62results about How to "Avoid loose fixation" patented technology

The utility model relates to the technical field of vacuum fixing devices, in particular to a display panel vacuum fixing device. According to the technical scheme, the device comprises a case and further comprises a fixing mechanism installed at the bottom of the case in a sliding mode and used for rapidly fixing a display panel, a pressing assembly fixedly installed at the top of the case and used for sealing and evenly applying pressure to the display panel located on the fixing mechanism, and a vacuum pump installed on the top of the case and used for sealing the display panel located on the fixing mechanism. The vacuum pump is installed on the top of the machine box and used for vacuumizing the space between the fixing assembly and the pressing assembly. The liquid crystal display screen and the touch screen are prevented from being misplaced through the fixing mechanism, the touch screen and the liquid crystal display screen are prevented from being not firmly fixed through the pressing assembly, bubbles are prevented from being generated between the liquid crystal display screen and the touch screen through the vacuum pump, a liquid crystal layer is prevented from being incapable of correctly displaying images, and the accuracy of a touch sensor is prevented from being interfered.

The utility model belongs to the technical field of constructional engineering, and particularly relates to a fixing structure of a template for constructional engineering, which comprises a bottom supporting table, supporting legs are arranged on the side surface of the bottom supporting table, the bottom supporting table is arranged in an up-and-down penetrating manner, inserting openings are formed in four edges of the bottom supporting table, inserting plates are inserted into the inserting openings, and the inserting plates are connected with the bottom supporting table. Plugging blocks are arranged at the four corners of the bottom supporting table, plate gaps are formed between the inserting plates, the peripheral sides, close to the bottom supporting table, of the inserting plates are sleeved with reinforcing bottom frames, reinforcing upper frames are connected to the inserting plates in an inserted mode through the plate gaps, and the reinforcing upper frames are located above the reinforcing bottom frames. The utility model effectively avoids the problem of unstable fixation caused by easy rusting of the bolt, ensures the stability and firmness of template fixation, is simple and effective in design and firm in installation, can effectively avoid the problem of slurry leakage of the template, improves the quality and efficiency of building construction, and is beneficial to the smooth proceeding of engineering.

The utility model relates to the technical field of wind power foundation formwork construction, in particular to a wind power foundation formwork construction support which comprises a supporting plate, a lifting handle is arranged in the middle of the upper end of the supporting plate, fixing columns are arranged on the left portion and the right portion of the front end of the supporting plate respectively, and a fixing seat is movably installed between the two fixing columns through a movable shaft. Fixing devices are arranged at the left end and the right end of the fixing base correspondingly, a supporting mechanism is slidably installed in the fixing base through a sliding groove, a plurality of corresponding holes are formed in the left portion and the right portion of the inner lower wall of the fixing base correspondingly, and two magnetic clamping blocks are arranged on the front portion of the inner lower wall of the fixing base. Two fixing frames are arranged at the rear end of the supporting plate, and the upper end of the supporting mechanism is movably installed in the two fixing frames through a movable shaft. According to the wind power foundation formwork construction support, the fixing position of the fixing cone can be conveniently adjusted according to an actual site, the whole support can be conveniently stored, and the wind power foundation formwork construction support is convenient to move and carry.

The utility model discloses a postoperative staylace which comprises a staylace body. The hook is connected to one side of the staylace body; the extending part is connected to the side, away from the hooks, of the staylace body, and a plurality of sets of hanging holes matched with the hooks are formed in the extending part. An adhesion type bellyband is changed into a hook type bellyband, the hook is hung in the hanging holes in different positions of the extending part, the bellyband can be used for animals of different body types, the situation that the bellyband is not firmly fixed and is prone to sliding or loosening is avoided, the bellyband is moderately lengthened and lengthened according to the body types and weights of the animals, punching is conducted for fixing, and the fixing effect is good. Wounded parts of animals with different body types and weights can be fixed, and the applicability of the bellyband is enhanced.

The utility model relates to ton bag packing fixing field, concretely relates to quartz sand ton bag packing fixing device, its technical scheme is: including support subassembly, fixed component and hook, the fixed component is connected between adjacent support subassembly, the support subassembly upper end is connected with the hook, the support subassembly includes fixed stand and the lifting groove of setting up in the fixed stand upper end middle, the lifting groove inboard is penetrated with the lifting plate, the fixed stand upper end one side is connected with the limiting component, the utility model has the beneficial effect that: the utility model constructs an adjustable rectangular frame structure through the collaborative design of support subassembly, fixed component and hook, can effectively surround and support ton bag, prevents its from happening inclination, collapse or displacement because of unstable center of gravity or external force interference in the loading process.

The present invention provides a multifunctional fixing device that can be used for tendon suturing and fracture fixation at the same time, including a nail body, a handle rod, a connector and a suture, wherein the nail body is provided with a head and a tail, the tail is provided with a connecting structure, the head is provided with a tightening structure, and a hole radially penetrating the nail body is formed on the nail body; the handle rod is provided with a head and a tail, and the tail is connected to the head of the nail body through a weak structure, so that the handle rod can be disconnected from the nail body at the weak structure; the connector is connected to the connecting structure at the tail of the nail body to be in a connected state, so that in the connected state, the connector and the tightening structure can be clamped on both sides of the cortical bone; the suture passes through the hole. According to the present invention, the problem of loose fixation caused by cancellous bone is avoided, tendon suturing and fracture fixation can be achieved simultaneously, and the surgical operation is convenient.

The utility model discloses a membrane component capable of uniformly aerating, which comprises a membrane shell, a membrane wire distribution frame and an aerating pipe, the membrane wire distribution frame is arranged in the membrane shell, the membrane wire distribution frame is provided with a central pipe, the outer side of the central pipe is provided with a plurality of partition plates, the upper ends of the partition plates are provided with hollow aerating channels, two sides of the aerating channels are provided with aerating holes, and the aerating holes are communicated with the central pipe. An air inlet hole is formed in the pipe wall of the central pipe, and the upper end of the aeration pipe extends into the central pipe and is communicated with the aeration channel through the air inlet hole. According to the utility model, the partition plate is provided with the aeration channel and the aeration holes on the two sides, so that a three-dimensional aeration mode that gas radiates and diffuses from the center of the membrane module to the periphery is realized, different areas of membrane wires can be covered, and the aeration uniformity is obviously improved.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a head fixing device applied to ear post-operation, which comprises a base detachably mounted on a sickbed for use, and a fixing mechanism is arranged on the base; the fixing mechanism comprises fixing assemblies and a supporting assembly which are arranged on the base, the fixing assemblies are fixed to the two sides of the head of a patient, and the supporting assembly is supported at the lower jaw position of the patient; the supporting assembly comprises a first guiding groove formed in the side wall of the base, a guiding rod is arranged in the first guiding groove, two sliding blocks are slidably connected to the guiding rod, the ends of the sliding blocks are slidably connected with a supporting rod with the adjustable length, a supporting block is arranged at the top end of the supporting rod, and the supporting block is supported at the lower jaw position of the patient. The device is compact in structure and flexible to adjust, can stably support and fix the heads of ear postoperative patients of different body types, is higher in applicability, improves the supporting quality of the patients, improves the use comfort after long-time use, and accelerates the postoperative rehabilitation efficiency of the patients.

This utility model relates to the field of automotive manufacturing technology and discloses an installation and positioning structure for automotive taillights. It includes an installation housing, a fixed housing fixedly connected to the top of the installation housing, and an installation plate fixedly connected to the top of the installation housing. A sliding groove is provided on the top of the installation housing. This utility model uses a servo motor to drive the operation of a first transmission column, which in turn drives the meshing transmission of a first bevel gear and a second bevel gear, thereby achieving synchronous rotation of the second transmission column. This structural operation is further transformed into the rotation of a rotating disk, ultimately driving a moving block to slide smoothly within a limiting sleeve, allowing the insert block to accurately insert into the interior of the limiting column. This achieves rapid fixing of the taillight without the need for manual adjustment, improving installation efficiency and accuracy. Simultaneously, the cooperation between the guide block and the sliding column ensures stable insertion of the insert block, avoiding problems of insecure fixing due to shaking or errors, and enhancing the installation stability and reliability of the taillight.

The invention discloses a stator assembly, belongs to the technical field of motors, solves the problems of poor fixing effect of outgoing lines of coil windings and low production efficiency, and adopts the technical scheme that the stator assembly mainly comprises a stator iron core and the coil windings, and a plurality of winding teeth for winding the coil windings are uniformly distributed on the outer ring of the stator iron core along the circumferential direction; the stator assembly is provided with a plurality of winding teeth, a wire outlet groove is formed between every two adjacent winding teeth, the coil winding comprises a leading-out wire and a gap bridge wire which are led out and led in from the wire outlet grooves, the leading-out wire and the gap bridge wire are located on the same axial end side of the stator assembly, and the gap bridge wire is arranged along the outer side of the leading-out wire so as to limit the position of the leading-out wire. The lead-out wire fixing device is mainly used for achieving automatic fixing of the lead-out wire and improving the fixing effect. The invention also aims to disclose a stator assembly series winding method, a stator assembly parallel winding method and a motor.

The invention belongs to the technical field of nodular cast iron pipe installation, and particularly relates to a device and method for nodular cast iron pipe installation. The fixer is mounted on the bellmouth side of the pipeline I, and the uniform assistor is slidably connected to the periphery of the pipeline II; the uniform assistor comprises a shell, a chain block driving mechanism and two double-lifting-hook chain blocks are installed in the shell, and two lifting hooks of each double-lifting-hook chain block hook the fixing device and a bellmouth of the second pipeline respectively; compared with the prior art, the device and the method have the advantages and positive effects that one operator can finish the installation of the nodular cast iron pipeline by using the device and the method for installing the nodular cast iron pipeline, and the pipeline to be installed can be prevented from deviating; when the upper end of the driving shaft is connected with the output shaft of the motor through the coupler, manual operation is omitted, labor intensity is reduced, and working efficiency is improved; and the fixer is mounted on the bellmouth side of the pipeline I, so that infirm fixation caused by binding by using a steel wire rope is avoided.

The utility model relates to the technical field of rotary nailing machines, in particular to a rotary nailing machine for manufacturing wide foot piers, which comprises a nailing machine body, a nailing pipe is fixedly arranged at the output end of the nailing machine body, a fixing plate is fixedly arranged on the outer side of the nailing pipe, and a plurality of holes are formed in one side of the fixing plate. The hole penetrates through the fixing plate and extends to the other side, and an auxiliary pressing plate mechanism is arranged in the hole. According to the rotary nailing machine, auxiliary pressing is carried out on a wood board in the nailing process, shaking and deviation caused by impact force are prevented, and the nailing precision and stability are improved. The auxiliary pressing plate mechanism has buffering and self-adaptive adjusting functions and can adapt to workpieces with different thicknesses and surface states, damage is avoided, and the operation efficiency is improved. The automatic nailing machine is simple in structure, convenient to operate, suitable for nailing operation of large-size workpieces such as wide foot piers and high in practicability.

The utility model discloses a high branch picking cutter for efficiently harvesting pine cones, which relates to the technical field of gardening tools and comprises a fixing device, a connector is mounted on the upper surface of the fixing device in a threaded manner, one end of the connector is connected with a telescopic rod in a threaded manner, and one end of the telescopic rod is connected with a cutter in a threaded manner. Through the cooperation of the fixing device, the lead screw, the movable plate, the movable rod and the opening and closing plate, the fixing main plate is placed on the surface of a pine trunk to prevent the fixing device from being fixed unfirmly, through the cooperation of the connector, the connecting pipe, the ball joint and the telescopic rod, the telescopic bottom rod is held by hand in the picking process, and all-directional picking is achieved according to the distance and the direction of pine cones needing to be picked. Through cooperation of the cutter, the fixed blade, the movable blade, the movable pull plate, the reset spring, the baffle and the pull rope, pine cones can be easily and efficiently picked, meanwhile, the sharpness of the blades can be guaranteed through the baffle, and the influence on picking is reduced.

The present application relates to the technical field of power equipment, and especially discloses a cable fixing clamp, which comprises a main body, a clamping hole is formed in the main body, a bolt is arranged at the top of the clamping hole, a gradually changing groove is formed at the two ends of the inner wall of the clamping hole, the inner cavity of the gradually changing groove is a slope, the depth gradually decreases from the middle section to the two ends of the clamping hole, a clamping unit is arranged at the two ends of the inner cavity of the clamping hole, the number of the clamping units is at least two, the clamping unit comprises at least four clamping arc plates, the clamping arc plates are connected with the clamping hole through the gradually changing grooves, when the clamping arc plates move towards the two ends of the clamping hole, the spacing of the four clamping arc plates is reduced, so that the inner diameter of the clamping unit is reduced, the cable is fixed through the inner diameter adjustment of the clamping unit, the four arc plates are close to each other from the four directions of up, down, left and right, the effect that the cable of different diameters is adapted and the stress is uniform is achieved, and the core problems that the existing cable fixing clamp is eccentrically clamped to damage the sheath and cannot be compatible with cables of multiple specifications are solved.

The utility model discloses an advertisement design drawing equipment relates to advertisement drawing technical field, including the bottom plate, the surface symmetry of bottom plate is provided with adjusting assembly, and the upper portion of adjusting assembly is provided with support assembly, and one end of fixed plate is provided with fixed component, the utility model discloses one end of fixed plate is provided with fixed component, and the drawing board is firmly fixed through friction and wedge self -lock effect, and the height of fixed plate is adjusted through the telescopic link, ensures that the card board is always closely contacted with the drawing board surface, makes the card board can be according to the flatness of drawing board surface self -adaptation deformation, reduces the local gap, promotes the evenness of overall clamping, ensures that the elasticity always acts along the vertical direction of card board, avoids the fixed loosening due to the elasticity dispersion, and draws the operation to the inboard of fixed frame with drawing board fixed, thereby not only can avoid the drawing board in the process of using the loose situation, and can improve the applicability of device to a certain extent.

The utility model relates to a car flywheel assembly technical field especially a disc type car flywheel assembly, including the thimble and the round block, the front of thimble and the rear end surface of round block are fixedly connected, the upper and lower sides of round block are processed with recess respectively, the outer wall of round block is connected with the assembling structure, the inner wall of thimble is connected with fixed structure, the inner wall insertion joint of ring gear outer wall recess, at this time, the front of ring gear first straight board rear and the front of round block are pasted, then the right front bolt is screwed through the front circular mouth thread connection of first straight board and round block, complete the fixed of ring gear and round block, changed the original ring gear split mounting form, the block is inserted into the recess to form the restriction, can prevent the ring gear rotation in the outer wall of round block, and slow down the vibration that the bolt of first straight board bore, prevent disc type car flywheel assembly fixed loose, avoid the disc type car flywheel assembly outer wall ring gear misregistration.

The utility model discloses a loudspeaker grille for a vehicle, and belongs to the technical field of automobile accessory grilles. A round groove penetrating front and back is formed in the center of a main body plate, a first fixing ring is fixedly connected to the interior of the round groove, a second fixing ring is connected to the back face of the first fixing ring, a grating cover is arranged on the inner side of the first fixing ring, clamping pieces are connected to the periphery of the outer surface of the grating cover, and the front faces of the clamping pieces are attached to the back face of the first fixing ring. The movable strip is pushed upwards, the pressing ring is pressed backwards, the front end of the extrusion rod is far away from the clamping piece, at the moment, the clamping piece is unfixed, the grille cover is rotated clockwise, the clamping piece is aligned with the open groove, and then the grille cover can be taken out to be cleaned, so that the grille cover is convenient to disassemble and clean, and the cleaning efficiency is improved. The situation that dust is easily gathered in the grating after long-time use and grating holes are blocked is avoided, and the sound output effect of the loudspeaker is improved.

This utility model belongs to the technical field of outdoor tent fixing tools, specifically a method for fixing and stabilizing outdoor tents. It includes tent corners and a first fixing screw penetrating the tent corner. A U-shaped mounting frame is provided on the outside of the first fixing screw, and the first fixing screw passes through a threaded hole in the middle of the U-shaped mounting frame. A first auxiliary frame and a second auxiliary frame are provided on the inside of the U-shaped mounting frame. A second fixing screw passes through the middle of the first auxiliary frame, and a third fixing screw passes through the middle of the second auxiliary frame. This utility model, through the synergistic action of the three sets of fixing screws, forms a triangular or multi-point anchoring system after fixing the tent, distributing the stress area and enhancing grip. Even in hard soil conditions, the overall structure remains stable even if a single screw is not deeply inserted. The first and second auxiliary frames can rotate flexibly, allowing the screws to be inserted at an angle into the soil, improving lateral grip and enhancing applicability.

The invention discloses a measuring device for petroleum geological exploration. The device comprises a bottom plate, a first threaded shaft, a clamping plate, a measuring instrument, a fixing plate, a second threaded shaft, a sliding block, a pressing plate, a buffer spring, a buffer pad, supporting legs and a ground gripper. The beneficial effects of the invention are that through the arrangement of the third threaded shaft, the sliding part and the guide rod, the threaded connection between the third threaded shaft and the sliding part and the rotation connection between the sliding part and the guide rod, the measuring instrument can be effectively fixed, the problem of infirm fixation caused by the severe environment of oil exploration is avoided, the operation is simple, and the installation operation is convenient; through arrangement of a pressing plate, a buffer spring and a buffer pad, the pressing plate is fixedly connected with the buffer spring, and the buffer spring is fixedly connected with the buffer pad, so that the measuring instrument can be effectively protected, the measuring instrument is prevented from being damaged due to impact of external force during use, and the service life of the measuring instrument can be greatly prolonged; and the progress of petroleum geological exploration detection is prevented from being influenced.

The invention relates to the field of detection equipment for protective clothing production, in particular to an air permeability detection device for protective clothing production. The device comprises a bottom plate, a sealing detection box, a winding disc, a wind power detector, a fan, a vertical rod, a clamping piece, a tensioning piece and the like. The draught fan blows air into the sealing detection box, the wind power detector detects wind power changes, the clamping pieces on the vertical rods fix the ends of the cloth, the tensioning pieces enable the cloth to be kept in a tensioned state, and therefore accurate detection of the air permeability of the cloth is achieved. The effect of improving the detection precision and efficiency is achieved.

This invention belongs to the technical field of monitoring devices, specifically a monitoring device for elevator IoT devices. Addressing the issue of poor air circulation inside elevators, which easily leads to water mist affecting monitoring performance, the following solution is proposed: A mounting base, a fixing seat, and an elevator car panel are included. An installation opening is formed on one inner wall of the mounting base. An airflow chamber is fixedly connected to the inner wall of the installation opening, and two air collection buckets are fixedly connected to one outer wall of the airflow chamber. The input ends of the two air collection buckets are fixedly connected to the same air collection chamber. Air inlets are fixedly connected to the top and bottom of the air collection chamber, and three guide plates are evenly spaced inside the two air inlets. Two mounting brackets are fixedly connected inside the airflow chamber. This invention discloses a monitoring device for elevator IoT devices that improves air circulation around the monitoring device, preventing misting on the device's surface, ensuring its effectiveness, and allowing for surface cleaning.

This utility model discloses a guzheng with easily replaceable strings, relating to the field of guzheng technology. The guzheng with easily replaceable strings includes a body with mounting holes at the bottom. An internal limiting component is provided within the body to restrict the position of the front end of the strings. The limiting component includes a connecting plate fixedly installed inside the body, with a threaded seat fixedly installed inside the connecting plate. During tuning, a spring continuously applies a spring force to a lower pressure block, pushing it downwards along the sliding direction of the guide post, ensuring that the rubber pad at the bottom of the lower pressure block tightly adheres to the strings. The toothed protrusions at the bottom of the rubber pad further increase the friction between the rubber pad and the strings. Even if the limiting post is rotated for tuning purposes, the spring force continues to act on the lower pressure block, ensuring that the pressure of the rubber pad on the strings remains stable, effectively avoiding the problem of loosening due to repeated adjustments in traditional structures.

The invention discloses a tension verification device for a logging instrument, and relates to the technical field of oil field logging. The tension verification device for the logging instrument comprises a fixed plate, the top of the fixed plate is fixedly connected with a sliding rod, and the outer wall of the sliding rod is movably connected with a fixed detection mechanism. According to the tension verification device for the logging instrument, the fixing sleeve is fixed to the corresponding position of the sliding rod by screwing the fixing rotary knob, the pressing clamp and the corresponding clamping rotary knob are closed by screwing the corresponding clamping rotary knob and under the action of threads, and therefore the corresponding part of the logging instrument is fixed; when the logging instrument is held by a hand, the gas in the gas bin can be exhausted from the hole in the hole clamp through the pipeline, the gas can be blown to the surface of the logging instrument to dry the liquid, the situation that when the logging instrument is held by the hand, the surface of the instrument is contaminated with sweat, and consequently the instrument is not firmly fixed is avoided, the gas hole is blocked by the logging instrument, the gas hole can be sucked, and the verification accuracy is further guaranteed.

The utility model relates to medical equipment technical field, concretely disclose a surgical position fixing frame, including operating bed body, controlling means, buzzer and timer, still include: position fixing subassembly, position fixing subassembly is provided with two groups, is arranged respectively at the outside both sides of operating bed body, and the setting of position fixing subassembly is used for fixing the hand of patient, position fixing subassembly includes rack, gear and connecting frame respectively, connecting frame does linear motion along rack, and the fixed position of hand is flexibly adjusted, medical staff can flexibly adjust the position of hand fixed according to the operation demand, improve the adaptability and flexibility of operation, the inflation of air bag can provide uniform fixing force, avoid the local compression and blood circulation that traditional restraint belt can cause are not smooth, medical staff can adjust the inflation of air bag and the position of moving connecting frame according to the actual situation in the operation process through controlling means at any time, avoid long -term oppression same position.

The invention discloses a test device for a shipborne high-speed boat engine, and the invention relates to the field of mechanical equipment testing technology, including a composite mechanism. The test device for the shipborne high-speed boat engine is designed with a composite mechanism, and the bearing plate is controlled to slide on the surface of the slide rail block, so as to achieve the function of regulating the spacing, and the auxiliary slide rail plays the role of auxiliary sliding, so as to ensure the stability of the sliding of the components, and avoid the displacement when the engine is carried, and then the clamp is controlled by an electric push rod to fix the engine, and the shaking of the engine is prevented during the detection, so as to avoid affecting the detection effect, and the clamp drives the clamp mechanism to fix the engine, and the slide block plays the role of guiding, so as to avoid the displacement of the clamp mechanism when it moves, and improve the accuracy of the operation, and the clamp mechanism is adjusted according to the size of the engine, so as to achieve the function of expanding the scope of application, improve the applicability of the clamp, and prevent the unstable fixing of the engine.

The utility model relates to the technical field of supporting plates, and discloses a supporting plate device for transporting an engine packaging box, which comprises a base, a protection pad and supporting legs, the protection pad is embedded in the top of the base, the supporting legs are assembled on two sides of the bottom of the base, the interiors of the supporting legs are connected with rotating shafts through mounted bearings, and driving mechanisms are assembled outside the rotating shafts. The driving mechanism comprises a worm gear and a limiting magnetic block, the worm gear sleeves the rotating shaft, a worm is meshed with the exterior of the worm gear, a turntable is connected with the exterior of the worm, and a handle is connected with the exterior of the turntable through a hinge. According to the supporting plate device for transporting the engine packaging box, the problems that a large amount of time is needed when the engine packaging box is fixed and fixing is not firm when the engine packaging box is fixed are solved, meanwhile, by additionally arranging a handle and a limiting magnetic block, a worker can conveniently drive a worm and a worm to rotate for transmission, and meanwhile the working efficiency is improved. And the driving mechanism can be self-locked after being used, so that the overall stability of the device is greatly improved.

The present application relates to a kind of installation methods for inclined boss broken line special unit curtain wall, comprising the following steps: the inclined boss broken line special unit curtain wall to be installed is hoisted to the n layer floor to be installed;By hoisting device, electric hoist and hand hoist cooperation, the inclined boss broken line special unit curtain wall to be installed is horizontally transported to preset position and is hung on structure;By hoisting device, electric hoist and tensioner cooperation, the inclined boss broken line special unit curtain wall to be installed is inserted and fine-tuned, until it is inserted and adjusted to position;The inclined boss broken line special unit curtain wall to be installed is inserted and fastened and connected on structure;So set, compared with the conventional installation mode of special unit curtain wall slab, avoid the fixed in the air special unit curtain wall slab hoisting, improve the stability of installation;At the same time, improve security and installation quality.

The utility model discloses a user photovoltaic assembly, which comprises a lower frame, an upper frame, a bearing rope and a photovoltaic tile, and is characterized in that the lower frame is fixedly arranged; a lower supporting edge is arranged on at least one side of the lower frame; the upper frame and the lower frame are detachably connected, the upper frame and the lower frame are mutually buckled to form a rope penetrating hole, the bearing rope penetrates through and is fixed in the rope penetrating hole, the two ends of the bearing rope are fixedly arranged, a suspension supporting structure is formed, the vertical load of the user photovoltaic module on the roof is effectively reduced, and the situation that the user photovoltaic module is not firmly fixed due to damage of the roof structure is avoided. An upper extrusion edge is arranged on at least one side of the upper frame, and a tile clamping groove is formed between the lower supporting edge and the upper extrusion edge which are opposite; the edge of the photovoltaic tile is clamped and fixed in the tile clamping groove, the clamping structure is used for replacing the existing bolt connection, and the problem that the photovoltaic module of a user is not firmly fixed due to the fact that the bolt vibrates and loosens is solved. Therefore, the fixing reliability of the user photovoltaic assembly can be improved.

The invention relates to the technical field of thermoacoustic instability, in particular to a heat source device for a Rijke pipe and a use method, and aims to solve the problem that heating elements are in contact short circuit or contact with a pipe wall due to the fact that the arrangement space of the heating elements in the pipe is insufficient, the arrangement is too compact and the fixation is unstable. Comprising a heating supporting piece, a first insulating piece, a connecting piece, heating elements and a second insulating piece, the connecting piece is provided with a first groove for placing the heating supporting piece and a second groove for placing the first insulating piece, the heating supporting piece is located in the first groove, the heating supporting piece is used for fixing the heating elements, and the heating elements are evenly distributed on the heating supporting piece. The heat source device for the Rijke pipe and the using method are used for heating the interior of the Rijke pipe.

The utility model discloses a drainage tube, and relates to the technical field of medical instruments. The drainage tube comprises a drainage tube body and at least one elastic fixing application, the elastic fixing application comprises a rubber fixing seat and a medical application; the rubber fixing seat comprises a cylinder body, a cross-shaped seat and a connecting column positioned between the cylinder body and the cross-shaped seat; the cross seat is bonded with the medical application, and the barrel body is sleeved on the drainage tube body. By adopting the fixing structure made of the elastic rubber material, swinging force applied when two or three joints of the drainage tube body are in butt joint can be buffered, the problem that the drainage tube body is not firmly fixed due to pulling force is effectively avoided, the pulling force of the drainage tube body on the elastic fixing application is buffered through deformation of the elastic connecting column, and the drainage tube body is prevented from being damaged. Therefore, the use stability and the use duration of the elastic fixing application are enhanced.