60results about How to "Barrier entry" patented technology

The invention discloses raw material cleaning equipment for EPS foam material processing, and relates to the technical field of foam cleaning, and the raw material cleaning equipment comprises a composite mechanism. The raw material cleaning equipment for EPS foam material processing is designed through a composite mechanism. Raw materials enter from the top of the composite shell, water flow enters from the water inlet pipe, then the motor drives the center rotating shaft to rotate, the stirring mechanism stirs the raw materials, the effect of cleaning the raw materials is achieved, the effects of removing impurities and improving the product quality are achieved, and meanwhile subsequent machining equipment is prevented from being damaged by the impurities; in the rotating process of the central rotating shaft, the friction mechanism and the rotating mechanism are driven to rotate, and the friction mechanism rubs the inner wall surface of the equipment, so that the effect of cleaning materials on the inner wall is achieved, material adhesion is reduced, the adhered materials participate in cleaning operation, it is guaranteed that the materials are uniformly cleaned, and the influence on subsequent cleaning equipment is avoided; and then the materials are discharged from the output mechanism to facilitate subsequent operation.

The utility model provides a kind of sealing surface scratch-proof protection device for hydraulic flange processing, it is related to hydraulic flange processing technical field, including processing support platform, the upside of processing support platform is provided with sealing surface protection component, the sealing surface protection component includes the support steel platform installed on the upside of processing support platform, the outside of support steel platform is equipped with shock-absorbing rubber pad, the outside of shock-absorbing rubber pad is provided with hydraulic flange main part;Shock-absorbing rubber pad is sleeved to the outside of support steel platform, then hydraulic flange main part is sleeved to the outer surface of shock-absorbing rubber pad outside support steel platform, then after hydraulic flange main part is sleeved to the outside of shock-absorbing rubber pad, start sealing air pump, make inflatable sealing ring expand, to form tight fit to the top inside of hydraulic flange main part, effectively block outside impurity into sealing area, avoid metalworking chip into the inside of hydraulic flange main part, cause sealing surface to be damaged or influence subsequent assembly accuracy.

The invention belongs to the technical field of magnetic variable measurement, and particularly relates to a nuclear magnetic resonance magnetic variable measurement debugging device which comprises a mounting part, an inner supporting mechanism, a supporting mechanism, a control mechanism, a flow guide mechanism and an air inducing mechanism. The mounting part comprises a bearing bracket and a mounting box fixedly mounted on the side wall of the bearing bracket; the inner supporting mechanism comprises a bearing disc and a clamping jaw, the bearing disc is rotationally arranged on the inner wall of the bearing support, and the clamping jaw is slidably mounted on the outer wall of the bearing disc; the supporting mechanism comprises an arc-shaped frame and supporting rollers rotationally installed at the two ends of the arc-shaped frame. The arc-shaped frame is fixedly installed on the upper end face of the installation box. The control mechanism is used for controlling the clamping jaw to move; the air inducing mechanism comprises a control cylinder, an exhaust hood and an air inlet hood, the control cylinder is fixedly installed on the inner wall of the bearing support, and inner cavities of the exhaust hood and the air inlet hood are connected through the control cylinder; through cooperation of the structure, detection signal distortion is prevented, the magnetic variable measurement precision is greatly improved, and the full-detection requirement of batch production is met.

The invention relates to the field of photovoltaic modules, and particularly provides a photovoltaic module and a waterproof adhesive tape for the photovoltaic module, the waterproof adhesive tape comprises an adhesive tape main body, the adhesive tape main body comprises: a substrate layer; the supporting layer is arranged on one side of the base material layer; the blocking layer is arranged on the side, away from the base material layer, of the supporting layer; the water-blocking bonding layer is arranged on one side, far away from the supporting layer, of the blocking layer; wherein the water-blocking bonding layer can be fixedly connected with a laminated piece of the photovoltaic module. By means of the structure, the strength of the waterproof adhesive tape can be guaranteed through the supporting layer, the waterproof effect can be guaranteed through the blocking layer, and the bonding reliability of the waterproof adhesive tape can be guaranteed through the water blocking bonding layer.

The present invention provides a protective device and method for argon arc welding of gas turbine inserts, including a welding protective tool, wherein the welding protective tool includes a base, a cover plate, an adjusting screw and a bottom pad, wherein the upper end of the base is an arc surface structure, the lower end of the base is connected to the cover plate, and an argon gas channel is provided on the base; one end of the adjusting screw is connected to the lower end of the cover plate; the free end of the adjusting screw is connected to the bottom pad; the present invention utilizes a protective device to ensure an accurate welding position, prevent internal welding defects and welding cracks, and improve labor production efficiency and processing quality.

The utility model discloses a kind of external circulation oil return type sealing devices, comprising: sealing static ring, the sealing static ring is multiple arc static ring cover body, multiple arc static ring fixed flange and multiple static ring oil collecting groove composition, its static ring fixed flange is set in equipment cabinet or cover body end face, the equipment cabinet is far from the side of sealing static ring as sealing medium;Oil return pipe, set in the bottom of sealing static ring, and oil return pipe is communicated with equipment lubrication system, oil return pipe is used to guide flow lubricating medium in sealing static ring cavity to equipment lubrication system;Sealing dynamic ring, set on rotating shaft, and sealing dynamic ring is set in the inside of sealing static ring, the sealing dynamic ring is used to block lubricating medium and be thrown to the inner wall of static ring cover body on it.This utility model realizes online external installation, without changing original equipment structure, easy to install, no wear, long service life, easy to disassemble and maintain, by internal circulation flow guiding lubrication design, realize preventing lubricating medium leakage.

This invention discloses a synergistic hydraulic permeability enhancement and semi-permeable membrane-enhanced gas extraction system and method, belonging to the field of low-permeability coal seam gas extraction technology. The system comprises a dual-casing structure, hydraulic permeability enhancement drive, semi-permeable membrane negative pressure gradient extraction, and recovery circulation systems. The dual-casing structure mainly consists of a main water injection pipe and multiple outer casings, a main extraction pipe and multiple inner casings. The outer casings are equipped with jet nozzles, and the inner casings have gas extraction holes covered by a polytetrafluoroethylene (PTFE) semi-permeable membrane. The dual-casing structure system combines permeability enhancement and extraction functions. Precise hydraulic permeability enhancement is achieved through the outer casings, while the inner casings utilize the selective permeability characteristics of the semi-permeable membrane to enhance gas extraction, thus solving the problems of short permeability enhancement efficiency, low extraction efficiency, and poor sealing performance in traditional technologies. This invention is suitable for efficient gas extraction and coal seam permeability enhancement in high-stress, low-permeability coal seams, ensuring safe coal mine production and improving coalbed methane resource utilization.

The utility model discloses a tri-proof lamp with a waterproof breathable structure, which relates to the technical field of lighting equipment and comprises a main body and a lampshade, a lamp tube is fixedly mounted on one side of the main body, the main body is connected with the lampshade through a plurality of buckles, and a plurality of breathable grooves are formed in one side, close to the lampshade, of the main body. The ventilation grooves penetrate into the lampshade from the outside of the lampshade, and waterproof cylinders are fixedly connected to the positions, located at one ends of the ventilation grooves, of one side of the body. Through the arrangement of the waterproof cylinder and the internal structure of the waterproof cylinder, the plug and the floating block are in low positions under the action of self gravity under general conditions, and the plug does not block the valve hole, so that air circulation can be performed in the lampshade into the waterproof cylinder through the ventilation groove, and air can pass through the water drop blocking groove, so that heat is discharged to the outside of the lampshade through the waterproof cylinder; and therefore, the influence of heat accumulation on internal elements of the tri-proof lamp main body is reduced, and meanwhile, the problem that the sealing performance is reduced due to the fact that the sealant is in a high-temperature state for a long time is solved.

This utility model relates to the field of wire and cable manufacturing technology, and provides a sealing annealing treatment device for wire and cable production, including: an annealing chamber, a sealing plate, a support mechanism, and a translation mechanism. The sealing annealing treatment device for wire and cable production provided by this utility model forms a first seal through a high-temperature resistant silicone sealing ring on the inner side of the sealing plate and an annular groove on the opening surface of the annealing chamber. Through the compression action of a telescopic cylinder, the sealing ring undergoes elastic deformation to fill the gap between the contact surfaces, effectively preventing external air from entering and preventing cable oxidation during annealing. The slot formed by the boss, the stop bar, and the inner wall of the gantry, in conjunction with the telescopic cylinder, constitutes a second mechanical seal. The locking structure restricts the lateral displacement of the sealing plate, further enhancing the sealing reliability. Furthermore, the slot width is slightly larger than the boss thickness, allowing the sealing plate to be finely positioned during closure, compensating for manufacturing errors or dimensional changes caused by thermal expansion, and ensuring that the sealing ring is always in an optimal compression state.

The utility model provides a preheating furnace air curtain sealing device which is arranged in butt joint with an inlet of a preheating furnace, the preheating furnace air curtain sealing device comprises a sealing bin and an air inducing assembly, a sealing chamber in butt joint with the inlet is arranged in the sealing bin, the air inducing assembly is communicated with the top of the sealing chamber, and the air inducing assembly is arranged in the sealing bin. When the air inducing assembly works, an air curtain is formed in the sealing chamber, and a workpiece is conveyed to pass through the air curtain in the preheating furnace air curtain sealing device and then reaches the inlet. The preheating furnace air curtain sealing device can effectively prevent external cold air from entering the preheating furnace, the sealing effect is enhanced, and the influence of the external environment on the temperature and gas components in the preheating furnace is reduced.

This utility model discloses a medicine bottle, comprising: a bottle body, wherein the bottle body includes, along its own axial direction, a lower liquid storage section, a middle compression and stretching section, and an upper elongated extrusion section, wherein the liquid storage section, the compression and stretching section, and the elongated extrusion section are integrally connected from bottom to top; wherein, applying pressure in the up-down or left-right directions to the bottle body causes the compression and stretching section to undergo axial compression or radial deformation to change the internal pressure of the bottle body, thereby extruding the liquid medicine in the liquid storage section through the elongated extrusion section. This application, through the compression and stretching section located in the middle, allows the bottle body to change its internal pressure through both axial compression in the up-down direction and radial deformation in the left-right direction, thus achieving liquid medicine extrusion. This multi-directional pressing design significantly improves operational flexibility, making it easy to use for the elderly, children, and users with limited hand mobility, effectively expanding the applicable population.

The utility model belongs to the technical field of LED lighting equipment, and particularly relates to LED lighting equipment with a waterproof protection structure, which comprises a shell, the shell is of a rectangular frame structure, and a supporting net plate is fixed in the middle of an inner cavity of the shell; a blocking cover is arranged, two sets of first transverse plates and second transverse plates are arranged in an inner cavity of the blocking cover in a staggered mode, the first transverse plates and the second transverse plates are used for forming an S-shaped air channel, external rainwater is effectively prevented from entering an inner cavity of a shell through two-layer staggered blocking, and the device is simple in structure, excellent in waterproof performance and extremely high in practicability; and a waterproof and dustproof assembly is arranged in the inner cavity of the filter box, dust in air is effectively filtered through a dustproof net, water vapor in the air is adsorbed and filtered through a water absorption layer, and the waterproof and dustproof functions of the device are further improved.

The avocado oil extraction stirrer equipment comprises a mounting frame, a stirring box is fixedly mounted between the inner walls of the two sides of the mounting frame, the top of the mounting frame is provided with an inspection opening and a feeding hopper which are communicated with the stirring box, and a stirring motor is fixedly mounted on the outer wall of one side of the mounting frame; a stirring shaft located in the stirring box is rotationally connected between the inner walls of the two sides of the mounting frame. A stirring motor serves as a single power source, a stirring shaft synchronously drives a cam to rotate while rotating, centrifugal force generated by rotation of the cam triggers a first conductive block to make contact with a second conductive block, an electromagnetic valve is controlled to be opened and closed, and then the cam, a movable plate, a first spring, a movable rod and a first piston block are matched; clean water in the water tank is automatically sucked and directionally conveyed, the energy consumption and the manufacturing cost are reduced, the whole process of water storage and feed port adjustment is automatically completed along with the stirring process, manual operation is not needed, the operation intensity is greatly reduced, and the intelligent operation level of equipment is improved.

This utility model discloses a liquid collection box for a strong negative pressure suction device, including a box body with a liquid collection cavity, an inlet and an outlet on the box body, and a box body consisting of a sealed lid and a box compartment. A partition inside the box compartment divides the liquid collection cavity into an air inlet chamber and an air outlet chamber, and a connecting port is provided at the bottom of the partition. Through structural constraints, the airflow follows a fixed path: after entering through the inlet, it first flows downward, passes through the connecting port, and then flows upward and is discharged through the outlet. This utility model's liquid collection box for suction devices utilizes gravity and inertia to cause the liquid in the airflow to settle and be retained in the low-lying area within the box body, effectively preventing liquid from entering the filter element of subsequent negative pressure equipment. It has a simple structure, low cost, can effectively extend the service life of the filter element, and is easy to clean and maintain, making it suitable for use in various medical negative pressure suction scenarios.

The application discloses a flexible material bending tester with a safety protection structure and relates to the technical field of flexible material performance testing. The fixing tool is arranged in two, one is arranged on the moving block, and the other is arranged on the test table. One end of the flexible material is placed inside the fixing tool on the test table, and the other end is arranged inside the fixing tool on the moving block. The two fixing tools jointly clamp the flexible material from both ends, facilitating subsequent testing of the flexible material. The sliding block controls one fixing tool to reciprocatingly slide on the first sliding rail, realizing automatic and standardized testing of the repeated bending fatigue performance of the flexible material. In the process of reciprocating bending of the flexible material, material fragments can conveniently fall into the cutout of the table top, facilitating subsequent collection of the fragments. The protection tool slides on the second sliding rail, and the two protection tools are connected, so that the test is closed, and the personal safety of the operator and the stable operation of the equipment are ensured.

This utility model discloses a condensing device for an air conditioning refrigeration unit, relating to the field of air conditioning refrigeration technology. It includes a fixed housing with a condenser tube mounted on it. Mounting plates are provided on both sides of the fixed housing, and mounting holes are drilled through the surfaces of both mounting plates. A mounting shell is mounted on the surface of the fixed housing. A heat dissipation mechanism for cooling the condenser tube is provided inside the mounting shell and mounted on the condenser tube. A dustproof mechanism for preventing dust from entering the fixed housing is provided on both the fixed housing and the mounting shell. The dustproof mechanism includes a dustproof mesh shell, which is slidably mounted on the outer wall of the mounting shell. Four studs are fixedly mounted on the surfaces of both the fixed housing and the mounting shell, and the dustproof mesh shell is slidably mounted on the four front studs. This utility model achieves rapid heat dissipation from the condenser tube and prevents dust from affecting its heat dissipation efficiency. It is simple to operate and highly practical.

The utility model relates to a kind of electric power cabinet anti-condensation louver structure, including the window frame being installed on electric power cabinet, the two ends of window frame inside are respectively provided with hydrophobic louver structure and temperature control louver structure, and hydrophobic louver structure and temperature control louver structure are provided with condensing assembly between, hydrophobic louver structure is used to block rainwater and pour into electric power cabinet, temperature control louver structure is provided with electric control assembly, electric control assembly is used to control the opening angle of blade, hydrophobic louver structure is composed of multiple array arrangement's guide louver blade, guide louver blade and window frame are fixedly connected;The utility model is through hydrophobic louver structure and temperature control louver structure, while ensuring ventilation, prevent rainwater and pour into, while temperature control louver structure changes opening angle, changes opening size, when cabinet internal temperature is lower, close louver structure, block inside and outside air exchange, block the entry of external moisture, prevent the generation of condensation, improve practicality.

The utility model discloses a storage tower for feed storage, which comprises a tower body, and a conical hopper is fixed below the tower body; through cooperative use of an air bellow, an air inlet, an air heater, a filter, a sliding rail, a dust collection box, a sliding block and an air guide pipe, in the use process of the device, external air sucked through the air inlet is heated through the air heater and then conveyed into the tower body through the air guide pipe, and a tower cover above the tower body is uncovered; air flow is formed in the tower body, and the feed is stored in a dry environment, so that the air flow of the tower body can be kept, the feed in the tower body is prevented from mildewing due to the fact that the air is closed and is not circulated, and the storage quality of the feed in the storage tower is prevented from being influenced; the air heater extracts air in the tower body, the air is filtered through the filter and enters the air bellow, impurities left after filtering can be extracted out of the dust collection box through sliding of the sliding blocks on the sliding rails on the air bellow, and therefore centralized treatment can be conducted on the impurities irregularly.

The utility model relates to the technical field of cables, and discloses a fire-resistant and moisture-proof composite cable, which comprises a cable jacket, a supporting plate is wrapped on the inner side wall of the cable jacket, a plurality of air holes are arranged on the supporting plate, a cable inner core is wrapped inside the cable jacket, an insulating layer is wound on the outer surface of the cable inner core, and the insulating layer is arranged on the outer side wall of the cable jacket. The outer surface of the cable jacket is wrapped with a fireproof layer. When the fire-resistant and moisture-proof composite cable is used, the fire-resistant layer is added on the cable jacket, and the fire-resistant layer is made of a second-generation phenolic resin material, so that the cable has better fire resistance, the fire-resistant layer can play roles in retarding flame and slowing down fire spreading when a fire disaster occurs, the safety of the cable in the fire disaster is improved, and the service life of the cable is prolonged. And a damp-proof layer is adhered to the inner side wall of the cable jacket and is made of a polyvinyl chloride plastic layer. The moistureproof layer can effectively prevent moist gas and moisture from entering the cable.

The utility model relates to the field of water ecological restoration, in particular to a device for planting and observing submerged plants in situ, which comprises an overwater device, an underwater device and a fixing rod, the overwater device is connected with the fixing rod and can move up and down along the fixing rod, and the underwater device is arranged below the overwater device. The overwater device comprises a floating bed and a framework arranged on the floating bed, and is characterized in that the framework comprises a first frame and a second frame, the first frame is arranged above the second frame, a plurality of supporting rods are further arranged between the first frame and the second frame, one end of each supporting rod is fixed to the first frame, and the other end of each supporting rod is fixed to the second frame. According to the device, the double-layer frame is arranged and matched with the supporting rods to form a groove-shaped structure, so that the floating bed is clamped and fixed, and the device is simple in structure, low in manufacturing cost, high in practicability, convenient to manufacture and capable of being massively manufactured according to needs to meet experiment requirements.

The present invention discloses an explosion-proof pressure relief valve and a battery pack assembly, which relate to the field of new energy technology, and specifically include: a valve body, which is provided with a stepped through hole inside; a valve core, which includes a guide rod in the form of a stepped shaft, the small diameter portion of the guide rod and the small diameter portion of the stepped through hole are slidably mounted, and the two are provided with elastic parts along the relative sliding direction; the guide rod is provided with an air permeable channel along the axis, the large diameter end of the guide rod is provided with a breathable membrane for sealing the air permeable channel, and the small diameter portion of the guide rod is radially provided with radial air holes connected to the air permeable channel; the explosion-proof pressure relief valve and the battery pack assembly adopt a two-stage pressure relief method to ensure the pressure relief effect, and by providing the air permeable channel and the radial air permeable holes in the guide rod, the air path between the valve body and the valve core is unblocked, and the annular space between the valve body and the valve core is eliminated, so as to solve the problem that the valve core is easily stuck with the valve body when subjected to radial force while ensuring the maximum flux.

This utility model belongs to the technical field of filter press equipment, specifically relating to a frame plate filter press with a cake-removing air passage. A frame plate filter press with a cake-removing air passage includes a main support, with a filter press frame and a pressing frame at each end, and a main beam between the filter press frame and the pressing frame; several filter press plate assemblies are arranged between the filter press frame and the pressing frame, and the filter press plate assemblies are mounted on the main beam; the filter press frame has four liquid guiding channels and one mud guiding channel, the pressing frame has a hydraulic plate, and the hydraulic plate has a hydraulic pump; the filter press plate assembly includes a filter press plate, with liquid guiding holes at each of the four corners and a mud guiding hole at the center of the filter press plate; filter press grooves are provided on both sides of the filter press plate, and mud pushing plates are hinged to the filter press grooves; the filter press plate has an air passage inside, and several air ports are provided at the bottom of the filter press groove, all connected to the air passage, with one end of the air passage opening to the top of the filter press plate.

The utility model discloses a kind of more stable automobile lamps of assembly, it includes lamp body component, the inside recess of this lamp body component is provided with light source installation groove, the inner surface of this light source installation groove is installed with light source lamp plate, the front surface of this light source lamp plate is evenly provided with several spotlight cup, the front end edge of this lamp body component is fixedly installed with light transmission panel, simultaneously, this light transmission panel compresses the spotlight cup and the light source lamp plate fixed in the inside of this light source installation groove.The utility model more stable automobile lamp of assembly is through the multilayer superposition locking structure of light transmission panel, spotlight cup and light source lamp plate, reinforcing ring pad support and fastener fixed, make spotlight cup and light source lamp plate long-term stable installation in lamp body component inside, not easy to produce slack due to vehicle vibration or external force impact, sealing rubber ring and light transmission panel annularly sealed, barrier water vapor, dust and impurity enter lamp body component inside, protect light source lamp plate and spotlight cup, prolong service life.

This utility model discloses a temperature-sensing cup, including a cup body and a cup sleeve fitted around the outer edge of the cup body, with the bottom of the cup body exposed. The side of the cup sleeve includes a mounting portion, which houses a control module, a wireless charging module, a wireless transmission module, a temperature sensing module, and a power module. These modules are electrically connected to the control module. By placing the mounting portion on the side of the cup body, this utility model eliminates the need for the wireless charging module to occupy space at the bottom of the cup body. The exposed bottom of the cup body facilitates placing the entire cup on a heating pad for heating. Simultaneously, the side mounting portion provides a suitable electromagnetic induction area for the wireless charging module, ensuring efficient coupling with external charging devices. This design avoids the risk of liquid contact with the bottom while maintaining the convenience and stability of wireless charging. The structural design prevents liquid intrusion from the source, significantly improving durability and safety.

The utility model discloses a sealing cover, specifically relates to the technical field of dish-washing machine body sealing cover, including seat body, the outside of seat body is provided with the outer thread section, the thread specification of outer thread section is through strict design, and the thread spacing and depth are uniform, the outside of seat body still is provided with the buckle block through the mode of buckle, the top of seat body is set to open, the edge of opening is through smooth processing, the outside of seat body is connected with annular clamping seat through thread, the inside of buckle block is provided with inner thread section, through the unique design and the innovative structure, effectively solved the sealing effect of poor, inconvenient operation and the problem such as the sealing performance decline after opening many times of existing technology in the salt water dish-washing machine body cover, and its multilevel sealing structure, convenient operation mode and stable long-term performance make it have wide application prospect in the field such as salt water storage, transportation and use.

The invention belongs to the technical field of plate film pressing, and particularly relates to plate processing film pressing equipment which comprises a film pressing machine. The film pressing machine comprises a machine frame. Mounting plates are mounted on the two sides of the rack; driving rollers which are uniformly arranged are mounted between the two mounting plates; a film bin is arranged above the two mounting plates; two supporting columns are fixedly mounted on the side, close to the mounting plate, of the bottom plane of each film bin; a film pressing assembly is arranged on the right side of the film bin; the film pressing assembly comprises a pressing plate; a first notch is formed in the side, close to the film bin, of the pressing plate. A first pressing roller is rotationally connected into the first notch. The top of the first notch is fixedly provided with a closed bin on the surface of the pressing plate. A dedusting assembly is arranged on the left side of the film bin. And by arranging the dust removal assembly, dust or impurities on the plate can be removed, and the situation that the impurities or the dust are wrapped between the film and the plate, and consequently the film on the surface of the plate protrudes is avoided.

This utility model relates to the field of blueberry cultivation technology, specifically a high-efficiency drainage and anti-clogging structure for blueberry cultivation troughs. It includes a planting trough and a drainage bottom trough. The planting trough is generally designed as an inverted trapezoid, with both its bottom outer wall and top outer wall being open. The drainage bottom trough is fitted to the bottom outer wall of the planting trough and is a rectangular trough with an open top outer wall. This high-efficiency drainage and anti-clogging structure enhances the stability of the soil layer and improves water penetration by employing a double-layer honeycomb structure (dense on top, sparse on the bottom) below the planting trough. This avoids water accumulation and root rot problems caused by drainage path blockage in traditional cultivation troughs. Simultaneously, the porous flexible permeable mesh in the middle has excellent filtration performance, preventing fine soil particles from entering the drainage components and preventing blockage at the source, thus promoting healthy crop growth.

The utility model discloses a heat transfer printing film surface paving structure which is paved on a base surface and comprises a heat transfer printing pattern bearing layer, a pressure-sensitive adhesive layer and a waterproof layer, and the waterproof layer comprises a first rubber layer, an aromatic polyamide fiber layer and a second rubber layer. The aramid fiber layer is located between the first rubber layer and the second rubber layer, the first rubber layer is located between the aramid fiber layer and the pressure-sensitive adhesive layer, the pressure-sensitive adhesive layer is located between the heat transfer printing pattern bearing layer and the first rubber layer, and the heat transfer printing pattern bearing layer comprises an aluminum base material layer. According to the utility model, batch production can be realized, the production cost is reduced, the printing ink layer and the aluminum surface are dissolved into a whole after molding, the binding force of printing ink and the aluminum surface is improved, only paving is needed during installation, the construction is very convenient, and the arrangement of the specific waterproof layer prevents water from entering a building.

The present invention discloses a grouting density self-feedback type pile top stiffness adjustment device, comprising: a density self-feedback structure, a controllable coordinated deformation structure, a grouting exhaust structure, a pile body, a top plate, longitudinal reinforcement, and a longitudinal reinforcement reserved opening. The controllable coordinated deformation structure is arranged on the top of the pile body, and a top plate is arranged on the top of the controllable coordinated deformation structure, and the top plate is connected to the grouting exhaust structure, and the grouting exhaust structure is connected to the controllable coordinated deformation structure; the controllable coordinated deformation structure is connected to the density self-feedback structure, and longitudinal reinforcement reserved openings are arranged on the top plate, the grouting exhaust structure, the density self-feedback structure, and the controllable coordinated deformation structure, and the longitudinal reinforcement is penetrated through the longitudinal reinforcement reserved opening, and the bottom end of the longitudinal reinforcement is fixedly connected to the pile body. The pile top stiffness adjustment device of the present invention can effectively improve the grouting density and can effectively play the role of preventing seepage and waterproofing, and coordinating deformation, and broadens the applicable geographical range of the controllable stiffness pile raft foundation.

The application discloses a sucker structure, which comprises a sucker, wherein the sucker comprises a back plate and a glue body, the glue body is tightly combined with one side of the back plate, the other side of the back plate is provided with a connecting part, the back plate is made of a hard material, the glue body is made of a soft material, the back plate is provided with a plurality of convex parts, the convex parts are arranged on the side of the back plate which is tightly combined with the glue body, the convex parts are arranged around the middle part of the back plate at intervals, and each convex part is arranged close to the outer edge of the back plate. The hard back plate can assist the soft glue body in adsorption, and the adsorption effect is good; the convex parts arranged at intervals can improve the pressing force of the outer edge of the back plate on the glue body without affecting the deformation of the back plate, thereby playing a role in blocking the gas from entering from the edge of the sucker, further improving the adsorption effect of the sucker, improving the durability of adsorption, and making the glue body more firmly wrapped and combined with the back plate.