1576results about How to "Achieve installation" patented technology

The invention relates to the technical field of cable branch boxes, and discloses a cable branch box which comprises a box body and a box door, the box door is rotatably connected to the box body, a placement groove is formed in the box body, a through hole communicated with the placement groove is formed in the box body, and an elastic plate used for completely blocking the through hole is arranged on the through hole. According to the device, the through hole is blocked through the elastic plate, so that small animals are difficult to directly pass through the through hole to enter the placement groove; when a worker cuts the elastic plate, the cable enters the placement groove through the elastic plate, and the elastic plate abuts against the outer surface of the cable, so that the elastic plate can limit the distance between the cable and the through hole, thereby reducing the possibility that a small animal climbs into the placement groove along the cable, and further reducing the damage of the small animal to the electrical component.

The invention relates to the technical field of belt conveyors, in particular to a belt conveyor applying a combined roller structure, which comprises a mounting frame and a conveying belt, the conveying belt is mounted at the upper end of the mounting frame, and two groups of roller mechanisms are movably mounted in the conveying belt. A driving mechanism is mounted on one side of one group of roller mechanisms; the belt conveyor has the beneficial effects that the belt conveyor adopts a combined roller structure, flexible installation and adjustment of all parts in the roller are achieved, the adaptability and maintenance convenience of the conveyor are improved, compensation of a notch of the containing groove is achieved in cooperation with the arrangement of the tensioning compensation block, tensioning adjustment of an external conveying belt is met, and the service life of the belt conveyor is prolonged. When the adjusting part extends out, the friction force between the hollow roller body and the conveying belt can be increased, so that the belt is tensioned, the belt is prevented from loosening and shifting in the conveying process, and the use requirement of the belt conveyor is met.

The invention relates to a quick dismounting device of an electronic module and a dismounting method thereof, belongs to the technical field of module installation, and solves the problems of inconvenient installation and unreliable fixation of a vehicle-mounted electronic module in the prior art. The quick release device of the electronic module comprises a mounting plate, a seat plate, a guide strip, a locking assembly, an unlocking assembly, a guide block and a limiting block, wherein the seat plate and the guide strip are arranged on the mounting plate, and the guide block and the limiting block are arranged on a module shell. Two parallel guide strips are arranged on the mounting plate; a guide groove is formed in the guide strip; the guide block is in sliding fit with the guide groove, when the limiting block makes contact with the base plate, the locking assembly is used for limiting the guide block, the module shell is locked to the mounting plate, and the unlocking assembly is used for relieving the locking effect of the locking assembly. According to the invention, rapid mounting and dismounting of the electronic module are realized, and the stability in a mounting state is ensured.

The utility model relates to the technical field of screw installation, in particular to a screw rotating driving device which comprises a supporting frame and a conveying track arranged on the supporting frame, a sliding seat used for fixing parts is arranged on the conveying track, and a position sensor and a vibration disc feeder are arranged on the two sides of the conveying track respectively. A cross beam is arranged above the conveying track, and a driving mechanism used for rotating screws is installed on the cross beam. A material groove used for discharging is formed in one side of the vibration disc feeding machine, supporting columns are fixed to the two sides of the bottom end of the material groove, the two supporting columns incline outwards, first guide rods are fixed to the two supporting columns, and L-shaped limiting rods are installed on the two first guide rods in a sliding mode. According to the device, after parts are fixed to the sliding seat, the parts are sequentially conveyed to the position below the driving mechanism, the screws conveyed to the position above the parts through the vibration disc feeding machine are sequentially installed into the parts in a rotating mode through the driving mechanism, so that automatic installation of the screws is achieved, and the strength of manual operation is relieved.

The utility model relates to the technical field of ultrasonic devices, in particular to a multi-angle rotating handheld ultrasonic device which comprises an image display module and an image acquisition module, and the image display module is connected with the image acquisition module through a rotating structure; the rotating structure comprises a rotating shaft support, an L-shaped side shaft is arranged on one side of the rotating shaft support, and a T-shaped rotating shaft is arranged in the middle of the rotating shaft support. The L-shaped side shaft is connected with the image acquisition module, and the T-shaped rotating shaft is connected with the image display module. By arranging the rotating shaft support, the L-shaped side shaft and the T-shaped rotating shaft, the image acquisition module and the image display module are integrated, the included angle relation between the image display module and the image acquisition module can be adjusted in the left-right and up-down directions, and multi-angle rotation can achieve the purposes of opening, application, operation and storage in various use scenes.

The utility model discloses a general mechanical equipment manipulator convenient for tissue replacement, and relates to the technical field of general mechanical equipment manipulators, the general mechanical equipment manipulator convenient for tissue replacement comprises a connecting base and an operation direction adjusting assembly, a fixing bolt is arranged in the connecting base, and a sliding seat is slidably connected in a sliding rail. The operation direction adjusting assembly used for adjusting the operation direction is arranged on the top of the sliding base, and a second adjusting arm is arranged at the end of the first adjusting arm. According to the general mechanical equipment manipulator convenient for tissue replacement, a first positioning key and a second positioning key are used for limiting and clamping the mounting end part of a module tissue, so that the module tissue is mounted, the module tissue is convenient to replace and maintain, the service life of the module tissue is prolonged, and after the module tissue is mounted, a second motor is started to drive the module tissue to be replaced. The installation frame rotates to drive the module organizations to rotate, and therefore cutting, grinding, polishing, punching and other operations can be conducted according to different module organizations.

The utility model relates to the technical field of supports, and discloses a cable mounting support for electric power engineering, which solves the problems of inconvenience in height adjustment and poor use convenience of the existing cable support, and comprises a mounting vertical beam, a plurality of mounting seats are fixedly arranged on the side edge of the mounting vertical beam, bolt mounting holes are formed in the mounting seats, and bolts are arranged in the bolt mounting holes. A limiting sliding groove is formed in one side of the installation vertical beam, a plurality of limiting holes are formed in the side, close to the limiting sliding groove, of the installation vertical beam, a plurality of cable supporting frames are arranged on one side of the installation vertical beam, each cable supporting frame is composed of a supporting assembly, a limiting clamping assembly and a limiting connecting assembly, and the supporting assemblies are connected with the installation vertical beam through the limiting connecting assemblies. The limiting and clamping assembly is connected to the top end of the supporting assembly. Through the cable mounting bracket, the height can be adjusted, the mounting number of cables can be expanded, and the convenience and stability of cable laying can be improved.

The invention belongs to the technical field of photovoltaic panel mounting and cutting, and particularly relates to laser cutting equipment and method for photovoltaic panel machining. Comprising a box body, and the top of the box body is open; a bracket is fixedly arranged in the box body; a fixing mechanism is fixedly mounted on the bracket and is used for fixing a photovoltaic panel; laser head control mechanisms are installed at the two ends of the fixing mechanism and used for controlling laser heads to conduct laser cutting. And a clamping mechanism is arranged between the two laser head control mechanisms and is used for loading the metal frame into the bottom edge of the photovoltaic panel. According to the invention, through cooperation of the fixing mechanism and the clamping mechanism, the metal frame can be automatically installed without manual alignment of the photovoltaic panel, and the device is suitable for photovoltaic panels of various sizes; according to the method, the redundant part of the metal frame is rapidly cut off through laser, customized machining does not need to be conducted on the metal frame in advance, and the quality problems of gaps, extrusion and the like caused by the fact that the size of the machined metal frame is not consistent are solved.

The invention discloses an intelligent crankshaft machining machine tool, and relates to the technical field of crankshaft multi-station machining. Grooving and mounting are integrated, machining of different steps is achieved through station switching, the problem that time is wasted due to continuous switching of workpieces is solved, the machining efficiency is improved, multiple gears are mounted outside a crankshaft at a time through the multi-gear mounting mechanism, the multiple gears are heated, cooled and mounted at the same time, and the machining efficiency is improved. Batched heating, cooling and mounting are not needed, the mounting efficiency of the multi-gear crankshaft is greatly improved, the gears are automatically rotated, the clamping grooves of the gears are in butt joint with the protrusions, the positions of the clamping grooves do not need to be manually adjusted when the gears are placed, the adjusting time is shortened through automatic adjustment, the mounting efficiency is improved, and the mounting efficiency is improved. The gear is heated before being mounted, the inner diameter of the gear is increased, butt joint mounting of the gear is facilitated, and the problem that mounting is difficult due to slight dislocation during automatic butt joint is solved.

The invention relates to the field of power wire harnesses, in particular to an anti-drop power wire harness for power transmission and a use method, the anti-drop power wire harness comprises a first wire harness and a second wire harness, and further comprises a controller, a shell, a plugging mechanism and an anti-drop mechanism, the shell comprises a first shell and a second shell, the inserting and pulling mechanism comprises four inserting blocks, four limiting blocks, four sleeves, four clamping assemblies, four positioning assemblies and two unlocking assemblies, the anti-disengaging mechanism comprises two hoops, two telescopic assemblies, four arc-shaped abutting blocks and four sliding assemblies, each arc-shaped abutting block is fixedly arranged on one sliding assembly, and the sliding assemblies are fixedly arranged on the inserting and pulling mechanism. According to the anti-falling type power harness for power transmission and the use method, the three-layer anti-falling effect of the power harness can be achieved, compared with an existing single-layer anti-falling structure, the anti-falling grade of the power harness is greatly improved, meanwhile, the power harness is not prone to distortion and displacement under the influence of wind blowing and the like, and the anti-falling effect of the power harness is improved. And the power transmission work is ensured.

The invention relates to the field of automobile part grinding, and discloses an efficient grinding device for automobile metal ornaments.The efficient grinding device comprises a rack, a workbench assembly and a grinding mechanism are installed on the rack, the grinding mechanism comprises a lifting frame, a rotating frame is rotatably installed on the lifting frame, and a sliding frame is slidably installed on the rotating frame; a grinding surface of a grinding head of the grinding mechanism is horizontally arranged, a connecting seat is slidably mounted at the bottom of the sliding frame in the vertical direction, a second spring is arranged between the connecting seat and the sliding frame, a vertically-arranged connecting column is mounted at the bottom of the connecting seat, and the output end of a third motor arranged on the sliding frame extends into an inserting hole formed in the end of the connecting column to form power connection. The bottom of the connecting column is provided with a base through a ball universal joint, the ball universal joint is fixedly connected with the base and movably connected with the connecting column, a groove is formed in the connecting position of the ball universal joint and the connecting column, the bottom of the base is detachably provided with a grinding assembly, and the upper end of the base is provided with a self-adaptive component.

The invention relates to a BIM-based steel structure canopy construction supervision method and system. Efficient construction and accurate management of a steel structure canopy are realized through a series of steps. The method comprises the following steps: firstly, carrying out three-dimensional modeling on a steel structure canopy by utilizing a building information model technology, and generating a BIM model comprising component profile parameters and spatial positioning parameters; and based on the model, extracting profile parameters of main components, and obtaining the processed steel structural component and the processed aluminum alloy panel. Next, the site is accurately positioned according to the positioning parameters of the BIM model, positioning point information of the installation site is obtained, and site installation of the steel structure canopy is completed. And after installation is completed, according to material configuration information in the BIM model, anti-corrosion treatment is conducted on the upstream face and the related small hardware. And finally, through data of the BIM model, carrying out spatial position verification on the canopy after anticorrosion processing, and correcting the positions of the components according to a verification result. According to the method, the construction precision, the material utilization rate and the convenience of later maintenance are improved.

The utility model relates to an assembly type composite floor slab. The assembly type composite floor slab comprises a shear wall tension brace combined formwork system, a multi-rod synchronous adjustment unit type independent supporting system, a post-cast strip wet connection hanging formwork system, a three-dimensional container type stacking frame, a height-adjustable composite floor slab and a composite floor slab overhanging I-steel local stiffness reinforcing and fixing system which are adopted for assembly type composite floor slab construction. By the adoption of a modular assembly mode, time and labor cost can be saved, engineering efficiency can be improved, construction is convenient and fast, the device has great significance in improving the construction period, reducing waste and promoting environment-friendly practice, and the device has wide application prospects.

The utility model relates to the technical field of tools for disassembly and assembly, in particular to a tool for disassembly and assembly of a monocrystalline silicon heater. The adjusting assemblies are arranged at the two ends of the rod body; the grabbing assembly is arranged on the adjusting assembly, and the adjusting assembly is matched with the grabbing assembly to achieve the grabbing function; the connecting assembly is arranged on the rod body and used for being connected with a tool car. According to the device, the grabbing assembly is adjusted through the adjusting assembly, so that the grabbing assembly is adjusted to a proper position, then the grabbing assembly grabs the heater needing to be disassembled or assembled, the heater is separated from a thermal field or assembled into the thermal field under the cooperation of the tool car, and therefore disassembling or assembling of the heater is achieved. The tool is simple in structure and low in manufacturing cost, automatic auxiliary operation on a production site is easy to achieve, a traditional manual disassembly and assembly mode is replaced, and the problems that physical output of operators is large, and the heater can generate adverse effects on physical health of the operators in the disassembly and assembly process are solved.

The utility model relates to the technical field of creeper tread, and discloses a creeper tread convenient to install, which comprises a creeper tread body I. A connecting block is fixedly assembled on the outer wall of the creeper tread body I. A creeper tread body II is arranged on the outer wall of the creeper tread body I. A connecting plate is fixedly assembled at one end, close to the connecting block, of the creeper tread body II. A clamping groove and a containing groove are formed in the outer wall of the connecting plate, and a containing shell is fixedly assembled on the outer wall of the connecting block. During installation, a worker places connecting blocks and connecting plates in a staggered mode, limiting blocks are inserted into the inner wall of a placing shell, the connecting blocks and the connecting plates are limited, meanwhile, the worker rotates a clamping rotating block, the clamping rotating block is placed into the inner wall of a clamping groove, and the clamping rotating block is clamped in the clamping groove. And the clamping rotating blocks are clamped with the inner walls of the clamping grooves, so that the track shoe is mounted, and meanwhile, the problem that equipment needs to spend a lot of time for mounting is solved.

The utility model discloses a novel injection molding machine pick-up mechanical arm convenient to replace a gripper, which relates to the technical field of mechanical arms and comprises a main arm, a first auxiliary arm rotatably arranged at the top of the main arm, a second auxiliary arm rotatably arranged at one end of the first auxiliary arm, a support plate rotatably arranged at the bottom end of the second auxiliary arm, and a fixing shell arranged at the bottom of the support plate. A material taking box is arranged at the bottom of the fixing shell through clamping blocks in a clamped mode, two clamping jaws are arranged in the material taking box, a rotating rod is rotationally arranged in the fixing shell, an adjusting assembly is arranged on the surface of the rotating rod, two second transverse plates are rotationally arranged at the top of the rotating rod through a first transverse plate, and sliding plates are rotationally arranged at the bottom ends of the second transverse plates. Two springs and two limiting strips are arranged on the two sides of the sliding plate correspondingly, and limiting grooves matched with the limiting strips are formed in the two sides of the clamping block correspondingly. The material taking jig has the beneficial effects that the material taking jig can be conveniently and quickly disassembled or replaced by a worker, the working efficiency is improved, and the use convenience is good.

The invention discloses a mounting method for an ultra-large bridging hose of an ocean platform, and belongs to the technical field of ocean platform operation. The mounting method comprises the following steps that a trestle is moved to the position between a first ocean platform and a second ocean platform through a workboat, one end of a bridging hose is fixedly connected with a first hard pipe through a flange, and the other end of the bridging hose is detachably connected with a support on the trestle through a blind flange; the drooping part of the bridging hose is detachably fixed on the trestle; the crane of the second ocean platform is used for driving the bridging hose to move in the X direction, the Y direction and the Z direction, so that coarse alignment of the bridging hose and the second hard pipe is achieved; fine alignment of the bridging hose and the flange of the second hard pipe is achieved by adjusting a chain block of a crane, and finally the bridging hose and the second hard pipe are fixed through bolts to complete installation. According to the method, the bridging hose between the platforms can be accurately and quickly mounted, the offshore outboard high-altitude workload is greatly reduced, the construction time is short, and the offshore construction safety is effectively improved.

The invention relates to a chromatographic device, a chromatographic system and a chromatographic column replacement method, the chromatographic device comprises a chromatographic box and a quick-insertion quick-change mechanism, the chromatographic box comprises a box body and a chromatographic column arranged in the box body, the two ends of the chromatographic column are connected with an adapter assembly penetrating through the side wall of the box body, the adapter assembly is provided with a first channel communicated with the chromatographic column, and the first channel is communicated with the chromatographic column. The quick-inserting and quick-changing mechanism comprises a support and a sample feeding and discharging unit arranged on the support, the support is provided with a positioning assembly used for positioning the chromatographic box, the sample feeding and discharging unit comprises two movable sample needles, the two sample needles are used for being connected with the two switching assemblies respectively, and when the chromatographic box is positioned on the support, the two switching assemblies are connected with the two movable sample needles. The sample needle can move between a first position and a second position; when the sample needle moves to the first position, the sample needle is inserted into the first channel of the switching assembly, so that the sample needle is communicated with the first channel; and when the sample needle moves to the second position, the sample needle is separated from the switching assembly. According to the invention, the chromatographic column can be rapidly replaced from the chromatographic device in a mode of replacing the chromatographic box.

The utility model relates to the technical field of car sheds, and discloses a novel photovoltaic car shed which solves the problems that an existing photovoltaic car shed is complex in installation structure and does not have a buffering function, the novel photovoltaic car shed comprises a plurality of supports, a buffering supporting assembly and a plurality of photovoltaic panels, and the buffering supporting assembly is fixedly connected to the top ends of the supports. The photovoltaic panel is fixedly connected to the top end of the buffer supporting assembly, the buffer supporting assembly is composed of a plurality of square steel pipes and a corrugated buffer plate, the square steel pipes are fixedly connected to the top end of the support, the corrugated buffer plate is fixedly connected to the top ends of the square steel pipes, and the photovoltaic panel and the corrugated buffer plate are connected through a plurality of clamping assemblies; according to the photovoltaic car shed, modular production and installation can be achieved, field welding is not needed, the structure is simple, stability is good, meanwhile, the buffering effect is achieved, and use safety is improved.

The invention belongs to the technical field of gymnasium construction, and discloses a gymnasium steel structure roof lifting and sliding system and method.The gymnasium steel structure roof lifting and sliding system comprises a base and a rotating mechanism, a groove is formed in the upper surface of the base, and the rotating mechanism is arranged in the groove of the base; a driving mechanism for lifting and sliding a roof is installed on the upper surface of the base through a rotating mechanism, a clamping groove is formed in the upper surface of the driving mechanism, a positioning mechanism is arranged in the clamping groove, two sets of positioning clamping grooves are formed in the upper surface of the base, fixing mechanisms are arranged in the two sets of positioning clamping grooves, and two sets of limiting mechanisms are installed on the back face of the base. The driving mechanism is started to drive the roofs to slide and lift, so that multiple groups of roofs can be mounted and positioned in multiple areas without adjusting the position of the movable base in the using process of the device, and the lifting and driving range of the device is widened; and therefore, the labor amount consumed by follow-up workers when multiple sets of roofs are installed through the device is reduced.

The utility model relates to the technical field of vibrators, and discloses a vibrator for a guitar sound box, which comprises a supporting bracket, the bottom of the supporting bracket is fixedly connected with magnetic U-shaped iron, a PCB bonding pad is arranged in the supporting bracket, an FPC circuit is arranged in the middle of the supporting bracket for conduction, a vibration elastic sheet is arranged at the lower part in the supporting bracket, and the vibration elastic sheet is connected with the magnetic U-shaped iron. A coil is arranged at the bottom of the vibration elastic piece, a driving top cover is arranged at the top of the supporting bracket, connecting plates are fixedly connected to the two sides of the driving top cover, tough elastic pieces are fixedly connected to the bottoms of the connecting plates, pressing blocks are fixedly connected to the outer sides of the tough elastic pieces, and limiting assemblies are arranged outside the two sides of the supporting bracket. According to the utility model, the driving top cover, the supporting bracket, the connecting plate, the tough elastic sheet, the slot, the open slot and the limiting block are mutually matched for working, and the tough elastic sheet can be limited through the limiting assembly, so that the driving top cover is disassembled and assembled.

The utility model discloses a thermocouple convenient for quick connection in the technical field of thermocouples, which comprises a mounting base and a thermocouple connector, the front end of the thermocouple connector is connected with a thermocouple wire, the rear end of the thermocouple connector is connected with a cable, and the center of the mounting base is provided with a through hole for the thermocouple wire to penetrate through; the outer ring of the thermocouple connector is fixedly provided with a baffle ring and a support ring, the baffle ring is internally provided with a plurality of groups of buckle assemblies, an elastic telescopic assembly for driving the plurality of groups of buckle assemblies to open and close at the same time is arranged between the baffle ring and the support ring, and the top of the mounting base is provided with a plurality of groups of clamping holes corresponding to the buckle assemblies one by one. According to the utility model, the problems that the existing thermocouple and the equipment are assembled in a threaded connection mode, the data line at the rear end of the thermocouple is easy to wind when the thermocouple is rotationally connected, the installation mode is relatively tedious, and rapid assembly and disassembly are not facilitated are solved.

The utility model relates to the technical field of plastic granulators, and discloses a plastic granulator convenient to cut, which comprises a base, the top of the base is fixedly connected with a processing forming cylinder, the left side of the top of the processing forming cylinder is fixedly connected with a feed hopper, and a conveying mechanism is arranged in the processing forming cylinder. A cutting mechanism is arranged on the right side of the conveying mechanism. According to the plastic granulator convenient to cut, through the arrangement of the cutting mechanism, the purpose of mounting and dismounting a forming part can be achieved, through the arrangement of the forming part convenient to mount and dismount, when the forming part is blocked, the forming part can be dismounted and dredged in time, and the purpose of granulating regenerated plastic in the later period is ensured; the three cutting tools are arranged, the purpose of rapidly granulating the reprocessed plastic can be achieved under rotation of the three cutting tools, and meanwhile, the three cutting tools rotate in the center of a formed part, so that the purpose of conveniently cutting the reprocessed plastic can be achieved.

The utility model provides an elastic locking piece for door and window installation, which relates to the technical field of doors and windows, and comprises an installation plate, a locking cylinder and a locking structure, the installation plate is provided with an installation hole and a positioning hole; the locking cylinder is fixedly connected with the mounting plate, a through hole communicated with the mounting hole is formed in the locking cylinder, a locking rail is arranged in the locking cylinder, and the locking rail is communicated with the through hole; the locking structure penetrates through the through hole and the mounting hole, a locking block is arranged on the locking structure, and the locking block is in sliding connection with the locking rail; according to the elastic locking piece for door and window installation, the installation plate, the locking cylinder and the locking structure are tightly matched, a worker can achieve installation and disassembly of the door and window through simple operation, and the technical effect of fast installation and fast disassembly is achieved.

The utility model relates to the technical field of vegetable deep processing, and discloses a deep processing vacuum freeze drying kettle which comprises a drying kettle body, an air exhaust assembly and a driving assembly, the interior of the drying kettle body is fixedly connected with a partition plate, the partition plate divides the drying kettle body into a control cavity and a storage cavity, and the inner wall of the bottom of the control cavity is rotationally connected with a rotating shaft; the top end of the rotating shaft extends into the storage cavity and is fixedly connected with a bottom plate, two vertical plates are fixedly connected to the upper surface of the bottom plate, a transverse plate is fixedly connected between the two vertical plates, two sliding rods are fixedly connected to one side of the transverse plate, and a storage frame is jointly slidably connected to the exteriors of the two sliding rods; four heating pipes are mounted on the inner side wall of the drying kettle body at equal intervals, and four heating pipes are mounted on the inner side wall of the drying kettle body at equal intervals; compared with the prior art, the heating uniformity of vegetables on the storage rack can be improved, so that the drying effect of the vegetables is improved.

The solar street lamp comprises a base, a supporting column, a solar panel and an illuminating lamp, a containing groove matched with the supporting column is formed in the top of the base, two sets of movable clamping block mechanisms are symmetrically arranged on the two sides of the containing groove, and each movable clamping block mechanism comprises a first rotating handle; and the first rotating handle is connected with a moving sleeve arranged in the sliding groove through a lead screw mechanism, a sliding plate is installed at the other end of the moving sleeve, a clamping block is arranged on the other side of the sliding plate, a clamping groove matched with the clamping block is formed in the supporting column, and limiting clamping plates used in cooperation with the supporting column are arranged at the positions, located on the two sides of the containing groove, of the top of the base. According to the solar street lamp, in order to solve the problems that an existing solar street lamp needs to be integrally connected with the ground through threads, and due to the fact that the street lamp is too high and too large in size, installation is very inconvenient, a containing groove matched with a supporting column is formed in the top of a base, and two sets of movable clamping block mechanisms are symmetrically arranged on the two sides of the containing groove.

The utility model discloses an optical instrument adjustable pedestal comprising a first T-shaped seat, the surface of the first T-shaped seat is slidably connected with a first sliding seat, the upper surface of the first sliding seat is fixedly provided with a second T-shaped seat, the upper surface of the second T-shaped seat is slidably connected with a second sliding seat, and the middle part of the upper surface of the second sliding seat is fixedly provided with a vertical pipe. A sliding rod is slidably connected into the vertical pipe, and a sleeve is rotatably connected to the surface of the top end of the sliding rod. The first sliding seat, the second sliding seat, the vertical pipe, the sliding rod, the sleeve, the fixing assembly and the mounting assembly are arranged, the optical instrument can be mounted through the mounting assembly, the mounting assembly is located at the top of the sliding rod, and the height of the optical instrument can be changed by moving the sliding rod up and down; the optical instrument can be adjusted in two directions by moving the first sliding seat or the second sliding seat, so that the adjustable base can realize adjustment of the optical instrument in multiple angles, and the use flexibility of the adjustable base is improved.

The invention provides an aircraft trunk sliding rail installation structure, and belongs to the field of aircraft passenger cabin structural design, the aircraft trunk sliding rail installation structure comprises a top sliding rail, a back sliding rail, a top sliding block and a back sliding block, the top sliding rail and the back sliding rail are fixedly arranged on a passenger cabin structure, and sliding grooves extending in the length direction are formed in the top sliding rail and the back sliding rail; the top slide rail is provided with a plurality of top slide rail notches in the length direction, and the back slide rail is provided with a plurality of back slide rail notches in the length direction and mounting holes in the bottoms of the slide grooves; the luggage case comprises a plurality of luggage case bodies, the two sides and the back of each luggage case body are fixedly connected with a pull rod assembly and a vibration reduction assembly respectively, a top sliding block is fixedly connected with the pull rod assembly and slides into a top sliding rail through a top sliding rail notch, and a back sliding block is fixedly connected with the vibration reduction assembly and slides into a back sliding rail through a back sliding rail notch. The back sliding block is provided with a locking stud penetrating through the mounting hole, and the locking stud is matched with a nut to lock the back sliding block and the back sliding rail.

The invention provides an arm bearing device for coronary angiography, and belongs to the technical field of medical instruments. The arm bearing device for the coronary angiography operation comprises a movable buckle, the movable buckle is in threaded connection with a T-shaped supporting plate through a nut, two supporting plates are fixedly connected to the outer wall, close to one end, of the top of the T-shaped supporting plate, one end of each supporting plate is fixedly connected with an upper arm supporting plate, a first buckle is fixedly connected to the middle of the outer wall of the top of the T-shaped supporting plate, and a second buckle is fixedly connected to the middle of the outer wall of the top of the T-shaped supporting plate. Two fixing plates are fixedly connected to the outer wall, close to the other end, of the top of the T-shaped supporting plate, and sliding grooves are formed in the fixing plates. And the limiting assembly can limit the puncture part of the patient in the pressurization hemostasis process, the limiting assembly is connected with the first buckle and the fixing plate, and due to the arrangement of the limiting assembly, the wrist of the patient can be limited, and the comfort of the arm of the patient in the braking period can be improved.

The utility model discloses a moisturizing cover for fruit tree seedling raising, which relates to the technical field of agriculture and comprises a supporting column, a connecting rod is arranged on one side of the supporting column, clamping holes are formed in two sides of the connecting rod, an adjusting rod is movably connected in the connecting rod, and a limiting rod is fixedly connected to the right side of the adjusting rod. A sliding groove is formed in the adjusting rod, and a sliding block is slidably connected into the sliding groove. The moisturizing cover has the advantages that the space in the moisturizing cover main body can be effectively adjusted through the telescopic rod, the spring, the clamping plate, the clamping hole, the limiting rod, the connecting rod and the like, so that the moisturizing cover can be suitable for fruit tree seedlings with different shapes and sizes, and meanwhile, the limitation of the moisturizing cover can be reduced; and the position of the fixing clamp can be adjusted through a bolt, a clamping ring, a clamping ring, a guide rod, a fixing block and the like, and then the supporting column, the connecting rod and the limiting rod can be rapidly disassembled and assembled, so that the moisturizing cover body is more convenient to carry and store.