127results about "Impeller wheels" patented technology

The invention belongs to a part surface treatment technology, and relates to an adhesive-tape-free shot blasting protection tool for a blade with a hole cavity and a manufacturing method of the adhesive-tape-free shot blasting protection tool. Comprising a left metal shell, a right metal shell, a left rubber profiling protective sleeve, a right rubber profiling protective sleeve, a base, an air inlet plug, a butterfly nut, a threaded rod and a connecting rotating shaft. The blade, the rubber profiling protection sleeve and the metal shell jointly form a complete protection structure, so that the whole blasting forbidding area is not impacted and permeated by shot jet flow, and all protection requirements of the advanced engine blade tenon shot blasting process with a complex inner cavity structure are met. The thickness of the metal tool is smaller than that of a traditional hard rubber base, and structural interference on the stress face of the tenon and the tenon tooth of the blade is remarkably reduced; the installation mode of the tool is simple, positioning points are reasonable and accurate, after an operator masters the using method, the clamping state of each blade can be kept consistent, and compared with a traditional method, the method can improve the consistency and stability of the protection effect of the spraying forbidding area.

The present invention relates to a container which can extinguish a fire by drilling a container door with water pressure to form a fire extinguishing hole and then spraying water when a fire occurs in a container, and which can quickly extinguish a fire by means of vertical height adjustment without being limited by the height of a multilayer stacked container. The invention discloses a hydraulic drilling spray gun for box fire extinguishment.

The invention discloses a method for reducing surface mucosa of a tooth-shaped powder metallurgy die, and belongs to the field of parts for transmitting torque in electric tools and engines. In the jet polishing process of the surface of the middle die step of the tooth-shaped powder metallurgy die, a rubber-diamond mixed material is adopted as a jet abrasive material, the rubber-diamond mixed abrasive material is conveyed into a throwing wheel system in a belt conveying mode, the initial speed of jet fluid is controlled to be 28.3 m / s by adjusting the centrifugal force of an impeller, and the jet polishing process is completed. Million of grinding materials make contact with the surface of the tooth-shaped powder metallurgy die in a sliding mode, the grinding effect is achieved under efficient impact, and finally the polishing effect is achieved. According to the invention, the discharge stress can be obviously eliminated, the surface smoothness is improved, the smoothness is increased, the purpose of preventing powder from sticking films is achieved, and meanwhile, the yield can be greatly increased.

The utility model relates to the field of shot blasting machines, in particular to a shot blasting machine blade convenient to quickly disassemble and assemble, which can solve the problems that a positioning structure provided in the background technology is complicated, the maintenance is difficult once a fault occurs, the whole blade is of an integral structure, sometimes, the whole blade needs to be replaced when the end part of the blade is damaged, and the working efficiency is high. And materials are wasted. Comprising a blade body with guide cavities formed in the left side and the right side, the blade body comprises a plurality of blade branch bodies spliced inside and outside, and first splicing structures matched with each other are arranged on the inner end faces and the outer end faces of the blade branch bodies; and the inner end part of the blade main body is spliced with the impeller fixing seat through a second splicing structure. The first splicing structure comprises a clamping block fixed to the inner end face of the blade support, and a first clamping groove matched with the clamping block is embedded in the outer end face of the blade support. The device is simple to operate, convenient to use and suitable for various types of shot blasting machines.

Proposed is a motorized drill lance apparatus for extinguishing vehicle fires, the apparatus including a height-adjustable cart configured to move and be located underneath an electric vehicle battery, and a drill module configured to drill a hole into the electric vehicle battery using the power of a motor while in close contact with the electric vehicle battery, and then inject water into the electric vehicle battery through the drilled hole to extinguish a fire occurring in the electric vehicle battery.

The present invention relates to a water drill lance for extinguishing a fire in a container, which, when a fire occurs in a container, can extinguish the fire by automatically drilling a fire-extinguishing hole through a container door by means of a hydraulic pressure and then spraying water into the container, and can quickly extinguish a fire regardless of the height of containers stacked in multiple layers through vertical height adjustment.

The utility model relates to an efficient energy-saving impeller head, and belongs to the field of impeller heads, the efficient energy-saving impeller head comprises a base, a shell with a bottom opening is fixedly arranged on the base, the shell comprises a top plate, two side plates and two main plates, the top plate, the two side plates and the two main plates jointly define a cavity, one main plate is provided with a through hole, one side of the main plate is provided with a motor, and the other side of the main plate is provided with a motor; an output shaft of the motor extends into the cavity through the through hole, a bearing is arranged at the position, corresponding to the through hole, of the output shaft of the motor, the output shaft of the motor is connected with the main board through the bearing, an impeller and blades are arranged in the shell, and the motor drives the impeller to drive the blades to rotate. The impeller comprises two positioning rings with the same structure, clamping grooves are symmetrically formed in the two positioning rings, and the blades are clamped in the clamping grooves; positioning grooves are formed in the positions, close to the inner diameter of the impeller, of the clamping grooves, bosses clamped in the positioning grooves are fixedly arranged on the blades, the bosses are in an arc shape, and the bosses are matched with the positioning grooves. The impeller head has the effects that the stability of the output shaft of the motor is improved, and the service life of the impeller head is prolonged.

To provide a slurry projection body which can achieve high uniformity of processing and higher processing quality regardless of the position of a workpiece even when the processing is performed by projecting slurry with an impeller.SOLUTION: A slurry projection body includes: a shaft member formed with a slurry discharge hole for extracting slurry in which abrasive grains and a liquid are mixed; and an impeller disposed coaxially with the shaft member and disposed so as to be rotatable around an axis. The slurry projection body projects the slurry in conjunction with rotation of the impeller to cause the projected slurry to collide with the workpiece. The slurry discharge hole includes moving means which may move in a normal direction or a reverse direction of a rotation direction of the impeller.SELECTED DRAWING: Figure 3

To provide a blasting device for a wall surface that requires less manpower for work.SOLUTION: A wall-surface blasting device for performing blast treatment on a steel portion of a wall surface of a steel bridge, comprises a body portion and a lifting portion that lifts the body portion and causes the body portion to face the steel portion. The body portion includes: a projection unit that projects an abrasive material for the blast treatment; a collection unit that collects the abrasive material projected by the projection unit; and a circulation unit that supplies the abrasive material, collected by the collection unit, to the projection unit. A closed projection space in which the abrasive material is projected toward the wall surface is defined by its being closed by the wall surface while the body portion is kept facing the steel portion. The abrasive material projected from the projection unit in the closed projection space is collected by the collection unit, and the abrasive material is supplied to the circulation unit. The abrasive material supplied to the circulation unit is supplied to the projection unit, and the abrasive material is projected again from the projection unit.SELECTED DRAWING: Figure 1

This utility model provides a shot blasting machine, belonging to the technical field of shot blasting machines. The shot blasting machine provided by this utility model includes a feeding assembly, a shot blasting assembly, and a discharging assembly. The shot blasting assembly includes a working chamber, with the left side wall of the working chamber connected to the feeding assembly and the right side wall connected to the discharging assembly. An equipment compartment is located above the working chamber, and a shot blasting component is installed on the upper top wall of the working chamber. The shot blasting component includes a drive motor, a centrifugal chamber, and an outlet baffle. The drive motor drives the centrifugal component inside the centrifugal chamber to rotate. The lower end of the centrifugal chamber penetrates through the upper top wall of the working chamber and enters the working chamber. Two sets of outlet baffles are respectively located on the left and right sides of the outlet of the centrifugal chamber, adjusting the direction of the shot after it is ejected. The shot blasting machine provided by this utility model, with an outlet baffle at the outlet of the centrifugal chamber, restricts the ejection direction of the shot, increasing the probability of the shot hitting the casting and improving the uniformity of the shot blasting process.

To determine projection conditions of a projection material for processing a processing object with the desired strength.SOLUTION: A shot processing device 10 according to one embodiment comprises: the shot processing device 10 for projecting a projection material; a measuring apparatus 20 which receives the projected projection material, and outputs a signal waveform concerning wave motion caused by collision of the projection material; and a control apparatus 30 for controlling the shot processing device 10. The control apparatus 30 has: a processing condition acquisition part 41 which acquires a request intensity; a control part 34 which controls the shot processing device 10 so that shot processing is performed on a measuring apparatus 30 under first projection condition; a strength analysis part 47 which analyzes the signal waveform which has been outputted from the measuring apparatus 20 by shot processing on the measuring apparatus 20, thereby acquiring a measurement intensity; and a correction part 49 which corrects the projection condition of the shot processing device 10 to second projection condition from the first projection condition so that a difference between the request intensity and the measurement intensity becomes small.SELECTED DRAWING: Figure 2

The present invention relates to a drill gun device for fire extinguishing of a vehicle suitable for a motor mode, comprising: a height-adjustable trolley that moves and is disposed to the lower part of a battery of an electric vehicle; and a drilling module configured to drill a hole in the electric vehicle battery by means of power of the motor in a state in which the drilling module is attached to the electric vehicle battery, and then spray water into the electric vehicle battery through the drill hole, thereby extinguishing a fire occurring on the electric vehicle battery.

A kind of shot blasting machine blade, the present application relates to mechanical equipment technical field, it includes blade body;The working surface of one side of the blade body is convex surface structure, the convex surface structure is circular arc structure, and the center of the circle is located on the midline of the transverse section height direction of blade body;The non-working surface of the other side of the blade body is inclined surface structure.The convex surface of blade working surface, it is arched in the middle of blade working surface along length direction, the non-working surface is a slope, so that the distance between non-working surface and working surface gradually increases from the head of blade to tail, so that the distribution of projectile on blade is uniform, blade is balanced, wear-resistant, to improve the service life of blade.

The utility model discloses an impeller head with double rotary tables, and particularly relates to the technical field of impeller heads, the impeller head comprises a processing box, a bottom box and an impeller blasting box, the bottom end of the processing box is provided with a machine table, the bottom end of the machine table is provided with the bottom box, one side of the interior of the bottom box is provided with a side plate, the top end of the side plate is provided with a first motor, and the top end of the side plate is provided with a second motor. A first bevel gear is mounted on one side of the first motor, a second bevel gear is arranged on one side of the first bevel gear, a rotating shaft is arranged in the second bevel gear, and a rotating table is mounted at the top end of the rotating shaft. By arranging the rotating shaft, the rotating table and the machining tables, the two sets of machining tables are symmetrically installed on the rotating table for use, along with starting of the first motor, the first bevel gear and the second bevel gear are matched to drive the rotating shaft to rotate, and the two sets of machining tables can sequentially rotate through the side grooves to enter the machining box for machining treatment; and the processing efficiency of the impeller head is enhanced.

This invention relates to the field of shot blasting machine accessories technology, and discloses an alloy wear-resistant shot blasting machine blade, including a blade base, reinforcing ribs, and an embedding groove; the two sides of the blade base are integrally formed with limiting seats, and the embedding groove is transversely opened on the inner side of the blasting working part of the blade base. This alloy wear-resistant shot blasting machine blade, by rotating a spiral rod along the longitudinal position of the blade, drives the extrusion block A to move stepwise along equally spaced inclined grooves, which can continuously adjust the thickness of the wear-resistant propellant extending outward along the embedding groove, facilitating the reduction of the frequency of wear-resistant propellant replacement. By rotating a threaded adjusting rod along the transverse position of the blade, the extrusion block B is continuously moved upward along a stepped protrusion, thereby extruding the wear-resistant propellant in stages and exiting it through the embedding groove, facilitating the adjustment of the position of the worn wear-resistant propellant, reducing the frequency of replacement. Furthermore, by setting a replaceable and retractable adjustable alloy wear-resistant component, the shot blasting machine blade can achieve high wear resistance and reusability.

The present invention pertains to a handheld device for the application of an abrasive material to a surface, in particular for sandblasting. The invention also pertains to the use of a handheld device for the application of an abrasive material to a surface. The invention also pertains to a method for applying an abrasive material, in particular sand blasting, with a handheld device for the application of an abrasive material to a surface.

To reduce time and effort of a user.SOLUTION: A management system (100) includes a shot treatment device (20) for performing surface treatment of a workpiece by projecting projection material (26) from a projection mechanism (21) to the workpiece (W), and a management device (50). The management device calculates a necessary amount of the projection material or parts consumed by shot processing on the basis of information on a projection condition, information on projection time, and information on an initial value of a stock amount, and outputs information on a calculation result.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of shot blasting machines, and provides a rotary feeding steel bar shot blasting machine which comprises two long plates, a frame is fixedly mounted at the tops of the two long plates, and a casting pipe is fixedly mounted on the side surface of the frame and extends to two ends. The stirring head on the surface of the material ramming rod is driven by the power of the motor I to continuously rotate, so that the blast shots in the funnel pipe are stirred, the steel shots in the funnel pipe can be uniformly distributed, the steel shots are prevented from being accumulated in a certain area or forming dead angles, and the stirring head can be in contact with the key position of the shot feeding and discharging opening, so that the shot feeding and discharging efficiency is improved. According to the technical scheme, steel shots about to fall are pre-stirred, so that the steel shots flow more smoothly, the phenomenon of material blockage or blockage in the discharging process is avoided, the risk of equipment failure is greatly reduced, the stability and reliability of the whole production process are improved, and the problem that blockage is prone to occurring in the prior art is solved through the technical scheme.

The present invention discloses a drum-type shot blasting machine, comprising a shot blasting unit, a cleaning unit, a shot feeding unit and a control unit, wherein the cleaning unit comprises a first separation part in the shape of a funnel, a second separation part coaxially arranged with the first separation part and mounted on the inner wall of the first separation part, the second separation part protrudes upward and is in the shape of a cone or a sphere, a gap is formed between the edge of the second separation part and the side wall of the first separation part for impurities to fall, an exhaust fan for forming a downward wind speed is arranged on the inner wall of the first separation part, the exhaust fan is arranged below the second separation part, a collecting trough for the projectiles to fall is opened on the inner wall of the first separation part, and the outlet end of the collecting trough is connected to the shot feeding unit. The present invention has at least the following advantages: it can quickly and effectively separate the projectiles and impurities, has an optimized structure and a good separation effect.

The utility model discloses a device for losslessly adjusting the dynamic balance of an impeller body of an impeller head, which belongs to the technical field of impeller heads and comprises an impeller, a directional sleeve and an impeller. The impeller comprises two circular rings, and a plurality of blades are arranged between the two circular rings; an even number of fixed supporting rods are evenly arranged between the two circular rings in the circumferential direction, a copper column is fixedly arranged in each fixed supporting rod in the axial direction, and every two opposite fixed supporting rods in the diameter direction of the impeller form a set of adjusting units. In each group of adjusting units, the distances between the central axes of the copper columns and the central axes of the fixed supporting rods are consistent; in different adjusting units, the distances between the central axes of the copper columns and the central axes of the fixed supporting rods are different. Through the arrangement of the copper column in the fixed supporting rod, the position of the copper column is changed by rotating the fixed supporting rod to realize the change of the mass distribution of the impeller, so that the mass center position of the impeller is adjusted, the structure is simple, and the adjustment is simple and convenient.

The utility model relates to the technical field of shot blasting heads, in particular to a shot blasting head special for a hydraulic casting oil duct and capable of blasting shots in multiple directions. The shot blasting head mainly aims at solving the problems that a common shot blasting head mostly adopts a vertical mode for shot blasting, is difficult to use in a bent area in a hydraulic casting oil duct, increases a cleaning blind area in the shot blasting process, directly impacts the inner wall of the oil duct, increases damage to the oil duct, reduces the durable life and reduces the working efficiency. According to the technical scheme, the shot blasting head comprises a connecting piece, a guide assembly is arranged at the bottom of the connecting piece, a shot blasting pipe is arranged at the bottom of the guide assembly, and an inner channel of the shot blasting pipe is arranged in an L shape. The multi-directional shot blasting device realizes multi-directional shot blasting, improves the practicability of a complex casting oil duct, is beneficial to disassembly and replacement, and reduces the maintenance and replacement cost.

To achieve a technique which can easily add a function for notifying a user of the state of a projection device to the projection device.SOLUTION: A notification device (1) includes: a current sensor (11) which is provided in a projection device; and a processor (101) which executes determination processing (S12) for determining the state of the projection device by referring to current detected by the current sensor (11) without referring to a control signal for controlling the projection device and notification processing (S13) for notifying a result of the determination processing (S12).SELECTED DRAWING: Figure 1

A curved blade of a shot blasting machine. The present invention relates to the technical field of mechanical equipment. It includes a blade body. One side of the blade body is a working surface, and the side opposite to the working surface is a non-working surface. Both the working surface and the non-working surface are arc surface structures, and the center of the non-working surface of the non-working surface is located above the right side of the center of the working surface of the working surface. Upper and lower side eaves are respectively provided on the upper and lower sides of the working surface. An upper side sharp corner is provided at the tail of the upper side eaves, and a lower side sharp corner is provided at the tail of the lower side eaves. It is beneficial to air circulation, not easy to generate eddy currents and thus cause air pressure pulsation, and reduce noise.

The utility model discloses a device for shot peening and strengthening of complex surfaces with tiny apertures, comprising a shot peening gun, wherein one end of the shot peening gun is provided with a shot peening port, the other end of the shot peening gun is provided with an air inlet, the top of the shot peening gun is provided with a shot inlet, the inner cavity of the shot peening gun is provided with a bearing seat, one side of the bearing seat is connected to the output end of a motor, the other end of the bearing seat is clamped with a quick-change shot peening head, the limit cover is sleeved on the quick-change shot peening head, and the quick-change shot peening head is provided with a shot peening tube and a spray hole. The utility model discloses a device for shot peening and strengthening of complex surfaces with tiny apertures. By replacing different quick-change shot peening heads, shot peening tubes of different diameters and different soft and hard materials can be freely selected, which is convenient for various tiny apertures and complex surfaces in different apertures, and can be shot peened on all surfaces inside the hole. The shot peening strengthening ability is strong, and the quick-change shot peening head is firmly fixed, which improves the stability of use.

The present invention relates to a high-precision grinding device with a multi-stage electromagnetic separation device and a control method, comprising a machine body; a shot hopper; a shot blasting wheel; a shot blasting channel; a recovery channel; a dust removal fan; a collection device; a recovery box; a multi-stage electromagnetic separation device, which is arranged inside the machine body, below the recovery box and above the shot hopper. The multi-stage electromagnetic separation device cooperates with the recovery box, and a third opening and closing structure is arranged at the bottom of the multi-stage electromagnetic separation device; a connecting pipe, which is arranged inside the machine body, below the recovery box and above the multi-stage electromagnetic separation device. The upper end of the connecting pipe is communicated with a first through port, and the lower end of the connecting pipe is communicated with the inside of the multi-stage electromagnetic separation device. The present invention solves the technical problem of how to improve the grinding precision of the grinding device on the ground by setting the multi-stage electromagnetic separation device.

To provide a motor-type drill lance device for extinguishing vehicle fires, which automatically drills a fire extinguishing hole in the lower part of an electric vehicle battery using the power of a motor when a fire breaks out in the battery, and then sprays water to quickly extinguish the fire. [Solution] The motor-type drill lance device for vehicle fire extinguishing of the present invention includes a height-adjustable trolley (110) that moves and positions under the electric vehicle battery, and a drill module (120) that is installed under the upper plate of the height-adjustable trolley (110) and is in close contact with the electric vehicle battery. The drill module drills holes in the electric vehicle battery using the power of the motor while in close contact with the electric vehicle battery, and then sprays water into the electric vehicle battery through the drilled holes to extinguish a fire that has broken out in the electric vehicle battery.

The present invention belongs to the part surface treatment technology, and relates to a tape-free shot peening protection tooling for blades with holes and cavities and a manufacturing method. It includes a left metal shell, a right metal shell, a left rubber profiled protective cover, a right rubber profiled protective cover, a base, an air inlet plug, a butterfly nut, a threaded rod, and a connecting shaft; the blades, rubber profiled protective cover and metal shell of the present invention together form a complete protection structure, so that the entire no-spray zone is not impacted and infiltrated by the projectile jet, and realizes all the protection requirements of the tenon shot peening process of advanced engine blades with complex inner cavity structures. The thickness of the metal tooling is smaller than that of the traditional hard rubber base, which significantly reduces the structural interference with the blade tenon and tenon stress surface; the installation method of the tooling is simple, and the positioning points are reasonable and accurate. After the operator masters the use method, he can keep the clamping status of each blade consistent. Compared with the traditional method, this method can improve the consistency and stability of the protection effect of the no-spray zone.

The collecting device for screw polishing comprises a polishing machine, an outlet is formed in the side face of the polishing machine and provided with a cover plate, the cover plate is controlled to be opened and closed through a motor, mounting frames are symmetrically and fixedly connected to the lower right portion of the polishing machine, and rotating shafts are symmetrically and rotationally connected to the mounting frames. A gear motor is fixedly connected to the right side of each mounting frame, an output shaft of each gear motor is fixedly connected with a rotating shaft, a magnetic block is fixedly connected between the mounting frames and used for adsorbing screws, the conveying belt is wound between the two rotating shafts, and isolation plates are fixedly connected to the mounting frames. Screws are attracted to the surface of the conveying belt through the magnetic block, the conveying belt continuously rotates, so that the shot blasting is driven by the conveying belt to fall into the second collecting frame, automatic separation of the shot blasting and the screws is achieved, the conveying belt continuously drives the screws to move forwards, and when the screws move to the position of the separation plate, the screws fall into the first collecting frame due to the fact that the separation plate is non-magnetic. Therefore, collection of stuck materials is effectively avoided, and the working efficiency is improved.