431 results about "Single tube" patented technology

The utility model relates to the technical field of pipe cutting devices, in particular to an automatic cutting device for a three-way pipe fitting. According to the technical scheme, the device comprises a base, a sliding table is slidably mounted at the top of the base, a single-pipe-head clamping plate is fixedly mounted at the top end of the sliding table, a protective baffle is fixedly mounted on the side, away from the sliding table, of the top of the base, a transverse moving frame plate is slidably mounted at the top end of the sliding table, and a first rubber column head is clamped and inserted into the transverse moving frame plate; a double-pipe-head clamping assembly is fixedly installed at the top end of the base, two clamping plates are arranged on the double-pipe-head clamping assembly, and second rubber column heads are fixedly installed on the inner side walls of the clamping plates. By means of the single-pipe-head clamping plate and the double-pipe-head clamping assembly, any port of the three-way pipe can be clamped and fixed, the pipe positioning difficulty is reduced, the rubber column heads support the inner walls of the pipe heads, the deformation probability during pipe cutting can be reduced, cutting is convenient, and the production efficiency is effectively improved.

The invention discloses a multi-stage self-triggering type liquid carbon dioxide grading fracturing method. The method comprises the following steps that early-stage preparation work is conducted on a multi-stage self-triggering type fracturing pipe; liquid carbon dioxide is filled into the multi-stage self-triggering type fracturing pipe; the multi-stage self-triggering type fracturing pipe is placed in a drill hole in the target fracturing position and then connected with an exploder; the exploder is started, and the multi-stage self-triggering type fracturing pipes conduct multi-stage fracturing in sequence; and after fracturing is completed, the multi-stage self-triggering type fracturing pipe is recycled for reuse. The grading self-triggering fracturing device is constructed on the basis of the gas transfer rule and the memory alloy material, the liquid carbon dioxide single-point excitation and multi-stage self-triggering grading fracturing method is provided, and the problems that power of a liquid carbon dioxide fracturing single pipe is insufficient, and wiring of multiple pipes is complex are solved.

The invention discloses a comprehensive evaluation method and device for toughness of a water supply pipe network system and a computer medium. Firstly, hydraulic model parameters of a water supply pipe network are obtained; then, a low-stress scene, a medium-stress scene and a high-stress scene are constructed, the low-stress scene is constructed according to historical water demand data, the medium-stress scene is constructed by superimposing pipeline failure on the basis of the low-stress scene, and the high-stress scene is constructed by superimposing fire working conditions on the basis of the medium-stress scene; according to the hydraulic model parameters of the water supply pipe network, the water supply amount and the water demand amount of the water supply pipe network in a low-stress scene, a medium-stress scene and a high-stress scene are calculated respectively; and finally, according to the water supply amount and the water demand amount of the water supply pipe network in the low-stress scene, the medium-stress scene and the high-stress scene, calculating a plurality of strain indexes for quantifying the toughness of the water supply pipe network system. According to the method, the system toughness of the water supply pipe network is evaluated at low calculation cost through scene simulation of only traversing the single pipe failure and superposing the single-point fire working condition on the basis of the single pipe failure.

A fluid controlled system for a cardiac assist device and its method of operation. The cardiac assist device has a cup assembly with a receptacle area. The cup assembly has at least one inflatable membrane that expands into the receptacle area. A single pressure tube connects the cup assembly to a fluid pump. A valve assembly is incorporated into the cardiac assist device. The valve assembly includes at least one valve that controls fluid flow between the inflatable membranes and the pressure tube and / or fluid flow between the receptacle area and the pressure tube. The valve assembly controls fluid flow to advance the cup assembly onto the heart, to maintain the cup assembly in an operable position, to operate the cup assembly, and to remove the cup assembly.

The invention discloses a method and a device for determining a gas reservoir water plugging and pore plugging radius boundary based on a capillary tube bundle, and the method is characterized in that the method comprises the following steps: collecting physical property data of a tight gas reservoir, and obtaining a capillary tube bundle pore diameter sample set; according to the capillary tube bundle pore diameter sample set, single-tube gas-water two-phase flow is calculated one by one; accumulating the single-tube gas-water two-phase flow to obtain the total flow of a capillary tube bundle under different water saturations, and obtaining a simulated water-gas ratio according to the total flow of the capillary tube bundle; according to the simulated water-gas ratio, obtaining a global optimal solution of the maximum permissible plugging pore radius; and obtaining a field recommendation scheme according to the global optimal solution of the maximum allowable plugging radius. According to the method, the critical plugging aperture under different reservoir conditions can be accurately identified, and the gas production capacity and the water control effect are effectively considered.

The application provides a double-motor spray cooling system, a power assembly and a vehicle, and relates to the technical field of vehicle parts. The double-motor spray cooling system comprises a liquid supply pipe, a first spray branch pipe, a second spray branch pipe and a liquid supply structure. An isolation wall is arranged in the liquid supply pipe, and the isolation wall divides the inner cavity of the liquid supply pipe into parallel first and second liquid supply flow channels. The liquid inlets of the first and second liquid supply flow channels are in communication with the liquid outlet of the liquid supply structure to obtain cooling liquid. The liquid outlet of the first liquid supply flow channel is in communication with the first spray branch pipe, and the first spray branch pipe is used for spraying and cooling the first motor. The liquid outlet of the second liquid supply flow channel is in communication with the second spray branch pipe, and the second spray branch pipe is used for spraying and cooling the second motor. Through integrated design of the single-pipe double-flow channel, the pipeline structure of the double-branch liquid supply is integrated into a single liquid supply pipe, thereby effectively simplifying the pipeline layout of the double-motor spray cooling system and reducing the installation space occupied by the pipeline.

The utility model belongs to the field of metering, and relates to a single-tube self-vibration type Coriolis flowmeter which comprises a shell, a measuring tube, a vibration swing arm and a measuring assembly. The measuring tube is arranged in the shell; the vibration swing arm is arranged on the measuring tube and synchronously vibrates along with the measuring tube; the measuring assembly is arranged in the shell and measures the amplitude of the vibration swing arm. The utility model provides the single-tube self-vibrating Coriolis flowmeter which is low in pipeline stress deformation and high in measurement precision.

The utility model belongs to the technical field of rock drilling cars, and particularly relates to a single-pipeline confluence dust collecting device which comprises a dust remover body, connecting blocks are symmetrically connected to the bottom surface of the dust remover body, and rock drilling car bodies are connected to the bottom surfaces of the connecting blocks. Through mutual cooperation of the connecting block, the positioning block, the two-way screw rod, the rotating handle, the moving block, the sliding block and the limiting insertion block, when an operator needs to detach the dust remover body for maintenance, the operator only needs to rotate the handle to drive the two-way screw rod to rotate, the moving block on the two-way screw rod can drive the sliding block to move, and then the dust remover body can be detached. At the moment, the sliding block drives the limiting inserting block to be sequentially separated into the inserting groove and the limiting groove, the positioning block can be separated out of the positioning groove, an operator can lift the dust remover body, and the dust remover body can be detached from the rock drilling vehicle body without a tool, so that the operation time is saved, and the working efficiency is improved. And convenience is brought to maintenance work of operators.

The application discloses a kind of communication tower inner flange carbon fiber reinforcing devices, it is related to flange reinforcing equipment technical field, including first fastener, second fastener, fastening plate, fastening band.In the application, the inner flange node of communication tower single-pipe tower is reinforced, which can improve the bearing capacity of the inner flange structure;The reinforcing device of the application is arranged at the inner flange node of the single-pipe tower, and the first fastener and the second fastener are arranged at the inner flange node, wherein the first fastener is fixedly arranged on the outer side of the circular pipe in the direction of the circular pipe to improve the bearing capacity of the circular pipe, and the second fastener binds the first fastener on the outer side to improve the bearing capacity of the circular pipe;The embodiment of the application can realize more efficient fixation of the inner flange node, solve the problem of insufficient strength of the inner flange node bolt and the stiffened plate, and reduce the stress amplitude of the inner flange node bolt, thereby improving the bearing capacity of the inner flange structure.

This invention discloses a switching valve for multi-pipe fluid mixing and single-pipe fluid alternation metering, comprising a main body and a valve plate; the rear side of the main body is provided with a mixing fluid outlet and a metering fluid outlet; the main body contains a mixing chamber and a metering chamber, the mixing chamber being connected to the mixing fluid outlet and the metering chamber being connected to the metering fluid outlet; the valve plate is rotatably disposed in the main body; the front side of the main body is provided with multiple fluid inlets distributed on the same circle; the valve plate is provided with multiple first flow holes, the front port of each first flow hole being correspondingly arranged with the rear port of each fluid inlet, the rear port of one first flow hole being connected to the metering chamber, and the rear ports of the remaining first flow holes being connected to the mixing chamber. This achieves the purpose of metering any well in multiple wells and aggregating the remaining wells, eliminating the need to install a metering device in each well, requiring only one metering device connected to the metering fluid outlet of this switching valve, thus reducing overall costs.

Cleaning equipment and devices are provided for fin fans that includes one or more blasting nozzles configured to propel a cleaning media from the blasting nozzle towards the fin fans to remove fouling on the fin fans, for instance, caused by dirt, dust, grease, plants, condensation and the like. The blasting nozzle if configured to propel a cleaning media, such as dry ice, that cleans the fin fans while minimizing risk of damage to the fin fans and also minimizing environmental impact associated with the cleaning activities. The cleaning equipment may be a single-hose, double-hose, or triple-hose system depending on the specific operating parameters and desires of a user. The cleaning equipment may include additional features, for instance, a fragmenter configured to break up dry ice particles, and / or a handle, trigger, and / or controls to manage operation of the device.

The disclosure provides a thin film capacitor assembly and a motor controller, and belongs to the technical field of motors. The thin film capacitor assembly comprises a plurality of cooling pipes, a plurality of columns of silicon carbide single pipes and a plurality of columns of capacitor cores. The plurality of cooling pipes are arranged side by side, and a cooling channel is formed between adjacent two cooling pipes, and the cooling pipes have cooling liquid. Each column of silicon carbide single pipes is located in a cooling channel, and each column of capacitor cores is located in a cooling channel, and the silicon carbide single pipes and the capacitor cores are located in different cooling channels. In this way, the heat dissipation effect inside the thin film capacitor assembly can be better, the temperature of the thin film capacitor assembly can be prevented from being too high, and the temperature resistance of the thin film capacitor assembly can be improved.

The invention discloses an inner flange single-pipe tower local anti-bending and anti-shearing rigidity reinforcing device and method.The reinforcing device comprises an upper circular channel steel, a lower circular channel steel, structural ribs, an inner flange reinforcing rib connecting structure and a fixed prestress spring structure; the upper circular channel steel and the lower circular channel steel are connected through structural ribs; fixed prestressed spring structures are arranged in grooves of the upper circular channel steel and the lower circular channel steel; inner flange reinforcing rib connecting structures are arranged at the bottom of the upper circular channel steel and the top of the lower circular channel steel; the upper circular steel channel and the lower circular steel channel are each formed by splicing two C-shaped steel channels, and the two C-shaped steel channels are fixed through circumferential gap filling rubber. By means of the design, on the basis that the external structure of the inner flange single-pipe tower is not changed, the bending rigidity of the local dangerous section is improved, the shearing force of the dangerous section is reduced, and then the technical effect of enhancing the strength of the flange plates of the two-section single-pipe tower is achieved.

The utility model discloses a low-pulsation high-capacity external rotation multi-pipe parallel peristaltic pump. A driving mechanism, a roller rotating mechanism and a pipeline mechanism are arranged on a mounting bedplate; the pipeline mechanism comprises an extrusion sleeve, inlet and outlet liquid distribution pipes and hoses, the liquid distribution pipes are arranged in the extrusion sleeve in the vertical direction, the multiple hoses are arranged on the outer side of the extrusion sleeve in parallel and at equal intervals in the vertical direction, and the two ends of each hose are connected with the liquid distribution pipes respectively; the roller rotating mechanism is positioned outside the hose and is connected with the driving mechanism; the driving mechanism drives the roller rotating mechanism to rotate and extrude the hoses, the single-pipe-multi-pipe-single-pipe fluid conveying process is achieved, continuous and uniform time differences exist when all the hoses are extruded and loosened, and continuous low-pulse fluid conveying is achieved. The peristaltic pump has the advantages of being low in abrasion loss of the inner wall of the hose and high in continuous filling precision, pulsation during fluid transmission is reduced, and the problems that in an existing peristaltic pump, due to the fact that the inner wall of the hose is seriously abraded, a large number of particles are generated, fluid is polluted, and the continuous filling precision is low are solved.

The utility model relates to an inversion brick based on a single-tube double-sided heat dissipation module. The inversion brick comprises a driving control panel and a power module. The driving control panel is positioned above the power module and is electrically connected with the power module; radiators are arranged on the upper surface and the lower surface of the power module; the driving control board is provided with an avoiding area, and the radiator located on the upper surface of the power module penetrates through the avoiding area. According to the utility model, under the condition of satisfying double-sided heat dissipation, no extra support is needed, the power density and the size can be further reduced, and the power density and the integration level of a system are improved.

The invention discloses a method for optimizing the stand column position and the framework section of a sunlight greenhouse of a single-tube arch structure. The method comprises the steps that a three-dimensional finite element model comprising an arch frame, stand columns and straining beams is established; determining the optimal distance from the stand column to the north wall through parametric analysis; sensitivity analysis is carried out, and key skeleton section parameters influencing the allowable snow load are identified; establishing a random forest model to establish a relationship between different skeleton section parameter combinations and allowable snow load values; and on the basis of the allowable snow load value predicted by the random forest model, the optimal skeleton section combination is determined in combination with the calculated steel consumption. The optimal stand column position can be effectively determined, the ultimate bearing capacity and the allowable snow load value of the arch structure are remarkably improved, meanwhile, the steel consumption is reduced by optimizing the cross section of the framework, the technical problem that the structural safety and economical efficiency of a large-span sunlight greenhouse under the snow load condition are difficult to balance is solved, and the construction cost is reduced. And a reliable theoretical basis and a practical optimization means are provided for the design of the sunlight greenhouse.

1. Name of the design product: lamp holder of bathroom heater (single tube universal lamp holder of bathroom heater) 2. Use of the design product: the product design is used for the lamp holder of single tube bathroom heater. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses a wellhead high-pressure fluid precise pressure control and multi-pipeline self-adaptive flow dividing device, and belongs to the technical field of oil and gas exploitation auxiliary devices. The device comprises a wellhead connecting pipe, a throttle valve and a first collecting pipe which are connected in sequence, the first collecting pipe is connected to the second collecting pipe through a first shunt pipe, a second shunt pipe and a third shunt pipe which are connected in parallel; an electric stop valve, a pressure sensor and a gas-liquid metering device are arranged at an inlet of each shunt pipe; the device is further provided with a controller which is electrically connected with the pressure sensor, the metering device, the throttling valve and all the stop valves. The controller adjusts the opening degree of the throttling valve through a closed loop, and the pressure of the fluid is precisely reduced to target pressure; meanwhile, according to the real-time pressure and gas-liquid ratio data of all the pipelines, the started flow dividing pipelines are automatically switched according to a preset threshold value; the problems that pressure reduction of existing wellhead high-pressure fluid is unstable, the single-pipeline adaptive working condition is single, and gas-liquid metering and flow dividing collaboration is poor are effectively solved.

The invention discloses a whole-house fresh air system and a whole-house five-constant system for introducing fresh air through an active vertical air duct, after fresh air is fed into a public space from a single-tube-pass two-way flow whole-house fresh air system, the fresh air is introduced into the public space under the pushing of a pressure difference jointly formed by the positive pressure of the public space, the suction negative pressure in a room and the pumping and discharging of a relay power point position; and the fresh air is fed into a room through a bent conveying channel formed by the first air opening, the second air opening and the air duct flow channel of the active vertical air duct, and fresh air replacement is achieved. Moreover, the first air opening and the second air opening of the active vertical air duct are oppositely arranged in an up-down staggered manner, so that sound waves in a living room aisle and a room can enter and exit from the room through the whole course and twice large-angle turning of the vertical air duct, and fresh air in a public space can be guided into the room while the inside and the outside of the room are communicated; three-dimensional flowing of fresh air flow is effectively driven, sound wave transmission inside and outside a room is blocked, and the sound insulation effect is good.

The utility model relates to a constant-pressure pipe washing device for a single J pipe. The constant-pressure pipe washing device comprises a sleeve, a push rod, a cross rod and a rotary chuck, the push rod is arranged in the sleeve, a containing cavity is formed in the cross rod, and a rotary clamping head is arranged in the containing cavity; the rotary chuck is rotationally connected with the cross rod; the rotating clamping head comprises a disc, a vertical rod and a rotating head, a clamping cavity is formed in the disc, an opening is formed in the clamping cavity, and the push rod enters the clamping cavity through the opening and is fixed in the clamping cavity under rotation of the rotating clamping head; the push rod comprises a push rod head, a push rod main body, a push-pull rod, a constant force spring and a piston; notches are formed in the two sides of the sleeve, and the push-pull rod is located in the notches, moves in the notches along with traction of external force and drives the push rod; the tube washing device has the advantages that family members of a patient can conveniently wash tubes for the patient at home, the discomfort of the patient is reduced, and the purposes of preventing tube blocking and infection are achieved.

The utility model discloses a kind of assembly structure of integrated positive and negative pole plate, it is related to electrode design technical field, including several row pipes, the row pipe has several single pipes and is formed into horizontal arrangement, the top of row pipe is provided with two sheaths, two the sheaths are symmetrically arranged at the two sides of row pipe, and one end of the sheath is equipped with electrode contact point, compared with prior art traditional single-sided electrode plate, positive and negative pole plate needs to be staggered, and the structure of gap for another polarity row pipe insertion needs to be reserved between the same polarity row pipe, by forming integrated design by separating positive and negative pole and arranging row pipe two sides, no need to control assembly gap when vertically assembling, not only greatly shorten assembly time, but also can reduce row pipe spacing, significantly save the space occupied by positive and negative pole plate whole after assembly.

The invention discloses a fin structure and an air conditioner in the technical field of ventilation devices, the fin structure comprises a windward side and a leeward side which are oppositely arranged, when a fin is used, the windward side faces the incoming flow direction, the fin is provided with a plurality of pipe holes, the pipe holes extend in the length direction of the fin, the pipe holes comprise common pipe holes located in the two sides of the width direction of the fin, and the common pipe holes are communicated with the leeward side. The common pipe holes located in the two sides are distributed in a staggered mode, the hole center connecting line corresponding to every two adjacent common pipe holes located in the two sides serves as a hole straight line, a plurality of single pipe holes are evenly formed in each hole straight line, and the included angle between every two adjacent hole straight lines ranges from 60 degrees to 150 degrees. By optimizing and adjusting the arrangement mode of the finned tube holes, when the space size of the heat exchanger in the vertical windward direction is limited, the heat exchange capacity can be improved without increasing the number of rows of the fins of the heat exchanger, and the cost can be reduced.

The utility model discloses a multi-pipe modularized closed slurry filtering device which comprises a slurry filtering closed shell, a plurality of filtering module supporting pipes which are horizontally arranged are arranged in the slurry filtering closed shell, and a plurality of slurry filtering plates which are communicated inside and outside are arranged on the side walls of the filtering module supporting pipes; a plurality of clear liquid discharging pipes are fixed to the outer side wall of the slurry filtering closed shell, the ends, extending into the slurry filtering closed shell, of the clear liquid discharging pipes are sleeved with end closed restraining pipes, and the multiple filtering module supporting pipes are coaxially arranged in the end closed restraining pipes in a one-to-one correspondence mode and communicate with the clear liquid discharging pipes; the multiple filter module supporting pipes are integrated and combined together, a large amount of slurry can be filtered at the same time, the multiple filter module supporting pipes can work in parallel, and compared with single-pipe filter equipment, more slurry can be treated in unit time.

The utility model provides a single tube sample positioning device, which comprises a support frame, a driving clamping arm, a driven clamping arm and a driving mechanism, the driving clamping arm is hinged on the support frame through a first hinge shaft, the driven clamping arm is hinged on the support frame through a second hinge shaft, the first hinge shaft is sleeved with a first torsion spring, the second hinge shaft is sleeved with a second torsion spring, and the driving mechanism is arranged on the support frame. The driving clamping arm and the driven clamping arm are arranged on the supporting frame, so that the driving clamping arm and the driven clamping arm clamp a test tube together, a first clamping groove is formed in the driving clamping arm, a second clamping groove is formed in the driven clamping arm, and the driving mechanism is mounted on the supporting frame; the driving mechanism is used for driving the driving clamping arm and the driven clamping arm to be away from each other to be opened and used for increasing the clamping distance between the first clamping groove and the second clamping groove. The device effectively solves the problem of eccentricity of the test tube in the sample suction process, greatly reduces the risk of collision between the sample suction needle and the test tube, improves the sample positioning precision, enhances the operation stability of equipment, and reduces the operation and maintenance cost.

1. The name of the design is: bearing sealing interface disc (mortise and tenon type). 2. The design is used for single tube exhaust connection sealing. 3. The design point of the design is in shape. 4. The figure that best shows the design point of the design is the front view. 5. The reason for omitting the view: the rear view is the same as the front view, so the rear view is omitted; the right view is the same as the left view, so the right view is omitted; the top view is the same as the bottom view, so the top view is omitted.

The application discloses a tube bundle structure with a turbulent flow function in a shell-and-tube equipment, which comprises a plurality of independent single tubes (1), and the open ends of the plurality of single tubes (1) are respectively inserted into mounting holes (3) provided on both sides of tube plates (2); the single tube (1) is characterized in that a helical blade (4) for generating a turbulent flow of a flowing medium in the single tube (1) is inserted into each single tube (1); the length of each helical blade (4) corresponds to the length of each single tube (1); the width of each helical blade (4) corresponds to the diameter of each single tube (1); the helical blade (4) is inserted into the single tube (1) along the axial direction of the single tube (1) and penetrates through the whole single tube (1); and the helical blade (4) is mounted in the single tube (1) through a detachable connecting structure. The application can improve the heat exchange efficiency under the condition of reducing the processing difficulty and manufacturing cost, and is convenient to replace and maintain.

The invention discloses a high-capacity sea wind converter single-tube fault-tolerant operation method, a storage medium and equipment, a healthy half-bridge arm in a fault bridge arm and a half-bridge arm at a complementary position of the healthy half-bridge arm are used for reconstruction, a split inductance type composite clamping bridge arm is formed, and single-tube fault-tolerant operation is realized. According to the optimized fault-tolerant operation mode, the power loss of a switch tube in the converter is shared by a plurality of radiators in a fault phase, so that the single-tube fault-tolerant operation power limit of the converter can be improved on the basis of reducing the operation temperature of the switch tube and keeping the temperature balance of the radiators, and the power generation loss is further reduced.

The utility model discloses a pipeline arrangement structure of a bucket rod oil cylinder of an excavator, belongs to the field of pipeline arrangement of engineering machinery, and solves the problem that an anti-explosion pilot pipeline and a high-pressure working pipeline interfere with each other in the prior art. The device mainly comprises a movable arm, a lug seat is arranged on the movable arm, the lug seat is connected with a bucket rod oil cylinder through a pin shaft, and the bucket rod oil cylinder is connected with a high-pressure working pipeline; a screw seat is arranged on the lug seat, and an anti-explosion pilot pipeline is fixed on the screw seat; the anti-explosion pilot pipeline is connected with the bucket rod oil cylinder; the anti-explosion pilot pipeline and the high-pressure working pipeline are fixed to one side of the bucket rod oil cylinder through a pipe clamp assembly. The pipe clamp assembly comprises a mounting base, and a fixing hoop, a single pipe clamp and a double pipe clamp are arranged on the mounting base. According to the pipeline fixed to the bucket rod oil cylinder, the high-pressure working pipeline and the anti-explosion pilot pipeline are both fixed to the bucket rod oil cylinder through the fixing hoop, the single-pipe clamp and the double-pipe clamp, the anti-explosion pilot pipeline and the high-pressure working pipeline do not interfere with each other and do not affect each other, and the situation that the pipelines shake does not exist.

This invention discloses a powder material weighing and metering device and method, relating to the field of powder material weighing technology. The invention includes a frame, a top box, a storage tank, a movable seat, a discharge pipe, and a feeding platform. The top box is fixed to the top of the frame, the movable seat is fixed to the periphery of the frame, the storage tank is fixed to the movable seat, and the discharge pipe is fixed to the bottom of the storage tank with screws. The feeding platform is fixed to the periphery of the frame directly below the movable seat. The storage tank of this invention can be assembled into a single tank or a double tank. In the single tank configuration, the mixing shaft is integrated through a specific first plate, suitable for single-pipe discharge scenarios. In the double tank configuration, a second plate with a partition is used, and the mixing shaft is used separately on both sides, achieving dual-pipe discharge. Both tanks can be loaded with the same or different powder materials for weighing and metering. Furthermore, when used in a dual-station configuration, both stations can be used simultaneously or independently, meeting different production needs.

1. Name of the designed product: single tube scooter. 2. Use of the designed product: for children to ride and play. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.