65results about How to "Optimize location" patented technology

The invention discloses an electronic expansion valve and an air conditioning system, and relates to the technical field of electronic expansion valves.The electronic expansion valve comprises a first valve needle and a valve port assembly, the valve port assembly comprises a connecting base, a valve port ring and a pressing sleeve, the connecting base comprises a limiting part, a connecting part located below the limiting part and a hollow inner cavity, and the valve port ring is arranged in the inner cavity; the valve port ring is arranged in the inner cavity and abuts against the limiting part, the pressing sleeve is connected with the connecting part, the valve port ring and the limiting part axially press the valve port ring, the valve port ring is provided with a valve port communicated with the inner cavity, the first valve needle is movably arranged on the connecting base, and the second valve needle is movably arranged on the connecting base. And a flow path through which the connecting seat is communicated with the valve port is opened and closed. The technical scheme provided by the invention aims to solve the problems of separation and internal leakage of the sealing ring caused by insufficient limiting of the sealing ring by a valve port piece under the condition of a large-diameter valve port of the electronic expansion valve.

The invention relates to the technical field of reactors, in particular to a kneading-pressing type mixing reactor based on hydraulic drive and a working method, and the kneading-pressing type mixing reactor comprises a mixing cavity section module, a power source module and a microcontroller. Wherein the mixing cavity section module is provided with a flexible inner container used for containing materials, a plurality of independent flexible driving cavities are arranged outside the mixing cavity section module, and the mixing cavity section module comprises at least one annular cavity section and a base cavity section; the power source module conveys or recycles a working medium to each driving cavity through a pipeline system with an independent control valve and drives the driving cavities to expand or contract, so that local extrusion force is applied to the wall surface of the flexible liner from the outer side; the microcontroller controls all the valves to act according to a preset strategy and drives all the cavity sections to act cooperatively, so that the flexible inner container generates non-rotating modeling deformation kneading and pressing actions, three-dimensional mild mixing of materials is achieved, the safety risk of rotating components is fundamentally eliminated, and the problems that high-viscosity materials are poor in mixing uniformity and mixing heat release is difficult to remove rapidly are solved.

The utility model relates to the technical field of explosion-proof interphones, in particular to a portable explosion-proof interphone, which comprises an interphone body and a shell, the lower half part of the interphone body is provided with an arc-shaped side edge, and a positioning component is arranged in the shell; each positioning assembly comprises an arc-shaped rubber plate, a positioning block and a springback rod, the arc-shaped rubber plates are located on the lower half portion of the shell, the springback rods are fixedly arranged in the arc-shaped rubber plates, the positioning blocks are movably connected to the top ends of the springback rods in an inserted mode, and the two positioning assemblies are symmetrically arranged in the shell. A fixing block and an elastic bandage are arranged on the back of the shell, the fixing block is divided into a mounting block and a placing block, the placing block is fixedly arranged on the back of the shell, a mounting groove is formed in the middle of the placing block, and the mounting block is detachably arranged in the mounting groove through magnetic attraction. A user can select one or two to use simultaneously by himself / herself, and position changing, dismounting and mounting are convenient.

The utility model provides a headrest mechanism can be folded back to electric, including headrest assembly, screw rod drive mechanism, base, rotating shaft and fixed bolster, screw rod drive mechanism and fixed bolster all solid are established on the base, rotating shaft is rotatably connected on the fixed bolster, headrest assembly is fixed on the rotating shaft, screw rod drive mechanism is connected with rotating shaft through connecting rod mechanism, screw rod drive mechanism and connecting rod mechanism are rotatory connection, connecting rod mechanism and rotating shaft are fixed connection, connecting rod mechanism is rotatory connection still on the base, when screw rod drive mechanism drives connecting rod mechanism to move, can drive rotating shaft to rotate back, thereby drive headrest assembly to fold back, the utility model discloses can realize the big angle folding back of headrest assembly, whether the driver needs to adjust the headrest angle in the specific driving scene, or leans back and folds back, the headrest needs to fold back to the rear larger angle to realize the storage, and this structure can provide enough folding range, greatly enhanced the use convenience of headrest.

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 utility model provides an intelligent protection system control box for a power transmission and transformation grid, and relates to the field of circuit monitoring control boxes. The intelligent protection system control box for the power transmission and transformation grid comprises a control box body, bearing plates are arranged at the upper and lower ends in the control box body, adjusting plates are slidably connected to the interiors of the left and right ends of the bearing plates, limiting plates are slidably connected to the front and rear sides in the adjusting plates, and limiting holes meshed with the limiting plates are formed in the inner walls of the left and right ends of the control box body; an identification groove is formed in the front end side wall of the control box. When the intelligent protection system control box for the power transmission and transformation grid is used, control boxes are sequentially inserted into clamping frames, moving rods are pulled, blocking frames are rotated to be in a vertical state, the blocking frames limit the front ends of the control boxes under the action of reset springs, wire harnesses are connected with the control boxes from the rear ends of the control boxes, and the wire harnesses are sequentially inserted into fixing rings and penetrate through wire arrangement grooves; and the heat dissipation plate is butted with the control box after wire arrangement is completed. The device has the advantage of being suitable for installation of elements of various specifications.

The utility model provides a flower groove for landscape gardens, which relates to the technical field of flower grooves and comprises a shell, a flower groove body is arranged in the shell, a fixing ring is arranged in the flower groove body, a filter screen plate is arranged in the middle of the fixing ring, and a fixing block is arranged on the inner wall of the flower groove body. A clamping block is arranged on the side face of the planter body, a gasket is arranged on the left side of the clamping block, a threaded rod is arranged in the clamping block, and a rotating handle is arranged on the right side of the threaded rod, so that better breeding efficiency and growth environment of the planter are achieved, and the planter body can be stably fixed in the shell through the design of a fixing block and the clamping block; meanwhile, position adjustment and maintenance are facilitated, a threaded rod and a rotating handle are combined for use, convenience is provided for operation, a user can easily adjust the height and angle of the planter body, water management and moving carrying are facilitated through the design of a water collecting tank and a handle, and the use convenience and functionality of the landscape garden planter are overall improved.

The invention discloses a method for constructing an enclosure structure by adopting a hole pile method under a limited ground condition, which comprises the following steps of: constructing ground enclosure piles on the ground, arranging the ground enclosure piles along a first open excavation section and a second open excavation section, then constructing the first open excavation section and the second open excavation section, then constructing a pipe curtain support beam below a running track, and then constructing a pipe curtain, excavation is conducted from the first open excavation section and the second open excavation section to the direction, so that an underground excavation section is excavated, in-hole fender posts are constructed along the edge of the underground excavation section, in-hole piles are constructed at multiple positions of the ground of the underground excavation section, and steel pipe stand column piles are installed on the in-hole piles; and finally, a pile top beam is constructed on the steel pipe stand column pile, and a cover plate is installed on the pile top beam. According to the construction method, the ground fender posts are constructed firstly, then the in-hole fender posts are constructed when the underground excavation section is constructed, and the in-hole fender posts are connected with the ground fender posts to form a closed fender post structure, so that the safety of subsequent construction is guaranteed, the stability of a soil layer around the subway station is guaranteed, and meanwhile, the construction efficiency is guaranteed.

The utility model discloses a light solid waste crushing device for a construction site. The light solid waste crushing device for the construction site comprises a rack, a feeding bin, a crushing box, a power system, a discharging conveying mechanism and a dust suppression system. A pair of crushing rollers which rotate oppositely are arranged in the crushing box in parallel to form a crushing mechanism; the driven crushing roller is connected through an elastic buffer device, and a replaceable grid type sieve plate is arranged at the bottom of the driven crushing roller; the dust suppression system comprises a semi-closed cover which covers the feeding area and is provided with a spraying unit and a dust collection opening; and moving wheels are arranged at the bottom of the rack. The light solid waste crushing device for the construction site integrates the functions of double-tooth-roller crushing, particle size screening, multi-stage dust suppression and moving, is particularly suitable for treating light fragile building solid waste such as aerated concrete blocks, has the advantages of being high in crushing efficiency, good in dust control, uniform in discharging and convenient for transition operation in the construction site, and is suitable for popularization and application. And the problem of on-site crushing volume reduction is effectively solved.

The utility model relates to a kind of plate stitch welding support structures, belong to plate stitch welding support technical field.The plate stitch welding support structure, including: support frame, the top of the support frame is fixedly installed with two welding tables;Welding fixed mechanism, for the fixed support welding of plate the welding fixed mechanism is set on the side of welding table;Wherein, the welding fixed mechanism includes fixed installation in the support frame one side's bidirectional pump, the side of the bidirectional pump is provided with fixed assembly, the side of two welding tables is provided with support assembly;Fixed assembly can form negative pressure adsorption to the bottom surface after plate is placed to welding table, without additional configuration block can quickly, stably fixed plate, reduce before welding preparation, reduce displacement and positioning error, improve welding accuracy and efficiency;Support assembly supports and guides plate when fixed assembly does not work, facilitate smooth movement and position fine adjustment, improve station turnover and operation convenience.

The utility model discloses a multi -functional glass rack, the utility model relates to glass rack technical field. This multi -functional glass rack is including bottom plate, the bottom fixed mounting of bottom plate has universal wheel, the top of bottom plate is provided with and places mechanism: support subassembly, including the connecting shaft of intercalation installation in bottom plate one side, the top swing mounting of connecting shaft has the limit stop, the upper end swing mounting of limit stop has the connecting rod, the left end swing mounting of connecting rod has the support rod, through the position of fixed axle of slider both sides to limit fixed axle, make fixed axle present vertical installation between support rod and limit rod, the eccentric block of fixed axle outside group setting can limit the position of rubber sleeve, and rubber sleeve can play the role of support and protection to glass, and this mode can make glass horizontal arrangement between support rod and limit rod, when placing glass, just need to push inwards, can avoid the glass that has placed and block the placement of subsequent glass.

This utility model relates to the field of laboratory equipment technology, and in particular to an oil smoke point meter, including a smoke point box, a placement opening on the smoke point box, a temperature measuring device on the smoke point box, a heating device inside the smoke point box, a first power line for connecting to an external power source on the smoke point box, and an irradiation device inside the smoke point box for easy repositioning to irradiate smoke.

The utility model discloses a glass fiber board glue scraping plate, and relates to the technical field of glue scraping plates, the scheme is that the glass fiber board glue scraping plate comprises a glass fiber board, the lower surface of the glass fiber board is symmetrically and fixedly connected with two side plates, a connecting plate is connected between the two side plates in a sliding mode, and the bottom end of the connecting plate is connected with a glue strip in a sleeved mode. An adjusting mechanism matched with the connecting plate is installed in the glass fiber plate, the adjusting mechanism is arranged, the adjusting lead screw can be driven to rotate by rotating the rotary knob, the connecting plate and the adhesive tape can be driven to move up and down through the threaded hole under the action of the guide rod, the position of the adhesive tape is convenient to adjust, and the clamping mechanism is arranged, so that the adhesive tape is convenient to adjust. When the rubber strip is installed, the rubber strip only needs to be clamped at the bottom end of the connecting plate, at the moment, one end of the U-shaped clamping rod can be clamped into the clamping groove under the action of the spring, installation of the rubber strip is achieved, the rubber strip can be taken down only by pressing the end of the U-shaped clamping rod inwards when the rubber strip is disassembled, and operation is easy.

The application provides a design and construction method of a decorative integrated downpipe structure, which comprises the following steps: establishing a building model by using a curved roof modeling software, finding points of a special-shaped curved roof, and determining the elevation thereof; decomposing the building model into coordinate points by using a decomposed curved model software; connecting the coordinate points to form geometric lines by using a geometric modeling software, establishing a three-dimensional model, and preliminarily selecting the positions of eaves gutters and downpipes; giving sizes and physical properties to the geometric lines and performing collision analysis by using a physical model component analysis software, and optimizing the positions of the downpipes; reasonably planning a curved roof drainage scheme, optimizing the positions of the downpipes, guiding construction slope finding, improving the design and construction efficiency, and ensuring the normal operation of the drainage system. The downpipe is fixed by a light steel frame, is more stable, and is protected by a decorative shell which is arranged on the outer sides of the two light steel frames, so that the downpipe can be hidden and the building appearance can be beautified.

The utility model relates to the photovoltaic field, and especially relates to a shockproof, tensile and waterproof photovoltaic connector comprising a male head main body and a female head main body, the female head main body and the male head main body are mutually plugged and cooperated, a port of a plugging part of the female head main body is provided with a sealing ring, an outer end of the sealing ring abuts against a spacing compression ring, the spacing compression ring is sleeved on the male head main body, and the male head main body is sleeved on the spacing compression ring. The outer side of the limiting pressing ring is sleeved with a middle lock nut, the middle lock nut is matched with the limiting pressing ring in an abutting mode, and the middle lock nut is connected with the inserting portion of the female head body. Axial movement of the sealing ring is limited through the limiting pressing ring, the middle lock nut abuts against the limiting pressing ring, good supporting and position limiting effects on the middle lock nut are achieved through the limiting pressing ring, the male connector body and the female connector body are locked together through the middle lock nut, and the phenomenon that the male connector body and the female connector body are loosened due to vibration and waterproof failure is caused is avoided. The good sealing effect of the connector is ensured, and the electrical connection conductivity is more stable.

This invention discloses a flexible-rigid bonding mold with interchangeable usage states, comprising a flexible film mold roller, a hard film mold roller, and a snap-fit ​​part. The two ends of the flexible film mold roller are detachably connected to the hard film mold roller via the snap-fit ​​part. When the flexible film mold roller is mounted on the hard film mold roller, it is used for roll transfer printing to produce flexible film strips. When the flexible film mold roller is removed from the hard film mold roller, it is used for roll transfer printing to produce hard film strips. This flexible-rigid bonding mold allows for the interchangeable use of the flexible and hard film mold rollers, meeting the production needs of simultaneously producing both hard and flexible film strips on a single optical film production line, thereby reducing the cost of production line equipment.

This invention relates to a method for selecting disaster relief material reserve stations in a city. The method includes: S1, inputting relevant data of the city to be selected as a disaster relief material reserve station; S2, obtaining data features based on the relevant data of the city to be selected as a disaster relief material reserve station; the data features include: population distribution features, urban road network structure features, spatial location information features of urban infrastructure, geographic information features, and urban POI data features; S3, selecting the optimal area in the city as the city's disaster relief material reserve station based on the data features, a pre-set site selection model, and pre-set rules.

The utility model relates to the technical field of automatic feeding equipment of SMT (Surface Mount Technology) printing machines, in particular to an automatic feeding device of an SMT printing machine, which comprises a machine table, a sliding chute for adjustment is arranged on the surface of the top end of the machine table, a screw rod for adjustment is rotatably arranged in the sliding chute, a sliding seat in threaded connection with the screw rod is arranged in the sliding chute in a sliding manner, and the sliding seat is connected with the screw rod in a sliding manner. The surface of the outer wall of the machine table is provided with a speed reducer in transmission connection with the lead screw through bolts. In the using process of the material frame body containing the circuit board, the material frame body can be directly connected with the supporting plate on the surface of the sliding base in a clamped mode, under the limiting effect of the multiple sets of clamping blocks, the material frame body can be stably placed on the surface of the supporting plate, the position of the material frame body can be changed along with movement of the supporting plate, meanwhile, the material frame body is convenient to disassemble, and the practicability is high. And after automatic feeding of the circuit boards in the material frame body is completed, the material frame body can be conveniently and directly disassembled, and the material frame body filled with the circuit boards can be replaced, so that the feeding efficiency is improved.

This invention belongs to the field of gamma imaging technology, specifically relating to a gamma ray localization method based on a planar scintillator. The method includes the following steps: performing multi-point calibration tests on the direction and orientation of the planar scintillator using a collimated gamma ray source; calculating a normalized ratio variable; using the least squares method to fit the normalized ratio variable to a known incident position to obtain the key parameters in the two-dimensional coordinate calculation formula; training a neural network model based on a dataset; and for the gamma ray deposition location to be measured, performing rapid position calculation using the two-dimensional coordinate calculation formula, or performing high-precision position prediction using the neural network model. This invention significantly reduces the number of photoelectric readout devices and readout electronics channels while maintaining good position and energy resolution performance, thereby effectively reducing system costs. It has promising application prospects in large-area gamma imaging, radiation monitoring, and related engineering applications.

The utility model discloses a motor for mini lathe, include: shell, shell rear end port is installed with wiring board, and the rear end cover is covered on the wiring board, and the wiring board left and right sides are equipped with carbon brush holder respectively, and the shell rear end port left and right sides are equipped with the clamping gap respectively, and two carbon brush holders are clamped in two clamping gaps from back to front respectively, and two carbon brush holders are equipped with capacitor bin and carbon brush bin respectively, and two copper sleeves are respectively inserted in two carbon brush bins, and two carbon brushes are respectively inserted in the corresponding copper sleeve and contact with the commutator, and two capacitors are placed in two capacitor bins respectively, and two carbon brush holders are equipped with the replacement opening for replacing capacitor and carbon brush respectively, and two replacement openings are equipped with the apron respectively. The motor structure for mini lathe is compact, and the position of capacitor bin is optimized, so that the capacitor can be replaced when replacing the carbon brush, and the maintenance of the motor is more convenient.

The utility model provides a ton bag cleaning device which comprises a workbench, two movable rods, four supporting rods, four connecting rods, two first telescopic rods, two first sliding connecting blocks, two second sliding connecting blocks, a cleaning assembly, a lifting assembly and a moving assembly. The moving tracks of the two first sliding connecting blocks are located on the two sides of the middle of the workbench and are collinear. The lower section of the movable rod is in sliding connection with the first sliding connection block in the vertical direction; one ends of the two supporting rods are hinged to the two sides of the top end of the movable rod respectively, and the rotating faces of the supporting rods are coplanar and are perpendicular to the sliding direction of the first sliding connecting block. The second sliding connection block is connected with the upper end of the supporting rod in a sliding mode, and one end of the connecting rod is hinged to the second sliding connection block. The bulk material cleaning device solves the problem that bulk materials are attached to the interior of the ton bag, and cleaning efficiency is improved.

The invention relates to an array sensor-based stress field intelligent monitoring device and method, the device comprises a strain gauge, the strain gauge is connected with a detection box, the detection box comprises a box body, and a communication module, a power supply module, a processing module, a storage module and a data acquisition module which are arranged at the bottom of the box body, and the box body is also internally provided with a storage module; the communication module is used for being wirelessly connected with a mobile phone and a computer mobile terminal to realize wireless data transmission; the power supply module is used for supplying power to the detection device; the control module is used for receiving data of the strain gauges and performing real-time alarm when the damage level exceeds a threshold value through data processing; the storage module is used for realizing data storage; the data acquisition module is used for acquiring strain data and converting the strain data into stress data. The stress detection device is simple in structure, comprehensive in function and capable of working independently, and real-time monitoring, intelligent data processing, data storage, remote transmission and danger early warning of a local dangerous area are achieved through a single monitoring device.

The invention relates to the technical field of personnel position detection based on electronic equipment, in particular to a personnel position real-time identification method. A personnel position real-time identification method comprises the steps that firstly, one detection unit of a pressure sensor, an infrared induction unit and a millimeter wave radar is used for detecting the position of a person, and the detected position of the person is marked as a first target position; performing personnel detection on the first target position by using another method, verifying the position of personnel in the first target position, and marking the adjusted target range as a second target position; and finally, verifying the second target position by using the other one, verifying the position of a person in the second target position, and marking the adjusted target range as a third target position. The three detection units are used for detection in sequence, the target area can be verified step by step conveniently, the accuracy degree is higher, and the problem that in the prior art, false detection is caused by the adoption of a single detection unit, and consequently the experience of visitors is affected is solved.

The utility model relates to the technical field of turbidity point test equipment discloses a novel turbidity appearance detector, including fuselage, the inside setting of fuselage has adjusting assembly, adjusting assembly includes air cylinder, the air cylinder outer wall fixedly connected in the inside of fuselage, the air cylinder output fixedly connected with fixed block no.

The utility model discloses a kind of tank truck unloading butt joint fluid loading and unloading arm car, including trolley and rotary frame, the top end of the trolley is movably installed with rotary frame, the outer wall of the rotary frame is movably installed with turnover frame, the outer wall of the turnover frame is installed with fixed plate, the outer wall of the fixed plate is slidably installed with lifting plate, the outer wall of the lifting plate is symmetrically installed with mounting sleeve.The utility model not only realizes that loading and unloading arm car is conveniently unloaded to butt joint fluid of tank truck multiple positions, facilitates the position of conveniently inclined type adjustment to butt joint fluid of tank truck unloading, facilitates the height adjustment of conveniently to butt joint fluid position of tank body unloading, and facilitates the circumferential rotation adjustment to butt joint fluid position of tank truck unloading of unloading arm car, increase the range of tank truck unloading butt joint fluid, improve the convenience of loading and unloading arm car in to butt joint fluid of tank truck unloading.

The utility model provides a kind of lockset locking force detection device, detection device includes carousel, detection table, detection frame and detection component, detection component includes locking force electric cylinder, locking force sensor, locking shaft, lock cylinder latch cylinder and connecting piece, the device can adapt to different specifications, type strip lock detection, significantly improve detection efficiency, improve the accuracy and reliability of detection result, meet the requirement of high-precision detection for precision lockset.

This application relates to the field of SLA 3D printer technology, and particularly to a detection and placement mechanism assembly for a liquid temperature-measuring SLA 3D printer. This liquid temperature detection and placement mechanism assembly includes a frame, a material tank, a liquid temperature detection mechanism, a lifting screen mechanism, and a control system. The material tank's internal structure is divided into a main tank and a secondary tank by a partition plate. The liquid temperature detection mechanism includes a probe-type temperature detector for detecting the liquid temperature in the secondary tank. The lifting screen mechanism includes a second Z-axis linear drive component and a screen. The second Z-axis linear drive component drives the screen to move downwards and immerse it in the liquid in the main tank. This design effectively avoids interference between the probe-type temperature detector and the lifting screen, eliminating the need for operators to repeatedly confirm the probe's position or frequently adjust its orientation. It is convenient to use, saves manpower, improves efficiency, and enhances sensing accuracy. The probe-type temperature detector can flexibly adapt to accurate detection at different liquid levels, offering high flexibility.

The invention discloses a positioning and alarming mechanism suitable for multi-station continuous forging and pressing. The positioning and alarming mechanism comprises a positioning seat, a positioning core rod, a probe rod, a limiting piece, a spring and an inductor. A first step hole which is a blind hole and is provided with a first step surface is formed in the positioning seat; the lower end of the positioning core rod is mounted on the bottom surface of the first step hole; a second step hole which is a through hole is formed in the first step surface, and the spring and the sensor are located in the second step hole; a circle of convex ring surrounding the circumferential surface is arranged on the probe rod and divides the probe rod into an upper section rod and a lower section rod, and the lower section rod of the probe rod penetrates through the spring hole and extends into the second step hole; the limiting piece is installed on the first step face and limits the up-down moving range of the protruding ring below the limiting piece, and the top end of the limiting piece is lower than the top end of the positioning core rod. The positioning and alarming mechanism disclosed by the invention has positioning and alarming functions.

This utility model relates to an environmentally friendly aerobic fermentation chamber for liquid organic waste, belonging to the field of fermentation equipment technology. It solves technical problems such as the separation of organic waste for fermentation, incomplete fermentation of liquid organic waste, and the generation of odorous gases during fermentation. The environmentally friendly aerobic fermentation chamber for liquid organic waste includes a fermentation chamber and a biological filter. The fermentation chamber contains a solid-liquid separation workshop, a sedimentation tank, an aerobic tank, and a clarification tank. Slide rails are laid along the length of the fermentation chamber on the inner side of the horseshoe-shaped walls on both sides of the sedimentation tank, aerobic tank, and clarification tank. Movable stirring components are installed on the slide rails, allowing them to slide left and right. Filter material is filled into the biological filter to filter odorous gases within the fermentation chamber. This utility model enables solid-liquid separation of organic waste and, through different tanks, ferments the liquid organic waste more completely.

The utility model discloses a building thermal insulation material performance detection device which comprises a thermal insulation box, first electric guide rails are installed at the two ends of the middle in the thermal insulation box, a first driving motor is installed on one side of each first electric guide rail through the thermal insulation box, and first sliding blocks are symmetrically installed in the first electric guide rails. And a first sealing plate is mounted at the top between the two first sliding blocks on the same side. According to the utility model, the problems that the sealing performance between the building material and the detection frame is insufficient in the using process of the existing thermal insulation performance detection device for the building engineering material, the sealing performance between the building material and the detection frame is one of important factors for determining the accuracy of a detection result, and when the sealing performance between the building material and the detection frame is insufficient, the detection result is not accurate are solved; and cold and hot gas convection can be caused, so that the detection result is seriously influenced.