UA95588C2 - Induction-dynamics electric motor of cyclic type - Google Patents

Abstract

The invention relates to electromechanics and can be used in stroke drives of machines and mechanisms meant for creation cyclic shock pulses, for example, deformation of technological objects. Object of the invention is efficiency improvement of cyclic-type induction dynamic electric motor due to absence of external devices providing circulation of liquid refrigerant coolant, improvement winding cooling and decrement of armature strokes against winding during reverse movement. If winding is connected to a pulse source excided magnetic field generates currents in electric conductive armature (5). As a result, electrodynamic repulsive force occurs, which move the armature (5) together with stroke elements (7) towards an objective point. Thereat, with help of disc carrier (14) guide pin (12) is moved, so that a striking pin (13) makes deformation of object (10) . Movement of a flat piston (24) is performed inside of a cooling chamber (22) with liquid coolant (23). One-way valves (26) arranged on the flat piston let pass liquid coolant (23). A cylindrical spring (16) and hydro-insulating element (17) enclosing the said spring, which prevents liquid coolant from escaping to environment, relax. Upon finishing forward motion under action of the spring the guide piston (12) performs reverse motion away from the object towards the winding (1). One-way valves (26) become closed, do not let pass liquid refrigerant coolant (23), so the flat piston (24) pushes liquid refrigerant coolant (23) in the cooling chamber (22). Liquid refrigerant coolant (23) is squeezed out of the cooling chamber (22), follows to end of a multilayer tube (18), passes through an internal channel and through input end passes to the cooling chamber (22). The increased temperature of the liquid refrigerant coolant (23) is rejected from cooling chamber (22) to environment via radiators (27) installed on the external side thereof. As the piston (24) performs reverse movement it meets support force caused mainly by hydraulic strength of liquid refrigerant coolant movement through the inner channel (19) of multilayer tube (18), smooth movement of guide piston 12), stroke element (7) and the armature (5) towards inductor (1) winding occurs.

Description

The invention belongs to electromechanics and the power of the inductor, as a result of which the electricity to be used in impact drives of machines and the relative interaction between them, and therefore the force of mechanisms that are designed to create a cyclic effect on the surface of the equipment being cleaned, increases. them shock pulses, for example, during deformation However, the efficiency of the described elect- objects in the technological process. romechanical device is not high enough.

Known converter of electrical impulses This is due to the fact that the coefficient of the magnetic coupling is mechanical, which contains a flat plate placed in the housing between the inductor winding and the armature, is low, and the inductor and terminals for connection to the source are therefore not strong enough force action on the armature from electric pulses, and is also located on the side of the inductor winding. In addition, in this part of the working surface of the inductor, the anchors (the problematic formation of a significant amplifying element) are made of electrically conductive material, there is no increase in electrodynamic force, which is made of a component of flat elements and rameters of the pulse current source. Since it is enclosed in a flexible shell |1|. At the same time, the flat winding of the inductor is covered by a dielectric case - the armature elements can be made in the form of soms, then the efficiency of its cooling is low. concentric rings, parallel or radial Due to the increased temperature of the winding, the fused strips. its resistance melts, the state of electrical insulation deteriorates,

However, this design has a low efficiency, which leads to a decrease in the magnitude of the impact force due to the execution of the armature not by a continuous, but by a single pulse or the frequency of following current components with non-conductive gaps between the pulses, and therefore the productivity of the installation. flat conductive elements. Vna- The closest to the invention that is claimed is the result of this, eddy currents induced in the armature are technically induction-dynamic, have a reduced amplitude, and therefore an electro- technological device that contains an inductor, the magnetic force between the inductor and the armature is deficient in the form of a disk winding with high excitation. In addition, the component design of the body-electrical housing, which is connected to the low reliability of the armature, and therefore the entire source of impulse current, and is located between the converter. inductor and the surface of the cleaning equipment

A known shock electromechanical device, that is, an armature made of electrically conductive material, which contains a flat excitation winding, placed in the form of a flat disk with an inner casing in a dielectric housing, on which adjustable stops are installed by a seagull located inside the winding, providing a gap between the inductor so that the outer side surface is surrounded by the casing and the wall of the object of action (2 |. The striker of this seagull faces the part of the inner side of the device is made of electrically conductive material - the surface of the winding (|4). In this device, the winding is in the form of a throwing washer, installed above the excitation of the inductor is made in the form of two ele- winding of the excitation and connected to the inverse-ctrically connected in series according to the magnetic locking mechanism. Attached to the striker is a field of sections separated by an axial gap from the pad with ribs, and the pad shape is radial channels for cooling and the inductor are made axial and its stiffness. central and orderly arranged external ones

However, the efficiency of the known electromechanical cooling channels connected by radial devices is not high enough because of the channels. Inside the central axial striker, which is made in the form of a washer, and the plane of the channel, the coaxially located directional winding of the excitation has a relatively small tension, connecting the armature with the reverse mechanism of mutual inductance. As a result, in Radial channels for cooling are formed in the impactor, a low eddy current is induced, and with the help of the supporting ones, they are arranged in an orderly manner, thus developing a small electrodynamic force between the excitation winding and the impactor. th section, located in the axial gap

A known magnetic-pulse device for destruction between sections of the excitation winding. cleaning of the vaults and cleaning of the technological equipment. In the well-known induction-dynamic device, which contains an inductor that solves various technological problems with a shock torus made in the form of a flat winding method, an increase in efficiency is achieved for excitation with a dielectric case, which is connected account of the following factors. is connected to the pulse current source, and the presence of an axial gap between the sections is lined between the inductor and the surface of the equipment, the coils of the excitation of the inductor allows the use of a cleanable, anchor made of material from to be used as radial channels for cooling electrical conductivity and coaxial installation. Connection of radial channels from flax with the winding of the inductor |ZI|. The anchor of this installation axially forms a path for the circulation of cold- is made in the form of a flat disk, the end surface of the agent inside the induction-dynamic support is adjacent to the end surface of the system winding, contributing to the cooling of the element that is the inductor, with an internal custom, located heats up more - excitation windings. Through it inside the inductor winding so that the external effective cooling can increase the current in the side surface of the coil is in contact with part of the inductor winding and the frequency of current tracking of the inner side surface of the excitation winding. pulses, which provides an increase in amplitude

In this device, due to the presence of intra-power pulses and the performance of the shock electric shock absorber in the disk armature, a three-mechanical device is provided. improved magnetic connection between the armature and the winding

The central axial channel, in addition to passing The task is solved due to the turning of the refrigerant, performs the function of a guide, which in the induction-dynamic electric motor of the element for the armature by means of fixing the connecting cyclic action, which contains a guide rod located coaxially with it with the help of a stationary inductor made in the form of disc-shaped spacers or bearings. winding connected to the pulse source

The prototype device has the following disadvantages. th current, with a dielectric case that covers

Circulation of the refrigerant is carried out not on the outer side and flat side of the winding, by an induction-dynamic device, but under the action of a special external device located adjacent to the opposite plane, for example, on the side of the inductor winding, a movable armature, which complicates the design, increases the var - made of electrically conductive material in the form of a plane and reduces the reliability of the device as a whole. who disk, percussion element in the form of a disk, one

The execution of the inductor winding in the form of two, the flat side of which is adjacent to adjacent surfaces separated by an axial gap, lowers the armature, and the opposite side with a profile, its magnetic connection with the armature is directed towards the object of action due to the distance from the surface, and covered - one of the sections from the anchor. As a result, the magnitude of the force pulse generated by the armature and the impact element of the guide rod through the central holes of the inductor winding is reduced. which connects the impact element with the return mechanism

Radial channels for cooling, formed by zmo, connected to each other channels for cooling, with the help of supporting and radially directed are located on the flat side of the winding and in the dielectric rods of rectangular cross-section located in the triple housing, in accordance with the invention, that the axial gap between sections of the excitation winding, it is proposed, between the housing and the inductor winding, lead to the fact that the area of the transverse disc wound from the tube with the inner cross-section of such a channel is not constant, but increases by a channel for cooling, the ends of which are connected from the center in radial direction. This leads to a cooling chamber located axially to different speeds of refrigerant movement along the length of the inductor winding and fixed in the housing, channels, and therefore to different cooling efficiency inside the chamber with liquid refrigerant delimitation of the winding sections (walls perpendicular to guide rod and external sections). connected to its end is a flat piston on which

The flow of liquid refrigerant supplied to the inlet is divided into a number of parallel channels by one-way valves arranged in an orderly manner. As the liquid refrigerant passes freely, only a trace of it is necessary, a special collec- during the movement of the piston towards the object of action, on the outside for the arrival of the heated refrigerant, which is installed on the sides of the cooling chamber complicates the design of the device. In addition, with cooling radiators, the reverse mechanism of partial or complete clogging of one of the axially compressible channels or different sizes of the system is cooled, the cylindrical spring and elastic hydraulic wear does not diagnose this, since the liquid will be a lation element , covering Her, which are connected to pass through the rest of the channels. However, at the same time, the guide rod and the covering stone will cause overheating of the winding sections near the ignition, the inductor winding and the disk of the perforated channel or channel with a smaller cross-section, wound from the tube, are placed on the outer surface of the hollow cylinder cross-section, which can lead to the deterioration of the cylinder sleeve. with disc end guides - even to thermal damage of the impact primer, covering the guide rod. line up In addition, the body is made in the shape of a square,

The presence of external channels for cooling in the corners of which mounting holes are made. in the dielectric case increases its radial In addition, the elastic waterproofing element dimensions in relation to the radial dimensions is made in the form of a corrugated bellows. windings, which leads to an increase in dimensions. In addition, the tube is made of a conductive impact device. th material.

In the prototype device, there is no damping system. In addition, the tube is made of ferromagnetic firing of the armature shocks on the winding after direct material. In addition, the tube is made with a rectangular reciprocating mechanism, which provides a reciprocating cross-section. anchor stroke In addition, the tube is made with a square, narrow acoustic pulse, which has a bad effect on the cross-section. surrounding personnel, and there is a mechanical In addition to how the liquid refrigerant acts tra- shock loading of the winding, non-former oil can cause. to its damage, for example, to the destruction of the cry- In the proposed induction-dynamic elec- epoxy resin, with which the winding is impregnated, and ktrodmotor of cyclic action, there are no external devices, to short-circuiting of adjacent turns. which ensure the circulation of liquid refrigerant

The task of the invention is to increase the efficiency of the A liquid refrigerant, for example, a transformer-induction-dynamic electric motor, cyclic oil, which is characterized by both electrical insulating and heat-conducting properties due to the absence of external devices, circulates only in the cooling chamber and in the internal channel of the improvement of cooling of the winding and the multi-turn tube damped to it, wound around the impact of the armature against the winding during its reverse disk shape, under the action of a flat piston during its return. during the movement of the armature to the winding under the action of a cylindrical spring.

Placed on a flat piston, one-sided winding technological frame. The presence of liquid refrigerant in the valves freely passes through the hollow cylindrical sleeve of the two end only during the movement of the piston towards the object of action, i.e. guide discs that cover the guide during the direct movement of the armature, without opposing the force of the electric rod, ensures axial movement and relative repulsion of the armature from the winding, fixing the rod with the shock element and the inductor armature. relative to the inductor winding.

During the return stroke of the anchor, one-sided kla- Execution of the case in the form of a square, in the corners of the pans are closed and do not let liquid cold- which has mounting holes, allows easy doagent. At the same time, the piston begins to move - it is manufactured and fixed by an electric motor, which carries the liquid refrigerant inside the cooling bed of the massive base. of the camera, pushing it through all the turns of the tubes - Execution of a multi-turn tube in the form of a disk. The resulting force of the hydraulic coil made of electrically conductive material, for example, copper, ru, ensures the smooth movement of the armature, preventing it from suddenly impacting the inductor winding and reducing the external electromagnetic fields. Due to the inductor winding created by improving the viscosity of the transformer oil, the magnitude of the impact will be small, the tromagnetic compatibility with other devices and the winding will be small. service personnel.

Thus, in addition to effective cooling, the execution of a multi-layer tube in the form of a dis- caused by the circulation of a liquid refrigerant made of ferromagnetic material allows damping (softening of external magnetic fields to strengthen the field) of the impact of the armature on the inductor winding in the case of the active zone - in the gap between the inductor winding and the armature armature under the action of the return spring. anchor, and, therefore, to increase the power impulses of the electric

Reduction of the size of the cyclic shock front engine. stretching reduces the level of acoustic noise, which is favorable for the surrounding personnel, and the sub-section without an axial gap increases the reliability of the magnetic winding due to the reduction of its connections with the armature, as a result of which the mechanical impact load increases. the efficiency of the electric motor.

The presence between the case and the inductor winding. The absence of external channels for the cooling disk from a multi-turn tube wound in one row in the dielectric case reduces its radial internal channel through which the liquid circulates. winding, which leads to a decrease in the dimensions of all sections of the winding in the radial section behind the electric motor. account of the serial connection of the turns of the tube between In fig. 1 shows a different cross-section. induction-dynamic electric motor in the output

The location of the cooling chamber is axiastan; line with the inductor winding and fixing it in the diele- in fig. 2 - a cross-section of the induction-critic housing makes the construction of an electro-dynamic electric motor at the moment of armature movement; guna is reliable and compact. The presence of in fig. C - cross-section of the induction-external side of the cooling chamber of the radian-dynamic electric motor at the moment of maxima allows to constantly remove heat from the heated displacement of the armature relative to the inductor winding; that liquid refrigerant into the external environment, in fig. 4 - enlarged fragment B in fig. 1; maintaining its temperature at the required in fig. 5 - enlarged fragment B in fig. WITH; levels If necessary, the radiators can be blown - fig. 6 - view A in fig. 1. driven by the external flow of air from the fan. The induction-dynamic electric motor is cyclically installed on the non-working side of the electric motor and consists of a fixed inductor, executed. nano in the form of a winding 1 with a dielectric body

Winding in one row of the multi-turn tube in som 2, which covers the outer side Z and the flat 4 form of the disk, makes such a design technological side of the winding. Winding 1, wound with turns and reliable. It is especially easy to make a common conductor, the disc is made in the shape of a round when using a tube with a rectangular disc, and the body 2 is made in the shape of a square and or a square outer section. made of dielectric material, e.g.

Execution of the reverse mechanism in the form of glass-textolite cyclades, which has high electrical insulating properties of the cylindrical spring and the spring covering it. of an insulating element, which axially compress- Coaxially with the winding 1 is installed moving and connected to the guiding rod and the ground anchor 5, made of electrically conductive material- cooling chamber, makes such a structure, for example copper, in the form of a flat disk. Cheap and reliable anchorage. The elastic waterproofing element located adjacent to the opposite flat element prevents the penetration of liquid coolant through the side 6 of the winding 1. doagent from the cooling chamber into the external shock medium installed coaxially with the anchor 5, without hindering the working course of the disk-shaped element 7, one flat side 8 of the anchor. The design of the waterproofing element, which adheres to the adjacent surface of the anchor, and in the form of a corrugated bellows, makes the construction of the rear side 9 with a profiled surface reliable and technological. directed towards the object of action 10. Impact element 7

The arrangement of the inductor winding and the disc from the tube is rigidly connected to the armature 5, for example, on the outer surface of the hollow cylindrical sleeve they are attached by elements 11. The sleeve simplifies the technology of multi-turn winding. the sleeve performs the role of an element 7 installed guide rod

pipe 12, the end of which is made in the form of a striker 13 of a flat piston 24, one-way valves 26 with a thrust disc 14. Liquid refrigerant 23 is passed through with the help of a thrust die, practically ka 14 striker 13 is rigidly connected to the shock element, moving the liquid refrigerant 23 in the chamber 7, for example, with the help of fasteners 22. Thus, when the valves 26 are open, the flat elements 15. Thus, one end of the guide piston has a small hydraulic resistance and the operating rod 12 with the help of a thrust disk 14 on anchor 5 electrodynamic force of repulsion is connected to the shock element 7, and the second end is not significantly reduced. the rod 12 is connected to the return mechanism. When the guide rod 12 is moved to the side made in the form of a cylindrical spring 16 and the object 10, the length of the elastic waterproofing element 17, covering the return mechanism, increases, i.e. the cylindrical spring 16 and the made in the form of a corrugated strong spring 16 and an elastic hydroisophone covering it, which are compressed axially. lation element 17, which prevents the exit

Between the body 2 and the flat side 4 of the liquid refrigerant winding into the surrounding space. 1 of the inductor, there is a disc wound into one After the direct working stroke and de-line from the tube 18 with an internal channel for cooling the object 10, namely, punching the hole 19. The inlet 20 and outlet 21 ends of the tube 18 31, under the action of the spring 16, the guide rod 12 hermetically connected to the cooling chamber makes a return stroke from the object 10 to the winding 22, located axially with the winding 1 of the inductor 1. At the same time, they are located on a flat piston 24 and fixed in the housing 2. When thus, the outlet one-way valves 26 are closed and liquid refrigerant 23 will not pass through.

Inside the chamber 22 with a liquid refrigerant, the shaft 24 pushes the liquid refrigerant 23 in the chamber 23, for example, transformer oil, located 22. Under the action of the moving piston, the refrigerant is squeezed out of the chamber 22 by a flat piston 24, perpendicular to 23, enters the output guide rod 12 and from connected to its end is the end 21 of a tube 18, 25 wound in the shape of a disc. The flat piston 24 is arranged, passes along its internal channel 19 and through the deposit, evenly along the perimeter, is located single-inlet end 20 enters the chamber 22. Circumferential valves 26, which freely pass the liquid refrigerant 23 flowing in this way in the tube 18 only during the movement of the piston 24 in the direction of the gent 23, remove the heat energy released by the object of action 10. On the outside of the cooler in the winding 1, ensuring the stabilization of its tempered chamber, the cooling radiators of the tour are installed at an acceptable level. Excess heat 27. of the liquid refrigerant 23 is removed from the cooling

The spring 16 and the waterproofing element 17 of the collapsing chamber 22 into the surrounding space through the mouth mechanism are connected to the guide rod, cooling 12 and radiators 27 are installed on its outer side with the cooling chamber 22.

Winding 1 of the inductor and the inner layer of the tube Since the piston 24 during the return stroke is placed on the outer surface of the hollow 18 is subjected to the action of the resistance force caused, mainly, by the cylindrical sleeve 28 with end guides by the hydraulic resistance of the liquid refrigerant in the internal discs 29, which cover the guide the rod to the shaft channel 19 of the multi-turn tube 18, then 11. Fasteners are made in the corners of the square housing 2 - there is a smooth movement of the guide rod 12, holes 30. of the shock element 7 and the anchor 5 in the direction of the induction winding

The tube 18 can be made of an electroprotor 1. In this way, shock-free conduction of a conductive material, such as copper, or ferro-actuation of an armature 5 with a winding 1 without significant acumagnetic material, such as steel, is carried out. External noise, which is favorable both for it, the cross-section of the tube can be rectangular or surrounding personnel, and for reliability, wound. Ky.

The object of action 10, for example, is discretely moved after the return of the anchor 5 with a shock element plate, has holes 31, made by the striker 13 volume 7 in the initial state, a discrete pe- during the previous work cycle. placement of object 11 (down in Fig. 1), pierced

Induction-dynamic electric motor cyclically, the opening 31 is displaced, and oppositely, the firing pin 13 of the located action works as follows. a new undeformed section of object 11 is created.

When winding 1 is connected to the pulse source, after that the operating cycle is repeated, and the pulse current, for example, a capacitive accumulator, the frequency of following the operating pulses can be quite high (not shown in the drawing), because the temperature of the winding, the magnetic field of the winding induces currents in of the electro-inductor will not rise above the permissible conductor armature 5. As a result, there is a minimum level between them. produces an electrodynamic force of repulsion, which in the proposed invention during the manufacturing process moves the anchor 5 together with the shock element 7 into the dielectric body following the action object 10. At the same time, the multi-turn tube and the winding of the disc 14 there is a movement of the guide, which is then monopolized, for example, by an epoxy rod 12 and a striker 13, the object is deformed by resin. This construction is technological and characterized by high reliability.

When moving the guide rod 12 towards the source of information: the object 10 that deforms, an analog 1. Patent of the Russian Federation Me 2018377, IPC VO6В1/04 occurs. The mechanical movement of the flat piston 24 inside the generator of electrical impulses in the mechanical cooling chamber 22 with liquid refrigerant. - Publ. 30.08.94, Bul. Mo 16. volume 23. At the same time, they are arranged in an orderly manner on

2. A.b. USSR Mo 796132, IPC B65065/40. Installation of equipment from sticky materials // Zlektroystvo dlya razgruzki emkosti. -Published 15.01.81, mechanical engineering. - 2002. - Mo 11. - b. 24-28.

Bul. Mo 2. 4. Patent of Ukraine 62623A, IPC 8B650565/49, 3. Tyutkin V.A. Magnetic pulse method VO6V1/04. Induction-dynamic technological device for destruction of vaults and cleaning. - Application No. 2003043468; Announced on 04/17/03; publ. 15.12.03, Bull. Me 12 (prototype). х т У - Е и У и В , и 5 r; vd I -x V i i - Y PI: Kk But NO: she Za i N Iz i i ve i i ; Ann; ra y "M B KE ev v U KE v SHE ZHE, ev: VYN E oral OB I and IV same SHVOM ZBK V dor I I TO pev B Well and I would V h en NN v anu voda vini SA yo. about NV ten en NV seiz y I MOV V

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Ministry of Education and Science of Ukraine

State Department of Intellectual Property, str. Urytskogo, 45, Kyiv, MSP, 03680, Ukraine

SE "Ukrainian Institute of Industrial Property", str. Glazunova, 1, Kyiv - 42, 01601