45results about How to "Avoid unstable placement" patented technology

The invention provides a combined file cabinet, which consists of a cabinet foot support and more than two cabinet units, wherein the cabinet units are arranged adjacently; the cabinet foot support is at least provided with one cabinet unit; a nut type height adjusting foot is arranged on the bottom of the cabinet foot support; opposite outer walls of any two adjacent cabinet units are provided with rectangular lugs and rectangular grooves, and are embedded with each other through the rectangular lugs and the rectangular grooves; and magnets are arranged on adjacent inner walls of any two adjacent cabinet units, and are made of a NdFeB material. The combined file cabinet consisting of the plurality of cabinet units can be combined in various forms according to actual working requirements, and can prevent the dislocation of the cabinet units by embedding the rectangular lugs and the rectangular grooves mutually, so the combined file cabinet is convenient to transport and clean; and the height of the nut under the cabinet foot support can be adjusted, so that the problem of unstable placement of the file cabinet caused by uneven floor can be avoided.

The invention discloses a computer-host-case damping base body. The computer-host-case damping base body comprises a base body, a containing plate and a clamping plate. A host installing groove is formed in the middle of the upper end of the base body, spring grooves are formed in corners of the host installing groove, springs are arranged inside the spring grooves, and the upper ends of the springs are sleeved with damping caps; the two ends of sliding connection protrusions are connected inside sliding grooves in a sliding mode; longitudinal sliding grooves are medially formed in the side wall of the host installing groove, and transverse sliding grooves are formed in the left side of the side wall of the host installing groove; a first sliding connection plate is medially arranged on the side edge of the containing plate, and a T-shaped threaded rod is in threaded connection to the left side of the base body. The computer-host-case damping base body rotates the T-shaped threaded rod to allow the clamping plate to move rightwards for clamping a computer host case, and the computer host case is prevented from being unstably contained; when base body shakes, the computer host case presses the containing plate, and the good damping effect is achieved through the elasticity effect of the springs on the damping caps.

The invention discloses a sound insulation type glass bracket for production automobile parts. The sound insulation type glass bracket comprises a supporting plate, wherein a supporting groove is formed in the supporting plate; the groove bottom of the supporting groove is fixedly connected with a spring; the other end of the spring is fixedly connected with a supporting block; the supporting block is connected to the groove wall of the supporting groove in a sliding way; sound insulation glass is arranged in the supporting groove; the upper end of the sound insulation glass leans against theupper end of the supporting block; a plurality of arc-shaped sound reflex grooves are uniformly and equidistantly formed in one end of the supporting plate in a matrix way; a plurality of first passages are formed in the supporting plate in a vertical direction; the upper ends of the first passages penetrate through the upper end of the supporting plate; a plurality of rows of second passages areuniformly and equidistantly formed in positions, corresponding to the first passages, of one end of the supporting plate; inlet ends of the second passages in each row and the sound reflex grooves arearranged on the same end of the supporting plate; outlet ends of the second passages in each row are communicated with the side walls of the first passages. The sound insulation type glass bracket disclosed by the invention is simple in structure and convenient to operate, a sound insulation effect of the sound insulation type glass bracket is improved, and the phenomenon that the sound insulation glass is unstably placed can be prevented.

The invention relates to an air-drop type storage-transportation packaging box convenient to stack and a preparation method of the packaging box, belonging to the package and transportation fields. The packaging box comprises a box body and a box cover which are mutually buckled, wherein the box body and the box cover are prepared from the following raw materials in parts by weight through rotational molding: 50-70 parts of linear low density polyethylene, 50-70 parts of low density polyethylene, 40-80 parts of high density polyethylene, 10-30 parts of medium density metallocene polyethylene and 1-6 parts of a coupling agent; and rig grids are arrayed at the bottom of the box body or the top of the box body or the box cover in a matrix manner, the rig grids at the top of the box body or the box cover are mutually seamed and clamped with the rig grids at the bottom of the box body on an upper layer so as to form embedding and splicing type anti-dislocation stacking structure. The packaging box is produced from the polyethylene materials with different densities through mixing and rotational molding, and modularized rid grid structures are arranged at the top and the bottom of the packaging box, so that the strength, impact resistance and packaging efficiency of the packaging box are improved, and the mutual stable stacking of different specifications of packaging boxes is realized.

The invention discloses water and electricity installation auxiliary line drawing device. The water and electricity installation auxiliary line drawing device comprises a base, a height adjusting unit, a line drawing unit, adjusting units and an installation shell, wherein the installation shell is arranged in the middle of the top end of the base; a storage unit is arranged in a groove in the base; fixing grooves are formed in the left side and the right side of the base; installation units are arranged on the left side face and the right side face of the installation shell; the height adjusting unit comprises elastic plug pins, an inner guide column, a positioning hole, an outer guide column and a connecting plate; the bottom end of the outer guide column is matched with the groove in the top end of the installation shell; the top end of the outer guide column is in sliding connection with the bottom end of the inner guide column; the positioning hole is formed in the top end of thefront side face of the outer guide column; the elastic plug pins are arrayed on the front side face of the inner guide column and matched with the positioning hole; the connecting plate is arranged atthe top end of the inner guide column; and the adjusting units are arranged at the top ends of the left side face and the right side face of the inner guide column. The water and electricity installation auxiliary line drawing device is easy to use, convenient to adjust, high in practicability and high in accuracy.

The present invention provides an automatic constant temperature cookware utensil, which includes a utensil body and a utensil bottom. A constant temperature layer is provided on an outer surface of the utensil body and / or the utensil bottom. Compared with the prior art, an automatic constant temperature cookware utensil of this invention has a bottom with constant temperature, which has good safety performance, protects food nutrition from destroying, effectively restrains oil and smoke, and decreases PM2.5.

The invention discloses an attendance device convenient to disassemble, fold and store for efficient management. The device comprises a bottom plate, a first positioning plate is fixedly arranged at the bottom end of one side of the bottom plate, sliding rods are fixedly arranged at the two ends of the top of the first positioning plate, springs are inserted into ends of the outer walls of the twosliding rods in a penetrating mode, and positioning rings are fixedly arranged at the top ends of the two springs; The inner walls of the two positioning rings are respectively intersectingly connected with the middle positions of the outer walls of the two sliding rods. According to the attendance device disclosed by the invention, a pull plate is pulled, so that first fixed blocks respectivelyfixed on two sides of an attendance device body drive a positioning strip fixedly arranged on one side to be respectively separated from sides of two second fixed blocks fixed on two sides of a positioning frame, the attendance device body is fixed through a first fixing plate and is rotatably connected with two first connecting rods and two second connecting rods, so that attendance checking andcard punching at different heights and different angles are facilitated, the unstable placement of the attendance device is avoided, and the service life of the attendance device is prolonged.

The invention belongs to the technical field of machinery, and discloses an antiskid-type air compressor which comprises a base, a roller, a grip, an air storage tank, an inflation pump, a motor, an air delivery pipe, an air outlet valve, a leg control switch, a control panel and hydraulic legs, wherein the air storage tank is arranged on the base; one side of the top of the air storage tank is provided with the inflation pump; one side of the inflation pump is provided with the motor; the motor is connected with the inflation pump through transmission; the other side of the top of the air storage tank is provided with the air outlet valve; the air delivery pipe is connected between the air storage tank and inflation pump; the bottom of the base 1 is provided with the hydraulic legs; the middle part of the air storage tank is provided with the control panel; and the control panel is provided with the leg control switch. The antiskid-type air compressor can effectively prevent the condition of unstable placement caused by skid generated by vibration of the air compressor, and the air compressor can be stably placed by using the four hydraulic legs arranged on the bottom under multiple ground conditions, thereby widening the application range of the air compressor.

The invention relates to a flame-retardant and explosion-proof ammunition box, and belongs to the field of packaging of flammable and explosive materials. The flame-retardant and explosion-proof ammunition box comprises a sealing cavity defined by a box body and a box cover fastened on the box body, and the box body and the box cover both comprise a rotational moulding outer shell, a heat insulating filling layer, a heat insulating felt or plate layer and a metal foam explosion-proof inner shell from outside to inside; a containing cavity defined by the metal foam explosion-proof inner shell of the box body is internally provided with a vibration reduction mold shell matched with ammunition in shape and specification, the rotational moulding outer shells on the box body and the box cover form a stepped limit sealing structure of snap fastening by relying on matched protrusions and notches, the metal foam explosion-proof inner shells are surrounded by the heat insulating felt or plate layers, a heat insulating felt or plate on the box cover is lower than the corresponding metal foam explosion-proof inner shell, a heat insulating felt or plate on the box body is correspondingly higher than the corresponding metal foam explosion-proof inner shell, a double-layer dislocation fastening sealing structure is formed, and the heat insulating filling layers are heat preservation materials filling gaps between the rotational moulding outer shells and the heat insulating felt or plate layers. The packaging box has multiple protection functions of flame retardance, heat insulation, vibration and shock resistance and explosion protection.

The invention belongs to the technical field of sample storage, and particularly relates to a sample storage device for product quality inspection, which comprises a storage box body, and three vertically distributed storage assemblies are slidably connected in the storage box body; the multiple storage assemblies distributed up and down are slidably connected into the storage box body, the storage mechanisms capable of being unfolded and stored are arranged at the tops of the storage assemblies, and the storage mechanisms are bent and straightened under the moving action of the telescopic frame mechanisms, so that the storage mechanisms can be bent and straightened through mutual cooperation of placement plates and connecting shafts; a plurality of V-shaped containing spaces are formed and used for storing tubular or barreled samples, the barreled samples are effectively prevented from rolling on the top of the storage mechanism in the taking and containing process, the telescopic frame mechanism can be stretched, so that the storage mechanism is stretched and forms a plane state, and therefore the storage mechanism is used for containing conventional samples, and the storage efficiency is improved. And therefore, samples in various shapes can be stably placed on the device.

The invention discloses coating equipment for machining a carbon fiber automobile engine hood. The coating equipment comprises a coating box and a first threaded rod, wherein a filter frame is fixed on the right side of the bottom of a groove through first bolts; a support is fixed on the inner bottom of the coating box; the first threaded rod penetrates through the bottom of a moving frame to beconnected with a bearing plate, and the top of the moving frame is connected with supporting columns through compression springs; motors are arranged on the front side and the rear side in the top ofthe coating box; a storage plate is fixed at the bottom of a first sliding frame through third bolts; a water storage plate is fixed at the bottom of a second sliding frame through third bolts; and ahanging bracket is fixed at the inner top of the coating box. According to the coating equipment for machining the carbon fiber automobile engine hood, in the process of placing the carbon fiber automobile engine hood, the supporting columns can move up and down to different heights under the action of the compression springs and are tightly attached to the lower end face of the carbon fiber automobile engine hood, and unstable placement of the carbon fiber automobile engine hood caused by an uneven lower end face is prevented.

The invention discloses a movable office desk storage rack provided with a visor curtain. The storage rack comprises a storage rack main body with one end detachably connected to an office desk screen, and further comprises a supporting mechanism which is arranged at the side of the storage rack main body, wherein one end of the visor curtain is connected to the other end of the storage rack mainbody; a beam is connected to the other end of the visor curtain; a telescopic mechanism is arranged in the visor curtain; one end of the telescopic mechanism is hinged with the storage rack main bodyand the other end is hinged with the beam; the supporting mechanism comprises a supporting rod and a supporting shaft with one end perpendicularly fixed to the side of the storage rack main body; thesupporting rod is additionally provided with an L-shaped hinge hole; the hinge hole comprises a long round hole and a short round hole; and one end of the long round hole communicates with one end ofthe short round hole. The movable office desk storage rack provided with the visor curtain can move position to shelter sunlight as required; and moreover, various articles can be placed.

The invention discloses an experimental lifting platform. The experimental lifting platform comprises a base, an elevator and a placing platform, wherein the base is used for supporting the elevator and the placing platform; the elevator is of a telescopic structure, and is connected between the base and the placing platform to adjust the height of the placing platform; and the upper surface of the placing platform is provided with at least one concave surface. The experimental lifting platform disclosed by the invention can prevent instruments from being placed unsteadily, and further prevent the instruments from toppling over or being broken, so that the cost is reduced, and the laboratory safety is improved.

The invention provides a fitness sports equipment placing rack, and belongs to the field of placing racks. The fitness sports equipment placing rack includes triangular brackets and clamping strips, wherein clamping grooves are fixedly connected to the upper parts of the triangular brackets; damping springs A are fixedly connected to the interior of the clamping grooves; inclined rods are fixedlyconnected to the inner sides of the triangular brackets; screws are movably connected to the upper parts of the clamping strips; the two ends of the clamping strips are fixedly connected with dampingsprings B; and the left sides of the triangular brackets are fixedly connected with spring buttons. Dumbbells can be placed on the placing rack through the pair of L-shaped clamping strips arranged inthe middle of the placing rack, and the dumbbells can be prevented from rolling and being placed unstably; and meanwhile, magnet pieces are additionally arranged on the L-shaped clamping strips to attract and assist in fixing the dumbbells, and at the same time the damping springs are additionally arranged below the magnet pieces, so that the situation that the placing frame is damaged due to toolarge gravity is avoided, and the triangular support is high in stability, and the placing rack is prevented from being knocked down, and various fitness equipment can be placed, and the utilizationrate of the placing frame is increased.

The invention discloses a gearbox overturning and transplanting mechanism. Push rod, shock-absorbing rod, flip inner frame, gearbox, chuck, chuck controller, flip shaft, flip outer frame, electric control box is installed on the assembly board, junction box is set on the motor, lifting electric pusher The rod is connected to the assembly plate through the lifting assembly seat. The beneficial effect of the present invention is that the equipment can be turned over, transported and shifted on the track by setting the turning mechanism on the belt travel motor and the lifting electric push rod, preventing the turning over from causing placement Unstable placement caused by different surfaces ensures the safety of items; and the equipment adopts a combination of flip push rod, flip inner frame and flip outer frame, which makes the flipping of the device easier, ensures the working efficiency of the equipment, and is easy to use.

The invention discloses a steel ingot clamping device, and relates to the field of steel ingot equipment. The steel ingot clamping device comprises a rotating rod and a pin shaft, wherein the two endsof the pin shaft are rotationally connected to the middle part of a clamp rod; the outer side of the clamp rod is fixedly connected with a motor support frame; the middle position of the motor support frame is fixedly connected with the motor; one end of the rotating rod is connected with a motor through a shaft coupler; the other end of the rotating rod passes through the clamp rod to be connected with a rotating ball; the other end of a clamp disc rod is fixedly connected with a clamp disc. By using the steel ingot clamping device provided by the invention, during the steel ingot clamping,the rotating ball rolls in the rotating rod, after the steel ingot is clamped, the clamp disc is always in a whole area clamping state; the condition that only the partial clamp disc clamps the steelingot during the clamp since the opening angle of the clamp rod to too big can be avoided, so that the clamping process is stable; when the steel ingot is clamped to a corresponding position, a certain angle is rotated through the motor; the surface shape of the steel ingot facing the placing region is regulated; the placing instability due to the sharp shape of the surface shape of the steel ingot facing the placing region can be avoided.

The invention discloses a liquid crystal and LED combined double-face displayer which comprises a liquid crystal display mechanism, a LED screen display mechanism and a displayer outside protection shell. The liquid crystal display mechanism comprises a liquid crystal screen outer frame, a liquid crystal screen lateral side rubber padding strip, a liquid crystal screen lateral side frame, a liquidcrystal screen backlight plate, a liquid crystal screen bottom frame and a liquid crystal screen matched circuit board, a liquid crystal screen body is arranged in the liquid crystal screen lateral side frame and connected with the same through a plurality of screws, the liquid crystal screen lateral side rubber padding strip is clamped between the liquid crystal screen body and the liquid crystal screen lateral side frame, the liquid crystal screen outer frame is pasted on the liquid crystal screen lateral side frame on one side of the liquid crystal screen body, and the liquid crystal screen backlight plate is pasted on one side face, away from the liquid crystal screen outer frame, of the liquid crystal screen body. The double-face displayer is novel in structure, convenient to use, novel and practical.

The invention discloses an automatic rubber cap pressing machine. The pressing machine comprises a rubber cap seat, an electric heating tube seat, a lifting mechanism, a clamping mechanism, a rubber cap pressing mechanism, a height adjusting mechanism and a rack, wherein the rubber cap seat is used for placing a rubber cap, the lifting mechanism is connected with the electric heating tube seat, the electric heating tube seat is used for placing an electric heating tube, the clamping mechanism is used for clamping an electric heating tube placed on the electric heating tube seat, the rubber cap pressing mechanism is used for pressing a rubber cap placed on the rubber cap seat on the electric heating tube placed on the electric heating tube seat, and the height adjusting mechanism is connected with the lifting mechanism. The automatic rubber cap pressing machine is advantaged in that the clamping mechanism is arranged, when the rubber cap is pressed on the electric heating tube, the electric heating tube can be reliably fixed, so a hole in the rubber cap is accurately aligned with a lead-out rod, pressing reliability of the rubber cap is ensured, and the height of the lifting mechanism can be adjusted by arranging the height adjusting mechanism, so the height of the electric heating tube seat is adjusted; therefore, machining of the electric heating pipes with different lengths is adapted.

The invention relates to an air-drop type storage-transportation packaging box convenient to stack and a preparation method of the packaging box, belonging to the package and transportation fields. The packaging box comprises a box body and a box cover which are mutually buckled, wherein the box body and the box cover are prepared from the following raw materials in parts by weight through rotational molding: 50-70 parts of linear low density polyethylene, 50-70 parts of low density polyethylene, 40-80 parts of high density polyethylene, 10-30 parts of medium density metallocene polyethylene and 1-6 parts of a coupling agent; and rig grids are arrayed at the bottom of the box body or the top of the box body or the box cover in a matrix manner, the rig grids at the top of the box body or the box cover are mutually seamed and clamped with the rig grids at the bottom of the box body on an upper layer so as to form embedding and splicing type anti-dislocation stacking structure. The packaging box is produced from the polyethylene materials with different densities through mixing and rotational molding, and modularized rid grid structures are arranged at the top and the bottom of the packaging box, so that the strength, impact resistance and packaging efficiency of the packaging box are improved, and the mutual stable stacking of different specifications of packaging boxes is realized.

The invention relates to the technical field of construction warning protection, in particular to a constructional engineering construction warning protection device which comprises a base, a protective warning board and a supporting mechanism. The supporting mechanism can be connected with the ground in a locking mode, the problem that pedestrians or vehicles cannot know the front construction condition easily due to the fact that the warning protection device is blown down when construction is conducted in severe weather is solved, the supporting mechanism can be adjusted according to the ground condition of a warning area where a protection warning board needs to be placed, and the safety of the warning board is improved. The protective warning board can be stably placed on the ground, the problem that the protective warning board is not stably placed due to the fact that the ground is uneven is solved, meanwhile, when the protective warning board needs to be hung, the supporting mechanism can be folded, then the base is hung in a construction area of constructional engineering, and therefore the use range of the warning protection device is expanded.

The invention discloses an inner cabin structure and an underwater vehicle. The inner cabin structure comprises at least two independent cabins and a hard frame. The hard frame comprises a profile bottom frame, a profile top frame and a plurality of first connecting profiles; the two ends of each first connecting profile are fixedly connected with the profile bottom frame and the profile top frame correspondingly; the at least two independent cabins are detachably mounted in the hard frame; and a sealed pressure-resistant cavity is arranged in the independent cabin. According to the invention, internal load equipment of the underwater vehicle can be divided according to needs, and then the internal load equipment is respectively integrated and installed in the independent cabins, so that integration and overall modularization processing of the internal load equipment are facilitated, and the interior of the underwater vehicle is optimized. And the at least two independent cabins are intensively mounted and fixed through the hard frame, so that the whole cabin is convenient to detach and hoist, the maintenance is more convenient, and the whole structure is more compact.

The invention relates to the field of mechanical part detection equipment, and discloses a mechanical part wear test device with a locking structure, which comprises an operation table, supporting legs are fixedly mounted at four corners of the bottom of the operation table, and a lifting table is fixedly mounted on one side of the top of the operation table; and a hydraulic machine is fixedly installed on one side of the top of the operation table, connecting frames are arranged at the two ends of the hydraulic machine, and the connecting frames are movably connected with the operation table through connecting holes and connecting bolts. A dust collection fan is fixedly installed at the top of one side of a lifting arm, the dust collection fan is connected with a pipeline and a dust collection head, during a wear test, generated metal chippings can be sucked by the dust collection head and sucked into a collection box of the dust collection fan through the pipeline, during the wear test, the metal chippings can be cleaned in time, cleanness and tidiness of the workbench are guaranteed, and meanwhile the working environment is safer.

The invention discloses a centrifugal machine safety protection device. The centrifugal machine safety protection device comprises a main body, and a safety protection cover is arranged on the outer surface of the lower end of the main body. According to the centrifugal machine safety protection device, a levelness detection mechanism and a cleaning mechanism are arranged, before a centrifugal machine is used, a bubble level can be rapidly installed on one side of a protection device through an installation block, whether a level bubble in the bubble level is in the middle or not is observed, if the level bubble is not in the middle, the whole position of the centrifugal machine can be adjusted until the level bubble is located in the middle, the phenomenon that the centrifugal machine is placed unstably and accordingly the centrifugal machine rolls over and moves in the working vibration process is prevented, the arranged cleaning mechanism can install a nylon brush at the lower end of the protection device when a transmission belt works so as to clean the surface of the transmission belt in the device, excessive dust on the surface of the transmission belt is prevented from affecting transmission of the transmission belt, and better use prospects are brought.

The invention discloses wafer film coating equipment which structurally comprises a storage box, buttons, a displayer and a film conveying device. The buttons are installed on the left side of the storage box, the displayer is embedded in the front side of the storage box, and the two ends of the film conveying device are connected to the back face of the storage box and the top of the storage box through welding correspondingly. The wafer film coating equipment has the beneficial effects that a wafer is placed on a supporting block, clamping plates clamp the wafer under the thrust of supporting springs, the wafer is prevented from falling off during film coating, meanwhile, moving rods are extruded by the clamping plates, so that jacking blocks stretch outwards till pressing plates are tightly attached to the surfaces of the clamping plates, and the situation that the clamping plates shake when clamping the wafer, and consequently film coating is uneven is avoided; and the outer surface of the wafer extrudes the clamping plates outwards, wafers of different sizes can be clamped and coated under the tensile force of tension springs, when the liquid film coating on the surface of the wafer is leveled by a scraping plate, the redundant liquid film coating can be discharged into a storage cavity along guide pipes to be stored, and the situation that the wafer is placed unstably due to the fact that the liquid film coating is accumulated in empty grooves is avoided.

The invention relates to the technical field of massage cushions, in particular to a hip-beautifying massage cushion with magnetic particles, which comprises a velvet sleeve, two end parts of the velvet sleeve are wrapped with first memory sponges, the two first memory sponges are internally provided with accommodating cavities, the accommodating cavities are internally provided with supporting assemblies, a storage battery is installed at the position, located on one side of the containing cavity, in each containing cavity, the upper middle and the lower middle of the velvet sleeve are sunken to form grooves, magnetic particles are evenly arranged at the tops of the grooves, exhaust holes are formed in the positions, corresponding to the middles of the grooves, in the velvet sleeve in the vertical direction, and pockets are formed in the positions, located on the two sides of the exhaust holes, of the upper surface and lower surface of the velvet sleeve; and medicine bags are mounted in the pockets. The hip beautifying massage cushion is scientific and reasonable in structural design and safe and convenient to use, magnetic therapy treatment can be conducted while the hip is massaged, the whole structure is resistant to pressure, recovery can be conducted after the cushion is pressed and deformed, and the body health of a user can be promoted in the using process.

The invention relates to a polishing chamfering integrated machine for machining magnet materials. The polishing chamfering integrated machine for machining the magnet materials is characterized in that the polishing chamfering integrated machine is composed of a feeding mechanism, conveyer lines, a grinding mechanism and a chamfering mechanism; the grinding mechanism and the chamfering mechanismare sequentially arranged on the rear part of the feeding mechanism; and the conveyer lines are correspondingly arranged between the feeding mechanism and the grinding mechanism, between the grindingmechanism and the chamfering mechanism, and on the rear part of the chamfering machine. The polishing chamfering integrated machine for machining the magnet materials is scientific and reasonable in design and has the advantages that repeated feeding is avoided, the labor is saved, the machining efficiency is improved, the automation degree is high, and the realization is easy. The polishing chamfering integrated machine for machining the magnet materials is the polishing chamfering integrated machine with a higher innovativeness for machining the magnet materials.

The invention discloses a mortar tank for a sand blasting derusting machine, and relates to the field of derusting devices. The mortar tank for the sand blasting derusting machine comprises a mortar tank body, a mortar outlet is formed in the bottom of the mortar tank body, a handle is fixedly connected to the side wall of the mortar tank body, a supporting frame is fixedly installed at the bottom of the mortar tank body, and the supporting frame comprises first supporting legs and second supporting legs. Sliding square pipes are slidably connected to the side walls of the two sets of second supporting legs, locking assemblies are arranged on the sliding square pipes, shaft sleeves are fixedly connected to the side walls of the two sets of sliding square pipes, wheel shafts are rotatably connected in the two sets of shaft sleeves, and the two ends of the wheel shafts penetrate through the axes of the two sets of shaft sleeves and are rotatably connected with rolling wheels. According to the mortar tank for the sand blasting derusting machine, the height of the rolling wheels at the bottom of the mortar tank body can be adjusted, the using habits of different users are met, and during derusting, the height of the rolling wheels can be adjusted upwards to guarantee the stability of the mortar tank body in the derusting process.

The invention discloses a trolley for conveying power supply equipment. The trolley structurally comprises a storage plate, a protection device, a backup plate, moving wheels and a push-pull rod. The trolley has the beneficial effects that through the arranged vibration protection structure, when the trolley is pushed in a toppling mode, the gravity center of the trolley during toppling can be reinforced, the phenomenon of moving and slipping is avoided, meanwhile, when pushing is stopped and the trolley is horizontally placed, the vibration phenomenon occurring in the process can be reduced, the phenomenon that power supply equipment is disengaged from the trolley is avoided; through cooperation of a cleaning mechanism and a vibration protection structure, the push rod can drive a movable push plate to jack upwards in cooperation with gravity and force of a spring in the process of stopping moving, so that air in an air bag strip is extruded outwards, the placement position of the trolley is dustless, a superior placement environment is created for the trolley, and the phenomena of unstable placement and the like caused by foreign matters in a placement environment are avoided.