20results about How to "Change quantity" patented technology

The invention discloses a clothing manufacturing workshop conveying system, and belongs to the field of conveying. The invention discloses a conveying system for a clothing manufacturing workshop. The conveying system comprises a runway-shaped conveying frame and feeding discs rotationally connected to the two sides of the conveying frame. A plurality of sliding bodies are installed on the conveying frame in the circumferential direction in a sliding mode. Every two adjacent sliding bodies are connected together through a tension spring. The conveying system further comprises two feeding motors. One feeding motor drives one feeding disc to rotate; containing grooves used for driving the sliding body to move are evenly formed in the periphery of the feeding disc. According to the scheme, the number of the sliding bodies below the conveying frame can be changed through rotation of the two feeding discs, the sliding bodies are evenly distributed below the conveying frame under the action of the tension springs, and then the distance between the sliding bodies is adjusted so as to adapt to clothes of different models.

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.

The invention relates to the technical field of the large aviation equipment design precision manufacturing industry, in particular to a modular design structure of a large load-carrying airship. The engineering manufacturing problem that a single-hull load-carrying airship is too large in load (huge in geometric dimension) is solved. According to the invention, two or more buoyancy modules are integrated on one load-carrying airship; the structure of the load-carrying airship comprises an airship control module unit, a buoyancy module unit, a skeleton structure module unit, a load structure module unit, a power module unit, an unloading balance control module unit and an auxiliary function module unit which cooperate with one another to complete an airship flight task.

This disclosure provides a dust collection device and cleaning equipment, belonging to the field of cleaning equipment. The dust collection device includes a dust cup, a cyclone separator, a shielding member, and a drive motor. The cyclone separator is disposed within the dust cup and has a dust discharge side and a clean air discharge side arranged opposite each other along the axial direction of the cyclone separator. The cyclone separator includes multiple cyclone cones, each of which has an exhaust passage communicating with its interior and facing the clean air discharge side. The shielding member is rotatably disposed on the clean air discharge side of the cyclone separator and configured to selectively close at least a portion of the exhaust passage during rotation. The drive motor is disposed on the dust discharge side of the cyclone separator and is drively connected to the shielding member to drive the shielding member to rotate. The dust collection device and cleaning equipment provided by this disclosure can balance separation performance, flow capacity, structural compactness, and switching reliability.

The invention relates to a method for determining at least one free space in a vehicle environment of a vehicle, wherein the method has the following steps: (a) receiving at least two-dimensional contour points (11) of an object (5) in the vehicle environment; (b) assigning the received contour points (11) to a plurality of rows (8) which divide at least one field of view (4) located in the vehicle environment and considered in the scope of the method in rows; (c) for at least a portion of the plurality of rows (8), respectively within a row (8), determining as a minimum contour point (13) such a contour point (11) which has the smallest contour point distance (15) to a reference system (2, 3) of the vehicle (1) of all contour points (11) assigned to the respective row (8) within the row (8); and (d) connecting the previously determined minimum contour points (13) as one free space (6) or a plurality of free spaces (6) within the at least one field of view (4) considered.

The invention discloses a noiseless self-balancing pile head breaking tool and a using method thereof. The pile head breaking tool comprises a traction piece, a pile casing piece, a top plate piece and a power lifting piece. The traction piece is arranged on the outer side of the circumference of the pile casing piece, and the top end of the traction piece is connected with the top plate piece; the top plate piece is located above the pile casing piece, the power lifting piece is arranged between the top plate piece and the top end of the pile casing piece, and the power lifting piece stretches and pulls the traction piece and the solidified concrete above the traction piece through the top plate piece. The using method comprises the following steps that S1, the traction piece and the reserved steel bar are bound and connected; s2, a pile casing part is placed; s3, pouring operation is carried out; s4, girdling operation is conducted on the peripheral side wall of the primary pile body; s5, a top plate piece and a power lifting piece are installed; s6, the power lifting piece drives the pile head part and the pile body part to be separated from the girdling position; and S7, the pile casing part and the solidified concrete in the pile casing part are cut off, and a finished pile body is obtained. The problems that in existing pile foundation construction, in the pile head breaking process, consumed time is long, the labor cost is high, reinforcing steel bars are prone to being damaged, and the construction environment is severe are solved.

The application discloses a graphite / silicon carbide composite phase change energy storage unit and a preparation method thereof. The graphite / silicon carbide composite phase change energy storage unit is prepared by the following basic processes: (1) 3D printing of mixed powder; (2) selective laser sintering of a phase change energy storage unit blank; (3) multiple carbonization and vacuum pressure impregnation densification pretreatment; (4) molten silicon infiltration sealing strengthening treatment; (5) loading of high-temperature molten salt; and (6) packaging. The graphite / silicon carbide composite phase change energy storage unit provided by the application has the advantages of simple preparation process, low cost, easy industrial production, high-temperature resistance, corrosion resistance, good mechanical properties, good packaging performance, high loading rate and the like. The existence of the three-dimensional porous graphite skeleton improves the energy conversion efficiency and heat transfer uniformity, and multiple phase change energy storage units are assembled together to form an energy storage device, which is expected to be applied to peak load shifting, waste heat recycling and reuse and periodic new energy rapid storage and release.

The utility model discloses a multistage impurity filtering device for mixture purification, which comprises a cylinder body, a cover plate, a pressing plate, an adjusting screw and a plurality of filtering components, the filtering components are arranged in the cylinder body in an up-and-down overlapping manner, the pressing plate is arranged in the cylinder body in a floating manner and is positioned above the filtering components, and the adjusting screw is positioned above the pressing plate. Pressing rods pointing to the filtering assembly below are arranged at the bottom of the pressing plate at intervals, the adjusting screws are arranged on the cover plate and extend downwards to the top of the pressing plate, each filtering assembly comprises a positioning ring, a cylindrical filtering net and a supporting body, and the cylindrical filtering nets are arranged in the positioning rings and extend downwards; and the support body is arranged at the bottom of the positioning ring and extends downwards to the lower part of the outer side of the cylindrical filter screen. According to the multi-stage impurity filtering device for purifying the mixture, disclosed by the utility model, the filtering assemblies with different heights can be selected to be superposed for use, so that the number of the filtering assemblies is changed, a multi-stage impurity filtering structure meeting actual requirements is formed, and the maintenance is convenient.

The utility model discloses an inverted push rod mechanism of a packaging machine supply line, which comprises a conveying rack, a bearing track mounted on the conveying rack and used for bearing and guiding products, a transmission chain belt mounted inside the conveying rack, and a first push rod and a second push rod alternately rotating on one side of the transmission chain belt at intervals. And open grooves matched with the first push rod and the second push rod are formed in the top of the bearing rail, and the guide assembly is installed on the conveying rack, used for guiding and limiting the first push rod and the second push rod and further used for changing the working state of the second push rod. The transmission chain belt, the first push rod, the second push rod and the guide assembly are used in a matched mode, the length of the first guide rod on the first push rod is different from that of the second guide rod on the second push rod, when the switch unit is opened or closed, the working state of the second push rod can be adjusted through the second guide rod, and the number of conveyed products can be changed.

The application discloses a low-rigidity thin-wall gear ring end face grinding tool, which comprises an electric permanent magnetic chuck, three fine-tuning precision lifting platforms, three arc-shaped clamping blocks and a flatness measuring device, the three fine-tuning precision lifting platforms and the three arc-shaped clamping blocks are alternately arranged on the surface of the electric permanent magnetic chuck with equal intervals. The application changes the traditional end face adsorption clamping into gear ring cylindrical surface clamping, changes the clamping force from axial to radial, and transfers the error to the non-sensitive direction of machining, so that the gear ring positioning can be rapidly realized, and the machining efficiency of the gear ring is improved; the end face will not be deformed and the error reflection problem will not occur under the large magnetic force, and the clamping force will not affect the precision of the end face grinding process. The electric permanent magnetic chuck is adopted for clamping, so that the deformation problem of the clamping position in the traditional clamping mode is avoided, and the end face grinding production efficiency is improved.

The utility model provides a grab bucket device and engineering equipment. A grab bucket device comprises a connecting pipe, a plurality of oil cylinder lug plate assemblies, a claw arm mounting seat and a plurality of claw arm lug plate assemblies, the first end of the connecting pipe is used for being connected with a mechanical arm of engineering equipment, the oil cylinder lug plate assemblies are detachably mounted on the connecting pipe, the claw arm mounting seat is mounted at the second end of the connecting pipe, and the claw arm lug plate assemblies are detachably mounted on the claw arm mounting seat. The multiple claw arm lug plate assemblies are detachably installed on the claw arm installation base, and the multiple oil cylinder lug plate assemblies and the multiple claw arm lug plate assemblies are arranged in a one-to-one correspondence mode in the axial direction of the connecting pipe.

The application discloses a kind of intelligent injection devices for microbial oil displacement injection agent, including operation platform, operation platform includes storage area, output area and support area, storage area includes microorganism monitoring unit and sampling tube;Nutrient additive unit;Microbial injection unit;Control area;Control area further includes: adjustment assembly, set in control area, according to the detection result of microorganism monitoring unit to control microbial injection amount;Injection assembly for intelligently injecting nutrient agent into oil reservoir formation is provided in the inside of output area;And central control panel is set on support area, this microbial oil displacement injection agent intelligent injection device, using adjustment assembly can effectively inject the right amount of oil displacement and plug removal type microorganism, change the number of microorganisms under oil reservoir formation, avoid the condition of plugging, so that the subsequent injection of nutrient agent can be fully absorbed by microorganism, to improve the purpose of oil displacement efficiency.

The utility model discloses a high-temperature powder heat exchanger. The high-temperature powder heat exchanger comprises a shell, wherein the shell comprises a cavity extending in the first direction; a feed port is formed in the top of the shell edge, and a discharge port is formed in the bottom of the shell edge. The heat exchange device is arranged in the shell and comprises a plate bundle assembly. The plate bundle assembly comprises a medium runner and a powder runner. The plate bundle assembly comprises a plurality of heat exchange plates arranged at intervals in the second direction. A powder runner is defined by every two adjacent heat exchange plates. Each heat exchange plate extends in the first direction and is provided with a medium flow channel. A small water inlet pipe and a small water outlet pipe are arranged on one side, in the second direction, of each heat exchange plate. In the first direction, the small water inlet pipe and the small water outlet pipe are arranged close to the discharging port, and the small water outlet pipe is arranged above the small water inlet pipe. And the cooling water inlet and outlet small pipes are close as much as possible to reduce the swell difference between the two small pipes, thereby ensuring the safe use of the high-temperature powder heat exchanger.

The utility model relates to the technical field of dry ice slow-release devices, in particular to a greenhouse dry ice slow-release device which comprises a slow-release box set, the slow-release box set comprises a dry ice box, the bottom end of the inner wall of the dry ice box is connected with a frame plate, the bottom end of the back face of the dry ice box is connected with a water outlet pipe, and the top end of the inner wall of the dry ice box is connected with a supporting plate. And a plate set is installed on the surface of the supporting plate and comprises a box cover, vent holes are formed in the surface of the box cover, and a shielding plate is slidably installed on the surface of the box cover through a sliding groove. Dry ice is cut into small blocks and then laid in the dry ice box, the dry ice can be partitioned through the partition plate, the shielding plate moves in the guide groove in the surface of the box cover, the number of the vent holes in the box cover can be changed, then the free evaporation rate of the dry ice is controlled, and water flows through the spraying pipe and then is sprayed out of the nozzle end. The dry ice in the dry ice box can be quickly evaporated and atomized, and the controllability of the dry ice is further improved.

This utility model discloses a modular stator structure, characterized by comprising several stator core blocks arranged in an I-shape, each composed of a yoke and stator teeth, forming an integral stator core. Stator slots are formed between adjacent stator core blocks, and the stator teeth are T-shaped, with slot openings communicating with the slots between adjacent teeth. The structure also includes a filler for changing the number of stator slots without altering the stator core diameter. This utility model utilizes several stator core blocks assembled into an integral stator core, with each block composed of a yoke and stator teeth. The entire stator core is modularly assembled, which effectively improves utilization, saves silicon steel material, and reduces costs when pressing silicon steel sheets using a press.

The utility model relates to material turning baffle technical field discloses a kind of coarse mill baffle material turning device, including first baffle, second baffle and third baffle, second baffle and third baffle are sequentially spliced in the front end of first baffle, and form ladder shape, still be provided with the long screw rod that is through the first baffle, second baffle and third baffle are penetrated, the end of long screw rod is fixed with the abutment plate that is attached to the surface of third baffle, and the outer ring of other end of long screw rod is connected with the nut that is abutted on the surface of first baffle by screwing, the bottom both sides of first baffle, second baffle and third baffle are provided with arc edge.The utility model technical scheme is changed into three-stage ladder baffle by the original baffle, utilizes roller rotation power and baffle left and right propulsion power, so that ceramic raw materials are automatically turned when being pushed by reaction force through ladder position, realize automatic material turning action, reduce worker's labor intensity, effectively avoid the phenomenon that material turning times are not enough, and improve material turning efficiency.

This utility model discloses a secondary core-shooting casting device for agricultural machinery valves, including a casting mold support block. A casting groove is formed on the top surface of the casting mold support block, and a cooling chamber is formed inside the casting mold support block. A water outlet connector connected to the cooling chamber is installed on one side of the casting mold support block, and a connecting frame connected to the cooling chamber is installed on the other side of the casting mold support block. A water inlet connector is bolted to one side of the connecting frame. Multiple limiting vertical plates are installed inside the cooling chamber, and several baffles are provided inside the cooling chamber. The baffles are sleeved on the outside of the limiting vertical plates, and a limiting component that presses down on the baffles is installed on one side of the connecting frame. This utility model controls the baffles to block the water passages in a portion of the cooling chamber, reducing the coolant flow rate in that area and thus adjusting the cooling efficiency in that area. The coolant flow rate is higher where there are fewer baffles and lower where there are more baffles, ensuring the quality of the casting.

The application discloses a variable-diameter steel wire rope decontamination device, which comprises a decontaminator and an axial limiter, and the decontaminator comprises a variable-diameter mechanism and a decontamination cutter. The variable-diameter mechanism comprises variable-diameter blocks, a rotating disc, a fixed disc, a positioning shell and rotating blocks. The rotating disc and the fixed disc are uniformly distributed with the variable-diameter blocks in the circumferential direction. The rotating disc is uniformly distributed with first track grooves in the circumferential direction, and the fixed disc is uniformly distributed with second track grooves in the circumferential direction. The upper and lower surfaces of the variable-diameter blocks are respectively slidably installed in the corresponding track grooves of the fixed disc and the rotating disc through bosses. One end of the variable-diameter block is provided with an open groove, and the open groove is provided with a rotating block. One end of the rotating block is provided with a recess, and the decontamination cutter is elastically installed in the recess. The positioning shell is arranged outside the rotating disc and the fixed disc, and the positioning shell is fixedly connected with the fixed disc. The positioning shell and the rotating disc are adjustably connected in the circumferential direction. The application has the advantages of small size, low cost, high decontamination efficiency, adaptability to various diameter series of steel wire ropes, quick installation and replacement and the like.

The invention discloses a quantity-controllable mechanical ball feeder, and relates to the technical field of ball feeders, according to the scheme, the quantity-controllable mechanical ball feeder comprises a support and a ball storage box fixedly mounted at the top of the support, the bottom end of the ball storage box is fixedly connected with a first connecting pipe, and the two sides of the support are fixedly connected with a first cross rod and a second cross rod respectively; according to the steel ball feeding device, the pushing reset mechanism can drive the connecting pipes to move back and forth, the lifting discharging mechanism can drive the second connecting pipes to stretch out and draw back, steel balls can be quantitatively added each time, and the number of the added steel balls each time can be changed; and a lever pushing mechanism and a mechanical pushing mechanism are arranged, so that a pushing reset mechanism and a second connecting pipe can be driven to move under the power-on condition and the power-off condition, quantitative adding of the steel balls is achieved, the ball adding machine can adapt to different use conditions through two driving modes, and therefore the practicability is improved.