81results about How to "Play the role of clamping and fixing" patented technology

The invention discloses a filter screen cutting machine for sewage treatment. The filter screen cutting machine comprises a workbench, wherein the left side of the workbench is fixedly connected withan equipment box, the left side of an inner cavity of the equipment box is fixedly connected with a motor, the right end of an output end of the motor is fixedly connected with a first rotating rod, and the right side of the first rotating rod penetrates through the equipment box and the workbench in sequence and extends to an inner cavity of the workbench and is sleeved with a driving wheel. Thefilter screen cutting machine for the sewage treatment solves the problem that an existing filter screen cutting machine cannot clamp filter screens with different sizes through the arrangement and cooperative use of the workbench, a belt, the first rotating rod, the motor, the equipment box, the driving wheel, a threaded sleeve, supporting rods, a mounting plate, a cutting device, supporting legs, a forward threaded rod, an inverse threaded rod, a second rotating rod, a driven wheel, an opening, fixing rods, grips, a pull rod, a limiting box, a spring, a limiting plate, a telescopic rod, a fixing plate, a placement plate and a connecting block.

The invention discloses a polishing device for a hemispherical cover plate. The polishing device for the hemispherical cover plate comprises a base. The center of the upper surface of the base is provided with a workbench in a welded manner, and the interior of the workbench is fixedly provided with a second driving motor by a bolt. The upper surfaces of two sides of the base are provided with anarc frame in a welded manner, and the surface of the arc frame is provided with a sliding chute. The sliding chute is slidably connected with a clamping rod through a limiting roller shaft. The outerside of the clamping rod is provided with a first driving cylinder in a welded manner. The lower part of the first driving cylinder is connected with a first driving motor through a telescopic rod. The lower surface of a water storage tank is provided with a polishing rod. The upper part of the first driving cylinder is provided with a pneumatic nozzle in a welded manner. The polishing device is simple and rational in integrated structural design, and is capable of, through the installed arc frame, enabling the first driving motor to perform circular movement in the sliding chute of the arc frame, thereby changing a polishing angle of a polishing plate, and realizing integrated arc polishing treatment to the outer surface of the hemispherical cover plate.

The invention relates to the technical field of digital printing, in particular to a digital printing machine conduction band cleaning processing device. The processing device can be used for clean printing ink on the surface of a conduction band in a mechanical manner, manual operation trouble is saved, and the working efficiency is better improved. The digital printing machine conduction band cleaning processing device structurally comprises a machine case and landing legs at the bottom, a guide roller is arranged on the machine case, and the conduction band is arranged on the guide roller; and a cleaning agent spraying device is arranged at the position, below the conduction band, at right end part of the bottom face of the machine case, a drying device is arranged at the left end portion of the bottom face of the machine case, a clean water spraying device is arranged at the middle portion of the bottom face of the machine case, and wiping devices are arranged on the left side and the right side of the clean water spraying device. The digital printing machine conduction band cleaning processing device is simple in operation, convenient to use and suitable for digital printing machines in multiple types.

The invention relates to a downwind ball processing device, in particular to a flagpole downwind ball anticorrosive oil surrounding type wiping and smearing device. The device comprises a supporting base, a supporting plate, a surrounding rotating mechanism, a clamping mechanism, a lifting clamping mechanism and the like. The supporting plate is fixedly arranged on the bottom side of the supporting base; the surrounding rotating mechanism is arranged on the supporting base and the supporting plate; and the clamping mechanism and the lifting clamping mechanism are both arranged on the surrounding rotating mechanism. A clamping ring and four movable clamping frames cooperate to clamp and fix downwind balls of different sizes, therefore the downwind balls of different sizes can be placed at the upper end of a power shaft to be wiped with anticorrosive oil, the anticorrosive oil can be uniformly smeared on the downwind balls through a sponge absorption block, and the sponge absorption block can also meet the wiping requirements of the downwind balls of different sizes.

The invention discloses a damping base for intelligent equipment. The damping base comprises a bottom plate, a left baffle is arranged on the left side of the bottom plate, a right baffle is arrangedon the right side of the bottom plate, two bottom sliding plates are arranged on the outer wall of the top of the bottom plate, supporting columns are arranged on the outer walls of the tops of the two bottom sliding plates correspondingly, connecting rods are arranged at the tops of the supporting columns, external springs are arranged on the outer walls of the connecting rods, baffles are arranged on the outer walls of the bottom ends of the connecting rods and located in the supporting columns, internal springs are arranged on the outer walls of the bottom ends of the baffles, top sliding plates are arranged on the outer walls of the tops of the connecting rods, storing plates are arranged on the outer walls of the tops of the top sliding plates, first compression springs are arranged on the outer walls of the left sides of the top sliding plates, the ends, away from the top sliding plates, of the first compression springs are fixedly connected with the storing plates, first extension springs are arranged on the outer walls of the right sides of the top sliding plates, and the ends, away from the top sliding plates, of the first extension springs are fixedly connected with the storing plates.

The invention relates to a mounting device for a prefabricated building prefabricated component. The mounting device comprises an assembly mounting groove and a supporting bearing plate, wherein the supporting bearing plate is movably arranged in the assembly mounting groove, a plurality of rotary supporting columns are connected to one end of the supporting bearing plate, and rotating rods are fixedly inserted into the rotary supporting columns. The mounting device is used for clamping, fixing and lifting the prefabricated building prefabricated component in the mounting process, specifically, in the mounting process of the prefabricated building prefabricated component, the prefabricated building prefabricated component is clamped and fixed from the bottom through the device, then the prefabricated building prefabricated component is lifted to the corresponding mounting position through the equipment, and finally the device can drive the prefabricated building prefabricated componentto rotate, so that the prefabricated building component is in a vertical state; and meanwhile, the device can also achieve a rapid positioning effect, so that the working efficiency can be effectively improved.

The invention provides an auxiliary clamping tool for machining an inner groove of a bearing outer ring, and relates to the technical field of part machining, in order to solve the problems that when an existing clamping tool for the bearing outer ring is used, the clamping tool cannot be adjusted to any position, cannot be limited after the clamping tool is pulled and cannot guide and collect chippings generated during machining. The auxiliary clamping tool comprises a main body, guide grooves and a limiting plate, wherein the main body is of a rectangular structure, a rectangular groove is arranged in the bottom of the main body, and rectangular grooves are evenly arranged in the two sides of the top end of the main body; and the guide grooves are arranged in the two sides of the main body. When the auxiliary clamping tool is used, a fixed part can be controlled to move through a pulling piece, then the auxiliary clamping tool can be adjusted to any position, after the position is adjusted, the limiting plate can be controlled to move downwards, the bottoms of the two sides of the limiting plate are inserted into clamping grooves, and then the pulling piece can be fixed and limited; and the two ends of the two sides of the pulling piece are of inclined structures, so that the chippings can be guided to two sides, and therefore the chippings can be discharged and collected downwards.

The invention discloses an automatic leather finishing device capable of realizing flattening and shaping and preventing wrinkles. The automatic leather finishing device comprises a main box body, wherein a processing cavity with a forward opening is formed in the main box body; the right side of the machining cavity communicates with a right clamping plate cavity, and a coating cavity is formed in the right side in a communicating mode; a coating plate is in sliding fit connection with the front and rear end walls of the coating cavity; the lower end surface of the coating plate is fixedly connected with a brush; the upper end surface of the coating plate is fixedly connected with a coating plate rack; a reverse contact block is fixedly connected to the right tail end of the upper end surface of the coating plate; a reverse contact switch capable of corresponding to the reverse contact block is arranged in and fixedly connected with the upper end wall of the coating cavity; an extrusion rod drives an extrusion block to move downwards; the extrusion block flattens and shapes leather to be coated, so the leather to be coated is free of curling as much as possible, and subsequent coating work is facilitated; and a left clamping plate and a right clamping plate rotate to press the leather, so clamping and fixing effects are achieved, wrinkles of the leather in the coating processare avoided, and uneven coating caused by the wrinkles is also avoided.

The invention relates to a paint spraying device with a clamping part, which comprises a casing, a paint storage tank is arranged at the bottom of the casing, a rotating motor is arranged on the top of the casing, the output shaft of the rotating motor is connected with a rotating rod, and the rotating rod is connected with a second One gear, the first gear meshes with the second gear, the second gear is connected to the rotating shaft, the bottom of the rotating shaft is threadedly connected with a clamping device, and a cylindrical part is fixed on the clamping device; the bottom of the paint storage tank is provided with a paint outlet pipe , the paint outlet pipe is connected to a paint spray pipe through a hose, and a plurality of paint spray heads are arranged on the paint spray pipe; the clamping device includes a second electric lifting rod, and three clamping components are fixedly connected to the bottom of the second electric lifting rod, and the clamping components include The fixed cylinder is provided with a movable cylinder, the movable cylinder is connected with a spring, and the spring is fixedly connected with the second electric lifting rod; a rubber gasket is arranged above the movable cylinder; the clamping device in the present invention will not cause any damage to the painted surface. The effect of spraying paint is uniform, and the process of spraying paint will not cause paint waste.

The invention belongs to the technical field of power cable clamping devices, and particularly relates to a wire clamp clamping and fixing device. The device comprises a base, an air cylinder, a leftclamping plate, a right clamping plate and a bottom plate, wherein the bottom plate is fixed on the base; the right clamping plate is fixed to the right side of the bottom plate through a right fixingseat; two left fixing seats are fixed on the left side of the bottom plate; two guide columns are connected between the left fixing seats and the right fixing seat; guide sleeves are arranged at thetwo ends of the left clamping plate; the left end of the left clamping plate is hinged to one end of a right connecting arm; a connecting seat is arranged on the bottom plate on the left side of a through hole; the connecting seat is hinged to one end of the left connecting arm; the other end of the left connecting arm and the other end of the right connecting arm penetrate through the through hole to be hinged to a piston rod of the air cylinder; and the bottom of the air cylinder is hinged to the base. The wire clamp clamping and fixing device is compact in structure and can be mounted at any position as a whole, so that the effect of clamping and fixing is achieved, the wire clamp can be clamped through the wire clamp clamping and fixing device, and the clamping is rapid and stable.

The invention provides a crankshaft polishing support device with a self-cleaning function, which comprises an upper support transverse plate, a support column, a lower support transverse plate, a mobile wheel, a fixed through hole, a clampable crankshaft fixed clamping seat structure, a filter adsorption scrap cleaning cover structure, a crankshaft grinding and trimming rod structure, a fixable oil pot air cylinder push rod ejector rod structure, a rear part protective baffle, amanual pushing handle, an anti-skid sleeve, a lifting control switch, a cleaning and dust collecting control switch,a first fixingseat, a lifting air cylinder, a movablesliding groove, a second fixing seat, and a magnet strip. According to the crankshaft polishing support device with the self-cleaning function,thearrangement of a waste collection box, a fixed inserting tube, a manual holding handle, a connecting rod, afile plate, a stainless steel bending strip, and abrush cleaning device are favorable for cleaning the bending portion of the crankshaft after the polishing is completed, the waste collection box is used for collecting, a good working environment is maintained while an unsuitable part is ground and trimmed with the file plate.

The invention provides a clamping mechanism for welding bolts. The clamping mechanism includes a limiting block, and the left part of the limiting block stretches forward to form a clamping part; an opening groove is formed in the middle of the interior of the clamping part, and the opening groove is forward internally provided with two manganese steel spring pieces, wherein the two manganese steel spring pieces are arranged in a V shape; the welding bolts are inserted into the front sides of the middles of the two manganese steel spring pieces and are clamped; and the head parts of the welding bolts are located below the clamping part; pressing blocks are arranged on the front sides of the welding bolts, and the pressing blocks can press the head parts of the welding bolts downwards. During welding, the welding bolts are stuffed into the front sides of the middles of the two manganese steel spring pieces which are arranged in the V shape, and grooves are formed to allow the welding bolts to pass through, in this way, it can be ensured well that the welding bolts are clamped in place and cannot fall off, and then clamping force is exerted on the welding bolts through the pressing blocks, so that the functions of clamping and fixing to the welding bolts are achieved, and the perpendicularity of the welding bolts is ensured to make the welding bolts be suitable for production.

The invention discloses a filling device for treating radioactive waste. The filling device comprises a storage tank and a first conveying device, wherein the storage tank is arranged at the top of the first conveying device, weighing devices are symmetrically disposed on both sides of the storage tank, each weighing device comprises a support table, an electronic scale, a lifting device and a fixing device, and each electronic scale is fixed on the top of the corresponding support table; each lifting device is fixed on the top of the corresponding electronic scale, each fixing device is fixedto the output end of the corresponding lifting device, output ends of the fixing devices are in contact with the storage tank, and a mounting rack is fixed at tops of the support tables; and a material feeding device is fixed on the top of the mounting rack, the material feeding device comprises a material collecting trough, an extruding device, a material outlet pipe and a flow limiting device,and the outer side of the material collecting trough is fixed to the top of the mounting rack. Through the filling device for treating the radioactive waste, mechanical and automatic filling of the radioactive solid waste can be conducted, use of labor is reduced, and radiation of the radioactive matter to the staff is avoided.

The invention relates to a kit for gene detection. The kit comprises a kit body, a box cover, a placing rack and reagent bottles, the box cover is hinged on the kit body, the placing rack is fixedly arranged in the kit body, and the multiple reagent bottles are movably inserted on the placing rack. According to the kit for the gene detection, an existing kit is improved, the improved kit can play a role in clamping and fixing the reagent bottles, in this way, in the transferring process of the kit, the reagent bottles can be prevented from moving relative to the kit, leakage of reagent raw materials can be prevented, meanwhile, the reagent bottles can be protected, the improved kit is reasonable in structural design, and the effect of conveniently clamping and loosening the reagent bottles can be achieved, so that the improved kit has higher practical value.

The invention discloses a sealing and fastening device for non-armored underwater photoelectric composite cables, comprising a sealing and fastening main body, wherein, the sealing and fastening mainbody comprises an integral fastening part and a sealing part; the fastening part and the sealing part are provided with a fastening cavity and a sealing cavity which are communicated with each other;A lobe-type fastening cone sleeve is arranged inside that fasten cavity, the lobe-type fastening cone sleeve is respectively provided with an outer groove and an inner groove on the outer circumference and the inner circumference along the radial direction, a stainless steel ring is wound in the outer groove, a fastening nut is arranged at the end of the fastening cavity, and a pressing washer isarranged between the fastening nut and the lobe-type fastening cone sleeve; A plurality of sealing rings are arranged in the sealing cavity, a sealing flat gasket is arranged between adjacent sealingrings, a sealing nut is arranged at the end of the sealing cavity, and a sealing pressure gasket is arranged between the sealing nut and the sealing ring; Anti-loosening pressure plate is arrange between that sealing fasten body and the sealing nut; The sealing and fastening device disclosed by the invention has good waterproof and sealing effect, and ensures the sealing reliability of the photoelectric composite cable.

The invention belongs to the field of monitoring facility and relates to a road surface monitoring device, in particular to a monitor mounting structure capable of being mounted and adjusted rapidly.A fixed part is movably mounted at the top of a monitoring rod; a plurality of extending arms are mounted on the outer side of the fixed part at equal intervals; a monitor is mounted in each of the extending arms in a sliding manner; the relative position of the monitor and the corresponding extending arm can be adjusted and fixed; the fixed part comprises a top plate, a fixed head and a latch fastener device; the top plate is mounted at the upper end part of the monitoring rod in the horizontal direction; the fixed head is vertically mounted on the upper surface of the top plate; a clamping groove is formed in the outer edge of the fixed head; the fixed head is movably mounted on the latch fastener device through the clamping groove in a clamping manner; two extending arms are symmetrically mounted on the two sides of the external part of the latch fastener device; two sliding chutes are formed in the two extending arms in the extending directions; two sliding blocks are mounted in the two sliding chutes in a sliding manner; and monitors are mounted in the two sliding blocks.

The invention relates to the technical field of buildings, in particular to a solar curtain wall. The solar curtain wall comprises a solar cell panel and four mounting rods, wherein the solar cell panel is located between the four mounting rods; clamping devices are arranged in grooves, a baffle is arranged in a mounting slot, and a sliding slot is formed in one side of the portion, located in themounting slot, of the baffle; a third connecting rod is connected to the middles of a first connecting rod and second connecting rod, a pulling rod is arranged in the middle of the third connecting rod, and the other ends of the first connecting rod and second connecting rod are both provided with a pusher. The solar curtain wall is simple in structure and convenient to install, quick installation and fixation of the solar cell panel can be achieved, the arranged clamping devices can achieve a clamping and fixing effect on the solar cell panel, and the arranged baffle can prevent the solar cell panel from falling through a relationship between the connecting rods; the structure is stable, the installation efficiency can be greatly improved, time and labor are saved, the fixing effect is good, and the solar curtain wall is worthy of application.

The invention relates to a puncture cone needle assembly which comprises a sleeve, a first puncture needle and a second puncture needle. The puncture end of the first puncture needle is of a camberedsurface structure, and the puncture end of the second puncture needle is of a sharp pointed structure; the outer side wall of the first puncture needle and the outer side wall of the second puncture needle are matched with the inner side wall of the sleeve; the first puncture needle is fixed to the interior of the sleeve in a pluggable mode, and the puncture end of the first puncture needle stretches out from one end of the sleeve; or the second puncture needle is fixed to the interior of the sleeve in a pluggable mode, and the puncture end of the second puncture needle stretches out from oneend of the sleeve. When the puncture cone needle starts puncturing, the second puncture needle punctures sin and other tissue; when an intestinal tube or a blood vessel exists in front of the punctureneedles, the second puncture needle can be pulled out and replaced with the first puncture needle, and due to the fact that the end of the puncture section of the first puncture needle is of the cambered surface structure, and the damage to intestinal tubes or blood vessels can be relieved in the puncturing process.

The invention discloses a medical nursing anti-slip walking stick for the orthopedics department. The walking stick comprises a sleeve, supports are symmetrically welded to the two sides of the top ofthe sleeve, and a handle is welded to the inner surface wall between the two supports; a shoulder supporting plate is arranged at the tops of the two supports, a hollowed-out plate is arranged in theshoulder supporting plate, fixing pipes are symmetrically welded to the outer surface walls of the inclined ends of the two sides of a supporting column, and buffer springs are connected to the middles of auxiliary supporting feet. According to the medical nursing anti-slip walking stick, through arrangement of the auxiliary supporting feet, when a cushion block is unevenly stressed and slides towards the two sides, a pressure bearing column can be inclined, the auxiliary supporting feet can be in contact with the ground at this moment, and when the auxiliary supporting feet are excessively stressed, the buffer springs can be compressed and deform, and clamping columns can move upwards and be embedded in grooves at this moment; on one hand, the auxiliary supporting feet have the limit andprotection effect, on the other hand, a user is also prevented from slipping down when using the walking stick, the use safety of the walking stick is improved, and then the personal safety of use personnel is guaranteed to the greatest degree.

The invention relates to a fabricated concrete cooling tower and a construction method. A traditional construction method is reverse formwork construction method or climbing formwork construction method and needs to complete at high altitude, and the degree of difficulty of high altitude construction is high, so that the construction period is relatively long. The fabricated concrete cooling towercomprises a foundation (1), wherein a tower wall (2) is connected to the upper part of the foundation, a top hoop (3) is connected to the upper part of the tower wall, and the tower wall adopts an fabricated structure; and stress components of the fabricated structure comprise horizontal concrete beams (4) and hyperbolic concrete columns (41) connected with the horizontal concrete beams, whereinthe hyperbolic concrete columns are cast-in-situ concrete columns from bottom to top in the shapes of hyperboloid bus bars, and a group of prefabricated plates (5) are sequentially embedded in the stress components along with the rise of the height of the cast-in-situ concrete columns to finally form a cooling tower shell; and a horizontal bottom beam (42) is cast in situ between the foundation and the prefabricated plates (5), the hyperbolic concrete columns (41) are cast in situ at the transverse connection positions between the prefabricated plates, and the horizontal concrete beams (4) arecast in situ at the height direction connection positions between the lower prefabricated plates and the upper prefabricated plates

The invention relates to injection molding equipment for automobile part production, which comprises a base, a feeding hopper, a heating chamber, a material conveying pipe and a forming chamber. The heating chamber and the forming chamber are respectively formed on both sides of the upper portion of the base; a die is arranged in the forming chamber; a material conveying pipe is transversely arranged; the heating chamber communicates with the die through the material conveying pipe; the feeding hopper is arranged above the heating chamber; the feeding hopper is communicated with the heating chamber; a fixing mechanism and two clamping blocks are arranged in the forming chamber; the two clamping blocks are respectively arranged on both sides of the die; the fixing mechanism is arranged at the bottom in the forming chamber; and the fixing mechanism is connected with the clamping blocks. According to the injection molding equipment for automobile part production, the die can be clamped and fixed through the fixing mechanism, so that the stability of the die is improved, the procedure of repairing leaked plastic at a joint colse is reduced; and moreover, the cleaning range of a spraying nozzle is enlarged through the fixing mechanism, and the practicability of the injection molding equipment is improved.

The invention discloses an article clamping device of automatic paint spraying equipment. The article clamping device comprises a supporting base. A rotation shaft base is fixedly arranged on the outer surface of the upper end of the supporting base, a sleeving base is arranged in the rotation shaft base, a threaded rod is rotationally arranged on the inner surface of the sleeving base, and a fastener is rotationally arranged on the outer surface of the threaded rod. A device machine shell is welded and installed on the outer surface of the upper end of the supporting base. A maintaining handle is welded and installed on the outer surface of the front end of the device machine shell. An air inlet is formed in the outer surface of one side of the device machine shell, and an induced draft fan is arranged on the outer surface of the other side of the device machine shell and internally provided with a fan. A filter net is arranged on the outer surface of one side of the induced draft fan, and a strengthening table is welded and installed on the outer surface of the device machine shell. The article clamping device of the automatic paint spraying equipment has the function of clampingand rotating, daily paint spraying work can be convenient, meanwhile, the filter function is achieved, indoor air pollution is reduced, and better usage prospects are brought.

The invention discloses a motor structure. The motor structure comprises an upper support having a center hole for penetration of a rotor, a lower support having a center hole for penetration of the rotor, a stator, a rotor, wherein a lower portion of the stator is connected with the lower support, an upper portion of the stator is fixed through the upper support, a center hole for the rotor to penetrate is formed at the center of the stator, the rotor penetrates through the lower support, the stator and the upper support and is installed on the upper support and the lower support, and positioning devices are arranged on the lower support, the upper support and the stator. The motor structure is advantaged in that the positioning devices are arranged on the upper support, the lower supportand the stator, during installation, positioning columns are inserted into iron cores firstly, then the installation position can be accurately found, and the installation speed is greatly increased.

The invention relates to a combined foundation pile for civil engineering. The combined foundation pile for civil engineering aims to solve the problems that existing foundation piles are formed by integral casting, are large in size and are divided into an overground part and an underground part, when the underground part is poured, due to the fact that the specific pouring condition of the underground part cannot be observed, the engineering progress cannot be accurately observed, the extrusion integrity of the foundation pile cannot be accurately observed, cracks easily exist in poured foundation pile are solved. In the combined foundation pile for civil engineering, the foundation pile is divided into a lower combined foundation pile body and an upper combined foundation pile body, sothat the large-size foundation pile is divided into the small parts, the small parts are directly poured outside, the completed main body foundation pile is assembled when the foundation pile is used,and therefore when the foundation pile of each part is poured, the progress can be observed in real time, and the quality can be ensured, so that the problem of foundation pile cracks is avoided.

The invention discloses a filling device for radioactive waste treatment, which comprises a storage tank and a first conveying device, wherein the storage tank is placed on the top of the first conveying device; weighing devices are symmetrically arranged on two sides of the storage tank. The weighing device comprises a support table, an electronic scale, a lifting device and a fixing device. Theelectronic scale is fixed on the top of the support table. The lifting device is fixed on the top of the electronic scale; and the fixing device is fixed with the output end of the lifting device. Theoutput end of the fixing device is in contact with the storage tank, the top of the support table is fixed with a mounting frame, the top of the mounting frame is fixed with a feeding device, and thefeeding device comprises a material collecting tank, an extrusion device, a discharge pipe and a current limiting device, the outer side of the material collecting tank is fixed with the top of the mounting frame, and the filling device for radioactive waste treatment can automatically fill radioactive solid waste mechanically, thereby reducing the use of labor force and avoiding radiation of radioactive substances to workers.

The invention discloses a waterproof heat-conducting lithium battery pack case, which comprises an outer case and an outer case cover arranged at the upper end of the outer case, wherein an inner caseand a cold water tank are arranged one inner side of the outer case respectively, the bottom end of the inner case is communicated with the upper end of the cold water tank, the inner case and the cold water tank are welded through a stainless steel plate, one side of the cold water tank is communicated with a cold water storage container through a water duct on which a water pump is arranged, and an overflow pipe communicated with the cold water tank is arranged on one side of the cold water storage container. The waterproof heat-conducting lithium battery pack case is reasonable in design;a lithium battery module is arranged in the inner case and the inner case is arranged in the outer case, so that a better protection and waterproof effect on the lithium battery module is achieved; the lithium battery module is placed between a mounting plate and a pressing plate through tightening bolts, so that a clamping and fixing function is realized, the lithium battery module stored at thebottom of a vehicle is prevented from swinging in a running process, and normal work of the lithium battery module is further ensured.

The invention provides a crankshaft polishing support device with a cleaning function, which includes an upper support horizontal plate, a support column, a lower support horizontal plate, a moving wheel, a fixed through hole, a clampable crankshaft fixed card structure, and a filterable and adsorbable Debris cleaning cover structure, crankshaft grinding and dressing rod structure, cylinder push rod ejector structure that can fix the oil bottle, rear protective baffle, push handle, anti-slip sleeve, lift control switch, cleaning and vacuum control switch, first fixation base, lifting cylinder, moving chute, second fixed base and magnet strip. The waste residue collection box, fixed cannula, hand handle, connecting rod, file plate, stainless steel bent bar and cleaning bristles of the present invention are arranged to facilitate cleaning of the bent part of the crankshaft after polishing is completed, and use the waste residue collection box to clean Collect and maintain a good working environment, and use a file board to polish and trim inappropriate areas.

The invention discloses a chemical filtration device and a working method thereof. The chemical filtration device comprises a filtering flask body, a filtering funnel, a buffer flask, a vacuum pump and a fixing device, wherein a fixed area is formed on a bottom plate and used for forming a support for the lower part of the filtering flask body; the fixed area comprises a groove; an elastic annularbody is arranged in the groove; the bottom of the filtering flask body is placed in the elastic annular body; a rectangular frame is arranged at the outside of the elastic annular body; a through hole is formed in the rectangular frame; and a moving part is arranged in the through hole. When the filtering flask body is placed in the fixed area, the elastic annular body has a clamping and fixing effect on the filtering flask body, and can also have an elastic buffering effect on the filtering flask body; and in addition, the moving part can move to play an abutting effect on the elastic annular body, so the elastic annular body has a clamping and fixing effect on the flask body clamped and fixed inside.