32results about How to "Guarantee work efficiency" patented technology

The utility model relates to the technical field of seeding machines, and discloses a novel film mulching seeding machine which comprises a machine frame, the front side of the bottom of the machine frame is fixedly connected with a speed-changing gear box, the output end of the front side of the speed-changing gear box is fixedly connected with a stubble cleaning roller, and the output end of the rear side of the speed-changing gear box is fixedly connected with a soil throwing wheel. Land wheels are rotationally connected to the two sides of the bottom of the machine frame, a film mulching assembly is arranged on the rear side of the machine frame and comprises two first supports, the two first supports penetrate through and are rotationally connected with the two sides of the top of the rear side of the machine frame, and the other ends of the first supports are rotationally connected with film mulching rollers. According to the stubble cleaning device, the gear box drives the stubble cleaning roller to rotate, the stubble cleaning roller throws soil backwards to the soil throwing wheel after loosening the soil, the soil throwing wheel rotates reversely to throw the soil from the stubble cleaning roller backwards at a high speed, the soil flows out of the soil flowing groove and falls on the film edge of a mulching film to press the mulching film, a soil shoveling chain is omitted, the device is prevented from being stuck by stones, and the working efficiency is guaranteed.

This utility model discloses a gas pressure regulating structure, relating to the field of gas pressure regulation technology. The utility model includes a regulating mechanism for controlling the gas intake volume and flow rate. The regulating mechanism includes a cylinder and a worm gear housing. The cylinder is hollow inside, and a housing is fitted onto its outer wall. Square boxes are installed at the center of both the front and back of the housing. This utility model uses an installation assembly: pressing a button downwards causes a cam at its bottom to rotate. When the cam rotates, it causes a hook to deflect, pulling the hook out of the rectangular hole of the insert rod. Then, moving the square cover upwards pulls out the insert rod. This allows for control of the rotation of the cam and hook via a button. When the lock is released, pulling the square cover upwards removes the cylinder. The disassembly process is relatively simple, ensuring efficient maintenance of the pressure regulator.

This invention relates to the technical field of infrastructure construction, and more particularly to a crushing and screening device for infrastructure construction. The device includes a crushing component, a shaking component disposed at the bottom of the crushing component, and a dust removal component disposed on one side of the shaking component. The crushing component includes a drive shaft, a first crushing roller, and a second crushing roller. The drive shaft includes teeth and a drive gear, which meshes with one side of the first and second crushing rollers. The first and second crushing rollers are respectively provided with a first driven gear and a second driven gear. The shaking component includes a transmission component, a linkage component, and a screening component. The transmission component is connected to the drive shaft, the linkage component is disposed on one side of the transmission component, and the screening component is disposed on one side of the linkage component. The shaking component achieves periodic shaking of the material, thereby increasing screening efficiency. Furthermore, the dust removal component operates synchronously with the shaking component; dust is removed synchronously with each shaking, effectively ensuring work efficiency and saving water resources.

The application discloses an open-rotation flexible control method and system for engineering machinery, which realizes different judgments on the rotation state by setting a pilot valve current-operation time curve, and formulates different curves suitable for valve current changes according to different rotation states, controls the rotation in the running processes of starting, accelerating, stable running, decelerating, stopping and the like and the different operations of the operation hand on the rotation, such as micro-adjustment, acceleration stopping, high-speed stopping, micro-adjustment reverse, acceleration stopping reverse and high-speed stopping reverse, guarantees the flexibility of the rotation control, avoids the occurrence of the phenomena of jamming, vibration and air suction, makes the rotation action stable and flexible, and makes the driver feel comfortable.

The utility model discloses a low bath ratio high temperature high pressure dyeing machine relates to dyeing machine technical field, the utility model discloses a dyeing cylinder body and set up at the bottom end of dyeing cylinder body's chassis and set up between the both sides of dyeing cylinder body top cloth guide pipe still include: heat shield, set up at the outside of dyeing cylinder body, the utility model discloses through heat shield blocks the heat and spreads outward through cylinder body outer wall, avoids a large amount of heat energy waste, and still can avoid workshop temperature rise, guarantees the work efficiency and safety of staff, and in through heat exchange coil absorbs the heat that cylinder spreads outward and is blocked by heat shield, through heat conduction filler can ensure that heat shield and dyeing cylinder body between heat distribution is even, avoids the position temperature difference of being close to and being far from heat exchange coil too big influence structural strength to further safe and effective utilization dyeing machine work when the heat that cylinder loses, improves energy utilization, makes equipment run more environmental protection.

The application relates to a coupler hydraulic control method and system and a terminal, and relates to the field of couplers, and comprises the following steps: acquiring an internal pressure value of a coupler; when the internal pressure value is lower than a preset reference pressure value, calculating a difference value between the internal pressure value and the reference pressure value as a pressure difference value; when the pressure difference value exceeds a preset reference difference value, acquiring a pressure change duration; matching a pressure abnormality reason from a preset pressure database according to the pressure change duration; when the pressure abnormality reason is a preset liquid leakage abnormality, carrying out leakage point detection by a preset leakage point detection method to obtain a leakage area; and based on the leakage area, controlling a preset repairing device to carry out leakage point repairing by a preset repairing method. The application has the effect of improving repairing efficiency.

The utility model discloses a kind of fly knives of chipper for being convenient to install belong to chipper technical field, including handle, the side fixed connection of handle has first plug-in block, the normal surface of first plug-in block is equipped with hole slot, the inside plug-in of hole slot has connecting assembly;Connecting assembly includes plug-in rod, one end of plug-in rod is inserted in the inside of hole slot, the other end of plug-in rod is fixedly connected with second plug-in block, the normal surface of second plug-in block is fixedly connected with first spring, the side fixed connection of first spring has stress plate, the upper and lower two sides of second plug-in block are fixedly connected with driving frame;Through the connecting assembly of being set, first spring can push second plug-in block, i. e. it can push plug-in rod, by the push of multiple first springs, the stress balance of each place can be guaranteed, second plug-in block and first plug-in block can be connected by plug-in rod, guarantee the stability of connection, so that the blade installation position positioning is accurate, guarantee the stability of installation.

The construction method comprises the following steps that when a foundation pit is excavated, temporary drainage ditches and water-collecting wells are arranged, the drainage ditches are arranged on the periphery of the bottom of the foundation pit, one water-collecting well is arranged at each corner of the drainage ditches, and drainage pumps are arranged in the water-collecting wells to pump and drain water; after excavation of the slope of the foundation pit is completed, an intercepting ditch and a top drainage well are arranged at the top of the foundation pit; the drainage ditches and the water collecting wells are staggered in the width direction; auxiliary drainage wells are excavated at the corners of the drainage ditches, auxiliary drainage pumps are arranged in the auxiliary drainage wells, and the auxiliary drainage wells are communicated with the parts, outside the distribution range of the water collecting wells, of the drainage ditches; continuously pumping water during the construction period of the inner side of the foundation pit until the dead weight of the building is greater than the buoyancy generated by underground water. The problem that existing foundation pit surface drainage precipitation is insufficient in drainage capacity when coping with working conditions such as heavy rainfall can be solved.

The utility model belongs to the field of magnetic suspension refrigerant compressor, concretely relates to a kind of cooling structure of magnetic suspension refrigerant compressor, including compressor shell, stator core and motor rotor, and refrigerant inlet and refrigerant outlet are equipped on compressor shell;Air gap is formed between stator core and motor rotor;Spiral groove is processed on the outer circle surface of motor rotor and located in air gap region, and the outer circle of stator core is sleeved with cooling jacket, and the outer circle of cooling jacket is processed with spiral flow channel, and one side of cooling jacket is equipped with medium guide gap;After refrigerant enters from refrigerant inlet, it flows through air gap and the spiral flow channel of cooling jacket in turn, and finally flows out from refrigerant outlet, forming double cooling path to the inside and outside of stator core;The utility model effectively solves the problem that magnetic suspension motor faces narrow air gap, large refrigerant flow resistance, poor cooling, and complex cooling system and high leakage risk caused by multi-path cooling scheme.

This disclosure provides a cleaning module and cleaning equipment, relating to the field of cleaning equipment technology. The cleaning module includes a module support, a drive motor, and a heat sink. The drive motor is mounted on the module support and drives the target object of the cleaning module; the heat sink is located on the outer periphery of the drive motor, and liquid flows through the heat sink; wherein, with the direction perpendicular to the surface to be cleaned when the cleaning module is in working state as the height direction of the cleaning module, the upper side of the drive motor has a clearance area, and the heat sink is positioned to avoid the clearance area. This disclosure ensures effective heat dissipation for the drive motor while avoiding increasing the height of the cleaning equipment, ensuring the convenience and accessibility of the cleaning equipment, and facilitating the cleaning equipment to clean low areas, such as under sofas and beds.

The utility model relates to the technical field of textile processing, and provides a bundling tool which comprises a clamping assembly, and the clamping assembly is provided with a clamping gap used for clamping a plurality of tows. The two ends of the clamping assembly are respectively an open end for each tow to enter the clamping gap and a closed end for preventing the tows in the clamping gap from being separated from the clamping assembly. The bundling device has the beneficial effect of reducing the bundling time.

This utility model relates to a hose conveying device for heat exchanger pipeline inspection, belonging to the field of pipeline inspection technology. The hose conveying device for heat exchanger pipeline inspection includes: two bonding plates, with two connecting rods fixedly connected between the two bonding plates, the connecting rods being staggered with the bonding plates; and an inspection conveying mechanism installed on one side of the bonding plates. The inspection conveying mechanism includes a conveying component installed on one side of the two bonding plates, with a receiving component below the conveying component, one end of which is connected to a servo motor. A transmission belt drives a first pulley to rotate, which in turn drives a lower rotating rod to rotate. A rubber ring causes the two rotating rods to rotate synchronously but in opposite directions, assisting in moving the pipe body, improving the operator's convenience, ensuring work efficiency, and reducing the operator's labor intensity.

The utility model discloses a measuring umbrella stand for a surface displacement observation pillar, which comprises a mounting nut fixedly connected with the observation pillar, a transverse support rod in threaded connection with the mounting nut, a vertical support rod detachably connected with the transverse support rod, and an umbrella rod fixing clamp mounted at the upper end of the vertical support rod, the umbrella rod fixing clamp comprises a first side clamp, a second side clamp and a fastener, one end of the first side clamp is hinged to one end of the second side clamp through the vertical supporting rod, and the other end of the first side clamp is connected with the other end of the second side clamp in a fastened mode through the fastener. The surface displacement observation pillar umbrella supporting device is simple in structure, light in weight, flexible to disassemble and assemble, convenient to use and capable of carrying out umbrella supporting operation on a surface displacement observation pillar during field measurement, the labor intensity of measurement personnel is relieved, and the working efficiency is improved.

According to the cable seamless welding method provided by the invention, the two cables can be seamlessly connected in a mode of being integrally welded with the original cable body, the current-carrying performance and the strength of a connecting joint which is manufactured by the cable seamless welding method and is used for connecting the two cables are consistent with those of the cable body, and the cable seamless welding method is high in reliability. And the cable seamless welding method reduces the experience dependence on operators, and improves the consistency and reliability of cable connection work.

The utility model relates to the technical field of anaerobic towers, and discloses an anaerobic tower capable of preventing sludge calcification, which comprises a base, an anaerobic tower body is mounted on the surface of the base, a stirring structure is arranged on the inner wall of the anaerobic tower body, the stirring structure comprises a support plate, the support plate is fixedly connected with the inner wall of the anaerobic tower body, and the support plate is fixedly connected with the inner wall of the anaerobic tower body. A motor is fixedly connected to the surface of the supporting plate, a driving rod is fixedly connected to the output end of the motor, a plurality of stirring rods A are fixedly connected to the surface of the driving rod, and a bevel gear A is fixedly connected to the end, away from the motor, of the driving rod. According to the anaerobic tower, wastewater and sludge in the anaerobic tower are fully mixed, nutrient substances, acid-base substances and the like are uniformly distributed, and the situation that high-concentration substances beneficial to sludge calcification locally aggregate is effectively avoided, so that the purpose of preventing sludge calcification is achieved, and the treatment effect of the anaerobic tower on high-concentration organic wastewater is improved.

A torque prediction method and apparatus belong to the field of vehicle control. The method includes: acquiring a first heat margin and a heat margin sequence corresponding to a first motor, wherein the first heat margin is the heat generated by the first motor as its temperature rises from a first temperature to a preset temperature, the first temperature is the temperature of the first motor at a first moment, and the heat margin sequence includes multiple second heat margins, each corresponding to a multiple torque value, each second heat margin being determined based on the heat generated and dissipated by the first motor from the first moment to the second moment during operation at the corresponding torque value; determining a target torque value corresponding to the second moment based on the first heat margin and the heat margin sequence, wherein the multiple torque values ​​include the target torque value, and the target torque value is used to control the torque of the first motor at the second moment. This application can ensure the motor's cooling effect while maintaining its operating efficiency.

The utility model relates to the field of vortex air pump, and disclose a vortex air pump convenient to assemble, including vortex air pump, air inlet pipe, air outlet pipe and filter, vortex air pump is fixedly installed with air inlet pipe and air outlet pipe, and the air inlet pipe air inlet one end is installed with filter, the air inlet pipe cylinder surface is equipped with the anti -fouling structure near air inlet one end, and the air inlet pipe is equipped with the assembly structure away from vortex air pump one end, and the assembly structure is installed filter away from air inlet pipe one end, adopts the thread connection mode of outer thread pipe and inner thread pipe, and cooperates sealing ring and sealing rubber, greatly shortens the assembly time, reduced the manpower cost, strengthened the leakproofness of connection simultaneously, guarantee the working efficiency and filter effect of air pump, through the anti -fouling structure of fixed ring, rubber boss, jack, dust cover, plug rod, flexible plastic rod, limit rod and fan -shaped rubber sheet etc.

The utility model discloses a hot stamping device for decorating metal foil on the surface of a card, which belongs to the technical field of card manufacturing and comprises a hot stamping frame, an expansion piece is arranged in the hot stamping frame, a pressing hot plate is fixedly connected below the expansion piece, a mounting plate is fixedly connected in the hot stamping frame, a clamp is clamped in the mounting plate, and the pressing hot plate is fixedly connected with the mounting plate. A protection structure is arranged on the mounting plate, a clamping structure is arranged in the mounting plate, one side of the mounting plate is in sliding connection with a first limiting block, and the other side of the mounting plate is in sliding connection with a second limiting block. According to the hot stamping equipment, the clamping structure and the second limiting block are arranged, the first toothed plate, the second toothed plate and the gear are matched, so that the clamp and the mounting plate can be rapidly assembled, and when the clamp is damaged, the clamp can be replaced or maintained in time; and the equipment can normally operate after the clamp is replaced in the maintenance process, so that the working efficiency of the hot stamping equipment is guaranteed.

The application discloses a control method of a charging circuit, a control device of the charging circuit and electronic equipment. The method comprises the following steps: obtaining a request value and a current value of a target electrical parameter of the charging circuit; and performing phase shift control on a phase shift switching sub-circuit according to the request value and the current value, so that the target electrical parameter of the charging circuit changes from the current value to the request value, and the power transmission direction of the charging circuit is smoothly switched to one of a forward direction and a reverse direction according to the change of the request value or the change of a load of the charging circuit. Thus, the application can realize the smooth switching of forward and reverse power transmission without adding additional hardware circuits, effectively reduces the system hardware cost and the software control complexity, avoids the power impact and control interruption during the forward and reverse switching, and further ensures that the power transmission direction switching will not cause power mutation, so that the running stability, control continuity and working efficiency of the charging system can be guaranteed.

The utility model discloses a non-coal mine safety fan which comprises a fan body, a mounting cylinder is arranged on the outer side of the fan body, clamping rods are fixedly connected to the two sides of the mounting cylinder, clamping sleeves are arranged on the outer sides of the clamping rods in a sleeving mode, locking sleeves are arranged on the outer sides of the clamping sleeves, a plurality of locking grooves are formed in the outer sides of the clamping sleeves, and releasing sleeves are arranged on the outer sides of the clamping sleeves. A locking frame is arranged on one side of the release sleeve, a locking rod is arranged in the locking frame, a sliding groove is formed in the clamping sleeve, a clamping block is arranged on the outer side of the clamping rod, a moving groove is formed in the outer side of the clamping rod, a movable groove is connected to one end of the moving groove, a positioning groove is connected to the other end of the movable groove, a release groove is formed in the inner side of the release sleeve, and a clamping groove is formed in the inner side of the clamping sleeve. According to the fan protection device, the safety protection of the fan is realized, the mounting stability of the protection plate is ensured while the protection plate is conveniently disassembled and assembled, and the stable use of equipment is ensured.

This invention discloses a method for hoisting and installing steel structure modules, including: modeling the steel structure module; confirming the center of gravity of the steel structure module based on the model; using the top surface of the steel structure module in its vertical position as the hoisting surface, identifying multiple main hoisting points on the hoisting surface based on the center of gravity position; selecting multiple auxiliary hoisting points on the bottom longitudinal beams of the steel structure module in its vertical state; performing on-site assembly; reconfirming the center of gravity position and main hoisting points when the deviation between the assembled frame and the steel structure module exceeds a set value; installing lifting tools at multiple main hoisting points and connecting them to a first crane via lifting ropes; installing lifting tools at multiple auxiliary hoisting points and connecting them to a second crane via lifting ropes; horizontally hoisting the assembled frame, rotating it 90° to bring it into an vertical hoisting state, and then installing the assembled frame onto the target object. This invention reduces high-altitude patching work, reduces the number of modular unit divisions, and accelerates the overall frame installation speed.

This utility model discloses a dynamic sensing and monitoring device for power transmission lines, comprising a base, a spring clip, and a fixing mechanism. The spring clip is disposed on the top of the base. The fixing mechanism is disposed on the top of the base via the spring clip. The spring clip generates clamping force through elastic deformation, so that the fixing mechanism and the base together form a clamping and accommodating cavity. Electromagnets are embedded at the four corners of the top of the base. The contact surface between the electromagnets and the base is treated to resist electromagnetic interference. The spring clip includes a mounting shaft and a coil spring. The mounting shaft is disposed on the top of the base. The coil spring is disposed at the end of the outer circumferential wall of the mounting shaft. This dynamic sensing and monitoring device for power transmission lines clamps the cable through elastic clamping, enabling rapid clamping and monitoring of the cable, thus ensuring work efficiency.

The utility model discloses a screening device for high-performance silicon-based heat conduction material production, which relates to the technical field of high-performance silicon-based heat conduction material production, and particularly comprises a device shell, a screening belt for screening high-performance silicon-based heat conduction material production filler is arranged in an inner cavity of the device shell along the vertical direction, and the screening belt is arranged in the inner cavity of the device shell. A uniform thickness scraping plate is arranged above the feeding end of the screening belt, a material gathering hopper is arranged below the discharging end of the screening belt, and a material guiding pipe is arranged at the discharging end of the material gathering hopper. According to the screening device for production of the high-performance silicon-based heat conduction material, the impact force of filler on the screening belt is reduced through the buffer blocks and the screen plates, abrasion of the screening belt is reduced, and the service life of the screening belt is prolonged; and the uniform-thickness scraper is used for scraping the filler on the screening belt, so that the thickness of the filler on the screening belt is guaranteed, the screening efficiency is prevented from being influenced by over-thick local filler on the screening belt, and the working efficiency of the device is guaranteed.

The application provides a tool for shaping the outer rubber of a cylinder, which has high cutting efficiency, good quality and high safety. The technical scheme is as follows: the tool comprises an edge removing device and a punching device; the edge removing device comprises a cutting structure, a servo structure and a control structure, which are all installed on a first bottom plate, and the control structure is electrically connected with the servo structure; the punching device comprises a cylinder positioning seat and a punching structure; characterized in that: the cutting structure comprises a first mounting plate, the first mounting plate is fixed with a cutter shaft and a push rod, a cutting knife is sleeved on the cutter shaft, the pushing direction of the push rod is consistent with the direction of the cutting edge of the cutting knife, the cutting edges of the cutting knife are distributed along the radial direction of the cylinder and are respectively located at the positions of the cutting edges of the outer rubber of the cylinder, and the servo structure drives the cylinder to rotate; the punching structure comprises a hole pressing cylinder, a hole pressing cutter is installed at the push rod end of the hole pressing cylinder, and the hole pressing cutter is aligned with the air hole of the cylinder to be machined.

The utility model provides a wet-process diaphragm casting piece cooling device, which relates to the technical field of wet-process diaphragm production devices and comprises a melt pipeline and a clothes hanger type die head through which fluid sequentially passes along the production direction, a casting piece roller is arranged below the clothes hanger type die head, a back cold air cover component is arranged on one side of the casting piece roller, and the back cold air cover component is arranged on the other side of the casting piece roller. An air inlet assembly and an air exhaust fan are arranged on one side, deviating from the casting piece roller, of the back cold air cover assembly; a plurality of static pressure box assemblies are arranged at the open end of the back cold air cover assembly, and a gap is reserved between every two adjacent static pressure box assemblies and used for exhausting air. The air inlet assembly communicates with the back cold air cover assembly through a hose and is used for distributing inlet air to the static pressure box assembly, the static pressure box assembly faces a casting piece roller and is used for blowing cold air to a casting piece on the surface of the casting piece roller, and the technical problems that in the prior art, back cooling is lacked, and the temperatures of the two faces of the machined casting piece are not uniform, and the flatness is not consistent are solved. And the technical effects of improving the production efficiency and improving the thickness and quality of the casting piece are achieved.

The utility model discloses an ore unloading water tank of a wet type magnetic separator, which belongs to the technical field of ore unloading equipment of the wet type magnetic separator and comprises a tank body extending along a first direction, the tank body comprises a tank front plate and a tank rear plate, the tank front plate and the tank rear plate are both parallel to the first direction and are vertically arranged, and the upper edge of the tank front plate is lower than the upper edge of the tank rear plate. A water outlet tongue plate is arranged at the upper edge of the groove front plate, and the water outlet tongue plate inclines downwards in the direction away from the groove rear plate; a plurality of partition plates distributed in the first direction are arranged in the tank body, and the upper edges of the partition plates are lower than the highest point of the water outlet tongue plate. The water inlet pipe is arranged right above the tank body and extends along a first direction; a plurality of water distribution pipes are arranged on the water inlet pipe, and the lower ends of the water distribution pipes extend into the tank body and are located between two adjacent partition plates; the distributive pipe is provided with internal threads; water can be sprayed out in a spiral mode through the internal thread structure of the water distribution pipe, under the action of the partition plate, water flow surges, rises evenly and overflows from the water outlet tongue plate, water outlet is even, ore unloading is facilitated, blocking is not prone to occurring, and the phenomenon that the roller carries ore is avoided.

The application provides an open warehouse track layout, which comprises a plurality of open tracks for robots to enter different groups of tracks according to needs to perform corresponding work, each group of tracks forms a horn opening with two ends opening outward to facilitate the robot to enter the track, and each group of tracks comprises two oppositely arranged power supply tracks, each power supply track comprises a track body, a slide wire mounted on the inner side of the track body, and two anti-collision plates respectively mounted on the two ends of the inner side of the track body, the track body comprises a straight track main body and a track guide part extending obliquely outward at the two ends of the track main body, the anti-collision plates are respectively mounted on the track guide parts, and the slide wire is mounted on the track main body.

The utility model belongs to the technical field of dies, and discloses a high-precision timing chain cover cap die which comprises a first support, a second support, a blanking platform, an upper die and a lower die, the first support is connected with two groups of first hydraulic cylinders, and the two groups of first hydraulic cylinders are mutually symmetrical in the vertical direction; the upper die and the lower die are connected with the output ends of the two sets of first hydraulic cylinders correspondingly, the first support is connected with a pair of second hydraulic cylinders which are mutually symmetrical in the vertical direction, and the output ends of the second hydraulic cylinders are connected with ejector rods. The cover cap can be disengaged from the mold cavity at the first time after the mold is opened, the cover cap is rapidly taken out through the discharging rod, manual discharging of workers is avoided, the scalding risk is eliminated, meanwhile, the discharging time is shortened, the working efficiency is guaranteed, and the device is simple in overall structure, convenient to maintain and lower in cost compared with automatic equipment such as a mechanical arm. And the production cost is more favorably controlled.

The utility model relates to the technical field of cutting devices, in particular to an adjustable optical lens cutting device which comprises a base, three protection plates used for shielding a cutting mechanism are arranged outside the base, an installation frame used for fixing the protection plates is fixedly installed at one ends of the protection plates, and the installation frame is connected outside the base in a clamped mode. A cutting mechanism of the device is covered through the protection plates, the matched fixing plate, the mounting frame, the three protection plates and the push plate, after the device finishes working, the fixing plate is moved upwards to release clamping of the mounting frame, the push plate is pushed to enable the three protection plates to be folded and shrunk, and then the cutting mechanism is cut. At the moment, the fixing plate is connected with the mounting frame again, the fixing plate is clamped to the outer portion of the fixing block, the push plate is fixed, the protection plate is folded, shrunk and fixed through the convenient operation process, the operation of disassembling and arranging the protection cover and follow-up maintenance does not need to be spent, and therefore the working efficiency is guaranteed.

The utility model discloses a rock grinding device which comprises a box body, a smashing device, a grinding assembly, a first-stage sieve, a second-stage sieve and a planetary grinding device, the smashing device, the first-stage sieve, the grinding assembly, the second-stage sieve and the planetary grinding device are sequentially arranged in the box body from top to bottom, and the smashing device is used for smashing rocks. The grinding assembly is used for grinding crushed rock into rock powder, the first-stage sieve is detachably connected with the box body, the second-stage sieve is slidably connected with the box body, and the planetary grinding device is used for carrying out secondary grinding on the rock powder. The device has the technical effects that mined rocks can be ground into experimental-level rock powder at a time, and the efficiency is improved.