28results about How to "Change volume" patented technology

The invention relates to the technical field of agricultural planting, in particular to a fertilizing device for tomato planting and a using method thereof.The fertilizing device comprises a cart and a mounting flat plate horizontally mounted on the front portion of the cart, a fertilizer box and a limiting track are fixedly mounted on the mounting flat plate, and a U-shaped pipe is arranged at the bottom of the fertilizer box; an opening in one end, far away from the feeding hole, of the U-shaped pipe is upwards mounted at the first liquid outlet hole in the limiting rail; the injection system comprises a material receiving box installed below the second liquid outlet hole, the bottom end of the material receiving box is connected with a material receiving barrel through an inclined connecting pipe, a sleeve vertically extending downwards is arranged at the bottom of the material receiving barrel, an inserting pipe is coaxially installed on the sleeve, a downward pressing assembly is arranged on the cart, and the pushing assembly is provided with a pushing rod. According to the technical scheme, the single-time fertilization amount is accurately controlled through the measuring cylinder, the uniformity of each-time fertilization amount is ensured, and the downward pressing assembly drives the insertion pipe to move downwards in the sleeve, so that liquid fertilizer can be directly applied to the roots of tomato seedlings.

The invention provides a slope cropland fertilizing device and method, belongs to the technical field of fertilizing, and aims to solve the problem that a fertilizing device special for slope cropland is lacked in the prior art. Comprising a vehicle body, a chemical fertilizer box, a fertilizer distributor, a mixer, a fertilization angle adjusting assembly and a fertilization gun, a power device is arranged on the vehicle body, the vehicle body is driven by the power device to advance, and a handrail is fixedly arranged on the back of the vehicle body; the chemical fertilizer boxes are symmetrically and fixedly arranged on the two sides of the vehicle body, through holes are formed in the bottoms of the chemical fertilizer boxes, the through holes in the bottoms of the chemical fertilizer boxes are communicated with the fertilizer distributors, and the fertilizer distributors are used for quantitatively measuring chemical fertilizers; the bottom of the fertilizer distributor is communicated with the mixer; the fertilization angle adjusting assembly is arranged at the bottom of the vehicle body; the fertilization angle adjusting assembly is used for adjusting the fertilization angle; the fertilizing gun is mounted on the fertilizing angle adjusting assembly.

The present invention relates to the technical field of agricultural planting, and in particular to a fertilizing device for tomato planting and a method for using the same. The fertilizing device comprises a cart and a mounting plate horizontally mounted on the front of the cart, a fertilizer box and a limiting track are fixedly mounted on the mounting plate, a U-shaped tube is arranged at the bottom of the fertilizer box, and one end of the U-shaped tube away from a feeding port is opened upwardly and is mounted at a first liquid outlet in the limiting track; a quantitative cylinder with an opening downwardly arranged is slidably mounted in the limiting track, an injection system comprises a material receiving box installed below the second liquid outlet, the bottom end of the material receiving box is connected to the material receiving cylinder through an inclined connecting pipe, a sleeve extending vertically downward is arranged at the bottom of the material receiving cylinder, a plug is coaxially mounted on the sleeve, and a pressing assembly is arranged on the cart. The technical scheme realizes precise control of a single fertilizer application amount through a measuring cylinder to ensure uniform fertilizer application amount each time, and the pressing assembly drives the plug to move downward in the sleeve, so that liquid fertilizer can be directly applied to the roots of the tomato seedlings.

The invention provides a deep ultraviolet LED sterilization and disinfection water tank, and relates to the technical field of sterilization and disinfection water tanks. The bottom of the upper box body is fixedly connected with a middle box body, and the bottom of the middle box body is fixedly connected with a lower box body; the outer part of the lower box body is connected with a positioning hoop, and the positioning hoop is connected with the upper box body; a box top cover is buckled on the top of the upper box body, a rubber sealing ring is mounted in the box top cover, and an LED deep ultraviolet lamp is mounted in the bottom of the box top cover. The box top cover is rotated, the inclined face B and the inclined face A are in contact stress, the box top cover moves downwards, the top of the upper box body makes close contact with the rubber sealing ring, the box top cover is locked and fixed in a one-way mode through the movable locking sleeve, reverse rotation of the box top cover is prevented, the sealing effect in the water tank is guaranteed, and maintenance and replacement operation on the LED deep ultraviolet lamp in the water tank is facilitated. The problems that in order to guarantee the sealing performance of an existing sterilization and disinfection water tank, a tank body and a tank cover are mostly fixed through bolts, and an LED ultraviolet lamp is inconvenient to overhaul and replace in the later period are solved.

The utility model relates to fermentation tank technical field discloses a kind of deformable volume coffee fermentation tank devices, including fermentation tank, the inside fixedly connected with feed pipe of fermentation tank, the outer wall rotationally connected with connecting rod of fermentation tank, the other end rotationally connected with bottom cover of connecting rod, the upper surface of bottom cover and the bottom of fermentation tank contact, the outer wall fixedly connected with multiple cylinder one of fermentation tank, multiple cylinder one output end are all fixedly connected in the outer wall of bottom cover, adjustment assembly is provided in the inside of fermentation tank.In the utility model, the closed space between fermentation tank and flexible diaphragm is inflated by air pump, so as to achieve the effect of changing the internal volume of tank body, solve the problem that existing fixed volume fermentation tank cannot adapt to small batch multiple batches of coffee bean processing demand, material mixing is uneven and temperature fluctuation leads to poor flavor uniformity, improve the adaptability and production efficiency of coffee fermentation process.

The invention relates to the technical field of water heater temperature control valves, in particular to a water storage type water heater intelligent temperature control valve structure which comprises a transverse pipe, a vertical pipe is arranged on the transverse pipe, a cold water connector and a hot water connector are arranged on the two sides, located on the vertical pipe, of the transverse pipe respectively, and a flow temperature controller is arranged in the transverse pipe. The flow temperature controller comprises a partition plate jointly arranged in the vertical pipe and the transverse pipe, the partition plate divides the transverse pipe and the vertical pipe into a cold water cavity and a hot water cavity, the cold water cavity is located on one side of the cold water connector, the hot water cavity is located on one side of the hot water connector, and a connecting rod located in the transverse pipe penetrates through the partition plate in a sliding mode; when the hot water flow is large, the moving stroke of the water baffle plate pushed by the hot water flow is long, and the cold water flow is correspondingly increased, otherwise, when the hot water flow is small, the moving stroke of the water baffle plate pushed by the hot water flow is short, and the cold water flow is correspondingly reduced, and no matter how the hot water flow changes, the cold and hot water flow proportion is always kept constant. Therefore, the stability of the outlet water temperature is ensured.

The invention relates to the technical field of semiconductors, in particular to a single-cavity passive air bag, which comprises a body, and the body comprises a shell, an air film and a piston; an air chamber is formed between the air film and the piston, and the side wall of the shell corresponding to the air chamber is communicated with a breather pipe; the bearing platform is arranged above the gas film and fixedly connected with the gas film, and the upper end of the bearing platform has an extra bearing area; the adjusting assembly comprises a driving end and an executing end, the executing end is located in the shell and connected with the piston, and the executing end is acted by the driving end to adjust the volume of the air chamber and change the rigidity and inherent frequency of the passive air bag. And meanwhile, the volume of the air chamber can be finely adjusted to meet the rigidity requirement of the air bag in different working environments, and certain bearing capacity is achieved.

The utility model discloses a municipal road surface base course paving device which comprises a vehicle body in which a first material storage cavity, a second material storage cavity and a third material storage cavity are arranged, and is characterized in that the top of the vehicle body is provided with a screening assembly for carrying out three-stage screening on broken stones; the screening assembly screens broken stones and then guides the screened broken stones into the first storage cavity, the second storage cavity and the third storage cavity correspondingly, blanking grooves are formed in the bottoms of the first storage cavity, the second storage cavity and the third storage cavity, and a baffle assembly for shielding the blanking grooves is arranged at the bottom of the vehicle body; an adjusting assembly is arranged on one side of the vehicle body to enable the baffle assembly to slide left and right, the upper-layer screening box, the lower-layer screening box and the inclined plate vibrate and screen broken stones, and after the vehicle moves rightwards, a composite layer structure of lower-layer fine broken stones, middle-layer coarse broken stones and upper-layer medium-sized broken stones can be laid on a pavement base layer.

The utility model relates to the technical field of animal husbandry breeding, in particular to a special batching device for a sheep breeding period, which comprises a working box, two feeding bins are arranged in the working box, the output ends of the two feeding bins are communicated with a mixing bin together, a plurality of inserting grooves are arranged in the feeding bins, and the inserting grooves are communicated with the mixing bin. Plugging pieces used for plugging the feeding bins are movably inserted into the inserting grooves, the volume of the feeding bins is adjusted by inserting the plugging pieces into the inserting grooves in different positions, and the device further comprises a material mixing assembly used for mixing materials falling into the two feeding bins. According to the feed proportioning device, the plugging pieces are inserted into the inserting grooves in different positions, the volume of the feeding bin is changed, coarse feed and dry feed are quickly proportioned, manual weighing is not needed, and efficiency is higher.

The utility model discloses a device for putting special pesticide residue powder for plants, which comprises a barrel, special pesticide residue powder particles for plants are loaded in the barrel, a sliding ring is arranged on the outer surface of the barrel in a sliding manner, a bottom grip is arranged on one side of the sliding ring, a top plate is further arranged on the outer surface of the barrel, and the top plate is connected with the barrel. A top grip is arranged on one side of the top plate, a guide assembly is arranged between the top grip and the bottom grip, a plurality of springs are elastically arranged between the sliding ring and the top plate, and the sliding ring is arranged between the sliding ring and the top plate by holding the bottom grip and the top grip and changing the distance between the bottom grip and the top grip. The distance between the baffle plates and the circle center of the barrel can be changed, the gaps between the baffle plates can downwards leak special pesticide residue powder particles, the gaps between the baffle plates can be changed along with the change of the distance between the bottom grip and the top grip, and personnel can control putting of the special pesticide residue powder for plants very conveniently.

The invention discloses a device and a method for producing physalis alkekengi by fermentation of soybean clear liquid, and belongs to the field of fermentation of yellow serofluid. The device comprises a fermentation tank, a feeding pipe is installed at the top of the fermentation tank, a flow valve is arranged on the feeding pipe, a supporting block is installed on the side wall of the fermentation tank, a control plate is rotationally connected to the supporting block, and a material taking plate is rotationally connected to the control plate; a first material taking hole, a second material taking hole and a third material taking hole are linearly formed in the material taking plate in the radial direction, three adjusting blocks are connected to the material taking plate in a sliding mode, and the three adjusting blocks can slide into the first material taking hole, the second material taking hole and the third material taking hole correspondingly, so that the strain material taking amount is adjusted; the adjusting blocks slide in the direction far away from the corresponding material taking holes along with the increase of flow values obtained by the flow valves; the device can automatically change the strain feeding amount according to the yellow serofluid water amount.

The invention belongs to the field of casting equipment, and particularly relates to a casting machine with a protection function for casting, the casting machine comprises a ladle charging barrel, a fixed support device and a suspension support device, the ladle charging barrel is fixedly installed on the fixed support device, the fixed support device is rotatably connected to the suspension support device, and the suspension support device is rotatably connected to the fixed support device. A telescopic rod device is connected between the fixing support device and the hanging support device, a driving limiting device is arranged on the hanging support device, a protective circular plate device is hinged to the upper end of the ladle charging barrel and located below the driving limiting device, and the lower end face of the ladle charging barrel is fixedly connected with a driving support device. According to the device, the inclination angle of the ladle charging barrel is not changed in the pouring process, the operation stability and the pouring precision are improved, the protective circular plate device can seal the ladle charging barrel in time, molten iron is prevented from being splashed all around, and the device is safe and reliable. And the equipment safety is improved.

The utility model relates to the field of processing equipment, and discloses multifunctional cassava soup processing equipment which comprises a base, a machine table is fixedly connected to the top end of the base, a motor is installed at the bottom end of the machine table, a rotating shaft is fixedly connected to the bottom end of an output shaft of the motor, and stirring blades are fixedly connected to the bottom end of the rotating shaft. The top end of the base is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a raw material barrel, the bottom end of the raw material barrel is fixedly connected with a material conveying assembly, the material conveying assembly comprises a shielding plate, the shielding plate is rotationally connected to the outer wall of a rotating shaft, and the top end of the shielding plate is fixedly connected to the bottom end of the raw material barrel; the bottom end of the shielding plate is slidably connected with a control assembly. Cassava thick soup raw materials are manually placed into the raw material barrel, then the motor drives the rotating shaft to rotate to enable the filter screen to rotate to be aligned with the raw material barrel, the cassava thick soup raw materials enter the discharging box through the filter screen, then the rotating shaft drives the baffle to shield, and the mixing effect of the whole device is good.

The invention discloses an anti-explosion high-pressure reaction kettle, and belongs to the field of reaction kettles, the anti-explosion high-pressure reaction kettle comprises a high-pressure tank body, an anti-explosion cover body is detachably mounted at the upper end of the high-pressure tank body, an anti-explosion pressure limiting part is mounted on the anti-explosion cover body, and a volume-variable part and a filtering and stirring part are slidably clamped in the high-pressure tank body. According to the device, by arranging the variable-volume component, when the volume needs to be reduced, only the variable-volume component needs to be pushed to the bottom end of the interior of the high-pressure tank body, at the moment, the variable-volume component is subjected to the action of air pressure and water pressure, and the variable-volume component is fixed to the bottom end of the interior of the high-pressure tank body; at the moment, all the solution is located in the reaction chamber, and the diameter of the reaction chamber is far smaller than the inner diameter of the high-pressure tank body, so that the reaction space of the solution can be reduced, and the reaction kettle can have different reaction spaces so as to meet different reaction requirements.

The utility model provides a high-temperature chemical preparation tank, and relates to the technical field of chemical preparation tanks. The front end of the chemical preparation tank is connected with a sealing tank cover; a base is mounted at the bottom of the chemical preparation tank; two high-temperature-resistant sealing rings A and two high-temperature-resistant sealing rings B are mounted in the melting tank; gears are respectively mounted on two opposite sides of the outer part of the chemical preparation tank, and a positioning pin is inserted into the outer part of the chemical preparation tank. The connection portions of the front tank body, the middle tank body and the rear tank body can be adjusted according to the number of livestock and poultry died of illness, the internal volume of the tank is changed, the internal free space of the tank is reduced, rapid pressurization is achieved, the high-temperature-resistant sealing ring A and the high-temperature-resistant sealing ring B are matched with each other, the internal high-pressure sealing performance of the tank is guaranteed, and the service life of livestock and poultry died of illness is prolonged. Livestock and poultry died of illness become grease under the action of high-temperature steam, and the time needed by high-temperature melting of the livestock and poultry died of illness is shortened.

The utility model relates to a bucket elevator hopper installation structure which comprises a hopper body, four limiting grooves are formed in the top of the hopper body, an installation cavity is formed in the hopper body, and a positioning structure is arranged in the installation cavity. According to the hopper mounting structure of the bucket elevator, by arranging the volume increasing side plate and the positioning structure, when the volume of the hopper main body needs to be changed to adapt to materials with different characteristics, a handle is pulled outwards to move to the position where a telescopic clamping rod can move downwards through gravity, and the telescopic clamping rod is connected with the outer wall of the hopper main body in an abutting mode; after a limiting inserting block at the bottom of the volume increasing side plate is inserted into a limiting groove, a telescopic clamping rod moves upwards, at the moment, a positioning block is driven by a sliding seat to penetrate through a through hole to be connected into a positioning groove in a clamped mode through rebound expansion of a reset spring, then connection and fixation of the volume increasing side plate are completed, and the purpose of changing the volume of the hopper body is achieved.

The utility model relates to the inductance forming field especially relates to a kind of inductance forming equipment.For extruding and forming into inductance by powder, including the upper die assembly, middle die assembly and lower die assembly that are sequentially arranged from top to bottom along vertical direction:the upper die assembly includes upper die plate, and upper die plate is connected with upper die driver, and the end of upper die plate close to middle die assembly is fixed with upper punch;Middle die assembly includes fixedly arranged middle die plate, and the middle die plate is opened with the material groove that is set through along vertical direction corresponding upper die plate, and the upper punch can be inserted into the top end of material groove under the drive of upper die driver;The lower die assembly includes lower die plate, and lower die plate is connected with lower die driver, and the end of lower die plate close to middle die plate is fixed with lower punch, and the lower punch can be inserted into the bottom end of material groove under the drive of lower die driver;The material groove and lower punch cooperate to form the cavity for powder pouring, and the depth of lower punch into material groove is synchronous corresponding the volume of cavity.

The utility model discloses a filling mechanism which comprises a mounting frame, a quantitative barrel is arranged at one end of the mounting frame, a feeding pipe is arranged at one end of the quantitative barrel, a control valve is arranged in the feeding pipe, a piston block is arranged in the quantitative barrel and is in sliding fit with the quantitative barrel, an adjusting lead screw is rotationally connected to the mounting frame, and a valve is arranged on the adjusting lead screw. A movable plate is arranged on the mounting frame in a sliding connection mode, the movable plate is matched with the adjusting lead screw, a first air cylinder is arranged on the movable plate, a piston push rod is arranged at the output end of the first air cylinder, the piston push rod is in sliding fit with a quantitative barrel and is connected with a piston block, and a discharging opening is formed in one end of the quantitative barrel; a matching groove is formed in the piston block, a second air cylinder is arranged in the piston push rod, a movable piston is arranged in the matching groove, the output end of the second air cylinder is connected with the movable piston, and the movable piston is matched with the discharging port. The equipment can adjust the filling amount, meets various requirements and is more thorough in discharging.

This invention proposes a variable-volume research battery clamp and air battery with gas pressure monitoring function, belonging to the field of battery technology. It solves the problem that existing small-scale test battery clamps used in laboratories cannot provide data related to gas research. It includes a negative electrode current collector base, an annular insulator sealing device, a nut, a cylindrical positive electrode current collector, and a gas pressure transmitter. A cylinder is fixed to the top surface of the negative electrode current collector base, and an insulating film is provided on the inner wall. The annular insulator sealing device is sleeved around the cylindrical positive electrode current collector. The top surface of the nut has an annular boss, the bottom surface of which fits against the annular insulator sealing device. The lower end of the cylindrical positive electrode current collector passes through the nut and the annular insulator sealing device sequentially and is placed inside the cylinder. Multiple pipes are fixed to the top surface of the cylindrical positive electrode current collector, and the gas pressure transmitter is connected to one of these pipes. It is mainly used for experimental research on air batteries.

The utility model discloses a quantitative feeding device for lime production, and relates to the technical field of building material processing. The material scraping device comprises a material collecting tank, a material scraping shaft, an arc plate, a screw rod and a feeding barrel, a material scraping motor is arranged at the upper end of the material collecting tank, an output shaft of the material scraping motor downwards penetrates through a support and is fixed to the material scraping shaft, limiting strips which are symmetrically distributed are fixed to the periphery of the material scraping shaft, a lantern ring is arranged outside the material scraping shaft and the limiting strips in a sleeving mode, and material scraping strips are fixed to the peripheral face of the lantern ring. Scraping teeth are fixed at the bottom end of the scraping strip; and an arc plate is inserted into the peripheral side of the material collecting tank, an obliquely-distributed discharging groove channel is fixed to the top end of the arc plate, a rotating shaft is rotationally connected to the interior of the throwing barrel, and supporting plates distributed in an annular array mode are fixed to the periphery of the rotating shaft. By arranging the material collecting tank, the discharging channel, the screw rod, the arc plate, the material scraping strip, the material scraping shaft, the throwing barrel, the supporting plate and the clamping plate, the lime throwing device solves the problems that lime is difficult to uniformly take out from a material storage container during throwing and the lime is inconvenient to accurately and quantitatively throw.

The utility model relates to the technical field of citrus can production, in particular to a filtering device for citrus can production, which comprises a citrus pulp filtering and separating tank, and a quantitative conveying component is arranged on the inner side of the citrus pulp filtering and separating tank; the quantitative conveying assembly comprises a lower rotating disc and an upper rotating disc, a conveying belt is arranged between the lower rotating disc and the upper rotating disc in a sleeving mode, a plurality of mounting plate bases are installed on the outer wall of the conveying belt in a threaded connection mode, conveying material grooves are fixedly formed in the side edges of the mounting plate bases, sliding plates are slidably arranged on the inner sides of the conveying material grooves, and electric telescopic rods are fixedly installed at the bottoms of the conveying material grooves. The output end of the electric telescopic rod slidably penetrates into the conveying trough, the upper side of the output end of the electric telescopic rod is fixedly connected with the bottom of the sliding plate, a shaft seat is fixedly mounted on the upper side of the citrus pulp filtering and separating trough, and the upper rotating disc is rotatably mounted on the inner side of the shaft seat. According to the quantitative conveying device, the quantitative conveying amount can be flexibly adjusted through the arranged quantitative conveying assembly, and compared with a traditional conveying device, the quantitative conveying device is more suitable for conveying pulp.

The corrugated board layered gluing equipment comprises a workbench, supporting plates are fixedly connected to the two sides of the upper end of the workbench, a motor is fixedly connected to the right side of the supporting plate on the right side, a gluing roller is fixedly connected to the output end of the motor, and a glue outlet mechanism is arranged at the upper ends of the supporting plates; and the glue discharging mechanism comprises a liquid storage box fixedly connected to the upper end of the supporting plate, a rotating roller is rotationally connected to the lower end of the interior of the liquid storage box, rectangular grooves are evenly formed in the outer side of the rotating roller, and a liquid guide block is fixedly connected to the inner wall of the supporting plate. Meanwhile, the rotating speed of the glue spreading roller can be changed according to the paperboard conveying speed during working, then the rotating speed of the rotating roller can be correspondingly changed to adapt to the glue discharging speed, when working is stopped, the rotating roller stops rotating, glue discharging can be stopped in time, and the glue discharging effect during using of the device is improved.

The utility model discloses an earphone tuning structure which comprises an earphone head band and a tuning assembly, a first earphone main body is fixedly installed at the tail end of the right side of the earphone head band, and an earphone tuning mechanism used for preventing mistaken touch is installed at the right end of the first earphone main body. The tuning assembly comprises a shell, a first knob gear, shaft rods, bearing sleeves, first reset springs and a second knob gear, the bottom of the shell is rotationally connected with the first knob gear, the shaft rods are fixedly installed in the middles of the two sides of the first knob gear, the outer walls of the shaft rods are sleeved with the bearing sleeves, and the first reset springs are fixedly installed at the tops of the bearing sleeves; and the middle part of the shell is rotatably connected with a second knob gear, the left end of the second knob gear is fixedly provided with a tuning main knob, and the left end of the tuning main knob is rotatably connected with a tuner main body. The earphone tuning structure not only can reduce the volume change of the earphone caused by mistaken touch of external force, but also can dismount and replace the damaged tuning part.

The invention discloses a foot-ground simulation platform, and relates to the technical field of robot testing, the foot-ground simulation platform comprises a three-dimensional frame, the front side and the rear side of the top of the three-dimensional frame are respectively provided with two mechanical leg transverse movement driving mechanisms, and the two mechanical leg transverse movement driving mechanisms are respectively connected with the two ends of the bottom of a mechanical leg moving mechanism; the device further comprises a walking simulation mechanical leg, a soil box transverse moving driving mechanism and a ground simulation mechanism, the walking simulation mechanical leg comprises a mechanical leg driving assembly and a shank, the top of the mechanical leg driving assembly is connected with a mechanical leg moving mechanism, and the bottom of the mechanical leg driving assembly is connected with one end of the shank. A foot stress detection mechanism is mounted at the other end of the shank; according to the foot-ground simulation platform, the ground simulation mechanism is adopted to enable the foot stress detection mechanism to be in contact with different grounds, the stress conditions when the foot is in contact with the different grounds are detected, the simulated result is more real and accurate, meanwhile, an on-site walking experiment can be avoided, and the experiment cost can be reduced.

The utility model provides a granulation extrusion stock bin lifting mechanism, which relates to the technical field of granulation extrusion stock bins, and comprises a hopper, four adjusting mechanisms are arranged at the bottom of the hopper, each adjusting mechanism comprises a triangular plate, a clamping column is arranged in each triangular plate, the clamping columns are connected with the triangular plates in a sliding manner, and the triangular plates are connected with the clamping columns in a sliding manner. Clamping grooves matched with the clamping columns are formed in the triangular plates, connecting blocks are fixedly connected to the outer surfaces of the clamping columns, and the connecting blocks penetrate through the interiors of the triangular plates. According to the granulation extrusion stock bin, the adjusting mechanism is arranged, so that the opening and closing degree of the discharge port of the granulation extrusion stock bin can be adjusted according to the properties of materials, the discharge speed and the discharge amount of the hopper can be adjusted more finely, the discharge speed and the discharge amount are closer to production requirements, and meanwhile, the opening and closing degree of the four triangular plates can be adjusted more accurately. The volume of the hopper can be changed to a certain extent.

The utility model provides a feeding structure and mortar production equipment, and relates to the technical field of mortar production equipment, and the feeding structure comprises a feeding assembly and a feeding assembly. The feeding assembly comprises an elevator, a discharging bin is arranged at the top end of the elevator, an adjusting plate is hinged to one side wall of the interior of the discharging bin, an air cylinder is installed on the outer side wall of the discharging bin, and the cylinder rod end of the air cylinder movably penetrates through the side wall of the discharging bin and is connected with the adjusting plate; the feeding assembly is communicated with the feeding end of the elevator. The adjusting plate is driven by the air cylinder to move, the size of the discharging opening of the discharging bin can be changed, and therefore the discharging speed and the feeding amount of the discharging bin can be changed, and change can be conducted according to actual mortar production. And through the arrangement of the screen, the mortar raw materials can be finally screened, and the situation that large raw materials enter the mortar production device, and the quality of mortar is affected is prevented.

The invention provides a closed compressed carbon dioxide heat pump energy storage system and a use method thereof, and the system is additionally provided with a variable volume gas storage tank, an actuating mechanism and a plurality of regulating valves on the basis of a traditional compressor, an expansion machine, a heat exchanger and a heat regenerator. The variable-volume gas storage tank is connected to the outlet side of the expansion machine, and the volume of the variable-volume gas storage tank is changed through driving of the executing mechanism, so that the overall pressure and working medium density of the system are rapidly adjusted on the premise that the total mass of working media of the system is not changed, and rapid and efficient lifting of loads is achieved. And meanwhile, the volume of the gas storage tank can be actively expanded to the maximum when the system is shut down, so that the stagnation pressure of the system is rapidly reduced to a safe range, and the overpressure risk of low-pressure side equipment is effectively avoided. The closed type carbon dioxide energy storage system solves the technical problems that an existing closed type carbon dioxide energy storage system is low in load adjusting speed, low in efficiency and high in shutdown pressure, and has the advantages of being fast in response, high in energy efficiency and good in safety.