1975results about How to "Save installation time" patented technology

The invention discloses a mounting method for a water distribution ring pipe of an impulse turbine, and relates to the technical field of water turbines. Comprising the following steps: determining a runner pitch circle; the Z axis coincides with the circle center of the rotating wheel pitch circle; determining a rotating surface; determining a positioning surface; determining a positioning basis; setting a plurality of positioning lines; mounting a fork pipe, wherein the center of an outlet flange of the fork pipe is on a corresponding positioning line; determining the mounting angle of the fork pipe; the distance between the end surface of the outlet flange and the positioning surface is equal to a theoretical value; fixing the fork pipe; the steps are repeated until all the fork pipes are fixed; all straight pipes of the water distribution ring pipe are placed and fixed, and installation of the water distribution ring pipe is completed; when the straight pipe and the fork pipe are welded, due to existence of welding stress, the end face and the positioning face of the outlet flange need to be continuously measured to ensure that the end face and the positioning face of the outlet flange are parallel and the distance is equal to a theoretical value. The problem that the water distribution ring pipe is inconvenient to mount and measure due to the size and the weight of the impulse turbine can be solved.

The invention discloses a radiation protection shielding door convenient to adjust, and belongs to the technical direction of radiation protection, the radiation protection shielding door comprises a protection door mounting frame, and the protection door mounting frame is provided with a first radiation protection shielding door, a first moving pulley, a second moving pulley and a second radiation protection shielding door; the first radiation protection shielding door is arranged on the protection door mounting frame in a sliding mode, and the second radiation protection shielding door is also arranged on the protection door mounting frame in a sliding mode and located on one side of the first radiation protection shielding door. The single door or the double doors can be selected for radiation protection shielding operation according to different sizes of entrances and exits of operation rooms, the applicability is wider, the single door or the double doors can be rapidly switched, operation is convenient and fast, the complexity is low, the sealing performance of the two groups of radiation protection shielding doors can be improved through the protection gaskets, and the service life is prolonged. Meanwhile, abrasion between the two groups of radiation protection shielding doors can be avoided, and the service life of the door body is prolonged.

The invention discloses a mounting and measuring device for a water distribution ring pipe of an impulse turbine, which relates to the technical field of water turbines and comprises a measuring mechanism and a measuring and positioning plate. The measuring mechanism comprises a base with a horizontal adjusting mechanism; a supporting column is mounted on the base; a measuring arm is rotationally connected to the supporting column, and the rotating axis of the measuring arm is collinear with the center line of the unit. A positioning assembly and a first adjusting mechanism which are matched with the centers of a plurality of outlet flanges are arranged between the measuring arm and the supporting column; the central line elevation of the measuring arm is equal to the elevation of the water diversion blade of the bucket through the first adjusting mechanism; the mounting position of the outlet flange on each water distribution ring pipe joint is positioned through a positioning assembly; the measurement positioning plate is mounted on the outlet flange, and the measurement positioning plate is parallel to the measurement plate when the water distribution ring pipe is mounted; the measuring plate can adjust the elevation so as to eliminate errors caused by deformation of the long arm. The problem that the water distribution ring pipe is inconvenient to mount and measure due to the size and the weight of the impulse turbine can be solved.

The invention discloses a multi-layer steel structure modular structure intelligent mounting platform, and particularly relates to the technical field of steel structure mounting, the multi-layer steel structure modular structure intelligent mounting platform comprises a supporting plate, a sliding frame, a push-up electric cylinder and a distance synchronous adjusting mechanism; wherein the interval synchronous adjusting mechanism comprises a linkage frame, a linkage frame, a linkage screw rod, two threaded sleeve blocks, a gear motor, a bearing sleeve block, a rotating shaft, an induction block and an interval sensor, and a first-stage synchronous adjusting mechanism is arranged on one side of the linkage frame; wherein a two-stage synchronous adjusting mechanism is arranged at the top end of the rotating shaft. By means of the interval synchronous adjusting mechanism, the interval distance between two first-stage platform rotating points can be adjusted synchronously, intelligently and accurately according to the specified distance, so that the installation efficiency of the modular structure of the multi-layer steel structure is greatly improved, and the problems that a large amount of installation time is wasted due to the fact that installation is large in limitation, and the installation cost is reduced are solved. And the installation efficiency is greatly reduced.

The invention discloses an automatic discharging device of a welding line, belongs to the technical field of advanced manufacturing, and aims to solve the problems that an existing device is low in installation efficiency, and the safety risk of a working place is increased due to reduction of the suction force of a suction cup. The automatic discharging device of the welding line comprises a vertical frame, a conveying belt is arranged on the vertical frame, a transferring device is arranged on the vertical frame in a sliding mode, a driving mechanism can drive the transferring device to move in the transverse axis direction of the vertical frame, the transferring device is located above the conveying belt and the containing platform, and a controller is arranged in the transferring device. Assembling and disassembling can be rapidly completed, the overhauling efficiency and the working efficiency are improved, meanwhile, air can be compressed to blow the surfaces of products, fine dust particles on the surfaces of the products are effectively removed, it is ensured that the suction cups and the surfaces of the products are well sealed, and then the adsorption effect is improved.

The utility model belongs to the technical field of photovoltaic equipment, and particularly relates to a photovoltaic silicon crystal plate multifunctional mounting rack which comprises a mounting plate, lead screws are rotatably connected to the two sides of the interior of the mounting plate, clamping plates are in threaded connection with the outer portions of the lead screws and located on the outer side of the mounting plate, and rotating shafts are rotatably connected to the upper portions of the interiors of the clamping plates. A pressing plate is fixedly connected to the exterior of the rotating shaft, and a base is arranged below the mounting plate; the utility model provides a multifunctional mounting rack for a photovoltaic silicon crystal plate, and solves the problems that in the prior art, the function of a photovoltaic plate is single, the photovoltaic plate is generally fixed on the mounting rack through a plurality of bolts during mounting, and when the photovoltaic plate is fixed through the bolts, workers need to screw the bolts in sequence with the help of tools, so that the working efficiency is high. The problems that an existing photovoltaic panel mounting frame is very troublesome to mount and time-consuming and labor-consuming to dismount, replace or maintain, and the existing photovoltaic panel mounting frame is mostly fixed and cannot be subjected to angle adjustment according to the irradiation direction of sunlight, so that the conversion efficiency of electric energy is relatively influenced, and the practicability is relatively poor are solved.

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The invention is suitable for the technical field of offshore photovoltaic power generation platforms, and provides a novel pipeline cross-shaped connecting structure which comprises cross-shaped hoops, the two cross-shaped hoops are clamped in a staggered mode and used for connecting a straight pipe and two disconnected pipes, each cross-shaped hoop comprises two locking hoops and a side plate, the two locking hoops of the same cross-shaped hoop are arranged in a crossed mode, and the two locking hoops of the same cross-shaped hoop are connected through the side plate. Side plates are arranged on the side walls of the locking hoops; each of the two lower-end double-stand-column pipe fittings comprises two stand column inserting pieces and a connecting part, and the connecting part is used for connecting the two stand column inserting pieces; and each pedal connecting piece comprises a horizontal supporting plate and a matching hoop, and the horizontal supporting plates are arranged above the matching hoops. Therefore, good connection strength can be guaranteed, effective support is provided for the photovoltaic panel, the service life of the device is prolonged, the stand column can be primarily positioned, the matching precision of the stand column and other structures is improved, and the installation efficiency is improved.

The invention discloses a monitoring camera convenient to disassemble, and relates to the technical field of monitoring equipment.The monitoring camera convenient to disassemble comprises an installation frame and further comprises a disassembling device.An installation rod is fixedly installed at the bottom of the interior of the installation frame, an installation groove is formed in the surface of the installation frame, and an installation plate is slidably installed on the circumferential surface of the installation rod; a dismounting plate is arranged on the circumferential surface of the mounting rod, a supporting rod is fixedly mounted on the surface of the dismounting plate, a camera body is fixedly mounted at the top of the supporting rod, the mounting plate moves upwards to extrude the dismounting plate to move upwards, the dismounting plate moves upwards to drive the supporting rod to move upwards, and the supporting rod moves upwards to pop out the camera body. The mistaken touch prevention design can ensure continuous and stable operation of the monitoring system, monitoring interruption caused by mistaken touch disassembly of equipment is avoided, continuity and stability of the monitoring system can be kept, the monitoring camera is convenient to disassemble, and maintenance and replacement of the camera can be more convenient.

The invention provides an automatic turnover device for a cabin section. The automatic turnover device comprises a turnover elevator, a quick change device and a turnover clamp, the turnover lifting machine comprises a rack, a turnover lifting arm and a rotating platform, and the rack completes Y-direction horizontal movement along a ground guide rail; the overturning lifting arm completes Z-direction lifting motion along the rack, the overturning lifting arm completes X-direction horizontal movement at the fixed height of the rack, and a rotating platform at the working end of the overturning lifting arm completes rotating motion around the X axis; the quick-changing device comprises a main side and a tool side, the main side is mounted on the rotating platform, and the tool side is mounted on the overturning clamp; the overturning clamp is clamped on the cabin section, and the overturning elevator is connected with the cabin section through butt joint of the main side and the tool side of the quick-changing device; y-direction movement of an upper rack of the turnover lifting machine and X-direction movement of a turnover lifting arm implement accurate butt joint of the main side and the tool side of the quick change device, Z-direction movement of the turnover lifting arm implements lifting or placing of a cabin section, and a rotary platform of the turnover lifting machine rotates around the X axis to drive the cabin section to turn over.

The invention discloses a modularized box-type transformer substation shell which comprises a box frame, first side plates are installed on the two sides of the box frame in an inserted mode, second side plates are installed on the other two sides of the box frame in an inserted mode, a transformer substation built-in inner cavity is formed in the box frame in cooperation with the first side plates and the second side plates, and a top frame is fixedly installed on the upper portion of the box frame. A plurality of bottom plates are laid at the bottom of the box frame, and the bottom opening of the box frame is blocked by the plurality of bottom plates. In order to further improve the sealing performance and functionality of the transformer substation, the top frame is installed on the upper portion of the box frame, and the heat preservation shielding plate is inserted and pasted on the top frame, so that it is ensured that equipment in the transformer substation can stably operate under different weather conditions. Meanwhile, a plurality of bottom plates are laid at the bottom of the box frame, and the bottom plates not only can effectively prevent dust and moisture from entering the transformer substation, but also can be used as a supporting structure to enhance the overall stability of the transformer substation.

The invention discloses a building construction dust fall enclosure which comprises an enclosure water tank, connecting frames are fixedly mounted on the two sides of the enclosure water tank, atomization dust fall mechanisms are rotationally mounted between the two connecting frames and in the connecting frames, and a splicing mechanism is fixedly mounted at one ends of the two connecting frames; the wall water tank can be buckled on the outer surface of the splicing mechanism of another wall water tank through the splicing mechanism, so that splicing of the multiple wall water tanks is achieved, back plates are installed at one ends of the wall water tanks in a communicating mode, installation grooves are formed between the back plates in a sealed mode, and reciprocating push-pull mechanisms are fixedly installed in the installation grooves. The push-pull end of the reciprocating push-pull mechanism is rotationally connected to one end of the atomization dust falling mechanism. Through the design of the atomization dust falling mechanism and the reciprocating push-pull mechanism, dust falling dead angles caused by single-direction spraying can be effectively avoided through up-and-down and left-and-right swinging water mist spraying operation, and dust on a construction site is more thoroughly inhibited.

The invention relates to the technical field of electric energy meters, and discloses a guide rail type electric energy meter which comprises a shell and a guide rail, a sliding groove is formed in the bottom of the shell, the shell is installed on the guide rail in a sliding mode, a pair of wire inlet holes are formed in one end of the shell, a wiring hole is formed in the top end of the shell, and a pair of wire outlet holes are formed in the other end of the shell. A wiring board used for wiring is fixedly installed in the shell, a wire pressing mechanism is arranged above the wiring board, a binding post is movably installed in the wiring hole and penetrates through the wiring board, a wire pressing plate used for pressing wires is arranged on the binding post, and a compression spring is clamped at the bottom end of the binding post. The cover plate is movably clamped with the shell, and when the cover plate is closed, the cover plate abuts against the binding post and drives the wire pressing plate to press a wire end on the wiring board. An operator only needs to insert a wire end and then cover the cover plate, and does not need to screw a bolt, so that the installation time is greatly shortened, and the installation efficiency is improved.

The invention relates to the technical field of soil sampling, in particular to a soil humidity detection sampler for plant planting, which comprises a holding rod and a sampling barrel, the sampling barrel is connected to the bottom end of the holding rod, the front side of the outer wall of the sampling barrel is provided with a storage box and a fixing assembly, the top of the inner wall of the sampling barrel is provided with a telescopic rod, and the outer wall of the telescopic rod is provided with an extension spring. A round pushing block is arranged at the bottom end of the sampling barrel, first sliding grooves and mounting grooves are formed in the left side and the right side of the sampling barrel, the mounting grooves are located below the first sliding grooves, and L-shaped limiting rods are arranged on the two sides of the round pushing block and penetrate through the first sliding grooves. The sampling tube is attached to the inner wall of the sampling barrel, and soil enters the sampling tube during sampling, so that soil samples are prevented from being mixed due to the fact that soil sampled last time is left on the inner wall of the sampling barrel during sampling; and the sampling pipe needing sampling for the second time is mounted, so that sampling for the next time is facilitated.

The invention relates to the technical field of LED lamps, solves the problem that existing lighting equipment lacks a flexible and visual operation mode, and provides an LED strip-shaped ceiling lamp and an intelligent lighting control method thereof. The LED lamp comprises a lamp body bottom shell, a power supply module, a light source module, a control circuit and a dial switch, wherein the power supply module is electrically connected with the light source module; the light source module comprises a lens bottom plate, a lamp panel, a lens and a lens buckle. The light source module is connected with the lamp body bottom shell through the lens buckle. The power supply module is arranged on the lamp body bottom shell, the power supply module is electrically connected with the control circuit, the control circuit is electrically connected with the dial switch, the dial switch comprises a preset number of dial gears, and different dial gears correspond to different brightness values and color temperature values. The illumination effect of the lamp can be easily adjusted according to requirements, and the lamp is suitable for different environments and use scenes.

The invention relates to the technical field of nuclear fusion device engineering, and particularly discloses a transfer adjusting device and a transfer adjusting method. The adjusting assembly is movably arranged on the movable base, and the adjusting assembly is provided with an adjusting part; and the positioning assembly is arranged on the adjusting part and synchronously moves along with the adjusting part, the positioning assembly is provided with a plurality of positioning parts, the multiple positioning parts are arranged in the circumferential direction of the positioning assembly at intervals, and the positioning parts are suitable for being connected with the inner wall of the corrugated pipe so as to position the corrugated pipe. Through cooperation of the movable base, the adjusting assembly and the positioning assembly, the corrugated pipe is transferred and adjusted, and compared with a hoisting and manual on-site adjusting mode in the related technology, the operation difficulty is reduced, the butt joint precision is guaranteed, the overall workload is reduced, the installation time is shortened, and the working efficiency is improved.

The invention discloses an integrated image transmission terminal and method special for electric power based on a high-flux broadband satellite, and the terminal comprises an image collection module which is used for converting image information in a complex environment into an image data set, carrying out the fusion of the information through the image modes of an RGB image, a depth image and the like, and improving the understanding and processing capability of the complex environment; and the quick transmission interface is used for quickly transmitting the processed data to be displayed, and the transmission speed is high. Through the installation mechanism, the purpose of rapidly installing the image transmission terminal equipment is achieved, so that the installation process is simple and convenient, the stability is higher, the installation time is shortened during emergency use, great convenience is brought to a user, images are clearer in the transmission process through a DPM diffusion probability model algorithm, and the image transmission efficiency is improved. Therefore, the terminal equipment can receive useful information conveniently, and the data transmission rate and quality are improved.

The invention discloses a desert photovoltaic rotary cleaning type manipulator, and relates to the technical field of cleaning type manipulators, the desert photovoltaic rotary cleaning type manipulator comprises a fixed block, the top of the fixed block is provided with a limiting groove, the fixed block is slidably connected with a frame body through the limiting groove, and the interior of the limiting groove is fixedly connected with a reset spring; the side edge of the fixing block is fixedly connected with a middle plate, the two ends of the middle plate are rotationally connected with idler wheels, the side, close to the middle plate, of the fixing block is fixedly connected with an inclined block, the bevel edge of the inclined block is fixedly connected with an arc plate, and the side, close to the idler wheels, of the inclined block is fixedly connected with a brush. According to the desert photovoltaic rotary cleaning type mechanical arm, the limiting assembly is connected with a photovoltaic panel frame in a clamped mode, the desert photovoltaic rotary cleaning type mechanical arm can be easily combined with the photovoltaic panel frame, complex tools or tedious installation steps are not needed, the installation time can be greatly shortened, the cleaning work efficiency is improved, and the surface and the frame of a photovoltaic panel are effectively prevented from being scratched.

The utility model relates to the technical field of building thermal insulation outer wall punching, in particular to a building thermal insulation outer wall precise punching device which comprises a tooth frame, a fixing disc is fixedly installed at one end of the tooth frame, a rotating shaft is rotatably installed on one side of the fixing disc, and an adjusting disc is rotatably installed at the other end of the rotating shaft. A plurality of mounting openings are formed in one side of the fixed disc, extrusion assemblies are slidably mounted in the mounting openings, and a mounting plate is fixedly mounted on one side of the adjusting disc; according to the utility model, the fixing plates are diagonally and fixedly mounted in the specified area of the thermal insulation outer wall to be punched, and after the fixing is completed, the splicing blocks are gradually close to and inserted into the splicing groove blocks to lock the four positioning claws, so that the splicing blocks and the splicing groove blocks are fixed, and the tooth frame is fixedly mounted on the fixing plates; and the situation that a plurality of nuts need to be used for connection and fixation when a large-mass device is lifted is avoided, and the installation cost and time of the device are saved.

The utility model relates to the technical field of teflon cloth production, and discloses a cutting device for teflon cloth high-temperature cloth production, which comprises a working table, four first fixing plates are arranged on the upper surface of the working table, the two first fixing plates on the front side are fixedly connected with the working table, and the two first fixing plates on the rear side are fixedly connected with the working table. A fixed pressing plate is fixedly connected between the two first fixing plates on the left side and the right side, a movable pressing plate is arranged on the upper side of the fixed pressing plate, a first telescopic rod and a second telescopic rod are arranged on the upper portion of the workbench, a first motor is started to drive a first threaded rod to rotate, and finally the cloth tension degree is adjusted. The problem that an existing cutting device for teflon high-temperature cloth production is inconvenient to adjust the tension degree is solved, workers can conveniently adjust the tension degree of cloth according to actual use requirements, the flexibility of the device is improved, the cloth cutting quality and effect are improved, and the practicability is high. And meanwhile, the cloth tensioning degree adjusting efficiency is improved, the practicability is high, and the application range is wide.

The utility model discloses a pushing beam limiting support which comprises a working table, a limiting assembly is installed on the top wall of the working table, a plurality of sections of pushing beams are installed on the inner wall of the limiting assembly, and a supporting assembly is installed on the outer wall of the working table. According to the pushing beam limiting support, when multiple sections of pushing beams are welded, the pushing beams are vertically placed on the inner wall of a containing groove, a positioning pin drives a sliding seat to compress a spring in the inner wall of a mounting opening, the spring pushes a positioning block, the positioning pin is clamped into a corresponding positioning hole, and a sliding rod drives a screw block to move outwards in the inner wall of a screw cylinder; the semi-circular elastic clamping seat drives the rotating seat to be aligned to the positions of the multiple sections of propelling beams and clamped, so that when the multiple sections of propelling beams are welded, different sections can be limited and fixed, and therefore the welding fixture has good applicability during assembly, the overall installation time is shortened, the multiple sections of propelling beams can be limited and fixed, and welding is convenient.

The invention relates to the technical field of automatic assembly, and particularly discloses photovoltaic module assembly equipment and a photovoltaic module assembly method.In the photovoltaic module assembly equipment, a transmission part of a photovoltaic panel feeding assembly is used for bearing and transmitting a photovoltaic panel; the junction box feeding assembly is arranged on the rack and used for supplying junction boxes. The assembling assembly comprises a movable base, a gluing assembly and a picking assembly, the gluing assembly and the picking assembly are arranged on the movable base, the movable base is movably arranged on the rack and can reciprocate relative to the rack in the length direction of the rack, and the gluing assembly is movably arranged on the movable base in the width direction of the rack and is used for spraying glue; the pickup assembly is movably arranged on the movable base in the width direction of the rack, and the pickup end of the pickup assembly can pick up the junction box. Through the arrangement, the installation efficiency of the junction box is greatly improved; and meanwhile, the mechanical arm at the rear-end station is simple in working logic and lower in failure rate.

The invention relates to the technical field of manufacturing of agricultural machinery chopping systems, in particular to a welding device and method for welding a knife roll and a movable knife holder machining method. The device comprises a flexible platform, a rotating mechanism and a clamping mechanism, wherein the rotating mechanism and the clamping mechanism are vertically mounted on the flexible platform; the rotating mechanism comprises a fixed seat, a rotating seat and a positioning boss, the fixed seat is mounted on the flexible platform, the rotating seat is rotatably mounted at the top of the fixed seat, the positioning boss is mounted at the top of the rotating seat, and the fixed seat, the rotating seat and the positioning boss are coaxially arranged; the roller is vertically placed at the top of the rotating seat and is aligned by the positioning boss to be coaxial with the positioning boss; the clamping mechanism is located on one side of the rotating mechanism and used for clamping the movable tool apron. By arranging the rotating mechanism, the roller can be driven to rotate around the axis of the roller only by rotating the rotating seat, the gravity direction of the roller, the axis of the roller and the rotating axis are located on the same straight line, more labor and time are saved during overturning of the roller, and the working efficiency is improved.

The present invention relates to a building infill wall block laying equipment, including a block lifting frame system, a lifting platform system arranged on the block lifting frame system, and capable of moving up and down relative to the block lifting frame system; a lifting platform driving system arranged on the block lifting frame system, and used for driving the lifting platform system to rise and fall on the block lifting frame system; a block grabbing system fixed on the lifting platform system, and used for clamping and placing blocks; a block conveying system located between the block lifting frame system and the wall to be built, and used for conveying blocks to the wall to be built; a vertical mortar applying system, used for applying mortar to the brick joints between two blocks at the same height; and a horizontal mortar scraping system, used for applying mortar on the upper side of the blocks. The present invention is simple to manufacture, convenient to use, and can be disassembled for turnover; it realizes mechanized operation, changes the traditional method of climbing and installing by multiple people, is safe and efficient, and reduces labor intensity.

The offshore wind power platform tidal energy vibration reduction power generation device is in a circular truncated cone shape, is fixedly arranged on a sunken pile in a sleeving mode and comprises a bottom disc and a top disc, the diameter of the top disc is larger than that of the bottom disc, the two sides of the top disc are connected with a working platform on the upper portion of the sunken pile through cables, and a connecting structure is arranged between the top disc and the bottom disc. An annular locking structure is coaxially arranged at the top of the top disc and sleeves the sunken pile, horn-mouth-shaped flow guide structures are uniformly arranged on the side wall of the connecting structure, an impeller is arranged on the inner side of the connecting structure, an impeller mounting shaft is fixedly connected with a generator, and the generator is connected into a power storage device of the wind power platform. The effect of reducing the vibration amplitude of water flow impact on pile sinking is achieved, tidal energy is utilized for power generation, the height of the power generation device can be adjusted according to the rising tide condition, and the power generation efficiency is maintained.

The invention belongs to the technical field of novel fabricated buildings, and particularly relates to a method for forming an outer wall by multiple layers of wallboards and a steel structure, a plurality of wallboards which are mutually inserted are included, an outer wall layer is formed by pouring ceramsite and concrete, and an inner wall layer is made of aerated concrete; the assembling modules are formed by the C-shaped steel and the wallboards capable of being assembled, the connecting strength and stability between the wallboards are greatly improved during construction, the wallboards are installed on the H-shaped steel frame through laser ranging, radar positioning, a mechanical arm and the like, and a rigid and hard outer wall is built; the wallboard can be hoisted and inserted into the H-shaped steel structure at a time after the ground and the C-shaped steel are combined into a large panel, the multi-layer wallboard is of a double-layer new material structure or a sandwich new material structure, the whole wallboard is of a lightweight design, the overall weight of the wall is reduced, meanwhile, the excellent strength is achieved, and the wall bodies are assembled conveniently and rapidly.

The utility model relates to the technical field of gas-gas plate heat exchangers, and discloses a waste gas heat recovery gas-gas plate heat exchanger which comprises an upper shell and a lower shell, a plurality of fixing plates are uniformly mounted on the outer surface of the upper shell, limiting holes are formed in the two ends of the bottom of each fixing plate, and a plurality of mounting seats are uniformly mounted on the outer side of the upper end of the lower shell; the number of the mounting seats is equal to that of the fixing plates, the mounting seats and the fixing plates correspond to each other, cavities are formed in the inner sides of the mounting seats, sliding seats are fixedly mounted at the bottoms of the inner sides of the cavities, two sliding blocks are slidably connected to the upper ends of the sliding seats, fixing blocks are fixedly mounted at the upper ends of the sliding blocks, and inserting rods are fixedly mounted on the inner sides of the two fixing blocks; according to the heat exchanger, the protective shell which can be detached and separated vertically is arranged on the outer side of the heat exchanger body and can enter the heat exchanger body for inspection and maintenance, the maintenance efficiency is improved, meanwhile, the upper shell and the lower shell are allowed to be rapidly detached and reassembled, and the installation time is shortened.

The invention relates to the technical field of prefabricated formworks, in particular to an arc-shaped equipment foundation prefabricated formwork equally-divided assembling and reinforcing method which comprises the steps that firstly, lofting is conducted on plywood according to the foundation diameter, a corresponding circular formwork outline is cut out, and a bottom fixing plate and a top end fixing plate are manufactured; finally, the base is divided into an even number of bottom fixing plates and top end fixing plates according to the diameter of the base; equilong battens are cut according to the height of the foundation to form supporting assemblies, and the supporting assemblies are evenly distributed between the bottom fixing plate and the top end fixing plate and fixed through nails, so that a prefabricated circular-arc-shaped equipment foundation framework is formed; the corresponding circular-arc-shaped equipment foundation framework is assembled on the bottom plate, and a complete circular-arc-shaped equipment foundation prefabricated formwork is formed; flattening an iron sheet higher than the top end fixing plate on the fixing cambered surface; and after the internal iron sheet is fixed, a circle is defined on the fastening groove by using a reinforcing steel bar, and the joint is fastened by using an opposite-drawing lead screw and then is welded and reinforced at the joint.

The present invention discloses a car rearview mirror, which relates to the technical field of automobile accessories. It includes a mounting seat, a supporting mechanism, a protective shell and a mirror surface. The top of the mounting seat is movably provided with a supporting mechanism, and the top of the supporting mechanism is movably provided with a protective shell. The position of its internal components is effectively fixed by setting a fixing frame, so that it will not be offset with the shaking of the vehicle, and then the device is quickly installed and connected with the vehicle body by fixing the clamp bolt, which is convenient for its installation and saves installation time. It is sealed by a sealing gasket to prevent water from entering the inside and increase the service life of the device. At the same time, by applying force to the mirror surface, the mirror setting angle is adjusted by adjusting the rotating shaft, so that it is suitable for use by different groups of people. The device can better heat the mirror surface by setting an electric heating layer, better deal with the problem of fogging of the mirror surface, make the line of sight clearer, and effectively improve the practicality of the device, which is convenient for people to use.