290 results about "Open cavity" patented technology

The invention relates to the technical field of semiconductor luminescence, and discloses a manufacturing method of a lens module, a mold, the lens module and a sensor device. The manufacturing method comprises the following steps: S1, arranging at least two cavity structures with upper and lower openings in the bearing part; the upper mold and the lower mold are each internally provided with a mold cavity with an opening in one side. And mold cavities of the upper mold and the lower mold extend into the cavity structure from the upper opening end and the lower opening end of the bearing part correspondingly to be aligned and closed. And a gap is reserved between the upper mold and the lower mold in the mold closing process. And S2, a mold cavity for mold closing is filled with the light-transmitting glue, and the redundant light-transmitting glue flows out through gaps in the peripheries of the upper mold and the lower mold and adheres to the inner wall of the bearing part. And S3, after curing, the upper mold and the lower mold are moved away, and a first lens and a second lens are formed in the two cavity structures respectively. The manufacturing method is simple and high in efficiency, and the manufactured sensor device is simple and stable in structure, good in sealing performance, high in precision and easy to optically design.

The present application relates to the technical field of automobiles, and provides an anti-fouling device for an automobile reverse camera, a control method and an automobile. The device includes: a cleaning chamber, which has an open cavity and is arranged close to the reverse camera, and a liquid spraying port and a blowing port are arranged in the cavity; two lenses, which are connected side by side along a plane and rotatably connected to the cleaning chamber, and the two lenses are respectively located in front of the reverse camera and in the cavity; a rotary motor, which drives the two lenses to rotate; a soft door, which is arranged on the opening of the cleaning chamber and has a door slit; a cleaning member, which is arranged on the inner wall of the cavity; a liquid sprayer is communicated with the liquid spraying port and can spray liquid into the cavity through the liquid spraying port; a hair dryer is communicated with the blowing port and can blow air into the cavity through the blowing port; a controller, which is respectively connected to the rotary motor, the liquid sprayer and the hair dryer. The present application has the effect of automatically cleaning the front lens of the reverse camera, ensuring the normal use of the reverse camera, and improving the safety of automobile driving.

An assembly tool for a belleville spring assembly is provided with a base, a telescopic boss, a telescopic boss driving device, a positioning stud and a locking nut. The telescopic boss driving device adopts a pneumatic mode and is connected with an external high-pressure air source; the base is a square pedestal, a cavity with an opening in the upper end is formed in the middle of the base and is of a stepped cylindrical hole structure, the diameter of a cavity body of the cavity is smaller than that of the bottom of the cavity, a telescopic boss is assembled in the cavity in a vertically movable mode, and a sealing ring is assembled between the inner wall of the cavity and the telescopic boss. The bottom of the cavity is communicated with the telescopic boss driving device through a gas pipeline; the telescopic boss is of a cylinder structure, and the upper end face of the telescopic boss is a horizontal plane. The positioning studs are fixed to the four corners of the base, and the locking nuts are assembled on the positioning studs. According to the utility model, the assembly quality of the belleville spring assembly is ensured, and the purposes of meeting the use performance requirements of the belleville spring and improving the working efficiency are achieved.

An integrated electronic brake system assembly electrical performance test platform disclosed by the present invention comprises a complete machine frame and a test execution mechanism, the test execution mechanism comprises a base plate, a clamping tool and a thrust test tool are installed on the base plate, the clamping tool comprises two clamping blocks and a positioning bottom block, the two clamping blocks are slidably installed on the base plate, and the thrust test tool is installed on the positioning bottom block. The positioning bottom block is used for supporting an assembly workpiece, the clamping blocks are internally provided with open cavities, the two clamping blocks are configured to be close to each other to slide and clamp the assembly workpiece through the open cavities, the clamping stability is improved, and the clamping blocks are matched with a thrust testing tool to perform force application testing on a push rod of the assembly workpiece. According to the invention, the test of related data can be automatically carried out only by connecting the assembly workpiece with the corresponding signal receiving equipment through the line and the pipeline, the working states of the assembly workpiece in different temperature environments can be simulated through the arrangement of the interlayer and the cooperation of the input pipe and the output pipe, and the diversification of the test data is improved.

An optical integrated circuit includes a substrate, at least one open cavity provided in said substrate, at least one set of optical waveguides for each open cavity, each set including a first optical waveguide and a second optical waveguide. The first and second optical waveguides are arranged in the substrate and include a first end facet ending in the open cavity of that set, and a first collimating element for each set. The first collimating element is arranged in the open cavity at or near the first end facet of the first optical waveguide to collimate light from that waveguide. A second collimating element for each set is arranged in the open cavity at or near the first end facet of the second optical waveguide to collimate light into that waveguide. A method for fabricating the same.

A reciprocating linear movement massaging apparatus, having a shell, a massaging assembly provided in the shell, a driving mechanism for driving the massaging assembly to perform reciprocating linear movement axially along the shell, and an electric control device for controlling the driving mechanism; the driving mechanism comprises a stator assembly and a mover assembly, an air gap is provided between the stator assembly and the mover assembly; the stator assembly comprises (an) annular coil(s) provided in the shell, the mover assembly comprises a plurality of magnets provided in the annular coil(s), the plurality of magnets enclose to be an annular magnet; the annular magnet is transmissively connected with the massaging assembly and the massaging assembly is located in an annular space enclosed by the annular magnet, and an open cavity is provided in the massaging assembly for receiving a human part to be massaged.

An electronic device can include a housing defining an internal volume and having a thickness, a pressure sensor disposed in the internal volume, a display assembly coupled to the housing, the display assembly including a transparent cover defining an external surface. The transparent cover can be separated from the housing to define an open cavity in fluid communication with an external environment, and a port can be defined by the housing and can extend within a thickness of the housing, the port extending from the cavity to the pressure sensor.

The application discloses a height adjusting structure of a shower rod upper slide seat, which comprises a shower rod and a slide seat arranged outside the shower rod, wherein a socket for placing a shower head is arranged on the slide seat, the socket is located on one side of the shower rod, and the slide seat comprises a slide seat body, an open cavity with an opening arranged at one end of the slide seat body, a through hole communicating with the cavity and penetrating through the slide seat body from top to bottom, the shower rod is arranged in the through hole, and the socket is slidably arranged at the opening; a friction assembly is movably arranged in the cavity and can be in abutting cooperation or separated cooperation with the side of the shower rod away from the socket; the socket is linked with the friction assembly, when the socket drives the friction assembly to be separated from the shower rod along the radial direction of the shower rod; and a reset member is arranged in the cavity and is used for providing a reset force for the friction assembly and the socket. The application does not need to additionally arrange a button or a knob, the slide seat can be driven to slide up and down by directly driving the socket, the structure is simple, the operation is convenient, and the appearance is more simple.

The invention discloses an acoustic cavity structure, a manufacturing method thereof and electronic equipment. The sound cavity structure comprises a middle frame assembly, a screen assembly and a loudspeaker, the middle frame assembly comprises a middle frame and a sealing dustproof piece, the middle frame comprises a first through hole, and the sealing dustproof piece comprises a second through hole. The sealing dustproof piece is attached to the second surface of the middle frame and covers the first through hole, and the first through hole is communicated with the second through hole. The screen assembly is attached to the first surface of the middle frame, and the loudspeaker is attached to the sealing dustproof piece. The loudspeaker comprises an open cavity facing the first through hole, and the open cavity, the second through hole, the first through hole and the screen assembly define an equivalent sound cavity of the loudspeaker. By adopting the loudspeaker with the open cavity, the thickness of the acoustic cavity structure can be reduced. In this way, the electronic equipment can be lightened and thinned, and meanwhile the equivalent sound cavity can be used for providing a working cavity with the same or higher size for the loudspeaker. The sound cavity structure can be effectively sealed, so that the electronic equipment can be effectively waterproof, and the audio performance of the loudspeaker can be ensured.

A method for manufacturing an implantable lead including an elongated lead body with a plurality of wires and an electrically isolating outer layer, wherein the method comprises:Providing a sleeve having a sealed end and an open cavity opposite the sealed end and including electrically conducting material;Pulling at least one wire out of the lead body;Positioning the pulled end of the at least one wire within the cavity of the sleeve;Forming the sleeve using a pressing tool such that the volume of the cavity is reduced, that the wire is fixed within the sleeve and that an electrical connection of the at least one wire and the formed sleeve is established;Attaching a contact element to the lead body such that the contact element fixes the formed sleeve at the lead body and establishes an electrical connection to the sleeve.

The utility model provides door bottom sound insulation sealing device belongs to door and window sealing technical field, the utility model provides door bottom sound insulation sealing device includes fixed base, sealing structure and lift adjusting assembly. The sealing structure is embedded in the fixed base, sealing structure can move up and down along the height direction of fixed base, and sealing structure is connected with lift adjusting assembly. When the press end of lift adjusting assembly is pressed, make the sealing structure move to the outside of opening cavity with the push part, thereby lift the sealing structure out of the outside of fixed base, the sealing structure fills the gap between the bottom of sound insulation door or sound insulation window and outer frame, thereby reaches the sealing sound insulation effect, and sealing structure sets up in the opening cavity, therefore when the sealing strip is aged, only need to replace sealing structure can solve the technical problem that the sealing strip aging leads to the poor sound insulation effect.

The utility model relates to the technical field of bone conduction product testing, in particular to bone conduction product testing equipment which comprises a bone conduction sensor device, a sound transmission and sound leakage prevention structure installed on the bone conduction sensor device, and a bone conduction receiver used in cooperation with the sound transmission and sound leakage prevention structure. The sound transmission and sound leakage prevention structure comprises a profiling receiver side part and a profiling receiver bottom part, and the profiling receiver side part is connected to the periphery of the profiling receiver bottom part in a surrounding mode to form a concave open cavity. A profiling sensor bottom is arranged at the bottom of the profiling receiver bottom, and the profiling sensor bottom and the profiling receiver bottom are oppositely arranged; according to the utility model, through the arrangement of the sound transmission and sound leakage prevention structure, when the bone conduction sensor device tests the bone conduction receiver, the vibration of the vibration transmission surface of the bone conduction receiver is transmitted to the bone conduction sensor protruding part of the bone conduction sensor device, and sound leakage between the vibration transmission surface of the bone conduction receiver and the bone conduction sensor protruding part is blocked; and the stability of test work is ensured.

The utility model relates to an SMD (Surface Mount Device) type miniature current transformer which comprises a rectangular transformer shell, one side surface of the transformer shell is provided with an open cavity, the center of the open cavity is provided with an insulating column arranged along the opening direction, the insulating column of the open cavity is sleeved with a circular ring-shaped secondary coil, and the secondary coil is provided with a secondary coil. The secondary coil comprises an annular iron core framework, a coil is wound on the iron core framework, binding posts are arranged at the two ends of the coil, epoxy resin is filled in the open containing cavity, and a sealing cover is arranged at an opening of the open containing cavity. A through core hole is formed in the insulation column, a wire column arranged in the opening direction is arranged at one corner of the open containing cavity, a through wire core hole is formed in the wire column, and a wire groove is formed in the outer side face, corresponding to the bottom face of the open containing cavity, of the mutual inductor shell. The core hole, the wire groove and the wire core hole form a U-shaped cavity, and a U-shaped primary coil is installed in the U-shaped cavity.

The golf club head comprises a club head body, a supporting assembly, a straight rod and a pressing assembly, a straight groove is formed in one side of the club head body, the supporting assembly comprises a supporting plate arranged on the straight groove, a cover plate is arranged on the supporting plate, and the supporting plate can rotate to drive the cover plate to form a closed cavity or an open cavity with the inner wall of the straight groove. The straight rod is fixedly connected to the supporting plate, the straight rod is at least sleeved with one balancing weight, the downward pressing assembly comprises a spring arranged on the inner top wall of the straight groove, the spring is connected with a pressing block, the spring can stretch out to drive the pressing block to be connected to the topmost balancing weight in a pressed mode, and the supporting plate is connected with the inner bottom wall of the straight groove through a connecting assembly and used for fixing the closed cavity. When the gravity center of the rod head body is adjusted, the number of the balancing weights on the straight rod can be directly observed, the number of sleeves on the straight rod is increased or decreased according to the number of the balancing weights, the supporting plate is rotated to drive the cover plate and the inner wall of the straight groove to form a closed cavity for containing the straight rod, and dust, grass clippings and other impurities are not prone to entering in the using process.

The cooking cage structure comprises a plurality of cooking cage frames, the cooking cage frames are stacked in the height direction, and each cooking cage frame is provided with an open rice dumpling containing cavity; supporting columns are arranged on the surfaces, provided with the rice dumpling containing cavities, of the cooking cage frames, the cooking cage frame located on the top layer is detachably provided with an anti-floating cover through the supporting columns, hanging and connecting pieces are arranged on the peripheral side of the anti-floating cover, and the anti-floating cover is connected to the cooking cage frames through the supporting columns and the hanging and connecting pieces. The detachable anti-floating cover covers the cooking cage frame on the top layer, so that the rice dumplings in the cooking cage frame on the top layer are prevented from floating in the water cooking process, the rice dumplings on the top layer are completely immersed in water and are uniformly heated, and the taste of the rice dumplings is improved; the anti-floating cover is detachably installed on the cooking cage frame on the top layer through the hanging pieces and is matched with the supporting columns to achieve rapid positioning and installation, and the working efficiency is improved.

The box structure for range hood and the range hood, the box structure comprises: fan box main body, the inside hollow forms the bottom and the front side open cavity, so that the fan system for range hood is arranged in it, the top wall of the cavity is equipped with the exhaust port for being connected with the air outlet of the fan system, the left and right side edges of the front side open cavity are all folded to the back and extend to the cavity interior to form the folded edge; the back of the cover plate is attached to the front side of the two folded edges to close the front side opening; the first stop piece is arranged on the back of the cover plate and is adjacent to or attached to the back of the two folded edges to block the cover plate from separating from the folded edge; the second stop piece is arranged on the back of the cover plate, above the first stop piece, and is supported on the top wall of the cavity and connected between the top wall of the cavity in a detachable manner; meanwhile, the first stop piece can be moved under the action of the actuator to release the constraint on the two folded edges. The application is convenient to disassemble and can ensure the structural stability.

The application discloses a kind of oil-water separation devices for collecting oil from floating oil in dirty oil pool, including first shell, first shell has multiple, multiple first shell is enclosed to be a closed area, support frame is arranged at the central position of the area enclosed by multiple first shell, support frame can rotate, and outlet and stirring member are set on support frame, oil-water mixture enters into first shell through outlet, first shell has upwardly open cavity, and the lower end surface of cavity has inclined bottom surface, water outlet is set at the central position of bottom surface, valve assembly is set in water outlet.In the use of the device, the oil-water mixture in the first shell can be extracted by the suction assembly, and the use of the limiting assembly can prevent the suction assembly from extracting the lower layer of water (or reduce the amount of water extracted), thereby facilitating the user to use the device.

The invention discloses an optical sensor for measuring gas components of mixing equipment, and belongs to the technical field of gas component detection. Comprising a plurality of arrayed measuring units, and each measuring unit comprises a laser and a detector; the measuring unit further comprises an optical assembly, an air suction cavity, an open type cavity and a main hollow roof prism which are sequentially arranged in the direction of an incident light beam emitted by the laser, the optical assembly is connected with the air suction cavity in a sealed mode, and the air suction cavity is communicated with the open type cavity; the laser and the detector are arranged at the same end of the optical assembly. The compact layout of each structure in the measurement unit is realized, and a plurality of reciprocating light paths are formed in the gas absorption cell formed by the suction cavity and the open cavity by utilizing the reflection of the main hollow roof prism and the optical component to the incident light beam, so that the absorption optical path required by various gas detection is ensured, and the detection accuracy is improved. And the measurement requirements of mixing equipment with various sizes are met.

The invention relates to the technical field of protective emergency masks and oxygen supply, and discloses a mine lifesaving escape oxygen supply mask which comprises a placing box body, a door plate and a pull ring, the door plate is hinged to the middle of one side of the placing box body, the pull ring is fixedly installed in the middle of the inner wall of the door plate, and an insertion buckle is annularly connected to the middle of the pull ring. One end of each inserting buckle is in a trifurcate shape, the adjacent portion of each inserting buckle is an open cavity and is irregular, the visual panel is arranged through the containing box body, miners can conveniently and visually check the state of the face mask, the smoke sensing device and the LED display lamp are combined, a fire disaster can be found in time, the position of the face mask can be accurately indicated, and it is ensured that the miners can rapidly find and use the face mask; the mask body is attached to the face, the soft cushion mouth-nose mask is arranged, the mask is comfortable to wear and free of oppression, the oxygen supply system effectively prevents oxygen from leaking and harmful gas from entering through the design of double filter screens and a sealing gasket, breathing safety is ensured, the oxygen inhalation port and the oxygen exhalation port are separated, gas backflow is avoided, and breathing smoothness is ensured.

A scraper calibration device of additive manufacturing equipment comprises a calibration base, a plurality of distance measuring instruments and a standard block, a stepped and open cavity is formed in the calibration base, and the calibration base is at least provided with a first supporting face, a second supporting face and a mounting face from bottom to top by forming the cavity, a plurality of distance measuring instruments are placed on the first supporting surface, a standard block is placed on the second supporting surface, and the bottom of the standard block is in contact with the tops of the distance measuring instruments; and after the calibration seat is calibrated by the standard block and the cavity is removed, a scraper assembly is placed between the mounting surface and the second supporting surface. The vertical dial indicator and the standard block are combined for calibration, compared with a feeler gauge in the prior art, calibration is more accurate, and for some materials with relatively low scraper strip hardness, as the top of the scraper assembly is installed on the calibration base through the screw, the scraper strip freely falls and is not influenced by the gravity of the scraper assembly, and the calibration accuracy is improved. Therefore, deformation caused by self weight of the scraper assembly can be greatly reduced.

The invention relates to the technical field of electric connection, in particular to a high-speed shielding connector which comprises an injection molding outer shell, a first shielding lower shell, a second shielding lower shell, a shielding upper cover, an insulating base, a conductive terminal and a connecting wire. The first shielding lower shell, the second shielding lower shell and the shielding upper cover form a shielding shell, and the injection molding outer shell is provided with a fixing cavity; the fixing cavity is used for fixing the shielding shell, and the plugging end of the shielding shell is exposed outside the fixing cavity; the first shielding lower shell is provided with an open type cavity, connecting vertical plates are arranged on the two sides of the open type cavity, the second shielding lower shell is arranged in the open type cavity, and the two sides of the second shielding lower shell are connected with the connecting vertical plates. Omnibearing electromagnetic shielding is provided for inner core connecting points of the conductive terminals and the connecting wires, mutual interference between internal high-speed signals and external complex electromagnetic environments is effectively isolated, and signal integrity is ensured.

The invention discloses an air test system design method suitable for pressure control of an open containing cavity. The method comprises the following steps that working condition requirements are determined, air source configuration is selected, a small-power air compression station and an energy storage tank are adopted, and the pre-inflation pressure is 0.8 MPa or 2 MPa; an AMESIM initial model is established, an air inlet unit adopts a plurality of small-drift-diameter high-frequency electromagnetic on-off valves to be connected in parallel to form a matrix type control valve group, and the matrix type control valve group is connected with an air compression station, an energy storage tank and a tested containing cavity to form a closed-loop control system; simulation verification is carried out, and pressure and flow curves are analyzed; optimizing the model and parameters, and adjusting the specification of the valve group until working conditions are met; and establishing an air test system which is established according to the optimization model and comprises a basic rack, a pressure air source, an air storage unit, a matrix type control valve group and a control system. According to the method, the defects of an existing design in the aspects of economy, reliability and full working condition meeting are overcome, rapid voltage building and stabilizing are achieved through high-frequency matrix control, the system resolution ratio and the response speed are improved, cost is reduced, and safety is improved.

The invention provides a P-type narrow cavity retardation low-frequency sound absorption metamaterial, and belongs to the technical field of sound absorption materials. The central honeycomb unit and the three P-type sound absorption units form a triangular assembly which is used as a basic structure of the sound absorption metamaterial; the P-type sound absorption unit comprises a P-type cavity defined by a top plate, a back plate and side walls, and the P-type cavity comprises an open cavity and a narrow cavity; the P-type sound absorption unit and the central honeycomb unit are made of hard materials, the cavity wall of the P-type cavity is coated with a flexible coating, and the interior of the central honeycomb unit is filled with a porous sound absorption material; the cross section of the narrow cavity of the P-type cavity in the direction from the top plate to the back plate is in a V shape, and a V-shaped slit is formed. Micropores are formed in a top plate of the P-type sound absorption unit, are distributed in the open cavity or the narrow cavity and are at least tightly attached to the side wall of one face of the P-type cavity. According to the invention, two sound absorption behaviors of prolonging a sound propagation path and geometric resonance by clinging the micropores to the cavity wall are simultaneously realized within a limited material thickness range.

The application provides airtight packaging structure of a cavity device, which comprises a semiconductor substrate, a first semi-open cavity is arranged on the front surface of the semiconductor substrate; a micro-electro-mechanical system layer is arranged above the front surface of the semiconductor substrate, a first region of the micro-electro-mechanical system layer and the first semi-open cavity form a first closed cavity; a displacement sensor is arranged in the first closed cavity; a cover plate is arranged above the micro-electro-mechanical system layer, a second semi-open cavity is arranged on the front surface of the cover plate at the position opposite to the first region of the micro-electro-mechanical system layer, and the second semi-open cavity and the first region of the micro-electro-mechanical system layer form a second closed cavity; and a bonding layer is arranged between the micro-electro-mechanical system layer and the cover plate, which is used for bonding the micro-electro-mechanical system layer and the cover plate together and sealing the second closed cavity. Compared with the prior art, the application can identify abnormal air leakage and air release of the cavity in the MEMS manufacturing process, provide basis for the improvement of the MEMS performance, improve the yield and reduce the cost.

The invention relates to the technical field of drawer side plate decoration accessory installation, and provides a drawer front connecting mechanism and decoration cover quick-assembly structure which comprises a decoration cover, the decoration cover is installed on a shell of a drawer front connecting mechanism, an open cavity is formed in the decoration cover, and a sliding connection guide part is arranged between the shell and the decoration cover; during installation, the decorative cover transversely moves relative to the shell through the sliding connection guide part, so that the shell is relatively inserted into the cavity of the decorative cover, and quick installation of the decorative cover and the shell is achieved. The decorative cover is provided with an open cavity, a sliding connection guide part is arranged between the shell and the decorative cover, and during installation, the decorative cover transversely moves relative to the shell through the sliding connection guide part, so that the shell can be inserted into the cavity to achieve quick installation.

The invention discloses a noise online monitoring microphone sensitivity comparison calibration device and method. The device comprises an open cavity, a microphone to be calibrated, a monitoring microphone, a pure tone generator, a sound guide tube and a control unit, wherein the open type cavity is provided with a first connecting end and a second connecting end which are oppositely arranged, the first connecting end is used for being communicated with the sound inlet side of the microphone to be calibrated, the second connecting end is used for being communicated with the sound inlet side of the monitoring microphone, and the side wall of the open type cavity is provided with a plurality of through holes communicated with the external environment. External noise can enter the open type cavity; the sound guide tube is used for communicating the pure tone generator with the sound guide interface of the open cavity so as to guide the pure tone output by the pure tone generator into the open cavity; and the control unit is in signal connection with the pure tone generator, the monitoring microphone and the microphone to be calibrated, and is used for adjusting the output of the pure tone generator based on a feedback signal of the monitoring microphone, so that after a pure tone sound field in the open cavity reaches a preset reference condition, the microphone to be calibrated is calibrated. And reading a return signal of the microphone to be calibrated to obtain the sensitivity or the sensitivity characterization value of the microphone to be calibrated.

The utility model relates to the technical field of brake handles, and discloses a combined power-off brake handle which comprises a handle, a support and a power-off component, one end of the support is provided with an open cavity, the handle is rotatably connected to the open cavity, the other end of the support is provided with a mounting seat, and the mounting seat is provided with a handle tube through hole matched with a handlebar tube. The power-off component is arranged on the front side of the open cavity and matched with an induction piece arranged at the front end of the handle to generate on-off signal output, and a steering switch assembly is detachably arranged on one side of the installation base. The problems that in the prior art, a power-off handle and a steering lamp switch are installed in a split mode, the structure is tedious, and operation is inconvenient are solved.

The utility model relates to a waterproof structure, in particular to a modularized waterproof protection plate device. Comprising an open cube frame body, an inner cavity of the cube frame body is divided into a plurality of small square cavities distributed in a latticed mode through a plurality of vertical partition plates which are arranged in a criss-cross mode, the interior of each small square cavity is divided into an inner cavity and an outer cavity through a transverse partition plate, one cavity is a closed cavity, and the other cavity is a closed cavity. One cavity is a closed cavity, a pressure air capsule is placed in the closed cavity, the other cavity is an open cavity, a steel wire is arranged in the middle of the open cavity, and a high-strength cementing material is poured in the open cavity; the outermost side of the device is a high-strength cementing material, the middle part of the device is a pressure air capsule buffer heat-insulating layer, and the inner side of the device is a special non-cured asphalt waterproof layer, so that a three-layer protection effect on a coiled material waterproof layer is achieved, the assembly type installation construction can be realized, the construction process is simplified, and the investment of manpower, materials and construction period is reduced.

The utility model provides a coating ring cutting device based on anticorrosive coating adhesive force detection. The coating ring cutting device comprises a machine body, a rotary drum, a driving structure and a positioning structure. The machine body is provided with a rotatable switching part. One end of the rotary drum is coaxially connected with the switching part, the other end of the rotary drum is provided with an open cavity, and an annular sawtooth part is arranged at a window of the open cavity. The driving structure is arranged on the machine body and can drive the switching part to rotate. The positioning structure is arranged on the machine body and provided with a contact part extending into the open cavity, and the contact part is provided with a positioning groove matched with the hanging end of the spindle. According to the coating ring cutting device based on anticorrosive coating adhesive force detection, manpower is reduced, the coating ring cutting device can adapt to a thick coating, it can be guaranteed that in the process that the rotating drum covers the spindle, the rotating drum is positioned, it is guaranteed that the rotating drum and the spindle are coaxially arranged, then it is guaranteed that an annular cutting seam and the spindle are concentric, and the service life of the spindle is prolonged. The final detection effect can be ensured, and the practicability is high.