671results about How to "Avoid squeezing" patented technology

The invention discloses nano ettringite particle reinforced aramid nanofiber aerogel as well as a preparation method and application thereof, and belongs to the technical field of aerogel. The preparation method provided by the invention comprises the following steps: dissolving a calcium source, an aluminum source and sulfate in water, adding a first surfactant, adjusting the pH value to 9-12, stirring for reaction, and after the reaction is finished, washing a solid product to be neutral to obtain nano ettringite particles; uniformly stirring and mixing the nano ettringite particles, para-aramid nanofibers, a second surfactant and a cross-linking agent in water to obtain an ettringite / aramid nanofiber dispersion liquid; the ettringite / aramid nanofiber dispersion liquid is sequentially subjected to concentration, directional freezing and freeze drying, and the ettringite / aramid nanofiber composite material is obtained. The preparation method disclosed by the invention is simple, the raw materials are easy to obtain, and the obtained nano ettringite particle reinforced aramid nanofiber aerogel has relatively high mechanical strength and thermal stability.

The invention relates to the technical field of food packaging, and particularly discloses a compression-resistant food packaging box which comprises a box body, four compression-resistant plates are slidably connected to the side face of the box body, a buffer frame is slidably connected to an inner cavity of the box body, a top cover is slidably connected to the top end of the buffer frame, and compression-resistant assemblies are arranged on the two sides of the top end of the box body. According to the food packaging box, a certain buffering effect can be achieved through the compression-resistant assembly, the influence of pressure on food in the packaging box is reduced, when the food packaging box is subjected to certain extrusion force, an alarm can be given to remind a worker to pay attention to avoid continuous extrusion, and at the moment, the packaging box has a secondary compression-resistant effect; according to the food packaging box, the food can be flexibly fixed to the inner wall of the packaging box through the limiting assembly, the influence of shaking of the packaging box in the transportation process on the food is reduced, meanwhile, the limiting mechanism can be adjusted according to the size of the food, and the packaging box can limit the food of various specifications.

The invention discloses a meat strip equally-dividing slitting machine for fresh meat processing, and relates to the technical field of fresh meat processing.The meat strip equally-dividing slitting machine comprises a rotating shaft, the rotating shaft is fixedly connected with a transmission part, the rotating shaft is in transmission with the output end of a motor through the transmission part, the outer side of the rotating shaft is fixedly connected with a cutting part, and the side, close to the rotating shaft, of a protection assembly is rotationally connected with a rotating rod; the cutting piece comprises a rotating disc, the rotating disc is fixedly connected with the rotating shaft, an inclined groove is formed in the edge of the outer side of the rotating disc, a blade is fixedly connected into the inclined groove, a fixing rod is fixedly connected to the outer side, close to the blade, of the rotating disc, and the rotating disc is fixedly connected with the blade through the fixing rod. According to the meat strip equally-dividing slitting machine for fresh meat processing, the blades are obliquely arranged, so that when fresh meat is cut, due to the angle problem of contact between the blades and the fresh meat, the fresh meat can be more easily guided to be cut open in the direction of the blades, notches are smoother, and the quality of produced products is improved.

The invention discloses a breeding cabin equipment system, a cabin transferring method and a trapping method, and belongs to the technical field of breeding equipment. The system comprises a cabin body, and a culture cabin, a pumping device, a cabin transfer channel and a cabin access which are arranged in the cabin body. The cabin transferring method comprises the step of transferring fish from the culture cabin to another culture cabin through the cabin transferring channel. According to the collecting and catching method, fish in the cabin rotating channel is collected and caught through the collecting and discharging well. Water level differences among different culture cabins are formed by controlling water levels of different culture cabins, net racks at the bottoms of the culture cabins can be intelligently controlled to ascend and descend through a program, devices such as cabin rotating baffles and cabin opening cover plates are selectively opened and closed, and a fish-water mixture flows from a high-water-level culture cabin to a low-water-level culture cabin through a live fish cabin rotating structure. And quick intelligent cabin-transferring culture without damage of live fishes is realized. By controlling the water body, aquatic products can be transferred in different cabins, damage to the aquatic products caused by an existing transferring tool is avoided, operation is convenient, and rapid and intelligent cabin-transferring cultivation is achieved.

The invention discloses a solidified soil section diagonal bracing device with a self-balancing function, and relates to the technical field of diagonal bracing devices. Comprising an inclined supporting rod, a movable end, a self-balancing base and an auxiliary device, a locking ring synchronously drives a slope block to rotate when rotating, the slope block drives a dowel bar to slide down through a lever assembly, the dowel bar drives a pin piece meshed with the dowel bar to rotate and unfold, and the contact area of the bottom of an anchor rod and solidified soil is increased; the downward pressure borne by the transmission rod is larger, and the pin pieces can overcome the resistance of surrounding solidified soil to be unfolded more easily; through the arrangement of the multiple sets of anchoring assemblies, loads transmitted to the self-balancing base by the inclined supporting rods are automatically and evenly dispersed to all the anchoring assemblies, the self-balancing base is stressed in a balanced mode, and the situation that the self-balancing base is unstable due to the fact that local stress is too large is prevented. And the hydraulic telescopic device and the driving motor are matched with each other, so that the anchor rod is anchored into solidified soil, rotation is converted into linear movement through anchoring threads on the anchor rod, and the anchoring speed of the anchor rod is increased.

The invention relates to the technical field of hollow part production, and discloses a metal-plastic composite car lamp frame shell integrated injection molding device which comprises an injection molding machine, a movable mold and a fixed mold are installed in the injection molding machine, an external manipulator and an external cooling module are installed outside the injection molding machine, and two fixing holes are symmetrically formed in the outer surface of the movable mold; an injection molding assembly is arranged in the injection molding machine, the injection molding assembly comprises not less than two metal pipes and not less than four extension pipes, and in the cooling process, the metal pipes are cooled from inside to outside based on the physical characteristics of the metal pipes; by means of the cooling mode, the middle of the molding material is cooled and shrunk firstly, the situation that the outer layer is solidified firstly due to the fact that cooling is conducted from the outside to the inside of the cavity traditionally is changed, when the internal material is cooled and shrunk, limitation of the solidified outer layer material is avoided, and therefore the problem that cavities are generated due to inconsistent shrinkage is effectively prevented.

The invention discloses a multi-stage damping semi-active magnetoelectric damper capable of recycling energy. Relates to the technical field of engineering structure shock-absorbing dampers, and comprises a transmission mechanism, the transmission mechanism comprises a spring box, power springs, steel wires and a rotor, the spring box is provided with an upper part and a lower part, the steel wires and the power springs are respectively arranged in the upper part and the lower part of the spring box, the rotor is arranged in the middle of the spring box, and one ends of the two steel wires are connected and wound on the rotor; lug rings are arranged at the other ends of the two steel wires, the inner ring ends of the two power springs are fixed to the rotor in a penetrating mode, and the other ends of the two power springs are connected with the spring box; the buffer mechanism comprises a first-stage buffer unit, a second-stage buffer layer and a third-stage buffer unit, and the first-stage buffer unit, the second-stage buffer layer and the third-stage buffer unit are sequentially arranged on the two spring boxes; by means of the novel damper capable of achieving multi-order mixed control over acceleration, speed and displacement, an engineering structure can meet the self-adaptive damping requirement during vibration.

The invention provides a balloon catheter suitable for long vasculopathy, and relates to the technical field of medical instruments. The first balloon is arranged at the far end of the catheter body; the diameter of the near end of the first balloon is larger than that of the far end of the first balloon. A through inner cavity is formed in the middle of the catheter body, and a communicating channel communicating the first balloon with the inner cavity is formed in the side wall of the catheter body. By arranging the first balloon and the second balloon, the first balloon extrudes the second balloon after expanding, so that a contrast agent in the second balloon is gradually extruded out, the second balloon deforms, and the deformed second balloon is better attached to the narrow part of a blood vessel and can better adapt to the change of the inner diameter of a channel at a longer blood vessel.

The utility model discloses a pair of elastic opening and closing shoes easy to put on and take off. The shoe body comprises a sole, a vamp and an elastic piece; the vamp comprises a half sole part, a heel part and a connecting part which are all connected to the sole, the connecting part is close to the sole and is connected with the lower end parts of the half sole part and the heel part, and the upper end parts of the half sole part and the heel part are separated from each other; the heel part is suitable for being switched between a first state and a second state under the action of external force, when the heel part is in the first state, the heel part is close to the half sole part and matched with the half sole part to form a shoe opening, and when the heel part is in the second state, the heel part is far away from the half sole part and enables the shoe opening to be opened; the elastic piece is connected with the half sole part, the heel part and the connecting part and is suitable for being unfolded under the action of external force, so that the heel part enters the second state; and when the external force is lost, the elastic piece rebounds and resets, so that the heel part returns to the first state. The utility model provides an elastic opening and closing shoe easy to put on and take off, which is easy to open, has excellent recovery performance and ensures the convenience of the shoe in the putting on and taking off process.

The invention relates to the technical field of logistics trays, and discloses logistics tray positioning equipment which comprises a tray body, a buffering mechanism is arranged at the bottom in the tray body, a positioning mechanism is arranged at the top of the buffering mechanism, a rotating mechanism is arranged at the bottom of the tray body, and the positioning mechanism comprises a positioning assembly and a limiting assembly. The positioning assembly is arranged at the top of the buffering mechanism, and the limiting assembly is arranged on the left side of the tray body. During use, through the positioning assembly, when goods need to be placed through the tray body and transported, the goods can be placed on the placing table, and the goods can be conveniently conveyed; the placing table can move downwards under the weight pressure of the goods, the rack can be driven to move in the moving process of the placing table, the rack drives the gear to rotate, the supporting column, the clamping plate and the limiting plate can be driven to rotate through the rotating rod under the action of the gear, and the supporting column and the clamping plate are located on the left side and the right side of the goods.

The invention relates to the technical field of conveying equipment, and discloses castable conveying and distributing equipment and application in a precast block production system.The castable conveying and distributing equipment comprises a distributing assembly and a conveying assembly, the conveying assembly comprises a protective shell and a conveying belt, and a plurality of pushing assemblies and vibrating assemblies are arranged on the surface of the conveying belt; the material pushing assembly comprises a scraping plate, a first extrusion plate and a second extrusion plate which are used for sliding left and right are arranged on the two sides of the scraping plate correspondingly, and the cross section of the first extrusion plate and the cross section of the second extrusion plate are each in a 7 shape; by means of the material pushing assembly, the situation that when materials are conveyed upwards, part of the materials retreat, and then the overall conveying efficiency is affected can be effectively prevented, the materials just discharged out of the material storage bin can be scattered through the vibration assembly, the situation that the materials are stacked together and extrude the conveying belt is avoided, and through cooperation of a cavity and a first extrusion plate, the conveying efficiency is improved. And the height of the baffle can be adjusted, and the situation that the materials slip off during transportation is avoided.

The invention discloses an image measuring instrument with an auxiliary positioning function, and relates to the technical field of image measurement, the image measuring instrument comprises a placing frame and further comprises a positioning device, a placing hole is formed in the front side of the placing frame, a light supplementing device is arranged on the inner wall of the placing hole, a fixing rod is fixedly installed on the inner wall of the placing frame, and the positioning device is arranged on the fixing rod. Displacement equipment is slidably mounted on the circumferential surface of the fixing rod, image measurement equipment is arranged on the front side of the displacement equipment, a placement frame is fixedly mounted at the bottom of the inner wall of the placement frame, and the positioning device comprises a positioning groove, an electric push rod, a push plate, a supporting groove, a supporting rod, a supporting plate, a protection groove, a hollow block and a sliding block. The hollow block is limited by the sliding block, so that the push plate cannot continuously move in the direction close to the positioning groove, scraping and indentation on the surface of the workpiece can be reduced through reasonable clamping force, it can be ensured that the workpiece is kept at the stable position in the measuring process, and displacement or inclination caused by improper clamping is avoided.

The utility model discloses an easy-to-position welding device for metal handicraft production, which belongs to the technical field of metal handicraft production, and comprises a welding frame, a clamping assembly and a welding main body, the clamping assembly comprises a movable plate and a movable plate, and two ends of the side surface of the movable plate are slidably connected with movable rods through formed through grooves; the end faces of the two movable rods are fixedly connected with the movable plate, the side face of the movable plate is fixedly connected with a rubber plate, the ends, away from the movable plate, of the movable rods are fixedly connected with a limiting plate, and the two ends of the side face of the limiting plate are slidably connected with limiting rods through formed through grooves. According to the welding device for the metal handicrafts, the metal handicrafts are prevented from being extruded, deformed and damaged in the clamping process, and the welding quality of the welding device on the metal handicrafts is improved.

The utility model relates to the technical field of grid-connected boxes, in particular to a grid-connected box. According to the technical scheme, the device comprises a box body and further comprises a bottom plate, the bottom plate is fixedly installed in the box body, an installation plate is fixedly installed on the bottom plate, a plurality of installation blocks are installed on the installation plate in a sliding mode, and an auxiliary mechanism for fixing different positions of the installation blocks is arranged on the installation plate. The auxiliary mechanism comprises a plurality of inserting holes which are fixedly formed in the bottom plate at equal intervals, a guide groove is formed in one side of the bottom plate, a pulling plate is slidably installed on one side of the installation block, and a supporting rod is fixedly installed at the bottom of the pulling plate. According to the utility model, flexible adjustment of device installation positions is realized, the utilization rate of the internal space of the box body is improved, and line extrusion caused by device congestion is avoided.

The invention discloses an intelligent warehousing operation auxiliary system and method based on mixed reality, and relates to the technical field of warehousing management, and the system comprises a storage stack point pre-screening module, an intelligent task planning module, a task execution monitoring module, an abnormal task execution adjustment module, and an optimal carrying equipment screening module. According to the method, the optimal storage stack point can be screened, the utilization rate of the storage space is improved, cargo extrusion or space waste caused by space mismatching is avoided, the transportation efficiency is improved, the energy consumption is reduced, abnormal conditions can be found in time, and the reliability of task execution is guaranteed. When abnormity occurs, early warning can be triggered quickly, the replacement mode of the carrying equipment can be judged reasonably, continuity and high efficiency of warehousing operation are ensured, and the overall operation efficiency of the intelligent warehousing system, the goods storage quality and the scientificity of management decision are improved.

The hidden uncovering dissecting table comprises a storage box and an upper cover plate capable of being wound and bent, an opening is formed in the upper end of the storage box, a supporting guide groove is formed in the side wall of the opening in the upper end of the storage box, an outer shell is arranged on the outer side of the storage box, and a hidden temporary storage space is formed between the outer shell and the storage box; the upper cover plate slides in the supporting guide groove and the hidden temporary storage space, and when the upper cover plate is in an open state, the upper cover plate slides and is hidden in the hidden temporary storage space; when the upper cover plate is in a closed state, the upper cover plate slides into the supporting guide groove from the hidden temporary storage space to seal and cover the upper end opening. When the upper cover plate of the dissecting table is closed, the upper cover plate directly slides into the hidden temporary storage space from the supporting guide groove, so that the space at the two ends of the dissecting table can be saved, and students can conveniently observe and operate the dissecting table.

The invention relates to the technical field of glass bottle body production, and particularly discloses a quenching clamp for glass bottle body batch production. The problem that when a glass bottle is clamped, the stress direction of the clamping position is staggered, and consequently the glass bottle is bent and deformed is solved. Comprising a rectangular frame, two U-shaped plates are connected to the rectangular frame in a sliding mode, the U-shaped plates are fixedly connected with a plurality of supporting plates and a plurality of fixing plates, the supporting plates and the fixing plates are distributed in a staggered mode, and the supporting plates and the fixing plates on the two U-shaped plates are in one-to-one correspondence; and one end of the clamping plate is rotationally connected to the supporting plate, and clamping strips are connected to the two sides of the clamping plate in a sliding mode. According to the glass bottle clamping device, all the clamping plates rotate synchronously in the same direction, the clamping strips move along the fixed track, the clamping strips make contact with glass bottle openings, glass bottles are clamped, the glass bottles are prevented from being extruded, and the production quality of the glass bottles is guaranteed.

The utility model relates to the technical field of powder coating processing equipment, in particular to a quantitative blanking device for powder coating, which comprises a blanking hopper, and further comprises a quantitative mechanism and a discharging mechanism which are used for quickly adjusting the amount of the powder coating sent out by the blanking hopper. The discharging amount of the powder coating is changed by controlling the opening time of the gap between the conical structure of the quantitative pipe and the discharging cover, meanwhile, the spiral rod and the sliding sleeve are driven to rotate synchronously through rotation of the rotating shaft, and then the amount of the powder coating accumulated in the middle of the quantitative pipe is reduced through rotation of the spiral rod; and meanwhile, the sliding sleeve drives the stirring frame to rotate to pass through the teeth at the lower end of the quantitative pipe to generate vibration, so that the powder coating in the quantitative pipe is prevented from being blocked.

The utility model discloses a tea leaf stir-frying device which comprises a heating base, a round frying pan is installed on the heating base, one side of the heating base is fixedly connected with a transverse plate, a lifting assembly is arranged on the upper surface of the transverse plate, a round cylinder is arranged on one side of the lifting assembly, and the inner diameter of the round cylinder is the same as that of the round frying pan. An elastic plate is arranged, the elastic plate is bent downwards to press the surface of a circular wok, tea on the surface of the circular wok is extruded, the tea is made to be better attached to an iron pan, the tea is dried, the drying efficiency of the circular wok on the tea is improved, a second servo motor rotates reversely, a supporting plate rotates back and forth, the tea is extruded repeatedly and rapidly, long-time extrusion is avoided, and the tea drying efficiency is improved. The square rod rotates, so that when the elastic plate extrudes the tea leaves, the tea leaves are stirred to move in the frying pan, the tea leaves are stirred, the tea leaves are promoted to move, and meanwhile, the positions of the elastic plate extruding the frying pan are controlled to be different, so that pressing is more uniform.

The invention relates to the technical field of automatic treatment of welding seams, and discloses automatic treatment equipment for welding seams on the inner and outer walls of an anti-corrosion storage tank, which comprises an equipment shell, an operation handle is fixedly connected right above the equipment shell, a driving motor is fixedly connected to the side wall of the equipment shell, and an output rotating shaft is fixedly connected to the output end of the driving motor. A fixing plate is arranged under the equipment shell. When the device is used, the positioning sliding rails on the fixing plate are firstly placed in the anti-corrosion tank, the positioning sliding rails are adjusted so that a welded welding seam can be located between the two positioning sliding rails, the clamping plates can ascend by rotating the lead screw, the clamping plates can be tightly attached to the outer wall of the anti-corrosion tank, and in this way, the positioning sliding rails can be fixed to the inner wall of the anti-corrosion tank conveniently; at the moment, the device is placed in the anti-corrosion tank, a first sliding block under an extrusion rod in an equipment shell is placed on two positioning sliding rails so that the first sliding block can stably slide above the positioning sliding rails, and therefore a grinding part of the device can conveniently and accurately grind a welding seam.

The utility model discloses a coin pushing mechanism and a commemorative coin vending machine, the coin pushing mechanism comprises a coin storage mechanism for storing commemorative coins, the coin storage mechanism comprises a mounting seat and a cabinet body mounted on the commemorative coin vending machine, and the coin storage mechanism is arranged above the mounting seat; the coin pushing piece is mounted between the mounting seat and the coin storage mechanism and is used for pushing commemorative coins between the mounting seat and the coin storage mechanism; and the driving mechanism is mounted in the mounting seat, the output end of the driving mechanism extends out of the mounting seat to be connected with the coin pushing piece, and the driving mechanism is used for driving the coin pushing piece to rotationally push coins. According to the commemorative coin vending machine, the driving mechanism drives the coin pushing piece to rotate, so that commemorative coins located between the coin storage mechanism and the mounting base are pushed to the coin outlet channel of the commemorative coin vending machine, the coin pushing piece is prevented from being downwards extruded by the weight of all the commemorative coins in the coin storage mechanism in a rotary coin pushing mode, the abrasion of a motor is reduced, and the service life is prolonged; the structure is simple and the cost is low.

The utility model discloses a heating core assembly for a heat gun, which belongs to the technical field of electric tools and comprises a sleeve, a core frame, a heating element and a ceramic ring, the core frame, the heating element and the ceramic ring are positioned in the sleeve, the heating element is arranged on the core frame, the ceramic ring is positioned at the downstream of the heating element, an air outlet cover is arranged in front of the core frame, and the air outlet cover is arranged in front of the core frame. A ceramic ring is arranged between the core frame and the air outlet cover, the ceramic ring comprises a mounting part and an outer ring located on the periphery of the fixing part, the mounting part and the outer ring are connected through a plurality of connecting ribs, a ventilating duct is formed between every two adjacent connecting ribs, and a breaking seam enabling the outer ring to be broken in the circumferential direction is formed in the outer ring. The outer ring of the ceramic ring is provided with the breaking seam, so that the ceramic ring is broken in the circumferential direction, the situation that the ceramic ring is damaged due to thermal expansion is avoided, and the service life of the ceramic ring is guaranteed.

The invention discloses a fixing device with a monitoring function for an internal jugular vein indwelling catheter, and belongs to the technical field of medical equipment.The fixing device comprises a cap body, an adjusting assembly, a dustproof moving part, an installation part, a catheter collecting assembly and a monitoring limiting assembly, one end of the installation part is pasted on a collar, and the monitoring limiting assembly is installed on the surface of the right end of the installation part; the monitoring limiting assemblies are arranged in pairs, the pipe collecting assemblies are arranged between the two monitoring limiting assemblies in pairs, the adjusting assembly is arranged on the head of the human body in a sleeving mode, the outer surface of the adjusting assembly is in transmission connection with dustproof moving parts, the two dustproof moving parts are connected through a connecting rod, and the cap body is arranged on the outer sides of the adjusting assembly and the dustproof moving parts. The problems that in the prior art, due to the fact that a fixing device of the internal jugular vein indwelling catheter cannot be hidden and a connecting piece is exposed in the air for a long time, the disinfection procedure of the connecting piece is complex, time is wasted, and the internal jugular vein indwelling catheter is likely to be seen are solved. And the universality, practicability and convenience of the device are improved.

The utility model discloses a semiconductor plant micro-seismic resistance structure which comprises a supporting bottom plate, the surface of the supporting bottom plate is fixedly connected with a plant wall, the surfaces of the two sides of the plant wall are provided with anti-collapse mechanisms, the top of the plant wall is provided with an installation groove, a plant roof is rotationally installed in the installation groove, and the upper surface of the supporting bottom plate is provided with a damping groove. And a damping mechanism is arranged in the damping groove. Through mutual cooperation of the mechanisms, the anti-collapse mechanism is used for supporting or dragging the plant wall body when the plant wall body vibrates, so that the plant wall body is prevented from collapsing after the plant wall body is broken due to vibration; the semiconductor instrument placed above the supporting bottom plate in the plant is damped and buffered through the damping mechanism during vibration, and damage to the semiconductor instrument caused by vibration is prevented.

The invention discloses an aeroacoustic wind tunnel corner noise elimination flow deflector, a flow deflector group and a design method, and belongs to the technical field of aeroacoustic wind tunnel test equipment. The corner flow deflector aims at solving the technical problems that an existing corner flow deflector cannot give consideration to aerodynamic performance and noise elimination performance, and a special shape design method and a combination application scheme are lacked. The noise elimination flow deflector is of an integrated structure formed by sequentially connecting a semi-oval front edge, a front straight section, an arc section, a rear straight section and a wedge-shaped tail edge, and key parameters of the upper profile and the lower profile are designed in an associated mode. The flow deflector set is formed by combining and installing at least two noise elimination flow deflectors according to a specific rule, and a uniform-section airflow channel is formed. According to the design method, coupling optimization of the noise elimination amount and the aerodynamic performance is achieved through a parameterized design process in combination with the Picrov formula, and the design method has the advantages of being high in noise elimination efficiency, small in aerodynamic loss and good in airflow uniformity, is suitable for a symmetric corner aerodynamic acoustic wind tunnel and can be widely applied to aerodynamic noise tests in the fields of aviation, automobiles and the like.

The invention discloses an automatic balance assembly system and device for solar glass sheets. The automatic balance assembly system comprises a connecting piece, the adsorption piece is mounted at the bottom of the connecting piece and moves synchronously with the connecting piece; the fixing plate is fixedly arranged on the cross beam support, the connecting piece movably penetrates through the two ends of the fixing plate, the adsorption piece is located at the bottom of the cross beam support and does not make contact with the fixing plate, and in the installation process of the solar glass sheet, adsorption is achieved through the adsorption piece, and the solar glass sheet is driven by the mechanical arm to be subsequently installed. Wherein the cross beam bracket is mounted at the output end of the manipulator; through the design, when the solar glass sheet is installed, the pressure of the solar glass sheet at each installation point position is obtained in real time, and self-adaptive adjustment is performed according to the pressure, so that the pressure of each installation point position is ensured to be equal, the solar glass sheet is prevented from being extruded, the risk of being damaged is reduced, and the service life of the solar glass sheet is prolonged. And the defects of the existing solar glass sheet in installation are overcome.

The utility model discloses a modularized combined high-low voltage switch cabinet, which comprises a switch cabinet main body, a wire outlet is arranged on the bottom surface of the switch cabinet main body, at least two wire inlets are arranged on the back surface of the switch cabinet main body, and the bottom of the switch cabinet main body is fixedly connected with a support plate. The surface of the supporting plate and the surface of the switch cabinet body are provided with a set of switch cabinet fixing through holes, the switch cabinet fixing through holes are connected through bolts and fixing plates, and the back face of the switch cabinet body is connected with a cable passing plate through cable passing plate fixing holes and bolts. According to the utility model, the switch cabinet fixing through holes among different cabinets are connected through the bolts and the fixing plates, so that the connection among the cabinets is more stable, the heat dissipation effect of the switch cabinet body is improved, the extrusion of cables is avoided, and the overall stability and use effect of the cabinets are improved.

The utility model provides a mattress with high waterproof performance, which belongs to the technical field of mattresses, and comprises a mattress body, a silica gel frame, water-absorbing cotton cloth, a magic tape rough surface and a magic tape hook surface, the silica gel frame is fixedly arranged on the outer side of the upper surface of the mattress body, the magic tape rough surface is sewed on the upper surface of the mattress body, and the water-absorbing cotton cloth is arranged on the water-absorbing cotton cloth. A magic tape hook surface is sewn at the bottom of the water-absorbing cotton cloth; according to the mattress, the water-absorbing cotton cloth is arranged and can absorb body fluid generated by gatism of a patient, the water-absorbing cotton cloth is adhered to the mattress body in a hook-and-loop fastener adhering mode, the water-absorbing cotton cloth can be conveniently taken out of the mattress body, and therefore the water-absorbing cotton cloth can be conveniently cleaned, and due to the arrangement of the silica gel frame, the water-absorbing cotton cloth is convenient to clean. The side face of the water-absorbing cotton cloth is conveniently blocked, the water-absorbing cotton cloth is prevented from being extruded after absorbing body fluid, the body fluid is prevented from falling to the bottom face of a ward from the periphery of the mattress body after being extruded from the side face of the water-absorbing cotton cloth, and sanitation of the ward is guaranteed.