120results about How to "Realize detachable installation" patented technology

The invention discloses a mountain tunnel waterproof and drainage structure convenient to maintain and replace and a construction method.The waterproof and drainage structure comprises a primary support, a secondary lining, detachable water guiding and drainage structures and a tunnel bottom drainage structure, an annular groove is reserved in a secondary lining construction joint, and the water guiding and drainage structures are intensively arranged; the water guiding and draining structure comprises a water draining pipe, an annular water draining groove, a water-wave-proof steel pattern plate, a heat preservation material and a decorative plate which are sequentially arranged from outside to inside. The bottom drainage structure comprises transverse drainage ditches and a central drainage ditch. According to the tunnel waterproof and drainage structure, the underground water behind the tunnel lining is basically drained through the capacity of the water drainage pipe for actively reducing the underground water, the underground water is prevented from acting on the supporting structure, permeation of the underground water into the supporting structure is reduced, the construction method is simple and convenient, and the construction quality is easy to control; during tunnel operation and maintenance, desilting, maintenance and replacement are facilitated, and the durability of the tunnel is improved.

The utility model discloses a trapper which comprises a bottom plate, a guardrail is fixedly connected to the bottom plate, a top plate is fixedly installed on the guardrail, a trap lamp is fixedly installed on the bottom plate, a power grid is arranged outside the trap lamp, the power grid is fixedly installed between the bottom plate and the top plate, a motor is fixedly installed on the top plate, and the top plate is fixedly connected with the motor. A driving shaft of the motor penetrates through the top plate and is coaxially and fixedly connected with a rotary disc, a gear ring is fixedly installed at the bottom of the top plate, one side of the gear ring is meshed with a gear, the gear is rotatably installed at the bottom of the rotary disc, and a cleaning brush is arranged below the gear. According to the device, the motor is matched with the rotating disc, the gear and the gear ring are matched with the threaded rod, so that the cleaning brush moves up and down to clean residual mosquito bodies on the power grid while rotating, and the residual mosquito bodies are prevented from influencing the killing effect of the power grid.

The invention provides a spiral anchor foundation and a construction method, and relates to the technical field of power transmission and transformation projects. The problems that an existing spiral anchor foundation needs to be welded on site, deviation exists in positioning of an anchor rod driven into soil, the welding workload is large, and the welding quality is difficult to guarantee are solved. The spiral anchor foundation comprises a steel bearing platform, a plurality of round steel pipes are arranged on the end face of the bottom of the steel bearing platform, and upper tower legs are arranged on the end face of the top of the steel bearing platform; each round steel pipe is detachably connected with an anchor rod through an outer sleeve steel pipe; each anchor rod is provided with a spiral anchor disc. According to the scheme, detachable installation of the spiral anchor foundation is achieved, the spiral anchor foundation has the advantages of being simple in structure, convenient to construct and free of field welding, the construction difficulty of the spiral anchor foundation is effectively reduced, and the construction quality of the spiral anchor foundation is improved.

The invention relates to an electric vehicle charging port rain cover fixed to a charging gun, and belongs to the technical field of electric vehicle charging equipment, the electric vehicle charging port rain cover comprises a sleeve, a sliding cylinder and sliding blocks, a plurality of sliding grooves are formed in the outer ring of the sliding cylinder in an annular array mode, the multiple sliding blocks are slidably installed in the sliding grooves, a fixing ring is fixedly installed on the inner side of the top of each sliding block, and the fixing rings are fixedly installed in the sliding grooves. The sliding barrel is fixedly installed in the sleeve, a notch is formed in the side wall of the sleeve and formed in the outer side of one sliding groove, the sleeve, the sliding barrel and the bottom of the sliding block are flush, the height of the sliding block is larger than that of the sliding barrel, the height of the sliding barrel is smaller than that of the sleeve, and the connecting wire and the charging gun are arranged in the fixing ring. A transparent cover is arranged on the outer side of the sleeve, wraps the charging gun and is connected with an automobile body. By arranging the transparent cover, the charging gun is wrapped in the transparent cover for protection, rainwater is prevented from entering the charging gun during charging in rainy days, so that short circuit or electric leakage of an automobile circuit is avoided, and potential safety hazards are reduced.

The present invention discloses a box girder anchoring device and anchoring construction method, the device comprises a movable vehicle body, a lifting frame body, hydraulic legs, a bearing frame, an anchoring mechanism and a lifting hoist mechanism; the lifting frame body drives the bearing frame and the anchoring mechanism to lift and lower through a lifting chain; the anchoring mechanism comprises a loading bin plugged into the bearing frame, an upper screw conveyor located at the bottom of the loading bin, a material distributor arranged at the outlet end of the upper screw conveyor, an anchoring member arranged below the upper screw conveyor, and a lateral adjustment mechanism for driving the anchoring member to move laterally relative to the upper screw conveyor; the anchoring member comprises two groups of anchoring screw conveyors arranged at the bottom of the material distributor and an intermediate protective connecting plate connected between the two groups of anchoring screw conveyors, and each group of anchoring screw conveyors comprises an anchoring conveyor and a longitudinal adjustment mechanism for driving the anchoring conveyor to move. The present invention can quickly complete the anchoring of the box girder, and improves the anchoring efficiency and adaptability.

The utility model discloses a cleaning agent self -suction type cleaning brush, including the casing, the bottom rotation of casing is equipped with the brush head, and the top is equipped with the water outlet pipe of fixed setting, and the inside is equipped with the drive assembly of transmission connection with the brush head, the bottom of brush head is equipped with the water jet, the upper end of water outlet pipe is linked with outside inlet valve, and the lower extreme is passed through the casing and is set and is opposite water jet, and the side detachable connection has the jar for storing cleaning agent, be equipped with self -suction device in water outlet pipe, the jar is linked with water outlet pipe through self -suction device, and self -suction device is suitable for the cleaning agent in negative pressure suction jar, the utility model discloses the clean water and cleaning agent separate storage, and realize the automatic mixing of cleaning agent and clean water when using, guarantee the cleaning effect, make the cleaning agent have longer effective period, convenient for the user to use.

The utility model relates to the technical field of generator heat insulation, and discloses a heat insulation structure for a generator end cover, which comprises an end cover body and a heat dissipation assembly which is detachably arranged on the end cover body, a plurality of heat dissipation grooves are arranged on the end cover body close to the outer edge in a penetrating manner and are annularly distributed relative to the end cover body; the end, close to the heat dissipation assembly, of the end cover body is fixedly provided with a connecting fence, the end, away from the heat dissipation assembly, of the connecting fence is provided with an air guide frame in an inserted mode, the frame, close to the connecting fence, of the air guide frame is designed in a beveling mode, and the connecting fence is provided with positioning bolts from top to bottom. According to the heat insulation structure for the generator end cover, when the air guide frame is installed, the insertion blocks are aligned with the insertion grooves of the connecting fences to be inserted until the air guide frame is completely embedded into the positioning grooves, the air guide frame can be conveniently, rapidly and accurately installed, the beveled frame design can guide airflow to smoothly pass through the heat dissipation grooves, and the heat dissipation efficiency of the end cover is improved; meanwhile, the insertion blocks are matched with the insertion grooves and the positioning grooves to prevent the air guide frame from shaking, and stable work of the air guide frame is guaranteed.

The utility model discloses a gear core assembly of an advertisement barrier gate, which belongs to the technical field of advertisement barrier gates and comprises a mounting seat, a plurality of mounting bolts are mounted on the mounting seat in a threaded manner, a transverse plate is fixedly mounted on the upper surface of the mounting seat, a vertical plate is fixedly mounted on the upper surface of the transverse plate, and a motor is fixedly mounted on the side surface of the vertical plate. A rotating shaft I and a rotating shaft II are rotationally mounted on the vertical plate, a mounting disc is fixedly mounted at one end of the rotating shaft II, and a plurality of mounting holes are formed in the mounting disc; the first motor is matched with the first rotating shaft, the first gear, the second gear and the second rotating shaft for use, the first gear and the second gear are arranged between the first motor and the stop lever for transmission, and the first gear and the second gear are matched with the air cylinder to drive the toothed plate and the second gear to be meshed. When the motor is directly connected with the stop lever, the phenomenon that parts in the motor are damaged due to the fact that the stop lever bears large acting force is avoided, and long-time stable work of the whole device is guaranteed.

The utility model discloses a detachable pet slow feeding tray which comprises a bowl body with a feeding groove and a blocking tray arranged in the feeding groove, a vertical pivotal shaft is fixedly arranged in the feeding groove, an annular clamping groove is formed in the peripheral wall of the pivotal shaft, a shaft sleeve is fixedly arranged on the blocking tray, a receding opening is formed in the peripheral wall of the shaft sleeve, a clamp is arranged at the receding opening, and the blocking tray is arranged on the bowl body. The clamp comprises a clamping plate, an elastic piece and a bulge; the pivot shaft is sleeved with the shaft sleeve, the protrusion extends into the avoiding opening under the action of the elastic piece and is clamped in the clamping groove, and the protrusion can rotate along the clamping groove. According to the scheme, the pivot shaft with the annular clamping groove is mainly arranged on the bowl body, the elastic clamping clip is arranged on the baffle disc, and the protrusion on the clamping clip is matched with the clamping groove, so that on one hand, the baffle disc can be detachably installed, and the baffle disc and the bowl body can be conveniently detached in the later period to be cleaned; and on the other hand, the baffle plate can rotate to a certain degree around the pivot shaft, so that the feeding interestingness of the pet can be increased, and the feeding speed of the pet is further reduced.

The invention belongs to the technical field of supports, and particularly relates to a mounting rack of a slope monitoring device for complex terrains, which comprises a base block and the like. The base blocks are vertically and horizontally arranged and spliced into bottom plates attached to the ground, positioning grooves used for fixing are formed in the positions, at the four corners of the bottom plates, of the base blocks, the bottom plates serve as bearing carriers of the device and a rack, the longitudinal sections of the base blocks are trapezoidal, the first hinge shafts are arranged on the two sides of the base blocks respectively, and the second hinge shafts are arranged on the two sides of the base blocks respectively. The first hinge shafts on the same base block are located on the upper side and the lower side of the two ends of the base block correspondingly. Through the longitudinal and transverse hinged design of the base blocks, the base blocks can be flexibly turned over to adapt to various complex terrain slopes, the thermoplastic pipe I and the thermoplastic pipe II are matched to be softened during heating and better attached to the ground, the thermoplastic pipe I and the thermoplastic pipe II are hardened after being cooled to keep a stable shape, and the adaptability and the stability of the device mounted to complex terrains are enhanced.

This invention provides a CAN converter with a heat dissipation structure, including a CAN converter body and a heat dissipation shell on the outside of the CAN converter body. A heat dissipation cavity is formed between the heat dissipation shell and the CAN converter body. Support legs are installed at the four corners of the bottom side of the heat dissipation shell. The heat dissipation shell includes an inner thermally conductive layer and an outer heat dissipation fin layer. This invention is reasonably designed. By setting up a heat dissipation shell, the thermally conductive layer quickly conducts heat, the heat dissipation fin layer increases the heat dissipation area, and a cooling fan forms forced convection cooling. The combination of multiple heat dissipation methods significantly improves the heat dissipation efficiency of the CAN converter body, enabling it to quickly and effectively dissipate the heat generated by the CAN converter body and reduce the operating temperature of the device. The addition of a thermally conductive silicone pad reduces the thermal resistance between the CAN converter body and the heat dissipation shell, further improving the heat conduction effect and ensuring that heat is transferred to the heat dissipation shell for dissipation in a timely manner.

The present application provides a limiting device, a bonding method and a device, which relate to the field of display panels. The limiting device includes: a connecting piece, which is used to connect with a first flat plate; the first flat plate is a vertically arranged flat plate; a substrate, which is connected to the connecting piece, the width of the substrate is greater than the width of the second flat plate, and the height of the substrate is lower than the height of the second flat plate; the second flat plate is a flat plate bonded with the first flat plate; the first surface of the substrate abuts against the surface of the second flat plate on the side away from the first flat plate. The above-mentioned limiting device can improve the structural stability of the bonding between the first flat plate and the second flat plate in a vertical state, thereby improving the bonding effect.

The utility model relates to a dartboard convenient for score area position adjustment, which is characterized in that a dartboard body is circular, a limiting steel ring is sleeved outside the dartboard body, the middle of the upper surface of the dartboard body is divided into a plurality of score areas through a knife net, a plurality of grooves are uniformly arranged outside the upper surface of the dartboard body, strong magnetic blocks are fixedly embedded in the grooves, a digital disc is annular, and the strong magnetic blocks are embedded in the strong magnetic blocks. The digital disc is concentrically placed above the target body, the lower end of the digital disc is in contact with the upper surface of the target body, the upper end of the digital disc is arc-shaped, a plurality of connecting plates are uniformly arranged on the inner surface of the digital disc, digital modules are integrally connected to the upper surfaces of the connecting plates, clamping grooves are formed in the middle positions of the lower surfaces of the connecting plates, and limiting iron blocks are fixedly embedded in the clamping grooves; the device has the advantages of reasonable overall structural design and time-saving and convenient score area adjustment operation.

This utility model relates to the field of pipe fixing technology, and in particular to a pipe clamping device and boiler equipment. The pipe clamping device provided by this utility model includes two clamping plates arranged opposite each other and a connector. The clamping plates include a connecting part and a plurality of clamping parts spaced apart along a first direction. The plurality of clamping parts form an elastic corrugated structure, and the clamping parts fit against the pipe surface through elastic deformation. The connector connects the connecting parts of the two clamping plates so that the two clamping plates clamp the pipe. The pipe clamping device provided by this utility model can automatically adapt to the dimensional deviation between pipes and the thermal deformation during operation. While ensuring reliable clamping, it reduces the requirements for installation accuracy and improves the stability and consistency of the clamping effect.

The utility model provides a quartz sand high-temperature treatment water-cooling device, which comprises a quartz cooling pipe, a water-cooling pipe, a water-cooling pipe, a water-cooling pipe, a water-cooling pipe and a water-cooling pipe, the fixing mechanism is arranged at at least one end of the quartz cooling pipe; a driving roller that supports the fixing mechanism and rotationally drives the fixing mechanism; the fixing mechanism comprises a retaining wheel, a fixing mechanism and a fixing mechanism, a through hole is formed in the center of the retaining wheel, and the quartz cooling pipe penetrates through the through hole; the fixing columns are distributed in the circumferential direction of the retaining wheel and extend out of the surface of the retaining wheel in the approximately vertical direction; the two ends of each hoop strip are fixedly connected with the fixed column, and the middle part of each hoop strip is wound to the opposite side of the quartz cooling pipe. The utility model has the effects that the cooling time of quartz sand is shortened, the detachable installation of the quartz cooling pipe is realized, the shaking between the quartz cooling pipe and the retaining wheel is avoided, and the problem that the retaining wheel is easy to slip off is solved.

The invention relates to a device and a method for repairing blue-green gorgeous surface of cover beam concrete, comprising a box shell (93) placed on the blue-green gorgeous part of the cover beam concrete surface, a spray pipe (94) arranged in the box shell (93), and a connecting frame component arranged between the box shell (93) and a cover beam, according to the device, a sealing cavity is formed in the blue-green gorgeous surface of the cover beam concrete surface, a box shell (93) is fixedly installed on the cover beam concrete surface through a connecting frame component, alcohol liquid mist is released in the box shell (93) through a spraying pipe (94), and the blue-green gorgeous surface of the cover beam concrete surface is eliminated in the alcohol liquid mist; the technical problem that the alcohol liquid is directly sprayed on the blue-green gorgeous surface of the cover beam concrete is solved, so that the blue-green gorgeous repairing effect on the cover beam concrete surface is improved.

The utility model discloses a water supply tank and an electric steaming furnace, and belongs to the technical field of kitchen utensils. The water bottle is inserted into the water bottle cage, and the device further comprises a rebounding device; the rebounding device comprises a fixed rod and a movable rod, the fixed rod is clamped in the water bottle, and the movable rod faces the water bottle cage; the mounting direction of the rebounding device is parallel to the direction in which the water bottle is inserted into the water bottle cage; when the kettle needs to be taken out, the kettle is pressed, and the rebounding device pops out of the kettle; when the kettle is inserted, the rebounding device is compressed to position the position of the kettle. The rebounding device is clamped in the kettle and is a detachable device, and workers can conveniently detect and replace the rebounding device when the rebounding device is damaged for a long time.

The utility model relates to the technical field of food processing and stirring, and discloses a stirring device for food processing, which comprises a bottom plate, one side of the top of the bottom plate is provided with a placing groove, a stirring barrel is placed in the placing groove, one side of the top surface of the bottom plate is welded with a support frame, and a lifting plate is slidably connected in the support frame. Through the combination of a plurality of inserting grooves formed in the top of the sleeve on the rotating shaft, matched inserting blocks, mounting blocks and stirring blades, detachable mounting of the stirring blades is achieved, replacement or maintenance and maintenance are convenient, through cooperation of an outer threaded pipe on the top of the sleeve and a limiting threaded pipe on the outer ring of the rotating shaft, limiting and unlocking operation on the inserting blocks is convenient, and the practicability is high. And through sliding connection of sliding blocks on the two sides of a lifting plate in T-shaped sliding grooves in the two sides of the interior of a supporting frame, the height of stirring blades in the stirring barrel can be adjusted, and different stirring requirements are met.

The invention relates to the technical field of rainwater drainage, and provides a sewage interception overflow well which comprises an overflow well body, an overflow well lid, a grating and an overflow weir, the grating is detachably connected into the overflow well body, the grating is arranged in the depth direction of the overflow well body, and the overflow well lid is arranged in the overflow well body. The grating divides the internal space of the overflow well main body into a first partition area and a second partition area, and the grating is used for blocking garbage in rainwater; a rainwater connector is formed in the side wall of the overflow well body and communicates with the first partition area, and rainwater enters the first partition area through the rainwater connector. The overflow weir is arranged in the second partition area and divides the second partition area into a settling area and a drainage area; a rainwater overflow opening is formed in the side wall of the overflow well body, and filtered and precipitated rainwater flows out through the rainwater overflow opening. The sewer has the effect of reducing the blockage of the sewer caused by the garbage.

This utility model discloses an excavator rake tooth, including a first tooth body, a second tooth body, and a connecting mechanism. The first tooth body is provided with a working surface and a first mating part, and the working surface and the first mating part are respectively provided on the front and rear end faces of the first tooth body. The second tooth body is provided with a second mating part corresponding to and matching the first mating part, and the first mating part and the second mating part are mated together. The first tooth body and the second tooth body together form an installation port, which is used to connect the rake tooth to the rake head, and the rake head is installed at the end of the excavator's boom. The connecting mechanism includes a first connector, which is used to connect the first tooth body and the second tooth body. With the above structure, only the damaged part of the rake tooth (such as the first tooth body or the second tooth body) needs to be disassembled and a portion of the rake tooth part needs to be replaced, further reducing the replacement cost.

The utility model discloses a battery module and electronic equipment. The battery module comprises a battery body, the glue injection body is arranged on the battery body, a second limiting surface and a first matching surface are arranged on the glue injection body, at least part of the second limiting surface is an inclined surface, and at least part of the first matching surface is an inclined surface; and the fixing piece is provided with a second matching surface, at least part of the second matching surface is pressed on the first matching surface, and the battery body is installed at a preset position through the fixing piece. The electronic equipment solves the problems that a battery in the electronic equipment and the equipment are of an integrated structure, the battery cannot be replaced, and the service life of the equipment is shortened in the prior art.

The utility model discloses a center frame top head, which relates to the technical field of machine tool equipment and is characterized in that a mounting groove is arranged on the end surface of one end of a mounting seat, a support roller and a tapered roller bearing which rotate in the same direction are sequentially and detachably mounted between two inner side walls of the mounting groove from inside to outside, and a shaft sleeve is sleeved on the outer ring surface of the tapered roller bearing; one side of the shaft sleeve abuts against and is matched with the supporting roller, the other side of the shaft sleeve extends out of the mounting groove, limiting pieces used for horizontally limiting the tapered roller bearing are arranged between the two end faces of the tapered roller bearing and the inner side wall of the adjacent mounting groove, and a connecting base connected with a machine tool is arranged on the end face of the other end of the mounting base. According to the utility model, the high stability of the center frame ejector head is realized, and great convenience is provided for subsequent overhaul and maintenance.

The utility model belongs to the technical field of drainage collection of treatment chairs, and particularly relates to a drainage collector of a comprehensive treatment chair for the department of stomatology, which comprises a mounting frame detachably mounted on the treatment chair, and a mounting seat and a collection cup are sequentially mounted on the mounting frame from top to bottom. A detachable mounting area for accommodating the collecting cup is formed at the bottom of the mounting seat, a liquid inlet pipe extending into the collecting cup is mounted on the mounting seat, the liquid inlet pipe is used for collecting drained water into the collecting cup, internal threads are formed at the bottom of the mounting seat, the mounting area is formed in the internal threads, and the liquid inlet pipe is communicated with the liquid inlet pipe. According to the utility model, the mounting seat, the collecting cup and the mounting area are additionally arranged, and the collecting cup can be detachably mounted on the mounting seat through the mounting area, so that a storage area for sealing and protecting the liquid discharge end of the air inlet pipe is formed between the mounting seat and the collecting cup, and the liquid discharge end of the liquid inlet pipe is prevented from being exposed in an external space.

The utility model discloses a filter safety valve and water heater, filter assembly includes valve shell and filter assembly, the water inlet channel and filter cavity are formed in the valve shell, and filter cavity communicates with the water inlet channel, filter assembly is detachably arranged in filter cavity, and filter assembly includes framework spare and filter screen, and filter screen sets up on the framework spare, and the wall of framework spare is detachably connected with filter cavity, and the dismounting of filter assembly is convenient.

The utility model relates to the technical field of assembly type buildings, in particular to a novel green assembly type composite thermal insulation external wall panel, which realizes the detachable installation of an assembly type wall panel wall attaching layer and an assembly type wall panel connecting layer, simplifies the manufacturing complexity and reduces the manufacturing cost at the same time. Meanwhile, the sealing assembly seals the assembly type wallboard heat preservation layer, and the assembly type wallboard heat preservation layer is prevented from being separated from the inserting groove; comprising an assembly type wallboard wall attaching layer, an assembly type wallboard connecting layer, an assembly type wallboard peripheral layer, an inserting groove and an assembly type wallboard heat preservation layer, the inserting groove is formed in the top end of the assembly type wallboard peripheral layer, and the assembly type wallboard heat preservation layer is placed in the inserting groove; the assembly type wallboard wall attaching layer and the assembly type wallboard connecting layer are detachably connected through a first connecting assembly, the assembly type wallboard peripheral layer is connected with the assembly type wallboard connecting layer through a second connecting assembly, and a sealing assembly is arranged on the assembly type wallboard peripheral layer.

The application relates to the technical field of electric bicycles, in particular to a battery mounting device for electric bicycles, which comprises a shell, a cavity is penetrated through the surface of the shell, a first connecting assembly is fixedly connected to the side surface of the shell which is perpendicular to the two openings of the cavity, a connecting groove is arranged in the opposite side wall of one side wall of the shell, the first connecting assembly on the shell is clamped into the connecting groove on another shell, and the connection of the plurality of shells in the same straight line is completed, and the first connecting assembly is movably connected with the connecting groove; the plurality of shells are connected through the first connecting assembly and can be bent to adapt to different radii of different surfaces of electric bicycles; and the plurality of shells are arranged in a straight line along the surface, can adapt to different vehicle types, and increase the installation application range of the battery mounting frame.

The utility model discloses a kind of filtering screens for styrene-butadiene rubber, including filter box and detachably installed sieve plate in the top of filter box, equipment frame is fixed on the both sides of filter box, the top of two equipment frames is slidably provided with slide, the drive assembly for sliding of two slide plates is equipped in two equipment frames, the top of two slide plates is fixed with L-shaped connecting plate, the outer wall of one side L-shaped connecting plate is fixed with driving motor, cleaning roller is rotatably arranged between two L-shaped connecting plates, the output shaft of driving motor is through L-shaped connecting plate and is fixedly connected with cleaning roller, the inside of filter box is obliquely fixed with discharge plate, discharge port is formed between the bottom end of discharge plate and filter box, electromagnet plate is installed at discharge port in inclined shape, for adsorbing and guiding flow iron-containing impurities, material collecting box is installed on the inner bottom of filter box, solve the problem that traditional sieve plate is easily blocked by large particle impurities, affect screening continuity and the adsorption capacity of small iron filings particles is insufficient, difficult to realize efficient separation.

The utility model relates to kitchen scissors technical field, especially for a kind of kitchen scissors of magnetic blade quick replacement, including kitchen scissors component, the kitchen scissors component includes two symmetrically arranged handle, two scissors head, two blades and a connecting piece, the side close to the blade of the scissors head is equipped with installation groove, the inboard of the installation groove is fixedly connected with first strong magnetic attraction piece, the outside of the blade is fixedly connected with mounting block, the side of the mounting block is fixedly connected with second strong magnetic attraction piece, in the utility model, the structure of first strong magnetic attraction piece, second strong magnetic attraction piece, clamping block and clamping groove etc. are set, first strong magnetic attraction piece and second strong magnetic attraction piece are attached, the detachable installation of mounting block and blade is realized, and the reinforcement of mounting block is realized by clamping block clamping in the inboard of clamping groove, solve the problem that common kitchen scissors is usually inconvenient to quickly replace blade.

The detachable crawler cylinder comprises a base assembly, a rear frame assembly, a left side frame assembly, a right side frame assembly, a left door assembly, a right door assembly, two L-shaped adapters A and two L-shaped adapters B, the two L-shaped adapters A are arranged at the rear corner of the top of the base assembly; the two L-shaped adapters B are arranged at the front corner of the top of the base assembly; the base assembly and the rear frame assembly are detachably connected through two L-shaped adapters A; the base assembly and the left and right side frame assemblies are detachably connected through an L-shaped adapter A and an L-shaped adapter B; the base assembly and the left and right door assembly are detachably connected through an L-shaped adapter A and an L-shaped adapter B. And tool-free combined installation is very convenient, and the reliability is high. The mode of convenient combination and installation enables the installation at the client to be simpler and easier, avoids the problem of high cost of mailing a complete crawler cylinder, and greatly saves the mailing cost.