阅读说明：本技术 一种用于电工手持电动机的失速保护装置 (Stall protection device for electrician hand-held motor ) 是由 韩苒苒 于 2020-11-19 设计创作，主要内容包括：本发明涉及电工设备的技术领域,且公开了一种用于电工手持电动机的失速保护装置,包括外壳,所述外壳的内部固定连接有支撑壳,支撑壳的内部固定连接有半圆壳,半圆壳的内部固定连接有线圈,半圆壳的内部设置有电流变体,半圆壳的内部活动连接有转动齿轮,转动齿轮的外部固定连接有导体,半圆壳的外部活动连接有推杆,通过本装置所有结构之间的相互作用下,可以使得在转轴失速时及时的对其进行减速,并且可以及时的通过控制中枢控制驱动电源不再驱动转轴转动,并且可以及时的通知操作者转轴已经失速的效果,更好地保护了操作者的生命财产安全,不会因为转轴失速操作者不知情而误伤到操作者。(The invention relates to the technical field of electrician equipment, and discloses a stall protection device for an electrician hand-held motor, which comprises a shell, a supporting shell is fixedly connected inside the shell, a semicircular shell is fixedly connected inside the supporting shell, a coil is fixedly connected inside the semicircular shell, an electrorheological body is arranged inside the semicircular shell, a rotating gear is movably connected inside the semicircular shell, a conductor is fixedly connected outside the rotating gear, a push rod is movably connected outside the semicircular shell, through the interaction among all the structures of the device, the rotating shaft can be decelerated in time when the rotating shaft stalls, and can be timely through the control pivot control drive power no longer drive the pivot and rotate to the effect of the stall of notice operator's pivot that can be timely, protected operator's life and property safety better, can not be because the pivot stall operator is unknown and the operator is hurt by mistake.)

1. A stall protection device for electrician hand-held motors, comprising a housing (1), characterized in that: the inner part of the shell (1) is fixedly connected with a supporting shell (2), the inner part of the supporting shell (2) is fixedly connected with a semicircular shell (3), the inner part of the semicircular shell (3) is fixedly connected with a coil (4), the inner part of the semicircular shell (3) is provided with an electrorheological body (5), the inner part of the semicircular shell (3) is movably connected with a rotating gear (6), the outer part of the rotating gear (6) is fixedly connected with a conductor (7), the outer part of the semicircular shell (3) is movably connected with a push rod (8), the inner part of the supporting shell (2) is movably connected with a limiting shell (9), the outer part of the limiting shell (9) is movably connected with a blocking component (10), the inner part of the limiting shell (9) is fixedly connected with a connecting shell (11), the inner part of the connecting shell (11) is fixedly connected with an electromagnet (12), the inner part of the limiting shell (9) is movably connected with a rotating, the inside swing joint of set casing (14) has stopper (15), and the outside swing joint of stopper (15) has buckle subassembly (16), the inside fixedly connected with box (17) of pivot (13), the inside swing joint of box (17) has movable block (18), and the inside swing joint of box (17) has trigger assembly (19).

2. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the surface of the supporting shell (2) is provided with at least eight semicircular holes, the semicircular shell (3) is fixedly connected to the inner side of the semicircular holes, all the semicircular holes are uniformly distributed on the surface of the supporting shell (2) at equal angles, the main materials of the current variants (5) are gypsum, lime, carbon powder and olive oil, the current variants (5) are solid under the power-on state of specified current amount, the current variants (5) are liquid under the non-power-on state, three quarters of the inner space of the semicircular shell (3) occupied by the current variants (5), two conductive columns are fixedly connected to the inner part of each semicircular shell (3), and the conductive columns are movably connected to the inner part of the current variants (5).

3. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the outside fixedly connected with two-sided ratch of push rod (8), rotating gear (6) have two, two rotating gear (6) symmetric distribution are in the both sides of push rod (8), two equal swing joint in the outside of two-sided ratch of rotating gear (6), the quantity of conductor (7) is no less than four on every rotating gear (6), the even distribution in the outside of rotating gear (6) of angle such as all conductors (7), the outside fixedly connected with battery of rotating gear (6).

4. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the spout has been seted up on the surface of spacing shell (9), it mainly comprises connecting block, activity spring, coupling spring, clutch blocks to block subassembly (10), every blocks has two connecting blocks in subassembly (10), the equal swing joint of two connecting blocks is in the inboard of spout, activity spring's one end swing joint is in the outside of spacing shell (9), activity spring's other end swing joint is in the outside of clutch blocks, coupling spring's both ends difference swing joint is in the outside of two connecting blocks, clutch blocks swing joint is in the outside of connecting block.

5. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the inside swing joint of set casing (14) is no less than two supporting spring, the outside of two equal swing joint of supporting spring at stopper (15), the outside fixedly connected with iron plate of stopper (15), the specification of iron plate and the specification phase-match of electro-magnet (12), the inside swing joint of stopper (15) is no less than four buckle subassembly (16), buckle subassembly (16) mainly are by the kicking block, two compression spring, concave shell is constituteed, the notch has been seted up on the surface of stopper (15), concave shell fixed connection is in the inside of notch, the inside of two equal swing joint of compression spring at concave shell, the outside of two equal swing joint of compression spring at the kicking block, the round hole has been seted up on the surface of connecting shell (11), the specification phase-match of round hole and the specification of kicking block, the inside fixedly connected with contact of round hole.

6. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the inside of box (17) is provided with the lug, the inside swing joint of box (17) has three expanding spring, the equal swing joint of all expanding spring is in the outside of movable block (18), trigger subassembly (19) are mainly by the positive plate, the negative plate, the dielectric plate, two long springs are constituteed, the specification of lug and the specification phase-match of dielectric plate, the positive plate, the equal fixed connection of negative plate is in the inside of box (17), the specification of positive plate and the specification phase-match and the position of negative plate are corresponding, the equal swing joint of two long springs is in the inside of box (17), the equal swing joint of two long springs is in the outside of dielectric plate, the outside of positive plate and negative plate, the specification phase-match of the specification of lug and dielectric plate.

7. A stall protection device for an electrician's hand-held motor as claimed in claim 1, wherein: the rotating shaft (13) is electrically connected with a driving power supply, the conductor (7) is electrically connected with a storage battery, the conductive column, the coil (4) and the electromagnet (12) are electrically connected with the storage battery, the driving power supply, the storage battery, the dielectric plate and the contact are electrically connected with a control center, the control center is electrically connected with a signal receiver, and the signal receiver is electrically connected with a remote control end through signals.

Technical Field

The invention relates to the technical field of electrician equipment, in particular to a stall protection device for an electrician handheld motor.

Background

An existing electrician operator needs to adapt to various working environments, but in some remote areas, a large motor cannot be used due to certain factors, at this time, a handheld motor needs to be used to meet basic requirements, the handheld motor can meet basic rotation requirements, however, if stalling occurs under external factors, at this time, if the motor is not adjusted timely, irreparable influence on external equipment is easily caused, and if the motor drives dangerous articles such as a cutter, the stalling rotation easily causes injury to the operator under the condition that the operator does not know.

Therefore, in response to these problems, a stall protection device for an electrician's hand-held motor is needed to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a stall protection device for an electrician handheld motor, which has the advantages that when a rotating shaft stalls, the rotating shaft is decelerated in time until the rotating shaft stops, and when the rotating shaft stalls, a driving power supply can be controlled by a control center in time to stop driving the rotating shaft, an operator can be informed of the stalling of the rotating shaft in time, and the problems that when the rotating shaft stalls, the rotating speed is too high, irreparable damage is easily caused to external equipment, and when the rotating shaft stalls, the rotating shaft is uncontrolled, and the operator is easily injured are solved.

(II) technical scheme

In order to realize the purposes that the rotating shaft can be timely decelerated until the rotating shaft stops when stalled and the driving power supply can be timely controlled by the control center to stop driving the rotating shaft and inform an operator that the rotating shaft stalls, the invention provides the following technical scheme: a stall protection device for an electrician hand-held motor comprises a shell, wherein a supporting shell is fixedly connected inside the shell, a semicircular shell is fixedly connected inside the supporting shell, a coil is fixedly connected inside the semicircular shell, an electrorheological body is arranged inside the semicircular shell, a rotating gear is movably connected inside the semicircular shell, a conductor is fixedly connected outside the rotating gear, a push rod is movably connected outside the semicircular shell, a limiting shell is movably connected inside the supporting shell, a blocking component is movably connected outside the limiting shell, a connecting shell is fixedly connected inside the limiting shell, an electromagnet is fixedly connected inside the connecting shell, a rotating shaft is movably connected inside the limiting shell, a fixed shell is fixedly connected inside the rotating shaft, a limiting block is movably connected inside the fixed shell, a buckle component is movably connected outside the limiting block, and a box body is fixedly connected inside the rotating shaft, the inside swing joint of box has the movable block, and the inside swing joint of box has the subassembly that triggers.

Preferably, the surface of the supporting shell is provided with at least eight semicircular holes, the semicircular shells are fixedly connected to the inner sides of the semicircular holes, all the semicircular holes are uniformly distributed on the surface of the supporting shell at equal angles, the main materials of the current variant are gypsum, lime, carbon powder and olive oil, the current variant is in a solid state under the power-on state with a specified current amount and in a liquid state under the non-power-on state, the current variant occupies three quarters of the inner space of the semicircular shell, two conductive columns are fixedly connected to the inner part of each semicircular shell, and the conductive columns are movably connected to the inner part of the current variant.

Preferably, the outside fixedly connected with two-sided ratch of push rod, rotating gear has two, and two rotating gear symmetric distribution are in the both sides of push rod, and two rotating gear equal swing joint are in the outside of two-sided ratch, and four are no less than to the quantity of conductor on every rotating gear, and the equal angular even distribution of all conductors is in rotating gear's outside, and rotating gear's outside fixedly connected with battery.

Preferably, the spout has been seted up on the surface of spacing shell, blocks that the subassembly mainly comprises connecting block, movable spring, coupling spring, clutch blocks, and every has two connecting blocks in blockking the subassembly, and two equal swing joint of connecting block are in the inboard of spout, and movable spring's one end swing joint is in the outside of spacing shell, and movable spring's other end swing joint is in the outside of clutch blocks, and coupling spring's both ends difference swing joint is in the outside of two connecting blocks, and clutch blocks swing joint is in the outside of connecting block.

Preferably, the inside swing joint of set casing is no less than two supporting spring, the equal swing joint of two supporting spring is in the outside of stopper, the outside fixedly connected with iron plate of stopper, the specification of iron plate and the specification phase-match of electro-magnet, the buckle subassembly of four is no less than to the inside swing joint of stopper, the buckle subassembly is mainly by the kicking block, two compression springs, concave shell is constituteed, the notch has been seted up on the surface of stopper, concave shell fixed connection is in the inside of notch, the equal swing joint of two compression springs is in the inside of concave shell, the equal swing joint of two compression springs is in the outside of kicking block, the round hole has been seted up on the surface of connecting shell, the specification of round hole and the specification phase-match of kicking block, the inside fixedly.

Preferably, the inside of box is provided with the lug, the inside swing joint of box has three expanding spring, the equal swing joint of all expanding spring is in the outside of movable block, trigger the subassembly and mainly be by the positive plate, the negative plate, dielectric plate, two long springs are constituteed, the specification of lug and dielectric plate's specification phase-match, the positive plate, the equal fixed connection of negative plate is in the inside of box, the specification of positive plate and the specification phase-match and the position of negative plate are corresponding, the equal swing joint of two long springs is in the inside of box, the equal swing joint of two long springs is in the outside of dielectric plate, dielectric plate swing joint is in the outside of positive plate and negative plate, the specification of lug and the specification phase-match of.

Preferably, the rotating shaft is electrically connected with a driving power supply, the conductor is electrically connected with a storage battery, the conductive column, the coil and the electromagnet are electrically connected with the storage battery, the driving power supply, the storage battery, the dielectric plate and the contact are electrically connected with a control center, the control center is electrically connected with a signal receiver, and the signal receiver is electrically connected with a remote control end through signals.

Preferably, the coil is internally provided with current, a magnetic field is generated inside the coil, the coil is provided with magnetic induction lines, the conductor moves inside the coil to cut the magnetic induction lines to generate induction current, and the electromagnet generates magnetism after being electrified so as to adsorb the iron block.

Preferably, the difference of the facing areas of the dielectric plate and the positive and negative plates in the trigger assembly causes the difference of the current, and the larger the facing area is, the larger the current is, and the smaller the current is otherwise.

(III) advantageous effects

Compared with the prior art, the invention provides a stall protection device for an electrician hand-held motor, which has the following beneficial effects:

1. this a stall protection device for electrician's handheld motor through half round shell, coil, current variant, rotating gear, conductor, under the interact between the push rod, can make the pivot can be timely after the stall make the pivot slow down gradually until stall through the push rod to reached timely when the pivot stall slow down it until stopping, prevented that the pivot rotational speed is too fast and then cause the destruction to externally connected's equipment when the stall.

2. This a stall protection device for electrician's handheld motor, through under the interact between all structures of this device, can be so that timely when the pivot stall slow down to it to can be timely no longer drive the pivot rotation through control pivot control drive power supply, and the effect of the stall of notification operator pivot that can be timely, the security of the lives and property of having protected the operator better, can not injure the operator by mistake because the pivot stall operator is unknown.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is a schematic structural diagram illustrating a connection relationship between some of the structures shown in FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 of the present invention at D;

FIG. 7 is a schematic structural diagram of the connection relationship among the box body, the movable block and the trigger assembly.

In the figure: 1. a housing; 2. a support housing; 3. a semi-circular shell; 4. a coil; 5. an electrorheological fluid; 6. a rotating gear; 7. a conductor; 8. a push rod; 9. a limiting shell; 10. a blocking component; 11. a connecting shell; 12. an electromagnet; 13. a rotating shaft; 14. a stationary case; 15. a limiting block; 16. a buckle assembly; 17. a box body; 18. a movable block; 19. and a triggering component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a stall protection device for an electrician hand-held motor comprises a housing 1, a supporting shell 2 is fixedly connected inside the housing 1, a semicircular shell 3 is fixedly connected inside the supporting shell 2, a coil 4 is fixedly connected inside the semicircular shell 3, a current transformer 5 is arranged inside the semicircular shell 3, at least eight semicircular holes are formed in the surface of the supporting shell 2, the semicircular shell 3 is fixedly connected inside the semicircular holes, all the semicircular holes are uniformly distributed on the surface of the supporting shell 2 at equal angles, the main materials of the current transformer 5 are gypsum and lime, carbon powder and olive oil, the electrorheological body 5 is solid under the electrified state of the specified current magnitude and liquid under the non-electrified state, the electrorheological body 5 occupies three fourths of the inner space of the semicircular shell 3, two conductive columns are fixedly connected inside each semicircular shell 3, and the conductive columns are movably connected inside the electrorheological body 5.

The inside swing joint of semicircle shell 3 has rotating gear 6, rotating gear 6's outside fixedly connected with conductor 7, the outside swing joint of semicircle shell 3 has push rod 8, the two-sided tooth bar of outside fixedly connected with of push rod 8, rotating gear 6 has two, two 6 symmetric distribution of rotating gear are in the both sides of push rod 8, the outside of two 6 equal swing joint of rotating gear at two-sided tooth bar, four are no less than to every 6 upper conductor 7 of rotating gear's quantity, the even distribution in rotating gear's 6 outside of angles such as all conductors 7, rotating gear's 6 outside fixedly connected with battery.

The inside swing joint of supporting shell 2 has spacing shell 9, the outside swing joint of spacing shell 9 blocks subassembly 10, the spout has been seted up on the surface of spacing shell 9, it is mainly by the connecting block to block subassembly 10, the floating spring, connecting spring, the clutch blocks constitute, every has two connecting blocks in blocking subassembly 10, the inboard of two equal swing joint of connecting block at the spout, the one end swing joint of floating spring is in the outside of spacing shell 9, the other end swing joint of floating spring is in the outside of clutch blocks, the both ends difference swing joint of connecting spring is in the outside of two connecting blocks, clutch blocks swing joint is in the outside of connecting block.

The inside fixedly connected with of spacing shell 9 connects the shell 11, the inside fixedly connected with electro-magnet 12 of connecting shell 11, there is electric current in coil 4, its inside produces the magnetic field, have the magnetic induction line, conductor 7 moves in its inside and cuts the magnetic induction line, produce induced current, electro-magnet 12 can produce magnetism after the circular telegram, and thus adsorb the iron plate, the inside swing joint of spacing shell 9 has pivot 13, through semicircular shell 3, coil 4, current variant 5, rotating gear 6, conductor 7, under the interact between the push rod 8, can make pivot 13 can be timely after the stall make pivot 13 slow down gradually through push rod 8 until stall, thereby reached timely when pivot 13 stall slow down it until stop, prevented that pivot 13 from rotating speed too fast and then cause the destruction to the equipment of external connection when the stall.

The inside of the rotating shaft 13 is fixedly connected with a fixed shell 14, the inside of the fixed shell 14 is movably connected with a limiting block 15, the outside of the limiting block 15 is movably connected with a buckle component 16, the inside of the fixed shell 14 is movably connected with at least two supporting springs, the two supporting springs are both movably connected with the outside of the limiting block 15, the outside of the limiting block 15 is fixedly connected with an iron block, the specification of the iron block is matched with the specification of the electromagnet 12, the inside of the limiting block 15 is movably connected with at least four buckle components 16, the buckle components 16 are mainly composed of an ejector block, two compression springs and a concave shell, the surface of the limiting block 15 is provided with a notch, the concave shell is fixedly connected with the inside of the notch, the two compression springs are both movably connected with the inside of the concave shell, the two compression springs are both movably connected with the outside of the ejector block, the surface, the inside fixedly connected with contact of round hole.

The inside of the rotating shaft 13 is fixedly connected with a box body 17, the inside of the box body 17 is movably connected with a movable block 18, the inside of the box body 17 is movably connected with a trigger assembly 19, the inside of the box body 17 is provided with a convex block, the inside of the box body 17 is movably connected with three telescopic springs, all the telescopic springs are movably connected with the outside of the movable block 18, the trigger assembly 19 mainly comprises a positive plate, a negative plate, a dielectric plate and two long springs, the specification of the convex block is matched with the specification of the dielectric plate, the positive plate and the negative plate are fixedly connected with the inside of the box body 17, the specification of the positive plate is matched with the specification of the negative plate and the positions of the positive plate are corresponding, the two long springs are movably connected with the inside of the box body 17, the two long springs are movably connected with the outside of the, the difference in the facing areas of the dielectric plate and the positive and negative plates in the trigger assembly 19 causes the difference in the current, and the larger the facing area is, the larger the current is, and the smaller the current is.

Pivot 13 is connected with drive power supply electricity, conductor 7 is connected with the battery electricity, lead the electric pole, coil 4, electro-magnet 12 all is connected with the battery electricity, drive power supply, the battery, the dielectric plate, the contact all is connected with control center electricity, control center is connected with signal receiver electricity, signal receiver and remote control end electricity signal connection, through under the interact between all structures of this device, can make timely when pivot 13 stall slow down it, and can be timely no longer drive pivot 13 rotation through control center control drive power supply, and the effect of the stall of notification operator pivot 13 that can be timely, operator's security of the lives and property has been protected better, can not injure the operator by mistake because the stall operator of pivot 13 stall is unknown.

The device starts to be started, an operator controls a driving power supply to drive a rotating shaft 13 to rotate through a control center, the control center controls an external power supply to supply power to a coil 4, a magnetic induction line exists in the coil 4, the rotating shaft 13 stalls and rotates under the action of external factors, at the moment, the rotating shaft 13 stalls and rotates to drive a fixed shell 14 to rotate, a supporting spring is driven to rotate by the fixed shell 14 to move, the supporting spring moves to drive a limiting block 15 to move, the centrifugal force borne by the limiting block 15 is larger than the elastic force of the supporting spring, the limiting block 15 is thrown out to be in contact with a connecting shell 11, at the moment, a top block moves to compress the compression spring, the limiting block 15 enters the connecting shell 11, at the moment, the top block corresponds to the position of a round hole, at the moment, the top block returns to the original position under the action of the compression spring, the top, adsorb the iron plate, at this moment pivot 13 rotates and drives spacing shell 9 and rotate, and spacing shell 9 rotates and drives and block subassembly 10 motion, blocks subassembly 10 motion and makes the clutch blocks and the contact of push rod 8, and the push rod 8 motion drives the running gear 6 under the effect of two-sided ratch and rotates, and running gear 6 rotates and drives conductor 7 motion, and conductor 7 motion cutting magnetic induction line produces induced current, and induced current flows in the battery.

The stall rotation of pivot 13 drives the motion of box 17, and the motion of box 17 drives the expanding spring motion, and the expanding spring motion drives the motion of movable block 18, and the centrifugal force that this moment movable block 18 received is greater than expanding spring' S elasticity, and movable block 18 is thrown away and dielectric plate contact to along with dielectric plate compression long spring, make dielectric plate and positive plate, negative plate just to the area S increase, electric capacity C increase, the expression is as follows:

C＝εS/4πkd

at the moment, the current changes, at the moment, the circuit is conducted, the control center control signal receiver sends a signal to the remote control end to remind an operator that the rotating shaft 13 stalls, meanwhile, the control center controls the storage battery to supply power to the current variant 5, the current flows into the current variant 5 through the conductive columns, at the moment, the liquid state of the current variant 5 is changed into the solid state, at the moment, the rotating gear 6 cannot rotate, therefore, the push rod 8 cannot move, and the rotating shaft 13 is gradually decelerated until the rotating shaft stops under the action of the friction block and the push rod 8.

When the rotating shaft 13 normally rotates, the centrifugal force received by the limiting block 15 is smaller than the elastic force of the supporting spring, the limiting block 15 cannot be thrown out, and at this time, the limiting shell 9 cannot rotate, so that the rotating shaft 13 cannot be limited, the centrifugal force received by the movable block 18 is smaller than the centrifugal force of the telescopic spring, the movable block 18 cannot be thrown out, and at this time, the rotating shaft 13 normally rotates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.