273results about How to "Meet installation needs" patented technology

The invention belongs to the technical field of deepwater oil and gas field drilling gas cut monitoring, and particularly relates to a deepwater drilling ultrasonic Doppler gas cut monitoring device and a transducer arrangement method thereof. According to the ultrasonic Doppler gas cut monitoring device, a brand-new ultrasonic Doppler transducer and transducer tool structure is designed, and the sound wave transmissivity between the ultrasonic Doppler transducer and the marine riser is improved, so that the ultrasonic Doppler gas cut monitoring device is more suitable for implementation working conditions of deepwater drilling seabed, more convenient to install and use and higher in monitoring efficiency. The deepwater drilling ultrasonic Doppler gas cut monitoring device comprises a transducer tool and a plurality of ultrasonic Doppler transducers, the transducer tool is composed of two annular straps; wherein the two annular strap bodies are both semicircular and are connected through bolts to form an integrated structure; a plurality of round holes are formed in the annular strap at equal intervals, and positioning pieces are welded in the round holes; a pressing piece is arranged at the positioning piece in a matched mode. The ultrasonic Doppler transducer is composed of a shell, a piezoelectric wafer, a backing layer and an oblique incidence acoustic wedge.

The invention relates to an aluminum alloy cable connector, and belongs to the technical field of cable installation. The aluminum alloy cable connector comprises a crimping pipe, two insulating threaded pipes and two threaded sleeves, the two insulating threaded pipes are fixedly connected to the two ends of the crimping pipe respectively, and the two threaded sleeves are in threaded connection to the opposite ends of the two insulating threaded pipes respectively; the sealing device is arranged on the surface of the crimping pipe in a sleeving manner; a user only needs to rotate the threaded sleeve to perform internal and external sealing operation at the same time, and in the process, the first internal sealing mechanism not only can perform double sealing on a gap between the aluminum alloy cable and the insulating threaded pipe, but also can firmly bond the aluminum alloy cable and the insulating threaded pipe together, so that the sealing effect is good. Therefore, the aluminum alloy cable protection layer and the insulation threaded pipe are connected more tightly, and the overall connection strength of the connector is improved.

The invention relates to the technical field of renewable energy sources, and discloses an ocean photovoltaic power generation floating type device, which comprises a plurality of groups of base body mechanisms used for a main body frame of a structure and playing a role in connecting each part structure; the multiple sets of anti-collision type buoy mechanisms are arranged on the periphery of the base body mechanism, each anti-collision type buoy mechanism is composed of an internal buoy and an external anti-collision box, the buoys provide main buoyancy for the structure, and the anti-collision boxes are used for preventing the structure from being collided and damaged; the multiple sets of supporting mechanisms are arranged on the upper side of the base body mechanism and used for supporting photovoltaic pieces. The spraying mechanisms are arranged on the upper side of the base body mechanism and used for assisting in cleaning the photovoltaic part. A worker can conveniently adjust the angle of the photovoltaic panel through the supporting mechanism to adapt to photovoltaic panels of different sizes, and the power generation efficiency and universality are improved; the anti-collision box and other structures can buffer external force, store cleaning fluid, prevent collision, keep stability, reduce loss and prolong the service life; the high-pressure pump and the rolling brush are used for cleaning the photovoltaic panel, and the light transmittance and efficiency are guaranteed.

The invention provides a drilling rig mast structure and a rotary drilling rig, the drilling rig mast structure comprises a mast body and a cathead arranged at the top end of the mast body, an oil cylinder mounting seat and a winch mounting seat are arranged on the mast body, the oil cylinder mounting seat is used for mounting an oil cylinder pressurizing device, and the winch mounting seat is used for mounting a winch pressurizing device. The oil cylinder mounting seat is arranged on one side, close to a drill rod, of the mast body, and the winch mounting seat is arranged on one side, away from the drill rod, of the mast body. The mast structure of the drilling machine is high in universality, can be compatible with the installation of an oil cylinder pressurizing device and a winch pressurizing device, is convenient to operate, and is favorable for reducing the equipment cost.

The invention discloses an unmanned aerial vehicle bomb hanging device and an unmanned aerial vehicle bomb hanging method, and relates to the technical field of spaceflight application, the unmanned aerial vehicle bomb hanging device comprises a remote control AGV trolley which is provided with a Z-direction lifting platform, an X-direction moving platform is arranged on the moving end of the Z-direction lifting platform, and a Y-direction moving platform is arranged on the moving end of the X-direction moving platform; the at least two pitching adjusting platforms are connected with the moving end of the Y-direction moving platform respectively, and all the pitching adjusting platforms are arranged in the X direction; the multiple ball clamping rings are arranged at the moving end of the pitching adjusting platform correspondingly, and the ball clamping rings are used for being attached to the outer surface of the guided missile; the missile hanging push rod is arranged at the moving end of the pitching adjusting platform, located at one end of the X-direction moving platform and used for being attached to the head of a missile; the bomb hanging device is small in size, light in weight and easy and fast to operate, the operation time can be saved, and the technological process can be simplified.

The utility model discloses a movable top cover device of a vehicle-mounted compartment and belongs to the technical field of special vehicles. The vehicle-mounted compartment comprises a bottom plate and a compartment body installed on the bottom plate, the compartment body is provided with a pair of side face plates and a pair of end face plates, and the movable top cover device is detachably installed on the top of the compartment body and comprises two inclined wall assemblies, a top wall assembly connected between the two inclined wall assemblies and a pair of end wall assemblies. Wherein the two sets of inclined wall assemblies are arranged downwards in an inclined mode, the bottoms of the inclined wall assemblies are arranged on the tops of the corresponding side face plates respectively, and the two sets of inclined wall assemblies are fixedly connected with the side face plates through a plurality of zipper pieces. The bottoms of the two end wall assemblies are fixedly connected to the top of the end panel. The compartment has the advantages that the compartment space is effectively expanded, and use requirements of different scenes are met; the movable top cover device is detachably installed on the compartment body, installation of various devices is facilitated, the convenience of installation and maintenance of the devices is improved, and the compartment body can conveniently pass through a tunnel and a culvert.

The invention discloses an accurate temperature control test bench based on a performance test of a telemetering device, and the test bench comprises a drive motor, a temperature adjustment unit, a cooling unit, the telemetering device, a distance adjustment unit, and a temperature monitoring and loading unit, and is compact in structure, simple in composition unit, and convenient to remanufacture and maintain; multi-state performance tests under different rotating speeds, temperatures and loads can be carried out, and the application range is wide; the distance adjusting unit can be used for testing the stability of the receiving unit and the data acquisition unit at different distances, so that the mounting requirements of different devices are met; the telemetering device is cooled according to the cooling unit, and the cooling requirements of the telemetering device in different test states are met; by means of the arrangement of the heat shield, it can be guaranteed that the temperature sensor is closest to the position of the heating wire, the influence of the heating wire on the temperature is avoided, most accurate temperature monitoring is achieved, continuous monitoring can be achieved, and the gas temperature can be accurately monitored without influencing the monitoring accuracy.

The utility model is suitable for the technical field of beauty, and provides a storage box and a beauty instrument assembly. A box body and a disinfection assembly are arranged, the box body comprises a main body and a cover body installed on the main body, the main body comprises a shell and a storage support arranged in the shell, a storage cavity used for storing the beauty instrument is formed in the storage support, and a containing space is formed between the storage support and the shell; the storage cavity is provided with a disinfection window which is arranged corresponding to a working head of the beauty instrument; the disinfection assembly is installed in the containing space, and the disinfection assembly is arranged corresponding to the disinfection window and used for disinfecting the beauty instrument. Therefore, when the beauty instrument is placed in the storage cavity, the disinfection assembly arranged on the side wall of the storage cavity right faces the working head of the beauty instrument, the working head of the beauty instrument is located in the working range of the disinfection assembly, the working head of the beauty instrument can be automatically disinfected by starting the disinfection assembly, manual disinfection is not needed, and the operation is convenient. And the disinfection efficiency and the disinfection effect of the working head of the beauty instrument are ensured.

The utility model relates to the technical field of nickel base alloy smelting, and provides a nickel base alloy induction smelting feeding device which comprises a shell, an access door is fixedly connected to the upper end of the front face of the shell through a hinge, connecting bases are fixedly connected to the two sides of the bottom end of the shell, and a discharging hopper is fixedly connected to the top end of the shell. The device comprises a shell, fixing plates are fixedly connected to the upper ends of the two sides of the inner wall of the shell, servo motors are fixedly connected to the two sides of the back face of the shell, and the output ends of the servo motors extend into the shell and are fixedly connected with pressing rollers through couplings. And the elastic force of the reset spring is utilized to enable the positioning block to slide and be clamped into the proper positioning groove, so that the overall height of the outer discharging pipe and the inner discharging pipe can be changed, the mounting requirements of different induction furnace feeding ports are met, the complexity and inconvenience that the height needs to be adjusted and heightened due to different heights of the induction furnace feeding ports are avoided, and the applicability is improved.

A novel motor end cover comprises a rotary transformer stator mounting hole arranged in the center of the top surface of the outer side of the end cover and a bearing mounting hole arranged in the center of the inner side of the end cover, the center of the rotary transformer stator mounting hole and the center of the bearing mounting hole are located on the same axis, and a junction box cover mounting seat is arranged on the outer side of the circumference of the rotary transformer stator mounting hole. A three-phase connector is arranged on the side wall of the upper portion of the junction box cover installation base, a suspension installation base is arranged on the outer side of the lower portion of the junction box cover installation base, the junction box cover installation base is connected with the bottom of the suspension installation base through an end cover wall, and connecting ribs are arranged between the end cover wall and the lower junction box cover installation base wall and between the end cover wall and the rotary transformer stator installation hole wall. The connecting ribs protrude towards the top end of the end cover, and a weight reduction groove with an h-shaped section is formed among the connecting ribs, the wall of the end cover, the wall of the lower junction box cover mounting seat and the wall of the rotary transformer stator mounting hole.

The utility model discloses an adjustable television connection hanger belongs to television installation equipment technical field, including wallboard, adjusting arm, hanging board, connecting plate, crosspiece and hook adapter, the wallboard is connected with the hanging board through adjusting arm, the connecting plate is fixed in one side of hanging board, the crosspiece is two, two crosspiece symmetry is installed in the connecting plate, the hook adapter is two, and is installed with the inner hook on the hook adapter, the hook adapter cooperation inner hook is installed on the crosspiece, be equipped with the pitch adjusting bolt on the inner hook, two extension rods are movably connected in the crosspiece, the bottom of crosspiece is fixed with a plurality of cable fixer. This adjustable television connection hanger not only reduces the transportation cost, guarantees the stability after television installation simultaneously, and is suitable for different size television, and can effectively fix cable.

The utility model belongs to the technical field of furnace door, concretely relates to a furnace door automatic opening and closing device and rotary lifting device, and the device includes: frame, swing arm and furnace door connecting arm connected with swing arm, lifting mechanism is set at the top of frame, among them the lifting rod in lifting mechanism is connected with swing arm to be suitable for lifting furnace door connecting arm in the lifting rod lifting process, rotary mechanism is set below frame, among them the rotation axis in rotary mechanism is with the axis of lifting rod collinear, and both are through the abutment of joint axle, and then when the rotation axis rotates, it drives the deflection of furnace door connecting arm to open the furnace door, through being provided with lifting mechanism and rotary mechanism, and make the axis of lifting rod and rotation axis in two mechanisms collinear, and then reduce the installation land space of two mechanisms, make two satisfy the control furnace door connecting arm drive furnace door lifting, rotary operation at the same time, reduce the installation land space, satisfy the installation demand of compact space.

The invention belongs to the technical field of steel structures, and discloses an operation platform moving device and a using method thereof, and the operation platform moving device comprises a platform frame body, a translation track, a translation mechanism and a lifting mechanism. The platform frame body is provided with a working face extending in the horizontal direction, the translation rail is arranged on the main body structure and extends in the horizontal direction, the translation mechanism is movably installed on the translation rail, connected to the platform frame body and capable of driving the platform frame body to move in the horizontal direction, and the lifting mechanism can drive the platform frame body to ascend and descend. By means of the arrangement, the operation platform moving device can efficiently and conveniently achieve moving of the working face, so that a suspended ceiling and a to-be-lifted piece can be conveniently installed.

The utility model discloses an unmanned aerial vehicle-mounted radar hanger structure with a damping function, which relates to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a base net rack and a pull net rack. The base net rack is connected to the bottom surface of the unmanned aerial vehicle body through bolts, and the lower part of the base net rack is provided with a sunken upper mounting groove; the pull net rack is arranged below the base net rack, the edge of the pull net rack is connected with the base net rack through a plurality of elastic connecting pieces, the upper portion of the pull net rack is provided with a sunken lower installation groove, and the lower installation groove corresponds to the upper installation groove and is used for being connected with the airborne radar in a clamped mode. Through the elastic connecting pieces between the base net rack and the towing net rack and the elastic supporting pieces on the towing net rack, vibration and impact generated in the flying process of the unmanned aerial vehicle can be effectively absorbed and buffered, precise equipment such as airborne radar can be protected, the performance of the unmanned aerial vehicle is improved, and the service life of the unmanned aerial vehicle is prolonged.

The invention relates to the technical field of transmission instruments, in particular to an underwater gearbox. The underwater gearbox comprises a power input mechanism, a power switching mechanism, a power output mechanism, a pressure balance mechanism and a relief mechanism, the input end of the power input mechanism can be in butt joint with the output end of the underwater robot and transmit torque, the power switching mechanism comprises a bevel gear, and the bevel gear is in butt joint with the output end of the power input mechanism and transmits torque. The power output mechanism is provided with a worm and gear structure, the input end of the worm and gear structure is fixed to the bevel gear, the bevel gear is configured to change the power transmission direction of the power input mechanism, the output end of the worm and gear structure is in butt joint with the input end of the underwater valve and transmits torque, and the pressure balance mechanism is in sealed butt joint with the power output mechanism. The pressure balance mechanism can balance the internal and external pressure of the underwater gear box body, and the relief mechanism can conduct the outside and the interior of the underwater gear box when the internal pressure of the underwater gear box reaches a preset value.

The sleeve structure comprises a sleeve body and a screw rod, a through hole is formed in the outer portion of the sleeve body, a gasket is fixedly connected to the outer portion of the screw rod, an annular rail is fixedly connected to the bottom of the gasket, a ball is rotationally connected to the interior of the annular rail, and the ball abuts against the outer portion of the sleeve body. A mounting plate is rotatably connected to the exterior of the screw rod, a sliding groove is formed in the bottom of the mounting plate, a sliding block is slidably connected to the interior of the sliding groove, an arc-shaped clamping plate is fixedly connected to the bottom of the sliding block, and a tightening mechanism is mounted in the sliding groove. According to the device, the screw rotates in the screw hole to push the sleeve body to be accurately pushed, efficient, smooth and concentric installation of the bearing and the mechanical seal is achieved, the slidable arc-shaped clamping plates and the tightening mechanism are adopted, the device adapts to sleeves of different sizes, universality and adaptability are achieved, the requirements of various pump devices are met, and the left arc-shaped clamping plate and the right arc-shaped clamping plate are clamped in a balanced mode. Quick alignment is facilitated, and the mounting efficiency and precision are improved.

The utility model relates to the technical field of ceramic tile structures, in particular to an easily-installed antique ceramic tile which comprises a ceramic tile body, a material storage groove is formed in the outer wall of the ceramic tile body, a fixing groove is formed in the side wall of the ceramic tile body, a limiting assembly is installed on the inner wall of the fixing groove, and a limiting strip block is installed on the inner wall of the material storage groove. By arranging the limiting strip blocks, a reference effect can be achieved when bonding materials are plastered, the hollowing condition is avoided, the installation efficiency is improved, the limiting assemblies are attached to the side walls of the ceramic tiles, when the ceramic tiles are installed in place, the cross-shaped limiting blocks play a role in limiting the size of ceramic tile gaps, and after the ceramic tiles are installed in place, the limiting assemblies can be used for limiting the size of the ceramic tile gaps. After the ceramic tile is installed, the cross-shaped limiting block can be pulled out only by applying pulling force to the cross-shaped limiting block so that the stress fracture groove of the cross-shaped limiting block can be fractured, the installation efficiency is greatly improved, and installation is convenient, simple and more efficient.

The utility model discloses a temporary jacking oil system which comprises a main oil tank, an oil inlet pipeline, an oil filter, a jacking oil pump, an oil collecting tank, an oil return pipeline and an oil return pipeline. The oil inlet pipeline is connected between the main oil tank and the steam turbine generator, and the oil filter and the jacking oil pump are arranged on the oil inlet pipeline; the oil return pipeline is connected between the steam turbine generator and the oil collecting tank, and the oil return pipeline is connected between the oil collecting tank and the main oil tank. The temporary jacking oil system provided by the utility model is suitable for the installation stage of a steam turbine, and provides high-pressure jacking oil to jack up a rotor, so that the conditions of rotor disc rotation and shafting centering are met, and the purpose of optimizing the installation period is achieved.

The utility model relates to the technical field of automobile wire harness ribbons, and discloses a staple bolt ribbon structure for a CTC automobile wire harness, which comprises a mounting seat, a wire arranging seat and a ribbon body, a limiting groove is formed in the wire arranging seat, an adjusting assembly is arranged in the limiting groove, one end of the ribbon body is provided with the limiting assembly, and the other end of the ribbon body is provided with the adjusting assembly. And the adjusting assembly comprises a limiting rod arranged in the limiting groove, a connecting block is arranged in the limiting rod, a first toothed plate is arranged in the limiting groove, a first reserved mounting frame is arranged at the top of the first toothed plate, a penetrating groove is formed in the inner side wall of the limiting groove, and a motor is arranged on the inner bottom wall of the penetrating groove. According to the utility model, by adopting the split type fixing cable tie, the binding stability of the automobile wire harness can be improved, so that the automobile wire harness can adapt to high-temperature and high-humidity severe environments, the installation requirements of positions such as an automobile engine compartment are further met, and the applicability and the practicability of the automobile wire harness fixing cable tie are improved.

The application discloses a vibration durability simulation test tool for installation forming fasteners and a test method, relates to the technical field of durability performance detection of fasteners, and the tool comprises a vibration support table, a sample mounting plate and a pressing plate. The tool is accurately designed to simulate the stress state and the use environment of the fasteners under actual installation working conditions, and a standardized test procedure is adopted to test and compare the vibration durability performances of various installation forming fasteners under simulated complex service environments, especially under the multi-load coupling working conditions in large equipment. The scheme can realize high-fidelity simulation of the performance of the fasteners under real working conditions, and provides a scientific basis for product reliability evaluation and improvement.

The utility model discloses a modular building door and window reinforcing structure, which belongs to the technical field of building door and window reinforcing, and comprises a clamping piece clamped on a rock wool color steel sandwich wallboard and a door and window frame fixedly mounted on the clamping piece, reinforcing pieces used for reinforcing and supporting the door and window frame are arranged between the clamping pieces and the rock wool color steel sandwich wallboards. The reinforcing piece comprises a galvanized rectangular pipe and a fastening piece, wherein the galvanized rectangular pipe is arranged between the clamping piece and the rock wool color steel sandwich wall plate and used for reinforcing and supporting the door and window frame, and the fastening piece is arranged on the galvanized rectangular pipe and used for connecting the door and window frame, the clamping piece, the galvanized rectangular pipe and the rock wool color steel sandwich wall plate. According to the door and window structure reinforcement, the galvanized rectangular pipes are arranged, so that various installation requirements caused by self weight factors can be met under the condition that the normal installation technology of the rock wool color steel sandwich wall plate is not influenced, the installation stability of the modular building door and window structure is ensured, and therefore the phenomena of wall surface inclination, wall surface deformation and the like are avoided.

The utility model provides a combustible gas detection alarm for safety acceptance evaluation, which relates to the technical field of combustible gas detection and comprises an adjusting mechanism, the adjusting mechanism comprises a mounting rack, a fixing mechanism is arranged on one side of the mounting rack, and a rotary handle is arranged on the inner wall of a clamping groove formed in the bottom of the mounting rack. Compared with a traditional mode that the instrument is directly installed on the wall face through bolts, the mode has the advantages that when the positions of components such as the instrument and the like are adjusted, the position of the instrument can be adjusted again without using a proper tool to disassemble a nut for fixing the instrument, no extra tool is needed or the nut is disassembled and fixed, and the operation is simple and convenient. Position adjustment can be carried out through the rotating handle, tedious steps are omitted, the adjustment efficiency is improved, the position change in the adjustment process is more accurate by synchronously driving the threaded column, the instrument and other assemblies to move synchronously, the position of the instrument can be accurately controlled, and the monitoring accuracy is ensured.

The invention discloses a fresh air assembly and an air conditioner, the fresh air assembly comprises a shell and a wind wheel, and a worm wheel cavity is formed in the shell; the wind wheel is rotatably arranged in the worm wheel cavity; wherein an installation groove in the thickness direction of the wind wheel is formed in the shell, a ventilation opening penetrating in the thickness direction is formed in the bottom wall of the installation groove, and at least part of the wind wheel is contained in the installation groove. According to the fresh air assembly, the mounting groove is formed, and at least part of the wind wheel is arranged in the mounting groove, so that the thickness of the wind wheel can be increased, the air outlet amount can be increased, backflow of airflow is reduced, and the air outlet efficiency is improved.

This utility model relates to the field of medical device technology, and in particular to an intraoral scanning mounting structure and an intraoral scanning device. The intraoral scanning mounting structure includes: a housing with a mounting position, on which a protrusion is provided; an electro-optical component is mounted on the mounting position, and a groove is formed on the circumferential edge of the electro-optical component for the protrusion to extend into, thereby positioning the electro-optical component; an elastic component includes a first elastic member and a second elastic member, which are independently provided. The first elastic member is clamped between the mounting position and a first wall of the electro-optical component, and the second elastic member is clamped between the mounting position and a second wall of the electro-optical component, thus satisfying the installation and fixing requirements while allowing the electro-optical component to move within the mounting position due to thermal expansion and contraction; in the circumferential direction of the electro-optical component, a groove is provided between the portion of the first wall that abuts against the first elastic member and the portion of the second wall that abuts against the second elastic member, thereby ensuring the installation accuracy requirements of the electro-optical component.

The present invention provides an efficient installation method for a cyclone separator in a reactor of a methanol to olefins device, comprising: making an auxiliary tool; using a truck crane to place each group of rough rotation, single-stage right-hand rotation and single-stage left-hand rotation on the auxiliary tool and adjusting the horizontality of the separator interface; using the auxiliary tool to fine-tune the interfaces of the rough rotation, single-stage right-hand rotation and single-stage left-hand rotation, and welding after adjusting the horizontality; installing a temporary bracket in the upper cylinder of the reactor, which is used as a temporary bracket platform for the cyclone separator, and marking the axis position of each cyclone separator on the temporary bracket; using a crawler crane to place each group of cyclone separators on the temporary bracket in turn, and the lower part is fixed by angle steel welding. The present invention realizes the pre-assembly and installation of the cyclone separator on the ground in advance by prefabricating a simple and easy-to-use auxiliary tool, which not only expands the construction work surface, but also shortens the high-altitude operation time, improves the installation efficiency and safety, and ensures the safety and quality of the construction.

The application provides a panel bottom box assembly, comprising: a first shell, the first shell comprising a plurality of first side walls, a containing portion being formed between the plurality of first side walls; a first connecting piece being arranged on each of the first side walls, the first connecting piece being located in the containing portion, and the length of the first connecting piece being along a first direction; a second shell, the second shell comprising a plurality of step structures and a plurality of second side walls, the second side walls extending from the step structures towards the first shell, a second connecting piece being arranged on each of the second side walls, and the length of the second connecting piece being along the first direction; wherein the number of the first side walls, the second side walls and the step structures is equal, the plurality of second side walls are located in the containing portion, and the first connecting pieces and the second connecting pieces correspond to each other and are in sliding connection. The panel bottom box assembly provided by the application can adapt to different cavity sizes between a wallboard and a wall body, and can realize flush embedding of a switch panel and the wallboard.

The utility model relates to the technical field of filtering equipment, and discloses a filter fixing device which comprises a mounting plate, a height adjusting mechanism and an auxiliary adjusting mechanism are arranged on the two sides of the top of the mounting plate respectively, the auxiliary adjusting mechanism comprises a second connecting block, and a mounting seat is arranged on the top of the height adjusting mechanism and the top of the auxiliary adjusting mechanism. The second connecting blocks are fixedly connected to the mounting base, the left side and the right side of the top of the mounting base are fixedly connected with storage plates, the front side and the rear side of each storage plate are fixedly connected with connecting lug plates, mounting holes are formed in the connecting lug plates, fastening rods are arranged in the connecting lug plates, and fastening nuts are arranged at the bottoms of the connecting lug plates. Through mutual cooperation of the height adjusting mechanism and the auxiliary adjusting mechanism, the filter fixing device can adjust the height and the angle of the mounting seat according to actual requirements, so that a user can conveniently fix and mount filters with different sizes and shapes.