numerically-controlled machine tool rotating type tool changing frame which comprises a wheel disc, the bottom side of the wheel disc is connected with a rotating frame through a stabilizing assembly, the front side of the wheel disc is fixedly connected with a plurality of containing sleeves, and the containing sleeves surround the front side of the wheel disc with the front side of the wheel disc as the center. An auxiliary shaft is fixedly connected to the center of the front side of the wheel disc, an abutting wheel is fixedly connected to the outer wall of the auxiliary shaft, a second motor is installed in the wheel disc, the driving end of the second motor is fixedly connected to the rear end of the auxiliary shaft, a through groove is formed in the side, close to the abutting wheel, of the containing sleeve, and an abutting assembly is arranged in the through groove. The abutting assembly is connected with the front side of the wheel disc through a reset assembly. According to the utility model, the abutting and fixing of the cutter can be relieved more conveniently, so that the cutter can be stored and taken more quickly, the cutter replacement efficiency of the numerical control machine tool is improved, and the working speed is increased.

The utility model relates to the technical field of medical appliances, and discloses an excrement collection container for laboratory medicine, which comprises a container body, the top cover sleeves the top of the container body in a threaded manner; the positioning assembly is arranged at the top of the container body and below the top cover; the collecting assembly is arranged at the bottom of the top cover and inside the container body and can be used for collecting excrement; the measuring assembly is arranged on the front face of the container body; the dismounting and mounting mechanism comprises a dismounting and mounting assembly and a fixing assembly. Through the arrangement of the clamping blocks, the connecting springs and the push blocks, the clamping blocks can be pushed to integrally move in opposite directions under the elastic action of the connecting springs, so that the mounting block is clamped and fixed, the whole collecting spoon is fixed below the top cover, and the push blocks can be pushed to be opposite to each other during disassembly, so that the clamping blocks are separated from the inner wall of the mounting block, and the collecting spoon is disassembled. The fixing effect on the mounting block and the collecting spoon can be relieved, and finally, the whole collecting spoon can be taken down for use.

The utility model relates to the technical field of cutting devices, and discloses a carrier tape cutting device which comprises a workbench, the top of the workbench is fixedly connected with a fixing frame, the top of the workbench is provided with a limiting assembly, and the top of the fixing frame is provided with an air cylinder. The cutting device for the carrier tape is provided with the motor, the lead screw, the moving blocks, the limiting plate, the screw rod, the lifting block and the lifting plate, the motor is started to drive the lead screw to rotate and drive the moving blocks to move at the same time, and due to the fact that the screwing directions of threads on the two sides of the lead screw are opposite, the two moving blocks move relatively; and then the distance between the limiting plates is adjusted according to the carrier tapes with different widths, the lifting plate on one side of the lifting block can be lifted up and down by rotating the screw with hands, the lifting plate can move downwards to the position above the carrier tapes for space limiting, adjustment is conveniently conducted according to the thicknesses of the different carrier tapes, and the practicability of the cutting device is improved.

This utility model belongs to the technical field of molding devices and discloses an easy-to-form mortar bonding strength molding device, including a base, with clamping blocks movably connected to the left and right sides of the top of the base. This utility model, by setting clamping blocks, sliding plates, clamping plates, and a movable plate, allows the operator to place the detachable molding frame on top of the cement test block body. By rotating the rotating threaded rod, the operator can cause the movable plate to move outward, thereby allowing the hinged rod to drive the two sliding plates to move in opposite directions through the connecting block. This allows the clamping plate to clamp and fix the detachable molding frame, preventing movement during pouring. The operator can also rotate the rotating threaded rod in the opposite direction to cause the clamping plates to move in opposite directions, thus releasing the fixing effect on the detachable molding frame. This facilitates the operator in changing detachable molding frames of different sizes.

This utility model relates to the field of storage rack technology and discloses an automotive parts storage rack, comprising: a base plate, with a first support rod and a second support rod fixedly connected to the front and rear of the top of the base plate, respectively; a first placement plate fixedly connected to the outer surface of both the first and second support rods; and a connecting block fixedly connected to the bottom of the first placement plate; and a partitioning mechanism disposed at the bottom of the inner cavity of the connecting block. This utility model, by setting a first spring, a pin, a gear, and a baffle, allows the pin to be pulled downwards, causing it to compress the first spring and move downwards. When the pin separates from the outer surface of the gear, the fixing effect on the gear is released. At this time, pulling the handle rotates the baffle 90 degrees, and then releasing the pin, the pin moves upwards under the elastic force of the first spring and engages with the gear, thereby fixing the gear and achieving the purpose of partitioning the first placement plate.

The invention belongs to the technical field of scenic spot facilities, and discloses a declarated photo query device for scenic spots, which comprises a query device body, sun shields are movably mounted in the left and right sides of the query device body, and first springs are fixedly connected to the rear ends of the sun shields. The rear end of the first spring is fixedly connected with the inner wall of the query device body, and a clamping groove is formed in the bottom end of the sun shield. By arranging a sun shield, a clamping block, a movable plate and a push block, an operator can push the push block inwards to enable a push rod to drive a hinge rod to move so as to drive the movable plate to move downwards when a picture cannot be seen clearly due to the fact that sunlight shines on a screen during use, and a vertical rod can pull the clamping block to be separated from the interior of a clamping groove downwards; and at the moment, the first spring pushes the sun shield to move towards the outside of the query device body under the elastic force recovery effect, so that the sun is shielded, and the use experience of the user is improved.

The utility model relates to the technical field of welding rod processing, and discloses a hydraulic welding rod powder coating machine which comprises a bottom plate, a mounting frame is fixedly connected to the rear of the top of the bottom plate, and a pneumatic cylinder is fixedly connected to the top of the mounting frame. Through the arrangement of the first threaded rod, the moving block, the connecting rods, the clamping block and the limiting block, when the first motor starts to operate, the first threaded rod rotates, so that the moving block horizontally moves forwards under the limiting effect of the connecting frame, the two connecting rods move, and the clamping block moves forwards under the limiting effect of the connecting frame. The two connecting rods drive the two clamping blocks and the two limiting blocks to horizontally and oppositely move correspondingly, then the fixing effect on the hydraulic welding rod is relieved, the function of conveniently disassembling and assembling the hydraulic welding rod is achieved, the efficiency of disassembling and assembling the hydraulic welding rod by an operator is improved, and the labor intensity of the operator is reduced.

The utility model belongs to the technical field of iron oxide black stirring equipment, and discloses iron oxide black manufacturing stirring equipment which comprises a shell, a sealing door is hinged to the bottom of the front face of the shell, a fixing plate is fixedly mounted at the top of the front face of the sealing door, and a mounting plate is fixedly mounted at the front end of the left side of the shell. And a pneumatic cylinder is fixedly mounted on the left side of the mounting plate. By arranging the sealing door, the fixed plate, the movable block, the round block and the guide plate, an operator firstly starts the pneumatic cylinder, the pneumatic cylinder operates to enable the movable block to move towards the left side, the movable block drives the round block to move towards the left side together, the round block moves to extrude the fixed plate, the fixed plate drives the sealing door to rotate together, and then the sealing door is opened. At the moment, the sealing door relieves the sealing effect on the front face of the shell, and the iron oxide black in the shell automatically leaves the interior of the shell under the guiding effect of the guiding plate.

The utility model provides a concrete spiral vibrating device which comprises a fixing frame, supporting frames are movably connected to the left side and the right side of the bottom of the fixing frame, and through the arrangement of a threaded rod, a moving block, a connecting rod, a fixing block and a connecting plate, when a driving motor starts to operate, the threaded rod rotates, and the fixing block rotates to drive the threaded rod to rotate; a moving block horizontally moves rightwards under the limiting effect of a limiting rod, so that a connecting rod moves, at the moment, under the limiting effect of a supporting frame, the connecting rod extrudes and pushes a fixing block, and the fixing block drives a fixing frame and a connecting plate to vertically move upwards; and finally, the fixed plate and the rectangular plate drive the spiral vibrating rod to ascend together, the function of adjusting the height of the spiral vibrating rod is achieved, and through the technical scheme, the technical problem that in the prior art, the vibrating effect is poor is solved.

The utility model relates to the technical field of sports skipping ropes, and discloses a sports skipping rope with wide applicability, which comprises a mounting sleeve, clamping holes are arranged on the front side and the rear side of the outer surface of the mounting sleeve, and a partition plate is fixedly sleeved in the mounting sleeve. According to the rope skipping device, by arranging extension rods, fixing blocks, handles and bolts, when an operator needs to perform rope skipping, second anti-skid foam rubber can be pulled outwards while clamping blocks are pressed inwards, so that the handles drive the extension rods to move outwards, and then the clamping blocks are extruded and pushed by the inner surfaces of clamping holes; according to the mounting sleeve, the clamping block can enter the extension rod, the extension rod can smoothly move outwards, the overall length of the mounting sleeve can be increased, the mounting sleeve can be suitable for being used by people of different body types, and an operator can release connection between the extension rod and the handle by rotating the bolt; and normal people can also use the device.

The utility model discloses a tower body base for full slewing tower crane belongs to full slewing tower crane technical field, and it includes support base, and the top of support base is overlapped with support frame, and the both sides of support frame are connected with L type board respectively, and one end of L type board is provided with the positioning board of joint with support base, and two limit clamping plates are slidably connected on support base, and two limit clamping plates are located at the other two sides of support frame respectively, and one end of limit clamping plate is provided with two auxiliary plates respectively towards two L type boards, and limit clamping plate can make auxiliary plate and L type board joint in activity, and the mobile control assembly of joint with two limit clamping plates is installed in support base. The utility model discloses through the clamping fixed operation of step by step, can effectively avoid the phenomenon that position deviation happens when support frame is assembled on support base, guarantees the stability after support frame and support base overlap fixed, and reduces the installation difficulty of the tower body base, guarantees the flexibility of the tower body base.

The utility model belongs to the technical field of temperature and humidity monitoring devices, and discloses a temperature and humidity monitoring device of a hotel air conditioner, which comprises a temperature and humidity monitoring body, a back plate is movably sleeved on the rear side in the temperature and humidity monitoring body, and round rods are fixedly mounted at four corners of the front surface of the back plate. According to the utility model, through the arrangement of the round rod, the first spring, the insertion block and the pressing block, when an operator needs to overhaul the interior of the temperature and humidity monitoring body, the pressing block can be pressed inwards to push the insertion block to move towards the interior of the fixed block, so that the insertion block is separated from the temperature and humidity monitoring body, and the maintenance of the interior of the temperature and humidity monitoring body is facilitated. At the moment, due to the fact that a first spring is in a compressed state, a push plate can be pushed outwards under the elastic force recovery effect, the push plate pushes a round rod backwards, the back plate automatically pops out of the interior of the temperature and humidity monitoring body, and an operator can conveniently detach the back plate.

The utility model discloses a capped reverse hanging membrane based on a large-span sewage pool, and relates to the technical field of reverse hanging membranes, the capped reverse hanging membrane comprises a sewage pool, a cover ring is arranged at the upper end of the sewage pool, a plurality of connecting rods are arranged on the surface of one end, far away from the sewage pool, of the cover ring in a surrounding manner, and a limiting ring is arranged at the other end of each connecting rod; a plurality of connecting assemblies are arranged at the edge of the cover ring, a laying assembly is arranged on the surface of the inner side of the connecting rod, a reverse hanging film body is arranged at the other end of the laying assembly, a plurality of first fixing assemblies are arranged on the periphery of the reverse hanging film body, and a plurality of second fixing assemblies are arranged in the center of the reverse hanging film body. According to the reverse hanging membrane body laying device, the purpose of rapidly laying the reverse hanging membrane body is achieved through the laying assembly, a worker can utilize the laying assembly to drive the periphery of the reverse hanging membrane body to move through the motor to flatly lay the reverse hanging membrane body, and the reverse hanging membrane body is more convenient to replace in a large-span sewage pool.

The invention discloses a cable branch box easy for cable maintenance, and relates to the technical field of cable branch boxes. A cable branch box easy for cable maintenance provided by the present invention comprises a machine body and the like, the machine body is rotatably connected with an opening and closing door, the machine body is fixedly connected with a diverter, the machine body is fixedly connected with paired power switches, a cable is connected between the diverter and the power switches, and one side of the power switches away from the diverter is also connected with a cable. The machine body is in sliding connection with paired moving plates, a sealing plate is rotationally connected between the paired moving plates, the sealing plate is fixedly connected with paired magnets which are longitudinally distributed, the machine body is in sliding connection with a guide frame, and the guide frame is in sliding connection with a first clamping block. By means of the sealing plate, the expansion air block and other components, the cable at the lower end can be clamped and fixed when needed, limiting and fixing of the cable can be quickly relieved during maintenance, the cable joint cannot be excessively shielded after unlocking, and therefore maintenance personnel can conveniently maintain the cable.

The utility model relates to fire -retardant paint technical field, and disclose a kind of decorative fire -retardant paint flame-retardant performance testing device, including shell, the back of the shell is fixedly connected with first motor, another end of the first motor output shaft is fixedly sleeved with No. 1 rotating shaft, another end of the No. 1 rotating shaft is fixedly sleeved with rotary plate, and the left and right sides of the outer surface of rotary plate are movably connected with sleeve rod. The utility model is provided with No. 1 rotating shaft, rotary plate, sleeve rod, connecting rod and push plate, when first motor is operated, No. 1 rotating shaft drives rotary plate to rotate, so that sleeve rod extrudes two connecting rods, and two connecting rods drive two push plates to move horizontally under the limiting action of shell, and finally, the combustion residues in the bottom of shell inner cavity are pushed into the inside of collecting box, the concentrated collection function of combustion residues is realized, and the subsequent test operation is avoided by the accumulation of residues.