44results about How to "Protect" patented technology

The invention discloses a soft capsule coating agent which comprises the following components in percentage by mass: 40-60% of pectin, 15-30% of a humectant, 10-20% of medium chain triglyceride, 10-20% of carnauba wax, 5-10% of hydroxypropyl methyl cellulose and 0.1-10% of glycerol, wherein the humectant is prepared from at least one of sorbitol, xylitol and isomaltitol. The invention also discloses a preparation method of the soft capsule coating agent and a soft capsule containing the soft capsule coating agent. According to the soft capsule coating agent disclosed by the invention, the problems of high-temperature and high-humidity deformation and caking of soft capsules and aging of capsule skins after long-time storage can be improved, and meanwhile, the soft capsule coating agent is good in barrier property and better in protection of soft capsule products.

The invention discloses a method for preparing a carbon product from waste heat of a graphitization box-type furnace, and relates to the technical field of carbon product manufacturing, and the method comprises the steps of carbon product pretreatment, in-furnace waste heat treatment, charging, calcination, waste heat calcination and carbon product post-treatment. The method has the advantages that after graphitization is completed, waste heat in the box-type furnace has a huge utilization value, a ventilation system in the furnace is accurately controlled, the constant temperature can be maintained, it is ensured that the waste heat uniformly acts on the carbon products, the atmosphere in the furnace can be effectively adjusted, and the carbon products are prevented from being burnt in the graphitization box-type furnace. According to the method, waste heat is utilized for calcination, the quality of the carbon products is further improved, energy consumption can be greatly reduced, the green and environment-friendly production target is achieved, meanwhile, the production period is shortened, the production efficiency is improved, and enterprises can produce more high-quality carbon products within shorter time.

The utility model discloses an insulating platform for an insulating centipede ladder, which comprises an insulating bottom plate, one end of the insulating bottom plate is provided with a first clamping piece, the other end of the insulating bottom plate is provided with a second clamping piece, the first clamping piece is used for being connected with an insulating centipede ladder body, and the second clamping piece is used for being connected with a supporting rod of the insulating centipede ladder body. An insulating fence is arranged on the periphery of the insulating bottom plate and used for protecting operators. The protective device has the advantages that the protective device is simple in structure and convenient to install, the operation range of operators can be enlarged, convenience can be provided for the operators to have a short rest in a working gap, meanwhile, the operators can be well protected, and the personal safety of the operators during operation is improved.

The utility model provides a hoisting device for heavy packaging, and relates to the technical field of hoisting, the hoisting device comprises a supporting frame, two X-axis toothed rails are symmetrically arranged at the top of the supporting frame, a sliding plate is slidably mounted between the two X-axis toothed rails, a Y-axis toothed rail is arranged on the sliding plate, and a retracting and releasing device is slidably mounted on the sliding plate; a lifting rope is arranged at the bottom of the winding and unwinding device, and a lifting hook is fixedly installed at the end of the lifting rope. And any one of the X-axis toothed rail and the Y-axis toothed rail is provided with a driving assembly. In order to solve the problem that mechanical damage is caused to a hoisting device by swinging when the heavy package is hoisted due to the fact that whether the winding device can not be accurately located over the heavy package or not, a driving assembly and a locking assembly are arranged, so that the winding device can move to the position over the heavy package in advance when the heavy package is hoisted, and the heavy package is prevented from being damaged. And then the heavy package is hoisted and carried.

This utility model discloses a wafer support ring holder for proton irradiation of wafers, relating to wafer irradiation processing. It includes a wafer tray, which is the main tray. The top surface of the wafer tray has an irradiation width region, within which several wafer support rings are arranged. Each wafer support ring is circular, and adjacent wafer support rings are evenly spaced within the irradiation width region. The wafer tray is made of 5051 aluminum alloy. This utility model improves the wafer placement method by structurally adding support rings. Through welding fixtures, the center of the wafer is precisely aligned with the irradiation center, ensuring irradiation accuracy. This utility model optimizes the wafer handling operation by structurally designing the support rings as two-lobed pieces with a gap in the middle, facilitating alignment and flipping operations with a vacuum pen, reducing damage to the wafer during manual handling.

The invention relates to the field of seismic signal processing, and discloses a surface wave suppression method and device based on three-dimensional conical filtering and mean value weighting. The method comprises the following steps: performing three-dimensional conical filtering processing on original seismic data to obtain processed first data; determining noise data according to the original seismic data and the first data; performing preset surface wave prediction processing on the noise data to obtain processed second data; and determining de-noised data according to the original seismic data and the second data. Through the combined use of the two methods, the advantages of the two methods can be complemented, effective signals are well protected while the surface waves are effectively suppressed, and fidelity and amplitude-preserving denoising are well realized.

The utility model relates to HDMI transmission line technical field, specifically is a kind of HDMI anti-interference transmission line based on multilayer shielding, including reel, HDMI transmission line and positioning assembly, the periphery of reel is wound with HDMI transmission line, the periphery of HDMI transmission line is equipped with positioning assembly;The HDMI transmission line includes first shielding layer, the periphery of first shielding layer is equipped with shielding braid, absorbing layer is arranged between first shielding layer and shielding braid, second shielding layer is arranged in first shielding layer;By increasing multilayer shielding structure, using multilayer shielding mode, improve the anti-interference performance of HDMI transmission line, improve the stability of work, to improve use effect.

This utility model relates to the field of busbar trunking technology and discloses a busbar trunking with a snap-fit ​​structure, comprising a first busbar trunking and a second busbar trunking, which are respectively connected to a first fixed frame and a second fixed frame. The busbar trunking body protective shell snap-fit ​​mechanism is provided on its surface, and the fixed frame surface is provided with a busbar trunking connection snap-fit ​​sealing protection mechanism. The busbar trunking connection snap-fit ​​sealing protection mechanism consists of a first sealing shell, a second sealing shell, a snap-fit ​​seat, etc., which can protect the connection point during busbar trunking connection, preventing dust and water from contacting the connecting copper busbars. Disassembly is easy by pressing the retractable snap-fit ​​block, facilitating maintenance and repair. The busbar trunking body protective shell snap-fit ​​mechanism includes a sliding groove and a protective shell, which can protect internal components and facilitates installation and disassembly. This busbar trunking solves the problems of insufficient protection at the connection point, difficult disassembly, and inconvenient maintenance of existing busbar trunking, effectively improving work efficiency and extending the service life of the busbar trunking.

The present invention discloses a filtering treatment device and a treatment method for smoke dust treatment, and the present invention relates to the technical field of smoke dust filtration. By setting a primary, secondary and tertiary filter assembly, dust of different particle sizes in the smoke can be filtered step by step from large particle size to small particle size, so as to achieve the effect of multi-stage filtration of smoke dust. Compared with the traditional single-layer filter bag filtration method, the present invention enables the dust in the smoke to be fully filtered; the primary, secondary and tertiary filter assemblies can continuously clean the surface of the filter bag passing through the dust cleaning assembly while rotating, so as to achieve the effect of self-cleaning by using the power of smoke dust. When the dust cleaning assembly cleans the primary, secondary or tertiary filter assembly, the primary, secondary and tertiary filter assemblies can still be in normal working state, and the smoke filtration process will not be interrupted, thereby ensuring the continuity of the smoke filtration process, and can also protect the filter bag to the greatest extent, and extend the service life of the filter bag.

The application relates to an electrostatic powder spraying process and relates to the field of surface coating processes. The electrostatic powder spraying process comprises the steps of aluminum material pretreatment, aluminum material surface treatment, aluminum material suspension, electrostatic spraying, solidification and unloading detection, and raw material powder comprises thermosetting epoxy resin, polyurethane resin, a curing agent, a dispersing agent, pigments, graphene oxide and precipitated barium sulfate. The application has the effect of improving the adhesion of the powder coating and the aluminum material.

The utility model discloses a kind of superimposed floor connecting devices, belong to superimposed board technical field, to solve the connecting assembly of superimposed board in prior art is multiple dependent on complex reinforcing bar anchoring, grouting sleeve etc. Connecting process, a large number of reinforcing steel positioning, formwork support and grouting operation need to be carried out on site, process is complicated and extremely high to operating precision requirement, and due to the connecting node structure between different components is complex, leading to construction personnel needs repeatedly debugging alignment, single connection time is often as long as several hours, seriously restricts construction progress, in addition, traditional connecting mode is strongly dependent on construction environment and worker technical level, when encountering low temperature, humid etc. Unfavorable condition, grouting strength grows slowly, further extends assembly cycle, it is difficult to meet the demand of modern building industrialization rapid construction. Including connecting frame, the two sides of the connecting frame are separately provided with inserting frame, the two sides of the connecting frame are provided with superimposed board body, and the side of the superimposed board body is separately provided with slot.

The invention provides an elastic composite material tire and an anti-impact driving wheel device, the elastic composite material tire comprises a tire base body and an elastic filling material, and the hardness of the tire base body is greater than that of the elastic filling material; the tire base body comprises a tire inner ring, a tire outer ring and a grid structure arranged between the tire inner ring and the tire outer ring, and partial grids of the grid structure are filled with the elastic filling material. The invention further provides an anti-impact driving wheel device. The anti-impact driving wheel device mainly plays an anti-impact effect in three aspects of absorbing impact force, isolating radial impact force and isolating axial impact force from the tire, has good anti-falling and anti-impact performance, and can effectively prevent the impact force borne by the elastic composite tire from being transmitted to a driving motor and damaging the driving motor; therefore, the driving motor, the control panel and other internal parts of the machine body can be well protected.

This utility model discloses a digital landscape model demonstration device, relating to the field of digital landscape model technology. It includes a housing with a top plate on top. A base is fixedly mounted on the top of the top plate, and a mounting frame is rotatably mounted on the upper end of the base. A digital landscape demonstrator is detachably mounted on the top of the mounting frame. A curved slide rail is symmetrically fixed to the top of the top plate with the base as the center. Support rods are symmetrically fixed to the side walls of the mounting frame. A T-shaped slide rod is fixedly mounted on the upper end of one support rod, limiting its sliding within the inner wall of one of the curved slide rails. A protruding rod is fixedly mounted on the upper end of the other support rod, sliding within the inner wall of the other curved slide rail. A locking bolt is threaded onto the end of the protruding rod away from the support rod, and the locking bolt movably fits against the side wall of the curved slide rail. Tightening the locking bolt ensures a tight fit against the side wall of the curved slide rail, allowing the device to be angled according to usage requirements, facilitating the demonstration of the landscape model.

The present invention proposes a multifunctional damper detection and loading device, which relates to the field of damper testing technology. The multifunctional damper detection and loading device includes a base, a frame, a support beam, a swinger and a loader. The support beam is horizontally arranged in the frame, and the swinger is respectively connected to the top of the frame and the support beam, so as to realize the reciprocating motion of the support beam. The loader includes a dynamic actuator and a static actuator, and the dynamic actuator and the static actuator are respectively arranged on both sides of the frame. The middle part of the support beam is rotatably connected with a direction conversion member, and the direction conversion member includes two rotating plates symmetrically arranged on both sides of the support beam, and the rotating plates are rotatably connected with the support beam, and the rotating plates can be hinged with the dynamic actuator and the static actuator respectively. The present invention can realize damper detection and loading in multiple states, and can realize dynamic loading and static loading of wall-type dampers. At the same time, the dynamic actuator is in the form of a double-rod, and can also complete the loading of the shaft-type damper on the outside of the frame.

The outdoor riding helmet assembly comprises a helmet, the helmet comprises a helmet shell, a buffer layer and a helmet lining pad, the buffer layer is fixedly connected to the circumferential inner wall of the helmet shell, the helmet lining pad is fixedly connected to the circumferential inner wall of the buffer layer, and the outer wall of the bottom of the helmet lining pad is fixedly connected with a fixing belt. A mounting block is arranged at one end of the helmet shell, and a mounting groove is formed in the bottom of the outer wall of one end of the mounting block; according to the helmet, the riding process and the scenery passed by riding can be recorded through the camera, the camera is arranged on the helmet, the shooting angle and range are good, the camera and the helmet are of an integrated structure, a worker wears the camera shooting structure after wearing the helmet, and then the helmet is convenient to carry and wear by a user; and through the arrangement of the mounting mechanism, a worker can conveniently detach the mounting block and the camera on the mounting block from the helmet, and the worker can conveniently replace or maintain the camera shooting structure.

The utility model relates to the technical field of heat supply device, and disclose a kind of solar central heating device, including solar collector, the rear side of solar collector is provided with auxiliary mechanism, and the solar collector includes heat pipe, the lower side of heat pipe is uniformly fixed and installed with vacuum tube, the lower side of vacuum tube is fixed and installed with circulating pipe, and the right end of heat pipe is fixed and installed by water inlet pipe.The utility model is rotated by starting servo motor two and makes screw rod drive long plate to move downward along long rod, so that shielding cloth is shielded to vacuum tube, compared with traditional solar central heating device, the solar central heating device of this kind is shielded to vacuum tube by shielding cloth, so as to effectively protect the left and right of vacuum tube, prevent high temperature in summer from causing medium vaporization in vacuum tube, cause system emptying or component damage condition, improve the service life of vacuum tube.

The utility model discloses a safety helmet hydraulic press protection device in the technical field of hydraulic press, including base, be provided with hydraulic mechanism on the base, the top of base is provided with the lower mould, the lower mould is connected through the translation component between base, the translation component can move the lower mould to the top front side of base. The utility model discloses through setting pressing plate, translation component, the staff can make the lower mould move to the top front side of base through translation component, then places the helmet raw material on the lower mould, again through drive component and makes the pressing plate rotate, and the edge of helmet raw material is pressed in the surface of lower mould, then again through translation component and moves the lower mould back to the original position, and the hydraulic operation can be carried out, and the helmet raw material compaction is also not stuck in the upper mould by the pressing plate limiting, when taking and placing the helmet raw material, the hand of staff will not be in the direct below of upper mould, thereby will not cause the harm to staff because of the hydraulic press exception, and forms the good protection to staff.

The invention discloses a self-injection locking distributed feedback single-frequency optical fiber laser, and belongs to the technical field of single-frequency optical fiber lasers, the self-injection locking distributed feedback single-frequency optical fiber laser comprises a laser body and an optical fiber patch cord, the side wall of the laser body is provided with an interface, the optical fiber patch cord is matched with the interface, and the optical fiber patch cord is matched with the interface. A cleaning box is arranged outside the interface, a cleaning cavity is formed in the cleaning box, the two ends of the cleaning cavity are open, the optical fiber patch cord and the interface extend into the cleaning cavity, a moving hole is formed in the side wall of the cleaning box, a moving block is slidably connected into the moving hole, a working cavity is formed in the moving block, and the working cavity is communicated with the cleaning cavity. And a grip is arranged on the side wall of the moving block. According to the self-injection locking distributed feedback single-frequency fiber laser, the cleaning box is arranged at the position of the interface of the laser body, the interface of the laser body and the optical fiber patch cord can be cleaned at the same time, the cleaning efficiency is improved, and therefore the performance of the self-injection locking distributed feedback single-frequency fiber laser is improved.

The present invention relates to a (meth) acrylate resin for an external film-forming composition and an external film-forming composition, wherein the (meth) acrylate resin for an external film-forming composition comprises: a (meth) acrylate monomer; the polar monomer is a hydroxyl-containing monomer or an amino-containing monomer or a combination of the hydroxyl-containing monomer and the amino-containing monomer, and the polar monomer accounts for 1-13 weight percent of the total weight of the (methyl) acrylate monomer and the polar monomer; an initiator; and a first solvent. The glass transition temperature (Tg) of the (meth) acrylate resin is less than-30 DEG C. The (meth) acrylate resin for the external film-forming composition can enhance the adhesion and water resistance of the external film-forming composition, and has good compatibility with the external film-forming composition.

The utility model discloses a split type inner ball cage and a rubber sleeve, and relates to the technical field of inner ball cages, when a first sealing sleeve and a second sealing sleeve are fixed on the inner ball cage through a fastening ring, the first sealing sleeve and the second sealing sleeve are respectively attached to and cover two ends of the inner ball cage to provide basic sealing, and the rubber sleeve is fixed on the inner ball cage. Then the sealing air bag sleeve is inflated through an air one-way channel formed by the air pipe and the one-way valve, the sealing air bag sleeve expands, the outer wall of one side of the sealing air bag sleeve can be tightly attached to the outer walls of the two ends of the inner ball cage, and tiny gaps generated between the first sealing sleeve and the inner ball cage and between the second sealing sleeve and the inner ball cage in the using process can be compensated through inflation; when the protection rubber sleeve deforms, the sealing air bag sleeve dynamically compensates the gap, the good sealing effect can be achieved, the probability that outside dust and sundries enter the inner ball cage through the gap is greatly reduced, lubricating grease is well protected, stable use of the inner ball cage is guaranteed, and the service life of the inner ball cage is prolonged. And the service life of the inner ball cage is greatly prolonged.

The utility model discloses a camera device, which relates to the technical field of cameras and comprises a bearing mechanism, a positioning mechanism is arranged at the bottom of the bearing mechanism, a protection mechanism is arranged at the front end of the bearing mechanism, and a camera body is arranged in the bearing mechanism. When a user needs to place the device on the ground, a threaded handle is screwed off firstly, then two extension plates are released from a sliding groove, a storage plate is matched with the two extension plates to enlarge the ground gripping area of the device, then the threaded handle is screwed on, the position of the storage plate is fixed, and the device is placed more stably through assistance of anti-skid lines; when the camera body is not used, the magnetic strip is attracted to the magnetic groove located below, the baffle protects the camera body, when a user needs to use the camera body, the user can rotate the baffle through assistance of the bearing till the magnetic strip is attracted to the magnetic groove located below, and at the moment, the baffle is fixed.

This invention relates to the field of leakage current detection technology, specifically disclosing a leakage current detection device for steelmaking electrical equipment. The device includes a portable leakage current detector, a drop-proof mechanism, and a leakage current detection component storage mechanism. The portable leakage current detector has a leakage current detection mechanism and is secured within a silicone protective shell. The top of the silicone protective shell has two through holes. A drop-proof air cushion is fixedly installed on the outside of the silicone protective shell, and a metal back plate is fixedly installed on the back of the silicone protective shell. This leakage current detection device and method for steelmaking electrical equipment utilizes the silicone protective shell and drop-proof air cushion to absorb impact force, reducing the impact of direct impact on the instrument. The metal back plate enhances structural strength and provides additional protection. This multi-layered protective design reduces the risk of damage due to accidents and improves the reliability and service life of the equipment.

The utility model belongs to the field of clamp, specifically is a kind of self-adapting positioning clamping function's slider processing clamp, including fixed base, the top of fixed base is passed and is equipped with installation slot, the top equidistance fixed mounting of fixed base has protruding block, three placement cavities are formed to four protruding blocks and fixed base cooperation, the inside wall of installation slot rotates with screw rod on one side, one end of screw rod is fixed with driving shaft, installation slot is detachably installed with guide rod, guide rod is located directly above screw rod, the diameter of guide rod is greater than the diameter of screw rod, three moving blocks are equidistantly screwed on screw rod;Through the structural design of fixed base, protruding block, placement cavity and limit block, when using the device to process slider, after placing multiple sliders on placement cavity, the clamping positioning of slider can be realized by the synchronous movement of multiple limit blocks, to improve the working efficiency of slider processing, reduce the labor intensity of repeated operation of staff.

The utility model discloses a pot and bowl dual-purpose milk pot which comprises a pot body structure, a fire blocking handle structure is fixedly installed on one side of the pot body structure, the pot body structure comprises a milk pot body, a flame blocking plate is fixedly installed at the bottom of the milk pot body in an embedded mode, an anti-scalding column is fixedly installed on the surface of the upper portion of the milk pot body in an embedded mode, and meanwhile a pot cover is installed on the milk pot body in a matched mode. The pot and bowl dual-purpose milk pot comprises a pot body structure and a fire-blocking handle structure, the fire-blocking handle structure comprises an operation handle fixed to one side of the milk pot body, a mounting ring is fixedly mounted at one end of the operation handle in a penetrating mode, and meanwhile a fire-blocking plate is fixedly mounted on the surface of the mounting ring. And when the pot body is used, the situation that flames extend upwards to cause burning damage to the operating handle is prevented through the flame baffle plate when the pot body is used.

The utility model discloses an alloy radio frequency water meter with anti -freezing function, including heating shell and water meter body, water meter body sets up in heating shell inside, heating shell inside bottom is equipped with heating wire, and heating shell inside is integrated with temperature sensor, heating shell outside surface is equipped with temperature controller, temperature controller is used for controlling the temperature of heating shell inside, heating shell top opening is equipped with the cover, heating shell both sides port is equipped with gland, and the gland is set up on the water supply pipeline, and is sealed between the water supply pipeline, the gland and cover are sealedly connected between heating shell. The utility model discloses a heating shell is set up to the space of water meter body around heating, like this can realize the purpose of anti -freezing to water meter body, and heating position does not contact water meter body, avoids the direct transmission of heat to water meter body and easily causes the internal component damage of water meter.

The utility model relates to the technical field of operating room medical instrument storage, in particular to a needle and thread blade storage device for an operating room. Comprising a box body, the top of the box body is detachably connected with a cover body, the box body is provided with a first storage area and a second storage area, and the first storage area is used for vertically and independently storing surgical needles; the first storage area is composed of a carrier and an access assembly connected to the carrier. The second storage area is composed of two first side edges and a second side edge connected between the two first side edges. The surgical needles and the blades are stored in different areas through the first storage area and the second storage area, so that the surgical needles and the blades are prevented from being disorderly placed, and the surgical needles can be popped out through the access assembly during use so as to be conveniently picked up; the blade is fixed through the blade storage body in an elastic expansion mode during storage, and compared with magnetic attraction, the blade can be well protected during storage, so that the cutting sharpness of the blade is prevented from being reduced.

The present invention relates to the technical field of preparation of surfactant for AKD, and specifically to a method for preparing an emulsifier for AKD with high charge density, comprising the following steps: S1, preparing an aqueous solution of cassava starch; S2, adding an oxidant to the aqueous solution of cassava starch, adjusting the pH value of the system, and keeping the temperature at a first temperature for reaction; S3, after the reaction of step S2 is completed, heating to a second temperature, adding alkali solution, heating to a third temperature, adding a cationic etherifying agent, and keeping the temperature for reaction; S4, adding acid to the reaction system in step S3 to terminate the reaction; S5, adding a dispersant to the reaction product of step S4, heating to a fourth temperature, cooling after keeping the temperature, and obtaining a finished product. The emulsifier for AKD prepared by the present invention has a charge density of 179-187meq / g, enhances the bonding strength with AKD particles, has a good emulsification effect, is simple in preparation method, and is suitable for industrial-scale production.

The utility model discloses a lamp installation base integrated with an induction module, which comprises a base body, an induction module, an electrical connection structure and an installation structure. The induction module is embedded in the internal structure of the base body, the induction module is connected to the lamp power supply line, and a heat dissipation structure for guiding heat dissipation is provided. A protective cover and an induction angle adjustment structure are also arranged on the base body to ensure the stable operation of the induction module and have good dust-proof, moisture-proof and heat dissipation performances. The structure of the utility model is compact, the installation is convenient, the induction performance is reliable, and it has remarkable practicability and progressiveness.

The application discloses a kind of installation methods of LNG film tank rigid foam filling piece, comprising: (1) according to the gap width between the two insulation modules of LNG film tank, rigid foam filling piece is cut, and cutting rigid foam filling piece is obtained;(2) the two contact surfaces of cutting rigid foam filling piece and LNG film tank are coated with glue, and the glued rigid foam filling piece is obtained;(3) the glued rigid foam filling piece is installed between the two insulation modules of LNG film tank;(4) the gap between the other side LNG film tank insulation module and the side of the glued rigid foam filling piece which is not glued is evenly installed with air bag, the air bag is inflated, and the glued rigid foam filling piece is compressed;(5) after the glue is completely cured, the gas in the air bag is released, and the air bag is removed, and the installation method is obtained.The application installation method is simple to operate, more efficient, more accurate installation, and can effectively protect the side of rigid foam filling piece and insulation module.

The utility model relates to the technical field of building construction, and discloses a coastal small high-rise building assembly type component hoisting alignment auxiliary device which comprises hoisting equipment, a prefabricated wall plate and an alignment auxiliary unit, the alignment auxiliary unit is movably connected to the lower portion of the hoisting equipment, the prefabricated wall plate is fixedly installed on the top of the alignment auxiliary unit, and the prefabricated wall plate is movably connected to the lower portion of the hoisting equipment. The alignment auxiliary unit comprises a movable vehicle body, a bearing frame, a diagonal bracing hydraulic cylinder, a supporting hydraulic cylinder, a pull rope, a winch and a restraining pipe sleeve. According to the hoisting alignment auxiliary device for the fabricated components of the coastal small high-rise building, manual transferring, carrying and construction can be replaced, the workload is reduced, the working efficiency is improved, meanwhile, the construction safety is guaranteed, by arranging the rotary clamping blocks, prefabricated wallboards can be borne more safely and effortlessly before installation, and the construction efficiency is improved. And meanwhile, the wallboards are kept inclined at the beginning so that the wallboards can be adjusted to be vertically installed, the whole device is protected by arranging the inclined supporting hydraulic cylinders and the supporting hydraulic cylinders, and the overall bearing capacity is improved.