398results about How to "Reduce the time required for installation" patented technology

The invention belongs to the technical field of sewage pipeline flow detection, and particularly relates to a sewage pipeline flow calculation method based on electromagnetic induction, which comprises the following steps: step 1, a detection mechanism is arranged between two butt-joint flowing sewage pipelines, and the detection mechanism is composed of a measuring pipe, an electrode and an excitation coil, the magnet exciting coil wraps the outer arc surface of the measuring tube. The sewage pipeline flow calculation method based on electromagnetic induction is high in measurement precision and suitable for various conductive media including sewage, corrosive liquid and a mixture containing solid particles; the measuring range is wide, and the device is suitable for measuring fluids with different pipe diameters and flow ranges. The electromagnetic flowmeter can be quickly mounted on the sewage pipe through the quick clamping mechanism, so that the mounting time is shortened, the labor intensity is reduced, and maintenance and calibration are facilitated; measurement errors caused by fluid interference are avoided by reducing accumulation of sediments, and the accuracy of circulation measurement is further enhanced by circular motion measurement of the electrodes.

The embodiment of the invention provides a container creating method, device and system and a storage medium. In the embodiment of the invention, the snapshot of the container instance and the compiled driver of the parallel processing unit are cached in the cache pool of the storage cluster in advance, namely the executable file of the cache driver is cached. When the container is created, the container mirror image snapshot and the executable file of the driver of the parallel processing unit are read from the cache pool through the intranet, and the container mirror image and the driver do not need to be pulled from a mirror image warehouse through a public network, so that on one hand, downloading of a mirror image layer is reduced, and the container creation speed can be increased; on the other hand, the executable file of the driver is directly obtained, the driver does not need to be compiled and installed in the instance creating process, the compiling and installing time of the driver can be shortened, and the container creating speed is further increased. The increase of the container creation speed is beneficial to increase of the container starting speed.

The utility model discloses a ball guide pillar assembly for a die holder, and particularly relates to the technical field of mechanical dies, the ball guide pillar assembly comprises a lower die holder, two sides of the lower die holder are respectively provided with two first shells, and a plurality of first shells are internally provided with fixing assemblies; the multiple fixing assemblies comprise rotating rods, rotating shafts are fixedly connected to the rear sides of the rotating rods, rotating discs are fixedly connected to the outer sides of the rotating shafts, clamping rods are arranged in the rotating discs, first springs are fixedly connected to one sides of the clamping rods, second shells are installed on the outer sides of the clamping rods and the first springs, and rotating plates are fixedly connected to the rear sides of the rotating shafts. Compared with the prior art, the fixing assembly is arranged, the rotating plate rotates to drive the two clamping plates to clamp and fix the lower die holder, then the clamping rod and the rotating disc are movably connected to fix the rotating shaft, die holders of different sizes can be fixed, good universality is achieved, the installation time is shortened, and the installation cost is reduced. And meanwhile, the maintenance work can be quickly completed, and the maintenance time and cost are reduced.

The invention discloses a fluid driving device, a control device and a transcatheter ventricular assist device.The fluid driving device is used for driving fluid in a flushing pipeline to enter an interventional instrument, and the flushing pipeline comprises pipeline branches; the fluid driving device comprises a placement area, and the placement area is provided with at least three installation positions arranged in the first axial direction. The pipeline branches sequentially penetrate through the at least three mounting positions according to the sequence that inlets and outlets of the adjacent mounting positions are connected, and an outlet of one of the adjacent mounting positions and an inlet of the other mounting position are distributed on the same side of the second axial direction; the first axial direction intersects with the second axial direction; the number of the pipeline branches and the number of the containing areas are both multiple, at least part of the pipeline branches correspond to the multiple containing areas in a one-to-one mode, the multiple containing areas are arranged in the second axial direction, and each pipeline branch corresponding to the corresponding containing area is in an S-shaped wavy curve bent shape in the corresponding containing area. In this way, an operator can conveniently install the flushing pipeline, and the installation error rate of the flushing pipeline is reduced.

The invention belongs to the technical field of pole-mounted circuit breakers in power systems, and particularly relates to a pole-mounted circuit breaker integrating communication, electricity taking and traveling wave distance measurement. The solid-sealed polar pole is located on the box body, an integrated capacitor C1 is arranged in the solid-sealed polar pole, and the wire inlet side of the integrated capacitor C1 is a high-voltage terminal; a secondary side circuit is arranged in the box body, a self-integrated capacitor C1 is sequentially connected in series with low-voltage capacitors C2 and C3 of a capacitor electricity-taking power supply and a high-frequency transformer T2, and a power-frequency electricity-taking transformer T1 is connected in parallel with the C2 and C3; the protection circuit is connected to the C3 in parallel; the high-frequency transformer T2 has two groups of output windings, one group of output windings is connected in series with the traveling wave acquisition circuit, and the other group of output windings is connected in series with the carrier communication circuit. Original four independent devices are integrated into one device, functions are deeply integrated, the limitation that in a traditional scheme, a plurality of devices achieve a single function is broken through, high integration of the devices is achieved, the number of the devices and the installation space are reduced, and the installation and maintenance cost is reduced.

The invention relates to the technical field of forest resource survey, and discloses an adjustable mounting bracket for a forest resource survey instrument, which comprises a supporting sleeve rod, a height adjusting screw rod is slidably connected in the supporting sleeve rod, a mounting mechanism is fixedly mounted at the upper end of the height adjusting screw rod, and a driving mechanism is arranged at the upper part in the supporting sleeve rod. And the driving mechanism is in threaded connection with the height adjusting screw rod, a positioning mechanism is detachably mounted on the lower portion of the outer surface of the supporting sleeve rod through three mounting screw holes, and a marking mechanism is detachably mounted at the lower end of the supporting sleeve rod through four clamping holes. According to the adjustable mounting bracket for the forest resource survey instrument, various functions such as height adjustment, equipment fixing, marking and protection are integrated, various requirements in forest resource survey can be met, the comprehensive performance and practicability of equipment are improved, and in addition, the adjustable mounting bracket is convenient to use. And the modular design also allows the user to replace or upgrade specific parts according to specific requirements, so that the service life of the equipment is prolonged, and the maintenance cost is reduced.

The utility model is suitable for the technical field of mine engineering, and provides a mine roadway supporting device which comprises supporting plates symmetrically arranged in a mine roadway for supporting. The electric hydraulic rod is used for adjusting the height, and the electric hydraulic rod is fixedly installed on the supporting plate; the assembling block is fixedly mounted at the top end of an output rod of the electric hydraulic rod, and a detachable inserting block is arranged on the assembling block; the assembling plate is fixedly mounted at the top end of the inserting block; and the multiple supporting columns are fixedly installed on the top of the assembling plate, and a supporting plate used for supporting the mine roadway top plate is fixedly installed at the top ends of the supporting columns. According to the mine roadway supporting device provided by the scheme, the labor intensity of workers is reduced, the installation time is shortened, and the problems that an existing mine roadway supporting protection installation process is tedious and time-consuming are solved.

The invention relates to the technical field of coke oven construction, in particular to a quick mounting and dismounting method for a coke oven baking pipeline, which changes the conventional welding connection mode between pipelines, adopts flanges for connection, can shorten the mounting and dismounting time of the baking pipeline, and improves the mounting and dismounting construction efficiency of the pipeline. The oven pipeline is ensured to be mounted and dismounted within limited time, and the project is ensured to be carried out smoothly; and open fire operation is avoided during dismounting, so that the safety is greatly improved.

The invention discloses a conveying device and method for fan installation. The conveying device comprises a conveying base and a movably-arranged conveying ladder. The conveying ladder can be movably arranged on the adjusting frame in the horizontal direction to achieve multi-direction adjustment. According to the invention, the climbing installation assembly located on an offshore wind power installation platform or on land can be conveyed to be in butt joint with a tower drum; or the climbing installation assembly located on the tower drum is conveyed to the offshore wind power installation platform or the land; or the climbing installation assembly located on the land is conveyed to the offshore wind power installation platform; through cooperative cooperation of various driving mechanisms, all-dimensional flexible operation, self-adaptive dynamic adjustment function and other optimized combination of a plurality of structures, the device can flexibly adapt to various scenes, dynamic adjustment is achieved in the conveying process, the device can well adapt to the offshore installation environment, and the service life of the device is prolonged. And the transportation efficiency and safety of the climbing mounting assembly among different environments are remarkably improved.

The invention belongs to the technical field of numerical control machine tool spindles, and discloses a worm grinding wheel gear grinding machine spindle online dynamic balance method and device, and the method comprises the steps: S1, building a worm grinding wheel gear grinding machine spindle motion model; s2, designing a built-in dynamic balance device of the grinding wheel spindle; s3, acquiring vibration data of the main shaft in a running state in real time; s4, the unbalance amount is calculated, and the dynamic balance device is adjusted; and S5, vibration data are repeatedly obtained and adjusted until the radial runout of the main shaft is lower than a set threshold value. The method can effectively reduce the vibration of the main shaft and improve the rotation precision by acquiring the vibration data of the main shaft in real time and adjusting the built-in device. The device comprises a shaft core, a balance tile, a driving motor and an adjusting assembly. The driving motor transmits torque to the balance tile through the adjusting assembly, and the relative position adjustment of the balance tile relative to the radial direction of the shaft core is achieved. The device is simple in structure and convenient to install, high-precision real-time dynamic balance is achieved through cooperation of the built-in balance tile, the adjusting assembly and the like, and the system reliability is improved.

The utility model relates to the technical field of steel structures, in particular to an assembly type steel structure reinforcing assembly convenient to disassemble and assemble, which comprises a steel structure stand column, transverse steel beams are installed in the middles of the two sides of the steel structure stand column through screws, and a connecting main frame is movably installed on the tops of the transverse steel beams. First fixing buckles are installed at the bottoms of the two sides of the connecting main frame, first traction bolt holes are formed in the two ends of the surface of each first fixing buckle, first fixing bolts are installed in the first traction bolt holes, and second fixing buckles are installed on the two sides, close to the steel structure stand column, of the connecting main frame. Second traction bolt holes are formed in the surfaces of the second fixing buckles, and the improved reinforcing assembly is provided with adjustable parts and can be flexibly adjusted according to different steel structures and installation environment requirements so as to adapt to different size, shape and structure requirements. Meanwhile, the device has the advantages of convenience in disassembly and assembly, reduction of installation time and cost, easiness in maintenance and updating and the like.

The utility model belongs to the automobile safety technical field provides a kind of anti-static grounding structure, including elastic conducting part, the quantity of elastic conducting part is multiple and is spiral, the bottom of elastic conducting part is equipped with ground plate, the top of elastic conducting part is equipped with the mounting base plate of fixed connection, the top of mounting base plate is symmetrically equipped with clamping plate, and the cooperation chamber is formed between two clamping plates, and limiting slot is equipped on the opposite surface of two clamping plates;It also includes quick-mounting pedestal installed on vehicle body, the bottom of quick-mounting pedestal is symmetrically equipped with metal plug, the metal plug and the limiting slot are mutually matched, and quick positioning assembly is equipped between quick-mounting pedestal and vehicle body;The utility model can effectively reduce abrasion by the self-adapting conductive structure, ensure that vehicle is continuously efficient in various road conditions Release static electricity.

This utility model provides a self-repairing structure for integrated circuits, relating to the field of circuit board repair equipment technology. It includes a repair equipment base and a clamping plate. The clamping plate is located on the top of the repair equipment base. A repair component slot is formed on the top of the repair equipment base. Two bearing through holes are formed through the inner wall of the repair component slot. Bearing rods are provided on the inner walls of both bearing through holes. A support plate is fixed to one side of each bearing rod, and a support frame is fixed to one side of the support plate. The clamping plate is located on top of the support frame. A sliding adjustment groove 1 and a sliding adjustment groove 2 are formed through the top and bottom of the support frame. A fixing rod 1 is provided on the inner wall of the sliding adjustment groove 1 and is fixed to the bottom of the clamping plate. A fixing rod 2 is provided on the inner wall of the sliding adjustment groove 2 and is fixed to the bottom of the clamping plate. A locking knob 1 is threaded onto the surface of the fixing rod 1, and a locking knob 2 is threaded onto the surface of the fixing rod 2. An integrated circuit board clamping groove is formed on one side of the clamping plate.

This utility model discloses a split-type GIL busbar housing, which relates to the field of power engineering technology. The split-type GIL busbar housing includes an end cover and a busbar unit. The outer wall of the end cover is fixedly connected to the inner wall of the busbar unit. The busbar unit includes a unit shell, which constitutes the main structure of the busbar unit. An air filter is fixedly connected to the inner wall of the unit shell. The air filter effectively filters dust and other impurities from the outside air, preventing them from entering the busbar unit. A male connector is fixedly connected to one end of the inner wall of the unit shell, and a female connector is fixedly connected to the other end. Through the cooperation of the male and female connectors, rapid connection and separation between multiple busbar units can be achieved.

The utility model relates to the technical field of automobile part welding, in particular to a rear wheel cover welding tool. Comprising a workbench, a clamping mechanism and a positioning mechanism. The positioning mechanism comprises a positioning pin and an inductor, one end of the positioning pin is connected with the inductor, and the other end of the positioning pin is inserted into a positioning hole of the rear wheel large cover; the clamping mechanism comprises a driving device and a clamping part, the moving end of the driving device is connected with the clamping part, and the driving device drives the clamping part to move in the direction close to the rear wheel large cover to clamp the rear wheel large cover; compared with the prior art, the clamping mechanism and the positioning mechanism are arranged, according to the number and the positions of the clamping mechanism and the positioning mechanism, the clamping mechanism can effectively fix the rear wheel large cover, deviation is avoided, an air cylinder driving mode is adopted, the rear wheel large cover can be rapidly clamped and reset, and the clamping mechanism is simple in structure, convenient to use and high in practicability. And the time for mounting and dismounting the rear wheel large cover is shortened, so that the production efficiency is greatly improved.

This utility model provides a pressure reducing valve with a quick-install pressure measuring instrument, including a pressure reducing valve body, a locking knob, and a fixed outer frame. The pressure measuring part at the front end of the pressure reducing valve body is embedded with an integrated end face, and an end face block is integrally fixed at the front end of the integrated end face. Locking threaded holes are opened on the upper and lower ends of the left and right sides of the end face block. An annular sealing groove is opened at the front end of the end face block, and a main sealing ring is embedded inside the annular sealing groove. A port tube is installed through the main sealing ring. This design solves the problems of inconvenient installation, risk of torque damage, and difficulty in disassembly and maintenance of existing threaded connection pressure reducing valves with instruments. This utility model adopts an integrated instrument interface structure of "axial quick-install self-sealing and radial locking", completely abandoning the traditional rotary threaded connection method. It uses axial magnetic positioning insertion and radial knob locking, and uses the sealing ring integrated on the valve body to achieve reliable sealing for plug-and-play use.

The invention discloses an installation mechanism of a balcony hanging type solar panel in the technical field of solar panel installation, and aims to improve the safety and convenience of solar panel installation and reduce the maintenance cost at the same time. The mechanism comprises a balcony body, a bearing mechanism, a solar panel body and a folding and unfolding mechanism, the bearing mechanism is composed of a bearing frame fixed to the outer side of the balcony and a rotatable bearing rod, a U-shaped installation frame is arranged on the bearing rod, an installation sliding groove and a trigger piece are arranged on the inner wall of the installation frame, a fixing piece is arranged in the installation frame, and the solar panel body can be folded and unfolded through the trigger piece and the fixing piece. The solar panel body can be directly inserted and automatically locked, and the folding and unfolding mechanism controls the installation frame to rotate so as to adjust the angle of the solar panel and optimize sunlight receiving. Installation personnel are allowed to complete operation in the balcony, the high-altitude operation risk is avoided, the installation process is simplified, meanwhile, the complex disassembly process is not needed, the maintenance and replacement efficiency is improved, and wide adaptability and economic benefits are achieved.

The utility model relates to the technical field of bases, and discloses a vertical axial flow pump mounting base which comprises a base, supporting legs are fixedly connected to the bottom of the base, a filtering assembly is mounted at the bottom of the base, a fixing plate is fixedly connected to the top of the base, and a fixing assembly is arranged at the top of the base. According to the vertical axial flow pump mounting base, the water tank is mounted at the bottom of the base through rotation of a first screw and a screw groove, a filter screen mounted in the water tank can filter silt in water, a second screw is rotated, then the filter screen is pulled out of the water tank, the filter screen can be cleaned, and a crushing rod is arranged below the filter screen, so that the crushing effect is good. The motor rotates to drive the smashing rod to rotate, so that silt filtered by the filter screen can be smashed and scattered, the situation that the silt blocks the periphery of the filter screen, and consequently water flow blockage is caused is avoided, water can be filtered while water pumping is conducted, the working time is saved, and the working efficiency is improved.

The utility model discloses a locating assembly for a disposable T-shaped cutter, and relates to the technical field of T-shaped cutter installation and locating, the locating assembly comprises a clamp seat, a butt joint box and a fixed cutter bar, the top of the clamp seat is symmetrically and fixedly provided with edge plates through bolts, the side faces of the edge plates are fixedly provided with suspension supporting plates, the top of each suspension supporting plate is fixedly provided with the butt joint box, and the butt joint box is fixedly provided with the fixed cutter bar. A fixed cutter bar is movably inserted into the butt joint box in the horizontal direction, and a T-shaped cutter is fixedly arranged at the other end of the fixed cutter bar. The main body structure of the T-shaped cutter comprises the quick connecting assembly and the fixed cutter bar, the fixed cutter bar is fixedly connected with the T-shaped cutter, the fixed cutter bar is provided with the positioning grooves with the same width as the positioning rods in the quick connecting assembly, and the quick connecting assembly can control the four groups of positioning rods to be inserted into the positioning grooves, so that on the basis that the outer wall of the cutter bar of the cutter is uniformly stressed, the positioning rods can be inserted into the positioning grooves; rapid separation or installation between the T-shaped cutter and the clamp base is achieved, and the installation and disassembly time of the T-shaped cutter is greatly shortened.

The utility model belongs to the field of circuit breakers, particularly relates to a power-saving control type circuit breaker, and aims to solve the problems that a circuit breaker cannot be limited in the transverse direction in the prior art, the circuit breaker can be disassembled only by prizing the circuit breaker during disassembly, and a handle of the circuit breaker cannot be subjected to cover sealing protection, the following scheme is provided: the power-saving control type circuit breaker comprises a mounting frame, a plurality of circuit breaker bodies are arranged on one side of the mounting rack, the plurality of circuit breaker bodies are all mounted on the mounting rack, a cover plate is arranged on one side of each circuit breaker body, the cover plate is transparent and can cover one side of each circuit breaker body for protection, two L-shaped clamping plates are arranged on one side of each circuit breaker body, and the L-shaped clamping plates are arranged on the other side of each circuit breaker body. According to the power-saving control type circuit breaker, through the unique design structure of the power-saving control type circuit breaker, modularized installation and disassembly are achieved, meanwhile, the stability and the maintainability of the structure are guaranteed, and the overall protection performance of equipment is improved.

The invention relates to the field of railway vehicles, and provides a vehicle roof structure, a vehicle body and a railway vehicle. The two sides, extending in the longitudinal direction of the vehicle body, of the top plate are connected with the camber beams in a welded mode; the mounting beam is arranged on the side, opposite to the bent beam, of the top plate and suitable for being connected with roof equipment. According to the mounting beam, mounting bases of all devices are integrated in a unified mode, the number of welding bases is reduced, meanwhile, welding defects caused by large welding amount and large deformation are avoided, the overall structure quality and stability of a car roof and the bearing capacity of the car roof are improved, the utilization efficiency of the car roof space is improved, the mounting process of the car roof devices is simplified, and the cost is reduced. And the installation time and cost are reduced.

The invention relates to the field of air compressor units, in particular to an air compressor unit distributed device and a control method. The air compressor unit distributed device comprises a frame body, a cover plate, a main body machine, a driving mechanism and an adjusting mechanism, an air compressor unit group is mounted in the frame body, the air compressor unit group is divided into a diesel engine and an air compressor, the bottom end of the diesel engine is fixedly connected with a U-shaped bracket through a bolt, the diesel engine and the air compressor are mounted in a matched manner, and the U-shaped bracket is fixedly connected with the air compressor. A cover plate is mounted at the top end of the frame, an air storage tank is fixedly connected to the top end of the cover plate, the air compressors communicate with the air outlet tank, and a main machine is mounted on one side of the frame. According to the air compressor unit distributed device, modular design is adopted, all the assemblies can be conveniently disassembled and assembled, the flexibility and maintainability of the device are improved, a user can adjust the scale of the air compressor unit according to actual requirements, and the vacancy rate of the device is reduced.

Disclosed in the present invention is a threading sealing box, relating to the technical field of cable joints. The threading sealing box comprises a box body and a threading assembly, wherein an opening is formed in the box body, a mounting groove is formed in a side wall of the box body, the threading assembly comprises a threading plate assembly and a threading body, the threading plate assembly is slidably arranged in the mounting groove so as to slide into or slide out of the mounting groove, a penetrating hole is formed in the threading plate assembly, the threading body is arranged on the threading plate assembly, and the threading body communicates with the penetrating hole. A cable penetrating through the threading body can be circumferentially sealed by the threading body, thereby effectively reducing the water leakage risk; the cable does not need to be locked by using accessories such as a waterproof terminal, such that the operation is simple; an installation space is small, and more cables can be installed in the same space, thereby effectively reducing the cable wiring cost; and the cable can be taken out without being lifted by a machine, and therefore carrying operations are reduced, and the labor cost is saved.

The invention relates to the technical field of photovoltaic equipment, and provides a photovoltaic support convenient for rapid laying, which comprises a base, the base is provided with a vertically arranged main shaft, a mounting rack is rotatably arranged on the main shaft in multiple directions, a first hinge seat is horizontally and slidably arranged on the base, slide blocks are horizontally and slidably arranged on the mounting rack, and first support rods and the slide blocks are arranged in pairs. One end of the first supporting rod is arranged on the first hinge seat in a swinging mode, the other end of the first supporting rod is in ball joint with the sliding block, and the lifting ring is arranged on the main shaft in a lifting sliding mode. According to the technical scheme, the problems that in the prior art, assembly of a photovoltaic support and installation of a photovoltaic panel both need a large amount of installation workload and manpower consumption, and efficiency is low are solved.

The utility model discloses a bench clamp convenient to mount and dismount, and relates to the technical field of clamps, in particular to the bench clamp convenient to mount and dismount. Comprising a main body, a positioning hole, a clamp, a pneumatic device, a chromium-molybdenum alloy steel interlayer base, a chromium-molybdenum alloy steel clamping block, a transmission shaft, a hydraulic adjusting block, a driven shaft, a rapid clamping device and a rapid die changing device. In the utility model, in the workpiece processing flow, the chromium-molybdenum alloy steel interlayer base and the clamping block are used for providing stable support, the quick clamping device is used for quickly mounting the workpiece, and the quick die changing device is used for quickly changing the clamp, so that the downtime is greatly shortened, and the production efficiency is improved. The pneumatic device and the hydraulic adjusting block accurately adjust the clamping force, and the stability of the workpiece is guaranteed. All functional assemblies are integrated to achieve rapid, accurate and stable workpiece clamping and machining, the product quality and the production efficiency are improved, manpower consumption is reduced, and the operation time is shortened.

The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.

The utility model belongs to angle adjusting hinge technical field especially a kind of self-locking ratchet angle adjusting hinge, including support seat and the adjusting seat of rotation connection with support seat, the upper surface of support seat is provided with self-locking mechanism, the self-locking mechanism includes spring and ball rod, the spring is driven by its elastic deformation and resets ball rod, by setting fixed mechanism, positioning and fixing are carried out to support seat, user when installing adjusting hinge, first, it is initially fixed on target object by back glue, the adhesion of back glue can fill up the tiny gap between support seat, adjusting seat and target object, then further fixed using bolt, form double fixed mechanism, the initial fixation of back glue can reduce installation difficulty and time, and its adhesive layer can absorb vibration and impact force, reduce the dynamic load that bolt bears, prolong the service life of overall structure.

This invention provides a special disassembly tool and method for abrasive rollers in automotive clutch steel sheet grinding equipment. The tool includes: a first fixing component mounted on the rotating shaft of the abrasive roller; a first disassembly component mounted on a first fixing nut on the rotating shaft of the abrasive roller; a second fixing component mounted on the back plate of the grinding equipment; and a second disassembly component fitted onto a second fixing nut on the rotating shaft of the abrasive roller. Both the first and second fixing components have contour holes that mate with the rotating shaft of the abrasive roller. The first fixing component manually restricts the rotation of the rotating shaft, and the second fixing component restricts the rotation of the rotating shaft by being fixed to the back plate and engaging with the contour holes. Both the first and second disassembly components have disassembly teeth, allowing the first and second fixing nuts to be disassembled by rotating the disassembly teeth. This invention solves the problems of inability to circumferentially lock the rotating shaft of the abrasive roller during disassembly and installation, and the inability of commonly used tools to achieve effective rotation in confined spaces.

The utility model relates to the technical field of auxiliary mounting devices, in particular to a handheld sander abrasive paper quick connecting structure which comprises a mounting seat, a placement hole is formed in one side of the mounting seat, a push-out plate is detachably mounted at the position of the placement hole, a push-out spring is fixedly mounted on the push-out plate, and a transposition hole is formed in the end face of the mounting seat. A transposition push rod is slidably mounted in the transposition hole and connected with a transposition drive, an insertion hole is formed in the side face, perpendicular to the side where the containing hole is located, of the mounting base, and an exit hole is formed in the end, right opposite to the transposition hole, of the mounting base and communicates with the transposition hole, the containing hole and the insertion hole. A dismounting hole is formed in the position, corresponding to a bolt of the handheld polisher, of the insertion hole, a spanner is rotatably installed in the dismounting hole, the spanner is installed in a sliding mode, and the spanner is connected with a dismounting drive. By arranging the quick connecting structure, the time for manual alignment and installation in the abrasive paper installation process is shortened, the abrasive paper replacement speed is increased, and the working efficiency is improved.